ios - 如何保存 pushNotification 附带的两个项目

Question

1)当通知到来时，我需要保存来自 AnyHashable("data") "amount"和 "inBalance"的数据吗？

2)来自服务器的两次推送，第一次推送“消息”，第二次推送“nil message body”。当出现 nil 消息时，我需要静音吗？我怎样才能保存它？我正在使用 xCode 10.2.1

我的 pushNotification.swift 代码如下:

enum PillikanRemoteNotification:Int {
    case empty
    case notification = 2
    case news = 3
}

class PushManagerNotification {
    func convert(with value: [AnyHashable: Any], and state: PushNotificationAction) {
        guard let json = value as? [String: AnyObject], !json.isEmpty else { return }
        guard let jsonString = value["data"] as? String, !jsonString.isEmpty else { return }
        guard let jsonData = jsonString.data(using: .utf8) else { return }
        guard let rawDictionary = try? JSONSerialization.jsonObject(with: jsonData, options: .mutableLeaves) else { return }
        guard let dictionary = rawDictionary as? [String: AnyObject] else { return }
        guard let actionType = dictionary["action"] as? String, let action = Int(actionType) else { return }
        guard let notificationType = PillikanRemoteNotification(rawValue: action) else { return }
        guard let messageBody = dictionary["msg"] as? [String: AnyObject] else { return }

        if state == .show {
            showBadges(dictionary: messageBody)
            return
        }

        switch notificationType {
        case .notification:
            showNotification(dictionary: messageBody)
            break
        default:
            break;
        }
    }

    private func showBadges(dictionary: [String: AnyObject]) {
        guard let badgeMessage = dictionary["badges"] as? [String: AnyObject] else { return }
        guard let badges = Badges(JSON: badgeMessage) else { return }
        UIApplication.shared.notificationBadgesForNotification = badges.notifications
        UIApplication.shared.notificationBadgesForNews = badges.news
        UIApplication.shared.applicationIconBadgeNumber = badges.news + badges.notifications
        NotificationCenter.default.post(name: .badges, object: badges)
    }

    private func showNotification(dictionary: [String:AnyObject]) {
        if let message = NotificationEntity(JSON: dictionary) {
            NotificationCenter.default.post(name: .notification, object: message);
        }
    }

extension Notification.Name {
    static let empty = Notification.Name("empty");
    static let notification = Notification.Name("notification");
    static let news = Notification.Name("news");
    static let badges = Notification.Name("badges")
}

Answer 1

对于静默通知，有两个标准:

1.) 有效负载的 aps 字典必须包含值为 1 的内容可用键。

2.) 有效负载的 aps 字典不得包含警报、声音或角标(Badge)键。

例子

{ “应用程序”:{ “可用内容”:1 }, “cusomtkey1”:“栏”， “cusomtkey2”:42