code: @SuppressWarnings("unused")
      public void onCountryCodeSelected(String isoCode, String dialCode) {
          Country selectedCountry = new Country(isoCode, dialCode);
          countryCodeSelector.setSelectedCountry(selectedCountry);
      }
docs: Notifies the form that a new country code was selected by the user.
  
  @param isoCode  the selected country iso code (2 chars).
  @param dialCode the dial code for this country