Question

My question is next:
In interface builder i create UINavigationBar and I want to create ‘Back’ button item, but I dont see any button.

I use this code:

    UIBarButtonItem *myBarButtonItem = [[UIBarButtonItem alloc] init];
    myBarButtonItem.title = @"Back";
    mynavBar.backItem.backBarButtonItem = myBarButtonItem;

mynavBar – this is my IBOutlet.

Thanks for help!

Answer 1

You can use a navigation bar as a standalone control or in conjunction with a navigation controller. When you use a navigation bar as a standalone control you use a navigation item (an instance of the UINavigationItem class) to specify what buttons or custom views you want displayed.

So in your case you would use something like this:

UIBarButtonItem *myBarButtonItem = [[[UIBarButtonItem alloc] init] autorelease];
myBarButtonItem.title = @"Back";

UINavigationItem *right = [[[UINavigationItem alloc] initWithTitle:@"Hello!"] autorelease];
right.leftBarButtonItem = myBarButtonItem;

[mynavBar pushNavigationItem:right animated:YES];

You may want to look into using UINavigationViewController though.