Question 1

How to set up flutter_appauth with Auth0 in a Flutter app?

Accepted Answer

Configure Auth0 in your tenant to get a client ID and redirect URI, then use these in the Flutter AppAuth plugin to initiate the authorization flow. You'll need to handle token storage and validation in your app logic, as the plugin manages the native SDK calls.

Question 2

flutter_appauth vs google_sign_in: which should I use for Google authentication?

Accepted Answer

Flutter AppAuth is better for custom OAuth 2.0 providers and offers more control over authentication flows, while google_sign_in is simpler for quick Google Sign-In integration with pre-built UI. Choose based on whether you need flexibility or convenience.

Question 3

Does flutter_appauth handle token refresh automatically?

Accepted Answer

The plugin supports token management through the native AppAuth SDKs, which can handle refresh tokens, but you may need to implement logic to store and refresh tokens based on provider settings and app state.

Question 4

How to handle authentication errors with flutter_appauth?

Accepted Answer

Errors are thrown as exceptions in Dart, so you can use try-catch blocks to handle issues like network failures or invalid credentials. The plugin propagates errors from the native SDKs, allowing for customized error handling in your Flutter code.

Question 5

Can I use flutter_appauth for biometric authentication?

Accepted Answer

No, Flutter AppAuth is specifically designed for OAuth 2.0 and OpenID Connect flows. For biometric authentication, you'll need additional plugins like local_auth or platform-specific APIs, as it doesn't support this feature.

Question 6

What are the steps to integrate flutter_appauth in a new Flutter project?

Accepted Answer

Add the dependency in pubspec.yaml, configure native iOS and Android settings by updating Info.plist and AndroidManifest.xml with redirect URIs, and set up client IDs from your authentication provider to start using the plugin's API.

Flutter AppAuth

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