//IN DER GUI WIRD DER BUTTON "ADDE EIN YOOLET" GEDRÜCKT
protected void onNewYooLetChosen(object sender, ItemEventArgs e)
{
            YooLetModel yM = (YooLetModel)MobileClientData.GetInstance().ConvertType(MobileClientData.GetInstance().getAvailableYooLets()[e.Position]);
            ((ApplicationState)Application).CurrentYooView.Add(yM);
}

//DIE ADDED-METHODE (WIRD NUR 1-mal REGISTRIERT)
this.CurrentYooView.Added += delegate(object sender, ObservableDictArgs<Guid, IYooLet> args)
{
                YooLetModel yM = (YooLetModel)args.ChangedItem.Value;
                yM.SetAbsId(args.ChangedItem.Key);
                yM.SetUp();
                MobileClientData.GetInstance().CurrentYooLetModels.Add(args.ChangedItem.Key, yM);
                MobileClientData.GetInstance().activeYooLets.Add(MobileClientData.GetInstance().activeYooLets.Count, args.ChangedItem.Key);
                if (MobileClientData.GetInstance().CurrentYooLetActivity.Value.GetType() == typeof(RemoteScreen))
                    MobileClientData.GetInstance().CurrentYooLetActivity.Value.UpdateGui();
                else
                {
                    //Create Activity
                    Intent i = new Intent();
                    i.SetClass(this, MobileClientData.GetInstance().ConvertType(yM).GetType());
                    i.SetFlags(ActivityFlags.NewTask);
                    i.PutExtra("absId", args.ChangedItem.Key.ToString());
                    StartActivity(i);
                }
            };
}