The power for an utility to show content material on prime of different purposes is a characteristic current within the Android working system. This technique performance permits an app to create overlays, showing above different working applications. A sensible instance of this can be a floating chat head that is still seen whatever the energetic utility.
This functionality gives quite a few benefits, starting from enhanced consumer accessibility to progressive utility functionalities. Traditionally, it has been utilized to create instruments that enhance multitasking, accessibility providers providing personalised help, and apps with customized interface components that increase current purposes. It ought to be famous that the unrestrained or malicious implementation of this characteristic may end up in safety vulnerabilities and compromised consumer expertise.