Android get elements from json array

Question

I'm trying to get elements from my json array.

this is my json response:

{"IDs":["635426812801493839","635429094450867472","635433640807558204"]}

This is what I've tried so far:

itemList = new ArrayList<HashMap<String, String>>();

            JSONArray a = jsonObj.getJSONArray(Constants.IDS);
            int arrSize = a.length();
            ArrayList<String> stringArray = new ArrayList<String>();
            for (int i = 0; i < arrSize; ++i) {
                JSONObject obj = a.getJSONObject(i);
                stringArray.add(obj.toString());
                item = new HashMap<String, String>();
                item.put(Constants.ID, obj.toString());
                itemList.add(item);
            }

            Log.e("ARR COUNT", "" + stringArray.size());

But I'm getting empty list. What is wrong with my code? Any help will be truly appreciated. Thanks.

Blackbelt · Accepted Answer · 2015-04-29 12:40:28Z

5

The for loop should be

for (int i = 0; i < arrSize; ++i) {
      stringArray.add(a.getString(i));

your the JSONArray contains already string

answered Apr 29, 2015 at 12:40

Blackbelt

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Comments

Ankit Kumar · Accepted Answer · 2015-04-29 12:40:55Z

2

JSONObject obj = a.getJSONObject(i);

replace with

String str = a.getString(i);

answered Apr 29, 2015 at 12:40

Ankit Kumar

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1 Comment

user1410081 Over a year ago

thanks man for this however I chose @Blackbelt's answer as it contains explanation.

Paritosh · Accepted Answer · 2015-04-29 12:41:07Z

0

Use this

itemList = new ArrayList<HashMap<String, String>>();

JSONArray a = jsonObj.getJSONArray(Constants.IDS);
int arrSize = a.length();
ArrayList<String> stringArray = new ArrayList<String>();
for (int i = 0; i < arrSize; ++i) {                
    stringArray.add(a.getString(i));
    item = new HashMap<String, String>();
    item.put(Constants.ID, obj.toString());
    itemList.add(item);
}

Log.e("ARR COUNT", "" + stringArray.size());

answered Apr 29, 2015 at 12:41

Paritosh

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