7. Presentations

iOS’s adaptive redesign brings presentation elements into a new generation. User alerts are re-imagined, and popovers are now universally available, not just on tablets. Special effects highlight presentations to provide the greatest visual impact when you overlay content for modal interaction. This chapter introduces several of the presentation changes you’ll work with. You’ll read about the new alert controller class and about the mask and view effects that support presentation styling. You’ll also learn how to create phone-style popovers.


Alerts benefited from a full redesign in iOS 8. The UIAlertController class provides one-stop shopping for your user messaging needs, deprecating older UIAlertView and UIActionSheet ...

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