Learn how to build native iOS/Android/Windows applications using your existing Java programming skills and your IDE of choice. This course teaches the basics of Codename One, an open source tool for mobile development in Java.

This is an introductory course that also explains the core concepts of mobile development and some of the more complex notions. The course builds a good looking "TODO" app with a cool title area animation effect. 

Most of the lessons in the course are completely standalone and don't require a sequence so you can just jump back and forth between the modules.