17. Creating a Photo Browser
In this chapter, you will add a full-screen photo browser to PhotoWheel. You will also learn more ways to use the UIScrollView class.
The UIScrollView class provides a way to present a view that is larger than the visible area on the screen. Swiping touch gestures are used to scroll the content area horizontally and vertically, and the pinch gesture is used to zoom in and out. As you build the photo browser, you will learn how to use the scroll view to scroll content and zoom in and out of the view.
It’s time to get started.
Using the Scroll View
You use the scroll view for two different purposes as you build the photo browser. First, you use the class to build a full-screen photo browser. This browser enables users ...
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