- (IBAction)showPicker:(id)sender {

ABPeoplePickerNavigationController *picker = [[ABPeoplePickerNavigationController alloc] init];
picker.peoplePickerDelegate = self;

[self presentViewController:picker animated:YES completion:nil];
}

- (BOOL)peoplePickerNavigationController:
(ABPeoplePickerNavigationController *)peoplePicker
  shouldContinueAfterSelectingPerson:(ABRecordRef)person {

[self displayPerson:person];
[self dismissViewControllerAnimated:YES completion:nil];

return NO;
}
- (BOOL)peoplePickerNavigationController:
(ABPeoplePickerNavigationController *)peoplePicker
  shouldContinueAfterSelectingPerson:(ABRecordRef)person
                            property:(ABPropertyID)property
                          identifier:(ABMultiValueIdentifier)identifier
{
return NO;
}
- (void)displayPerson:(ABRecordRef)person
{
NSString* name = (__bridge_transfer NSString*)ABRecordCopyValue(person,
                                                                    kABPersonFirstNameProperty);
self.firstName.text = name;

NSString* phone = nil;
ABMultiValueRef phoneNumbers = ABRecordCopyValue(person,
                                                 kABPersonPhoneProperty);
if (ABMultiValueGetCount(phoneNumbers) > 0) {
    phone = (__bridge_transfer NSString*)
    ABMultiValueCopyValueAtIndex(phoneNumbers, 0);
} else {
    phone = @"[None]";
}
self.phoneNumber.text = phone;
CFRelease(phoneNumbers);

}