| /* |
| * 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(); |
| } |
| } |