@Override
 public void onRefresh() {
   swipeToLoadLayout.postDelayed(
       new Runnable() {
         @Override
         public void run() {
           adapter.refresh();
           swipeToLoadLayout.setRefreshing(false);
         }
       },
       2000);
 }
  @Override
  public void onLoadMore() {
    swipeToLoadLayout.postDelayed(
        new Runnable() {
          @Override
          public void run() {

            adapter.add();
            swipeToLoadLayout.setLoadingMore(false);
          }
        },
        2000);
  }