import 'package:flutter/material.dart'; import 'start_page.dart'; void main()=>runApp(MyApp()); class MyApp extends StatelessWidget { final Widget child; MyApp({Key key, this.child}) : super(key: key); @override Widget build(BuildContext context) { return MaterialApp( debugShowCheckedModeBanner: false, //debugShowMaterialGrid:true, home: StartPage(), ); } }