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<iOS Quick Tip: Detecting Touches ⁄ >




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Touch Screens have become the foundation of modern smartphone user interaction. In this tutorial, you will learn how to be notified when the user interacts with the touch screen, and how to use touch events in a practical manner.

The iOS SDK provides a vast library of controls to help get you started on building your user interface without having to deal with individual touches. Sometimes these controls may not implement the functionality you are looking for and you may need to process touch events yourself.

Using the UIKit framework you can gain access to touch events in two classes, UIView, and UIViewController, both of which subclass, UIResponder which implements touch events.



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