The aptitude to render graphics on high of different operating functions on the Android working system allows distinctive person interface enhancements and functionalities. For instance, a person would possibly make use of this performance to create a floating widget displaying system info whereas concurrently utilizing an online browser or different utility. That is achieved by system-level permissions and cautious administration of the window layer.
This function offers builders with the flexibility to supply overlays for numerous functions, from enhancing accessibility to rising productiveness. Traditionally, the flexibility to show visible parts on high of different functions was reserved for system-level processes. Nonetheless, trendy Android variations grant particular permissions that enable 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 eventualities.