Google Android dominates the mobile market, and by targeting Android,your apps can run on most of the phones and tablets in the world. This newfourth edition of the #1 book for learning Android covers all modern Androidversions from Android 4.1 through Android 5.0. Freshly added material coversnew Android features such as Fragments and Google Play Services. Android is aplatform you can't afford not to learn, and this book gets you started. Android is a software toolkit for mobile phonesand tablets, created by Google. It's inside more than a billion devices, makingAndroid the number one platform for application developers. Your own app couldbe running on all those devices! Getting started developing with Android is easy.You don't even need access to an Android phone, just a computer where you caninstall the Android SDK and the emulator that comes with it. Within minutes,Hello, Android gets you creating your first working application: Android'sversion of "Hello, World." From there, you'll build up a moresubstantial example: an Ultimate Tic-Tac-Toe game. By gradually adding featuresto the game, you'll learn about many aspects of Android programming, such ascreating animated user interfaces, playing music and sound effects, buildinglocation-based services (including GPS and cell-tower triangulation), andaccessing web services. You'll also learn how to publish your applications tothe Google Play Store. This fourth edition of the bestselling Androidclassic has been revised for Android 4.1-4.3 (Jelly Bean), 4.4 (KitKat), andAndroid 5.0 (Lollipop). Topics have been streamlined and simplified based onreader feedback, and every page and example has been reviewed and updated forcompatibility with the latest versions of Android. If you'd rather be coding than reading aboutcoding, this book is for you.