Add the following line of code, and it will do the trick :)
editText.setRawInputType(Configuration.KEYBOARD_QWERTY);
This will show the the numeric keypad first, but also allows you to enter free text.
More information here.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…