import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: _title,
      home: Scaffold(
        appBar: AppBar(title: const Text(_title)),
        body: const Center(
          child: MyStatefulWidget(),
        ),
      ),
    );
  }
}

class MyStatefulWidget extends StatefulWidget {
  const MyStatefulWidget({Key? key}) : super(key: key);

  @override
  State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
}

class _MyStatefulWidgetState extends State<MyStatefulWidget> {
  final ScrollController _firstController = ScrollController();

  @override
  Widget build(BuildContext context) {
    return Scrollbar(
      thumbVisibility: true,
      controller: _firstController,
      child: ListView.builder(
          controller: _firstController,
          itemCount: 100,
          itemBuilder: (BuildContext context, int index) {
            return Padding(
              padding: const EdgeInsets.all(8.0),
              child: Text('Scrollable 1 : Index $index'),
            );
          }),
    );
  }
}

[✓] Flutter (Channel master, 3.1.0-0.0.pre.1633, on LMDE 5 (elsie)
    5.10.0-16-amd64, locale en_GB.UTF-8)
    • Flutter version 3.1.0-0.0.pre.1633 on channel master at
      /home/henryr/Dev/SDK/Flutter/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 95a5a8d741 (2 days ago), 2022-07-13 09:53:40 -0700
    • Engine revision 20038216ac
    • Dart version 2.18.0 (build 2.18.0-272.0.dev)
    • DevTools version 2.15.0

[✓] Android toolchain - develop for Android devices (Android SDK version
    32.1.0-rc1)
    • Android SDK at /home/henryr/Android/Sdk
    • Platform android-32, build-tools 32.1.0-rc1
    • Java binary at:
      /home/henryr/Dev/SDK/AndroidStudio/android-studio/jre/bin/java
    • Java version OpenJDK Runtime Environment (build
      11.0.12+0-b1504.28-7817840)
    • All Android licenses accepted.

[✓] Chrome - develop for the web
    • Chrome at google-chrome

[✓] Linux toolchain - develop for Linux desktop
    • Debian clang version 11.0.1-2
    • cmake version 3.18.4
    • ninja version 1.10.1
    • pkg-config version 0.29.2

[✓] Android Studio (version 2021.2)
    • Android Studio at /home/henryr/Dev/SDK/AndroidStudio/android-studio
    • Flutter plugin version 69.0.2
    • Dart plugin version 212.5744
    • Java version OpenJDK Runtime Environment (build
      11.0.12+0-b1504.28-7817840)

[✓] Connected device (2 available)
    • Linux (desktop) • linux  • linux-x64      • LMDE 5 (elsie) 5.10.0-16-amd64
    • Chrome (web)    • chrome • web-javascript • Google Chrome 103.0.5060.114

[✓] HTTP Host Availability
    • All required HTTP hosts are available

• No issues found!