https://bugreports.qt.io/browse/QTBUG-56768
On 13/05/2017 18:56, Patrick Stinson wrote:
Hmm. This did not work for me and I am starting to realize that there
are more problems in the Qt code than we may be aware.
One problem, and maybe the main problem, is that Qt seems to incorrectly
rely on the OS view that is created when the app is created, but this
view doesn’t persist when airplay is engaged or when it is disengaged. I
think any of us could see this problem when you disable airplay
mirroring while running a Qt app and the app crashes.
This problem also appears to prevent Reflector 2 from showing the
mirrored view of the iPad app when running the Qt app, which I can only
interpret to mean that the Qt view is not complying with the OS’s
standardized view API. Reflector works fine when another app or
launchpad (desktop) is shown.
So there is some work to do here…I wish I was better with UIKit to
troubleshoot.
On May 12, 2017, at 2:11 PM, bralche...@ics.com
<mailto:bralche...@ics.com> wrote:
Yes, I think that’s the one.
Regards,
Boris Ralchenko.
On May 12, 2017, at 5:08 PM, Patrick Stinson <patrickk...@gmail.com
<mailto:patrickk...@gmail.com>> wrote:
Do you mean QMainWindow? That is the class that I am deriving from.
On May 12, 2017, at 1:38 PM, bralche...@ics.com
<mailto:bralche...@ics.com> wrote:
On main window, in our case it was derived from QQuickView.
Regards,
Boris Ralchenko.
On May 12, 2017, at 4:33 PM, Patrick Stinson <patrickk...@gmail.com
<mailto:patrickk...@gmail.com>> wrote:
Oh excellent. Which object do you call setGeometry on?
On May 12, 2017, at 1:13 PM, bralche...@ics.com
<mailto:bralche...@ics.com> wrote:
Patrick,
you have to setGeometry(QRect screenGeometry) explicitly.
screenGeometry should be queried from iOS directly, like this:
constCGRectr=[[UIScreenmainScreen]bounds];
returnQRect(0,0,r.size.width,r.size.height);
We had similar problem, black screen with AirPlay or with HDMI
dongle. This solved it for us.
Regards,
Boris Ralchenko.
On May 11, 2017, at 9:16 PM, Patrick Stinson
<patrickk...@gmail.com <mailto:patrickk...@gmail.com>> wrote:
Hello! Has anyone else had a problem with Qt apps only showing as
a black screen when mirroring an iOS device over airplay? Other
apps display fine, but then the AirPlay display turns black when
the Qt app is brought to the front.
Granted, I am using Reflector 2 to show the iPad screen on my Mac
with latest macOS Sierra, (in order to show the iPad on a
projector), but it just uses the AirPlay protocol on the iOS end
so I assume it is a problem with the Qt iOS view.
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