title: UICollectionView header view like table view header (not the section header)
body: <p>Is it possible to create UICollectionView header view like UITableView headerView? I mean header view for whole collection view, not the repeated one for each section. Like the picture1 is I want, picture which is now i have done.</p>
  
  <p><img src="https://i.stack.imgur.com/7ABwZ.jpg" alt="PictureOne"></p>
  
  <p><img src="https://i.stack.imgur.com/JwWwR.jpg" alt="PictureTwo"></p>