Access to Android private folders

First, the internal storage path is/data/data/youpackagename/, and the paths explained below are 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 (), this method returns the file object of the/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 (), this method returns the file object of the/data/data/youpackagename/cache.

Third, custom Dir

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

Access to Android private folders