import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(title: 'Flutter Demo', home: ListViewPage());
  }
}

class ListViewPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        actions: [],
      ),
      body: ListView.builder(
        itemCount: 100,
        itemBuilder: (context, i) => Container(
          child: Text(i.toString()),
        ),
        primary: true,
      ),
    );
  }
}