private boolean isServiceRunning() {
	    ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
	    for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
	        if ("com.baixun.os".equals(service.service.getClassName())) {
	            return true;
	        }
	    }
	    return false;
	}