ABAddressBookRegisterExternalChangeCallback 有效，但数据已过时

我的应用程序注册回调一次：

notificationAddressBook = ABAddressBookCreate();

ABAddressBookRegisterExternalChangeCallback(notificationAddressBook, MyAddressBookExternalChangeCallback, self);

然后在我的回调中：

void MyAddressBookExternalChangeCallback (ABAddressBookRef notifyAddressBook,CFDictionaryRef info,void *context)
{
     NSLog(@"in MyAddressBook External Change Callback");

     ABAddressBookRevert(notifyAddressBook);         

     CFArrayRef peopleRefs = ABAddressBookCopyArrayOfAllPeopleInSource(notifyAddressBook, kABSourceTypeLocal);

     CFIndex count = CFArrayGetCount(peopleRefs);
     NSMutableArray* people = [NSMutableArray arrayWithCapacity:count];
     for (CFIndex i=0; i < count; i++) {
        ABRecordRef ref = CFArrayGetValueAtIndex(peopleRefs, i);
        ABRecordID id_ = ABRecordGetRecordID(ref);
        TiContactsPerson* person = [[[TiContactsPerson alloc] _initWithPageContext:[context executionContext] recordId:id_ module:context] autorelease];
        NSLog(@"name: %@", [person valueForKey:@"firstName"]);
        NSLog(@"phone: %@", [person valueForKey:@"phone"]);
        NSLog(@"modified: %@", [person valueForKey:@"modified"]);
        [people addObject:person];
     } 

     CFRelease(peopleRefs);
}

添加新联系人时，事件触发正常，并且第一次添加、第二次和第三次添加时数据都是最新的。问题在于编辑现有联系人的详细信息。

第一次触发事件时，数据对于上次更新是正确的（我更改了 iPhone 联系人中一个联系人的电话号码），然后我切换到应用程序并获取最新更新。然后我切换回地址簿，进行另一项更改，切换到我的应用程序并获取另一个事件。这次的数据是陈旧的，没有反映最新的变化。

我尝试释放ABAddressBookRef实例和调用ABAddressBookCreate()再次但它也没有帮助。

有任何想法吗？

尝试重新创建 ABAddressBookRef。

    void MyAddressBookExternalChangeCallback (ABAddressBookRef notifyAddressBook,CFDictionaryRef info,void *context)
    {
         NSLog(@"in MyAddressBook External Change Callback");

         //ABAddressBookRevert(notifyAddressBook);
         notifyAddressBook = ABAddressBookCreate();

         CFArrayRef peopleRefs = ABAddressBookCopyArrayOfAllPeopleInSource(notifyAddressBook, kABSourceTypeLocal);

         CFIndex count = CFArrayGetCount(peopleRefs);
         NSMutableArray* people = [NSMutableArray arrayWithCapacity:count];
         for (CFIndex i=0; i < count; i++) {
            ABRecordRef ref = CFArrayGetValueAtIndex(peopleRefs, i);
            ABRecordID id_ = ABRecordGetRecordID(ref);
            TiContactsPerson* person = [[[TiContactsPerson alloc] _initWithPageContext:[context executionContext] recordId:id_ module:context] autorelease];
            NSLog(@"name: %@", [person valueForKey:@"firstName"]);
            NSLog(@"phone: %@", [person valueForKey:@"phone"]);
            NSLog(@"modified: %@", [person valueForKey:@"modified"]);
            [people addObject:person];
         } 

         CFRelease(peopleRefs);    
    }