Document Revision History

This table describes the changes to Audio Session Programming Guide.

DateNotes
2017-09-19

Updated for iOS 10.

2014-09-17

Added information on AVAudioSessionCategoryMultiRoute able to be modified by AVAudioSessionCategoryOptionMixWithOthers.

2014-03-10

Updated document for iOS 7. Removed all C references.

2012-12-13

Added information on how to handle interruptions when using an audio processing graph.

2010-11-15

Added audio session considerations for the playInputClick method.

2010-09-01

Updated to explain how to support application lifecycle in iOS 4.

2010-07-09

Minor changes.

2010-04-12

Updated for iOS 3.2 by describing changes in the behavior of movie player audio sessions.

2010-01-29

2010-01-20

Added information on using hardware preferences and on handling screen locking.

2009-10-19

2009-09-09

Updated for iOS 3.1 to include descriptions of new audio session properties.

2008-11-13

New document for iOS 2.2 that explains how to use an iOS application’s audio session.