视觉分析(模拟)app

2026-01-07 16:14:34 +08:00
commit 40991e6c86
136 changed files with 6568 additions and 0 deletions
--- a/lib/screens/welcome_screen.dart
+++ b/lib/screens/welcome_screen.dart
@@ -0,0 +1,97 @@
+import 'package:flutter/material.dart';
+import 'camera_screen.dart';
+
+class WelcomeScreen extends StatelessWidget {
+  const WelcomeScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Container(
+        decoration: BoxDecoration(
+          gradient: LinearGradient(
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: [
+              Colors.blue.shade400,
+              Colors.blue.shade700,
+            ],
+          ),
+        ),
+        child: SafeArea(
+          child: Center(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                // 图标
+                Icon(
+                  Icons.camera_alt,
+                  size: 100,
+                  color: Colors.white,
+                ),
+                const SizedBox(height: 30),
+                
+                // 标题
+                const Text(
+                  'sight-identification',
+                  style: TextStyle(
+                    fontSize: 32,
+                    fontWeight: FontWeight.bold,
+                    color: Colors.white,
+                  ),
+                ),
+                const SizedBox(height: 20),
+                
+                // 说明文字
+                Padding(
+                  padding: const EdgeInsets.symmetric(horizontal: 40),
+                  child: Text(
+                    '点击按钮开始自动拍照\n每2秒拍摄一次',
+                    textAlign: TextAlign.center,
+                    style: TextStyle(
+                      fontSize: 16,
+                      color: Colors.white.withOpacity(0.9),
+                      height: 1.5,
+                    ),
+                  ),
+                ),
+                const SizedBox(height: 60),
+                
+                // 开始按钮
+                ElevatedButton(
+                  onPressed: () {
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                        builder: (context) => const CameraScreen(),
+                      ),
+                    );
+                  },
+                  style: ElevatedButton.styleFrom(
+                    backgroundColor: Colors.white,
+                    foregroundColor: Colors.blue.shade700,
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 50,
+                      vertical: 18,
+                    ),
+                    shape: RoundedRectangleBorder(
+                      borderRadius: BorderRadius.circular(30),
+                    ),
+                    elevation: 5,
+                  ),
+                  child: const Text(
+                    '开始拍照',
+                    style: TextStyle(
+                      fontSize: 20,
+                      fontWeight: FontWeight.bold,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}