The characteristic below dialogue presents dynamic visible parts, comparable to photographs, animations, or informational shows, when an Android machine stays inactive for an outlined interval. A typical occasion entails a rotating gallery of pictures, a clock show, and even system standing info showing on the locked display screen after a user-defined timeout.
This operate serves to forestall display screen burn-in, a phenomenon the place extended show of static photographs leaves a everlasting ghost picture on the display screen. Traditionally, it provided important worth on older show applied sciences like CRT and early OLED panels. Whereas fashionable gadgets are much less prone, the characteristic retains worth by offering an aesthetically pleasing and informative idle display screen show. Furthermore, it might provide restricted display screen safety by minimizing total display screen on time.