Google App Engine Java and GWT Application Development Review

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(More customer reviews)This book walks the reader through development of a GWT and GAE Java social app called Connectr. Complete source code is provided. It covers the all aspect of the development and also teaches how to structure a scalable web app and what libraries, patterns and best practices to use. Even though I already knew some of GWT and GAE, this book takes it to the next level when it comes to building scalable and social apps. Here is some of what is covered: Google Web Toolkit interface building with UIBinder, CSS resource, client bundle, Remote Procedure Calls (RPC) with error handling and automatic retries, JDO, data store design, join-like queries, one-to-one and one-to-many relationships, pre-persist callbacks, transactions, Memcache, event bus, traditional MVP, MVP activities and places, server push with Channel API, Cron, task queues, XMPP, session management, authentication with Google, Twitter and Facebook and much more.
This book has a lot to offer. However it could use some more drawings or graphics but since the source code is provided, this is not such a big deal. As whole, if a developer wants to create a web app on App Engine with Google Web Toolkit, I strongly recommend this book because it made me avoid basic mistakes, taught me patterns and good structured GWT+GAE programming that is available nowhere else. In short it saved me a ton of time.

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This is a practical guide with a step-by-step approach that builds an application in stages. Each stage of the application is used along with screenshots to introduce or develop your understanding of how to write powerful GAE applications. If you are a developer with prior programming experience of Java development and object-oriented programming and want to understand the key concepts of how to build AJAX web applications with Java, then this book is for you. The book assumes some previous exposure to the basics of using GWT, for example at the level of Google's online introductory GWT tutorials. You don't need to know anything about Google App Engine. This book will teach you everything you need.