关于Firebase Cloud Messaging的主题? [英] Topics on Firebase Cloud Messaging?
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问题描述
在一个应用程序中，有关Firebase Cloud Messaging的不同主题数量是否受到限制?
Is there any constraints about number of different topics for Firebase Cloud Messaging in one app?
推荐答案
不是.看到FCM以GCM为核心，任何应用程序的主题数都没有限制.以前限制为一百万，但已将其删除.您可以参考以下
Nope. Seeing that FCM has GCM as its core, there is no limit in the number of Topics for any app. There used to be a 1 million limit, but it was removed. You can refer to this Google Developers Blog for that.
Also, when creating a Topic in FCM, it could take up to 24 hours for it to be show up in the Firebase Console, as per this post. Cheers! :D
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