Android上的Firebase - 我想在Android客户端上禁用Firebase通知 [英] Firebase on Android - I want to disable firebase notifications on Android client

问题描述

我正在使用Firebase控制台向用户发送通知。
但是我想让用户禁用通知。
如何禁用它们？

只有当应用程序处于前台时，才能通过FirebaseMessagingService处理（和停止）通知。但是，当应用程序在后台时，我无法停止通知。

解决方案

不知道为什么会发生这种情况（代码片段也许？ ，但有一个重量级的最终解决方案：在清单中定义您自己的c2dm接收器，并将优先级设置为高（> 0），然后停止处理。

GCM消息按照有序的广播方式进行处理，因此您可以通过调用此方法来停止处理链：

https://developer.android.com/reference/android/content/BroadcastReceiver.html#abortBroadcast（）

如果您在接收器中没有做任何事情，则下一个接收器将执行处理，它将成为Firebase接收器。

请注意：尽管这样做可能是安全的，但是您认为没有其他内容是作为推送通知发送的通过Firebase进行。现在可能是这样（虽然我不完全确定），但未来可能会改变。所以，请记住这一点，并广泛地测试解决方案。

I'm using Firebase console to send notifications to users. However I want to let users disable notifications. How can I disable them?

I am able to handle (and stop) notifications through FirebaseMessagingService only when the app is in foreground. But I cannot stop notifications when the app is in background.

解决方案

Not sure why this happens to you (code snippet maybe?), but there is a heavy weight ultimate solution: define your own c2dm receiver in the manifest and set the priority high (>0) then stop the notification from processing.

GCM messages are processed as ordered broadcasts, so you can stop the processing chain by calling this method:

https://developer.android.com/reference/android/content/BroadcastReceiver.html#abortBroadcast()

If you don't do anything in your receiver then the next receiver will do the processing, which will be the Firebase receiver.

Please note: while it is safe to do this probably, you are assuming that nothing else is sent as push notification by Firebase. It might be true now (although I am not entirely sure), but it might change in the future. So, just keep this in mind and test the solution extensively.

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