iphone - UINavigationController - how to not animate when popping using backbutton? -

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this ought simple can't figure 1 out:

the default behaviour when clicking backbutton in uinavigationcontroller current view gets popped animation. how can override default behaviour transition not animated?

[self.navigationcontroller poptoviewcontroller:viewcontroller animated:no];

http://developer.apple.com/library/ios/documentation/uikit/reference/uinavigationcontroller_class/reference/reference.html#//apple_ref/occ/instm/uinavigationcontroller/poptoviewcontroller:animated:


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