By Raymond Camden, Apache Cordova in Action
You may know the fundamentals of building a mobile application, but that doesn’t mean you know how to build a good one. Here’s good example of bad UI.
Congratulations – you’re a (horrible) mobile developer! (PDF)
By Carlos Sessa, Jr, author of 50 Android Hacks
To draw directly on the screen, you can use Android’s Canvas class. In this hack from 50 Android Hacks, the author shows how to use this class to create a box that bounces around screen.