March 2012
Intermediate to advanced
590 pages
22h 48m
English
Content preview from iOS Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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For the More Curious: More on UIGestureRecognizer
We’ve only scratched the surface of UIGestureRecognizer; there are more subclasses, more properties, and more delegate methods, and you can even create recognizers of your own. This section will give you an idea of what UIGestureRecognizer is capable of, and then you can study the documentation for UIGestureRecognizer to learn even more.
When a gesture recognizer is on a view, it is really handling all of the UIResponder methods, like touchesBegan:withEvent:, for you. Gesture recognizers are pretty greedy, so they typically don’t let a view receive touch events or they at least delay the delivery of those events. You can set properties on the recognizer, like delaysTouchesBegan, delaysTouchesEnded ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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