title: Android on screen number pad
body: <p>I wanted to take Numeric input from user from Numberpad displayed on screen, it should be in Activity view. please see attached image.</p>
  
  <p>I don't know if there is some way to make similar UI or do i have make one my self in XML ? . need your help. <img src="https://i.stack.imgur.com/pB3Mk.png" alt="alt text"></p>