Thanks Yongsheng, great news!
We'd like to migrate the design doc into google doc. Any guideline or
BKM?
That should be fine, I'm just curious to know why the wiki isn't sufficient?
From: Crosswalk-dev [mailto:crosswalk-dev-boun...@lists.crosswalk-project.org]
On Behalf Of Zhu, Yongsheng
Sent: Wednesday, October 30, 2013 7:23 AM
To: crosswalk-dev@lists.crosswalk-project.org
Cc: Gao, Chun
Subject: [Crosswalk-dev] Crosswalk Java extension mechanism on Android
Hi, All
I'm glad to announce that the Java extension on Android is basically ready for
usages of both internal and external extensions. That's to say, crosswalk
developers and web developers can develop SysApps APIs and external extensions
combined with their web apps together on Android. Thanks to Gao Chun, Huo
Halton and Wu Donna to help me set up this mechanism. Thanks to the guys from
native extension mechanism as well.
* Features:
Sit on top of native extension mechanism but de-coupled. No changes to
JavaScript code stub. Pure Java implementation since Android only provides Java
system APIs.
Support multiple instances of extensions.
Support internal extension. Now extensions like WiDi and Device capabilities
have already based on internal extensions and work well.
External extensions are supported on both shared mode and embedded mode.
* Why:
Current native extension mechanism only works for C++. However, all Android
APIs are exposed as Java language. It's more convenient and easy to develop and
maintain extension implementations based on Android Java extension system.
* How to develop extensions:
For external extensions, please see the documentation
here<https://github.com/crosswalk-project/crosswalk-website/wiki/Writing-a-Crosswalk-Java-Extension-on-Android>.
More automatic scripts to aid web developers are needed. Welcome to your
comments. JamesK, could you please help review it and might migrate it to
crosswalk-project.org in future?
For internal extensions, please follow up the code of WiDi and Device
capabilities. Easy to use.
* Limitations:
Currently if a Java implementation of extension needs additional Android
permissions, we don't support them in crosswalk tools. But we'll add the
support soon.
* Open:
We'd like to migrate the design doc into google doc. Any guideline or
BKM?
Yongsheng
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