Stay organized with collections
Save and categorize content based on your preferences.
Interfaces
ObserverCallback |
An interface which apps can implement to subscribe to notifications of changes to AppSearch data.
|
Classes
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-05-15 UTC.
[null,null,["Last updated 2025-05-15 UTC."],[],[],null,["# androidx.appsearch.observer\n===========================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/androidx/appsearch/observer/package-summary \"View this page in Kotlin\") \\|Java\n\nInterfaces\n----------\n\n|-----------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------|\n| [ObserverCallback](/reference/androidx/appsearch/observer/ObserverCallback) | An interface which apps can implement to subscribe to notifications of changes to AppSearch data. |\n\nClasses\n-------\n\n|-------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [DocumentChangeInfo](/reference/androidx/appsearch/observer/DocumentChangeInfo) | Contains information about an individual change detected by an [ObserverCallback](/reference/androidx/appsearch/observer/ObserverCallback). |\n| [ObserverSpec](/reference/androidx/appsearch/observer/ObserverSpec) | Configures the types, namespaces and other properties that [ObserverCallback](/reference/androidx/appsearch/observer/ObserverCallback) instances match against. |\n| [ObserverSpec.Builder](/reference/androidx/appsearch/observer/ObserverSpec.Builder) | Builder for [ObserverSpec](/reference/androidx/appsearch/observer/ObserverSpec) instances. |\n| [SchemaChangeInfo](/reference/androidx/appsearch/observer/SchemaChangeInfo) | Contains information about a schema change detected by an [ObserverCallback](/reference/androidx/appsearch/observer/ObserverCallback). |"]]
