1.flutter安装
1.参考官网安装sdk
https://flutter.io/get-started/install
安卓和IOS需要分别配置对应的开发环境，安卓建议使用as开发，安装Flutter插件
2.运行 $ flutter doctor 查看是否安装成功
2.基础实例
运行第一个实例程序，具体创建运行步骤参考官网
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('Welcome to Flutter'),
),
body: Center(
child: Text('Hello World'),
),
),
);
}
}