docs: private void initScreenShotSaver() {
  		if(screenShotSaverThread == null || screenShotSaver == null) {
  			screenShotSaverThread = new HandlerThread("ScreenShotSaver");
  			screenShotSaverThread.start();
  			screenShotSaver = new ScreenShotSaver(screenShotSaverThread);
  		}
  	}