drulabs

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drulabs

.monaco-shell {
  font-family: "Operator Mono", "Inconsolata", monospace;
}

/* This makes the dirty tab circle yellow */
.vs-dark
.monaco-workbench
> .part.editor
> .content
> .one-editor-silo

drulabs

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

drulabs

curl -i -H 'Content-type: application/json' -H 'Authorization: key=<your_server_key>' -XPOST https://fcm.googleapis.com/fcm/send -d '{
  "registration_ids":["registration_ids", "of the", "target", "devices as array"],
  "notification": {
      "title":"Title of your notification",
      "body":"content of your notification"
  },
  "data": {
    "key1" : "value1",
    "key2" : "value2",
    "key3" : 23.56565,

drulabs

// HTTP URL : https://fcm.googleapis.com/fcm/send
{
  "registration_ids":["XXXXXXXXXXXX:APA91XXXX7ziO-XXXXXXXXXXXXXXXXXXXXXX3B7OzLmNoAfHmZ3ju1M8gk7d-fYwXXXXXXdOHiwNhP6ThXNizSAu-Q0RkywWR8YCEiXf6a4Y803HY1t-XXXXXXXXXXX"],
  "notification": {
      "title":"Venue change for Avengers secret meet",
      "body":"Tap here to open location on your phone"
  },
  "data": {
    "latitude" : "39.204720",
    "longitude" : "-96.564909",

drulabs

func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
    print("Dhruw: Dumping notification payload")
    if application.applicationState != .active {
      let value1: String? = userInfo["key1"] as? String
      let value2: String? = userInfo["key2"] as? String
      let value3: Bool? = userInfo["key3"] as? Bool
      // do something with the received data
    }
  }

drulabs

// displaying only relevant content not all the functions

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

  // other stuff of didFinishLaunchingWithOptions inside app delegate

  if #available(iOS 10.0, *) {
    UNUserNotificationCenter.current().delegate = self
    let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
    UNUserNotificationCenter.current().requestAuthorization(