animate.mm

CGRect newFrame = CGRectMake(_menuView.frame.size.width*-1, _menuView.frame.origin.y, _menuView.frame.size.width, _menuView.frame.size.height);
_menuView.frame = CGRectMake(0, _menuView.frame.origin.y, _menuView.frame.size.width, _menuView.frame.size.height);

[UIView animateWithDuration:0.5
                 animations:^{
                     _menuView.frame = newFrame;
                 }];