ios - 在我的应用程序中访问 iCloud 联系人时导致 iOS 崩溃

Question

我想在我的应用程序中访问我的地址簿联系人，我能够成功地从我的地址簿中检索所有联系人，但是如果在我的 iPad 中同步我的 i-cloud 帐户，那么我的地址簿会从我的 i-cloud 更新联系人也，如果现在我访问我的联系人，它会导致崩溃。请帮助我，我完全被困住了不知道该怎么办。我可以轻松访问地址簿联系人，但是一旦它从 i-cloud 同步，然后我获取地址簿，它会导致崩溃并给我严重的错误。

这是我用来获取联系人的代码。

+(NSArray *)getAllContacts
{

    CFErrorRef *error = nil;


    ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, error);

    __block BOOL accessGranted = NO;
    if (ABAddressBookRequestAccessWithCompletion != NULL) { // we're on iOS 6
        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 { // we're on iOS 5 or older
        accessGranted = YES;
    }

    if (accessGranted) {

#ifdef DEBUG
        NSLog(@"Fetching contact info ----> ");
#endif


        ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, error);
        ABRecordRef source = ABAddressBookCopyDefaultSource(addressBook);
        CFArrayRef allPeople = ABAddressBookCopyArrayOfAllPeopleInSourceWithSortOrdering(addressBook, source, kABPersonSortByFirstName);
        CFIndex nPeople = ABAddressBookGetPersonCount(addressBook);
        NSMutableArray* items = [NSMutableArray arrayWithCapacity:nPeople];


        for (int i = 0; i < nPeople; i++)
        {
            MContact *contacts = [MContact new];

            ABRecordRef person = CFArrayGetValueAtIndex(allPeople, i);

            //get First Name and Last Name

            contacts.firstName = (__bridge NSString*)ABRecordCopyValue(person, kABPersonFirstNameProperty);

            contacts.lastName =  (__bridge NSString*)ABRecordCopyValue(person, kABPersonLastNameProperty);

            if (!contacts.firstName) {
                contacts.firstName = @"";
            }
            if (!contacts.lastName) {
                contacts.lastName = @"";
            }


            NSMutableArray *contactEmails = [NSMutableArray new];
            ABMultiValueRef multiEmails = ABRecordCopyValue(person, kABPersonEmailProperty);

            for (CFIndex i=0; i<ABMultiValueGetCount(multiEmails); i++) {
                CFStringRef contactEmailRef = ABMultiValueCopyValueAtIndex(multiEmails, i);
                NSString *contactEmail = (__bridge NSString *)contactEmailRef;

                [contactEmails addObject:contactEmail];
                // NSLog(@"All emails are:%@", contactEmails);

            }

            if([contactEmails count]==0){

            }
            else{
                [contacts setemails:contactEmails];
                [items addObject:contacts];

            }




#ifdef DEBUG
#endif




        }
        return items;



    } else {
#ifdef DEBUG
        NSLog(@"Cannot fetch Contacts :( ");
#endif
        return NO;


    }


}

Answer 1

您是否在您的代码中准确找到了崩溃追加的位置？如果它在您的“for (int i = 0; i < nPeople; i++)”循环中，可能是您只有 1 个联系人有问题...

PS 1，您应该删除第 7 行:....ABAddressBookCreateWithOptions，因为您需要先检查授权....

PS 2，你真的只需要来自默认来源的联系人吗？如果用户也有来自 Lotus Notes 或其他 gmail 的联系人怎么办....