(Huawei Hongmeng system Hongmeng system practical application development course, leading students to understand the course of 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 gradually analyzes and explains the harmonyos system from inside to outside, so that students can quickly master the application development of harmonyos system and stand out faster in the workplace.)