A core characteristic on the Android working system, this performance permits the show to transition right into a visually partaking display saver whereas the gadget is idle and charging, or docked. The content material offered can vary from easy clock shows and picture slideshows to extra complicated interactive components. For example, a consumer 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, provides at-a-glance entry to data with out totally unlocking the gadget, and transforms a passively charging gadget right into a supply of ambient data or visible enchantment. Traditionally, this functionality advanced from easy display savers designed to stop CRT monitor harm to a extra refined technique of knowledge presentation and personalization.