Add new contact in address book

    CFErrorRef error = NULL;

    ABAddressBookRef iPhoneAddressBook = ABAddressBookCreate();

    ABRecordRef newPerson = ABPersonCreate();

    ABRecordSetValue(newPerson, kABPersonFirstNameProperty,@"Davis", &error);

    ABRecordSetValue(newPerson, kABPersonLastNameProperty, @"Scott", &error);

    

    

    //Add my phone number

    ABMutableMultiValueRef PhoneVar = ABMultiValueCreateMutable(kABMultiStringPropertyType);

    ABMultiValueAddValueAndLabel(PhoneVar,valueForKey:@"6176352360", kABPersonPhoneMainLabel, NULL);

    ABRecordSetValue(newPerson, kABPersonPhoneProperty, PhoneVar,nil);

    CFRelease(PhoneVar);

    

    

    //Add my email address

    ABMutableMultiValueRef EmailVar = ABMultiValueCreateMutable(kABMultiStringPropertyType);

    ABMultiValueAddValueAndLabel(EmailVar,@"d.scott@hotmail.com" , kABWorkLabel, NULL);

    ABRecordSetValue(newPerson, kABPersonEmailProperty, EmailVar,nil);

    CFRelease(EmailVar);

    

   

    //Add my mailing address

    ABMutableMultiValueRef Address = ABMultiValueCreateMutable(kABMultiDictionaryPropertyType);

    NSMutableDictionary *addressDict = [[NSMutableDictionary alloc] init];

    [addressDictionary setObject:streetString forKey:(NSString *) kABPersonAddressStreetKey];

    [addressDictionary setObject:@"Boston" forKey:(NSString *)kABPersonAddressCityKey];

    [addressDictionary setObject:@"02124" forKey:(NSString *)kABPersonAddressZIPKey];

    [addressDictionary setObject:@"US" forKey:(NSString *)kABPersonAddressCountryKey];

    ABMultiValueAddValueAndLabel(Address, addressDict, kABWorkLabel, NULL);

    ABRecordSetValue(newPerson, kABPersonAddressProperty, Address,&error);

    CFRelease(Address);

    

    //Finally saving the contact in the address book

    ABAddressBookAddRecord(iPhoneAddressBook, newPerson, &error);

    ABAddressBookSave(iPhoneAddressBook, &error);

    if (error != NULL) 

    {

        NSLog(@"Saving contact failed.");

    }

    NSLog(@"Contact saved.");