C# (CSharp) UISearchBar.Add示例

示例#1

        public static void SetEnabled(this UISearchBar searchBar, bool isEnabled)
        {
            bool isCurrentlyEnabled = searchBar.UserInteractionEnabled;

            if (isCurrentlyEnabled == isEnabled)
            {
                return;
            }

            if (isEnabled)
            {
                var dimmingView = searchBar.Subviews.FirstOrDefault(x => x.Tag == DimmingViewConstantId);
                dimmingView?.RemoveFromSuperview();
            }
            else
            {
                var dimmingView = new UIView()
                {
                    Tag = DimmingViewConstantId,
                    AutoresizingMask = UIViewAutoresizing.FlexibleDimensions,
                    BackgroundColor  = UIColor.Black.ColorWithAlpha(0.15f)
                };
                searchBar.Add(dimmingView);
            }

            searchBar.UserInteractionEnabled = isEnabled;
        }