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POListFragments - unable to display list
 

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  1. POListFragments - unable to display list
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    <p>I am using navigation drawer with action bar sherlock fragments.I am having one main activity and calling four fragments from there. In one of those fragments, need to display list of products. I am able to fetch and parse json data successfully. But, not able to display list in my layout. in logcat, till 'In thread' is getting displayed. after that, app crashes.</p> <pre><code> class LoadEnq extends AsyncTask&lt;String, String, String&gt; { /** * Before starting background thread Show Progress Dialog * */ @Override protected void onPreExecute() { super.onPreExecute(); pDialog = new ProgressDialog(getActivity()); pDialog.setMessage("Listing Enquiries ..."); pDialog.setIndeterminate(false); pDialog.setCancelable(false); pDialog.show(); } /** * getting Albums JSON * */ protected String doInBackground(String... args) { // Building Parameters List&lt;NameValuePair&gt; params = new ArrayList&lt;NameValuePair&gt;(); params.add(new BasicNameValuePair("TOKEN", "INBOX-S!U@B#O$")); params.add(new BasicNameValuePair("ACTION", "inbox")); params.add(new BasicNameValuePair("MODID", "IMOB")); params.add(new BasicNameValuePair("GLID", "423104")); params.add(new BasicNameValuePair("FOLDER", "1")); params.add(new BasicNameValuePair("FROM", "0")); params.add(new BasicNameValuePair("TO", "500")); // getting JSON string from URL String json = jsonParser.makeHttpRequest(URL_ENQ, "POST", params); // Check your log cat for JSON reponse Log.d("Enq JSON: ", "&gt; " + json); try { System.out.println("in try"); enq = new JSONArray(json); if (enq != null) { // looping through All albums for (int i = 0; i &lt; enq.length(); i++) { JSONObject c = enq.getJSONObject(i); // Storing each json item values in variable String qid = c.getString(TAG_QID); String qtype = c.getString(TAG_QTYPE); String name = c.getString(TAG_SNAME); String email = c.getString(TAG_SEMAIL); String subject = c.getString(TAG_SUBJECT); System.out.println("QID" + qid); // creating new HashMap HashMap&lt;String, String&gt; map = new HashMap&lt;String, String&gt;(); // adding each child node to HashMap key =&gt; value map.put(TAG_QID, qid); map.put(TAG_QTYPE, qtype); map.put(TAG_SNAME, name); map.put(TAG_SEMAIL, email); map.put(TAG_SUBJECT, subject); // adding HashList to ArrayList enqList.add(map); } }else{ Log.d("Enquries: ", "null"); } } catch (JSONException e) { e.printStackTrace(); } return null; } /** * After completing background task Dismiss the progress dialog * **/ protected void onPostExecute(String file_url) { System.out.println("post"); // dismiss the dialog after getting all albums pDialog.dismiss(); System.out.println("dismiss"); // updating UI from Background Thread //getActivity().runOnUiThread(new Runnable() { //public void run() { System.out.println("in thread"); /** * Updating parsed JSON data into ListView * */ ListAdapter adapter = new SimpleAdapter( getActivity(), enqList, R.layout.list_item_albums, new String[] { TAG_QID,TAG_QTYPE, TAG_SNAME, TAG_SEMAIL,TAG_SUBJECT }, new int[] { R.id.query_id,R.id.qtype ,R.id.name,R.id.email, R.id.subject }); //adapter.notifyDataSetChanged(); // updating listview setListAdapter(adapter); //} //}); } } </code></pre> <p>}</p> <p>StackTrace:</p> <pre><code>07-09 12:21:02.374: E/AndroidRuntime(482): FATAL EXCEPTION: main 07-09 12:21:02.374: E/AndroidRuntime(482): java.lang.IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the UI thread. [in ListView(16908298, class android.widget.ListView) with Adapter(class android.widget.SimpleAdapter)] 07-09 12:21:02.374: E/AndroidRuntime(482): at android.widget.ListView.layoutChildren(ListView.java:1492) 07-09 12:21:02.374: E/AndroidRuntime(482): at android.widget.AbsListView.onLayout(AbsListView.java:1147) 07-09 12:21:02.374: E/AndroidRuntime(482): at android.view.View.layout(View.java:7035) 07-09 12:21:02.374: E/AndroidRuntime(482): at android.widget.RelativeLayout.onLayout(RelativeLayout.java:909) </code></pre>
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    1. This table or related slice is empty.
    1. PTQuestion
    1. USuser2290189
    1. USuser2290189
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    1. This table or related slice is empty.
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      1. POListFragments - unable to display list
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    1. COPost your stacktrace..
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      1. USTarun
    2. COI think problem in that you use runOnUiThread when you already in uiThread. Try to remove this.
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      1. USDivers
    3. CO@Divers- still the same error
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      1. POListFragments - unable to display list
      1. USuser2290189
 

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