Firebase setup for iOS in iOS Swift - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the first step to add Firebase to an iOS app?

Create a Firebase project in the Firebase Console and register your iOS app with its bundle identifier.

beginner

Which file must be downloaded from Firebase Console and added to your Xcode project?

The GoogleService-Info.plist file contains your Firebase app configuration and must be added to your Xcode project root.

beginner

How do you initialize Firebase in your iOS app code?

Import FirebaseCore in AppDelegate.swift and call FirebaseApp.configure() inside application(_:didFinishLaunchingWithOptions:).

intermediate

Why do you need to use CocoaPods or Swift Package Manager when setting up Firebase?

They manage Firebase SDK dependencies and make it easy to add Firebase libraries to your Xcode project.

beginner

What is the purpose of the bundle identifier in Firebase setup for iOS?

It uniquely identifies your app and links it to the Firebase project so Firebase services work correctly.

What file must you add to your Xcode project to configure Firebase?

A Info.plist

B GoogleService-Info.plist

C FirebaseConfig.json

D AppDelegate.swift

The GoogleService-Info.plist file contains your Firebase configuration and must be added to your project.

Where do you call FirebaseApp.configure() in an iOS app?

A In main.swift

B In SceneDelegate.swift

C In ViewController.swift viewDidLoad()

D In AppDelegate.swift inside application(_:didFinishLaunchingWithOptions:)

FirebaseApp.configure() is called in AppDelegate.swift inside application(_:didFinishLaunchingWithOptions:) to initialize Firebase.

Which tool can you use to add Firebase SDKs to your iOS project?

A Firebase Console

B Android Studio

C CocoaPods

D Xcode Server

CocoaPods is a dependency manager used to add Firebase SDKs to iOS projects.

What does the bundle identifier do in Firebase setup?

A Identifies your app uniquely to Firebase

B Stores user data

C Manages app permissions

D Defines app UI layout

The bundle identifier uniquely identifies your app to Firebase services.

After adding GoogleService-Info.plist, what is the next step?

A Initialize Firebase in code with FirebaseApp.configure()

B Run the app without changes

C Delete Info.plist

D Add Firebase to Android project

You must initialize Firebase in your app code by calling FirebaseApp.configure().

Explain the steps to set up Firebase in a new iOS app from scratch.

Think about what you do first in Firebase Console and then in Xcode.

Why is it important to add the GoogleService-Info.plist file to your Xcode project?

Consider what connects your app to Firebase behind the scenes.