app/lib/main.dart

import 'package:flutter/material.dart';
import 'package:fluttering_vikunja/style.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Vikunja',
      theme: buildVikunjaTheme(),
      home: new MyHomePage(title: 'Vikunja'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      // This call to setState tells the Flutter framework that something has
      // changed in this State, which causes it to rerun the build method below
      // so that the display can reflect the updated values. If we changed
      // _counter without calling setState(), then the build method would not be
      // called again, and so nothing would appear to happen.
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return new Scaffold(
      appBar: new AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: new Text(widget.title),
      ),
      drawer: Drawer(
        child: ListView(
          children: <Widget>[
            new UserAccountsDrawerHeader(
              decoration: BoxDecoration(
                image: new DecorationImage(
                    image: AssetImage('assets/graphics/background.jpg'),
                    repeat: ImageRepeat.repeat
                ),
              ),
              accountName: new Text(
                'Max Mustermann',
                style: TextStyle(color: Colors.black),
              ),
              accountEmail: new Text(
                'max@try.vikunja.io',
                style: TextStyle(color: Colors.black),
              ),
              otherAccountsPictures: <Widget>[
                GestureDetector(
                  child: Semantics(
                    label: 'Switch to Fritz',
                    child: const CircleAvatar(

                    )
                  ),
                )
              ],
            ),
            ListTile(
              title: new Text('Namespace A'),
            )
          ],
        )
      ),
      body: new Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: new Container(
          padding: EdgeInsets.only(left: 16.0),
          child: new Column(
          // Column is also layout widget. It takes a list of children and
          // arranges them vertically. By default, it sizes itself to fit its
          // children horizontally, and tries to be as tall as its parent.
          //
          // Invoke "debug paint" (press "p" in the console where you ran
          // "flutter run", or select "Toggle Debug Paint" from the Flutter tool
          // window in IntelliJ) to see the wireframe for each widget.
          //
          // Column has various properties to control how it sizes itself and
          // how it positions its children. Here we use mainAxisAlignment to
          // center the children vertically; the main axis here is the vertical
          // axis because Columns are vertical (the cross axis would be
          // horizontal).
          mainAxisAlignment: MainAxisAlignment.start,
          children: <Widget>[
            new Container(
              padding: EdgeInsets.only(top: 32.0),
              child: new Text(
                'Welcome to Vikunja',
                style: Theme.of(context).textTheme.headline,
              ),
            ),
            new Text(
                'Please select a namespace by clicking the  ☰  icon.',
                style: Theme.of(context).textTheme.subhead
            ),
          ],
        )
        )
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}