Why Address Book Support Is Important
When developing iOS software, you are running in an environment alongside your user’s mobile life. Users carry their mobile devices everywhere, and with these devices a considerable amount of their personal lives is intertwined with each device, from their daily calendar to personal photo albums. Paramount to this mobile life is the user’s contact information. This data has been collected over long periods, often on several devices, by a user and contains information about the user’s family, business, and social life.
An app can use a contact database to determine whether the user already has friends signed up for a service by parsing through a list of their email addresses or phone numbers to automatically ...
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