I don't know if this is possible. I can't seem to find any documentation explicitly saying it one way or another but is it possible to use an Imageservice in the AppStudio Map Viewer? When I attempt to use one it doesn't render in the app and doesn't display the Legend.
Hi Matthew,
This issue should be fixed in the AppStudio 4.0 final release, which is currently scheduled in late August.
Thanks,
Tina