How to parse JsonObject inside JsonArray

Question

I'm trying to parse a json file which is this :

{
"number": 123,
"contract_name" : "London",
"name": "station",
"address": "address",
"position": {
"lat": 48.862993,
"lng": 2.344294
},
"banking": true,
"bonus": false,
"last_update": <timestamp>
}

this is what i've managed to do

    s.setName(stationJson.optString("name"));
                    s.setTimestamp(stationJson.optString("last_update"));
                    s.setNumber(stationJson.optInt("number"));
                    s.setBonus(stationJson.optInt("bonus"));
                    s.setBank(stationJson.optInt("banking"));
                    s.setPosition(stationJson.getJSONObject("position"));
                    s.setLatitude(stationJson.optDouble("lat"));
                    s.setLongitude(stationJson.optDouble("lng"));

The problem is about the lng and lat.

Anyone have a idea how about how to resolve this?

hi the descriptive answer is given please have a look!!

Jitesh Upadhyay
– Jitesh Upadhyay

2014-05-12 09:40:39 +00:00
Commented May 12, 2014 at 9:40 — Jitesh Upadhyay
– Jitesh Upadhyay, Commented May 12, 2014 at 9:40

ravi · Accepted Answer · 2014-05-12 09:25:44Z

4

Use the below code.

 s.setName(stationJson.optString("name"));
 s.setTimestamp(stationJson.optString("last_update"));
 s.setNumber(stationJson.optInt("number"));
 s.setBonus(stationJson.optInt("bonus"));
 s.setBank(stationJson.optInt("banking"));
 JSONObject positionJson = stationJson.getJSONObject("position");    
 s.setLatitude(positionJson.optDouble("lat"));
 s.setLongitude(positionJson.optDouble("lng"));

answered May 12, 2014 at 9:25

ravi

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Comments

Jitesh Upadhyay · Accepted Answer · 2014-05-12 09:37:47Z

as yours json is in given format

{
"number": 123,
"contract_name" : "London",
"name": "station",
"address": "address",
"position": {
"lat": 48.862993,
"lng": 2.344294
},
"banking": true,
"bonus": false,
"last_update": <timestamp>
}

so parse as follows

String jsondata ="YOURS JSON DATA HERE";//ASSIGN OR LOAD YOURS JSON DATA HERE
        try {
            JSONObject initial=new JSONObject(jsondata);

            int number=initial.getInt("number");
            String  contract_name=initial.getString("contract_name");
            Log.d("contract_name", contract_name);
            String  name=initial.getString("name");
            Log.d("name", name);
            String  address=initial.getString("address");
            Log.d("address", address);

            String  lastUpdate=initial.getString("last_update");
            Log.d("lastUpdate", lastUpdate);
            Boolean bonus=initial.getBoolean("bonus");
            Log.d("bonus", bonus+"");
            Boolean banking=initial.getBoolean("banking");
            Log.d("banking", banking+"");

            JSONObject another=initial.getJSONObject("position");
            Double lat=another.getDouble("lat");
            Log.d("lat", lat+"");
            Double lng=another.getDouble("lng");
            Log.d("lng", lng+"");

        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

so finally in yours code what you can say is

s.setName(stationJson.optString("name"));
 s.setTimestamp(stationJson.optString("last_update"));
 s.setNumber(stationJson.optInt("number"));
 s.setBonus(stationJson.optInt("bonus"));
 s.setBank(stationJson.optInt("banking"));
 //make another object as "position"is another object
 JSONObject positionJson = stationJson.getJSONObject("position");    
 s.setLatitude(positionJson.optDouble("lat"));
 s.setLongitude(positionJson.optDouble("lng"));

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