Book excerpt: This book covers the various aspects of developing web-based applications for iOS. Over the past four years, the iPhone and iPad have been amazingly successful. Because of this success, application developers are entering a world of sophisticated, multifunctional mobile applications. Now mobile web-based applications can bring together web apps, native apps, multimedia video and audio, and the mobile device itself. By using this book you will learn how to create a mobile application from beginning to end, utilizing open source frameworks to speed up development times, emulate the look and feel of built-in Apple applications, capture finger touch interactions, and optimize applications for Wi-Fi and wireless networks. The book introduces you to the web application platform for iOS. It also guides you through the process of building new applications from scratch as well as migrating existing web applications to this new mobile platform. By doing this, the book helps readers design a user interface that is optimized for iOS touch-screen displays and integrate their applications with iPhone services, including Phone, Mail, Google Maps, and GPS. This book is aimed at beginning and intermediate web developers who want to learn how to build new applications for iOS or migrate existing web apps to this platform. In general, you will find it helpful if you have a working knowledge of these technologies: HTML/XHTML CSS JavaScript Ajax