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/*
* Copyright (C) 2021 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 com.android.cts.verifier.companion;
import android.companion.AssociationInfo;
import android.companion.CompanionDeviceService;
import android.util.Log;
import android.widget.Toast;
import java.util.HashSet;
import java.util.Set;
/**
* A Listener for {@link CompanionDeviceServiceTestActivity}.
*/
public class DevicePresenceListener extends CompanionDeviceService {
private static final String LOG_TAG = "CDMServiceTestActivity";
private static final Set<Integer> NEARBY_DEVICES = new HashSet<>();
/**
* Checks if the given association ID is for a device that is nearby.
* A device is considered to be "nearby" if its appearance has been detected previously
* and its disappearance hasn't been reported yet.
* @param associationId association ID of the device to check.
* @return true if device is nearby.
*/
public static boolean isDeviceNearby(int associationId) {
return NEARBY_DEVICES.contains(associationId);
}
@Override
public void onDeviceAppeared(AssociationInfo association) {
NEARBY_DEVICES.add(association.getId());
String message = "Device appeared: " + association.getDeviceMacAddress();
Log.d(LOG_TAG, message);
Toast.makeText(this, message, Toast.LENGTH_LONG).show();
}
@Override
public void onDeviceDisappeared(AssociationInfo association) {
NEARBY_DEVICES.remove(association.getId());
String message = "Device disappeared: " + association.getDeviceMacAddress();
Log.d(LOG_TAG, message);
Toast.makeText(this, message, Toast.LENGTH_LONG).show();
}
}
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