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Editorial Team
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Asked: 2026-05-27T12:09:48+00:00

I need to make sure that one view A (size: 200×200) is always aligned

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I need to make sure that one view A (size: 200×200) is always aligned to top right corner inside second view B (full screen size). I want to make sure that view A stays in that place regardless of device orientation. Truth is I have no problem with this when using interface builder to position the views but I need to construct this programmatically. I suppose I should use some autoresizing settings, could you tell me which one is supposed to align the view to top right corner of its superview?

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1 Answer

  1. Editorial Team
    UIView parentView  //your full screen view
UIView view //the 200x200 view

[parentView addSubview:view];
CGRect frame = view.frame;

//align on top right
CGFloat xPosition = CGRectGetWidth(parentView.frame) - CGRectGetWidth(frame);
frame.origin = CGPointMake(ceil(xPosition), 0.0);
view.frame = frame;

//autoresizing so it stays at top right (flexible left and flexible bottom margin)
view.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleBottomMargin

    That positions the view on top right and set’s the autoresizing mask so it stays at that position.

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