ListView disappears when populated using AsyncTask and launched from ExpandableListView ImageView click

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http://stackoverflow.com – I am launching a ListActivity as such from the getChildView method of an expandable list. public void onClick(View v) { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setMessage("Do you want see all vendors selling this item?"); builder.setCancelable(false); builder.setPositiveButton("Yes", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { Intent intent = new Intent(context, SellerListActivity.class); (HowTos)