digified_flutter_plugin 0.0.21

Flutter plugin for Digified's Arabic eKYC and eContract SDKs. Provides native flows for identity verification and electronic contract signing with updated Android integration (FlutterActivity + Hilt) [...]

example/lib/main.dart

import 'package:digified_flutter_plugin/digified_flutter_plugin.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:shared_preferences/shared_preferences.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(const MainApp());
}

class MainApp extends StatefulWidget {
  const MainApp({super.key});

  @override
  State<MainApp> createState() => _MainAppState();
}

class _MainAppState extends State<MainApp> {
  Locale _locale = const Locale('en');
  late SharedPreferences _prefs;

  String t(String en, String ar) => _locale.languageCode == 'ar' ? ar : en;

  @override
  void initState() {
    super.initState();
    _loadSavedLanguage();
    _initSdk();
  }

  Future<void> _loadSavedLanguage() async {
    _prefs = await SharedPreferences.getInstance();
    final savedLanguage = _prefs.getString('app_language') ?? 'en';
    setState(() {
      _locale = Locale(savedLanguage);
    });
    // Set the language in the SDK on app startup
    try {
      await DigifiedFlutterPlugin.setLanguage(savedLanguage);
    } catch (e) {
      print('Failed to set initial language: $e');
    }
  }

  Future<void> _initSdk() async {
    // Call SDK initialization helpers after plugins are registered.
    try {
      await DigifiedFlutterPlugin.setLoggingEnabled(true);
    } catch (e) {
      // Safe to ignore in example if plugin isn't registered yet
      print('setLoggingEnabled failed (plugin not ready?): $e');
    }

    // Retry setTheme a few times if MissingPluginException occurs very early
    const retries = 5;
    var attempt = 0;
    while (attempt < retries) {
      try {
        await DigifiedFlutterPlugin.setTheme(
          lightModeTextColor: "#000000",
          lightModeBackgroundColor: "#FFFFFF",
          lightModeButtonTextColor: "#FFFFFF",
          lightModeButtonBackgroundColor: "#0066FF",
          darkModeTextColor: "#FFFFFF",
          darkModeBackgroundColor: "#1C1B1D",
          darkModeButtonTextColor: "#FFFFFF",
          darkModeButtonBackgroundColor: "#0088FF",
        );
        break; // success
      } catch (e) {
        print('setTheme attempt ${attempt + 1} failed: $e');
        attempt += 1;
        await Future.delayed(const Duration(milliseconds: 200));
      }
    }

    if (attempt == retries) {
      print('setTheme failed after $retries attempts');
    }
  }

  void _toggleLanguage() async {
    final newLang = _locale.languageCode == 'ar' ? 'en' : 'ar';
    try {
      await DigifiedFlutterPlugin.setLanguage(newLang);
      // Save the language preference
      await _prefs.setString('app_language', newLang);
      setState(() {
        _locale = Locale(newLang);
      });
    } catch (e) {
      print('Failed to set language: $e');
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      locale: _locale,
      supportedLocales: const [Locale('en'), Locale('ar')],
      localizationsDelegates: const [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
      ],
      // Fallback resolution: if a delegate doesn't support the requested locale,
      // fall back to the first supported locale (English) to avoid runtime errors
      localeResolutionCallback: (locale, supportedLocales) {
        if (locale == null) return supportedLocales.first;
        for (var supported in supportedLocales) {
          if (supported.languageCode == locale.languageCode) return supported;
        }
        return supportedLocales.first;
      },
      home: Scaffold(
        appBar: AppBar(
          title: Text(t('Digified Demo', 'عرض ديجيفايد')),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              ElevatedButton(
                onPressed: () async {
                  try {
                    final ekycSessionId = await DigifiedFlutterPlugin.presentEKYC(
                      apiKey: "digified-otp-extract-match",
                      baseUrl: "https://ekyc-preprod.digified.dev",
                    );
                    print("eKYC completed. Session ID: $ekycSessionId");
                  } on PlatformException catch (e) {
                    print("eKYC failed: ${e.message}");
                  } catch (e) {
                    print("eKYC error: $e");
                  }
                },
                child: Text(t('Launch eKYC', 'بدء التحقق')),
              ),
              const SizedBox(height: 20),
              ElevatedButton(
                onPressed: () async {
                  try {
                    await DigifiedFlutterPlugin.presentEContract(
                      apiKey: "your_api_key",
                      baseUrl: "your_base_url",
                      faceMatchingApiKey: "your_face_matching_api_key",
                      faceMatchingBaseUrl: "your_face_matching_base_url",
                      eKYCSessionID: "your_ekyc_session_id",
                      templateVersionID: "your_template_version_id",
                      variables: {
                        "key1": "value1",
                        "key2": "value2",
                      },
                    );
                    print("eContract completed successfully");
                  } on PlatformException catch (e) {
                    print("eContract failed: ${e.message}");
                  }
                },
                child: Text(t('Launch eContract', 'بدء العقد الإلكتروني')),
              ),
              const SizedBox(height: 20),
              ElevatedButton(
                onPressed: _toggleLanguage,
                child: Text(t('Switch to Arabic', 'التبديل إلى الإنجليزية')),
              ),
              const SizedBox(height: 20),
              ElevatedButton(
                onPressed: () async {
                  try {
                    await DigifiedFlutterPlugin.openAppSettings();
                  } catch (e) {
                    print('Failed to open app settings: $e');
                  }
                },
                child: Text(t('Open App Settings', 'فتح إعدادات التطبيق')),
              ),
            ],
          ),
        ),
      ),
    );
  }
}