Encountered IndexOutOfBoundException while removing items from ListView in Android?

Question

I have one simple_list_item_multiple_choice listview in my layout and i am trying to remove all the selected items from it. I know how to delete it but i am

Answer 1

for(int i = size-1 ; i >= 0; i--) 
{
  if(checkedPositions.valueAt(i))
  {
    list.remove(checkedPositions.keyAt(i));
    //lv.setItemChecked(checkedPositions.keyAt(i),false);
  }
}
notes.notifyDataSetChanged();