gistfile1.txt

 AsyncHttpClient asyncHttpClient = new AsyncHttpClient();
    asyncHttpClient.prepareGet("http://hsasolutions.cloudapp.net/OptiCompraWS/OptiC/B/Opticompra.asmx/EntregaPrecios?pIdMuni=0&id_prod=339&pos_lat=0&pos_lon=0&Login_app=0&Password_app=0&pVers=0&pRadio=0").execute(new AsyncCompletionHandler(){

        @Override
        public Response onCompleted(Response response) throws Exception{
            // Do something with the Response
            // ...                                   `
            return response;
        }

        @Override
        public void onThrowable(Throwable t){
            // Something wrong happened.
        }
    });