src/com/android/settings/bluetooth/DockService.java

   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 com.android.settings.bluetooth;
  18
  19 import com.android.settings.R;
  20 import com.android.settings.bluetooth.LocalBluetoothProfileManager.Profile;
  21 import com.android.settings.bluetooth.LocalBluetoothProfileManager.ServiceListener;
  22
  23 import android.app.AlertDialog;
  24 import android.app.Notification;
  25 import android.app.Service;
  26 import android.bluetooth.BluetoothA2dp;
  27 import android.bluetooth.BluetoothAdapter;
  28 import android.bluetooth.BluetoothDevice;
  29 import android.bluetooth.BluetoothHeadset;
  30 import android.content.Context;
  31 import android.content.DialogInterface;
  32 import android.content.Intent;
  33 import android.content.IntentFilter;
  34 import android.content.SharedPreferences;
  35 import android.os.Handler;
  36 import android.os.HandlerThread;
  37 import android.os.IBinder;
  38 import android.os.Looper;
  39 import android.os.Message;
  40 import android.util.Log;
  41 import android.view.LayoutInflater;
  42 import android.view.View;
  43 import android.view.WindowManager;
  44 import android.widget.CheckBox;
  45 import android.widget.CompoundButton;
  46
  47 import java.util.List;
  48 import java.util.Set;
  49
  50 public class DockService extends Service implements AlertDialog.OnMultiChoiceClickListener,
  51         DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
  52         CompoundButton.OnCheckedChangeListener, ServiceListener {
  53
  54     private static final String TAG = "DockService";
  55
  56     static final boolean DEBUG = false;
  57
  58     // Time allowed for the device to be undocked and redocked without severing
  59     // the bluetooth connection
  60     private static final long UNDOCKED_GRACE_PERIOD = 1000;
  61
  62     // Time allowed for the device to be undocked and redocked without turning
  63     // off Bluetooth
  64     private static final long DISABLE_BT_GRACE_PERIOD = 2000;
  65
  66     // Msg for user wanting the UI to setup the dock
  67     private static final int MSG_TYPE_SHOW_UI = 111;
  68
  69     // Msg for device docked event
  70     private static final int MSG_TYPE_DOCKED = 222;
  71
  72     // Msg for device undocked event
  73     private static final int MSG_TYPE_UNDOCKED_TEMPORARY = 333;
  74
  75     // Msg for undocked command to be process after UNDOCKED_GRACE_PERIOD millis
  76     // since MSG_TYPE_UNDOCKED_TEMPORARY
  77     private static final int MSG_TYPE_UNDOCKED_PERMANENT = 444;
  78
  79     // Msg for disabling bt after DISABLE_BT_GRACE_PERIOD millis since
  80     // MSG_TYPE_UNDOCKED_PERMANENT
  81     private static final int MSG_TYPE_DISABLE_BT = 555;
  82
  83     private static final String SHARED_PREFERENCES_NAME = "dock_settings";
  84
  85     private static final String SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED =
  86         "disable_bt_when_undock";
  87
  88     private static final String SHARED_PREFERENCES_KEY_DISABLE_BT =
  89         "disable_bt";
  90
  91     private static final String SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT =
  92         "connect_retry_count";
  93
  94     /*
  95      * If disconnected unexpectedly, reconnect up to 6 times. Each profile counts
  96      * as one time so it's only 3 times for both profiles on the car dock.
  97      */
  98     private static final int MAX_CONNECT_RETRY = 6;
  99
 100     private static final int INVALID_STARTID = -100;
 101
 102     // Created in OnCreate()
 103     private volatile Looper mServiceLooper;
 104     private volatile ServiceHandler mServiceHandler;
 105     private Runnable mRunnable;
 106     private DockService mContext;
 107     private LocalBluetoothManager mBtManager;
 108
 109     // Normally set after getting a docked event and unset when the connection
 110     // is severed. One exception is that mDevice could be null if the service
 111     // was started after the docked event.
 112     private BluetoothDevice mDevice;
 113
 114     // Created and used for the duration of the dialog
 115     private AlertDialog mDialog;
 116     private Profile[] mProfiles;
 117     private boolean[] mCheckedItems;
 118     private int mStartIdAssociatedWithDialog;
 119
 120     // Set while BT is being enabled.
 121     private BluetoothDevice mPendingDevice;
 122     private int mPendingStartId;
 123     private int mPendingTurnOnStartId = INVALID_STARTID;
 124     private int mPendingTurnOffStartId = INVALID_STARTID;
 125
 126     @Override
 127     public void onCreate() {
 128         if (DEBUG) Log.d(TAG, "onCreate");
 129
 130         mBtManager = LocalBluetoothManager.getInstance(this);
 131         mContext = this;
 132
 133         HandlerThread thread = new HandlerThread("DockService");
 134         thread.start();
 135
 136         mServiceLooper = thread.getLooper();
 137         mServiceHandler = new ServiceHandler(mServiceLooper);
 138     }
 139
 140     @Override
 141     public void onDestroy() {
 142         if (DEBUG) Log.d(TAG, "onDestroy");
 143         mRunnable = null;
 144         LocalBluetoothProfileManager.removeServiceListener(this);
 145         if (mDialog != null) {
 146             mDialog.dismiss();
 147             mDialog = null;
 148         }
 149         mServiceLooper.quit();
 150     }
 151
 152     @Override
 153     public IBinder onBind(Intent intent) {
 154         // not supported
 155         return null;
 156     }
 157
 158     @Override
 159     public int onStartCommand(Intent intent, int flags, int startId) {
 160         if (DEBUG) Log.d(TAG, "onStartCommand startId:" + startId + " flags: " + flags);
 161
 162         if (intent == null) {
 163             // Nothing to process, stop.
 164             if (DEBUG) Log.d(TAG, "START_NOT_STICKY - intent is null.");
 165
 166             // NOTE: We MUST not call stopSelf() directly, since we need to
 167             // make sure the wake lock acquired by the Receiver is released.
 168             DockEventReceiver.finishStartingService(this, startId);
 169             return START_NOT_STICKY;
 170         }
 171
 172         if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
 173             handleBtStateChange(intent, startId);
 174             return START_NOT_STICKY;
 175         }
 176
 177         /*
 178          * This assumes that the intent sender has checked that this is a dock
 179          * and that the intent is for a disconnect
 180          */
 181         if (BluetoothHeadset.ACTION_STATE_CHANGED.equals(intent.getAction())) {
 182             BluetoothDevice disconnectedDevice = intent
 183                     .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 184
 185             int retryCount = getSettingInt(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT, 0);
 186             if (retryCount < MAX_CONNECT_RETRY) {
 187                 setSettingInt(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT, retryCount + 1);
 188                 handleUnexpectedDisconnect(disconnectedDevice, Profile.HEADSET, startId);
 189             }
 190             return START_NOT_STICKY;
 191         } else if (BluetoothA2dp.ACTION_SINK_STATE_CHANGED.equals(intent.getAction())) {
 192             BluetoothDevice disconnectedDevice = intent
 193                     .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 194
 195             int retryCount = getSettingInt(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT, 0);
 196             if (retryCount < MAX_CONNECT_RETRY) {
 197                 setSettingInt(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT, retryCount + 1);
 198                 handleUnexpectedDisconnect(disconnectedDevice, Profile.A2DP, startId);
 199             }
 200             return START_NOT_STICKY;
 201         }
 202
 203         Message msg = parseIntent(intent);
 204         if (msg == null) {
 205             // Bad intent
 206             if (DEBUG) Log.d(TAG, "START_NOT_STICKY - Bad intent.");
 207             DockEventReceiver.finishStartingService(this, startId);
 208             return START_NOT_STICKY;
 209         }
 210
 211         if (msg.what == MSG_TYPE_DOCKED) {
 212             removeSetting(SHARED_PREFERENCES_KEY_CONNECT_RETRY_COUNT);
 213         }
 214
 215         msg.arg2 = startId;
 216         processMessage(msg);
 217
 218         return START_NOT_STICKY;
 219     }
 220
 221     private final class ServiceHandler extends Handler {
 222         public ServiceHandler(Looper looper) {
 223             super(looper);
 224         }
 225
 226         @Override
 227         public void handleMessage(Message msg) {
 228             processMessage(msg);
 229         }
 230     }
 231
 232     // This method gets messages from both onStartCommand and mServiceHandler/mServiceLooper
 233     private synchronized void processMessage(Message msg) {
 234         int msgType = msg.what;
 235         final int state = msg.arg1;
 236         final int startId = msg.arg2;
 237         boolean deferFinishCall = false;
 238         BluetoothDevice device = null;
 239         if (msg.obj != null) {
 240             device = (BluetoothDevice) msg.obj;
 241         }
 242
 243         if(DEBUG) Log.d(TAG, "processMessage: " + msgType + " state: " + state + " device = "
 244                 + (device == null ? "null" : device.toString()));
 245
 246         switch (msgType) {
 247             case MSG_TYPE_SHOW_UI:
 248                 if (mDialog != null) {
 249                     // Shouldn't normally happen
 250                     mDialog.dismiss();
 251                     mDialog = null;
 252                 }
 253                 mDevice = device;
 254                 createDialog(mContext, mDevice, state, startId);
 255                 break;
 256
 257             case MSG_TYPE_DOCKED:
 258                 if (DEBUG) {
 259                     // TODO figure out why hasMsg always returns false if device
 260                     // is supplied
 261                     Log.d(TAG, "1 Has undock perm msg = "
 262                             + mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, mDevice));
 263                     Log.d(TAG, "2 Has undock perm msg = "
 264                             + mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, device));
 265                 }
 266
 267                 mServiceHandler.removeMessages(MSG_TYPE_UNDOCKED_PERMANENT);
 268                 mServiceHandler.removeMessages(MSG_TYPE_DISABLE_BT);
 269                 removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
 270
 271                 if (!device.equals(mDevice)) {
 272                     if (mDevice != null) {
 273                         // Not expected. Cleanup/undock existing
 274                         handleUndocked(mContext, mBtManager, mDevice);
 275                     }
 276
 277                     mDevice = device;
 278
 279                     // Register first in case LocalBluetoothProfileManager
 280                     // becomes ready after isManagerReady is called and it
 281                     // would be too late to register a service listener.
 282                     LocalBluetoothProfileManager.addServiceListener(this);
 283                     if (LocalBluetoothProfileManager.isManagerReady()) {
 284                         handleDocked(device, state, startId);
 285                         // Not needed after all
 286                         LocalBluetoothProfileManager.removeServiceListener(this);
 287                     } else {
 288                         final BluetoothDevice d = device;
 289                         mRunnable = new Runnable() {
 290                             public void run() {
 291                                 handleDocked(d, state, startId);
 292                             }
 293                         };
 294                         deferFinishCall = true;
 295                     }
 296                 }
 297                 break;
 298
 299             case MSG_TYPE_UNDOCKED_PERMANENT:
 300                 // Grace period passed. Disconnect.
 301                 handleUndocked(mContext, mBtManager, device);
 302
 303                 if (DEBUG) {
 304                     Log.d(TAG, "DISABLE_BT_WHEN_UNDOCKED = "
 305                             + getSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED));
 306                 }
 307
 308                 if (getSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED)) {
 309                     // BT was disabled when we first docked
 310                     if (!hasOtherConnectedDevices(device)) {
 311                         if(DEBUG) Log.d(TAG, "QUEUED BT DISABLE");
 312                         // Queue a delayed msg to disable BT
 313                         Message newMsg = mServiceHandler.obtainMessage(MSG_TYPE_DISABLE_BT, 0,
 314                                 startId, null);
 315                         mServiceHandler.sendMessageDelayed(newMsg, DISABLE_BT_GRACE_PERIOD);
 316                         deferFinishCall = true;
 317                     } else {
 318                         // Don't disable BT if something is connected
 319                         removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
 320                     }
 321                 }
 322                 break;
 323
 324             case MSG_TYPE_UNDOCKED_TEMPORARY:
 325                 // Undocked event received. Queue a delayed msg to sever connection
 326                 Message newMsg = mServiceHandler.obtainMessage(MSG_TYPE_UNDOCKED_PERMANENT, state,
 327                         startId, device);
 328                 mServiceHandler.sendMessageDelayed(newMsg, UNDOCKED_GRACE_PERIOD);
 329                 break;
 330
 331             case MSG_TYPE_DISABLE_BT:
 332                 if(DEBUG) Log.d(TAG, "BT DISABLE");
 333                 if (mBtManager.getBluetoothAdapter().disable()) {
 334                     removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
 335                 } else {
 336                     // disable() returned an error. Persist a flag to disable BT later
 337                     setSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT, true);
 338                     mPendingTurnOffStartId = startId;
 339                     deferFinishCall = true;
 340                     if(DEBUG) Log.d(TAG, "disable failed. try again later " + startId);
 341                 }
 342                 break;
 343         }
 344
 345         if (mDialog == null && mPendingDevice == null && msgType != MSG_TYPE_UNDOCKED_TEMPORARY
 346                 && !deferFinishCall) {
 347             // NOTE: We MUST not call stopSelf() directly, since we need to
 348             // make sure the wake lock acquired by the Receiver is released.
 349             DockEventReceiver.finishStartingService(DockService.this, startId);
 350         }
 351     }
 352
 353     public synchronized boolean hasOtherConnectedDevices(BluetoothDevice dock) {
 354         List<CachedBluetoothDevice> cachedDevices = mBtManager.getCachedDeviceManager()
 355                 .getCachedDevicesCopy();
 356         Set<BluetoothDevice> btDevices = mBtManager.getBluetoothAdapter().getBondedDevices();
 357         if (btDevices == null || cachedDevices == null || btDevices.size() == 0) {
 358             return false;
 359         }
 360         if(DEBUG) Log.d(TAG, "btDevices = " + btDevices.size());
 361         if(DEBUG) Log.d(TAG, "cachedDevices = " + cachedDevices.size());
 362
 363         for (CachedBluetoothDevice device : cachedDevices) {
 364             BluetoothDevice btDevice = device.getDevice();
 365             if (!btDevice.equals(dock) && btDevices.contains(btDevice) && device.isConnected()) {
 366                 if(DEBUG) Log.d(TAG, "connected device = " + device.getName());
 367                 return true;
 368             }
 369         }
 370         return false;
 371     }
 372
 373     private Message parseIntent(Intent intent) {
 374         BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 375         int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1234);
 376
 377         if (DEBUG) {
 378             Log.d(TAG, "Action: " + intent.getAction() + " State:" + state
 379                     + " Device: " + (device == null ? "null" : device.getName()));
 380         }
 381
 382         if (device == null) {
 383             Log.w(TAG, "device is null");
 384             return null;
 385         }
 386
 387         int msgType;
 388         switch (state) {
 389             case Intent.EXTRA_DOCK_STATE_UNDOCKED:
 390                 msgType = MSG_TYPE_UNDOCKED_TEMPORARY;
 391                 break;
 392             case Intent.EXTRA_DOCK_STATE_DESK:
 393             case Intent.EXTRA_DOCK_STATE_CAR:
 394                 if (DockEventReceiver.ACTION_DOCK_SHOW_UI.equals(intent.getAction())) {
 395                     msgType = MSG_TYPE_SHOW_UI;
 396                 } else {
 397                     msgType = MSG_TYPE_DOCKED;
 398                 }
 399                 break;
 400             default:
 401                 return null;
 402         }
 403
 404         return mServiceHandler.obtainMessage(msgType, state, 0, device);
 405     }
 406
 407     private boolean createDialog(DockService service, BluetoothDevice device, int state,
 408             int startId) {
 409         switch (state) {
 410             case Intent.EXTRA_DOCK_STATE_CAR:
 411             case Intent.EXTRA_DOCK_STATE_DESK:
 412                 break;
 413             default:
 414                 return false;
 415         }
 416
 417         startForeground(0, new Notification());
 418
 419         // Device in a new dock.
 420         boolean firstTime = !mBtManager.hasDockAutoConnectSetting(device.getAddress());
 421
 422         CharSequence[] items = initBtSettings(service, device, state, firstTime);
 423
 424         final AlertDialog.Builder ab = new AlertDialog.Builder(service);
 425         ab.setTitle(service.getString(R.string.bluetooth_dock_settings_title));
 426
 427         // Profiles
 428         ab.setMultiChoiceItems(items, mCheckedItems, service);
 429
 430         // Remember this settings
 431         LayoutInflater inflater = (LayoutInflater) service
 432                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 433         float pixelScaleFactor = service.getResources().getDisplayMetrics().density;
 434         View view = inflater.inflate(R.layout.remember_dock_setting, null);
 435         CheckBox rememberCheckbox = (CheckBox) view.findViewById(R.id.remember);
 436
 437         // check "Remember setting" by default if no value was saved
 438         boolean checked = firstTime || mBtManager.getDockAutoConnectSetting(device.getAddress());
 439         rememberCheckbox.setChecked(checked);
 440         rememberCheckbox.setOnCheckedChangeListener(this);
 441         int viewSpacingLeft = (int) (14 * pixelScaleFactor);
 442         int viewSpacingRight = (int) (14 * pixelScaleFactor);
 443         ab.setView(view, viewSpacingLeft, 0 /* top */, viewSpacingRight, 0 /* bottom */);
 444         if (DEBUG) {
 445             Log.d(TAG, "Auto connect = "
 446                     + mBtManager.getDockAutoConnectSetting(device.getAddress()));
 447         }
 448
 449         // Ok Button
 450         ab.setPositiveButton(service.getString(android.R.string.ok), service);
 451
 452         mStartIdAssociatedWithDialog = startId;
 453         mDialog = ab.create();
 454         mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
 455         mDialog.setOnDismissListener(service);
 456         mDialog.show();
 457         return true;
 458     }
 459
 460     // Called when the individual bt profiles are clicked.
 461     public void onClick(DialogInterface dialog, int which, boolean isChecked) {
 462         if (DEBUG) Log.d(TAG, "Item " + which + " changed to " + isChecked);
 463         mCheckedItems[which] = isChecked;
 464     }
 465
 466     // Called when the "Remember" Checkbox is clicked
 467     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 468         if (DEBUG) Log.d(TAG, "onCheckedChanged: Remember Settings = " + isChecked);
 469         if (mDevice != null) {
 470             mBtManager.saveDockAutoConnectSetting(mDevice.getAddress(), isChecked);
 471         }
 472     }
 473
 474     // Called when the dialog is dismissed
 475     public void onDismiss(DialogInterface dialog) {
 476         // NOTE: We MUST not call stopSelf() directly, since we need to
 477         // make sure the wake lock acquired by the Receiver is released.
 478         if (mPendingDevice == null) {
 479             DockEventReceiver.finishStartingService(mContext, mStartIdAssociatedWithDialog);
 480         }
 481         mContext.stopForeground(true);
 482     }
 483
 484     // Called when clicked on the OK button
 485     public void onClick(DialogInterface dialog, int which) {
 486         if (which == DialogInterface.BUTTON_POSITIVE && mDevice != null) {
 487             if (!mBtManager.hasDockAutoConnectSetting(mDevice.getAddress())) {
 488                 mBtManager.saveDockAutoConnectSetting(mDevice.getAddress(), true);
 489             }
 490
 491             applyBtSettings(mDevice, mStartIdAssociatedWithDialog);
 492         }
 493     }
 494
 495     private CharSequence[] initBtSettings(DockService service, BluetoothDevice device, int state,
 496             boolean firstTime) {
 497         // TODO Avoid hardcoding dock and profiles. Read from system properties
 498         int numOfProfiles = 0;
 499         switch (state) {
 500             case Intent.EXTRA_DOCK_STATE_DESK:
 501                 numOfProfiles = 1;
 502                 break;
 503             case Intent.EXTRA_DOCK_STATE_CAR:
 504                 numOfProfiles = 2;
 505                 break;
 506             default:
 507                 return null;
 508         }
 509
 510         mProfiles = new Profile[numOfProfiles];
 511         mCheckedItems = new boolean[numOfProfiles];
 512         CharSequence[] items = new CharSequence[numOfProfiles];
 513
 514         switch (state) {
 515             case Intent.EXTRA_DOCK_STATE_CAR:
 516                 items[0] = service.getString(R.string.bluetooth_dock_settings_headset);
 517                 items[1] = service.getString(R.string.bluetooth_dock_settings_a2dp);
 518                 mProfiles[0] = Profile.HEADSET;
 519                 mProfiles[1] = Profile.A2DP;
 520                 if (firstTime) {
 521                     // Enable by default for car dock
 522                     mCheckedItems[0] = true;
 523                     mCheckedItems[1] = true;
 524                 } else {
 525                     mCheckedItems[0] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
 526                             Profile.HEADSET).isPreferred(device);
 527                     mCheckedItems[1] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
 528                             Profile.A2DP).isPreferred(device);
 529                 }
 530                 break;
 531
 532             case Intent.EXTRA_DOCK_STATE_DESK:
 533                 items[0] = service.getString(R.string.bluetooth_dock_settings_a2dp);
 534                 mProfiles[0] = Profile.A2DP;
 535                 if (firstTime) {
 536                     // Disable by default for desk dock
 537                     mCheckedItems[0] = false;
 538                 } else {
 539                     mCheckedItems[0] = LocalBluetoothProfileManager.getProfileManager(mBtManager,
 540                             Profile.A2DP).isPreferred(device);
 541                 }
 542                 break;
 543         }
 544         return items;
 545     }
 546
 547     private void handleBtStateChange(Intent intent, int startId) {
 548         int btState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
 549         synchronized (this) {
 550             if(DEBUG) Log.d(TAG, "BtState = " + btState + " mPendingDevice = " + mPendingDevice);
 551             if (btState == BluetoothAdapter.STATE_ON) {
 552                 if (mPendingDevice != null) {
 553                     if (mPendingDevice.equals(mDevice)) {
 554                         if(DEBUG) Log.d(TAG, "applying settings");
 555                         applyBtSettings(mPendingDevice, mPendingStartId);
 556                     } else if(DEBUG) {
 557                         Log.d(TAG, "mPendingDevice  (" + mPendingDevice + ") != mDevice ("
 558                                 + mDevice + ")");
 559                     }
 560
 561                     mPendingDevice = null;
 562                     DockEventReceiver.finishStartingService(mContext, mPendingStartId);
 563                 } else {
 564                     if (DEBUG) {
 565                         Log.d(TAG, "A DISABLE_BT_WHEN_UNDOCKED = "
 566                                 + getSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED));
 567                     }
 568                     // Reconnect if docked and bluetooth was enabled by user.
 569                     Intent i = registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
 570                     if (i != null) {
 571                         int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE,
 572                                 Intent.EXTRA_DOCK_STATE_UNDOCKED);
 573                         if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
 574                             BluetoothDevice device = i
 575                                     .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 576                             if (device != null) {
 577                                 connectIfEnabled(device);
 578                             }
 579                         } else if (getSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT)
 580                                 && mBtManager.getBluetoothAdapter().disable()) {
 581                             mPendingTurnOffStartId = startId;
 582                             removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
 583                             return;
 584                         }
 585                     }
 586                 }
 587
 588                 if (mPendingTurnOnStartId != INVALID_STARTID) {
 589                     DockEventReceiver.finishStartingService(this, mPendingTurnOnStartId);
 590                     mPendingTurnOnStartId = INVALID_STARTID;
 591                 }
 592
 593                 DockEventReceiver.finishStartingService(this, startId);
 594             } else if (btState == BluetoothAdapter.STATE_TURNING_OFF) {
 595                 // Remove the flag to disable BT if someone is turning off bt.
 596                 // The rational is that:
 597                 // a) if BT is off at undock time, no work needs to be done
 598                 // b) if BT is on at undock time, the user wants it on.
 599                 removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED);
 600                 DockEventReceiver.finishStartingService(this, startId);
 601             } else if (btState == BluetoothAdapter.STATE_OFF) {
 602                 // Bluetooth was turning off as we were trying to turn it on.
 603                 // Let's try again
 604                 if(DEBUG) Log.d(TAG, "Bluetooth = OFF mPendingDevice = " + mPendingDevice);
 605
 606                 if (mPendingTurnOffStartId != INVALID_STARTID) {
 607                     DockEventReceiver.finishStartingService(this, mPendingTurnOffStartId);
 608                     removeSetting(SHARED_PREFERENCES_KEY_DISABLE_BT);
 609                     mPendingTurnOffStartId = INVALID_STARTID;
 610                 }
 611
 612                 if (mPendingDevice != null) {
 613                     mBtManager.getBluetoothAdapter().enable();
 614                     mPendingTurnOnStartId = startId;
 615                 } else {
 616                     DockEventReceiver.finishStartingService(this, startId);
 617                 }
 618             }
 619         }
 620     }
 621
 622     private void handleUnexpectedDisconnect(BluetoothDevice disconnectedDevice, Profile profile,
 623             int startId) {
 624         synchronized (this) {
 625             if (DEBUG) Log.d(TAG, "handling failed connect for " + disconnectedDevice);
 626
 627             // Reconnect if docked.
 628             if (disconnectedDevice != null) {
 629                 // registerReceiver can't be called from a BroadcastReceiver
 630                 Intent i = registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT));
 631                 if (i != null) {
 632                     int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE,
 633                             Intent.EXTRA_DOCK_STATE_UNDOCKED);
 634                     if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
 635                         BluetoothDevice dockedDevice = i
 636                                 .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
 637                         if (dockedDevice != null && dockedDevice.equals(disconnectedDevice)) {
 638                             CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext,
 639                                     mBtManager, dockedDevice);
 640                             cachedDevice.connect(profile);
 641                         }
 642                     }
 643                 }
 644             }
 645
 646             DockEventReceiver.finishStartingService(this, startId);
 647         }
 648     }
 649
 650     private synchronized void connectIfEnabled(BluetoothDevice device) {
 651         CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext, mBtManager, device);
 652         List<Profile> profiles = cachedDevice.getConnectableProfiles();
 653         for (int i = 0; i < profiles.size(); i++) {
 654             LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager
 655                     .getProfileManager(mBtManager, profiles.get(i));
 656             int auto;
 657             if (Profile.A2DP == profiles.get(i)) {
 658                 auto = BluetoothA2dp.PRIORITY_AUTO_CONNECT;
 659             } else if (Profile.HEADSET == profiles.get(i)) {
 660                 auto = BluetoothHeadset.PRIORITY_AUTO_CONNECT;
 661             } else {
 662                 continue;
 663             }
 664
 665             if (profileManager.getPreferred(device) == auto) {
 666                 cachedDevice.connect();
 667                 break;
 668             }
 669         }
 670     }
 671
 672     private synchronized void applyBtSettings(final BluetoothDevice device, int startId) {
 673         if (device == null || mProfiles == null || mCheckedItems == null)
 674             return;
 675
 676         // Turn on BT if something is enabled
 677         synchronized (this) {
 678             for (boolean enable : mCheckedItems) {
 679                 if (enable) {
 680                     int btState = mBtManager.getBluetoothState();
 681                     if(DEBUG) Log.d(TAG, "BtState = " + btState);
 682                     // May have race condition as the phone comes in and out and in the dock.
 683                     // Always turn on BT
 684                     mBtManager.getBluetoothAdapter().enable();
 685
 686                     switch (btState) {
 687                         case BluetoothAdapter.STATE_OFF:
 688                         case BluetoothAdapter.STATE_TURNING_OFF:
 689                         case BluetoothAdapter.STATE_TURNING_ON:
 690                             if (mPendingDevice != null && mPendingDevice.equals(mDevice)) {
 691                                 return;
 692                             }
 693
 694                             mPendingDevice = device;
 695                             mPendingStartId = startId;
 696                             if (btState != BluetoothAdapter.STATE_TURNING_ON) {
 697                                 setSettingBool(SHARED_PREFERENCES_KEY_DISABLE_BT_WHEN_UNDOCKED,
 698                                         true);
 699                             }
 700                             return;
 701                     }
 702                 }
 703             }
 704         }
 705
 706         mPendingDevice = null;
 707
 708         boolean callConnect = false;
 709         CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext, mBtManager,
 710                 device);
 711         for (int i = 0; i < mProfiles.length; i++) {
 712             LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager
 713                     .getProfileManager(mBtManager, mProfiles[i]);
 714
 715             if (DEBUG) Log.d(TAG, mProfiles[i].toString() + " = " + mCheckedItems[i]);
 716
 717             if (mCheckedItems[i]) {
 718                 // Checked but not connected
 719                 callConnect = true;
 720             } else if (!mCheckedItems[i]) {
 721                 // Unchecked, may or may not be connected.
 722                 int status = profileManager.getConnectionStatus(cachedDevice.getDevice());
 723                 if (SettingsBtStatus.isConnectionStatusConnected(status)) {
 724                     if (DEBUG) Log.d(TAG, "applyBtSettings - Disconnecting");
 725                     cachedDevice.disconnect(mProfiles[i]);
 726                 }
 727             }
 728             profileManager.setPreferred(device, mCheckedItems[i]);
 729             if (DEBUG) {
 730                 if (mCheckedItems[i] != profileManager.isPreferred(device)) {
 731                     Log.e(TAG, "Can't save prefered value");
 732                 }
 733             }
 734         }
 735
 736         if (callConnect) {
 737             if (DEBUG) Log.d(TAG, "applyBtSettings - Connecting");
 738             cachedDevice.connect();
 739         }
 740     }
 741
 742     private synchronized void handleDocked(final BluetoothDevice device, final int state,
 743             final int startId) {
 744         if (mBtManager.getDockAutoConnectSetting(device.getAddress())) {
 745             // Setting == auto connect
 746             initBtSettings(mContext, device, state, false);
 747             applyBtSettings(mDevice, startId);
 748         } else {
 749             createDialog(mContext, device, state, startId);
 750         }
 751     }
 752
 753     private synchronized void handleUndocked(Context context, LocalBluetoothManager localManager,
 754             BluetoothDevice device) {
 755         mRunnable = null;
 756         LocalBluetoothProfileManager.removeServiceListener(this);
 757         if (mDialog != null) {
 758             mDialog.dismiss();
 759             mDialog = null;
 760         }
 761         mDevice = null;
 762         mPendingDevice = null;
 763         CachedBluetoothDevice cachedBluetoothDevice = getCachedBluetoothDevice(context,
 764                 localManager, device);
 765         cachedBluetoothDevice.disconnect();
 766     }
 767
 768     private static CachedBluetoothDevice getCachedBluetoothDevice(Context context,
 769             LocalBluetoothManager localManager, BluetoothDevice device) {
 770         CachedBluetoothDeviceManager cachedDeviceManager = localManager.getCachedDeviceManager();
 771         CachedBluetoothDevice cachedBluetoothDevice = cachedDeviceManager.findDevice(device);
 772         if (cachedBluetoothDevice == null) {
 773             cachedBluetoothDevice = new CachedBluetoothDevice(context, device);
 774         }
 775         return cachedBluetoothDevice;
 776     }
 777
 778     private boolean getSettingBool(String key) {
 779         SharedPreferences sharedPref = getSharedPreferences(SHARED_PREFERENCES_NAME,
 780                 Context.MODE_PRIVATE);
 781         return sharedPref.getBoolean(key, false);
 782     }
 783
 784     private int getSettingInt(String key, int defaultValue) {
 785         SharedPreferences sharedPref = getSharedPreferences(SHARED_PREFERENCES_NAME,
 786                 Context.MODE_PRIVATE);
 787         return sharedPref.getInt(key, defaultValue);
 788     }
 789
 790     private void setSettingBool(String key, boolean bool) {
 791         SharedPreferences.Editor editor = getSharedPreferences(SHARED_PREFERENCES_NAME,
 792                 Context.MODE_PRIVATE).edit();
 793         editor.putBoolean(key, bool);
 794         editor.apply();
 795     }
 796
 797     private void setSettingInt(String key, int value) {
 798         SharedPreferences.Editor editor = getSharedPreferences(SHARED_PREFERENCES_NAME,
 799                 Context.MODE_PRIVATE).edit();
 800         editor.putInt(key, value);
 801         editor.apply();
 802     }
 803
 804     private void removeSetting(String key) {
 805         SharedPreferences sharedPref = getSharedPreferences(SHARED_PREFERENCES_NAME,
 806                 Context.MODE_PRIVATE);
 807         SharedPreferences.Editor editor = sharedPref.edit();
 808         editor.remove(key);
 809         editor.apply();
 810     }
 811
 812     public synchronized void onServiceConnected() {
 813         if (mRunnable != null) {
 814             mRunnable.run();
 815             mRunnable = null;
 816             LocalBluetoothProfileManager.removeServiceListener(this);
 817         }
 818     }
 819
 820     public void onServiceDisconnected() {
 821     }
 822 }