(Video introduction: This set of videos has 67 episodes in total, which is the number of courses in the first eight days of the 3G Android workshop. 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 talent acquisition held by everyone (perhaps). This set of video tutorial was carefully recorded by Li Huoming at the end of 2011 for the original Android core basic course)