Samsung has a Dark Mode in its latest One UI interface, and Google is following suit with stock Android

In just the latest installment of a default Android app blackout, Google's Assistant gets a Dark Mode option in its newest beta edition, complete with white text on a black background. 

Google is a bit behind in the dark mode game compared to manufacturer overlays, but it is steadily darkening the core Android apps to be gentler on your eyes at night and on the battery life of OLED display phones at any time. The next Android 10 Q version is heavily rumored ...