使用FCM通过c＃WebApi向Android发送通知

Question

        var webAddr = "https://fcm.googleapis.com/fcm/send";

        var httpWebRequest = (HttpWebRequest)WebRequest.Create(webAddr);
        httpWebRequest.ContentType = "application/json";
        httpWebRequest.Headers.Add("Authorization:key=" + "My application ID");
        httpWebRequest.Method = "POST";

        using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
        {
            string json = "{\"to\": \"/topics/news\",\"data\": {\"message\": \"This is a Firebase Cloud Messaging Topic Message!\",}}";


            streamWriter.Write(json);
            streamWriter.Flush();
        }

        var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
        using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
        {
            result = streamReader.ReadToEnd();
        }

这是我正在尝试但出现错误

System.dll中发生了'System.Net.WebException'类型的未处理异常

附加信息：远程服务器返回错误：（401）未经授权。

Answer 1

如下更改有效载荷，它将正常工作{“ to”：这是您的令牌“，”通知“：{” body“：”新消息新消息ew ESSAGE新消息新MW技术“，” title“：” Tesing596“ ，“ icon”：“ myicon”，“ sound”：mySound“，” click_action“：” android.PS“}}