code: public final MediaStatus getMediaStatus() throws IOException {
          Application runningApp = getRunningApp();
          if (runningApp == null) {
              throw new ChromeCastException("No application is running in ChromeCast");
          }
          return channel().getMediaStatus(getTransportId(runningApp));
      }
docs: <p>If no application is running at the moment then exception is thrown.</p>
  
  @return current media status, state, time, playback rate, etc.
  @throws IOException