// Elimina el layout anterior
 private void ClearLastLayout()
 {
     if (_popupBasicStyle != null)
     {
         _popupBasicStyle = null;
     }
     else if (_popupCheckPickerStyle != null)
     {
         _popupCheckPickerStyle = null;
     }
     else
     {
         _popupRadioPickerStyle = null;
     }
 }
        // Actualiza el style del popup segĂșn el nuevo valor
        private void UpdateStyle()
        {
            switch (_popupStyle)
            {
            case PopupViewStyle.Basic:
                _popupBasicStyle = new PopupBasicStyle();
                break;

            case PopupViewStyle.CheckPicker:
                _popupCheckPickerStyle = new PopupCheckPickerStyle();
                break;

            case PopupViewStyle.RadioPicker:
                _popupRadioPickerStyle = new PopupRadioPickerStyle();
                break;
            }
        }