[Interest] Qt 5.8 performance regression in android application

[Лагнер, Сергей]

Almost all parts have been done with Qt Quick Controls 1.
Very few use qt labs controls(Controls 2.0 in case 5.8)
We are going to upgrade to Controls 2.0 but it has not been done yet.

2017-05-11 15:24 GMT+07:00 ekke <ekke at ekkes-corner.org>:

> are you using QtQuickControls1 or QtQuickControls2 ?
>
> Am 11.05.17 um 09:45 schrieb Лагнер, Сергей:
>
> Hello all.
>
> We are going to upgrade Qt from 5.6 to 5.8 for our android application.
> I've got the build with Qt 5.8 and it much slower.
>
> First of all I mean animations.
> We use Qml StackView and we animate transitions between pages.
> With 5.6 this animations are smooth, but with 5.8 they are laggy.
> It freezes 3 or 4 times each transition.
>
> One more example, we have a photo gallery page. All photos come from the
> internet.
> Once transition to the page is done, Qt 5.6 already has a number of photos
> to show.
> 5.8 only shows first picture after a while.
>
> I know that my problem is not concrete enough, but maybe you know smth
> that
> was changed between 5.6 and 5.8 that is very important to check or modify
> to get better performance.
>
> We use QtQuickCompiler if it's matter.
>
>
>
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