How to use Crouton.makeText in AsyncTask

[NMelis]

private class TestTask extends AsyncTask<Object, String, Boolean> {
        @Override
        protected Boolean doInBackground(Object... objects) {
            //....
            return true;
        }

        @Override
        protected void onPostExecute(Boolean aBoolean) {
            //....
            Crouton.makeText(??, "Some text", Style.ALERT).show();
    }