fix: clear audio noti

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/plugin/pl_player/controller.dart

@@ -1529,7 +1529,6 @@ class PlPlayerController {
       return;
     }
     _playerCount.value = 0;
-    videoPlayerServiceHandler.clear();
     Utils.channel.setMethodCallHandler(null);
     pause();
     try {
@@ -1560,6 +1559,7 @@ class PlPlayerController {
         _videoPlayerController = null;
       }
       _instance = null;
+      videoPlayerServiceHandler.clear();
     } catch (err) {
       debugPrint(err.toString());
     }

lib/services/audio_handler.dart

@@ -67,7 +67,9 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
   }
 
   Future<void> setPlaybackState(PlayerStatus status, bool isBuffering) async {
-    if (!enableBackgroundPlay || PlPlayerController.instanceExists().not) {
+    if (!enableBackgroundPlay ||
+        _item.isEmpty ||
+        PlPlayerController.instanceExists().not) {
       return;
     }
 
@@ -192,7 +194,9 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
   }
 
   onPositionChange(Duration position) {
-    if (!enableBackgroundPlay) return;
+    if (!enableBackgroundPlay ||
+        _item.isEmpty ||
+        PlPlayerController.instanceExists().not) return;
 
     playbackState.add(playbackState.value.copyWith(
       updatePosition: position,