Google DevFest MN - Windows Azure Notification Hubs
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This document discusses using Notification Hubs to send push notifications from a backend to Android and Windows apps. It shows code for registering devices with Notification Hubs and sending notifications using GCM and WNS. It also demonstrates using templates and tags to target specific devices with customized payloads. The document promotes Microsoft Azure services and provides contact information.
Google DevFest MN - Windows Azure Notification Hubs
- 15. Android app Windows Store app App back-end GCM Notification Hub WNS
- 18. //get the gcm id GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(context); String gcmid = gcm.register(SENDER_ID); //instantiate a new NotificationHub instance NotificationHub hub = new NotificationHub("<hub name>", "<connection string>", context); //register with the NotificationHub NativeRegistration r = hub.register(gcmid);
- 19. //instantiate a new instance of NotificationHubClient var hubClient = NotificationHubClient.CreateClientFromConnectionString("<connection string>", "<hub name>"); //create the json payload for the notification var payload = "{ "data" : {"msg":"Hello from Windows Azure!"}}"; //send notification via gcm hubClient.SendGcmNativeNotificationAsync(payload);
- 20. No need to store and maintain gcmId. Device registrations expire.
- 23. //get the gcm id GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(context); String gcmid = gcm.register(SENDER_ID); //instantiate a new NotificationHub instance NotificationHub hub = new NotificationHub("<hub name>", "<connection string>", context); //register with the NotificationHub using tags NativeRegistration r = hub.register(gcmid, "Beatles");
- 24. //instantiate a new instance of NotificationHubClient var hubClient = NotificationHubClient.CreateClientFromConnectionString("<connection string>", "<hub name>"); //create the json payload for the notification var payload = "{ "data" : {"msg":"Hello from Windows Azure!"}}"; //create a list of tags var tags = new List<string>(){ "Beatles" }; //send notification to devices registered with tags via gcm hubClient.SendGcmNativeNotificationAsync(payload, tags);
- 30. <toast> <visual> <binding template="ToastText01"> <text id="1">$(message)</text> </binding> </visual> </toast> Hello! { message: “Hello!” } App back-end Service Bus Notification Hub Hello! { aps: { alert: “$(message)” } }
- 31. <toast> <visual> <binding template="ToastText01"> <text id="1">$(tempF)</text> </binding> </visual> </toast> 73 {tempC: “23”, tempF: “73”} App back-end Service Bus Notification Hub 23 { aps: { alert: “$(tempC)” } }
- 32. //get the gcm id GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(context); String gcmid = gcm.register(SENDER_ID); //instantiate a new NotificationHub instance NotificationHub hub = new NotificationHub("<hub name>", "<connection string>", context); //create the template String template = "{ "data" : {"msg":"$(message)"}}"; //register with the NotificationHub using the template NativeRegistration r = hub.register(gcmid, "Template1", template, "Beatles");
- 33. //instantiate a new instance of NotificationHubClient var hubClient = NotificationHubClient.CreateClientFromConnectionString("<connection string>", "<hub name>"); //create expressions to substitute in the template var expressions = var Dictionary<string, string>(); expressions.Add("message", "hello"); //send template notification to all devices hubClient.SendTemplateNotificationAsync(expressions);
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