private async Task PerformLoginAsync() { try { await OAuthHelper.GetAccessToken(); App.DAUtil.RefreshMasterInfo(new MasterInfo { content = JsonConvert.SerializeObject(App.GraphAuthentication), Name = App.GRAPH_AUTH_RESULT_KEY }); App.DAUtil.RefreshMasterInfo(new MasterInfo { content = JsonConvert.SerializeObject(App.SharePointAuthentication), Name = App.SHAREPOINT_AUTH_RESULT_KEY }); await OAuthHelper.GetUserInfo(); MessagingCenter.Send <object>(this, App.EVENT_LAUNCH_MAIN_PAGE); } catch (Exception ex) { btnLogin.IsVisible = true; IsBusy = false; lblLoading.Text = ex.Message; } }
private async void Login_OnClicked(object sender, EventArgs e) { try { //if (string.IsNullOrEmpty(Username.Text.Trim()) || string.IsNullOrEmpty(Username.Text.Trim())) //{ // DependencyService.Get<IMessage>().LongAlert("Login Failed! Please check email/password"); // return; //} IsBusy = true; btnLogin.IsVisible = false; var t1 = Task.Run(async() => { await OAuthHelper.GetAuthenticationHeader(Username.Text, Password.Text).ContinueWith(async(x) => { await OAuthHelper.GetUserInfo().ContinueWith((y) => { Device.BeginInvokeOnMainThread(async() => { IsBusy = false; if (App.GraphAuthentication != null) { MessagingCenter.Send <object>(this, App.EVENT_LAUNCH_MAIN_PAGE); } else { DependencyService.Get <IMessage>().ShortAlert("Login failed! Please check email/password"); btnLogin.IsVisible = true; } }); }); }); }); } catch (Exception ex) { DependencyService.Get <IMessage>().ShortAlert("Login failed! Please check email/password"); } }