File list (Check if you may need any files):
ch21_jni_native_audio\.classpath
.....................\.project
.....................\AndroidManifest.xml
.....................\default.properties
.....................\.externalToolBuilders\jni_native_audio.launch
.....................\assets\background.mp3
.....................\bin\ch21_jni_native_audio.apk
.....................\...\classes.dex
.....................\...\resources.ap_
.....................\...\mobile\android\ch21\jni\nativeaudio\NativeAudio$1.class
.....................\...\......\.......\....\...\...........\NativeAudio$2.class
.....................\...\......\.......\....\...\...........\NativeAudio$3.class
.....................\...\......\.......\....\...\...........\NativeAudio.class
.....................\...\......\.......\....\...\...........\R$attr.class
.....................\...\......\.......\....\...\...........\R$drawable.class
.....................\...\......\.......\....\...\...........\R$id.class
.....................\...\......\.......\....\...\...........\R$layout.class
.....................\...\......\.......\....\...\...........\R$string.class
.....................\...\......\.......\....\...\...........\R.class
.....................\gen\mobile\android\ch21\jni\nativeaudio\R.java
.....................\jni\Android.mk
.....................\...\android_clip.h
.....................\...\hello_clip.h
.....................\...\native-audio-jni.c
.....................\libs\armeabi\libnative-audio-jni.so
.....................\obj\local\armeabi\libnative-audio-jni.so
.....................\...\.....\.......\objs\native-audio-jni\native-audio-jni.o
.....................\...\.....\.......\....\................\native-audio-jni.o.d
.....................\res\drawable\icon.png
.....................\...\layout\main.xml
.....................\...\values\strings.xml
.....................\src\mobile\android\ch21\jni\nativeaudio\NativeAudio.java
.....................\bin\mobile\android\ch21\jni\nativeaudio
.....................\gen\mobile\android\ch21\jni\nativeaudio
.....................\src\mobile\android\ch21\jni\nativeaudio
.....................\bin\mobile\android\ch21\jni
.....................\gen\mobile\android\ch21\jni
.....................\obj\local\armeabi\objs\native-audio-jni
.....................\src\mobile\android\ch21\jni
.....................\bin\mobile\android\ch21
.....................\gen\mobile\android\ch21
.....................\obj\local\armeabi\objs
.....................\src\mobile\android\ch21
.....................\bin\mobile\android
.....................\gen\mobile\android
.....................\obj\local\armeabi
.....................\src\mobile\android
.....................\bin\mobile
.....................\gen\mobile
.....................\libs\armeabi
.....................\obj\local
.....................\res\drawable
.....................\...\drawable-hdpi
.....................\...\drawable-ldpi
.....................\...\drawable-mdpi
.....................\...\layout
.....................\...\values
.....................\src\mobile
.....................\.externalToolBuilders
.....................\assets
.....................\bin
.....................\gen
.....................\jni
.....................\libs
.....................\obj
.....................\res
.....................\src
ch21_jni_native_audio