MakerBook/books_viewer/lib/secure_screen/secure_screen_io.dart

import 'dart:io';
import 'package:flutter_windowmanager/flutter_windowmanager.dart';

class SecureScreen {
  static Future<void> enable() async {
    if (Platform.isAndroid) {
      await FlutterWindowManager.addFlags(FlutterWindowManager.FLAG_SECURE);
    }
  }
}