segmentio · delannoyk · Apr 3, 2025
diff --git a/Examples/apps/BasicExample/BasicExample/AppDelegate.swift b/Examples/apps/BasicExample/BasicExample/AppDelegate.swift
@@ -17,7 +17,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         // Override point for customization after application launch.
 
         let configuration = Configuration(writeKey: "WRITE KEY")
-            .trackApplicationLifecycleEvents(true)
+            .setTrackedApplicationLifecycleEvents(.all)
             .flushInterval(10)
             .flushAt(2)
 

diff --git a/Examples/apps/DestinationsExample/DestinationsExample/AppDelegate.swift b/Examples/apps/DestinationsExample/DestinationsExample/AppDelegate.swift
@@ -23,7 +23,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         // Override point for customization after application launch.
 
         let configuration = Configuration(writeKey: "EioRQCqLHUECnoSseEguI8GnxOlZTOyX")
-            .trackApplicationLifecycleEvents(true)
+            .setTrackedApplicationLifecycleEvents(.all)
             .flushInterval(1)
 
         analytics = Analytics(configuration: configuration)

diff --git a/Examples/apps/MacExample/MacExample/AppDelegate.swift b/Examples/apps/MacExample/MacExample/AppDelegate.swift
@@ -18,7 +18,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         // Insert code here to initialize your application
 
         let configuration = Configuration(writeKey: "<WRITE KEY>")
-            .trackApplicationLifecycleEvents(true)
+            .setTrackedApplicationLifecycleEvents(.all)
             .flushInterval(10)
             .flushAt(1)
             .errorHandler { error in

diff --git a/Examples/apps/ObjCExample/ObjCExample/AppDelegate.m b/Examples/apps/ObjCExample/ObjCExample/AppDelegate.m
@@ -21,7 +21,7 @@ @implementation AppDelegate
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     // Override point for customization after application launch.
     SEGConfiguration *config = [[SEGConfiguration alloc] initWithWriteKey:@"<WRITE KEY>"];
-    config.trackApplicationLifecycleEvents = YES;
+    config.trackApplicationLifecycleEvents = SEGTrackedLifecycleEvent.all;
     config.flushAt = 1;
 
     _analytics = [[SEGAnalytics alloc] initWithConfiguration: config];

diff --git a/Examples/apps/SegmentExtensionsExample/ArticleWidget/ArticleWidget.swift b/Examples/apps/SegmentExtensionsExample/ArticleWidget/ArticleWidget.swift
@@ -101,5 +101,5 @@ extension Analytics {
     static var main = Analytics(configuration:
                                     Configuration(writeKey: "ABCD")
                                     .flushAt(3)
-                                    .trackApplicationLifecycleEvents(true))
+                                    .setTrackedApplicationLifecycleEvents(.all))
 }
diff --git a/Examples/apps/SegmentSwiftUIExample/SegmentSwiftUIExample/SegmentSwiftUIExampleApp.swift b/Examples/apps/SegmentSwiftUIExample/SegmentSwiftUIExample/SegmentSwiftUIExampleApp.swift
@@ -21,5 +21,5 @@ extension Analytics {
     static var main = Analytics(configuration:
                                     Configuration(writeKey: "ABCD")
                                     .flushAt(3)
-                                    .trackApplicationLifecycleEvents(true))
+                                    .setTrackedApplicationLifecycleEvents(.all))
 }
diff --git a/Examples/apps/watchOSExample/watchOSExample WatchKit Extension/ExtensionDelegate.swift b/Examples/apps/watchOSExample/watchOSExample WatchKit Extension/ExtensionDelegate.swift
@@ -14,7 +14,7 @@ class ExtensionDelegate: NSObject, WKExtensionDelegate {
     func applicationDidFinishLaunching() {
         // Perform any final initialization of your application.
         let configuration = Configuration(writeKey: "WRITE KEY")
-            .trackApplicationLifecycleEvents(true)
+            .setTrackedApplicationLifecycleEvents(.all)
             .flushInterval(10)
 
         analytics = Analytics(configuration: configuration)

diff --git a/Examples/tasks/MultiInstance.swift b/Examples/tasks/MultiInstance.swift
@@ -38,9 +38,9 @@ import Segment
 extension Analytics {
     static var main = Analytics(configuration: Configuration(writeKey: "1234")
                                     .flushAt(3)
-                                    .trackApplicationLifecycleEvents(true))
-    
+                                    .setTrackedApplicationLifecycleEvents(.all))
+
     static var support = Analytics(configuration: Configuration(writeKey: "5678")
                                     .flushAt(10)
-                                    .trackApplicationLifecycleEvents(false))
+                                    .setTrackedApplicationLifecycleEvents(.none))
 }
diff --git a/Sources/Segment/Configuration.swift b/Sources/Segment/Configuration.swift
@@ -47,11 +47,61 @@ public enum StorageMode {
 
 // MARK: - Internal Configuration
 
+@objc(SEGTrackedLifecycleEvent)
+public final class TrackedLifecycleEvent: NSObject, OptionSet {
+    public let rawValue: Int
+
+    public init(rawValue: Int) {
+        self.rawValue = rawValue
+    }
+
+    public override func isEqual(_ object: Any?) -> Bool {
+        (object as? Self)?.rawValue == rawValue
+    }
+
+    public override var hash: Int {
+        rawValue.hashValue
+    }
+
+    @objc public static let none: TrackedLifecycleEvent = []
+    @objc public static let applicationInstalled = TrackedLifecycleEvent(rawValue: 1 << 0)
+    @objc public static let applicationUpdated = TrackedLifecycleEvent(rawValue: 1 << 1)
+    @objc public static let applicationOpened = TrackedLifecycleEvent(rawValue: 1 << 2)
+    @objc public static let applicationBackgrounded = TrackedLifecycleEvent(rawValue: 1 << 3)
+    @objc public static let applicationForegrounded = TrackedLifecycleEvent(rawValue: 1 << 4)
+    #if os(macOS)
+    @objc public static let applicationUnhidden = TrackedLifecycleEvent(rawValue: 1 << 5)
+    @objc public static let applicationHidden = TrackedLifecycleEvent(rawValue: 1 << 6)
+    @objc public static let applicationTerminated = TrackedLifecycleEvent(rawValue: 1 << 7)
+
+    @objc public static let all: TrackedLifecycleEvent = [
+        .applicationInstalled,
+        .applicationUpdated,
+        .applicationOpened,
+        .applicationBackgrounded,
+        .applicationForegrounded,
+        .applicationUnhidden,
+        .applicationHidden,
+        .applicationTerminated,
+    ]
+    #elseif os(iOS) || os(tvOS) || os(visionOS) || targetEnvironment(macCatalyst)
+    @objc public static let all: TrackedLifecycleEvent = [
+        .applicationInstalled,
+        .applicationUpdated,
+        .applicationOpened,
+        .applicationBackgrounded,
+        .applicationForegrounded,
+    ]
+    #else
+    @objc public static let all = TrackedLifecycleEvent.none
+    #endif
+}
+
 public class Configuration {
     internal struct Values {
         var writeKey: String
         var application: Any? = nil
-        var trackApplicationLifecycleEvents: Bool = true
+        var trackedApplicationLifecycleEvents = TrackedLifecycleEvent.all
         var flushAt: Int = 20
         var flushInterval: TimeInterval = 30
         var defaultSettings: Settings? = nil
@@ -110,8 +160,19 @@ public extension Configuration {
     /// - Parameter enabled: A bool value
     /// - Returns: The current Configuration.
     @discardableResult
+    @available(*, deprecated, message: "Use `setTrackedApplicationLifecycleEvents(_:)` for more granular control")
     func trackApplicationLifecycleEvents(_ enabled: Bool) -> Configuration {
-        values.trackApplicationLifecycleEvents = enabled
+        values.trackedApplicationLifecycleEvents = enabled ? .all : .none
+        return self
+    }
+
+    /// Opt-in/out of tracking lifecycle events.  The default value is `.none`.
+    ///
+    /// - Parameter events: An option set of the events to track.
+    /// - Returns: The current Configuration.
+    @discardableResult
+    func setTrackedApplicationLifecycleEvents(_ events: TrackedLifecycleEvent) -> Configuration {
+        values.trackedApplicationLifecycleEvents = events
         return self
     }
 

diff --git a/Sources/Segment/ObjC/ObjCConfiguration.swift b/Sources/Segment/ObjC/ObjCConfiguration.swift
@@ -29,12 +29,12 @@ public class ObjCConfiguration: NSObject {
 
     /// Opt-in/out of tracking lifecycle events.  The default value is `false`.
     @objc
-    public var trackApplicationLifecycleEvents: Bool {
+    public var trackApplicationLifecycleEvents: TrackedLifecycleEvent {
         get {
-            return configuration.values.trackApplicationLifecycleEvents
+            return configuration.values.trackedApplicationLifecycleEvents
         }
         set(value) {
-            configuration.trackApplicationLifecycleEvents(value)
+            configuration.setTrackedApplicationLifecycleEvents(value)
         }
     }
 

diff --git a/Sources/Segment/Plugins/Platforms/Mac/macOSLifecycleEvents.swift b/Sources/Segment/Plugins/Platforms/Mac/macOSLifecycleEvents.swift
@@ -28,10 +28,6 @@ class macOSLifecycleEvents: PlatformPlugin, macOSLifecycle {
         // Make sure we aren't double calling application:didFinishLaunchingWithOptions
         // by resetting the check at the start
         _didFinishLaunching.set(true)
-
-        if analytics?.configuration.values.trackApplicationLifecycleEvents == false {
-            return
-        }
 
         let previousVersion = UserDefaults.standard.string(forKey: Self.versionKey)
         let previousBuild = UserDefaults.standard.string(forKey: Self.buildKey)
@@ -40,64 +36,63 @@ class macOSLifecycleEvents: PlatformPlugin, macOSLifecycle {
         let currentBuild = Bundle.main.infoDictionary?["CFBundleVersion"] as? String
 
         if previousBuild == nil {
-            analytics?.track(name: "Application Installed", properties: [
-                "version": currentVersion ?? "",
-                "build": currentBuild ?? ""
-            ])
+            if analytics?.configuration.values.trackedApplicationLifecycleEvents.contains(.applicationInstalled) == true {
+                analytics?.track(name: "Application Installed", properties: [
+                    "version": currentVersion ?? "",
+                    "build": currentBuild ?? ""
+                ])
+            }
         } else if currentBuild != previousBuild {
-            analytics?.track(name: "Application Updated", properties: [
-                "previous_version": previousVersion ?? "",
-                "previous_build": previousBuild ?? "",
+            if analytics?.configuration.values.trackedApplicationLifecycleEvents.contains(.applicationUpdated) == true {
+                analytics?.track(name: "Application Updated", properties: [
+                    "previous_version": previousVersion ?? "",
+                    "previous_build": previousBuild ?? "",
+                    "version": currentVersion ?? "",
+                    "build": currentBuild ?? ""
+                ])
+            }
+        }
+
+        if analytics?.configuration.values.trackedApplicationLifecycleEvents.contains(.applicationOpened) == true {
+            analytics?.track(name: "Application Opened", properties: [
+                "from_background": false,
                 "version": currentVersion ?? "",
                 "build": currentBuild ?? ""
             ])
         }
-
-        analytics?.track(name: "Application Opened", properties: [
-            "from_background": false,
-            "version": currentVersion ?? "",
-            "build": currentBuild ?? ""
-        ])
-
+
         UserDefaults.standard.setValue(currentVersion, forKey: Self.versionKey)
         UserDefaults.standard.setValue(currentBuild, forKey: Self.buildKey)
     }
 
     func applicationDidUnhide() {
-        if analytics?.configuration.values.trackApplicationLifecycleEvents == false {
-            return
+        if analytics?.configuration.values.trackedApplicationLifecycleEvents.contains(.applicationUnhidden) == true {
+            let currentVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String
+            let currentBuild = Bundle.main.infoDictionary?["CFBundleVersion"] as? String
+
+            analytics?.track(name: "Application Unhidden", properties: [
+                "from_background": true,
+                "version": currentVersion ?? "",
+                "build": currentBuild ?? ""
+            ])
         }
-
-        let currentVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String
-        let currentBuild = Bundle.main.infoDictionary?["CFBundleVersion"] as? String
-
-        analytics?.track(name: "Application Unhidden", properties: [
-            "from_background": true,
-            "version": currentVersion ?? "",
-            "build": currentBuild ?? ""
-        ])
     }
 
     func applicationDidHide() {
-        if analytics?.configuration.values.trackApplicationLifecycleEvents == false {
-            return
+        if analytics?.configuration.values.trackedApplicationLifecycleEvents.contains(.applicationHidden) == true {
+            analytics?.track(name: "Application Hidden")
         }
-
-        analytics?.track(name: "Application Hidden")
     }
     func applicationDidResignActive() {
-        if analytics?.configuration.values.trackApplicationLifecycleEvents == false {
-            return
+        if analytics?.configuration.values.trackedApplicationLifecycleEvents.contains(.applicationBackgrounded) == true {
+            analytics?.track(name: "Application Backgrounded")
         }
-
-        analytics?.track(name: "Application Backgrounded")
     }
 
     func applicationDidBecomeActive() {
-        if analytics?.configuration.values.trackApplicationLifecycleEvents == false {
+        if analytics?.configuration.values.trackedApplicationLifecycleEvents.contains(.applicationForegrounded) == false {
             return
         }
-
         analytics?.track(name: "Application Foregrounded")
 
         // Lets check if we skipped application:didFinishLaunchingWithOptions,
@@ -109,11 +104,9 @@ class macOSLifecycleEvents: PlatformPlugin, macOSLifecycle {
     }
 
     func applicationWillTerminate() {
-        if analytics?.configuration.values.trackApplicationLifecycleEvents == false {
-            return
+        if analytics?.configuration.values.trackedApplicationLifecycleEvents.contains(.applicationTerminated) == true {
+            analytics?.track(name: "Application Terminated")
         }
-
-        analytics?.track(name: "Application Terminated")
     }
 }