[Interest] black screen with iOS app over airplay?

Patrick Stinson patrickkidd at gmail.com
Fri May 12 22:33:51 CEST 2017


Oh excellent. Which object do you call setGeometry on?

> On May 12, 2017, at 1:13 PM, bralchenko at ics.com wrote:
> 
> Patrick,
> 
> you have to setGeometry(QRect screenGeometry) explicitly. screenGeometry should be queried from iOS directly, like this:
> 
> const CGRect r = [[UIScreen mainScreen] bounds];
> return QRect(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 <patrickkidd at 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.
>> 
>> Thanks!_______________________________________________
>> Interest mailing list
>> Interest at qt-project.org
>> http://lists.qt-project.org/mailman/listinfo/interest
> 
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