Get string from jsonArray java android

Question

I am making an android app and have to use json. I am very new to JSON so I have a question. I have got the following json code from a HttpUrlConnection:

 [{"id":"12","name":"John","surname":"Doe","age":"23","username":"123"}]

How can I convert this string to a jsonArray and get the "23" out of this array using java? I already searched a lot on stackoverflow but didn't got the right answer. Hope somebody could help me.

I already tried to make it an jsonObject but it didn't work. Result is the string I've got from the HttpUrlConnection:

JSONObject jsonObject = new JSONObject(result);
String jsonname = jsonObject.getString("age");

I am using android studio. I thought Json was already build in android studio — L.B
– L.B, Commented Apr 25, 2016 at 13:37
What's the fully qualified name of the JsonObject class, just to be sure which one you're using? — ManoDestra
– ManoDestra, Commented Apr 25, 2016 at 13:38
I suspect you'll need to instantiate a JsonArray, rather than a JsonObject. The string above is an array, which you should then be able to interrogate for its individual items. — ManoDestra
– ManoDestra, Commented Apr 25, 2016 at 13:40

Community · Accepted Answer · 2017-05-23 12:32:08Z

7

The JSON string you've supplied is an array (containing a single element). Try using this instead:

JSONArray jsonArray = new JSONArray(result);

// This gets you the first (zero indexed) element of the above array.
JSONObject jsonObject = jsonArray.getJSONObject(0);
String age = jsonObject.getString("age");

Similar to this question, but you have the opposite problem.

edited May 23, 2017 at 12:32

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answered Apr 25, 2016 at 13:43

ManoDestra

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