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/*
* Copyright (C) 2016 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.os;
import android.annotation.SystemApi;
import android.annotation.TestApi;
/** @hide */
@SystemApi
@TestApi
public interface IHwBinder {
/**
* Process a hwbinder transaction.
*
* @param code interface specific code for interface.
* @param request parceled transaction
* @param reply object to parcel reply into
* @param flags transaction flags to be chosen by wire protocol
*/
public void transact(
int code, HwParcel request, HwParcel reply, int flags)
throws RemoteException;
/**
* Return as IHwInterface instance only if this implements descriptor.
*
* @param descriptor for example foo.bar@1.0::IBaz
*/
public IHwInterface queryLocalInterface(String descriptor);
/**
* Interface for receiving a callback when the process hosting a service
* has gone away.
*/
public interface DeathRecipient {
/**
* Callback for a registered process dying.
*
* @param cookie cookie this death recipient was registered with.
*/
public void serviceDied(long cookie);
}
/**
* Notifies the death recipient with the cookie when the process containing
* this binder dies.
*
* @param recipient callback object to be called on object death.
* @param cookie value to be given to callback on object death.
*/
public boolean linkToDeath(DeathRecipient recipient, long cookie);
/**
* Unregisters the death recipient from this binder.
*
* @param recipient callback to no longer recieve death notifications on this binder.
*/
public boolean unlinkToDeath(DeathRecipient recipient);
}
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