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POHow to refresh Activity from AsyncTask in Android
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copied!<p>In my program I am retrieving values from a json URL and then displaying them in a listView. now i want to delete some items from the list, so when I click an Item then the delete API calls in the doInBackground() of AsyncTask.. Now after completing the AsyncTask I want to reload the list so that the changes can b seen.</p> <p>How can I relaod the list to see the changes..</p> <p>My AsyncTask is a separate class.</p> <p>this is my AsyncTask code:</p> <pre><code>protected String doInBackground(String... DATA) { // TODO Auto-generated method stub rqst_type = DATA[0]; if(rqst_type.equals("del_top5")) { String url = DATA[1]; JsonParser jParser = new JsonParser(); JSONObject json = jParser.getJSONfromUrl(url+memberId); Log.v(TAG_LOG, "del url: "+url+memberId); try { message = json.getString(TAG_DELSCS); Log.v(TAG_LOG, "msg "+TAG_DELSCS); } catch(JSONException e) { Log.v(TAG_LOG, String.valueOf(e)); } } return null; } protected void onPostExecute(String result) { // TODO Auto-generated method stub super.onPostExecute(result); if(rqst_type.equals("del_top5")) { if(message.equals("true")) { AlertDialog alertDialog = new AlertDialog.Builder(context).create(); alertDialog.setTitle("Course Deleted"); alertDialog.setMessage("Course Sucessfully Deleted"); alertDialog.setIcon(R.drawable.tick); alertDialog.setButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { } }); alertDialog.show(); } else if(message.equals("false")) { AlertDialog alertDialog = new AlertDialog.Builder(context).create(); alertDialog.setTitle("Error"); alertDialog.setMessage("Course Not Deleted"); alertDialog.setIcon(R.drawable.alert); alertDialog.setButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { } }); alertDialog.show(); } else { AlertDialog alertDialog = new AlertDialog.Builder(context).create(); alertDialog.setTitle("Error"); alertDialog.setMessage("Unknown Erroe Occured"); alertDialog.setIcon(R.drawable.alert); alertDialog.setButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { } }); alertDialog.show(); } } progress.dismiss(); } </code></pre> <p>The name of my Activity is <code>MyTop5.class</code> that I want to reload when I click the OK button of the AlertDialog..</p> <p>this is the coading for my ListAdapter:</p> <pre><code>ListAdapter adapter = new SimpleAdapter(this, LoadingScreen.top5List, R.layout.top5_list, new String[] { TAG_GLFCRSNAME, TAG_GLFCRSID, TAG_CRTDATE, TAG_FCLTY, TAG_HOLES }, new int[] { R.id.top_golfname, R.id.top_courseid, R.id.top_createdate, R.id.top_fclty, R.id.top_holes }); setListAdapter(adapter); </code></pre> <p>Thanks in Advance..</p>

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