November 2020
Intermediate to advanced
766 pages
15h 29m
English
Content preview from iOS 14 Programming for Beginners - Fifth Edition
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Chapter 19: Getting Started with Custom UIControls
At this point, your app has data in all of its screens, but the Restaurant Detail screen is incomplete. You can't set a star rating for a restaurant, and you can't add photos or reviews.
You have been using Apple's standard UI elements so far. In this chapter, you'll create a custom subclass of the UIControl class that displays restaurant ratings in the form of stars. You'll modify this subclass so users can set a rating for a restaurant by tapping it. After that, you'll implement a review form that allows users to submit restaurant reviews.
By the end of this chapter, you'll have learned how to create custom UIControl classes, handle touch events, and implement review forms for your own apps. ...
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