Medium App Design with AppBar complete.

MediumAppStep1.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Home',
      theme: new ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: new MyHomePage(),
      debugShowCheckedModeBanner: false,
    );
  }
}

class MyHomePage extends StatefulWidget {

  @override
  _MyHomePageState createState() => new _MyHomePageState();

}

class _MyHomePageState extends State<MyHomePage> {

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text("Home", style: TextStyle(fontWeight: FontWeight.w400),),
        backgroundColor: Colors.black,
        actions: <Widget>[
          Padding(
            padding: const EdgeInsets.only(right: 20.0),
            child: Icon(Icons.notifications_none, color: Colors.grey,),
          ),
          Padding(
            padding: const EdgeInsets.only(right: 12.0),
            child: Icon(Icons.search, color: Colors.grey),
          ),
        ],
      ),
      body: new Center(
        child: new Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
          ],
        ),
      ),
      drawer: Drawer(),
    );
  }
}