Homework day 2
If the user has no credentials, display a Toast mesaage and redirect the user to the PefsActivty
Add in the "activity_status.xml" a background image for the activity background
( use this image http://ts4.mm.bing.net/th?id=HN.608004293658150413&pid=1.7 or other PNG background )
Style be button in the "activity_status.xml" to have round corners (use no image, just a layout)