Check in will be invisible only if inside location or else not . (Done)

Service and location tracking notification is only active when the user is within 400 metres of the precise location . Service , notification and the check out button will not work when the user is outside 400 metres to the precise location . (Done)

On pressing the Check in button it disappears and reappears when the check out button is pressed .

On pressing the back button on the login activity the app exits .

Service starting only when the Check in button is pressed .

Check out button cannot be pressed outside range .