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Palm webOS Software Development Kit. webOS SDK allows you to create your own applications and explore the basic concepts behind building your own app by getting a quick overview of the developer tools. Here are some key features of "webOS SDK": · webOS Application Basics - Review the structure, framework, and functions that make up the core of webOS apps. · Tips for webOS Developers - Get the most out of webOS and design a great app by following some simple strategies. · Best Practices - Learn Palm's recommendations for handling important aspects of webOS app development. Requirements: · VirtualBox What's New in This Release: Highlights: · webOS incorporates WebKit 4, which features enhanced CSS support and numerous other improvements · The webOS implementation of the HTML 5 Media API has been updated, bringing closer conformance to the spec and incremental improvements to audio performance · The Camera API has been extended to let an app initiate video capture, in addition to image capture · The V8 JavaScript engine used in webOS has been updated · Numerous tools fixes and enhancements Tools: · Emulator ROM updated to webOS 1.4 · In the emulator, location services are now enabled by default · palm-generate now offers two project templates (new_app and hello_app) and two scene templates (new_scene and hello_scene) · new_app (the default) generates a completely empty app with no boilerplate content in index.html and no boilerplate scenes. This template differs from previous versions, which included boilerplate text in index.html. · hello_app generates a project with a boilerplate scene. This template is new for version 1.4. · new_scene adds an new scene without boilerplate HTML content. This template is unchanged in version 1.4. · hello_app adds a new scene with boilerplate HTML content. The template is new for version 1.4. · palm-generate now uses an HTML doctype for a project's index.html file (formerly used XHTML) · The project and scene generators for the webOS Eclipse plug-in have been updated to incorporate the new templates used in palm-generate · FIXED: palm-emulator fails to launch on 64-bit windows if no args are supplied · FIXED: palm-package fails if directory name has spaces (Windows only) · FIXED: creating package from Eclipse sometimes fails due to file in use (Windows only) Mojo Framework: · Updated Framework to revision 330 · Template rendering performance is significantly improved · Framework has changed more between 1.3.5 and 1.4 than in previous updates · Care has been taken to avoid changing public APIs, but many private APIs and internals have changed · If you use undocumented framework APIs or override framework functionality, your app may exhibit issues in 1.4 APIs: · The webOS implementation of the HTML 5 Media API has changed in version 1.4 · The new implementation is simpler and conforms more closely to the HTML 5 Media spec · Audio playback latency has been significantly reduced (though audio performance improvements are still a work in progress) · Both the original version and the new version of the API are supported in 1.4 · Developers beginning work on new apps should use the updated API, described on the Audio and Video doc pages · Developers with applications already in the App Catalog should transition to the updated API · The Camera API has been extended to let an app initiate video capture, in addition to image capture · The Mojo.StageController.pushScene() method now allows for template substitution in a scene's initial HTML content · Template subsitution syntax is the same as for other Mojo templates · To specify values for substitution, add a templateModel property to the sceneArguments object passed to pushScene() Documentation: · The Audio and Video doc pages have been significantly revised and now reflect the updated Media API Key Fixes & Enhancements: · webOS 1.4 incorporates WebKit 4 · Many incremental improvements over the version previously used in webOS, most notably enhanced CSS support · webOS is now more consistent in behavior and appearance with other WebKit-based browsers · CSS changes and numerous low-level WebKit differences introduce the possibility of app appearance or behavior changing from webOS 1.3.5 to 1.4. — see 1.3.5 to 1.4 Transition Checklist below: · The V8 JavaScript engine used in webOS has been updated

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