Today we go over how to implement pull to refresh with a UIRefreshControl, how you might want to implement it in a production product, and how to support multiple older versions of iOS., using Swift 4. First we go over how easy it is to get a refresh control into a UITableView. Next, we dive into adding the appropriate functionality to the refresh control that we are looking for. Lastly, we go over some of the changes you need to make to your code if you want to support iOS 9 and older.
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