CBLCameraPropertyObservation
Objective-C
@protocol CBLCameraPropertyObservation <NSObject>
Swift
protocol CameraPropertyObservation : NSObjectProtocol
An object for managing property value change notifications. When you add an observer to a property, store the returned
token somewhere in order to keep the observation alive. To remove the observation, you can simply remove all strong
references to its token, or explicitly call invalidate
on it.
-
Invalidate the observation. Will also be called on
dealloc
.Declaration
Objective-C
- (void)invalidate;
Swift
func invalidate()