A core characteristic 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 introduced can vary from easy clock shows and photograph slideshows to extra complicated interactive components. For example, a person may set the gadget 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 gadgets with OLED shows, gives at-a-glance entry to info with out totally unlocking the gadget, and transforms a passively charging gadget right into a supply of ambient info or visible attraction. Traditionally, this functionality advanced from easy display savers designed to forestall CRT monitor harm to a extra refined methodology of knowledge presentation and personalization.