2026-01-07 16:14:34 +08:00
|
|
|
|
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(
|
2026-01-07 16:42:22 +08:00
|
|
|
|
'自动拍照应用',
|
2026-01-07 16:14:34 +08:00
|
|
|
|
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(
|
2026-01-07 16:42:22 +08:00
|
|
|
|
'点击按钮开始自动拍照\n每2秒拍摄一次，共拍摄5张照片',
|
2026-01-07 16:14:34 +08:00
|
|
|
|
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,
|
|
|
|
|
|
),
|
|
|
|
|
|
),
|
|
|
|
|
|
),
|
|
|
|
|
|
],
|
|
|
|
|
|
),
|
|
|
|
|
|
),
|
|
|
|
|
|
),
|
|
|
|
|
|
),
|
|
|
|
|
|
);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
