How do I change the color of my text in my UINavigationBar on iOS 7?

How do I change the color of my text in my UINavigationBar on iOS 7? I want it white instead of black:

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How do I change the color of my navigation bar text?

The text color of the navigation bar can be changed using two inbuilt classes: navbar-light: This class will set the color of the text to dark. This is used when using a light background color. navbar-dark: This class will set the color of the text to light.

If you're ok with a global change, you can put this in your App Delegate:

NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor], UITextAttributeTextColor, nil];
[[UINavigationBar appearance] setTitleTextAttributes:attributes];