Can I create custom keyboard in iPhone?

Is it allowed to create a custom keyboard. Will apple approve my app if I used my own keyboard instead of using default one. howsoever I don't have button images, I guess I need to use same default keyboard images do so. Is there any image repository where I can g开发者_Go百科et exact keypad button icon.

Thanks

They will almost undoubtedly reject your app.

The iPad Human Interface Guidelines that iPhone OS 3.2 supports keyboard customization http://developer.apple.com/iphone/library/documentation/General/Conceptual/iPadHIG/UIElements/UIElements.html#//apple_ref/doc/uid/TP40009446-CH6-SW7