1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.net.wifi.aware; 18 19 /** 20 * Base class for a listener which is called with the MAC address of the Aware interface whenever 21 * it is changed. Change may be due to device joining a cluster, starting a cluster, or discovery 22 * interface change (addresses are randomized at regular intervals). The implication is that 23 * peers you've been communicating with may no longer recognize you and you need to re-establish 24 * your identity - e.g. by starting a discovery session. This actual MAC address of the 25 * interface may also be useful if the application uses alternative (non-Aware) discovery but needs 26 * to set up a Aware connection. The provided Aware discovery interface MAC address can then be used 27 * in {@link WifiAwareSession#createNetworkSpecifierOpen(int, byte[])} or 28 * {@link WifiAwareSession#createNetworkSpecifierPassphrase(int, byte[], String)}. 29 */ 30 public class IdentityChangedListener { 31 /** 32 * @param mac The MAC address of the Aware discovery interface. The application must have the 33 * {@link android.Manifest.permission#ACCESS_FINE_LOCATION} to get the actual MAC address, 34 * otherwise all 0's will be provided. 35 */ onIdentityChanged(byte[] mac)36 public void onIdentityChanged(byte[] mac) { 37 /* empty */ 38 } 39 } 40