//MARK: Key broad behavior

    //Outlet
    //Action
    //Delegate
    func textFieldShouldBeginEditing(textField: UITextField) -> Bool {
        NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(self.keyboardDidShowing), name: UIKeyboardDidShowNotification, object: nil)
        return true
    }

    func textFieldShouldEndEditing(textField: UITextField) -> Bool {
        NSNotificationCenter.defaultCenter().addObserver(self, selector:#selector(self.keyboardDidHiding), name: UIKeyboardDidHideNotification, object: nil)
        return true
    }
    //overide
    //method
    //selector
    func keyboardDidShowing(notification:NSNotification){
        print("keyboardDidShowing................")
        if let  userInfo = notification.userInfo {
            let keyboardSize = userInfo[UIKeyboardFrameBeginUserInfoKey]?.CGRectValue().size
             //print(keyLastbound)
             //self.view.frame = CGRectMake(0, -110, 320, 460)
            UIView.animateWithDuration(0.3, animations: {() -> Void in

                var f = self.view.frame
                f.origin.y = -(keyboardSize?.height)!
                self.view.frame = f

            })
        }
    }
    func keyboardDidHiding(notification:NSNotification){
        print("keyboardDidHiding................")

        //self.view.frame = CGRectMake(0, 0, 320, 460)

        UIView.animateWithDuration(0.3, animations: {() -> Void in

          var f = self.view.frame
            f.origin.y = 0.0
            self.view.frame = f
            print("code goes on fine ..........")
        })
    }