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Android 9 Development Cookbook

You're reading from   Android 9 Development Cookbook Over 100 recipes and solutions to solve the most common problems faced by Android developers

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781788991216
Length 464 pages
Edition 3rd Edition
Languages
Tools
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Author (1):
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Rick Boyer Rick Boyer
Author Profile Icon Rick Boyer
Rick Boyer
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Toc

Table of Contents (18) Chapters Close

Preface 1. Activities FREE CHAPTER 2. Layouts 3. Views, Widgets, and Styles 4. Menus and Action Mode 5. Fragments 6. Home Screen Widgets, Search, and the System UI 7. Data Storage 8. Alerts and Notifications 9. Using the Touchscreen and Sensors 10. Graphics and Animation 11. A First Look at OpenGL ES 12. Multimedia 13. Telephony, Networks, and the Web 14. Location and Using Geofencing 15. Getting Your App Ready for the Play Store 16. Getting Started with Kotlin 17. Other Books You May Enjoy

Playing sound effects with SoundPool


When you needsound effects in your application, SoundPoolis usually a good starting point.

SoundPool is interesting in that it allows us to create special effects with our sounds by changing the play rate and by allowing multiple sounds to play simultaneously.

Popular audio file types supported include:

  • 3GPP (.3gp)
  • 3GPP (.3gp)
  • FLAC (.flac)
  • MP3 (.mp3)
  • MIDI Type 0 and 1 (.mid,.xmf, and.mxmf)
  • Ogg (.ogg)
  • WAVE (.wav)

See the Supported Media Formats link for a complete list, including network protocols.

As is common in Android, new releases to the OS bring changes to the APIs.SoundPoolis no exception and the originalSoundPoolconstructor was deprecated in Lollipop (API 21). Rather than setting our minimum API to 21 or relying on deprecated code (which may stop working at some point), we'll implement both the old and the new approach and check the OS version at runtime to use the appropriate method.

This recipe will demonstrate how to play sound effects using the Android...

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