UITextView KeyboardAppearance property to set UIKeyboardAppearanceDark
问题 I simply want the keyboard of UITextView to appear in dark mode. However UItextView doesn't have such a property. Normally for UITextField you can use the following to change the keyboards across the app: [[UITextField appearance] setKeyboardAppearance:UIKeyboardAppearanceDark]; However when I try the following, app crashes: [[UITextView appearance] setKeyboardAppearance:UIKeyboardAppearanceDark]; So, my question is simple, is there a way to change keyboard appearance when I use UITextView? I