Flutter Slider – Label

Flutter Slider Label

label property of Slider widget is used to display a string as Label above the slider, when the slider is active.

Sample Code

  label: 'hello world',


Flutter Application with a Slider widget.

label attribute of this Slider is set with the slider value _currentSliderValue.


import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

/// main application widget
class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Application';

  Widget build(BuildContext context) {
    return MaterialApp(
      title: _title,
      home: Scaffold(
        appBar: AppBar(title: const Text(_title)),
        body: const MyStatefulWidget(),

/// stateful widget that the main application instantiates
class MyStatefulWidget extends StatefulWidget {
  const MyStatefulWidget({Key? key}) : super(key: key);

  State<MyStatefulWidget> createState() => _MyStatefulWidgetState();

/// private State class that goes with MyStatefulWidget
class _MyStatefulWidgetState extends State<MyStatefulWidget> {
  double _currentSliderValue = 40;
  Widget build(BuildContext context) {
    return Center(
      child: Column(
        children: <Widget>[
            value: _currentSliderValue,
            min: 0,
            max: 100,
            divisions: 100,
            label: _currentSliderValue.round().toString(),
            onChanged: (double value) {
              setState(() {
                _currentSliderValue = value;


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