ActivityThread.java revision bdf7609867a3f886455c51dba91623a86cceb6e2
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.AsyncTask; 49import android.os.Bundle; 50import android.os.Debug; 51import android.os.Handler; 52import android.os.IBinder; 53import android.os.Looper; 54import android.os.Message; 55import android.os.MessageQueue; 56import android.os.ParcelFileDescriptor; 57import android.os.Process; 58import android.os.RemoteException; 59import android.os.ServiceManager; 60import android.os.StrictMode; 61import android.os.SystemClock; 62import android.util.AndroidRuntimeException; 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.ViewAncestor; 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 = false; 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 = true; 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 mCompatConfiguration; 159 Configuration mResConfiguration; 160 CompatibilityInfo mResCompatibilityInfo; 161 Application mInitialApplication; 162 final ArrayList<Application> mAllApplications 163 = new ArrayList<Application>(); 164 // set of instantiated backup agents, keyed by package name 165 final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>(); 166 static final ThreadLocal<ActivityThread> sThreadLocal = new ThreadLocal(); 167 Instrumentation mInstrumentation; 168 String mInstrumentationAppDir = null; 169 String mInstrumentationAppPackage = null; 170 String mInstrumentedAppDir = null; 171 boolean mSystemThread = false; 172 boolean mJitEnabled = false; 173 174 // These can be accessed by multiple threads; mPackages is the lock. 175 // XXX For now we keep around information about all packages we have 176 // seen, not removing entries from this map. 177 // NOTE: The activity manager in its process needs to call in to 178 // ActivityThread to do things like update resource configurations, 179 // which means this lock gets held while the activity manager holds its 180 // own lock. Thus you MUST NEVER call back into the activity manager 181 // or anything that depends on it while holding this lock. 182 final HashMap<String, WeakReference<LoadedApk>> mPackages 183 = new HashMap<String, WeakReference<LoadedApk>>(); 184 final HashMap<String, WeakReference<LoadedApk>> mResourcePackages 185 = new HashMap<String, WeakReference<LoadedApk>>(); 186 final HashMap<CompatibilityInfo, DisplayMetrics> mDisplayMetrics 187 = new HashMap<CompatibilityInfo, DisplayMetrics>(); 188 final HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources 189 = new HashMap<ResourcesKey, WeakReference<Resources> >(); 190 final ArrayList<ActivityClientRecord> mRelaunchingActivities 191 = new ArrayList<ActivityClientRecord>(); 192 Configuration mPendingConfiguration = null; 193 194 // The lock of mProviderMap protects the following variables. 195 final HashMap<String, ProviderClientRecord> mProviderMap 196 = new HashMap<String, ProviderClientRecord>(); 197 final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap 198 = new HashMap<IBinder, ProviderRefCount>(); 199 final HashMap<IBinder, ProviderClientRecord> mLocalProviders 200 = new HashMap<IBinder, ProviderClientRecord>(); 201 202 final HashMap<Activity, ArrayList<OnActivityPausedListener>> mOnPauseListeners 203 = new HashMap<Activity, ArrayList<OnActivityPausedListener>>(); 204 205 final GcIdler mGcIdler = new GcIdler(); 206 boolean mGcIdlerScheduled = false; 207 208 static Handler sMainThreadHandler; // set once in main() 209 210 Bundle mCoreSettings = null; 211 212 static final class ActivityClientRecord { 213 IBinder token; 214 int ident; 215 Intent intent; 216 Bundle state; 217 Activity activity; 218 Window window; 219 Activity parent; 220 String embeddedID; 221 Activity.NonConfigurationInstances lastNonConfigurationInstances; 222 boolean paused; 223 boolean stopped; 224 boolean hideForNow; 225 Configuration newConfig; 226 Configuration createdConfig; 227 ActivityClientRecord nextIdle; 228 229 ActivityInfo activityInfo; 230 CompatibilityInfo compatInfo; 231 LoadedApk packageInfo; 232 233 List<ResultInfo> pendingResults; 234 List<Intent> pendingIntents; 235 236 boolean startsNotResumed; 237 boolean isForward; 238 int pendingConfigChanges; 239 boolean onlyLocalRequest; 240 241 View mPendingRemoveWindow; 242 WindowManager mPendingRemoveWindowManager; 243 244 ActivityClientRecord() { 245 parent = null; 246 embeddedID = null; 247 paused = false; 248 stopped = false; 249 hideForNow = false; 250 nextIdle = null; 251 } 252 253 public boolean isPreHoneycomb() { 254 if (activity != null) { 255 return activity.getApplicationInfo().targetSdkVersion 256 < android.os.Build.VERSION_CODES.HONEYCOMB; 257 } 258 return false; 259 } 260 261 public String toString() { 262 ComponentName componentName = intent.getComponent(); 263 return "ActivityRecord{" 264 + Integer.toHexString(System.identityHashCode(this)) 265 + " token=" + token + " " + (componentName == null 266 ? "no component name" : componentName.toShortString()) 267 + "}"; 268 } 269 } 270 271 final class ProviderClientRecord implements IBinder.DeathRecipient { 272 final String mName; 273 final IContentProvider mProvider; 274 final ContentProvider mLocalProvider; 275 276 ProviderClientRecord(String name, IContentProvider provider, 277 ContentProvider localProvider) { 278 mName = name; 279 mProvider = provider; 280 mLocalProvider = localProvider; 281 } 282 283 public void binderDied() { 284 removeDeadProvider(mName, mProvider); 285 } 286 } 287 288 static final class NewIntentData { 289 List<Intent> intents; 290 IBinder token; 291 public String toString() { 292 return "NewIntentData{intents=" + intents + " token=" + token + "}"; 293 } 294 } 295 296 static final class ReceiverData extends BroadcastReceiver.PendingResult { 297 public ReceiverData(Intent intent, int resultCode, String resultData, Bundle resultExtras, 298 boolean ordered, boolean sticky, IBinder token) { 299 super(resultCode, resultData, resultExtras, TYPE_COMPONENT, ordered, sticky, token); 300 this.intent = intent; 301 } 302 303 Intent intent; 304 ActivityInfo info; 305 CompatibilityInfo compatInfo; 306 public String toString() { 307 return "ReceiverData{intent=" + intent + " packageName=" + 308 info.packageName + " resultCode=" + getResultCode() 309 + " resultData=" + getResultData() + " resultExtras=" 310 + getResultExtras(false) + "}"; 311 } 312 } 313 314 static final class CreateBackupAgentData { 315 ApplicationInfo appInfo; 316 CompatibilityInfo compatInfo; 317 int backupMode; 318 public String toString() { 319 return "CreateBackupAgentData{appInfo=" + appInfo 320 + " backupAgent=" + appInfo.backupAgentName 321 + " mode=" + backupMode + "}"; 322 } 323 } 324 325 static final class CreateServiceData { 326 IBinder token; 327 ServiceInfo info; 328 CompatibilityInfo compatInfo; 329 Intent intent; 330 public String toString() { 331 return "CreateServiceData{token=" + token + " className=" 332 + info.name + " packageName=" + info.packageName 333 + " intent=" + intent + "}"; 334 } 335 } 336 337 static final class BindServiceData { 338 IBinder token; 339 Intent intent; 340 boolean rebind; 341 public String toString() { 342 return "BindServiceData{token=" + token + " intent=" + intent + "}"; 343 } 344 } 345 346 static final class ServiceArgsData { 347 IBinder token; 348 boolean taskRemoved; 349 int startId; 350 int flags; 351 Intent args; 352 public String toString() { 353 return "ServiceArgsData{token=" + token + " startId=" + startId 354 + " args=" + args + "}"; 355 } 356 } 357 358 static final class AppBindData { 359 LoadedApk info; 360 String processName; 361 ApplicationInfo appInfo; 362 List<ProviderInfo> providers; 363 ComponentName instrumentationName; 364 String profileFile; 365 Bundle instrumentationArgs; 366 IInstrumentationWatcher instrumentationWatcher; 367 int debugMode; 368 boolean restrictedBackupMode; 369 Configuration config; 370 CompatibilityInfo compatInfo; 371 boolean handlingProfiling; 372 public String toString() { 373 return "AppBindData{appInfo=" + appInfo + "}"; 374 } 375 } 376 377 static final class DumpComponentInfo { 378 ParcelFileDescriptor fd; 379 IBinder token; 380 String prefix; 381 String[] args; 382 } 383 384 static final class ResultData { 385 IBinder token; 386 List<ResultInfo> results; 387 public String toString() { 388 return "ResultData{token=" + token + " results" + results + "}"; 389 } 390 } 391 392 static final class ContextCleanupInfo { 393 ContextImpl context; 394 String what; 395 String who; 396 } 397 398 static final class ProfilerControlData { 399 String path; 400 ParcelFileDescriptor fd; 401 } 402 403 static final class DumpHeapData { 404 String path; 405 ParcelFileDescriptor fd; 406 } 407 408 static final class UpdateCompatibilityData { 409 String pkg; 410 CompatibilityInfo info; 411 } 412 413 native private void dumpGraphicsInfo(FileDescriptor fd); 414 415 private final class ApplicationThread extends ApplicationThreadNative { 416 private static final String HEAP_COLUMN = "%13s %8s %8s %8s %8s %8s %8s"; 417 private static final String ONE_COUNT_COLUMN = "%21s %8d"; 418 private static final String TWO_COUNT_COLUMNS = "%21s %8d %21s %8d"; 419 private static final String TWO_COUNT_COLUMNS_DB = "%21s %8d %21s %8d"; 420 private static final String DB_INFO_FORMAT = " %8s %8s %14s %14s %s"; 421 422 // Formatting for checkin service - update version if row format changes 423 private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1; 424 425 public final void schedulePauseActivity(IBinder token, boolean finished, 426 boolean userLeaving, int configChanges) { 427 queueOrSendMessage( 428 finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY, 429 token, 430 (userLeaving ? 1 : 0), 431 configChanges); 432 } 433 434 public final void scheduleStopActivity(IBinder token, boolean showWindow, 435 int configChanges) { 436 queueOrSendMessage( 437 showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE, 438 token, 0, configChanges); 439 } 440 441 public final void scheduleWindowVisibility(IBinder token, boolean showWindow) { 442 queueOrSendMessage( 443 showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW, 444 token); 445 } 446 447 public final void scheduleSleeping(IBinder token, boolean sleeping) { 448 queueOrSendMessage(H.SLEEPING, token, sleeping ? 1 : 0); 449 } 450 451 public final void scheduleResumeActivity(IBinder token, boolean isForward) { 452 queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0); 453 } 454 455 public final void scheduleSendResult(IBinder token, List<ResultInfo> results) { 456 ResultData res = new ResultData(); 457 res.token = token; 458 res.results = results; 459 queueOrSendMessage(H.SEND_RESULT, res); 460 } 461 462 // we use token to identify this activity without having to send the 463 // activity itself back to the activity manager. (matters more with ipc) 464 public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident, 465 ActivityInfo info, CompatibilityInfo compatInfo, Bundle state, 466 List<ResultInfo> pendingResults, 467 List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) { 468 ActivityClientRecord r = new ActivityClientRecord(); 469 470 r.token = token; 471 r.ident = ident; 472 r.intent = intent; 473 r.activityInfo = info; 474 r.compatInfo = compatInfo; 475 r.state = state; 476 477 r.pendingResults = pendingResults; 478 r.pendingIntents = pendingNewIntents; 479 480 r.startsNotResumed = notResumed; 481 r.isForward = isForward; 482 483 queueOrSendMessage(H.LAUNCH_ACTIVITY, r); 484 } 485 486 public final void scheduleRelaunchActivity(IBinder token, 487 List<ResultInfo> pendingResults, List<Intent> pendingNewIntents, 488 int configChanges, boolean notResumed, Configuration config) { 489 requestRelaunchActivity(token, pendingResults, pendingNewIntents, 490 configChanges, notResumed, config, true); 491 } 492 493 public final void scheduleNewIntent(List<Intent> intents, IBinder token) { 494 NewIntentData data = new NewIntentData(); 495 data.intents = intents; 496 data.token = token; 497 498 queueOrSendMessage(H.NEW_INTENT, data); 499 } 500 501 public final void scheduleDestroyActivity(IBinder token, boolean finishing, 502 int configChanges) { 503 queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0, 504 configChanges); 505 } 506 507 public final void scheduleReceiver(Intent intent, ActivityInfo info, 508 CompatibilityInfo compatInfo, int resultCode, String data, Bundle extras, 509 boolean sync) { 510 ReceiverData r = new ReceiverData(intent, resultCode, data, extras, 511 sync, false, mAppThread.asBinder()); 512 r.info = info; 513 r.compatInfo = compatInfo; 514 queueOrSendMessage(H.RECEIVER, r); 515 } 516 517 public final void scheduleCreateBackupAgent(ApplicationInfo app, 518 CompatibilityInfo compatInfo, int backupMode) { 519 CreateBackupAgentData d = new CreateBackupAgentData(); 520 d.appInfo = app; 521 d.compatInfo = compatInfo; 522 d.backupMode = backupMode; 523 524 queueOrSendMessage(H.CREATE_BACKUP_AGENT, d); 525 } 526 527 public final void scheduleDestroyBackupAgent(ApplicationInfo app, 528 CompatibilityInfo compatInfo) { 529 CreateBackupAgentData d = new CreateBackupAgentData(); 530 d.appInfo = app; 531 d.compatInfo = compatInfo; 532 533 queueOrSendMessage(H.DESTROY_BACKUP_AGENT, d); 534 } 535 536 public final void scheduleCreateService(IBinder token, 537 ServiceInfo info, CompatibilityInfo compatInfo) { 538 CreateServiceData s = new CreateServiceData(); 539 s.token = token; 540 s.info = info; 541 s.compatInfo = compatInfo; 542 543 queueOrSendMessage(H.CREATE_SERVICE, s); 544 } 545 546 public final void scheduleBindService(IBinder token, Intent intent, 547 boolean rebind) { 548 BindServiceData s = new BindServiceData(); 549 s.token = token; 550 s.intent = intent; 551 s.rebind = rebind; 552 553 queueOrSendMessage(H.BIND_SERVICE, s); 554 } 555 556 public final void scheduleUnbindService(IBinder token, Intent intent) { 557 BindServiceData s = new BindServiceData(); 558 s.token = token; 559 s.intent = intent; 560 561 queueOrSendMessage(H.UNBIND_SERVICE, s); 562 } 563 564 public final void scheduleServiceArgs(IBinder token, boolean taskRemoved, int startId, 565 int flags ,Intent args) { 566 ServiceArgsData s = new ServiceArgsData(); 567 s.token = token; 568 s.taskRemoved = taskRemoved; 569 s.startId = startId; 570 s.flags = flags; 571 s.args = args; 572 573 queueOrSendMessage(H.SERVICE_ARGS, s); 574 } 575 576 public final void scheduleStopService(IBinder token) { 577 queueOrSendMessage(H.STOP_SERVICE, token); 578 } 579 580 public final void bindApplication(String processName, 581 ApplicationInfo appInfo, List<ProviderInfo> providers, 582 ComponentName instrumentationName, String profileFile, 583 Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher, 584 int debugMode, boolean isRestrictedBackupMode, Configuration config, 585 CompatibilityInfo compatInfo, Map<String, IBinder> services, 586 Bundle coreSettings) { 587 588 if (services != null) { 589 // Setup the service cache in the ServiceManager 590 ServiceManager.initServiceCache(services); 591 } 592 593 setCoreSettings(coreSettings); 594 595 AppBindData data = new AppBindData(); 596 data.processName = processName; 597 data.appInfo = appInfo; 598 data.providers = providers; 599 data.instrumentationName = instrumentationName; 600 data.profileFile = profileFile; 601 data.instrumentationArgs = instrumentationArgs; 602 data.instrumentationWatcher = instrumentationWatcher; 603 data.debugMode = debugMode; 604 data.restrictedBackupMode = isRestrictedBackupMode; 605 data.config = config; 606 data.compatInfo = compatInfo; 607 queueOrSendMessage(H.BIND_APPLICATION, data); 608 } 609 610 public final void scheduleExit() { 611 queueOrSendMessage(H.EXIT_APPLICATION, null); 612 } 613 614 public final void scheduleSuicide() { 615 queueOrSendMessage(H.SUICIDE, null); 616 } 617 618 public void requestThumbnail(IBinder token) { 619 queueOrSendMessage(H.REQUEST_THUMBNAIL, token); 620 } 621 622 public void scheduleConfigurationChanged(Configuration config) { 623 synchronized (mPackages) { 624 if (mPendingConfiguration == null || 625 mPendingConfiguration.isOtherSeqNewer(config)) { 626 mPendingConfiguration = config; 627 } 628 } 629 queueOrSendMessage(H.CONFIGURATION_CHANGED, config); 630 } 631 632 public void updateTimeZone() { 633 TimeZone.setDefault(null); 634 } 635 636 public void clearDnsCache() { 637 // a non-standard API to get this to libcore 638 InetAddress.clearDnsCache(); 639 } 640 641 public void setHttpProxy(String host, String port, String exclList) { 642 Proxy.setHttpProxySystemProperty(host, port, exclList); 643 } 644 645 public void processInBackground() { 646 mH.removeMessages(H.GC_WHEN_IDLE); 647 mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE)); 648 } 649 650 public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) { 651 DumpComponentInfo data = new DumpComponentInfo(); 652 try { 653 data.fd = ParcelFileDescriptor.dup(fd); 654 data.token = servicetoken; 655 data.args = args; 656 queueOrSendMessage(H.DUMP_SERVICE, data); 657 } catch (IOException e) { 658 Slog.w(TAG, "dumpService failed", e); 659 } 660 } 661 662 // This function exists to make sure all receiver dispatching is 663 // correctly ordered, since these are one-way calls and the binder driver 664 // applies transaction ordering per object for such calls. 665 public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent, 666 int resultCode, String dataStr, Bundle extras, boolean ordered, 667 boolean sticky) throws RemoteException { 668 receiver.performReceive(intent, resultCode, dataStr, extras, ordered, sticky); 669 } 670 671 public void scheduleLowMemory() { 672 queueOrSendMessage(H.LOW_MEMORY, null); 673 } 674 675 public void scheduleActivityConfigurationChanged(IBinder token) { 676 queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token); 677 } 678 679 public void profilerControl(boolean start, String path, ParcelFileDescriptor fd) { 680 ProfilerControlData pcd = new ProfilerControlData(); 681 pcd.path = path; 682 pcd.fd = fd; 683 queueOrSendMessage(H.PROFILER_CONTROL, pcd, start ? 1 : 0); 684 } 685 686 public void dumpHeap(boolean managed, String path, ParcelFileDescriptor fd) { 687 DumpHeapData dhd = new DumpHeapData(); 688 dhd.path = path; 689 dhd.fd = fd; 690 queueOrSendMessage(H.DUMP_HEAP, dhd, managed ? 1 : 0); 691 } 692 693 public void setSchedulingGroup(int group) { 694 // Note: do this immediately, since going into the foreground 695 // should happen regardless of what pending work we have to do 696 // and the activity manager will wait for us to report back that 697 // we are done before sending us to the background. 698 try { 699 Process.setProcessGroup(Process.myPid(), group); 700 } catch (Exception e) { 701 Slog.w(TAG, "Failed setting process group to " + group, e); 702 } 703 } 704 705 public void getMemoryInfo(Debug.MemoryInfo outInfo) { 706 Debug.getMemoryInfo(outInfo); 707 } 708 709 public void dispatchPackageBroadcast(int cmd, String[] packages) { 710 queueOrSendMessage(H.DISPATCH_PACKAGE_BROADCAST, packages, cmd); 711 } 712 713 public void scheduleCrash(String msg) { 714 queueOrSendMessage(H.SCHEDULE_CRASH, msg); 715 } 716 717 public void dumpActivity(FileDescriptor fd, IBinder activitytoken, 718 String prefix, String[] args) { 719 DumpComponentInfo data = new DumpComponentInfo(); 720 try { 721 data.fd = ParcelFileDescriptor.dup(fd); 722 data.token = activitytoken; 723 data.prefix = prefix; 724 data.args = args; 725 queueOrSendMessage(H.DUMP_ACTIVITY, data); 726 } catch (IOException e) { 727 Slog.w(TAG, "dumpActivity failed", e); 728 } 729 } 730 731 @Override 732 public Debug.MemoryInfo dumpMemInfo(FileDescriptor fd, String[] args) { 733 FileOutputStream fout = new FileOutputStream(fd); 734 PrintWriter pw = new PrintWriter(fout); 735 try { 736 return dumpMemInfo(fd, pw, args); 737 } finally { 738 pw.flush(); 739 } 740 } 741 742 private Debug.MemoryInfo dumpMemInfo(FileDescriptor fd, PrintWriter pw, String[] args) { 743 long nativeMax = Debug.getNativeHeapSize() / 1024; 744 long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024; 745 long nativeFree = Debug.getNativeHeapFreeSize() / 1024; 746 747 Debug.MemoryInfo memInfo = new Debug.MemoryInfo(); 748 Debug.getMemoryInfo(memInfo); 749 750 Runtime runtime = Runtime.getRuntime(); 751 752 long dalvikMax = runtime.totalMemory() / 1024; 753 long dalvikFree = runtime.freeMemory() / 1024; 754 long dalvikAllocated = dalvikMax - dalvikFree; 755 long viewInstanceCount = ViewDebug.getViewInstanceCount(); 756 long viewRootInstanceCount = ViewDebug.getViewAncestorInstanceCount(); 757 long appContextInstanceCount = Debug.countInstancesOfClass(ContextImpl.class); 758 long activityInstanceCount = Debug.countInstancesOfClass(Activity.class); 759 int globalAssetCount = AssetManager.getGlobalAssetCount(); 760 int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount(); 761 int binderLocalObjectCount = Debug.getBinderLocalObjectCount(); 762 int binderProxyObjectCount = Debug.getBinderProxyObjectCount(); 763 int binderDeathObjectCount = Debug.getBinderDeathObjectCount(); 764 long openSslSocketCount = Debug.countInstancesOfClass(OpenSSLSocketImpl.class); 765 long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024; 766 SQLiteDebug.PagerStats stats = SQLiteDebug.getDatabaseInfo(); 767 768 // Check to see if we were called by checkin server. If so, print terse format. 769 boolean doCheckinFormat = false; 770 if (args != null) { 771 for (String arg : args) { 772 if ("-c".equals(arg)) doCheckinFormat = true; 773 } 774 } 775 776 // For checkin, we print one long comma-separated list of values 777 if (doCheckinFormat) { 778 // NOTE: if you change anything significant below, also consider changing 779 // ACTIVITY_THREAD_CHECKIN_VERSION. 780 String processName = (mBoundApplication != null) 781 ? mBoundApplication.processName : "unknown"; 782 783 // Header 784 pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(','); 785 pw.print(Process.myPid()); pw.print(','); 786 pw.print(processName); pw.print(','); 787 788 // Heap info - max 789 pw.print(nativeMax); pw.print(','); 790 pw.print(dalvikMax); pw.print(','); 791 pw.print("N/A,"); 792 pw.print(nativeMax + dalvikMax); pw.print(','); 793 794 // Heap info - allocated 795 pw.print(nativeAllocated); pw.print(','); 796 pw.print(dalvikAllocated); pw.print(','); 797 pw.print("N/A,"); 798 pw.print(nativeAllocated + dalvikAllocated); pw.print(','); 799 800 // Heap info - free 801 pw.print(nativeFree); pw.print(','); 802 pw.print(dalvikFree); pw.print(','); 803 pw.print("N/A,"); 804 pw.print(nativeFree + dalvikFree); pw.print(','); 805 806 // Heap info - proportional set size 807 pw.print(memInfo.nativePss); pw.print(','); 808 pw.print(memInfo.dalvikPss); pw.print(','); 809 pw.print(memInfo.otherPss); pw.print(','); 810 pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(','); 811 812 // Heap info - shared 813 pw.print(memInfo.nativeSharedDirty); pw.print(','); 814 pw.print(memInfo.dalvikSharedDirty); pw.print(','); 815 pw.print(memInfo.otherSharedDirty); pw.print(','); 816 pw.print(memInfo.nativeSharedDirty + memInfo.dalvikSharedDirty 817 + memInfo.otherSharedDirty); pw.print(','); 818 819 // Heap info - private 820 pw.print(memInfo.nativePrivateDirty); pw.print(','); 821 pw.print(memInfo.dalvikPrivateDirty); pw.print(','); 822 pw.print(memInfo.otherPrivateDirty); pw.print(','); 823 pw.print(memInfo.nativePrivateDirty + memInfo.dalvikPrivateDirty 824 + memInfo.otherPrivateDirty); pw.print(','); 825 826 // Object counts 827 pw.print(viewInstanceCount); pw.print(','); 828 pw.print(viewRootInstanceCount); pw.print(','); 829 pw.print(appContextInstanceCount); pw.print(','); 830 pw.print(activityInstanceCount); pw.print(','); 831 832 pw.print(globalAssetCount); pw.print(','); 833 pw.print(globalAssetManagerCount); pw.print(','); 834 pw.print(binderLocalObjectCount); pw.print(','); 835 pw.print(binderProxyObjectCount); pw.print(','); 836 837 pw.print(binderDeathObjectCount); pw.print(','); 838 pw.print(openSslSocketCount); pw.print(','); 839 840 // SQL 841 pw.print(sqliteAllocated); pw.print(','); 842 pw.print(stats.memoryUsed / 1024); pw.print(','); 843 pw.print(stats.pageCacheOverflo / 1024); pw.print(','); 844 pw.print(stats.largestMemAlloc / 1024); pw.print(','); 845 for (int i = 0; i < stats.dbStats.size(); i++) { 846 DbStats dbStats = stats.dbStats.get(i); 847 printRow(pw, DB_INFO_FORMAT, dbStats.pageSize, dbStats.dbSize, 848 dbStats.lookaside, dbStats.cache, dbStats.dbName); 849 pw.print(','); 850 } 851 852 return memInfo; 853 } 854 855 // otherwise, show human-readable format 856 printRow(pw, HEAP_COLUMN, "", "", "Shared", "Private", "Heap", "Heap", "Heap"); 857 printRow(pw, HEAP_COLUMN, "", "Pss", "Dirty", "Dirty", "Size", "Alloc", "Free"); 858 printRow(pw, HEAP_COLUMN, "", "------", "------", "------", "------", "------", 859 "------"); 860 printRow(pw, HEAP_COLUMN, "Native", memInfo.nativePss, memInfo.nativeSharedDirty, 861 memInfo.nativePrivateDirty, nativeMax, nativeAllocated, nativeFree); 862 printRow(pw, HEAP_COLUMN, "Dalvik", memInfo.dalvikPss, memInfo.dalvikSharedDirty, 863 memInfo.dalvikPrivateDirty, dalvikMax, dalvikAllocated, dalvikFree); 864 865 int otherPss = memInfo.otherPss; 866 int otherSharedDirty = memInfo.otherSharedDirty; 867 int otherPrivateDirty = memInfo.otherPrivateDirty; 868 869 for (int i=0; i<Debug.MemoryInfo.NUM_OTHER_STATS; i++) { 870 printRow(pw, HEAP_COLUMN, memInfo.getOtherLabel(i), 871 memInfo.getOtherPss(i), memInfo.getOtherSharedDirty(i), 872 memInfo.getOtherPrivateDirty(i), "", "", ""); 873 otherPss -= memInfo.getOtherPss(i); 874 otherSharedDirty -= memInfo.getOtherSharedDirty(i); 875 otherPrivateDirty -= memInfo.getOtherPrivateDirty(i); 876 } 877 878 printRow(pw, HEAP_COLUMN, "Unknown", otherPss, otherSharedDirty, 879 otherPrivateDirty, "", "", ""); 880 printRow(pw, HEAP_COLUMN, "TOTAL", memInfo.getTotalPss(), 881 memInfo.getTotalSharedDirty(), memInfo.getTotalPrivateDirty(), 882 nativeMax+dalvikMax, nativeAllocated+dalvikAllocated, 883 nativeFree+dalvikFree); 884 885 pw.println(" "); 886 pw.println(" Objects"); 887 printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewAncestors:", 888 viewRootInstanceCount); 889 890 printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount, 891 "Activities:", activityInstanceCount); 892 893 printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount, 894 "AssetManagers:", globalAssetManagerCount); 895 896 printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount, 897 "Proxy Binders:", binderProxyObjectCount); 898 printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount); 899 900 printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount); 901 902 // SQLite mem info 903 pw.println(" "); 904 pw.println(" SQL"); 905 printRow(pw, TWO_COUNT_COLUMNS_DB, "heap:", sqliteAllocated, "MEMORY_USED:", 906 stats.memoryUsed / 1024); 907 printRow(pw, TWO_COUNT_COLUMNS_DB, "PAGECACHE_OVERFLOW:", 908 stats.pageCacheOverflo / 1024, "MALLOC_SIZE:", stats.largestMemAlloc / 1024); 909 pw.println(" "); 910 int N = stats.dbStats.size(); 911 if (N > 0) { 912 pw.println(" DATABASES"); 913 printRow(pw, " %8s %8s %14s %14s %s", "pgsz", "dbsz", "Lookaside(b)", "cache", 914 "Dbname"); 915 for (int i = 0; i < N; i++) { 916 DbStats dbStats = stats.dbStats.get(i); 917 printRow(pw, DB_INFO_FORMAT, 918 (dbStats.pageSize > 0) ? String.valueOf(dbStats.pageSize) : " ", 919 (dbStats.dbSize > 0) ? String.valueOf(dbStats.dbSize) : " ", 920 (dbStats.lookaside > 0) ? String.valueOf(dbStats.lookaside) : " ", 921 dbStats.cache, dbStats.dbName); 922 } 923 } 924 925 // Asset details. 926 String assetAlloc = AssetManager.getAssetAllocations(); 927 if (assetAlloc != null) { 928 pw.println(" "); 929 pw.println(" Asset Allocations"); 930 pw.print(assetAlloc); 931 } 932 933 return memInfo; 934 } 935 936 @Override 937 public void dumpGfxInfo(FileDescriptor fd, String[] args) { 938 dumpGraphicsInfo(fd); 939 } 940 941 private void printRow(PrintWriter pw, String format, Object...objs) { 942 pw.println(String.format(format, objs)); 943 } 944 945 public void setCoreSettings(Bundle coreSettings) { 946 queueOrSendMessage(H.SET_CORE_SETTINGS, coreSettings); 947 } 948 949 public void updatePackageCompatibilityInfo(String pkg, CompatibilityInfo info) { 950 UpdateCompatibilityData ucd = new UpdateCompatibilityData(); 951 ucd.pkg = pkg; 952 ucd.info = info; 953 queueOrSendMessage(H.UPDATE_PACKAGE_COMPATIBILITY_INFO, ucd); 954 } 955 956 public void scheduleTrimMemory(int level) { 957 queueOrSendMessage(H.TRIM_MEMORY, level); 958 } 959 } 960 961 private final class H extends Handler { 962 public static final int LAUNCH_ACTIVITY = 100; 963 public static final int PAUSE_ACTIVITY = 101; 964 public static final int PAUSE_ACTIVITY_FINISHING= 102; 965 public static final int STOP_ACTIVITY_SHOW = 103; 966 public static final int STOP_ACTIVITY_HIDE = 104; 967 public static final int SHOW_WINDOW = 105; 968 public static final int HIDE_WINDOW = 106; 969 public static final int RESUME_ACTIVITY = 107; 970 public static final int SEND_RESULT = 108; 971 public static final int DESTROY_ACTIVITY = 109; 972 public static final int BIND_APPLICATION = 110; 973 public static final int EXIT_APPLICATION = 111; 974 public static final int NEW_INTENT = 112; 975 public static final int RECEIVER = 113; 976 public static final int CREATE_SERVICE = 114; 977 public static final int SERVICE_ARGS = 115; 978 public static final int STOP_SERVICE = 116; 979 public static final int REQUEST_THUMBNAIL = 117; 980 public static final int CONFIGURATION_CHANGED = 118; 981 public static final int CLEAN_UP_CONTEXT = 119; 982 public static final int GC_WHEN_IDLE = 120; 983 public static final int BIND_SERVICE = 121; 984 public static final int UNBIND_SERVICE = 122; 985 public static final int DUMP_SERVICE = 123; 986 public static final int LOW_MEMORY = 124; 987 public static final int ACTIVITY_CONFIGURATION_CHANGED = 125; 988 public static final int RELAUNCH_ACTIVITY = 126; 989 public static final int PROFILER_CONTROL = 127; 990 public static final int CREATE_BACKUP_AGENT = 128; 991 public static final int DESTROY_BACKUP_AGENT = 129; 992 public static final int SUICIDE = 130; 993 public static final int REMOVE_PROVIDER = 131; 994 public static final int ENABLE_JIT = 132; 995 public static final int DISPATCH_PACKAGE_BROADCAST = 133; 996 public static final int SCHEDULE_CRASH = 134; 997 public static final int DUMP_HEAP = 135; 998 public static final int DUMP_ACTIVITY = 136; 999 public static final int SLEEPING = 137; 1000 public static final int SET_CORE_SETTINGS = 138; 1001 public static final int UPDATE_PACKAGE_COMPATIBILITY_INFO = 139; 1002 public static final int TRIM_MEMORY = 140; 1003 String codeToString(int code) { 1004 if (DEBUG_MESSAGES) { 1005 switch (code) { 1006 case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY"; 1007 case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY"; 1008 case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING"; 1009 case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW"; 1010 case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE"; 1011 case SHOW_WINDOW: return "SHOW_WINDOW"; 1012 case HIDE_WINDOW: return "HIDE_WINDOW"; 1013 case RESUME_ACTIVITY: return "RESUME_ACTIVITY"; 1014 case SEND_RESULT: return "SEND_RESULT"; 1015 case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY"; 1016 case BIND_APPLICATION: return "BIND_APPLICATION"; 1017 case EXIT_APPLICATION: return "EXIT_APPLICATION"; 1018 case NEW_INTENT: return "NEW_INTENT"; 1019 case RECEIVER: return "RECEIVER"; 1020 case CREATE_SERVICE: return "CREATE_SERVICE"; 1021 case SERVICE_ARGS: return "SERVICE_ARGS"; 1022 case STOP_SERVICE: return "STOP_SERVICE"; 1023 case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL"; 1024 case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED"; 1025 case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT"; 1026 case GC_WHEN_IDLE: return "GC_WHEN_IDLE"; 1027 case BIND_SERVICE: return "BIND_SERVICE"; 1028 case UNBIND_SERVICE: return "UNBIND_SERVICE"; 1029 case DUMP_SERVICE: return "DUMP_SERVICE"; 1030 case LOW_MEMORY: return "LOW_MEMORY"; 1031 case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED"; 1032 case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY"; 1033 case PROFILER_CONTROL: return "PROFILER_CONTROL"; 1034 case CREATE_BACKUP_AGENT: return "CREATE_BACKUP_AGENT"; 1035 case DESTROY_BACKUP_AGENT: return "DESTROY_BACKUP_AGENT"; 1036 case SUICIDE: return "SUICIDE"; 1037 case REMOVE_PROVIDER: return "REMOVE_PROVIDER"; 1038 case ENABLE_JIT: return "ENABLE_JIT"; 1039 case DISPATCH_PACKAGE_BROADCAST: return "DISPATCH_PACKAGE_BROADCAST"; 1040 case SCHEDULE_CRASH: return "SCHEDULE_CRASH"; 1041 case DUMP_HEAP: return "DUMP_HEAP"; 1042 case DUMP_ACTIVITY: return "DUMP_ACTIVITY"; 1043 case SLEEPING: return "SLEEPING"; 1044 case SET_CORE_SETTINGS: return "SET_CORE_SETTINGS"; 1045 case UPDATE_PACKAGE_COMPATIBILITY_INFO: return "UPDATE_PACKAGE_COMPATIBILITY_INFO"; 1046 case TRIM_MEMORY: return "TRIM_MEMORY"; 1047 } 1048 } 1049 return "(unknown)"; 1050 } 1051 public void handleMessage(Message msg) { 1052 if (DEBUG_MESSAGES) Slog.v(TAG, ">>> handling: " + msg.what); 1053 switch (msg.what) { 1054 case LAUNCH_ACTIVITY: { 1055 ActivityClientRecord r = (ActivityClientRecord)msg.obj; 1056 1057 r.packageInfo = getPackageInfoNoCheck( 1058 r.activityInfo.applicationInfo, r.compatInfo); 1059 handleLaunchActivity(r, null); 1060 } break; 1061 case RELAUNCH_ACTIVITY: { 1062 ActivityClientRecord r = (ActivityClientRecord)msg.obj; 1063 handleRelaunchActivity(r); 1064 } break; 1065 case PAUSE_ACTIVITY: 1066 handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2); 1067 maybeSnapshot(); 1068 break; 1069 case PAUSE_ACTIVITY_FINISHING: 1070 handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2); 1071 break; 1072 case STOP_ACTIVITY_SHOW: 1073 handleStopActivity((IBinder)msg.obj, true, msg.arg2); 1074 break; 1075 case STOP_ACTIVITY_HIDE: 1076 handleStopActivity((IBinder)msg.obj, false, msg.arg2); 1077 break; 1078 case SHOW_WINDOW: 1079 handleWindowVisibility((IBinder)msg.obj, true); 1080 break; 1081 case HIDE_WINDOW: 1082 handleWindowVisibility((IBinder)msg.obj, false); 1083 break; 1084 case RESUME_ACTIVITY: 1085 handleResumeActivity((IBinder)msg.obj, true, 1086 msg.arg1 != 0); 1087 break; 1088 case SEND_RESULT: 1089 handleSendResult((ResultData)msg.obj); 1090 break; 1091 case DESTROY_ACTIVITY: 1092 handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0, 1093 msg.arg2, false); 1094 break; 1095 case BIND_APPLICATION: 1096 AppBindData data = (AppBindData)msg.obj; 1097 handleBindApplication(data); 1098 break; 1099 case EXIT_APPLICATION: 1100 if (mInitialApplication != null) { 1101 mInitialApplication.onTerminate(); 1102 } 1103 Looper.myLooper().quit(); 1104 break; 1105 case NEW_INTENT: 1106 handleNewIntent((NewIntentData)msg.obj); 1107 break; 1108 case RECEIVER: 1109 handleReceiver((ReceiverData)msg.obj); 1110 maybeSnapshot(); 1111 break; 1112 case CREATE_SERVICE: 1113 handleCreateService((CreateServiceData)msg.obj); 1114 break; 1115 case BIND_SERVICE: 1116 handleBindService((BindServiceData)msg.obj); 1117 break; 1118 case UNBIND_SERVICE: 1119 handleUnbindService((BindServiceData)msg.obj); 1120 break; 1121 case SERVICE_ARGS: 1122 handleServiceArgs((ServiceArgsData)msg.obj); 1123 break; 1124 case STOP_SERVICE: 1125 handleStopService((IBinder)msg.obj); 1126 maybeSnapshot(); 1127 break; 1128 case REQUEST_THUMBNAIL: 1129 handleRequestThumbnail((IBinder)msg.obj); 1130 break; 1131 case CONFIGURATION_CHANGED: 1132 handleConfigurationChanged((Configuration)msg.obj, null); 1133 break; 1134 case CLEAN_UP_CONTEXT: 1135 ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj; 1136 cci.context.performFinalCleanup(cci.who, cci.what); 1137 break; 1138 case GC_WHEN_IDLE: 1139 scheduleGcIdler(); 1140 break; 1141 case DUMP_SERVICE: 1142 handleDumpService((DumpComponentInfo)msg.obj); 1143 break; 1144 case LOW_MEMORY: 1145 handleLowMemory(); 1146 break; 1147 case ACTIVITY_CONFIGURATION_CHANGED: 1148 handleActivityConfigurationChanged((IBinder)msg.obj); 1149 break; 1150 case PROFILER_CONTROL: 1151 handleProfilerControl(msg.arg1 != 0, (ProfilerControlData)msg.obj); 1152 break; 1153 case CREATE_BACKUP_AGENT: 1154 handleCreateBackupAgent((CreateBackupAgentData)msg.obj); 1155 break; 1156 case DESTROY_BACKUP_AGENT: 1157 handleDestroyBackupAgent((CreateBackupAgentData)msg.obj); 1158 break; 1159 case SUICIDE: 1160 Process.killProcess(Process.myPid()); 1161 break; 1162 case REMOVE_PROVIDER: 1163 completeRemoveProvider((IContentProvider)msg.obj); 1164 break; 1165 case ENABLE_JIT: 1166 ensureJitEnabled(); 1167 break; 1168 case DISPATCH_PACKAGE_BROADCAST: 1169 handleDispatchPackageBroadcast(msg.arg1, (String[])msg.obj); 1170 break; 1171 case SCHEDULE_CRASH: 1172 throw new RemoteServiceException((String)msg.obj); 1173 case DUMP_HEAP: 1174 handleDumpHeap(msg.arg1 != 0, (DumpHeapData)msg.obj); 1175 break; 1176 case DUMP_ACTIVITY: 1177 handleDumpActivity((DumpComponentInfo)msg.obj); 1178 break; 1179 case SLEEPING: 1180 handleSleeping((IBinder)msg.obj, msg.arg1 != 0); 1181 break; 1182 case SET_CORE_SETTINGS: 1183 handleSetCoreSettings((Bundle) msg.obj); 1184 break; 1185 case UPDATE_PACKAGE_COMPATIBILITY_INFO: 1186 handleUpdatePackageCompatibilityInfo((UpdateCompatibilityData)msg.obj); 1187 case TRIM_MEMORY: 1188 handleTrimMemory(msg.arg1); 1189 } 1190 if (DEBUG_MESSAGES) Slog.v(TAG, "<<< done: " + msg.what); 1191 } 1192 1193 private void maybeSnapshot() { 1194 if (mBoundApplication != null && SamplingProfilerIntegration.isEnabled()) { 1195 // convert the *private* ActivityThread.PackageInfo to *public* known 1196 // android.content.pm.PackageInfo 1197 String packageName = mBoundApplication.info.mPackageName; 1198 android.content.pm.PackageInfo packageInfo = null; 1199 try { 1200 Context context = getSystemContext(); 1201 if(context == null) { 1202 Log.e(TAG, "cannot get a valid context"); 1203 return; 1204 } 1205 PackageManager pm = context.getPackageManager(); 1206 if(pm == null) { 1207 Log.e(TAG, "cannot get a valid PackageManager"); 1208 return; 1209 } 1210 packageInfo = pm.getPackageInfo( 1211 packageName, PackageManager.GET_ACTIVITIES); 1212 } catch (NameNotFoundException e) { 1213 Log.e(TAG, "cannot get package info for " + packageName, e); 1214 } 1215 SamplingProfilerIntegration.writeSnapshot(mBoundApplication.processName, packageInfo); 1216 } 1217 } 1218 } 1219 1220 private final class Idler implements MessageQueue.IdleHandler { 1221 public final boolean queueIdle() { 1222 ActivityClientRecord a = mNewActivities; 1223 if (a != null) { 1224 mNewActivities = null; 1225 IActivityManager am = ActivityManagerNative.getDefault(); 1226 ActivityClientRecord prev; 1227 do { 1228 if (localLOGV) Slog.v( 1229 TAG, "Reporting idle of " + a + 1230 " finished=" + 1231 (a.activity != null ? a.activity.mFinished : false)); 1232 if (a.activity != null && !a.activity.mFinished) { 1233 try { 1234 am.activityIdle(a.token, a.createdConfig); 1235 a.createdConfig = null; 1236 } catch (RemoteException ex) { 1237 } 1238 } 1239 prev = a; 1240 a = a.nextIdle; 1241 prev.nextIdle = null; 1242 } while (a != null); 1243 } 1244 ensureJitEnabled(); 1245 return false; 1246 } 1247 } 1248 1249 final class GcIdler implements MessageQueue.IdleHandler { 1250 public final boolean queueIdle() { 1251 doGcIfNeeded(); 1252 return false; 1253 } 1254 } 1255 1256 private final static class ResourcesKey { 1257 final private String mResDir; 1258 final private float mScale; 1259 final private int mHash; 1260 1261 ResourcesKey(String resDir, float scale) { 1262 mResDir = resDir; 1263 mScale = scale; 1264 mHash = mResDir.hashCode() << 2 + (int) (mScale * 2); 1265 } 1266 1267 @Override 1268 public int hashCode() { 1269 return mHash; 1270 } 1271 1272 @Override 1273 public boolean equals(Object obj) { 1274 if (!(obj instanceof ResourcesKey)) { 1275 return false; 1276 } 1277 ResourcesKey peer = (ResourcesKey) obj; 1278 return mResDir.equals(peer.mResDir) && mScale == peer.mScale; 1279 } 1280 } 1281 1282 public static final ActivityThread currentActivityThread() { 1283 return sThreadLocal.get(); 1284 } 1285 1286 public static final String currentPackageName() { 1287 ActivityThread am = currentActivityThread(); 1288 return (am != null && am.mBoundApplication != null) 1289 ? am.mBoundApplication.processName : null; 1290 } 1291 1292 public static final Application currentApplication() { 1293 ActivityThread am = currentActivityThread(); 1294 return am != null ? am.mInitialApplication : null; 1295 } 1296 1297 public static IPackageManager getPackageManager() { 1298 if (sPackageManager != null) { 1299 //Slog.v("PackageManager", "returning cur default = " + sPackageManager); 1300 return sPackageManager; 1301 } 1302 IBinder b = ServiceManager.getService("package"); 1303 //Slog.v("PackageManager", "default service binder = " + b); 1304 sPackageManager = IPackageManager.Stub.asInterface(b); 1305 //Slog.v("PackageManager", "default service = " + sPackageManager); 1306 return sPackageManager; 1307 } 1308 1309 DisplayMetrics getDisplayMetricsLocked(CompatibilityInfo ci, boolean forceUpdate) { 1310 DisplayMetrics dm = mDisplayMetrics.get(ci); 1311 if (dm != null && !forceUpdate) { 1312 return dm; 1313 } 1314 if (dm == null) { 1315 dm = new DisplayMetrics(); 1316 mDisplayMetrics.put(ci, dm); 1317 } 1318 Display d = WindowManagerImpl.getDefault(ci).getDefaultDisplay(); 1319 d.getMetrics(dm); 1320 //Slog.i("foo", "New metrics: w=" + metrics.widthPixels + " h=" 1321 // + metrics.heightPixels + " den=" + metrics.density 1322 // + " xdpi=" + metrics.xdpi + " ydpi=" + metrics.ydpi); 1323 return dm; 1324 } 1325 1326 static Configuration applyConfigCompat(Configuration config, CompatibilityInfo compat) { 1327 if (config == null) { 1328 return null; 1329 } 1330 if (compat != null && !compat.supportsScreen()) { 1331 config = new Configuration(config); 1332 compat.applyToConfiguration(config); 1333 } 1334 return config; 1335 } 1336 1337 private final Configuration mMainThreadConfig = new Configuration(); 1338 Configuration applyConfigCompatMainThread(Configuration config, CompatibilityInfo compat) { 1339 if (config == null) { 1340 return null; 1341 } 1342 if (compat != null && !compat.supportsScreen()) { 1343 mMainThreadConfig.setTo(config); 1344 config = mMainThreadConfig; 1345 compat.applyToConfiguration(config); 1346 } 1347 return config; 1348 } 1349 1350 /** 1351 * Creates the top level Resources for applications with the given compatibility info. 1352 * 1353 * @param resDir the resource directory. 1354 * @param compInfo the compability info. It will use the default compatibility info when it's 1355 * null. 1356 */ 1357 Resources getTopLevelResources(String resDir, CompatibilityInfo compInfo) { 1358 ResourcesKey key = new ResourcesKey(resDir, compInfo.applicationScale); 1359 Resources r; 1360 synchronized (mPackages) { 1361 // Resources is app scale dependent. 1362 if (false) { 1363 Slog.w(TAG, "getTopLevelResources: " + resDir + " / " 1364 + compInfo.applicationScale); 1365 } 1366 WeakReference<Resources> wr = mActiveResources.get(key); 1367 r = wr != null ? wr.get() : null; 1368 //if (r != null) Slog.i(TAG, "isUpToDate " + resDir + ": " + r.getAssets().isUpToDate()); 1369 if (r != null && r.getAssets().isUpToDate()) { 1370 if (false) { 1371 Slog.w(TAG, "Returning cached resources " + r + " " + resDir 1372 + ": appScale=" + r.getCompatibilityInfo().applicationScale); 1373 } 1374 return r; 1375 } 1376 } 1377 1378 //if (r != null) { 1379 // Slog.w(TAG, "Throwing away out-of-date resources!!!! " 1380 // + r + " " + resDir); 1381 //} 1382 1383 AssetManager assets = new AssetManager(); 1384 if (assets.addAssetPath(resDir) == 0) { 1385 return null; 1386 } 1387 1388 //Slog.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics); 1389 DisplayMetrics metrics = getDisplayMetricsLocked(compInfo, false); 1390 r = new Resources(assets, metrics, getConfiguration(), compInfo); 1391 if (false) { 1392 Slog.i(TAG, "Created app resources " + resDir + " " + r + ": " 1393 + r.getConfiguration() + " appScale=" 1394 + r.getCompatibilityInfo().applicationScale); 1395 } 1396 1397 synchronized (mPackages) { 1398 WeakReference<Resources> wr = mActiveResources.get(key); 1399 Resources existing = wr != null ? wr.get() : null; 1400 if (existing != null && existing.getAssets().isUpToDate()) { 1401 // Someone else already created the resources while we were 1402 // unlocked; go ahead and use theirs. 1403 r.getAssets().close(); 1404 return existing; 1405 } 1406 1407 // XXX need to remove entries when weak references go away 1408 mActiveResources.put(key, new WeakReference<Resources>(r)); 1409 return r; 1410 } 1411 } 1412 1413 /** 1414 * Creates the top level resources for the given package. 1415 */ 1416 Resources getTopLevelResources(String resDir, LoadedApk pkgInfo) { 1417 return getTopLevelResources(resDir, pkgInfo.mCompatibilityInfo.get()); 1418 } 1419 1420 final Handler getHandler() { 1421 return mH; 1422 } 1423 1424 public final LoadedApk getPackageInfo(String packageName, CompatibilityInfo compatInfo, 1425 int flags) { 1426 synchronized (mPackages) { 1427 WeakReference<LoadedApk> ref; 1428 if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) { 1429 ref = mPackages.get(packageName); 1430 } else { 1431 ref = mResourcePackages.get(packageName); 1432 } 1433 LoadedApk packageInfo = ref != null ? ref.get() : null; 1434 //Slog.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo); 1435 //if (packageInfo != null) Slog.i(TAG, "isUptoDate " + packageInfo.mResDir 1436 // + ": " + packageInfo.mResources.getAssets().isUpToDate()); 1437 if (packageInfo != null && (packageInfo.mResources == null 1438 || packageInfo.mResources.getAssets().isUpToDate())) { 1439 if (packageInfo.isSecurityViolation() 1440 && (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) { 1441 throw new SecurityException( 1442 "Requesting code from " + packageName 1443 + " to be run in process " 1444 + mBoundApplication.processName 1445 + "/" + mBoundApplication.appInfo.uid); 1446 } 1447 return packageInfo; 1448 } 1449 } 1450 1451 ApplicationInfo ai = null; 1452 try { 1453 ai = getPackageManager().getApplicationInfo(packageName, 1454 PackageManager.GET_SHARED_LIBRARY_FILES); 1455 } catch (RemoteException e) { 1456 } 1457 1458 if (ai != null) { 1459 return getPackageInfo(ai, compatInfo, flags); 1460 } 1461 1462 return null; 1463 } 1464 1465 public final LoadedApk getPackageInfo(ApplicationInfo ai, CompatibilityInfo compatInfo, 1466 int flags) { 1467 boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0; 1468 boolean securityViolation = includeCode && ai.uid != 0 1469 && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null 1470 ? ai.uid != mBoundApplication.appInfo.uid : true); 1471 if ((flags&(Context.CONTEXT_INCLUDE_CODE 1472 |Context.CONTEXT_IGNORE_SECURITY)) 1473 == Context.CONTEXT_INCLUDE_CODE) { 1474 if (securityViolation) { 1475 String msg = "Requesting code from " + ai.packageName 1476 + " (with uid " + ai.uid + ")"; 1477 if (mBoundApplication != null) { 1478 msg = msg + " to be run in process " 1479 + mBoundApplication.processName + " (with uid " 1480 + mBoundApplication.appInfo.uid + ")"; 1481 } 1482 throw new SecurityException(msg); 1483 } 1484 } 1485 return getPackageInfo(ai, compatInfo, null, securityViolation, includeCode); 1486 } 1487 1488 public final LoadedApk getPackageInfoNoCheck(ApplicationInfo ai, 1489 CompatibilityInfo compatInfo) { 1490 return getPackageInfo(ai, compatInfo, null, false, true); 1491 } 1492 1493 public final LoadedApk peekPackageInfo(String packageName, boolean includeCode) { 1494 synchronized (mPackages) { 1495 WeakReference<LoadedApk> ref; 1496 if (includeCode) { 1497 ref = mPackages.get(packageName); 1498 } else { 1499 ref = mResourcePackages.get(packageName); 1500 } 1501 return ref != null ? ref.get() : null; 1502 } 1503 } 1504 1505 private final LoadedApk getPackageInfo(ApplicationInfo aInfo, CompatibilityInfo compatInfo, 1506 ClassLoader baseLoader, boolean securityViolation, boolean includeCode) { 1507 synchronized (mPackages) { 1508 WeakReference<LoadedApk> ref; 1509 if (includeCode) { 1510 ref = mPackages.get(aInfo.packageName); 1511 } else { 1512 ref = mResourcePackages.get(aInfo.packageName); 1513 } 1514 LoadedApk packageInfo = ref != null ? ref.get() : null; 1515 if (packageInfo == null || (packageInfo.mResources != null 1516 && !packageInfo.mResources.getAssets().isUpToDate())) { 1517 if (localLOGV) Slog.v(TAG, (includeCode ? "Loading code package " 1518 : "Loading resource-only package ") + aInfo.packageName 1519 + " (in " + (mBoundApplication != null 1520 ? mBoundApplication.processName : null) 1521 + ")"); 1522 packageInfo = 1523 new LoadedApk(this, aInfo, compatInfo, this, baseLoader, 1524 securityViolation, includeCode && 1525 (aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0); 1526 if (includeCode) { 1527 mPackages.put(aInfo.packageName, 1528 new WeakReference<LoadedApk>(packageInfo)); 1529 } else { 1530 mResourcePackages.put(aInfo.packageName, 1531 new WeakReference<LoadedApk>(packageInfo)); 1532 } 1533 } 1534 return packageInfo; 1535 } 1536 } 1537 1538 ActivityThread() { 1539 } 1540 1541 public ApplicationThread getApplicationThread() 1542 { 1543 return mAppThread; 1544 } 1545 1546 public Instrumentation getInstrumentation() 1547 { 1548 return mInstrumentation; 1549 } 1550 1551 public Configuration getConfiguration() { 1552 return mResConfiguration; 1553 } 1554 1555 public boolean isProfiling() { 1556 return mBoundApplication != null && mBoundApplication.profileFile != null; 1557 } 1558 1559 public String getProfileFilePath() { 1560 return mBoundApplication.profileFile; 1561 } 1562 1563 public Looper getLooper() { 1564 return mLooper; 1565 } 1566 1567 public Application getApplication() { 1568 return mInitialApplication; 1569 } 1570 1571 public String getProcessName() { 1572 return mBoundApplication.processName; 1573 } 1574 1575 public ContextImpl getSystemContext() { 1576 synchronized (this) { 1577 if (mSystemContext == null) { 1578 ContextImpl context = 1579 ContextImpl.createSystemContext(this); 1580 LoadedApk info = new LoadedApk(this, "android", context, null, 1581 CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO); 1582 context.init(info, null, this); 1583 context.getResources().updateConfiguration( 1584 getConfiguration(), getDisplayMetricsLocked( 1585 CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, false)); 1586 mSystemContext = context; 1587 //Slog.i(TAG, "Created system resources " + context.getResources() 1588 // + ": " + context.getResources().getConfiguration()); 1589 } 1590 } 1591 return mSystemContext; 1592 } 1593 1594 public void installSystemApplicationInfo(ApplicationInfo info) { 1595 synchronized (this) { 1596 ContextImpl context = getSystemContext(); 1597 context.init(new LoadedApk(this, "android", context, info, 1598 CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO), null, this); 1599 } 1600 } 1601 1602 void ensureJitEnabled() { 1603 if (!mJitEnabled) { 1604 mJitEnabled = true; 1605 dalvik.system.VMRuntime.getRuntime().startJitCompilation(); 1606 } 1607 } 1608 1609 void scheduleGcIdler() { 1610 if (!mGcIdlerScheduled) { 1611 mGcIdlerScheduled = true; 1612 Looper.myQueue().addIdleHandler(mGcIdler); 1613 } 1614 mH.removeMessages(H.GC_WHEN_IDLE); 1615 } 1616 1617 void unscheduleGcIdler() { 1618 if (mGcIdlerScheduled) { 1619 mGcIdlerScheduled = false; 1620 Looper.myQueue().removeIdleHandler(mGcIdler); 1621 } 1622 mH.removeMessages(H.GC_WHEN_IDLE); 1623 } 1624 1625 void doGcIfNeeded() { 1626 mGcIdlerScheduled = false; 1627 final long now = SystemClock.uptimeMillis(); 1628 //Slog.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime() 1629 // + "m now=" + now); 1630 if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) { 1631 //Slog.i(TAG, "**** WE DO, WE DO WANT TO GC!"); 1632 BinderInternal.forceGc("bg"); 1633 } 1634 } 1635 1636 public void registerOnActivityPausedListener(Activity activity, 1637 OnActivityPausedListener listener) { 1638 synchronized (mOnPauseListeners) { 1639 ArrayList<OnActivityPausedListener> list = mOnPauseListeners.get(activity); 1640 if (list == null) { 1641 list = new ArrayList<OnActivityPausedListener>(); 1642 mOnPauseListeners.put(activity, list); 1643 } 1644 list.add(listener); 1645 } 1646 } 1647 1648 public void unregisterOnActivityPausedListener(Activity activity, 1649 OnActivityPausedListener listener) { 1650 synchronized (mOnPauseListeners) { 1651 ArrayList<OnActivityPausedListener> list = mOnPauseListeners.get(activity); 1652 if (list != null) { 1653 list.remove(listener); 1654 } 1655 } 1656 } 1657 1658 public final ActivityInfo resolveActivityInfo(Intent intent) { 1659 ActivityInfo aInfo = intent.resolveActivityInfo( 1660 mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES); 1661 if (aInfo == null) { 1662 // Throw an exception. 1663 Instrumentation.checkStartActivityResult( 1664 IActivityManager.START_CLASS_NOT_FOUND, intent); 1665 } 1666 return aInfo; 1667 } 1668 1669 public final Activity startActivityNow(Activity parent, String id, 1670 Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state, 1671 Activity.NonConfigurationInstances lastNonConfigurationInstances) { 1672 ActivityClientRecord r = new ActivityClientRecord(); 1673 r.token = token; 1674 r.ident = 0; 1675 r.intent = intent; 1676 r.state = state; 1677 r.parent = parent; 1678 r.embeddedID = id; 1679 r.activityInfo = activityInfo; 1680 r.lastNonConfigurationInstances = lastNonConfigurationInstances; 1681 if (localLOGV) { 1682 ComponentName compname = intent.getComponent(); 1683 String name; 1684 if (compname != null) { 1685 name = compname.toShortString(); 1686 } else { 1687 name = "(Intent " + intent + ").getComponent() returned null"; 1688 } 1689 Slog.v(TAG, "Performing launch: action=" + intent.getAction() 1690 + ", comp=" + name 1691 + ", token=" + token); 1692 } 1693 return performLaunchActivity(r, null); 1694 } 1695 1696 public final Activity getActivity(IBinder token) { 1697 return mActivities.get(token).activity; 1698 } 1699 1700 public final void sendActivityResult( 1701 IBinder token, String id, int requestCode, 1702 int resultCode, Intent data) { 1703 if (DEBUG_RESULTS) Slog.v(TAG, "sendActivityResult: id=" + id 1704 + " req=" + requestCode + " res=" + resultCode + " data=" + data); 1705 ArrayList<ResultInfo> list = new ArrayList<ResultInfo>(); 1706 list.add(new ResultInfo(id, requestCode, resultCode, data)); 1707 mAppThread.scheduleSendResult(token, list); 1708 } 1709 1710 // if the thread hasn't started yet, we don't have the handler, so just 1711 // save the messages until we're ready. 1712 private final void queueOrSendMessage(int what, Object obj) { 1713 queueOrSendMessage(what, obj, 0, 0); 1714 } 1715 1716 private final void queueOrSendMessage(int what, Object obj, int arg1) { 1717 queueOrSendMessage(what, obj, arg1, 0); 1718 } 1719 1720 private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) { 1721 synchronized (this) { 1722 if (DEBUG_MESSAGES) Slog.v( 1723 TAG, "SCHEDULE " + what + " " + mH.codeToString(what) 1724 + ": " + arg1 + " / " + obj); 1725 Message msg = Message.obtain(); 1726 msg.what = what; 1727 msg.obj = obj; 1728 msg.arg1 = arg1; 1729 msg.arg2 = arg2; 1730 mH.sendMessage(msg); 1731 } 1732 } 1733 1734 final void scheduleContextCleanup(ContextImpl context, String who, 1735 String what) { 1736 ContextCleanupInfo cci = new ContextCleanupInfo(); 1737 cci.context = context; 1738 cci.who = who; 1739 cci.what = what; 1740 queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci); 1741 } 1742 1743 private final Activity performLaunchActivity(ActivityClientRecord r, Intent customIntent) { 1744 // System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")"); 1745 1746 ActivityInfo aInfo = r.activityInfo; 1747 if (r.packageInfo == null) { 1748 r.packageInfo = getPackageInfo(aInfo.applicationInfo, r.compatInfo, 1749 Context.CONTEXT_INCLUDE_CODE); 1750 } 1751 1752 ComponentName component = r.intent.getComponent(); 1753 if (component == null) { 1754 component = r.intent.resolveActivity( 1755 mInitialApplication.getPackageManager()); 1756 r.intent.setComponent(component); 1757 } 1758 1759 if (r.activityInfo.targetActivity != null) { 1760 component = new ComponentName(r.activityInfo.packageName, 1761 r.activityInfo.targetActivity); 1762 } 1763 1764 Activity activity = null; 1765 try { 1766 java.lang.ClassLoader cl = r.packageInfo.getClassLoader(); 1767 activity = mInstrumentation.newActivity( 1768 cl, component.getClassName(), r.intent); 1769 StrictMode.incrementExpectedActivityCount(activity.getClass()); 1770 r.intent.setExtrasClassLoader(cl); 1771 if (r.state != null) { 1772 r.state.setClassLoader(cl); 1773 } 1774 } catch (Exception e) { 1775 if (!mInstrumentation.onException(activity, e)) { 1776 throw new RuntimeException( 1777 "Unable to instantiate activity " + component 1778 + ": " + e.toString(), e); 1779 } 1780 } 1781 1782 try { 1783 Application app = r.packageInfo.makeApplication(false, mInstrumentation); 1784 1785 if (localLOGV) Slog.v(TAG, "Performing launch of " + r); 1786 if (localLOGV) Slog.v( 1787 TAG, r + ": app=" + app 1788 + ", appName=" + app.getPackageName() 1789 + ", pkg=" + r.packageInfo.getPackageName() 1790 + ", comp=" + r.intent.getComponent().toShortString() 1791 + ", dir=" + r.packageInfo.getAppDir()); 1792 1793 if (activity != null) { 1794 ContextImpl appContext = new ContextImpl(); 1795 appContext.init(r.packageInfo, r.token, this); 1796 appContext.setOuterContext(activity); 1797 CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager()); 1798 Configuration config = new Configuration(mCompatConfiguration); 1799 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Launching activity " 1800 + r.activityInfo.name + " with config " + config); 1801 activity.attach(appContext, this, getInstrumentation(), r.token, 1802 r.ident, app, r.intent, r.activityInfo, title, r.parent, 1803 r.embeddedID, r.lastNonConfigurationInstances, config); 1804 1805 if (customIntent != null) { 1806 activity.mIntent = customIntent; 1807 } 1808 r.lastNonConfigurationInstances = null; 1809 activity.mStartedActivity = false; 1810 int theme = r.activityInfo.getThemeResource(); 1811 if (theme != 0) { 1812 activity.setTheme(theme); 1813 } 1814 1815 activity.mCalled = false; 1816 mInstrumentation.callActivityOnCreate(activity, r.state); 1817 if (!activity.mCalled) { 1818 throw new SuperNotCalledException( 1819 "Activity " + r.intent.getComponent().toShortString() + 1820 " did not call through to super.onCreate()"); 1821 } 1822 r.activity = activity; 1823 r.stopped = true; 1824 if (!r.activity.mFinished) { 1825 activity.performStart(); 1826 r.stopped = false; 1827 } 1828 if (!r.activity.mFinished) { 1829 if (r.state != null) { 1830 mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state); 1831 } 1832 } 1833 if (!r.activity.mFinished) { 1834 activity.mCalled = false; 1835 mInstrumentation.callActivityOnPostCreate(activity, r.state); 1836 if (!activity.mCalled) { 1837 throw new SuperNotCalledException( 1838 "Activity " + r.intent.getComponent().toShortString() + 1839 " did not call through to super.onPostCreate()"); 1840 } 1841 } 1842 } 1843 r.paused = true; 1844 1845 mActivities.put(r.token, r); 1846 1847 } catch (SuperNotCalledException e) { 1848 throw e; 1849 1850 } catch (Exception e) { 1851 if (!mInstrumentation.onException(activity, e)) { 1852 throw new RuntimeException( 1853 "Unable to start activity " + component 1854 + ": " + e.toString(), e); 1855 } 1856 } 1857 1858 return activity; 1859 } 1860 1861 private final void handleLaunchActivity(ActivityClientRecord r, Intent customIntent) { 1862 // If we are getting ready to gc after going to the background, well 1863 // we are back active so skip it. 1864 unscheduleGcIdler(); 1865 1866 if (localLOGV) Slog.v( 1867 TAG, "Handling launch of " + r); 1868 Activity a = performLaunchActivity(r, customIntent); 1869 1870 if (a != null) { 1871 r.createdConfig = new Configuration(mConfiguration); 1872 Bundle oldState = r.state; 1873 handleResumeActivity(r.token, false, r.isForward); 1874 1875 if (!r.activity.mFinished && r.startsNotResumed) { 1876 // The activity manager actually wants this one to start out 1877 // paused, because it needs to be visible but isn't in the 1878 // foreground. We accomplish this by going through the 1879 // normal startup (because activities expect to go through 1880 // onResume() the first time they run, before their window 1881 // is displayed), and then pausing it. However, in this case 1882 // we do -not- need to do the full pause cycle (of freezing 1883 // and such) because the activity manager assumes it can just 1884 // retain the current state it has. 1885 try { 1886 r.activity.mCalled = false; 1887 mInstrumentation.callActivityOnPause(r.activity); 1888 // We need to keep around the original state, in case 1889 // we need to be created again. 1890 r.state = oldState; 1891 if (!r.activity.mCalled) { 1892 throw new SuperNotCalledException( 1893 "Activity " + r.intent.getComponent().toShortString() + 1894 " did not call through to super.onPause()"); 1895 } 1896 1897 } catch (SuperNotCalledException e) { 1898 throw e; 1899 1900 } catch (Exception e) { 1901 if (!mInstrumentation.onException(r.activity, e)) { 1902 throw new RuntimeException( 1903 "Unable to pause activity " 1904 + r.intent.getComponent().toShortString() 1905 + ": " + e.toString(), e); 1906 } 1907 } 1908 r.paused = true; 1909 } 1910 } else { 1911 // If there was an error, for any reason, tell the activity 1912 // manager to stop us. 1913 try { 1914 ActivityManagerNative.getDefault() 1915 .finishActivity(r.token, Activity.RESULT_CANCELED, null); 1916 } catch (RemoteException ex) { 1917 } 1918 } 1919 } 1920 1921 private final void deliverNewIntents(ActivityClientRecord r, 1922 List<Intent> intents) { 1923 final int N = intents.size(); 1924 for (int i=0; i<N; i++) { 1925 Intent intent = intents.get(i); 1926 intent.setExtrasClassLoader(r.activity.getClassLoader()); 1927 r.activity.mFragments.noteStateNotSaved(); 1928 mInstrumentation.callActivityOnNewIntent(r.activity, intent); 1929 } 1930 } 1931 1932 public final void performNewIntents(IBinder token, 1933 List<Intent> intents) { 1934 ActivityClientRecord r = mActivities.get(token); 1935 if (r != null) { 1936 final boolean resumed = !r.paused; 1937 if (resumed) { 1938 r.activity.mTemporaryPause = true; 1939 mInstrumentation.callActivityOnPause(r.activity); 1940 } 1941 deliverNewIntents(r, intents); 1942 if (resumed) { 1943 r.activity.performResume(); 1944 r.activity.mTemporaryPause = false; 1945 } 1946 } 1947 } 1948 1949 private final void handleNewIntent(NewIntentData data) { 1950 performNewIntents(data.token, data.intents); 1951 } 1952 1953 private static final ThreadLocal<Intent> sCurrentBroadcastIntent = new ThreadLocal<Intent>(); 1954 1955 /** 1956 * Return the Intent that's currently being handled by a 1957 * BroadcastReceiver on this thread, or null if none. 1958 * @hide 1959 */ 1960 public static Intent getIntentBeingBroadcast() { 1961 return sCurrentBroadcastIntent.get(); 1962 } 1963 1964 private final void handleReceiver(ReceiverData data) { 1965 // If we are getting ready to gc after going to the background, well 1966 // we are back active so skip it. 1967 unscheduleGcIdler(); 1968 1969 String component = data.intent.getComponent().getClassName(); 1970 1971 LoadedApk packageInfo = getPackageInfoNoCheck( 1972 data.info.applicationInfo, data.compatInfo); 1973 1974 IActivityManager mgr = ActivityManagerNative.getDefault(); 1975 1976 BroadcastReceiver receiver = null; 1977 try { 1978 java.lang.ClassLoader cl = packageInfo.getClassLoader(); 1979 data.intent.setExtrasClassLoader(cl); 1980 data.setExtrasClassLoader(cl); 1981 receiver = (BroadcastReceiver)cl.loadClass(component).newInstance(); 1982 } catch (Exception e) { 1983 if (DEBUG_BROADCAST) Slog.i(TAG, 1984 "Finishing failed broadcast to " + data.intent.getComponent()); 1985 data.sendFinished(mgr); 1986 throw new RuntimeException( 1987 "Unable to instantiate receiver " + component 1988 + ": " + e.toString(), e); 1989 } 1990 1991 try { 1992 Application app = packageInfo.makeApplication(false, mInstrumentation); 1993 1994 if (localLOGV) Slog.v( 1995 TAG, "Performing receive of " + data.intent 1996 + ": app=" + app 1997 + ", appName=" + app.getPackageName() 1998 + ", pkg=" + packageInfo.getPackageName() 1999 + ", comp=" + data.intent.getComponent().toShortString() 2000 + ", dir=" + packageInfo.getAppDir()); 2001 2002 ContextImpl context = (ContextImpl)app.getBaseContext(); 2003 sCurrentBroadcastIntent.set(data.intent); 2004 receiver.setPendingResult(data); 2005 receiver.onReceive(context.getReceiverRestrictedContext(), 2006 data.intent); 2007 } catch (Exception e) { 2008 if (DEBUG_BROADCAST) Slog.i(TAG, 2009 "Finishing failed broadcast to " + data.intent.getComponent()); 2010 data.sendFinished(mgr); 2011 if (!mInstrumentation.onException(receiver, e)) { 2012 throw new RuntimeException( 2013 "Unable to start receiver " + component 2014 + ": " + e.toString(), e); 2015 } 2016 } finally { 2017 sCurrentBroadcastIntent.set(null); 2018 } 2019 2020 if (receiver.getPendingResult() != null) { 2021 data.finish(); 2022 } 2023 } 2024 2025 // Instantiate a BackupAgent and tell it that it's alive 2026 private final void handleCreateBackupAgent(CreateBackupAgentData data) { 2027 if (DEBUG_BACKUP) Slog.v(TAG, "handleCreateBackupAgent: " + data); 2028 2029 // no longer idle; we have backup work to do 2030 unscheduleGcIdler(); 2031 2032 // instantiate the BackupAgent class named in the manifest 2033 LoadedApk packageInfo = getPackageInfoNoCheck(data.appInfo, data.compatInfo); 2034 String packageName = packageInfo.mPackageName; 2035 if (mBackupAgents.get(packageName) != null) { 2036 Slog.d(TAG, "BackupAgent " + " for " + packageName 2037 + " already exists"); 2038 return; 2039 } 2040 2041 BackupAgent agent = null; 2042 String classname = data.appInfo.backupAgentName; 2043 2044 // full backup operation but no app-supplied agent? use the default implementation 2045 if (classname == null && (data.backupMode == IApplicationThread.BACKUP_MODE_FULL 2046 || data.backupMode == IApplicationThread.BACKUP_MODE_RESTORE_FULL)) { 2047 classname = "android.app.backup.FullBackupAgent"; 2048 } 2049 2050 try { 2051 IBinder binder = null; 2052 try { 2053 if (DEBUG_BACKUP) Slog.v(TAG, "Initializing agent class " + classname); 2054 2055 java.lang.ClassLoader cl = packageInfo.getClassLoader(); 2056 agent = (BackupAgent) cl.loadClass(classname).newInstance(); 2057 2058 // set up the agent's context 2059 ContextImpl context = new ContextImpl(); 2060 context.init(packageInfo, null, this); 2061 context.setOuterContext(agent); 2062 agent.attach(context); 2063 2064 agent.onCreate(); 2065 binder = agent.onBind(); 2066 mBackupAgents.put(packageName, agent); 2067 } catch (Exception e) { 2068 // If this is during restore, fail silently; otherwise go 2069 // ahead and let the user see the crash. 2070 Slog.e(TAG, "Agent threw during creation: " + e); 2071 if (data.backupMode != IApplicationThread.BACKUP_MODE_RESTORE 2072 && data.backupMode != IApplicationThread.BACKUP_MODE_RESTORE_FULL) { 2073 throw e; 2074 } 2075 // falling through with 'binder' still null 2076 } 2077 2078 // tell the OS that we're live now 2079 try { 2080 ActivityManagerNative.getDefault().backupAgentCreated(packageName, binder); 2081 } catch (RemoteException e) { 2082 // nothing to do. 2083 } 2084 } catch (Exception e) { 2085 throw new RuntimeException("Unable to create BackupAgent " 2086 + classname + ": " + e.toString(), e); 2087 } 2088 } 2089 2090 // Tear down a BackupAgent 2091 private final void handleDestroyBackupAgent(CreateBackupAgentData data) { 2092 if (DEBUG_BACKUP) Slog.v(TAG, "handleDestroyBackupAgent: " + data); 2093 2094 LoadedApk packageInfo = getPackageInfoNoCheck(data.appInfo, data.compatInfo); 2095 String packageName = packageInfo.mPackageName; 2096 BackupAgent agent = mBackupAgents.get(packageName); 2097 if (agent != null) { 2098 try { 2099 agent.onDestroy(); 2100 } catch (Exception e) { 2101 Slog.w(TAG, "Exception thrown in onDestroy by backup agent of " + data.appInfo); 2102 e.printStackTrace(); 2103 } 2104 mBackupAgents.remove(packageName); 2105 } else { 2106 Slog.w(TAG, "Attempt to destroy unknown backup agent " + data); 2107 } 2108 } 2109 2110 private final void handleCreateService(CreateServiceData data) { 2111 // If we are getting ready to gc after going to the background, well 2112 // we are back active so skip it. 2113 unscheduleGcIdler(); 2114 2115 LoadedApk packageInfo = getPackageInfoNoCheck( 2116 data.info.applicationInfo, data.compatInfo); 2117 Service service = null; 2118 try { 2119 java.lang.ClassLoader cl = packageInfo.getClassLoader(); 2120 service = (Service) cl.loadClass(data.info.name).newInstance(); 2121 } catch (Exception e) { 2122 if (!mInstrumentation.onException(service, e)) { 2123 throw new RuntimeException( 2124 "Unable to instantiate service " + data.info.name 2125 + ": " + e.toString(), e); 2126 } 2127 } 2128 2129 try { 2130 if (localLOGV) Slog.v(TAG, "Creating service " + data.info.name); 2131 2132 ContextImpl context = new ContextImpl(); 2133 context.init(packageInfo, null, this); 2134 2135 Application app = packageInfo.makeApplication(false, mInstrumentation); 2136 context.setOuterContext(service); 2137 service.attach(context, this, data.info.name, data.token, app, 2138 ActivityManagerNative.getDefault()); 2139 service.onCreate(); 2140 mServices.put(data.token, service); 2141 try { 2142 ActivityManagerNative.getDefault().serviceDoneExecuting( 2143 data.token, 0, 0, 0); 2144 } catch (RemoteException e) { 2145 // nothing to do. 2146 } 2147 } catch (Exception e) { 2148 if (!mInstrumentation.onException(service, e)) { 2149 throw new RuntimeException( 2150 "Unable to create service " + data.info.name 2151 + ": " + e.toString(), e); 2152 } 2153 } 2154 } 2155 2156 private final void handleBindService(BindServiceData data) { 2157 Service s = mServices.get(data.token); 2158 if (s != null) { 2159 try { 2160 data.intent.setExtrasClassLoader(s.getClassLoader()); 2161 try { 2162 if (!data.rebind) { 2163 IBinder binder = s.onBind(data.intent); 2164 ActivityManagerNative.getDefault().publishService( 2165 data.token, data.intent, binder); 2166 } else { 2167 s.onRebind(data.intent); 2168 ActivityManagerNative.getDefault().serviceDoneExecuting( 2169 data.token, 0, 0, 0); 2170 } 2171 ensureJitEnabled(); 2172 } catch (RemoteException ex) { 2173 } 2174 } catch (Exception e) { 2175 if (!mInstrumentation.onException(s, e)) { 2176 throw new RuntimeException( 2177 "Unable to bind to service " + s 2178 + " with " + data.intent + ": " + e.toString(), e); 2179 } 2180 } 2181 } 2182 } 2183 2184 private final void handleUnbindService(BindServiceData data) { 2185 Service s = mServices.get(data.token); 2186 if (s != null) { 2187 try { 2188 data.intent.setExtrasClassLoader(s.getClassLoader()); 2189 boolean doRebind = s.onUnbind(data.intent); 2190 try { 2191 if (doRebind) { 2192 ActivityManagerNative.getDefault().unbindFinished( 2193 data.token, data.intent, doRebind); 2194 } else { 2195 ActivityManagerNative.getDefault().serviceDoneExecuting( 2196 data.token, 0, 0, 0); 2197 } 2198 } catch (RemoteException ex) { 2199 } 2200 } catch (Exception e) { 2201 if (!mInstrumentation.onException(s, e)) { 2202 throw new RuntimeException( 2203 "Unable to unbind to service " + s 2204 + " with " + data.intent + ": " + e.toString(), e); 2205 } 2206 } 2207 } 2208 } 2209 2210 private void handleDumpService(DumpComponentInfo info) { 2211 Service s = mServices.get(info.token); 2212 if (s != null) { 2213 PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd.getFileDescriptor())); 2214 s.dump(info.fd.getFileDescriptor(), pw, info.args); 2215 pw.flush(); 2216 try { 2217 info.fd.close(); 2218 } catch (IOException e) { 2219 } 2220 } 2221 } 2222 2223 private void handleDumpActivity(DumpComponentInfo info) { 2224 ActivityClientRecord r = mActivities.get(info.token); 2225 if (r != null && r.activity != null) { 2226 PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd.getFileDescriptor())); 2227 r.activity.dump(info.prefix, info.fd.getFileDescriptor(), pw, info.args); 2228 pw.flush(); 2229 try { 2230 info.fd.close(); 2231 } catch (IOException e) { 2232 } 2233 } 2234 } 2235 2236 private final void handleServiceArgs(ServiceArgsData data) { 2237 Service s = mServices.get(data.token); 2238 if (s != null) { 2239 try { 2240 if (data.args != null) { 2241 data.args.setExtrasClassLoader(s.getClassLoader()); 2242 } 2243 int res; 2244 if (!data.taskRemoved) { 2245 res = s.onStartCommand(data.args, data.flags, data.startId); 2246 } else { 2247 s.onTaskRemoved(data.args); 2248 res = Service.START_TASK_REMOVED_COMPLETE; 2249 } 2250 2251 QueuedWork.waitToFinish(); 2252 2253 try { 2254 ActivityManagerNative.getDefault().serviceDoneExecuting( 2255 data.token, 1, data.startId, res); 2256 } catch (RemoteException e) { 2257 // nothing to do. 2258 } 2259 ensureJitEnabled(); 2260 } catch (Exception e) { 2261 if (!mInstrumentation.onException(s, e)) { 2262 throw new RuntimeException( 2263 "Unable to start service " + s 2264 + " with " + data.args + ": " + e.toString(), e); 2265 } 2266 } 2267 } 2268 } 2269 2270 private final void handleStopService(IBinder token) { 2271 Service s = mServices.remove(token); 2272 if (s != null) { 2273 try { 2274 if (localLOGV) Slog.v(TAG, "Destroying service " + s); 2275 s.onDestroy(); 2276 Context context = s.getBaseContext(); 2277 if (context instanceof ContextImpl) { 2278 final String who = s.getClassName(); 2279 ((ContextImpl) context).scheduleFinalCleanup(who, "Service"); 2280 } 2281 2282 QueuedWork.waitToFinish(); 2283 2284 try { 2285 ActivityManagerNative.getDefault().serviceDoneExecuting( 2286 token, 0, 0, 0); 2287 } catch (RemoteException e) { 2288 // nothing to do. 2289 } 2290 } catch (Exception e) { 2291 if (!mInstrumentation.onException(s, e)) { 2292 throw new RuntimeException( 2293 "Unable to stop service " + s 2294 + ": " + e.toString(), e); 2295 } 2296 } 2297 } 2298 //Slog.i(TAG, "Running services: " + mServices); 2299 } 2300 2301 public final ActivityClientRecord performResumeActivity(IBinder token, 2302 boolean clearHide) { 2303 ActivityClientRecord r = mActivities.get(token); 2304 if (localLOGV) Slog.v(TAG, "Performing resume of " + r 2305 + " finished=" + r.activity.mFinished); 2306 if (r != null && !r.activity.mFinished) { 2307 if (clearHide) { 2308 r.hideForNow = false; 2309 r.activity.mStartedActivity = false; 2310 } 2311 try { 2312 if (r.pendingIntents != null) { 2313 deliverNewIntents(r, r.pendingIntents); 2314 r.pendingIntents = null; 2315 } 2316 if (r.pendingResults != null) { 2317 deliverResults(r, r.pendingResults); 2318 r.pendingResults = null; 2319 } 2320 r.activity.performResume(); 2321 2322 EventLog.writeEvent(LOG_ON_RESUME_CALLED, 2323 r.activity.getComponentName().getClassName()); 2324 2325 r.paused = false; 2326 r.stopped = false; 2327 r.state = null; 2328 } catch (Exception e) { 2329 if (!mInstrumentation.onException(r.activity, e)) { 2330 throw new RuntimeException( 2331 "Unable to resume activity " 2332 + r.intent.getComponent().toShortString() 2333 + ": " + e.toString(), e); 2334 } 2335 } 2336 } 2337 return r; 2338 } 2339 2340 final void cleanUpPendingRemoveWindows(ActivityClientRecord r) { 2341 if (r.mPendingRemoveWindow != null) { 2342 r.mPendingRemoveWindowManager.removeViewImmediate(r.mPendingRemoveWindow); 2343 IBinder wtoken = r.mPendingRemoveWindow.getWindowToken(); 2344 if (wtoken != null) { 2345 WindowManagerImpl.getDefault().closeAll(wtoken, 2346 r.activity.getClass().getName(), "Activity"); 2347 } 2348 } 2349 r.mPendingRemoveWindow = null; 2350 r.mPendingRemoveWindowManager = null; 2351 } 2352 2353 final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) { 2354 // If we are getting ready to gc after going to the background, well 2355 // we are back active so skip it. 2356 unscheduleGcIdler(); 2357 2358 ActivityClientRecord r = performResumeActivity(token, clearHide); 2359 2360 if (r != null) { 2361 final Activity a = r.activity; 2362 2363 if (localLOGV) Slog.v( 2364 TAG, "Resume " + r + " started activity: " + 2365 a.mStartedActivity + ", hideForNow: " + r.hideForNow 2366 + ", finished: " + a.mFinished); 2367 2368 final int forwardBit = isForward ? 2369 WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0; 2370 2371 // If the window hasn't yet been added to the window manager, 2372 // and this guy didn't finish itself or start another activity, 2373 // then go ahead and add the window. 2374 boolean willBeVisible = !a.mStartedActivity; 2375 if (!willBeVisible) { 2376 try { 2377 willBeVisible = ActivityManagerNative.getDefault().willActivityBeVisible( 2378 a.getActivityToken()); 2379 } catch (RemoteException e) { 2380 } 2381 } 2382 if (r.window == null && !a.mFinished && willBeVisible) { 2383 r.window = r.activity.getWindow(); 2384 View decor = r.window.getDecorView(); 2385 decor.setVisibility(View.INVISIBLE); 2386 ViewManager wm = a.getWindowManager(); 2387 WindowManager.LayoutParams l = r.window.getAttributes(); 2388 a.mDecor = decor; 2389 l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION; 2390 l.softInputMode |= forwardBit; 2391 if (a.mVisibleFromClient) { 2392 a.mWindowAdded = true; 2393 wm.addView(decor, l); 2394 } 2395 2396 // If the window has already been added, but during resume 2397 // we started another activity, then don't yet make the 2398 // window visible. 2399 } else if (!willBeVisible) { 2400 if (localLOGV) Slog.v( 2401 TAG, "Launch " + r + " mStartedActivity set"); 2402 r.hideForNow = true; 2403 } 2404 2405 // Get rid of anything left hanging around. 2406 cleanUpPendingRemoveWindows(r); 2407 2408 // The window is now visible if it has been added, we are not 2409 // simply finishing, and we are not starting another activity. 2410 if (!r.activity.mFinished && willBeVisible 2411 && r.activity.mDecor != null && !r.hideForNow) { 2412 if (r.newConfig != null) { 2413 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Resuming activity " 2414 + r.activityInfo.name + " with newConfig " + r.newConfig); 2415 performConfigurationChanged(r.activity, r.newConfig); 2416 r.newConfig = null; 2417 } 2418 if (localLOGV) Slog.v(TAG, "Resuming " + r + " with isForward=" 2419 + isForward); 2420 WindowManager.LayoutParams l = r.window.getAttributes(); 2421 if ((l.softInputMode 2422 & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) 2423 != forwardBit) { 2424 l.softInputMode = (l.softInputMode 2425 & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)) 2426 | forwardBit; 2427 if (r.activity.mVisibleFromClient) { 2428 ViewManager wm = a.getWindowManager(); 2429 View decor = r.window.getDecorView(); 2430 wm.updateViewLayout(decor, l); 2431 } 2432 } 2433 r.activity.mVisibleFromServer = true; 2434 mNumVisibleActivities++; 2435 if (r.activity.mVisibleFromClient) { 2436 r.activity.makeVisible(); 2437 } 2438 } 2439 2440 if (!r.onlyLocalRequest) { 2441 r.nextIdle = mNewActivities; 2442 mNewActivities = r; 2443 if (localLOGV) Slog.v( 2444 TAG, "Scheduling idle handler for " + r); 2445 Looper.myQueue().addIdleHandler(new Idler()); 2446 } 2447 r.onlyLocalRequest = false; 2448 2449 } else { 2450 // If an exception was thrown when trying to resume, then 2451 // just end this activity. 2452 try { 2453 ActivityManagerNative.getDefault() 2454 .finishActivity(token, Activity.RESULT_CANCELED, null); 2455 } catch (RemoteException ex) { 2456 } 2457 } 2458 } 2459 2460 private int mThumbnailWidth = -1; 2461 private int mThumbnailHeight = -1; 2462 private Bitmap mAvailThumbnailBitmap = null; 2463 private Canvas mThumbnailCanvas = null; 2464 2465 private final Bitmap createThumbnailBitmap(ActivityClientRecord r) { 2466 Bitmap thumbnail = mAvailThumbnailBitmap; 2467 try { 2468 if (thumbnail == null) { 2469 int w = mThumbnailWidth; 2470 int h; 2471 if (w < 0) { 2472 Resources res = r.activity.getResources(); 2473 mThumbnailHeight = h = 2474 res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height); 2475 2476 mThumbnailWidth = w = 2477 res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width); 2478 } else { 2479 h = mThumbnailHeight; 2480 } 2481 2482 // On platforms where we don't want thumbnails, set dims to (0,0) 2483 if ((w > 0) && (h > 0)) { 2484 thumbnail = Bitmap.createBitmap(w, h, THUMBNAIL_FORMAT); 2485 thumbnail.eraseColor(0); 2486 } 2487 } 2488 2489 if (thumbnail != null) { 2490 Canvas cv = mThumbnailCanvas; 2491 if (cv == null) { 2492 mThumbnailCanvas = cv = new Canvas(); 2493 } 2494 2495 cv.setBitmap(thumbnail); 2496 if (!r.activity.onCreateThumbnail(thumbnail, cv)) { 2497 mAvailThumbnailBitmap = thumbnail; 2498 thumbnail = null; 2499 } 2500 } 2501 2502 } catch (Exception e) { 2503 if (!mInstrumentation.onException(r.activity, e)) { 2504 throw new RuntimeException( 2505 "Unable to create thumbnail of " 2506 + r.intent.getComponent().toShortString() 2507 + ": " + e.toString(), e); 2508 } 2509 thumbnail = null; 2510 } 2511 2512 return thumbnail; 2513 } 2514 2515 private final void handlePauseActivity(IBinder token, boolean finished, 2516 boolean userLeaving, int configChanges) { 2517 ActivityClientRecord r = mActivities.get(token); 2518 if (r != null) { 2519 //Slog.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r); 2520 if (userLeaving) { 2521 performUserLeavingActivity(r); 2522 } 2523 2524 r.activity.mConfigChangeFlags |= configChanges; 2525 performPauseActivity(token, finished, r.isPreHoneycomb()); 2526 2527 // Make sure any pending writes are now committed. 2528 if (r.isPreHoneycomb()) { 2529 QueuedWork.waitToFinish(); 2530 } 2531 2532 // Tell the activity manager we have paused. 2533 try { 2534 ActivityManagerNative.getDefault().activityPaused(token); 2535 } catch (RemoteException ex) { 2536 } 2537 } 2538 } 2539 2540 final void performUserLeavingActivity(ActivityClientRecord r) { 2541 mInstrumentation.callActivityOnUserLeaving(r.activity); 2542 } 2543 2544 final Bundle performPauseActivity(IBinder token, boolean finished, 2545 boolean saveState) { 2546 ActivityClientRecord r = mActivities.get(token); 2547 return r != null ? performPauseActivity(r, finished, saveState) : null; 2548 } 2549 2550 final Bundle performPauseActivity(ActivityClientRecord r, boolean finished, 2551 boolean saveState) { 2552 if (r.paused) { 2553 if (r.activity.mFinished) { 2554 // If we are finishing, we won't call onResume() in certain cases. 2555 // So here we likewise don't want to call onPause() if the activity 2556 // isn't resumed. 2557 return null; 2558 } 2559 RuntimeException e = new RuntimeException( 2560 "Performing pause of activity that is not resumed: " 2561 + r.intent.getComponent().toShortString()); 2562 Slog.e(TAG, e.getMessage(), e); 2563 } 2564 Bundle state = null; 2565 if (finished) { 2566 r.activity.mFinished = true; 2567 } 2568 try { 2569 // Next have the activity save its current state and managed dialogs... 2570 if (!r.activity.mFinished && saveState) { 2571 state = new Bundle(); 2572 mInstrumentation.callActivityOnSaveInstanceState(r.activity, state); 2573 r.state = state; 2574 } 2575 // Now we are idle. 2576 r.activity.mCalled = false; 2577 mInstrumentation.callActivityOnPause(r.activity); 2578 EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName()); 2579 if (!r.activity.mCalled) { 2580 throw new SuperNotCalledException( 2581 "Activity " + r.intent.getComponent().toShortString() + 2582 " did not call through to super.onPause()"); 2583 } 2584 2585 } catch (SuperNotCalledException e) { 2586 throw e; 2587 2588 } catch (Exception e) { 2589 if (!mInstrumentation.onException(r.activity, e)) { 2590 throw new RuntimeException( 2591 "Unable to pause activity " 2592 + r.intent.getComponent().toShortString() 2593 + ": " + e.toString(), e); 2594 } 2595 } 2596 r.paused = true; 2597 2598 // Notify any outstanding on paused listeners 2599 ArrayList<OnActivityPausedListener> listeners; 2600 synchronized (mOnPauseListeners) { 2601 listeners = mOnPauseListeners.remove(r.activity); 2602 } 2603 int size = (listeners != null ? listeners.size() : 0); 2604 for (int i = 0; i < size; i++) { 2605 listeners.get(i).onPaused(r.activity); 2606 } 2607 2608 return state; 2609 } 2610 2611 final void performStopActivity(IBinder token, boolean saveState) { 2612 ActivityClientRecord r = mActivities.get(token); 2613 performStopActivityInner(r, null, false, saveState); 2614 } 2615 2616 private static class StopInfo { 2617 Bitmap thumbnail; 2618 CharSequence description; 2619 } 2620 2621 private final class ProviderRefCount { 2622 public int count; 2623 ProviderRefCount(int pCount) { 2624 count = pCount; 2625 } 2626 } 2627 2628 /** 2629 * Core implementation of stopping an activity. Note this is a little 2630 * tricky because the server's meaning of stop is slightly different 2631 * than our client -- for the server, stop means to save state and give 2632 * it the result when it is done, but the window may still be visible. 2633 * For the client, we want to call onStop()/onStart() to indicate when 2634 * the activity's UI visibillity changes. 2635 */ 2636 private final void performStopActivityInner(ActivityClientRecord r, 2637 StopInfo info, boolean keepShown, boolean saveState) { 2638 if (localLOGV) Slog.v(TAG, "Performing stop of " + r); 2639 Bundle state = null; 2640 if (r != null) { 2641 if (!keepShown && r.stopped) { 2642 if (r.activity.mFinished) { 2643 // If we are finishing, we won't call onResume() in certain 2644 // cases. So here we likewise don't want to call onStop() 2645 // if the activity isn't resumed. 2646 return; 2647 } 2648 RuntimeException e = new RuntimeException( 2649 "Performing stop of activity that is not resumed: " 2650 + r.intent.getComponent().toShortString()); 2651 Slog.e(TAG, e.getMessage(), e); 2652 } 2653 2654 if (info != null) { 2655 try { 2656 // First create a thumbnail for the activity... 2657 info.thumbnail = createThumbnailBitmap(r); 2658 info.description = r.activity.onCreateDescription(); 2659 } catch (Exception e) { 2660 if (!mInstrumentation.onException(r.activity, e)) { 2661 throw new RuntimeException( 2662 "Unable to save state of activity " 2663 + r.intent.getComponent().toShortString() 2664 + ": " + e.toString(), e); 2665 } 2666 } 2667 } 2668 2669 // Next have the activity save its current state and managed dialogs... 2670 if (!r.activity.mFinished && saveState) { 2671 if (r.state == null) { 2672 state = new Bundle(); 2673 mInstrumentation.callActivityOnSaveInstanceState(r.activity, state); 2674 r.state = state; 2675 } else { 2676 state = r.state; 2677 } 2678 } 2679 2680 if (!keepShown) { 2681 try { 2682 // Now we are idle. 2683 r.activity.performStop(); 2684 } catch (Exception e) { 2685 if (!mInstrumentation.onException(r.activity, e)) { 2686 throw new RuntimeException( 2687 "Unable to stop activity " 2688 + r.intent.getComponent().toShortString() 2689 + ": " + e.toString(), e); 2690 } 2691 } 2692 r.stopped = true; 2693 } 2694 2695 r.paused = true; 2696 } 2697 } 2698 2699 private final void updateVisibility(ActivityClientRecord r, boolean show) { 2700 View v = r.activity.mDecor; 2701 if (v != null) { 2702 if (show) { 2703 if (!r.activity.mVisibleFromServer) { 2704 r.activity.mVisibleFromServer = true; 2705 mNumVisibleActivities++; 2706 if (r.activity.mVisibleFromClient) { 2707 r.activity.makeVisible(); 2708 } 2709 } 2710 if (r.newConfig != null) { 2711 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Updating activity vis " 2712 + r.activityInfo.name + " with new config " + r.newConfig); 2713 performConfigurationChanged(r.activity, r.newConfig); 2714 r.newConfig = null; 2715 } 2716 } else { 2717 if (r.activity.mVisibleFromServer) { 2718 r.activity.mVisibleFromServer = false; 2719 mNumVisibleActivities--; 2720 v.setVisibility(View.INVISIBLE); 2721 } 2722 } 2723 } 2724 } 2725 2726 private final void handleStopActivity(IBinder token, boolean show, int configChanges) { 2727 ActivityClientRecord r = mActivities.get(token); 2728 r.activity.mConfigChangeFlags |= configChanges; 2729 2730 StopInfo info = new StopInfo(); 2731 performStopActivityInner(r, info, show, true); 2732 2733 if (localLOGV) Slog.v( 2734 TAG, "Finishing stop of " + r + ": show=" + show 2735 + " win=" + r.window); 2736 2737 updateVisibility(r, show); 2738 2739 // Make sure any pending writes are now committed. 2740 if (!r.isPreHoneycomb()) { 2741 QueuedWork.waitToFinish(); 2742 } 2743 2744 // Tell activity manager we have been stopped. 2745 try { 2746 ActivityManagerNative.getDefault().activityStopped( 2747 r.token, r.state, info.thumbnail, info.description); 2748 } catch (RemoteException ex) { 2749 } 2750 } 2751 2752 final void performRestartActivity(IBinder token) { 2753 ActivityClientRecord r = mActivities.get(token); 2754 if (r.stopped) { 2755 r.activity.performRestart(); 2756 r.stopped = false; 2757 } 2758 } 2759 2760 private final void handleWindowVisibility(IBinder token, boolean show) { 2761 ActivityClientRecord r = mActivities.get(token); 2762 2763 if (r == null) { 2764 Log.w(TAG, "handleWindowVisibility: no activity for token " + token); 2765 return; 2766 } 2767 2768 if (!show && !r.stopped) { 2769 performStopActivityInner(r, null, show, false); 2770 } else if (show && r.stopped) { 2771 // If we are getting ready to gc after going to the background, well 2772 // we are back active so skip it. 2773 unscheduleGcIdler(); 2774 2775 r.activity.performRestart(); 2776 r.stopped = false; 2777 } 2778 if (r.activity.mDecor != null) { 2779 if (false) Slog.v( 2780 TAG, "Handle window " + r + " visibility: " + show); 2781 updateVisibility(r, show); 2782 } 2783 } 2784 2785 private final void handleSleeping(IBinder token, boolean sleeping) { 2786 ActivityClientRecord r = mActivities.get(token); 2787 2788 if (r == null) { 2789 Log.w(TAG, "handleSleeping: no activity for token " + token); 2790 return; 2791 } 2792 2793 if (sleeping) { 2794 if (!r.stopped && !r.isPreHoneycomb()) { 2795 try { 2796 // Now we are idle. 2797 r.activity.performStop(); 2798 } catch (Exception e) { 2799 if (!mInstrumentation.onException(r.activity, e)) { 2800 throw new RuntimeException( 2801 "Unable to stop activity " 2802 + r.intent.getComponent().toShortString() 2803 + ": " + e.toString(), e); 2804 } 2805 } 2806 r.stopped = true; 2807 } 2808 2809 // Make sure any pending writes are now committed. 2810 if (!r.isPreHoneycomb()) { 2811 QueuedWork.waitToFinish(); 2812 } 2813 2814 // Tell activity manager we slept. 2815 try { 2816 ActivityManagerNative.getDefault().activitySlept(r.token); 2817 } catch (RemoteException ex) { 2818 } 2819 } else { 2820 if (r.stopped && r.activity.mVisibleFromServer) { 2821 r.activity.performRestart(); 2822 r.stopped = false; 2823 } 2824 } 2825 } 2826 2827 private void handleSetCoreSettings(Bundle coreSettings) { 2828 synchronized (mPackages) { 2829 mCoreSettings = coreSettings; 2830 } 2831 } 2832 2833 private void handleUpdatePackageCompatibilityInfo(UpdateCompatibilityData data) { 2834 LoadedApk apk = peekPackageInfo(data.pkg, false); 2835 if (apk != null) { 2836 apk.mCompatibilityInfo.set(data.info); 2837 } 2838 apk = peekPackageInfo(data.pkg, true); 2839 if (apk != null) { 2840 apk.mCompatibilityInfo.set(data.info); 2841 } 2842 handleConfigurationChanged(mConfiguration, data.info); 2843 WindowManagerImpl.getDefault().reportNewConfiguration(mConfiguration); 2844 } 2845 2846 private final void deliverResults(ActivityClientRecord r, List<ResultInfo> results) { 2847 final int N = results.size(); 2848 for (int i=0; i<N; i++) { 2849 ResultInfo ri = results.get(i); 2850 try { 2851 if (ri.mData != null) { 2852 ri.mData.setExtrasClassLoader(r.activity.getClassLoader()); 2853 } 2854 if (DEBUG_RESULTS) Slog.v(TAG, 2855 "Delivering result to activity " + r + " : " + ri); 2856 r.activity.dispatchActivityResult(ri.mResultWho, 2857 ri.mRequestCode, ri.mResultCode, ri.mData); 2858 } catch (Exception e) { 2859 if (!mInstrumentation.onException(r.activity, e)) { 2860 throw new RuntimeException( 2861 "Failure delivering result " + ri + " to activity " 2862 + r.intent.getComponent().toShortString() 2863 + ": " + e.toString(), e); 2864 } 2865 } 2866 } 2867 } 2868 2869 private final void handleSendResult(ResultData res) { 2870 ActivityClientRecord r = mActivities.get(res.token); 2871 if (DEBUG_RESULTS) Slog.v(TAG, "Handling send result to " + r); 2872 if (r != null) { 2873 final boolean resumed = !r.paused; 2874 if (!r.activity.mFinished && r.activity.mDecor != null 2875 && r.hideForNow && resumed) { 2876 // We had hidden the activity because it started another 2877 // one... we have gotten a result back and we are not 2878 // paused, so make sure our window is visible. 2879 updateVisibility(r, true); 2880 } 2881 if (resumed) { 2882 try { 2883 // Now we are idle. 2884 r.activity.mCalled = false; 2885 r.activity.mTemporaryPause = true; 2886 mInstrumentation.callActivityOnPause(r.activity); 2887 if (!r.activity.mCalled) { 2888 throw new SuperNotCalledException( 2889 "Activity " + r.intent.getComponent().toShortString() 2890 + " did not call through to super.onPause()"); 2891 } 2892 } catch (SuperNotCalledException e) { 2893 throw e; 2894 } catch (Exception e) { 2895 if (!mInstrumentation.onException(r.activity, e)) { 2896 throw new RuntimeException( 2897 "Unable to pause activity " 2898 + r.intent.getComponent().toShortString() 2899 + ": " + e.toString(), e); 2900 } 2901 } 2902 } 2903 deliverResults(r, res.results); 2904 if (resumed) { 2905 r.activity.performResume(); 2906 r.activity.mTemporaryPause = false; 2907 } 2908 } 2909 } 2910 2911 public final ActivityClientRecord performDestroyActivity(IBinder token, boolean finishing) { 2912 return performDestroyActivity(token, finishing, 0, false); 2913 } 2914 2915 private final ActivityClientRecord performDestroyActivity(IBinder token, boolean finishing, 2916 int configChanges, boolean getNonConfigInstance) { 2917 ActivityClientRecord r = mActivities.get(token); 2918 Class activityClass = null; 2919 if (localLOGV) Slog.v(TAG, "Performing finish of " + r); 2920 if (r != null) { 2921 activityClass = r.activity.getClass(); 2922 r.activity.mConfigChangeFlags |= configChanges; 2923 if (finishing) { 2924 r.activity.mFinished = true; 2925 } 2926 if (!r.paused) { 2927 try { 2928 r.activity.mCalled = false; 2929 mInstrumentation.callActivityOnPause(r.activity); 2930 EventLog.writeEvent(LOG_ON_PAUSE_CALLED, 2931 r.activity.getComponentName().getClassName()); 2932 if (!r.activity.mCalled) { 2933 throw new SuperNotCalledException( 2934 "Activity " + safeToComponentShortString(r.intent) 2935 + " did not call through to super.onPause()"); 2936 } 2937 } catch (SuperNotCalledException e) { 2938 throw e; 2939 } catch (Exception e) { 2940 if (!mInstrumentation.onException(r.activity, e)) { 2941 throw new RuntimeException( 2942 "Unable to pause activity " 2943 + safeToComponentShortString(r.intent) 2944 + ": " + e.toString(), e); 2945 } 2946 } 2947 r.paused = true; 2948 } 2949 if (!r.stopped) { 2950 try { 2951 r.activity.performStop(); 2952 } catch (SuperNotCalledException e) { 2953 throw e; 2954 } catch (Exception e) { 2955 if (!mInstrumentation.onException(r.activity, e)) { 2956 throw new RuntimeException( 2957 "Unable to stop activity " 2958 + safeToComponentShortString(r.intent) 2959 + ": " + e.toString(), e); 2960 } 2961 } 2962 r.stopped = true; 2963 } 2964 if (getNonConfigInstance) { 2965 try { 2966 r.lastNonConfigurationInstances 2967 = r.activity.retainNonConfigurationInstances(); 2968 } catch (Exception e) { 2969 if (!mInstrumentation.onException(r.activity, e)) { 2970 throw new RuntimeException( 2971 "Unable to retain activity " 2972 + r.intent.getComponent().toShortString() 2973 + ": " + e.toString(), e); 2974 } 2975 } 2976 } 2977 try { 2978 r.activity.mCalled = false; 2979 mInstrumentation.callActivityOnDestroy(r.activity); 2980 if (!r.activity.mCalled) { 2981 throw new SuperNotCalledException( 2982 "Activity " + safeToComponentShortString(r.intent) + 2983 " did not call through to super.onDestroy()"); 2984 } 2985 if (r.window != null) { 2986 r.window.closeAllPanels(); 2987 } 2988 } catch (SuperNotCalledException e) { 2989 throw e; 2990 } catch (Exception e) { 2991 if (!mInstrumentation.onException(r.activity, e)) { 2992 throw new RuntimeException( 2993 "Unable to destroy activity " + safeToComponentShortString(r.intent) 2994 + ": " + e.toString(), e); 2995 } 2996 } 2997 } 2998 mActivities.remove(token); 2999 StrictMode.decrementExpectedActivityCount(activityClass); 3000 return r; 3001 } 3002 3003 private static String safeToComponentShortString(Intent intent) { 3004 ComponentName component = intent.getComponent(); 3005 return component == null ? "[Unknown]" : component.toShortString(); 3006 } 3007 3008 private final void handleDestroyActivity(IBinder token, boolean finishing, 3009 int configChanges, boolean getNonConfigInstance) { 3010 ActivityClientRecord r = performDestroyActivity(token, finishing, 3011 configChanges, getNonConfigInstance); 3012 if (r != null) { 3013 cleanUpPendingRemoveWindows(r); 3014 WindowManager wm = r.activity.getWindowManager(); 3015 View v = r.activity.mDecor; 3016 if (v != null) { 3017 if (r.activity.mVisibleFromServer) { 3018 mNumVisibleActivities--; 3019 } 3020 IBinder wtoken = v.getWindowToken(); 3021 if (r.activity.mWindowAdded) { 3022 if (r.onlyLocalRequest) { 3023 // Hold off on removing this until the new activity's 3024 // window is being added. 3025 r.mPendingRemoveWindow = v; 3026 r.mPendingRemoveWindowManager = wm; 3027 } else { 3028 wm.removeViewImmediate(v); 3029 } 3030 } 3031 if (wtoken != null && r.mPendingRemoveWindow == null) { 3032 WindowManagerImpl.getDefault().closeAll(wtoken, 3033 r.activity.getClass().getName(), "Activity"); 3034 } 3035 r.activity.mDecor = null; 3036 } 3037 if (r.mPendingRemoveWindow == null) { 3038 // If we are delaying the removal of the activity window, then 3039 // we can't clean up all windows here. Note that we can't do 3040 // so later either, which means any windows that aren't closed 3041 // by the app will leak. Well we try to warning them a lot 3042 // about leaking windows, because that is a bug, so if they are 3043 // using this recreate facility then they get to live with leaks. 3044 WindowManagerImpl.getDefault().closeAll(token, 3045 r.activity.getClass().getName(), "Activity"); 3046 } 3047 3048 // Mocked out contexts won't be participating in the normal 3049 // process lifecycle, but if we're running with a proper 3050 // ApplicationContext we need to have it tear down things 3051 // cleanly. 3052 Context c = r.activity.getBaseContext(); 3053 if (c instanceof ContextImpl) { 3054 ((ContextImpl) c).scheduleFinalCleanup( 3055 r.activity.getClass().getName(), "Activity"); 3056 } 3057 } 3058 if (finishing) { 3059 try { 3060 ActivityManagerNative.getDefault().activityDestroyed(token); 3061 } catch (RemoteException ex) { 3062 // If the system process has died, it's game over for everyone. 3063 } 3064 } 3065 } 3066 3067 public final void requestRelaunchActivity(IBinder token, 3068 List<ResultInfo> pendingResults, List<Intent> pendingNewIntents, 3069 int configChanges, boolean notResumed, Configuration config, 3070 boolean fromServer) { 3071 ActivityClientRecord target = null; 3072 3073 synchronized (mPackages) { 3074 for (int i=0; i<mRelaunchingActivities.size(); i++) { 3075 ActivityClientRecord r = mRelaunchingActivities.get(i); 3076 if (r.token == token) { 3077 target = r; 3078 if (pendingResults != null) { 3079 if (r.pendingResults != null) { 3080 r.pendingResults.addAll(pendingResults); 3081 } else { 3082 r.pendingResults = pendingResults; 3083 } 3084 } 3085 if (pendingNewIntents != null) { 3086 if (r.pendingIntents != null) { 3087 r.pendingIntents.addAll(pendingNewIntents); 3088 } else { 3089 r.pendingIntents = pendingNewIntents; 3090 } 3091 } 3092 break; 3093 } 3094 } 3095 3096 if (target == null) { 3097 target = new ActivityClientRecord(); 3098 target.token = token; 3099 target.pendingResults = pendingResults; 3100 target.pendingIntents = pendingNewIntents; 3101 if (!fromServer) { 3102 ActivityClientRecord existing = mActivities.get(token); 3103 if (existing != null) { 3104 target.startsNotResumed = existing.paused; 3105 } 3106 target.onlyLocalRequest = true; 3107 } 3108 mRelaunchingActivities.add(target); 3109 queueOrSendMessage(H.RELAUNCH_ACTIVITY, target); 3110 } 3111 3112 if (fromServer) { 3113 target.startsNotResumed = notResumed; 3114 target.onlyLocalRequest = false; 3115 } 3116 if (config != null) { 3117 target.createdConfig = config; 3118 } 3119 target.pendingConfigChanges |= configChanges; 3120 } 3121 } 3122 3123 private final void handleRelaunchActivity(ActivityClientRecord tmp) { 3124 // If we are getting ready to gc after going to the background, well 3125 // we are back active so skip it. 3126 unscheduleGcIdler(); 3127 3128 Configuration changedConfig = null; 3129 int configChanges = 0; 3130 3131 // First: make sure we have the most recent configuration and most 3132 // recent version of the activity, or skip it if some previous call 3133 // had taken a more recent version. 3134 synchronized (mPackages) { 3135 int N = mRelaunchingActivities.size(); 3136 IBinder token = tmp.token; 3137 tmp = null; 3138 for (int i=0; i<N; i++) { 3139 ActivityClientRecord r = mRelaunchingActivities.get(i); 3140 if (r.token == token) { 3141 tmp = r; 3142 configChanges |= tmp.pendingConfigChanges; 3143 mRelaunchingActivities.remove(i); 3144 i--; 3145 N--; 3146 } 3147 } 3148 3149 if (tmp == null) { 3150 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Abort, activity not relaunching!"); 3151 return; 3152 } 3153 3154 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Relaunching activity " 3155 + tmp.token + " with configChanges=0x" 3156 + Integer.toHexString(configChanges)); 3157 3158 if (mPendingConfiguration != null) { 3159 changedConfig = mPendingConfiguration; 3160 mPendingConfiguration = null; 3161 } 3162 } 3163 3164 if (tmp.createdConfig != null) { 3165 // If the activity manager is passing us its current config, 3166 // assume that is really what we want regardless of what we 3167 // may have pending. 3168 if (mConfiguration == null 3169 || (tmp.createdConfig.isOtherSeqNewer(mConfiguration) 3170 && mConfiguration.diff(tmp.createdConfig) != 0)) { 3171 if (changedConfig == null 3172 || tmp.createdConfig.isOtherSeqNewer(changedConfig)) { 3173 changedConfig = tmp.createdConfig; 3174 } 3175 } 3176 } 3177 3178 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Relaunching activity " 3179 + tmp.token + ": changedConfig=" + changedConfig); 3180 3181 // If there was a pending configuration change, execute it first. 3182 if (changedConfig != null) { 3183 handleConfigurationChanged(changedConfig, null); 3184 } 3185 3186 ActivityClientRecord r = mActivities.get(tmp.token); 3187 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handling relaunch of " + r); 3188 if (r == null) { 3189 return; 3190 } 3191 3192 r.activity.mConfigChangeFlags |= configChanges; 3193 r.onlyLocalRequest = tmp.onlyLocalRequest; 3194 Intent currentIntent = r.activity.mIntent; 3195 3196 r.activity.mChangingConfigurations = true; 3197 3198 // Need to ensure state is saved. 3199 if (!r.paused) { 3200 performPauseActivity(r.token, false, r.isPreHoneycomb()); 3201 } 3202 if (r.state == null && !r.stopped && !r.isPreHoneycomb()) { 3203 r.state = new Bundle(); 3204 mInstrumentation.callActivityOnSaveInstanceState(r.activity, r.state); 3205 } 3206 3207 handleDestroyActivity(r.token, false, configChanges, true); 3208 3209 r.activity = null; 3210 r.window = null; 3211 r.hideForNow = false; 3212 r.nextIdle = null; 3213 // Merge any pending results and pending intents; don't just replace them 3214 if (tmp.pendingResults != null) { 3215 if (r.pendingResults == null) { 3216 r.pendingResults = tmp.pendingResults; 3217 } else { 3218 r.pendingResults.addAll(tmp.pendingResults); 3219 } 3220 } 3221 if (tmp.pendingIntents != null) { 3222 if (r.pendingIntents == null) { 3223 r.pendingIntents = tmp.pendingIntents; 3224 } else { 3225 r.pendingIntents.addAll(tmp.pendingIntents); 3226 } 3227 } 3228 r.startsNotResumed = tmp.startsNotResumed; 3229 3230 handleLaunchActivity(r, currentIntent); 3231 } 3232 3233 private final void handleRequestThumbnail(IBinder token) { 3234 ActivityClientRecord r = mActivities.get(token); 3235 Bitmap thumbnail = createThumbnailBitmap(r); 3236 CharSequence description = null; 3237 try { 3238 description = r.activity.onCreateDescription(); 3239 } catch (Exception e) { 3240 if (!mInstrumentation.onException(r.activity, e)) { 3241 throw new RuntimeException( 3242 "Unable to create description of activity " 3243 + r.intent.getComponent().toShortString() 3244 + ": " + e.toString(), e); 3245 } 3246 } 3247 //System.out.println("Reporting top thumbnail " + thumbnail); 3248 try { 3249 ActivityManagerNative.getDefault().reportThumbnail( 3250 token, thumbnail, description); 3251 } catch (RemoteException ex) { 3252 } 3253 } 3254 3255 ArrayList<ComponentCallbacks> collectComponentCallbacksLocked( 3256 boolean allActivities, Configuration newConfig) { 3257 ArrayList<ComponentCallbacks> callbacks 3258 = new ArrayList<ComponentCallbacks>(); 3259 3260 if (mActivities.size() > 0) { 3261 Iterator<ActivityClientRecord> it = mActivities.values().iterator(); 3262 while (it.hasNext()) { 3263 ActivityClientRecord ar = it.next(); 3264 Activity a = ar.activity; 3265 if (a != null) { 3266 Configuration thisConfig = applyConfigCompatMainThread(newConfig, 3267 ar.packageInfo.mCompatibilityInfo.getIfNeeded()); 3268 if (!ar.activity.mFinished && (allActivities || 3269 (a != null && !ar.paused))) { 3270 // If the activity is currently resumed, its configuration 3271 // needs to change right now. 3272 callbacks.add(a); 3273 } else if (thisConfig != null) { 3274 // Otherwise, we will tell it about the change 3275 // the next time it is resumed or shown. Note that 3276 // the activity manager may, before then, decide the 3277 // activity needs to be destroyed to handle its new 3278 // configuration. 3279 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Setting activity " 3280 + ar.activityInfo.name + " newConfig=" + thisConfig); 3281 ar.newConfig = thisConfig; 3282 } 3283 } 3284 } 3285 } 3286 if (mServices.size() > 0) { 3287 Iterator<Service> it = mServices.values().iterator(); 3288 while (it.hasNext()) { 3289 callbacks.add(it.next()); 3290 } 3291 } 3292 synchronized (mProviderMap) { 3293 if (mLocalProviders.size() > 0) { 3294 Iterator<ProviderClientRecord> it = mLocalProviders.values().iterator(); 3295 while (it.hasNext()) { 3296 callbacks.add(it.next().mLocalProvider); 3297 } 3298 } 3299 } 3300 final int N = mAllApplications.size(); 3301 for (int i=0; i<N; i++) { 3302 callbacks.add(mAllApplications.get(i)); 3303 } 3304 3305 return callbacks; 3306 } 3307 3308 private final void performConfigurationChanged( 3309 ComponentCallbacks cb, Configuration config) { 3310 // Only for Activity objects, check that they actually call up to their 3311 // superclass implementation. ComponentCallbacks is an interface, so 3312 // we check the runtime type and act accordingly. 3313 Activity activity = (cb instanceof Activity) ? (Activity) cb : null; 3314 if (activity != null) { 3315 activity.mCalled = false; 3316 } 3317 3318 boolean shouldChangeConfig = false; 3319 if ((activity == null) || (activity.mCurrentConfig == null)) { 3320 shouldChangeConfig = true; 3321 } else { 3322 3323 // If the new config is the same as the config this Activity 3324 // is already running with then don't bother calling 3325 // onConfigurationChanged 3326 int diff = activity.mCurrentConfig.diff(config); 3327 if (diff != 0) { 3328 // If this activity doesn't handle any of the config changes 3329 // then don't bother calling onConfigurationChanged as we're 3330 // going to destroy it. 3331 if ((~activity.mActivityInfo.getRealConfigChanged() & diff) == 0) { 3332 shouldChangeConfig = true; 3333 } 3334 } 3335 } 3336 3337 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Config callback " + cb 3338 + ": shouldChangeConfig=" + shouldChangeConfig); 3339 if (shouldChangeConfig) { 3340 cb.onConfigurationChanged(config); 3341 3342 if (activity != null) { 3343 if (!activity.mCalled) { 3344 throw new SuperNotCalledException( 3345 "Activity " + activity.getLocalClassName() + 3346 " did not call through to super.onConfigurationChanged()"); 3347 } 3348 activity.mConfigChangeFlags = 0; 3349 activity.mCurrentConfig = new Configuration(config); 3350 } 3351 } 3352 } 3353 3354 public final void applyConfigurationToResources(Configuration config) { 3355 synchronized (mPackages) { 3356 applyConfigurationToResourcesLocked(config, null); 3357 } 3358 } 3359 3360 final boolean applyConfigurationToResourcesLocked(Configuration config, 3361 CompatibilityInfo compat) { 3362 if (mResConfiguration == null) { 3363 mResConfiguration = new Configuration(); 3364 } 3365 if (!mResConfiguration.isOtherSeqNewer(config) && compat == null) { 3366 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Skipping new config: curSeq=" 3367 + mResConfiguration.seq + ", newSeq=" + config.seq); 3368 return false; 3369 } 3370 int changes = mResConfiguration.updateFrom(config); 3371 DisplayMetrics dm = getDisplayMetricsLocked(compat, true); 3372 3373 if (compat != null && (mResCompatibilityInfo == null || 3374 !mResCompatibilityInfo.equals(compat))) { 3375 mResCompatibilityInfo = compat; 3376 changes |= ActivityInfo.CONFIG_SCREEN_LAYOUT 3377 | ActivityInfo.CONFIG_SCREEN_SIZE 3378 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE; 3379 } 3380 3381 // set it for java, this also affects newly created Resources 3382 if (config.locale != null) { 3383 Locale.setDefault(config.locale); 3384 } 3385 3386 Resources.updateSystemConfiguration(config, dm, compat); 3387 3388 ApplicationPackageManager.configurationChanged(); 3389 //Slog.i(TAG, "Configuration changed in " + currentPackageName()); 3390 3391 Iterator<WeakReference<Resources>> it = 3392 mActiveResources.values().iterator(); 3393 //Iterator<Map.Entry<String, WeakReference<Resources>>> it = 3394 // mActiveResources.entrySet().iterator(); 3395 while (it.hasNext()) { 3396 WeakReference<Resources> v = it.next(); 3397 Resources r = v.get(); 3398 if (r != null) { 3399 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Changing resources " 3400 + r + " config to: " + config); 3401 r.updateConfiguration(config, dm, compat); 3402 //Slog.i(TAG, "Updated app resources " + v.getKey() 3403 // + " " + r + ": " + r.getConfiguration()); 3404 } else { 3405 //Slog.i(TAG, "Removing old resources " + v.getKey()); 3406 it.remove(); 3407 } 3408 } 3409 3410 return changes != 0; 3411 } 3412 3413 final void handleConfigurationChanged(Configuration config, CompatibilityInfo compat) { 3414 3415 ArrayList<ComponentCallbacks> callbacks = null; 3416 3417 synchronized (mPackages) { 3418 if (mPendingConfiguration != null) { 3419 if (!mPendingConfiguration.isOtherSeqNewer(config)) { 3420 config = mPendingConfiguration; 3421 } 3422 mPendingConfiguration = null; 3423 } 3424 3425 if (config == null) { 3426 return; 3427 } 3428 3429 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handle configuration changed: " 3430 + config); 3431 3432 applyConfigurationToResourcesLocked(config, compat); 3433 3434 if (mConfiguration == null) { 3435 mConfiguration = new Configuration(); 3436 } 3437 if (!mConfiguration.isOtherSeqNewer(config) && compat == null) { 3438 return; 3439 } 3440 mConfiguration.updateFrom(config); 3441 if (mCompatConfiguration == null) { 3442 mCompatConfiguration = new Configuration(); 3443 } 3444 mCompatConfiguration.setTo(mConfiguration); 3445 if (mResCompatibilityInfo != null && !mResCompatibilityInfo.supportsScreen()) { 3446 mResCompatibilityInfo.applyToConfiguration(mCompatConfiguration); 3447 config = mCompatConfiguration; 3448 } 3449 callbacks = collectComponentCallbacksLocked(false, config); 3450 } 3451 3452 if (callbacks != null) { 3453 final int N = callbacks.size(); 3454 for (int i=0; i<N; i++) { 3455 performConfigurationChanged(callbacks.get(i), config); 3456 } 3457 } 3458 } 3459 3460 final void handleActivityConfigurationChanged(IBinder token) { 3461 ActivityClientRecord r = mActivities.get(token); 3462 if (r == null || r.activity == null) { 3463 return; 3464 } 3465 3466 if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handle activity config changed: " 3467 + r.activityInfo.name); 3468 3469 performConfigurationChanged(r.activity, mCompatConfiguration); 3470 } 3471 3472 final void handleProfilerControl(boolean start, ProfilerControlData pcd) { 3473 if (start) { 3474 try { 3475 Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(), 3476 8 * 1024 * 1024, 0); 3477 } catch (RuntimeException e) { 3478 Slog.w(TAG, "Profiling failed on path " + pcd.path 3479 + " -- can the process access this path?"); 3480 } finally { 3481 try { 3482 pcd.fd.close(); 3483 } catch (IOException e) { 3484 Slog.w(TAG, "Failure closing profile fd", e); 3485 } 3486 } 3487 } else { 3488 Debug.stopMethodTracing(); 3489 } 3490 } 3491 3492 final void handleDumpHeap(boolean managed, DumpHeapData dhd) { 3493 if (managed) { 3494 try { 3495 Debug.dumpHprofData(dhd.path, dhd.fd.getFileDescriptor()); 3496 } catch (IOException e) { 3497 Slog.w(TAG, "Managed heap dump failed on path " + dhd.path 3498 + " -- can the process access this path?"); 3499 } finally { 3500 try { 3501 dhd.fd.close(); 3502 } catch (IOException e) { 3503 Slog.w(TAG, "Failure closing profile fd", e); 3504 } 3505 } 3506 } else { 3507 Debug.dumpNativeHeap(dhd.fd.getFileDescriptor()); 3508 } 3509 } 3510 3511 final void handleDispatchPackageBroadcast(int cmd, String[] packages) { 3512 boolean hasPkgInfo = false; 3513 if (packages != null) { 3514 for (int i=packages.length-1; i>=0; i--) { 3515 //Slog.i(TAG, "Cleaning old package: " + packages[i]); 3516 if (!hasPkgInfo) { 3517 WeakReference<LoadedApk> ref; 3518 ref = mPackages.get(packages[i]); 3519 if (ref != null && ref.get() != null) { 3520 hasPkgInfo = true; 3521 } else { 3522 ref = mResourcePackages.get(packages[i]); 3523 if (ref != null && ref.get() != null) { 3524 hasPkgInfo = true; 3525 } 3526 } 3527 } 3528 mPackages.remove(packages[i]); 3529 mResourcePackages.remove(packages[i]); 3530 } 3531 } 3532 ApplicationPackageManager.handlePackageBroadcast(cmd, packages, 3533 hasPkgInfo); 3534 } 3535 3536 final void handleLowMemory() { 3537 ArrayList<ComponentCallbacks> callbacks; 3538 3539 synchronized (mPackages) { 3540 callbacks = collectComponentCallbacksLocked(true, null); 3541 } 3542 3543 final int N = callbacks.size(); 3544 for (int i=0; i<N; i++) { 3545 callbacks.get(i).onLowMemory(); 3546 } 3547 3548 // Ask SQLite to free up as much memory as it can, mostly from its page caches. 3549 if (Process.myUid() != Process.SYSTEM_UID) { 3550 int sqliteReleased = SQLiteDatabase.releaseMemory(); 3551 EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased); 3552 } 3553 3554 // Ask graphics to free up as much as possible (font/image caches) 3555 Canvas.freeCaches(); 3556 3557 BinderInternal.forceGc("mem"); 3558 } 3559 3560 final void handleTrimMemory(int level) { 3561 WindowManagerImpl.getDefault().trimMemory(level); 3562 } 3563 3564 private final void handleBindApplication(AppBindData data) { 3565 mBoundApplication = data; 3566 mConfiguration = new Configuration(data.config); 3567 mCompatConfiguration = new Configuration(data.config); 3568 3569 // send up app name; do this *before* waiting for debugger 3570 Process.setArgV0(data.processName); 3571 android.ddm.DdmHandleAppName.setAppName(data.processName); 3572 3573 // If the app is Honeycomb MR1 or earlier, switch its AsyncTask 3574 // implementation to use the pool executor. Normally, we use the 3575 // serialized executor as the default. This has to happen in the 3576 // main thread so the main looper is set right. 3577 if (data.appInfo.targetSdkVersion <= 12) { 3578 AsyncTask.setDefaultExecutor(AsyncTask.THREAD_POOL_EXECUTOR); 3579 } 3580 3581 /* 3582 * Before spawning a new process, reset the time zone to be the system time zone. 3583 * This needs to be done because the system time zone could have changed after the 3584 * the spawning of this process. Without doing this this process would have the incorrect 3585 * system time zone. 3586 */ 3587 TimeZone.setDefault(null); 3588 3589 /* 3590 * Initialize the default locale in this process for the reasons we set the time zone. 3591 */ 3592 Locale.setDefault(data.config.locale); 3593 3594 /* 3595 * Update the system configuration since its preloaded and might not 3596 * reflect configuration changes. The configuration object passed 3597 * in AppBindData can be safely assumed to be up to date 3598 */ 3599 applyConfigurationToResourcesLocked(data.config, data.compatInfo); 3600 3601 data.info = getPackageInfoNoCheck(data.appInfo, data.compatInfo); 3602 3603 /** 3604 * For system applications on userdebug/eng builds, log stack 3605 * traces of disk and network access to dropbox for analysis. 3606 */ 3607 if ((data.appInfo.flags & 3608 (ApplicationInfo.FLAG_SYSTEM | 3609 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0) { 3610 StrictMode.conditionallyEnableDebugLogging(); 3611 } 3612 3613 /** 3614 * For apps targetting SDK Honeycomb or later, we don't allow 3615 * network usage on the main event loop / UI thread. 3616 * 3617 * Note to those grepping: this is what ultimately throws 3618 * NetworkOnMainThreadException ... 3619 */ 3620 if (data.appInfo.targetSdkVersion > 9) { 3621 StrictMode.enableDeathOnNetwork(); 3622 } 3623 3624 /** 3625 * Switch this process to density compatibility mode if needed. 3626 */ 3627 if ((data.appInfo.flags&ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES) 3628 == 0) { 3629 Bitmap.setDefaultDensity(DisplayMetrics.DENSITY_DEFAULT); 3630 } 3631 3632 if (data.debugMode != IApplicationThread.DEBUG_OFF) { 3633 // XXX should have option to change the port. 3634 Debug.changeDebugPort(8100); 3635 if (data.debugMode == IApplicationThread.DEBUG_WAIT) { 3636 Slog.w(TAG, "Application " + data.info.getPackageName() 3637 + " is waiting for the debugger on port 8100..."); 3638 3639 IActivityManager mgr = ActivityManagerNative.getDefault(); 3640 try { 3641 mgr.showWaitingForDebugger(mAppThread, true); 3642 } catch (RemoteException ex) { 3643 } 3644 3645 Debug.waitForDebugger(); 3646 3647 try { 3648 mgr.showWaitingForDebugger(mAppThread, false); 3649 } catch (RemoteException ex) { 3650 } 3651 3652 } else { 3653 Slog.w(TAG, "Application " + data.info.getPackageName() 3654 + " can be debugged on port 8100..."); 3655 } 3656 } 3657 3658 /** 3659 * Initialize the default http proxy in this process for the reasons we set the time zone. 3660 */ 3661 IBinder b = ServiceManager.getService(Context.CONNECTIVITY_SERVICE); 3662 IConnectivityManager service = IConnectivityManager.Stub.asInterface(b); 3663 try { 3664 ProxyProperties proxyProperties = service.getProxy(); 3665 Proxy.setHttpProxySystemProperty(proxyProperties); 3666 } catch (RemoteException e) {} 3667 3668 if (data.instrumentationName != null) { 3669 ContextImpl appContext = new ContextImpl(); 3670 appContext.init(data.info, null, this); 3671 InstrumentationInfo ii = null; 3672 try { 3673 ii = appContext.getPackageManager(). 3674 getInstrumentationInfo(data.instrumentationName, 0); 3675 } catch (PackageManager.NameNotFoundException e) { 3676 } 3677 if (ii == null) { 3678 throw new RuntimeException( 3679 "Unable to find instrumentation info for: " 3680 + data.instrumentationName); 3681 } 3682 3683 mInstrumentationAppDir = ii.sourceDir; 3684 mInstrumentationAppPackage = ii.packageName; 3685 mInstrumentedAppDir = data.info.getAppDir(); 3686 3687 ApplicationInfo instrApp = new ApplicationInfo(); 3688 instrApp.packageName = ii.packageName; 3689 instrApp.sourceDir = ii.sourceDir; 3690 instrApp.publicSourceDir = ii.publicSourceDir; 3691 instrApp.dataDir = ii.dataDir; 3692 instrApp.nativeLibraryDir = ii.nativeLibraryDir; 3693 LoadedApk pi = getPackageInfo(instrApp, data.compatInfo, 3694 appContext.getClassLoader(), false, true); 3695 ContextImpl instrContext = new ContextImpl(); 3696 instrContext.init(pi, null, this); 3697 3698 try { 3699 java.lang.ClassLoader cl = instrContext.getClassLoader(); 3700 mInstrumentation = (Instrumentation) 3701 cl.loadClass(data.instrumentationName.getClassName()).newInstance(); 3702 } catch (Exception e) { 3703 throw new RuntimeException( 3704 "Unable to instantiate instrumentation " 3705 + data.instrumentationName + ": " + e.toString(), e); 3706 } 3707 3708 mInstrumentation.init(this, instrContext, appContext, 3709 new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher); 3710 3711 if (data.profileFile != null && !ii.handleProfiling) { 3712 data.handlingProfiling = true; 3713 File file = new File(data.profileFile); 3714 file.getParentFile().mkdirs(); 3715 Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024); 3716 } 3717 3718 try { 3719 mInstrumentation.onCreate(data.instrumentationArgs); 3720 } 3721 catch (Exception e) { 3722 throw new RuntimeException( 3723 "Exception thrown in onCreate() of " 3724 + data.instrumentationName + ": " + e.toString(), e); 3725 } 3726 3727 } else { 3728 mInstrumentation = new Instrumentation(); 3729 } 3730 3731 if ((data.appInfo.flags&ApplicationInfo.FLAG_LARGE_HEAP) != 0) { 3732 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 3733 } 3734 3735 // If the app is being launched for full backup or restore, bring it up in 3736 // a restricted environment with the base application class. 3737 Application app = data.info.makeApplication(data.restrictedBackupMode, null); 3738 mInitialApplication = app; 3739 3740 // don't bring up providers in restricted mode; they may depend on the 3741 // app's custom Application class 3742 if (!data.restrictedBackupMode){ 3743 List<ProviderInfo> providers = data.providers; 3744 if (providers != null) { 3745 installContentProviders(app, providers); 3746 // For process that contains content providers, we want to 3747 // ensure that the JIT is enabled "at some point". 3748 mH.sendEmptyMessageDelayed(H.ENABLE_JIT, 10*1000); 3749 } 3750 } 3751 3752 try { 3753 mInstrumentation.callApplicationOnCreate(app); 3754 } catch (Exception e) { 3755 if (!mInstrumentation.onException(app, e)) { 3756 throw new RuntimeException( 3757 "Unable to create application " + app.getClass().getName() 3758 + ": " + e.toString(), e); 3759 } 3760 } 3761 } 3762 3763 /*package*/ final void finishInstrumentation(int resultCode, Bundle results) { 3764 IActivityManager am = ActivityManagerNative.getDefault(); 3765 if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) { 3766 Debug.stopMethodTracing(); 3767 } 3768 //Slog.i(TAG, "am: " + ActivityManagerNative.getDefault() 3769 // + ", app thr: " + mAppThread); 3770 try { 3771 am.finishInstrumentation(mAppThread, resultCode, results); 3772 } catch (RemoteException ex) { 3773 } 3774 } 3775 3776 private final void installContentProviders( 3777 Context context, List<ProviderInfo> providers) { 3778 final ArrayList<IActivityManager.ContentProviderHolder> results = 3779 new ArrayList<IActivityManager.ContentProviderHolder>(); 3780 3781 Iterator<ProviderInfo> i = providers.iterator(); 3782 while (i.hasNext()) { 3783 ProviderInfo cpi = i.next(); 3784 StringBuilder buf = new StringBuilder(128); 3785 buf.append("Pub "); 3786 buf.append(cpi.authority); 3787 buf.append(": "); 3788 buf.append(cpi.name); 3789 Log.i(TAG, buf.toString()); 3790 IContentProvider cp = installProvider(context, null, cpi, false); 3791 if (cp != null) { 3792 IActivityManager.ContentProviderHolder cph = 3793 new IActivityManager.ContentProviderHolder(cpi); 3794 cph.provider = cp; 3795 results.add(cph); 3796 // Don't ever unload this provider from the process. 3797 synchronized(mProviderMap) { 3798 mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000)); 3799 } 3800 } 3801 } 3802 3803 try { 3804 ActivityManagerNative.getDefault().publishContentProviders( 3805 getApplicationThread(), results); 3806 } catch (RemoteException ex) { 3807 } 3808 } 3809 3810 private final IContentProvider getExistingProvider(Context context, String name) { 3811 synchronized(mProviderMap) { 3812 final ProviderClientRecord pr = mProviderMap.get(name); 3813 if (pr != null) { 3814 return pr.mProvider; 3815 } 3816 return null; 3817 } 3818 } 3819 3820 private final IContentProvider getProvider(Context context, String name) { 3821 IContentProvider existing = getExistingProvider(context, name); 3822 if (existing != null) { 3823 return existing; 3824 } 3825 3826 IActivityManager.ContentProviderHolder holder = null; 3827 try { 3828 holder = ActivityManagerNative.getDefault().getContentProvider( 3829 getApplicationThread(), name); 3830 } catch (RemoteException ex) { 3831 } 3832 if (holder == null) { 3833 Slog.e(TAG, "Failed to find provider info for " + name); 3834 return null; 3835 } 3836 3837 IContentProvider prov = installProvider(context, holder.provider, 3838 holder.info, true); 3839 //Slog.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded); 3840 if (holder.noReleaseNeeded || holder.provider == null) { 3841 // We are not going to release the provider if it is an external 3842 // provider that doesn't care about being released, or if it is 3843 // a local provider running in this process. 3844 //Slog.i(TAG, "*** NO RELEASE NEEDED"); 3845 synchronized(mProviderMap) { 3846 mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000)); 3847 } 3848 } 3849 return prov; 3850 } 3851 3852 public final IContentProvider acquireProvider(Context c, String name) { 3853 IContentProvider provider = getProvider(c, name); 3854 if(provider == null) 3855 return null; 3856 IBinder jBinder = provider.asBinder(); 3857 synchronized(mProviderMap) { 3858 ProviderRefCount prc = mProviderRefCountMap.get(jBinder); 3859 if(prc == null) { 3860 mProviderRefCountMap.put(jBinder, new ProviderRefCount(1)); 3861 } else { 3862 prc.count++; 3863 } //end else 3864 } //end synchronized 3865 return provider; 3866 } 3867 3868 public final IContentProvider acquireExistingProvider(Context c, String name) { 3869 IContentProvider provider = getExistingProvider(c, name); 3870 if(provider == null) 3871 return null; 3872 IBinder jBinder = provider.asBinder(); 3873 synchronized(mProviderMap) { 3874 ProviderRefCount prc = mProviderRefCountMap.get(jBinder); 3875 if(prc == null) { 3876 mProviderRefCountMap.put(jBinder, new ProviderRefCount(1)); 3877 } else { 3878 prc.count++; 3879 } //end else 3880 } //end synchronized 3881 return provider; 3882 } 3883 3884 public final boolean releaseProvider(IContentProvider provider) { 3885 if(provider == null) { 3886 return false; 3887 } 3888 IBinder jBinder = provider.asBinder(); 3889 synchronized(mProviderMap) { 3890 ProviderRefCount prc = mProviderRefCountMap.get(jBinder); 3891 if(prc == null) { 3892 if(localLOGV) Slog.v(TAG, "releaseProvider::Weird shouldn't be here"); 3893 return false; 3894 } else { 3895 prc.count--; 3896 if(prc.count == 0) { 3897 // Schedule the actual remove asynchronously, since we 3898 // don't know the context this will be called in. 3899 // TODO: it would be nice to post a delayed message, so 3900 // if we come back and need the same provider quickly 3901 // we will still have it available. 3902 Message msg = mH.obtainMessage(H.REMOVE_PROVIDER, provider); 3903 mH.sendMessage(msg); 3904 } //end if 3905 } //end else 3906 } //end synchronized 3907 return true; 3908 } 3909 3910 final void completeRemoveProvider(IContentProvider provider) { 3911 IBinder jBinder = provider.asBinder(); 3912 String name = null; 3913 synchronized(mProviderMap) { 3914 ProviderRefCount prc = mProviderRefCountMap.get(jBinder); 3915 if(prc != null && prc.count == 0) { 3916 mProviderRefCountMap.remove(jBinder); 3917 //invoke removeProvider to dereference provider 3918 name = removeProviderLocked(provider); 3919 } 3920 } 3921 3922 if (name != null) { 3923 try { 3924 if(localLOGV) Slog.v(TAG, "removeProvider::Invoking " + 3925 "ActivityManagerNative.removeContentProvider(" + name); 3926 ActivityManagerNative.getDefault().removeContentProvider( 3927 getApplicationThread(), name); 3928 } catch (RemoteException e) { 3929 //do nothing content provider object is dead any way 3930 } //end catch 3931 } 3932 } 3933 3934 public final String removeProviderLocked(IContentProvider provider) { 3935 if (provider == null) { 3936 return null; 3937 } 3938 IBinder providerBinder = provider.asBinder(); 3939 3940 String name = null; 3941 3942 // remove the provider from mProviderMap 3943 Iterator<ProviderClientRecord> iter = mProviderMap.values().iterator(); 3944 while (iter.hasNext()) { 3945 ProviderClientRecord pr = iter.next(); 3946 IBinder myBinder = pr.mProvider.asBinder(); 3947 if (myBinder == providerBinder) { 3948 //find if its published by this process itself 3949 if(pr.mLocalProvider != null) { 3950 if(localLOGV) Slog.i(TAG, "removeProvider::found local provider returning"); 3951 return name; 3952 } 3953 if(localLOGV) Slog.v(TAG, "removeProvider::Not local provider Unlinking " + 3954 "death recipient"); 3955 //content provider is in another process 3956 myBinder.unlinkToDeath(pr, 0); 3957 iter.remove(); 3958 //invoke remove only once for the very first name seen 3959 if(name == null) { 3960 name = pr.mName; 3961 } 3962 } //end if myBinder 3963 } //end while iter 3964 3965 return name; 3966 } 3967 3968 final void removeDeadProvider(String name, IContentProvider provider) { 3969 synchronized(mProviderMap) { 3970 ProviderClientRecord pr = mProviderMap.get(name); 3971 if (pr.mProvider.asBinder() == provider.asBinder()) { 3972 Slog.i(TAG, "Removing dead content provider: " + name); 3973 ProviderClientRecord removed = mProviderMap.remove(name); 3974 if (removed != null) { 3975 removed.mProvider.asBinder().unlinkToDeath(removed, 0); 3976 } 3977 } 3978 } 3979 } 3980 3981 final void removeDeadProviderLocked(String name, IContentProvider provider) { 3982 ProviderClientRecord pr = mProviderMap.get(name); 3983 if (pr.mProvider.asBinder() == provider.asBinder()) { 3984 Slog.i(TAG, "Removing dead content provider: " + name); 3985 ProviderClientRecord removed = mProviderMap.remove(name); 3986 if (removed != null) { 3987 removed.mProvider.asBinder().unlinkToDeath(removed, 0); 3988 } 3989 } 3990 } 3991 3992 private final IContentProvider installProvider(Context context, 3993 IContentProvider provider, ProviderInfo info, boolean noisy) { 3994 ContentProvider localProvider = null; 3995 if (provider == null) { 3996 if (noisy) { 3997 Slog.d(TAG, "Loading provider " + info.authority + ": " 3998 + info.name); 3999 } 4000 Context c = null; 4001 ApplicationInfo ai = info.applicationInfo; 4002 if (context.getPackageName().equals(ai.packageName)) { 4003 c = context; 4004 } else if (mInitialApplication != null && 4005 mInitialApplication.getPackageName().equals(ai.packageName)) { 4006 c = mInitialApplication; 4007 } else { 4008 try { 4009 c = context.createPackageContext(ai.packageName, 4010 Context.CONTEXT_INCLUDE_CODE); 4011 } catch (PackageManager.NameNotFoundException e) { 4012 } 4013 } 4014 if (c == null) { 4015 Slog.w(TAG, "Unable to get context for package " + 4016 ai.packageName + 4017 " while loading content provider " + 4018 info.name); 4019 return null; 4020 } 4021 try { 4022 final java.lang.ClassLoader cl = c.getClassLoader(); 4023 localProvider = (ContentProvider)cl. 4024 loadClass(info.name).newInstance(); 4025 provider = localProvider.getIContentProvider(); 4026 if (provider == null) { 4027 Slog.e(TAG, "Failed to instantiate class " + 4028 info.name + " from sourceDir " + 4029 info.applicationInfo.sourceDir); 4030 return null; 4031 } 4032 if (false) Slog.v( 4033 TAG, "Instantiating local provider " + info.name); 4034 // XXX Need to create the correct context for this provider. 4035 localProvider.attachInfo(c, info); 4036 } catch (java.lang.Exception e) { 4037 if (!mInstrumentation.onException(null, e)) { 4038 throw new RuntimeException( 4039 "Unable to get provider " + info.name 4040 + ": " + e.toString(), e); 4041 } 4042 return null; 4043 } 4044 } else if (localLOGV) { 4045 Slog.v(TAG, "Installing external provider " + info.authority + ": " 4046 + info.name); 4047 } 4048 4049 synchronized (mProviderMap) { 4050 // Cache the pointer for the remote provider. 4051 String names[] = PATTERN_SEMICOLON.split(info.authority); 4052 for (int i=0; i<names.length; i++) { 4053 ProviderClientRecord pr = new ProviderClientRecord(names[i], provider, 4054 localProvider); 4055 try { 4056 provider.asBinder().linkToDeath(pr, 0); 4057 mProviderMap.put(names[i], pr); 4058 } catch (RemoteException e) { 4059 return null; 4060 } 4061 } 4062 if (localProvider != null) { 4063 mLocalProviders.put(provider.asBinder(), 4064 new ProviderClientRecord(null, provider, localProvider)); 4065 } 4066 } 4067 4068 return provider; 4069 } 4070 4071 private final void attach(boolean system) { 4072 sThreadLocal.set(this); 4073 mSystemThread = system; 4074 if (!system) { 4075 ViewAncestor.addFirstDrawHandler(new Runnable() { 4076 public void run() { 4077 ensureJitEnabled(); 4078 } 4079 }); 4080 android.ddm.DdmHandleAppName.setAppName("<pre-initialized>"); 4081 RuntimeInit.setApplicationObject(mAppThread.asBinder()); 4082 IActivityManager mgr = ActivityManagerNative.getDefault(); 4083 try { 4084 mgr.attachApplication(mAppThread); 4085 } catch (RemoteException ex) { 4086 } 4087 } else { 4088 // Don't set application object here -- if the system crashes, 4089 // we can't display an alert, we just want to die die die. 4090 android.ddm.DdmHandleAppName.setAppName("system_process"); 4091 try { 4092 mInstrumentation = new Instrumentation(); 4093 ContextImpl context = new ContextImpl(); 4094 context.init(getSystemContext().mPackageInfo, null, this); 4095 Application app = Instrumentation.newApplication(Application.class, context); 4096 mAllApplications.add(app); 4097 mInitialApplication = app; 4098 app.onCreate(); 4099 } catch (Exception e) { 4100 throw new RuntimeException( 4101 "Unable to instantiate Application():" + e.toString(), e); 4102 } 4103 } 4104 4105 ViewAncestor.addConfigCallback(new ComponentCallbacks() { 4106 public void onConfigurationChanged(Configuration newConfig) { 4107 synchronized (mPackages) { 4108 // We need to apply this change to the resources 4109 // immediately, because upon returning the view 4110 // hierarchy will be informed about it. 4111 if (applyConfigurationToResourcesLocked(newConfig, null)) { 4112 // This actually changed the resources! Tell 4113 // everyone about it. 4114 if (mPendingConfiguration == null || 4115 mPendingConfiguration.isOtherSeqNewer(newConfig)) { 4116 mPendingConfiguration = newConfig; 4117 4118 queueOrSendMessage(H.CONFIGURATION_CHANGED, newConfig); 4119 } 4120 } 4121 } 4122 } 4123 public void onLowMemory() { 4124 } 4125 }); 4126 } 4127 4128 public static final ActivityThread systemMain() { 4129 HardwareRenderer.disable(); 4130 ActivityThread thread = new ActivityThread(); 4131 thread.attach(true); 4132 return thread; 4133 } 4134 4135 public final void installSystemProviders(List<ProviderInfo> providers) { 4136 if (providers != null) { 4137 installContentProviders(mInitialApplication, providers); 4138 } 4139 } 4140 4141 public int getIntCoreSetting(String key, int defaultValue) { 4142 synchronized (mPackages) { 4143 if (mCoreSettings != null) { 4144 return mCoreSettings.getInt(key, defaultValue); 4145 } else { 4146 return defaultValue; 4147 } 4148 } 4149 } 4150 4151 public static final void main(String[] args) { 4152 SamplingProfilerIntegration.start(); 4153 4154 // CloseGuard defaults to true and can be quite spammy. We 4155 // disable it here, but selectively enable it later (via 4156 // StrictMode) on debug builds, but using DropBox, not logs. 4157 CloseGuard.setEnabled(false); 4158 4159 Process.setArgV0("<pre-initialized>"); 4160 4161 Looper.prepareMainLooper(); 4162 if (sMainThreadHandler == null) { 4163 sMainThreadHandler = new Handler(); 4164 } 4165 4166 ActivityThread thread = new ActivityThread(); 4167 thread.attach(false); 4168 4169 if (false) { 4170 Looper.myLooper().setMessageLogging(new 4171 LogPrinter(Log.DEBUG, "ActivityThread")); 4172 } 4173 4174 Looper.loop(); 4175 4176 throw new RuntimeException("Main thread loop unexpectedly exited"); 4177 } 4178} 4179