iphone - handling events before back button is clicked -

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is there way find out whether button (navigation bar) clicked particular view ? if yes how ?

first of all, didn't try myself. don't know of way intercept click on button. "might" work following: there uinavigationbardelegate, contains navigationbar:shouldpopitem: event. event called before navigationitem removed stack of navigationbar, if handle event, might able whatever want archive.


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