protected async void Login(object obj, EventArgs args) { //Проверка наличия соединения var connectivityManager = (ConnectivityManager)GetSystemService(ConnectivityService); var activeConnection = connectivityManager.ActiveNetworkInfo; var isOnline = (activeConnection != null) && activeConnection.IsConnected; var wifiInfo = connectivityManager.GetNetworkInfo(ConnectivityType.Wifi); var isWiFi = wifiInfo.IsConnected; if (!isOnline && !isWiFi) { MessageHelper.ShowMessage(this, Resource.String.Attention, Resource.String.NoConnection); return; } //Пустышка логинки //var userid = "123asd"; //var mainMenuAciviy = new Intent(this, typeof(MainMenuActivity)); //mainMenuAciviy.PutExtra("UserId", userid); //StartActivity(mainMenuAciviy); var name = FindViewById <EditText>(Resource.Id.EtName).Text; var password = FindViewById <EditText>(Resource.Id.EtPassword).Text; if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(password)) { MessageHelper.ShowMessage(this, Resource.String.Warning, Resource.String.WrongInput); return; } var progressDialog = new ProgressDialog(this); progressDialog.SetProgressStyle(ProgressDialogStyle.Spinner); progressDialog.SetMessage(Resources.GetString(Resource.String.SigningIn)); progressDialog.SetCancelable(false); progressDialog.Show(); try { var userId = await WebRequestHelper.FetchWebResult <string>($"/Login/ApiLogin?userName={name}&password={password}"); if (userId != null) { //Обновляем данные var filePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), $"{userId}.txt"); //Загрузка данных var eventsList = await WebRequestHelper.FetchWebResult <RequestData <List <EventInfo> > >($"/Main/GetUserScheduleMobilesByUserId?UserId={userId}"); //Сохранение данных using (var writer = new StreamWriter(File.Create(filePath))) { writer.Write(JsonConvert.SerializeObject(eventsList.data)); } var activity = new Intent(this, typeof(MainMenuActivity)); activity.PutExtra("UserId", userId); StartActivity(activity); progressDialog.Hide(); } else { MessageHelper.ShowMessage(this, Resource.String.Warning, Resource.String.WrongInput); progressDialog.Hide(); } } catch (Exception e) { progressDialog.Hide(); MessageHelper.ShowMessage(this, Resource.String.Warning, Resource.String.ServerUnavailable); } }