Flutter Slider/RangeSlider test

main.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      home: MyHomePage(title: 'Slider/RangeSlider Test'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  static const int divisions = 35;

  double _value = 0.0;
  RangeValues _values = RangeValues(0.0, divisions.toDouble());

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Slider(
              min: 0.0,
              max: divisions.toDouble(),
              divisions: divisions,
              value: _value,
              onChanged: (double value) {
                setState(() {
                  _value = value;
                });
              },
            ),
            Text('$_value'),
            RangeSlider(
              min: 0.0,
              max: divisions.toDouble(),
              divisions: divisions,
              values: _values,
              onChanged: (RangeValues value) {
                print(_values);
                setState(() {
                  _values = value;
                });
              },
            ),
            Text(
              '$_values',
            ),
          ],
        ),
      ),
    );
  }
}