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