A core characteristic on the Android working system, this performance permits the show to transition right into a visually partaking display saver whereas the machine is idle and charging, or docked. The content material introduced can vary from easy clock shows and picture slideshows to extra advanced interactive parts. For instance, a consumer would possibly set the machine to show a rotating gallery of non-public images 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, gives at-a-glance entry to data with out absolutely unlocking the machine, and transforms a passively charging machine right into a supply of ambient data or visible attraction. Traditionally, this functionality developed from easy display savers designed to forestall CRT monitor injury to a extra subtle methodology of data presentation and personalization.