Mobile Widget引擎一览

尽管目前各种Mobile Widget引擎实现的技术原理，Widget应用开发所用的语言、参考技术标准、甚至功能特性、用户体验都大相径庭，但某些理念或多或少是达成共识的：例如，便于应用开发，有更出色、灵活的用户体验，力求支持跨平台运行，面向小工具、小应用、Web应用等...
转帖一篇文章：http://www.pavingways.com/mobile-widget-wiki/mobile-widget-engine-overview
我粗略地看了一下，这个表格中有些数据、信息并非最新，但不妨碍它成为一份非常有价值的参考资料。
我个人更倾向于基于浏览器引擎实现的Mobile Widget引擎，这样的引擎容易支持采用标准Web技术去开发Widget应用。这样有几个比较大的优点：1)开发语言相对简单，2）潜在的开发者数量众多，3）有海量的、开发免费的互联网应用可以在短时间内变成Widget应用，我个人认为这一点非常重要。
下面的表格里没有提到中国移动的BAE，我这里简单补充一下：
BAE 是基于Webkit的Mobile Widget引擎，目前所有的OPHONE平台都已经内置，上市（或即将上市）的Ophone机型包括HTC A6188,Lenovo O1,Dell Mini 3i。同时，Windows Mobile和S60 v3版本的BAE引擎也已开发完毕，正积极推进商用部署中。 Widget SDK下载可以访问（www.jil.org）。目前在Mobile Market上在售的JIL Widget应用已经有几十个。
Name Engine Primary URL SDK Info Related Store Twitter
- Web-2-native app converter, android, iPhone, Mac OSX -
- - - , never heard of since - -
- SDK works on Linux and Windows only -
- full featured framework, based on W3C 1.0 spec, BONDI 1.0 RC subset APIs and some LG specific APIextensions -
- - a mobile Ajax application framework, widget-like “Moblets”, access to device APIs, XML-ish markup + JavaScript - -
/ - , - - - -
- ,  Linux/WebKit based -
- - operator- and handset-manufacturer oriented widget engine for ultra-low cost handsets, utilizing for data transfer - -
- subset of W3C Widgets 1.0 specification -
- , W3C-ish implementation with device capabilities access, 2 versions: 1.0 and 1.1
- - VRML(!) and JavaScript based, proprietary engine - -
Openwave ,  - announced early 2007, nothing heard ever since - -
Opera 9.5 , , W3C compliant implementation based on Opera browser, no API access  (no store)
- ,  native Apps Palm App Catalog -
destination Platform-dependent - - -
- - Qualcomm's solution for a widget engine and application store, operator oriented - -
proprietary - recently acquired by AT&T (x) -
- XML-Based, J2ME engine - -
- W3C compliant, home screen view, multi-pageHTML -
- , Java ME Widget Engine, Widgets in JavaFX, Java or “Feed Widgets” - -
- - operator-oriented widget engine, they also offer a storefront solution - -
- Opera powered widget runtime, with added deviceAPI called , only works on Windows Mobile -
- Opera-powered, custom widget engine, might transform into Vodafone360soon -
- Downloadable J2ME Application Webwag Widget Gallery, widgets need to be submitted via E-Mail
- - replaced by  - -
- >= 6.5, IE based, W3C compliant, ActiveX support, XMLHttpRequest
- amongst native, Java and Flash also “XPERIA™ Web (HTML) Panels” are possible to create on Xperia X1 and X2 (Win Mo 6.1 and 6.5) -
- XML based, featuring maps and video,create once, run on many devices publication possible as mobile website at “widget-id.bpapps.com” -
- none not open for 3rd party developers , ,
Name Engine Primary URL SDK Info