init

2025-11-17 14:09:17 +08:00
commit 31e46c5bf6
479 changed files with 109324 additions and 0 deletions
--- a/client/lib/features/auth/screens/splash_screen.dart
+++ b/client/lib/features/auth/screens/splash_screen.dart
@@ -0,0 +1,149 @@
+import 'package:flutter/material.dart';
+import '../../../core/theme/app_colors.dart';
+import '../../../core/theme/app_text_styles.dart';
+import '../../../core/theme/app_dimensions.dart';
+
+/// 启动页面
+class SplashScreen extends StatefulWidget {
+  const SplashScreen({super.key});
+
+  @override
+  State<SplashScreen> createState() => _SplashScreenState();
+}
+
+class _SplashScreenState extends State<SplashScreen>
+    with SingleTickerProviderStateMixin {
+  late AnimationController _animationController;
+  late Animation<double> _fadeAnimation;
+  late Animation<double> _scaleAnimation;
+
+  @override
+  void initState() {
+    super.initState();
+    _initAnimations();
+    _navigateToNext();
+  }
+
+  void _initAnimations() {
+    _animationController = AnimationController(
+      duration: const Duration(milliseconds: 2000),
+      vsync: this,
+    );
+
+    _fadeAnimation = Tween<double>(
+      begin: 0.0,
+      end: 1.0,
+    ).animate(CurvedAnimation(
+      parent: _animationController,
+      curve: const Interval(0.0, 0.6, curve: Curves.easeIn),
+    ));
+
+    _scaleAnimation = Tween<double>(
+      begin: 0.8,
+      end: 1.0,
+    ).animate(CurvedAnimation(
+      parent: _animationController,
+      curve: const Interval(0.2, 0.8, curve: Curves.elasticOut),
+    ));
+
+    _animationController.forward();
+  }
+
+  Future<void> _navigateToNext() async {
+    await Future.delayed(const Duration(seconds: 3));
+    
+    if (mounted) {
+      // TODO: 检查用户登录状态，决定跳转到登录页还是主页
+      Navigator.of(context).pushReplacementNamed('/login');
+    }
+  }
+
+  @override
+  void dispose() {
+    _animationController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: AppColors.primary,
+      body: Center(
+        child: AnimatedBuilder(
+          animation: _animationController,
+          builder: (context, child) {
+            return FadeTransition(
+              opacity: _fadeAnimation,
+              child: ScaleTransition(
+                scale: _scaleAnimation,
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    // 应用图标
+                    Container(
+                      width: AppDimensions.iconXxl * 2,
+                      height: AppDimensions.iconXxl * 2,
+                      decoration: BoxDecoration(
+                        color: AppColors.onPrimary,
+                        borderRadius: BorderRadius.circular(
+                          AppDimensions.radiusXl,
+                        ),
+                        boxShadow: [
+                          BoxShadow(
+                            color: AppColors.shadow.withOpacity(0.3),
+                            blurRadius: 20,
+                            offset: const Offset(0, 10),
+                          ),
+                        ],
+                      ),
+                      child: Icon(
+                        Icons.school,
+                        size: AppDimensions.iconXxl,
+                        color: AppColors.primary,
+                      ),
+                    ),
+                    
+                    SizedBox(height: AppDimensions.spacingXl),
+                    
+                    // 应用名称
+                    Text(
+                      'AI English Learning',
+                      style: AppTextStyles.headlineLarge.copyWith(
+                        color: AppColors.onPrimary,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                    
+                    SizedBox(height: AppDimensions.spacingMd),
+                    
+                    // 副标题
+                    Text(
+                      '智能英语学习助手',
+                      style: AppTextStyles.bodyLarge.copyWith(
+                        color: AppColors.onPrimary.withOpacity(0.8),
+                      ),
+                    ),
+                    
+                    SizedBox(height: AppDimensions.spacingXxl),
+                    
+                    // 加载指示器
+                    SizedBox(
+                      width: 40,
+                      height: 40,
+                      child: CircularProgressIndicator(
+                        valueColor: AlwaysStoppedAnimation<Color>(
+                          AppColors.onPrimary,
+                        ),
+                        strokeWidth: 3,
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            );
+          },
+        ),
+      ),
+    );
+  }
+}