Fix upper case issue for join group code in particular device

app/lib/ui/flow/space/join/join_space_screen.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import 'package:style/button/bottom_sticky_overlay.dart';
@@ -33,17 +32,49 @@ class _JoinSpaceState extends ConsumerState<JoinSpace> {
 
   @override
   void initState() {
-    _controllers = List.generate(6, (index) => TextEditingController());
-    _focusNodes = List.generate(
-        6,
-        (index) => FocusNode(onKeyEvent: (node, event) {
-              if (event.logicalKey == LogicalKeyboardKey.backspace &&
-                  _controllers[index].text.isEmpty) {
-                if (index > 0) _focusNodes[index - 1].requestFocus();
-              }
-              return KeyEventResult.ignored;
-            }));
     super.initState();
+    _controllers = List.generate(6, (index) => TextEditingController(text: '\u200b'));
+    _focusNodes = List.generate(6, (index) => FocusNode());
+
+    for (int i = 0; i < _controllers.length; i++) {
+      _controllers[i].addListener(() {
+        _handleTextChange(i);
+      });
+    }
+  }
+
+  void _handleTextChange(int index) {
+    final text = _controllers[index].text;
+
+    if (text.isEmpty) {
+      _controllers[index].text = '\u200b';
+      _controllers[index].selection = const TextSelection.collapsed(offset: 1);
+
+      if (index > 0) {
+        _focusNodes[index - 1].requestFocus();
+      }
+    } else if (text.length > 1) {
+      String newText = text.replaceAll('\u200b', '').toUpperCase();
+      _controllers[index].text = newText;
+      _controllers[index].selection = TextSelection.collapsed(offset: newText.length);
+
+      // Move focus to the next field
+      if (index < 5) {
+        _focusNodes[index + 1].requestFocus();
+      }
+      _updateJoinSpaceButtonState();
+    }
+  }
+
+  @override
+  void dispose() {
+    for (var controller in _controllers) {
+      controller.dispose();
+    }
+    for (var focusNode in _focusNodes) {
+      focusNode.dispose();
+    }
+    super.dispose();
   }
 
   @override
@@ -130,11 +161,11 @@ class _JoinSpaceState extends ConsumerState<JoinSpace> {
   }
 
   Widget _buildCodeBox(
-    BuildContext context,
-    double width,
-    int index,
-    JoinSpaceViewState state,
-  ) {
+      BuildContext context,
+      double width,
+      int index,
+      JoinSpaceViewState state,
+      ) {
     return Container(
       width: width,
       height: 64,
@@ -148,7 +179,7 @@ class _JoinSpaceState extends ConsumerState<JoinSpace> {
           controller: _controllers[index],
           focusNode: _focusNodes[index],
           textAlign: TextAlign.center,
-          maxLength: 1,
+          maxLength: 2,
           decoration: const InputDecoration(
             border: InputBorder.none,
             counterText: '',
@@ -161,16 +192,13 @@ class _JoinSpaceState extends ConsumerState<JoinSpace> {
             FocusManager.instance.primaryFocus?.unfocus();
           },
           onChanged: (text) {
-            if (text.isEmpty) {
-              if (index > 0) _focusNodes[index - 1].requestFocus();
-            } else {
-              if (index < 5) {
-                _focusNodes[index + 1].requestFocus();
-              } else {
-                FocusManager.instance.primaryFocus?.unfocus();
-              }
+            final upperCaseText = text.toUpperCase();
+            if (_controllers[index].text != upperCaseText) {
+              _controllers[index].value = TextEditingValue(
+                text: upperCaseText,
+                selection: TextSelection.collapsed(offset: upperCaseText.length),
+              );
             }
-            _updateJoinSpaceButtonState();
           },
         ),
       ),
@@ -228,8 +256,10 @@ class _JoinSpaceState extends ConsumerState<JoinSpace> {
 
   void _updateJoinSpaceButtonState() {
     setState(() {
-      enabled =
-          _controllers.every((controller) => controller.text.trim().isNotEmpty);
+      enabled = _controllers.every((controller) {
+        final text = controller.text;
+        return text.length == 1 && text != '\u200b';
+      });
     });
   }
 
@@ -274,7 +304,7 @@ class _JoinSpaceState extends ConsumerState<JoinSpace> {
     final isNetworkOff = await checkInternetConnectivity();
     isNetworkOff
         ? _showSnackBar()
-        : notifier.joinSpace(inviteCode.toUpperCase());
+        : notifier.joinSpace();
   }
 
   void _showSnackBar() {

app/lib/ui/flow/space/join/join_space_view_model.dart

@@ -28,40 +28,39 @@ class JoinSpaceViewNotifier extends StateNotifier<JoinSpaceViewState> {
     this.authService,
   ) : super(const JoinSpaceViewState());
 
-  Future<void> joinSpace(String code) async {
+  Future<void> joinSpace() async {
+    try {
+      spaceService.joinSpace(state.space?.id ?? '');
+      state = state.copyWith(verifying: false, spaceJoined: true, error: null);
+    } catch (error, stack) {
+      state = state.copyWith(error: error, verifying: false);
+      logger.e(
+        'JoinSpaceViewNotifier: Error while join space with invitation code',
+        error: error,
+        stackTrace: stack,
+      );
+    }
+  }
+
+  Future<String?> getInvitation(String code) async {
     try {
       state = state.copyWith(verifying: true, errorInvalidInvitationCode: false, alreadySpaceMember: false);
-      final invitation = await getInvitation(code);
+      final invitation = await spaceInvitationService.getInvitation(code);
       if (invitation == null) {
         state =
             state.copyWith(errorInvalidInvitationCode: true, verifying: false);
         _resetFlagsAfter30Sec();
-        return;
+        return '';
       }
       var spaceId = invitation.space_id;
       final userSpaces = authService.currentUser?.space_ids ?? [];
 
       if (userSpaces.contains(spaceId)) {
         state = state.copyWith(verifying: false, alreadySpaceMember: true, error: null);
         _resetFlagsAfter30Sec();
-        return;
+        return '';
       }
-
-      spaceService.joinSpace(spaceId);
-      state = state.copyWith(verifying: false, spaceJoined: true, error: null);
-    } catch (error, stack) {
-      state = state.copyWith(error: error, verifying: false);
-      logger.e(
-        'JoinSpaceViewNotifier: Error while join space with invitation code',
-        error: error,
-        stackTrace: stack,
-      );
-    }
-  }
-
-  Future<ApiSpaceInvitation?> getInvitation(String code) async {
-    try {
-      return await spaceInvitationService.getInvitation(code);
+      return spaceId;
     } catch (error, stack) {
       logger.e('JoinSpaceViewNotifier: Error while get group invitation',
           error: error, stackTrace: stack);
@@ -71,8 +70,7 @@ class JoinSpaceViewNotifier extends StateNotifier<JoinSpaceViewState> {
 
   void getSpace(String code) async {
     try {
-      final invitation = await getInvitation(code);
-      var spaceId = invitation?.space_id;
+      final spaceId = await getInvitation(code);
       final space = await spaceService.getSpace(spaceId ?? '');
       state = state.copyWith(space: space);
     } catch (error, stack) {

app/pubspec.lock

@@ -269,10 +269,10 @@ packages:
     dependency: transitive
     description:
       name: collection
-      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
+      sha256: a1ace0a119f20aabc852d165077c036cd864315bd99b7eaa10a60100341941bf
       url: "https://pub.dev"
     source: hosted
-    version: "1.18.0"
+    version: "1.19.0"
   color:
     dependency: transitive
     description:
@@ -1169,18 +1169,18 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
+      sha256: "7bb2830ebd849694d1ec25bf1f44582d6ac531a57a365a803a6034ff751d2d06"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.4"
+    version: "10.0.7"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
+      sha256: "9491a714cca3667b60b5c420da8217e6de0d1ba7a5ec322fab01758f6998f379"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.3"
+    version: "3.0.8"
   leak_tracker_testing:
     dependency: transitive
     description:
@@ -1577,7 +1577,7 @@ packages:
     dependency: transitive
     description: flutter
     source: sdk
-    version: "0.0.99"
+    version: "0.0.0"
   smooth_page_indicator:
     dependency: "direct main"
     description:
@@ -1638,10 +1638,10 @@ packages:
     dependency: transitive
     description:
       name: stack_trace
-      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
+      sha256: "9f47fd3630d76be3ab26f0ee06d213679aa425996925ff3feffdec504931c377"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.1"
+    version: "1.12.0"
   state_notifier:
     dependency: transitive
     description:
@@ -1670,10 +1670,10 @@ packages:
     dependency: transitive
     description:
       name: string_scanner
-      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      sha256: "688af5ed3402a4bde5b3a6c15fd768dbf2621a614950b17f04626c431ab3c4c3"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   style:
     dependency: "direct main"
     description:
@@ -1701,10 +1701,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
+      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.0"
+    version: "0.7.3"
   time:
     dependency: transitive
     description:
@@ -1861,10 +1861,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
+      sha256: f6be3ed8bd01289b34d679c2b62226f63c0e69f9fd2e50a6b3c1c729a961041b
       url: "https://pub.dev"
     source: hosted
-    version: "14.2.1"
+    version: "14.3.0"
   watcher:
     dependency: transitive
     description: