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Flash for ColdFusion: Developing Rich Internet Applications

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Learn about RIAs, advantages, and challenges, how Flash can enhance user experience, and integrate Flash into ColdFusion applications. Explore communication methods and the future of Flash RIAs.

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Flash for ColdFusion: Developing Rich Internet Applications

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Presentation Transcript

  1. Flash for CFers An Introduction to Rich Internet Application Development

  2. About This Session • Explanation of an RIA • Examples of RIAs • Advantages and “challenges” • What Flash can do • Deconstructing a simple RIA • How Flash and RIAs relate to ColdFusion

  3. What is an RIA? • Applications that download over the Internet, but run locally on the client • Primarily exchange only data over socket connections after an initial download rather than “pages” • Rich Internet “Applets” • Examples…

  4. Advantages of RIAs • More interactive, intuitive, entertaining, streamlined user interface • More advanced functionality than HTML • More efficient application model (only data being transferred, not entire pages) • Ubiquitous, cross-platform support

  5. RIA Considerations I • Performance gains may be negligible because: • The time it takes for components to render new data sets • Browsers are extremely optimized and render HTML very fast • CSS dramatically reduces the size of HTML files (though still has a somewhat limited audience) • Browsers are very good at caching

  6. RIA Considerations II • There is an initial download with an RIA • The structure of RIAs can be tricky • People should only download what they are going to use • The Flash player doesn’t support file upload right now • People are used to HTML

  7. RIA Final Consideration • Above all else, pick the right tool for the job!

  8. How Does Flash Fit Into Your Application Architecture? • Integrate Flash into your ColdFusion/HTML application • Add a Flash interface to your ColdFusion application

  9. Communication Between Flash and ColdFusion • loadVariables • LoadVars • XML • Flash Remoting • Web Services (SOAP) • Socket Connections

  10. ActionScript 2.0 • ActionScript is Flash’s scripting language, like JavaScript • Object oriented • private, protected and public keywords • Typed • Compile-time error checking! • Exception handling • Java-like syntax • Import • Classpath • Inheritance

  11. Flash Video • Flash supports its own video format (FLV) • Flash encodes, the player decodes • Sorenson Spark Codec (compression/decompression) • True streaming capabilities with services like VitalStream.

  12. The Future of Flash RIAs • Flash Authoring • ColdFusion • Central • Flex • Breeze • FlashPaper • RoboDemo

  13. Deconstructing an RIA • Application demo • A simple ColdFusion application architecture • WDDX for persistence • Using web services to talk to Flash • Flash media streaming • Simple Flash animation

  14. Application Diagram

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