getAddressSimple method
Implementation
String getAddressSimple()  {
  String address = "";
  try {
    String locality = city;
    String administrativeArea = street;
    String country = this.country;
    locality.isNotEmpty ?
    address = "$locality, $country"
        : address = "$administrativeArea, $country" ;
  } catch (e) {
    AppConfig.logger.e(e.toString());
  }
  return address;
}