private void asyncTaskWithInlineCallback() {

    // display UI message or indicators
    // ...
    new MyAsyncTask() {
        protected void onPostExecute(EgNetworkResult result) {
            // dismiss UI message or indicators
            // process the result
            // ...
        }
    }.execute(); // start the background processing

}

class MyAsyncTask extends AsyncTask<Void, Integer, Boolean> {
    @Override
    protected Boolean doInBackground(Void... arg0) {
        // do background processing and return the appropriate result
        // ...
    }
}