Firebase云消息传递无法检索实例ID

Question

Firebase云消息传递无法检索实例ID

javascriptfirebasefirebase-cloud-messaging

3

这是我在Stack Overflow上的第一个问题！

我正在尝试使用“firebase deploy”命令将我的Firebase应用程序部署到Firebase服务器上。在我的本地计算机上运行Firebase提供的“messaging”示例时，生成实例ID没有任何问题。然而，当我将应用程序部署到Firebase服务器并在浏览器中运行应用程序时，应用程序无法从FCM服务器检索Instance ID。这是我从Chrome控制台获取的响应片段：

No Instance ID token available. Request permission to generate one.
(index):226 Requesting permission...
(index):239 Unable to get permission to notify.  V
(index):226 Requesting permission...
(index):239 Unable to get permission to notify.  V {code: 

    "messaging/permission-blocked", 
    message: "Messaging: The required permissions were not grant… blocked instead. (messaging/permission-blocked)."}
code: "messaging/permission-blocked"message: "Messaging: The required permissions were not granted and blocked instead. (messaging/permission-blocked)."stack: (...) ....

- Aman Zee

1个回答

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原文链接

- Frank van Puffelen · Accepted Answer

看起来您还没有请求接收通知的权限：

The method messaging.requestPermission() displays a consent dialog to let users grant your app permission to receive notifications in the browser. If permission is denied, FCM registration token requests result in an error.
messaging.requestPermission()
.then(function() {
  console.log('Notification permission granted.');
  // TODO(developer): Retrieve a Instance ID token for use with FCM.
  // ...
})
.catch(function(err) {
  console.log('Unable to get permission to notify. ', err);
});