ALAssetPropertyDuration
The key to retrieve the play time duration of a video asset.
Declaration
let ALAssetPropertyDuration: StringDiscussion
The corresponding value is a double wrapped in an NSNumber object. For photos, ALErrorInvalidProperty is returned.
See Also
Constants
ALAssetLibraryDeletedAssetGroupsKeyALAssetLibraryInsertedAssetGroupsKeyALAssetLibraryUpdatedAssetGroupsKeyALAssetLibraryUpdatedAssetsKeyALAssetPropertyAssetURLALAssetPropertyDateALAssetPropertyLocationALAssetPropertyOrientationALAssetPropertyRepresentationsALAssetPropertyTypeALAssetPropertyURLsALAssetTypePhotoALAssetTypeUnknownALAssetTypeVideoALAssetsGroupPropertyName