flutter switch开关按钮

参考

import 'package:flutter/material.dart';class SwitchPage extends StatefulWidget {SwitchPage({Key key}) : super(key: key);@override_SwitchPageState createState() => _SwitchPageState();}class _SwitchPageState extends State<SwitchPage> {bool flag = true;@overrideWidget build(BuildContext context) {return Scaffold(appBar: AppBar(title: Text("Switch"),),body:Padding(padding: EdgeInsets.all(20),child:Column(children: <Widget>[Row(children: <Widget>[SizedBox(height:40),// 按钮开关Switch(value: this.flag, onChanged: (value){setState(() {this.flag = value;});})])],)));}}