User guide

Relevant Chapters: Working with Categories (page 18), Optimizing Your App for Device
Hardware (page 32), and Fine-Tuning an Audio Session for Players (page 40)
Prerequisites
Be familiar with Cocoa Touch development as introduced in App Programming Guide for iOS and with the
basics of Core Audio as described in that document and in Core Audio Overview . Because audio sessions bear
on practical end-user scenarios also be familiar with iOS devices, and with iOS Human Interface Guidelines,
especially the Sound section in iOS Human Interface Guidelines.
See Also
You may find the following resources helpful:
AVAudioSession Class Reference, which describes the Objective-C interface for configuring and using this
technology.
AddMusic, a sample code project that demonstrates use of an audio session object in the context of a
playback app. This sample also demonstrates coordination between app audio and Music app audio.
Introduction
Prerequisites
2014-09-17 | Copyright © 2014 Apple Inc. All Rights Reserved.
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