i 目前,我正试图为我执行一个故事书。
我需要一种方法,在用户接手/接手/接手接触时更新我的核心数据。
我阅读了ABAddressBookRegisterExternalChangeCallback功能,这种功能有助于登记退约,但我不知道如何执行。 例如:
Im still new to objective c programming, can anyone provide a link or sample on how to implement it?
提前感谢!
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