08 wp7 push notification

Windows Phone 7
Li Jingnan / Wang Tao
2011-7-15
1

2 days
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08 Push Notification
Wang Tao / 2011-07-15

Session Outline
overview
titles
toast
raw
notification service

3 kinds of notifications
Raw
notification message content is app-specific
delivered directly to app only if it’s running
Toast
specific xml schema
Content delivered to app if it’s running
If app is not running, system displays Toast popup using notification message content
Tile
specific xml schema
Never delivered to app
If user has pinned to app tile, system updates it using notification message content
7

Raw
Raw
updates it using notification message content
8

Toast
9

Tile
10

What is Push ？

Push VS Pull
Server-Push
Client-Pull

push notification(PN)
WP7提供的一种允许服务器主动向WP7客户端直接发送通知的机制
服务器端主动发起
发送的是“通知”
避免了Client-Pull通信模式的中多次轮询
更省电
更省网络流量
给用户制造一种“多任务”的感觉
便于创建高互动性的WP7网络应用程序（如IM）
13

3 notifications
Tile Notification
效果：更新Tile(瓷片)显示
格式：特定格式XML片段
无论应用程序当前是否运行都接收
Toast Notification
效果：弹出Toast提示，用户可点击以启动应用程序
格式：特定格式XML片段
只有当应用程序未运行时才接收
RAW Notification
效果：由应用程序控制
格式：自由格式二进制序列
只有当应用程序正在运行时才接收
14

3 notifications
14
15
New photos online!
Seattle, WA: Sunny and 85 degrees
15

content
Sub-Title
Title
16

PN & battery
低电量状态
只发送RAW通知
MPNS将根据设备电量状态决定是否将通知发送到设备
正常电量状态
发送所有通知
极低电量状态
不发送任何通知
17

PNbasic
Client:
Windows Phone Device
Microsoft Push Notification Service (MPNS)
Provider:
Web Application /
Cloud Service
18

PN process
Push client
Tile
Toast
Open Chanel
App
Open push channel
Return URI
Data to toast
Data to tile
Data to App
Return Chanel URI
MPNS
Your service
Send URI to server
Event
Send push data to client
19
Send push data to URI

PN program model
建立服务端Web Service。
功能：
a)接收客户端Chanle URI并保存在列表中
b)向MPN S发送通知
建立WP7客户端端应用程序。
功能：
a)向MPNS注册Chanel
b)将Chanel URI提交给服务端
c)接收通知并处理、显示
20

send notification
// <Notification Channel URI>在Chanel创建时由MPNS生成，是Chanel的唯一标识
stringsubscriptionUri = "<Notification Channel URI>";
HttpWebRequestsendNotificationRequest = (HttpWebRequest)WebRequest.Create(subscriptionUri);
//必须使用POST方法发送通知
sendNotificationRequest.Method= "POST";
// 添加HTTP头X-MessageID作为消息标识（可选）
sendNotificationRequest.Headers.Add("X-MessageID", "<UUID>");
sendNotificationRequest.ContentLength= notificationMessage.Length;
// 设置要发送的通知内容<payload>
byte[] notificationMessage = new byte[] {<payload>};
using(Stream requestStream = sendNotificationRequest.GetRequestStream()) { requestStream.Write(notificationMessage, 0, notificationMessage.Length); }
//向MPNS发送通知并获取响应
HttpWebResponseresponse = (HttpWebResponse)sendNotificationRequest.GetResponse();
//从响应的HTTP头中提取相关结果
stringnotificationStatus = response.Headers["X-NotificationStatus"];
stringnotificationChannelStatus = response.Headers["X-SubscriptionStatus"];
stringdeviceConnectionStatus = response.Headers["X-DeviceConnectionStatus"];
21

tile notification
sendNotificationRequest.ContentType = "text/xml";
sendNotificationRequest.Headers.Add("X-WindowsPhone-Target", "token");
sendNotificationRequest.Headers.Add("X-NotificationClass", “1");
22
tilenotification HTTPheader
tilenotification content
string tileMessage = "<?xml version="1.0" encoding="utf-8"?>" +
"<wp:Notificationxmlns:wp="WPNotification">" +
"<wp:Tile>" +
"<wp:BackgroundImage><background image path></wp:BackgroundImage>" +
"<wp:Count><count></wp:Count>" +
"<wp:Title><title></wp:Title>" +
"</wp:Tile> " +
"</wp:Notification>";

toast
sendNotificationRequest.ContentType = "text/xml";
sendNotificationRequest.Headers.Add("X-WindowsPhone-Target", "toast");
23
Toast http header
Toast content
string toastMessage = "<?xml version="1.0" encoding="utf-8"?>" +
"<wp:Notificationxmlns:wp="WPNotification">" +
"<wp:Toast>" +
"<wp:Text1><string></wp:Text1>" +
"<wp:Text2><string></wp:Text2>" +
"</wp:Toast>" +
"</wp:Notification>";

send notification
// <Notification Channel URI>在Chanel创建时由MPNS生成，是Chanel的唯一标识
stringsubscriptionUri = "<Notification Channel URI>";
HttpWebRequestsendNotificationRequest = (HttpWebRequest)WebRequest.Create(subscriptionUri);
//必须使用POST方法发送通知
sendNotificationRequest.Method= "POST";
// 添加HTTP头X-MessageID作为消息标识（可选）
sendNotificationRequest.Headers.Add("X-MessageID", "<UUID>");
sendNotificationRequest.ContentLength= notificationMessage.Length;
// 设置要发送的通知内容<payload>
byte[] notificationMessage = new byte[] {<payload>};
using(Stream requestStream = sendNotificationRequest.GetRequestStream()) { requestStream.Write(notificationMessage, 0, notificationMessage.Length); }
//向MPNS发送通知并获取响应
HttpWebResponseresponse = (HttpWebResponse)sendNotificationRequest.GetResponse();
//从响应的HTTP头中提取相关结果
stringnotificationStatus = response.Headers["X-NotificationStatus"];
stringnotificationChannelStatus = response.Headers["X-SubscriptionStatus"];
stringdeviceConnectionStatus = response.Headers["X-DeviceConnectionStatus"];
24

raw notificaition
25
RAW http header
RAWhttp content
new byte[] {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};

demo
26
/ title
/ toast
/ raw
/ notification service
04 notification

thank you
27
thank youwww.anytao.com

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08 wp7 push notification

by Tao on Jul 20, 2011

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