session-android/src/org/thoughtcrime/securesms/loki/QRCodeDialog.kt
2019-10-08 12:17:25 +11:00

39 lines
No EOL
1.5 KiB
Kotlin

package org.thoughtcrime.securesms.loki
import android.content.Context
import android.support.v7.app.AlertDialog
import android.util.AttributeSet
import android.util.DisplayMetrics
import android.widget.LinearLayout
import kotlinx.android.synthetic.main.view_qr_code.view.*
import network.loki.messenger.R
import org.thoughtcrime.securesms.qr.QrCode
import org.thoughtcrime.securesms.util.ServiceUtil
import org.thoughtcrime.securesms.util.TextSecurePreferences
object QRCodeDialog {
fun show(context: Context) {
val view = QRCodeView(context)
val dialog = AlertDialog.Builder(context).setView(view).show()
view.onCancel = { dialog.dismiss() }
}
}
class QRCodeView(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : LinearLayout(context, attrs, defStyleAttr) {
var onCancel: (() -> Unit)? = null
constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)
constructor(context: Context) : this(context, null)
init {
inflate(context, R.layout.view_qr_code, this)
val hexEncodedPublicKey = TextSecurePreferences.getMasterHexEncodedPublicKey(getContext()) ?: TextSecurePreferences.getLocalNumber(context)
val displayMetrics = DisplayMetrics()
ServiceUtil.getWindowManager(context).defaultDisplay.getMetrics(displayMetrics)
val size = displayMetrics.widthPixels - 2 * toPx(96, resources)
val qrCode = QrCode.create(hexEncodedPublicKey, size)
qrCodeImageView.setImageBitmap(qrCode)
cancelButton.setOnClickListener { onCancel?.invoke() }
}
}