Created
September 11, 2011 19:08
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Objective-C Image for Contact in Address Book
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| @implementation Contacts | |
| + (UIImage *)imageForContactWithName:(NSString *)name { | |
| // Create a CF string reference from the NSString pointer | |
| CFStringRef cfName = objc_unretainedPointer(name); | |
| UIImage *personImage = nil; | |
| // Create a reference to the address book | |
| ABAddressBookRef addressBook = ABAddressBookCreate(); | |
| // Create a reference to an array of all the people that match the passed name string | |
| CFArrayRef people = ABAddressBookCopyPeopleWithName(addressBook, cfName); | |
| int num = CFArrayGetCount(people); | |
| // Create a reference to the first match if there was a match | |
| ABRecordRef person = (num > 0) ? CFArrayGetValueAtIndex(people, 0) : NULL; | |
| // If there was a matching contact and that contact had image data | |
| if (num > 0 && ABPersonHasImageData(person)) { | |
| // Have to use objc_unretainedObject for toll-free bridging in Xcode 4.3 w/ ARC | |
| CFDataRef imageData = ABPersonCopyImageData(person); | |
| NSData *personImageData = [NSData dataWithData:(NSData *)objc_unretainedObject(imageData)]; | |
| CFRelease(imageData); | |
| personImage = [UIImage imageWithData:personImageData]; | |
| } else if (num > 0) { | |
| // Contact existed but there was no image data | |
| personImage = [UIImage imageNamed:@"smile.png"]; | |
| } else { | |
| // Contact did not exist | |
| personImage = [UIImage imageNamed:@"frown.png"]; | |
| } | |
| CFRelease(addressBook); | |
| CFRelease(people); | |
| return personImage; | |
| } | |
| @end |
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