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up vote -1 down vote favorite

I want to parse a nested jsonarray

JSONParser jParser = new JSONParser();

        // getting JSON string from URL
        JSONObject json = jParser.getJSONFromUrl(url);

        try {
            dialogcreated = json.getJSONArray(TAG_DETAILS);

            // Log.d("apptoken",login.toString());
            for (int i = 0; i < dialogcreated.length(); i++) {
                JSONObject d = dialogcreated.getJSONObject(i);

                String msg = d.getString(TAG_MSG);
                dialogs = d.getJSONArray("dialogdetails");

I am getting jsonobject cannot be converted to jsonarray error on dialogs = d.getJSONArray("dialogdetails"); line

my json array

{"dialog_details":[{"msg":"success","dialogdetails":{"dialog_id":"139","dialog_category":"2","dialog_title":"apptesting1","dialog_description":"apptesting2","dialog_image":null,"dialog_type":"P","mem_id":"27","temp_moderator_assigned":"0","moderator_assigned":"0","created_on":"6 minutes ago","updated_by":null,"updated_on":"6 minutes ago","mem_dialog_type":"P","published":"0","dialog_status":"1","dialog_archived":"0","dialog_votes":"0","featured":"0","dialog_members":"0","dialog_posts":"0","wtavg":"0","d_member_username":"icube2","d_mem_id":"27","d_member_avatar":"0","d_member_email":"[email protected]","d_category_id":"2","d_category_name":"Games"}}]}
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dialogdetails is an an JsonObject not a JsonArray –  Nezam Oct 22 '13 at 8:29
1  
dialogdetails is a JSONObject. [ represent JSONArray, { represent JSONObject –  Tom Hart Oct 22 '13 at 8:29
    
@AvinashKumarPankaj may be he's not your bro.Rather he's a "she".Lol.(Light moment) –  Nezam Oct 22 '13 at 8:40
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2 Answers

up vote 0 down vote accepted 
{ // json object
    "dialog_details": [ // json array
        {
            "msg": "success", 
            "dialogdetails": { // json object
              "dialog_id": "139",

dialogdetails is not a JSONArray its a JSONObject

Change to JSONObject

dialogs = d.getJSONArray("dialogdetails");

to

JSONObject dialogs = d.getJSONObject("dialogdetails");

[ represents json array node

{ represetns json object node

    JSONObject jb = new JSONObject("myjsonstring");
    JSONArray jr = (JSONArray)jb.getJSONArray("dialog_details"):
    for(int i=0;i<jr.length();i++)
    {
       JSONObject d = (JSONObject) jr.getJSONObject(i);
       String msg = d.getString(TAG_MSG);
       JSONObject dialogs = d.getJSONObject("dialogdetails");
       String dialog_id= dialogs.getString("dialog_id");   
    }
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up vote 0 down vote

dialogdetails is not JsonAray..

And you are doing wrong here

 dialogs = d.getJSONArray("dialogdetails");//Wrong

Its a JsonObject

 dialogs = d.getJSONObject("dialogdetails");

JSON String start with braces { stands for JsonObject

"dialogdetails": {
                "dialog_id": "139",
                "dialog_category": "2",
                "dialog_title": "apptesting1",
                "dialog_description": "apptesting2",
                "dialog_image": null,
                "dialog_type": "P",
                "mem_id": "27",
                "temp_moderator_assigned": "0",
                "moderator_assigned": "0",
                "created_on": "6 minutes ago",
                "updated_by": null,
                "updated_on": "6 minutes ago",
                "mem_dialog_type": "P",
                "published": "0",
                "dialog_status": "1",
                "dialog_archived": "0",
                "dialog_votes": "0",
                "featured": "0",
                "dialog_members": "0",
                "dialog_posts": "0",
                "wtavg": "0",
                "d_member_username": "icube2",
                "d_mem_id": "27",
                "d_member_avatar": "0",
                "d_member_email": "[email protected]",
                "d_category_id": "2",
                "d_category_name": "Games"
            }
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