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Combine push notification utilizing Firebase messaging in swift – iOS swift tutorial – iOSTutorialJunction


Issues required to combine Push notification

Earlier than we soar on to combine push notification utilizing Firebase messaging in iOS swift, you want few issues at your disposal to check iOS push notification. Beneath is the record of issues required to combine and examine push notification integration in iOS.

  • iPhone gadget – Push notification didn’t work on simulator
  • Apple developer account – Apple developer account is required with the intention to run app on iPhone gadget and organising Auth key or certificates on firebase app console.
  • App on Firebase.(You should use your gmail account to create an app on Firebase )

Establishing app

First open up Xcode and create a fundamental mission(if you’re utilizing an present mission then open it up). First step is to activate push notification capabilities for our app. Observe beneath steps to activate push notification functionality in your iOS app.

Steps to activate push functionality
  1. Choose your mission title. See image for reference
  2. Choose your app goal. Choose Signing and capabilities.
  3. Click on on + Functionality.
  4. Seek for Push notification and click on on searched end result displaying Push Notification.

Creating app on Firebase

  • Open https://firebase.google.com , and click on on Go to console or Check in.
  • When you reached your Firebase console. Click on on Add Undertaking.
  • Enter your mission title. Click on Proceed.
  • Analytics is advisable. However it’s your selection. For this tutorial, i made oi disabled.
  • Click on Create Undertaking. After few seconds Firebase mission is created and you’re going to get message “Your new mission is prepared,”. Click on on proceed.
  • Click on on iOS icon to start out process of including Firebase to your iOS app.

Including Firebase to iOS app

Copy bundle identifier from xcode mission(Proven in beneath image), and add it to Firebase app bundle if textbox.

The place to seek out bundle id in xcode mission

You may give nick title to your app on Firebase and may add app retailer id for the app (if added to apple join). Each of those steps are non-compulsory. Subsequent we have to obtain .plist file supplied by Firebase and add that .plist named as “GoogleService-Information.plist” to your mission. Lastly we have to add Firebase libraries to our xcode mission. We are going to going to make use of cocoapods for our xcode mission.

You could find record of firebase pods from this hyperlink https://firebase.google.com/docs/ios/setup?authuser=0

Putting in Firebase messaging pod

For this tutorial, we’re solely eager about Firebase messaging pod. Since we’re solely integrating push notification with Firebase in IOS.

  • Open terminal and kind command
  • cd “path root listing of your mission (the place .xcodeproj file is situated)” Tip:- Merely click on on any file in your xcode mission and click on present in finder
  • pod init
  • open -e podfile
  • As soon as podfile is opened in TextEdit paste beneath line to it, Save file and go t o terminal window
  • pod set up
  • After profitable set up shut your present xcode mission and reopen it with double faucet on file title having extension .xcworkspace

Open AppDelegate.swift and add beneath code

import UIKit
import FirebaseCore
import FirebaseMessaging

@primary
class AppDelegate: UIResponder, UIApplicationDelegate {

    func utility(_ utility: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override level for personalization after utility launch.
        FirebaseApp.configure() 
        return true
    }

Above code will initialize our Firebase object.

Requesting person permission for Push notification

Subsequent step is to request permissions from person for the push notification. Add beneath code to your utility: didFinishLaunchingWithOptions technique.

import UIKit
import FirebaseCore
import FirebaseMessaging

@primary
class AppDelegate: UIResponder, UIApplicationDelegate {

    func utility(_ utility: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override level for personalization after utility launch.
        FirebaseApp.configure()
        
        UNUserNotificationCenter.present().delegate = self
        let authOptions: UNAuthorizationOptions = [.alert, .sound,.badge]
        UNUserNotificationCenter.present().requestAuthorization(choices: authOptions) { success, error in
            if error != nil {
                //we're able to go
            }
        }
        utility.registerForRemoteNotifications()
        
        return true
    }

In above code, we use UserNotificationCentre to request person to permit push notification having permissions for alert, sound and badge.

Conforming to UNUserNotificationCenterDelegate protocol

We have to implement delegates required for Push notification. First we’ll implement delegate that can give us gadget token. If you wish to know fundamental mechanism behind how push notification works in apple ecosystem then please examine beneath hyperlink

https://stackoverflow.com/questions/17262511/how-do-ios-push-notifications-work

Getting gadget token

extension AppDelegate: UNUserNotificationCenterDelegate {
    func utility(_ utility: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Information) {
        Messaging.messaging().apnsToken = deviceToken
    }
  
  	func utility(_ utility: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
        print("Didn't register with push")
    }
}

Delegate named didRegisterForRemoteNotificationsWithDeviceToken, provides us distinctive token for the gadget which needs to obtain apple push notification. We are going to set this token to Firebase messaging apnsToken. You’ll be able to ship this apns token to your server in case your server is sending notifications to you. Second delegate, named didFailToRegisterForRemoteNotificationsWithError will will get referred to as if we fail to get gadget token.

Observe:- Since Firebase by default use technique swizzling, so we have to flip it off if we need to get push as we’re mapping gadget token in IOS didRegisterForRemoteNotificationsWithDeviceToken delegate and never utilizing Firebase token handler. We will disable technique swizzling, by setting a key in information.plist file of our xcode mission. Examine beneath picture.

Turning off Firebase technique swizzling

Including UNUserNotificationCenterDelegate

UNUserNotificationCenterDelegate has two delegates that we have to implement

  • willPresent notification :- This delegate will will get referred to as as soon as we obtain push notification and our app is in foreground.
  • didReceive response:- This delegate will will get referred to as when person clicks on notification.
    func userNotificationCenter(_ middle: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
        print("Will will get referred to as when app is in forground and we need to present banner")

        completionHandler([.alert, .sound, .badge])
    }
    
    func userNotificationCenter(_ middle: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
        print("Will will get referred to as when person faucet on notifictaion")
        completionHandler()
    }
}

Creating Auth key

Open https://developer.apple.com/account/ and choose Certificates, identifiers and profiles choice. On left menu click on on auth key choice. Create it and obtain it to protected place as we want this key file in subsequent step, all steps are self explanatory. As soon as your authkey is generated by apple, copy “Key ID”. Lastly, we required workforce id you could find your Staff ID within the Apple Member Middle underneath the membership tab

Including Auth key to Firebase mission

Lastly we have to add auth key or push certificates to Firebase mission. Go to your Firebase mission, and click on on gear icon on prime left nook. Choose “Undertaking Settings” -> “Cloud Messaging” -> Scroll all the way down to IOS app and click on on “Add” button underneath “APNs Authentication Key” part. Add auth key file created in final part, and key ID with workforce ID in required fields. Click on add.

Check Push notification

Run your app from xcode to actual iPhone gadget. Enable push notification and ship app to background. Now, open up Firebase mission and discover “Cloud Messaging” from left menu. Click on on it. If this your first message you will notice button having textual content “Ship you first message”. Fill within the required kind .Click on Assessment, a pop up will present up in your display screen. Click on Publish. Your gadget will obtain a push notification.

The place to go from right here

On this tutorial, we discovered how you can combine push notification in iOS app utilizing Firebase cloud messaging in swift. We lined all steps from begin to finish the place we acquired a push notification from Firebase. In case you are searching for video tutorial for similar then go to beneath hyperlink
https://youtu.be/Tjg5X30XhMw

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