ActivityThread.java revision 3025ef332c29e255388f74b2afefe05f64bce07c
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.app;
18
19import android.content.BroadcastReceiver;
20import android.content.ComponentCallbacks;
21import android.content.ComponentName;
22import android.content.ContentProvider;
23import android.content.Context;
24import android.content.IContentProvider;
25import android.content.Intent;
26import android.content.IIntentReceiver;
27import android.content.ServiceConnection;
28import android.content.pm.ActivityInfo;
29import android.content.pm.ApplicationInfo;
30import android.content.pm.IPackageManager;
31import android.content.pm.InstrumentationInfo;
32import android.content.pm.PackageManager;
33import android.content.pm.ProviderInfo;
34import android.content.pm.ServiceInfo;
35import android.content.res.AssetManager;
36import android.content.res.CompatibilityInfo;
37import android.content.res.Configuration;
38import android.content.res.Resources;
39import android.database.sqlite.SQLiteDatabase;
40import android.database.sqlite.SQLiteDebug;
41import android.graphics.Bitmap;
42import android.graphics.Canvas;
43import android.net.http.AndroidHttpClient;
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.Window;
66import android.view.WindowManager;
67import android.view.WindowManagerImpl;
68
69import com.android.internal.os.BinderInternal;
70import com.android.internal.os.RuntimeInit;
71import com.android.internal.util.ArrayUtils;
72
73import org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl;
74
75import java.io.File;
76import java.io.FileDescriptor;
77import java.io.FileOutputStream;
78import java.io.IOException;
79import java.io.PrintWriter;
80import java.lang.ref.WeakReference;
81import java.util.ArrayList;
82import java.util.HashMap;
83import java.util.Iterator;
84import java.util.List;
85import java.util.Locale;
86import java.util.Map;
87import java.util.TimeZone;
88import java.util.regex.Pattern;
89
90final class IntentReceiverLeaked extends AndroidRuntimeException {
91    public IntentReceiverLeaked(String msg) {
92        super(msg);
93    }
94}
95
96final class ServiceConnectionLeaked extends AndroidRuntimeException {
97    public ServiceConnectionLeaked(String msg) {
98        super(msg);
99    }
100}
101
102final class SuperNotCalledException extends AndroidRuntimeException {
103    public SuperNotCalledException(String msg) {
104        super(msg);
105    }
106}
107
108/**
109 * This manages the execution of the main thread in an
110 * application process, scheduling and executing activities,
111 * broadcasts, and other operations on it as the activity
112 * manager requests.
113 *
114 * {@hide}
115 */
116public final class ActivityThread {
117    private static final String TAG = "ActivityThread";
118    private static final boolean DEBUG = false;
119    private static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV;
120    private static final boolean DEBUG_BROADCAST = false;
121    private static final boolean DEBUG_RESULTS = false;
122    private static final boolean DEBUG_BACKUP = true;
123    private static final long MIN_TIME_BETWEEN_GCS = 5*1000;
124    private static final Pattern PATTERN_SEMICOLON = Pattern.compile(";");
125    private static final int SQLITE_MEM_RELEASED_EVENT_LOG_TAG = 75003;
126    private static final int LOG_ON_PAUSE_CALLED = 30021;
127    private static final int LOG_ON_RESUME_CALLED = 30022;
128
129
130    public static final ActivityThread currentActivityThread() {
131        return (ActivityThread)sThreadLocal.get();
132    }
133
134    public static final String currentPackageName()
135    {
136        ActivityThread am = currentActivityThread();
137        return (am != null && am.mBoundApplication != null)
138            ? am.mBoundApplication.processName : null;
139    }
140
141    public static IPackageManager getPackageManager() {
142        if (sPackageManager != null) {
143            //Log.v("PackageManager", "returning cur default = " + sPackageManager);
144            return sPackageManager;
145        }
146        IBinder b = ServiceManager.getService("package");
147        //Log.v("PackageManager", "default service binder = " + b);
148        sPackageManager = IPackageManager.Stub.asInterface(b);
149        //Log.v("PackageManager", "default service = " + sPackageManager);
150        return sPackageManager;
151    }
152
153    DisplayMetrics getDisplayMetricsLocked(boolean forceUpdate) {
154        if (mDisplayMetrics != null && !forceUpdate) {
155            return mDisplayMetrics;
156        }
157        if (mDisplay == null) {
158            WindowManager wm = WindowManagerImpl.getDefault();
159            mDisplay = wm.getDefaultDisplay();
160        }
161        DisplayMetrics metrics = mDisplayMetrics = new DisplayMetrics();
162        mDisplay.getMetrics(metrics);
163        //Log.i("foo", "New metrics: w=" + metrics.widthPixels + " h="
164        //        + metrics.heightPixels + " den=" + metrics.density
165        //        + " xdpi=" + metrics.xdpi + " ydpi=" + metrics.ydpi);
166        return metrics;
167    }
168
169    /**
170     * Creates the top level Resources for applications with the given compatibility info.
171     *
172     * @param resDir the resource directory.
173     * @param compInfo the compability info. It will use the default compatibility info when it's
174     * null.
175     */
176    Resources getTopLevelResources(String resDir, CompatibilityInfo compInfo) {
177        synchronized (mPackages) {
178            // Resources is app scale dependent.
179            ResourcesKey key = new ResourcesKey(resDir, compInfo.applicationScale);
180            if (false) {
181                Log.w(TAG, "getTopLevelResources: " + resDir + " / "
182                        + compInfo.applicationScale);
183            }
184            WeakReference<Resources> wr = mActiveResources.get(key);
185            Resources r = wr != null ? wr.get() : null;
186            if (r != null && r.getAssets().isUpToDate()) {
187                if (false) {
188                    Log.w(TAG, "Returning cached resources " + r + " " + resDir
189                            + ": appScale=" + r.getCompatibilityInfo().applicationScale);
190                }
191                return r;
192            }
193
194            //if (r != null) {
195            //    Log.w(TAG, "Throwing away out-of-date resources!!!! "
196            //            + r + " " + resDir);
197            //}
198
199            AssetManager assets = new AssetManager();
200            if (assets.addAssetPath(resDir) == 0) {
201                return null;
202            }
203
204            //Log.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics);
205            DisplayMetrics metrics = getDisplayMetricsLocked(false);
206            r = new Resources(assets, metrics, getConfiguration(), compInfo);
207            if (false) {
208                Log.i(TAG, "Created app resources " + resDir + " " + r + ": "
209                        + r.getConfiguration() + " appScale="
210                        + r.getCompatibilityInfo().applicationScale);
211            }
212            // XXX need to remove entries when weak references go away
213            mActiveResources.put(key, new WeakReference<Resources>(r));
214            return r;
215        }
216    }
217
218    /**
219     * Creates the top level resources for the given package.
220     */
221    Resources getTopLevelResources(String resDir, PackageInfo pkgInfo) {
222        return getTopLevelResources(resDir, pkgInfo.mCompatibilityInfo);
223    }
224
225    final Handler getHandler() {
226        return mH;
227    }
228
229    public final static class PackageInfo {
230
231        private final ActivityThread mActivityThread;
232        private final ApplicationInfo mApplicationInfo;
233        private final String mPackageName;
234        private final String mAppDir;
235        private final String mResDir;
236        private final String[] mSharedLibraries;
237        private final String mDataDir;
238        private final File mDataDirFile;
239        private final ClassLoader mBaseClassLoader;
240        private final boolean mSecurityViolation;
241        private final boolean mIncludeCode;
242        private Resources mResources;
243        private ClassLoader mClassLoader;
244        private Application mApplication;
245        private CompatibilityInfo mCompatibilityInfo;
246
247        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mReceivers
248            = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
249        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mUnregisteredReceivers
250        = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
251        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mServices
252            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
253        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mUnboundServices
254            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
255
256        int mClientCount = 0;
257
258        public PackageInfo(ActivityThread activityThread, ApplicationInfo aInfo,
259                ActivityThread mainThread, ClassLoader baseLoader,
260                boolean securityViolation, boolean includeCode) {
261            mActivityThread = activityThread;
262            mApplicationInfo = aInfo;
263            mPackageName = aInfo.packageName;
264            mAppDir = aInfo.sourceDir;
265            mResDir = aInfo.uid == Process.myUid() ? aInfo.sourceDir
266                    : aInfo.publicSourceDir;
267            mSharedLibraries = aInfo.sharedLibraryFiles;
268            mDataDir = aInfo.dataDir;
269            mDataDirFile = mDataDir != null ? new File(mDataDir) : null;
270            mBaseClassLoader = baseLoader;
271            mSecurityViolation = securityViolation;
272            mIncludeCode = includeCode;
273            mCompatibilityInfo = new CompatibilityInfo(aInfo);
274
275            if (mAppDir == null) {
276                if (mSystemContext == null) {
277                    mSystemContext =
278                        ApplicationContext.createSystemContext(mainThread);
279                    mSystemContext.getResources().updateConfiguration(
280                             mainThread.getConfiguration(),
281                             mainThread.getDisplayMetricsLocked(false));
282                    //Log.i(TAG, "Created system resources "
283                    //        + mSystemContext.getResources() + ": "
284                    //        + mSystemContext.getResources().getConfiguration());
285                }
286                mClassLoader = mSystemContext.getClassLoader();
287                mResources = mSystemContext.getResources();
288            }
289        }
290
291        public PackageInfo(ActivityThread activityThread, String name,
292                Context systemContext) {
293            mActivityThread = activityThread;
294            mApplicationInfo = new ApplicationInfo();
295            mApplicationInfo.packageName = name;
296            mPackageName = name;
297            mAppDir = null;
298            mResDir = null;
299            mSharedLibraries = null;
300            mDataDir = null;
301            mDataDirFile = null;
302            mBaseClassLoader = null;
303            mSecurityViolation = false;
304            mIncludeCode = true;
305            mClassLoader = systemContext.getClassLoader();
306            mResources = systemContext.getResources();
307            mCompatibilityInfo = new CompatibilityInfo(mApplicationInfo);
308        }
309
310        public String getPackageName() {
311            return mPackageName;
312        }
313
314        public ApplicationInfo getApplicationInfo() {
315            return mApplicationInfo;
316        }
317
318        public boolean isSecurityViolation() {
319            return mSecurityViolation;
320        }
321
322        /**
323         * Gets the array of shared libraries that are listed as
324         * used by the given package.
325         *
326         * @param packageName the name of the package (note: not its
327         * file name)
328         * @return null-ok; the array of shared libraries, each one
329         * a fully-qualified path
330         */
331        private static String[] getLibrariesFor(String packageName) {
332            ApplicationInfo ai = null;
333            try {
334                ai = getPackageManager().getApplicationInfo(packageName,
335                        PackageManager.GET_SHARED_LIBRARY_FILES);
336            } catch (RemoteException e) {
337                throw new AssertionError(e);
338            }
339
340            if (ai == null) {
341                return null;
342            }
343
344            return ai.sharedLibraryFiles;
345        }
346
347        /**
348         * Combines two arrays (of library names) such that they are
349         * concatenated in order but are devoid of duplicates. The
350         * result is a single string with the names of the libraries
351         * separated by colons, or <code>null</code> if both lists
352         * were <code>null</code> or empty.
353         *
354         * @param list1 null-ok; the first list
355         * @param list2 null-ok; the second list
356         * @return null-ok; the combination
357         */
358        private static String combineLibs(String[] list1, String[] list2) {
359            StringBuilder result = new StringBuilder(300);
360            boolean first = true;
361
362            if (list1 != null) {
363                for (String s : list1) {
364                    if (first) {
365                        first = false;
366                    } else {
367                        result.append(':');
368                    }
369                    result.append(s);
370                }
371            }
372
373            // Only need to check for duplicates if list1 was non-empty.
374            boolean dupCheck = !first;
375
376            if (list2 != null) {
377                for (String s : list2) {
378                    if (dupCheck && ArrayUtils.contains(list1, s)) {
379                        continue;
380                    }
381
382                    if (first) {
383                        first = false;
384                    } else {
385                        result.append(':');
386                    }
387                    result.append(s);
388                }
389            }
390
391            return result.toString();
392        }
393
394        public ClassLoader getClassLoader() {
395            synchronized (this) {
396                if (mClassLoader != null) {
397                    return mClassLoader;
398                }
399
400                if (mIncludeCode && !mPackageName.equals("android")) {
401                    String zip = mAppDir;
402
403                    /*
404                     * The following is a bit of a hack to inject
405                     * instrumentation into the system: If the app
406                     * being started matches one of the instrumentation names,
407                     * then we combine both the "instrumentation" and
408                     * "instrumented" app into the path, along with the
409                     * concatenation of both apps' shared library lists.
410                     */
411
412                    String instrumentationAppDir =
413                            mActivityThread.mInstrumentationAppDir;
414                    String instrumentationAppPackage =
415                            mActivityThread.mInstrumentationAppPackage;
416                    String instrumentedAppDir =
417                            mActivityThread.mInstrumentedAppDir;
418                    String[] instrumentationLibs = null;
419
420                    if (mAppDir.equals(instrumentationAppDir)
421                            || mAppDir.equals(instrumentedAppDir)) {
422                        zip = instrumentationAppDir + ":" + instrumentedAppDir;
423                        if (! instrumentedAppDir.equals(instrumentationAppDir)) {
424                            instrumentationLibs =
425                                getLibrariesFor(instrumentationAppPackage);
426                        }
427                    }
428
429                    if ((mSharedLibraries != null) ||
430                            (instrumentationLibs != null)) {
431                        zip =
432                            combineLibs(mSharedLibraries, instrumentationLibs)
433                            + ':' + zip;
434                    }
435
436                    /*
437                     * With all the combination done (if necessary, actually
438                     * create the class loader.
439                     */
440
441                    if (localLOGV) Log.v(TAG, "Class path: " + zip);
442
443                    mClassLoader =
444                        ApplicationLoaders.getDefault().getClassLoader(
445                            zip, mDataDir, mBaseClassLoader);
446                } else {
447                    if (mBaseClassLoader == null) {
448                        mClassLoader = ClassLoader.getSystemClassLoader();
449                    } else {
450                        mClassLoader = mBaseClassLoader;
451                    }
452                }
453                return mClassLoader;
454            }
455        }
456
457        public String getAppDir() {
458            return mAppDir;
459        }
460
461        public String getResDir() {
462            return mResDir;
463        }
464
465        public String getDataDir() {
466            return mDataDir;
467        }
468
469        public File getDataDirFile() {
470            return mDataDirFile;
471        }
472
473        public AssetManager getAssets(ActivityThread mainThread) {
474            return getResources(mainThread).getAssets();
475        }
476
477        public Resources getResources(ActivityThread mainThread) {
478            if (mResources == null) {
479                mResources = mainThread.getTopLevelResources(mResDir, this);
480            }
481            return mResources;
482        }
483
484        public Application makeApplication(boolean forceDefaultAppClass) {
485            if (mApplication != null) {
486                return mApplication;
487            }
488
489            Application app = null;
490
491            String appClass = mApplicationInfo.className;
492            if (forceDefaultAppClass || (appClass == null)) {
493                appClass = "android.app.Application";
494            }
495
496            try {
497                java.lang.ClassLoader cl = getClassLoader();
498                ApplicationContext appContext = new ApplicationContext();
499                appContext.init(this, null, mActivityThread);
500                app = mActivityThread.mInstrumentation.newApplication(
501                        cl, appClass, appContext);
502                appContext.setOuterContext(app);
503            } catch (Exception e) {
504                if (!mActivityThread.mInstrumentation.onException(app, e)) {
505                    throw new RuntimeException(
506                        "Unable to instantiate application " + appClass
507                        + ": " + e.toString(), e);
508                }
509            }
510            mActivityThread.mAllApplications.add(app);
511            return mApplication = app;
512        }
513
514        public void removeContextRegistrations(Context context,
515                String who, String what) {
516            HashMap<BroadcastReceiver, ReceiverDispatcher> rmap =
517                mReceivers.remove(context);
518            if (rmap != null) {
519                Iterator<ReceiverDispatcher> it = rmap.values().iterator();
520                while (it.hasNext()) {
521                    ReceiverDispatcher rd = it.next();
522                    IntentReceiverLeaked leak = new IntentReceiverLeaked(
523                            what + " " + who + " has leaked IntentReceiver "
524                            + rd.getIntentReceiver() + " that was " +
525                            "originally registered here. Are you missing a " +
526                            "call to unregisterReceiver()?");
527                    leak.setStackTrace(rd.getLocation().getStackTrace());
528                    Log.e(TAG, leak.getMessage(), leak);
529                    try {
530                        ActivityManagerNative.getDefault().unregisterReceiver(
531                                rd.getIIntentReceiver());
532                    } catch (RemoteException e) {
533                        // system crashed, nothing we can do
534                    }
535                }
536            }
537            mUnregisteredReceivers.remove(context);
538            //Log.i(TAG, "Receiver registrations: " + mReceivers);
539            HashMap<ServiceConnection, ServiceDispatcher> smap =
540                mServices.remove(context);
541            if (smap != null) {
542                Iterator<ServiceDispatcher> it = smap.values().iterator();
543                while (it.hasNext()) {
544                    ServiceDispatcher sd = it.next();
545                    ServiceConnectionLeaked leak = new ServiceConnectionLeaked(
546                            what + " " + who + " has leaked ServiceConnection "
547                            + sd.getServiceConnection() + " that was originally bound here");
548                    leak.setStackTrace(sd.getLocation().getStackTrace());
549                    Log.e(TAG, leak.getMessage(), leak);
550                    try {
551                        ActivityManagerNative.getDefault().unbindService(
552                                sd.getIServiceConnection());
553                    } catch (RemoteException e) {
554                        // system crashed, nothing we can do
555                    }
556                    sd.doForget();
557                }
558            }
559            mUnboundServices.remove(context);
560            //Log.i(TAG, "Service registrations: " + mServices);
561        }
562
563        public IIntentReceiver getReceiverDispatcher(BroadcastReceiver r,
564                Context context, Handler handler,
565                Instrumentation instrumentation, boolean registered) {
566            synchronized (mReceivers) {
567                ReceiverDispatcher rd = null;
568                HashMap<BroadcastReceiver, ReceiverDispatcher> map = null;
569                if (registered) {
570                    map = mReceivers.get(context);
571                    if (map != null) {
572                        rd = map.get(r);
573                    }
574                }
575                if (rd == null) {
576                    rd = new ReceiverDispatcher(r, context, handler,
577                            instrumentation, registered);
578                    if (registered) {
579                        if (map == null) {
580                            map = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
581                            mReceivers.put(context, map);
582                        }
583                        map.put(r, rd);
584                    }
585                } else {
586                    rd.validate(context, handler);
587                }
588                return rd.getIIntentReceiver();
589            }
590        }
591
592        public IIntentReceiver forgetReceiverDispatcher(Context context,
593                BroadcastReceiver r) {
594            synchronized (mReceivers) {
595                HashMap<BroadcastReceiver, ReceiverDispatcher> map = mReceivers.get(context);
596                ReceiverDispatcher rd = null;
597                if (map != null) {
598                    rd = map.get(r);
599                    if (rd != null) {
600                        map.remove(r);
601                        if (map.size() == 0) {
602                            mReceivers.remove(context);
603                        }
604                        if (r.getDebugUnregister()) {
605                            HashMap<BroadcastReceiver, ReceiverDispatcher> holder
606                                    = mUnregisteredReceivers.get(context);
607                            if (holder == null) {
608                                holder = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
609                                mUnregisteredReceivers.put(context, holder);
610                            }
611                            RuntimeException ex = new IllegalArgumentException(
612                                    "Originally unregistered here:");
613                            ex.fillInStackTrace();
614                            rd.setUnregisterLocation(ex);
615                            holder.put(r, rd);
616                        }
617                        return rd.getIIntentReceiver();
618                    }
619                }
620                HashMap<BroadcastReceiver, ReceiverDispatcher> holder
621                        = mUnregisteredReceivers.get(context);
622                if (holder != null) {
623                    rd = holder.get(r);
624                    if (rd != null) {
625                        RuntimeException ex = rd.getUnregisterLocation();
626                        throw new IllegalArgumentException(
627                                "Unregistering Receiver " + r
628                                + " that was already unregistered", ex);
629                    }
630                }
631                if (context == null) {
632                    throw new IllegalStateException("Unbinding Receiver " + r
633                            + " from Context that is no longer in use: " + context);
634                } else {
635                    throw new IllegalArgumentException("Receiver not registered: " + r);
636                }
637
638            }
639        }
640
641        static final class ReceiverDispatcher {
642
643            final static class InnerReceiver extends IIntentReceiver.Stub {
644                final WeakReference<ReceiverDispatcher> mDispatcher;
645                final ReceiverDispatcher mStrongRef;
646
647                InnerReceiver(ReceiverDispatcher rd, boolean strong) {
648                    mDispatcher = new WeakReference<ReceiverDispatcher>(rd);
649                    mStrongRef = strong ? rd : null;
650                }
651                public void performReceive(Intent intent, int resultCode,
652                        String data, Bundle extras, boolean ordered) {
653                    ReceiverDispatcher rd = mDispatcher.get();
654                    if (DEBUG_BROADCAST) {
655                        int seq = intent.getIntExtra("seq", -1);
656                        Log.i(TAG, "Receiving broadcast " + intent.getAction() + " seq=" + seq
657                                + " to " + rd);
658                    }
659                    if (rd != null) {
660                        rd.performReceive(intent, resultCode, data, extras, ordered);
661                    }
662                }
663            }
664
665            final IIntentReceiver.Stub mIIntentReceiver;
666            final BroadcastReceiver mReceiver;
667            final Context mContext;
668            final Handler mActivityThread;
669            final Instrumentation mInstrumentation;
670            final boolean mRegistered;
671            final IntentReceiverLeaked mLocation;
672            RuntimeException mUnregisterLocation;
673
674            final class Args implements Runnable {
675                private Intent mCurIntent;
676                private int mCurCode;
677                private String mCurData;
678                private Bundle mCurMap;
679                private boolean mCurOrdered;
680
681                public void run() {
682                    BroadcastReceiver receiver = mReceiver;
683                    if (DEBUG_BROADCAST) {
684                        int seq = mCurIntent.getIntExtra("seq", -1);
685                        Log.i(TAG, "Dispathing broadcast " + mCurIntent.getAction() + " seq=" + seq
686                                + " to " + mReceiver);
687                    }
688                    if (receiver == null) {
689                        return;
690                    }
691
692                    IActivityManager mgr = ActivityManagerNative.getDefault();
693                    Intent intent = mCurIntent;
694                    mCurIntent = null;
695                    try {
696                        ClassLoader cl =  mReceiver.getClass().getClassLoader();
697                        intent.setExtrasClassLoader(cl);
698                        if (mCurMap != null) {
699                            mCurMap.setClassLoader(cl);
700                        }
701                        receiver.setOrderedHint(true);
702                        receiver.setResult(mCurCode, mCurData, mCurMap);
703                        receiver.clearAbortBroadcast();
704                        receiver.setOrderedHint(mCurOrdered);
705                        receiver.onReceive(mContext, intent);
706                    } catch (Exception e) {
707                        if (mRegistered && mCurOrdered) {
708                            try {
709                                mgr.finishReceiver(mIIntentReceiver,
710                                        mCurCode, mCurData, mCurMap, false);
711                            } catch (RemoteException ex) {
712                            }
713                        }
714                        if (mInstrumentation == null ||
715                                !mInstrumentation.onException(mReceiver, e)) {
716                            throw new RuntimeException(
717                                "Error receiving broadcast " + intent
718                                + " in " + mReceiver, e);
719                        }
720                    }
721                    if (mRegistered && mCurOrdered) {
722                        try {
723                            mgr.finishReceiver(mIIntentReceiver,
724                                    receiver.getResultCode(),
725                                    receiver.getResultData(),
726                                    receiver.getResultExtras(false),
727                                    receiver.getAbortBroadcast());
728                        } catch (RemoteException ex) {
729                        }
730                    }
731                }
732            }
733
734            ReceiverDispatcher(BroadcastReceiver receiver, Context context,
735                    Handler activityThread, Instrumentation instrumentation,
736                    boolean registered) {
737                if (activityThread == null) {
738                    throw new NullPointerException("Handler must not be null");
739                }
740
741                mIIntentReceiver = new InnerReceiver(this, !registered);
742                mReceiver = receiver;
743                mContext = context;
744                mActivityThread = activityThread;
745                mInstrumentation = instrumentation;
746                mRegistered = registered;
747                mLocation = new IntentReceiverLeaked(null);
748                mLocation.fillInStackTrace();
749            }
750
751            void validate(Context context, Handler activityThread) {
752                if (mContext != context) {
753                    throw new IllegalStateException(
754                        "Receiver " + mReceiver +
755                        " registered with differing Context (was " +
756                        mContext + " now " + context + ")");
757                }
758                if (mActivityThread != activityThread) {
759                    throw new IllegalStateException(
760                        "Receiver " + mReceiver +
761                        " registered with differing handler (was " +
762                        mActivityThread + " now " + activityThread + ")");
763                }
764            }
765
766            IntentReceiverLeaked getLocation() {
767                return mLocation;
768            }
769
770            BroadcastReceiver getIntentReceiver() {
771                return mReceiver;
772            }
773
774            IIntentReceiver getIIntentReceiver() {
775                return mIIntentReceiver;
776            }
777
778            void setUnregisterLocation(RuntimeException ex) {
779                mUnregisterLocation = ex;
780            }
781
782            RuntimeException getUnregisterLocation() {
783                return mUnregisterLocation;
784            }
785
786            public void performReceive(Intent intent, int resultCode,
787                    String data, Bundle extras, boolean ordered) {
788                if (DEBUG_BROADCAST) {
789                    int seq = intent.getIntExtra("seq", -1);
790                    Log.i(TAG, "Enqueueing broadcast " + intent.getAction() + " seq=" + seq
791                            + " to " + mReceiver);
792                }
793                Args args = new Args();
794                args.mCurIntent = intent;
795                args.mCurCode = resultCode;
796                args.mCurData = data;
797                args.mCurMap = extras;
798                args.mCurOrdered = ordered;
799                if (!mActivityThread.post(args)) {
800                    if (mRegistered) {
801                        IActivityManager mgr = ActivityManagerNative.getDefault();
802                        try {
803                            mgr.finishReceiver(mIIntentReceiver, args.mCurCode,
804                                    args.mCurData, args.mCurMap, false);
805                        } catch (RemoteException ex) {
806                        }
807                    }
808                }
809            }
810
811        }
812
813        public final IServiceConnection getServiceDispatcher(ServiceConnection c,
814                Context context, Handler handler, int flags) {
815            synchronized (mServices) {
816                ServiceDispatcher sd = null;
817                HashMap<ServiceConnection, ServiceDispatcher> map = mServices.get(context);
818                if (map != null) {
819                    sd = map.get(c);
820                }
821                if (sd == null) {
822                    sd = new ServiceDispatcher(c, context, handler, flags);
823                    if (map == null) {
824                        map = new HashMap<ServiceConnection, ServiceDispatcher>();
825                        mServices.put(context, map);
826                    }
827                    map.put(c, sd);
828                } else {
829                    sd.validate(context, handler);
830                }
831                return sd.getIServiceConnection();
832            }
833        }
834
835        public final IServiceConnection forgetServiceDispatcher(Context context,
836                ServiceConnection c) {
837            synchronized (mServices) {
838                HashMap<ServiceConnection, ServiceDispatcher> map
839                        = mServices.get(context);
840                ServiceDispatcher sd = null;
841                if (map != null) {
842                    sd = map.get(c);
843                    if (sd != null) {
844                        map.remove(c);
845                        sd.doForget();
846                        if (map.size() == 0) {
847                            mServices.remove(context);
848                        }
849                        if ((sd.getFlags()&Context.BIND_DEBUG_UNBIND) != 0) {
850                            HashMap<ServiceConnection, ServiceDispatcher> holder
851                                    = mUnboundServices.get(context);
852                            if (holder == null) {
853                                holder = new HashMap<ServiceConnection, ServiceDispatcher>();
854                                mUnboundServices.put(context, holder);
855                            }
856                            RuntimeException ex = new IllegalArgumentException(
857                                    "Originally unbound here:");
858                            ex.fillInStackTrace();
859                            sd.setUnbindLocation(ex);
860                            holder.put(c, sd);
861                        }
862                        return sd.getIServiceConnection();
863                    }
864                }
865                HashMap<ServiceConnection, ServiceDispatcher> holder
866                        = mUnboundServices.get(context);
867                if (holder != null) {
868                    sd = holder.get(c);
869                    if (sd != null) {
870                        RuntimeException ex = sd.getUnbindLocation();
871                        throw new IllegalArgumentException(
872                                "Unbinding Service " + c
873                                + " that was already unbound", ex);
874                    }
875                }
876                if (context == null) {
877                    throw new IllegalStateException("Unbinding Service " + c
878                            + " from Context that is no longer in use: " + context);
879                } else {
880                    throw new IllegalArgumentException("Service not registered: " + c);
881                }
882            }
883        }
884
885        static final class ServiceDispatcher {
886            private final InnerConnection mIServiceConnection;
887            private final ServiceConnection mConnection;
888            private final Context mContext;
889            private final Handler mActivityThread;
890            private final ServiceConnectionLeaked mLocation;
891            private final int mFlags;
892
893            private RuntimeException mUnbindLocation;
894
895            private boolean mDied;
896
897            private static class ConnectionInfo {
898                IBinder binder;
899                IBinder.DeathRecipient deathMonitor;
900            }
901
902            private static class InnerConnection extends IServiceConnection.Stub {
903                final WeakReference<ServiceDispatcher> mDispatcher;
904
905                InnerConnection(ServiceDispatcher sd) {
906                    mDispatcher = new WeakReference<ServiceDispatcher>(sd);
907                }
908
909                public void connected(ComponentName name, IBinder service) throws RemoteException {
910                    ServiceDispatcher sd = mDispatcher.get();
911                    if (sd != null) {
912                        sd.connected(name, service);
913                    }
914                }
915            }
916
917            private final HashMap<ComponentName, ConnectionInfo> mActiveConnections
918                = new HashMap<ComponentName, ConnectionInfo>();
919
920            ServiceDispatcher(ServiceConnection conn,
921                    Context context, Handler activityThread, int flags) {
922                mIServiceConnection = new InnerConnection(this);
923                mConnection = conn;
924                mContext = context;
925                mActivityThread = activityThread;
926                mLocation = new ServiceConnectionLeaked(null);
927                mLocation.fillInStackTrace();
928                mFlags = flags;
929            }
930
931            void validate(Context context, Handler activityThread) {
932                if (mContext != context) {
933                    throw new RuntimeException(
934                        "ServiceConnection " + mConnection +
935                        " registered with differing Context (was " +
936                        mContext + " now " + context + ")");
937                }
938                if (mActivityThread != activityThread) {
939                    throw new RuntimeException(
940                        "ServiceConnection " + mConnection +
941                        " registered with differing handler (was " +
942                        mActivityThread + " now " + activityThread + ")");
943                }
944            }
945
946            void doForget() {
947                synchronized(this) {
948                    Iterator<ConnectionInfo> it = mActiveConnections.values().iterator();
949                    while (it.hasNext()) {
950                        ConnectionInfo ci = it.next();
951                        ci.binder.unlinkToDeath(ci.deathMonitor, 0);
952                    }
953                    mActiveConnections.clear();
954                }
955            }
956
957            ServiceConnectionLeaked getLocation() {
958                return mLocation;
959            }
960
961            ServiceConnection getServiceConnection() {
962                return mConnection;
963            }
964
965            IServiceConnection getIServiceConnection() {
966                return mIServiceConnection;
967            }
968
969            int getFlags() {
970                return mFlags;
971            }
972
973            void setUnbindLocation(RuntimeException ex) {
974                mUnbindLocation = ex;
975            }
976
977            RuntimeException getUnbindLocation() {
978                return mUnbindLocation;
979            }
980
981            public void connected(ComponentName name, IBinder service) {
982                if (mActivityThread != null) {
983                    mActivityThread.post(new RunConnection(name, service, 0));
984                } else {
985                    doConnected(name, service);
986                }
987            }
988
989            public void death(ComponentName name, IBinder service) {
990                ConnectionInfo old;
991
992                synchronized (this) {
993                    mDied = true;
994                    old = mActiveConnections.remove(name);
995                    if (old == null || old.binder != service) {
996                        // Death for someone different than who we last
997                        // reported...  just ignore it.
998                        return;
999                    }
1000                    old.binder.unlinkToDeath(old.deathMonitor, 0);
1001                }
1002
1003                if (mActivityThread != null) {
1004                    mActivityThread.post(new RunConnection(name, service, 1));
1005                } else {
1006                    doDeath(name, service);
1007                }
1008            }
1009
1010            public void doConnected(ComponentName name, IBinder service) {
1011                ConnectionInfo old;
1012                ConnectionInfo info;
1013
1014                synchronized (this) {
1015                    old = mActiveConnections.get(name);
1016                    if (old != null && old.binder == service) {
1017                        // Huh, already have this one.  Oh well!
1018                        return;
1019                    }
1020
1021                    if (service != null) {
1022                        // A new service is being connected... set it all up.
1023                        mDied = false;
1024                        info = new ConnectionInfo();
1025                        info.binder = service;
1026                        info.deathMonitor = new DeathMonitor(name, service);
1027                        try {
1028                            service.linkToDeath(info.deathMonitor, 0);
1029                            mActiveConnections.put(name, info);
1030                        } catch (RemoteException e) {
1031                            // This service was dead before we got it...  just
1032                            // don't do anything with it.
1033                            mActiveConnections.remove(name);
1034                            return;
1035                        }
1036
1037                    } else {
1038                        // The named service is being disconnected... clean up.
1039                        mActiveConnections.remove(name);
1040                    }
1041
1042                    if (old != null) {
1043                        old.binder.unlinkToDeath(old.deathMonitor, 0);
1044                    }
1045                }
1046
1047                // If there was an old service, it is not disconnected.
1048                if (old != null) {
1049                    mConnection.onServiceDisconnected(name);
1050                }
1051                // If there is a new service, it is now connected.
1052                if (service != null) {
1053                    mConnection.onServiceConnected(name, service);
1054                }
1055            }
1056
1057            public void doDeath(ComponentName name, IBinder service) {
1058                mConnection.onServiceDisconnected(name);
1059            }
1060
1061            private final class RunConnection implements Runnable {
1062                RunConnection(ComponentName name, IBinder service, int command) {
1063                    mName = name;
1064                    mService = service;
1065                    mCommand = command;
1066                }
1067
1068                public void run() {
1069                    if (mCommand == 0) {
1070                        doConnected(mName, mService);
1071                    } else if (mCommand == 1) {
1072                        doDeath(mName, mService);
1073                    }
1074                }
1075
1076                final ComponentName mName;
1077                final IBinder mService;
1078                final int mCommand;
1079            }
1080
1081            private final class DeathMonitor implements IBinder.DeathRecipient
1082            {
1083                DeathMonitor(ComponentName name, IBinder service) {
1084                    mName = name;
1085                    mService = service;
1086                }
1087
1088                public void binderDied() {
1089                    death(mName, mService);
1090                }
1091
1092                final ComponentName mName;
1093                final IBinder mService;
1094            }
1095        }
1096    }
1097
1098    private static ApplicationContext mSystemContext = null;
1099
1100    private static final class ActivityRecord {
1101        IBinder token;
1102        int ident;
1103        Intent intent;
1104        Bundle state;
1105        Activity activity;
1106        Window window;
1107        Activity parent;
1108        String embeddedID;
1109        Object lastNonConfigurationInstance;
1110        HashMap<String,Object> lastNonConfigurationChildInstances;
1111        boolean paused;
1112        boolean stopped;
1113        boolean hideForNow;
1114        Configuration newConfig;
1115        ActivityRecord nextIdle;
1116
1117        ActivityInfo activityInfo;
1118        PackageInfo packageInfo;
1119
1120        List<ResultInfo> pendingResults;
1121        List<Intent> pendingIntents;
1122
1123        boolean startsNotResumed;
1124        boolean isForward;
1125
1126        ActivityRecord() {
1127            parent = null;
1128            embeddedID = null;
1129            paused = false;
1130            stopped = false;
1131            hideForNow = false;
1132            nextIdle = null;
1133        }
1134
1135        public String toString() {
1136            ComponentName componentName = intent.getComponent();
1137            return "ActivityRecord{"
1138                + Integer.toHexString(System.identityHashCode(this))
1139                + " token=" + token + " " + (componentName == null
1140                        ? "no component name" : componentName.toShortString())
1141                + "}";
1142        }
1143    }
1144
1145    private final class ProviderRecord implements IBinder.DeathRecipient {
1146        final String mName;
1147        final IContentProvider mProvider;
1148        final ContentProvider mLocalProvider;
1149
1150        ProviderRecord(String name, IContentProvider provider,
1151                ContentProvider localProvider) {
1152            mName = name;
1153            mProvider = provider;
1154            mLocalProvider = localProvider;
1155        }
1156
1157        public void binderDied() {
1158            removeDeadProvider(mName, mProvider);
1159        }
1160    }
1161
1162    private static final class NewIntentData {
1163        List<Intent> intents;
1164        IBinder token;
1165        public String toString() {
1166            return "NewIntentData{intents=" + intents + " token=" + token + "}";
1167        }
1168    }
1169
1170    private static final class ReceiverData {
1171        Intent intent;
1172        ActivityInfo info;
1173        int resultCode;
1174        String resultData;
1175        Bundle resultExtras;
1176        boolean sync;
1177        boolean resultAbort;
1178        public String toString() {
1179            return "ReceiverData{intent=" + intent + " packageName=" +
1180            info.packageName + " resultCode=" + resultCode
1181            + " resultData=" + resultData + " resultExtras=" + resultExtras + "}";
1182        }
1183    }
1184
1185    private static final class CreateBackupAgentData {
1186        ApplicationInfo appInfo;
1187        int backupMode;
1188        public String toString() {
1189            return "CreateBackupAgentData{appInfo=" + appInfo
1190                    + " backupAgent=" + appInfo.backupAgentName
1191                    + " mode=" + backupMode + "}";
1192        }
1193    }
1194
1195    private static final class CreateServiceData {
1196        IBinder token;
1197        ServiceInfo info;
1198        Intent intent;
1199        public String toString() {
1200            return "CreateServiceData{token=" + token + " className="
1201            + info.name + " packageName=" + info.packageName
1202            + " intent=" + intent + "}";
1203        }
1204    }
1205
1206    private static final class BindServiceData {
1207        IBinder token;
1208        Intent intent;
1209        boolean rebind;
1210        public String toString() {
1211            return "BindServiceData{token=" + token + " intent=" + intent + "}";
1212        }
1213    }
1214
1215    private static final class ServiceArgsData {
1216        IBinder token;
1217        int startId;
1218        int flags;
1219        Intent args;
1220        public String toString() {
1221            return "ServiceArgsData{token=" + token + " startId=" + startId
1222            + " args=" + args + "}";
1223        }
1224    }
1225
1226    private static final class AppBindData {
1227        PackageInfo info;
1228        String processName;
1229        ApplicationInfo appInfo;
1230        List<ProviderInfo> providers;
1231        ComponentName instrumentationName;
1232        String profileFile;
1233        Bundle instrumentationArgs;
1234        IInstrumentationWatcher instrumentationWatcher;
1235        int debugMode;
1236        boolean restrictedBackupMode;
1237        Configuration config;
1238        boolean handlingProfiling;
1239        public String toString() {
1240            return "AppBindData{appInfo=" + appInfo + "}";
1241        }
1242    }
1243
1244    private static final class DumpServiceInfo {
1245        FileDescriptor fd;
1246        IBinder service;
1247        String[] args;
1248        boolean dumped;
1249    }
1250
1251    private static final class ResultData {
1252        IBinder token;
1253        List<ResultInfo> results;
1254        public String toString() {
1255            return "ResultData{token=" + token + " results" + results + "}";
1256        }
1257    }
1258
1259    private static final class ContextCleanupInfo {
1260        ApplicationContext context;
1261        String what;
1262        String who;
1263    }
1264
1265    private static final class ProfilerControlData {
1266        String path;
1267        ParcelFileDescriptor fd;
1268    }
1269
1270    private final class ApplicationThread extends ApplicationThreadNative {
1271        private static final String HEAP_COLUMN = "%17s %8s %8s %8s %8s";
1272        private static final String ONE_COUNT_COLUMN = "%17s %8d";
1273        private static final String TWO_COUNT_COLUMNS = "%17s %8d %17s %8d";
1274
1275        // Formatting for checkin service - update version if row format changes
1276        private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1;
1277
1278        public final void schedulePauseActivity(IBinder token, boolean finished,
1279                boolean userLeaving, int configChanges) {
1280            queueOrSendMessage(
1281                    finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY,
1282                    token,
1283                    (userLeaving ? 1 : 0),
1284                    configChanges);
1285        }
1286
1287        public final void scheduleStopActivity(IBinder token, boolean showWindow,
1288                int configChanges) {
1289           queueOrSendMessage(
1290                showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE,
1291                token, 0, configChanges);
1292        }
1293
1294        public final void scheduleWindowVisibility(IBinder token, boolean showWindow) {
1295            queueOrSendMessage(
1296                showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW,
1297                token);
1298        }
1299
1300        public final void scheduleResumeActivity(IBinder token, boolean isForward) {
1301            queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0);
1302        }
1303
1304        public final void scheduleSendResult(IBinder token, List<ResultInfo> results) {
1305            ResultData res = new ResultData();
1306            res.token = token;
1307            res.results = results;
1308            queueOrSendMessage(H.SEND_RESULT, res);
1309        }
1310
1311        // we use token to identify this activity without having to send the
1312        // activity itself back to the activity manager. (matters more with ipc)
1313        public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident,
1314                ActivityInfo info, Bundle state, List<ResultInfo> pendingResults,
1315                List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) {
1316            ActivityRecord r = new ActivityRecord();
1317
1318            r.token = token;
1319            r.ident = ident;
1320            r.intent = intent;
1321            r.activityInfo = info;
1322            r.state = state;
1323
1324            r.pendingResults = pendingResults;
1325            r.pendingIntents = pendingNewIntents;
1326
1327            r.startsNotResumed = notResumed;
1328            r.isForward = isForward;
1329
1330            queueOrSendMessage(H.LAUNCH_ACTIVITY, r);
1331        }
1332
1333        public final void scheduleRelaunchActivity(IBinder token,
1334                List<ResultInfo> pendingResults, List<Intent> pendingNewIntents,
1335                int configChanges, boolean notResumed) {
1336            ActivityRecord r = new ActivityRecord();
1337
1338            r.token = token;
1339            r.pendingResults = pendingResults;
1340            r.pendingIntents = pendingNewIntents;
1341            r.startsNotResumed = notResumed;
1342
1343            synchronized (mRelaunchingActivities) {
1344                mRelaunchingActivities.add(r);
1345            }
1346
1347            queueOrSendMessage(H.RELAUNCH_ACTIVITY, r, configChanges);
1348        }
1349
1350        public final void scheduleNewIntent(List<Intent> intents, IBinder token) {
1351            NewIntentData data = new NewIntentData();
1352            data.intents = intents;
1353            data.token = token;
1354
1355            queueOrSendMessage(H.NEW_INTENT, data);
1356        }
1357
1358        public final void scheduleDestroyActivity(IBinder token, boolean finishing,
1359                int configChanges) {
1360            queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0,
1361                    configChanges);
1362        }
1363
1364        public final void scheduleReceiver(Intent intent, ActivityInfo info,
1365                int resultCode, String data, Bundle extras, boolean sync) {
1366            ReceiverData r = new ReceiverData();
1367
1368            r.intent = intent;
1369            r.info = info;
1370            r.resultCode = resultCode;
1371            r.resultData = data;
1372            r.resultExtras = extras;
1373            r.sync = sync;
1374
1375            queueOrSendMessage(H.RECEIVER, r);
1376        }
1377
1378        public final void scheduleCreateBackupAgent(ApplicationInfo app, int backupMode) {
1379            CreateBackupAgentData d = new CreateBackupAgentData();
1380            d.appInfo = app;
1381            d.backupMode = backupMode;
1382
1383            queueOrSendMessage(H.CREATE_BACKUP_AGENT, d);
1384        }
1385
1386        public final void scheduleDestroyBackupAgent(ApplicationInfo app) {
1387            CreateBackupAgentData d = new CreateBackupAgentData();
1388            d.appInfo = app;
1389
1390            queueOrSendMessage(H.DESTROY_BACKUP_AGENT, d);
1391        }
1392
1393        public final void scheduleCreateService(IBinder token,
1394                ServiceInfo info) {
1395            CreateServiceData s = new CreateServiceData();
1396            s.token = token;
1397            s.info = info;
1398
1399            queueOrSendMessage(H.CREATE_SERVICE, s);
1400        }
1401
1402        public final void scheduleBindService(IBinder token, Intent intent,
1403                boolean rebind) {
1404            BindServiceData s = new BindServiceData();
1405            s.token = token;
1406            s.intent = intent;
1407            s.rebind = rebind;
1408
1409            queueOrSendMessage(H.BIND_SERVICE, s);
1410        }
1411
1412        public final void scheduleUnbindService(IBinder token, Intent intent) {
1413            BindServiceData s = new BindServiceData();
1414            s.token = token;
1415            s.intent = intent;
1416
1417            queueOrSendMessage(H.UNBIND_SERVICE, s);
1418        }
1419
1420        public final void scheduleServiceArgs(IBinder token, int startId,
1421            int flags ,Intent args) {
1422            ServiceArgsData s = new ServiceArgsData();
1423            s.token = token;
1424            s.startId = startId;
1425            s.flags = flags;
1426            s.args = args;
1427
1428            queueOrSendMessage(H.SERVICE_ARGS, s);
1429        }
1430
1431        public final void scheduleStopService(IBinder token) {
1432            queueOrSendMessage(H.STOP_SERVICE, token);
1433        }
1434
1435        public final void bindApplication(String processName,
1436                ApplicationInfo appInfo, List<ProviderInfo> providers,
1437                ComponentName instrumentationName, String profileFile,
1438                Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher,
1439                int debugMode, boolean isRestrictedBackupMode, Configuration config,
1440                Map<String, IBinder> services) {
1441            Process.setArgV0(processName);
1442
1443            if (services != null) {
1444                // Setup the service cache in the ServiceManager
1445                ServiceManager.initServiceCache(services);
1446            }
1447
1448            AppBindData data = new AppBindData();
1449            data.processName = processName;
1450            data.appInfo = appInfo;
1451            data.providers = providers;
1452            data.instrumentationName = instrumentationName;
1453            data.profileFile = profileFile;
1454            data.instrumentationArgs = instrumentationArgs;
1455            data.instrumentationWatcher = instrumentationWatcher;
1456            data.debugMode = debugMode;
1457            data.restrictedBackupMode = isRestrictedBackupMode;
1458            data.config = config;
1459            queueOrSendMessage(H.BIND_APPLICATION, data);
1460        }
1461
1462        public final void scheduleExit() {
1463            queueOrSendMessage(H.EXIT_APPLICATION, null);
1464        }
1465
1466        public void requestThumbnail(IBinder token) {
1467            queueOrSendMessage(H.REQUEST_THUMBNAIL, token);
1468        }
1469
1470        public void scheduleConfigurationChanged(Configuration config) {
1471            synchronized (mRelaunchingActivities) {
1472                mPendingConfiguration = config;
1473            }
1474            queueOrSendMessage(H.CONFIGURATION_CHANGED, config);
1475        }
1476
1477        public void updateTimeZone() {
1478            TimeZone.setDefault(null);
1479        }
1480
1481        public void processInBackground() {
1482            mH.removeMessages(H.GC_WHEN_IDLE);
1483            mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));
1484        }
1485
1486        public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) {
1487            DumpServiceInfo data = new DumpServiceInfo();
1488            data.fd = fd;
1489            data.service = servicetoken;
1490            data.args = args;
1491            data.dumped = false;
1492            queueOrSendMessage(H.DUMP_SERVICE, data);
1493            synchronized (data) {
1494                while (!data.dumped) {
1495                    try {
1496                        data.wait();
1497                    } catch (InterruptedException e) {
1498                        // no need to do anything here, we will keep waiting until
1499                        // dumped is set
1500                    }
1501                }
1502            }
1503        }
1504
1505        // This function exists to make sure all receiver dispatching is
1506        // correctly ordered, since these are one-way calls and the binder driver
1507        // applies transaction ordering per object for such calls.
1508        public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent,
1509                int resultCode, String dataStr, Bundle extras, boolean ordered)
1510                throws RemoteException {
1511            receiver.performReceive(intent, resultCode, dataStr, extras, ordered);
1512        }
1513
1514        public void scheduleLowMemory() {
1515            queueOrSendMessage(H.LOW_MEMORY, null);
1516        }
1517
1518        public void scheduleActivityConfigurationChanged(IBinder token) {
1519            queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token);
1520        }
1521
1522        public void requestPss() {
1523            try {
1524                ActivityManagerNative.getDefault().reportPss(this,
1525                        (int)Process.getPss(Process.myPid()));
1526            } catch (RemoteException e) {
1527            }
1528        }
1529
1530        public void profilerControl(boolean start, String path, ParcelFileDescriptor fd) {
1531            ProfilerControlData pcd = new ProfilerControlData();
1532            pcd.path = path;
1533            pcd.fd = fd;
1534            queueOrSendMessage(H.PROFILER_CONTROL, pcd, start ? 1 : 0);
1535        }
1536
1537        public void setSchedulingGroup(int group) {
1538            // Note: do this immediately, since going into the foreground
1539            // should happen regardless of what pending work we have to do
1540            // and the activity manager will wait for us to report back that
1541            // we are done before sending us to the background.
1542            try {
1543                Process.setProcessGroup(Process.myPid(), group);
1544            } catch (Exception e) {
1545                Log.w(TAG, "Failed setting process group to " + group, e);
1546            }
1547        }
1548
1549        public void getMemoryInfo(Debug.MemoryInfo outInfo) {
1550            Debug.getMemoryInfo(outInfo);
1551        }
1552
1553        @Override
1554        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
1555            long nativeMax = Debug.getNativeHeapSize() / 1024;
1556            long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
1557            long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
1558
1559            Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
1560            Debug.getMemoryInfo(memInfo);
1561
1562            final int nativeShared = memInfo.nativeSharedDirty;
1563            final int dalvikShared = memInfo.dalvikSharedDirty;
1564            final int otherShared = memInfo.otherSharedDirty;
1565
1566            final int nativePrivate = memInfo.nativePrivateDirty;
1567            final int dalvikPrivate = memInfo.dalvikPrivateDirty;
1568            final int otherPrivate = memInfo.otherPrivateDirty;
1569
1570            Runtime runtime = Runtime.getRuntime();
1571
1572            long dalvikMax = runtime.totalMemory() / 1024;
1573            long dalvikFree = runtime.freeMemory() / 1024;
1574            long dalvikAllocated = dalvikMax - dalvikFree;
1575            long viewInstanceCount = ViewDebug.getViewInstanceCount();
1576            long viewRootInstanceCount = ViewDebug.getViewRootInstanceCount();
1577            long appContextInstanceCount = ApplicationContext.getInstanceCount();
1578            long activityInstanceCount = Activity.getInstanceCount();
1579            int globalAssetCount = AssetManager.getGlobalAssetCount();
1580            int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
1581            int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
1582            int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
1583            int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
1584            int openSslSocketCount = OpenSSLSocketImpl.getInstanceCount();
1585            long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024;
1586            SQLiteDebug.PagerStats stats = new SQLiteDebug.PagerStats();
1587            SQLiteDebug.getPagerStats(stats);
1588
1589            // Check to see if we were called by checkin server. If so, print terse format.
1590            boolean doCheckinFormat = false;
1591            if (args != null) {
1592                for (String arg : args) {
1593                    if ("-c".equals(arg)) doCheckinFormat = true;
1594                }
1595            }
1596
1597            // For checkin, we print one long comma-separated list of values
1598            if (doCheckinFormat) {
1599                // NOTE: if you change anything significant below, also consider changing
1600                // ACTIVITY_THREAD_CHECKIN_VERSION.
1601                String processName = (mBoundApplication != null)
1602                        ? mBoundApplication.processName : "unknown";
1603
1604                // Header
1605                pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(',');
1606                pw.print(Process.myPid()); pw.print(',');
1607                pw.print(processName); pw.print(',');
1608
1609                // Heap info - max
1610                pw.print(nativeMax); pw.print(',');
1611                pw.print(dalvikMax); pw.print(',');
1612                pw.print("N/A,");
1613                pw.print(nativeMax + dalvikMax); pw.print(',');
1614
1615                // Heap info - allocated
1616                pw.print(nativeAllocated); pw.print(',');
1617                pw.print(dalvikAllocated); pw.print(',');
1618                pw.print("N/A,");
1619                pw.print(nativeAllocated + dalvikAllocated); pw.print(',');
1620
1621                // Heap info - free
1622                pw.print(nativeFree); pw.print(',');
1623                pw.print(dalvikFree); pw.print(',');
1624                pw.print("N/A,");
1625                pw.print(nativeFree + dalvikFree); pw.print(',');
1626
1627                // Heap info - proportional set size
1628                pw.print(memInfo.nativePss); pw.print(',');
1629                pw.print(memInfo.dalvikPss); pw.print(',');
1630                pw.print(memInfo.otherPss); pw.print(',');
1631                pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(',');
1632
1633                // Heap info - shared
1634                pw.print(nativeShared); pw.print(',');
1635                pw.print(dalvikShared); pw.print(',');
1636                pw.print(otherShared); pw.print(',');
1637                pw.print(nativeShared + dalvikShared + otherShared); pw.print(',');
1638
1639                // Heap info - private
1640                pw.print(nativePrivate); pw.print(',');
1641                pw.print(dalvikPrivate); pw.print(',');
1642                pw.print(otherPrivate); pw.print(',');
1643                pw.print(nativePrivate + dalvikPrivate + otherPrivate); pw.print(',');
1644
1645                // Object counts
1646                pw.print(viewInstanceCount); pw.print(',');
1647                pw.print(viewRootInstanceCount); pw.print(',');
1648                pw.print(appContextInstanceCount); pw.print(',');
1649                pw.print(activityInstanceCount); pw.print(',');
1650
1651                pw.print(globalAssetCount); pw.print(',');
1652                pw.print(globalAssetManagerCount); pw.print(',');
1653                pw.print(binderLocalObjectCount); pw.print(',');
1654                pw.print(binderProxyObjectCount); pw.print(',');
1655
1656                pw.print(binderDeathObjectCount); pw.print(',');
1657                pw.print(openSslSocketCount); pw.print(',');
1658
1659                // SQL
1660                pw.print(sqliteAllocated); pw.print(',');
1661                pw.print(stats.databaseBytes / 1024); pw.print(',');
1662                pw.print(stats.numPagers); pw.print(',');
1663                pw.print((stats.totalBytes - stats.referencedBytes) / 1024); pw.print(',');
1664                pw.print(stats.referencedBytes / 1024); pw.print('\n');
1665
1666                return;
1667            }
1668
1669            // otherwise, show human-readable format
1670            printRow(pw, HEAP_COLUMN, "", "native", "dalvik", "other", "total");
1671            printRow(pw, HEAP_COLUMN, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
1672            printRow(pw, HEAP_COLUMN, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
1673                    nativeAllocated + dalvikAllocated);
1674            printRow(pw, HEAP_COLUMN, "free:", nativeFree, dalvikFree, "N/A",
1675                    nativeFree + dalvikFree);
1676
1677            printRow(pw, HEAP_COLUMN, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
1678                    memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);
1679
1680            printRow(pw, HEAP_COLUMN, "(shared dirty):", nativeShared, dalvikShared, otherShared,
1681                    nativeShared + dalvikShared + otherShared);
1682            printRow(pw, HEAP_COLUMN, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
1683                    nativePrivate + dalvikPrivate + otherPrivate);
1684
1685            pw.println(" ");
1686            pw.println(" Objects");
1687            printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRoots:",
1688                    viewRootInstanceCount);
1689
1690            printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount,
1691                    "Activities:", activityInstanceCount);
1692
1693            printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount,
1694                    "AssetManagers:", globalAssetManagerCount);
1695
1696            printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount,
1697                    "Proxy Binders:", binderProxyObjectCount);
1698            printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount);
1699
1700            printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount);
1701
1702            // SQLite mem info
1703            pw.println(" ");
1704            pw.println(" SQL");
1705            printRow(pw, TWO_COUNT_COLUMNS, "heap:", sqliteAllocated, "dbFiles:",
1706                    stats.databaseBytes / 1024);
1707            printRow(pw, TWO_COUNT_COLUMNS, "numPagers:", stats.numPagers, "inactivePageKB:",
1708                    (stats.totalBytes - stats.referencedBytes) / 1024);
1709            printRow(pw, ONE_COUNT_COLUMN, "activePageKB:", stats.referencedBytes / 1024);
1710
1711            // Asset details.
1712            String assetAlloc = AssetManager.getAssetAllocations();
1713            if (assetAlloc != null) {
1714                pw.println(" ");
1715                pw.println(" Asset Allocations");
1716                pw.print(assetAlloc);
1717            }
1718        }
1719
1720        private void printRow(PrintWriter pw, String format, Object...objs) {
1721            pw.println(String.format(format, objs));
1722        }
1723    }
1724
1725    private final class H extends Handler {
1726        public static final int LAUNCH_ACTIVITY         = 100;
1727        public static final int PAUSE_ACTIVITY          = 101;
1728        public static final int PAUSE_ACTIVITY_FINISHING= 102;
1729        public static final int STOP_ACTIVITY_SHOW      = 103;
1730        public static final int STOP_ACTIVITY_HIDE      = 104;
1731        public static final int SHOW_WINDOW             = 105;
1732        public static final int HIDE_WINDOW             = 106;
1733        public static final int RESUME_ACTIVITY         = 107;
1734        public static final int SEND_RESULT             = 108;
1735        public static final int DESTROY_ACTIVITY         = 109;
1736        public static final int BIND_APPLICATION        = 110;
1737        public static final int EXIT_APPLICATION        = 111;
1738        public static final int NEW_INTENT              = 112;
1739        public static final int RECEIVER                = 113;
1740        public static final int CREATE_SERVICE          = 114;
1741        public static final int SERVICE_ARGS            = 115;
1742        public static final int STOP_SERVICE            = 116;
1743        public static final int REQUEST_THUMBNAIL       = 117;
1744        public static final int CONFIGURATION_CHANGED   = 118;
1745        public static final int CLEAN_UP_CONTEXT        = 119;
1746        public static final int GC_WHEN_IDLE            = 120;
1747        public static final int BIND_SERVICE            = 121;
1748        public static final int UNBIND_SERVICE          = 122;
1749        public static final int DUMP_SERVICE            = 123;
1750        public static final int LOW_MEMORY              = 124;
1751        public static final int ACTIVITY_CONFIGURATION_CHANGED = 125;
1752        public static final int RELAUNCH_ACTIVITY       = 126;
1753        public static final int PROFILER_CONTROL        = 127;
1754        public static final int CREATE_BACKUP_AGENT     = 128;
1755        public static final int DESTROY_BACKUP_AGENT     = 129;
1756        String codeToString(int code) {
1757            if (localLOGV) {
1758                switch (code) {
1759                    case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY";
1760                    case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY";
1761                    case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING";
1762                    case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW";
1763                    case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE";
1764                    case SHOW_WINDOW: return "SHOW_WINDOW";
1765                    case HIDE_WINDOW: return "HIDE_WINDOW";
1766                    case RESUME_ACTIVITY: return "RESUME_ACTIVITY";
1767                    case SEND_RESULT: return "SEND_RESULT";
1768                    case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY";
1769                    case BIND_APPLICATION: return "BIND_APPLICATION";
1770                    case EXIT_APPLICATION: return "EXIT_APPLICATION";
1771                    case NEW_INTENT: return "NEW_INTENT";
1772                    case RECEIVER: return "RECEIVER";
1773                    case CREATE_SERVICE: return "CREATE_SERVICE";
1774                    case SERVICE_ARGS: return "SERVICE_ARGS";
1775                    case STOP_SERVICE: return "STOP_SERVICE";
1776                    case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL";
1777                    case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED";
1778                    case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT";
1779                    case GC_WHEN_IDLE: return "GC_WHEN_IDLE";
1780                    case BIND_SERVICE: return "BIND_SERVICE";
1781                    case UNBIND_SERVICE: return "UNBIND_SERVICE";
1782                    case DUMP_SERVICE: return "DUMP_SERVICE";
1783                    case LOW_MEMORY: return "LOW_MEMORY";
1784                    case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED";
1785                    case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY";
1786                    case PROFILER_CONTROL: return "PROFILER_CONTROL";
1787                    case CREATE_BACKUP_AGENT: return "CREATE_BACKUP_AGENT";
1788                    case DESTROY_BACKUP_AGENT: return "DESTROY_BACKUP_AGENT";
1789                }
1790            }
1791            return "(unknown)";
1792        }
1793        public void handleMessage(Message msg) {
1794            switch (msg.what) {
1795                case LAUNCH_ACTIVITY: {
1796                    ActivityRecord r = (ActivityRecord)msg.obj;
1797
1798                    r.packageInfo = getPackageInfoNoCheck(
1799                            r.activityInfo.applicationInfo);
1800                    handleLaunchActivity(r, null);
1801                } break;
1802                case RELAUNCH_ACTIVITY: {
1803                    ActivityRecord r = (ActivityRecord)msg.obj;
1804                    handleRelaunchActivity(r, msg.arg1);
1805                } break;
1806                case PAUSE_ACTIVITY:
1807                    handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2);
1808                    break;
1809                case PAUSE_ACTIVITY_FINISHING:
1810                    handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2);
1811                    break;
1812                case STOP_ACTIVITY_SHOW:
1813                    handleStopActivity((IBinder)msg.obj, true, msg.arg2);
1814                    break;
1815                case STOP_ACTIVITY_HIDE:
1816                    handleStopActivity((IBinder)msg.obj, false, msg.arg2);
1817                    break;
1818                case SHOW_WINDOW:
1819                    handleWindowVisibility((IBinder)msg.obj, true);
1820                    break;
1821                case HIDE_WINDOW:
1822                    handleWindowVisibility((IBinder)msg.obj, false);
1823                    break;
1824                case RESUME_ACTIVITY:
1825                    handleResumeActivity((IBinder)msg.obj, true,
1826                            msg.arg1 != 0);
1827                    break;
1828                case SEND_RESULT:
1829                    handleSendResult((ResultData)msg.obj);
1830                    break;
1831                case DESTROY_ACTIVITY:
1832                    handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0,
1833                            msg.arg2, false);
1834                    break;
1835                case BIND_APPLICATION:
1836                    AppBindData data = (AppBindData)msg.obj;
1837                    handleBindApplication(data);
1838                    break;
1839                case EXIT_APPLICATION:
1840                    if (mInitialApplication != null) {
1841                        mInitialApplication.onTerminate();
1842                    }
1843                    Looper.myLooper().quit();
1844                    break;
1845                case NEW_INTENT:
1846                    handleNewIntent((NewIntentData)msg.obj);
1847                    break;
1848                case RECEIVER:
1849                    handleReceiver((ReceiverData)msg.obj);
1850                    break;
1851                case CREATE_SERVICE:
1852                    handleCreateService((CreateServiceData)msg.obj);
1853                    break;
1854                case BIND_SERVICE:
1855                    handleBindService((BindServiceData)msg.obj);
1856                    break;
1857                case UNBIND_SERVICE:
1858                    handleUnbindService((BindServiceData)msg.obj);
1859                    break;
1860                case SERVICE_ARGS:
1861                    handleServiceArgs((ServiceArgsData)msg.obj);
1862                    break;
1863                case STOP_SERVICE:
1864                    handleStopService((IBinder)msg.obj);
1865                    break;
1866                case REQUEST_THUMBNAIL:
1867                    handleRequestThumbnail((IBinder)msg.obj);
1868                    break;
1869                case CONFIGURATION_CHANGED:
1870                    handleConfigurationChanged((Configuration)msg.obj);
1871                    break;
1872                case CLEAN_UP_CONTEXT:
1873                    ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj;
1874                    cci.context.performFinalCleanup(cci.who, cci.what);
1875                    break;
1876                case GC_WHEN_IDLE:
1877                    scheduleGcIdler();
1878                    break;
1879                case DUMP_SERVICE:
1880                    handleDumpService((DumpServiceInfo)msg.obj);
1881                    break;
1882                case LOW_MEMORY:
1883                    handleLowMemory();
1884                    break;
1885                case ACTIVITY_CONFIGURATION_CHANGED:
1886                    handleActivityConfigurationChanged((IBinder)msg.obj);
1887                    break;
1888                case PROFILER_CONTROL:
1889                    handleProfilerControl(msg.arg1 != 0, (ProfilerControlData)msg.obj);
1890                    break;
1891                case CREATE_BACKUP_AGENT:
1892                    handleCreateBackupAgent((CreateBackupAgentData)msg.obj);
1893                    break;
1894                case DESTROY_BACKUP_AGENT:
1895                    handleDestroyBackupAgent((CreateBackupAgentData)msg.obj);
1896                    break;
1897            }
1898        }
1899    }
1900
1901    private final class Idler implements MessageQueue.IdleHandler {
1902        public final boolean queueIdle() {
1903            ActivityRecord a = mNewActivities;
1904            if (a != null) {
1905                mNewActivities = null;
1906                IActivityManager am = ActivityManagerNative.getDefault();
1907                ActivityRecord prev;
1908                do {
1909                    if (localLOGV) Log.v(
1910                        TAG, "Reporting idle of " + a +
1911                        " finished=" +
1912                        (a.activity != null ? a.activity.mFinished : false));
1913                    if (a.activity != null && !a.activity.mFinished) {
1914                        try {
1915                            am.activityIdle(a.token);
1916                        } catch (RemoteException ex) {
1917                        }
1918                    }
1919                    prev = a;
1920                    a = a.nextIdle;
1921                    prev.nextIdle = null;
1922                } while (a != null);
1923            }
1924            return false;
1925        }
1926    }
1927
1928    final class GcIdler implements MessageQueue.IdleHandler {
1929        public final boolean queueIdle() {
1930            doGcIfNeeded();
1931            return false;
1932        }
1933    }
1934
1935    private final static class ResourcesKey {
1936        final private String mResDir;
1937        final private float mScale;
1938        final private int mHash;
1939
1940        ResourcesKey(String resDir, float scale) {
1941            mResDir = resDir;
1942            mScale = scale;
1943            mHash = mResDir.hashCode() << 2 + (int) (mScale * 2);
1944        }
1945
1946        @Override
1947        public int hashCode() {
1948            return mHash;
1949        }
1950
1951        @Override
1952        public boolean equals(Object obj) {
1953            if (!(obj instanceof ResourcesKey)) {
1954                return false;
1955            }
1956            ResourcesKey peer = (ResourcesKey) obj;
1957            return mResDir.equals(peer.mResDir) && mScale == peer.mScale;
1958        }
1959    }
1960
1961    static IPackageManager sPackageManager;
1962
1963    final ApplicationThread mAppThread = new ApplicationThread();
1964    final Looper mLooper = Looper.myLooper();
1965    final H mH = new H();
1966    final HashMap<IBinder, ActivityRecord> mActivities
1967            = new HashMap<IBinder, ActivityRecord>();
1968    // List of new activities (via ActivityRecord.nextIdle) that should
1969    // be reported when next we idle.
1970    ActivityRecord mNewActivities = null;
1971    // Number of activities that are currently visible on-screen.
1972    int mNumVisibleActivities = 0;
1973    final HashMap<IBinder, Service> mServices
1974            = new HashMap<IBinder, Service>();
1975    AppBindData mBoundApplication;
1976    Configuration mConfiguration;
1977    Application mInitialApplication;
1978    final ArrayList<Application> mAllApplications
1979            = new ArrayList<Application>();
1980    // set of instantiated backup agents, keyed by package name
1981    final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>();
1982    static final ThreadLocal sThreadLocal = new ThreadLocal();
1983    Instrumentation mInstrumentation;
1984    String mInstrumentationAppDir = null;
1985    String mInstrumentationAppPackage = null;
1986    String mInstrumentedAppDir = null;
1987    boolean mSystemThread = false;
1988
1989    /**
1990     * Activities that are enqueued to be relaunched.  This list is accessed
1991     * by multiple threads, so you must synchronize on it when accessing it.
1992     */
1993    final ArrayList<ActivityRecord> mRelaunchingActivities
1994            = new ArrayList<ActivityRecord>();
1995    Configuration mPendingConfiguration = null;
1996
1997    // These can be accessed by multiple threads; mPackages is the lock.
1998    // XXX For now we keep around information about all packages we have
1999    // seen, not removing entries from this map.
2000    final HashMap<String, WeakReference<PackageInfo>> mPackages
2001        = new HashMap<String, WeakReference<PackageInfo>>();
2002    final HashMap<String, WeakReference<PackageInfo>> mResourcePackages
2003        = new HashMap<String, WeakReference<PackageInfo>>();
2004    Display mDisplay = null;
2005    DisplayMetrics mDisplayMetrics = null;
2006    HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources
2007        = new HashMap<ResourcesKey, WeakReference<Resources> >();
2008
2009    // The lock of mProviderMap protects the following variables.
2010    final HashMap<String, ProviderRecord> mProviderMap
2011        = new HashMap<String, ProviderRecord>();
2012    final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap
2013        = new HashMap<IBinder, ProviderRefCount>();
2014    final HashMap<IBinder, ProviderRecord> mLocalProviders
2015        = new HashMap<IBinder, ProviderRecord>();
2016
2017    final GcIdler mGcIdler = new GcIdler();
2018    boolean mGcIdlerScheduled = false;
2019
2020    public final PackageInfo getPackageInfo(String packageName, int flags) {
2021        synchronized (mPackages) {
2022            WeakReference<PackageInfo> ref;
2023            if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) {
2024                ref = mPackages.get(packageName);
2025            } else {
2026                ref = mResourcePackages.get(packageName);
2027            }
2028            PackageInfo packageInfo = ref != null ? ref.get() : null;
2029            //Log.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo);
2030            if (packageInfo != null && (packageInfo.mResources == null
2031                    || packageInfo.mResources.getAssets().isUpToDate())) {
2032                if (packageInfo.isSecurityViolation()
2033                        && (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) {
2034                    throw new SecurityException(
2035                            "Requesting code from " + packageName
2036                            + " to be run in process "
2037                            + mBoundApplication.processName
2038                            + "/" + mBoundApplication.appInfo.uid);
2039                }
2040                return packageInfo;
2041            }
2042        }
2043
2044        ApplicationInfo ai = null;
2045        try {
2046            ai = getPackageManager().getApplicationInfo(packageName,
2047                    PackageManager.GET_SHARED_LIBRARY_FILES);
2048        } catch (RemoteException e) {
2049        }
2050
2051        if (ai != null) {
2052            return getPackageInfo(ai, flags);
2053        }
2054
2055        return null;
2056    }
2057
2058    public final PackageInfo getPackageInfo(ApplicationInfo ai, int flags) {
2059        boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0;
2060        boolean securityViolation = includeCode && ai.uid != 0
2061                && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null
2062                        ? ai.uid != mBoundApplication.appInfo.uid : true);
2063        if ((flags&(Context.CONTEXT_INCLUDE_CODE
2064                |Context.CONTEXT_IGNORE_SECURITY))
2065                == Context.CONTEXT_INCLUDE_CODE) {
2066            if (securityViolation) {
2067                String msg = "Requesting code from " + ai.packageName
2068                        + " (with uid " + ai.uid + ")";
2069                if (mBoundApplication != null) {
2070                    msg = msg + " to be run in process "
2071                        + mBoundApplication.processName + " (with uid "
2072                        + mBoundApplication.appInfo.uid + ")";
2073                }
2074                throw new SecurityException(msg);
2075            }
2076        }
2077        return getPackageInfo(ai, null, securityViolation, includeCode);
2078    }
2079
2080    public final PackageInfo getPackageInfoNoCheck(ApplicationInfo ai) {
2081        return getPackageInfo(ai, null, false, true);
2082    }
2083
2084    private final PackageInfo getPackageInfo(ApplicationInfo aInfo,
2085            ClassLoader baseLoader, boolean securityViolation, boolean includeCode) {
2086        synchronized (mPackages) {
2087            WeakReference<PackageInfo> ref;
2088            if (includeCode) {
2089                ref = mPackages.get(aInfo.packageName);
2090            } else {
2091                ref = mResourcePackages.get(aInfo.packageName);
2092            }
2093            PackageInfo packageInfo = ref != null ? ref.get() : null;
2094            if (packageInfo == null || (packageInfo.mResources != null
2095                    && !packageInfo.mResources.getAssets().isUpToDate())) {
2096                if (localLOGV) Log.v(TAG, (includeCode ? "Loading code package "
2097                        : "Loading resource-only package ") + aInfo.packageName
2098                        + " (in " + (mBoundApplication != null
2099                                ? mBoundApplication.processName : null)
2100                        + ")");
2101                packageInfo =
2102                    new PackageInfo(this, aInfo, this, baseLoader,
2103                            securityViolation, includeCode &&
2104                            (aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0);
2105                if (includeCode) {
2106                    mPackages.put(aInfo.packageName,
2107                            new WeakReference<PackageInfo>(packageInfo));
2108                } else {
2109                    mResourcePackages.put(aInfo.packageName,
2110                            new WeakReference<PackageInfo>(packageInfo));
2111                }
2112            }
2113            return packageInfo;
2114        }
2115    }
2116
2117    public final boolean hasPackageInfo(String packageName) {
2118        synchronized (mPackages) {
2119            WeakReference<PackageInfo> ref;
2120            ref = mPackages.get(packageName);
2121            if (ref != null && ref.get() != null) {
2122                return true;
2123            }
2124            ref = mResourcePackages.get(packageName);
2125            if (ref != null && ref.get() != null) {
2126                return true;
2127            }
2128            return false;
2129        }
2130    }
2131
2132    ActivityThread() {
2133    }
2134
2135    public ApplicationThread getApplicationThread()
2136    {
2137        return mAppThread;
2138    }
2139
2140    public Instrumentation getInstrumentation()
2141    {
2142        return mInstrumentation;
2143    }
2144
2145    public Configuration getConfiguration() {
2146        return mConfiguration;
2147    }
2148
2149    public boolean isProfiling() {
2150        return mBoundApplication != null && mBoundApplication.profileFile != null;
2151    }
2152
2153    public String getProfileFilePath() {
2154        return mBoundApplication.profileFile;
2155    }
2156
2157    public Looper getLooper() {
2158        return mLooper;
2159    }
2160
2161    public Application getApplication() {
2162        return mInitialApplication;
2163    }
2164
2165    public String getProcessName() {
2166        return mBoundApplication.processName;
2167    }
2168
2169    public ApplicationContext getSystemContext() {
2170        synchronized (this) {
2171            if (mSystemContext == null) {
2172                ApplicationContext context =
2173                    ApplicationContext.createSystemContext(this);
2174                PackageInfo info = new PackageInfo(this, "android", context);
2175                context.init(info, null, this);
2176                context.getResources().updateConfiguration(
2177                        getConfiguration(), getDisplayMetricsLocked(false));
2178                mSystemContext = context;
2179                //Log.i(TAG, "Created system resources " + context.getResources()
2180                //        + ": " + context.getResources().getConfiguration());
2181            }
2182        }
2183        return mSystemContext;
2184    }
2185
2186    void scheduleGcIdler() {
2187        if (!mGcIdlerScheduled) {
2188            mGcIdlerScheduled = true;
2189            Looper.myQueue().addIdleHandler(mGcIdler);
2190        }
2191        mH.removeMessages(H.GC_WHEN_IDLE);
2192    }
2193
2194    void unscheduleGcIdler() {
2195        if (mGcIdlerScheduled) {
2196            mGcIdlerScheduled = false;
2197            Looper.myQueue().removeIdleHandler(mGcIdler);
2198        }
2199        mH.removeMessages(H.GC_WHEN_IDLE);
2200    }
2201
2202    void doGcIfNeeded() {
2203        mGcIdlerScheduled = false;
2204        final long now = SystemClock.uptimeMillis();
2205        //Log.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime()
2206        //        + "m now=" + now);
2207        if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) {
2208            //Log.i(TAG, "**** WE DO, WE DO WANT TO GC!");
2209            BinderInternal.forceGc("bg");
2210        }
2211    }
2212
2213    public final ActivityInfo resolveActivityInfo(Intent intent) {
2214        ActivityInfo aInfo = intent.resolveActivityInfo(
2215                mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES);
2216        if (aInfo == null) {
2217            // Throw an exception.
2218            Instrumentation.checkStartActivityResult(
2219                    IActivityManager.START_CLASS_NOT_FOUND, intent);
2220        }
2221        return aInfo;
2222    }
2223
2224    public final Activity startActivityNow(Activity parent, String id,
2225        Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state,
2226        Object lastNonConfigurationInstance) {
2227        ActivityRecord r = new ActivityRecord();
2228            r.token = token;
2229            r.ident = 0;
2230            r.intent = intent;
2231            r.state = state;
2232            r.parent = parent;
2233            r.embeddedID = id;
2234            r.activityInfo = activityInfo;
2235            r.lastNonConfigurationInstance = lastNonConfigurationInstance;
2236        if (localLOGV) {
2237            ComponentName compname = intent.getComponent();
2238            String name;
2239            if (compname != null) {
2240                name = compname.toShortString();
2241            } else {
2242                name = "(Intent " + intent + ").getComponent() returned null";
2243            }
2244            Log.v(TAG, "Performing launch: action=" + intent.getAction()
2245                    + ", comp=" + name
2246                    + ", token=" + token);
2247        }
2248        return performLaunchActivity(r, null);
2249    }
2250
2251    public final Activity getActivity(IBinder token) {
2252        return mActivities.get(token).activity;
2253    }
2254
2255    public final void sendActivityResult(
2256            IBinder token, String id, int requestCode,
2257            int resultCode, Intent data) {
2258        if (DEBUG_RESULTS) Log.v(TAG, "sendActivityResult: id=" + id
2259                + " req=" + requestCode + " res=" + resultCode + " data=" + data);
2260        ArrayList<ResultInfo> list = new ArrayList<ResultInfo>();
2261        list.add(new ResultInfo(id, requestCode, resultCode, data));
2262        mAppThread.scheduleSendResult(token, list);
2263    }
2264
2265    // if the thread hasn't started yet, we don't have the handler, so just
2266    // save the messages until we're ready.
2267    private final void queueOrSendMessage(int what, Object obj) {
2268        queueOrSendMessage(what, obj, 0, 0);
2269    }
2270
2271    private final void queueOrSendMessage(int what, Object obj, int arg1) {
2272        queueOrSendMessage(what, obj, arg1, 0);
2273    }
2274
2275    private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
2276        synchronized (this) {
2277            if (localLOGV) Log.v(
2278                TAG, "SCHEDULE " + what + " " + mH.codeToString(what)
2279                + ": " + arg1 + " / " + obj);
2280            Message msg = Message.obtain();
2281            msg.what = what;
2282            msg.obj = obj;
2283            msg.arg1 = arg1;
2284            msg.arg2 = arg2;
2285            mH.sendMessage(msg);
2286        }
2287    }
2288
2289    final void scheduleContextCleanup(ApplicationContext context, String who,
2290            String what) {
2291        ContextCleanupInfo cci = new ContextCleanupInfo();
2292        cci.context = context;
2293        cci.who = who;
2294        cci.what = what;
2295        queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci);
2296    }
2297
2298    private final Activity performLaunchActivity(ActivityRecord r, Intent customIntent) {
2299        // System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")");
2300
2301        ActivityInfo aInfo = r.activityInfo;
2302        if (r.packageInfo == null) {
2303            r.packageInfo = getPackageInfo(aInfo.applicationInfo,
2304                    Context.CONTEXT_INCLUDE_CODE);
2305        }
2306
2307        ComponentName component = r.intent.getComponent();
2308        if (component == null) {
2309            component = r.intent.resolveActivity(
2310                mInitialApplication.getPackageManager());
2311            r.intent.setComponent(component);
2312        }
2313
2314        if (r.activityInfo.targetActivity != null) {
2315            component = new ComponentName(r.activityInfo.packageName,
2316                    r.activityInfo.targetActivity);
2317        }
2318
2319        Activity activity = null;
2320        try {
2321            java.lang.ClassLoader cl = r.packageInfo.getClassLoader();
2322            activity = mInstrumentation.newActivity(
2323                    cl, component.getClassName(), r.intent);
2324            r.intent.setExtrasClassLoader(cl);
2325            if (r.state != null) {
2326                r.state.setClassLoader(cl);
2327            }
2328        } catch (Exception e) {
2329            if (!mInstrumentation.onException(activity, e)) {
2330                throw new RuntimeException(
2331                    "Unable to instantiate activity " + component
2332                    + ": " + e.toString(), e);
2333            }
2334        }
2335
2336        try {
2337            Application app = r.packageInfo.makeApplication(false);
2338
2339            if (localLOGV) Log.v(TAG, "Performing launch of " + r);
2340            if (localLOGV) Log.v(
2341                    TAG, r + ": app=" + app
2342                    + ", appName=" + app.getPackageName()
2343                    + ", pkg=" + r.packageInfo.getPackageName()
2344                    + ", comp=" + r.intent.getComponent().toShortString()
2345                    + ", dir=" + r.packageInfo.getAppDir());
2346
2347            if (activity != null) {
2348                ApplicationContext appContext = new ApplicationContext();
2349                appContext.init(r.packageInfo, r.token, this);
2350                appContext.setOuterContext(activity);
2351                CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager());
2352                Configuration config = new Configuration(mConfiguration);
2353                activity.attach(appContext, this, getInstrumentation(), r.token,
2354                        r.ident, app, r.intent, r.activityInfo, title, r.parent,
2355                        r.embeddedID, r.lastNonConfigurationInstance,
2356                        r.lastNonConfigurationChildInstances, config);
2357
2358                if (customIntent != null) {
2359                    activity.mIntent = customIntent;
2360                }
2361                r.lastNonConfigurationInstance = null;
2362                r.lastNonConfigurationChildInstances = null;
2363                activity.mStartedActivity = false;
2364                int theme = r.activityInfo.getThemeResource();
2365                if (theme != 0) {
2366                    activity.setTheme(theme);
2367                }
2368
2369                activity.mCalled = false;
2370                mInstrumentation.callActivityOnCreate(activity, r.state);
2371                if (!activity.mCalled) {
2372                    throw new SuperNotCalledException(
2373                        "Activity " + r.intent.getComponent().toShortString() +
2374                        " did not call through to super.onCreate()");
2375                }
2376                r.activity = activity;
2377                r.stopped = true;
2378                if (!r.activity.mFinished) {
2379                    activity.performStart();
2380                    r.stopped = false;
2381                }
2382                if (!r.activity.mFinished) {
2383                    if (r.state != null) {
2384                        mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state);
2385                    }
2386                }
2387                if (!r.activity.mFinished) {
2388                    activity.mCalled = false;
2389                    mInstrumentation.callActivityOnPostCreate(activity, r.state);
2390                    if (!activity.mCalled) {
2391                        throw new SuperNotCalledException(
2392                            "Activity " + r.intent.getComponent().toShortString() +
2393                            " did not call through to super.onPostCreate()");
2394                    }
2395                }
2396                r.state = null;
2397            }
2398            r.paused = true;
2399
2400            mActivities.put(r.token, r);
2401
2402        } catch (SuperNotCalledException e) {
2403            throw e;
2404
2405        } catch (Exception e) {
2406            if (!mInstrumentation.onException(activity, e)) {
2407                throw new RuntimeException(
2408                    "Unable to start activity " + component
2409                    + ": " + e.toString(), e);
2410            }
2411        }
2412
2413        return activity;
2414    }
2415
2416    private final void handleLaunchActivity(ActivityRecord r, Intent customIntent) {
2417        // If we are getting ready to gc after going to the background, well
2418        // we are back active so skip it.
2419        unscheduleGcIdler();
2420
2421        if (localLOGV) Log.v(
2422            TAG, "Handling launch of " + r);
2423        Activity a = performLaunchActivity(r, customIntent);
2424
2425        if (a != null) {
2426            handleResumeActivity(r.token, false, r.isForward);
2427
2428            if (!r.activity.mFinished && r.startsNotResumed) {
2429                // The activity manager actually wants this one to start out
2430                // paused, because it needs to be visible but isn't in the
2431                // foreground.  We accomplish this by going through the
2432                // normal startup (because activities expect to go through
2433                // onResume() the first time they run, before their window
2434                // is displayed), and then pausing it.  However, in this case
2435                // we do -not- need to do the full pause cycle (of freezing
2436                // and such) because the activity manager assumes it can just
2437                // retain the current state it has.
2438                try {
2439                    r.activity.mCalled = false;
2440                    mInstrumentation.callActivityOnPause(r.activity);
2441                    if (!r.activity.mCalled) {
2442                        throw new SuperNotCalledException(
2443                            "Activity " + r.intent.getComponent().toShortString() +
2444                            " did not call through to super.onPause()");
2445                    }
2446
2447                } catch (SuperNotCalledException e) {
2448                    throw e;
2449
2450                } catch (Exception e) {
2451                    if (!mInstrumentation.onException(r.activity, e)) {
2452                        throw new RuntimeException(
2453                                "Unable to pause activity "
2454                                + r.intent.getComponent().toShortString()
2455                                + ": " + e.toString(), e);
2456                    }
2457                }
2458                r.paused = true;
2459            }
2460        } else {
2461            // If there was an error, for any reason, tell the activity
2462            // manager to stop us.
2463            try {
2464                ActivityManagerNative.getDefault()
2465                    .finishActivity(r.token, Activity.RESULT_CANCELED, null);
2466            } catch (RemoteException ex) {
2467            }
2468        }
2469    }
2470
2471    private final void deliverNewIntents(ActivityRecord r,
2472            List<Intent> intents) {
2473        final int N = intents.size();
2474        for (int i=0; i<N; i++) {
2475            Intent intent = intents.get(i);
2476            intent.setExtrasClassLoader(r.activity.getClassLoader());
2477            mInstrumentation.callActivityOnNewIntent(r.activity, intent);
2478        }
2479    }
2480
2481    public final void performNewIntents(IBinder token,
2482            List<Intent> intents) {
2483        ActivityRecord r = mActivities.get(token);
2484        if (r != null) {
2485            final boolean resumed = !r.paused;
2486            if (resumed) {
2487                mInstrumentation.callActivityOnPause(r.activity);
2488            }
2489            deliverNewIntents(r, intents);
2490            if (resumed) {
2491                mInstrumentation.callActivityOnResume(r.activity);
2492            }
2493        }
2494    }
2495
2496    private final void handleNewIntent(NewIntentData data) {
2497        performNewIntents(data.token, data.intents);
2498    }
2499
2500    private final void handleReceiver(ReceiverData data) {
2501        // If we are getting ready to gc after going to the background, well
2502        // we are back active so skip it.
2503        unscheduleGcIdler();
2504
2505        String component = data.intent.getComponent().getClassName();
2506
2507        PackageInfo packageInfo = getPackageInfoNoCheck(
2508                data.info.applicationInfo);
2509
2510        IActivityManager mgr = ActivityManagerNative.getDefault();
2511
2512        BroadcastReceiver receiver = null;
2513        try {
2514            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2515            data.intent.setExtrasClassLoader(cl);
2516            if (data.resultExtras != null) {
2517                data.resultExtras.setClassLoader(cl);
2518            }
2519            receiver = (BroadcastReceiver)cl.loadClass(component).newInstance();
2520        } catch (Exception e) {
2521            try {
2522                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2523                                   data.resultData, data.resultExtras, data.resultAbort);
2524            } catch (RemoteException ex) {
2525            }
2526            throw new RuntimeException(
2527                "Unable to instantiate receiver " + component
2528                + ": " + e.toString(), e);
2529        }
2530
2531        try {
2532            Application app = packageInfo.makeApplication(false);
2533
2534            if (localLOGV) Log.v(
2535                TAG, "Performing receive of " + data.intent
2536                + ": app=" + app
2537                + ", appName=" + app.getPackageName()
2538                + ", pkg=" + packageInfo.getPackageName()
2539                + ", comp=" + data.intent.getComponent().toShortString()
2540                + ", dir=" + packageInfo.getAppDir());
2541
2542            ApplicationContext context = (ApplicationContext)app.getBaseContext();
2543            receiver.setOrderedHint(true);
2544            receiver.setResult(data.resultCode, data.resultData,
2545                data.resultExtras);
2546            receiver.setOrderedHint(data.sync);
2547            receiver.onReceive(context.getReceiverRestrictedContext(),
2548                    data.intent);
2549        } catch (Exception e) {
2550            try {
2551                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2552                    data.resultData, data.resultExtras, data.resultAbort);
2553            } catch (RemoteException ex) {
2554            }
2555            if (!mInstrumentation.onException(receiver, e)) {
2556                throw new RuntimeException(
2557                    "Unable to start receiver " + component
2558                    + ": " + e.toString(), e);
2559            }
2560        }
2561
2562        try {
2563            if (data.sync) {
2564                mgr.finishReceiver(
2565                    mAppThread.asBinder(), receiver.getResultCode(),
2566                    receiver.getResultData(), receiver.getResultExtras(false),
2567                        receiver.getAbortBroadcast());
2568            } else {
2569                mgr.finishReceiver(mAppThread.asBinder(), 0, null, null, false);
2570            }
2571        } catch (RemoteException ex) {
2572        }
2573    }
2574
2575    // Instantiate a BackupAgent and tell it that it's alive
2576    private final void handleCreateBackupAgent(CreateBackupAgentData data) {
2577        if (DEBUG_BACKUP) Log.v(TAG, "handleCreateBackupAgent: " + data);
2578
2579        // no longer idle; we have backup work to do
2580        unscheduleGcIdler();
2581
2582        // instantiate the BackupAgent class named in the manifest
2583        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2584        String packageName = packageInfo.mPackageName;
2585        if (mBackupAgents.get(packageName) != null) {
2586            Log.d(TAG, "BackupAgent " + "  for " + packageName
2587                    + " already exists");
2588            return;
2589        }
2590
2591        BackupAgent agent = null;
2592        String classname = data.appInfo.backupAgentName;
2593        if (classname == null) {
2594            if (data.backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) {
2595                Log.e(TAG, "Attempted incremental backup but no defined agent for "
2596                        + packageName);
2597                return;
2598            }
2599            classname = "android.app.FullBackupAgent";
2600        }
2601        try {
2602            IBinder binder = null;
2603            try {
2604                java.lang.ClassLoader cl = packageInfo.getClassLoader();
2605                agent = (BackupAgent) cl.loadClass(data.appInfo.backupAgentName).newInstance();
2606
2607                // set up the agent's context
2608                if (DEBUG_BACKUP) Log.v(TAG, "Initializing BackupAgent "
2609                        + data.appInfo.backupAgentName);
2610
2611                ApplicationContext context = new ApplicationContext();
2612                context.init(packageInfo, null, this);
2613                context.setOuterContext(agent);
2614                agent.attach(context);
2615
2616                agent.onCreate();
2617                binder = agent.onBind();
2618                mBackupAgents.put(packageName, agent);
2619            } catch (Exception e) {
2620                // If this is during restore, fail silently; otherwise go
2621                // ahead and let the user see the crash.
2622                Log.e(TAG, "Agent threw during creation: " + e);
2623                if (data.backupMode != IApplicationThread.BACKUP_MODE_RESTORE) {
2624                    throw e;
2625                }
2626                // falling through with 'binder' still null
2627            }
2628
2629            // tell the OS that we're live now
2630            try {
2631                ActivityManagerNative.getDefault().backupAgentCreated(packageName, binder);
2632            } catch (RemoteException e) {
2633                // nothing to do.
2634            }
2635        } catch (Exception e) {
2636            throw new RuntimeException("Unable to create BackupAgent "
2637                    + data.appInfo.backupAgentName + ": " + e.toString(), e);
2638        }
2639    }
2640
2641    // Tear down a BackupAgent
2642    private final void handleDestroyBackupAgent(CreateBackupAgentData data) {
2643        if (DEBUG_BACKUP) Log.v(TAG, "handleDestroyBackupAgent: " + data);
2644
2645        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2646        String packageName = packageInfo.mPackageName;
2647        BackupAgent agent = mBackupAgents.get(packageName);
2648        if (agent != null) {
2649            try {
2650                agent.onDestroy();
2651            } catch (Exception e) {
2652                Log.w(TAG, "Exception thrown in onDestroy by backup agent of " + data.appInfo);
2653                e.printStackTrace();
2654            }
2655            mBackupAgents.remove(packageName);
2656        } else {
2657            Log.w(TAG, "Attempt to destroy unknown backup agent " + data);
2658        }
2659    }
2660
2661    private final void handleCreateService(CreateServiceData data) {
2662        // If we are getting ready to gc after going to the background, well
2663        // we are back active so skip it.
2664        unscheduleGcIdler();
2665
2666        PackageInfo packageInfo = getPackageInfoNoCheck(
2667                data.info.applicationInfo);
2668        Service service = null;
2669        try {
2670            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2671            service = (Service) cl.loadClass(data.info.name).newInstance();
2672        } catch (Exception e) {
2673            if (!mInstrumentation.onException(service, e)) {
2674                throw new RuntimeException(
2675                    "Unable to instantiate service " + data.info.name
2676                    + ": " + e.toString(), e);
2677            }
2678        }
2679
2680        try {
2681            if (localLOGV) Log.v(TAG, "Creating service " + data.info.name);
2682
2683            ApplicationContext context = new ApplicationContext();
2684            context.init(packageInfo, null, this);
2685
2686            Application app = packageInfo.makeApplication(false);
2687            context.setOuterContext(service);
2688            service.attach(context, this, data.info.name, data.token, app,
2689                    ActivityManagerNative.getDefault());
2690            service.onCreate();
2691            mServices.put(data.token, service);
2692            try {
2693                ActivityManagerNative.getDefault().serviceDoneExecuting(
2694                        data.token, 0, 0, 0);
2695            } catch (RemoteException e) {
2696                // nothing to do.
2697            }
2698        } catch (Exception e) {
2699            if (!mInstrumentation.onException(service, e)) {
2700                throw new RuntimeException(
2701                    "Unable to create service " + data.info.name
2702                    + ": " + e.toString(), e);
2703            }
2704        }
2705    }
2706
2707    private final void handleBindService(BindServiceData data) {
2708        Service s = mServices.get(data.token);
2709        if (s != null) {
2710            try {
2711                data.intent.setExtrasClassLoader(s.getClassLoader());
2712                try {
2713                    if (!data.rebind) {
2714                        IBinder binder = s.onBind(data.intent);
2715                        ActivityManagerNative.getDefault().publishService(
2716                                data.token, data.intent, binder);
2717                    } else {
2718                        s.onRebind(data.intent);
2719                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2720                                data.token, 0, 0, 0);
2721                    }
2722                } catch (RemoteException ex) {
2723                }
2724            } catch (Exception e) {
2725                if (!mInstrumentation.onException(s, e)) {
2726                    throw new RuntimeException(
2727                            "Unable to bind to service " + s
2728                            + " with " + data.intent + ": " + e.toString(), e);
2729                }
2730            }
2731        }
2732    }
2733
2734    private final void handleUnbindService(BindServiceData data) {
2735        Service s = mServices.get(data.token);
2736        if (s != null) {
2737            try {
2738                data.intent.setExtrasClassLoader(s.getClassLoader());
2739                boolean doRebind = s.onUnbind(data.intent);
2740                try {
2741                    if (doRebind) {
2742                        ActivityManagerNative.getDefault().unbindFinished(
2743                                data.token, data.intent, doRebind);
2744                    } else {
2745                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2746                                data.token, 0, 0, 0);
2747                    }
2748                } catch (RemoteException ex) {
2749                }
2750            } catch (Exception e) {
2751                if (!mInstrumentation.onException(s, e)) {
2752                    throw new RuntimeException(
2753                            "Unable to unbind to service " + s
2754                            + " with " + data.intent + ": " + e.toString(), e);
2755                }
2756            }
2757        }
2758    }
2759
2760    private void handleDumpService(DumpServiceInfo info) {
2761        try {
2762            Service s = mServices.get(info.service);
2763            if (s != null) {
2764                PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd));
2765                s.dump(info.fd, pw, info.args);
2766                pw.close();
2767            }
2768        } finally {
2769            synchronized (info) {
2770                info.dumped = true;
2771                info.notifyAll();
2772            }
2773        }
2774    }
2775
2776    private final void handleServiceArgs(ServiceArgsData data) {
2777        Service s = mServices.get(data.token);
2778        if (s != null) {
2779            try {
2780                if (data.args != null) {
2781                    data.args.setExtrasClassLoader(s.getClassLoader());
2782                }
2783                int res = s.onStartCommand(data.args, data.flags, data.startId);
2784                try {
2785                    ActivityManagerNative.getDefault().serviceDoneExecuting(
2786                            data.token, 1, data.startId, res);
2787                } catch (RemoteException e) {
2788                    // nothing to do.
2789                }
2790            } catch (Exception e) {
2791                if (!mInstrumentation.onException(s, e)) {
2792                    throw new RuntimeException(
2793                            "Unable to start service " + s
2794                            + " with " + data.args + ": " + e.toString(), e);
2795                }
2796            }
2797        }
2798    }
2799
2800    private final void handleStopService(IBinder token) {
2801        Service s = mServices.remove(token);
2802        if (s != null) {
2803            try {
2804                if (localLOGV) Log.v(TAG, "Destroying service " + s);
2805                s.onDestroy();
2806                Context context = s.getBaseContext();
2807                if (context instanceof ApplicationContext) {
2808                    final String who = s.getClassName();
2809                    ((ApplicationContext) context).scheduleFinalCleanup(who, "Service");
2810                }
2811                try {
2812                    ActivityManagerNative.getDefault().serviceDoneExecuting(
2813                            token, 0, 0, 0);
2814                } catch (RemoteException e) {
2815                    // nothing to do.
2816                }
2817            } catch (Exception e) {
2818                if (!mInstrumentation.onException(s, e)) {
2819                    throw new RuntimeException(
2820                            "Unable to stop service " + s
2821                            + ": " + e.toString(), e);
2822                }
2823            }
2824        }
2825        //Log.i(TAG, "Running services: " + mServices);
2826    }
2827
2828    public final ActivityRecord performResumeActivity(IBinder token,
2829            boolean clearHide) {
2830        ActivityRecord r = mActivities.get(token);
2831        if (localLOGV) Log.v(TAG, "Performing resume of " + r
2832                + " finished=" + r.activity.mFinished);
2833        if (r != null && !r.activity.mFinished) {
2834            if (clearHide) {
2835                r.hideForNow = false;
2836                r.activity.mStartedActivity = false;
2837            }
2838            try {
2839                if (r.pendingIntents != null) {
2840                    deliverNewIntents(r, r.pendingIntents);
2841                    r.pendingIntents = null;
2842                }
2843                if (r.pendingResults != null) {
2844                    deliverResults(r, r.pendingResults);
2845                    r.pendingResults = null;
2846                }
2847                r.activity.performResume();
2848
2849                EventLog.writeEvent(LOG_ON_RESUME_CALLED,
2850                        r.activity.getComponentName().getClassName());
2851
2852                r.paused = false;
2853                r.stopped = false;
2854                if (r.activity.mStartedActivity) {
2855                    r.hideForNow = true;
2856                }
2857                r.state = null;
2858            } catch (Exception e) {
2859                if (!mInstrumentation.onException(r.activity, e)) {
2860                    throw new RuntimeException(
2861                        "Unable to resume activity "
2862                        + r.intent.getComponent().toShortString()
2863                        + ": " + e.toString(), e);
2864                }
2865            }
2866        }
2867        return r;
2868    }
2869
2870    final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) {
2871        // If we are getting ready to gc after going to the background, well
2872        // we are back active so skip it.
2873        unscheduleGcIdler();
2874
2875        ActivityRecord r = performResumeActivity(token, clearHide);
2876
2877        if (r != null) {
2878            final Activity a = r.activity;
2879
2880            if (localLOGV) Log.v(
2881                TAG, "Resume " + r + " started activity: " +
2882                a.mStartedActivity + ", hideForNow: " + r.hideForNow
2883                + ", finished: " + a.mFinished);
2884
2885            final int forwardBit = isForward ?
2886                    WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0;
2887
2888            // If the window hasn't yet been added to the window manager,
2889            // and this guy didn't finish itself or start another activity,
2890            // then go ahead and add the window.
2891            if (r.window == null && !a.mFinished && !a.mStartedActivity) {
2892                r.window = r.activity.getWindow();
2893                View decor = r.window.getDecorView();
2894                decor.setVisibility(View.INVISIBLE);
2895                ViewManager wm = a.getWindowManager();
2896                WindowManager.LayoutParams l = r.window.getAttributes();
2897                a.mDecor = decor;
2898                l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
2899                l.softInputMode |= forwardBit;
2900                if (a.mVisibleFromClient) {
2901                    a.mWindowAdded = true;
2902                    wm.addView(decor, l);
2903                }
2904
2905            // If the window has already been added, but during resume
2906            // we started another activity, then don't yet make the
2907            // window visisble.
2908            } else if (a.mStartedActivity) {
2909                if (localLOGV) Log.v(
2910                    TAG, "Launch " + r + " mStartedActivity set");
2911                r.hideForNow = true;
2912            }
2913
2914            // The window is now visible if it has been added, we are not
2915            // simply finishing, and we are not starting another activity.
2916            if (!r.activity.mFinished && r.activity.mDecor != null
2917                    && !r.hideForNow) {
2918                if (r.newConfig != null) {
2919                    performConfigurationChanged(r.activity, r.newConfig);
2920                    r.newConfig = null;
2921                }
2922                if (localLOGV) Log.v(TAG, "Resuming " + r + " with isForward="
2923                        + isForward);
2924                WindowManager.LayoutParams l = r.window.getAttributes();
2925                if ((l.softInputMode
2926                        & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)
2927                        != forwardBit) {
2928                    l.softInputMode = (l.softInputMode
2929                            & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION))
2930                            | forwardBit;
2931                    ViewManager wm = a.getWindowManager();
2932                    View decor = r.window.getDecorView();
2933                    wm.updateViewLayout(decor, l);
2934                }
2935                r.activity.mVisibleFromServer = true;
2936                mNumVisibleActivities++;
2937                if (r.activity.mVisibleFromClient) {
2938                    r.activity.makeVisible();
2939                }
2940            }
2941
2942            r.nextIdle = mNewActivities;
2943            mNewActivities = r;
2944            if (localLOGV) Log.v(
2945                TAG, "Scheduling idle handler for " + r);
2946            Looper.myQueue().addIdleHandler(new Idler());
2947
2948        } else {
2949            // If an exception was thrown when trying to resume, then
2950            // just end this activity.
2951            try {
2952                ActivityManagerNative.getDefault()
2953                    .finishActivity(token, Activity.RESULT_CANCELED, null);
2954            } catch (RemoteException ex) {
2955            }
2956        }
2957    }
2958
2959    private int mThumbnailWidth = -1;
2960    private int mThumbnailHeight = -1;
2961
2962    private final Bitmap createThumbnailBitmap(ActivityRecord r) {
2963        Bitmap thumbnail = null;
2964        try {
2965            int w = mThumbnailWidth;
2966            int h;
2967            if (w < 0) {
2968                Resources res = r.activity.getResources();
2969                mThumbnailHeight = h =
2970                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
2971
2972                mThumbnailWidth = w =
2973                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
2974            } else {
2975                h = mThumbnailHeight;
2976            }
2977
2978            // XXX Only set hasAlpha if needed?
2979            thumbnail = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
2980            thumbnail.eraseColor(0);
2981            Canvas cv = new Canvas(thumbnail);
2982            if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
2983                thumbnail = null;
2984            }
2985        } catch (Exception e) {
2986            if (!mInstrumentation.onException(r.activity, e)) {
2987                throw new RuntimeException(
2988                        "Unable to create thumbnail of "
2989                        + r.intent.getComponent().toShortString()
2990                        + ": " + e.toString(), e);
2991            }
2992            thumbnail = null;
2993        }
2994
2995        return thumbnail;
2996    }
2997
2998    private final void handlePauseActivity(IBinder token, boolean finished,
2999            boolean userLeaving, int configChanges) {
3000        ActivityRecord r = mActivities.get(token);
3001        if (r != null) {
3002            //Log.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r);
3003            if (userLeaving) {
3004                performUserLeavingActivity(r);
3005            }
3006
3007            r.activity.mConfigChangeFlags |= configChanges;
3008            Bundle state = performPauseActivity(token, finished, true);
3009
3010            // Tell the activity manager we have paused.
3011            try {
3012                ActivityManagerNative.getDefault().activityPaused(token, state);
3013            } catch (RemoteException ex) {
3014            }
3015        }
3016    }
3017
3018    final void performUserLeavingActivity(ActivityRecord r) {
3019        mInstrumentation.callActivityOnUserLeaving(r.activity);
3020    }
3021
3022    final Bundle performPauseActivity(IBinder token, boolean finished,
3023            boolean saveState) {
3024        ActivityRecord r = mActivities.get(token);
3025        return r != null ? performPauseActivity(r, finished, saveState) : null;
3026    }
3027
3028    final Bundle performPauseActivity(ActivityRecord r, boolean finished,
3029            boolean saveState) {
3030        if (r.paused) {
3031            if (r.activity.mFinished) {
3032                // If we are finishing, we won't call onResume() in certain cases.
3033                // So here we likewise don't want to call onPause() if the activity
3034                // isn't resumed.
3035                return null;
3036            }
3037            RuntimeException e = new RuntimeException(
3038                    "Performing pause of activity that is not resumed: "
3039                    + r.intent.getComponent().toShortString());
3040            Log.e(TAG, e.getMessage(), e);
3041        }
3042        Bundle state = null;
3043        if (finished) {
3044            r.activity.mFinished = true;
3045        }
3046        try {
3047            // Next have the activity save its current state and managed dialogs...
3048            if (!r.activity.mFinished && saveState) {
3049                state = new Bundle();
3050                mInstrumentation.callActivityOnSaveInstanceState(r.activity, state);
3051                r.state = state;
3052            }
3053            // Now we are idle.
3054            r.activity.mCalled = false;
3055            mInstrumentation.callActivityOnPause(r.activity);
3056            EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName());
3057            if (!r.activity.mCalled) {
3058                throw new SuperNotCalledException(
3059                    "Activity " + r.intent.getComponent().toShortString() +
3060                    " did not call through to super.onPause()");
3061            }
3062
3063        } catch (SuperNotCalledException e) {
3064            throw e;
3065
3066        } catch (Exception e) {
3067            if (!mInstrumentation.onException(r.activity, e)) {
3068                throw new RuntimeException(
3069                        "Unable to pause activity "
3070                        + r.intent.getComponent().toShortString()
3071                        + ": " + e.toString(), e);
3072            }
3073        }
3074        r.paused = true;
3075        return state;
3076    }
3077
3078    final void performStopActivity(IBinder token) {
3079        ActivityRecord r = mActivities.get(token);
3080        performStopActivityInner(r, null, false);
3081    }
3082
3083    private static class StopInfo {
3084        Bitmap thumbnail;
3085        CharSequence description;
3086    }
3087
3088    private final class ProviderRefCount {
3089        public int count;
3090        ProviderRefCount(int pCount) {
3091            count = pCount;
3092        }
3093    }
3094
3095    private final void performStopActivityInner(ActivityRecord r,
3096            StopInfo info, boolean keepShown) {
3097        if (localLOGV) Log.v(TAG, "Performing stop of " + r);
3098        if (r != null) {
3099            if (!keepShown && r.stopped) {
3100                if (r.activity.mFinished) {
3101                    // If we are finishing, we won't call onResume() in certain
3102                    // cases.  So here we likewise don't want to call onStop()
3103                    // if the activity isn't resumed.
3104                    return;
3105                }
3106                RuntimeException e = new RuntimeException(
3107                        "Performing stop of activity that is not resumed: "
3108                        + r.intent.getComponent().toShortString());
3109                Log.e(TAG, e.getMessage(), e);
3110            }
3111
3112            if (info != null) {
3113                try {
3114                    // First create a thumbnail for the activity...
3115                    //info.thumbnail = createThumbnailBitmap(r);
3116                    info.description = r.activity.onCreateDescription();
3117                } catch (Exception e) {
3118                    if (!mInstrumentation.onException(r.activity, e)) {
3119                        throw new RuntimeException(
3120                                "Unable to save state of activity "
3121                                + r.intent.getComponent().toShortString()
3122                                + ": " + e.toString(), e);
3123                    }
3124                }
3125            }
3126
3127            if (!keepShown) {
3128                try {
3129                    // Now we are idle.
3130                    r.activity.performStop();
3131                } catch (Exception e) {
3132                    if (!mInstrumentation.onException(r.activity, e)) {
3133                        throw new RuntimeException(
3134                                "Unable to stop activity "
3135                                + r.intent.getComponent().toShortString()
3136                                + ": " + e.toString(), e);
3137                    }
3138                }
3139                r.stopped = true;
3140            }
3141
3142            r.paused = true;
3143        }
3144    }
3145
3146    private final void updateVisibility(ActivityRecord r, boolean show) {
3147        View v = r.activity.mDecor;
3148        if (v != null) {
3149            if (show) {
3150                if (!r.activity.mVisibleFromServer) {
3151                    r.activity.mVisibleFromServer = true;
3152                    mNumVisibleActivities++;
3153                    if (r.activity.mVisibleFromClient) {
3154                        r.activity.makeVisible();
3155                    }
3156                }
3157                if (r.newConfig != null) {
3158                    performConfigurationChanged(r.activity, r.newConfig);
3159                    r.newConfig = null;
3160                }
3161            } else {
3162                if (r.activity.mVisibleFromServer) {
3163                    r.activity.mVisibleFromServer = false;
3164                    mNumVisibleActivities--;
3165                    v.setVisibility(View.INVISIBLE);
3166                }
3167            }
3168        }
3169    }
3170
3171    private final void handleStopActivity(IBinder token, boolean show, int configChanges) {
3172        ActivityRecord r = mActivities.get(token);
3173        r.activity.mConfigChangeFlags |= configChanges;
3174
3175        StopInfo info = new StopInfo();
3176        performStopActivityInner(r, info, show);
3177
3178        if (localLOGV) Log.v(
3179            TAG, "Finishing stop of " + r + ": show=" + show
3180            + " win=" + r.window);
3181
3182        updateVisibility(r, show);
3183
3184        // Tell activity manager we have been stopped.
3185        try {
3186            ActivityManagerNative.getDefault().activityStopped(
3187                r.token, info.thumbnail, info.description);
3188        } catch (RemoteException ex) {
3189        }
3190    }
3191
3192    final void performRestartActivity(IBinder token) {
3193        ActivityRecord r = mActivities.get(token);
3194        if (r.stopped) {
3195            r.activity.performRestart();
3196            r.stopped = false;
3197        }
3198    }
3199
3200    private final void handleWindowVisibility(IBinder token, boolean show) {
3201        ActivityRecord r = mActivities.get(token);
3202        if (!show && !r.stopped) {
3203            performStopActivityInner(r, null, show);
3204        } else if (show && r.stopped) {
3205            // If we are getting ready to gc after going to the background, well
3206            // we are back active so skip it.
3207            unscheduleGcIdler();
3208
3209            r.activity.performRestart();
3210            r.stopped = false;
3211        }
3212        if (r.activity.mDecor != null) {
3213            if (Config.LOGV) Log.v(
3214                TAG, "Handle window " + r + " visibility: " + show);
3215            updateVisibility(r, show);
3216        }
3217    }
3218
3219    private final void deliverResults(ActivityRecord r, List<ResultInfo> results) {
3220        final int N = results.size();
3221        for (int i=0; i<N; i++) {
3222            ResultInfo ri = results.get(i);
3223            try {
3224                if (ri.mData != null) {
3225                    ri.mData.setExtrasClassLoader(r.activity.getClassLoader());
3226                }
3227                if (DEBUG_RESULTS) Log.v(TAG,
3228                        "Delivering result to activity " + r + " : " + ri);
3229                r.activity.dispatchActivityResult(ri.mResultWho,
3230                        ri.mRequestCode, ri.mResultCode, ri.mData);
3231            } catch (Exception e) {
3232                if (!mInstrumentation.onException(r.activity, e)) {
3233                    throw new RuntimeException(
3234                            "Failure delivering result " + ri + " to activity "
3235                            + r.intent.getComponent().toShortString()
3236                            + ": " + e.toString(), e);
3237                }
3238            }
3239        }
3240    }
3241
3242    private final void handleSendResult(ResultData res) {
3243        ActivityRecord r = mActivities.get(res.token);
3244        if (DEBUG_RESULTS) Log.v(TAG, "Handling send result to " + r);
3245        if (r != null) {
3246            final boolean resumed = !r.paused;
3247            if (!r.activity.mFinished && r.activity.mDecor != null
3248                    && r.hideForNow && resumed) {
3249                // We had hidden the activity because it started another
3250                // one...  we have gotten a result back and we are not
3251                // paused, so make sure our window is visible.
3252                updateVisibility(r, true);
3253            }
3254            if (resumed) {
3255                try {
3256                    // Now we are idle.
3257                    r.activity.mCalled = false;
3258                    mInstrumentation.callActivityOnPause(r.activity);
3259                    if (!r.activity.mCalled) {
3260                        throw new SuperNotCalledException(
3261                            "Activity " + r.intent.getComponent().toShortString()
3262                            + " did not call through to super.onPause()");
3263                    }
3264                } catch (SuperNotCalledException e) {
3265                    throw e;
3266                } catch (Exception e) {
3267                    if (!mInstrumentation.onException(r.activity, e)) {
3268                        throw new RuntimeException(
3269                                "Unable to pause activity "
3270                                + r.intent.getComponent().toShortString()
3271                                + ": " + e.toString(), e);
3272                    }
3273                }
3274            }
3275            deliverResults(r, res.results);
3276            if (resumed) {
3277                mInstrumentation.callActivityOnResume(r.activity);
3278            }
3279        }
3280    }
3281
3282    public final ActivityRecord performDestroyActivity(IBinder token, boolean finishing) {
3283        return performDestroyActivity(token, finishing, 0, false);
3284    }
3285
3286    private final ActivityRecord performDestroyActivity(IBinder token, boolean finishing,
3287            int configChanges, boolean getNonConfigInstance) {
3288        ActivityRecord r = mActivities.get(token);
3289        if (localLOGV) Log.v(TAG, "Performing finish of " + r);
3290        if (r != null) {
3291            r.activity.mConfigChangeFlags |= configChanges;
3292            if (finishing) {
3293                r.activity.mFinished = true;
3294            }
3295            if (!r.paused) {
3296                try {
3297                    r.activity.mCalled = false;
3298                    mInstrumentation.callActivityOnPause(r.activity);
3299                    EventLog.writeEvent(LOG_ON_PAUSE_CALLED,
3300                            r.activity.getComponentName().getClassName());
3301                    if (!r.activity.mCalled) {
3302                        throw new SuperNotCalledException(
3303                            "Activity " + safeToComponentShortString(r.intent)
3304                            + " did not call through to super.onPause()");
3305                    }
3306                } catch (SuperNotCalledException e) {
3307                    throw e;
3308                } catch (Exception e) {
3309                    if (!mInstrumentation.onException(r.activity, e)) {
3310                        throw new RuntimeException(
3311                                "Unable to pause activity "
3312                                + safeToComponentShortString(r.intent)
3313                                + ": " + e.toString(), e);
3314                    }
3315                }
3316                r.paused = true;
3317            }
3318            if (!r.stopped) {
3319                try {
3320                    r.activity.performStop();
3321                } catch (SuperNotCalledException e) {
3322                    throw e;
3323                } catch (Exception e) {
3324                    if (!mInstrumentation.onException(r.activity, e)) {
3325                        throw new RuntimeException(
3326                                "Unable to stop activity "
3327                                + safeToComponentShortString(r.intent)
3328                                + ": " + e.toString(), e);
3329                    }
3330                }
3331                r.stopped = true;
3332            }
3333            if (getNonConfigInstance) {
3334                try {
3335                    r.lastNonConfigurationInstance
3336                            = r.activity.onRetainNonConfigurationInstance();
3337                } catch (Exception e) {
3338                    if (!mInstrumentation.onException(r.activity, e)) {
3339                        throw new RuntimeException(
3340                                "Unable to retain activity "
3341                                + r.intent.getComponent().toShortString()
3342                                + ": " + e.toString(), e);
3343                    }
3344                }
3345                try {
3346                    r.lastNonConfigurationChildInstances
3347                            = r.activity.onRetainNonConfigurationChildInstances();
3348                } catch (Exception e) {
3349                    if (!mInstrumentation.onException(r.activity, e)) {
3350                        throw new RuntimeException(
3351                                "Unable to retain child activities "
3352                                + safeToComponentShortString(r.intent)
3353                                + ": " + e.toString(), e);
3354                    }
3355                }
3356
3357            }
3358            try {
3359                r.activity.mCalled = false;
3360                r.activity.onDestroy();
3361                if (!r.activity.mCalled) {
3362                    throw new SuperNotCalledException(
3363                        "Activity " + safeToComponentShortString(r.intent) +
3364                        " did not call through to super.onDestroy()");
3365                }
3366                if (r.window != null) {
3367                    r.window.closeAllPanels();
3368                }
3369            } catch (SuperNotCalledException e) {
3370                throw e;
3371            } catch (Exception e) {
3372                if (!mInstrumentation.onException(r.activity, e)) {
3373                    throw new RuntimeException(
3374                            "Unable to destroy activity " + safeToComponentShortString(r.intent)
3375                            + ": " + e.toString(), e);
3376                }
3377            }
3378        }
3379        mActivities.remove(token);
3380
3381        return r;
3382    }
3383
3384    private static String safeToComponentShortString(Intent intent) {
3385        ComponentName component = intent.getComponent();
3386        return component == null ? "[Unknown]" : component.toShortString();
3387    }
3388
3389    private final void handleDestroyActivity(IBinder token, boolean finishing,
3390            int configChanges, boolean getNonConfigInstance) {
3391        ActivityRecord r = performDestroyActivity(token, finishing,
3392                configChanges, getNonConfigInstance);
3393        if (r != null) {
3394            WindowManager wm = r.activity.getWindowManager();
3395            View v = r.activity.mDecor;
3396            if (v != null) {
3397                if (r.activity.mVisibleFromServer) {
3398                    mNumVisibleActivities--;
3399                }
3400                IBinder wtoken = v.getWindowToken();
3401                if (r.activity.mWindowAdded) {
3402                    wm.removeViewImmediate(v);
3403                }
3404                if (wtoken != null) {
3405                    WindowManagerImpl.getDefault().closeAll(wtoken,
3406                            r.activity.getClass().getName(), "Activity");
3407                }
3408                r.activity.mDecor = null;
3409            }
3410            WindowManagerImpl.getDefault().closeAll(token,
3411                    r.activity.getClass().getName(), "Activity");
3412
3413            // Mocked out contexts won't be participating in the normal
3414            // process lifecycle, but if we're running with a proper
3415            // ApplicationContext we need to have it tear down things
3416            // cleanly.
3417            Context c = r.activity.getBaseContext();
3418            if (c instanceof ApplicationContext) {
3419                ((ApplicationContext) c).scheduleFinalCleanup(
3420                        r.activity.getClass().getName(), "Activity");
3421            }
3422        }
3423        if (finishing) {
3424            try {
3425                ActivityManagerNative.getDefault().activityDestroyed(token);
3426            } catch (RemoteException ex) {
3427                // If the system process has died, it's game over for everyone.
3428            }
3429        }
3430    }
3431
3432    private final void handleRelaunchActivity(ActivityRecord tmp, int configChanges) {
3433        // If we are getting ready to gc after going to the background, well
3434        // we are back active so skip it.
3435        unscheduleGcIdler();
3436
3437        Configuration changedConfig = null;
3438
3439        // First: make sure we have the most recent configuration and most
3440        // recent version of the activity, or skip it if some previous call
3441        // had taken a more recent version.
3442        synchronized (mRelaunchingActivities) {
3443            int N = mRelaunchingActivities.size();
3444            IBinder token = tmp.token;
3445            tmp = null;
3446            for (int i=0; i<N; i++) {
3447                ActivityRecord r = mRelaunchingActivities.get(i);
3448                if (r.token == token) {
3449                    tmp = r;
3450                    mRelaunchingActivities.remove(i);
3451                    i--;
3452                    N--;
3453                }
3454            }
3455
3456            if (tmp == null) {
3457                return;
3458            }
3459
3460            if (mPendingConfiguration != null) {
3461                changedConfig = mPendingConfiguration;
3462                mPendingConfiguration = null;
3463            }
3464        }
3465
3466        // If there was a pending configuration change, execute it first.
3467        if (changedConfig != null) {
3468            handleConfigurationChanged(changedConfig);
3469        }
3470
3471        ActivityRecord r = mActivities.get(tmp.token);
3472        if (localLOGV) Log.v(TAG, "Handling relaunch of " + r);
3473        if (r == null) {
3474            return;
3475        }
3476
3477        r.activity.mConfigChangeFlags |= configChanges;
3478        Intent currentIntent = r.activity.mIntent;
3479
3480        Bundle savedState = null;
3481        if (!r.paused) {
3482            savedState = performPauseActivity(r.token, false, true);
3483        }
3484
3485        handleDestroyActivity(r.token, false, configChanges, true);
3486
3487        r.activity = null;
3488        r.window = null;
3489        r.hideForNow = false;
3490        r.nextIdle = null;
3491        // Merge any pending results and pending intents; don't just replace them
3492        if (tmp.pendingResults != null) {
3493            if (r.pendingResults == null) {
3494                r.pendingResults = tmp.pendingResults;
3495            } else {
3496                r.pendingResults.addAll(tmp.pendingResults);
3497            }
3498        }
3499        if (tmp.pendingIntents != null) {
3500            if (r.pendingIntents == null) {
3501                r.pendingIntents = tmp.pendingIntents;
3502            } else {
3503                r.pendingIntents.addAll(tmp.pendingIntents);
3504            }
3505        }
3506        r.startsNotResumed = tmp.startsNotResumed;
3507        if (savedState != null) {
3508            r.state = savedState;
3509        }
3510
3511        handleLaunchActivity(r, currentIntent);
3512    }
3513
3514    private final void handleRequestThumbnail(IBinder token) {
3515        ActivityRecord r = mActivities.get(token);
3516        Bitmap thumbnail = createThumbnailBitmap(r);
3517        CharSequence description = null;
3518        try {
3519            description = r.activity.onCreateDescription();
3520        } catch (Exception e) {
3521            if (!mInstrumentation.onException(r.activity, e)) {
3522                throw new RuntimeException(
3523                        "Unable to create description of activity "
3524                        + r.intent.getComponent().toShortString()
3525                        + ": " + e.toString(), e);
3526            }
3527        }
3528        //System.out.println("Reporting top thumbnail " + thumbnail);
3529        try {
3530            ActivityManagerNative.getDefault().reportThumbnail(
3531                token, thumbnail, description);
3532        } catch (RemoteException ex) {
3533        }
3534    }
3535
3536    ArrayList<ComponentCallbacks> collectComponentCallbacksLocked(
3537            boolean allActivities, Configuration newConfig) {
3538        ArrayList<ComponentCallbacks> callbacks
3539                = new ArrayList<ComponentCallbacks>();
3540
3541        if (mActivities.size() > 0) {
3542            Iterator<ActivityRecord> it = mActivities.values().iterator();
3543            while (it.hasNext()) {
3544                ActivityRecord ar = it.next();
3545                Activity a = ar.activity;
3546                if (a != null) {
3547                    if (!ar.activity.mFinished && (allActivities ||
3548                            (a != null && !ar.paused))) {
3549                        // If the activity is currently resumed, its configuration
3550                        // needs to change right now.
3551                        callbacks.add(a);
3552                    } else if (newConfig != null) {
3553                        // Otherwise, we will tell it about the change
3554                        // the next time it is resumed or shown.  Note that
3555                        // the activity manager may, before then, decide the
3556                        // activity needs to be destroyed to handle its new
3557                        // configuration.
3558                        ar.newConfig = newConfig;
3559                    }
3560                }
3561            }
3562        }
3563        if (mServices.size() > 0) {
3564            Iterator<Service> it = mServices.values().iterator();
3565            while (it.hasNext()) {
3566                callbacks.add(it.next());
3567            }
3568        }
3569        synchronized (mProviderMap) {
3570            if (mLocalProviders.size() > 0) {
3571                Iterator<ProviderRecord> it = mLocalProviders.values().iterator();
3572                while (it.hasNext()) {
3573                    callbacks.add(it.next().mLocalProvider);
3574                }
3575            }
3576        }
3577        final int N = mAllApplications.size();
3578        for (int i=0; i<N; i++) {
3579            callbacks.add(mAllApplications.get(i));
3580        }
3581
3582        return callbacks;
3583    }
3584
3585    private final void performConfigurationChanged(
3586            ComponentCallbacks cb, Configuration config) {
3587        // Only for Activity objects, check that they actually call up to their
3588        // superclass implementation.  ComponentCallbacks is an interface, so
3589        // we check the runtime type and act accordingly.
3590        Activity activity = (cb instanceof Activity) ? (Activity) cb : null;
3591        if (activity != null) {
3592            activity.mCalled = false;
3593        }
3594
3595        boolean shouldChangeConfig = false;
3596        if ((activity == null) || (activity.mCurrentConfig == null)) {
3597            shouldChangeConfig = true;
3598        } else {
3599
3600            // If the new config is the same as the config this Activity
3601            // is already running with then don't bother calling
3602            // onConfigurationChanged
3603            int diff = activity.mCurrentConfig.diff(config);
3604            if (diff != 0) {
3605
3606                // If this activity doesn't handle any of the config changes
3607                // then don't bother calling onConfigurationChanged as we're
3608                // going to destroy it.
3609                if ((~activity.mActivityInfo.configChanges & diff) == 0) {
3610                    shouldChangeConfig = true;
3611                }
3612            }
3613        }
3614
3615        if (shouldChangeConfig) {
3616            cb.onConfigurationChanged(config);
3617
3618            if (activity != null) {
3619                if (!activity.mCalled) {
3620                    throw new SuperNotCalledException(
3621                            "Activity " + activity.getLocalClassName() +
3622                        " did not call through to super.onConfigurationChanged()");
3623                }
3624                activity.mConfigChangeFlags = 0;
3625                activity.mCurrentConfig = new Configuration(config);
3626            }
3627        }
3628    }
3629
3630    final void handleConfigurationChanged(Configuration config) {
3631
3632        synchronized (mRelaunchingActivities) {
3633            if (mPendingConfiguration != null) {
3634                config = mPendingConfiguration;
3635                mPendingConfiguration = null;
3636            }
3637        }
3638
3639        ArrayList<ComponentCallbacks> callbacks
3640                = new ArrayList<ComponentCallbacks>();
3641
3642        synchronized(mPackages) {
3643            if (mConfiguration == null) {
3644                mConfiguration = new Configuration();
3645            }
3646            mConfiguration.updateFrom(config);
3647            DisplayMetrics dm = getDisplayMetricsLocked(true);
3648
3649            // set it for java, this also affects newly created Resources
3650            if (config.locale != null) {
3651                Locale.setDefault(config.locale);
3652            }
3653
3654            Resources.updateSystemConfiguration(config, dm);
3655
3656            ApplicationContext.ApplicationPackageManager.configurationChanged();
3657            //Log.i(TAG, "Configuration changed in " + currentPackageName());
3658            {
3659                Iterator<WeakReference<Resources>> it =
3660                    mActiveResources.values().iterator();
3661                //Iterator<Map.Entry<String, WeakReference<Resources>>> it =
3662                //    mActiveResources.entrySet().iterator();
3663                while (it.hasNext()) {
3664                    WeakReference<Resources> v = it.next();
3665                    Resources r = v.get();
3666                    if (r != null) {
3667                        r.updateConfiguration(config, dm);
3668                        //Log.i(TAG, "Updated app resources " + v.getKey()
3669                        //        + " " + r + ": " + r.getConfiguration());
3670                    } else {
3671                        //Log.i(TAG, "Removing old resources " + v.getKey());
3672                        it.remove();
3673                    }
3674                }
3675            }
3676
3677            callbacks = collectComponentCallbacksLocked(false, config);
3678        }
3679
3680        final int N = callbacks.size();
3681        for (int i=0; i<N; i++) {
3682            performConfigurationChanged(callbacks.get(i), config);
3683        }
3684    }
3685
3686    final void handleActivityConfigurationChanged(IBinder token) {
3687        ActivityRecord r = mActivities.get(token);
3688        if (r == null || r.activity == null) {
3689            return;
3690        }
3691
3692        performConfigurationChanged(r.activity, mConfiguration);
3693    }
3694
3695    final void handleProfilerControl(boolean start, ProfilerControlData pcd) {
3696        if (start) {
3697            try {
3698                Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(),
3699                        8 * 1024 * 1024, 0);
3700            } catch (RuntimeException e) {
3701                Log.w(TAG, "Profiling failed on path " + pcd.path
3702                        + " -- can the process access this path?");
3703            } finally {
3704                try {
3705                    pcd.fd.close();
3706                } catch (IOException e) {
3707                    Log.w(TAG, "Failure closing profile fd", e);
3708                }
3709            }
3710        } else {
3711            Debug.stopMethodTracing();
3712        }
3713    }
3714
3715    final void handleLowMemory() {
3716        ArrayList<ComponentCallbacks> callbacks
3717                = new ArrayList<ComponentCallbacks>();
3718
3719        synchronized(mPackages) {
3720            callbacks = collectComponentCallbacksLocked(true, null);
3721        }
3722
3723        final int N = callbacks.size();
3724        for (int i=0; i<N; i++) {
3725            callbacks.get(i).onLowMemory();
3726        }
3727
3728        // Ask SQLite to free up as much memory as it can, mostly from its page caches.
3729        if (Process.myUid() != Process.SYSTEM_UID) {
3730            int sqliteReleased = SQLiteDatabase.releaseMemory();
3731            EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased);
3732        }
3733
3734        // Ask graphics to free up as much as possible (font/image caches)
3735        Canvas.freeCaches();
3736
3737        BinderInternal.forceGc("mem");
3738    }
3739
3740    private final void handleBindApplication(AppBindData data) {
3741        mBoundApplication = data;
3742        mConfiguration = new Configuration(data.config);
3743
3744        // We now rely on this being set by zygote.
3745        //Process.setGid(data.appInfo.gid);
3746        //Process.setUid(data.appInfo.uid);
3747
3748        // send up app name; do this *before* waiting for debugger
3749        android.ddm.DdmHandleAppName.setAppName(data.processName);
3750
3751        /*
3752         * Before spawning a new process, reset the time zone to be the system time zone.
3753         * This needs to be done because the system time zone could have changed after the
3754         * the spawning of this process. Without doing this this process would have the incorrect
3755         * system time zone.
3756         */
3757        TimeZone.setDefault(null);
3758
3759        /*
3760         * Initialize the default locale in this process for the reasons we set the time zone.
3761         */
3762        Locale.setDefault(data.config.locale);
3763
3764        /*
3765         * Update the system configuration since its preloaded and might not
3766         * reflect configuration changes. The configuration object passed
3767         * in AppBindData can be safely assumed to be up to date
3768         */
3769        Resources.getSystem().updateConfiguration(mConfiguration, null);
3770
3771        data.info = getPackageInfoNoCheck(data.appInfo);
3772
3773        /**
3774         * Switch this process to density compatibility mode if needed.
3775         */
3776        if ((data.appInfo.flags&ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES)
3777                == 0) {
3778            Bitmap.setDefaultDensity(DisplayMetrics.DENSITY_DEFAULT);
3779        }
3780
3781        if (data.debugMode != IApplicationThread.DEBUG_OFF) {
3782            // XXX should have option to change the port.
3783            Debug.changeDebugPort(8100);
3784            if (data.debugMode == IApplicationThread.DEBUG_WAIT) {
3785                Log.w(TAG, "Application " + data.info.getPackageName()
3786                      + " is waiting for the debugger on port 8100...");
3787
3788                IActivityManager mgr = ActivityManagerNative.getDefault();
3789                try {
3790                    mgr.showWaitingForDebugger(mAppThread, true);
3791                } catch (RemoteException ex) {
3792                }
3793
3794                Debug.waitForDebugger();
3795
3796                try {
3797                    mgr.showWaitingForDebugger(mAppThread, false);
3798                } catch (RemoteException ex) {
3799                }
3800
3801            } else {
3802                Log.w(TAG, "Application " + data.info.getPackageName()
3803                      + " can be debugged on port 8100...");
3804            }
3805        }
3806
3807        if (data.instrumentationName != null) {
3808            ApplicationContext appContext = new ApplicationContext();
3809            appContext.init(data.info, null, this);
3810            InstrumentationInfo ii = null;
3811            try {
3812                ii = appContext.getPackageManager().
3813                    getInstrumentationInfo(data.instrumentationName, 0);
3814            } catch (PackageManager.NameNotFoundException e) {
3815            }
3816            if (ii == null) {
3817                throw new RuntimeException(
3818                    "Unable to find instrumentation info for: "
3819                    + data.instrumentationName);
3820            }
3821
3822            mInstrumentationAppDir = ii.sourceDir;
3823            mInstrumentationAppPackage = ii.packageName;
3824            mInstrumentedAppDir = data.info.getAppDir();
3825
3826            ApplicationInfo instrApp = new ApplicationInfo();
3827            instrApp.packageName = ii.packageName;
3828            instrApp.sourceDir = ii.sourceDir;
3829            instrApp.publicSourceDir = ii.publicSourceDir;
3830            instrApp.dataDir = ii.dataDir;
3831            PackageInfo pi = getPackageInfo(instrApp,
3832                    appContext.getClassLoader(), false, true);
3833            ApplicationContext instrContext = new ApplicationContext();
3834            instrContext.init(pi, null, this);
3835
3836            try {
3837                java.lang.ClassLoader cl = instrContext.getClassLoader();
3838                mInstrumentation = (Instrumentation)
3839                    cl.loadClass(data.instrumentationName.getClassName()).newInstance();
3840            } catch (Exception e) {
3841                throw new RuntimeException(
3842                    "Unable to instantiate instrumentation "
3843                    + data.instrumentationName + ": " + e.toString(), e);
3844            }
3845
3846            mInstrumentation.init(this, instrContext, appContext,
3847                    new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher);
3848
3849            if (data.profileFile != null && !ii.handleProfiling) {
3850                data.handlingProfiling = true;
3851                File file = new File(data.profileFile);
3852                file.getParentFile().mkdirs();
3853                Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
3854            }
3855
3856            try {
3857                mInstrumentation.onCreate(data.instrumentationArgs);
3858            }
3859            catch (Exception e) {
3860                throw new RuntimeException(
3861                    "Exception thrown in onCreate() of "
3862                    + data.instrumentationName + ": " + e.toString(), e);
3863            }
3864
3865        } else {
3866            mInstrumentation = new Instrumentation();
3867        }
3868
3869        // If the app is being launched for full backup or restore, bring it up in
3870        // a restricted environment with the base application class.
3871        Application app = data.info.makeApplication(data.restrictedBackupMode);
3872        mInitialApplication = app;
3873
3874        List<ProviderInfo> providers = data.providers;
3875        if (providers != null) {
3876            installContentProviders(app, providers);
3877        }
3878
3879        try {
3880            mInstrumentation.callApplicationOnCreate(app);
3881        } catch (Exception e) {
3882            if (!mInstrumentation.onException(app, e)) {
3883                throw new RuntimeException(
3884                    "Unable to create application " + app.getClass().getName()
3885                    + ": " + e.toString(), e);
3886            }
3887        }
3888    }
3889
3890    /*package*/ final void finishInstrumentation(int resultCode, Bundle results) {
3891        IActivityManager am = ActivityManagerNative.getDefault();
3892        if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) {
3893            Debug.stopMethodTracing();
3894        }
3895        //Log.i(TAG, "am: " + ActivityManagerNative.getDefault()
3896        //      + ", app thr: " + mAppThread);
3897        try {
3898            am.finishInstrumentation(mAppThread, resultCode, results);
3899        } catch (RemoteException ex) {
3900        }
3901    }
3902
3903    private final void installContentProviders(
3904            Context context, List<ProviderInfo> providers) {
3905        final ArrayList<IActivityManager.ContentProviderHolder> results =
3906            new ArrayList<IActivityManager.ContentProviderHolder>();
3907
3908        Iterator<ProviderInfo> i = providers.iterator();
3909        while (i.hasNext()) {
3910            ProviderInfo cpi = i.next();
3911            StringBuilder buf = new StringBuilder(128);
3912            buf.append("Publishing provider ");
3913            buf.append(cpi.authority);
3914            buf.append(": ");
3915            buf.append(cpi.name);
3916            Log.i(TAG, buf.toString());
3917            IContentProvider cp = installProvider(context, null, cpi, false);
3918            if (cp != null) {
3919                IActivityManager.ContentProviderHolder cph =
3920                    new IActivityManager.ContentProviderHolder(cpi);
3921                cph.provider = cp;
3922                results.add(cph);
3923                // Don't ever unload this provider from the process.
3924                synchronized(mProviderMap) {
3925                    mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000));
3926                }
3927            }
3928        }
3929
3930        try {
3931            ActivityManagerNative.getDefault().publishContentProviders(
3932                getApplicationThread(), results);
3933        } catch (RemoteException ex) {
3934        }
3935    }
3936
3937    private final IContentProvider getProvider(Context context, String name) {
3938        synchronized(mProviderMap) {
3939            final ProviderRecord pr = mProviderMap.get(name);
3940            if (pr != null) {
3941                return pr.mProvider;
3942            }
3943        }
3944
3945        IActivityManager.ContentProviderHolder holder = null;
3946        try {
3947            holder = ActivityManagerNative.getDefault().getContentProvider(
3948                getApplicationThread(), name);
3949        } catch (RemoteException ex) {
3950        }
3951        if (holder == null) {
3952            Log.e(TAG, "Failed to find provider info for " + name);
3953            return null;
3954        }
3955        if (holder.permissionFailure != null) {
3956            throw new SecurityException("Permission " + holder.permissionFailure
3957                    + " required for provider " + name);
3958        }
3959
3960        IContentProvider prov = installProvider(context, holder.provider,
3961                holder.info, true);
3962        //Log.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded);
3963        if (holder.noReleaseNeeded || holder.provider == null) {
3964            // We are not going to release the provider if it is an external
3965            // provider that doesn't care about being released, or if it is
3966            // a local provider running in this process.
3967            //Log.i(TAG, "*** NO RELEASE NEEDED");
3968            synchronized(mProviderMap) {
3969                mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000));
3970            }
3971        }
3972        return prov;
3973    }
3974
3975    public final IContentProvider acquireProvider(Context c, String name) {
3976        IContentProvider provider = getProvider(c, name);
3977        if(provider == null)
3978            return null;
3979        IBinder jBinder = provider.asBinder();
3980        synchronized(mProviderMap) {
3981            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
3982            if(prc == null) {
3983                mProviderRefCountMap.put(jBinder, new ProviderRefCount(1));
3984            } else {
3985                prc.count++;
3986            } //end else
3987        } //end synchronized
3988        return provider;
3989    }
3990
3991    public final boolean releaseProvider(IContentProvider provider) {
3992        if(provider == null) {
3993            return false;
3994        }
3995        IBinder jBinder = provider.asBinder();
3996        synchronized(mProviderMap) {
3997            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
3998            if(prc == null) {
3999                if(localLOGV) Log.v(TAG, "releaseProvider::Weird shouldnt be here");
4000                return false;
4001            } else {
4002                prc.count--;
4003                if(prc.count == 0) {
4004                    mProviderRefCountMap.remove(jBinder);
4005                    //invoke removeProvider to dereference provider
4006                    removeProviderLocked(provider);
4007                } //end if
4008            } //end else
4009        } //end synchronized
4010        return true;
4011    }
4012
4013    public final void removeProviderLocked(IContentProvider provider) {
4014        if (provider == null) {
4015            return;
4016        }
4017        IBinder providerBinder = provider.asBinder();
4018        boolean amRemoveFlag = false;
4019
4020        // remove the provider from mProviderMap
4021        Iterator<ProviderRecord> iter = mProviderMap.values().iterator();
4022        while (iter.hasNext()) {
4023            ProviderRecord pr = iter.next();
4024            IBinder myBinder = pr.mProvider.asBinder();
4025            if (myBinder == providerBinder) {
4026                //find if its published by this process itself
4027                if(pr.mLocalProvider != null) {
4028                    if(localLOGV) Log.i(TAG, "removeProvider::found local provider returning");
4029                    return;
4030                }
4031                if(localLOGV) Log.v(TAG, "removeProvider::Not local provider Unlinking " +
4032                        "death recipient");
4033                //content provider is in another process
4034                myBinder.unlinkToDeath(pr, 0);
4035                iter.remove();
4036                //invoke remove only once for the very first name seen
4037                if(!amRemoveFlag) {
4038                    try {
4039                        if(localLOGV) Log.v(TAG, "removeProvider::Invoking " +
4040                                "ActivityManagerNative.removeContentProvider("+pr.mName);
4041                        ActivityManagerNative.getDefault().removeContentProvider(getApplicationThread(), pr.mName);
4042                        amRemoveFlag = true;
4043                    } catch (RemoteException e) {
4044                        //do nothing content provider object is dead any way
4045                    } //end catch
4046                }
4047            } //end if myBinder
4048        }  //end while iter
4049    }
4050
4051    final void removeDeadProvider(String name, IContentProvider provider) {
4052        synchronized(mProviderMap) {
4053            ProviderRecord pr = mProviderMap.get(name);
4054            if (pr.mProvider.asBinder() == provider.asBinder()) {
4055                Log.i(TAG, "Removing dead content provider: " + name);
4056                ProviderRecord removed = mProviderMap.remove(name);
4057                if (removed != null) {
4058                    removed.mProvider.asBinder().unlinkToDeath(removed, 0);
4059                }
4060            }
4061        }
4062    }
4063
4064    final void removeDeadProviderLocked(String name, IContentProvider provider) {
4065        ProviderRecord pr = mProviderMap.get(name);
4066        if (pr.mProvider.asBinder() == provider.asBinder()) {
4067            Log.i(TAG, "Removing dead content provider: " + name);
4068            ProviderRecord removed = mProviderMap.remove(name);
4069            if (removed != null) {
4070                removed.mProvider.asBinder().unlinkToDeath(removed, 0);
4071            }
4072        }
4073    }
4074
4075    private final IContentProvider installProvider(Context context,
4076            IContentProvider provider, ProviderInfo info, boolean noisy) {
4077        ContentProvider localProvider = null;
4078        if (provider == null) {
4079            if (noisy) {
4080                Log.d(TAG, "Loading provider " + info.authority + ": "
4081                        + info.name);
4082            }
4083            Context c = null;
4084            ApplicationInfo ai = info.applicationInfo;
4085            if (context.getPackageName().equals(ai.packageName)) {
4086                c = context;
4087            } else if (mInitialApplication != null &&
4088                    mInitialApplication.getPackageName().equals(ai.packageName)) {
4089                c = mInitialApplication;
4090            } else {
4091                try {
4092                    c = context.createPackageContext(ai.packageName,
4093                            Context.CONTEXT_INCLUDE_CODE);
4094                } catch (PackageManager.NameNotFoundException e) {
4095                }
4096            }
4097            if (c == null) {
4098                Log.w(TAG, "Unable to get context for package " +
4099                      ai.packageName +
4100                      " while loading content provider " +
4101                      info.name);
4102                return null;
4103            }
4104            try {
4105                final java.lang.ClassLoader cl = c.getClassLoader();
4106                localProvider = (ContentProvider)cl.
4107                    loadClass(info.name).newInstance();
4108                provider = localProvider.getIContentProvider();
4109                if (provider == null) {
4110                    Log.e(TAG, "Failed to instantiate class " +
4111                          info.name + " from sourceDir " +
4112                          info.applicationInfo.sourceDir);
4113                    return null;
4114                }
4115                if (Config.LOGV) Log.v(
4116                    TAG, "Instantiating local provider " + info.name);
4117                // XXX Need to create the correct context for this provider.
4118                localProvider.attachInfo(c, info);
4119            } catch (java.lang.Exception e) {
4120                if (!mInstrumentation.onException(null, e)) {
4121                    throw new RuntimeException(
4122                            "Unable to get provider " + info.name
4123                            + ": " + e.toString(), e);
4124                }
4125                return null;
4126            }
4127        } else if (localLOGV) {
4128            Log.v(TAG, "Installing external provider " + info.authority + ": "
4129                    + info.name);
4130        }
4131
4132        synchronized (mProviderMap) {
4133            // Cache the pointer for the remote provider.
4134            String names[] = PATTERN_SEMICOLON.split(info.authority);
4135            for (int i=0; i<names.length; i++) {
4136                ProviderRecord pr = new ProviderRecord(names[i], provider,
4137                        localProvider);
4138                try {
4139                    provider.asBinder().linkToDeath(pr, 0);
4140                    mProviderMap.put(names[i], pr);
4141                } catch (RemoteException e) {
4142                    return null;
4143                }
4144            }
4145            if (localProvider != null) {
4146                mLocalProviders.put(provider.asBinder(),
4147                        new ProviderRecord(null, provider, localProvider));
4148            }
4149        }
4150
4151        return provider;
4152    }
4153
4154    private final void attach(boolean system) {
4155        sThreadLocal.set(this);
4156        mSystemThread = system;
4157        AndroidHttpClient.setThreadBlocked(true);
4158        if (!system) {
4159            android.ddm.DdmHandleAppName.setAppName("<pre-initialized>");
4160            RuntimeInit.setApplicationObject(mAppThread.asBinder());
4161            IActivityManager mgr = ActivityManagerNative.getDefault();
4162            try {
4163                mgr.attachApplication(mAppThread);
4164            } catch (RemoteException ex) {
4165            }
4166        } else {
4167            // Don't set application object here -- if the system crashes,
4168            // we can't display an alert, we just want to die die die.
4169            android.ddm.DdmHandleAppName.setAppName("system_process");
4170            try {
4171                mInstrumentation = new Instrumentation();
4172                ApplicationContext context = new ApplicationContext();
4173                context.init(getSystemContext().mPackageInfo, null, this);
4174                Application app = Instrumentation.newApplication(Application.class, context);
4175                mAllApplications.add(app);
4176                mInitialApplication = app;
4177                app.onCreate();
4178            } catch (Exception e) {
4179                throw new RuntimeException(
4180                        "Unable to instantiate Application():" + e.toString(), e);
4181            }
4182        }
4183    }
4184
4185    private final void detach()
4186    {
4187        AndroidHttpClient.setThreadBlocked(false);
4188        sThreadLocal.set(null);
4189    }
4190
4191    public static final ActivityThread systemMain() {
4192        ActivityThread thread = new ActivityThread();
4193        thread.attach(true);
4194        return thread;
4195    }
4196
4197    public final void installSystemProviders(List providers) {
4198        if (providers != null) {
4199            installContentProviders(mInitialApplication,
4200                                    (List<ProviderInfo>)providers);
4201        }
4202    }
4203
4204    public static final void main(String[] args) {
4205        Process.setArgV0("<pre-initialized>");
4206
4207        Looper.prepareMainLooper();
4208
4209        ActivityThread thread = new ActivityThread();
4210        thread.attach(false);
4211
4212        Looper.loop();
4213
4214        if (Process.supportsProcesses()) {
4215            throw new RuntimeException("Main thread loop unexpectedly exited");
4216        }
4217
4218        thread.detach();
4219        String name;
4220        if (thread.mInitialApplication != null) name = thread.mInitialApplication.getPackageName();
4221        else name = "<unknown>";
4222        Log.i(TAG, "Main thread of " + name + " is now exiting");
4223    }
4224}
4225