This Flutter project showcases the implementation of biometric authentication using local_auth.

• Permission Setup
  • Android
  • iOS
• Android-Specific Configurations
• iOS-Specific Configurations
• Adding the local_auth Dependency

If permission is not granted, app will be failed to initialize.

<uses-permission android:name="android.permission.USE_BIOMETRIC"/>

<key>NSFaceIDUsageDescription</key>
<string>Why is my app authenticating using face id?</string>

At project/android/app/src/main/kotlin/com/example/{ProjectName}/MainActivity.kt change the default Activity to use FlutterFragmentActivity.

import io.flutter.embedding.android.FlutterFragmentActivity

class MainActivity: FlutterFragmentActivity() {
    // ...
}

Xcode build will requires you to select your team. To do this, you need to be on MacOS. Then open project/ios/Runner.xcworkspace by using Xcode then edit the build setting.

dependencies:
  flutter:
    sdk: flutter
  local_auth:

flutter pub get

flutter run