How to prevent CALayer from implicit animations?

Question

When I set the backgroundColor property of an CALayer instance, the change seems to be slightly animated. But I don\'t want that in my case. How ca

Answer 1

I've taken Ben's answer and made a Swift helper function, here it is in case it'll be useful for anyone:

func withoutCAAnimations(closure: () -> ()) {
    CATransaction.begin()
    CATransaction.setValue(kCFBooleanTrue, forKey: kCATransactionDisableActions)
    closure()
    CATransaction.commit()
}

# Example usage:
withoutCAAnimations { layer.backgroundColor = greenColor; }