Flutter之Holle World

// 引入基础样式库，设计扁平化，谷歌推出的
import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Welcome to Flutter',
      home: Scaffold(
        appBar: AppBar(
          title: Text('Hello World'),
       ),
      body: Center(
        child: Text('Hello World'),
      ),
     ),
   );
  }
}