import 'package:flutter/material.dart'; //单选和多选 void main() => runApp(MaterialApp( home: _home(), )); class _home extends StatefulWidget { @override State<StatefulWidget> createState() { // TODO: implement createState return new _homeState(); } } class _homeState extends State<_home> { bool _switchSelected = true; //单选状态 bool _checkBoxSelected = true; //复选状态 @override Widget build(BuildContext context) { // TODO: implement build return new Scaffold( appBar: new AppBar( title: Text('title'), centerTitle: true, ), body: new Column( children: <Widget>[ Switch( value: _switchSelected, activeColor: Colors.red, onChanged: (value) { setState(() { _switchSelected = value; }); }, ), Checkbox( value: _checkBoxSelected, activeColor: Colors.green, onChanged: (value) { setState(() { _checkBoxSelected = value; }); }, ) ], ), ); } }
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