title: I applied debugshowcheckedmodebanner: false, but still debug tag show on each screen
body: <p>I have multiple screens. all the screens are showing debug tag. I am implementing <code>debugshowcheckedmodebanner: false</code>, into material app of my main file but debug tag shows on right top of each of the screen. I am not sure where I am making mistake.</p>
  
  <pre><code>import 'package:flutter/material.dart';
  import 'package:flutter/services.dart';
  import 'dart:async';a
  import 'home.dart';
  
  void main() {
    runApp(MaterialApp(
      debugShowCheckedModeBanner: false,
      home: splash(),
    ));
  }
  
  class splash extends StatefulWidget {
    @override
    _splashState createState() =&gt; _splashState();
  }
  
  class _splashState extends State&lt;splash&gt; {
  
    void initState() {
      super.initState();
      Timer(
        Duration(seconds: 3),
            () =&gt; Navigator.pushReplacement(
          context,
          MaterialPageRoute(builder: (context) =&gt; MyApp(),
        ),
      ));
    }
  
    @override
    Widget build(BuildContext context) {
      SystemChrome.setEnabledSystemUIOverlays([]);
      Future&lt;bool&gt; _onBackPressed() {
        return showDialog(
            context: context,
            builder: (context) =&gt; AlertDialog(
              title: Text("Do you want to exit?"),
              actions: &lt;Widget&gt;[
                FlatButton(
                    onPressed: () {
                      Navigator.pop(context, false);
                    },
                    child: Text("No")),
                FlatButton(
                    onPressed: () {
                      Navigator.pop(context, true);
                    },
                    child: Text("yes"))
              ],
            ));
      }
  
      Orientatoin();
      return WillPopScope(
        child: Scaffold(
          body: Stack(
            fit: StackFit.expand,
            children: &lt;Widget&gt;[
              Container(
                decoration: BoxDecoration(
                  color: Colors.transparent,
                ),
                child: Image.asset('imges/splash.png'),
              ),
  
            ],
          ),
        ),
        onWillPop: _onBackPressed,
      );
    }
  }
  
  void Orientatoin() {
    SystemChrome.setPreferredOrientations(
        [DeviceOrientation.landscapeLeft, DeviceOrientation.landscapeRight]);
  }
  </code></pre>