How can I add a search bar above a UICollectionView?

Question

I would like to allow users of my app to search for images using a UISearchBar above a UICollectionView. According to my understanding, a UIColle

Answer 1

It is not mandatory to have UICollectionView inside UICollectionViewController. UICollectionView is just like UITableView and can be added anywhere. All you need to do is implement UICollectionViewDelegate and UICollectionViewDataSource protocols. You can follow following tutorial Supplementary Header and add search bar as a supplementary header of UICollectionView.