setConstraints(_:activeWhenAwayFrom:)
Configures the tracking layout guide to automatically activate and deactivate constraints when the guide is away from the given edge.
Declaration
func setConstraints(_ trackingConstraints: [NSLayoutConstraint], activeWhenAwayFrom edge: NSDirectionalRectEdge)Parameters
- trackingConstraints:
The constraints to deactivate when the tracking layout guide is close to
edge, and to activate when it moves away fromedge. If you passnil, the guide deactivates any currently active constraints associated with this edge and removes them from tracking. - edge:
The edge that the tracking layout guide uses to determine whether to activate or deactivate the constraints.