I want to use Apples visual format language to constrain a view to the new Safe Area Layout Guide in iOS 11. However, I get an exception: -[NSLayoutYAxisAnchor nsli_superitem]: unrecognized sele...

I just started learning AutoLayout for iOS and had a look at Visual Format Language. It all works fine except for one thing: I just can't get a view to center within its superview. Is this possibl...

I've been trying to use the Autolayout Visual Format Language in Swift, using NSLayoutConstraint.constraintsWithVisualFormat. Here's an example of some code that does nothing useful, but as far as ...

I am trying to create a dynamic size NSView using visual auto layout. I am trying to achieve something like the following diagram. I added following constraints to achieve this. [self addConstrain...

I have an UI element (UISwitch actually, but does not matter really) that has both leading and trailing space pinned to superview in Interface Builder. The constraint looks like this in Xcode 6: ...