Hi Junwei,
Could you help on this question?
about xwalk extension, is extension used for js call java native function
like cordova plugin ? if yes, what's the different between them ?
From: Zhang, Xiaofeng [mailto:[email protected]]
Sent: Tuesday, April 26, 2016 4:06 PM
To: JAMIE JIN (EUCD-EUC-ISD-OOCLL/ZHA)
Cc: [email protected]; Wei, Xiaosong; Fu, Junwei
Subject: RE: XWalk related questions
I don't familiar with this domain.
I think xwalk extension only expose apis in H5 standard, while Cordova plugin
can be customized, that means any APIs you implemented.
@Fu, Junwei, please help to answer this question.
Best Regards :)
Xiaofeng Zhang
From: [email protected]<mailto:[email protected]> [mailto:[email protected]]
Sent: Tuesday, April 26, 2016 3:01 PM
To: Zhang, Xiaofeng
Cc:
[email protected]<mailto:[email protected]>;
Wei, Xiaosong
Subject: RE: XWalk related questions
Hi XiaoFeng,
Some questions about xwalk extension, is extension used for js call
java native function like cordova plugin ? if yes, what's the different between
them ?
From: Zhang, Xiaofeng [mailto:[email protected]]
Sent: Tuesday, April 26, 2016 11:11 AM
To: JAMIE JIN (EUCD-EUC-ISD-OOCLL/ZHA)
Cc:
[email protected]<mailto:[email protected]>;
Wei, Xiaosong
Subject: RE: XWalk related questions
While API version is based on what new APIs we completed and added.
------> new APIs means new interfaces and implements in xwalk runtime lib ?
..............yes
Generally, if B download 20, A will still works, because we will ensure the
compatibility while upgrading.
-----> so, mostly, if runtime lib update to a newer version, older xwalk
application could still work without upgrade ?
.............. yes, but not sure.
Best Regards :)
Xiaofeng Zhang
From: [email protected]<mailto:[email protected]> [mailto:[email protected]]
Sent: Tuesday, April 26, 2016 10:59 AM
To: Zhang, Xiaofeng
Cc:
[email protected]<mailto:[email protected]>;
Wei, Xiaosong
Subject: RE: XWalk related questions
While API version is based on what new APIs we completed and added.
------> new APIs means new interfaces and implements in xwalk runtime lib ?
Generally, if B download 20, A will still works, because we will ensure the
compatibility while upgrading.
-----> so, mostly, if runtime lib update to a newer version, older xwalk
application could still work without upgrade ?
From: Zhang, Xiaofeng [mailto:[email protected]]
Sent: Tuesday, April 26, 2016 10:42 AM
To: JAMIE JIN (EUCD-EUC-ISD-OOCLL/ZHA); Wei, Xiaosong
Cc:
[email protected]<mailto:[email protected]>
Subject: RE: XWalk related questions
I will help to try answer some questions. Please see my comments below.
Best Regards :)
Xiaofeng Zhang
From: Crosswalk-help
[mailto:[email protected]] On Behalf Of
[email protected]<mailto:[email protected]>
Sent: Tuesday, April 26, 2016 10:03 AM
To: Wei, Xiaosong
Cc:
[email protected]<mailto:[email protected]>
Subject: Re: [Crosswalk-help] XWalk related questions
Hi Xiaosong,
Could you help answer version upgrade of xwalk runtime lib and app ?
from the document of version checking,
1. why version is different but api is same ?
[Xiaofeng] Crosswalk version is totally different with Crosswalk API version.
Crosswalk version release cycle is modeled on the Chromium release cycle,
follows a six week release cadence. You can see the details here:
https://github.com/crosswalk-project/crosswalk-website/wiki/Release-dates and
https://github.com/crosswalk-project/crosswalk-website/wiki/release-methodology.
While API version is based on what new APIs we completed and added.
2. is it unable to make sure the version of xwalk runtime lib is same as
app specified?
[Xiaofeng] you can't, because in shared mode, xwalk runtime lib is an
independent apk, another app in device may specify a different version with
your app.
3. do you have Corresponding table of version and api?
[Xiaofeng] see the comments in question 1
4. Does it mean install a high xwalk runtime lib version app may need
another lower xwalk runtime lib app upgrade which in same device, such as app A
use runtime lib is 15, app B use runtime lib is 20, current device runtime lib
is 15, if 15 is not in min api~ api, B will download version 20 to install to
device, but A won't work again, so it need to upgrade,right?
[Xiaofeng] Maybe, but it depends on if app B use the new feature or api in 20.
Generally, if B download 20, A will still works, because we will
ensure the compatibility while upgrading.
[cid:[email protected]]
Below is I test :
App version
Lib version
Result
info
18.48.477.13
17.46.448.10
XWalk core version matched
[App Version] build:18.48.477.13, api:5, min_api:1
[Lib Version] build:17.46.448.10, api:5, min_api:5
17.46.448.10
18.48.477.13
XWalk core version matched
lib version, api:5, min api:5
app version, api:5, min api:5
From: Wei, Xiaosong [mailto:[email protected]]
Sent: Monday, April 25, 2016 2:43 PM
To: JAMIE JIN (EUCD-EUC-ISD-OOCLL/ZHA);
[email protected]<mailto:[email protected]>
Subject: RE: XWalk related questions
You are right. The downloaded runtime APK in download mode won't be installed
as usual, it's put under you app's private storage and it's under your fully
control. That means you can upgrade it on demand and you can get the same
benefit as that in embedded mode, an extra benefit compared with embedded mode
is that the size of your App APK is reduced significantly.
To use shared mode or download mode, it depends on your need. If you just want
to shrink your app size and don't care much about on which runtime it runs,
shared mode may be a good option.
From: [email protected]<mailto:[email protected]> [mailto:[email protected]]
Sent: Monday, April 25, 2016 2:20 PM
To: Wei, Xiaosong;
[email protected]<mailto:[email protected]>
Subject: RE: XWalk related questions
So download mode the runtime lib won't be installed in device after download
like shared mode, but put to app storage?
When downloaded into app, app size will become larger than previous ?
These two modes, are there other
weakness<http://www.baidu.com/link?url=hhnqYSkY5nXCziEntzHqJ9OzMxTsB5K_q7W7JbHqtPG1FXZfW35GTcRRtNG8fHy157L0g-cEt0X8Mkc1zwXCi3gZvrzS8ROTKJ43NEo9kMq>
except long time waiting when first launch, and do you think which is better?
From: Wei, Xiaosong [mailto:[email protected]]
Sent: Monday, April 25, 2016 2:12 PM
To: JAMIE JIN (EUCD-EUC-ISD-OOCLL/ZHA);
[email protected]<mailto:[email protected]>
Subject: RE: XWalk related questions
No. the downloaded runtime is put under your app's private storage and others
won't be able to access it.
From: [email protected]<mailto:[email protected]> [mailto:[email protected]]
Sent: Monday, April 25, 2016 1:49 PM
To: Wei, Xiaosong;
[email protected]<mailto:[email protected]>
Subject: RE: XWalk related questions
Hi XiaoSong,
Thanks for your reply.
So Download Mode couldn't be shared by multiple Download-mode app, why?
Is it unable to check run time lib existed or not ?
From: Wei, Xiaosong [mailto:[email protected]]
Sent: Monday, April 25, 2016 1:39 PM
To: JAMIE JIN (EUCD-EUC-ISD-OOCLL/ZHA);
[email protected]<mailto:[email protected]>
Subject: RE: XWalk related questions
1. what's the different between XWalk Shared Mode and Download Mode?
[XS] Simply put, for App packaged in shared mode, multiple shared-mode Apps
share the same runtime. For App packaged in download mode, the downloaded
runtime is under your control, it's similar to embedded mode except that the
runtime is downloaded at the first launch.
2. why download mode need sign the apk same with project app?
[XS] It's for security concern, however you could disable the signing check by
setting xwalk_verify=false.
3. Need xwalk_verify set to be enable when in distribute app?
[XS] it's enabled by default, if you don't want to enforce the security check
you could set it to disable.
4. What's the different between XWalkRuntimeLib.apk and
XWalkRuntimeLibLzma.apk except the size, and what should take care when using?
[XS] It's for reducing size. XWalkRuntimeLibLzma.apk is only used in download
mode.
From: Crosswalk-help
[mailto:[email protected]] On Behalf Of
[email protected]<mailto:[email protected]>
Sent: Monday, April 25, 2016 11:28 AM
To:
[email protected]<mailto:[email protected]>
Subject: [Crosswalk-help] XWalk related questions
Hi support,
Could you help on below questions:
1. what's the different between XWalk Shared Mode and Download Mode?
2. why download mode need sign the apk same with project app?
3. Need xwalk_verify set to be enable when in distribute app?
4. What's the different between XWalkRuntimeLib.apk and
XWalkRuntimeLibLzma.apk except the size, and what should take care when using?
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