Set Statusbar Color When Appbar Is Not Present In Flutter

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

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

class MyApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle.dark.copyWith(
        statusBarColor: Color(0xFFFF6F00),
        statusBarIconBrightness: Brightness.light,
        statusBarBrightness: Brightness.light
    ));
    return MaterialApp(
      debugShowCheckedModeBanner: false,
        home: Scaffold(
          backgroundColor: Colors.black,
            body: Center(
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children:[
                    Text('Set Status Bar Background Color When Appbar is Not Present.',
                      style: TextStyle(fontSize: 15,color: Colors.white), textAlign: TextAlign.center,)
                  ],
                )
            )
        )
    );
  }
}