I'm trying to wrap my head around this and see if it is possible to work.
Using the Apple PUSH server notifications, would it be possible to send a vcard, and make the application save it in the address book? If this is not possible, is there an alternative way this could be done?
Thanks!
Well I think you can do this. Just send a push notification and use the userInfo part to tell the app about the VCard. i don't kown if the userInfo can fit an full VCard, but you could all ways send some kind of ID with the push notification and just retrieve it from a server via the ID.
Then use ABPerson to insert the VCard: http://developer.apple.com/library/ios/#documentation/AddressBook/Reference/ABPersonRef_iPhoneOS/Reference/reference.html
I think you will have to parse the VCard your self.
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