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

making a call such as this from a view controller

{
    NextViewController* vcRootView = [[NextViewController alloc] initWithNibName:@"NextView" bundle:[NSBundle mainBundle]];
    UINavigationController* navController = [[UINavigationController alloc] initWithRootViewController:vcRootView];
    [vcRootView release];

    [self.navigationController presentModalViewController:navController animated:YES];
    [navController release];    

}

will present NextViewController as a Modal view on the calling view and NextViewController will have a navigationController for it.

In The NextViewController implementation file all you need is this

- (void)viewDidLoad {
    [super viewDidLoad];

    UIBarButtonItem* backButton = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStylePlain target:self 
                                                                  action:@selector(barButtonBackPressed:)];
    self.navigationItem.leftBarButtonItem = backButton;
    [backButton release];
}


-(void)barButtonBackPressed:(id)sender{
    [self dismissModalViewControllerAnimated:YES];
}

to have the back button to dismiss the modalview. Hope it helps.