구글플레이서비스 adid가져오기

Question

 

private class GoogleAppIdTask extends AsyncTask<Void, Void, String> {
        protected String doInBackground(final Void... params) {
            String adId = null;
            try {
                adId = AdvertisingIdClient.getAdvertisingIdInfo(getApplicationContext()).getId();
                Log.d("Debugadid","adid : " + adId);
            } catch (IllegalStateException ex) {
                ex.printStackTrace();
                Log.e("Erroradid","IllegalStateException");
            } catch (GooglePlayServicesRepairableException ex) {
                ex.printStackTrace();
                Log.e("Erroradid","GooglePlayServicesRepairableException");
            } catch (IOException ex) {
                ex.printStackTrace();
                Log.e("Erroradid","IOException");
            } catch (GooglePlayServicesNotAvailableException ex) {
                ex.printStackTrace();
                Log.e("Erroradid","GooglePlayServicesNotAvailableException");
            }
            return adId;
        }

        protected void onPostExecute(String adId) {
            //TODO::Ad ID를 이용한 작업 수행
            deviceid=adId;
        }
    }

출처:http://dktfrmaster.blogspot.com/2016/11/id.html

GoogleAppIdTask를 어디서 실행시키면 되는건가요??

제가 deviceid에 adid를 넣고싶은데 저렇게 하고서 GoogleAppIdTask만 어디선가 실행시키면 되는건가요?