A core characteristic on the Android working system, this performance permits the show to transition right into a visually participating display saver whereas the system is idle and charging, or docked. The content material introduced can vary from easy clock shows and picture slideshows to extra complicated interactive components. For example, a person would possibly set the system to show a rotating gallery of non-public 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 system, and transforms a passively charging system right into a supply of ambient info or visible attraction. Traditionally, this functionality developed from easy display savers designed to forestall CRT monitor harm to a extra subtle methodology of data presentation and personalization.