setSubTopic method
@brief Method is used to set MQTT sub-topic for publishing position data.
The final topic will be "navigine/mobile/positions/" + subTopic + "/" + deviceId.
@param subTopic MQTT sub-topic for publishing position data. Must match pattern 0-9a-zA-Z_-+ and cannot be empty.
Dart code snippet: @snippet mqtt_session_example.dart dart_MqttSession_setSubTopic
Implementation
@override
void setSubTopic(String subTopic) {
final _setSubTopicFfi = __lib.catchArgumentError(() => __lib.nativeLibrary.lookupFunction<
Void Function(Pointer<Void>, Pointer<Void>),
void Function(Pointer<Void>, Pointer<Void>)
>('navigine_sdk_flutter_MqttSession_setSubTopic__SubTopic'));
final _subTopicHandle = navigine_sdk_flutter_String_ToFfi(subTopic);
final _handle = this.handle;
_setSubTopicFfi(_handle, _subTopicHandle);
navigine_sdk_flutter_String_ReleaseFfiHandle(_subTopicHandle);
}