[英]Handle local notification when app is in background
基本上,我正在安排一个本地通知,以便在特定时间(例如上午 8:00)敲响我的闹钟。 现在,我想执行特定任务,例如在应用程序处于后台时播放警报声,但不点击我在通知列表中收到的通知横幅。
我正在使用下面的代码,但它仅在我点击通知横幅并进入应用程序时才有效。
func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response:
UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void)
{
print("notification recived in background state")
}
请帮助我使用棘手的解决方案来处理我的本地通知,而无需点击横幅。
谢谢是提前。
设置放置在项目包中的声音文件
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])
}
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