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- /*
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- * All rights reserved.
- *
- * This source code is licensed under the license found in the
- * LICENSE file in the root directory of this source tree.
- */
- #import <Foundation/Foundation.h>
- #if !TARGET_OS_TV
- #import <WebKit/WebKit.h>
- #endif
- #import <FBSDKCoreKit/FBSDKAppEventName.h>
- #import <FBSDKCoreKit/FBSDKAppEventParameterName.h>
- #import <FBSDKCoreKit/FBSDKAppEventsConfiguring.h>
- #import <FBSDKCoreKit/FBSDKAppEventsFlushBehavior.h>
- #import <FBSDKCoreKit/FBSDKAppEventUserDataType.h>
- #import <FBSDKCoreKit/FBSDKApplicationActivating.h>
- #import <FBSDKCoreKit/FBSDKApplicationLifecycleObserving.h>
- #import <FBSDKCoreKit/FBSDKApplicationStateSetting.h>
- #import <FBSDKCoreKit/FBSDKEventLogging.h>
- #import <FBSDKCoreKit/FBSDKGraphRequest.h>
- #import <FBSDKCoreKit/FBSDKGraphRequestConnection.h>
- #import <FBSDKCoreKit/FBSDKProductAvailability.h>
- #import <FBSDKCoreKit/FBSDKProductCondition.h>
- #import <FBSDKCoreKit/FBSDKSourceApplicationTracking.h>
- #import <FBSDKCoreKit/FBSDKUserIDProviding.h>
- NS_ASSUME_NONNULL_BEGIN
- @class FBSDKAccessToken;
- /// Optional plist key ("FacebookLoggingOverrideAppID") for setting `loggingOverrideAppID`
- FOUNDATION_EXPORT NSString *const FBSDKAppEventsOverrideAppIDBundleKey
- NS_SWIFT_NAME(AppEventsOverrideAppIDBundleKey);
- /**
- Client-side event logging for specialized application analytics available through Facebook App Insights
- and for use with Facebook Ads conversion tracking and optimization.
- The `FBSDKAppEvents` static class has a few related roles:
- + Logging predefined and application-defined events to Facebook App Insights with a
- numeric value to sum across a large number of events, and an optional set of key/value
- parameters that define "segments" for this event (e.g., 'purchaserStatus' : 'frequent', or
- 'gamerLevel' : 'intermediate')
- + Logging events to later be used for ads optimization around lifetime value.
- + Methods that control the way in which events are flushed out to the Facebook servers.
- Here are some important characteristics of the logging mechanism provided by `FBSDKAppEvents`:
- + Events are not sent immediately when logged. They're cached and flushed out to the Facebook servers
- in a number of situations:
- - when an event count threshold is passed (currently 100 logged events).
- - when a time threshold is passed (currently 15 seconds).
- - when an app has gone to background and is then brought back to the foreground.
- + Events will be accumulated when the app is in a disconnected state, and sent when the connection is
- restored and one of the above 'flush' conditions are met.
- + The `FBSDKAppEvents` class is thread-safe in that events may be logged from any of the app's threads.
- + The developer can set the `flushBehavior` on `FBSDKAppEvents` to force the flushing of events to only
- occur on an explicit call to the `flush` method.
- + The developer can turn on console debug output for event logging and flushing to the server by using
- the `FBSDKLoggingBehaviorAppEvents` value in `[FBSettings setLoggingBehavior:]`.
- Some things to note when logging events:
- + There is a limit on the number of unique event names an app can use, on the order of 1000.
- + There is a limit to the number of unique parameter names in the provided parameters that can
- be used per event, on the order of 25. This is not just for an individual call, but for all
- invocations for that eventName.
- + Event names and parameter names (the keys in the NSDictionary) must be between 2 and 40 characters, and
- must consist of alphanumeric characters, _, -, or spaces.
- + The length of each parameter value can be no more than on the order of 100 characters.
- */
- NS_SWIFT_NAME(AppEvents)
- @interface FBSDKAppEvents : NSObject <
- FBSDKEventLogging,
- FBSDKAppEventsConfiguring,
- FBSDKApplicationActivating,
- FBSDKApplicationLifecycleObserving,
- FBSDKApplicationStateSetting,
- FBSDKSourceApplicationTracking,
- FBSDKUserIDProviding
- >
- - (instancetype)init NS_UNAVAILABLE;
- + (instancetype)new NS_UNAVAILABLE;
- /// The shared instance of AppEvents.
- @property (class, nonatomic, readonly, strong) FBSDKAppEvents *shared;
- /// Control over event batching/flushing
- /// The current event flushing behavior specifying when events are sent back to Facebook servers.
- @property (nonatomic) FBSDKAppEventsFlushBehavior flushBehavior;
- /**
- Set the 'override' App ID for App Event logging.
- In some cases, apps want to use one Facebook App ID for login and social presence and another
- for App Event logging. (An example is if multiple apps from the same company share an app ID for login, but
- want distinct logging.) By default, this value is `nil`, and defers to the `FBSDKAppEventsOverrideAppIDBundleKey`
- plist value. If that's not set, it defaults to `Settings.shared.appID`.
- This should be set before any other calls are made to `AppEvents`. Thus, you should set it in your application
- delegate's `application(_:didFinishLaunchingWithOptions:)` method.
- */
- @property (nullable, nonatomic, copy) NSString *loggingOverrideAppID;
- /**
- The custom user ID to associate with all app events.
- The userID is persisted until it is cleared by passing `nil`.
- */
- @property (nullable, nonatomic, copy) NSString *userID;
- /// Returns generated anonymous id that persisted with current install of the app
- @property (nonatomic, readonly) NSString *anonymousID;
- /*
- * Basic event logging
- */
- /**
- Log an event with just an event name.
- @param eventName The name of the event to record. Limitations on number of events and name length
- are given in the `AppEvents` documentation.
- */
- - (void)logEvent:(FBSDKAppEventName)eventName;
- /**
- Log an event with an event name and a numeric value to be aggregated with other events of this name.
- @param eventName The name of the event to record. Limitations on number of events and name length
- are given in the `AppEvents` documentation. Common event names are provided in `AppEvents.Name` constants.
- @param valueToSum Amount to be aggregated into all events of this event name, and App Insights will report
- the cumulative and average value of this amount.
- */
- - (void)logEvent:(FBSDKAppEventName)eventName
- valueToSum:(double)valueToSum;
- /**
- Log an event with an event name and a set of key/value pairs in the parameters dictionary.
- Parameter limitations are described above.
- @param eventName The name of the event to record. Limitations on number of events and name construction
- are given in the `AppEvents` documentation. Common event names are provided in `AppEvents.Name` constants.
- @param parameters Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
- be `NSString`s, and the values are expected to be `NSString` or `NSNumber`. Limitations on the number of
- parameters and name construction are given in the `AppEvents` documentation. Commonly used parameter names
- are provided in `AppEvents.ParameterName` constants.
- */
- - (void)logEvent:(FBSDKAppEventName)eventName
- parameters:(nullable NSDictionary<FBSDKAppEventParameterName, id> *)parameters;
- /**
- Log an event with an event name, a numeric value to be aggregated with other events of this name,
- and a set of key/value pairs in the parameters dictionary.
- @param eventName The name of the event to record. Limitations on number of events and name construction
- are given in the `AppEvents` documentation. Common event names are provided in `AppEvents.Name` constants.
- @param valueToSum Amount to be aggregated into all events of this event name, and App Insights will report
- the cumulative and average value of this amount.
- @param parameters Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
- be `NSString`s, and the values are expected to be `NSString` or `NSNumber`. Limitations on the number of
- parameters and name construction are given in the `AppEvents` documentation. Commonly used parameter names
- are provided in `AppEvents.ParameterName` constants.
- */
- - (void)logEvent:(FBSDKAppEventName)eventName
- valueToSum:(double)valueToSum
- parameters:(nullable NSDictionary<FBSDKAppEventParameterName, id> *)parameters;
- /**
- Log an event with an event name, a numeric value to be aggregated with other events of this name,
- and a set of key/value pairs in the parameters dictionary.
- @param eventName The name of the event to record. Limitations on number of events and name construction
- are given in the `AppEvents` documentation. Common event names are provided in `AppEvents.Name` constants.
- @param valueToSum Amount to be aggregated into all events of this eventName, and App Insights will report
- the cumulative and average value of this amount. Note that this is an `NSNumber`, and a value of `nil` denotes
- that this event doesn't have a value associated with it for summation.
- @param parameters Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
- be `NSString`s, and the values are expected to be `NSString` or `NSNumber`. Limitations on the number of
- parameters and name construction are given in the `AppEvents` documentation. Commonly used parameter names
- are provided in `AppEvents.ParameterName` constants.
- @param accessToken The optional access token to log the event as.
- */
- - (void)logEvent:(FBSDKAppEventName)eventName
- valueToSum:(nullable NSNumber *)valueToSum
- parameters:(nullable NSDictionary<FBSDKAppEventParameterName, id> *)parameters
- accessToken:(nullable FBSDKAccessToken *)accessToken;
- /*
- * Purchase logging
- */
- /**
- Log a purchase of the specified amount, in the specified currency.
- @param purchaseAmount Purchase amount to be logged, as expressed in the specified currency. This value
- will be rounded to the thousandths place (e.g., 12.34567 becomes 12.346).
- @param currency Currency string (e.g., "USD", "EUR", "GBP"); see ISO-4217 for
- specific values. One reference for these is <http://en.wikipedia.org/wiki/ISO_4217>.
- This event immediately triggers a flush of the `AppEvents` event queue, unless the `flushBehavior` is set
- to `FBSDKAppEventsFlushBehaviorExplicitOnly`.
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (void)logPurchase:(double)purchaseAmount currency:(NSString *)currency
- NS_SWIFT_NAME(logPurchase(amount:currency:));
- // UNCRUSTIFY_FORMAT_ON
- /**
- Log a purchase of the specified amount, in the specified currency, also providing a set of
- additional characteristics describing the purchase.
- @param purchaseAmount Purchase amount to be logged, as expressed in the specified currency.This value
- will be rounded to the thousandths place (e.g., 12.34567 becomes 12.346).
- @param currency Currency string (e.g., "USD", "EUR", "GBP"); see ISO-4217 for
- specific values. One reference for these is <http://en.wikipedia.org/wiki/ISO_4217>.
- @param parameters Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
- be `NSString`s, and the values are expected to be `NSString` or `NSNumber`. Limitations on the number of
- parameters and name construction are given in the `AppEvents` documentation. Commonly used parameter names
- are provided in `AppEvents.ParameterName` constants.
- This event immediately triggers a flush of the `AppEvents` event queue, unless the `flushBehavior` is set
- to `FBSDKAppEventsFlushBehaviorExplicitOnly`.
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (void)logPurchase:(double)purchaseAmount
- currency:(NSString *)currency
- parameters:(nullable NSDictionary<FBSDKAppEventParameterName, id> *)parameters
- NS_SWIFT_NAME(logPurchase(amount:currency:parameters:));
- // UNCRUSTIFY_FORMAT_ON
- /**
- Log a purchase of the specified amount, in the specified currency, also providing a set of
- additional characteristics describing the purchase.
- @param purchaseAmount Purchase amount to be logged, as expressed in the specified currency.This value
- will be rounded to the thousandths place (e.g., 12.34567 becomes 12.346).
- @param currency Currency string (e.g., "USD", "EUR", "GBP"); see ISO-4217 for
- specific values. One reference for these is <http://en.wikipedia.org/wiki/ISO_4217>.
- @param parameters Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
- be `NSString`s, and the values are expected to be `NSString` or `NSNumber`. Limitations on the number of
- parameters and name construction are given in the `AppEvents` documentation. Commonly used parameter names
- are provided in `AppEvents.ParameterName` constants.
- @param accessToken The optional access token to log the event as.
- This event immediately triggers a flush of the `AppEvents` event queue, unless the `flushBehavior` is set
- to `FBSDKAppEventsFlushBehaviorExplicitOnly`.
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (void)logPurchase:(double)purchaseAmount
- currency:(NSString *)currency
- parameters:(nullable NSDictionary<FBSDKAppEventParameterName, id> *)parameters
- accessToken:(nullable FBSDKAccessToken *)accessToken
- NS_SWIFT_NAME(logPurchase(amount:currency:parameters:accessToken:));
- // UNCRUSTIFY_FORMAT_ON
- /*
- * Push Notifications Logging
- */
- /**
- Log an app event that tracks that the application was open via Push Notification.
- @param payload Notification payload received via `UIApplicationDelegate`.
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (void)logPushNotificationOpen:(NSDictionary<NSString *, id> *)payload
- NS_SWIFT_NAME(logPushNotificationOpen(payload:));
- // UNCRUSTIFY_FORMAT_ON
- /**
- Log an app event that tracks that a custom action was taken from a push notification.
- @param payload Notification payload received via `UIApplicationDelegate`.
- @param action Name of the action that was taken.
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (void)logPushNotificationOpen:(NSDictionary<NSString *, id> *)payload action:(NSString *)action
- NS_SWIFT_NAME(logPushNotificationOpen(payload:action:));
- // UNCRUSTIFY_FORMAT_ON
- /**
- Uploads product catalog product item as an app event
- @param itemID Unique ID for the item. Can be a variant for a product.
- Max size is 100.
- @param availability If item is in stock. Accepted values are:
- in stock - Item ships immediately
- out of stock - No plan to restock
- preorder - Available in future
- available for order - Ships in 1-2 weeks
- discontinued - Discontinued
- @param condition Product condition: new, refurbished or used.
- @param description Short text describing product. Max size is 5000.
- @param imageLink Link to item image used in ad.
- @param link Link to merchant's site where someone can buy the item.
- @param title Title of item.
- @param priceAmount Amount of purchase, in the currency specified by the 'currency'
- parameter. This value will be rounded to the thousandths place
- (e.g., 12.34567 becomes 12.346).
- @param currency Currency string (e.g., "USD", "EUR", "GBP"); see ISO-4217 for
- specific values. One reference for these is <http://en.wikipedia.org/wiki/ISO_4217>.
- @param gtin Global Trade Item Number including UPC, EAN, JAN and ISBN
- @param mpn Unique manufacture ID for product
- @param brand Name of the brand
- Note: Either gtin, mpn or brand is required.
- @param parameters Optional fields for deep link specification.
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (void)logProductItem:(NSString *)itemID
- availability:(FBSDKProductAvailability)availability
- condition:(FBSDKProductCondition)condition
- description:(NSString *)description
- imageLink:(NSString *)imageLink
- link:(NSString *)link
- title:(NSString *)title
- priceAmount:(double)priceAmount
- currency:(NSString *)currency
- gtin:(nullable NSString *)gtin
- mpn:(nullable NSString *)mpn
- brand:(nullable NSString *)brand
- parameters:(nullable NSDictionary<NSString *, id> *)parameters
- NS_SWIFT_NAME(logProductItem(id:availability:condition:description:imageLink:link:title:priceAmount:currency:gtin:mpn:brand:parameters:));
- // UNCRUSTIFY_FORMAT_ON
- /**
- Notifies the events system that the app has launched and, when appropriate, logs an "activated app" event.
- This function is called automatically from FBSDKApplicationDelegate applicationDidBecomeActive, unless
- one overrides 'FacebookAutoLogAppEventsEnabled' key to false in the project info plist file.
- In case 'FacebookAutoLogAppEventsEnabled' is set to false, then it should typically be placed in the
- app delegates' `applicationDidBecomeActive:` method.
- This method also takes care of logging the event indicating the first time this app has been launched, which, among other things, is used to
- track user acquisition and app install ads conversions.
- `activateApp` will not log an event on every app launch, since launches happen every time the app is backgrounded and then foregrounded.
- "activated app" events will be logged when the app has not been active for more than 60 seconds. This method also causes a "deactivated app"
- event to be logged when sessions are "completed", and these events are logged with the session length, with an indication of how much
- time has elapsed between sessions, and with the number of background/foreground interruptions that session had. This data
- is all visible in your app's App Events Insights.
- */
- - (void)activateApp;
- /*
- * Push Notifications Registration and Uninstall Tracking
- */
- /**
- Sets and sends device token to register the current application for push notifications.
- Sets and sends a device token from the `Data` representation that you get from
- `UIApplicationDelegate.application(_:didRegisterForRemoteNotificationsWithDeviceToken:)`.
- @param deviceToken Device token data.
- */
- - (void)setPushNotificationsDeviceToken:(nullable NSData *)deviceToken;
- /**
- Sets and sends device token string to register the current application for push notifications.
- Sets and sends a device token string
- @param deviceTokenString Device token string.
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (void)setPushNotificationsDeviceTokenString:(nullable NSString *)deviceTokenString
- NS_SWIFT_NAME(setPushNotificationsDeviceToken(_:));
- // UNCRUSTIFY_FORMAT_ON
- /**
- Explicitly kick off flushing of events to Facebook. This is an asynchronous method, but it does initiate an immediate
- kick off. Server failures will be reported through the NotificationCenter with notification ID `FBSDKAppEventsLoggingResultNotification`.
- */
- - (void)flush;
- /**
- Creates a request representing the Graph API call to retrieve a Custom Audience "third party ID" for the app's Facebook user.
- Callers will send this ID back to their own servers, collect up a set to create a Facebook Custom Audience with,
- and then use the resultant Custom Audience to target ads.
- The JSON in the request's response will include a "custom_audience_third_party_id" key/value pair with the value being the ID retrieved.
- This ID is an encrypted encoding of the Facebook user's ID and the invoking Facebook app ID.
- Multiple calls with the same user will return different IDs, thus these IDs cannot be used to correlate behavior
- across devices or applications, and are only meaningful when sent back to Facebook for creating Custom Audiences.
- The ID retrieved represents the Facebook user identified in the following way: if the specified access token is valid,
- the ID will represent the user associated with that token; otherwise the ID will represent the user logged into the
- native Facebook app on the device. If there is no native Facebook app, no one is logged into it, or the user has opted out
- at the iOS level from ad tracking, then a `nil` ID will be returned.
- This method returns `nil` if either the user has opted-out (via iOS) from Ad Tracking, the app itself has limited event usage
- via the `Settings.shared.isEventDataUsageLimited` flag, or a specific Facebook user cannot be identified.
- @param accessToken The access token to use to establish the user's identity for users logged into Facebook through this app.
- If `nil`, then `AccessToken.current` is used.
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (nullable FBSDKGraphRequest *)requestForCustomAudienceThirdPartyIDWithAccessToken:(nullable FBSDKAccessToken *)accessToken
- NS_SWIFT_NAME(requestForCustomAudienceThirdPartyID(accessToken:));
- // UNCRUSTIFY_FORMAT_ON
- /**
- Sets custom user data to associate with all app events. All user data are hashed
- and used to match Facebook user from this instance of an application.
- The user data will be persisted between application instances.
- @param email user's email
- @param firstName user's first name
- @param lastName user's last name
- @param phone user's phone
- @param dateOfBirth user's date of birth
- @param gender user's gender
- @param city user's city
- @param state user's state
- @param zip user's zip
- @param country user's country
- */
- // UNCRUSTIFY_FORMAT_OFF
- - (void)setUserEmail:(nullable NSString *)email
- firstName:(nullable NSString *)firstName
- lastName:(nullable NSString *)lastName
- phone:(nullable NSString *)phone
- dateOfBirth:(nullable NSString *)dateOfBirth
- gender:(nullable NSString *)gender
- city:(nullable NSString *)city
- state:(nullable NSString *)state
- zip:(nullable NSString *)zip
- country:(nullable NSString *)country
- NS_SWIFT_NAME(setUser(email:firstName:lastName:phone:dateOfBirth:gender:city:state:zip:country:));
- // UNCRUSTIFY_FORMAT_ON
- /// Returns the set user data else nil
- - (nullable NSString *)getUserData;
- /// Clears the current user data
- - (void)clearUserData;
- /**
- Sets custom user data to associate with all app events. All user data are hashed
- and used to match Facebook user from this instance of an application.
- The user data will be persisted between application instances.
- @param data data
- @param type data type, e.g. FBSDKAppEventEmail, FBSDKAppEventPhone
- */
- - (void)setUserData:(nullable NSString *)data
- forType:(FBSDKAppEventUserDataType)type;
- /// Clears the current user data of certain type
- - (void)clearUserDataForType:(FBSDKAppEventUserDataType)type;
- #if !TARGET_OS_TV
- /**
- Intended to be used as part of a hybrid webapp.
- If you call this method, the FB SDK will inject a new JavaScript object into your webview.
- If the FB Pixel is used within the webview, and references the app ID of this app,
- then it will detect the presence of this injected JavaScript object
- and pass Pixel events back to the FB SDK for logging using the AppEvents framework.
- @param webView The webview to augment with the additional JavaScript behavior
- */
- - (void)augmentHybridWebView:(WKWebView *)webView;
- #endif
- /*
- * Unity helper functions
- */
- /**
- Set whether Unity is already initialized.
- @param isUnityInitialized Whether Unity is initialized.
- */
- - (void)setIsUnityInitialized:(BOOL)isUnityInitialized;
- /// Send event bindings to Unity
- - (void)sendEventBindingsToUnity;
- /*
- * SDK Specific Event Logging
- * Do not call directly outside of the SDK itself.
- */
- /**
- Internal Type exposed to facilitate transition to Swift.
- API Subject to change or removal without warning. Do not use.
- @warning INTERNAL - DO NOT USE
- */
- - (void)logInternalEvent:(FBSDKAppEventName)eventName
- parameters:(nullable NSDictionary<FBSDKAppEventParameterName, id> *)parameters
- isImplicitlyLogged:(BOOL)isImplicitlyLogged;
- /**
- Internal Type exposed to facilitate transition to Swift.
- API Subject to change or removal without warning. Do not use.
- @warning INTERNAL - DO NOT USE
- */
- - (void)logInternalEvent:(FBSDKAppEventName)eventName
- parameters:(nullable NSDictionary<FBSDKAppEventParameterName, id> *)parameters
- isImplicitlyLogged:(BOOL)isImplicitlyLogged
- accessToken:(nullable FBSDKAccessToken *)accessToken;
- - (void)flushForReason:(FBSDKAppEventsFlushReason)flushReason;
- @end
- NS_ASSUME_NONNULL_END
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