title: FullScreen Notification
body: <p>I want to create a full screen notification.I have achieved a notification by using the following code. What changes do i need to make it a full screen notification. </p>
  
  <pre><code>    private void showNotification(String data) {
  
      Intent i = new Intent(this, MapsActivity.class);
      i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
  
      PendingIntent pendingIntent = PendingIntent.getActivity(this,0,i,PendingIntent.FLAG_UPDATE_CURRENT);
  
      NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
              .setAutoCancel(true)
              .setContentTitle("FCM Test")
              .setContentText(data)
              .setSmallIcon(R.drawable.common_google_signin_btn_icon_dark)
              .setContentIntent(pendingIntent);
  
      NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
  
      manager.notify(0,builder.build());
  }
  </code></pre>