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How to prevent screen capture on iPhone

Can I prevent screen capture on the iPhone? I want the user to not be able to capture the copyrighted image that was shown by my application.

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I think that people who answer this topic completely lose their meaning. I think that we will all get an answer that cannot be done at the moment, but this is not entirely correct. The function of the device can be changed using profiles that allow you to disable basic functions. This is a warning, and you can learn more about this on the Apple Support website and on the developer's website. http://support.apple.com/kb/dl926 Apple Settings Utility.

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Distorting the image, blurring the image, applying a translucent watermark to the image using CALayer, applying ugly spots to any contact points, and quickly moving the image so that only part of it ever appears after the user has pulled out his fingers by the way. No matter what the user captures, there will be less than a perfect copy of your copyrighted image.

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Source: https://habr.com/ru/post/1768850/

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