DidReceiveNotificationRequest中没有被调用 [英] DidReceiveNotificationRequest in not getting called

问题描述

我有一个xamarin表单应用程序，并且从服务器接收通知时未调用ios Notification Service扩展.

I have a xamarin forms application and ios Notification service extension is not getting called when I receive notification from server.

到目前为止，我已经做了以下事情:

I have done the following things so far:

1. 已在apns有效负载中添加了mutable-content = 1.

这就是我在服务中操纵apns有效载荷的方式

This is how I manipulate the apns payload in the service

    public class NotificationService : UNNotificationServiceExtension
    {
        Action<UNNotificationContent> ContentHandler { get; set; }
        UNMutableNotificationContent BestAttemptContent { get; set; }

        protected NotificationService(IntPtr handle) : base(handle)
        {

        }

        public override void DidReceiveNotificationRequest(UNNotificationRequest request, Action<UNNotificationContent> contentHandler)
        {
            ContentHandler = contentHandler;
            BestAttemptContent = (UNMutableNotificationContent)request.Content.MutableCopy();

            var newAlertContent = new UNMutableNotificationContent
            {
                Body = "Body from Service",
                Title = "Title from Service",
                Sound = BestAttemptContent.Sound,
                Badge = 2
            };
            ContentHandler(newAlertContent);
        }

        public override void TimeWillExpire()
        {
        }
    }

1. 我还完成了通知服务扩展捆绑包ID.(我的应用程序捆绑包ID为com.companyname.appname.test，扩展捆绑包id为com.companyname.appname.test.xxxxServiceExtension

1. I also have the the notification service extension bundle id done.(My app bundle id is com.companyname.appname.test and the extension bundle id is com.companyname.appname.test.xxxxServiceExtension

在Finishlaunching方法的AppDelegate类中，我还添加了权限代码.

In the AppDelegate class in Finishlaunching method I also have the permission code added.

  UNUserNotificationCenter.Current.RequestAuthorization(UNAuthorizationOptions.Alert, (approved, err) => {
            });

还有什么需要做的吗?

推荐答案

仅当远程通知的有效负载包含以下信息时，系统才会执行通知内容应用扩展:

The system executes your notification content app extension only when a remote notification’s payload contains the following information:

有效负载必须包含值为1的可变内容密钥.

The payload must include the mutable-content key with a value of 1.

有效负载必须包括带有标题，副标题或正文信息的警报字典.

The payload must include an alert dictionary with title, subtitle, or body information.

清单2显示了包含加密数据的通知有效负载的JSON数据.设置了可变内容标志，以便用户设备知道运行相应的服务应用扩展程序，其代码显示在.

Listing 2 shows the JSON data for a notification payload containing encrypted data. The mutable-content flag is set so that the user’s device knows to run the corresponding service app extension, the code for which is shown in .

清单2 指定远程通知有效负载

Listing 2 Specifying the remote notification payload

{
   "aps" : {
      "category" : "SECRET",
      "mutable-content" : 1,
      "alert" : {
         "title" : "Secret Message!",
         "body"  : "(Encrypted)"
     },
   },
   "ENCRYPTED_DATA" : "Salted__·öîQÊ$UDì_¶Ù∞è   Ω^¬%gq∞NÿÒQùw"
}

确定要指定警报键吗?

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