我已成功从服务器向FireBase Cloud 消息传递（FCM）发送推送通知，以便将它们发送到Android设备 . 但我不知道为什么FCM不会将这些通知发送到设备 .
我的代码如下，
Notification to FCM from server(C#)
public static void SendPushNotification()
{
string serverKey = "AAAA...z";
try
{
var result = "-1";
var webAddr = "https://fcm.googleapis.com/fcm/send";
var httpWebRequest = (HttpWebRequest)WebRequest.Create(webAddr);
httpWebRequest.ContentType = "application/json";
httpWebRequest.Headers.Add("Authorization:key=" + serverKey);
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
string json = "{\"to\": \"f..A:..p_G\",\"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();
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
My response for the above request
{ “multicast_id”：5002368547300， “成功”：1， “失败”：0， “canonical_ids”：0 “结果”：[{ “MESSAGE_ID”： “0：14200031％09c4rrr5787egg”}]}
我假设一旦FCM收到新通知，它会将这些通知推送到相应的Android设备 .
但对我来说，它不起作用 .
1 回答
我通过参考以下链接得到了解决方案
Firebase push notification not showing on phone despite successful response
一旦我改变了上面链接中提到的'json'字符串，就可以了 .