protected override void OnStart() { //MainPage = new NavigationPage(new CitysPage()); //var favorite = new Favorite //{ // CityID = 3469058, // Name = "Brasilia" //}; //_favoriteRepository.InsertFavorite(favorite); var result = _favoriteRepository.GetAllFavorite().Result; //MainPage = new NavigationPage(new CitysPage()); if (result.Count == 0) { MainPage = new NavigationPage(new EmptyPage()); } else { MainPage = new NavigationPage(new FavoritesPage()); } }