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Editorial Team
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Asked: 2026-05-12T06:17:47+00:00

I am asking for an Value like this: [self.layer valueForKeyPath:@transform.rotation.z] bit I need to

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I am asking for an Value like this:

[self.layer valueForKeyPath:@"transform.rotation.z"]

bit I need to pass it to a method which takes a CGFloat as parameter. What’s the casting trick here?

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1 Answer

  1. Editorial Team

    In Swift:

    let f = view.layer.valueForKeyPath("transform.rotation.z")!.floatValue

    In Objective-C: 

    NSNumber* n = [self.layer valueForKeyPath:@"transform.rotation.z"];
CGFloat f = [n floatValue];
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