main.dart import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { // This widget is the root of your application. @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( primarySwatch: Colors.blue, ), debugShowCheckedModeBanner: false, home: MyHomePage(title: 'Flutter Demo Home Page'), ); } } class MyHomePage extends StatefulWidget { MyHomePage({Key key, this.title}) : super(key: key); final String title; @override _MyHomePageState createState() => _MyHomePageState(); } class _MyHomePageState extends State<MyHomePage> { @override void initState() { SystemChrome.setEnabledSystemUIOverlays([]); // TODO: implement initState super.initState(); } @override Widget build(BuildContext context) { return Scaff...