Apple demonstrated what could be done with SproutCore in its MobileMe apps, which debuted in mid 2008. SproutCore was used to create the highly interactive front end that users see; the web apps work within modern browsers and talk to Apple's backend servers to present mail, calendars, contacts, photo galleries, remote discovery and wipe features for iPhones, and other MobileMe features.
SproutCore is evolving as a product of Apple engineers and others who contribute to the open project. It was founded by Charles Jolley, who originated Sprout Systems in 2005 and who was subsequently hired by Apple to serve as the senior architect for its HTML5 Web Apps and MobileMe, starting in late 2006.
At JSConf, the team presented a series of new tools leveraging HTML5. SproutCore Touch includes support for touch events and hardware acceleration on the iPhone and iPad. It is also planned to extend support to Android and Palm's webOS.
The new framework makes it easy to incorporate touch, drag, and pinch to resize features into standard HTML5 web pages within Safari, Chrome and Firefox, with bugs still being worked out for Internet Explorer. The group demonstrated a version of the native NPR app for iPad created entirely within SproutCore Touch as a web application.
A demonstration of SproutCore Touch is available at http://touch.sproutcore.com/hedwig which presents example source code and functional examples of using multitouch gestures, scrolling lists with momentum and bounce, touch-enabled graphics resizing and scaling, and support for iPad orientation-aware navigation, which works similar to Mail when shifting from portrait to landscape.
SproutCore reports that it has been working with Mozilla's Bespin team on the Seed CommonJS runtime for several months now, and "we're really happy with it." Bespin is Mozilla's web-based code editor project built using HTML5 and in particular the Canvas tag.
Greenhouse: an interface builder for the web
The SproutCore team is also working on a graphical interface builder for SproutCore development. Details on the new environment are sparse, but a report by Ajaxian notes that "SproutCore was actually written with tooling in mind. For example, the tool can load up your SproutCore app and suppress the main loop, and get access to your custom views."
Progress on SproutCore mutes a primary argument of users invested in Flash, that HTML5 offers no tools to help them create content. While there are few "Creative Suite" style applications for creating presentation-oriented content in HTML5, the real intent of HTML5 is not to create self contained animations, but rather to build real web content focused on semantic page markup. This original intent of the web allows browsers to interpret pages as needed to suit optimized environments ranging from mobile devices to equipment accessible to different audiences with special needs.
That means that while companies like Adobe are likely to eventually add support for HTML5 output from their code generating apps like Dreamweaver, the majority of legitimate HTML5 development will continue the same way enabling new technologies like AJAX have developed: websites built by developers using coding tools, rather than designer tools that automatically generate code intended to create content that looks the same no matter the medium.
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