animation - How to make a flowing ribbon background for iOS like the one on PS3? -

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i've started playing animated background views in ios, , think improves presentation of app. however, i'd create background don't know how make. effect i'm looking this:

activeden.net/item/green-ribbon-animated-banner-background/49229 http://i156.photobucket.com/albums/t34/pspelver/wallpaper.jpg

i'm not sure how design graphic kind of pattern, or if there better way core graphics. can please advise? thanks.

try find (or create yourself) animated image of want. find or make video of effect want , frame-by-frame change .gif. set background. problem see effect want take lot of system resources.


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