CODEWITHSUNDEEP
androidhttp-getjson
Francisco Romero
Francisco Romero

Reputation: 13199

Android - JSONObject doesn't work

I'm using HttpGet method in my REST API on Android and I have a problem. I get the response but I can't create the object that it's being retrieved. Here I put my AsyncTask:

class FindCar extends AsyncTask<Integer, Integer, Void> {

   protected void onPreExecute(){
   }

   protected Void doInBackground(Integer... idCar) {

      String name = ""; 

      String url = "http://IP of my computer/project/cars/" + idCar[0].intValue();

      HttpClient httpClient = new DefaultHttpClient();

      HttpGet method = new HttpGet(url);

      method.setHeader("content-type", "application/json");

      try {
          HttpResponse resp = httpClient.execute(method);

          String respStr = EntityUtils.toString(resp.getEntity());

          Log.d("prove", respStr); //Here I get {"name":"Car1"}

          JSONObject obj = new JSONObject(respStr);

          name = obj.getString("name");

          Log.d("prove", name); //Nothing appears

      } catch (Exception ex) {
        }

          return null;
   }

   protected void onProgressUpdate(){
   }

   protected void onPostExecute(){
   }
}

Why, if my response it's being retrieved, the object isn't created? Am I doing something wrong?

EDIT: I make a lot of proves and in my real code I have respStr but I copy the prove that I make before. Sorry.

Thanks in advance!

Upvotes: 0

Views: 609

Answers (3)

Francisco Romero
Francisco Romero

Reputation: 13199

SOLUTION:

Finally I got the solution. What I did?

Remove this sentence:

name = obj.getString("name");

and rewrite it again (put exactly the same as before).

And works! Just incredible...

Please if someone knows what happens here let me know. I'm really intrigued about this.

Upvotes: 1

Aakash
Aakash

Reputation: 5261

What is i??

Instead of doing this:

JSONObject obj = respJSON.getJSONObject(i);

Do this:

JSONObject obj = new JSONObject(respStr);

Upvotes: 0

Marcin Orlowski
Marcin Orlowski

Reputation: 75645

You got response in respStr but you do not seem to use it anywhere, you got respJSON which is who-knows-what and you use it for unknown reason and not to mention you use i which comes out of nowhere. You should create your response JSON just like that:

      String respStr = EntityUtils.toString(resp.getEntity());
      JSONObject obj = new JSONObject(respStr);

Upvotes: 0

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