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HarmonyOS Kernel (HongMeng Kernel), sometimes referred to as the Harmony kernel, is a computer operating system (OS) kernel developed by Huawei since August 2023. It is used in the HarmonyOS 5 version of the proprietary HarmonyOS distributed operating system, replacing previous versions that utilized the AOSP compatibility layer, the Linux ...
HarmonyOS is designed with a layered architecture, which consists of four layers; the kernel layer at the bottom provides the upper three layers, i.e., the system service layer, framework layer and application layer, with basic kernel capabilities, such as process and thread management, memory management, file system, network management, and ...
The kernel of HarmonyOS NEXT does not include the compatibility layer of AOSP framework with Android libraries from EMUI in the user space and cannot run Android apk apps natively, as is the case with the dual framework HarmonyOS.
Similar to HarmonyOS, the open-source distributed operating system is designed with a layered architecture, consisting of four layers from the bottom to the top: the kernel layer, system service layer, framework layer, and application layer.
The first public release of HarmonyOS 1.0 with LiteOS and Linux kernel space with AOSP compatibility layer occurred with the release of Huawei's former brand Honor Vision smart TVs on August 15, 2019, after it was announced on August 10, 2019, as the first HarmonyOS powered commercial product in Huawei's domestic market, China alongside smart IoT devices on LiteOS kernel.
Ark Compiler, also known as ArkCompiler, is a unified compilation and runtime platform that supports joint compilation and running across programming languages and chip platforms, also operating systems of open-source OpenHarmony, Oniro OS, alongside proprietary HarmonyOS with single core system HarmonyOS NEXT included on native APP in Event-driven programming in a unified development ...
openEuler 21.09 version launched with new file system called EulerFS, also a kernel upgrade that is organized similar to classic HarmonyOS and OpenHarmony multi-kernel architecture that carries both RTOS kernel and Linux kernel on October 1, 2021. Also, the operating system supports, UniProton RTOS kernel and kubeOS containerised OS.
Compared to previous versions of ArkUI 1.0 and 2.0 under imperative development with Java in earlier versions of HarmonyOS. [8] During HDC 2022 HarmonyOS 3.1 in November 2022, Huawei ArkUI evolved into full declarative development featuring declarative UI capabilities, improved layout ability, component capability improvement and others.