Swift animate UIView with multiple options

Question

How does swift handle multiple options when animating UIView? I tried

UIView.animateWithDuration(0.2, delay: 0.0, options: .Repeat | .Autoreverse, animations: {self.alpha = 0.0}, completion: nil)

but seems to confuse the | with a bitwise operator:

Undefined symbols for architecture i386:
 "__TFSsoi1oUSs17_RawOptionSetType_USs21BitwiseOperationsTypeSs9Equatable__FTQ_Q__Q_", referenced from:
      __TFC17TextDrawing10cursorViewW8blinkingSb in cursorView.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)

I am using the latest Xcode version from the AppStore.

Seems that there is no problems with code. Have you tried deleted derived data for the project and cleaning the build? — Kirsteins, Oct 07 '14 at 07:52
I cleaned the build (Product -> Clean) and deleted the derived data. It still gives the very same error. — Hristo, Oct 07 '14 at 08:10
Try a clean build folder too: Project -> (hold down Alt key) -> Clean Build Folder — zisoft, Oct 07 '14 at 08:43
Could you just double-check the exact build version number of Xcode you've got there for us, please? (Xcode menu/About Xcode) And can you reproduce the problem in a new, minimal project? (I agree with the others: I'm using | to combine UIViewAnimationOptions values just fine...) I'm wondering if there's something else in the code/build settings that's confusing the compiler/linker... — Matt Gibson, Oct 07 '14 at 12:01
Also, it looks like you're building for the simulator (i.e. i386)—do you get the same problem building for a real device? — Matt Gibson, Oct 07 '14 at 12:05
Put the class into another project, compiles just fine. The project where it belongs was created in the early xcode6 beta versions. I'll see what's different w/ the build settings — Hristo, Oct 07 '14 at 17:24

score 34 · Accepted Answer · edited Jul 26 '19 at 09:57

34

Swift 2:

UIView.animateWithDuration(0.2, delay: 0.0, options: [.Repeat, .Autoreverse], animations: {self.alpha = 0.0}, completion: nil)

Swift 3, 4, 5

UIView.animate(withDuration: 0.2, delay: 0.0, options: [.repeat, .autoreverse], animations: {self.alpha = 0.0}, completion: nil)

edited Jul 26 '19 at 09:57

Karen Hovhannisyan

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answered Jun 16 '15 at 19:19

mxcl

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score 2 · Answer 2 · answered Feb 16 '16 at 13:48

The preview answer won't work in nowdays swift. The good answer was given by @mxcl.

If despite all you want to use this form, you have to retrieve the rawValue and rebuild a new UIViewAnimationOptions with an inclusive OR mask.

UIViewAnimationOptions(rawValue:(UIViewAnimationOptions.Autoreverse.rawvalue | UIViewAnimationOptions.Repeat.rawValue))

score 1 · Answer 3 · answered Oct 28 '16 at 02:41

1

Swift 3: Tested and ok:

UIView.animate(withDuration: 0.2, delay: 0.0, options: [.repeat, .autoreverse], animations: {
            }, completion: nil)

answered Oct 28 '16 at 02:41

Franck

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score 0 · Answer 4 · answered Oct 07 '14 at 07:42

0

From the docs it looks like what you are doing is correct?

Have you tried wrapping the options in parentheses?

Either that or put the options into a variable first and try that?

answered Oct 07 '14 at 07:42

Fogmeister

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I tried both, and it gives the same error when compiling. – Hristo Oct 07 '14 at 07:44
@Hristo Have you tried referencing them fully? i.e. put `UIViewAnimationOptions.Repeat` etc... – Fogmeister Oct 07 '14 at 07:49

score -1 · Answer 5 · answered Feb 25 '15 at 12:16

This is working code for me:

        UIView.animateWithDuration(0.5, delay: 0.0, options: UIViewAnimationOptions.Autoreverse | UIViewAnimationOptions.Repeat, animations: { () -> Void in
            disc.layer.transform = CATransform3DMakeScale(1.0, 1.0, 1.0)
            }) { (success) -> Void in
        }

Swift animate UIView with multiple options

5 Answers5