How to get Gaussian blur effect on UIView in iOS6

Does anyone know how to achieve a Gaussian blur effect on a UIView in iOS6? Like #music twitter when the filter menu is open. (the background under the menu becomes blurry)

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xcode uiview twitter gaussian blur
Apr 24 '13 at 3:19
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1 answer

I wrote a GPUImage -based RWBlurPopover library that can achieve a similar Gaussian blur effect when popover is presented. It supports both iPhone and iPad, and works on iOS 5.1+.

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May 6 '13 at 13:20
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