public class ServiceWorkerClient
extends Object



Base class for clients to capture Service Worker related callbacks, see ServiceWorkerController for usage example.

Summary

Public constructors

ServiceWorkerClient()

Public methods

WebResourceResponse shouldInterceptRequest(WebResourceRequest request)

Notify the host application of a resource request and allow the application to return the data.

Inherited methods

From class java.lang.Object

Object clone()

Creates and returns a copy of this object.

boolean equals(Object obj)

Indicates whether some other object is "equal to" this one.

void finalize()

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

final Class<?> getClass()

Returns the runtime class of this Object.

int hashCode()

Returns a hash code value for the object.

final void notify()

Wakes up a single thread that is waiting on this object's monitor.

final void notifyAll()

Wakes up all threads that are waiting on this object's monitor.

String toString()

Returns a string representation of the object.

final void wait(long timeoutMillis, int nanos)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait(long timeoutMillis)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait()

Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

ServiceWorkerClient

public ServiceWorkerClient ()

Public methods

shouldInterceptRequest

public WebResourceResponse shouldInterceptRequest (WebResourceRequest request)

Notify the host application of a resource request and allow the application to return the data. If the return value is null, the Service Worker will continue to load the resource as usual. Otherwise, the return response and data will be used.

Note: This method is called on a thread other than the UI thread so clients should exercise caution when accessing private data or the view system.

Parameters
request WebResourceRequest: Object containing the details of the request.
Returns
WebResourceResponse A WebResourceResponse containing the response information or null if the WebView should load the resource itself.

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Last updated 2026-02-26 UTC.