initialize method

@override Future<String?> initialize({ required String apiKey, HeliumCallbacks? callbacks, HeliumPurchaseDelegate? purchaseDelegate, Widget? fallbackPaywall, String? customAPIEndpoint, String? customUserId, Map<String, dynamic>? customUserTraits, String? revenueCatAppUserId, String? fallbackBundleAssetPath, HeliumPaywallLoadingConfig? paywallLoadingConfig, })

Initialize helium sdk at the start up of flutter application. It will download custom paywall view

Implementation

@override
Future<String?> initialize({
  required String apiKey,
  HeliumCallbacks? callbacks,
  HeliumPurchaseDelegate? purchaseDelegate,
  Widget? fallbackPaywall,
  String? customAPIEndpoint,
  String? customUserId,
  Map<String, dynamic>? customUserTraits,
  String? revenueCatAppUserId,
  String? fallbackBundleAssetPath,
  HeliumPaywallLoadingConfig? paywallLoadingConfig,
}) async {
  _setMethodCallHandlers(callbacks, purchaseDelegate);
  _fallbackPaywallWidget = fallbackPaywall;

  if (_isInitialized) {
    return "[Helium] Already initialized!";
  }
  _isInitialized = true;

  final result = await methodChannel
      .invokeMethod<String?>(initializeMethodName, {
    'apiKey': apiKey,
    'customUserId': customUserId,
    'customAPIEndpoint': customAPIEndpoint,
    'customUserTraits': _convertBooleansToMarkers(customUserTraits),
    'revenueCatAppUserId': revenueCatAppUserId,
    'fallbackAssetPath': fallbackBundleAssetPath,
    'paywallLoadingConfig': _convertBooleansToMarkers(paywallLoadingConfig?.toMap()),
    'useDefaultDelegate': purchaseDelegate == null,
  });
  return result;
}