parentExpanded.java

if (person.getFriends().length != 0){

  //is view expanded?
  if (person.isChildrenVisible()){
      person.setChildrenVisible(false);
      Friend[] friends = person.getFriends();
      for (int i = id + 1; i < (id + 1 + friends.length); i++){
          general.remove(id+1);
      }
      Log.d("general size is ", general.size()+"");

      recyclerAdapter.notifyItemRangeRemoved(id + 1, friends.length);
  }