ActivityThread.java revision e66763516a9c27c192adaba417616371a1c3c9bf
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 android.app.backup.BackupAgent; 20import android.content.BroadcastReceiver; 21import android.content.ComponentCallbacks; 22import android.content.ComponentName; 23import android.content.ContentProvider; 24import android.content.Context; 25import android.content.IContentProvider; 26import android.content.Intent; 27import android.content.IIntentReceiver; 28import android.content.pm.ActivityInfo; 29import android.content.pm.ApplicationInfo; 30import android.content.pm.IPackageManager; 31import android.content.pm.InstrumentationInfo; 32import android.content.pm.PackageManager; 33import android.content.pm.PackageManager.NameNotFoundException; 34import android.content.pm.ProviderInfo; 35import android.content.pm.ServiceInfo; 36import android.content.res.AssetManager; 37import android.content.res.CompatibilityInfo; 38import android.content.res.Configuration; 39import android.content.res.Resources; 40import android.database.sqlite.SQLiteDatabase; 41import android.database.sqlite.SQLiteDebug; 42import android.database.sqlite.SQLiteDebug.DbStats; 43import android.graphics.Bitmap; 44import android.graphics.Canvas; 45import android.net.IConnectivityManager; 46import android.net.Proxy; 47import android.net.ProxyProperties; 48import android.os.Bundle; 49import android.os.Debug; 50import android.os.Handler; 51import android.os.IBinder; 52import android.os.Looper; 53import android.os.Message; 54import android.os.MessageQueue; 55import android.os.ParcelFileDescriptor; 56import android.os.Process; 57import android.os.RemoteException; 58import android.os.ServiceManager; 59import android.os.StrictMode; 60import android.os.SystemClock; 61import android.util.AndroidRuntimeException; 62import android.util.Config; 63import android.util.DisplayMetrics; 64import android.util.EventLog; 65import android.util.Log; 66import android.util.LogPrinter; 67import android.util.Slog; 68import android.view.Display; 69import android.view.HardwareRenderer; 70import android.view.View; 71import android.view.ViewDebug; 72import android.view.ViewManager; 73import android.view.ViewRoot; 74import android.view.Window; 75import android.view.WindowManager; 76import android.view.WindowManagerImpl; 77 78import com.android.internal.os.BinderInternal; 79import com.android.internal.os.RuntimeInit; 80import com.android.internal.os.SamplingProfilerIntegration; 81 82import org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl; 83 84import java.io.File; 85import java.io.FileDescriptor; 86import java.io.FileOutputStream; 87import java.io.IOException; 88import java.io.PrintWriter; 89import java.lang.ref.WeakReference; 90import java.net.InetAddress; 91import java.util.ArrayList; 92import java.util.HashMap; 93import java.util.Iterator; 94import java.util.List; 95import java.util.Locale; 96import java.util.Map; 97import java.util.TimeZone; 98import java.util.regex.Pattern; 99 100import dalvik.system.CloseGuard; 101 102final class SuperNotCalledException extends AndroidRuntimeException { 103 public SuperNotCalledException(String msg) { 104 super(msg); 105 } 106} 107 108final class RemoteServiceException extends AndroidRuntimeException { 109 public RemoteServiceException(String msg) { 110 super(msg); 111 } 112} 113 114/** 115 * This manages the execution of the main thread in an 116 * application process, scheduling and executing activities, 117 * broadcasts, and other operations on it as the activity 118 * manager requests. 119 * 120 * {@hide} 121 */ 122public final class ActivityThread { 123 /** @hide */ 124 public static final String TAG = "ActivityThread"; 125 private static final android.graphics.Bitmap.Config THUMBNAIL_FORMAT = Bitmap.Config.RGB_565; 126 private static final boolean DEBUG = false; 127 static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV; 128 static final boolean DEBUG_MESSAGES = false; 129 /** @hide */ 130 public static final boolean DEBUG_BROADCAST = false; 131 private static final boolean DEBUG_RESULTS = false; 132 private static final boolean DEBUG_BACKUP = false; 133 private static final boolean DEBUG_CONFIGURATION = false; 134 private static final long MIN_TIME_BETWEEN_GCS = 5*1000; 135 private static final Pattern PATTERN_SEMICOLON = Pattern.compile(";"); 136 private static final int SQLITE_MEM_RELEASED_EVENT_LOG_TAG = 75003; 137 private static final int LOG_ON_PAUSE_CALLED = 30021; 138 private static final int LOG_ON_RESUME_CALLED = 30022; 139 140 static ContextImpl mSystemContext = null; 141 142 static IPackageManager sPackageManager; 143 144 final ApplicationThread mAppThread = new ApplicationThread(); 145 final Looper mLooper = Looper.myLooper(); 146 final H mH = new H(); 147 final HashMap<IBinder, ActivityClientRecord> mActivities 148 = new HashMap<IBinder, ActivityClientRecord>(); 149 // List of new activities (via ActivityRecord.nextIdle) that should 150 // be reported when next we idle. 151 ActivityClientRecord mNewActivities = null; 152 // Number of activities that are currently visible on-screen. 153 int mNumVisibleActivities = 0; 154 final HashMap<IBinder, Service> mServices 155 = new HashMap<IBinder, Service>(); 156 AppBindData mBoundApplication; 157 Configuration mConfiguration; 158 Configuration mResConfiguration; 159 Application mInitialApplication; 160 final ArrayList<Application> mAllApplications 161 = new ArrayList<Application>(); 162 // set of instantiated backup agents, keyed by package name 163 final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>(); 164 static final ThreadLocal<ActivityThread> sThreadLocal = new ThreadLocal(); 165 Instrumentation mInstrumentation; 166 String mInstrumentationAppDir = null; 167 String mInstrumentationAppPackage = null; 168 String mInstrumentedAppDir = null; 169 boolean mSystemThread = false; 170 boolean mJitEnabled = false; 171 172 // These can be accessed by multiple threads; mPackages is the lock. 173 // XXX For now we keep around information about all packages we have 174 // seen, not removing entries from this map. 175 // NOTE: The activity manager in its process needs to call in to 176 // ActivityThread to do things like update resource configurations, 177 // which means this lock gets held while the activity manager holds its 178 // own lock. Thus you MUST NEVER call back into the activity manager 179 // or anything that depends on it while holding this lock. 180 final HashMap<String, WeakReference<LoadedApk>> mPackages 181 = new HashMap<String, WeakReference<LoadedApk>>(); 182 final HashMap<String, WeakReference<LoadedApk>> mResourcePackages 183 = new HashMap<String, WeakReference<LoadedApk>>(); 184 Display mDisplay = null; 185 DisplayMetrics mDisplayMetrics = null; 186 final HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources 187 = new HashMap<ResourcesKey, WeakReference<Resources> >(); 188 final ArrayList<ActivityClientRecord> mRelaunchingActivities 189 = new ArrayList<ActivityClientRecord>(); 190 Configuration mPendingConfiguration = null; 191 192 // The lock of mProviderMap protects the following variables. 193 final HashMap<String, ProviderClientRecord> mProviderMap 194 = new HashMap<String, ProviderClientRecord>(); 195 final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap 196 = new HashMap<IBinder, ProviderRefCount>(); 197 final HashMap<IBinder, ProviderClientRecord> mLocalProviders 198 = new HashMap<IBinder, ProviderClientRecord>(); 199 200 final HashMap<Activity, ArrayList<OnActivityPausedListener>> mOnPauseListeners 201 = new HashMap<Activity, ArrayList<OnActivityPausedListener>>(); 202 203 final GcIdler mGcIdler = new GcIdler(); 204 boolean mGcIdlerScheduled = false; 205 206 static Handler sMainThreadHandler; // set once in main() 207 208 Bundle mCoreSettings = null; 209 210 static final class ActivityClientRecord { 211 IBinder token; 212 int ident; 213 Intent intent; 214 Bundle state; 215 Activity activity; 216 Window window; 217 Activity parent; 218 String embeddedID; 219 Activity.NonConfigurationInstances lastNonConfigurationInstances; 220 boolean paused; 221 boolean stopped; 222 boolean hideForNow; 223 Configuration newConfig; 224 Configuration createdConfig; 225 ActivityClientRecord nextIdle; 226 227 ActivityInfo activityInfo; 228 CompatibilityInfo compatInfo; 229 LoadedApk packageInfo; 230 231 List<ResultInfo> pendingResults; 232 List<Intent> pendingIntents; 233 234 boolean startsNotResumed; 235 boolean isForward; 236 int pendingConfigChanges; 237 boolean onlyLocalRequest; 238 239 View mPendingRemoveWindow; 240 WindowManager mPendingRemoveWindowManager; 241 242 ActivityClientRecord() { 243 parent = null; 244 embeddedID = null; 245 paused = false; 246 stopped = false; 247 hideForNow = false; 248 nextIdle = null; 249 } 250 251 public boolean isPreHoneycomb() { 252 if (activity != null) { 253 return activity.getApplicationInfo().targetSdkVersion 254 < android.os.Build.VERSION_CODES.HONEYCOMB; 255 } 256 return false; 257 } 258 259 public String toString() { 260 ComponentName componentName = intent.getComponent(); 261 return "ActivityRecord{" 262 + Integer.toHexString(System.identityHashCode(this)) 263 + " token=" + token + " " + (componentName == null 264 ? "no component name" : componentName.toShortString()) 265 + "}"; 266 } 267 } 268 269 final class ProviderClientRecord implements IBinder.DeathRecipient { 270 final String mName; 271 final IContentProvider mProvider; 272 final ContentProvider mLocalProvider; 273 274 ProviderClientRecord(String name, IContentProvider provider, 275 ContentProvider localProvider) { 276 mName = name; 277 mProvider = provider; 278 mLocalProvider = localProvider; 279 } 280 281 public void binderDied() { 282 removeDeadProvider(mName, mProvider); 283 } 284 } 285 286 static final class NewIntentData { 287 List<Intent> intents; 288 IBinder token; 289 public String toString() { 290 return "NewIntentData{intents=" + intents + " token=" + token + "}"; 291 } 292 } 293 294 static final class ReceiverData extends BroadcastReceiver.PendingResult { 295 public ReceiverData(Intent intent, int resultCode, String resultData, Bundle resultExtras, 296 boolean ordered, boolean sticky, IBinder token) { 297 super(resultCode, resultData, resultExtras, TYPE_COMPONENT, ordered, sticky, token); 298 this.intent = intent; 299 } 300 301 Intent intent; 302 ActivityInfo info; 303 CompatibilityInfo compatInfo; 304 public String toString() { 305 return "ReceiverData{intent=" + intent + " packageName=" + 306 info.packageName + " resultCode=" + getResultCode() 307 + " resultData=" + getResultData() + " resultExtras=" 308 + getResultExtras(false) + "}"; 309 } 310 } 311 312 static final class CreateBackupAgentData { 313 ApplicationInfo appInfo; 314 CompatibilityInfo compatInfo; 315 int backupMode; 316 public String toString() { 317 return "CreateBackupAgentData{appInfo=" + appInfo 318 + " backupAgent=" + appInfo.backupAgentName 319 + " mode=" + backupMode + "}"; 320 } 321 } 322 323 static final class CreateServiceData { 324 IBinder token; 325 ServiceInfo info; 326 CompatibilityInfo compatInfo; 327 Intent intent; 328 public String toString() { 329 return "CreateServiceData{token=" + token + " className=" 330 + info.name + " packageName=" + info.packageName 331 + " intent=" + intent + "}"; 332 } 333 } 334 335 static final class BindServiceData { 336 IBinder token; 337 Intent intent; 338 boolean rebind; 339 public String toString() { 340 return "BindServiceData{token=" + token + " intent=" + intent + "}"; 341 } 342 } 343 344 static final class ServiceArgsData { 345 IBinder token; 346 int startId; 347 int flags; 348 Intent args; 349 public String toString() { 350 return "ServiceArgsData{token=" + token + " startId=" + startId 351 + " args=" + args + "}"; 352 } 353 } 354 355 static final class AppBindData { 356 LoadedApk info; 357 String processName; 358 ApplicationInfo appInfo; 359 List<ProviderInfo> providers; 360 ComponentName instrumentationName; 361 String profileFile; 362 Bundle instrumentationArgs; 363 IInstrumentationWatcher instrumentationWatcher; 364 int debugMode; 365 boolean restrictedBackupMode; 366 Configuration config; 367 CompatibilityInfo compatInfo; 368 boolean handlingProfiling; 369 public String toString() { 370 return "AppBindData{appInfo=" + appInfo + "}"; 371 } 372 } 373 374 static final class DumpComponentInfo { 375 ParcelFileDescriptor fd; 376 IBinder token; 377 String prefix; 378 String[] args; 379 } 380 381 static final class ResultData { 382 IBinder token; 383 List<ResultInfo> results; 384 public String toString() { 385 return "ResultData{token=" + token + " results" + results + "}"; 386 } 387 } 388 389 static final class ContextCleanupInfo { 390 ContextImpl context; 391 String what; 392 String who; 393 } 394 395 static final class ProfilerControlData { 396 String path; 397 ParcelFileDescriptor fd; 398 } 399 400 static final class DumpHeapData { 401 String path; 402 ParcelFileDescriptor fd; 403 } 404 405 static final class UpdateCompatibilityData { 406 String pkg; 407 CompatibilityInfo info; 408 } 409 410 private final class ApplicationThread extends ApplicationThreadNative { 411 private static final String HEAP_COLUMN = "%17s %8s %8s %8s %8s"; 412 private static final String ONE_COUNT_COLUMN = "%17s %8d"; 413 private static final String TWO_COUNT_COLUMNS = "%17s %8d %17s %8d"; 414 private static final String TWO_COUNT_COLUMNS_DB = "%20s %8d %20s %8d"; 415 private static final String DB_INFO_FORMAT = " %8s %8s %14s %14s %s"; 416 417 // Formatting for checkin service - update version if row format changes 418 private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1; 419 420 public final void schedulePauseActivity(IBinder token, boolean finished, 421 boolean userLeaving, int configChanges) { 422 queueOrSendMessage( 423 finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY, 424 token, 425 (userLeaving ? 1 : 0), 426 configChanges); 427 } 428 429 public final void scheduleStopActivity(IBinder token, boolean showWindow, 430 int configChanges) { 431 queueOrSendMessage( 432 showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE, 433 token, 0, configChanges); 434 } 435 436 public final void scheduleWindowVisibility(IBinder token, boolean showWindow) { 437 queueOrSendMessage( 438 showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW, 439 token); 440 } 441 442 public final void scheduleSleeping(IBinder token, boolean sleeping) { 443 queueOrSendMessage(H.SLEEPING, token, sleeping ? 1 : 0); 444 } 445 446 public final void scheduleResumeActivity(IBinder token, boolean isForward) { 447 queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0); 448 } 449 450 public final void scheduleSendResult(IBinder token, List<ResultInfo> results) { 451 ResultData res = new ResultData(); 452 res.token = token; 453 res.results = results; 454 queueOrSendMessage(H.SEND_RESULT, res); 455 } 456 457 // we use token to identify this activity without having to send the 458 // activity itself back to the activity manager. (matters more with ipc) 459 public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident, 460 ActivityInfo info, CompatibilityInfo compatInfo, Bundle state, 461 List<ResultInfo> pendingResults, 462 List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) { 463 ActivityClientRecord r = new ActivityClientRecord(); 464 465 r.token = token; 466 r.ident = ident; 467 r.intent = intent; 468 r.activityInfo = info; 469 r.compatInfo = compatInfo; 470 r.state = state; 471 472 r.pendingResults = pendingResults; 473 r.pendingIntents = pendingNewIntents; 474 475 r.startsNotResumed = notResumed; 476 r.isForward = isForward; 477 478 queueOrSendMessage(H.LAUNCH_ACTIVITY, r); 479 } 480 481 public final void scheduleRelaunchActivity(IBinder token, 482 List<ResultInfo> pendingResults, List<Intent> pendingNewIntents, 483 int configChanges, boolean notResumed, Configuration config) { 484 requestRelaunchActivity(token, pendingResults, pendingNewIntents, 485 configChanges, notResumed, config, true); 486 } 487 488 public final void scheduleNewIntent(List<Intent> intents, IBinder token) { 489 NewIntentData data = new NewIntentData(); 490 data.intents = intents; 491 data.token = token; 492 493 queueOrSendMessage(H.NEW_INTENT, data); 494 } 495 496 public final void scheduleDestroyActivity(IBinder token, boolean finishing, 497 int configChanges) { 498 queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0, 499 configChanges); 500 } 501 502 public final void scheduleReceiver(Intent intent, ActivityInfo info, 503 CompatibilityInfo compatInfo, int resultCode, String data, Bundle extras, 504 boolean sync) { 505 ReceiverData r = new ReceiverData(intent, resultCode, data, extras, 506 sync, false, mAppThread.asBinder()); 507 r.info = info; 508 r.compatInfo = compatInfo; 509 queueOrSendMessage(H.RECEIVER, r); 510 } 511 512 public final void scheduleCreateBackupAgent(ApplicationInfo app, 513 CompatibilityInfo compatInfo, int backupMode) { 514 CreateBackupAgentData d = new CreateBackupAgentData(); 515 d.appInfo = app; 516 d.compatInfo = compatInfo; 517 d.backupMode = backupMode; 518 519 queueOrSendMessage(H.CREATE_BACKUP_AGENT, d); 520 } 521 522 public final void scheduleDestroyBackupAgent(ApplicationInfo app, 523 CompatibilityInfo compatInfo) { 524 CreateBackupAgentData d = new CreateBackupAgentData(); 525 d.appInfo = app; 526 d.compatInfo = compatInfo; 527 528 queueOrSendMessage(H.DESTROY_BACKUP_AGENT, d); 529 } 530 531 public final void scheduleCreateService(IBinder token, 532 ServiceInfo info, CompatibilityInfo compatInfo) { 533 CreateServiceData s = new CreateServiceData(); 534 s.token = token; 535 s.info = info; 536 s.compatInfo = compatInfo; 537 538 queueOrSendMessage(H.CREATE_SERVICE, s); 539 } 540 541 public final void scheduleBindService(IBinder token, Intent intent, 542 boolean rebind) { 543 BindServiceData s = new BindServiceData(); 544 s.token = token; 545 s.intent = intent; 546 s.rebind = rebind; 547 548 queueOrSendMessage(H.BIND_SERVICE, s); 549 } 550 551 public final void scheduleUnbindService(IBinder token, Intent intent) { 552 BindServiceData s = new BindServiceData(); 553 s.token = token; 554 s.intent = intent; 555 556 queueOrSendMessage(H.UNBIND_SERVICE, s); 557 } 558 559 public final void scheduleServiceArgs(IBinder token, int startId, 560 int flags ,Intent args) { 561 ServiceArgsData s = new ServiceArgsData(); 562 s.token = token; 563 s.startId = startId; 564 s.flags = flags; 565 s.args = args; 566 567 queueOrSendMessage(H.SERVICE_ARGS, s); 568 } 569 570 public final void scheduleStopService(IBinder token) { 571 queueOrSendMessage(H.STOP_SERVICE, token); 572 } 573 574 public final void bindApplication(String processName, 575 ApplicationInfo appInfo, List<ProviderInfo> providers, 576 ComponentName instrumentationName, String profileFile, 577 Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher, 578 int debugMode, boolean isRestrictedBackupMode, Configuration config, 579 CompatibilityInfo compatInfo, Map<String, IBinder> services, 580 Bundle coreSettings) { 581 582 if (services != null) { 583 // Setup the service cache in the ServiceManager 584 ServiceManager.initServiceCache(services); 585 } 586 587 setCoreSettings(coreSettings); 588 589 AppBindData data = new AppBindData(); 590 data.processName = processName; 591 data.appInfo = appInfo; 592 data.providers = providers; 593 data.instrumentationName = instrumentationName; 594 data.profileFile = profileFile; 595 data.instrumentationArgs = instrumentationArgs; 596 data.instrumentationWatcher = instrumentationWatcher; 597 data.debugMode = debugMode; 598 data.restrictedBackupMode = isRestrictedBackupMode; 599 data.config = config; 600 data.compatInfo = compatInfo; 601 queueOrSendMessage(H.BIND_APPLICATION, data); 602 } 603 604 public final void scheduleExit() { 605 queueOrSendMessage(H.EXIT_APPLICATION, null); 606 } 607 608 public final void scheduleSuicide() { 609 queueOrSendMessage(H.SUICIDE, null); 610 } 611 612 public void requestThumbnail(IBinder token) { 613 queueOrSendMessage(H.REQUEST_THUMBNAIL, token); 614 } 615 616 public void scheduleConfigurationChanged(Configuration config) { 617 synchronized (mPackages) { 618 if (mPendingConfiguration == null || 619 mPendingConfiguration.isOtherSeqNewer(config)) { 620 mPendingConfiguration = config; 621 } 622 } 623 queueOrSendMessage(H.CONFIGURATION_CHANGED, config); 624 } 625 626 public void updateTimeZone() { 627 TimeZone.setDefault(null); 628 } 629 630 public void clearDnsCache() { 631 // a non-standard API to get this to libcore 632 InetAddress.clearDnsCache(); 633 } 634 635 public void setHttpProxy(String host, String port, String exclList) { 636 Proxy.setHttpProxySystemProperty(host, port, exclList); 637 } 638 639 public void processInBackground() { 640 mH.removeMessages(H.GC_WHEN_IDLE); 641 mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE)); 642 } 643 644 public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) { 645 DumpComponentInfo data = new DumpComponentInfo(); 646 try { 647 data.fd = ParcelFileDescriptor.dup(fd); 648 data.token = servicetoken; 649 data.args = args; 650 queueOrSendMessage(H.DUMP_SERVICE, data); 651 } catch (IOException e) { 652 Slog.w(TAG, "dumpService failed", e); 653 } 654 } 655 656 // This function exists to make sure all receiver dispatching is 657 // correctly ordered, since these are one-way calls and the binder driver 658 // applies transaction ordering per object for such calls. 659 public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent, 660 int resultCode, String dataStr, Bundle extras, boolean ordered, 661 boolean sticky) throws RemoteException { 662 receiver.performReceive(intent, resultCode, dataStr, extras, ordered, sticky); 663 } 664 665 public void scheduleLowMemory() { 666 queueOrSendMessage(H.LOW_MEMORY, null); 667 } 668 669 public void scheduleActivityConfigurationChanged(IBinder token) { 670 queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token); 671 } 672 673 public void profilerControl(boolean start, String path, ParcelFileDescriptor fd) { 674 ProfilerControlData pcd = new ProfilerControlData(); 675 pcd.path = path; 676 pcd.fd = fd; 677 queueOrSendMessage(H.PROFILER_CONTROL, pcd, start ? 1 : 0); 678 } 679 680 public void dumpHeap(boolean managed, String path, ParcelFileDescriptor fd) { 681 DumpHeapData dhd = new DumpHeapData(); 682 dhd.path = path; 683 dhd.fd = fd; 684 queueOrSendMessage(H.DUMP_HEAP, dhd, managed ? 1 : 0); 685 } 686 687 public void setSchedulingGroup(int group) { 688 // Note: do this immediately, since going into the foreground 689 // should happen regardless of what pending work we have to do 690 // and the activity manager will wait for us to report back that 691 // we are done before sending us to the background. 692 try { 693 Process.setProcessGroup(Process.myPid(), group); 694 } catch (Exception e) { 695 Slog.w(TAG, "Failed setting process group to " + group, e); 696 } 697 } 698 699 public void getMemoryInfo(Debug.MemoryInfo outInfo) { 700 Debug.getMemoryInfo(outInfo); 701 } 702 703 public void dispatchPackageBroadcast(int cmd, String[] packages) { 704 queueOrSendMessage(H.DISPATCH_PACKAGE_BROADCAST, packages, cmd); 705 } 706 707 public void scheduleCrash(String msg) { 708 queueOrSendMessage(H.SCHEDULE_CRASH, msg); 709 } 710 711 public void dumpActivity(FileDescriptor fd, IBinder activitytoken, 712 String prefix, String[] args) { 713 DumpComponentInfo data = new DumpComponentInfo(); 714 try { 715 data.fd = ParcelFileDescriptor.dup(fd); 716 data.token = activitytoken; 717 data.prefix = prefix; 718 data.args = args; 719 queueOrSendMessage(H.DUMP_ACTIVITY, data); 720 } catch (IOException e) { 721 Slog.w(TAG, "dumpActivity failed", e); 722 } 723 } 724 725 @Override 726 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 727 long nativeMax = Debug.getNativeHeapSize() / 1024; 728 long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024; 729 long nativeFree = Debug.getNativeHeapFreeSize() / 1024; 730 731 Debug.MemoryInfo memInfo = new Debug.MemoryInfo(); 732 Debug.getMemoryInfo(memInfo); 733 734 final int nativeShared = memInfo.nativeSharedDirty; 735 final int dalvikShared = memInfo.dalvikSharedDirty; 736 final int otherShared = memInfo.otherSharedDirty; 737 738 final int nativePrivate = memInfo.nativePrivateDirty; 739 final int dalvikPrivate = memInfo.dalvikPrivateDirty; 740 final int otherPrivate = memInfo.otherPrivateDirty; 741 742 Runtime runtime = Runtime.getRuntime(); 743 744 long dalvikMax = runtime.totalMemory() / 1024; 745 long dalvikFree = runtime.freeMemory() / 1024; 746 long dalvikAllocated = dalvikMax - dalvikFree; 747 long viewInstanceCount = ViewDebug.getViewInstanceCount(); 748 long viewRootInstanceCount = ViewDebug.getViewRootInstanceCount(); 749 long appContextInstanceCount = Debug.countInstancesOfClass(ContextImpl.class); 750 long activityInstanceCount = Debug.countInstancesOfClass(Activity.class); 751 int globalAssetCount = AssetManager.getGlobalAssetCount(); 752 int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount(); 753 int binderLocalObjectCount = Debug.getBinderLocalObjectCount(); 754 int binderProxyObjectCount = Debug.getBinderProxyObjectCount(); 755 int binderDeathObjectCount = Debug.getBinderDeathObjectCount(); 756 long openSslSocketCount = Debug.countInstancesOfClass(OpenSSLSocketImpl.class); 757 long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024; 758 SQLiteDebug.PagerStats stats = SQLiteDebug.getDatabaseInfo(); 759 760 // Check to see if we were called by checkin server. If so, print terse format. 761 boolean doCheckinFormat = false; 762 if (args != null) { 763 for (String arg : args) { 764 if ("-c".equals(arg)) doCheckinFormat = true; 765 } 766 } 767 768 // For checkin, we print one long comma-separated list of values 769 if (doCheckinFormat) { 770 // NOTE: if you change anything significant below, also consider changing 771 // ACTIVITY_THREAD_CHECKIN_VERSION. 772 String processName = (mBoundApplication != null) 773 ? mBoundApplication.processName : "unknown"; 774 775 // Header 776 pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(','); 777 pw.print(Process.myPid()); pw.print(','); 778 pw.print(processName); pw.print(','); 779 780 // Heap info - max 781 pw.print(nativeMax); pw.print(','); 782 pw.print(dalvikMax); pw.print(','); 783 pw.print("N/A,"); 784 pw.print(nativeMax + dalvikMax); pw.print(','); 785 786 // Heap info - allocated 787 pw.print(nativeAllocated); pw.print(','); 788 pw.print(dalvikAllocated); pw.print(','); 789 pw.print("N/A,"); 790 pw.print(nativeAllocated + dalvikAllocated); pw.print(','); 791 792 // Heap info - free 793 pw.print(nativeFree); pw.print(','); 794 pw.print(dalvikFree); pw.print(','); 795 pw.print("N/A,"); 796 pw.print(nativeFree + dalvikFree); pw.print(','); 797 798 // Heap info - proportional set size 799 pw.print(memInfo.nativePss); pw.print(','); 800 pw.print(memInfo.dalvikPss); pw.print(','); 801 pw.print(memInfo.otherPss); pw.print(','); 802 pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(','); 803 804 // Heap info - shared 805 pw.print(nativeShared); pw.print(','); 806 pw.print(dalvikShared); pw.print(','); 807 pw.print(otherShared); pw.print(','); 808 pw.print(nativeShared + dalvikShared + otherShared); pw.print(','); 809 810 // Heap info - private 811 pw.print(nativePrivate); pw.print(','); 812 pw.print(dalvikPrivate); pw.print(','); 813 pw.print(otherPrivate); pw.print(','); 814 pw.print(nativePrivate + dalvikPrivate + otherPrivate); pw.print(','); 815 816 // Object counts 817 pw.print(viewInstanceCount); pw.print(','); 818 pw.print(viewRootInstanceCount); pw.print(','); 819 pw.print(appContextInstanceCount); pw.print(','); 820 pw.print(activityInstanceCount); pw.print(','); 821 822 pw.print(globalAssetCount); pw.print(','); 823 pw.print(globalAssetManagerCount); pw.print(','); 824 pw.print(binderLocalObjectCount); pw.print(','); 825 pw.print(binderProxyObjectCount); pw.print(','); 826 827 pw.print(binderDeathObjectCount); pw.print(','); 828 pw.print(openSslSocketCount); pw.print(','); 829 830 // SQL 831 pw.print(sqliteAllocated); pw.print(','); 832 pw.print(stats.memoryUsed / 1024); pw.print(','); 833 pw.print(stats.pageCacheOverflo / 1024); pw.print(','); 834 pw.print(stats.largestMemAlloc / 1024); pw.print(','); 835 for (int i = 0; i < stats.dbStats.size(); i++) { 836 DbStats dbStats = stats.dbStats.get(i); 837 printRow(pw, DB_INFO_FORMAT, dbStats.pageSize, dbStats.dbSize, 838 dbStats.lookaside, dbStats.cache, dbStats.dbName); 839 pw.print(','); 840 } 841 842 return; 843 } 844 845 // otherwise, show human-readable format 846 printRow(pw, HEAP_COLUMN, "", "native", "dalvik", "other", "total"); 847 printRow(pw, HEAP_COLUMN, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax); 848 printRow(pw, HEAP_COLUMN, "allocated:", nativeAllocated, dalvikAllocated, "N/A", 849 nativeAllocated + dalvikAllocated); 850 printRow(pw, HEAP_COLUMN, "free:", nativeFree, dalvikFree, "N/A", 851 nativeFree + dalvikFree); 852 853 printRow(pw, HEAP_COLUMN, "(Pss):", memInfo.nativePss, memInfo.dalvikPss, 854 memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); 855 856 printRow(pw, HEAP_COLUMN, "(shared dirty):", nativeShared, dalvikShared, otherShared, 857 nativeShared + dalvikShared + otherShared); 858 printRow(pw, HEAP_COLUMN, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate, 859 nativePrivate + dalvikPrivate + otherPrivate); 860 861 pw.println(" "); 862 pw.println(" Objects"); 863 printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRoots:", 864 viewRootInstanceCount); 865 866 printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount, 867 "Activities:", activityInstanceCount); 868 869 printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount, 870 "AssetManagers:", globalAssetManagerCount); 871 872 printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount, 873 "Proxy Binders:", binderProxyObjectCount); 874 printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount); 875 876 printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount); 877 878 // SQLite mem info 879 pw.println(" "); 880 pw.println(" SQL"); 881 printRow(pw, TWO_COUNT_COLUMNS_DB, "heap:", sqliteAllocated, "MEMORY_USED:", 882 stats.memoryUsed / 1024); 883 printRow(pw, TWO_COUNT_COLUMNS_DB, "PAGECACHE_OVERFLOW:", 884 stats.pageCacheOverflo / 1024, "MALLOC_SIZE:", stats.largestMemAlloc / 1024); 885 pw.println(" "); 886 int N = stats.dbStats.size(); 887 if (N > 0) { 888 pw.println(" DATABASES"); 889 printRow(pw, " %8s %8s %14s %14s %s", "pgsz", "dbsz", "Lookaside(b)", "cache", 890 "Dbname"); 891 for (int i = 0; i < N; i++) { 892 DbStats dbStats = stats.dbStats.get(i); 893 printRow(pw, DB_INFO_FORMAT, 894 (dbStats.pageSize > 0) ? String.valueOf(dbStats.pageSize) : " ", 895 (dbStats.dbSize > 0) ? String.valueOf(dbStats.dbSize) : " ", 896 (dbStats.lookaside > 0) ? String.valueOf(dbStats.lookaside) : " ", 897 dbStats.cache, dbStats.dbName); 898 } 899 } 900 901 // Asset details. 902 String assetAlloc = AssetManager.getAssetAllocations(); 903 if (assetAlloc != null) { 904 pw.println(" "); 905 pw.println(" Asset Allocations"); 906 pw.print(assetAlloc); 907 } 908 } 909 910 private void printRow(PrintWriter pw, String format, Object...objs) { 911 pw.println(String.format(format, objs)); 912 } 913 914 public void setCoreSettings(Bundle coreSettings) { 915 queueOrSendMessage(H.SET_CORE_SETTINGS, coreSettings); 916 } 917 918 public void updatePackageCompatibilityInfo(String pkg, CompatibilityInfo info) { 919 UpdateCompatibilityData ucd = new UpdateCompatibilityData(); 920 ucd.pkg = pkg; 921 ucd.info = info; 922 queueOrSendMessage(H.UPDATE_PACKAGE_COMPATIBILITY_INFO, ucd); 923 } 924 } 925 926 private final class H extends Handler { 927 public static final int LAUNCH_ACTIVITY = 100; 928 public static final int PAUSE_ACTIVITY = 101; 929 public static final int PAUSE_ACTIVITY_FINISHING= 102; 930 public static final int STOP_ACTIVITY_SHOW = 103; 931 public static final int STOP_ACTIVITY_HIDE = 104; 932 public static final int SHOW_WINDOW = 105; 933 public static final int HIDE_WINDOW = 106; 934 public static final int RESUME_ACTIVITY = 107; 935 public static final int SEND_RESULT = 108; 936 public static final int DESTROY_ACTIVITY = 109; 937 public static final int BIND_APPLICATION = 110; 938 public static final int EXIT_APPLICATION = 111; 939 public static final int NEW_INTENT = 112; 940 public static final int RECEIVER = 113; 941 public static final int CREATE_SERVICE = 114; 942 public static final int SERVICE_ARGS = 115; 943 public static final int STOP_SERVICE = 116; 944 public static final int REQUEST_THUMBNAIL = 117; 945 public static final int CONFIGURATION_CHANGED = 118; 946 public static final int CLEAN_UP_CONTEXT = 119; 947 public static final int GC_WHEN_IDLE = 120; 948 public static final int BIND_SERVICE = 121; 949 public static final int UNBIND_SERVICE = 122; 950 public static final int DUMP_SERVICE = 123; 951 public static final int LOW_MEMORY = 124; 952 public static final int ACTIVITY_CONFIGURATION_CHANGED = 125; 953 public static final int RELAUNCH_ACTIVITY = 126; 954 public static final int PROFILER_CONTROL = 127; 955 public static final int CREATE_BACKUP_AGENT = 128; 956 public static final int DESTROY_BACKUP_AGENT = 129; 957 public static final int SUICIDE = 130; 958 public static final int REMOVE_PROVIDER = 131; 959 public static final int ENABLE_JIT = 132; 960 public static final int DISPATCH_PACKAGE_BROADCAST = 133; 961 public static final int SCHEDULE_CRASH = 134; 962 public static final int DUMP_HEAP = 135; 963 public static final int DUMP_ACTIVITY = 136; 964 public static final int SLEEPING = 137; 965 public static final int SET_CORE_SETTINGS = 138; 966 public static final int UPDATE_PACKAGE_COMPATIBILITY_INFO = 139; 967 String codeToString(int code) { 968 if (DEBUG_MESSAGES) { 969 switch (code) { 970 case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY"; 971 case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY"; 972 case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING"; 973 case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW"; 974 case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE"; 975 case SHOW_WINDOW: return "SHOW_WINDOW"; 976 case HIDE_WINDOW: return "HIDE_WINDOW"; 977 case RESUME_ACTIVITY: return "RESUME_ACTIVITY"; 978 case SEND_RESULT: return "SEND_RESULT"; 979 case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY"; 980 case BIND_APPLICATION: return "BIND_APPLICATION"; 981 case EXIT_APPLICATION: return "EXIT_APPLICATION"; 982 case NEW_INTENT: return "NEW_INTENT"; 983 case RECEIVER: return "RECEIVER"; 984 case CREATE_SERVICE: return "CREATE_SERVICE"; 985 case SERVICE_ARGS: return "SERVICE_ARGS"; 986 case STOP_SERVICE: return "STOP_SERVICE"; 987 case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL"; 988 case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED"; 989 case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT"; 990 case GC_WHEN_IDLE: return "GC_WHEN_IDLE"; 991 case BIND_SERVICE: return "BIND_SERVICE"; 992 case UNBIND_SERVICE: return "UNBIND_SERVICE"; 993 case DUMP_SERVICE: return "DUMP_SERVICE"; 994 case LOW_MEMORY: return "LOW_MEMORY"; 995 case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED"; 996 case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY"; 997 case PROFILER_CONTROL: return "PROFILER_CONTROL"; 998 case CREATE_BACKUP_AGENT: return "CREATE_BACKUP_AGENT"; 999 case DESTROY_BACKUP_AGENT: return "DESTROY_BACKUP_AGENT"; 1000 case SUICIDE: return "SUICIDE"; 1001 case REMOVE_PROVIDER: return "REMOVE_PROVIDER"; 1002 case ENABLE_JIT: return "ENABLE_JIT"; 1003 case DISPATCH_PACKAGE_BROADCAST: return "DISPATCH_PACKAGE_BROADCAST"; 1004 case SCHEDULE_CRASH: return "SCHEDULE_CRASH"; 1005 case DUMP_HEAP: return "DUMP_HEAP"; 1006 case DUMP_ACTIVITY: return "DUMP_ACTIVITY"; 1007 case SLEEPING: return "SLEEPING"; 1008 case SET_CORE_SETTINGS: return "SET_CORE_SETTINGS"; 1009 case UPDATE_PACKAGE_COMPATIBILITY_INFO: return "UPDATE_PACKAGE_COMPATIBILITY_INFO"; 1010 } 1011 } 1012 return "(unknown)"; 1013 } 1014 public void handleMessage(Message msg) { 1015 if (DEBUG_MESSAGES) Slog.v(TAG, ">>> handling: " + msg.what); 1016 switch (msg.what) { 1017 case LAUNCH_ACTIVITY: { 1018 ActivityClientRecord r = (ActivityClientRecord)msg.obj; 1019 1020 r.packageInfo = getPackageInfoNoCheck( 1021 r.activityInfo.applicationInfo, r.compatInfo); 1022 handleLaunchActivity(r, null); 1023 } break; 1024 case RELAUNCH_ACTIVITY: { 1025 ActivityClientRecord r = (ActivityClientRecord)msg.obj; 1026 handleRelaunchActivity(r); 1027 } break; 1028 case PAUSE_ACTIVITY: 1029 handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2); 1030 maybeSnapshot(); 1031 break; 1032 case PAUSE_ACTIVITY_FINISHING: 1033 handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2); 1034 break; 1035 case STOP_ACTIVITY_SHOW: 1036 handleStopActivity((IBinder)msg.obj, true, msg.arg2); 1037 break; 1038 case STOP_ACTIVITY_HIDE: 1039 handleStopActivity((IBinder)msg.obj, false, msg.arg2); 1040 break; 1041 case SHOW_WINDOW: 1042 handleWindowVisibility((IBinder)msg.obj, true); 1043 break; 1044 case HIDE_WINDOW: 1045 handleWindowVisibility((IBinder)msg.obj, false); 1046 break; 1047 case RESUME_ACTIVITY: 1048 handleResumeActivity((IBinder)msg.obj, true, 1049 msg.arg1 != 0); 1050 break; 1051 case SEND_RESULT: 1052 handleSendResult((ResultData)msg.obj); 1053 break; 1054 case DESTROY_ACTIVITY: 1055 handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0, 1056 msg.arg2, false); 1057 break; 1058 case BIND_APPLICATION: 1059 AppBindData data = (AppBindData)msg.obj; 1060 handleBindApplication(data); 1061 break; 1062 case EXIT_APPLICATION: 1063 if (mInitialApplication != null) { 1064 mInitialApplication.onTerminate(); 1065 } 1066 Looper.myLooper().quit(); 1067 break; 1068 case NEW_INTENT: 1069 handleNewIntent((NewIntentData)msg.obj); 1070 break; 1071 case RECEIVER: 1072 handleReceiver((ReceiverData)msg.obj); 1073 maybeSnapshot(); 1074 break; 1075 case CREATE_SERVICE: 1076 handleCreateService((CreateServiceData)msg.obj); 1077 break; 1078 case BIND_SERVICE: 1079 handleBindService((BindServiceData)msg.obj); 1080 break; 1081 case UNBIND_SERVICE: 1082 handleUnbindService((BindServiceData)msg.obj); 1083 break; 1084 case SERVICE_ARGS: 1085 handleServiceArgs((ServiceArgsData)msg.obj); 1086 break; 1087 case STOP_SERVICE: 1088 handleStopService((IBinder)msg.obj); 1089 maybeSnapshot(); 1090 break; 1091 case REQUEST_THUMBNAIL: 1092 handleRequestThumbnail((IBinder)msg.obj); 1093 break; 1094 case CONFIGURATION_CHANGED: 1095 handleConfigurationChanged((Configuration)msg.obj, null); 1096 break; 1097 case CLEAN_UP_CONTEXT: 1098 ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj; 1099 cci.context.performFinalCleanup(cci.who, cci.what); 1100 break; 1101 case GC_WHEN_IDLE: 1102 scheduleGcIdler(); 1103 break; 1104 case DUMP_SERVICE: 1105 handleDumpService((DumpComponentInfo)msg.obj); 1106 break; 1107 case LOW_MEMORY: 1108 handleLowMemory(); 1109 break; 1110 case ACTIVITY_CONFIGURATION_CHANGED: 1111 handleActivityConfigurationChanged((IBinder)msg.obj); 1112 break; 1113 case PROFILER_CONTROL: 1114 handleProfilerControl(msg.arg1 != 0, (ProfilerControlData)msg.obj); 1115 break; 1116 case CREATE_BACKUP_AGENT: 1117 handleCreateBackupAgent((CreateBackupAgentData)msg.obj); 1118 break; 1119 case DESTROY_BACKUP_AGENT: 1120 handleDestroyBackupAgent((CreateBackupAgentData)msg.obj); 1121 break; 1122 case SUICIDE: 1123 Process.killProcess(Process.myPid()); 1124 break; 1125 case REMOVE_PROVIDER: 1126 completeRemoveProvider((IContentProvider)msg.obj); 1127 break; 1128 case ENABLE_JIT: 1129 ensureJitEnabled(); 1130 break; 1131 case DISPATCH_PACKAGE_BROADCAST: 1132 handleDispatchPackageBroadcast(msg.arg1, (String[])msg.obj); 1133 break; 1134 case SCHEDULE_CRASH: 1135 throw new RemoteServiceException((String)msg.obj); 1136 case DUMP_HEAP: 1137 handleDumpHeap(msg.arg1 != 0, (DumpHeapData)msg.obj); 1138 break; 1139 case DUMP_ACTIVITY: 1140 handleDumpActivity((DumpComponentInfo)msg.obj); 1141 break; 1142 case SLEEPING: 1143 handleSleeping((IBinder)msg.obj, msg.arg1 != 0); 1144 break; 1145 case SET_CORE_SETTINGS: 1146 handleSetCoreSettings((Bundle) msg.obj); 1147 break; 1148 case UPDATE_PACKAGE_COMPATIBILITY_INFO: 1149 handleUpdatePackageCompatibilityInfo((UpdateCompatibilityData)msg.obj); 1150 } 1151 if (DEBUG_MESSAGES) Slog.v(TAG, "<<< done: " + msg.what); 1152 } 1153 1154 void maybeSnapshot() { 1155 if (mBoundApplication != null) { 1156 // convert the *private* ActivityThread.PackageInfo to *public* known 1157 // android.content.pm.PackageInfo 1158 String packageName = mBoundApplication.info.mPackageName; 1159 android.content.pm.PackageInfo packageInfo = null; 1160 try { 1161 Context context = getSystemContext(); 1162 if(context == null) { 1163 Log.e(TAG, "cannot get a valid context"); 1164 return; 1165 } 1166 PackageManager pm = context.getPackageManager(); 1167 if(pm == null) { 1168 Log.e(TAG, "cannot get a valid PackageManager"); 1169 return; 1170 } 1171 packageInfo = pm.getPackageInfo( 1172 packageName, PackageManager.GET_ACTIVITIES); 1173 } catch (NameNotFoundException e) { 1174 Log.e(TAG, "cannot get package info for " + packageName, e); 1175 } 1176 SamplingProfilerIntegration.writeSnapshot(mBoundApplication.processName, packageInfo); 1177 } 1178 } 1179 } 1180 1181 private final class Idler implements MessageQueue.IdleHandler { 1182 public final boolean queueIdle() { 1183 ActivityClientRecord a = mNewActivities; 1184 if (a != null) { 1185 mNewActivities = null; 1186 IActivityManager am = ActivityManagerNative.getDefault(); 1187 ActivityClientRecord prev; 1188 do { 1189 if (localLOGV) Slog.v( 1190 TAG, "Reporting idle of " + a + 1191 " finished=" + 1192 (a.activity != null ? a.activity.mFinished : false)); 1193 if (a.activity != null && !a.activity.mFinished) { 1194 try { 1195 am.activityIdle(a.token, a.createdConfig); 1196 a.createdConfig = null; 1197 } catch (RemoteException ex) { 1198 } 1199 } 1200 prev = a; 1201 a = a.nextIdle; 1202 prev.nextIdle = null; 1203 } while (a != null); 1204 } 1205 ensureJitEnabled(); 1206 return false; 1207 } 1208 } 1209 1210 final class GcIdler implements MessageQueue.IdleHandler { 1211 public final boolean queueIdle() { 1212 doGcIfNeeded(); 1213 return false; 1214 } 1215 } 1216 1217 private final static class ResourcesKey { 1218 final private String mResDir; 1219 final private float mScale; 1220 final private int mHash; 1221 1222 ResourcesKey(String resDir, float scale) { 1223 mResDir = resDir; 1224 mScale = scale; 1225 mHash = mResDir.hashCode() << 2 + (int) (mScale * 2); 1226 } 1227 1228 @Override 1229 public int hashCode() { 1230 return mHash; 1231 } 1232 1233 @Override 1234 public boolean equals(Object obj) { 1235 if (!(obj instanceof ResourcesKey)) { 1236 return false; 1237 } 1238 ResourcesKey peer = (ResourcesKey) obj; 1239 return mResDir.equals(peer.mResDir) && mScale == peer.mScale; 1240 } 1241 } 1242 1243 public static final ActivityThread currentActivityThread() { 1244 return sThreadLocal.get(); 1245 } 1246 1247 public static final String currentPackageName() { 1248 ActivityThread am = currentActivityThread(); 1249 return (am != null && am.mBoundApplication != null) 1250 ? am.mBoundApplication.processName : null; 1251 } 1252 1253 public static final Application currentApplication() { 1254 ActivityThread am = currentActivityThread(); 1255 return am != null ? am.mInitialApplication : null; 1256 } 1257 1258 public static IPackageManager getPackageManager() { 1259 if (sPackageManager != null) { 1260 //Slog.v("PackageManager", "returning cur default = " + sPackageManager); 1261 return sPackageManager; 1262 } 1263 IBinder b = ServiceManager.getService("package"); 1264 //Slog.v("PackageManager", "default service binder = " + b); 1265 sPackageManager = IPackageManager.Stub.asInterface(b); 1266 //Slog.v("PackageManager", "default service = " + sPackageManager); 1267 return sPackageManager; 1268 } 1269 1270 DisplayMetrics getDisplayMetricsLocked(boolean forceUpdate) { 1271 if (mDisplayMetrics != null && !forceUpdate) { 1272 return mDisplayMetrics; 1273 } 1274 if (mDisplay == null) { 1275 WindowManager wm = WindowManagerImpl.getDefault(); 1276 mDisplay = wm.getDefaultDisplay(); 1277 } 1278 DisplayMetrics metrics = mDisplayMetrics = new DisplayMetrics(); 1279 mDisplay.getMetrics(metrics); 1280 //Slog.i("foo", "New metrics: w=" + metrics.widthPixels + " h=" 1281 // + metrics.heightPixels + " den=" + metrics.density 1282 // + " xdpi=" + metrics.xdpi + " ydpi=" + metrics.ydpi); 1283 return metrics; 1284 } 1285 1286 /** 1287 * Creates the top level Resources for applications with the given compatibility info. 1288 * 1289 * @param resDir the resource directory. 1290 * @param compInfo the compability info. It will use the default compatibility info when it's 1291 * null. 1292 */ 1293 Resources getTopLevelResources(String resDir, CompatibilityInfo compInfo) { 1294 ResourcesKey key = new ResourcesKey(resDir, compInfo.applicationScale); 1295 Resources r; 1296 synchronized (mPackages) { 1297 // Resources is app scale dependent. 1298 if (false) { 1299 Slog.w(TAG, "getTopLevelResources: " + resDir + " / " 1300 + compInfo.applicationScale); 1301 } 1302 WeakReference<Resources> wr = mActiveResources.get(key); 1303 r = wr != null ? wr.get() : null; 1304 //if (r != null) Slog.i(TAG, "isUpToDate " + resDir + ": " + r.getAssets().isUpToDate()); 1305 if (r != null && r.getAssets().isUpToDate()) { 1306 if (false) { 1307 Slog.w(TAG, "Returning cached resources " + r + " " + resDir 1308 + ": appScale=" + r.getCompatibilityInfo().applicationScale); 1309 } 1310 return r; 1311 } 1312 } 1313 1314 //if (r != null) { 1315 // Slog.w(TAG, "Throwing away out-of-date resources!!!! " 1316 // + r + " " + resDir); 1317 //} 1318 1319 AssetManager assets = new AssetManager(); 1320 if (assets.addAssetPath(resDir) == 0) { 1321 return null; 1322 } 1323 1324 //Slog.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics); 1325 DisplayMetrics metrics = getDisplayMetricsLocked(false); 1326 r = new Resources(assets, metrics, getConfiguration(), compInfo); 1327 if (false) { 1328 Slog.i(TAG, "Created app resources " + resDir + " " + r + ": " 1329 + r.getConfiguration() + " appScale=" 1330 + r.getCompatibilityInfo().applicationScale); 1331 } 1332 1333 synchronized (mPackages) { 1334 WeakReference<Resources> wr = mActiveResources.get(key); 1335 Resources existing = wr != null ? wr.get() : null; 1336 if (existing != null && existing.getAssets().isUpToDate()) { 1337 // Someone else already created the resources while we were 1338 // unlocked; go ahead and use theirs. 1339 r.getAssets().close(); 1340 return existing; 1341 } 1342 1343 // XXX need to remove entries when weak references go away 1344 mActiveResources.put(key, new WeakReference<Resources>(r)); 1345 return r; 1346 } 1347 } 1348 1349 /** 1350 * Creates the top level resources for the given package. 1351 */ 1352 Resources getTopLevelResources(String resDir, LoadedApk pkgInfo) { 1353 return getTopLevelResources(resDir, pkgInfo.mCompatibilityInfo); 1354 } 1355 1356 final Handler getHandler() { 1357 return mH; 1358 } 1359 1360 public final LoadedApk getPackageInfo(String packageName, CompatibilityInfo compatInfo, 1361 int flags) { 1362 synchronized (mPackages) { 1363 WeakReference<LoadedApk> ref; 1364 if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) { 1365 ref = mPackages.get(packageName); 1366 } else { 1367 ref = mResourcePackages.get(packageName); 1368 } 1369 LoadedApk packageInfo = ref != null ? ref.get() : null; 1370 //Slog.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo); 1371 //if (packageInfo != null) Slog.i(TAG, "isUptoDate " + packageInfo.mResDir 1372 // + ": " + packageInfo.mResources.getAssets().isUpToDate()); 1373 if (packageInfo != null && (packageInfo.mResources == null 1374 || packageInfo.mResources.getAssets().isUpToDate())) { 1375 if (packageInfo.isSecurityViolation() 1376 && (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) { 1377 throw new SecurityException( 1378 "Requesting code from " + packageName 1379 + " to be run in process " 1380 + mBoundApplication.processName 1381 + "/" + mBoundApplication.appInfo.uid); 1382 } 1383 return packageInfo; 1384 } 1385 } 1386 1387 ApplicationInfo ai = null; 1388 try { 1389 ai = getPackageManager().getApplicationInfo(packageName, 1390 PackageManager.GET_SHARED_LIBRARY_FILES); 1391 } catch (RemoteException e) { 1392 } 1393 1394 if (ai != null) { 1395 return getPackageInfo(ai, compatInfo, flags); 1396 } 1397 1398 return null; 1399 } 1400 1401 public final LoadedApk getPackageInfo(ApplicationInfo ai, CompatibilityInfo compatInfo, 1402 int flags) { 1403 boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0; 1404 boolean securityViolation = includeCode && ai.uid != 0 1405 && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null 1406 ? ai.uid != mBoundApplication.appInfo.uid : true); 1407 if ((flags&(Context.CONTEXT_INCLUDE_CODE 1408 |Context.CONTEXT_IGNORE_SECURITY)) 1409 == Context.CONTEXT_INCLUDE_CODE) { 1410 if (securityViolation) { 1411 String msg = "Requesting code from " + ai.packageName 1412 + " (with uid " + ai.uid + ")"; 1413 if (mBoundApplication != null) { 1414 msg = msg + " to be run in process " 1415 + mBoundApplication.processName + " (with uid " 1416 + mBoundApplication.appInfo.uid + ")"; 1417 } 1418 throw new SecurityException(msg); 1419 } 1420 } 1421 return getPackageInfo(ai, compatInfo, null, securityViolation, includeCode); 1422 } 1423 1424 public final LoadedApk getPackageInfoNoCheck(ApplicationInfo ai, 1425 CompatibilityInfo compatInfo) { 1426 return getPackageInfo(ai, compatInfo, null, false, true); 1427 } 1428 1429 public final LoadedApk peekPackageInfo(String packageName, boolean includeCode) { 1430 synchronized (mPackages) { 1431 WeakReference<LoadedApk> ref; 1432 if (includeCode) { 1433 ref = mPackages.get(packageName); 1434 } else { 1435 ref = mResourcePackages.get(packageName); 1436 } 1437 return ref != null ? ref.get() : null; 1438 } 1439 } 1440 1441 private final LoadedApk getPackageInfo(ApplicationInfo aInfo, CompatibilityInfo compatInfo, 1442 ClassLoader baseLoader, boolean securityViolation, boolean includeCode) { 1443 synchronized (mPackages) { 1444 WeakReference<LoadedApk> ref; 1445 if (includeCode) { 1446 ref = mPackages.get(aInfo.packageName); 1447 } else { 1448 ref = mResourcePackages.get(aInfo.packageName); 1449 } 1450 LoadedApk packageInfo = ref != null ? ref.get() : null; 1451 if (packageInfo == null || (packageInfo.mResources != null 1452 && !packageInfo.mResources.getAssets().isUpToDate())) { 1453 if (localLOGV) Slog.v(TAG, (includeCode ? "Loading code package " 1454 : "Loading resource-only package ") + aInfo.packageName 1455 + " (in " + (mBoundApplication != null 1456 ? mBoundApplication.processName : null) 1457 + ")"); 1458 packageInfo = 1459 new LoadedApk(this, aInfo, compatInfo, this, baseLoader, 1460 securityViolation, includeCode && 1461 (aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0); 1462 if (includeCode) { 1463 mPackages.put(aInfo.packageName, 1464 new WeakReference<LoadedApk>(packageInfo)); 1465 } else { 1466 mResourcePackages.put(aInfo.packageName, 1467 new WeakReference<LoadedApk>(packageInfo)); 1468 } 1469 } 1470 return packageInfo; 1471 } 1472 } 1473 1474 ActivityThread() { 1475 } 1476 1477 public ApplicationThread getApplicationThread() 1478 { 1479 return mAppThread; 1480 } 1481 1482 public Instrumentation getInstrumentation() 1483 { 1484 return mInstrumentation; 1485 } 1486 1487 public Configuration getConfiguration() { 1488 return mResConfiguration; 1489 } 1490 1491 public boolean isProfiling() { 1492 return mBoundApplication != null && mBoundApplication.profileFile != null; 1493 } 1494 1495 public String getProfileFilePath() { 1496 return mBoundApplication.profileFile; 1497 } 1498 1499 public Looper getLooper() { 1500 return mLooper; 1501 } 1502 1503 public Application getApplication() { 1504 return mInitialApplication; 1505 } 1506 1507 public String getProcessName() { 1508 return mBoundApplication.processName; 1509 } 1510 1511 public ContextImpl getSystemContext() { 1512 synchronized (this) { 1513 if (mSystemContext == null) { 1514 ContextImpl context = 1515 ContextImpl.createSystemContext(this); 1516 LoadedApk info = new LoadedApk(this, "android", context, null, 1517 CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO); 1518 context.init(info, null, this); 1519 context.getResources().updateConfiguration( 1520 getConfiguration(), getDisplayMetricsLocked(false)); 1521 mSystemContext = context; 1522 //Slog.i(TAG, "Created system resources " + context.getResources() 1523 // + ": " + context.getResources().getConfiguration()); 1524 } 1525 } 1526 return mSystemContext; 1527 } 1528 1529 public void installSystemApplicationInfo(ApplicationInfo info) { 1530 synchronized (this) { 1531 ContextImpl context = getSystemContext(); 1532 context.init(new LoadedApk(this, "android", context, info, 1533 CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO), null, this); 1534 } 1535 } 1536 1537 void ensureJitEnabled() { 1538 if (!mJitEnabled) { 1539 mJitEnabled = true; 1540 dalvik.system.VMRuntime.getRuntime().startJitCompilation(); 1541 } 1542 } 1543 1544 void scheduleGcIdler() { 1545 if (!mGcIdlerScheduled) { 1546 mGcIdlerScheduled = true; 1547 Looper.myQueue().addIdleHandler(mGcIdler); 1548 } 1549 mH.removeMessages(H.GC_WHEN_IDLE); 1550 } 1551 1552 void unscheduleGcIdler() { 1553 if (mGcIdlerScheduled) { 1554 mGcIdlerScheduled = false; 1555 Looper.myQueue().removeIdleHandler(mGcIdler); 1556 } 1557 mH.removeMessages(H.GC_WHEN_IDLE); 1558 } 1559 1560 void doGcIfNeeded() { 1561 mGcIdlerScheduled = false; 1562 final long now = SystemClock.uptimeMillis(); 1563 //Slog.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime() 1564 // + "m now=" + now); 1565 if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) { 1566 //Slog.i(TAG, "**** WE DO, WE DO WANT TO GC!"); 1567 BinderInternal.forceGc("bg"); 1568 } 1569 } 1570 1571 public void registerOnActivityPausedListener(Activity activity, 1572 OnActivityPausedListener listener) { 1573 synchronized (mOnPauseListeners) { 1574 ArrayList<OnActivityPausedListener> list = mOnPauseListeners.get(activity); 1575 if (list == null) { 1576 list = new ArrayList<OnActivityPausedListener>(); 1577 mOnPauseListeners.put(activity, list); 1578 } 1579 list.add(listener); 1580 } 1581 } 1582 1583 public void unregisterOnActivityPausedListener(Activity activity, 1584 OnActivityPausedListener listener) { 1585 synchronized (mOnPauseListeners) { 1586 ArrayList<OnActivityPausedListener> list = mOnPauseListeners.get(activity); 1587 if (list != null) { 1588 list.remove(listener); 1589 } 1590 } 1591 } 1592 1593 public final ActivityInfo resolveActivityInfo(Intent intent) { 1594 ActivityInfo aInfo = intent.resolveActivityInfo( 1595 mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES); 1596 if (aInfo == null) { 1597 // Throw an exception. 1598 Instrumentation.checkStartActivityResult( 1599 IActivityManager.START_CLASS_NOT_FOUND, intent); 1600 } 1601 return aInfo; 1602 } 1603 1604 public final Activity startActivityNow(Activity parent, String id, 1605 Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state, 1606 Activity.NonConfigurationInstances lastNonConfigurationInstances) { 1607 ActivityClientRecord r = new ActivityClientRecord(); 1608 r.token = token; 1609 r.ident = 0; 1610 r.intent = intent; 1611 r.state = state; 1612 r.parent = parent; 1613 r.embeddedID = id; 1614 r.activityInfo = activityInfo; 1615 r.lastNonConfigurationInstances = lastNonConfigurationInstances; 1616 if (localLOGV) { 1617 ComponentName compname = intent.getComponent(); 1618 String name; 1619 if (compname != null) { 1620 name = compname.toShortString(); 1621 } else { 1622 name = "(Intent " + intent + ").getComponent() returned null"; 1623 } 1624 Slog.v(TAG, "Performing launch: action=" + intent.getAction() 1625 + ", comp=" + name 1626 + ", token=" + token); 1627 } 1628 return performLaunchActivity(r, null); 1629 } 1630 1631 public final Activity getActivity(IBinder token) { 1632 return mActivities.get(token).activity; 1633 } 1634 1635 public final void sendActivityResult( 1636 IBinder token, String id, int requestCode, 1637 int resultCode, Intent data) { 1638 if (DEBUG_RESULTS) Slog.v(TAG, "sendActivityResult: id=" + id 1639 + " req=" + requestCode + " res=" + resultCode + " data=" + data); 1640 ArrayList<ResultInfo> list = new ArrayList<ResultInfo>(); 1641 list.add(new ResultInfo(id, requestCode, resultCode, data)); 1642 mAppThread.scheduleSendResult(token, list); 1643 } 1644 1645 // if the thread hasn't started yet, we don't have the handler, so just 1646 // save the messages until we're ready. 1647 private final void queueOrSendMessage(int what, Object obj) { 1648 queueOrSendMessage(what, obj, 0, 0); 1649 } 1650 1651 private final void queueOrSendMessage(int what, Object obj, int arg1) { 1652 queueOrSendMessage(what, obj, arg1, 0); 1653 } 1654 1655 private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) { 1656 synchronized (this) { 1657 if (DEBUG_MESSAGES) Slog.v( 1658 TAG, "SCHEDULE " + what + " " + mH.codeToString(what) 1659 + ": " + arg1 + " / " + obj); 1660 Message msg = Message.obtain(); 1661 msg.what = what; 1662 msg.obj = obj; 1663 msg.arg1 = arg1; 1664 msg.arg2 = arg2; 1665 mH.sendMessage(msg); 1666 } 1667 } 1668 1669 final void scheduleContextCleanup(ContextImpl context, String who, 1670 String what) { 1671 ContextCleanupInfo cci = new ContextCleanupInfo(); 1672 cci.context = context; 1673 cci.who = who; 1674 cci.what = what; 1675 queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci); 1676 } 1677 1678 private final Activity performLaunchActivity(ActivityClientRecord r, Intent customIntent) { 1679 // System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")"); 1680 1681 ActivityInfo aInfo = r.activityInfo; 1682 if (r.packageInfo == null) { 1683 r.packageInfo = getPackageInfo(aInfo.applicationInfo, r.compatInfo, 1684 Context.CONTEXT_INCLUDE_CODE); 1685 } 1686 1687 ComponentName component = r.intent.getComponent(); 1688 if (component == null) { 1689 component = r.intent.resolveActivity( 1690 mInitialApplication.getPackageManager()); 1691 r.intent.setComponent(component); 1692 } 1693 1694 if (r.activityInfo.targetActivity != null) { 1695 component = new ComponentName(r.activityInfo.packageName, 1696 r.activityInfo.targetActivity); 1697 } 1698 1699 Activity activity = null; 1700 try { 1701 java.lang.ClassLoader cl = r.packageInfo.getClassLoader(); 1702 activity = mInstrumentation.newActivity( 1703 cl, component.getClassName(), r.intent); 1704 StrictMode.incrementExpectedActivityCount(activity.getClass()); 1705 r.intent.setExtrasClassLoader(cl); 1706 if (r.state != null) { 1707 r.state.setClassLoader(cl); 1708 } 1709 } catch (Exception e) { 1710 if (!mInstrumentation.onException(activity, e)) { 1711 throw new RuntimeException( 1712 "Unable to instantiate activity " + component 1713 + ": " + e.toString(), e); 1714 } 1715 } 1716 1717 try { 1718 Application app = r.packageInfo.makeApplication(false, mInstrumentation); 1719 1720 if (localLOGV) Slog.v(TAG, "Performing launch of " + r); 1721 if (localLOGV) Slog.v( 1722 TAG, r + ": app=" + app 1723 + ", appName=" + app.getPackageName() 1724 + ", pkg=" + r.packageInfo.getPackageName() 1725 + ", comp=" + r.intent.getComponent().toShortString() 1726 + ", dir=" + r.packageInfo.getAppDir()); 1727 1728 if (activity != null) { 1729 ContextImpl appContext = new ContextImpl(); 1730 appContext.init(r.packageInfo, r.token, this); 1731 appContext.setOuterContext(activity); 1732 CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager()); 1733 Configuration config = new Configuration(mConfiguration); 1734 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Launching activity " 1735 + r.activityInfo.name + " with config " + config); 1736 activity.attach(appContext, this, getInstrumentation(), r.token, 1737 r.ident, app, r.intent, r.activityInfo, title, r.parent, 1738 r.embeddedID, r.lastNonConfigurationInstances, config); 1739 1740 if (customIntent != null) { 1741 activity.mIntent = customIntent; 1742 } 1743 r.lastNonConfigurationInstances = null; 1744 activity.mStartedActivity = false; 1745 int theme = r.activityInfo.getThemeResource(); 1746 if (theme != 0) { 1747 activity.setTheme(theme); 1748 } 1749 1750 activity.mCalled = false; 1751 mInstrumentation.callActivityOnCreate(activity, r.state); 1752 if (!activity.mCalled) { 1753 throw new SuperNotCalledException( 1754 "Activity " + r.intent.getComponent().toShortString() + 1755 " did not call through to super.onCreate()"); 1756 } 1757 r.activity = activity; 1758 r.stopped = true; 1759 if (!r.activity.mFinished) { 1760 activity.performStart(); 1761 r.stopped = false; 1762 } 1763 if (!r.activity.mFinished) { 1764 if (r.state != null) { 1765 mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state); 1766 } 1767 } 1768 if (!r.activity.mFinished) { 1769 activity.mCalled = false; 1770 mInstrumentation.callActivityOnPostCreate(activity, r.state); 1771 if (!activity.mCalled) { 1772 throw new SuperNotCalledException( 1773 "Activity " + r.intent.getComponent().toShortString() + 1774 " did not call through to super.onPostCreate()"); 1775 } 1776 } 1777 } 1778 r.paused = true; 1779 1780 mActivities.put(r.token, r); 1781 1782 } catch (SuperNotCalledException e) { 1783 throw e; 1784 1785 } catch (Exception e) { 1786 if (!mInstrumentation.onException(activity, e)) { 1787 throw new RuntimeException( 1788 "Unable to start activity " + component 1789 + ": " + e.toString(), e); 1790 } 1791 } 1792 1793 return activity; 1794 } 1795 1796 private final void handleLaunchActivity(ActivityClientRecord r, Intent customIntent) { 1797 // If we are getting ready to gc after going to the background, well 1798 // we are back active so skip it. 1799 unscheduleGcIdler(); 1800 1801 if (localLOGV) Slog.v( 1802 TAG, "Handling launch of " + r); 1803 Activity a = performLaunchActivity(r, customIntent); 1804 1805 if (a != null) { 1806 r.createdConfig = new Configuration(mConfiguration); 1807 Bundle oldState = r.state; 1808 handleResumeActivity(r.token, false, r.isForward); 1809 1810 if (!r.activity.mFinished && r.startsNotResumed) { 1811 // The activity manager actually wants this one to start out 1812 // paused, because it needs to be visible but isn't in the 1813 // foreground. We accomplish this by going through the 1814 // normal startup (because activities expect to go through 1815 // onResume() the first time they run, before their window 1816 // is displayed), and then pausing it. However, in this case 1817 // we do -not- need to do the full pause cycle (of freezing 1818 // and such) because the activity manager assumes it can just 1819 // retain the current state it has. 1820 try { 1821 r.activity.mCalled = false; 1822 mInstrumentation.callActivityOnPause(r.activity); 1823 // We need to keep around the original state, in case 1824 // we need to be created again. 1825 r.state = oldState; 1826 if (!r.activity.mCalled) { 1827 throw new SuperNotCalledException( 1828 "Activity " + r.intent.getComponent().toShortString() + 1829 " did not call through to super.onPause()"); 1830 } 1831 1832 } catch (SuperNotCalledException e) { 1833 throw e; 1834 1835 } catch (Exception e) { 1836 if (!mInstrumentation.onException(r.activity, e)) { 1837 throw new RuntimeException( 1838 "Unable to pause activity " 1839 + r.intent.getComponent().toShortString() 1840 + ": " + e.toString(), e); 1841 } 1842 } 1843 r.paused = true; 1844 } 1845 } else { 1846 // If there was an error, for any reason, tell the activity 1847 // manager to stop us. 1848 try { 1849 ActivityManagerNative.getDefault() 1850 .finishActivity(r.token, Activity.RESULT_CANCELED, null); 1851 } catch (RemoteException ex) { 1852 } 1853 } 1854 } 1855 1856 private final void deliverNewIntents(ActivityClientRecord r, 1857 List<Intent> intents) { 1858 final int N = intents.size(); 1859 for (int i=0; i<N; i++) { 1860 Intent intent = intents.get(i); 1861 intent.setExtrasClassLoader(r.activity.getClassLoader()); 1862 r.activity.mFragments.noteStateNotSaved(); 1863 mInstrumentation.callActivityOnNewIntent(r.activity, intent); 1864 } 1865 } 1866 1867 public final void performNewIntents(IBinder token, 1868 List<Intent> intents) { 1869 ActivityClientRecord r = mActivities.get(token); 1870 if (r != null) { 1871 final boolean resumed = !r.paused; 1872 if (resumed) { 1873 r.activity.mTemporaryPause = true; 1874 mInstrumentation.callActivityOnPause(r.activity); 1875 } 1876 deliverNewIntents(r, intents); 1877 if (resumed) { 1878 mInstrumentation.callActivityOnResume(r.activity); 1879 r.activity.mTemporaryPause = false; 1880 } 1881 } 1882 } 1883 1884 private final void handleNewIntent(NewIntentData data) { 1885 performNewIntents(data.token, data.intents); 1886 } 1887 1888 private static final ThreadLocal<Intent> sCurrentBroadcastIntent = new ThreadLocal<Intent>(); 1889 1890 /** 1891 * Return the Intent that's currently being handled by a 1892 * BroadcastReceiver on this thread, or null if none. 1893 * @hide 1894 */ 1895 public static Intent getIntentBeingBroadcast() { 1896 return sCurrentBroadcastIntent.get(); 1897 } 1898 1899 private final void handleReceiver(ReceiverData data) { 1900 // If we are getting ready to gc after going to the background, well 1901 // we are back active so skip it. 1902 unscheduleGcIdler(); 1903 1904 String component = data.intent.getComponent().getClassName(); 1905 1906 LoadedApk packageInfo = getPackageInfoNoCheck( 1907 data.info.applicationInfo, data.compatInfo); 1908 1909 IActivityManager mgr = ActivityManagerNative.getDefault(); 1910 1911 BroadcastReceiver receiver = null; 1912 try { 1913 java.lang.ClassLoader cl = packageInfo.getClassLoader(); 1914 data.intent.setExtrasClassLoader(cl); 1915 data.setExtrasClassLoader(cl); 1916 receiver = (BroadcastReceiver)cl.loadClass(component).newInstance(); 1917 } catch (Exception e) { 1918 if (DEBUG_BROADCAST) Slog.i(TAG, 1919 "Finishing failed broadcast to " + data.intent.getComponent()); 1920 data.sendFinished(mgr); 1921 throw new RuntimeException( 1922 "Unable to instantiate receiver " + component 1923 + ": " + e.toString(), e); 1924 } 1925 1926 try { 1927 Application app = packageInfo.makeApplication(false, mInstrumentation); 1928 1929 if (localLOGV) Slog.v( 1930 TAG, "Performing receive of " + data.intent 1931 + ": app=" + app 1932 + ", appName=" + app.getPackageName() 1933 + ", pkg=" + packageInfo.getPackageName() 1934 + ", comp=" + data.intent.getComponent().toShortString() 1935 + ", dir=" + packageInfo.getAppDir()); 1936 1937 ContextImpl context = (ContextImpl)app.getBaseContext(); 1938 sCurrentBroadcastIntent.set(data.intent); 1939 receiver.setPendingResult(data); 1940 receiver.onReceive(context.getReceiverRestrictedContext(), 1941 data.intent); 1942 } catch (Exception e) { 1943 if (DEBUG_BROADCAST) Slog.i(TAG, 1944 "Finishing failed broadcast to " + data.intent.getComponent()); 1945 data.sendFinished(mgr); 1946 if (!mInstrumentation.onException(receiver, e)) { 1947 throw new RuntimeException( 1948 "Unable to start receiver " + component 1949 + ": " + e.toString(), e); 1950 } 1951 } finally { 1952 sCurrentBroadcastIntent.set(null); 1953 } 1954 1955 if (receiver.getPendingResult() != null) { 1956 data.finish(); 1957 } 1958 } 1959 1960 // Instantiate a BackupAgent and tell it that it's alive 1961 private final void handleCreateBackupAgent(CreateBackupAgentData data) { 1962 if (DEBUG_BACKUP) Slog.v(TAG, "handleCreateBackupAgent: " + data); 1963 1964 // no longer idle; we have backup work to do 1965 unscheduleGcIdler(); 1966 1967 // instantiate the BackupAgent class named in the manifest 1968 LoadedApk packageInfo = getPackageInfoNoCheck(data.appInfo, data.compatInfo); 1969 String packageName = packageInfo.mPackageName; 1970 if (mBackupAgents.get(packageName) != null) { 1971 Slog.d(TAG, "BackupAgent " + " for " + packageName 1972 + " already exists"); 1973 return; 1974 } 1975 1976 BackupAgent agent = null; 1977 String classname = data.appInfo.backupAgentName; 1978 if (classname == null) { 1979 if (data.backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) { 1980 Slog.e(TAG, "Attempted incremental backup but no defined agent for " 1981 + packageName); 1982 return; 1983 } 1984 classname = "android.app.FullBackupAgent"; 1985 } 1986 try { 1987 IBinder binder = null; 1988 try { 1989 java.lang.ClassLoader cl = packageInfo.getClassLoader(); 1990 agent = (BackupAgent) cl.loadClass(data.appInfo.backupAgentName).newInstance(); 1991 1992 // set up the agent's context 1993 if (DEBUG_BACKUP) Slog.v(TAG, "Initializing BackupAgent " 1994 + data.appInfo.backupAgentName); 1995 1996 ContextImpl context = new ContextImpl(); 1997 context.init(packageInfo, null, this); 1998 context.setOuterContext(agent); 1999 agent.attach(context); 2000 2001 agent.onCreate(); 2002 binder = agent.onBind(); 2003 mBackupAgents.put(packageName, agent); 2004 } catch (Exception e) { 2005 // If this is during restore, fail silently; otherwise go 2006 // ahead and let the user see the crash. 2007 Slog.e(TAG, "Agent threw during creation: " + e); 2008 if (data.backupMode != IApplicationThread.BACKUP_MODE_RESTORE) { 2009 throw e; 2010 } 2011 // falling through with 'binder' still null 2012 } 2013 2014 // tell the OS that we're live now 2015 try { 2016 ActivityManagerNative.getDefault().backupAgentCreated(packageName, binder); 2017 } catch (RemoteException e) { 2018 // nothing to do. 2019 } 2020 } catch (Exception e) { 2021 throw new RuntimeException("Unable to create BackupAgent " 2022 + data.appInfo.backupAgentName + ": " + e.toString(), e); 2023 } 2024 } 2025 2026 // Tear down a BackupAgent 2027 private final void handleDestroyBackupAgent(CreateBackupAgentData data) { 2028 if (DEBUG_BACKUP) Slog.v(TAG, "handleDestroyBackupAgent: " + data); 2029 2030 LoadedApk packageInfo = getPackageInfoNoCheck(data.appInfo, data.compatInfo); 2031 String packageName = packageInfo.mPackageName; 2032 BackupAgent agent = mBackupAgents.get(packageName); 2033 if (agent != null) { 2034 try { 2035 agent.onDestroy(); 2036 } catch (Exception e) { 2037 Slog.w(TAG, "Exception thrown in onDestroy by backup agent of " + data.appInfo); 2038 e.printStackTrace(); 2039 } 2040 mBackupAgents.remove(packageName); 2041 } else { 2042 Slog.w(TAG, "Attempt to destroy unknown backup agent " + data); 2043 } 2044 } 2045 2046 private final void handleCreateService(CreateServiceData data) { 2047 // If we are getting ready to gc after going to the background, well 2048 // we are back active so skip it. 2049 unscheduleGcIdler(); 2050 2051 LoadedApk packageInfo = getPackageInfoNoCheck( 2052 data.info.applicationInfo, data.compatInfo); 2053 Service service = null; 2054 try { 2055 java.lang.ClassLoader cl = packageInfo.getClassLoader(); 2056 service = (Service) cl.loadClass(data.info.name).newInstance(); 2057 } catch (Exception e) { 2058 if (!mInstrumentation.onException(service, e)) { 2059 throw new RuntimeException( 2060 "Unable to instantiate service " + data.info.name 2061 + ": " + e.toString(), e); 2062 } 2063 } 2064 2065 try { 2066 if (localLOGV) Slog.v(TAG, "Creating service " + data.info.name); 2067 2068 ContextImpl context = new ContextImpl(); 2069 context.init(packageInfo, null, this); 2070 2071 Application app = packageInfo.makeApplication(false, mInstrumentation); 2072 context.setOuterContext(service); 2073 service.attach(context, this, data.info.name, data.token, app, 2074 ActivityManagerNative.getDefault()); 2075 service.onCreate(); 2076 mServices.put(data.token, service); 2077 try { 2078 ActivityManagerNative.getDefault().serviceDoneExecuting( 2079 data.token, 0, 0, 0); 2080 } catch (RemoteException e) { 2081 // nothing to do. 2082 } 2083 } catch (Exception e) { 2084 if (!mInstrumentation.onException(service, e)) { 2085 throw new RuntimeException( 2086 "Unable to create service " + data.info.name 2087 + ": " + e.toString(), e); 2088 } 2089 } 2090 } 2091 2092 private final void handleBindService(BindServiceData data) { 2093 Service s = mServices.get(data.token); 2094 if (s != null) { 2095 try { 2096 data.intent.setExtrasClassLoader(s.getClassLoader()); 2097 try { 2098 if (!data.rebind) { 2099 IBinder binder = s.onBind(data.intent); 2100 ActivityManagerNative.getDefault().publishService( 2101 data.token, data.intent, binder); 2102 } else { 2103 s.onRebind(data.intent); 2104 ActivityManagerNative.getDefault().serviceDoneExecuting( 2105 data.token, 0, 0, 0); 2106 } 2107 ensureJitEnabled(); 2108 } catch (RemoteException ex) { 2109 } 2110 } catch (Exception e) { 2111 if (!mInstrumentation.onException(s, e)) { 2112 throw new RuntimeException( 2113 "Unable to bind to service " + s 2114 + " with " + data.intent + ": " + e.toString(), e); 2115 } 2116 } 2117 } 2118 } 2119 2120 private final void handleUnbindService(BindServiceData data) { 2121 Service s = mServices.get(data.token); 2122 if (s != null) { 2123 try { 2124 data.intent.setExtrasClassLoader(s.getClassLoader()); 2125 boolean doRebind = s.onUnbind(data.intent); 2126 try { 2127 if (doRebind) { 2128 ActivityManagerNative.getDefault().unbindFinished( 2129 data.token, data.intent, doRebind); 2130 } else { 2131 ActivityManagerNative.getDefault().serviceDoneExecuting( 2132 data.token, 0, 0, 0); 2133 } 2134 } catch (RemoteException ex) { 2135 } 2136 } catch (Exception e) { 2137 if (!mInstrumentation.onException(s, e)) { 2138 throw new RuntimeException( 2139 "Unable to unbind to service " + s 2140 + " with " + data.intent + ": " + e.toString(), e); 2141 } 2142 } 2143 } 2144 } 2145 2146 private void handleDumpService(DumpComponentInfo info) { 2147 Service s = mServices.get(info.token); 2148 if (s != null) { 2149 PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd.getFileDescriptor())); 2150 s.dump(info.fd.getFileDescriptor(), pw, info.args); 2151 pw.flush(); 2152 try { 2153 info.fd.close(); 2154 } catch (IOException e) { 2155 } 2156 } 2157 } 2158 2159 private void handleDumpActivity(DumpComponentInfo info) { 2160 ActivityClientRecord r = mActivities.get(info.token); 2161 if (r != null && r.activity != null) { 2162 PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd.getFileDescriptor())); 2163 r.activity.dump(info.prefix, info.fd.getFileDescriptor(), pw, info.args); 2164 pw.flush(); 2165 try { 2166 info.fd.close(); 2167 } catch (IOException e) { 2168 } 2169 } 2170 } 2171 2172 private final void handleServiceArgs(ServiceArgsData data) { 2173 Service s = mServices.get(data.token); 2174 if (s != null) { 2175 try { 2176 if (data.args != null) { 2177 data.args.setExtrasClassLoader(s.getClassLoader()); 2178 } 2179 int res = s.onStartCommand(data.args, data.flags, data.startId); 2180 2181 QueuedWork.waitToFinish(); 2182 2183 try { 2184 ActivityManagerNative.getDefault().serviceDoneExecuting( 2185 data.token, 1, data.startId, res); 2186 } catch (RemoteException e) { 2187 // nothing to do. 2188 } 2189 ensureJitEnabled(); 2190 } catch (Exception e) { 2191 if (!mInstrumentation.onException(s, e)) { 2192 throw new RuntimeException( 2193 "Unable to start service " + s 2194 + " with " + data.args + ": " + e.toString(), e); 2195 } 2196 } 2197 } 2198 } 2199 2200 private final void handleStopService(IBinder token) { 2201 Service s = mServices.remove(token); 2202 if (s != null) { 2203 try { 2204 if (localLOGV) Slog.v(TAG, "Destroying service " + s); 2205 s.onDestroy(); 2206 Context context = s.getBaseContext(); 2207 if (context instanceof ContextImpl) { 2208 final String who = s.getClassName(); 2209 ((ContextImpl) context).scheduleFinalCleanup(who, "Service"); 2210 } 2211 2212 QueuedWork.waitToFinish(); 2213 2214 try { 2215 ActivityManagerNative.getDefault().serviceDoneExecuting( 2216 token, 0, 0, 0); 2217 } catch (RemoteException e) { 2218 // nothing to do. 2219 } 2220 } catch (Exception e) { 2221 if (!mInstrumentation.onException(s, e)) { 2222 throw new RuntimeException( 2223 "Unable to stop service " + s 2224 + ": " + e.toString(), e); 2225 } 2226 } 2227 } 2228 //Slog.i(TAG, "Running services: " + mServices); 2229 } 2230 2231 public final ActivityClientRecord performResumeActivity(IBinder token, 2232 boolean clearHide) { 2233 ActivityClientRecord r = mActivities.get(token); 2234 if (localLOGV) Slog.v(TAG, "Performing resume of " + r 2235 + " finished=" + r.activity.mFinished); 2236 if (r != null && !r.activity.mFinished) { 2237 if (clearHide) { 2238 r.hideForNow = false; 2239 r.activity.mStartedActivity = false; 2240 } 2241 try { 2242 if (r.pendingIntents != null) { 2243 deliverNewIntents(r, r.pendingIntents); 2244 r.pendingIntents = null; 2245 } 2246 if (r.pendingResults != null) { 2247 deliverResults(r, r.pendingResults); 2248 r.pendingResults = null; 2249 } 2250 r.activity.performResume(); 2251 2252 EventLog.writeEvent(LOG_ON_RESUME_CALLED, 2253 r.activity.getComponentName().getClassName()); 2254 2255 r.paused = false; 2256 r.stopped = false; 2257 r.state = null; 2258 } catch (Exception e) { 2259 if (!mInstrumentation.onException(r.activity, e)) { 2260 throw new RuntimeException( 2261 "Unable to resume activity " 2262 + r.intent.getComponent().toShortString() 2263 + ": " + e.toString(), e); 2264 } 2265 } 2266 } 2267 return r; 2268 } 2269 2270 final void cleanUpPendingRemoveWindows(ActivityClientRecord r) { 2271 if (r.mPendingRemoveWindow != null) { 2272 r.mPendingRemoveWindowManager.removeViewImmediate(r.mPendingRemoveWindow); 2273 IBinder wtoken = r.mPendingRemoveWindow.getWindowToken(); 2274 if (wtoken != null) { 2275 WindowManagerImpl.getDefault().closeAll(wtoken, 2276 r.activity.getClass().getName(), "Activity"); 2277 } 2278 } 2279 r.mPendingRemoveWindow = null; 2280 r.mPendingRemoveWindowManager = null; 2281 } 2282 2283 final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) { 2284 // If we are getting ready to gc after going to the background, well 2285 // we are back active so skip it. 2286 unscheduleGcIdler(); 2287 2288 ActivityClientRecord r = performResumeActivity(token, clearHide); 2289 2290 if (r != null) { 2291 final Activity a = r.activity; 2292 2293 if (localLOGV) Slog.v( 2294 TAG, "Resume " + r + " started activity: " + 2295 a.mStartedActivity + ", hideForNow: " + r.hideForNow 2296 + ", finished: " + a.mFinished); 2297 2298 final int forwardBit = isForward ? 2299 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0; 2300 2301 // If the window hasn't yet been added to the window manager, 2302 // and this guy didn't finish itself or start another activity, 2303 // then go ahead and add the window. 2304 boolean willBeVisible = !a.mStartedActivity; 2305 if (!willBeVisible) { 2306 try { 2307 willBeVisible = ActivityManagerNative.getDefault().willActivityBeVisible( 2308 a.getActivityToken()); 2309 } catch (RemoteException e) { 2310 } 2311 } 2312 if (r.window == null && !a.mFinished && willBeVisible) { 2313 r.window = r.activity.getWindow(); 2314 View decor = r.window.getDecorView(); 2315 decor.setVisibility(View.INVISIBLE); 2316 ViewManager wm = a.getWindowManager(); 2317 WindowManager.LayoutParams l = r.window.getAttributes(); 2318 a.mDecor = decor; 2319 l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION; 2320 l.softInputMode |= forwardBit; 2321 if (a.mVisibleFromClient) { 2322 a.mWindowAdded = true; 2323 wm.addView(decor, l); 2324 } 2325 2326 // If the window has already been added, but during resume 2327 // we started another activity, then don't yet make the 2328 // window visible. 2329 } else if (!willBeVisible) { 2330 if (localLOGV) Slog.v( 2331 TAG, "Launch " + r + " mStartedActivity set"); 2332 r.hideForNow = true; 2333 } 2334 2335 // Get rid of anything left hanging around. 2336 cleanUpPendingRemoveWindows(r); 2337 2338 // The window is now visible if it has been added, we are not 2339 // simply finishing, and we are not starting another activity. 2340 if (!r.activity.mFinished && willBeVisible 2341 && r.activity.mDecor != null && !r.hideForNow) { 2342 if (r.newConfig != null) { 2343 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Resuming activity " 2344 + r.activityInfo.name + " with newConfig " + r.newConfig); 2345 performConfigurationChanged(r.activity, r.newConfig); 2346 r.newConfig = null; 2347 } 2348 if (localLOGV) Slog.v(TAG, "Resuming " + r + " with isForward=" 2349 + isForward); 2350 WindowManager.LayoutParams l = r.window.getAttributes(); 2351 if ((l.softInputMode 2352 & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) 2353 != forwardBit) { 2354 l.softInputMode = (l.softInputMode 2355 & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)) 2356 | forwardBit; 2357 if (r.activity.mVisibleFromClient) { 2358 ViewManager wm = a.getWindowManager(); 2359 View decor = r.window.getDecorView(); 2360 wm.updateViewLayout(decor, l); 2361 } 2362 } 2363 r.activity.mVisibleFromServer = true; 2364 mNumVisibleActivities++; 2365 if (r.activity.mVisibleFromClient) { 2366 r.activity.makeVisible(); 2367 } 2368 } 2369 2370 if (!r.onlyLocalRequest) { 2371 r.nextIdle = mNewActivities; 2372 mNewActivities = r; 2373 if (localLOGV) Slog.v( 2374 TAG, "Scheduling idle handler for " + r); 2375 Looper.myQueue().addIdleHandler(new Idler()); 2376 } 2377 r.onlyLocalRequest = false; 2378 2379 } else { 2380 // If an exception was thrown when trying to resume, then 2381 // just end this activity. 2382 try { 2383 ActivityManagerNative.getDefault() 2384 .finishActivity(token, Activity.RESULT_CANCELED, null); 2385 } catch (RemoteException ex) { 2386 } 2387 } 2388 } 2389 2390 private int mThumbnailWidth = -1; 2391 private int mThumbnailHeight = -1; 2392 private Bitmap mAvailThumbnailBitmap = null; 2393 private Canvas mThumbnailCanvas = null; 2394 2395 private final Bitmap createThumbnailBitmap(ActivityClientRecord r) { 2396 Bitmap thumbnail = mAvailThumbnailBitmap; 2397 try { 2398 if (thumbnail == null) { 2399 int w = mThumbnailWidth; 2400 int h; 2401 if (w < 0) { 2402 Resources res = r.activity.getResources(); 2403 mThumbnailHeight = h = 2404 res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height); 2405 2406 mThumbnailWidth = w = 2407 res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width); 2408 } else { 2409 h = mThumbnailHeight; 2410 } 2411 2412 // On platforms where we don't want thumbnails, set dims to (0,0) 2413 if ((w > 0) && (h > 0)) { 2414 thumbnail = Bitmap.createBitmap(w, h, THUMBNAIL_FORMAT); 2415 thumbnail.eraseColor(0); 2416 } 2417 } 2418 2419 if (thumbnail != null) { 2420 Canvas cv = mThumbnailCanvas; 2421 if (cv == null) { 2422 mThumbnailCanvas = cv = new Canvas(); 2423 } 2424 2425 cv.setBitmap(thumbnail); 2426 if (!r.activity.onCreateThumbnail(thumbnail, cv)) { 2427 mAvailThumbnailBitmap = thumbnail; 2428 thumbnail = null; 2429 } 2430 } 2431 2432 } catch (Exception e) { 2433 if (!mInstrumentation.onException(r.activity, e)) { 2434 throw new RuntimeException( 2435 "Unable to create thumbnail of " 2436 + r.intent.getComponent().toShortString() 2437 + ": " + e.toString(), e); 2438 } 2439 thumbnail = null; 2440 } 2441 2442 return thumbnail; 2443 } 2444 2445 private final void handlePauseActivity(IBinder token, boolean finished, 2446 boolean userLeaving, int configChanges) { 2447 ActivityClientRecord r = mActivities.get(token); 2448 if (r != null) { 2449 //Slog.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r); 2450 if (userLeaving) { 2451 performUserLeavingActivity(r); 2452 } 2453 2454 r.activity.mConfigChangeFlags |= configChanges; 2455 performPauseActivity(token, finished, r.isPreHoneycomb()); 2456 2457 // Make sure any pending writes are now committed. 2458 if (r.isPreHoneycomb()) { 2459 QueuedWork.waitToFinish(); 2460 } 2461 2462 // Tell the activity manager we have paused. 2463 try { 2464 ActivityManagerNative.getDefault().activityPaused(token); 2465 } catch (RemoteException ex) { 2466 } 2467 } 2468 } 2469 2470 final void performUserLeavingActivity(ActivityClientRecord r) { 2471 mInstrumentation.callActivityOnUserLeaving(r.activity); 2472 } 2473 2474 final Bundle performPauseActivity(IBinder token, boolean finished, 2475 boolean saveState) { 2476 ActivityClientRecord r = mActivities.get(token); 2477 return r != null ? performPauseActivity(r, finished, saveState) : null; 2478 } 2479 2480 final Bundle performPauseActivity(ActivityClientRecord r, boolean finished, 2481 boolean saveState) { 2482 if (r.paused) { 2483 if (r.activity.mFinished) { 2484 // If we are finishing, we won't call onResume() in certain cases. 2485 // So here we likewise don't want to call onPause() if the activity 2486 // isn't resumed. 2487 return null; 2488 } 2489 RuntimeException e = new RuntimeException( 2490 "Performing pause of activity that is not resumed: " 2491 + r.intent.getComponent().toShortString()); 2492 Slog.e(TAG, e.getMessage(), e); 2493 } 2494 Bundle state = null; 2495 if (finished) { 2496 r.activity.mFinished = true; 2497 } 2498 try { 2499 // Next have the activity save its current state and managed dialogs... 2500 if (!r.activity.mFinished && saveState) { 2501 state = new Bundle(); 2502 mInstrumentation.callActivityOnSaveInstanceState(r.activity, state); 2503 r.state = state; 2504 } 2505 // Now we are idle. 2506 r.activity.mCalled = false; 2507 mInstrumentation.callActivityOnPause(r.activity); 2508 EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName()); 2509 if (!r.activity.mCalled) { 2510 throw new SuperNotCalledException( 2511 "Activity " + r.intent.getComponent().toShortString() + 2512 " did not call through to super.onPause()"); 2513 } 2514 2515 } catch (SuperNotCalledException e) { 2516 throw e; 2517 2518 } catch (Exception e) { 2519 if (!mInstrumentation.onException(r.activity, e)) { 2520 throw new RuntimeException( 2521 "Unable to pause activity " 2522 + r.intent.getComponent().toShortString() 2523 + ": " + e.toString(), e); 2524 } 2525 } 2526 r.paused = true; 2527 2528 // Notify any outstanding on paused listeners 2529 ArrayList<OnActivityPausedListener> listeners; 2530 synchronized (mOnPauseListeners) { 2531 listeners = mOnPauseListeners.remove(r.activity); 2532 } 2533 int size = (listeners != null ? listeners.size() : 0); 2534 for (int i = 0; i < size; i++) { 2535 listeners.get(i).onPaused(r.activity); 2536 } 2537 2538 return state; 2539 } 2540 2541 final void performStopActivity(IBinder token, boolean saveState) { 2542 ActivityClientRecord r = mActivities.get(token); 2543 performStopActivityInner(r, null, false, saveState); 2544 } 2545 2546 private static class StopInfo { 2547 Bitmap thumbnail; 2548 CharSequence description; 2549 } 2550 2551 private final class ProviderRefCount { 2552 public int count; 2553 ProviderRefCount(int pCount) { 2554 count = pCount; 2555 } 2556 } 2557 2558 /** 2559 * Core implementation of stopping an activity. Note this is a little 2560 * tricky because the server's meaning of stop is slightly different 2561 * than our client -- for the server, stop means to save state and give 2562 * it the result when it is done, but the window may still be visible. 2563 * For the client, we want to call onStop()/onStart() to indicate when 2564 * the activity's UI visibillity changes. 2565 */ 2566 private final void performStopActivityInner(ActivityClientRecord r, 2567 StopInfo info, boolean keepShown, boolean saveState) { 2568 if (localLOGV) Slog.v(TAG, "Performing stop of " + r); 2569 Bundle state = null; 2570 if (r != null) { 2571 if (!keepShown && r.stopped) { 2572 if (r.activity.mFinished) { 2573 // If we are finishing, we won't call onResume() in certain 2574 // cases. So here we likewise don't want to call onStop() 2575 // if the activity isn't resumed. 2576 return; 2577 } 2578 RuntimeException e = new RuntimeException( 2579 "Performing stop of activity that is not resumed: " 2580 + r.intent.getComponent().toShortString()); 2581 Slog.e(TAG, e.getMessage(), e); 2582 } 2583 2584 if (info != null) { 2585 try { 2586 // First create a thumbnail for the activity... 2587 info.thumbnail = createThumbnailBitmap(r); 2588 info.description = r.activity.onCreateDescription(); 2589 } catch (Exception e) { 2590 if (!mInstrumentation.onException(r.activity, e)) { 2591 throw new RuntimeException( 2592 "Unable to save state of activity " 2593 + r.intent.getComponent().toShortString() 2594 + ": " + e.toString(), e); 2595 } 2596 } 2597 } 2598 2599 // Next have the activity save its current state and managed dialogs... 2600 if (!r.activity.mFinished && saveState) { 2601 if (r.state == null) { 2602 state = new Bundle(); 2603 mInstrumentation.callActivityOnSaveInstanceState(r.activity, state); 2604 r.state = state; 2605 } else { 2606 state = r.state; 2607 } 2608 } 2609 2610 if (!keepShown) { 2611 try { 2612 // Now we are idle. 2613 r.activity.performStop(); 2614 } catch (Exception e) { 2615 if (!mInstrumentation.onException(r.activity, e)) { 2616 throw new RuntimeException( 2617 "Unable to stop activity " 2618 + r.intent.getComponent().toShortString() 2619 + ": " + e.toString(), e); 2620 } 2621 } 2622 r.stopped = true; 2623 } 2624 2625 r.paused = true; 2626 } 2627 } 2628 2629 private final void updateVisibility(ActivityClientRecord r, boolean show) { 2630 View v = r.activity.mDecor; 2631 if (v != null) { 2632 if (show) { 2633 if (!r.activity.mVisibleFromServer) { 2634 r.activity.mVisibleFromServer = true; 2635 mNumVisibleActivities++; 2636 if (r.activity.mVisibleFromClient) { 2637 r.activity.makeVisible(); 2638 } 2639 } 2640 if (r.newConfig != null) { 2641 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Updating activity vis " 2642 + r.activityInfo.name + " with new config " + r.newConfig); 2643 performConfigurationChanged(r.activity, r.newConfig); 2644 r.newConfig = null; 2645 } 2646 } else { 2647 if (r.activity.mVisibleFromServer) { 2648 r.activity.mVisibleFromServer = false; 2649 mNumVisibleActivities--; 2650 v.setVisibility(View.INVISIBLE); 2651 } 2652 } 2653 } 2654 } 2655 2656 private final void handleStopActivity(IBinder token, boolean show, int configChanges) { 2657 ActivityClientRecord r = mActivities.get(token); 2658 r.activity.mConfigChangeFlags |= configChanges; 2659 2660 StopInfo info = new StopInfo(); 2661 performStopActivityInner(r, info, show, true); 2662 2663 if (localLOGV) Slog.v( 2664 TAG, "Finishing stop of " + r + ": show=" + show 2665 + " win=" + r.window); 2666 2667 updateVisibility(r, show); 2668 2669 // Make sure any pending writes are now committed. 2670 if (!r.isPreHoneycomb()) { 2671 QueuedWork.waitToFinish(); 2672 } 2673 2674 // Tell activity manager we have been stopped. 2675 try { 2676 ActivityManagerNative.getDefault().activityStopped( 2677 r.token, r.state, info.thumbnail, info.description); 2678 } catch (RemoteException ex) { 2679 } 2680 } 2681 2682 final void performRestartActivity(IBinder token) { 2683 ActivityClientRecord r = mActivities.get(token); 2684 if (r.stopped) { 2685 r.activity.performRestart(); 2686 r.stopped = false; 2687 } 2688 } 2689 2690 private final void handleWindowVisibility(IBinder token, boolean show) { 2691 ActivityClientRecord r = mActivities.get(token); 2692 2693 if (r == null) { 2694 Log.w(TAG, "handleWindowVisibility: no activity for token " + token); 2695 return; 2696 } 2697 2698 if (!show && !r.stopped) { 2699 performStopActivityInner(r, null, show, false); 2700 } else if (show && r.stopped) { 2701 // If we are getting ready to gc after going to the background, well 2702 // we are back active so skip it. 2703 unscheduleGcIdler(); 2704 2705 r.activity.performRestart(); 2706 r.stopped = false; 2707 } 2708 if (r.activity.mDecor != null) { 2709 if (Config.LOGV) Slog.v( 2710 TAG, "Handle window " + r + " visibility: " + show); 2711 updateVisibility(r, show); 2712 } 2713 } 2714 2715 private final void handleSleeping(IBinder token, boolean sleeping) { 2716 ActivityClientRecord r = mActivities.get(token); 2717 2718 if (r == null) { 2719 Log.w(TAG, "handleSleeping: no activity for token " + token); 2720 return; 2721 } 2722 2723 if (sleeping) { 2724 if (!r.stopped && !r.isPreHoneycomb()) { 2725 try { 2726 // Now we are idle. 2727 r.activity.performStop(); 2728 } catch (Exception e) { 2729 if (!mInstrumentation.onException(r.activity, e)) { 2730 throw new RuntimeException( 2731 "Unable to stop activity " 2732 + r.intent.getComponent().toShortString() 2733 + ": " + e.toString(), e); 2734 } 2735 } 2736 r.stopped = true; 2737 } 2738 2739 // Make sure any pending writes are now committed. 2740 if (!r.isPreHoneycomb()) { 2741 QueuedWork.waitToFinish(); 2742 } 2743 2744 // Tell activity manager we slept. 2745 try { 2746 ActivityManagerNative.getDefault().activitySlept(r.token); 2747 } catch (RemoteException ex) { 2748 } 2749 } else { 2750 if (r.stopped && r.activity.mVisibleFromServer) { 2751 r.activity.performRestart(); 2752 r.stopped = false; 2753 } 2754 } 2755 } 2756 2757 private void handleSetCoreSettings(Bundle coreSettings) { 2758 synchronized (mPackages) { 2759 mCoreSettings = coreSettings; 2760 } 2761 } 2762 2763 private void handleUpdatePackageCompatibilityInfo(UpdateCompatibilityData data) { 2764 LoadedApk apk = peekPackageInfo(data.pkg, false); 2765 if (apk != null) { 2766 apk.mCompatibilityInfo = data.info; 2767 } 2768 apk = peekPackageInfo(data.pkg, true); 2769 if (apk != null) { 2770 apk.mCompatibilityInfo = data.info; 2771 } 2772 handleConfigurationChanged(mConfiguration, data.info); 2773 } 2774 2775 private final void deliverResults(ActivityClientRecord r, List<ResultInfo> results) { 2776 final int N = results.size(); 2777 for (int i=0; i<N; i++) { 2778 ResultInfo ri = results.get(i); 2779 try { 2780 if (ri.mData != null) { 2781 ri.mData.setExtrasClassLoader(r.activity.getClassLoader()); 2782 } 2783 if (DEBUG_RESULTS) Slog.v(TAG, 2784 "Delivering result to activity " + r + " : " + ri); 2785 r.activity.dispatchActivityResult(ri.mResultWho, 2786 ri.mRequestCode, ri.mResultCode, ri.mData); 2787 } catch (Exception e) { 2788 if (!mInstrumentation.onException(r.activity, e)) { 2789 throw new RuntimeException( 2790 "Failure delivering result " + ri + " to activity " 2791 + r.intent.getComponent().toShortString() 2792 + ": " + e.toString(), e); 2793 } 2794 } 2795 } 2796 } 2797 2798 private final void handleSendResult(ResultData res) { 2799 ActivityClientRecord r = mActivities.get(res.token); 2800 if (DEBUG_RESULTS) Slog.v(TAG, "Handling send result to " + r); 2801 if (r != null) { 2802 final boolean resumed = !r.paused; 2803 if (!r.activity.mFinished && r.activity.mDecor != null 2804 && r.hideForNow && resumed) { 2805 // We had hidden the activity because it started another 2806 // one... we have gotten a result back and we are not 2807 // paused, so make sure our window is visible. 2808 updateVisibility(r, true); 2809 } 2810 if (resumed) { 2811 try { 2812 // Now we are idle. 2813 r.activity.mCalled = false; 2814 r.activity.mTemporaryPause = true; 2815 mInstrumentation.callActivityOnPause(r.activity); 2816 if (!r.activity.mCalled) { 2817 throw new SuperNotCalledException( 2818 "Activity " + r.intent.getComponent().toShortString() 2819 + " did not call through to super.onPause()"); 2820 } 2821 } catch (SuperNotCalledException e) { 2822 throw e; 2823 } catch (Exception e) { 2824 if (!mInstrumentation.onException(r.activity, e)) { 2825 throw new RuntimeException( 2826 "Unable to pause activity " 2827 + r.intent.getComponent().toShortString() 2828 + ": " + e.toString(), e); 2829 } 2830 } 2831 } 2832 deliverResults(r, res.results); 2833 if (resumed) { 2834 mInstrumentation.callActivityOnResume(r.activity); 2835 r.activity.mTemporaryPause = false; 2836 } 2837 } 2838 } 2839 2840 public final ActivityClientRecord performDestroyActivity(IBinder token, boolean finishing) { 2841 return performDestroyActivity(token, finishing, 0, false); 2842 } 2843 2844 private final ActivityClientRecord performDestroyActivity(IBinder token, boolean finishing, 2845 int configChanges, boolean getNonConfigInstance) { 2846 ActivityClientRecord r = mActivities.get(token); 2847 Class activityClass = null; 2848 if (localLOGV) Slog.v(TAG, "Performing finish of " + r); 2849 if (r != null) { 2850 activityClass = r.activity.getClass(); 2851 r.activity.mConfigChangeFlags |= configChanges; 2852 if (finishing) { 2853 r.activity.mFinished = true; 2854 } 2855 if (!r.paused) { 2856 try { 2857 r.activity.mCalled = false; 2858 mInstrumentation.callActivityOnPause(r.activity); 2859 EventLog.writeEvent(LOG_ON_PAUSE_CALLED, 2860 r.activity.getComponentName().getClassName()); 2861 if (!r.activity.mCalled) { 2862 throw new SuperNotCalledException( 2863 "Activity " + safeToComponentShortString(r.intent) 2864 + " did not call through to super.onPause()"); 2865 } 2866 } catch (SuperNotCalledException e) { 2867 throw e; 2868 } catch (Exception e) { 2869 if (!mInstrumentation.onException(r.activity, e)) { 2870 throw new RuntimeException( 2871 "Unable to pause activity " 2872 + safeToComponentShortString(r.intent) 2873 + ": " + e.toString(), e); 2874 } 2875 } 2876 r.paused = true; 2877 } 2878 if (!r.stopped) { 2879 try { 2880 r.activity.performStop(); 2881 } catch (SuperNotCalledException e) { 2882 throw e; 2883 } catch (Exception e) { 2884 if (!mInstrumentation.onException(r.activity, e)) { 2885 throw new RuntimeException( 2886 "Unable to stop activity " 2887 + safeToComponentShortString(r.intent) 2888 + ": " + e.toString(), e); 2889 } 2890 } 2891 r.stopped = true; 2892 } 2893 if (getNonConfigInstance) { 2894 try { 2895 r.lastNonConfigurationInstances 2896 = r.activity.retainNonConfigurationInstances(); 2897 } catch (Exception e) { 2898 if (!mInstrumentation.onException(r.activity, e)) { 2899 throw new RuntimeException( 2900 "Unable to retain activity " 2901 + r.intent.getComponent().toShortString() 2902 + ": " + e.toString(), e); 2903 } 2904 } 2905 } 2906 try { 2907 r.activity.mCalled = false; 2908 mInstrumentation.callActivityOnDestroy(r.activity); 2909 if (!r.activity.mCalled) { 2910 throw new SuperNotCalledException( 2911 "Activity " + safeToComponentShortString(r.intent) + 2912 " did not call through to super.onDestroy()"); 2913 } 2914 if (r.window != null) { 2915 r.window.closeAllPanels(); 2916 } 2917 } catch (SuperNotCalledException e) { 2918 throw e; 2919 } catch (Exception e) { 2920 if (!mInstrumentation.onException(r.activity, e)) { 2921 throw new RuntimeException( 2922 "Unable to destroy activity " + safeToComponentShortString(r.intent) 2923 + ": " + e.toString(), e); 2924 } 2925 } 2926 } 2927 mActivities.remove(token); 2928 StrictMode.decrementExpectedActivityCount(activityClass); 2929 return r; 2930 } 2931 2932 private static String safeToComponentShortString(Intent intent) { 2933 ComponentName component = intent.getComponent(); 2934 return component == null ? "[Unknown]" : component.toShortString(); 2935 } 2936 2937 private final void handleDestroyActivity(IBinder token, boolean finishing, 2938 int configChanges, boolean getNonConfigInstance) { 2939 ActivityClientRecord r = performDestroyActivity(token, finishing, 2940 configChanges, getNonConfigInstance); 2941 if (r != null) { 2942 cleanUpPendingRemoveWindows(r); 2943 WindowManager wm = r.activity.getWindowManager(); 2944 View v = r.activity.mDecor; 2945 if (v != null) { 2946 if (r.activity.mVisibleFromServer) { 2947 mNumVisibleActivities--; 2948 } 2949 IBinder wtoken = v.getWindowToken(); 2950 if (r.activity.mWindowAdded) { 2951 if (r.onlyLocalRequest) { 2952 // Hold off on removing this until the new activity's 2953 // window is being added. 2954 r.mPendingRemoveWindow = v; 2955 r.mPendingRemoveWindowManager = wm; 2956 } else { 2957 wm.removeViewImmediate(v); 2958 } 2959 } 2960 if (wtoken != null && r.mPendingRemoveWindow == null) { 2961 WindowManagerImpl.getDefault().closeAll(wtoken, 2962 r.activity.getClass().getName(), "Activity"); 2963 } 2964 r.activity.mDecor = null; 2965 } 2966 if (r.mPendingRemoveWindow == null) { 2967 // If we are delaying the removal of the activity window, then 2968 // we can't clean up all windows here. Note that we can't do 2969 // so later either, which means any windows that aren't closed 2970 // by the app will leak. Well we try to warning them a lot 2971 // about leaking windows, because that is a bug, so if they are 2972 // using this recreate facility then they get to live with leaks. 2973 WindowManagerImpl.getDefault().closeAll(token, 2974 r.activity.getClass().getName(), "Activity"); 2975 } 2976 2977 // Mocked out contexts won't be participating in the normal 2978 // process lifecycle, but if we're running with a proper 2979 // ApplicationContext we need to have it tear down things 2980 // cleanly. 2981 Context c = r.activity.getBaseContext(); 2982 if (c instanceof ContextImpl) { 2983 ((ContextImpl) c).scheduleFinalCleanup( 2984 r.activity.getClass().getName(), "Activity"); 2985 } 2986 } 2987 if (finishing) { 2988 try { 2989 ActivityManagerNative.getDefault().activityDestroyed(token); 2990 } catch (RemoteException ex) { 2991 // If the system process has died, it's game over for everyone. 2992 } 2993 } 2994 } 2995 2996 public final void requestRelaunchActivity(IBinder token, 2997 List<ResultInfo> pendingResults, List<Intent> pendingNewIntents, 2998 int configChanges, boolean notResumed, Configuration config, 2999 boolean fromServer) { 3000 ActivityClientRecord target = null; 3001 3002 synchronized (mPackages) { 3003 for (int i=0; i<mRelaunchingActivities.size(); i++) { 3004 ActivityClientRecord r = mRelaunchingActivities.get(i); 3005 if (r.token == token) { 3006 target = r; 3007 if (pendingResults != null) { 3008 if (r.pendingResults != null) { 3009 r.pendingResults.addAll(pendingResults); 3010 } else { 3011 r.pendingResults = pendingResults; 3012 } 3013 } 3014 if (pendingNewIntents != null) { 3015 if (r.pendingIntents != null) { 3016 r.pendingIntents.addAll(pendingNewIntents); 3017 } else { 3018 r.pendingIntents = pendingNewIntents; 3019 } 3020 } 3021 break; 3022 } 3023 } 3024 3025 if (target == null) { 3026 target = new ActivityClientRecord(); 3027 target.token = token; 3028 target.pendingResults = pendingResults; 3029 target.pendingIntents = pendingNewIntents; 3030 if (!fromServer) { 3031 ActivityClientRecord existing = mActivities.get(token); 3032 if (existing != null) { 3033 target.startsNotResumed = existing.paused; 3034 } 3035 target.onlyLocalRequest = true; 3036 } 3037 mRelaunchingActivities.add(target); 3038 queueOrSendMessage(H.RELAUNCH_ACTIVITY, target); 3039 } 3040 3041 if (fromServer) { 3042 target.startsNotResumed = notResumed; 3043 target.onlyLocalRequest = false; 3044 } 3045 if (config != null) { 3046 target.createdConfig = config; 3047 } 3048 target.pendingConfigChanges |= configChanges; 3049 } 3050 } 3051 3052 private final void handleRelaunchActivity(ActivityClientRecord tmp) { 3053 // If we are getting ready to gc after going to the background, well 3054 // we are back active so skip it. 3055 unscheduleGcIdler(); 3056 3057 Configuration changedConfig = null; 3058 int configChanges = 0; 3059 3060 // First: make sure we have the most recent configuration and most 3061 // recent version of the activity, or skip it if some previous call 3062 // had taken a more recent version. 3063 synchronized (mPackages) { 3064 int N = mRelaunchingActivities.size(); 3065 IBinder token = tmp.token; 3066 tmp = null; 3067 for (int i=0; i<N; i++) { 3068 ActivityClientRecord r = mRelaunchingActivities.get(i); 3069 if (r.token == token) { 3070 tmp = r; 3071 configChanges |= tmp.pendingConfigChanges; 3072 mRelaunchingActivities.remove(i); 3073 i--; 3074 N--; 3075 } 3076 } 3077 3078 if (tmp == null) { 3079 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Abort, activity not relaunching!"); 3080 return; 3081 } 3082 3083 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Relaunching activity " 3084 + tmp.token + " with configChanges=0x" 3085 + Integer.toHexString(configChanges)); 3086 3087 if (mPendingConfiguration != null) { 3088 changedConfig = mPendingConfiguration; 3089 mPendingConfiguration = null; 3090 } 3091 } 3092 3093 if (tmp.createdConfig != null) { 3094 // If the activity manager is passing us its current config, 3095 // assume that is really what we want regardless of what we 3096 // may have pending. 3097 if (mConfiguration == null 3098 || (tmp.createdConfig.isOtherSeqNewer(mConfiguration) 3099 && mConfiguration.diff(tmp.createdConfig) != 0)) { 3100 if (changedConfig == null 3101 || tmp.createdConfig.isOtherSeqNewer(changedConfig)) { 3102 changedConfig = tmp.createdConfig; 3103 } 3104 } 3105 } 3106 3107 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Relaunching activity " 3108 + tmp.token + ": changedConfig=" + changedConfig); 3109 3110 // If there was a pending configuration change, execute it first. 3111 if (changedConfig != null) { 3112 handleConfigurationChanged(changedConfig, null); 3113 } 3114 3115 ActivityClientRecord r = mActivities.get(tmp.token); 3116 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handling relaunch of " + r); 3117 if (r == null) { 3118 return; 3119 } 3120 3121 r.activity.mConfigChangeFlags |= configChanges; 3122 r.onlyLocalRequest = tmp.onlyLocalRequest; 3123 Intent currentIntent = r.activity.mIntent; 3124 3125 r.activity.mChangingConfigurations = true; 3126 3127 // Need to ensure state is saved. 3128 if (!r.paused) { 3129 performPauseActivity(r.token, false, r.isPreHoneycomb()); 3130 } 3131 if (r.state == null && !r.stopped && !r.isPreHoneycomb()) { 3132 r.state = new Bundle(); 3133 mInstrumentation.callActivityOnSaveInstanceState(r.activity, r.state); 3134 } 3135 3136 handleDestroyActivity(r.token, false, configChanges, true); 3137 3138 r.activity = null; 3139 r.window = null; 3140 r.hideForNow = false; 3141 r.nextIdle = null; 3142 // Merge any pending results and pending intents; don't just replace them 3143 if (tmp.pendingResults != null) { 3144 if (r.pendingResults == null) { 3145 r.pendingResults = tmp.pendingResults; 3146 } else { 3147 r.pendingResults.addAll(tmp.pendingResults); 3148 } 3149 } 3150 if (tmp.pendingIntents != null) { 3151 if (r.pendingIntents == null) { 3152 r.pendingIntents = tmp.pendingIntents; 3153 } else { 3154 r.pendingIntents.addAll(tmp.pendingIntents); 3155 } 3156 } 3157 r.startsNotResumed = tmp.startsNotResumed; 3158 3159 handleLaunchActivity(r, currentIntent); 3160 } 3161 3162 private final void handleRequestThumbnail(IBinder token) { 3163 ActivityClientRecord r = mActivities.get(token); 3164 Bitmap thumbnail = createThumbnailBitmap(r); 3165 CharSequence description = null; 3166 try { 3167 description = r.activity.onCreateDescription(); 3168 } catch (Exception e) { 3169 if (!mInstrumentation.onException(r.activity, e)) { 3170 throw new RuntimeException( 3171 "Unable to create description of activity " 3172 + r.intent.getComponent().toShortString() 3173 + ": " + e.toString(), e); 3174 } 3175 } 3176 //System.out.println("Reporting top thumbnail " + thumbnail); 3177 try { 3178 ActivityManagerNative.getDefault().reportThumbnail( 3179 token, thumbnail, description); 3180 } catch (RemoteException ex) { 3181 } 3182 } 3183 3184 ArrayList<ComponentCallbacks> collectComponentCallbacksLocked( 3185 boolean allActivities, Configuration newConfig) { 3186 ArrayList<ComponentCallbacks> callbacks 3187 = new ArrayList<ComponentCallbacks>(); 3188 3189 if (mActivities.size() > 0) { 3190 Iterator<ActivityClientRecord> it = mActivities.values().iterator(); 3191 while (it.hasNext()) { 3192 ActivityClientRecord ar = it.next(); 3193 Activity a = ar.activity; 3194 if (a != null) { 3195 if (!ar.activity.mFinished && (allActivities || 3196 (a != null && !ar.paused))) { 3197 // If the activity is currently resumed, its configuration 3198 // needs to change right now. 3199 callbacks.add(a); 3200 } else if (newConfig != null) { 3201 // Otherwise, we will tell it about the change 3202 // the next time it is resumed or shown. Note that 3203 // the activity manager may, before then, decide the 3204 // activity needs to be destroyed to handle its new 3205 // configuration. 3206 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Setting activity " 3207 + ar.activityInfo.name + " newConfig=" + newConfig); 3208 ar.newConfig = newConfig; 3209 } 3210 } 3211 } 3212 } 3213 if (mServices.size() > 0) { 3214 Iterator<Service> it = mServices.values().iterator(); 3215 while (it.hasNext()) { 3216 callbacks.add(it.next()); 3217 } 3218 } 3219 synchronized (mProviderMap) { 3220 if (mLocalProviders.size() > 0) { 3221 Iterator<ProviderClientRecord> it = mLocalProviders.values().iterator(); 3222 while (it.hasNext()) { 3223 callbacks.add(it.next().mLocalProvider); 3224 } 3225 } 3226 } 3227 final int N = mAllApplications.size(); 3228 for (int i=0; i<N; i++) { 3229 callbacks.add(mAllApplications.get(i)); 3230 } 3231 3232 return callbacks; 3233 } 3234 3235 private final void performConfigurationChanged( 3236 ComponentCallbacks cb, Configuration config) { 3237 // Only for Activity objects, check that they actually call up to their 3238 // superclass implementation. ComponentCallbacks is an interface, so 3239 // we check the runtime type and act accordingly. 3240 Activity activity = (cb instanceof Activity) ? (Activity) cb : null; 3241 if (activity != null) { 3242 activity.mCalled = false; 3243 } 3244 3245 boolean shouldChangeConfig = false; 3246 if ((activity == null) || (activity.mCurrentConfig == null)) { 3247 shouldChangeConfig = true; 3248 } else { 3249 3250 // If the new config is the same as the config this Activity 3251 // is already running with then don't bother calling 3252 // onConfigurationChanged 3253 int diff = activity.mCurrentConfig.diff(config); 3254 if (diff != 0) { 3255 3256 // If this activity doesn't handle any of the config changes 3257 // then don't bother calling onConfigurationChanged as we're 3258 // going to destroy it. 3259 if ((~activity.mActivityInfo.getRealConfigChanged() & diff) == 0) { 3260 shouldChangeConfig = true; 3261 } 3262 } 3263 } 3264 3265 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Config callback " + cb 3266 + ": shouldChangeConfig=" + shouldChangeConfig); 3267 if (shouldChangeConfig) { 3268 cb.onConfigurationChanged(config); 3269 3270 if (activity != null) { 3271 if (!activity.mCalled) { 3272 throw new SuperNotCalledException( 3273 "Activity " + activity.getLocalClassName() + 3274 " did not call through to super.onConfigurationChanged()"); 3275 } 3276 activity.mConfigChangeFlags = 0; 3277 activity.mCurrentConfig = new Configuration(config); 3278 } 3279 } 3280 } 3281 3282 public final void applyConfigurationToResources(Configuration config) { 3283 synchronized (mPackages) { 3284 applyConfigurationToResourcesLocked(config, null); 3285 } 3286 } 3287 3288 final boolean applyConfigurationToResourcesLocked(Configuration config, 3289 CompatibilityInfo compat) { 3290 if (mResConfiguration == null) { 3291 mResConfiguration = new Configuration(); 3292 } 3293 if (!mResConfiguration.isOtherSeqNewer(config) && compat == null) { 3294 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Skipping new config: curSeq=" 3295 + mResConfiguration.seq + ", newSeq=" + config.seq); 3296 return false; 3297 } 3298 int changes = mResConfiguration.updateFrom(config); 3299 DisplayMetrics dm = getDisplayMetricsLocked(true); 3300 3301 // set it for java, this also affects newly created Resources 3302 if (config.locale != null) { 3303 Locale.setDefault(config.locale); 3304 } 3305 3306 Resources.updateSystemConfiguration(config, dm, compat); 3307 3308 ApplicationPackageManager.configurationChanged(); 3309 //Slog.i(TAG, "Configuration changed in " + currentPackageName()); 3310 3311 Iterator<WeakReference<Resources>> it = 3312 mActiveResources.values().iterator(); 3313 //Iterator<Map.Entry<String, WeakReference<Resources>>> it = 3314 // mActiveResources.entrySet().iterator(); 3315 while (it.hasNext()) { 3316 WeakReference<Resources> v = it.next(); 3317 Resources r = v.get(); 3318 if (r != null) { 3319 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Changing resources " 3320 + r + " config to: " + config); 3321 r.updateConfiguration(config, dm, compat); 3322 //Slog.i(TAG, "Updated app resources " + v.getKey() 3323 // + " " + r + ": " + r.getConfiguration()); 3324 } else { 3325 //Slog.i(TAG, "Removing old resources " + v.getKey()); 3326 it.remove(); 3327 } 3328 } 3329 3330 return changes != 0; 3331 } 3332 3333 final void handleConfigurationChanged(Configuration config, CompatibilityInfo compat) { 3334 3335 ArrayList<ComponentCallbacks> callbacks = null; 3336 3337 synchronized (mPackages) { 3338 if (mPendingConfiguration != null) { 3339 if (!mPendingConfiguration.isOtherSeqNewer(config)) { 3340 config = mPendingConfiguration; 3341 } 3342 mPendingConfiguration = null; 3343 } 3344 3345 if (config == null) { 3346 return; 3347 } 3348 3349 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handle configuration changed: " 3350 + config); 3351 3352 applyConfigurationToResourcesLocked(config, compat); 3353 3354 if (mConfiguration == null) { 3355 mConfiguration = new Configuration(); 3356 } 3357 if (!mConfiguration.isOtherSeqNewer(config) && compat == null) { 3358 return; 3359 } 3360 mConfiguration.updateFrom(config); 3361 if (compat != null) { 3362 // Can't do this here, because it causes us to report the 3363 // comatible config back to the am as the current config 3364 // of the activity, and much unhappiness results. 3365 //compat.applyToConfiguration(mConfiguration); 3366 } 3367 3368 callbacks = collectComponentCallbacksLocked(false, config); 3369 } 3370 3371 if (callbacks != null) { 3372 final int N = callbacks.size(); 3373 for (int i=0; i<N; i++) { 3374 performConfigurationChanged(callbacks.get(i), config); 3375 } 3376 } 3377 } 3378 3379 final void handleActivityConfigurationChanged(IBinder token) { 3380 ActivityClientRecord r = mActivities.get(token); 3381 if (r == null || r.activity == null) { 3382 return; 3383 } 3384 3385 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handle activity config changed: " 3386 + r.activityInfo.name); 3387 3388 performConfigurationChanged(r.activity, mConfiguration); 3389 } 3390 3391 final void handleProfilerControl(boolean start, ProfilerControlData pcd) { 3392 if (start) { 3393 try { 3394 Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(), 3395 8 * 1024 * 1024, 0); 3396 } catch (RuntimeException e) { 3397 Slog.w(TAG, "Profiling failed on path " + pcd.path 3398 + " -- can the process access this path?"); 3399 } finally { 3400 try { 3401 pcd.fd.close(); 3402 } catch (IOException e) { 3403 Slog.w(TAG, "Failure closing profile fd", e); 3404 } 3405 } 3406 } else { 3407 Debug.stopMethodTracing(); 3408 } 3409 } 3410 3411 final void handleDumpHeap(boolean managed, DumpHeapData dhd) { 3412 if (managed) { 3413 try { 3414 Debug.dumpHprofData(dhd.path, dhd.fd.getFileDescriptor()); 3415 } catch (IOException e) { 3416 Slog.w(TAG, "Managed heap dump failed on path " + dhd.path 3417 + " -- can the process access this path?"); 3418 } finally { 3419 try { 3420 dhd.fd.close(); 3421 } catch (IOException e) { 3422 Slog.w(TAG, "Failure closing profile fd", e); 3423 } 3424 } 3425 } else { 3426 Debug.dumpNativeHeap(dhd.fd.getFileDescriptor()); 3427 } 3428 } 3429 3430 final void handleDispatchPackageBroadcast(int cmd, String[] packages) { 3431 boolean hasPkgInfo = false; 3432 if (packages != null) { 3433 for (int i=packages.length-1; i>=0; i--) { 3434 //Slog.i(TAG, "Cleaning old package: " + packages[i]); 3435 if (!hasPkgInfo) { 3436 WeakReference<LoadedApk> ref; 3437 ref = mPackages.get(packages[i]); 3438 if (ref != null && ref.get() != null) { 3439 hasPkgInfo = true; 3440 } else { 3441 ref = mResourcePackages.get(packages[i]); 3442 if (ref != null && ref.get() != null) { 3443 hasPkgInfo = true; 3444 } 3445 } 3446 } 3447 mPackages.remove(packages[i]); 3448 mResourcePackages.remove(packages[i]); 3449 } 3450 } 3451 ApplicationPackageManager.handlePackageBroadcast(cmd, packages, 3452 hasPkgInfo); 3453 } 3454 3455 final void handleLowMemory() { 3456 ArrayList<ComponentCallbacks> callbacks 3457 = new ArrayList<ComponentCallbacks>(); 3458 3459 synchronized (mPackages) { 3460 callbacks = collectComponentCallbacksLocked(true, null); 3461 } 3462 3463 final int N = callbacks.size(); 3464 for (int i=0; i<N; i++) { 3465 callbacks.get(i).onLowMemory(); 3466 } 3467 3468 // Ask SQLite to free up as much memory as it can, mostly from its page caches. 3469 if (Process.myUid() != Process.SYSTEM_UID) { 3470 int sqliteReleased = SQLiteDatabase.releaseMemory(); 3471 EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased); 3472 } 3473 3474 // Ask graphics to free up as much as possible (font/image caches) 3475 Canvas.freeCaches(); 3476 3477 BinderInternal.forceGc("mem"); 3478 } 3479 3480 private final void handleBindApplication(AppBindData data) { 3481 mBoundApplication = data; 3482 mConfiguration = new Configuration(data.config); 3483 3484 // send up app name; do this *before* waiting for debugger 3485 Process.setArgV0(data.processName); 3486 android.ddm.DdmHandleAppName.setAppName(data.processName); 3487 3488 /* 3489 * Before spawning a new process, reset the time zone to be the system time zone. 3490 * This needs to be done because the system time zone could have changed after the 3491 * the spawning of this process. Without doing this this process would have the incorrect 3492 * system time zone. 3493 */ 3494 TimeZone.setDefault(null); 3495 3496 /* 3497 * Initialize the default locale in this process for the reasons we set the time zone. 3498 */ 3499 Locale.setDefault(data.config.locale); 3500 3501 /* 3502 * Update the system configuration since its preloaded and might not 3503 * reflect configuration changes. The configuration object passed 3504 * in AppBindData can be safely assumed to be up to date 3505 */ 3506 applyConfigurationToResourcesLocked(data.config, data.compatInfo); 3507 3508 data.info = getPackageInfoNoCheck(data.appInfo, data.compatInfo); 3509 3510 /** 3511 * For system applications on userdebug/eng builds, log stack 3512 * traces of disk and network access to dropbox for analysis. 3513 */ 3514 if ((data.appInfo.flags & 3515 (ApplicationInfo.FLAG_SYSTEM | 3516 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0) { 3517 StrictMode.conditionallyEnableDebugLogging(); 3518 } 3519 3520 /** 3521 * For apps targetting SDK Honeycomb or later, we don't allow 3522 * network usage on the main event loop / UI thread. 3523 * 3524 * Note to those grepping: this is what ultimately throws 3525 * NetworkOnMainThreadException ... 3526 */ 3527 if (data.appInfo.targetSdkVersion > 9) { 3528 StrictMode.enableDeathOnNetwork(); 3529 } 3530 3531 /** 3532 * Switch this process to density compatibility mode if needed. 3533 */ 3534 if ((data.appInfo.flags&ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES) 3535 == 0) { 3536 Bitmap.setDefaultDensity(DisplayMetrics.DENSITY_DEFAULT); 3537 } 3538 3539 if (data.debugMode != IApplicationThread.DEBUG_OFF) { 3540 // XXX should have option to change the port. 3541 Debug.changeDebugPort(8100); 3542 if (data.debugMode == IApplicationThread.DEBUG_WAIT) { 3543 Slog.w(TAG, "Application " + data.info.getPackageName() 3544 + " is waiting for the debugger on port 8100..."); 3545 3546 IActivityManager mgr = ActivityManagerNative.getDefault(); 3547 try { 3548 mgr.showWaitingForDebugger(mAppThread, true); 3549 } catch (RemoteException ex) { 3550 } 3551 3552 Debug.waitForDebugger(); 3553 3554 try { 3555 mgr.showWaitingForDebugger(mAppThread, false); 3556 } catch (RemoteException ex) { 3557 } 3558 3559 } else { 3560 Slog.w(TAG, "Application " + data.info.getPackageName() 3561 + " can be debugged on port 8100..."); 3562 } 3563 } 3564 3565 /** 3566 * Initialize the default http proxy in this process for the reasons we set the time zone. 3567 */ 3568 IBinder b = ServiceManager.getService(Context.CONNECTIVITY_SERVICE); 3569 IConnectivityManager service = IConnectivityManager.Stub.asInterface(b); 3570 try { 3571 ProxyProperties proxyProperties = service.getProxy(); 3572 Proxy.setHttpProxySystemProperty(proxyProperties); 3573 } catch (RemoteException e) {} 3574 3575 if (data.instrumentationName != null) { 3576 ContextImpl appContext = new ContextImpl(); 3577 appContext.init(data.info, null, this); 3578 InstrumentationInfo ii = null; 3579 try { 3580 ii = appContext.getPackageManager(). 3581 getInstrumentationInfo(data.instrumentationName, 0); 3582 } catch (PackageManager.NameNotFoundException e) { 3583 } 3584 if (ii == null) { 3585 throw new RuntimeException( 3586 "Unable to find instrumentation info for: " 3587 + data.instrumentationName); 3588 } 3589 3590 mInstrumentationAppDir = ii.sourceDir; 3591 mInstrumentationAppPackage = ii.packageName; 3592 mInstrumentedAppDir = data.info.getAppDir(); 3593 3594 ApplicationInfo instrApp = new ApplicationInfo(); 3595 instrApp.packageName = ii.packageName; 3596 instrApp.sourceDir = ii.sourceDir; 3597 instrApp.publicSourceDir = ii.publicSourceDir; 3598 instrApp.dataDir = ii.dataDir; 3599 instrApp.nativeLibraryDir = ii.nativeLibraryDir; 3600 LoadedApk pi = getPackageInfo(instrApp, data.compatInfo, 3601 appContext.getClassLoader(), false, true); 3602 ContextImpl instrContext = new ContextImpl(); 3603 instrContext.init(pi, null, this); 3604 3605 try { 3606 java.lang.ClassLoader cl = instrContext.getClassLoader(); 3607 mInstrumentation = (Instrumentation) 3608 cl.loadClass(data.instrumentationName.getClassName()).newInstance(); 3609 } catch (Exception e) { 3610 throw new RuntimeException( 3611 "Unable to instantiate instrumentation " 3612 + data.instrumentationName + ": " + e.toString(), e); 3613 } 3614 3615 mInstrumentation.init(this, instrContext, appContext, 3616 new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher); 3617 3618 if (data.profileFile != null && !ii.handleProfiling) { 3619 data.handlingProfiling = true; 3620 File file = new File(data.profileFile); 3621 file.getParentFile().mkdirs(); 3622 Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024); 3623 } 3624 3625 try { 3626 mInstrumentation.onCreate(data.instrumentationArgs); 3627 } 3628 catch (Exception e) { 3629 throw new RuntimeException( 3630 "Exception thrown in onCreate() of " 3631 + data.instrumentationName + ": " + e.toString(), e); 3632 } 3633 3634 } else { 3635 mInstrumentation = new Instrumentation(); 3636 } 3637 3638 if ((data.appInfo.flags&ApplicationInfo.FLAG_LARGE_HEAP) != 0) { 3639 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 3640 } 3641 3642 // If the app is being launched for full backup or restore, bring it up in 3643 // a restricted environment with the base application class. 3644 Application app = data.info.makeApplication(data.restrictedBackupMode, null); 3645 mInitialApplication = app; 3646 3647 List<ProviderInfo> providers = data.providers; 3648 if (providers != null) { 3649 installContentProviders(app, providers); 3650 // For process that contains content providers, we want to 3651 // ensure that the JIT is enabled "at some point". 3652 mH.sendEmptyMessageDelayed(H.ENABLE_JIT, 10*1000); 3653 } 3654 3655 try { 3656 mInstrumentation.callApplicationOnCreate(app); 3657 } catch (Exception e) { 3658 if (!mInstrumentation.onException(app, e)) { 3659 throw new RuntimeException( 3660 "Unable to create application " + app.getClass().getName() 3661 + ": " + e.toString(), e); 3662 } 3663 } 3664 } 3665 3666 /*package*/ final void finishInstrumentation(int resultCode, Bundle results) { 3667 IActivityManager am = ActivityManagerNative.getDefault(); 3668 if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) { 3669 Debug.stopMethodTracing(); 3670 } 3671 //Slog.i(TAG, "am: " + ActivityManagerNative.getDefault() 3672 // + ", app thr: " + mAppThread); 3673 try { 3674 am.finishInstrumentation(mAppThread, resultCode, results); 3675 } catch (RemoteException ex) { 3676 } 3677 } 3678 3679 private final void installContentProviders( 3680 Context context, List<ProviderInfo> providers) { 3681 final ArrayList<IActivityManager.ContentProviderHolder> results = 3682 new ArrayList<IActivityManager.ContentProviderHolder>(); 3683 3684 Iterator<ProviderInfo> i = providers.iterator(); 3685 while (i.hasNext()) { 3686 ProviderInfo cpi = i.next(); 3687 StringBuilder buf = new StringBuilder(128); 3688 buf.append("Pub "); 3689 buf.append(cpi.authority); 3690 buf.append(": "); 3691 buf.append(cpi.name); 3692 Log.i(TAG, buf.toString()); 3693 IContentProvider cp = installProvider(context, null, cpi, false); 3694 if (cp != null) { 3695 IActivityManager.ContentProviderHolder cph = 3696 new IActivityManager.ContentProviderHolder(cpi); 3697 cph.provider = cp; 3698 results.add(cph); 3699 // Don't ever unload this provider from the process. 3700 synchronized(mProviderMap) { 3701 mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000)); 3702 } 3703 } 3704 } 3705 3706 try { 3707 ActivityManagerNative.getDefault().publishContentProviders( 3708 getApplicationThread(), results); 3709 } catch (RemoteException ex) { 3710 } 3711 } 3712 3713 private final IContentProvider getExistingProvider(Context context, String name) { 3714 synchronized(mProviderMap) { 3715 final ProviderClientRecord pr = mProviderMap.get(name); 3716 if (pr != null) { 3717 return pr.mProvider; 3718 } 3719 return null; 3720 } 3721 } 3722 3723 private final IContentProvider getProvider(Context context, String name) { 3724 IContentProvider existing = getExistingProvider(context, name); 3725 if (existing != null) { 3726 return existing; 3727 } 3728 3729 IActivityManager.ContentProviderHolder holder = null; 3730 try { 3731 holder = ActivityManagerNative.getDefault().getContentProvider( 3732 getApplicationThread(), name); 3733 } catch (RemoteException ex) { 3734 } 3735 if (holder == null) { 3736 Slog.e(TAG, "Failed to find provider info for " + name); 3737 return null; 3738 } 3739 3740 IContentProvider prov = installProvider(context, holder.provider, 3741 holder.info, true); 3742 //Slog.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded); 3743 if (holder.noReleaseNeeded || holder.provider == null) { 3744 // We are not going to release the provider if it is an external 3745 // provider that doesn't care about being released, or if it is 3746 // a local provider running in this process. 3747 //Slog.i(TAG, "*** NO RELEASE NEEDED"); 3748 synchronized(mProviderMap) { 3749 mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000)); 3750 } 3751 } 3752 return prov; 3753 } 3754 3755 public final IContentProvider acquireProvider(Context c, String name) { 3756 IContentProvider provider = getProvider(c, name); 3757 if(provider == null) 3758 return null; 3759 IBinder jBinder = provider.asBinder(); 3760 synchronized(mProviderMap) { 3761 ProviderRefCount prc = mProviderRefCountMap.get(jBinder); 3762 if(prc == null) { 3763 mProviderRefCountMap.put(jBinder, new ProviderRefCount(1)); 3764 } else { 3765 prc.count++; 3766 } //end else 3767 } //end synchronized 3768 return provider; 3769 } 3770 3771 public final IContentProvider acquireExistingProvider(Context c, String name) { 3772 IContentProvider provider = getExistingProvider(c, name); 3773 if(provider == null) 3774 return null; 3775 IBinder jBinder = provider.asBinder(); 3776 synchronized(mProviderMap) { 3777 ProviderRefCount prc = mProviderRefCountMap.get(jBinder); 3778 if(prc == null) { 3779 mProviderRefCountMap.put(jBinder, new ProviderRefCount(1)); 3780 } else { 3781 prc.count++; 3782 } //end else 3783 } //end synchronized 3784 return provider; 3785 } 3786 3787 public final boolean releaseProvider(IContentProvider provider) { 3788 if(provider == null) { 3789 return false; 3790 } 3791 IBinder jBinder = provider.asBinder(); 3792 synchronized(mProviderMap) { 3793 ProviderRefCount prc = mProviderRefCountMap.get(jBinder); 3794 if(prc == null) { 3795 if(localLOGV) Slog.v(TAG, "releaseProvider::Weird shouldn't be here"); 3796 return false; 3797 } else { 3798 prc.count--; 3799 if(prc.count == 0) { 3800 // Schedule the actual remove asynchronously, since we 3801 // don't know the context this will be called in. 3802 // TODO: it would be nice to post a delayed message, so 3803 // if we come back and need the same provider quickly 3804 // we will still have it available. 3805 Message msg = mH.obtainMessage(H.REMOVE_PROVIDER, provider); 3806 mH.sendMessage(msg); 3807 } //end if 3808 } //end else 3809 } //end synchronized 3810 return true; 3811 } 3812 3813 final void completeRemoveProvider(IContentProvider provider) { 3814 IBinder jBinder = provider.asBinder(); 3815 String name = null; 3816 synchronized(mProviderMap) { 3817 ProviderRefCount prc = mProviderRefCountMap.get(jBinder); 3818 if(prc != null && prc.count == 0) { 3819 mProviderRefCountMap.remove(jBinder); 3820 //invoke removeProvider to dereference provider 3821 name = removeProviderLocked(provider); 3822 } 3823 } 3824 3825 if (name != null) { 3826 try { 3827 if(localLOGV) Slog.v(TAG, "removeProvider::Invoking " + 3828 "ActivityManagerNative.removeContentProvider(" + name); 3829 ActivityManagerNative.getDefault().removeContentProvider( 3830 getApplicationThread(), name); 3831 } catch (RemoteException e) { 3832 //do nothing content provider object is dead any way 3833 } //end catch 3834 } 3835 } 3836 3837 public final String removeProviderLocked(IContentProvider provider) { 3838 if (provider == null) { 3839 return null; 3840 } 3841 IBinder providerBinder = provider.asBinder(); 3842 3843 String name = null; 3844 3845 // remove the provider from mProviderMap 3846 Iterator<ProviderClientRecord> iter = mProviderMap.values().iterator(); 3847 while (iter.hasNext()) { 3848 ProviderClientRecord pr = iter.next(); 3849 IBinder myBinder = pr.mProvider.asBinder(); 3850 if (myBinder == providerBinder) { 3851 //find if its published by this process itself 3852 if(pr.mLocalProvider != null) { 3853 if(localLOGV) Slog.i(TAG, "removeProvider::found local provider returning"); 3854 return name; 3855 } 3856 if(localLOGV) Slog.v(TAG, "removeProvider::Not local provider Unlinking " + 3857 "death recipient"); 3858 //content provider is in another process 3859 myBinder.unlinkToDeath(pr, 0); 3860 iter.remove(); 3861 //invoke remove only once for the very first name seen 3862 if(name == null) { 3863 name = pr.mName; 3864 } 3865 } //end if myBinder 3866 } //end while iter 3867 3868 return name; 3869 } 3870 3871 final void removeDeadProvider(String name, IContentProvider provider) { 3872 synchronized(mProviderMap) { 3873 ProviderClientRecord pr = mProviderMap.get(name); 3874 if (pr.mProvider.asBinder() == provider.asBinder()) { 3875 Slog.i(TAG, "Removing dead content provider: " + name); 3876 ProviderClientRecord removed = mProviderMap.remove(name); 3877 if (removed != null) { 3878 removed.mProvider.asBinder().unlinkToDeath(removed, 0); 3879 } 3880 } 3881 } 3882 } 3883 3884 final void removeDeadProviderLocked(String name, IContentProvider provider) { 3885 ProviderClientRecord pr = mProviderMap.get(name); 3886 if (pr.mProvider.asBinder() == provider.asBinder()) { 3887 Slog.i(TAG, "Removing dead content provider: " + name); 3888 ProviderClientRecord removed = mProviderMap.remove(name); 3889 if (removed != null) { 3890 removed.mProvider.asBinder().unlinkToDeath(removed, 0); 3891 } 3892 } 3893 } 3894 3895 private final IContentProvider installProvider(Context context, 3896 IContentProvider provider, ProviderInfo info, boolean noisy) { 3897 ContentProvider localProvider = null; 3898 if (provider == null) { 3899 if (noisy) { 3900 Slog.d(TAG, "Loading provider " + info.authority + ": " 3901 + info.name); 3902 } 3903 Context c = null; 3904 ApplicationInfo ai = info.applicationInfo; 3905 if (context.getPackageName().equals(ai.packageName)) { 3906 c = context; 3907 } else if (mInitialApplication != null && 3908 mInitialApplication.getPackageName().equals(ai.packageName)) { 3909 c = mInitialApplication; 3910 } else { 3911 try { 3912 c = context.createPackageContext(ai.packageName, 3913 Context.CONTEXT_INCLUDE_CODE); 3914 } catch (PackageManager.NameNotFoundException e) { 3915 } 3916 } 3917 if (c == null) { 3918 Slog.w(TAG, "Unable to get context for package " + 3919 ai.packageName + 3920 " while loading content provider " + 3921 info.name); 3922 return null; 3923 } 3924 try { 3925 final java.lang.ClassLoader cl = c.getClassLoader(); 3926 localProvider = (ContentProvider)cl. 3927 loadClass(info.name).newInstance(); 3928 provider = localProvider.getIContentProvider(); 3929 if (provider == null) { 3930 Slog.e(TAG, "Failed to instantiate class " + 3931 info.name + " from sourceDir " + 3932 info.applicationInfo.sourceDir); 3933 return null; 3934 } 3935 if (Config.LOGV) Slog.v( 3936 TAG, "Instantiating local provider " + info.name); 3937 // XXX Need to create the correct context for this provider. 3938 localProvider.attachInfo(c, info); 3939 } catch (java.lang.Exception e) { 3940 if (!mInstrumentation.onException(null, e)) { 3941 throw new RuntimeException( 3942 "Unable to get provider " + info.name 3943 + ": " + e.toString(), e); 3944 } 3945 return null; 3946 } 3947 } else if (localLOGV) { 3948 Slog.v(TAG, "Installing external provider " + info.authority + ": " 3949 + info.name); 3950 } 3951 3952 synchronized (mProviderMap) { 3953 // Cache the pointer for the remote provider. 3954 String names[] = PATTERN_SEMICOLON.split(info.authority); 3955 for (int i=0; i<names.length; i++) { 3956 ProviderClientRecord pr = new ProviderClientRecord(names[i], provider, 3957 localProvider); 3958 try { 3959 provider.asBinder().linkToDeath(pr, 0); 3960 mProviderMap.put(names[i], pr); 3961 } catch (RemoteException e) { 3962 return null; 3963 } 3964 } 3965 if (localProvider != null) { 3966 mLocalProviders.put(provider.asBinder(), 3967 new ProviderClientRecord(null, provider, localProvider)); 3968 } 3969 } 3970 3971 return provider; 3972 } 3973 3974 private final void attach(boolean system) { 3975 sThreadLocal.set(this); 3976 mSystemThread = system; 3977 if (!system) { 3978 ViewRoot.addFirstDrawHandler(new Runnable() { 3979 public void run() { 3980 ensureJitEnabled(); 3981 } 3982 }); 3983 android.ddm.DdmHandleAppName.setAppName("<pre-initialized>"); 3984 RuntimeInit.setApplicationObject(mAppThread.asBinder()); 3985 IActivityManager mgr = ActivityManagerNative.getDefault(); 3986 try { 3987 mgr.attachApplication(mAppThread); 3988 } catch (RemoteException ex) { 3989 } 3990 } else { 3991 // Don't set application object here -- if the system crashes, 3992 // we can't display an alert, we just want to die die die. 3993 android.ddm.DdmHandleAppName.setAppName("system_process"); 3994 try { 3995 mInstrumentation = new Instrumentation(); 3996 ContextImpl context = new ContextImpl(); 3997 context.init(getSystemContext().mPackageInfo, null, this); 3998 Application app = Instrumentation.newApplication(Application.class, context); 3999 mAllApplications.add(app); 4000 mInitialApplication = app; 4001 app.onCreate(); 4002 } catch (Exception e) { 4003 throw new RuntimeException( 4004 "Unable to instantiate Application():" + e.toString(), e); 4005 } 4006 } 4007 4008 ViewRoot.addConfigCallback(new ComponentCallbacks() { 4009 public void onConfigurationChanged(Configuration newConfig) { 4010 synchronized (mPackages) { 4011 // We need to apply this change to the resources 4012 // immediately, because upon returning the view 4013 // hierarchy will be informed about it. 4014 if (applyConfigurationToResourcesLocked(newConfig, null)) { 4015 // This actually changed the resources! Tell 4016 // everyone about it. 4017 if (mPendingConfiguration == null || 4018 mPendingConfiguration.isOtherSeqNewer(newConfig)) { 4019 mPendingConfiguration = newConfig; 4020 4021 queueOrSendMessage(H.CONFIGURATION_CHANGED, newConfig); 4022 } 4023 } 4024 } 4025 } 4026 public void onLowMemory() { 4027 } 4028 }); 4029 } 4030 4031 private final void detach() 4032 { 4033 sThreadLocal.set(null); 4034 } 4035 4036 public static final ActivityThread systemMain() { 4037 HardwareRenderer.disable(); 4038 ActivityThread thread = new ActivityThread(); 4039 thread.attach(true); 4040 return thread; 4041 } 4042 4043 public final void installSystemProviders(List providers) { 4044 if (providers != null) { 4045 installContentProviders(mInitialApplication, 4046 (List<ProviderInfo>)providers); 4047 } 4048 } 4049 4050 public int getIntCoreSetting(String key, int defaultValue) { 4051 synchronized (mPackages) { 4052 if (mCoreSettings != null) { 4053 return mCoreSettings.getInt(key, defaultValue); 4054 } else { 4055 return defaultValue; 4056 } 4057 } 4058 } 4059 4060 public static final void main(String[] args) { 4061 SamplingProfilerIntegration.start(); 4062 4063 // CloseGuard defaults to true and can be quite spammy. We 4064 // disable it here, but selectively enable it later (via 4065 // StrictMode) on debug builds, but using DropBox, not logs. 4066 CloseGuard.setEnabled(false); 4067 4068 Process.setArgV0("<pre-initialized>"); 4069 4070 Looper.prepareMainLooper(); 4071 if (sMainThreadHandler == null) { 4072 sMainThreadHandler = new Handler(); 4073 } 4074 4075 ActivityThread thread = new ActivityThread(); 4076 thread.attach(false); 4077 4078 if (false) { 4079 Looper.myLooper().setMessageLogging(new 4080 LogPrinter(Log.DEBUG, "ActivityThread")); 4081 } 4082 4083 Looper.loop(); 4084 4085 if (Process.supportsProcesses()) { 4086 throw new RuntimeException("Main thread loop unexpectedly exited"); 4087 } 4088 4089 thread.detach(); 4090 String name = (thread.mInitialApplication != null) 4091 ? thread.mInitialApplication.getPackageName() 4092 : "<unknown>"; 4093 Slog.i(TAG, "Main thread of " + name + " is now exiting"); 4094 } 4095} 4096