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/*
* Copyright 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.location;
import android.annotation.SystemApi;
import java.util.concurrent.Executor;
/**
* A class for {@link android.hardware.location.ContextHubClient ContextHubClient} to
* receive messages and life-cycle events from nanoapps in the Context Hub at which the client is
* attached to.
*
* This callback is registered through the {@link
* android.hardware.location.ContextHubManager#createClient(
* ContextHubInfo, ContextHubClientCallback, Executor) creation} of
* {@link android.hardware.location.ContextHubClient ContextHubClient}. Callbacks are invoked in
* the following ways:
* 1) Messages from nanoapps delivered through onMessageFromNanoApp may either be broadcasted
* or targeted to a specific client.
* 2) Nanoapp or Context Hub events (the remaining callbacks) are broadcasted to all clients, and
* the client can choose to ignore the event by filtering through the parameters.
*
* @hide
*/
@SystemApi
public class ContextHubClientCallback {
/**
* Callback invoked when receiving a message from a nanoapp.
*
* The message contents of this callback may either be broadcasted or targeted to the
* client receiving the invocation.
*
* @param client the client that is associated with this callback
* @param message the message sent by the nanoapp
*/
public void onMessageFromNanoApp(ContextHubClient client, NanoAppMessage message) {}
/**
* Callback invoked when the attached Context Hub has reset.
*
* @param client the client that is associated with this callback
*/
public void onHubReset(ContextHubClient client) {}
/**
* Callback invoked when a nanoapp aborts at the attached Context Hub.
*
* @param client the client that is associated with this callback
* @param nanoAppId the ID of the nanoapp that had aborted
* @param abortCode the reason for nanoapp's abort, specific to each nanoapp
*/
public void onNanoAppAborted(ContextHubClient client, long nanoAppId, int abortCode) {}
/**
* Callback invoked when a nanoapp is loaded at the attached Context Hub.
*
* @param client the client that is associated with this callback
* @param nanoAppId the ID of the nanoapp that had been loaded
*/
public void onNanoAppLoaded(ContextHubClient client, long nanoAppId) {}
/**
* Callback invoked when a nanoapp is unloaded from the attached Context Hub.
*
* @param client the client that is associated with this callback
* @param nanoAppId the ID of the nanoapp that had been unloaded
*/
public void onNanoAppUnloaded(ContextHubClient client, long nanoAppId) {}
/**
* Callback invoked when a nanoapp is enabled at the attached Context Hub.
*
* @param client the client that is associated with this callback
* @param nanoAppId the ID of the nanoapp that had been enabled
*/
public void onNanoAppEnabled(ContextHubClient client, long nanoAppId) {}
/**
* Callback invoked when a nanoapp is disabled at the attached Context Hub.
*
* @param client the client that is associated with this callback
* @param nanoAppId the ID of the nanoapp that had been disabled
*/
public void onNanoAppDisabled(ContextHubClient client, long nanoAppId) {}
}
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