How to retrieve the address book content?

I want to ask an question about the objecti开发者_StackOverflow社区ve C iPhone application. In my application, I would like to retrieve the content of the (e,g name, phone, email address) in to my application. But I have no idea about what I need to do? Can anyone provide some information, library or link for my to study? Thank you very much.

You have to import the AddressBook.framework and/or the AddressBookUI.framework. See the Address Book Programming Guide for assistance. With these frameworks imported you can display an ABPeoplePickerNavigationController to retrieve an contact object for example.

Hope that helps
–f