November 2013
Intermediate to advanced
576 pages
19h 3m
English
book
iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
by Kyle Richter, Joe Keeley
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Multiple Recognizers for a View: Redux
Now that the chapter has explained how the gesture recognizers receive and handle touches, it is clear that only one of the gesture recognizers is receiving and handling touches at a time. To get them both to handle touches simultaneously, there is a UIGestureRecognizerDelegate protocol that can be implemented to have a little more control over how touches are delivered to gesture recognizers. This protocol specifies three methods:
(BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer: Use this method to indicate whether the gesture recognizer should transition from UIGestureRecognizerStatePossible ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.