Add push notification icon

app/src/google/AndroidManifest.xml

@@ -16,6 +16,10 @@
             android:name="com.google.firebase.messaging.default_notification_channel_id"
             android:value="@string/notification_channel_id" />
 
+        <meta-data
+            android:name="com.google.firebase.messaging.default_notification_icon"
+            android:resource="@drawable/ic_stat_notify" />
+
         <service android:name=".ManagerMessagingService">
             <intent-filter>
                 <action android:name="com.google.firebase.MESSAGING_EVENT" />

app/src/google/java/org/traccar/manager/ManagerMessagingService.java

@@ -32,7 +32,7 @@ public class ManagerMessagingService extends FirebaseMessagingService {
         PendingIntent pendingIntent = PendingIntent.getActivity(
                 this, 0, new Intent(this, MainActivity.class), PendingIntent.FLAG_ONE_SHOT);
         NotificationCompat.Builder builder = new NotificationCompat.Builder(this, getString(R.string.notification_channel_id))
-                .setSmallIcon(R.mipmap.ic_launcher)
+                .setSmallIcon(R.drawable.ic_stat_notify)
                 .setContentTitle(getString(R.string.app_name))
                 .setContentText(remoteMessage.getNotification().getBody())
                 .setAutoCancel(true)

app/src/main/res/drawable/ic_stat_notify.xml

@@ -0,0 +1,10 @@
+<vector
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="72.0"
+    android:viewportWidth="72.0"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M36,0A36,36 0,0 0,0 36A36,36 0,0 0,36 72A36,36 0,0 0,72 36A36,36 0,0 0,36 0zM50.51,14.66C53.41,16.89 55.93,19.68 57.88,23.05C59.83,26.42 60.99,30 61.46,33.63L55.09,34.55C54.72,31.74 53.87,28.85 52.36,26.24C50.85,23.63 48.78,21.45 46.53,19.72L50.51,14.66zM42.82,24.85C44.4,26.08 45.77,27.58 46.84,29.43C47.91,31.27 48.52,33.21 48.79,35.2L42.42,36.12C42.25,34.95 41.95,33.7 41.32,32.61C40.69,31.53 39.77,30.64 38.84,29.91L42.82,24.85zM18.38,31.13L24.76,42.17L31.13,53.21A12.75,12.75 37.68,0 1,18.38 53.21A12.75,12.75 37.68,0 1,12.01 42.17A12.75,12.75 37.68,0 1,18.38 31.13zM32.96,34.21A3.19,3.19 60,0 1,35.8 35.8A3.19,3.19 60,0 1,34.63 40.15A3.19,3.19 60,0 1,30.28 38.99A3.19,3.19 60,0 1,31.45 34.63A3.19,3.19 60,0 1,32.96 34.21z"/>
+</vector>