[Interest] QCameraViewfinder & screen orientation changed on iOS

Daniel França daniel.franca at gmail.com
Tue Sep 29 13:00:39 CEST 2015

I'd a problem with orientation using QML VideoOutput, not exactly the same,
but the autoOrientation had some bugs, i.e: Doesn't recognize the Qt
.InvertedPortraitOrientation orientation.
I tried to fix it, instead assigning the angle in the events:


Maybe it can help you, but for me it didn't work for
Qt.InvertedPortraitOrientation as well.

Em ter, 29 de set de 2015 às 11:37, Igor Mironchik <igor.mironchik at gmail.com>

> Hi guys,
> Does anybody have experience with displaying QCameraViewfinder on iOS?
> I successfully display it, I see video from camera... But I have one
> problem: when I rotate device my window trying to rotate and stopping in
> the middle of this action. When I click somewhere on this screen then
> layout correctly updates and everything looks correct but I don't
> receive rotation anymore. If I don't display QCameraViewfinder then
> rotation works fine.
> Does anybody have experience with this problem?
> What can I do?
> How can I handle rotation events in Qt?
> I tried to connect to QScreen::orientationChanged() and do some
> workarounds but I don't receive this signal... I use
> QGuiApplication::primaryScreen()...
> Thank you.
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