import 'package:flutter/material.dart';

class AboutPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Center(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          FlutterLogo(size: 100),
          SizedBox(height: 24),
          Text(
            '我的Flutter应用',
            style: TextStyle(
              fontSize: 28,
              fontWeight: FontWeight.bold,
              color: Colors.blue,
            ),
          ),
          SizedBox(height: 8),
          Text(
            '版本 2.1.0',
            style: TextStyle(fontSize: 16, color: Colors.grey),
          ),
          SizedBox(height: 32),
          Container(
            width: 200,
            child: Column(
              children: [
                _buildAboutItem('编译版本', '2.1.0 (20240115)'),
                _buildAboutItem('更新时间', '2024年1月15日'),
                _buildAboutItem('开发者', 'Flutter开发团队'),
              ],
            ),
          ),
          SizedBox(height: 40),
          ElevatedButton.icon(
            onPressed: () {},
            icon: Icon(Icons.star),
            label: Text('给我们评分'),
            style: ElevatedButton.styleFrom(
              padding: EdgeInsets.symmetric(horizontal: 24, vertical: 12),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildAboutItem(String label, String value) {
    return Padding(
      padding: EdgeInsets.symmetric(vertical: 8),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Text(label, style: TextStyle(color: Colors.grey)),
          Text(value, style: TextStyle(fontWeight: FontWeight.bold)),
        ],
      ),
    );
  }
}