如何将 Firebase 消息发送到项目中的特定应用程序?

问题描述

我对 firebase 有疑问.它允许为单个项目添加多个应用程序.我添加了 App1、App2 和 App3.如何单独向 App1 发送通知?这 3 个应用的服务器密钥是相同的.

I have a doubt based on firebase. It allows to add multiple application for a single project. I have added App1, App2 and App3. How can I send a notification to App1 alone? Server key is the same for those 3 apps.

推荐答案

在 Firebase 控制台的通知面板中，您可以向特定应用发送通知消息.但 Firebase Cloud Messaging API 不支持此类定位.

In the Notifications panel in the Firebase Console, you can send a notification message to a specific app. But there is no support for such targeting in the Firebase Cloud Messaging API.

不过，您可以通过为每个应用定义特定属性来轻松模拟该行为:/topics/apps-app1、/topics/apps-app2、等等.然后让每个应用订阅自己的主题并且您可以使用单个 FCM 服务器密钥来定位每个应用的用户.

You can easily emulate the behavior though, by defining a specific property for each of your apps: /topics/apps-app1, /topics/apps-app2, etc. Then have each app subscribe to its own topic and you can target the users of each app with a single FCM server key.

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