[Interest] Problems with QCamera/QML Camera when trying to porting a desktop application to android tablet

[Roman Wüger]

Hi Jason,

my problem is that the QML VideoOutput and the QQuickView is not stretched. See attached image



The black background is the QWindow from QWidget::createWindowContainer. The blue background is the QQuickView. And the shown video is only a bottom right edge of the complete video.

I expected that the video fills the complete black are too

Regards
Roman

> Am 20.08.2018 um 18:24 schrieb Jason H <jhihn at gmx.com>:
> 
> I use QML and Camera and have had no problem going between android, ios and desktop. But I'm not using widgets.
>  
>  
> Sent: Monday, August 20, 2018 at 7:15 AM
> From: "Roman Wüger" <roman.wueger at gmx.at>
> To: "Qt Project MailingList" <interest at qt-project.org>
> Subject: Re: [Interest] Problems with QCamera/QML Camera when trying to porting a desktop application to android tablet
>  
> No one?
> 
> Am 09.08.2018 um 13:05 schrieb Roman Wüger <roman.wueger at gmx.at>:
>  
>  
> Ok it seems to work with Qt 5.11.1 but the preview video is shown in the top left corner instead of the complete widget. 
>  
> Any hints?
>  
> Thanks in advance
> 
> Am 31.07.2018 um 17:18 schrieb Roman Wüger > <roman.wueger at gmx.at>:
>  
>  
> Hello guys,
> 
>  
> 
> I try to port a desktop application to an android tablet. At the moment everthing seems to work smoothly except the camera stuff.
> 
> Previously QCamera with QCamerViewfinder was used but does not work on android, because I read that Qt Multimedia isn’t available on android and so I rewrote the entire camera stuff with QML.
> 
>  
> 
> A smaller application with only one dialog for demonstration works well. But since the desktop application is multi hierarchical with dialogs,
> 
> I whether does not see a video or in the second case the dialog in which the camera stuff is implemented is not shown.
> 
> This depends on whether I use QQuickView in combination with QWidget::createWindowContainer or QQuickWidget.
> 
>  
> 
> I saw the following entries, but the solutions are not working for me:
> 
> https://bugreports.qt.io/browse/QTBUG-49328
> 
> https://bugreports.qt.io/browse/QTBUG-41467
> 
> https://bugreports.qt.io/browse/QTBUG-39454
> 
>  
> 
> I tried Qt 5.9.5 to Qt 5.11.1 on an Samsung Galaxy Tab A (2016) with Android 7.0
> 
>  
> 
> I hope someone can help me with the problem.
> 
>  
> 
> Thanks in advance
> 
>  
> 
> Best Regards
> 
> Roman
> 
>  
> 
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