I am programmatically adding some toolbar items to a view in a UIViewController
subclass, and it only seems to work when I put the code in viewWillAppear:
// add a toolbar with a prev and next button
self.navigationController.toolbarHidden = NO;
UIBarButtonItem *flexibleItem = [[UIBarButtonItem alloc]
initWithBarButtonSystemItem: UIBarButtonSystemItemFlexibleSpace target: self
action: nil];
self.prevButton = [[UIBarButtonItem alloc] initWithTitle: @"Prev" style:
UIBarButtonItemStyleBordered target: self action: nil];
self.nextButton = [[UIBarButtonItem alloc] initWithTitle: @"Next" style:
UIBarButtonItemStyleBordered target: self action: nil];
self.toolbarItems = [NSArray arrayWithObjects: self.prevButton,
flexibleItem, self.nextButton, nil];
If I put it in viewDidLoad, the toolbar never shows up. In the book by Conway
and Hillegass (3rd ed), they put similar code in init, but that also doesn't
work in my case. Interestingly, I am adding a UISearchBar in init, and that
works just fine.
Why is that? Is viewWillAppear the recommended place to do this?
- Koen.
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