refactor: Use view binding to replace Kotlin synthetics (#824)

* refactor: Migrate home screen to data binding

* Add view binding

* Migrate ConversationView to view binding

* Migrate ConversationActivityV2 to view binding

* View model refactor

* Move more functionality to the view model

* Add ui state events flow

* Update conversation item bindings

* Update profile picture view bindings

* Replace Kotlin synthetics with view bindings

* Fix qr code fragment binding and optimize imports

* View binding refactors

* Make TextSecurePreferences an interface and add an implementation to improve testability

* Add conversation repository

* Migrate remaining TextSecurePreferences functions into the interface

* Add unit conversation unit tests

* Add unit test coverage for remaining view model functions

app/build.gradle

@@ -4,18 +4,17 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath 'com.android.tools.build:gradle:4.2.2'
         classpath files('libs/gradle-witness.jar')
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlinVersion"
-        classpath "com.google.gms:google-services:4.3.3"
+        classpath "com.google.gms:google-services:4.3.10"
-        classpath 'com.google.dagger:hilt-android-gradle-plugin:2.38.1'
+        classpath "com.google.dagger:hilt-android-gradle-plugin:$daggerVersion"
     }
 }
 
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'witness'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'com.google.gms.google-services'
@@ -32,16 +31,16 @@ dependencies {
     implementation 'com.google.android.material:material:1.2.1'
     implementation 'androidx.legacy:legacy-support-v13:1.0.0'
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'androidx.preference:preference:1.1.1'
+    implementation 'androidx.preference:preference-ktx:1.1.1'
     implementation 'androidx.legacy:legacy-preference-v14:1.0.0'
     implementation 'androidx.gridlayout:gridlayout:1.0.0'
-    implementation 'androidx.exifinterface:exifinterface:1.2.0'
+    implementation 'androidx.exifinterface:exifinterface:1.3.3'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
-    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycleVersion"
-    implementation 'androidx.lifecycle:lifecycle-common-java8:2.3.1'
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycleVersion"
-    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycleVersion"
-    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycleVersion"
-    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
+    implementation "androidx.lifecycle:lifecycle-process:$lifecycleVersion"
     implementation 'androidx.activity:activity-ktx:1.2.2'
     implementation 'androidx.fragment:fragment-ktx:1.3.2'
     implementation "androidx.core:core-ktx:1.3.2"
@@ -62,9 +61,9 @@ dependencies {
     implementation 'org.apache.httpcomponents:httpclient-android:4.3.5'
     implementation 'commons-net:commons-net:3.7.2'
     implementation 'com.github.chrisbanes:PhotoView:2.1.3'
-    implementation 'com.github.bumptech.glide:glide:4.11.0'
+    implementation "com.github.bumptech.glide:glide:$glideVersion"
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'
+    annotationProcessor "com.github.bumptech.glide:compiler:$glideVersion"
-    kapt 'com.github.bumptech.glide:compiler:4.11.0'
+    kapt "com.github.bumptech.glide:compiler:$glideVersion"
     implementation 'com.makeramen:roundedimageview:2.1.0'
     implementation 'com.pnikosis:materialish-progress:1.5'
     implementation 'org.greenrobot:eventbus:3.0.0'
@@ -72,8 +71,8 @@ dependencies {
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.8.0'
     implementation 'com.melnykov:floatingactionbutton:1.3.0'
     implementation 'com.google.zxing:android-integration:3.1.0'
-    implementation "com.google.dagger:hilt-android:2.38.1"
+    implementation "com.google.dagger:hilt-android:$daggerVersion"
-    kapt "com.google.dagger:hilt-compiler:2.38.1"
+    kapt "com.google.dagger:hilt-compiler:$daggerVersion"
     implementation 'mobi.upod:time-duration-picker:1.1.3'
     implementation 'com.google.zxing:core:3.2.1'
     implementation ('com.davemorrissey.labs:subsampling-scale-image-view:3.6.0') {
@@ -103,7 +102,7 @@ dependencies {
     }
     implementation project(":libsignal")
     implementation project(":libsession")
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.0.1"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlinxJsonVersion"
     implementation "org.whispersystems:curve25519-java:$curve25519Version"
     implementation 'com.goterl:lazysodium-android:5.0.2@aar'
     implementation "net.java.dev.jna:jna:5.8.0@aar"
@@ -111,7 +110,7 @@ dependencies {
     implementation "com.fasterxml.jackson.core:jackson-databind:$jacksonDatabindVersion"
     implementation "com.squareup.okhttp3:okhttp:$okhttpVersion"
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.2"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutinesVersion"
     implementation "nl.komponents.kovenant:kovenant:$kovenantVersion"
     implementation "nl.komponents.kovenant:kovenant-android:$kovenantVersion"
     implementation "com.github.lelloman:android-identicons:v11"
@@ -122,12 +121,15 @@ dependencies {
     implementation "com.opencsv:opencsv:4.6"
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.assertj:assertj-core:3.11.1'
-    testImplementation 'org.mockito:mockito-core:1.10.8'
+    testImplementation "org.mockito:mockito-inline:4.0.0"
+    testImplementation "org.mockito.kotlin:mockito-kotlin:$mockitoKotlinVersion"
     testImplementation 'org.powermock:powermock-api-mockito:1.6.1'
     testImplementation 'org.powermock:powermock-module-junit4:1.6.1'
     testImplementation 'org.powermock:powermock-module-junit4-rule:1.6.1'
     testImplementation 'org.powermock:powermock-classloading-xstream:1.6.1'
     testImplementation 'androidx.test:core:1.3.0'
+    testImplementation "androidx.arch.core:core-testing:2.1.0"
+    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutinesVersion"
     // Core library
     androidTestImplementation 'androidx.test:core:1.4.0'
 
@@ -231,6 +233,12 @@ android {
         }
     }
 
+    sourceSets {
+        String sharedTestDir = 'src/sharedTest/java'
+        test.java.srcDirs += sharedTestDir
+        androidTest.java.srcDirs += sharedTestDir
+    }
+
     buildTypes {
         release {
             minifyEnabled false
@@ -279,6 +287,7 @@ android {
 
     buildFeatures {
         dataBinding true
+        viewBinding true
     }
 }
 

app/src/main/java/org/thoughtcrime/securesms/components/LabeledSeparatorView.kt

@@ -7,13 +7,14 @@ import android.graphics.Path
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.RelativeLayout
-import kotlinx.android.synthetic.main.view_separator.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewSeparatorBinding
 import org.thoughtcrime.securesms.util.toPx
 import org.session.libsession.utilities.ThemeUtil
 
 class LabeledSeparatorView : RelativeLayout {
 
+    private lateinit var binding: ViewSeparatorBinding
     private val path = Path()
 
     private val paint: Paint by lazy {
@@ -43,10 +44,9 @@ class LabeledSeparatorView : RelativeLayout {
     }
 
     private fun setUpViewHierarchy() {
-        val inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+        binding = ViewSeparatorBinding.inflate(LayoutInflater.from(context))
-        val contentView = inflater.inflate(R.layout.view_separator, null)
         val layoutParams = LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)
-        addView(contentView, layoutParams)
+        addView(binding.root, layoutParams)
         setWillNotDraw(false)
     }
     // endregion
@@ -59,9 +59,9 @@ class LabeledSeparatorView : RelativeLayout {
         val hMargin = toPx(16, resources).toFloat()
         path.reset()
         path.moveTo(0.0f, h / 2)
-        path.lineTo(titleTextView.left - hMargin, h / 2)
+        path.lineTo(binding.titleTextView.left - hMargin, h / 2)
-        path.addRoundRect(titleTextView.left - hMargin, toPx(1, resources).toFloat(), titleTextView.right + hMargin, h - toPx(1, resources).toFloat(), h / 2, h / 2, Path.Direction.CCW)
+        path.addRoundRect(binding.titleTextView.left - hMargin, toPx(1, resources).toFloat(), binding.titleTextView.right + hMargin, h - toPx(1, resources).toFloat(), h / 2, h / 2, Path.Direction.CCW)
-        path.moveTo(titleTextView.right + hMargin, h / 2)
+        path.moveTo(binding.titleTextView.right + hMargin, h / 2)
         path.lineTo(w, h / 2)
         path.close()
         c.drawPath(path, paint)

app/src/main/java/org/thoughtcrime/securesms/components/ProfilePictureView.kt

@@ -8,8 +8,8 @@ import android.widget.ImageView
 import android.widget.RelativeLayout
 import androidx.annotation.DimenRes
 import com.bumptech.glide.load.engine.DiskCacheStrategy
-import kotlinx.android.synthetic.main.view_profile_picture.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewProfilePictureBinding
 import org.session.libsession.avatars.ProfileContactPhoto
 import org.session.libsession.messaging.contacts.Contact
 import org.session.libsession.utilities.Address
@@ -19,6 +19,7 @@ import org.thoughtcrime.securesms.mms.GlideRequests
 import org.thoughtcrime.securesms.util.AvatarPlaceholderGenerator
 
 class ProfilePictureView : RelativeLayout {
+    private lateinit var binding: ViewProfilePictureBinding
     lateinit var glide: GlideRequests
     var publicKey: String? = null
     var displayName: String? = null
@@ -35,14 +36,12 @@ class ProfilePictureView : RelativeLayout {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes) { initialize() }
 
     private fun initialize() {
-        val inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+        binding = ViewProfilePictureBinding.inflate(LayoutInflater.from(context), this, true)
-        val contentView = inflater.inflate(R.layout.view_profile_picture, null)
-        addView(contentView)
     }
     // endregion
 
     // region Updating
-    fun update(recipient: Recipient, threadID: Long) {
+    fun update(recipient: Recipient) {
         fun getUserDisplayName(publicKey: String): String {
             val contact = DatabaseComponent.get(context).sessionContactDatabase().getContactWithSessionID(publicKey)
             return contact?.displayName(Contact.ContactContext.REGULAR) ?: publicKey
@@ -75,27 +74,27 @@ class ProfilePictureView : RelativeLayout {
         val publicKey = publicKey ?: return
         val additionalPublicKey = additionalPublicKey
         if (additionalPublicKey != null) {
-            setProfilePictureIfNeeded(doubleModeImageView1, publicKey, displayName, R.dimen.small_profile_picture_size)
+            setProfilePictureIfNeeded(binding.doubleModeImageView1, publicKey, displayName, R.dimen.small_profile_picture_size)
-            setProfilePictureIfNeeded(doubleModeImageView2, additionalPublicKey, additionalDisplayName, R.dimen.small_profile_picture_size)
+            setProfilePictureIfNeeded(binding.doubleModeImageView2, additionalPublicKey, additionalDisplayName, R.dimen.small_profile_picture_size)
-            doubleModeImageViewContainer.visibility = View.VISIBLE
+            binding.doubleModeImageViewContainer.visibility = View.VISIBLE
         } else {
-            glide.clear(doubleModeImageView1)
+            glide.clear(binding.doubleModeImageView1)
-            glide.clear(doubleModeImageView2)
+            glide.clear(binding.doubleModeImageView2)
-            doubleModeImageViewContainer.visibility = View.INVISIBLE
+            binding.doubleModeImageViewContainer.visibility = View.INVISIBLE
         }
         if (additionalPublicKey == null && !isLarge) {
-            setProfilePictureIfNeeded(singleModeImageView, publicKey, displayName, R.dimen.medium_profile_picture_size)
+            setProfilePictureIfNeeded(binding.singleModeImageView, publicKey, displayName, R.dimen.medium_profile_picture_size)
-            singleModeImageView.visibility = View.VISIBLE
+            binding.singleModeImageView.visibility = View.VISIBLE
         } else {
-            glide.clear(singleModeImageView)
+            glide.clear(binding.singleModeImageView)
-            singleModeImageView.visibility = View.INVISIBLE
+            binding.singleModeImageView.visibility = View.INVISIBLE
         }
         if (additionalPublicKey == null && isLarge) {
-            setProfilePictureIfNeeded(largeSingleModeImageView, publicKey, displayName, R.dimen.large_profile_picture_size)
+            setProfilePictureIfNeeded(binding.largeSingleModeImageView, publicKey, displayName, R.dimen.large_profile_picture_size)
-            largeSingleModeImageView.visibility = View.VISIBLE
+            binding.largeSingleModeImageView.visibility = View.VISIBLE
         } else {
-            glide.clear(largeSingleModeImageView)
+            glide.clear(binding.largeSingleModeImageView)
-            largeSingleModeImageView.visibility = View.INVISIBLE
+            binding.largeSingleModeImageView.visibility = View.INVISIBLE
         }
     }
 

app/src/main/java/org/thoughtcrime/securesms/contacts/ContactSelectionListAdapter.kt

@@ -1,15 +1,12 @@
 package org.thoughtcrime.securesms.contacts
 
 import android.content.Context
-import androidx.recyclerview.widget.RecyclerView
 import android.view.LayoutInflater
-import android.view.View
 import android.view.ViewGroup
-import kotlinx.android.synthetic.main.contact_selection_list_divider.view.*
+import androidx.recyclerview.widget.RecyclerView
-import network.loki.messenger.R
+import network.loki.messenger.databinding.ContactSelectionListDividerBinding
-import org.thoughtcrime.securesms.contacts.UserView
-import org.thoughtcrime.securesms.mms.GlideRequests
 import org.session.libsession.utilities.recipients.Recipient
+import org.thoughtcrime.securesms.mms.GlideRequests
 
 class ContactSelectionListAdapter(private val context: Context, private val multiSelect: Boolean) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
     lateinit var glide: GlideRequests
@@ -24,7 +21,15 @@ class ContactSelectionListAdapter(private val context: Context, private val mult
     }
 
     class UserViewHolder(val view: UserView) : RecyclerView.ViewHolder(view)
-    class DividerViewHolder(val view: View) : RecyclerView.ViewHolder(view)
+    class DividerViewHolder(
+        private val binding: ContactSelectionListDividerBinding
+    ) : RecyclerView.ViewHolder(binding.root) {
+        fun bind(item: ContactSelectionListItem.Header) {
+            with(binding){
+                label.text = item.name
+            }
+        }
+    }
 
     override fun getItemCount(): Int {
         return items.size
@@ -41,8 +46,9 @@ class ContactSelectionListAdapter(private val context: Context, private val mult
         return if (viewType == ViewType.Contact) {
           UserViewHolder(UserView(context))
         } else {
-            val view = LayoutInflater.from(context).inflate(R.layout.contact_selection_list_divider, parent, false)
+          DividerViewHolder(
-          DividerViewHolder(view)
+              ContactSelectionListDividerBinding.inflate(LayoutInflater.from(context), parent, false)
+          )
         }
     }
 
@@ -58,8 +64,7 @@ class ContactSelectionListAdapter(private val context: Context, private val mult
                     if (multiSelect) UserView.ActionIndicator.Tick else UserView.ActionIndicator.None,
                     isSelected)
         } else if (viewHolder is DividerViewHolder) {
-            item as ContactSelectionListItem.Header
+            viewHolder.bind(item as ContactSelectionListItem.Header)
-            viewHolder.view.label.text = item.name
         }
     }
 

app/src/main/java/org/thoughtcrime/securesms/contacts/ContactSelectionListFragment.kt

@@ -1,23 +1,21 @@
 package org.thoughtcrime.securesms.contacts
 
 import android.os.Bundle
-import androidx.fragment.app.Fragment
-import androidx.loader.app.LoaderManager
-import androidx.loader.content.Loader
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout.OnRefreshListener
-import androidx.recyclerview.widget.LinearLayoutManager
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import kotlinx.android.synthetic.main.contact_selection_list_fragment.*
+import androidx.fragment.app.Fragment
-import network.loki.messenger.R
+import androidx.loader.app.LoaderManager
+import androidx.loader.content.Loader
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout.OnRefreshListener
+import network.loki.messenger.databinding.ContactSelectionListFragmentBinding
+import org.session.libsession.utilities.recipients.Recipient
 import org.session.libsignal.utilities.Log
 import org.thoughtcrime.securesms.mms.GlideApp
-import org.session.libsession.utilities.recipients.Recipient
-import org.thoughtcrime.securesms.contacts.ContactSelectionListItem
-import org.thoughtcrime.securesms.contacts.ContactSelectionListLoader
 
 class ContactSelectionListFragment : Fragment(), LoaderManager.LoaderCallbacks<List<ContactSelectionListItem>>, ContactClickListener {
+    private lateinit var binding: ContactSelectionListFragmentBinding
     private var cursorFilter: String? = null
     var onContactSelectedListener: OnContactSelectedListener? = null
 
@@ -46,20 +44,21 @@ class ContactSelectionListFragment : Fragment(), LoaderManager.LoaderCallbacks<L
         fun onContactDeselected(number: String?)
     }
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        recyclerView.layoutManager = LinearLayoutManager(activity)
-        recyclerView.adapter = listAdapter
-        swipeRefreshLayout.isEnabled = requireActivity().intent.getBooleanExtra(REFRESHABLE, true)
-    }
-
     override fun onStart() {
         super.onStart()
         LoaderManager.getInstance(this).initLoader(0, null, this)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
-        return inflater.inflate(R.layout.contact_selection_list_fragment, container, false)
+        binding = ContactSelectionListFragmentBinding.inflate(inflater, container, false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.recyclerView.layoutManager = LinearLayoutManager(activity)
+        binding.recyclerView.adapter = listAdapter
+        binding.swipeRefreshLayout.isEnabled = requireActivity().intent.getBooleanExtra(REFRESHABLE, true)
     }
 
     override fun onStop() {
@@ -74,15 +73,15 @@ class ContactSelectionListFragment : Fragment(), LoaderManager.LoaderCallbacks<L
 
     fun resetQueryFilter() {
         setQueryFilter(null)
-        swipeRefreshLayout.isRefreshing = false
+        binding.swipeRefreshLayout.isRefreshing = false
     }
 
     fun setRefreshing(refreshing: Boolean) {
-        swipeRefreshLayout.isRefreshing = refreshing
+        binding.swipeRefreshLayout.isRefreshing = refreshing
     }
 
     fun setOnRefreshListener(onRefreshListener: OnRefreshListener?) {
-        swipeRefreshLayout.setOnRefreshListener(onRefreshListener)
+        binding.swipeRefreshLayout.setOnRefreshListener(onRefreshListener)
     }
 
     override fun onCreateLoader(id: Int, args: Bundle?): Loader<List<ContactSelectionListItem>> {
@@ -107,8 +106,8 @@ class ContactSelectionListFragment : Fragment(), LoaderManager.LoaderCallbacks<L
             return
         }
         listAdapter.items = items
-        mainContentContainer.visibility = if (items.isEmpty()) View.GONE else View.VISIBLE
+        binding.mainContentContainer.visibility = if (items.isEmpty()) View.GONE else View.VISIBLE
-        emptyStateContainer.visibility = if (items.isEmpty()) View.VISIBLE else View.GONE
+        binding.emptyStateContainer.visibility = if (items.isEmpty()) View.VISIBLE else View.GONE
     }
 
     override fun onContactClick(contact: Recipient) {

app/src/main/java/org/thoughtcrime/securesms/contacts/SelectContactsActivity.kt

@@ -9,16 +9,13 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
-import kotlinx.android.synthetic.main.activity_create_closed_group.emptyStateContainer
-import kotlinx.android.synthetic.main.activity_create_closed_group.mainContentContainer
-import kotlinx.android.synthetic.main.activity_select_contacts.*
-import kotlinx.android.synthetic.main.activity_select_contacts.recyclerView
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivitySelectContactsBinding
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
 import org.thoughtcrime.securesms.mms.GlideApp
 
-//TODO Refactor to avoid using kotlinx.android.synthetic
 class SelectContactsActivity : PassphraseRequiredActionBarActivity(), LoaderManager.LoaderCallbacks<List<String>> {
+    private lateinit var binding: ActivitySelectContactsBinding
     private var members = listOf<String>()
         set(value) { field = value; selectContactsAdapter.members = value }
     private lateinit var usersToExclude: Set<String>
@@ -36,18 +33,18 @@ class SelectContactsActivity : PassphraseRequiredActionBarActivity(), LoaderMana
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
         super.onCreate(savedInstanceState, isReady)
-
+        binding = ActivitySelectContactsBinding.inflate(layoutInflater)
-        setContentView(R.layout.activity_select_contacts)
+        setContentView(binding.root)
         supportActionBar!!.title = resources.getString(R.string.activity_select_contacts_title)
 
         usersToExclude = intent.getStringArrayExtra(usersToExcludeKey)?.toSet() ?: setOf()
         val emptyStateText = intent.getStringExtra(emptyStateTextKey)
         if (emptyStateText != null) {
-            emptyStateMessageTextView.text = emptyStateText
+            binding.emptyStateMessageTextView.text = emptyStateText
         }
 
-        recyclerView.adapter = selectContactsAdapter
+        binding.recyclerView.adapter = selectContactsAdapter
-        recyclerView.layoutManager = LinearLayoutManager(this)
+        binding.recyclerView.layoutManager = LinearLayoutManager(this)
 
         LoaderManager.getInstance(this).initLoader(0, null, this)
     }
@@ -73,8 +70,8 @@ class SelectContactsActivity : PassphraseRequiredActionBarActivity(), LoaderMana
 
     private fun update(members: List<String>) {
         this.members = members
-        mainContentContainer.visibility = if (members.isEmpty()) View.GONE else View.VISIBLE
+        binding.mainContentContainer.visibility = if (members.isEmpty()) View.GONE else View.VISIBLE
-        emptyStateContainer.visibility = if (members.isEmpty()) View.VISIBLE else View.GONE
+        binding.emptyStateContainer.visibility = if (members.isEmpty()) View.VISIBLE else View.GONE
         invalidateOptionsMenu()
     }
     // endregion

app/src/main/java/org/thoughtcrime/securesms/contacts/UserView.kt

@@ -5,9 +5,8 @@ import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.LinearLayout
-import kotlinx.android.synthetic.main.view_conversation.view.profilePictureView
-import kotlinx.android.synthetic.main.view_user.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewUserBinding
 import org.session.libsession.messaging.contacts.Contact
 import org.session.libsession.utilities.recipients.Recipient
 import org.thoughtcrime.securesms.conversation.v2.utilities.MentionManagerUtilities
@@ -15,6 +14,7 @@ import org.thoughtcrime.securesms.dependencies.DatabaseComponent
 import org.thoughtcrime.securesms.mms.GlideRequests
 
 class UserView : LinearLayout {
+    private lateinit var binding: ViewUserBinding
     var openGroupThreadID: Long = -1 // FIXME: This is a bit ugly
 
     enum class ActionIndicator {
@@ -41,9 +41,7 @@ class UserView : LinearLayout {
     }
 
     private fun setUpViewHierarchy() {
-        val inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+        binding = ViewUserBinding.inflate(LayoutInflater.from(context), this, true)
-        val contentView = inflater.inflate(R.layout.view_user, null)
-        addView(contentView)
     }
     // endregion
 
@@ -56,28 +54,32 @@ class UserView : LinearLayout {
         val threadID = DatabaseComponent.get(context).threadDatabase().getOrCreateThreadIdFor(user)
         MentionManagerUtilities.populateUserPublicKeyCacheIfNeeded(threadID, context) // FIXME: This is a bad place to do this
         val address = user.address.serialize()
-        profilePictureView.glide = glide
+        binding.profilePictureView.glide = glide
-        profilePictureView.update(user, threadID)
+        binding.profilePictureView.update(user)
-        actionIndicatorImageView.setImageResource(R.drawable.ic_baseline_edit_24)
+        binding.actionIndicatorImageView.setImageResource(R.drawable.ic_baseline_edit_24)
-        nameTextView.text = if (user.isGroupRecipient) user.name else getUserDisplayName(address)
+        binding.nameTextView.text = if (user.isGroupRecipient) user.name else getUserDisplayName(address)
         when (actionIndicator) {
             ActionIndicator.None -> {
-                actionIndicatorImageView.visibility = View.GONE
+                binding.actionIndicatorImageView.visibility = View.GONE
             }
             ActionIndicator.Menu -> {
-                actionIndicatorImageView.visibility = View.VISIBLE
+                binding.actionIndicatorImageView.visibility = View.VISIBLE
-                actionIndicatorImageView.setImageResource(R.drawable.ic_more_horiz_white)
+                binding.actionIndicatorImageView.setImageResource(R.drawable.ic_more_horiz_white)
             }
             ActionIndicator.Tick -> {
-                actionIndicatorImageView.visibility = View.VISIBLE
+                binding.actionIndicatorImageView.visibility = View.VISIBLE
-                actionIndicatorImageView.setImageResource(if (isSelected) R.drawable.ic_circle_check else R.drawable.ic_circle)
+                binding.actionIndicatorImageView.setImageResource(
+                    if (isSelected) R.drawable.ic_circle_check else R.drawable.ic_circle
+                )
             }
         }
     }
 
     fun toggleCheckbox(isSelected: Boolean = false) {
-        actionIndicatorImageView.visibility = View.VISIBLE
+        binding.actionIndicatorImageView.visibility = View.VISIBLE
-        actionIndicatorImageView.setImageResource(if (isSelected) R.drawable.ic_circle_check else R.drawable.ic_circle)
+        binding.actionIndicatorImageView.setImageResource(
+            if (isSelected) R.drawable.ic_circle_check else R.drawable.ic_circle
+        )
     }
 
     fun unbind() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationAdapter.kt

@@ -4,9 +4,7 @@ import android.content.Context
 import android.database.Cursor
 import android.view.MotionEvent
 import android.view.ViewGroup
-import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView.ViewHolder
-import kotlinx.android.synthetic.main.view_visible_message.view.*
 import org.thoughtcrime.securesms.conversation.v2.messages.ControlMessageView
 import org.thoughtcrime.securesms.conversation.v2.messages.VisibleMessageContentViewDelegate
 import org.thoughtcrime.securesms.conversation.v2.messages.VisibleMessageView
@@ -49,15 +47,9 @@ class ConversationAdapter(context: Context, cursor: Cursor, private val onItemPr
     override fun onCreateItemViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         @Suppress("NAME_SHADOWING")
         val viewType = ViewType.allValues[viewType]
-        when (viewType) {
+        return when (viewType) {
-            ViewType.Visible -> {
+            ViewType.Visible -> VisibleMessageViewHolder(VisibleMessageView(context))
-                val view = VisibleMessageView(context)
+            ViewType.Control -> ControlMessageViewHolder(ControlMessageView(context))
-                return VisibleMessageViewHolder(view)
-            }
-            ViewType.Control -> {
-                val view = ControlMessageView(context)
-                return ControlMessageViewHolder(view)
-            }
             else -> throw IllegalStateException("Unexpected view type: $viewType.")
         }
     }
@@ -71,7 +63,6 @@ class ConversationAdapter(context: Context, cursor: Cursor, private val onItemPr
                 val view = viewHolder.view
                 val isSelected = selectedItems.contains(message)
                 view.snIsSelected = isSelected
-                view.messageTimestampTextView.isVisible = isSelected
                 view.indexInAdapter = position
                 view.bind(message, messageBefore, getMessageAfter(position, cursor), glide, searchQuery)
                 if (!message.isDeleted) {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationRecyclerView.kt

@@ -2,16 +2,12 @@ package org.thoughtcrime.securesms.conversation.v2
 
 import android.content.Context
 import android.util.AttributeSet
-import android.util.Log
 import android.view.MotionEvent
 import android.view.VelocityTracker
-import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import kotlinx.android.synthetic.main.activity_conversation_v2.*
 import org.thoughtcrime.securesms.util.disableClipping
 import org.thoughtcrime.securesms.util.toPx
 import kotlin.math.abs
-import kotlin.math.max
 
 class ConversationRecyclerView : RecyclerView {
     private val maxLongPressVelocityY = toPx(10, resources)
@@ -37,10 +33,10 @@ class ConversationRecyclerView : RecyclerView {
         if (abs(vy) > maxLongPressVelocityY && abs(vx) < minSwipeVelocityX) { return super.onInterceptTouchEvent(e) }
         // Return false if abs(v.x) > abs(v.y) so that only swipes that are more horizontal than vertical
         // get passed on to the message view
-        if (abs(vx) > abs(vy)) {
+        return if (abs(vx) > abs(vy)) {
-            return false
+            false
         } else {
-            return super.onInterceptTouchEvent(e)
+            super.onInterceptTouchEvent(e)
         }
     }
 

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationViewModel.kt

@@ -0,0 +1,130 @@
+package org.thoughtcrime.securesms.conversation.v2
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import org.session.libsession.utilities.recipients.Recipient
+import org.thoughtcrime.securesms.database.model.MessageRecord
+import org.thoughtcrime.securesms.repository.ConversationRepository
+import java.util.UUID
+
+class ConversationViewModel(
+    val threadId: Long,
+    private val repository: ConversationRepository
+) : ViewModel() {
+
+    private val _uiState = MutableStateFlow(ConversationUiState())
+    val uiState: StateFlow<ConversationUiState> = _uiState
+
+    val recipient: Recipient by lazy {
+        repository.getRecipientForThreadId(threadId)
+    }
+
+    init {
+        _uiState.update {
+            it.copy(isOxenHostedOpenGroup = repository.isOxenHostedOpenGroup(threadId))
+        }
+    }
+
+    fun saveDraft(text: String) {
+        repository.saveDraft(threadId, text)
+    }
+
+    fun getDraft(): String? {
+        return repository.getDraft(threadId)
+    }
+
+    fun inviteContacts(contacts: List<Recipient>) {
+        repository.inviteContacts(threadId, contacts)
+    }
+
+    fun unblock() {
+        if (recipient.isContactRecipient) {
+            repository.unblock(recipient)
+        }
+    }
+
+    fun deleteLocally(message: MessageRecord) {
+        repository.deleteLocally(recipient, message)
+    }
+
+    fun deleteForEveryone(message: MessageRecord) = viewModelScope.launch {
+        repository.deleteForEveryone(threadId, recipient, message)
+            .onFailure {
+                showMessage("Couldn't delete message due to error: $it")
+            }
+    }
+
+    fun deleteMessagesWithoutUnsendRequest(messages: Set<MessageRecord>) = viewModelScope.launch {
+        repository.deleteMessageWithoutUnsendRequest(threadId, messages)
+            .onFailure {
+                showMessage("Couldn't delete message due to error: $it")
+            }
+    }
+
+    fun banUser(recipient: Recipient) = viewModelScope.launch {
+        repository.banUser(threadId, recipient)
+            .onSuccess {
+                showMessage("Successfully banned user")
+            }
+            .onFailure {
+                showMessage("Couldn't ban user due to error: $it")
+            }
+    }
+
+    fun banAndDeleteAll(recipient: Recipient) = viewModelScope.launch {
+        repository.banAndDeleteAll(threadId, recipient)
+            .onSuccess {
+                showMessage("Successfully banned user and deleted all their messages")
+            }
+            .onFailure {
+                showMessage("Couldn't execute request due to error: $it")
+            }
+    }
+
+    private fun showMessage(message: String) {
+        _uiState.update { currentUiState ->
+            val messages = currentUiState.uiMessages + UiMessage(
+                id = UUID.randomUUID().mostSignificantBits,
+                message = message
+            )
+            currentUiState.copy(uiMessages = messages)
+        }
+    }
+    
+    fun messageShown(messageId: Long) {
+        _uiState.update { currentUiState ->
+            val messages = currentUiState.uiMessages.filterNot { it.id == messageId }
+            currentUiState.copy(uiMessages = messages)
+        }
+    }
+
+    @dagger.assisted.AssistedFactory
+    interface AssistedFactory {
+        fun create(threadId: Long): Factory
+    }
+
+    @Suppress("UNCHECKED_CAST")
+    class Factory @AssistedInject constructor(
+        @Assisted private val threadId: Long,
+        private val repository: ConversationRepository
+    ) : ViewModelProvider.Factory {
+
+        override fun <T : ViewModel> create(modelClass: Class<T>): T {
+            return ConversationViewModel(threadId, repository) as T
+        }
+    }
+}
+
+data class UiMessage(val id: Long, val message: String)
+
+data class ConversationUiState(
+    val isOxenHostedOpenGroup: Boolean = false,
+    val uiMessages: List<UiMessage> = emptyList()
+)

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/DeleteOptionsBottomSheet.kt

@@ -7,8 +7,8 @@ import android.view.ViewGroup
 import androidx.core.view.isVisible
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.android.synthetic.main.fragment_delete_message_bottom_sheet.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.FragmentDeleteMessageBottomSheetBinding
 import org.session.libsession.messaging.contacts.Contact
 import org.session.libsession.utilities.recipients.Recipient
 import org.thoughtcrime.securesms.database.SessionContactDatabase
@@ -22,6 +22,7 @@ class DeleteOptionsBottomSheet : BottomSheetDialogFragment(), View.OnClickListen
     lateinit var contactDatabase: SessionContactDatabase
 
     lateinit var recipient: Recipient
+    private lateinit var binding: FragmentDeleteMessageBottomSheetBinding
     val contact by lazy {
         val senderId = recipient.address.serialize()
         // this dialog won't show for open group contacts
@@ -37,15 +38,16 @@ class DeleteOptionsBottomSheet : BottomSheetDialogFragment(), View.OnClickListen
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
-    ): View? {
+    ): View {
-        return inflater.inflate(R.layout.fragment_delete_message_bottom_sheet, container, false)
+        binding = FragmentDeleteMessageBottomSheetBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onClick(v: View?) {
         when (v) {
-            deleteForMeTextView -> onDeleteForMeTapped?.invoke()
+            binding.deleteForMeTextView -> onDeleteForMeTapped?.invoke()
-            deleteForEveryoneTextView -> onDeleteForEveryoneTapped?.invoke()
+            binding.deleteForEveryoneTextView -> onDeleteForEveryoneTapped?.invoke()
-            cancelTextView -> onCancelTapped?.invoke()
+            binding.cancelTextView -> onCancelTapped?.invoke()
         }
     }
 
@@ -55,13 +57,13 @@ class DeleteOptionsBottomSheet : BottomSheetDialogFragment(), View.OnClickListen
             return dismiss()
         }
         if (!recipient.isGroupRecipient && !contact.isNullOrEmpty()) {
-            deleteForEveryoneTextView.text =
+            binding.deleteForEveryoneTextView.text =
                 resources.getString(R.string.delete_message_for_me_and_recipient, contact)
         }
-        deleteForEveryoneTextView.isVisible = !recipient.isClosedGroupRecipient
+        binding.deleteForEveryoneTextView.isVisible = !recipient.isClosedGroupRecipient
-        deleteForMeTextView.setOnClickListener(this)
+        binding.deleteForMeTextView.setOnClickListener(this)
-        deleteForEveryoneTextView.setOnClickListener(this)
+        binding.deleteForEveryoneTextView.setOnClickListener(this)
-        cancelTextView.setOnClickListener(this)
+        binding.cancelTextView.setOnClickListener(this)
     }
 
     override fun onStart() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/MessageDetailActivity.kt

@@ -2,8 +2,8 @@ package org.thoughtcrime.securesms.conversation.v2
 
 import android.os.Bundle
 import android.view.View
-import kotlinx.android.synthetic.main.activity_message_detail.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityMessageDetailBinding
 import org.session.libsession.utilities.Address
 import org.session.libsession.utilities.ExpirationUtil
 import org.session.libsession.utilities.TextSecurePreferences
@@ -13,11 +13,11 @@ import org.thoughtcrime.securesms.database.model.MessageRecord
 import org.thoughtcrime.securesms.dependencies.DatabaseComponent
 import org.thoughtcrime.securesms.util.DateUtils
 import java.text.SimpleDateFormat
-import java.util.*
+import java.util.Date
-
+import java.util.Locale
 
 class MessageDetailActivity: PassphraseRequiredActionBarActivity() {
-
+    private lateinit var binding: ActivityMessageDetailBinding
     var messageRecord: MessageRecord? = null
 
     // region Settings
@@ -29,7 +29,8 @@ class MessageDetailActivity: PassphraseRequiredActionBarActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?, ready: Boolean) {
         super.onCreate(savedInstanceState, ready)
-        setContentView(R.layout.activity_message_detail)
+        binding = ActivityMessageDetailBinding.inflate(layoutInflater)
+        setContentView(binding.root)
         title = resources.getString(R.string.conversation_context__menu_message_details)
         val timestamp = intent.getLongExtra(MESSAGE_TIMESTAMP, -1L)
         // We only show this screen for messages fail to send,
@@ -37,7 +38,7 @@ class MessageDetailActivity: PassphraseRequiredActionBarActivity() {
         val author = Address.fromSerialized(TextSecurePreferences.getLocalNumber(this)!!)
         messageRecord = DatabaseComponent.get(this).mmsSmsDatabase().getMessageFor(timestamp, author)
         updateContent()
-        resend_button.setOnClickListener {
+        binding.resendButton.setOnClickListener {
             ResendMessageUtilities.resend(messageRecord!!)
             finish()
         }
@@ -46,20 +47,20 @@ class MessageDetailActivity: PassphraseRequiredActionBarActivity() {
     fun updateContent() {
         val dateLocale = Locale.getDefault()
         val dateFormatter: SimpleDateFormat = DateUtils.getDetailedDateFormatter(this, dateLocale)
-        sent_time.text = dateFormatter.format(Date(messageRecord!!.dateSent))
+        binding.sentTime.text = dateFormatter.format(Date(messageRecord!!.dateSent))
 
         val errorMessage = DatabaseComponent.get(this).lokiMessageDatabase().getErrorMessage(messageRecord!!.getId()) ?: "Message failed to send."
-        error_message.text = errorMessage
+        binding.errorMessage.text = errorMessage
 
-        if (messageRecord!!.getExpiresIn() <= 0 || messageRecord!!.getExpireStarted() <= 0) {
+        if (messageRecord!!.expiresIn <= 0 || messageRecord!!.expireStarted <= 0) {
-            expires_container.visibility = View.GONE
+            binding.expiresContainer.visibility = View.GONE
         } else {
-            expires_container.visibility = View.VISIBLE
+            binding.expiresContainer.visibility = View.VISIBLE
             val elapsed = System.currentTimeMillis() - messageRecord!!.expireStarted
             val remaining = messageRecord!!.expiresIn - elapsed
 
             val duration = ExpirationUtil.getExpirationDisplayValue(this, Math.max((remaining / 1000).toInt(), 1))
-            expires_in.text = duration
+            binding.expiresIn.text = duration
         }
     }
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ModalUrlBottomSheet.kt

@@ -15,14 +15,16 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
-import kotlinx.android.synthetic.main.fragment_modal_url_bottom_sheet.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.FragmentModalUrlBottomSheetBinding
 import org.thoughtcrime.securesms.util.UiModeUtilities
 
 class ModalUrlBottomSheet(private val url: String): BottomSheetDialogFragment(), View.OnClickListener {
-
+    private lateinit var binding: FragmentModalUrlBottomSheetBinding
-    override fun onCreateView(inflater: LayoutInflater,container: ViewGroup?,savedInstanceState: Bundle?): View? {
+    
-        return inflater.inflate(R.layout.fragment_modal_url_bottom_sheet, container, false)
+    override fun onCreateView(inflater: LayoutInflater,container: ViewGroup?,savedInstanceState: Bundle?): View {
+        binding = FragmentModalUrlBottomSheetBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -31,10 +33,10 @@ class ModalUrlBottomSheet(private val url: String): BottomSheetDialogFragment(),
         val spannable = SpannableStringBuilder(explanation)
         val startIndex = explanation.indexOf(url)
         spannable.setSpan(StyleSpan(Typeface.BOLD), startIndex, startIndex + url.count(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        openURLExplanationTextView.text = spannable
+        binding.openURLExplanationTextView.text = spannable
-        cancelButton.setOnClickListener(this)
+        binding.cancelButton.setOnClickListener(this)
-        copyButton.setOnClickListener(this)
+        binding.copyButton.setOnClickListener(this)
-        openURLButton.setOnClickListener(this)
+        binding.openURLButton.setOnClickListener(this)
     }
 
     private fun open() {
@@ -64,9 +66,9 @@ class ModalUrlBottomSheet(private val url: String): BottomSheetDialogFragment(),
 
     override fun onClick(v: View?) {
         when (v) {
-            openURLButton -> open()
+            binding.openURLButton -> open()
-            copyButton -> copy()
+            binding.copyButton -> copy()
-            cancelButton -> dismiss()
+            binding.cancelButton -> dismiss()
         }
     }
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/components/AlbumThumbnailView.kt

@@ -11,8 +11,8 @@ import android.widget.FrameLayout
 import android.widget.TextView
 import androidx.core.view.children
 import androidx.core.view.isVisible
-import kotlinx.android.synthetic.main.album_thumbnail_view.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.AlbumThumbnailViewBinding
 import org.session.libsession.messaging.jobs.AttachmentDownloadJob
 import org.session.libsession.messaging.jobs.JobQueue
 import org.session.libsession.messaging.sending_receiving.attachments.AttachmentTransferProgress
@@ -32,6 +32,8 @@ import org.thoughtcrime.securesms.util.ActivityDispatcher
 import kotlin.math.roundToInt
 
 class AlbumThumbnailView : FrameLayout {
+    
+    private lateinit var binding: AlbumThumbnailViewBinding
 
     companion object {
         const val MAX_ALBUM_DISPLAY_SIZE = 5
@@ -55,7 +57,7 @@ class AlbumThumbnailView : FrameLayout {
     private var slideSize: Int = 0
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.album_thumbnail_view, this)
+        binding = AlbumThumbnailViewBinding.inflate(LayoutInflater.from(context), this, true)
     }
 
     override fun dispatchDraw(canvas: Canvas?) {
@@ -73,7 +75,7 @@ class AlbumThumbnailView : FrameLayout {
         // Z-check in specific order
         val testRect = Rect()
         // test "Read More"
-        albumCellBodyTextReadMore.getGlobalVisibleRect(testRect)
+        binding.albumCellBodyTextReadMore.getGlobalVisibleRect(testRect)
         if (testRect.contains(eventRect)) {
             // dispatch to activity view
             ActivityDispatcher.get(context)?.dispatchIntent { context ->
@@ -81,15 +83,15 @@ class AlbumThumbnailView : FrameLayout {
             }
             return
         }
-        val intersectedSpans = albumCellBodyText.getIntersectedModalSpans(eventRect)
+        val intersectedSpans = binding.albumCellBodyText.getIntersectedModalSpans(eventRect)
         if (intersectedSpans.isNotEmpty()) {
             intersectedSpans.forEach { span ->
-                span.onClick(albumCellBodyText)
+                span.onClick(binding.albumCellBodyText)
             }
             return
         }
         // test each album child
-        albumCellContainer.findViewById<ViewGroup>(R.id.album_thumbnail_root)?.children?.forEachIndexed { index, child ->
+        binding.albumCellContainer.findViewById<ViewGroup>(R.id.album_thumbnail_root)?.children?.forEachIndexed { index, child ->
             child.getGlobalVisibleRect(testRect)
             if (testRect.contains(eventRect)) {
                 // hit intersects with this particular child
@@ -122,10 +124,10 @@ class AlbumThumbnailView : FrameLayout {
 
         // recreate cell views if different size to what we have already (for recycling)
         if (slides.size != this.slideSize) {
-            albumCellContainer.removeAllViews()
+            binding.albumCellContainer.removeAllViews()
-            LayoutInflater.from(context).inflate(layoutRes(slides.size), albumCellContainer)
+            LayoutInflater.from(context).inflate(layoutRes(slides.size), binding.albumCellContainer)
             val overflowed = slides.size > MAX_ALBUM_DISPLAY_SIZE
-            albumCellContainer.findViewById<TextView>(R.id.album_cell_overflow_text)?.let { overflowText ->
+            binding.albumCellContainer.findViewById<TextView>(R.id.album_cell_overflow_text)?.let { overflowText ->
                 // overflowText will be null if !overflowed
                 overflowText.isVisible = overflowed // more than max album size
                 overflowText.text = context.getString(R.string.AlbumThumbnailView_plus, slides.size - MAX_ALBUM_DISPLAY_SIZE)
@@ -137,17 +139,17 @@ class AlbumThumbnailView : FrameLayout {
             val thumbnailView = getThumbnailView(position)
             thumbnailView.setImageResource(glideRequests, slide, isPreview = false, mms = message)
         }
-        albumCellBodyParent.isVisible = message.body.isNotEmpty()
+        binding.albumCellBodyParent.isVisible = message.body.isNotEmpty()
         val body = VisibleMessageContentView.getBodySpans(context, message, null)
-        albumCellBodyText.text = body
+        binding.albumCellBodyText.text = body
         post {
             // post to await layout of text
-            albumCellBodyText.layout?.let { layout ->
+            binding.albumCellBodyText.layout?.let { layout ->
                 val maxEllipsis = (0 until layout.lineCount).maxByOrNull { lineNum -> layout.getEllipsisCount(lineNum) }
                         ?: 0
                 // show read more text if at least one line is ellipsized
-                ViewUtil.setPaddingTop(albumCellBodyTextParent, if (maxEllipsis > 0) resources.getDimension(R.dimen.small_spacing).roundToInt() else resources.getDimension(R.dimen.medium_spacing).roundToInt())
+                ViewUtil.setPaddingTop(binding.albumCellBodyTextParent, if (maxEllipsis > 0) resources.getDimension(R.dimen.small_spacing).roundToInt() else resources.getDimension(R.dimen.medium_spacing).roundToInt())
-                albumCellBodyTextReadMore.isVisible = maxEllipsis > 0
+                binding.albumCellBodyTextReadMore.isVisible = maxEllipsis > 0
             }
         }
     }
@@ -165,11 +167,11 @@ class AlbumThumbnailView : FrameLayout {
     }
 
     fun getThumbnailView(position: Int): KThumbnailView = when (position) {
-        0 -> albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_1)
+        0 -> binding.albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_1)
-        1 -> albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_2)
+        1 -> binding.albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_2)
-        2 -> albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_3)
+        2 -> binding.albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_3)
-        3 -> albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_4)
+        3 -> binding.albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_4)
-        4 -> albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_5)
+        4 -> binding.albumCellContainer.findViewById<ViewGroup>(R.id.albumCellContainer).findViewById(R.id.album_cell_5)
         else -> throw Exception("Can't get thumbnail view for non-existent thumbnail at position: $position")
     }
 

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/components/LinkPreviewDraftView.kt

@@ -5,14 +5,14 @@ import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.LinearLayout
 import androidx.core.view.isVisible
-import kotlinx.android.synthetic.main.view_link_preview_draft.view.*
+import network.loki.messenger.databinding.ViewLinkPreviewDraftBinding
-import network.loki.messenger.R
 import org.session.libsession.messaging.sending_receiving.link_preview.LinkPreview
-import org.thoughtcrime.securesms.util.toPx
 import org.thoughtcrime.securesms.mms.GlideRequests
 import org.thoughtcrime.securesms.mms.ImageSlide
+import org.thoughtcrime.securesms.util.toPx
 
 class LinkPreviewDraftView : LinearLayout {
+    private lateinit var binding: ViewLinkPreviewDraftBinding
     var delegate: LinkPreviewDraftViewDelegate? = null
 
     constructor(context: Context) : super(context) { initialize() }
@@ -21,22 +21,22 @@ class LinkPreviewDraftView : LinearLayout {
 
     private fun initialize() {
         // Start out with the loader showing and the content view hidden
-        LayoutInflater.from(context).inflate(R.layout.view_link_preview_draft, this)
+        binding = ViewLinkPreviewDraftBinding.inflate(LayoutInflater.from(context), this, true)
-        linkPreviewDraftContainer.isVisible = false
+        binding.linkPreviewDraftContainer.isVisible = false
-        thumbnailImageView.clipToOutline = true
+        binding.thumbnailImageView.clipToOutline = true
-        linkPreviewDraftCancelButton.setOnClickListener { cancel() }
+        binding.linkPreviewDraftCancelButton.setOnClickListener { cancel() }
     }
 
     fun update(glide: GlideRequests, linkPreview: LinkPreview) {
         // Hide the loader and show the content view
-        linkPreviewDraftContainer.isVisible = true
+        binding.linkPreviewDraftContainer.isVisible = true
-        linkPreviewDraftLoader.isVisible = false
+        binding.linkPreviewDraftLoader.isVisible = false
-        thumbnailImageView.radius = toPx(4, resources)
+        binding.thumbnailImageView.radius = toPx(4, resources)
         if (linkPreview.getThumbnail().isPresent) {
             // This internally fetches the thumbnail
-            thumbnailImageView.setImageResource(glide, ImageSlide(context, linkPreview.getThumbnail().get()), false, false)
+            binding.thumbnailImageView.setImageResource(glide, ImageSlide(context, linkPreview.getThumbnail().get()), false, false)
         }
-        linkPreviewDraftTitleTextView.text = linkPreview.title
+        binding.linkPreviewDraftTitleTextView.text = linkPreview.title
     }
 
     private fun cancel() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/components/MentionCandidateSelectionView.kt

@@ -45,7 +45,7 @@ class MentionCandidateSelectionView(context: Context, attrs: AttributeSet?, defS
         }
 
         override fun getView(position: Int, cellToBeReused: View?, parent: ViewGroup): View {
-            val cell = cellToBeReused as MentionCandidateView? ?: MentionCandidateView.inflate(LayoutInflater.from(context), parent)
+            val cell = cellToBeReused as MentionCandidateView? ?: MentionCandidateView(context)
             val mentionCandidate = getItem(position)
             cell.glide = glide
             cell.mentionCandidate = mentionCandidate

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/components/MentionCandidateView.kt

@@ -4,32 +4,29 @@ import android.content.Context
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import android.widget.LinearLayout
-import kotlinx.android.synthetic.main.view_mention_candidate.view.*
+import network.loki.messenger.databinding.ViewMentionCandidateBinding
-import network.loki.messenger.R
 import org.session.libsession.messaging.mentions.Mention
 import org.session.libsession.messaging.open_groups.OpenGroupAPIV2
 import org.thoughtcrime.securesms.mms.GlideRequests
 
-class MentionCandidateView(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : LinearLayout(context, attrs, defStyleAttr) {
+class MentionCandidateView : LinearLayout {
+    private lateinit var binding: ViewMentionCandidateBinding
     var mentionCandidate = Mention("", "")
         set(newValue) { field = newValue; update() }
     var glide: GlideRequests? = null
     var openGroupServer: String? = null
     var openGroupRoom: String? = null
 
-    constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)
     constructor(context: Context) : this(context, null)
+    constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
-    companion object {
+    private fun initialize() {
-
+        binding = ViewMentionCandidateBinding.inflate(LayoutInflater.from(context), this, true)
-        fun inflate(layoutInflater: LayoutInflater, parent: ViewGroup): MentionCandidateView {
-            return layoutInflater.inflate(R.layout.view_mention_candidate, parent, false) as MentionCandidateView
-        }
     }
 
-    private fun update() {
+    private fun update() = with(binding) {
         mentionCandidateNameTextView.text = mentionCandidate.displayName
         profilePictureView.publicKey = mentionCandidate.publicKey
         profilePictureView.displayName = mentionCandidate.displayName

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/components/OpenGroupGuidelinesView.kt

@@ -5,8 +5,7 @@ import android.content.Intent
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.FrameLayout
-import kotlinx.android.synthetic.main.view_open_group_guidelines.view.*
+import network.loki.messenger.databinding.ViewOpenGroupGuidelinesBinding
-import network.loki.messenger.R
 import org.thoughtcrime.securesms.conversation.v2.ConversationActivityV2
 import org.thoughtcrime.securesms.groups.OpenGroupGuidelinesActivity
 import org.thoughtcrime.securesms.util.push
@@ -18,13 +17,12 @@ class OpenGroupGuidelinesView : FrameLayout {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        val inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+        ViewOpenGroupGuidelinesBinding.inflate(LayoutInflater.from(context), this, true).apply {
-        val contentView = inflater.inflate(R.layout.view_open_group_guidelines, null)
+            readButton.setOnClickListener {
-        addView(contentView)
+                val activity = context as ConversationActivityV2
-        readButton.setOnClickListener {
+                val intent = Intent(activity, OpenGroupGuidelinesActivity::class.java)
-            val activity = context as ConversationActivityV2
+                activity.push(intent)
-            val intent = Intent(activity, OpenGroupGuidelinesActivity::class.java)
+            }
-            activity.push(intent)
         }
     }
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/components/TypingIndicatorViewContainer.kt

@@ -4,22 +4,22 @@ import android.content.Context
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.LinearLayout
-import kotlinx.android.synthetic.main.view_conversation_typing_container.view.*
+import network.loki.messenger.databinding.ViewConversationTypingContainerBinding
-import network.loki.messenger.R
 import org.session.libsession.utilities.recipients.Recipient
 
 class TypingIndicatorViewContainer : LinearLayout {
+    private lateinit var binding: ViewConversationTypingContainerBinding
 
     constructor(context: Context) : super(context) { initialize() }
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs) { initialize() }
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_conversation_typing_container, this)
+        binding = ViewConversationTypingContainerBinding.inflate(LayoutInflater.from(context), this, true)
     }
 
     fun setTypists(typists: List<Recipient>) {
-        if (typists.isEmpty()) { typingIndicator.stopAnimation(); return }
+        if (typists.isEmpty()) { binding.typingIndicator.stopAnimation(); return }
-        typingIndicator.startAnimation()
+        binding.typingIndicator.startAnimation()
     }
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/dialogs/BlockedDialog.kt

@@ -6,8 +6,8 @@ import android.text.SpannableStringBuilder
 import android.text.style.StyleSpan
 import android.view.LayoutInflater
 import androidx.appcompat.app.AlertDialog
-import kotlinx.android.synthetic.main.dialog_blocked.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.DialogBlockedBinding
 import org.session.libsession.messaging.contacts.Contact
 import org.session.libsession.utilities.recipients.Recipient
 import org.thoughtcrime.securesms.conversation.v2.utilities.BaseDialog
@@ -17,21 +17,21 @@ import org.thoughtcrime.securesms.dependencies.DatabaseComponent
 class BlockedDialog(private val recipient: Recipient) : BaseDialog() {
 
     override fun setContentView(builder: AlertDialog.Builder) {
-        val contentView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_blocked, null)
+        val binding = DialogBlockedBinding.inflate(LayoutInflater.from(requireContext()))
         val contactDB = DatabaseComponent.get(requireContext()).sessionContactDatabase()
         val sessionID = recipient.address.toString()
         val contact = contactDB.getContactWithSessionID(sessionID)
         val name = contact?.displayName(Contact.ContactContext.REGULAR) ?: sessionID
         val title = resources.getString(R.string.dialog_blocked_title, name)
-        contentView.blockedTitleTextView.text = title
+        binding.blockedTitleTextView.text = title
         val explanation = resources.getString(R.string.dialog_blocked_explanation, name)
         val spannable = SpannableStringBuilder(explanation)
         val startIndex = explanation.indexOf(name)
         spannable.setSpan(StyleSpan(Typeface.BOLD), startIndex, startIndex + name.count(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        contentView.blockedExplanationTextView.text = spannable
+        binding.blockedExplanationTextView.text = spannable
-        contentView.cancelButton.setOnClickListener { dismiss() }
+        binding.cancelButton.setOnClickListener { dismiss() }
-        contentView.unblockButton.setOnClickListener { unblock() }
+        binding.unblockButton.setOnClickListener { unblock() }
-        builder.setView(contentView)
+        builder.setView(binding.root)
     }
 
     private fun unblock() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/dialogs/DownloadDialog.kt

@@ -7,8 +7,8 @@ import android.text.style.StyleSpan
 import android.view.LayoutInflater
 import androidx.appcompat.app.AlertDialog
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.android.synthetic.main.dialog_download.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.DialogDownloadBinding
 import org.session.libsession.messaging.contacts.Contact
 import org.session.libsession.messaging.jobs.AttachmentDownloadJob
 import org.session.libsession.messaging.jobs.JobQueue
@@ -26,20 +26,20 @@ class DownloadDialog(private val recipient: Recipient) : BaseDialog() {
     @Inject lateinit var contactDB: SessionContactDatabase
 
     override fun setContentView(builder: AlertDialog.Builder) {
-        val contentView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_download, null)
+        val binding = DialogDownloadBinding.inflate(LayoutInflater.from(requireContext()))
         val sessionID = recipient.address.toString()
         val contact = contactDB.getContactWithSessionID(sessionID)
         val name = contact?.displayName(Contact.ContactContext.REGULAR) ?: sessionID
         val title = resources.getString(R.string.dialog_download_title, name)
-        contentView.downloadTitleTextView.text = title
+        binding.downloadTitleTextView.text = title
         val explanation = resources.getString(R.string.dialog_download_explanation, name)
         val spannable = SpannableStringBuilder(explanation)
         val startIndex = explanation.indexOf(name)
         spannable.setSpan(StyleSpan(Typeface.BOLD), startIndex, startIndex + name.count(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        contentView.downloadExplanationTextView.text = spannable
+        binding.downloadExplanationTextView.text = spannable
-        contentView.cancelButton.setOnClickListener { dismiss() }
+        binding.cancelButton.setOnClickListener { dismiss() }
-        contentView.downloadButton.setOnClickListener { trust() }
+        binding.downloadButton.setOnClickListener { trust() }
-        builder.setView(contentView)
+        builder.setView(binding.root)
     }
 
     private fun trust() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/dialogs/JoinOpenGroupDialog.kt

@@ -7,8 +7,8 @@ import android.text.style.StyleSpan
 import android.view.LayoutInflater
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
-import kotlinx.android.synthetic.main.dialog_join_open_group.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.DialogJoinOpenGroupBinding
 import org.session.libsession.utilities.OpenGroupUrlParser
 import org.session.libsignal.utilities.ThreadUtils
 import org.thoughtcrime.securesms.conversation.v2.utilities.BaseDialog
@@ -19,17 +19,17 @@ import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
 class JoinOpenGroupDialog(private val name: String, private val url: String) : BaseDialog() {
 
     override fun setContentView(builder: AlertDialog.Builder) {
-        val contentView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_join_open_group, null)
+        val binding = DialogJoinOpenGroupBinding.inflate(LayoutInflater.from(requireContext()))
         val title = resources.getString(R.string.dialog_join_open_group_title, name)
-        contentView.joinOpenGroupTitleTextView.text = title
+        binding.joinOpenGroupTitleTextView.text = title
         val explanation = resources.getString(R.string.dialog_join_open_group_explanation, name)
         val spannable = SpannableStringBuilder(explanation)
         val startIndex = explanation.indexOf(name)
         spannable.setSpan(StyleSpan(Typeface.BOLD), startIndex, startIndex + name.count(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        contentView.joinOpenGroupExplanationTextView.text = spannable
+        binding.joinOpenGroupExplanationTextView.text = spannable
-        contentView.cancelButton.setOnClickListener { dismiss() }
+        binding.cancelButton.setOnClickListener { dismiss() }
-        contentView.joinButton.setOnClickListener { join() }
+        binding.joinButton.setOnClickListener { join() }
-        builder.setView(contentView)
+        builder.setView(binding.root)
     }
 
     private fun join() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/dialogs/LinkPreviewDialog.kt

@@ -2,8 +2,7 @@ package org.thoughtcrime.securesms.conversation.v2.dialogs
 
 import android.view.LayoutInflater
 import androidx.appcompat.app.AlertDialog
-import kotlinx.android.synthetic.main.dialog_link_preview.view.*
+import network.loki.messenger.databinding.DialogLinkPreviewBinding
-import network.loki.messenger.R
 import org.session.libsession.utilities.TextSecurePreferences
 import org.thoughtcrime.securesms.conversation.v2.utilities.BaseDialog
 
@@ -12,10 +11,10 @@ import org.thoughtcrime.securesms.conversation.v2.utilities.BaseDialog
 class LinkPreviewDialog(private val onEnabled: () -> Unit) : BaseDialog() {
 
     override fun setContentView(builder: AlertDialog.Builder) {
-        val contentView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_link_preview, null)
+        val binding = DialogLinkPreviewBinding.inflate(LayoutInflater.from(requireContext()))
-        contentView.cancelButton.setOnClickListener { dismiss() }
+        binding.cancelButton.setOnClickListener { dismiss() }
-        contentView.enableLinkPreviewsButton.setOnClickListener { enable() }
+        binding.enableLinkPreviewsButton.setOnClickListener { enable() }
-        builder.setView(contentView)
+        builder.setView(binding.root)
     }
 
     private fun enable() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/dialogs/SendSeedDialog.kt

@@ -2,18 +2,17 @@ package org.thoughtcrime.securesms.conversation.v2.dialogs
 
 import android.view.LayoutInflater
 import androidx.appcompat.app.AlertDialog
-import kotlinx.android.synthetic.main.dialog_send_seed.view.*
+import network.loki.messenger.databinding.DialogSendSeedBinding
-import network.loki.messenger.R
 import org.thoughtcrime.securesms.conversation.v2.utilities.BaseDialog
 
 /** Shown if the user is about to send their recovery phrase to someone. */
 class SendSeedDialog(private val proceed: (() -> Unit)? = null) : BaseDialog() {
 
     override fun setContentView(builder: AlertDialog.Builder) {
-        val contentView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_send_seed, null)
+        val binding = DialogSendSeedBinding.inflate(LayoutInflater.from(requireContext()))
-        contentView.cancelButton.setOnClickListener { dismiss() }
+        binding.cancelButton.setOnClickListener { dismiss() }
-        contentView.sendSeedButton.setOnClickListener { send() }
+        binding.sendSeedButton.setOnClickListener { send() }
-        builder.setView(contentView)
+        builder.setView(binding.root)
     }
 
     private fun send() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/input_bar/InputBar.kt

@@ -4,13 +4,14 @@ import android.content.Context
 import android.content.res.Resources
 import android.net.Uri
 import android.text.InputType
+import android.text.TextWatcher
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.MotionEvent
 import android.widget.RelativeLayout
 import androidx.core.view.isVisible
-import kotlinx.android.synthetic.main.view_input_bar.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewInputBarBinding
 import org.session.libsession.messaging.sending_receiving.link_preview.LinkPreview
 import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsession.utilities.recipients.Recipient
@@ -27,6 +28,7 @@ import kotlin.math.max
 import kotlin.math.roundToInt
 
 class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, LinkPreviewDraftViewDelegate {
+    private lateinit var binding: ViewInputBarBinding
     private val screenWidth = Resources.getSystem().displayMetrics.widthPixels
     private val vMargin by lazy { toDp(4, resources) }
     private val minHeight by lazy { toPx(56, resources) }
@@ -39,8 +41,11 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
         set(value) { field = value; showOrHideInputIfNeeded() }
 
     var text: String
-        get() { return inputBarEditText.text?.toString() ?: "" }
+        get() { return binding.inputBarEditText.text?.toString() ?: "" }
-        set(value) { inputBarEditText.setText(value) }
+        set(value) { binding.inputBarEditText.setText(value) }
+
+    val attachmentButtonsContainerHeight: Int
+        get() = binding.attachmentsButtonContainer.height
 
     private val attachmentsButton by lazy { InputBarButton(context, R.drawable.ic_plus_24) }
     private val microphoneButton by lazy { InputBarButton(context, R.drawable.ic_microphone) }
@@ -52,36 +57,36 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_input_bar, this)
+        binding = ViewInputBarBinding.inflate(LayoutInflater.from(context), this, true)
         // Attachments button
-        attachmentsButtonContainer.addView(attachmentsButton)
+        binding.attachmentsButtonContainer.addView(attachmentsButton)
-        attachmentsButton.layoutParams = RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT)
+        attachmentsButton.layoutParams = LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)
         attachmentsButton.onPress = { toggleAttachmentOptions() }
         // Microphone button
-        microphoneOrSendButtonContainer.addView(microphoneButton)
+        binding.microphoneOrSendButtonContainer.addView(microphoneButton)
-        microphoneButton.layoutParams = RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT)
+        microphoneButton.layoutParams = LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)
         microphoneButton.onLongPress = { startRecordingVoiceMessage() }
         microphoneButton.onMove = { delegate?.onMicrophoneButtonMove(it) }
         microphoneButton.onCancel = { delegate?.onMicrophoneButtonCancel(it) }
         microphoneButton.onUp = { delegate?.onMicrophoneButtonUp(it) }
         // Send button
-        microphoneOrSendButtonContainer.addView(sendButton)
+        binding.microphoneOrSendButtonContainer.addView(sendButton)
-        sendButton.layoutParams = RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT)
+        sendButton.layoutParams = LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT)
         sendButton.isVisible = false
         sendButton.onUp = { delegate?.sendMessage() }
         // Edit text
         val incognitoFlag = if (TextSecurePreferences.isIncognitoKeyboardEnabled(context)) 16777216 else 0
-        inputBarEditText.imeOptions = inputBarEditText.imeOptions or incognitoFlag // Always use incognito keyboard if setting enabled
+        binding.inputBarEditText.imeOptions = binding.inputBarEditText.imeOptions or incognitoFlag // Always use incognito keyboard if setting enabled
-        inputBarEditText.inputType = inputBarEditText.inputType or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES
+        binding.inputBarEditText.inputType = binding.inputBarEditText.inputType or InputType.TYPE_TEXT_FLAG_CAP_SENTENCES
-        inputBarEditText.delegate = this
+        binding.inputBarEditText.delegate = this
     }
     // endregion
 
     // region General
     private fun setHeight(newHeight: Int) {
-        val layoutParams = inputBarLinearLayout.layoutParams as LayoutParams
+        val layoutParams = binding.inputBarLinearLayout.layoutParams as LayoutParams
         layoutParams.height = newHeight
-        inputBarLinearLayout.layoutParams = layoutParams
+        binding.inputBarLinearLayout.layoutParams = layoutParams
         delegate?.inputBarHeightChanged(newHeight)
     }
     // endregion
@@ -94,7 +99,7 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
     }
 
     override fun inputBarEditTextHeightChanged(newValue: Int) {
-        val newHeight = max(newValue + 2 * vMargin, minHeight) + inputBarAdditionalContentContainer.height
+        val newHeight = max(newValue + 2 * vMargin, minHeight) + binding.inputBarAdditionalContentContainer.height
         setHeight(newHeight)
     }
 
@@ -117,10 +122,10 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
         quote = message
         linkPreview = null
         linkPreviewDraftView = null
-        inputBarAdditionalContentContainer.removeAllViews()
+        binding.inputBarAdditionalContentContainer.removeAllViews()
         val quoteView = QuoteView(context, QuoteView.Mode.Draft)
         quoteView.delegate = this
-        inputBarAdditionalContentContainer.addView(quoteView)
+        binding.inputBarAdditionalContentContainer.addView(quoteView)
         val attachments = (message as? MmsMessageRecord)?.slideDeck
         // The max content width is the screen width - 2 times the horizontal input bar padding - the
         // quote view content area's start and end margins. This unfortunately has to be calculated manually
@@ -132,15 +137,15 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
         // The 6 DP below is the padding the quote view applies to itself, which isn't included in the
         // intrinsic height calculation.
         val quoteViewIntrinsicHeight = quoteView.getIntrinsicHeight(maxContentWidth) + toPx(6, resources)
-        val newHeight = max(inputBarEditText.height + 2 * vMargin, minHeight) + quoteViewIntrinsicHeight
+        val newHeight = max(binding.inputBarEditText.height + 2 * vMargin, minHeight) + quoteViewIntrinsicHeight
         additionalContentHeight = quoteViewIntrinsicHeight
         setHeight(newHeight)
     }
 
     override fun cancelQuoteDraft() {
         quote = null
-        inputBarAdditionalContentContainer.removeAllViews()
+        binding.inputBarAdditionalContentContainer.removeAllViews()
-        val newHeight = max(inputBarEditText.height + 2 * vMargin, minHeight)
+        val newHeight = max(binding.inputBarEditText.height + 2 * vMargin, minHeight)
         additionalContentHeight = 0
         setHeight(newHeight)
     }
@@ -148,12 +153,12 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
     fun draftLinkPreview() {
         quote = null
         val linkPreviewDraftHeight = toPx(88, resources)
-        inputBarAdditionalContentContainer.removeAllViews()
+        binding.inputBarAdditionalContentContainer.removeAllViews()
         val linkPreviewDraftView = LinkPreviewDraftView(context)
         linkPreviewDraftView.delegate = this
         this.linkPreviewDraftView = linkPreviewDraftView
-        inputBarAdditionalContentContainer.addView(linkPreviewDraftView)
+        binding.inputBarAdditionalContentContainer.addView(linkPreviewDraftView)
-        val newHeight = max(inputBarEditText.height + 2 * vMargin, minHeight) + linkPreviewDraftHeight
+        val newHeight = max(binding.inputBarEditText.height + 2 * vMargin, minHeight) + linkPreviewDraftHeight
         additionalContentHeight = linkPreviewDraftHeight
         setHeight(newHeight)
     }
@@ -167,24 +172,32 @@ class InputBar : RelativeLayout, InputBarEditTextDelegate, QuoteViewDelegate, Li
     override fun cancelLinkPreviewDraft() {
         if (quote != null) { return }
         linkPreview = null
-        inputBarAdditionalContentContainer.removeAllViews()
+        binding.inputBarAdditionalContentContainer.removeAllViews()
-        val newHeight = max(inputBarEditText.height + 2 * vMargin, minHeight)
+        val newHeight = max(binding.inputBarEditText.height + 2 * vMargin, minHeight)
         additionalContentHeight = 0
         setHeight(newHeight)
     }
 
     private fun showOrHideInputIfNeeded() {
         if (showInput) {
-            setOf( inputBarEditText, attachmentsButton ).forEach { it.isVisible = true }
+            setOf( binding.inputBarEditText, attachmentsButton ).forEach { it.isVisible = true }
             microphoneButton.isVisible = text.isEmpty()
             sendButton.isVisible = text.isNotEmpty()
         } else {
             cancelQuoteDraft()
             cancelLinkPreviewDraft()
-            val views = setOf( inputBarEditText, attachmentsButton, microphoneButton, sendButton )
+            val views = setOf( binding.inputBarEditText, attachmentsButton, microphoneButton, sendButton )
             views.forEach { it.isVisible = false }
         }
     }
+
+    fun addTextChangedListener(textWatcher: TextWatcher) {
+        binding.inputBarEditText.addTextChangedListener(textWatcher)
+    }
+
+    fun setSelection(index: Int) {
+        binding.inputBarEditText.setSelection(index)
+    }
     // endregion
 }
 

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/input_bar/InputBarEditText.kt

@@ -45,8 +45,8 @@ class InputBarEditText : AppCompatEditText {
         delegate?.inputBarEditTextHeightChanged(constrainedHeight.roundToInt())
     }
 
-    override fun onCreateInputConnection(editorInfo: EditorInfo): InputConnection {
+    override fun onCreateInputConnection(editorInfo: EditorInfo): InputConnection? {
-        val ic: InputConnection = super.onCreateInputConnection(editorInfo)
+        val ic = super.onCreateInputConnection(editorInfo) ?: return null
         EditorInfoCompat.setContentMimeTypes(editorInfo, arrayOf("image/png", "image/gif", "image/jpg"))
 
         val callback =

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/input_bar/InputBarRecordingView.kt

@@ -8,40 +8,56 @@ import android.os.Handler
 import android.os.Looper
 import android.util.AttributeSet
 import android.view.LayoutInflater
+import android.widget.ImageView
+import android.widget.LinearLayout
 import android.widget.RelativeLayout
+import android.widget.TextView
 import androidx.core.content.res.ResourcesCompat
 import androidx.core.view.isVisible
-import kotlinx.android.synthetic.main.view_input_bar_recording.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewInputBarRecordingBinding
+import org.thoughtcrime.securesms.util.DateUtils
 import org.thoughtcrime.securesms.util.animateSizeChange
 import org.thoughtcrime.securesms.util.disableClipping
 import org.thoughtcrime.securesms.util.toPx
-import org.thoughtcrime.securesms.util.DateUtils
+import java.util.Date
-import java.util.*
 
 class InputBarRecordingView : RelativeLayout {
+    private lateinit var binding: ViewInputBarRecordingBinding
     private var startTimestamp = 0L
     private val snHandler = Handler(Looper.getMainLooper())
     private var dotViewAnimation: ValueAnimator? = null
     private var pulseAnimation: ValueAnimator? = null
     var delegate: InputBarRecordingViewDelegate? = null
 
+    val lockView: LinearLayout
+        get() = binding.lockView
+
+    val chevronImageView: ImageView
+        get() = binding.inputBarChevronImageView
+
+    val slideToCancelTextView: TextView
+        get() = binding.inputBarSlideToCancelTextView
+
+    val recordButtonOverlay: RelativeLayout
+        get() = binding.recordButtonOverlay
+
     constructor(context: Context) : super(context) { initialize() }
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs) { initialize() }
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_input_bar_recording, this)
+        binding = ViewInputBarRecordingBinding.inflate(LayoutInflater.from(context), this, true)
-        inputBarMiddleContentContainer.disableClipping()
+        binding.inputBarMiddleContentContainer.disableClipping()
-        inputBarCancelButton.setOnClickListener { hide() }
+        binding.inputBarCancelButton.setOnClickListener { hide() }
     }
 
     fun show() {
         startTimestamp = Date().time
-        recordButtonOverlayImageView.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.ic_microphone, context.theme))
+        binding.recordButtonOverlayImageView.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.ic_microphone, context.theme))
-        inputBarCancelButton.alpha = 0.0f
+        binding.inputBarCancelButton.alpha = 0.0f
-        inputBarMiddleContentContainer.alpha = 1.0f
+        binding.inputBarMiddleContentContainer.alpha = 1.0f
-        lockView.alpha = 1.0f
+        binding.lockView.alpha = 1.0f
         isVisible = true
         alpha = 0.0f
         val animation = ValueAnimator.ofObject(FloatEvaluator(), 0.0f, 1.0f)
@@ -77,7 +93,7 @@ class InputBarRecordingView : RelativeLayout {
         dotViewAnimation = animation
         animation.duration = 500L
         animation.addUpdateListener { animator ->
-            dotView.alpha = animator.animatedValue as Float
+            binding.dotView.alpha = animator.animatedValue as Float
         }
         animation.repeatCount = ValueAnimator.INFINITE
         animation.repeatMode = ValueAnimator.REVERSE
@@ -87,12 +103,12 @@ class InputBarRecordingView : RelativeLayout {
     private fun pulse() {
         val collapsedSize = toPx(80.0f, resources)
         val expandedSize = toPx(104.0f, resources)
-        pulseView.animateSizeChange(collapsedSize, expandedSize, 1000)
+        binding.pulseView.animateSizeChange(collapsedSize, expandedSize, 1000)
         val animation = ValueAnimator.ofObject(FloatEvaluator(), 0.5, 0.0f)
         pulseAnimation = animation
         animation.duration = 1000L
         animation.addUpdateListener { animator ->
-            pulseView.alpha = animator.animatedValue as Float
+            binding.pulseView.alpha = animator.animatedValue as Float
             if (animator.animatedFraction == 1.0f && isVisible) { pulse() }
         }
         animation.start()
@@ -101,21 +117,21 @@ class InputBarRecordingView : RelativeLayout {
     private fun animateLockViewUp() {
         val startMarginBottom = toPx(32, resources)
         val endMarginBottom = toPx(72, resources)
-        val layoutParams = lockView.layoutParams as LayoutParams
+        val layoutParams = binding.lockView.layoutParams as LayoutParams
         layoutParams.bottomMargin = startMarginBottom
-        lockView.layoutParams = layoutParams
+        binding.lockView.layoutParams = layoutParams
         val animation = ValueAnimator.ofObject(IntEvaluator(), startMarginBottom, endMarginBottom)
         animation.duration = 250L
         animation.addUpdateListener { animator ->
             layoutParams.bottomMargin = animator.animatedValue as Int
-            lockView.layoutParams = layoutParams
+            binding.lockView.layoutParams = layoutParams
         }
         animation.start()
     }
 
     private fun updateTimer() {
         val duration = (Date().time - startTimestamp) / 1000L
-        recordingViewDurationTextView.text = DateUtils.formatElapsedTime(duration)
+        binding.recordingViewDurationTextView.text = DateUtils.formatElapsedTime(duration)
         snHandler.postDelayed({ updateTimer() }, 500)
     }
 
@@ -123,19 +139,19 @@ class InputBarRecordingView : RelativeLayout {
         val fadeOutAnimation = ValueAnimator.ofObject(FloatEvaluator(), 1.0f, 0.0f)
         fadeOutAnimation.duration = 250L
         fadeOutAnimation.addUpdateListener { animator ->
-            inputBarMiddleContentContainer.alpha = animator.animatedValue as Float
+            binding.inputBarMiddleContentContainer.alpha = animator.animatedValue as Float
-            lockView.alpha = animator.animatedValue as Float
+            binding.lockView.alpha = animator.animatedValue as Float
         }
         fadeOutAnimation.start()
         val fadeInAnimation = ValueAnimator.ofObject(FloatEvaluator(), 0.0f, 1.0f)
         fadeInAnimation.duration = 250L
         fadeInAnimation.addUpdateListener { animator ->
-            inputBarCancelButton.alpha = animator.animatedValue as Float
+            binding.inputBarCancelButton.alpha = animator.animatedValue as Float
         }
         fadeInAnimation.start()
-        recordButtonOverlayImageView.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.ic_arrow_up, context.theme))
+        binding.recordButtonOverlayImageView.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.ic_arrow_up, context.theme))
-        recordButtonOverlay.setOnClickListener { delegate?.sendVoiceMessage() }
+        binding.recordButtonOverlay.setOnClickListener { delegate?.sendVoiceMessage() }
-        inputBarCancelButton.setOnClickListener { delegate?.cancelVoiceMessage() }
+        binding.inputBarCancelButton.setOnClickListener { delegate?.cancelVoiceMessage() }
     }
 }
 

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/input_bar/mentions/MentionCandidateView.kt

@@ -4,33 +4,29 @@ import android.content.Context
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
-import android.widget.LinearLayout
 import android.widget.RelativeLayout
-import kotlinx.android.synthetic.main.view_mention_candidate.view.*
+import network.loki.messenger.databinding.ViewMentionCandidateV2Binding
-import network.loki.messenger.R
 import org.session.libsession.messaging.mentions.Mention
 import org.session.libsession.messaging.open_groups.OpenGroupAPIV2
 import org.thoughtcrime.securesms.mms.GlideRequests
 
-class MentionCandidateView(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : RelativeLayout(context, attrs, defStyleAttr) {
+class MentionCandidateView : RelativeLayout {
+    private lateinit var binding: ViewMentionCandidateV2Binding
     var candidate = Mention("", "")
         set(newValue) { field = newValue; update() }
     var glide: GlideRequests? = null
     var openGroupServer: String? = null
     var openGroupRoom: String? = null
 
-    constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)
     constructor(context: Context) : this(context, null)
+    constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
-    companion object {
+    private fun initialize() {
-
+        binding = ViewMentionCandidateV2Binding.inflate(LayoutInflater.from(context), this, true)
-        fun inflate(layoutInflater: LayoutInflater, parent: ViewGroup): MentionCandidateView {
-            return layoutInflater.inflate(R.layout.view_mention_candidate_v2, parent, false) as MentionCandidateView
-        }
     }
 
-    private fun update() {
+    private fun update() = with(binding) {
         mentionCandidateNameTextView.text = candidate.displayName
         profilePictureView.publicKey = candidate.publicKey
         profilePictureView.displayName = candidate.displayName

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/input_bar/mentions/MentionCandidatesView.kt

@@ -2,7 +2,6 @@ package org.thoughtcrime.securesms.conversation.v2.input_bar.mentions
 
 import android.content.Context
 import android.util.AttributeSet
-import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.BaseAdapter
@@ -42,7 +41,7 @@ class MentionCandidatesView(context: Context, attrs: AttributeSet?, defStyleAttr
         override fun getItem(position: Int): Mention { return candidates[position] }
 
         override fun getView(position: Int, cellToBeReused: View?, parent: ViewGroup): View {
-            val cell = cellToBeReused as MentionCandidateView? ?: MentionCandidateView.inflate(LayoutInflater.from(context), parent)
+            val cell = cellToBeReused as MentionCandidateView? ?: MentionCandidateView(context)
             val mentionCandidate = getItem(position)
             cell.glide = glide
             cell.candidate = mentionCandidate

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/menus/ConversationMenuHelper.kt

@@ -12,7 +12,6 @@ import android.os.AsyncTask
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
-import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
 import android.widget.Toast
@@ -24,7 +23,6 @@ import androidx.appcompat.widget.SearchView.OnQueryTextListener
 import androidx.core.content.pm.ShortcutInfoCompat
 import androidx.core.content.pm.ShortcutManagerCompat
 import androidx.core.graphics.drawable.IconCompat
-import kotlinx.android.synthetic.main.activity_conversation_v2.*
 import network.loki.messenger.R
 import org.session.libsession.messaging.messages.control.ExpirationTimerUpdate
 import org.session.libsession.messaging.sending_receiving.MessageSender
@@ -35,7 +33,12 @@ import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsession.utilities.recipients.Recipient
 import org.session.libsignal.utilities.guava.Optional
 import org.session.libsignal.utilities.toHexString
-import org.thoughtcrime.securesms.*
+import org.thoughtcrime.securesms.ApplicationContext
+import org.thoughtcrime.securesms.ExpirationDialog
+import org.thoughtcrime.securesms.MediaOverviewActivity
+import org.thoughtcrime.securesms.MuteDialog
+import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
+import org.thoughtcrime.securesms.ShortcutLauncherActivity
 import org.thoughtcrime.securesms.contacts.SelectContactsActivity
 import org.thoughtcrime.securesms.conversation.v2.ConversationActivityV2
 import org.thoughtcrime.securesms.conversation.v2.utilities.NotificationUtils
@@ -101,15 +104,12 @@ object ConversationMenuHelper {
         val searchViewItem = menu.findItem(R.id.menu_search)
         (context as ConversationActivityV2).searchViewItem = searchViewItem
         val searchView = searchViewItem.actionView as SearchView
-        val searchViewModel = context.searchViewModel!!
         val queryListener = object : OnQueryTextListener {
             override fun onQueryTextSubmit(query: String): Boolean {
                 return true
             }
 
             override fun onQueryTextChange(query: String): Boolean {
-                searchViewModel.onQueryUpdated(query, threadId)
-                context.searchBottomBar.showLoading()
                 context.onSearchQueryUpdated(query)
                 return true
             }
@@ -117,10 +117,7 @@ object ConversationMenuHelper {
         searchViewItem.setOnActionExpandListener(object : MenuItem.OnActionExpandListener {
             override fun onMenuItemActionExpand(item: MenuItem): Boolean {
                 searchView.setOnQueryTextListener(queryListener)
-                searchViewModel.onSearchOpened()
+                context.onSearchOpened()
-                context.searchBottomBar.visibility = View.VISIBLE
-                context.searchBottomBar.setData(0, 0)
-                context.inputBar.visibility = View.GONE
                 for (i in 0 until menu.size()) {
                     if (menu.getItem(i) != searchViewItem) {
                         menu.getItem(i).isVisible = false
@@ -131,11 +128,7 @@ object ConversationMenuHelper {
 
             override fun onMenuItemActionCollapse(item: MenuItem): Boolean {
                 searchView.setOnQueryTextListener(null)
-                searchViewModel.onSearchClosed()
+                context.onSearchClosed()
-                context.searchBottomBar.visibility = View.GONE
-                context.inputBar.visibility = View.VISIBLE
-                context.onSearchQueryUpdated(null)
-                context.invalidateOptionsMenu()
                 return true
             }
         })
@@ -169,7 +162,7 @@ object ConversationMenuHelper {
     }
 
     private fun search(context: Context) {
-        val searchViewModel = (context as ConversationActivityV2).searchViewModel!!
+        val searchViewModel = (context as ConversationActivityV2).searchViewModel
         searchViewModel.onSearchOpened()
     }
 

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/ControlMessageView.kt

@@ -7,35 +7,41 @@ import android.view.View
 import android.widget.LinearLayout
 import androidx.core.content.res.ResourcesCompat
 import androidx.recyclerview.widget.RecyclerView
-import kotlinx.android.synthetic.main.view_control_message.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewControlMessageBinding
 import org.thoughtcrime.securesms.database.model.MessageRecord
 
 class ControlMessageView : LinearLayout {
 
+    private lateinit var binding: ViewControlMessageBinding
+
     // region Lifecycle
     constructor(context: Context) : super(context) { initialize() }
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs) { initialize() }
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_control_message, this)
+        binding = ViewControlMessageBinding.inflate(LayoutInflater.from(context), this, true)
         layoutParams = RecyclerView.LayoutParams(RecyclerView.LayoutParams.MATCH_PARENT, RecyclerView.LayoutParams.WRAP_CONTENT)
     }
     // endregion
 
     // region Updating
     fun bind(message: MessageRecord, previous: MessageRecord?) {
-        dateBreakTextView.showDateBreak(message, previous)
+        binding.dateBreakTextView.showDateBreak(message, previous)
-        iconImageView.visibility = View.GONE
+        binding.iconImageView.visibility = View.GONE
         if (message.isExpirationTimerUpdate) {
-            iconImageView.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.ic_timer, context.theme))
+            binding.iconImageView.setImageDrawable(
-            iconImageView.visibility = View.VISIBLE
+                ResourcesCompat.getDrawable(resources, R.drawable.ic_timer, context.theme)
+            )
+            binding.iconImageView.visibility = View.VISIBLE
         } else if (message.isMediaSavedNotification) {
-            iconImageView.setImageDrawable(ResourcesCompat.getDrawable(resources, R.drawable.ic_file_download_white_36dp, context.theme))
+            binding.iconImageView.setImageDrawable(
-            iconImageView.visibility = View.VISIBLE
+                ResourcesCompat.getDrawable(resources, R.drawable.ic_file_download_white_36dp, context.theme)
+            )
+            binding.iconImageView.visibility = View.VISIBLE
         }
-        textView.text = message.getDisplayBody(context)
+        binding.textView.text = message.getDisplayBody(context)
     }
 
     fun recycle() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/DeletedMessageView.kt

@@ -6,32 +6,28 @@ import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.LinearLayout
 import androidx.annotation.ColorInt
-import kotlinx.android.synthetic.main.fragment_conversation_bottom_sheet.view.*
-import kotlinx.android.synthetic.main.view_deleted_message.view.*
-import kotlinx.android.synthetic.main.view_document.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewDeletedMessageBinding
 import org.thoughtcrime.securesms.database.model.MessageRecord
-import org.thoughtcrime.securesms.database.model.MmsMessageRecord
-import java.util.*
 
 class DeletedMessageView : LinearLayout {
-
+    private lateinit var binding: ViewDeletedMessageBinding
     // region Lifecycle
     constructor(context: Context) : super(context) { initialize() }
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs) { initialize() }
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_deleted_message, this)
+        binding = ViewDeletedMessageBinding.inflate(LayoutInflater.from(context), this, true)
     }
     // endregion
 
     // region Updating
     fun bind(message: MessageRecord, @ColorInt textColor: Int) {
         assert(message.isDeleted)
-        deleteTitleTextView.text = context.getString(R.string.deleted_message)
+        binding.deleteTitleTextView.text = context.getString(R.string.deleted_message)
-        deleteTitleTextView.setTextColor(textColor)
+        binding.deleteTitleTextView.setTextColor(textColor)
-        deletedMessageViewIconImageView.imageTintList = ColorStateList.valueOf(textColor)
+        binding.deletedMessageViewIconImageView.imageTintList = ColorStateList.valueOf(textColor)
     }
     // endregion
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/DocumentView.kt

@@ -6,29 +6,27 @@ import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.widget.LinearLayout
 import androidx.annotation.ColorInt
-import kotlinx.android.synthetic.main.view_document.view.*
+import network.loki.messenger.databinding.ViewDocumentBinding
-import network.loki.messenger.R
-import org.thoughtcrime.securesms.database.model.MessageRecord
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord
 
 class DocumentView : LinearLayout {
-
+    private lateinit var binding: ViewDocumentBinding
     // region Lifecycle
     constructor(context: Context) : super(context) { initialize() }
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs) { initialize() }
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_document, this)
+        binding = ViewDocumentBinding.inflate(LayoutInflater.from(context), this, true)
     }
     // endregion
 
     // region Updating
     fun bind(message: MmsMessageRecord, @ColorInt textColor: Int) {
         val document = message.slideDeck.documentSlide!!
-        documentTitleTextView.text = document.fileName.or("Untitled File")
+        binding.documentTitleTextView.text = document.fileName.or("Untitled File")
-        documentTitleTextView.setTextColor(textColor)
+        binding.documentTitleTextView.setTextColor(textColor)
-        documentViewIconImageView.imageTintList = ColorStateList.valueOf(textColor)
+        binding.documentViewIconImageView.imageTintList = ColorStateList.valueOf(textColor)
     }
     // endregion
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/LinkPreviewView.kt

@@ -11,8 +11,8 @@ import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.res.ResourcesCompat
 import androidx.core.view.isVisible
-import kotlinx.android.synthetic.main.view_link_preview.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewLinkPreviewBinding
 import org.thoughtcrime.securesms.components.CornerMask
 import org.thoughtcrime.securesms.conversation.v2.ModalUrlBottomSheet
 import org.thoughtcrime.securesms.conversation.v2.utilities.MessageBubbleUtilities
@@ -23,6 +23,7 @@ import org.thoughtcrime.securesms.mms.ImageSlide
 import org.thoughtcrime.securesms.util.UiModeUtilities
 
 class LinkPreviewView : LinearLayout {
+    private lateinit var binding: ViewLinkPreviewBinding
     private val cornerMask by lazy { CornerMask(this) }
     private var url: String? = null
     lateinit var bodyTextView: TextView
@@ -33,7 +34,7 @@ class LinkPreviewView : LinearLayout {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_link_preview, this)
+        binding = ViewLinkPreviewBinding.inflate(LayoutInflater.from(context), this, true)
     }
     // endregion
 
@@ -44,20 +45,20 @@ class LinkPreviewView : LinearLayout {
         // Thumbnail
         if (linkPreview.getThumbnail().isPresent) {
             // This internally fetches the thumbnail
-            thumbnailImageView.setImageResource(glide, ImageSlide(context, linkPreview.getThumbnail().get()), isPreview = false, message)
+            binding.thumbnailImageView.setImageResource(glide, ImageSlide(context, linkPreview.getThumbnail().get()), isPreview = false, message)
-            thumbnailImageView.loadIndicator.isVisible = false
+            binding.thumbnailImageView.loadIndicator.isVisible = false
         }
         // Title
-        titleTextView.text = linkPreview.title
+        binding.titleTextView.text = linkPreview.title
         val textColorID = if (message.isOutgoing && UiModeUtilities.isDayUiMode(context)) {
             R.color.white
         } else {
             if (UiModeUtilities.isDayUiMode(context)) R.color.black else R.color.white
         }
-        titleTextView.setTextColor(ResourcesCompat.getColor(resources, textColorID, context.theme))
+        binding.titleTextView.setTextColor(ResourcesCompat.getColor(resources, textColorID, context.theme))
         // Body
         bodyTextView = VisibleMessageContentView.getBodyTextView(context, message, searchQuery)
-        mainLinkPreviewContainer.addView(bodyTextView)
+        binding.mainLinkPreviewContainer.addView(bodyTextView)
         // Corner radii
         val cornerRadii = MessageBubbleUtilities.calculateRadii(context, isStartOfMessageCluster, isEndOfMessageCluster, message.isOutgoing)
         cornerMask.setTopLeftRadius(cornerRadii[0])
@@ -78,7 +79,7 @@ class LinkPreviewView : LinearLayout {
         val rawYInt = event.rawY.toInt()
         val hitRect = Rect(rawXInt, rawYInt, rawXInt, rawYInt)
         val previewRect = Rect()
-        mainLinkPreviewParent.getGlobalVisibleRect(previewRect)
+        binding.mainLinkPreviewParent.getGlobalVisibleRect(previewRect)
         if (previewRect.contains(hitRect)) {
             openURL()
             return

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/OpenGroupInvitationView.kt

@@ -6,15 +6,15 @@ import android.view.LayoutInflater
 import android.widget.LinearLayout
 import androidx.annotation.ColorInt
 import androidx.appcompat.app.AppCompatActivity
-import kotlinx.android.synthetic.main.view_open_group_invitation.view.*
 import network.loki.messenger.R
-import org.session.libsession.messaging.open_groups.OpenGroupV2
+import network.loki.messenger.databinding.ViewOpenGroupInvitationBinding
 import org.session.libsession.messaging.utilities.UpdateMessageData
 import org.session.libsession.utilities.OpenGroupUrlParser
 import org.thoughtcrime.securesms.conversation.v2.dialogs.JoinOpenGroupDialog
 import org.thoughtcrime.securesms.database.model.MessageRecord
 
 class OpenGroupInvitationView : LinearLayout {
+    private lateinit var binding: ViewOpenGroupInvitationBinding
     private var data: UpdateMessageData.Kind.OpenGroupInvitation? = null
 
     constructor(context: Context): super(context) { initialize() }
@@ -22,7 +22,7 @@ class OpenGroupInvitationView : LinearLayout {
     constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int): super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_open_group_invitation, this)
+        binding = ViewOpenGroupInvitationBinding.inflate(LayoutInflater.from(context), this, true)
     }
 
     fun bind(message: MessageRecord, @ColorInt textColor: Int) {
@@ -31,12 +31,14 @@ class OpenGroupInvitationView : LinearLayout {
         val data = umd.kind as UpdateMessageData.Kind.OpenGroupInvitation
         this.data = data
         val iconID = if (message.isOutgoing) R.drawable.ic_globe else R.drawable.ic_plus
-        openGroupInvitationIconImageView.setImageResource(iconID)
+        with(binding){
-        openGroupTitleTextView.text = data.groupName
+            openGroupInvitationIconImageView.setImageResource(iconID)
-        openGroupURLTextView.text = OpenGroupUrlParser.trimQueryParameter(data.groupUrl)
+            openGroupTitleTextView.text = data.groupName
-        openGroupTitleTextView.setTextColor(textColor)
+            openGroupURLTextView.text = OpenGroupUrlParser.trimQueryParameter(data.groupUrl)
-        openGroupJoinMessageTextView.setTextColor(textColor)
+            openGroupTitleTextView.setTextColor(textColor)
-        openGroupURLTextView.setTextColor(textColor)
+            openGroupJoinMessageTextView.setTextColor(textColor)
+            openGroupURLTextView.setTextColor(textColor)
+        }
     }
 
     fun joinOpenGroup() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/QuoteView.kt

@@ -11,8 +11,8 @@ import androidx.core.content.res.ResourcesCompat
 import androidx.core.text.toSpannable
 import androidx.core.view.isVisible
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.android.synthetic.main.view_quote.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewQuoteBinding
 import org.session.libsession.messaging.contacts.Contact
 import org.session.libsession.utilities.recipients.Recipient
 import org.thoughtcrime.securesms.conversation.v2.utilities.MentionUtilities
@@ -39,6 +39,7 @@ class QuoteView : LinearLayout {
 
     @Inject lateinit var contactDb: SessionContactDatabase
 
+    private lateinit var binding: ViewQuoteBinding
     private lateinit var mode: Mode
     private val vPadding by lazy { toPx(6, resources) }
     var delegate: QuoteViewDelegate? = null
@@ -52,19 +53,19 @@ class QuoteView : LinearLayout {
 
     constructor(context: Context, mode: Mode) : super(context) {
         this.mode = mode
-        LayoutInflater.from(context).inflate(R.layout.view_quote, this)
+        binding = ViewQuoteBinding.inflate(LayoutInflater.from(context), this, true)
-        // Add padding here (not on mainQuoteViewContainer) to get a bit of a top inset while avoiding
+        // Add padding here (not on binding.mainQuoteViewContainer) to get a bit of a top inset while avoiding
         // the clipping issue described in getIntrinsicHeight(maxContentWidth:).
         setPadding(0, toPx(6, resources), 0, 0)
         when (mode) {
-            Mode.Draft -> quoteViewCancelButton.setOnClickListener { delegate?.cancelQuoteDraft() }
+            Mode.Draft -> binding.quoteViewCancelButton.setOnClickListener { delegate?.cancelQuoteDraft() }
             Mode.Regular -> {
-                quoteViewCancelButton.isVisible = false
+                binding.quoteViewCancelButton.isVisible = false
-                mainQuoteViewContainer.setBackgroundColor(ResourcesCompat.getColor(resources, R.color.transparent, context.theme))
+                binding.mainQuoteViewContainer.setBackgroundColor(ResourcesCompat.getColor(resources, R.color.transparent, context.theme))
-                val quoteViewMainContentContainerLayoutParams = quoteViewMainContentContainer.layoutParams as RelativeLayout.LayoutParams
+                val quoteViewMainContentContainerLayoutParams = binding.quoteViewMainContentContainer.layoutParams as RelativeLayout.LayoutParams
                 // Since we're not showing the cancel button we can shorten the end margin
                 quoteViewMainContentContainerLayoutParams.marginEnd = resources.getDimension(R.dimen.medium_spacing).roundToInt()
-                quoteViewMainContentContainer.layoutParams = quoteViewMainContentContainerLayoutParams
+                binding.quoteViewMainContentContainer.layoutParams = quoteViewMainContentContainerLayoutParams
             }
         }
     }
@@ -73,19 +74,19 @@ class QuoteView : LinearLayout {
     // region General
     fun getIntrinsicContentHeight(maxContentWidth: Int): Int {
         // If we're showing an attachment thumbnail, just constrain to the height of that
-        if (quoteViewAttachmentPreviewContainer.isVisible) { return toPx(40, resources) }
+        if (binding.quoteViewAttachmentPreviewContainer.isVisible) { return toPx(40, resources) }
         var result = 0
         var authorTextViewIntrinsicHeight = 0
-        if (quoteViewAuthorTextView.isVisible) {
+        if (binding.quoteViewAuthorTextView.isVisible) {
-            val author = quoteViewAuthorTextView.text
+            val author = binding.quoteViewAuthorTextView.text
-            authorTextViewIntrinsicHeight = TextUtilities.getIntrinsicHeight(author, quoteViewAuthorTextView.paint, maxContentWidth)
+            authorTextViewIntrinsicHeight = TextUtilities.getIntrinsicHeight(author, binding.quoteViewAuthorTextView.paint, maxContentWidth)
             result += authorTextViewIntrinsicHeight
         }
-        val body = quoteViewBodyTextView.text
+        val body = binding.quoteViewBodyTextView.text
-        val bodyTextViewIntrinsicHeight = TextUtilities.getIntrinsicHeight(body, quoteViewBodyTextView.paint, maxContentWidth)
+        val bodyTextViewIntrinsicHeight = TextUtilities.getIntrinsicHeight(body, binding.quoteViewBodyTextView.paint, maxContentWidth)
-        val staticLayout = TextUtilities.getIntrinsicLayout(body, quoteViewBodyTextView.paint, maxContentWidth)
+        val staticLayout = TextUtilities.getIntrinsicLayout(body, binding.quoteViewBodyTextView.paint, maxContentWidth)
         result += bodyTextViewIntrinsicHeight
-        if (!quoteViewAuthorTextView.isVisible) {
+        if (!binding.quoteViewAuthorTextView.isVisible) {
             // We want to at least be as high as the cancel button 36DP, and no higher than 3 lines of text.
             // Height from intrinsic layout is the height of the text before truncation so we shorten
             // proportionally to our max lines setting.
@@ -115,82 +116,90 @@ class QuoteView : LinearLayout {
         // Reduce the max body text view line count to 2 if this is a group thread because
         // we'll be showing the author text view and we don't want the overall quote view height
         // to get too big.
-        quoteViewBodyTextView.maxLines = if (thread.isGroupRecipient) 2 else 3
+        binding.quoteViewBodyTextView.maxLines = if (thread.isGroupRecipient) 2 else 3
         // Author
         if (thread.isGroupRecipient) {
             val author = contactDb.getContactWithSessionID(authorPublicKey)
             val authorDisplayName = author?.displayName(Contact.contextForRecipient(thread)) ?: authorPublicKey
-            quoteViewAuthorTextView.text = authorDisplayName
+            binding.quoteViewAuthorTextView.text = authorDisplayName
-            quoteViewAuthorTextView.setTextColor(getTextColor(isOutgoingMessage))
+            binding.quoteViewAuthorTextView.setTextColor(getTextColor(isOutgoingMessage))
         }
-        quoteViewAuthorTextView.isVisible = thread.isGroupRecipient
+        binding.quoteViewAuthorTextView.isVisible = thread.isGroupRecipient
         // Body
-        quoteViewBodyTextView.text = if (isOpenGroupInvitation) resources.getString(R.string.open_group_invitation_view__open_group_invitation) else MentionUtilities.highlightMentions((body ?: "").toSpannable(), threadID, context);
+        binding.quoteViewBodyTextView.text = if (isOpenGroupInvitation) resources.getString(R.string.open_group_invitation_view__open_group_invitation) else MentionUtilities.highlightMentions((body ?: "").toSpannable(), threadID, context);
-        quoteViewBodyTextView.setTextColor(getTextColor(isOutgoingMessage))
+        binding.quoteViewBodyTextView.setTextColor(getTextColor(isOutgoingMessage))
         // Accent line / attachment preview
         val hasAttachments = (attachments != null && attachments.asAttachments().isNotEmpty()) && !isOriginalMissing
-        quoteViewAccentLine.isVisible = !hasAttachments
+        binding.quoteViewAccentLine.isVisible = !hasAttachments
-        quoteViewAttachmentPreviewContainer.isVisible = hasAttachments
+        binding.quoteViewAttachmentPreviewContainer.isVisible = hasAttachments
         if (!hasAttachments) {
-            val accentLineLayoutParams = quoteViewAccentLine.layoutParams as RelativeLayout.LayoutParams
+            val accentLineLayoutParams = binding.quoteViewAccentLine.layoutParams as RelativeLayout.LayoutParams
             accentLineLayoutParams.height = getIntrinsicContentHeight(maxContentWidth) // Match the intrinsic * content * height
-            quoteViewAccentLine.layoutParams = accentLineLayoutParams
+            binding.quoteViewAccentLine.layoutParams = accentLineLayoutParams
-            quoteViewAccentLine.setBackgroundColor(getLineColor(isOutgoingMessage))
+            binding.quoteViewAccentLine.setBackgroundColor(getLineColor(isOutgoingMessage))
         } else if (attachments != null) {
-            quoteViewAttachmentPreviewImageView.imageTintList = ColorStateList.valueOf(ResourcesCompat.getColor(resources, R.color.white, context.theme))
+            binding.quoteViewAttachmentPreviewImageView.imageTintList = ColorStateList.valueOf(ResourcesCompat.getColor(resources, R.color.white, context.theme))
             val backgroundColorID = if (UiModeUtilities.isDayUiMode(context)) R.color.black else R.color.accent
             val backgroundColor = ResourcesCompat.getColor(resources, backgroundColorID, context.theme)
-            quoteViewAttachmentPreviewContainer.backgroundTintList = ColorStateList.valueOf(backgroundColor)
+            binding.quoteViewAttachmentPreviewContainer.backgroundTintList = ColorStateList.valueOf(backgroundColor)
-            quoteViewAttachmentPreviewImageView.isVisible = false
+            binding.quoteViewAttachmentPreviewImageView.isVisible = false
-            quoteViewAttachmentThumbnailImageView.isVisible = false
+            binding.quoteViewAttachmentThumbnailImageView.isVisible = false
-            if (attachments.audioSlide != null) {
+            when {
-                quoteViewAttachmentPreviewImageView.setImageResource(R.drawable.ic_microphone)
+                attachments.audioSlide != null -> {
-                quoteViewAttachmentPreviewImageView.isVisible = true
+                    binding.quoteViewAttachmentPreviewImageView.setImageResource(R.drawable.ic_microphone)
-                quoteViewBodyTextView.text = resources.getString(R.string.Slide_audio)
+                    binding.quoteViewAttachmentPreviewImageView.isVisible = true
-            } else if (attachments.documentSlide != null) {
+                    binding.quoteViewBodyTextView.text = resources.getString(R.string.Slide_audio)
-                quoteViewAttachmentPreviewImageView.setImageResource(R.drawable.ic_document_large_light)
+                }
-                quoteViewAttachmentPreviewImageView.isVisible = true
+                attachments.documentSlide != null -> {
-                quoteViewBodyTextView.text = resources.getString(R.string.document)
+                    binding.quoteViewAttachmentPreviewImageView.setImageResource(R.drawable.ic_document_large_light)
-            } else if (attachments.thumbnailSlide != null) {
+                    binding.quoteViewAttachmentPreviewImageView.isVisible = true
-                val slide = attachments.thumbnailSlide!!
+                    binding.quoteViewBodyTextView.text = resources.getString(R.string.document)
-                // This internally fetches the thumbnail
+                }
-                quoteViewAttachmentThumbnailImageView.radius = toPx(4, resources)
+                attachments.thumbnailSlide != null -> {
-                quoteViewAttachmentThumbnailImageView.setImageResource(glide, slide, false, false)
+                    val slide = attachments.thumbnailSlide!!
-                quoteViewAttachmentThumbnailImageView.isVisible = true
+                    // This internally fetches the thumbnail
-                quoteViewBodyTextView.text = if (MediaUtil.isVideo(slide.asAttachment())) resources.getString(R.string.Slide_video) else resources.getString(R.string.Slide_image)
+                    binding.quoteViewAttachmentThumbnailImageView.radius = toPx(4, resources)
+                    binding.quoteViewAttachmentThumbnailImageView.setImageResource(glide, slide, false, false)
+                    binding.quoteViewAttachmentThumbnailImageView.isVisible = true
+                    binding.quoteViewBodyTextView.text = if (MediaUtil.isVideo(slide.asAttachment())) resources.getString(R.string.Slide_video) else resources.getString(R.string.Slide_image)
+                }
             }
         }
-        mainQuoteViewContainer.layoutParams = LayoutParams(LayoutParams.WRAP_CONTENT, getIntrinsicHeight(maxContentWidth))
+        binding.mainQuoteViewContainer.layoutParams = LayoutParams(LayoutParams.WRAP_CONTENT, getIntrinsicHeight(maxContentWidth))
-        val quoteViewMainContentContainerLayoutParams = quoteViewMainContentContainer.layoutParams as RelativeLayout.LayoutParams
+        val quoteViewMainContentContainerLayoutParams = binding.quoteViewMainContentContainer.layoutParams as RelativeLayout.LayoutParams
         // The start margin is different if we just show the accent line vs if we show an attachment thumbnail
         quoteViewMainContentContainerLayoutParams.marginStart = if (!hasAttachments) toPx(16, resources) else toPx(48, resources)
-        quoteViewMainContentContainer.layoutParams = quoteViewMainContentContainerLayoutParams
+        binding.quoteViewMainContentContainer.layoutParams = quoteViewMainContentContainerLayoutParams
     }
     // endregion
 
     // region Convenience
     @ColorInt private fun getLineColor(isOutgoingMessage: Boolean): Int {
         val isLightMode = UiModeUtilities.isDayUiMode(context)
-        if ((mode == Mode.Regular && isLightMode) || (mode == Mode.Draft && isLightMode)) {
+        return when {
-            return ResourcesCompat.getColor(resources, R.color.black, context.theme)
+            mode == Mode.Regular && isLightMode || mode == Mode.Draft && isLightMode -> {
-        } else if (mode == Mode.Regular && !isLightMode) {
+                ResourcesCompat.getColor(resources, R.color.black, context.theme)
-            if (isOutgoingMessage) {
+            }
-                return ResourcesCompat.getColor(resources, R.color.black, context.theme)
+            mode == Mode.Regular && !isLightMode -> {
-            } else {
+                if (isOutgoingMessage) {
-                return ResourcesCompat.getColor(resources, R.color.accent, context.theme)
+                    ResourcesCompat.getColor(resources, R.color.black, context.theme)
+                } else {
+                    ResourcesCompat.getColor(resources, R.color.accent, context.theme)
+                }
+            }
+            else -> { // Draft & dark mode
+                ResourcesCompat.getColor(resources, R.color.accent, context.theme)
             }
-        } else { // Draft & dark mode
-            return ResourcesCompat.getColor(resources, R.color.accent, context.theme)
         }
     }
 
     @ColorInt private fun getTextColor(isOutgoingMessage: Boolean): Int {
         if (mode == Mode.Draft) { return ResourcesCompat.getColor(resources, R.color.text, context.theme) }
         val isLightMode = UiModeUtilities.isDayUiMode(context)
-        if ((isOutgoingMessage && !isLightMode) || (!isOutgoingMessage && isLightMode)) {
+        return if ((isOutgoingMessage && !isLightMode) || (!isOutgoingMessage && isLightMode)) {
-            return ResourcesCompat.getColor(resources, R.color.black, context.theme)
+            ResourcesCompat.getColor(resources, R.color.black, context.theme)
         } else {
-            return ResourcesCompat.getColor(resources, R.color.white, context.theme)
+            ResourcesCompat.getColor(resources, R.color.white, context.theme)
         }
     }
     // endregion

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/UntrustedAttachmentView.kt

@@ -6,15 +6,15 @@ import android.view.LayoutInflater
 import android.widget.LinearLayout
 import androidx.annotation.ColorInt
 import androidx.core.content.ContextCompat
-import kotlinx.android.synthetic.main.view_untrusted_attachment.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewUntrustedAttachmentBinding
 import org.session.libsession.utilities.recipients.Recipient
 import org.thoughtcrime.securesms.conversation.v2.dialogs.DownloadDialog
 import org.thoughtcrime.securesms.util.ActivityDispatcher
-import java.util.*
+import java.util.Locale
 
 class UntrustedAttachmentView: LinearLayout {
-
+    private lateinit var binding: ViewUntrustedAttachmentBinding
     enum class AttachmentType {
         AUDIO,
         DOCUMENT,
@@ -27,7 +27,7 @@ class UntrustedAttachmentView: LinearLayout {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_untrusted_attachment, this)
+        binding = ViewUntrustedAttachmentBinding.inflate(LayoutInflater.from(context), this, true)
     }
     // endregion
 
@@ -42,8 +42,8 @@ class UntrustedAttachmentView: LinearLayout {
         iconDrawable.mutate().setTint(textColor)
         val text = context.getString(R.string.UntrustedAttachmentView_download_attachment, context.getString(stringRes).toLowerCase(Locale.ROOT))
 
-        untrustedAttachmentIcon.setImageDrawable(iconDrawable)
+        binding.untrustedAttachmentIcon.setImageDrawable(iconDrawable)
-        untrustedAttachmentTitle.text = text
+        binding.untrustedAttachmentTitle.text = text
     }
     // endregion
 

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageContentView.kt

@@ -23,8 +23,9 @@ import androidx.core.graphics.BlendModeColorFilterCompat
 import androidx.core.graphics.BlendModeCompat
 import androidx.core.text.getSpans
 import androidx.core.text.toSpannable
-import kotlinx.android.synthetic.main.view_visible_message_content.view.*
+import androidx.core.view.children
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewVisibleMessageContentBinding
 import okhttp3.HttpUrl
 import org.session.libsession.utilities.ThemeUtil
 import org.session.libsession.utilities.ViewUtil
@@ -40,14 +41,14 @@ import org.thoughtcrime.securesms.database.model.MessageRecord
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord
 import org.thoughtcrime.securesms.mms.GlideRequests
 import org.thoughtcrime.securesms.util.SearchUtil
-import org.thoughtcrime.securesms.util.SearchUtil.StyleFactory
 import org.thoughtcrime.securesms.util.UiModeUtilities
 import org.thoughtcrime.securesms.util.getColorWithID
 import org.thoughtcrime.securesms.util.toPx
-import java.util.*
+import java.util.Locale
 import kotlin.math.roundToInt
 
 class VisibleMessageContentView : LinearLayout {
+    private lateinit var binding:  ViewVisibleMessageContentBinding
     var onContentClick: ((event: MotionEvent) -> Unit)? = null
     var onContentDoubleTap: (() -> Unit)? = null
     var delegate: VisibleMessageContentViewDelegate? = null
@@ -59,7 +60,7 @@ class VisibleMessageContentView : LinearLayout {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_visible_message_content, this)
+        binding = ViewVisibleMessageContentBinding.inflate(LayoutInflater.from(context), this, true)
     }
     // endregion
 
@@ -74,17 +75,17 @@ class VisibleMessageContentView : LinearLayout {
         background.colorFilter = filter
         setBackground(background)
         // Body
-        mainContainer.removeAllViews()
+        binding.mainContainer.removeAllViews()
         onContentClick = null
         onContentDoubleTap = null
         if (message.isDeleted) {
             val deletedMessageView = DeletedMessageView(context)
-            deletedMessageView.bind(message, VisibleMessageContentView.getTextColor(context,message))
+            deletedMessageView.bind(message, getTextColor(context,message))
-            mainContainer.addView(deletedMessageView)
+            binding.mainContainer.addView(deletedMessageView)
         } else if (message is MmsMessageRecord && message.linkPreviews.isNotEmpty()) {
             val linkPreviewView = LinkPreviewView(context)
             linkPreviewView.bind(message, glide, isStartOfMessageCluster, isEndOfMessageCluster, searchQuery)
-            mainContainer.addView(linkPreviewView)
+            binding.mainContainer.addView(linkPreviewView)
             onContentClick = { event -> linkPreviewView.calculateHit(event) }
             // Body text view is inside the link preview for layout convenience
         } else if (message is MmsMessageRecord && message.quote != null) {
@@ -102,10 +103,10 @@ class VisibleMessageContentView : LinearLayout {
             quoteView.bind(quote.author.toString(), quoteText, quote.attachment, thread,
                 message.isOutgoing, maxContentWidth, message.isOpenGroupInvitation, message.threadId,
                 quote.isOriginalMissing, glide)
-            mainContainer.addView(quoteView)
+            binding.mainContainer.addView(quoteView)
-            val bodyTextView = VisibleMessageContentView.getBodyTextView(context, message, searchQuery)
+            val bodyTextView = getBodyTextView(context, message, searchQuery)
             ViewUtil.setPaddingTop(bodyTextView, 0)
-            mainContainer.addView(bodyTextView)
+            binding.mainContainer.addView(bodyTextView)
             onContentClick = { event ->
                 val r = Rect()
                 quoteView.getGlobalVisibleRect(r)
@@ -124,34 +125,34 @@ class VisibleMessageContentView : LinearLayout {
                 voiceMessageView.indexInAdapter = indexInAdapter
                 voiceMessageView.delegate = context as? ConversationActivityV2
                 voiceMessageView.bind(message, isStartOfMessageCluster, isEndOfMessageCluster)
-                mainContainer.addView(voiceMessageView)
+                binding.mainContainer.addView(voiceMessageView)
                 // We have to use onContentClick (rather than a click listener directly on the voice
                 // message view) so as to not interfere with all the other gestures.
                 onContentClick = { voiceMessageView.togglePlayback() }
                 onContentDoubleTap = { voiceMessageView.handleDoubleTap() }
             } else {
                 val untrustedView = UntrustedAttachmentView(context)
-                untrustedView.bind(UntrustedAttachmentView.AttachmentType.AUDIO, VisibleMessageContentView.getTextColor(context,message))
+                untrustedView.bind(UntrustedAttachmentView.AttachmentType.AUDIO, getTextColor(context,message))
-                mainContainer.addView(untrustedView)
+                binding.mainContainer.addView(untrustedView)
                 onContentClick = { untrustedView.showTrustDialog(message.individualRecipient) }
             }
         } else if (message is MmsMessageRecord && message.slideDeck.documentSlide != null) {
             // Document attachment
             if (contactIsTrusted || message.isOutgoing) {
                 val documentView = DocumentView(context)
-                documentView.bind(message, VisibleMessageContentView.getTextColor(context, message))
+                documentView.bind(message, getTextColor(context, message))
-                mainContainer.addView(documentView)
+                binding.mainContainer.addView(documentView)
             } else {
                 val untrustedView = UntrustedAttachmentView(context)
-                untrustedView.bind(UntrustedAttachmentView.AttachmentType.DOCUMENT, VisibleMessageContentView.getTextColor(context,message))
+                untrustedView.bind(UntrustedAttachmentView.AttachmentType.DOCUMENT, getTextColor(context,message))
-                mainContainer.addView(untrustedView)
+                binding.mainContainer.addView(untrustedView)
                 onContentClick = { untrustedView.showTrustDialog(message.individualRecipient) }
             }
         } else if (message is MmsMessageRecord && message.slideDeck.asAttachments().isNotEmpty()) {
             // Images/Video attachment
             if (contactIsTrusted || message.isOutgoing) {
                 val albumThumbnailView = AlbumThumbnailView(context)
-                mainContainer.addView(albumThumbnailView)
+                binding.mainContainer.addView(albumThumbnailView)
                 // isStart and isEnd of cluster needed for calculating the mask for full bubble image groups
                 // bind after add view because views are inflated and calculated during bind
                 albumThumbnailView.bind(
@@ -165,18 +166,18 @@ class VisibleMessageContentView : LinearLayout {
                 }
             } else {
                 val untrustedView = UntrustedAttachmentView(context)
-                untrustedView.bind(UntrustedAttachmentView.AttachmentType.MEDIA, VisibleMessageContentView.getTextColor(context,message))
+                untrustedView.bind(UntrustedAttachmentView.AttachmentType.MEDIA, getTextColor(context,message))
-                mainContainer.addView(untrustedView)
+                binding.mainContainer.addView(untrustedView)
                 onContentClick = { untrustedView.showTrustDialog(message.individualRecipient) }
             }
         } else if (message.isOpenGroupInvitation) {
             val openGroupInvitationView = OpenGroupInvitationView(context)
-            openGroupInvitationView.bind(message, VisibleMessageContentView.getTextColor(context, message))
+            openGroupInvitationView.bind(message, getTextColor(context, message))
-            mainContainer.addView(openGroupInvitationView)
+            binding.mainContainer.addView(openGroupInvitationView)
             onContentClick = { openGroupInvitationView.joinOpenGroup() }
         } else {
-            val bodyTextView = VisibleMessageContentView.getBodyTextView(context, message, searchQuery)
+            val bodyTextView = getBodyTextView(context, message, searchQuery)
-            mainContainer.addView(bodyTextView)
+            binding.mainContainer.addView(bodyTextView)
             onContentClick = { event ->
                 // intersectedModalSpans should only be a list of one item
                 bodyTextView.getIntersectedModalSpans(event).forEach { span ->
@@ -188,21 +189,33 @@ class VisibleMessageContentView : LinearLayout {
 
     private fun getBackground(isOutgoing: Boolean, isStartOfMessageCluster: Boolean, isEndOfMessageCluster: Boolean): Drawable {
         val isSingleMessage = (isStartOfMessageCluster && isEndOfMessageCluster)
-        @DrawableRes val backgroundID: Int
+        @DrawableRes val backgroundID = when {
-        if (isSingleMessage) {
+            isSingleMessage -> {
-            backgroundID = if (isOutgoing) R.drawable.message_bubble_background_sent_alone else R.drawable.message_bubble_background_received_alone
+                if (isOutgoing) R.drawable.message_bubble_background_sent_alone else R.drawable.message_bubble_background_received_alone
-        } else if (isStartOfMessageCluster) {
+            }
-            backgroundID = if (isOutgoing) R.drawable.message_bubble_background_sent_start else R.drawable.message_bubble_background_received_start
+            isStartOfMessageCluster -> {
-        } else if (isEndOfMessageCluster) {
+                if (isOutgoing) R.drawable.message_bubble_background_sent_start else R.drawable.message_bubble_background_received_start
-            backgroundID = if (isOutgoing) R.drawable.message_bubble_background_sent_end else R.drawable.message_bubble_background_received_end
+            }
-        } else {
+            isEndOfMessageCluster -> {
-            backgroundID = if (isOutgoing) R.drawable.message_bubble_background_sent_middle else R.drawable.message_bubble_background_received_middle
+                if (isOutgoing) R.drawable.message_bubble_background_sent_end else R.drawable.message_bubble_background_received_end
+            }
+            else -> {
+                if (isOutgoing) R.drawable.message_bubble_background_sent_middle else R.drawable.message_bubble_background_received_middle
+            }
         }
         return ResourcesCompat.getDrawable(resources, backgroundID, context.theme)!!
     }
 
     fun recycle() {
-        mainContainer.removeAllViews()
+        binding.mainContainer.removeAllViews()
+    }
+
+    fun playVoiceMessage() {
+        binding.mainContainer.children.forEach { view ->
+            if (view is VoiceMessageView) {
+                return@forEach view.togglePlayback()
+            }
+        }
     }
     // endregion
 
@@ -227,8 +240,10 @@ class VisibleMessageContentView : LinearLayout {
             var body = message.body.toSpannable()
 
             body = MentionUtilities.highlightMentions(body, message.isOutgoing, message.threadId, context)
-            body = SearchUtil.getHighlightedSpan(Locale.getDefault(), StyleFactory { BackgroundColorSpan(Color.WHITE) }, body, searchQuery)
+            body = SearchUtil.getHighlightedSpan(Locale.getDefault(),
-            body = SearchUtil.getHighlightedSpan(Locale.getDefault(), StyleFactory { ForegroundColorSpan(Color.BLACK) }, body, searchQuery)
+                { BackgroundColorSpan(Color.WHITE) }, body, searchQuery)
+            body = SearchUtil.getHighlightedSpan(Locale.getDefault(),
+                { ForegroundColorSpan(Color.BLACK) }, body, searchQuery)
 
             Linkify.addLinks(body, Linkify.WEB_URLS)
 

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageView.kt

@@ -5,12 +5,15 @@ import android.content.res.Resources
 import android.graphics.Canvas
 import android.graphics.Rect
 import android.graphics.drawable.ColorDrawable
-import android.os.Build
-import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
 import android.util.AttributeSet
-import android.view.*
+import android.view.Gravity
+import android.view.HapticFeedbackConstants
+import android.view.LayoutInflater
+import android.view.MotionEvent
+import android.view.View
+import android.view.ViewGroup
 import android.widget.LinearLayout
 import android.widget.RelativeLayout
 import androidx.appcompat.app.AppCompatActivity
@@ -19,25 +22,35 @@ import androidx.core.content.res.ResourcesCompat
 import androidx.core.os.bundleOf
 import androidx.core.view.isVisible
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.android.synthetic.main.view_visible_message.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewVisibleMessageBinding
 import org.session.libsession.messaging.contacts.Contact.ContactContext
 import org.session.libsession.messaging.open_groups.OpenGroupAPIV2
 import org.session.libsession.utilities.ViewUtil
-import org.session.libsession.utilities.recipients.Recipient
 import org.session.libsignal.utilities.ThreadUtils
 import org.thoughtcrime.securesms.ApplicationContext
-import org.thoughtcrime.securesms.database.*
+import org.thoughtcrime.securesms.database.LokiThreadDatabase
+import org.thoughtcrime.securesms.database.MmsDatabase
+import org.thoughtcrime.securesms.database.MmsSmsDatabase
+import org.thoughtcrime.securesms.database.SessionContactDatabase
+import org.thoughtcrime.securesms.database.SmsDatabase
+import org.thoughtcrime.securesms.database.ThreadDatabase
 import org.thoughtcrime.securesms.database.model.MessageRecord
 import org.thoughtcrime.securesms.home.UserDetailsBottomSheet
 import org.thoughtcrime.securesms.mms.GlideRequests
-import org.thoughtcrime.securesms.util.*
+import org.thoughtcrime.securesms.util.DateUtils
-import java.util.*
+import org.thoughtcrime.securesms.util.disableClipping
+import org.thoughtcrime.securesms.util.getColorWithID
+import org.thoughtcrime.securesms.util.toDp
+import org.thoughtcrime.securesms.util.toPx
+import java.util.Date
+import java.util.Locale
 import javax.inject.Inject
 import kotlin.math.abs
 import kotlin.math.min
 import kotlin.math.roundToInt
 import kotlin.math.sqrt
+
 @AndroidEntryPoint
 class VisibleMessageView : LinearLayout {
 
@@ -48,6 +61,7 @@ class VisibleMessageView : LinearLayout {
     @Inject lateinit var smsDb: SmsDatabase
     @Inject lateinit var mmsDb: MmsDatabase
 
+    private lateinit var binding: ViewVisibleMessageBinding
     private val screenWidth = Resources.getSystem().displayMetrics.widthPixels
     private val swipeToReplyIcon = ContextCompat.getDrawable(context, R.drawable.ic_baseline_reply_24)!!.mutate()
     private val swipeToReplyIconRect = Rect()
@@ -60,7 +74,11 @@ class VisibleMessageView : LinearLayout {
     private var onDoubleTap: (() -> Unit)? = null
     var indexInAdapter: Int = -1
     var snIsSelected = false
-        set(value) { field = value; handleIsSelectedChanged()}
+        set(value) {
+            field = value
+            binding.messageTimestampTextView.isVisible = isSelected
+            handleIsSelectedChanged()
+        }
     var onPress: ((event: MotionEvent) -> Unit)? = null
     var onSwipeToReply: (() -> Unit)? = null
     var onLongPress: (() -> Unit)? = null
@@ -68,7 +86,7 @@ class VisibleMessageView : LinearLayout {
 
     companion object {
         const val swipeToReplyThreshold = 64.0f // dp
-        const val longPressMovementTreshold = 10.0f // dp
+        const val longPressMovementThreshold = 10.0f // dp
         const val longPressDurationThreshold = 250L // ms
         const val maxDoubleTapInterval = 200L
     }
@@ -79,12 +97,12 @@ class VisibleMessageView : LinearLayout {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_visible_message, this)
+        binding = ViewVisibleMessageBinding.inflate(LayoutInflater.from(context), this, true)
         layoutParams = ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
         isHapticFeedbackEnabled = true
         setWillNotDraw(false)
-        expirationTimerViewContainer.disableClipping()
+        binding.expirationTimerViewContainer.disableClipping()
-        messageContentContainer.disableClipping()
+        binding.messageContentContainer.disableClipping()
     }
     // endregion
 
@@ -101,47 +119,46 @@ class VisibleMessageView : LinearLayout {
         // Show profile picture and sender name if this is a group thread AND
         // the message is incoming
         if (isGroupThread && !message.isOutgoing) {
-            profilePictureContainer.visibility = if (isEndOfMessageCluster) View.VISIBLE else View.INVISIBLE
+            binding.profilePictureContainer.visibility = if (isEndOfMessageCluster) View.VISIBLE else View.INVISIBLE
-            profilePictureView.publicKey = senderSessionID
+            binding.profilePictureView.publicKey = senderSessionID
-            profilePictureView.glide = glide
+            binding.profilePictureView.glide = glide
-            profilePictureView.update(message.individualRecipient, threadID)
+            binding.profilePictureView.update(message.individualRecipient)
-            profilePictureView.setOnClickListener {
+            binding.profilePictureView.setOnClickListener {
                 showUserDetails(senderSessionID, threadID)
             }
             if (thread.isOpenGroupRecipient) {
                 val openGroup = lokiThreadDb.getOpenGroupChat(threadID) ?: return
                 val isModerator = OpenGroupAPIV2.isUserModerator(senderSessionID, openGroup.room, openGroup.server)
-                moderatorIconImageView.visibility = if (isModerator) View.VISIBLE else View.INVISIBLE
+                binding.moderatorIconImageView.visibility = if (isModerator) View.VISIBLE else View.INVISIBLE
             } else {
-                moderatorIconImageView.visibility = View.INVISIBLE
+                binding.moderatorIconImageView.visibility = View.INVISIBLE
             }
-            senderNameTextView.isVisible = isStartOfMessageCluster
+            binding.senderNameTextView.isVisible = isStartOfMessageCluster
             val context = if (thread.isOpenGroupRecipient) ContactContext.OPEN_GROUP else ContactContext.REGULAR
-            senderNameTextView.text = contact?.displayName(context) ?: senderSessionID
+            binding.senderNameTextView.text = contact?.displayName(context) ?: senderSessionID
         } else {
-            profilePictureContainer.visibility = View.GONE
+            binding.profilePictureContainer.visibility = View.GONE
-            senderNameTextView.visibility = View.GONE
+            binding.senderNameTextView.visibility = View.GONE
         }
         // Date break
-        dateBreakTextView.showDateBreak(message, previous)
+        binding.dateBreakTextView.showDateBreak(message, previous)
         // Timestamp
-        messageTimestampTextView.text = DateUtils.getDisplayFormattedTimeSpanString(context, Locale.getDefault(), message.timestamp)
+        binding.messageTimestampTextView.text = DateUtils.getDisplayFormattedTimeSpanString(context, Locale.getDefault(), message.timestamp)
         // Margins
-        val startPadding: Int
+        val startPadding = if (isGroupThread) {
-        if (isGroupThread) {
+            if (message.isOutgoing) resources.getDimension(R.dimen.very_large_spacing).toInt() else 0
-            startPadding = if (message.isOutgoing) resources.getDimension(R.dimen.very_large_spacing).toInt() else 0
         } else {
-            startPadding = if (message.isOutgoing) resources.getDimension(R.dimen.very_large_spacing).toInt()
+            if (message.isOutgoing) resources.getDimension(R.dimen.very_large_spacing).toInt()
-                else resources.getDimension(R.dimen.medium_spacing).toInt()
+            else resources.getDimension(R.dimen.medium_spacing).toInt()
         }
         val endPadding = if (message.isOutgoing) resources.getDimension(R.dimen.medium_spacing).toInt()
             else resources.getDimension(R.dimen.very_large_spacing).toInt()
-        messageContentContainer.setPaddingRelative(startPadding, 0, endPadding, 0)
+        binding.messageContentContainer.setPaddingRelative(startPadding, 0, endPadding, 0)
         // Set inter-message spacing
         setMessageSpacing(isStartOfMessageCluster, isEndOfMessageCluster)
         // Gravity
         val gravity = if (message.isOutgoing) Gravity.END else Gravity.START
-        mainContainer.gravity = gravity or Gravity.BOTTOM
+        binding.mainContainer.gravity = gravity or Gravity.BOTTOM
         // Message status indicator
         val (iconID, iconColor) = getMessageStatusImage(message)
         if (iconID != null) {
@@ -149,24 +166,24 @@ class VisibleMessageView : LinearLayout {
             if (iconColor != null) {
                 drawable?.setTint(iconColor)
             }
-            messageStatusImageView.setImageDrawable(drawable)
+            binding.messageStatusImageView.setImageDrawable(drawable)
         }
         if (message.isOutgoing) {
             val lastMessageID = mmsSmsDb.getLastMessageID(message.threadId)
-            messageStatusImageView.isVisible = !message.isSent || message.id == lastMessageID
+            binding.messageStatusImageView.isVisible = !message.isSent || message.id == lastMessageID
         } else {
-            messageStatusImageView.isVisible = false
+            binding.messageStatusImageView.isVisible = false
         }
         // Expiration timer
         updateExpirationTimer(message)
         // Calculate max message bubble width
         var maxWidth = screenWidth - startPadding - endPadding
-        if (profilePictureContainer.visibility != View.GONE) { maxWidth -= profilePictureContainer.width }
+        if (binding.profilePictureContainer.visibility != View.GONE) { maxWidth -= binding.profilePictureContainer.width }
         // Populate content view
-        messageContentView.indexInAdapter = indexInAdapter
+        binding.messageContentView.indexInAdapter = indexInAdapter
-        messageContentView.bind(message, isStartOfMessageCluster, isEndOfMessageCluster, glide, maxWidth, thread, searchQuery, isGroupThread || (contact?.isTrusted ?: false))
+        binding.messageContentView.bind(message, isStartOfMessageCluster, isEndOfMessageCluster, glide, maxWidth, thread, searchQuery, isGroupThread || (contact?.isTrusted ?: false))
-        messageContentView.delegate = contentViewDelegate
+        binding.messageContentView.delegate = contentViewDelegate
-        onDoubleTap = { messageContentView.onContentDoubleTap?.invoke() }
+        onDoubleTap = { binding.messageContentView.onContentDoubleTap?.invoke() }
     }
 
     private fun setMessageSpacing(isStartOfMessageCluster: Boolean, isEndOfMessageCluster: Boolean) {
@@ -207,7 +224,7 @@ class VisibleMessageView : LinearLayout {
     }
 
     private fun updateExpirationTimer(message: MessageRecord) {
-        val expirationTimerViewLayoutParams = expirationTimerView.layoutParams as RelativeLayout.LayoutParams
+        val expirationTimerViewLayoutParams = binding.expirationTimerView.layoutParams as RelativeLayout.LayoutParams
         val ruleToAdd = if (message.isOutgoing) RelativeLayout.ALIGN_START else RelativeLayout.ALIGN_END
         val ruleToRemove = if (message.isOutgoing) RelativeLayout.ALIGN_END else RelativeLayout.ALIGN_START
         expirationTimerViewLayoutParams.removeRule(ruleToRemove)
@@ -216,20 +233,20 @@ class VisibleMessageView : LinearLayout {
         val smallSpacing = resources.getDimension(R.dimen.small_spacing).roundToInt()
         expirationTimerViewLayoutParams.marginStart = if (message.isOutgoing) -(smallSpacing + expirationTimerViewSize) else 0
         expirationTimerViewLayoutParams.marginEnd = if (message.isOutgoing) 0 else -(smallSpacing + expirationTimerViewSize)
-        expirationTimerView.layoutParams = expirationTimerViewLayoutParams
+        binding.expirationTimerView.layoutParams = expirationTimerViewLayoutParams
         if (message.expiresIn > 0 && !message.isPending) {
-            expirationTimerView.setColorFilter(ResourcesCompat.getColor(resources, R.color.text, context.theme))
+            binding.expirationTimerView.setColorFilter(ResourcesCompat.getColor(resources, R.color.text, context.theme))
-            expirationTimerView.isVisible = true
+            binding.expirationTimerView.isVisible = true
-            expirationTimerView.setPercentComplete(0.0f)
+            binding.expirationTimerView.setPercentComplete(0.0f)
             if (message.expireStarted > 0) {
-                expirationTimerView.setExpirationTime(message.expireStarted, message.expiresIn)
+                binding.expirationTimerView.setExpirationTime(message.expireStarted, message.expiresIn)
-                expirationTimerView.startAnimation()
+                binding.expirationTimerView.startAnimation()
                 if (message.expireStarted + message.expiresIn <= System.currentTimeMillis()) {
                     ApplicationContext.getInstance(context).expiringMessageManager.checkSchedule()
                 }
             } else if (!message.isMediaPending) {
-                expirationTimerView.setPercentComplete(0.0f)
+                binding.expirationTimerView.setPercentComplete(0.0f)
-                expirationTimerView.stopAnimation()
+                binding.expirationTimerView.stopAnimation()
                 ThreadUtils.queue {
                     val expirationManager = ApplicationContext.getInstance(context).expiringMessageManager
                     val id = message.getId()
@@ -238,11 +255,11 @@ class VisibleMessageView : LinearLayout {
                     expirationManager.scheduleDeletion(id, mms, message.expiresIn)
                 }
             } else {
-                expirationTimerView.stopAnimation()
+                binding.expirationTimerView.stopAnimation()
-                expirationTimerView.setPercentComplete(0.0f)
+                binding.expirationTimerView.setPercentComplete(0.0f)
             }
         } else {
-            expirationTimerView.isVisible = false
+            binding.expirationTimerView.isVisible = false
         }
     }
 
@@ -255,14 +272,14 @@ class VisibleMessageView : LinearLayout {
     }
 
     override fun onDraw(canvas: Canvas) {
-        if (translationX < 0 && !expirationTimerView.isVisible) {
+        if (translationX < 0 && !binding.expirationTimerView.isVisible) {
             val spacing = context.resources.getDimensionPixelSize(R.dimen.small_spacing)
-            val threshold = VisibleMessageView.swipeToReplyThreshold
+            val threshold = swipeToReplyThreshold
             val iconSize = toPx(24, context.resources)
-            val bottomVOffset = paddingBottom + messageStatusImageView.height + (messageContentView.height - iconSize) / 2
+            val bottomVOffset = paddingBottom + binding.messageStatusImageView.height + (binding.messageContentView.height - iconSize) / 2
-            swipeToReplyIconRect.left = messageContentContainer.right - messageContentContainer.paddingEnd + spacing
+            swipeToReplyIconRect.left = binding.messageContentContainer.right - binding.messageContentContainer.paddingEnd + spacing
             swipeToReplyIconRect.top = height - bottomVOffset - iconSize
-            swipeToReplyIconRect.right = messageContentContainer.right - messageContentContainer.paddingEnd + iconSize + spacing
+            swipeToReplyIconRect.right = binding.messageContentContainer.right - binding.messageContentContainer.paddingEnd + iconSize + spacing
             swipeToReplyIconRect.bottom = height - bottomVOffset
             swipeToReplyIcon.bounds = swipeToReplyIconRect
             swipeToReplyIcon.alpha = (255.0f * (min(abs(translationX), threshold) / threshold)).roundToInt()
@@ -274,8 +291,8 @@ class VisibleMessageView : LinearLayout {
     }
 
     fun recycle() {
-        profilePictureView.recycle()
+        binding.profilePictureView.recycle()
-        messageContentView.recycle()
+        binding.messageContentView.recycle()
     }
     // endregion
 
@@ -296,13 +313,13 @@ class VisibleMessageView : LinearLayout {
         longPressCallback?.let { gestureHandler.removeCallbacks(it) }
         val newLongPressCallback = Runnable { onLongPress() }
         this.longPressCallback = newLongPressCallback
-        gestureHandler.postDelayed(newLongPressCallback, VisibleMessageView.longPressDurationThreshold)
+        gestureHandler.postDelayed(newLongPressCallback, longPressDurationThreshold)
         onDownTimestamp = Date().time
     }
 
     private fun onMove(event: MotionEvent) {
         val translationX = toDp(event.rawX + dx, context.resources)
-        if (abs(translationX) < VisibleMessageView.longPressMovementTreshold || snIsSelected) {
+        if (abs(translationX) < longPressMovementThreshold || snIsSelected) {
             return
         } else {
             longPressCallback?.let { gestureHandler.removeCallbacks(it) }
@@ -313,20 +330,16 @@ class VisibleMessageView : LinearLayout {
         val sign = -1.0f
         val x = (damping * (sqrt(abs(translationX)) / sqrt(damping))) * sign
         this.translationX = x
-        this.dateBreakTextView.translationX = -x // Bit of a hack to keep the date break text view from moving
+        binding.dateBreakTextView.translationX = -x // Bit of a hack to keep the date break text view from moving
         postInvalidate() // Ensure onDraw(canvas:) is called
-        if (abs(x) > VisibleMessageView.swipeToReplyThreshold && abs(previousTranslationX) < VisibleMessageView.swipeToReplyThreshold) {
+        if (abs(x) > swipeToReplyThreshold && abs(previousTranslationX) < swipeToReplyThreshold) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            performHapticFeedback(HapticFeedbackConstants.CONTEXT_CLICK)
-                performHapticFeedback(HapticFeedbackConstants.CONTEXT_CLICK)
-            } else {
-                performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
-            }
         }
         previousTranslationX = x
     }
 
     private fun onCancel(event: MotionEvent) {
-        if (abs(translationX) > VisibleMessageView.swipeToReplyThreshold) {
+        if (abs(translationX) > swipeToReplyThreshold) {
             onSwipeToReply?.invoke()
         }
         longPressCallback?.let { gestureHandler.removeCallbacks(it) }
@@ -334,9 +347,9 @@ class VisibleMessageView : LinearLayout {
     }
 
     private fun onUp(event: MotionEvent) {
-        if (abs(translationX) > VisibleMessageView.swipeToReplyThreshold) {
+        if (abs(translationX) > swipeToReplyThreshold) {
             onSwipeToReply?.invoke()
-        } else if ((Date().time - onDownTimestamp) < VisibleMessageView.longPressDurationThreshold) {
+        } else if ((Date().time - onDownTimestamp) < longPressDurationThreshold) {
             longPressCallback?.let { gestureHandler.removeCallbacks(it) }
             val pressCallback = this.pressCallback
             if (pressCallback != null) {
@@ -363,7 +376,7 @@ class VisibleMessageView : LinearLayout {
             }
             .start()
         // Bit of a hack to keep the date break text view from moving
-        dateBreakTextView.animate()
+        binding.dateBreakTextView.animate()
             .translationX(0.0f)
             .setDuration(150)
             .start()
@@ -375,7 +388,7 @@ class VisibleMessageView : LinearLayout {
     }
 
     fun onContentClick(event: MotionEvent) {
-        messageContentView.onContentClick?.invoke(event)
+        binding.messageContentView.onContentClick?.invoke(event)
     }
 
     private fun onPress(event: MotionEvent) {
@@ -393,5 +406,9 @@ class VisibleMessageView : LinearLayout {
         val activity = context as AppCompatActivity
         userDetailsBottomSheet.show(activity.supportFragmentManager, userDetailsBottomSheet.tag)
     }
+
+    fun playVoiceMessage() {
+        binding.messageContentView.playVoiceMessage()
+    }
     // endregion
 }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VoiceMessageView.kt

@@ -9,8 +9,8 @@ import android.widget.LinearLayout
 import android.widget.RelativeLayout
 import androidx.core.view.isVisible
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.android.synthetic.main.view_voice_message.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewVoiceMessageBinding
 import org.session.libsession.messaging.sending_receiving.attachments.DatabaseAttachment
 import org.thoughtcrime.securesms.audio.AudioSlidePlayer
 import org.thoughtcrime.securesms.components.CornerMask
@@ -26,6 +26,7 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
 
     @Inject lateinit var attachmentDb: AttachmentDatabase
 
+    private lateinit var binding: ViewVoiceMessageBinding
     private val cornerMask by lazy { CornerMask(this) }
     private var isPlaying = false
     set(value) {
@@ -44,8 +45,8 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_voice_message, this)
+        binding = ViewVoiceMessageBinding.inflate(LayoutInflater.from(context), this, true)
-        voiceMessageViewDurationTextView.text = String.format("%01d:%02d",
+        binding.voiceMessageViewDurationTextView.text = String.format("%01d:%02d",
             TimeUnit.MILLISECONDS.toMinutes(0),
             TimeUnit.MILLISECONDS.toSeconds(0))
     }
@@ -54,7 +55,7 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
     // region Updating
     fun bind(message: MmsMessageRecord, isStartOfMessageCluster: Boolean, isEndOfMessageCluster: Boolean) {
         val audio = message.slideDeck.audioSlide!!
-        voiceMessageViewLoader.isVisible = audio.isInProgress
+        binding.voiceMessageViewLoader.isVisible = audio.isInProgress
         val cornerRadii = MessageBubbleUtilities.calculateRadii(context, isStartOfMessageCluster, isEndOfMessageCluster, message.isOutgoing)
         cornerMask.setTopLeftRadius(cornerRadii[0])
         cornerMask.setTopRightRadius(cornerRadii[1])
@@ -74,8 +75,8 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
             attachmentDb.getAttachmentAudioExtras(attachment.attachmentId)?.let { audioExtras ->
                 if (audioExtras.durationMs > 0) {
                     duration = audioExtras.durationMs
-                    voiceMessageViewDurationTextView.visibility = View.VISIBLE
+                    binding.voiceMessageViewDurationTextView.visibility = View.VISIBLE
-                    voiceMessageViewDurationTextView.text = String.format("%01d:%02d",
+                    binding.voiceMessageViewDurationTextView.text = String.format("%01d:%02d",
                             TimeUnit.MILLISECONDS.toMinutes(audioExtras.durationMs),
                             TimeUnit.MILLISECONDS.toSeconds(audioExtras.durationMs))
                 }
@@ -99,12 +100,12 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
 
     private fun handleProgressChanged(progress: Double) {
         this.progress = progress
-        voiceMessageViewDurationTextView.text = String.format("%01d:%02d",
+        binding.voiceMessageViewDurationTextView.text = String.format("%01d:%02d",
             TimeUnit.MILLISECONDS.toMinutes(duration - (progress * duration.toDouble()).roundToLong()),
             TimeUnit.MILLISECONDS.toSeconds(duration - (progress * duration.toDouble()).roundToLong()))
-        val layoutParams = progressView.layoutParams as RelativeLayout.LayoutParams
+        val layoutParams = binding.progressView.layoutParams as RelativeLayout.LayoutParams
         layoutParams.width = (width.toFloat() * progress.toFloat()).roundToInt()
-        progressView.layoutParams = layoutParams
+        binding.progressView.layoutParams = layoutParams
     }
 
     override fun onPlayerStop(player: AudioSlidePlayer) {
@@ -118,7 +119,7 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
 
     private fun renderIcon() {
         val iconID = if (isPlaying) R.drawable.exo_icon_pause else R.drawable.exo_icon_play
-        voiceMessagePlaybackImageView.setImageResource(iconID)
+        binding.voiceMessagePlaybackImageView.setImageResource(iconID)
     }
 
     // endregion

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/search/SearchBottomBar.kt

@@ -5,11 +5,12 @@ import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.LinearLayout
-import kotlinx.android.synthetic.main.view_search_bottom_bar.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewSearchBottomBarBinding
 
 
 class SearchBottomBar : LinearLayout {
+    private lateinit var binding: ViewSearchBottomBarBinding
     private var eventListener: EventListener? = null
 
     // region Lifecycle
@@ -18,10 +19,10 @@ class SearchBottomBar : LinearLayout {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_search_bottom_bar, this)
+        binding = ViewSearchBottomBarBinding.inflate(LayoutInflater.from(context), this, true)
     }
 
-    fun setData(position: Int, count: Int) {
+    fun setData(position: Int, count: Int) = with(binding) {
         searchProgressWheel.visibility = GONE
         searchUp.setOnClickListener { v: View? ->
             if (eventListener != null) {
@@ -43,7 +44,7 @@ class SearchBottomBar : LinearLayout {
     }
 
     fun showLoading() {
-        searchProgressWheel.visibility = VISIBLE
+        binding.searchProgressWheel.visibility = VISIBLE
     }
 
     private fun setViewEnabled(view: View, enabled: Boolean) {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/utilities/KThumbnailView.kt

@@ -5,6 +5,7 @@ import android.graphics.Bitmap
 import android.graphics.drawable.Drawable
 import android.net.Uri
 import android.util.AttributeSet
+import android.view.LayoutInflater
 import android.view.View
 import android.widget.FrameLayout
 import androidx.core.view.isVisible
@@ -13,8 +14,8 @@ import com.bumptech.glide.load.resource.bitmap.CenterCrop
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners
 import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions
 import com.bumptech.glide.request.RequestOptions
-import kotlinx.android.synthetic.main.thumbnail_view.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ThumbnailViewBinding
 import org.session.libsession.messaging.sending_receiving.attachments.AttachmentTransferProgress
 import org.session.libsession.utilities.Util.equals
 import org.session.libsignal.utilities.ListenableFuture
@@ -22,11 +23,13 @@ import org.session.libsignal.utilities.SettableFuture
 import org.thoughtcrime.securesms.components.GlideBitmapListeningTarget
 import org.thoughtcrime.securesms.components.GlideDrawableListeningTarget
 import org.thoughtcrime.securesms.database.model.MmsMessageRecord
-import org.thoughtcrime.securesms.mms.*
 import org.thoughtcrime.securesms.mms.DecryptableStreamUriLoader.DecryptableUri
+import org.thoughtcrime.securesms.mms.GlideRequest
+import org.thoughtcrime.securesms.mms.GlideRequests
+import org.thoughtcrime.securesms.mms.Slide
 
 open class KThumbnailView: FrameLayout {
-
+    private lateinit var binding: ThumbnailViewBinding
     companion object {
         private const val WIDTH = 0
         private const val HEIGHT = 1
@@ -37,10 +40,10 @@ open class KThumbnailView: FrameLayout {
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs) { initialize(attrs) }
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize(attrs) }
 
-    private val image by lazy { thumbnail_image }
+    private val image by lazy { binding.thumbnailImage }
-    private val playOverlay by lazy { play_overlay }
+    private val playOverlay by lazy { binding.playOverlay }
-    val loadIndicator: View by lazy { thumbnail_load_indicator }
+    val loadIndicator: View by lazy { binding.thumbnailLoadIndicator }
-    val downloadIndicator: View by lazy { thumbnail_download_icon }
+    val downloadIndicator: View by lazy { binding.thumbnailDownloadIcon }
 
     private val dimensDelegate = ThumbnailDimensDelegate()
 
@@ -48,7 +51,7 @@ open class KThumbnailView: FrameLayout {
     private var radius: Int = 0
 
     private fun initialize(attrs: AttributeSet?) {
-        inflate(context, R.layout.thumbnail_view, this)
+        binding = ThumbnailViewBinding.inflate(LayoutInflater.from(context), this)
         if (attrs != null) {
             val typedArray = context.theme.obtainStyledAttributes(attrs, R.styleable.ThumbnailView, 0, 0)
 

app/src/main/java/org/thoughtcrime/securesms/dependencies/AppModule.kt

@@ -0,0 +1,22 @@
+package org.thoughtcrime.securesms.dependencies
+
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import org.session.libsession.utilities.AppTextSecurePreferences
+import org.session.libsession.utilities.TextSecurePreferences
+import org.thoughtcrime.securesms.repository.ConversationRepository
+import org.thoughtcrime.securesms.repository.DefaultConversationRepository
+
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class AppModule {
+
+    @Binds
+    abstract fun bindTextSecurePreferences(preferences: AppTextSecurePreferences): TextSecurePreferences
+
+    @Binds
+    abstract fun bindConversationRepository(repository: DefaultConversationRepository): ConversationRepository
+
+}

app/src/main/java/org/thoughtcrime/securesms/dms/CreatePrivateChatActivity.kt

@@ -9,16 +9,18 @@ import android.content.Intent
 import android.os.Bundle
 import android.text.InputType
 import android.util.TypedValue
-import android.view.*
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.view.inputmethod.InputMethodManager
 import android.widget.Toast
 import androidx.core.view.isVisible
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentPagerAdapter
-import kotlinx.android.synthetic.main.activity_create_private_chat.*
-import kotlinx.android.synthetic.main.fragment_enter_public_key.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityCreatePrivateChatBinding
+import network.loki.messenger.databinding.FragmentEnterPublicKeyBinding
 import nl.komponents.kovenant.ui.failUi
 import nl.komponents.kovenant.ui.successUi
 import org.session.libsession.snode.SnodeAPI
@@ -27,13 +29,13 @@ import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsession.utilities.recipients.Recipient
 import org.session.libsignal.utilities.PublicKeyValidation
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
-
 import org.thoughtcrime.securesms.conversation.v2.ConversationActivityV2
 import org.thoughtcrime.securesms.dependencies.DatabaseComponent
 import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragment
 import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragmentDelegate
 
 class CreatePrivateChatActivity : PassphraseRequiredActionBarActivity(), ScanQRCodeWrapperFragmentDelegate {
+    private lateinit var binding: ActivityCreatePrivateChatBinding
     private val adapter = CreatePrivateChatActivityAdapter(this)
     private var isKeyboardShowing = false
         set(value) {
@@ -47,37 +49,36 @@ class CreatePrivateChatActivity : PassphraseRequiredActionBarActivity(), ScanQRC
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
         super.onCreate(savedInstanceState, isReady)
+        binding = ActivityCreatePrivateChatBinding.inflate(layoutInflater)
         // Set content view
-        setContentView(R.layout.activity_create_private_chat)
+        setContentView(binding.root)
         // Set title
         supportActionBar!!.title = resources.getString(R.string.activity_create_private_chat_title)
         // Set up view pager
-        viewPager.adapter = adapter
+        binding.viewPager.adapter = adapter
-        tabLayout.setupWithViewPager(viewPager)
+        binding.tabLayout.setupWithViewPager(binding.viewPager)
-        rootLayout.viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlobalLayoutListener {
+        binding.rootLayout.viewTreeObserver.addOnGlobalLayoutListener {
-
+            val diff = binding.rootLayout.rootView.height - binding.rootLayout.height
-            override fun onGlobalLayout() {
+            val displayMetrics = this@CreatePrivateChatActivity.resources.displayMetrics
-                val diff = rootLayout.rootView.height - rootLayout.height
+            val estimatedKeyboardHeight =
-                val displayMetrics = this@CreatePrivateChatActivity.resources.displayMetrics
+                TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 200.0f, displayMetrics)
-                val estimatedKeyboardHeight = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 200.0f, displayMetrics)
+            this@CreatePrivateChatActivity.isKeyboardShowing = (diff > estimatedKeyboardHeight)
-                this@CreatePrivateChatActivity.isKeyboardShowing = (diff > estimatedKeyboardHeight)
+        }
-            }
-        })
     }
     // endregion
 
     // region Updating
     private fun showLoader() {
-        loader.visibility = View.VISIBLE
+        binding.loader.visibility = View.VISIBLE
-        loader.animate().setDuration(150).alpha(1.0f).start()
+        binding.loader.animate().setDuration(150).alpha(1.0f).start()
     }
 
     private fun hideLoader() {
-        loader.animate().setDuration(150).alpha(0.0f).setListener(object : AnimatorListenerAdapter() {
+        binding.loader.animate().setDuration(150).alpha(0.0f).setListener(object : AnimatorListenerAdapter() {
 
             override fun onAnimationEnd(animation: Animator?) {
                 super.onAnimationEnd(animation)
-                loader.visibility = View.GONE
+                binding.loader.visibility = View.GONE
             }
         })
     }
@@ -156,6 +157,8 @@ private class CreatePrivateChatActivityAdapter(val activity: CreatePrivateChatAc
 
 // region Enter Public Key Fragment
 class EnterPublicKeyFragment : Fragment() {
+    private lateinit var binding: FragmentEnterPublicKeyBinding
+
     var isKeyboardShowing = false
         set(value) { field = value; handleIsKeyboardShowingChanged() }
 
@@ -165,32 +168,34 @@ class EnterPublicKeyFragment : Fragment() {
         }
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
-        return inflater.inflate(R.layout.fragment_enter_public_key, container, false)
+        binding = FragmentEnterPublicKeyBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        publicKeyEditText.imeOptions = EditorInfo.IME_ACTION_DONE or 16777216 // Always use incognito keyboard
+        with(binding) {
-        publicKeyEditText.setRawInputType(InputType.TYPE_CLASS_TEXT)
+            publicKeyEditText.imeOptions = EditorInfo.IME_ACTION_DONE or 16777216 // Always use incognito keyboard
-        publicKeyEditText.setOnEditorActionListener { v, actionID, _ ->
+            publicKeyEditText.setRawInputType(InputType.TYPE_CLASS_TEXT)
-            if (actionID == EditorInfo.IME_ACTION_DONE) {
+            publicKeyEditText.setOnEditorActionListener { v, actionID, _ ->
-                val imm = v.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+                if (actionID == EditorInfo.IME_ACTION_DONE) {
-                imm.hideSoftInputFromWindow(v.windowToken, 0)
+                    val imm = v.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
-                createPrivateChatIfPossible()
+                    imm.hideSoftInputFromWindow(v.windowToken, 0)
-                true
+                    createPrivateChatIfPossible()
-            } else {
+                    true
-                false
+                } else {
+                    false
+                }
             }
+            publicKeyTextView.text = hexEncodedPublicKey
+            copyButton.setOnClickListener { copyPublicKey() }
+            shareButton.setOnClickListener { sharePublicKey() }
+            createPrivateChatButton.setOnClickListener { createPrivateChatIfPossible() }
         }
-        publicKeyTextView.text = hexEncodedPublicKey
-        copyButton.setOnClickListener { copyPublicKey() }
-        shareButton.setOnClickListener { sharePublicKey() }
-        createPrivateChatButton.setOnClickListener { createPrivateChatIfPossible() }
     }
 
     private fun handleIsKeyboardShowingChanged() {
-        val optionalContentContainer = optionalContentContainer ?: return
+        binding.optionalContentContainer.isVisible = !isKeyboardShowing
-        optionalContentContainer.isVisible = !isKeyboardShowing
     }
 
     private fun copyPublicKey() {
@@ -209,7 +214,7 @@ class EnterPublicKeyFragment : Fragment() {
     }
 
     private fun createPrivateChatIfPossible() {
-        val hexEncodedPublicKey = publicKeyEditText.text?.trim().toString()
+        val hexEncodedPublicKey = binding.publicKeyEditText.text?.trim().toString()
         val activity = requireActivity() as CreatePrivateChatActivity
         activity.createPrivateChatIfPossible(hexEncodedPublicKey)
     }

app/src/main/java/org/thoughtcrime/securesms/groups/ClosedGroupEditingOptionsBottomSheet.kt

@@ -1,22 +1,23 @@
 package org.thoughtcrime.securesms.groups
 
 import android.os.Bundle
-import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import kotlinx.android.synthetic.main.fragment_closed_group_edit_bottom_sheet.*
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment
-import network.loki.messenger.R
+import network.loki.messenger.databinding.FragmentClosedGroupEditBottomSheetBinding
 
-public class ClosedGroupEditingOptionsBottomSheet : BottomSheetDialogFragment() {
+class ClosedGroupEditingOptionsBottomSheet : BottomSheetDialogFragment() {
+    private lateinit var binding: FragmentClosedGroupEditBottomSheetBinding
     var onRemoveTapped: (() -> Unit)? = null
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
-        return inflater.inflate(R.layout.fragment_closed_group_edit_bottom_sheet, container, false)
+        binding = FragmentClosedGroupEditBottomSheetBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        removeFromGroup.setOnClickListener { onRemoveTapped?.invoke() }
+        binding.removeFromGroup.setOnClickListener { onRemoveTapped?.invoke() }
     }
 }

app/src/main/java/org/thoughtcrime/securesms/groups/CreateClosedGroupActivity.kt

@@ -10,8 +10,8 @@ import android.widget.Toast
 import androidx.loader.app.LoaderManager
 import androidx.loader.content.Loader
 import androidx.recyclerview.widget.LinearLayoutManager
-import kotlinx.android.synthetic.main.activity_create_closed_group.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityCreateClosedGroupBinding
 import nl.komponents.kovenant.ui.failUi
 import nl.komponents.kovenant.ui.successUi
 import org.session.libsession.messaging.sending_receiving.MessageSender
@@ -28,8 +28,8 @@ import org.thoughtcrime.securesms.mms.GlideApp
 import org.thoughtcrime.securesms.util.fadeIn
 import org.thoughtcrime.securesms.util.fadeOut
 
-//TODO Refactor to avoid using kotlinx.android.synthetic
 class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), LoaderManager.LoaderCallbacks<List<String>> {
+    private lateinit var binding: ActivityCreateClosedGroupBinding
     private var isLoading = false
         set(newValue) { field = newValue; invalidateOptionsMenu() }
     private var members = listOf<String>()
@@ -50,11 +50,12 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), LoaderM
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
         super.onCreate(savedInstanceState, isReady)
-        setContentView(R.layout.activity_create_closed_group)
+        binding = ActivityCreateClosedGroupBinding.inflate(layoutInflater)
+        setContentView(binding.root)
         supportActionBar!!.title = resources.getString(R.string.activity_create_closed_group_title)
-        recyclerView.adapter = this.selectContactsAdapter
+        binding.recyclerView.adapter = this.selectContactsAdapter
-        recyclerView.layoutManager = LinearLayoutManager(this)
+        binding.recyclerView.layoutManager = LinearLayoutManager(this)
-        createNewPrivateChatButton.setOnClickListener { createNewPrivateChat() }
+        binding.createNewPrivateChatButton.setOnClickListener { createNewPrivateChat() }
         LoaderManager.getInstance(this).initLoader(0, null, this)
     }
 
@@ -80,8 +81,8 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), LoaderM
     private fun update(members: List<String>) {
         //if there is a Note to self conversation, it loads self in the list, so we need to remove it here
         this.members = members.minus(publicKey)
-        mainContentContainer.visibility = if (members.isEmpty()) View.GONE else View.VISIBLE
+        binding.mainContentContainer.visibility = if (members.isEmpty()) View.GONE else View.VISIBLE
-        emptyStateContainer.visibility = if (members.isEmpty()) View.VISIBLE else View.GONE
+        binding.emptyStateContainer.visibility = if (members.isEmpty()) View.VISIBLE else View.GONE
         invalidateOptionsMenu()
     }
     // endregion
@@ -95,12 +96,12 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), LoaderM
     }
 
     private fun createNewPrivateChat() {
-        setResult(Companion.closedGroupCreatedResultCode)
+        setResult(closedGroupCreatedResultCode)
         finish()
     }
 
     private fun createClosedGroup() {
-        val name = nameEditText.text.trim()
+        val name = binding.nameEditText.text.trim()
         if (name.isEmpty()) {
             return Toast.makeText(this, R.string.activity_create_closed_group_group_name_missing_error, Toast.LENGTH_LONG).show()
         }
@@ -116,9 +117,9 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), LoaderM
         }
         val userPublicKey = TextSecurePreferences.getLocalNumber(this)!!
         isLoading = true
-        loaderContainer.fadeIn()
+        binding.loaderContainer.fadeIn()
         MessageSender.createClosedGroup(name.toString(), selectedMembers + setOf( userPublicKey )).successUi { groupID ->
-            loaderContainer.fadeOut()
+            binding.loaderContainer.fadeOut()
             isLoading = false
             val threadID = DatabaseComponent.get(this).threadDatabase().getOrCreateThreadIdFor(Recipient.from(this, Address.fromSerialized(groupID), false))
              if (!isFinishing) {
@@ -126,7 +127,7 @@ class CreateClosedGroupActivity : PassphraseRequiredActionBarActivity(), LoaderM
                 finish()
             }
         }.failUi {
-            loaderContainer.fadeOut()
+            binding.loaderContainer.fadeOut()
             isLoading = false
             Toast.makeText(this, it.message, Toast.LENGTH_LONG).show()
         }

app/src/main/java/org/thoughtcrime/securesms/groups/EditClosedGroupActivity.kt

@@ -8,12 +8,14 @@ import android.view.MenuItem
 import android.view.View
 import android.view.inputmethod.EditorInfo
 import android.view.inputmethod.InputMethodManager
-import android.widget.*
+import android.widget.EditText
+import android.widget.LinearLayout
+import android.widget.TextView
+import android.widget.Toast
 import androidx.loader.app.LoaderManager
 import androidx.loader.content.Loader
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import kotlinx.android.synthetic.main.activity_settings.*
 import network.loki.messenger.R
 import nl.komponents.kovenant.Promise
 import nl.komponents.kovenant.task

app/src/main/java/org/thoughtcrime/securesms/groups/JoinPublicChatActivity.kt

@@ -13,62 +13,63 @@ import android.view.inputmethod.InputMethodManager
 import android.widget.Toast
 import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory
 import androidx.core.view.isVisible
-import androidx.fragment.app.*
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentPagerAdapter
+import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.chip.Chip
-import kotlinx.android.synthetic.main.activity_join_public_chat.*
-import kotlinx.android.synthetic.main.fragment_enter_chat_url.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityJoinPublicChatBinding
+import network.loki.messenger.databinding.FragmentEnterChatUrlBinding
 import okhttp3.HttpUrl
 import org.session.libsession.messaging.open_groups.OpenGroupAPIV2.DefaultGroup
 import org.session.libsession.utilities.Address
-import org.session.libsession.utilities.recipients.Recipient
 import org.session.libsession.utilities.GroupUtil
+import org.session.libsession.utilities.recipients.Recipient
 import org.session.libsignal.utilities.Log
 import org.session.libsignal.utilities.PublicKeyValidation
 import org.thoughtcrime.securesms.BaseActionBarActivity
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
 import org.thoughtcrime.securesms.conversation.v2.ConversationActivityV2
-import org.thoughtcrime.securesms.groups.DefaultGroupsViewModel
+import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
-import org.thoughtcrime.securesms.groups.GroupManager
-import org.thoughtcrime.securesms.groups.OpenGroupManager
 import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragment
 import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragmentDelegate
-import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
 import org.thoughtcrime.securesms.util.State
-import java.util.*
+import java.util.Locale
 
 class JoinPublicChatActivity : PassphraseRequiredActionBarActivity(), ScanQRCodeWrapperFragmentDelegate {
+    private lateinit var binding: ActivityJoinPublicChatBinding
     private val adapter = JoinPublicChatActivityAdapter(this)
 
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
         super.onCreate(savedInstanceState, isReady)
+        binding = ActivityJoinPublicChatBinding.inflate(layoutInflater)
         // Set content view
-        setContentView(R.layout.activity_join_public_chat)
+        setContentView(binding.root)
         // Set title
         supportActionBar!!.title = resources.getString(R.string.activity_join_public_chat_title)
         // Set up view pager
-        viewPager.adapter = adapter
+        binding.viewPager.adapter = adapter
-        tabLayout.setupWithViewPager(viewPager)
+        binding.tabLayout.setupWithViewPager(binding.viewPager)
     }
     // endregion
 
     // region Updating
     private fun showLoader() {
-        loader.visibility = View.VISIBLE
+        binding.loader.visibility = View.VISIBLE
-        loader.animate().setDuration(150).alpha(1.0f).start()
+        binding.loader.animate().setDuration(150).alpha(1.0f).start()
     }
 
     private fun hideLoader() {
-        loader.animate().setDuration(150).alpha(0.0f).setListener(object : AnimatorListenerAdapter() {
+        binding.loader.animate().setDuration(150).alpha(0.0f).setListener(object : AnimatorListenerAdapter() {
 
             override fun onAnimationEnd(animation: Animator?) {
                 super.onAnimationEnd(animation)
-                loader.visibility = View.GONE
+                binding.loader.visibility = View.GONE
             }
         })
     }
@@ -166,26 +167,28 @@ private class JoinPublicChatActivityAdapter(val activity: JoinPublicChatActivity
 
 // region Enter Chat URL Fragment
 class EnterChatURLFragment : Fragment() {
+    private lateinit var binding: FragmentEnterChatUrlBinding
     private val viewModel by activityViewModels<DefaultGroupsViewModel>()
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
-        return inflater.inflate(R.layout.fragment_enter_chat_url, container, false)
+        binding = FragmentEnterChatUrlBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        chatURLEditText.imeOptions = chatURLEditText.imeOptions or 16777216 // Always use incognito keyboard
+        binding.chatURLEditText.imeOptions = binding.chatURLEditText.imeOptions or 16777216 // Always use incognito keyboard
-        joinPublicChatButton.setOnClickListener { joinPublicChatIfPossible() }
+        binding.joinPublicChatButton.setOnClickListener { joinPublicChatIfPossible() }
         viewModel.defaultRooms.observe(viewLifecycleOwner) { state ->
-            defaultRoomsContainer.isVisible = state is State.Success
+            binding.defaultRoomsContainer.isVisible = state is State.Success
-            defaultRoomsLoaderContainer.isVisible = state is State.Loading
+            binding.defaultRoomsLoaderContainer.isVisible = state is State.Loading
-            defaultRoomsLoader.isVisible = state is State.Loading
+            binding.defaultRoomsLoader.isVisible = state is State.Loading
             when (state) {
                 State.Loading -> {
-                    // TODO: Show a loader
+                    // TODO: Show a binding.loader
                 }
                 is State.Error -> {
-                    // TODO: Hide the loader
+                    // TODO: Hide the binding.loader
                 }
                 is State.Success -> {
                     populateDefaultGroups(state.value)
@@ -195,10 +198,10 @@ class EnterChatURLFragment : Fragment() {
     }
 
     private fun populateDefaultGroups(groups: List<DefaultGroup>) {
-        defaultRoomsGridLayout.removeAllViews()
+        binding.defaultRoomsGridLayout.removeAllViews()
-        defaultRoomsGridLayout.useDefaultMargins = false
+        binding.defaultRoomsGridLayout.useDefaultMargins = false
         groups.forEach { defaultGroup ->
-            val chip = layoutInflater.inflate(R.layout.default_group_chip, defaultRoomsGridLayout, false) as Chip
+            val chip = layoutInflater.inflate(R.layout.default_group_chip, binding.defaultRoomsGridLayout, false) as Chip
             val drawable = defaultGroup.image?.let { bytes ->
                 val bitmap = BitmapFactory.decodeByteArray(bytes,0, bytes.size)
                 RoundedBitmapDrawableFactory.create(resources,bitmap).apply {
@@ -210,18 +213,18 @@ class EnterChatURLFragment : Fragment() {
             chip.setOnClickListener {
                 (requireActivity() as JoinPublicChatActivity).joinPublicChatIfPossible(defaultGroup.joinURL)
             }
-            defaultRoomsGridLayout.addView(chip)
+            binding.defaultRoomsGridLayout.addView(chip)
         }
         if ((groups.size and 1) != 0) { // This checks that the number of rooms is even
-            layoutInflater.inflate(R.layout.grid_layout_filler, defaultRoomsGridLayout)
+            layoutInflater.inflate(R.layout.grid_layout_filler, binding.defaultRoomsGridLayout)
         }
     }
 
     // region Convenience
     private fun joinPublicChatIfPossible() {
         val inputMethodManager = requireContext().getSystemService(BaseActionBarActivity.INPUT_METHOD_SERVICE) as InputMethodManager
-        inputMethodManager.hideSoftInputFromWindow(chatURLEditText.windowToken, 0)
+        inputMethodManager.hideSoftInputFromWindow(binding.chatURLEditText.windowToken, 0)
-        val chatURL = chatURLEditText.text.trim().toString().toLowerCase(Locale.US)
+        val chatURL = binding.chatURLEditText.text.trim().toString().toLowerCase(Locale.US)
         (requireActivity() as JoinPublicChatActivity).joinPublicChatIfPossible(chatURL)
     }
     // endregion

app/src/main/java/org/thoughtcrime/securesms/groups/OpenGroupGuidelinesActivity.kt

@@ -1,16 +1,16 @@
 package org.thoughtcrime.securesms.groups
 
 import android.os.Bundle
-import kotlinx.android.synthetic.main.activity_open_group_guidelines.*
+import network.loki.messenger.databinding.ActivityOpenGroupGuidelinesBinding
-import network.loki.messenger.R
 import org.thoughtcrime.securesms.BaseActionBarActivity
 
 class OpenGroupGuidelinesActivity : BaseActionBarActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_open_group_guidelines)
+        val binding = ActivityOpenGroupGuidelinesBinding.inflate(layoutInflater)
-        communityGuidelinesTextView.text = """
+        setContentView(binding.root)
+        binding.communityGuidelinesTextView.text = """
         Welcome to Oxen.
 
         Oxen believes privacy is an important part of our future. People have been safeguarding the right to privacy since the dawn of humanity, but the digital world has turned privacy into a privilege. Enough is enough. We're taking it back. For you. For us. For everyone.

app/src/main/java/org/thoughtcrime/securesms/home/ConversationOptionsBottomSheet.kt

@@ -6,13 +6,12 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.core.view.isVisible
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
-import kotlinx.android.synthetic.main.fragment_conversation_bottom_sheet.*
+import network.loki.messenger.databinding.FragmentConversationBottomSheetBinding
-import network.loki.messenger.R
 import org.thoughtcrime.securesms.database.model.ThreadRecord
 import org.thoughtcrime.securesms.util.UiModeUtilities
 
-public class ConversationOptionsBottomSheet : BottomSheetDialogFragment(), View.OnClickListener {
+class ConversationOptionsBottomSheet : BottomSheetDialogFragment(), View.OnClickListener {
-
+    private lateinit var binding: FragmentConversationBottomSheetBinding
     //FIXME AC: Supplying a threadRecord directly into the field from an activity
     // is not the best idea. It doesn't survive configuration change.
     // We should be dealing with IDs and all sorts of serializable data instead
@@ -29,20 +28,21 @@ public class ConversationOptionsBottomSheet : BottomSheetDialogFragment(), View.
     var onSetMuteTapped: ((Boolean) -> Unit)? = null
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_conversation_bottom_sheet, container, false)
+        binding = FragmentConversationBottomSheetBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onClick(v: View?) {
         when (v) {
-            detailsTextView -> onViewDetailsTapped?.invoke()
+            binding.detailsTextView -> onViewDetailsTapped?.invoke()
-            pinTextView -> onPinTapped?.invoke()
+            binding.pinTextView -> onPinTapped?.invoke()
-            unpinTextView -> onUnpinTapped?.invoke()
+            binding.unpinTextView -> onUnpinTapped?.invoke()
-            blockTextView -> onBlockTapped?.invoke()
+            binding.blockTextView -> onBlockTapped?.invoke()
-            unblockTextView -> onUnblockTapped?.invoke()
+            binding.unblockTextView -> onUnblockTapped?.invoke()
-            deleteTextView -> onDeleteTapped?.invoke()
+            binding.deleteTextView -> onDeleteTapped?.invoke()
-            notificationsTextView -> onNotificationTapped?.invoke()
+            binding.notificationsTextView -> onNotificationTapped?.invoke()
-            unMuteNotificationsTextView -> onSetMuteTapped?.invoke(false)
+            binding.unMuteNotificationsTextView -> onSetMuteTapped?.invoke(false)
-            muteNotificationsTextView -> onSetMuteTapped?.invoke(true)
+            binding.muteNotificationsTextView -> onSetMuteTapped?.invoke(true)
         }
     }
 
@@ -51,26 +51,26 @@ public class ConversationOptionsBottomSheet : BottomSheetDialogFragment(), View.
         if (!this::thread.isInitialized) { return dismiss() }
         val recipient = thread.recipient
         if (!recipient.isGroupRecipient && !recipient.isLocalNumber) {
-            detailsTextView.visibility = View.VISIBLE
+            binding.detailsTextView.visibility = View.VISIBLE
-            unblockTextView.visibility = if (recipient.isBlocked) View.VISIBLE else View.GONE
+            binding.unblockTextView.visibility = if (recipient.isBlocked) View.VISIBLE else View.GONE
-            blockTextView.visibility = if (recipient.isBlocked) View.GONE else View.VISIBLE
+            binding.blockTextView.visibility = if (recipient.isBlocked) View.GONE else View.VISIBLE
-            detailsTextView.setOnClickListener(this)
+            binding.detailsTextView.setOnClickListener(this)
-            blockTextView.setOnClickListener(this)
+            binding.blockTextView.setOnClickListener(this)
-            unblockTextView.setOnClickListener(this)
+            binding.unblockTextView.setOnClickListener(this)
         } else {
-            detailsTextView.visibility = View.GONE
+            binding.detailsTextView.visibility = View.GONE
         }
-        unMuteNotificationsTextView.isVisible = recipient.isMuted && !recipient.isLocalNumber
+        binding.unMuteNotificationsTextView.isVisible = recipient.isMuted && !recipient.isLocalNumber
-        muteNotificationsTextView.isVisible = !recipient.isMuted && !recipient.isLocalNumber
+        binding.muteNotificationsTextView.isVisible = !recipient.isMuted && !recipient.isLocalNumber
-        unMuteNotificationsTextView.setOnClickListener(this)
+        binding.unMuteNotificationsTextView.setOnClickListener(this)
-        muteNotificationsTextView.setOnClickListener(this)
+        binding.muteNotificationsTextView.setOnClickListener(this)
-        notificationsTextView.isVisible = recipient.isGroupRecipient && !recipient.isMuted
+        binding.notificationsTextView.isVisible = recipient.isGroupRecipient && !recipient.isMuted
-        notificationsTextView.setOnClickListener(this)
+        binding.notificationsTextView.setOnClickListener(this)
-        deleteTextView.setOnClickListener(this)
+        binding.deleteTextView.setOnClickListener(this)
-        pinTextView.isVisible = !thread.isPinned
+        binding.pinTextView.isVisible = !thread.isPinned
-        unpinTextView.isVisible = thread.isPinned
+        binding.unpinTextView.isVisible = thread.isPinned
-        pinTextView.setOnClickListener(this)
+        binding.pinTextView.setOnClickListener(this)
-        unpinTextView.setOnClickListener(this)
+        binding.unpinTextView.setOnClickListener(this)
     }
 
     override fun onStart() {

app/src/main/java/org/thoughtcrime/securesms/home/ConversationView.kt

@@ -11,8 +11,8 @@ import android.widget.LinearLayout
 import androidx.core.content.ContextCompat
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
-import kotlinx.android.synthetic.main.view_conversation.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewConversationBinding
 import org.session.libsession.utilities.recipients.Recipient
 import org.thoughtcrime.securesms.conversation.v2.utilities.MentionUtilities.highlightMentions
 import org.thoughtcrime.securesms.database.RecipientDatabase
@@ -22,6 +22,7 @@ import org.thoughtcrime.securesms.util.DateUtils
 import java.util.Locale
 
 class ConversationView : LinearLayout {
+    private lateinit var binding: ViewConversationBinding
     private val screenWidth = Resources.getSystem().displayMetrics.widthPixels
     var thread: ThreadRecord? = null
 
@@ -31,7 +32,7 @@ class ConversationView : LinearLayout {
     constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr) { initialize() }
 
     private fun initialize() {
-        LayoutInflater.from(context).inflate(R.layout.view_conversation, this)
+        binding = ViewConversationBinding.inflate(LayoutInflater.from(context), this, true)
         layoutParams = RecyclerView.LayoutParams(screenWidth, RecyclerView.LayoutParams.WRAP_CONTENT)
     }
     // endregion
@@ -39,83 +40,83 @@ class ConversationView : LinearLayout {
     // region Updating
     fun bind(thread: ThreadRecord, isTyping: Boolean, glide: GlideRequests) {
         this.thread = thread
-        if (thread.isPinned) {
+        background = if (thread.isPinned) {
-            conversationViewDisplayNameTextView.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, R.drawable.ic_pin, 0)
+            binding.conversationViewDisplayNameTextView.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, R.drawable.ic_pin, 0)
-            background = ContextCompat.getDrawable(context, R.drawable.conversation_pinned_background)
+            ContextCompat.getDrawable(context, R.drawable.conversation_pinned_background)
         } else {
-            conversationViewDisplayNameTextView.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, 0, 0)
+            binding.conversationViewDisplayNameTextView.setCompoundDrawablesRelativeWithIntrinsicBounds(0, 0, 0, 0)
-            background = ContextCompat.getDrawable(context, R.drawable.conversation_view_background)
+            ContextCompat.getDrawable(context, R.drawable.conversation_view_background)
         }
-        profilePictureView.glide = glide
+        binding.profilePictureView.glide = glide
         val unreadCount = thread.unreadCount
         if (thread.recipient.isBlocked) {
-            accentView.setBackgroundResource(R.color.destructive)
+            binding.accentView.setBackgroundResource(R.color.destructive)
-            accentView.visibility = View.VISIBLE
+            binding.accentView.visibility = View.VISIBLE
         } else {
-            accentView.setBackgroundResource(R.color.accent)
+            binding.accentView.setBackgroundResource(R.color.accent)
             // Using thread.isRead we can determine if the last message was our own, and display it as 'read' even though previous messages may not be
             // This would also not trigger the disappearing message timer which may or may not be desirable
-            accentView.visibility = if (unreadCount > 0 && !thread.isRead) View.VISIBLE else View.INVISIBLE
+            binding.accentView.visibility = if (unreadCount > 0 && !thread.isRead) View.VISIBLE else View.INVISIBLE
         }
         val formattedUnreadCount = if (thread.isRead) {
             null
         } else {
             if (unreadCount < 100) unreadCount.toString() else "99+"
         }
-        unreadCountTextView.text = formattedUnreadCount
+        binding.unreadCountTextView.text = formattedUnreadCount
         val textSize = if (unreadCount < 100) 12.0f else 9.0f
-        unreadCountTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, textSize)
+        binding.unreadCountTextView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, textSize)
-        unreadCountTextView.setTypeface(Typeface.DEFAULT, if (unreadCount < 100) Typeface.BOLD else Typeface.NORMAL)
+        binding.unreadCountTextView.setTypeface(Typeface.DEFAULT, if (unreadCount < 100) Typeface.BOLD else Typeface.NORMAL)
-        unreadCountIndicator.isVisible = (unreadCount != 0 && !thread.isRead)
+        binding.unreadCountIndicator.isVisible = (unreadCount != 0 && !thread.isRead)
         val senderDisplayName = getUserDisplayName(thread.recipient)
                 ?: thread.recipient.address.toString()
-        conversationViewDisplayNameTextView.text = senderDisplayName
+        binding.conversationViewDisplayNameTextView.text = senderDisplayName
-        timestampTextView.text = DateUtils.getDisplayFormattedTimeSpanString(context, Locale.getDefault(), thread.date)
+        binding.timestampTextView.text = DateUtils.getDisplayFormattedTimeSpanString(context, Locale.getDefault(), thread.date)
         val recipient = thread.recipient
-        muteIndicatorImageView.isVisible = recipient.isMuted || recipient.notifyType != RecipientDatabase.NOTIFY_TYPE_ALL
+        binding.muteIndicatorImageView.isVisible = recipient.isMuted || recipient.notifyType != RecipientDatabase.NOTIFY_TYPE_ALL
         val drawableRes = if (recipient.isMuted || recipient.notifyType == RecipientDatabase.NOTIFY_TYPE_NONE) {
             R.drawable.ic_outline_notifications_off_24
         } else {
             R.drawable.ic_notifications_mentions
         }
-        muteIndicatorImageView.setImageResource(drawableRes)
+        binding.muteIndicatorImageView.setImageResource(drawableRes)
         val rawSnippet = thread.getDisplayBody(context)
         val snippet = highlightMentions(rawSnippet, thread.threadId, context)
-        snippetTextView.text = snippet
+        binding.snippetTextView.text = snippet
-        snippetTextView.typeface = if (unreadCount > 0 && !thread.isRead) Typeface.DEFAULT_BOLD else Typeface.DEFAULT
+        binding.snippetTextView.typeface = if (unreadCount > 0 && !thread.isRead) Typeface.DEFAULT_BOLD else Typeface.DEFAULT
-        snippetTextView.visibility = if (isTyping) View.GONE else View.VISIBLE
+        binding.snippetTextView.visibility = if (isTyping) View.GONE else View.VISIBLE
         if (isTyping) {
-            typingIndicatorView.startAnimation()
+            binding.typingIndicatorView.startAnimation()
         } else {
-            typingIndicatorView.stopAnimation()
+            binding.typingIndicatorView.stopAnimation()
         }
-        typingIndicatorView.visibility = if (isTyping) View.VISIBLE else View.GONE
+        binding.typingIndicatorView.visibility = if (isTyping) View.VISIBLE else View.GONE
-        statusIndicatorImageView.visibility = View.VISIBLE
+        binding.statusIndicatorImageView.visibility = View.VISIBLE
         when {
-            !thread.isOutgoing -> statusIndicatorImageView.visibility = View.GONE
+            !thread.isOutgoing -> binding.statusIndicatorImageView.visibility = View.GONE
             thread.isFailed -> {
                 val drawable = ContextCompat.getDrawable(context, R.drawable.ic_error)?.mutate()
                 drawable?.setTint(ContextCompat.getColor(context, R.color.destructive))
-                statusIndicatorImageView.setImageDrawable(drawable)
+                binding.statusIndicatorImageView.setImageDrawable(drawable)
             }
-            thread.isPending -> statusIndicatorImageView.setImageResource(R.drawable.ic_circle_dot_dot_dot)
+            thread.isPending -> binding.statusIndicatorImageView.setImageResource(R.drawable.ic_circle_dot_dot_dot)
-            thread.isRead -> statusIndicatorImageView.setImageResource(R.drawable.ic_filled_circle_check)
+            thread.isRead -> binding.statusIndicatorImageView.setImageResource(R.drawable.ic_filled_circle_check)
-            else -> statusIndicatorImageView.setImageResource(R.drawable.ic_circle_check)
+            else -> binding.statusIndicatorImageView.setImageResource(R.drawable.ic_circle_check)
         }
         post {
-            profilePictureView.update(thread.recipient, thread.threadId)
+            binding.profilePictureView.update(thread.recipient)
         }
     }
 
     fun recycle() {
-        profilePictureView.recycle()
+        binding.profilePictureView.recycle()
     }
 
     private fun getUserDisplayName(recipient: Recipient): String? {
-        if (recipient.isLocalNumber) {
+        return if (recipient.isLocalNumber) {
-            return context.getString(R.string.note_to_self)
+            context.getString(R.string.note_to_self)
         } else {
-            return recipient.name // Internally uses the Contact API
+            recipient.name // Internally uses the Contact API
         }
     }
     // endregion

app/src/main/java/org/thoughtcrime/securesms/home/HomeActivity.kt

@@ -10,7 +10,6 @@ import android.os.Bundle
 import android.text.Spannable
 import android.text.SpannableString
 import android.text.style.ForegroundColorSpan
-import android.view.View
 import android.widget.Toast
 import androidx.core.os.bundleOf
 import androidx.core.view.isVisible
@@ -19,24 +18,22 @@ import androidx.lifecycle.lifecycleScope
 import androidx.loader.app.LoaderManager
 import androidx.loader.content.Loader
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
-import androidx.recyclerview.widget.LinearLayoutManager
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.android.synthetic.main.activity_home.*
-import kotlinx.android.synthetic.main.seed_reminder_stub.*
-import kotlinx.android.synthetic.main.seed_reminder_stub.view.*
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityHomeBinding
+import network.loki.messenger.databinding.SeedReminderStubBinding
 import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
 import org.greenrobot.eventbus.ThreadMode
 import org.session.libsession.messaging.jobs.JobQueue
 import org.session.libsession.messaging.sending_receiving.MessageSender
-import org.session.libsession.utilities.*
+import org.session.libsession.utilities.GroupUtil
-import org.session.libsession.utilities.Util
+import org.session.libsession.utilities.ProfilePictureModifiedEvent
-import org.session.libsignal.utilities.ThreadUtils
+import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsignal.utilities.toHexString
 import org.thoughtcrime.securesms.ApplicationContext
 import org.thoughtcrime.securesms.MuteDialog
@@ -58,13 +55,20 @@ import org.thoughtcrime.securesms.mms.GlideRequests
 import org.thoughtcrime.securesms.onboarding.SeedActivity
 import org.thoughtcrime.securesms.onboarding.SeedReminderViewDelegate
 import org.thoughtcrime.securesms.preferences.SettingsActivity
-import org.thoughtcrime.securesms.util.*
+import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
+import org.thoughtcrime.securesms.util.IP2Country
+import org.thoughtcrime.securesms.util.disableClipping
+import org.thoughtcrime.securesms.util.getColorWithID
+import org.thoughtcrime.securesms.util.push
+import org.thoughtcrime.securesms.util.show
 import java.io.IOException
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickListener,
     SeedReminderViewDelegate, NewConversationButtonSetViewDelegate, LoaderManager.LoaderCallbacks<Cursor> {
+
+    private lateinit var binding: ActivityHomeBinding
     private lateinit var glide: GlideRequests
     private var broadcastReceiver: BroadcastReceiver? = null
 
@@ -75,57 +79,57 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
     private val publicKey: String
         get() = TextSecurePreferences.getLocalNumber(this)!!
 
-    private val homeAdapter:HomeAdapter by lazy {
+    private val homeAdapter: HomeAdapter by lazy {
-        HomeAdapter(this, threadDb.conversationList)
+        HomeAdapter(context = this, cursor = threadDb.conversationList, listener = this)
     }
 
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
         super.onCreate(savedInstanceState, isReady)
         // Set content view
-        setContentView(R.layout.activity_home)
+        binding = ActivityHomeBinding.inflate(layoutInflater)
+        setContentView(binding.root)
         // Set custom toolbar
-        setSupportActionBar(toolbar)
+        setSupportActionBar(binding.toolbar)
         // Set up Glide
         glide = GlideApp.with(this)
         // Set up toolbar buttons
-        profileButton.glide = glide
+        binding.profileButton.glide = glide
-        profileButton.setOnClickListener { openSettings() }
+        binding.profileButton.setOnClickListener { openSettings() }
-        pathStatusViewContainer.disableClipping()
+        binding.pathStatusViewContainer.disableClipping()
-        pathStatusViewContainer.setOnClickListener { showPath() }
+        binding.pathStatusViewContainer.setOnClickListener { showPath() }
         // Set up seed reminder view
         val hasViewedSeed = TextSecurePreferences.getHasViewedSeed(this)
         if (!hasViewedSeed) {
-            seedReminderStub.inflate().apply {
+            binding.seedReminderStub.setOnInflateListener { _, inflated ->
-                val seedReminderView = this.seedReminderView
+                val stubBinding = SeedReminderStubBinding.bind(inflated)
                 val seedReminderViewTitle = SpannableString("You're almost finished! 80%") // Intentionally not yet translated
                 seedReminderViewTitle.setSpan(ForegroundColorSpan(resources.getColorWithID(R.color.accent, theme)), 24, 27, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-                seedReminderView.title = seedReminderViewTitle
+                stubBinding.seedReminderView.title = seedReminderViewTitle
-                seedReminderView.subtitle = resources.getString(R.string.view_seed_reminder_subtitle_1)
+                stubBinding.seedReminderView.subtitle = resources.getString(R.string.view_seed_reminder_subtitle_1)
-                seedReminderView.setProgress(80, false)
+                stubBinding.seedReminderView.setProgress(80, false)
-                seedReminderView.delegate = this@HomeActivity
+                stubBinding.seedReminderView.delegate = this@HomeActivity
             }
+            binding.seedReminderStub.inflate()
         } else {
-            seedReminderStub.isVisible = false
+            binding.seedReminderStub.isVisible = false
         }
         // Set up recycler view
         homeAdapter.setHasStableIds(true)
         homeAdapter.glide = glide
-        homeAdapter.conversationClickListener = this
+        binding.recyclerView.adapter = homeAdapter
-        recyclerView.adapter = homeAdapter
-        recyclerView.layoutManager = LinearLayoutManager(this)
         // Set up empty state view
-        createNewPrivateChatButton.setOnClickListener { createNewPrivateChat() }
+        binding.createNewPrivateChatButton.setOnClickListener { createNewPrivateChat() }
         IP2Country.configureIfNeeded(this@HomeActivity)
         // This is a workaround for the fact that CursorRecyclerViewAdapter doesn't actually auto-update (even though it says it will)
         LoaderManager.getInstance(this).restartLoader(0, null, this)
         // Set up new conversation button set
-        newConversationButtonSet.delegate = this
+        binding.newConversationButtonSet.delegate = this
         // Observe blocked contacts changed events
         val broadcastReceiver = object : BroadcastReceiver() {
 
             override fun onReceive(context: Context, intent: Intent) {
-                recyclerView.adapter!!.notifyDataSetChanged()
+                binding.recyclerView.adapter!!.notifyDataSetChanged()
             }
         }
         this.broadcastReceiver = broadcastReceiver
@@ -138,7 +142,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
                 // Set up typing observer
                 withContext(Dispatchers.Main) {
                     ApplicationContext.getInstance(this@HomeActivity).typingStatusRepository.typingThreads.observe(this@HomeActivity, Observer<Set<Long>> { threadIDs ->
-                        val adapter = recyclerView.adapter as HomeAdapter
+                        val adapter = binding.recyclerView.adapter as HomeAdapter
                         adapter.typingThreadIDs = threadIDs ?: setOf()
                     })
                     updateProfileButton()
@@ -177,11 +181,11 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
         ApplicationContext.getInstance(this).messageNotifier.setHomeScreenVisible(true)
         if (TextSecurePreferences.getLocalNumber(this) == null) { return; } // This can be the case after a secondary device is auto-cleared
         IdentityKeyUtil.checkUpdate(this)
-        profileButton.recycle() // clear cached image before update tje profilePictureView
+        binding.profileButton.recycle() // clear cached image before update tje profilePictureView
-        profileButton.update()
+        binding.profileButton.update()
         val hasViewedSeed = TextSecurePreferences.getHasViewedSeed(this)
         if (hasViewedSeed) {
-            seedReminderView?.isVisible = false
+            binding.seedReminderStub.isVisible = false
         }
         if (TextSecurePreferences.getConfigurationMessageSynced(this)) {
             lifecycleScope.launch(Dispatchers.IO) {
@@ -214,8 +218,8 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
 
     // region Updating
     private fun updateEmptyState() {
-        val threadCount = (recyclerView.adapter as HomeAdapter).itemCount
+        val threadCount = (binding.recyclerView.adapter as HomeAdapter).itemCount
-        emptyStateContainer.visibility = if (threadCount == 0) View.VISIBLE else View.GONE
+        binding.emptyStateContainer.isVisible = threadCount == 0
     }
 
     @Subscribe(threadMode = ThreadMode.MAIN)
@@ -226,10 +230,10 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
     }
 
     private fun updateProfileButton() {
-        profileButton.publicKey = publicKey
+        binding.profileButton.publicKey = publicKey
-        profileButton.displayName = TextSecurePreferences.getProfileName(this)
+        binding.profileButton.displayName = TextSecurePreferences.getProfileName(this)
-        profileButton.recycle()
+        binding.profileButton.recycle()
-        profileButton.update()
+        binding.profileButton.update()
     }
     // endregion
 
@@ -239,13 +243,13 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
         show(intent)
     }
 
-    override fun onConversationClick(view: ConversationView) {
+    override fun onConversationClick(thread: ThreadRecord) {
-        val thread = view.thread ?: return
+        val intent = Intent(this, ConversationActivityV2::class.java)
-        openConversation(thread)
+        intent.putExtra(ConversationActivityV2.THREAD_ID, thread.threadId)
+        push(intent)
     }
 
-    override fun onLongConversationClick(view: ConversationView) {
+    override fun onLongConversationClick(thread: ThreadRecord) {
-        val thread = view.thread ?: return
         val bottomSheet = ConversationOptionsBottomSheet()
         bottomSheet.thread = thread
         bottomSheet.onViewDetailsTapped = {
@@ -286,15 +290,11 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
         }
         bottomSheet.onPinTapped = {
             bottomSheet.dismiss()
-            if (!thread.isPinned) {
+            setConversationPinned(thread.threadId, true)
-                pinConversation(thread)
-            }
         }
         bottomSheet.onUnpinTapped = {
             bottomSheet.dismiss()
-            if (thread.isPinned) {
+            setConversationPinned(thread.threadId, false)
-                unpinConversation(thread)
-            }
         }
         bottomSheet.show(supportFragmentManager, bottomSheet.tag)
     }
@@ -305,10 +305,10 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
                 .setMessage(R.string.RecipientPreferenceActivity_you_will_no_longer_receive_messages_and_calls_from_this_contact)
                 .setNegativeButton(android.R.string.cancel, null)
                 .setPositiveButton(R.string.RecipientPreferenceActivity_block) { dialog, _ ->
-                    ThreadUtils.queue {
+                    lifecycleScope.launch(Dispatchers.IO) {
                         recipientDatabase.setBlocked(thread.recipient, true)
-                        Util.runOnMain {
+                        withContext(Dispatchers.Main) {
-                            recyclerView.adapter!!.notifyDataSetChanged()
+                            binding.recyclerView.adapter!!.notifyDataSetChanged()
                             dialog.dismiss()
                         }
                     }
@@ -321,10 +321,10 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
                 .setMessage(R.string.RecipientPreferenceActivity_you_will_once_again_be_able_to_receive_messages_and_calls_from_this_contact)
                 .setNegativeButton(android.R.string.cancel, null)
                 .setPositiveButton(R.string.RecipientPreferenceActivity_unblock) { dialog, _ ->
-                    ThreadUtils.queue {
+                    lifecycleScope.launch(Dispatchers.IO) {
                         recipientDatabase.setBlocked(thread.recipient, false)
-                        Util.runOnMain {
+                        withContext(Dispatchers.Main) {
-                            recyclerView.adapter!!.notifyDataSetChanged()
+                            binding.recyclerView.adapter!!.notifyDataSetChanged()
                             dialog.dismiss()
                         }
                     }
@@ -333,18 +333,18 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
 
     private fun setConversationMuted(thread: ThreadRecord, isMuted: Boolean) {
         if (!isMuted) {
-            ThreadUtils.queue {
+            lifecycleScope.launch(Dispatchers.IO) {
                 recipientDatabase.setMuted(thread.recipient, 0)
-                Util.runOnMain {
+                withContext(Dispatchers.Main) {
-                    recyclerView.adapter!!.notifyDataSetChanged()
+                    binding.recyclerView.adapter!!.notifyDataSetChanged()
                 }
             }
         } else {
             MuteDialog.show(this) { until: Long ->
-                ThreadUtils.queue {
+                lifecycleScope.launch(Dispatchers.IO) {
                     recipientDatabase.setMuted(thread.recipient, until)
-                    Util.runOnMain {
+                    withContext(Dispatchers.Main) {
-                        recyclerView.adapter!!.notifyDataSetChanged()
+                        binding.recyclerView.adapter!!.notifyDataSetChanged()
                     }
                 }
             }
@@ -352,28 +352,19 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
     }
 
     private fun setNotifyType(thread: ThreadRecord, newNotifyType: Int) {
-        ThreadUtils.queue {
+        lifecycleScope.launch(Dispatchers.IO) {
             recipientDatabase.setNotifyType(thread.recipient, newNotifyType)
-            Util.runOnMain {
+            withContext(Dispatchers.Main) {
-                recyclerView.adapter!!.notifyDataSetChanged()
+                binding.recyclerView.adapter!!.notifyDataSetChanged()
             }
         }
     }
 
-    private fun pinConversation(thread: ThreadRecord) {
+    private fun setConversationPinned(threadId: Long, pinned: Boolean) {
-        ThreadUtils.queue {
+        lifecycleScope.launch(Dispatchers.IO) {
-            threadDb.setPinned(thread.threadId, true)
+            threadDb.setPinned(threadId, pinned)
-            Util.runOnMain {
+            withContext(Dispatchers.Main) {
-                LoaderManager.getInstance(this).restartLoader(0, null, this)
+                LoaderManager.getInstance(this@HomeActivity).restartLoader(0, null, this@HomeActivity)
-            }
-        }
-    }
-
-    private fun unpinConversation(thread: ThreadRecord) {
-        ThreadUtils.queue {
-            threadDb.setPinned(thread.threadId, false)
-            Util.runOnMain {
-                LoaderManager.getInstance(this).restartLoader(0, null, this)
             }
         }
     }
@@ -381,16 +372,15 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
     private fun deleteConversation(thread: ThreadRecord) {
         val threadID = thread.threadId
         val recipient = thread.recipient
-        val message: String
+        val message = if (recipient.isGroupRecipient) {
-        if (recipient.isGroupRecipient) {
             val group = groupDatabase.getGroup(recipient.address.toString()).orNull()
             if (group != null && group.admins.map { it.toString() }.contains(TextSecurePreferences.getLocalNumber(this))) {
-                message = "Because you are the creator of this group it will be deleted for everyone. This cannot be undone."
+                "Because you are the creator of this group it will be deleted for everyone. This cannot be undone."
             } else {
-                message = resources.getString(R.string.activity_home_leave_group_dialog_message)
+                resources.getString(R.string.activity_home_leave_group_dialog_message)
             }
         } else {
-            message = resources.getString(R.string.activity_home_delete_conversation_dialog_message)
+            resources.getString(R.string.activity_home_delete_conversation_dialog_message)
         }
         val dialog = AlertDialog.Builder(this)
         dialog.setMessage(message)
@@ -419,7 +409,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
                 if (v2OpenGroup != null) {
                     OpenGroupManager.delete(v2OpenGroup.server, v2OpenGroup.room, this@HomeActivity)
                 } else {
-                    ThreadUtils.queue {
+                    lifecycleScope.launch(Dispatchers.IO) {
                         threadDb.deleteConversation(threadID)
                     }
                 }
@@ -436,12 +426,6 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
         dialog.create().show()
     }
 
-    private fun openConversation(thread: ThreadRecord) {
-        val intent = Intent(this, ConversationActivityV2::class.java)
-        intent.putExtra(ConversationActivityV2.THREAD_ID, thread.threadId)
-        push(intent)
-    }
-
     private fun openSettings() {
         val intent = Intent(this, SettingsActivity::class.java)
         show(intent, isForResult = true)

app/src/main/java/org/thoughtcrime/securesms/home/HomeAdapter.kt

@@ -9,20 +9,23 @@ import org.thoughtcrime.securesms.database.model.ThreadRecord
 import org.thoughtcrime.securesms.dependencies.DatabaseComponent
 import org.thoughtcrime.securesms.mms.GlideRequests
 
-class HomeAdapter(context: Context, cursor: Cursor?) : CursorRecyclerViewAdapter<HomeAdapter.ViewHolder>(context, cursor) {
+class HomeAdapter(
+    context: Context,
+    cursor: Cursor?,
+    val listener: ConversationClickListener
+) : CursorRecyclerViewAdapter<HomeAdapter.ViewHolder>(context, cursor) {
     private val threadDatabase = DatabaseComponent.get(context).threadDatabase()
     lateinit var glide: GlideRequests
     var typingThreadIDs = setOf<Long>()
         set(value) { field = value; notifyDataSetChanged() }
-    var conversationClickListener: ConversationClickListener? = null
 
     class ViewHolder(val view: ConversationView) : RecyclerView.ViewHolder(view)
 
     override fun onCreateItemViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         val view = ConversationView(context)
-        view.setOnClickListener { conversationClickListener?.onConversationClick(view) }
+        view.setOnClickListener { view.thread?.let { listener.onConversationClick(it) } }
         view.setOnLongClickListener {
-            conversationClickListener?.onLongConversationClick(view)
+            view.thread?.let { listener.onLongConversationClick(it) }
             true
         }
         return ViewHolder(view)
@@ -45,6 +48,6 @@ class HomeAdapter(context: Context, cursor: Cursor?) : CursorRecyclerViewAdapter
 }
 
 interface ConversationClickListener {
-    fun onConversationClick(view: ConversationView)
+    fun onConversationClick(thread: ThreadRecord)
-    fun onLongConversationClick(view: ConversationView)
+    fun onLongConversationClick(thread: ThreadRecord)
 }

app/src/main/java/org/thoughtcrime/securesms/home/PathActivity.kt

@@ -17,26 +17,33 @@ import android.widget.TextView
 import android.widget.Toast
 import androidx.annotation.ColorRes
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
-import kotlinx.android.synthetic.main.activity_path.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityPathBinding
 import org.session.libsession.snode.OnionRequestAPI
 import org.session.libsignal.utilities.Snode
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
-import org.thoughtcrime.securesms.util.*
 import org.thoughtcrime.securesms.util.GlowViewUtilities
 import org.thoughtcrime.securesms.util.IP2Country
 import org.thoughtcrime.securesms.util.PathDotView
+import org.thoughtcrime.securesms.util.UiModeUtilities
+import org.thoughtcrime.securesms.util.animateSizeChange
+import org.thoughtcrime.securesms.util.disableClipping
+import org.thoughtcrime.securesms.util.fadeIn
+import org.thoughtcrime.securesms.util.fadeOut
+import org.thoughtcrime.securesms.util.getColorWithID
 
 class PathActivity : PassphraseRequiredActionBarActivity() {
+    private lateinit var binding: ActivityPathBinding
     private val broadcastReceivers = mutableListOf<BroadcastReceiver>()
 
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
         super.onCreate(savedInstanceState, isReady)
-        setContentView(R.layout.activity_path)
+        binding = ActivityPathBinding.inflate(layoutInflater)
+        setContentView(binding.root)
         supportActionBar!!.title = resources.getString(R.string.activity_path_title)
-        pathRowsContainer.disableClipping()
+        binding.pathRowsContainer.disableClipping()
-        learnMoreButton.setOnClickListener { learnMore() }
+        binding.learnMoreButton.setOnClickListener { learnMore() }
         update(false)
         registerObservers()
     }
@@ -82,7 +89,7 @@ class PathActivity : PassphraseRequiredActionBarActivity() {
     private fun handleOnionRequestPathCountriesLoaded() { update(false) }
 
     private fun update(isAnimated: Boolean) {
-        pathRowsContainer.removeAllViews()
+        binding.pathRowsContainer.removeAllViews()
         if (OnionRequestAPI.paths.isNotEmpty()) {
             val path = OnionRequestAPI.paths.firstOrNull() ?: return finish()
             val dotAnimationRepeatInterval = path.count().toLong() * 1000 + 1000
@@ -94,18 +101,18 @@ class PathActivity : PassphraseRequiredActionBarActivity() {
             val destinationRow = getPathRow(resources.getString(R.string.activity_path_destination_row_title), null, LineView.Location.Bottom, path.count().toLong() * 1000 + 2000, dotAnimationRepeatInterval)
             val rows = listOf( youRow ) + pathRows + listOf( destinationRow )
             for (row in rows) {
-                pathRowsContainer.addView(row)
+                binding.pathRowsContainer.addView(row)
             }
             if (isAnimated) {
-                spinner.fadeOut()
+                binding.spinner.fadeOut()
             } else {
-                spinner.alpha = 0.0f
+                binding.spinner.alpha = 0.0f
             }
         } else {
             if (isAnimated) {
-                spinner.fadeIn()
+                binding.spinner.fadeIn()
             } else {
-                spinner.alpha = 1.0f
+                binding.spinner.alpha = 1.0f
             }
         }
     }

app/src/main/java/org/thoughtcrime/securesms/home/UserDetailsBottomSheet.kt

@@ -14,10 +14,9 @@ import android.view.inputmethod.InputMethodManager
 import android.widget.Toast
 import androidx.core.view.isVisible
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
-import dagger.hilt.EntryPoint
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.android.synthetic.main.fragment_user_details_bottom_sheet.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.FragmentUserDetailsBottomSheetBinding
 import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsession.messaging.contacts.Contact
 import org.session.libsession.utilities.Address
@@ -34,13 +33,15 @@ class UserDetailsBottomSheet : BottomSheetDialogFragment() {
 
     @Inject lateinit var threadDb: ThreadDatabase
 
+    private lateinit var binding: FragmentUserDetailsBottomSheetBinding
     companion object {
         const val ARGUMENT_PUBLIC_KEY = "publicKey"
         const val ARGUMENT_THREAD_ID = "threadId"
     }
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_user_details_bottom_sheet, container, false)
+        binding = FragmentUserDetailsBottomSheetBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -49,58 +50,62 @@ class UserDetailsBottomSheet : BottomSheetDialogFragment() {
         val threadID = arguments?.getLong(ARGUMENT_THREAD_ID) ?: return dismiss()
         val recipient = Recipient.from(requireContext(), Address.fromSerialized(publicKey), false)
         val threadRecipient = threadDb.getRecipientForThreadId(threadID) ?: return dismiss()
-        profilePictureView.publicKey = publicKey
+        with(binding) {
-        profilePictureView.glide = GlideApp.with(this)
+            profilePictureView.publicKey = publicKey
-        profilePictureView.isLarge = true
+            profilePictureView.glide = GlideApp.with(this@UserDetailsBottomSheet)
-        profilePictureView.update(recipient, -1)
+            profilePictureView.isLarge = true
-        nameTextViewContainer.visibility = View.VISIBLE
+            profilePictureView.update(recipient)
-        nameTextViewContainer.setOnClickListener {
-            nameTextViewContainer.visibility = View.INVISIBLE
-            nameEditTextContainer.visibility = View.VISIBLE
-            nicknameEditText.text = null
-            nicknameEditText.requestFocus()
-            showSoftKeyboard()
-        }
-        cancelNicknameEditingButton.setOnClickListener {
-            nicknameEditText.clearFocus()
-            hideSoftKeyboard()
             nameTextViewContainer.visibility = View.VISIBLE
-            nameEditTextContainer.visibility = View.INVISIBLE
+            nameTextViewContainer.setOnClickListener {
-        }
+                nameTextViewContainer.visibility = View.INVISIBLE
-        saveNicknameButton.setOnClickListener {
+                nameEditTextContainer.visibility = View.VISIBLE
-            saveNickName(recipient)
+                nicknameEditText.text = null
-        }
+                nicknameEditText.requestFocus()
-        nicknameEditText.setOnEditorActionListener { _, actionId, _ ->
+                showSoftKeyboard()
-            when (actionId) {
-                EditorInfo.IME_ACTION_DONE -> {
-                    saveNickName(recipient)
-                    return@setOnEditorActionListener true
-                }
-                else -> return@setOnEditorActionListener false
             }
-        }
+            cancelNicknameEditingButton.setOnClickListener {
-        nameTextView.text = recipient.name ?: publicKey // Uses the Contact API internally
+                nicknameEditText.clearFocus()
+                hideSoftKeyboard()
+                nameTextViewContainer.visibility = View.VISIBLE
+                nameEditTextContainer.visibility = View.INVISIBLE
+            }
+            saveNicknameButton.setOnClickListener {
+                saveNickName(recipient)
+            }
+            nicknameEditText.setOnEditorActionListener { _, actionId, _ ->
+                when (actionId) {
+                    EditorInfo.IME_ACTION_DONE -> {
+                        saveNickName(recipient)
+                        return@setOnEditorActionListener true
+                    }
+                    else -> return@setOnEditorActionListener false
+                }
+            }
+            nameTextView.text = recipient.name ?: publicKey // Uses the Contact API internally
 
-        publicKeyTextView.isVisible = !threadRecipient.isOpenGroupRecipient
+            publicKeyTextView.isVisible = !threadRecipient.isOpenGroupRecipient
-        messageButton.isVisible = !threadRecipient.isOpenGroupRecipient
+            messageButton.isVisible = !threadRecipient.isOpenGroupRecipient
-        publicKeyTextView.text = publicKey
+            publicKeyTextView.text = publicKey
-        publicKeyTextView.setOnLongClickListener {
+            publicKeyTextView.setOnLongClickListener {
-            val clipboard = requireContext().getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+                val clipboard =
-            val clip = ClipData.newPlainText("Session ID", publicKey)
+                    requireContext().getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
-            clipboard.setPrimaryClip(clip)
+                val clip = ClipData.newPlainText("Session ID", publicKey)
-            Toast.makeText(requireContext(), R.string.copied_to_clipboard, Toast.LENGTH_SHORT).show()
+                clipboard.setPrimaryClip(clip)
-            true
+                Toast.makeText(requireContext(), R.string.copied_to_clipboard, Toast.LENGTH_SHORT)
-        }
+                    .show()
-        messageButton.setOnClickListener {
+                true
-            val threadId = MessagingModuleConfiguration.shared.storage.getThreadId(recipient)
+            }
-            val intent = Intent(
+            messageButton.setOnClickListener {
-                context,
+                val threadId = MessagingModuleConfiguration.shared.storage.getThreadId(recipient)
-                ConversationActivityV2::class.java
+                val intent = Intent(
-            )
+                    context,
-            intent.putExtra(ConversationActivityV2.ADDRESS, recipient.address)
+                    ConversationActivityV2::class.java
-            intent.putExtra(ConversationActivityV2.THREAD_ID, threadId ?: -1)
+                )
-            startActivity(intent)
+                intent.putExtra(ConversationActivityV2.ADDRESS, recipient.address)
-            dismiss()
+                intent.putExtra(ConversationActivityV2.THREAD_ID, threadId ?: -1)
+                startActivity(intent)
+                dismiss()
+            }
         }
     }
 
@@ -111,7 +116,7 @@ class UserDetailsBottomSheet : BottomSheetDialogFragment() {
         window.setDimAmount(if (isLightMode) 0.1f else 0.75f)
     }
 
-    fun saveNickName(recipient: Recipient) {
+    fun saveNickName(recipient: Recipient) = with(binding) {
         nicknameEditText.clearFocus()
         hideSoftKeyboard()
         nameTextViewContainer.visibility = View.VISIBLE
@@ -131,11 +136,11 @@ class UserDetailsBottomSheet : BottomSheetDialogFragment() {
     @SuppressLint("ServiceCast")
     fun showSoftKeyboard() {
         val imm = context?.getSystemService(Context.INPUT_METHOD_SERVICE) as? InputMethodManager
-        imm?.showSoftInput(nicknameEditText, 0)
+        imm?.showSoftInput(binding.nicknameEditText, 0)
     }
 
     fun hideSoftKeyboard() {
         val imm = context?.getSystemService(Context.INPUT_METHOD_SERVICE) as? InputMethodManager
-        imm?.hideSoftInputFromWindow(nicknameEditText.windowToken, 0)
+        imm?.hideSoftInputFromWindow(binding.nicknameEditText.windowToken, 0)
     }
 }

app/src/main/java/org/thoughtcrime/securesms/mediasend/Camera1Fragment.java

@@ -1,7 +1,7 @@
 package org.thoughtcrime.securesms.mediasend;
 
 import android.annotation.SuppressLint;
-import androidx.lifecycle.ViewModelProviders;
+import androidx.lifecycle.ViewModelProvider;
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Matrix;
@@ -80,7 +80,7 @@ public class Camera1Fragment extends Fragment implements TextureView.SurfaceText
     controller    = (Controller) getActivity();
     camera        = new Camera1Controller(TextSecurePreferences.getDirectCaptureCameraId(getContext()), displaySize.x, displaySize.y, this);
     orderEnforcer = new OrderEnforcer<>(Stage.SURFACE_AVAILABLE, Stage.CAMERA_PROPERTIES_AVAILABLE);
-    viewModel     = ViewModelProviders.of(requireActivity(), new MediaSendViewModel.Factory(requireActivity().getApplication(), new MediaRepository())).get(MediaSendViewModel.class);
+    viewModel     = new ViewModelProvider(requireActivity(), new MediaSendViewModel.Factory(requireActivity().getApplication(), new MediaRepository())).get(MediaSendViewModel.class);
   }
 
   @Nullable

app/src/main/java/org/thoughtcrime/securesms/mediasend/MediaPickerItemFragment.java

@@ -1,7 +1,7 @@
 package org.thoughtcrime.securesms.mediasend;
 
 import androidx.appcompat.app.ActionBar;
-import androidx.lifecycle.ViewModelProviders;
+import androidx.lifecycle.ViewModelProvider;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Point;
@@ -66,7 +66,7 @@ public class MediaPickerItemFragment extends Fragment implements MediaPickerItem
     bucketId     = getArguments().getString(KEY_BUCKET_ID);
     folderTitle  = getArguments().getString(KEY_FOLDER_TITLE);
     maxSelection = getArguments().getInt(KEY_MAX_SELECTION);
-    viewModel    = ViewModelProviders.of(requireActivity(), new MediaSendViewModel.Factory(requireActivity().getApplication(), new MediaRepository())).get(MediaSendViewModel.class);
+    viewModel    = new ViewModelProvider(requireActivity(), new MediaSendViewModel.Factory(requireActivity().getApplication(), new MediaRepository())).get(MediaSendViewModel.class);
   }
 
   @Override

app/src/main/java/org/thoughtcrime/securesms/mediasend/MediaSendFragment.java

@@ -1,7 +1,7 @@
 package org.thoughtcrime.securesms.mediasend;
 
 import android.annotation.SuppressLint;
-import androidx.lifecycle.ViewModelProviders;
+import androidx.lifecycle.ViewModelProvider;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Rect;
@@ -313,7 +313,7 @@ public class MediaSendFragment extends Fragment implements ViewTreeObserver.OnGl
   }
 
   private void initViewModel() {
-    viewModel = ViewModelProviders.of(requireActivity(), new MediaSendViewModel.Factory(requireActivity().getApplication(), new MediaRepository())).get(MediaSendViewModel.class);
+    viewModel = new ViewModelProvider(requireActivity(), new MediaSendViewModel.Factory(requireActivity().getApplication(), new MediaRepository())).get(MediaSendViewModel.class);
 
     viewModel.getSelectedMedia().observe(this, media -> {
       if (Util.isEmpty(media)) {

app/src/main/java/org/thoughtcrime/securesms/onboarding/DisplayNameActivity.kt

@@ -7,8 +7,8 @@ import android.view.inputmethod.EditorInfo
 import android.view.inputmethod.InputMethodManager
 import android.widget.TextView.OnEditorActionListener
 import android.widget.Toast
-import kotlinx.android.synthetic.main.activity_display_name.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityDisplayNameBinding
 import org.session.libsession.utilities.SSKEnvironment.ProfileManagerProtocol
 import org.thoughtcrime.securesms.BaseActionBarActivity
 import org.thoughtcrime.securesms.util.push
@@ -16,28 +16,32 @@ import org.thoughtcrime.securesms.util.setUpActionBarSessionLogo
 import org.session.libsession.utilities.TextSecurePreferences
 
 class DisplayNameActivity : BaseActionBarActivity() {
+    private lateinit var binding: ActivityDisplayNameBinding
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setUpActionBarSessionLogo()
-        setContentView(R.layout.activity_display_name)
+        binding = ActivityDisplayNameBinding.inflate(layoutInflater)
-        displayNameEditText.imeOptions = displayNameEditText.imeOptions or 16777216 // Always use incognito keyboard
+        setContentView(binding.root)
-        displayNameEditText.setOnEditorActionListener(
+        with(binding) {
-                OnEditorActionListener { _, actionID, event ->
+            displayNameEditText.imeOptions = displayNameEditText.imeOptions or 16777216 // Always use incognito keyboard
-                    if (actionID == EditorInfo.IME_ACTION_SEARCH ||
+            displayNameEditText.setOnEditorActionListener(
-                        actionID == EditorInfo.IME_ACTION_DONE ||
+                    OnEditorActionListener { _, actionID, event ->
-                       (event.action == KeyEvent.ACTION_DOWN &&
+                        if (actionID == EditorInfo.IME_ACTION_SEARCH ||
-                        event.keyCode == KeyEvent.KEYCODE_ENTER)) {
+                            actionID == EditorInfo.IME_ACTION_DONE ||
-                        this.register()
+                           (event.action == KeyEvent.ACTION_DOWN &&
-                        return@OnEditorActionListener true
+                            event.keyCode == KeyEvent.KEYCODE_ENTER)) {
-                    }
+                            register()
-                    false
+                            return@OnEditorActionListener true
-                })
+                        }
-        registerButton.setOnClickListener { register() }
+                        false
+                    })
+            registerButton.setOnClickListener { register() }
+        }
     }
 
     private fun register() {
-        val displayName = displayNameEditText.text.toString().trim()
+        val displayName = binding.displayNameEditText.text.toString().trim()
         if (displayName.isEmpty()) {
             return Toast.makeText(this, R.string.activity_display_name_display_name_missing_error, Toast.LENGTH_SHORT).show()
         }
@@ -45,7 +49,7 @@ class DisplayNameActivity : BaseActionBarActivity() {
             return Toast.makeText(this, R.string.activity_display_name_display_name_too_long_error, Toast.LENGTH_SHORT).show()
         }
         val inputMethodManager = getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
-        inputMethodManager.hideSoftInputFromWindow(displayNameEditText.windowToken, 0)
+        inputMethodManager.hideSoftInputFromWindow(binding.displayNameEditText.windowToken, 0)
         TextSecurePreferences.setProfileName(this, displayName)
         val intent = Intent(this, PNModeActivity::class.java)
         push(intent)

app/src/main/java/org/thoughtcrime/securesms/onboarding/FakeChatView.kt

@@ -3,19 +3,17 @@ package org.thoughtcrime.securesms.onboarding
 import android.animation.FloatEvaluator
 import android.animation.ValueAnimator
 import android.content.Context
-import android.content.Context.LAYOUT_INFLATER_SERVICE
 import android.os.Handler
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
-import android.widget.LinearLayout
 import android.widget.ScrollView
-import kotlinx.android.synthetic.main.view_fake_chat.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ViewFakeChatBinding
 import org.thoughtcrime.securesms.util.disableClipping
 
 class FakeChatView : ScrollView {
-
+    private lateinit var binding: ViewFakeChatBinding
     // region Settings
     private val spacing = context.resources.getDimension(R.dimen.medium_spacing)
     private val startDelay: Long = 1000
@@ -41,17 +39,15 @@ class FakeChatView : ScrollView {
     }
 
     private fun setUpViewHierarchy() {
-        val inflater = context.getSystemService(LAYOUT_INFLATER_SERVICE) as LayoutInflater
+        binding = ViewFakeChatBinding.inflate(LayoutInflater.from(context), this, true)
-        val contentView = inflater.inflate(R.layout.view_fake_chat, null) as LinearLayout
+        binding.root.disableClipping()
-        contentView.disableClipping()
-        addView(contentView)
         isVerticalScrollBarEnabled = false
     }
     // endregion
 
     // region Animation
     fun startAnimating() {
-        listOf( bubble1, bubble2, bubble3, bubble4, bubble5 ).forEach { it.alpha = 0.0f }
+        listOf( binding.bubble1, binding.bubble2, binding.bubble3, binding.bubble4, binding.bubble5 ).forEach { it.alpha = 0.0f }
         fun show(bubble: View) {
             val animation = ValueAnimator.ofObject(FloatEvaluator(), 0.0f, 1.0f)
             animation.duration = animationDuration
@@ -61,18 +57,18 @@ class FakeChatView : ScrollView {
             animation.start()
         }
         Handler().postDelayed({
-            show(bubble1)
+            show(binding.bubble1)
             Handler().postDelayed({
-                show(bubble2)
+                show(binding.bubble2)
                 Handler().postDelayed({
-                    show(bubble3)
+                    show(binding.bubble3)
-                    smoothScrollTo(0, (bubble1.height + spacing).toInt())
+                    smoothScrollTo(0, (binding.bubble1.height + spacing).toInt())
                     Handler().postDelayed({
-                        show(bubble4)
+                        show(binding.bubble4)
-                        smoothScrollTo(0, (bubble1.height + spacing).toInt() + (bubble2.height + spacing).toInt())
+                        smoothScrollTo(0, (binding.bubble1.height + spacing).toInt() + (binding.bubble2.height + spacing).toInt())
                         Handler().postDelayed({
-                            show(bubble5)
+                            show(binding.bubble5)
-                            smoothScrollTo(0, (bubble1.height + spacing).toInt() + (bubble2.height + spacing).toInt() + (bubble3.height + spacing).toInt())
+                            smoothScrollTo(0, (binding.bubble1.height + spacing).toInt() + (binding.bubble2.height + spacing).toInt() + (binding.bubble3.height + spacing).toInt())
                         }, delayBetweenMessages)
                     }, delayBetweenMessages)
                 }, delayBetweenMessages)

app/src/main/java/org/thoughtcrime/securesms/onboarding/LandingActivity.kt

@@ -2,25 +2,27 @@ package org.thoughtcrime.securesms.onboarding
 
 import android.content.Intent
 import android.os.Bundle
-import android.view.View
+import network.loki.messenger.databinding.ActivityLandingBinding
-import network.loki.messenger.R
 import org.session.libsession.utilities.TextSecurePreferences
 import org.thoughtcrime.securesms.BaseActionBarActivity
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil
+import org.thoughtcrime.securesms.service.KeyCachingService
 import org.thoughtcrime.securesms.util.push
 import org.thoughtcrime.securesms.util.setUpActionBarSessionLogo
-import org.thoughtcrime.securesms.service.KeyCachingService
 
 class LandingActivity : BaseActionBarActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_landing)
+        val binding = ActivityLandingBinding.inflate(layoutInflater)
+        setContentView(binding.root)
         setUpActionBarSessionLogo(true)
-        findViewById<FakeChatView>(R.id.fakeChatView).startAnimating()
+        with(binding) {
-        findViewById<View>(R.id.registerButton).setOnClickListener { register() }
+            fakeChatView.startAnimating()
-        findViewById<View>(R.id.restoreButton).setOnClickListener { restore() }
+            registerButton.setOnClickListener { register() }
-        findViewById<View>(R.id.linkButton).setOnClickListener { link() }
+            restoreButton.setOnClickListener { restore() }
+            linkButton.setOnClickListener { link() }
+        }
         IdentityKeyUtil.generateIdentityKeyPair(this)
         TextSecurePreferences.setPasswordDisabled(this, true)
         // AC: This is a temporary workaround to trick the old code that the screen is unlocked.

app/src/main/java/org/thoughtcrime/securesms/onboarding/LinkDeviceActivity.kt

@@ -4,7 +4,9 @@ import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import android.text.InputType
-import android.view.*
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.view.inputmethod.InputMethodManager
 import android.widget.Toast
@@ -13,14 +15,13 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentPagerAdapter
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.snackbar.Snackbar
-import kotlinx.android.synthetic.main.activity_link_device.*
-import kotlinx.android.synthetic.main.fragment_recovery_phrase.*
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.launch
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityLinkDeviceBinding
+import network.loki.messenger.databinding.FragmentRecoveryPhraseBinding
 import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsignal.crypto.MnemonicCodec
 import org.session.libsignal.utilities.Hex
@@ -30,13 +31,14 @@ import org.session.libsignal.utilities.hexEncodedPublicKey
 import org.thoughtcrime.securesms.ApplicationContext
 import org.thoughtcrime.securesms.BaseActionBarActivity
 import org.thoughtcrime.securesms.crypto.KeyPairUtilities
+import org.thoughtcrime.securesms.crypto.MnemonicUtilities
 import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragment
 import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragmentDelegate
-import org.thoughtcrime.securesms.crypto.MnemonicUtilities
 import org.thoughtcrime.securesms.util.push
 import org.thoughtcrime.securesms.util.setUpActionBarSessionLogo
 
 class LinkDeviceActivity : BaseActionBarActivity(), ScanQRCodeWrapperFragmentDelegate {
+    private lateinit var binding: ActivityLinkDeviceBinding
     private val adapter = LinkDeviceActivityAdapter(this)
     private var restoreJob: Job? = null
 
@@ -55,9 +57,10 @@ class LinkDeviceActivity : BaseActionBarActivity(), ScanQRCodeWrapperFragmentDel
             setRestorationTime(this@LinkDeviceActivity, System.currentTimeMillis())
             setLastProfileUpdateTime(this@LinkDeviceActivity, 0)
         }
-        setContentView(R.layout.activity_link_device)
+        binding = ActivityLinkDeviceBinding.inflate(layoutInflater)
-        viewPager.adapter = adapter
+        setContentView(binding.root)
-        tabLayout.setupWithViewPager(viewPager)
+        binding.viewPager.adapter = adapter
+        binding.tabLayout.setupWithViewPager(binding.viewPager)
     }
     // endregion
 
@@ -107,8 +110,8 @@ class LinkDeviceActivity : BaseActionBarActivity(), ScanQRCodeWrapperFragmentDel
             TextSecurePreferences.setRestorationTime(this@LinkDeviceActivity, System.currentTimeMillis())
             TextSecurePreferences.setHasViewedSeed(this@LinkDeviceActivity, true)
 
-            loader.isVisible = true
+            binding.loader.isVisible = true
-            val snackBar = Snackbar.make(containerLayout, R.string.activity_link_device_skip_prompt,Snackbar.LENGTH_INDEFINITE)
+            val snackBar = Snackbar.make(binding.containerLayout, R.string.activity_link_device_skip_prompt,Snackbar.LENGTH_INDEFINITE)
                     .setAction(R.string.registration_activity__skip) { register(true) }
 
             val skipJob = launch {
@@ -127,13 +130,13 @@ class LinkDeviceActivity : BaseActionBarActivity(), ScanQRCodeWrapperFragmentDel
                 register(false)
             }
 
-            loader.isVisible = false
+            binding.loader.isVisible = false
         }
     }
 
     private fun register(skipped: Boolean) {
         restoreJob?.cancel()
-        loader.isVisible = false
+        binding.loader.isVisible = false
         TextSecurePreferences.setLastConfigurationSyncTime(this, System.currentTimeMillis())
         val intent = Intent(this@LinkDeviceActivity, if (skipped) DisplayNameActivity::class.java else PNModeActivity::class.java)
         intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
@@ -175,30 +178,34 @@ private class LinkDeviceActivityAdapter(private val activity: LinkDeviceActivity
 
 // region Recovery Phrase Fragment
 class RecoveryPhraseFragment : Fragment() {
+    private lateinit var binding: FragmentRecoveryPhraseBinding
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
-        return inflater.inflate(R.layout.fragment_recovery_phrase, container, false)
+        binding = FragmentRecoveryPhraseBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        mnemonicEditText.imeOptions = EditorInfo.IME_ACTION_DONE or 16777216 // Always use incognito keyboard
+        with(binding) {
-        mnemonicEditText.setRawInputType(InputType.TYPE_CLASS_TEXT)
+            mnemonicEditText.imeOptions = EditorInfo.IME_ACTION_DONE or 16777216 // Always use incognito keyboard
-        mnemonicEditText.setOnEditorActionListener { v, actionID, _ ->
+            mnemonicEditText.setRawInputType(InputType.TYPE_CLASS_TEXT)
-            if (actionID == EditorInfo.IME_ACTION_DONE) {
+            mnemonicEditText.setOnEditorActionListener { v, actionID, _ ->
-                val imm = v.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+                if (actionID == EditorInfo.IME_ACTION_DONE) {
-                imm.hideSoftInputFromWindow(v.windowToken, 0)
+                    val imm = v.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
-                handleContinueButtonTapped()
+                    imm.hideSoftInputFromWindow(v.windowToken, 0)
-                true
+                    handleContinueButtonTapped()
-            } else {
+                    true
-                false
+                } else {
+                    false
+                }
             }
+            continueButton.setOnClickListener { handleContinueButtonTapped() }
         }
-        continueButton.setOnClickListener { handleContinueButtonTapped() }
     }
 
     private fun handleContinueButtonTapped() {
-        val mnemonic = mnemonicEditText.text?.trim().toString()
+        val mnemonic = binding.mnemonicEditText.text?.trim().toString()
         (requireActivity() as LinkDeviceActivity).continueWithMnemonic(mnemonic)
     }
 }

app/src/main/java/org/thoughtcrime/securesms/onboarding/PNModeActivity.kt

@@ -13,9 +13,8 @@ import android.view.View
 import android.widget.Toast
 import androidx.annotation.ColorRes
 import androidx.annotation.DrawableRes
-import kotlinx.android.synthetic.main.activity_display_name.registerButton
-import kotlinx.android.synthetic.main.activity_pn_mode.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityPnModeBinding
 import org.session.libsession.utilities.TextSecurePreferences
 import org.thoughtcrime.securesms.ApplicationContext
 import org.thoughtcrime.securesms.BaseActionBarActivity
@@ -28,6 +27,7 @@ import org.thoughtcrime.securesms.util.GlowViewUtilities
 import org.thoughtcrime.securesms.util.PNModeView
 
 class PNModeActivity : BaseActionBarActivity() {
+    private lateinit var binding: ActivityPnModeBinding
     private var selectedOptionView: PNModeView? = null
 
     // region Lifecycle
@@ -35,15 +35,18 @@ class PNModeActivity : BaseActionBarActivity() {
         super.onCreate(savedInstanceState)
         setUpActionBarSessionLogo(true)
         TextSecurePreferences.setHasSeenWelcomeScreen(this, true)
-        setContentView(R.layout.activity_pn_mode)
+        binding = ActivityPnModeBinding.inflate(layoutInflater)
-        contentView.disableClipping()
+        setContentView(binding.root)
-        fcmOptionView.setOnClickListener { toggleFCM() }
+        with(binding) {
-        fcmOptionView.mainColor = resources.getColorWithID(R.color.pn_option_background, theme)
+            contentView.disableClipping()
-        fcmOptionView.strokeColor = resources.getColorWithID(R.color.pn_option_border, theme)
+            fcmOptionView.setOnClickListener { toggleFCM() }
-        backgroundPollingOptionView.setOnClickListener { toggleBackgroundPolling() }
+            fcmOptionView.mainColor = resources.getColorWithID(R.color.pn_option_background, theme)
-        backgroundPollingOptionView.mainColor = resources.getColorWithID(R.color.pn_option_background, theme)
+            fcmOptionView.strokeColor = resources.getColorWithID(R.color.pn_option_border, theme)
-        backgroundPollingOptionView.strokeColor = resources.getColorWithID(R.color.pn_option_border, theme)
+            backgroundPollingOptionView.setOnClickListener { toggleBackgroundPolling() }
-        registerButton.setOnClickListener { register() }
+            backgroundPollingOptionView.mainColor = resources.getColorWithID(R.color.pn_option_background, theme)
+            backgroundPollingOptionView.strokeColor = resources.getColorWithID(R.color.pn_option_border, theme)
+            registerButton.setOnClickListener { register() }
+        }
         toggleFCM()
     }
 
@@ -63,8 +66,7 @@ class PNModeActivity : BaseActionBarActivity() {
 
     // region Interaction
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        val id = item.itemId
+        when(item.itemId) {
-        when(id) {
             R.id.learnMoreButton -> learnMore()
             else -> { /* Do nothing */ }
         }
@@ -81,52 +83,52 @@ class PNModeActivity : BaseActionBarActivity() {
         }
     }
 
-    private fun toggleFCM() {
+    private fun toggleFCM() = with(binding) {
         when (selectedOptionView) {
             null -> {
                 performTransition(R.drawable.pn_option_background_select_transition, fcmOptionView)
-                GlowViewUtilities.animateShadowColorChange(this, fcmOptionView, R.color.transparent, R.color.accent)
+                GlowViewUtilities.animateShadowColorChange(this@PNModeActivity, fcmOptionView, R.color.transparent, R.color.accent)
                 animateStrokeColorChange(fcmOptionView, R.color.pn_option_border, R.color.accent)
                 selectedOptionView = fcmOptionView
             }
             fcmOptionView -> {
                 performTransition(R.drawable.pn_option_background_deselect_transition, fcmOptionView)
-                GlowViewUtilities.animateShadowColorChange(this, fcmOptionView, R.color.accent, R.color.transparent)
+                GlowViewUtilities.animateShadowColorChange(this@PNModeActivity, fcmOptionView, R.color.accent, R.color.transparent)
                 animateStrokeColorChange(fcmOptionView, R.color.accent, R.color.pn_option_border)
                 selectedOptionView = null
             }
             backgroundPollingOptionView -> {
                 performTransition(R.drawable.pn_option_background_select_transition, fcmOptionView)
-                GlowViewUtilities.animateShadowColorChange(this, fcmOptionView, R.color.transparent, R.color.accent)
+                GlowViewUtilities.animateShadowColorChange(this@PNModeActivity, fcmOptionView, R.color.transparent, R.color.accent)
                 animateStrokeColorChange(fcmOptionView, R.color.pn_option_border, R.color.accent)
                 performTransition(R.drawable.pn_option_background_deselect_transition, backgroundPollingOptionView)
-                GlowViewUtilities.animateShadowColorChange(this, backgroundPollingOptionView, R.color.accent, R.color.transparent)
+                GlowViewUtilities.animateShadowColorChange(this@PNModeActivity, backgroundPollingOptionView, R.color.accent, R.color.transparent)
                 animateStrokeColorChange(backgroundPollingOptionView, R.color.accent, R.color.pn_option_border)
                 selectedOptionView = fcmOptionView
             }
         }
     }
 
-    private fun toggleBackgroundPolling() {
+    private fun toggleBackgroundPolling() = with(binding) {
         when (selectedOptionView) {
             null -> {
                 performTransition(R.drawable.pn_option_background_select_transition, backgroundPollingOptionView)
-                GlowViewUtilities.animateShadowColorChange(this, backgroundPollingOptionView, R.color.transparent, R.color.accent)
+                GlowViewUtilities.animateShadowColorChange(this@PNModeActivity, backgroundPollingOptionView, R.color.transparent, R.color.accent)
                 animateStrokeColorChange(backgroundPollingOptionView, R.color.pn_option_border, R.color.accent)
                 selectedOptionView = backgroundPollingOptionView
             }
             backgroundPollingOptionView -> {
                 performTransition(R.drawable.pn_option_background_deselect_transition, backgroundPollingOptionView)
-                GlowViewUtilities.animateShadowColorChange(this, backgroundPollingOptionView, R.color.accent, R.color.transparent)
+                GlowViewUtilities.animateShadowColorChange(this@PNModeActivity, backgroundPollingOptionView, R.color.accent, R.color.transparent)
                 animateStrokeColorChange(backgroundPollingOptionView, R.color.accent, R.color.pn_option_border)
                 selectedOptionView = null
             }
             fcmOptionView -> {
                 performTransition(R.drawable.pn_option_background_select_transition, backgroundPollingOptionView)
-                GlowViewUtilities.animateShadowColorChange(this, backgroundPollingOptionView, R.color.transparent, R.color.accent)
+                GlowViewUtilities.animateShadowColorChange(this@PNModeActivity, backgroundPollingOptionView, R.color.transparent, R.color.accent)
                 animateStrokeColorChange(backgroundPollingOptionView, R.color.pn_option_border, R.color.accent)
                 performTransition(R.drawable.pn_option_background_deselect_transition, fcmOptionView)
-                GlowViewUtilities.animateShadowColorChange(this, fcmOptionView, R.color.accent, R.color.transparent)
+                GlowViewUtilities.animateShadowColorChange(this@PNModeActivity, fcmOptionView, R.color.accent, R.color.transparent)
                 animateStrokeColorChange(fcmOptionView, R.color.accent, R.color.pn_option_border)
                 selectedOptionView = backgroundPollingOptionView
             }
@@ -153,7 +155,7 @@ class PNModeActivity : BaseActionBarActivity() {
             dialog.create().show()
             return
         }
-        TextSecurePreferences.setIsUsingFCM(this, (selectedOptionView == fcmOptionView))
+        TextSecurePreferences.setIsUsingFCM(this, (selectedOptionView == binding.fcmOptionView))
         val application = ApplicationContext.getInstance(this)
         application.startPollingIfNeeded()
         application.registerForFCMIfNeeded(true)

app/src/main/java/org/thoughtcrime/securesms/onboarding/RecoveryPhraseRestoreActivity.kt

@@ -11,8 +11,8 @@ import android.text.style.ClickableSpan
 import android.text.style.StyleSpan
 import android.view.View
 import android.widget.Toast
-import kotlinx.android.synthetic.main.activity_recovery_phrase_restore.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityRecoveryPhraseRestoreBinding
 import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsignal.crypto.MnemonicCodec
 import org.session.libsignal.utilities.Hex
@@ -25,7 +25,7 @@ import org.thoughtcrime.securesms.util.push
 import org.thoughtcrime.securesms.util.setUpActionBarSessionLogo
 
 class RecoveryPhraseRestoreActivity : BaseActionBarActivity() {
-
+    private lateinit var binding: ActivityRecoveryPhraseRestoreBinding
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -36,9 +36,10 @@ class RecoveryPhraseRestoreActivity : BaseActionBarActivity() {
             setRestorationTime(this@RecoveryPhraseRestoreActivity, System.currentTimeMillis())
             setLastProfileUpdateTime(this@RecoveryPhraseRestoreActivity, System.currentTimeMillis())
         }
-        setContentView(R.layout.activity_recovery_phrase_restore)
+        binding = ActivityRecoveryPhraseRestoreBinding.inflate(layoutInflater)
-        mnemonicEditText.imeOptions = mnemonicEditText.imeOptions or 16777216 // Always use incognito keyboard
+        setContentView(binding.root)
-        restoreButton.setOnClickListener { restore() }
+        binding.mnemonicEditText.imeOptions = binding.mnemonicEditText.imeOptions or 16777216 // Always use incognito keyboard
+        binding.restoreButton.setOnClickListener { restore() }
         val termsExplanation = SpannableStringBuilder("By using this service, you agree to our Terms of Service and Privacy Policy")
         termsExplanation.setSpan(StyleSpan(Typeface.BOLD), 40, 56, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
         termsExplanation.setSpan(object : ClickableSpan() {
@@ -54,14 +55,14 @@ class RecoveryPhraseRestoreActivity : BaseActionBarActivity() {
                 openURL("https://getsession.org/privacy-policy/")
             }
         }, 61, 75, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        termsTextView.movementMethod = LinkMovementMethod.getInstance()
+        binding.termsTextView.movementMethod = LinkMovementMethod.getInstance()
-        termsTextView.text = termsExplanation
+        binding.termsTextView.text = termsExplanation
     }
     // endregion
 
     // region Interaction
     private fun restore() {
-        val mnemonic = mnemonicEditText.text.toString()
+        val mnemonic = binding.mnemonicEditText.text.toString()
         try {
             val loadFileContents: (String) -> String = { fileName ->
                 MnemonicUtilities.loadFileContents(this, fileName)

app/src/main/java/org/thoughtcrime/securesms/onboarding/RegisterActivity.kt

@@ -16,8 +16,8 @@ import android.text.style.StyleSpan
 import android.view.View
 import android.widget.Toast
 import com.goterl.lazysodium.utils.KeyPair
-import kotlinx.android.synthetic.main.activity_register.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityRegisterBinding
 import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsignal.crypto.ecc.ECKeyPair
 import org.session.libsignal.utilities.KeyHelper
@@ -26,9 +26,9 @@ import org.thoughtcrime.securesms.BaseActionBarActivity
 import org.thoughtcrime.securesms.crypto.KeyPairUtilities
 import org.thoughtcrime.securesms.util.push
 import org.thoughtcrime.securesms.util.setUpActionBarSessionLogo
-import java.util.*
 
 class RegisterActivity : BaseActionBarActivity() {
+    private lateinit var binding: ActivityRegisterBinding
     private var seed: ByteArray? = null
     private var ed25519KeyPair: KeyPair? = null
     private var x25519KeyPair: ECKeyPair? = null
@@ -37,7 +37,8 @@ class RegisterActivity : BaseActionBarActivity() {
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_register)
+        binding = ActivityRegisterBinding.inflate(layoutInflater)
+        setContentView(binding.root)
         setUpActionBarSessionLogo()
         TextSecurePreferences.apply {
             setHasViewedSeed(this@RegisterActivity, false)
@@ -45,8 +46,8 @@ class RegisterActivity : BaseActionBarActivity() {
             setRestorationTime(this@RegisterActivity, 0)
             setLastProfileUpdateTime(this@RegisterActivity, System.currentTimeMillis())
         }
-        registerButton.setOnClickListener { register() }
+        binding.registerButton.setOnClickListener { register() }
-        copyButton.setOnClickListener { copyPublicKey() }
+        binding.copyButton.setOnClickListener { copyPublicKey() }
         val termsExplanation = SpannableStringBuilder("By using this service, you agree to our Terms of Service and Privacy Policy")
         termsExplanation.setSpan(StyleSpan(Typeface.BOLD), 40, 56, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
         termsExplanation.setSpan(object : ClickableSpan() {
@@ -62,8 +63,8 @@ class RegisterActivity : BaseActionBarActivity() {
                 openURL("https://getsession.org/privacy-policy/")
             }
         }, 61, 75, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        termsTextView.movementMethod = LinkMovementMethod.getInstance()
+        binding.termsTextView.movementMethod = LinkMovementMethod.getInstance()
-        termsTextView.text = termsExplanation
+        binding.termsTextView.text = termsExplanation
         updateKeyPair()
     }
     // endregion
@@ -94,12 +95,12 @@ class RegisterActivity : BaseActionBarActivity() {
             }
             count += 1
             if (count < limit) {
-                publicKeyTextView.text = mangledHexEncodedPublicKey
+                binding.publicKeyTextView.text = mangledHexEncodedPublicKey
                 Handler().postDelayed({
                     animate()
                 }, 32)
             } else {
-                publicKeyTextView.text = hexEncodedPublicKey
+                binding.publicKeyTextView.text = hexEncodedPublicKey
             }
         }
         animate()

app/src/main/java/org/thoughtcrime/securesms/onboarding/SeedActivity.kt

@@ -9,8 +9,8 @@ import android.text.SpannableString
 import android.text.style.ForegroundColorSpan
 import android.widget.LinearLayout
 import android.widget.Toast
-import kotlinx.android.synthetic.main.activity_seed.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivitySeedBinding
 import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsignal.crypto.MnemonicCodec
 import org.session.libsignal.utilities.hexEncodedPrivateKey
@@ -21,6 +21,8 @@ import org.thoughtcrime.securesms.util.getColorWithID
 
 class SeedActivity : BaseActionBarActivity() {
 
+    private lateinit var binding: ActivitySeedBinding
+
     private val seed by lazy {
         var hexEncodedSeed = IdentityKeyUtil.retrieve(this, IdentityKeyUtil.LOKI_SEED)
         if (hexEncodedSeed == null) {
@@ -35,27 +37,30 @@ class SeedActivity : BaseActionBarActivity() {
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_seed)
+        binding = ActivitySeedBinding.inflate(layoutInflater)
+        setContentView(binding.root)
         supportActionBar!!.title = resources.getString(R.string.activity_seed_title)
         val seedReminderViewTitle = SpannableString("You're almost finished! 90%") // Intentionally not yet translated
         seedReminderViewTitle.setSpan(ForegroundColorSpan(resources.getColorWithID(R.color.accent, theme)), 24, 27, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        seedReminderView.title = seedReminderViewTitle
+        with(binding) {
-        seedReminderView.subtitle = resources.getString(R.string.view_seed_reminder_subtitle_2)
+            seedReminderView.title = seedReminderViewTitle
-        seedReminderView.setProgress(90, false)
+            seedReminderView.subtitle = resources.getString(R.string.view_seed_reminder_subtitle_2)
-        seedReminderView.hideContinueButton()
+            seedReminderView.setProgress(90, false)
-        var redactedSeed = seed
+            seedReminderView.hideContinueButton()
-        var index = 0
+            var redactedSeed = seed
-        for (character in seed) {
+            var index = 0
-            if (character.isLetter()) {
+            for (character in seed) {
-                redactedSeed = redactedSeed.replaceRange(index, index + 1, "▆")
+                if (character.isLetter()) {
+                    redactedSeed = redactedSeed.replaceRange(index, index + 1, "▆")
+                }
+                index += 1
             }
-            index += 1
+            seedTextView.setTextColor(resources.getColorWithID(R.color.accent, theme))
+            seedTextView.text = redactedSeed
+            seedTextView.setOnLongClickListener { revealSeed(); true }
+            revealButton.setOnLongClickListener { revealSeed(); true }
+            copyButton.setOnClickListener { copySeed() }
         }
-        seedTextView.setTextColor(resources.getColorWithID(R.color.accent, theme))
-        seedTextView.text = redactedSeed
-        seedTextView.setOnLongClickListener { revealSeed(); true }
-        revealButton.setOnLongClickListener { revealSeed(); true }
-        copyButton.setOnClickListener { copySeed() }
     }
     // endregion
 
@@ -63,14 +68,16 @@ class SeedActivity : BaseActionBarActivity() {
     private fun revealSeed() {
         val seedReminderViewTitle = SpannableString("Account secured! 100%") // Intentionally not yet translated
         seedReminderViewTitle.setSpan(ForegroundColorSpan(resources.getColorWithID(R.color.accent, theme)), 17, 21, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        seedReminderView.title = seedReminderViewTitle
+        with(binding) {
-        seedReminderView.subtitle = resources.getString(R.string.view_seed_reminder_subtitle_3)
+            seedReminderView.title = seedReminderViewTitle
-        seedReminderView.setProgress(100, true)
+            seedReminderView.subtitle = resources.getString(R.string.view_seed_reminder_subtitle_3)
-        val seedTextViewLayoutParams = seedTextView.layoutParams as LinearLayout.LayoutParams
+            seedReminderView.setProgress(100, true)
-        seedTextViewLayoutParams.height = seedTextView.height
+            val seedTextViewLayoutParams = seedTextView.layoutParams as LinearLayout.LayoutParams
-        seedTextView.layoutParams = seedTextViewLayoutParams
+            seedTextViewLayoutParams.height = seedTextView.height
-        seedTextView.setTextColor(resources.getColorWithID(R.color.text, theme))
+            seedTextView.layoutParams = seedTextViewLayoutParams
-        seedTextView.text = seed
+            seedTextView.setTextColor(resources.getColorWithID(R.color.text, theme))
+            seedTextView.text = seed
+        }
         TextSecurePreferences.setHasViewedSeed(this, true)
     }
     // endregion

app/src/main/java/org/thoughtcrime/securesms/onboarding/SeedReminderView.kt

@@ -6,16 +6,17 @@ import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.FrameLayout
-import kotlinx.android.synthetic.main.view_seed_reminder.view.*
+import network.loki.messenger.databinding.ViewSeedReminderBinding
-import network.loki.messenger.R
 
 class SeedReminderView : FrameLayout {
+    private lateinit var binding: ViewSeedReminderBinding
+    
     var title: CharSequence
-        get() = titleTextView.text
+        get() = binding.titleTextView.text
-        set(value) { titleTextView.text = value }
+        set(value) { binding.titleTextView.text = value }
     var subtitle: CharSequence
-        get() = subtitleTextView.text
+        get() = binding.subtitleTextView.text
-        set(value) { subtitleTextView.text = value }
+        set(value) { binding.subtitleTextView.text = value }
     var delegate: SeedReminderViewDelegate? = null
 
     constructor(context: Context) : super(context) {
@@ -35,22 +36,20 @@ class SeedReminderView : FrameLayout {
     }
 
     private fun setUpViewHierarchy() {
-        val inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
+        binding = ViewSeedReminderBinding.inflate(LayoutInflater.from(context), this, true)
-        val contentView = inflater.inflate(R.layout.view_seed_reminder, null)
+        binding.button.setOnClickListener { delegate?.handleSeedReminderViewContinueButtonTapped() }
-        addView(contentView)
-        button.setOnClickListener { delegate?.handleSeedReminderViewContinueButtonTapped() }
     }
 
     fun setProgress(progress: Int, isAnimated: Boolean) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            progressBar.setProgress(progress, isAnimated)
+            binding.progressBar.setProgress(progress, isAnimated)
         } else {
-            progressBar.progress = progress
+            binding.progressBar.progress = progress
         }
     }
 
     fun hideContinueButton() {
-        button.visibility = View.GONE
+        binding.button.visibility = View.GONE
     }
 }
 

app/src/main/java/org/thoughtcrime/securesms/preferences/ClearAllDataDialog.kt

@@ -4,10 +4,12 @@ import android.view.LayoutInflater
 import androidx.appcompat.app.AlertDialog
 import androidx.core.view.isVisible
 import androidx.lifecycle.lifecycleScope
-import kotlinx.android.synthetic.main.dialog_clear_all_data.*
+import kotlinx.coroutines.Dispatchers
-import kotlinx.android.synthetic.main.dialog_clear_all_data.view.*
+import kotlinx.coroutines.Job
-import kotlinx.coroutines.*
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import network.loki.messenger.R
+import network.loki.messenger.databinding.DialogClearAllDataBinding
 import org.session.libsession.snode.SnodeAPI
 import org.session.libsignal.utilities.Log
 import org.thoughtcrime.securesms.ApplicationContext
@@ -15,6 +17,7 @@ import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
 import org.thoughtcrime.securesms.conversation.v2.utilities.BaseDialog
 
 class ClearAllDataDialog : BaseDialog() {
+    private lateinit var binding: DialogClearAllDataBinding
 
     enum class Steps {
         INFO_PROMPT,
@@ -34,15 +37,15 @@ class ClearAllDataDialog : BaseDialog() {
         }
 
     override fun setContentView(builder: AlertDialog.Builder) {
-        val contentView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_clear_all_data, null)
+        binding = DialogClearAllDataBinding.inflate(LayoutInflater.from(requireContext()))
-        contentView.cancelButton.setOnClickListener {
+        binding.cancelButton.setOnClickListener {
             if (step == Steps.NETWORK_PROMPT) {
                 clearAllData(false)
             } else if (step != Steps.DELETING) {
                 dismiss()
             }
         }
-        contentView.clearAllDataButton.setOnClickListener {
+        binding.clearAllDataButton.setOnClickListener {
             when(step) {
                 Steps.INFO_PROMPT -> step = Steps.NETWORK_PROMPT
                 Steps.NETWORK_PROMPT -> {
@@ -51,36 +54,33 @@ class ClearAllDataDialog : BaseDialog() {
                 Steps.DELETING -> { /* do nothing intentionally */ }
             }
         }
-        builder.setView(contentView)
+        builder.setView(binding.root)
         builder.setCancelable(false)
     }
 
     private fun updateUI() {
-
+        dialog?.let {
-        dialog?.let { view ->
-
             val isLoading = step == Steps.DELETING
 
             when (step) {
                 Steps.INFO_PROMPT -> {
-                    view.dialogDescriptionText.setText(R.string.dialog_clear_all_data_explanation)
+                    binding.dialogDescriptionText.setText(R.string.dialog_clear_all_data_explanation)
-                    view.cancelButton.setText(R.string.cancel)
+                    binding.cancelButton.setText(R.string.cancel)
-                    view.clearAllDataButton.setText(R.string.delete)
+                    binding.clearAllDataButton.setText(R.string.delete)
                 }
                 else -> {
-                    view.dialogDescriptionText.setText(R.string.dialog_clear_all_data_network_explanation)
+                    binding.dialogDescriptionText.setText(R.string.dialog_clear_all_data_network_explanation)
-                    view.cancelButton.setText(R.string.dialog_clear_all_data_local_only)
+                    binding.cancelButton.setText(R.string.dialog_clear_all_data_local_only)
-                    view.clearAllDataButton.setText(R.string.dialog_clear_all_data_clear_network)
+                    binding.clearAllDataButton.setText(R.string.dialog_clear_all_data_clear_network)
                 }
             }
 
-            view.cancelButton.isVisible = !isLoading
+            binding.cancelButton.isVisible = !isLoading
-            view.clearAllDataButton.isVisible = !isLoading
+            binding.clearAllDataButton.isVisible = !isLoading
-            view.progressBar.isVisible = isLoading
+            binding.progressBar.isVisible = isLoading
 
-            view.setCanceledOnTouchOutside(!isLoading)
+            it.setCanceledOnTouchOutside(!isLoading)
             isCancelable = !isLoading
-
         }
     }
 

app/src/main/java/org/thoughtcrime/securesms/preferences/QRCodeActivity.kt

@@ -10,9 +10,9 @@ import android.view.ViewGroup
 import android.widget.Toast
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentPagerAdapter
-import kotlinx.android.synthetic.main.activity_qr_code.*
-import kotlinx.android.synthetic.main.fragment_view_my_qr_code.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivityQrCodeBinding
+import network.loki.messenger.databinding.FragmentViewMyQrCodeBinding
 import org.session.libsession.utilities.Address
 import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsession.utilities.recipients.Recipient
@@ -20,23 +20,29 @@ import org.session.libsignal.utilities.PublicKeyValidation
 import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity
 import org.thoughtcrime.securesms.conversation.v2.ConversationActivityV2
 import org.thoughtcrime.securesms.dependencies.DatabaseComponent
-import org.thoughtcrime.securesms.util.*
+import org.thoughtcrime.securesms.util.FileProviderUtil
+import org.thoughtcrime.securesms.util.QRCodeUtilities
+import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragment
+import org.thoughtcrime.securesms.util.ScanQRCodeWrapperFragmentDelegate
+import org.thoughtcrime.securesms.util.toPx
 import java.io.File
 import java.io.FileOutputStream
 
 class QRCodeActivity : PassphraseRequiredActionBarActivity(), ScanQRCodeWrapperFragmentDelegate {
+    private lateinit var binding: ActivityQrCodeBinding
     private val adapter = QRCodeActivityAdapter(this)
 
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
         super.onCreate(savedInstanceState, isReady)
+        binding = ActivityQrCodeBinding.inflate(layoutInflater)
         // Set content view
-        setContentView(R.layout.activity_qr_code)
+        setContentView(binding.root)
         // Set title
         supportActionBar!!.title = resources.getString(R.string.activity_qr_code_title)
         // Set up view pager
-        viewPager.adapter = adapter
+        binding.viewPager.adapter = adapter
-        tabLayout.setupWithViewPager(viewPager)
+        binding.tabLayout.setupWithViewPager(binding.viewPager)
     }
     // endregion
 
@@ -91,6 +97,7 @@ private class QRCodeActivityAdapter(val activity: QRCodeActivity) : FragmentPage
 
 // region View My QR Code Fragment
 class ViewMyQRCodeFragment : Fragment() {
+    private lateinit var binding: FragmentViewMyQrCodeBinding
 
     private val hexEncodedPublicKey: String
         get() {
@@ -98,18 +105,19 @@ class ViewMyQRCodeFragment : Fragment() {
         }
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
-        return inflater.inflate(R.layout.fragment_view_my_qr_code, container, false)
+        binding = FragmentViewMyQrCodeBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         val size = toPx(280, resources)
         val qrCode = QRCodeUtilities.encode(hexEncodedPublicKey, size, false, false)
-        qrCodeImageView.setImageBitmap(qrCode)
+        binding.qrCodeImageView.setImageBitmap(qrCode)
 //        val explanation = SpannableStringBuilder("This is your unique public QR code. Other users can scan this to start a conversation with you.")
 //        explanation.setSpan(StyleSpan(Typeface.BOLD), 8, 34, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
-        explanationTextView.text = resources.getString(R.string.fragment_view_my_qr_code_explanation)
+        binding.explanationTextView.text = resources.getString(R.string.fragment_view_my_qr_code_explanation)
-        shareButton.setOnClickListener { shareQRCode() }
+        binding.shareButton.setOnClickListener { shareQRCode() }
     }
 
     private fun shareQRCode() {

app/src/main/java/org/thoughtcrime/securesms/preferences/SeedDialog.kt

@@ -6,8 +6,8 @@ import android.content.Context
 import android.view.LayoutInflater
 import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
-import kotlinx.android.synthetic.main.dialog_seed.view.*
 import network.loki.messenger.R
+import network.loki.messenger.databinding.DialogSeedBinding
 import org.session.libsignal.crypto.MnemonicCodec
 import org.session.libsignal.utilities.hexEncodedPrivateKey
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil
@@ -28,11 +28,11 @@ class SeedDialog : BaseDialog() {
     }
 
     override fun setContentView(builder: AlertDialog.Builder) {
-        val contentView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_seed, null)
+        val binding = DialogSeedBinding.inflate(LayoutInflater.from(requireContext()))
-        contentView.seedTextView.text = seed
+        binding.seedTextView.text = seed
-        contentView.cancelButton.setOnClickListener { dismiss() }
+        binding.cancelButton.setOnClickListener { dismiss() }
-        contentView.copyButton.setOnClickListener { copySeed() }
+        binding.copyButton.setOnClickListener { copySeed() }
-        builder.setView(contentView)
+        builder.setView(binding.root)
     }
 
     private fun copySeed() {

app/src/main/java/org/thoughtcrime/securesms/preferences/SettingsActivity.kt

@@ -7,7 +7,11 @@ import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import android.os.*
+import android.os.AsyncTask
+import android.os.Build
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
 import android.view.ActionMode
 import android.view.Menu
 import android.view.MenuItem
@@ -15,9 +19,9 @@ import android.view.View
 import android.view.inputmethod.InputMethodManager
 import android.widget.Toast
 import androidx.core.view.isVisible
-import kotlinx.android.synthetic.main.activity_settings.*
 import network.loki.messenger.BuildConfig
 import network.loki.messenger.R
+import network.loki.messenger.databinding.ActivitySettingsBinding
 import nl.komponents.kovenant.Promise
 import nl.komponents.kovenant.all
 import nl.komponents.kovenant.ui.alwaysUi
@@ -34,12 +38,17 @@ import org.thoughtcrime.securesms.mms.GlideApp
 import org.thoughtcrime.securesms.mms.GlideRequests
 import org.thoughtcrime.securesms.permissions.Permissions
 import org.thoughtcrime.securesms.profiles.ProfileMediaConstraints
-import org.thoughtcrime.securesms.util.*
+import org.thoughtcrime.securesms.util.BitmapDecodingException
+import org.thoughtcrime.securesms.util.BitmapUtil
+import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
+import org.thoughtcrime.securesms.util.UiModeUtilities
+import org.thoughtcrime.securesms.util.push
 import java.io.File
 import java.security.SecureRandom
-import java.util.*
+import java.util.Date
 
 class SettingsActivity : PassphraseRequiredActionBarActivity() {
+    private lateinit var binding: ActivitySettingsBinding
     private var displayNameEditActionMode: ActionMode? = null
         set(value) { field = value; handleDisplayNameEditActionModeChanged() }
     private lateinit var glide: GlideRequests
@@ -59,33 +68,36 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
         super.onCreate(savedInstanceState, isReady)
-        setContentView(R.layout.activity_settings)
+        binding = ActivitySettingsBinding.inflate(layoutInflater)
+        setContentView(binding.root)
         val displayName = TextSecurePreferences.getProfileName(this) ?: hexEncodedPublicKey
         glide = GlideApp.with(this)
-        profilePictureView.glide = glide
+        with(binding) {
-        profilePictureView.publicKey = hexEncodedPublicKey
+            profilePictureView.glide = glide
-        profilePictureView.displayName = displayName
+            profilePictureView.publicKey = hexEncodedPublicKey
-        profilePictureView.isLarge = true
+            profilePictureView.displayName = displayName
-        profilePictureView.update()
+            profilePictureView.isLarge = true
-        profilePictureView.setOnClickListener { showEditProfilePictureUI() }
+            profilePictureView.update()
-        ctnGroupNameSection.setOnClickListener { startActionMode(DisplayNameEditActionModeCallback()) }
+            profilePictureView.setOnClickListener { showEditProfilePictureUI() }
-        btnGroupNameDisplay.text = displayName
+            ctnGroupNameSection.setOnClickListener { startActionMode(DisplayNameEditActionModeCallback()) }
-        publicKeyTextView.text = hexEncodedPublicKey
+            btnGroupNameDisplay.text = displayName
-        copyButton.setOnClickListener { copyPublicKey() }
+            publicKeyTextView.text = hexEncodedPublicKey
-        shareButton.setOnClickListener { sharePublicKey() }
+            copyButton.setOnClickListener { copyPublicKey() }
-        privacyButton.setOnClickListener { showPrivacySettings() }
+            shareButton.setOnClickListener { sharePublicKey() }
-        notificationsButton.setOnClickListener { showNotificationSettings() }
+            privacyButton.setOnClickListener { showPrivacySettings() }
-        chatsButton.setOnClickListener { showChatSettings() }
+            notificationsButton.setOnClickListener { showNotificationSettings() }
-        sendInvitationButton.setOnClickListener { sendInvitation() }
+            chatsButton.setOnClickListener { showChatSettings() }
-        faqButton.setOnClickListener { showFAQ() }
+            sendInvitationButton.setOnClickListener { sendInvitation() }
-        surveyButton.setOnClickListener { showSurvey() }
+            faqButton.setOnClickListener { showFAQ() }
-        helpTranslateButton.setOnClickListener { helpTranslate() }
+            surveyButton.setOnClickListener { showSurvey() }
-        seedButton.setOnClickListener { showSeed() }
+            helpTranslateButton.setOnClickListener { helpTranslate() }
-        clearAllDataButton.setOnClickListener { clearAllData() }
+            seedButton.setOnClickListener { showSeed() }
-        debugLogButton.setOnClickListener { shareLogs() }
+            clearAllDataButton.setOnClickListener { clearAllData() }
-        val isLightMode = UiModeUtilities.isDayUiMode(this)
+            debugLogButton.setOnClickListener { shareLogs() }
-        oxenLogoImageView.setImageResource(if (isLightMode) R.drawable.oxen_light_mode else R.drawable.oxen_dark_mode)
+            val isLightMode = UiModeUtilities.isDayUiMode(this@SettingsActivity)
-        versionTextView.text = String.format(getString(R.string.version_s), "${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})")
+            oxenLogoImageView.setImageResource(if (isLightMode) R.drawable.oxen_light_mode else R.drawable.oxen_dark_mode)
+            versionTextView.text = String.format(getString(R.string.version_s), "${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})")
+        }
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -152,22 +164,22 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
     private fun handleDisplayNameEditActionModeChanged() {
         val isEditingDisplayName = this.displayNameEditActionMode !== null
 
-        btnGroupNameDisplay.visibility = if (isEditingDisplayName) View.INVISIBLE else View.VISIBLE
+        binding.btnGroupNameDisplay.visibility = if (isEditingDisplayName) View.INVISIBLE else View.VISIBLE
-        displayNameEditText.visibility = if (isEditingDisplayName) View.VISIBLE else View.INVISIBLE
+        binding.displayNameEditText.visibility = if (isEditingDisplayName) View.VISIBLE else View.INVISIBLE
 
         val inputMethodManager = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
         if (isEditingDisplayName) {
-            displayNameEditText.setText(btnGroupNameDisplay.text)
+            binding.displayNameEditText.setText(binding.btnGroupNameDisplay.text)
-            displayNameEditText.selectAll()
+            binding.displayNameEditText.selectAll()
-            displayNameEditText.requestFocus()
+            binding.displayNameEditText.requestFocus()
-            inputMethodManager.showSoftInput(displayNameEditText, 0)
+            inputMethodManager.showSoftInput(binding.displayNameEditText, 0)
         } else {
-            inputMethodManager.hideSoftInputFromWindow(displayNameEditText.windowToken, 0)
+            inputMethodManager.hideSoftInputFromWindow(binding.displayNameEditText.windowToken, 0)
         }
     }
 
     private fun updateProfile(isUpdatingProfilePicture: Boolean) {
-        loader.isVisible = true
+        binding.loader.isVisible = true
         val promises = mutableListOf<Promise<*, Exception>>()
         val displayName = displayNameToBeUploaded
         if (displayName != null) {
@@ -192,15 +204,15 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
         }
         compoundPromise.alwaysUi {
             if (displayName != null) {
-                btnGroupNameDisplay.text = displayName
+                binding.btnGroupNameDisplay.text = displayName
             }
             if (isUpdatingProfilePicture && profilePicture != null) {
-                profilePictureView.recycle() // Clear the cached image before updating
+                binding.profilePictureView.recycle() // Clear the cached image before updating
-                profilePictureView.update()
+                binding.profilePictureView.update()
             }
             displayNameToBeUploaded = null
             profilePictureToBeUploaded = null
-            loader.isVisible = false
+            binding.loader.isVisible = false
         }
     }
     // endregion
@@ -211,7 +223,7 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
      * @return true if the update was successful.
      */
     private fun saveDisplayName(): Boolean {
-        val displayName = displayNameEditText.text.toString().trim()
+        val displayName = binding.displayNameEditText.text.toString().trim()
         if (displayName.isEmpty()) {
             Toast.makeText(this, R.string.activity_settings_display_name_missing_error, Toast.LENGTH_SHORT).show()
             return false

app/src/main/java/org/thoughtcrime/securesms/preferences/ShareLogsDialog.kt

@@ -13,12 +13,12 @@ import android.webkit.MimeTypeMap
 import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.lifecycle.lifecycleScope
-import kotlinx.android.synthetic.main.dialog_share_logs.view.*
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import network.loki.messenger.BuildConfig
 import network.loki.messenger.R
+import network.loki.messenger.databinding.DialogShareLogsBinding
 import org.session.libsignal.utilities.ExternalStorageUtil
 import org.thoughtcrime.securesms.ApplicationContext
 import org.thoughtcrime.securesms.conversation.v2.utilities.BaseDialog
@@ -26,7 +26,7 @@ import org.thoughtcrime.securesms.util.StreamUtil
 import java.io.File
 import java.io.FileOutputStream
 import java.io.IOException
-import java.util.*
+import java.util.Objects
 import java.util.concurrent.TimeUnit
 
 class ShareLogsDialog : BaseDialog() {
@@ -34,16 +34,15 @@ class ShareLogsDialog : BaseDialog() {
     private var shareJob: Job? = null
 
     override fun setContentView(builder: AlertDialog.Builder) {
-        val contentView =
+        val binding = DialogShareLogsBinding.inflate(LayoutInflater.from(requireContext()))
-            LayoutInflater.from(requireContext()).inflate(R.layout.dialog_share_logs, null)
+        binding.cancelButton.setOnClickListener {
-        contentView.cancelButton.setOnClickListener {
             dismiss()
         }
-        contentView.shareButton.setOnClickListener {
+        binding.shareButton.setOnClickListener {
             // start the export and share
             shareLogs()
         }
-        builder.setView(contentView)
+        builder.setView(binding.root)
         builder.setCancelable(false)
     }
 

app/src/main/java/org/thoughtcrime/securesms/repository/ConversationRepository.kt

@@ -0,0 +1,229 @@
+package org.thoughtcrime.securesms.repository
+
+import org.session.libsession.database.MessageDataProvider
+import org.session.libsession.messaging.messages.control.UnsendRequest
+import org.session.libsession.messaging.messages.signal.OutgoingTextMessage
+import org.session.libsession.messaging.messages.visible.OpenGroupInvitation
+import org.session.libsession.messaging.messages.visible.VisibleMessage
+import org.session.libsession.messaging.open_groups.OpenGroupAPIV2
+import org.session.libsession.messaging.sending_receiving.MessageSender
+import org.session.libsession.snode.SnodeAPI
+import org.session.libsession.utilities.Address
+import org.session.libsession.utilities.GroupUtil
+import org.session.libsession.utilities.TextSecurePreferences
+import org.session.libsession.utilities.recipients.Recipient
+import org.session.libsignal.utilities.toHexString
+import org.thoughtcrime.securesms.database.DraftDatabase
+import org.thoughtcrime.securesms.database.LokiMessageDatabase
+import org.thoughtcrime.securesms.database.LokiThreadDatabase
+import org.thoughtcrime.securesms.database.MmsDatabase
+import org.thoughtcrime.securesms.database.RecipientDatabase
+import org.thoughtcrime.securesms.database.SmsDatabase
+import org.thoughtcrime.securesms.database.ThreadDatabase
+import org.thoughtcrime.securesms.database.model.MessageRecord
+import javax.inject.Inject
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
+import kotlin.coroutines.suspendCoroutine
+
+interface ConversationRepository {
+    fun isOxenHostedOpenGroup(threadId: Long): Boolean
+    fun getRecipientForThreadId(threadId: Long): Recipient
+    fun saveDraft(threadId: Long, text: String)
+    fun getDraft(threadId: Long): String?
+    fun inviteContacts(threadId: Long, contacts: List<Recipient>)
+    fun unblock(recipient: Recipient)
+    fun deleteLocally(recipient: Recipient, message: MessageRecord)
+
+    suspend fun deleteForEveryone(
+        threadId: Long,
+        recipient: Recipient,
+        message: MessageRecord
+    ): ResultOf<Unit>
+
+    fun buildUnsendRequest(recipient: Recipient, message: MessageRecord): UnsendRequest?
+
+    suspend fun deleteMessageWithoutUnsendRequest(
+        threadId: Long,
+        messages: Set<MessageRecord>
+    ): ResultOf<Unit>
+
+    suspend fun banUser(threadId: Long, recipient: Recipient): ResultOf<Unit>
+
+    suspend fun banAndDeleteAll(threadId: Long, recipient: Recipient): ResultOf<Unit>
+}
+
+class DefaultConversationRepository @Inject constructor(
+    private val textSecurePreferences: TextSecurePreferences,
+    private val messageDataProvider: MessageDataProvider,
+    private val threadDb: ThreadDatabase,
+    private val draftDb: DraftDatabase,
+    private val lokiThreadDb: LokiThreadDatabase,
+    private val smsDb: SmsDatabase,
+    private val mmsDb: MmsDatabase,
+    private val recipientDb: RecipientDatabase,
+    private val lokiMessageDb: LokiMessageDatabase
+) : ConversationRepository {
+
+    override fun isOxenHostedOpenGroup(threadId: Long): Boolean {
+        val openGroup = lokiThreadDb.getOpenGroupChat(threadId)
+        return openGroup?.room == "session" || openGroup?.room == "oxen"
+                || openGroup?.room == "lokinet" || openGroup?.room == "crypto"
+    }
+
+    override fun getRecipientForThreadId(threadId: Long): Recipient {
+        return threadDb.getRecipientForThreadId(threadId)!!
+    }
+
+    override fun saveDraft(threadId: Long, text: String) {
+        if (text.isEmpty()) return
+        val drafts = DraftDatabase.Drafts()
+        drafts.add(DraftDatabase.Draft(DraftDatabase.Draft.TEXT, text))
+        draftDb.insertDrafts(threadId, drafts)
+    }
+
+    override fun getDraft(threadId: Long): String? {
+        val drafts = draftDb.getDrafts(threadId)
+        draftDb.clearDrafts(threadId)
+        return drafts.find { it.type == DraftDatabase.Draft.TEXT }?.value
+    }
+
+    override fun inviteContacts(threadId: Long, contacts: List<Recipient>) {
+        val openGroup = lokiThreadDb.getOpenGroupChat(threadId) ?: return
+        for (contact in contacts) {
+            val message = VisibleMessage()
+            message.sentTimestamp = System.currentTimeMillis()
+            val openGroupInvitation = OpenGroupInvitation()
+            openGroupInvitation.name = openGroup.name
+            openGroupInvitation.url = openGroup.joinURL
+            message.openGroupInvitation = openGroupInvitation
+            val outgoingTextMessage = OutgoingTextMessage.fromOpenGroupInvitation(
+                openGroupInvitation,
+                contact,
+                message.sentTimestamp
+            )
+            smsDb.insertMessageOutbox(-1, outgoingTextMessage, message.sentTimestamp!!)
+            MessageSender.send(message, contact.address)
+        }
+    }
+
+    override fun unblock(recipient: Recipient) {
+        recipientDb.setBlocked(recipient, false)
+    }
+
+    override fun deleteLocally(recipient: Recipient, message: MessageRecord) {
+        buildUnsendRequest(recipient, message)?.let { unsendRequest ->
+            textSecurePreferences.getLocalNumber()?.let {
+                MessageSender.send(unsendRequest, Address.fromSerialized(it))
+            }
+        }
+        messageDataProvider.deleteMessage(message.id, !message.isMms)
+    }
+
+    override suspend fun deleteForEveryone(
+        threadId: Long,
+        recipient: Recipient,
+        message: MessageRecord
+    ): ResultOf<Unit> = suspendCoroutine { continuation ->
+        buildUnsendRequest(recipient, message)?.let { unsendRequest ->
+            MessageSender.send(unsendRequest, recipient.address)
+        }
+        val openGroup = lokiThreadDb.getOpenGroupChat(threadId)
+        if (openGroup != null) {
+            lokiMessageDb.getServerID(message.id, !message.isMms)?.let { messageServerID ->
+                OpenGroupAPIV2.deleteMessage(messageServerID, openGroup.room, openGroup.server)
+                    .success {
+                        messageDataProvider.deleteMessage(message.id, !message.isMms)
+                        continuation.resume(ResultOf.Success(Unit))
+                    }.fail { error ->
+                        continuation.resumeWithException(error)
+                    }
+            }
+        } else {
+            messageDataProvider.deleteMessage(message.id, !message.isMms)
+            messageDataProvider.getServerHashForMessage(message.id)?.let { serverHash ->
+                var publicKey = recipient.address.serialize()
+                if (recipient.isClosedGroupRecipient) {
+                    publicKey = GroupUtil.doubleDecodeGroupID(publicKey).toHexString()
+                }
+                SnodeAPI.deleteMessage(publicKey, listOf(serverHash))
+                    .success {
+                        continuation.resume(ResultOf.Success(Unit))
+                    }.fail { error ->
+                        continuation.resumeWithException(error)
+                    }
+            }
+        }
+    }
+
+    override fun buildUnsendRequest(recipient: Recipient, message: MessageRecord): UnsendRequest? {
+        if (recipient.isOpenGroupRecipient) return null
+        messageDataProvider.getServerHashForMessage(message.id) ?: return null
+        val unsendRequest = UnsendRequest()
+        if (message.isOutgoing) {
+            unsendRequest.author = textSecurePreferences.getLocalNumber()
+        } else {
+            unsendRequest.author = message.individualRecipient.address.contactIdentifier()
+        }
+        unsendRequest.timestamp = message.timestamp
+
+        return unsendRequest
+    }
+
+    override suspend fun deleteMessageWithoutUnsendRequest(
+        threadId: Long,
+        messages: Set<MessageRecord>
+    ): ResultOf<Unit> = suspendCoroutine { continuation ->
+        val openGroup = lokiThreadDb.getOpenGroupChat(threadId)
+        if (openGroup != null) {
+            val messageServerIDs = mutableMapOf<Long, MessageRecord>()
+            for (message in messages) {
+                val messageServerID =
+                    lokiMessageDb.getServerID(message.id, !message.isMms) ?: continue
+                messageServerIDs[messageServerID] = message
+            }
+            for ((messageServerID, message) in messageServerIDs) {
+                OpenGroupAPIV2.deleteMessage(messageServerID, openGroup.room, openGroup.server)
+                    .success {
+                        messageDataProvider.deleteMessage(message.id, !message.isMms)
+                    }.fail { error ->
+                        continuation.resumeWithException(error)
+                    }
+            }
+        } else {
+            for (message in messages) {
+                if (message.isMms) {
+                    mmsDb.deleteMessage(message.id)
+                } else {
+                    smsDb.deleteMessage(message.id)
+                }
+            }
+        }
+        continuation.resume(ResultOf.Success(Unit))
+    }
+
+    override suspend fun banUser(threadId: Long, recipient: Recipient): ResultOf<Unit> =
+        suspendCoroutine { continuation ->
+            val sessionID = recipient.address.toString()
+            val openGroup = lokiThreadDb.getOpenGroupChat(threadId)!!
+            OpenGroupAPIV2.ban(sessionID, openGroup.room, openGroup.server)
+                .success {
+                    continuation.resume(ResultOf.Success(Unit))
+                }.fail { error ->
+                    continuation.resumeWithException(error)
+                }
+        }
+
+    override suspend fun banAndDeleteAll(threadId: Long, recipient: Recipient): ResultOf<Unit> =
+        suspendCoroutine { continuation ->
+            val sessionID = recipient.address.toString()
+            val openGroup = lokiThreadDb.getOpenGroupChat(threadId)!!
+            OpenGroupAPIV2.banAndDeleteAll(sessionID, openGroup.room, openGroup.server)
+                .success {
+                    continuation.resume(ResultOf.Success(Unit))
+                }.fail { error ->
+                    continuation.resumeWithException(error)
+                }
+        }
+
+}

app/src/main/java/org/thoughtcrime/securesms/repository/ResultOf.kt

@@ -0,0 +1,43 @@
+package org.thoughtcrime.securesms.repository
+
+import kotlinx.coroutines.CancellationException
+
+sealed class ResultOf<out T> {
+
+    data class Success<out R>(val value: R) : ResultOf<R>()
+
+    data class Failure(val throwable: Throwable) : ResultOf<Nothing>()
+
+    inline fun onFailure(block: (throwable: Throwable) -> Unit) = this.also {
+        if (this is Failure) {
+            block(throwable)
+        }
+    }
+
+    inline fun onSuccess(block: (value: T) -> Unit) = this.also {
+        if (this is Success) {
+            block(value)
+        }
+    }
+
+    inline fun <R> flatMap(mapper: (T) -> R): ResultOf<R> = when (this) {
+        is Success -> wrap { mapper(value) }
+        is Failure -> Failure(throwable)
+    }
+
+    fun getOrThrow(): T = when (this) {
+        is Success -> value
+        is Failure -> throw throwable
+    }
+
+    companion object {
+        inline fun <T> wrap(block: () -> T): ResultOf<T> =
+            try {
+                Success(block())
+            } catch (e: CancellationException) {
+                throw e
+            } catch (e: Exception) {
+                Failure(e)
+            }
+    }
+}

app/src/main/java/org/thoughtcrime/securesms/util/ScanQRCodeFragment.kt

@@ -2,39 +2,40 @@ package org.thoughtcrime.securesms.util
 
 import android.content.res.Configuration
 import android.os.Bundle
-import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.LinearLayout
-import kotlinx.android.synthetic.main.fragment_scan_qr_code.*
+import androidx.fragment.app.Fragment
-import network.loki.messenger.R
+import network.loki.messenger.databinding.FragmentScanQrCodeBinding
 import org.thoughtcrime.securesms.qr.ScanListener
 import org.thoughtcrime.securesms.qr.ScanningThread
 
 class ScanQRCodeFragment : Fragment() {
+    private lateinit var binding: FragmentScanQrCodeBinding
     private val scanningThread = ScanningThread()
     var scanListener: ScanListener? = null
         set(value) { field = value; scanningThread.setScanListener(scanListener) }
     var message: CharSequence = ""
 
-    override fun onCreateView(layoutInflater: LayoutInflater, viewGroup: ViewGroup?, bundle: Bundle?): View? {
+    override fun onCreateView(layoutInflater: LayoutInflater, viewGroup: ViewGroup?, bundle: Bundle?): View {
-        return layoutInflater.inflate(R.layout.fragment_scan_qr_code, viewGroup, false)
+        binding = FragmentScanQrCodeBinding.inflate(layoutInflater, viewGroup, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, bundle: Bundle?) {
         super.onViewCreated(view, bundle)
         when (resources.configuration.orientation) {
-            Configuration.ORIENTATION_LANDSCAPE -> overlayView.orientation = LinearLayout.HORIZONTAL
+            Configuration.ORIENTATION_LANDSCAPE -> binding.overlayView.orientation = LinearLayout.HORIZONTAL
-            else -> overlayView.orientation = LinearLayout.VERTICAL
+            else -> binding.overlayView.orientation = LinearLayout.VERTICAL
         }
-        messageTextView.text = message
+        binding.messageTextView.text = message
     }
 
     override fun onResume() {
         super.onResume()
-        cameraView.onResume()
+        binding.cameraView.onResume()
-        cameraView.setPreviewCallback(scanningThread)
+        binding.cameraView.setPreviewCallback(scanningThread)
         try {
             scanningThread.start()
         } catch (exception: Exception) {
@@ -45,18 +46,18 @@ class ScanQRCodeFragment : Fragment() {
 
     override fun onConfigurationChanged(newConfiguration: Configuration) {
         super.onConfigurationChanged(newConfiguration)
-        this.cameraView.onPause()
+        binding.cameraView.onPause()
         when (newConfiguration.orientation) {
-            Configuration.ORIENTATION_LANDSCAPE -> overlayView.orientation = LinearLayout.HORIZONTAL
+            Configuration.ORIENTATION_LANDSCAPE -> binding.overlayView.orientation = LinearLayout.HORIZONTAL
-            else -> overlayView.orientation = LinearLayout.VERTICAL
+            else -> binding.overlayView.orientation = LinearLayout.VERTICAL
         }
-        cameraView.onResume()
+        binding.cameraView.onResume()
-        cameraView.setPreviewCallback(scanningThread)
+        binding.cameraView.setPreviewCallback(scanningThread)
     }
 
     override fun onPause() {
         super.onPause()
-        this.cameraView.onPause()
+        this.binding.cameraView.onPause()
         this.scanningThread.stopScanning()
     }
 }

app/src/main/java/org/thoughtcrime/securesms/util/ScanQRCodePlaceholderFragment.kt

@@ -1,23 +1,24 @@
 package org.thoughtcrime.securesms.util
 
 import android.os.Bundle
-import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import kotlinx.android.synthetic.main.fragment_scan_qr_code_placeholder.*
+import androidx.fragment.app.Fragment
-import network.loki.messenger.R
+import network.loki.messenger.databinding.FragmentScanQrCodePlaceholderBinding
 
 class ScanQRCodePlaceholderFragment: Fragment() {
+    private lateinit var binding: FragmentScanQrCodePlaceholderBinding
     var delegate: ScanQRCodePlaceholderFragmentDelegate? = null
 
-    override fun onCreateView(layoutInflater: LayoutInflater, viewGroup: ViewGroup?, bundle: Bundle?): View? {
+    override fun onCreateView(layoutInflater: LayoutInflater, viewGroup: ViewGroup?, bundle: Bundle?): View {
-        return layoutInflater.inflate(R.layout.fragment_scan_qr_code_placeholder, viewGroup, false)
+        binding = FragmentScanQrCodePlaceholderBinding.inflate(layoutInflater, viewGroup, false)
+        return binding.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        grantCameraAccessButton.setOnClickListener { delegate?.requestCameraAccess() }
+        binding.grantCameraAccessButton.setOnClickListener { delegate?.requestCameraAccess() }
     }
 }
 

app/src/main/res/layout/activity_home.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/contentView"
@@ -74,7 +73,7 @@
                 android:id="@+id/seedReminderStub"
                 android:layout="@layout/seed_reminder_stub"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"/>
+                android:layout_height="wrap_content" />
 
         </LinearLayout>
 
@@ -91,7 +90,9 @@
             android:layout_height="match_parent"
             android:paddingBottom="172dp"
             android:clipToPadding="false"
-            tools:listitem="@layout/view_conversation"/>
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+            tools:itemCount="6"
+            tools:listitem="@layout/view_conversation" />
 
         <View
             android:id="@+id/gradientView"
@@ -103,21 +104,22 @@
             android:id="@+id/emptyStateContainer"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:paddingBottom="32dp"
+            android:layout_centerInParent="true"
             android:gravity="center_horizontal"
             android:orientation="vertical"
-            android:layout_centerInParent="true">
+            android:paddingBottom="32dp"
+            android:visibility="gone">
 
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:textSize="@dimen/medium_font_size"
+                android:text="@string/activity_home_empty_state_message"
                 android:textColor="@color/text"
-                android:text="@string/activity_home_empty_state_message" />
+                android:textSize="@dimen/medium_font_size" />
 
             <Button
-                style="@style/Widget.Session.Button.Common.ProminentOutline"
                 android:id="@+id/createNewPrivateChatButton"
+                style="@style/Widget.Session.Button.Common.ProminentOutline"
                 android:layout_width="196dp"
                 android:layout_height="@dimen/medium_button_height"
                 android:layout_marginTop="@dimen/medium_spacing"

app/src/main/res/layout/message_audio_view.xml

@@ -1,108 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<merge xmlns:android="http://schemas.android.com/apk/res/android"
-       xmlns:tools="http://schemas.android.com/tools"
-       xmlns:app="http://schemas.android.com/apk/res-auto"
-       tools:context="org.thoughtcrime.securesms.loki.views.MessageAudioView">
-
-    <LinearLayout android:id="@+id/audio_widget_container"
-                  android:orientation="vertical"
-                  android:layout_width="match_parent"
-                  android:layout_height="wrap_content">
-
-        <LinearLayout android:layout_width="fill_parent"
-                      android:layout_height="fill_parent"
-                      android:orientation="horizontal">
-
-            <org.thoughtcrime.securesms.components.AnimatingToggle
-                    android:id="@+id/control_toggle"
-                    android:layout_width="48dp"
-                    android:layout_height="48dp"
-                    android:layout_gravity="center"
-                    android:gravity="center">
-
-                <ProgressBar
-                        android:id="@+id/download_progress"
-                        android:layout_width="match_parent"
-                        android:layout_height="match_parent"
-                        android:padding="8dp"
-                        android:background="@drawable/circle_tintable_4dp_inset"
-                        android:visibility="gone"
-                        android:layout_gravity="center_vertical"
-                        android:min="0"
-                        android:max="100"
-                        tools:visibility="gone"
-                        tools:backgroundTint="@android:color/black"
-                        tools:indeterminateTint="@android:color/white"/>
-
-                <ImageView android:id="@+id/play"
-                           android:layout_width="match_parent"
-                           android:layout_height="match_parent"
-                           android:layout_gravity="center_vertical"
-                           android:gravity="center_vertical"
-                           android:clickable="true"
-                           android:visibility="gone"
-                           android:background="@drawable/circle_touch_highlight_background"
-                           android:src="@drawable/ic_baseline_play_circle_filled_48"
-                           android:scaleType="centerInside"
-                           android:contentDescription="@string/audio_view__play_accessibility_description"
-                           tools:visibility="visible"/>
-
-                <ImageView android:id="@+id/pause"
-                           android:layout_width="match_parent"
-                           android:layout_height="match_parent"
-                           android:layout_gravity="center_vertical"
-                           android:gravity="center_vertical"
-                           android:clickable="true"
-                           android:visibility="gone"
-                           android:background="@drawable/circle_touch_highlight_background"
-                           android:src="@drawable/ic_baseline_pause_circle_filled_48"
-                           android:scaleType="centerInside"
-                           android:contentDescription="@string/audio_view__pause_accessibility_description"
-                           tools:visibility="gone"/>
-
-                <ImageView android:id="@+id/download"
-                           android:layout_width="match_parent"
-                           android:layout_height="match_parent"
-                           android:layout_gravity="center_vertical"
-                           android:clickable="true"
-                           android:visibility="gone"
-                           android:background="@drawable/circle_touch_highlight_background"
-                           android:src="@drawable/ic_download_circle_filled_48"
-                           android:contentDescription="@string/audio_view__download_accessibility_description"
-                           tools:visibility="gone"/>
-
-            </org.thoughtcrime.securesms.components.AnimatingToggle>
-
-            <org.thoughtcrime.securesms.loki.views.WaveformSeekBar
-                     android:id="@+id/seek"
-                     android:layout_width="0dp"
-                     android:layout_height="38dp"
-                     android:layout_weight="1"
-                     android:layout_gravity="center_vertical"
-                     android:layout_marginStart="4dp"
-                     android:layout_marginEnd="4dp"
-                     app:bar_gravity="center"
-                     app:bar_width="4dp"
-                     app:bar_corner_radius="2dp"
-                     app:bar_gap="1dp"
-                     tools:progress="0.5"
-                     tools:bar_background_color="#bbb"
-                     tools:bar_progress_color="?colorPrimary"/>
-
-            <TextView android:id="@+id/total_duration"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_gravity="center_vertical"
-                android:textAppearance="?android:attr/textAppearanceSmall"
-                android:textSize="@dimen/conversation_item_date_text_size"
-                android:fontFamily="sans-serif-light"
-                android:autoLink="none"
-                android:visibility="gone"
-                tools:text="0:05"
-                tools:visibility="visible"/>
-
-        </LinearLayout>
-
-    </LinearLayout>
-
-</merge>

app/src/sharedTest/java/org/thoughtcrime/securesms/BaseCoroutineTest.kt

@@ -0,0 +1,15 @@
+package org.thoughtcrime.securesms
+
+import kotlinx.coroutines.test.TestCoroutineScope
+import kotlinx.coroutines.test.runBlockingTest
+import org.junit.Rule
+
+open class BaseCoroutineTest {
+
+    @get:Rule
+    var coroutinesTestRule = CoroutineTestRule()
+
+    protected fun runBlockingTest(test: suspend TestCoroutineScope.() -> Unit) =
+        coroutinesTestRule.runBlockingTest { test() }
+
+}

app/src/sharedTest/java/org/thoughtcrime/securesms/CoroutineTestRule.kt

@@ -0,0 +1,50 @@
+package org.thoughtcrime.securesms
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.test.TestCoroutineDispatcher
+import kotlinx.coroutines.test.TestCoroutineScope
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.setMain
+import org.junit.rules.TestWatcher
+import org.junit.runner.Description
+
+/**
+ * Sets the main coroutines dispatcher to a [TestCoroutineScope] for unit testing. A
+ * [TestCoroutineScope] provides control over the execution of coroutines.
+ *
+ * Declare it as a JUnit Rule:
+ *
+ * ```
+ * @get:Rule
+ * var coroutineTestRule = CoroutineTestRule()
+ * ```
+ *
+ * Use it directly as a [TestCoroutineScope]:
+ *
+ * ```
+ * coroutineTestRule.pauseDispatcher()
+ * ...
+ * coroutineTestRule.resumeDispatcher()
+ * ...
+ * coroutineTestRule.runBlockingTest { }
+ * ...
+ *
+ */
+
+class CoroutineTestRule(
+    val dispatcher: TestCoroutineDispatcher = TestCoroutineDispatcher()
+) : TestWatcher(), TestCoroutineScope by TestCoroutineScope(dispatcher) {
+
+    override fun starting(description: Description?) {
+        super.starting(description)
+        Dispatchers.setMain(dispatcher)
+
+    }
+
+    override fun finished(description: Description?) {
+        super.finished(description)
+        cleanupTestCoroutines()
+        Dispatchers.resetMain()
+    }
+
+}

app/src/sharedTest/java/org/thoughtcrime/securesms/LiveDataTestUtil.kt

@@ -0,0 +1,60 @@
+package org.thoughtcrime.securesms
+
+import androidx.annotation.VisibleForTesting
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.Observer
+import java.util.concurrent.CountDownLatch
+import java.util.concurrent.TimeUnit
+import java.util.concurrent.TimeoutException
+
+/**
+ * Gets the value of a [LiveData] or waits for it to have one, with a timeout.
+ *
+ * Use this extension from host-side (JVM) tests. It's recommended to use it alongside
+ * `InstantTaskExecutorRule` or a similar mechanism to execute tasks synchronously.
+ */
+@VisibleForTesting(otherwise = VisibleForTesting.NONE)
+fun <T> LiveData<T>.getOrAwaitValue(
+    time: Long = 2,
+    timeUnit: TimeUnit = TimeUnit.SECONDS,
+    afterObserve: () -> Unit = {}
+): T {
+    var data: T? = null
+    val latch = CountDownLatch(1)
+    val observer = object : Observer<T> {
+        override fun onChanged(o: T?) {
+            data = o
+            latch.countDown()
+            this@getOrAwaitValue.removeObserver(this)
+        }
+    }
+    this.observeForever(observer)
+
+    try {
+        afterObserve.invoke()
+
+        // Don't wait indefinitely if the LiveData is not set.
+        if (!latch.await(time, timeUnit)) {
+            throw TimeoutException("LiveData value was never set.")
+        }
+
+    } finally {
+        this.removeObserver(observer)
+    }
+
+    @Suppress("UNCHECKED_CAST")
+    return data as T
+}
+
+/**
+ * Observes a [LiveData] until the `block` is done executing.
+ */
+fun <T> LiveData<T>.observeForTesting(block: () -> Unit) {
+    val observer = Observer<T> { }
+    try {
+        observeForever(observer)
+        block()
+    } finally {
+        removeObserver(observer)
+    }
+}

app/src/test/java/org/thoughtcrime/securesms/BaseViewModelTest.kt

@@ -0,0 +1,11 @@
+package org.thoughtcrime.securesms
+
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import org.junit.Rule
+
+open class BaseViewModelTest: BaseCoroutineTest() {
+
+    @get:Rule
+    var instantExecutorRule = InstantTaskExecutorRule()
+
+}

app/src/test/java/org/thoughtcrime/securesms/conversation/v2/ConversationViewModelTest.kt

@@ -0,0 +1,173 @@
+package org.thoughtcrime.securesms.conversation.v2
+
+import kotlinx.coroutines.flow.first
+import org.hamcrest.CoreMatchers.endsWith
+import org.hamcrest.CoreMatchers.equalTo
+import org.hamcrest.MatcherAssert.assertThat
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.mockito.Mockito.anyLong
+import org.mockito.Mockito.anySet
+import org.mockito.Mockito.mock
+import org.mockito.Mockito.verify
+import org.mockito.kotlin.any
+import org.session.libsession.utilities.recipients.Recipient
+import org.thoughtcrime.securesms.BaseViewModelTest
+import org.thoughtcrime.securesms.database.model.MessageRecord
+import org.thoughtcrime.securesms.repository.ConversationRepository
+import org.thoughtcrime.securesms.repository.ResultOf
+import org.mockito.Mockito.`when` as whenever
+
+class ConversationViewModelTest: BaseViewModelTest() {
+
+    private val repository = mock(ConversationRepository::class.java)
+
+    private val threadId = 123L
+    private lateinit var recipient: Recipient
+
+    private val viewModel: ConversationViewModel by lazy {
+        ConversationViewModel(threadId, repository)
+    }
+
+    @Before
+    fun setUp() {
+        recipient = mock(Recipient::class.java)
+        whenever(repository.isOxenHostedOpenGroup(anyLong())).thenReturn(true)
+        whenever(repository.getRecipientForThreadId(anyLong())).thenReturn(recipient)
+    }
+
+    @Test
+    fun `should emit group type on init`() = runBlockingTest {
+        assertTrue(viewModel.uiState.first().isOxenHostedOpenGroup)
+    }
+
+    @Test
+    fun `should save draft message`() {
+        val draft = "Hi there"
+
+        viewModel.saveDraft(draft)
+
+        verify(repository).saveDraft(threadId, draft)
+    }
+
+    @Test
+    fun `should retrieve draft message`() {
+        val draft = "Hi there"
+        whenever(repository.getDraft(anyLong())).thenReturn(draft)
+
+        val result = viewModel.getDraft()
+
+        verify(repository).getDraft(threadId)
+        assertThat(result, equalTo(draft))
+    }
+
+    @Test
+    fun `should invite contacts`() {
+        val contacts = listOf<Recipient>()
+
+        viewModel.inviteContacts(contacts)
+
+        verify(repository).inviteContacts(threadId, contacts)
+    }
+
+    @Test
+    fun `should unblock contact recipient`() {
+        whenever(recipient.isContactRecipient).thenReturn(true)
+
+        viewModel.unblock()
+
+        verify(repository).unblock(recipient)
+    }
+
+    @Test
+    fun `should delete locally`() {
+        val message = mock(MessageRecord::class.java)
+
+        viewModel.deleteLocally(message)
+
+        verify(repository).deleteLocally(recipient, message)
+    }
+
+    @Test
+    fun `should emit error message on failure to delete a message for everyone`() = runBlockingTest {
+        val message = mock(MessageRecord::class.java)
+        val error = Throwable()
+        whenever(repository.deleteForEveryone(anyLong(), any(), any()))
+            .thenReturn(ResultOf.Failure(error))
+
+        viewModel.deleteForEveryone(message)
+
+        assertThat(viewModel.uiState.first().uiMessages.first().message, endsWith("$error"))
+    }
+
+    @Test
+    fun `should emit error message on failure to delete messages without unsend request`() =
+        runBlockingTest {
+            val message = mock(MessageRecord::class.java)
+            val error = Throwable()
+            whenever(repository.deleteMessageWithoutUnsendRequest(anyLong(), anySet()))
+                .thenReturn(ResultOf.Failure(error))
+
+            viewModel.deleteMessagesWithoutUnsendRequest(setOf(message))
+
+            assertThat(viewModel.uiState.first().uiMessages.first().message, endsWith("$error"))
+        }
+
+    @Test
+    fun `should emit error message on ban user failure`() = runBlockingTest {
+        val error = Throwable()
+        whenever(repository.banUser(anyLong(), any())).thenReturn(ResultOf.Failure(error))
+
+        viewModel.banUser(recipient)
+
+        assertThat(viewModel.uiState.first().uiMessages.first().message, endsWith("$error"))
+    }
+
+    @Test
+    fun `should emit a message on ban user success`() = runBlockingTest {
+        whenever(repository.banUser(anyLong(), any())).thenReturn(ResultOf.Success(Unit))
+
+        viewModel.banUser(recipient)
+
+        assertThat(
+            viewModel.uiState.first().uiMessages.first().message,
+            equalTo("Successfully banned user")
+        )
+    }
+
+    @Test
+    fun `should emit error message on ban user and delete all failure`() = runBlockingTest {
+        val error = Throwable()
+        whenever(repository.banAndDeleteAll(anyLong(), any())).thenReturn(ResultOf.Failure(error))
+
+        viewModel.banAndDeleteAll(recipient)
+
+        assertThat(viewModel.uiState.first().uiMessages.first().message, endsWith("$error"))
+    }
+
+    @Test
+    fun `should emit a message on ban user and delete all success`() = runBlockingTest {
+        whenever(repository.banAndDeleteAll(anyLong(), any())).thenReturn(ResultOf.Success(Unit))
+
+        viewModel.banAndDeleteAll(recipient)
+
+        assertThat(
+            viewModel.uiState.first().uiMessages.first().message,
+            equalTo("Successfully banned user and deleted all their messages")
+        )
+    }
+
+    @Test
+    fun `should remove shown message`() = runBlockingTest {
+        // Given that a message is generated
+        whenever(repository.banUser(anyLong(), any())).thenReturn(ResultOf.Success(Unit))
+        viewModel.banUser(recipient)
+        assertThat(viewModel.uiState.value.uiMessages.size, equalTo(1))
+        // When the message is shown
+        viewModel.messageShown(viewModel.uiState.first().uiMessages.first().id)
+        // Then it should be removed
+        assertThat(viewModel.uiState.value.uiMessages.size, equalTo(0))
+    }
+
+}

app/src/test/java/org/thoughtcrime/securesms/jobs/FastJobStorageTest.java

@@ -1,12 +1,20 @@
 package org.thoughtcrime.securesms.jobs;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 import androidx.annotation.NonNull;
 
 import com.annimon.stream.Stream;
 
 import org.junit.Test;
+import org.session.libsession.messaging.utilities.Data;
 import org.thoughtcrime.securesms.database.JobDatabase;
-import org.thoughtcrime.securesms.jobmanager.Data;
 import org.thoughtcrime.securesms.jobmanager.impl.JsonDataSerializer;
 import org.thoughtcrime.securesms.jobmanager.persistence.ConstraintSpec;
 import org.thoughtcrime.securesms.jobmanager.persistence.DependencySpec;
@@ -17,14 +25,6 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 public class FastJobStorageTest {
 
   private static final JsonDataSerializer serializer = new JsonDataSerializer();

app/src/test/java/org/thoughtcrime/securesms/recipients/RecipientExporterTest.java

@@ -1,7 +1,8 @@
 package org.thoughtcrime.securesms.recipients;
 
-import android.content.Intent;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import android.provider.ContactsContract;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 
 import junit.framework.TestCase;
 
@@ -10,45 +11,14 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.runners.MockitoJUnitRunner;
 import org.session.libsession.utilities.Address;
-
+import org.session.libsession.utilities.recipients.Recipient;
-import static android.provider.ContactsContract.Intents.Insert.EMAIL;
+import org.session.libsession.utilities.recipients.RecipientExporter;
-import static android.provider.ContactsContract.Intents.Insert.NAME;
-import static android.provider.ContactsContract.Intents.Insert.PHONE;
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
 
 //FIXME AC: This test group is outdated.
 @Ignore("This test group uses outdated instrumentation and needs a migration to modern tools.")
 @RunWith(MockitoJUnitRunner.class)
 public final class RecipientExporterTest extends TestCase {
 
-  @Test
-  public void asAddContactIntent_with_phone_number() {
-    Recipient recipient = givenRecipient("Alice", givenPhoneNumber("+1555123456"));
-
-    Intent intent = RecipientExporter.export(recipient).asAddContactIntent();
-
-    assertEquals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction());
-    assertEquals(ContactsContract.Contacts.CONTENT_ITEM_TYPE, intent.getType());
-    assertEquals("Alice", intent.getStringExtra(NAME));
-    assertEquals("+1555123456", intent.getStringExtra(PHONE));
-    assertNull(intent.getStringExtra(EMAIL));
-  }
-
-  @Test
-  public void asAddContactIntent_with_email() {
-    Recipient recipient = givenRecipient("Bob", givenEmail("bob@signal.org"));
-
-    Intent intent = RecipientExporter.export(recipient).asAddContactIntent();
-
-    assertEquals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction());
-    assertEquals(ContactsContract.Contacts.CONTENT_ITEM_TYPE, intent.getType());
-    assertEquals("Bob", intent.getStringExtra(NAME));
-    assertEquals("bob@signal.org", intent.getStringExtra(EMAIL));
-    assertNull(intent.getStringExtra(PHONE));
-  }
-
   @Test
   public void asAddContactIntent_with_neither_email_nor_phone() {
     RecipientExporter exporter = RecipientExporter.export(givenRecipient("Bob", mock(Address.class)));
@@ -64,19 +34,4 @@ public final class RecipientExporterTest extends TestCase {
     return recipient;
   }
 
-  private Address givenPhoneNumber(String phoneNumber) {
-    Address address = mock(Address.class);
-    when(address.isPhone()).thenReturn(true);
-    when(address.toPhoneString()).thenReturn(phoneNumber);
-    when(address.toEmailString()).thenThrow(new RuntimeException());
-    return address;
-  }
-
-  private Address givenEmail(String email) {
-    Address address = mock(Address.class);
-    when(address.isEmail()).thenReturn(true);
-    when(address.toEmailString()).thenReturn(email);
-    when(address.toPhoneString()).thenThrow(new RuntimeException());
-    return address;
-  }
 }

app/src/test/java/org/thoughtcrime/securesms/service/VerificationCodeParserTest.java

@@ -1,61 +0,0 @@
-package org.thoughtcrime.securesms.service;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.thoughtcrime.securesms.BaseUnitTest;
-import org.session.libsignal.utilities.guava.Optional;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Map.Entry;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.anyBoolean;
-import static org.mockito.Matchers.contains;
-import static org.mockito.Mockito.when;
-
-public class VerificationCodeParserTest extends BaseUnitTest {
-  private static Map<String, String> CHALLENGES = new HashMap<String,String>() {{
-      put("Your TextSecure verification code: 337-337",        "337337");
-      put("XXX\nYour TextSecure verification code: 1337-1337", "13371337");
-      put("Your TextSecure verification code: 337-1337",       "3371337");
-      put("Your TextSecure verification code: 1337-337",       "1337337");
-      put("Your TextSecure verification code: 1337-1337",      "13371337");
-      put("XXXYour TextSecure verification code: 1337-1337",   "13371337");
-      put("Your TextSecure verification code: 1337-1337XXX",   "13371337");
-      put("Your TextSecure verification code 1337-1337",       "13371337");
-
-      put("Your Signal verification code: 337-337",        "337337");
-      put("XXX\nYour Signal verification code: 1337-1337", "13371337");
-      put("Your Signal verification code: 337-1337",       "3371337");
-      put("Your Signal verification code: 1337-337",       "1337337");
-      put("Your Signal verification code: 1337-1337",      "13371337");
-      put("XXXYour Signal verification code: 1337-1337",   "13371337");
-      put("Your Signal verification code: 1337-1337XXX",   "13371337");
-      put("Your Signal verification code 1337-1337",       "13371337");
-
-      put("<#>Your Signal verification code: 1337-1337 aAbBcCdDeEf",     "13371337");
-      put("<#> Your Signal verification code: 1337-1337 aAbBcCdDeEf",    "13371337");
-      put("<#>Your Signal verification code: 1337-1337\naAbBcCdDeEf",    "13371337");
-      put("<#> Your Signal verification code: 1337-1337\naAbBcCdDeEf",   "13371337");
-      put("<#> Your Signal verification code: 1337-1337\n\naAbBcCdDeEf", "13371337");
-  }};
-
-  @Before
-  @Override
-  public void setUp() throws Exception {
-    super.setUp();
-    when(sharedPreferences.getBoolean(contains("pref_verifying"), anyBoolean())).thenReturn(true);
-  }
-
-  @Test
-  public void testChallenges() {
-    for (Entry<String,String> challenge : CHALLENGES.entrySet()) {
-      Optional<String> result = VerificationCodeParser.parse(context, challenge.getKey());
-
-      assertTrue(result.isPresent());
-      assertEquals(result.get(), challenge.getValue());
-    }
-  }
-}

app/src/test/java/org/thoughtcrime/securesms/util/DelimiterUtilTest.java

@@ -1,56 +0,0 @@
-package org.thoughtcrime.securesms.util;
-
-
-import org.junit.Before;
-import org.junit.Test;
-
-import static junit.framework.Assert.assertEquals;
-
-public class DelimiterUtilTest {
-
-  @Before
-  public void setup() {}
-
-  @Test
-  public void testEscape() {
-    assertEquals(DelimiterUtil.escape("MTV Music", ' '), "MTV\\ Music");
-    assertEquals(DelimiterUtil.escape("MTV  Music", ' '), "MTV\\ \\ Music");
-
-    assertEquals(DelimiterUtil.escape("MTV,Music", ','), "MTV\\,Music");
-    assertEquals(DelimiterUtil.escape("MTV,,Music", ','), "MTV\\,\\,Music");
-
-    assertEquals(DelimiterUtil.escape("MTV Music", '+'), "MTV Music");
-  }
-
-  @Test
-  public void testSplit() {
-    String[] parts = DelimiterUtil.split("MTV\\ Music", ' ');
-    assertEquals(parts.length, 1);
-    assertEquals(parts[0], "MTV\\ Music");
-
-    parts = DelimiterUtil.split("MTV Music", ' ');
-    assertEquals(parts.length, 2);
-    assertEquals(parts[0], "MTV");
-    assertEquals(parts[1], "Music");
-  }
-
-  @Test
-  public void testEscapeSplit() {
-    String   input        = "MTV Music";
-    String   intermediate = DelimiterUtil.escape(input, ' ');
-    String[] parts        = DelimiterUtil.split(intermediate, ' ');
-
-    assertEquals(parts.length, 1);
-    assertEquals(parts[0], "MTV\\ Music");
-    assertEquals(DelimiterUtil.unescape(parts[0], ' '), "MTV Music");
-
-    input        = "MTV\\ Music";
-    intermediate = DelimiterUtil.escape(input, ' ');
-    parts        = DelimiterUtil.split(intermediate, ' ');
-
-    assertEquals(parts.length, 1);
-    assertEquals(parts[0], "MTV\\\\ Music");
-    assertEquals(DelimiterUtil.unescape(parts[0], ' '), "MTV\\ Music");
-  }
-
-}

app/src/test/java/org/thoughtcrime/securesms/util/DelimiterUtilTest.kt

@@ -0,0 +1,50 @@
+package org.thoughtcrime.securesms.util
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.session.libsession.utilities.DelimiterUtil
+
+class DelimiterUtilTest {
+   
+    @Test
+    fun testEscape() {
+        assertEquals(DelimiterUtil.escape("MTV Music", ' '), "MTV\\ Music")
+        assertEquals(DelimiterUtil.escape("MTV  Music", ' '), "MTV\\ \\ Music")
+
+        assertEquals(DelimiterUtil.escape("MTV,Music", ','), "MTV\\,Music")
+        assertEquals(DelimiterUtil.escape("MTV,,Music", ','), "MTV\\,\\,Music")
+
+        assertEquals(DelimiterUtil.escape("MTV Music", '+'), "MTV Music")
+    }
+
+    @Test
+    fun testSplit() {
+        var parts = DelimiterUtil.split("MTV\\ Music", ' ')
+        assertEquals(parts.size, 1)
+        assertEquals(parts[0], "MTV\\ Music")
+
+        parts = DelimiterUtil.split("MTV Music", ' ')
+        assertEquals(parts.size, 2)
+        assertEquals(parts[0], "MTV")
+        assertEquals(parts[1], "Music")
+    }
+
+    @Test
+    fun testEscapeSplit() {
+        var input = "MTV Music"
+        var intermediate = DelimiterUtil.escape(input, ' ')
+        var parts = DelimiterUtil.split(intermediate, ' ')
+
+        assertEquals(parts.size, 1)
+        assertEquals(parts[0], "MTV\\ Music")
+        assertEquals(DelimiterUtil.unescape(parts[0], ' '), "MTV Music")
+
+        input = "MTV\\ Music"
+        intermediate = DelimiterUtil.escape(input, ' ')
+        parts = DelimiterUtil.split(intermediate, ' ')
+
+        assertEquals(parts.size, 1)
+        assertEquals(parts[0], "MTV\\\\ Music")
+        assertEquals(DelimiterUtil.unescape(parts[0], ' '), "MTV\\ Music")
+    }
+}

app/src/test/java/org/thoughtcrime/securesms/util/PhoneNumberFormatterTest.java

@@ -1,67 +0,0 @@
-package org.thoughtcrime.securesms.util;
-
-import junit.framework.AssertionFailedError;
-
-import org.junit.Test;
-import org.thoughtcrime.securesms.BaseUnitTest;
-import org.session.libsignal.service.api.util.InvalidNumberException;
-import org.session.libsignal.service.api.util.PhoneNumberFormatter;
-
-import static org.assertj.core.api.Assertions.assertThat;
-
-public class PhoneNumberFormatterTest extends BaseUnitTest {
-  private static final String LOCAL_NUMBER_US  = "+15555555555";
-  private static final String NUMBER_CH        = "+41446681800";
-  private static final String NUMBER_UK        = "+442079460018";
-  private static final String NUMBER_DE        = "+4930123456";
-  private static final String NUMBER_MOBILE_DE = "+49171123456";
-  private static final String COUNTRY_CODE_CH  = "41";
-  private static final String COUNTRY_CODE_UK  = "44";
-  private static final String COUNTRY_CODE_DE  = "49";
-
-  @Test
-  public void testFormatNumber() throws Exception, InvalidNumberException {
-    assertThat(PhoneNumberFormatter.formatNumber("(555) 555-5555", LOCAL_NUMBER_US)).isEqualTo(LOCAL_NUMBER_US);
-    assertThat(PhoneNumberFormatter.formatNumber("555-5555", LOCAL_NUMBER_US)).isEqualTo(LOCAL_NUMBER_US);
-    assertThat(PhoneNumberFormatter.formatNumber("(123) 555-5555", LOCAL_NUMBER_US)).isNotEqualTo(LOCAL_NUMBER_US);
-  }
-
-  @Test
-  public void testFormatNumberEmail() throws Exception {
-    try {
-      PhoneNumberFormatter.formatNumber("person@domain.com", LOCAL_NUMBER_US);
-      throw new AssertionFailedError("should have thrown on email");
-    } catch (InvalidNumberException ine) {
-      // success
-    }
-  }
-
-  @Test
-  public void testFormatNumberE164() throws Exception, InvalidNumberException {
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_UK, "(020) 7946 0018")).isEqualTo(NUMBER_UK);
-//    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_UK, "044 20 7946 0018")).isEqualTo(NUMBER_UK);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_UK, "+442079460018")).isEqualTo(NUMBER_UK);
-
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_CH, "+41 44 668 18 00")).isEqualTo(NUMBER_CH);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_CH, "+41 (044) 6681800")).isEqualTo(NUMBER_CH);
-
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "0049 030 123456")).isEqualTo(NUMBER_DE);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "0049 (0)30123456")).isEqualTo(NUMBER_DE);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "0049((0)30)123456")).isEqualTo(NUMBER_DE);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "+49 (0) 30  1 2  3 45 6 ")).isEqualTo(NUMBER_DE);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "030 123456")).isEqualTo(NUMBER_DE);
-
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "0171123456")).isEqualTo(NUMBER_MOBILE_DE);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "0171/123456")).isEqualTo(NUMBER_MOBILE_DE);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "+490171/123456")).isEqualTo(NUMBER_MOBILE_DE);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "00490171/123456")).isEqualTo(NUMBER_MOBILE_DE);
-    assertThat(PhoneNumberFormatter.formatE164(COUNTRY_CODE_DE, "0049171/123456")).isEqualTo(NUMBER_MOBILE_DE);
-  }
-
-  @Test
-  public void testFormatRemoteNumberE164() throws Exception, InvalidNumberException {
-    assertThat(PhoneNumberFormatter.formatNumber("+4402079460018", LOCAL_NUMBER_US)).isEqualTo(NUMBER_UK);
-  }
-
-
-}

app/src/test/java/org/thoughtcrime/securesms/util/dynamiclanguage/LanguageStringTest.java

@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.util.dynamiclanguage;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
+import org.session.libsession.utilities.dynamiclanguage.LanguageString;
 
 import java.util.Arrays;
 import java.util.Collection;

app/src/test/java/org/thoughtcrime/securesms/util/dynamiclanguage/LocaleParserTest.java

@@ -7,6 +7,8 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
+import org.session.libsession.utilities.dynamiclanguage.LocaleParser;
+
 import network.loki.messenger.BuildConfig;
 
 import java.util.Arrays;

build.gradle

@@ -4,9 +4,9 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath 'com.android.tools.build:gradle:4.2.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
-        classpath "com.google.gms:google-services:4.3.4"
+        classpath "com.google.gms:google-services:4.3.10"
         classpath files('libs/gradle-witness.jar')
     }
 }

gradle.properties

@@ -2,9 +2,15 @@ android.useAndroidX=true
 android.enableJetifier=true
 org.gradle.jvmargs=-Xmx2048m
 
-kotlinVersion=1.4.32
+kotlinVersion=1.6.0
+coroutinesVersion=1.6.0
+kotlinxJsonVersion=1.3.0
+lifecycleVersion=2.3.1
+daggerVersion=2.40.1
+glideVersion=4.11.0
 kovenantVersion=3.3.0
 curve25519Version=0.5.0
 protobufVersion=2.5.0
 okhttpVersion=3.12.1
-jacksonDatabindVersion=2.9.8
+jacksonDatabindVersion=2.9.8
+mockitoKotlinVersion=4.0.0

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
+#Thu Dec 30 07:09:53 SAST 2021
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.6.1-all.zip
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME

libsession/build.gradle

@@ -23,12 +23,13 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
     implementation 'androidx.core:core-ktx:1.3.2'
     implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.preference:preference-ktx:1.1.1'
     implementation 'com.google.android.material:material:1.2.1'
     implementation "com.google.protobuf:protobuf-java:$protobufVersion"
-    testImplementation 'junit:junit:4.+'
+    implementation "com.google.dagger:hilt-android:$daggerVersion"
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
-    implementation 'com.github.bumptech.glide:glide:4.11.0'
+    implementation "com.github.bumptech.glide:glide:$glideVersion"
     implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
     implementation 'com.annimon:stream:1.1.8'
     implementation 'com.makeramen:roundedimageview:2.1.0'
@@ -39,7 +40,7 @@ dependencies {
     implementation "com.squareup.okhttp3:okhttp:$okhttpVersion"
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
     implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlinVersion"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.2"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutinesVersion"
     implementation "nl.komponents.kovenant:kovenant:$kovenantVersion"
     testImplementation "junit:junit:3.8.2"
     testImplementation "org.assertj:assertj-core:1.7.1"

libsession/src/main/java/org/session/libsession/messaging/jobs/JobQueue.kt

@@ -1,11 +1,18 @@
 package org.session.libsession.messaging.jobs
 
-import kotlinx.coroutines.*
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.asCoroutineDispatcher
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.channels.Channel.Factory.UNLIMITED
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.plus
 import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsignal.utilities.Log
-import java.util.*
+import java.util.Timer
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.Executors
 import java.util.concurrent.atomic.AtomicInteger
@@ -25,7 +32,10 @@ class JobQueue : JobDelegate {
 
     val timer = Timer()
 
-    private fun CoroutineScope.processWithDispatcher(channel: Channel<Job>, dispatcher: CoroutineDispatcher) = launch(dispatcher) {
+    private fun CoroutineScope.processWithDispatcher(
+        channel: Channel<Job>,
+        dispatcher: CoroutineDispatcher
+    ) = launch(dispatcher) {
         for (job in channel) {
             if (!isActive) break
             job.delegate = this@JobQueue
@@ -74,7 +84,7 @@ class JobQueue : JobDelegate {
 
     fun add(job: Job) {
         addWithoutExecuting(job)
-        queue.offer(job) // offer always called on unlimited capacity
+        queue.trySend(job) // offer always called on unlimited capacity
     }
 
     private fun addWithoutExecuting(job: Job) {
@@ -97,7 +107,7 @@ class JobQueue : JobDelegate {
             Log.e("Loki","tried to re-queue pending/in-progress job")
             return
         }
-        queue.offer(job)
+        queue.trySend(job)
         Log.d("Loki", "resumed pending send message $id")
     }
 
@@ -114,7 +124,7 @@ class JobQueue : JobDelegate {
         }
         pendingJobs.sortedBy { it.id }.forEach { job ->
             Log.i("Loki", "Resuming pending job of type: ${job::class.simpleName}.")
-            queue.offer(job) // Offer always called on unlimited capacity
+            queue.trySend(job) // Offer always called on unlimited capacity
         }
     }
 
@@ -170,7 +180,7 @@ class JobQueue : JobDelegate {
             Log.i("Loki", "${job::class.simpleName} failed; scheduling retry (failure count is ${job.failureCount}).")
             timer.schedule(delay = retryInterval) {
                 Log.i("Loki", "Retrying ${job::class.simpleName}.")
-                queue.offer(job)
+                queue.trySend(job)
             }
         }
     }