当我创建 CKSubscription 时,在 iOS 上调用 didReceiveRemoteNotification 就好了,但在 MacOS 上却不行。我遇到了一个 2015 SO 线程谈论错误,建议的解决方法是将通知信息的 soundName 设置为空字符串 - 不幸的是,这并没有解决我的问题。
以下是我注册远程通知的方法:
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
let subscription = CKQuerySubscription(recordType: "Reminder", predicate: NSPredicate(format: "TRUEPREDICATE"), options: [.firesOnRecordCreation, .firesOnRecordUpdate])
// Here we customize the notification message
let info = CKSubscription.NotificationInfo()
info.shouldSendContentAvailable = true
info.desiredKeys = ["identifier", "title", "date"]
info.soundName = ""
subscription.notificationInfo = info
// Save the subscription to Private Database in Cloudkit
CKContainer.default().privateCloudDatabase.save(subscription, completionHandler: { subscription, error in
if error == nil {
// Subscription saved successfully
} else {
// Error occurred
}
})
}