ABUnknown class (whose instances are known as unknown-person view controllers) implements a view controller used to create a person record from a set of person properties.
- iOS 2.0–9.0Deprecated
Unknown-person view controllers display contact information that can be saved to the Address Book database. From instances of this class, users may also initiate standard actions, such as:
Add to contact
Performing any of the standard actions may result in your application being moved to the background.
ABUnknown class does not support subclassing.