當應用程序在后台時處理本地通知

Question

基本上，我正在安排一個本地通知，以便在特定時間（例如上午 8:00）敲響我的鬧鍾。 現在，我想執行特定任務，例如在應用程序處於后台時播放警報聲，但不點擊我在通知列表中收到的通知橫幅。

我正在使用下面的代碼，但它僅在我點擊通知橫幅並進入應用程序時才有效。

 func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: 
 UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void)
 {
   print("notification recived in background state")
 }

請幫助我使用棘手的解決方案來處理我的本地通知，而無需點擊橫幅。

謝謝是提前。

Answer 1

設置放置在項目包中的聲音文件

let arrayOfSoundFile = ["water.caf","hello.mp3"]
let content = UNMutableNotificationContent()
content.title = NSString.localizedUserNotificationStringForKey("Title..",  arguments: nil)
content.body = NSString.localizedUserNotificationStringForKey("Text Here...", arguments: nil)   

//Custom sound file as par user requriment select file UIPickerView add and select file 

content.sound = UNNotificationSound(named: arrayOfSoundFile[0])
let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 50, repeats: false)
let identifier = "WakeUp"
let request = UNNotificationRequest(identifier: identifier, content: content, trigger: trigger)
let center = UNUserNotificationCenter.currentNotificationCenter()
center.addNotificationRequest(request, withCompletionHandler: { (error) in
if error != nil {
    print("notification created successfully.")
}
})

func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void)
{
    let userInfo = notification.request.content.userInfo
    let dictAps = userInfo["aps"] as! NSDictionary
    print(dictAps)
    completionHandler([.alert, .badge, .sound])
}