castengine_wifi_display部件别名Sharing，媒体分享之意。基于投播框架开发，拥有流媒体协议接入、媒体预览、媒体转分发等通用能力，受投播管理服务框架管理和调用，提供Miracast镜像投屏能力，是音视频投播子系统重要的流媒体能力部件。
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.
ArkUI framework | ArkUI开发框架
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.
System ability framework | 系统服务框架定义
