The macOS Push Tester App

The macOS Push Tester App allows you to send push notifications through APNS (Apple Push Notification Service) or FCM (Firebase Cloud Messaging) and receive them on a device or simulator/emulator.

The macOS Push Tester App can also send push notifications to Live Activities on iOS devices (iOS >= 16.1). This feature only works with APNS token.

Android emulators must enable the Google API for Google Play services.

It can also get device tokens from any iPhone on the same wifi network.

Notice: This app was created to be used by the Rakuten SDK team internally. Anyone is free to use it but please be aware that it is unsupported.

How to build/run from source

1. Run pod install from root folder
1. Open pusher.xcworkspace*
1. Build and run

How to build with Fastlane

Install fastlane

1. Using RubyGems sudo gem install fastlane -NV (or simply bundle install)
1. Alternatively using Homebrew brew cask install fastlane

Run fastlane

Run fastlane ci

Make your iOS app discoverable by the macOS Push Tester App

1. Add this class to your iOS app

import Foundation
import MultipeerConnectivity

/// A device token can be generated from APNS or ActivityKit.
public enum DeviceTokenType: String {
    case apns = "APNS"
    case activityKit = "ActivityKit"
}

public final class DeviceAdvertiser: NSObject {
    private var nearbyServiceAdvertiser: MCNearbyServiceAdvertiser?
    private let serviceType: String

    private enum Keys {
        static let deviceToken = "token"
        static let applicationIdentifier = "appID"
        static let deviceTokenType = "type"
    }
    
    public init(serviceType: String) {
        self.serviceType = serviceType
        super.init()
    }

    /// Start advertising peer with device token (token), app identifier (appID) and device token type (type).
    ///
    /// - Parameters:
    ///    - deviceToken: The APNS or ActivityKit device token
    ///    - type: the device token type (APNS or ActivityKit)
    public func setDeviceToken(_ deviceToken: String,
                               type: DeviceTokenType = .apns) {
        if let advertiser = nearbyServiceAdvertiser {
            advertiser.stopAdvertisingPeer()
        }

        let peerID = MCPeerID(displayName: UIDevice.current.name)
        
        nearbyServiceAdvertiser = MCNearbyServiceAdvertiser(
            peer: peerID,
            discoveryInfo: [Keys.deviceToken: deviceToken,
                            Keys.applicationIdentifier: Bundle.main.bundleIdentifier ?? "",
                            Keys.deviceTokenType: type.rawValue],
            serviceType: serviceType
        )
        
        nearbyServiceAdvertiser?.delegate = self
        nearbyServiceAdvertiser?.startAdvertisingPeer()
    }
}

extension DeviceAdvertiser: MCNearbyServiceAdvertiserDelegate {
    public func advertiser(_ advertiser: MCNearbyServiceAdvertiser,
                           didReceiveInvitationFromPeer peerID: MCPeerID,
                           withContext context: Data?,
                           invitationHandler: @escaping (Bool, MCSession?) -> Void) {
        invitationHandler(false, MCSession())
    }
    
    public func advertiser(_ advertiser: MCNearbyServiceAdvertiser, didNotStartAdvertisingPeer error: Error) {
    }
}

1. Instantiate DeviceAdvertiser

let deviceAdvertiser = DeviceAdvertiser(serviceType: "pusher")

1. Set the device token

func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
    deviceAdvertiser.setDeviceToken(deviceToken.hexadecimal)
}

1. Add this Data extension to convert deviceToken to String

import Foundation

extension Data {
    var hexadecimal: String {
        map { String(format: "%02x", $0) }.joined()
    }
}

1. Add the following to your targets info.plist (required for iOS 14 and above)

<key>NSBonjourServices</key>
<array>
	<string>_pusher._tcp</string>
	<string>_pusher._udp</string>
</array>
<key>NSLocalNetworkUsageDescription</key>
<string>To allow Pusher App to discover this device on the network.</string>

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Macos push tester