Android is a software toolkit for mobile phones, created by Google and the Open Handset Alliance. It’s inside millions of cell phones and other mobile devices, making Android a major platform for application developers. That could be your own program running on all those devices.
Within minutes, Hello, Android will get you started creating your first working application: Android’s version of “Hello, World.” From there, you’ll build up a more substantial example: an Android Sudoku game. By gradually adding features to the game, you’ll learn the basics of Android programming. Continue reading


