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// 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].
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;
});
},
),
],
),
);
}
}