flutter-examples/using_listwheelscrollview/lib/main.dart

import 'package:flutter/material.dart';
import 'listwheel.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(
        scaffoldBackgroundColor: Color(0XFF0A0E21),
      ),
      home: Listwheel(),
    );
  }
}