optimize auto login

lib/router/router.dart

@@ -31,27 +31,9 @@ final GoRouter router = GoRouter(
     GoRoute(
       path: '/welcome',
       name: 'Welcome',
-      builder: (BuildContext context, GoRouterState state) =>
-          const WelcomeScreen(),
-      redirect: (context, state) async {
-        await getIt.get<Token>().init();
-        if (getIt.get<Token>().token.isNotEmpty) {
-          print(1111111);
-          try {
-            Map<String, dynamic> res = await signinByToken();
-            if (res['code'] == 10200) {
-              await getIt.get<Token>().updateToken(res['token']);
-              getIt.get<UserAccount>().init(res['data']);
-              await HiveDatabase.init();
-              return '/chat';
-            } else {
-              return null;
-            }
-          } catch (e) {
-            return null;
-          }
-        }
-        return null;
+      builder: (BuildContext context, GoRouterState state) {
+        String? isLogout = state.uri.queryParameters['isLogout'];
+        return WelcomeScreen(isLogout: isLogout);
       },
     ),
     GoRoute(
@@ -63,10 +45,12 @@ final GoRouter router = GoRouter(
           child: const SignupScreen(),
           transitionDuration: const Duration(milliseconds: 200),
           reverseTransitionDuration: const Duration(milliseconds: 200),
-          transitionsBuilder: (BuildContext context,
+          transitionsBuilder: (
+            BuildContext context,
             Animation<double> animation,
             Animation<double> secondaryAnimation,
-              Widget child) {
+            Widget child,
+          ) {
             const begin = Offset(1.0, 0.0);
             const end = Offset.zero;
             final tween = Tween(begin: begin, end: end);

lib/screens/chat/chat_screen.dart

@@ -69,7 +69,7 @@ class _ChatScreenState extends State<ChatScreen> with GetItStateMixin {
       await _getUnreceivedMsg(userId);
     }
 
-    return Future(() => true);
+    return true;
   }
 
   Future<void> _getUnreceivedMsg(String userId) async {

lib/screens/more/setting_screen/setting_screen.dart

@@ -36,7 +36,7 @@ class SettingScreen extends StatelessWidget {
               onPressed: () async {
                 await getIt.get<Token>().clear();
                 // ignore: use_build_context_synchronously
-                context.go('/welcome');
+                context.goNamed('Welcome', queryParameters: {'isLogout': '1'});
                 // ignore: use_build_context_synchronously
                 Timer(
                   const Duration(milliseconds: 200),

lib/screens/welcome/welcome_screen.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 
 import 'package:go_router/go_router.dart';
@@ -12,7 +14,12 @@ import '../../models/user_model.dart';
 import '../../request/signup_signin.dart';
 
 class WelcomeScreen extends StatefulWidget {
-  const WelcomeScreen({super.key});
+  const WelcomeScreen({
+    super.key,
+    this.isLogout,
+  });
+
+  final String? isLogout;
 
   @override
   State<WelcomeScreen> createState() => _WelcomeScreenState();
@@ -20,8 +27,12 @@ class WelcomeScreen extends StatefulWidget {
 
 class _WelcomeScreenState extends State<WelcomeScreen> {
   Future<int> _tryLoginUseToken() async {
+    if (widget.isLogout != null) {
+      return 200;
+    }
     await getIt.get<Token>().init();
     if (getIt.get<Token>().token.isNotEmpty) {
+      EasyLoading.showInfo('自动登录中...');
       try {
         Map<String, dynamic> res = await signinByToken();
         if (res['code'] == 10200) {
@@ -42,54 +53,55 @@ class _WelcomeScreenState extends State<WelcomeScreen> {
   }
 
   @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      body: SafeArea(
-        child: FutureBuilder<int>(
-            future: _tryLoginUseToken(),
-            builder: (BuildContext context, AsyncSnapshot<int> snapshot) {
-              if (snapshot.hasData) {
-                int? data = snapshot.data;
-                if (data == 10200) {
+  void initState() {
+    super.initState();
+    _tryLoginUseToken().then((value) {
+      if (value == 10200) {
         EasyLoading.showSuccess(
           '登录成功!',
-                    duration: const Duration(milliseconds: 500),
+          duration: const Duration(seconds: 3),
+          dismissOnTap: true,
         );
         context.pushNamed('Chat');
-                } else if (data == 9999) {
+      } else if (value == 9999) {
         EasyLoading.showInfo(
           '登录状态已过期，请重新登录!',
-                    duration: const Duration(milliseconds: 500),
+          duration: const Duration(seconds: 3),
+          dismissOnTap: true,
         );
-                } else if (data == 500) {
+      } else if (value == 500) {
         EasyLoading.showError(
           '连接服务器失败，请稍后再试!',
-                    duration: const Duration(milliseconds: 500),
+          duration: const Duration(seconds: 3),
+          dismissOnTap: true,
         );
       } else {
         EasyLoading.dismiss();
       }
-              } else {
-                EasyLoading.show(status: '自动登录中...');
+    });
   }
-              return Column(
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: SafeArea(
+        child: Column(
           children: [
             const SizedBox(
               height: kDefaultPadding,
             ),
             Image.asset('assets/images/welcome_image.png'),
             CommonElevatedButton(
-                    onPressed: () => context.push('/signin'),
+              onPressed: () => context.pushNamed('SignIn'),
               text: '登录',
             ),
             CommonElevatedButton(
-                    onPressed: () => context.push('/signup'),
+              onPressed: () => context.pushNamed('SignUp'),
               text: '注册',
               color: kSecondaryColor,
             ),
           ],
-              );
-            }),
+        ),
       ),
     );
   }