addObserver method

void addObserver()

Implementation

void addObserver() {
  observer = TUIRoomObserver(
    onAllUserMicrophoneDisableChanged: (roomId, isDisable) {
      isAllMute.value = isDisable;
    },
    onAllUserCameraDisableChanged: (roomId, isDisable) {
      isAllCameraDisable.value = isDisable;
    },
  );
  _engineManager.addObserver(observer);
}