How to use

notifyAdapterItemMoved

method

in

com.mikepenz.fastadapter.FastAdapter

@Override
public void move(int fromPosition, int toPosition, int preItemCount) {
  Item item = mItems.get(fromPosition - preItemCount);
  mItems.remove(fromPosition - preItemCount);
  mItems.add(toPosition - preItemCount, item);
  if (getFastAdapter() != null) {
    getFastAdapter().notifyAdapterItemMoved(fromPosition, toPosition);
  }
}

@Override
public void onMoved(int fromPosition, int toPosition) {
  adapter.getFastAdapter().notifyAdapterItemMoved(adapter.getFastAdapter().getPreItemCountByOrder(adapter.getOrder()) + fromPosition, toPosition);
}

items.remove(position + 1);
items.add(position + 3, i);
mFastAdapter.notifyAdapterItemMoved(position + 1, position + 3);