It's explained in the readme. Granting access to folders on the file system is a process independent from permissions. This is from the Android documentation[1

It's explained in the readme. Granting access to folders on the file system is a process independent from permissions. This is from the Android documentation[1]: "Because the user is involved in selecting the files or directories that your app can access, this mechanism doesn't require any system permissions […]" [1] https://developer.android.com/training/data-storage/shared/documents-files https://developer.android.com/training/data-storage/shared/d...