コード例 #1
0
        protected async override void OnAppearing()
        {
            base.OnAppearing();
            if (!appeared)
            {
                try
                {
                    Subjects = await FirebaseHelper.GetSubjectsById(LoginPage.LoggedUser.SubjectsKeys);

                    listviewSubjects.ItemsSource = Subjects;
                }
                catch (Exception ex)
                {
                    await DisplayAlert("Error", "Problema al traer las asignaturas de firebase: " + ex, "OK");

                    //throw;
                }
                appeared     = true;
                IsRefreshing = false;
            }
        }
コード例 #2
0
        /// <summary>
        /// Evento del click del boton LogIn
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public async void LogIn(object sender, EventArgs e)
        {
            StartLoadingIndicator();
            if (String.IsNullOrEmpty(entryEmail.Text) && String.IsNullOrEmpty(entryPassword.Text))
            {
                entryEmail.Text    = "*****@*****.**";
                entryPassword.Text = "estudiante";
            }
            if (!String.IsNullOrEmpty(entryEmail.Text) && !String.IsNullOrEmpty(entryPassword.Text))
            {
                try
                {
                    Auth = await FirebaseHelper.AuthProvider.SignInWithEmailAndPasswordAsync(entryEmail.Text, entryPassword.Text);

                    LoggedUser = await FirebaseHelper.GetStudentById(Auth.User.LocalId);

                    if (LoggedUser == null)
                    {
                        throw new Exception();
                    }
                    else
                    {
                        ShowHomePage();
                    }
                }
                catch (Exception ex)
                {
                    StopLoadingIndicator();
                    await DisplayAlert("Error", "No es posible iniciar sesión :" + ex, "OK");

                    //throw ex;
                }
            }
            else
            {
                StopLoadingIndicator();
                await DisplayAlert("Error", "Uno o mas campos vacios", "OK");
            }
        }
コード例 #3
0
        protected async override void OnAppearing()
        {
            base.OnAppearing();
            if (!appeared)
            {
                try
                {
                    Partners = await FirebaseHelper.GetStudentsByIds(TheSubject.StudentsKeys);

                    listviewPartners.ItemsSource = Partners;
                    Evaluations = await FirebaseHelper.GetEvaluations(TheSubject.EvaluationsKeys);

                    SetUpMyCalifications();
                }
                catch (Exception ex)
                {
                    await DisplayAlert("Error", "Problema al traer a los estudiantes de firebase, : " + ex, "OK");

                    //throw;
                }

                appeared = true;
            }
        }