Returns the priority with which a view resists being made larger than its intrinsic size.
- iOS 6.0+
- tvOS 9.0+
The axis of the view that might be enlarged.
The priority with which the view should resist being enlarged from its intrinsic size on the specified axis.
The constraint-based layout system uses these priorities when determining the best layout for views that are encountering constraints that would require them to be larger than their intrinsic size.