How to edit the existing contacts programmatically in iPhone - iphone

Question

I want to edit the contact list programatically.is there any API's available for this.....

Answer 1

-(void)showPersonViewController:(NSString *)nameInContact
{
// Fetch the address book
ABAddressBookRef addressBook = ABAddressBookCreate();
// Search for the person in the address book
NSArray *people = (NSArray *)ABAddressBookCopyPeopleWithName(addressBook, CFSTR(nameInContact));
// Display the information if found in the address book
if ((people != nil) && [people count])
{
ABRecordRef person = (ABRecordRef)[people objectAtIndex:0];
ABPersonViewController *picker = [[[ABPersonViewController alloc] init] autorelease];
picker.personViewDelegate = self;
picker.displayedPerson = person;
// Allow users to edit the person’s information
picker.allowsEditing = YES;
[self.navigationController pushViewController:picker animated:YES];
}
else
{
// Show an alert if the person is not in Contacts
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:#"Error"
message:[NSString stringWithFormat:#"Could not find %# in the Contacts application", nameInContact]
delegate:nil
cancelButtonTitle:#"Cancel"
otherButtonTitles:nil];
[alert show];
[alert release];
}
[people release];
CFRelease(addressBook);
}

Answer 2

You can access the contacts programmatically and edit them using ABAddressBook.framework.
You can find documentation here:
http://developer.apple.com/library/mac/#documentation/userexperience/Reference/AddressBook/Classes/ABAddressBook_Class/Reference/Reference.html
and programming guide here:
http://developer.apple.com/library/ios/#documentation/ContactData/Conceptual/AddressBookProgrammingGuideforiPhone/Introduction.html