Andrew Shorten of Adobe

Live Notes from The Future of Web Apps Summit AJAX and Flex - shared Web 2.0 themes. Engaging and compelling user experiences. Seperation of data & UI (RSS feeds, Public APIs, Open data formats), Information comes to the user, Standards-based. AJAX limited by browser. Flex leverages the Flash Player. AJAX not designed for high-performance UI rendering, limited UI controls, write-once cross-browser delivery hard, lacks integrated AV, no bi-directional RT messaging support, limited to XML over HTTP, no offline/online working, no screen reader support (?). Move in use of Flash away from expressive content towards an application platform, cross platform/device. 98% reach of Flash player. Flex enables developers to deploy apps to the Flash player. A framework of components. MXML, ActionScript, CSS, Flex Class Library. Application server, J2EE Tier, Integration Tier, Resource Tier. Messaging direct between client apps without server transaction. Flash Player now has ability to view source code (not clear when this is allowed). When to use Flex - as standalone apps: Guided services, Media Rich Applications, Data Management Apps, Data Visualisation. AJAX/Flash composites such as MeasureMap. Tools: Flex Framework 2, Flex Builder 2, Flex Enterprise Services 2 (messaging, sync etc). Flash Player free, SDK free, limited use of Enterprise Server. AJAX on Steroids, Vista on a diet :-) http://labs.adobe.com

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