[hpslate17user]

If the navigation bar is hidden, the notification bar is automatically hidden as well (it's called immersive mode on Android). Unfortunately, this is not something I can control - it's all or nothing.

I've also fixed the issue in the annotations editor with the navigation bar not being hidden after any dialog is displayed. I basically had to add code in every spot where a dialog is shown and rehide the navigation bar once the dialog is closed (pretty tedious).

I don't seem to be able to get the notification bar to hide at the top of the screen when returning to the library screen. It goes away automatically after a few seconds though..

I have Android kitkat and I still get the navigation bar obscuring the song overlay icons, for example after changing between 1 and 2 page turns.  It seems OK on my Android 6 phone though.