ios备份通讯录

//添加到通讯录
 -(IBAction)addToContact
 {
     ABAddressBookRef iPhoneAddressBook = ABAddressBookCreate();        
     ABRecordRef newPerson = ABPersonCreate();
     CFErrorRef error = NULL; 
     ABRecordSetValue(newPerson, kABPersonFirstNameProperty, @"John", &error);
     ABRecordSetValue(newPerson, kABPersonLastNameProperty, @"Doe", &error);
     ABRecordSetValue(newPerson, kABPersonOrganizationProperty, @"Model Metrics", &error);
     ABRecordSetValue(newPerson, kABPersonJobTitleProperty, @"Senior Slacker", &error);
     
     //phone number
     ABMutableMultiValueRef multiPhone = ABMultiValueCreateMutable(kABMultiStringPropertyType);
     ABMultiValueAddValueAndLabel(multiPhone, @"1-555-555-5555", kABPersonPhoneMainLabel, NULL);
     ABMultiValueAddValueAndLabel(multiPhone, @"1-123-456-7890", kABPersonPhoneMobileLabel, NULL);            
     ABMultiValueAddValueAndLabel(multiPhone, @"1-987-654-3210", kABOtherLabel, NULL);        
     ABRecordSetValue(newPerson, kABPersonPhoneProperty, multiPhone,&error);
     CFRelease(multiPhone);
     
     //email
     ABMutableMultiValueRef multiEmail = ABMultiValueCreateMutable(kABMultiStringPropertyType);
     ABMultiValueAddValueAndLabel(multiEmail, @"[e-mail]", kABWorkLabel, NULL);
     ABRecordSetValue(newPerson, kABPersonEmailProperty, multiEmail, &error);
     CFRelease(multiEmail);
     
     //address
     ABMutableMultiValueRef multiAddress = ABMultiValueCreateMutable(kABMultiDictionaryPropertyType);        
     NSMutableDictionary *addressDictionary = [[NSMutableDictionary alloc] init];        
     [addressDictionary setObject:@"750 North Orleans Street, Ste 601" forKey:(NSString *) kABPersonAddressStreetKey];
     [addressDictionary setObject:@"Chicago" forKey:(NSString *)kABPersonAddressCityKey];
     [addressDictionary setObject:@"IL" forKey:(NSString *)kABPersonAddressStateKey];
     [addressDictionary setObject:@"60654" forKey:(NSString *)kABPersonAddressZIPKey];        
     ABMultiValueAddValueAndLabel(multiAddress, addressDictionary, kABWorkLabel, NULL);
     ABRecordSetValue(newPerson, kABPersonAddressProperty, multiAddress,&error);
     CFRelease(multiAddress);        
     
     ABAddressBookAddRecord(iPhoneAddressBook, newPerson, &error);
     ABAddressBookSave(iPhoneAddressBook, &error);
     if (error != NULL) 
     {                
         NSLog(@"Danger Will Robinson! Danger!");                
     }
 }