And how did u solve itß what's the HelperClass, anyways? On 26 Mai, 03:05, Freshman <[email protected]> wrote: > hi all, > > this problem has been solved. > i used Helper class. > > On May 25, 11:50 am, Freshman <[email protected]> wrote: > > > Hi guys, > > I am new to Android I've a ListView. > > I want to autoscroll all the items of listview on button click event > > with some specified time interval. > > and also wants to update the TextView according to selected items. > > I tried something like this on button click > > > button.setOnClickListener(new OnClickListener() { > > public void onClick(View v) { > > for(int i=0;i <= length; i++){ > > new AddTask().execute(i); > > } > > > } > > > AddTask Class > > > private class AddTask extends AsyncTask<Integer, Void, Void> { > > TextView textView; > > int counter; > > > protected void onPreExecute() { > > textView= (TextView) findViewById(R.id.english); > > } > > > protected Void doInBackground(Integer... params) { > > counter = params[0]; > > try { > > Thread.sleep(1000); > > } catch (InterruptedException e) { > > e.printStackTrace(); > > } > > return null; > > } > > > @Override > > public void onPostExecute(Void ignore) { > > getListView().setSelection(counter); > > textView.setText("List View Item " + counter); > > } > > > } > > > But it works only if i have 10 to 15 elements in my listview.(for > > length = 10 to 15 in above for loop) > > if i set my length variable more then 15 in above for loop its giving > > out of memory exception. > > Is there any other way i can implement same functionality ? > > > Could anyone Please suggest me any ways to solve this problem ? > > > Thax in advance, > > Freshman > >
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