@Override
  public void onDestroy() {

    // disconnect if we are connected
    if (subspace.isConnected()) {
      try {
        subspace.SSDisconnect();
      } catch (IOException ioe) {
        Log.e(TAG, Log.getStackTraceString(ioe));
      }
    }

    notification.cancel();

    // Tell the user we stopped.
    Toast.makeText(this, R.string.network_service_stopped, Toast.LENGTH_SHORT).show();
  }