Set a custom subclass of UINavigationBar in UINavigationController programmatically

Question

Does anyone know how can I use my custom subclass of UINavigationBar if I instantiate UINavigationController programmatically (without IB)?

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Answer 1

As of iOS 4, you can use the UINib class to help solve this issue.

1. Create your custom UINavigationBar subclass.
2. Create an empty xib, add a UINavigationController as the single object.
3. Set the class for the UINavigationController's UINavigationBar to your custom subclass.
4. Set your root view controller via one of these methods:
   • [navController setViewcontrollers[NSArray arrayWithObject:myRootVC]];
   • [navController pushViewController:myRootVC];

In code:

UINib *nib = [UINib nibWithNibName:@"YourCustomXib" bundle:nil];
UINavigationController *navController = 
             [[nib instantiateWithOwner:nil options:nil] objectAtIndex:0];

Now you've got a UINavigationController with your custom UINavigationBar.