private void postRequest(){

        JsonObjectRequest postObjectRequest = new JsonObjectRequest(Method.POST,

                "http://192.168.199.18:8080/myhos/query",

                null,

                new Response.Listener<JSONObject>() {

                    @Override

                    public void onResponse(JSONObject response) {

                        Log.i("Response:", response.toString());

                    }

                },

                new Response.ErrorListener() {

                    @Override

                    public void onErrorResponse(VolleyError error) {

                        Log.i("Error:", error.getMessage(), error);

                    }

                }){

                @Override

                protected Map<String, String> getParams() throws AuthFailureError {

                    Map<String, String> map = new HashMap<String, String>();

                    map.put("qid", "446");

                    map.put("count", "10");

                    map.put("page", "1");

                    return map;

            }

        };

        mQueue.add(postObjectRequest);

    }