[Interest] Unexpected problems with Qt 5.4.1 & upgrade to Xcode 7.1

[Nuno Santos]

I’m officially an idiot...

I had a tight timer, running on a time critical priority thread, sucking all my resources and it would take much longer to load everything. 

Everything running smoothly! :)

Sorry for wasting your time.

Regards

Nuno

> On 26/10/2015, at 23:39, Nuno Santos <nunosantos at imaginando.pt> wrote:
> 
> After a couple of hours around this issue I have found the following:
> 
> - Everything loads after all, however it takes a LOT of time! Like 100x more
> - It also happens with Qt 5.5.1
> - The only change Xcode and its tools
> 
> Is there any change of the new Apple tools are making qml code run a LOT slower?
> 
> My device is an iPad 2 running iOS 9 which seems to be running smoother than iOS 8.
> 
>> On 26/10/2015, at 18:39, Nuno Santos via Interest <interest at qt-project.org <mailto:interest at qt-project.org>> wrote:
>> 
>> Hi,
>> 
>> Today I have upgraded to Xcode 7.1 but still using Qt 5.4.1 For my surprise, my apps stopped working.
>> 
>> My apps base point is a qml subclass of Window, which has common stuff I use like style loading, font loading, splash loading and main qml loading. 
>> 
>> After a bit of debugging I have found that the Loader that used to load the MainView doesn’t complete anymore. Since there isn’t a way of knowing why the Loaded failed to load a component, I have instantiated the MainView on the view. 
>> 
>> The first thing I have noticed is that it failed to find the mainFont I have instantiated under the sub class of window. Let me give an example:
>> 
>> // UIWindow.qml
>> 
>> Window {
>> 	FontLoader {
>> 		id: mainFont
>> 	}
>> }
>> 
>> // main.qml
>> 
>> UIWindow {
>> 	Label {
>> 		font.family: mainFont.name // here, label fails to find mainFont when before the upgrade it did find. 
>> 	}
>> }
>> 
>> Question: how can Xcode upgrade affect this kind of internal Qml behaviour?
>> 
>> Thanks in advance,
>> 
>> Regards,
>> 
>> Nuno
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> 

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