fix: resolve some sentry issues

lib/components/image_bubble.dart

@@ -86,16 +86,24 @@ class _ImageBubbleState extends State<ImageBubble> {
             }
             if (_thumbnail == null && !_requestedThumbnail && !isUnencrypted) {
               _getThumbnail().then((MatrixFile thumbnail) {
-                setState(() => _thumbnail = thumbnail);
+                if (mounted) {
+                  setState(() => _thumbnail = thumbnail);
+                }
               }, onError: (error, stacktrace) {
-                setState(() => _error = error);
+                if (mounted) {
+                  setState(() => _error = error);
+                }
               });
             }
             if (_file == null && !widget.thumbnailOnly && !_requestedFile) {
               _getFile().then((MatrixFile file) {
-                setState(() => _file = file);
+                if (mounted) {
+                  setState(() => _file = file);
+                }
               }, onError: (error, stacktrace) {
-                setState(() => _error = error);
+                if (mounted) {
+                  setState(() => _error = error);
+                }
               });
             }
             final display = _file ?? _thumbnail;

lib/views/chat.dart

@@ -121,6 +121,9 @@ class _ChatState extends State<_Chat> {
   }
 
   void _updateScrollController() {
+    if (!mounted) {
+      return;
+    }
     if (_scrollController.position.pixels ==
             _scrollController.position.maxScrollExtent &&
         timeline.events.isNotEmpty &&
@@ -176,17 +179,27 @@ class _ChatState extends State<_Chat> {
     if (timeline == null) {
       timeline = await room.getTimeline(onUpdate: updateView);
       if (timeline.events.isNotEmpty) {
-        unawaited(room.sendReadReceipt(timeline.events.first.eventId));
+        unawaited(room
+            .sendReadReceipt(timeline.events.first.eventId)
+            .catchError((err) {
+          if (err is MatrixException && err.errcode == 'M_FORBIDDEN') {
+            // ignore if the user is not in the room (still joining)
+            return;
+          }
+          throw err;
+        }));
       }
 
       // when the scroll controller is attached we want to scroll to an event id, if specified
       // and update the scroll controller...which will trigger a request history, if the
       // "load more" button is visible on the screen
       SchedulerBinding.instance.addPostFrameCallback((_) async {
-        if (widget.scrollToEventId != null) {
-          _scrollToEventId(widget.scrollToEventId, context: context);
+        if (mounted) {
+          if (widget.scrollToEventId != null) {
+            _scrollToEventId(widget.scrollToEventId, context: context);
+          }
+          _updateScrollController();
         }
-        _updateScrollController();
       });
     }
     updateView();
@@ -406,6 +419,9 @@ class _ChatState extends State<_Chat> {
         await task;
       }
     }
+    if (!mounted) {
+      return;
+    }
     await _scrollController.scrollToIndex(eventIndex,
         preferPosition: AutoScrollPosition.middle);
     _updateScrollController();

pubspec.lock

@@ -215,8 +215,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "66572bd03209c1c6488cde53a0c72c11faef341d"
-      resolved-ref: "66572bd03209c1c6488cde53a0c72c11faef341d"
+      ref: c8d5bbfd144fd4ed36ebb12abc83e7676b9e45b0
+      resolved-ref: c8d5bbfd144fd4ed36ebb12abc83e7676b9e45b0
       url: "https://gitlab.com/famedly/famedlysdk.git"
     source: git
     version: "0.0.1"
@@ -1151,5 +1151,5 @@ packages:
     source: hosted
     version: "0.1.2"
 sdks:
-  dart: ">=2.10.2 <2.11.0"
+  dart: ">=2.10.2 <=2.11.0-161.0.dev"
   flutter: ">=1.22.2 <2.0.0"

pubspec.yaml

@@ -23,7 +23,7 @@ dependencies:
   famedlysdk:
     git:
       url: https://gitlab.com/famedly/famedlysdk.git
-      ref: 66572bd03209c1c6488cde53a0c72c11faef341d
+      ref: c8d5bbfd144fd4ed36ebb12abc83e7676b9e45b0
 
   localstorage: ^3.0.3+6
   file_picker_cross: 4.2.2