Contact constructor
Contact(})
Implementation
Contact(String? address, {String? firstName, String? lastName, String? fullName, Photo? thumbnail, Photo? photo}) {
this._address = address;
this._firstName = firstName;
this._lastName = lastName;
if (fullName == null) {
this._fullName = _firstName! + " " + _lastName!;
} else {
this._fullName = fullName;
}
this._thumbnail = thumbnail;
this._photo = photo;
}