// 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. // Flutter code sample for Switch import 'package:flutter/material.dart'; void main() => runApp(const SwitchApp()); class SwitchApp extends StatelessWidget { const SwitchApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: const Text('Switch Sample')), body: const Center( child: SwitchExample(), ), ), ); } } class SwitchExample extends StatefulWidget { const SwitchExample({super.key}); @override State<SwitchExample> createState() => _SwitchExampleState(); } class _SwitchExampleState extends State<SwitchExample> { bool light = true; @override Widget build(BuildContext context) { return Switch( // This bool value toggles the switch. value: light, activeColor: Colors.red, onChanged: (bool value) { // This is called when the user toggles the switch. setState(() { light = value; }); }, ); } }