Example of iOS VoIP Notification / iOS VoIP Notification实例

import UIKit
import PushKit

  @UIApplicationMain
  class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    let voipRegistry = PKPushRegistry(queue: dispatch_get_main_queue())


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
      // Override point for customization after application launch.
      //Enable all notification type. VoIP Notifications don't present a UI but we will use this to show local nofications later
      let notificationSettings = UIUserNotificationSettings(forTypes: [UIUserNotificationType.Alert, UIUserNotificationType.Badge, UIUserNotificationType.Sound] , categories: nil)

      //register the notification settings
      application.registerUserNotificationSettings(notificationSettings)

      //output what state the app is in. This will be used to see when the app is started in the background
      NSLog("app launched with state \(application.applicationState.stringValue)")
      return true
    }

    func applicationWillTerminate(application: UIApplication) {
      // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
      //output to see when we terminate the app
      NSLog("app terminated")
    }

  }

extension AppDelegate {

  func application(application: UIApplication, didRegisterUserNotificationSettings notificationSettings: UIUserNotificationSettings) {

      //register for voip notifications
      NSLog("didRegisterUserNotificationSettings called")
      voipRegistry.desiredPushTypes = Set([PKPushTypeVoIP])
      voipRegistry.delegate = self;
  }
}

extension AppDelegate: PKPushRegistryDelegate {


  func pushRegistry(registry: PKPushRegistry!, didUpdatePushCredentials credentials: PKPushCredentials!, forType type: String!) {
      NSLog("didUpdatePushCredentials called")

      //print out the VoIP token. We will use this to test the nofications.
      NSLog("voip token: \(credentials.token)")
  }

  func pushRegistry(registry: PKPushRegistry!, didReceiveIncomingPushWithPayload payload: PKPushPayload!, forType type: String!) {

      NSLog("didReceiveIncomingPushWithPayload called")


      let payloadDict = payload.dictionaryPayload["aps"] as? Dictionary<String, String>
      let message = payloadDict?["alert"]

      //present a local notifcation to visually see when we are recieving a VoIP Notification
      if UIApplication.sharedApplication().applicationState == UIApplicationState.Background {
          NSLog("incoming notificaiton from background")

          let localNotification = UILocalNotification();
          localNotification.alertBody = message
          localNotification.applicationIconBadgeNumber = 1;
          localNotification.soundName = UILocalNotificationDefaultSoundName;

          UIApplication.sharedApplication().presentLocalNotificationNow(localNotification);
      }

      else {
          NSLog("incoming notificaiton from frontend")


          dispatch_async(dispatch_get_main_queue(), { () -> Void in


              let alertController = UIAlertController(title: "Title", message: "This is UIAlertController default", preferredStyle: UIAlertControllerStyle.Alert)
              let cancelAction = UIAlertAction(title: "Cancel", style: UIAlertActionStyle.Cancel, handler: nil)
              let okAction = UIAlertAction(title: "OK", style: UIAlertActionStyle.Default, handler: nil)
              alertController.addAction(cancelAction)
              alertController.addAction(okAction)

              UIApplication.sharedApplication().keyWindow?.rootViewController?.presentViewController(alertController, animated: true, completion: nil)

          })
      }

      NSLog("incoming voip notfication: \(payload.dictionaryPayload)")
  }

  func pushRegistry(registry: PKPushRegistry!, didInvalidatePushTokenForType type: String!) {
      NSLog("didInvalidatePushTokenForType called")
      NSLog("token invalidated")
  }
}

extension UIApplicationState {
    //help to output a string instead of an enum number
    var stringValue : String {
        get {
            switch(self) {
            case .Active:
                return "Active"
            case .Inactive:
                return "Inactive"
            case .Background:
                return "Background"
            }
        }
    }
  }

  <?php

  // Put your device token here (without spaces):
  $deviceToken = 'b949d3784df30c2cf5c16aa24b494cb82c78acda986113b39e1b89b0a1f0d4bc';

  // Put your private key's passphrase here:
  $passphrase = 'password';

  // Put your alert message here:
  $message = 'My first push notification!';

  ////////////////////////////////////////////////////////////////////////////////

  $ctx = stream_context_create();
  stream_context_set_option($ctx, 'ssl', 'local_cert', 'ck.pem');
  stream_context_set_option($ctx, 'ssl', 'passphrase', $passphrase);

  // Open a connection to the APNS server
  $fp = stream_socket_client(
  	'ssl://gateway.push.apple.com:2195', $err,
  	$errstr, 60, STREAM_CLIENT_CONNECT|STREAM_CLIENT_PERSISTENT, $ctx);

  if (!$fp)
  	exit("Failed to connect: $err $errstr" . PHP_EOL);

  echo 'Connected to APNS' . PHP_EOL;

  // Create the payload body
  $body['aps'] = array(
  	'alert' => $message,
  	'sound' => 'default'
  	);

  // Encode the payload as JSON
  $payload = json_encode($body);

  // Build the binary notification
  $msg = chr(0) . pack('n', 32) . pack('H*', $deviceToken) . pack('n', strlen($payload)) . $payload;

  // Send it to the server
  $result = fwrite($fp, $msg, strlen($msg));

  if (!$result)
  	echo 'Message not delivered' . PHP_EOL;
  else
  	echo 'Message successfully delivered' . PHP_EOL;

  // Close the connection to the server
  fclose($fp);

  ?>