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UIViewController subclass that lets you fullscreen an UIImageView. Assuming self is your UIViewController subclass and imageView is the UIImageView you want to fullscreen. Just do:
GGFullscreenImageViewController *vc = [[GGFullscreenImageViewController alloc] init];
vc.liftedImageView = imageView;
[self presentViewController:vc animated:YES completion:nil];
You can optionally set supportedOrientations on GGFullscreenImageViewController. By default, GGFullscreenImageViewController supports all orientations defined in your info-plist. GGFullscreenImageViewController also provides a UIScrollView to allow zooming.