C# 如何实现AppCenter推送API？

重要-微软很快就要退出AppCenter推送，您仍然可以按照我下面的答案来实施它。或者你也可以使用Firebase和Apple推送通知在上关注我的新帖子。多谢各位

我一直在互联网上阅读和寻找如何轻松实现这一点的例子，但没有发现任何有用的东西

我阅读并实现了这个 . 他的解决方案提供了一个很好的开端，但并不完整

因此，我将Andrew Hoefling的解决方案从上面改进为一个完整的工作版本，并认为在下面的答案中与fellows Xamarin成员分享是一件好事。

公共类AppCenterPush
public class AppCenterPush
{
    User receiver = new User();

    public AppCenterPush(Dictionary<Guid, string> dicInstallIdPlatform)
    {
        //Simply get all the Install IDs for the receipient with the platform name as the value
        foreach(Guid key in dicInstallIdPlatform.Keys)
        {
            switch(dicInstallIdPlatform[key])
            {
                case "Android":
                    receiver.AndroidDevices.Add(key.ToString());

                    break;

                case "iOS":
                    receiver.IOSDevices.Add(key.ToString());

                    break;
            }
        }
    }

    public class Constants
    {
        public const string Url = "https://api.appcenter.ms/v0.1/apps";
        public const string ApiKeyName = "X-API-Token";     
        
        //Push required to use this. Go to https://docs.microsoft.com/en-us/appcenter/api-docs/index for instruction
        public const string FullAccessToken = "{FULL ACCESS TOKEN}";   
        
        public const string DeviceTarget = "devices_target";
        public class Apis { public const string Notification = "push/notifications"; }

        //You can find your AppName and Organization/User name at your AppCenter URL as such https://appcenter.ms/users/{owner-name}/apps/{app-name}
        public const string AppNameAndroid = "{APPNAME_ANDROID}";
        public const string AppNameIOS = "{APPNAME_IOS}";

        public const string Organization = "{ORG_OR_USER}";
    }

    [JsonObject]
    public class Push
    {
        [JsonProperty("notification_target")]
        public Target Target { get; set; }

        [JsonProperty("notification_content")]
        public Content Content { get; set; }
    }

    [JsonObject]
    public class Content
    {
        public Content()
        {
            Name = "default";   //By default cannot be empty, must have at least 3 characters
        }

        [JsonProperty("name")]
        public string Name { get; set; }

        [JsonProperty("title")]
        public string Title { get; set; }

        [JsonProperty("body")]
        public string Body { get; set; }

        [JsonProperty("custom_data")]
        public IDictionary<string, string> CustomData { get; set; }
    }

    [JsonObject]
    public class Target
    {
        [JsonProperty("type")]
        public string Type { get; set; }

        [JsonProperty("devices")]
        public IEnumerable Devices { get; set; }
    }

    public class User
    {
        public User()
        {
            IOSDevices = new List<string>();
            AndroidDevices = new List<string>();
        }

        public List<string> IOSDevices { get; set; }
        public List<string> AndroidDevices { get; set; }
    }

    public async Task<bool> Notify(string title, string message, Dictionary<string, string> customData = default(Dictionary<string, string>))
    {
        try
        {
            //title, message length cannot exceed 100 char
            if (title.Length > 100)
                title = title.Substring(0, 95) + "...";

            if (message.Length > 100)
                message = message.Substring(0, 95) + "...";

            if (!receiver.IOSDevices.Any() && !receiver.AndroidDevices.Any())
                return false; //No devices to send

            //To make sure in Android, title and message is retain when click from notification. Else it's lost when app is in background
            if (customData == null)
                customData = new Dictionary<string, string>();

            if (!customData.ContainsKey("Title"))
                customData.Add("Title", title);

            if (!customData.ContainsKey("Message"))
                customData.Add("Message", message);

            //custom data cannot exceed 100 char 
            foreach (string key in customData.Keys)
            {
                if(customData[key].Length > 100)
                {
                    customData[key] = customData[key].Substring(0, 95) + "...";
                }
            }

            var push = new Push
            {
                Content = new Content
                {
                    Title = title,
                    Body = message,
                    CustomData = customData
                },
                Target = new Target
                {
                    Type = Constants.DeviceTarget
                }
            };

            HttpClient httpClient = new HttpClient();

            //Set the content header to json and inject the token
            httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            httpClient.DefaultRequestHeaders.Add(Constants.ApiKeyName, Constants.FullAccessToken);

            //Needed to solve SSL/TLS issue when 
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;

            if (receiver.IOSDevices.Any())
            {
                push.Target.Devices = receiver.IOSDevices;

                string content = JsonConvert.SerializeObject(push);

                HttpContent httpContent = new StringContent(content, Encoding.UTF8, "application/json");

                string URL = $"{Constants.Url}/{Constants.Organization}/{Constants.AppNameiOS}/{Constants.Apis.Notification}";

                var result = await httpClient.PostAsync(URL, httpContent);
            }

            if (receiver.AndroidDevices.Any())
            {
                push.Target.Devices = receiver.AndroidDevices;

                string content = JsonConvert.SerializeObject(push);

                HttpContent httpContent = new StringContent(content, Encoding.UTF8, "application/json");

                string URL = $"{Constants.Url}/{Constants.Organization}/{Constants.AppNameAndroid}/{Constants.Apis.Notification}";

                var result = await httpClient.PostAsync(URL, httpContent);
            }

            return true;
        }
        catch(Exception ex)
        {
            Console.WriteLine(ex.ToString());

            return false;
        }
    }
}

{
用户接收器=新用户（）；
公共AppCenterPush（Dictionary dicInstallIdPlatform）
{
//只需以平台名称作为值获取Receipent的所有安装ID即可
foreach（dicsinstallidplatform.Keys中的Guid键）
{
开关（DIC安装平台[键]）
{
案例“Android”：
receiver.AndroidDevices.Add（key.ToString（））；
打破
案例“iOS”：
receiver.IOSDevices.Add（key.ToString（））；
打破
}
}
}
公共类常量
{
公用常量字符串Url=”https://api.appcenter.ms/v0.1/apps";
public const string ApiKeyName=“X-API-Token”；
//需要按此按钮才能使用此功能。请转到https://docs.microsoft.com/en-us/appcenter/api-docs/index 请示
public const string FullAccessToken=“{FULL ACCESS TOKEN}”；
public const string DeviceTarget=“设备\目标”；
公共类API{public const string Notification=“push/notifications”；}
//您可以在AppCenter URL中找到您的AppName和组织/用户名https://appcenter.ms/users/{owner name}/apps/{app name}
public const字符串appnameadroid=“{APPNAME_ANDROID}”；
公用常量字符串AppNameIOS=“{APPNAME_IOS}”；
public const string Organization=“{ORG\u或_USER}”；
}
[JsonObject]
公共类推送
{
[JsonProperty（“通知对象”）]
公共目标目标{get；set；}
[JsonProperty（“通知内容”）]
公共内容{get；set；}
}
[JsonObject]
公开课内容
{
公共内容（）
{
Name=“default”//默认情况下不能为空，必须至少有3个字符
}
[JsonProperty（“名称”）]
公共字符串名称{get；set；}
[JsonProperty（“所有权”）]
公共字符串标题{get；set；}
[JsonProperty（“主体”）]
公共字符串体{get；set；}
[JsonProperty（“自定义数据”）]
公共IDictionary自定义数据{get；set；}
}
[JsonObject]
公共类目标
{
[JsonProperty（“类型”）]
公共字符串类型{get；set；}
[JsonProperty（“设备”）]
公共IEnumerable设备{get；set；}
}
公共类用户
{
公共用户（）
{
IOSDevices=新列表（）；
AndroidDevices=新列表（）；
}
公共列表设备{get；set；}
公共列表AndroidDevices{get；set；}
}
公共异步任务通知（字符串标题、字符串消息、字典customData=default（字典））
{
尝试
{
//标题，消息长度不能超过100个字符
如果（标题长度>100）
title=title.子字符串（0,95）+“…”；
如果（message.Length>100）
message=message.Substring（0,95）+“…”；
如果（！receiver.IOSDevices.Any（）&&！receiver.AndroidDevices.Any（））
返回false；//没有要发送的设备
//为了确保在安卓系统中，当从通知中单击时，标题和消息将被保留。否则，当应用程序位于后台时，标题和消息将丢失
if（customData==null）
customData=新字典（）；
如果（！customData.ContainsKey（“标题”））
添加（“标题”，标题）；
如果（！customData.ContainsKey（“消息”））
customData.Add（“Message”，Message）；
//自定义数据不能超过100个字符
foreach（customData.Keys中的字符串键）
{
如果（自定义数据[键]。长度>100）
{
customData[key]=customData[key]。子字符串（0,95）+“…”；
}
}
var push=新推送
{
内容=新内容
{
头衔，
Body=消息，
CustomData=CustomData
},
目标=新目标
{
类型=常量。设备目标
}
};
HttpClient HttpClient=新HttpClient（）；
//将内容头设置为json并注入令牌
httpClient.DefaultRequestHeaders.Accept.Add（新的MediaTypeWithQualityHeaderValue（“应用程序/json”）；
httpClient.DefaultRequestHeaders.Add（Constants.ApiKeyName、Constants.FullAccessToken）；
//需要在以下情况下解决SSL/TLS问题：
ServicePointManager.SecurityProtocol=SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12；
if（receiver.IOSDevices.Any（））
{
push.Target.Devices=receiver.ios设备；
string content=JsonConvert.SerializeObject（推送）；
HttpContent HttpContent=新的StringContent（content，Encoding.UTF8，“application/json”）；
字符串URL=$“{Constants.URL}/{Constants.Organization}/{Constants.AppNameiOS}/{Constants.api.Notification}”；
var result=wait-httpClient.PostAsync（URL，httpContent）；
}
如果（接收端）
 var receiptInstallID = new Dictionary<string, string>
    {
        { "XXX-XXX-XXX-XXX", "Android" },
        { "YYY-YYY-YYY-YYY", "iOS" }
    };

AppCenterPush appCenterPush = new AppCenterPush(receiptInstallID);

await appCenterPush.Notify("{YOUR_TITLE}", "{YOUR_MESSAGE}", null);

string URL = $"{Constants.Url}/{Constants.Organization}/Constants.AppNameiOS}/{Constants.Apis.Notification}";

string URL = $"{Constants.Url}/{Constants.Organization}/{Constants.AppNameIOS}/{Constants.Apis.Notification}";

var receiptInstallID = new Dictionary<Guid, string>

using Newtonsoft.Json;  
using System;  
using System.Collections;  
using System.Collections.Generic;  
using System.Linq;  
using System.Net;  
using System.Net.Http;  
using System.Net.Http.Headers;  
using System.Text;  
using System.Threading.Tasks;  

 public class AppCenterPush
{
    User receiver = new User();

    public AppCenterPush(Dictionary<string, string> dicInstallIdPlatform)
    {
        //Simply get all the Install IDs for the receipient with the platform name as the value
        foreach (string key in dicInstallIdPlatform.Keys)
        {
            switch (dicInstallIdPlatform[key])
            {
                case "Android":
                    receiver.AndroidDevices.Add(key.ToString());

                    break;

                case "iOS":
                    receiver.IOSDevices.Add(key.ToString());

                    break;
            }
        }
    }

    public class Constants
    {
        public const string Url = "https://api.appcenter.ms/v0.1/apps";
        public const string ApiKeyName = "X-API-Token";

        //Push required to use this. Go to https://docs.microsoft.com/en-us/appcenter/api-docs/index for instruction
        public const string FullAccessToken = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";

        public const string DeviceTarget = "devices_target";
        public const string UserTarget = "user_ids_target";
        public class Apis { public const string Notification = "push/notifications"; }

        //You can find your AppName and Organization/User name at your AppCenter URL as such https://appcenter.ms/users/{owner-name}/apps/{app-name}
        public const string AppNameAndroid = "XXXXXX";
        public const string AppNameIOS = "XXXXXX";

        public const string Organization = "XXXXXXX";
    }

    [JsonObject]
    public class Push
    {
        [JsonProperty("notification_target")]
        public Target Target { get; set; }

        [JsonProperty("notification_content")]
        public Content Content { get; set; }
    }

    [JsonObject]
    public class Content
    {
        public Content()
        {
            Name = "default";   //By default cannot be empty, must have at least 3 characters
        }

        [JsonProperty("name")]
        public string Name { get; set; }

        [JsonProperty("title")]
        public string Title { get; set; }

        [JsonProperty("body")]
        public string Body { get; set; }

        [JsonProperty("custom_data")]
        public IDictionary<string, string> CustomData { get; set; }
    }

    [JsonObject]
    public class Target
    {
        [JsonProperty("type")]
        public string Type { get; set; }

        [JsonProperty("user_ids")]
        public IEnumerable Users { get; set; }
    }

    public class User
    {
        public User()
        {
            IOSDevices = new List<string>();
            AndroidDevices = new List<string>();
        }

        public List<string> IOSDevices { get; set; }
        public List<string> AndroidDevices { get; set; }
    }

    public async Task<bool> Notify(string title, string message, Dictionary<string, string> customData = default(Dictionary<string, string>))
    {
        try
        {
            //title, message length cannot exceed 100 char
            if (title.Length > 100)
                title = title.Substring(0, 95) + "...";

            if (message.Length > 100)
                message = message.Substring(0, 95) + "...";

            if (!receiver.IOSDevices.Any() && !receiver.AndroidDevices.Any())
                return false; //No devices to send

            //To make sure in Android, title and message is retain when click from notification. Else it's lost when app is in background
            if (customData == null)
                customData = new Dictionary<string, string>();

            if (!customData.ContainsKey("Title"))
                customData.Add("Title", title);

            if (!customData.ContainsKey("Message"))
                customData.Add("Message", message);

            //custom data cannot exceed 100 char 
            foreach (string key in customData.Keys)
            {
                if (customData[key].Length > 100)
                {
                    customData[key] = customData[key].Substring(0, 95) + "...";
                }
            }

            var push = new Push
            {
                Content = new Content
                {
                    Title = title,
                    Body = message,
                    CustomData = customData
                },
                Target = new Target
                {
                    Type = Constants.UserTarget
                }
            };

            HttpClient httpClient = new HttpClient();

            //Set the content header to json and inject the token
            httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            httpClient.DefaultRequestHeaders.Add(Constants.ApiKeyName, Constants.FullAccessToken);

            //Needed to solve SSL/TLS issue when 
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;

            if (receiver.IOSDevices.Any())
            {
                push.Target.Users = receiver.IOSDevices;

                string content = JsonConvert.SerializeObject(push);

                HttpContent httpContent = new StringContent(content, Encoding.UTF8, "application/json");

                string URL = $"{Constants.Url}/{Constants.Organization}/{Constants.AppNameIOS}/{Constants.Apis.Notification}";

                var result = await httpClient.PostAsync(URL, httpContent);
            }

            if (receiver.AndroidDevices.Any())
            {
                push.Target.Users = receiver.AndroidDevices;

                string content = JsonConvert.SerializeObject(push);

                HttpContent httpContent = new StringContent(content, Encoding.UTF8, "application/json");

                string URL = $"{Constants.Url}/{Constants.Organization}/{Constants.AppNameAndroid}/{Constants.Apis.Notification}";

                var result = await httpClient.PostAsync(URL, httpContent);
            }

            return true;
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.ToString());

            return false;
        }
    }
}

public async void PushNotification()
    {
        var receiptInstallID = new Dictionary<string, string>
                {
                    {"17593989838", "Android" }
                };

        var customData = new Dictionary<string, string>
                {
                    {"taskId", "1234" }
                };

        AppCenterPush appCenterPush = new AppCenterPush(receiptInstallID);

        await appCenterPush.Notify("Hello", "How are you?", customData);

    }