// 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'; /// Flutter code sample for [CupertinoSwitch]. void main() => runApp(const CupertinoSwitchApp()); class CupertinoSwitchApp extends StatelessWidget { const CupertinoSwitchApp({super.key}); @override Widget build(BuildContext context) { return const CupertinoApp( theme: CupertinoThemeData(brightness: Brightness.light), home: CupertinoSwitchExample(), ); } } class CupertinoSwitchExample extends StatefulWidget { const CupertinoSwitchExample({super.key}); @override State<CupertinoSwitchExample> createState() => _CupertinoSwitchExampleState(); } class _CupertinoSwitchExampleState extends State<CupertinoSwitchExample> { bool switchValue = true; @override Widget build(BuildContext context) { return CupertinoPageScaffold( navigationBar: const CupertinoNavigationBar( middle: Text('CupertinoSwitch Sample'), ), child: Center( child: CupertinoSwitch( // This bool value toggles the switch. value: switchValue, activeColor: CupertinoColors.activeBlue, onChanged: (bool? value) { // This is called when the user toggles the switch. setState(() { switchValue = value ?? false; }); }, ), ), ); } }