This is the official PubNub Swift SDK repository.
PubNub takes care of the infrastructure and APIs needed for the realtime communication layer of your application. Work on your app's logic and let PubNub handle sending and receiving data across the world in less than 100ms.
- Requirements
- Get keys
- Set up your project
- Configure PubNub
- Add event listeners
- Publish and subscribe
- Documentation
- Support
- License
- iOS 9.0+ / macOS 10.11+ / Mac Catalyst 13.0+ / tvOS 9.0+ / watchOS 2.0+
- Xcode 11+
- Swift 5+
The PubNub Swift SDK doesn't contain any external dependencies.
You will need the publish and subscribe keys to authenticate your app. Get your keys from the Admin Portal.
You have several options to set up your project. We provide instructions here for Swift Package Manager, CocoaPods, and Carthage.
- Create or open your project inside of Xcode
- Navigate to File > Swift Packages > Add Package Dependency
- Search for PubNub and select the swift package owned by pubnub, and hit the Next button
- Use the
Up to Next Major Versionrule spanning from4.0.0<5.0.0, and hit the Next button
For more information see Apple's guide on Adding Package Dependencies to Your App
# Podfile
use_frameworks!
target 'YOUR_TARGET_NAME' do
pod 'PubNubSwift', '~> 4.0'
endNote: Replace
YOUR_TARGET_NAMEwith your target's name.
In the directory containing your Podfile. execute the following:
pod installOfficially supported: Carthage 0.33 and up.
Add the following to Cartfile:
github "pubnub/swift" ~> 4.0Then in the directory containing your Cartfile, execute the following:
carthage update-
Import the module named
PubNubinside your AppDelegate:import UIKit import PubNub // <- Here is our PubNub module import.
-
Create and configure a PubNub object:
var config = PubNubConfiguration( publishKey: "myPublishKey", subscribeKey: "mySubscribeKey", uuid: "myUniqueUUID" ) let pubnub = PubNub(configuration: config)
// Create a new listener instance
let listener = SubscriptionListener()
// Add listener event callbacks
listener.didReceiveSubscription = { event in
switch event {
case let .messageReceived(message):
print("Message Received: \(message) Publisher: \(message.publisher ?? "defaultUUID")")
case let .connectionStatusChanged(status):
print("Status Received: \(status)")
case let .presenceChanged(presence):
print("Presence Received: \(presence)")
case let .subscribeError(error):
print("Subscription Error \(error)")
default:
break
}
}
// Start receiving subscription events
pubnub.add(listener)NOTE: You can check the UUID of the publisher of a particular message by checking the
message.publisherproperty in the subscription listener. You must also provide a default value forpublisher, as theUUIDparameter is optional.
pubnub.publish(channel: "my_channel", message: "Test Message!") { result in
switch result {
case let .success(timetoken):
print("The message was successfully published at: \(timetoken)")
case let .failure(error):
print("Handle response error: \(error.localizedDescription)")
}
}
pubnub.subscribe(to: ["my_channel"])- Build your first realtime Swift app with PubNub
- API reference for Swift
- PubNub Swift SDK 3.x Migration Guide
If you need help or have a general question, contact [email protected].
The PubNub Swift SDK is released under the PubNub Software Development Kit License.
See LICENSE for details.
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