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| | h2. Creating a Simple RIA: Learning Points |
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| | The purpose of the Simple RIA Flickr application is to expose beginning Flex programmers to MXML and ActionScript syntax and to the Flex development process. |
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| | h6. Learn more |
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| | * {adbe-popup:http://labs.adobe.com/wiki/index.php/Flex:Sample_Applications}Flex:Sample Applications{adbe-popup} |
| | * {adbe-popup:http://www.onflex.org/ted/2007/01/top-5-resource-for-learning-flex.php}Top 5 Resource for Learning Flex {adbe-popup} |
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| | h3. Flex information relevant to the Flickr simple RIA |
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| | The following list summarizes key points that will help orient you to Adobe Flex technology. |
| | * Flex applications are Flash applications. |
| | ** Flex is a programmer-centric way to create Flash-based rich internet applications. |
| | ** Flex applications are rendered using Flash Player 9. |
| | ** Like all Flash RIAs, Flex SWF files are processed by the client, rather than the server. |
| | * The Flex framework contains the predefined class libraries and application services necessary to create Flex applications. |
| | ** The framework is available in a free SDK and the Eclipse-based IDE named Flex Builder. |
| | ** The framework includes a compiler that is available as a standalone tool or as part of Flex Builder. |
| | ** The class libraries and application services provide developers with standard components and tools for quick application development. |
| | Standard UI components can be extended and customized. |
| | * Flex applications are written using MXML and/or ActionScript. |
| | ** MXML is an XML-based markup language that is primarily used to layout application display elements. |
| | ** ActionScript is an ECMAScript-compliant object-oriented programming language that is primarily used for application logic. |
| | ** MXML and ActionScript code are compiled into binary SWF files. |
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| | h3. What you will learn in the Flickr simple RIA |
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| | When exploring the Flickr simple RIA code, you will learn how to: |
| | * Create a user interface using *MXML* to accept user-supplied keywords and display photos |
| | * Write a method and event handler using *ActionScript* |
| | * Request and handle RSS data from Flickr using Flex *HTTPService* |
| | * Create a bindable XML variable used to populate a *Tile* component |
| | * *Cast* data as XML |
| | * Create a *namespace* for the XML thumbnail and description data |
| | * Create an *item renderer* to display photo thumbnail and description in the Tile component |
| | * Create a custom *component* |
| | * Customize the application display |
| | For step-by-step instructions to build this application, see [the Tutorial|1d. RIA Tutorial]. |
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