private String addQueryParams(String apiUrlCall) {
    if (!SearchUtil.isNullOrEmpty(advanceSettings.getColorFilter())) {
      apiUrlCall = apiUrlCall + "&imgcolor=" + advanceSettings.getColorFilter();
    }
    if (!SearchUtil.isNullOrEmpty(advanceSettings.getImageSize())) {
      apiUrlCall = apiUrlCall + "&imgsz=" + advanceSettings.getImageSize();
    }
    if (!SearchUtil.isNullOrEmpty(advanceSettings.getImageType())) {
      apiUrlCall = apiUrlCall + "&imgtype=" + advanceSettings.getImageType();
    }
    if (!SearchUtil.isNullOrEmpty(advanceSettings.getSiteFilter())) {
      apiUrlCall = apiUrlCall + "&as_sitesearch=" + advanceSettings.getSiteFilter();
    }

    return apiUrlCall;
  }