title: UICollection view reloadData cause recreate visible cell
body: <p>When I call reloadData method of UICollectionView it cause all visible cell to blink. I found that reason of this is recreation of all visible cells, while UITableView return visible cell in <i>– tableView:cellForRowAtIndexPath:</i> method after reload data.</p>
  
  <p>So, how can I avoid recreation of visible cells in UICollectionView.</p>