Fast Forward

Thanks to the Eclipse plug-in, creating a skeletal Android program takes only a few seconds. In Chapter 3, Designing the User Interface, on page 43, we'll begin to flesh out that skeleton with a real application—a Sudoku game. This sample will be used in several chapters to demonstrate Android's API.

But before delving into that, you should take a few minutes to read Chapter 2, Key Concepts, on the following page. Once you grasp the basic concepts such as activities and life cycles, the rest will be much easier to understand.

Although the use of Eclipse to develop Android programs is optional, I highly recommend it. If you've never used Eclipse before, you may want to invest in a quick reference such as the Eclipse IDE Pocket Guide [Bur05].

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