How to parse nested json array using Volley library?

Question

I am new to android. I don't know this type of parsing. I want to bind this in Recyclerview

Responce Json

{
    "error": true,
    "callcount": {
        "1": {
            "count": 1,
            "name": "Vipul Dusane"
        },
        "2": {
            "count": 0,
            "name": "Aniket Patil"
        }
    },
    "success": "true",
    "message": "Record Found!"
}

Volley Function

 private void ShowCsllCount() {

    StringRequest stringRequest = new StringRequest(Request.Method.POST, Constants.TotalCount ,
            new Response.Listener<String>() {
                @Override
                public void onResponse(String response) {
                    try {
                        progressDialog.dismissWithAnimation();

                        JSONObject obj = new JSONObject(response);

                        JSONArray dataArray  = obj.getJSONArray("callcount");

                        for (int i = 0; i < dataArray.length(); i++) {
                            JSONObject heroObject = dataArray.getJSONObject(i);

                            totalC_Pojo totalCPojo = new totalC_Pojo
                                    (heroObject.getString("count"),heroObject.getString("name"));

                            dataModelArrayList.add(totalCPojo);
                        }

                        totalCountAd = new TotalCountAd(OtherWR.this, dataModelArrayList);
                        recycler.setAdapter(totalCountAd);
                    } catch (JSONException e) {
                        e.printStackTrace();
                        progressDialog.dismissWithAnimation();
                    }
                }
            },
            new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {
                    //displaying the error in toast if occurrs
                    progressDialog.dismissWithAnimation();

                    Toast.makeText(OtherWR.this, error.getMessage(), Toast.LENGTH_SHORT).show();
                }
            });
    // request queue
    RequestQueue requestQueue = Volley.newRequestQueue(OtherWR.this);
    requestQueue.add(stringRequest);

It is better to use libraries to parse Json than manually writing your code. GSON is a popular Json serializing library supported by google. More information here : github.com/google/gson — p.mathew13
– p.mathew13, Commented Jun 10, 2019 at 6:36
By looking at your JSON, callcount is JSONObject, not JSONArray but it should be array to work with your code. — Naitik Soni
– Naitik Soni, Commented Jun 10, 2019 at 6:37

Community · Accepted Answer · 2020-06-20 09:12:55Z

1

try this...

JSONObject callcountObj = new JSONObject(response).getJSONObject("callcount");
    
JSONObject callcount1 = callcountObj.getJSONObject("1");

JSONObject callcount2 = callcountObj.getJSONObject("2");

//callcount one 
String callcount1_count = callcount1.getString("count");
String callcount1_name = callcount1.getString("name");

//callcount two
String callcount2_count = callcount2.getString("count");
String callcount2_name = callcount2.getString("name");

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Jul 11, 2019 at 5:35

Rajasimman R

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Comments

Quick learner · Accepted Answer · 2019-06-10 07:04:04Z

0

The json response is incorrect.

Use this response

{
    "error": true,
    "callcount": [
        "1": {
            "count": 1,
            "name": "Vipul Dusane"
        },
        "2": {
            "count": 0,
            "name": "Aniket Patil"
        }
    ],
    "success": "true",
    "message": "Record Found!"
}

instead of

{
    "error": true,
    "callcount": {
        "1": {
            "count": 1,
            "name": "Vipul Dusane"
        },
        "2": {
            "count": 0,
            "name": "Aniket Patil"
        }
    },
    "success": "true",
    "message": "Record Found!"
}

answered Jun 10, 2019 at 7:04

Quick learner

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