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After adding an entry in iPhone contacts successfully, now I want to restrict the application to add the same entry again. (As it makes another entry in iPhone Contacts with same data).
Any simple way to accomplish this? or any work around?
Unless I misunderstand what you’re trying to do, the simple solution would seem to be searching the contacts for the information that you’re about to add. If you find the same data, don’t add it again. If you find something similar, such as a contact with the same name, ask the user if they want to create another contact with that name or update the existing one.