1bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly/* 2bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * Copyright (C) 2009 The Android Open Source Project 3bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 4bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * Licensed under the Apache License, Version 2.0 (the "License"); 5bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * you may not use this file except in compliance with the License. 6bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * You may obtain a copy of the License at 7bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 8bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * http://www.apache.org/licenses/LICENSE-2.0 9bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 10bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * Unless required by applicable law or agreed to in writing, software 11bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * distributed under the License is distributed on an "AS IS" BASIS, 12bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * See the License for the specific language governing permissions and 14bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * limitations under the License. 15bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 16bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 17bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pellypackage android.bluetooth; 18bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 19de893f550301a60274e87aa8168225e7a7a42184Nick Pellyimport android.annotation.SdkConstant; 20de893f550301a60274e87aa8168225e7a7a42184Nick Pellyimport android.annotation.SdkConstant.SdkConstantType; 2124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pellyimport android.os.Binder; 2224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pellyimport android.os.Handler; 23f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pellyimport android.os.IBinder; 2424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pellyimport android.os.Message; 25aef439e6f825c0cb99a2ac08c8207f48b7a9fe10Nick Pellyimport android.os.ParcelUuid; 26bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pellyimport android.os.RemoteException; 27f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pellyimport android.os.ServiceManager; 28bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pellyimport android.util.Log; 29bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 30bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pellyimport java.io.IOException; 31bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pellyimport java.util.Collections; 32bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pellyimport java.util.HashSet; 3324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pellyimport java.util.LinkedList; 3424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pellyimport java.util.Random; 3524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pellyimport java.util.Set; 3616fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pellyimport java.util.UUID; 37bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 38bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly/** 399fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * Represents the local device Bluetooth adapter. The {@link BluetoothAdapter} 409fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * lets you perform fundamental Bluetooth tasks, such as initiate 419fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * device discovery, query a list of bonded (paired) devices, 429fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * instantiate a {@link BluetoothDevice} using a known MAC address, and create 439fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * a {@link BluetoothServerSocket} to listen for connection requests from other 449fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * devices. 45bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 469fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * <p>To get a {@link BluetoothAdapter} representing the local Bluetooth 479fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * adapter, call the static {@link #getDefaultAdapter} method. 489fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * Fundamentally, this is your starting point for all 499fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * Bluetooth actions. Once you have the local adapter, you can get a set of 509fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * {@link BluetoothDevice} objects representing all paired devices with 519fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * {@link #getBondedDevices()}; start device discovery with 529fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * {@link #startDiscovery()}; or create a {@link BluetoothServerSocket} to 539fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * listen for incoming connection requests with 549fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * {@link #listenUsingRfcommWithServiceRecord(String,UUID)}. 5545e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * 569fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * <p class="note"><strong>Note:</strong> 579fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * Most methods require the {@link android.Manifest.permission#BLUETOOTH} 589fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * permission and some also require the 599fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission. 609fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * 619fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * {@see BluetoothDevice} 629fab0aef19a4633d2e4670564e5d7ae9e52fe11fScott Main * {@see BluetoothServerSocket} 63bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 64bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pellypublic final class BluetoothAdapter { 65bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly private static final String TAG = "BluetoothAdapter"; 66af21fa61c2158fa2a693d98bb281abd56e658b40Jaikumar Ganesh private static final boolean DBG = false; 67bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 68de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 69b24e11baac589fe16426f2d243b460ab84991c7bNick Pelly * Sentinel error value for this class. Guaranteed to not equal any other 70b24e11baac589fe16426f2d243b460ab84991c7bNick Pelly * integer constant in this class. Provided as a convenience for functions 71b24e11baac589fe16426f2d243b460ab84991c7bNick Pelly * that require a sentinel error value, for example: 72b24e11baac589fe16426f2d243b460ab84991c7bNick Pelly * <p><code>Intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, 73b24e11baac589fe16426f2d243b460ab84991c7bNick Pelly * BluetoothAdapter.ERROR)</code> 74b24e11baac589fe16426f2d243b460ab84991c7bNick Pelly */ 75005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final int ERROR = Integer.MIN_VALUE; 76b24e11baac589fe16426f2d243b460ab84991c7bNick Pelly 77b24e11baac589fe16426f2d243b460ab84991c7bNick Pelly /** 78de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Broadcast Action: The state of the local Bluetooth adapter has been 79de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * changed. 80de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>For example, Bluetooth has been turned on or off. 81005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Always contains the extra fields {@link #EXTRA_STATE} and {@link 82de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * #EXTRA_PREVIOUS_STATE} containing the new and old states 83de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * respectively. 84de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 85de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 86de893f550301a60274e87aa8168225e7a7a42184Nick Pelly @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 87de893f550301a60274e87aa8168225e7a7a42184Nick Pelly public static final String ACTION_STATE_CHANGED = 88005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly "android.bluetooth.adapter.action.STATE_CHANGED"; 89bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 90de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 91de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Used as an int extra field in {@link #ACTION_STATE_CHANGED} 92de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * intents to request the current power state. Possible values are: 93de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_OFF}, 94de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_TURNING_ON}, 95de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_ON}, 96de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_TURNING_OFF}, 97de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 98de893f550301a60274e87aa8168225e7a7a42184Nick Pelly public static final String EXTRA_STATE = 99005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly "android.bluetooth.adapter.extra.STATE"; 100de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 101de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Used as an int extra field in {@link #ACTION_STATE_CHANGED} 102de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * intents to request the previous power state. Possible values are: 103de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_OFF}, 104de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_TURNING_ON}, 105de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_ON}, 106de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_TURNING_OFF}, 107de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 108de893f550301a60274e87aa8168225e7a7a42184Nick Pelly public static final String EXTRA_PREVIOUS_STATE = 109005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly "android.bluetooth.adapter.extra.PREVIOUS_STATE"; 110de893f550301a60274e87aa8168225e7a7a42184Nick Pelly 111de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 112de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Indicates the local Bluetooth adapter is off. 113de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 114005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final int STATE_OFF = 10; 115de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 116de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Indicates the local Bluetooth adapter is turning on. However local 117de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * clients should wait for {@link #STATE_ON} before attempting to 118de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * use the adapter. 119de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 120005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final int STATE_TURNING_ON = 11; 121de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 122de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Indicates the local Bluetooth adapter is on, and ready for use. 123de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 124005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final int STATE_ON = 12; 125de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 126de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Indicates the local Bluetooth adapter is turning off. Local clients 127de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * should immediately attempt graceful disconnection of any remote links. 128de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 129005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final int STATE_TURNING_OFF = 13; 130de893f550301a60274e87aa8168225e7a7a42184Nick Pelly 131de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 13218b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * Activity Action: Show a system activity that requests discoverable mode. 1336d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * This activity will also request the user to turn on Bluetooth if it 1341acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * is not currently enabled. 13518b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * <p>Discoverable mode is equivalent to {@link 13618b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * #SCAN_MODE_CONNECTABLE_DISCOVERABLE}. It allows remote devices to see 13718b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * this Bluetooth adapter when they perform a discovery. 1386d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * <p>For privacy, Android is not discoverable by default. 1396d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * <p>The sender of this Intent can optionally use extra field {@link 14018b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * #EXTRA_DISCOVERABLE_DURATION} to request the duration of 14118b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * discoverability. Currently the default duration is 120 seconds, and 14218b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * maximum duration is capped at 300 seconds for each request. 14318b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * <p>Notification of the result of this activity is posted using the 14418b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * {@link android.app.Activity#onActivityResult} callback. The 14518b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * <code>resultCode</code> 146cdd2864eb340fe46a97f4991f3949db1196bdde8Michael Chan * will be the duration (in seconds) of discoverability or 147cdd2864eb340fe46a97f4991f3949db1196bdde8Michael Chan * {@link android.app.Activity#RESULT_CANCELED} if the user rejected 148cdd2864eb340fe46a97f4991f3949db1196bdde8Michael Chan * discoverability or an error has occurred. 14918b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * <p>Applications can also listen for {@link #ACTION_SCAN_MODE_CHANGED} 1506d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * for global notification whenever the scan mode changes. For example, an 1516d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * application can be notified when the device has ended discoverability. 1521acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 15318b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly */ 15418b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 15518b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly public static final String ACTION_REQUEST_DISCOVERABLE = 15618b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly "android.bluetooth.adapter.action.REQUEST_DISCOVERABLE"; 15718b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly 15818b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly /** 15918b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * Used as an optional int extra field in {@link 16018b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * #ACTION_REQUEST_DISCOVERABLE} intents to request a specific duration 16118b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * for discoverability in seconds. The current default is 120 seconds, and 16218b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * requests over 300 seconds will be capped. These values could change. 16318b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly */ 16418b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly public static final String EXTRA_DISCOVERABLE_DURATION = 16518b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly "android.bluetooth.adapter.extra.DISCOVERABLE_DURATION"; 16618b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly 16718b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly /** 1681acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * Activity Action: Show a system activity that allows the user to turn on 1691acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * Bluetooth. 1701acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * <p>This system activity will return once Bluetooth has completed turning 1711acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * on, or the user has decided not to turn Bluetooth on. 1721acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * <p>Notification of the result of this activity is posted using the 1731acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * {@link android.app.Activity#onActivityResult} callback. The 1741acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * <code>resultCode</code> 175cdd2864eb340fe46a97f4991f3949db1196bdde8Michael Chan * will be {@link android.app.Activity#RESULT_OK} if Bluetooth has been 176cdd2864eb340fe46a97f4991f3949db1196bdde8Michael Chan * turned on or {@link android.app.Activity#RESULT_CANCELED} if the user 177cdd2864eb340fe46a97f4991f3949db1196bdde8Michael Chan * has rejected the request or an error has occurred. 1781acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * <p>Applications can also listen for {@link #ACTION_STATE_CHANGED} 1791acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * for global notification whenever Bluetooth is turned on or off. 1801acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 1811acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly */ 1821acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) 1831acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly public static final String ACTION_REQUEST_ENABLE = 1841acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly "android.bluetooth.adapter.action.REQUEST_ENABLE"; 1851acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly 1861acdcc1a508c00dc31751a2a2eef539a59cb21ceNick Pelly /** 187de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Broadcast Action: Indicates the Bluetooth scan mode of the local Adapter 188de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * has changed. 189005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Always contains the extra fields {@link #EXTRA_SCAN_MODE} and {@link 190de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * #EXTRA_PREVIOUS_SCAN_MODE} containing the new and old scan modes 191de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * respectively. 192de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 193de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 194de893f550301a60274e87aa8168225e7a7a42184Nick Pelly @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 195de893f550301a60274e87aa8168225e7a7a42184Nick Pelly public static final String ACTION_SCAN_MODE_CHANGED = 196005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly "android.bluetooth.adapter.action.SCAN_MODE_CHANGED"; 197de893f550301a60274e87aa8168225e7a7a42184Nick Pelly 198de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 199de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Used as an int extra field in {@link #ACTION_SCAN_MODE_CHANGED} 200de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * intents to request the current scan mode. Possible values are: 201de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_NONE}, 202de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_CONNECTABLE}, 203de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}, 204de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 205005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final String EXTRA_SCAN_MODE = "android.bluetooth.adapter.extra.SCAN_MODE"; 206de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 207de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Used as an int extra field in {@link #ACTION_SCAN_MODE_CHANGED} 208de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * intents to request the previous scan mode. Possible values are: 209de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_NONE}, 210de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_CONNECTABLE}, 211de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}, 212de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 213de893f550301a60274e87aa8168225e7a7a42184Nick Pelly public static final String EXTRA_PREVIOUS_SCAN_MODE = 214005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly "android.bluetooth.adapter.extra.PREVIOUS_SCAN_MODE"; 215de893f550301a60274e87aa8168225e7a7a42184Nick Pelly 216de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 217de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Indicates that both inquiry scan and page scan are disabled on the local 218de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Bluetooth adapter. Therefore this device is neither discoverable 219de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * nor connectable from remote Bluetooth devices. 220de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 221005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final int SCAN_MODE_NONE = 20; 222de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 223de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Indicates that inquiry scan is disabled, but page scan is enabled on the 224de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * local Bluetooth adapter. Therefore this device is not discoverable from 225de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * remote Bluetooth devices, but is connectable from remote devices that 226de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * have previously discovered this device. 227de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 228005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final int SCAN_MODE_CONNECTABLE = 21; 229de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 230de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Indicates that both inquiry scan and page scan are enabled on the local 231de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Bluetooth adapter. Therefore this device is both discoverable and 232de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * connectable from remote Bluetooth devices. 233de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 234005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final int SCAN_MODE_CONNECTABLE_DISCOVERABLE = 23; 235005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly 236005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly 237005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly /** 238005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Broadcast Action: The local Bluetooth adapter has started the remote 239005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * device discovery process. 240005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>This usually involves an inquiry scan of about 12 seconds, followed 241005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * by a page scan of each new device to retrieve its Bluetooth name. 242005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Register for {@link BluetoothDevice#ACTION_FOUND} to be notified as 243005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * remote Bluetooth devices are found. 244005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Device discovery is a heavyweight procedure. New connections to 245005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * remote Bluetooth devices should not be attempted while discovery is in 246005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * progress, and existing connections will experience limited bandwidth 247005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * and high latency. Use {@link #cancelDiscovery()} to cancel an ongoing 248005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * discovery. 249005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 250005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly */ 251005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 252005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final String ACTION_DISCOVERY_STARTED = 253005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly "android.bluetooth.adapter.action.DISCOVERY_STARTED"; 254005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly /** 255005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Broadcast Action: The local Bluetooth adapter has finished the device 256005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * discovery process. 257005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 258005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly */ 259005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 260005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final String ACTION_DISCOVERY_FINISHED = 261005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly "android.bluetooth.adapter.action.DISCOVERY_FINISHED"; 262005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly 263005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly /** 264005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Broadcast Action: The local Bluetooth adapter has changed its friendly 265005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Bluetooth name. 266005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>This name is visible to remote Bluetooth devices. 267005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Always contains the extra field {@link #EXTRA_LOCAL_NAME} containing 268005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * the name. 269005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} to receive. 270005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly */ 271005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 272005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final String ACTION_LOCAL_NAME_CHANGED = 273005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly "android.bluetooth.adapter.action.LOCAL_NAME_CHANGED"; 274005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly /** 275005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Used as a String extra field in {@link #ACTION_LOCAL_NAME_CHANGED} 276005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * intents to request the local Bluetooth name. 277005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly */ 278005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static final String EXTRA_LOCAL_NAME = "android.bluetooth.adapter.extra.LOCAL_NAME"; 279bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 280f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly /** @hide */ 281f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly public static final String BLUETOOTH_SERVICE = "bluetooth"; 282f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly 283005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly private static final int ADDRESS_LENGTH = 17; 284bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 285f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly /** 286f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * Lazyily initialized singleton. Guaranteed final after first object 287f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * constructed. 288f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly */ 289f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly private static BluetoothAdapter sAdapter; 290f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly 291bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly private final IBluetooth mService; 292bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 293bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 294f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * Get a handle to the default local Bluetooth adapter. 295f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * <p>Currently Android only supports one Bluetooth adapter, but the API 296f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * could be extended to support more. This will always return the default 297f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * adapter. 298f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * @return the default local adapter, or null if Bluetooth is not supported 299f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * on this hardware platform 300f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly */ 301f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly public static synchronized BluetoothAdapter getDefaultAdapter() { 302f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly if (sAdapter == null) { 303f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly IBinder b = ServiceManager.getService(BluetoothAdapter.BLUETOOTH_SERVICE); 304f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly if (b != null) { 305f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly IBluetooth service = IBluetooth.Stub.asInterface(b); 306f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly sAdapter = new BluetoothAdapter(service); 307f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly } 308f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly } 309f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly return sAdapter; 310f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly } 311f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly 312f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly /** 313f242b7b931898856bcbcb7ec36cacf43098ba544Nick Pelly * Use {@link #getDefaultAdapter} to get the BluetoothAdapter instance. 314bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * @hide 315bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 316bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public BluetoothAdapter(IBluetooth service) { 317bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly if (service == null) { 318bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly throw new IllegalArgumentException("service is null"); 319bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 320bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly mService = service; 321bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 322bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 323bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 32445e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * Get a {@link BluetoothDevice} object for the given Bluetooth hardware 32545e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * address. 32645e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * <p>Valid Bluetooth hardware addresses must be upper case, in a format 327005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * such as "00:11:22:33:AA:BB". The helper {@link #checkBluetoothAddress} is 328005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * available to validate a Bluetooth address. 32945e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * <p>A {@link BluetoothDevice} will always be returned for a valid 33045e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * hardware address, even if this adapter has never seen that device. 331de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * 332bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * @param address valid Bluetooth MAC address 33345e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * @throws IllegalArgumentException if address is invalid 334bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 335bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public BluetoothDevice getRemoteDevice(String address) { 336bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return new BluetoothDevice(address); 337bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 338bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 339bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 340de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Return true if Bluetooth is currently enabled and ready for use. 341de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Equivalent to: 342de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <code>getBluetoothState() == STATE_ON</code> 343de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 344bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 345de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return true if the local adapter is turned on 346bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 347bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public boolean isEnabled() { 348bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 349bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.isEnabled(); 350bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 351bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return false; 352bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 353bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 354bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 355de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Get the current state of the local Bluetooth adapter. 356de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Possible return values are 357de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_OFF}, 358de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_TURNING_ON}, 359de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_ON}, 360de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #STATE_TURNING_OFF}. 361de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 362bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 363de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return current state of Bluetooth adapter 364bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 365de893f550301a60274e87aa8168225e7a7a42184Nick Pelly public int getState() { 366bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 367bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.getBluetoothState(); 368bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 369de893f550301a60274e87aa8168225e7a7a42184Nick Pelly return STATE_OFF; 370bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 371bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 372bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 373ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * Turn on the local Bluetooth adapter—do not use without explicit 374ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * user action to turn on Bluetooth. 375de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>This powers on the underlying Bluetooth hardware, and starts all 376de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Bluetooth system services. 377ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * <p class="caution"><strong>Bluetooth should never be enabled without 378ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * direct user consent</strong>. If you want to turn on Bluetooth in order 379ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * to create a wireless connection, you should use the {@link 380ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * #ACTION_REQUEST_ENABLE} Intent, which will raise a dialog that requests 381ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * user permission to turn on Bluetooth. The {@link #enable()} method is 382ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * provided only for applications that include a user interface for changing 383ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * system settings, such as a "power manager" app.</p> 3843219ab4de27cd40b2149b0dd13edd412efe40244Brad Fitzpatrick * <p>This is an asynchronous call: it will return immediately, and 385de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * clients should listen for {@link #ACTION_STATE_CHANGED} 386de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * to be notified of subsequent adapter state changes. If this call returns 387de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * true, then the adapter state will immediately transition from {@link 388de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * #STATE_OFF} to {@link #STATE_TURNING_ON}, and some time 389de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * later transition to either {@link #STATE_OFF} or {@link 390de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * #STATE_ON}. If this call returns false then there was an 391de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * immediate problem that will prevent the adapter from being turned on - 392de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * such as Airplane mode, or the adapter is already turned on. 393ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * <p>Requires the {@link android.Manifest.permission#BLUETOOTH_ADMIN} 394ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * permission 395de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * 396de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return true to indicate adapter startup has begun, or false on 397de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * immediate error 398bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 399bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public boolean enable() { 400bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 401bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.enable(); 402bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 403bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return false; 404bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 405bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 406bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 407ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * Turn off the local Bluetooth adapter—do not use without explicit 408ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * user action to turn off Bluetooth. 409de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>This gracefully shuts down all Bluetooth connections, stops Bluetooth 410de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * system services, and powers down the underlying Bluetooth hardware. 411ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * <p class="caution"><strong>Bluetooth should never be disbled without 412ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * direct user consent</strong>. The {@link #disable()} method is 413ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * provided only for applications that include a user interface for changing 414ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * system settings, such as a "power manager" app.</p> 4153219ab4de27cd40b2149b0dd13edd412efe40244Brad Fitzpatrick * <p>This is an asynchronous call: it will return immediately, and 416de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * clients should listen for {@link #ACTION_STATE_CHANGED} 417de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * to be notified of subsequent adapter state changes. If this call returns 418de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * true, then the adapter state will immediately transition from {@link 419de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * #STATE_ON} to {@link #STATE_TURNING_OFF}, and some time 420de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * later transition to either {@link #STATE_OFF} or {@link 421de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * #STATE_ON}. If this call returns false then there was an 422de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * immediate problem that will prevent the adapter from being turned off - 423de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * such as the adapter already being turned off. 424ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * <p>Requires the {@link android.Manifest.permission#BLUETOOTH_ADMIN} 425ed2a70d6495b3f1928e36ad2b00ee4d33b2c0379Scott Main * permission 426bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 427de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return true to indicate adapter shutdown has begun, or false on 428de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * immediate error 429bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 430bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public boolean disable() { 431bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 432bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.disable(true); 433bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 434bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return false; 435bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 436bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 437de893f550301a60274e87aa8168225e7a7a42184Nick Pelly /** 438de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Returns the hardware address of the local Bluetooth adapter. 439de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>For example, "00:11:22:AA:BB:CC". 440de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 441de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * 442de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return Bluetooth hardware address as string 443de893f550301a60274e87aa8168225e7a7a42184Nick Pelly */ 444bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public String getAddress() { 445bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 446bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.getAddress(); 447bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 448bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return null; 449bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 450bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 451bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 452de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Get the friendly Bluetooth name of the local Bluetooth adapter. 453de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>This name is visible to remote Bluetooth devices. 454de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 455bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 456de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return the Bluetooth name, or null on error 457bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 458bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public String getName() { 459bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 460bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.getName(); 461bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 462bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return null; 463bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 464bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 465bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 466de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Set the friendly Bluetooth name of the local Bluetoth adapter. 467de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>This name is visible to remote Bluetooth devices. 468de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Valid Bluetooth names are a maximum of 248 UTF-8 characters, however 469de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * many remote devices can only display the first 40 characters, and some 470de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * may be limited to just 20. 471de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} 472bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 473de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @param name a valid Bluetooth name 474de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return true if the name was set, false otherwise 475bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 476bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public boolean setName(String name) { 477bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 478bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.setName(name); 479bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 480bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return false; 481bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 482bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 483bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 484de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Get the current Bluetooth scan mode of the local Bluetooth adaper. 485de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>The Bluetooth scan mode determines if the local adapter is 486de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * connectable and/or discoverable from remote Bluetooth devices. 487de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Possible values are: 488de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_NONE}, 489de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_CONNECTABLE}, 490de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}. 491de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 492de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * 493de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return scan mode 494bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 495bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public int getScanMode() { 496bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 497bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.getScanMode(); 498bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 499de893f550301a60274e87aa8168225e7a7a42184Nick Pelly return SCAN_MODE_NONE; 500bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 501bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 502bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 503de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * Set the Bluetooth scan mode of the local Bluetooth adapter. 504de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>The Bluetooth scan mode determines if the local adapter is 505de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * connectable and/or discoverable from remote Bluetooth devices. 50612835478ee687a493d1b5882e67b6725bd539c26Nick Pelly * <p>For privacy reasons, discoverable mode is automatically turned off 50712835478ee687a493d1b5882e67b6725bd539c26Nick Pelly * after <code>duration</code> seconds. For example, 120 seconds should be 50812835478ee687a493d1b5882e67b6725bd539c26Nick Pelly * enough for a remote device to initiate and complete its discovery 50912835478ee687a493d1b5882e67b6725bd539c26Nick Pelly * process. 510de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * <p>Valid scan mode values are: 511de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_NONE}, 512de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_CONNECTABLE}, 513de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE}. 51418b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * <p>Requires {@link android.Manifest.permission#WRITE_SECURE_SETTINGS} 51518b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * <p>Applications cannot set the scan mode. They should use 51618b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * <code>startActivityForResult( 51718b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE}) 51818b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * </code>instead. 519de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * 520de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @param mode valid scan mode 52112835478ee687a493d1b5882e67b6725bd539c26Nick Pelly * @param duration time in seconds to apply scan mode, only used for 52212835478ee687a493d1b5882e67b6725bd539c26Nick Pelly * {@link #SCAN_MODE_CONNECTABLE_DISCOVERABLE} 523de893f550301a60274e87aa8168225e7a7a42184Nick Pelly * @return true if the scan mode was set, false otherwise 52418b1e79a123b979d25bfa5d0b0ee5d0382dbd64bNick Pelly * @hide 525bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 52612835478ee687a493d1b5882e67b6725bd539c26Nick Pelly public boolean setScanMode(int mode, int duration) { 527bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 52812835478ee687a493d1b5882e67b6725bd539c26Nick Pelly return mService.setScanMode(mode, duration); 529bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 530de893f550301a60274e87aa8168225e7a7a42184Nick Pelly return false; 531bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 532bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 53345e2704ff512d41e22af2801d76e96955469ce8dNick Pelly /** @hide */ 53412835478ee687a493d1b5882e67b6725bd539c26Nick Pelly public boolean setScanMode(int mode) { 53512835478ee687a493d1b5882e67b6725bd539c26Nick Pelly return setScanMode(mode, 120); 53612835478ee687a493d1b5882e67b6725bd539c26Nick Pelly } 53712835478ee687a493d1b5882e67b6725bd539c26Nick Pelly 53812835478ee687a493d1b5882e67b6725bd539c26Nick Pelly /** @hide */ 539bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public int getDiscoverableTimeout() { 540bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 541bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.getDiscoverableTimeout(); 542bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 543bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return -1; 544bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 545bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 54645e2704ff512d41e22af2801d76e96955469ce8dNick Pelly /** @hide */ 547bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public void setDiscoverableTimeout(int timeout) { 548bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 549bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly mService.setDiscoverableTimeout(timeout); 550bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 551bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 552bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 553005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly /** 554005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Start the remote device discovery process. 555005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>The discovery process usually involves an inquiry scan of about 12 556005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * seconds, followed by a page scan of each new device to retrieve its 557005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Bluetooth name. 558005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>This is an asynchronous call, it will return immediately. Register 559005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * for {@link #ACTION_DISCOVERY_STARTED} and {@link 560005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * #ACTION_DISCOVERY_FINISHED} intents to determine exactly when the 561005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * discovery starts and completes. Register for {@link 562005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * BluetoothDevice#ACTION_FOUND} to be notified as remote Bluetooth devices 563005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * are found. 564005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Device discovery is a heavyweight procedure. New connections to 565005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * remote Bluetooth devices should not be attempted while discovery is in 566005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * progress, and existing connections will experience limited bandwidth 567005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * and high latency. Use {@link #cancelDiscovery()} to cancel an ongoing 5686d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * discovery. Discovery is not managed by the Activity, 5696d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * but is run as a system service, so an application should always call 5706d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * {@link BluetoothAdapter#cancelDiscovery()} even if it 5716d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * did not directly request a discovery, just to be sure. 572005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Device discovery will only find remote devices that are currently 573005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <i>discoverable</i> (inquiry scan enabled). Many Bluetooth devices are 574005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * not discoverable by default, and need to be entered into a special mode. 575005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}. 576005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * 577005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * @return true on success, false on error 578005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly */ 579bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public boolean startDiscovery() { 580bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 581bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.startDiscovery(); 582bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 583bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return false; 584bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 585bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 586005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly /** 587005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Cancel the current device discovery process. 588005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}. 5896d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * <p>Because discovery is a heavyweight precedure for the Bluetooth 5906d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * adapter, this method should always be called before attempting to connect 5916d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * to a remote device with {@link 5926d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * android.bluetooth.BluetoothSocket#connect()}. Discovery is not managed by 5936d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * the Activity, but is run as a system service, so an application should 5946d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * always call cancel discovery even if it did not directly request a 5956d95fc0a2ca910212a43c4547c0ef000659b72dcScott Main * discovery, just to be sure. 596005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * 597005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * @return true on success, false on error 598005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly */ 599005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public boolean cancelDiscovery() { 600bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 601bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly mService.cancelDiscovery(); 602bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 603005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly return false; 604bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 605bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 606005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly /** 607005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Return true if the local Bluetooth adapter is currently in the device 608005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * discovery process. 609005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Device discovery is a heavyweight procedure. New connections to 610005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * remote Bluetooth devices should not be attempted while discovery is in 611005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * progress, and existing connections will experience limited bandwidth 612005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * and high latency. Use {@link #cancelDiscovery()} to cancel an ongoing 613005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * discovery. 614005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * <p>Applications can also register for {@link #ACTION_DISCOVERY_STARTED} 615005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * or {@link #ACTION_DISCOVERY_FINISHED} to be notified when discovery 616005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * starts or completes. 617e6ee3be1c254404dad842298f6f56c11cc6c7ac8Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH}. 618005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * 619005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * @return true if discovering 620005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly */ 621bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public boolean isDiscovering() { 622bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 623bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return mService.isDiscovering(); 624bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 625bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return false; 626bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 627bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 628bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 629005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Return the set of {@link BluetoothDevice} objects that are bonded 630005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * (paired) to the local adapter. 631e6ee3be1c254404dad842298f6f56c11cc6c7ac8Nick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH}. 632bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * 633005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * @return unmodifiable set of {@link BluetoothDevice}, or null on error 634bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 635bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public Set<BluetoothDevice> getBondedDevices() { 636bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 637bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return toDeviceSet(mService.listBonds()); 638bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 639bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return null; 640bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 641bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 642bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 64316fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly * Picks RFCOMM channels until none are left. 64424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * Avoids reserved channels. 64524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly */ 64624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly private static class RfcommChannelPicker { 64724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly private static final int[] RESERVED_RFCOMM_CHANNELS = new int[] { 64824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 10, // HFAG 64924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 11, // HSAG 65024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 12, // OPUSH 65124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 19, // PBAP 65224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly }; 65324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly private static LinkedList<Integer> sChannels; // master list of non-reserved channels 65424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly private static Random sRandom; 65524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 65624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly private final LinkedList<Integer> mChannels; // local list of channels left to try 65724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 65816fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly private final UUID mUuid; 65916fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly 66016fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly public RfcommChannelPicker(UUID uuid) { 66124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly synchronized (RfcommChannelPicker.class) { 66224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (sChannels == null) { 66324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly // lazy initialization of non-reserved rfcomm channels 66424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly sChannels = new LinkedList<Integer>(); 66524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly for (int i = 1; i <= BluetoothSocket.MAX_RFCOMM_CHANNEL; i++) { 66624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly sChannels.addLast(new Integer(i)); 66724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 66824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly for (int reserved : RESERVED_RFCOMM_CHANNELS) { 66924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly sChannels.remove(new Integer(reserved)); 67024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 67124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly sRandom = new Random(); 67224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 67324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly mChannels = (LinkedList<Integer>)sChannels.clone(); 67424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 67516fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly mUuid = uuid; 67624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 6774b3db907f04d85cd20e0a0e35056ba44a10e8867Jaikumar Ganesh /* Returns next random channel, or -1 if we're out */ 67824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly public int nextChannel() { 6794b3db907f04d85cd20e0a0e35056ba44a10e8867Jaikumar Ganesh if (mChannels.size() == 0) { 6804b3db907f04d85cd20e0a0e35056ba44a10e8867Jaikumar Ganesh return -1; 68124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 6824b3db907f04d85cd20e0a0e35056ba44a10e8867Jaikumar Ganesh return mChannels.remove(sRandom.nextInt(mChannels.size())); 68324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 68424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 68524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 68624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly /** 68745e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * Create a listening, secure RFCOMM Bluetooth socket. 68845e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * <p>A remote device connecting to this socket will be authenticated and 689bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * communication on this socket will be encrypted. 69045e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming 69124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * connections from a listening {@link BluetoothServerSocket}. 69245e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * <p>Valid RFCOMM channels are in range 1 to 30. 69324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} 69445e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * @param channel RFCOMM channel to listen on 69545e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * @return a listening RFCOMM BluetoothServerSocket 69645e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * @throws IOException on error, for example Bluetooth not available, or 69745e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * insufficient permissions, or channel in use. 69824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * @hide 699bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 70045e2704ff512d41e22af2801d76e96955469ce8dNick Pelly public BluetoothServerSocket listenUsingRfcommOn(int channel) throws IOException { 701bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly BluetoothServerSocket socket = new BluetoothServerSocket( 70245e2704ff512d41e22af2801d76e96955469ce8dNick Pelly BluetoothSocket.TYPE_RFCOMM, true, true, channel); 70324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly int errno = socket.mSocket.bindListen(); 70424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (errno != 0) { 70524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly try { 70624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket.close(); 70724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } catch (IOException e) {} 70824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket.mSocket.throwErrnoNative(errno); 70924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 71024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly return socket; 71124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 71224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 71324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly /** 71424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * Create a listening, secure RFCOMM Bluetooth socket with Service Record. 71524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * <p>A remote device connecting to this socket will be authenticated and 71624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * communication on this socket will be encrypted. 71724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * <p>Use {@link BluetoothServerSocket#accept} to retrieve incoming 71824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * connections from a listening {@link BluetoothServerSocket}. 71924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * <p>The system will assign an unused RFCOMM channel to listen on. 72024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * <p>The system will also register a Service Discovery 72124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * Protocol (SDP) record with the local SDP server containing the specified 72224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * UUID, service name, and auto-assigned channel. Remote Bluetooth devices 72324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * can use the same UUID to query our SDP server and discover which channel 72424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * to connect to. This SDP record will be removed when this socket is 72524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * closed, or if this application closes unexpectedly. 72616fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly * <p>Use {@link BluetoothDevice#createRfcommSocketToServiceRecord} to 72716fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly * connect to this socket from another device using the same {@link UUID}. 72824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * <p>Requires {@link android.Manifest.permission#BLUETOOTH} 72924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * @param name service name for SDP record 73024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * @param uuid uuid for SDP record 73124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * @return a listening RFCOMM BluetoothServerSocket 73224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * @throws IOException on error, for example Bluetooth not available, or 73324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly * insufficient permissions, or channel in use. 73424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly */ 73516fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly public BluetoothServerSocket listenUsingRfcommWithServiceRecord(String name, UUID uuid) 73624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly throws IOException { 73716fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly RfcommChannelPicker picker = new RfcommChannelPicker(uuid); 73824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 73924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly BluetoothServerSocket socket; 74024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly int channel; 74124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly int errno; 74224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly while (true) { 74324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly channel = picker.nextChannel(); 74424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 74524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (channel == -1) { 74624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly throw new IOException("No available channels"); 74724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 74824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 74924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket = new BluetoothServerSocket( 75024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly BluetoothSocket.TYPE_RFCOMM, true, true, channel); 75124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly errno = socket.mSocket.bindListen(); 75224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (errno == 0) { 75324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (DBG) Log.d(TAG, "listening on RFCOMM channel " + channel); 75424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly break; // success 75524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } else if (errno == BluetoothSocket.EADDRINUSE) { 75624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (DBG) Log.d(TAG, "RFCOMM channel " + channel + " in use"); 75724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly try { 75824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket.close(); 75924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } catch (IOException e) {} 76024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly continue; // try another channel 76124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } else { 76224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly try { 76324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket.close(); 76424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } catch (IOException e) {} 76524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket.mSocket.throwErrnoNative(errno); // Exception as a result of bindListen() 76624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 76724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 76824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 76924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly int handle = -1; 770bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 77116fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly handle = mService.addRfcommServiceRecord(name, new ParcelUuid(uuid), channel, 77216fb88a673c41b93c5d57ccb28c2697e7d87701aNick Pelly new Binder()); 77324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 77424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (handle == -1) { 775bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 776bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly socket.close(); 77724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } catch (IOException e) {} 77824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly throw new IOException("Not able to register SDP record for " + name); 779bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 78024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket.setCloseHandler(mHandler, handle); 781bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return socket; 782bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 783bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 784bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 785bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * Construct an unencrypted, unauthenticated, RFCOMM server socket. 786bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * Call #accept to retrieve connections to this socket. 787bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * @return An RFCOMM BluetoothServerSocket 788bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * @throws IOException On error, for example Bluetooth not available, or 789bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * insufficient permissions. 79045e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * @hide 791bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 792bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public BluetoothServerSocket listenUsingInsecureRfcommOn(int port) throws IOException { 793bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly BluetoothServerSocket socket = new BluetoothServerSocket( 794bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly BluetoothSocket.TYPE_RFCOMM, false, false, port); 79524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly int errno = socket.mSocket.bindListen(); 79624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (errno != 0) { 797bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 798bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly socket.close(); 79924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } catch (IOException e) {} 80024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket.mSocket.throwErrnoNative(errno); 801bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 802bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return socket; 803bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 804bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 805bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly /** 806bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * Construct a SCO server socket. 807bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * Call #accept to retrieve connections to this socket. 808bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * @return A SCO BluetoothServerSocket 809bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * @throws IOException On error, for example Bluetooth not available, or 810bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly * insufficient permissions. 81145e2704ff512d41e22af2801d76e96955469ce8dNick Pelly * @hide 812bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly */ 813bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly public static BluetoothServerSocket listenUsingScoOn() throws IOException { 814bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly BluetoothServerSocket socket = new BluetoothServerSocket( 815bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly BluetoothSocket.TYPE_SCO, false, false, -1); 81624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly int errno = socket.mSocket.bindListen(); 81724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (errno != 0) { 818bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly try { 819bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly socket.close(); 82024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } catch (IOException e) {} 82124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly socket.mSocket.throwErrnoNative(errno); 822bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 823bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return socket; 824bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 825bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly 826bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly private Set<BluetoothDevice> toDeviceSet(String[] addresses) { 827bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly Set<BluetoothDevice> devices = new HashSet<BluetoothDevice>(addresses.length); 828bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly for (int i = 0; i < addresses.length; i++) { 829bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly devices.add(getRemoteDevice(addresses[i])); 830bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 831bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly return Collections.unmodifiableSet(devices); 832bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly } 833005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly 83424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly private Handler mHandler = new Handler() { 83524bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly public void handleMessage(Message msg) { 83624bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly /* handle socket closing */ 83724bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly int handle = msg.what; 83824bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly try { 83924bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly if (DBG) Log.d(TAG, "Removing service record " + Integer.toHexString(handle)); 84024bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly mService.removeServiceRecord(handle); 84124bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } catch (RemoteException e) {Log.e(TAG, "", e);} 84224bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly } 84324bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly }; 84424bb9b8af4ff691538fe9e517e8156016b0da6cdNick Pelly 845005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly /** 846005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * Validate a Bluetooth address, such as "00:43:A8:23:10:F0" 84755e66f1b739097095f6b3c47f88de258898fc1c9Nick Pelly * <p>Alphabetic characters must be uppercase to be valid. 848005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * 849005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * @param address Bluetooth address as string 850005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly * @return true if the address is valid, false otherwise 851005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly */ 852005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly public static boolean checkBluetoothAddress(String address) { 853005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly if (address == null || address.length() != ADDRESS_LENGTH) { 854005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly return false; 855005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly } 856005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly for (int i = 0; i < ADDRESS_LENGTH; i++) { 857005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly char c = address.charAt(i); 858005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly switch (i % 3) { 859005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly case 0: 860005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly case 1: 86155e66f1b739097095f6b3c47f88de258898fc1c9Nick Pelly if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F')) { 86255e66f1b739097095f6b3c47f88de258898fc1c9Nick Pelly // hex character, OK 86355e66f1b739097095f6b3c47f88de258898fc1c9Nick Pelly break; 864005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly } 865005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly return false; 866005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly case 2: 867005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly if (c == ':') { 868005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly break; // OK 869005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly } 870005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly return false; 871005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly } 872005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly } 873005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly return true; 874005b228cdfb369d9b3b325884c0337ba5968bf8cNick Pelly } 875bd022f423a33f0794bb53e5b0720da2d67e4631cNick Pelly} 876