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Firebase Setup

The Android app uses Firebase for single-user authentication, ensuring secure and exclusive control of the Object Detection Car. This section provides detailed instructions for setting up Firebase, as mentioned in the project documentation.

Overview

  • Purpose: Authenticate users via Email/Password to prevent unauthorized access.
  • Benefit: Ensures only one user controls the car at a time.
  • Platform: Firebase Authentication, integrated with the Android app.

Setup Steps

  1. Create a Firebase Project:

    • Go to console.firebase.google.com and sign in.
    • Click “Add project” and name it (e.g., Object-Detection-Car).
    • Disable Google Analytics (optional) and create the project.

  2. Add Android App:

    • In the Firebase Console, click the Android icon to add an app.
    • Enter the Android package name (e.g., com.example.carcontrol).
    • Provide an optional App nickname (e.g., CarControl).
    • Download google-services.json and save it.

  3. Integrate google-services.json:

    • Place google-services.json in the android-app/app/ folder of the Android Studio project.
    • Ensure the file is in the correct location for Gradle to detect it.

  4. Add Firebase Dependencies:

    • Open android-app/build.gradle (project-level) and add:

      classpath 'com.google.gms:google-services:4.3.15'

    • Open android-app/build.gradle (app-level) and add:

      apply plugin: 'com.google.gms.google-services'
implementation 'com.google.firebase:firebase-auth:22.0.0'

    • Sync the project with Gradle.

  5. Enable Authentication:

    • In Firebase Console, go to Authentication > Sign-in method.
    • Enable Email/Password authentication.
    • Optionally, add test users via the Users tab.

  6. Test Authentication:

    • Build and run the Android app in Android Studio.
    • Use a registered email/password to log in.
    • Verify that only one user can control the car at a time.

Notes

  • Package Name: Must match the app’s applicationId in build.gradle.
  • Internet Access: Required for initial Firebase login.
  • Security: Store google-services.json securely; do not commit sensitive API keys to public repositories.
  • Troubleshooting:
    • Check Firebase Console for error logs.
    • Ensure google-services.json is correctly placed.
    • Verify internet connectivity during login.

Code Integration

The Android app uses Firebase Authentication APIs to:

  • Authenticate users with email/password.
  • Maintain a single active session.
  • Prevent unauthorized control.

For app setup, see README.