anchor.diff:      addChild(new ScrollView()
           ..size(150, 100)
           ..move(30, 100)
  -        ..content = new ListView(data:[{
  +        ..content = new ListView(data: [{
               "label": "CLOSE MENU",
               "icon": new Box(32, 32, Color.Red)
             }, {
  
positive.code:         ..move(400, 50);
      addChild(countdown);
  
      var t = new Timer.periodic(new Duration(milliseconds: 33), (t) {
        progressBar.step();
        countdown.step();
      });
  
      addChild(new ScrollBar()
  
negative.code:         ..move(50, 210);
      addChild(listView);
  
      var navigationBar = new NavigationBar();
      navigationBar.title = "Navigation Bar";
      addChild(navigationBar);
  