loadAd method
Implementation
Future<void> loadAd() async {
final Map<String, dynamic> config = {
'placementId': placementId,
'partnerId': partnerId,
'isLocationAutoUpdateEnabled': isLocationAutoUpdateEnabled,
'isAdAutoRefreshEnabled': isAdAutoRefreshEnabled,
'isTesting': isTesting,
'isCloseable': isCloseable,
'useInappBrowser': useInappBrowser,
'geoInfo': geoInfo?.toMap(),
};
await _channel.invokeMethod('loadAd', config);
}