March 2014
Intermediate to advanced
672 pages
40h 11m
English
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Handling Delegate Callbacks
Recipe 8-1 considers the following three possible image picker callback scenarios:
The user has successfully selected an image.
The user has tapped Cancel (only available on modal presentations).
The user has dismissed the popover that embeds the picker by tapping outside it.
The last two cases are simple. For a modal presentation, dismiss the controller. For a popover, remove any local references holding onto the instance. ...
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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.
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.