If the Firebase authentication is success, we redirect the user to the next activity (ProfileActivity.java).
Calling firebaseAuthWithGoogle(credential) for making Firebase Authentication with Google. If handleSignInResult(result) returns true, we get the Google Authentication using idToken. The onActivityResult() we get the result of Google Sign-in request. Clicking on Sign-In button, it calls (googleApiClient) and starting the intent with startActivityForResult(). The new GoogleSignInOptions.Builder() method configure the Google Sign-in to get the user data using the requestEmail option. If the users successfully sign-in we place other firebase logic. The new FirebaseAuth.AuthStateListener() is used as an authentication listener to check whether the user is sign-in or not. The functionality of classes and methods used in MainActivity.java class are given below: Even you can use the default Google web client id in the program.Īdd the following code in MainActivity.java class. gradle files of your application and click 'Sync now' in the IDE and click on 'Next'.Īdd your web client id in the string.xml file. Now download the 'google-services.json' file to integrate it into the Android application and click on 'Next'.Ĩ. We will found our app SHA-1 key on 'Gradle Console'.ħ. Open the Gradle tab from a right side panel. We can get the app certificate SHA-1 key through following steps: Register your app to Firebase by providing required app information and click on 'Register app'. When your new project is successfully ready click on 'Continue'.Ħ. Fill the project name and select the analytics location, cloud Firestore location, accept the controller terms and click 'Create project'.Ĥ. Create a Firebase developer account at and click on 'GO TO CONSOLE'.ģ. Steps to create and configure Android App on Google Firebase Accountġ. In this tutorial, we will integrate the Firebase Authentication for Google Sign-In functionality in our Android application using Google and Firebase APIs. Using Firebase Authentication, we will authenticate the log-in of Google, Facebook, GitHub, Twitter and more. It aims to build a secure authentication system. Most of the apps need the identity of the user, and after knowing their status, the app saves the user's data securely in the cloud. 
Next → ← prev Android Firebase Authentication - Google Loginįirebase Authentication provides backend services for easy use the SDKs and in-built UI libraries to authenticate the user in the application.
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