• It is a Packt Beginner’s Guide, which means it is packed with clear step-by-step instructions for performing the most useful tasks.• The first book dedicated to QooxdooQooxdoo 1.4 beginner’s guide is intended for the client side developers who design and develop internet web applications and enterprise web applications. If you want to start developing RIA applications in Qooxdoo, this book would be a great help to jump start your development. If you are already developing Qooxdoo applications, this book will help you to go through the Qooxdoo framework quickly to improve your contribution to your project.This book is also intended for the desktop application developers who want to move into RIA development and develop internet web applications and rich enterprise web applications.It also provides an idea for the Architects and Lead developers to know about the Qooxdoo and evaluate the framework.It helps beginners in Qooxdoo to easily set up the development environment and explains the concepts in an order that is easily graspable by beginners. Include title or series in this part.This is a Packt beginner’s guide. The unique style of the book is to set the requirements for an application, Team Twitter, in the first chapter and apply the concepts in the application as you learn in the following chapters. When you complete this book, you will have developed a complete application.Although the scope of this book is only on the Qooxdoo framework, which is a client side framework, we have explained how to set up one of the RPC servers and demonstrated the end to end application in the Team Twitter.This book helps developers understand the Qooxdoo framework, set up the environment, and start the development of RIA using Qooxdoo. You will learn the core programming techniques in Qooxdoo, user interface development in Qooxdoo, testing and debugging Qooxdoo applications, internationalization of Qooxdoo applications to multiple languages, customizing the look and feel of Qooxdoo applications using Themes, Performance management, etc.In the course of the book, we develop a complete application which will help the developer to understand the concepts better and put things together to see the step by step progress to complete an application. By the end, this book will get the developer accustomed to the widgets and API available in the Qooxdoo framework, and will enable him to design, develop, debug, and test the RIA in Qooxdoo.