apk安装时so库存放路径

本是古典何须时尚 2022-06-11 06:29 360阅读 0赞

#  apk和so库的安装目录  #

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            <span class="link_postdate">2015-03-24 17:00</span>
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**[Android][] 4.4.2**

1、

**/data/system/packages.xml**     记录了apk安装的相关信息，包括包名、位置等，比如：

2、第三方apk，比如使用adb install安装的  
**/data/app**         第三方apk安装位置，比如：/data/app/com.youku.phone-1.apk  
**/data/app-lib**    第三方apk的so库安装位置，比如：/data/app-lib/com.youhu.phone-1/xxxxx.so

3、系统apk  
**/system/app**      系统apk安装位置，比如：/system/app/SystemUI.apk  
                                        /system/app/SystemUI.odex  
                                        /system/app/TelephonyProvider.apk  
                                        /system/app/TelephonyProvider.odex  
                                        /system/app/Stk.apk  
                                        /system/app/Stk.odex  
                                          
**/system/priv-app**   系统某些apk安装位置，比如：/system/delapp/InCallUI.apk  
                                            /system/delapp/InCallUI.odex  
                                            /system/delapp/Keyguard.apk  
                                            /system/delapp/Keyguard.odex  
                                            /system/delapp/Settings.apk  
                                            /system/delapp/Settings.odex  
                                            /system/delapp/Shell.apk  
                                            /system/delapp/Shell.odex  
                                            /system/delapp/TeleService.apk  
                                            /system/delapp/TeleService.odex  
                                            /system/delapp/Browser.apk  
                                            /system/delapp/Browser.odex  
                                            /system/delapp/Email.apk  
                                            /system/delapp/Email.odex  
  
**/system/lib**      系统apk的so库安装位置，也包括系统某些so库，比如：/system/lib/libril.so  
                                                                  /system/lib/libreference-ril.so  
                                                                  /system/lib/libssl.so  
                                                                  /system/lib/libsqlite.so  
                                                                  /system/lib/libsqlite3.so  
                                                                  /system/lib/libstdc++.so

4、

**/data/data/ **    存放apk运行时的数据，包括[数据库][Link 1]、文件等，比如：/data/data/com.android.incallui  
                                                               /data/data/com.android.systemui  
                                                               /data/data/com.youku.phone  
                                                               /data/data/com.android.settings  
                                                               /data/data/com.android.providers.settings  
                                                               /data/data/com.android.stk

5、

**/data/dalvik-cache/ **    缓存apk对应的dex文件，比如：/data/dalvik-cache/system@app@TelephonyProvider.apk@classes.dex  
                                                    **/data/dalvik-cache/system@framework@telephony-common.jar@classes.dex**  
                                                    /data/dalvik-cache/system@app@SystemUI.apk@classes.dex  
                                                    /data/dalvik-cache/system@app@Stk.apk@classes.dex  
                                                    /data/dalvik-cache/system@priv-app@InCallUI.apk@classes.dex

6、android源码中，**/system/core/init/Init.c** 加载的配置文件 **/system/core/rootdir/init.rc** 中，

\# setup the global environment  
    export PATH /sbin:/vendor/bin:/system/sbin:/system/bin:/system/xbin  
    export LD\_LIBRARY\_PATH /vendor/lib:/system/lib  
    export ANDROID\_BOOTLOGO 1  
    export ANDROID\_ROOT /system  
    export ANDROID\_ASSETS **/system/app**  
    export ANDROID\_DATA **/data**

\# give system access to wpa\_supplicant.conf for backup and restore  
    mkdir /data/misc/wifi 0770 wifi wifi  
    chmod 0660 **/data/misc/wifi/wpa\_supplicant.conf    明文保存wifi密码**  
    mkdir /data/local 0771 shell shell  
    mkdir /data/local/tmp 0771 shell shell  
    mkdir **/data/data** 0771 system system    如果没有会创建  
    mkdir /data/app-private 0771 system system  
    mkdir **/data/app** 0771 system system  
    mkdir /data/property 0700 root root  
  
    \# create dalvik-cache, so as to enforce our permissions  
    mkdir **/data/dalvik-cache** 0771 system system

参考：深入理解android卷1 第3章 深入理解init

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