ABPeoplePicker crashing sometimes with sandbox issue

Hi,
I'm using ABPeoplePicker to retrieve contacts and their number from the addressbook for adding persons to my view.
The problem is that sometimes the ABPeoplePicker crashes with this error:

unknown sandboxd[4537] : MyApplication(4533) deny file-write* /private/var/mobile/Applications/34C53A3F-82BE-4001-B520- 2B55D0C90624/Library/Preferences/com.apple.PeoplePicker.plist

The code doesn't crash every time, only sometimes when selecting a person, and then selecting the number.
This is testen on iOs 4.1

Here is my code:

 -(void)showAddressBook
 {
  [[self navigationController] popViewControllerAnimated:YES];
  ABPeoplePickerNavigationController *picker = [[ABPeoplePickerNavigationController alloc] init];
     picker.peoplePickerDelegate = self;
  NSArray *displayedItems = [NSArray arrayWithObjects:[NSNumber numberWithInt:kABPersonPhoneProperty], nil];
  picker.displayedProperties = displayedItems;
  [self presentModalViewController:picker animated:YES];
     [picker release]; 
 }


 -(void) peoplePickerNavigationControllerDidCancel:(ABPeoplePickerNavigationController *)peoplePicker {<br>
     [self dismissModalViewControllerAnimated:YES];
 }

 - (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person {
  return YES;
 }

 -(BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *)peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier {

  ABMultiValueRef phoneProperty = ABRecordCopyValue(person,property);
  CFStringRef ph = ABMultiValueCopyValueAtIndex(phoneProperty,identifier);
  CFStringRef fn = ABRecordCopyValue(person, kABPersonFirstNameProperty);
  CFStringRef ln = ABRecordCopyValue(person, kABPersonLastNameProperty);

  NSString *firstName = [NSString stringWithFormat:@"%@", fn];
  NSString *lastName = [NSString stringWithFormat:@"%@", ln];
  NSString *personNumber =  [NSString stringWithFormat:@"%@", ph];

  CFRelease(fn);
  CFRelease(ln);
  CFRelease(ph);
  CFRelease(phoneProperty);

  Person *participantPerson = [Person createPersonWithNumber:personNumber AndFirstName:firstName AndLastName:lastName];
  [contentViewController addPerson:participantPerson];

  [self dismissModalViewControllerAnimated:YES];
  return NO;
 }

I can't see what I'm doing wrong or where I'm trying to write to PeoplePicker.plist. Been trying to figure this out for a long time, am a bit stuck. Anyone have an idea about what could be wrong, please?

ansaurus

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ABPeoplePicker crashing sometimes with sandbox issue

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