ActivityThread.java revision 4528186e0d65fc68ef0dd1941aa2ac8aefcd55a3 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.app;
18
19import android.app.backup.BackupAgent;
20import android.content.BroadcastReceiver;
21import android.content.ComponentCallbacks;
22import android.content.ComponentName;
23import android.content.ContentProvider;
24import android.content.Context;
25import android.content.IContentProvider;
26import android.content.Intent;
27import android.content.IIntentReceiver;
28import android.content.ServiceConnection;
29import android.content.pm.ActivityInfo;
30import android.content.pm.ApplicationInfo;
31import android.content.pm.IPackageManager;
32import android.content.pm.InstrumentationInfo;
33import android.content.pm.PackageManager;
34import android.content.pm.ProviderInfo;
35import android.content.pm.ServiceInfo;
36import android.content.res.AssetManager;
37import android.content.res.CompatibilityInfo;
38import android.content.res.Configuration;
39import android.content.res.Resources;
40import android.database.sqlite.SQLiteDatabase;
41import android.database.sqlite.SQLiteDebug;
42import android.graphics.Bitmap;
43import android.graphics.Canvas;
44import android.os.Bundle;
45import android.os.Debug;
46import android.os.Handler;
47import android.os.IBinder;
48import android.os.Looper;
49import android.os.Message;
50import android.os.MessageQueue;
51import android.os.ParcelFileDescriptor;
52import android.os.Process;
53import android.os.RemoteException;
54import android.os.ServiceManager;
55import android.os.SystemClock;
56import android.util.AndroidRuntimeException;
57import android.util.Config;
58import android.util.DisplayMetrics;
59import android.util.EventLog;
60import android.util.Log;
61import android.view.Display;
62import android.view.View;
63import android.view.ViewDebug;
64import android.view.ViewManager;
65import android.view.ViewRoot;
66import android.view.Window;
67import android.view.WindowManager;
68import android.view.WindowManagerImpl;
69
70import com.android.internal.os.BinderInternal;
71import com.android.internal.os.RuntimeInit;
72import com.android.internal.os.SamplingProfilerIntegration;
73import com.android.internal.util.ArrayUtils;
74
75import org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl;
76
77import java.io.File;
78import java.io.FileDescriptor;
79import java.io.FileOutputStream;
80import java.io.IOException;
81import java.io.InputStream;
82import java.io.PrintWriter;
83import java.lang.ref.WeakReference;
84import java.net.URL;
85import java.util.ArrayList;
86import java.util.Enumeration;
87import java.util.HashMap;
88import java.util.Iterator;
89import java.util.List;
90import java.util.Locale;
91import java.util.Map;
92import java.util.TimeZone;
93import java.util.regex.Pattern;
94
95import dalvik.system.SamplingProfiler;
96
97final class IntentReceiverLeaked extends AndroidRuntimeException {
98    public IntentReceiverLeaked(String msg) {
99        super(msg);
100    }
101}
102
103final class ServiceConnectionLeaked extends AndroidRuntimeException {
104    public ServiceConnectionLeaked(String msg) {
105        super(msg);
106    }
107}
108
109final class SuperNotCalledException extends AndroidRuntimeException {
110    public SuperNotCalledException(String msg) {
111        super(msg);
112    }
113}
114
115/**
116 * This manages the execution of the main thread in an
117 * application process, scheduling and executing activities,
118 * broadcasts, and other operations on it as the activity
119 * manager requests.
120 *
121 * {@hide}
122 */
123public final class ActivityThread {
124    private static final String TAG = "ActivityThread";
125    private static final boolean DEBUG = false;
126    private static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV;
127    private static final boolean DEBUG_BROADCAST = false;
128    private static final boolean DEBUG_RESULTS = false;
129    private static final boolean DEBUG_BACKUP = false;
130    private static final boolean DEBUG_CONFIGURATION = false;
131    private static final long MIN_TIME_BETWEEN_GCS = 5*1000;
132    private static final Pattern PATTERN_SEMICOLON = Pattern.compile(";");
133    private static final int SQLITE_MEM_RELEASED_EVENT_LOG_TAG = 75003;
134    private static final int LOG_ON_PAUSE_CALLED = 30021;
135    private static final int LOG_ON_RESUME_CALLED = 30022;
136
137
138    public static final ActivityThread currentActivityThread() {
139        return (ActivityThread)sThreadLocal.get();
140    }
141
142    public static final String currentPackageName()
143    {
144        ActivityThread am = currentActivityThread();
145        return (am != null && am.mBoundApplication != null)
146            ? am.mBoundApplication.processName : null;
147    }
148
149    public static IPackageManager getPackageManager() {
150        if (sPackageManager != null) {
151            //Log.v("PackageManager", "returning cur default = " + sPackageManager);
152            return sPackageManager;
153        }
154        IBinder b = ServiceManager.getService("package");
155        //Log.v("PackageManager", "default service binder = " + b);
156        sPackageManager = IPackageManager.Stub.asInterface(b);
157        //Log.v("PackageManager", "default service = " + sPackageManager);
158        return sPackageManager;
159    }
160
161    DisplayMetrics getDisplayMetricsLocked(boolean forceUpdate) {
162        if (mDisplayMetrics != null && !forceUpdate) {
163            return mDisplayMetrics;
164        }
165        if (mDisplay == null) {
166            WindowManager wm = WindowManagerImpl.getDefault();
167            mDisplay = wm.getDefaultDisplay();
168        }
169        DisplayMetrics metrics = mDisplayMetrics = new DisplayMetrics();
170        mDisplay.getMetrics(metrics);
171        //Log.i("foo", "New metrics: w=" + metrics.widthPixels + " h="
172        //        + metrics.heightPixels + " den=" + metrics.density
173        //        + " xdpi=" + metrics.xdpi + " ydpi=" + metrics.ydpi);
174        return metrics;
175    }
176
177    /**
178     * Creates the top level Resources for applications with the given compatibility info.
179     *
180     * @param resDir the resource directory.
181     * @param compInfo the compability info. It will use the default compatibility info when it's
182     * null.
183     */
184    Resources getTopLevelResources(String resDir, CompatibilityInfo compInfo) {
185        ResourcesKey key = new ResourcesKey(resDir, compInfo.applicationScale);
186        Resources r;
187        synchronized (mPackages) {
188            // Resources is app scale dependent.
189            if (false) {
190                Log.w(TAG, "getTopLevelResources: " + resDir + " / "
191                        + compInfo.applicationScale);
192            }
193            WeakReference<Resources> wr = mActiveResources.get(key);
194            r = wr != null ? wr.get() : null;
195            if (r != null && r.getAssets().isUpToDate()) {
196                if (false) {
197                    Log.w(TAG, "Returning cached resources " + r + " " + resDir
198                            + ": appScale=" + r.getCompatibilityInfo().applicationScale);
199                }
200                return r;
201            }
202        }
203
204        //if (r != null) {
205        //    Log.w(TAG, "Throwing away out-of-date resources!!!! "
206        //            + r + " " + resDir);
207        //}
208
209        AssetManager assets = new AssetManager();
210        if (assets.addAssetPath(resDir) == 0) {
211            return null;
212        }
213
214        //Log.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics);
215        DisplayMetrics metrics = getDisplayMetricsLocked(false);
216        r = new Resources(assets, metrics, getConfiguration(), compInfo);
217        if (false) {
218            Log.i(TAG, "Created app resources " + resDir + " " + r + ": "
219                    + r.getConfiguration() + " appScale="
220                    + r.getCompatibilityInfo().applicationScale);
221        }
222
223        synchronized (mPackages) {
224            WeakReference<Resources> wr = mActiveResources.get(key);
225            Resources existing = wr != null ? wr.get() : null;
226            if (existing != null && existing.getAssets().isUpToDate()) {
227                // Someone else already created the resources while we were
228                // unlocked; go ahead and use theirs.
229                r.getAssets().close();
230                return existing;
231            }
232
233            // XXX need to remove entries when weak references go away
234            mActiveResources.put(key, new WeakReference<Resources>(r));
235            return r;
236        }
237    }
238
239    /**
240     * Creates the top level resources for the given package.
241     */
242    Resources getTopLevelResources(String resDir, PackageInfo pkgInfo) {
243        return getTopLevelResources(resDir, pkgInfo.mCompatibilityInfo);
244    }
245
246    final Handler getHandler() {
247        return mH;
248    }
249
250    public final static class PackageInfo {
251
252        private final ActivityThread mActivityThread;
253        private final ApplicationInfo mApplicationInfo;
254        private final String mPackageName;
255        private final String mAppDir;
256        private final String mResDir;
257        private final String[] mSharedLibraries;
258        private final String mDataDir;
259        private final File mDataDirFile;
260        private final ClassLoader mBaseClassLoader;
261        private final boolean mSecurityViolation;
262        private final boolean mIncludeCode;
263        private Resources mResources;
264        private ClassLoader mClassLoader;
265        private Application mApplication;
266        private CompatibilityInfo mCompatibilityInfo;
267
268        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mReceivers
269            = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
270        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mUnregisteredReceivers
271        = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
272        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mServices
273            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
274        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mUnboundServices
275            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
276
277        int mClientCount = 0;
278
279        public PackageInfo(ActivityThread activityThread, ApplicationInfo aInfo,
280                ActivityThread mainThread, ClassLoader baseLoader,
281                boolean securityViolation, boolean includeCode) {
282            mActivityThread = activityThread;
283            mApplicationInfo = aInfo;
284            mPackageName = aInfo.packageName;
285            mAppDir = aInfo.sourceDir;
286            mResDir = aInfo.uid == Process.myUid() ? aInfo.sourceDir
287                    : aInfo.publicSourceDir;
288            mSharedLibraries = aInfo.sharedLibraryFiles;
289            mDataDir = aInfo.dataDir;
290            mDataDirFile = mDataDir != null ? new File(mDataDir) : null;
291            mBaseClassLoader = baseLoader;
292            mSecurityViolation = securityViolation;
293            mIncludeCode = includeCode;
294            mCompatibilityInfo = new CompatibilityInfo(aInfo);
295
296            if (mAppDir == null) {
297                if (mSystemContext == null) {
298                    mSystemContext =
299                        ContextImpl.createSystemContext(mainThread);
300                    mSystemContext.getResources().updateConfiguration(
301                             mainThread.getConfiguration(),
302                             mainThread.getDisplayMetricsLocked(false));
303                    //Log.i(TAG, "Created system resources "
304                    //        + mSystemContext.getResources() + ": "
305                    //        + mSystemContext.getResources().getConfiguration());
306                }
307                mClassLoader = mSystemContext.getClassLoader();
308                mResources = mSystemContext.getResources();
309            }
310        }
311
312        public PackageInfo(ActivityThread activityThread, String name,
313                Context systemContext, ApplicationInfo info) {
314            mActivityThread = activityThread;
315            mApplicationInfo = info != null ? info : new ApplicationInfo();
316            mApplicationInfo.packageName = name;
317            mPackageName = name;
318            mAppDir = null;
319            mResDir = null;
320            mSharedLibraries = null;
321            mDataDir = null;
322            mDataDirFile = null;
323            mBaseClassLoader = null;
324            mSecurityViolation = false;
325            mIncludeCode = true;
326            mClassLoader = systemContext.getClassLoader();
327            mResources = systemContext.getResources();
328            mCompatibilityInfo = new CompatibilityInfo(mApplicationInfo);
329        }
330
331        public String getPackageName() {
332            return mPackageName;
333        }
334
335        public ApplicationInfo getApplicationInfo() {
336            return mApplicationInfo;
337        }
338
339        public boolean isSecurityViolation() {
340            return mSecurityViolation;
341        }
342
343        /**
344         * Gets the array of shared libraries that are listed as
345         * used by the given package.
346         *
347         * @param packageName the name of the package (note: not its
348         * file name)
349         * @return null-ok; the array of shared libraries, each one
350         * a fully-qualified path
351         */
352        private static String[] getLibrariesFor(String packageName) {
353            ApplicationInfo ai = null;
354            try {
355                ai = getPackageManager().getApplicationInfo(packageName,
356                        PackageManager.GET_SHARED_LIBRARY_FILES);
357            } catch (RemoteException e) {
358                throw new AssertionError(e);
359            }
360
361            if (ai == null) {
362                return null;
363            }
364
365            return ai.sharedLibraryFiles;
366        }
367
368        /**
369         * Combines two arrays (of library names) such that they are
370         * concatenated in order but are devoid of duplicates. The
371         * result is a single string with the names of the libraries
372         * separated by colons, or <code>null</code> if both lists
373         * were <code>null</code> or empty.
374         *
375         * @param list1 null-ok; the first list
376         * @param list2 null-ok; the second list
377         * @return null-ok; the combination
378         */
379        private static String combineLibs(String[] list1, String[] list2) {
380            StringBuilder result = new StringBuilder(300);
381            boolean first = true;
382
383            if (list1 != null) {
384                for (String s : list1) {
385                    if (first) {
386                        first = false;
387                    } else {
388                        result.append(':');
389                    }
390                    result.append(s);
391                }
392            }
393
394            // Only need to check for duplicates if list1 was non-empty.
395            boolean dupCheck = !first;
396
397            if (list2 != null) {
398                for (String s : list2) {
399                    if (dupCheck && ArrayUtils.contains(list1, s)) {
400                        continue;
401                    }
402
403                    if (first) {
404                        first = false;
405                    } else {
406                        result.append(':');
407                    }
408                    result.append(s);
409                }
410            }
411
412            return result.toString();
413        }
414
415        public ClassLoader getClassLoader() {
416            synchronized (this) {
417                if (mClassLoader != null) {
418                    return mClassLoader;
419                }
420
421                if (mIncludeCode && !mPackageName.equals("android")) {
422                    String zip = mAppDir;
423
424                    /*
425                     * The following is a bit of a hack to inject
426                     * instrumentation into the system: If the app
427                     * being started matches one of the instrumentation names,
428                     * then we combine both the "instrumentation" and
429                     * "instrumented" app into the path, along with the
430                     * concatenation of both apps' shared library lists.
431                     */
432
433                    String instrumentationAppDir =
434                            mActivityThread.mInstrumentationAppDir;
435                    String instrumentationAppPackage =
436                            mActivityThread.mInstrumentationAppPackage;
437                    String instrumentedAppDir =
438                            mActivityThread.mInstrumentedAppDir;
439                    String[] instrumentationLibs = null;
440
441                    if (mAppDir.equals(instrumentationAppDir)
442                            || mAppDir.equals(instrumentedAppDir)) {
443                        zip = instrumentationAppDir + ":" + instrumentedAppDir;
444                        if (! instrumentedAppDir.equals(instrumentationAppDir)) {
445                            instrumentationLibs =
446                                getLibrariesFor(instrumentationAppPackage);
447                        }
448                    }
449
450                    if ((mSharedLibraries != null) ||
451                            (instrumentationLibs != null)) {
452                        zip =
453                            combineLibs(mSharedLibraries, instrumentationLibs)
454                            + ':' + zip;
455                    }
456
457                    /*
458                     * With all the combination done (if necessary, actually
459                     * create the class loader.
460                     */
461
462                    if (localLOGV) Log.v(TAG, "Class path: " + zip);
463
464                    mClassLoader =
465                        ApplicationLoaders.getDefault().getClassLoader(
466                            zip, mDataDir, mBaseClassLoader);
467                    initializeJavaContextClassLoader();
468                } else {
469                    if (mBaseClassLoader == null) {
470                        mClassLoader = ClassLoader.getSystemClassLoader();
471                    } else {
472                        mClassLoader = mBaseClassLoader;
473                    }
474                }
475                return mClassLoader;
476            }
477        }
478
479        /**
480         * Setup value for Thread.getContextClassLoader(). If the
481         * package will not run in in a VM with other packages, we set
482         * the Java context ClassLoader to the
483         * PackageInfo.getClassLoader value. However, if this VM can
484         * contain multiple packages, we intead set the Java context
485         * ClassLoader to a proxy that will warn about the use of Java
486         * context ClassLoaders and then fall through to use the
487         * system ClassLoader.
488         *
489         * <p> Note that this is similar to but not the same as the
490         * android.content.Context.getClassLoader(). While both
491         * context class loaders are typically set to the
492         * PathClassLoader used to load the package archive in the
493         * single application per VM case, a single Android process
494         * may contain several Contexts executing on one thread with
495         * their own logical ClassLoaders while the Java context
496         * ClassLoader is a thread local. This is why in the case when
497         * we have multiple packages per VM we do not set the Java
498         * context ClassLoader to an arbitrary but instead warn the
499         * user to set their own if we detect that they are using a
500         * Java library that expects it to be set.
501         */
502        private void initializeJavaContextClassLoader() {
503            IPackageManager pm = getPackageManager();
504            android.content.pm.PackageInfo pi;
505            try {
506                pi = pm.getPackageInfo(mPackageName, 0);
507            } catch (RemoteException e) {
508                throw new AssertionError(e);
509            }
510            /*
511             * Two possible indications that this package could be
512             * sharing its virtual machine with other packages:
513             *
514             * 1.) the sharedUserId attribute is set in the manifest,
515             *     indicating a request to share a VM with other
516             *     packages with the same sharedUserId.
517             *
518             * 2.) the application element of the manifest has an
519             *     attribute specifying a non-default process name,
520             *     indicating the desire to run in another packages VM.
521             */
522            boolean sharedUserIdSet = (pi.sharedUserId != null);
523            boolean processNameNotDefault =
524                (pi.applicationInfo != null &&
525                 !mPackageName.equals(pi.applicationInfo.processName));
526            boolean sharable = (sharedUserIdSet || processNameNotDefault);
527            ClassLoader contextClassLoader =
528                (sharable)
529                ? new WarningContextClassLoader()
530                : mClassLoader;
531            Thread.currentThread().setContextClassLoader(contextClassLoader);
532        }
533
534        private static class WarningContextClassLoader extends ClassLoader {
535
536            private static boolean warned = false;
537
538            private void warn(String methodName) {
539                if (warned) {
540                    return;
541                }
542                warned = true;
543                Thread.currentThread().setContextClassLoader(getParent());
544                Log.w(TAG, "ClassLoader." + methodName + ": " +
545                      "The class loader returned by " +
546                      "Thread.getContextClassLoader() may fail for processes " +
547                      "that host multiple applications. You should explicitly " +
548                      "specify a context class loader. For example: " +
549                      "Thread.setContextClassLoader(getClass().getClassLoader());");
550            }
551
552            @Override public URL getResource(String resName) {
553                warn("getResource");
554                return getParent().getResource(resName);
555            }
556
557            @Override public Enumeration<URL> getResources(String resName) throws IOException {
558                warn("getResources");
559                return getParent().getResources(resName);
560            }
561
562            @Override public InputStream getResourceAsStream(String resName) {
563                warn("getResourceAsStream");
564                return getParent().getResourceAsStream(resName);
565            }
566
567            @Override public Class<?> loadClass(String className) throws ClassNotFoundException {
568                warn("loadClass");
569                return getParent().loadClass(className);
570            }
571
572            @Override public void setClassAssertionStatus(String cname, boolean enable) {
573                warn("setClassAssertionStatus");
574                getParent().setClassAssertionStatus(cname, enable);
575            }
576
577            @Override public void setPackageAssertionStatus(String pname, boolean enable) {
578                warn("setPackageAssertionStatus");
579                getParent().setPackageAssertionStatus(pname, enable);
580            }
581
582            @Override public void setDefaultAssertionStatus(boolean enable) {
583                warn("setDefaultAssertionStatus");
584                getParent().setDefaultAssertionStatus(enable);
585            }
586
587            @Override public void clearAssertionStatus() {
588                warn("clearAssertionStatus");
589                getParent().clearAssertionStatus();
590            }
591        }
592
593        public String getAppDir() {
594            return mAppDir;
595        }
596
597        public String getResDir() {
598            return mResDir;
599        }
600
601        public String getDataDir() {
602            return mDataDir;
603        }
604
605        public File getDataDirFile() {
606            return mDataDirFile;
607        }
608
609        public AssetManager getAssets(ActivityThread mainThread) {
610            return getResources(mainThread).getAssets();
611        }
612
613        public Resources getResources(ActivityThread mainThread) {
614            if (mResources == null) {
615                mResources = mainThread.getTopLevelResources(mResDir, this);
616            }
617            return mResources;
618        }
619
620        public Application makeApplication(boolean forceDefaultAppClass,
621                Instrumentation instrumentation) {
622            if (mApplication != null) {
623                return mApplication;
624            }
625
626            Application app = null;
627
628            String appClass = mApplicationInfo.className;
629            if (forceDefaultAppClass || (appClass == null)) {
630                appClass = "android.app.Application";
631            }
632
633            try {
634                java.lang.ClassLoader cl = getClassLoader();
635                ContextImpl appContext = new ContextImpl();
636                appContext.init(this, null, mActivityThread);
637                app = mActivityThread.mInstrumentation.newApplication(
638                        cl, appClass, appContext);
639                appContext.setOuterContext(app);
640            } catch (Exception e) {
641                if (!mActivityThread.mInstrumentation.onException(app, e)) {
642                    throw new RuntimeException(
643                        "Unable to instantiate application " + appClass
644                        + ": " + e.toString(), e);
645                }
646            }
647            mActivityThread.mAllApplications.add(app);
648            mApplication = app;
649
650            if (instrumentation != null) {
651                try {
652                    instrumentation.callApplicationOnCreate(app);
653                } catch (Exception e) {
654                    if (!instrumentation.onException(app, e)) {
655                        throw new RuntimeException(
656                            "Unable to create application " + app.getClass().getName()
657                            + ": " + e.toString(), e);
658                    }
659                }
660            }
661
662            return app;
663        }
664
665        public void removeContextRegistrations(Context context,
666                String who, String what) {
667            HashMap<BroadcastReceiver, ReceiverDispatcher> rmap =
668                mReceivers.remove(context);
669            if (rmap != null) {
670                Iterator<ReceiverDispatcher> it = rmap.values().iterator();
671                while (it.hasNext()) {
672                    ReceiverDispatcher rd = it.next();
673                    IntentReceiverLeaked leak = new IntentReceiverLeaked(
674                            what + " " + who + " has leaked IntentReceiver "
675                            + rd.getIntentReceiver() + " that was " +
676                            "originally registered here. Are you missing a " +
677                            "call to unregisterReceiver()?");
678                    leak.setStackTrace(rd.getLocation().getStackTrace());
679                    Log.e(TAG, leak.getMessage(), leak);
680                    try {
681                        ActivityManagerNative.getDefault().unregisterReceiver(
682                                rd.getIIntentReceiver());
683                    } catch (RemoteException e) {
684                        // system crashed, nothing we can do
685                    }
686                }
687            }
688            mUnregisteredReceivers.remove(context);
689            //Log.i(TAG, "Receiver registrations: " + mReceivers);
690            HashMap<ServiceConnection, ServiceDispatcher> smap =
691                mServices.remove(context);
692            if (smap != null) {
693                Iterator<ServiceDispatcher> it = smap.values().iterator();
694                while (it.hasNext()) {
695                    ServiceDispatcher sd = it.next();
696                    ServiceConnectionLeaked leak = new ServiceConnectionLeaked(
697                            what + " " + who + " has leaked ServiceConnection "
698                            + sd.getServiceConnection() + " that was originally bound here");
699                    leak.setStackTrace(sd.getLocation().getStackTrace());
700                    Log.e(TAG, leak.getMessage(), leak);
701                    try {
702                        ActivityManagerNative.getDefault().unbindService(
703                                sd.getIServiceConnection());
704                    } catch (RemoteException e) {
705                        // system crashed, nothing we can do
706                    }
707                    sd.doForget();
708                }
709            }
710            mUnboundServices.remove(context);
711            //Log.i(TAG, "Service registrations: " + mServices);
712        }
713
714        public IIntentReceiver getReceiverDispatcher(BroadcastReceiver r,
715                Context context, Handler handler,
716                Instrumentation instrumentation, boolean registered) {
717            synchronized (mReceivers) {
718                ReceiverDispatcher rd = null;
719                HashMap<BroadcastReceiver, ReceiverDispatcher> map = null;
720                if (registered) {
721                    map = mReceivers.get(context);
722                    if (map != null) {
723                        rd = map.get(r);
724                    }
725                }
726                if (rd == null) {
727                    rd = new ReceiverDispatcher(r, context, handler,
728                            instrumentation, registered);
729                    if (registered) {
730                        if (map == null) {
731                            map = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
732                            mReceivers.put(context, map);
733                        }
734                        map.put(r, rd);
735                    }
736                } else {
737                    rd.validate(context, handler);
738                }
739                return rd.getIIntentReceiver();
740            }
741        }
742
743        public IIntentReceiver forgetReceiverDispatcher(Context context,
744                BroadcastReceiver r) {
745            synchronized (mReceivers) {
746                HashMap<BroadcastReceiver, ReceiverDispatcher> map = mReceivers.get(context);
747                ReceiverDispatcher rd = null;
748                if (map != null) {
749                    rd = map.get(r);
750                    if (rd != null) {
751                        map.remove(r);
752                        if (map.size() == 0) {
753                            mReceivers.remove(context);
754                        }
755                        if (r.getDebugUnregister()) {
756                            HashMap<BroadcastReceiver, ReceiverDispatcher> holder
757                                    = mUnregisteredReceivers.get(context);
758                            if (holder == null) {
759                                holder = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
760                                mUnregisteredReceivers.put(context, holder);
761                            }
762                            RuntimeException ex = new IllegalArgumentException(
763                                    "Originally unregistered here:");
764                            ex.fillInStackTrace();
765                            rd.setUnregisterLocation(ex);
766                            holder.put(r, rd);
767                        }
768                        return rd.getIIntentReceiver();
769                    }
770                }
771                HashMap<BroadcastReceiver, ReceiverDispatcher> holder
772                        = mUnregisteredReceivers.get(context);
773                if (holder != null) {
774                    rd = holder.get(r);
775                    if (rd != null) {
776                        RuntimeException ex = rd.getUnregisterLocation();
777                        throw new IllegalArgumentException(
778                                "Unregistering Receiver " + r
779                                + " that was already unregistered", ex);
780                    }
781                }
782                if (context == null) {
783                    throw new IllegalStateException("Unbinding Receiver " + r
784                            + " from Context that is no longer in use: " + context);
785                } else {
786                    throw new IllegalArgumentException("Receiver not registered: " + r);
787                }
788
789            }
790        }
791
792        static final class ReceiverDispatcher {
793
794            final static class InnerReceiver extends IIntentReceiver.Stub {
795                final WeakReference<ReceiverDispatcher> mDispatcher;
796                final ReceiverDispatcher mStrongRef;
797
798                InnerReceiver(ReceiverDispatcher rd, boolean strong) {
799                    mDispatcher = new WeakReference<ReceiverDispatcher>(rd);
800                    mStrongRef = strong ? rd : null;
801                }
802                public void performReceive(Intent intent, int resultCode,
803                        String data, Bundle extras, boolean ordered, boolean sticky) {
804                    ReceiverDispatcher rd = mDispatcher.get();
805                    if (DEBUG_BROADCAST) {
806                        int seq = intent.getIntExtra("seq", -1);
807                        Log.i(TAG, "Receiving broadcast " + intent.getAction() + " seq=" + seq
808                                + " to " + rd);
809                    }
810                    if (rd != null) {
811                        rd.performReceive(intent, resultCode, data, extras,
812                                ordered, sticky);
813                    } else {
814                        // The activity manager dispatched a broadcast to a registered
815                        // receiver in this process, but before it could be delivered the
816                        // receiver was unregistered.  Acknowledge the broadcast on its
817                        // behalf so that the system's broadcast sequence can continue.
818                        if (DEBUG_BROADCAST) {
819                            Log.i(TAG, "Broadcast to unregistered receiver");
820                        }
821                        IActivityManager mgr = ActivityManagerNative.getDefault();
822                        try {
823                            mgr.finishReceiver(this, resultCode, data, extras, false);
824                        } catch (RemoteException e) {
825                            Log.w(TAG, "Couldn't finish broadcast to unregistered receiver");
826                        }
827                    }
828                }
829            }
830
831            final IIntentReceiver.Stub mIIntentReceiver;
832            final BroadcastReceiver mReceiver;
833            final Context mContext;
834            final Handler mActivityThread;
835            final Instrumentation mInstrumentation;
836            final boolean mRegistered;
837            final IntentReceiverLeaked mLocation;
838            RuntimeException mUnregisterLocation;
839
840            final class Args implements Runnable {
841                private Intent mCurIntent;
842                private int mCurCode;
843                private String mCurData;
844                private Bundle mCurMap;
845                private boolean mCurOrdered;
846                private boolean mCurSticky;
847
848                public void run() {
849                    BroadcastReceiver receiver = mReceiver;
850                    if (DEBUG_BROADCAST) {
851                        int seq = mCurIntent.getIntExtra("seq", -1);
852                        Log.i(TAG, "Dispatching broadcast " + mCurIntent.getAction()
853                                + " seq=" + seq + " to " + mReceiver);
854                    }
855                    if (receiver == null) {
856                        return;
857                    }
858
859                    IActivityManager mgr = ActivityManagerNative.getDefault();
860                    Intent intent = mCurIntent;
861                    mCurIntent = null;
862                    try {
863                        ClassLoader cl =  mReceiver.getClass().getClassLoader();
864                        intent.setExtrasClassLoader(cl);
865                        if (mCurMap != null) {
866                            mCurMap.setClassLoader(cl);
867                        }
868                        receiver.setOrderedHint(true);
869                        receiver.setResult(mCurCode, mCurData, mCurMap);
870                        receiver.clearAbortBroadcast();
871                        receiver.setOrderedHint(mCurOrdered);
872                        receiver.setInitialStickyHint(mCurSticky);
873                        receiver.onReceive(mContext, intent);
874                    } catch (Exception e) {
875                        if (mRegistered && mCurOrdered) {
876                            try {
877                                mgr.finishReceiver(mIIntentReceiver,
878                                        mCurCode, mCurData, mCurMap, false);
879                            } catch (RemoteException ex) {
880                            }
881                        }
882                        if (mInstrumentation == null ||
883                                !mInstrumentation.onException(mReceiver, e)) {
884                            throw new RuntimeException(
885                                "Error receiving broadcast " + intent
886                                + " in " + mReceiver, e);
887                        }
888                    }
889                    if (mRegistered && mCurOrdered) {
890                        try {
891                            mgr.finishReceiver(mIIntentReceiver,
892                                    receiver.getResultCode(),
893                                    receiver.getResultData(),
894                                    receiver.getResultExtras(false),
895                                    receiver.getAbortBroadcast());
896                        } catch (RemoteException ex) {
897                        }
898                    }
899                }
900            }
901
902            ReceiverDispatcher(BroadcastReceiver receiver, Context context,
903                    Handler activityThread, Instrumentation instrumentation,
904                    boolean registered) {
905                if (activityThread == null) {
906                    throw new NullPointerException("Handler must not be null");
907                }
908
909                mIIntentReceiver = new InnerReceiver(this, !registered);
910                mReceiver = receiver;
911                mContext = context;
912                mActivityThread = activityThread;
913                mInstrumentation = instrumentation;
914                mRegistered = registered;
915                mLocation = new IntentReceiverLeaked(null);
916                mLocation.fillInStackTrace();
917            }
918
919            void validate(Context context, Handler activityThread) {
920                if (mContext != context) {
921                    throw new IllegalStateException(
922                        "Receiver " + mReceiver +
923                        " registered with differing Context (was " +
924                        mContext + " now " + context + ")");
925                }
926                if (mActivityThread != activityThread) {
927                    throw new IllegalStateException(
928                        "Receiver " + mReceiver +
929                        " registered with differing handler (was " +
930                        mActivityThread + " now " + activityThread + ")");
931                }
932            }
933
934            IntentReceiverLeaked getLocation() {
935                return mLocation;
936            }
937
938            BroadcastReceiver getIntentReceiver() {
939                return mReceiver;
940            }
941
942            IIntentReceiver getIIntentReceiver() {
943                return mIIntentReceiver;
944            }
945
946            void setUnregisterLocation(RuntimeException ex) {
947                mUnregisterLocation = ex;
948            }
949
950            RuntimeException getUnregisterLocation() {
951                return mUnregisterLocation;
952            }
953
954            public void performReceive(Intent intent, int resultCode,
955                    String data, Bundle extras, boolean ordered, boolean sticky) {
956                if (DEBUG_BROADCAST) {
957                    int seq = intent.getIntExtra("seq", -1);
958                    Log.i(TAG, "Enqueueing broadcast " + intent.getAction() + " seq=" + seq
959                            + " to " + mReceiver);
960                }
961                Args args = new Args();
962                args.mCurIntent = intent;
963                args.mCurCode = resultCode;
964                args.mCurData = data;
965                args.mCurMap = extras;
966                args.mCurOrdered = ordered;
967                args.mCurSticky = sticky;
968                if (!mActivityThread.post(args)) {
969                    if (mRegistered) {
970                        IActivityManager mgr = ActivityManagerNative.getDefault();
971                        try {
972                            mgr.finishReceiver(mIIntentReceiver, args.mCurCode,
973                                    args.mCurData, args.mCurMap, false);
974                        } catch (RemoteException ex) {
975                        }
976                    }
977                }
978            }
979
980        }
981
982        public final IServiceConnection getServiceDispatcher(ServiceConnection c,
983                Context context, Handler handler, int flags) {
984            synchronized (mServices) {
985                ServiceDispatcher sd = null;
986                HashMap<ServiceConnection, ServiceDispatcher> map = mServices.get(context);
987                if (map != null) {
988                    sd = map.get(c);
989                }
990                if (sd == null) {
991                    sd = new ServiceDispatcher(c, context, handler, flags);
992                    if (map == null) {
993                        map = new HashMap<ServiceConnection, ServiceDispatcher>();
994                        mServices.put(context, map);
995                    }
996                    map.put(c, sd);
997                } else {
998                    sd.validate(context, handler);
999                }
1000                return sd.getIServiceConnection();
1001            }
1002        }
1003
1004        public final IServiceConnection forgetServiceDispatcher(Context context,
1005                ServiceConnection c) {
1006            synchronized (mServices) {
1007                HashMap<ServiceConnection, ServiceDispatcher> map
1008                        = mServices.get(context);
1009                ServiceDispatcher sd = null;
1010                if (map != null) {
1011                    sd = map.get(c);
1012                    if (sd != null) {
1013                        map.remove(c);
1014                        sd.doForget();
1015                        if (map.size() == 0) {
1016                            mServices.remove(context);
1017                        }
1018                        if ((sd.getFlags()&Context.BIND_DEBUG_UNBIND) != 0) {
1019                            HashMap<ServiceConnection, ServiceDispatcher> holder
1020                                    = mUnboundServices.get(context);
1021                            if (holder == null) {
1022                                holder = new HashMap<ServiceConnection, ServiceDispatcher>();
1023                                mUnboundServices.put(context, holder);
1024                            }
1025                            RuntimeException ex = new IllegalArgumentException(
1026                                    "Originally unbound here:");
1027                            ex.fillInStackTrace();
1028                            sd.setUnbindLocation(ex);
1029                            holder.put(c, sd);
1030                        }
1031                        return sd.getIServiceConnection();
1032                    }
1033                }
1034                HashMap<ServiceConnection, ServiceDispatcher> holder
1035                        = mUnboundServices.get(context);
1036                if (holder != null) {
1037                    sd = holder.get(c);
1038                    if (sd != null) {
1039                        RuntimeException ex = sd.getUnbindLocation();
1040                        throw new IllegalArgumentException(
1041                                "Unbinding Service " + c
1042                                + " that was already unbound", ex);
1043                    }
1044                }
1045                if (context == null) {
1046                    throw new IllegalStateException("Unbinding Service " + c
1047                            + " from Context that is no longer in use: " + context);
1048                } else {
1049                    throw new IllegalArgumentException("Service not registered: " + c);
1050                }
1051            }
1052        }
1053
1054        static final class ServiceDispatcher {
1055            private final InnerConnection mIServiceConnection;
1056            private final ServiceConnection mConnection;
1057            private final Context mContext;
1058            private final Handler mActivityThread;
1059            private final ServiceConnectionLeaked mLocation;
1060            private final int mFlags;
1061
1062            private RuntimeException mUnbindLocation;
1063
1064            private boolean mDied;
1065
1066            private static class ConnectionInfo {
1067                IBinder binder;
1068                IBinder.DeathRecipient deathMonitor;
1069            }
1070
1071            private static class InnerConnection extends IServiceConnection.Stub {
1072                final WeakReference<ServiceDispatcher> mDispatcher;
1073
1074                InnerConnection(ServiceDispatcher sd) {
1075                    mDispatcher = new WeakReference<ServiceDispatcher>(sd);
1076                }
1077
1078                public void connected(ComponentName name, IBinder service) throws RemoteException {
1079                    ServiceDispatcher sd = mDispatcher.get();
1080                    if (sd != null) {
1081                        sd.connected(name, service);
1082                    }
1083                }
1084            }
1085
1086            private final HashMap<ComponentName, ConnectionInfo> mActiveConnections
1087                = new HashMap<ComponentName, ConnectionInfo>();
1088
1089            ServiceDispatcher(ServiceConnection conn,
1090                    Context context, Handler activityThread, int flags) {
1091                mIServiceConnection = new InnerConnection(this);
1092                mConnection = conn;
1093                mContext = context;
1094                mActivityThread = activityThread;
1095                mLocation = new ServiceConnectionLeaked(null);
1096                mLocation.fillInStackTrace();
1097                mFlags = flags;
1098            }
1099
1100            void validate(Context context, Handler activityThread) {
1101                if (mContext != context) {
1102                    throw new RuntimeException(
1103                        "ServiceConnection " + mConnection +
1104                        " registered with differing Context (was " +
1105                        mContext + " now " + context + ")");
1106                }
1107                if (mActivityThread != activityThread) {
1108                    throw new RuntimeException(
1109                        "ServiceConnection " + mConnection +
1110                        " registered with differing handler (was " +
1111                        mActivityThread + " now " + activityThread + ")");
1112                }
1113            }
1114
1115            void doForget() {
1116                synchronized(this) {
1117                    Iterator<ConnectionInfo> it = mActiveConnections.values().iterator();
1118                    while (it.hasNext()) {
1119                        ConnectionInfo ci = it.next();
1120                        ci.binder.unlinkToDeath(ci.deathMonitor, 0);
1121                    }
1122                    mActiveConnections.clear();
1123                }
1124            }
1125
1126            ServiceConnectionLeaked getLocation() {
1127                return mLocation;
1128            }
1129
1130            ServiceConnection getServiceConnection() {
1131                return mConnection;
1132            }
1133
1134            IServiceConnection getIServiceConnection() {
1135                return mIServiceConnection;
1136            }
1137
1138            int getFlags() {
1139                return mFlags;
1140            }
1141
1142            void setUnbindLocation(RuntimeException ex) {
1143                mUnbindLocation = ex;
1144            }
1145
1146            RuntimeException getUnbindLocation() {
1147                return mUnbindLocation;
1148            }
1149
1150            public void connected(ComponentName name, IBinder service) {
1151                if (mActivityThread != null) {
1152                    mActivityThread.post(new RunConnection(name, service, 0));
1153                } else {
1154                    doConnected(name, service);
1155                }
1156            }
1157
1158            public void death(ComponentName name, IBinder service) {
1159                ConnectionInfo old;
1160
1161                synchronized (this) {
1162                    mDied = true;
1163                    old = mActiveConnections.remove(name);
1164                    if (old == null || old.binder != service) {
1165                        // Death for someone different than who we last
1166                        // reported...  just ignore it.
1167                        return;
1168                    }
1169                    old.binder.unlinkToDeath(old.deathMonitor, 0);
1170                }
1171
1172                if (mActivityThread != null) {
1173                    mActivityThread.post(new RunConnection(name, service, 1));
1174                } else {
1175                    doDeath(name, service);
1176                }
1177            }
1178
1179            public void doConnected(ComponentName name, IBinder service) {
1180                ConnectionInfo old;
1181                ConnectionInfo info;
1182
1183                synchronized (this) {
1184                    old = mActiveConnections.get(name);
1185                    if (old != null && old.binder == service) {
1186                        // Huh, already have this one.  Oh well!
1187                        return;
1188                    }
1189
1190                    if (service != null) {
1191                        // A new service is being connected... set it all up.
1192                        mDied = false;
1193                        info = new ConnectionInfo();
1194                        info.binder = service;
1195                        info.deathMonitor = new DeathMonitor(name, service);
1196                        try {
1197                            service.linkToDeath(info.deathMonitor, 0);
1198                            mActiveConnections.put(name, info);
1199                        } catch (RemoteException e) {
1200                            // This service was dead before we got it...  just
1201                            // don't do anything with it.
1202                            mActiveConnections.remove(name);
1203                            return;
1204                        }
1205
1206                    } else {
1207                        // The named service is being disconnected... clean up.
1208                        mActiveConnections.remove(name);
1209                    }
1210
1211                    if (old != null) {
1212                        old.binder.unlinkToDeath(old.deathMonitor, 0);
1213                    }
1214                }
1215
1216                // If there was an old service, it is not disconnected.
1217                if (old != null) {
1218                    mConnection.onServiceDisconnected(name);
1219                }
1220                // If there is a new service, it is now connected.
1221                if (service != null) {
1222                    mConnection.onServiceConnected(name, service);
1223                }
1224            }
1225
1226            public void doDeath(ComponentName name, IBinder service) {
1227                mConnection.onServiceDisconnected(name);
1228            }
1229
1230            private final class RunConnection implements Runnable {
1231                RunConnection(ComponentName name, IBinder service, int command) {
1232                    mName = name;
1233                    mService = service;
1234                    mCommand = command;
1235                }
1236
1237                public void run() {
1238                    if (mCommand == 0) {
1239                        doConnected(mName, mService);
1240                    } else if (mCommand == 1) {
1241                        doDeath(mName, mService);
1242                    }
1243                }
1244
1245                final ComponentName mName;
1246                final IBinder mService;
1247                final int mCommand;
1248            }
1249
1250            private final class DeathMonitor implements IBinder.DeathRecipient
1251            {
1252                DeathMonitor(ComponentName name, IBinder service) {
1253                    mName = name;
1254                    mService = service;
1255                }
1256
1257                public void binderDied() {
1258                    death(mName, mService);
1259                }
1260
1261                final ComponentName mName;
1262                final IBinder mService;
1263            }
1264        }
1265    }
1266
1267    private static ContextImpl mSystemContext = null;
1268
1269    private static final class ActivityRecord {
1270        IBinder token;
1271        int ident;
1272        Intent intent;
1273        Bundle state;
1274        Activity activity;
1275        Window window;
1276        Activity parent;
1277        String embeddedID;
1278        Object lastNonConfigurationInstance;
1279        HashMap<String,Object> lastNonConfigurationChildInstances;
1280        boolean paused;
1281        boolean stopped;
1282        boolean hideForNow;
1283        Configuration newConfig;
1284        Configuration createdConfig;
1285        ActivityRecord nextIdle;
1286
1287        ActivityInfo activityInfo;
1288        PackageInfo packageInfo;
1289
1290        List<ResultInfo> pendingResults;
1291        List<Intent> pendingIntents;
1292
1293        boolean startsNotResumed;
1294        boolean isForward;
1295
1296        ActivityRecord() {
1297            parent = null;
1298            embeddedID = null;
1299            paused = false;
1300            stopped = false;
1301            hideForNow = false;
1302            nextIdle = null;
1303        }
1304
1305        public String toString() {
1306            ComponentName componentName = intent.getComponent();
1307            return "ActivityRecord{"
1308                + Integer.toHexString(System.identityHashCode(this))
1309                + " token=" + token + " " + (componentName == null
1310                        ? "no component name" : componentName.toShortString())
1311                + "}";
1312        }
1313    }
1314
1315    private final class ProviderRecord implements IBinder.DeathRecipient {
1316        final String mName;
1317        final IContentProvider mProvider;
1318        final ContentProvider mLocalProvider;
1319
1320        ProviderRecord(String name, IContentProvider provider,
1321                ContentProvider localProvider) {
1322            mName = name;
1323            mProvider = provider;
1324            mLocalProvider = localProvider;
1325        }
1326
1327        public void binderDied() {
1328            removeDeadProvider(mName, mProvider);
1329        }
1330    }
1331
1332    private static final class NewIntentData {
1333        List<Intent> intents;
1334        IBinder token;
1335        public String toString() {
1336            return "NewIntentData{intents=" + intents + " token=" + token + "}";
1337        }
1338    }
1339
1340    private static final class ReceiverData {
1341        Intent intent;
1342        ActivityInfo info;
1343        int resultCode;
1344        String resultData;
1345        Bundle resultExtras;
1346        boolean sync;
1347        boolean resultAbort;
1348        public String toString() {
1349            return "ReceiverData{intent=" + intent + " packageName=" +
1350            info.packageName + " resultCode=" + resultCode
1351            + " resultData=" + resultData + " resultExtras=" + resultExtras + "}";
1352        }
1353    }
1354
1355    private static final class CreateBackupAgentData {
1356        ApplicationInfo appInfo;
1357        int backupMode;
1358        public String toString() {
1359            return "CreateBackupAgentData{appInfo=" + appInfo
1360                    + " backupAgent=" + appInfo.backupAgentName
1361                    + " mode=" + backupMode + "}";
1362        }
1363    }
1364
1365    private static final class CreateServiceData {
1366        IBinder token;
1367        ServiceInfo info;
1368        Intent intent;
1369        public String toString() {
1370            return "CreateServiceData{token=" + token + " className="
1371            + info.name + " packageName=" + info.packageName
1372            + " intent=" + intent + "}";
1373        }
1374    }
1375
1376    private static final class BindServiceData {
1377        IBinder token;
1378        Intent intent;
1379        boolean rebind;
1380        public String toString() {
1381            return "BindServiceData{token=" + token + " intent=" + intent + "}";
1382        }
1383    }
1384
1385    private static final class ServiceArgsData {
1386        IBinder token;
1387        int startId;
1388        int flags;
1389        Intent args;
1390        public String toString() {
1391            return "ServiceArgsData{token=" + token + " startId=" + startId
1392            + " args=" + args + "}";
1393        }
1394    }
1395
1396    private static final class AppBindData {
1397        PackageInfo info;
1398        String processName;
1399        ApplicationInfo appInfo;
1400        List<ProviderInfo> providers;
1401        ComponentName instrumentationName;
1402        String profileFile;
1403        Bundle instrumentationArgs;
1404        IInstrumentationWatcher instrumentationWatcher;
1405        int debugMode;
1406        boolean restrictedBackupMode;
1407        Configuration config;
1408        boolean handlingProfiling;
1409        public String toString() {
1410            return "AppBindData{appInfo=" + appInfo + "}";
1411        }
1412    }
1413
1414    private static final class DumpServiceInfo {
1415        FileDescriptor fd;
1416        IBinder service;
1417        String[] args;
1418        boolean dumped;
1419    }
1420
1421    private static final class ResultData {
1422        IBinder token;
1423        List<ResultInfo> results;
1424        public String toString() {
1425            return "ResultData{token=" + token + " results" + results + "}";
1426        }
1427    }
1428
1429    private static final class ContextCleanupInfo {
1430        ContextImpl context;
1431        String what;
1432        String who;
1433    }
1434
1435    private static final class ProfilerControlData {
1436        String path;
1437        ParcelFileDescriptor fd;
1438    }
1439
1440    private final class ApplicationThread extends ApplicationThreadNative {
1441        private static final String HEAP_COLUMN = "%17s %8s %8s %8s %8s";
1442        private static final String ONE_COUNT_COLUMN = "%17s %8d";
1443        private static final String TWO_COUNT_COLUMNS = "%17s %8d %17s %8d";
1444
1445        // Formatting for checkin service - update version if row format changes
1446        private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1;
1447
1448        public final void schedulePauseActivity(IBinder token, boolean finished,
1449                boolean userLeaving, int configChanges) {
1450            queueOrSendMessage(
1451                    finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY,
1452                    token,
1453                    (userLeaving ? 1 : 0),
1454                    configChanges);
1455        }
1456
1457        public final void scheduleStopActivity(IBinder token, boolean showWindow,
1458                int configChanges) {
1459           queueOrSendMessage(
1460                showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE,
1461                token, 0, configChanges);
1462        }
1463
1464        public final void scheduleWindowVisibility(IBinder token, boolean showWindow) {
1465            queueOrSendMessage(
1466                showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW,
1467                token);
1468        }
1469
1470        public final void scheduleResumeActivity(IBinder token, boolean isForward) {
1471            queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0);
1472        }
1473
1474        public final void scheduleSendResult(IBinder token, List<ResultInfo> results) {
1475            ResultData res = new ResultData();
1476            res.token = token;
1477            res.results = results;
1478            queueOrSendMessage(H.SEND_RESULT, res);
1479        }
1480
1481        // we use token to identify this activity without having to send the
1482        // activity itself back to the activity manager. (matters more with ipc)
1483        public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident,
1484                ActivityInfo info, Bundle state, List<ResultInfo> pendingResults,
1485                List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) {
1486            ActivityRecord r = new ActivityRecord();
1487
1488            r.token = token;
1489            r.ident = ident;
1490            r.intent = intent;
1491            r.activityInfo = info;
1492            r.state = state;
1493
1494            r.pendingResults = pendingResults;
1495            r.pendingIntents = pendingNewIntents;
1496
1497            r.startsNotResumed = notResumed;
1498            r.isForward = isForward;
1499
1500            queueOrSendMessage(H.LAUNCH_ACTIVITY, r);
1501        }
1502
1503        public final void scheduleRelaunchActivity(IBinder token,
1504                List<ResultInfo> pendingResults, List<Intent> pendingNewIntents,
1505                int configChanges, boolean notResumed, Configuration config) {
1506            ActivityRecord r = new ActivityRecord();
1507
1508            r.token = token;
1509            r.pendingResults = pendingResults;
1510            r.pendingIntents = pendingNewIntents;
1511            r.startsNotResumed = notResumed;
1512            r.createdConfig = config;
1513
1514            synchronized (mPackages) {
1515                mRelaunchingActivities.add(r);
1516            }
1517
1518            queueOrSendMessage(H.RELAUNCH_ACTIVITY, r, configChanges);
1519        }
1520
1521        public final void scheduleNewIntent(List<Intent> intents, IBinder token) {
1522            NewIntentData data = new NewIntentData();
1523            data.intents = intents;
1524            data.token = token;
1525
1526            queueOrSendMessage(H.NEW_INTENT, data);
1527        }
1528
1529        public final void scheduleDestroyActivity(IBinder token, boolean finishing,
1530                int configChanges) {
1531            queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0,
1532                    configChanges);
1533        }
1534
1535        public final void scheduleReceiver(Intent intent, ActivityInfo info,
1536                int resultCode, String data, Bundle extras, boolean sync) {
1537            ReceiverData r = new ReceiverData();
1538
1539            r.intent = intent;
1540            r.info = info;
1541            r.resultCode = resultCode;
1542            r.resultData = data;
1543            r.resultExtras = extras;
1544            r.sync = sync;
1545
1546            queueOrSendMessage(H.RECEIVER, r);
1547        }
1548
1549        public final void scheduleCreateBackupAgent(ApplicationInfo app, int backupMode) {
1550            CreateBackupAgentData d = new CreateBackupAgentData();
1551            d.appInfo = app;
1552            d.backupMode = backupMode;
1553
1554            queueOrSendMessage(H.CREATE_BACKUP_AGENT, d);
1555        }
1556
1557        public final void scheduleDestroyBackupAgent(ApplicationInfo app) {
1558            CreateBackupAgentData d = new CreateBackupAgentData();
1559            d.appInfo = app;
1560
1561            queueOrSendMessage(H.DESTROY_BACKUP_AGENT, d);
1562        }
1563
1564        public final void scheduleCreateService(IBinder token,
1565                ServiceInfo info) {
1566            CreateServiceData s = new CreateServiceData();
1567            s.token = token;
1568            s.info = info;
1569
1570            queueOrSendMessage(H.CREATE_SERVICE, s);
1571        }
1572
1573        public final void scheduleBindService(IBinder token, Intent intent,
1574                boolean rebind) {
1575            BindServiceData s = new BindServiceData();
1576            s.token = token;
1577            s.intent = intent;
1578            s.rebind = rebind;
1579
1580            queueOrSendMessage(H.BIND_SERVICE, s);
1581        }
1582
1583        public final void scheduleUnbindService(IBinder token, Intent intent) {
1584            BindServiceData s = new BindServiceData();
1585            s.token = token;
1586            s.intent = intent;
1587
1588            queueOrSendMessage(H.UNBIND_SERVICE, s);
1589        }
1590
1591        public final void scheduleServiceArgs(IBinder token, int startId,
1592            int flags ,Intent args) {
1593            ServiceArgsData s = new ServiceArgsData();
1594            s.token = token;
1595            s.startId = startId;
1596            s.flags = flags;
1597            s.args = args;
1598
1599            queueOrSendMessage(H.SERVICE_ARGS, s);
1600        }
1601
1602        public final void scheduleStopService(IBinder token) {
1603            queueOrSendMessage(H.STOP_SERVICE, token);
1604        }
1605
1606        public final void bindApplication(String processName,
1607                ApplicationInfo appInfo, List<ProviderInfo> providers,
1608                ComponentName instrumentationName, String profileFile,
1609                Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher,
1610                int debugMode, boolean isRestrictedBackupMode, Configuration config,
1611                Map<String, IBinder> services) {
1612
1613            if (services != null) {
1614                // Setup the service cache in the ServiceManager
1615                ServiceManager.initServiceCache(services);
1616            }
1617
1618            AppBindData data = new AppBindData();
1619            data.processName = processName;
1620            data.appInfo = appInfo;
1621            data.providers = providers;
1622            data.instrumentationName = instrumentationName;
1623            data.profileFile = profileFile;
1624            data.instrumentationArgs = instrumentationArgs;
1625            data.instrumentationWatcher = instrumentationWatcher;
1626            data.debugMode = debugMode;
1627            data.restrictedBackupMode = isRestrictedBackupMode;
1628            data.config = config;
1629            queueOrSendMessage(H.BIND_APPLICATION, data);
1630        }
1631
1632        public final void scheduleExit() {
1633            queueOrSendMessage(H.EXIT_APPLICATION, null);
1634        }
1635
1636        public final void scheduleSuicide() {
1637            queueOrSendMessage(H.SUICIDE, null);
1638        }
1639
1640        public void requestThumbnail(IBinder token) {
1641            queueOrSendMessage(H.REQUEST_THUMBNAIL, token);
1642        }
1643
1644        public void scheduleConfigurationChanged(Configuration config) {
1645            synchronized (mPackages) {
1646                if (mPendingConfiguration == null ||
1647                        mPendingConfiguration.isOtherSeqNewer(config)) {
1648                    mPendingConfiguration = config;
1649                }
1650            }
1651            queueOrSendMessage(H.CONFIGURATION_CHANGED, config);
1652        }
1653
1654        public void updateTimeZone() {
1655            TimeZone.setDefault(null);
1656        }
1657
1658        public void processInBackground() {
1659            mH.removeMessages(H.GC_WHEN_IDLE);
1660            mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));
1661        }
1662
1663        public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) {
1664            DumpServiceInfo data = new DumpServiceInfo();
1665            data.fd = fd;
1666            data.service = servicetoken;
1667            data.args = args;
1668            data.dumped = false;
1669            queueOrSendMessage(H.DUMP_SERVICE, data);
1670            synchronized (data) {
1671                while (!data.dumped) {
1672                    try {
1673                        data.wait();
1674                    } catch (InterruptedException e) {
1675                        // no need to do anything here, we will keep waiting until
1676                        // dumped is set
1677                    }
1678                }
1679            }
1680        }
1681
1682        // This function exists to make sure all receiver dispatching is
1683        // correctly ordered, since these are one-way calls and the binder driver
1684        // applies transaction ordering per object for such calls.
1685        public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent,
1686                int resultCode, String dataStr, Bundle extras, boolean ordered,
1687                boolean sticky) throws RemoteException {
1688            receiver.performReceive(intent, resultCode, dataStr, extras, ordered, sticky);
1689        }
1690
1691        public void scheduleLowMemory() {
1692            queueOrSendMessage(H.LOW_MEMORY, null);
1693        }
1694
1695        public void scheduleActivityConfigurationChanged(IBinder token) {
1696            queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token);
1697        }
1698
1699        public void requestPss() {
1700            try {
1701                ActivityManagerNative.getDefault().reportPss(this,
1702                        (int)Process.getPss(Process.myPid()));
1703            } catch (RemoteException e) {
1704            }
1705        }
1706
1707        public void profilerControl(boolean start, String path, ParcelFileDescriptor fd) {
1708            ProfilerControlData pcd = new ProfilerControlData();
1709            pcd.path = path;
1710            pcd.fd = fd;
1711            queueOrSendMessage(H.PROFILER_CONTROL, pcd, start ? 1 : 0);
1712        }
1713
1714        public void setSchedulingGroup(int group) {
1715            // Note: do this immediately, since going into the foreground
1716            // should happen regardless of what pending work we have to do
1717            // and the activity manager will wait for us to report back that
1718            // we are done before sending us to the background.
1719            try {
1720                Process.setProcessGroup(Process.myPid(), group);
1721            } catch (Exception e) {
1722                Log.w(TAG, "Failed setting process group to " + group, e);
1723            }
1724        }
1725
1726        public void getMemoryInfo(Debug.MemoryInfo outInfo) {
1727            Debug.getMemoryInfo(outInfo);
1728        }
1729
1730        @Override
1731        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
1732            long nativeMax = Debug.getNativeHeapSize() / 1024;
1733            long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
1734            long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
1735
1736            Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
1737            Debug.getMemoryInfo(memInfo);
1738
1739            final int nativeShared = memInfo.nativeSharedDirty;
1740            final int dalvikShared = memInfo.dalvikSharedDirty;
1741            final int otherShared = memInfo.otherSharedDirty;
1742
1743            final int nativePrivate = memInfo.nativePrivateDirty;
1744            final int dalvikPrivate = memInfo.dalvikPrivateDirty;
1745            final int otherPrivate = memInfo.otherPrivateDirty;
1746
1747            Runtime runtime = Runtime.getRuntime();
1748
1749            long dalvikMax = runtime.totalMemory() / 1024;
1750            long dalvikFree = runtime.freeMemory() / 1024;
1751            long dalvikAllocated = dalvikMax - dalvikFree;
1752            long viewInstanceCount = ViewDebug.getViewInstanceCount();
1753            long viewRootInstanceCount = ViewDebug.getViewRootInstanceCount();
1754            long appContextInstanceCount = ContextImpl.getInstanceCount();
1755            long activityInstanceCount = Activity.getInstanceCount();
1756            int globalAssetCount = AssetManager.getGlobalAssetCount();
1757            int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
1758            int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
1759            int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
1760            int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
1761            int openSslSocketCount = OpenSSLSocketImpl.getInstanceCount();
1762            long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024;
1763            SQLiteDebug.PagerStats stats = new SQLiteDebug.PagerStats();
1764            SQLiteDebug.getPagerStats(stats);
1765
1766            // Check to see if we were called by checkin server. If so, print terse format.
1767            boolean doCheckinFormat = false;
1768            if (args != null) {
1769                for (String arg : args) {
1770                    if ("-c".equals(arg)) doCheckinFormat = true;
1771                }
1772            }
1773
1774            // For checkin, we print one long comma-separated list of values
1775            if (doCheckinFormat) {
1776                // NOTE: if you change anything significant below, also consider changing
1777                // ACTIVITY_THREAD_CHECKIN_VERSION.
1778                String processName = (mBoundApplication != null)
1779                        ? mBoundApplication.processName : "unknown";
1780
1781                // Header
1782                pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(',');
1783                pw.print(Process.myPid()); pw.print(',');
1784                pw.print(processName); pw.print(',');
1785
1786                // Heap info - max
1787                pw.print(nativeMax); pw.print(',');
1788                pw.print(dalvikMax); pw.print(',');
1789                pw.print("N/A,");
1790                pw.print(nativeMax + dalvikMax); pw.print(',');
1791
1792                // Heap info - allocated
1793                pw.print(nativeAllocated); pw.print(',');
1794                pw.print(dalvikAllocated); pw.print(',');
1795                pw.print("N/A,");
1796                pw.print(nativeAllocated + dalvikAllocated); pw.print(',');
1797
1798                // Heap info - free
1799                pw.print(nativeFree); pw.print(',');
1800                pw.print(dalvikFree); pw.print(',');
1801                pw.print("N/A,");
1802                pw.print(nativeFree + dalvikFree); pw.print(',');
1803
1804                // Heap info - proportional set size
1805                pw.print(memInfo.nativePss); pw.print(',');
1806                pw.print(memInfo.dalvikPss); pw.print(',');
1807                pw.print(memInfo.otherPss); pw.print(',');
1808                pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(',');
1809
1810                // Heap info - shared
1811                pw.print(nativeShared); pw.print(',');
1812                pw.print(dalvikShared); pw.print(',');
1813                pw.print(otherShared); pw.print(',');
1814                pw.print(nativeShared + dalvikShared + otherShared); pw.print(',');
1815
1816                // Heap info - private
1817                pw.print(nativePrivate); pw.print(',');
1818                pw.print(dalvikPrivate); pw.print(',');
1819                pw.print(otherPrivate); pw.print(',');
1820                pw.print(nativePrivate + dalvikPrivate + otherPrivate); pw.print(',');
1821
1822                // Object counts
1823                pw.print(viewInstanceCount); pw.print(',');
1824                pw.print(viewRootInstanceCount); pw.print(',');
1825                pw.print(appContextInstanceCount); pw.print(',');
1826                pw.print(activityInstanceCount); pw.print(',');
1827
1828                pw.print(globalAssetCount); pw.print(',');
1829                pw.print(globalAssetManagerCount); pw.print(',');
1830                pw.print(binderLocalObjectCount); pw.print(',');
1831                pw.print(binderProxyObjectCount); pw.print(',');
1832
1833                pw.print(binderDeathObjectCount); pw.print(',');
1834                pw.print(openSslSocketCount); pw.print(',');
1835
1836                // SQL
1837                pw.print(sqliteAllocated); pw.print(',');
1838                pw.print(stats.databaseBytes / 1024); pw.print(',');
1839                pw.print(stats.numPagers); pw.print(',');
1840                pw.print((stats.totalBytes - stats.referencedBytes) / 1024); pw.print(',');
1841                pw.print(stats.referencedBytes / 1024); pw.print('\n');
1842
1843                return;
1844            }
1845
1846            // otherwise, show human-readable format
1847            printRow(pw, HEAP_COLUMN, "", "native", "dalvik", "other", "total");
1848            printRow(pw, HEAP_COLUMN, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
1849            printRow(pw, HEAP_COLUMN, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
1850                    nativeAllocated + dalvikAllocated);
1851            printRow(pw, HEAP_COLUMN, "free:", nativeFree, dalvikFree, "N/A",
1852                    nativeFree + dalvikFree);
1853
1854            printRow(pw, HEAP_COLUMN, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
1855                    memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);
1856
1857            printRow(pw, HEAP_COLUMN, "(shared dirty):", nativeShared, dalvikShared, otherShared,
1858                    nativeShared + dalvikShared + otherShared);
1859            printRow(pw, HEAP_COLUMN, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
1860                    nativePrivate + dalvikPrivate + otherPrivate);
1861
1862            pw.println(" ");
1863            pw.println(" Objects");
1864            printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRoots:",
1865                    viewRootInstanceCount);
1866
1867            printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount,
1868                    "Activities:", activityInstanceCount);
1869
1870            printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount,
1871                    "AssetManagers:", globalAssetManagerCount);
1872
1873            printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount,
1874                    "Proxy Binders:", binderProxyObjectCount);
1875            printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount);
1876
1877            printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount);
1878
1879            // SQLite mem info
1880            pw.println(" ");
1881            pw.println(" SQL");
1882            printRow(pw, TWO_COUNT_COLUMNS, "heap:", sqliteAllocated, "dbFiles:",
1883                    stats.databaseBytes / 1024);
1884            printRow(pw, TWO_COUNT_COLUMNS, "numPagers:", stats.numPagers, "inactivePageKB:",
1885                    (stats.totalBytes - stats.referencedBytes) / 1024);
1886            printRow(pw, ONE_COUNT_COLUMN, "activePageKB:", stats.referencedBytes / 1024);
1887
1888            // Asset details.
1889            String assetAlloc = AssetManager.getAssetAllocations();
1890            if (assetAlloc != null) {
1891                pw.println(" ");
1892                pw.println(" Asset Allocations");
1893                pw.print(assetAlloc);
1894            }
1895        }
1896
1897        private void printRow(PrintWriter pw, String format, Object...objs) {
1898            pw.println(String.format(format, objs));
1899        }
1900    }
1901
1902    private final class H extends Handler {
1903        private H() {
1904            SamplingProfiler.getInstance().setEventThread(mLooper.getThread());
1905        }
1906
1907        public static final int LAUNCH_ACTIVITY         = 100;
1908        public static final int PAUSE_ACTIVITY          = 101;
1909        public static final int PAUSE_ACTIVITY_FINISHING= 102;
1910        public static final int STOP_ACTIVITY_SHOW      = 103;
1911        public static final int STOP_ACTIVITY_HIDE      = 104;
1912        public static final int SHOW_WINDOW             = 105;
1913        public static final int HIDE_WINDOW             = 106;
1914        public static final int RESUME_ACTIVITY         = 107;
1915        public static final int SEND_RESULT             = 108;
1916        public static final int DESTROY_ACTIVITY         = 109;
1917        public static final int BIND_APPLICATION        = 110;
1918        public static final int EXIT_APPLICATION        = 111;
1919        public static final int NEW_INTENT              = 112;
1920        public static final int RECEIVER                = 113;
1921        public static final int CREATE_SERVICE          = 114;
1922        public static final int SERVICE_ARGS            = 115;
1923        public static final int STOP_SERVICE            = 116;
1924        public static final int REQUEST_THUMBNAIL       = 117;
1925        public static final int CONFIGURATION_CHANGED   = 118;
1926        public static final int CLEAN_UP_CONTEXT        = 119;
1927        public static final int GC_WHEN_IDLE            = 120;
1928        public static final int BIND_SERVICE            = 121;
1929        public static final int UNBIND_SERVICE          = 122;
1930        public static final int DUMP_SERVICE            = 123;
1931        public static final int LOW_MEMORY              = 124;
1932        public static final int ACTIVITY_CONFIGURATION_CHANGED = 125;
1933        public static final int RELAUNCH_ACTIVITY       = 126;
1934        public static final int PROFILER_CONTROL        = 127;
1935        public static final int CREATE_BACKUP_AGENT     = 128;
1936        public static final int DESTROY_BACKUP_AGENT    = 129;
1937        public static final int SUICIDE                 = 130;
1938        public static final int REMOVE_PROVIDER         = 131;
1939        public static final int ENABLE_JIT              = 132;
1940        String codeToString(int code) {
1941            if (localLOGV) {
1942                switch (code) {
1943                    case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY";
1944                    case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY";
1945                    case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING";
1946                    case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW";
1947                    case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE";
1948                    case SHOW_WINDOW: return "SHOW_WINDOW";
1949                    case HIDE_WINDOW: return "HIDE_WINDOW";
1950                    case RESUME_ACTIVITY: return "RESUME_ACTIVITY";
1951                    case SEND_RESULT: return "SEND_RESULT";
1952                    case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY";
1953                    case BIND_APPLICATION: return "BIND_APPLICATION";
1954                    case EXIT_APPLICATION: return "EXIT_APPLICATION";
1955                    case NEW_INTENT: return "NEW_INTENT";
1956                    case RECEIVER: return "RECEIVER";
1957                    case CREATE_SERVICE: return "CREATE_SERVICE";
1958                    case SERVICE_ARGS: return "SERVICE_ARGS";
1959                    case STOP_SERVICE: return "STOP_SERVICE";
1960                    case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL";
1961                    case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED";
1962                    case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT";
1963                    case GC_WHEN_IDLE: return "GC_WHEN_IDLE";
1964                    case BIND_SERVICE: return "BIND_SERVICE";
1965                    case UNBIND_SERVICE: return "UNBIND_SERVICE";
1966                    case DUMP_SERVICE: return "DUMP_SERVICE";
1967                    case LOW_MEMORY: return "LOW_MEMORY";
1968                    case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED";
1969                    case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY";
1970                    case PROFILER_CONTROL: return "PROFILER_CONTROL";
1971                    case CREATE_BACKUP_AGENT: return "CREATE_BACKUP_AGENT";
1972                    case DESTROY_BACKUP_AGENT: return "DESTROY_BACKUP_AGENT";
1973                    case SUICIDE: return "SUICIDE";
1974                    case REMOVE_PROVIDER: return "REMOVE_PROVIDER";
1975                    case ENABLE_JIT: return "ENABLE_JIT";
1976                }
1977            }
1978            return "(unknown)";
1979        }
1980        public void handleMessage(Message msg) {
1981            switch (msg.what) {
1982                case LAUNCH_ACTIVITY: {
1983                    ActivityRecord r = (ActivityRecord)msg.obj;
1984
1985                    r.packageInfo = getPackageInfoNoCheck(
1986                            r.activityInfo.applicationInfo);
1987                    handleLaunchActivity(r, null);
1988                } break;
1989                case RELAUNCH_ACTIVITY: {
1990                    ActivityRecord r = (ActivityRecord)msg.obj;
1991                    handleRelaunchActivity(r, msg.arg1);
1992                } break;
1993                case PAUSE_ACTIVITY:
1994                    handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2);
1995                    maybeSnapshot();
1996                    break;
1997                case PAUSE_ACTIVITY_FINISHING:
1998                    handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2);
1999                    break;
2000                case STOP_ACTIVITY_SHOW:
2001                    handleStopActivity((IBinder)msg.obj, true, msg.arg2);
2002                    break;
2003                case STOP_ACTIVITY_HIDE:
2004                    handleStopActivity((IBinder)msg.obj, false, msg.arg2);
2005                    break;
2006                case SHOW_WINDOW:
2007                    handleWindowVisibility((IBinder)msg.obj, true);
2008                    break;
2009                case HIDE_WINDOW:
2010                    handleWindowVisibility((IBinder)msg.obj, false);
2011                    break;
2012                case RESUME_ACTIVITY:
2013                    handleResumeActivity((IBinder)msg.obj, true,
2014                            msg.arg1 != 0);
2015                    break;
2016                case SEND_RESULT:
2017                    handleSendResult((ResultData)msg.obj);
2018                    break;
2019                case DESTROY_ACTIVITY:
2020                    handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0,
2021                            msg.arg2, false);
2022                    break;
2023                case BIND_APPLICATION:
2024                    AppBindData data = (AppBindData)msg.obj;
2025                    handleBindApplication(data);
2026                    break;
2027                case EXIT_APPLICATION:
2028                    if (mInitialApplication != null) {
2029                        mInitialApplication.onTerminate();
2030                    }
2031                    Looper.myLooper().quit();
2032                    break;
2033                case NEW_INTENT:
2034                    handleNewIntent((NewIntentData)msg.obj);
2035                    break;
2036                case RECEIVER:
2037                    handleReceiver((ReceiverData)msg.obj);
2038                    maybeSnapshot();
2039                    break;
2040                case CREATE_SERVICE:
2041                    handleCreateService((CreateServiceData)msg.obj);
2042                    break;
2043                case BIND_SERVICE:
2044                    handleBindService((BindServiceData)msg.obj);
2045                    break;
2046                case UNBIND_SERVICE:
2047                    handleUnbindService((BindServiceData)msg.obj);
2048                    break;
2049                case SERVICE_ARGS:
2050                    handleServiceArgs((ServiceArgsData)msg.obj);
2051                    break;
2052                case STOP_SERVICE:
2053                    handleStopService((IBinder)msg.obj);
2054                    maybeSnapshot();
2055                    break;
2056                case REQUEST_THUMBNAIL:
2057                    handleRequestThumbnail((IBinder)msg.obj);
2058                    break;
2059                case CONFIGURATION_CHANGED:
2060                    handleConfigurationChanged((Configuration)msg.obj);
2061                    break;
2062                case CLEAN_UP_CONTEXT:
2063                    ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj;
2064                    cci.context.performFinalCleanup(cci.who, cci.what);
2065                    break;
2066                case GC_WHEN_IDLE:
2067                    scheduleGcIdler();
2068                    break;
2069                case DUMP_SERVICE:
2070                    handleDumpService((DumpServiceInfo)msg.obj);
2071                    break;
2072                case LOW_MEMORY:
2073                    handleLowMemory();
2074                    break;
2075                case ACTIVITY_CONFIGURATION_CHANGED:
2076                    handleActivityConfigurationChanged((IBinder)msg.obj);
2077                    break;
2078                case PROFILER_CONTROL:
2079                    handleProfilerControl(msg.arg1 != 0, (ProfilerControlData)msg.obj);
2080                    break;
2081                case CREATE_BACKUP_AGENT:
2082                    handleCreateBackupAgent((CreateBackupAgentData)msg.obj);
2083                    break;
2084                case DESTROY_BACKUP_AGENT:
2085                    handleDestroyBackupAgent((CreateBackupAgentData)msg.obj);
2086                    break;
2087                case SUICIDE:
2088                    Process.killProcess(Process.myPid());
2089                    break;
2090                case REMOVE_PROVIDER:
2091                    completeRemoveProvider((IContentProvider)msg.obj);
2092                    break;
2093                case ENABLE_JIT:
2094                    ensureJitEnabled();
2095                    break;
2096            }
2097        }
2098
2099        void maybeSnapshot() {
2100            if (mBoundApplication != null) {
2101                SamplingProfilerIntegration.writeSnapshot(
2102                        mBoundApplication.processName);
2103            }
2104        }
2105    }
2106
2107    private final class Idler implements MessageQueue.IdleHandler {
2108        public final boolean queueIdle() {
2109            ActivityRecord a = mNewActivities;
2110            if (a != null) {
2111                mNewActivities = null;
2112                IActivityManager am = ActivityManagerNative.getDefault();
2113                ActivityRecord prev;
2114                do {
2115                    if (localLOGV) Log.v(
2116                        TAG, "Reporting idle of " + a +
2117                        " finished=" +
2118                        (a.activity != null ? a.activity.mFinished : false));
2119                    if (a.activity != null && !a.activity.mFinished) {
2120                        try {
2121                            am.activityIdle(a.token, a.createdConfig);
2122                            a.createdConfig = null;
2123                        } catch (RemoteException ex) {
2124                        }
2125                    }
2126                    prev = a;
2127                    a = a.nextIdle;
2128                    prev.nextIdle = null;
2129                } while (a != null);
2130            }
2131            ensureJitEnabled();
2132            return false;
2133        }
2134    }
2135
2136    final class GcIdler implements MessageQueue.IdleHandler {
2137        public final boolean queueIdle() {
2138            doGcIfNeeded();
2139            return false;
2140        }
2141    }
2142
2143    private final static class ResourcesKey {
2144        final private String mResDir;
2145        final private float mScale;
2146        final private int mHash;
2147
2148        ResourcesKey(String resDir, float scale) {
2149            mResDir = resDir;
2150            mScale = scale;
2151            mHash = mResDir.hashCode() << 2 + (int) (mScale * 2);
2152        }
2153
2154        @Override
2155        public int hashCode() {
2156            return mHash;
2157        }
2158
2159        @Override
2160        public boolean equals(Object obj) {
2161            if (!(obj instanceof ResourcesKey)) {
2162                return false;
2163            }
2164            ResourcesKey peer = (ResourcesKey) obj;
2165            return mResDir.equals(peer.mResDir) && mScale == peer.mScale;
2166        }
2167    }
2168
2169    static IPackageManager sPackageManager;
2170
2171    final ApplicationThread mAppThread = new ApplicationThread();
2172    final Looper mLooper = Looper.myLooper();
2173    final H mH = new H();
2174    final HashMap<IBinder, ActivityRecord> mActivities
2175            = new HashMap<IBinder, ActivityRecord>();
2176    // List of new activities (via ActivityRecord.nextIdle) that should
2177    // be reported when next we idle.
2178    ActivityRecord mNewActivities = null;
2179    // Number of activities that are currently visible on-screen.
2180    int mNumVisibleActivities = 0;
2181    final HashMap<IBinder, Service> mServices
2182            = new HashMap<IBinder, Service>();
2183    AppBindData mBoundApplication;
2184    Configuration mConfiguration;
2185    Configuration mResConfiguration;
2186    Application mInitialApplication;
2187    final ArrayList<Application> mAllApplications
2188            = new ArrayList<Application>();
2189    // set of instantiated backup agents, keyed by package name
2190    final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>();
2191    static final ThreadLocal sThreadLocal = new ThreadLocal();
2192    Instrumentation mInstrumentation;
2193    String mInstrumentationAppDir = null;
2194    String mInstrumentationAppPackage = null;
2195    String mInstrumentedAppDir = null;
2196    boolean mSystemThread = false;
2197    boolean mJitEnabled = false;
2198
2199    // These can be accessed by multiple threads; mPackages is the lock.
2200    // XXX For now we keep around information about all packages we have
2201    // seen, not removing entries from this map.
2202    final HashMap<String, WeakReference<PackageInfo>> mPackages
2203        = new HashMap<String, WeakReference<PackageInfo>>();
2204    final HashMap<String, WeakReference<PackageInfo>> mResourcePackages
2205        = new HashMap<String, WeakReference<PackageInfo>>();
2206    Display mDisplay = null;
2207    DisplayMetrics mDisplayMetrics = null;
2208    HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources
2209        = new HashMap<ResourcesKey, WeakReference<Resources> >();
2210    final ArrayList<ActivityRecord> mRelaunchingActivities
2211            = new ArrayList<ActivityRecord>();
2212        Configuration mPendingConfiguration = null;
2213
2214    // The lock of mProviderMap protects the following variables.
2215    final HashMap<String, ProviderRecord> mProviderMap
2216        = new HashMap<String, ProviderRecord>();
2217    final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap
2218        = new HashMap<IBinder, ProviderRefCount>();
2219    final HashMap<IBinder, ProviderRecord> mLocalProviders
2220        = new HashMap<IBinder, ProviderRecord>();
2221
2222    final GcIdler mGcIdler = new GcIdler();
2223    boolean mGcIdlerScheduled = false;
2224
2225    public final PackageInfo getPackageInfo(String packageName, int flags) {
2226        synchronized (mPackages) {
2227            WeakReference<PackageInfo> ref;
2228            if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) {
2229                ref = mPackages.get(packageName);
2230            } else {
2231                ref = mResourcePackages.get(packageName);
2232            }
2233            PackageInfo packageInfo = ref != null ? ref.get() : null;
2234            //Log.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo);
2235            if (packageInfo != null && (packageInfo.mResources == null
2236                    || packageInfo.mResources.getAssets().isUpToDate())) {
2237                if (packageInfo.isSecurityViolation()
2238                        && (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) {
2239                    throw new SecurityException(
2240                            "Requesting code from " + packageName
2241                            + " to be run in process "
2242                            + mBoundApplication.processName
2243                            + "/" + mBoundApplication.appInfo.uid);
2244                }
2245                return packageInfo;
2246            }
2247        }
2248
2249        ApplicationInfo ai = null;
2250        try {
2251            ai = getPackageManager().getApplicationInfo(packageName,
2252                    PackageManager.GET_SHARED_LIBRARY_FILES);
2253        } catch (RemoteException e) {
2254        }
2255
2256        if (ai != null) {
2257            return getPackageInfo(ai, flags);
2258        }
2259
2260        return null;
2261    }
2262
2263    public final PackageInfo getPackageInfo(ApplicationInfo ai, int flags) {
2264        boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0;
2265        boolean securityViolation = includeCode && ai.uid != 0
2266                && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null
2267                        ? ai.uid != mBoundApplication.appInfo.uid : true);
2268        if ((flags&(Context.CONTEXT_INCLUDE_CODE
2269                |Context.CONTEXT_IGNORE_SECURITY))
2270                == Context.CONTEXT_INCLUDE_CODE) {
2271            if (securityViolation) {
2272                String msg = "Requesting code from " + ai.packageName
2273                        + " (with uid " + ai.uid + ")";
2274                if (mBoundApplication != null) {
2275                    msg = msg + " to be run in process "
2276                        + mBoundApplication.processName + " (with uid "
2277                        + mBoundApplication.appInfo.uid + ")";
2278                }
2279                throw new SecurityException(msg);
2280            }
2281        }
2282        return getPackageInfo(ai, null, securityViolation, includeCode);
2283    }
2284
2285    public final PackageInfo getPackageInfoNoCheck(ApplicationInfo ai) {
2286        return getPackageInfo(ai, null, false, true);
2287    }
2288
2289    private final PackageInfo getPackageInfo(ApplicationInfo aInfo,
2290            ClassLoader baseLoader, boolean securityViolation, boolean includeCode) {
2291        synchronized (mPackages) {
2292            WeakReference<PackageInfo> ref;
2293            if (includeCode) {
2294                ref = mPackages.get(aInfo.packageName);
2295            } else {
2296                ref = mResourcePackages.get(aInfo.packageName);
2297            }
2298            PackageInfo packageInfo = ref != null ? ref.get() : null;
2299            if (packageInfo == null || (packageInfo.mResources != null
2300                    && !packageInfo.mResources.getAssets().isUpToDate())) {
2301                if (localLOGV) Log.v(TAG, (includeCode ? "Loading code package "
2302                        : "Loading resource-only package ") + aInfo.packageName
2303                        + " (in " + (mBoundApplication != null
2304                                ? mBoundApplication.processName : null)
2305                        + ")");
2306                packageInfo =
2307                    new PackageInfo(this, aInfo, this, baseLoader,
2308                            securityViolation, includeCode &&
2309                            (aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0);
2310                if (includeCode) {
2311                    mPackages.put(aInfo.packageName,
2312                            new WeakReference<PackageInfo>(packageInfo));
2313                } else {
2314                    mResourcePackages.put(aInfo.packageName,
2315                            new WeakReference<PackageInfo>(packageInfo));
2316                }
2317            }
2318            return packageInfo;
2319        }
2320    }
2321
2322    public final boolean hasPackageInfo(String packageName) {
2323        synchronized (mPackages) {
2324            WeakReference<PackageInfo> ref;
2325            ref = mPackages.get(packageName);
2326            if (ref != null && ref.get() != null) {
2327                return true;
2328            }
2329            ref = mResourcePackages.get(packageName);
2330            if (ref != null && ref.get() != null) {
2331                return true;
2332            }
2333            return false;
2334        }
2335    }
2336
2337    ActivityThread() {
2338    }
2339
2340    public ApplicationThread getApplicationThread()
2341    {
2342        return mAppThread;
2343    }
2344
2345    public Instrumentation getInstrumentation()
2346    {
2347        return mInstrumentation;
2348    }
2349
2350    public Configuration getConfiguration() {
2351        return mConfiguration;
2352    }
2353
2354    public boolean isProfiling() {
2355        return mBoundApplication != null && mBoundApplication.profileFile != null;
2356    }
2357
2358    public String getProfileFilePath() {
2359        return mBoundApplication.profileFile;
2360    }
2361
2362    public Looper getLooper() {
2363        return mLooper;
2364    }
2365
2366    public Application getApplication() {
2367        return mInitialApplication;
2368    }
2369
2370    public String getProcessName() {
2371        return mBoundApplication.processName;
2372    }
2373
2374    public ContextImpl getSystemContext() {
2375        synchronized (this) {
2376            if (mSystemContext == null) {
2377                ContextImpl context =
2378                    ContextImpl.createSystemContext(this);
2379                PackageInfo info = new PackageInfo(this, "android", context, null);
2380                context.init(info, null, this);
2381                context.getResources().updateConfiguration(
2382                        getConfiguration(), getDisplayMetricsLocked(false));
2383                mSystemContext = context;
2384                //Log.i(TAG, "Created system resources " + context.getResources()
2385                //        + ": " + context.getResources().getConfiguration());
2386            }
2387        }
2388        return mSystemContext;
2389    }
2390
2391    public void installSystemApplicationInfo(ApplicationInfo info) {
2392        synchronized (this) {
2393            ContextImpl context = getSystemContext();
2394            context.init(new PackageInfo(this, "android", context, info), null, this);
2395        }
2396    }
2397
2398    void ensureJitEnabled() {
2399        if (!mJitEnabled) {
2400            mJitEnabled = true;
2401            dalvik.system.VMRuntime.getRuntime().startJitCompilation();
2402        }
2403    }
2404
2405    void scheduleGcIdler() {
2406        if (!mGcIdlerScheduled) {
2407            mGcIdlerScheduled = true;
2408            Looper.myQueue().addIdleHandler(mGcIdler);
2409        }
2410        mH.removeMessages(H.GC_WHEN_IDLE);
2411    }
2412
2413    void unscheduleGcIdler() {
2414        if (mGcIdlerScheduled) {
2415            mGcIdlerScheduled = false;
2416            Looper.myQueue().removeIdleHandler(mGcIdler);
2417        }
2418        mH.removeMessages(H.GC_WHEN_IDLE);
2419    }
2420
2421    void doGcIfNeeded() {
2422        mGcIdlerScheduled = false;
2423        final long now = SystemClock.uptimeMillis();
2424        //Log.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime()
2425        //        + "m now=" + now);
2426        if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) {
2427            //Log.i(TAG, "**** WE DO, WE DO WANT TO GC!");
2428            BinderInternal.forceGc("bg");
2429        }
2430    }
2431
2432    public final ActivityInfo resolveActivityInfo(Intent intent) {
2433        ActivityInfo aInfo = intent.resolveActivityInfo(
2434                mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES);
2435        if (aInfo == null) {
2436            // Throw an exception.
2437            Instrumentation.checkStartActivityResult(
2438                    IActivityManager.START_CLASS_NOT_FOUND, intent);
2439        }
2440        return aInfo;
2441    }
2442
2443    public final Activity startActivityNow(Activity parent, String id,
2444        Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state,
2445        Object lastNonConfigurationInstance) {
2446        ActivityRecord r = new ActivityRecord();
2447            r.token = token;
2448            r.ident = 0;
2449            r.intent = intent;
2450            r.state = state;
2451            r.parent = parent;
2452            r.embeddedID = id;
2453            r.activityInfo = activityInfo;
2454            r.lastNonConfigurationInstance = lastNonConfigurationInstance;
2455        if (localLOGV) {
2456            ComponentName compname = intent.getComponent();
2457            String name;
2458            if (compname != null) {
2459                name = compname.toShortString();
2460            } else {
2461                name = "(Intent " + intent + ").getComponent() returned null";
2462            }
2463            Log.v(TAG, "Performing launch: action=" + intent.getAction()
2464                    + ", comp=" + name
2465                    + ", token=" + token);
2466        }
2467        return performLaunchActivity(r, null);
2468    }
2469
2470    public final Activity getActivity(IBinder token) {
2471        return mActivities.get(token).activity;
2472    }
2473
2474    public final void sendActivityResult(
2475            IBinder token, String id, int requestCode,
2476            int resultCode, Intent data) {
2477        if (DEBUG_RESULTS) Log.v(TAG, "sendActivityResult: id=" + id
2478                + " req=" + requestCode + " res=" + resultCode + " data=" + data);
2479        ArrayList<ResultInfo> list = new ArrayList<ResultInfo>();
2480        list.add(new ResultInfo(id, requestCode, resultCode, data));
2481        mAppThread.scheduleSendResult(token, list);
2482    }
2483
2484    // if the thread hasn't started yet, we don't have the handler, so just
2485    // save the messages until we're ready.
2486    private final void queueOrSendMessage(int what, Object obj) {
2487        queueOrSendMessage(what, obj, 0, 0);
2488    }
2489
2490    private final void queueOrSendMessage(int what, Object obj, int arg1) {
2491        queueOrSendMessage(what, obj, arg1, 0);
2492    }
2493
2494    private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
2495        synchronized (this) {
2496            if (localLOGV) Log.v(
2497                TAG, "SCHEDULE " + what + " " + mH.codeToString(what)
2498                + ": " + arg1 + " / " + obj);
2499            Message msg = Message.obtain();
2500            msg.what = what;
2501            msg.obj = obj;
2502            msg.arg1 = arg1;
2503            msg.arg2 = arg2;
2504            mH.sendMessage(msg);
2505        }
2506    }
2507
2508    final void scheduleContextCleanup(ContextImpl context, String who,
2509            String what) {
2510        ContextCleanupInfo cci = new ContextCleanupInfo();
2511        cci.context = context;
2512        cci.who = who;
2513        cci.what = what;
2514        queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci);
2515    }
2516
2517    private final Activity performLaunchActivity(ActivityRecord r, Intent customIntent) {
2518        // System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")");
2519
2520        ActivityInfo aInfo = r.activityInfo;
2521        if (r.packageInfo == null) {
2522            r.packageInfo = getPackageInfo(aInfo.applicationInfo,
2523                    Context.CONTEXT_INCLUDE_CODE);
2524        }
2525
2526        ComponentName component = r.intent.getComponent();
2527        if (component == null) {
2528            component = r.intent.resolveActivity(
2529                mInitialApplication.getPackageManager());
2530            r.intent.setComponent(component);
2531        }
2532
2533        if (r.activityInfo.targetActivity != null) {
2534            component = new ComponentName(r.activityInfo.packageName,
2535                    r.activityInfo.targetActivity);
2536        }
2537
2538        Activity activity = null;
2539        try {
2540            java.lang.ClassLoader cl = r.packageInfo.getClassLoader();
2541            activity = mInstrumentation.newActivity(
2542                    cl, component.getClassName(), r.intent);
2543            r.intent.setExtrasClassLoader(cl);
2544            if (r.state != null) {
2545                r.state.setClassLoader(cl);
2546            }
2547        } catch (Exception e) {
2548            if (!mInstrumentation.onException(activity, e)) {
2549                throw new RuntimeException(
2550                    "Unable to instantiate activity " + component
2551                    + ": " + e.toString(), e);
2552            }
2553        }
2554
2555        try {
2556            Application app = r.packageInfo.makeApplication(false, mInstrumentation);
2557
2558            if (localLOGV) Log.v(TAG, "Performing launch of " + r);
2559            if (localLOGV) Log.v(
2560                    TAG, r + ": app=" + app
2561                    + ", appName=" + app.getPackageName()
2562                    + ", pkg=" + r.packageInfo.getPackageName()
2563                    + ", comp=" + r.intent.getComponent().toShortString()
2564                    + ", dir=" + r.packageInfo.getAppDir());
2565
2566            if (activity != null) {
2567                ContextImpl appContext = new ContextImpl();
2568                appContext.init(r.packageInfo, r.token, this);
2569                appContext.setOuterContext(activity);
2570                CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager());
2571                Configuration config = new Configuration(mConfiguration);
2572                if (DEBUG_CONFIGURATION) Log.v(TAG, "Launching activity "
2573                        + r.activityInfo.name + " with config " + config);
2574                activity.attach(appContext, this, getInstrumentation(), r.token,
2575                        r.ident, app, r.intent, r.activityInfo, title, r.parent,
2576                        r.embeddedID, r.lastNonConfigurationInstance,
2577                        r.lastNonConfigurationChildInstances, config);
2578
2579                if (customIntent != null) {
2580                    activity.mIntent = customIntent;
2581                }
2582                r.lastNonConfigurationInstance = null;
2583                r.lastNonConfigurationChildInstances = null;
2584                activity.mStartedActivity = false;
2585                int theme = r.activityInfo.getThemeResource();
2586                if (theme != 0) {
2587                    activity.setTheme(theme);
2588                }
2589
2590                activity.mCalled = false;
2591                mInstrumentation.callActivityOnCreate(activity, r.state);
2592                if (!activity.mCalled) {
2593                    throw new SuperNotCalledException(
2594                        "Activity " + r.intent.getComponent().toShortString() +
2595                        " did not call through to super.onCreate()");
2596                }
2597                r.activity = activity;
2598                r.stopped = true;
2599                if (!r.activity.mFinished) {
2600                    activity.performStart();
2601                    r.stopped = false;
2602                }
2603                if (!r.activity.mFinished) {
2604                    if (r.state != null) {
2605                        mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state);
2606                    }
2607                }
2608                if (!r.activity.mFinished) {
2609                    activity.mCalled = false;
2610                    mInstrumentation.callActivityOnPostCreate(activity, r.state);
2611                    if (!activity.mCalled) {
2612                        throw new SuperNotCalledException(
2613                            "Activity " + r.intent.getComponent().toShortString() +
2614                            " did not call through to super.onPostCreate()");
2615                    }
2616                }
2617            }
2618            r.paused = true;
2619
2620            mActivities.put(r.token, r);
2621
2622        } catch (SuperNotCalledException e) {
2623            throw e;
2624
2625        } catch (Exception e) {
2626            if (!mInstrumentation.onException(activity, e)) {
2627                throw new RuntimeException(
2628                    "Unable to start activity " + component
2629                    + ": " + e.toString(), e);
2630            }
2631        }
2632
2633        return activity;
2634    }
2635
2636    private final void handleLaunchActivity(ActivityRecord r, Intent customIntent) {
2637        // If we are getting ready to gc after going to the background, well
2638        // we are back active so skip it.
2639        unscheduleGcIdler();
2640
2641        if (localLOGV) Log.v(
2642            TAG, "Handling launch of " + r);
2643        Activity a = performLaunchActivity(r, customIntent);
2644
2645        if (a != null) {
2646            r.createdConfig = new Configuration(mConfiguration);
2647            Bundle oldState = r.state;
2648            handleResumeActivity(r.token, false, r.isForward);
2649
2650            if (!r.activity.mFinished && r.startsNotResumed) {
2651                // The activity manager actually wants this one to start out
2652                // paused, because it needs to be visible but isn't in the
2653                // foreground.  We accomplish this by going through the
2654                // normal startup (because activities expect to go through
2655                // onResume() the first time they run, before their window
2656                // is displayed), and then pausing it.  However, in this case
2657                // we do -not- need to do the full pause cycle (of freezing
2658                // and such) because the activity manager assumes it can just
2659                // retain the current state it has.
2660                try {
2661                    r.activity.mCalled = false;
2662                    mInstrumentation.callActivityOnPause(r.activity);
2663                    // We need to keep around the original state, in case
2664                    // we need to be created again.
2665                    r.state = oldState;
2666                    if (!r.activity.mCalled) {
2667                        throw new SuperNotCalledException(
2668                            "Activity " + r.intent.getComponent().toShortString() +
2669                            " did not call through to super.onPause()");
2670                    }
2671
2672                } catch (SuperNotCalledException e) {
2673                    throw e;
2674
2675                } catch (Exception e) {
2676                    if (!mInstrumentation.onException(r.activity, e)) {
2677                        throw new RuntimeException(
2678                                "Unable to pause activity "
2679                                + r.intent.getComponent().toShortString()
2680                                + ": " + e.toString(), e);
2681                    }
2682                }
2683                r.paused = true;
2684            }
2685        } else {
2686            // If there was an error, for any reason, tell the activity
2687            // manager to stop us.
2688            try {
2689                ActivityManagerNative.getDefault()
2690                    .finishActivity(r.token, Activity.RESULT_CANCELED, null);
2691            } catch (RemoteException ex) {
2692            }
2693        }
2694    }
2695
2696    private final void deliverNewIntents(ActivityRecord r,
2697            List<Intent> intents) {
2698        final int N = intents.size();
2699        for (int i=0; i<N; i++) {
2700            Intent intent = intents.get(i);
2701            intent.setExtrasClassLoader(r.activity.getClassLoader());
2702            mInstrumentation.callActivityOnNewIntent(r.activity, intent);
2703        }
2704    }
2705
2706    public final void performNewIntents(IBinder token,
2707            List<Intent> intents) {
2708        ActivityRecord r = mActivities.get(token);
2709        if (r != null) {
2710            final boolean resumed = !r.paused;
2711            if (resumed) {
2712                mInstrumentation.callActivityOnPause(r.activity);
2713            }
2714            deliverNewIntents(r, intents);
2715            if (resumed) {
2716                mInstrumentation.callActivityOnResume(r.activity);
2717            }
2718        }
2719    }
2720
2721    private final void handleNewIntent(NewIntentData data) {
2722        performNewIntents(data.token, data.intents);
2723    }
2724
2725    private final void handleReceiver(ReceiverData data) {
2726        // If we are getting ready to gc after going to the background, well
2727        // we are back active so skip it.
2728        unscheduleGcIdler();
2729
2730        String component = data.intent.getComponent().getClassName();
2731
2732        PackageInfo packageInfo = getPackageInfoNoCheck(
2733                data.info.applicationInfo);
2734
2735        IActivityManager mgr = ActivityManagerNative.getDefault();
2736
2737        BroadcastReceiver receiver = null;
2738        try {
2739            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2740            data.intent.setExtrasClassLoader(cl);
2741            if (data.resultExtras != null) {
2742                data.resultExtras.setClassLoader(cl);
2743            }
2744            receiver = (BroadcastReceiver)cl.loadClass(component).newInstance();
2745        } catch (Exception e) {
2746            try {
2747                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2748                                   data.resultData, data.resultExtras, data.resultAbort);
2749            } catch (RemoteException ex) {
2750            }
2751            throw new RuntimeException(
2752                "Unable to instantiate receiver " + component
2753                + ": " + e.toString(), e);
2754        }
2755
2756        try {
2757            Application app = packageInfo.makeApplication(false, mInstrumentation);
2758
2759            if (localLOGV) Log.v(
2760                TAG, "Performing receive of " + data.intent
2761                + ": app=" + app
2762                + ", appName=" + app.getPackageName()
2763                + ", pkg=" + packageInfo.getPackageName()
2764                + ", comp=" + data.intent.getComponent().toShortString()
2765                + ", dir=" + packageInfo.getAppDir());
2766
2767            ContextImpl context = (ContextImpl)app.getBaseContext();
2768            receiver.setOrderedHint(true);
2769            receiver.setResult(data.resultCode, data.resultData,
2770                data.resultExtras);
2771            receiver.setOrderedHint(data.sync);
2772            receiver.onReceive(context.getReceiverRestrictedContext(),
2773                    data.intent);
2774        } catch (Exception e) {
2775            try {
2776                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2777                    data.resultData, data.resultExtras, data.resultAbort);
2778            } catch (RemoteException ex) {
2779            }
2780            if (!mInstrumentation.onException(receiver, e)) {
2781                throw new RuntimeException(
2782                    "Unable to start receiver " + component
2783                    + ": " + e.toString(), e);
2784            }
2785        }
2786
2787        try {
2788            if (data.sync) {
2789                mgr.finishReceiver(
2790                    mAppThread.asBinder(), receiver.getResultCode(),
2791                    receiver.getResultData(), receiver.getResultExtras(false),
2792                        receiver.getAbortBroadcast());
2793            } else {
2794                mgr.finishReceiver(mAppThread.asBinder(), 0, null, null, false);
2795            }
2796        } catch (RemoteException ex) {
2797        }
2798    }
2799
2800    // Instantiate a BackupAgent and tell it that it's alive
2801    private final void handleCreateBackupAgent(CreateBackupAgentData data) {
2802        if (DEBUG_BACKUP) Log.v(TAG, "handleCreateBackupAgent: " + data);
2803
2804        // no longer idle; we have backup work to do
2805        unscheduleGcIdler();
2806
2807        // instantiate the BackupAgent class named in the manifest
2808        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2809        String packageName = packageInfo.mPackageName;
2810        if (mBackupAgents.get(packageName) != null) {
2811            Log.d(TAG, "BackupAgent " + "  for " + packageName
2812                    + " already exists");
2813            return;
2814        }
2815
2816        BackupAgent agent = null;
2817        String classname = data.appInfo.backupAgentName;
2818        if (classname == null) {
2819            if (data.backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) {
2820                Log.e(TAG, "Attempted incremental backup but no defined agent for "
2821                        + packageName);
2822                return;
2823            }
2824            classname = "android.app.FullBackupAgent";
2825        }
2826        try {
2827            IBinder binder = null;
2828            try {
2829                java.lang.ClassLoader cl = packageInfo.getClassLoader();
2830                agent = (BackupAgent) cl.loadClass(data.appInfo.backupAgentName).newInstance();
2831
2832                // set up the agent's context
2833                if (DEBUG_BACKUP) Log.v(TAG, "Initializing BackupAgent "
2834                        + data.appInfo.backupAgentName);
2835
2836                ContextImpl context = new ContextImpl();
2837                context.init(packageInfo, null, this);
2838                context.setOuterContext(agent);
2839                agent.attach(context);
2840
2841                agent.onCreate();
2842                binder = agent.onBind();
2843                mBackupAgents.put(packageName, agent);
2844            } catch (Exception e) {
2845                // If this is during restore, fail silently; otherwise go
2846                // ahead and let the user see the crash.
2847                Log.e(TAG, "Agent threw during creation: " + e);
2848                if (data.backupMode != IApplicationThread.BACKUP_MODE_RESTORE) {
2849                    throw e;
2850                }
2851                // falling through with 'binder' still null
2852            }
2853
2854            // tell the OS that we're live now
2855            try {
2856                ActivityManagerNative.getDefault().backupAgentCreated(packageName, binder);
2857            } catch (RemoteException e) {
2858                // nothing to do.
2859            }
2860        } catch (Exception e) {
2861            throw new RuntimeException("Unable to create BackupAgent "
2862                    + data.appInfo.backupAgentName + ": " + e.toString(), e);
2863        }
2864    }
2865
2866    // Tear down a BackupAgent
2867    private final void handleDestroyBackupAgent(CreateBackupAgentData data) {
2868        if (DEBUG_BACKUP) Log.v(TAG, "handleDestroyBackupAgent: " + data);
2869
2870        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2871        String packageName = packageInfo.mPackageName;
2872        BackupAgent agent = mBackupAgents.get(packageName);
2873        if (agent != null) {
2874            try {
2875                agent.onDestroy();
2876            } catch (Exception e) {
2877                Log.w(TAG, "Exception thrown in onDestroy by backup agent of " + data.appInfo);
2878                e.printStackTrace();
2879            }
2880            mBackupAgents.remove(packageName);
2881        } else {
2882            Log.w(TAG, "Attempt to destroy unknown backup agent " + data);
2883        }
2884    }
2885
2886    private final void handleCreateService(CreateServiceData data) {
2887        // If we are getting ready to gc after going to the background, well
2888        // we are back active so skip it.
2889        unscheduleGcIdler();
2890
2891        PackageInfo packageInfo = getPackageInfoNoCheck(
2892                data.info.applicationInfo);
2893        Service service = null;
2894        try {
2895            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2896            service = (Service) cl.loadClass(data.info.name).newInstance();
2897        } catch (Exception e) {
2898            if (!mInstrumentation.onException(service, e)) {
2899                throw new RuntimeException(
2900                    "Unable to instantiate service " + data.info.name
2901                    + ": " + e.toString(), e);
2902            }
2903        }
2904
2905        try {
2906            if (localLOGV) Log.v(TAG, "Creating service " + data.info.name);
2907
2908            ContextImpl context = new ContextImpl();
2909            context.init(packageInfo, null, this);
2910
2911            Application app = packageInfo.makeApplication(false, mInstrumentation);
2912            context.setOuterContext(service);
2913            service.attach(context, this, data.info.name, data.token, app,
2914                    ActivityManagerNative.getDefault());
2915            service.onCreate();
2916            mServices.put(data.token, service);
2917            try {
2918                ActivityManagerNative.getDefault().serviceDoneExecuting(
2919                        data.token, 0, 0, 0);
2920            } catch (RemoteException e) {
2921                // nothing to do.
2922            }
2923        } catch (Exception e) {
2924            if (!mInstrumentation.onException(service, e)) {
2925                throw new RuntimeException(
2926                    "Unable to create service " + data.info.name
2927                    + ": " + e.toString(), e);
2928            }
2929        }
2930    }
2931
2932    private final void handleBindService(BindServiceData data) {
2933        Service s = mServices.get(data.token);
2934        if (s != null) {
2935            try {
2936                data.intent.setExtrasClassLoader(s.getClassLoader());
2937                try {
2938                    if (!data.rebind) {
2939                        IBinder binder = s.onBind(data.intent);
2940                        ActivityManagerNative.getDefault().publishService(
2941                                data.token, data.intent, binder);
2942                    } else {
2943                        s.onRebind(data.intent);
2944                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2945                                data.token, 0, 0, 0);
2946                    }
2947                    ensureJitEnabled();
2948                } catch (RemoteException ex) {
2949                }
2950            } catch (Exception e) {
2951                if (!mInstrumentation.onException(s, e)) {
2952                    throw new RuntimeException(
2953                            "Unable to bind to service " + s
2954                            + " with " + data.intent + ": " + e.toString(), e);
2955                }
2956            }
2957        }
2958    }
2959
2960    private final void handleUnbindService(BindServiceData data) {
2961        Service s = mServices.get(data.token);
2962        if (s != null) {
2963            try {
2964                data.intent.setExtrasClassLoader(s.getClassLoader());
2965                boolean doRebind = s.onUnbind(data.intent);
2966                try {
2967                    if (doRebind) {
2968                        ActivityManagerNative.getDefault().unbindFinished(
2969                                data.token, data.intent, doRebind);
2970                    } else {
2971                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2972                                data.token, 0, 0, 0);
2973                    }
2974                } catch (RemoteException ex) {
2975                }
2976            } catch (Exception e) {
2977                if (!mInstrumentation.onException(s, e)) {
2978                    throw new RuntimeException(
2979                            "Unable to unbind to service " + s
2980                            + " with " + data.intent + ": " + e.toString(), e);
2981                }
2982            }
2983        }
2984    }
2985
2986    private void handleDumpService(DumpServiceInfo info) {
2987        try {
2988            Service s = mServices.get(info.service);
2989            if (s != null) {
2990                PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd));
2991                s.dump(info.fd, pw, info.args);
2992                pw.close();
2993            }
2994        } finally {
2995            synchronized (info) {
2996                info.dumped = true;
2997                info.notifyAll();
2998            }
2999        }
3000    }
3001
3002    private final void handleServiceArgs(ServiceArgsData data) {
3003        Service s = mServices.get(data.token);
3004        if (s != null) {
3005            try {
3006                if (data.args != null) {
3007                    data.args.setExtrasClassLoader(s.getClassLoader());
3008                }
3009                int res = s.onStartCommand(data.args, data.flags, data.startId);
3010                try {
3011                    ActivityManagerNative.getDefault().serviceDoneExecuting(
3012                            data.token, 1, data.startId, res);
3013                } catch (RemoteException e) {
3014                    // nothing to do.
3015                }
3016                ensureJitEnabled();
3017            } catch (Exception e) {
3018                if (!mInstrumentation.onException(s, e)) {
3019                    throw new RuntimeException(
3020                            "Unable to start service " + s
3021                            + " with " + data.args + ": " + e.toString(), e);
3022                }
3023            }
3024        }
3025    }
3026
3027    private final void handleStopService(IBinder token) {
3028        Service s = mServices.remove(token);
3029        if (s != null) {
3030            try {
3031                if (localLOGV) Log.v(TAG, "Destroying service " + s);
3032                s.onDestroy();
3033                Context context = s.getBaseContext();
3034                if (context instanceof ContextImpl) {
3035                    final String who = s.getClassName();
3036                    ((ContextImpl) context).scheduleFinalCleanup(who, "Service");
3037                }
3038                try {
3039                    ActivityManagerNative.getDefault().serviceDoneExecuting(
3040                            token, 0, 0, 0);
3041                } catch (RemoteException e) {
3042                    // nothing to do.
3043                }
3044            } catch (Exception e) {
3045                if (!mInstrumentation.onException(s, e)) {
3046                    throw new RuntimeException(
3047                            "Unable to stop service " + s
3048                            + ": " + e.toString(), e);
3049                }
3050            }
3051        }
3052        //Log.i(TAG, "Running services: " + mServices);
3053    }
3054
3055    public final ActivityRecord performResumeActivity(IBinder token,
3056            boolean clearHide) {
3057        ActivityRecord r = mActivities.get(token);
3058        if (localLOGV) Log.v(TAG, "Performing resume of " + r
3059                + " finished=" + r.activity.mFinished);
3060        if (r != null && !r.activity.mFinished) {
3061            if (clearHide) {
3062                r.hideForNow = false;
3063                r.activity.mStartedActivity = false;
3064            }
3065            try {
3066                if (r.pendingIntents != null) {
3067                    deliverNewIntents(r, r.pendingIntents);
3068                    r.pendingIntents = null;
3069                }
3070                if (r.pendingResults != null) {
3071                    deliverResults(r, r.pendingResults);
3072                    r.pendingResults = null;
3073                }
3074                r.activity.performResume();
3075
3076                EventLog.writeEvent(LOG_ON_RESUME_CALLED,
3077                        r.activity.getComponentName().getClassName());
3078
3079                r.paused = false;
3080                r.stopped = false;
3081                if (r.activity.mStartedActivity) {
3082                    r.hideForNow = true;
3083                }
3084                r.state = null;
3085            } catch (Exception e) {
3086                if (!mInstrumentation.onException(r.activity, e)) {
3087                    throw new RuntimeException(
3088                        "Unable to resume activity "
3089                        + r.intent.getComponent().toShortString()
3090                        + ": " + e.toString(), e);
3091                }
3092            }
3093        }
3094        return r;
3095    }
3096
3097    final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) {
3098        // If we are getting ready to gc after going to the background, well
3099        // we are back active so skip it.
3100        unscheduleGcIdler();
3101
3102        ActivityRecord r = performResumeActivity(token, clearHide);
3103
3104        if (r != null) {
3105            final Activity a = r.activity;
3106
3107            if (localLOGV) Log.v(
3108                TAG, "Resume " + r + " started activity: " +
3109                a.mStartedActivity + ", hideForNow: " + r.hideForNow
3110                + ", finished: " + a.mFinished);
3111
3112            final int forwardBit = isForward ?
3113                    WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0;
3114
3115            // If the window hasn't yet been added to the window manager,
3116            // and this guy didn't finish itself or start another activity,
3117            // then go ahead and add the window.
3118            if (r.window == null && !a.mFinished && !a.mStartedActivity) {
3119                r.window = r.activity.getWindow();
3120                View decor = r.window.getDecorView();
3121                decor.setVisibility(View.INVISIBLE);
3122                ViewManager wm = a.getWindowManager();
3123                WindowManager.LayoutParams l = r.window.getAttributes();
3124                a.mDecor = decor;
3125                l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
3126                l.softInputMode |= forwardBit;
3127                if (a.mVisibleFromClient) {
3128                    a.mWindowAdded = true;
3129                    wm.addView(decor, l);
3130                }
3131
3132            // If the window has already been added, but during resume
3133            // we started another activity, then don't yet make the
3134            // window visisble.
3135            } else if (a.mStartedActivity) {
3136                if (localLOGV) Log.v(
3137                    TAG, "Launch " + r + " mStartedActivity set");
3138                r.hideForNow = true;
3139            }
3140
3141            // The window is now visible if it has been added, we are not
3142            // simply finishing, and we are not starting another activity.
3143            if (!r.activity.mFinished && !a.mStartedActivity
3144                    && r.activity.mDecor != null && !r.hideForNow) {
3145                if (r.newConfig != null) {
3146                    if (DEBUG_CONFIGURATION) Log.v(TAG, "Resuming activity "
3147                            + r.activityInfo.name + " with newConfig " + r.newConfig);
3148                    performConfigurationChanged(r.activity, r.newConfig);
3149                    r.newConfig = null;
3150                }
3151                if (localLOGV) Log.v(TAG, "Resuming " + r + " with isForward="
3152                        + isForward);
3153                WindowManager.LayoutParams l = r.window.getAttributes();
3154                if ((l.softInputMode
3155                        & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)
3156                        != forwardBit) {
3157                    l.softInputMode = (l.softInputMode
3158                            & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION))
3159                            | forwardBit;
3160                    if (r.activity.mVisibleFromClient) {
3161                        ViewManager wm = a.getWindowManager();
3162                        View decor = r.window.getDecorView();
3163                        wm.updateViewLayout(decor, l);
3164                    }
3165                }
3166                r.activity.mVisibleFromServer = true;
3167                mNumVisibleActivities++;
3168                if (r.activity.mVisibleFromClient) {
3169                    r.activity.makeVisible();
3170                }
3171            }
3172
3173            r.nextIdle = mNewActivities;
3174            mNewActivities = r;
3175            if (localLOGV) Log.v(
3176                TAG, "Scheduling idle handler for " + r);
3177            Looper.myQueue().addIdleHandler(new Idler());
3178
3179        } else {
3180            // If an exception was thrown when trying to resume, then
3181            // just end this activity.
3182            try {
3183                ActivityManagerNative.getDefault()
3184                    .finishActivity(token, Activity.RESULT_CANCELED, null);
3185            } catch (RemoteException ex) {
3186            }
3187        }
3188    }
3189
3190    private int mThumbnailWidth = -1;
3191    private int mThumbnailHeight = -1;
3192
3193    private final Bitmap createThumbnailBitmap(ActivityRecord r) {
3194        Bitmap thumbnail = null;
3195        try {
3196            int w = mThumbnailWidth;
3197            int h;
3198            if (w < 0) {
3199                Resources res = r.activity.getResources();
3200                mThumbnailHeight = h =
3201                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
3202
3203                mThumbnailWidth = w =
3204                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
3205            } else {
3206                h = mThumbnailHeight;
3207            }
3208
3209            // XXX Only set hasAlpha if needed?
3210            thumbnail = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
3211            thumbnail.eraseColor(0);
3212            Canvas cv = new Canvas(thumbnail);
3213            if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
3214                thumbnail = null;
3215            }
3216        } catch (Exception e) {
3217            if (!mInstrumentation.onException(r.activity, e)) {
3218                throw new RuntimeException(
3219                        "Unable to create thumbnail of "
3220                        + r.intent.getComponent().toShortString()
3221                        + ": " + e.toString(), e);
3222            }
3223            thumbnail = null;
3224        }
3225
3226        return thumbnail;
3227    }
3228
3229    private final void handlePauseActivity(IBinder token, boolean finished,
3230            boolean userLeaving, int configChanges) {
3231        ActivityRecord r = mActivities.get(token);
3232        if (r != null) {
3233            //Log.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r);
3234            if (userLeaving) {
3235                performUserLeavingActivity(r);
3236            }
3237
3238            r.activity.mConfigChangeFlags |= configChanges;
3239            Bundle state = performPauseActivity(token, finished, true);
3240
3241            // Tell the activity manager we have paused.
3242            try {
3243                ActivityManagerNative.getDefault().activityPaused(token, state);
3244            } catch (RemoteException ex) {
3245            }
3246        }
3247    }
3248
3249    final void performUserLeavingActivity(ActivityRecord r) {
3250        mInstrumentation.callActivityOnUserLeaving(r.activity);
3251    }
3252
3253    final Bundle performPauseActivity(IBinder token, boolean finished,
3254            boolean saveState) {
3255        ActivityRecord r = mActivities.get(token);
3256        return r != null ? performPauseActivity(r, finished, saveState) : null;
3257    }
3258
3259    final Bundle performPauseActivity(ActivityRecord r, boolean finished,
3260            boolean saveState) {
3261        if (r.paused) {
3262            if (r.activity.mFinished) {
3263                // If we are finishing, we won't call onResume() in certain cases.
3264                // So here we likewise don't want to call onPause() if the activity
3265                // isn't resumed.
3266                return null;
3267            }
3268            RuntimeException e = new RuntimeException(
3269                    "Performing pause of activity that is not resumed: "
3270                    + r.intent.getComponent().toShortString());
3271            Log.e(TAG, e.getMessage(), e);
3272        }
3273        Bundle state = null;
3274        if (finished) {
3275            r.activity.mFinished = true;
3276        }
3277        try {
3278            // Next have the activity save its current state and managed dialogs...
3279            if (!r.activity.mFinished && saveState) {
3280                state = new Bundle();
3281                mInstrumentation.callActivityOnSaveInstanceState(r.activity, state);
3282                r.state = state;
3283            }
3284            // Now we are idle.
3285            r.activity.mCalled = false;
3286            mInstrumentation.callActivityOnPause(r.activity);
3287            EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName());
3288            if (!r.activity.mCalled) {
3289                throw new SuperNotCalledException(
3290                    "Activity " + r.intent.getComponent().toShortString() +
3291                    " did not call through to super.onPause()");
3292            }
3293
3294        } catch (SuperNotCalledException e) {
3295            throw e;
3296
3297        } catch (Exception e) {
3298            if (!mInstrumentation.onException(r.activity, e)) {
3299                throw new RuntimeException(
3300                        "Unable to pause activity "
3301                        + r.intent.getComponent().toShortString()
3302                        + ": " + e.toString(), e);
3303            }
3304        }
3305        r.paused = true;
3306        return state;
3307    }
3308
3309    final void performStopActivity(IBinder token) {
3310        ActivityRecord r = mActivities.get(token);
3311        performStopActivityInner(r, null, false);
3312    }
3313
3314    private static class StopInfo {
3315        Bitmap thumbnail;
3316        CharSequence description;
3317    }
3318
3319    private final class ProviderRefCount {
3320        public int count;
3321        ProviderRefCount(int pCount) {
3322            count = pCount;
3323        }
3324    }
3325
3326    private final void performStopActivityInner(ActivityRecord r,
3327            StopInfo info, boolean keepShown) {
3328        if (localLOGV) Log.v(TAG, "Performing stop of " + r);
3329        if (r != null) {
3330            if (!keepShown && r.stopped) {
3331                if (r.activity.mFinished) {
3332                    // If we are finishing, we won't call onResume() in certain
3333                    // cases.  So here we likewise don't want to call onStop()
3334                    // if the activity isn't resumed.
3335                    return;
3336                }
3337                RuntimeException e = new RuntimeException(
3338                        "Performing stop of activity that is not resumed: "
3339                        + r.intent.getComponent().toShortString());
3340                Log.e(TAG, e.getMessage(), e);
3341            }
3342
3343            if (info != null) {
3344                try {
3345                    // First create a thumbnail for the activity...
3346                    //info.thumbnail = createThumbnailBitmap(r);
3347                    info.description = r.activity.onCreateDescription();
3348                } catch (Exception e) {
3349                    if (!mInstrumentation.onException(r.activity, e)) {
3350                        throw new RuntimeException(
3351                                "Unable to save state of activity "
3352                                + r.intent.getComponent().toShortString()
3353                                + ": " + e.toString(), e);
3354                    }
3355                }
3356            }
3357
3358            if (!keepShown) {
3359                try {
3360                    // Now we are idle.
3361                    r.activity.performStop();
3362                } catch (Exception e) {
3363                    if (!mInstrumentation.onException(r.activity, e)) {
3364                        throw new RuntimeException(
3365                                "Unable to stop activity "
3366                                + r.intent.getComponent().toShortString()
3367                                + ": " + e.toString(), e);
3368                    }
3369                }
3370                r.stopped = true;
3371            }
3372
3373            r.paused = true;
3374        }
3375    }
3376
3377    private final void updateVisibility(ActivityRecord r, boolean show) {
3378        View v = r.activity.mDecor;
3379        if (v != null) {
3380            if (show) {
3381                if (!r.activity.mVisibleFromServer) {
3382                    r.activity.mVisibleFromServer = true;
3383                    mNumVisibleActivities++;
3384                    if (r.activity.mVisibleFromClient) {
3385                        r.activity.makeVisible();
3386                    }
3387                }
3388                if (r.newConfig != null) {
3389                    if (DEBUG_CONFIGURATION) Log.v(TAG, "Updating activity vis "
3390                            + r.activityInfo.name + " with new config " + r.newConfig);
3391                    performConfigurationChanged(r.activity, r.newConfig);
3392                    r.newConfig = null;
3393                }
3394            } else {
3395                if (r.activity.mVisibleFromServer) {
3396                    r.activity.mVisibleFromServer = false;
3397                    mNumVisibleActivities--;
3398                    v.setVisibility(View.INVISIBLE);
3399                }
3400            }
3401        }
3402    }
3403
3404    private final void handleStopActivity(IBinder token, boolean show, int configChanges) {
3405        ActivityRecord r = mActivities.get(token);
3406        r.activity.mConfigChangeFlags |= configChanges;
3407
3408        StopInfo info = new StopInfo();
3409        performStopActivityInner(r, info, show);
3410
3411        if (localLOGV) Log.v(
3412            TAG, "Finishing stop of " + r + ": show=" + show
3413            + " win=" + r.window);
3414
3415        updateVisibility(r, show);
3416
3417        // Tell activity manager we have been stopped.
3418        try {
3419            ActivityManagerNative.getDefault().activityStopped(
3420                r.token, info.thumbnail, info.description);
3421        } catch (RemoteException ex) {
3422        }
3423    }
3424
3425    final void performRestartActivity(IBinder token) {
3426        ActivityRecord r = mActivities.get(token);
3427        if (r.stopped) {
3428            r.activity.performRestart();
3429            r.stopped = false;
3430        }
3431    }
3432
3433    private final void handleWindowVisibility(IBinder token, boolean show) {
3434        ActivityRecord r = mActivities.get(token);
3435        if (!show && !r.stopped) {
3436            performStopActivityInner(r, null, show);
3437        } else if (show && r.stopped) {
3438            // If we are getting ready to gc after going to the background, well
3439            // we are back active so skip it.
3440            unscheduleGcIdler();
3441
3442            r.activity.performRestart();
3443            r.stopped = false;
3444        }
3445        if (r.activity.mDecor != null) {
3446            if (Config.LOGV) Log.v(
3447                TAG, "Handle window " + r + " visibility: " + show);
3448            updateVisibility(r, show);
3449        }
3450    }
3451
3452    private final void deliverResults(ActivityRecord r, List<ResultInfo> results) {
3453        final int N = results.size();
3454        for (int i=0; i<N; i++) {
3455            ResultInfo ri = results.get(i);
3456            try {
3457                if (ri.mData != null) {
3458                    ri.mData.setExtrasClassLoader(r.activity.getClassLoader());
3459                }
3460                if (DEBUG_RESULTS) Log.v(TAG,
3461                        "Delivering result to activity " + r + " : " + ri);
3462                r.activity.dispatchActivityResult(ri.mResultWho,
3463                        ri.mRequestCode, ri.mResultCode, ri.mData);
3464            } catch (Exception e) {
3465                if (!mInstrumentation.onException(r.activity, e)) {
3466                    throw new RuntimeException(
3467                            "Failure delivering result " + ri + " to activity "
3468                            + r.intent.getComponent().toShortString()
3469                            + ": " + e.toString(), e);
3470                }
3471            }
3472        }
3473    }
3474
3475    private final void handleSendResult(ResultData res) {
3476        ActivityRecord r = mActivities.get(res.token);
3477        if (DEBUG_RESULTS) Log.v(TAG, "Handling send result to " + r);
3478        if (r != null) {
3479            final boolean resumed = !r.paused;
3480            if (!r.activity.mFinished && r.activity.mDecor != null
3481                    && r.hideForNow && resumed) {
3482                // We had hidden the activity because it started another
3483                // one...  we have gotten a result back and we are not
3484                // paused, so make sure our window is visible.
3485                updateVisibility(r, true);
3486            }
3487            if (resumed) {
3488                try {
3489                    // Now we are idle.
3490                    r.activity.mCalled = false;
3491                    mInstrumentation.callActivityOnPause(r.activity);
3492                    if (!r.activity.mCalled) {
3493                        throw new SuperNotCalledException(
3494                            "Activity " + r.intent.getComponent().toShortString()
3495                            + " did not call through to super.onPause()");
3496                    }
3497                } catch (SuperNotCalledException e) {
3498                    throw e;
3499                } catch (Exception e) {
3500                    if (!mInstrumentation.onException(r.activity, e)) {
3501                        throw new RuntimeException(
3502                                "Unable to pause activity "
3503                                + r.intent.getComponent().toShortString()
3504                                + ": " + e.toString(), e);
3505                    }
3506                }
3507            }
3508            deliverResults(r, res.results);
3509            if (resumed) {
3510                mInstrumentation.callActivityOnResume(r.activity);
3511            }
3512        }
3513    }
3514
3515    public final ActivityRecord performDestroyActivity(IBinder token, boolean finishing) {
3516        return performDestroyActivity(token, finishing, 0, false);
3517    }
3518
3519    private final ActivityRecord performDestroyActivity(IBinder token, boolean finishing,
3520            int configChanges, boolean getNonConfigInstance) {
3521        ActivityRecord r = mActivities.get(token);
3522        if (localLOGV) Log.v(TAG, "Performing finish of " + r);
3523        if (r != null) {
3524            r.activity.mConfigChangeFlags |= configChanges;
3525            if (finishing) {
3526                r.activity.mFinished = true;
3527            }
3528            if (!r.paused) {
3529                try {
3530                    r.activity.mCalled = false;
3531                    mInstrumentation.callActivityOnPause(r.activity);
3532                    EventLog.writeEvent(LOG_ON_PAUSE_CALLED,
3533                            r.activity.getComponentName().getClassName());
3534                    if (!r.activity.mCalled) {
3535                        throw new SuperNotCalledException(
3536                            "Activity " + safeToComponentShortString(r.intent)
3537                            + " did not call through to super.onPause()");
3538                    }
3539                } catch (SuperNotCalledException e) {
3540                    throw e;
3541                } catch (Exception e) {
3542                    if (!mInstrumentation.onException(r.activity, e)) {
3543                        throw new RuntimeException(
3544                                "Unable to pause activity "
3545                                + safeToComponentShortString(r.intent)
3546                                + ": " + e.toString(), e);
3547                    }
3548                }
3549                r.paused = true;
3550            }
3551            if (!r.stopped) {
3552                try {
3553                    r.activity.performStop();
3554                } catch (SuperNotCalledException e) {
3555                    throw e;
3556                } catch (Exception e) {
3557                    if (!mInstrumentation.onException(r.activity, e)) {
3558                        throw new RuntimeException(
3559                                "Unable to stop activity "
3560                                + safeToComponentShortString(r.intent)
3561                                + ": " + e.toString(), e);
3562                    }
3563                }
3564                r.stopped = true;
3565            }
3566            if (getNonConfigInstance) {
3567                try {
3568                    r.lastNonConfigurationInstance
3569                            = r.activity.onRetainNonConfigurationInstance();
3570                } catch (Exception e) {
3571                    if (!mInstrumentation.onException(r.activity, e)) {
3572                        throw new RuntimeException(
3573                                "Unable to retain activity "
3574                                + r.intent.getComponent().toShortString()
3575                                + ": " + e.toString(), e);
3576                    }
3577                }
3578                try {
3579                    r.lastNonConfigurationChildInstances
3580                            = r.activity.onRetainNonConfigurationChildInstances();
3581                } catch (Exception e) {
3582                    if (!mInstrumentation.onException(r.activity, e)) {
3583                        throw new RuntimeException(
3584                                "Unable to retain child activities "
3585                                + safeToComponentShortString(r.intent)
3586                                + ": " + e.toString(), e);
3587                    }
3588                }
3589
3590            }
3591            try {
3592                r.activity.mCalled = false;
3593                r.activity.onDestroy();
3594                if (!r.activity.mCalled) {
3595                    throw new SuperNotCalledException(
3596                        "Activity " + safeToComponentShortString(r.intent) +
3597                        " did not call through to super.onDestroy()");
3598                }
3599                if (r.window != null) {
3600                    r.window.closeAllPanels();
3601                }
3602            } catch (SuperNotCalledException e) {
3603                throw e;
3604            } catch (Exception e) {
3605                if (!mInstrumentation.onException(r.activity, e)) {
3606                    throw new RuntimeException(
3607                            "Unable to destroy activity " + safeToComponentShortString(r.intent)
3608                            + ": " + e.toString(), e);
3609                }
3610            }
3611        }
3612        mActivities.remove(token);
3613
3614        return r;
3615    }
3616
3617    private static String safeToComponentShortString(Intent intent) {
3618        ComponentName component = intent.getComponent();
3619        return component == null ? "[Unknown]" : component.toShortString();
3620    }
3621
3622    private final void handleDestroyActivity(IBinder token, boolean finishing,
3623            int configChanges, boolean getNonConfigInstance) {
3624        ActivityRecord r = performDestroyActivity(token, finishing,
3625                configChanges, getNonConfigInstance);
3626        if (r != null) {
3627            WindowManager wm = r.activity.getWindowManager();
3628            View v = r.activity.mDecor;
3629            if (v != null) {
3630                if (r.activity.mVisibleFromServer) {
3631                    mNumVisibleActivities--;
3632                }
3633                IBinder wtoken = v.getWindowToken();
3634                if (r.activity.mWindowAdded) {
3635                    wm.removeViewImmediate(v);
3636                }
3637                if (wtoken != null) {
3638                    WindowManagerImpl.getDefault().closeAll(wtoken,
3639                            r.activity.getClass().getName(), "Activity");
3640                }
3641                r.activity.mDecor = null;
3642            }
3643            WindowManagerImpl.getDefault().closeAll(token,
3644                    r.activity.getClass().getName(), "Activity");
3645
3646            // Mocked out contexts won't be participating in the normal
3647            // process lifecycle, but if we're running with a proper
3648            // ApplicationContext we need to have it tear down things
3649            // cleanly.
3650            Context c = r.activity.getBaseContext();
3651            if (c instanceof ContextImpl) {
3652                ((ContextImpl) c).scheduleFinalCleanup(
3653                        r.activity.getClass().getName(), "Activity");
3654            }
3655        }
3656        if (finishing) {
3657            try {
3658                ActivityManagerNative.getDefault().activityDestroyed(token);
3659            } catch (RemoteException ex) {
3660                // If the system process has died, it's game over for everyone.
3661            }
3662        }
3663    }
3664
3665    private final void handleRelaunchActivity(ActivityRecord tmp, int configChanges) {
3666        // If we are getting ready to gc after going to the background, well
3667        // we are back active so skip it.
3668        unscheduleGcIdler();
3669
3670        Configuration changedConfig = null;
3671
3672        if (DEBUG_CONFIGURATION) Log.v(TAG, "Relaunching activity "
3673                + tmp.token + " with configChanges=0x"
3674                + Integer.toHexString(configChanges));
3675
3676        // First: make sure we have the most recent configuration and most
3677        // recent version of the activity, or skip it if some previous call
3678        // had taken a more recent version.
3679        synchronized (mPackages) {
3680            int N = mRelaunchingActivities.size();
3681            IBinder token = tmp.token;
3682            tmp = null;
3683            for (int i=0; i<N; i++) {
3684                ActivityRecord r = mRelaunchingActivities.get(i);
3685                if (r.token == token) {
3686                    tmp = r;
3687                    mRelaunchingActivities.remove(i);
3688                    i--;
3689                    N--;
3690                }
3691            }
3692
3693            if (tmp == null) {
3694                if (DEBUG_CONFIGURATION) Log.v(TAG, "Abort, activity not relaunching!");
3695                return;
3696            }
3697
3698            if (mPendingConfiguration != null) {
3699                changedConfig = mPendingConfiguration;
3700                mPendingConfiguration = null;
3701            }
3702        }
3703
3704        if (tmp.createdConfig != null) {
3705            // If the activity manager is passing us its current config,
3706            // assume that is really what we want regardless of what we
3707            // may have pending.
3708            if (mConfiguration == null
3709                    || (tmp.createdConfig.isOtherSeqNewer(mConfiguration)
3710                            && mConfiguration.diff(tmp.createdConfig) != 0)) {
3711                if (changedConfig == null
3712                        || tmp.createdConfig.isOtherSeqNewer(changedConfig)) {
3713                    changedConfig = tmp.createdConfig;
3714                }
3715            }
3716        }
3717
3718        if (DEBUG_CONFIGURATION) Log.v(TAG, "Relaunching activity "
3719                + tmp.token + ": changedConfig=" + changedConfig);
3720
3721        // If there was a pending configuration change, execute it first.
3722        if (changedConfig != null) {
3723            handleConfigurationChanged(changedConfig);
3724        }
3725
3726        ActivityRecord r = mActivities.get(tmp.token);
3727        if (DEBUG_CONFIGURATION) Log.v(TAG, "Handling relaunch of " + r);
3728        if (r == null) {
3729            return;
3730        }
3731
3732        r.activity.mConfigChangeFlags |= configChanges;
3733        Intent currentIntent = r.activity.mIntent;
3734
3735        Bundle savedState = null;
3736        if (!r.paused) {
3737            savedState = performPauseActivity(r.token, false, true);
3738        }
3739
3740        handleDestroyActivity(r.token, false, configChanges, true);
3741
3742        r.activity = null;
3743        r.window = null;
3744        r.hideForNow = false;
3745        r.nextIdle = null;
3746        // Merge any pending results and pending intents; don't just replace them
3747        if (tmp.pendingResults != null) {
3748            if (r.pendingResults == null) {
3749                r.pendingResults = tmp.pendingResults;
3750            } else {
3751                r.pendingResults.addAll(tmp.pendingResults);
3752            }
3753        }
3754        if (tmp.pendingIntents != null) {
3755            if (r.pendingIntents == null) {
3756                r.pendingIntents = tmp.pendingIntents;
3757            } else {
3758                r.pendingIntents.addAll(tmp.pendingIntents);
3759            }
3760        }
3761        r.startsNotResumed = tmp.startsNotResumed;
3762        if (savedState != null) {
3763            r.state = savedState;
3764        }
3765
3766        handleLaunchActivity(r, currentIntent);
3767    }
3768
3769    private final void handleRequestThumbnail(IBinder token) {
3770        ActivityRecord r = mActivities.get(token);
3771        Bitmap thumbnail = createThumbnailBitmap(r);
3772        CharSequence description = null;
3773        try {
3774            description = r.activity.onCreateDescription();
3775        } catch (Exception e) {
3776            if (!mInstrumentation.onException(r.activity, e)) {
3777                throw new RuntimeException(
3778                        "Unable to create description of activity "
3779                        + r.intent.getComponent().toShortString()
3780                        + ": " + e.toString(), e);
3781            }
3782        }
3783        //System.out.println("Reporting top thumbnail " + thumbnail);
3784        try {
3785            ActivityManagerNative.getDefault().reportThumbnail(
3786                token, thumbnail, description);
3787        } catch (RemoteException ex) {
3788        }
3789    }
3790
3791    ArrayList<ComponentCallbacks> collectComponentCallbacksLocked(
3792            boolean allActivities, Configuration newConfig) {
3793        ArrayList<ComponentCallbacks> callbacks
3794                = new ArrayList<ComponentCallbacks>();
3795
3796        if (mActivities.size() > 0) {
3797            Iterator<ActivityRecord> it = mActivities.values().iterator();
3798            while (it.hasNext()) {
3799                ActivityRecord ar = it.next();
3800                Activity a = ar.activity;
3801                if (a != null) {
3802                    if (!ar.activity.mFinished && (allActivities ||
3803                            (a != null && !ar.paused))) {
3804                        // If the activity is currently resumed, its configuration
3805                        // needs to change right now.
3806                        callbacks.add(a);
3807                    } else if (newConfig != null) {
3808                        // Otherwise, we will tell it about the change
3809                        // the next time it is resumed or shown.  Note that
3810                        // the activity manager may, before then, decide the
3811                        // activity needs to be destroyed to handle its new
3812                        // configuration.
3813                        if (DEBUG_CONFIGURATION) Log.v(TAG, "Setting activity "
3814                                + ar.activityInfo.name + " newConfig=" + newConfig);
3815                        ar.newConfig = newConfig;
3816                    }
3817                }
3818            }
3819        }
3820        if (mServices.size() > 0) {
3821            Iterator<Service> it = mServices.values().iterator();
3822            while (it.hasNext()) {
3823                callbacks.add(it.next());
3824            }
3825        }
3826        synchronized (mProviderMap) {
3827            if (mLocalProviders.size() > 0) {
3828                Iterator<ProviderRecord> it = mLocalProviders.values().iterator();
3829                while (it.hasNext()) {
3830                    callbacks.add(it.next().mLocalProvider);
3831                }
3832            }
3833        }
3834        final int N = mAllApplications.size();
3835        for (int i=0; i<N; i++) {
3836            callbacks.add(mAllApplications.get(i));
3837        }
3838
3839        return callbacks;
3840    }
3841
3842    private final void performConfigurationChanged(
3843            ComponentCallbacks cb, Configuration config) {
3844        // Only for Activity objects, check that they actually call up to their
3845        // superclass implementation.  ComponentCallbacks is an interface, so
3846        // we check the runtime type and act accordingly.
3847        Activity activity = (cb instanceof Activity) ? (Activity) cb : null;
3848        if (activity != null) {
3849            activity.mCalled = false;
3850        }
3851
3852        boolean shouldChangeConfig = false;
3853        if ((activity == null) || (activity.mCurrentConfig == null)) {
3854            shouldChangeConfig = true;
3855        } else {
3856
3857            // If the new config is the same as the config this Activity
3858            // is already running with then don't bother calling
3859            // onConfigurationChanged
3860            int diff = activity.mCurrentConfig.diff(config);
3861            if (diff != 0) {
3862
3863                // If this activity doesn't handle any of the config changes
3864                // then don't bother calling onConfigurationChanged as we're
3865                // going to destroy it.
3866                if ((~activity.mActivityInfo.configChanges & diff) == 0) {
3867                    shouldChangeConfig = true;
3868                }
3869            }
3870        }
3871
3872        if (DEBUG_CONFIGURATION) Log.v(TAG, "Config callback " + cb
3873                + ": shouldChangeConfig=" + shouldChangeConfig);
3874        if (shouldChangeConfig) {
3875            cb.onConfigurationChanged(config);
3876
3877            if (activity != null) {
3878                if (!activity.mCalled) {
3879                    throw new SuperNotCalledException(
3880                            "Activity " + activity.getLocalClassName() +
3881                        " did not call through to super.onConfigurationChanged()");
3882                }
3883                activity.mConfigChangeFlags = 0;
3884                activity.mCurrentConfig = new Configuration(config);
3885            }
3886        }
3887    }
3888
3889    final void applyConfigurationToResourcesLocked(Configuration config) {
3890        if (mResConfiguration == null) {
3891            mResConfiguration = new Configuration();
3892        }
3893        if (!mResConfiguration.isOtherSeqNewer(config)) {
3894            return;
3895        }
3896        mResConfiguration.updateFrom(config);
3897        DisplayMetrics dm = getDisplayMetricsLocked(true);
3898
3899        // set it for java, this also affects newly created Resources
3900        if (config.locale != null) {
3901            Locale.setDefault(config.locale);
3902        }
3903
3904        Resources.updateSystemConfiguration(config, dm);
3905
3906        ContextImpl.ApplicationPackageManager.configurationChanged();
3907        //Log.i(TAG, "Configuration changed in " + currentPackageName());
3908
3909        Iterator<WeakReference<Resources>> it =
3910            mActiveResources.values().iterator();
3911        //Iterator<Map.Entry<String, WeakReference<Resources>>> it =
3912        //    mActiveResources.entrySet().iterator();
3913        while (it.hasNext()) {
3914            WeakReference<Resources> v = it.next();
3915            Resources r = v.get();
3916            if (r != null) {
3917                r.updateConfiguration(config, dm);
3918                //Log.i(TAG, "Updated app resources " + v.getKey()
3919                //        + " " + r + ": " + r.getConfiguration());
3920            } else {
3921                //Log.i(TAG, "Removing old resources " + v.getKey());
3922                it.remove();
3923            }
3924        }
3925    }
3926
3927    final void handleConfigurationChanged(Configuration config) {
3928
3929        ArrayList<ComponentCallbacks> callbacks = null;
3930
3931        synchronized (mPackages) {
3932            if (mPendingConfiguration != null) {
3933                if (!mPendingConfiguration.isOtherSeqNewer(config)) {
3934                    config = mPendingConfiguration;
3935                }
3936                mPendingConfiguration = null;
3937            }
3938
3939            if (config == null) {
3940                return;
3941            }
3942
3943            if (DEBUG_CONFIGURATION) Log.v(TAG, "Handle configuration changed: "
3944                    + config);
3945
3946            applyConfigurationToResourcesLocked(config);
3947
3948            if (mConfiguration == null) {
3949                mConfiguration = new Configuration();
3950            }
3951            if (!mConfiguration.isOtherSeqNewer(config)) {
3952                return;
3953            }
3954            mConfiguration.updateFrom(config);
3955
3956            callbacks = collectComponentCallbacksLocked(false, config);
3957        }
3958
3959        if (callbacks != null) {
3960            final int N = callbacks.size();
3961            for (int i=0; i<N; i++) {
3962                performConfigurationChanged(callbacks.get(i), config);
3963            }
3964        }
3965    }
3966
3967    final void handleActivityConfigurationChanged(IBinder token) {
3968        ActivityRecord r = mActivities.get(token);
3969        if (r == null || r.activity == null) {
3970            return;
3971        }
3972
3973        if (DEBUG_CONFIGURATION) Log.v(TAG, "Handle activity config changed: "
3974                + r.activityInfo.name);
3975
3976        performConfigurationChanged(r.activity, mConfiguration);
3977    }
3978
3979    final void handleProfilerControl(boolean start, ProfilerControlData pcd) {
3980        if (start) {
3981            try {
3982                Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(),
3983                        8 * 1024 * 1024, 0);
3984            } catch (RuntimeException e) {
3985                Log.w(TAG, "Profiling failed on path " + pcd.path
3986                        + " -- can the process access this path?");
3987            } finally {
3988                try {
3989                    pcd.fd.close();
3990                } catch (IOException e) {
3991                    Log.w(TAG, "Failure closing profile fd", e);
3992                }
3993            }
3994        } else {
3995            Debug.stopMethodTracing();
3996        }
3997    }
3998
3999    final void handleLowMemory() {
4000        ArrayList<ComponentCallbacks> callbacks
4001                = new ArrayList<ComponentCallbacks>();
4002
4003        synchronized (mPackages) {
4004            callbacks = collectComponentCallbacksLocked(true, null);
4005        }
4006
4007        final int N = callbacks.size();
4008        for (int i=0; i<N; i++) {
4009            callbacks.get(i).onLowMemory();
4010        }
4011
4012        // Ask SQLite to free up as much memory as it can, mostly from its page caches.
4013        if (Process.myUid() != Process.SYSTEM_UID) {
4014            int sqliteReleased = SQLiteDatabase.releaseMemory();
4015            EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased);
4016        }
4017
4018        // Ask graphics to free up as much as possible (font/image caches)
4019        Canvas.freeCaches();
4020
4021        BinderInternal.forceGc("mem");
4022    }
4023
4024    private final void handleBindApplication(AppBindData data) {
4025        mBoundApplication = data;
4026        mConfiguration = new Configuration(data.config);
4027
4028        // send up app name; do this *before* waiting for debugger
4029        Process.setArgV0(data.processName);
4030        android.ddm.DdmHandleAppName.setAppName(data.processName);
4031
4032        /*
4033         * Before spawning a new process, reset the time zone to be the system time zone.
4034         * This needs to be done because the system time zone could have changed after the
4035         * the spawning of this process. Without doing this this process would have the incorrect
4036         * system time zone.
4037         */
4038        TimeZone.setDefault(null);
4039
4040        /*
4041         * Initialize the default locale in this process for the reasons we set the time zone.
4042         */
4043        Locale.setDefault(data.config.locale);
4044
4045        /*
4046         * Update the system configuration since its preloaded and might not
4047         * reflect configuration changes. The configuration object passed
4048         * in AppBindData can be safely assumed to be up to date
4049         */
4050        Resources.getSystem().updateConfiguration(mConfiguration, null);
4051
4052        data.info = getPackageInfoNoCheck(data.appInfo);
4053
4054        /**
4055         * Switch this process to density compatibility mode if needed.
4056         */
4057        if ((data.appInfo.flags&ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES)
4058                == 0) {
4059            Bitmap.setDefaultDensity(DisplayMetrics.DENSITY_DEFAULT);
4060        }
4061
4062        if (data.debugMode != IApplicationThread.DEBUG_OFF) {
4063            // XXX should have option to change the port.
4064            Debug.changeDebugPort(8100);
4065            if (data.debugMode == IApplicationThread.DEBUG_WAIT) {
4066                Log.w(TAG, "Application " + data.info.getPackageName()
4067                      + " is waiting for the debugger on port 8100...");
4068
4069                IActivityManager mgr = ActivityManagerNative.getDefault();
4070                try {
4071                    mgr.showWaitingForDebugger(mAppThread, true);
4072                } catch (RemoteException ex) {
4073                }
4074
4075                Debug.waitForDebugger();
4076
4077                try {
4078                    mgr.showWaitingForDebugger(mAppThread, false);
4079                } catch (RemoteException ex) {
4080                }
4081
4082            } else {
4083                Log.w(TAG, "Application " + data.info.getPackageName()
4084                      + " can be debugged on port 8100...");
4085            }
4086        }
4087
4088        if (data.instrumentationName != null) {
4089            ContextImpl appContext = new ContextImpl();
4090            appContext.init(data.info, null, this);
4091            InstrumentationInfo ii = null;
4092            try {
4093                ii = appContext.getPackageManager().
4094                    getInstrumentationInfo(data.instrumentationName, 0);
4095            } catch (PackageManager.NameNotFoundException e) {
4096            }
4097            if (ii == null) {
4098                throw new RuntimeException(
4099                    "Unable to find instrumentation info for: "
4100                    + data.instrumentationName);
4101            }
4102
4103            mInstrumentationAppDir = ii.sourceDir;
4104            mInstrumentationAppPackage = ii.packageName;
4105            mInstrumentedAppDir = data.info.getAppDir();
4106
4107            ApplicationInfo instrApp = new ApplicationInfo();
4108            instrApp.packageName = ii.packageName;
4109            instrApp.sourceDir = ii.sourceDir;
4110            instrApp.publicSourceDir = ii.publicSourceDir;
4111            instrApp.dataDir = ii.dataDir;
4112            PackageInfo pi = getPackageInfo(instrApp,
4113                    appContext.getClassLoader(), false, true);
4114            ContextImpl instrContext = new ContextImpl();
4115            instrContext.init(pi, null, this);
4116
4117            try {
4118                java.lang.ClassLoader cl = instrContext.getClassLoader();
4119                mInstrumentation = (Instrumentation)
4120                    cl.loadClass(data.instrumentationName.getClassName()).newInstance();
4121            } catch (Exception e) {
4122                throw new RuntimeException(
4123                    "Unable to instantiate instrumentation "
4124                    + data.instrumentationName + ": " + e.toString(), e);
4125            }
4126
4127            mInstrumentation.init(this, instrContext, appContext,
4128                    new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher);
4129
4130            if (data.profileFile != null && !ii.handleProfiling) {
4131                data.handlingProfiling = true;
4132                File file = new File(data.profileFile);
4133                file.getParentFile().mkdirs();
4134                Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
4135            }
4136
4137            try {
4138                mInstrumentation.onCreate(data.instrumentationArgs);
4139            }
4140            catch (Exception e) {
4141                throw new RuntimeException(
4142                    "Exception thrown in onCreate() of "
4143                    + data.instrumentationName + ": " + e.toString(), e);
4144            }
4145
4146        } else {
4147            mInstrumentation = new Instrumentation();
4148        }
4149
4150        // If the app is being launched for full backup or restore, bring it up in
4151        // a restricted environment with the base application class.
4152        Application app = data.info.makeApplication(data.restrictedBackupMode, null);
4153        mInitialApplication = app;
4154
4155        List<ProviderInfo> providers = data.providers;
4156        if (providers != null) {
4157            installContentProviders(app, providers);
4158            // For process that contain content providers, we want to
4159            // ensure that the JIT is enabled "at some point".
4160            mH.sendEmptyMessageDelayed(H.ENABLE_JIT, 10*1000);
4161        }
4162
4163        try {
4164            mInstrumentation.callApplicationOnCreate(app);
4165        } catch (Exception e) {
4166            if (!mInstrumentation.onException(app, e)) {
4167                throw new RuntimeException(
4168                    "Unable to create application " + app.getClass().getName()
4169                    + ": " + e.toString(), e);
4170            }
4171        }
4172    }
4173
4174    /*package*/ final void finishInstrumentation(int resultCode, Bundle results) {
4175        IActivityManager am = ActivityManagerNative.getDefault();
4176        if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) {
4177            Debug.stopMethodTracing();
4178        }
4179        //Log.i(TAG, "am: " + ActivityManagerNative.getDefault()
4180        //      + ", app thr: " + mAppThread);
4181        try {
4182            am.finishInstrumentation(mAppThread, resultCode, results);
4183        } catch (RemoteException ex) {
4184        }
4185    }
4186
4187    private final void installContentProviders(
4188            Context context, List<ProviderInfo> providers) {
4189        final ArrayList<IActivityManager.ContentProviderHolder> results =
4190            new ArrayList<IActivityManager.ContentProviderHolder>();
4191
4192        Iterator<ProviderInfo> i = providers.iterator();
4193        while (i.hasNext()) {
4194            ProviderInfo cpi = i.next();
4195            StringBuilder buf = new StringBuilder(128);
4196            buf.append("Publishing provider ");
4197            buf.append(cpi.authority);
4198            buf.append(": ");
4199            buf.append(cpi.name);
4200            Log.i(TAG, buf.toString());
4201            IContentProvider cp = installProvider(context, null, cpi, false);
4202            if (cp != null) {
4203                IActivityManager.ContentProviderHolder cph =
4204                    new IActivityManager.ContentProviderHolder(cpi);
4205                cph.provider = cp;
4206                results.add(cph);
4207                // Don't ever unload this provider from the process.
4208                synchronized(mProviderMap) {
4209                    mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000));
4210                }
4211            }
4212        }
4213
4214        try {
4215            ActivityManagerNative.getDefault().publishContentProviders(
4216                getApplicationThread(), results);
4217        } catch (RemoteException ex) {
4218        }
4219    }
4220
4221    private final IContentProvider getProvider(Context context, String name) {
4222        synchronized(mProviderMap) {
4223            final ProviderRecord pr = mProviderMap.get(name);
4224            if (pr != null) {
4225                return pr.mProvider;
4226            }
4227        }
4228
4229        IActivityManager.ContentProviderHolder holder = null;
4230        try {
4231            holder = ActivityManagerNative.getDefault().getContentProvider(
4232                getApplicationThread(), name);
4233        } catch (RemoteException ex) {
4234        }
4235        if (holder == null) {
4236            Log.e(TAG, "Failed to find provider info for " + name);
4237            return null;
4238        }
4239        if (holder.permissionFailure != null) {
4240            throw new SecurityException("Permission " + holder.permissionFailure
4241                    + " required for provider " + name);
4242        }
4243
4244        IContentProvider prov = installProvider(context, holder.provider,
4245                holder.info, true);
4246        //Log.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded);
4247        if (holder.noReleaseNeeded || holder.provider == null) {
4248            // We are not going to release the provider if it is an external
4249            // provider that doesn't care about being released, or if it is
4250            // a local provider running in this process.
4251            //Log.i(TAG, "*** NO RELEASE NEEDED");
4252            synchronized(mProviderMap) {
4253                mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000));
4254            }
4255        }
4256        return prov;
4257    }
4258
4259    public final IContentProvider acquireProvider(Context c, String name) {
4260        IContentProvider provider = getProvider(c, name);
4261        if(provider == null)
4262            return null;
4263        IBinder jBinder = provider.asBinder();
4264        synchronized(mProviderMap) {
4265            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4266            if(prc == null) {
4267                mProviderRefCountMap.put(jBinder, new ProviderRefCount(1));
4268            } else {
4269                prc.count++;
4270            } //end else
4271        } //end synchronized
4272        return provider;
4273    }
4274
4275    public final boolean releaseProvider(IContentProvider provider) {
4276        if(provider == null) {
4277            return false;
4278        }
4279        IBinder jBinder = provider.asBinder();
4280        synchronized(mProviderMap) {
4281            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4282            if(prc == null) {
4283                if(localLOGV) Log.v(TAG, "releaseProvider::Weird shouldnt be here");
4284                return false;
4285            } else {
4286                prc.count--;
4287                if(prc.count == 0) {
4288                    // Schedule the actual remove asynchronously, since we
4289                    // don't know the context this will be called in.
4290                    // TODO: it would be nice to post a delayed message, so
4291                    // if we come back and need the same provider quickly
4292                    // we will still have it available.
4293                    Message msg = mH.obtainMessage(H.REMOVE_PROVIDER, provider);
4294                    mH.sendMessage(msg);
4295                } //end if
4296            } //end else
4297        } //end synchronized
4298        return true;
4299    }
4300
4301    final void completeRemoveProvider(IContentProvider provider) {
4302        IBinder jBinder = provider.asBinder();
4303        String name = null;
4304        synchronized(mProviderMap) {
4305            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
4306            if(prc != null && prc.count == 0) {
4307                mProviderRefCountMap.remove(jBinder);
4308                //invoke removeProvider to dereference provider
4309                name = removeProviderLocked(provider);
4310            }
4311        }
4312
4313        if (name != null) {
4314            try {
4315                if(localLOGV) Log.v(TAG, "removeProvider::Invoking " +
4316                        "ActivityManagerNative.removeContentProvider(" + name);
4317                ActivityManagerNative.getDefault().removeContentProvider(
4318                        getApplicationThread(), name);
4319            } catch (RemoteException e) {
4320                //do nothing content provider object is dead any way
4321            } //end catch
4322        }
4323    }
4324
4325    public final String removeProviderLocked(IContentProvider provider) {
4326        if (provider == null) {
4327            return null;
4328        }
4329        IBinder providerBinder = provider.asBinder();
4330
4331        String name = null;
4332
4333        // remove the provider from mProviderMap
4334        Iterator<ProviderRecord> iter = mProviderMap.values().iterator();
4335        while (iter.hasNext()) {
4336            ProviderRecord pr = iter.next();
4337            IBinder myBinder = pr.mProvider.asBinder();
4338            if (myBinder == providerBinder) {
4339                //find if its published by this process itself
4340                if(pr.mLocalProvider != null) {
4341                    if(localLOGV) Log.i(TAG, "removeProvider::found local provider returning");
4342                    return name;
4343                }
4344                if(localLOGV) Log.v(TAG, "removeProvider::Not local provider Unlinking " +
4345                        "death recipient");
4346                //content provider is in another process
4347                myBinder.unlinkToDeath(pr, 0);
4348                iter.remove();
4349                //invoke remove only once for the very first name seen
4350                if(name == null) {
4351                    name = pr.mName;
4352                }
4353            } //end if myBinder
4354        }  //end while iter
4355
4356        return name;
4357    }
4358
4359    final void removeDeadProvider(String name, IContentProvider provider) {
4360        synchronized(mProviderMap) {
4361            ProviderRecord pr = mProviderMap.get(name);
4362            if (pr.mProvider.asBinder() == provider.asBinder()) {
4363                Log.i(TAG, "Removing dead content provider: " + name);
4364                ProviderRecord removed = mProviderMap.remove(name);
4365                if (removed != null) {
4366                    removed.mProvider.asBinder().unlinkToDeath(removed, 0);
4367                }
4368            }
4369        }
4370    }
4371
4372    final void removeDeadProviderLocked(String name, IContentProvider provider) {
4373        ProviderRecord pr = mProviderMap.get(name);
4374        if (pr.mProvider.asBinder() == provider.asBinder()) {
4375            Log.i(TAG, "Removing dead content provider: " + name);
4376            ProviderRecord removed = mProviderMap.remove(name);
4377            if (removed != null) {
4378                removed.mProvider.asBinder().unlinkToDeath(removed, 0);
4379            }
4380        }
4381    }
4382
4383    private final IContentProvider installProvider(Context context,
4384            IContentProvider provider, ProviderInfo info, boolean noisy) {
4385        ContentProvider localProvider = null;
4386        if (provider == null) {
4387            if (noisy) {
4388                Log.d(TAG, "Loading provider " + info.authority + ": "
4389                        + info.name);
4390            }
4391            Context c = null;
4392            ApplicationInfo ai = info.applicationInfo;
4393            if (context.getPackageName().equals(ai.packageName)) {
4394                c = context;
4395            } else if (mInitialApplication != null &&
4396                    mInitialApplication.getPackageName().equals(ai.packageName)) {
4397                c = mInitialApplication;
4398            } else {
4399                try {
4400                    c = context.createPackageContext(ai.packageName,
4401                            Context.CONTEXT_INCLUDE_CODE);
4402                } catch (PackageManager.NameNotFoundException e) {
4403                }
4404            }
4405            if (c == null) {
4406                Log.w(TAG, "Unable to get context for package " +
4407                      ai.packageName +
4408                      " while loading content provider " +
4409                      info.name);
4410                return null;
4411            }
4412            try {
4413                final java.lang.ClassLoader cl = c.getClassLoader();
4414                localProvider = (ContentProvider)cl.
4415                    loadClass(info.name).newInstance();
4416                provider = localProvider.getIContentProvider();
4417                if (provider == null) {
4418                    Log.e(TAG, "Failed to instantiate class " +
4419                          info.name + " from sourceDir " +
4420                          info.applicationInfo.sourceDir);
4421                    return null;
4422                }
4423                if (Config.LOGV) Log.v(
4424                    TAG, "Instantiating local provider " + info.name);
4425                // XXX Need to create the correct context for this provider.
4426                localProvider.attachInfo(c, info);
4427            } catch (java.lang.Exception e) {
4428                if (!mInstrumentation.onException(null, e)) {
4429                    throw new RuntimeException(
4430                            "Unable to get provider " + info.name
4431                            + ": " + e.toString(), e);
4432                }
4433                return null;
4434            }
4435        } else if (localLOGV) {
4436            Log.v(TAG, "Installing external provider " + info.authority + ": "
4437                    + info.name);
4438        }
4439
4440        synchronized (mProviderMap) {
4441            // Cache the pointer for the remote provider.
4442            String names[] = PATTERN_SEMICOLON.split(info.authority);
4443            for (int i=0; i<names.length; i++) {
4444                ProviderRecord pr = new ProviderRecord(names[i], provider,
4445                        localProvider);
4446                try {
4447                    provider.asBinder().linkToDeath(pr, 0);
4448                    mProviderMap.put(names[i], pr);
4449                } catch (RemoteException e) {
4450                    return null;
4451                }
4452            }
4453            if (localProvider != null) {
4454                mLocalProviders.put(provider.asBinder(),
4455                        new ProviderRecord(null, provider, localProvider));
4456            }
4457        }
4458
4459        return provider;
4460    }
4461
4462    private final void attach(boolean system) {
4463        sThreadLocal.set(this);
4464        mSystemThread = system;
4465        if (!system) {
4466            ViewRoot.addFirstDrawHandler(new Runnable() {
4467                public void run() {
4468                    ensureJitEnabled();
4469                }
4470            });
4471            android.ddm.DdmHandleAppName.setAppName("<pre-initialized>");
4472            RuntimeInit.setApplicationObject(mAppThread.asBinder());
4473            IActivityManager mgr = ActivityManagerNative.getDefault();
4474            try {
4475                mgr.attachApplication(mAppThread);
4476            } catch (RemoteException ex) {
4477            }
4478        } else {
4479            // Don't set application object here -- if the system crashes,
4480            // we can't display an alert, we just want to die die die.
4481            android.ddm.DdmHandleAppName.setAppName("system_process");
4482            try {
4483                mInstrumentation = new Instrumentation();
4484                ContextImpl context = new ContextImpl();
4485                context.init(getSystemContext().mPackageInfo, null, this);
4486                Application app = Instrumentation.newApplication(Application.class, context);
4487                mAllApplications.add(app);
4488                mInitialApplication = app;
4489                app.onCreate();
4490            } catch (Exception e) {
4491                throw new RuntimeException(
4492                        "Unable to instantiate Application():" + e.toString(), e);
4493            }
4494        }
4495
4496        ViewRoot.addConfigCallback(new ComponentCallbacks() {
4497            public void onConfigurationChanged(Configuration newConfig) {
4498                synchronized (mPackages) {
4499                    if (mPendingConfiguration == null ||
4500                            mPendingConfiguration.isOtherSeqNewer(newConfig)) {
4501                        mPendingConfiguration = newConfig;
4502
4503                        // We need to apply this change to the resources
4504                        // immediately, because upon returning the view
4505                        // hierarchy will be informed about it.
4506                        applyConfigurationToResourcesLocked(newConfig);
4507                    }
4508                }
4509                queueOrSendMessage(H.CONFIGURATION_CHANGED, newConfig);
4510            }
4511            public void onLowMemory() {
4512            }
4513        });
4514    }
4515
4516    private final void detach()
4517    {
4518        sThreadLocal.set(null);
4519    }
4520
4521    public static final ActivityThread systemMain() {
4522        ActivityThread thread = new ActivityThread();
4523        thread.attach(true);
4524        return thread;
4525    }
4526
4527    public final void installSystemProviders(List providers) {
4528        if (providers != null) {
4529            installContentProviders(mInitialApplication,
4530                                    (List<ProviderInfo>)providers);
4531        }
4532    }
4533
4534    public static final void main(String[] args) {
4535        SamplingProfilerIntegration.start();
4536
4537        Process.setArgV0("<pre-initialized>");
4538
4539        Looper.prepareMainLooper();
4540
4541        ActivityThread thread = new ActivityThread();
4542        thread.attach(false);
4543
4544        Looper.loop();
4545
4546        if (Process.supportsProcesses()) {
4547            throw new RuntimeException("Main thread loop unexpectedly exited");
4548        }
4549
4550        thread.detach();
4551        String name = (thread.mInitialApplication != null)
4552            ? thread.mInitialApplication.getPackageName()
4553            : "<unknown>";
4554        Log.i(TAG, "Main thread of " + name + " is now exiting");
4555    }
4556}
4557