Returns a Boolean indicating whether the layer has been marked as needing a layout update.
- iOS 3.0+
- macOS 10.6+
- Mac Catalyst 13.0+
- tvOS 9.0+
YES if the layer has been marked as requiring a layout update.
Managing Layer Resizing and Layout
The object responsible for laying out the layer’s sublayers.
Invalidates the layer’s layout and marks it as needing an update.
A bitmask defining how the layer is resized when the bounds of its superlayer changes.
Returns the preferred size of the layer in the coordinate space of its superlayer.