Flutter 卡片练习

// 卡片练习布局 import 'package:flutter/material.dart'; void main() => runApp(new MyApp()); class MyApp extends StatefulWidget { @override _MyAppState createState() => _MyAppState(); } // 两张卡片组件 练习布局 class _MyAppState extends State { @override Widget build(BuildContext context) { return Materi