Copy file to ASD with SAF - Error

[ChrisWard]

@Frank-HRO

The file is a backup of the most important files for the app.

From the App? So this is a personal use App, not shared or distributed.

See this guide by Anke:

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…

There is an excellent diagram which shows you do not need to use SAF for read or write in this case.

Given that it's a backup, have you considered uploading to the Cloud, Google Drive for instance?

https://ai2.metricrat.co.uk/guides/upload-any-file-to-google-drive-with-ai2

There is also an extension:

[PAID] Google Drive Extension - Download, upload, edit & delete files

Google Drive Extension An extension to download, upload, edit, modify and delete files from your google drive. Support all Android version. (Tested with Android 10, 11, 12, 13) [image] Extension Properties You need to set folder id from Block Section or from Designer Section. [image] [image] Requirements Upload File Using this block you can upload any file from storage. [image] fileType - Set specific file type to pick file from storage. [image…