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