是否有仅使用GCM主题时收集注册标记点？ [英] Is there a point in collecting registration tokens when using only the GCM Topics?

问题描述

我目前正在实施云谷歌将消息传递我的应用程序。基本上我的应用程序有类别和我需要的用户进行notifed关于经常性在这些类别的事件。

I'm currently implementing Google Cloud Messaging into my app. Basically my app has categories and I need my users to be notifed about recurring events in those categories.

我决定用GCM主题作为一种简单的方式来通知所有订阅特定类别的用户（我将有200-300主题）。

I decided to use GCM Topics as a simple way to notify all the users subscribed to a specific category (I will have about 200-300 topics).

我的问题是：由于我没有在通知单个用户，而是所有用户订阅频道特定主题计划，有没有在我的服务器上收集注册标记点？这些ID不需要发送下行消息到一主题

My question is : Since I don't plan on notifying a single user but instead all users subcribed to a specific topic, is there a point in collecting the registration tokens on my server ? Those ids are not required to send a downstream messages to a topic.

我现在有20〜000的用户

I currently have ~20 000 users

发送到GCM HTTP连接服务器消息

Message sent to GCM Http Connection Server

{
  "to": "/topics/category1",
  "data": {
    "message": "Hello subscribers of category1 !",
   }
}

感谢您

推荐答案

由于它是不是最好的做法，但在技术上没有必要令牌存储在服务器上，如果你只是想用主题讯息。

As it isn't the best practice but technically there is no need to store tokens on your server if you just want to use topic messaging.

您应该知道这几点：

• 您不能再发送推送通知给特定的用户。


• 您必须处理 onTokenRefresh（）仔细eachtime你会得到一个新的令牌注册用户提供所有所需主题的 agian 。


• 作为主题讯息是GCM新功能的一些旧版本的谷歌游戏服务可能无法的用户订阅的主题。请参见此页面。


• 每个主题有注册用户的最大数量（每个主题100万用户）
限制

• You can't send a push notification to a specific user anymore.
• You have to handle onTokenRefresh() carefully and eachtime you get a new token register the user for all of the desired topics agian.
• As topic messaging is a new feature on GCM some of the users with old version of Google Play Services maybe unable to subscribe to topics. See this page.
• Each topic has a limit for maximum number of registered users (1 Million user per topic)

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