assetCollectionSubtype为一下结构体。
typedef NS_ENUM(NSInteger, PHAssetCollectionType) {
PHAssetCollectionTypeAlbum = 1,///这是里对应的 PHAssetCollectionSubtype 用户自定义的相册文件也在其subtype
PHAssetCollectionTypeSmartAlbum = 2,///对应的为系统里的相册文件 下面的200- 211等都为其subtype
PHAssetCollectionTypeMoment = 3,
} NS_ENUM_AVAILABLE_IOS(8_0);
typedef NS_ENUM(NSInteger, PHAssetCollectionSubtype) {
// PHAssetCollectionTypeAlbum regular subtypes
PHAssetCollectionSubtypeAlbumRegular = 2,///
PHAssetCollectionSubtypeAlbumSyncedEvent = 3,
PHAssetCollectionSubtypeAlbumSyncedFaces = 4,面孔
PHAssetCollectionSubtypeAlbumSyncedAlbum = 5,
PHAssetCollectionSubtypeAlbumImported = 6,
// PHAssetCollectionTypeAlbum shared subtypes
PHAssetCollectionSubtypeAlbumMyPhotoStream = 100,///
PHAssetCol