make background dull while displaying activity indicator ??

Posted by hemant on Stack Overflow See other posts from Stack Overflow or by hemant
Published on 2010-05-26T08:55:27Z Indexed on 2010/05/26 13:51 UTC
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iphone

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iphone-sdk

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iphone-sdk-3.0

while restoring some data i am displaying a activity indicator..but i want the background image to become dull or dim a bit so that the focus is on activity indicator..i have seen that in some applications but cant figure out how to achieve that??

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