[Go] Get the app's internal storage path

first, the internal storage path is/data/data/youpackagename/, each of the paths explained below is based on your own application's internal storage path. Files saved in all internal storage are deleted when the user uninstalls the app.

A. Files
1. Context.getfilesdir (), which returns the file object of/data/data/youpackagename/files.
2. Context.openfileinput () and Context.openfileoutput (), can only read and write files under file, and return the FileInputStream and FileOutputStream objects.
3. Context.filelist (), returns all file names under files, and returns the String[] object.
4. Context.deletefile (String), delete the file with the name specified under files.

Second, Cache
1. Context.getcachedir (), which returns the file object of/data/data/youpackagename/cache.

Third, custom dir

Getdir (String name, int mode), returns the folder file object of/data/data/youpackagename/Under the specified name, and creates a new folder with the specified name if the folder does not exist.

Transferred from: http://blog.csdn.net/vvqiu/article/details/8551036