(Video introduction: This set of videos has 67 episodes in total, which is the number of courses in the first eight days of 3G Android office class. What you get now is the video courses in the first six days, and the video courses in the next two days need to participate in the mobile talents held by everyone (perhaps). This set of video tutorial was carefully re recorded by Li Huoming at the end of 2011 for the original Android core basic course. Compared with the early Android course)