import 'package:flutter/material.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      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> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: NestedScrollView(
        body: ListView(children: [
          ListView.builder(
              physics: const ScrollPhysics(),
              shrinkWrap: true,
              itemCount: 6,
              itemBuilder: (context, index) {
                return Padding(
                  padding: const EdgeInsets.all(8.0),
                  child:
                      Container(width: 100, height: 100, color: Colors.green),
                );
              }),
          ListView.builder(
              physics: const ScrollPhysics(),
              shrinkWrap: true,
              itemCount: 5,
              itemBuilder: (context, index) {
                return Padding(
                  padding: const EdgeInsets.all(8.0),
                  child:
                      Container(width: 100, height: 100, color: Colors.purple),
                );
              }),
        ]),
        headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
          return [];
        },
      ),
    );
  }
}