// 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. // Flutter code sample for [Slider]. import 'package:flutter/material.dart'; void main() => runApp(const SliderApp()); class SliderApp extends StatelessWidget { const SliderApp({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 _currentSliderPrimaryValue = 0.2; double _currentSliderSecondaryValue = 0.5; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar(title: const Text('Slider')), body: Column( mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[ Slider( value: _currentSliderPrimaryValue, secondaryTrackValue: _currentSliderSecondaryValue, label: _currentSliderPrimaryValue.round().toString(), onChanged: (double value) { setState(() { _currentSliderPrimaryValue = value; }); }, ), Slider( value: _currentSliderSecondaryValue, label: _currentSliderSecondaryValue.round().toString(), onChanged: (double value) { setState(() { _currentSliderSecondaryValue = value; }); }, ), ], ), ); } }