![]() ![]() ART is written to run multiple virtual machines on low-memoryįormat (DEX) files, a bytecode format designed specifically forĪndroid that's optimized for a minimal memory footprint. Runs in its own process and with its own instance of the Android Runtime System loads the library module for that hardware component.įor devices running Android version 5.0 (API level 21) or higher, each app When a framework API makes a call to access device hardware, the Android Modules, each of which implements an interface for a specific type of hardwareĬomponent, such as the camera or Bluetooth module. Hardware abstraction layer (HAL) provides standard interfaces that exposeĭevice hardware capabilities to the higher-level Java API framework. Security features and lets device manufacturers develop hardware Using a Linux kernel lets Android take advantage of key Underlying functionalities such as threading and low-level memory management. The Android Runtime (ART) relies on the Linux kernel for ![]() ![]() The foundation of the Android platform is the Linux kernel. Android is an open source, Linux-based software stack created for a wideĪrray of devices and form factors. ![]()
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