Fix setState on unmounted components

Author: nicolasbraun

packages/flyer_chat_video_message/lib/src/flyer_chat_video_message.dart

@@ -147,20 +147,22 @@ class _FlyerChatVideoMessageState extends State<FlyerChatVideoMessage> {
       quality: 25,
       headers: widget.headers,
     );
-    setState(() {
-      // TODO should we add 'image' package to decode and get height and width
-      // to update _aspectRatio?
+    if (mounted) {
+      setState(() {
+        // TODO should we add 'image' package to decode and get height and width
+        // to update _aspectRatio?
 
-      // import 'package:image/image.dart' as img;
+        // import 'package:image/image.dart' as img;
 
-      // final decoded = img.decodeImage(coverImageBytes!);
-      // if (decoded != null) {
-      //   final width = decoded.width;
-      //   final height = decoded.height;
-      // }
+        // final decoded = img.decodeImage(coverImageBytes!);
+        // if (decoded != null) {
+        //   final width = decoded.width;
+        //   final height = decoded.height;
+        // }
 
-      _placeholderProvider = MemoryImage(coverImageBytes!);
-    });
+        _placeholderProvider = MemoryImage(coverImageBytes!);
+      });
+    }
   }
 
   @override

packages/flyer_chat_video_message/lib/src/widgets/full_screen_video_player.dart

@@ -46,15 +46,17 @@ class _FullscreenVideoPlayerState extends State<FullscreenVideoPlayer> {
     }
 
     await _videoPlayer.initialize();
-    setState(() {
-      _aspectRatio = _videoPlayer.value.aspectRatio;
-      _chewieController = ChewieController(
-        videoPlayerController: _videoPlayer,
-        autoPlay: true,
-        allowFullScreen: false,
-        autoInitialize: false,
-      );
-    });
+    if (mounted) {
+      setState(() {
+        _aspectRatio = _videoPlayer.value.aspectRatio;
+        _chewieController = ChewieController(
+          videoPlayerController: _videoPlayer,
+          autoPlay: true,
+          allowFullScreen: false,
+          autoInitialize: false,
+        );
+      });
+    }
   }
 
   @override