janodev

let content = UNMutableNotificationContent()
content.title = "Will it rain?"
content.body = "It never rains in (Southern) California!"
content.sound = UNNotificationSound.default()
let url = URL(string: "https://67.media.tumblr.com/ab04c028a5244377a0ab96e73915e584/tumblr_nfn3ztLjxk1tq4of6o1_400.gif")
let attachment = try! UNNotificationAttachment(identifier: "image", url: url!, options: nil)
content.attachments = [attachment]

janodev

    let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 5, repeats: false)
    let request = UNNotificationRequest(identifier: "local_notification", content: content, trigger: trigger)
    UNUserNotificationCenter.current().add(request)

janodev

{
    "aps": {
        "alert": {...}
        "mutable-content": 1
    }
    "my-attachment": "https://foo.bar/baz.jpg",
    "category": "DylanOrDermotCategory"
}

janodev

override func didReceive(_ request: UNNotificationRequest, withContentHandler contentHandler:(UNNotificationContent) -> Void)
{
    content = (request.content.mutableCopy() as? UNMutableNotificationContent)
    content?.categoryIdentifier = "DylanOrDermotCategory"
    // ...
}

janodev

import UserNotifications
 
class ServiceExtension: UNNotificationServiceExtension
{
    struct Attachments {
        static let image = (identifier:"image", jsonElement:"imageURL")
    }
 
    var contentHandler: ((UNNotificationContent) -> Void)?
    var content: UNMutableNotificationContent?

janodev

NSExtension Dictionary
    NSExtensionAttributes                            Dictionary
        UNNotificationExtensionDefaultContent        Number      0.5
        UNNotificationExtensionDefaultContentHidden  Bool        YES
        UNNotificationExtensionCategory              String      event-invite
    NSExtensionMainStoryboard                        String      MainInterface
    NSExtensionPointIdentifier                       String      com.apple.usernotifications.content-extensio

janodev

override func viewDidLoad()
{
    super.viewDidLoad()
    let size = view.bounds.size
    preferrredContentSize = CGSize(width: size.width, height: size.width / 2)
}

janodev

import UIKit
import UserNotifications
import UserNotificationsUI
 
struct Attachments {
    static let image = (identifier:"image", jsonElement:"imageURL")
}
 
class ContentViewController: UIViewController, UNNotificationContentExtension
{

janodev

class NotificationViewController: UIViewController, UINotificationContentExtension
{
    func didReceive(_ response: UNNotificationResponse,
        completionHandler done: (UNNotificationContentExtensionResponseOption) -> Void)
    {
        server.postEventResponse(response.actionIdentifier) 
        {
            if response.actionIdentifier == "accept"
            {
                eventResponse.text = "Going!"

janodev

class NotificationViewController: UIViewController, UINotificationContentExtension
{
    override func canBecomeFirstResponder() -> Bool {
        return true
    }
     
    override var inputAccessoryView: UIView { 
        get { return inputView }
    }