(1. This set of videos adheres to the selfless dedication spirit of Shangshu Academy and the spirit of sharing and cooperation of the mobile Internet, and shares the entire Android system with everyone. 2. The coverage of this set of video knowledge points is the widest and most in-depth on the market, from entry to intermediate level, to the end of any use explanation of a project. 3. This set of videos is very layered, and it was recorded by teacher Yao Wei of Shangshu Academy. Unlike other institutions that only launch videos that take the literal meaning of the text and whet the appetite of learners, this time they launched a complete set of Android videos, allowing readers to touch Shangshuyuan's Android teaching quality at close range.)