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Asked: 2026-05-23T09:06:07+00:00

I am currently using the AppDelegate in my first iPhone app to handle application

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I am currently using the AppDelegate in my first iPhone app to handle application level events.

In my app I have an enabled and disabled state, so when the user selects disabled some of the buttons on the application should be set to disabled.

My AppDelegate gets notified of the state. But what is the best approach to let my UIViews know that they should disable some of their buttons?

What is the standard approach to communicate events from the AppDelegate to the UI screens?

EDIT:

My description is slightly wrong, the user can disable the buttons in my app but conditions such as lack of Wi-Fi can as well, so I need to be dynamically able to change the UI state also.

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1 Answer

  1. Editorial Team

    Use NSNotification class to notify to your views.

    Communicate using NSNotification

    Communicate using NSNotificationCenter

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