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

One scenario I've found that we need to use subclass rather than category is to set navigationbar backgroundcolor with pattern image, because in iOS5 overwriting drawRect using category does not work any more. If you want to support ios3.1-5.0, the only way you can do is to subclass navigationbar.