UIKeyboard - turn off caps lock key

I开发者_如何学编程n my iPhone application, I want to turn off the caps lock key when my uikeyboard is shown.

Is it possible to do so?

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Any UI control that conforms to the UITextInputTraitsProtocol has a property called autocapitalizationType. Setting this to autocapitalizationTypeNone, either in code or via Interface Builder, will prevent the caps lock key being active when the keyboard for that element is shown.