@Override
  public void onDestroy() {
    // hue SDKの後始末
    PHHueSDK hueSDK = PHHueSDK.getInstance();
    hueSDK.getNotificationManager().unregisterSDKListener(mPhListener);
    hueSDK.disableAllHeartbeat();

    PHBridge bridge = hueSDK.getSelectedBridge();
    if (bridge != null) {
      hueSDK.disconnect(bridge);
    }
    super.onDestroy();
  }
  @Override
  public void onDestroy() {
    super.onDestroy();

    mFileDataManager.stopTimer();
  }