Android parse Json array of Strings

Question

How can I parse in Android a Json array of strings and save it in a java string array ( like: xy[ ] ) ?

My Json to be parsed :

 [
  {
    "streets": [ "street1", "street2", "street3",... ],
  }
 ]

Later in my code I want to populated with that array a spinner item in my layout. Everything i tried enden with only one street item listed in the spinner.

You mean array of array of Strings??

M-Wajeeh
– M-Wajeeh

2013-10-05 11:04:49 +00:00
Commented Oct 5, 2013 at 11:04 — M-Wajeeh
– M-Wajeeh, Commented Oct 5, 2013 at 11:04
Please post your full code.

Chintan Soni
– Chintan Soni

2013-10-05 11:21:45 +00:00
Commented Oct 5, 2013 at 11:21 — Chintan Soni
– Chintan Soni, Commented Oct 5, 2013 at 11:21
Actually its an array of objects of arrays of strings

meda
– meda

2013-10-05 12:36:49 +00:00
Commented Oct 5, 2013 at 12:36 — meda
– meda, Commented Oct 5, 2013 at 12:36

Serhii Nadolynskyi · Accepted Answer · 2014-06-11 11:47:03Z

40

To parse

try {

   JSONArray jr = new JSONArray("Your json string");
   JSONObject jb = (JSONObject)jr.getJSONObject(0);
   JSONArray st = jb.getJSONArray("streets");
   for(int i=0;i<st.length();i++)
       {
      String street = st.getString(i);
      Log.i("..........",""+street);
      // loop and add it to array or arraylist
        }
}catch(Exception e)
{
        e.printStackTrace();
}

Once you parse and add it to array. Use the same to populate your spinner.

[ represents json array node

{ represents json object node

edited Jun 11, 2014 at 11:47

Serhii Nadolynskyi

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answered Oct 5, 2013 at 11:20

Raghunandan

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11 Comments

Raghunandan Over a year ago

@Hesam then you are doing it wrong not because the parsing code posted is wrong

Hesam Over a year ago

Thanks for fast reply. I have and array exactly like question and Array contains 5 urls. I did your way, the Intelij Idea is saying "Variable 'url' initializer '(String) jFaceShape.get(j)' is redundant". Also, when I compile I can see my loop but no string is inside. This is my code: JSONArray jFaceShape = jObject.optJSONArray(Product.TAG_FACE_SHAPES); for(int j=0; j<jFaceShape.length(); j++) { String url = (String) jFaceShape.get(j); Log.d(TAG, "url => " + url);}

Raghunandan Over a year ago

@Hesam post your json. you are doing it wrong. It should work irrespective of the IDE that you use

Hesam Over a year ago

I appreciate a lot for your time man. Please look at this url hijab2go.com/?route=feed/web_api/products

Raghunandan Over a year ago

let us continue this discussion in chat

|

Hariharan · Accepted Answer · 2013-10-05 11:14:29Z

3

Try this..

 JSONArray arr = new JSONArray(json string);

    for(int i = 0; i < arr.length(); i++){

            JSONObject c = arr.getJSONObject(i);        
            JSONArray ar_in = c.getJSONArray("streets");

        for(int j = 0; j < ar_in.length(); j++){    
            Log.v("result--", ar_in.getString(j));
        }
   }

answered Oct 5, 2013 at 11:14

Hariharan

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Comments

RotatingWheel · Accepted Answer · 2014-05-06 11:53:16Z

2

We need to make JSON object first. For example,

JSONObject jsonObject = new JSONObject(resp);
// resp is your JSON string
JSONArray arr  = jsonObject.getJSONArray("results");
Log.i(LOG, "arr length =  " + arr.length());
for(int i=0;i<arr.length();i++)
{...

arr may contains other JSON Objects or JSON array. How to convert the JSON depends on the String. There is a complete example with some explanation about JSON String to JSON array can be found at http://www.hemelix.com/JSONHandling

answered May 6, 2014 at 11:53

RotatingWheel

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