Alpha4 release status

[Willy Gardiol]

BogDan,
the link for the apk is broken... "file not found"

Il 04.06.2012 13:02 BogDan Vatra ha scritto:
> Hi everyone,
>
>  As you may know the alpha4 release is approaching, the plan is to
> have it ready before Qt Contributors Summit. It is almost completed, 
> I
> need a few days to polish the style plugin and Minitro and another 
> few
> to add support for context menus.
>
>   A few days ago I pushed to Minnistro's "unstable" repository the
> current alpha4 branch in order to check if the existing released apps
> are still working. Even we've made some heavy changes and even if I
> warn you that it may break the compatibility with older versions, I
> wanted alpha4 to be backward compatible with alpha3, it is also a 
> test
> for Necessitas developers to see if we can keep our promise: to ship
> releases which are backward compatible!
>
> If you want to try it yourself please follow the next two steps:
>  - uninstall official Ministro and use this one
> http://files.kde.org/necessitas/MinistroActivity.apk.
>  - install and run Ministro configuration tool (from market) and
> choose unstable repository.
>
> Don't forget that Ministro is not stable and it may crash/hang, if 
> you
> encounter any problems please reply on this thread.
>
> Shorty after the repository was ready, I tried a few apps from market
> and two major problems pop up:
> - The first problem was related to some missing symbols and was 
> caused
> by compilation/linking flags.
> - The second one is related to OpenGL and it seems to be caused by 
> the
> merge with Qt 4.8.2.
>
>
> 1. Missing symbols problem: Android comes with almost no support for
> C++, so to compile Qt we used (static) gnu-libstdc++.
> Then I discovered that this was a big mistake (for more information
> check Android NDK docs/CPLUSPLUS-SUPPORT.html "II.3. Static 
> runtimes:"
> section).
> We can not use link libstdc++ statically if we are using more than 
> one
> shared libraries in a project. To fix this problem I had two choices:
>  - to use the shared libstdc++ implementation and to change all the
> scripts in order to add it to ministro (1.2M).
>  - to "embed" the whole library into QtCore library (it adds and 
> extra
> 600K) but this change requires no additional changes.
>
> I choose the second one [1],[2] because it was safe and easy and
> mostly because it didn't needed any other changes.
> If anybody has something against this change speak now or forever 
> hold
> your peace !
>
> I'd like to add exceptions and RTTI by default, if the size and speed
> will not be affected.
>
> 2. OpenGL problem: After I merged alpha4 branch with upstream Qt
> 4.8.2, most of the OpenGL apps are not working anymore, I tried to 
> fix
> it my self but I end up with a very ugly workarround. It seems that
> 
> "boolQGLContext::areSharing(constQGLContext*context1,constQGLContext*context2)"
> always returns false. I tried to trace the problem but with no luck
> and I end up adding a super dirty workarround: on android,
> "QGLContext::areSharing", will always returns true. I really don't
> like it, so until we'll figure out what is wrong the release process
> will stop ...
>
> Any help will on this matter be very appreciated !
>
> I've spot another minor problem with old assets support it was caused
> by "QString QDeclarativeTypeLoader::absoluteFilePath(const QString
> &path)" I fixed it locally but I didn't had time to push the fix to
> Minsitro's repository yet.
> I'll keep you post with the progress and with any Ministro repository
> changes.
>
> Cheers,
> BogDan.
>
>
> [1]
> 
> http://quickgit.kde.org/index.php?p=android-qt.git&a=commit&h=8c4c862ee26283d1f4cd698071d002577aff72df
> [2]
> 
> http://quickgit.kde.org/index.php?p=android-qt.git&a=commit&h=abe85f41bd892a9948dda1fd8d124878c5bf37ab
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Willy Gardiol
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