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Editorial Team
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Asked: 2026-05-22T12:46:32+00:00

I’m using Sparkle http://sparkle-project.org/ framework for autoupdates in my application. I have a UI

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I’m using Sparkle http://sparkle-project.org/ framework for autoupdates in my application. I have a UI item which enables/disables automatic updates downloads, but I can use neither Interface Builder bindings as stated in documentation for Sparkle, nor KVO, because there is no property for automatic updates download – only getter and setter methods. Can I hook the setter method and have a callback invoked when this option changes through Sparkle’s interface interaction.

What can I do in this situation?

Thank you.

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1 Answer

  1. Editorial Team

    If there are getter and setter methods, then there is implicitly a property, even if one is not declared. You can use KVO with it just fine. In fact, for many years, this was the only way to do KVO; there were no explicit properties. Cocoa treats anything with an appropriately named getter and setter as a property.

    Bindings use the same mechanism, so you should be able to use bindings as well. Don’t let the lack of a declared property scare you off.

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