@Override
    public boolean onPreDraw() {

      if (updates-- <= 0) {
        target.getViewTreeObserver().removeOnPreDrawListener(this);
        Log.d("Remote display", "PreDrawListener remove from listerners");
        return true;
      } else {

        // RFBServerImpl.host.runOnUiThread(
        Thread t =
            new Thread() {

              @Override
              public void run() {
                updateForView(client, target);
              }
            };
        t.setPriority(Thread.MIN_PRIORITY);
        t.setName("update for view thread");
        t.start();
      }

      return true;
    }