This a series of log HAL development of the whole process code, the students are interested can look down, run a run

code
....\external
....\........\sepolicy
....\........\........\service.te
....\........\........\service_contexts
....\frameworks
....\..........\base
....\..........\....\Android.mk
....\..........\....\core
....\..........\....\....\java
....\..........\....\....\....\android
....\..........\....\....\....\.......\app
....\..........\....\....\....\.......\...\SystemServiceRegistry.java
....\..........\....\....\....\.......\content
....\..........\....\....\....\.......\.......\Context.java
....\..........\....\....\....\.......\os
....\..........\....\....\....\.......\..\IJoffeeService.aidl
....\..........\....\....\....\.......\..\JoffeeManager.java
....\..........\....\services
....\..........\....\........\core
....\..........\....\........\....\jni
....\..........\....\........\....\...\Android.mk
....\..........\....\........\....\...\com_android_server_joffeeService.cpp
....\..........\....\........\....\...\onload.cpp
....\..........\....\........\java
....\..........\....\........\....\com
....\..........\....\........\....\...\android
....\..........\....\........\....\...\.......\server
....\..........\....\........\....\...\.......\......\JoffeeService.java
....\..........\....\........\....\...\.......\......\SystemServer.java
....\hardware
....\........\libhardware
....\........\...........\include
....\........\...........\.......\hardware
....\........\...........\.......\........\joffee.h
....\........\...........\modules
....\........\...........\.......\joffee
....\........\...........\.......\......\Android.mk
....\........\...........\.......\......\Android.mk~
....\........\...........\.......\......\joffee.cpp
....\........\...........\.......\......\joffee.cpp~
....\packages
....\........\experimental
....\........\............\Joffee
....\........\............\......\Android.mk
....\........\............\......\AndroidManifest.xml
....\........\............\......\res
....\........\............\......\...\drawable
....\........\............\......\...\........\ic_launcher.png
....\........\............\......\...\layout
....\........\............\......\...\......\activity_main.xml
....\........\............\......\...\......\activity_main.xml~
....\........\............\......\src
....\........\............\......\...\com
....\........\............\......\...\...\yuyong
....\........\............\......\...\...\......\joffee
....\........\............\......\...\...\......\......\MainActivity.java
....\........\............\......\...\...\......\......\MainActivity.java~
....\read me.txt

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