Windows 8學習筆記(十)----Notification

WinRT中Notification有三種類型：

Badge：徽章、標記的推送更新，主要對於磁磚進行通知

Toast：土司推送，一般是程序運行時通知

Tile：磁磚推送，自然就是程序處理休眠狀態時的通知

注意：這里有消息內容都是以XML內容模板發送的

 

先研究下磁磚的推送Badge和Tile

Badge

了解一下有哪些方法

BadgeNotification(XmlDocument content)

BadgeUpdateManager

CreateBadgeUpdaterForApplication()---為當前應用更新磁磚

CreateBadgeUpdaterForApplication(string applicationID)---為指定的應用更新磁磚

有個疑問，這里的applicationID一般在哪兒得到？？還望知道的告知一下哦~

CreateBadgeUpdaterForSecondaryTile(string tileID)—為指定的磁磚更新

GetTemplateContent(BadgeTemplateType type)—獲取預定義好的XML徽章模板

BadgeUpdater

Update(BadgeNotification notification)

 

示例代碼:

XmlDocument badgeXml = BadgeUpdateManager.GetTemplateContent(BadgeTemplateType.BadgeNumber);
XmlElement badgeElement = (XmlElement)badgeXml.SelectSingleNode("/badge");
 // We are setting attribute value 6
badgeElement.SetAttribute("value", "6");

// Create a badge notification from XML
BadgeNotification badgeNotification = new BadgeNotification(badgeXml);

// Send the notification to the secondary tile
 BadgeUpdater badgeUpdater = BadgeUpdateManager.CreateBadgeUpdaterForSecondaryTile(MainPage.dynamicTileId);
 badgeUpdater.Update(badgeNotification);

 

Tile

它包含的方法跟Badge類似

TileNotification(XmlDocument document)

TileUpdateManager

包手中四個方法，跟BadgeUpdateManager類似

CreateTileUpdaterForApplication()

CreateTileUpdaterForApplication(string applicationID)

CreateTileUpdaterForSecondaryTile(string tileID)

GetTemplateContent

TileUpdater--Update(TileNotificaton notification)

示例代碼：

XmlDocument tileXml = TileUpdateManager.GetTemplateContent(TileTemplateType.TileWideText04);

// Refer to template documentation to determine how many text fields a particular template has
 // get the text attributes for this template and fill them in
XmlNodeList tileTextElements = tileXml.GetElementsByTagName("text");
tileTextElements.Item(0).AppendChild(tileXml.CreateTextNode("Sent to a secondary tile!"));
XmlDocument squareTileXml = TileUpdateManager.GetTemplateContent(TileTemplateType.TileSquareText04);
XmlNodeList squareTileTextElements = squareTileXml.GetElementsByTagName("text");
squareTileTextElements.Item(0).AppendChild(squareTileXml.CreateTextNode("Sent to a secondary tile!"));

 // Include the square template in the notification
 IXmlNode subNode = tileXml.ImportNode(squareTileXml.GetElementsByTagName("binding").Item(0), true);
 tileXml.GetElementsByTagName("visual").Item(0).AppendChild(subNode);

// Create the notification from the XML
TileNotification tileNotification = new TileNotification(tileXml);

 // Send the notification to the secondary tile by creating a secondary tile updater
TileUpdater tileUpdater = TileUpdateManager.CreateTileUpdaterForSecondaryTile(MainPage.dynamicTileId);
tileUpdater.Update(tileNotification);

Toast

方法和屬性也基本類似

但我下面的代碼有問題，沒有顯示Toast通知，注冊Failed事件，跟蹤說是應用程序功能會阻止通知傳遞。 (異常來自 HRESULT:0x803E0112)

 

XmlDocument toastXml = ToastNotificationManager.GetTemplateContent(ToastTemplateType.ToastText01);

XmlNodeList textNodes = toastXml.GetElementsByTagName("text");
 textNodes.Item(0).AppendChild(toastXml.CreateTextNode("Sent to Toast Notification!"));
ToastNotification toastNotification = new ToastNotification(toastXml);
toastNotification.Failed += toastNotification_Failed;
toastNotification.Dismissed += toastNotification_Dismissed;

ToastNotifier notifier = ToastNotificationManager.CreateToastNotifier();

在MSDN Sample里有Toast Sample示例，里面封裝了NotificationExtensions擴展，很容易就可以實現通知更新，不需要編輯復雜的XML模板，但很糾結，我上面的代碼有啥問題？？

 

NotificationsExtensions微軟示例給我們封裝的類庫，非常方便，得學習一下大師的封裝邏輯。。。

 

磁磚的更新還算簡單，PushNotification有點摸不着頭腦，首先PushChannel都是要手動輸入，這個不是生成的么，很糾結，還希望有研究的同胞能提供點學習資料，跟Phone7的機制不太一樣呢？！