ContextImpl.java revision 6f2a3d298205522f2e799800dace0e6c345dd4d3
1/* 2 * Copyright (C) 2006 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 17package android.app; 18 19import com.android.internal.policy.PolicyManager; 20import com.android.internal.util.Preconditions; 21 22import android.bluetooth.BluetoothAdapter; 23import android.content.BroadcastReceiver; 24import android.content.ComponentName; 25import android.content.ContentResolver; 26import android.content.Context; 27import android.content.ContextWrapper; 28import android.content.IContentProvider; 29import android.content.Intent; 30import android.content.IntentFilter; 31import android.content.IIntentReceiver; 32import android.content.IntentSender; 33import android.content.ReceiverCallNotAllowedException; 34import android.content.ServiceConnection; 35import android.content.SharedPreferences; 36import android.content.pm.ApplicationInfo; 37import android.content.pm.IPackageManager; 38import android.content.pm.PackageManager; 39import android.content.pm.PackageManager.NameNotFoundException; 40import android.content.res.AssetManager; 41import android.content.res.CompatibilityInfo; 42import android.content.res.Configuration; 43import android.content.res.Resources; 44import android.database.DatabaseErrorHandler; 45import android.database.sqlite.SQLiteDatabase; 46import android.database.sqlite.SQLiteDatabase.CursorFactory; 47import android.graphics.Bitmap; 48import android.graphics.drawable.Drawable; 49import android.hardware.ISerialManager; 50import android.hardware.SensorManager; 51import android.hardware.SerialManager; 52import android.hardware.SystemSensorManager; 53import android.hardware.display.DisplayManager; 54import android.hardware.input.IInputManager; 55import android.hardware.input.InputManager; 56import android.hardware.usb.IUsbManager; 57import android.hardware.usb.UsbManager; 58import android.location.CountryDetector; 59import android.location.ICountryDetector; 60import android.location.ILocationManager; 61import android.location.LocationManager; 62import android.media.AudioManager; 63import android.media.MediaRouter; 64import android.net.ConnectivityManager; 65import android.net.IConnectivityManager; 66import android.net.INetworkPolicyManager; 67import android.net.NetworkPolicyManager; 68import android.net.ThrottleManager; 69import android.net.IThrottleManager; 70import android.net.Uri; 71import android.net.nsd.INsdManager; 72import android.net.nsd.NsdManager; 73import android.net.wifi.IWifiManager; 74import android.net.wifi.WifiManager; 75import android.net.wifi.p2p.IWifiP2pManager; 76import android.net.wifi.p2p.WifiP2pManager; 77import android.nfc.NfcManager; 78import android.os.Binder; 79import android.os.Bundle; 80import android.os.DropBoxManager; 81import android.os.Environment; 82import android.os.FileUtils; 83import android.os.Handler; 84import android.os.IBinder; 85import android.os.IPowerManager; 86import android.os.IUserManager; 87import android.os.Looper; 88import android.os.PowerManager; 89import android.os.Process; 90import android.os.RemoteException; 91import android.os.ServiceManager; 92import android.os.UserHandle; 93import android.os.SystemVibrator; 94import android.os.UserManager; 95import android.os.storage.StorageManager; 96import android.telephony.TelephonyManager; 97import android.content.ClipboardManager; 98import android.util.AndroidRuntimeException; 99import android.util.Log; 100import android.view.CompatibilityInfoHolder; 101import android.view.ContextThemeWrapper; 102import android.view.Display; 103import android.view.WindowManagerImpl; 104import android.view.accessibility.AccessibilityManager; 105import android.view.inputmethod.InputMethodManager; 106import android.view.textservice.TextServicesManager; 107import android.accounts.AccountManager; 108import android.accounts.IAccountManager; 109import android.app.admin.DevicePolicyManager; 110import com.android.internal.os.IDropBoxManagerService; 111 112import java.io.File; 113import java.io.FileInputStream; 114import java.io.FileNotFoundException; 115import java.io.FileOutputStream; 116import java.io.IOException; 117import java.io.InputStream; 118import java.util.ArrayList; 119import java.util.HashMap; 120 121class ReceiverRestrictedContext extends ContextWrapper { 122 ReceiverRestrictedContext(Context base) { 123 super(base); 124 } 125 126 @Override 127 public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) { 128 return registerReceiver(receiver, filter, null, null); 129 } 130 131 @Override 132 public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter, 133 String broadcastPermission, Handler scheduler) { 134 if (receiver == null) { 135 // Allow retrieving current sticky broadcast; this is safe since we 136 // aren't actually registering a receiver. 137 return super.registerReceiver(null, filter, broadcastPermission, scheduler); 138 } else { 139 throw new ReceiverCallNotAllowedException( 140 "BroadcastReceiver components are not allowed to register to receive intents"); 141 } 142 } 143 144 @Override 145 public Intent registerReceiverAsUser(BroadcastReceiver receiver, UserHandle user, 146 IntentFilter filter, String broadcastPermission, Handler scheduler) { 147 if (receiver == null) { 148 // Allow retrieving current sticky broadcast; this is safe since we 149 // aren't actually registering a receiver. 150 return super.registerReceiverAsUser(null, user, filter, broadcastPermission, scheduler); 151 } else { 152 throw new ReceiverCallNotAllowedException( 153 "BroadcastReceiver components are not allowed to register to receive intents"); 154 } 155 } 156 157 @Override 158 public boolean bindService(Intent service, ServiceConnection conn, int flags) { 159 throw new ReceiverCallNotAllowedException( 160 "BroadcastReceiver components are not allowed to bind to services"); 161 } 162} 163 164/** 165 * Common implementation of Context API, which provides the base 166 * context object for Activity and other application components. 167 */ 168class ContextImpl extends Context { 169 private final static String TAG = "ApplicationContext"; 170 private final static boolean DEBUG = false; 171 172 private static final HashMap<String, SharedPreferencesImpl> sSharedPrefs = 173 new HashMap<String, SharedPreferencesImpl>(); 174 175 /*package*/ LoadedApk mPackageInfo; 176 private String mBasePackageName; 177 private Resources mResources; 178 /*package*/ ActivityThread mMainThread; 179 private Context mOuterContext; 180 private IBinder mActivityToken = null; 181 private ApplicationContentResolver mContentResolver; 182 private int mThemeResource = 0; 183 private Resources.Theme mTheme = null; 184 private PackageManager mPackageManager; 185 private Display mDisplay; // may be null if default display 186 private Context mReceiverRestrictedContext = null; 187 private boolean mRestricted; 188 private UserHandle mUser; 189 190 private final Object mSync = new Object(); 191 192 private File mDatabasesDir; 193 private File mPreferencesDir; 194 private File mFilesDir; 195 private File mCacheDir; 196 private File mObbDir; 197 private File mExternalFilesDir; 198 private File mExternalCacheDir; 199 200 private static final String[] EMPTY_FILE_LIST = {}; 201 202 /** 203 * Override this class when the system service constructor needs a 204 * ContextImpl. Else, use StaticServiceFetcher below. 205 */ 206 /*package*/ static class ServiceFetcher { 207 int mContextCacheIndex = -1; 208 209 /** 210 * Main entrypoint; only override if you don't need caching. 211 */ 212 public Object getService(ContextImpl ctx) { 213 ArrayList<Object> cache = ctx.mServiceCache; 214 Object service; 215 synchronized (cache) { 216 if (cache.size() == 0) { 217 // Initialize the cache vector on first access. 218 // At this point sNextPerContextServiceCacheIndex 219 // is the number of potential services that are 220 // cached per-Context. 221 for (int i = 0; i < sNextPerContextServiceCacheIndex; i++) { 222 cache.add(null); 223 } 224 } else { 225 service = cache.get(mContextCacheIndex); 226 if (service != null) { 227 return service; 228 } 229 } 230 service = createService(ctx); 231 cache.set(mContextCacheIndex, service); 232 return service; 233 } 234 } 235 236 /** 237 * Override this to create a new per-Context instance of the 238 * service. getService() will handle locking and caching. 239 */ 240 public Object createService(ContextImpl ctx) { 241 throw new RuntimeException("Not implemented"); 242 } 243 } 244 245 /** 246 * Override this class for services to be cached process-wide. 247 */ 248 abstract static class StaticServiceFetcher extends ServiceFetcher { 249 private Object mCachedInstance; 250 251 @Override 252 public final Object getService(ContextImpl unused) { 253 synchronized (StaticServiceFetcher.this) { 254 Object service = mCachedInstance; 255 if (service != null) { 256 return service; 257 } 258 return mCachedInstance = createStaticService(); 259 } 260 } 261 262 public abstract Object createStaticService(); 263 } 264 265 private static final HashMap<String, ServiceFetcher> SYSTEM_SERVICE_MAP = 266 new HashMap<String, ServiceFetcher>(); 267 268 private static int sNextPerContextServiceCacheIndex = 0; 269 private static void registerService(String serviceName, ServiceFetcher fetcher) { 270 if (!(fetcher instanceof StaticServiceFetcher)) { 271 fetcher.mContextCacheIndex = sNextPerContextServiceCacheIndex++; 272 } 273 SYSTEM_SERVICE_MAP.put(serviceName, fetcher); 274 } 275 276 // This one's defined separately and given a variable name so it 277 // can be re-used by getWallpaperManager(), avoiding a HashMap 278 // lookup. 279 private static ServiceFetcher WALLPAPER_FETCHER = new ServiceFetcher() { 280 public Object createService(ContextImpl ctx) { 281 return new WallpaperManager(ctx.getOuterContext(), 282 ctx.mMainThread.getHandler()); 283 }}; 284 285 static { 286 registerService(ACCESSIBILITY_SERVICE, new ServiceFetcher() { 287 public Object getService(ContextImpl ctx) { 288 return AccessibilityManager.getInstance(ctx); 289 }}); 290 291 registerService(ACCOUNT_SERVICE, new ServiceFetcher() { 292 public Object createService(ContextImpl ctx) { 293 IBinder b = ServiceManager.getService(ACCOUNT_SERVICE); 294 IAccountManager service = IAccountManager.Stub.asInterface(b); 295 return new AccountManager(ctx, service); 296 }}); 297 298 registerService(ACTIVITY_SERVICE, new ServiceFetcher() { 299 public Object createService(ContextImpl ctx) { 300 return new ActivityManager(ctx.getOuterContext(), ctx.mMainThread.getHandler()); 301 }}); 302 303 registerService(ALARM_SERVICE, new StaticServiceFetcher() { 304 public Object createStaticService() { 305 IBinder b = ServiceManager.getService(ALARM_SERVICE); 306 IAlarmManager service = IAlarmManager.Stub.asInterface(b); 307 return new AlarmManager(service); 308 }}); 309 310 registerService(AUDIO_SERVICE, new ServiceFetcher() { 311 public Object createService(ContextImpl ctx) { 312 return new AudioManager(ctx); 313 }}); 314 315 registerService(MEDIA_ROUTER_SERVICE, new ServiceFetcher() { 316 public Object createService(ContextImpl ctx) { 317 return new MediaRouter(ctx); 318 }}); 319 320 registerService(BLUETOOTH_SERVICE, new ServiceFetcher() { 321 public Object createService(ContextImpl ctx) { 322 return BluetoothAdapter.getDefaultAdapter(); 323 }}); 324 325 registerService(CLIPBOARD_SERVICE, new ServiceFetcher() { 326 public Object createService(ContextImpl ctx) { 327 return new ClipboardManager(ctx.getOuterContext(), 328 ctx.mMainThread.getHandler()); 329 }}); 330 331 registerService(CONNECTIVITY_SERVICE, new StaticServiceFetcher() { 332 public Object createStaticService() { 333 IBinder b = ServiceManager.getService(CONNECTIVITY_SERVICE); 334 return new ConnectivityManager(IConnectivityManager.Stub.asInterface(b)); 335 }}); 336 337 registerService(COUNTRY_DETECTOR, new StaticServiceFetcher() { 338 public Object createStaticService() { 339 IBinder b = ServiceManager.getService(COUNTRY_DETECTOR); 340 return new CountryDetector(ICountryDetector.Stub.asInterface(b)); 341 }}); 342 343 registerService(DEVICE_POLICY_SERVICE, new ServiceFetcher() { 344 public Object createService(ContextImpl ctx) { 345 return DevicePolicyManager.create(ctx, ctx.mMainThread.getHandler()); 346 }}); 347 348 registerService(DOWNLOAD_SERVICE, new ServiceFetcher() { 349 public Object createService(ContextImpl ctx) { 350 return new DownloadManager(ctx.getContentResolver(), ctx.getPackageName()); 351 }}); 352 353 registerService(NFC_SERVICE, new ServiceFetcher() { 354 public Object createService(ContextImpl ctx) { 355 return new NfcManager(ctx); 356 }}); 357 358 registerService(DROPBOX_SERVICE, new StaticServiceFetcher() { 359 public Object createStaticService() { 360 return createDropBoxManager(); 361 }}); 362 363 registerService(INPUT_SERVICE, new StaticServiceFetcher() { 364 public Object createStaticService() { 365 return InputManager.getInstance(); 366 }}); 367 368 registerService(DISPLAY_SERVICE, new ServiceFetcher() { 369 @Override 370 public Object createService(ContextImpl ctx) { 371 return new DisplayManager(ctx.getOuterContext()); 372 }}); 373 374 registerService(INPUT_METHOD_SERVICE, new ServiceFetcher() { 375 public Object createService(ContextImpl ctx) { 376 return InputMethodManager.getInstance(ctx); 377 }}); 378 379 registerService(TEXT_SERVICES_MANAGER_SERVICE, new ServiceFetcher() { 380 public Object createService(ContextImpl ctx) { 381 return TextServicesManager.getInstance(); 382 }}); 383 384 registerService(KEYGUARD_SERVICE, new ServiceFetcher() { 385 public Object getService(ContextImpl ctx) { 386 // TODO: why isn't this caching it? It wasn't 387 // before, so I'm preserving the old behavior and 388 // using getService(), instead of createService() 389 // which would do the caching. 390 return new KeyguardManager(); 391 }}); 392 393 registerService(LAYOUT_INFLATER_SERVICE, new ServiceFetcher() { 394 public Object createService(ContextImpl ctx) { 395 return PolicyManager.makeNewLayoutInflater(ctx.getOuterContext()); 396 }}); 397 398 registerService(LOCATION_SERVICE, new ServiceFetcher() { 399 public Object createService(ContextImpl ctx) { 400 IBinder b = ServiceManager.getService(LOCATION_SERVICE); 401 return new LocationManager(ctx, ILocationManager.Stub.asInterface(b)); 402 }}); 403 404 registerService(NETWORK_POLICY_SERVICE, new ServiceFetcher() { 405 @Override 406 public Object createService(ContextImpl ctx) { 407 return new NetworkPolicyManager(INetworkPolicyManager.Stub.asInterface( 408 ServiceManager.getService(NETWORK_POLICY_SERVICE))); 409 } 410 }); 411 412 registerService(NOTIFICATION_SERVICE, new ServiceFetcher() { 413 public Object createService(ContextImpl ctx) { 414 final Context outerContext = ctx.getOuterContext(); 415 return new NotificationManager( 416 new ContextThemeWrapper(outerContext, 417 Resources.selectSystemTheme(0, 418 outerContext.getApplicationInfo().targetSdkVersion, 419 com.android.internal.R.style.Theme_Dialog, 420 com.android.internal.R.style.Theme_Holo_Dialog, 421 com.android.internal.R.style.Theme_DeviceDefault_Dialog)), 422 ctx.mMainThread.getHandler()); 423 }}); 424 425 registerService(NSD_SERVICE, new ServiceFetcher() { 426 @Override 427 public Object createService(ContextImpl ctx) { 428 IBinder b = ServiceManager.getService(NSD_SERVICE); 429 INsdManager service = INsdManager.Stub.asInterface(b); 430 return new NsdManager(ctx.getOuterContext(), service); 431 }}); 432 433 // Note: this was previously cached in a static variable, but 434 // constructed using mMainThread.getHandler(), so converting 435 // it to be a regular Context-cached service... 436 registerService(POWER_SERVICE, new ServiceFetcher() { 437 public Object createService(ContextImpl ctx) { 438 IBinder b = ServiceManager.getService(POWER_SERVICE); 439 IPowerManager service = IPowerManager.Stub.asInterface(b); 440 return new PowerManager(ctx.getOuterContext(), 441 service, ctx.mMainThread.getHandler()); 442 }}); 443 444 registerService(SEARCH_SERVICE, new ServiceFetcher() { 445 public Object createService(ContextImpl ctx) { 446 return new SearchManager(ctx.getOuterContext(), 447 ctx.mMainThread.getHandler()); 448 }}); 449 450 registerService(SENSOR_SERVICE, new ServiceFetcher() { 451 public Object createService(ContextImpl ctx) { 452 return new SystemSensorManager(ctx.mMainThread.getHandler().getLooper()); 453 }}); 454 455 registerService(STATUS_BAR_SERVICE, new ServiceFetcher() { 456 public Object createService(ContextImpl ctx) { 457 return new StatusBarManager(ctx.getOuterContext()); 458 }}); 459 460 registerService(STORAGE_SERVICE, new ServiceFetcher() { 461 public Object createService(ContextImpl ctx) { 462 try { 463 return new StorageManager(ctx.mMainThread.getHandler().getLooper()); 464 } catch (RemoteException rex) { 465 Log.e(TAG, "Failed to create StorageManager", rex); 466 return null; 467 } 468 }}); 469 470 registerService(TELEPHONY_SERVICE, new ServiceFetcher() { 471 public Object createService(ContextImpl ctx) { 472 return new TelephonyManager(ctx.getOuterContext()); 473 }}); 474 475 registerService(THROTTLE_SERVICE, new StaticServiceFetcher() { 476 public Object createStaticService() { 477 IBinder b = ServiceManager.getService(THROTTLE_SERVICE); 478 return new ThrottleManager(IThrottleManager.Stub.asInterface(b)); 479 }}); 480 481 registerService(UI_MODE_SERVICE, new ServiceFetcher() { 482 public Object createService(ContextImpl ctx) { 483 return new UiModeManager(); 484 }}); 485 486 registerService(USB_SERVICE, new ServiceFetcher() { 487 public Object createService(ContextImpl ctx) { 488 IBinder b = ServiceManager.getService(USB_SERVICE); 489 return new UsbManager(ctx, IUsbManager.Stub.asInterface(b)); 490 }}); 491 492 registerService(SERIAL_SERVICE, new ServiceFetcher() { 493 public Object createService(ContextImpl ctx) { 494 IBinder b = ServiceManager.getService(SERIAL_SERVICE); 495 return new SerialManager(ctx, ISerialManager.Stub.asInterface(b)); 496 }}); 497 498 registerService(VIBRATOR_SERVICE, new ServiceFetcher() { 499 public Object createService(ContextImpl ctx) { 500 return new SystemVibrator(); 501 }}); 502 503 registerService(WALLPAPER_SERVICE, WALLPAPER_FETCHER); 504 505 registerService(WIFI_SERVICE, new ServiceFetcher() { 506 public Object createService(ContextImpl ctx) { 507 IBinder b = ServiceManager.getService(WIFI_SERVICE); 508 IWifiManager service = IWifiManager.Stub.asInterface(b); 509 return new WifiManager(ctx.getOuterContext(), service); 510 }}); 511 512 registerService(WIFI_P2P_SERVICE, new ServiceFetcher() { 513 public Object createService(ContextImpl ctx) { 514 IBinder b = ServiceManager.getService(WIFI_P2P_SERVICE); 515 IWifiP2pManager service = IWifiP2pManager.Stub.asInterface(b); 516 return new WifiP2pManager(service); 517 }}); 518 519 registerService(WINDOW_SERVICE, new ServiceFetcher() { 520 public Object getService(ContextImpl ctx) { 521 Display display = ctx.mDisplay; 522 if (display == null) { 523 DisplayManager dm = (DisplayManager)ctx.getOuterContext().getSystemService( 524 Context.DISPLAY_SERVICE); 525 display = dm.getDisplay(Display.DEFAULT_DISPLAY); 526 } 527 return new WindowManagerImpl(display); 528 }}); 529 530 registerService(USER_SERVICE, new ServiceFetcher() { 531 public Object getService(ContextImpl ctx) { 532 IBinder b = ServiceManager.getService(USER_SERVICE); 533 IUserManager service = IUserManager.Stub.asInterface(b); 534 return new UserManager(ctx, service); 535 }}); 536 } 537 538 static ContextImpl getImpl(Context context) { 539 Context nextContext; 540 while ((context instanceof ContextWrapper) && 541 (nextContext=((ContextWrapper)context).getBaseContext()) != null) { 542 context = nextContext; 543 } 544 return (ContextImpl)context; 545 } 546 547 // The system service cache for the system services that are 548 // cached per-ContextImpl. Package-scoped to avoid accessor 549 // methods. 550 final ArrayList<Object> mServiceCache = new ArrayList<Object>(); 551 552 @Override 553 public AssetManager getAssets() { 554 return getResources().getAssets(); 555 } 556 557 @Override 558 public Resources getResources() { 559 return mResources; 560 } 561 562 @Override 563 public PackageManager getPackageManager() { 564 if (mPackageManager != null) { 565 return mPackageManager; 566 } 567 568 IPackageManager pm = ActivityThread.getPackageManager(); 569 if (pm != null) { 570 // Doesn't matter if we make more than one instance. 571 return (mPackageManager = new ApplicationPackageManager(this, pm)); 572 } 573 574 return null; 575 } 576 577 @Override 578 public ContentResolver getContentResolver() { 579 return mContentResolver; 580 } 581 582 @Override 583 public Looper getMainLooper() { 584 return mMainThread.getLooper(); 585 } 586 587 @Override 588 public Context getApplicationContext() { 589 return (mPackageInfo != null) ? 590 mPackageInfo.getApplication() : mMainThread.getApplication(); 591 } 592 593 @Override 594 public void setTheme(int resid) { 595 mThemeResource = resid; 596 } 597 598 @Override 599 public int getThemeResId() { 600 return mThemeResource; 601 } 602 603 @Override 604 public Resources.Theme getTheme() { 605 if (mTheme == null) { 606 mThemeResource = Resources.selectDefaultTheme(mThemeResource, 607 getOuterContext().getApplicationInfo().targetSdkVersion); 608 mTheme = mResources.newTheme(); 609 mTheme.applyStyle(mThemeResource, true); 610 } 611 return mTheme; 612 } 613 614 @Override 615 public ClassLoader getClassLoader() { 616 return mPackageInfo != null ? 617 mPackageInfo.getClassLoader() : ClassLoader.getSystemClassLoader(); 618 } 619 620 @Override 621 public String getPackageName() { 622 if (mPackageInfo != null) { 623 return mPackageInfo.getPackageName(); 624 } 625 throw new RuntimeException("Not supported in system context"); 626 } 627 628 @Override 629 public ApplicationInfo getApplicationInfo() { 630 if (mPackageInfo != null) { 631 return mPackageInfo.getApplicationInfo(); 632 } 633 throw new RuntimeException("Not supported in system context"); 634 } 635 636 @Override 637 public String getPackageResourcePath() { 638 if (mPackageInfo != null) { 639 return mPackageInfo.getResDir(); 640 } 641 throw new RuntimeException("Not supported in system context"); 642 } 643 644 @Override 645 public String getPackageCodePath() { 646 if (mPackageInfo != null) { 647 return mPackageInfo.getAppDir(); 648 } 649 throw new RuntimeException("Not supported in system context"); 650 } 651 652 public File getSharedPrefsFile(String name) { 653 return makeFilename(getPreferencesDir(), name + ".xml"); 654 } 655 656 @Override 657 public SharedPreferences getSharedPreferences(String name, int mode) { 658 SharedPreferencesImpl sp; 659 synchronized (sSharedPrefs) { 660 sp = sSharedPrefs.get(name); 661 if (sp == null) { 662 File prefsFile = getSharedPrefsFile(name); 663 sp = new SharedPreferencesImpl(prefsFile, mode); 664 sSharedPrefs.put(name, sp); 665 return sp; 666 } 667 } 668 if ((mode & Context.MODE_MULTI_PROCESS) != 0 || 669 getApplicationInfo().targetSdkVersion < android.os.Build.VERSION_CODES.HONEYCOMB) { 670 // If somebody else (some other process) changed the prefs 671 // file behind our back, we reload it. This has been the 672 // historical (if undocumented) behavior. 673 sp.startReloadIfChangedUnexpectedly(); 674 } 675 return sp; 676 } 677 678 private File getPreferencesDir() { 679 synchronized (mSync) { 680 if (mPreferencesDir == null) { 681 mPreferencesDir = new File(getDataDirFile(), "shared_prefs"); 682 } 683 return mPreferencesDir; 684 } 685 } 686 687 @Override 688 public FileInputStream openFileInput(String name) 689 throws FileNotFoundException { 690 File f = makeFilename(getFilesDir(), name); 691 return new FileInputStream(f); 692 } 693 694 @Override 695 public FileOutputStream openFileOutput(String name, int mode) 696 throws FileNotFoundException { 697 final boolean append = (mode&MODE_APPEND) != 0; 698 File f = makeFilename(getFilesDir(), name); 699 try { 700 FileOutputStream fos = new FileOutputStream(f, append); 701 setFilePermissionsFromMode(f.getPath(), mode, 0); 702 return fos; 703 } catch (FileNotFoundException e) { 704 } 705 706 File parent = f.getParentFile(); 707 parent.mkdir(); 708 FileUtils.setPermissions( 709 parent.getPath(), 710 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, 711 -1, -1); 712 FileOutputStream fos = new FileOutputStream(f, append); 713 setFilePermissionsFromMode(f.getPath(), mode, 0); 714 return fos; 715 } 716 717 @Override 718 public boolean deleteFile(String name) { 719 File f = makeFilename(getFilesDir(), name); 720 return f.delete(); 721 } 722 723 @Override 724 public File getFilesDir() { 725 synchronized (mSync) { 726 if (mFilesDir == null) { 727 mFilesDir = new File(getDataDirFile(), "files"); 728 } 729 if (!mFilesDir.exists()) { 730 if(!mFilesDir.mkdirs()) { 731 Log.w(TAG, "Unable to create files directory " + mFilesDir.getPath()); 732 return null; 733 } 734 FileUtils.setPermissions( 735 mFilesDir.getPath(), 736 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, 737 -1, -1); 738 } 739 return mFilesDir; 740 } 741 } 742 743 @Override 744 public File getExternalFilesDir(String type) { 745 synchronized (mSync) { 746 if (mExternalFilesDir == null) { 747 mExternalFilesDir = Environment.getExternalStorageAppFilesDirectory( 748 getPackageName()); 749 } 750 if (!mExternalFilesDir.exists()) { 751 try { 752 (new File(Environment.getExternalStorageAndroidDataDir(), 753 ".nomedia")).createNewFile(); 754 } catch (IOException e) { 755 } 756 if (!mExternalFilesDir.mkdirs()) { 757 Log.w(TAG, "Unable to create external files directory"); 758 return null; 759 } 760 } 761 if (type == null) { 762 return mExternalFilesDir; 763 } 764 File dir = new File(mExternalFilesDir, type); 765 if (!dir.exists()) { 766 if (!dir.mkdirs()) { 767 Log.w(TAG, "Unable to create external media directory " + dir); 768 return null; 769 } 770 } 771 return dir; 772 } 773 } 774 775 @Override 776 public File getObbDir() { 777 synchronized (mSync) { 778 if (mObbDir == null) { 779 mObbDir = Environment.getExternalStorageAppObbDirectory( 780 getPackageName()); 781 } 782 return mObbDir; 783 } 784 } 785 786 @Override 787 public File getCacheDir() { 788 synchronized (mSync) { 789 if (mCacheDir == null) { 790 mCacheDir = new File(getDataDirFile(), "cache"); 791 } 792 if (!mCacheDir.exists()) { 793 if(!mCacheDir.mkdirs()) { 794 Log.w(TAG, "Unable to create cache directory " + mCacheDir.getAbsolutePath()); 795 return null; 796 } 797 FileUtils.setPermissions( 798 mCacheDir.getPath(), 799 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, 800 -1, -1); 801 } 802 } 803 return mCacheDir; 804 } 805 806 @Override 807 public File getExternalCacheDir() { 808 synchronized (mSync) { 809 if (mExternalCacheDir == null) { 810 mExternalCacheDir = Environment.getExternalStorageAppCacheDirectory( 811 getPackageName()); 812 } 813 if (!mExternalCacheDir.exists()) { 814 try { 815 (new File(Environment.getExternalStorageAndroidDataDir(), 816 ".nomedia")).createNewFile(); 817 } catch (IOException e) { 818 } 819 if (!mExternalCacheDir.mkdirs()) { 820 Log.w(TAG, "Unable to create external cache directory"); 821 return null; 822 } 823 } 824 return mExternalCacheDir; 825 } 826 } 827 828 @Override 829 public File getFileStreamPath(String name) { 830 return makeFilename(getFilesDir(), name); 831 } 832 833 @Override 834 public String[] fileList() { 835 final String[] list = getFilesDir().list(); 836 return (list != null) ? list : EMPTY_FILE_LIST; 837 } 838 839 @Override 840 public SQLiteDatabase openOrCreateDatabase(String name, int mode, CursorFactory factory) { 841 return openOrCreateDatabase(name, mode, factory, null); 842 } 843 844 @Override 845 public SQLiteDatabase openOrCreateDatabase(String name, int mode, CursorFactory factory, 846 DatabaseErrorHandler errorHandler) { 847 File f = validateFilePath(name, true); 848 int flags = SQLiteDatabase.CREATE_IF_NECESSARY; 849 if ((mode & MODE_ENABLE_WRITE_AHEAD_LOGGING) != 0) { 850 flags |= SQLiteDatabase.ENABLE_WRITE_AHEAD_LOGGING; 851 } 852 SQLiteDatabase db = SQLiteDatabase.openDatabase(f.getPath(), factory, flags, errorHandler); 853 setFilePermissionsFromMode(f.getPath(), mode, 0); 854 return db; 855 } 856 857 @Override 858 public boolean deleteDatabase(String name) { 859 try { 860 File f = validateFilePath(name, false); 861 return SQLiteDatabase.deleteDatabase(f); 862 } catch (Exception e) { 863 } 864 return false; 865 } 866 867 @Override 868 public File getDatabasePath(String name) { 869 return validateFilePath(name, false); 870 } 871 872 @Override 873 public String[] databaseList() { 874 final String[] list = getDatabasesDir().list(); 875 return (list != null) ? list : EMPTY_FILE_LIST; 876 } 877 878 879 private File getDatabasesDir() { 880 synchronized (mSync) { 881 if (mDatabasesDir == null) { 882 mDatabasesDir = new File(getDataDirFile(), "databases"); 883 } 884 if (mDatabasesDir.getPath().equals("databases")) { 885 mDatabasesDir = new File("/data/system"); 886 } 887 return mDatabasesDir; 888 } 889 } 890 891 @Override 892 public Drawable getWallpaper() { 893 return getWallpaperManager().getDrawable(); 894 } 895 896 @Override 897 public Drawable peekWallpaper() { 898 return getWallpaperManager().peekDrawable(); 899 } 900 901 @Override 902 public int getWallpaperDesiredMinimumWidth() { 903 return getWallpaperManager().getDesiredMinimumWidth(); 904 } 905 906 @Override 907 public int getWallpaperDesiredMinimumHeight() { 908 return getWallpaperManager().getDesiredMinimumHeight(); 909 } 910 911 @Override 912 public void setWallpaper(Bitmap bitmap) throws IOException { 913 getWallpaperManager().setBitmap(bitmap); 914 } 915 916 @Override 917 public void setWallpaper(InputStream data) throws IOException { 918 getWallpaperManager().setStream(data); 919 } 920 921 @Override 922 public void clearWallpaper() throws IOException { 923 getWallpaperManager().clear(); 924 } 925 926 @Override 927 public void startActivity(Intent intent) { 928 startActivity(intent, null); 929 } 930 931 /** @hide */ 932 @Override 933 public void startActivityAsUser(Intent intent, UserHandle user) { 934 startActivityAsUser(intent, null, user); 935 } 936 937 @Override 938 public void startActivity(Intent intent, Bundle options) { 939 if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { 940 throw new AndroidRuntimeException( 941 "Calling startActivity() from outside of an Activity " 942 + " context requires the FLAG_ACTIVITY_NEW_TASK flag." 943 + " Is this really what you want?"); 944 } 945 mMainThread.getInstrumentation().execStartActivity( 946 getOuterContext(), mMainThread.getApplicationThread(), null, 947 (Activity)null, intent, -1, options); 948 } 949 950 /** @hide */ 951 @Override 952 public void startActivityAsUser(Intent intent, Bundle options, UserHandle user) { 953 try { 954 ActivityManagerNative.getDefault().startActivityAsUser( 955 mMainThread.getApplicationThread(), intent, 956 intent.resolveTypeIfNeeded(getContentResolver()), 957 null, null, 0, Intent.FLAG_ACTIVITY_NEW_TASK, null, null, options, 958 user.getIdentifier()); 959 } catch (RemoteException re) { 960 } 961 } 962 963 @Override 964 public void startActivities(Intent[] intents) { 965 startActivities(intents, null); 966 } 967 968 /** @hide */ 969 @Override 970 public void startActivitiesAsUser(Intent[] intents, Bundle options, UserHandle userHandle) { 971 if ((intents[0].getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { 972 throw new AndroidRuntimeException( 973 "Calling startActivities() from outside of an Activity " 974 + " context requires the FLAG_ACTIVITY_NEW_TASK flag on first Intent." 975 + " Is this really what you want?"); 976 } 977 mMainThread.getInstrumentation().execStartActivitiesAsUser( 978 getOuterContext(), mMainThread.getApplicationThread(), null, 979 (Activity)null, intents, options, userHandle.getIdentifier()); 980 } 981 982 @Override 983 public void startActivities(Intent[] intents, Bundle options) { 984 if ((intents[0].getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { 985 throw new AndroidRuntimeException( 986 "Calling startActivities() from outside of an Activity " 987 + " context requires the FLAG_ACTIVITY_NEW_TASK flag on first Intent." 988 + " Is this really what you want?"); 989 } 990 mMainThread.getInstrumentation().execStartActivities( 991 getOuterContext(), mMainThread.getApplicationThread(), null, 992 (Activity)null, intents, options); 993 } 994 995 @Override 996 public void startIntentSender(IntentSender intent, 997 Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags) 998 throws IntentSender.SendIntentException { 999 startIntentSender(intent, fillInIntent, flagsMask, flagsValues, extraFlags, null); 1000 } 1001 1002 @Override 1003 public void startIntentSender(IntentSender intent, Intent fillInIntent, 1004 int flagsMask, int flagsValues, int extraFlags, Bundle options) 1005 throws IntentSender.SendIntentException { 1006 try { 1007 String resolvedType = null; 1008 if (fillInIntent != null) { 1009 fillInIntent.setAllowFds(false); 1010 resolvedType = fillInIntent.resolveTypeIfNeeded(getContentResolver()); 1011 } 1012 int result = ActivityManagerNative.getDefault() 1013 .startActivityIntentSender(mMainThread.getApplicationThread(), intent, 1014 fillInIntent, resolvedType, null, null, 1015 0, flagsMask, flagsValues, options); 1016 if (result == ActivityManager.START_CANCELED) { 1017 throw new IntentSender.SendIntentException(); 1018 } 1019 Instrumentation.checkStartActivityResult(result, null); 1020 } catch (RemoteException e) { 1021 } 1022 } 1023 1024 @Override 1025 public void sendBroadcast(Intent intent) { 1026 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1027 try { 1028 intent.setAllowFds(false); 1029 ActivityManagerNative.getDefault().broadcastIntent( 1030 mMainThread.getApplicationThread(), intent, resolvedType, null, 1031 Activity.RESULT_OK, null, null, null, false, false, 1032 getUserId()); 1033 } catch (RemoteException e) { 1034 } 1035 } 1036 1037 @Override 1038 public void sendBroadcast(Intent intent, String receiverPermission) { 1039 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1040 try { 1041 intent.setAllowFds(false); 1042 ActivityManagerNative.getDefault().broadcastIntent( 1043 mMainThread.getApplicationThread(), intent, resolvedType, null, 1044 Activity.RESULT_OK, null, null, receiverPermission, false, false, 1045 getUserId()); 1046 } catch (RemoteException e) { 1047 } 1048 } 1049 1050 @Override 1051 public void sendOrderedBroadcast(Intent intent, 1052 String receiverPermission) { 1053 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1054 try { 1055 intent.setAllowFds(false); 1056 ActivityManagerNative.getDefault().broadcastIntent( 1057 mMainThread.getApplicationThread(), intent, resolvedType, null, 1058 Activity.RESULT_OK, null, null, receiverPermission, true, false, 1059 getUserId()); 1060 } catch (RemoteException e) { 1061 } 1062 } 1063 1064 @Override 1065 public void sendOrderedBroadcast(Intent intent, 1066 String receiverPermission, BroadcastReceiver resultReceiver, 1067 Handler scheduler, int initialCode, String initialData, 1068 Bundle initialExtras) { 1069 IIntentReceiver rd = null; 1070 if (resultReceiver != null) { 1071 if (mPackageInfo != null) { 1072 if (scheduler == null) { 1073 scheduler = mMainThread.getHandler(); 1074 } 1075 rd = mPackageInfo.getReceiverDispatcher( 1076 resultReceiver, getOuterContext(), scheduler, 1077 mMainThread.getInstrumentation(), false); 1078 } else { 1079 if (scheduler == null) { 1080 scheduler = mMainThread.getHandler(); 1081 } 1082 rd = new LoadedApk.ReceiverDispatcher( 1083 resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver(); 1084 } 1085 } 1086 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1087 try { 1088 intent.setAllowFds(false); 1089 ActivityManagerNative.getDefault().broadcastIntent( 1090 mMainThread.getApplicationThread(), intent, resolvedType, rd, 1091 initialCode, initialData, initialExtras, receiverPermission, 1092 true, false, getUserId()); 1093 } catch (RemoteException e) { 1094 } 1095 } 1096 1097 @Override 1098 public void sendBroadcastAsUser(Intent intent, UserHandle user) { 1099 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1100 try { 1101 intent.setAllowFds(false); 1102 ActivityManagerNative.getDefault().broadcastIntent(mMainThread.getApplicationThread(), 1103 intent, resolvedType, null, Activity.RESULT_OK, null, null, null, false, false, 1104 user.getIdentifier()); 1105 } catch (RemoteException e) { 1106 } 1107 } 1108 1109 @Override 1110 public void sendBroadcastAsUser(Intent intent, UserHandle user, 1111 String receiverPermission) { 1112 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1113 try { 1114 intent.setAllowFds(false); 1115 ActivityManagerNative.getDefault().broadcastIntent( 1116 mMainThread.getApplicationThread(), intent, resolvedType, null, 1117 Activity.RESULT_OK, null, null, receiverPermission, false, false, 1118 user.getIdentifier()); 1119 } catch (RemoteException e) { 1120 } 1121 } 1122 1123 @Override 1124 public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user, 1125 String receiverPermission, BroadcastReceiver resultReceiver, Handler scheduler, 1126 int initialCode, String initialData, Bundle initialExtras) { 1127 IIntentReceiver rd = null; 1128 if (resultReceiver != null) { 1129 if (mPackageInfo != null) { 1130 if (scheduler == null) { 1131 scheduler = mMainThread.getHandler(); 1132 } 1133 rd = mPackageInfo.getReceiverDispatcher( 1134 resultReceiver, getOuterContext(), scheduler, 1135 mMainThread.getInstrumentation(), false); 1136 } else { 1137 if (scheduler == null) { 1138 scheduler = mMainThread.getHandler(); 1139 } 1140 rd = new LoadedApk.ReceiverDispatcher( 1141 resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver(); 1142 } 1143 } 1144 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1145 try { 1146 intent.setAllowFds(false); 1147 ActivityManagerNative.getDefault().broadcastIntent( 1148 mMainThread.getApplicationThread(), intent, resolvedType, rd, 1149 initialCode, initialData, initialExtras, receiverPermission, 1150 true, false, user.getIdentifier()); 1151 } catch (RemoteException e) { 1152 } 1153 } 1154 1155 @Override 1156 public void sendStickyBroadcast(Intent intent) { 1157 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1158 try { 1159 intent.setAllowFds(false); 1160 ActivityManagerNative.getDefault().broadcastIntent( 1161 mMainThread.getApplicationThread(), intent, resolvedType, null, 1162 Activity.RESULT_OK, null, null, null, false, true, 1163 getUserId()); 1164 } catch (RemoteException e) { 1165 } 1166 } 1167 1168 @Override 1169 public void sendStickyOrderedBroadcast(Intent intent, 1170 BroadcastReceiver resultReceiver, 1171 Handler scheduler, int initialCode, String initialData, 1172 Bundle initialExtras) { 1173 IIntentReceiver rd = null; 1174 if (resultReceiver != null) { 1175 if (mPackageInfo != null) { 1176 if (scheduler == null) { 1177 scheduler = mMainThread.getHandler(); 1178 } 1179 rd = mPackageInfo.getReceiverDispatcher( 1180 resultReceiver, getOuterContext(), scheduler, 1181 mMainThread.getInstrumentation(), false); 1182 } else { 1183 if (scheduler == null) { 1184 scheduler = mMainThread.getHandler(); 1185 } 1186 rd = new LoadedApk.ReceiverDispatcher( 1187 resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver(); 1188 } 1189 } 1190 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1191 try { 1192 intent.setAllowFds(false); 1193 ActivityManagerNative.getDefault().broadcastIntent( 1194 mMainThread.getApplicationThread(), intent, resolvedType, rd, 1195 initialCode, initialData, initialExtras, null, 1196 true, true, getUserId()); 1197 } catch (RemoteException e) { 1198 } 1199 } 1200 1201 @Override 1202 public void removeStickyBroadcast(Intent intent) { 1203 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1204 if (resolvedType != null) { 1205 intent = new Intent(intent); 1206 intent.setDataAndType(intent.getData(), resolvedType); 1207 } 1208 try { 1209 intent.setAllowFds(false); 1210 ActivityManagerNative.getDefault().unbroadcastIntent( 1211 mMainThread.getApplicationThread(), intent, getUserId()); 1212 } catch (RemoteException e) { 1213 } 1214 } 1215 1216 @Override 1217 public void sendStickyBroadcastAsUser(Intent intent, UserHandle user) { 1218 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1219 try { 1220 intent.setAllowFds(false); 1221 ActivityManagerNative.getDefault().broadcastIntent( 1222 mMainThread.getApplicationThread(), intent, resolvedType, null, 1223 Activity.RESULT_OK, null, null, null, false, true, user.getIdentifier()); 1224 } catch (RemoteException e) { 1225 } 1226 } 1227 1228 @Override 1229 public void sendStickyOrderedBroadcastAsUser(Intent intent, 1230 UserHandle user, BroadcastReceiver resultReceiver, 1231 Handler scheduler, int initialCode, String initialData, 1232 Bundle initialExtras) { 1233 IIntentReceiver rd = null; 1234 if (resultReceiver != null) { 1235 if (mPackageInfo != null) { 1236 if (scheduler == null) { 1237 scheduler = mMainThread.getHandler(); 1238 } 1239 rd = mPackageInfo.getReceiverDispatcher( 1240 resultReceiver, getOuterContext(), scheduler, 1241 mMainThread.getInstrumentation(), false); 1242 } else { 1243 if (scheduler == null) { 1244 scheduler = mMainThread.getHandler(); 1245 } 1246 rd = new LoadedApk.ReceiverDispatcher( 1247 resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver(); 1248 } 1249 } 1250 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1251 try { 1252 intent.setAllowFds(false); 1253 ActivityManagerNative.getDefault().broadcastIntent( 1254 mMainThread.getApplicationThread(), intent, resolvedType, rd, 1255 initialCode, initialData, initialExtras, null, 1256 true, true, user.getIdentifier()); 1257 } catch (RemoteException e) { 1258 } 1259 } 1260 1261 @Override 1262 public void removeStickyBroadcastAsUser(Intent intent, UserHandle user) { 1263 String resolvedType = intent.resolveTypeIfNeeded(getContentResolver()); 1264 if (resolvedType != null) { 1265 intent = new Intent(intent); 1266 intent.setDataAndType(intent.getData(), resolvedType); 1267 } 1268 try { 1269 intent.setAllowFds(false); 1270 ActivityManagerNative.getDefault().unbroadcastIntent( 1271 mMainThread.getApplicationThread(), intent, user.getIdentifier()); 1272 } catch (RemoteException e) { 1273 } 1274 } 1275 1276 @Override 1277 public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) { 1278 return registerReceiver(receiver, filter, null, null); 1279 } 1280 1281 @Override 1282 public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter, 1283 String broadcastPermission, Handler scheduler) { 1284 return registerReceiverInternal(receiver, getUserId(), 1285 filter, broadcastPermission, scheduler, getOuterContext()); 1286 } 1287 1288 @Override 1289 public Intent registerReceiverAsUser(BroadcastReceiver receiver, UserHandle user, 1290 IntentFilter filter, String broadcastPermission, Handler scheduler) { 1291 return registerReceiverInternal(receiver, user.getIdentifier(), 1292 filter, broadcastPermission, scheduler, getOuterContext()); 1293 } 1294 1295 private Intent registerReceiverInternal(BroadcastReceiver receiver, int userId, 1296 IntentFilter filter, String broadcastPermission, 1297 Handler scheduler, Context context) { 1298 IIntentReceiver rd = null; 1299 if (receiver != null) { 1300 if (mPackageInfo != null && context != null) { 1301 if (scheduler == null) { 1302 scheduler = mMainThread.getHandler(); 1303 } 1304 rd = mPackageInfo.getReceiverDispatcher( 1305 receiver, context, scheduler, 1306 mMainThread.getInstrumentation(), true); 1307 } else { 1308 if (scheduler == null) { 1309 scheduler = mMainThread.getHandler(); 1310 } 1311 rd = new LoadedApk.ReceiverDispatcher( 1312 receiver, context, scheduler, null, true).getIIntentReceiver(); 1313 } 1314 } 1315 try { 1316 return ActivityManagerNative.getDefault().registerReceiver( 1317 mMainThread.getApplicationThread(), mBasePackageName, 1318 rd, filter, broadcastPermission, userId); 1319 } catch (RemoteException e) { 1320 return null; 1321 } 1322 } 1323 1324 @Override 1325 public void unregisterReceiver(BroadcastReceiver receiver) { 1326 if (mPackageInfo != null) { 1327 IIntentReceiver rd = mPackageInfo.forgetReceiverDispatcher( 1328 getOuterContext(), receiver); 1329 try { 1330 ActivityManagerNative.getDefault().unregisterReceiver(rd); 1331 } catch (RemoteException e) { 1332 } 1333 } else { 1334 throw new RuntimeException("Not supported in system context"); 1335 } 1336 } 1337 1338 @Override 1339 public ComponentName startService(Intent service) { 1340 return startServiceAsUser(service, mUser); 1341 } 1342 1343 @Override 1344 public boolean stopService(Intent service) { 1345 return stopServiceAsUser(service, mUser); 1346 } 1347 1348 @Override 1349 public ComponentName startServiceAsUser(Intent service, UserHandle user) { 1350 try { 1351 service.setAllowFds(false); 1352 ComponentName cn = ActivityManagerNative.getDefault().startService( 1353 mMainThread.getApplicationThread(), service, 1354 service.resolveTypeIfNeeded(getContentResolver()), user.getIdentifier()); 1355 if (cn != null && cn.getPackageName().equals("!")) { 1356 throw new SecurityException( 1357 "Not allowed to start service " + service 1358 + " without permission " + cn.getClassName()); 1359 } 1360 return cn; 1361 } catch (RemoteException e) { 1362 return null; 1363 } 1364 } 1365 1366 @Override 1367 public boolean stopServiceAsUser(Intent service, UserHandle user) { 1368 try { 1369 service.setAllowFds(false); 1370 int res = ActivityManagerNative.getDefault().stopService( 1371 mMainThread.getApplicationThread(), service, 1372 service.resolveTypeIfNeeded(getContentResolver()), user.getIdentifier()); 1373 if (res < 0) { 1374 throw new SecurityException( 1375 "Not allowed to stop service " + service); 1376 } 1377 return res != 0; 1378 } catch (RemoteException e) { 1379 return false; 1380 } 1381 } 1382 1383 @Override 1384 public boolean bindService(Intent service, ServiceConnection conn, 1385 int flags) { 1386 return bindService(service, conn, flags, UserHandle.getUserId(Process.myUid())); 1387 } 1388 1389 /** @hide */ 1390 @Override 1391 public boolean bindService(Intent service, ServiceConnection conn, int flags, int userHandle) { 1392 IServiceConnection sd; 1393 if (conn == null) { 1394 throw new IllegalArgumentException("connection is null"); 1395 } 1396 if (mPackageInfo != null) { 1397 sd = mPackageInfo.getServiceDispatcher(conn, getOuterContext(), 1398 mMainThread.getHandler(), flags); 1399 } else { 1400 throw new RuntimeException("Not supported in system context"); 1401 } 1402 try { 1403 IBinder token = getActivityToken(); 1404 if (token == null && (flags&BIND_AUTO_CREATE) == 0 && mPackageInfo != null 1405 && mPackageInfo.getApplicationInfo().targetSdkVersion 1406 < android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1407 flags |= BIND_WAIVE_PRIORITY; 1408 } 1409 service.setAllowFds(false); 1410 int res = ActivityManagerNative.getDefault().bindService( 1411 mMainThread.getApplicationThread(), getActivityToken(), 1412 service, service.resolveTypeIfNeeded(getContentResolver()), 1413 sd, flags, userHandle); 1414 if (res < 0) { 1415 throw new SecurityException( 1416 "Not allowed to bind to service " + service); 1417 } 1418 return res != 0; 1419 } catch (RemoteException e) { 1420 return false; 1421 } 1422 } 1423 1424 @Override 1425 public void unbindService(ServiceConnection conn) { 1426 if (conn == null) { 1427 throw new IllegalArgumentException("connection is null"); 1428 } 1429 if (mPackageInfo != null) { 1430 IServiceConnection sd = mPackageInfo.forgetServiceDispatcher( 1431 getOuterContext(), conn); 1432 try { 1433 ActivityManagerNative.getDefault().unbindService(sd); 1434 } catch (RemoteException e) { 1435 } 1436 } else { 1437 throw new RuntimeException("Not supported in system context"); 1438 } 1439 } 1440 1441 @Override 1442 public boolean startInstrumentation(ComponentName className, 1443 String profileFile, Bundle arguments) { 1444 try { 1445 if (arguments != null) { 1446 arguments.setAllowFds(false); 1447 } 1448 return ActivityManagerNative.getDefault().startInstrumentation( 1449 className, profileFile, 0, arguments, null, getUserId()); 1450 } catch (RemoteException e) { 1451 // System has crashed, nothing we can do. 1452 } 1453 return false; 1454 } 1455 1456 @Override 1457 public Object getSystemService(String name) { 1458 ServiceFetcher fetcher = SYSTEM_SERVICE_MAP.get(name); 1459 return fetcher == null ? null : fetcher.getService(this); 1460 } 1461 1462 private WallpaperManager getWallpaperManager() { 1463 return (WallpaperManager) WALLPAPER_FETCHER.getService(this); 1464 } 1465 1466 /* package */ static DropBoxManager createDropBoxManager() { 1467 IBinder b = ServiceManager.getService(DROPBOX_SERVICE); 1468 IDropBoxManagerService service = IDropBoxManagerService.Stub.asInterface(b); 1469 if (service == null) { 1470 // Don't return a DropBoxManager that will NPE upon use. 1471 // This also avoids caching a broken DropBoxManager in 1472 // getDropBoxManager during early boot, before the 1473 // DROPBOX_SERVICE is registered. 1474 return null; 1475 } 1476 return new DropBoxManager(service); 1477 } 1478 1479 @Override 1480 public int checkPermission(String permission, int pid, int uid) { 1481 if (permission == null) { 1482 throw new IllegalArgumentException("permission is null"); 1483 } 1484 1485 try { 1486 return ActivityManagerNative.getDefault().checkPermission( 1487 permission, pid, uid); 1488 } catch (RemoteException e) { 1489 return PackageManager.PERMISSION_DENIED; 1490 } 1491 } 1492 1493 @Override 1494 public int checkCallingPermission(String permission) { 1495 if (permission == null) { 1496 throw new IllegalArgumentException("permission is null"); 1497 } 1498 1499 int pid = Binder.getCallingPid(); 1500 if (pid != Process.myPid()) { 1501 return checkPermission(permission, pid, Binder.getCallingUid()); 1502 } 1503 return PackageManager.PERMISSION_DENIED; 1504 } 1505 1506 @Override 1507 public int checkCallingOrSelfPermission(String permission) { 1508 if (permission == null) { 1509 throw new IllegalArgumentException("permission is null"); 1510 } 1511 1512 return checkPermission(permission, Binder.getCallingPid(), 1513 Binder.getCallingUid()); 1514 } 1515 1516 private void enforce( 1517 String permission, int resultOfCheck, 1518 boolean selfToo, int uid, String message) { 1519 if (resultOfCheck != PackageManager.PERMISSION_GRANTED) { 1520 throw new SecurityException( 1521 (message != null ? (message + ": ") : "") + 1522 (selfToo 1523 ? "Neither user " + uid + " nor current process has " 1524 : "uid " + uid + " does not have ") + 1525 permission + 1526 "."); 1527 } 1528 } 1529 1530 public void enforcePermission( 1531 String permission, int pid, int uid, String message) { 1532 enforce(permission, 1533 checkPermission(permission, pid, uid), 1534 false, 1535 uid, 1536 message); 1537 } 1538 1539 public void enforceCallingPermission(String permission, String message) { 1540 enforce(permission, 1541 checkCallingPermission(permission), 1542 false, 1543 Binder.getCallingUid(), 1544 message); 1545 } 1546 1547 public void enforceCallingOrSelfPermission( 1548 String permission, String message) { 1549 enforce(permission, 1550 checkCallingOrSelfPermission(permission), 1551 true, 1552 Binder.getCallingUid(), 1553 message); 1554 } 1555 1556 @Override 1557 public void grantUriPermission(String toPackage, Uri uri, int modeFlags) { 1558 try { 1559 ActivityManagerNative.getDefault().grantUriPermission( 1560 mMainThread.getApplicationThread(), toPackage, uri, 1561 modeFlags); 1562 } catch (RemoteException e) { 1563 } 1564 } 1565 1566 @Override 1567 public void revokeUriPermission(Uri uri, int modeFlags) { 1568 try { 1569 ActivityManagerNative.getDefault().revokeUriPermission( 1570 mMainThread.getApplicationThread(), uri, 1571 modeFlags); 1572 } catch (RemoteException e) { 1573 } 1574 } 1575 1576 @Override 1577 public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags) { 1578 try { 1579 return ActivityManagerNative.getDefault().checkUriPermission( 1580 uri, pid, uid, modeFlags); 1581 } catch (RemoteException e) { 1582 return PackageManager.PERMISSION_DENIED; 1583 } 1584 } 1585 1586 @Override 1587 public int checkCallingUriPermission(Uri uri, int modeFlags) { 1588 int pid = Binder.getCallingPid(); 1589 if (pid != Process.myPid()) { 1590 return checkUriPermission(uri, pid, 1591 Binder.getCallingUid(), modeFlags); 1592 } 1593 return PackageManager.PERMISSION_DENIED; 1594 } 1595 1596 @Override 1597 public int checkCallingOrSelfUriPermission(Uri uri, int modeFlags) { 1598 return checkUriPermission(uri, Binder.getCallingPid(), 1599 Binder.getCallingUid(), modeFlags); 1600 } 1601 1602 @Override 1603 public int checkUriPermission(Uri uri, String readPermission, 1604 String writePermission, int pid, int uid, int modeFlags) { 1605 if (DEBUG) { 1606 Log.i("foo", "checkUriPermission: uri=" + uri + "readPermission=" 1607 + readPermission + " writePermission=" + writePermission 1608 + " pid=" + pid + " uid=" + uid + " mode" + modeFlags); 1609 } 1610 if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) { 1611 if (readPermission == null 1612 || checkPermission(readPermission, pid, uid) 1613 == PackageManager.PERMISSION_GRANTED) { 1614 return PackageManager.PERMISSION_GRANTED; 1615 } 1616 } 1617 if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) { 1618 if (writePermission == null 1619 || checkPermission(writePermission, pid, uid) 1620 == PackageManager.PERMISSION_GRANTED) { 1621 return PackageManager.PERMISSION_GRANTED; 1622 } 1623 } 1624 return uri != null ? checkUriPermission(uri, pid, uid, modeFlags) 1625 : PackageManager.PERMISSION_DENIED; 1626 } 1627 1628 private String uriModeFlagToString(int uriModeFlags) { 1629 switch (uriModeFlags) { 1630 case Intent.FLAG_GRANT_READ_URI_PERMISSION | 1631 Intent.FLAG_GRANT_WRITE_URI_PERMISSION: 1632 return "read and write"; 1633 case Intent.FLAG_GRANT_READ_URI_PERMISSION: 1634 return "read"; 1635 case Intent.FLAG_GRANT_WRITE_URI_PERMISSION: 1636 return "write"; 1637 } 1638 throw new IllegalArgumentException( 1639 "Unknown permission mode flags: " + uriModeFlags); 1640 } 1641 1642 private void enforceForUri( 1643 int modeFlags, int resultOfCheck, boolean selfToo, 1644 int uid, Uri uri, String message) { 1645 if (resultOfCheck != PackageManager.PERMISSION_GRANTED) { 1646 throw new SecurityException( 1647 (message != null ? (message + ": ") : "") + 1648 (selfToo 1649 ? "Neither user " + uid + " nor current process has " 1650 : "User " + uid + " does not have ") + 1651 uriModeFlagToString(modeFlags) + 1652 " permission on " + 1653 uri + 1654 "."); 1655 } 1656 } 1657 1658 public void enforceUriPermission( 1659 Uri uri, int pid, int uid, int modeFlags, String message) { 1660 enforceForUri( 1661 modeFlags, checkUriPermission(uri, pid, uid, modeFlags), 1662 false, uid, uri, message); 1663 } 1664 1665 public void enforceCallingUriPermission( 1666 Uri uri, int modeFlags, String message) { 1667 enforceForUri( 1668 modeFlags, checkCallingUriPermission(uri, modeFlags), 1669 false, 1670 Binder.getCallingUid(), uri, message); 1671 } 1672 1673 public void enforceCallingOrSelfUriPermission( 1674 Uri uri, int modeFlags, String message) { 1675 enforceForUri( 1676 modeFlags, 1677 checkCallingOrSelfUriPermission(uri, modeFlags), true, 1678 Binder.getCallingUid(), uri, message); 1679 } 1680 1681 public void enforceUriPermission( 1682 Uri uri, String readPermission, String writePermission, 1683 int pid, int uid, int modeFlags, String message) { 1684 enforceForUri(modeFlags, 1685 checkUriPermission( 1686 uri, readPermission, writePermission, pid, uid, 1687 modeFlags), 1688 false, 1689 uid, 1690 uri, 1691 message); 1692 } 1693 1694 @Override 1695 public Context createPackageContext(String packageName, int flags) 1696 throws NameNotFoundException { 1697 return createPackageContextAsUser(packageName, flags, Process.myUserHandle()); 1698 } 1699 1700 @Override 1701 public Context createPackageContextAsUser(String packageName, int flags, UserHandle user) 1702 throws NameNotFoundException { 1703 if (packageName.equals("system") || packageName.equals("android")) { 1704 final ContextImpl context = new ContextImpl(mMainThread.getSystemContext()); 1705 context.mRestricted = (flags & CONTEXT_RESTRICTED) == CONTEXT_RESTRICTED; 1706 context.init(mPackageInfo, null, mMainThread, mResources, mBasePackageName, user); 1707 return context; 1708 } 1709 1710 LoadedApk pi = 1711 mMainThread.getPackageInfo(packageName, mResources.getCompatibilityInfo(), flags, 1712 user.getIdentifier()); 1713 if (pi != null) { 1714 ContextImpl c = new ContextImpl(); 1715 c.mRestricted = (flags & CONTEXT_RESTRICTED) == CONTEXT_RESTRICTED; 1716 c.init(pi, null, mMainThread, mResources, mBasePackageName, user); 1717 if (c.mResources != null) { 1718 return c; 1719 } 1720 } 1721 1722 // Should be a better exception. 1723 throw new PackageManager.NameNotFoundException( 1724 "Application package " + packageName + " not found"); 1725 } 1726 1727 @Override 1728 public Context createConfigurationContext(Configuration overrideConfiguration) { 1729 if (overrideConfiguration == null) { 1730 throw new IllegalArgumentException("overrideConfiguration must not be null"); 1731 } 1732 1733 ContextImpl c = new ContextImpl(); 1734 c.init(mPackageInfo, null, mMainThread); 1735 c.mResources = mMainThread.getTopLevelResources( 1736 mPackageInfo.getResDir(), 1737 getDisplayId(), overrideConfiguration, 1738 mResources.getCompatibilityInfo()); 1739 return c; 1740 } 1741 1742 @Override 1743 public Context createDisplayContext(Display display) { 1744 if (display == null) { 1745 throw new IllegalArgumentException("display must not be null"); 1746 } 1747 1748 int displayId = display.getDisplayId(); 1749 CompatibilityInfo ci = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO; 1750 CompatibilityInfoHolder cih = getCompatibilityInfo(displayId); 1751 if (cih != null) { 1752 ci = cih.get(); 1753 } 1754 1755 ContextImpl context = new ContextImpl(); 1756 context.init(mPackageInfo, null, mMainThread); 1757 context.mDisplay = display; 1758 context.mResources = mMainThread.getTopLevelResources( 1759 mPackageInfo.getResDir(), displayId, null, ci); 1760 return context; 1761 } 1762 1763 private int getDisplayId() { 1764 return mDisplay != null ? mDisplay.getDisplayId() : Display.DEFAULT_DISPLAY; 1765 } 1766 1767 @Override 1768 public boolean isRestricted() { 1769 return mRestricted; 1770 } 1771 1772 @Override 1773 public CompatibilityInfoHolder getCompatibilityInfo(int displayId) { 1774 return displayId == Display.DEFAULT_DISPLAY ? mPackageInfo.mCompatibilityInfo : null; 1775 } 1776 1777 private File getDataDirFile() { 1778 if (mPackageInfo != null) { 1779 return mPackageInfo.getDataDirFile(); 1780 } 1781 throw new RuntimeException("Not supported in system context"); 1782 } 1783 1784 @Override 1785 public File getDir(String name, int mode) { 1786 name = "app_" + name; 1787 File file = makeFilename(getDataDirFile(), name); 1788 if (!file.exists()) { 1789 file.mkdir(); 1790 setFilePermissionsFromMode(file.getPath(), mode, 1791 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH); 1792 } 1793 return file; 1794 } 1795 1796 /** {@hide} */ 1797 public int getUserId() { 1798 return mUser.getIdentifier(); 1799 } 1800 1801 static ContextImpl createSystemContext(ActivityThread mainThread) { 1802 final ContextImpl context = new ContextImpl(); 1803 context.init(Resources.getSystem(), mainThread, Process.myUserHandle()); 1804 return context; 1805 } 1806 1807 ContextImpl() { 1808 mOuterContext = this; 1809 } 1810 1811 /** 1812 * Create a new ApplicationContext from an existing one. The new one 1813 * works and operates the same as the one it is copying. 1814 * 1815 * @param context Existing application context. 1816 */ 1817 public ContextImpl(ContextImpl context) { 1818 mPackageInfo = context.mPackageInfo; 1819 mBasePackageName = context.mBasePackageName; 1820 mResources = context.mResources; 1821 mMainThread = context.mMainThread; 1822 mContentResolver = context.mContentResolver; 1823 mUser = context.mUser; 1824 mDisplay = context.mDisplay; 1825 mOuterContext = this; 1826 } 1827 1828 final void init(LoadedApk packageInfo, IBinder activityToken, ActivityThread mainThread) { 1829 init(packageInfo, activityToken, mainThread, null, null, Process.myUserHandle()); 1830 } 1831 1832 final void init(LoadedApk packageInfo, IBinder activityToken, ActivityThread mainThread, 1833 Resources container, String basePackageName, UserHandle user) { 1834 mPackageInfo = packageInfo; 1835 mBasePackageName = basePackageName != null ? basePackageName : packageInfo.mPackageName; 1836 mResources = mPackageInfo.getResources(mainThread); 1837 1838 if (mResources != null && container != null 1839 && container.getCompatibilityInfo().applicationScale != 1840 mResources.getCompatibilityInfo().applicationScale) { 1841 if (DEBUG) { 1842 Log.d(TAG, "loaded context has different scaling. Using container's" + 1843 " compatiblity info:" + container.getDisplayMetrics()); 1844 } 1845 mResources = mainThread.getTopLevelResources( 1846 mPackageInfo.getResDir(), Display.DEFAULT_DISPLAY, 1847 null, container.getCompatibilityInfo()); 1848 } 1849 mMainThread = mainThread; 1850 mActivityToken = activityToken; 1851 mContentResolver = new ApplicationContentResolver(this, mainThread, user); 1852 mUser = user; 1853 } 1854 1855 final void init(Resources resources, ActivityThread mainThread, UserHandle user) { 1856 mPackageInfo = null; 1857 mBasePackageName = null; 1858 mResources = resources; 1859 mMainThread = mainThread; 1860 mContentResolver = new ApplicationContentResolver(this, mainThread, user); 1861 mUser = user; 1862 } 1863 1864 final void scheduleFinalCleanup(String who, String what) { 1865 mMainThread.scheduleContextCleanup(this, who, what); 1866 } 1867 1868 final void performFinalCleanup(String who, String what) { 1869 //Log.i(TAG, "Cleanup up context: " + this); 1870 mPackageInfo.removeContextRegistrations(getOuterContext(), who, what); 1871 } 1872 1873 final Context getReceiverRestrictedContext() { 1874 if (mReceiverRestrictedContext != null) { 1875 return mReceiverRestrictedContext; 1876 } 1877 return mReceiverRestrictedContext = new ReceiverRestrictedContext(getOuterContext()); 1878 } 1879 1880 final void setOuterContext(Context context) { 1881 mOuterContext = context; 1882 } 1883 1884 final Context getOuterContext() { 1885 return mOuterContext; 1886 } 1887 1888 final IBinder getActivityToken() { 1889 return mActivityToken; 1890 } 1891 1892 static void setFilePermissionsFromMode(String name, int mode, 1893 int extraPermissions) { 1894 int perms = FileUtils.S_IRUSR|FileUtils.S_IWUSR 1895 |FileUtils.S_IRGRP|FileUtils.S_IWGRP 1896 |extraPermissions; 1897 if ((mode&MODE_WORLD_READABLE) != 0) { 1898 perms |= FileUtils.S_IROTH; 1899 } 1900 if ((mode&MODE_WORLD_WRITEABLE) != 0) { 1901 perms |= FileUtils.S_IWOTH; 1902 } 1903 if (DEBUG) { 1904 Log.i(TAG, "File " + name + ": mode=0x" + Integer.toHexString(mode) 1905 + ", perms=0x" + Integer.toHexString(perms)); 1906 } 1907 FileUtils.setPermissions(name, perms, -1, -1); 1908 } 1909 1910 private File validateFilePath(String name, boolean createDirectory) { 1911 File dir; 1912 File f; 1913 1914 if (name.charAt(0) == File.separatorChar) { 1915 String dirPath = name.substring(0, name.lastIndexOf(File.separatorChar)); 1916 dir = new File(dirPath); 1917 name = name.substring(name.lastIndexOf(File.separatorChar)); 1918 f = new File(dir, name); 1919 } else { 1920 dir = getDatabasesDir(); 1921 f = makeFilename(dir, name); 1922 } 1923 1924 if (createDirectory && !dir.isDirectory() && dir.mkdir()) { 1925 FileUtils.setPermissions(dir.getPath(), 1926 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, 1927 -1, -1); 1928 } 1929 1930 return f; 1931 } 1932 1933 private File makeFilename(File base, String name) { 1934 if (name.indexOf(File.separatorChar) < 0) { 1935 return new File(base, name); 1936 } 1937 throw new IllegalArgumentException( 1938 "File " + name + " contains a path separator"); 1939 } 1940 1941 // ---------------------------------------------------------------------- 1942 // ---------------------------------------------------------------------- 1943 // ---------------------------------------------------------------------- 1944 1945 private static final class ApplicationContentResolver extends ContentResolver { 1946 private final ActivityThread mMainThread; 1947 private final UserHandle mUser; 1948 1949 public ApplicationContentResolver( 1950 Context context, ActivityThread mainThread, UserHandle user) { 1951 super(context); 1952 mMainThread = Preconditions.checkNotNull(mainThread); 1953 mUser = Preconditions.checkNotNull(user); 1954 } 1955 1956 @Override 1957 protected IContentProvider acquireProvider(Context context, String auth) { 1958 return mMainThread.acquireProvider(context, auth, mUser.getIdentifier(), true); 1959 } 1960 1961 @Override 1962 protected IContentProvider acquireExistingProvider(Context context, String auth) { 1963 return mMainThread.acquireExistingProvider(context, auth, mUser.getIdentifier(), true); 1964 } 1965 1966 @Override 1967 public boolean releaseProvider(IContentProvider provider) { 1968 return mMainThread.releaseProvider(provider, true); 1969 } 1970 1971 @Override 1972 protected IContentProvider acquireUnstableProvider(Context c, String auth) { 1973 return mMainThread.acquireProvider(c, auth, mUser.getIdentifier(), false); 1974 } 1975 1976 @Override 1977 public boolean releaseUnstableProvider(IContentProvider icp) { 1978 return mMainThread.releaseProvider(icp, false); 1979 } 1980 1981 @Override 1982 public void unstableProviderDied(IContentProvider icp) { 1983 mMainThread.handleUnstableProviderDied(icp.asBinder(), true); 1984 } 1985 } 1986} 1987