Firebase 云消息传递无法检索实例 ID

Ama*_*Zee 3 javascript firebase firebase-cloud-messaging

这是我关于 Stack Overflow 的第一个问题!

我正在尝试使用“firebase deploy”命令在 firebase 服务器上部署我的 firebase 应用程序。在我的本地机器上运行“消息传递”示例 [由 Firebase 提供] 时,生成实例 ID 没有问题。但是,当我在 Firebase 服务器上部署应用程序并在浏览器中运行应用程序时,应用程序无法从 FCM 服务器检索实例 ID。这是我从 Chrome 控制台收到的响应片段:

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: (...) ....
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Fra*_*len 5

您似乎尚未申请接收通知的权限

该方法messaging.requestPermission()会显示一个同意对话框,让用户授予您的应用在浏览器中接收通知的权限。如果权限被拒绝,FCM 注册令牌请求会导致错误。

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);
});
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