(Huawei HarmonyOS Hongmeng system practical application development course, leading students to understand the course of HarmonyOS Hongmeng system. The course is divided into two stages, the first part is the basic development stage of HarmonyOS, and the second part is the advanced development stage of HarmonyOS. The course analyzes and explains the HarmonyOS system step by step from the inside out, allowing students to quickly master the application development of the HarmonyOS system and stand out in the workplace faster.)