fetchMoments(inMomentList:options:)
Retrieves asset collections in the specified moment list collection.
Declaration
class func fetchMoments(inMomentList momentList: PHCollectionList, options: PHFetchOptions?) -> PHFetchResult<PHAssetCollection>Parameters
- momentList:
A collection list whose type is Momentlist.
- options:
Options that specify a filter predicate and sort order for the fetched asset collections, or
nilto use default options. For details, see Phfetchoptions.
Return Value
A fetch result that contains the requested PHAssetCollection objects, or an empty fetch result if no objects match the request.
Discussion
The Photos app automatically creates moments to group assets by time and location, and also creates moment lists to group related moments. Moment lists have two subtypes: a moment cluster groups a few related moments, and a moment year groups all moments in a calendar year.