main77.dart

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.yellow),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});
  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {

  RangeValues values = RangeValues(1, 100);
  @override
  Widget build(BuildContext context) {

    RangeLabels labels = RangeLabels(values.start.toString(), values.end.toString());
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body:Center(
        child: RangeSlider(
           values: values,
          labels: labels,
          divisions: 10,
          onChanged: (newValue){
              values = newValue;
              print('${newValue.start}, ${newValue.end}');
              setState(() {

              });
             },
        ),
      ),
    );
  }
}