private class  DatabaseLoaderTask extends AsyncTask<Void, Void, Void> {

        TextView testText;
        TacticsEntity content = new TacticsEntity();

        @Override
        protected void onPreExecute() {
            testText = (TextView) findViewById(R.id.textView);
        }

        @Override
        protected Void doInBackground(Void... urls) {
            RestTemplate restTemplate = new RestTemplate();
            content = restTemplate.getForObject("http://192.168.0.105:8080/SpringMVCApp/api/tactics", TacticsEntity.class);
            runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    testText.setText(content.getId());
                }
            });
            return null;
        }
    }