ActivityThread.java revision 778ce486656a00c21ae9b51cda1f504fc11004f6 
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.content.BroadcastReceiver;
20import android.content.ComponentCallbacks;
21import android.content.ComponentName;
22import android.content.ContentProvider;
23import android.content.Context;
24import android.content.IContentProvider;
25import android.content.Intent;
26import android.content.IIntentReceiver;
27import android.content.ServiceConnection;
28import android.content.pm.ActivityInfo;
29import android.content.pm.ApplicationInfo;
30import android.content.pm.IPackageManager;
31import android.content.pm.InstrumentationInfo;
32import android.content.pm.PackageManager;
33import android.content.pm.ProviderInfo;
34import android.content.pm.ServiceInfo;
35import android.content.res.AssetManager;
36import android.content.res.CompatibilityInfo;
37import android.content.res.Configuration;
38import android.content.res.Resources;
39import android.database.sqlite.SQLiteDatabase;
40import android.database.sqlite.SQLiteDebug;
41import android.graphics.Bitmap;
42import android.graphics.Canvas;
43import android.os.Bundle;
44import android.os.Debug;
45import android.os.Handler;
46import android.os.IBinder;
47import android.os.Looper;
48import android.os.Message;
49import android.os.MessageQueue;
50import android.os.ParcelFileDescriptor;
51import android.os.Process;
52import android.os.RemoteException;
53import android.os.ServiceManager;
54import android.os.SystemClock;
55import android.util.AndroidRuntimeException;
56import android.util.Config;
57import android.util.DisplayMetrics;
58import android.util.EventLog;
59import android.util.Log;
60import android.view.Display;
61import android.view.View;
62import android.view.ViewDebug;
63import android.view.ViewManager;
64import android.view.ViewRoot;
65import android.view.Window;
66import android.view.WindowManager;
67import android.view.WindowManagerImpl;
68
69import com.android.internal.os.BinderInternal;
70import com.android.internal.os.RuntimeInit;
71import com.android.internal.os.SamplingProfilerIntegration;
72import com.android.internal.util.ArrayUtils;
73
74import org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl;
75
76import java.io.File;
77import java.io.FileDescriptor;
78import java.io.FileOutputStream;
79import java.io.IOException;
80import java.io.InputStream;
81import java.io.PrintWriter;
82import java.lang.ref.WeakReference;
83import java.net.URL;
84import java.util.ArrayList;
85import java.util.Enumeration;
86import java.util.HashMap;
87import java.util.Iterator;
88import java.util.List;
89import java.util.Locale;
90import java.util.Map;
91import java.util.TimeZone;
92import java.util.regex.Pattern;
93
94import dalvik.system.SamplingProfiler;
95
96final class IntentReceiverLeaked extends AndroidRuntimeException {
97    public IntentReceiverLeaked(String msg) {
98        super(msg);
99    }
100}
101
102final class ServiceConnectionLeaked extends AndroidRuntimeException {
103    public ServiceConnectionLeaked(String msg) {
104        super(msg);
105    }
106}
107
108final class SuperNotCalledException extends AndroidRuntimeException {
109    public SuperNotCalledException(String msg) {
110        super(msg);
111    }
112}
113
114/**
115 * This manages the execution of the main thread in an
116 * application process, scheduling and executing activities,
117 * broadcasts, and other operations on it as the activity
118 * manager requests.
119 *
120 * {@hide}
121 */
122public final class ActivityThread {
123    private static final String TAG = "ActivityThread";
124    private static final boolean DEBUG = false;
125    private static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV;
126    private static final boolean DEBUG_BROADCAST = false;
127    private static final boolean DEBUG_RESULTS = false;
128    private static final boolean DEBUG_BACKUP = false;
129    private static final boolean DEBUG_CONFIGURATION = false;
130    private static final long MIN_TIME_BETWEEN_GCS = 5*1000;
131    private static final Pattern PATTERN_SEMICOLON = Pattern.compile(";");
132    private static final int SQLITE_MEM_RELEASED_EVENT_LOG_TAG = 75003;
133    private static final int LOG_ON_PAUSE_CALLED = 30021;
134    private static final int LOG_ON_RESUME_CALLED = 30022;
135
136
137    public static final ActivityThread currentActivityThread() {
138        return (ActivityThread)sThreadLocal.get();
139    }
140
141    public static final String currentPackageName()
142    {
143        ActivityThread am = currentActivityThread();
144        return (am != null && am.mBoundApplication != null)
145            ? am.mBoundApplication.processName : null;
146    }
147
148    public static IPackageManager getPackageManager() {
149        if (sPackageManager != null) {
150            //Log.v("PackageManager", "returning cur default = " + sPackageManager);
151            return sPackageManager;
152        }
153        IBinder b = ServiceManager.getService("package");
154        //Log.v("PackageManager", "default service binder = " + b);
155        sPackageManager = IPackageManager.Stub.asInterface(b);
156        //Log.v("PackageManager", "default service = " + sPackageManager);
157        return sPackageManager;
158    }
159
160    DisplayMetrics getDisplayMetricsLocked(boolean forceUpdate) {
161        if (mDisplayMetrics != null && !forceUpdate) {
162            return mDisplayMetrics;
163        }
164        if (mDisplay == null) {
165            WindowManager wm = WindowManagerImpl.getDefault();
166            mDisplay = wm.getDefaultDisplay();
167        }
168        DisplayMetrics metrics = mDisplayMetrics = new DisplayMetrics();
169        mDisplay.getMetrics(metrics);
170        //Log.i("foo", "New metrics: w=" + metrics.widthPixels + " h="
171        //        + metrics.heightPixels + " den=" + metrics.density
172        //        + " xdpi=" + metrics.xdpi + " ydpi=" + metrics.ydpi);
173        return metrics;
174    }
175
176    /**
177     * Creates the top level Resources for applications with the given compatibility info.
178     *
179     * @param resDir the resource directory.
180     * @param compInfo the compability info. It will use the default compatibility info when it's
181     * null.
182     */
183    Resources getTopLevelResources(String resDir, CompatibilityInfo compInfo) {
184        ResourcesKey key = new ResourcesKey(resDir, compInfo.applicationScale);
185        Resources r;
186        synchronized (mPackages) {
187            // Resources is app scale dependent.
188            if (false) {
189                Log.w(TAG, "getTopLevelResources: " + resDir + " / "
190                        + compInfo.applicationScale);
191            }
192            WeakReference<Resources> wr = mActiveResources.get(key);
193            r = wr != null ? wr.get() : null;
194            if (r != null && r.getAssets().isUpToDate()) {
195                if (false) {
196                    Log.w(TAG, "Returning cached resources " + r + " " + resDir
197                            + ": appScale=" + r.getCompatibilityInfo().applicationScale);
198                }
199                return r;
200            }
201        }
202
203        //if (r != null) {
204        //    Log.w(TAG, "Throwing away out-of-date resources!!!! "
205        //            + r + " " + resDir);
206        //}
207
208        AssetManager assets = new AssetManager();
209        if (assets.addAssetPath(resDir) == 0) {
210            return null;
211        }
212
213        //Log.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics);
214        DisplayMetrics metrics = getDisplayMetricsLocked(false);
215        r = new Resources(assets, metrics, getConfiguration(), compInfo);
216        if (false) {
217            Log.i(TAG, "Created app resources " + resDir + " " + r + ": "
218                    + r.getConfiguration() + " appScale="
219                    + r.getCompatibilityInfo().applicationScale);
220        }
221
222        synchronized (mPackages) {
223            WeakReference<Resources> wr = mActiveResources.get(key);
224            Resources existing = wr != null ? wr.get() : null;
225            if (existing != null && existing.getAssets().isUpToDate()) {
226                // Someone else already created the resources while we were
227                // unlocked; go ahead and use theirs.
228                r.getAssets().close();
229                return existing;
230            }
231
232            // XXX need to remove entries when weak references go away
233            mActiveResources.put(key, new WeakReference<Resources>(r));
234            return r;
235        }
236    }
237
238    /**
239     * Creates the top level resources for the given package.
240     */
241    Resources getTopLevelResources(String resDir, PackageInfo pkgInfo) {
242        return getTopLevelResources(resDir, pkgInfo.mCompatibilityInfo);
243    }
244
245    final Handler getHandler() {
246        return mH;
247    }
248
249    public final static class PackageInfo {
250
251        private final ActivityThread mActivityThread;
252        private final ApplicationInfo mApplicationInfo;
253        private final String mPackageName;
254        private final String mAppDir;
255        private final String mResDir;
256        private final String[] mSharedLibraries;
257        private final String mDataDir;
258        private final File mDataDirFile;
259        private final ClassLoader mBaseClassLoader;
260        private final boolean mSecurityViolation;
261        private final boolean mIncludeCode;
262        private Resources mResources;
263        private ClassLoader mClassLoader;
264        private Application mApplication;
265        private CompatibilityInfo mCompatibilityInfo;
266
267        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mReceivers
268            = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
269        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mUnregisteredReceivers
270        = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
271        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mServices
272            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
273        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mUnboundServices
274            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
275
276        int mClientCount = 0;
277
278        public PackageInfo(ActivityThread activityThread, ApplicationInfo aInfo,
279                ActivityThread mainThread, ClassLoader baseLoader,
280                boolean securityViolation, boolean includeCode) {
281            mActivityThread = activityThread;
282            mApplicationInfo = aInfo;
283            mPackageName = aInfo.packageName;
284            mAppDir = aInfo.sourceDir;
285            mResDir = aInfo.uid == Process.myUid() ? aInfo.sourceDir
286                    : aInfo.publicSourceDir;
287            mSharedLibraries = aInfo.sharedLibraryFiles;
288            mDataDir = aInfo.dataDir;
289            mDataDirFile = mDataDir != null ? new File(mDataDir) : null;
290            mBaseClassLoader = baseLoader;
291            mSecurityViolation = securityViolation;
292            mIncludeCode = includeCode;
293            mCompatibilityInfo = new CompatibilityInfo(aInfo);
294
295            if (mAppDir == null) {
296                if (mSystemContext == null) {
297                    mSystemContext =
298                        ContextImpl.createSystemContext(mainThread);
299                    mSystemContext.getResources().updateConfiguration(
300                             mainThread.getConfiguration(),
301                             mainThread.getDisplayMetricsLocked(false));
302                    //Log.i(TAG, "Created system resources "
303                    //        + mSystemContext.getResources() + ": "
304                    //        + mSystemContext.getResources().getConfiguration());
305                }
306                mClassLoader = mSystemContext.getClassLoader();
307                mResources = mSystemContext.getResources();
308            }
309        }
310
311        public PackageInfo(ActivityThread activityThread, String name,
312                Context systemContext, ApplicationInfo info) {
313            mActivityThread = activityThread;
314            mApplicationInfo = info != null ? info : new ApplicationInfo();
315            mApplicationInfo.packageName = name;
316            mPackageName = name;
317            mAppDir = null;
318            mResDir = null;
319            mSharedLibraries = null;
320            mDataDir = null;
321            mDataDirFile = null;
322            mBaseClassLoader = null;
323            mSecurityViolation = false;
324            mIncludeCode = true;
325            mClassLoader = systemContext.getClassLoader();
326            mResources = systemContext.getResources();
327            mCompatibilityInfo = new CompatibilityInfo(mApplicationInfo);
328        }
329
330        public String getPackageName() {
331            return mPackageName;
332        }
333
334        public ApplicationInfo getApplicationInfo() {
335            return mApplicationInfo;
336        }
337
338        public boolean isSecurityViolation() {
339            return mSecurityViolation;
340        }
341
342        /**
343         * Gets the array of shared libraries that are listed as
344         * used by the given package.
345         *
346         * @param packageName the name of the package (note: not its
347         * file name)
348         * @return null-ok; the array of shared libraries, each one
349         * a fully-qualified path
350         */
351        private static String[] getLibrariesFor(String packageName) {
352            ApplicationInfo ai = null;
353            try {
354                ai = getPackageManager().getApplicationInfo(packageName,
355                        PackageManager.GET_SHARED_LIBRARY_FILES);
356            } catch (RemoteException e) {
357                throw new AssertionError(e);
358            }
359
360            if (ai == null) {
361                return null;
362            }
363
364            return ai.sharedLibraryFiles;
365        }
366
367        /**
368         * Combines two arrays (of library names) such that they are
369         * concatenated in order but are devoid of duplicates. The
370         * result is a single string with the names of the libraries
371         * separated by colons, or <code>null</code> if both lists
372         * were <code>null</code> or empty.
373         *
374         * @param list1 null-ok; the first list
375         * @param list2 null-ok; the second list
376         * @return null-ok; the combination
377         */
378        private static String combineLibs(String[] list1, String[] list2) {
379            StringBuilder result = new StringBuilder(300);
380            boolean first = true;
381
382            if (list1 != null) {
383                for (String s : list1) {
384                    if (first) {
385                        first = false;
386                    } else {
387                        result.append(':');
388                    }
389                    result.append(s);
390                }
391            }
392
393            // Only need to check for duplicates if list1 was non-empty.
394            boolean dupCheck = !first;
395
396            if (list2 != null) {
397                for (String s : list2) {
398                    if (dupCheck && ArrayUtils.contains(list1, s)) {
399                        continue;
400                    }
401
402                    if (first) {
403                        first = false;
404                    } else {
405                        result.append(':');
406                    }
407                    result.append(s);
408                }
409            }
410
411            return result.toString();
412        }
413
414        public ClassLoader getClassLoader() {
415            synchronized (this) {
416                if (mClassLoader != null) {
417                    return mClassLoader;
418                }
419
420                if (mIncludeCode && !mPackageName.equals("android")) {
421                    String zip = mAppDir;
422
423                    /*
424                     * The following is a bit of a hack to inject
425                     * instrumentation into the system: If the app
426                     * being started matches one of the instrumentation names,
427                     * then we combine both the "instrumentation" and
428                     * "instrumented" app into the path, along with the
429                     * concatenation of both apps' shared library lists.
430                     */
431
432                    String instrumentationAppDir =
433                            mActivityThread.mInstrumentationAppDir;
434                    String instrumentationAppPackage =
435                            mActivityThread.mInstrumentationAppPackage;
436                    String instrumentedAppDir =
437                            mActivityThread.mInstrumentedAppDir;
438                    String[] instrumentationLibs = null;
439
440                    if (mAppDir.equals(instrumentationAppDir)
441                            || mAppDir.equals(instrumentedAppDir)) {
442                        zip = instrumentationAppDir + ":" + instrumentedAppDir;
443                        if (! instrumentedAppDir.equals(instrumentationAppDir)) {
444                            instrumentationLibs =
445                                getLibrariesFor(instrumentationAppPackage);
446                        }
447                    }
448
449                    if ((mSharedLibraries != null) ||
450                            (instrumentationLibs != null)) {
451                        zip =
452                            combineLibs(mSharedLibraries, instrumentationLibs)
453                            + ':' + zip;
454                    }
455
456                    /*
457                     * With all the combination done (if necessary, actually
458                     * create the class loader.
459                     */
460
461                    if (localLOGV) Log.v(TAG, "Class path: " + zip);
462
463                    mClassLoader =
464                        ApplicationLoaders.getDefault().getClassLoader(
465                            zip, mDataDir, mBaseClassLoader);
466                    initializeJavaContextClassLoader();
467                } else {
468                    if (mBaseClassLoader == null) {
469                        mClassLoader = ClassLoader.getSystemClassLoader();
470                    } else {
471                        mClassLoader = mBaseClassLoader;
472                    }
473                }
474                return mClassLoader;
475            }
476        }
477
478        /**
479         * Setup value for Thread.getContextClassLoader(). If the
480         * package will not run in in a VM with other packages, we set
481         * the Java context ClassLoader to the
482         * PackageInfo.getClassLoader value. However, if this VM can
483         * contain multiple packages, we intead set the Java context
484         * ClassLoader to a proxy that will warn about the use of Java
485         * context ClassLoaders and then fall through to use the
486         * system ClassLoader.
487         *
488         * <p> Note that this is similar to but not the same as the
489         * android.content.Context.getClassLoader(). While both
490         * context class loaders are typically set to the
491         * PathClassLoader used to load the package archive in the
492         * single application per VM case, a single Android process
493         * may contain several Contexts executing on one thread with
494         * their own logical ClassLoaders while the Java context
495         * ClassLoader is a thread local. This is why in the case when
496         * we have multiple packages per VM we do not set the Java
497         * context ClassLoader to an arbitrary but instead warn the
498         * user to set their own if we detect that they are using a
499         * Java library that expects it to be set.
500         */
501        private void initializeJavaContextClassLoader() {
502            IPackageManager pm = getPackageManager();
503            android.content.pm.PackageInfo pi;
504            try {
505                pi = pm.getPackageInfo(mPackageName, 0);
506            } catch (RemoteException e) {
507                throw new AssertionError(e);
508            }
509            /*
510             * Two possible indications that this package could be
511             * sharing its virtual machine with other packages:
512             *
513             * 1.) the sharedUserId attribute is set in the manifest,
514             *     indicating a request to share a VM with other
515             *     packages with the same sharedUserId.
516             *
517             * 2.) the application element of the manifest has an
518             *     attribute specifying a non-default process name,
519             *     indicating the desire to run in another packages VM.
520             */
521            boolean sharedUserIdSet = (pi.sharedUserId != null);
522            boolean processNameNotDefault =
523                (pi.applicationInfo != null &&
524                 !mPackageName.equals(pi.applicationInfo.processName));
525            boolean sharable = (sharedUserIdSet || processNameNotDefault);
526            ClassLoader contextClassLoader =
527                (sharable)
528                ? new WarningContextClassLoader()
529                : mClassLoader;
530            Thread.currentThread().setContextClassLoader(contextClassLoader);
531        }
532
533        private static class WarningContextClassLoader extends ClassLoader {
534
535            private static boolean warned = false;
536
537            private void warn(String methodName) {
538                if (warned) {
539                    return;
540                }
541                warned = true;
542                Thread.currentThread().setContextClassLoader(getParent());
543                Log.w(TAG, "ClassLoader." + methodName + ": " +
544                      "The class loader returned by " +
545                      "Thread.getContextClassLoader() may fail for processes " +
546                      "that host multiple applications. You should explicitly " +
547                      "specify a context class loader. For example: " +
548                      "Thread.setContextClassLoader(getClass().getClassLoader());");
549            }
550
551            @Override public URL getResource(String resName) {
552                warn("getResource");
553                return getParent().getResource(resName);
554            }
555
556            @Override public Enumeration<URL> getResources(String resName) throws IOException {
557                warn("getResources");
558                return getParent().getResources(resName);
559            }
560
561            @Override public InputStream getResourceAsStream(String resName) {
562                warn("getResourceAsStream");
563                return getParent().getResourceAsStream(resName);
564            }
565
566            @Override public Class<?> loadClass(String className) throws ClassNotFoundException {
567                warn("loadClass");
568                return getParent().loadClass(className);
569            }
570
571            @Override public void setClassAssertionStatus(String cname, boolean enable) {
572                warn("setClassAssertionStatus");
573                getParent().setClassAssertionStatus(cname, enable);
574            }
575
576            @Override public void setPackageAssertionStatus(String pname, boolean enable) {
577                warn("setPackageAssertionStatus");
578                getParent().setPackageAssertionStatus(pname, enable);
579            }
580
581            @Override public void setDefaultAssertionStatus(boolean enable) {
582                warn("setDefaultAssertionStatus");
583                getParent().setDefaultAssertionStatus(enable);
584            }
585
586            @Override public void clearAssertionStatus() {
587                warn("clearAssertionStatus");
588                getParent().clearAssertionStatus();
589            }
590        }
591
592        public String getAppDir() {
593            return mAppDir;
594        }
595
596        public String getResDir() {
597            return mResDir;
598        }
599
600        public String getDataDir() {
601            return mDataDir;
602        }
603
604        public File getDataDirFile() {
605            return mDataDirFile;
606        }
607
608        public AssetManager getAssets(ActivityThread mainThread) {
609            return getResources(mainThread).getAssets();
610        }
611
612        public Resources getResources(ActivityThread mainThread) {
613            if (mResources == null) {
614                mResources = mainThread.getTopLevelResources(mResDir, this);
615            }
616            return mResources;
617        }
618
619        public Application makeApplication(boolean forceDefaultAppClass,
620                Instrumentation instrumentation) {
621            if (mApplication != null) {
622                return mApplication;
623            }
624
625            Application app = null;
626
627            String appClass = mApplicationInfo.className;
628            if (forceDefaultAppClass || (appClass == null)) {
629                appClass = "android.app.Application";
630            }
631
632            try {
633                java.lang.ClassLoader cl = getClassLoader();
634                ContextImpl appContext = new ContextImpl();
635                appContext.init(this, null, mActivityThread);
636                app = mActivityThread.mInstrumentation.newApplication(
637                        cl, appClass, appContext);
638                appContext.setOuterContext(app);
639            } catch (Exception e) {
640                if (!mActivityThread.mInstrumentation.onException(app, e)) {
641                    throw new RuntimeException(
642                        "Unable to instantiate application " + appClass
643                        + ": " + e.toString(), e);
644                }
645            }
646            mActivityThread.mAllApplications.add(app);
647            mApplication = app;
648
649            if (instrumentation != null) {
650                try {
651                    instrumentation.callApplicationOnCreate(app);
652                } catch (Exception e) {
653                    if (!instrumentation.onException(app, e)) {
654                        throw new RuntimeException(
655                            "Unable to create application " + app.getClass().getName()
656                            + ": " + e.toString(), e);
657                    }
658                }
659            }
660
661            return app;
662        }
663
664        public void removeContextRegistrations(Context context,
665                String who, String what) {
666            HashMap<BroadcastReceiver, ReceiverDispatcher> rmap =
667                mReceivers.remove(context);
668            if (rmap != null) {
669                Iterator<ReceiverDispatcher> it = rmap.values().iterator();
670                while (it.hasNext()) {
671                    ReceiverDispatcher rd = it.next();
672                    IntentReceiverLeaked leak = new IntentReceiverLeaked(
673                            what + " " + who + " has leaked IntentReceiver "
674                            + rd.getIntentReceiver() + " that was " +
675                            "originally registered here. Are you missing a " +
676                            "call to unregisterReceiver()?");
677                    leak.setStackTrace(rd.getLocation().getStackTrace());
678                    Log.e(TAG, leak.getMessage(), leak);
679                    try {
680                        ActivityManagerNative.getDefault().unregisterReceiver(
681                                rd.getIIntentReceiver());
682                    } catch (RemoteException e) {
683                        // system crashed, nothing we can do
684                    }
685                }
686            }
687            mUnregisteredReceivers.remove(context);
688            //Log.i(TAG, "Receiver registrations: " + mReceivers);
689            HashMap<ServiceConnection, ServiceDispatcher> smap =
690                mServices.remove(context);
691            if (smap != null) {
692                Iterator<ServiceDispatcher> it = smap.values().iterator();
693                while (it.hasNext()) {
694                    ServiceDispatcher sd = it.next();
695                    ServiceConnectionLeaked leak = new ServiceConnectionLeaked(
696                            what + " " + who + " has leaked ServiceConnection "
697                            + sd.getServiceConnection() + " that was originally bound here");
698                    leak.setStackTrace(sd.getLocation().getStackTrace());
699                    Log.e(TAG, leak.getMessage(), leak);
700                    try {
701                        ActivityManagerNative.getDefault().unbindService(
702                                sd.getIServiceConnection());
703                    } catch (RemoteException e) {
704                        // system crashed, nothing we can do
705                    }
706                    sd.doForget();
707                }
708            }
709            mUnboundServices.remove(context);
710            //Log.i(TAG, "Service registrations: " + mServices);
711        }
712
713        public IIntentReceiver getReceiverDispatcher(BroadcastReceiver r,
714                Context context, Handler handler,
715                Instrumentation instrumentation, boolean registered) {
716            synchronized (mReceivers) {
717                ReceiverDispatcher rd = null;
718                HashMap<BroadcastReceiver, ReceiverDispatcher> map = null;
719                if (registered) {
720                    map = mReceivers.get(context);
721                    if (map != null) {
722                        rd = map.get(r);
723                    }
724                }
725                if (rd == null) {
726                    rd = new ReceiverDispatcher(r, context, handler,
727                            instrumentation, registered);
728                    if (registered) {
729                        if (map == null) {
730                            map = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
731                            mReceivers.put(context, map);
732                        }
733                        map.put(r, rd);
734                    }
735                } else {
736                    rd.validate(context, handler);
737                }
738                return rd.getIIntentReceiver();
739            }
740        }
741
742        public IIntentReceiver forgetReceiverDispatcher(Context context,
743                BroadcastReceiver r) {
744            synchronized (mReceivers) {
745                HashMap<BroadcastReceiver, ReceiverDispatcher> map = mReceivers.get(context);
746                ReceiverDispatcher rd = null;
747                if (map != null) {
748                    rd = map.get(r);
749                    if (rd != null) {
750                        map.remove(r);
751                        if (map.size() == 0) {
752                            mReceivers.remove(context);
753                        }
754                        if (r.getDebugUnregister()) {
755                            HashMap<BroadcastReceiver, ReceiverDispatcher> holder
756                                    = mUnregisteredReceivers.get(context);
757                            if (holder == null) {
758                                holder = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
759                                mUnregisteredReceivers.put(context, holder);
760                            }
761                            RuntimeException ex = new IllegalArgumentException(
762                                    "Originally unregistered here:");
763                            ex.fillInStackTrace();
764                            rd.setUnregisterLocation(ex);
765                            holder.put(r, rd);
766                        }
767                        return rd.getIIntentReceiver();
768                    }
769                }
770                HashMap<BroadcastReceiver, ReceiverDispatcher> holder
771                        = mUnregisteredReceivers.get(context);
772                if (holder != null) {
773                    rd = holder.get(r);
774                    if (rd != null) {
775                        RuntimeException ex = rd.getUnregisterLocation();
776                        throw new IllegalArgumentException(
777                                "Unregistering Receiver " + r
778                                + " that was already unregistered", ex);
779                    }
780                }
781                if (context == null) {
782                    throw new IllegalStateException("Unbinding Receiver " + r
783                            + " from Context that is no longer in use: " + context);
784                } else {
785                    throw new IllegalArgumentException("Receiver not registered: " + r);
786                }
787
788            }
789        }
790
791        static final class ReceiverDispatcher {
792
793            final static class InnerReceiver extends IIntentReceiver.Stub {
794                final WeakReference<ReceiverDispatcher> mDispatcher;
795                final ReceiverDispatcher mStrongRef;
796
797                InnerReceiver(ReceiverDispatcher rd, boolean strong) {
798                    mDispatcher = new WeakReference<ReceiverDispatcher>(rd);
799                    mStrongRef = strong ? rd : null;
800                }
801                public void performReceive(Intent intent, int resultCode,
802                        String data, Bundle extras, boolean ordered, boolean sticky) {
803                    ReceiverDispatcher rd = mDispatcher.get();
804                    if (DEBUG_BROADCAST) {
805                        int seq = intent.getIntExtra("seq", -1);
806                        Log.i(TAG, "Receiving broadcast " + intent.getAction() + " seq=" + seq
807                                + " to " + rd);
808                    }
809                    if (rd != null) {
810                        rd.performReceive(intent, resultCode, data, extras,
811                                ordered, sticky);
812                    } else {
813                        // The activity manager dispatched a broadcast to a registered
814                        // receiver in this process, but before it could be delivered the
815                        // receiver was unregistered.  Acknowledge the broadcast on its
816                        // behalf so that the system's broadcast sequence can continue.
817                        if (DEBUG_BROADCAST) {
818                            Log.i(TAG, "Broadcast to unregistered receiver");
819                        }
820                        IActivityManager mgr = ActivityManagerNative.getDefault();
821                        try {
822                            mgr.finishReceiver(this, resultCode, data, extras, false);
823                        } catch (RemoteException e) {
824                            Log.w(TAG, "Couldn't finish broadcast to unregistered receiver");
825                        }
826                    }
827                }
828            }
829
830            final IIntentReceiver.Stub mIIntentReceiver;
831            final BroadcastReceiver mReceiver;
832            final Context mContext;
833            final Handler mActivityThread;
834            final Instrumentation mInstrumentation;
835            final boolean mRegistered;
836            final IntentReceiverLeaked mLocation;
837            RuntimeException mUnregisterLocation;
838
839            final class Args implements Runnable {
840                private Intent mCurIntent;
841                private int mCurCode;
842                private String mCurData;
843                private Bundle mCurMap;
844                private boolean mCurOrdered;
845                private boolean mCurSticky;
846
847                public void run() {
848                    BroadcastReceiver receiver = mReceiver;
849                    if (DEBUG_BROADCAST) {
850                        int seq = mCurIntent.getIntExtra("seq", -1);
851                        Log.i(TAG, "Dispatching broadcast " + mCurIntent.getAction()
852                                + " seq=" + seq + " to " + mReceiver);
853                    }
854                    if (receiver == null) {
855                        return;
856                    }
857
858                    IActivityManager mgr = ActivityManagerNative.getDefault();
859                    Intent intent = mCurIntent;
860                    mCurIntent = null;
861                    try {
862                        ClassLoader cl =  mReceiver.getClass().getClassLoader();
863                        intent.setExtrasClassLoader(cl);
864                        if (mCurMap != null) {
865                            mCurMap.setClassLoader(cl);
866                        }
867                        receiver.setOrderedHint(true);
868                        receiver.setResult(mCurCode, mCurData, mCurMap);
869                        receiver.clearAbortBroadcast();
870                        receiver.setOrderedHint(mCurOrdered);
871                        receiver.setInitialStickyHint(mCurSticky);
872                        receiver.onReceive(mContext, intent);
873                    } catch (Exception e) {
874                        if (mRegistered && mCurOrdered) {
875                            try {
876                                mgr.finishReceiver(mIIntentReceiver,
877                                        mCurCode, mCurData, mCurMap, false);
878                            } catch (RemoteException ex) {
879                            }
880                        }
881                        if (mInstrumentation == null ||
882                                !mInstrumentation.onException(mReceiver, e)) {
883                            throw new RuntimeException(
884                                "Error receiving broadcast " + intent
885                                + " in " + mReceiver, e);
886                        }
887                    }
888                    if (mRegistered && mCurOrdered) {
889                        try {
890                            mgr.finishReceiver(mIIntentReceiver,
891                                    receiver.getResultCode(),
892                                    receiver.getResultData(),
893                                    receiver.getResultExtras(false),
894                                    receiver.getAbortBroadcast());
895                        } catch (RemoteException ex) {
896                        }
897                    }
898                }
899            }
900
901            ReceiverDispatcher(BroadcastReceiver receiver, Context context,
902                    Handler activityThread, Instrumentation instrumentation,
903                    boolean registered) {
904                if (activityThread == null) {
905                    throw new NullPointerException("Handler must not be null");
906                }
907
908                mIIntentReceiver = new InnerReceiver(this, !registered);
909                mReceiver = receiver;
910                mContext = context;
911                mActivityThread = activityThread;
912                mInstrumentation = instrumentation;
913                mRegistered = registered;
914                mLocation = new IntentReceiverLeaked(null);
915                mLocation.fillInStackTrace();
916            }
917
918            void validate(Context context, Handler activityThread) {
919                if (mContext != context) {
920                    throw new IllegalStateException(
921                        "Receiver " + mReceiver +
922                        " registered with differing Context (was " +
923                        mContext + " now " + context + ")");
924                }
925                if (mActivityThread != activityThread) {
926                    throw new IllegalStateException(
927                        "Receiver " + mReceiver +
928                        " registered with differing handler (was " +
929                        mActivityThread + " now " + activityThread + ")");
930                }
931            }
932
933            IntentReceiverLeaked getLocation() {
934                return mLocation;
935            }
936
937            BroadcastReceiver getIntentReceiver() {
938                return mReceiver;
939            }
940
941            IIntentReceiver getIIntentReceiver() {
942                return mIIntentReceiver;
943            }
944
945            void setUnregisterLocation(RuntimeException ex) {
946                mUnregisterLocation = ex;
947            }
948
949            RuntimeException getUnregisterLocation() {
950                return mUnregisterLocation;
951            }
952
953            public void performReceive(Intent intent, int resultCode,
954                    String data, Bundle extras, boolean ordered, boolean sticky) {
955                if (DEBUG_BROADCAST) {
956                    int seq = intent.getIntExtra("seq", -1);
957                    Log.i(TAG, "Enqueueing broadcast " + intent.getAction() + " seq=" + seq
958                            + " to " + mReceiver);
959                }
960                Args args = new Args();
961                args.mCurIntent = intent;
962                args.mCurCode = resultCode;
963                args.mCurData = data;
964                args.mCurMap = extras;
965                args.mCurOrdered = ordered;
966                args.mCurSticky = sticky;
967                if (!mActivityThread.post(args)) {
968                    if (mRegistered) {
969                        IActivityManager mgr = ActivityManagerNative.getDefault();
970                        try {
971                            mgr.finishReceiver(mIIntentReceiver, args.mCurCode,
972                                    args.mCurData, args.mCurMap, false);
973                        } catch (RemoteException ex) {
974                        }
975                    }
976                }
977            }
978
979        }
980
981        public final IServiceConnection getServiceDispatcher(ServiceConnection c,
982                Context context, Handler handler, int flags) {
983            synchronized (mServices) {
984                ServiceDispatcher sd = null;
985                HashMap<ServiceConnection, ServiceDispatcher> map = mServices.get(context);
986                if (map != null) {
987                    sd = map.get(c);
988                }
989                if (sd == null) {
990                    sd = new ServiceDispatcher(c, context, handler, flags);
991                    if (map == null) {
992                        map = new HashMap<ServiceConnection, ServiceDispatcher>();
993                        mServices.put(context, map);
994                    }
995                    map.put(c, sd);
996                } else {
997                    sd.validate(context, handler);
998                }
999                return sd.getIServiceConnection();
1000            }
1001        }
1002
1003        public final IServiceConnection forgetServiceDispatcher(Context context,
1004                ServiceConnection c) {
1005            synchronized (mServices) {
1006                HashMap<ServiceConnection, ServiceDispatcher> map
1007                        = mServices.get(context);
1008                ServiceDispatcher sd = null;
1009                if (map != null) {
1010                    sd = map.get(c);
1011                    if (sd != null) {
1012                        map.remove(c);
1013                        sd.doForget();
1014                        if (map.size() == 0) {
1015                            mServices.remove(context);
1016                        }
1017                        if ((sd.getFlags()&Context.BIND_DEBUG_UNBIND) != 0) {
1018                            HashMap<ServiceConnection, ServiceDispatcher> holder
1019                                    = mUnboundServices.get(context);
1020                            if (holder == null) {
1021                                holder = new HashMap<ServiceConnection, ServiceDispatcher>();
1022                                mUnboundServices.put(context, holder);
1023                            }
1024                            RuntimeException ex = new IllegalArgumentException(
1025                                    "Originally unbound here:");
1026                            ex.fillInStackTrace();
1027                            sd.setUnbindLocation(ex);
1028                            holder.put(c, sd);
1029                        }
1030                        return sd.getIServiceConnection();
1031                    }
1032                }
1033                HashMap<ServiceConnection, ServiceDispatcher> holder
1034                        = mUnboundServices.get(context);
1035                if (holder != null) {
1036                    sd = holder.get(c);
1037                    if (sd != null) {
1038                        RuntimeException ex = sd.getUnbindLocation();
1039                        throw new IllegalArgumentException(
1040                                "Unbinding Service " + c
1041                                + " that was already unbound", ex);
1042                    }
1043                }
1044                if (context == null) {
1045                    throw new IllegalStateException("Unbinding Service " + c
1046                            + " from Context that is no longer in use: " + context);
1047                } else {
1048                    throw new IllegalArgumentException("Service not registered: " + c);
1049                }
1050            }
1051        }
1052
1053        static final class ServiceDispatcher {
1054            private final InnerConnection mIServiceConnection;
1055            private final ServiceConnection mConnection;
1056            private final Context mContext;
1057            private final Handler mActivityThread;
1058            private final ServiceConnectionLeaked mLocation;
1059            private final int mFlags;
1060
1061            private RuntimeException mUnbindLocation;
1062
1063            private boolean mDied;
1064
1065            private static class ConnectionInfo {
1066                IBinder binder;
1067                IBinder.DeathRecipient deathMonitor;
1068            }
1069
1070            private static class InnerConnection extends IServiceConnection.Stub {
1071                final WeakReference<ServiceDispatcher> mDispatcher;
1072
1073                InnerConnection(ServiceDispatcher sd) {
1074                    mDispatcher = new WeakReference<ServiceDispatcher>(sd);
1075                }
1076
1077                public void connected(ComponentName name, IBinder service) throws RemoteException {
1078                    ServiceDispatcher sd = mDispatcher.get();
1079                    if (sd != null) {
1080                        sd.connected(name, service);
1081                    }
1082                }
1083            }
1084
1085            private final HashMap<ComponentName, ConnectionInfo> mActiveConnections
1086                = new HashMap<ComponentName, ConnectionInfo>();
1087
1088            ServiceDispatcher(ServiceConnection conn,
1089                    Context context, Handler activityThread, int flags) {
1090                mIServiceConnection = new InnerConnection(this);
1091                mConnection = conn;
1092                mContext = context;
1093                mActivityThread = activityThread;
1094                mLocation = new ServiceConnectionLeaked(null);
1095                mLocation.fillInStackTrace();
1096                mFlags = flags;
1097            }
1098
1099            void validate(Context context, Handler activityThread) {
1100                if (mContext != context) {
1101                    throw new RuntimeException(
1102                        "ServiceConnection " + mConnection +
1103                        " registered with differing Context (was " +
1104                        mContext + " now " + context + ")");
1105                }
1106                if (mActivityThread != activityThread) {
1107                    throw new RuntimeException(
1108                        "ServiceConnection " + mConnection +
1109                        " registered with differing handler (was " +
1110                        mActivityThread + " now " + activityThread + ")");
1111                }
1112            }
1113
1114            void doForget() {
1115                synchronized(this) {
1116                    Iterator<ConnectionInfo> it = mActiveConnections.values().iterator();
1117                    while (it.hasNext()) {
1118                        ConnectionInfo ci = it.next();
1119                        ci.binder.unlinkToDeath(ci.deathMonitor, 0);
1120                    }
1121                    mActiveConnections.clear();
1122                }
1123            }
1124
1125            ServiceConnectionLeaked getLocation() {
1126                return mLocation;
1127            }
1128
1129            ServiceConnection getServiceConnection() {
1130                return mConnection;
1131            }
1132
1133            IServiceConnection getIServiceConnection() {
1134                return mIServiceConnection;
1135            }
1136
1137            int getFlags() {
1138                return mFlags;
1139            }
1140
1141            void setUnbindLocation(RuntimeException ex) {
1142                mUnbindLocation = ex;
1143            }
1144
1145            RuntimeException getUnbindLocation() {
1146                return mUnbindLocation;
1147            }
1148
1149            public void connected(ComponentName name, IBinder service) {
1150                if (mActivityThread != null) {
1151                    mActivityThread.post(new RunConnection(name, service, 0));
1152                } else {
1153                    doConnected(name, service);
1154                }
1155            }
1156
1157            public void death(ComponentName name, IBinder service) {
1158                ConnectionInfo old;
1159
1160                synchronized (this) {
1161                    mDied = true;
1162                    old = mActiveConnections.remove(name);
1163                    if (old == null || old.binder != service) {
1164                        // Death for someone different than who we last
1165                        // reported...  just ignore it.
1166                        return;
1167                    }
1168                    old.binder.unlinkToDeath(old.deathMonitor, 0);
1169                }
1170
1171                if (mActivityThread != null) {
1172                    mActivityThread.post(new RunConnection(name, service, 1));
1173                } else {
1174                    doDeath(name, service);
1175                }
1176            }
1177
1178            public void doConnected(ComponentName name, IBinder service) {
1179                ConnectionInfo old;
1180                ConnectionInfo info;
1181
1182                synchronized (this) {
1183                    old = mActiveConnections.get(name);
1184                    if (old != null && old.binder == service) {
1185                        // Huh, already have this one.  Oh well!
1186                        return;
1187                    }
1188
1189                    if (service != null) {
1190                        // A new service is being connected... set it all up.
1191                        mDied = false;
1192                        info = new ConnectionInfo();
1193                        info.binder = service;
1194                        info.deathMonitor = new DeathMonitor(name, service);
1195                        try {
1196                            service.linkToDeath(info.deathMonitor, 0);
1197                            mActiveConnections.put(name, info);
1198                        } catch (RemoteException e) {
1199                            // This service was dead before we got it...  just
1200                            // don't do anything with it.
1201                            mActiveConnections.remove(name);
1202                            return;
1203                        }
1204
1205                    } else {
1206                        // The named service is being disconnected... clean up.
1207                        mActiveConnections.remove(name);
1208                    }
1209
1210                    if (old != null) {
1211                        old.binder.unlinkToDeath(old.deathMonitor, 0);
1212                    }
1213                }
1214
1215                // If there was an old service, it is not disconnected.
1216                if (old != null) {
1217                    mConnection.onServiceDisconnected(name);
1218                }
1219                // If there is a new service, it is now connected.
1220                if (service != null) {
1221                    mConnection.onServiceConnected(name, service);
1222                }
1223            }
1224
1225            public void doDeath(ComponentName name, IBinder service) {
1226                mConnection.onServiceDisconnected(name);
1227            }
1228
1229            private final class RunConnection implements Runnable {
1230                RunConnection(ComponentName name, IBinder service, int command) {
1231                    mName = name;
1232                    mService = service;
1233                    mCommand = command;
1234                }
1235
1236                public void run() {
1237                    if (mCommand == 0) {
1238                        doConnected(mName, mService);
1239                    } else if (mCommand == 1) {
1240                        doDeath(mName, mService);
1241                    }
1242                }
1243
1244                final ComponentName mName;
1245                final IBinder mService;
1246                final int mCommand;
1247            }
1248
1249            private final class DeathMonitor implements IBinder.DeathRecipient
1250            {
1251                DeathMonitor(ComponentName name, IBinder service) {
1252                    mName = name;
1253                    mService = service;
1254                }
1255
1256                public void binderDied() {
1257                    death(mName, mService);
1258                }
1259
1260                final ComponentName mName;
1261                final IBinder mService;
1262            }
1263        }
1264    }
1265
1266    private static ContextImpl mSystemContext = null;
1267
1268    private static final class ActivityRecord {
1269        IBinder token;
1270        int ident;
1271        Intent intent;
1272        Bundle state;
1273        Activity activity;
1274        Window window;
1275        Activity parent;
1276        String embeddedID;
1277        Object lastNonConfigurationInstance;
1278        HashMap<String,Object> lastNonConfigurationChildInstances;
1279        boolean paused;
1280        boolean stopped;
1281        boolean hideForNow;
1282        Configuration newConfig;
1283        Configuration createdConfig;
1284        ActivityRecord nextIdle;
1285
1286        ActivityInfo activityInfo;
1287        PackageInfo packageInfo;
1288
1289        List<ResultInfo> pendingResults;
1290        List<Intent> pendingIntents;
1291
1292        boolean startsNotResumed;
1293        boolean isForward;
1294
1295        ActivityRecord() {
1296            parent = null;
1297            embeddedID = null;
1298            paused = false;
1299            stopped = false;
1300            hideForNow = false;
1301            nextIdle = null;
1302        }
1303
1304        public String toString() {
1305            ComponentName componentName = intent.getComponent();
1306            return "ActivityRecord{"
1307                + Integer.toHexString(System.identityHashCode(this))
1308                + " token=" + token + " " + (componentName == null
1309                        ? "no component name" : componentName.toShortString())
1310                + "}";
1311        }
1312    }
1313
1314    private final class ProviderRecord implements IBinder.DeathRecipient {
1315        final String mName;
1316        final IContentProvider mProvider;
1317        final ContentProvider mLocalProvider;
1318
1319        ProviderRecord(String name, IContentProvider provider,
1320                ContentProvider localProvider) {
1321            mName = name;
1322            mProvider = provider;
1323            mLocalProvider = localProvider;
1324        }
1325
1326        public void binderDied() {
1327            removeDeadProvider(mName, mProvider);
1328        }
1329    }
1330
1331    private static final class NewIntentData {
1332        List<Intent> intents;
1333        IBinder token;
1334        public String toString() {
1335            return "NewIntentData{intents=" + intents + " token=" + token + "}";
1336        }
1337    }
1338
1339    private static final class ReceiverData {
1340        Intent intent;
1341        ActivityInfo info;
1342        int resultCode;
1343        String resultData;
1344        Bundle resultExtras;
1345        boolean sync;
1346        boolean resultAbort;
1347        public String toString() {
1348            return "ReceiverData{intent=" + intent + " packageName=" +
1349            info.packageName + " resultCode=" + resultCode
1350            + " resultData=" + resultData + " resultExtras=" + resultExtras + "}";
1351        }
1352    }
1353
1354    private static final class CreateBackupAgentData {
1355        ApplicationInfo appInfo;
1356        int backupMode;
1357        public String toString() {
1358            return "CreateBackupAgentData{appInfo=" + appInfo
1359                    + " backupAgent=" + appInfo.backupAgentName
1360                    + " mode=" + backupMode + "}";
1361        }
1362    }
1363
1364    private static final class CreateServiceData {
1365        IBinder token;
1366        ServiceInfo info;
1367        Intent intent;
1368        public String toString() {
1369            return "CreateServiceData{token=" + token + " className="
1370            + info.name + " packageName=" + info.packageName
1371            + " intent=" + intent + "}";
1372        }
1373    }
1374
1375    private static final class BindServiceData {
1376        IBinder token;
1377        Intent intent;
1378        boolean rebind;
1379        public String toString() {
1380            return "BindServiceData{token=" + token + " intent=" + intent + "}";
1381        }
1382    }
1383
1384    private static final class ServiceArgsData {
1385        IBinder token;
1386        int startId;
1387        int flags;
1388        Intent args;
1389        public String toString() {
1390            return "ServiceArgsData{token=" + token + " startId=" + startId
1391            + " args=" + args + "}";
1392        }
1393    }
1394
1395    private static final class AppBindData {
1396        PackageInfo info;
1397        String processName;
1398        ApplicationInfo appInfo;
1399        List<ProviderInfo> providers;
1400        ComponentName instrumentationName;
1401        String profileFile;
1402        Bundle instrumentationArgs;
1403        IInstrumentationWatcher instrumentationWatcher;
1404        int debugMode;
1405        boolean restrictedBackupMode;
1406        Configuration config;
1407        boolean handlingProfiling;
1408        public String toString() {
1409            return "AppBindData{appInfo=" + appInfo + "}";
1410        }
1411    }
1412
1413    private static final class DumpServiceInfo {
1414        FileDescriptor fd;
1415        IBinder service;
1416        String[] args;
1417        boolean dumped;
1418    }
1419
1420    private static final class ResultData {
1421        IBinder token;
1422        List<ResultInfo> results;
1423        public String toString() {
1424            return "ResultData{token=" + token + " results" + results + "}";
1425        }
1426    }
1427
1428    private static final class ContextCleanupInfo {
1429        ContextImpl context;
1430        String what;
1431        String who;
1432    }
1433
1434    private static final class ProfilerControlData {
1435        String path;
1436        ParcelFileDescriptor fd;
1437    }
1438
1439    private final class ApplicationThread extends ApplicationThreadNative {
1440        private static final String HEAP_COLUMN = "%17s %8s %8s %8s %8s";
1441        private static final String ONE_COUNT_COLUMN = "%17s %8d";
1442        private static final String TWO_COUNT_COLUMNS = "%17s %8d %17s %8d";
1443
1444        // Formatting for checkin service - update version if row format changes
1445        private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1;
1446
1447        public final void schedulePauseActivity(IBinder token, boolean finished,
1448                boolean userLeaving, int configChanges) {
1449            queueOrSendMessage(
1450                    finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY,
1451                    token,
1452                    (userLeaving ? 1 : 0),
1453                    configChanges);
1454        }
1455
1456        public final void scheduleStopActivity(IBinder token, boolean showWindow,
1457                int configChanges) {
1458           queueOrSendMessage(
1459                showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE,
1460                token, 0, configChanges);
1461        }
1462
1463        public final void scheduleWindowVisibility(IBinder token, boolean showWindow) {
1464            queueOrSendMessage(
1465                showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW,
1466                token);
1467        }
1468
1469        public final void scheduleResumeActivity(IBinder token, boolean isForward) {
1470            queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0);
1471        }
1472
1473        public final void scheduleSendResult(IBinder token, List<ResultInfo> results) {
1474            ResultData res = new ResultData();
1475            res.token = token;
1476            res.results = results;
1477            queueOrSendMessage(H.SEND_RESULT, res);
1478        }
1479
1480        // we use token to identify this activity without having to send the
1481        // activity itself back to the activity manager. (matters more with ipc)
1482        public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident,
1483                ActivityInfo info, Bundle state, List<ResultInfo> pendingResults,
1484                List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) {
1485            ActivityRecord r = new ActivityRecord();
1486
1487            r.token = token;
1488            r.ident = ident;
1489            r.intent = intent;
1490            r.activityInfo = info;
1491            r.state = state;
1492
1493            r.pendingResults = pendingResults;
1494            r.pendingIntents = pendingNewIntents;
1495
1496            r.startsNotResumed = notResumed;
1497            r.isForward = isForward;
1498
1499            queueOrSendMessage(H.LAUNCH_ACTIVITY, r);
1500        }
1501
1502        public final void scheduleRelaunchActivity(IBinder token,
1503                List<ResultInfo> pendingResults, List<Intent> pendingNewIntents,
1504                int configChanges, boolean notResumed, Configuration config) {
1505            ActivityRecord r = new ActivityRecord();
1506
1507            r.token = token;
1508            r.pendingResults = pendingResults;
1509            r.pendingIntents = pendingNewIntents;
1510            r.startsNotResumed = notResumed;
1511            r.createdConfig = config;
1512
1513            synchronized (mPackages) {
1514                mRelaunchingActivities.add(r);
1515            }
1516
1517            queueOrSendMessage(H.RELAUNCH_ACTIVITY, r, configChanges);
1518        }
1519
1520        public final void scheduleNewIntent(List<Intent> intents, IBinder token) {
1521            NewIntentData data = new NewIntentData();
1522            data.intents = intents;
1523            data.token = token;
1524
1525            queueOrSendMessage(H.NEW_INTENT, data);
1526        }
1527
1528        public final void scheduleDestroyActivity(IBinder token, boolean finishing,
1529                int configChanges) {
1530            queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0,
1531                    configChanges);
1532        }
1533
1534        public final void scheduleReceiver(Intent intent, ActivityInfo info,
1535                int resultCode, String data, Bundle extras, boolean sync) {
1536            ReceiverData r = new ReceiverData();
1537
1538            r.intent = intent;
1539            r.info = info;
1540            r.resultCode = resultCode;
1541            r.resultData = data;
1542            r.resultExtras = extras;
1543            r.sync = sync;
1544
1545            queueOrSendMessage(H.RECEIVER, r);
1546        }
1547
1548        public final void scheduleCreateBackupAgent(ApplicationInfo app, int backupMode) {
1549            CreateBackupAgentData d = new CreateBackupAgentData();
1550            d.appInfo = app;
1551            d.backupMode = backupMode;
1552
1553            queueOrSendMessage(H.CREATE_BACKUP_AGENT, d);
1554        }
1555
1556        public final void scheduleDestroyBackupAgent(ApplicationInfo app) {
1557            CreateBackupAgentData d = new CreateBackupAgentData();
1558            d.appInfo = app;
1559
1560            queueOrSendMessage(H.DESTROY_BACKUP_AGENT, d);
1561        }
1562
1563        public final void scheduleCreateService(IBinder token,
1564                ServiceInfo info) {
1565            CreateServiceData s = new CreateServiceData();
1566            s.token = token;
1567            s.info = info;
1568
1569            queueOrSendMessage(H.CREATE_SERVICE, s);
1570        }
1571
1572        public final void scheduleBindService(IBinder token, Intent intent,
1573                boolean rebind) {
1574            BindServiceData s = new BindServiceData();
1575            s.token = token;
1576            s.intent = intent;
1577            s.rebind = rebind;
1578
1579            queueOrSendMessage(H.BIND_SERVICE, s);
1580        }
1581
1582        public final void scheduleUnbindService(IBinder token, Intent intent) {
1583            BindServiceData s = new BindServiceData();
1584            s.token = token;
1585            s.intent = intent;
1586
1587            queueOrSendMessage(H.UNBIND_SERVICE, s);
1588        }
1589
1590        public final void scheduleServiceArgs(IBinder token, int startId,
1591            int flags ,Intent args) {
1592            ServiceArgsData s = new ServiceArgsData();
1593            s.token = token;
1594            s.startId = startId;
1595            s.flags = flags;
1596            s.args = args;
1597
1598            queueOrSendMessage(H.SERVICE_ARGS, s);
1599        }
1600
1601        public final void scheduleStopService(IBinder token) {
1602            queueOrSendMessage(H.STOP_SERVICE, token);
1603        }
1604
1605        public final void bindApplication(String processName,
1606                ApplicationInfo appInfo, List<ProviderInfo> providers,
1607                ComponentName instrumentationName, String profileFile,
1608                Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher,
1609                int debugMode, boolean isRestrictedBackupMode, Configuration config,
1610                Map<String, IBinder> services) {
1611
1612            if (services != null) {
1613                // Setup the service cache in the ServiceManager
1614                ServiceManager.initServiceCache(services);
1615            }
1616
1617            AppBindData data = new AppBindData();
1618            data.processName = processName;
1619            data.appInfo = appInfo;
1620            data.providers = providers;
1621            data.instrumentationName = instrumentationName;
1622            data.profileFile = profileFile;
1623            data.instrumentationArgs = instrumentationArgs;
1624            data.instrumentationWatcher = instrumentationWatcher;
1625            data.debugMode = debugMode;
1626            data.restrictedBackupMode = isRestrictedBackupMode;
1627            data.config = config;
1628            queueOrSendMessage(H.BIND_APPLICATION, data);
1629        }
1630
1631        public final void scheduleExit() {
1632            queueOrSendMessage(H.EXIT_APPLICATION, null);
1633        }
1634
1635        public final void scheduleSuicide() {
1636            queueOrSendMessage(H.SUICIDE, null);
1637        }
1638
1639        public void requestThumbnail(IBinder token) {
1640            queueOrSendMessage(H.REQUEST_THUMBNAIL, token);
1641        }
1642
1643        public void scheduleConfigurationChanged(Configuration config) {
1644            synchronized (mPackages) {
1645                if (mPendingConfiguration == null ||
1646                        mPendingConfiguration.isOtherSeqNewer(config)) {
1647                    mPendingConfiguration = config;
1648                }
1649            }
1650            queueOrSendMessage(H.CONFIGURATION_CHANGED, config);
1651        }
1652
1653        public void updateTimeZone() {
1654            TimeZone.setDefault(null);
1655        }
1656
1657        public void processInBackground() {
1658            mH.removeMessages(H.GC_WHEN_IDLE);
1659            mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));
1660        }
1661
1662        public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) {
1663            DumpServiceInfo data = new DumpServiceInfo();
1664            data.fd = fd;
1665            data.service = servicetoken;
1666            data.args = args;
1667            data.dumped = false;
1668            queueOrSendMessage(H.DUMP_SERVICE, data);
1669            synchronized (data) {
1670                while (!data.dumped) {
1671                    try {
1672                        data.wait();
1673                    } catch (InterruptedException e) {
1674                        // no need to do anything here, we will keep waiting until
1675                        // dumped is set
1676                    }
1677                }
1678            }
1679        }
1680
1681        // This function exists to make sure all receiver dispatching is
1682        // correctly ordered, since these are one-way calls and the binder driver
1683        // applies transaction ordering per object for such calls.
1684        public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent,
1685                int resultCode, String dataStr, Bundle extras, boolean ordered,
1686                boolean sticky) throws RemoteException {
1687            receiver.performReceive(intent, resultCode, dataStr, extras, ordered, sticky);
1688        }
1689
1690        public void scheduleLowMemory() {
1691            queueOrSendMessage(H.LOW_MEMORY, null);
1692        }
1693
1694        public void scheduleActivityConfigurationChanged(IBinder token) {
1695            queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token);
1696        }
1697
1698        public void requestPss() {
1699            try {
1700                ActivityManagerNative.getDefault().reportPss(this,
1701                        (int)Process.getPss(Process.myPid()));
1702            } catch (RemoteException e) {
1703            }
1704        }
1705
1706        public void profilerControl(boolean start, String path, ParcelFileDescriptor fd) {
1707            ProfilerControlData pcd = new ProfilerControlData();
1708            pcd.path = path;
1709            pcd.fd = fd;
1710            queueOrSendMessage(H.PROFILER_CONTROL, pcd, start ? 1 : 0);
1711        }
1712
1713        public void setSchedulingGroup(int group) {
1714            // Note: do this immediately, since going into the foreground
1715            // should happen regardless of what pending work we have to do
1716            // and the activity manager will wait for us to report back that
1717            // we are done before sending us to the background.
1718            try {
1719                Process.setProcessGroup(Process.myPid(), group);
1720            } catch (Exception e) {
1721                Log.w(TAG, "Failed setting process group to " + group, e);
1722            }
1723        }
1724
1725        public void getMemoryInfo(Debug.MemoryInfo outInfo) {
1726            Debug.getMemoryInfo(outInfo);
1727        }
1728
1729        @Override
1730        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
1731            long nativeMax = Debug.getNativeHeapSize() / 1024;
1732            long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
1733            long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
1734
1735            Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
1736            Debug.getMemoryInfo(memInfo);
1737
1738            final int nativeShared = memInfo.nativeSharedDirty;
1739            final int dalvikShared = memInfo.dalvikSharedDirty;
1740            final int otherShared = memInfo.otherSharedDirty;
1741
1742            final int nativePrivate = memInfo.nativePrivateDirty;
1743            final int dalvikPrivate = memInfo.dalvikPrivateDirty;
1744            final int otherPrivate = memInfo.otherPrivateDirty;
1745
1746            Runtime runtime = Runtime.getRuntime();
1747
1748            long dalvikMax = runtime.totalMemory() / 1024;
1749            long dalvikFree = runtime.freeMemory() / 1024;
1750            long dalvikAllocated = dalvikMax - dalvikFree;
1751            long viewInstanceCount = ViewDebug.getViewInstanceCount();
1752            long viewRootInstanceCount = ViewDebug.getViewRootInstanceCount();
1753            long appContextInstanceCount = ContextImpl.getInstanceCount();
1754            long activityInstanceCount = Activity.getInstanceCount();
1755            int globalAssetCount = AssetManager.getGlobalAssetCount();
1756            int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
1757            int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
1758            int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
1759            int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
1760            int openSslSocketCount = OpenSSLSocketImpl.getInstanceCount();
1761            long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024;
1762            SQLiteDebug.PagerStats stats = new SQLiteDebug.PagerStats();
1763            SQLiteDebug.getPagerStats(stats);
1764
1765            // Check to see if we were called by checkin server. If so, print terse format.
1766            boolean doCheckinFormat = false;
1767            if (args != null) {
1768                for (String arg : args) {
1769                    if ("-c".equals(arg)) doCheckinFormat = true;
1770                }
1771            }
1772
1773            // For checkin, we print one long comma-separated list of values
1774            if (doCheckinFormat) {
1775                // NOTE: if you change anything significant below, also consider changing
1776                // ACTIVITY_THREAD_CHECKIN_VERSION.
1777                String processName = (mBoundApplication != null)
1778                        ? mBoundApplication.processName : "unknown";
1779
1780                // Header
1781                pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(',');
1782                pw.print(Process.myPid()); pw.print(',');
1783                pw.print(processName); pw.print(',');
1784
1785                // Heap info - max
1786                pw.print(nativeMax); pw.print(',');
1787                pw.print(dalvikMax); pw.print(',');
1788                pw.print("N/A,");
1789                pw.print(nativeMax + dalvikMax); pw.print(',');
1790
1791                // Heap info - allocated
1792                pw.print(nativeAllocated); pw.print(',');
1793                pw.print(dalvikAllocated); pw.print(',');
1794                pw.print("N/A,");
1795                pw.print(nativeAllocated + dalvikAllocated); pw.print(',');
1796
1797                // Heap info - free
1798                pw.print(nativeFree); pw.print(',');
1799                pw.print(dalvikFree); pw.print(',');
1800                pw.print("N/A,");
1801                pw.print(nativeFree + dalvikFree); pw.print(',');
1802
1803                // Heap info - proportional set size
1804                pw.print(memInfo.nativePss); pw.print(',');
1805                pw.print(memInfo.dalvikPss); pw.print(',');
1806                pw.print(memInfo.otherPss); pw.print(',');
1807                pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(',');
1808
1809                // Heap info - shared
1810                pw.print(nativeShared); pw.print(',');
1811                pw.print(dalvikShared); pw.print(',');
1812                pw.print(otherShared); pw.print(',');
1813                pw.print(nativeShared + dalvikShared + otherShared); pw.print(',');
1814
1815                // Heap info - private
1816                pw.print(nativePrivate); pw.print(',');
1817                pw.print(dalvikPrivate); pw.print(',');
1818                pw.print(otherPrivate); pw.print(',');
1819                pw.print(nativePrivate + dalvikPrivate + otherPrivate); pw.print(',');
1820
1821                // Object counts
1822                pw.print(viewInstanceCount); pw.print(',');
1823                pw.print(viewRootInstanceCount); pw.print(',');
1824                pw.print(appContextInstanceCount); pw.print(',');
1825                pw.print(activityInstanceCount); pw.print(',');
1826
1827                pw.print(globalAssetCount); pw.print(',');
1828                pw.print(globalAssetManagerCount); pw.print(',');
1829                pw.print(binderLocalObjectCount); pw.print(',');
1830                pw.print(binderProxyObjectCount); pw.print(',');
1831
1832                pw.print(binderDeathObjectCount); pw.print(',');
1833                pw.print(openSslSocketCount); pw.print(',');
1834
1835                // SQL
1836                pw.print(sqliteAllocated); pw.print(',');
1837                pw.print(stats.databaseBytes / 1024); pw.print(',');
1838                pw.print(stats.numPagers); pw.print(',');
1839                pw.print((stats.totalBytes - stats.referencedBytes) / 1024); pw.print(',');
1840                pw.print(stats.referencedBytes / 1024); pw.print('\n');
1841
1842                return;
1843            }
1844
1845            // otherwise, show human-readable format
1846            printRow(pw, HEAP_COLUMN, "", "native", "dalvik", "other", "total");
1847            printRow(pw, HEAP_COLUMN, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
1848            printRow(pw, HEAP_COLUMN, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
1849                    nativeAllocated + dalvikAllocated);
1850            printRow(pw, HEAP_COLUMN, "free:", nativeFree, dalvikFree, "N/A",
1851                    nativeFree + dalvikFree);
1852
1853            printRow(pw, HEAP_COLUMN, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
1854                    memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);
1855
1856            printRow(pw, HEAP_COLUMN, "(shared dirty):", nativeShared, dalvikShared, otherShared,
1857                    nativeShared + dalvikShared + otherShared);
1858            printRow(pw, HEAP_COLUMN, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
1859                    nativePrivate + dalvikPrivate + otherPrivate);
1860
1861            pw.println(" ");
1862            pw.println(" Objects");
1863            printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRoots:",
1864                    viewRootInstanceCount);
1865
1866            printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount,
1867                    "Activities:", activityInstanceCount);
1868
1869            printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount,
1870                    "AssetManagers:", globalAssetManagerCount);
1871
1872            printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount,
1873                    "Proxy Binders:", binderProxyObjectCount);
1874            printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount);
1875
1876            printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount);
1877
1878            // SQLite mem info
1879            pw.println(" ");
1880            pw.println(" SQL");
1881            printRow(pw, TWO_COUNT_COLUMNS, "heap:", sqliteAllocated, "dbFiles:",
1882                    stats.databaseBytes / 1024);
1883            printRow(pw, TWO_COUNT_COLUMNS, "numPagers:", stats.numPagers, "inactivePageKB:",
1884                    (stats.totalBytes - stats.referencedBytes) / 1024);
1885            printRow(pw, ONE_COUNT_COLUMN, "activePageKB:", stats.referencedBytes / 1024);
1886
1887            // Asset details.
1888            String assetAlloc = AssetManager.getAssetAllocations();
1889            if (assetAlloc != null) {
1890                pw.println(" ");
1891                pw.println(" Asset Allocations");
1892                pw.print(assetAlloc);
1893            }
1894        }
1895
1896        private void printRow(PrintWriter pw, String format, Object...objs) {
1897            pw.println(String.format(format, objs));
1898        }
1899    }
1900
1901    private final class H extends Handler {
1902        private H() {
1903            SamplingProfiler.getInstance().setEventThread(mLooper.getThread());
1904        }
1905
1906        public static final int LAUNCH_ACTIVITY         = 100;
1907        public static final int PAUSE_ACTIVITY          = 101;
1908        public static final int PAUSE_ACTIVITY_FINISHING= 102;
1909        public static final int STOP_ACTIVITY_SHOW      = 103;
1910        public static final int STOP_ACTIVITY_HIDE      = 104;
1911        public static final int SHOW_WINDOW             = 105;
1912        public static final int HIDE_WINDOW             = 106;
1913        public static final int RESUME_ACTIVITY         = 107;
1914        public static final int SEND_RESULT             = 108;
1915        public static final int DESTROY_ACTIVITY         = 109;
1916        public static final int BIND_APPLICATION        = 110;
1917        public static final int EXIT_APPLICATION        = 111;
1918        public static final int NEW_INTENT              = 112;
1919        public static final int RECEIVER                = 113;
1920        public static final int CREATE_SERVICE          = 114;
1921        public static final int SERVICE_ARGS            = 115;
1922        public static final int STOP_SERVICE            = 116;
1923        public static final int REQUEST_THUMBNAIL       = 117;
1924        public static final int CONFIGURATION_CHANGED   = 118;
1925        public static final int CLEAN_UP_CONTEXT        = 119;
1926        public static final int GC_WHEN_IDLE            = 120;
1927        public static final int BIND_SERVICE            = 121;
1928        public static final int UNBIND_SERVICE          = 122;
1929        public static final int DUMP_SERVICE            = 123;
1930        public static final int LOW_MEMORY              = 124;
1931        public static final int ACTIVITY_CONFIGURATION_CHANGED = 125;
1932        public static final int RELAUNCH_ACTIVITY       = 126;
1933        public static final int PROFILER_CONTROL        = 127;
1934        public static final int CREATE_BACKUP_AGENT     = 128;
1935        public static final int DESTROY_BACKUP_AGENT    = 129;
1936        public static final int SUICIDE                 = 130;
1937        public static final int REMOVE_PROVIDER         = 131;
1938        public static final int ENABLE_JIT              = 132;
1939        String codeToString(int code) {
1940            if (localLOGV) {
1941                switch (code) {
1942                    case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY";
1943                    case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY";
1944                    case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING";
1945                    case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW";
1946                    case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE";
1947                    case SHOW_WINDOW: return "SHOW_WINDOW";
1948                    case HIDE_WINDOW: return "HIDE_WINDOW";
1949                    case RESUME_ACTIVITY: return "RESUME_ACTIVITY";
1950                    case SEND_RESULT: return "SEND_RESULT";
1951                    case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY";
1952                    case BIND_APPLICATION: return "BIND_APPLICATION";
1953                    case EXIT_APPLICATION: return "EXIT_APPLICATION";
1954                    case NEW_INTENT: return "NEW_INTENT";
1955                    case RECEIVER: return "RECEIVER";
1956                    case CREATE_SERVICE: return "CREATE_SERVICE";
1957                    case SERVICE_ARGS: return "SERVICE_ARGS";
1958                    case STOP_SERVICE: return "STOP_SERVICE";
1959                    case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL";
1960                    case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED";
1961                    case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT";
1962                    case GC_WHEN_IDLE: return "GC_WHEN_IDLE";
1963                    case BIND_SERVICE: return "BIND_SERVICE";
1964                    case UNBIND_SERVICE: return "UNBIND_SERVICE";
1965                    case DUMP_SERVICE: return "DUMP_SERVICE";
1966                    case LOW_MEMORY: return "LOW_MEMORY";
1967                    case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED";
1968                    case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY";
1969                    case PROFILER_CONTROL: return "PROFILER_CONTROL";
1970                    case CREATE_BACKUP_AGENT: return "CREATE_BACKUP_AGENT";
1971                    case DESTROY_BACKUP_AGENT: return "DESTROY_BACKUP_AGENT";
1972                    case SUICIDE: return "SUICIDE";
1973                    case REMOVE_PROVIDER: return "REMOVE_PROVIDER";
1974                    case ENABLE_JIT: return "ENABLE_JIT";
1975                }
1976            }
1977            return "(unknown)";
1978        }
1979        public void handleMessage(Message msg) {
1980            switch (msg.what) {
1981                case LAUNCH_ACTIVITY: {
1982                    ActivityRecord r = (ActivityRecord)msg.obj;
1983
1984                    r.packageInfo = getPackageInfoNoCheck(
1985                            r.activityInfo.applicationInfo);
1986                    handleLaunchActivity(r, null);
1987                } break;
1988                case RELAUNCH_ACTIVITY: {
1989                    ActivityRecord r = (ActivityRecord)msg.obj;
1990                    handleRelaunchActivity(r, msg.arg1);
1991                } break;
1992                case PAUSE_ACTIVITY:
1993                    handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2);
1994                    maybeSnapshot();
1995                    break;
1996                case PAUSE_ACTIVITY_FINISHING:
1997                    handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2);
1998                    break;
1999                case STOP_ACTIVITY_SHOW:
2000                    handleStopActivity((IBinder)msg.obj, true, msg.arg2);
2001                    break;
2002                case STOP_ACTIVITY_HIDE:
2003                    handleStopActivity((IBinder)msg.obj, false, msg.arg2);
2004                    break;
2005                case SHOW_WINDOW:
2006                    handleWindowVisibility((IBinder)msg.obj, true);
2007                    break;
2008                case HIDE_WINDOW:
2009                    handleWindowVisibility((IBinder)msg.obj, false);
2010                    break;
2011                case RESUME_ACTIVITY:
2012                    handleResumeActivity((IBinder)msg.obj, true,
2013                            msg.arg1 != 0);
2014                    break;
2015                case SEND_RESULT:
2016                    handleSendResult((ResultData)msg.obj);
2017                    break;
2018                case DESTROY_ACTIVITY:
2019                    handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0,
2020                            msg.arg2, false);
2021                    break;
2022                case BIND_APPLICATION:
2023                    AppBindData data = (AppBindData)msg.obj;
2024                    handleBindApplication(data);
2025                    break;
2026                case EXIT_APPLICATION:
2027                    if (mInitialApplication != null) {
2028                        mInitialApplication.onTerminate();
2029                    }
2030                    Looper.myLooper().quit();
2031                    break;
2032                case NEW_INTENT:
2033                    handleNewIntent((NewIntentData)msg.obj);
2034                    break;
2035                case RECEIVER:
2036                    handleReceiver((ReceiverData)msg.obj);
2037                    maybeSnapshot();
2038                    break;
2039                case CREATE_SERVICE:
2040                    handleCreateService((CreateServiceData)msg.obj);
2041                    break;
2042                case BIND_SERVICE:
2043                    handleBindService((BindServiceData)msg.obj);
2044                    break;
2045                case UNBIND_SERVICE:
2046                    handleUnbindService((BindServiceData)msg.obj);
2047                    break;
2048                case SERVICE_ARGS:
2049                    handleServiceArgs((ServiceArgsData)msg.obj);
2050                    break;
2051                case STOP_SERVICE:
2052                    handleStopService((IBinder)msg.obj);
2053                    maybeSnapshot();
2054                    break;
2055                case REQUEST_THUMBNAIL:
2056                    handleRequestThumbnail((IBinder)msg.obj);
2057                    break;
2058                case CONFIGURATION_CHANGED:
2059                    handleConfigurationChanged((Configuration)msg.obj);
2060                    break;
2061                case CLEAN_UP_CONTEXT:
2062                    ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj;
2063                    cci.context.performFinalCleanup(cci.who, cci.what);
2064                    break;
2065                case GC_WHEN_IDLE:
2066                    scheduleGcIdler();
2067                    break;
2068                case DUMP_SERVICE:
2069                    handleDumpService((DumpServiceInfo)msg.obj);
2070                    break;
2071                case LOW_MEMORY:
2072                    handleLowMemory();
2073                    break;
2074                case ACTIVITY_CONFIGURATION_CHANGED:
2075                    handleActivityConfigurationChanged((IBinder)msg.obj);
2076                    break;
2077                case PROFILER_CONTROL:
2078                    handleProfilerControl(msg.arg1 != 0, (ProfilerControlData)msg.obj);
2079                    break;
2080                case CREATE_BACKUP_AGENT:
2081                    handleCreateBackupAgent((CreateBackupAgentData)msg.obj);
2082                    break;
2083                case DESTROY_BACKUP_AGENT:
2084                    handleDestroyBackupAgent((CreateBackupAgentData)msg.obj);
2085                    break;
2086                case SUICIDE:
2087                    Process.killProcess(Process.myPid());
2088                    break;
2089                case REMOVE_PROVIDER:
2090                    completeRemoveProvider((IContentProvider)msg.obj);
2091                    break;
2092                case ENABLE_JIT:
2093                    ensureJitEnabled();
2094                    break;
2095            }
2096        }
2097
2098        void maybeSnapshot() {
2099            if (mBoundApplication != null) {
2100                SamplingProfilerIntegration.writeSnapshot(
2101                        mBoundApplication.processName);
2102            }
2103        }
2104    }
2105
2106    private final class Idler implements MessageQueue.IdleHandler {
2107        public final boolean queueIdle() {
2108            ActivityRecord a = mNewActivities;
2109            if (a != null) {
2110                mNewActivities = null;
2111                IActivityManager am = ActivityManagerNative.getDefault();
2112                ActivityRecord prev;
2113                do {
2114                    if (localLOGV) Log.v(
2115                        TAG, "Reporting idle of " + a +
2116                        " finished=" +
2117                        (a.activity != null ? a.activity.mFinished : false));
2118                    if (a.activity != null && !a.activity.mFinished) {
2119                        try {
2120                            am.activityIdle(a.token, a.createdConfig);
2121                            a.createdConfig = null;
2122                        } catch (RemoteException ex) {
2123                        }
2124                    }
2125                    prev = a;
2126                    a = a.nextIdle;
2127                    prev.nextIdle = null;
2128                } while (a != null);
2129            }
2130            ensureJitEnabled();
2131            return false;
2132        }
2133    }
2134
2135    final class GcIdler implements MessageQueue.IdleHandler {
2136        public final boolean queueIdle() {
2137            doGcIfNeeded();
2138            return false;
2139        }
2140    }
2141
2142    private final static class ResourcesKey {
2143        final private String mResDir;
2144        final private float mScale;
2145        final private int mHash;
2146
2147        ResourcesKey(String resDir, float scale) {
2148            mResDir = resDir;
2149            mScale = scale;
2150            mHash = mResDir.hashCode() << 2 + (int) (mScale * 2);
2151        }
2152
2153        @Override
2154        public int hashCode() {
2155            return mHash;
2156        }
2157
2158        @Override
2159        public boolean equals(Object obj) {
2160            if (!(obj instanceof ResourcesKey)) {
2161                return false;
2162            }
2163            ResourcesKey peer = (ResourcesKey) obj;
2164            return mResDir.equals(peer.mResDir) && mScale == peer.mScale;
2165        }
2166    }
2167
2168    static IPackageManager sPackageManager;
2169
2170    final ApplicationThread mAppThread = new ApplicationThread();
2171    final Looper mLooper = Looper.myLooper();
2172    final H mH = new H();
2173    final HashMap<IBinder, ActivityRecord> mActivities
2174            = new HashMap<IBinder, ActivityRecord>();
2175    // List of new activities (via ActivityRecord.nextIdle) that should
2176    // be reported when next we idle.
2177    ActivityRecord mNewActivities = null;
2178    // Number of activities that are currently visible on-screen.
2179    int mNumVisibleActivities = 0;
2180    final HashMap<IBinder, Service> mServices
2181            = new HashMap<IBinder, Service>();
2182    AppBindData mBoundApplication;
2183    Configuration mConfiguration;
2184    Configuration mResConfiguration;
2185    Application mInitialApplication;
2186    final ArrayList<Application> mAllApplications
2187            = new ArrayList<Application>();
2188    // set of instantiated backup agents, keyed by package name
2189    final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>();
2190    static final ThreadLocal sThreadLocal = new ThreadLocal();
2191    Instrumentation mInstrumentation;
2192    String mInstrumentationAppDir = null;
2193    String mInstrumentationAppPackage = null;
2194    String mInstrumentedAppDir = null;
2195    boolean mSystemThread = false;
2196    boolean mJitEnabled = false;
2197
2198    // These can be accessed by multiple threads; mPackages is the lock.
2199    // XXX For now we keep around information about all packages we have
2200    // seen, not removing entries from this map.
2201    final HashMap<String, WeakReference<PackageInfo>> mPackages
2202        = new HashMap<String, WeakReference<PackageInfo>>();
2203    final HashMap<String, WeakReference<PackageInfo>> mResourcePackages
2204        = new HashMap<String, WeakReference<PackageInfo>>();
2205    Display mDisplay = null;
2206    DisplayMetrics mDisplayMetrics = null;
2207    HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources
2208        = new HashMap<ResourcesKey, WeakReference<Resources> >();
2209    final ArrayList<ActivityRecord> mRelaunchingActivities
2210            = new ArrayList<ActivityRecord>();
2211        Configuration mPendingConfiguration = null;
2212
2213    // The lock of mProviderMap protects the following variables.
2214    final HashMap<String, ProviderRecord> mProviderMap
2215        = new HashMap<String, ProviderRecord>();
2216    final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap
2217        = new HashMap<IBinder, ProviderRefCount>();
2218    final HashMap<IBinder, ProviderRecord> mLocalProviders
2219        = new HashMap<IBinder, ProviderRecord>();
2220
2221    final GcIdler mGcIdler = new GcIdler();
2222    boolean mGcIdlerScheduled = false;
2223
2224    public final PackageInfo getPackageInfo(String packageName, int flags) {
2225        synchronized (mPackages) {
2226            WeakReference<PackageInfo> ref;
2227            if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) {
2228                ref = mPackages.get(packageName);
2229            } else {
2230                ref = mResourcePackages.get(packageName);
2231            }
2232            PackageInfo packageInfo = ref != null ? ref.get() : null;
2233            //Log.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo);
2234            if (packageInfo != null && (packageInfo.mResources == null
2235                    || packageInfo.mResources.getAssets().isUpToDate())) {
2236                if (packageInfo.isSecurityViolation()
2237                        && (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) {
2238                    throw new SecurityException(
2239                            "Requesting code from " + packageName
2240                            + " to be run in process "
2241                            + mBoundApplication.processName
2242                            + "/" + mBoundApplication.appInfo.uid);
2243                }
2244                return packageInfo;
2245            }
2246        }
2247
2248        ApplicationInfo ai = null;
2249        try {
2250            ai = getPackageManager().getApplicationInfo(packageName,
2251                    PackageManager.GET_SHARED_LIBRARY_FILES);
2252        } catch (RemoteException e) {
2253        }
2254
2255        if (ai != null) {
2256            return getPackageInfo(ai, flags);
2257        }
2258
2259        return null;
2260    }
2261
2262    public final PackageInfo getPackageInfo(ApplicationInfo ai, int flags) {
2263        boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0;
2264        boolean securityViolation = includeCode && ai.uid != 0
2265                && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null
2266                        ? ai.uid != mBoundApplication.appInfo.uid : true);
2267        if ((flags&(Context.CONTEXT_INCLUDE_CODE
2268                |Context.CONTEXT_IGNORE_SECURITY))
2269                == Context.CONTEXT_INCLUDE_CODE) {
2270            if (securityViolation) {
2271                String msg = "Requesting code from " + ai.packageName
2272                        + " (with uid " + ai.uid + ")";
2273                if (mBoundApplication != null) {
2274                    msg = msg + " to be run in process "
2275                        + mBoundApplication.processName + " (with uid "
2276                        + mBoundApplication.appInfo.uid + ")";
2277                }
2278                throw new SecurityException(msg);
2279            }
2280        }
2281        return getPackageInfo(ai, null, securityViolation, includeCode);
2282    }
2283
2284    public final PackageInfo getPackageInfoNoCheck(ApplicationInfo ai) {
2285        return getPackageInfo(ai, null, false, true);
2286    }
2287
2288    private final PackageInfo getPackageInfo(ApplicationInfo aInfo,
2289            ClassLoader baseLoader, boolean securityViolation, boolean includeCode) {
2290        synchronized (mPackages) {
2291            WeakReference<PackageInfo> ref;
2292            if (includeCode) {
2293                ref = mPackages.get(aInfo.packageName);
2294            } else {
2295                ref = mResourcePackages.get(aInfo.packageName);
2296            }
2297            PackageInfo packageInfo = ref != null ? ref.get() : null;
2298            if (packageInfo == null || (packageInfo.mResources != null
2299                    && !packageInfo.mResources.getAssets().isUpToDate())) {
2300                if (localLOGV) Log.v(TAG, (includeCode ? "Loading code package "
2301                        : "Loading resource-only package ") + aInfo.packageName
2302                        + " (in " + (mBoundApplication != null
2303                                ? mBoundApplication.processName : null)
2304                        + ")");
2305                packageInfo =
2306                    new PackageInfo(this, aInfo, this, baseLoader,
2307                            securityViolation, includeCode &&
2308                            (aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0);
2309                if (includeCode) {
2310                    mPackages.put(aInfo.packageName,
2311                            new WeakReference<PackageInfo>(packageInfo));
2312                } else {
2313                    mResourcePackages.put(aInfo.packageName,
2314                            new WeakReference<PackageInfo>(packageInfo));
2315                }
2316            }
2317            return packageInfo;
2318        }
2319    }
2320
2321    public final boolean hasPackageInfo(String packageName) {
2322        synchronized (mPackages) {
2323            WeakReference<PackageInfo> ref;
2324            ref = mPackages.get(packageName);
2325            if (ref != null && ref.get() != null) {
2326                return true;
2327            }
2328            ref = mResourcePackages.get(packageName);
2329            if (ref != null && ref.get() != null) {
2330                return true;
2331            }
2332            return false;
2333        }
2334    }
2335
2336    ActivityThread() {
2337    }
2338
2339    public ApplicationThread getApplicationThread()
2340    {
2341        return mAppThread;
2342    }
2343
2344    public Instrumentation getInstrumentation()
2345    {
2346        return mInstrumentation;
2347    }
2348
2349    public Configuration getConfiguration() {
2350        return mConfiguration;
2351    }
2352
2353    public boolean isProfiling() {
2354        return mBoundApplication != null && mBoundApplication.profileFile != null;
2355    }
2356
2357    public String getProfileFilePath() {
2358        return mBoundApplication.profileFile;
2359    }
2360
2361    public Looper getLooper() {
2362        return mLooper;
2363    }
2364
2365    public Application getApplication() {
2366        return mInitialApplication;
2367    }
2368
2369    public String getProcessName() {
2370        return mBoundApplication.processName;
2371    }
2372
2373    public ContextImpl getSystemContext() {
2374        synchronized (this) {
2375            if (mSystemContext == null) {
2376                ContextImpl context =
2377                    ContextImpl.createSystemContext(this);
2378                PackageInfo info = new PackageInfo(this, "android", context, null);
2379                context.init(info, null, this);
2380                context.getResources().updateConfiguration(
2381                        getConfiguration(), getDisplayMetricsLocked(false));
2382                mSystemContext = context;
2383                //Log.i(TAG, "Created system resources " + context.getResources()
2384                //        + ": " + context.getResources().getConfiguration());
2385            }
2386        }
2387        return mSystemContext;
2388    }
2389
2390    public void installSystemApplicationInfo(ApplicationInfo info) {
2391        synchronized (this) {
2392            ContextImpl context = getSystemContext();
2393            context.init(new PackageInfo(this, "android", context, info), null, this);
2394        }
2395    }
2396
2397    void ensureJitEnabled() {
2398        if (!mJitEnabled) {
2399            mJitEnabled = true;
2400            dalvik.system.VMRuntime.getRuntime().startJitCompilation();
2401        }
2402    }
2403
2404    void scheduleGcIdler() {
2405        if (!mGcIdlerScheduled) {
2406            mGcIdlerScheduled = true;
2407            Looper.myQueue().addIdleHandler(mGcIdler);
2408        }
2409        mH.removeMessages(H.GC_WHEN_IDLE);
2410    }
2411
2412    void unscheduleGcIdler() {
2413        if (mGcIdlerScheduled) {
2414            mGcIdlerScheduled = false;
2415            Looper.myQueue().removeIdleHandler(mGcIdler);
2416        }
2417        mH.removeMessages(H.GC_WHEN_IDLE);
2418    }
2419
2420    void doGcIfNeeded() {
2421        mGcIdlerScheduled = false;
2422        final long now = SystemClock.uptimeMillis();
2423        //Log.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime()
2424        //        + "m now=" + now);
2425        if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) {
2426            //Log.i(TAG, "**** WE DO, WE DO WANT TO GC!");
2427            BinderInternal.forceGc("bg");
2428        }
2429    }
2430
2431    public final ActivityInfo resolveActivityInfo(Intent intent) {
2432        ActivityInfo aInfo = intent.resolveActivityInfo(
2433                mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES);
2434        if (aInfo == null) {
2435            // Throw an exception.
2436            Instrumentation.checkStartActivityResult(
2437                    IActivityManager.START_CLASS_NOT_FOUND, intent);
2438        }
2439        return aInfo;
2440    }
2441
2442    public final Activity startActivityNow(Activity parent, String id,
2443        Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state,
2444        Object lastNonConfigurationInstance) {
2445        ActivityRecord r = new ActivityRecord();
2446            r.token = token;
2447            r.ident = 0;
2448            r.intent = intent;
2449            r.state = state;
2450            r.parent = parent;
2451            r.embeddedID = id;
2452            r.activityInfo = activityInfo;
2453            r.lastNonConfigurationInstance = lastNonConfigurationInstance;
2454        if (localLOGV) {
2455            ComponentName compname = intent.getComponent();
2456            String name;
2457            if (compname != null) {
2458                name = compname.toShortString();
2459            } else {
2460                name = "(Intent " + intent + ").getComponent() returned null";
2461            }
2462            Log.v(TAG, "Performing launch: action=" + intent.getAction()
2463                    + ", comp=" + name
2464                    + ", token=" + token);
2465        }
2466        return performLaunchActivity(r, null);
2467    }
2468
2469    public final Activity getActivity(IBinder token) {
2470        return mActivities.get(token).activity;
2471    }
2472
2473    public final void sendActivityResult(
2474            IBinder token, String id, int requestCode,
2475            int resultCode, Intent data) {
2476        if (DEBUG_RESULTS) Log.v(TAG, "sendActivityResult: id=" + id
2477                + " req=" + requestCode + " res=" + resultCode + " data=" + data);
2478        ArrayList<ResultInfo> list = new ArrayList<ResultInfo>();
2479        list.add(new ResultInfo(id, requestCode, resultCode, data));
2480        mAppThread.scheduleSendResult(token, list);
2481    }
2482
2483    // if the thread hasn't started yet, we don't have the handler, so just
2484    // save the messages until we're ready.
2485    private final void queueOrSendMessage(int what, Object obj) {
2486        queueOrSendMessage(what, obj, 0, 0);
2487    }
2488
2489    private final void queueOrSendMessage(int what, Object obj, int arg1) {
2490        queueOrSendMessage(what, obj, arg1, 0);
2491    }
2492
2493    private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
2494        synchronized (this) {
2495            if (localLOGV) Log.v(
2496                TAG, "SCHEDULE " + what + " " + mH.codeToString(what)
2497                + ": " + arg1 + " / " + obj);
2498            Message msg = Message.obtain();
2499            msg.what = what;
2500            msg.obj = obj;
2501            msg.arg1 = arg1;
2502            msg.arg2 = arg2;
2503            mH.sendMessage(msg);
2504        }
2505    }
2506
2507    final void scheduleContextCleanup(ContextImpl context, String who,
2508            String what) {
2509        ContextCleanupInfo cci = new ContextCleanupInfo();
2510        cci.context = context;
2511        cci.who = who;
2512        cci.what = what;
2513        queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci);
2514    }
2515
2516    private final Activity performLaunchActivity(ActivityRecord r, Intent customIntent) {
2517        // System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")");
2518
2519        ActivityInfo aInfo = r.activityInfo;
2520        if (r.packageInfo == null) {
2521            r.packageInfo = getPackageInfo(aInfo.applicationInfo,
2522                    Context.CONTEXT_INCLUDE_CODE);
2523        }
2524
2525        ComponentName component = r.intent.getComponent();
2526        if (component == null) {
2527            component = r.intent.resolveActivity(
2528                mInitialApplication.getPackageManager());
2529            r.intent.setComponent(component);
2530        }
2531
2532        if (r.activityInfo.targetActivity != null) {
2533            component = new ComponentName(r.activityInfo.packageName,
2534                    r.activityInfo.targetActivity);
2535        }
2536
2537        Activity activity = null;
2538        try {
2539            java.lang.ClassLoader cl = r.packageInfo.getClassLoader();
2540            activity = mInstrumentation.newActivity(
2541                    cl, component.getClassName(), r.intent);
2542            r.intent.setExtrasClassLoader(cl);
2543            if (r.state != null) {
2544                r.state.setClassLoader(cl);
2545            }
2546        } catch (Exception e) {
2547            if (!mInstrumentation.onException(activity, e)) {
2548                throw new RuntimeException(
2549                    "Unable to instantiate activity " + component
2550                    + ": " + e.toString(), e);
2551            }
2552        }
2553
2554        try {
2555            Application app = r.packageInfo.makeApplication(false, mInstrumentation);
2556
2557            if (localLOGV) Log.v(TAG, "Performing launch of " + r);
2558            if (localLOGV) Log.v(
2559                    TAG, r + ": app=" + app
2560                    + ", appName=" + app.getPackageName()
2561                    + ", pkg=" + r.packageInfo.getPackageName()
2562                    + ", comp=" + r.intent.getComponent().toShortString()
2563                    + ", dir=" + r.packageInfo.getAppDir());
2564
2565            if (activity != null) {
2566                ContextImpl appContext = new ContextImpl();
2567                appContext.init(r.packageInfo, r.token, this);
2568                appContext.setOuterContext(activity);
2569                CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager());
2570                Configuration config = new Configuration(mConfiguration);
2571                if (DEBUG_CONFIGURATION) Log.v(TAG, "Launching activity "
2572                        + r.activityInfo.name + " with config " + config);
2573                activity.attach(appContext, this, getInstrumentation(), r.token,
2574                        r.ident, app, r.intent, r.activityInfo, title, r.parent,
2575                        r.embeddedID, r.lastNonConfigurationInstance,
2576                        r.lastNonConfigurationChildInstances, config);
2577
2578                if (customIntent != null) {
2579                    activity.mIntent = customIntent;
2580                }
2581                r.lastNonConfigurationInstance = null;
2582                r.lastNonConfigurationChildInstances = null;
2583                activity.mStartedActivity = false;
2584                int theme = r.activityInfo.getThemeResource();
2585                if (theme != 0) {
2586                    activity.setTheme(theme);
2587                }
2588
2589                activity.mCalled = false;
2590                mInstrumentation.callActivityOnCreate(activity, r.state);
2591                if (!activity.mCalled) {
2592                    throw new SuperNotCalledException(
2593                        "Activity " + r.intent.getComponent().toShortString() +
2594                        " did not call through to super.onCreate()");
2595                }
2596                r.activity = activity;
2597                r.stopped = true;
2598                if (!r.activity.mFinished) {
2599                    activity.performStart();
2600                    r.stopped = false;
2601                }
2602                if (!r.activity.mFinished) {
2603                    if (r.state != null) {
2604                        mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state);
2605                    }
2606                }
2607                if (!r.activity.mFinished) {
2608                    activity.mCalled = false;
2609                    mInstrumentation.callActivityOnPostCreate(activity, r.state);
2610                    if (!activity.mCalled) {
2611                        throw new SuperNotCalledException(
2612                            "Activity " + r.intent.getComponent().toShortString() +
2613                            " did not call through to super.onPostCreate()");
2614                    }
2615                }
2616            }
2617            r.paused = true;
2618
2619            mActivities.put(r.token, r);
2620
2621        } catch (SuperNotCalledException e) {
2622            throw e;
2623
2624        } catch (Exception e) {
2625            if (!mInstrumentation.onException(activity, e)) {
2626                throw new RuntimeException(
2627                    "Unable to start activity " + component
2628                    + ": " + e.toString(), e);
2629            }
2630        }
2631
2632        return activity;
2633    }
2634
2635    private final void handleLaunchActivity(ActivityRecord r, Intent customIntent) {
2636        // If we are getting ready to gc after going to the background, well
2637        // we are back active so skip it.
2638        unscheduleGcIdler();
2639
2640        if (localLOGV) Log.v(
2641            TAG, "Handling launch of " + r);
2642        Activity a = performLaunchActivity(r, customIntent);
2643
2644        if (a != null) {
2645            r.createdConfig = new Configuration(mConfiguration);
2646            Bundle oldState = r.state;
2647            handleResumeActivity(r.token, false, r.isForward);
2648
2649            if (!r.activity.mFinished && r.startsNotResumed) {
2650                // The activity manager actually wants this one to start out
2651                // paused, because it needs to be visible but isn't in the
2652                // foreground.  We accomplish this by going through the
2653                // normal startup (because activities expect to go through
2654                // onResume() the first time they run, before their window
2655                // is displayed), and then pausing it.  However, in this case
2656                // we do -not- need to do the full pause cycle (of freezing
2657                // and such) because the activity manager assumes it can just
2658                // retain the current state it has.
2659                try {
2660                    r.activity.mCalled = false;
2661                    mInstrumentation.callActivityOnPause(r.activity);
2662                    // We need to keep around the original state, in case
2663                    // we need to be created again.
2664                    r.state = oldState;
2665                    if (!r.activity.mCalled) {
2666                        throw new SuperNotCalledException(
2667                            "Activity " + r.intent.getComponent().toShortString() +
2668                            " did not call through to super.onPause()");
2669                    }
2670
2671                } catch (SuperNotCalledException e) {
2672                    throw e;
2673
2674                } catch (Exception e) {
2675                    if (!mInstrumentation.onException(r.activity, e)) {
2676                        throw new RuntimeException(
2677                                "Unable to pause activity "
2678                                + r.intent.getComponent().toShortString()
2679                                + ": " + e.toString(), e);
2680                    }
2681                }
2682                r.paused = true;
2683            }
2684        } else {
2685            // If there was an error, for any reason, tell the activity
2686            // manager to stop us.
2687            try {
2688                ActivityManagerNative.getDefault()
2689                    .finishActivity(r.token, Activity.RESULT_CANCELED, null);
2690            } catch (RemoteException ex) {
2691            }
2692        }
2693    }
2694
2695    private final void deliverNewIntents(ActivityRecord r,
2696            List<Intent> intents) {
2697        final int N = intents.size();
2698        for (int i=0; i<N; i++) {
2699            Intent intent = intents.get(i);
2700            intent.setExtrasClassLoader(r.activity.getClassLoader());
2701            mInstrumentation.callActivityOnNewIntent(r.activity, intent);
2702        }
2703    }
2704
2705    public final void performNewIntents(IBinder token,
2706            List<Intent> intents) {
2707        ActivityRecord r = mActivities.get(token);
2708        if (r != null) {
2709            final boolean resumed = !r.paused;
2710            if (resumed) {
2711                mInstrumentation.callActivityOnPause(r.activity);
2712            }
2713            deliverNewIntents(r, intents);
2714            if (resumed) {
2715                mInstrumentation.callActivityOnResume(r.activity);
2716            }
2717        }
2718    }
2719
2720    private final void handleNewIntent(NewIntentData data) {
2721        performNewIntents(data.token, data.intents);
2722    }
2723
2724    private final void handleReceiver(ReceiverData data) {
2725        // If we are getting ready to gc after going to the background, well
2726        // we are back active so skip it.
2727        unscheduleGcIdler();
2728
2729        String component = data.intent.getComponent().getClassName();
2730
2731        PackageInfo packageInfo = getPackageInfoNoCheck(
2732                data.info.applicationInfo);
2733
2734        IActivityManager mgr = ActivityManagerNative.getDefault();
2735
2736        BroadcastReceiver receiver = null;
2737        try {
2738            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2739            data.intent.setExtrasClassLoader(cl);
2740            if (data.resultExtras != null) {
2741                data.resultExtras.setClassLoader(cl);
2742            }
2743            receiver = (BroadcastReceiver)cl.loadClass(component).newInstance();
2744        } catch (Exception e) {
2745            try {
2746                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2747                                   data.resultData, data.resultExtras, data.resultAbort);
2748            } catch (RemoteException ex) {
2749            }
2750            throw new RuntimeException(
2751                "Unable to instantiate receiver " + component
2752                + ": " + e.toString(), e);
2753        }
2754
2755        try {
2756            Application app = packageInfo.makeApplication(false, mInstrumentation);
2757
2758            if (localLOGV) Log.v(
2759                TAG, "Performing receive of " + data.intent
2760                + ": app=" + app
2761                + ", appName=" + app.getPackageName()
2762                + ", pkg=" + packageInfo.getPackageName()
2763                + ", comp=" + data.intent.getComponent().toShortString()
2764                + ", dir=" + packageInfo.getAppDir());
2765
2766            ContextImpl context = (ContextImpl)app.getBaseContext();
2767            receiver.setOrderedHint(true);
2768            receiver.setResult(data.resultCode, data.resultData,
2769                data.resultExtras);
2770            receiver.setOrderedHint(data.sync);
2771            receiver.onReceive(context.getReceiverRestrictedContext(),
2772                    data.intent);
2773        } catch (Exception e) {
2774            try {
2775                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2776                    data.resultData, data.resultExtras, data.resultAbort);
2777            } catch (RemoteException ex) {
2778            }
2779            if (!mInstrumentation.onException(receiver, e)) {
2780                throw new RuntimeException(
2781                    "Unable to start receiver " + component
2782                    + ": " + e.toString(), e);
2783            }
2784        }
2785
2786        try {
2787            if (data.sync) {
2788                mgr.finishReceiver(
2789                    mAppThread.asBinder(), receiver.getResultCode(),
2790                    receiver.getResultData(), receiver.getResultExtras(false),
2791                        receiver.getAbortBroadcast());
2792            } else {
2793                mgr.finishReceiver(mAppThread.asBinder(), 0, null, null, false);
2794            }
2795        } catch (RemoteException ex) {
2796        }
2797    }
2798
2799    // Instantiate a BackupAgent and tell it that it's alive
2800    private final void handleCreateBackupAgent(CreateBackupAgentData data) {
2801        if (DEBUG_BACKUP) Log.v(TAG, "handleCreateBackupAgent: " + data);
2802
2803        // no longer idle; we have backup work to do
2804        unscheduleGcIdler();
2805
2806        // instantiate the BackupAgent class named in the manifest
2807        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2808        String packageName = packageInfo.mPackageName;
2809        if (mBackupAgents.get(packageName) != null) {
2810            Log.d(TAG, "BackupAgent " + "  for " + packageName
2811                    + " already exists");
2812            return;
2813        }
2814
2815        BackupAgent agent = null;
2816        String classname = data.appInfo.backupAgentName;
2817        if (classname == null) {
2818            if (data.backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) {
2819                Log.e(TAG, "Attempted incremental backup but no defined agent for "
2820                        + packageName);
2821                return;
2822            }
2823            classname = "android.app.FullBackupAgent";
2824        }
2825        try {
2826            IBinder binder = null;
2827            try {
2828                java.lang.ClassLoader cl = packageInfo.getClassLoader();
2829                agent = (BackupAgent) cl.loadClass(data.appInfo.backupAgentName).newInstance();
2830
2831                // set up the agent's context
2832                if (DEBUG_BACKUP) Log.v(TAG, "Initializing BackupAgent "
2833                        + data.appInfo.backupAgentName);
2834
2835                ContextImpl context = new ContextImpl();
2836                context.init(packageInfo, null, this);
2837                context.setOuterContext(agent);
2838                agent.attach(context);
2839
2840                agent.onCreate();
2841                binder = agent.onBind();
2842                mBackupAgents.put(packageName, agent);
2843            } catch (Exception e) {
2844                // If this is during restore, fail silently; otherwise go
2845                // ahead and let the user see the crash.
2846                Log.e(TAG, "Agent threw during creation: " + e);
2847                if (data.backupMode != IApplicationThread.BACKUP_MODE_RESTORE) {
2848                    throw e;
2849                }
2850                // falling through with 'binder' still null
2851            }
2852
2853            // tell the OS that we're live now
2854            try {
2855                ActivityManagerNative.getDefault().backupAgentCreated(packageName, binder);
2856            } catch (RemoteException e) {
2857                // nothing to do.
2858            }
2859        } catch (Exception e) {
2860            throw new RuntimeException("Unable to create BackupAgent "
2861                    + data.appInfo.backupAgentName + ": " + e.toString(), e);
2862        }
2863    }
2864
2865    // Tear down a BackupAgent
2866    private final void handleDestroyBackupAgent(CreateBackupAgentData data) {
2867        if (DEBUG_BACKUP) Log.v(TAG, "handleDestroyBackupAgent: " + data);
2868
2869        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2870        String packageName = packageInfo.mPackageName;
2871        BackupAgent agent = mBackupAgents.get(packageName);
2872        if (agent != null) {
2873            try {
2874                agent.onDestroy();
2875            } catch (Exception e) {
2876                Log.w(TAG, "Exception thrown in onDestroy by backup agent of " + data.appInfo);
2877                e.printStackTrace();
2878            }
2879            mBackupAgents.remove(packageName);
2880        } else {
2881            Log.w(TAG, "Attempt to destroy unknown backup agent " + data);
2882        }
2883    }
2884
2885    private final void handleCreateService(CreateServiceData data) {
2886        // If we are getting ready to gc after going to the background, well
2887        // we are back active so skip it.
2888        unscheduleGcIdler();
2889
2890        PackageInfo packageInfo = getPackageInfoNoCheck(
2891                data.info.applicationInfo);
2892        Service service = null;
2893        try {
2894            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2895            service = (Service) cl.loadClass(data.info.name).newInstance();
2896        } catch (Exception e) {
2897            if (!mInstrumentation.onException(service, e)) {
2898                throw new RuntimeException(
2899                    "Unable to instantiate service " + data.info.name
2900                    + ": " + e.toString(), e);
2901            }
2902        }
2903
2904        try {
2905            if (localLOGV) Log.v(TAG, "Creating service " + data.info.name);
2906
2907            ContextImpl context = new ContextImpl();
2908            context.init(packageInfo, null, this);
2909
2910            Application app = packageInfo.makeApplication(false, mInstrumentation);
2911            context.setOuterContext(service);
2912            service.attach(context, this, data.info.name, data.token, app,
2913                    ActivityManagerNative.getDefault());
2914            service.onCreate();
2915            mServices.put(data.token, service);
2916            try {
2917                ActivityManagerNative.getDefault().serviceDoneExecuting(
2918                        data.token, 0, 0, 0);
2919            } catch (RemoteException e) {
2920                // nothing to do.
2921            }
2922        } catch (Exception e) {
2923            if (!mInstrumentation.onException(service, e)) {
2924                throw new RuntimeException(
2925                    "Unable to create service " + data.info.name
2926                    + ": " + e.toString(), e);
2927            }
2928        }
2929    }
2930
2931    private final void handleBindService(BindServiceData data) {
2932        Service s = mServices.get(data.token);
2933        if (s != null) {
2934            try {
2935                data.intent.setExtrasClassLoader(s.getClassLoader());
2936                try {
2937                    if (!data.rebind) {
2938                        IBinder binder = s.onBind(data.intent);
2939                        ActivityManagerNative.getDefault().publishService(
2940                                data.token, data.intent, binder);
2941                    } else {
2942                        s.onRebind(data.intent);
2943                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2944                                data.token, 0, 0, 0);
2945                    }
2946                    ensureJitEnabled();
2947                } catch (RemoteException ex) {
2948                }
2949            } catch (Exception e) {
2950                if (!mInstrumentation.onException(s, e)) {
2951                    throw new RuntimeException(
2952                            "Unable to bind to service " + s
2953                            + " with " + data.intent + ": " + e.toString(), e);
2954                }
2955            }
2956        }
2957    }
2958
2959    private final void handleUnbindService(BindServiceData data) {
2960        Service s = mServices.get(data.token);
2961        if (s != null) {
2962            try {
2963                data.intent.setExtrasClassLoader(s.getClassLoader());
2964                boolean doRebind = s.onUnbind(data.intent);
2965                try {
2966                    if (doRebind) {
2967                        ActivityManagerNative.getDefault().unbindFinished(
2968                                data.token, data.intent, doRebind);
2969                    } else {
2970                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2971                                data.token, 0, 0, 0);
2972                    }
2973                } catch (RemoteException ex) {
2974                }
2975            } catch (Exception e) {
2976                if (!mInstrumentation.onException(s, e)) {
2977                    throw new RuntimeException(
2978                            "Unable to unbind to service " + s
2979                            + " with " + data.intent + ": " + e.toString(), e);
2980                }
2981            }
2982        }
2983    }
2984
2985    private void handleDumpService(DumpServiceInfo info) {
2986        try {
2987            Service s = mServices.get(info.service);
2988            if (s != null) {
2989                PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd));
2990                s.dump(info.fd, pw, info.args);
2991                pw.close();
2992            }
2993        } finally {
2994            synchronized (info) {
2995                info.dumped = true;
2996                info.notifyAll();
2997            }
2998        }
2999    }
3000
3001    private final void handleServiceArgs(ServiceArgsData data) {
3002        Service s = mServices.get(data.token);
3003        if (s != null) {
3004            try {
3005                if (data.args != null) {
3006                    data.args.setExtrasClassLoader(s.getClassLoader());
3007                }
3008                int res = s.onStartCommand(data.args, data.flags, data.startId);
3009                try {
3010                    ActivityManagerNative.getDefault().serviceDoneExecuting(
3011                            data.token, 1, data.startId, res);
3012                } catch (RemoteException e) {
3013                    // nothing to do.
3014                }
3015                ensureJitEnabled();
3016            } catch (Exception e) {
3017                if (!mInstrumentation.onException(s, e)) {
3018                    throw new RuntimeException(
3019                            "Unable to start service " + s
3020                            + " with " + data.args + ": " + e.toString(), e);
3021                }
3022            }
3023        }
3024    }
3025
3026    private final void handleStopService(IBinder token) {
3027        Service s = mServices.remove(token);
3028        if (s != null) {
3029            try {
3030                if (localLOGV) Log.v(TAG, "Destroying service " + s);
3031                s.onDestroy();
3032                Context context = s.getBaseContext();
3033                if (context instanceof ContextImpl) {
3034                    final String who = s.getClassName();
3035                    ((ContextImpl) context).scheduleFinalCleanup(who, "Service");
3036                }
3037                try {
3038                    ActivityManagerNative.getDefault().serviceDoneExecuting(
3039                            token, 0, 0, 0);
3040                } catch (RemoteException e) {
3041                    // nothing to do.
3042                }
3043            } catch (Exception e) {
3044                if (!mInstrumentation.onException(s, e)) {
3045                    throw new RuntimeException(
3046                            "Unable to stop service " + s
3047                            + ": " + e.toString(), e);
3048                }
3049            }
3050        }
3051        //Log.i(TAG, "Running services: " + mServices);
3052    }
3053
3054    public final ActivityRecord performResumeActivity(IBinder token,
3055            boolean clearHide) {
3056        ActivityRecord r = mActivities.get(token);
3057        if (localLOGV) Log.v(TAG, "Performing resume of " + r
3058                + " finished=" + r.activity.mFinished);
3059        if (r != null && !r.activity.mFinished) {
3060            if (clearHide) {
3061                r.hideForNow = false;
3062                r.activity.mStartedActivity = false;
3063            }
3064            try {
3065                if (r.pendingIntents != null) {
3066                    deliverNewIntents(r, r.pendingIntents);
3067                    r.pendingIntents = null;
3068                }
3069                if (r.pendingResults != null) {
3070                    deliverResults(r, r.pendingResults);
3071                    r.pendingResults = null;
3072                }
3073                r.activity.performResume();
3074
3075                EventLog.writeEvent(LOG_ON_RESUME_CALLED,
3076                        r.activity.getComponentName().getClassName());
3077
3078                r.paused = false;
3079                r.stopped = false;
3080                if (r.activity.mStartedActivity) {
3081                    r.hideForNow = true;
3082                }
3083                r.state = null;
3084            } catch (Exception e) {
3085                if (!mInstrumentation.onException(r.activity, e)) {
3086                    throw new RuntimeException(
3087                        "Unable to resume activity "
3088                        + r.intent.getComponent().toShortString()
3089                        + ": " + e.toString(), e);
3090                }
3091            }
3092        }
3093        return r;
3094    }
3095
3096    final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) {
3097        // If we are getting ready to gc after going to the background, well
3098        // we are back active so skip it.
3099        unscheduleGcIdler();
3100
3101        ActivityRecord r = performResumeActivity(token, clearHide);
3102
3103        if (r != null) {
3104            final Activity a = r.activity;
3105
3106            if (localLOGV) Log.v(
3107                TAG, "Resume " + r + " started activity: " +
3108                a.mStartedActivity + ", hideForNow: " + r.hideForNow
3109                + ", finished: " + a.mFinished);
3110
3111            final int forwardBit = isForward ?
3112                    WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0;
3113
3114            // If the window hasn't yet been added to the window manager,
3115            // and this guy didn't finish itself or start another activity,
3116            // then go ahead and add the window.
3117            if (r.window == null && !a.mFinished && !a.mStartedActivity) {
3118                r.window = r.activity.getWindow();
3119                View decor = r.window.getDecorView();
3120                decor.setVisibility(View.INVISIBLE);
3121                ViewManager wm = a.getWindowManager();
3122                WindowManager.LayoutParams l = r.window.getAttributes();
3123                a.mDecor = decor;
3124                l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
3125                l.softInputMode |= forwardBit;
3126                if (a.mVisibleFromClient) {
3127                    a.mWindowAdded = true;
3128                    wm.addView(decor, l);
3129                }
3130
3131            // If the window has already been added, but during resume
3132            // we started another activity, then don't yet make the
3133            // window visisble.
3134            } else if (a.mStartedActivity) {
3135                if (localLOGV) Log.v(
3136                    TAG, "Launch " + r + " mStartedActivity set");
3137                r.hideForNow = true;
3138            }
3139
3140            // The window is now visible if it has been added, we are not
3141            // simply finishing, and we are not starting another activity.
3142            if (!r.activity.mFinished && !a.mStartedActivity
3143                    && r.activity.mDecor != null && !r.hideForNow) {
3144                if (r.newConfig != null) {
3145                    if (DEBUG_CONFIGURATION) Log.v(TAG, "Resuming activity "
3146                            + r.activityInfo.name + " with newConfig " + r.newConfig);
3147                    performConfigurationChanged(r.activity, r.newConfig);
3148                    r.newConfig = null;
3149                }
3150                if (localLOGV) Log.v(TAG, "Resuming " + r + " with isForward="
3151                        + isForward);
3152                WindowManager.LayoutParams l = r.window.getAttributes();
3153                if ((l.softInputMode
3154                        & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)
3155                        != forwardBit) {
3156                    l.softInputMode = (l.softInputMode
3157                            & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION))
3158                            | forwardBit;
3159                    if (r.activity.mVisibleFromClient) {
3160                        ViewManager wm = a.getWindowManager();
3161                        View decor = r.window.getDecorView();
3162                        wm.updateViewLayout(decor, l);
3163                    }
3164                }
3165                r.activity.mVisibleFromServer = true;
3166                mNumVisibleActivities++;
3167                if (r.activity.mVisibleFromClient) {
3168                    r.activity.makeVisible();
3169                }
3170            }
3171
3172            r.nextIdle = mNewActivities;
3173            mNewActivities = r;
3174            if (localLOGV) Log.v(
3175                TAG, "Scheduling idle handler for " + r);
3176            Looper.myQueue().addIdleHandler(new Idler());
3177
3178        } else {
3179            // If an exception was thrown when trying to resume, then
3180            // just end this activity.
3181            try {
3182                ActivityManagerNative.getDefault()
3183                    .finishActivity(token, Activity.RESULT_CANCELED, null);
3184            } catch (RemoteException ex) {
3185            }
3186        }
3187    }
3188
3189    private int mThumbnailWidth = -1;
3190    private int mThumbnailHeight = -1;
3191
3192    private final Bitmap createThumbnailBitmap(ActivityRecord r) {
3193        Bitmap thumbnail = null;
3194        try {
3195            int w = mThumbnailWidth;
3196            int h;
3197            if (w < 0) {
3198                Resources res = r.activity.getResources();
3199                mThumbnailHeight = h =
3200                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
3201
3202                mThumbnailWidth = w =
3203                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
3204            } else {
3205                h = mThumbnailHeight;
3206            }
3207
3208            // XXX Only set hasAlpha if needed?
3209            thumbnail = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
3210            thumbnail.eraseColor(0);
3211            Canvas cv = new Canvas(thumbnail);
3212            if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
3213                thumbnail = null;
3214            }
3215        } catch (Exception e) {
3216            if (!mInstrumentation.onException(r.activity, e)) {
3217                throw new RuntimeException(
3218                        "Unable to create thumbnail of "
3219                        + r.intent.getComponent().toShortString()
3220                        + ": " + e.toString(), e);
3221            }
3222            thumbnail = null;
3223        }
3224
3225        return thumbnail;
3226    }
3227
3228    private final void handlePauseActivity(IBinder token, boolean finished,
3229            boolean userLeaving, int configChanges) {
3230        ActivityRecord r = mActivities.get(token);
3231        if (r != null) {
3232            //Log.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r);
3233            if (userLeaving) {
3234                performUserLeavingActivity(r);
3235            }
3236
3237            r.activity.mConfigChangeFlags |= configChanges;
3238            Bundle state = performPauseActivity(token, finished, true);
3239
3240            // Tell the activity manager we have paused.
3241            try {
3242                ActivityManagerNative.getDefault().activityPaused(token, state);
3243            } catch (RemoteException ex) {
3244            }
3245        }
3246    }
3247
3248    final void performUserLeavingActivity(ActivityRecord r) {
3249        mInstrumentation.callActivityOnUserLeaving(r.activity);
3250    }
3251
3252    final Bundle performPauseActivity(IBinder token, boolean finished,
3253            boolean saveState) {
3254        ActivityRecord r = mActivities.get(token);
3255        return r != null ? performPauseActivity(r, finished, saveState) : null;
3256    }
3257
3258    final Bundle performPauseActivity(ActivityRecord r, boolean finished,
3259            boolean saveState) {
3260        if (r.paused) {
3261            if (r.activity.mFinished) {
3262                // If we are finishing, we won't call onResume() in certain cases.
3263                // So here we likewise don't want to call onPause() if the activity
3264                // isn't resumed.
3265                return null;
3266            }
3267            RuntimeException e = new RuntimeException(
3268                    "Performing pause of activity that is not resumed: "
3269                    + r.intent.getComponent().toShortString());
3270            Log.e(TAG, e.getMessage(), e);
3271        }
3272        Bundle state = null;
3273        if (finished) {
3274            r.activity.mFinished = true;
3275        }
3276        try {
3277            // Next have the activity save its current state and managed dialogs...
3278            if (!r.activity.mFinished && saveState) {
3279                state = new Bundle();
3280                mInstrumentation.callActivityOnSaveInstanceState(r.activity, state);
3281                r.state = state;
3282            }
3283            // Now we are idle.
3284            r.activity.mCalled = false;
3285            mInstrumentation.callActivityOnPause(r.activity);
3286            EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName());
3287            if (!r.activity.mCalled) {
3288                throw new SuperNotCalledException(
3289                    "Activity " + r.intent.getComponent().toShortString() +
3290                    " did not call through to super.onPause()");
3291            }
3292
3293        } catch (SuperNotCalledException e) {
3294            throw e;
3295
3296        } catch (Exception e) {
3297            if (!mInstrumentation.onException(r.activity, e)) {
3298                throw new RuntimeException(
3299                        "Unable to pause activity "
3300                        + r.intent.getComponent().toShortString()
3301                        + ": " + e.toString(), e);
3302            }
3303        }
3304        r.paused = true;
3305        return state;
3306    }
3307
3308    final void performStopActivity(IBinder token) {
3309        ActivityRecord r = mActivities.get(token);
3310        performStopActivityInner(r, null, false);
3311    }
3312
3313    private static class StopInfo {
3314        Bitmap thumbnail;
3315        CharSequence description;
3316    }
3317
3318    private final class ProviderRefCount {
3319        public int count;
3320        ProviderRefCount(int pCount) {
3321            count = pCount;
3322        }
3323    }
3324
3325    private final void performStopActivityInner(ActivityRecord r,
3326            StopInfo info, boolean keepShown) {
3327        if (localLOGV) Log.v(TAG, "Performing stop of " + r);
3328        if (r != null) {
3329            if (!keepShown && r.stopped) {
3330                if (r.activity.mFinished) {
3331                    // If we are finishing, we won't call onResume() in certain
3332                    // cases.  So here we likewise don't want to call onStop()
3333                    // if the activity isn't resumed.
3334                    return;
3335                }
3336                RuntimeException e = new RuntimeException(
3337                        "Performing stop of activity that is not resumed: "
3338                        + r.intent.getComponent().toShortString());
3339                Log.e(TAG, e.getMessage(), e);
3340            }
3341
3342            if (info != null) {
3343                try {
3344                    // First create a thumbnail for the activity...
3345                    //info.thumbnail = createThumbnailBitmap(r);
3346                    info.description = r.activity.onCreateDescription();
3347                } catch (Exception e) {
3348                    if (!mInstrumentation.onException(r.activity, e)) {
3349                        throw new RuntimeException(
3350                                "Unable to save state of activity "
3351                                + r.intent.getComponent().toShortString()
3352                                + ": " + e.toString(), e);
3353                    }
3354                }
3355            }
3356
3357            if (!keepShown) {
3358                try {
3359                    // Now we are idle.
3360                    r.activity.performStop();
3361                } catch (Exception e) {
3362                    if (!mInstrumentation.onException(r.activity, e)) {
3363                        throw new RuntimeException(
3364                                "Unable to stop activity "
3365                                + r.intent.getComponent().toShortString()
3366                                + ": " + e.toString(), e);
3367                    }
3368                }
3369                r.stopped = true;
3370            }
3371
3372            r.paused = true;
3373        }
3374    }
3375
3376    private final void updateVisibility(ActivityRecord r, boolean show) {
3377        View v = r.activity.mDecor;
3378        if (v != null) {
3379            if (show) {
3380                if (!r.activity.mVisibleFromServer) {
3381                    r.activity.mVisibleFromServer = true;
3382                    mNumVisibleActivities++;
3383                    if (r.activity.mVisibleFromClient) {
3384                        r.activity.makeVisible();
3385                    }
3386                }
3387                if (r.newConfig != null) {
3388                    if (DEBUG_CONFIGURATION) Log.v(TAG, "Updating activity vis "
3389                            + r.activityInfo.name + " with new config " + r.newConfig);
3390                    performConfigurationChanged(r.activity, r.newConfig);
3391                    r.newConfig = null;
3392                }
3393            } else {
3394                if (r.activity.mVisibleFromServer) {
3395                    r.activity.mVisibleFromServer = false;
3396                    mNumVisibleActivities--;
3397                    v.setVisibility(View.INVISIBLE);
3398                }
3399            }
3400        }
3401    }
3402
3403    private final void handleStopActivity(IBinder token, boolean show, int configChanges) {
3404        ActivityRecord r = mActivities.get(token);
3405        r.activity.mConfigChangeFlags |= configChanges;
3406
3407        StopInfo info = new StopInfo();
3408        performStopActivityInner(r, info, show);
3409
3410        if (localLOGV) Log.v(
3411            TAG, "Finishing stop of " + r + ": show=" + show
3412            + " win=" + r.window);
3413
3414        updateVisibility(r, show);
3415
3416        // Tell activity manager we have been stopped.
3417        try {
3418            ActivityManagerNative.getDefault().activityStopped(
3419                r.token, info.thumbnail, info.description);
3420        } catch (RemoteException ex) {
3421        }
3422    }
3423
3424    final void performRestartActivity(IBinder token) {
3425        ActivityRecord r = mActivities.get(token);
3426        if (r.stopped) {
3427            r.activity.performRestart();
3428            r.stopped = false;
3429        }
3430    }
3431
3432    private final void handleWindowVisibility(IBinder token, boolean show) {
3433        ActivityRecord r = mActivities.get(token);
3434        if (!show && !r.stopped) {
3435            performStopActivityInner(r, null, show);
3436        } else if (show && r.stopped) {
3437            // If we are getting ready to gc after going to the background, well
3438            // we are back active so skip it.
3439            unscheduleGcIdler();
3440
3441            r.activity.performRestart();
3442            r.stopped = false;
3443        }
3444        if (r.activity.mDecor != null) {
3445            if (Config.LOGV) Log.v(
3446                TAG, "Handle window " + r + " visibility: " + show);
3447            updateVisibility(r, show);
3448        }
3449    }
3450
3451    private final void deliverResults(ActivityRecord r, List<ResultInfo> results) {
3452        final int N = results.size();
3453        for (int i=0; i<N; i++) {
3454            ResultInfo ri = results.get(i);
3455            try {
3456                if (ri.mData != null) {
3457                    ri.mData.setExtrasClassLoader(r.activity.getClassLoader());
3458                }
3459                if (DEBUG_RESULTS) Log.v(TAG,
3460                        "Delivering result to activity " + r + " : " + ri);
3461                r.activity.dispatchActivityResult(ri.mResultWho,
3462                        ri.mRequestCode, ri.mResultCode, ri.mData);
3463            } catch (Exception e) {
3464                if (!mInstrumentation.onException(r.activity, e)) {
3465                    throw new RuntimeException(
3466                            "Failure delivering result " + ri + " to activity "
3467                            + r.intent.getComponent().toShortString()
3468                            + ": " + e.toString(), e);
3469                }
3470            }
3471        }
3472    }
3473
3474    private final void handleSendResult(ResultData res) {
3475        ActivityRecord r = mActivities.get(res.token);
3476        if (DEBUG_RESULTS) Log.v(TAG, "Handling send result to " + r);
3477        if (r != null) {
3478            final boolean resumed = !r.paused;
3479            if (!r.activity.mFinished && r.activity.mDecor != null
3480                    && r.hideForNow && resumed) {
3481                // We had hidden the activity because it started another
3482                // one...  we have gotten a result back and we are not
3483                // paused, so make sure our window is visible.
3484                updateVisibility(r, true);
3485            }
3486            if (resumed) {
3487                try {
3488                    // Now we are idle.
3489                    r.activity.mCalled = false;
3490                    mInstrumentation.callActivityOnPause(r.activity);
3491                    if (!r.activity.mCalled) {
3492                        throw new SuperNotCalledException(
3493                            "Activity " + r.intent.getComponent().toShortString()
3494                            + " did not call through to super.onPause()");
3495                    }
3496                } catch (SuperNotCalledException e) {
3497                    throw e;
3498                } catch (Exception e) {
3499                    if (!mInstrumentation.onException(r.activity, e)) {
3500                        throw new RuntimeException(
3501                                "Unable to pause activity "
3502                                + r.intent.getComponent().toShortString()
3503                                + ": " + e.toString(), e);
3504                    }
3505                }
3506            }
3507            deliverResults(r, res.results);
3508            if (resumed) {
3509                mInstrumentation.callActivityOnResume(r.activity);
3510            }
3511        }
3512    }
3513
3514    public final ActivityRecord performDestroyActivity(IBinder token, boolean finishing) {
3515        return performDestroyActivity(token, finishing, 0, false);
3516    }
3517
3518    private final ActivityRecord performDestroyActivity(IBinder token, boolean finishing,
3519            int configChanges, boolean getNonConfigInstance) {
3520        ActivityRecord r = mActivities.get(token);
3521        if (localLOGV) Log.v(TAG, "Performing finish of " + r);
3522        if (r != null) {
3523            r.activity.mConfigChangeFlags |= configChanges;
3524            if (finishing) {
3525                r.activity.mFinished = true;
3526            }
3527            if (!r.paused) {
3528                try {
3529                    r.activity.mCalled = false;
3530                    mInstrumentation.callActivityOnPause(r.activity);
3531                    EventLog.writeEvent(LOG_ON_PAUSE_CALLED,
3532                            r.activity.getComponentName().getClassName());
3533                    if (!r.activity.mCalled) {
3534                        throw new SuperNotCalledException(
3535                            "Activity " + safeToComponentShortString(r.intent)
3536                            + " did not call through to super.onPause()");
3537                    }
3538                } catch (SuperNotCalledException e) {
3539                    throw e;
3540                } catch (Exception e) {
3541                    if (!mInstrumentation.onException(r.activity, e)) {
3542                        throw new RuntimeException(
3543                                "Unable to pause activity "
3544                                + safeToComponentShortString(r.intent)
3545                                + ": " + e.toString(), e);
3546                    }
3547                }
3548                r.paused = true;
3549            }
3550            if (!r.stopped) {
3551                try {
3552                    r.activity.performStop();
3553                } catch (SuperNotCalledException e) {
3554                    throw e;
3555                } catch (Exception e) {
3556                    if (!mInstrumentation.onException(r.activity, e)) {
3557                        throw new RuntimeException(
3558                                "Unable to stop activity "
3559                                + safeToComponentShortString(r.intent)
3560                                + ": " + e.toString(), e);
3561                    }
3562                }
3563                r.stopped = true;
3564            }
3565            if (getNonConfigInstance) {
3566                try {
3567                    r.lastNonConfigurationInstance
3568                            = r.activity.onRetainNonConfigurationInstance();
3569                } catch (Exception e) {
3570                    if (!mInstrumentation.onException(r.activity, e)) {
3571                        throw new RuntimeException(
3572                                "Unable to retain activity "
3573                                + r.intent.getComponent().toShortString()
3574                                + ": " + e.toString(), e);
3575                    }
3576                }
3577                try {
3578                    r.lastNonConfigurationChildInstances
3579                            = r.activity.onRetainNonConfigurationChildInstances();
3580                } catch (Exception e) {
3581                    if (!mInstrumentation.onException(r.activity, e)) {
3582                        throw new RuntimeException(
3583                                "Unable to retain child activities "
3584                                + safeToComponentShortString(r.intent)
3585                                + ": " + e.toString(), e);
3586                    }
3587                }
3588
3589            }
3590            try {
3591                r.activity.mCalled = false;
3592                r.activity.onDestroy();
3593                if (!r.activity.mCalled) {
3594                    throw new SuperNotCalledException(
3595                        "Activity " + safeToComponentShortString(r.intent) +
3596                        " did not call through to super.onDestroy()");
3597                }
3598                if (r.window != null) {
3599                    r.window.closeAllPanels();
3600                }
3601            } catch (SuperNotCalledException e) {
3602                throw e;
3603            } catch (Exception e) {
3604                if (!mInstrumentation.onException(r.activity, e)) {
3605                    throw new RuntimeException(
3606                            "Unable to destroy activity " + safeToComponentShortString(r.intent)
3607                            + ": " + e.toString(), e);
3608                }
3609            }
3610        }
3611        mActivities.remove(token);
3612
3613        return r;
3614    }
3615
3616    private static String safeToComponentShortString(Intent intent) {
3617        ComponentName component = intent.getComponent();
3618        return component == null ? "[Unknown]" : component.toShortString();
3619    }
3620
3621    private final void handleDestroyActivity(IBinder token, boolean finishing,
3622            int configChanges, boolean getNonConfigInstance) {
3623        ActivityRecord r = performDestroyActivity(token, finishing,
3624                configChanges, getNonConfigInstance);
3625        if (r != null) {
3626            WindowManager wm = r.activity.getWindowManager();
3627            View v = r.activity.mDecor;
3628            if (v != null) {
3629                if (r.activity.mVisibleFromServer) {
3630                    mNumVisibleActivities--;
3631                }
3632                IBinder wtoken = v.getWindowToken();
3633                if (r.activity.mWindowAdded) {
3634                    wm.removeViewImmediate(v);
3635                }
3636                if (wtoken != null) {
3637                    WindowManagerImpl.getDefault().closeAll(wtoken,
3638                            r.activity.getClass().getName(), "Activity");
3639                }
3640                r.activity.mDecor = null;
3641            }
3642            WindowManagerImpl.getDefault().closeAll(token,
3643                    r.activity.getClass().getName(), "Activity");
3644
3645            // Mocked out contexts won't be participating in the normal
3646            // process lifecycle, but if we're running with a proper
3647            // ApplicationContext we need to have it tear down things
3648            // cleanly.
3649            Context c = r.activity.getBaseContext();
3650            if (c instanceof ContextImpl) {
3651                ((ContextImpl) c).scheduleFinalCleanup(
3652                        r.activity.getClass().getName(), "Activity");
3653            }
3654        }
3655        if (finishing) {
3656            try {
3657                ActivityManagerNative.getDefault().activityDestroyed(token);
3658            } catch (RemoteException ex) {
3659                // If the system process has died, it's game over for everyone.
3660            }
3661        }
3662    }
3663
3664    private final void handleRelaunchActivity(ActivityRecord tmp, int configChanges) {
3665        // If we are getting ready to gc after going to the background, well
3666        // we are back active so skip it.
3667        unscheduleGcIdler();
3668
3669        Configuration changedConfig = null;
3670
3671        if (DEBUG_CONFIGURATION) Log.v(TAG, "Relaunching activity "
3672                + tmp.token + " with configChanges=0x"
3673                + Integer.toHexString(configChanges));
3674
3675        // First: make sure we have the most recent configuration and most
3676        // recent version of the activity, or skip it if some previous call
3677        // had taken a more recent version.
3678        synchronized (mPackages) {
3679            int N = mRelaunchingActivities.size();
3680            IBinder token = tmp.token;
3681            tmp = null;
3682            for (int i=0; i<N; i++) {
3683                ActivityRecord r = mRelaunchingActivities.get(i);
3684                if (r.token == token) {
3685                    tmp = r;
3686                    mRelaunchingActivities.remove(i);
3687                    i--;
3688                    N--;
3689                }
3690            }
3691
3692            if (tmp == null) {
3693                if (DEBUG_CONFIGURATION) Log.v(TAG, "Abort, activity not relaunching!");
3694                return;
3695            }
3696
3697            if (mPendingConfiguration != null) {
3698                changedConfig = mPendingConfiguration;
3699                mPendingConfiguration = null;
3700            }
3701        }
3702
3703        if (tmp.createdConfig != null) {
3704            // If the activity manager is passing us its current config,
3705            // assume that is really what we want regardless of what we
3706            // may have pending.
3707            if (mConfiguration == null
3708                    || (tmp.createdConfig.isOtherSeqNewer(mConfiguration)
3709                            && mConfiguration.diff(tmp.createdConfig) != 0)) {
3710                if (changedConfig == null
3711                        || tmp.createdConfig.isOtherSeqNewer(changedConfig)) {
3712                    changedConfig = tmp.createdConfig;
3713                }
3714            }
3715        }
3716
3717        if (DEBUG_CONFIGURATION) Log.v(TAG, "Relaunching activity "
3718                + tmp.token + ": changedConfig=" + changedConfig);
3719
3720        // If there was a pending configuration change, execute it first.
3721        if (changedConfig != null) {
3722            handleConfigurationChanged(changedConfig);
3723        }
3724
3725        ActivityRecord r = mActivities.get(tmp.token);
3726        if (DEBUG_CONFIGURATION) Log.v(TAG, "Handling relaunch of " + r);
3727        if (r == null) {
3728            return;
3729        }
3730
3731        r.activity.mConfigChangeFlags |= configChanges;
3732        Intent currentIntent = r.activity.mIntent;
3733
3734        Bundle savedState = null;
3735        if (!r.paused) {
3736            savedState = performPauseActivity(r.token, false, true);
3737        }
3738
3739        handleDestroyActivity(r.token, false, configChanges, true);
3740
3741        r.activity = null;
3742        r.window = null;
3743        r.hideForNow = false;
3744        r.nextIdle = null;
3745        // Merge any pending results and pending intents; don't just replace them
3746        if (tmp.pendingResults != null) {
3747            if (r.pendingResults == null) {
3748                r.pendingResults = tmp.pendingResults;
3749            } else {
3750                r.pendingResults.addAll(tmp.pendingResults);
3751            }
3752        }
3753        if (tmp.pendingIntents != null) {
3754            if (r.pendingIntents == null) {
3755                r.pendingIntents = tmp.pendingIntents;
3756            } else {
3757                r.pendingIntents.addAll(tmp.pendingIntents);
3758            }
3759        }
3760        r.startsNotResumed = tmp.startsNotResumed;
3761        if (savedState != null) {
3762            r.state = savedState;
3763        }
3764
3765        handleLaunchActivity(r, currentIntent);
3766    }
3767
3768    private final void handleRequestThumbnail(IBinder token) {
3769        ActivityRecord r = mActivities.get(token);
3770        Bitmap thumbnail = createThumbnailBitmap(r);
3771        CharSequence description = null;
3772        try {
3773            description = r.activity.onCreateDescription();
3774        } catch (Exception e) {
3775            if (!mInstrumentation.onException(r.activity, e)) {
3776                throw new RuntimeException(
3777                        "Unable to create description of activity "
3778                        + r.intent.getComponent().toShortString()
3779                        + ": " + e.toString(), e);
3780            }
3781        }
3782        //System.out.println("Reporting top thumbnail " + thumbnail);
3783        try {
3784            ActivityManagerNative.getDefault().reportThumbnail(
3785                token, thumbnail, description);
3786        } catch (RemoteException ex) {
3787        }
3788    }
3789
3790    ArrayList<ComponentCallbacks> collectComponentCallbacksLocked(
3791            boolean allActivities, Configuration newConfig) {
3792        ArrayList<ComponentCallbacks> callbacks
3793                = new ArrayList<ComponentCallbacks>();
3794
3795        if (mActivities.size() > 0) {
3796            Iterator<ActivityRecord> it = mActivities.values().iterator();
3797            while (it.hasNext()) {
3798                ActivityRecord ar = it.next();
3799                Activity a = ar.activity;
3800                if (a != null) {
3801                    if (!ar.activity.mFinished && (allActivities ||
3802                            (a != null && !ar.paused))) {
3803                        // If the activity is currently resumed, its configuration
3804                        // needs to change right now.
3805                        callbacks.add(a);
3806                    } else if (newConfig != null) {
3807                        // Otherwise, we will tell it about the change
3808                        // the next time it is resumed or shown.  Note that
3809                        // the activity manager may, before then, decide the
3810                        // activity needs to be destroyed to handle its new
3811                        // configuration.
3812                        if (DEBUG_CONFIGURATION) Log.v(TAG, "Setting activity "
3813                                + ar.activityInfo.name + " newConfig=" + newConfig);
3814                        ar.newConfig = newConfig;
3815                    }
3816                }
3817            }
3818        }
3819        if (mServices.size() > 0) {
3820            Iterator<Service> it = mServices.values().iterator();
3821            while (it.hasNext()) {
3822                callbacks.add(it.next());
3823            }
3824        }
3825        synchronized (mProviderMap) {
3826            if (mLocalProviders.size() > 0) {
3827                Iterator<ProviderRecord> it = mLocalProviders.values().iterator();
3828                while (it.hasNext()) {
3829                    callbacks.add(it.next().mLocalProvider);
3830                }
3831            }
3832        }
3833        final int N = mAllApplications.size();
3834        for (int i=0; i<N; i++) {
3835            callbacks.add(mAllApplications.get(i));
3836        }
3837
3838        return callbacks;
3839    }
3840
3841    private final void performConfigurationChanged(
3842            ComponentCallbacks cb, Configuration config) {
3843        // Only for Activity objects, check that they actually call up to their
3844        // superclass implementation.  ComponentCallbacks is an interface, so
3845        // we check the runtime type and act accordingly.
3846        Activity activity = (cb instanceof Activity) ? (Activity) cb : null;
3847        if (activity != null) {
3848            activity.mCalled = false;
3849        }
3850
3851        boolean shouldChangeConfig = false;
3852        if ((activity == null) || (activity.mCurrentConfig == null)) {
3853            shouldChangeConfig = true;
3854        } else {
3855
3856            // If the new config is the same as the config this Activity
3857            // is already running with then don't bother calling
3858            // onConfigurationChanged
3859            int diff = activity.mCurrentConfig.diff(config);
3860            if (diff != 0) {
3861
3862                // If this activity doesn't handle any of the config changes
3863                // then don't bother calling onConfigurationChanged as we're
3864                // going to destroy it.
3865                if ((~activity.mActivityInfo.configChanges & diff) == 0) {
3866                    shouldChangeConfig = true;
3867                }
3868            }
3869        }
3870
3871        if (DEBUG_CONFIGURATION) Log.v(TAG, "Config callback " + cb
3872                + ": shouldChangeConfig=" + shouldChangeConfig);
3873        if (shouldChangeConfig) {
3874            cb.onConfigurationChanged(config);
3875
3876            if (activity != null) {
3877                if (!activity.mCalled) {
3878                    throw new SuperNotCalledException(
3879                            "Activity " + activity.getLocalClassName() +
3880                        " did not call through to super.onConfigurationChanged()");
3881                }
3882                activity.mConfigChangeFlags = 0;
3883                activity.mCurrentConfig = new Configuration(config);
3884            }
3885        }
3886    }
3887
3888    final void applyConfigurationToResourcesLocked(Configuration config) {
3889        if (mResConfiguration == null) {
3890            mResConfiguration = new Configuration();
3891        }
3892        if (!mResConfiguration.isOtherSeqNewer(config)) {
3893            return;
3894        }
3895        mResConfiguration.updateFrom(config);
3896        DisplayMetrics dm = getDisplayMetricsLocked(true);
3897
3898        // set it for java, this also affects newly created Resources
3899        if (config.locale != null) {
3900            Locale.setDefault(config.locale);
3901        }
3902
3903        Resources.updateSystemConfiguration(config, dm);
3904
3905        ContextImpl.ApplicationPackageManager.configurationChanged();
3906        //Log.i(TAG, "Configuration changed in " + currentPackageName());
3907
3908        Iterator<WeakReference<Resources>> it =
3909            mActiveResources.values().iterator();
3910        //Iterator<Map.Entry<String, WeakReference<Resources>>> it =
3911        //    mActiveResources.entrySet().iterator();
3912        while (it.hasNext()) {
3913            WeakReference<Resources> v = it.next();
3914            Resources r = v.get();
3915            if (r != null) {
3916                r.updateConfiguration(config, dm);
3917                //Log.i(TAG, "Updated app resources " + v.getKey()
3918                //        + " " + r + ": " + r.getConfiguration());
3919            } else {
3920                //Log.i(TAG, "Removing old resources " + v.getKey());
3921                it.remove();
3922            }
3923        }
3924    }
3925
3926    final void handleConfigurationChanged(Configuration config) {
3927
3928        ArrayList<ComponentCallbacks> callbacks = null;
3929
3930        synchronized (mPackages) {
3931            if (mPendingConfiguration != null) {
3932                if (!mPendingConfiguration.isOtherSeqNewer(config)) {
3933                    config = mPendingConfiguration;
3934                }
3935                mPendingConfiguration = null;
3936            }
3937
3938            if (config == null) {
3939                return;
3940            }
3941
3942            if (DEBUG_CONFIGURATION) Log.v(TAG, "Handle configuration changed: "
3943                    + config);
3944
3945            applyConfigurationToResourcesLocked(config);
3946
3947            if (mConfiguration == null) {
3948                mConfiguration = new Configuration();
3949            }
3950            if (!mConfiguration.isOtherSeqNewer(config)) {
3951                return;
3952            }
3953            mConfiguration.updateFrom(config);
3954
3955            callbacks = collectComponentCallbacksLocked(false, config);
3956        }
3957
3958        if (callbacks != null) {
3959            final int N = callbacks.size();
3960            for (int i=0; i<N; i++) {
3961                performConfigurationChanged(callbacks.get(i), config);
3962            }
3963        }
3964    }
3965
3966    final void handleActivityConfigurationChanged(IBinder token) {
3967        ActivityRecord r = mActivities.get(token);
3968        if (r == null || r.activity == null) {
3969            return;
3970        }
3971
3972        if (DEBUG_CONFIGURATION) Log.v(TAG, "Handle activity config changed: "
3973                + r.activityInfo.name);
3974
3975        performConfigurationChanged(r.activity, mConfiguration);
3976    }
3977
3978    final void handleProfilerControl(boolean start, ProfilerControlData pcd) {
3979        if (start) {
3980            try {
3981                Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(),
3982                        8 * 1024 * 1024, 0);
3983            } catch (RuntimeException e) {
3984                Log.w(TAG, "Profiling failed on path " + pcd.path
3985                        + " -- can the process access this path?");
3986            } finally {
3987                try {
3988                    pcd.fd.close();
3989                } catch (IOException e) {
3990                    Log.w(TAG, "Failure closing profile fd", e);
3991                }
3992            }
3993        } else {
3994            Debug.stopMethodTracing();
3995        }
3996    }
3997
3998    final void handleLowMemory() {
3999        ArrayList<ComponentCallbacks> callbacks
4000                = new ArrayList<ComponentCallbacks>();
4001
4002        synchronized (mPackages) {
4003            callbacks = collectComponentCallbacksLocked(true, null);
4004        }
4005
4006        final int N = callbacks.size();
4007        for (int i=0; i<N; i++) {
4008            callbacks.get(i).onLowMemory();
4009        }
4010
4011        // Ask SQLite to free up as much memory as it can, mostly from its page caches.
4012        if (Process.myUid() != Process.SYSTEM_UID) {
4013            int sqliteReleased = SQLiteDatabase.releaseMemory();
4014            EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased);
4015        }
4016
4017        // Ask graphics to free up as much as possible (font/image caches)
4018        Canvas.freeCaches();
4019
4020        BinderInternal.forceGc("mem");
4021    }
4022
4023    private final void handleBindApplication(AppBindData data) {
4024        mBoundApplication = data;
4025        mConfiguration = new Configuration(data.config);
4026
4027        // send up app name; do this *before* waiting for debugger
4028        Process.setArgV0(data.processName);
4029        android.ddm.DdmHandleAppName.setAppName(data.processName);
4030
4031        /*
4032         * Before spawning a new process, reset the time zone to be the system time zone.
4033         * This needs to be done because the system time zone could have changed after the
4034         * the spawning of this process. Without doing this this process would have the incorrect
4035         * system time zone.
4036         */
4037        TimeZone.setDefault(null);
4038
4039        /*
4040         * Initialize the default locale in this process for the reasons we set the time zone.
4041         */
4042        Locale.setDefault(data.config.locale);
4043
4044        /*
4045         * Update the system configuration since its preloaded and might not
4046         * reflect configuration changes. The configuration object passed
4047         * in AppBindData can be safely assumed to be up to date
4048         */
4049        Resources.getSystem().updateConfiguration(mConfiguration, null);
4050
4051        data.info = getPackageInfoNoCheck(data.appInfo);
4052
4053        /**
4054         * Switch this process to density compatibility mode if needed.
4055         */
4056        if ((data.appInfo.flags&ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES)
4057                == 0) {
4058            Bitmap.setDefaultDensity(DisplayMetrics.DENSITY_DEFAULT);
4059        }
4060
4061        if (data.debugMode != IApplicationThread.DEBUG_OFF) {
4062            // XXX should have option to change the port.
4063            Debug.changeDebugPort(8100);
4064            if (data.debugMode == IApplicationThread.DEBUG_WAIT) {
4065                Log.w(TAG, "Application " + data.info.getPackageName()
4066                      + " is waiting for the debugger on port 8100...");
4067
4068                IActivityManager mgr = ActivityManagerNative.getDefault();
4069                try {
4070                    mgr.showWaitingForDebugger(mAppThread, true);
4071                } catch (RemoteException ex) {
4072                }
4073
4074                Debug.waitForDebugger();
4075
4076                try {
4077                    mgr.showWaitingForDebugger(mAppThread, false);
4078                } catch (RemoteException ex) {
4079                }
4080
4081            } else {
4082                Log.w(TAG, "Application " + data.info.getPackageName()
4083                      + " can be debugged on port 8100...");
4084            }
4085        }
4086
4087        if (data.instrumentationName != null) {
4088            ContextImpl appContext = new ContextImpl();
4089            appContext.init(data.info, null, this);
4090            InstrumentationInfo ii = null;
4091            try {
4092                ii = appContext.getPackageManager().
4093                    getInstrumentationInfo(data.instrumentationName, 0);
4094            } catch (PackageManager.NameNotFoundException e) {
4095            }
4096            if (ii == null) {
4097                throw new RuntimeException(
4098                    "Unable to find instrumentation info for: "
4099                    + data.instrumentationName);
4100            }
4101
4102            mInstrumentationAppDir = ii.sourceDir;
4103            mInstrumentationAppPackage = ii.packageName;
4104            mInstrumentedAppDir = data.info.getAppDir();
4105
4106            ApplicationInfo instrApp = new ApplicationInfo();
4107            instrApp.packageName = ii.packageName;
4108            instrApp.sourceDir = ii.sourceDir;
4109            instrApp.publicSourceDir = ii.publicSourceDir;
4110            instrApp.dataDir = ii.dataDir;
4111            PackageInfo pi = getPackageInfo(instrApp,
4112                    appContext.getClassLoader(), false, true);
4113            ContextImpl instrContext = new ContextImpl();
4114            instrContext.init(pi, null, this);
4115
4116            try {
4117                java.lang.ClassLoader cl = instrContext.getClassLoader();
4118                mInstrumentation = (Instrumentation)
4119                    cl.loadClass(data.instrumentationName.getClassName()).newInstance();
4120            } catch (Exception e) {
4121                throw new RuntimeException(
4122                    "Unable to instantiate instrumentation "
4123                    + data.instrumentationName + ": " + e.toString(), e);
4124            }
4125
4126            mInstrumentation.init(this, instrContext, appContext,
4127                    new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher);
4128
4129            if (data.profileFile != null && !ii.handleProfiling) {
4130                data.handlingProfiling = true;
4131                File file = new File(data.profileFile);
4132                file.getParentFile().mkdirs();
4133                Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
4134            }
4135
4136            try {
4137                mInstrumentation.onCreate(data.instrumentationArgs);
4138            }
4139            catch (Exception e) {
4140                throw new RuntimeException(
4141                    "Exception thrown in onCreate() of "
4142                    + data.instrumentationName + ": " + e.toString(), e);
4143            }
4144
4145        } else {
4146            mInstrumentation = new Instrumentation();
4147        }
4148
4149        // If the app is being launched for full backup or restore, bring it up in
4150        // a restricted environment with the base application class.
4151        Application app = data.info.makeApplication(data.restrictedBackupMode, null);
4152        mInitialApplication = app;
4153
4154        List<ProviderInfo> providers = data.providers;
4155        if (providers != null) {
4156            installContentProviders(app, providers);
4157            // For process that contain content providers, we want to
4158            // ensure that the JIT is enabled "at some point".
4159            mH.sendEmptyMessageDelayed(H.ENABLE_JIT, 10*1000);
4160        }
4161
4162        try {
4163            mInstrumentation.callApplicationOnCreate(app);
4164        } catch (Exception e) {
4165            if (!mInstrumentation.onException(app, e)) {
4166                throw new RuntimeException(
4167                    "Unable to create application " + app.getClass().getName()
4168                    + ": " + e.toString(), e);
4169            }
4170        }
4171    }
4172
4173    /*package*/ final void finishInstrumentation(int resultCode, Bundle results) {
4174        IActivityManager am = ActivityManagerNative.getDefault();
4175        if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) {
4176            Debug.stopMethodTracing();
4177        }
4178        //Log.i(TAG, "am: " + ActivityManagerNative.getDefault()
4179        //      + ", app thr: " + mAppThread);
4180        try {
4181            am.finishInstrumentation(mAppThread, resultCode, results);
4182        } catch (RemoteException ex) {
4183        }
4184    }
4185
4186    private final void installContentProviders(
4187            Context context, List<ProviderInfo> providers) {
4188        final ArrayList<IActivityManager.ContentProviderHolder> results =
4189            new ArrayList<IActivityManager.ContentProviderHolder>();
4190
4191        Iterator<ProviderInfo> i = providers.iterator();
4192        while (i.hasNext()) {
4193            ProviderInfo cpi = i.next();
4194            StringBuilder buf = new StringBuilder(128);
4195            buf.append("Publishing provider ");
4196            buf.append(cpi.authority);
4197            buf.append(": ");
4198            buf.append(cpi.name);
4199            Log.i(TAG, buf.toString());
4200            IContentProvider cp = installProvider(context, null, cpi, false);
4201            if (cp != null) {
4202                IActivityManager.ContentProviderHolder cph =
4203                    new IActivityManager.ContentProviderHolder(cpi);
4204                cph.provider = cp;
4205                results.add(cph);
4206                // Don't ever unload this provider from the process.
4207                synchronized(mProviderMap) {
4208                    mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000));
4209                }
4210            }
4211        }
4212
4213        try {
4214            ActivityManagerNative.getDefault().publishContentProviders(
4215                getApplicationThread(), results);
4216        } catch (RemoteException ex) {
4217        }
4218    }
4219
4220    private final IContentProvider getProvider(Context context, String name) {
4221        synchronized(mProviderMap) {
4222            final ProviderRecord pr = mProviderMap.get(name);
4223            if (pr != null) {
4224                return pr.mProvider;
4225            }
4226        }
4227
4228        IActivityManager.ContentProviderHolder holder = null;
4229        try {
4230            holder = ActivityManagerNative.getDefault().getContentProvider(
4231                getApplicationThread(), name);
4232        } catch (RemoteException ex) {
4233        }
4234        if (holder == null) {
4235            Log.e(TAG, "Failed to find provider info for " + name);
4236            return null;
4237        }
4238        if (holder.permissionFailure != null) {
4239            throw new SecurityException("Permission " + holder.permissionFailure
4240                    + " required for provider " + name);
4241        }
4242
4243        IContentProvider prov = installProvider(context, holder.provider,
4244                holder.info, true);
4245        //Log.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded);
4246        if (holder.noReleaseNeeded || holder.provider == null) {
4247            // We are not going to release the provider if it is an external
4248            // provider that doesn't care about being released, or if it is
4249            // a local provider running in this process.
4250            //Log.i(TAG, "*** NO RELEASE NEEDED");
4251            synchronized(mProviderMap) {
4252                mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000));
4253            }
4254        }
4255        return prov;
4256    }
4257
4258    public final IContentProvider acquireProvider(Context c, String name) {
4259        IContentProvider provider = getProvider(c, name);
4260        if(provider == null)
4261            return null;
4262        IBinder jBinder = provider.asBinder();
4263        synchronized(mProviderMap) {
4264            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4265            if(prc == null) {
4266                mProviderRefCountMap.put(jBinder, new ProviderRefCount(1));
4267            } else {
4268                prc.count++;
4269            } //end else
4270        } //end synchronized
4271        return provider;
4272    }
4273
4274    public final boolean releaseProvider(IContentProvider provider) {
4275        if(provider == null) {
4276            return false;
4277        }
4278        IBinder jBinder = provider.asBinder();
4279        synchronized(mProviderMap) {
4280            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4281            if(prc == null) {
4282                if(localLOGV) Log.v(TAG, "releaseProvider::Weird shouldnt be here");
4283                return false;
4284            } else {
4285                prc.count--;
4286                if(prc.count == 0) {
4287                    // Schedule the actual remove asynchronously, since we
4288                    // don't know the context this will be called in.
4289                    // TODO: it would be nice to post a delayed message, so
4290                    // if we come back and need the same provider quickly
4291                    // we will still have it available.
4292                    Message msg = mH.obtainMessage(H.REMOVE_PROVIDER, provider);
4293                    mH.sendMessage(msg);
4294                } //end if
4295            } //end else
4296        } //end synchronized
4297        return true;
4298    }
4299
4300    final void completeRemoveProvider(IContentProvider provider) {
4301        IBinder jBinder = provider.asBinder();
4302        String name = null;
4303        synchronized(mProviderMap) {
4304            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4305            if(prc != null && prc.count == 0) {
4306                mProviderRefCountMap.remove(jBinder);
4307                //invoke removeProvider to dereference provider
4308                name = removeProviderLocked(provider);
4309            }
4310        }
4311
4312        if (name != null) {
4313            try {
4314                if(localLOGV) Log.v(TAG, "removeProvider::Invoking " +
4315                        "ActivityManagerNative.removeContentProvider(" + name);
4316                ActivityManagerNative.getDefault().removeContentProvider(
4317                        getApplicationThread(), name);
4318            } catch (RemoteException e) {
4319                //do nothing content provider object is dead any way
4320            } //end catch
4321        }
4322    }
4323
4324    public final String removeProviderLocked(IContentProvider provider) {
4325        if (provider == null) {
4326            return null;
4327        }
4328        IBinder providerBinder = provider.asBinder();
4329
4330        String name = null;
4331
4332        // remove the provider from mProviderMap
4333        Iterator<ProviderRecord> iter = mProviderMap.values().iterator();
4334        while (iter.hasNext()) {
4335            ProviderRecord pr = iter.next();
4336            IBinder myBinder = pr.mProvider.asBinder();
4337            if (myBinder == providerBinder) {
4338                //find if its published by this process itself
4339                if(pr.mLocalProvider != null) {
4340                    if(localLOGV) Log.i(TAG, "removeProvider::found local provider returning");
4341                    return name;
4342                }
4343                if(localLOGV) Log.v(TAG, "removeProvider::Not local provider Unlinking " +
4344                        "death recipient");
4345                //content provider is in another process
4346                myBinder.unlinkToDeath(pr, 0);
4347                iter.remove();
4348                //invoke remove only once for the very first name seen
4349                if(name == null) {
4350                    name = pr.mName;
4351                }
4352            } //end if myBinder
4353        }  //end while iter
4354
4355        return name;
4356    }
4357
4358    final void removeDeadProvider(String name, IContentProvider provider) {
4359        synchronized(mProviderMap) {
4360            ProviderRecord pr = mProviderMap.get(name);
4361            if (pr.mProvider.asBinder() == provider.asBinder()) {
4362                Log.i(TAG, "Removing dead content provider: " + name);
4363                ProviderRecord removed = mProviderMap.remove(name);
4364                if (removed != null) {
4365                    removed.mProvider.asBinder().unlinkToDeath(removed, 0);
4366                }
4367            }
4368        }
4369    }
4370
4371    final void removeDeadProviderLocked(String name, IContentProvider provider) {
4372        ProviderRecord pr = mProviderMap.get(name);
4373        if (pr.mProvider.asBinder() == provider.asBinder()) {
4374            Log.i(TAG, "Removing dead content provider: " + name);
4375            ProviderRecord removed = mProviderMap.remove(name);
4376            if (removed != null) {
4377                removed.mProvider.asBinder().unlinkToDeath(removed, 0);
4378            }
4379        }
4380    }
4381
4382    private final IContentProvider installProvider(Context context,
4383            IContentProvider provider, ProviderInfo info, boolean noisy) {
4384        ContentProvider localProvider = null;
4385        if (provider == null) {
4386            if (noisy) {
4387                Log.d(TAG, "Loading provider " + info.authority + ": "
4388                        + info.name);
4389            }
4390            Context c = null;
4391            ApplicationInfo ai = info.applicationInfo;
4392            if (context.getPackageName().equals(ai.packageName)) {
4393                c = context;
4394            } else if (mInitialApplication != null &&
4395                    mInitialApplication.getPackageName().equals(ai.packageName)) {
4396                c = mInitialApplication;
4397            } else {
4398                try {
4399                    c = context.createPackageContext(ai.packageName,
4400                            Context.CONTEXT_INCLUDE_CODE);
4401                } catch (PackageManager.NameNotFoundException e) {
4402                }
4403            }
4404            if (c == null) {
4405                Log.w(TAG, "Unable to get context for package " +
4406                      ai.packageName +
4407                      " while loading content provider " +
4408                      info.name);
4409                return null;
4410            }
4411            try {
4412                final java.lang.ClassLoader cl = c.getClassLoader();
4413                localProvider = (ContentProvider)cl.
4414                    loadClass(info.name).newInstance();
4415                provider = localProvider.getIContentProvider();
4416                if (provider == null) {
4417                    Log.e(TAG, "Failed to instantiate class " +
4418                          info.name + " from sourceDir " +
4419                          info.applicationInfo.sourceDir);
4420                    return null;
4421                }
4422                if (Config.LOGV) Log.v(
4423                    TAG, "Instantiating local provider " + info.name);
4424                // XXX Need to create the correct context for this provider.
4425                localProvider.attachInfo(c, info);
4426            } catch (java.lang.Exception e) {
4427                if (!mInstrumentation.onException(null, e)) {
4428                    throw new RuntimeException(
4429                            "Unable to get provider " + info.name
4430                            + ": " + e.toString(), e);
4431                }
4432                return null;
4433            }
4434        } else if (localLOGV) {
4435            Log.v(TAG, "Installing external provider " + info.authority + ": "
4436                    + info.name);
4437        }
4438
4439        synchronized (mProviderMap) {
4440            // Cache the pointer for the remote provider.
4441            String names[] = PATTERN_SEMICOLON.split(info.authority);
4442            for (int i=0; i<names.length; i++) {
4443                ProviderRecord pr = new ProviderRecord(names[i], provider,
4444                        localProvider);
4445                try {
4446                    provider.asBinder().linkToDeath(pr, 0);
4447                    mProviderMap.put(names[i], pr);
4448                } catch (RemoteException e) {
4449                    return null;
4450                }
4451            }
4452            if (localProvider != null) {
4453                mLocalProviders.put(provider.asBinder(),
4454                        new ProviderRecord(null, provider, localProvider));
4455            }
4456        }
4457
4458        return provider;
4459    }
4460
4461    private final void attach(boolean system) {
4462        sThreadLocal.set(this);
4463        mSystemThread = system;
4464        if (!system) {
4465            ViewRoot.addFirstDrawHandler(new Runnable() {
4466                public void run() {
4467                    ensureJitEnabled();
4468                }
4469            });
4470            android.ddm.DdmHandleAppName.setAppName("<pre-initialized>");
4471            RuntimeInit.setApplicationObject(mAppThread.asBinder());
4472            IActivityManager mgr = ActivityManagerNative.getDefault();
4473            try {
4474                mgr.attachApplication(mAppThread);
4475            } catch (RemoteException ex) {
4476            }
4477        } else {
4478            // Don't set application object here -- if the system crashes,
4479            // we can't display an alert, we just want to die die die.
4480            android.ddm.DdmHandleAppName.setAppName("system_process");
4481            try {
4482                mInstrumentation = new Instrumentation();
4483                ContextImpl context = new ContextImpl();
4484                context.init(getSystemContext().mPackageInfo, null, this);
4485                Application app = Instrumentation.newApplication(Application.class, context);
4486                mAllApplications.add(app);
4487                mInitialApplication = app;
4488                app.onCreate();
4489            } catch (Exception e) {
4490                throw new RuntimeException(
4491                        "Unable to instantiate Application():" + e.toString(), e);
4492            }
4493        }
4494
4495        ViewRoot.addConfigCallback(new ComponentCallbacks() {
4496            public void onConfigurationChanged(Configuration newConfig) {
4497                synchronized (mPackages) {
4498                    if (mPendingConfiguration == null ||
4499                            mPendingConfiguration.isOtherSeqNewer(newConfig)) {
4500                        mPendingConfiguration = newConfig;
4501
4502                        // We need to apply this change to the resources
4503                        // immediately, because upon returning the view
4504                        // hierarchy will be informed about it.
4505                        applyConfigurationToResourcesLocked(newConfig);
4506                    }
4507                }
4508                queueOrSendMessage(H.CONFIGURATION_CHANGED, newConfig);
4509            }
4510            public void onLowMemory() {
4511            }
4512        });
4513    }
4514
4515    private final void detach()
4516    {
4517        sThreadLocal.set(null);
4518    }
4519
4520    public static final ActivityThread systemMain() {
4521        ActivityThread thread = new ActivityThread();
4522        thread.attach(true);
4523        return thread;
4524    }
4525
4526    public final void installSystemProviders(List providers) {
4527        if (providers != null) {
4528            installContentProviders(mInitialApplication,
4529                                    (List<ProviderInfo>)providers);
4530        }
4531    }
4532
4533    public static final void main(String[] args) {
4534        SamplingProfilerIntegration.start();
4535
4536        Process.setArgV0("<pre-initialized>");
4537
4538        Looper.prepareMainLooper();
4539
4540        ActivityThread thread = new ActivityThread();
4541        thread.attach(false);
4542
4543        Looper.loop();
4544
4545        if (Process.supportsProcesses()) {
4546            throw new RuntimeException("Main thread loop unexpectedly exited");
4547        }
4548
4549        thread.detach();
4550        String name = (thread.mInitialApplication != null)
4551            ? thread.mInitialApplication.getPackageName()
4552            : "<unknown>";
4553        Log.i(TAG, "Main thread of " + name + " is now exiting");
4554    }
4555}
4556