Book Image

Android 9 Development Cookbook - Third Edition

By : Rick Boyer
Book Image

Android 9 Development Cookbook - Third Edition

By: Rick Boyer

Overview of this book

The Android OS has the largest installation base of any operating system in the world. There has never been a better time to learn Android development to write your own applications, or to make your own contributions to the open source community! With this extensively updated cookbook, you'll find solutions for working with the user interfaces, multitouch gestures, location awareness, web services, and device features such as the phone, camera, and accelerometer. You also get useful steps on packaging your app for the Android Market. Each recipe provides a clear solution and sample code you can use in your project from the outset. Whether you are writing your first app or your hundredth, this is a book that you will come back to time and time again, with its many tips and tricks on the rich features of Android Pie.
Table of Contents (24 chapters)
Title Page
Copyright and Credits
Dedication
About Packt
Contributors
Preface
Index

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...