Protocol

NSFileProviderChangeObserver

An observer that receives changes and deletions during enumeration.

Declaration

@protocol NSFileProviderChangeObserver

Topics

Observing Changes

- didDeleteItemsWithIdentifiers:

Tells the observer that the specified items have been deleted.

Required.

- didUpdateItems:

Tells the observer that the specified items have been updated.

Required.

- finishEnumeratingChangesUpToSyncAnchor:moreComing:

Tells the observer that all of the changes have been enumerated up to the specified sync anchor.

Required.

- finishEnumeratingWithError:

Tells the observer that an error occurred during change notification.

Required.

Relationships

Inherits From

See Also

Change Tracking

Tracking Your File Provider's Changes

Create an enumerator to track changes to your file provider's content.

NSFileProviderSyncAnchor

A synchronization point that represents the last batch of changes returned by the enumerator.