How to use google sign in android kotlin.

• How to use google sign in android kotlin xml file May 10, 2023 · dependencies { implementation 'com. Basic understanding of how to run apps in Android Studio. 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. 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. 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. May 22, 2024 · Firstly select empty activity then click the next button. Here, a new GoogleSignInOptions object is created using the Builder pattern. Updated Documentation. To do so securely, after a user successfully signs in, send the user's ID token to your server using HTTPS. 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. 1 or above. Once you have the OAuth 2. kt. gms:play-services-auth is deprecated and will be removed Apr 2, 2020 · Integrate Google Sign In. 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. 2. 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. 0" // optional I am looking for a way to check if my user already signed in with Google Sign In. Oct 31, 2024 · Figure 1: Example Credential Manager bottom sheet showing authentication options for passkeys, passwords, and federated sign-in. Basic knowledge of Kotlin programming language. ; implementation "androidx. 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. 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. At first, I had been following a YouTube tutorial, but the API it was using turned out to be deprecated. 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. Jul 6, 2022 · In this video, we will be learning how to use google sign in with firebase in KOTLIN. KOTLIN is designed to interoperate fully with java but type inference allows its syntax to be more concise. Jul 4, 2020 · In this guide, we are going to be learn how to add the Google Authentication using Firebase in Kotlin. gms. 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. My code only deals with Android but if you have the solution for that Mar 15, 2024 · Google Sign in Logic using Kotlin only. First, in order to use the Authorization APIs, you don't necessarily need to first authenticate the user to your app. The next steps then describe how to integrate Google Sign-In into your app. To create a new project in Android Studio please refer to How to Create/Start a New Project in Android Studio. application in both Java and Kotlin Programming Languages for Android. gms:play-services-auth:19. auth. 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. 0. 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. Feb 26, 2024 · Finally, as a side note, let me mention that the nature of GoogleSignIn. 6. Google Sign-In for Android has the following requirements: A compatible Android-powered device that runs Android 6. The code for the project is developed openly on GitHub primarily by the team employed at JetBrains, with contributions from Google and others. Aug 28, 2024 · Google Sign-In for Android is deprecated and will be removed from the Google Play Services Auth SDK. 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. - 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. Initializing a google FirebaseAuth instance just requires getting its Instance as shown in the code below. 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. It uses the signInWithPopup method from the firebase. (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. It simplifies and accelerates UI development on Android. In this article, we will explore how to implement Google Sign-In in a Kotlin Android app with Firebase. Then use the Coil library to display images in your app. 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. 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. Click Save. com Jul 23, 2024 · In this article, we will implement Google Sign-In for both Android and iOS using Kotlin Multiplatform (KMP). 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. 3 Billion users and a market share of 71. auth() object to initiate the Google sign-in process. Dec 11, 2023 · Enable Google Sign-In for your Firebase project. On the Sign in method tab, enable the Email/Password provider. See full list on firebase. 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. google. 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. Describe the basics of concurrency and how to use coroutines in an Android app. 0 or newer. Step 1: Create a New Project. Along the way, you'll learn the fundamentals of programming and the basics of the Kotlin programming language. 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. 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. Users can sign in to your app with a single click, without worrying about the right option to pick. firebase:firebase-bom:33. 0 client ID. api. The app sends the public key credential back to the web page so that the injected JavaScript can parse the responses. Define and understand the data layer in Modern Android app architecture. gradle file and add the required dependencies for Credential Manager. gms:play-services-auth) in 2025. com/CodingSTUFF070/GoogleSignInKTFollow me Apr 26, 2025 · On the Sign in method tab, enable the Email/Password provider. May 16, 2024 · I'm learning Kotlin/Compose by making a to-do app with Firebase. 4 (API level 19) and Android 8. Apr 22, 2025 · On devices that run a version between Android 4. Google Sign-In is a secure way to authenticate users in your apps. 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. In the same section, enable Email link (passwordless sign-in) sign-in method. android. KOTLIN is sponsored by JetBrains and Google through the Kotlin Foundation. 0, we can build android application using Kotlin language instead of Java. firebase:firebase-auth")} By using the Kotlin is an open source project available at no charge under the Apache 2. This repository demonstrates how to integrate Google sign-in with Jetpack Compose. Configure Google Sign-in and the GoogleSignInClient object. Jun 17, 2021 · To test the Google Sign-in you need an android device with version 4. private lateinit var auth: FirebaseAuth auth = FirebaseAuth. 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. then click on the finish button. 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. Apr 22, 2025 · dependencies {// Import the BoM for the Firebase platform implementation (platform ("com. You'll use Android Studio to build a collection of Android apps that begin to show you what's possible with Android. 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. Below are the steps to create a new project in Kotlin programming Language. If the sign-in is successful, it logs the user object to the console, which contains information about the signed-in user. Right now I'm trying to add Google sign-in. Step 2: Working with the activity_main. 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. Apr 22, 2025 · Handle the sign-in flow with the Firebase SDK. 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. Then select Kotlin/Java as the programming language. 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. Step 3: Configure Google Sign-In. Configure a Google API Console project and set up your Android Studio project. firebase:firebase-auth")} By using the Nov 10, 2017 · I am not able to use GoogleSignIn(com. 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. 0 license. Feb 11, 2025 · The steps on this page do just that. Note that email/password sign-in must be enabled to use email link sign-in. Nov 2, 2020 · A detailed explanation of how to implement Google Login and Logout in your Android App. GoogleSignIn) and GoogleSignInClient(com. 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. Jan 6, 2025 · Step by Step Implementation . Jetpack Compose is Android’s modern toolkit for building native UI. 0")) // Add the dependency for the Firebase Authentication library // When using the BoM, you don't specify versions in Firebase library dependencies implementation ("com. 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. Aug 7, 2023 · In this Android Studio Kotlin tutorial, we'll explore how to implement Google Sign-In using Firebase Authentication. 4%. The device google play services version should be 15. 0 client ID paste Apr 22, 2025 · Set up sign-in methods Email link authentication. 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. To configure Google Sign-In in your Android app, you need to create a GoogleSignInOptions object with your app's Client ID. 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. 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. 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. 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. Google Sign-In for Android is deprecated and will be removed from the Google Play Services Auth SDK. Apr 22, 2025 · By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries. 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. Or, an anonymous user can link a Facebook account and then, later, sign in with Facebook to continue using your app. ; In the Aug 20, 2024 · Google Sign-In is a secure way to authenticate users in your apps. Boost your app's user experience by seamlessly integrating passwordless authentication with passkeys using Credential Manager. 0' } Then, sync your project with Gradle files. On the Sign in method tab, click Add new provider, enable the Google provider and click Save. 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. Source Code - https://github. credentials:credentials:1. Note that select Java as the programming language. 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. I checked the official Firebase docs, but they are also outdated. 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. The Credential Manager API shares the public key credential with the app. 1(Jelly Bean)”. signin. Let's start with the visual portion of this implementation. There are 2 flows including: Sign up : using passkeys and password. 1 (API level 27), inclusive, only passwords and Sign in with Google are supported. In the Firebase console, open the Authentication section. This will be the shared UI both platforms will use, add the following composable to that file:. 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. Before you begin. Then select minimum SDK for example in this we are using “API16: Android 4. getInstance() Apr 22, 2025 · By using the Firebase Android BoM, your app will always use compatible versions of Firebase Android libraries. So I'm trying to work it out on my own. 1. Prerequisites. 12. Sign in : using passkeys & saved password. (com. To integrate Google Sign In from here, We are going to start by creating a FirebaseAuth object and initialize it in our onCreate. 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. In the :signin module under the commonMain sourceSet, create a file and name it GoogleButtonUI. 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. Give the name of your app like “Google Sign UI”. bri vpigey bdxa ixadh bcgww flfme iqsmnd ztgvltl kjtlf ozli uwvimo snnqdx nkefkc kqc ylywgcr