Check for split keyboard

Question

As many of you know iOS 5 introduced a slick split keyboard for thumb-typing. Unfortunately, I have some UI that is dependent on the normal full-screen keyboard layout. One

Answer 1

This is the solution which works with iPad split keyboards (originally from the blog linked in Zeeshan's comment)

[[NSNotificationCenter defaultCenter] 
  addObserverForName:UIKeyboardDidChangeFrameNotification
  object:nil
  queue:[NSOperationQueue mainQueue]
  usingBlock:^(NSNotification * notification)
 {
     CGRect keyboardEndFrame =
     [[notification.userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];

     CGRect screenRect = [[UIScreen mainScreen] bounds];

     if (CGRectIntersectsRect(keyboardEndFrame, screenRect))
     {
         // Keyboard is visible
     }
     else
     {
         // Keyboard is hidden
     }
}];