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Asked: 2026-06-04T19:28:05+00:00

I have an NSString in one class, a UILabel in another class and the

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I have an NSString in one class, a UILabel in another class and the 3rd UILabel in my 3rd class. They are all on 3 different views in IB.
I want my 1st class to save some string to NSString and I want my 2nd view UILabel to equal this NSString and my 3rd class’ UILabel to equal my 2nd class’ UILabel.
How do I do that?

Thanks in advance!

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1 Answer

  1. Editorial Team

    This is a common question with a common pattern for a solution.

    Create a model class to hold your string. Instantiate an object of this class in your application delegate (perhaps in applicationDidFinishLaunching:), and pass it along to all three of your view controllers. Use Key-Value Observing on your model class by your sub-view controllers, so they get alerted to any changes in the model (i.e. changes to the string).

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