How do you copy a text file from root directory to ASD?

[Anke]

Error 908: The permission read_external_storage has been denied

To list / read non-media files from a Shared folder they must be created by the app itself. [grafik]

You cannot copy a non-media file (like .txt, .pdf, .csv, ...) that is not created by the app itself, from this path to the ASD, even not with SAF.

See also here (especially the overview at the end):

Some basics on Android storage system

From an Android point of view there are an → Internal Storage and an → External Storage . 1. Internal Storage The Internal Storage can only be accessed with a rooted device. 1.1 The app package is saved in /data/data/<packageName>/ In order to be able to debug your app, AI2 saves the assets for → Companion on devices with Android ≥ 10 (API ≥ 29): /storage/emulated/0/Android/data/edu.mit.appinventor.aicompanion3/files/assets/ Android < 10 : /storage/emulated/0/Android/data/edu.mit.a…