How to use REST API to send notifications to Baidu device?

This article will introduce how to use Azure Notification Hub REST API to send a notification to device with Baidu Push. It provides an example of how to retrieve the PNS handle and send notification to device using REST API with Baidu Push.

Pre-requirement :

Before starting, you must setup a Baidu Push environment and create a application in Android Studio.

• Download Baidu Push Android SDK
• Create a Baidu Push account and create application : Getting Started with Baidu Push (baidu.com)
• Create an application in Android Studio : Connect your app to the notification hub | Microsoft Docs

Getting started with Azure Notification Hub using Baidu

1. Enter API Key and SECRET KEY in Azure Portal -> Notification Hub -> Baidu (Android China).
   
   Note : Go to the Configuration page of the Baidu Push application and you can find API KEY and SECRET KEY.
   
2. Execute your application in Android Studio and you should see below keywords in.
   errorCode=0 : 0 means the device is registered successfully via Baidu SDK.
   userId : copy this for next step
   channelId: copy this for next step
   
3. Create a registration for the device. This method generates a registration ID, which you can subsequently use to retrieve, update, and delete this registration.
   - Request
   

   Method	Request URI
   POST	https://<notification_hub_namespace>.servicebus.windows.net/<notification_hub_name>/registrations/?api-version=2015-01

   
   - Request Headers
   

   Request Header	Description
   Content-Type	application/atom+xml;type=entry;charset=utf-8
   Authorization	Azure Service Bus access control with Shared Access Signatures - Azure Service Bus | Microsoft Docs
   x-ms-version	2015-01

   
   - Request Body
   XML
   

   <?xml version="1.0" encoding="utf-8"?>
   <entry xmlns=http://www.w3.org/2005/Atom>
       <content type="application/xml">
           <BaiduRegistrationDescription xmlns:i=http://www.w3.org/2001/XMLSchema-instance xmlns=http://schemas.microsoft.com/netservices/2010/10/servicebus/connect>
               <BaiduUserId>{userId}</BaiduUserId>
               <BaiduChannelId>{channelId}</BaiduChannelId>
           </BaiduRegistrationDescription >
       </content>
   </entry>

   
   - Response Code
   

   Code	Description
   200	Registration created successfully.

   
   - Response Body
   Upon success, a validated Atom entry is returned. It includes read-only elements such as ETag, RegistrationId, and ExpirationTime. For example:
   XML
   

   <entry a:etag="W/&quot;1&quot;" xmlns=http://www.w3.org/2005/Atom xmlns:a=http://schemas.microsoft.com/ado/2007/08/dataservices/metadata>
       <id>https://notificationhubn.servicebus.windows.net/notificationhub1/registrations/{registerId}?api-version=2015-01</id>
       <title type="text">{registerId}</title>
       <published>2021-02-19T06:52:22Z</published>
       <updated>2021-02-19T06:52:22Z</updated>
       <link rel="self" href=https://notificationhubn.servicebus.windows.net/notificationhub1/registrations/{registerId}?api-version=2015-01/>
       <content type="application/xml">
           <BaiduRegistrationDescription xmlns=http://schemas.microsoft.com/netservices/2010/10/servicebus/connect xmlns:i=http://www.w3.org/2001/XMLSchema-instance>
               <ETag>1</ETag>
               <ExpirationTime>9999-12-31T23:59:59.999</ExpirationTime>
               <RegistrationId>{registerId}</RegistrationId>
               <BaiduUserId>{userId}</BaiduUserId>
               <BaiduChannelId>{channelId}</BaiduChannelId>
           </BaiduRegistrationDescription>
       </content>
   </entry>​

4. Use Test Send to check whether the device is registered successfully in the previous step.
   
5. Sends a Baidu native notification through a notification hub.
   - Request
   

   Method	Request URI
   POST	https://<notification_hub_namespace>.servicebus.windows.net/<notification_hub_name>/messages/?api-version=2015-04

   
   - Request Headers
   

   Request Header	Description
   Content-Type	application/json;charset=utf-8
   Authorization	Azure Service Bus access control with Shared Access Signatures - Azure Service Bus | Microsoft Docs
   ServiceBusNotification-DeviceHandle	{RegistrationId}
   ServiceBusNotification-Format	baidu
   x-ms-version	2015-04

   
   - Request Body
   JSON
   

   {"title":"Title","description":"Notification Hub test notification"}​

   
   - Response Code

   Code	Description
   201	Message successfully send to Baidu.

6. Your device should receive the notification you send in previous step in few seconds.

Additional Reference :

• Create a registration | Microsoft Docs
• Direct send | Microsoft Docs