Android Volley Post String和Get JSONArray

Question

How I can post a string to a PHP web server and get JSONArray in response using Volley library in Android. Following is my code in which I want response. How I can post a string and get JSONArray in response using this function

See this code if it works

JsonArrayRequest(Method.POST,Config.VIEW_PROFILE_URL,
                new Response.Listener<JSONArray>() {
                    @Override
                    public void onResponse(JSONArray response) {
                        //calling method to parse json array
                        parseData(response);
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError arg0) {
                        // TODO Auto-generated method stub

                    }
                }){

            protected Map<String, String> getParams() throws AuthFailureError {
                Map<String, String> params = new HashMap<>();
                params.put("user_name", user);
                return params;
            }
        };
          MySingleton.getInstance(this).addToRequestQueue(jsonArrayRequest);
        }

//and receiving at server like

$username =$_POST["user_name"];

Answer 1

Follow this here link you can understand both parsing technique JSONArray and JSONObject .

Another thing is POST to server it's depend on your API , either using parameter and header or concat with URL with key-value by StringRequest.