import 'package:flutter/material.dart';
 
void main() {
  runApp(exampleApp()); //MaterialApp
}
 
MaterialApp exampleApp() {
  return MaterialApp(
    home: Scaffold(
      appBar: AppBar(
        
         title: const Text('AppBar'),
         backgroundColor: Colors.pink[400],
       ), //AppBar
      
       
      
    ), //Scaffold
    
  );
}