c# - 使用 Azure 通知中心的带有应用程序数据的谷歌云消息传递负载

Question

我正在尝试从我的后端应用程序向 Android 手机发送通知。我设法安装并删除了设备。现在我在消息有效负载方面遇到了问题。我需要声音提示，我需要在消息中发送一些应用程序数据。这就是我现在构建有效载荷的方式，但我认为这并不好:

string notificationText = NotificationText(story, profile);

JProperty messageJProperty = new JProperty("message", notificationText);
JObject messageJObject = new JObject(messageJProperty);
JProperty objectJProperty = new JProperty("data", messageJObject);
JObject message = new JObject(objectJProperty);
var payload = message.ToString();

return payload;

谢谢

更新(2017 年 11 月 3 日):我发现 Azure 会接受这种负载格式:

private string Payload(string notificationText, StoryEntity story, ProfileEntity profile, string deviceToken)
{
        var payload = new JObject
        (
            new JProperty("registration_ids", new JArray(deviceToken)),
            new JProperty("data", new JObject(
                                              new JProperty("title", "Mapporia has new stroy>"),
                                              new JProperty("message", notificationText)
                                              )),
            new JProperty("notId", $"{new Random().Next(int.MaxValue)}"),
            new JProperty("content-available", 1),
            new JProperty("soundname", "default"),
            new JProperty("image", @"www/assets/img/logo.png"),
            new JProperty("image-type", "circle"),
            new JProperty("style", "inbox"),
            new JProperty("notData", new JObject(
                                                   new JProperty("storyId", story.Id),
                                                   new JProperty("profileId", profile.Id)
                                                 ))
        ).ToString(Newtonsoft.Json.Formatting.None);

        return payload;
    }

这是我的 json 的样子:

但现在 Azure 抛出异常:

1 2017-11-01 Create Story : The remote server returned an error: (400) Bad Request. The supplied notification payload is invalid.TrackingId:666febf6-85fe-4ebd-867d-00ce5a668809_G3,TimeStamp:11/1/2017 9:53:07 PM

我错过了什么吗？根据这个page ，我建错了!

Answer 1

GCM 的正确 JSON 格式是:

    {
        "to" : "{{devicetoken}} OR {{registrationID form Azure}}",
        "data":
            {
                "title":"{{title goes here}}",
                "message":"{{message body goes here}}",
                "priority":"high"
            },
        "notId":"{{unique ID, I used RANDOM to generate it}}",
        "content-available":1,
        "soundname":"default",
        "image":"www/assets/img/logo.png",
        "image-type":"circle",
        "style":"inbox",
        "notData":
            {
                "storyId":1,
                "profileId":6
            }
    }

以及如何使用 C# 和 Newtonsoft JSON nuget packege 构建此 JSON:

            var payload = new JObject
            (
                new JProperty("to", deviceToken),
                new JProperty("data", new JObject(
                                                  new JProperty("title", "title goes here"),
                                                  new JProperty("message", "notification text goes here"),
                                                  new JProperty("priority", "high")
                                                  )),
                new JProperty("notId", $"{new Random().Next(int.MaxValue)}"),
                new JProperty("content-available", 1),
                new JProperty("soundname", "default"),
                new JProperty("image", @"www/assets/img/logo.png"),
                new JProperty("image-type", "circle"),
                new JProperty("style", "inbox"),
                new JProperty("notData", new JObject(
                                                       new JProperty("storyId", story.Id),
                                                       new JProperty("profileId", profile.Id)
                                                     ))
            ).ToString(Newtonsoft.Json.Formatting.None);