start Whiteboard
Opens a shared whiteboard for the room. RoomEventListener.onWhiteboardStarted delivers the URL to load in a WebView.
See also
Throws
code 4056 (WHITEBOARD_OPERATION_IN_PROGRESS) when a start or stop is still running, or code 4054 (START_WHITEBOARD_FAILED) — or the server's own code — if the server refuses; a server refusal is also reported on RoomEventListener.onError.