March 2014
Intermediate to advanced
672 pages
40h 11m
English
Content preview from The Core iOS Developer’s Cookbook, Fifth Edition
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Recipe: Simple Audio Alerts
Audio alerts “speak” directly to your users. They produce instant feedback—for users who are not hearing impaired. Fortunately, Apple built basic sound playback into the Cocoa Touch SDK through System Audio services.
The alternatives include using Audio Queue calls or AVAudioPlayer. Audio Queue playback is time-consuming to program and involves much more complexity than simple alert sounds need. In contrast, you can load and play system audio with just a few lines of code. AVAudioPlayer also has drawbacks. It interferes with iPod audio. In contrast, System Audio can perform a sound without interrupting any music that’s currently playing, although that may admittedly not be the result you’re looking for, as alerts ...
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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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