Add Already playing in background toast

Author: vhouriet

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

@@ -168,10 +168,16 @@ public static void playOnPopupPlayer(final Context context,
     public static void playOnBackgroundPlayer(final Context context,
                                               final PlayQueue queue,
                                               final boolean resumePlayback) {
-        if (PlayerHolder.getInstance().getType() != MainPlayer.PlayerType.AUDIO) {
-            Toast.makeText(context, R.string.background_player_playing_toast, Toast.LENGTH_SHORT)
-                    .show();
+        final int toastText;
+        if (PlayerHolder.getInstance().getType() == MainPlayer.PlayerType.AUDIO) {
+            toastText = R.string.background_player_already_playing_toast;
+        } else {
+            toastText = R.string.background_player_playing_toast;
         }
+
+        Toast.makeText(context, toastText, 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);

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

@@ -147,6 +147,7 @@
     <string name="settings_category_updates_title">Updates</string>
     <string name="settings_category_notification_title">Notification</string>
     <string name="background_player_playing_toast">Playing in background</string>
+    <string name="background_player_already_playing_toast">Already playing in background</string>
     <string name="popup_playing_toast">Playing in popup mode</string>
     <string name="content">Content</string>
     <string name="show_age_restricted_content_title">Show age restricted content</string>