Products Google APIs for Android Reference MetadataField public interface MetadataField Known Indirect Subclasses SearchableCollectionMetadataField<T>, SearchableMetadataField<T>, SearchableOrderedMetadataField<T>, SortableMetadataField<T> SearchableCollectionMetadataField<T> Interface for metadata fields which hold a collection of values. SearchableMetadataField<T> Interface for metadata fields that can be used to filter results as part of file queries. SearchableOrderedMetadataField<T> Interface for metadata fields which holds an ordered value (such as a date) and which can be used for range queries. SortableMetadataField<T> Interface for metadata fields that can be used to sort results of the file queries. Base interface for the SearchableMetadataField and SortableMetadataField interfaces. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated August 14, 2017.