Is it possible to customize the font and appearance of a UIAlertController in the new XCode w/ iOS8?

问题

I'm wondering if it's possible to customize in app alerts with the UIAlertController. I haven't seen anything that explicitly says that you can. Does anyone know of a way I can add a custom appearance, particularly with fonts on these alerts?

回答1:

You can do it with appearanceWhenContainedIn. To set up background color, here's an example:

[[UIView appearanceWhenContainedIn:UIAlertController.class, nil] setBackgroundColor:[UIColor yellowColor]];

Or tint color:

[[UIView appearanceWhenContainedIn:UIAlertController.class, nil] setTintColor:[UIColor whiteColor]];

来源：https://stackoverflow.com/questions/26357066/is-it-possible-to-customize-the-font-and-appearance-of-a-uialertcontroller-in-th