/**
   * Set the volume on the media
   *
   * @param level
   * @param callbackContext
   * @return
   */
  public boolean setMediaVolume(Double level, CallbackContext callbackContext) {
    if (currentSession != null) {
      currentSession.mediaSetVolume(level, genericCallback(callbackContext));
    } else {
      callbackContext.error("session_error");
    }

    return true;
  }