1 /* 2 * Copyright (C) 2010 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 18 package android.bluetooth; 19 20 import java.util.List; 21 22 /** 23 * Public APIs for the Bluetooth Profiles. 24 * 25 * <p> Clients should call {@link BluetoothAdapter#getProfileProxy}, 26 * to get the Profile Proxy. Each public profile implements this 27 * interface. 28 */ 29 public interface BluetoothProfile { 30 31 /** 32 * Extra for the connection state intents of the individual profiles. 33 * 34 * This extra represents the current connection state of the profile of the 35 * Bluetooth device. 36 */ 37 public static final String EXTRA_STATE = "android.bluetooth.profile.extra.STATE"; 38 39 /** 40 * Extra for the connection state intents of the individual profiles. 41 * 42 * This extra represents the previous connection state of the profile of the 43 * Bluetooth device. 44 */ 45 public static final String EXTRA_PREVIOUS_STATE = 46 "android.bluetooth.profile.extra.PREVIOUS_STATE"; 47 48 /** The profile is in disconnected state */ 49 public static final int STATE_DISCONNECTED = 0; 50 /** The profile is in connecting state */ 51 public static final int STATE_CONNECTING = 1; 52 /** The profile is in connected state */ 53 public static final int STATE_CONNECTED = 2; 54 /** The profile is in disconnecting state */ 55 public static final int STATE_DISCONNECTING = 3; 56 57 /** 58 * Headset and Handsfree profile 59 */ 60 public static final int HEADSET = 1; 61 62 /** 63 * A2DP profile. 64 */ 65 public static final int A2DP = 2; 66 67 /** 68 * Health Profile 69 */ 70 public static final int HEALTH = 3; 71 72 /** 73 * Input Device Profile 74 * @hide 75 */ 76 public static final int INPUT_DEVICE = 4; 77 78 /** 79 * PAN Profile 80 * @hide 81 */ 82 public static final int PAN = 5; 83 84 /** 85 * PBAP 86 * @hide 87 */ 88 public static final int PBAP = 6; 89 90 /** 91 * Default priority for devices that we try to auto-connect to and 92 * and allow incoming connections for the profile 93 * @hide 94 **/ 95 public static final int PRIORITY_AUTO_CONNECT = 1000; 96 97 /** 98 * Default priority for devices that allow incoming 99 * and outgoing connections for the profile 100 * @hide 101 **/ 102 public static final int PRIORITY_ON = 100; 103 104 /** 105 * Default priority for devices that does not allow incoming 106 * connections and outgoing connections for the profile. 107 * @hide 108 **/ 109 public static final int PRIORITY_OFF = 0; 110 111 /** 112 * Default priority when not set or when the device is unpaired 113 * @hide 114 * */ 115 public static final int PRIORITY_UNDEFINED = -1; 116 117 /** 118 * Get connected devices for this specific profile. 119 * 120 * <p> Return the set of devices which are in state {@link #STATE_CONNECTED} 121 * 122 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. 123 * 124 * @return List of devices. The list will be empty on error. 125 */ getConnectedDevices()126 public List<BluetoothDevice> getConnectedDevices(); 127 128 /** 129 * Get a list of devices that match any of the given connection 130 * states. 131 * 132 * <p> If none of the devices match any of the given states, 133 * an empty list will be returned. 134 * 135 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. 136 * 137 * @param states Array of states. States can be one of 138 * {@link #STATE_CONNECTED}, {@link #STATE_CONNECTING}, 139 * {@link #STATE_DISCONNECTED}, {@link #STATE_DISCONNECTING}, 140 * @return List of devices. The list will be empty on error. 141 */ getDevicesMatchingConnectionStates(int[] states)142 public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states); 143 144 /** 145 * Get the current connection state of the profile 146 * 147 * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. 148 * 149 * @param device Remote bluetooth device. 150 * @return State of the profile connection. One of 151 * {@link #STATE_CONNECTED}, {@link #STATE_CONNECTING}, 152 * {@link #STATE_DISCONNECTED}, {@link #STATE_DISCONNECTING} 153 */ getConnectionState(BluetoothDevice device)154 public int getConnectionState(BluetoothDevice device); 155 156 /** 157 * An interface for notifying BluetoothProfile IPC clients when they have 158 * been connected or disconnected to the service. 159 */ 160 public interface ServiceListener { 161 /** 162 * Called to notify the client when the proxy object has been 163 * connected to the service. 164 * @param profile - One of {@link #HEALTH}, {@link #HEADSET} or 165 * {@link #A2DP} 166 * @param proxy - One of {@link BluetoothHealth}, {@link BluetoothHeadset} or 167 * {@link BluetoothA2dp} 168 */ onServiceConnected(int profile, BluetoothProfile proxy)169 public void onServiceConnected(int profile, BluetoothProfile proxy); 170 171 /** 172 * Called to notify the client that this proxy object has been 173 * disconnected from the service. 174 * @param profile - One of {@link #HEALTH}, {@link #HEADSET} or 175 * {@link #A2DP} 176 */ onServiceDisconnected(int profile)177 public void onServiceDisconnected(int profile); 178 } 179 } 180