(7. The system window calls the course Part1 Please download all the contents of this video tutorial in the special topic. You can update a lot of other tutorials such as massive software development, function optimization, and network development. You can click my user name to check the various resources I publish
7. System window call - "24 Android Common Knowledge Points for Use and Development" - Quick Video Tutorial for Experts - Geek Academy - Geek Academy. mp4
.....)