Allow background sound notification

android/app/src/main/AndroidManifest.xml

@@ -8,7 +8,7 @@
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <application
         android:label="tasq"
-        android:name="${applicationName}"
+        android:name=".App"
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
@@ -47,7 +47,7 @@
             android:value="2" />
         <meta-data
             android:name="com.google.firebase.messaging.default_notification_channel_id"
-            android:value="tasq_high_importance_channel" />
+            android:value="tasq_custom_sound_channel_2" />
     </application>
     <!-- Required to query activities that can process text, see:
          https://developer.android.com/training/package-visibility and

android/app/src/main/kotlin/com/example/tasq/App.kt

@@ -0,0 +1,32 @@
+package com.example.tasq
+
+import android.app.Application
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.media.AudioAttributes
+import android.net.Uri
+
+class App : Application() {
+    override fun onCreate() {
+        super.onCreate()
+        createTasqChannel()
+    }
+
+    private fun createTasqChannel() {
+        val channelId = "tasq_custom_sound_channel"
+        val name = "TasQ notifications"
+        val importance = NotificationManager.IMPORTANCE_HIGH
+        val channel = NotificationChannel(channelId, name, importance)
+
+        val soundUri = Uri.parse("android.resource://$packageName/raw/tasq_notification")
+        val audioAttributes = AudioAttributes.Builder()
+            .setUsage(AudioAttributes.USAGE_NOTIFICATION)
+            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
+            .build()
+
+        channel.setSound(soundUri, audioAttributes)
+
+        val nm = getSystemService(NotificationManager::class.java)
+        nm?.createNotificationChannel(channel)
+    }
+}

android/app/src/main/res/raw/keep.xml

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools"
+    tools:keep="@raw/tasq_notification" />