hello world

Flutter Widget Snippets
Awesome Flutter Snippets

import ‘package:flutter/material.dart‘;
void main() => runApp(MyApp());
//快捷键statelessw||statefulw
class MyApp extends StatelessWidget {
  const MyApp({Key key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title:‘Welcome‘,//在任务管理窗口中所显示的应用名字
      theme:new ThemeData(
        primaryColor:Color.red,//设置当前app的主题颜色
      )
      //home应用默认所显示的界面 Widget
      home: Scaffold(
　　　　　//头部导航条
        appBar: AppBar(
          title: Text(‘Welcome Flutter‘),
        ),
　　　　　//主体
        body: Center(
          child: Text(‘Hello world‘),
        ),
      ),
      
    );
  }
}