private void InitListeners()
        {
            EditText name      = FindViewById <EditText>(Resource.Id.editTextPersonalName);
            EditText lastName  = FindViewById <EditText>(Resource.Id.editTextPersonalLastName);
            EditText phone     = FindViewById <EditText>(Resource.Id.editTextPersonalPhone);
            Button   endSignUp = FindViewById <Button>(Resource.Id.btnEndSign);

            endSignUp.Click += async delegate
            {
                if (name.Text.Length == 0 || lastName.Text.Length == 0 || phone.Text.Length == 0)
                {
                    Toast.MakeText(this, "Favor de llenar todos los campos", ToastLength.Long).Show();
                }
                else
                {
                    User user = new User();
                    user.FirstName = name.Text;
                    user.LastName  = lastName.Text;
                    user.Phone     = phone.Text;
                    user.Mail      = Intent.GetStringExtra("email");
                    user.Password  = Intent.GetStringExtra("password");
                    user.UserType  = "user";

                    Preferences.Set("idUser", await API.CreateUserAsync(user));
                    Preferences.Set("boolUser", true);
                    Preferences.Set("userName", user.FirstName);
                    Preferences.Set("userInfo", JsonConvert.SerializeObject(user));
                    Preferences.Set("boolReservation", false);
                    Preferences.Set("boolFavorite", false);

                    Intent intent = new Intent(this, typeof(ActivityLoading));
                    StartActivity(intent);
                    Finish();
                }
            };
        }