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author's profile photo Jesse Moraes Braga
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Jesse Moraes Braga

@IBOutlet property cannot have non-'@objc' class type 'FUITextFieldFormCell'

Posted on Oct 15, 2019 at 09:25 AM 566 Views Last edit Oct 15, 2019 at 09:27 AM 2 rev.

Hi everyone,

while trying to upgrade to SCP SDK for iOS v 4.0 I've encountered the following problem: components that I've used directly with interface builder are now throwing an error, saying that they are not '@objc' compliant anymore. This is the case of FUITextFieldFormCell and FUISwitchFormCell. Other components like FUIValuePickerFormCell are still working as expected.

I believe it's a bug on the build. Has anyone come across something similar? Here are some pictures:

FUITextFieldFormCell and FUISwitchFormCell are generating errors

Using a custom class from Interface Builder on my text field

FUITextFieldFormCell generating error, while FUIValuePickerFormCell working as expected.

screen-shot-2019-10-15-at-111909.png (65.3 kB)
screen-shot-2019-10-15-at-111956.png (12.4 kB)
screen-shot-2019-10-15-at-111846.png (71.4 kB)
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3 Answers

  • author's profile photo Alexandre Giguere
    Alexandre Giguere
    Posted on Oct 15, 2019 at 01:49 PM
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    Hi Jesse, I just tried and it works for me. Make sure you imported the frameworks correctly.

    The latest version of the SDK is SAP Cloud Platform SDK for iOS (Xcode 11) 4.0 SP00 PL00

    Try to delete the framework files and re-import them manually in Xcode (not with the assistant)

    thanks

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  • author's profile photo Alexandre Giguere
    Alexandre Giguere
    Posted on Oct 15, 2019 at 04:43 PM
    0

    Sorry Jesse, my mistake, I was on SDK 3.2.7 and I have the same errors as you,

    we tried the SDK 4 but found to many bugs, we decided to stay on 3.2.7 until SAP supplied a stable version

    thanks

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  • author's profile photo Stan Stadelman
    Stan Stadelman
    Posted on Oct 21, 2019 at 09:48 PM
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    Jesse Moraes Braga Alexandre Giguere this is an Xcode issue, where it rejects UIView subclasses which utilize non-objc Swift Generics. This in our view is a failure of Interface Builder.

    There is a lame workaround, which is to bind your @IBOutlet to a UIView, then introduce a computed property which returns that view, cast to the cell type.

    @IBOutlet var dummyPhoneCell: UIView!

    var phoneCell: FUITextFieldFormCell {

    return dummyPhoneCell as! FUITextFieldFormCell

    }

    But in general, I would say: do this programmatically.

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