Synopsis
Array<String> findMediaControlSubscribers()
Parameters
None.
Returns
Returns an Array of String(s) which is the list of instanceIds identifying remote devices that subscribe to media transport control messages.
Returns null when no remote devices subscribe to media transport control messages.
Description
Helper method to find all subscribers to media control state changes. Get all instance IDs of connected devices that are subscribed to media transport control messages. If a device is currently in a disconnected state, it is not included in the array.