コード例 #1
0
        public void UpdatePages(ThreadPoolTimer timer = null)
        {
            _updateTimer?.Cancel();
            _updateTimer = null;

            InvokeOnUIThread(async() =>
            {
                TilePageCollection.Clear();

                foreach (var category in PageUtil.GetPagesByCategory())
                {
                    // Display the category only if there are pages in it
                    if (category.Value.Length == 0)
                    {
                        continue;
                    }

                    // Only display WDP pages if WDP is enabled
                    if (category.Key == PageUtil.WdpCategory)
                    {
                        // Check if Device Portal is enabled. Call this asynchronously so we don't block the UI if we have to make a network call.
                        bool wdpEnabled = false;
                        await ThreadPool.RunAsync((s) => wdpEnabled = DevicePortalUtil.IsDevicePortalEnabled(), WorkItemPriority.Normal);

                        if (!wdpEnabled)
                        {
                            continue;
                        }
                    }

                    var gridItems = new List <TileGridItem>();
                    foreach (var descriptor in category.Value)
                    {
                        gridItems.Add(new TileGridItem(descriptor, useMDL2: _settings.UseMDL2Icons)
                        {
                            Width           = _settings.AppTileWidth,
                            Height          = _settings.AppTileHeight,
                            BackgroundColor = new SolidColorBrush(_settings.TileColor)
                        });
                    }

                    TilePageCollection.Add(new TilePageCategory
                    {
                        Category = category.Key,
                        Pages    = gridItems,
                    });
                }
            });
        }