A core characteristic on the Android working system, this performance permits the show to transition right into a visually participating display saver whereas the machine is idle and charging, or docked. The content material offered can vary from easy clock shows and photograph slideshows to extra advanced interactive parts. For example, a consumer may set the machine to show a rotating gallery of private pictures or a information ticker whereas it rests on a charging stand.
This performance serves a number of functions. It mitigates display burn-in on units with OLED shows, affords at-a-glance entry to info with out totally unlocking the machine, and transforms a passively charging machine right into a supply of ambient info or visible enchantment. Traditionally, this functionality advanced from easy display savers designed to stop CRT monitor injury to a extra subtle technique of knowledge presentation and personalization.