If other components in an app respond to the shake and are further up the responder chain from UIViewController they won't receive the events as they are consumed within the UIViewController extension in WHBaseViewController. Passing the event up allows those responders to handle the event as required.
If other components in an app respond to the shake and are further up the responder chain from
UIViewController
they won't receive the events as they are consumed within theUIViewController
extension inWHBaseViewController
. Passing the event up allows those responders to handle the event as required.