android - Cordova Android 应用程序不从服务器端接收 FCM 通知

Question

我一直陷入 Cordova Android 应用程序问题，我尝试通过 Cordova 的 Firebase 插件接收 FCM 通知，每次我通过 Firebase 控制台发送通知时，设备都会收到消息，但是当我尝试使用 Firebase API 时我的服务器端，它说它已发送通知(状态 200)，但设备没有收到任何通知。

即使我尝试通过 Postman 测试发送通知，同样的情况也会发生，发送状态出现 200，但设备上没有消息到达。

我的服务器端是基于 .NET 构建的。如果有人可以帮助我，我将不胜感激。

Public Function SendNotificationToFirebaseCloud() As [String]
    Dim result = "-1"
    Dim webAddr = "https://fcm.googleapis.com/fcm/send"

    Dim httpWebRequest = DirectCast(WebRequest.Create(webAddr), HttpWebRequest)
    httpWebRequest.ContentType = "application/json"
    httpWebRequest.Headers.Add("Authorization:key=MY_AUTHORIZATION_KEY")
    httpWebRequest.Method = "POST"

    Using streamWriter = New StreamWriter(httpWebRequest.GetRequestStream())
        Dim json As String = "{""to"" : ""MY_FIREBASE_TOKEN"", ""priority"": ""high"", ""data"" : { ""name"" : ""VIP"", ""othername"" : ""Leiloes"" }}"
        streamWriter.Write(json)
        streamWriter.Flush()
    End Using

    Dim httpResponse = DirectCast(httpWebRequest.GetResponse(), HttpWebResponse)
    Using streamReader = New StreamReader(httpResponse.GetResponseStream())
        result = streamReader.ReadToEnd()
    End Using

    Return result
End Function

Answer 1

您的 JSON 中应该有一个“通知”字段，因为结构需要:

{
    "to" : "xxxx", 
    "priority" : "high", 
    "notification" : {
        "title" : "Your title",
        "body" : "Your body",
        "click_action" : "FCM_PLUGIN_ACTIVITY", //(This one is important as it's used to trigger the event when you click on the notification)
        "icon" : "myicon",
        "sound" : "default"
    },
    "data" : {
        "name" : "VIP", 
        "othername" : "Leiloes"
    }
}