ABAddressBookRef addressBook = ABAddressBookCreate();
CFArrayRef sourcesArray = ABAddressBookCopyArrayOfAllSources(addressBook);
for (CFIndex i = 0; i < CFArrayGetCount(sourcesArray); i++) {
ABRecordRef source = (ABRecordRef)CFArrayGetValueAtIndex(sourcesArray, i);
ABRecordID sourceID = ABRecordGetRecordID(source);
CFNumberRef sourceType = (CFNumberRef)ABRecordCopyValue(source, kABSourceTypeProperty);
CFStringRef sourceName = (CFStringRef)ABRecordCopyValue(source, kABSourceNameProperty);
NSLog(@"source id=%d type=%d name=%@", sourceID, [(NSNumber *)sourceType intValue], sourceName);
CFRelease(sourceType);
if (sourceName != NULL) CFRelease(sourceName); // some source names are NULL
}
CFRelease(sourcesArray);
CFRelease(addressBook);
Note that, as of iOS 4, not all sources return a name. You may provide your own names based on type.
Use ABAddressBookCopyArrayOfAllPeopleInSource(addressBook, source)
to get entries in a source.