Sending json object to server in android

Question

I am trying to send json to HTTP server with this JSON format:

{"deviceID":3852883413434, "depth":2,"location":{"xCord":46.232, "yCord":42.4421},"size":3}

and here is my code in android, but seems not working well.Maybe i need array for location or format my code.Any adivce could help thanks.

  JSONObject postData = new JSONObject();
    try {
        postData.put("deviceID", unique_id);
        postData.put("depth",((HoleSize)this.getApplication()).getDepth());
        postData.put("xCord",((HoleSize)this.getApplication()).getLattitude());
        postData.put("yCord",((HoleSize)this.getApplication()).getLongitude());
        postData.put("size", ((HoleSize) this.getApplication()).getSize());

        new SendData().execute("servername",postData.toString());
    } catch (JSONException e) {
        e.printStackTrace();
    }

What is the variable that store the json response? @IvanHristov — Jorgesys
– Jorgesys, Commented Apr 13, 2018 at 22:29
location "has no value" is a json object "location":{"xCord":46.232, "yCord":42.4421} — Jorgesys
– Jorgesys, Commented Apr 13, 2018 at 22:38
i have class that hold depth,size , xCord,Ycord but dont have object location. I should make object in class that has these two values and parse it to json? @Jorgesys — ihristov
– ihristov, Commented Apr 13, 2018 at 23:51
ok if you realy wants the object location you can get it with postData.get("location").toString() check my answer! — Jorgesys
– Jorgesys, Commented Apr 13, 2018 at 23:59

Jorgesys · Accepted Answer · 2018-04-13 23:59:06Z

Using the json response,

{"deviceID":3852883413434, "depth":2,"location":{"xCord":46.232, "yCord":42.4421},"size":3}

you must get the JSON Object to get the value of depth and size (contained in the same object) and then get the JSON Object of location to get the values of xCord, yCord:

      try {

            JSONObject postData = new JSONObject(response);

            String depth = postData.get("depth").toString();
            String size = postData.getInt("size").toString();

            JSONObject locationObject = new JSONObject(postData.get("location").toString());
            String xCord = locationObject.get("xCord").toString();
            String yCord = locationObject.get("yCord").toString();


        } catch (JSONException e) {
             e.printStackTrace();
        }

applying this to your code:

 try {
        JSONObject postData = new JSONObject(response);

        postData.put("deviceID", unique_id);
        postData.put("depth",postData.get("depth").toString());
        //postData.put("xCord", locationObject.get("xCord").toString());
        postData.put("location", postData.get("location").toString());
        postData.put("yCord",locationObject.get("yCord").toString());
        postData.put("size", postData.getInt("size").toString());

        new SendData().execute("servername",postData.toString());

    } catch (JSONException e) {
        e.printStackTrace();
    }

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