深入理解AudioService本章主要内容：探讨AudioService如何进行音量管理了解音频外设的管理机制探讨AudioFocus的工作原理本章涉及的源代码文件名及位置：AudioManager.javaframework/base/media/java/android/media/AudioManager.javaAudioService.javaframework/base/media/java/android/media/AudioService.javaAudioSystem.javaframework/base/media/java/android/media/AudioSystem.javaVolumePanel.javaframework/base/core/java/android/view/VolumePanel.javaWiredAccessoryObserver.javaframework/base/services/java/com/android/server/WiredAccessoryObserver.javaPhoneWindow.javaframework/base/policy/src/com/android/internal/policy/impl/PhoneWindow.javaActivity.javaframework/base/core/java/android/app/Activity.java
相关资源：敏捷开发V1.0.pptx