How do I save a non-media file (txt, csv) in one of the Shared folders and read it on Android 11+ ( and fix beginners bugs)

[TIMAI2]

See this, regarding the /Download folder on a Chromebook:

Downloading Files through Webviewer on Chromebook

OK, my understanding is that you are using a Chromebook, with AppInventor Companion installed as an Android app, and that you are having trouble accessing files that are downloaded through the webviewer, using webviewextra. I have an Acer 715 Chromebook, and can relate my experience with the above, and possibly how to resolve the issue. The Chromebook creates a facsimile of the Android file system in a directory called "Play Files". You should see this if you open the Files app on your Chrom…

and this

WebViewExtra - Upload/Download Files with webviewer (and much more...)

WebViewExtra [wveicon] An extension for AI2 that extends the features of the native webviewer. The extension, by default, will provide the following features: allow for uploading of files from within a webviewer. (Developers will need to provide suitable html solutions...) allow for downloading of files from within a webviewer, even from Google Drive shared folders! Files are saved to the Download directory in Shared storage. sets READ and WRITE in the app / aia project, enabling the setting…