Do you want to develop mobile apps with Java—and have them work on a variety of devices powered by iOS and Android? You’ve come to the right place. This project-driven book shows you how to build portable apps with two amazing open source frameworks, Google Web Tools (GWT) and PhoneGap. With these tools, you’ll use learn how to write Java code that compiles into cross-platform Javascript and HTML, and discover how to take advantage of features in several popular devices, such as the camera, accelerometer, and GPS. Get started with GWT by building an example Twitter search app Build a example web app and adapt it for mobile with CSS Add touch centric controls with the GWT Mobile UI library Develop a working wine journal app that tracks a user’s GPS location Use techniques to make a mobile version of your web or desktop app Work with HTML5 Canvas to build a mobile video game Package your apps for iOS, webOS, and Android with PhoneGap

Build HTML5-based hybrid applications for Android with a mix of native Java and JavaScript components, without using third-party libraries and wrappers such as PhoneGap or Titanium. This concise, hands-on book takes you through the entire process, from setting up your development environment to deploying your product to an app store. Learn how to create apps that have access to native APIs, such as location, vibrator, sensors, and the camera, using a JavaScript/Java bridge—and choose the language that gives you better performance for each task. If you have experience with HTML5 and JavaScript, you’ll quickly discover why hybrid app development is the wave of the future. Set up a development environment with HTML, CSS, and JavaScript tools Create your first hybrid Android project, using Eclipse IDE Use the WebView control to host your hybrid application Explore hybrid application architecture, including JavaScript/Java communication Build single-page applications, using JavaScript libraries such as Backbone and Underscore Get optimization tips and useful snippets for CSS, DOM, and JavaScript Distribute your application to Google Play and the Amazon Appstore

"This project-driven book shows you how to build portable apps with two ... open source frameworks, Google Web Toolkit (GWT) and PhoneGap. With these tools, you'll learn how to write Java code that compiles into cross-platform JavaScript and HTML, and discover how to take advantage of features in several popular devices, such as the camera, accelerometer, and GPS ... [and] package your apps for iOS, webOS, and Android with PhoneGap"--P. [4] of cover.

Helps you to learn how to create useful and marketable mobile apps for Android Application. This title provides you the information you need to excel in mobile app development. It lets you join the ranks of developers creating apps for Android.

Want to build apps for Android devices? This book is the perfect way to master the fundamentals. Written by experts who have taught this mobile platform to hundreds of developers in large organizations and startups alike, this gentle introduction shows experienced object-oriented programmers how to use Android’s basic building blocks to create user interfaces, store data, connect to the network, and more. Throughout the book, you’ll build a Twitter-like application, adding new features with each chapter. You’ll also create your own toolbox of code patterns to help you program any type of Android application with ease. Become familiar with the Android platform and how it fits into the mobile ecosystem Dive into the Android stack, including its application framework and the APK application package Learn Android’s building blocks: Activities, Intents, Services, Content Providers, and Broadcast Receivers Create basic Android user interfaces and organize UI elements in Views and Layouts Build a service that uses a background process to update data in your application

"This project-driven book shows you how to build portable apps with two ... open source frameworks, Google Web Toolkit (GWT) and PhoneGap. With these tools, you'll learn how to write Java code that compiles into cross-platform JavaScript and HTML, and discover how to take advantage of features in several popular devices, such as the camera, accelerometer, and GPS ... [and] package your apps for iOS, webOS, and Android with PhoneGap"--Page 4 of cover.