The aptitude to render graphics on high of different working purposes 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 data whereas concurrently utilizing an internet browser or different utility. That is completed by way of system-level permissions and cautious administration of the window layer.
This function supplies builders with the flexibility to supply overlays for varied functions, from enhancing accessibility to growing productiveness. Traditionally, the flexibility to show visible components on high of different purposes was reserved for system-level processes. Nevertheless, trendy 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 person expertise, notably in multitasking situations.