ios save image to album

- (void)savePhotoToAlbum

{

ZoomScrollView *zoomScrollView = (ZoomScrollView*)[self.scrollView
viewWithTag:BEGIN_TAG_FOR_IMAGE+self.currentImagePage];

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,
0), ^{

UIImageWriteToSavedPhotosAlbum(zoomScrollView.imageView.image,
self, @selector(image:didFinishSavingWithError:contextInfo:),
nil);

});

}

- (void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo

{

if (error == NULL) {

dispatch_async(dispatch_get_main_queue(), ^{

//////////////

});

}

else {

//////////////////////////////////////

}

}