Flutter Liveness Detection Randomized Plugin #

A Flutter plugin for liveness detection with randomized challenge response method with an interaction mechanism between the user and the system in the form of a movement challenge that indicates life is detected on the face. This plugin helps implement secure biometric authentication by detecting real human presence through dynamic facial verification challenges.

Preview 🪟 #

https://github.com/user-attachments/assets/f7266dc9-c4a2-4fba-8684-0ead2f678180

Update 1.0.6 #

Face stretching already fixed on this version

Features ✨ #

• 📱 Real-time face detection
• 🎲 Randomized challenge sequence generation
• 💫 Cross-platform support (iOS & Android)
• 🎨 Light and dark mode support
• ✅ High accuracy liveness verification
• 🚀 Simple integration API
• 🎭 Customizable liveness challenge labels
• ⏳ Flexible security verification duration
• 🎲 Adjustable number of liveness challenges
• 🛠️ Adjustable image quality result

Getting Started 🌟 #

Add this to your package's pubspec.yaml file:

dependencies:
  flutter_liveness_detection_randomized_plugin: ^1.0.6

Customized Steps Label #

You can customized steps label or use certain step only of liveness challenge with this example :

config: LivenessDetectionConfig(
customizedLabel: LivenessDetectionLabelModel(
  blink: '', // add empty string to skip/pass this liveness challenge
  lookDown: '',
  lookLeft: '',
  lookRight: '',
  lookUp: 'Tengok Atas', // example of customize label name for liveness challenge. it will replace default 'look up'
  smile: null, // null value to use default label name
),
),

Platform Setup #

Android #

Add camera permission to your AndroidManifest.xml:

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

Minimum SDK version: 23

iOS #

Add camera usage description to Info.plist:

<key>NSCameraUsageDescription</key>
<string>Camera access is required for liveness detection</string>