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Overview

• Master cross platform application development
• Incorporate geo location into your apps
• Develop native looking web apps

Table of Contents

• Chapter 1: Gear up for the Journey
• Chapter 2: Catering to your Form Related Needs
• Chapter 3: Containers and Layouts
• Chapter 4: Building Custom Views
• Chapter 5: Dealing with Data and Data Sources
• Chapter 6: Adding the Components
• Chapter 7: Adding Audio/Visual Appeal
• Chapter 8: Taking your Application Offline
• Chapter 9: Engaging Users by Responding to Events
• Chapter 10: Increased Relevance Using Geolocation

手机的操作系统众多，跨平台的应用程序开发是个热点，有不少选择了JavaScript+HTML+CSS这一技术路线，比较著名的如PhoneGap。WebOS的两种应用开发方案，一个是基于C/C++的，另一种就是采用PhoneGap的，起初的版本里这两种方法在应用开发时还不能混用，后来支持了。PhoneGap支持的平台很多，除WebOS、iOS和Android，还有Windows Mobile、Symbian、BlackBerry等，这可比Enyo要强多了。Enyo需要一个“本地”的壳，而且惠普推荐PhoneGap，那开发者何不就用PhoneGap，需要的JavaScript框架除了Enyo之外，还有不少可以选择的，比如Sencha Touch。或许Enyo有其特点和优势，这点需要时间来验证。

Ext JS 4 is a JavaScript framework that provides resources to build Rich Internet Applications with great performance. Ext JS 4 has been packed with many new features and it is difficult to master, even for seasoned experts in Ext JS 3.
Ext JS 4 First Look teaches you the main functional areas of Ext JS 4 that have significant new features, explains the new features and how to use them, while highlighting the differences between Ext JS 4 and the previous versions.
This book will give you the knowledge to make the required changes to Ext JS 3 application to build a complete Ext JS 4 application.
This book provides examples of how to load Ext JS components by demand, charts, grid, tree, forms and panels, new data model, themes and mvc architecture.
Ext JS 4 First Look provides full examples and illustrations to help you easily learn the new features of Ext JS 4.