Topic
Uiresponder
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UserDefaults and Keychain
Apple offers several persistence options, and UserDefaults and Keychain are the two you reach for most often in day-to-day app development. From past conversations with colleagues …
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Understanding responders and the responder chain
Apps receive and handle events through responder objects. A responder is an instance of the UIResponder class — and UIView, UIViewController, and UIApplication, all the usual …