Bdtjtk

My code below is supposed to act as an alarm clock. When the date and time matches nothing is happening but I am seeing my print in the log file. Please try this code and test what I am doing it wrong. It seemed liked it worked before. This is supposed to still go off in the background if the user is not using the app.

      import UIKit;import AVFoundation;import UserNotifications

class ViewController: UIViewController, UNUserNotificationCenterDelegate {var timer = Timer();var isGrantedAccess = false;var player: AVAudioPlayer?

    var passingDate : Date?

    @IBOutlet var dptext: UITextField!

    let datePicker = UIDatePicker()

    @IBOutlet var taskIDo: UITextView!







    override func viewWillAppear(_ animated: Bool)

    {

    createDatePicker()

        timer  = Timer.scheduledTimer(timeInterval: 10, target: self, selector: #selector(ViewController.testDate), userInfo: nil, repeats: true)

    }



    func playSound() {

        let url = Bundle.main.url(forResource: "fc", withExtension: "mp3")!

        do {

            player = try AVAudioPlayer(contentsOf: url)

            guard let player = player else { return }



            player.prepareToPlay();player.play()} catch let error as NSError {print(error.description)}}





func createDatePicker() {

    datePicker.datePickerMode = .dateAndTime

let toolbar = UIToolbar()

    toolbar.sizeToFit() 



    let doneButton = UIBarButtonItem(barButtonSystemItem: .done, target: nil, action: #selector(donePressed))

    toolbar.setItems([doneButton], animated: false)



    dptext.inputAccessoryView = toolbar;dptext.inputView = datePicker

  }





    func testDate() {

        if Calendar.current.isDate(datePicker.date, equalTo: Date(), toGranularity: .minute) {

            if let passingDate = passingDate, Calendar.current.isDate(datePicker.date, equalTo: passingDate, toGranularity: .minute)

            {

                                    return

            }



            passingDate = datePicker.date





          if dptext.text != ""

            {



                let c = UNMutableNotificationContent()

                c.title = "Lets Roll"





                let t = UNTimeIntervalNotificationTrigger(timeInterval: 5, repeats: false)

                let r = UNNotificationRequest(identifier: "any", content: c, trigger: t)



                UNUserNotificationCenter.current().add(r, withCompletionHandler: nil)

                /////





                let when = DispatchTime.now() + 20

                DispatchQueue.main.asyncAfter(deadline: when) {







                }



            } else {

            print("No its not empty")}}}





func donePressed() {



    let dateFormatter = DateFormatter()

    dateFormatter.dateStyle = .short

    dateFormatter.timeStyle = .short

    dptext.text = dateFormatter.string(from: datePicker.date)

    self.view.endEditing(true)







    }}

A few things:

• Make sure you are setting the UNUserNotificationCenter.current().delegate in your ViewController.


• If you expect this to show when the app is in the foreground this isn't correct. You need to minimize the app in order to see the internal notification.


• 
  

  Request permissions for notifications in your app delegate:

  
  
  

  center.requestAuthorization(options:[.badge, .alert, .sound]) { (granted, error) in
  
              // Enable or disable features based on authorization.
  
          }
  
  

  
  

Here's the code I used to test your configuration:

import UIKit

import AVFoundation

import UserNotifications



let center = UNUserNotificationCenter.current() // usernotification center



class ViewController: UIViewController, UNUserNotificationCenterDelegate {

    var timer = Timer()

    var isGrantedAccess = false

    var player: AVAudioPlayer?

    var passingDate : Date?

    @IBOutlet var dptext: UITextField!

    let datePicker = UIDatePicker()

    @IBOutlet var taskIDo: UITextView!



    override func viewWillAppear(_ animated: Bool) {



        center.delegate = self

        createDatePicker()

        timer  = Timer.scheduledTimer(timeInterval: 10, target: self, selector: #selector(testDate), userInfo: nil, repeats: true)



    }



    func playSound() {

        let url = Bundle.main.url(forResource: "fc", withExtension: "mp3")!

        do {

            player = try AVAudioPlayer(contentsOf: url)

            guard let player = player else { return }



            player.prepareToPlay();player.play()} catch let error as NSError {print(error.description)}}





    func createDatePicker() {

        datePicker.datePickerMode = .dateAndTime

        let toolbar = UIToolbar()

        toolbar.sizeToFit()



        let doneButton = UIBarButtonItem(barButtonSystemItem: .done, target: nil, action: #selector(donePressed))

        toolbar.setItems([doneButton], animated: false)



        dptext.inputAccessoryView = toolbar;dptext.inputView = datePicker

    }



    @objc func testDate() {

        print("in testDate")

        if Calendar.current.isDate(datePicker.date, equalTo: Date(), toGranularity: .minute) {

            if let passingDate = passingDate, Calendar.current.isDate(datePicker.date, equalTo: passingDate, toGranularity: .minute)

            {

                print("in return")

                return

            }



            passingDate = datePicker.date



            let content = UNMutableNotificationContent()

            content.badge = true

            content.title = "Test"

            content.body = "Lets Roll!"

            content.sound = UNNotificationSound.default



            let t = UNTimeIntervalNotificationTrigger(timeInterval: 60, repeats: true)

            let r = UNNotificationRequest(identifier: "any", content: content, trigger: t)



            UNUserNotificationCenter.current().add(r, withCompletionHandler: { (error) in

                dump(error)

            })



        }

    }



    @objc func donePressed() {



        let dateFormatter = DateFormatter()

        dateFormatter.dateStyle = .short

        dateFormatter.timeStyle = .short

        dptext.text = dateFormatter.string(from: datePicker.date)

        self.view.endEditing(true)



    }

}