sample.m

//
//  ViewController.m
//
//  Created by Jérome Freyre on 13.04.15.
//  Copyright (c) 2015 @jfreyre. All rights reserved.
//

#import "ViewController.h"
#import <AddressBook/AddressBook.h>

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // Do any additional setup after loading the view, typically from a nib.
}


- (void) ASimpleMethodOrAnIBAction {
    ABAddressBookRef addressBookRef = ABAddressBookCreateWithOptions(NULL, NULL);
    
    if (ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusNotDetermined) {
        ABAddressBookRequestAccessWithCompletion(addressBookRef, ^(bool granted, CFErrorRef error) {
            if (granted) {
                [self addContact];
            } else {
                NSLog(@"oups... %@", error);
            }
        });
    }
    else if (ABAddressBookGetAuthorizationStatus() == kABAuthorizationStatusAuthorized) {
        [self addContact];
    }
    else {
        NSLog(@"No way!!!");
    }
}

- (void) addContact {
    CFErrorRef error = NULL;
    NSLog(@"%@", [self description]);
    ABAddressBookRef iPhoneAddressBook = ABAddressBookCreateWithOptions(NULL, NULL);
    
    ABRecordRef newPerson = ABPersonCreate();
    
    ABRecordSetValue(newPerson, kABPersonFirstNameProperty, people.firstname, &error);
    ABRecordSetValue(newPerson, kABPersonLastNameProperty, people.lastname, &error);
    
    ABMutableMultiValueRef multiPhone =     ABMultiValueCreateMutable(kABMultiStringPropertyType);
    ABMultiValueAddValueAndLabel(multiPhone, people.phone, kABPersonPhoneMainLabel, NULL);
    ABMultiValueAddValueAndLabel(multiPhone, people.other, kABOtherLabel, NULL);
    ABRecordSetValue(newPerson, kABPersonPhoneProperty, multiPhone,nil);
    CFRelease(multiPhone);
    // ...
    // Set other properties
    // ...
    ABAddressBookAddRecord(iPhoneAddressBook, newPerson, &error);
    
    ABAddressBookSave(iPhoneAddressBook, &error);
    CFRelease(newPerson);
    CFRelease(iPhoneAddressBook);
    if (error != NULL)
    {
        CFStringRef errorDesc = CFErrorCopyDescription(error);
        NSLog(@"Contact not saved: %@", errorDesc);
        CFRelease(errorDesc);        
    }}

}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

extra brace at line 72?