initialize method Null safety
Connect to the Onvif device and retrieve its capabilities
Implementation
Future<void> initialize() async {
if (debug) logDebug('initializing...');
final _datetime = await deviceManagement.getSystemDateAndTime();
_timeDelta = _datetime.utcDateTime != null
? _datetime.utcDateTime!.difference(DateTime.now().toUtc())
: const Duration(seconds: 0);
final _serviceList = await deviceManagement.getServices();
serviceMap.addAll(
{for (var service in _serviceList) service.nameSpace: service.xAddr});
if (serviceMap.containsKey('http://www.onvif.org/ver10/media/wsdl')) {
_media = Media(
onvif: this,
uri: serviceMap['http://www.onvif.org/ver10/media/wsdl']!);
}
if (serviceMap.containsKey('http://www.onvif.org/ver20/ptz/wsdl')) {
_ptz = Ptz(
onvif: this, uri: serviceMap['http://www.onvif.org/ver20/ptz/wsdl']!);
}
if (debug) logDebug('initialization complete');
}