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  1. POClient Technology Choice - Any HTML5/Canvas libraries as capable as Flash/Flex?
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    <p>I know similar questions have been closed for it being "impossible to answer objectively", but stick with me here.</p> <p>I built a prototype in Adobe Flex, they (customers) liked it. Everything was fine until they later told me that iPads / iOS needs to be supported too.</p> <p>I checked out Adobe's Packager for iPhone. We're evaluating that and we will know if it works out in a couple of days. (We need to get through Apple's red tape and certificates <em>raj</em> so this angle is delayed by a few days!)</p> <p>There is a growing voice for using HTML5/Canvas as a technology platform itself. And despite being quite proficient in Flex, I think this makes sense.</p> <p>I'm in need of a HTML5 library that can:</p> <ul> <li>Render "widgets" i.e. containers with forms and components (this should be easy and possible using POHJC - Plain old HTML, JavaScript and CSS ;-) )</li> <li>Provide a Tree like control for laying out some data</li> <li>Provide a Canvas where data structures can be represented as basic shapes</li> <li>Provide drag and drop capabilities between Trees, Buttons and Canvas</li> <li>Provide some sort of Tab Navigator container (I guess JQuery works here)</li> <li>Interact with back-end services (JSON/XML calls will be okay, but mapping directly with back-end entities will be awesome!)</li> <li>Renders on latest versions of major browsers, Android OS and iOS (WebKit for mobile?)</li> </ul> <p>Am I asking for too much?</p> <ul> <li>I'm ready to give JQuery &amp; JQuery UI a try. </li> <li>I looked at Sencha / ExtJS but it seems we need to maintain two code bases one for normal browsers and the other for mobiles (is that correct?)</li> <li>Are there any other JS libraries worth trying out?</li> </ul> <p>My concerns areas are</p> <ul> <li>Single code base, I don't want to suggest to them that multiple code bases for the client need to be maintained. That's a last resort option and would lead to complete ruling out of HTML5 with Flash apps and native apps being developed.</li> <li>Canvas capabilities - I don't want to work with raw canvas and shape tags. This too is a last resort option. Is there any abstraction available?</li> <li>Integration with back-end services, obviously I need some capability here!</li> </ul> <p>Help me out. Communitywikify this if required.</p> <p>Thanks, Sri</p>
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