private async Task checkLoggedIn() { ClientInitializor.username = Xamarin.Essentials.Preferences.Get("username", "null"); ClientInitializor.password = Xamarin.Essentials.Preferences.Get("password", "null"); Device.BeginInvokeOnMainThread(() => { indicator.IsVisible = true; indicator.IsEnabled = true; indicator.IsRunning = true; }); if (ClientInitializor.username != "null") { await DataFetcher.AttemptLogIn(); if (DataFetcher.loggedIn) { LoggedIn = true; if (Device.RuntimePlatform == Device.iOS) { await Navigation.PopToRootAsync(); } Device.BeginInvokeOnMainThread(() => { Application.Current.MainPage = new NavigationPage(new GradesPage()); ((NavigationPage)Application.Current.MainPage).BarBackgroundColor = g1; }); //Application.Current.MainPage = new NavigationPage(new GradesPage()); //await Navigation.PushModalAsync(new GradesPage()); //((NavigationPage)Application.Current.MainPage).BarBackgroundColor = g1; } else { Device.BeginInvokeOnMainThread(() => { usnHolder.Hint = "Incorrect Username or Password"; usnHolder.FocusedColor = Color.Red; usnHolder.Focus(); pwd.Text = ""; usn.Text = ""; acceptTOS.IsChecked = false; LoginButton.IsEnabled = true; LoginButton.FadeTo(1, 300); LoginButton.IsVisible = true; indicator.IsVisible = false; indicator.IsEnabled = false; indicator.IsRunning = false; }); } } }
private async Task DoLogin() { await DataFetcher.AttemptLogIn(); }