| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * TODO: Move this to |
| * java/services/com/android/server/BluetoothService.java |
| * and make the contructor package private again. |
| * |
| * @hide |
| */ |
| |
| package android.server; |
| |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothHeadset; |
| import android.bluetooth.IBluetooth; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.Binder; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemService; |
| import android.provider.Settings; |
| import android.util.Log; |
| |
| import com.android.internal.app.IBatteryStats; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.io.UnsupportedEncodingException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| public class BluetoothService extends IBluetooth.Stub { |
| private static final String TAG = "BluetoothService"; |
| private static final boolean DBG = true; |
| |
| private int mNativeData; |
| private BluetoothEventLoop mEventLoop; |
| private IntentFilter mIntentFilter; |
| private boolean mIsAirplaneSensitive; |
| private int mBluetoothState; |
| private boolean mRestart = false; // need to call enable() after disable() |
| private boolean mIsDiscovering; |
| |
| private BluetoothAdapter mAdapter; // constant after init() |
| private final BondState mBondState = new BondState(); // local cache of bondings |
| private final IBatteryStats mBatteryStats; |
| private final Context mContext; |
| |
| private static final String BLUETOOTH_ADMIN_PERM = android.Manifest.permission.BLUETOOTH_ADMIN; |
| private static final String BLUETOOTH_PERM = android.Manifest.permission.BLUETOOTH; |
| |
| private static final int MESSAGE_REGISTER_SDP_RECORDS = 1; |
| private static final int MESSAGE_FINISH_DISABLE = 2; |
| |
| private final Map<String, String> mAdapterProperties; |
| private final HashMap <String, Map<String, String>> mDeviceProperties; |
| |
| static { |
| classInitNative(); |
| } |
| |
| public BluetoothService(Context context) { |
| mContext = context; |
| |
| // Need to do this in place of: |
| // mBatteryStats = BatteryStatsService.getService(); |
| // Since we can not import BatteryStatsService from here. This class really needs to be |
| // moved to java/services/com/android/server/ |
| mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService("batteryinfo")); |
| |
| initializeNativeDataNative(); |
| |
| if (isEnabledNative() == 1) { |
| Log.w(TAG, "Bluetooth daemons already running - runtime restart? "); |
| disableNative(); |
| } |
| |
| mBluetoothState = BluetoothAdapter.STATE_OFF; |
| mIsDiscovering = false; |
| mAdapterProperties = new HashMap<String, String>(); |
| mDeviceProperties = new HashMap<String, Map<String,String>>(); |
| registerForAirplaneMode(); |
| } |
| |
| public synchronized void initAfterRegistration() { |
| mAdapter = (BluetoothAdapter) mContext.getSystemService(Context.BLUETOOTH_SERVICE); |
| mEventLoop = new BluetoothEventLoop(mContext, mAdapter, this); |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| if (mIsAirplaneSensitive) { |
| mContext.unregisterReceiver(mReceiver); |
| } |
| try { |
| cleanupNativeDataNative(); |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| public boolean isEnabled() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return mBluetoothState == BluetoothAdapter.STATE_ON; |
| } |
| |
| public int getBluetoothState() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return mBluetoothState; |
| } |
| |
| |
| /** |
| * Bring down bluetooth and disable BT in settings. Returns true on success. |
| */ |
| public boolean disable() { |
| return disable(true); |
| } |
| |
| /** |
| * Bring down bluetooth. Returns true on success. |
| * |
| * @param saveSetting If true, disable BT in settings |
| */ |
| public synchronized boolean disable(boolean saveSetting) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| |
| switch (mBluetoothState) { |
| case BluetoothAdapter.STATE_OFF: |
| return true; |
| case BluetoothAdapter.STATE_ON: |
| break; |
| default: |
| return false; |
| } |
| if (mEnableThread != null && mEnableThread.isAlive()) { |
| return false; |
| } |
| setBluetoothState(BluetoothAdapter.STATE_TURNING_OFF); |
| |
| // Allow 3 seconds for profiles to gracefully disconnect |
| // TODO: Introduce a callback mechanism so that each profile can notify |
| // BluetoothService when it is done shutting down |
| mHandler.sendMessageDelayed( |
| mHandler.obtainMessage(MESSAGE_FINISH_DISABLE, saveSetting ? 1 : 0, 0), 3000); |
| return true; |
| } |
| |
| |
| private synchronized void finishDisable(boolean saveSetting) { |
| if (mBluetoothState != BluetoothAdapter.STATE_TURNING_OFF) { |
| return; |
| } |
| mEventLoop.stop(); |
| tearDownNativeDataNative(); |
| disableNative(); |
| |
| // mark in progress bondings as cancelled |
| for (String address : mBondState.listInState(BluetoothDevice.BOND_BONDING)) { |
| mBondState.setBondState(address, BluetoothDevice.BOND_NONE, |
| BluetoothDevice.UNBOND_REASON_AUTH_CANCELED); |
| } |
| |
| // update mode |
| Intent intent = new Intent(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED); |
| intent.putExtra(BluetoothAdapter.EXTRA_SCAN_MODE, BluetoothAdapter.SCAN_MODE_NONE); |
| mContext.sendBroadcast(intent, BLUETOOTH_PERM); |
| |
| mIsDiscovering = false; |
| mAdapterProperties.clear(); |
| |
| if (saveSetting) { |
| persistBluetoothOnSetting(false); |
| } |
| |
| setBluetoothState(BluetoothAdapter.STATE_OFF); |
| |
| // Log bluetooth off to battery stats. |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| mBatteryStats.noteBluetoothOff(); |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| if (mRestart) { |
| mRestart = false; |
| enable(); |
| } |
| } |
| |
| /** Bring up BT and persist BT on in settings */ |
| public boolean enable() { |
| return enable(true); |
| } |
| |
| /** |
| * Enable this Bluetooth device, asynchronously. |
| * This turns on/off the underlying hardware. |
| * |
| * @param saveSetting If true, persist the new state of BT in settings |
| * @return True on success (so far) |
| */ |
| public synchronized boolean enable(boolean saveSetting) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| |
| // Airplane mode can prevent Bluetooth radio from being turned on. |
| if (mIsAirplaneSensitive && isAirplaneModeOn()) { |
| return false; |
| } |
| if (mBluetoothState != BluetoothAdapter.STATE_OFF) { |
| return false; |
| } |
| if (mEnableThread != null && mEnableThread.isAlive()) { |
| return false; |
| } |
| setBluetoothState(BluetoothAdapter.STATE_TURNING_ON); |
| mEnableThread = new EnableThread(saveSetting); |
| mEnableThread.start(); |
| return true; |
| } |
| |
| /** Forcibly restart Bluetooth if it is on */ |
| /* package */ synchronized void restart() { |
| if (mBluetoothState != BluetoothAdapter.STATE_ON) { |
| return; |
| } |
| mRestart = true; |
| if (!disable(false)) { |
| mRestart = false; |
| } |
| } |
| |
| private synchronized void setBluetoothState(int state) { |
| if (state == mBluetoothState) { |
| return; |
| } |
| |
| if (DBG) log("Bluetooth state " + mBluetoothState + " -> " + state); |
| |
| Intent intent = new Intent(BluetoothAdapter.ACTION_STATE_CHANGED); |
| intent.putExtra(BluetoothAdapter.EXTRA_PREVIOUS_STATE, mBluetoothState); |
| intent.putExtra(BluetoothAdapter.EXTRA_STATE, state); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| |
| mBluetoothState = state; |
| |
| mContext.sendBroadcast(intent, BLUETOOTH_PERM); |
| } |
| |
| private final Handler mHandler = new Handler() { |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MESSAGE_REGISTER_SDP_RECORDS: |
| //TODO: Don't assume HSP/HFP is running, don't use sdptool, |
| if (isEnabled()) { |
| SystemService.start("hsag"); |
| SystemService.start("hfag"); |
| SystemService.start("opush"); |
| SystemService.start("pbap"); |
| } |
| break; |
| case MESSAGE_FINISH_DISABLE: |
| finishDisable(msg.arg1 != 0); |
| break; |
| } |
| } |
| }; |
| |
| private EnableThread mEnableThread; |
| |
| private class EnableThread extends Thread { |
| private final boolean mSaveSetting; |
| public EnableThread(boolean saveSetting) { |
| mSaveSetting = saveSetting; |
| } |
| public void run() { |
| boolean res = (enableNative() == 0); |
| if (res) { |
| int retryCount = 2; |
| boolean running = false; |
| while ((retryCount-- > 0) && !running) { |
| mEventLoop.start(); |
| // it may take a momement for the other thread to do its |
| // thing. Check periodically for a while. |
| int pollCount = 5; |
| while ((pollCount-- > 0) && !running) { |
| if (mEventLoop.isEventLoopRunning()) { |
| running = true; |
| break; |
| } |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException e) {} |
| } |
| } |
| if (!running) { |
| log("bt EnableThread giving up"); |
| res = false; |
| disableNative(); |
| } |
| } |
| |
| |
| if (res) { |
| if (!setupNativeDataNative()) { |
| return; |
| } |
| if (mSaveSetting) { |
| persistBluetoothOnSetting(true); |
| } |
| mIsDiscovering = false; |
| mBondState.loadBondState(); |
| mHandler.sendMessageDelayed(mHandler.obtainMessage(MESSAGE_REGISTER_SDP_RECORDS), |
| 3000); |
| |
| // Log bluetooth on to battery stats. |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| mBatteryStats.noteBluetoothOn(); |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| mEnableThread = null; |
| |
| setBluetoothState(res ? |
| BluetoothAdapter.STATE_ON : |
| BluetoothAdapter.STATE_OFF); |
| |
| if (res) { |
| // Update mode |
| String[] propVal = {"Pairable", getProperty("Pairable")}; |
| mEventLoop.onPropertyChanged(propVal); |
| } |
| |
| if (mIsAirplaneSensitive && isAirplaneModeOn()) { |
| disable(false); |
| } |
| |
| } |
| } |
| |
| private void persistBluetoothOnSetting(boolean bluetoothOn) { |
| long origCallerIdentityToken = Binder.clearCallingIdentity(); |
| Settings.Secure.putInt(mContext.getContentResolver(), Settings.Secure.BLUETOOTH_ON, |
| bluetoothOn ? 1 : 0); |
| Binder.restoreCallingIdentity(origCallerIdentityToken); |
| } |
| |
| /* package */ BondState getBondState() { |
| return mBondState; |
| } |
| |
| /** local cache of bonding state. |
| /* we keep our own state to track the intermediate state BONDING, which |
| /* bluez does not track. |
| * All addreses must be passed in upper case. |
| */ |
| public class BondState { |
| private final HashMap<String, Integer> mState = new HashMap<String, Integer>(); |
| private final HashMap<String, Integer> mPinAttempt = new HashMap<String, Integer>(); |
| private final ArrayList<String> mAutoPairingFailures = new ArrayList<String>(); |
| // List of all the vendor_id prefix of Bluetooth addresses for |
| // which auto pairing is not attempted. |
| // The following companies are included in the list below: |
| // ALPS (lexus), Murata (Prius 2007, Nokia 616), TEMIC SDS (Porsche, Audi), |
| // Parrot, Zhongshan General K-mate Electronics, Great Well |
| // Electronics, Flaircomm Electronics, Jatty Electronics, Delphi, |
| // Clarion, Novero, Denso (Lexus, Toyota), Johnson Controls (Acura), |
| // Continental Automotive, Harman/Becker |
| private final ArrayList<String> mAutoPairingAddressBlacklist = |
| new ArrayList<String>(Arrays.asList( |
| "00:02:C7", "00:16:FE", "00:19:C1", "00:1B:FB", "00:1E:3D", "00:21:4F", |
| "00:23:06", "00:24:33", "00:A0:79", "00:0E:6D", "00:13:E0", "00:21:E8", |
| "00:60:57", "00:0E:9F", "00:12:1C", "00:18:91", "00:18:96", "00:13:04", |
| "00:16:FD", "00:22:A0", "00:0B:4C", "00:60:6F", "00:23:3D", "00:C0:59", |
| "00:0A:30", "00:1E:AE", "00:1C:D7" |
| )); |
| |
| // List of names of Bluetooth devices for which auto pairing should be |
| // disabled. |
| private final ArrayList<String> mAutoPairingNameBlacklist = |
| new ArrayList<String>(Arrays.asList( |
| "Motorola IHF1000", "i.TechBlueBAND", "X5 Stereo v1.3")); |
| |
| public synchronized void loadBondState() { |
| if (mBluetoothState != BluetoothAdapter.STATE_TURNING_ON) { |
| return; |
| } |
| String []bonds = null; |
| String val = getProperty("Devices"); |
| if (val != null) { |
| bonds = val.split(","); |
| } |
| if (bonds == null) { |
| return; |
| } |
| mState.clear(); |
| if (DBG) log("found " + bonds.length + " bonded devices"); |
| for (String device : bonds) { |
| mState.put(getAddressFromObjectPath(device).toUpperCase(), |
| BluetoothDevice.BOND_BONDED); |
| } |
| } |
| |
| public synchronized void setBondState(String address, int state) { |
| setBondState(address, state, 0); |
| } |
| |
| /** reason is ignored unless state == BOND_NOT_BONDED */ |
| public synchronized void setBondState(String address, int state, int reason) { |
| int oldState = getBondState(address); |
| if (oldState == state) { |
| return; |
| } |
| if (DBG) log(address + " bond state " + oldState + " -> " + state + " (" + |
| reason + ")"); |
| Intent intent = new Intent(BluetoothDevice.ACTION_BOND_STATE_CHANGED); |
| intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mAdapter.getRemoteDevice(address)); |
| intent.putExtra(BluetoothDevice.EXTRA_BOND_STATE, state); |
| intent.putExtra(BluetoothDevice.EXTRA_PREVIOUS_BOND_STATE, oldState); |
| if (state == BluetoothDevice.BOND_NONE) { |
| if (reason <= 0) { |
| Log.w(TAG, "setBondState() called to unbond device, but reason code is " + |
| "invalid. Overriding reason code with BOND_RESULT_REMOVED"); |
| reason = BluetoothDevice.UNBOND_REASON_REMOVED; |
| } |
| intent.putExtra(BluetoothDevice.EXTRA_REASON, reason); |
| mState.remove(address); |
| } else { |
| mState.put(address, state); |
| } |
| |
| mContext.sendBroadcast(intent, BLUETOOTH_PERM); |
| } |
| |
| public boolean isAutoPairingBlacklisted(String address) { |
| for (String blacklistAddress : mAutoPairingAddressBlacklist) { |
| if (address.startsWith(blacklistAddress)) return true; |
| } |
| |
| String name = getRemoteName(address); |
| if (name != null) { |
| for (String blacklistName : mAutoPairingNameBlacklist) { |
| if (name.equals(blacklistName)) return true; |
| } |
| } |
| return false; |
| } |
| |
| public synchronized int getBondState(String address) { |
| Integer state = mState.get(address); |
| if (state == null) { |
| return BluetoothDevice.BOND_NONE; |
| } |
| return state.intValue(); |
| } |
| |
| private synchronized String[] listInState(int state) { |
| ArrayList<String> result = new ArrayList<String>(mState.size()); |
| for (Map.Entry<String, Integer> e : mState.entrySet()) { |
| if (e.getValue().intValue() == state) { |
| result.add(e.getKey()); |
| } |
| } |
| return result.toArray(new String[result.size()]); |
| } |
| |
| public synchronized void addAutoPairingFailure(String address) { |
| if (!mAutoPairingFailures.contains(address)) { |
| mAutoPairingFailures.add(address); |
| } |
| } |
| |
| public synchronized boolean isAutoPairingAttemptsInProgress(String address) { |
| return getAttempt(address) != 0; |
| } |
| |
| public synchronized void clearPinAttempts(String address) { |
| mPinAttempt.remove(address); |
| } |
| |
| public synchronized boolean hasAutoPairingFailed(String address) { |
| return mAutoPairingFailures.contains(address); |
| } |
| |
| public synchronized int getAttempt(String address) { |
| Integer attempt = mPinAttempt.get(address); |
| if (attempt == null) { |
| return 0; |
| } |
| return attempt.intValue(); |
| } |
| |
| public synchronized void attempt(String address) { |
| Integer attempt = mPinAttempt.get(address); |
| int newAttempt; |
| if (attempt == null) { |
| newAttempt = 1; |
| } else { |
| newAttempt = attempt.intValue() + 1; |
| } |
| mPinAttempt.put(address, new Integer(newAttempt)); |
| } |
| |
| } |
| |
| private static String toBondStateString(int bondState) { |
| switch (bondState) { |
| case BluetoothDevice.BOND_NONE: |
| return "not bonded"; |
| case BluetoothDevice.BOND_BONDING: |
| return "bonding"; |
| case BluetoothDevice.BOND_BONDED: |
| return "bonded"; |
| default: |
| return "??????"; |
| } |
| } |
| |
| /*package*/ synchronized boolean isAdapterPropertiesEmpty() { |
| return mAdapterProperties.isEmpty(); |
| } |
| |
| /*package*/synchronized void getAllProperties() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| mAdapterProperties.clear(); |
| |
| String properties[] = (String [])getAdapterPropertiesNative(); |
| // The String Array consists of key-value pairs. |
| if (properties == null) { |
| Log.e(TAG, "*Error*: GetAdapterProperties returned NULL"); |
| return; |
| } |
| |
| for (int i = 0; i < properties.length; i++) { |
| String name = properties[i]; |
| String newValue = null; |
| int len; |
| if (name == null) { |
| Log.e(TAG, "Error:Adapter Property at index" + i + "is null"); |
| continue; |
| } |
| if (name.equals("Devices")) { |
| StringBuilder str = new StringBuilder(); |
| len = Integer.valueOf(properties[++i]); |
| for (int j = 0; j < len; j++) { |
| str.append(properties[++i]); |
| str.append(","); |
| } |
| if (len > 0) { |
| newValue = str.toString(); |
| } |
| } else { |
| newValue = properties[++i]; |
| } |
| mAdapterProperties.put(name, newValue); |
| } |
| |
| // Add adapter object path property. |
| String adapterPath = getAdapterPathNative(); |
| if (adapterPath != null) |
| mAdapterProperties.put("ObjectPath", adapterPath + "/dev_"); |
| } |
| |
| /* package */ synchronized void setProperty(String name, String value) { |
| mAdapterProperties.put(name, value); |
| } |
| |
| public synchronized boolean setName(String name) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| if (name == null) { |
| return false; |
| } |
| return setPropertyString("Name", name); |
| } |
| |
| //TODO(): setPropertyString, setPropertyInteger, setPropertyBoolean |
| // Either have a single property function with Object as the parameter |
| // or have a function for each property and then obfuscate in the JNI layer. |
| // The following looks dirty. |
| private boolean setPropertyString(String key, String value) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return setAdapterPropertyStringNative(key, value); |
| } |
| |
| private boolean setPropertyInteger(String key, int value) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return setAdapterPropertyIntegerNative(key, value); |
| } |
| |
| private boolean setPropertyBoolean(String key, boolean value) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return setAdapterPropertyBooleanNative(key, value ? 1 : 0); |
| } |
| |
| /** |
| * Set the discoverability window for the device. A timeout of zero |
| * makes the device permanently discoverable (if the device is |
| * discoverable). Setting the timeout to a nonzero value does not make |
| * a device discoverable; you need to call setMode() to make the device |
| * explicitly discoverable. |
| * |
| * @param timeout_s The discoverable timeout in seconds. |
| */ |
| public synchronized boolean setDiscoverableTimeout(int timeout) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| return setPropertyInteger("DiscoverableTimeout", timeout); |
| } |
| |
| public synchronized boolean setScanMode(int mode) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| boolean pairable = false; |
| boolean discoverable = false; |
| switch (mode) { |
| case BluetoothAdapter.SCAN_MODE_NONE: |
| pairable = false; |
| discoverable = false; |
| break; |
| case BluetoothAdapter.SCAN_MODE_CONNECTABLE: |
| pairable = true; |
| discoverable = false; |
| break; |
| case BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE: |
| pairable = true; |
| discoverable = true; |
| break; |
| default: |
| Log.w(TAG, "Requested invalid scan mode " + mode); |
| return false; |
| } |
| setPropertyBoolean("Pairable", pairable); |
| setPropertyBoolean("Discoverable", discoverable); |
| |
| return true; |
| } |
| |
| /*package*/ synchronized String getProperty (String name) { |
| if (!mAdapterProperties.isEmpty()) |
| return mAdapterProperties.get(name); |
| getAllProperties(); |
| return mAdapterProperties.get(name); |
| } |
| |
| public synchronized String getAddress() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return getProperty("Address"); |
| } |
| |
| public synchronized String getName() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return getProperty("Name"); |
| } |
| |
| /** |
| * Returns the user-friendly name of a remote device. This value is |
| * returned from our local cache, which is updated when onPropertyChange |
| * event is received. |
| * Do not expect to retrieve the updated remote name immediately after |
| * changing the name on the remote device. |
| * |
| * @param address Bluetooth address of remote device. |
| * |
| * @return The user-friendly name of the specified remote device. |
| */ |
| public synchronized String getRemoteName(String address) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| return null; |
| } |
| Map <String, String> properties = mDeviceProperties.get(address); |
| if (properties != null) return properties.get("Name"); |
| return null; |
| } |
| |
| /** |
| * Get the discoverability window for the device. A timeout of zero |
| * means that the device is permanently discoverable (if the device is |
| * in the discoverable mode). |
| * |
| * @return The discoverability window of the device, in seconds. A negative |
| * value indicates an error. |
| */ |
| public synchronized int getDiscoverableTimeout() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| String timeout = getProperty("DiscoverableTimeout"); |
| if (timeout != null) |
| return Integer.valueOf(timeout); |
| else |
| return -1; |
| } |
| |
| public synchronized int getScanMode() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| if (!isEnabled()) |
| return BluetoothAdapter.SCAN_MODE_NONE; |
| |
| boolean pairable = getProperty("Pairable").equals("true"); |
| boolean discoverable = getProperty("Discoverable").equals("true"); |
| return bluezStringToScanMode (pairable, discoverable); |
| } |
| |
| public synchronized boolean startDiscovery() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| if (!isEnabled()) { |
| return false; |
| } |
| return startDiscoveryNative(); |
| } |
| |
| public synchronized boolean cancelDiscovery() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| return stopDiscoveryNative(); |
| } |
| |
| public synchronized boolean isDiscovering() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return mIsDiscovering; |
| } |
| |
| /* package */ void setIsDiscovering(boolean isDiscovering) { |
| mIsDiscovering = isDiscovering; |
| } |
| |
| public synchronized boolean createBond(String address) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| return false; |
| } |
| address = address.toUpperCase(); |
| |
| String[] bonding = mBondState.listInState(BluetoothDevice.BOND_BONDING); |
| if (bonding.length > 0 && !bonding[0].equals(address)) { |
| log("Ignoring createBond(): another device is bonding"); |
| // a different device is currently bonding, fail |
| return false; |
| } |
| |
| // Check for bond state only if we are not performing auto |
| // pairing exponential back-off attempts. |
| if (!mBondState.isAutoPairingAttemptsInProgress(address) && |
| mBondState.getBondState(address) != BluetoothDevice.BOND_NONE) { |
| log("Ignoring createBond(): this device is already bonding or bonded"); |
| return false; |
| } |
| |
| if (!createPairedDeviceNative(address, 60000 /* 1 minute */)) { |
| return false; |
| } |
| |
| mBondState.setBondState(address, BluetoothDevice.BOND_BONDING); |
| return true; |
| } |
| |
| public synchronized boolean cancelBondProcess(String address) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| return false; |
| } |
| address = address.toUpperCase(); |
| if (mBondState.getBondState(address) != BluetoothDevice.BOND_BONDING) { |
| return false; |
| } |
| |
| mBondState.setBondState(address, BluetoothDevice.BOND_NONE, |
| BluetoothDevice.UNBOND_REASON_AUTH_CANCELED); |
| cancelDeviceCreationNative(address); |
| return true; |
| } |
| |
| public synchronized boolean removeBond(String address) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| return false; |
| } |
| return removeDeviceNative(getObjectPathFromAddress(address)); |
| } |
| |
| public synchronized String[] listBonds() { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return mBondState.listInState(BluetoothDevice.BOND_BONDED); |
| } |
| |
| public synchronized int getBondState(String address) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| return BluetoothDevice.ERROR; |
| } |
| return mBondState.getBondState(address.toUpperCase()); |
| } |
| |
| /*package*/ boolean isRemoteDeviceInCache(String address) { |
| return (mDeviceProperties.get(address) != null); |
| } |
| |
| /*package*/ String[] getRemoteDeviceProperties(String address) { |
| String objectPath = getObjectPathFromAddress(address); |
| return (String [])getDevicePropertiesNative(objectPath); |
| } |
| |
| /*package*/ synchronized String getRemoteDeviceProperty(String address, String property) { |
| Map<String, String> properties = mDeviceProperties.get(address); |
| if (properties != null) { |
| return properties.get(property); |
| } else { |
| // Query for remote device properties, again. |
| // We will need to reload the cache when we switch Bluetooth on / off |
| // or if we crash. |
| String[] propValues = getRemoteDeviceProperties(address); |
| if (propValues != null) { |
| addRemoteDeviceProperties(address, propValues); |
| return getRemoteDeviceProperty(address, property); |
| } |
| } |
| Log.e(TAG, "getRemoteDeviceProperty: " + property + "not present:" + address); |
| return null; |
| } |
| |
| /* package */ synchronized void addRemoteDeviceProperties(String address, String[] properties) { |
| /* |
| * We get a DeviceFound signal every time RSSI changes or name changes. |
| * Don't create a new Map object every time */ |
| Map<String, String> propertyValues = mDeviceProperties.get(address); |
| if (propertyValues == null) { |
| propertyValues = new HashMap<String, String>(); |
| } |
| |
| for (int i = 0; i < properties.length; i++) { |
| String name = properties[i]; |
| String newValue = null; |
| int len; |
| if (name == null) { |
| Log.e(TAG, "Error: Remote Device Property at index" + i + "is null"); |
| continue; |
| } |
| if (name.equals("UUIDs") || name.equals("Nodes")) { |
| StringBuilder str = new StringBuilder(); |
| len = Integer.valueOf(properties[++i]); |
| for (int j = 0; j < len; j++) { |
| str.append(properties[++i]); |
| str.append(","); |
| } |
| if (len > 0) { |
| newValue = str.toString(); |
| } |
| } else { |
| newValue = properties[++i]; |
| } |
| |
| propertyValues.put(name, newValue); |
| } |
| mDeviceProperties.put(address, propertyValues); |
| } |
| |
| /* package */ void removeRemoteDeviceProperties(String address) { |
| mDeviceProperties.remove(address); |
| } |
| |
| /* package */ synchronized void setRemoteDeviceProperty(String address, String name, |
| String value) { |
| Map <String, String> propVal = mDeviceProperties.get(address); |
| if (propVal != null) { |
| propVal.put(name, value); |
| mDeviceProperties.put(address, propVal); |
| } else { |
| Log.e(TAG, "setRemoteDeviceProperty for a device not in cache:" + address); |
| } |
| } |
| |
| /** |
| * Sets the remote device trust state. |
| * |
| * @return boolean to indicate operation success or fail |
| */ |
| public synchronized boolean setTrust(String address, boolean value) { |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return false; |
| } |
| |
| return setDevicePropertyBooleanNative(getObjectPathFromAddress(address), "Trusted", |
| value ? 1 : 0); |
| } |
| |
| /** |
| * Gets the remote device trust state as boolean. |
| * Note: this value may be |
| * retrieved from cache if we retrieved the data before * |
| * |
| * @return boolean to indicate trust or untrust state |
| */ |
| public synchronized boolean getTrustState(String address) { |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return false; |
| } |
| |
| String val = getRemoteDeviceProperty(address, "Trusted"); |
| if (val == null) { |
| return false; |
| } else { |
| return val.equals("true") ? true : false; |
| } |
| } |
| |
| /** |
| * Gets the remote major, minor classes encoded as a 32-bit |
| * integer. |
| * |
| * Note: this value is retrieved from cache, because we get it during |
| * remote-device discovery. |
| * |
| * @return 32-bit integer encoding the remote major, minor, and service |
| * classes. |
| */ |
| public synchronized int getRemoteClass(String address) { |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| return BluetoothClass.ERROR; |
| } |
| String val = getRemoteDeviceProperty(address, "Class"); |
| if (val == null) |
| return BluetoothClass.ERROR; |
| else { |
| return Integer.valueOf(val); |
| } |
| } |
| |
| |
| /** |
| * Gets the remote features encoded as bit mask. |
| * |
| * Note: This method may be obsoleted soon. |
| * |
| * @return String array of 128bit UUIDs |
| */ |
| public synchronized String[] getRemoteUuids(String address) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| return null; |
| } |
| String value = getRemoteDeviceProperty(address, "UUIDs"); |
| String[] uuids = null; |
| // The UUIDs are stored as a "," separated string. |
| if (value != null) |
| uuids = value.split(","); |
| return uuids; |
| } |
| |
| /** |
| * Gets the rfcomm channel associated with the UUID. |
| * |
| * @param address Address of the remote device |
| * @param uuid UUID of the service attribute |
| * |
| * @return rfcomm channel associated with the service attribute |
| */ |
| public int getRemoteServiceChannel(String address, String uuid) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission"); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| return BluetoothDevice.ERROR; |
| } |
| return getDeviceServiceChannelNative(getObjectPathFromAddress(address), uuid, 0x0004); |
| } |
| |
| public synchronized boolean setPin(String address, byte[] pin) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| if (pin == null || pin.length <= 0 || pin.length > 16 || |
| !BluetoothAdapter.checkBluetoothAddress(address)) { |
| return false; |
| } |
| address = address.toUpperCase(); |
| Integer data = mEventLoop.getPasskeyAgentRequestData().remove(address); |
| if (data == null) { |
| Log.w(TAG, "setPin(" + address + ") called but no native data available, " + |
| "ignoring. Maybe the PasskeyAgent Request was cancelled by the remote device" + |
| " or by bluez.\n"); |
| return false; |
| } |
| // bluez API wants pin as a string |
| String pinString; |
| try { |
| pinString = new String(pin, "UTF8"); |
| } catch (UnsupportedEncodingException uee) { |
| Log.e(TAG, "UTF8 not supported?!?"); |
| return false; |
| } |
| return setPinNative(address, pinString, data.intValue()); |
| } |
| |
| public synchronized boolean setPasskey(String address, int passkey) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| if (passkey < 0 || passkey > 999999 || !BluetoothAdapter.checkBluetoothAddress(address)) { |
| return false; |
| } |
| address = address.toUpperCase(); |
| Integer data = mEventLoop.getPasskeyAgentRequestData().remove(address); |
| if (data == null) { |
| Log.w(TAG, "setPasskey(" + address + ") called but no native data available, " + |
| "ignoring. Maybe the PasskeyAgent Request was cancelled by the remote device" + |
| " or by bluez.\n"); |
| return false; |
| } |
| return setPasskeyNative(address, passkey, data.intValue()); |
| } |
| |
| public synchronized boolean setPairingConfirmation(String address, boolean confirm) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| address = address.toUpperCase(); |
| Integer data = mEventLoop.getPasskeyAgentRequestData().remove(address); |
| if (data == null) { |
| Log.w(TAG, "setPasskey(" + address + ") called but no native data available, " + |
| "ignoring. Maybe the PasskeyAgent Request was cancelled by the remote device" + |
| " or by bluez.\n"); |
| return false; |
| } |
| return setPairingConfirmationNative(address, confirm, data.intValue()); |
| } |
| |
| public synchronized boolean cancelPairingUserInput(String address) { |
| mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, |
| "Need BLUETOOTH_ADMIN permission"); |
| if (!BluetoothAdapter.checkBluetoothAddress(address)) { |
| return false; |
| } |
| mBondState.setBondState(address, BluetoothDevice.BOND_NONE, |
| BluetoothDevice.UNBOND_REASON_AUTH_CANCELED); |
| address = address.toUpperCase(); |
| Integer data = mEventLoop.getPasskeyAgentRequestData().remove(address); |
| if (data == null) { |
| Log.w(TAG, "cancelUserInputNative(" + address + ") called but no native data " + |
| "available, ignoring. Maybe the PasskeyAgent Request was already cancelled " + |
| "by the remote or by bluez.\n"); |
| return false; |
| } |
| return cancelPairingUserInputNative(address, data.intValue()); |
| } |
| |
| private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_AIRPLANE_MODE_CHANGED)) { |
| ContentResolver resolver = context.getContentResolver(); |
| // Query the airplane mode from Settings.System just to make sure that |
| // some random app is not sending this intent and disabling bluetooth |
| boolean enabled = !isAirplaneModeOn(); |
| // If bluetooth is currently expected to be on, then enable or disable bluetooth |
| if (Settings.Secure.getInt(resolver, Settings.Secure.BLUETOOTH_ON, 0) > 0) { |
| if (enabled) { |
| enable(false); |
| } else { |
| disable(false); |
| } |
| } |
| } |
| } |
| }; |
| |
| private void registerForAirplaneMode() { |
| String airplaneModeRadios = Settings.System.getString(mContext.getContentResolver(), |
| Settings.System.AIRPLANE_MODE_RADIOS); |
| mIsAirplaneSensitive = airplaneModeRadios == null |
| ? true : airplaneModeRadios.contains(Settings.System.RADIO_BLUETOOTH); |
| if (mIsAirplaneSensitive) { |
| mIntentFilter = new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED); |
| mContext.registerReceiver(mReceiver, mIntentFilter); |
| } |
| } |
| |
| /* Returns true if airplane mode is currently on */ |
| private final boolean isAirplaneModeOn() { |
| return Settings.System.getInt(mContext.getContentResolver(), |
| Settings.System.AIRPLANE_MODE_ON, 0) == 1; |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("\nmIsAirplaneSensitive = " + mIsAirplaneSensitive + "\n"); |
| |
| switch(mBluetoothState) { |
| case BluetoothAdapter.STATE_OFF: |
| pw.println("\nBluetooth OFF\n"); |
| return; |
| case BluetoothAdapter.STATE_TURNING_ON: |
| pw.println("\nBluetooth TURNING ON\n"); |
| return; |
| case BluetoothAdapter.STATE_TURNING_OFF: |
| pw.println("\nBluetooth TURNING OFF\n"); |
| return; |
| case BluetoothAdapter.STATE_ON: |
| pw.println("\nBluetooth ON\n"); |
| } |
| |
| pw.println("\nLocal address = " + getAddress()); |
| pw.println("\nLocal name = " + getName()); |
| pw.println("\nisDiscovering() = " + isDiscovering()); |
| |
| BluetoothHeadset headset = new BluetoothHeadset(mContext, null); |
| |
| pw.println("\n--Known devices--"); |
| for (String address : mDeviceProperties.keySet()) { |
| int bondState = mBondState.getBondState(address); |
| pw.printf("%s %10s (%d) %s\n", address, |
| toBondStateString(bondState), |
| mBondState.getAttempt(address), |
| getRemoteName(address)); |
| if (bondState == BluetoothDevice.BOND_BONDED) { |
| String[] uuids = getRemoteUuids(address); |
| if (uuids == null) { |
| pw.printf("\tuuids = null\n"); |
| } else { |
| for (String uuid : uuids) { |
| pw.printf("\t" + uuid + "\n"); |
| } |
| } |
| } |
| } |
| |
| String value = getProperty("Devices"); |
| String[] devicesObjectPath = null; |
| if (value != null) { |
| devicesObjectPath = value.split(","); |
| } |
| pw.println("\n--ACL connected devices--"); |
| for (String device : devicesObjectPath) { |
| pw.println(getAddressFromObjectPath(device)); |
| } |
| |
| // Rather not do this from here, but no-where else and I need this |
| // dump |
| pw.println("\n--Headset Service--"); |
| switch (headset.getState()) { |
| case BluetoothHeadset.STATE_DISCONNECTED: |
| pw.println("getState() = STATE_DISCONNECTED"); |
| break; |
| case BluetoothHeadset.STATE_CONNECTING: |
| pw.println("getState() = STATE_CONNECTING"); |
| break; |
| case BluetoothHeadset.STATE_CONNECTED: |
| pw.println("getState() = STATE_CONNECTED"); |
| break; |
| case BluetoothHeadset.STATE_ERROR: |
| pw.println("getState() = STATE_ERROR"); |
| break; |
| } |
| pw.println("getCurrentHeadset() = " + headset.getCurrentHeadset()); |
| pw.println("getBatteryUsageHint() = " + headset.getBatteryUsageHint()); |
| |
| headset.close(); |
| } |
| |
| /* package */ static int bluezStringToScanMode(boolean pairable, boolean discoverable) { |
| if (pairable && discoverable) |
| return BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE; |
| else if (pairable && !discoverable) |
| return BluetoothAdapter.SCAN_MODE_CONNECTABLE; |
| else |
| return BluetoothAdapter.SCAN_MODE_NONE; |
| } |
| |
| /* package */ static String scanModeToBluezString(int mode) { |
| switch (mode) { |
| case BluetoothAdapter.SCAN_MODE_NONE: |
| return "off"; |
| case BluetoothAdapter.SCAN_MODE_CONNECTABLE: |
| return "connectable"; |
| case BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE: |
| return "discoverable"; |
| } |
| return null; |
| } |
| |
| /*package*/ String getAddressFromObjectPath(String objectPath) { |
| String adapterObjectPath = getProperty("ObjectPath"); |
| if (adapterObjectPath == null || objectPath == null) { |
| Log.e(TAG, "getAddressFromObjectPath: AdpaterObjectPath:" + adapterObjectPath + |
| " or deviceObjectPath:" + objectPath + " is null"); |
| return null; |
| } |
| if (!objectPath.startsWith(adapterObjectPath)) { |
| Log.e(TAG, "getAddressFromObjectPath: AdpaterObjectPath:" + adapterObjectPath + |
| " is not a prefix of deviceObjectPath:" + objectPath + |
| "bluetoothd crashed ?"); |
| return null; |
| } |
| String address = objectPath.substring(adapterObjectPath.length()); |
| if (address != null) return address.replace('_', ':'); |
| |
| Log.e(TAG, "getAddressFromObjectPath: Address being returned is null"); |
| return null; |
| } |
| |
| /*package*/ String getObjectPathFromAddress(String address) { |
| String path = getProperty("ObjectPath"); |
| if (path == null) { |
| Log.e(TAG, "Error: Object Path is null"); |
| return null; |
| } |
| path = path + address.replace(":", "_"); |
| return path; |
| } |
| |
| private static void log(String msg) { |
| Log.d(TAG, msg); |
| } |
| |
| private native static void classInitNative(); |
| private native void initializeNativeDataNative(); |
| private native boolean setupNativeDataNative(); |
| private native boolean tearDownNativeDataNative(); |
| private native void cleanupNativeDataNative(); |
| private native String getAdapterPathNative(); |
| |
| private native int isEnabledNative(); |
| private native int enableNative(); |
| private native int disableNative(); |
| |
| private native Object[] getAdapterPropertiesNative(); |
| private native Object[] getDevicePropertiesNative(String objectPath); |
| private native boolean setAdapterPropertyStringNative(String key, String value); |
| private native boolean setAdapterPropertyIntegerNative(String key, int value); |
| private native boolean setAdapterPropertyBooleanNative(String key, int value); |
| |
| private native boolean startDiscoveryNative(); |
| private native boolean stopDiscoveryNative(); |
| |
| private native boolean createPairedDeviceNative(String address, int timeout_ms); |
| private native boolean cancelDeviceCreationNative(String address); |
| private native boolean removeDeviceNative(String objectPath); |
| private native int getDeviceServiceChannelNative(String objectPath, String uuid, |
| int attributeId); |
| |
| private native boolean cancelPairingUserInputNative(String address, int nativeData); |
| private native boolean setPinNative(String address, String pin, int nativeData); |
| private native boolean setPasskeyNative(String address, int passkey, int nativeData); |
| private native boolean setPairingConfirmationNative(String address, boolean confirm, |
| int nativeData); |
| private native boolean setDevicePropertyBooleanNative(String objectPath, String key, int value); |
| } |