private async void LoadLands() { this.IsRefreshing = true; var connection = await apiService.CheckConnection(); if (!connection.IsSuccess) { this.IsRefreshing = false; await Application.Current.MainPage.DisplayAlert( Languages.Error, connection.Message, Languages.Accept); await Application.Current.MainPage.Navigation.PopAsync(); return; } var response = await this.apiService.GetList <Land>( "http://restcountries.eu", "/rest", "/v2/all"); if (!response.IsSuccess) { this.IsRefreshing = false; await Application.Current.MainPage.DisplayAlert( Languages.Error, response.Message, Languages.Accept); await Application.Current.MainPage.Navigation.PopAsync(); return; } MainViewModel.GetInstance().LandsList = (List <Land>)response.Result; this.Lands = new ObservableCollection <LandItemViewModel>(this.ToLandItemViewModel()); this.IsRefreshing = false; }