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Editorial Team
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Asked: 2026-06-11T03:23:16+00:00

I’m writing own switch class. I’d like to add a delegate to it –

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I’m writing own switch class. I’d like to add a delegate to it – examplary if we have UIImagePickerController we add UIImagePickerControllerDelegate to @interface of some viewcontroller and we can set methods like imagePickerControllerDidCancel:(UIImagePickerController *)picker…

I want to do something similar for my class – it’s named HSwitch, so I want to add HSwitchDelegate to @interface of some view controller.

I would like to add to this delegate a method valueWasChanged, that I could set in viewController and which would be called each time when slider changes value.

How can I do that? I didn’t do it yet, so… please help me 🙂
Thanks!

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1 Answer

  1. Editorial Team

    If your class is a switch, presumably it inherits from UIControl. If this is the case, don’t introduce the complexity of delegates – use target-action instead, and send actions / register targets as you would with any other control. See the UIControl class reference for details. UIControlEventValueChanged would be a suitable event for your needs.

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