public ScheduleTabPageViewModel(INavigationService navigationService, IPageDialogService _pageDialogService) : base(navigationService) { pageDialogService = _pageDialogService; // DI fireBase = new FireBaseRepository(); Title = "Agendar"; BarberServicesList = fireBase.GetBarberServicesList(); CreateServiceCommand = new DelegateCommand(async() => await CreateService()); ItemTappedCommand = new DelegateCommand <Object>(async(Object obj) => await ItemTapped(obj)); if (current == NetworkAccess.Internet) { //SyncServices(); } }