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Editorial Team
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Asked: 2026-06-18T12:06:28+00:00

I have an UIView subclass which is loaded in a UIViewController when needed. This

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I have an UIView subclass which is loaded in a UIViewController when needed. This view works fine in iPhone 3/4/5 or seems working fine. It also looks okay in iPad 1/2. But for iPad retina screen, the view is pixelated. All the labels, button, view background, texts are pixelated.

Earlier I did not override the drawRect method. But with some other SO hints I did that. But still did not solve the problem.

Any idea, where’s the problem with retina display?

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1 Answer

  1. Editorial Team

    Ok, I figure out the problem.

    The view uses a kinds nested view, and one of the view layer was manipulated and called the 

    layer.shouldRasterize = YES;

    But if I add this line, that fixes the problem. 

    layer.rasterizationScale = [UIScreen mainScreen].scale;

    In the apple WWDC 2012 they have a video on this. “Polishing Your Interface Rotations”. Here they discussed the issue.
    https://developer.apple.com/videos/wwdc/2012/

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