//DrawerActivity
    private void sendByod() {
        Preferences preferences = Preferences.getInstance(this);
        if (!preferences.getByodFlag()) {
            myService.registerByod();
            preferences.saveByodFlag();
        }
    }

    @Override
    protected void serviceEnabledNow() {
        super.serviceEnabledNow();
    //...
        if (BuildConfig.BYOD) {
            sendByod();
        }

    }