An extremely simple open-source foreground/background player app for audio/video files on Android devices. The app utilizes the latest technologies by Google, such as Android Jetpack Compose and media3.
You can find the source code here: https://github.com/avsDeveloper/AVSPlayer
One or several audio/video files can be selected with the help of the OS-provided built-in file manager.
Audio/video files are played in the foreground/background by default, with no additional settings required.
A convenient standard notification allows for controlling the player without opening the app.
All additional controls are provided in the bottom sheet dialog.