post

public void postData(String relay, String status) {
        RequestQueue requestQueue = Volley.newRequestQueue(getContext());
        // Enter the correct url for your api service site
        try {
            JSONObject object = new JSONObject("{}");
            //input your API parameters
            object.put("relay",relay);
            object.put("status",status);
            object.put("sn",sn);
            JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.POST, "http://"+server+"/relay", object,
                    new Response.Listener<JSONObject>() {
                        @Override
                        public void onResponse(JSONObject response) {
                            Log.e(" POST", "Message: "+response.toString());
                            try {

                            } catch (Exception e){

                            }
                        }
                    }, new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {
                    Log.e("ErrorPOST", "Message: "+error.toString());
                }
            });
            requestQueue.add(jsonObjectRequest);
        } catch (Exception e) {
            e.printStackTrace();
            Log.e("Catch POST", e.toString());
        }
    }