AVKit Changes for Objective-C AVKit AVError.h (Added) Added AVKitError Added AVKitErrorDomain Added AVKitErrorPictureInPictureStartFailed Added AVKitErrorUnknown AVPictureInPictureController.h (Added) Added AVPictureInPictureController Added AVPictureInPictureController.delegate Added -[AVPictureInPictureController initWithPlayerLayer:] Added +[AVPictureInPictureController isPictureInPictureSupported] Added AVPictureInPictureController.pictureInPictureActive Added +[AVPictureInPictureController pictureInPictureButtonStartImageCompatibleWithTraitCollection:] Added +[AVPictureInPictureController pictureInPictureButtonStopImageCompatibleWithTraitCollection:] Added AVPictureInPictureController.pictureInPicturePossible Added AVPictureInPictureController.pictureInPictureSuspended Added AVPictureInPictureController.playerLayer Added -[AVPictureInPictureController startPictureInPicture] Added -[AVPictureInPictureController stopPictureInPicture] Added AVPictureInPictureControllerDelegate Added -[AVPictureInPictureControllerDelegate pictureInPictureController:failedToStartPictureInPictureWithError:] Added -[AVPictureInPictureControllerDelegate pictureInPictureController:restoreUserInterfaceForPictureInPictureStopWithCompletionHandler:] Added -[AVPictureInPictureControllerDelegate pictureInPictureControllerDidStartPictureInPicture:] Added -[AVPictureInPictureControllerDelegate pictureInPictureControllerDidStopPictureInPicture:] Added -[AVPictureInPictureControllerDelegate pictureInPictureControllerWillStartPictureInPicture:] Added -[AVPictureInPictureControllerDelegate pictureInPictureControllerWillStopPictureInPicture:] AVPlayerViewController.h Added AVPlayerViewController.allowsPictureInPicturePlayback Added AVPlayerViewController.delegate Added AVPlayerViewControllerDelegate Added -[AVPlayerViewControllerDelegate playerViewController:failedToStartPictureInPictureWithError:] Added -[AVPlayerViewControllerDelegate playerViewController:restoreUserInterfaceForPictureInPictureStopWithCompletionHandler:] Added -[AVPlayerViewControllerDelegate playerViewControllerDidStartPictureInPicture:] Added -[AVPlayerViewControllerDelegate playerViewControllerDidStopPictureInPicture:] Added -[AVPlayerViewControllerDelegate playerViewControllerShouldAutomaticallyDismissAtPictureInPictureStart:] Added -[AVPlayerViewControllerDelegate playerViewControllerWillStartPictureInPicture:] Added -[AVPlayerViewControllerDelegate playerViewControllerWillStopPictureInPicture:]