import 'package:flutter/material.dart'; void main() => runApp( MaterialApp( debugShowCheckedModeBanner: false, home: Scaffold( appBar: AppBar(title:const Text("STORY BOARD")), body: Center( child: Container( color: Colors.green, width: 300, height: 600, child:const Text( "HI YOU SUCCESSFULLY CREATED YOUR FIRST FLUTTER PROJECT,FLUTTER IS AN AWESOME FRAME FOR CROSS PLATFORM DEVELOPMENT", ), ), ), ), ));