内存问题（我相信）在Addressbook框架中使用ABRecordRef

Question

我目前正在创建一些使用ABRecordRefs数据建模的对象 - 所以我解析出来代表名字，电子邮件的字符串。我确实需要对实际的ABRecord的引用，因为在某些时候我会将它传递给ABPErsonViewController。

因此，如果将ABRecord指定为我的对象的属性，似乎我会引用它。但是当我把它传递给控制器​​时，我对该记录的访问权限很差。当我在调试器中检查它时，它似乎存在 - 至少它不是零。

有什么想法吗？我应该将记录标识符用作属性并重新查看并获取记录，然后将其交给ABPersonViewController吗？有点好奇为什么它不起作用。

- (NSArray*)allContacts
{
    ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, NULL);
    CFArrayRef people = ABAddressBookCopyArrayOfAllPeople(addressBook);
    NSInteger count = ABAddressBookGetPersonCount(addressBook);

    NSMutableArray *contacts = [NSMutableArray array];

    for (int i = 0; i < count; i++) {
        ABRecordRef record = CFArrayGetValueAtIndex(people, i);
        ABRecordType type = ABRecordGetRecordType(record);
        NSLog(@"Type = %i", type);
        ALContact *contact = [[ALContact alloc] initWithRecord:record];

        [contacts addObject:contact];
    }



    CFRelease(addressBook);
    CFRelease(people);

    return contacts;
}

- (instancetype)initWithRecord:(ABRecordRef)record
{
    if (self = [super init]) {
        _firstName = (__bridge_transfer NSString *)ABRecordCopyValue(record, kABPersonFirstNameProperty);
        _lastName = (__bridge_transfer NSString *)ABRecordCopyValue(record, kABPersonLastNameProperty);
        _compositeName = (__bridge_transfer NSString *)ABRecordCopyCompositeName(record);


        _record = record;

        NSData *imageData = (__bridge_transfer NSData *)ABPersonCopyImageDataWithFormat(record, kABPersonImageFormatThumbnail);
        _thumbnailImage = [UIImage imageWithData:imageData];

        _emailAddresses = [self parseEmailValuesForRecord:record];
        _phoneNumbers = [self parsePhoneNumberValuesForRecord:record];
        _socialProfiles = [self parseSocialProfileValuesForRecord:record];
    }
    return self;
}