Android Galaxy S4 — Activity that is visible over lock screen

Question

A few years ago, I wrote an alarm app that worked on Android 2, and I\'m now trying to upgrade it to work on Android 4. Specifically, on the Samsung Galaxy S4.

On A

Answer 1

Not sure if this is the problem in all cases, but the documentation on ShowWhenLocked says it applies only to the top-most full-screen window. I had a window themed as a dialog which was not working, but it worked fine once I changed it to a regular full-screen window.