mediaGroups(forIdentifiers:)
Returns the media groups with the specified identifiers.
Declaration
func mediaGroups(forIdentifiers mediaGroupIdentifiers: [String]) -> [String : MLMediaGroup]Parameters
- mediaGroupIdentifiers:
An array of media group identifiers to search for in the source.
Return Value
A dictionary of media groups matching the specified identifiers.
Discussion
The media source must have finished loading before this method returns valid data. Specifically, the root media group must be available before the lookup methods will succeed. Otherwise, the return value is undefined.