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Editorial Team
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Asked: 2026-05-23T04:54:25+00:00

I have an app that has a main view that acts as a view

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I have an app that has a main view that acts as a view controller. This main view has 3 buttons on it. I have 3 subviews that I swap in and out of this main view, controlled by the 3 buttons. Each of the subviews has a button on it. When this button is pressed I want it to disable the 3 buttons on the main view until the button is pressed again. Is there a way to send a message between the views to disable the buttons?

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1 Answer

  1. Editorial Team

    Use NSNotifications to post a notification that the buttons were pressed.

     [[NSNotificationCenter defaultCenter] postNotificationName:@"Button1Pressed" object:self userInfo:info];

    And then add observers such that they listen to these notifications.

    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(buttonPress:) name:@"Button1Pressed" object:nil];

    Now implement buttonPress

    Read HERE for the NSNotification manual and learn to use it .

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