Create a UINavigationBar Category with a custom sizeThatFits. @implementation UINavigationBar (customNav) – (CGSize)sizeThatFits:(CGSize)size { CGSize newSize = CGSizeMake(self.frame.size.width,70); return newSize; } @end
If you’re trying to show the activity wheel in a navigation bar button (e.g. you might have a refresh button on your navbar) – you can create a new UIBarButtonItem with a custom view being the UIActivityIndicatorView: Objective-C uiBusy = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite]; uiBusy.hidesWhenStopped = YES; [uiBusy startAnimating]; [self.navigationItem.rightBarButtonItem initWithCustomView:uiBusy]; Swift let uiBusy = UIActivityIndicatorView(activityIndicatorStyle: … Read more
In your case, this solution found in another answer would work well. With the “CustomImage” category added to UINavigationBar, you can then just call: UINavigationBar *navBar = self.navigationController.navigationBar; UIImage *image = [UIImage imageNamed:@”yourNavBarBackground.png”]; [navBar setBackgroundImage:image]; This code should go in the method – (void)viewWillAppear:(BOOL)animated of the view controller where you want to have the custom … Read more
EDIT I think I might have found the trick (in iOS 7 Design Resource — UIKit User Interface Catalog.) Under Bar Button Items Note that a bar button image will be automatically rendered as a template image within a navigation bar, unless you explicitly set its rendering mode to UIImageRenderingModeAlwaysOriginal. For more information, see Template … Read more