dev_guard 1.0.1

A high-performance remote licensing and app-protection plugin for Flutter. Secured by HMAC signatures and native FFI (Secure Enclave), it enables developers to remotely lock, warn, or sync application [...]

example/lib/main.dart

import 'package:dev_guard/dev_guard.dart';
import 'package:flutter/material.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  // Master Secret is required for all projects. Pass your secret from Settings → Master Secret:
  //
  //   await DevGuard.init(
  //     projectId: 'your_project_id',
  //     secret: 'YOUR_UNIQUE_SECRET',
  //     failSafe: FailSafe.open,
  //   );
  await DevGuard.init(
    projectId: 'your_project_id',
    secret: 'YOUR_MASTER_SECRET',
    failSafe: FailSafe.open,
  );

  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return DevGuard.wrap(
      child: MaterialApp(
        debugShowCheckedModeBanner: false,
        theme: ThemeData.dark(),
        home: Builder(
          builder: (context) {
            return Scaffold(
              body: Center(
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    const Text(
                      'Main Application Content',
                      style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
                    ),
                    const SizedBox(height: 20),

                    // --- REMOTE CONFIG EXAMPLE ---
                    StreamBuilder<GuardResponse?>(
                      stream: DevGuard.onStatusChanged,
                      initialData: DevGuard.currentResponse,
                      builder: (context, snapshot) {
                        final response = snapshot.data;
                        final extra = response?.extraData ?? {};

                        if (extra['showBetaBadge'] == true) {
                          return Container(
                            padding: const EdgeInsets.symmetric(
                              horizontal: 16,
                              vertical: 8,
                            ),
                            decoration: BoxDecoration(
                              color: Colors.amber,
                              borderRadius: BorderRadius.circular(30),
                              boxShadow: [
                                BoxShadow(
                                  color: Colors.amber.withValues(alpha: 0.3),
                                  blurRadius: 10,
                                  spreadRadius: 2,
                                ),
                              ],
                            ),
                            child: const Text(
                              'BETA ACCESS ENABLED',
                              style: TextStyle(
                                color: Colors.black,
                                fontWeight: FontWeight.w900,
                                fontSize: 12,
                                letterSpacing: 1.1,
                              ),
                            ),
                          );
                        }
                        return const SizedBox.shrink();
                      },
                    ),
                    const SizedBox(height: 20),
                    ElevatedButton(
                      onPressed: () async {
                        await DevGuard.setDeviceUser(
                          username: 'example_user',
                          email: '[e-mail]',
                          phone: '[phone]',
                          customData: {'plan': 'premium'},
                        );
                        if (context.mounted) {
                          ScaffoldMessenger.of(context).showSnackBar(
                            const SnackBar(content: Text('User registered for portal tracking.')),
                          );
                        }
                      },
                      child: const Text('Set User'),
                    ),
                  ],
                ),
              ),
            );
          }
        ),
      ),
    );
  }
}