private void createShowEvent() {
    EditText eventNameEditText =
        (EditText) findViewById(R.id.admin_create_event_event_name_edit_text);
    DatePicker eventStartDateDatePicker =
        (DatePicker) findViewById(R.id.admin_create_event_event_start_date_date_picker);
    DatePicker eventEndDateDatePicker =
        (DatePicker) findViewById(R.id.admin_create_event_event_end_date_date_picker);

    String eventName = eventNameEditText.getText().toString();
    String startDate = extractDatePickerDateString(eventStartDateDatePicker);
    String endDate = extractDatePickerDateString(eventEndDateDatePicker);

    ShowEvent createdEvent = new ShowEvent();
    createdEvent.setAdminId(getModel().getCurrentUser().getId());
    createdEvent.setName(eventName);
    createdEvent.setStartDate(startDate);
    createdEvent.setEndDate(endDate);

    Utility.showProgressDialog(
        this,
        getString(R.string.admin_creating_event_caption),
        getString(R.string.admin_creating_event_description));
    AdminProxy.createShowEvent(this, createdEvent);
  }
 private void addParticipant(String email) {
   AdminProxy.addUserToShowEvent(this, email, getCurrentEvent().getId());
 }