iOS Firebase Integration

This document outlines the basic setup required to connect an iOS application to Firebase. This integration enables services such as Push Notifications, Crashlytics, and Analytics.

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📋 Prerequisites

Requirement	Description
✅ Firebase Account	Create or access via Firebase Console
✅ iOS App in Xcode	An existing iOS project created in Xcode

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🔧 1. Create a Firebase Project

1. Go to Firebase Console.
2. Click "Add project".
3. Enter a project name → Enable Google Analytics (optional).
4. Complete the project creation process.

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🧩 2. Add Your iOS App to Firebase

1. Open your Firebase project in the console.
2. In the Project Overview, click the iOS icon.
3. Fill in the following:
   • iOS Bundle ID: Must exactly match the bundle ID in your Xcode project (e.g., com.example.myapp).
   • App nickname: (Optional) A display name for your app. (e.g., MyApp - iOS Internal App)
   • App Store ID: Leave blank if not applicable.
4. Click Register app.
5. Download the GoogleService-Info.plist file.

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📥 3. Add GoogleService-Info.plist to Your Project

1. Drag the downloaded GoogleService-Info.plist file into your Xcode project.
2. In the popup:
   • ✅ Check "Copy items if needed".
   • ✅ Ensure your main app target is selected in Add to targets.

This file is required for the Firebase SDK to load your app configuration.

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⚙️ 4. Install Firebase SDK

Using Swift Package Manager (Recommended):

1. In Xcode, go to File > Add Packages.

2. Enter the URL: https://github.com/firebase/firebase-ios-sdk

3. Select the modules you need:

4. FirebaseAnalytics

5. FirebaseMessaging (for push notifications)
6. FirebaseCrashlytics, FirebaseAuth, etc., as needed.

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🚀 5. Initialize Firebase SDK

AppDelegate.swift:

import Firebase

func application(_ application: UIApplication,
                 didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
  FirebaseApp.configure()
  return true
}