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GlobalSearchSession.RegisterObserverCallback Method

Definition

Namespace:
Android.App.AppSearch
Assembly:
Mono.Android.dll

Adds an ObserverCallback to monitor changes within the databases owned by targetPackageName if they match the given android.app.appsearch.observer.ObserverSpec.

[Android.Runtime.Register("registerObserverCallback", "(Ljava/lang/String;Landroid/app/appsearch/observer/ObserverSpec;Ljava/util/concurrent/Executor;Landroid/app/appsearch/observer/ObserverCallback;)V", "GetRegisterObserverCallback_Ljava_lang_String_Landroid_app_appsearch_observer_ObserverSpec_Ljava_util_concurrent_Executor_Landroid_app_appsearch_observer_ObserverCallback_Handler", ApiSince=33)]
public virtual void RegisterObserverCallback(string targetPackageName, Android.App.AppSearch.Observers.ObserverSpec spec, Java.Util.Concurrent.IExecutor executor, Android.App.AppSearch.Observers.IObserverCallback observer);
[<Android.Runtime.Register("registerObserverCallback", "(Ljava/lang/String;Landroid/app/appsearch/observer/ObserverSpec;Ljava/util/concurrent/Executor;Landroid/app/appsearch/observer/ObserverCallback;)V", "GetRegisterObserverCallback_Ljava_lang_String_Landroid_app_appsearch_observer_ObserverSpec_Ljava_util_concurrent_Executor_Landroid_app_appsearch_observer_ObserverCallback_Handler", ApiSince=33)>]
abstract member RegisterObserverCallback : string * Android.App.AppSearch.Observers.ObserverSpec * Java.Util.Concurrent.IExecutor * Android.App.AppSearch.Observers.IObserverCallback -> unit
override this.RegisterObserverCallback : string * Android.App.AppSearch.Observers.ObserverSpec * Java.Util.Concurrent.IExecutor * Android.App.AppSearch.Observers.IObserverCallback -> unit

Parameters

targetPackageName
String

Package whose changes to monitor

spec
ObserverSpec

Specification of what types of changes to listen for

executor
IExecutor

Executor on which to call the observer callback methods.

observer
IObserverCallback

Callback to trigger when a schema or document changes

Attributes
RegisterAttribute

Remarks

Adds an ObserverCallback to monitor changes within the databases owned by targetPackageName if they match the given android.app.appsearch.observer.ObserverSpec.

The observer callback is only triggered for data that changes after it is registered. No notification about existing data is sent as a result of registering an observer. To find out about existing data, you must use the GlobalSearchSession#search API.

If the data owned by targetPackageName is not visible to you, the registration call will succeed but no notifications will be dispatched. Notifications could start flowing later if targetPackageName changes its schema visibility settings.

If no package matching targetPackageName exists on the system, the registration call will succeed but no notifications will be dispatched. Notifications could start flowing later if targetPackageName is installed and starts indexing data.

Java documentation for android.app.appsearch.GlobalSearchSession.registerObserverCallback(java.lang.String, android.app.appsearch.observer.ObserverSpec, java.util.concurrent.Executor, android.app.appsearch.observer.ObserverCallback).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to