import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

const colors = [
  Colors.amber,
  Colors.purple,
  Colors.green,
  Colors.grey,
  Colors.cyan
];

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

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

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: StretchingOverscrollIndicator(
        axisDirection: AxisDirection.up,
        child: ListView.builder(
          itemCount: colors.length,
          itemBuilder: (context, index) {
            return Padding(
              padding: const EdgeInsets.only(bottom: 20),
              child: SizedBox(
                height: 200,
                width: double.infinity,
                child: ColoredBox(
                  color: colors[index],
                  child: Center(
                    child: Text(
                      index.toString(),
                    ),
                  ),
                ),
              ),
            );
          },
        ),
      ),
    );
  }
}