anti_screenshot 1.0.5

A Flutter package to prevent screenshots and screen recording on Android & iOS, ensuring complete privacy.

Anti Screenshot

A Flutter package that prevents screenshots and screen recordings on both Android and iOS platforms. This package provides three different protection modes to ensure your app's content remains secure.

Features

• 🛡️ Three protection modes:

  • Black Mode: Captured screen appears completely black
  • Blur Mode: Captured screen appears blurred
  • Block Mode: Completely disables screenshots and screen recording

• 📱 Platform-specific implementations:

  • Android: Uses FLAG_SECURE and monitors Media Projection API
  • iOS: Uses UIScreen.isCaptured and secure window features

Installation

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

dependencies:
  anti_screenshot: ^1.0.5

Usage

Wrap your app or specific widgets with AntiScreenshot:

import 'package:anti_screenshot/anti_screenshot.dart';

void main() {
  runApp(
    AntiScreenshot(
      mode: ProtectionMode.black, // Options: black, blur, block
      child: MyApp(),
    ),
  );
}

Protection Modes

1. Black Mode (ProtectionMode.black):

   • When a screenshot is attempted, the screen appears completely black in the captured image
   • Best for maximum privacy while maintaining app functionality

2. Blur Mode (ProtectionMode.blur):

   • When a screenshot is attempted, the screen appears blurred in the captured image
   • Provides a visual indication that the content is protected

3. Block Mode (ProtectionMode.block):

   • Completely prevents screenshots and screen recordings
   • Most secure option, but may affect some system functionalities

Platform Support

Platform	Support
Android	✅
iOS	✅

Implementation Details

Android

• Uses WindowManager.LayoutParams.FLAG_SECURE to prevent screenshots
• Monitors Media Projection API for screen recording attempts
• Handles Accessibility Services to prevent unauthorized captures

iOS

• Uses UIScreen.main.isCaptured to detect screen recording
• Implements secure window features to prevent unauthorized access
• Monitors screenshot notifications via UIApplication.userDidTakeScreenshotNotification

Example

Check out the example folder for a complete demo application.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the MIT License - see the LICENSE file for details.