Merge pull request #7224 from vhouriet/vhouriet_fix_check-background-player-type

Check if background player already active before displaying player toast

app/src/main/java/org/schabi/newpipe/util/NavigationHelper.java

@@ -157,8 +157,10 @@ public final class NavigationHelper {
     public static void playOnBackgroundPlayer(final Context context,
                                               final PlayQueue queue,
                                               final boolean resumePlayback) {
-        Toast.makeText(context, R.string.background_player_playing_toast, Toast.LENGTH_SHORT)
-                .show();
+        if (PlayerHolder.getInstance().getType() != MainPlayer.PlayerType.AUDIO) {
+            Toast.makeText(context, R.string.background_player_playing_toast, Toast.LENGTH_SHORT)
+                    .show();
+        }
         final Intent intent = getPlayerIntent(context, MainPlayer.class, queue, resumePlayback);
         intent.putExtra(Player.PLAYER_TYPE, MainPlayer.PlayerType.AUDIO.ordinal());
         ContextCompat.startForegroundService(context, intent);