// 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]. void main() => runApp(const CupertinoRadioApp()); class CupertinoRadioApp extends StatelessWidget { const CupertinoRadioApp({super.key}); @override Widget build(BuildContext context) { return const CupertinoApp( theme: CupertinoThemeData(brightness: Brightness.light), home: CupertinoPageScaffold( navigationBar: CupertinoNavigationBar(middle: Text('CupertinoRadio Example')), child: SafeArea(child: CupertinoRadioExample()), ), ); } } enum SingingCharacter { lafayette, jefferson } class CupertinoRadioExample extends StatefulWidget { const CupertinoRadioExample({super.key}); @override State createState() => _CupertinoRadioExampleState(); } class _CupertinoRadioExampleState extends State { SingingCharacter? _character = SingingCharacter.lafayette; @override Widget build(BuildContext context) { return RadioGroup( groupValue: _character, onChanged: (SingingCharacter? value) { setState(() { _character = value; }); }, child: CupertinoListSection( children: const [ CupertinoListTile( title: Text('Lafayette'), leading: CupertinoRadio(value: SingingCharacter.lafayette), ), CupertinoListTile( title: Text('Thomas Jefferson'), leading: CupertinoRadio(value: SingingCharacter.jefferson), ), ], ), ); } }