ios - ABRecordCopyValue 因 SIGSEGV 而崩溃

Question

我正在尝试获取这样的联系人列表:

CFErrorRef *error = nil;
ABAddressBookRef addressBook = nil;

__block BOOL accessGranted = NO;

if (ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusNotDetermined ||
    ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusAuthorized) {

    addressBook = ABAddressBookCreateWithOptions(NULL, error);
    dispatch_semaphore_t sema = dispatch_semaphore_create(0);
    ABAddressBookRequestAccessWithCompletion(addressBook, ^(bool granted, CFErrorRef error) {
        accessGranted = granted;
        dispatch_semaphore_signal(sema);
    });
    dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);
}
else if (ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusDenied ||
         ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusRestricted) {
    return nil;
}

if (!accessGranted) {

    if (addressBook) CFRelease(addressBook);
    return nil;
}

CFIndex nPeople = ABAddressBookGetPersonCount(addressBook);

if (nPeople <= 0) {
    CFRelease(addressBook);
    return nil;
}

ABRecordRef source = ABAddressBookCopyDefaultSource(addressBook);
CFArrayRef allPeople = ABAddressBookCopyArrayOfAllPeopleInSourceWithSortOrdering(addressBook, source, kABPersonSortByFirstName);

if (!allPeople) return nil;

NSMutableArray *contactsArray = [NSMutableArray arrayWithCapacity:nPeople];

for (CFIndex i = 0; i < nPeople; ++i) {

    ABRecordRef person = CFArrayGetValueAtIndex(allPeople, i);

    if (!person) continue;

    ContactData *contact = [ContactData new];
    contact.firstName = (__bridge_transfer NSString*)ABRecordCopyValue(person, kABPersonFirstNameProperty);

它在我的 iPhone 5s 和模拟器上运行，但构建在带有 SIGSEGV 的测试仪 iPod 设备上崩溃:

   contact.firstName = (__bridge_transfer NSString*)ABRecordCopyValue(person, kABPersonFirstNameProperty);

这是堆栈:

3 AppSupport 0x34129a04 CPRecordCopyProperty4 AppSupport 0x34129a04 CPRecordCopyProperty5 地址簿 0x2fd6ad22 ABRecordCopyValueUnfiltered6 地址簿 0x2fd6abc6 ABRecordCopyValue

Answer 1

我有同样的错误，问题是:

CFArrayRef allPeople = ABAddressBookCopyArrayOfAllPeopleInSourceWithSortOrdering(addressBook, source, kABPersonSortByFirstName);

和

CFIndex nPeople = ABAddressBookGetPersonCount(addressBook);

给出了不同数量的联系人(所以在你的情况下 nPeople 可能比 allPeople 大，这会导致崩溃)。 “来源”似乎并没有提供地址簿中的所有联系人。将其更改为 nil 为我解决了这个问题。另外，为了确保我会这样做:nPeople = CFArrayGetCount(allPeople);

Jokinryou Tsui 在这篇文章中很好地解释了解决方案:ABAddressBookCopyArrayOfAllPeople and ABAddressBookGetPersonCount return different sizes

(这是我的第一篇文章，所以我不确定我是否违反了任何规则或遵循了正确的程序。希望答案对您有所帮助!)