Procedure
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BlackBerry smartphone applications can make use of contacts stored in the Address Book. The following sample application gives a listing of all contacts in the Address Book and then displays all information for a selected contact.
Note: This example uses the BlackBerryContact interface that is an extension of Contact. It is possible to use the Contact interface if you do not require access to any BlackBerry smartphone specific fields that include four user-defined fields (string values) and a personal identification number (PIN) field (hexadecimal number).
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