What is the meaning of UINavigation's setHidesBackButton?

- (void)setHidesBackButton:(BOOL)hidesBackBu开发者_运维技巧tton animated:(BOOL)animated

can anyone tell me the meaning of above statement with an example?

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it hides the back button in the left side of your navigation bar. but it does not prevent you from going back

please see

sethidesbackbuttonyes

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Description in documentation:

http://developer.apple.com/iphone/library/documentation/UIKit/Reference/UINavigationItem_Class/Reference/UINavigationItem.html#//apple_ref/occ/instm/UINavigationItem/setHidesBackButton:animated:

Example, which hides the back button but does not animate:

[item setHidesBackButton:YES animated:NO];