如何在FCM通知中创建主题

问题描述

我正在尝试使用Firebase-Notification API，当我从控制台向应用发送下游消息时，该服务正常工作，但如何将消息发送给注册用户？

我在android方面做了$ / $>
$ b $ pre $ FirebaseMessaging.getInstance（）。 subscribeToTopic（ TopicName）;


但是当我尝试从控制台向主题发送下游消息时，它说

 该项目没有任何主题
  

i计算出来后，映射的话题需要花费1天才能显示在Firebase控制台中

解决方案

首先，假设 IID_TOKEN 是您的注册标记，并且 TOPIC_NAME 是您要创建的主题，您需要
$ b

  https://iid.googleapis.com/iid  POST  / v1 / IID_TOKEN / rel / topics / TOPIC_NAME 
  

要检查您创建的主题， GET 请求

  https://iid.googleapis.com/iid/info/nKctODamlM4:CKrh_PC8kIb7O ... clJONHoA？details = true 
  

并将您的API_KEY插入您的请求标题

  Authorization：key = YOUR_API_KEY 
  

您的主题将占用1天在Firebase控制台中显示，以便进行测试，您可以进行卷曲请求或使用软件，如

I'm trying Firebase-Notification API the service is worked perfect when i send downstream message from console to app, but how to send message to topic registered users ?

i did in android side

FirebaseMessaging.getInstance().subscribeToTopic("TopicName");

but when i try send downstream message from console to topic it's says

This project does not have any topics

EDIT :i figured out that after mapping the topic it's take up to 1 day to show up in Firebase Console

解决方案

First, given that IID_TOKEN is your registration token and TOPIC_NAME is the topic you want to create, you need to create topic by making a POST request to

https://iid.googleapis.com/iid/v1/IID_TOKEN/rel/topics/TOPIC_NAME

And to check your created Topics make a GET request on this URL

 https://iid.googleapis.com/iid/info/nKctODamlM4:CKrh_PC8kIb7O...clJONHoA?details=true

and insert your API_KEY in your Request HEADERS

Authorization: key=YOUR_API_KEY

Your topic will take up to 1 day to show up in Firebase console so for testing you can make curl request or use sofware like Advanced REST client

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