Problem saving offline files in Android Auto 10

App version

Production

Issue description

As you can see in this attached video, it’s not possible to save any offline mp3 files to a car stereo with Android 10.
The problem is the same whether you select internal or external storage. The file download starts, but once it’s complete, no files are saved.
Navigating with the file manager, I find thumbnails of the song covers under Android/data/app.symfonik.music.player, but I don’t find any downloaded MP3 files.
It’s possible there’s a permissions issue because the typical Android DocumentsUI popup (which normally appears with other apps that need to save to external storage) never appears when I first install Symfonium or when I cange the storage folder in Symfonium settings.
I tried manually enabling storage permissions for the app via the Android permissions menu, but the result remains the same.

The video is very short, but you can see at the beginning that “Download complete” appears in the lower screen when the download transfer finish, but no files are present in the “Files offline” tab.

Device type

Phone

Media provider

WebDAV

Steps to reproduce

See the video…

Additional information

Video of the issue https://youtu.be/ueDC6dH_8Mc

I searched existing issues first

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I understand that logs are mandatory

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Log upload name / description

None