iOS 11 Fade no longer works

[jeromeDms]

Hi
Just updated to Xcode 9 and iOS 11 and it seems the fade behavior no longer works in TLYShyViewController.m (function _updateSubviewsAlpha)

The alpha property has no effect on the subviews to which it is applied.
Any tip, any workaround ?

Thanks

[jeromeDms]

ok, here is the workaround :

- (void)_updateSubviewsAlpha:(CGFloat)alpha
{
    for (UIView* view in self.view.subviews)
    {
        bool isBackgroundView = view == self.view.subviews[0];
        bool isViewHidden = view.hidden || view.alpha < FLT_EPSILON;
        
        if (!isBackgroundView && !isViewHidden)
        {
            view.alpha = alpha;
      
#ifdef __IPHONE_11_0
            if(@available(iOS 11.0, *))
            {
                NSString* subViewClassName = NSStringFromClass([view class]);
                if ([subViewClassName containsString:@"UINavigationBarContentView"])
                {
                    for (UIView* subSubView in view.subviews)
                    {
                        subSubView.alpha = alpha;
                    }
                }
            }
#endif
        }
    }
}

[StainlessStlRat]

Seems it still doesn't fade the title view after the patch

[jeromeDms]

You are right, I was using a custom title view, when using both custom title or normal title, the following updated patch should work (please confirm)

- (void)_updateSubviewsAlpha:(CGFloat)alpha
{
#ifdef __IPHONE_11_0
    if(@available(iOS 11.0, *))
    {
        if ([self.view isKindOfClass: [UINavigationBar class]])
        {
            UINavigationBar *tmpNavBar = (UINavigationBar *) self.view;
            tmpNavBar.tintColor = [tmpNavBar.tintColor colorWithAlphaComponent:alpha];
            
            if(tmpNavBar.topItem.title)
            {
                [tmpNavBar setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:
                                                       [tmpNavBar.tintColor colorWithAlphaComponent:alpha],NSForegroundColorAttributeName,nil]];
            }
        }
    }
#endif
    
    for (UIView* subView in self.view.subviews)
    {
        bool isBackgroundView = subView == self.view.subviews[0];
        bool isViewHidden = subView.hidden || subView.alpha < FLT_EPSILON;
        
        if (!isBackgroundView && !isViewHidden)
        {
            subView.alpha = alpha;
            
#ifdef __IPHONE_11_0
            if(@available(iOS 11.0, *))
            {
                NSString* subViewClassName = NSStringFromClass([subView class]);
                if ([subViewClassName containsString:@"UINavigationBarContentView"])
                {
                    for (UIView* subSubView in subView.subviews)
                    {
                        subSubView.alpha = alpha;
                    }
                }
            }
#endif
        }
    }
}

[StainlessStlRat]

Sorry for the delay, I can confirm it works for a normal title view now