uxlens_sdk 0.1.3

UxLens session replay & analytics SDK for Flutter apps.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart' show rootBundle;
import 'package:uxlens_sdk/uxlens_sdk.dart';

import 'screens/home_screen.dart';
import 'screens/login_screen.dart';
import 'screens/session_inspector_screen.dart';
import 'screens/webview_screen.dart';

// Backend wiring (UXLENS_ENDPOINT/UXLENS_API_KEY) comes from assets/.env —
// bundled into the app at build time like any other asset (see
// assets/.env.example and pubspec.yaml), so no keys live in source and a
// plain `flutter run` (or the IDE's Run button) just works with no special
// flags. Missing/unset values fall back to Phase 1 local-only mode.
Future<Map<String, String>> _loadEnvAsset() async {
  final env = <String, String>{};
  try {
    final raw = await rootBundle.loadString('assets/.env');
    for (final rawLine in raw.split('\n')) {
      final line = rawLine.trim();
      if (line.isEmpty || line.startsWith('#')) continue;
      final i = line.indexOf('=');
      if (i == -1) continue;
      env[line.substring(0, i).trim()] = line.substring(i + 1).trim();
    }
  } catch (_) {
    // No assets/.env bundled — fine, just runs in local-only mode.
  }
  return env;
}

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  final env = await _loadEnvAsset();
  final apiKey = env['UXLENS_API_KEY'];

  // Single init call, before runApp: this is the entire SDK setup an
  // integrating app needs to do.
  UxLens.start(
    config: UxLensConfig(
      frameRate: 3,
      apiKey: (apiKey == null || apiKey.isEmpty) ? null : apiKey,
      // Keep the on-device session inspector working while uploading.
      alsoWriteLocal: true,
      // Custom regex masking rule: anything card-number-shaped in a
      // widget's semantics gets blacked out, no matter how it's labeled.
      // The home screen's "Ref: 4111 ..." row demos this.
      sensitiveLabelPatterns: const [
        r'\b\d{4}[ -]?\d{4}[ -]?\d{4}[ -]?\d{4}\b',
      ],
      // Record every session in this demo. Drop below 1.0 in production to
      // trade replay coverage for storage cost — sampled-out sessions cost
      // nothing on-device and never upload.
      sampleRate: 1.0,
    ),
  );
  runApp(const UxLensExampleApp());
}

/// Demonstrates the entire Phase 1 integration surface: wrap the app in
/// [UxLensRecorder], register [UxLens.instance]'s navigator observer, and
/// everything else (frame capture, touch capture, masking, buffering) runs
/// automatically.
class UxLensExampleApp extends StatelessWidget {
  const UxLensExampleApp({super.key});

  @override
  Widget build(BuildContext context) {
    return UxLensRecorder(
      child: MaterialApp(
        title: 'UxLens SDK Example',
        debugShowCheckedModeBanner: false,
        navigatorObservers: [UxLens.instance!.navigatorObserver],
        theme: ThemeData(
          useMaterial3: true,
          colorScheme: ColorScheme.fromSeed(
            seedColor: const Color(0xFF5B5FEF),
            brightness: Brightness.light,
          ),
        ),
        initialRoute: '/login',
        routes: {
          '/login': (_) => const LoginScreen(),
          '/home': (_) => const HomeScreen(),
          '/inspector': (_) => const SessionInspectorScreen(),
          '/webview': (_) => const WebViewScreen(),
        },
      ),
    );
  }
}