I'm working on a project where I'm using a CAShapeLayer to render a grid behind some content. The problem is that the OS creates multiple instances of this CAShapeLayer subclass, when I'm expecting one.
First, I subclassed CAShapeLayer, overriding init and layoutSublayers (the layer has a few sublayers that render additional content).
Then, I overrode +[UIView layerClass] in the view that uses my CAShapeLayer subclass.
Lastly, the view using my layer was added as a subview to a UIScrollView.
To reference self.layer (in the view) with the correct class (GridLayer vs CALayer), I created the following property:
@property (nonatomic, weak, readonly, getter=graphLayer) GraphLayer *graphLayer;
and getter
- (GraphLayer *)graphLayer {
return (GraphLayer *)self.layer;
}
