var myActionSheet:UIActionSheet = UIActionSheet()
var title : String? = "Select Source"
myActionSheet.title = title
myActionSheet.delegate = self
myActionSheet.addButtonWithTitle("camera")
myActionSheet.addButtonWithTitle("Library")
myActionSheet.addButtonWithTitle("Cancel")
myActionSheet.cancelButtonIndex = 2
myActionSheet.showInView(self.view)
func actionSheet(myActionSheet: UIActionSheet!, clickedButtonAtIndex buttonIndex: Int){
println("the index is %d", buttonIndex)
}