@interface IWViewController ()      @end      @implementation IWViewController      - (void)viewDidLoad  {      [super viewDidLoad];            for (int i = 0; i<9; i++) {          NSString *file = [NSString stringWithFormat:@"/Users/aplle/Desktop/images/%d.jpg", i];                    UIImage *image = [UIImage imageWithContentsOfFile:file];          UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil);      }        }    @end