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I want to be able to see the NSLayoutConstraints that I have set between individual UILabels while debugging. Is this possible?
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Open the Align menu with the yellow button selected and check Horizontally in Container, then click Add 1 Constraint. Now, select both buttons at the same time using the Shift key and, in the Align menu, check Leading Edges. Again, actually install the constraint by clicking Add 1 Constraint.
Basically if the layout margins are 8,8,8,8 (the default), a constraint with 0 leading space to container margin will have an x position of 8. Note that this is only available on iOS8 or later.
You can add auto layout to a selected frame, component, or component set from a few places: Use the keyboard shortcut ⇧ Shift A . In the right sidebar, click next to Auto layout with a frame selected. Right-click on a frame or object and select Add Auto layout.
With Xcode 6, there is a way to show the constraints while debugging.
Select 'Debug View Hierarchy' which appears between 'Step out' and 'Simulate Location'
Select the control that you want to view the constraints
Result:
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