ABAddressBookCopyArrayOfAllPeople and ABAddressBookGetPersonCount return different sizes

Question

I have an app which crashes occasionally due to the array returned by ABAddressBookCopyArrayOfAllPeopleInSourceWithSortOrdering() having a different size to ABAddressBookGet

Answer 1

@Jokinryou Tsui Passing source as nil was the key, thanks! It seems like the source types may correspond to this documentation from Apple : https://developer.apple.com/library/ios/documentation/AddressBook/Reference/ABSourceRef_iPhoneOS/#//apple_ref/doc/constant_group/Source_Types