The potential to render graphics on prime of different operating purposes on the Android working system permits distinctive consumer interface enhancements and functionalities. For instance, a consumer would possibly make use of this performance to create a floating widget displaying system info whereas concurrently utilizing an internet browser or different utility. That is achieved via system-level permissions and cautious administration of the window layer.
This function offers builders with the power to supply overlays for numerous functions, from enhancing accessibility to rising productiveness. Traditionally, the power to show visible parts on prime of different purposes was reserved for system-level processes. Nonetheless, fashionable Android variations grant particular permissions that permit third-party purposes to leverage this performance, supplied customers explicitly grant the required permission. This contributes to a extra customizable and interactive consumer expertise, significantly in multitasking situations.