A core function on the Android working system, this performance permits the show to transition right into a visually participating display saver whereas the gadget 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 instance, a person may set the gadget 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 gadgets with OLED shows, affords at-a-glance entry to data with out absolutely unlocking the gadget, and transforms a passively charging gadget right into a supply of ambient data or visible attraction. Traditionally, this functionality advanced from easy display savers designed to stop CRT monitor harm to a extra subtle methodology of data presentation and personalization.