Fetch Contacts (Address Book)

-(void)getAllContacts
{

    CFErrorRef *error = nil;
    ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, error);

    __block BOOL accessGranted = NO;
    if (ABAddressBookRequestAccessWithCompletion != NULL) { // we're on iOS 6
        dispatch_semaphore_t sema = dispatch_semaphore_create(0);
        ABAddressBookRequestAccessWithCompletion(addressBook, ^(bool granted, CFErrorRef error) {
            accessGranted = granted;
            dispatch_semaphore_signal(sema);
        });
        dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);

    }
    else { // we're on iOS 5 or older
        accessGranted = YES;
    }

    if (accessGranted) {


        NSLog(@"Fetching contact info ----> ");

        ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, error);
        ABRecordRef source = ABAddressBookCopyDefaultSource(addressBook);
        CFArrayRef allPeople = ABAddressBookCopyArrayOfAllPeopleInSourceWithSortOrdering(addressBook, source, kABPersonSortByFirstName);
        CFIndex nPeople = ABAddressBookGetPersonCount(addressBook);

        for (int i = 0; i < nPeople; i++)
        {

            ABRecordRef person = CFArrayGetValueAtIndex(allPeople, i);

            //get First Name and Last Name

            NSString *firstName =(__bridge NSString*)ABRecordCopyValue(person, kABPersonFirstNameProperty);

            NSString *lastName = (__bridge NSString*)ABRecordCopyValue(person, kABPersonLastNameProperty);

            NSLog(@"First name = %@ Last name = %@",firstName,lastName);

           //get Phone Numbers;

            ABMultiValueRef multiPhones = ABRecordCopyValue(person, kABPersonPhoneProperty);
            for(CFIndex i=0;i<ABMultiValueGetCount(multiPhones);i++) {

                CFStringRef phoneNumberRef = ABMultiValueCopyValueAtIndex(multiPhones, i);
                NSString *phoneNumber = (__bridge NSString *) phoneNumberRef;

                NSLog(@"Phone number = %@",phoneNumber);
            }

            // get contacts picture, if pic doesn't exists, show standart one

            NSData  *imgData = (__bridge NSData *)ABPersonCopyImageData(person);

            NSLog(@"Image data= %@",imgData);


            //get Contact email

            ABMultiValueRef multiEmails = ABRecordCopyValue(person, kABPersonEmailProperty);

            for (CFIndex i=0; i<ABMultiValueGetCount(multiEmails); i++) {
                CFStringRef contactEmailRef = ABMultiValueCopyValueAtIndex(multiEmails, i);
                NSString *contactEmail = (__bridge NSString *)contactEmailRef;

                 NSLog(@"emails =%@", contactEmail);

            }

        }


    } else {

        NSLog(@"Cannot fetch Contacts :( ");


    }

}