constraints(activeWhenAwayFrom:)
Returns the constraints that the tracking layout guide activates when it’s away from the given edge, and deactivates when it’s near the edge.
Declaration
func constraints(activeWhenAwayFrom edge: NSDirectionalRectEdge) -> [NSLayoutConstraint]Parameters
- edge:
The edge that the tracking layout guide uses to determine when to activate or deactivate the constraints.
Return Value
An array of layout constraints that the tracking layout guide automatically activates and deactivates.