Creates a new address book object with data from the Address Book database.
- iOS 2.0–9.0Deprecated
On error, contains error information. See Address Book Errors.
An address book object,
NULL, or an empty database.
Changes made to the returned address book are reflected in the Address Book database only after saving the address book with
On iOS 6.0 and later, if the caller does not have access to the Address Book database:
For apps linked against iOS 6.0 and later, this function returns
For apps linked against previous version of iOS, this function returns an empty read-only database.
If your app syncs information with the database, it must not sync data when it does not have access to the database.