修复flutter analyze提示，更新版本至v1.0.0-Beta4.8

backend/cmd/server/main.go

@@ -13,7 +13,7 @@ import (
 
 func main() {
 	monitor.Init(2000)
-	monitor.Infof("Starting Hightube Server v1.0.0-Beta4.7")
+	monitor.Infof("Starting Hightube Server v1.0.0-Beta4.8")
 
 	// Initialize Database and run auto-migrations
 	db.InitDB()

frontend/lib/pages/login_page.dart

@@ -12,7 +12,7 @@ class LoginPage extends StatefulWidget {
   const LoginPage({super.key});
 
   @override
-  _LoginPageState createState() => _LoginPageState();
+  State<LoginPage> createState() => _LoginPageState();
 }
 
 class _LoginPageState extends State<LoginPage> {
@@ -64,9 +64,9 @@ class _LoginPageState extends State<LoginPage> {
       if (!mounted) {
         return;
       }
-      ScaffoldMessenger.of(context).showSnackBar(
+      ScaffoldMessenger.of(
-        SnackBar(content: Text(l10n.networkError)),
+        context,
-      );
+      ).showSnackBar(SnackBar(content: Text(l10n.networkError)));
     } finally {
       if (mounted) setState(() => _isLoading = false);
     }
@@ -177,7 +177,7 @@ class _LoginPageState extends State<LoginPage> {
                 TextButton(
                   onPressed: () => Navigator.push(
                     context,
-                    MaterialPageRoute(builder: (_) => RegisterPage()),
+                    MaterialPageRoute(builder: (_) => const RegisterPage()),
                   ),
                   child: Text(l10n.dontHaveAccount),
                 ),

frontend/lib/pages/register_page.dart

@@ -6,8 +6,10 @@ import '../providers/settings_provider.dart';
 import '../services/api_service.dart';
 
 class RegisterPage extends StatefulWidget {
+  const RegisterPage({super.key});
+
   @override
-  _RegisterPageState createState() => _RegisterPageState();
+  State<RegisterPage> createState() => _RegisterPageState();
 }
 
 class _RegisterPageState extends State<RegisterPage> {
@@ -18,7 +20,9 @@ class _RegisterPageState extends State<RegisterPage> {
   void _handleRegister() async {
     final l10n = AppLocalizations.of(context)!;
     if (_usernameController.text.isEmpty || _passwordController.text.isEmpty) {
-      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(l10n.fillAllFields)));
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text(l10n.fillAllFields)));
       return;
     }
 
@@ -27,16 +31,32 @@ class _RegisterPageState extends State<RegisterPage> {
     final api = ApiService(settings, null);
 
     try {
-      final response = await api.register(_usernameController.text, _passwordController.text);
+      final response = await api.register(
+        _usernameController.text,
+        _passwordController.text,
+      );
+      if (!mounted) {
+        return;
+      }
       if (response.statusCode == 201) {
-        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(l10n.accountCreated)));
+        ScaffoldMessenger.of(
+          context,
+        ).showSnackBar(SnackBar(content: Text(l10n.accountCreated)));
         Navigator.pop(context);
       } else {
-        final error = jsonDecode(response.body)['error'] ?? "Registration Failed";
+        final error =
-        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(error)));
+            jsonDecode(response.body)['error'] ?? "Registration Failed";
+        ScaffoldMessenger.of(
+          context,
+        ).showSnackBar(SnackBar(content: Text(error)));
       }
     } catch (e) {
-      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(l10n.networkError)));
+      if (!mounted) {
+        return;
+      }
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(SnackBar(content: Text(l10n.networkError)));
     } finally {
       if (mounted) setState(() => _isLoading = false);
     }
@@ -55,11 +75,17 @@ class _RegisterPageState extends State<RegisterPage> {
             child: Column(
               mainAxisAlignment: MainAxisAlignment.center,
               children: [
-                Icon(Icons.person_add_outlined, size: 64, color: Theme.of(context).colorScheme.primary),
+                Icon(
+                  Icons.person_add_outlined,
+                  size: 64,
+                  color: Theme.of(context).colorScheme.primary,
+                ),
                 const SizedBox(height: 24),
                 Text(
                   l10n.joinHightube,
-                  style: Theme.of(context).textTheme.headlineMedium?.copyWith(fontWeight: FontWeight.bold),
+                  style: Theme.of(context).textTheme.headlineMedium?.copyWith(
+                    fontWeight: FontWeight.bold,
+                  ),
                 ),
                 const SizedBox(height: 48),
                 TextField(
@@ -67,7 +93,9 @@ class _RegisterPageState extends State<RegisterPage> {
                   decoration: InputDecoration(
                     labelText: l10n.desiredUsername,
                     prefixIcon: const Icon(Icons.person),
-                    border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                    ),
                   ),
                 ),
                 const SizedBox(height: 16),
@@ -77,7 +105,9 @@ class _RegisterPageState extends State<RegisterPage> {
                   decoration: InputDecoration(
                     labelText: l10n.password,
                     prefixIcon: const Icon(Icons.lock),
-                    border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(12),
+                    ),
                   ),
                 ),
                 const SizedBox(height: 32),
@@ -87,9 +117,16 @@ class _RegisterPageState extends State<RegisterPage> {
                   child: ElevatedButton(
                     onPressed: _isLoading ? null : _handleRegister,
                     style: ElevatedButton.styleFrom(
-                      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(12),
+                      ),
                     ),
-                    child: _isLoading ? const CircularProgressIndicator() : Text(l10n.register, style: const TextStyle(fontWeight: FontWeight.bold)),
+                    child: _isLoading
+                        ? const CircularProgressIndicator()
+                        : Text(
+                            l10n.register,
+                            style: const TextStyle(fontWeight: FontWeight.bold),
+                          ),
                   ),
                 ),
                 const SizedBox(height: 16),

frontend/lib/pages/settings_page.dart

@@ -393,7 +393,7 @@ class _SettingsPageState extends State<SettingsPage> {
                     style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
                   ),
                   Text(
-                    "Version: 1.0.0-beta4.1",
+                    "Version: 1.0.0-beta4.8",
                     style: TextStyle(color: Colors.grey),
                   ),
                   Text(

frontend/lib/services/chat_service.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:convert';
+import 'package:flutter/foundation.dart';
 import 'package:web_socket_channel/web_socket_channel.dart';
 
 class ChatMessage {
@@ -38,27 +39,46 @@ class ChatMessage {
 
 class ChatService {
   WebSocketChannel? _channel;
-  final StreamController<ChatMessage> _messageController = StreamController<ChatMessage>.broadcast();
+  final StreamController<ChatMessage> _messageController =
+      StreamController<ChatMessage>.broadcast();
 
   Stream<ChatMessage> get messages => _messageController.stream;
 
   void connect(String baseUrl, String roomId, String username) {
-    final wsUri = Uri.parse(baseUrl).replace(scheme: 'ws', path: '/api/ws/room/$roomId', queryParameters: {'username': username});
+    final wsUri = Uri.parse(baseUrl).replace(
+      scheme: 'ws',
+      path: '/api/ws/room/$roomId',
+      queryParameters: {'username': username},
+    );
     _channel = WebSocketChannel.connect(wsUri);
 
-    _channel!.stream.listen((data) {
+    _channel!.stream.listen(
-      final json = jsonDecode(data);
+      (data) {
-      _messageController.add(ChatMessage.fromJson(json));
+        final json = jsonDecode(data);
-    }, onError: (err) {
+        _messageController.add(ChatMessage.fromJson(json));
-      print("[WS ERROR] $err");
+      },
-    }, onDone: () {
+      onError: (err) {
-      print("[WS DONE] Connection closed");
+        debugPrint("[WS ERROR] $err");
-    });
+      },
+      onDone: () {
+        debugPrint("[WS DONE] Connection closed");
+      },
+    );
   }
 
-  void sendMessage(String content, String username, String roomId, {String type = 'chat'}) {
+  void sendMessage(
+    String content,
+    String username,
+    String roomId, {
+    String type = 'chat',
+  }) {
     if (_channel != null) {
-      final msg = ChatMessage(type: type, username: username, content: content, roomId: roomId);
+      final msg = ChatMessage(
+        type: type,
+        username: username,
+        content: content,
+        roomId: roomId,
+      );
       _channel!.sink.add(jsonEncode(msg.toJson()));
     }
   }

frontend/pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.0.0-beta4.7
+version: 1.0.0-beta4.8
 
 environment:
   sdk: ^3.11.1