Adding a UIBarButtonItem programmatically to UINavigationBar

Question

I dropped in a UINavigationBar in UIInterfaceBuilder. I present this view modally and just want a UIBackBarButton to return to my last

Answer 1

You may use this setters without creation new UIBarButtonItem:

[self.navigationItem.leftBarButtonItem setAction:@selector(doBackButton:)];
[self.navigationItem.leftBarButtonItem setTarget:self];