| // 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: MainAxisAlignment.center, |
| spacing: 16, |
| children: <Widget>[ |
| Slider( |
| year2023: year2023, |
| value: _currentSliderValue, |
| max: 100, |
| onChanged: (double value) { |
| setState(() { |
| _currentSliderValue = value; |
| }); |
| }, |
| ), |
| Slider( |
| 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; |
| }); |
| }, |
| ), |
| ], |
| ), |
| ), |
| ); |
| } |
| } |