Jump to Content

TrafficFlowQueryCallback (API Reference)

TrafficFlowQueryCallback (API Reference)

Functional Interface:: This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public interface TrafficFlowQueryCallback

Callback passed to following functions: TrafficEngine.queryForFlow(GeoBox, TrafficFlowQueryOptions, TrafficFlowQueryCallback) TrafficEngine.queryForFlow(GeoCircle, TrafficFlowQueryOptions, TrafficFlowQueryCallback) TrafficEngine.queryForFlow(GeoCorridor, TrafficFlowQueryOptions, TrafficFlowQueryCallback) 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 flow items in the case of the success. It is null in case of an error.

Method Summary

Modifier and Type

Method

Description

void

onTrafficFlowFetched(TrafficQueryError queryError, List<TrafficFlow> result)

Callback passed to following functions: TrafficEngine.queryForFlow(GeoBox, TrafficFlowQueryOptions, TrafficFlowQueryCallback) TrafficEngine.queryForFlow(GeoCircle, TrafficFlowQueryOptions, TrafficFlowQueryCallback) TrafficEngine.queryForFlow(GeoCorridor, TrafficFlowQueryOptions, TrafficFlowQueryCallback) The method will be called on the main thread when a search call has been completed.

Method Details
- onTrafficFlowFetched
  
  void onTrafficFlowFetched(@Nullable TrafficQueryError queryError, @Nullable List<TrafficFlow> result)
  
  Callback passed to following functions: TrafficEngine.queryForFlow(GeoBox, TrafficFlowQueryOptions, TrafficFlowQueryCallback) TrafficEngine.queryForFlow(GeoCircle, TrafficFlowQueryOptions, TrafficFlowQueryCallback) TrafficEngine.queryForFlow(GeoCorridor, TrafficFlowQueryOptions, TrafficFlowQueryCallback) 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 flow items in the case of the success. It is null in case of an error.
  
  Parameters:
  
  queryError -
  The error in the case of the failure. It is null for an operation that succeeds.
  
  result -
  The list of incidents in the case of the success. It is null in case of an error.
  Note: This is a beta release of this feature, so there could be a few bugs and unexpected behaviors. Related APIs may change for new releases without a deprecation process.