HarmonyOS 3.0.0 Developer Preview


Extended TypeScript (eTS) extends TypeScript by adding capabilities that work with the ArkUI framework, such as declarative UI and status management. With eTS, you will be able to develop high-performance applications in a simpler and more natural manner.


ArkUI is a declarative UI development framework for building HarmonyOS application UIs.


ArkCompiler is a unified programming platform developed by Huawei. Its key components include a compiler, toolchain, and runtime. By leveraging ArkCompiler, you'll be able to compile and run high-level programming languages on the multi-chip platform, and create applications and services that can run on a wide range of different devices, from phones and laptops, to tablets, TVs and wearables.