ninja6

import 'package:flutter/material.dart';

void main() => runApp(MaterialApp(
  home : Scaffold(
    appBar : AppBar(
      title : Text('App bar', style : TextStyle(color : Colors.red),),
      centerTitle : true,
      backgroundColor : Colors.black,
    ),
    body : Center(
      child : Text('hello there!'),
    ),
    floatingActionButton : FloatingActionButton(
      child : Text('click'),
      onPressed : null,
    ),
  ),
  debugShowCheckedModeBanner: false,
));