Only send player started event if there really is a player

Author: Stypox

app/src/main/java/org/schabi/newpipe/player/helper/PlayerHolder.java

@@ -192,9 +192,11 @@ public void onServiceConnected(final ComponentName compName, final IBinder servi
             startPlayerListener();
             // ^ will call listener.onPlayerConnected() down the line if there is an active player
 
-            // notify the main activity that binding the service has completed, so that it can
-            // open the bottom mini-player
-            NavigationHelper.sendPlayerStartedEvent(localBinder.getService());
+            if (playerService != null && playerService.getPlayer() != null) {
+                // notify the main activity that binding the service has completed and that there is
+                // a player, so that it can open the bottom mini-player
+                NavigationHelper.sendPlayerStartedEvent(localBinder.getService());
+            }
         }
     }