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Home/ Questions/Q 7035539
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Editorial Team
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Editorial Team
Asked: May 28, 20262026-05-28T01:18:58+00:00 2026-05-28T01:18:58+00:00

i am in middle of Your First Mac App tutorial for Mac OS X

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i am in middle of Your First Mac App tutorial for Mac OS X developers and i am experiencing problem with updateUserInterface. I’ve followed the tutorial, which produces following codes of AppDelegate.m and AppDelegate.h

Screenshot from Xcode

( https://gist.github.com/1599797 )

What am I doing wrong? The code seems to me OK.

( This is my first mac developing. )

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  1. Editorial Team
    Editorial Team
    2026-05-28T01:18:59+00:00Added an answer on May 28, 2026 at 1:18 am

    Take a closer look at the method call. The problem is from a (nonexistent) method called updateUserInteface, not updateUserInterface.

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