// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; /// Flutter code sample for [Switch]. void main() => runApp(const SwitchApp()); class SwitchApp extends StatelessWidget { const SwitchApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( theme: ThemeData.light(useMaterial3: true).copyWith( // Use the ambient CupertinoThemeData to style all widgets which would // otherwise use iOS defaults. cupertinoOverrideTheme: const CupertinoThemeData(applyThemeToAll: true), ), home: Scaffold( appBar: AppBar(title: const Text('Switch Sample')), body: const Center( child: SwitchExample(), ), ), ); } } class SwitchExample extends StatefulWidget { const SwitchExample({super.key}); @override State createState() => _SwitchExampleState(); } class _SwitchExampleState extends State { bool light = true; @override Widget build(BuildContext context) { return Column( mainAxisAlignment: MainAxisAlignment.center, children: [ Switch.adaptive( value: light, onChanged: (bool value) { setState(() { light = value; }); }, ), Switch.adaptive( // Don't use the ambient CupertinoThemeData to style this switch. applyCupertinoTheme: false, value: light, onChanged: (bool value) { setState(() { light = value; }); }, ), ], ); } }