Set Out Fields.

cadgism — Sun, 12 Dec 2021 04:38:03 GMT

I want to return only few Attribute fields of the feature instead of All the fields as it makes the query slower. In Android SDk 10.xx there was a way to limit the outfields by

Query query = new Query();
query.setOutFields(new String[] {"Filed1", "Field2"});‍‍‍‍

In 100.x the

QueryParameters ‍

has no such method as setOutfields. how can I do this please !!

Thanks

Re: Set Out Fields.

ShellyGill1 — Tue, 07 Aug 2018 11:30:58 GMT

Hi,

When you call the queryFeaturesAsync method on ServiceFeatureTable, you can indicate which fields you want to be included in the returned features:

this overload of queryFeaturesAsync lets you indicate you want IDS_ONLY, MINIMUM (fields that are needed for things like rendering, labeling), or LOAD_ALL attributes - see queryFeaturesAsync (QueryParameters queryParameters, ServiceFeatureTable.QueryFeatureFields queryFields)

public ListenableFuture<FeatureQueryResult> queryFeaturesAsync (QueryParameters queryParameters, ServiceFeatureTable.QueryFeatureFieldsqueryFields)

alternatively, if you are using MANUAL_CACHE mode for the ServiceFeatureTable, then the populateFromServiceAsync method allows you to control the specific fields loaded for all features present in the table (as well as explicitly controlling which features get requested from the service into the local in-memory table) - see this sample arcgis-runtime-samples-android/java/service-feature-table-manualcache at master · Esri/arcgis-runtime-samples-android · …

public ListenableFuture<FeatureQueryResult> populateFromServiceAsync (QueryParameters query, boolean clearCache, Iterable<String> outFields)

Hope this info helps. Regards,

Shelly

topic Set Out Fields. in ArcGIS Runtime SDK for Android Questions

Set Out Fields.

Re: Set Out Fields.

public ListenableFuture<FeatureQueryResult> queryFeaturesAsync (QueryParameters queryParameters, ServiceFeatureTable.QueryFeatureFieldsqueryFields)

public ListenableFuture<FeatureQueryResult> populateFromServiceAsync (QueryParameters query, boolean clearCache, Iterable<String> outFields)