Flat style for the styled Session buttons.

Fixed home activity bottom sheet uses wrong colors.

res/values/styles.xml

@@ -63,6 +63,9 @@
         <item name="android:textAllCaps">false</item>
         <item name="android:textSize">@dimen/medium_font_size</item>
         <item name="android:fontFamily">sans-serif-medium</item>
+        <!-- Helps to get rid of nasty elevation. We want a flat style here. -->
+        <!-- https://stackoverflow.com/a/31003693/3802890 -->
+        <item name ="android:stateListAnimator">@null</item>
     </style>
 
     <style name="Widget.Session.Button.Common.ProminentFilled">

src/org/thoughtcrime/securesms/BaseActionBarActivity.java

@@ -121,6 +121,9 @@ public abstract class BaseActionBarActivity extends AppCompatActivity {
     ActivityCompat.startActivity(this, intent, bundle);
   }
 
+  //TODO AC: I don't think we need this method,
+  // setting any colors directly will most likely clash with the current theme.
+  @Deprecated
   @TargetApi(VERSION_CODES.LOLLIPOP)
   protected void setStatusBarColor(int color) {
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {

src/org/thoughtcrime/securesms/loki/dialogs/ConversationOptionsBottomSheet.kt

@@ -5,23 +5,41 @@ import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.appcompat.view.ContextThemeWrapper
+import kotlinx.android.synthetic.main.fragment_closed_group_edit_bottom_sheet.*
 import kotlinx.android.synthetic.main.fragment_conversation_bottom_sheet.*
 import kotlinx.android.synthetic.main.fragment_device_list_bottom_sheet.*
 import network.loki.messenger.R
 import org.thoughtcrime.securesms.recipients.Recipient
 
 public class ConversationOptionsBottomSheet : BottomSheetDialogFragment() {
+
+    //FIXME AC: Supplying a recipient 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
+    // if we want to use dialog fragments properly.
     lateinit var recipient: Recipient
+
     var onBlockTapped: (() -> Unit)? = null
     var onUnblockTapped: (() -> Unit)? = null
     var onDeleteTapped: (() -> Unit)? = null
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_conversation_bottom_sheet, container, false)
+        //FIXME AC: For some reason this fragment (created from HomeActivity)
+        // is not using the activity's theme. So we have to enforce it.
+        return LayoutInflater.from(ContextThemeWrapper(requireContext(), R.style.Theme_Session_DayNight))
+                .inflate(R.layout.fragment_conversation_bottom_sheet, container, false)
+//        return inflater.inflate(R.layout.fragment_conversation_bottom_sheet, container, false)
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+
+        if (!this::recipient.isInitialized) {
+            dismiss()
+            return
+        }
+
         if (!recipient.isGroupRecipient && !recipient.isLocalNumber) {
             unblockTextView.visibility = if (recipient.isBlocked) View.VISIBLE else View.GONE
             blockTextView.visibility = if (recipient.isBlocked) View.GONE else View.VISIBLE