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iOS

In order to enable push notifications using UrbanAirship, the SDK provided by UrbanAirship is to be integrated within the Mobile app that requires it. The SDK can be integrated using various methods e.g. Cocoapods, classic etc. The exact steps to setup the SDK are specified in detail on the website http://docs.urbanairship.com/platform/ios.html

The UrbanAirship SDK supports the new rich notifications provided by iOS 10+, as well as provides support for previous versions. Depending on the target framework, the relevant instructions can be followed on the site linked above.

Before the notifications can be retrieved on the mobile device, its important to generate the necessary certificates using the instructions provided at http://docs.urbanairship.com/reference/push-providers/apns.html#ios-apns-setup

Once the notifications are correctly setup and the UrbanAirship services are started, we can retrieve the DeviceToken (either DeviceToken or ChannelID) which would eventually be used to target push notifications for individual devices. Once this DeviceIToken is retrieved successfully, it needs to be registered with the RubiqAPI so push notifications can be sent out from the Rubiq Platform via the UrbanAirship SDK.

The exact location for registering the DeviceToken depends on the flow of the app. This could for instance be soon after a user has successfully logged in to the app using Rubiq API endpoint 2001: Authenticate. On successful authentication, dialogportal's master key would be returned as a part of the response. This Master key along with the DeviceID could then be used to register the device using Rubiq API endpoint 4001: Register mobile device.

Please note that that in order to push notifications using the Rubiq Platform, Rubiq needs to know the UrbanAirship MasterKey and AppKey, which can be accessed from the UrbanAirship App dashboard.


A sample AppDelegate file is as follows.

AppDelegate.swift
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate, UARegistrationDelegate, UAPushNotificationDelegate {

    var window: UIWindow?
    
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]? = nil) -> Bool {
        
        let config = UAConfig.default()
        UAirship.takeOff(config)
        
        UAirship.push().notificationOptions = [.alert, .badge, .sound]
        UAirship.push().userPushNotificationsEnabled = true
        
        UAirship.push().registrationDelegate = self
        UAirship.push().pushNotificationDelegate = self
        
        return true
    }
    
    func registrationSucceeded(forChannelID channelID: String, deviceToken: String) {
        print("Registration succeeded. ChannelID: \(channelID), DeviceToken: \(deviceToken)")
    }

    func receivedForegroundNotification(_ notificationContent: UANotificationContent, completionHandler: @escaping () -> Void) {
        print("Received foreground notification. DeviceToken: \(UAirship.push().deviceToken)")
        
    }
    
    @available(iOS 10.0, *)
    func presentationOptions(for notification: UNNotification) -> UNNotificationPresentationOptions {
        print("Presentation options")
        return [.alert, .sound]
    }
    
    func receivedBackgroundNotification(_ notificationContent: UANotificationContent, completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
        print("Received background notification. DeviceToken: \(UAirship.push().deviceToken)")
    }
}

A sample code for generating the encrypted token using Swift is provided below. The prerequisite is that the raw token has already been generated as defined in Authenticating requests. The library used for generating the encrypted token is CryptoSwift https://github.com/krzyzanowskim/CryptoSwift.

Generating token
func createEncryptedToken(_ rawToken: String, _ apiSecret: String) -> String {
	let appSecretBytes = apiSecret.utf8.map({$0})
    let tokenBytes = rawToken.utf8.map({$0})
    let encryptedBytes = try! HMAC(key: appSecretBytes, variant: .sha256).authenticate(tokenBytes)
    return encryptedBytes.toBase64()!
}




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