WifiManager.java revision ebe606fccd9293674273d5f73246e0e8e6e6ddcf
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.net.wifi; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.annotation.SdkConstant; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.annotation.SdkConstant.SdkConstantType; 21ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriffimport android.content.Context; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.net.DhcpInfo; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Binder; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.IBinder; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.RemoteException; 277e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackbornimport android.os.WorkSource; 28227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriffimport android.os.Messenger; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriffimport com.android.internal.util.AsyncChannel; 31ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This class provides the primary API for managing all aspects of Wi-Fi 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * connectivity. Get an instance of this class by calling 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.content.Context#getSystemService(String) Context.getSystemService(Context.WIFI_SERVICE)}. 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It deals with several categories of items: 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>The list of configured networks. The list can be viewed and updated, 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and attributes of individual entries can be modified.</li> 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>The currently active Wi-Fi network, if any. Connectivity can be 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * established or torn down, and dynamic information about the state of 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the network can be queried.</li> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>Results of access point scans, containing enough information to 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * make decisions about what access point to connect to.</li> 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>It defines the names of various Intent actions that are broadcast 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * upon any sort of change in Wi-Fi state. 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is the API to use when performing Wi-Fi specific operations. To 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * perform operations that pertain to network connectivity at an abstract 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * level, use {@link android.net.ConnectivityManager}. 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class WifiManager { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Supplicant error codes: 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The error code if there was a problem authenticating. 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ERROR_AUTHENTICATING = 1; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Broadcast intent action indicating that Wi-Fi has been enabled, disabled, 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * enabling, disabling, or unknown. One extra provides this state as an int. 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Another extra provides the previous state, if available. 67227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_WIFI_STATE 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_PREVIOUS_WIFI_STATE 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String WIFI_STATE_CHANGED_ACTION = 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "android.net.wifi.WIFI_STATE_CHANGED"; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The lookup key for an int that indicates whether Wi-Fi is enabled, 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disabled, enabling, disabling, or unknown. Retrieve it with 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.content.Intent#getIntExtra(String,int)}. 78227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_DISABLED 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_DISABLING 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_ENABLED 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_ENABLING 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_UNKNOWN 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String EXTRA_WIFI_STATE = "wifi_state"; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The previous Wi-Fi state. 88227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_WIFI_STATE 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String EXTRA_PREVIOUS_WIFI_STATE = "previous_wifi_state"; 92227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Wi-Fi is currently being disabled. The state will change to {@link #WIFI_STATE_DISABLED} if 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it finishes successfully. 96227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_CHANGED_ACTION 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getWifiState() 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WIFI_STATE_DISABLING = 0; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Wi-Fi is disabled. 103227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_CHANGED_ACTION 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getWifiState() 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WIFI_STATE_DISABLED = 1; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Wi-Fi is currently being enabled. The state will change to {@link #WIFI_STATE_ENABLED} if 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it finishes successfully. 111227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_CHANGED_ACTION 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getWifiState() 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WIFI_STATE_ENABLING = 2; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Wi-Fi is enabled. 118227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_CHANGED_ACTION 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getWifiState() 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WIFI_STATE_ENABLED = 3; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Wi-Fi is in an unknown state. This state will occur when an error happens while enabling 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or disabling. 126227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #WIFI_STATE_CHANGED_ACTION 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getWifiState() 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WIFI_STATE_UNKNOWN = 4; 1315321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff 1325321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 1335321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Broadcast intent action indicating that Wi-Fi AP has been enabled, disabled, 1345321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * enabling, disabling, or failed. 1355321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1365321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide 1375321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 1385321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff public static final String WIFI_AP_STATE_CHANGED_ACTION = 1395321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff "android.net.wifi.WIFI_AP_STATE_CHANGED"; 1405321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff 1415321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 1425321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * The lookup key for an int that indicates whether Wi-Fi AP is enabled, 1435321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * disabled, enabling, disabling, or failed. Retrieve it with 1445321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * {@link android.content.Intent#getIntExtra(String,int)}. 1455321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1465321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_DISABLED 1475321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_DISABLING 1485321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_ENABLED 1495321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_ENABLING 1505321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_FAILED 1515321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1525321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide 1535321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 1545321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff public static final String EXTRA_WIFI_AP_STATE = "wifi_state"; 1555321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 1565321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * The previous Wi-Fi state. 1575321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1585321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #EXTRA_WIFI_AP_STATE 1595321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1605321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide 1615321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 1625321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff public static final String EXTRA_PREVIOUS_WIFI_AP_STATE = "previous_wifi_state"; 1635321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 1645321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Wi-Fi AP is currently being disabled. The state will change to 1655321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * {@link #WIFI_AP_STATE_DISABLED} if it finishes successfully. 1665321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1675321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_CHANGED_ACTION 1685321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #getWifiApState() 1695321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1705321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide 1715321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 172a2a1b911a31dd94ee75e94845f762b91f1db1368Irfan Sheriff public static final int WIFI_AP_STATE_DISABLING = 10; 1735321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 1745321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Wi-Fi AP is disabled. 1755321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1765321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_CHANGED_ACTION 1775321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #getWifiState() 1785321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1795321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide 1805321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 181a2a1b911a31dd94ee75e94845f762b91f1db1368Irfan Sheriff public static final int WIFI_AP_STATE_DISABLED = 11; 1825321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 1835321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Wi-Fi AP is currently being enabled. The state will change to 1845321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * {@link #WIFI_AP_STATE_ENABLED} if it finishes successfully. 1855321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1865321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_CHANGED_ACTION 1875321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #getWifiApState() 1885321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1895321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide 1905321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 191a2a1b911a31dd94ee75e94845f762b91f1db1368Irfan Sheriff public static final int WIFI_AP_STATE_ENABLING = 12; 1925321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 1935321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Wi-Fi AP is enabled. 1945321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1955321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_CHANGED_ACTION 1965321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #getWifiApState() 1975321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 1985321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide 1995321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 200a2a1b911a31dd94ee75e94845f762b91f1db1368Irfan Sheriff public static final int WIFI_AP_STATE_ENABLED = 13; 2015321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 2025321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Wi-Fi AP is in a failed state. This state will occur when an error occurs during 2035321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * enabling or disabling 2045321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 2055321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #WIFI_AP_STATE_CHANGED_ACTION 2065321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #getWifiApState() 2075321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 2085321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide 2095321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 210a2a1b911a31dd94ee75e94845f762b91f1db1368Irfan Sheriff public static final int WIFI_AP_STATE_FAILED = 14; 2115321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Broadcast intent action indicating that a connection to the supplicant has 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been established (and it is now possible 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to perform Wi-Fi operations) or the connection to the supplicant has been 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * lost. One extra provides the connection state as a boolean, where {@code true} 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * means CONNECTED. 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_SUPPLICANT_CONNECTED 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String SUPPLICANT_CONNECTION_CHANGE_ACTION = 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "android.net.wifi.supplicant.CONNECTION_CHANGE"; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The lookup key for a boolean that indicates whether a connection to 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the supplicant daemon has been gained or lost. {@code true} means 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a connection now exists. 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve it with {@link android.content.Intent#getBooleanExtra(String,boolean)}. 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String EXTRA_SUPPLICANT_CONNECTED = "connected"; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Broadcast intent action indicating that the state of Wi-Fi connectivity 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has changed. One extra provides the new state 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the form of a {@link android.net.NetworkInfo} object. If the new state is 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * CONNECTED, a second extra may provide the BSSID of the access point, 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as a {@code String}. 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_NETWORK_INFO 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_BSSID 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String NETWORK_STATE_CHANGED_ACTION = "android.net.wifi.STATE_CHANGE"; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The lookup key for a {@link android.net.NetworkInfo} object associated with the 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Wi-Fi network. Retrieve with 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.content.Intent#getParcelableExtra(String)}. 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String EXTRA_NETWORK_INFO = "networkInfo"; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The lookup key for a String giving the BSSID of the access point to which 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we are connected. Only present when the new state is CONNECTED. 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve with 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.content.Intent#getStringExtra(String)}. 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String EXTRA_BSSID = "bssid"; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Broadcast intent action indicating that the state of establishing a connection to 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * an access point has changed.One extra provides the new 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SupplicantState}. Note that the supplicant state is Wi-Fi specific, and 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is not generally the most useful thing to look at if you are just interested in 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the overall state of connectivity. 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_NEW_STATE 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_SUPPLICANT_ERROR 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String SUPPLICANT_STATE_CHANGED_ACTION = 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "android.net.wifi.supplicant.STATE_CHANGE"; 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The lookup key for a {@link SupplicantState} describing the new state 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve with 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.content.Intent#getParcelableExtra(String)}. 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String EXTRA_NEW_STATE = "newState"; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The lookup key for a {@link SupplicantState} describing the supplicant 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * error code if any 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve with 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.content.Intent#getIntExtra(String, int)}. 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #ERROR_AUTHENTICATING 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String EXTRA_SUPPLICANT_ERROR = "supplicantError"; 281fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff 282fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff /** 283fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff * Broadcast intent action for reporting errors 284fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff * @hide 285fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff */ 286fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 287fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff public static final String ERROR_ACTION = "android.net.wifi.ERROR"; 288fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff /** 289fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff * The type of error being reported 290fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff * @hide 291fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff */ 292fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff public static final String EXTRA_ERROR_CODE = "errorCode"; 293fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff 294fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff /** 295fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff * Valid error codes 296fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff * @hide 297fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff */ 298fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff public static final int WPS_OVERLAP_ERROR = 1; 299fcb659b66756ac02bd1491ae1365b27e8509a890Irfan Sheriff 300e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff /** 301be9ee6a498afc08df1ca6d796b703b703b25c9a9Irfan Sheriff * Broadcast intent action indicating that the configured networks changed. 302e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * This can be as a result of adding/updating/deleting a network 303e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @hide 304e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff */ 305be9ee6a498afc08df1ca6d796b703b703b25c9a9Irfan Sheriff public static final String CONFIGURED_NETWORKS_CHANGED_ACTION = 306be9ee6a498afc08df1ca6d796b703b703b25c9a9Irfan Sheriff "android.net.wifi.CONFIGURED_NETWORKS_CHANGE"; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An access point scan has completed, and results are available from the supplicant. 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #getScanResults()} to obtain the results. 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String SCAN_RESULTS_AVAILABLE_ACTION = "android.net.wifi.SCAN_RESULTS"; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The RSSI (signal strength) has changed. 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #EXTRA_NEW_RSSI 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String RSSI_CHANGED_ACTION = "android.net.wifi.RSSI_CHANGED"; 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The lookup key for an {@code int} giving the new RSSI in dBm. 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String EXTRA_NEW_RSSI = "newRssi"; 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 325be9ee6a498afc08df1ca6d796b703b703b25c9a9Irfan Sheriff * Broadcast intent action indicating that the link configuration 3260d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * changed on wifi. 3270d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @hide 3280d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff */ 329be9ee6a498afc08df1ca6d796b703b703b25c9a9Irfan Sheriff public static final String LINK_CONFIGURATION_CHANGED_ACTION = 330be9ee6a498afc08df1ca6d796b703b703b25c9a9Irfan Sheriff "android.net.wifi.LINK_CONFIGURATION_CHANGED"; 331f61101f6266be243c481d163b95e65d67b8d1669Wink Saville 3320d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff /** 33337e65ebb7eb932e1a144b1cab262e11ca5fd109bRobert Greenwalt * The lookup key for a {@link android.net.LinkProperties} object associated with the 3340d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * Wi-Fi network. Retrieve with 3350d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * {@link android.content.Intent#getParcelableExtra(String)}. 3360d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @hide 3370d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff */ 33837e65ebb7eb932e1a144b1cab262e11ca5fd109bRobert Greenwalt public static final String EXTRA_LINK_PROPERTIES = "linkProperties"; 3390d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff 3400d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff /** 341f61101f6266be243c481d163b95e65d67b8d1669Wink Saville * The lookup key for a {@link android.net.LinkCapabilities} object associated with the 342f61101f6266be243c481d163b95e65d67b8d1669Wink Saville * Wi-Fi network. Retrieve with 343f61101f6266be243c481d163b95e65d67b8d1669Wink Saville * {@link android.content.Intent#getParcelableExtra(String)}. 344f61101f6266be243c481d163b95e65d67b8d1669Wink Saville * @hide 345f61101f6266be243c481d163b95e65d67b8d1669Wink Saville */ 346f61101f6266be243c481d163b95e65d67b8d1669Wink Saville public static final String EXTRA_LINK_CAPABILITIES = "linkCapabilities"; 347f61101f6266be243c481d163b95e65d67b8d1669Wink Saville 348f61101f6266be243c481d163b95e65d67b8d1669Wink Saville /** 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The network IDs of the configured networks could have changed. 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String NETWORK_IDS_CHANGED_ACTION = "android.net.wifi.NETWORK_IDS_CHANGED"; 35337e65ebb7eb932e1a144b1cab262e11ca5fd109bRobert Greenwalt 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Activity Action: Pick a Wi-Fi network to connect to. 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Input: Nothing. 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Output: Nothing. 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String ACTION_PICK_WIFI_NETWORK = "android.net.wifi.PICK_WIFI_NETWORK"; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 36399001278289036a3c645e599ed832943ff1b6e15Eric Shienbrood * In this Wi-Fi lock mode, Wi-Fi will be kept active, 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and will behave normally, i.e., it will attempt to automatically 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * establish a connection to a remembered access point that is 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * within range, and will do periodic scans if there are remembered 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * access points but none are in range. 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WIFI_MODE_FULL = 1; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 37199001278289036a3c645e599ed832943ff1b6e15Eric Shienbrood * In this Wi-Fi lock mode, Wi-Fi will be kept active, 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but the only operation that will be supported is initiation of 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * scans, and the subsequent reporting of scan results. No attempts 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be made to automatically connect to remembered access points, 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * nor will periodic scans be automatically performed looking for 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * remembered access points. Scans must be explicitly requested by 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * an application in this mode. 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int WIFI_MODE_SCAN_ONLY = 2; 380652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff /** 381652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * In this Wi-Fi lock mode, Wi-Fi will be kept active as in mode 382652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * {@link #WIFI_MODE_FULL} but it operates at high performance 383652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * with minimum packet loss and low packet latency even when 384652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * the device screen is off. This mode will consume more power 385652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * and hence should be used only when there is a need for such 386652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * an active connection. 387652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * <p> 388652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * An example use case is when a voice connection needs to be 389652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * kept active even after the device screen goes off. Holding the 390652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * regular {@link #WIFI_MODE_FULL} lock will keep the wifi 391652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * connection active, but the connection can be lossy. 392652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * Holding a {@link #WIFI_MODE_FULL_HIGH_PERF} lock for the 393652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * duration of the voice call will improve the call quality. 394652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * <p> 395652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * When there is no support from the hardware, this lock mode 396652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * will have the same behavior as {@link #WIFI_MODE_FULL} 397652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff */ 398652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff public static final int WIFI_MODE_FULL_HIGH_PERF = 3; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Anything worse than or equal to this will show 0 bars. */ 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MIN_RSSI = -100; 402652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Anything better than or equal to this will show the max bars. */ 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MAX_RSSI = -55; 40536f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff 40636f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff /** 40736f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * Auto settings in the driver. The driver could choose to operate on both 40836f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * 2.4 GHz and 5 GHz or make a dynamic decision on selecting the band. 40936f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @hide 41036f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff */ 41136f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff public static final int WIFI_FREQUENCY_BAND_AUTO = 0; 41236f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff 41336f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff /** 41436f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * Operation on 5 GHz alone 41536f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @hide 41636f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff */ 41736f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff public static final int WIFI_FREQUENCY_BAND_5GHZ = 1; 41836f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff 41936f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff /** 42036f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * Operation on 2.4 GHz alone 42136f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @hide 42236f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff */ 42336f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff public static final int WIFI_FREQUENCY_BAND_2GHZ = 2; 42436f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff 425227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff /** List of asyncronous notifications 426227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * @hide 427227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff */ 428227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff public static final int DATA_ACTIVITY_NOTIFICATION = 1; 429227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff 430227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff //Lowest bit indicates data reception and the second lowest 431227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff //bit indicates data transmitted 432227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff /** @hide */ 433227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff public static final int DATA_ACTIVITY_NONE = 0x00; 434227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff /** @hide */ 435227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff public static final int DATA_ACTIVITY_IN = 0x01; 436227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff /** @hide */ 437227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff public static final int DATA_ACTIVITY_OUT = 0x02; 438227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff /** @hide */ 439227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff public static final int DATA_ACTIVITY_INOUT = 0x03; 440227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IWifiManager mService; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Handler mHandler; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 444617750604c69e6068f68266d0e30324273aa990eMike Lockwood /* Maximum number of active locks we allow. 445617750604c69e6068f68266d0e30324273aa990eMike Lockwood * This limit was added to prevent apps from creating a ridiculous number 446617750604c69e6068f68266d0e30324273aa990eMike Lockwood * of locks and crashing the system by overflowing the global ref table. 447617750604c69e6068f68266d0e30324273aa990eMike Lockwood */ 448617750604c69e6068f68266d0e30324273aa990eMike Lockwood private static final int MAX_ACTIVE_LOCKS = 50; 449617750604c69e6068f68266d0e30324273aa990eMike Lockwood 450617750604c69e6068f68266d0e30324273aa990eMike Lockwood /* Number of currently active WifiLocks and MulticastLocks */ 451617750604c69e6068f68266d0e30324273aa990eMike Lockwood private int mActiveLockCount; 452617750604c69e6068f68266d0e30324273aa990eMike Lockwood 453ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /* For communication with WifiService */ 454ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff private AsyncChannel mAsyncChannel = new AsyncChannel(); 455ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a new WifiManager instance. 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Applications will almost always want to use 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.content.Context#getSystemService Context.getSystemService()} to retrieve 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the standard {@link android.content.Context#WIFI_SERVICE Context.WIFI_SERVICE}. 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param service the Binder interface 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param handler target for messages 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide - hide this because it takes in a parameter of type IWifiManager, which 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is a system private class. 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public WifiManager(IWifiManager service, Handler handler) { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mService = service; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler = handler; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return a list of all the networks configured in the supplicant. 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Not all fields of WifiConfiguration are returned. Only the following 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * fields are filled in: 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>networkId</li> 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>SSID</li> 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>BSSID</li> 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>priority</li> 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>allowedProtocols</li> 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>allowedKeyManagement</li> 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>allowedAuthAlgorithms</li> 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>allowedPairwiseCiphers</li> 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>allowedGroupCiphers</li> 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a list of network configurations in the form of a list 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of {@link WifiConfiguration} objects. 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public List<WifiConfiguration> getConfiguredNetworks() { 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.getConfiguredNetworks(); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a new network description to the set of configured networks. 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The {@code networkId} field of the supplied configuration object 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is ignored. 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p/> 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The new network will be marked DISABLED by default. To enable it, 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called {@link #enableNetwork}. 504227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config the set of variables that describe the configuration, 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * contained in a {@link WifiConfiguration} object. 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the ID of the newly created network description. This is used in 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * other operations to specified the network to be acted upon. 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns {@code -1} on failure. 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int addNetwork(WifiConfiguration config) { 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (config == null) { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project config.networkId = -1; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return addOrUpdateNetwork(config); 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Update the network description of an existing configured network. 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config the set of variables that describe the configuration, 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * contained in a {@link WifiConfiguration} object. It may 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be sparse, so that only the items that are being changed 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are non-<code>null</code>. The {@code networkId} field 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be set to the ID of the existing network being updated. 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Returns the {@code networkId} of the supplied 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@code WifiConfiguration} on success. 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <br/> 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns {@code -1} on failure, including when the {@code networkId} 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * field of the {@code WifiConfiguration} does not refer to an 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * existing network. 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int updateNetwork(WifiConfiguration config) { 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (config == null || config.networkId < 0) { 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return addOrUpdateNetwork(config); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Internal method for doing the RPC that creates a new network description 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * or updates an existing one. 544227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config The possibly sparse object containing the variables that 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are to set or updated in the network description. 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the ID of the network on success, {@code -1} on failure. 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int addOrUpdateNetwork(WifiConfiguration config) { 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.addOrUpdateNetwork(config); 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Remove the specified network from the list of configured networks. 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This may result in the asynchronous delivery of state change 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * events. 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param netId the integer that identifies the network configuration 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the supplicant 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeded 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean removeNetwork(int netId) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.removeNetwork(netId); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Allow a previously configured network to be associated with. If 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <code>disableOthers</code> is true, then all other configured 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * networks are disabled, and an attempt to connect to the selected 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * network is initiated. This may result in the asynchronous delivery 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of state change events. 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param netId the ID of the network in the list of configured networks 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param disableOthers if true, disable all other networks. The way to 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * select a particular network to connect to is specify {@code true} 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for this parameter. 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeded 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean enableNetwork(int netId, boolean disableOthers) { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.enableNetwork(netId, disableOthers); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disable a configured network. The specified network will not be 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a candidate for associating. This may result in the asynchronous 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * delivery of state change events. 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param netId the ID of the network as returned by {@link #addNetwork}. 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeded 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean disableNetwork(int netId) { 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.disableNetwork(netId); 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disassociate from the currently active access point. This may result 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in the asynchronous delivery of state change events. 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeded 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean disconnect() { 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 615e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff mService.disconnect(); 616e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff return true; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Reconnect to the currently active access point, if we are currently 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * disconnected. This may result in the asynchronous delivery of state 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * change events. 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeded 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean reconnect() { 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 630e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff mService.reconnect(); 631e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff return true; 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Reconnect to the currently active access point, even if we are already 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * connected. This may result in the asynchronous delivery of state 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * change events. 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeded 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean reassociate() { 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 645e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff mService.reassociate(); 646e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff return true; 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Check that the supplicant daemon is responding to requests. 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if we were able to communicate with the supplicant and 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it returned the expected response to the PING message. 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean pingSupplicant() { 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mService == null) 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.pingSupplicant(); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Request a scan for access points. Returns immediately. The availability 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of the results is made known later by means of an asynchronous event sent 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * on completion of the scan. 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeded, i.e., the scan was initiated 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 673a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood public boolean startScan() { 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 675e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff mService.startScan(false); 676e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff return true; 677a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood } catch (RemoteException e) { 678a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood return false; 679a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood } 680a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood } 681a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood 682a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood /** 683a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood * Request a scan for access points. Returns immediately. The availability 684a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood * of the results is made known later by means of an asynchronous event sent 685a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood * on completion of the scan. 686a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood * This is a variant of startScan that forces an active scan, even if passive 687a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood * scans are the current default 688a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood * @return {@code true} if the operation succeeded, i.e., the scan was initiated 689a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood * 690a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood * @hide 691a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood */ 692a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood public boolean startScanActive() { 693a5ec95cdb1a7d2024249277dff1f99d0046c9b56Mike Lockwood try { 694e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff mService.startScan(true); 695e498475b187277309c81b38240c7e71ec049e369Irfan Sheriff return true; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return dynamic information about the current Wi-Fi connection, if any is active. 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the Wi-Fi information, contained in {@link WifiInfo}. 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public WifiInfo getConnectionInfo() { 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.getConnectionInfo(); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the results of the latest access point scan. 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the list of access points found in the most recent scan. 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public List<ScanResult> getScanResults() { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.getScanResults(); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Tell the supplicant to persist the current list of configured networks. 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note: It is possible for this method to change the network IDs of 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * existing networks. You should assume the network IDs can be different 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after calling this method. 731227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeded 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean saveConfiguration() { 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.saveConfiguration(); 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 743ed4f28b492da3ff140bbaabbbda798a08c40ea5bIrfan Sheriff * Set the country code. 744ed4f28b492da3ff140bbaabbbda798a08c40ea5bIrfan Sheriff * @param countryCode country code in ISO 3166 format. 745ed4f28b492da3ff140bbaabbbda798a08c40ea5bIrfan Sheriff * @param persist {@code true} if this needs to be remembered 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 747ed4f28b492da3ff140bbaabbbda798a08c40ea5bIrfan Sheriff * @hide 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 749ed4f28b492da3ff140bbaabbbda798a08c40ea5bIrfan Sheriff public void setCountryCode(String country, boolean persist) { 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 751ed4f28b492da3ff140bbaabbbda798a08c40ea5bIrfan Sheriff mService.setCountryCode(country, persist); 752ed4f28b492da3ff140bbaabbbda798a08c40ea5bIrfan Sheriff } catch (RemoteException e) { } 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 75636f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * Set the operational frequency band. 75736f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @param band One of 75836f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * {@link #WIFI_FREQUENCY_BAND_AUTO}, 75936f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * {@link #WIFI_FREQUENCY_BAND_5GHZ}, 76036f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * {@link #WIFI_FREQUENCY_BAND_2GHZ}, 76136f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @param persist {@code true} if this needs to be remembered 76236f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @hide 76336f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff */ 76436f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff public void setFrequencyBand(int band, boolean persist) { 76536f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff try { 76636f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff mService.setFrequencyBand(band, persist); 76736f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff } catch (RemoteException e) { } 76836f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff } 76936f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff 77036f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff /** 77136f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * Get the operational frequency band. 77236f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @return One of 77336f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * {@link #WIFI_FREQUENCY_BAND_AUTO}, 77436f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * {@link #WIFI_FREQUENCY_BAND_5GHZ}, 77536f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * {@link #WIFI_FREQUENCY_BAND_2GHZ} or 77636f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * {@code -1} on failure. 77736f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @hide 77836f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff */ 77936f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff public int getFrequencyBand() { 78036f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff try { 78136f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff return mService.getFrequencyBand(); 78236f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff } catch (RemoteException e) { 78336f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff return -1; 78436f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff } 78536f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff } 78636f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff 78736f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff /** 78836f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * Check if the chipset supports dual frequency band (2.4 GHz and 5 GHz) 78936f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @return {@code true} if supported, {@code false} otherwise. 79036f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff * @hide 79136f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff */ 79236f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff public boolean isDualBandSupported() { 79336f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff try { 79436f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff return mService.isDualBandSupported(); 79536f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff } catch (RemoteException e) { 79636f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff return false; 79736f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff } 79836f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff } 79936f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff 80036f7413dabfab50699135019ba55151e9227f59dIrfan Sheriff /** 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the DHCP-assigned addresses from the last successful DHCP request, 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if any. 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the DHCP information 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DhcpInfo getDhcpInfo() { 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.getDhcpInfo(); 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enable or disable Wi-Fi. 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param enabled {@code true} to enable, {@code false} to disable. 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if the operation succeeds (or if the existing state 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is the same as the requested state). 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean setWifiEnabled(boolean enabled) { 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.setWifiEnabled(enabled); 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the Wi-Fi enabled state. 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return One of {@link #WIFI_STATE_DISABLED}, 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WIFI_STATE_DISABLING}, {@link #WIFI_STATE_ENABLED}, 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #WIFI_STATE_ENABLING}, {@link #WIFI_STATE_UNKNOWN} 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #isWifiEnabled() 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getWifiState() { 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mService.getWifiEnabledState(); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return WIFI_STATE_UNKNOWN; 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 842227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 844227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * Return whether Wi-Fi is enabled or disabled. 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@code true} if Wi-Fi is enabled 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #getWifiState() 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isWifiEnabled() { 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getWifiState() == WIFI_STATE_ENABLED; 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 851227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Calculates the level of the signal. This should be used any time a signal 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is being shown. 855227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rssi The power of the signal measured in RSSI. 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numLevels The number of levels to consider in the calculated 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * level. 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A level of the signal, given in the range of 0 to numLevels-1 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (both inclusive). 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int calculateSignalLevel(int rssi, int numLevels) { 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rssi <= MIN_RSSI) { 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return 0; 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (rssi >= MAX_RSSI) { 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numLevels - 1; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8684c0d81b8add0372cc7194b17cc6d2bfc58baacd1Daniel Sandler float inputRange = (MAX_RSSI - MIN_RSSI); 8694c0d81b8add0372cc7194b17cc6d2bfc58baacd1Daniel Sandler float outputRange = (numLevels - 1); 8704c0d81b8add0372cc7194b17cc6d2bfc58baacd1Daniel Sandler return (int)((float)(rssi - MIN_RSSI) * outputRange / inputRange); 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 873227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compares two signal strengths. 876227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rssiA The power of the first signal measured in RSSI. 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rssiB The power of the second signal measured in RSSI. 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Returns <0 if the first signal is weaker than the second signal, 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 0 if the two signals have the same strength, and >0 if the first 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * signal is stronger than the second signal. 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static int compareSignalLevel(int rssiA, int rssiB) { 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rssiA - rssiB; 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8885321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Start AccessPoint mode with the specified 8895321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * configuration. If the radio is already running in 8905321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * AP mode, update the new configuration 8915321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Note that starting in access point mode disables station 8925321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * mode operation 8935321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @param wifiConfig SSID, security and channel details as 8945321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * part of WifiConfiguration 8955321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @return {@code true} if the operation succeeds, {@code false} otherwise 8965321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 8975321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide Dont open up yet 8985321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 8995321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff public boolean setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) { 9005321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff try { 9015321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff return mService.setWifiApEnabled(wifiConfig, enabled); 9025321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff } catch (RemoteException e) { 9035321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff return false; 9045321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff } 9055321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff } 9065321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff 9075321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 9085321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Gets the Wi-Fi enabled state. 9095321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @return One of {@link #WIFI_AP_STATE_DISABLED}, 9105321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * {@link #WIFI_AP_STATE_DISABLING}, {@link #WIFI_AP_STATE_ENABLED}, 9115321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * {@link #WIFI_AP_STATE_ENABLING}, {@link #WIFI_AP_STATE_FAILED} 9125321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #isWifiApEnabled() 9135321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 9145321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide Dont open yet 9155321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 9165321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff public int getWifiApState() { 9175321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff try { 9185321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff return mService.getWifiApEnabledState(); 9195321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff } catch (RemoteException e) { 9205321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff return WIFI_AP_STATE_FAILED; 9215321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff } 9225321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff } 9235321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff 9245321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 9255321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * Return whether Wi-Fi AP is enabled or disabled. 9265321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @return {@code true} if Wi-Fi AP is enabled 9275321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @see #getWifiApState() 9285321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * 9295321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff * @hide Dont open yet 9305321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff */ 9315321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff public boolean isWifiApEnabled() { 9325321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff return getWifiApState() == WIFI_AP_STATE_ENABLED; 9335321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff } 9345321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff 9355321aef4a22daef6ed01ed48d936cdd82f2e38b7Irfan Sheriff /** 9369ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff * Gets the Wi-Fi AP Configuration. 9379ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff * @return AP details in WifiConfiguration 9389ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff * 9399ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff * @hide Dont open yet 9409ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff */ 9419ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff public WifiConfiguration getWifiApConfiguration() { 9429ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff try { 9439ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff return mService.getWifiApConfiguration(); 9449ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff } catch (RemoteException e) { 9459ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff return null; 9469ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff } 9479ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff } 9489ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff 9499ab518ad793385f8405edf19363fe825fb64f5f8Irfan Sheriff /** 95017b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff * Sets the Wi-Fi AP Configuration. 95117b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff * @return {@code true} if the operation succeeded, {@code false} otherwise 95217b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff * 95317b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff * @hide Dont open yet 95417b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff */ 95517b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff public boolean setWifiApConfiguration(WifiConfiguration wifiConfig) { 95617b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff try { 95717b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff mService.setWifiApConfiguration(wifiConfig); 95817b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff return true; 95917b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff } catch (RemoteException e) { 96017b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff return false; 96117b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff } 96217b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff } 96317b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff 9640d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff /** 9650d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * Start the driver and connect to network. 9660d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 9670d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * This function will over-ride WifiLock and device idle status. For example, 9680d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * even if the device is idle or there is only a scan-only lock held, 9690d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * a start wifi would mean that wifi connection is kept active until 9700d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * a stopWifi() is sent. 9710d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 9720d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * This API is used by WifiStateTracker 9730d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 9740d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @return {@code true} if the operation succeeds else {@code false} 9750d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @hide 9760d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff */ 9770d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff public boolean startWifi() { 9780d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff try { 9790d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff mService.startWifi(); 9800d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff return true; 9810d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } catch (RemoteException e) { 9820d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff return false; 9830d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } 9840d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } 9850d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff 9860d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff /** 9870d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * Disconnect from a network (if any) and stop the driver. 9880d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 9890d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * This function will over-ride WifiLock and device idle status. Wi-Fi 9900d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * stays inactive until a startWifi() is issued. 9910d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 9920d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * This API is used by WifiStateTracker 9930d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 9940d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @return {@code true} if the operation succeeds else {@code false} 9950d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @hide 9960d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff */ 9970d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff public boolean stopWifi() { 9980d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff try { 9990d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff mService.stopWifi(); 10000d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff return true; 10010d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } catch (RemoteException e) { 10020d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff return false; 10030d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } 10040d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } 10050d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff 10060d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff /** 10070d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * Add a bssid to the supplicant blacklist 10080d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 10090d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * This API is used by WifiWatchdogService 10100d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 10110d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @return {@code true} if the operation succeeds else {@code false} 10120d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @hide 10130d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff */ 10140d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff public boolean addToBlacklist(String bssid) { 10150d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff try { 10160d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff mService.addToBlacklist(bssid); 10170d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff return true; 10180d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } catch (RemoteException e) { 10190d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff return false; 10200d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } 10210d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } 10220d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff 10230d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff /** 10240d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * Clear the supplicant blacklist 10250d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 10260d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * This API is used by WifiWatchdogService 10270d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * 10280d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @return {@code true} if the operation succeeds else {@code false} 10290d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff * @hide 10300d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff */ 10310d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff public boolean clearBlacklist() { 10320d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff try { 10330d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff mService.clearBlacklist(); 10340d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff return true; 10350d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } catch (RemoteException e) { 10360d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff return false; 10370d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } 10380d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff } 10390d25534fed91f636def5776ddc4605005bd7471cIrfan Sheriff 1040e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff /* TODO: deprecate synchronous API and open up the following API */ 1041ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 1042ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /* Commands to WifiService */ 1043ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /** @hide */ 1044ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public static final int CMD_CONNECT_NETWORK = 1; 1045ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /** @hide */ 1046ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public static final int CMD_FORGET_NETWORK = 2; 1047ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /** @hide */ 1048ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public static final int CMD_SAVE_NETWORK = 3; 1049ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /** @hide */ 1050ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public static final int CMD_START_WPS = 4; 1051ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 1052ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /* Events from WifiService */ 1053ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /** @hide */ 1054ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public static final int CMD_WPS_COMPLETED = 11; 1055ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 1056ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /* For system use only */ 1057ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /** @hide */ 1058ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public static final int CMD_ENABLE_TRAFFIC_STATS_POLL = 21; 1059ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /** @hide */ 1060ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public static final int CMD_TRAFFIC_STATS_POLL = 22; 1061ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 1062ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff /** 1063ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff * Initiate an asynchronous channel connection setup 1064ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff * @param srcContext is the context of the source 1065ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff * @param srcHandler is the handler on which the source receives messages 1066ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff * @hide 1067ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff */ 1068ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public void asyncConnect(Context srcContext, Handler srcHandler) { 1069ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff mAsyncChannel.connect(srcContext, srcHandler, getMessenger()); 1070ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff } 1071ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 1072e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff /** 1073e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * Connect to a network with the given configuration. The network also 1074e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * gets added to the supplicant configuration. 1075e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1076e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * For a new network, this function is used instead of a 1077e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * sequence of addNetwork(), enableNetwork(), saveConfiguration() and 1078e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * reconnect() 1079e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1080e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @param config the set of variables that describe the configuration, 1081e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * contained in a {@link WifiConfiguration} object. 1082e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @hide 1083e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff */ 1084e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff public void connectNetwork(WifiConfiguration config) { 1085e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff if (config == null) { 1086e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff return; 1087e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff } 1088ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff mAsyncChannel.sendMessage(CMD_CONNECT_NETWORK, config); 1089e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff } 1090e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff 1091e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff /** 1092e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * Connect to a network with the given networkId. 1093e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1094e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * This function is used instead of a enableNetwork(), saveConfiguration() and 1095e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * reconnect() 1096e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1097e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @param networkId the network id identifiying the network in the 1098e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * supplicant configuration list 1099e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @hide 1100e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff */ 1101e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff public void connectNetwork(int networkId) { 1102e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff if (networkId < 0) { 1103e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff return; 1104e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff } 1105ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff mAsyncChannel.sendMessage(CMD_CONNECT_NETWORK, networkId); 1106e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff } 1107e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff 1108e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff /** 1109e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * Save the given network in the supplicant config. If the network already 1110e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * exists, the configuration is updated. A new network is enabled 1111e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * by default. 1112e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1113e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * For a new network, this function is used instead of a 1114e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * sequence of addNetwork(), enableNetwork() and saveConfiguration(). 1115e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1116e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * For an existing network, it accomplishes the task of updateNetwork() 1117e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * and saveConfiguration() 1118e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1119e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @param config the set of variables that describe the configuration, 1120e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * contained in a {@link WifiConfiguration} object. 1121e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @hide 1122e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff */ 1123e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff public void saveNetwork(WifiConfiguration config) { 1124e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff if (config == null) { 1125e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff return; 1126e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff } 1127ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 1128ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff mAsyncChannel.sendMessage(CMD_SAVE_NETWORK, config); 1129e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff } 1130e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff 1131e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff /** 1132e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * Delete the network in the supplicant config. 1133e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1134e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * This function is used instead of a sequence of removeNetwork() 1135e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * and saveConfiguration(). 1136e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * 1137e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @param config the set of variables that describe the configuration, 1138e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * contained in a {@link WifiConfiguration} object. 1139e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff * @hide 1140e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff */ 1141e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff public void forgetNetwork(int netId) { 1142e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff if (netId < 0) { 1143e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff return; 1144e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff } 1145ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 1146ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff mAsyncChannel.sendMessage(CMD_FORGET_NETWORK, netId); 1147e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff } 1148e04653cbd0e8303eba92088344312b827e6b0babIrfan Sheriff 114917b232b5b59ab91ab543b87e849583678a000f9bIrfan Sheriff /** 115002fb46a297c4f645f2a30b574151401dd0978521Irfan Sheriff * Start Wi-fi Protected Setup 11515ee89800bee7c6c755778795a536e0e2f12b85ffIrfan Sheriff * 115202fb46a297c4f645f2a30b574151401dd0978521Irfan Sheriff * @param config WPS configuration 11535ee89800bee7c6c755778795a536e0e2f12b85ffIrfan Sheriff * @hide 11545ee89800bee7c6c755778795a536e0e2f12b85ffIrfan Sheriff */ 1155ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff public void startWps(WpsConfiguration config) { 1156ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff if (config == null) { 1157ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff return; 1158f235c5ab91b040b88ceb61beb819e15f1b19e9e4Irfan Sheriff } 1159ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff 1160ebe606fccd9293674273d5f73246e0e8e6e6ddcfIrfan Sheriff mAsyncChannel.sendMessage(CMD_START_WPS, config); 1161f235c5ab91b040b88ceb61beb819e15f1b19e9e4Irfan Sheriff } 1162f235c5ab91b040b88ceb61beb819e15f1b19e9e4Irfan Sheriff 1163f235c5ab91b040b88ceb61beb819e15f1b19e9e4Irfan Sheriff /** 1164227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * Get a reference to WifiService handler. This is used by a client to establish 1165227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * an AsyncChannel communication with WifiService 1166227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * 1167227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * @return Messenger pointing to the WifiService handler 1168227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * @hide 1169227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff */ 1170227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff public Messenger getMessenger() { 1171227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff try { 1172227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff return mService.getMessenger(); 1173227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff } catch (RemoteException e) { 1174227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff return null; 1175227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff } 1176227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff } 1177227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff 1178227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff /** 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Allows an application to keep the Wi-Fi radio awake. 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Normally the Wi-Fi radio may turn off when the user has not used the device in a while. 1181227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * Acquiring a WifiLock will keep the radio on until the lock is released. Multiple 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * applications may hold WifiLocks, and the radio will only be allowed to turn off when no 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WifiLocks are held in any application. 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Before using a WifiLock, consider carefully if your application requires Wi-Fi access, or 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * could function over a mobile network, if available. A program that needs to download large 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * files should hold a WifiLock to ensure that the download will complete, but a program whose 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * network usage is occasional or low-bandwidth should not hold a WifiLock to avoid adversely 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * affecting battery life. 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Note that WifiLocks cannot override the user-level "Wi-Fi Enabled" setting, nor Airplane 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mode. They simply keep the radio from turning off when Wi-Fi is already on but the device 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is idle. 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class WifiLock { 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mTag; 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final IBinder mBinder; 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mRefCount; 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mLockType; 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mRefCounted; 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mHeld; 12027e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn private WorkSource mWorkSource; 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private WifiLock(int lockType, String tag) { 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTag = tag; 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockType = lockType; 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBinder = new Binder(); 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRefCount = 0; 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRefCounted = true; 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHeld = false; 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the Wi-Fi radio on until {@link #release} is called. 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If this WifiLock is reference-counted, each call to {@code acquire} will increment the 1217227bec49157bc496f7c9e8e8f63c12728a448922Irfan Sheriff * reference count, and the radio will remain locked as long as the reference count is 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * above zero. 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If this WifiLock is not reference-counted, the first call to {@code acquire} will lock 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the radio, but subsequent calls will be ignored. Only one call to {@link #release} 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will be required, regardless of the number of times that {@code acquire} is called. 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void acquire() { 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mBinder) { 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRefCounted ? (++mRefCount > 0) : (!mHeld)) { 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 12287e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn mService.acquireWifiLock(mBinder, mLockType, mTag, mWorkSource); 1229617750604c69e6068f68266d0e30324273aa990eMike Lockwood synchronized (WifiManager.this) { 1230617750604c69e6068f68266d0e30324273aa990eMike Lockwood if (mActiveLockCount >= MAX_ACTIVE_LOCKS) { 1231617750604c69e6068f68266d0e30324273aa990eMike Lockwood mService.releaseWifiLock(mBinder); 1232617750604c69e6068f68266d0e30324273aa990eMike Lockwood throw new UnsupportedOperationException( 1233617750604c69e6068f68266d0e30324273aa990eMike Lockwood "Exceeded maximum number of wifi locks"); 1234617750604c69e6068f68266d0e30324273aa990eMike Lockwood } 1235617750604c69e6068f68266d0e30324273aa990eMike Lockwood mActiveLockCount++; 1236617750604c69e6068f68266d0e30324273aa990eMike Lockwood } 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException ignore) { 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHeld = true; 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unlocks the Wi-Fi radio, allowing it to turn off when the device is idle. 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If this WifiLock is reference-counted, each call to {@code release} will decrement the 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * reference count, and the radio will be unlocked only when the reference count reaches 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * zero. If the reference count goes below zero (that is, if {@code release} is called 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a greater number of times than {@link #acquire}), an exception is thrown. 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If this WifiLock is not reference-counted, the first call to {@code release} (after 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the radio was locked using {@link #acquire}) will unlock the radio, and subsequent 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calls will be ignored. 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void release() { 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mBinder) { 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRefCounted ? (--mRefCount == 0) : (mHeld)) { 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mService.releaseWifiLock(mBinder); 1261617750604c69e6068f68266d0e30324273aa990eMike Lockwood synchronized (WifiManager.this) { 1262617750604c69e6068f68266d0e30324273aa990eMike Lockwood mActiveLockCount--; 1263617750604c69e6068f68266d0e30324273aa990eMike Lockwood } 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException ignore) { 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHeld = false; 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRefCount < 0) { 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("WifiLock under-locked " + mTag); 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Controls whether this is a reference-counted or non-reference-counted WifiLock. 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Reference-counted WifiLocks keep track of the number of calls to {@link #acquire} and 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #release}, and only allow the radio to sleep when every call to {@link #acquire} 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * has been balanced with a call to {@link #release}. Non-reference-counted WifiLocks 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * lock the radio whenever {@link #acquire} is called and it is unlocked, and unlock the 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * radio whenever {@link #release} is called and it is locked. 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param refCounted true if this WifiLock should keep a reference count 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setReferenceCounted(boolean refCounted) { 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRefCounted = refCounted; 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks whether this WifiLock is currently held. 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if this WifiLock is held, false otherwise 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isHeld() { 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mBinder) { 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mHeld; 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13007e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn public void setWorkSource(WorkSource ws) { 13017e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn synchronized (mBinder) { 13027e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn if (ws != null && ws.size() == 0) { 13037e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn ws = null; 13047e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } 13057e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn boolean changed = true; 13067e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn if (ws == null) { 13077e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn mWorkSource = null; 13087e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } else if (mWorkSource == null) { 13097e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn changed = mWorkSource != null; 13107e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn mWorkSource = new WorkSource(ws); 13117e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } else { 13127e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn changed = mWorkSource.diff(ws); 13137e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn if (changed) { 13147e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn mWorkSource.set(ws); 13157e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } 13167e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } 13177e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn if (changed && mHeld) { 13187e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn try { 13197e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn mService.updateWifiLockWorkSource(mBinder, mWorkSource); 13207e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } catch (RemoteException e) { 13217e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } 13227e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } 13237e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } 13247e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn } 13257e9f4eb2608148436cef36c9969bf8a599b39e72Dianne Hackborn 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s1, s2, s3; 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mBinder) { 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s1 = Integer.toHexString(System.identityHashCode(this)); 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s2 = mHeld ? "held; " : ""; 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRefCounted) { 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s3 = "refcounted: refcount = " + mRefCount; 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s3 = "not refcounted"; 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "WifiLock{ " + s1 + "; " + s2 + s3 + " }"; 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() throws Throwable { 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.finalize(); 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mBinder) { 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHeld) { 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mService.releaseWifiLock(mBinder); 1347617750604c69e6068f68266d0e30324273aa990eMike Lockwood synchronized (WifiManager.this) { 1348617750604c69e6068f68266d0e30324273aa990eMike Lockwood mActiveLockCount--; 1349617750604c69e6068f68266d0e30324273aa990eMike Lockwood } 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException ignore) { 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new WifiLock. 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13605876a4273e67271f0eca607af9520f7e5abbe4f3Irfan Sheriff * @param lockType the type of lock to create. See {@link #WIFI_MODE_FULL}, 1361652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * {@link #WIFI_MODE_FULL_HIGH_PERF} and {@link #WIFI_MODE_SCAN_ONLY} for 1362652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * descriptions of the types of Wi-Fi locks. 1363652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * @param tag a tag for the WifiLock to identify it in debugging messages. This string is 1364652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff * never shown to the user under normal conditions, but should be descriptive 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * enough to identify your application and the specific WifiLock within it, if it 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * holds multiple WifiLocks. 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a new, unacquired WifiLock with the given tag. 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see WifiLock 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public WifiLock createWifiLock(int lockType, String tag) { 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new WifiLock(lockType, tag); 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1375652bc96444b0a82d34e6c3766b7862effac11adbIrfan Sheriff 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a new WifiLock. 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tag a tag for the WifiLock to identify it in debugging messages. This string is 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * never shown to the user under normal conditions, but should be descriptive 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * enough to identify your application and the specific WifiLock within it, if it 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * holds multiple WifiLocks. 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a new, unacquired WifiLock with the given tag. 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see WifiLock 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public WifiLock createWifiLock(String tag) { 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new WifiLock(WIFI_MODE_FULL, tag); 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13915347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt 1392fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt 13935347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt /** 1394fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Create a new MulticastLock 13955347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt * 1396fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * @param tag a tag for the MulticastLock to identify it in debugging 139741c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * messages. This string is never shown to the user under 139841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * normal conditions, but should be descriptive enough to 139941c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * identify your application and the specific MulticastLock 140041c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * within it, if it holds multiple MulticastLocks. 14015347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt * 1402fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * @return a new, unacquired MulticastLock with the given tag. 1403fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * 1404fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * @see MulticastLock 14055347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt */ 1406fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt public MulticastLock createMulticastLock(String tag) { 1407fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt return new MulticastLock(tag); 14085347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt } 14095347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt 14105347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt /** 1411fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Allows an application to receive Wifi Multicast packets. 1412fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Normally the Wifi stack filters out packets not explicitly 1413fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * addressed to this device. Acquring a MulticastLock will 1414fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * cause the stack to receive packets addressed to multicast 1415fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * addresses. Processing these extra packets can cause a noticable 141641c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * battery drain and should be disabled when not needed. 14175347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt */ 1418fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt public class MulticastLock { 1419fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt private String mTag; 1420fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt private final IBinder mBinder; 142141c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt private int mRefCount; 142241c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt private boolean mRefCounted; 1423fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt private boolean mHeld; 1424fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt 1425fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt private MulticastLock(String tag) { 1426fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt mTag = tag; 1427fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt mBinder = new Binder(); 142841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt mRefCount = 0; 142941c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt mRefCounted = true; 1430fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt mHeld = false; 1431fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1432fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt 1433fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt /** 1434fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Locks Wifi Multicast on until {@link #release} is called. 1435fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * 143641c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * If this MulticastLock is reference-counted each call to 143741c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * {@code acquire} will increment the reference count, and the 143841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * wifi interface will receive multicast packets as long as the 143941c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * reference count is above zero. 144041c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * 144141c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * If this MulticastLock is not reference-counted, the first call to 144241c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * {@code acquire} will turn on the multicast packets, but subsequent 144341c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * calls will be ignored. Only one call to {@link #release} will 144441c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * be required, regardless of the number of times that {@code acquire} 144541c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * is called. 1446fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * 1447fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Note that other applications may also lock Wifi Multicast on. 1448fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Only they can relinquish their lock. 1449fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * 1450fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Also note that applications cannot leave Multicast locked on. 1451fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * When an app exits or crashes, any Multicast locks will be released. 1452fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt */ 1453fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt public void acquire() { 1454fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt synchronized (mBinder) { 145541c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt if (mRefCounted ? (++mRefCount > 0) : (!mHeld)) { 1456fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt try { 1457fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt mService.acquireMulticastLock(mBinder, mTag); 1458617750604c69e6068f68266d0e30324273aa990eMike Lockwood synchronized (WifiManager.this) { 1459617750604c69e6068f68266d0e30324273aa990eMike Lockwood if (mActiveLockCount >= MAX_ACTIVE_LOCKS) { 1460617750604c69e6068f68266d0e30324273aa990eMike Lockwood mService.releaseMulticastLock(); 1461617750604c69e6068f68266d0e30324273aa990eMike Lockwood throw new UnsupportedOperationException( 1462617750604c69e6068f68266d0e30324273aa990eMike Lockwood "Exceeded maximum number of wifi locks"); 1463617750604c69e6068f68266d0e30324273aa990eMike Lockwood } 1464617750604c69e6068f68266d0e30324273aa990eMike Lockwood mActiveLockCount++; 1465617750604c69e6068f68266d0e30324273aa990eMike Lockwood } 1466fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } catch (RemoteException ignore) { 1467fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 146841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt mHeld = true; 1469fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1470fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1471fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1472fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt 1473fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt /** 1474fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Unlocks Wifi Multicast, restoring the filter of packets 1475fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * not addressed specifically to this device and saving power. 1476fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * 147741c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * If this MulticastLock is reference-counted, each call to 147841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * {@code release} will decrement the reference count, and the 147941c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * multicast packets will only stop being received when the reference 148041c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * count reaches zero. If the reference count goes below zero (that 148141c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * is, if {@code release} is called a greater number of times than 148241c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * {@link #acquire}), an exception is thrown. 148341c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * 148441c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * If this MulticastLock is not reference-counted, the first call to 148541c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * {@code release} (after the radio was multicast locked using 14864a51c20ce607c74914f90fd897f04080121ac13bDianne Hackborn * {@link #acquire}) will unlock the multicast, and subsequent calls 148741c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * will be ignored. 148841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * 1489fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Note that if any other Wifi Multicast Locks are still outstanding 1490fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * this {@code release} call will not have an immediate effect. Only 1491fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * when all applications have released all their Multicast Locks will 1492fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * the Multicast filter be turned back on. 1493fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * 1494fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Also note that when an app exits or crashes all of its Multicast 1495fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Locks will be automatically released. 1496fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt */ 1497fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt public void release() { 1498fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt synchronized (mBinder) { 149941c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt if (mRefCounted ? (--mRefCount == 0) : (mHeld)) { 1500fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt try { 1501fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt mService.releaseMulticastLock(); 1502617750604c69e6068f68266d0e30324273aa990eMike Lockwood synchronized (WifiManager.this) { 1503617750604c69e6068f68266d0e30324273aa990eMike Lockwood mActiveLockCount--; 1504617750604c69e6068f68266d0e30324273aa990eMike Lockwood } 1505fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } catch (RemoteException ignore) { 1506fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 150741c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt mHeld = false; 150841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt } 150941c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt if (mRefCount < 0) { 151041c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt throw new RuntimeException("MulticastLock under-locked " 151141c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt + mTag); 1512fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1513fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1514fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1515fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt 1516fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt /** 151741c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * Controls whether this is a reference-counted or non-reference- 151841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * counted MulticastLock. 151941c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * 152041c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * Reference-counted MulticastLocks keep track of the number of calls 152141c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * to {@link #acquire} and {@link #release}, and only stop the 152241c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * reception of multicast packets when every call to {@link #acquire} 152341c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * has been balanced with a call to {@link #release}. Non-reference- 152441c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * counted MulticastLocks allow the reception of multicast packets 152541c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * whenever {@link #acquire} is called and stop accepting multicast 152641c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * packets whenever {@link #release} is called. 152741c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * 152841c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * @param refCounted true if this MulticastLock should keep a reference 152941c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt * count 153041c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt */ 153141c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt public void setReferenceCounted(boolean refCounted) { 153241c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt mRefCounted = refCounted; 153341c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt } 153441c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt 153541c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt /** 1536fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Checks whether this MulticastLock is currently held. 1537fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * 1538fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * @return true if this MulticastLock is held, false otherwise 1539fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt */ 1540fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt public boolean isHeld() { 1541fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt synchronized (mBinder) { 1542fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt return mHeld; 1543fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1544fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1545fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt 1546fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt public String toString() { 154741c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt String s1, s2, s3; 1548fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt synchronized (mBinder) { 1549fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt s1 = Integer.toHexString(System.identityHashCode(this)); 1550fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt s2 = mHeld ? "held; " : ""; 155141c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt if (mRefCounted) { 155241c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt s3 = "refcounted: refcount = " + mRefCount; 155341c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt } else { 155441c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt s3 = "not refcounted"; 155541c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt } 155641c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt return "MulticastLock{ " + s1 + "; " + s2 + s3 + " }"; 1557fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1558fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt } 1559fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt 1560fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt @Override 1561fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt protected void finalize() throws Throwable { 1562fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt super.finalize(); 156341c104339951e0e5e78240e1f48455c21b3ba5fdRobert Greenwalt setReferenceCounted(false); 1564fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt release(); 15655347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt } 15665347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt } 15675347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt 15685347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt /** 1569fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * Check multicast filter status. 15705347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt * 1571fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt * @return true if multicast packets are allowed. 15725347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt * 15735347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt * @hide pending API council approval 15745347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt */ 1575fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt public boolean isMulticastEnabled() { 15765347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt try { 1577fc1b15cfbfc5f69235ec1f367abd7a909381cd05Robert Greenwalt return mService.isMulticastEnabled(); 15785347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt } catch (RemoteException e) { 15795347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt return false; 15805347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt } 15815347bd4cda2b6afc18f8acab48e52131f35ed13cRobert Greenwalt } 1582e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt 1583e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt /** 1584e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt * Initialize the multicast filtering to 'on' 1585e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt * @hide no intent to publish 1586e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt */ 1587e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt public boolean initializeMulticastFiltering() { 1588e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt try { 1589e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt mService.initializeMulticastFiltering(); 1590e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt return true; 1591e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt } catch (RemoteException e) { 1592e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt return false; 1593e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt } 1594e2d155a51e68694e17fa6e27d05c928215a5dbcfRobert Greenwalt } 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1596