Integrasi Google Sign-In
Integrasikan Google Sign-In ke dalam aplikasi Anda agar pengguna dapat melakukan autentikasi dengan lancar menggunakan akun Google mereka.
Integrasi Google Sign-In adalah pelajaran Firebase Auth & Realtime Database Apps gratis di CoddyKit. Ini adalah pelajaran 1 dari 4. Kamu bisa membaca pelajaran lengkapnya di bawah secara gratis — lalu praktikkan langsung di browser dengan editor kode bawaan dan tutor AI 24/7. Ini adalah bagian dari jalur belajar Firebase Auth & Realtime Database Apps, dan progresmu tersinkronisasi di web dan aplikasi CoddyKit. Kursus Firebase Auth & Realtime Database Apps mencakup 4 pelajaran total.
Bagian dari pelajaran ini belum diterjemahkan dan ditampilkan dalam bahasa Inggris.
Welcome to Google Sign-In
Google Sign-In is a secure way to let users log into your app using their Google accounts. It's fast, convenient, and users trust it.
This lesson will guide you through integrating Google Sign-In with Firebase Authentication, making your app more accessible.
Why Google Sign-In?
Using Google Sign-In offers several benefits:
- Ease of Use: Users don't need to create new passwords.
- Security: Leverages Google's robust authentication system.
- Trust: Users are familiar with the Google sign-in flow.
- Developer Simplicity: Firebase handles much of the complexity.
Integration Steps Overview
Integrating Google Sign-In with Firebase involves a few key steps:
- Enable Google as a provider in Firebase.
- Configure your app's Google Sign-In client.
- Handle the user's sign-in flow.
- Exchange the Google credential for a Firebase credential.
- Sign in the user to Firebase.
Enable Google in Firebase
First, you need to tell Firebase that you'll be using Google Sign-In.
Go to your Firebase Console, select your project, then navigate to Authentication > Sign-in method. Find 'Google' and enable it. Make sure to save your changes!
Web Client ID for Auth
Even for mobile apps, Firebase often uses a Web Client ID to securely authenticate with Google's backend services. This ID ensures that the Google token received by your app can be verified by Firebase.
After enabling Google Sign-In in the Firebase Console, Firebase automatically creates and links a Web Client ID for you. You'll typically find this in your project's `google-services.json` (Android) or `GoogleService-Info.plist` (iOS) file.
Configure Google Sign-In Client
In your application, you need to configure the Google Sign-In client. This setup includes requesting the user's ID token, which Firebase will use for authentication.
Here's a conceptual example of how you'd set up these options:
class GoogleSignInOptions {
boolean requestIdToken;
String webClientId;
GoogleSignInOptions(String clientId) {
this.webClientId = clientId;
}
GoogleSignInOptions requestIdToken(boolean value) {
this.requestIdToken = value;
return this;
}
String build() {
return "Options(ID_Token:" + requestIdToken + ", ClientID:" + webClientId + ")";
}
}
public class Main {
public static void main(String[] args) {
String WEB_CLIENT_ID = "YOUR_WEB_CLIENT_ID.apps.googleusercontent.com";
GoogleSignInOptions gso = new GoogleSignInOptions(WEB_CLIENT_ID)
.requestIdToken(true); // Request ID token for Firebase Auth
System.out.println("Google Sign-In options configured:");
System.out.println(gso.build());
}
}Initiate Sign-In Flow
Once the Google Sign-In client is configured, you'll typically have a "Sign in with Google" button. When the user taps this button, you'll launch the Google Sign-In intent to prompt the user to choose their Google account.
After the user selects an account, Google returns an authentication result, which includes the ID token we requested earlier.
Authenticate with Firebase
With the Google ID token in hand, the next step is to create a Firebase credential using this token and then sign in to Firebase Authentication.
Firebase handles the verification of the Google token and creates a new user or links to an existing one.
class GoogleAuthProvider {
static String getCredential(String idToken) {
return "GoogleCredential(" + idToken.substring(0, 10) + "...)";
}
}
class FirebaseAuth {
void signInWithCredential(String credential) {
System.out.println("Firebase Auth: Signing in with " + credential);
// Simulate success
System.out.println("User signed in successfully!");
}
}
public class Main {
public static void main(String[] args) {
// Imagine this ID token comes from Google Sign-In result
String googleIdToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c";
// 1. Create a Firebase credential from the Google ID token
String credential = GoogleAuthProvider.getCredential(googleIdToken);
// 2. Sign in to Firebase with the credential
FirebaseAuth auth = new FirebaseAuth();
auth.signInWithCredential(credential);
}
}Check Your Understanding
What is the primary piece of information obtained from Google Sign-In that Firebase uses to authenticate a user?
Google Sign-In Summary
You've learned how to integrate Google Sign-In with Firebase Authentication! This powerful combination provides a secure and user-friendly way for users to access your application.
Key takeaways:
- Enable Google as a provider in Firebase.
- Configure your app's Google Sign-In client to request an ID token.
- Use the obtained ID token to create a Firebase credential.
- Sign in to Firebase Auth with that credential.
Next, we'll explore other social login options like Facebook and GitHub!
Belajar Firebase Auth & Realtime Database Apps dengan tutor AI — gratis
Tulis dan jalankan kode asli di browser kamu, dapatkan bantuan instan dari tutor AI 24/7, dan lanjutkan di mana kamu tinggalkan di web atau aplikasi.
- Kursus
- 11
- Pelajaran
- 44
Pertanyaan yang Sering Diajukan
Apakah pelajaran “Integrasi Google Sign-In” gratis?
Ya — teks lengkap “Integrasi Google Sign-In” gratis dibaca di sini di web. Untuk praktiknya secara interaktif (editor kode bawaan dan tutor AI 24/7) dan buka sisa kursus Firebase Auth & Realtime Database Apps, upgrade ke CoddyKit PRO. Kursus Firebase Auth & Realtime Database Apps mencakup 4 pelajaran total.
Apa yang akan aku pelajari di “Integrasi Google Sign-In”?
Integrasikan Google Sign-In ke dalam aplikasi Anda agar pengguna dapat melakukan autentikasi dengan lancar menggunakan akun Google mereka. Kamu berlatih Firebase Auth & Realtime Database Apps dengan kode praktik yang langsung kamu jalankan di browser, dan tutor AI 24/7 menjawab pertanyaanmu saat kamu mengerjakan pelajaran ini.
Apakah aku perlu pengalaman untuk memulai Firebase Auth & Realtime Database Apps?
Tidak diperlukan pengalaman sebelumnya. Firebase Auth & Realtime Database Apps di CoddyKit dirancang untuk pemula hingga pelajar tingkat lanjut, jadi kamu bisa memulai di sini atau dari awal dan belajar sesuai kecepatan kamu sendiri. Ini adalah pelajaran 1 dari 4.
Berapa lama pelajaran “Integrasi Google Sign-In” memakan waktu?
Sebagian besar pelajaran CoddyKit memakan waktu sekitar 5–10 menit. Setiap pelajaran ringkas dan interaktif, jadi kamu membuat kemajuan stabil dan melanjutkan dari tempat kamu tinggalkan di web dan aplikasi.
Bisakah aku menulis dan menjalankan kode dalam pelajaran Firebase Auth & Realtime Database Apps ini?
Ya. Setiap pelajaran Firebase Auth & Realtime Database Apps menyertakan editor kode bawaan, jadi kamu menulis dan menjalankan kode nyata langsung di browser dan mendapatkan umpan balik AI instan — tidak diperlukan penyiapan lokal.
Semua pelajaran dalam kursus ini
- Integrasi Google Sign-In
- Autentikasi Facebook & GitHub
- Autentikasi Anonim & Kustom
- Integrasi Apple Sign-In