1.UIKeyboardTypeAlphabet







2.UIKeyboardTypeASCIICapable





3.UIKeyboardTypeDecimalPad 





4.UIKeyboardTypeDefault





5.UIKeyboardTypeEmailAddress





6.UIKeyboardTypeNamePhonePad





7.UIKeyboardTypeNumberPad





8.UIKeyboardTypeNumbersAndPunctuation





9.UIKeyboardTypePhonePad





10.UIKeyboardTypeTwitter





11.UIKeyboardTypeURL