This fully reworked edition of a proven title is the most useful real-world guide to building robust, commercial-grade Android™ apps. The content is revised and updated for the latest Android 4.3 SDK and the newest development best practices. Introduction to Android™ Application Development: Android Essentials, Fourth Edition,covers all you need to quickly start developing professional apps for today's Android devices. Three expert developers guide you through setting up your development environment, designing user interfaces, developing for diverse devices, and optimizing your entire app-development process–from design through publication. Updated throughout, this title includes extensive coverage of the most useful new Android tools and utilities. It adds an all-new chapter on planning an amazing Android app user experience, plus extensive new coverage of unit testing, dialogs, preferences, and app publishing.