title: Is it possible to “wake up” the tablet by tapping the screen”?
body: <p>I have developed one application which is having set of activities and one background service,service will be connected to the server in order to serve request response to and from the server and activities.
  Now I have to implement one feature which facilitates wake up the screen by tapping on the phone when my application is running either in foreground or background.
  considering sleep mode and keyguard lock , is it possible to achieve the same.</p>
  
  <p>Please help me out to resolve it.</p>
  
  <p>Regards,
  Piks</p>