This quickstart shows you how to add Google Analytics to your app and begin logging events.
Google Analytics collects usage and behavior data for your app. The SDK logs two primary types of information:
- Events: What is happening in your app, such as user actions, system events, or errors.
- User properties: Attributes you define to describe segments of your user base, such as language preference or geographic location.
Analytics automatically logs some events and user properties; you don't need to add any code to enable them.
Before you begin
If you haven't already, add Firebase to your Android project and make sure that Google Analytics is enabled in your Firebase project:
If you're creating a new Firebase project, enable Google Analytics during the project creation workflow.
If you're using an existing Firebase project that doesn't have Google Analytics enabled, go to the Integrations tab of your
to enable it. > Project settings
When you enable Google Analytics in your project, your Firebase apps are linked to Google Analytics data streams.
Add the Analytics SDK to your app
In your module (app-level) Gradle file (usually
<project>/<app-module>/build.gradle.kts
or<project>/<app-module>/build.gradle
), add the dependency for the Analytics library for Android. We recommend using the Firebase Android BoM to control library versioning.dependencies { // Import the BoM for the Firebase platform implementation(platform("com.google.firebase:firebase-bom:33.4.0")) // Add the dependency for the Analytics library // When using the BoM, you don't specify versions in Firebase library dependencies implementation("com.google.firebase:firebase-analytics") }
By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries.
(Alternative) Add Firebase library dependencies without using the BoM
If you choose not to use the Firebase BoM, you must specify each Firebase library version in its dependency line.
Note that if you use multiple Firebase libraries in your app, we strongly recommend using the BoM to manage library versions, which ensures that all versions are compatible.
dependencies { // Add the dependency for the Analytics library // When NOT using the BoM, you must specify versions in Firebase library dependencies implementation("com.google.firebase:firebase-analytics:22.1.2") }
Declare the
com.google.firebase.analytics.FirebaseAnalytics
object at the top of your activity:Kotlin+KTX
private lateinit var firebaseAnalytics: FirebaseAnalytics
Java
private FirebaseAnalytics mFirebaseAnalytics;
Initialize it in the
onCreate()
method:Kotlin+KTX
// Obtain the FirebaseAnalytics instance. firebaseAnalytics = Firebase.analytics
Java
// Obtain the FirebaseAnalytics instance. mFirebaseAnalytics = FirebaseAnalytics.getInstance(this);
Start logging events
After you have created a FirebaseAnalytics
instance, you can begin to log
events with the logEvent()
method.
Certain events are recommended for all apps; others are recommended for specific business types or verticals. You should send suggested events along with their prescribed parameters, to ensure maximum available detail in your reports and to benefit from future features and integrations as they become available. This section demonstrates logging a pre-defined event, for more information on logging events, see Log events.
The following code logs a SELECT_CONTENT
event when
a user clicks on a specific element in your app.
Kotlin+KTX
firebaseAnalytics.logEvent(FirebaseAnalytics.Event.SELECT_ITEM) { param(FirebaseAnalytics.Param.ITEM_ID, id) param(FirebaseAnalytics.Param.ITEM_NAME, name) param(FirebaseAnalytics.Param.CONTENT_TYPE, "image") }
Java
Bundle bundle = new Bundle(); bundle.putString(FirebaseAnalytics.Param.ITEM_ID, id); bundle.putString(FirebaseAnalytics.Param.ITEM_NAME, name); bundle.putString(FirebaseAnalytics.Param.CONTENT_TYPE, "image"); mFirebaseAnalytics.logEvent(FirebaseAnalytics.Event.SELECT_CONTENT, bundle);
You can enable verbose logging to monitor logging of events by the SDK to help verify that events are being logged properly. This includes both automatically and manually logged events.
You can enable verbose logging with a series of adb
commands:
adb shell setprop log.tag.FA VERBOSE
adb shell setprop log.tag.FA-SVC VERBOSE
adb logcat -v time -s FA FA-SVC
This command displays your events in the Android Studio logcat, helping you immediately verify that events are being sent.
Next steps
- Understand each Analytics report.
- Use the DebugView to verify your events.
- Explore your data in the Firebase console.
- Explore the guides on events and user properties.
- Learn how to export your data to BigQuery.