Clickstream Swift SDK can help you easily collect and report in-app events from iOS devices to AWS. This SDK is part of an AWS solution - Clickstream Analytics on AWS, which provisions data pipeline to ingest and process event data into AWS services such as S3, Redshift.
The SDK relies on the Amplify for Swift Core Library and is developed according to the Amplify Swift SDK plug-in specification. In addition, we've added features that automatically collect common user events and attributes (e.g., screen view, first open) to simplify data collection for users.
Visit our Documentation site and to learn more about Clickstream Swift SDK.
The Clickstream SDK supports iOS 13+.
Clickstream requires Xcode 13.4 or higher to build.
We use Swift Package Manager to distribute Clickstream Swift SDK, open your project in Xcode and select File > Add Pckages.
Enter the Clickstream Library for Swift GitHub repo URL (https://github.com/awslabs/clickstream-swift) into the search bar, you'll see the Clickstream Library for Swift repository rules for which version of Clickstream you want Swift Package Manager to install. Choose Up to Next Major Version, then click Add Package, make the Clickstream product checked as default, and click Add Package again.
Downlod your amplifyconfiguration.json file from your Clickstream solution control plane, and paste it to your project root folder:
the json file will be as follows:
{
"analytics": {
"plugins": {
"awsClickstreamPlugin ": {
"appId": "appId",
"endpoint": "https://example.com/collect",
"isCompressEvents": true,
"autoFlushEventsInterval": 10000,
"isTrackAppExceptionEvents": false
}
}
}
}Your appId and endpoint are already set up in it, here's an explanation of each property:
- appId: the app id of your project in control plane.
- endpoint: the endpoint url you will upload the event to AWS server.
- isCompressEvents: whether to compress event content when uploading events, default is
true - autoFlushEventsInterval: event sending interval, the default is
10s - isTrackAppExceptionEvents: whether auto track exception event in app, default is
false
Once you have configured the parameters, you need to initialize it in your app delegate's application(_:didFinishLaunchingWithOptions:) lifecycle method:
import Clickstream
...
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
do {
try ClickstreamAnalytics.initSDK()
} catch {
assertionFailure("Fail to initialize ClickstreamAnalytics: \(error)")
}
return true
}The following example code shows how to add traffic source fields as global attributes when initializing the SDK.
import Clickstream
...
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
do {
let configuration = ClickstreamConfiguration()
.withAppId("your appId")
.withEndpoint("https://example.com/collect")
.withLogEvents(true)
.withInitialGlobalAttributes([
ClickstreamAnalytics.Attr.TRAFFIC_SOURCE_SOURCE: "amazon",
ClickstreamAnalytics.Attr.TRAFFIC_SOURCE_MEDIUM: "cpc",
ClickstreamAnalytics.Attr.TRAFFIC_SOURCE_CAMPAIGN: "summer_promotion",
ClickstreamAnalytics.Attr.TRAFFIC_SOURCE_CAMPAIGN_ID: "summer_promotion_01",
ClickstreamAnalytics.Attr.TRAFFIC_SOURCE_TERM: "running_shoes",
ClickstreamAnalytics.Attr.TRAFFIC_SOURCE_CONTENT: "banner_ad_1",
ClickstreamAnalytics.Attr.TRAFFIC_SOURCE_CLID: "amazon_ad_123",
ClickstreamAnalytics.Attr.TRAFFIC_SOURCE_CLID_PLATFORM: "amazon_ads",
ClickstreamAnalytics.Attr.APP_INSTALL_CHANNEL: "App Store"
])
try ClickstreamAnalytics.initSDK(configuration)
} catch {
assertionFailure("Fail to initialize ClickstreamAnalytics: \(error)")
}
return true
}By default, we will use the configurations in amplifyconfiguration.json file. If you add a custom configuration, the added configuration items will override the default values.
You can also add all the configuration parameters you need in the initSDK method without using the amplifyconfiguration.json file.
If your project is developed with SwiftUI, you need to create an application delegate and attach it to your App through UIApplicationDelegateAdaptor.
@main
struct YourApp: App {
@UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
var body: some Scene {
WindowGroup {
YourView()
}
}
}Clickstream Swift SDK depends on method swizzling to automatically record screen views. SwiftUI apps must record screen view events manually, and disable automatic tracking of screen view events by setting configuration.withTrackScreenViewEvents(false) when the SDK is initialized.
import Clickstream
// configure the sdk after initialize.
do {
let configuration = try ClickstreamAnalytics.getClickstreamConfiguration()
configuration.withAppId("your appId")
.withEndpoint("https://example.com/collect")
.withLogEvents(true)
.withCompressEvents(true)
.withSessionTimeoutDuration(1800000)
.withTrackAppExceptionEvents(true)
.withTrackScreenViewEvents(true)
.withTrackUserEngagementEvents(true)
} catch {
print("Failed to config ClickstreamAnalytics: \(error)")
}note: this configuation will override the default configuation in
amplifyconfiguration.jsonfile
Add the following code where you need to complete the event report.
import Clickstream
let attributes: ClickstreamAttribute = [
"Channel": "apple",
"Successful": true,
"ProcessDuration": 12.33,
"UserAge": 20,
]
ClickstreamAnalytics.recordEvent("testEvent", attributes)
// for record an event with event name
ClickstreamAnalytics.recordEvent("button_click")You can add the following code to log an event with an item.
Note: Only pipelines from version 1.1+ can handle items with custom attribute.
import Clickstream
let attributes: ClickstreamAttribute = [
ClickstreamAnalytics.Item.ITEM_ID: "123",
ClickstreamAnalytics.Item.CURRENCY: "USD",
"event_category": "recommended"
]
let item_book: ClickstreamAttribute = [
ClickstreamAnalytics.Item.ITEM_ID: 123,
ClickstreamAnalytics.Item.ITEM_NAME: "Nature",
ClickstreamAnalytics.Item.ITEM_CATEGORY: "book",
ClickstreamAnalytics.Item.PRICE: 99.9,
"book_publisher": "Nature Research"
]
ClickstreamAnalytics.recordEvent("view_item", attributes, [item_book])By default, SDK will automatically track the preset _screen_view event when ViewController triggers viewDidAppear.
You can also manually record screen view events whether or not automatic screen view tracking is enabled, add the following code to record a screen view event with two attributes.
SCREEN_NAMERequired. Your screen's name.SCREEN_UNIQUE_IDOptional. Set the hashValue of your ViewController or UIView. If you do not set, SDK will set a default value based on the current ViewController's hashValue.
import Clickstream
ClickstreamAnalytics.recordEvent(ClickstreamAnalytics.EventName.SCREEN_VIEW, [
ClickstreamAnalytics.Attr.SCREEN_NAME: "HomeView",
ClickstreamAnalytics.Attr.SCREEN_UNIQUE_ID: homeView.hashValue
])import Clickstream
let globalAttribute: ClickstreamAttribute = [
ClickstreamAnalytics.Attr.APP_INSTALL_CHANNEL: "apple",
"class": 6,
"level": 5.1,
"isOpenNotification": true,
]
ClickstreamAnalytics.addGlobalAttributes(globalAttribute)
// for delete an global attribute
ClickstreamAnalytics.deleteGlobalAttributes("level")import Clickstream
// when user login usccess.
ClickstreamAnalytics.setUserId("userId")
// when user logout
ClickstreamAnalytics.setUserId(nil)When we log into another user, we will clear the before user's user attributes, after setUserId() you need to add new user's attribute.
import Clickstream
let userAttributes : ClickstreamAttribute=[
"_user_age": 21,
"_user_name": "carl"
]
ClickstreamAnalytics.addUserAttributes(userAttributes)Current login user‘s attributes will be cached in disk, so the next time app launch you don't need to set all user's attribute again, of course you can update the current user's attribute when it changes.
import Clickstream
// log the event in debug mode.
do {
var configuration = try ClickstreamAnalytics.getClickstreamConfiguration()
configuration.isLogEvents = true
} catch {
print("Failed to config ClickstreamAnalytics: \(error)")
}After config configuration.isLogEvents = true and when you record an event, you can see the event json at your Xcode log pannel by filter EventRecorder.
import Clickstream
// for send event immediately.
ClickstreamAnalytics.flushEvents()You can disable the SDK in the scenario you need. After disabling the SDK, the SDK will not handle the logging and sending of any events. Of course you can enable the SDK when you need to continue logging events.
import Clickstream
// disable SDK
ClickstreamAnalytics.disable()
// enable SDK
ClickstreamAnalytics.enable()Install swiftformat plugin in your Xcode, and config shortcut for code format.
Install swiftlint, and execute the below command at the project root folder:
swiftlintOpen an termial window, at the root project folder to execute:
swift buildswift testSee CONTRIBUTING for more information.
This library is licensed under Apache 2.0 License.
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