import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(primarySwatch: Colors.blue),
      home: Scaffold(
        appBar: AppBar(title: Text('FloatingActionButton test')),
        body: SafeArea(
          child: Container(color: Colors.yellow),
        ),
        floatingActionButton: RaisedButton(
          onPressed: () {},
          child: Text('Press me'),
        ),
      ),
    );
  }
}