Flutter Social Authentication

1.Sign in with Apple

Configure Sign in with Apple for iOS

Step 1: Enable Sign in with Apple in Apple Developer Account

• Sign in to your Apple Developer account.

• Navigate to Certificates → Identifiers

• Select Identifiers from the left navigation menu.
• Locate and select your application's App ID.
• Under the Capabilities section, enable Sign in with Apple.
• Save the changes.

Step 2: Configure Sign in with Apple in Xcode

• Open your iOS project in Xcode.
• Select your project from the Project Navigator.
• Verify that the Team and Bundle Identifier match the configuration created in the Apple Developer Portal.
• Open the Signing & Capabilities tab.
• Click + Capability.
• Search for Sign in with Apple.
• Select Sign in with Apple from the list of available capabilities.
• Xcode will automatically add the required entitlement to your project.

Step 3: Verify Configuration

• Scroll through the Signing & Capabilities section.
• Confirm that Sign in with Apple appears in the list of enabled capabilities.
• Ensure there are no signing or provisioning profile errors.

Configure Sign in with Apple for Google

Step 1: Create OAuth Client ID in Google Cloud Console

• Open Google Cloud Console and navigate to APIs & Services.
• Click Credentials.
• In the Credentials section, click + CREATE CREDENTIALS.
• Select OAuth client ID.
• Choose iOS as the application type.
• Enter the following details:
  • Name: Appropriate identifier for the environment.
  • Bundle ID: From firebase bundle ID (Example: com.app.user)
• Click Create

Step 2: Configure Client IDs in Project Code

• Open project source code.
• Navigate to auth_bloc.
• Locate the google_login section.
• Select OAuth client ID.
• Set the following values:

  iOS Client ID:

  • Copy the Client ID from the iOS OAuth Client created in Google Cloud Console.
  • Paste it into the iOS Client ID identifier.

  Server ID:

  • Copy the Client ID from the Web OAuth Client in Google Cloud Console.
  • Paste it into the Server ID identifier.

Step 3: Configure URL Schemes in Info.plist

• open:

ios/Runner/Info.plist

• In Google Cloud Console, open the created iOS OAuth Client.
• Locate the Google URL Scheme.
• Copy the Google URL Scheme value.
• Paste it into the URL Schemes configuration in Info.plist.

2. Configure Sign in with Android

Google Sign-In Configuration

Step 1: Create OAuth Client ID in Google Cloud Console

• Open Google Cloud Console and navigate to APIs & Services.
• Click Credentials.
• In the Credentials section, click + CREATE CREDENTIALS.
• Select OAuth client ID.
• Choose Android as the application type.
• Enter the following details:
  • Name: Appropriate identifier for the environment.
  • Package Name: From Firebase package name (Example: com.app.user)

Step 2: Obtain SHA-1 Certificate Fingerprint

• Open the project source code.
• Open the terminal inside the android directory.
• Execute the following command:

./gradlew signingReport

• Copy the SHA-1 fingerprint from the required build variant (Debug or Release).
• Paste the SHA-1 Certificate Fingerprint into the OAuth client configuration.

Step 3: Create Separate OAuth Client IDs

• Create separate OAuth Client IDs for:
  • Debug
  • Release
  • Live (Play Store SHA-1 Key)
• The Play Store SHA-1 Certificate Fingerprint should be used as the Live SHA-1 key.

Step 4: Obtain Play Store SHA-1 Certificate Fingerprint

• Open Google Play Console.
• Select your application.
• From the left navigation menu, select Protect with Play.
• Expand Play Store Protection.
• Click Manage Play App Signing.
• Copy the SHA-1 Certificate Fingerprint.
• Use this SHA-1 value when creating the Live Android OAuth Client ID in Google Cloud Console.