Overview:

The content talks about an update to version 3.1.0 of the Firebase SDK, introducing compatibility with React Native. The update involves a shift from the old method of initializing Firebase using new Firebase(url) to firebase.initializeApp(config). It also introduces the usage of firebase.database().ref() for database interactions. A tutorial link is provided for further details.

Features:

• Updated to 3.1.0 of the Firebase SDK: Incorporates the new features and changes introduced in version 3.1.0.
• Compatibility with React Native: Enables the use of Firebase Database and Firebase Auth with React Native.
• New Initialization Method: Configuring Firebase using firebase.initializeApp(config) instead of new Firebase(url).
• Database Interaction Method: Introduces the use of firebase.database().ref() for interacting with the database.

Installation:

To install the updated Firebase SDK and configure it for use with React Native, follow these steps:

1. First, install the Firebase SDK 3.1.0 in your React Native project using npm:

   npm install firebase@3.1.0 --save
   

2. In your React Native project, initialize Firebase using the new method:

   import * as firebase from 'firebase';
   
   const config = {
     apiKey: "<YOUR_API_KEY>",
     authDomain: "<YOUR_AUTH_DOMAIN>",
     databaseURL: "<YOUR_DATABASE_URL>",
     storageBucket: "<YOUR_STORAGE_BUCKET>"
   };
   
   firebase.initializeApp(config);
   

3. To interact with the database, use the following method:

   const database = firebase.database();
   const ref = database.ref();
   

Summary:

The update to version 3.1.0 of the Firebase SDK brings compatibility with React Native, allowing developers to use Firebase Database and Firebase Auth in their React Native projects. The update involves changes in the initialization process, now done using firebase.initializeApp(config), and introduces a new method for interacting with the database using firebase.database().ref(). For detailed guidance, a tutorial link is provided.