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https://github.com/firebase/quickstart-androidA collection of Android quickstart samples demonstrating the integration of various Firebase APIs. Includes implementations for Firebase Authentication (Google, Facebook, Email/Password, Phone, Custom, and MFA), Cloud Functions, Remote Config, Crashlytics, Firebase Database, Google Analytics, App Distribution, and AdMob banner and interstitial ads.
The AdMob quickstart demonstrates how to implement two types of advertisements:
AdRequest and AdView to display a banner.InterstitialAd to display full-screen interstitial ads.This repository contains individual sample projects for the following Firebase services:
This quickstart uses a social application data model with four root nodes designed for specific access patterns:
users: A list of User objects keyed by user ID (e.g., /users/<ID>/email).posts: A list of Post objects keyed by a push ID. Each post contains uid and author properties. It also includes a stars map where /posts/<POST-ID>/stars/<USER-ID> is true if the user starred the post.user-posts: A list of posts belonging to a specific user, keyed by user ID (/user-posts/<USER-ID>). This allows querying all posts by a user without scanning the entire posts tree.post-comments: A list of comments for a specific post, keyed by post ID (/post-comments/<POST-ID>). This separation allows loading posts without fetching all associated comments.The Firebase Remote Config Android quickstart demonstrates how to use Remote Config to override in-app default values by defining service-side parameter values in the Firebase console. This allows you to change user-facing text or app behavior without releasing a new version of the app.
To use this sample:
welcome_message or welcome_message_caps) in the Firebase Console.Before implementing the App Distribution SDK, you must complete the standard Firebase Android setup. This includes adding the Firebase SDK to your project and configuring your google-services.json file.
Follow the official Firebase documentation to complete the setup: https://firebase.google.com/docs/android/setup
To enable passwordless sign-in via email links:
your-project-id in the AndroidManifest.xml file with your actual Firebase project ID.PasswordlessActivity and click Send Link.To use this Analytics quickstart sample, follow these steps:
This sample demonstrates how user interactions are logged to Firebase Analytics.
To allow the app to function correctly, add the following security rules to your Firestore project in the rules tab:
match /databases/{database}/documents {
// Anyone can read a restaurant, only authorized
// users can create or update. Deletes are not allowed.
match /restaurants/{restaurantId} {
allow read: if true;
allow create, update: if request.auth.uid != null;
}
// Anyone can read a rating. Only the user who made the rating
// can delete it. Ratings can never be updated.
match /restaurants/{restaurantId}/ratings/{ratingId} {
allow read: if true;
allow create: if request.auth.uid != null;
allow delete: if request.resource.data.userId == request.auth.uid;
allow update: if false;
}
}
}Before fetching values from the server, you should define in-app default values. This ensures your app has valid data even if the device is offline or the fetch fails.
In this quickstart, defaults are set using an XML file, but you can also set them inline using the setDefault methods provided by the FirebaseRemoteConfig class.
quickstart-android/dataconnect directory in Visual Studio Code.To enable Facebook Login, follow these steps:
com.google.firebase.quickstart.auth.com.google.firebase.quickstart.auth.kotlin.MainActivity.app/src/main/res/values/ids.xml.facebook_app_id and facebook_client_token with the values from your Facebook app.FacebookLoginFragment from the main screen.facebookDebug or facebookRelease build variants to avoid the 'Facebook is disabled' error.