I have implemented a MusicPlayerService
by following the official guide from the Android Developers site. At multiple places, I have found the information that this should be enough to make my app ready for Android Auto.
But if I open that (just the phone interface because I don't have a compatible car at the moment), the list of music providers just contains Google Music and the already installed VLC media player. To verify I also downloaded, compiled and installed the Universal Music Player example, which isn't showing up either.
Do I have to enable something or even upload the app to Google Play first?
EDIT: I now tested it with the Desktop Head Unit and it works. Afterwards the service is also visible on the phone interface. But this is not the expected behavior, right?