From baa73045f0f9b1a019db121f7a8fbc8ad96c64a7 Mon Sep 17 00:00:00 2001
From: Ryan Heise <ryan@ryanheise.com>
Date: Tue, 5 Jan 2021 13:59:53 +1100
Subject: [PATCH] Cancel event subscription before disposing platform.

---
 just_audio/lib/just_audio.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/just_audio/lib/just_audio.dart b/just_audio/lib/just_audio.dart
index dcf8ba6..0f7bf9f 100644
--- a/just_audio/lib/just_audio.dart
+++ b/just_audio/lib/just_audio.dart
@@ -921,6 +921,7 @@ class AudioPlayer {
     final audioSource = _audioSource;
     final durationCompleter = Completer<Duration>();
     _platform = Future<AudioPlayerPlatform>(() async {
+      _playbackEventSubscription?.cancel();
       if (oldPlatformFuture != null) {
         final oldPlatform = await oldPlatformFuture;
         if (oldPlatform != _idlePlatform) {
@@ -933,7 +934,6 @@ class AudioPlayer {
           ? await (_nativePlatform =
               JustAudioPlatform.instance.init(InitRequest(id: _id)))
           : _idlePlatform;
-      _playbackEventSubscription?.cancel();
       _playbackEventSubscription =
           platform.playbackEventMessageStream.listen((message) {
         var duration = message.duration;