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Editorial Team
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Asked: 2026-05-18T02:18:50+00:00

I’ve got this strange bug in my app. I’m making a subview and drawing

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I’ve got this strange bug in my app. I’m making a subview and drawing it over the top of my main view. To get rid of it I’d just hide it. Here’s the problem: There I can see part of the view underneath peeking through the bottom in a line that seems to be the same size as the status bar. I’ve put how I’m adding my subview below, along with a screenshot to illustrate my problem. 

theLaunch = [[firstLaunch alloc] init]; 

[window addSubview:theLaunch.view]; // it goes on top   
[window makeKeyAndVisible];

Here’s the screenshot…the view underneath is grey.
alt text

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1 Answer

  1. Editorial Team

    It looks like you don’t have subview properly ‘anchored’. If in IB, then you could try attaching subview to bottom edge of containing view. Your ‘main view’ seems to be stretching to accommodate available space (which is changed by presence of status bar), while you ‘sub view’ appears to be positioned (0,0). Something like this might help:

    alt text

    Programmatically, you could use UIView’s autoresizingMask. Something like:

    theLaunch.view.autoresizingMask = UIViewAutoresizingFlexibleBottomMargin;

    How confident am I that this is the actual problem? Not as confident as I would like to be.

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