RNGoogleSignin not found - expo supabase auth

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02-09-2024

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"RNGoogleSignin" Not Found: Troubleshooting Google Sign-in with Expo and Supabase

Encountering the error "Invariant Violation: TurboModuleRegistry.getEnforcing(...): 'RNGoogleSignin' could not be found" while setting up Google Sign-in with Expo and Supabase is a common issue. This error indicates that your Expo app can't locate the necessary module to interact with Google's Sign-in functionality.

This article will guide you through the troubleshooting steps, providing clarity on why this happens and how to resolve it.

Understanding the Error:

The "RNGoogleSignin" module is a native bridge responsible for facilitating communication between your Expo app (JavaScript) and Google's native sign-in SDK. This bridge is crucial for handling the authentication process with Google. The error message points to a missing connection, preventing your app from accessing the required functionality.

Troubleshooting Steps:

1. Verify Installation:

   • Double-check the package: Make sure you've correctly installed the expo-google-sign-in package.
     • Run: expo install expo-google-sign-in
   • Rebuild your app: After installing the package, rebuild your Expo app to ensure the module is correctly integrated.

2. Expo Go vs. Managed Workflow:

   • Expo Go limitations: Expo Go (the standard Expo app for testing) might not support native modules, including the "RNGoogleSignin" module. If using Expo Go, this could be the root cause of the error.
   • Managed workflow for production: If you plan to deploy your app to app stores, use Expo's managed workflow, which gives you more control over native code and eliminates limitations.

3. Check Google Services Configuration:

   • Google Cloud Platform: Ensure you've configured your Google Cloud Platform project correctly for Google Sign-in with a dedicated project and enabled the necessary APIs.
   • Obtain API credentials: Follow Google's instructions to obtain your Google Client ID and Client Secret. These credentials are essential for connecting your app to your Google Cloud project.

4. Update Expo CLI:

   • Outdated Expo CLI: An outdated Expo CLI version might lead to compatibility issues. Update your CLI to the latest version.
     • Run: npm install -g expo-cli

Example Code (Adapted from Stack Overflow [1]):

import React from 'react';
import { Button, StyleSheet } from 'react-native';
import * as Google from 'expo-google-sign-in';

export default function App() {
  const signInWithGoogleAsync = async () => {
    try {
      await Google.initializeAsync({
        // Replace with your Google Client ID
        clientId: 'YOUR_GOOGLE_CLIENT_ID',
      });

      const user = await Google.signInAsync();

      // Handle user login using Supabase
      // ...
    } catch (error) {
      console.error(error);
    }
  };

  return (
    <View style={styles.container}>
      <Button title="Sign in with Google" onPress={signInWithGoogleAsync} />
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
});

Additional Notes:

• Restart your app: Sometimes restarting your app after making changes can be a simple solution.

Important Links:

• Expo documentation: https://docs.expo.dev/
• Google Sign-in for Android: https://developers.google.com/identity/sign-in/android/start
• Google Sign-in for iOS: https://developers.google.com/identity/sign-in/ios/start

Conclusion:

Successfully implementing Google Sign-in with Expo and Supabase requires a systematic approach to troubleshooting and ensuring proper configuration. By following these steps and verifying each element, you can overcome the "RNGoogleSignin" error and achieve seamless integration of Google authentication into your app.

References:

• [1] Stack Overflow: "[RNGoogleSignin] not found - expo supabase auth" - https://stackoverflow.com/questions/69811669/rngooglesignin-not-found-expo-supabase-auth

Remember: Always refer to the official documentation for the latest information and best practices.