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From Andrew Grieve <agri...@chromium.org>
Subject Re: [Android] VERSION_CODE generation
Date Tue, 02 Jun 2015 15:34:48 GMT
I can shed some light.

The code for it is here:
https://github.com/apache/cordova-android/blob/master/bin/templates/project/build.gradle#L178

There are two times we fiddle with it:
1 - When building multiple architectures (cough crosswalk cough)
2 - When a minSdkVersion is set.

Play store requires that each architecture-dependent .apk has a unique
versionCode, so that's why we do that.
Play store also requires that when using multiple apks, apks with a higher
minSdkVersion have higher versionCodes.

https://github.com/crosswalk-project/cordova-plugin-crosswalk-webview
outlines instructions for building multiple apks:

Install xwalk and run:
cordova build --release

Uninstall xwalk and run:
cordova build --release -- --minSdkVersion=21

This gives three apks where versionCode is bigger in the right cases. The
reason to not want xwalk for 21 is that it has an updating webview anyways.

So, where I was seeing downgrade happen a lot was when going back and forth
between xwalk and system webview.

Sad that adb can't just deal with it on older devices :S. I think it's fine
to just remove the -d flag as you've done.


On Tue, Jun 2, 2015 at 11:01 AM, Joe Bowser <bowserj@gmail.com> wrote:

> I just fixed CB-9080 by removing the fix for CB-8834, since I consider
> VERSION_DOWNGRADE to be easily worked around while not launching the
> application on older devices is an unacceptable fail state.
>
> The thing is why is VERSION_DOWNGRADE happening in the first place, and why
> are we generating the versionCode?  This code should be linear every time
> you actually release something to the play store, and otherwise should stay
> the same.  I know there was a bunch of messing around with it to sync it to
> whatever Apple does, but I don't know if that's the right approach here.
>
> See this form more info on versioning:
> http://developer.android.com/tools/publishing/versioning.html
>
> Can anyone explain more about why we're generating the versionCode the way
> we are right now?
>

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