ActivityThread.java revision 399cccb85749e02f6d3e12d1d2846310e7cbfdf1 
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.ServiceConnection;
29import android.content.pm.ActivityInfo;
30import android.content.pm.ApplicationInfo;
31import android.content.pm.IPackageManager;
32import android.content.pm.InstrumentationInfo;
33import android.content.pm.PackageManager;
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.os.Bundle;
46import android.os.Debug;
47import android.os.Handler;
48import android.os.IBinder;
49import android.os.Looper;
50import android.os.Message;
51import android.os.MessageQueue;
52import android.os.ParcelFileDescriptor;
53import android.os.Process;
54import android.os.RemoteException;
55import android.os.ServiceManager;
56import android.os.SystemClock;
57import android.util.AndroidRuntimeException;
58import android.util.Config;
59import android.util.DisplayMetrics;
60import android.util.EventLog;
61import android.util.Log;
62import android.util.Slog;
63import android.view.Display;
64import android.view.View;
65import android.view.ViewDebug;
66import android.view.ViewManager;
67import android.view.ViewRoot;
68import android.view.Window;
69import android.view.WindowManager;
70import android.view.WindowManagerImpl;
71
72import com.android.internal.os.BinderInternal;
73import com.android.internal.os.RuntimeInit;
74import com.android.internal.os.SamplingProfilerIntegration;
75import com.android.internal.util.ArrayUtils;
76
77import org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl;
78
79import java.io.File;
80import java.io.FileDescriptor;
81import java.io.FileOutputStream;
82import java.io.IOException;
83import java.io.InputStream;
84import java.io.PrintWriter;
85import java.lang.ref.WeakReference;
86import java.net.URL;
87import java.util.ArrayList;
88import java.util.Enumeration;
89import java.util.HashMap;
90import java.util.Iterator;
91import java.util.List;
92import java.util.Locale;
93import java.util.Map;
94import java.util.TimeZone;
95import java.util.regex.Pattern;
96
97import dalvik.system.SamplingProfiler;
98
99final class IntentReceiverLeaked extends AndroidRuntimeException {
100    public IntentReceiverLeaked(String msg) {
101        super(msg);
102    }
103}
104
105final class ServiceConnectionLeaked extends AndroidRuntimeException {
106    public ServiceConnectionLeaked(String msg) {
107        super(msg);
108    }
109}
110
111final class SuperNotCalledException extends AndroidRuntimeException {
112    public SuperNotCalledException(String msg) {
113        super(msg);
114    }
115}
116
117/**
118 * This manages the execution of the main thread in an
119 * application process, scheduling and executing activities,
120 * broadcasts, and other operations on it as the activity
121 * manager requests.
122 *
123 * {@hide}
124 */
125public final class ActivityThread {
126    private static final String TAG = "ActivityThread";
127    private static final boolean DEBUG = false;
128    private static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV;
129    private static final boolean DEBUG_BROADCAST = false;
130    private static final boolean DEBUG_RESULTS = false;
131    private static final boolean DEBUG_BACKUP = false;
132    private static final boolean DEBUG_CONFIGURATION = false;
133    private static final long MIN_TIME_BETWEEN_GCS = 5*1000;
134    private static final Pattern PATTERN_SEMICOLON = Pattern.compile(";");
135    private static final int SQLITE_MEM_RELEASED_EVENT_LOG_TAG = 75003;
136    private static final int LOG_ON_PAUSE_CALLED = 30021;
137    private static final int LOG_ON_RESUME_CALLED = 30022;
138
139
140    public static final ActivityThread currentActivityThread() {
141        return (ActivityThread)sThreadLocal.get();
142    }
143
144    public static final String currentPackageName()
145    {
146        ActivityThread am = currentActivityThread();
147        return (am != null && am.mBoundApplication != null)
148            ? am.mBoundApplication.processName : null;
149    }
150
151    public static IPackageManager getPackageManager() {
152        if (sPackageManager != null) {
153            //Slog.v("PackageManager", "returning cur default = " + sPackageManager);
154            return sPackageManager;
155        }
156        IBinder b = ServiceManager.getService("package");
157        //Slog.v("PackageManager", "default service binder = " + b);
158        sPackageManager = IPackageManager.Stub.asInterface(b);
159        //Slog.v("PackageManager", "default service = " + sPackageManager);
160        return sPackageManager;
161    }
162
163    DisplayMetrics getDisplayMetricsLocked(boolean forceUpdate) {
164        if (mDisplayMetrics != null && !forceUpdate) {
165            return mDisplayMetrics;
166        }
167        if (mDisplay == null) {
168            WindowManager wm = WindowManagerImpl.getDefault();
169            mDisplay = wm.getDefaultDisplay();
170        }
171        DisplayMetrics metrics = mDisplayMetrics = new DisplayMetrics();
172        mDisplay.getMetrics(metrics);
173        //Slog.i("foo", "New metrics: w=" + metrics.widthPixels + " h="
174        //        + metrics.heightPixels + " den=" + metrics.density
175        //        + " xdpi=" + metrics.xdpi + " ydpi=" + metrics.ydpi);
176        return metrics;
177    }
178
179    /**
180     * Creates the top level Resources for applications with the given compatibility info.
181     *
182     * @param resDir the resource directory.
183     * @param compInfo the compability info. It will use the default compatibility info when it's
184     * null.
185     */
186    Resources getTopLevelResources(String resDir, CompatibilityInfo compInfo) {
187        ResourcesKey key = new ResourcesKey(resDir, compInfo.applicationScale);
188        Resources r;
189        synchronized (mPackages) {
190            // Resources is app scale dependent.
191            if (false) {
192                Slog.w(TAG, "getTopLevelResources: " + resDir + " / "
193                        + compInfo.applicationScale);
194            }
195            WeakReference<Resources> wr = mActiveResources.get(key);
196            r = wr != null ? wr.get() : null;
197            if (r != null && r.getAssets().isUpToDate()) {
198                if (false) {
199                    Slog.w(TAG, "Returning cached resources " + r + " " + resDir
200                            + ": appScale=" + r.getCompatibilityInfo().applicationScale);
201                }
202                return r;
203            }
204        }
205
206        //if (r != null) {
207        //    Slog.w(TAG, "Throwing away out-of-date resources!!!! "
208        //            + r + " " + resDir);
209        //}
210
211        AssetManager assets = new AssetManager();
212        if (assets.addAssetPath(resDir) == 0) {
213            return null;
214        }
215
216        //Slog.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics);
217        DisplayMetrics metrics = getDisplayMetricsLocked(false);
218        r = new Resources(assets, metrics, getConfiguration(), compInfo);
219        if (false) {
220            Slog.i(TAG, "Created app resources " + resDir + " " + r + ": "
221                    + r.getConfiguration() + " appScale="
222                    + r.getCompatibilityInfo().applicationScale);
223        }
224
225        synchronized (mPackages) {
226            WeakReference<Resources> wr = mActiveResources.get(key);
227            Resources existing = wr != null ? wr.get() : null;
228            if (existing != null && existing.getAssets().isUpToDate()) {
229                // Someone else already created the resources while we were
230                // unlocked; go ahead and use theirs.
231                r.getAssets().close();
232                return existing;
233            }
234
235            // XXX need to remove entries when weak references go away
236            mActiveResources.put(key, new WeakReference<Resources>(r));
237            return r;
238        }
239    }
240
241    /**
242     * Creates the top level resources for the given package.
243     */
244    Resources getTopLevelResources(String resDir, PackageInfo pkgInfo) {
245        return getTopLevelResources(resDir, pkgInfo.mCompatibilityInfo);
246    }
247
248    final Handler getHandler() {
249        return mH;
250    }
251
252    public final static class PackageInfo {
253
254        private final ActivityThread mActivityThread;
255        private final ApplicationInfo mApplicationInfo;
256        private final String mPackageName;
257        private final String mAppDir;
258        private final String mResDir;
259        private final String[] mSharedLibraries;
260        private final String mDataDir;
261        private final File mDataDirFile;
262        private final ClassLoader mBaseClassLoader;
263        private final boolean mSecurityViolation;
264        private final boolean mIncludeCode;
265        private Resources mResources;
266        private ClassLoader mClassLoader;
267        private Application mApplication;
268        private CompatibilityInfo mCompatibilityInfo;
269
270        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mReceivers
271            = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
272        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mUnregisteredReceivers
273        = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
274        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mServices
275            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
276        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mUnboundServices
277            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
278
279        int mClientCount = 0;
280
281        Application getApplication() {
282            return mApplication;
283        }
284
285        public PackageInfo(ActivityThread activityThread, ApplicationInfo aInfo,
286                ActivityThread mainThread, ClassLoader baseLoader,
287                boolean securityViolation, boolean includeCode) {
288            mActivityThread = activityThread;
289            mApplicationInfo = aInfo;
290            mPackageName = aInfo.packageName;
291            mAppDir = aInfo.sourceDir;
292            mResDir = aInfo.uid == Process.myUid() ? aInfo.sourceDir
293                    : aInfo.publicSourceDir;
294            mSharedLibraries = aInfo.sharedLibraryFiles;
295            mDataDir = aInfo.dataDir;
296            mDataDirFile = mDataDir != null ? new File(mDataDir) : null;
297            mBaseClassLoader = baseLoader;
298            mSecurityViolation = securityViolation;
299            mIncludeCode = includeCode;
300            mCompatibilityInfo = new CompatibilityInfo(aInfo);
301
302            if (mAppDir == null) {
303                if (mSystemContext == null) {
304                    mSystemContext =
305                        ContextImpl.createSystemContext(mainThread);
306                    mSystemContext.getResources().updateConfiguration(
307                             mainThread.getConfiguration(),
308                             mainThread.getDisplayMetricsLocked(false));
309                    //Slog.i(TAG, "Created system resources "
310                    //        + mSystemContext.getResources() + ": "
311                    //        + mSystemContext.getResources().getConfiguration());
312                }
313                mClassLoader = mSystemContext.getClassLoader();
314                mResources = mSystemContext.getResources();
315            }
316        }
317
318        public PackageInfo(ActivityThread activityThread, String name,
319                Context systemContext, ApplicationInfo info) {
320            mActivityThread = activityThread;
321            mApplicationInfo = info != null ? info : new ApplicationInfo();
322            mApplicationInfo.packageName = name;
323            mPackageName = name;
324            mAppDir = null;
325            mResDir = null;
326            mSharedLibraries = null;
327            mDataDir = null;
328            mDataDirFile = null;
329            mBaseClassLoader = null;
330            mSecurityViolation = false;
331            mIncludeCode = true;
332            mClassLoader = systemContext.getClassLoader();
333            mResources = systemContext.getResources();
334            mCompatibilityInfo = new CompatibilityInfo(mApplicationInfo);
335        }
336
337        public String getPackageName() {
338            return mPackageName;
339        }
340
341        public ApplicationInfo getApplicationInfo() {
342            return mApplicationInfo;
343        }
344
345        public boolean isSecurityViolation() {
346            return mSecurityViolation;
347        }
348
349        /**
350         * Gets the array of shared libraries that are listed as
351         * used by the given package.
352         *
353         * @param packageName the name of the package (note: not its
354         * file name)
355         * @return null-ok; the array of shared libraries, each one
356         * a fully-qualified path
357         */
358        private static String[] getLibrariesFor(String packageName) {
359            ApplicationInfo ai = null;
360            try {
361                ai = getPackageManager().getApplicationInfo(packageName,
362                        PackageManager.GET_SHARED_LIBRARY_FILES);
363            } catch (RemoteException e) {
364                throw new AssertionError(e);
365            }
366
367            if (ai == null) {
368                return null;
369            }
370
371            return ai.sharedLibraryFiles;
372        }
373
374        /**
375         * Combines two arrays (of library names) such that they are
376         * concatenated in order but are devoid of duplicates. The
377         * result is a single string with the names of the libraries
378         * separated by colons, or <code>null</code> if both lists
379         * were <code>null</code> or empty.
380         *
381         * @param list1 null-ok; the first list
382         * @param list2 null-ok; the second list
383         * @return null-ok; the combination
384         */
385        private static String combineLibs(String[] list1, String[] list2) {
386            StringBuilder result = new StringBuilder(300);
387            boolean first = true;
388
389            if (list1 != null) {
390                for (String s : list1) {
391                    if (first) {
392                        first = false;
393                    } else {
394                        result.append(':');
395                    }
396                    result.append(s);
397                }
398            }
399
400            // Only need to check for duplicates if list1 was non-empty.
401            boolean dupCheck = !first;
402
403            if (list2 != null) {
404                for (String s : list2) {
405                    if (dupCheck && ArrayUtils.contains(list1, s)) {
406                        continue;
407                    }
408
409                    if (first) {
410                        first = false;
411                    } else {
412                        result.append(':');
413                    }
414                    result.append(s);
415                }
416            }
417
418            return result.toString();
419        }
420
421        public ClassLoader getClassLoader() {
422            synchronized (this) {
423                if (mClassLoader != null) {
424                    return mClassLoader;
425                }
426
427                if (mIncludeCode && !mPackageName.equals("android")) {
428                    String zip = mAppDir;
429
430                    /*
431                     * The following is a bit of a hack to inject
432                     * instrumentation into the system: If the app
433                     * being started matches one of the instrumentation names,
434                     * then we combine both the "instrumentation" and
435                     * "instrumented" app into the path, along with the
436                     * concatenation of both apps' shared library lists.
437                     */
438
439                    String instrumentationAppDir =
440                            mActivityThread.mInstrumentationAppDir;
441                    String instrumentationAppPackage =
442                            mActivityThread.mInstrumentationAppPackage;
443                    String instrumentedAppDir =
444                            mActivityThread.mInstrumentedAppDir;
445                    String[] instrumentationLibs = null;
446
447                    if (mAppDir.equals(instrumentationAppDir)
448                            || mAppDir.equals(instrumentedAppDir)) {
449                        zip = instrumentationAppDir + ":" + instrumentedAppDir;
450                        if (! instrumentedAppDir.equals(instrumentationAppDir)) {
451                            instrumentationLibs =
452                                getLibrariesFor(instrumentationAppPackage);
453                        }
454                    }
455
456                    if ((mSharedLibraries != null) ||
457                            (instrumentationLibs != null)) {
458                        zip =
459                            combineLibs(mSharedLibraries, instrumentationLibs)
460                            + ':' + zip;
461                    }
462
463                    /*
464                     * With all the combination done (if necessary, actually
465                     * create the class loader.
466                     */
467
468                    if (localLOGV) Slog.v(TAG, "Class path: " + zip);
469
470                    mClassLoader =
471                        ApplicationLoaders.getDefault().getClassLoader(
472                            zip, mDataDir, mBaseClassLoader);
473                    initializeJavaContextClassLoader();
474                } else {
475                    if (mBaseClassLoader == null) {
476                        mClassLoader = ClassLoader.getSystemClassLoader();
477                    } else {
478                        mClassLoader = mBaseClassLoader;
479                    }
480                }
481                return mClassLoader;
482            }
483        }
484
485        /**
486         * Setup value for Thread.getContextClassLoader(). If the
487         * package will not run in in a VM with other packages, we set
488         * the Java context ClassLoader to the
489         * PackageInfo.getClassLoader value. However, if this VM can
490         * contain multiple packages, we intead set the Java context
491         * ClassLoader to a proxy that will warn about the use of Java
492         * context ClassLoaders and then fall through to use the
493         * system ClassLoader.
494         *
495         * <p> Note that this is similar to but not the same as the
496         * android.content.Context.getClassLoader(). While both
497         * context class loaders are typically set to the
498         * PathClassLoader used to load the package archive in the
499         * single application per VM case, a single Android process
500         * may contain several Contexts executing on one thread with
501         * their own logical ClassLoaders while the Java context
502         * ClassLoader is a thread local. This is why in the case when
503         * we have multiple packages per VM we do not set the Java
504         * context ClassLoader to an arbitrary but instead warn the
505         * user to set their own if we detect that they are using a
506         * Java library that expects it to be set.
507         */
508        private void initializeJavaContextClassLoader() {
509            IPackageManager pm = getPackageManager();
510            android.content.pm.PackageInfo pi;
511            try {
512                pi = pm.getPackageInfo(mPackageName, 0);
513            } catch (RemoteException e) {
514                throw new AssertionError(e);
515            }
516            /*
517             * Two possible indications that this package could be
518             * sharing its virtual machine with other packages:
519             *
520             * 1.) the sharedUserId attribute is set in the manifest,
521             *     indicating a request to share a VM with other
522             *     packages with the same sharedUserId.
523             *
524             * 2.) the application element of the manifest has an
525             *     attribute specifying a non-default process name,
526             *     indicating the desire to run in another packages VM.
527             */
528            boolean sharedUserIdSet = (pi.sharedUserId != null);
529            boolean processNameNotDefault =
530                (pi.applicationInfo != null &&
531                 !mPackageName.equals(pi.applicationInfo.processName));
532            boolean sharable = (sharedUserIdSet || processNameNotDefault);
533            ClassLoader contextClassLoader =
534                (sharable)
535                ? new WarningContextClassLoader()
536                : mClassLoader;
537            Thread.currentThread().setContextClassLoader(contextClassLoader);
538        }
539
540        private static class WarningContextClassLoader extends ClassLoader {
541
542            private static boolean warned = false;
543
544            private void warn(String methodName) {
545                if (warned) {
546                    return;
547                }
548                warned = true;
549                Thread.currentThread().setContextClassLoader(getParent());
550                Slog.w(TAG, "ClassLoader." + methodName + ": " +
551                      "The class loader returned by " +
552                      "Thread.getContextClassLoader() may fail for processes " +
553                      "that host multiple applications. You should explicitly " +
554                      "specify a context class loader. For example: " +
555                      "Thread.setContextClassLoader(getClass().getClassLoader());");
556            }
557
558            @Override public URL getResource(String resName) {
559                warn("getResource");
560                return getParent().getResource(resName);
561            }
562
563            @Override public Enumeration<URL> getResources(String resName) throws IOException {
564                warn("getResources");
565                return getParent().getResources(resName);
566            }
567
568            @Override public InputStream getResourceAsStream(String resName) {
569                warn("getResourceAsStream");
570                return getParent().getResourceAsStream(resName);
571            }
572
573            @Override public Class<?> loadClass(String className) throws ClassNotFoundException {
574                warn("loadClass");
575                return getParent().loadClass(className);
576            }
577
578            @Override public void setClassAssertionStatus(String cname, boolean enable) {
579                warn("setClassAssertionStatus");
580                getParent().setClassAssertionStatus(cname, enable);
581            }
582
583            @Override public void setPackageAssertionStatus(String pname, boolean enable) {
584                warn("setPackageAssertionStatus");
585                getParent().setPackageAssertionStatus(pname, enable);
586            }
587
588            @Override public void setDefaultAssertionStatus(boolean enable) {
589                warn("setDefaultAssertionStatus");
590                getParent().setDefaultAssertionStatus(enable);
591            }
592
593            @Override public void clearAssertionStatus() {
594                warn("clearAssertionStatus");
595                getParent().clearAssertionStatus();
596            }
597        }
598
599        public String getAppDir() {
600            return mAppDir;
601        }
602
603        public String getResDir() {
604            return mResDir;
605        }
606
607        public String getDataDir() {
608            return mDataDir;
609        }
610
611        public File getDataDirFile() {
612            return mDataDirFile;
613        }
614
615        public AssetManager getAssets(ActivityThread mainThread) {
616            return getResources(mainThread).getAssets();
617        }
618
619        public Resources getResources(ActivityThread mainThread) {
620            if (mResources == null) {
621                mResources = mainThread.getTopLevelResources(mResDir, this);
622            }
623            return mResources;
624        }
625
626        public Application makeApplication(boolean forceDefaultAppClass,
627                Instrumentation instrumentation) {
628            if (mApplication != null) {
629                return mApplication;
630            }
631
632            Application app = null;
633
634            String appClass = mApplicationInfo.className;
635            if (forceDefaultAppClass || (appClass == null)) {
636                appClass = "android.app.Application";
637            }
638
639            try {
640                java.lang.ClassLoader cl = getClassLoader();
641                ContextImpl appContext = new ContextImpl();
642                appContext.init(this, null, mActivityThread);
643                app = mActivityThread.mInstrumentation.newApplication(
644                        cl, appClass, appContext);
645                appContext.setOuterContext(app);
646            } catch (Exception e) {
647                if (!mActivityThread.mInstrumentation.onException(app, e)) {
648                    throw new RuntimeException(
649                        "Unable to instantiate application " + appClass
650                        + ": " + e.toString(), e);
651                }
652            }
653            mActivityThread.mAllApplications.add(app);
654            mApplication = app;
655
656            if (instrumentation != null) {
657                try {
658                    instrumentation.callApplicationOnCreate(app);
659                } catch (Exception e) {
660                    if (!instrumentation.onException(app, e)) {
661                        throw new RuntimeException(
662                            "Unable to create application " + app.getClass().getName()
663                            + ": " + e.toString(), e);
664                    }
665                }
666            }
667
668            return app;
669        }
670
671        public void removeContextRegistrations(Context context,
672                String who, String what) {
673            HashMap<BroadcastReceiver, ReceiverDispatcher> rmap =
674                mReceivers.remove(context);
675            if (rmap != null) {
676                Iterator<ReceiverDispatcher> it = rmap.values().iterator();
677                while (it.hasNext()) {
678                    ReceiverDispatcher rd = it.next();
679                    IntentReceiverLeaked leak = new IntentReceiverLeaked(
680                            what + " " + who + " has leaked IntentReceiver "
681                            + rd.getIntentReceiver() + " that was " +
682                            "originally registered here. Are you missing a " +
683                            "call to unregisterReceiver()?");
684                    leak.setStackTrace(rd.getLocation().getStackTrace());
685                    Slog.e(TAG, leak.getMessage(), leak);
686                    try {
687                        ActivityManagerNative.getDefault().unregisterReceiver(
688                                rd.getIIntentReceiver());
689                    } catch (RemoteException e) {
690                        // system crashed, nothing we can do
691                    }
692                }
693            }
694            mUnregisteredReceivers.remove(context);
695            //Slog.i(TAG, "Receiver registrations: " + mReceivers);
696            HashMap<ServiceConnection, ServiceDispatcher> smap =
697                mServices.remove(context);
698            if (smap != null) {
699                Iterator<ServiceDispatcher> it = smap.values().iterator();
700                while (it.hasNext()) {
701                    ServiceDispatcher sd = it.next();
702                    ServiceConnectionLeaked leak = new ServiceConnectionLeaked(
703                            what + " " + who + " has leaked ServiceConnection "
704                            + sd.getServiceConnection() + " that was originally bound here");
705                    leak.setStackTrace(sd.getLocation().getStackTrace());
706                    Slog.e(TAG, leak.getMessage(), leak);
707                    try {
708                        ActivityManagerNative.getDefault().unbindService(
709                                sd.getIServiceConnection());
710                    } catch (RemoteException e) {
711                        // system crashed, nothing we can do
712                    }
713                    sd.doForget();
714                }
715            }
716            mUnboundServices.remove(context);
717            //Slog.i(TAG, "Service registrations: " + mServices);
718        }
719
720        public IIntentReceiver getReceiverDispatcher(BroadcastReceiver r,
721                Context context, Handler handler,
722                Instrumentation instrumentation, boolean registered) {
723            synchronized (mReceivers) {
724                ReceiverDispatcher rd = null;
725                HashMap<BroadcastReceiver, ReceiverDispatcher> map = null;
726                if (registered) {
727                    map = mReceivers.get(context);
728                    if (map != null) {
729                        rd = map.get(r);
730                    }
731                }
732                if (rd == null) {
733                    rd = new ReceiverDispatcher(r, context, handler,
734                            instrumentation, registered);
735                    if (registered) {
736                        if (map == null) {
737                            map = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
738                            mReceivers.put(context, map);
739                        }
740                        map.put(r, rd);
741                    }
742                } else {
743                    rd.validate(context, handler);
744                }
745                return rd.getIIntentReceiver();
746            }
747        }
748
749        public IIntentReceiver forgetReceiverDispatcher(Context context,
750                BroadcastReceiver r) {
751            synchronized (mReceivers) {
752                HashMap<BroadcastReceiver, ReceiverDispatcher> map = mReceivers.get(context);
753                ReceiverDispatcher rd = null;
754                if (map != null) {
755                    rd = map.get(r);
756                    if (rd != null) {
757                        map.remove(r);
758                        if (map.size() == 0) {
759                            mReceivers.remove(context);
760                        }
761                        if (r.getDebugUnregister()) {
762                            HashMap<BroadcastReceiver, ReceiverDispatcher> holder
763                                    = mUnregisteredReceivers.get(context);
764                            if (holder == null) {
765                                holder = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
766                                mUnregisteredReceivers.put(context, holder);
767                            }
768                            RuntimeException ex = new IllegalArgumentException(
769                                    "Originally unregistered here:");
770                            ex.fillInStackTrace();
771                            rd.setUnregisterLocation(ex);
772                            holder.put(r, rd);
773                        }
774                        return rd.getIIntentReceiver();
775                    }
776                }
777                HashMap<BroadcastReceiver, ReceiverDispatcher> holder
778                        = mUnregisteredReceivers.get(context);
779                if (holder != null) {
780                    rd = holder.get(r);
781                    if (rd != null) {
782                        RuntimeException ex = rd.getUnregisterLocation();
783                        throw new IllegalArgumentException(
784                                "Unregistering Receiver " + r
785                                + " that was already unregistered", ex);
786                    }
787                }
788                if (context == null) {
789                    throw new IllegalStateException("Unbinding Receiver " + r
790                            + " from Context that is no longer in use: " + context);
791                } else {
792                    throw new IllegalArgumentException("Receiver not registered: " + r);
793                }
794
795            }
796        }
797
798        static final class ReceiverDispatcher {
799
800            final static class InnerReceiver extends IIntentReceiver.Stub {
801                final WeakReference<ReceiverDispatcher> mDispatcher;
802                final ReceiverDispatcher mStrongRef;
803
804                InnerReceiver(ReceiverDispatcher rd, boolean strong) {
805                    mDispatcher = new WeakReference<ReceiverDispatcher>(rd);
806                    mStrongRef = strong ? rd : null;
807                }
808                public void performReceive(Intent intent, int resultCode,
809                        String data, Bundle extras, boolean ordered, boolean sticky) {
810                    ReceiverDispatcher rd = mDispatcher.get();
811                    if (DEBUG_BROADCAST) {
812                        int seq = intent.getIntExtra("seq", -1);
813                        Slog.i(TAG, "Receiving broadcast " + intent.getAction() + " seq=" + seq
814                                + " to " + (rd != null ? rd.mReceiver : null));
815                    }
816                    if (rd != null) {
817                        rd.performReceive(intent, resultCode, data, extras,
818                                ordered, sticky);
819                    } else {
820                        // The activity manager dispatched a broadcast to a registered
821                        // receiver in this process, but before it could be delivered the
822                        // receiver was unregistered.  Acknowledge the broadcast on its
823                        // behalf so that the system's broadcast sequence can continue.
824                        if (DEBUG_BROADCAST) Slog.i(TAG,
825                                "Finishing broadcast to unregistered receiver");
826                        IActivityManager mgr = ActivityManagerNative.getDefault();
827                        try {
828                            mgr.finishReceiver(this, resultCode, data, extras, false);
829                        } catch (RemoteException e) {
830                            Slog.w(TAG, "Couldn't finish broadcast to unregistered receiver");
831                        }
832                    }
833                }
834            }
835
836            final IIntentReceiver.Stub mIIntentReceiver;
837            final BroadcastReceiver mReceiver;
838            final Context mContext;
839            final Handler mActivityThread;
840            final Instrumentation mInstrumentation;
841            final boolean mRegistered;
842            final IntentReceiverLeaked mLocation;
843            RuntimeException mUnregisterLocation;
844
845            final class Args implements Runnable {
846                private Intent mCurIntent;
847                private int mCurCode;
848                private String mCurData;
849                private Bundle mCurMap;
850                private boolean mCurOrdered;
851                private boolean mCurSticky;
852
853                public void run() {
854                    BroadcastReceiver receiver = mReceiver;
855                    if (DEBUG_BROADCAST) {
856                        int seq = mCurIntent.getIntExtra("seq", -1);
857                        Slog.i(TAG, "Dispatching broadcast " + mCurIntent.getAction()
858                                + " seq=" + seq + " to " + mReceiver);
859                        Slog.i(TAG, "  mRegistered=" + mRegistered
860                                + " mCurOrdered=" + mCurOrdered);
861                    }
862
863                    IActivityManager mgr = ActivityManagerNative.getDefault();
864                    Intent intent = mCurIntent;
865                    mCurIntent = null;
866
867                    if (receiver == null) {
868                        if (mRegistered && mCurOrdered) {
869                            try {
870                                if (DEBUG_BROADCAST) Slog.i(TAG,
871                                        "Finishing null broadcast to " + mReceiver);
872                                mgr.finishReceiver(mIIntentReceiver,
873                                        mCurCode, mCurData, mCurMap, false);
874                            } catch (RemoteException ex) {
875                            }
876                        }
877                        return;
878                    }
879
880                    try {
881                        ClassLoader cl =  mReceiver.getClass().getClassLoader();
882                        intent.setExtrasClassLoader(cl);
883                        if (mCurMap != null) {
884                            mCurMap.setClassLoader(cl);
885                        }
886                        receiver.setOrderedHint(true);
887                        receiver.setResult(mCurCode, mCurData, mCurMap);
888                        receiver.clearAbortBroadcast();
889                        receiver.setOrderedHint(mCurOrdered);
890                        receiver.setInitialStickyHint(mCurSticky);
891                        receiver.onReceive(mContext, intent);
892                    } catch (Exception e) {
893                        if (mRegistered && mCurOrdered) {
894                            try {
895                                if (DEBUG_BROADCAST) Slog.i(TAG,
896                                        "Finishing failed broadcast to " + mReceiver);
897                                mgr.finishReceiver(mIIntentReceiver,
898                                        mCurCode, mCurData, mCurMap, false);
899                            } catch (RemoteException ex) {
900                            }
901                        }
902                        if (mInstrumentation == null ||
903                                !mInstrumentation.onException(mReceiver, e)) {
904                            throw new RuntimeException(
905                                "Error receiving broadcast " + intent
906                                + " in " + mReceiver, e);
907                        }
908                    }
909                    if (mRegistered && mCurOrdered) {
910                        try {
911                            if (DEBUG_BROADCAST) Slog.i(TAG,
912                                    "Finishing broadcast to " + mReceiver);
913                            mgr.finishReceiver(mIIntentReceiver,
914                                    receiver.getResultCode(),
915                                    receiver.getResultData(),
916                                    receiver.getResultExtras(false),
917                                    receiver.getAbortBroadcast());
918                        } catch (RemoteException ex) {
919                        }
920                    }
921                }
922            }
923
924            ReceiverDispatcher(BroadcastReceiver receiver, Context context,
925                    Handler activityThread, Instrumentation instrumentation,
926                    boolean registered) {
927                if (activityThread == null) {
928                    throw new NullPointerException("Handler must not be null");
929                }
930
931                mIIntentReceiver = new InnerReceiver(this, !registered);
932                mReceiver = receiver;
933                mContext = context;
934                mActivityThread = activityThread;
935                mInstrumentation = instrumentation;
936                mRegistered = registered;
937                mLocation = new IntentReceiverLeaked(null);
938                mLocation.fillInStackTrace();
939            }
940
941            void validate(Context context, Handler activityThread) {
942                if (mContext != context) {
943                    throw new IllegalStateException(
944                        "Receiver " + mReceiver +
945                        " registered with differing Context (was " +
946                        mContext + " now " + context + ")");
947                }
948                if (mActivityThread != activityThread) {
949                    throw new IllegalStateException(
950                        "Receiver " + mReceiver +
951                        " registered with differing handler (was " +
952                        mActivityThread + " now " + activityThread + ")");
953                }
954            }
955
956            IntentReceiverLeaked getLocation() {
957                return mLocation;
958            }
959
960            BroadcastReceiver getIntentReceiver() {
961                return mReceiver;
962            }
963
964            IIntentReceiver getIIntentReceiver() {
965                return mIIntentReceiver;
966            }
967
968            void setUnregisterLocation(RuntimeException ex) {
969                mUnregisterLocation = ex;
970            }
971
972            RuntimeException getUnregisterLocation() {
973                return mUnregisterLocation;
974            }
975
976            public void performReceive(Intent intent, int resultCode,
977                    String data, Bundle extras, boolean ordered, boolean sticky) {
978                if (DEBUG_BROADCAST) {
979                    int seq = intent.getIntExtra("seq", -1);
980                    Slog.i(TAG, "Enqueueing broadcast " + intent.getAction() + " seq=" + seq
981                            + " to " + mReceiver);
982                }
983                Args args = new Args();
984                args.mCurIntent = intent;
985                args.mCurCode = resultCode;
986                args.mCurData = data;
987                args.mCurMap = extras;
988                args.mCurOrdered = ordered;
989                args.mCurSticky = sticky;
990                if (!mActivityThread.post(args)) {
991                    if (mRegistered && ordered) {
992                        IActivityManager mgr = ActivityManagerNative.getDefault();
993                        try {
994                            if (DEBUG_BROADCAST) Slog.i(TAG,
995                                    "Finishing sync broadcast to " + mReceiver);
996                            mgr.finishReceiver(mIIntentReceiver, args.mCurCode,
997                                    args.mCurData, args.mCurMap, false);
998                        } catch (RemoteException ex) {
999                        }
1000                    }
1001                }
1002            }
1003
1004        }
1005
1006        public final IServiceConnection getServiceDispatcher(ServiceConnection c,
1007                Context context, Handler handler, int flags) {
1008            synchronized (mServices) {
1009                ServiceDispatcher sd = null;
1010                HashMap<ServiceConnection, ServiceDispatcher> map = mServices.get(context);
1011                if (map != null) {
1012                    sd = map.get(c);
1013                }
1014                if (sd == null) {
1015                    sd = new ServiceDispatcher(c, context, handler, flags);
1016                    if (map == null) {
1017                        map = new HashMap<ServiceConnection, ServiceDispatcher>();
1018                        mServices.put(context, map);
1019                    }
1020                    map.put(c, sd);
1021                } else {
1022                    sd.validate(context, handler);
1023                }
1024                return sd.getIServiceConnection();
1025            }
1026        }
1027
1028        public final IServiceConnection forgetServiceDispatcher(Context context,
1029                ServiceConnection c) {
1030            synchronized (mServices) {
1031                HashMap<ServiceConnection, ServiceDispatcher> map
1032                        = mServices.get(context);
1033                ServiceDispatcher sd = null;
1034                if (map != null) {
1035                    sd = map.get(c);
1036                    if (sd != null) {
1037                        map.remove(c);
1038                        sd.doForget();
1039                        if (map.size() == 0) {
1040                            mServices.remove(context);
1041                        }
1042                        if ((sd.getFlags()&Context.BIND_DEBUG_UNBIND) != 0) {
1043                            HashMap<ServiceConnection, ServiceDispatcher> holder
1044                                    = mUnboundServices.get(context);
1045                            if (holder == null) {
1046                                holder = new HashMap<ServiceConnection, ServiceDispatcher>();
1047                                mUnboundServices.put(context, holder);
1048                            }
1049                            RuntimeException ex = new IllegalArgumentException(
1050                                    "Originally unbound here:");
1051                            ex.fillInStackTrace();
1052                            sd.setUnbindLocation(ex);
1053                            holder.put(c, sd);
1054                        }
1055                        return sd.getIServiceConnection();
1056                    }
1057                }
1058                HashMap<ServiceConnection, ServiceDispatcher> holder
1059                        = mUnboundServices.get(context);
1060                if (holder != null) {
1061                    sd = holder.get(c);
1062                    if (sd != null) {
1063                        RuntimeException ex = sd.getUnbindLocation();
1064                        throw new IllegalArgumentException(
1065                                "Unbinding Service " + c
1066                                + " that was already unbound", ex);
1067                    }
1068                }
1069                if (context == null) {
1070                    throw new IllegalStateException("Unbinding Service " + c
1071                            + " from Context that is no longer in use: " + context);
1072                } else {
1073                    throw new IllegalArgumentException("Service not registered: " + c);
1074                }
1075            }
1076        }
1077
1078        static final class ServiceDispatcher {
1079            private final InnerConnection mIServiceConnection;
1080            private final ServiceConnection mConnection;
1081            private final Context mContext;
1082            private final Handler mActivityThread;
1083            private final ServiceConnectionLeaked mLocation;
1084            private final int mFlags;
1085
1086            private RuntimeException mUnbindLocation;
1087
1088            private boolean mDied;
1089
1090            private static class ConnectionInfo {
1091                IBinder binder;
1092                IBinder.DeathRecipient deathMonitor;
1093            }
1094
1095            private static class InnerConnection extends IServiceConnection.Stub {
1096                final WeakReference<ServiceDispatcher> mDispatcher;
1097
1098                InnerConnection(ServiceDispatcher sd) {
1099                    mDispatcher = new WeakReference<ServiceDispatcher>(sd);
1100                }
1101
1102                public void connected(ComponentName name, IBinder service) throws RemoteException {
1103                    ServiceDispatcher sd = mDispatcher.get();
1104                    if (sd != null) {
1105                        sd.connected(name, service);
1106                    }
1107                }
1108            }
1109
1110            private final HashMap<ComponentName, ConnectionInfo> mActiveConnections
1111                = new HashMap<ComponentName, ConnectionInfo>();
1112
1113            ServiceDispatcher(ServiceConnection conn,
1114                    Context context, Handler activityThread, int flags) {
1115                mIServiceConnection = new InnerConnection(this);
1116                mConnection = conn;
1117                mContext = context;
1118                mActivityThread = activityThread;
1119                mLocation = new ServiceConnectionLeaked(null);
1120                mLocation.fillInStackTrace();
1121                mFlags = flags;
1122            }
1123
1124            void validate(Context context, Handler activityThread) {
1125                if (mContext != context) {
1126                    throw new RuntimeException(
1127                        "ServiceConnection " + mConnection +
1128                        " registered with differing Context (was " +
1129                        mContext + " now " + context + ")");
1130                }
1131                if (mActivityThread != activityThread) {
1132                    throw new RuntimeException(
1133                        "ServiceConnection " + mConnection +
1134                        " registered with differing handler (was " +
1135                        mActivityThread + " now " + activityThread + ")");
1136                }
1137            }
1138
1139            void doForget() {
1140                synchronized(this) {
1141                    Iterator<ConnectionInfo> it = mActiveConnections.values().iterator();
1142                    while (it.hasNext()) {
1143                        ConnectionInfo ci = it.next();
1144                        ci.binder.unlinkToDeath(ci.deathMonitor, 0);
1145                    }
1146                    mActiveConnections.clear();
1147                }
1148            }
1149
1150            ServiceConnectionLeaked getLocation() {
1151                return mLocation;
1152            }
1153
1154            ServiceConnection getServiceConnection() {
1155                return mConnection;
1156            }
1157
1158            IServiceConnection getIServiceConnection() {
1159                return mIServiceConnection;
1160            }
1161
1162            int getFlags() {
1163                return mFlags;
1164            }
1165
1166            void setUnbindLocation(RuntimeException ex) {
1167                mUnbindLocation = ex;
1168            }
1169
1170            RuntimeException getUnbindLocation() {
1171                return mUnbindLocation;
1172            }
1173
1174            public void connected(ComponentName name, IBinder service) {
1175                if (mActivityThread != null) {
1176                    mActivityThread.post(new RunConnection(name, service, 0));
1177                } else {
1178                    doConnected(name, service);
1179                }
1180            }
1181
1182            public void death(ComponentName name, IBinder service) {
1183                ConnectionInfo old;
1184
1185                synchronized (this) {
1186                    mDied = true;
1187                    old = mActiveConnections.remove(name);
1188                    if (old == null || old.binder != service) {
1189                        // Death for someone different than who we last
1190                        // reported...  just ignore it.
1191                        return;
1192                    }
1193                    old.binder.unlinkToDeath(old.deathMonitor, 0);
1194                }
1195
1196                if (mActivityThread != null) {
1197                    mActivityThread.post(new RunConnection(name, service, 1));
1198                } else {
1199                    doDeath(name, service);
1200                }
1201            }
1202
1203            public void doConnected(ComponentName name, IBinder service) {
1204                ConnectionInfo old;
1205                ConnectionInfo info;
1206
1207                synchronized (this) {
1208                    old = mActiveConnections.get(name);
1209                    if (old != null && old.binder == service) {
1210                        // Huh, already have this one.  Oh well!
1211                        return;
1212                    }
1213
1214                    if (service != null) {
1215                        // A new service is being connected... set it all up.
1216                        mDied = false;
1217                        info = new ConnectionInfo();
1218                        info.binder = service;
1219                        info.deathMonitor = new DeathMonitor(name, service);
1220                        try {
1221                            service.linkToDeath(info.deathMonitor, 0);
1222                            mActiveConnections.put(name, info);
1223                        } catch (RemoteException e) {
1224                            // This service was dead before we got it...  just
1225                            // don't do anything with it.
1226                            mActiveConnections.remove(name);
1227                            return;
1228                        }
1229
1230                    } else {
1231                        // The named service is being disconnected... clean up.
1232                        mActiveConnections.remove(name);
1233                    }
1234
1235                    if (old != null) {
1236                        old.binder.unlinkToDeath(old.deathMonitor, 0);
1237                    }
1238                }
1239
1240                // If there was an old service, it is not disconnected.
1241                if (old != null) {
1242                    mConnection.onServiceDisconnected(name);
1243                }
1244                // If there is a new service, it is now connected.
1245                if (service != null) {
1246                    mConnection.onServiceConnected(name, service);
1247                }
1248            }
1249
1250            public void doDeath(ComponentName name, IBinder service) {
1251                mConnection.onServiceDisconnected(name);
1252            }
1253
1254            private final class RunConnection implements Runnable {
1255                RunConnection(ComponentName name, IBinder service, int command) {
1256                    mName = name;
1257                    mService = service;
1258                    mCommand = command;
1259                }
1260
1261                public void run() {
1262                    if (mCommand == 0) {
1263                        doConnected(mName, mService);
1264                    } else if (mCommand == 1) {
1265                        doDeath(mName, mService);
1266                    }
1267                }
1268
1269                final ComponentName mName;
1270                final IBinder mService;
1271                final int mCommand;
1272            }
1273
1274            private final class DeathMonitor implements IBinder.DeathRecipient
1275            {
1276                DeathMonitor(ComponentName name, IBinder service) {
1277                    mName = name;
1278                    mService = service;
1279                }
1280
1281                public void binderDied() {
1282                    death(mName, mService);
1283                }
1284
1285                final ComponentName mName;
1286                final IBinder mService;
1287            }
1288        }
1289    }
1290
1291    private static ContextImpl mSystemContext = null;
1292
1293    private static final class ActivityRecord {
1294        IBinder token;
1295        int ident;
1296        Intent intent;
1297        Bundle state;
1298        Activity activity;
1299        Window window;
1300        Activity parent;
1301        String embeddedID;
1302        Object lastNonConfigurationInstance;
1303        HashMap<String,Object> lastNonConfigurationChildInstances;
1304        boolean paused;
1305        boolean stopped;
1306        boolean hideForNow;
1307        Configuration newConfig;
1308        Configuration createdConfig;
1309        ActivityRecord nextIdle;
1310
1311        ActivityInfo activityInfo;
1312        PackageInfo packageInfo;
1313
1314        List<ResultInfo> pendingResults;
1315        List<Intent> pendingIntents;
1316
1317        boolean startsNotResumed;
1318        boolean isForward;
1319
1320        ActivityRecord() {
1321            parent = null;
1322            embeddedID = null;
1323            paused = false;
1324            stopped = false;
1325            hideForNow = false;
1326            nextIdle = null;
1327        }
1328
1329        public String toString() {
1330            ComponentName componentName = intent.getComponent();
1331            return "ActivityRecord{"
1332                + Integer.toHexString(System.identityHashCode(this))
1333                + " token=" + token + " " + (componentName == null
1334                        ? "no component name" : componentName.toShortString())
1335                + "}";
1336        }
1337    }
1338
1339    private final class ProviderRecord implements IBinder.DeathRecipient {
1340        final String mName;
1341        final IContentProvider mProvider;
1342        final ContentProvider mLocalProvider;
1343
1344        ProviderRecord(String name, IContentProvider provider,
1345                ContentProvider localProvider) {
1346            mName = name;
1347            mProvider = provider;
1348            mLocalProvider = localProvider;
1349        }
1350
1351        public void binderDied() {
1352            removeDeadProvider(mName, mProvider);
1353        }
1354    }
1355
1356    private static final class NewIntentData {
1357        List<Intent> intents;
1358        IBinder token;
1359        public String toString() {
1360            return "NewIntentData{intents=" + intents + " token=" + token + "}";
1361        }
1362    }
1363
1364    private static final class ReceiverData {
1365        Intent intent;
1366        ActivityInfo info;
1367        int resultCode;
1368        String resultData;
1369        Bundle resultExtras;
1370        boolean sync;
1371        boolean resultAbort;
1372        public String toString() {
1373            return "ReceiverData{intent=" + intent + " packageName=" +
1374            info.packageName + " resultCode=" + resultCode
1375            + " resultData=" + resultData + " resultExtras=" + resultExtras + "}";
1376        }
1377    }
1378
1379    private static final class CreateBackupAgentData {
1380        ApplicationInfo appInfo;
1381        int backupMode;
1382        public String toString() {
1383            return "CreateBackupAgentData{appInfo=" + appInfo
1384                    + " backupAgent=" + appInfo.backupAgentName
1385                    + " mode=" + backupMode + "}";
1386        }
1387    }
1388
1389    private static final class CreateServiceData {
1390        IBinder token;
1391        ServiceInfo info;
1392        Intent intent;
1393        public String toString() {
1394            return "CreateServiceData{token=" + token + " className="
1395            + info.name + " packageName=" + info.packageName
1396            + " intent=" + intent + "}";
1397        }
1398    }
1399
1400    private static final class BindServiceData {
1401        IBinder token;
1402        Intent intent;
1403        boolean rebind;
1404        public String toString() {
1405            return "BindServiceData{token=" + token + " intent=" + intent + "}";
1406        }
1407    }
1408
1409    private static final class ServiceArgsData {
1410        IBinder token;
1411        int startId;
1412        int flags;
1413        Intent args;
1414        public String toString() {
1415            return "ServiceArgsData{token=" + token + " startId=" + startId
1416            + " args=" + args + "}";
1417        }
1418    }
1419
1420    private static final class AppBindData {
1421        PackageInfo info;
1422        String processName;
1423        ApplicationInfo appInfo;
1424        List<ProviderInfo> providers;
1425        ComponentName instrumentationName;
1426        String profileFile;
1427        Bundle instrumentationArgs;
1428        IInstrumentationWatcher instrumentationWatcher;
1429        int debugMode;
1430        boolean restrictedBackupMode;
1431        Configuration config;
1432        boolean handlingProfiling;
1433        public String toString() {
1434            return "AppBindData{appInfo=" + appInfo + "}";
1435        }
1436    }
1437
1438    private static final class DumpServiceInfo {
1439        FileDescriptor fd;
1440        IBinder service;
1441        String[] args;
1442        boolean dumped;
1443    }
1444
1445    private static final class ResultData {
1446        IBinder token;
1447        List<ResultInfo> results;
1448        public String toString() {
1449            return "ResultData{token=" + token + " results" + results + "}";
1450        }
1451    }
1452
1453    private static final class ContextCleanupInfo {
1454        ContextImpl context;
1455        String what;
1456        String who;
1457    }
1458
1459    private static final class ProfilerControlData {
1460        String path;
1461        ParcelFileDescriptor fd;
1462    }
1463
1464    private final class ApplicationThread extends ApplicationThreadNative {
1465        private static final String HEAP_COLUMN = "%17s %8s %8s %8s %8s";
1466        private static final String ONE_COUNT_COLUMN = "%17s %8d";
1467        private static final String TWO_COUNT_COLUMNS = "%17s %8d %17s %8d";
1468        private static final String DB_INFO_FORMAT = "  %8d %8d %10d  %s";
1469
1470        // Formatting for checkin service - update version if row format changes
1471        private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1;
1472
1473        public final void schedulePauseActivity(IBinder token, boolean finished,
1474                boolean userLeaving, int configChanges) {
1475            queueOrSendMessage(
1476                    finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY,
1477                    token,
1478                    (userLeaving ? 1 : 0),
1479                    configChanges);
1480        }
1481
1482        public final void scheduleStopActivity(IBinder token, boolean showWindow,
1483                int configChanges) {
1484           queueOrSendMessage(
1485                showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE,
1486                token, 0, configChanges);
1487        }
1488
1489        public final void scheduleWindowVisibility(IBinder token, boolean showWindow) {
1490            queueOrSendMessage(
1491                showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW,
1492                token);
1493        }
1494
1495        public final void scheduleResumeActivity(IBinder token, boolean isForward) {
1496            queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0);
1497        }
1498
1499        public final void scheduleSendResult(IBinder token, List<ResultInfo> results) {
1500            ResultData res = new ResultData();
1501            res.token = token;
1502            res.results = results;
1503            queueOrSendMessage(H.SEND_RESULT, res);
1504        }
1505
1506        // we use token to identify this activity without having to send the
1507        // activity itself back to the activity manager. (matters more with ipc)
1508        public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident,
1509                ActivityInfo info, Bundle state, List<ResultInfo> pendingResults,
1510                List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) {
1511            ActivityRecord r = new ActivityRecord();
1512
1513            r.token = token;
1514            r.ident = ident;
1515            r.intent = intent;
1516            r.activityInfo = info;
1517            r.state = state;
1518
1519            r.pendingResults = pendingResults;
1520            r.pendingIntents = pendingNewIntents;
1521
1522            r.startsNotResumed = notResumed;
1523            r.isForward = isForward;
1524
1525            queueOrSendMessage(H.LAUNCH_ACTIVITY, r);
1526        }
1527
1528        public final void scheduleRelaunchActivity(IBinder token,
1529                List<ResultInfo> pendingResults, List<Intent> pendingNewIntents,
1530                int configChanges, boolean notResumed, Configuration config) {
1531            ActivityRecord r = new ActivityRecord();
1532
1533            r.token = token;
1534            r.pendingResults = pendingResults;
1535            r.pendingIntents = pendingNewIntents;
1536            r.startsNotResumed = notResumed;
1537            r.createdConfig = config;
1538
1539            synchronized (mPackages) {
1540                mRelaunchingActivities.add(r);
1541            }
1542
1543            queueOrSendMessage(H.RELAUNCH_ACTIVITY, r, configChanges);
1544        }
1545
1546        public final void scheduleNewIntent(List<Intent> intents, IBinder token) {
1547            NewIntentData data = new NewIntentData();
1548            data.intents = intents;
1549            data.token = token;
1550
1551            queueOrSendMessage(H.NEW_INTENT, data);
1552        }
1553
1554        public final void scheduleDestroyActivity(IBinder token, boolean finishing,
1555                int configChanges) {
1556            queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0,
1557                    configChanges);
1558        }
1559
1560        public final void scheduleReceiver(Intent intent, ActivityInfo info,
1561                int resultCode, String data, Bundle extras, boolean sync) {
1562            ReceiverData r = new ReceiverData();
1563
1564            r.intent = intent;
1565            r.info = info;
1566            r.resultCode = resultCode;
1567            r.resultData = data;
1568            r.resultExtras = extras;
1569            r.sync = sync;
1570
1571            queueOrSendMessage(H.RECEIVER, r);
1572        }
1573
1574        public final void scheduleCreateBackupAgent(ApplicationInfo app, int backupMode) {
1575            CreateBackupAgentData d = new CreateBackupAgentData();
1576            d.appInfo = app;
1577            d.backupMode = backupMode;
1578
1579            queueOrSendMessage(H.CREATE_BACKUP_AGENT, d);
1580        }
1581
1582        public final void scheduleDestroyBackupAgent(ApplicationInfo app) {
1583            CreateBackupAgentData d = new CreateBackupAgentData();
1584            d.appInfo = app;
1585
1586            queueOrSendMessage(H.DESTROY_BACKUP_AGENT, d);
1587        }
1588
1589        public final void scheduleCreateService(IBinder token,
1590                ServiceInfo info) {
1591            CreateServiceData s = new CreateServiceData();
1592            s.token = token;
1593            s.info = info;
1594
1595            queueOrSendMessage(H.CREATE_SERVICE, s);
1596        }
1597
1598        public final void scheduleBindService(IBinder token, Intent intent,
1599                boolean rebind) {
1600            BindServiceData s = new BindServiceData();
1601            s.token = token;
1602            s.intent = intent;
1603            s.rebind = rebind;
1604
1605            queueOrSendMessage(H.BIND_SERVICE, s);
1606        }
1607
1608        public final void scheduleUnbindService(IBinder token, Intent intent) {
1609            BindServiceData s = new BindServiceData();
1610            s.token = token;
1611            s.intent = intent;
1612
1613            queueOrSendMessage(H.UNBIND_SERVICE, s);
1614        }
1615
1616        public final void scheduleServiceArgs(IBinder token, int startId,
1617            int flags ,Intent args) {
1618            ServiceArgsData s = new ServiceArgsData();
1619            s.token = token;
1620            s.startId = startId;
1621            s.flags = flags;
1622            s.args = args;
1623
1624            queueOrSendMessage(H.SERVICE_ARGS, s);
1625        }
1626
1627        public final void scheduleStopService(IBinder token) {
1628            queueOrSendMessage(H.STOP_SERVICE, token);
1629        }
1630
1631        public final void bindApplication(String processName,
1632                ApplicationInfo appInfo, List<ProviderInfo> providers,
1633                ComponentName instrumentationName, String profileFile,
1634                Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher,
1635                int debugMode, boolean isRestrictedBackupMode, Configuration config,
1636                Map<String, IBinder> services) {
1637
1638            if (services != null) {
1639                // Setup the service cache in the ServiceManager
1640                ServiceManager.initServiceCache(services);
1641            }
1642
1643            AppBindData data = new AppBindData();
1644            data.processName = processName;
1645            data.appInfo = appInfo;
1646            data.providers = providers;
1647            data.instrumentationName = instrumentationName;
1648            data.profileFile = profileFile;
1649            data.instrumentationArgs = instrumentationArgs;
1650            data.instrumentationWatcher = instrumentationWatcher;
1651            data.debugMode = debugMode;
1652            data.restrictedBackupMode = isRestrictedBackupMode;
1653            data.config = config;
1654            queueOrSendMessage(H.BIND_APPLICATION, data);
1655        }
1656
1657        public final void scheduleExit() {
1658            queueOrSendMessage(H.EXIT_APPLICATION, null);
1659        }
1660
1661        public final void scheduleSuicide() {
1662            queueOrSendMessage(H.SUICIDE, null);
1663        }
1664
1665        public void requestThumbnail(IBinder token) {
1666            queueOrSendMessage(H.REQUEST_THUMBNAIL, token);
1667        }
1668
1669        public void scheduleConfigurationChanged(Configuration config) {
1670            synchronized (mPackages) {
1671                if (mPendingConfiguration == null ||
1672                        mPendingConfiguration.isOtherSeqNewer(config)) {
1673                    mPendingConfiguration = config;
1674                }
1675            }
1676            queueOrSendMessage(H.CONFIGURATION_CHANGED, config);
1677        }
1678
1679        public void updateTimeZone() {
1680            TimeZone.setDefault(null);
1681        }
1682
1683        public void processInBackground() {
1684            mH.removeMessages(H.GC_WHEN_IDLE);
1685            mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));
1686        }
1687
1688        public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) {
1689            DumpServiceInfo data = new DumpServiceInfo();
1690            data.fd = fd;
1691            data.service = servicetoken;
1692            data.args = args;
1693            data.dumped = false;
1694            queueOrSendMessage(H.DUMP_SERVICE, data);
1695            synchronized (data) {
1696                while (!data.dumped) {
1697                    try {
1698                        data.wait();
1699                    } catch (InterruptedException e) {
1700                        // no need to do anything here, we will keep waiting until
1701                        // dumped is set
1702                    }
1703                }
1704            }
1705        }
1706
1707        // This function exists to make sure all receiver dispatching is
1708        // correctly ordered, since these are one-way calls and the binder driver
1709        // applies transaction ordering per object for such calls.
1710        public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent,
1711                int resultCode, String dataStr, Bundle extras, boolean ordered,
1712                boolean sticky) throws RemoteException {
1713            receiver.performReceive(intent, resultCode, dataStr, extras, ordered, sticky);
1714        }
1715
1716        public void scheduleLowMemory() {
1717            queueOrSendMessage(H.LOW_MEMORY, null);
1718        }
1719
1720        public void scheduleActivityConfigurationChanged(IBinder token) {
1721            queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token);
1722        }
1723
1724        public void requestPss() {
1725            try {
1726                ActivityManagerNative.getDefault().reportPss(this,
1727                        (int)Process.getPss(Process.myPid()));
1728            } catch (RemoteException e) {
1729            }
1730        }
1731
1732        public void profilerControl(boolean start, String path, ParcelFileDescriptor fd) {
1733            ProfilerControlData pcd = new ProfilerControlData();
1734            pcd.path = path;
1735            pcd.fd = fd;
1736            queueOrSendMessage(H.PROFILER_CONTROL, pcd, start ? 1 : 0);
1737        }
1738
1739        public void setSchedulingGroup(int group) {
1740            // Note: do this immediately, since going into the foreground
1741            // should happen regardless of what pending work we have to do
1742            // and the activity manager will wait for us to report back that
1743            // we are done before sending us to the background.
1744            try {
1745                Process.setProcessGroup(Process.myPid(), group);
1746            } catch (Exception e) {
1747                Slog.w(TAG, "Failed setting process group to " + group, e);
1748            }
1749        }
1750
1751        public void getMemoryInfo(Debug.MemoryInfo outInfo) {
1752            Debug.getMemoryInfo(outInfo);
1753        }
1754
1755        @Override
1756        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
1757            long nativeMax = Debug.getNativeHeapSize() / 1024;
1758            long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
1759            long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
1760
1761            Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
1762            Debug.getMemoryInfo(memInfo);
1763
1764            final int nativeShared = memInfo.nativeSharedDirty;
1765            final int dalvikShared = memInfo.dalvikSharedDirty;
1766            final int otherShared = memInfo.otherSharedDirty;
1767
1768            final int nativePrivate = memInfo.nativePrivateDirty;
1769            final int dalvikPrivate = memInfo.dalvikPrivateDirty;
1770            final int otherPrivate = memInfo.otherPrivateDirty;
1771
1772            Runtime runtime = Runtime.getRuntime();
1773
1774            long dalvikMax = runtime.totalMemory() / 1024;
1775            long dalvikFree = runtime.freeMemory() / 1024;
1776            long dalvikAllocated = dalvikMax - dalvikFree;
1777            long viewInstanceCount = ViewDebug.getViewInstanceCount();
1778            long viewRootInstanceCount = ViewDebug.getViewRootInstanceCount();
1779            long appContextInstanceCount = ContextImpl.getInstanceCount();
1780            long activityInstanceCount = Activity.getInstanceCount();
1781            int globalAssetCount = AssetManager.getGlobalAssetCount();
1782            int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
1783            int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
1784            int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
1785            int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
1786            int openSslSocketCount = OpenSSLSocketImpl.getInstanceCount();
1787            long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024;
1788            SQLiteDebug.PagerStats stats = SQLiteDebug.getDatabaseInfo();
1789
1790            // Check to see if we were called by checkin server. If so, print terse format.
1791            boolean doCheckinFormat = false;
1792            if (args != null) {
1793                for (String arg : args) {
1794                    if ("-c".equals(arg)) doCheckinFormat = true;
1795                }
1796            }
1797
1798            // For checkin, we print one long comma-separated list of values
1799            if (doCheckinFormat) {
1800                // NOTE: if you change anything significant below, also consider changing
1801                // ACTIVITY_THREAD_CHECKIN_VERSION.
1802                String processName = (mBoundApplication != null)
1803                        ? mBoundApplication.processName : "unknown";
1804
1805                // Header
1806                pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(',');
1807                pw.print(Process.myPid()); pw.print(',');
1808                pw.print(processName); pw.print(',');
1809
1810                // Heap info - max
1811                pw.print(nativeMax); pw.print(',');
1812                pw.print(dalvikMax); pw.print(',');
1813                pw.print("N/A,");
1814                pw.print(nativeMax + dalvikMax); pw.print(',');
1815
1816                // Heap info - allocated
1817                pw.print(nativeAllocated); pw.print(',');
1818                pw.print(dalvikAllocated); pw.print(',');
1819                pw.print("N/A,");
1820                pw.print(nativeAllocated + dalvikAllocated); pw.print(',');
1821
1822                // Heap info - free
1823                pw.print(nativeFree); pw.print(',');
1824                pw.print(dalvikFree); pw.print(',');
1825                pw.print("N/A,");
1826                pw.print(nativeFree + dalvikFree); pw.print(',');
1827
1828                // Heap info - proportional set size
1829                pw.print(memInfo.nativePss); pw.print(',');
1830                pw.print(memInfo.dalvikPss); pw.print(',');
1831                pw.print(memInfo.otherPss); pw.print(',');
1832                pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(',');
1833
1834                // Heap info - shared
1835                pw.print(nativeShared); pw.print(',');
1836                pw.print(dalvikShared); pw.print(',');
1837                pw.print(otherShared); pw.print(',');
1838                pw.print(nativeShared + dalvikShared + otherShared); pw.print(',');
1839
1840                // Heap info - private
1841                pw.print(nativePrivate); pw.print(',');
1842                pw.print(dalvikPrivate); pw.print(',');
1843                pw.print(otherPrivate); pw.print(',');
1844                pw.print(nativePrivate + dalvikPrivate + otherPrivate); pw.print(',');
1845
1846                // Object counts
1847                pw.print(viewInstanceCount); pw.print(',');
1848                pw.print(viewRootInstanceCount); pw.print(',');
1849                pw.print(appContextInstanceCount); pw.print(',');
1850                pw.print(activityInstanceCount); pw.print(',');
1851
1852                pw.print(globalAssetCount); pw.print(',');
1853                pw.print(globalAssetManagerCount); pw.print(',');
1854                pw.print(binderLocalObjectCount); pw.print(',');
1855                pw.print(binderProxyObjectCount); pw.print(',');
1856
1857                pw.print(binderDeathObjectCount); pw.print(',');
1858                pw.print(openSslSocketCount); pw.print(',');
1859
1860                // SQL
1861                pw.print(sqliteAllocated); pw.print(',');
1862                pw.print(stats.memoryUsed / 1024); pw.print(',');
1863                pw.print(stats.pageCacheOverflo / 1024); pw.print(',');
1864                pw.print(stats.largestMemAlloc / 1024); pw.print(',');
1865                for (int i = 0; i < stats.dbStats.size(); i++) {
1866                    DbStats dbStats = stats.dbStats.get(i);
1867                    printRow(pw, DB_INFO_FORMAT, dbStats.pageSize, dbStats.dbSize,
1868                            dbStats.lookaside, dbStats.dbName);
1869                    pw.print(',');
1870                }
1871
1872                return;
1873            }
1874
1875            // otherwise, show human-readable format
1876            printRow(pw, HEAP_COLUMN, "", "native", "dalvik", "other", "total");
1877            printRow(pw, HEAP_COLUMN, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
1878            printRow(pw, HEAP_COLUMN, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
1879                    nativeAllocated + dalvikAllocated);
1880            printRow(pw, HEAP_COLUMN, "free:", nativeFree, dalvikFree, "N/A",
1881                    nativeFree + dalvikFree);
1882
1883            printRow(pw, HEAP_COLUMN, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
1884                    memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);
1885
1886            printRow(pw, HEAP_COLUMN, "(shared dirty):", nativeShared, dalvikShared, otherShared,
1887                    nativeShared + dalvikShared + otherShared);
1888            printRow(pw, HEAP_COLUMN, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
1889                    nativePrivate + dalvikPrivate + otherPrivate);
1890
1891            pw.println(" ");
1892            pw.println(" Objects");
1893            printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRoots:",
1894                    viewRootInstanceCount);
1895
1896            printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount,
1897                    "Activities:", activityInstanceCount);
1898
1899            printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount,
1900                    "AssetManagers:", globalAssetManagerCount);
1901
1902            printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount,
1903                    "Proxy Binders:", binderProxyObjectCount);
1904            printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount);
1905
1906            printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount);
1907
1908            // SQLite mem info
1909            pw.println(" ");
1910            pw.println(" SQL");
1911            printRow(pw, TWO_COUNT_COLUMNS, "heap:", sqliteAllocated, "memoryUsed:",
1912                    stats.memoryUsed / 1024);
1913            printRow(pw, TWO_COUNT_COLUMNS, "pageCacheOverflo:", stats.pageCacheOverflo / 1024,
1914                    "largestMemAlloc:", stats.largestMemAlloc / 1024);
1915            pw.println(" ");
1916            int N = stats.dbStats.size();
1917            if (N > 0) {
1918                pw.println(" DATABASES");
1919                printRow(pw, "  %8s %8s %10s  %s", "Pagesize", "Dbsize", "Lookaside", "Dbname");
1920                for (int i = 0; i < N; i++) {
1921                    DbStats dbStats = stats.dbStats.get(i);
1922                    printRow(pw, DB_INFO_FORMAT, dbStats.pageSize, dbStats.dbSize,
1923                            dbStats.lookaside, dbStats.dbName);
1924                }
1925            }
1926
1927            // Asset details.
1928            String assetAlloc = AssetManager.getAssetAllocations();
1929            if (assetAlloc != null) {
1930                pw.println(" ");
1931                pw.println(" Asset Allocations");
1932                pw.print(assetAlloc);
1933            }
1934        }
1935
1936        private void printRow(PrintWriter pw, String format, Object...objs) {
1937            pw.println(String.format(format, objs));
1938        }
1939    }
1940
1941    private final class H extends Handler {
1942        private H() {
1943            SamplingProfiler.getInstance().setEventThread(mLooper.getThread());
1944        }
1945
1946        public static final int LAUNCH_ACTIVITY         = 100;
1947        public static final int PAUSE_ACTIVITY          = 101;
1948        public static final int PAUSE_ACTIVITY_FINISHING= 102;
1949        public static final int STOP_ACTIVITY_SHOW      = 103;
1950        public static final int STOP_ACTIVITY_HIDE      = 104;
1951        public static final int SHOW_WINDOW             = 105;
1952        public static final int HIDE_WINDOW             = 106;
1953        public static final int RESUME_ACTIVITY         = 107;
1954        public static final int SEND_RESULT             = 108;
1955        public static final int DESTROY_ACTIVITY         = 109;
1956        public static final int BIND_APPLICATION        = 110;
1957        public static final int EXIT_APPLICATION        = 111;
1958        public static final int NEW_INTENT              = 112;
1959        public static final int RECEIVER                = 113;
1960        public static final int CREATE_SERVICE          = 114;
1961        public static final int SERVICE_ARGS            = 115;
1962        public static final int STOP_SERVICE            = 116;
1963        public static final int REQUEST_THUMBNAIL       = 117;
1964        public static final int CONFIGURATION_CHANGED   = 118;
1965        public static final int CLEAN_UP_CONTEXT        = 119;
1966        public static final int GC_WHEN_IDLE            = 120;
1967        public static final int BIND_SERVICE            = 121;
1968        public static final int UNBIND_SERVICE          = 122;
1969        public static final int DUMP_SERVICE            = 123;
1970        public static final int LOW_MEMORY              = 124;
1971        public static final int ACTIVITY_CONFIGURATION_CHANGED = 125;
1972        public static final int RELAUNCH_ACTIVITY       = 126;
1973        public static final int PROFILER_CONTROL        = 127;
1974        public static final int CREATE_BACKUP_AGENT     = 128;
1975        public static final int DESTROY_BACKUP_AGENT    = 129;
1976        public static final int SUICIDE                 = 130;
1977        public static final int REMOVE_PROVIDER         = 131;
1978        public static final int ENABLE_JIT              = 132;
1979        String codeToString(int code) {
1980            if (localLOGV) {
1981                switch (code) {
1982                    case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY";
1983                    case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY";
1984                    case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING";
1985                    case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW";
1986                    case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE";
1987                    case SHOW_WINDOW: return "SHOW_WINDOW";
1988                    case HIDE_WINDOW: return "HIDE_WINDOW";
1989                    case RESUME_ACTIVITY: return "RESUME_ACTIVITY";
1990                    case SEND_RESULT: return "SEND_RESULT";
1991                    case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY";
1992                    case BIND_APPLICATION: return "BIND_APPLICATION";
1993                    case EXIT_APPLICATION: return "EXIT_APPLICATION";
1994                    case NEW_INTENT: return "NEW_INTENT";
1995                    case RECEIVER: return "RECEIVER";
1996                    case CREATE_SERVICE: return "CREATE_SERVICE";
1997                    case SERVICE_ARGS: return "SERVICE_ARGS";
1998                    case STOP_SERVICE: return "STOP_SERVICE";
1999                    case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL";
2000                    case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED";
2001                    case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT";
2002                    case GC_WHEN_IDLE: return "GC_WHEN_IDLE";
2003                    case BIND_SERVICE: return "BIND_SERVICE";
2004                    case UNBIND_SERVICE: return "UNBIND_SERVICE";
2005                    case DUMP_SERVICE: return "DUMP_SERVICE";
2006                    case LOW_MEMORY: return "LOW_MEMORY";
2007                    case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED";
2008                    case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY";
2009                    case PROFILER_CONTROL: return "PROFILER_CONTROL";
2010                    case CREATE_BACKUP_AGENT: return "CREATE_BACKUP_AGENT";
2011                    case DESTROY_BACKUP_AGENT: return "DESTROY_BACKUP_AGENT";
2012                    case SUICIDE: return "SUICIDE";
2013                    case REMOVE_PROVIDER: return "REMOVE_PROVIDER";
2014                    case ENABLE_JIT: return "ENABLE_JIT";
2015                }
2016            }
2017            return "(unknown)";
2018        }
2019        public void handleMessage(Message msg) {
2020            switch (msg.what) {
2021                case LAUNCH_ACTIVITY: {
2022                    ActivityRecord r = (ActivityRecord)msg.obj;
2023
2024                    r.packageInfo = getPackageInfoNoCheck(
2025                            r.activityInfo.applicationInfo);
2026                    handleLaunchActivity(r, null);
2027                } break;
2028                case RELAUNCH_ACTIVITY: {
2029                    ActivityRecord r = (ActivityRecord)msg.obj;
2030                    handleRelaunchActivity(r, msg.arg1);
2031                } break;
2032                case PAUSE_ACTIVITY:
2033                    handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2);
2034                    maybeSnapshot();
2035                    break;
2036                case PAUSE_ACTIVITY_FINISHING:
2037                    handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2);
2038                    break;
2039                case STOP_ACTIVITY_SHOW:
2040                    handleStopActivity((IBinder)msg.obj, true, msg.arg2);
2041                    break;
2042                case STOP_ACTIVITY_HIDE:
2043                    handleStopActivity((IBinder)msg.obj, false, msg.arg2);
2044                    break;
2045                case SHOW_WINDOW:
2046                    handleWindowVisibility((IBinder)msg.obj, true);
2047                    break;
2048                case HIDE_WINDOW:
2049                    handleWindowVisibility((IBinder)msg.obj, false);
2050                    break;
2051                case RESUME_ACTIVITY:
2052                    handleResumeActivity((IBinder)msg.obj, true,
2053                            msg.arg1 != 0);
2054                    break;
2055                case SEND_RESULT:
2056                    handleSendResult((ResultData)msg.obj);
2057                    break;
2058                case DESTROY_ACTIVITY:
2059                    handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0,
2060                            msg.arg2, false);
2061                    break;
2062                case BIND_APPLICATION:
2063                    AppBindData data = (AppBindData)msg.obj;
2064                    handleBindApplication(data);
2065                    break;
2066                case EXIT_APPLICATION:
2067                    if (mInitialApplication != null) {
2068                        mInitialApplication.onTerminate();
2069                    }
2070                    Looper.myLooper().quit();
2071                    break;
2072                case NEW_INTENT:
2073                    handleNewIntent((NewIntentData)msg.obj);
2074                    break;
2075                case RECEIVER:
2076                    handleReceiver((ReceiverData)msg.obj);
2077                    maybeSnapshot();
2078                    break;
2079                case CREATE_SERVICE:
2080                    handleCreateService((CreateServiceData)msg.obj);
2081                    break;
2082                case BIND_SERVICE:
2083                    handleBindService((BindServiceData)msg.obj);
2084                    break;
2085                case UNBIND_SERVICE:
2086                    handleUnbindService((BindServiceData)msg.obj);
2087                    break;
2088                case SERVICE_ARGS:
2089                    handleServiceArgs((ServiceArgsData)msg.obj);
2090                    break;
2091                case STOP_SERVICE:
2092                    handleStopService((IBinder)msg.obj);
2093                    maybeSnapshot();
2094                    break;
2095                case REQUEST_THUMBNAIL:
2096                    handleRequestThumbnail((IBinder)msg.obj);
2097                    break;
2098                case CONFIGURATION_CHANGED:
2099                    handleConfigurationChanged((Configuration)msg.obj);
2100                    break;
2101                case CLEAN_UP_CONTEXT:
2102                    ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj;
2103                    cci.context.performFinalCleanup(cci.who, cci.what);
2104                    break;
2105                case GC_WHEN_IDLE:
2106                    scheduleGcIdler();
2107                    break;
2108                case DUMP_SERVICE:
2109                    handleDumpService((DumpServiceInfo)msg.obj);
2110                    break;
2111                case LOW_MEMORY:
2112                    handleLowMemory();
2113                    break;
2114                case ACTIVITY_CONFIGURATION_CHANGED:
2115                    handleActivityConfigurationChanged((IBinder)msg.obj);
2116                    break;
2117                case PROFILER_CONTROL:
2118                    handleProfilerControl(msg.arg1 != 0, (ProfilerControlData)msg.obj);
2119                    break;
2120                case CREATE_BACKUP_AGENT:
2121                    handleCreateBackupAgent((CreateBackupAgentData)msg.obj);
2122                    break;
2123                case DESTROY_BACKUP_AGENT:
2124                    handleDestroyBackupAgent((CreateBackupAgentData)msg.obj);
2125                    break;
2126                case SUICIDE:
2127                    Process.killProcess(Process.myPid());
2128                    break;
2129                case REMOVE_PROVIDER:
2130                    completeRemoveProvider((IContentProvider)msg.obj);
2131                    break;
2132                case ENABLE_JIT:
2133                    ensureJitEnabled();
2134                    break;
2135            }
2136        }
2137
2138        void maybeSnapshot() {
2139            if (mBoundApplication != null) {
2140                SamplingProfilerIntegration.writeSnapshot(
2141                        mBoundApplication.processName);
2142            }
2143        }
2144    }
2145
2146    private final class Idler implements MessageQueue.IdleHandler {
2147        public final boolean queueIdle() {
2148            ActivityRecord a = mNewActivities;
2149            if (a != null) {
2150                mNewActivities = null;
2151                IActivityManager am = ActivityManagerNative.getDefault();
2152                ActivityRecord prev;
2153                do {
2154                    if (localLOGV) Slog.v(
2155                        TAG, "Reporting idle of " + a +
2156                        " finished=" +
2157                        (a.activity != null ? a.activity.mFinished : false));
2158                    if (a.activity != null && !a.activity.mFinished) {
2159                        try {
2160                            am.activityIdle(a.token, a.createdConfig);
2161                            a.createdConfig = null;
2162                        } catch (RemoteException ex) {
2163                        }
2164                    }
2165                    prev = a;
2166                    a = a.nextIdle;
2167                    prev.nextIdle = null;
2168                } while (a != null);
2169            }
2170            ensureJitEnabled();
2171            return false;
2172        }
2173    }
2174
2175    final class GcIdler implements MessageQueue.IdleHandler {
2176        public final boolean queueIdle() {
2177            doGcIfNeeded();
2178            return false;
2179        }
2180    }
2181
2182    private final static class ResourcesKey {
2183        final private String mResDir;
2184        final private float mScale;
2185        final private int mHash;
2186
2187        ResourcesKey(String resDir, float scale) {
2188            mResDir = resDir;
2189            mScale = scale;
2190            mHash = mResDir.hashCode() << 2 + (int) (mScale * 2);
2191        }
2192
2193        @Override
2194        public int hashCode() {
2195            return mHash;
2196        }
2197
2198        @Override
2199        public boolean equals(Object obj) {
2200            if (!(obj instanceof ResourcesKey)) {
2201                return false;
2202            }
2203            ResourcesKey peer = (ResourcesKey) obj;
2204            return mResDir.equals(peer.mResDir) && mScale == peer.mScale;
2205        }
2206    }
2207
2208    static IPackageManager sPackageManager;
2209
2210    final ApplicationThread mAppThread = new ApplicationThread();
2211    final Looper mLooper = Looper.myLooper();
2212    final H mH = new H();
2213    final HashMap<IBinder, ActivityRecord> mActivities
2214            = new HashMap<IBinder, ActivityRecord>();
2215    // List of new activities (via ActivityRecord.nextIdle) that should
2216    // be reported when next we idle.
2217    ActivityRecord mNewActivities = null;
2218    // Number of activities that are currently visible on-screen.
2219    int mNumVisibleActivities = 0;
2220    final HashMap<IBinder, Service> mServices
2221            = new HashMap<IBinder, Service>();
2222    AppBindData mBoundApplication;
2223    Configuration mConfiguration;
2224    Configuration mResConfiguration;
2225    Application mInitialApplication;
2226    final ArrayList<Application> mAllApplications
2227            = new ArrayList<Application>();
2228    // set of instantiated backup agents, keyed by package name
2229    final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>();
2230    static final ThreadLocal sThreadLocal = new ThreadLocal();
2231    Instrumentation mInstrumentation;
2232    String mInstrumentationAppDir = null;
2233    String mInstrumentationAppPackage = null;
2234    String mInstrumentedAppDir = null;
2235    boolean mSystemThread = false;
2236    boolean mJitEnabled = false;
2237
2238    // These can be accessed by multiple threads; mPackages is the lock.
2239    // XXX For now we keep around information about all packages we have
2240    // seen, not removing entries from this map.
2241    final HashMap<String, WeakReference<PackageInfo>> mPackages
2242        = new HashMap<String, WeakReference<PackageInfo>>();
2243    final HashMap<String, WeakReference<PackageInfo>> mResourcePackages
2244        = new HashMap<String, WeakReference<PackageInfo>>();
2245    Display mDisplay = null;
2246    DisplayMetrics mDisplayMetrics = null;
2247    HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources
2248        = new HashMap<ResourcesKey, WeakReference<Resources> >();
2249    final ArrayList<ActivityRecord> mRelaunchingActivities
2250            = new ArrayList<ActivityRecord>();
2251        Configuration mPendingConfiguration = null;
2252
2253    // The lock of mProviderMap protects the following variables.
2254    final HashMap<String, ProviderRecord> mProviderMap
2255        = new HashMap<String, ProviderRecord>();
2256    final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap
2257        = new HashMap<IBinder, ProviderRefCount>();
2258    final HashMap<IBinder, ProviderRecord> mLocalProviders
2259        = new HashMap<IBinder, ProviderRecord>();
2260
2261    final GcIdler mGcIdler = new GcIdler();
2262    boolean mGcIdlerScheduled = false;
2263
2264    public final PackageInfo getPackageInfo(String packageName, int flags) {
2265        synchronized (mPackages) {
2266            WeakReference<PackageInfo> ref;
2267            if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) {
2268                ref = mPackages.get(packageName);
2269            } else {
2270                ref = mResourcePackages.get(packageName);
2271            }
2272            PackageInfo packageInfo = ref != null ? ref.get() : null;
2273            //Slog.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo);
2274            if (packageInfo != null && (packageInfo.mResources == null
2275                    || packageInfo.mResources.getAssets().isUpToDate())) {
2276                if (packageInfo.isSecurityViolation()
2277                        && (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) {
2278                    throw new SecurityException(
2279                            "Requesting code from " + packageName
2280                            + " to be run in process "
2281                            + mBoundApplication.processName
2282                            + "/" + mBoundApplication.appInfo.uid);
2283                }
2284                return packageInfo;
2285            }
2286        }
2287
2288        ApplicationInfo ai = null;
2289        try {
2290            ai = getPackageManager().getApplicationInfo(packageName,
2291                    PackageManager.GET_SHARED_LIBRARY_FILES);
2292        } catch (RemoteException e) {
2293        }
2294
2295        if (ai != null) {
2296            return getPackageInfo(ai, flags);
2297        }
2298
2299        return null;
2300    }
2301
2302    public final PackageInfo getPackageInfo(ApplicationInfo ai, int flags) {
2303        boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0;
2304        boolean securityViolation = includeCode && ai.uid != 0
2305                && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null
2306                        ? ai.uid != mBoundApplication.appInfo.uid : true);
2307        if ((flags&(Context.CONTEXT_INCLUDE_CODE
2308                |Context.CONTEXT_IGNORE_SECURITY))
2309                == Context.CONTEXT_INCLUDE_CODE) {
2310            if (securityViolation) {
2311                String msg = "Requesting code from " + ai.packageName
2312                        + " (with uid " + ai.uid + ")";
2313                if (mBoundApplication != null) {
2314                    msg = msg + " to be run in process "
2315                        + mBoundApplication.processName + " (with uid "
2316                        + mBoundApplication.appInfo.uid + ")";
2317                }
2318                throw new SecurityException(msg);
2319            }
2320        }
2321        return getPackageInfo(ai, null, securityViolation, includeCode);
2322    }
2323
2324    public final PackageInfo getPackageInfoNoCheck(ApplicationInfo ai) {
2325        return getPackageInfo(ai, null, false, true);
2326    }
2327
2328    private final PackageInfo getPackageInfo(ApplicationInfo aInfo,
2329            ClassLoader baseLoader, boolean securityViolation, boolean includeCode) {
2330        synchronized (mPackages) {
2331            WeakReference<PackageInfo> ref;
2332            if (includeCode) {
2333                ref = mPackages.get(aInfo.packageName);
2334            } else {
2335                ref = mResourcePackages.get(aInfo.packageName);
2336            }
2337            PackageInfo packageInfo = ref != null ? ref.get() : null;
2338            if (packageInfo == null || (packageInfo.mResources != null
2339                    && !packageInfo.mResources.getAssets().isUpToDate())) {
2340                if (localLOGV) Slog.v(TAG, (includeCode ? "Loading code package "
2341                        : "Loading resource-only package ") + aInfo.packageName
2342                        + " (in " + (mBoundApplication != null
2343                                ? mBoundApplication.processName : null)
2344                        + ")");
2345                packageInfo =
2346                    new PackageInfo(this, aInfo, this, baseLoader,
2347                            securityViolation, includeCode &&
2348                            (aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0);
2349                if (includeCode) {
2350                    mPackages.put(aInfo.packageName,
2351                            new WeakReference<PackageInfo>(packageInfo));
2352                } else {
2353                    mResourcePackages.put(aInfo.packageName,
2354                            new WeakReference<PackageInfo>(packageInfo));
2355                }
2356            }
2357            return packageInfo;
2358        }
2359    }
2360
2361    public final boolean hasPackageInfo(String packageName) {
2362        synchronized (mPackages) {
2363            WeakReference<PackageInfo> ref;
2364            ref = mPackages.get(packageName);
2365            if (ref != null && ref.get() != null) {
2366                return true;
2367            }
2368            ref = mResourcePackages.get(packageName);
2369            if (ref != null && ref.get() != null) {
2370                return true;
2371            }
2372            return false;
2373        }
2374    }
2375
2376    ActivityThread() {
2377    }
2378
2379    public ApplicationThread getApplicationThread()
2380    {
2381        return mAppThread;
2382    }
2383
2384    public Instrumentation getInstrumentation()
2385    {
2386        return mInstrumentation;
2387    }
2388
2389    public Configuration getConfiguration() {
2390        return mConfiguration;
2391    }
2392
2393    public boolean isProfiling() {
2394        return mBoundApplication != null && mBoundApplication.profileFile != null;
2395    }
2396
2397    public String getProfileFilePath() {
2398        return mBoundApplication.profileFile;
2399    }
2400
2401    public Looper getLooper() {
2402        return mLooper;
2403    }
2404
2405    public Application getApplication() {
2406        return mInitialApplication;
2407    }
2408
2409    public String getProcessName() {
2410        return mBoundApplication.processName;
2411    }
2412
2413    public ContextImpl getSystemContext() {
2414        synchronized (this) {
2415            if (mSystemContext == null) {
2416                ContextImpl context =
2417                    ContextImpl.createSystemContext(this);
2418                PackageInfo info = new PackageInfo(this, "android", context, null);
2419                context.init(info, null, this);
2420                context.getResources().updateConfiguration(
2421                        getConfiguration(), getDisplayMetricsLocked(false));
2422                mSystemContext = context;
2423                //Slog.i(TAG, "Created system resources " + context.getResources()
2424                //        + ": " + context.getResources().getConfiguration());
2425            }
2426        }
2427        return mSystemContext;
2428    }
2429
2430    public void installSystemApplicationInfo(ApplicationInfo info) {
2431        synchronized (this) {
2432            ContextImpl context = getSystemContext();
2433            context.init(new PackageInfo(this, "android", context, info), null, this);
2434        }
2435    }
2436
2437    void ensureJitEnabled() {
2438        if (!mJitEnabled) {
2439            mJitEnabled = true;
2440            dalvik.system.VMRuntime.getRuntime().startJitCompilation();
2441        }
2442    }
2443
2444    void scheduleGcIdler() {
2445        if (!mGcIdlerScheduled) {
2446            mGcIdlerScheduled = true;
2447            Looper.myQueue().addIdleHandler(mGcIdler);
2448        }
2449        mH.removeMessages(H.GC_WHEN_IDLE);
2450    }
2451
2452    void unscheduleGcIdler() {
2453        if (mGcIdlerScheduled) {
2454            mGcIdlerScheduled = false;
2455            Looper.myQueue().removeIdleHandler(mGcIdler);
2456        }
2457        mH.removeMessages(H.GC_WHEN_IDLE);
2458    }
2459
2460    void doGcIfNeeded() {
2461        mGcIdlerScheduled = false;
2462        final long now = SystemClock.uptimeMillis();
2463        //Slog.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime()
2464        //        + "m now=" + now);
2465        if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) {
2466            //Slog.i(TAG, "**** WE DO, WE DO WANT TO GC!");
2467            BinderInternal.forceGc("bg");
2468        }
2469    }
2470
2471    public final ActivityInfo resolveActivityInfo(Intent intent) {
2472        ActivityInfo aInfo = intent.resolveActivityInfo(
2473                mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES);
2474        if (aInfo == null) {
2475            // Throw an exception.
2476            Instrumentation.checkStartActivityResult(
2477                    IActivityManager.START_CLASS_NOT_FOUND, intent);
2478        }
2479        return aInfo;
2480    }
2481
2482    public final Activity startActivityNow(Activity parent, String id,
2483        Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state,
2484        Object lastNonConfigurationInstance) {
2485        ActivityRecord r = new ActivityRecord();
2486            r.token = token;
2487            r.ident = 0;
2488            r.intent = intent;
2489            r.state = state;
2490            r.parent = parent;
2491            r.embeddedID = id;
2492            r.activityInfo = activityInfo;
2493            r.lastNonConfigurationInstance = lastNonConfigurationInstance;
2494        if (localLOGV) {
2495            ComponentName compname = intent.getComponent();
2496            String name;
2497            if (compname != null) {
2498                name = compname.toShortString();
2499            } else {
2500                name = "(Intent " + intent + ").getComponent() returned null";
2501            }
2502            Slog.v(TAG, "Performing launch: action=" + intent.getAction()
2503                    + ", comp=" + name
2504                    + ", token=" + token);
2505        }
2506        return performLaunchActivity(r, null);
2507    }
2508
2509    public final Activity getActivity(IBinder token) {
2510        return mActivities.get(token).activity;
2511    }
2512
2513    public final void sendActivityResult(
2514            IBinder token, String id, int requestCode,
2515            int resultCode, Intent data) {
2516        if (DEBUG_RESULTS) Slog.v(TAG, "sendActivityResult: id=" + id
2517                + " req=" + requestCode + " res=" + resultCode + " data=" + data);
2518        ArrayList<ResultInfo> list = new ArrayList<ResultInfo>();
2519        list.add(new ResultInfo(id, requestCode, resultCode, data));
2520        mAppThread.scheduleSendResult(token, list);
2521    }
2522
2523    // if the thread hasn't started yet, we don't have the handler, so just
2524    // save the messages until we're ready.
2525    private final void queueOrSendMessage(int what, Object obj) {
2526        queueOrSendMessage(what, obj, 0, 0);
2527    }
2528
2529    private final void queueOrSendMessage(int what, Object obj, int arg1) {
2530        queueOrSendMessage(what, obj, arg1, 0);
2531    }
2532
2533    private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
2534        synchronized (this) {
2535            if (localLOGV) Slog.v(
2536                TAG, "SCHEDULE " + what + " " + mH.codeToString(what)
2537                + ": " + arg1 + " / " + obj);
2538            Message msg = Message.obtain();
2539            msg.what = what;
2540            msg.obj = obj;
2541            msg.arg1 = arg1;
2542            msg.arg2 = arg2;
2543            mH.sendMessage(msg);
2544        }
2545    }
2546
2547    final void scheduleContextCleanup(ContextImpl context, String who,
2548            String what) {
2549        ContextCleanupInfo cci = new ContextCleanupInfo();
2550        cci.context = context;
2551        cci.who = who;
2552        cci.what = what;
2553        queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci);
2554    }
2555
2556    private final Activity performLaunchActivity(ActivityRecord r, Intent customIntent) {
2557        // System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")");
2558
2559        ActivityInfo aInfo = r.activityInfo;
2560        if (r.packageInfo == null) {
2561            r.packageInfo = getPackageInfo(aInfo.applicationInfo,
2562                    Context.CONTEXT_INCLUDE_CODE);
2563        }
2564
2565        ComponentName component = r.intent.getComponent();
2566        if (component == null) {
2567            component = r.intent.resolveActivity(
2568                mInitialApplication.getPackageManager());
2569            r.intent.setComponent(component);
2570        }
2571
2572        if (r.activityInfo.targetActivity != null) {
2573            component = new ComponentName(r.activityInfo.packageName,
2574                    r.activityInfo.targetActivity);
2575        }
2576
2577        Activity activity = null;
2578        try {
2579            java.lang.ClassLoader cl = r.packageInfo.getClassLoader();
2580            activity = mInstrumentation.newActivity(
2581                    cl, component.getClassName(), r.intent);
2582            r.intent.setExtrasClassLoader(cl);
2583            if (r.state != null) {
2584                r.state.setClassLoader(cl);
2585            }
2586        } catch (Exception e) {
2587            if (!mInstrumentation.onException(activity, e)) {
2588                throw new RuntimeException(
2589                    "Unable to instantiate activity " + component
2590                    + ": " + e.toString(), e);
2591            }
2592        }
2593
2594        try {
2595            Application app = r.packageInfo.makeApplication(false, mInstrumentation);
2596
2597            if (localLOGV) Slog.v(TAG, "Performing launch of " + r);
2598            if (localLOGV) Slog.v(
2599                    TAG, r + ": app=" + app
2600                    + ", appName=" + app.getPackageName()
2601                    + ", pkg=" + r.packageInfo.getPackageName()
2602                    + ", comp=" + r.intent.getComponent().toShortString()
2603                    + ", dir=" + r.packageInfo.getAppDir());
2604
2605            if (activity != null) {
2606                ContextImpl appContext = new ContextImpl();
2607                appContext.init(r.packageInfo, r.token, this);
2608                appContext.setOuterContext(activity);
2609                CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager());
2610                Configuration config = new Configuration(mConfiguration);
2611                if (DEBUG_CONFIGURATION) Slog.v(TAG, "Launching activity "
2612                        + r.activityInfo.name + " with config " + config);
2613                activity.attach(appContext, this, getInstrumentation(), r.token,
2614                        r.ident, app, r.intent, r.activityInfo, title, r.parent,
2615                        r.embeddedID, r.lastNonConfigurationInstance,
2616                        r.lastNonConfigurationChildInstances, config);
2617
2618                if (customIntent != null) {
2619                    activity.mIntent = customIntent;
2620                }
2621                r.lastNonConfigurationInstance = null;
2622                r.lastNonConfigurationChildInstances = null;
2623                activity.mStartedActivity = false;
2624                int theme = r.activityInfo.getThemeResource();
2625                if (theme != 0) {
2626                    activity.setTheme(theme);
2627                }
2628
2629                activity.mCalled = false;
2630                mInstrumentation.callActivityOnCreate(activity, r.state);
2631                if (!activity.mCalled) {
2632                    throw new SuperNotCalledException(
2633                        "Activity " + r.intent.getComponent().toShortString() +
2634                        " did not call through to super.onCreate()");
2635                }
2636                r.activity = activity;
2637                r.stopped = true;
2638                if (!r.activity.mFinished) {
2639                    activity.performStart();
2640                    r.stopped = false;
2641                }
2642                if (!r.activity.mFinished) {
2643                    if (r.state != null) {
2644                        mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state);
2645                    }
2646                }
2647                if (!r.activity.mFinished) {
2648                    activity.mCalled = false;
2649                    mInstrumentation.callActivityOnPostCreate(activity, r.state);
2650                    if (!activity.mCalled) {
2651                        throw new SuperNotCalledException(
2652                            "Activity " + r.intent.getComponent().toShortString() +
2653                            " did not call through to super.onPostCreate()");
2654                    }
2655                }
2656            }
2657            r.paused = true;
2658
2659            mActivities.put(r.token, r);
2660
2661        } catch (SuperNotCalledException e) {
2662            throw e;
2663
2664        } catch (Exception e) {
2665            if (!mInstrumentation.onException(activity, e)) {
2666                throw new RuntimeException(
2667                    "Unable to start activity " + component
2668                    + ": " + e.toString(), e);
2669            }
2670        }
2671
2672        return activity;
2673    }
2674
2675    private final void handleLaunchActivity(ActivityRecord r, Intent customIntent) {
2676        // If we are getting ready to gc after going to the background, well
2677        // we are back active so skip it.
2678        unscheduleGcIdler();
2679
2680        if (localLOGV) Slog.v(
2681            TAG, "Handling launch of " + r);
2682        Activity a = performLaunchActivity(r, customIntent);
2683
2684        if (a != null) {
2685            r.createdConfig = new Configuration(mConfiguration);
2686            Bundle oldState = r.state;
2687            handleResumeActivity(r.token, false, r.isForward);
2688
2689            if (!r.activity.mFinished && r.startsNotResumed) {
2690                // The activity manager actually wants this one to start out
2691                // paused, because it needs to be visible but isn't in the
2692                // foreground.  We accomplish this by going through the
2693                // normal startup (because activities expect to go through
2694                // onResume() the first time they run, before their window
2695                // is displayed), and then pausing it.  However, in this case
2696                // we do -not- need to do the full pause cycle (of freezing
2697                // and such) because the activity manager assumes it can just
2698                // retain the current state it has.
2699                try {
2700                    r.activity.mCalled = false;
2701                    mInstrumentation.callActivityOnPause(r.activity);
2702                    // We need to keep around the original state, in case
2703                    // we need to be created again.
2704                    r.state = oldState;
2705                    if (!r.activity.mCalled) {
2706                        throw new SuperNotCalledException(
2707                            "Activity " + r.intent.getComponent().toShortString() +
2708                            " did not call through to super.onPause()");
2709                    }
2710
2711                } catch (SuperNotCalledException e) {
2712                    throw e;
2713
2714                } catch (Exception e) {
2715                    if (!mInstrumentation.onException(r.activity, e)) {
2716                        throw new RuntimeException(
2717                                "Unable to pause activity "
2718                                + r.intent.getComponent().toShortString()
2719                                + ": " + e.toString(), e);
2720                    }
2721                }
2722                r.paused = true;
2723            }
2724        } else {
2725            // If there was an error, for any reason, tell the activity
2726            // manager to stop us.
2727            try {
2728                ActivityManagerNative.getDefault()
2729                    .finishActivity(r.token, Activity.RESULT_CANCELED, null);
2730            } catch (RemoteException ex) {
2731            }
2732        }
2733    }
2734
2735    private final void deliverNewIntents(ActivityRecord r,
2736            List<Intent> intents) {
2737        final int N = intents.size();
2738        for (int i=0; i<N; i++) {
2739            Intent intent = intents.get(i);
2740            intent.setExtrasClassLoader(r.activity.getClassLoader());
2741            mInstrumentation.callActivityOnNewIntent(r.activity, intent);
2742        }
2743    }
2744
2745    public final void performNewIntents(IBinder token,
2746            List<Intent> intents) {
2747        ActivityRecord r = mActivities.get(token);
2748        if (r != null) {
2749            final boolean resumed = !r.paused;
2750            if (resumed) {
2751                mInstrumentation.callActivityOnPause(r.activity);
2752            }
2753            deliverNewIntents(r, intents);
2754            if (resumed) {
2755                mInstrumentation.callActivityOnResume(r.activity);
2756            }
2757        }
2758    }
2759
2760    private final void handleNewIntent(NewIntentData data) {
2761        performNewIntents(data.token, data.intents);
2762    }
2763
2764    private final void handleReceiver(ReceiverData data) {
2765        // If we are getting ready to gc after going to the background, well
2766        // we are back active so skip it.
2767        unscheduleGcIdler();
2768
2769        String component = data.intent.getComponent().getClassName();
2770
2771        PackageInfo packageInfo = getPackageInfoNoCheck(
2772                data.info.applicationInfo);
2773
2774        IActivityManager mgr = ActivityManagerNative.getDefault();
2775
2776        BroadcastReceiver receiver = null;
2777        try {
2778            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2779            data.intent.setExtrasClassLoader(cl);
2780            if (data.resultExtras != null) {
2781                data.resultExtras.setClassLoader(cl);
2782            }
2783            receiver = (BroadcastReceiver)cl.loadClass(component).newInstance();
2784        } catch (Exception e) {
2785            try {
2786                if (DEBUG_BROADCAST) Slog.i(TAG,
2787                        "Finishing failed broadcast to " + data.intent.getComponent());
2788                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2789                                   data.resultData, data.resultExtras, data.resultAbort);
2790            } catch (RemoteException ex) {
2791            }
2792            throw new RuntimeException(
2793                "Unable to instantiate receiver " + component
2794                + ": " + e.toString(), e);
2795        }
2796
2797        try {
2798            Application app = packageInfo.makeApplication(false, mInstrumentation);
2799
2800            if (localLOGV) Slog.v(
2801                TAG, "Performing receive of " + data.intent
2802                + ": app=" + app
2803                + ", appName=" + app.getPackageName()
2804                + ", pkg=" + packageInfo.getPackageName()
2805                + ", comp=" + data.intent.getComponent().toShortString()
2806                + ", dir=" + packageInfo.getAppDir());
2807
2808            ContextImpl context = (ContextImpl)app.getBaseContext();
2809            receiver.setOrderedHint(true);
2810            receiver.setResult(data.resultCode, data.resultData,
2811                data.resultExtras);
2812            receiver.setOrderedHint(data.sync);
2813            receiver.onReceive(context.getReceiverRestrictedContext(),
2814                    data.intent);
2815        } catch (Exception e) {
2816            try {
2817                if (DEBUG_BROADCAST) Slog.i(TAG,
2818                        "Finishing failed broadcast to " + data.intent.getComponent());
2819                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2820                    data.resultData, data.resultExtras, data.resultAbort);
2821            } catch (RemoteException ex) {
2822            }
2823            if (!mInstrumentation.onException(receiver, e)) {
2824                throw new RuntimeException(
2825                    "Unable to start receiver " + component
2826                    + ": " + e.toString(), e);
2827            }
2828        }
2829
2830        try {
2831            if (data.sync) {
2832                if (DEBUG_BROADCAST) Slog.i(TAG,
2833                        "Finishing ordered broadcast to " + data.intent.getComponent());
2834                mgr.finishReceiver(
2835                    mAppThread.asBinder(), receiver.getResultCode(),
2836                    receiver.getResultData(), receiver.getResultExtras(false),
2837                        receiver.getAbortBroadcast());
2838            } else {
2839                if (DEBUG_BROADCAST) Slog.i(TAG,
2840                        "Finishing broadcast to " + data.intent.getComponent());
2841                mgr.finishReceiver(mAppThread.asBinder(), 0, null, null, false);
2842            }
2843        } catch (RemoteException ex) {
2844        }
2845    }
2846
2847    // Instantiate a BackupAgent and tell it that it's alive
2848    private final void handleCreateBackupAgent(CreateBackupAgentData data) {
2849        if (DEBUG_BACKUP) Slog.v(TAG, "handleCreateBackupAgent: " + data);
2850
2851        // no longer idle; we have backup work to do
2852        unscheduleGcIdler();
2853
2854        // instantiate the BackupAgent class named in the manifest
2855        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2856        String packageName = packageInfo.mPackageName;
2857        if (mBackupAgents.get(packageName) != null) {
2858            Slog.d(TAG, "BackupAgent " + "  for " + packageName
2859                    + " already exists");
2860            return;
2861        }
2862
2863        BackupAgent agent = null;
2864        String classname = data.appInfo.backupAgentName;
2865        if (classname == null) {
2866            if (data.backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) {
2867                Slog.e(TAG, "Attempted incremental backup but no defined agent for "
2868                        + packageName);
2869                return;
2870            }
2871            classname = "android.app.FullBackupAgent";
2872        }
2873        try {
2874            IBinder binder = null;
2875            try {
2876                java.lang.ClassLoader cl = packageInfo.getClassLoader();
2877                agent = (BackupAgent) cl.loadClass(data.appInfo.backupAgentName).newInstance();
2878
2879                // set up the agent's context
2880                if (DEBUG_BACKUP) Slog.v(TAG, "Initializing BackupAgent "
2881                        + data.appInfo.backupAgentName);
2882
2883                ContextImpl context = new ContextImpl();
2884                context.init(packageInfo, null, this);
2885                context.setOuterContext(agent);
2886                agent.attach(context);
2887
2888                agent.onCreate();
2889                binder = agent.onBind();
2890                mBackupAgents.put(packageName, agent);
2891            } catch (Exception e) {
2892                // If this is during restore, fail silently; otherwise go
2893                // ahead and let the user see the crash.
2894                Slog.e(TAG, "Agent threw during creation: " + e);
2895                if (data.backupMode != IApplicationThread.BACKUP_MODE_RESTORE) {
2896                    throw e;
2897                }
2898                // falling through with 'binder' still null
2899            }
2900
2901            // tell the OS that we're live now
2902            try {
2903                ActivityManagerNative.getDefault().backupAgentCreated(packageName, binder);
2904            } catch (RemoteException e) {
2905                // nothing to do.
2906            }
2907        } catch (Exception e) {
2908            throw new RuntimeException("Unable to create BackupAgent "
2909                    + data.appInfo.backupAgentName + ": " + e.toString(), e);
2910        }
2911    }
2912
2913    // Tear down a BackupAgent
2914    private final void handleDestroyBackupAgent(CreateBackupAgentData data) {
2915        if (DEBUG_BACKUP) Slog.v(TAG, "handleDestroyBackupAgent: " + data);
2916
2917        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2918        String packageName = packageInfo.mPackageName;
2919        BackupAgent agent = mBackupAgents.get(packageName);
2920        if (agent != null) {
2921            try {
2922                agent.onDestroy();
2923            } catch (Exception e) {
2924                Slog.w(TAG, "Exception thrown in onDestroy by backup agent of " + data.appInfo);
2925                e.printStackTrace();
2926            }
2927            mBackupAgents.remove(packageName);
2928        } else {
2929            Slog.w(TAG, "Attempt to destroy unknown backup agent " + data);
2930        }
2931    }
2932
2933    private final void handleCreateService(CreateServiceData data) {
2934        // If we are getting ready to gc after going to the background, well
2935        // we are back active so skip it.
2936        unscheduleGcIdler();
2937
2938        PackageInfo packageInfo = getPackageInfoNoCheck(
2939                data.info.applicationInfo);
2940        Service service = null;
2941        try {
2942            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2943            service = (Service) cl.loadClass(data.info.name).newInstance();
2944        } catch (Exception e) {
2945            if (!mInstrumentation.onException(service, e)) {
2946                throw new RuntimeException(
2947                    "Unable to instantiate service " + data.info.name
2948                    + ": " + e.toString(), e);
2949            }
2950        }
2951
2952        try {
2953            if (localLOGV) Slog.v(TAG, "Creating service " + data.info.name);
2954
2955            ContextImpl context = new ContextImpl();
2956            context.init(packageInfo, null, this);
2957
2958            Application app = packageInfo.makeApplication(false, mInstrumentation);
2959            context.setOuterContext(service);
2960            service.attach(context, this, data.info.name, data.token, app,
2961                    ActivityManagerNative.getDefault());
2962            service.onCreate();
2963            mServices.put(data.token, service);
2964            try {
2965                ActivityManagerNative.getDefault().serviceDoneExecuting(
2966                        data.token, 0, 0, 0);
2967            } catch (RemoteException e) {
2968                // nothing to do.
2969            }
2970        } catch (Exception e) {
2971            if (!mInstrumentation.onException(service, e)) {
2972                throw new RuntimeException(
2973                    "Unable to create service " + data.info.name
2974                    + ": " + e.toString(), e);
2975            }
2976        }
2977    }
2978
2979    private final void handleBindService(BindServiceData data) {
2980        Service s = mServices.get(data.token);
2981        if (s != null) {
2982            try {
2983                data.intent.setExtrasClassLoader(s.getClassLoader());
2984                try {
2985                    if (!data.rebind) {
2986                        IBinder binder = s.onBind(data.intent);
2987                        ActivityManagerNative.getDefault().publishService(
2988                                data.token, data.intent, binder);
2989                    } else {
2990                        s.onRebind(data.intent);
2991                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2992                                data.token, 0, 0, 0);
2993                    }
2994                    ensureJitEnabled();
2995                } catch (RemoteException ex) {
2996                }
2997            } catch (Exception e) {
2998                if (!mInstrumentation.onException(s, e)) {
2999                    throw new RuntimeException(
3000                            "Unable to bind to service " + s
3001                            + " with " + data.intent + ": " + e.toString(), e);
3002                }
3003            }
3004        }
3005    }
3006
3007    private final void handleUnbindService(BindServiceData data) {
3008        Service s = mServices.get(data.token);
3009        if (s != null) {
3010            try {
3011                data.intent.setExtrasClassLoader(s.getClassLoader());
3012                boolean doRebind = s.onUnbind(data.intent);
3013                try {
3014                    if (doRebind) {
3015                        ActivityManagerNative.getDefault().unbindFinished(
3016                                data.token, data.intent, doRebind);
3017                    } else {
3018                        ActivityManagerNative.getDefault().serviceDoneExecuting(
3019                                data.token, 0, 0, 0);
3020                    }
3021                } catch (RemoteException ex) {
3022                }
3023            } catch (Exception e) {
3024                if (!mInstrumentation.onException(s, e)) {
3025                    throw new RuntimeException(
3026                            "Unable to unbind to service " + s
3027                            + " with " + data.intent + ": " + e.toString(), e);
3028                }
3029            }
3030        }
3031    }
3032
3033    private void handleDumpService(DumpServiceInfo info) {
3034        try {
3035            Service s = mServices.get(info.service);
3036            if (s != null) {
3037                PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd));
3038                s.dump(info.fd, pw, info.args);
3039                pw.close();
3040            }
3041        } finally {
3042            synchronized (info) {
3043                info.dumped = true;
3044                info.notifyAll();
3045            }
3046        }
3047    }
3048
3049    private final void handleServiceArgs(ServiceArgsData data) {
3050        Service s = mServices.get(data.token);
3051        if (s != null) {
3052            try {
3053                if (data.args != null) {
3054                    data.args.setExtrasClassLoader(s.getClassLoader());
3055                }
3056                int res = s.onStartCommand(data.args, data.flags, data.startId);
3057                try {
3058                    ActivityManagerNative.getDefault().serviceDoneExecuting(
3059                            data.token, 1, data.startId, res);
3060                } catch (RemoteException e) {
3061                    // nothing to do.
3062                }
3063                ensureJitEnabled();
3064            } catch (Exception e) {
3065                if (!mInstrumentation.onException(s, e)) {
3066                    throw new RuntimeException(
3067                            "Unable to start service " + s
3068                            + " with " + data.args + ": " + e.toString(), e);
3069                }
3070            }
3071        }
3072    }
3073
3074    private final void handleStopService(IBinder token) {
3075        Service s = mServices.remove(token);
3076        if (s != null) {
3077            try {
3078                if (localLOGV) Slog.v(TAG, "Destroying service " + s);
3079                s.onDestroy();
3080                Context context = s.getBaseContext();
3081                if (context instanceof ContextImpl) {
3082                    final String who = s.getClassName();
3083                    ((ContextImpl) context).scheduleFinalCleanup(who, "Service");
3084                }
3085                try {
3086                    ActivityManagerNative.getDefault().serviceDoneExecuting(
3087                            token, 0, 0, 0);
3088                } catch (RemoteException e) {
3089                    // nothing to do.
3090                }
3091            } catch (Exception e) {
3092                if (!mInstrumentation.onException(s, e)) {
3093                    throw new RuntimeException(
3094                            "Unable to stop service " + s
3095                            + ": " + e.toString(), e);
3096                }
3097            }
3098        }
3099        //Slog.i(TAG, "Running services: " + mServices);
3100    }
3101
3102    public final ActivityRecord performResumeActivity(IBinder token,
3103            boolean clearHide) {
3104        ActivityRecord r = mActivities.get(token);
3105        if (localLOGV) Slog.v(TAG, "Performing resume of " + r
3106                + " finished=" + r.activity.mFinished);
3107        if (r != null && !r.activity.mFinished) {
3108            if (clearHide) {
3109                r.hideForNow = false;
3110                r.activity.mStartedActivity = false;
3111            }
3112            try {
3113                if (r.pendingIntents != null) {
3114                    deliverNewIntents(r, r.pendingIntents);
3115                    r.pendingIntents = null;
3116                }
3117                if (r.pendingResults != null) {
3118                    deliverResults(r, r.pendingResults);
3119                    r.pendingResults = null;
3120                }
3121                r.activity.performResume();
3122
3123                EventLog.writeEvent(LOG_ON_RESUME_CALLED,
3124                        r.activity.getComponentName().getClassName());
3125
3126                r.paused = false;
3127                r.stopped = false;
3128                r.state = null;
3129            } catch (Exception e) {
3130                if (!mInstrumentation.onException(r.activity, e)) {
3131                    throw new RuntimeException(
3132                        "Unable to resume activity "
3133                        + r.intent.getComponent().toShortString()
3134                        + ": " + e.toString(), e);
3135                }
3136            }
3137        }
3138        return r;
3139    }
3140
3141    final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) {
3142        // If we are getting ready to gc after going to the background, well
3143        // we are back active so skip it.
3144        unscheduleGcIdler();
3145
3146        ActivityRecord r = performResumeActivity(token, clearHide);
3147
3148        if (r != null) {
3149            final Activity a = r.activity;
3150
3151            if (localLOGV) Slog.v(
3152                TAG, "Resume " + r + " started activity: " +
3153                a.mStartedActivity + ", hideForNow: " + r.hideForNow
3154                + ", finished: " + a.mFinished);
3155
3156            final int forwardBit = isForward ?
3157                    WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0;
3158
3159            // If the window hasn't yet been added to the window manager,
3160            // and this guy didn't finish itself or start another activity,
3161            // then go ahead and add the window.
3162            boolean willBeVisible = !a.mStartedActivity;
3163            if (!willBeVisible) {
3164                try {
3165                    willBeVisible = ActivityManagerNative.getDefault().willActivityBeVisible(
3166                            a.getActivityToken());
3167                } catch (RemoteException e) {
3168                }
3169            }
3170            if (r.window == null && !a.mFinished && willBeVisible) {
3171                r.window = r.activity.getWindow();
3172                View decor = r.window.getDecorView();
3173                decor.setVisibility(View.INVISIBLE);
3174                ViewManager wm = a.getWindowManager();
3175                WindowManager.LayoutParams l = r.window.getAttributes();
3176                a.mDecor = decor;
3177                l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
3178                l.softInputMode |= forwardBit;
3179                if (a.mVisibleFromClient) {
3180                    a.mWindowAdded = true;
3181                    wm.addView(decor, l);
3182                }
3183
3184            // If the window has already been added, but during resume
3185            // we started another activity, then don't yet make the
3186            // window visible.
3187            } else if (!willBeVisible) {
3188                if (localLOGV) Slog.v(
3189                    TAG, "Launch " + r + " mStartedActivity set");
3190                r.hideForNow = true;
3191            }
3192
3193            // The window is now visible if it has been added, we are not
3194            // simply finishing, and we are not starting another activity.
3195            if (!r.activity.mFinished && willBeVisible
3196                    && r.activity.mDecor != null && !r.hideForNow) {
3197                if (r.newConfig != null) {
3198                    if (DEBUG_CONFIGURATION) Slog.v(TAG, "Resuming activity "
3199                            + r.activityInfo.name + " with newConfig " + r.newConfig);
3200                    performConfigurationChanged(r.activity, r.newConfig);
3201                    r.newConfig = null;
3202                }
3203                if (localLOGV) Slog.v(TAG, "Resuming " + r + " with isForward="
3204                        + isForward);
3205                WindowManager.LayoutParams l = r.window.getAttributes();
3206                if ((l.softInputMode
3207                        & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)
3208                        != forwardBit) {
3209                    l.softInputMode = (l.softInputMode
3210                            & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION))
3211                            | forwardBit;
3212                    if (r.activity.mVisibleFromClient) {
3213                        ViewManager wm = a.getWindowManager();
3214                        View decor = r.window.getDecorView();
3215                        wm.updateViewLayout(decor, l);
3216                    }
3217                }
3218                r.activity.mVisibleFromServer = true;
3219                mNumVisibleActivities++;
3220                if (r.activity.mVisibleFromClient) {
3221                    r.activity.makeVisible();
3222                }
3223            }
3224
3225            r.nextIdle = mNewActivities;
3226            mNewActivities = r;
3227            if (localLOGV) Slog.v(
3228                TAG, "Scheduling idle handler for " + r);
3229            Looper.myQueue().addIdleHandler(new Idler());
3230
3231        } else {
3232            // If an exception was thrown when trying to resume, then
3233            // just end this activity.
3234            try {
3235                ActivityManagerNative.getDefault()
3236                    .finishActivity(token, Activity.RESULT_CANCELED, null);
3237            } catch (RemoteException ex) {
3238            }
3239        }
3240    }
3241
3242    private int mThumbnailWidth = -1;
3243    private int mThumbnailHeight = -1;
3244
3245    private final Bitmap createThumbnailBitmap(ActivityRecord r) {
3246        Bitmap thumbnail = null;
3247        try {
3248            int w = mThumbnailWidth;
3249            int h;
3250            if (w < 0) {
3251                Resources res = r.activity.getResources();
3252                mThumbnailHeight = h =
3253                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
3254
3255                mThumbnailWidth = w =
3256                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
3257            } else {
3258                h = mThumbnailHeight;
3259            }
3260
3261            // XXX Only set hasAlpha if needed?
3262            thumbnail = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
3263            thumbnail.eraseColor(0);
3264            Canvas cv = new Canvas(thumbnail);
3265            if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
3266                thumbnail = null;
3267            }
3268        } catch (Exception e) {
3269            if (!mInstrumentation.onException(r.activity, e)) {
3270                throw new RuntimeException(
3271                        "Unable to create thumbnail of "
3272                        + r.intent.getComponent().toShortString()
3273                        + ": " + e.toString(), e);
3274            }
3275            thumbnail = null;
3276        }
3277
3278        return thumbnail;
3279    }
3280
3281    private final void handlePauseActivity(IBinder token, boolean finished,
3282            boolean userLeaving, int configChanges) {
3283        ActivityRecord r = mActivities.get(token);
3284        if (r != null) {
3285            //Slog.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r);
3286            if (userLeaving) {
3287                performUserLeavingActivity(r);
3288            }
3289
3290            r.activity.mConfigChangeFlags |= configChanges;
3291            Bundle state = performPauseActivity(token, finished, true);
3292
3293            // Tell the activity manager we have paused.
3294            try {
3295                ActivityManagerNative.getDefault().activityPaused(token, state);
3296            } catch (RemoteException ex) {
3297            }
3298        }
3299    }
3300
3301    final void performUserLeavingActivity(ActivityRecord r) {
3302        mInstrumentation.callActivityOnUserLeaving(r.activity);
3303    }
3304
3305    final Bundle performPauseActivity(IBinder token, boolean finished,
3306            boolean saveState) {
3307        ActivityRecord r = mActivities.get(token);
3308        return r != null ? performPauseActivity(r, finished, saveState) : null;
3309    }
3310
3311    final Bundle performPauseActivity(ActivityRecord r, boolean finished,
3312            boolean saveState) {
3313        if (r.paused) {
3314            if (r.activity.mFinished) {
3315                // If we are finishing, we won't call onResume() in certain cases.
3316                // So here we likewise don't want to call onPause() if the activity
3317                // isn't resumed.
3318                return null;
3319            }
3320            RuntimeException e = new RuntimeException(
3321                    "Performing pause of activity that is not resumed: "
3322                    + r.intent.getComponent().toShortString());
3323            Slog.e(TAG, e.getMessage(), e);
3324        }
3325        Bundle state = null;
3326        if (finished) {
3327            r.activity.mFinished = true;
3328        }
3329        try {
3330            // Next have the activity save its current state and managed dialogs...
3331            if (!r.activity.mFinished && saveState) {
3332                state = new Bundle();
3333                mInstrumentation.callActivityOnSaveInstanceState(r.activity, state);
3334                r.state = state;
3335            }
3336            // Now we are idle.
3337            r.activity.mCalled = false;
3338            mInstrumentation.callActivityOnPause(r.activity);
3339            EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName());
3340            if (!r.activity.mCalled) {
3341                throw new SuperNotCalledException(
3342                    "Activity " + r.intent.getComponent().toShortString() +
3343                    " did not call through to super.onPause()");
3344            }
3345
3346        } catch (SuperNotCalledException e) {
3347            throw e;
3348
3349        } catch (Exception e) {
3350            if (!mInstrumentation.onException(r.activity, e)) {
3351                throw new RuntimeException(
3352                        "Unable to pause activity "
3353                        + r.intent.getComponent().toShortString()
3354                        + ": " + e.toString(), e);
3355            }
3356        }
3357        r.paused = true;
3358        return state;
3359    }
3360
3361    final void performStopActivity(IBinder token) {
3362        ActivityRecord r = mActivities.get(token);
3363        performStopActivityInner(r, null, false);
3364    }
3365
3366    private static class StopInfo {
3367        Bitmap thumbnail;
3368        CharSequence description;
3369    }
3370
3371    private final class ProviderRefCount {
3372        public int count;
3373        ProviderRefCount(int pCount) {
3374            count = pCount;
3375        }
3376    }
3377
3378    private final void performStopActivityInner(ActivityRecord r,
3379            StopInfo info, boolean keepShown) {
3380        if (localLOGV) Slog.v(TAG, "Performing stop of " + r);
3381        if (r != null) {
3382            if (!keepShown && r.stopped) {
3383                if (r.activity.mFinished) {
3384                    // If we are finishing, we won't call onResume() in certain
3385                    // cases.  So here we likewise don't want to call onStop()
3386                    // if the activity isn't resumed.
3387                    return;
3388                }
3389                RuntimeException e = new RuntimeException(
3390                        "Performing stop of activity that is not resumed: "
3391                        + r.intent.getComponent().toShortString());
3392                Slog.e(TAG, e.getMessage(), e);
3393            }
3394
3395            if (info != null) {
3396                try {
3397                    // First create a thumbnail for the activity...
3398                    //info.thumbnail = createThumbnailBitmap(r);
3399                    info.description = r.activity.onCreateDescription();
3400                } catch (Exception e) {
3401                    if (!mInstrumentation.onException(r.activity, e)) {
3402                        throw new RuntimeException(
3403                                "Unable to save state of activity "
3404                                + r.intent.getComponent().toShortString()
3405                                + ": " + e.toString(), e);
3406                    }
3407                }
3408            }
3409
3410            if (!keepShown) {
3411                try {
3412                    // Now we are idle.
3413                    r.activity.performStop();
3414                } catch (Exception e) {
3415                    if (!mInstrumentation.onException(r.activity, e)) {
3416                        throw new RuntimeException(
3417                                "Unable to stop activity "
3418                                + r.intent.getComponent().toShortString()
3419                                + ": " + e.toString(), e);
3420                    }
3421                }
3422                r.stopped = true;
3423            }
3424
3425            r.paused = true;
3426        }
3427    }
3428
3429    private final void updateVisibility(ActivityRecord r, boolean show) {
3430        View v = r.activity.mDecor;
3431        if (v != null) {
3432            if (show) {
3433                if (!r.activity.mVisibleFromServer) {
3434                    r.activity.mVisibleFromServer = true;
3435                    mNumVisibleActivities++;
3436                    if (r.activity.mVisibleFromClient) {
3437                        r.activity.makeVisible();
3438                    }
3439                }
3440                if (r.newConfig != null) {
3441                    if (DEBUG_CONFIGURATION) Slog.v(TAG, "Updating activity vis "
3442                            + r.activityInfo.name + " with new config " + r.newConfig);
3443                    performConfigurationChanged(r.activity, r.newConfig);
3444                    r.newConfig = null;
3445                }
3446            } else {
3447                if (r.activity.mVisibleFromServer) {
3448                    r.activity.mVisibleFromServer = false;
3449                    mNumVisibleActivities--;
3450                    v.setVisibility(View.INVISIBLE);
3451                }
3452            }
3453        }
3454    }
3455
3456    private final void handleStopActivity(IBinder token, boolean show, int configChanges) {
3457        ActivityRecord r = mActivities.get(token);
3458        r.activity.mConfigChangeFlags |= configChanges;
3459
3460        StopInfo info = new StopInfo();
3461        performStopActivityInner(r, info, show);
3462
3463        if (localLOGV) Slog.v(
3464            TAG, "Finishing stop of " + r + ": show=" + show
3465            + " win=" + r.window);
3466
3467        updateVisibility(r, show);
3468
3469        // Tell activity manager we have been stopped.
3470        try {
3471            ActivityManagerNative.getDefault().activityStopped(
3472                r.token, info.thumbnail, info.description);
3473        } catch (RemoteException ex) {
3474        }
3475    }
3476
3477    final void performRestartActivity(IBinder token) {
3478        ActivityRecord r = mActivities.get(token);
3479        if (r.stopped) {
3480            r.activity.performRestart();
3481            r.stopped = false;
3482        }
3483    }
3484
3485    private final void handleWindowVisibility(IBinder token, boolean show) {
3486        ActivityRecord r = mActivities.get(token);
3487        if (!show && !r.stopped) {
3488            performStopActivityInner(r, null, show);
3489        } else if (show && r.stopped) {
3490            // If we are getting ready to gc after going to the background, well
3491            // we are back active so skip it.
3492            unscheduleGcIdler();
3493
3494            r.activity.performRestart();
3495            r.stopped = false;
3496        }
3497        if (r.activity.mDecor != null) {
3498            if (Config.LOGV) Slog.v(
3499                TAG, "Handle window " + r + " visibility: " + show);
3500            updateVisibility(r, show);
3501        }
3502    }
3503
3504    private final void deliverResults(ActivityRecord r, List<ResultInfo> results) {
3505        final int N = results.size();
3506        for (int i=0; i<N; i++) {
3507            ResultInfo ri = results.get(i);
3508            try {
3509                if (ri.mData != null) {
3510                    ri.mData.setExtrasClassLoader(r.activity.getClassLoader());
3511                }
3512                if (DEBUG_RESULTS) Slog.v(TAG,
3513                        "Delivering result to activity " + r + " : " + ri);
3514                r.activity.dispatchActivityResult(ri.mResultWho,
3515                        ri.mRequestCode, ri.mResultCode, ri.mData);
3516            } catch (Exception e) {
3517                if (!mInstrumentation.onException(r.activity, e)) {
3518                    throw new RuntimeException(
3519                            "Failure delivering result " + ri + " to activity "
3520                            + r.intent.getComponent().toShortString()
3521                            + ": " + e.toString(), e);
3522                }
3523            }
3524        }
3525    }
3526
3527    private final void handleSendResult(ResultData res) {
3528        ActivityRecord r = mActivities.get(res.token);
3529        if (DEBUG_RESULTS) Slog.v(TAG, "Handling send result to " + r);
3530        if (r != null) {
3531            final boolean resumed = !r.paused;
3532            if (!r.activity.mFinished && r.activity.mDecor != null
3533                    && r.hideForNow && resumed) {
3534                // We had hidden the activity because it started another
3535                // one...  we have gotten a result back and we are not
3536                // paused, so make sure our window is visible.
3537                updateVisibility(r, true);
3538            }
3539            if (resumed) {
3540                try {
3541                    // Now we are idle.
3542                    r.activity.mCalled = false;
3543                    mInstrumentation.callActivityOnPause(r.activity);
3544                    if (!r.activity.mCalled) {
3545                        throw new SuperNotCalledException(
3546                            "Activity " + r.intent.getComponent().toShortString()
3547                            + " did not call through to super.onPause()");
3548                    }
3549                } catch (SuperNotCalledException e) {
3550                    throw e;
3551                } catch (Exception e) {
3552                    if (!mInstrumentation.onException(r.activity, e)) {
3553                        throw new RuntimeException(
3554                                "Unable to pause activity "
3555                                + r.intent.getComponent().toShortString()
3556                                + ": " + e.toString(), e);
3557                    }
3558                }
3559            }
3560            deliverResults(r, res.results);
3561            if (resumed) {
3562                mInstrumentation.callActivityOnResume(r.activity);
3563            }
3564        }
3565    }
3566
3567    public final ActivityRecord performDestroyActivity(IBinder token, boolean finishing) {
3568        return performDestroyActivity(token, finishing, 0, false);
3569    }
3570
3571    private final ActivityRecord performDestroyActivity(IBinder token, boolean finishing,
3572            int configChanges, boolean getNonConfigInstance) {
3573        ActivityRecord r = mActivities.get(token);
3574        if (localLOGV) Slog.v(TAG, "Performing finish of " + r);
3575        if (r != null) {
3576            r.activity.mConfigChangeFlags |= configChanges;
3577            if (finishing) {
3578                r.activity.mFinished = true;
3579            }
3580            if (!r.paused) {
3581                try {
3582                    r.activity.mCalled = false;
3583                    mInstrumentation.callActivityOnPause(r.activity);
3584                    EventLog.writeEvent(LOG_ON_PAUSE_CALLED,
3585                            r.activity.getComponentName().getClassName());
3586                    if (!r.activity.mCalled) {
3587                        throw new SuperNotCalledException(
3588                            "Activity " + safeToComponentShortString(r.intent)
3589                            + " did not call through to super.onPause()");
3590                    }
3591                } catch (SuperNotCalledException e) {
3592                    throw e;
3593                } catch (Exception e) {
3594                    if (!mInstrumentation.onException(r.activity, e)) {
3595                        throw new RuntimeException(
3596                                "Unable to pause activity "
3597                                + safeToComponentShortString(r.intent)
3598                                + ": " + e.toString(), e);
3599                    }
3600                }
3601                r.paused = true;
3602            }
3603            if (!r.stopped) {
3604                try {
3605                    r.activity.performStop();
3606                } catch (SuperNotCalledException e) {
3607                    throw e;
3608                } catch (Exception e) {
3609                    if (!mInstrumentation.onException(r.activity, e)) {
3610                        throw new RuntimeException(
3611                                "Unable to stop activity "
3612                                + safeToComponentShortString(r.intent)
3613                                + ": " + e.toString(), e);
3614                    }
3615                }
3616                r.stopped = true;
3617            }
3618            if (getNonConfigInstance) {
3619                try {
3620                    r.lastNonConfigurationInstance
3621                            = r.activity.onRetainNonConfigurationInstance();
3622                } catch (Exception e) {
3623                    if (!mInstrumentation.onException(r.activity, e)) {
3624                        throw new RuntimeException(
3625                                "Unable to retain activity "
3626                                + r.intent.getComponent().toShortString()
3627                                + ": " + e.toString(), e);
3628                    }
3629                }
3630                try {
3631                    r.lastNonConfigurationChildInstances
3632                            = r.activity.onRetainNonConfigurationChildInstances();
3633                } catch (Exception e) {
3634                    if (!mInstrumentation.onException(r.activity, e)) {
3635                        throw new RuntimeException(
3636                                "Unable to retain child activities "
3637                                + safeToComponentShortString(r.intent)
3638                                + ": " + e.toString(), e);
3639                    }
3640                }
3641
3642            }
3643            try {
3644                r.activity.mCalled = false;
3645                r.activity.onDestroy();
3646                if (!r.activity.mCalled) {
3647                    throw new SuperNotCalledException(
3648                        "Activity " + safeToComponentShortString(r.intent) +
3649                        " did not call through to super.onDestroy()");
3650                }
3651                if (r.window != null) {
3652                    r.window.closeAllPanels();
3653                }
3654            } catch (SuperNotCalledException e) {
3655                throw e;
3656            } catch (Exception e) {
3657                if (!mInstrumentation.onException(r.activity, e)) {
3658                    throw new RuntimeException(
3659                            "Unable to destroy activity " + safeToComponentShortString(r.intent)
3660                            + ": " + e.toString(), e);
3661                }
3662            }
3663        }
3664        mActivities.remove(token);
3665
3666        return r;
3667    }
3668
3669    private static String safeToComponentShortString(Intent intent) {
3670        ComponentName component = intent.getComponent();
3671        return component == null ? "[Unknown]" : component.toShortString();
3672    }
3673
3674    private final void handleDestroyActivity(IBinder token, boolean finishing,
3675            int configChanges, boolean getNonConfigInstance) {
3676        ActivityRecord r = performDestroyActivity(token, finishing,
3677                configChanges, getNonConfigInstance);
3678        if (r != null) {
3679            WindowManager wm = r.activity.getWindowManager();
3680            View v = r.activity.mDecor;
3681            if (v != null) {
3682                if (r.activity.mVisibleFromServer) {
3683                    mNumVisibleActivities--;
3684                }
3685                IBinder wtoken = v.getWindowToken();
3686                if (r.activity.mWindowAdded) {
3687                    wm.removeViewImmediate(v);
3688                }
3689                if (wtoken != null) {
3690                    WindowManagerImpl.getDefault().closeAll(wtoken,
3691                            r.activity.getClass().getName(), "Activity");
3692                }
3693                r.activity.mDecor = null;
3694            }
3695            WindowManagerImpl.getDefault().closeAll(token,
3696                    r.activity.getClass().getName(), "Activity");
3697
3698            // Mocked out contexts won't be participating in the normal
3699            // process lifecycle, but if we're running with a proper
3700            // ApplicationContext we need to have it tear down things
3701            // cleanly.
3702            Context c = r.activity.getBaseContext();
3703            if (c instanceof ContextImpl) {
3704                ((ContextImpl) c).scheduleFinalCleanup(
3705                        r.activity.getClass().getName(), "Activity");
3706            }
3707        }
3708        if (finishing) {
3709            try {
3710                ActivityManagerNative.getDefault().activityDestroyed(token);
3711            } catch (RemoteException ex) {
3712                // If the system process has died, it's game over for everyone.
3713            }
3714        }
3715    }
3716
3717    private final void handleRelaunchActivity(ActivityRecord tmp, int configChanges) {
3718        // If we are getting ready to gc after going to the background, well
3719        // we are back active so skip it.
3720        unscheduleGcIdler();
3721
3722        Configuration changedConfig = null;
3723
3724        if (DEBUG_CONFIGURATION) Slog.v(TAG, "Relaunching activity "
3725                + tmp.token + " with configChanges=0x"
3726                + Integer.toHexString(configChanges));
3727
3728        // First: make sure we have the most recent configuration and most
3729        // recent version of the activity, or skip it if some previous call
3730        // had taken a more recent version.
3731        synchronized (mPackages) {
3732            int N = mRelaunchingActivities.size();
3733            IBinder token = tmp.token;
3734            tmp = null;
3735            for (int i=0; i<N; i++) {
3736                ActivityRecord r = mRelaunchingActivities.get(i);
3737                if (r.token == token) {
3738                    tmp = r;
3739                    mRelaunchingActivities.remove(i);
3740                    i--;
3741                    N--;
3742                }
3743            }
3744
3745            if (tmp == null) {
3746                if (DEBUG_CONFIGURATION) Slog.v(TAG, "Abort, activity not relaunching!");
3747                return;
3748            }
3749
3750            if (mPendingConfiguration != null) {
3751                changedConfig = mPendingConfiguration;
3752                mPendingConfiguration = null;
3753            }
3754        }
3755
3756        if (tmp.createdConfig != null) {
3757            // If the activity manager is passing us its current config,
3758            // assume that is really what we want regardless of what we
3759            // may have pending.
3760            if (mConfiguration == null
3761                    || (tmp.createdConfig.isOtherSeqNewer(mConfiguration)
3762                            && mConfiguration.diff(tmp.createdConfig) != 0)) {
3763                if (changedConfig == null
3764                        || tmp.createdConfig.isOtherSeqNewer(changedConfig)) {
3765                    changedConfig = tmp.createdConfig;
3766                }
3767            }
3768        }
3769
3770        if (DEBUG_CONFIGURATION) Slog.v(TAG, "Relaunching activity "
3771                + tmp.token + ": changedConfig=" + changedConfig);
3772
3773        // If there was a pending configuration change, execute it first.
3774        if (changedConfig != null) {
3775            handleConfigurationChanged(changedConfig);
3776        }
3777
3778        ActivityRecord r = mActivities.get(tmp.token);
3779        if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handling relaunch of " + r);
3780        if (r == null) {
3781            return;
3782        }
3783
3784        r.activity.mConfigChangeFlags |= configChanges;
3785        Intent currentIntent = r.activity.mIntent;
3786
3787        Bundle savedState = null;
3788        if (!r.paused) {
3789            savedState = performPauseActivity(r.token, false, true);
3790        }
3791
3792        handleDestroyActivity(r.token, false, configChanges, true);
3793
3794        r.activity = null;
3795        r.window = null;
3796        r.hideForNow = false;
3797        r.nextIdle = null;
3798        // Merge any pending results and pending intents; don't just replace them
3799        if (tmp.pendingResults != null) {
3800            if (r.pendingResults == null) {
3801                r.pendingResults = tmp.pendingResults;
3802            } else {
3803                r.pendingResults.addAll(tmp.pendingResults);
3804            }
3805        }
3806        if (tmp.pendingIntents != null) {
3807            if (r.pendingIntents == null) {
3808                r.pendingIntents = tmp.pendingIntents;
3809            } else {
3810                r.pendingIntents.addAll(tmp.pendingIntents);
3811            }
3812        }
3813        r.startsNotResumed = tmp.startsNotResumed;
3814        if (savedState != null) {
3815            r.state = savedState;
3816        }
3817
3818        handleLaunchActivity(r, currentIntent);
3819    }
3820
3821    private final void handleRequestThumbnail(IBinder token) {
3822        ActivityRecord r = mActivities.get(token);
3823        Bitmap thumbnail = createThumbnailBitmap(r);
3824        CharSequence description = null;
3825        try {
3826            description = r.activity.onCreateDescription();
3827        } catch (Exception e) {
3828            if (!mInstrumentation.onException(r.activity, e)) {
3829                throw new RuntimeException(
3830                        "Unable to create description of activity "
3831                        + r.intent.getComponent().toShortString()
3832                        + ": " + e.toString(), e);
3833            }
3834        }
3835        //System.out.println("Reporting top thumbnail " + thumbnail);
3836        try {
3837            ActivityManagerNative.getDefault().reportThumbnail(
3838                token, thumbnail, description);
3839        } catch (RemoteException ex) {
3840        }
3841    }
3842
3843    ArrayList<ComponentCallbacks> collectComponentCallbacksLocked(
3844            boolean allActivities, Configuration newConfig) {
3845        ArrayList<ComponentCallbacks> callbacks
3846                = new ArrayList<ComponentCallbacks>();
3847
3848        if (mActivities.size() > 0) {
3849            Iterator<ActivityRecord> it = mActivities.values().iterator();
3850            while (it.hasNext()) {
3851                ActivityRecord ar = it.next();
3852                Activity a = ar.activity;
3853                if (a != null) {
3854                    if (!ar.activity.mFinished && (allActivities ||
3855                            (a != null && !ar.paused))) {
3856                        // If the activity is currently resumed, its configuration
3857                        // needs to change right now.
3858                        callbacks.add(a);
3859                    } else if (newConfig != null) {
3860                        // Otherwise, we will tell it about the change
3861                        // the next time it is resumed or shown.  Note that
3862                        // the activity manager may, before then, decide the
3863                        // activity needs to be destroyed to handle its new
3864                        // configuration.
3865                        if (DEBUG_CONFIGURATION) Slog.v(TAG, "Setting activity "
3866                                + ar.activityInfo.name + " newConfig=" + newConfig);
3867                        ar.newConfig = newConfig;
3868                    }
3869                }
3870            }
3871        }
3872        if (mServices.size() > 0) {
3873            Iterator<Service> it = mServices.values().iterator();
3874            while (it.hasNext()) {
3875                callbacks.add(it.next());
3876            }
3877        }
3878        synchronized (mProviderMap) {
3879            if (mLocalProviders.size() > 0) {
3880                Iterator<ProviderRecord> it = mLocalProviders.values().iterator();
3881                while (it.hasNext()) {
3882                    callbacks.add(it.next().mLocalProvider);
3883                }
3884            }
3885        }
3886        final int N = mAllApplications.size();
3887        for (int i=0; i<N; i++) {
3888            callbacks.add(mAllApplications.get(i));
3889        }
3890
3891        return callbacks;
3892    }
3893
3894    private final void performConfigurationChanged(
3895            ComponentCallbacks cb, Configuration config) {
3896        // Only for Activity objects, check that they actually call up to their
3897        // superclass implementation.  ComponentCallbacks is an interface, so
3898        // we check the runtime type and act accordingly.
3899        Activity activity = (cb instanceof Activity) ? (Activity) cb : null;
3900        if (activity != null) {
3901            activity.mCalled = false;
3902        }
3903
3904        boolean shouldChangeConfig = false;
3905        if ((activity == null) || (activity.mCurrentConfig == null)) {
3906            shouldChangeConfig = true;
3907        } else {
3908
3909            // If the new config is the same as the config this Activity
3910            // is already running with then don't bother calling
3911            // onConfigurationChanged
3912            int diff = activity.mCurrentConfig.diff(config);
3913            if (diff != 0) {
3914
3915                // If this activity doesn't handle any of the config changes
3916                // then don't bother calling onConfigurationChanged as we're
3917                // going to destroy it.
3918                if ((~activity.mActivityInfo.configChanges & diff) == 0) {
3919                    shouldChangeConfig = true;
3920                }
3921            }
3922        }
3923
3924        if (DEBUG_CONFIGURATION) Slog.v(TAG, "Config callback " + cb
3925                + ": shouldChangeConfig=" + shouldChangeConfig);
3926        if (shouldChangeConfig) {
3927            cb.onConfigurationChanged(config);
3928
3929            if (activity != null) {
3930                if (!activity.mCalled) {
3931                    throw new SuperNotCalledException(
3932                            "Activity " + activity.getLocalClassName() +
3933                        " did not call through to super.onConfigurationChanged()");
3934                }
3935                activity.mConfigChangeFlags = 0;
3936                activity.mCurrentConfig = new Configuration(config);
3937            }
3938        }
3939    }
3940
3941    final boolean applyConfigurationToResourcesLocked(Configuration config) {
3942        if (mResConfiguration == null) {
3943            mResConfiguration = new Configuration();
3944        }
3945        if (!mResConfiguration.isOtherSeqNewer(config)) {
3946            if (DEBUG_CONFIGURATION) Slog.v(TAG, "Skipping new config: curSeq="
3947                    + mResConfiguration.seq + ", newSeq=" + config.seq);
3948            return false;
3949        }
3950        int changes = mResConfiguration.updateFrom(config);
3951        DisplayMetrics dm = getDisplayMetricsLocked(true);
3952
3953        // set it for java, this also affects newly created Resources
3954        if (config.locale != null) {
3955            Locale.setDefault(config.locale);
3956        }
3957
3958        Resources.updateSystemConfiguration(config, dm);
3959
3960        ContextImpl.ApplicationPackageManager.configurationChanged();
3961        //Slog.i(TAG, "Configuration changed in " + currentPackageName());
3962
3963        Iterator<WeakReference<Resources>> it =
3964            mActiveResources.values().iterator();
3965        //Iterator<Map.Entry<String, WeakReference<Resources>>> it =
3966        //    mActiveResources.entrySet().iterator();
3967        while (it.hasNext()) {
3968            WeakReference<Resources> v = it.next();
3969            Resources r = v.get();
3970            if (r != null) {
3971                if (DEBUG_CONFIGURATION) Slog.v(TAG, "Changing resources "
3972                        + r + " config to: " + config);
3973                r.updateConfiguration(config, dm);
3974                //Slog.i(TAG, "Updated app resources " + v.getKey()
3975                //        + " " + r + ": " + r.getConfiguration());
3976            } else {
3977                //Slog.i(TAG, "Removing old resources " + v.getKey());
3978                it.remove();
3979            }
3980        }
3981
3982        return changes != 0;
3983    }
3984
3985    final void handleConfigurationChanged(Configuration config) {
3986
3987        ArrayList<ComponentCallbacks> callbacks = null;
3988
3989        synchronized (mPackages) {
3990            if (mPendingConfiguration != null) {
3991                if (!mPendingConfiguration.isOtherSeqNewer(config)) {
3992                    config = mPendingConfiguration;
3993                }
3994                mPendingConfiguration = null;
3995            }
3996
3997            if (config == null) {
3998                return;
3999            }
4000
4001            if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handle configuration changed: "
4002                    + config);
4003
4004            applyConfigurationToResourcesLocked(config);
4005
4006            if (mConfiguration == null) {
4007                mConfiguration = new Configuration();
4008            }
4009            if (!mConfiguration.isOtherSeqNewer(config)) {
4010                return;
4011            }
4012            mConfiguration.updateFrom(config);
4013
4014            callbacks = collectComponentCallbacksLocked(false, config);
4015        }
4016
4017        if (callbacks != null) {
4018            final int N = callbacks.size();
4019            for (int i=0; i<N; i++) {
4020                performConfigurationChanged(callbacks.get(i), config);
4021            }
4022        }
4023    }
4024
4025    final void handleActivityConfigurationChanged(IBinder token) {
4026        ActivityRecord r = mActivities.get(token);
4027        if (r == null || r.activity == null) {
4028            return;
4029        }
4030
4031        if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handle activity config changed: "
4032                + r.activityInfo.name);
4033
4034        performConfigurationChanged(r.activity, mConfiguration);
4035    }
4036
4037    final void handleProfilerControl(boolean start, ProfilerControlData pcd) {
4038        if (start) {
4039            try {
4040                Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(),
4041                        8 * 1024 * 1024, 0);
4042            } catch (RuntimeException e) {
4043                Slog.w(TAG, "Profiling failed on path " + pcd.path
4044                        + " -- can the process access this path?");
4045            } finally {
4046                try {
4047                    pcd.fd.close();
4048                } catch (IOException e) {
4049                    Slog.w(TAG, "Failure closing profile fd", e);
4050                }
4051            }
4052        } else {
4053            Debug.stopMethodTracing();
4054        }
4055    }
4056
4057    final void handleLowMemory() {
4058        ArrayList<ComponentCallbacks> callbacks
4059                = new ArrayList<ComponentCallbacks>();
4060
4061        synchronized (mPackages) {
4062            callbacks = collectComponentCallbacksLocked(true, null);
4063        }
4064
4065        final int N = callbacks.size();
4066        for (int i=0; i<N; i++) {
4067            callbacks.get(i).onLowMemory();
4068        }
4069
4070        // Ask SQLite to free up as much memory as it can, mostly from its page caches.
4071        if (Process.myUid() != Process.SYSTEM_UID) {
4072            int sqliteReleased = SQLiteDatabase.releaseMemory();
4073            EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased);
4074        }
4075
4076        // Ask graphics to free up as much as possible (font/image caches)
4077        Canvas.freeCaches();
4078
4079        BinderInternal.forceGc("mem");
4080    }
4081
4082    private final void handleBindApplication(AppBindData data) {
4083        mBoundApplication = data;
4084        mConfiguration = new Configuration(data.config);
4085
4086        // send up app name; do this *before* waiting for debugger
4087        Process.setArgV0(data.processName);
4088        android.ddm.DdmHandleAppName.setAppName(data.processName);
4089
4090        /*
4091         * Before spawning a new process, reset the time zone to be the system time zone.
4092         * This needs to be done because the system time zone could have changed after the
4093         * the spawning of this process. Without doing this this process would have the incorrect
4094         * system time zone.
4095         */
4096        TimeZone.setDefault(null);
4097
4098        /*
4099         * Initialize the default locale in this process for the reasons we set the time zone.
4100         */
4101        Locale.setDefault(data.config.locale);
4102
4103        /*
4104         * Update the system configuration since its preloaded and might not
4105         * reflect configuration changes. The configuration object passed
4106         * in AppBindData can be safely assumed to be up to date
4107         */
4108        Resources.getSystem().updateConfiguration(mConfiguration, null);
4109
4110        data.info = getPackageInfoNoCheck(data.appInfo);
4111
4112        /**
4113         * Switch this process to density compatibility mode if needed.
4114         */
4115        if ((data.appInfo.flags&ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES)
4116                == 0) {
4117            Bitmap.setDefaultDensity(DisplayMetrics.DENSITY_DEFAULT);
4118        }
4119
4120        if (data.debugMode != IApplicationThread.DEBUG_OFF) {
4121            // XXX should have option to change the port.
4122            Debug.changeDebugPort(8100);
4123            if (data.debugMode == IApplicationThread.DEBUG_WAIT) {
4124                Slog.w(TAG, "Application " + data.info.getPackageName()
4125                      + " is waiting for the debugger on port 8100...");
4126
4127                IActivityManager mgr = ActivityManagerNative.getDefault();
4128                try {
4129                    mgr.showWaitingForDebugger(mAppThread, true);
4130                } catch (RemoteException ex) {
4131                }
4132
4133                Debug.waitForDebugger();
4134
4135                try {
4136                    mgr.showWaitingForDebugger(mAppThread, false);
4137                } catch (RemoteException ex) {
4138                }
4139
4140            } else {
4141                Slog.w(TAG, "Application " + data.info.getPackageName()
4142                      + " can be debugged on port 8100...");
4143            }
4144        }
4145
4146        if (data.instrumentationName != null) {
4147            ContextImpl appContext = new ContextImpl();
4148            appContext.init(data.info, null, this);
4149            InstrumentationInfo ii = null;
4150            try {
4151                ii = appContext.getPackageManager().
4152                    getInstrumentationInfo(data.instrumentationName, 0);
4153            } catch (PackageManager.NameNotFoundException e) {
4154            }
4155            if (ii == null) {
4156                throw new RuntimeException(
4157                    "Unable to find instrumentation info for: "
4158                    + data.instrumentationName);
4159            }
4160
4161            mInstrumentationAppDir = ii.sourceDir;
4162            mInstrumentationAppPackage = ii.packageName;
4163            mInstrumentedAppDir = data.info.getAppDir();
4164
4165            ApplicationInfo instrApp = new ApplicationInfo();
4166            instrApp.packageName = ii.packageName;
4167            instrApp.sourceDir = ii.sourceDir;
4168            instrApp.publicSourceDir = ii.publicSourceDir;
4169            instrApp.dataDir = ii.dataDir;
4170            PackageInfo pi = getPackageInfo(instrApp,
4171                    appContext.getClassLoader(), false, true);
4172            ContextImpl instrContext = new ContextImpl();
4173            instrContext.init(pi, null, this);
4174
4175            try {
4176                java.lang.ClassLoader cl = instrContext.getClassLoader();
4177                mInstrumentation = (Instrumentation)
4178                    cl.loadClass(data.instrumentationName.getClassName()).newInstance();
4179            } catch (Exception e) {
4180                throw new RuntimeException(
4181                    "Unable to instantiate instrumentation "
4182                    + data.instrumentationName + ": " + e.toString(), e);
4183            }
4184
4185            mInstrumentation.init(this, instrContext, appContext,
4186                    new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher);
4187
4188            if (data.profileFile != null && !ii.handleProfiling) {
4189                data.handlingProfiling = true;
4190                File file = new File(data.profileFile);
4191                file.getParentFile().mkdirs();
4192                Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
4193            }
4194
4195            try {
4196                mInstrumentation.onCreate(data.instrumentationArgs);
4197            }
4198            catch (Exception e) {
4199                throw new RuntimeException(
4200                    "Exception thrown in onCreate() of "
4201                    + data.instrumentationName + ": " + e.toString(), e);
4202            }
4203
4204        } else {
4205            mInstrumentation = new Instrumentation();
4206        }
4207
4208        // If the app is being launched for full backup or restore, bring it up in
4209        // a restricted environment with the base application class.
4210        Application app = data.info.makeApplication(data.restrictedBackupMode, null);
4211        mInitialApplication = app;
4212
4213        List<ProviderInfo> providers = data.providers;
4214        if (providers != null) {
4215            installContentProviders(app, providers);
4216            // For process that contain content providers, we want to
4217            // ensure that the JIT is enabled "at some point".
4218            mH.sendEmptyMessageDelayed(H.ENABLE_JIT, 10*1000);
4219        }
4220
4221        try {
4222            mInstrumentation.callApplicationOnCreate(app);
4223        } catch (Exception e) {
4224            if (!mInstrumentation.onException(app, e)) {
4225                throw new RuntimeException(
4226                    "Unable to create application " + app.getClass().getName()
4227                    + ": " + e.toString(), e);
4228            }
4229        }
4230    }
4231
4232    /*package*/ final void finishInstrumentation(int resultCode, Bundle results) {
4233        IActivityManager am = ActivityManagerNative.getDefault();
4234        if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) {
4235            Debug.stopMethodTracing();
4236        }
4237        //Slog.i(TAG, "am: " + ActivityManagerNative.getDefault()
4238        //      + ", app thr: " + mAppThread);
4239        try {
4240            am.finishInstrumentation(mAppThread, resultCode, results);
4241        } catch (RemoteException ex) {
4242        }
4243    }
4244
4245    private final void installContentProviders(
4246            Context context, List<ProviderInfo> providers) {
4247        final ArrayList<IActivityManager.ContentProviderHolder> results =
4248            new ArrayList<IActivityManager.ContentProviderHolder>();
4249
4250        Iterator<ProviderInfo> i = providers.iterator();
4251        while (i.hasNext()) {
4252            ProviderInfo cpi = i.next();
4253            StringBuilder buf = new StringBuilder(128);
4254            buf.append("Publishing provider ");
4255            buf.append(cpi.authority);
4256            buf.append(": ");
4257            buf.append(cpi.name);
4258            Log.i(TAG, buf.toString());
4259            IContentProvider cp = installProvider(context, null, cpi, false);
4260            if (cp != null) {
4261                IActivityManager.ContentProviderHolder cph =
4262                    new IActivityManager.ContentProviderHolder(cpi);
4263                cph.provider = cp;
4264                results.add(cph);
4265                // Don't ever unload this provider from the process.
4266                synchronized(mProviderMap) {
4267                    mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000));
4268                }
4269            }
4270        }
4271
4272        try {
4273            ActivityManagerNative.getDefault().publishContentProviders(
4274                getApplicationThread(), results);
4275        } catch (RemoteException ex) {
4276        }
4277    }
4278
4279    private final IContentProvider getProvider(Context context, String name) {
4280        synchronized(mProviderMap) {
4281            final ProviderRecord pr = mProviderMap.get(name);
4282            if (pr != null) {
4283                return pr.mProvider;
4284            }
4285        }
4286
4287        IActivityManager.ContentProviderHolder holder = null;
4288        try {
4289            holder = ActivityManagerNative.getDefault().getContentProvider(
4290                getApplicationThread(), name);
4291        } catch (RemoteException ex) {
4292        }
4293        if (holder == null) {
4294            Slog.e(TAG, "Failed to find provider info for " + name);
4295            return null;
4296        }
4297        if (holder.permissionFailure != null) {
4298            throw new SecurityException("Permission " + holder.permissionFailure
4299                    + " required for provider " + name);
4300        }
4301
4302        IContentProvider prov = installProvider(context, holder.provider,
4303                holder.info, true);
4304        //Slog.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded);
4305        if (holder.noReleaseNeeded || holder.provider == null) {
4306            // We are not going to release the provider if it is an external
4307            // provider that doesn't care about being released, or if it is
4308            // a local provider running in this process.
4309            //Slog.i(TAG, "*** NO RELEASE NEEDED");
4310            synchronized(mProviderMap) {
4311                mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000));
4312            }
4313        }
4314        return prov;
4315    }
4316
4317    public final IContentProvider acquireProvider(Context c, String name) {
4318        IContentProvider provider = getProvider(c, name);
4319        if(provider == null)
4320            return null;
4321        IBinder jBinder = provider.asBinder();
4322        synchronized(mProviderMap) {
4323            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4324            if(prc == null) {
4325                mProviderRefCountMap.put(jBinder, new ProviderRefCount(1));
4326            } else {
4327                prc.count++;
4328            } //end else
4329        } //end synchronized
4330        return provider;
4331    }
4332
4333    public final boolean releaseProvider(IContentProvider provider) {
4334        if(provider == null) {
4335            return false;
4336        }
4337        IBinder jBinder = provider.asBinder();
4338        synchronized(mProviderMap) {
4339            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4340            if(prc == null) {
4341                if(localLOGV) Slog.v(TAG, "releaseProvider::Weird shouldnt be here");
4342                return false;
4343            } else {
4344                prc.count--;
4345                if(prc.count == 0) {
4346                    // Schedule the actual remove asynchronously, since we
4347                    // don't know the context this will be called in.
4348                    // TODO: it would be nice to post a delayed message, so
4349                    // if we come back and need the same provider quickly
4350                    // we will still have it available.
4351                    Message msg = mH.obtainMessage(H.REMOVE_PROVIDER, provider);
4352                    mH.sendMessage(msg);
4353                } //end if
4354            } //end else
4355        } //end synchronized
4356        return true;
4357    }
4358
4359    final void completeRemoveProvider(IContentProvider provider) {
4360        IBinder jBinder = provider.asBinder();
4361        String name = null;
4362        synchronized(mProviderMap) {
4363            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4364            if(prc != null && prc.count == 0) {
4365                mProviderRefCountMap.remove(jBinder);
4366                //invoke removeProvider to dereference provider
4367                name = removeProviderLocked(provider);
4368            }
4369        }
4370
4371        if (name != null) {
4372            try {
4373                if(localLOGV) Slog.v(TAG, "removeProvider::Invoking " +
4374                        "ActivityManagerNative.removeContentProvider(" + name);
4375                ActivityManagerNative.getDefault().removeContentProvider(
4376                        getApplicationThread(), name);
4377            } catch (RemoteException e) {
4378                //do nothing content provider object is dead any way
4379            } //end catch
4380        }
4381    }
4382
4383    public final String removeProviderLocked(IContentProvider provider) {
4384        if (provider == null) {
4385            return null;
4386        }
4387        IBinder providerBinder = provider.asBinder();
4388
4389        String name = null;
4390
4391        // remove the provider from mProviderMap
4392        Iterator<ProviderRecord> iter = mProviderMap.values().iterator();
4393        while (iter.hasNext()) {
4394            ProviderRecord pr = iter.next();
4395            IBinder myBinder = pr.mProvider.asBinder();
4396            if (myBinder == providerBinder) {
4397                //find if its published by this process itself
4398                if(pr.mLocalProvider != null) {
4399                    if(localLOGV) Slog.i(TAG, "removeProvider::found local provider returning");
4400                    return name;
4401                }
4402                if(localLOGV) Slog.v(TAG, "removeProvider::Not local provider Unlinking " +
4403                        "death recipient");
4404                //content provider is in another process
4405                myBinder.unlinkToDeath(pr, 0);
4406                iter.remove();
4407                //invoke remove only once for the very first name seen
4408                if(name == null) {
4409                    name = pr.mName;
4410                }
4411            } //end if myBinder
4412        }  //end while iter
4413
4414        return name;
4415    }
4416
4417    final void removeDeadProvider(String name, IContentProvider provider) {
4418        synchronized(mProviderMap) {
4419            ProviderRecord pr = mProviderMap.get(name);
4420            if (pr.mProvider.asBinder() == provider.asBinder()) {
4421                Slog.i(TAG, "Removing dead content provider: " + name);
4422                ProviderRecord removed = mProviderMap.remove(name);
4423                if (removed != null) {
4424                    removed.mProvider.asBinder().unlinkToDeath(removed, 0);
4425                }
4426            }
4427        }
4428    }
4429
4430    final void removeDeadProviderLocked(String name, IContentProvider provider) {
4431        ProviderRecord pr = mProviderMap.get(name);
4432        if (pr.mProvider.asBinder() == provider.asBinder()) {
4433            Slog.i(TAG, "Removing dead content provider: " + name);
4434            ProviderRecord removed = mProviderMap.remove(name);
4435            if (removed != null) {
4436                removed.mProvider.asBinder().unlinkToDeath(removed, 0);
4437            }
4438        }
4439    }
4440
4441    private final IContentProvider installProvider(Context context,
4442            IContentProvider provider, ProviderInfo info, boolean noisy) {
4443        ContentProvider localProvider = null;
4444        if (provider == null) {
4445            if (noisy) {
4446                Slog.d(TAG, "Loading provider " + info.authority + ": "
4447                        + info.name);
4448            }
4449            Context c = null;
4450            ApplicationInfo ai = info.applicationInfo;
4451            if (context.getPackageName().equals(ai.packageName)) {
4452                c = context;
4453            } else if (mInitialApplication != null &&
4454                    mInitialApplication.getPackageName().equals(ai.packageName)) {
4455                c = mInitialApplication;
4456            } else {
4457                try {
4458                    c = context.createPackageContext(ai.packageName,
4459                            Context.CONTEXT_INCLUDE_CODE);
4460                } catch (PackageManager.NameNotFoundException e) {
4461                }
4462            }
4463            if (c == null) {
4464                Slog.w(TAG, "Unable to get context for package " +
4465                      ai.packageName +
4466                      " while loading content provider " +
4467                      info.name);
4468                return null;
4469            }
4470            try {
4471                final java.lang.ClassLoader cl = c.getClassLoader();
4472                localProvider = (ContentProvider)cl.
4473                    loadClass(info.name).newInstance();
4474                provider = localProvider.getIContentProvider();
4475                if (provider == null) {
4476                    Slog.e(TAG, "Failed to instantiate class " +
4477                          info.name + " from sourceDir " +
4478                          info.applicationInfo.sourceDir);
4479                    return null;
4480                }
4481                if (Config.LOGV) Slog.v(
4482                    TAG, "Instantiating local provider " + info.name);
4483                // XXX Need to create the correct context for this provider.
4484                localProvider.attachInfo(c, info);
4485            } catch (java.lang.Exception e) {
4486                if (!mInstrumentation.onException(null, e)) {
4487                    throw new RuntimeException(
4488                            "Unable to get provider " + info.name
4489                            + ": " + e.toString(), e);
4490                }
4491                return null;
4492            }
4493        } else if (localLOGV) {
4494            Slog.v(TAG, "Installing external provider " + info.authority + ": "
4495                    + info.name);
4496        }
4497
4498        synchronized (mProviderMap) {
4499            // Cache the pointer for the remote provider.
4500            String names[] = PATTERN_SEMICOLON.split(info.authority);
4501            for (int i=0; i<names.length; i++) {
4502                ProviderRecord pr = new ProviderRecord(names[i], provider,
4503                        localProvider);
4504                try {
4505                    provider.asBinder().linkToDeath(pr, 0);
4506                    mProviderMap.put(names[i], pr);
4507                } catch (RemoteException e) {
4508                    return null;
4509                }
4510            }
4511            if (localProvider != null) {
4512                mLocalProviders.put(provider.asBinder(),
4513                        new ProviderRecord(null, provider, localProvider));
4514            }
4515        }
4516
4517        return provider;
4518    }
4519
4520    private final void attach(boolean system) {
4521        sThreadLocal.set(this);
4522        mSystemThread = system;
4523        if (!system) {
4524            ViewRoot.addFirstDrawHandler(new Runnable() {
4525                public void run() {
4526                    ensureJitEnabled();
4527                }
4528            });
4529            android.ddm.DdmHandleAppName.setAppName("<pre-initialized>");
4530            RuntimeInit.setApplicationObject(mAppThread.asBinder());
4531            IActivityManager mgr = ActivityManagerNative.getDefault();
4532            try {
4533                mgr.attachApplication(mAppThread);
4534            } catch (RemoteException ex) {
4535            }
4536        } else {
4537            // Don't set application object here -- if the system crashes,
4538            // we can't display an alert, we just want to die die die.
4539            android.ddm.DdmHandleAppName.setAppName("system_process");
4540            try {
4541                mInstrumentation = new Instrumentation();
4542                ContextImpl context = new ContextImpl();
4543                context.init(getSystemContext().mPackageInfo, null, this);
4544                Application app = Instrumentation.newApplication(Application.class, context);
4545                mAllApplications.add(app);
4546                mInitialApplication = app;
4547                app.onCreate();
4548            } catch (Exception e) {
4549                throw new RuntimeException(
4550                        "Unable to instantiate Application():" + e.toString(), e);
4551            }
4552        }
4553
4554        ViewRoot.addConfigCallback(new ComponentCallbacks() {
4555            public void onConfigurationChanged(Configuration newConfig) {
4556                synchronized (mPackages) {
4557                    // We need to apply this change to the resources
4558                    // immediately, because upon returning the view
4559                    // hierarchy will be informed about it.
4560                    if (applyConfigurationToResourcesLocked(newConfig)) {
4561                        // This actually changed the resources!  Tell
4562                        // everyone about it.
4563                        if (mPendingConfiguration == null ||
4564                                mPendingConfiguration.isOtherSeqNewer(newConfig)) {
4565                            mPendingConfiguration = newConfig;
4566
4567                            queueOrSendMessage(H.CONFIGURATION_CHANGED, newConfig);
4568                        }
4569                    }
4570                }
4571            }
4572            public void onLowMemory() {
4573            }
4574        });
4575    }
4576
4577    private final void detach()
4578    {
4579        sThreadLocal.set(null);
4580    }
4581
4582    public static final ActivityThread systemMain() {
4583        ActivityThread thread = new ActivityThread();
4584        thread.attach(true);
4585        return thread;
4586    }
4587
4588    public final void installSystemProviders(List providers) {
4589        if (providers != null) {
4590            installContentProviders(mInitialApplication,
4591                                    (List<ProviderInfo>)providers);
4592        }
4593    }
4594
4595    public static final void main(String[] args) {
4596        SamplingProfilerIntegration.start();
4597
4598        Process.setArgV0("<pre-initialized>");
4599
4600        Looper.prepareMainLooper();
4601
4602        ActivityThread thread = new ActivityThread();
4603        thread.attach(false);
4604
4605        Looper.loop();
4606
4607        if (Process.supportsProcesses()) {
4608            throw new RuntimeException("Main thread loop unexpectedly exited");
4609        }
4610
4611        thread.detach();
4612        String name = (thread.mInitialApplication != null)
4613            ? thread.mInitialApplication.getPackageName()
4614            : "<unknown>";
4615        Slog.i(TAG, "Main thread of " + name + " is now exiting");
4616    }
4617}
4618