iphone - What library is used for the main menu in the facebook iOS app? -

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i'm making app has more options fit uitabbarcontroller. wanted use facebook app has main menu.

facebook main menu

my guess isn't proprietary facebook, because scvngr app uses similar.

scvngr main menu

this library lets re-order icons way can re-order apps main menu (i.e. press , hold -> icons jiggle -> can drag them around).

does know library provides uiview? i'd use if possible.

thanks!

it's part of three20 framework; it's launcher feature.


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