Implement missed call notifications

app/src/main/AndroidManifest.xml

@@ -200,6 +200,15 @@
  </intent-filter>
  </receiver>
 
+ <receiver
+ android:name=".receivers.MissedCallReceiver"
+ android:enabled="true"
+ android:exported="true">
+ <intent-filter>
+ <action android:name="android.telecom.action.SHOW_MISSED_CALLS_NOTIFICATION" />
+ </intent-filter>
+ </receiver>
+
  <activity-alias
  android:name=".activities.SplashActivity.Red"
  android:enabled="false"

app/src/main/kotlin/org/fossify/phone/helpers/Constants.kt

@@ -27,5 +27,6 @@ val tabsList = arrayListOf(TAB_CONTACTS, TAB_FAVORITES, TAB_CALL_HISTORY)
 private const val PATH = "org.fossify.phone.action."
 const val ACCEPT_CALL = PATH + "accept_call"
 const val DECLINE_CALL = PATH + "decline_call"
+const val MISSED_CALLS = PATH + "missed_call"
 
 const val DIALPAD_TONE_LENGTH_MS = 150L // The length of DTMF tones in milliseconds

app/src/main/kotlin/org/fossify/phone/receivers/MissedCallReceiver.kt

@@ -0,0 +1,77 @@
+package org.fossify.phone.receivers
+
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.graphics.drawable.Icon
+import android.net.Uri
+import android.os.Build
+import android.telecom.TelecomManager
+import androidx.annotation.RequiresApi
+import androidx.core.app.NotificationCompat
+import org.fossify.commons.extensions.getLaunchIntent
+import org.fossify.commons.extensions.notificationManager
+import org.fossify.commons.helpers.SimpleContactsHelper
+import org.fossify.phone.R
+import org.fossify.phone.helpers.MISSED_CALLS
+import kotlin.random.Random
+
+@RequiresApi(Build.VERSION_CODES.O)
+class MissedCallReceiver : BroadcastReceiver() {
+ override fun onReceive(context: Context, intent: Intent) {
+ if (intent.action == TelecomManager.ACTION_SHOW_MISSED_CALLS_NOTIFICATION) {
+ val extras = intent.extras!!
+ val notificationCount = extras.getInt(TelecomManager.EXTRA_NOTIFICATION_COUNT)
+ if (notificationCount != 0) {
+ val phoneNumber = extras.getString(TelecomManager.EXTRA_NOTIFICATION_PHONE_NUMBER)!!
+ val helper = SimpleContactsHelper(context)
+ val name = helper.getNameFromPhoneNumber(phoneNumber)
+ val photoUri = helper.getPhotoUriFromPhoneNumber(phoneNumber)
+
+ val notificationManager = context.notificationManager
+ val channel = NotificationChannel(
+ "missed_call_channel",
+ context.getString(R.string.missed_call_channel),
+ NotificationManager.IMPORTANCE_LOW
+ )
+ notificationManager.createNotificationChannel(channel)
+
+ val pendingIntent = PendingIntent.getActivity(
+ context, 0, context.getLaunchIntent(), PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+ )
+ val callBack = Intent(Intent.ACTION_CALL).apply {
+ data = Uri.fromParts("tel", phoneNumber, null)
+ }
+ val callBackIntent = PendingIntent.getActivity(
+ context, 0, callBack, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+ )
+ val smsIntent = Intent(Intent.ACTION_VIEW).apply {
+ data = Uri.fromParts("sms", phoneNumber, null)
+ }
+ val messageIntent = PendingIntent.getActivity(
+ context, 0, smsIntent, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+ )
+ val cancel = Intent("android.intent.action.CANCEL_MISSED_CALLS_NOTIFICATION")
+ val cancelIntent = PendingIntent.getActivity(
+ context, 0, cancel, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+ )
+ val notification = NotificationCompat.Builder(context, "missed_call_channel")
+ .setSmallIcon(android.R.drawable.sym_call_missed)
+ .setContentTitle(context.getString(R.string.missed_call))
+ .setContentText(context.getString(R.string.missed_call_from, name))
+ .setLargeIcon(Icon.createWithContentUri(photoUri))
+ .setAutoCancel(true)
+ .setGroup(MISSED_CALLS)
+ .setContentIntent(pendingIntent)
+ .addAction(0, context.getString(R.string.call_back), callBackIntent)
+ .addAction(0, context.getString(R.string.message), messageIntent)
+ .setDeleteIntent(cancelIntent)
+ .build()
+ notificationManager.notify(Random.nextInt(), notification)
+ }
+ }
+ }
+}

app/src/main/res/values/strings.xml

@@ -84,6 +84,13 @@
  <string name="faq_1_title">I hear incoming calls, but the screen doesn\'t turn on. What can I do?</string>
  <string name="faq_1_text">Such issues can have many device and system specific reasons, hard to say in general. You should look around in your device settings and make sure that the app is allowed to pop up when in background and allow displaying over other apps.</string>
 
+ <!-- Notifications -->
+ <string name="missed_call_channel">Missed Calls</string>
+ <string name="missed_call">Missed call</string>
+ <string name="missed_call_from">Missed call from %s</string>
+ <string name="call_back">Call back</string>
+ <string name="message">Message</string>
+
  <!--
  Haven't found some strings? There's more at
  https://github.com/FossifyOrg/Commons/tree/master/commons/src/main/res