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[slahteine]

Originally Posted by keyboardcowboy

Cheers

I gave up trying to customize the keyboard itself, but I'd still consider hiding the keyboard and using my own total replacement.

For the next version of my app I took a cue from FastWriter (Fast Writer Adds Extra Row of Keys to the iPhone’s Keyboard Art of the iPhone) and added an extra row of keys. I even went to the trouble of Photoshopping up the enlarged key thingies so I could make it look and act just like the regular keyboard.

Here are two handy methods that helped to get the proper behavior:

// Play the built-in keyboard click sound
- (void)playKeyboardClick {
  AudioServicesPlaySystemSound(0x450);
}

// Insert a string into a UITextField at the cursor position
- (void)insertString:(NSString *)text intoTextField(UITextField *)textfield {
  UIPasteboard* generalPasteboard = [UIPasteboard generalPasteboard];
  NSArray* items = [generalPasteboard.items copy];
  generalPasteboard.string = text;
  [textfield paste:self];
  generalPasteboard.items = items;
  [items release];
}