Understanding Android System Architecture
Android System Architecture
The Android system architecture is composed of several layers, each of which provides a specific set of services and functionality. The layers are:
- Linux kernel: The Linux kernel is the core of the Android operating system. It provides the basic services that all other layers rely on, such as memory management, process scheduling, and device drivers.
- Hardware Abstraction Layer (HAL): The HAL provides a layer of abstraction between the Android software and the underlying hardware. This allows the Android software to be independent of the specific hardware platform that it is running on.
- Android Runtime (ART): The ART is a new runtime environment that is used to run Android applications. ART is designed to be more efficient and secure than the previous runtime environment, Dalvik.
- Android Framework: The Android Framework provides a set of APIs that developers can use to build Android applications. The Framework includes APIs for things like user interface, networking, and storage.
- Applications: Applications are the software that users interact with on their Android devices. Applications can be anything from games to productivity tools to social media apps.