unregisterSurveyListeners method

Future<bool?> unregisterSurveyListeners()

Unregisters Survey activity listeners

Implementation

Future<bool?> unregisterSurveyListeners() async {
  if (onSurveyDisplayedListener == null &&
      onQuestionAnsweredListener == null &&
      onSurveyClosedListener == null &&
      onSurveyCompletedListener == null) {
    return false;
  }

  onSurveyDisplayedListener = null;
  onQuestionAnsweredListener = null;
  onSurveyClosedListener = null;
  onSurveyCompletedListener = null;
  return await _channel.invokeMethod('unregisterSurveyListeners');
}