| // 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 [CupertinoRadio.toggleable]. |
| |
| void main() => runApp(const CupertinoRadioApp()); |
| |
| class CupertinoRadioApp extends StatelessWidget { |
| const CupertinoRadioApp({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return const CupertinoApp( |
| home: CupertinoPageScaffold( |
| navigationBar: CupertinoNavigationBar( |
| middle: Text('CupertinoRadio Toggleable Example'), |
| ), |
| child: SafeArea( |
| child: CupertinoRadioExample(), |
| ), |
| ), |
| ); |
| } |
| } |
| |
| enum SingingCharacter { mulligan, hamilton } |
| |
| class CupertinoRadioExample extends StatefulWidget { |
| const CupertinoRadioExample({super.key}); |
| |
| @override |
| State<CupertinoRadioExample> createState() => _CupertinoRadioExampleState(); |
| } |
| |
| class _CupertinoRadioExampleState extends State<CupertinoRadioExample> { |
| SingingCharacter? _character = SingingCharacter.mulligan; |
| |
| @override |
| Widget build(BuildContext context) { |
| return CupertinoListSection( |
| children: <Widget>[ |
| CupertinoListTile( |
| title: const Text('Hercules Mulligan'), |
| leading: CupertinoRadio<SingingCharacter>( |
| value: SingingCharacter.mulligan, |
| groupValue: _character, |
| // TRY THIS: Try setting the toggleable value to false and |
| // see how that changes the behavior of the widget. |
| toggleable: true, |
| onChanged: (SingingCharacter? value) { |
| setState(() { |
| _character = value; |
| }); |
| }, |
| ), |
| ), |
| CupertinoListTile( |
| title: const Text('Eliza Hamilton'), |
| leading: CupertinoRadio<SingingCharacter>( |
| value: SingingCharacter.hamilton, |
| groupValue: _character, |
| toggleable: true, |
| onChanged: (SingingCharacter? value) { |
| setState(() { |
| _character = value; |
| }); |
| }, |
| ), |
| ), |
| ], |
| ); |
| } |
| } |