Can't extrack information from JSON File

Question

[Android] I have a JSON File that it is composed in this way:

 "5":{
        "15":{
            ...
        },
        "18":{
           ..
        },
        "7":{
            ...
        },
        "9":{
            ..
        }
    }
}

How I can extract the infomation at 15,18,7,9? this number 15, 18 ,7, 9 change from run to another.. My Code is:

JSONObject obj = new JSONObject(file);
            JSONArray uno = obj.getJSONArray("5");

and I obtain JSONException!! Anyone can help me?

asked bazillion times ... "Alex", "Kodie","Lache" are keys (in json terminology)... now, get back to googling — Selvin, Mar 31 '15 at 16:22
of course you do. look at the structure of your json file. now look at the method you call. now look at the doc for the method you call if that's not clear enought already. — njzk2, Mar 31 '15 at 16:45
possible duplicate of [How to parse data from json in android?](http://stackoverflow.com/questions/13620414/how-to-parse-data-from-json-in-android) — Maveňツ, Mar 31 '15 at 20:36

Hypaethral · Accepted Answer · 2015-03-31T16:26:58.963

0

http://developer.android.com/reference/org/json/JSONObject.html

5 is not a JSONarray, it is a key. Try obj["5"] from the above documentation, then calling keys to get the keys to access the internal attributes.

edited Mar 31 '15 at 16:26

answered Mar 31 '15 at 16:25

Hypaethral

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that is the second problem ... in fact seems like OP knows nothing about JSON ... – Selvin Mar 31 '15 at 16:26
Yes and after how can extract the other information the JSON object? – Gozilla Mar 31 '15 at 16:26
@Gozilla, Read the linked documentation for "keys". It returns an iterator over all the string keys inside of "5". – Hypaethral Mar 31 '15 at 16:30

Can't extrack information from JSON File

1 Answers1