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ioslabelalignment

iOS: how to change a label alignment based on screen variation

In IB, there's no way to add a variation on the alignment property of a label. My need is to align the text on left when width is compact and centered when width is regular.

How can I do it?

Solution

  • You can add this behavior to the outlets in

    override func willTransition(to newCollection: UITraitCollection, with coordinator: UIViewControllerTransitionCoordinator) {
super.willTransition(to: newCollection, with: coordinator)
switch newCollection.verticalSizeClass {
        case .compact:
            yourLabel.textAligment = UITextAligment.left
        case .regular, .unspecified:
            yourLabel.textAligment = UITextAligment.center
        }
 }

    For determining rotating you use verticalSizeClass, for determining device type (such iPad or iPhone) you use horizontalSizeClass.