topLayoutGuide' is deprecated: first deprecated in iOS 11.0

Question

topLayoutGuide' is deprecated: first deprecated in iOS 11.0 - Use view.safeAreaLayoutGuide.topAnchor instead of topLayoutGuide.bottomAnchor

- (void)viewDidLayoutSubviews {
    [super viewDidLayoutSubviews];
    
    IF_IOS7_OR_GREATER
    (
     CGRect frame = _toolbar.frame;
     frame.origin.y = self.topLayoutGuide.length;
     //_toolbar.frame = frame;
     )
}