iphone - How do I change the UIKeyboard when using the UISearchBar? -

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I want to set the keyboard type of UISearchBar for UIKeyboardAppearanceAlert, but I do not seem to access UISearchBar's UIKeyboard can .

You UISearchBar in UISearchBar 

  UIT extField * textField = (UITextField *) [[Searchbar SubViews] ObjectAutindex: 0]; TextField.keyboardAppearance = UIKeyboardAppearanceAlert;

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