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FirebaseAnalytics

@DataCollectionPurpose(dataTypes = [SemanticType.ST_ANALYTICS_ID, SemanticType.ST_PAYMENTS_TRANSACTION_INFO, SemanticType.ST_HARDWARE_ID, SemanticType.ST_IDENTIFYING_ID, SemanticType.ST_COARSE_LOCATION], collectionPurposes = [CollectionPurpose.CP_ANALYTICS])
public final class FirebaseAnalytics

The top level Firebase Analytics singleton that provides methods for logging events and setting user properties. See the developer guides for general information on using Firebase Analytics in your apps.

Applications can get an instance of this class by calling getInstance. getInstance is thread safe and can be called from any thread.

Summary

Nested types

The status value of the consent type.

The type of consent to set.

An Event is an important occurrence in your app that you want to measure.

Params supply information that contextualize Events.

A UserProperty is an attribute that describes the app-user.

Public methods
@NonNull Task<@Nullable String>
@SuppressViolation(value = "catch_specific_exceptions")
getAppInstanceId()

Retrieves the app instance id from the service, or null if ANALYTICS_STORAGE has been set to DENIED.
static @NonNull FirebaseAnalytics
@RequiresPermission(allOf = [Manifest.permission.INTERNET, Manifest.permission.ACCESS_NETWORK_STATE, Manifest.permission.WAKE_LOCK])
@Keep
getInstance(@NonNull Context context)

Returns the singleton FirebaseAnalytics interface.
@NonNull Task<@Nullable Long>
@SuppressViolation(value = "catch_specific_exceptions")
getSessionId()

Retrieves the session id from the client.
void
logEvent(@NonNull @Size(min = 1, max = 40) String name, @Nullable Bundle params)

Logs an app event.
void

Clears all analytics data for this app from the device and resets the app instance id.
void

Sets whether analytics collection is enabled for this app on this device.
void

Sets the applicable end user consent state (e.g., for device identifiers) for this app on this device.
void
@MainThread
@Keep
setCurrentScreen(
    @NonNull Activity activity,
    @Nullable @Size(min = 1, max = 36) String screenName,
    @Nullable @Size(min = 1, max = 36) String screenClassOverride
)

This method is deprecated.

To log screen view events, call mFirebaseAnalytics.logEvent(FirebaseAnalytics.Event.SCREEN_VIEW, params) instead.
void

Adds parameters that will be set on every event logged from the SDK, including automatic ones.
void
setSessionTimeoutDuration(long milliseconds)

Sets the duration of inactivity that terminates the current session.
void

Sets the user ID property.
void
setUserProperty(
    @NonNull @Size(min = 1, max = 24) String name,
    @Nullable @Size(max = 36) String value
)

Sets a user property to a given value.

Extension functions
final void
AnalyticsKt.logEvent(
    @NonNull FirebaseAnalytics receiver,
    @NonNull String name,
    @ExtensionFunctionType @NonNull Function1<@NonNull ParametersBuilder, Unit> block
)

Fluent version of FirebaseAnalytics.logEvent.
final void

Fluent version of FirebaseAnalytics.setConsent.

Public methods

getAppInstanceId

@SuppressViolation(value = "catch_specific_exceptions")
public @NonNull Task<@Nullable String> getAppInstanceId()

Retrieves the app instance id from the service, or null if ANALYTICS_STORAGE has been set to DENIED.

Returns
@NonNull Task<@Nullable String>

Task with the result of the retrieval
See also
setConsent

getInstance

@RequiresPermission(allOf = [Manifest.permission.INTERNET, Manifest.permission.ACCESS_NETWORK_STATE, Manifest.permission.WAKE_LOCK])
@Keep
public static @NonNull FirebaseAnalytics getInstance(@NonNull Context context)

Returns the singleton FirebaseAnalytics interface.

Parameters
@NonNull Context context

the context used to initialize Firebase Analytics. Must not be null.

getSessionId

@SuppressViolation(value = "catch_specific_exceptions")
public @NonNull Task<@Nullable Long> getSessionId()

Retrieves the session id from the client. Returns null if ANALYTICS_STORAGE has been set to DENIED or session is expired.

Returns
@NonNull Task<@Nullable Long>

Task with the result of the retrieval
See also
setConsent

logEvent

public void logEvent(@NonNull @Size(min = 1, max = 40) String name, @Nullable Bundle params)

Logs an app event. The event can have up to 25 parameters. Events with the same name must have the same parameters. Up to 500 event names are supported. Using predefined Event and/or Param is recommended for optimal reporting.

Parameters
@NonNull @Size(min = 1, max = 40) String name

The name of the event. Should contain 1 to 40 alphanumericcharacters or underscores. The name must start with an alphabeticcharacter. Some event names are reserved. See Event for the list of reserved event names. The "firebase_", "google_" and "ga_" prefixes are reserved and should not be used. Note that event names are case-sensitive and that logging two events whose names differ only in case will result in two distinct events.
@Nullable Bundle params

The map of event parameters. Passing null indicates that the event has no parameters. Parameter names can be up to 40 characters long and must start with an alphabeticcharacter and contain only alphanumericcharacters and underscores. String, long and double param types are supported. String parameter values can be up to 100 characters long. The "firebase_", "google_" and "ga_" prefixes are reserved and should not be used for parameter names.

resetAnalyticsData

public void resetAnalyticsData()

Clears all analytics data for this app from the device and resets the app instance id.

setAnalyticsCollectionEnabled

public void setAnalyticsCollectionEnabled(boolean enabled)

Sets whether analytics collection is enabled for this app on this device. This setting is persisted across app sessions. By default it is enabled.

Parameters
boolean enabled

Whether analytics collection is enabled for this app on this device.

setConsent

public void setConsent(
    @NonNull Map<FirebaseAnalytics.ConsentType, FirebaseAnalytics.ConsentStatus> consentSettings
)

Sets the applicable end user consent state (e.g., for device identifiers) for this app on this device. Use the consent map to specify individual consent type values. Settings are persisted across app sessions.

Parameters
@NonNull Map<FirebaseAnalytics.ConsentType, FirebaseAnalytics.ConsentStatus> consentSettings

The map of consent types. Supported consent type keys are AD_STORAGE, ANALYTICS_STORAGE, AD_USER_DATA and AD_PERSONALIZATION. Valid values are GRANTED and DENIED.

setCurrentScreen

@MainThread
@Keep
public void setCurrentScreen(
    @NonNull Activity activity,
    @Nullable @Size(min = 1, max = 36) String screenName,
    @Nullable @Size(min = 1, max = 36) String screenClassOverride
)

Sets the current screen name, which specifies the current visual context in your app. This helps identify the areas in your app where users spend their time and how they interact with your app.

Note that screen reporting is enabled automatically and records the class name of the current Activity for you without requiring you to call this function. The class name can optionally be overridden by calling this function in the onResume callback of your Activity and specifying the screenClassOverride parameter.

If your app does not use a distinct Activity for each screen, you should call this function and specify a distinct screenName each time a new screen is presented to the user.

The name and classOverride remain in effect until the current Activity changes or a new call to setCurrentScreen is made.

This method must be called from the app's main thread.

Parameters
@NonNull Activity activity

The activity to which the screen name and class name apply.
@Nullable @Size(min = 1, max = 36) String screenName

The name of the current screen. Set to null to clear the current screen name.
@Nullable @Size(min = 1, max = 36) String screenClassOverride

The name of the screen class. By default this is the class name of the current Activity. Set to null to revert to the default class name.

setDefaultEventParameters

public void setDefaultEventParameters(@Nullable Bundle parameters)

Adds parameters that will be set on every event logged from the SDK, including automatic ones. The values passed in the parameters bundle will be added to the map of default event parameters. These parameters persist across app runs. They are of lower precedence than event parameters, so if an event parameter and a parameter set using this API have the same name, the value of the event parameter will be used. The same limitations on event parameters apply to default event parameters.

Parameters
@Nullable Bundle parameters

Parameters to be added to the map of parameters added to every event. They will be added to the map of default event parameters, replacing any existing parameter with the same name. Valid parameter values are String, long, and double. Setting a key's value to null will clear that parameter. Passing in a null bundle will clear all parameters.

setSessionTimeoutDuration

public void setSessionTimeoutDuration(long milliseconds)

Sets the duration of inactivity that terminates the current session. The default value is 1800000 (30 minutes).

Parameters
long milliseconds

Session timeout duration in milliseconds

setUserId

public void setUserId(@Nullable String id)

Sets the user ID property. This feature must be used in accordance with Google's Privacy Policy.

Parameters
@Nullable String id

The user ID to ascribe to the user of this app on this device, which must be non-empty and no more than 256 characters long. Setting the ID to null removes the user ID.

setUserProperty

public void setUserProperty(
    @NonNull @Size(min = 1, max = 24) String name,
    @Nullable @Size(max = 36) String value
)

Sets a user property to a given value. Up to 25 user property names are supported. Once set, user property values persist throughout the app lifecycle and across sessions.

Parameters
@NonNull @Size(min = 1, max = 24) String name

The name of the user property to set. Should contain 1 to 24 alphanumericcharacters or underscores and must start with an alphabeticcharacter. The "firebase_", "google_" and "ga_" prefixes are reserved and should not be used for user property names.
@Nullable @Size(max = 36) String value

The value of the user property. Values can be up to 36 characters long. Setting the value to null removes the user property.

Extension functions

AnalyticsKt.logEvent

public final void AnalyticsKt.logEvent(
    @NonNull FirebaseAnalytics receiver,
    @NonNull String name,
    @ExtensionFunctionType @NonNull Function1<@NonNull ParametersBuilder, Unit> block
)

Fluent version of FirebaseAnalytics.logEvent.

Example use:

Firebase.analytics.logEvent("myEvent") {
  param(Params.VALUE, 3.99)
  param(Params.CURRENCY, "USD")
}

AnalyticsKt.setConsent

public final void AnalyticsKt.setConsent(
    @NonNull FirebaseAnalytics receiver,
    @ExtensionFunctionType @NonNull Function1<@NonNull ConsentBuilder, Unit> block
)

Fluent version of FirebaseAnalytics.setConsent.

Example use:

Firebase.analytics.setConsent {
  adStorage = ConsentStatus.GRANTED
  analyticsStorage = ConsentStatus.GRANTED
  adUserData = ConsentStatus.GRANTED
  adPersonalization = ConsentStatus.GRANTED
}
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