TrafficIncidentsQueryCallback typedef - traffic library - Dart API
TrafficIncidentsQueryCallback
TrafficIncidentsQueryCallback typedef
Callback passed to TrafficEngine.queryForIncidentsInCorridor.
The method will be called on the main thread when a search call has been completed.
The first argument is the error in the case of the failure. It is null for an operation that succeeds.
The second argument is the list of incidents in the case of the success. It is null in case of an error.
-
queryErrorThe error in the case of the failure. It isnullfor an operation that succeeds. -
resultThe list of incidents in the case of the success. It isnullin case of an error.
Implementation
typedef TrafficIncidentsQueryCallback = void Function(TrafficQueryError? queryError, List<TrafficIncident>? result);