After pushViewController, how to disable the backBarButtonItem?

Question

After pushViewController, how to disable the backBarButtonItem, that going back will not be possible?

Answer 1

navigationItem.hidesBackButton = YES

Answer 2

if you use a storyboard, click Navigation Item and add "hidesBackButton" path into the Key Path Attributes tag.

Answer 3

I ran into this issue and used following to hide the nav bar:

[self.navigationController setNavigationBarHidden: YES animated:YES];