fixes late initation error

lib/src/visual/views/chats/chat_messages.view.dart

@@ -40,8 +40,8 @@ class ChatMessagesView extends StatefulWidget {
 class _ChatMessagesViewState extends State<ChatMessagesView>
     with WidgetsBindingObserver {
   HashSet<int> alreadyReportedOpened = HashSet<int>();
-  late StreamSubscription<Group?> userSub;
-  late StreamSubscription<List<Message>> messageSub;
+  StreamSubscription<Group?>? userSub;
+  StreamSubscription<List<Message>>? messageSub;
   StreamSubscription<List<GroupHistory>>? groupActionsSub;
   StreamSubscription<List<Contact>>? contactSub;
 
@@ -55,7 +55,7 @@ class _ChatMessagesViewState extends State<ChatMessagesView>
   List<MemoryItem> galleryItems = [];
   Message? quotesMessage;
   GlobalKey verifyShieldKey = GlobalKey();
-  late FocusNode textFieldFocus;
+  FocusNode? textFieldFocus;
   final ItemScrollController itemScrollController = ItemScrollController();
   int? focusedScrollItem;
   bool _receiverDeletedAccount = false;
@@ -72,11 +72,12 @@ class _ChatMessagesViewState extends State<ChatMessagesView>
 
   @override
   void dispose() {
-    userSub.cancel();
-    messageSub.cancel();
+    userSub?.cancel();
+    messageSub?.cancel();
     contactSub?.cancel();
     groupActionsSub?.cancel();
     _nextTypingIndicator?.cancel();
+    textFieldFocus?.dispose();
     WidgetsBinding.instance.removeObserver(this);
     super.dispose();
   }
@@ -351,7 +352,7 @@ class _ChatMessagesViewState extends State<ChatMessagesView>
                             setState(() {
                               quotesMessage = chatMessage;
                             });
-                            textFieldFocus.requestFocus();
+                            textFieldFocus?.requestFocus();
                           },
                         ),
                       );
@@ -394,7 +395,7 @@ class _ChatMessagesViewState extends State<ChatMessagesView>
                 MessageInput(
                   group: group,
                   quotesMessage: quotesMessage,
-                  textFieldFocus: textFieldFocus,
+                  textFieldFocus: textFieldFocus!,
                   onMessageSend: () {
                     setState(() {
                       quotesMessage = null;

lib/src/visual/views/chats/chat_messages_components/typing_indicator.dart

@@ -43,9 +43,8 @@ class TypingIndicator extends StatefulWidget {
 class _TypingIndicatorState extends State<TypingIndicator> {
   List<GroupMember> _groupMembers = [];
 
-  late StreamSubscription<List<(Contact, GroupMember)>> membersSub;
-
-  late Timer _periodicUpdate;
+  StreamSubscription<List<(Contact, GroupMember)>>? membersSub;
+  Timer? _periodicUpdate;
 
   @override
   void initState() {
@@ -73,8 +72,8 @@ class _TypingIndicatorState extends State<TypingIndicator> {
 
   @override
   void dispose() {
-    membersSub.cancel();
-    _periodicUpdate.cancel();
+    membersSub?.cancel();
+    _periodicUpdate?.cancel();
     super.dispose();
   }
 
@@ -138,12 +137,12 @@ class AnimatedTypingDots extends StatefulWidget {
 
 class _AnimatedTypingDotsState extends State<AnimatedTypingDots>
     with SingleTickerProviderStateMixin {
-  late AnimationController _controller;
-
-  late List<Animation<double>> _animations;
+  AnimationController? _controller;
+  List<Animation<double>>? _animations;
 
   @override
   void initState() {
+    super.initState();
     _controller = AnimationController(
       duration: const Duration(milliseconds: 1000),
       vsync: this,
@@ -172,29 +171,30 @@ class _AnimatedTypingDotsState extends State<AnimatedTypingDots>
         ),
       ]).animate(
         CurvedAnimation(
-          parent: _controller,
+          parent: _controller!,
           curve: Interval(start, end),
         ),
       );
     });
-    super.initState();
   }
 
   @override
   void dispose() {
-    _controller.dispose();
+    _controller?.dispose();
     super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
+    if (_animations == null) return const SizedBox.shrink();
+
     return Row(
       mainAxisSize: MainAxisSize.min,
       children: List.generate(
         3,
         (index) => _AnimatedDot(
           isTyping: widget.isTyping,
-          animation: _animations[index],
+          animation: _animations![index],
         ),
       ),
     );