| // 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/gestures.dart'; |
| |
| import 'package:flutter/material.dart'; |
| |
| /// Flutter code sample for custom labeled checkbox. |
| |
| void main() => runApp(const LabeledCheckboxApp()); |
| |
| class LabeledCheckboxApp extends StatelessWidget { |
| const LabeledCheckboxApp({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return MaterialApp( |
| theme: ThemeData(useMaterial3: true), |
| home: const LabeledCheckboxExample(), |
| ); |
| } |
| } |
| |
| class LinkedLabelCheckbox extends StatelessWidget { |
| const LinkedLabelCheckbox({ |
| super.key, |
| required this.label, |
| required this.padding, |
| required this.value, |
| required this.onChanged, |
| }); |
| |
| final String label; |
| final EdgeInsets padding; |
| final bool value; |
| final ValueChanged<bool> onChanged; |
| |
| @override |
| Widget build(BuildContext context) { |
| return Padding( |
| padding: padding, |
| child: Row( |
| children: <Widget>[ |
| Expanded( |
| child: RichText( |
| text: TextSpan( |
| text: label, |
| style: const TextStyle( |
| color: Colors.blueAccent, |
| decoration: TextDecoration.underline, |
| ), |
| recognizer: TapGestureRecognizer() |
| ..onTap = () { |
| debugPrint('Label has been tapped.'); |
| }, |
| ), |
| ), |
| ), |
| Checkbox( |
| value: value, |
| onChanged: (bool? newValue) { |
| onChanged(newValue!); |
| }, |
| ), |
| ], |
| ), |
| ); |
| } |
| } |
| |
| class LabeledCheckboxExample extends StatefulWidget { |
| const LabeledCheckboxExample({super.key}); |
| |
| @override |
| State<LabeledCheckboxExample> createState() => _LabeledCheckboxExampleState(); |
| } |
| |
| class _LabeledCheckboxExampleState extends State<LabeledCheckboxExample> { |
| bool _isSelected = false; |
| |
| @override |
| Widget build(BuildContext context) { |
| return Scaffold( |
| appBar: AppBar(title: const Text('Custom Labeled Checkbox Sample')), |
| body: Center( |
| child: LinkedLabelCheckbox( |
| label: 'Linked, tappable label text', |
| padding: const EdgeInsets.symmetric(horizontal: 20.0), |
| value: _isSelected, |
| onChanged: (bool newValue) { |
| setState(() { |
| _isSelected = newValue; |
| }); |
| }, |
| ), |
| ), |
| ); |
| } |
| } |