title: iOS7 : Display a popover on left to right swipe
body: <p>How do I display a popover  when I swipe from left to right( right side area of the screen) in iOS7? I already handle UISwipeGestureRecognizer ..only thing is determine the position of the screen (right side of the screen) and display the popover.. any piece of code snippet would be really helpful... thanks!</p>