flutter/examples/api/lib/widgets/scrollbar/raw_scrollbar.shape.0.dart

// 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 [RawScrollbar.shape].

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

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      home: ShapeExample(),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: RawScrollbar(
        shape: const StadiumBorder(side: BorderSide(color: Colors.brown, width: 3.0)),
        thickness: 15.0,
        thumbColor: Colors.blue,
        thumbVisibility: true,
        child: ListView(
          // On mobile platforms, setting primary to true is not required, as
          // the PrimaryScrollController automatically attaches to vertical
          // ScrollPositions. On desktop platforms however, using the
          // PrimaryScrollController requires ScrollView.primary be set.
          primary: true,
          physics: const BouncingScrollPhysics(),
          children: List<Text>.generate(100, (int index) => Text((index * index).toString())),
        ),
      ),
    );
  }
}