title: Disable Button on click
body: <p>I am newbie to the programming world and my knowledge is limited. Please excuse me if i ask any blunder.
  My question is that.</p>
  
  <p>I am creating an Activity which has START &amp; STOP button. when user clicks on START button a service must start; and on STOP service must stop.</p>
  
  <p>Now I want to disable my START button when i Click start button(service starts on click START button) and when clicks STOP button i want to see the START button as normal clickable button.</p>
  
  <p>I have used .setEnabled(false) by creating the button object.
  i need help...Thanks in advance</p>