How to parse json string in Android?

Question

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JSON Array iteration in Android/Java

I am fetching JSON string from server and I have already got JSON string by code. But I didn't understand how to parse it.

Below is my JSON string

{
    "university": {
        "name": "oxford",
        "url": "http://www.youtube.com"
    },
    "1": {
        "id": "2",
        "title": "Baseball",
        "datetime": "2011-11-11 10:41:46"
    },
    "2": {
        "id": "1",
        "title": "Two basketball team players earn all state honors",
        "datetime": "2011-11-11 10:40:57"
    }
}

Please provide any guidance or code snippet.

score 125 · Accepted Answer · edited Nov 12 '19 at 12:00

125

Use JSON classes for parsing e.g

JSONObject mainObject = new JSONObject(Your_Sring_data);
JSONObject uniObject = mainObject.getJSONObject("university");
String  uniName = uniObject.getString("name");
String uniURL = uniObject.getString("url");

JSONObject oneObject = mainObject.getJSONObject("1");
String id = oneObject.getString("id");
....

edited Nov 12 '19 at 12:00

Arjun Vyas

409
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14

answered Nov 11 '11 at 07:54

Arslan Anwar

18,746
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105

can we get how many objects in json string – helloDroid Nov 11 '11 at 08:11
2

Yes you can simply use "mainObject.length();" – Arslan Anwar Nov 11 '11 at 08:12
2

Edited to use `getString()` instead of `getJSONObject()` when getting String values. Using `getJSONObject()` caused a JSONException when I ran similar code that was fixed by using `getString()`. – Shef Nov 01 '15 at 23:40
4

`getString()`, not `getJsonString()` as is written in the example, right? – de. Dec 11 '16 at 23:21
Right @de. It should getString(), not getJsonString() – Arjun Vyas Nov 12 '19 at 11:02

Shashank_Itmaster · Answer 2 · 2019-11-13T08:39:11.237

Below is the link which guide in parsing JSON string in android.

http://www.ibm.com/developerworks/xml/library/x-andbene1/?S_TACT=105AGY82&S_CMP=MAVE

Also according to your json string code snippet must be something like this:-

JSONObject mainObject = new JSONObject(yourstring);

JSONObject universityObject = mainObject.getJSONObject("university");
JSONString name = universityObject.getString("name");  
JSONString url = universityObject.getString("url");

Following is the API reference for JSOnObject: https://developer.android.com/reference/org/json/JSONObject.html#getString(java.lang.String)

Same for other object.

How to parse json string in Android?

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