android EditText - need a digit only numeric keyboard
<p>I have edittexts which should only take positive integer values.
Currently I'm using the "phone" input type, which is a great
numeric keypad (nice big buttons), but it has symbols on it that
are invalid for me, like # and *, (and it also has 3 letters 
next to each digit).  Rather than having to check and fix unwanted
symbols, is it possible to get the keyboard up with just the digits,
backspace, and done?</p>
