Instance Method

addChildCollections(_:)

Add the specified collections as children of the collection list.

Declaration

func addChildCollections(_ collections: NSFastEnumeration)

Parameters

collections

An array of PHCollection objects (asset collections or other collection lists) to be added to the collection list.

Discussion

If you created the change request with a snapshot of the collection list’s contents using the init(for:childCollections:) method, Photos inserts the new children after the existing child collections in the collection list. Otherwise, the arrangement of the new children relative to others in the collection is undefined.

See Also

Modifying Collection Lists

init?(for: PHCollectionList)

Creates a request for modifying the specified collection list.

init?(for: PHCollectionList, childCollections: PHFetchResult<PHCollection>)

Creates a request for modifying the specified collection list, with a fetch result for tracking changes.

var title: String

The displayed name of the collection list.

func insertChildCollections(NSFastEnumeration, at: IndexSet)

Inserts the specified collections into the collection list at the specified indexes.

func removeChildCollections(NSFastEnumeration)

Removes the specified child collections from the collection list.

func removeChildCollections(at: IndexSet)

Removes the child collections at the specified indexes from the collection list.

func replaceChildCollections(at: IndexSet, withChildCollections: NSFastEnumeration)

Replaces the child collections at the specified indexes in the collection list with the specified collections.

func moveChildCollections(at: IndexSet, to: Int)

Moves the child collections at the specified indexes in the collection list to a new index.