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In this chapter, we covered how to use an asynchronous web service. If you’re going to do much concurrent programming with classes such as ExecutorService, I recommend Java Concurrency in Practice [Goe06] by Brian Goetz.
Creating web services is beyond the scope of this book, but one of the easiest ways is to use the Google App Engine.[77] GAE allows you to host your own back-end services in the cloud using a variety of languages such as Java, Python, and PHP.
The next couple of chapters will explore a new level of interactivity through touch events and Google Services. If you’re anxious to learn more about data sources and data binding, you can skip ahead to Chapter 13, Putting SQL to Work. It covers a different way of taking ...
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