[Android reverse] application data directory (files data directory | lib application built-in so dynamic library directory | databases SQLite3 database directory | cache directory)

One 、 Application data directory /data/data/package.name/files

---

/data/data/package.name/files Directory is the application data directory , Generally store the application operation related documents , Such as updating documents , Archive file , Resource files, etc ;

drwxrwx--x 20 u0_a469 u0_a469       4096 2021-10-26 20:38 files

Two 、 Bring their own so Dynamic library /data/data/package.name/lib

---

/data/data/package.name/lib It comes with the app so Dynamic library , Files installed during application installation ;

Below /data/data/com.qidian.QDReader/lib The file is a soft link file , The real file address is /data/app/com.qidian.QDReader-GTqLCxuMlq6CJtnOVz1LgQ==/lib/arm Address , This is the installation directory of the application ;

lrwxrwxrwx  1 root    root            66 2021-10-26 10:10 lib -> /data/app/com.qidian.QDReader-GTqLCxuMlq6CJtnOVz1LgQ==/lib/arm

3、 ... and 、 Database files /data/data/package.name/databases

---

/data/data/package.name/databases File is the directory of database file , The files in this directory are sqlite3 Database files ; sqlite3 yes Android The internal lightweight relational database ;

/data/data/com.qidian.QDReader/databases The files in the directory are as follows :

Four 、 Cache file /data/data/package.name/cache

---

/data/data/package.name/cache Catalog , Generally used for caching directories ; It can be deleted frequently ;

The files can be of any type ;