ohos_wide_screen_uikit是一套基于ArkTS语言开发的轻量级、面向宽屏幕设备的UI组件库，该组件库基于宽屏类设备特有的场景设计，可提供高效的UI组合控件，做到开箱即用、相互独立
Development self-test framework | 开发者自测试框架
Development self-test and the base library of XTS certification testing | 开发自测试与XTS认证测试基础库
The OpenHarmony JS UI framework provides basic, container, and canvas UI components and standard CSS animation capabilities. It supports the web-development-like programming paradigm.
