Parsing JSON Array with JSON OBJECT

Question

I have some JSON with the following structure:

{"cit": [
    "ALL",
    "Aceh Barat",
    "Aceh Besar",
    "Aceh Jaya",
    "Aceh Selatan",
    "Aceh Tengah",
    "Aceh Timur",
    "Aceh Utara"]}

i have try to parsing my json like this :

JSONObject jsonObject = new JSONObject(result);
JSONArray city=jsonObject.getJSONArray("cit");

for (int j=0; j < city.length(); j++){
    JSONObject cit = city.getJSONObject(j);
    String kot = cit.toString(j);

    kota.add(kot);
}

on post execute :

ArrayAdapter<String> SpinnerKota = new ArrayAdapter<String>(Pencarian.this, android.R.layout.simple_list_item_1, kota);
spin_kota.setAdapter(SpinnerKota);

but nothing happen, is there any wrong with my code? i hope someone can help me to solve my problem.

How do you know nothing's happening? Are you getting some kind of stack? Are you not getting expected output? (The snippet you posted doesn't indicate if you're going to get output one way or another.) — Makoto
– Makoto, Commented Oct 14, 2013 at 4:36
in my spinner it will show as : [ "ALL", "Aceh Barat", "Aceh Besar", "Aceh Jaya", "Aceh Selatan", "Aceh Tengah", "Aceh Timur", "Aceh Utara"] and i think this is not true — Aoyama Nanami
– Aoyama Nanami, Commented Oct 14, 2013 at 4:42
@AoyamaNanami the spinner will show the above, because that is what is there in the json. What's wrong with it ? — DSS
– DSS, Commented Oct 14, 2013 at 5:19

Raghunandan · Accepted Answer · 2013-10-14 06:04:58Z

2

"cit": [ // json array cit
"ALL",  // index 0 is ALL

Also there is no json object inside json array cit. So you don't need this JSONObject cit = city.getJSONObject(j).

Change

  String kot = cit.toString(j);

To

  String kot =  (String) city.get(j);

Use the below

      JSONObject jsonObject = new JSONObject("myjson string");
      JSONArray city=jsonObject.getJSONArray("cit");
      for(int i=0;i<city.length();i++)
      {
            String cities = (String) city.get(i);
            Log.i("All Cities",cities);
            kota.add(cities);
      }

edited Oct 14, 2013 at 6:04

answered Oct 14, 2013 at 5:02

Raghunandan

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Comments

Suresh Atta · Accepted Answer · 2013-10-14 05:10:23Z

1

Do it like this

    JSONArray json = jParser.getJSONFromUrl(URL);

JSONObject c = json.getJSONObject(0);

JSONArray city  = c.getJSONArray("cit");    

for (int j=0; j < city.length(); j++){

    String kot = cit.get(j);

    kota.add(kot);
}

edited Oct 14, 2013 at 5:10

Suresh Atta

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answered Oct 14, 2013 at 5:07

Smogger

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1 Comment

Suresh Atta Over a year ago

Mere code is not an answer. Please explain to OP what's wrong with his code.

Trein · Accepted Answer · 2013-10-14 04:49:59Z

0

Object obj = yourJsonResult;
JSONObject jsonObject = (JSONObject) obj;
JSONArray msg = (JSONArray) jsonObject.get("cit");
Iterator<String> iterator = msg.iterator();

while (iterator.hasNext()) {
    System.out.println(iterator.next());
}

edited Oct 14, 2013 at 4:49

Trein

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answered Oct 14, 2013 at 4:37

KOTIOS

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Comments

Sanath · Accepted Answer · 2013-10-14 05:00:41Z

0

you can do it as following code this is tested

String jsonSource="{'cit': ['ALL','Aceh Barat','Aceh Besar','Aceh Jaya','Aceh Selatan','Aceh Tengah','Aceh Timur','Aceh Utara']}";
    try {
        JSONObject jsonObject=new JSONObject(jsonSource);
        JSONArray jsonArray=jsonObject.getJSONArray("cit");         
        int length = jsonArray.length();
        String [] cities = new String [length];
        if (length > 0) {
            for (int i = 0; i < length; i++) {
                cities[i] = jsonArray.getString(i);
            }
        }
        //to check we can print our string array
        for (int i = 0; i < cities.length; i++) {
            Log.d("JSON parsing ",cities[i]);               
        }
    } catch (JSONException e) {
        e.printStackTrace();
    }

answered Oct 14, 2013 at 5:00

Sanath

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1 Comment

Suresh Atta Over a year ago

Mere code is not an answer. Please explain to OP what's wrong with his code.

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