SCCameraKitLensRepositorySpecificObserver

Objective-C

@protocol SCCameraKitLensRepositorySpecificObserver <NSObject>

Swift

protocol LensRepositorySpecificObserver : NSObjectProtocol

Allows conformers to be notified of changes to specific lenses in groups the repository has available.


                    
                    
                    -repository:didUpdateLens:forGroupID:

Notifies that an observed specific lens in a group has changed.

Declaration

Objective-C

- (void)repository:(nonnull id<SCCameraKitLensRepository>)repository
     didUpdateLens:(nonnull id<SCCameraKitLens>)lens
        forGroupID:(nonnull NSString *)groupID;

Parameters

`repository`	the CameraKit lens repository responsible for the update.
`lens`	the newly updated lens object.
`groupID`	the updated group ID.


                    
                    
                    -repository:didFailToUpdateLensID:forGroupID:error:

Notifies that an observed specific lens in a group has failed to be fetched.

Declaration

Objective-C

- (void)repository:(nonnull id<SCCameraKitLensRepository>)repository
    didFailToUpdateLensID:(nonnull NSString *)lensID
               forGroupID:(nonnull NSString *)groupID
                    error:(nullable NSError *)error;

Parameters

`repository`	the CameraKit lens repository responsible for the update.
`lensID`	the lens ID that failed to update.
`groupID`	the group ID that failed to update.
`error`	a detailed error message of what went wrong, if available.