我想检测 ios 中任何地方以编程方式对联系人所做的更改

I want to Detect The changes in Contact made from anywhere programmatically in ios

" 您好,先生,我正在开发一个 iOS 应用程序(基于 client/server),在获得用户许可后,我正在访问用户联系人列表(地址簿)以进行同步它与 Server.Right 现在我一直在做应用程序 lunch.But 我只想在我的应用程序在用户联系人列表(地址簿)中收到通知更改时同步我的联系人“

"After a lots of Searching i got that,ABAddressBookRegisterExternalChangeCallback can help me ,but please someone tell me how i use it in my code,i mean the implementation of ABAddressBookRegisterExternalChangeCallback in actual code"

请找到我的答案here which worked for me。这可能需要一些改进,但它确实有效。