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This chapter is from the book


Popovers provide a canvas for creating a range of unique interface elements that can be displayed virtually anywhere in your application. The approach that we took in this hour's lesson (creating a popover that is displayed when a toolbar button is pressed) is the most common implementation that you'll encounter.

You've learned not only how a popover is designed and displayed, but how to access data from within its view, and ways of keeping the popover controller from getting out of hand. In the next hour's lesson, you'll learn about several UI elements that Apple will allow only if they are displayed from within a popover. So even if you can't think of any uses for them yet, chances are, you will!

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