Rich Web Clients 20081118
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This document discusses rich internet applications (RIAs) and various technologies used to create them such as Adobe Flash, Flex, and AIR, Microsoft Silverlight, and JavaFX. It provides overviews of the capabilities and features of these technologies, their history and development, and barriers to their adoption. Examples of companies using different RIA technologies are given and questions are posed about satisfaction with current AJAX applications and interest in RIA technologies.
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Rich Web Clients 20081118
- 2. Web apps today • Development can be tedious • Browser compa;bility issues • Simplis;c interac;vity
- 3. Web apps in the future • Rich visualiza;ons • Highly interac;ve • Data rich • Real‐;me data push • Desktop integra;on
- 4. Adobe Flash and AIR • Distributed by Adobe Systems • Introduced in 1996 • Vector and raster graphics • Bi‐direc;onal streaming of audio and video
- 5. Ac;onScript 3.0 • Scrip;ng language based on ECMAScript • Bytecode targets AVM2 in Flash Player 9 and 10 • Performance improvements – JIT compiler • Modern language constructs
- 6. Flash Player 10 • Introduced September 2008 • Custom filters and effects – Adobe Pixel Bender technology • 3D transforma;ons and anima;on • Rich text layout • GPU hardware accelera;on
- 7. Adobe Flex 3 • Free, open source SDK • MXML for layout and component setup • Ac;onScript 3.0 for event handling and programma;c logic • IDEs: – Flex Builder 3.0 – IntelliJ IDEA 8
- 8. Flex/AJAX Bridge • Library file included in Flex app • Allows Ac;onScript classes to be scripted by JavaScript • Hybrid Flash/AJAX applica;ons
- 9. BlazeDS • Remo;ng • Messaging • Java server‐based technology • Open source: LGPL v3 license • Ac;on Message Format (AMF)
- 10. Open Screen Project • Collabora;on of 20 companies • Consistent run;me environment based on Adobe Flash • Driving rich Internet experiences across devices and plaborms • Adobe will open access to Adobe Flash technology
- 11. Microsoc Silverlight 2 • CoreCLR – .NET Framework implementa;on • Cross‐browser, cross‐plaborm • WPF and XAML • Variety of languages – C#, VB.NET, IronPython • LINQ
- 12. Silverlight tooling • Visual Studio 2008 and beyond – Developer tool • Microsoc Expression Blend – Designer tool
- 13. CoreCLR • Small common language run;me • Works seamlessly with desktop CLR on Windows plaborms • Cross‐plaborm – PAL on Mac OS X CoreCLR – Moonlight and Mono on Linux • Lessons learned from SSCLI (aka Rotor)
- 14. HTML Bridge • Allow Silverlight app to access browser’s DOM • Expose managed types and methods to JavaScript • JavaScript methods ahached to scriptable managed events
- 15. Java SE 6 Update 10 • Consumer JRE • Java Kernel • New Java Plug‐in • Java Deployment Kit • Nimbus Look and Feel
- 16. LiveConnect • Java to JavaScript communica;ons and vice‐versa. • Re‐implemented in Java SE 6 Update 10. • Consistency across browsers.
- 17. Java FX • Sun’s RIA strategy for the Java plaborm • Project Nile • JavaFX Script • Scene Graph API
- 18. Barriers • Loss of web metaphors – Bookmarking, addressable URLs Penetra;on of plugins/run;mes • Search engine visibility • Sandboxing • Addi;onal development complexity • Tes;ng complexity • RIA plaborm lock‐in •
- 19. RIA Examples • Flash – Google Finance, Picnik, Spa;alKey, NoteFlight, Aviary Phoenix • Silverlight 2 – NBC Olympics, Top Banana, MLB.com • Java FX – Sun’s examples
- 20. Where are we headed? IE 8 /Firefox 3.1/Google Chrome • Flash Player 10/Adobe AIR • Silverlight 2 • Java 6 Update 10 and Java FX •
- 21. Ques;ons • Are you sa;sfied with your current AJAX applica;on? Why or why not? • Are RIA technologies on your roadmap? Why or why not? • Which RIA technology interests you? Are you currently inves;ga;ng one or more of the technologies?
- 22. Ques;ons • What barriers do you see for adop;on of RIA technologies for your company or client? • If you already use RIA technologies, what issues have you encountered with them?