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Developers, build mobile Android apps using Android 4 The fast-growing popularity of Android smartphones and tablets creates a huge opportunities for developers. If you're an experienced developer, you can start creating robust mobile Android apps right away with this professional guide to Android 4 application development. Written by one of Google's lead Android developer advocates, this practical book walks you through a series of hands-on projects that illustrate the features of the Android SDK. That includes all the new APIs introduced in Android 3 and 4, including building for tablets, using the Action Bar, Wi-Fi Direct, NFC Beam, and more. Shows experienced developers how to create mobile applications for Android smartphones and tablets Revised and expanded to cover all the Android SDK releases including Android 4.0 (Ice Cream Sandwich), including all updated APIs, and the latest changes to the Android platform. Explains new and enhanced features such as drag and drop, fragments, the action bar, enhanced multitouch support, new environmental sensor support, major improvements to the animation framework, and a range of new communications techniques including NFC and Wi-Fi direct. Provides practical guidance on publishing and marketing your applications, best practices for user experience, and more This book helps you learn to master the design, lifecycle, and UI of an Android app through practical exercises, which you can then use as a basis for developing your own Android apps.

Build unique mobile applications with the latest Android SDK Written by an Android authority, this up-to-date resource shows you how to leverage the features of Android 2 to enhance existing products or create innovative new ones. Serving as a hands-on guide to building mobile apps using Android, the book walks you through a series of sample projects that introduces you to Android's new features and techniques. Using the explanations and examples included in these pages, you'll acquire the foundation needed to write compelling mobile applications that use Android, along with the flexibility to quickly adapt to future enhancements. Professional Android 2 Application Development: Reviews Android as a development platform and¿best practices for mobile development Provides an in-depth look at the Android application components Details creating layouts and Views to produce compelling resolution independent user interfaces Examines Intents and Content Providers for sharing data Introduces techniques for creating map-based applications and using location-based services such as GPS Looks at how to create and use background Services, Notifications, and Alarms Demonstrates how to create interactive homescreen components Explores the Bluetooth, telephony, and networking APIs Examines using hardware, including the camera and sensors such as the compass and accelerometers Wrox Professional guides are planned and written by working programmers to meet the real-world needs of programmers, developers, and IT professionals. Focused and relevant, they address the issues technology professionals face every day. They provide examples, practical solutions, and expert education in new technologies, all designed to help programmers do a better job. Programmer Forums Join our Programmer to Programmer forums to ask and answer programming questions about this book, join discussions on the hottest topics in the industry, and connect with fellow programmers from around the world. Code Downloads Take advantage of free code samples from this book, as well as code samples from hundreds of other books, all ready to use. Read More Find articles, ebooks, sample chapters and tables of contents for hundreds of books, and more reference resources on programming topics that matter to you. wrox.com.