The object responsible for laying out the layer’s sublayers.
- macOS 10.5+
- Core Animation
The object you assign to this property must nominally implement the CALayoutManager Informal Protocol informal protocol. If the layer’s delegate does not handle layout updates, the object assigned to this property is given a chance to update the layout of the layer’s sublayers.
In macOS, assign an instance of the
CAConstraint class to this property if your layer uses layer-based constraints to handle layout changes.
The default value of this property is