Analytics and Crashlytics in iOS Swift - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the main purpose of Analytics in a mobile app?

Analytics helps track user behavior and app usage to understand how users interact with the app and improve it.

beginner

What does Crashlytics do in an iOS app?

Crashlytics automatically reports app crashes and errors, helping developers find and fix bugs quickly.

intermediate

How do you log a custom event in Firebase Analytics using Swift?

Use Analytics.logEvent with the event name and parameters, for example: Analytics.logEvent("button_click", parameters: ["button_name": "play"]).

intermediate

Why is it important to add user identifiers in Crashlytics?

Adding user identifiers helps link crash reports to specific users, making it easier to reproduce and fix issues.

beginner

What is a common first step to integrate Firebase Analytics and Crashlytics in an iOS app?

Add Firebase to the project using CocoaPods or Swift Package Manager and configure it in AppDelegate or the main app file.

Which Firebase service helps you track app crashes?

A Realtime Database

B Crashlytics

C Cloud Firestore

D Authentication

Crashlytics is the Firebase service designed to report app crashes and errors.

What method is used to log events in Firebase Analytics for iOS?

A Analytics.logEvent

B Crashlytics.logEvent

C Firebase.logEvent

D EventTracker.log

Analytics.logEvent is the correct method to log custom events in Firebase Analytics.

Why should you avoid logging sensitive user data in Analytics?

A It makes the app UI slower

B It improves app speed

C It increases crash reports

D It can violate user privacy and policies

Logging sensitive data can violate privacy laws and Firebase policies.

Where do you typically initialize Firebase in an iOS app?

A In the Info.plist file

B In the storyboard

C In AppDelegate or main app file

D In the LaunchScreen

Firebase is usually initialized in AppDelegate or the main app entry point.

What does Crashlytics provide besides crash reports?

A Non-fatal error logging

B User interface design

C Database management

D Authentication services

Crashlytics can log non-fatal errors to help diagnose issues that don't crash the app.

Explain how Firebase Analytics and Crashlytics work together to improve an iOS app.

Think about how understanding users and fixing crashes can make the app better.

Describe the steps to add Firebase Analytics and Crashlytics to a new iOS project.

Start from adding the library to your project and end with testing.