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

[Nuno Santos]

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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