How to use google sign in android kotlin In this flow, the information of the credential being created, or being used, is displayed directly in the Biometric Prompt, along with an entrypoint to more options. Dec 11, 2023 · Enable Google Sign-In for your Firebase project. auth() object to initiate the Google sign-in process. gms. 1. Or, an anonymous user can link a Facebook account and then, later, sign in with Facebook to continue using your app. Each Google Maps SDK has a corresponding KTX library as shown below: In this video we will be seeing how to integrate google one tap signin to your android application. (com. You'll use Android Studio to build a collection of Android apps that begin to show you what's possible with Android. If you use phone number based sign-in in your app, you should offer it alongside more secure sign-in methods, and inform users of the security tradeoffs of using phone number sign-in. 0. Prerequisites. Give the name of your app like “Google Sign UI”. See full list on firebase. Jun 10, 2024 · There are many different pieces in your question so it is kind of hard to answer them all in one place; let me try anyway. Users can sign in to your app with a single click, without worrying about the right option to pick. There are 2 flows including: Sign up : using passkeys and password. 6. Step 1: Create a New Project. Instead of using Firebase for token verification, we will demonstrate how to Mar 4, 2024 · I will demonstrate how you can implement Google authentication for your Android app. 4%. It has even seen further adoption due to the recent introduction of Jetpack Compose, an Android modern toolkit for building native UI with less code and powerful Kotlin API. May 16, 2024 · I'm learning Kotlin/Compose by making a to-do app with Firebase. 0")) // Add the dependency for the Firebase Authentication library // When using the BoM, you don't specify versions in Firebase library dependencies implementation ("com. On Android, the easiest way to authenticate your users with Firebase using their Apple accounts is to handle the entire sign-in flow with the Firebase Android SDK. To integrate Google Sign In from here, We are going to start by creating a FirebaseAuth object and initialize it in our onCreate. 0 client ID paste Apr 22, 2025 · Set up sign-in methods Email link authentication. In your sign-in activity's onCreate method Dec 6, 2019 · Replace the YOUR_KEYSTORE_PATH with the path where your keystore file is, and the YOUR_APP_ALIAS_IN_KEYSTORE with the alias you gave for your app when you added it to your keystore file. To do so securely, after a user successfully signs in, send the user's ID token to your server using HTTPS. gms:play-services-auth:19. 0' } Then, sync your project with Gradle files. Connect your project to Firebase: Step 1: In android studio ,click on tools and select Apr 22, 2025 · By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries. Oct 31, 2024 · Figure 1: Example Credential Manager bottom sheet showing authentication options for passkeys, passwords, and federated sign-in. GoogleSignIn) and GoogleSignInClient(com. firebase:firebase-auth")} By using the Jul 20, 2024 · On April 16, 2024, Google announced that the method of authenticating user using Google Sign-In for Android with the api com. 3 Billion users and a market share of 71. Step 1: In Welcome to Android Studio screen, select Start a new Android Studi Jan 21, 2024 · Implemented Google, Apple, Github authentication Developed new kmpauth-uihelper module that contains Google and Apple Sign-In Buttons Updated sample code. Google Sign-In allows users to sign in t Jun 27, 2024 · This course teaches people with no programming experience how to build simple Android apps with Jetpack Compose. Boost your app's user experience by seamlessly integrating passwordless authentication with passkeys using Credential Manager. Describe the basics of concurrency and how to use coroutines in an Android app. 1(Jelly Bean)”. (Alternative) Add Firebase library dependencies without using the BoM If you choose not to use the Firebase BoM , you must specify each Firebase library version in its dependency line. So I'm trying to work it out on my own. In my settings activity, where I have the logout button, I want to be able to call some static method relating to the Google Sign-In SDK and logout. The device google play services version should be 15. Kotlin Apr 21, 2025 · You create a new user in your Firebase project by calling the createUserWithEmailAndPassword method or by signing in a user for the first time using a federated identity provider, such as Google Sign-In or Facebook Login. Initializing a google FirebaseAuth instance just requires getting its Instance as shown in the code below. getInstance() Apr 22, 2025 · By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries. com Jul 23, 2024 · In this article, we will implement Google Sign-In for both Android and iOS using Kotlin Multiplatform (KMP). Apr 20, 2024 · On the top left click onSelect a project, if you don’t have any project then create NEW PROJECT by clicking the top right of the dialog shown in the above screenshot. Do I really need to repeat the steps above (which I implemented in my login activity) into my settings activity (where the logout button is)? Feb 20, 2025 · Kotlin KOTLIN is a cross platform, statically types, general purpose programming language with type inference. This will be the shared UI both platforms will use, add the following composable to that file:. 0 client ID. In this codelab, you will learn how to sign up using passkeys and password using Credential Manager API and use them for future authentication purposes. You can find medium article here Nov 23, 2023 · One solution is to use a WebView, with a login page and this Google login button, then no problem ! But I don't want to deal with that if I can implement natively for both Android AND iOS. The Credential Manager API shares the public key credential with the app. On the Sign in method tab, click Add new provider, enable the Google provider and click Save. gms:play-services-auth is deprecated and will be removed Apr 2, 2020 · Integrate Google Sign In. KOTLIN is designed to interoperate fully with java but type inference allows its syntax to be more concise. xml file May 10, 2023 · dependencies { implementation 'com. Google Sign-In for Android has the following requirements: A compatible Android-powered device that runs Android 6. 0, we can build android application using Kotlin language instead of Java. Sign in : using passkeys & saved password. Click Save. In this article, I will guide you through the entire process of migrating from legacy Google Sign-In to Credential Manager and AuthorizationClient in using Kotlin and Jetpack Compose. gms:play-services-auth) in 2025. Apr 16, 2025 · This document guides you through implementing Sign in with Google in Android apps, how you can set up the Sign in with Google button UI, and configuring app-optimized one tap sign-up and sign-in experiences. As we go step by step, we will start simple, and we will end with an awesome Google Sign-In for both Android and iOS platform! Before we dive into the coding adventure, let’s understand that Google Sign In is a mix of UI and data layers. Send an authentication link to the user's email address May 28, 2024 · The Android app uses the Credential Manager API to construct the credential request and use it to createCredential. Google Sign-In for Android is deprecated and will be removed from the Google Play Services Auth SDK. Step 2: Working with the activity_main. 1 (API level 27), inclusive, only passwords and Sign in with Google are supported. api. To illustrate, consider signing out; you can do it from the Aug 4, 2023 · Android mobile operating system is the most popular operating system in the world, with approximately 2. Nov 2, 2020 · A detailed explanation of how to implement Google Login and Logout in your Android App. Aug 7, 2023 · In this Android Studio Kotlin tutorial, we'll explore how to implement Google Sign-In using Firebase Authentication. It simplifies and accelerates UI development on Android. The next steps then describe how to integrate Google Sign-In into your app. implementation 'com Jan 4, 2022 · Google Auth Project Creation: So the first thing that we need is to Configure a Google API Console project that will give us the OAuth 2. At first, I had been following a YouTube tutorial, but the API it was using turned out to be deprecated. kt. Apr 22, 2025 · Also, on devices with multiple user profiles, any user that can receive SMS messages can sign in to an account using the device's phone number. ; In the Aug 20, 2024 · Google Sign-In is a secure way to authenticate users in your apps. ; implementation "androidx. Add the following code to your MainActivity: Feb 7, 2025 · If your app uses password-based sign-in, use setPasswordRequestOptions() to enable password credential requests. 12. Let's start with the visual portion of this implementation. Once you have the OAuth 2. - alexmamo/FirebaseSignInWithGoogle A sample Google Sign In app built using Modern Android Development [Architecture Components, Google Sign in, Kotlin, Firebase] firebase google-sign-in firebase-auth firebase-simple-login Updated Oct 4, 2021 Dec 20, 2023 · In this blog post I will share with you how to implement Google Sign-In in Kotlin Multiplatform. Configure Google Sign-in and the GoogleSignInClient object. Note this is your server's client ID FirebaseSignInWithGoogle app it's written in Kotlin and shows a simple solution for implementing Firebase Authentication with Google, using Jetpack Compose on Android. Feb 11, 2025 · The steps on this page do just that. To create a new project in Android Studio please refer to How to Create/Start a New Project in Android Studio. firebase:firebase-bom:33. Jan 6, 2025 · Step by Step Implementation . Nov 30, 2015 · UPDATE: from the comments, if you want to get access token directly from android client app, please use the following sample code (replaced with your client_id, client_secret and the auth code) Dec 30, 2023 · Android Studio Integration: Open your app-level build. To configure Google Sign-In in your Android app, you need to create a GoogleSignInOptions object with your app's Client ID. In the :signin module under the commonMain sourceSet, create a file and name it GoogleButtonUI. Updated Documentation. Define and understand the data layer in Modern Android app architecture. Here, a new GoogleSignInOptions object is created using the Builder pattern. Google Sign-In is a secure way to authenticate users in your apps. If the sign-in is successful, it logs the user object to the console, which contains information about the signed-in user. In the same section, enable Email link (passwordless sign-in) sign-in method. 0 license. 4 (API level 19) and Android 8. Jul 6, 2022 · In this video, we will be learning how to use google sign in with firebase in KOTLIN. The code for the project is developed openly on GitHub primarily by the team employed at JetBrains, with contributions from Google and others. 0" // optional I am looking for a way to check if my user already signed in with Google Sign In. Then use the Coil library to display images in your app. signin. com/CodingSTUFF070/GoogleSignInKTFollow me Apr 26, 2025 · On the Sign in method tab, enable the Email/Password provider. My code only deals with Android but if you have the solution for that Mar 15, 2024 · Google Sign in Logic using Kotlin only. 0 or newer and includes the Google Play Store or an emulator with an AVD that runs the Google APIs Apr 22, 2025 · dependencies {// Import the BoM for the Firebase platform implementation (platform ("com. Basic knowledge of Kotlin programming language. Jul 4, 2020 · In this guide, we are going to be learn how to add the Google Authentication using Firebase in Kotlin. Install Places Android KTX For Kotlin apps using one or more Google Maps Platform Android SDKs, Kotlin extension (KTX) libraries let you take advantage of Kotlin language features, such as coroutines, extension properties/functions, and more. firebase:firebase-auth")} By using the Kotlin is an open source project available at no charge under the Apache 2. Right now I'm trying to add Google sign-in. We will be using native Android sign-in using the Credential Manager and connecting to our secure Sep 9, 2023 · One of the most user-friendly authentication methods is Google Sign-In, which allows users to sign in to your app using their Google credentials. We will walk you though step by step process on implement Apr 16, 2025 · On Android 15, Credential Manager supports a single tap flow for credential creation and retrieval. In this article, we will explore how to implement Google Sign-In in a Kotlin Android app with Firebase. Credential Manager is a Jetpack API that supports multiple sign-in methods, such as username and password, passkeys, and federated sign-in (such as Sign-in with Google) in a single API, simplifying the integration for developers. First, in order to use the Authorization APIs, you don't necessarily need to first authenticate the user to your app. gradle file and add the required dependencies for Credential Manager. Oct 31, 2024 · If you use Google Sign-In with an app or site that communicates with a backend server, you might need to identify the currently signed-in user on the server. Apr 22, 2025 · Handle the sign-in flow with the Firebase SDK. I checked the official Firebase docs, but they are also outdated. This page explains the concept of passkeys and the steps to implementing client-side support for authentication solutions, including passkeys, using the Credential Manager API. Source Code - https://github. Basic understanding of how to run apps in Android Studio. Apr 22, 2025 · On devices that run a version between Android 4. application in both Java and Kotlin Programming Languages for Android. GoogleSignInClient) while implementing Google Sign In in Android Studio while I can access other classes in App like Apr 22, 2025 · For example, a user who signed in with a password can link a Google account and sign in with either method in the future. KOTLIN is sponsored by JetBrains and Google through the Kotlin Foundation. Apr 22, 2025 · dependencies {// Import the BoM for the Firebase platform implementation (platform ("com. Then select Kotlin/Java as the programming language. android. It uses the signInWithPopup method from the firebase. Note that email/password sign-in must be enabled to use email link sign-in. Java JA Use Kotlin coroutines to perform multiple tasks at once, and learn about HTTP and REST to get data from the internet using Retrofit. 2. Feb 26, 2024 · Finally, as a side note, let me mention that the nature of GoogleSignIn. Dec 4, 2024 · Migrate from Google Sign-In for Android to Android Credential Manager to streamline your app's authentication experience and future-proof your development practices. This repository demonstrates how to integrate Google sign-in with Jetpack Compose. Below are the steps to create a new project in Kotlin programming Language. I support several logging APIs (Facebook, Google, custom), so I would like to build a static helper method like: Feb 28, 2022 · As we know Kotlin plugin is bundled with Android Studio above version 3. Along the way, you'll learn the fundamentals of programming and the basics of the Kotlin programming language. Configure a Google API Console project and set up your Android Studio project. 0 or newer. getLastSignedInAccount is very different from the Credential Manager's API that you had mentioned; the former was used to obtain the information about a Google account that was previously used to sign into an app on the same device while the latter is for the purpose of May 16, 2024 · This function signInWithGoogle is used to sign in a user using Google authentication. Jetpack Compose is Android’s modern toolkit for building native UI. Jun 17, 2021 · To test the Google Sign-in you need an android device with version 4. On the Sign in method tab, enable the Email/Password provider. The app sends the public key credential back to the web page so that the injected JavaScript can parse the responses. Apr 22, 2025 · By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries. Note that select Java as the programming language. firebase:firebase-auth")} By using the Nov 10, 2017 · I am not able to use GoogleSignIn(com. Before you begin. Aug 28, 2024 · Google Sign-In for Android is deprecated and will be removed from the Google Play Services Auth SDK. In the Firebase console, open the Authentication section. May 22, 2024 · Firstly select empty activity then click the next button. If your app uses Google Sign-in, use setGoogleIdTokenRequestOptions() to enable and configure Google ID token requests: Set the server client ID to the ID you created in the Google APIs console. To handle the sign-in flow with the Firebase Android SDK, follow these steps: Feb 27, 2023 · GoogleSignInOptions is a configuration object that specifies the options for the Google sign-in process. 1 or above. Feb 11, 2025 · To integrate Google Sign-In into your Android app, configure Google Sign-In and add a button to your app's layout that starts the sign-in flow. private lateinit var auth: FirebaseAuth auth = FirebaseAuth. auth. Then select minimum SDK for example in this we are using “API16: Android 4. google. then click on the finish button. Step 3: Configure Google Sign-In. credentials:credentials:1. umqygiocruiekfapvcktwbtkczdgfikwerynszoggtazhqxjfhdbjimuavawfdggnopwf
How to use google sign in android kotlin In this flow, the information of the credential being created, or being used, is displayed directly in the Biometric Prompt, along with an entrypoint to more options. Dec 11, 2023 · Enable Google Sign-In for your Firebase project. auth() object to initiate the Google sign-in process. gms. 1. Or, an anonymous user can link a Facebook account and then, later, sign in with Facebook to continue using your app. Each Google Maps SDK has a corresponding KTX library as shown below: In this video we will be seeing how to integrate google one tap signin to your android application. (com. You'll use Android Studio to build a collection of Android apps that begin to show you what's possible with Android. If you use phone number based sign-in in your app, you should offer it alongside more secure sign-in methods, and inform users of the security tradeoffs of using phone number sign-in. 0. Prerequisites. Give the name of your app like “Google Sign UI”. See full list on firebase. Jun 10, 2024 · There are many different pieces in your question so it is kind of hard to answer them all in one place; let me try anyway. Users can sign in to your app with a single click, without worrying about the right option to pick. There are 2 flows including: Sign up : using passkeys and password. 6. Step 1: Create a New Project. Instead of using Firebase for token verification, we will demonstrate how to Mar 4, 2024 · I will demonstrate how you can implement Google authentication for your Android app. 4%. It has even seen further adoption due to the recent introduction of Jetpack Compose, an Android modern toolkit for building native UI with less code and powerful Kotlin API. May 16, 2024 · I'm learning Kotlin/Compose by making a to-do app with Firebase. 0")) // Add the dependency for the Firebase Authentication library // When using the BoM, you don't specify versions in Firebase library dependencies implementation ("com. On Android, the easiest way to authenticate your users with Firebase using their Apple accounts is to handle the entire sign-in flow with the Firebase Android SDK. To integrate Google Sign In from here, We are going to start by creating a FirebaseAuth object and initialize it in our onCreate. 0 client ID paste Apr 22, 2025 · Set up sign-in methods Email link authentication. In your sign-in activity's onCreate method Dec 6, 2019 · Replace the YOUR_KEYSTORE_PATH with the path where your keystore file is, and the YOUR_APP_ALIAS_IN_KEYSTORE with the alias you gave for your app when you added it to your keystore file. To do so securely, after a user successfully signs in, send the user's ID token to your server using HTTPS. gms:play-services-auth:19. 0' } Then, sync your project with Gradle files. Connect your project to Firebase: Step 1: In android studio ,click on tools and select Apr 22, 2025 · By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries. Oct 31, 2024 · Figure 1: Example Credential Manager bottom sheet showing authentication options for passkeys, passwords, and federated sign-in. GoogleSignIn) and GoogleSignInClient(com. firebase:firebase-auth")} By using the Jul 20, 2024 · On April 16, 2024, Google announced that the method of authenticating user using Google Sign-In for Android with the api com. 3 Billion users and a market share of 71. Step 1: In Welcome to Android Studio screen, select Start a new Android Studi Jan 21, 2024 · Implemented Google, Apple, Github authentication Developed new kmpauth-uihelper module that contains Google and Apple Sign-In Buttons Updated sample code. Google Sign-In allows users to sign in t Jun 27, 2024 · This course teaches people with no programming experience how to build simple Android apps with Jetpack Compose. Boost your app's user experience by seamlessly integrating passwordless authentication with passkeys using Credential Manager. Describe the basics of concurrency and how to use coroutines in an Android app. 1(Jelly Bean)”. (Alternative) Add Firebase library dependencies without using the BoM If you choose not to use the Firebase BoM , you must specify each Firebase library version in its dependency line. So I'm trying to work it out on my own. In my settings activity, where I have the logout button, I want to be able to call some static method relating to the Google Sign-In SDK and logout. The device google play services version should be 15. Kotlin Apr 21, 2025 · You create a new user in your Firebase project by calling the createUserWithEmailAndPassword method or by signing in a user for the first time using a federated identity provider, such as Google Sign-In or Facebook Login. Initializing a google FirebaseAuth instance just requires getting its Instance as shown in the code below. getInstance() Apr 22, 2025 · By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries. com Jul 23, 2024 · In this article, we will implement Google Sign-In for both Android and iOS using Kotlin Multiplatform (KMP). Apr 20, 2024 · On the top left click onSelect a project, if you don’t have any project then create NEW PROJECT by clicking the top right of the dialog shown in the above screenshot. Do I really need to repeat the steps above (which I implemented in my login activity) into my settings activity (where the logout button is)? Feb 20, 2025 · Kotlin KOTLIN is a cross platform, statically types, general purpose programming language with type inference. This will be the shared UI both platforms will use, add the following composable to that file:. 0 client ID. In this codelab, you will learn how to sign up using passkeys and password using Credential Manager API and use them for future authentication purposes. You can find medium article here Nov 23, 2023 · One solution is to use a WebView, with a login page and this Google login button, then no problem ! But I don't want to deal with that if I can implement natively for both Android AND iOS. The Credential Manager API shares the public key credential with the app. On the Sign in method tab, click Add new provider, enable the Google provider and click Save. gms:play-services-auth is deprecated and will be removed Apr 2, 2020 · Integrate Google Sign In. KOTLIN is designed to interoperate fully with java but type inference allows its syntax to be more concise. xml file May 10, 2023 · dependencies { implementation 'com. Google Sign-In for Android has the following requirements: A compatible Android-powered device that runs Android 6. 0, we can build android application using Kotlin language instead of Java. Sign in : using passkeys & saved password. Click Save. In this article, I will guide you through the entire process of migrating from legacy Google Sign-In to Credential Manager and AuthorizationClient in using Kotlin and Jetpack Compose. gms:play-services-auth) in 2025. Apr 16, 2025 · This document guides you through implementing Sign in with Google in Android apps, how you can set up the Sign in with Google button UI, and configuring app-optimized one tap sign-up and sign-in experiences. As we go step by step, we will start simple, and we will end with an awesome Google Sign-In for both Android and iOS platform! Before we dive into the coding adventure, let’s understand that Google Sign In is a mix of UI and data layers. Send an authentication link to the user's email address May 28, 2024 · The Android app uses the Credential Manager API to construct the credential request and use it to createCredential. Google Sign-In for Android is deprecated and will be removed from the Google Play Services Auth SDK. Step 2: Working with the activity_main. 1 (API level 27), inclusive, only passwords and Sign in with Google are supported. api. To illustrate, consider signing out; you can do it from the Aug 4, 2023 · Android mobile operating system is the most popular operating system in the world, with approximately 2. Nov 2, 2020 · A detailed explanation of how to implement Google Login and Logout in your Android App. Aug 7, 2023 · In this Android Studio Kotlin tutorial, we'll explore how to implement Google Sign-In using Firebase Authentication. It simplifies and accelerates UI development on Android. The next steps then describe how to integrate Google Sign-In into your app. implementation 'com Jan 4, 2022 · Google Auth Project Creation: So the first thing that we need is to Configure a Google API Console project that will give us the OAuth 2. At first, I had been following a YouTube tutorial, but the API it was using turned out to be deprecated. kt. Apr 22, 2025 · Also, on devices with multiple user profiles, any user that can receive SMS messages can sign in to an account using the device's phone number. ; In the Aug 20, 2024 · Google Sign-In is a secure way to authenticate users in your apps. ; implementation "androidx. Add the following code to your MainActivity: Feb 7, 2025 · If your app uses password-based sign-in, use setPasswordRequestOptions() to enable password credential requests. 12. Let's start with the visual portion of this implementation. Once you have the OAuth 2. - alexmamo/FirebaseSignInWithGoogle A sample Google Sign In app built using Modern Android Development [Architecture Components, Google Sign in, Kotlin, Firebase] firebase google-sign-in firebase-auth firebase-simple-login Updated Oct 4, 2021 Dec 20, 2023 · In this blog post I will share with you how to implement Google Sign-In in Kotlin Multiplatform. Configure Google Sign-in and the GoogleSignInClient object. Note this is your server's client ID FirebaseSignInWithGoogle app it's written in Kotlin and shows a simple solution for implementing Firebase Authentication with Google, using Jetpack Compose on Android. Feb 11, 2025 · The steps on this page do just that. To create a new project in Android Studio please refer to How to Create/Start a New Project in Android Studio. firebase:firebase-bom:33. Jan 6, 2025 · Step by Step Implementation . Nov 30, 2015 · UPDATE: from the comments, if you want to get access token directly from android client app, please use the following sample code (replaced with your client_id, client_secret and the auth code) Dec 30, 2023 · Android Studio Integration: Open your app-level build. To configure Google Sign-In in your Android app, you need to create a GoogleSignInOptions object with your app's Client ID. In the :signin module under the commonMain sourceSet, create a file and name it GoogleButtonUI. Updated Documentation. Define and understand the data layer in Modern Android app architecture. Here, a new GoogleSignInOptions object is created using the Builder pattern. Google Sign-In is a secure way to authenticate users in your apps. If the sign-in is successful, it logs the user object to the console, which contains information about the signed-in user. In the same section, enable Email link (passwordless sign-in) sign-in method. 0 license. 4 (API level 19) and Android 8. Jul 6, 2022 · In this video, we will be learning how to use google sign in with firebase in KOTLIN. The code for the project is developed openly on GitHub primarily by the team employed at JetBrains, with contributions from Google and others. 0" // optional I am looking for a way to check if my user already signed in with Google Sign In. Then use the Coil library to display images in your app. signin. com/CodingSTUFF070/GoogleSignInKTFollow me Apr 26, 2025 · On the Sign in method tab, enable the Email/Password provider. My code only deals with Android but if you have the solution for that Mar 15, 2024 · Google Sign in Logic using Kotlin only. 0 or newer and includes the Google Play Store or an emulator with an AVD that runs the Google APIs Apr 22, 2025 · dependencies {// Import the BoM for the Firebase platform implementation (platform ("com. Basic knowledge of Kotlin programming language. Jul 4, 2020 · In this guide, we are going to be learn how to add the Google Authentication using Firebase in Kotlin. Install Places Android KTX For Kotlin apps using one or more Google Maps Platform Android SDKs, Kotlin extension (KTX) libraries let you take advantage of Kotlin language features, such as coroutines, extension properties/functions, and more. firebase:firebase-auth")} By using the Kotlin is an open source project available at no charge under the Apache 2. Right now I'm trying to add Google sign-in. We will be using native Android sign-in using the Credential Manager and connecting to our secure Sep 9, 2023 · One of the most user-friendly authentication methods is Google Sign-In, which allows users to sign in to your app using their Google credentials. We will walk you though step by step process on implement Apr 16, 2025 · On Android 15, Credential Manager supports a single tap flow for credential creation and retrieval. In this article, we will explore how to implement Google Sign-In in a Kotlin Android app with Firebase. Credential Manager is a Jetpack API that supports multiple sign-in methods, such as username and password, passkeys, and federated sign-in (such as Sign-in with Google) in a single API, simplifying the integration for developers. First, in order to use the Authorization APIs, you don't necessarily need to first authenticate the user to your app. gradle file and add the required dependencies for Credential Manager. Oct 31, 2024 · If you use Google Sign-In with an app or site that communicates with a backend server, you might need to identify the currently signed-in user on the server. Apr 22, 2025 · Handle the sign-in flow with the Firebase SDK. I checked the official Firebase docs, but they are also outdated. This page explains the concept of passkeys and the steps to implementing client-side support for authentication solutions, including passkeys, using the Credential Manager API. Source Code - https://github. Basic understanding of how to run apps in Android Studio. Apr 22, 2025 · On devices that run a version between Android 4. application in both Java and Kotlin Programming Languages for Android. GoogleSignInClient) while implementing Google Sign In in Android Studio while I can access other classes in App like Apr 22, 2025 · For example, a user who signed in with a password can link a Google account and sign in with either method in the future. KOTLIN is sponsored by JetBrains and Google through the Kotlin Foundation. Apr 22, 2025 · dependencies {// Import the BoM for the Firebase platform implementation (platform ("com. Then select Kotlin/Java as the programming language. android. It uses the signInWithPopup method from the firebase. Note that email/password sign-in must be enabled to use email link sign-in. Java JA Use Kotlin coroutines to perform multiple tasks at once, and learn about HTTP and REST to get data from the internet using Retrofit. 2. Feb 26, 2024 · Finally, as a side note, let me mention that the nature of GoogleSignIn. Dec 4, 2024 · Migrate from Google Sign-In for Android to Android Credential Manager to streamline your app's authentication experience and future-proof your development practices. This repository demonstrates how to integrate Google sign-in with Jetpack Compose. Below are the steps to create a new project in Kotlin programming Language. I support several logging APIs (Facebook, Google, custom), so I would like to build a static helper method like: Feb 28, 2022 · As we know Kotlin plugin is bundled with Android Studio above version 3. Along the way, you'll learn the fundamentals of programming and the basics of the Kotlin programming language. Configure a Google API Console project and set up your Android Studio project. 0 or newer. getLastSignedInAccount is very different from the Credential Manager's API that you had mentioned; the former was used to obtain the information about a Google account that was previously used to sign into an app on the same device while the latter is for the purpose of May 16, 2024 · This function signInWithGoogle is used to sign in a user using Google authentication. Jetpack Compose is Android’s modern toolkit for building native UI. Jun 17, 2021 · To test the Google Sign-in you need an android device with version 4. On the Sign in method tab, enable the Email/Password provider. The app sends the public key credential back to the web page so that the injected JavaScript can parse the responses. Apr 22, 2025 · By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries. Note that select Java as the programming language. firebase:firebase-auth")} By using the Nov 10, 2017 · I am not able to use GoogleSignIn(com. Before you begin. Aug 28, 2024 · Google Sign-In for Android is deprecated and will be removed from the Google Play Services Auth SDK. In the Firebase console, open the Authentication section. May 22, 2024 · Firstly select empty activity then click the next button. If your app uses Google Sign-in, use setGoogleIdTokenRequestOptions() to enable and configure Google ID token requests: Set the server client ID to the ID you created in the Google APIs console. To handle the sign-in flow with the Firebase Android SDK, follow these steps: Feb 27, 2023 · GoogleSignInOptions is a configuration object that specifies the options for the Google sign-in process. 1 or above. Feb 11, 2025 · To integrate Google Sign-In into your Android app, configure Google Sign-In and add a button to your app's layout that starts the sign-in flow. private lateinit var auth: FirebaseAuth auth = FirebaseAuth. auth. Then select minimum SDK for example in this we are using “API16: Android 4. google. then click on the finish button. Step 3: Configure Google Sign-In. credentials:credentials:1. umqy gioc ruiek fapvckt wbtk czdgfik weryn szogg tazhq xjfh dbji mua vawfd ggn opwf