Alterplay/APAddressBook — pull request #10 by Krivoblotsky (2014-06-03 14:59:20+00:00)
Title: External change callback added

External change callback added. It will fire when something changed in AB storage. So developer can re-fetch and keep data up to date.

Usage:

[_addressBook setAddressBookExteranChangeCallback:^(NSDictionary *changes) {
//Handle changes.
}];