How to get contacts detail of iphone and make CSV file of that contact

I want to get contact details in an iPhone with information like First Name, Last Name, Phone Number, Phone Number Type, Email Address, Email Address Type etc..

Can anyone help me with that?

I want to make a .csv file out of the contact details in a particular iPhone. I want to fetch iPhone address book data.

Following is the code to get all informations of iPhone contact book...

    -(void)collectContacts
    {
        NSMutableDictionary *myAddressBook = [[NSMutableDictionary alloc] init];
        ABAddressBookRef addressBook = ABAddressBookCreate();
        CFArrayRef people  = ABAddressBookCopyArrayOfAllPeople(addressBook);
        for(int i = 0;i<ABAddressBookGetPersonCount(addressBook);i++)
        {
            ABRecordRef ref = CFArrayGetValueAtIndex(people, i);

            // Get First name, Last name, Prefix, Suffix, Job title 
            NSString *firstName = (NSString *)ABRecordCopyValue(ref,kABPersonFirstNameProperty);
            NSString *lastName = (NSString *)ABRecordCopyValue(ref,kABPersonLastNameProperty);
            NSString *prefix = (NSString *)ABRecordCopyValue(ref,kABPersonPrefixProperty);
            NSString *suffix = (NSString *)ABRecordCopyValue(ref,kABPersonSuffixProperty);
            NSString *jobTitle = (NSString *)ABRecordCopyValue(ref,kABPersonJobTitleProperty);

            [myAddressBook setObject:firstName forKey:@"firstName"];
            [myAddressBook setObject:lastName forKey:@"lastName"];
            [myAddressBook setObject:prefix forKey:@"prefix"];
            [myAddressBook setObject:suffix forKey:@"suffix"];
            [myAddressBook setObject:jobTitle forKey:@"jobTitle"];

            NSMutableArray *arPhone = [[NSMutableArray alloc] init];
            ABMultiValueRef phones = ABRecordCopyValue(ref, kABPersonPhoneProperty);
            for(CFIndex j = 0; j < ABMultiValueGetCount(phones); j++)
            {       
                CFStringRef phoneNumberRef = ABMultiValueCopyValueAtIndex(phones, j);   
                NSString *phoneLabel =(NSString*) ABAddressBookCopyLocalizedLabel (ABMultiValueCopyLabelAtIndex(phones, j));
                NSString *phoneNumber = (NSString *)phoneNumberRef; 
                NSMutableDictionary *temp = [[NSMutableDictionary alloc] init];
                [temp setObject:phoneNumber forKey:@"phoneNumber"];
                [temp setObject:phoneLabel forKey:@"phoneNumber"];
                [arPhone addObject:temp];
                [temp release];
            }
            [myAddressBook setObject:arPhone forKey:@"Phone"];
            [arPhone release];            

            CFStringRef address;
            CFStringRef label;
            ABMutableMultiValueRef multi = ABRecordCopyValue(ref, kABPersonAddressProperty);    
            for (CFIndex i = 0; i < ABMultiValueGetCount(multi); i++) 
            {           
                label = ABMultiValueCopyLabelAtIndex(multi, i);
                CFStringRef readableLabel = ABAddressBookCopyLocalizedLabel(label);             
                address = ABMultiValueCopyValueAtIndex(multi, i);   
                CFRelease(address);
                CFRelease(label);
            } 

            ABMultiValueRef emails = ABRecordCopyValue(ref, kABPersonEmailProperty);
            NSMutableArray *arEmail = [[NSMutableArray alloc] init];
            for(CFIndex idx = 0; idx < ABMultiValueGetCount(emails); idx++)
            {
                CFStringRef emailRef = ABMultiValueCopyValueAtIndex(emails, idx);
                NSString *strLbl = (NSString*) ABAddressBookCopyLocalizedLabel (ABMultiValueCopyLabelAtIndex (emails, idx));
                NSString *strEmail_old = (NSString*)emailRef;
                NSMutableDictionary *temp = [[NSMutableDictionary alloc] init];
                [temp setObject:strEmail_old forKey:@"strEmail_old"];
                [temp setObject:strLbl forKey:@"strLbl"];
                [arEmail addObject:temp];
                [temp release];
            }
            [myAddressBook setObject:arEmail forKey:@"Email"];
            [arEmail release];
        }
        [self createCSV:myAddressBook];
    }

    -(void) createCSV :(NSMutableDictionary*)arAddressData
    {   
        NSMutableString *stringToWrite = [[NSMutableString alloc] init];
        [stringToWrite appendString:[NSString stringWithFormat:@"%@,",[arAddressData valueForKey:@"firstName"]]];
        [stringToWrite appendString:[NSString stringWithFormat:@"%@,",[arAddressData valueForKey:@"lastName"]]];
        [stringToWrite appendString:[NSString stringWithFormat:@"%@,",[arAddressData valueForKey:@"jobTitle"]]];
        //[stringToWrite appendString:@"fname, lname, title, company, phonetype1, value1,phonetype2,value,phonetype3,value3phonetype4,value4,phonetype5,value5,phonetype6,value6,phonetype7,value7,phonetype8,value8,phonetype9,value9,phonetype10,value10,email1type,email1value,email2type,email2value,email3type,email3‌​value,email4type,email4value,email5type,email5value,website1,webs‌​ite2,website3"]; 
        NSMutableArray *arPhone = (NSMutableArray*) [arAddressData valueForKey:@"Phone"];
        for(int i = 0 ;i<[arPhone count];i++)
        {
            NSMutableDictionary *temp = (NSMutableDictionary*) [arPhone objectAtIndex:i];
            [stringToWrite appendString:[NSString stringWithFormat:@"%@,",[temp valueForKey:@"phoneNumber"]]];
            [stringToWrite appendString:[NSString stringWithFormat:@"%@,",[temp valueForKey:@"phoneNumber"]]];
            [temp release];
        }
        NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);
        NSString *documentDirectory=[paths objectAtIndex:0];
        NSString *strBackupFileLocation = [NSString stringWithFormat:@"%@/%@", documentDirectory,@"ContactList.csv"];
        [stringToWrite writeToFile:strBackupFileLocation atomically:YES encoding:NSUTF8StringEncoding error:nil];
    }