Change appDelegate extension to extend UIViewController
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markmalone commented
Currently the advice says one should add the following to the app delegate
extension UITableViewController {
var appDelegate: AppDelegate { return (UIApplication.shared.delegate as! AppDelegate) }
}
However changing it to
extension UIViewController {
var appDelegate: AppDelegate { return (UIApplication.shared.delegate as! AppDelegate) }
}
ensures it will work for any view controller subclass including a UIViewController that includes a table.