1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.bluetooth; 18 19 import android.os.ParcelUuid; 20 21 import java.util.Arrays; 22 import java.util.HashSet; 23 import java.util.UUID; 24 25 /** 26 * Static helper methods and constants to decode the ParcelUuid of remote devices. 27 * @hide 28 */ 29 public final class BluetoothUuid { 30 31 /* See Bluetooth Assigned Numbers document - SDP section, to get the values of UUIDs 32 * for the various services. 33 * 34 * The following 128 bit values are calculated as: 35 * uuid * 2^96 + BASE_UUID 36 */ 37 public static final ParcelUuid AudioSink = 38 ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB"); 39 public static final ParcelUuid AudioSource = 40 ParcelUuid.fromString("0000110A-0000-1000-8000-00805F9B34FB"); 41 public static final ParcelUuid AdvAudioDist = 42 ParcelUuid.fromString("0000110D-0000-1000-8000-00805F9B34FB"); 43 public static final ParcelUuid HSP = 44 ParcelUuid.fromString("00001108-0000-1000-8000-00805F9B34FB"); 45 public static final ParcelUuid HSP_AG = 46 ParcelUuid.fromString("00001112-0000-1000-8000-00805F9B34FB"); 47 public static final ParcelUuid Handsfree = 48 ParcelUuid.fromString("0000111E-0000-1000-8000-00805F9B34FB"); 49 public static final ParcelUuid Handsfree_AG = 50 ParcelUuid.fromString("0000111F-0000-1000-8000-00805F9B34FB"); 51 public static final ParcelUuid AvrcpController = 52 ParcelUuid.fromString("0000110E-0000-1000-8000-00805F9B34FB"); 53 public static final ParcelUuid AvrcpTarget = 54 ParcelUuid.fromString("0000110C-0000-1000-8000-00805F9B34FB"); 55 public static final ParcelUuid ObexObjectPush = 56 ParcelUuid.fromString("00001105-0000-1000-8000-00805f9b34fb"); 57 public static final ParcelUuid Hid = 58 ParcelUuid.fromString("00001124-0000-1000-8000-00805f9b34fb"); 59 public static final ParcelUuid Hogp = 60 ParcelUuid.fromString("00001812-0000-1000-8000-00805f9b34fb"); 61 public static final ParcelUuid PANU = 62 ParcelUuid.fromString("00001115-0000-1000-8000-00805F9B34FB"); 63 public static final ParcelUuid NAP = 64 ParcelUuid.fromString("00001116-0000-1000-8000-00805F9B34FB"); 65 public static final ParcelUuid BNEP = 66 ParcelUuid.fromString("0000000f-0000-1000-8000-00805F9B34FB"); 67 public static final ParcelUuid PBAP_PSE = 68 ParcelUuid.fromString("0000112f-0000-1000-8000-00805F9B34FB"); 69 public static final ParcelUuid MAP = 70 ParcelUuid.fromString("00001134-0000-1000-8000-00805F9B34FB"); 71 public static final ParcelUuid MNS = 72 ParcelUuid.fromString("00001133-0000-1000-8000-00805F9B34FB"); 73 public static final ParcelUuid MAS = 74 ParcelUuid.fromString("00001132-0000-1000-8000-00805F9B34FB"); 75 76 77 public static final ParcelUuid[] RESERVED_UUIDS = { 78 AudioSink, AudioSource, AdvAudioDist, HSP, Handsfree, AvrcpController, AvrcpTarget, 79 ObexObjectPush, PANU, NAP, MAP, MNS, MAS}; 80 81 public static boolean isAudioSource(ParcelUuid uuid) { 82 return uuid.equals(AudioSource); 83 } 84 85 public static boolean isAudioSink(ParcelUuid uuid) { 86 return uuid.equals(AudioSink); 87 } 88 89 public static boolean isAdvAudioDist(ParcelUuid uuid) { 90 return uuid.equals(AdvAudioDist); 91 } 92 93 public static boolean isHandsfree(ParcelUuid uuid) { 94 return uuid.equals(Handsfree); 95 } 96 97 public static boolean isHeadset(ParcelUuid uuid) { 98 return uuid.equals(HSP); 99 } 100 101 public static boolean isAvrcpController(ParcelUuid uuid) { 102 return uuid.equals(AvrcpController); 103 } 104 105 public static boolean isAvrcpTarget(ParcelUuid uuid) { 106 return uuid.equals(AvrcpTarget); 107 } 108 109 public static boolean isInputDevice(ParcelUuid uuid) { 110 return uuid.equals(Hid); 111 } 112 113 public static boolean isPanu(ParcelUuid uuid) { 114 return uuid.equals(PANU); 115 } 116 117 public static boolean isNap(ParcelUuid uuid) { 118 return uuid.equals(NAP); 119 } 120 121 public static boolean isBnep(ParcelUuid uuid) { 122 return uuid.equals(BNEP); 123 } 124 public static boolean isMap(ParcelUuid uuid) { 125 return uuid.equals(MAP); 126 } 127 public static boolean isMns(ParcelUuid uuid) { 128 return uuid.equals(MNS); 129 } 130 public static boolean isMas(ParcelUuid uuid) { 131 return uuid.equals(MAS); 132 } 133 134 /** 135 * Returns true if ParcelUuid is present in uuidArray 136 * 137 * @param uuidArray - Array of ParcelUuids 138 * @param uuid 139 */ 140 public static boolean isUuidPresent(ParcelUuid[] uuidArray, ParcelUuid uuid) { 141 if ((uuidArray == null || uuidArray.length == 0) && uuid == null) 142 return true; 143 144 if (uuidArray == null) 145 return false; 146 147 for (ParcelUuid element: uuidArray) { 148 if (element.equals(uuid)) return true; 149 } 150 return false; 151 } 152 153 /** 154 * Returns true if there any common ParcelUuids in uuidA and uuidB. 155 * 156 * @param uuidA - List of ParcelUuids 157 * @param uuidB - List of ParcelUuids 158 * 159 */ 160 public static boolean containsAnyUuid(ParcelUuid[] uuidA, ParcelUuid[] uuidB) { 161 if (uuidA == null && uuidB == null) return true; 162 163 if (uuidA == null) { 164 return uuidB.length == 0 ? true : false; 165 } 166 167 if (uuidB == null) { 168 return uuidA.length == 0 ? true : false; 169 } 170 171 HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid> (Arrays.asList(uuidA)); 172 for (ParcelUuid uuid: uuidB) { 173 if (uuidSet.contains(uuid)) return true; 174 } 175 return false; 176 } 177 178 /** 179 * Returns true if all the ParcelUuids in ParcelUuidB are present in 180 * ParcelUuidA 181 * 182 * @param uuidA - Array of ParcelUuidsA 183 * @param uuidB - Array of ParcelUuidsB 184 * 185 */ 186 public static boolean containsAllUuids(ParcelUuid[] uuidA, ParcelUuid[] uuidB) { 187 if (uuidA == null && uuidB == null) return true; 188 189 if (uuidA == null) { 190 return uuidB.length == 0 ? true : false; 191 } 192 193 if (uuidB == null) return true; 194 195 HashSet<ParcelUuid> uuidSet = new HashSet<ParcelUuid> (Arrays.asList(uuidA)); 196 for (ParcelUuid uuid: uuidB) { 197 if (!uuidSet.contains(uuid)) return false; 198 } 199 return true; 200 } 201 202 /** 203 * Extract the Service Identifier or the actual uuid from the Parcel Uuid. 204 * For example, if 0000110B-0000-1000-8000-00805F9B34FB is the parcel Uuid, 205 * this function will return 110B 206 * @param parcelUuid 207 * @return the service identifier. 208 */ 209 public static int getServiceIdentifierFromParcelUuid(ParcelUuid parcelUuid) { 210 UUID uuid = parcelUuid.getUuid(); 211 long value = (uuid.getMostSignificantBits() & 0x0000FFFF00000000L) >>> 32; 212 return (int)value; 213 } 214 } 215
