Http://mobile.51cto.com/abased-375025.htmhttp://blog.sina.com.cn/s/blog_7db304660100xgpp.html
Android/data: This is the cache path of the application. If you clear the cache of the application in the settings, the data in this directory will also be cleared, it is the same as data/package name /.
19:39:34-17. 681: I/Tag (8150): getexternalfilesdir (environment. directory_movies); =/storage/sdcard0/Android/data/COM. example. onlyfortest/files/Movies07-17 19:23:25. 187: I/Tag (6496): This. getapplicationcontext (). getcachedir () =/data/COM. example. onlyfortest/Cache
07-17 19:23:25. 187: I/Tag (6496): environment. getdatadirectory () =/Data
07-17 19:23:25. 187: I/Tag (6496): environment. getexternalstoragestate () = mounted
07-17 19:23:25. 187: I/Tag (6496): environment. getdownloadcachedirectory () =/Cache
07-17 19:23:25. 187: I/Tag (6496): environment. getrootdirectory () =/System
07-17 19:23:25. 187: I/Tag (6496): environment. getexternalstoragepublicdirectory () =/storage/sdcard0/pictures
07-17 19:23:25. 187: I/Tag (6496): environment. getexternalstoragedirectory () =/storage/sdcard0
First, the internal storage path is/data/youpackagename/. The paths described below are based on the internal storage path of your own application. All files stored in the internal storage will be deleted when the user uninstalls the application.
1. files1. context. getfilesdir (). This method returns the file object of/data/youpackagename/files. 2. Context. openfileinput () and context. openfileoutput () can only read and write files. The returned objects are fileinputstream and fileoutputstream. Www.2cto. com3. context. filelist (), returns all file names under files, and returns the string [] object. 4. Context. deletefile (string): delete the file with the specified name under files. 2. cache1. context. getcachedir (). This method returns the file object/data/youpackagename/cache. 3. Custom dirgetdir (string name, int mode), return the file object of the specified name under/data/youpackagename, if the folder does not exist, use the specified name to create a new folder. If you want to store a content in a path without knowing where it is suitable, you can view all the paths and learn about the android storage structure.
