| // 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/material.dart'; | |
| /// Flutter code sample for [Slider]. | |
| /// set to false. | |
| void main() => runApp(const SliderExampleApp()); | |
| class SliderExampleApp extends StatelessWidget { | |
| const SliderExampleApp({super.key}); | |
| @override | |
| Widget build(BuildContext context) { | |
| return const MaterialApp(home: SliderExample()); | |
| } | |
| } | |
| class SliderExample extends StatefulWidget { | |
| const SliderExample({super.key}); | |
| @override | |
| State<SliderExample> createState() => _SliderExampleState(); | |
| } | |
| class _SliderExampleState extends State<SliderExample> { | |
| double _currentSliderValue = 20; | |
| double _currentDiscreteSliderValue = 60; | |
| bool year2023 = true; | |
| @override | |
| Widget build(BuildContext context) { | |
| return Scaffold( | |
| appBar: AppBar(title: const Text('Slider')), | |
| body: Center( | |
| child: Column( | |
| mainAxisAlignment: .center, | |
| spacing: 16, | |
| children: <Widget>[ | |
| Slider( | |
| // ignore: deprecated_member_use | |
| year2023: year2023, | |
| value: _currentSliderValue, | |
| max: 100, | |
| onChanged: (double value) { | |
| setState(() { | |
| _currentSliderValue = value; | |
| }); | |
| }, | |
| ), | |
| Slider( | |
| // ignore: deprecated_member_use | |
| year2023: year2023, | |
| value: _currentDiscreteSliderValue, | |
| max: 100, | |
| divisions: 5, | |
| label: _currentDiscreteSliderValue.round().toString(), | |
| onChanged: (double value) { | |
| setState(() { | |
| _currentDiscreteSliderValue = value; | |
| }); | |
| }, | |
| ), | |
| SwitchListTile( | |
| value: year2023, | |
| title: year2023 | |
| ? const Text('Switch to latest M3 style') | |
| : const Text('Switch to year2023 M3 style'), | |
| onChanged: (bool value) { | |
| setState(() { | |
| year2023 = !year2023; | |
| }); | |
| }, | |
| ), | |
| ], | |
| ), | |
| ), | |
| ); | |
| } | |
| } |