How Android Framework Services Communicate Across System Processes
When an Android app asks for the device location, checks installed packages, launches another activity, or posts a notification, the request often looks like a simple Java or Kotlin method call. Behind that call, however, something much more interesting may be happening. Your application normally runs inside its own Linux process, while many important Android framework services live somewhere else. Android therefore needs a fast, controlled, and secure way for applications and system components to communicate across process boundaries. This ...
