ActivityThread.java revision 9c8dd55a9d829c29a3feee9469d8c2f27a9f5516 
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.pm.PackageParser.Component;
36import android.content.res.AssetManager;
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    Resources getTopLevelResources(String appDir, PackageInfo pkgInfo) {
170        synchronized (mPackages) {
171            //Log.w(TAG, "getTopLevelResources: " + appDir);
172            WeakReference<Resources> wr = mActiveResources.get(appDir);
173            Resources r = wr != null ? wr.get() : null;
174            if (r != null && r.getAssets().isUpToDate()) {
175                //Log.w(TAG, "Returning cached resources " + r + " " + appDir);
176                return r;
177            }
178
179            //if (r != null) {
180            //    Log.w(TAG, "Throwing away out-of-date resources!!!! "
181            //            + r + " " + appDir);
182            //}
183
184            AssetManager assets = new AssetManager();
185            if (assets.addAssetPath(appDir) == 0) {
186                return null;
187            }
188            ApplicationInfo appInfo;
189            try {
190                appInfo = getPackageManager().getApplicationInfo(
191                        pkgInfo.getPackageName(),
192                        PackageManager.GET_SUPPORTS_DENSITIES);
193            } catch (RemoteException e) {
194                throw new AssertionError(e);
195            }
196            //Log.i(TAG, "Resource:" + appDir + ", display metrics=" + metrics);
197            DisplayMetrics metrics = getDisplayMetricsLocked(false);
198            r = new Resources(assets, metrics, getConfiguration(), appInfo);
199            //Log.i(TAG, "Created app resources " + r + ": " + r.getConfiguration());
200            // XXX need to remove entries when weak references go away
201            mActiveResources.put(appDir, new WeakReference<Resources>(r));
202            return r;
203        }
204    }
205
206    final Handler getHandler() {
207        return mH;
208    }
209
210    public final static class PackageInfo {
211
212        private final ActivityThread mActivityThread;
213        private final ApplicationInfo mApplicationInfo;
214        private final String mPackageName;
215        private final String mAppDir;
216        private final String mResDir;
217        private final String[] mSharedLibraries;
218        private final String mDataDir;
219        private final File mDataDirFile;
220        private final ClassLoader mBaseClassLoader;
221        private final boolean mSecurityViolation;
222        private final boolean mIncludeCode;
223        private Resources mResources;
224        private ClassLoader mClassLoader;
225        private Application mApplication;
226
227        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mReceivers
228            = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
229        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mUnregisteredReceivers
230        = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
231        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mServices
232            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
233        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mUnboundServices
234            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
235
236        int mClientCount = 0;
237
238        public PackageInfo(ActivityThread activityThread, ApplicationInfo aInfo,
239                ActivityThread mainThread, ClassLoader baseLoader,
240                boolean securityViolation, boolean includeCode) {
241            mActivityThread = activityThread;
242            mApplicationInfo = aInfo;
243            mPackageName = aInfo.packageName;
244            mAppDir = aInfo.sourceDir;
245            mResDir = aInfo.uid == Process.myUid() ? aInfo.sourceDir
246                    : aInfo.publicSourceDir;
247            mSharedLibraries = aInfo.sharedLibraryFiles;
248            mDataDir = aInfo.dataDir;
249            mDataDirFile = mDataDir != null ? new File(mDataDir) : null;
250            mBaseClassLoader = baseLoader;
251            mSecurityViolation = securityViolation;
252            mIncludeCode = includeCode;
253
254            if (mAppDir == null) {
255                if (mSystemContext == null) {
256                    mSystemContext =
257                        ApplicationContext.createSystemContext(mainThread);
258                    mSystemContext.getResources().updateConfiguration(
259                             mainThread.getConfiguration(),
260                             mainThread.getDisplayMetricsLocked(false));
261                    //Log.i(TAG, "Created system resources "
262                    //        + mSystemContext.getResources() + ": "
263                    //        + mSystemContext.getResources().getConfiguration());
264                }
265                mClassLoader = mSystemContext.getClassLoader();
266                mResources = mSystemContext.getResources();
267            }
268        }
269
270        public PackageInfo(ActivityThread activityThread, String name,
271                Context systemContext) {
272            mActivityThread = activityThread;
273            mApplicationInfo = new ApplicationInfo();
274            mApplicationInfo.packageName = name;
275            mPackageName = name;
276            mAppDir = null;
277            mResDir = null;
278            mSharedLibraries = null;
279            mDataDir = null;
280            mDataDirFile = null;
281            mBaseClassLoader = null;
282            mSecurityViolation = false;
283            mIncludeCode = true;
284            mClassLoader = systemContext.getClassLoader();
285            mResources = systemContext.getResources();
286        }
287
288        public String getPackageName() {
289            return mPackageName;
290        }
291
292        public ApplicationInfo getApplicationInfo() {
293            return mApplicationInfo;
294        }
295
296        public boolean isSecurityViolation() {
297            return mSecurityViolation;
298        }
299
300        /**
301         * Gets the array of shared libraries that are listed as
302         * used by the given package.
303         *
304         * @param packageName the name of the package (note: not its
305         * file name)
306         * @return null-ok; the array of shared libraries, each one
307         * a fully-qualified path
308         */
309        private static String[] getLibrariesFor(String packageName) {
310            ApplicationInfo ai = null;
311            try {
312                ai = getPackageManager().getApplicationInfo(packageName,
313                        PackageManager.GET_SHARED_LIBRARY_FILES);
314            } catch (RemoteException e) {
315                throw new AssertionError(e);
316            }
317
318            if (ai == null) {
319                return null;
320            }
321
322            return ai.sharedLibraryFiles;
323        }
324
325        /**
326         * Combines two arrays (of library names) such that they are
327         * concatenated in order but are devoid of duplicates. The
328         * result is a single string with the names of the libraries
329         * separated by colons, or <code>null</code> if both lists
330         * were <code>null</code> or empty.
331         *
332         * @param list1 null-ok; the first list
333         * @param list2 null-ok; the second list
334         * @return null-ok; the combination
335         */
336        private static String combineLibs(String[] list1, String[] list2) {
337            StringBuilder result = new StringBuilder(300);
338            boolean first = true;
339
340            if (list1 != null) {
341                for (String s : list1) {
342                    if (first) {
343                        first = false;
344                    } else {
345                        result.append(':');
346                    }
347                    result.append(s);
348                }
349            }
350
351            // Only need to check for duplicates if list1 was non-empty.
352            boolean dupCheck = !first;
353
354            if (list2 != null) {
355                for (String s : list2) {
356                    if (dupCheck && ArrayUtils.contains(list1, s)) {
357                        continue;
358                    }
359
360                    if (first) {
361                        first = false;
362                    } else {
363                        result.append(':');
364                    }
365                    result.append(s);
366                }
367            }
368
369            return result.toString();
370        }
371
372        public ClassLoader getClassLoader() {
373            synchronized (this) {
374                if (mClassLoader != null) {
375                    return mClassLoader;
376                }
377
378                if (mIncludeCode && !mPackageName.equals("android")) {
379                    String zip = mAppDir;
380
381                    /*
382                     * The following is a bit of a hack to inject
383                     * instrumentation into the system: If the app
384                     * being started matches one of the instrumentation names,
385                     * then we combine both the "instrumentation" and
386                     * "instrumented" app into the path, along with the
387                     * concatenation of both apps' shared library lists.
388                     */
389
390                    String instrumentationAppDir =
391                            mActivityThread.mInstrumentationAppDir;
392                    String instrumentationAppPackage =
393                            mActivityThread.mInstrumentationAppPackage;
394                    String instrumentedAppDir =
395                            mActivityThread.mInstrumentedAppDir;
396                    String[] instrumentationLibs = null;
397
398                    if (mAppDir.equals(instrumentationAppDir)
399                            || mAppDir.equals(instrumentedAppDir)) {
400                        zip = instrumentationAppDir + ":" + instrumentedAppDir;
401                        if (! instrumentedAppDir.equals(instrumentationAppDir)) {
402                            instrumentationLibs =
403                                getLibrariesFor(instrumentationAppPackage);
404                        }
405                    }
406
407                    if ((mSharedLibraries != null) ||
408                            (instrumentationLibs != null)) {
409                        zip =
410                            combineLibs(mSharedLibraries, instrumentationLibs)
411                            + ':' + zip;
412                    }
413
414                    /*
415                     * With all the combination done (if necessary, actually
416                     * create the class loader.
417                     */
418
419                    if (localLOGV) Log.v(TAG, "Class path: " + zip);
420
421                    mClassLoader =
422                        ApplicationLoaders.getDefault().getClassLoader(
423                            zip, mDataDir, mBaseClassLoader);
424                } else {
425                    if (mBaseClassLoader == null) {
426                        mClassLoader = ClassLoader.getSystemClassLoader();
427                    } else {
428                        mClassLoader = mBaseClassLoader;
429                    }
430                }
431                return mClassLoader;
432            }
433        }
434
435        public String getAppDir() {
436            return mAppDir;
437        }
438
439        public String getResDir() {
440            return mResDir;
441        }
442
443        public String getDataDir() {
444            return mDataDir;
445        }
446
447        public File getDataDirFile() {
448            return mDataDirFile;
449        }
450
451        public AssetManager getAssets(ActivityThread mainThread) {
452            return getResources(mainThread).getAssets();
453        }
454
455        public Resources getResources(ActivityThread mainThread) {
456            if (mResources == null) {
457                mResources = mainThread.getTopLevelResources(mResDir, this);
458            }
459            return mResources;
460        }
461
462        public Application makeApplication(boolean forceDefaultAppClass) {
463            if (mApplication != null) {
464                return mApplication;
465            }
466
467            Application app = null;
468
469            String appClass = mApplicationInfo.className;
470            if (forceDefaultAppClass || (appClass == null)) {
471                appClass = "android.app.Application";
472            }
473
474            try {
475                java.lang.ClassLoader cl = getClassLoader();
476                ApplicationContext appContext = new ApplicationContext();
477                appContext.init(this, null, mActivityThread);
478                app = mActivityThread.mInstrumentation.newApplication(
479                        cl, appClass, appContext);
480                appContext.setOuterContext(app);
481            } catch (Exception e) {
482                if (!mActivityThread.mInstrumentation.onException(app, e)) {
483                    throw new RuntimeException(
484                        "Unable to instantiate application " + appClass
485                        + ": " + e.toString(), e);
486                }
487            }
488            mActivityThread.mAllApplications.add(app);
489            return mApplication = app;
490        }
491
492        public void removeContextRegistrations(Context context,
493                String who, String what) {
494            HashMap<BroadcastReceiver, ReceiverDispatcher> rmap =
495                mReceivers.remove(context);
496            if (rmap != null) {
497                Iterator<ReceiverDispatcher> it = rmap.values().iterator();
498                while (it.hasNext()) {
499                    ReceiverDispatcher rd = it.next();
500                    IntentReceiverLeaked leak = new IntentReceiverLeaked(
501                            what + " " + who + " has leaked IntentReceiver "
502                            + rd.getIntentReceiver() + " that was " +
503                            "originally registered here. Are you missing a " +
504                            "call to unregisterReceiver()?");
505                    leak.setStackTrace(rd.getLocation().getStackTrace());
506                    Log.e(TAG, leak.getMessage(), leak);
507                    try {
508                        ActivityManagerNative.getDefault().unregisterReceiver(
509                                rd.getIIntentReceiver());
510                    } catch (RemoteException e) {
511                        // system crashed, nothing we can do
512                    }
513                }
514            }
515            mUnregisteredReceivers.remove(context);
516            //Log.i(TAG, "Receiver registrations: " + mReceivers);
517            HashMap<ServiceConnection, ServiceDispatcher> smap =
518                mServices.remove(context);
519            if (smap != null) {
520                Iterator<ServiceDispatcher> it = smap.values().iterator();
521                while (it.hasNext()) {
522                    ServiceDispatcher sd = it.next();
523                    ServiceConnectionLeaked leak = new ServiceConnectionLeaked(
524                            what + " " + who + " has leaked ServiceConnection "
525                            + sd.getServiceConnection() + " that was originally bound here");
526                    leak.setStackTrace(sd.getLocation().getStackTrace());
527                    Log.e(TAG, leak.getMessage(), leak);
528                    try {
529                        ActivityManagerNative.getDefault().unbindService(
530                                sd.getIServiceConnection());
531                    } catch (RemoteException e) {
532                        // system crashed, nothing we can do
533                    }
534                    sd.doForget();
535                }
536            }
537            mUnboundServices.remove(context);
538            //Log.i(TAG, "Service registrations: " + mServices);
539        }
540
541        public IIntentReceiver getReceiverDispatcher(BroadcastReceiver r,
542                Context context, Handler handler,
543                Instrumentation instrumentation, boolean registered) {
544            synchronized (mReceivers) {
545                ReceiverDispatcher rd = null;
546                HashMap<BroadcastReceiver, ReceiverDispatcher> map = null;
547                if (registered) {
548                    map = mReceivers.get(context);
549                    if (map != null) {
550                        rd = map.get(r);
551                    }
552                }
553                if (rd == null) {
554                    rd = new ReceiverDispatcher(r, context, handler,
555                            instrumentation, registered);
556                    if (registered) {
557                        if (map == null) {
558                            map = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
559                            mReceivers.put(context, map);
560                        }
561                        map.put(r, rd);
562                    }
563                } else {
564                    rd.validate(context, handler);
565                }
566                return rd.getIIntentReceiver();
567            }
568        }
569
570        public IIntentReceiver forgetReceiverDispatcher(Context context,
571                BroadcastReceiver r) {
572            synchronized (mReceivers) {
573                HashMap<BroadcastReceiver, ReceiverDispatcher> map = mReceivers.get(context);
574                ReceiverDispatcher rd = null;
575                if (map != null) {
576                    rd = map.get(r);
577                    if (rd != null) {
578                        map.remove(r);
579                        if (map.size() == 0) {
580                            mReceivers.remove(context);
581                        }
582                        if (r.getDebugUnregister()) {
583                            HashMap<BroadcastReceiver, ReceiverDispatcher> holder
584                                    = mUnregisteredReceivers.get(context);
585                            if (holder == null) {
586                                holder = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
587                                mUnregisteredReceivers.put(context, holder);
588                            }
589                            RuntimeException ex = new IllegalArgumentException(
590                                    "Originally unregistered here:");
591                            ex.fillInStackTrace();
592                            rd.setUnregisterLocation(ex);
593                            holder.put(r, rd);
594                        }
595                        return rd.getIIntentReceiver();
596                    }
597                }
598                HashMap<BroadcastReceiver, ReceiverDispatcher> holder
599                        = mUnregisteredReceivers.get(context);
600                if (holder != null) {
601                    rd = holder.get(r);
602                    if (rd != null) {
603                        RuntimeException ex = rd.getUnregisterLocation();
604                        throw new IllegalArgumentException(
605                                "Unregistering Receiver " + r
606                                + " that was already unregistered", ex);
607                    }
608                }
609                if (context == null) {
610                    throw new IllegalStateException("Unbinding Receiver " + r
611                            + " from Context that is no longer in use: " + context);
612                } else {
613                    throw new IllegalArgumentException("Receiver not registered: " + r);
614                }
615
616            }
617        }
618
619        static final class ReceiverDispatcher {
620
621            final static class InnerReceiver extends IIntentReceiver.Stub {
622                final WeakReference<ReceiverDispatcher> mDispatcher;
623                final ReceiverDispatcher mStrongRef;
624
625                InnerReceiver(ReceiverDispatcher rd, boolean strong) {
626                    mDispatcher = new WeakReference<ReceiverDispatcher>(rd);
627                    mStrongRef = strong ? rd : null;
628                }
629                public void performReceive(Intent intent, int resultCode,
630                        String data, Bundle extras, boolean ordered) {
631                    ReceiverDispatcher rd = mDispatcher.get();
632                    if (DEBUG_BROADCAST) {
633                        int seq = intent.getIntExtra("seq", -1);
634                        Log.i(TAG, "Receiving broadcast " + intent.getAction() + " seq=" + seq
635                                + " to " + rd);
636                    }
637                    if (rd != null) {
638                        rd.performReceive(intent, resultCode, data, extras, ordered);
639                    }
640                }
641            }
642
643            final IIntentReceiver.Stub mIIntentReceiver;
644            final BroadcastReceiver mReceiver;
645            final Context mContext;
646            final Handler mActivityThread;
647            final Instrumentation mInstrumentation;
648            final boolean mRegistered;
649            final IntentReceiverLeaked mLocation;
650            RuntimeException mUnregisterLocation;
651
652            final class Args implements Runnable {
653                private Intent mCurIntent;
654                private int mCurCode;
655                private String mCurData;
656                private Bundle mCurMap;
657                private boolean mCurOrdered;
658
659                public void run() {
660                    BroadcastReceiver receiver = mReceiver;
661                    if (DEBUG_BROADCAST) {
662                        int seq = mCurIntent.getIntExtra("seq", -1);
663                        Log.i(TAG, "Dispathing broadcast " + mCurIntent.getAction() + " seq=" + seq
664                                + " to " + mReceiver);
665                    }
666                    if (receiver == null) {
667                        return;
668                    }
669
670                    IActivityManager mgr = ActivityManagerNative.getDefault();
671                    Intent intent = mCurIntent;
672                    mCurIntent = null;
673                    try {
674                        ClassLoader cl =  mReceiver.getClass().getClassLoader();
675                        intent.setExtrasClassLoader(cl);
676                        if (mCurMap != null) {
677                            mCurMap.setClassLoader(cl);
678                        }
679                        receiver.setOrderedHint(true);
680                        receiver.setResult(mCurCode, mCurData, mCurMap);
681                        receiver.clearAbortBroadcast();
682                        receiver.setOrderedHint(mCurOrdered);
683                        receiver.onReceive(mContext, intent);
684                    } catch (Exception e) {
685                        if (mRegistered && mCurOrdered) {
686                            try {
687                                mgr.finishReceiver(mIIntentReceiver,
688                                        mCurCode, mCurData, mCurMap, false);
689                            } catch (RemoteException ex) {
690                            }
691                        }
692                        if (mInstrumentation == null ||
693                                !mInstrumentation.onException(mReceiver, e)) {
694                            throw new RuntimeException(
695                                "Error receiving broadcast " + intent
696                                + " in " + mReceiver, e);
697                        }
698                    }
699                    if (mRegistered && mCurOrdered) {
700                        try {
701                            mgr.finishReceiver(mIIntentReceiver,
702                                    receiver.getResultCode(),
703                                    receiver.getResultData(),
704                                    receiver.getResultExtras(false),
705                                    receiver.getAbortBroadcast());
706                        } catch (RemoteException ex) {
707                        }
708                    }
709                }
710            }
711
712            ReceiverDispatcher(BroadcastReceiver receiver, Context context,
713                    Handler activityThread, Instrumentation instrumentation,
714                    boolean registered) {
715                if (activityThread == null) {
716                    throw new NullPointerException("Handler must not be null");
717                }
718
719                mIIntentReceiver = new InnerReceiver(this, !registered);
720                mReceiver = receiver;
721                mContext = context;
722                mActivityThread = activityThread;
723                mInstrumentation = instrumentation;
724                mRegistered = registered;
725                mLocation = new IntentReceiverLeaked(null);
726                mLocation.fillInStackTrace();
727            }
728
729            void validate(Context context, Handler activityThread) {
730                if (mContext != context) {
731                    throw new IllegalStateException(
732                        "Receiver " + mReceiver +
733                        " registered with differing Context (was " +
734                        mContext + " now " + context + ")");
735                }
736                if (mActivityThread != activityThread) {
737                    throw new IllegalStateException(
738                        "Receiver " + mReceiver +
739                        " registered with differing handler (was " +
740                        mActivityThread + " now " + activityThread + ")");
741                }
742            }
743
744            IntentReceiverLeaked getLocation() {
745                return mLocation;
746            }
747
748            BroadcastReceiver getIntentReceiver() {
749                return mReceiver;
750            }
751
752            IIntentReceiver getIIntentReceiver() {
753                return mIIntentReceiver;
754            }
755
756            void setUnregisterLocation(RuntimeException ex) {
757                mUnregisterLocation = ex;
758            }
759
760            RuntimeException getUnregisterLocation() {
761                return mUnregisterLocation;
762            }
763
764            public void performReceive(Intent intent, int resultCode,
765                    String data, Bundle extras, boolean ordered) {
766                if (DEBUG_BROADCAST) {
767                    int seq = intent.getIntExtra("seq", -1);
768                    Log.i(TAG, "Enqueueing broadcast " + intent.getAction() + " seq=" + seq
769                            + " to " + mReceiver);
770                }
771                Args args = new Args();
772                args.mCurIntent = intent;
773                args.mCurCode = resultCode;
774                args.mCurData = data;
775                args.mCurMap = extras;
776                args.mCurOrdered = ordered;
777                if (!mActivityThread.post(args)) {
778                    if (mRegistered) {
779                        IActivityManager mgr = ActivityManagerNative.getDefault();
780                        try {
781                            mgr.finishReceiver(mIIntentReceiver, args.mCurCode,
782                                    args.mCurData, args.mCurMap, false);
783                        } catch (RemoteException ex) {
784                        }
785                    }
786                }
787            }
788
789        }
790
791        public final IServiceConnection getServiceDispatcher(ServiceConnection c,
792                Context context, Handler handler, int flags) {
793            synchronized (mServices) {
794                ServiceDispatcher sd = null;
795                HashMap<ServiceConnection, ServiceDispatcher> map = mServices.get(context);
796                if (map != null) {
797                    sd = map.get(c);
798                }
799                if (sd == null) {
800                    sd = new ServiceDispatcher(c, context, handler, flags);
801                    if (map == null) {
802                        map = new HashMap<ServiceConnection, ServiceDispatcher>();
803                        mServices.put(context, map);
804                    }
805                    map.put(c, sd);
806                } else {
807                    sd.validate(context, handler);
808                }
809                return sd.getIServiceConnection();
810            }
811        }
812
813        public final IServiceConnection forgetServiceDispatcher(Context context,
814                ServiceConnection c) {
815            synchronized (mServices) {
816                HashMap<ServiceConnection, ServiceDispatcher> map
817                        = mServices.get(context);
818                ServiceDispatcher sd = null;
819                if (map != null) {
820                    sd = map.get(c);
821                    if (sd != null) {
822                        map.remove(c);
823                        sd.doForget();
824                        if (map.size() == 0) {
825                            mServices.remove(context);
826                        }
827                        if ((sd.getFlags()&Context.BIND_DEBUG_UNBIND) != 0) {
828                            HashMap<ServiceConnection, ServiceDispatcher> holder
829                                    = mUnboundServices.get(context);
830                            if (holder == null) {
831                                holder = new HashMap<ServiceConnection, ServiceDispatcher>();
832                                mUnboundServices.put(context, holder);
833                            }
834                            RuntimeException ex = new IllegalArgumentException(
835                                    "Originally unbound here:");
836                            ex.fillInStackTrace();
837                            sd.setUnbindLocation(ex);
838                            holder.put(c, sd);
839                        }
840                        return sd.getIServiceConnection();
841                    }
842                }
843                HashMap<ServiceConnection, ServiceDispatcher> holder
844                        = mUnboundServices.get(context);
845                if (holder != null) {
846                    sd = holder.get(c);
847                    if (sd != null) {
848                        RuntimeException ex = sd.getUnbindLocation();
849                        throw new IllegalArgumentException(
850                                "Unbinding Service " + c
851                                + " that was already unbound", ex);
852                    }
853                }
854                if (context == null) {
855                    throw new IllegalStateException("Unbinding Service " + c
856                            + " from Context that is no longer in use: " + context);
857                } else {
858                    throw new IllegalArgumentException("Service not registered: " + c);
859                }
860            }
861        }
862
863        static final class ServiceDispatcher {
864            private final InnerConnection mIServiceConnection;
865            private final ServiceConnection mConnection;
866            private final Context mContext;
867            private final Handler mActivityThread;
868            private final ServiceConnectionLeaked mLocation;
869            private final int mFlags;
870
871            private RuntimeException mUnbindLocation;
872
873            private boolean mDied;
874
875            private static class ConnectionInfo {
876                IBinder binder;
877                IBinder.DeathRecipient deathMonitor;
878            }
879
880            private static class InnerConnection extends IServiceConnection.Stub {
881                final WeakReference<ServiceDispatcher> mDispatcher;
882
883                InnerConnection(ServiceDispatcher sd) {
884                    mDispatcher = new WeakReference<ServiceDispatcher>(sd);
885                }
886
887                public void connected(ComponentName name, IBinder service) throws RemoteException {
888                    ServiceDispatcher sd = mDispatcher.get();
889                    if (sd != null) {
890                        sd.connected(name, service);
891                    }
892                }
893            }
894
895            private final HashMap<ComponentName, ConnectionInfo> mActiveConnections
896                = new HashMap<ComponentName, ConnectionInfo>();
897
898            ServiceDispatcher(ServiceConnection conn,
899                    Context context, Handler activityThread, int flags) {
900                mIServiceConnection = new InnerConnection(this);
901                mConnection = conn;
902                mContext = context;
903                mActivityThread = activityThread;
904                mLocation = new ServiceConnectionLeaked(null);
905                mLocation.fillInStackTrace();
906                mFlags = flags;
907            }
908
909            void validate(Context context, Handler activityThread) {
910                if (mContext != context) {
911                    throw new RuntimeException(
912                        "ServiceConnection " + mConnection +
913                        " registered with differing Context (was " +
914                        mContext + " now " + context + ")");
915                }
916                if (mActivityThread != activityThread) {
917                    throw new RuntimeException(
918                        "ServiceConnection " + mConnection +
919                        " registered with differing handler (was " +
920                        mActivityThread + " now " + activityThread + ")");
921                }
922            }
923
924            void doForget() {
925                synchronized(this) {
926                    Iterator<ConnectionInfo> it = mActiveConnections.values().iterator();
927                    while (it.hasNext()) {
928                        ConnectionInfo ci = it.next();
929                        ci.binder.unlinkToDeath(ci.deathMonitor, 0);
930                    }
931                    mActiveConnections.clear();
932                }
933            }
934
935            ServiceConnectionLeaked getLocation() {
936                return mLocation;
937            }
938
939            ServiceConnection getServiceConnection() {
940                return mConnection;
941            }
942
943            IServiceConnection getIServiceConnection() {
944                return mIServiceConnection;
945            }
946
947            int getFlags() {
948                return mFlags;
949            }
950
951            void setUnbindLocation(RuntimeException ex) {
952                mUnbindLocation = ex;
953            }
954
955            RuntimeException getUnbindLocation() {
956                return mUnbindLocation;
957            }
958
959            public void connected(ComponentName name, IBinder service) {
960                if (mActivityThread != null) {
961                    mActivityThread.post(new RunConnection(name, service, 0));
962                } else {
963                    doConnected(name, service);
964                }
965            }
966
967            public void death(ComponentName name, IBinder service) {
968                ConnectionInfo old;
969
970                synchronized (this) {
971                    mDied = true;
972                    old = mActiveConnections.remove(name);
973                    if (old == null || old.binder != service) {
974                        // Death for someone different than who we last
975                        // reported...  just ignore it.
976                        return;
977                    }
978                    old.binder.unlinkToDeath(old.deathMonitor, 0);
979                }
980
981                if (mActivityThread != null) {
982                    mActivityThread.post(new RunConnection(name, service, 1));
983                } else {
984                    doDeath(name, service);
985                }
986            }
987
988            public void doConnected(ComponentName name, IBinder service) {
989                ConnectionInfo old;
990                ConnectionInfo info;
991
992                synchronized (this) {
993                    old = mActiveConnections.get(name);
994                    if (old != null && old.binder == service) {
995                        // Huh, already have this one.  Oh well!
996                        return;
997                    }
998
999                    if (service != null) {
1000                        // A new service is being connected... set it all up.
1001                        mDied = false;
1002                        info = new ConnectionInfo();
1003                        info.binder = service;
1004                        info.deathMonitor = new DeathMonitor(name, service);
1005                        try {
1006                            service.linkToDeath(info.deathMonitor, 0);
1007                            mActiveConnections.put(name, info);
1008                        } catch (RemoteException e) {
1009                            // This service was dead before we got it...  just
1010                            // don't do anything with it.
1011                            mActiveConnections.remove(name);
1012                            return;
1013                        }
1014
1015                    } else {
1016                        // The named service is being disconnected... clean up.
1017                        mActiveConnections.remove(name);
1018                    }
1019
1020                    if (old != null) {
1021                        old.binder.unlinkToDeath(old.deathMonitor, 0);
1022                    }
1023                }
1024
1025                // If there was an old service, it is not disconnected.
1026                if (old != null) {
1027                    mConnection.onServiceDisconnected(name);
1028                }
1029                // If there is a new service, it is now connected.
1030                if (service != null) {
1031                    mConnection.onServiceConnected(name, service);
1032                }
1033            }
1034
1035            public void doDeath(ComponentName name, IBinder service) {
1036                mConnection.onServiceDisconnected(name);
1037            }
1038
1039            private final class RunConnection implements Runnable {
1040                RunConnection(ComponentName name, IBinder service, int command) {
1041                    mName = name;
1042                    mService = service;
1043                    mCommand = command;
1044                }
1045
1046                public void run() {
1047                    if (mCommand == 0) {
1048                        doConnected(mName, mService);
1049                    } else if (mCommand == 1) {
1050                        doDeath(mName, mService);
1051                    }
1052                }
1053
1054                final ComponentName mName;
1055                final IBinder mService;
1056                final int mCommand;
1057            }
1058
1059            private final class DeathMonitor implements IBinder.DeathRecipient
1060            {
1061                DeathMonitor(ComponentName name, IBinder service) {
1062                    mName = name;
1063                    mService = service;
1064                }
1065
1066                public void binderDied() {
1067                    death(mName, mService);
1068                }
1069
1070                final ComponentName mName;
1071                final IBinder mService;
1072            }
1073        }
1074    }
1075
1076    private static ApplicationContext mSystemContext = null;
1077
1078    private static final class ActivityRecord {
1079        IBinder token;
1080        Intent intent;
1081        Bundle state;
1082        Activity activity;
1083        Window window;
1084        Activity parent;
1085        String embeddedID;
1086        Object lastNonConfigurationInstance;
1087        HashMap<String,Object> lastNonConfigurationChildInstances;
1088        boolean paused;
1089        boolean stopped;
1090        boolean hideForNow;
1091        Configuration newConfig;
1092        ActivityRecord nextIdle;
1093
1094        ActivityInfo activityInfo;
1095        PackageInfo packageInfo;
1096
1097        List<ResultInfo> pendingResults;
1098        List<Intent> pendingIntents;
1099
1100        boolean startsNotResumed;
1101        boolean isForward;
1102
1103        ActivityRecord() {
1104            parent = null;
1105            embeddedID = null;
1106            paused = false;
1107            stopped = false;
1108            hideForNow = false;
1109            nextIdle = null;
1110        }
1111
1112        public String toString() {
1113            ComponentName componentName = intent.getComponent();
1114            return "ActivityRecord{"
1115                + Integer.toHexString(System.identityHashCode(this))
1116                + " token=" + token + " " + (componentName == null
1117                        ? "no component name" : componentName.toShortString())
1118                + "}";
1119        }
1120    }
1121
1122    private final class ProviderRecord implements IBinder.DeathRecipient {
1123        final String mName;
1124        final IContentProvider mProvider;
1125        final ContentProvider mLocalProvider;
1126
1127        ProviderRecord(String name, IContentProvider provider,
1128                ContentProvider localProvider) {
1129            mName = name;
1130            mProvider = provider;
1131            mLocalProvider = localProvider;
1132        }
1133
1134        public void binderDied() {
1135            removeDeadProvider(mName, mProvider);
1136        }
1137    }
1138
1139    private static final class NewIntentData {
1140        List<Intent> intents;
1141        IBinder token;
1142        public String toString() {
1143            return "NewIntentData{intents=" + intents + " token=" + token + "}";
1144        }
1145    }
1146
1147    private static final class ReceiverData {
1148        Intent intent;
1149        ActivityInfo info;
1150        int resultCode;
1151        String resultData;
1152        Bundle resultExtras;
1153        boolean sync;
1154        boolean resultAbort;
1155        public String toString() {
1156            return "ReceiverData{intent=" + intent + " packageName=" +
1157            info.packageName + " resultCode=" + resultCode
1158            + " resultData=" + resultData + " resultExtras=" + resultExtras + "}";
1159        }
1160    }
1161
1162    private static final class CreateBackupAgentData {
1163        ApplicationInfo appInfo;
1164        int backupMode;
1165        public String toString() {
1166            return "CreateBackupAgentData{appInfo=" + appInfo
1167                    + " backupAgent=" + appInfo.backupAgentName
1168                    + " mode=" + backupMode + "}";
1169        }
1170    }
1171
1172    private static final class CreateServiceData {
1173        IBinder token;
1174        ServiceInfo info;
1175        Intent intent;
1176        public String toString() {
1177            return "CreateServiceData{token=" + token + " className="
1178            + info.name + " packageName=" + info.packageName
1179            + " intent=" + intent + "}";
1180        }
1181    }
1182
1183    private static final class BindServiceData {
1184        IBinder token;
1185        Intent intent;
1186        boolean rebind;
1187        public String toString() {
1188            return "BindServiceData{token=" + token + " intent=" + intent + "}";
1189        }
1190    }
1191
1192    private static final class ServiceArgsData {
1193        IBinder token;
1194        int startId;
1195        Intent args;
1196        public String toString() {
1197            return "ServiceArgsData{token=" + token + " startId=" + startId
1198            + " args=" + args + "}";
1199        }
1200    }
1201
1202    private static final class AppBindData {
1203        PackageInfo info;
1204        String processName;
1205        ApplicationInfo appInfo;
1206        List<ProviderInfo> providers;
1207        ComponentName instrumentationName;
1208        String profileFile;
1209        Bundle instrumentationArgs;
1210        IInstrumentationWatcher instrumentationWatcher;
1211        int debugMode;
1212        boolean restrictedBackupMode;
1213        Configuration config;
1214        boolean handlingProfiling;
1215        public String toString() {
1216            return "AppBindData{appInfo=" + appInfo + "}";
1217        }
1218    }
1219
1220    private static final class DumpServiceInfo {
1221        FileDescriptor fd;
1222        IBinder service;
1223        String[] args;
1224        boolean dumped;
1225    }
1226
1227    private static final class ResultData {
1228        IBinder token;
1229        List<ResultInfo> results;
1230        public String toString() {
1231            return "ResultData{token=" + token + " results" + results + "}";
1232        }
1233    }
1234
1235    private static final class ContextCleanupInfo {
1236        ApplicationContext context;
1237        String what;
1238        String who;
1239    }
1240
1241    private static final class ProfilerControlData {
1242        String path;
1243        ParcelFileDescriptor fd;
1244    }
1245
1246    private final class ApplicationThread extends ApplicationThreadNative {
1247        private static final String HEAP_COLUMN = "%17s %8s %8s %8s %8s";
1248        private static final String ONE_COUNT_COLUMN = "%17s %8d";
1249        private static final String TWO_COUNT_COLUMNS = "%17s %8d %17s %8d";
1250
1251        // Formatting for checkin service - update version if row format changes
1252        private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1;
1253
1254        public final void schedulePauseActivity(IBinder token, boolean finished,
1255                boolean userLeaving, int configChanges) {
1256            queueOrSendMessage(
1257                    finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY,
1258                    token,
1259                    (userLeaving ? 1 : 0),
1260                    configChanges);
1261        }
1262
1263        public final void scheduleStopActivity(IBinder token, boolean showWindow,
1264                int configChanges) {
1265           queueOrSendMessage(
1266                showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE,
1267                token, 0, configChanges);
1268        }
1269
1270        public final void scheduleWindowVisibility(IBinder token, boolean showWindow) {
1271            queueOrSendMessage(
1272                showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW,
1273                token);
1274        }
1275
1276        public final void scheduleResumeActivity(IBinder token, boolean isForward) {
1277            queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0);
1278        }
1279
1280        public final void scheduleSendResult(IBinder token, List<ResultInfo> results) {
1281            ResultData res = new ResultData();
1282            res.token = token;
1283            res.results = results;
1284            queueOrSendMessage(H.SEND_RESULT, res);
1285        }
1286
1287        // we use token to identify this activity without having to send the
1288        // activity itself back to the activity manager. (matters more with ipc)
1289        public final void scheduleLaunchActivity(Intent intent, IBinder token,
1290                ActivityInfo info, Bundle state, List<ResultInfo> pendingResults,
1291                List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) {
1292            ActivityRecord r = new ActivityRecord();
1293
1294            r.token = token;
1295            r.intent = intent;
1296            r.activityInfo = info;
1297            r.state = state;
1298
1299            r.pendingResults = pendingResults;
1300            r.pendingIntents = pendingNewIntents;
1301
1302            r.startsNotResumed = notResumed;
1303            r.isForward = isForward;
1304
1305            queueOrSendMessage(H.LAUNCH_ACTIVITY, r);
1306        }
1307
1308        public final void scheduleRelaunchActivity(IBinder token,
1309                List<ResultInfo> pendingResults, List<Intent> pendingNewIntents,
1310                int configChanges, boolean notResumed) {
1311            ActivityRecord r = new ActivityRecord();
1312
1313            r.token = token;
1314            r.pendingResults = pendingResults;
1315            r.pendingIntents = pendingNewIntents;
1316            r.startsNotResumed = notResumed;
1317
1318            synchronized (mRelaunchingActivities) {
1319                mRelaunchingActivities.add(r);
1320            }
1321
1322            queueOrSendMessage(H.RELAUNCH_ACTIVITY, r, configChanges);
1323        }
1324
1325        public final void scheduleNewIntent(List<Intent> intents, IBinder token) {
1326            NewIntentData data = new NewIntentData();
1327            data.intents = intents;
1328            data.token = token;
1329
1330            queueOrSendMessage(H.NEW_INTENT, data);
1331        }
1332
1333        public final void scheduleDestroyActivity(IBinder token, boolean finishing,
1334                int configChanges) {
1335            queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0,
1336                    configChanges);
1337        }
1338
1339        public final void scheduleReceiver(Intent intent, ActivityInfo info,
1340                int resultCode, String data, Bundle extras, boolean sync) {
1341            ReceiverData r = new ReceiverData();
1342
1343            r.intent = intent;
1344            r.info = info;
1345            r.resultCode = resultCode;
1346            r.resultData = data;
1347            r.resultExtras = extras;
1348            r.sync = sync;
1349
1350            queueOrSendMessage(H.RECEIVER, r);
1351        }
1352
1353        public final void scheduleCreateBackupAgent(ApplicationInfo app, int backupMode) {
1354            CreateBackupAgentData d = new CreateBackupAgentData();
1355            d.appInfo = app;
1356            d.backupMode = backupMode;
1357
1358            queueOrSendMessage(H.CREATE_BACKUP_AGENT, d);
1359        }
1360
1361        public final void scheduleDestroyBackupAgent(ApplicationInfo app) {
1362            CreateBackupAgentData d = new CreateBackupAgentData();
1363            d.appInfo = app;
1364
1365            queueOrSendMessage(H.DESTROY_BACKUP_AGENT, d);
1366        }
1367
1368        public final void scheduleCreateService(IBinder token,
1369                ServiceInfo info) {
1370            CreateServiceData s = new CreateServiceData();
1371            s.token = token;
1372            s.info = info;
1373
1374            queueOrSendMessage(H.CREATE_SERVICE, s);
1375        }
1376
1377        public final void scheduleBindService(IBinder token, Intent intent,
1378                boolean rebind) {
1379            BindServiceData s = new BindServiceData();
1380            s.token = token;
1381            s.intent = intent;
1382            s.rebind = rebind;
1383
1384            queueOrSendMessage(H.BIND_SERVICE, s);
1385        }
1386
1387        public final void scheduleUnbindService(IBinder token, Intent intent) {
1388            BindServiceData s = new BindServiceData();
1389            s.token = token;
1390            s.intent = intent;
1391
1392            queueOrSendMessage(H.UNBIND_SERVICE, s);
1393        }
1394
1395        public final void scheduleServiceArgs(IBinder token, int startId,
1396            Intent args) {
1397            ServiceArgsData s = new ServiceArgsData();
1398            s.token = token;
1399            s.startId = startId;
1400            s.args = args;
1401
1402            queueOrSendMessage(H.SERVICE_ARGS, s);
1403        }
1404
1405        public final void scheduleStopService(IBinder token) {
1406            queueOrSendMessage(H.STOP_SERVICE, token);
1407        }
1408
1409        public final void bindApplication(String processName,
1410                ApplicationInfo appInfo, List<ProviderInfo> providers,
1411                ComponentName instrumentationName, String profileFile,
1412                Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher,
1413                int debugMode, boolean isRestrictedBackupMode, Configuration config,
1414                Map<String, IBinder> services) {
1415            Process.setArgV0(processName);
1416
1417            if (services != null) {
1418                // Setup the service cache in the ServiceManager
1419                ServiceManager.initServiceCache(services);
1420            }
1421
1422            AppBindData data = new AppBindData();
1423            data.processName = processName;
1424            data.appInfo = appInfo;
1425            data.providers = providers;
1426            data.instrumentationName = instrumentationName;
1427            data.profileFile = profileFile;
1428            data.instrumentationArgs = instrumentationArgs;
1429            data.instrumentationWatcher = instrumentationWatcher;
1430            data.debugMode = debugMode;
1431            data.restrictedBackupMode = isRestrictedBackupMode;
1432            data.config = config;
1433            queueOrSendMessage(H.BIND_APPLICATION, data);
1434        }
1435
1436        public final void scheduleExit() {
1437            queueOrSendMessage(H.EXIT_APPLICATION, null);
1438        }
1439
1440        public void requestThumbnail(IBinder token) {
1441            queueOrSendMessage(H.REQUEST_THUMBNAIL, token);
1442        }
1443
1444        public void scheduleConfigurationChanged(Configuration config) {
1445            synchronized (mRelaunchingActivities) {
1446                mPendingConfiguration = config;
1447            }
1448            queueOrSendMessage(H.CONFIGURATION_CHANGED, config);
1449        }
1450
1451        public void updateTimeZone() {
1452            TimeZone.setDefault(null);
1453        }
1454
1455        public void processInBackground() {
1456            mH.removeMessages(H.GC_WHEN_IDLE);
1457            mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));
1458        }
1459
1460        public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) {
1461            DumpServiceInfo data = new DumpServiceInfo();
1462            data.fd = fd;
1463            data.service = servicetoken;
1464            data.args = args;
1465            data.dumped = false;
1466            queueOrSendMessage(H.DUMP_SERVICE, data);
1467            synchronized (data) {
1468                while (!data.dumped) {
1469                    try {
1470                        data.wait();
1471                    } catch (InterruptedException e) {
1472                        // no need to do anything here, we will keep waiting until
1473                        // dumped is set
1474                    }
1475                }
1476            }
1477        }
1478
1479        // This function exists to make sure all receiver dispatching is
1480        // correctly ordered, since these are one-way calls and the binder driver
1481        // applies transaction ordering per object for such calls.
1482        public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent,
1483                int resultCode, String dataStr, Bundle extras, boolean ordered)
1484                throws RemoteException {
1485            receiver.performReceive(intent, resultCode, dataStr, extras, ordered);
1486        }
1487
1488        public void scheduleLowMemory() {
1489            queueOrSendMessage(H.LOW_MEMORY, null);
1490        }
1491
1492        public void scheduleActivityConfigurationChanged(IBinder token) {
1493            queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token);
1494        }
1495
1496        public void requestPss() {
1497            try {
1498                ActivityManagerNative.getDefault().reportPss(this,
1499                        (int)Process.getPss(Process.myPid()));
1500            } catch (RemoteException e) {
1501            }
1502        }
1503
1504        public void profilerControl(boolean start, String path, ParcelFileDescriptor fd) {
1505            ProfilerControlData pcd = new ProfilerControlData();
1506            pcd.path = path;
1507            pcd.fd = fd;
1508            queueOrSendMessage(H.PROFILER_CONTROL, pcd, start ? 1 : 0);
1509        }
1510
1511        public void setSchedulingGroup(int group) {
1512            // Note: do this immediately, since going into the foreground
1513            // should happen regardless of what pending work we have to do
1514            // and the activity manager will wait for us to report back that
1515            // we are done before sending us to the background.
1516            try {
1517                Process.setProcessGroup(Process.myPid(), group);
1518            } catch (Exception e) {
1519                Log.w(TAG, "Failed setting process group to " + group, e);
1520            }
1521        }
1522
1523        @Override
1524        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
1525            long nativeMax = Debug.getNativeHeapSize() / 1024;
1526            long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
1527            long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
1528
1529            Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
1530            Debug.getMemoryInfo(memInfo);
1531
1532            final int nativeShared = memInfo.nativeSharedDirty;
1533            final int dalvikShared = memInfo.dalvikSharedDirty;
1534            final int otherShared = memInfo.otherSharedDirty;
1535
1536            final int nativePrivate = memInfo.nativePrivateDirty;
1537            final int dalvikPrivate = memInfo.dalvikPrivateDirty;
1538            final int otherPrivate = memInfo.otherPrivateDirty;
1539
1540            Runtime runtime = Runtime.getRuntime();
1541
1542            long dalvikMax = runtime.totalMemory() / 1024;
1543            long dalvikFree = runtime.freeMemory() / 1024;
1544            long dalvikAllocated = dalvikMax - dalvikFree;
1545            long viewInstanceCount = ViewDebug.getViewInstanceCount();
1546            long viewRootInstanceCount = ViewDebug.getViewRootInstanceCount();
1547            long appContextInstanceCount = ApplicationContext.getInstanceCount();
1548            long activityInstanceCount = Activity.getInstanceCount();
1549            int globalAssetCount = AssetManager.getGlobalAssetCount();
1550            int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
1551            int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
1552            int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
1553            int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
1554            int openSslSocketCount = OpenSSLSocketImpl.getInstanceCount();
1555            long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024;
1556            SQLiteDebug.PagerStats stats = new SQLiteDebug.PagerStats();
1557            SQLiteDebug.getPagerStats(stats);
1558
1559            // Check to see if we were called by checkin server. If so, print terse format.
1560            boolean doCheckinFormat = false;
1561            if (args != null) {
1562                for (String arg : args) {
1563                    if ("-c".equals(arg)) doCheckinFormat = true;
1564                }
1565            }
1566
1567            // For checkin, we print one long comma-separated list of values
1568            if (doCheckinFormat) {
1569                // NOTE: if you change anything significant below, also consider changing
1570                // ACTIVITY_THREAD_CHECKIN_VERSION.
1571                String processName = (mBoundApplication != null)
1572                        ? mBoundApplication.processName : "unknown";
1573
1574                // Header
1575                pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(',');
1576                pw.print(Process.myPid()); pw.print(',');
1577                pw.print(processName); pw.print(',');
1578
1579                // Heap info - max
1580                pw.print(nativeMax); pw.print(',');
1581                pw.print(dalvikMax); pw.print(',');
1582                pw.print("N/A,");
1583                pw.print(nativeMax + dalvikMax); pw.print(',');
1584
1585                // Heap info - allocated
1586                pw.print(nativeAllocated); pw.print(',');
1587                pw.print(dalvikAllocated); pw.print(',');
1588                pw.print("N/A,");
1589                pw.print(nativeAllocated + dalvikAllocated); pw.print(',');
1590
1591                // Heap info - free
1592                pw.print(nativeFree); pw.print(',');
1593                pw.print(dalvikFree); pw.print(',');
1594                pw.print("N/A,");
1595                pw.print(nativeFree + dalvikFree); pw.print(',');
1596
1597                // Heap info - proportional set size
1598                pw.print(memInfo.nativePss); pw.print(',');
1599                pw.print(memInfo.dalvikPss); pw.print(',');
1600                pw.print(memInfo.otherPss); pw.print(',');
1601                pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(',');
1602
1603                // Heap info - shared
1604                pw.print(nativeShared); pw.print(',');
1605                pw.print(dalvikShared); pw.print(',');
1606                pw.print(otherShared); pw.print(',');
1607                pw.print(nativeShared + dalvikShared + otherShared); pw.print(',');
1608
1609                // Heap info - private
1610                pw.print(nativePrivate); pw.print(',');
1611                pw.print(dalvikPrivate); pw.print(',');
1612                pw.print(otherPrivate); pw.print(',');
1613                pw.print(nativePrivate + dalvikPrivate + otherPrivate); pw.print(',');
1614
1615                // Object counts
1616                pw.print(viewInstanceCount); pw.print(',');
1617                pw.print(viewRootInstanceCount); pw.print(',');
1618                pw.print(appContextInstanceCount); pw.print(',');
1619                pw.print(activityInstanceCount); pw.print(',');
1620
1621                pw.print(globalAssetCount); pw.print(',');
1622                pw.print(globalAssetManagerCount); pw.print(',');
1623                pw.print(binderLocalObjectCount); pw.print(',');
1624                pw.print(binderProxyObjectCount); pw.print(',');
1625
1626                pw.print(binderDeathObjectCount); pw.print(',');
1627                pw.print(openSslSocketCount); pw.print(',');
1628
1629                // SQL
1630                pw.print(sqliteAllocated); pw.print(',');
1631                pw.print(stats.databaseBytes / 1024); pw.print(',');
1632                pw.print(stats.numPagers); pw.print(',');
1633                pw.print((stats.totalBytes - stats.referencedBytes) / 1024); pw.print(',');
1634                pw.print(stats.referencedBytes / 1024); pw.print('\n');
1635
1636                return;
1637            }
1638
1639            // otherwise, show human-readable format
1640            printRow(pw, HEAP_COLUMN, "", "native", "dalvik", "other", "total");
1641            printRow(pw, HEAP_COLUMN, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
1642            printRow(pw, HEAP_COLUMN, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
1643                    nativeAllocated + dalvikAllocated);
1644            printRow(pw, HEAP_COLUMN, "free:", nativeFree, dalvikFree, "N/A",
1645                    nativeFree + dalvikFree);
1646
1647            printRow(pw, HEAP_COLUMN, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
1648                    memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);
1649
1650            printRow(pw, HEAP_COLUMN, "(shared dirty):", nativeShared, dalvikShared, otherShared,
1651                    nativeShared + dalvikShared + otherShared);
1652            printRow(pw, HEAP_COLUMN, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
1653                    nativePrivate + dalvikPrivate + otherPrivate);
1654
1655            pw.println(" ");
1656            pw.println(" Objects");
1657            printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRoots:",
1658                    viewRootInstanceCount);
1659
1660            printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount,
1661                    "Activities:", activityInstanceCount);
1662
1663            printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount,
1664                    "AssetManagers:", globalAssetManagerCount);
1665
1666            printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount,
1667                    "Proxy Binders:", binderProxyObjectCount);
1668            printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount);
1669
1670            printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount);
1671
1672            // SQLite mem info
1673            pw.println(" ");
1674            pw.println(" SQL");
1675            printRow(pw, TWO_COUNT_COLUMNS, "heap:", sqliteAllocated, "dbFiles:",
1676                    stats.databaseBytes / 1024);
1677            printRow(pw, TWO_COUNT_COLUMNS, "numPagers:", stats.numPagers, "inactivePageKB:",
1678                    (stats.totalBytes - stats.referencedBytes) / 1024);
1679            printRow(pw, ONE_COUNT_COLUMN, "activePageKB:", stats.referencedBytes / 1024);
1680        }
1681
1682        private void printRow(PrintWriter pw, String format, Object...objs) {
1683            pw.println(String.format(format, objs));
1684        }
1685    }
1686
1687    private final class H extends Handler {
1688        public static final int LAUNCH_ACTIVITY         = 100;
1689        public static final int PAUSE_ACTIVITY          = 101;
1690        public static final int PAUSE_ACTIVITY_FINISHING= 102;
1691        public static final int STOP_ACTIVITY_SHOW      = 103;
1692        public static final int STOP_ACTIVITY_HIDE      = 104;
1693        public static final int SHOW_WINDOW             = 105;
1694        public static final int HIDE_WINDOW             = 106;
1695        public static final int RESUME_ACTIVITY         = 107;
1696        public static final int SEND_RESULT             = 108;
1697        public static final int DESTROY_ACTIVITY         = 109;
1698        public static final int BIND_APPLICATION        = 110;
1699        public static final int EXIT_APPLICATION        = 111;
1700        public static final int NEW_INTENT              = 112;
1701        public static final int RECEIVER                = 113;
1702        public static final int CREATE_SERVICE          = 114;
1703        public static final int SERVICE_ARGS            = 115;
1704        public static final int STOP_SERVICE            = 116;
1705        public static final int REQUEST_THUMBNAIL       = 117;
1706        public static final int CONFIGURATION_CHANGED   = 118;
1707        public static final int CLEAN_UP_CONTEXT        = 119;
1708        public static final int GC_WHEN_IDLE            = 120;
1709        public static final int BIND_SERVICE            = 121;
1710        public static final int UNBIND_SERVICE          = 122;
1711        public static final int DUMP_SERVICE            = 123;
1712        public static final int LOW_MEMORY              = 124;
1713        public static final int ACTIVITY_CONFIGURATION_CHANGED = 125;
1714        public static final int RELAUNCH_ACTIVITY       = 126;
1715        public static final int PROFILER_CONTROL        = 127;
1716        public static final int CREATE_BACKUP_AGENT     = 128;
1717        public static final int DESTROY_BACKUP_AGENT     = 129;
1718        String codeToString(int code) {
1719            if (localLOGV) {
1720                switch (code) {
1721                    case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY";
1722                    case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY";
1723                    case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING";
1724                    case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW";
1725                    case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE";
1726                    case SHOW_WINDOW: return "SHOW_WINDOW";
1727                    case HIDE_WINDOW: return "HIDE_WINDOW";
1728                    case RESUME_ACTIVITY: return "RESUME_ACTIVITY";
1729                    case SEND_RESULT: return "SEND_RESULT";
1730                    case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY";
1731                    case BIND_APPLICATION: return "BIND_APPLICATION";
1732                    case EXIT_APPLICATION: return "EXIT_APPLICATION";
1733                    case NEW_INTENT: return "NEW_INTENT";
1734                    case RECEIVER: return "RECEIVER";
1735                    case CREATE_SERVICE: return "CREATE_SERVICE";
1736                    case SERVICE_ARGS: return "SERVICE_ARGS";
1737                    case STOP_SERVICE: return "STOP_SERVICE";
1738                    case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL";
1739                    case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED";
1740                    case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT";
1741                    case GC_WHEN_IDLE: return "GC_WHEN_IDLE";
1742                    case BIND_SERVICE: return "BIND_SERVICE";
1743                    case UNBIND_SERVICE: return "UNBIND_SERVICE";
1744                    case DUMP_SERVICE: return "DUMP_SERVICE";
1745                    case LOW_MEMORY: return "LOW_MEMORY";
1746                    case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED";
1747                    case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY";
1748                    case PROFILER_CONTROL: return "PROFILER_CONTROL";
1749                    case CREATE_BACKUP_AGENT: return "CREATE_BACKUP_AGENT";
1750                    case DESTROY_BACKUP_AGENT: return "DESTROY_BACKUP_AGENT";
1751                }
1752            }
1753            return "(unknown)";
1754        }
1755        public void handleMessage(Message msg) {
1756            switch (msg.what) {
1757                case LAUNCH_ACTIVITY: {
1758                    ActivityRecord r = (ActivityRecord)msg.obj;
1759
1760                    r.packageInfo = getPackageInfoNoCheck(
1761                            r.activityInfo.applicationInfo);
1762                    handleLaunchActivity(r, null);
1763                } break;
1764                case RELAUNCH_ACTIVITY: {
1765                    ActivityRecord r = (ActivityRecord)msg.obj;
1766                    handleRelaunchActivity(r, msg.arg1);
1767                } break;
1768                case PAUSE_ACTIVITY:
1769                    handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2);
1770                    break;
1771                case PAUSE_ACTIVITY_FINISHING:
1772                    handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2);
1773                    break;
1774                case STOP_ACTIVITY_SHOW:
1775                    handleStopActivity((IBinder)msg.obj, true, msg.arg2);
1776                    break;
1777                case STOP_ACTIVITY_HIDE:
1778                    handleStopActivity((IBinder)msg.obj, false, msg.arg2);
1779                    break;
1780                case SHOW_WINDOW:
1781                    handleWindowVisibility((IBinder)msg.obj, true);
1782                    break;
1783                case HIDE_WINDOW:
1784                    handleWindowVisibility((IBinder)msg.obj, false);
1785                    break;
1786                case RESUME_ACTIVITY:
1787                    handleResumeActivity((IBinder)msg.obj, true,
1788                            msg.arg1 != 0);
1789                    break;
1790                case SEND_RESULT:
1791                    handleSendResult((ResultData)msg.obj);
1792                    break;
1793                case DESTROY_ACTIVITY:
1794                    handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0,
1795                            msg.arg2, false);
1796                    break;
1797                case BIND_APPLICATION:
1798                    AppBindData data = (AppBindData)msg.obj;
1799                    handleBindApplication(data);
1800                    break;
1801                case EXIT_APPLICATION:
1802                    if (mInitialApplication != null) {
1803                        mInitialApplication.onTerminate();
1804                    }
1805                    Looper.myLooper().quit();
1806                    break;
1807                case NEW_INTENT:
1808                    handleNewIntent((NewIntentData)msg.obj);
1809                    break;
1810                case RECEIVER:
1811                    handleReceiver((ReceiverData)msg.obj);
1812                    break;
1813                case CREATE_SERVICE:
1814                    handleCreateService((CreateServiceData)msg.obj);
1815                    break;
1816                case BIND_SERVICE:
1817                    handleBindService((BindServiceData)msg.obj);
1818                    break;
1819                case UNBIND_SERVICE:
1820                    handleUnbindService((BindServiceData)msg.obj);
1821                    break;
1822                case SERVICE_ARGS:
1823                    handleServiceArgs((ServiceArgsData)msg.obj);
1824                    break;
1825                case STOP_SERVICE:
1826                    handleStopService((IBinder)msg.obj);
1827                    break;
1828                case REQUEST_THUMBNAIL:
1829                    handleRequestThumbnail((IBinder)msg.obj);
1830                    break;
1831                case CONFIGURATION_CHANGED:
1832                    handleConfigurationChanged((Configuration)msg.obj);
1833                    break;
1834                case CLEAN_UP_CONTEXT:
1835                    ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj;
1836                    cci.context.performFinalCleanup(cci.who, cci.what);
1837                    break;
1838                case GC_WHEN_IDLE:
1839                    scheduleGcIdler();
1840                    break;
1841                case DUMP_SERVICE:
1842                    handleDumpService((DumpServiceInfo)msg.obj);
1843                    break;
1844                case LOW_MEMORY:
1845                    handleLowMemory();
1846                    break;
1847                case ACTIVITY_CONFIGURATION_CHANGED:
1848                    handleActivityConfigurationChanged((IBinder)msg.obj);
1849                    break;
1850                case PROFILER_CONTROL:
1851                    handleProfilerControl(msg.arg1 != 0, (ProfilerControlData)msg.obj);
1852                    break;
1853                case CREATE_BACKUP_AGENT:
1854                    handleCreateBackupAgent((CreateBackupAgentData)msg.obj);
1855                    break;
1856                case DESTROY_BACKUP_AGENT:
1857                    handleDestroyBackupAgent((CreateBackupAgentData)msg.obj);
1858                    break;
1859            }
1860        }
1861    }
1862
1863    private final class Idler implements MessageQueue.IdleHandler {
1864        public final boolean queueIdle() {
1865            ActivityRecord a = mNewActivities;
1866            if (a != null) {
1867                mNewActivities = null;
1868                IActivityManager am = ActivityManagerNative.getDefault();
1869                ActivityRecord prev;
1870                do {
1871                    if (localLOGV) Log.v(
1872                        TAG, "Reporting idle of " + a +
1873                        " finished=" +
1874                        (a.activity != null ? a.activity.mFinished : false));
1875                    if (a.activity != null && !a.activity.mFinished) {
1876                        try {
1877                            am.activityIdle(a.token);
1878                        } catch (RemoteException ex) {
1879                        }
1880                    }
1881                    prev = a;
1882                    a = a.nextIdle;
1883                    prev.nextIdle = null;
1884                } while (a != null);
1885            }
1886            return false;
1887        }
1888    }
1889
1890    final class GcIdler implements MessageQueue.IdleHandler {
1891        public final boolean queueIdle() {
1892            doGcIfNeeded();
1893            return false;
1894        }
1895    }
1896
1897    static IPackageManager sPackageManager;
1898
1899    final ApplicationThread mAppThread = new ApplicationThread();
1900    final Looper mLooper = Looper.myLooper();
1901    final H mH = new H();
1902    final HashMap<IBinder, ActivityRecord> mActivities
1903            = new HashMap<IBinder, ActivityRecord>();
1904    // List of new activities (via ActivityRecord.nextIdle) that should
1905    // be reported when next we idle.
1906    ActivityRecord mNewActivities = null;
1907    // Number of activities that are currently visible on-screen.
1908    int mNumVisibleActivities = 0;
1909    final HashMap<IBinder, Service> mServices
1910            = new HashMap<IBinder, Service>();
1911    AppBindData mBoundApplication;
1912    Configuration mConfiguration;
1913    Application mInitialApplication;
1914    final ArrayList<Application> mAllApplications
1915            = new ArrayList<Application>();
1916    // set of instantiated backup agents, keyed by package name
1917    final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>();
1918    static final ThreadLocal sThreadLocal = new ThreadLocal();
1919    Instrumentation mInstrumentation;
1920    String mInstrumentationAppDir = null;
1921    String mInstrumentationAppPackage = null;
1922    String mInstrumentedAppDir = null;
1923    boolean mSystemThread = false;
1924
1925    /**
1926     * Activities that are enqueued to be relaunched.  This list is accessed
1927     * by multiple threads, so you must synchronize on it when accessing it.
1928     */
1929    final ArrayList<ActivityRecord> mRelaunchingActivities
1930            = new ArrayList<ActivityRecord>();
1931    Configuration mPendingConfiguration = null;
1932
1933    // These can be accessed by multiple threads; mPackages is the lock.
1934    // XXX For now we keep around information about all packages we have
1935    // seen, not removing entries from this map.
1936    final HashMap<String, WeakReference<PackageInfo>> mPackages
1937        = new HashMap<String, WeakReference<PackageInfo>>();
1938    final HashMap<String, WeakReference<PackageInfo>> mResourcePackages
1939        = new HashMap<String, WeakReference<PackageInfo>>();
1940    Display mDisplay = null;
1941    DisplayMetrics mDisplayMetrics = null;
1942    HashMap<String, WeakReference<Resources> > mActiveResources
1943        = new HashMap<String, WeakReference<Resources> >();
1944
1945    // The lock of mProviderMap protects the following variables.
1946    final HashMap<String, ProviderRecord> mProviderMap
1947        = new HashMap<String, ProviderRecord>();
1948    final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap
1949        = new HashMap<IBinder, ProviderRefCount>();
1950    final HashMap<IBinder, ProviderRecord> mLocalProviders
1951        = new HashMap<IBinder, ProviderRecord>();
1952
1953    final GcIdler mGcIdler = new GcIdler();
1954    boolean mGcIdlerScheduled = false;
1955
1956    public final PackageInfo getPackageInfo(String packageName, int flags) {
1957        synchronized (mPackages) {
1958            WeakReference<PackageInfo> ref;
1959            if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) {
1960                ref = mPackages.get(packageName);
1961            } else {
1962                ref = mResourcePackages.get(packageName);
1963            }
1964            PackageInfo packageInfo = ref != null ? ref.get() : null;
1965            //Log.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo);
1966            if (packageInfo != null && (packageInfo.mResources == null
1967                    || packageInfo.mResources.getAssets().isUpToDate())) {
1968                if (packageInfo.isSecurityViolation()
1969                        && (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) {
1970                    throw new SecurityException(
1971                            "Requesting code from " + packageName
1972                            + " to be run in process "
1973                            + mBoundApplication.processName
1974                            + "/" + mBoundApplication.appInfo.uid);
1975                }
1976                return packageInfo;
1977            }
1978        }
1979
1980        ApplicationInfo ai = null;
1981        try {
1982            ai = getPackageManager().getApplicationInfo(packageName,
1983                    PackageManager.GET_SHARED_LIBRARY_FILES);
1984        } catch (RemoteException e) {
1985        }
1986
1987        if (ai != null) {
1988            return getPackageInfo(ai, flags);
1989        }
1990
1991        return null;
1992    }
1993
1994    public final PackageInfo getPackageInfo(ApplicationInfo ai, int flags) {
1995        boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0;
1996        boolean securityViolation = includeCode && ai.uid != 0
1997                && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null
1998                        ? ai.uid != mBoundApplication.appInfo.uid : true);
1999        if ((flags&(Context.CONTEXT_INCLUDE_CODE
2000                |Context.CONTEXT_IGNORE_SECURITY))
2001                == Context.CONTEXT_INCLUDE_CODE) {
2002            if (securityViolation) {
2003                String msg = "Requesting code from " + ai.packageName
2004                        + " (with uid " + ai.uid + ")";
2005                if (mBoundApplication != null) {
2006                    msg = msg + " to be run in process "
2007                        + mBoundApplication.processName + " (with uid "
2008                        + mBoundApplication.appInfo.uid + ")";
2009                }
2010                throw new SecurityException(msg);
2011            }
2012        }
2013        return getPackageInfo(ai, null, securityViolation, includeCode);
2014    }
2015
2016    public final PackageInfo getPackageInfoNoCheck(ApplicationInfo ai) {
2017        return getPackageInfo(ai, null, false, true);
2018    }
2019
2020    private final PackageInfo getPackageInfo(ApplicationInfo aInfo,
2021            ClassLoader baseLoader, boolean securityViolation, boolean includeCode) {
2022        synchronized (mPackages) {
2023            WeakReference<PackageInfo> ref;
2024            if (includeCode) {
2025                ref = mPackages.get(aInfo.packageName);
2026            } else {
2027                ref = mResourcePackages.get(aInfo.packageName);
2028            }
2029            PackageInfo packageInfo = ref != null ? ref.get() : null;
2030            if (packageInfo == null || (packageInfo.mResources != null
2031                    && !packageInfo.mResources.getAssets().isUpToDate())) {
2032                if (localLOGV) Log.v(TAG, (includeCode ? "Loading code package "
2033                        : "Loading resource-only package ") + aInfo.packageName
2034                        + " (in " + (mBoundApplication != null
2035                                ? mBoundApplication.processName : null)
2036                        + ")");
2037                packageInfo =
2038                    new PackageInfo(this, aInfo, this, baseLoader,
2039                            securityViolation, includeCode &&
2040                            (aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0);
2041                if (includeCode) {
2042                    mPackages.put(aInfo.packageName,
2043                            new WeakReference<PackageInfo>(packageInfo));
2044                } else {
2045                    mResourcePackages.put(aInfo.packageName,
2046                            new WeakReference<PackageInfo>(packageInfo));
2047                }
2048            }
2049            return packageInfo;
2050        }
2051    }
2052
2053    public final boolean hasPackageInfo(String packageName) {
2054        synchronized (mPackages) {
2055            WeakReference<PackageInfo> ref;
2056            ref = mPackages.get(packageName);
2057            if (ref != null && ref.get() != null) {
2058                return true;
2059            }
2060            ref = mResourcePackages.get(packageName);
2061            if (ref != null && ref.get() != null) {
2062                return true;
2063            }
2064            return false;
2065        }
2066    }
2067
2068    ActivityThread() {
2069    }
2070
2071    public ApplicationThread getApplicationThread()
2072    {
2073        return mAppThread;
2074    }
2075
2076    public Instrumentation getInstrumentation()
2077    {
2078        return mInstrumentation;
2079    }
2080
2081    public Configuration getConfiguration() {
2082        return mConfiguration;
2083    }
2084
2085    public boolean isProfiling() {
2086        return mBoundApplication != null && mBoundApplication.profileFile != null;
2087    }
2088
2089    public String getProfileFilePath() {
2090        return mBoundApplication.profileFile;
2091    }
2092
2093    public Looper getLooper() {
2094        return mLooper;
2095    }
2096
2097    public Application getApplication() {
2098        return mInitialApplication;
2099    }
2100
2101    public String getProcessName() {
2102        return mBoundApplication.processName;
2103    }
2104
2105    public ApplicationContext getSystemContext() {
2106        synchronized (this) {
2107            if (mSystemContext == null) {
2108                ApplicationContext context =
2109                    ApplicationContext.createSystemContext(this);
2110                PackageInfo info = new PackageInfo(this, "android", context);
2111                context.init(info, null, this);
2112                context.getResources().updateConfiguration(
2113                        getConfiguration(), getDisplayMetricsLocked(false));
2114                mSystemContext = context;
2115                //Log.i(TAG, "Created system resources " + context.getResources()
2116                //        + ": " + context.getResources().getConfiguration());
2117            }
2118        }
2119        return mSystemContext;
2120    }
2121
2122    void scheduleGcIdler() {
2123        if (!mGcIdlerScheduled) {
2124            mGcIdlerScheduled = true;
2125            Looper.myQueue().addIdleHandler(mGcIdler);
2126        }
2127        mH.removeMessages(H.GC_WHEN_IDLE);
2128    }
2129
2130    void unscheduleGcIdler() {
2131        if (mGcIdlerScheduled) {
2132            mGcIdlerScheduled = false;
2133            Looper.myQueue().removeIdleHandler(mGcIdler);
2134        }
2135        mH.removeMessages(H.GC_WHEN_IDLE);
2136    }
2137
2138    void doGcIfNeeded() {
2139        mGcIdlerScheduled = false;
2140        final long now = SystemClock.uptimeMillis();
2141        //Log.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime()
2142        //        + "m now=" + now);
2143        if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) {
2144            //Log.i(TAG, "**** WE DO, WE DO WANT TO GC!");
2145            BinderInternal.forceGc("bg");
2146        }
2147    }
2148
2149    public final ActivityInfo resolveActivityInfo(Intent intent) {
2150        ActivityInfo aInfo = intent.resolveActivityInfo(
2151                mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES);
2152        if (aInfo == null) {
2153            // Throw an exception.
2154            Instrumentation.checkStartActivityResult(
2155                    IActivityManager.START_CLASS_NOT_FOUND, intent);
2156        }
2157        return aInfo;
2158    }
2159
2160    public final Activity startActivityNow(Activity parent, String id,
2161            Intent intent, IBinder token, Bundle state) {
2162        ActivityInfo aInfo = resolveActivityInfo(intent);
2163        return startActivityNow(parent, id, intent, aInfo, token, state);
2164    }
2165
2166    public final Activity startActivityNow(Activity parent, String id,
2167            Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state) {
2168        return startActivityNow(parent, id, intent, activityInfo, token, state, null);
2169    }
2170
2171    public final Activity startActivityNow(Activity parent, String id,
2172        Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state,
2173        Object lastNonConfigurationInstance) {
2174        ActivityRecord r = new ActivityRecord();
2175            r.token = token;
2176            r.intent = intent;
2177            r.state = state;
2178            r.parent = parent;
2179            r.embeddedID = id;
2180            r.activityInfo = activityInfo;
2181            r.lastNonConfigurationInstance = lastNonConfigurationInstance;
2182        if (localLOGV) {
2183            ComponentName compname = intent.getComponent();
2184            String name;
2185            if (compname != null) {
2186                name = compname.toShortString();
2187            } else {
2188                name = "(Intent " + intent + ").getComponent() returned null";
2189            }
2190            Log.v(TAG, "Performing launch: action=" + intent.getAction()
2191                    + ", comp=" + name
2192                    + ", token=" + token);
2193        }
2194        return performLaunchActivity(r, null);
2195    }
2196
2197    public final Activity getActivity(IBinder token) {
2198        return mActivities.get(token).activity;
2199    }
2200
2201    public final void sendActivityResult(
2202            IBinder token, String id, int requestCode,
2203            int resultCode, Intent data) {
2204        if (DEBUG_RESULTS) Log.v(TAG, "sendActivityResult: id=" + id
2205                + " req=" + requestCode + " res=" + resultCode + " data=" + data);
2206        ArrayList<ResultInfo> list = new ArrayList<ResultInfo>();
2207        list.add(new ResultInfo(id, requestCode, resultCode, data));
2208        mAppThread.scheduleSendResult(token, list);
2209    }
2210
2211    // if the thread hasn't started yet, we don't have the handler, so just
2212    // save the messages until we're ready.
2213    private final void queueOrSendMessage(int what, Object obj) {
2214        queueOrSendMessage(what, obj, 0, 0);
2215    }
2216
2217    private final void queueOrSendMessage(int what, Object obj, int arg1) {
2218        queueOrSendMessage(what, obj, arg1, 0);
2219    }
2220
2221    private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
2222        synchronized (this) {
2223            if (localLOGV) Log.v(
2224                TAG, "SCHEDULE " + what + " " + mH.codeToString(what)
2225                + ": " + arg1 + " / " + obj);
2226            Message msg = Message.obtain();
2227            msg.what = what;
2228            msg.obj = obj;
2229            msg.arg1 = arg1;
2230            msg.arg2 = arg2;
2231            mH.sendMessage(msg);
2232        }
2233    }
2234
2235    final void scheduleContextCleanup(ApplicationContext context, String who,
2236            String what) {
2237        ContextCleanupInfo cci = new ContextCleanupInfo();
2238        cci.context = context;
2239        cci.who = who;
2240        cci.what = what;
2241        queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci);
2242    }
2243
2244    private final Activity performLaunchActivity(ActivityRecord r, Intent customIntent) {
2245        // System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")");
2246
2247        ActivityInfo aInfo = r.activityInfo;
2248        if (r.packageInfo == null) {
2249            r.packageInfo = getPackageInfo(aInfo.applicationInfo,
2250                    Context.CONTEXT_INCLUDE_CODE);
2251        }
2252
2253        ComponentName component = r.intent.getComponent();
2254        if (component == null) {
2255            component = r.intent.resolveActivity(
2256                mInitialApplication.getPackageManager());
2257            r.intent.setComponent(component);
2258        }
2259
2260        if (r.activityInfo.targetActivity != null) {
2261            component = new ComponentName(r.activityInfo.packageName,
2262                    r.activityInfo.targetActivity);
2263        }
2264
2265        Activity activity = null;
2266        try {
2267            java.lang.ClassLoader cl = r.packageInfo.getClassLoader();
2268            activity = mInstrumentation.newActivity(
2269                    cl, component.getClassName(), r.intent);
2270            r.intent.setExtrasClassLoader(cl);
2271            if (r.state != null) {
2272                r.state.setClassLoader(cl);
2273            }
2274        } catch (Exception e) {
2275            if (!mInstrumentation.onException(activity, e)) {
2276                throw new RuntimeException(
2277                    "Unable to instantiate activity " + component
2278                    + ": " + e.toString(), e);
2279            }
2280        }
2281
2282        try {
2283            Application app = r.packageInfo.makeApplication(false);
2284
2285            if (localLOGV) Log.v(TAG, "Performing launch of " + r);
2286            if (localLOGV) Log.v(
2287                    TAG, r + ": app=" + app
2288                    + ", appName=" + app.getPackageName()
2289                    + ", pkg=" + r.packageInfo.getPackageName()
2290                    + ", comp=" + r.intent.getComponent().toShortString()
2291                    + ", dir=" + r.packageInfo.getAppDir());
2292
2293            if (activity != null) {
2294                ApplicationContext appContext = new ApplicationContext();
2295                appContext.init(r.packageInfo, r.token, this);
2296                appContext.setOuterContext(activity);
2297                CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager());
2298                Configuration config = new Configuration(mConfiguration);
2299                activity.attach(appContext, this, getInstrumentation(), r.token, app,
2300                        r.intent, r.activityInfo, title, r.parent, r.embeddedID,
2301                        r.lastNonConfigurationInstance, r.lastNonConfigurationChildInstances,
2302                        config);
2303
2304                if (customIntent != null) {
2305                    activity.mIntent = customIntent;
2306                }
2307                r.lastNonConfigurationInstance = null;
2308                r.lastNonConfigurationChildInstances = null;
2309                activity.mStartedActivity = false;
2310                int theme = r.activityInfo.getThemeResource();
2311                if (theme != 0) {
2312                    activity.setTheme(theme);
2313                }
2314
2315                activity.mCalled = false;
2316                mInstrumentation.callActivityOnCreate(activity, r.state);
2317                if (!activity.mCalled) {
2318                    throw new SuperNotCalledException(
2319                        "Activity " + r.intent.getComponent().toShortString() +
2320                        " did not call through to super.onCreate()");
2321                }
2322                r.activity = activity;
2323                r.stopped = true;
2324                if (!r.activity.mFinished) {
2325                    activity.performStart();
2326                    r.stopped = false;
2327                }
2328                if (!r.activity.mFinished) {
2329                    if (r.state != null) {
2330                        mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state);
2331                    }
2332                }
2333                if (!r.activity.mFinished) {
2334                    activity.mCalled = false;
2335                    mInstrumentation.callActivityOnPostCreate(activity, r.state);
2336                    if (!activity.mCalled) {
2337                        throw new SuperNotCalledException(
2338                            "Activity " + r.intent.getComponent().toShortString() +
2339                            " did not call through to super.onPostCreate()");
2340                    }
2341                }
2342                r.state = null;
2343            }
2344            r.paused = true;
2345
2346            mActivities.put(r.token, r);
2347
2348        } catch (SuperNotCalledException e) {
2349            throw e;
2350
2351        } catch (Exception e) {
2352            if (!mInstrumentation.onException(activity, e)) {
2353                throw new RuntimeException(
2354                    "Unable to start activity " + component
2355                    + ": " + e.toString(), e);
2356            }
2357        }
2358
2359        return activity;
2360    }
2361
2362    private final void handleLaunchActivity(ActivityRecord r, Intent customIntent) {
2363        // If we are getting ready to gc after going to the background, well
2364        // we are back active so skip it.
2365        unscheduleGcIdler();
2366
2367        if (localLOGV) Log.v(
2368            TAG, "Handling launch of " + r);
2369        Activity a = performLaunchActivity(r, customIntent);
2370
2371        if (a != null) {
2372            handleResumeActivity(r.token, false, r.isForward);
2373
2374            if (!r.activity.mFinished && r.startsNotResumed) {
2375                // The activity manager actually wants this one to start out
2376                // paused, because it needs to be visible but isn't in the
2377                // foreground.  We accomplish this by going through the
2378                // normal startup (because activities expect to go through
2379                // onResume() the first time they run, before their window
2380                // is displayed), and then pausing it.  However, in this case
2381                // we do -not- need to do the full pause cycle (of freezing
2382                // and such) because the activity manager assumes it can just
2383                // retain the current state it has.
2384                try {
2385                    r.activity.mCalled = false;
2386                    mInstrumentation.callActivityOnPause(r.activity);
2387                    if (!r.activity.mCalled) {
2388                        throw new SuperNotCalledException(
2389                            "Activity " + r.intent.getComponent().toShortString() +
2390                            " did not call through to super.onPause()");
2391                    }
2392
2393                } catch (SuperNotCalledException e) {
2394                    throw e;
2395
2396                } catch (Exception e) {
2397                    if (!mInstrumentation.onException(r.activity, e)) {
2398                        throw new RuntimeException(
2399                                "Unable to pause activity "
2400                                + r.intent.getComponent().toShortString()
2401                                + ": " + e.toString(), e);
2402                    }
2403                }
2404                r.paused = true;
2405            }
2406        } else {
2407            // If there was an error, for any reason, tell the activity
2408            // manager to stop us.
2409            try {
2410                ActivityManagerNative.getDefault()
2411                    .finishActivity(r.token, Activity.RESULT_CANCELED, null);
2412            } catch (RemoteException ex) {
2413            }
2414        }
2415    }
2416
2417    private final void deliverNewIntents(ActivityRecord r,
2418            List<Intent> intents) {
2419        final int N = intents.size();
2420        for (int i=0; i<N; i++) {
2421            Intent intent = intents.get(i);
2422            intent.setExtrasClassLoader(r.activity.getClassLoader());
2423            mInstrumentation.callActivityOnNewIntent(r.activity, intent);
2424        }
2425    }
2426
2427    public final void performNewIntents(IBinder token,
2428            List<Intent> intents) {
2429        ActivityRecord r = mActivities.get(token);
2430        if (r != null) {
2431            final boolean resumed = !r.paused;
2432            if (resumed) {
2433                mInstrumentation.callActivityOnPause(r.activity);
2434            }
2435            deliverNewIntents(r, intents);
2436            if (resumed) {
2437                mInstrumentation.callActivityOnResume(r.activity);
2438            }
2439        }
2440    }
2441
2442    private final void handleNewIntent(NewIntentData data) {
2443        performNewIntents(data.token, data.intents);
2444    }
2445
2446    private final void handleReceiver(ReceiverData data) {
2447        // If we are getting ready to gc after going to the background, well
2448        // we are back active so skip it.
2449        unscheduleGcIdler();
2450
2451        String component = data.intent.getComponent().getClassName();
2452
2453        PackageInfo packageInfo = getPackageInfoNoCheck(
2454                data.info.applicationInfo);
2455
2456        IActivityManager mgr = ActivityManagerNative.getDefault();
2457
2458        BroadcastReceiver receiver = null;
2459        try {
2460            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2461            data.intent.setExtrasClassLoader(cl);
2462            if (data.resultExtras != null) {
2463                data.resultExtras.setClassLoader(cl);
2464            }
2465            receiver = (BroadcastReceiver)cl.loadClass(component).newInstance();
2466        } catch (Exception e) {
2467            try {
2468                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2469                                   data.resultData, data.resultExtras, data.resultAbort);
2470            } catch (RemoteException ex) {
2471            }
2472            throw new RuntimeException(
2473                "Unable to instantiate receiver " + component
2474                + ": " + e.toString(), e);
2475        }
2476
2477        try {
2478            Application app = packageInfo.makeApplication(false);
2479
2480            if (localLOGV) Log.v(
2481                TAG, "Performing receive of " + data.intent
2482                + ": app=" + app
2483                + ", appName=" + app.getPackageName()
2484                + ", pkg=" + packageInfo.getPackageName()
2485                + ", comp=" + data.intent.getComponent().toShortString()
2486                + ", dir=" + packageInfo.getAppDir());
2487
2488            ApplicationContext context = (ApplicationContext)app.getBaseContext();
2489            receiver.setOrderedHint(true);
2490            receiver.setResult(data.resultCode, data.resultData,
2491                data.resultExtras);
2492            receiver.setOrderedHint(data.sync);
2493            receiver.onReceive(context.getReceiverRestrictedContext(),
2494                    data.intent);
2495        } catch (Exception e) {
2496            try {
2497                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2498                    data.resultData, data.resultExtras, data.resultAbort);
2499            } catch (RemoteException ex) {
2500            }
2501            if (!mInstrumentation.onException(receiver, e)) {
2502                throw new RuntimeException(
2503                    "Unable to start receiver " + component
2504                    + ": " + e.toString(), e);
2505            }
2506        }
2507
2508        try {
2509            if (data.sync) {
2510                mgr.finishReceiver(
2511                    mAppThread.asBinder(), receiver.getResultCode(),
2512                    receiver.getResultData(), receiver.getResultExtras(false),
2513                        receiver.getAbortBroadcast());
2514            } else {
2515                mgr.finishReceiver(mAppThread.asBinder(), 0, null, null, false);
2516            }
2517        } catch (RemoteException ex) {
2518        }
2519    }
2520
2521    // Instantiate a BackupAgent and tell it that it's alive
2522    private final void handleCreateBackupAgent(CreateBackupAgentData data) {
2523        if (DEBUG_BACKUP) Log.v(TAG, "handleCreateBackupAgent: " + data);
2524
2525        // no longer idle; we have backup work to do
2526        unscheduleGcIdler();
2527
2528        // instantiate the BackupAgent class named in the manifest
2529        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2530        String packageName = packageInfo.mPackageName;
2531        if (mBackupAgents.get(packageName) != null) {
2532            Log.d(TAG, "BackupAgent " + "  for " + packageName
2533                    + " already exists");
2534            return;
2535        }
2536
2537        BackupAgent agent = null;
2538        String classname = data.appInfo.backupAgentName;
2539        if (classname == null) {
2540            if (data.backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) {
2541                Log.e(TAG, "Attempted incremental backup but no defined agent for "
2542                        + packageName);
2543                return;
2544            }
2545            classname = "android.app.FullBackupAgent";
2546        }
2547        try {
2548            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2549            agent = (BackupAgent) cl.loadClass(data.appInfo.backupAgentName).newInstance();
2550        } catch (Exception e) {
2551            throw new RuntimeException("Unable to instantiate backup agent "
2552                    + data.appInfo.backupAgentName + ": " + e.toString(), e);
2553        }
2554
2555        // set up the agent's context
2556        try {
2557            if (DEBUG_BACKUP) Log.v(TAG, "Initializing BackupAgent "
2558                    + data.appInfo.backupAgentName);
2559
2560            ApplicationContext context = new ApplicationContext();
2561            context.init(packageInfo, null, this);
2562            context.setOuterContext(agent);
2563            agent.attach(context);
2564            agent.onCreate();
2565
2566            // tell the OS that we're live now
2567            IBinder binder = agent.onBind();
2568            try {
2569                ActivityManagerNative.getDefault().backupAgentCreated(packageName, binder);
2570            } catch (RemoteException e) {
2571                // nothing to do.
2572            }
2573            mBackupAgents.put(packageName, agent);
2574        } catch (Exception e) {
2575            throw new RuntimeException("Unable to create BackupAgent "
2576                    + data.appInfo.backupAgentName + ": " + e.toString(), e);
2577        }
2578    }
2579
2580    // Tear down a BackupAgent
2581    private final void handleDestroyBackupAgent(CreateBackupAgentData data) {
2582        if (DEBUG_BACKUP) Log.v(TAG, "handleDestroyBackupAgent: " + data);
2583
2584        PackageInfo packageInfo = getPackageInfoNoCheck(data.appInfo);
2585        String packageName = packageInfo.mPackageName;
2586        BackupAgent agent = mBackupAgents.get(packageName);
2587        if (agent != null) {
2588            try {
2589                agent.onDestroy();
2590            } catch (Exception e) {
2591                Log.w(TAG, "Exception thrown in onDestroy by backup agent of " + data.appInfo);
2592                e.printStackTrace();
2593            }
2594            mBackupAgents.remove(packageName);
2595        } else {
2596            Log.w(TAG, "Attempt to destroy unknown backup agent " + data);
2597        }
2598    }
2599
2600    private final void handleCreateService(CreateServiceData data) {
2601        // If we are getting ready to gc after going to the background, well
2602        // we are back active so skip it.
2603        unscheduleGcIdler();
2604
2605        PackageInfo packageInfo = getPackageInfoNoCheck(
2606                data.info.applicationInfo);
2607        Service service = null;
2608        try {
2609            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2610            service = (Service) cl.loadClass(data.info.name).newInstance();
2611        } catch (Exception e) {
2612            if (!mInstrumentation.onException(service, e)) {
2613                throw new RuntimeException(
2614                    "Unable to instantiate service " + data.info.name
2615                    + ": " + e.toString(), e);
2616            }
2617        }
2618
2619        try {
2620            if (localLOGV) Log.v(TAG, "Creating service " + data.info.name);
2621
2622            ApplicationContext context = new ApplicationContext();
2623            context.init(packageInfo, null, this);
2624
2625            Application app = packageInfo.makeApplication(false);
2626            context.setOuterContext(service);
2627            service.attach(context, this, data.info.name, data.token, app,
2628                    ActivityManagerNative.getDefault());
2629            service.onCreate();
2630            mServices.put(data.token, service);
2631            try {
2632                ActivityManagerNative.getDefault().serviceDoneExecuting(data.token);
2633            } catch (RemoteException e) {
2634                // nothing to do.
2635            }
2636        } catch (Exception e) {
2637            if (!mInstrumentation.onException(service, e)) {
2638                throw new RuntimeException(
2639                    "Unable to create service " + data.info.name
2640                    + ": " + e.toString(), e);
2641            }
2642        }
2643    }
2644
2645    private final void handleBindService(BindServiceData data) {
2646        Service s = mServices.get(data.token);
2647        if (s != null) {
2648            try {
2649                data.intent.setExtrasClassLoader(s.getClassLoader());
2650                try {
2651                    if (!data.rebind) {
2652                        IBinder binder = s.onBind(data.intent);
2653                        ActivityManagerNative.getDefault().publishService(
2654                                data.token, data.intent, binder);
2655                    } else {
2656                        s.onRebind(data.intent);
2657                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2658                                data.token);
2659                    }
2660                } catch (RemoteException ex) {
2661                }
2662            } catch (Exception e) {
2663                if (!mInstrumentation.onException(s, e)) {
2664                    throw new RuntimeException(
2665                            "Unable to bind to service " + s
2666                            + " with " + data.intent + ": " + e.toString(), e);
2667                }
2668            }
2669        }
2670    }
2671
2672    private final void handleUnbindService(BindServiceData data) {
2673        Service s = mServices.get(data.token);
2674        if (s != null) {
2675            try {
2676                data.intent.setExtrasClassLoader(s.getClassLoader());
2677                boolean doRebind = s.onUnbind(data.intent);
2678                try {
2679                    if (doRebind) {
2680                        ActivityManagerNative.getDefault().unbindFinished(
2681                                data.token, data.intent, doRebind);
2682                    } else {
2683                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2684                                data.token);
2685                    }
2686                } catch (RemoteException ex) {
2687                }
2688            } catch (Exception e) {
2689                if (!mInstrumentation.onException(s, e)) {
2690                    throw new RuntimeException(
2691                            "Unable to unbind to service " + s
2692                            + " with " + data.intent + ": " + e.toString(), e);
2693                }
2694            }
2695        }
2696    }
2697
2698    private void handleDumpService(DumpServiceInfo info) {
2699        try {
2700            Service s = mServices.get(info.service);
2701            if (s != null) {
2702                PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd));
2703                s.dump(info.fd, pw, info.args);
2704                pw.close();
2705            }
2706        } finally {
2707            synchronized (info) {
2708                info.dumped = true;
2709                info.notifyAll();
2710            }
2711        }
2712    }
2713
2714    private final void handleServiceArgs(ServiceArgsData data) {
2715        Service s = mServices.get(data.token);
2716        if (s != null) {
2717            try {
2718                if (data.args != null) {
2719                    data.args.setExtrasClassLoader(s.getClassLoader());
2720                }
2721                s.onStart(data.args, data.startId);
2722                try {
2723                    ActivityManagerNative.getDefault().serviceDoneExecuting(data.token);
2724                } catch (RemoteException e) {
2725                    // nothing to do.
2726                }
2727            } catch (Exception e) {
2728                if (!mInstrumentation.onException(s, e)) {
2729                    throw new RuntimeException(
2730                            "Unable to start service " + s
2731                            + " with " + data.args + ": " + e.toString(), e);
2732                }
2733            }
2734        }
2735    }
2736
2737    private final void handleStopService(IBinder token) {
2738        Service s = mServices.remove(token);
2739        if (s != null) {
2740            try {
2741                if (localLOGV) Log.v(TAG, "Destroying service " + s);
2742                s.onDestroy();
2743                Context context = s.getBaseContext();
2744                if (context instanceof ApplicationContext) {
2745                    final String who = s.getClassName();
2746                    ((ApplicationContext) context).scheduleFinalCleanup(who, "Service");
2747                }
2748                try {
2749                    ActivityManagerNative.getDefault().serviceDoneExecuting(token);
2750                } catch (RemoteException e) {
2751                    // nothing to do.
2752                }
2753            } catch (Exception e) {
2754                if (!mInstrumentation.onException(s, e)) {
2755                    throw new RuntimeException(
2756                            "Unable to stop service " + s
2757                            + ": " + e.toString(), e);
2758                }
2759            }
2760        }
2761        //Log.i(TAG, "Running services: " + mServices);
2762    }
2763
2764    public final ActivityRecord performResumeActivity(IBinder token,
2765            boolean clearHide) {
2766        ActivityRecord r = mActivities.get(token);
2767        if (localLOGV) Log.v(TAG, "Performing resume of " + r
2768                + " finished=" + r.activity.mFinished);
2769        if (r != null && !r.activity.mFinished) {
2770            if (clearHide) {
2771                r.hideForNow = false;
2772                r.activity.mStartedActivity = false;
2773            }
2774            try {
2775                if (r.pendingIntents != null) {
2776                    deliverNewIntents(r, r.pendingIntents);
2777                    r.pendingIntents = null;
2778                }
2779                if (r.pendingResults != null) {
2780                    deliverResults(r, r.pendingResults);
2781                    r.pendingResults = null;
2782                }
2783                r.activity.performResume();
2784
2785                EventLog.writeEvent(LOG_ON_RESUME_CALLED,
2786                        r.activity.getComponentName().getClassName());
2787
2788                r.paused = false;
2789                r.stopped = false;
2790                if (r.activity.mStartedActivity) {
2791                    r.hideForNow = true;
2792                }
2793                r.state = null;
2794            } catch (Exception e) {
2795                if (!mInstrumentation.onException(r.activity, e)) {
2796                    throw new RuntimeException(
2797                        "Unable to resume activity "
2798                        + r.intent.getComponent().toShortString()
2799                        + ": " + e.toString(), e);
2800                }
2801            }
2802        }
2803        return r;
2804    }
2805
2806    final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) {
2807        // If we are getting ready to gc after going to the background, well
2808        // we are back active so skip it.
2809        unscheduleGcIdler();
2810
2811        ActivityRecord r = performResumeActivity(token, clearHide);
2812
2813        if (r != null) {
2814            final Activity a = r.activity;
2815
2816            if (localLOGV) Log.v(
2817                TAG, "Resume " + r + " started activity: " +
2818                a.mStartedActivity + ", hideForNow: " + r.hideForNow
2819                + ", finished: " + a.mFinished);
2820
2821            final int forwardBit = isForward ?
2822                    WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0;
2823
2824            // If the window hasn't yet been added to the window manager,
2825            // and this guy didn't finish itself or start another activity,
2826            // then go ahead and add the window.
2827            if (r.window == null && !a.mFinished && !a.mStartedActivity) {
2828                r.window = r.activity.getWindow();
2829                View decor = r.window.getDecorView();
2830                decor.setVisibility(View.INVISIBLE);
2831                ViewManager wm = a.getWindowManager();
2832                WindowManager.LayoutParams l = r.window.getAttributes();
2833                a.mDecor = decor;
2834                l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
2835                l.softInputMode |= forwardBit;
2836                if (a.mVisibleFromClient) {
2837                    a.mWindowAdded = true;
2838                    wm.addView(decor, l);
2839                }
2840
2841            // If the window has already been added, but during resume
2842            // we started another activity, then don't yet make the
2843            // window visisble.
2844            } else if (a.mStartedActivity) {
2845                if (localLOGV) Log.v(
2846                    TAG, "Launch " + r + " mStartedActivity set");
2847                r.hideForNow = true;
2848            }
2849
2850            // The window is now visible if it has been added, we are not
2851            // simply finishing, and we are not starting another activity.
2852            if (!r.activity.mFinished && r.activity.mDecor != null
2853                    && !r.hideForNow) {
2854                if (r.newConfig != null) {
2855                    performConfigurationChanged(r.activity, r.newConfig);
2856                    r.newConfig = null;
2857                }
2858                if (localLOGV) Log.v(TAG, "Resuming " + r + " with isForward="
2859                        + isForward);
2860                WindowManager.LayoutParams l = r.window.getAttributes();
2861                if ((l.softInputMode
2862                        & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)
2863                        != forwardBit) {
2864                    l.softInputMode = (l.softInputMode
2865                            & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION))
2866                            | forwardBit;
2867                    ViewManager wm = a.getWindowManager();
2868                    View decor = r.window.getDecorView();
2869                    wm.updateViewLayout(decor, l);
2870                }
2871                r.activity.mVisibleFromServer = true;
2872                mNumVisibleActivities++;
2873                if (r.activity.mVisibleFromClient) {
2874                    r.activity.makeVisible();
2875                }
2876            }
2877
2878            r.nextIdle = mNewActivities;
2879            mNewActivities = r;
2880            if (localLOGV) Log.v(
2881                TAG, "Scheduling idle handler for " + r);
2882            Looper.myQueue().addIdleHandler(new Idler());
2883
2884        } else {
2885            // If an exception was thrown when trying to resume, then
2886            // just end this activity.
2887            try {
2888                ActivityManagerNative.getDefault()
2889                    .finishActivity(token, Activity.RESULT_CANCELED, null);
2890            } catch (RemoteException ex) {
2891            }
2892        }
2893    }
2894
2895    private int mThumbnailWidth = -1;
2896    private int mThumbnailHeight = -1;
2897
2898    private final Bitmap createThumbnailBitmap(ActivityRecord r) {
2899        Bitmap thumbnail = null;
2900        try {
2901            int w = mThumbnailWidth;
2902            int h;
2903            if (w < 0) {
2904                Resources res = r.activity.getResources();
2905                mThumbnailHeight = h =
2906                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
2907
2908                mThumbnailWidth = w =
2909                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
2910            } else {
2911                h = mThumbnailHeight;
2912            }
2913
2914            // XXX Only set hasAlpha if needed?
2915            thumbnail = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
2916            thumbnail.eraseColor(0);
2917            Canvas cv = new Canvas(thumbnail);
2918            if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
2919                thumbnail = null;
2920            }
2921        } catch (Exception e) {
2922            if (!mInstrumentation.onException(r.activity, e)) {
2923                throw new RuntimeException(
2924                        "Unable to create thumbnail of "
2925                        + r.intent.getComponent().toShortString()
2926                        + ": " + e.toString(), e);
2927            }
2928            thumbnail = null;
2929        }
2930
2931        return thumbnail;
2932    }
2933
2934    private final void handlePauseActivity(IBinder token, boolean finished,
2935            boolean userLeaving, int configChanges) {
2936        ActivityRecord r = mActivities.get(token);
2937        if (r != null) {
2938            //Log.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r);
2939            if (userLeaving) {
2940                performUserLeavingActivity(r);
2941            }
2942
2943            r.activity.mConfigChangeFlags |= configChanges;
2944            Bundle state = performPauseActivity(token, finished, true);
2945
2946            // Tell the activity manager we have paused.
2947            try {
2948                ActivityManagerNative.getDefault().activityPaused(token, state);
2949            } catch (RemoteException ex) {
2950            }
2951        }
2952    }
2953
2954    final void performUserLeavingActivity(ActivityRecord r) {
2955        mInstrumentation.callActivityOnUserLeaving(r.activity);
2956    }
2957
2958    final Bundle performPauseActivity(IBinder token, boolean finished,
2959            boolean saveState) {
2960        ActivityRecord r = mActivities.get(token);
2961        return r != null ? performPauseActivity(r, finished, saveState) : null;
2962    }
2963
2964    final Bundle performPauseActivity(ActivityRecord r, boolean finished,
2965            boolean saveState) {
2966        if (r.paused) {
2967            if (r.activity.mFinished) {
2968                // If we are finishing, we won't call onResume() in certain cases.
2969                // So here we likewise don't want to call onPause() if the activity
2970                // isn't resumed.
2971                return null;
2972            }
2973            RuntimeException e = new RuntimeException(
2974                    "Performing pause of activity that is not resumed: "
2975                    + r.intent.getComponent().toShortString());
2976            Log.e(TAG, e.getMessage(), e);
2977        }
2978        Bundle state = null;
2979        if (finished) {
2980            r.activity.mFinished = true;
2981        }
2982        try {
2983            // Next have the activity save its current state and managed dialogs...
2984            if (!r.activity.mFinished && saveState) {
2985                state = new Bundle();
2986                mInstrumentation.callActivityOnSaveInstanceState(r.activity, state);
2987                r.state = state;
2988            }
2989            // Now we are idle.
2990            r.activity.mCalled = false;
2991            mInstrumentation.callActivityOnPause(r.activity);
2992            EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName());
2993            if (!r.activity.mCalled) {
2994                throw new SuperNotCalledException(
2995                    "Activity " + r.intent.getComponent().toShortString() +
2996                    " did not call through to super.onPause()");
2997            }
2998
2999        } catch (SuperNotCalledException e) {
3000            throw e;
3001
3002        } catch (Exception e) {
3003            if (!mInstrumentation.onException(r.activity, e)) {
3004                throw new RuntimeException(
3005                        "Unable to pause activity "
3006                        + r.intent.getComponent().toShortString()
3007                        + ": " + e.toString(), e);
3008            }
3009        }
3010        r.paused = true;
3011        return state;
3012    }
3013
3014    final void performStopActivity(IBinder token) {
3015        ActivityRecord r = mActivities.get(token);
3016        performStopActivityInner(r, null, false);
3017    }
3018
3019    private static class StopInfo {
3020        Bitmap thumbnail;
3021        CharSequence description;
3022    }
3023
3024    private final class ProviderRefCount {
3025        public int count;
3026        ProviderRefCount(int pCount) {
3027            count = pCount;
3028        }
3029    }
3030
3031    private final void performStopActivityInner(ActivityRecord r,
3032            StopInfo info, boolean keepShown) {
3033        if (localLOGV) Log.v(TAG, "Performing stop of " + r);
3034        if (r != null) {
3035            if (!keepShown && r.stopped) {
3036                if (r.activity.mFinished) {
3037                    // If we are finishing, we won't call onResume() in certain
3038                    // cases.  So here we likewise don't want to call onStop()
3039                    // if the activity isn't resumed.
3040                    return;
3041                }
3042                RuntimeException e = new RuntimeException(
3043                        "Performing stop of activity that is not resumed: "
3044                        + r.intent.getComponent().toShortString());
3045                Log.e(TAG, e.getMessage(), e);
3046            }
3047
3048            if (info != null) {
3049                try {
3050                    // First create a thumbnail for the activity...
3051                    //info.thumbnail = createThumbnailBitmap(r);
3052                    info.description = r.activity.onCreateDescription();
3053                } catch (Exception e) {
3054                    if (!mInstrumentation.onException(r.activity, e)) {
3055                        throw new RuntimeException(
3056                                "Unable to save state of activity "
3057                                + r.intent.getComponent().toShortString()
3058                                + ": " + e.toString(), e);
3059                    }
3060                }
3061            }
3062
3063            if (!keepShown) {
3064                try {
3065                    // Now we are idle.
3066                    r.activity.performStop();
3067                } catch (Exception e) {
3068                    if (!mInstrumentation.onException(r.activity, e)) {
3069                        throw new RuntimeException(
3070                                "Unable to stop activity "
3071                                + r.intent.getComponent().toShortString()
3072                                + ": " + e.toString(), e);
3073                    }
3074                }
3075                r.stopped = true;
3076            }
3077
3078            r.paused = true;
3079        }
3080    }
3081
3082    private final void updateVisibility(ActivityRecord r, boolean show) {
3083        View v = r.activity.mDecor;
3084        if (v != null) {
3085            if (show) {
3086                if (!r.activity.mVisibleFromServer) {
3087                    r.activity.mVisibleFromServer = true;
3088                    mNumVisibleActivities++;
3089                    if (r.activity.mVisibleFromClient) {
3090                        r.activity.makeVisible();
3091                    }
3092                }
3093                if (r.newConfig != null) {
3094                    performConfigurationChanged(r.activity, r.newConfig);
3095                    r.newConfig = null;
3096                }
3097            } else {
3098                if (r.activity.mVisibleFromServer) {
3099                    r.activity.mVisibleFromServer = false;
3100                    mNumVisibleActivities--;
3101                    v.setVisibility(View.INVISIBLE);
3102                }
3103            }
3104        }
3105    }
3106
3107    private final void handleStopActivity(IBinder token, boolean show, int configChanges) {
3108        ActivityRecord r = mActivities.get(token);
3109        r.activity.mConfigChangeFlags |= configChanges;
3110
3111        StopInfo info = new StopInfo();
3112        performStopActivityInner(r, info, show);
3113
3114        if (localLOGV) Log.v(
3115            TAG, "Finishing stop of " + r + ": show=" + show
3116            + " win=" + r.window);
3117
3118        updateVisibility(r, show);
3119
3120        // Tell activity manager we have been stopped.
3121        try {
3122            ActivityManagerNative.getDefault().activityStopped(
3123                r.token, info.thumbnail, info.description);
3124        } catch (RemoteException ex) {
3125        }
3126    }
3127
3128    final void performRestartActivity(IBinder token) {
3129        ActivityRecord r = mActivities.get(token);
3130        if (r.stopped) {
3131            r.activity.performRestart();
3132            r.stopped = false;
3133        }
3134    }
3135
3136    private final void handleWindowVisibility(IBinder token, boolean show) {
3137        ActivityRecord r = mActivities.get(token);
3138        if (!show && !r.stopped) {
3139            performStopActivityInner(r, null, show);
3140        } else if (show && r.stopped) {
3141            // If we are getting ready to gc after going to the background, well
3142            // we are back active so skip it.
3143            unscheduleGcIdler();
3144
3145            r.activity.performRestart();
3146            r.stopped = false;
3147        }
3148        if (r.activity.mDecor != null) {
3149            if (Config.LOGV) Log.v(
3150                TAG, "Handle window " + r + " visibility: " + show);
3151            updateVisibility(r, show);
3152        }
3153    }
3154
3155    private final void deliverResults(ActivityRecord r, List<ResultInfo> results) {
3156        final int N = results.size();
3157        for (int i=0; i<N; i++) {
3158            ResultInfo ri = results.get(i);
3159            try {
3160                if (ri.mData != null) {
3161                    ri.mData.setExtrasClassLoader(r.activity.getClassLoader());
3162                }
3163                if (DEBUG_RESULTS) Log.v(TAG,
3164                        "Delivering result to activity " + r + " : " + ri);
3165                r.activity.dispatchActivityResult(ri.mResultWho,
3166                        ri.mRequestCode, ri.mResultCode, ri.mData);
3167            } catch (Exception e) {
3168                if (!mInstrumentation.onException(r.activity, e)) {
3169                    throw new RuntimeException(
3170                            "Failure delivering result " + ri + " to activity "
3171                            + r.intent.getComponent().toShortString()
3172                            + ": " + e.toString(), e);
3173                }
3174            }
3175        }
3176    }
3177
3178    private final void handleSendResult(ResultData res) {
3179        ActivityRecord r = mActivities.get(res.token);
3180        if (DEBUG_RESULTS) Log.v(TAG, "Handling send result to " + r);
3181        if (r != null) {
3182            final boolean resumed = !r.paused;
3183            if (!r.activity.mFinished && r.activity.mDecor != null
3184                    && r.hideForNow && resumed) {
3185                // We had hidden the activity because it started another
3186                // one...  we have gotten a result back and we are not
3187                // paused, so make sure our window is visible.
3188                updateVisibility(r, true);
3189            }
3190            if (resumed) {
3191                try {
3192                    // Now we are idle.
3193                    r.activity.mCalled = false;
3194                    mInstrumentation.callActivityOnPause(r.activity);
3195                    if (!r.activity.mCalled) {
3196                        throw new SuperNotCalledException(
3197                            "Activity " + r.intent.getComponent().toShortString()
3198                            + " did not call through to super.onPause()");
3199                    }
3200                } catch (SuperNotCalledException e) {
3201                    throw e;
3202                } catch (Exception e) {
3203                    if (!mInstrumentation.onException(r.activity, e)) {
3204                        throw new RuntimeException(
3205                                "Unable to pause activity "
3206                                + r.intent.getComponent().toShortString()
3207                                + ": " + e.toString(), e);
3208                    }
3209                }
3210            }
3211            deliverResults(r, res.results);
3212            if (resumed) {
3213                mInstrumentation.callActivityOnResume(r.activity);
3214            }
3215        }
3216    }
3217
3218    public final ActivityRecord performDestroyActivity(IBinder token, boolean finishing) {
3219        return performDestroyActivity(token, finishing, 0, false);
3220    }
3221
3222    private final ActivityRecord performDestroyActivity(IBinder token, boolean finishing,
3223            int configChanges, boolean getNonConfigInstance) {
3224        ActivityRecord r = mActivities.get(token);
3225        if (localLOGV) Log.v(TAG, "Performing finish of " + r);
3226        if (r != null) {
3227            r.activity.mConfigChangeFlags |= configChanges;
3228            if (finishing) {
3229                r.activity.mFinished = true;
3230            }
3231            if (!r.paused) {
3232                try {
3233                    r.activity.mCalled = false;
3234                    mInstrumentation.callActivityOnPause(r.activity);
3235                    EventLog.writeEvent(LOG_ON_PAUSE_CALLED,
3236                            r.activity.getComponentName().getClassName());
3237                    if (!r.activity.mCalled) {
3238                        throw new SuperNotCalledException(
3239                            "Activity " + safeToComponentShortString(r.intent)
3240                            + " did not call through to super.onPause()");
3241                    }
3242                } catch (SuperNotCalledException e) {
3243                    throw e;
3244                } catch (Exception e) {
3245                    if (!mInstrumentation.onException(r.activity, e)) {
3246                        throw new RuntimeException(
3247                                "Unable to pause activity "
3248                                + safeToComponentShortString(r.intent)
3249                                + ": " + e.toString(), e);
3250                    }
3251                }
3252                r.paused = true;
3253            }
3254            if (!r.stopped) {
3255                try {
3256                    r.activity.performStop();
3257                } catch (SuperNotCalledException e) {
3258                    throw e;
3259                } catch (Exception e) {
3260                    if (!mInstrumentation.onException(r.activity, e)) {
3261                        throw new RuntimeException(
3262                                "Unable to stop activity "
3263                                + safeToComponentShortString(r.intent)
3264                                + ": " + e.toString(), e);
3265                    }
3266                }
3267                r.stopped = true;
3268            }
3269            if (getNonConfigInstance) {
3270                try {
3271                    r.lastNonConfigurationInstance
3272                            = r.activity.onRetainNonConfigurationInstance();
3273                } catch (Exception e) {
3274                    if (!mInstrumentation.onException(r.activity, e)) {
3275                        throw new RuntimeException(
3276                                "Unable to retain activity "
3277                                + r.intent.getComponent().toShortString()
3278                                + ": " + e.toString(), e);
3279                    }
3280                }
3281                try {
3282                    r.lastNonConfigurationChildInstances
3283                            = r.activity.onRetainNonConfigurationChildInstances();
3284                } catch (Exception e) {
3285                    if (!mInstrumentation.onException(r.activity, e)) {
3286                        throw new RuntimeException(
3287                                "Unable to retain child activities "
3288                                + safeToComponentShortString(r.intent)
3289                                + ": " + e.toString(), e);
3290                    }
3291                }
3292
3293            }
3294            try {
3295                r.activity.mCalled = false;
3296                r.activity.onDestroy();
3297                if (!r.activity.mCalled) {
3298                    throw new SuperNotCalledException(
3299                        "Activity " + safeToComponentShortString(r.intent) +
3300                        " did not call through to super.onDestroy()");
3301                }
3302                if (r.window != null) {
3303                    r.window.closeAllPanels();
3304                }
3305            } catch (SuperNotCalledException e) {
3306                throw e;
3307            } catch (Exception e) {
3308                if (!mInstrumentation.onException(r.activity, e)) {
3309                    throw new RuntimeException(
3310                            "Unable to destroy activity " + safeToComponentShortString(r.intent)
3311                            + ": " + e.toString(), e);
3312                }
3313            }
3314        }
3315        mActivities.remove(token);
3316
3317        return r;
3318    }
3319
3320    private static String safeToComponentShortString(Intent intent) {
3321        ComponentName component = intent.getComponent();
3322        return component == null ? "[Unknown]" : component.toShortString();
3323    }
3324
3325    private final void handleDestroyActivity(IBinder token, boolean finishing,
3326            int configChanges, boolean getNonConfigInstance) {
3327        ActivityRecord r = performDestroyActivity(token, finishing,
3328                configChanges, getNonConfigInstance);
3329        if (r != null) {
3330            WindowManager wm = r.activity.getWindowManager();
3331            View v = r.activity.mDecor;
3332            if (v != null) {
3333                if (r.activity.mVisibleFromServer) {
3334                    mNumVisibleActivities--;
3335                }
3336                IBinder wtoken = v.getWindowToken();
3337                if (r.activity.mWindowAdded) {
3338                    wm.removeViewImmediate(v);
3339                }
3340                if (wtoken != null) {
3341                    WindowManagerImpl.getDefault().closeAll(wtoken,
3342                            r.activity.getClass().getName(), "Activity");
3343                }
3344                r.activity.mDecor = null;
3345            }
3346            WindowManagerImpl.getDefault().closeAll(token,
3347                    r.activity.getClass().getName(), "Activity");
3348
3349            // Mocked out contexts won't be participating in the normal
3350            // process lifecycle, but if we're running with a proper
3351            // ApplicationContext we need to have it tear down things
3352            // cleanly.
3353            Context c = r.activity.getBaseContext();
3354            if (c instanceof ApplicationContext) {
3355                ((ApplicationContext) c).scheduleFinalCleanup(
3356                        r.activity.getClass().getName(), "Activity");
3357            }
3358        }
3359        if (finishing) {
3360            try {
3361                ActivityManagerNative.getDefault().activityDestroyed(token);
3362            } catch (RemoteException ex) {
3363                // If the system process has died, it's game over for everyone.
3364            }
3365        }
3366    }
3367
3368    private final void handleRelaunchActivity(ActivityRecord tmp, int configChanges) {
3369        // If we are getting ready to gc after going to the background, well
3370        // we are back active so skip it.
3371        unscheduleGcIdler();
3372
3373        Configuration changedConfig = null;
3374
3375        // First: make sure we have the most recent configuration and most
3376        // recent version of the activity, or skip it if some previous call
3377        // had taken a more recent version.
3378        synchronized (mRelaunchingActivities) {
3379            int N = mRelaunchingActivities.size();
3380            IBinder token = tmp.token;
3381            tmp = null;
3382            for (int i=0; i<N; i++) {
3383                ActivityRecord r = mRelaunchingActivities.get(i);
3384                if (r.token == token) {
3385                    tmp = r;
3386                    mRelaunchingActivities.remove(i);
3387                    i--;
3388                    N--;
3389                }
3390            }
3391
3392            if (tmp == null) {
3393                return;
3394            }
3395
3396            if (mPendingConfiguration != null) {
3397                changedConfig = mPendingConfiguration;
3398                mPendingConfiguration = null;
3399            }
3400        }
3401
3402        // If there was a pending configuration change, execute it first.
3403        if (changedConfig != null) {
3404            handleConfigurationChanged(changedConfig);
3405        }
3406
3407        ActivityRecord r = mActivities.get(tmp.token);
3408        if (localLOGV) Log.v(TAG, "Handling relaunch of " + r);
3409        if (r == null) {
3410            return;
3411        }
3412
3413        r.activity.mConfigChangeFlags |= configChanges;
3414        Intent currentIntent = r.activity.mIntent;
3415
3416        Bundle savedState = null;
3417        if (!r.paused) {
3418            savedState = performPauseActivity(r.token, false, true);
3419        }
3420
3421        handleDestroyActivity(r.token, false, configChanges, true);
3422
3423        r.activity = null;
3424        r.window = null;
3425        r.hideForNow = false;
3426        r.nextIdle = null;
3427        // Merge any pending results and pending intents; don't just replace them
3428        if (tmp.pendingResults != null) {
3429            if (r.pendingResults == null) {
3430                r.pendingResults = tmp.pendingResults;
3431            } else {
3432                r.pendingResults.addAll(tmp.pendingResults);
3433            }
3434        }
3435        if (tmp.pendingIntents != null) {
3436            if (r.pendingIntents == null) {
3437                r.pendingIntents = tmp.pendingIntents;
3438            } else {
3439                r.pendingIntents.addAll(tmp.pendingIntents);
3440            }
3441        }
3442        r.startsNotResumed = tmp.startsNotResumed;
3443        if (savedState != null) {
3444            r.state = savedState;
3445        }
3446
3447        handleLaunchActivity(r, currentIntent);
3448    }
3449
3450    private final void handleRequestThumbnail(IBinder token) {
3451        ActivityRecord r = mActivities.get(token);
3452        Bitmap thumbnail = createThumbnailBitmap(r);
3453        CharSequence description = null;
3454        try {
3455            description = r.activity.onCreateDescription();
3456        } catch (Exception e) {
3457            if (!mInstrumentation.onException(r.activity, e)) {
3458                throw new RuntimeException(
3459                        "Unable to create description of activity "
3460                        + r.intent.getComponent().toShortString()
3461                        + ": " + e.toString(), e);
3462            }
3463        }
3464        //System.out.println("Reporting top thumbnail " + thumbnail);
3465        try {
3466            ActivityManagerNative.getDefault().reportThumbnail(
3467                token, thumbnail, description);
3468        } catch (RemoteException ex) {
3469        }
3470    }
3471
3472    ArrayList<ComponentCallbacks> collectComponentCallbacksLocked(
3473            boolean allActivities, Configuration newConfig) {
3474        ArrayList<ComponentCallbacks> callbacks
3475                = new ArrayList<ComponentCallbacks>();
3476
3477        if (mActivities.size() > 0) {
3478            Iterator<ActivityRecord> it = mActivities.values().iterator();
3479            while (it.hasNext()) {
3480                ActivityRecord ar = it.next();
3481                Activity a = ar.activity;
3482                if (a != null) {
3483                    if (!ar.activity.mFinished && (allActivities ||
3484                            (a != null && !ar.paused))) {
3485                        // If the activity is currently resumed, its configuration
3486                        // needs to change right now.
3487                        callbacks.add(a);
3488                    } else if (newConfig != null) {
3489                        // Otherwise, we will tell it about the change
3490                        // the next time it is resumed or shown.  Note that
3491                        // the activity manager may, before then, decide the
3492                        // activity needs to be destroyed to handle its new
3493                        // configuration.
3494                        ar.newConfig = newConfig;
3495                    }
3496                }
3497            }
3498        }
3499        if (mServices.size() > 0) {
3500            Iterator<Service> it = mServices.values().iterator();
3501            while (it.hasNext()) {
3502                callbacks.add(it.next());
3503            }
3504        }
3505        synchronized (mProviderMap) {
3506            if (mLocalProviders.size() > 0) {
3507                Iterator<ProviderRecord> it = mLocalProviders.values().iterator();
3508                while (it.hasNext()) {
3509                    callbacks.add(it.next().mLocalProvider);
3510                }
3511            }
3512        }
3513        final int N = mAllApplications.size();
3514        for (int i=0; i<N; i++) {
3515            callbacks.add(mAllApplications.get(i));
3516        }
3517
3518        return callbacks;
3519    }
3520
3521    private final void performConfigurationChanged(
3522            ComponentCallbacks cb, Configuration config) {
3523        // Only for Activity objects, check that they actually call up to their
3524        // superclass implementation.  ComponentCallbacks is an interface, so
3525        // we check the runtime type and act accordingly.
3526        Activity activity = (cb instanceof Activity) ? (Activity) cb : null;
3527        if (activity != null) {
3528            activity.mCalled = false;
3529        }
3530
3531        boolean shouldChangeConfig = false;
3532        if ((activity == null) || (activity.mCurrentConfig == null)) {
3533            shouldChangeConfig = true;
3534        } else {
3535
3536            // If the new config is the same as the config this Activity
3537            // is already running with then don't bother calling
3538            // onConfigurationChanged
3539            int diff = activity.mCurrentConfig.diff(config);
3540            if (diff != 0) {
3541
3542                // If this activity doesn't handle any of the config changes
3543                // then don't bother calling onConfigurationChanged as we're
3544                // going to destroy it.
3545                if ((~activity.mActivityInfo.configChanges & diff) == 0) {
3546                    shouldChangeConfig = true;
3547                }
3548            }
3549        }
3550
3551        if (shouldChangeConfig) {
3552            cb.onConfigurationChanged(config);
3553
3554            if (activity != null) {
3555                if (!activity.mCalled) {
3556                    throw new SuperNotCalledException(
3557                            "Activity " + activity.getLocalClassName() +
3558                        " did not call through to super.onConfigurationChanged()");
3559                }
3560                activity.mConfigChangeFlags = 0;
3561                activity.mCurrentConfig = new Configuration(config);
3562            }
3563        }
3564    }
3565
3566    final void handleConfigurationChanged(Configuration config) {
3567
3568        synchronized (mRelaunchingActivities) {
3569            if (mPendingConfiguration != null) {
3570                config = mPendingConfiguration;
3571                mPendingConfiguration = null;
3572            }
3573        }
3574
3575        ArrayList<ComponentCallbacks> callbacks
3576                = new ArrayList<ComponentCallbacks>();
3577
3578        synchronized(mPackages) {
3579            if (mConfiguration == null) {
3580                mConfiguration = new Configuration();
3581            }
3582            mConfiguration.updateFrom(config);
3583            DisplayMetrics dm = getDisplayMetricsLocked(true);
3584
3585            // set it for java, this also affects newly created Resources
3586            if (config.locale != null) {
3587                Locale.setDefault(config.locale);
3588            }
3589
3590            Resources.updateSystemConfiguration(config, null);
3591
3592            ApplicationContext.ApplicationPackageManager.configurationChanged();
3593            //Log.i(TAG, "Configuration changed in " + currentPackageName());
3594            {
3595                Iterator<WeakReference<Resources>> it =
3596                    mActiveResources.values().iterator();
3597                //Iterator<Map.Entry<String, WeakReference<Resources>>> it =
3598                //    mActiveResources.entrySet().iterator();
3599                while (it.hasNext()) {
3600                    WeakReference<Resources> v = it.next();
3601                    Resources r = v.get();
3602                    if (r != null) {
3603                        r.updateConfiguration(config, dm);
3604                        //Log.i(TAG, "Updated app resources " + v.getKey()
3605                        //        + " " + r + ": " + r.getConfiguration());
3606                    } else {
3607                        //Log.i(TAG, "Removing old resources " + v.getKey());
3608                        it.remove();
3609                    }
3610                }
3611            }
3612
3613            callbacks = collectComponentCallbacksLocked(false, config);
3614        }
3615
3616        final int N = callbacks.size();
3617        for (int i=0; i<N; i++) {
3618            performConfigurationChanged(callbacks.get(i), config);
3619        }
3620    }
3621
3622    final void handleActivityConfigurationChanged(IBinder token) {
3623        ActivityRecord r = mActivities.get(token);
3624        if (r == null || r.activity == null) {
3625            return;
3626        }
3627
3628        performConfigurationChanged(r.activity, mConfiguration);
3629    }
3630
3631    final void handleProfilerControl(boolean start, ProfilerControlData pcd) {
3632        if (start) {
3633            try {
3634                Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(),
3635                        8 * 1024 * 1024, 0);
3636            } catch (RuntimeException e) {
3637                Log.w(TAG, "Profiling failed on path " + pcd.path
3638                        + " -- can the process access this path?");
3639            } finally {
3640                try {
3641                    pcd.fd.close();
3642                } catch (IOException e) {
3643                    Log.w(TAG, "Failure closing profile fd", e);
3644                }
3645            }
3646        } else {
3647            Debug.stopMethodTracing();
3648        }
3649    }
3650
3651    final void handleLowMemory() {
3652        ArrayList<ComponentCallbacks> callbacks
3653                = new ArrayList<ComponentCallbacks>();
3654
3655        synchronized(mPackages) {
3656            callbacks = collectComponentCallbacksLocked(true, null);
3657        }
3658
3659        final int N = callbacks.size();
3660        for (int i=0; i<N; i++) {
3661            callbacks.get(i).onLowMemory();
3662        }
3663
3664        // Ask SQLite to free up as much memory as it can, mostly from its page caches.
3665        if (Process.myUid() != Process.SYSTEM_UID) {
3666            int sqliteReleased = SQLiteDatabase.releaseMemory();
3667            EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased);
3668        }
3669
3670        // Ask graphics to free up as much as possible (font/image caches)
3671        Canvas.freeCaches();
3672
3673        BinderInternal.forceGc("mem");
3674    }
3675
3676    private final void handleBindApplication(AppBindData data) {
3677        mBoundApplication = data;
3678        mConfiguration = new Configuration(data.config);
3679
3680        // We now rely on this being set by zygote.
3681        //Process.setGid(data.appInfo.gid);
3682        //Process.setUid(data.appInfo.uid);
3683
3684        // send up app name; do this *before* waiting for debugger
3685        android.ddm.DdmHandleAppName.setAppName(data.processName);
3686
3687        /*
3688         * Before spawning a new process, reset the time zone to be the system time zone.
3689         * This needs to be done because the system time zone could have changed after the
3690         * the spawning of this process. Without doing this this process would have the incorrect
3691         * system time zone.
3692         */
3693        TimeZone.setDefault(null);
3694
3695        /*
3696         * Initialize the default locale in this process for the reasons we set the time zone.
3697         */
3698        Locale.setDefault(data.config.locale);
3699
3700        data.info = getPackageInfoNoCheck(data.appInfo);
3701
3702        if (data.debugMode != IApplicationThread.DEBUG_OFF) {
3703            // XXX should have option to change the port.
3704            Debug.changeDebugPort(8100);
3705            if (data.debugMode == IApplicationThread.DEBUG_WAIT) {
3706                Log.w(TAG, "Application " + data.info.getPackageName()
3707                      + " is waiting for the debugger on port 8100...");
3708
3709                IActivityManager mgr = ActivityManagerNative.getDefault();
3710                try {
3711                    mgr.showWaitingForDebugger(mAppThread, true);
3712                } catch (RemoteException ex) {
3713                }
3714
3715                Debug.waitForDebugger();
3716
3717                try {
3718                    mgr.showWaitingForDebugger(mAppThread, false);
3719                } catch (RemoteException ex) {
3720                }
3721
3722            } else {
3723                Log.w(TAG, "Application " + data.info.getPackageName()
3724                      + " can be debugged on port 8100...");
3725            }
3726        }
3727
3728        if (data.instrumentationName != null) {
3729            ApplicationContext appContext = new ApplicationContext();
3730            appContext.init(data.info, null, this);
3731            InstrumentationInfo ii = null;
3732            try {
3733                ii = appContext.getPackageManager().
3734                    getInstrumentationInfo(data.instrumentationName, 0);
3735            } catch (PackageManager.NameNotFoundException e) {
3736            }
3737            if (ii == null) {
3738                throw new RuntimeException(
3739                    "Unable to find instrumentation info for: "
3740                    + data.instrumentationName);
3741            }
3742
3743            mInstrumentationAppDir = ii.sourceDir;
3744            mInstrumentationAppPackage = ii.packageName;
3745            mInstrumentedAppDir = data.info.getAppDir();
3746
3747            ApplicationInfo instrApp = new ApplicationInfo();
3748            instrApp.packageName = ii.packageName;
3749            instrApp.sourceDir = ii.sourceDir;
3750            instrApp.publicSourceDir = ii.publicSourceDir;
3751            instrApp.dataDir = ii.dataDir;
3752            PackageInfo pi = getPackageInfo(instrApp,
3753                    appContext.getClassLoader(), false, true);
3754            ApplicationContext instrContext = new ApplicationContext();
3755            instrContext.init(pi, null, this);
3756
3757            try {
3758                java.lang.ClassLoader cl = instrContext.getClassLoader();
3759                mInstrumentation = (Instrumentation)
3760                    cl.loadClass(data.instrumentationName.getClassName()).newInstance();
3761            } catch (Exception e) {
3762                throw new RuntimeException(
3763                    "Unable to instantiate instrumentation "
3764                    + data.instrumentationName + ": " + e.toString(), e);
3765            }
3766
3767            mInstrumentation.init(this, instrContext, appContext,
3768                    new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher);
3769
3770            if (data.profileFile != null && !ii.handleProfiling) {
3771                data.handlingProfiling = true;
3772                File file = new File(data.profileFile);
3773                file.getParentFile().mkdirs();
3774                Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
3775            }
3776
3777            try {
3778                mInstrumentation.onCreate(data.instrumentationArgs);
3779            }
3780            catch (Exception e) {
3781                throw new RuntimeException(
3782                    "Exception thrown in onCreate() of "
3783                    + data.instrumentationName + ": " + e.toString(), e);
3784            }
3785
3786        } else {
3787            mInstrumentation = new Instrumentation();
3788        }
3789
3790        // If the app is being launched for full backup or restore, bring it up in
3791        // a restricted environment with the base application class.
3792        Application app = data.info.makeApplication(data.restrictedBackupMode);
3793        mInitialApplication = app;
3794
3795        List<ProviderInfo> providers = data.providers;
3796        if (providers != null) {
3797            installContentProviders(app, providers);
3798        }
3799
3800        try {
3801            mInstrumentation.callApplicationOnCreate(app);
3802        } catch (Exception e) {
3803            if (!mInstrumentation.onException(app, e)) {
3804                throw new RuntimeException(
3805                    "Unable to create application " + app.getClass().getName()
3806                    + ": " + e.toString(), e);
3807            }
3808        }
3809    }
3810
3811    /*package*/ final void finishInstrumentation(int resultCode, Bundle results) {
3812        IActivityManager am = ActivityManagerNative.getDefault();
3813        if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) {
3814            Debug.stopMethodTracing();
3815        }
3816        //Log.i(TAG, "am: " + ActivityManagerNative.getDefault()
3817        //      + ", app thr: " + mAppThread);
3818        try {
3819            am.finishInstrumentation(mAppThread, resultCode, results);
3820        } catch (RemoteException ex) {
3821        }
3822    }
3823
3824    private final void installContentProviders(
3825            Context context, List<ProviderInfo> providers) {
3826        final ArrayList<IActivityManager.ContentProviderHolder> results =
3827            new ArrayList<IActivityManager.ContentProviderHolder>();
3828
3829        Iterator<ProviderInfo> i = providers.iterator();
3830        while (i.hasNext()) {
3831            ProviderInfo cpi = i.next();
3832            StringBuilder buf = new StringBuilder(128);
3833            buf.append("Publishing provider ");
3834            buf.append(cpi.authority);
3835            buf.append(": ");
3836            buf.append(cpi.name);
3837            Log.i(TAG, buf.toString());
3838            IContentProvider cp = installProvider(context, null, cpi, false);
3839            if (cp != null) {
3840                IActivityManager.ContentProviderHolder cph =
3841                    new IActivityManager.ContentProviderHolder(cpi);
3842                cph.provider = cp;
3843                results.add(cph);
3844                // Don't ever unload this provider from the process.
3845                synchronized(mProviderMap) {
3846                    mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000));
3847                }
3848            }
3849        }
3850
3851        try {
3852            ActivityManagerNative.getDefault().publishContentProviders(
3853                getApplicationThread(), results);
3854        } catch (RemoteException ex) {
3855        }
3856    }
3857
3858    private final IContentProvider getProvider(Context context, String name) {
3859        synchronized(mProviderMap) {
3860            final ProviderRecord pr = mProviderMap.get(name);
3861            if (pr != null) {
3862                return pr.mProvider;
3863            }
3864        }
3865
3866        IActivityManager.ContentProviderHolder holder = null;
3867        try {
3868            holder = ActivityManagerNative.getDefault().getContentProvider(
3869                getApplicationThread(), name);
3870        } catch (RemoteException ex) {
3871        }
3872        if (holder == null) {
3873            Log.e(TAG, "Failed to find provider info for " + name);
3874            return null;
3875        }
3876        if (holder.permissionFailure != null) {
3877            throw new SecurityException("Permission " + holder.permissionFailure
3878                    + " required for provider " + name);
3879        }
3880
3881        IContentProvider prov = installProvider(context, holder.provider,
3882                holder.info, true);
3883        //Log.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded);
3884        if (holder.noReleaseNeeded || holder.provider == null) {
3885            // We are not going to release the provider if it is an external
3886            // provider that doesn't care about being released, or if it is
3887            // a local provider running in this process.
3888            //Log.i(TAG, "*** NO RELEASE NEEDED");
3889            synchronized(mProviderMap) {
3890                mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000));
3891            }
3892        }
3893        return prov;
3894    }
3895
3896    public final IContentProvider acquireProvider(Context c, String name) {
3897        IContentProvider provider = getProvider(c, name);
3898        if(provider == null)
3899            return null;
3900        IBinder jBinder = provider.asBinder();
3901        synchronized(mProviderMap) {
3902            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
3903            if(prc == null) {
3904                mProviderRefCountMap.put(jBinder, new ProviderRefCount(1));
3905            } else {
3906                prc.count++;
3907            } //end else
3908        } //end synchronized
3909        return provider;
3910    }
3911
3912    public final boolean releaseProvider(IContentProvider provider) {
3913        if(provider == null) {
3914            return false;
3915        }
3916        IBinder jBinder = provider.asBinder();
3917        synchronized(mProviderMap) {
3918            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
3919            if(prc == null) {
3920                if(localLOGV) Log.v(TAG, "releaseProvider::Weird shouldnt be here");
3921                return false;
3922            } else {
3923                prc.count--;
3924                if(prc.count == 0) {
3925                    mProviderRefCountMap.remove(jBinder);
3926                    //invoke removeProvider to dereference provider
3927                    removeProviderLocked(provider);
3928                } //end if
3929            } //end else
3930        } //end synchronized
3931        return true;
3932    }
3933
3934    public final void removeProviderLocked(IContentProvider provider) {
3935        if (provider == null) {
3936            return;
3937        }
3938        IBinder providerBinder = provider.asBinder();
3939        boolean amRemoveFlag = false;
3940
3941        // remove the provider from mProviderMap
3942        Iterator<ProviderRecord> iter = mProviderMap.values().iterator();
3943        while (iter.hasNext()) {
3944            ProviderRecord pr = iter.next();
3945            IBinder myBinder = pr.mProvider.asBinder();
3946            if (myBinder == providerBinder) {
3947                //find if its published by this process itself
3948                if(pr.mLocalProvider != null) {
3949                    if(localLOGV) Log.i(TAG, "removeProvider::found local provider returning");
3950                    return;
3951                }
3952                if(localLOGV) Log.v(TAG, "removeProvider::Not local provider Unlinking " +
3953                        "death recipient");
3954                //content provider is in another process
3955                myBinder.unlinkToDeath(pr, 0);
3956                iter.remove();
3957                //invoke remove only once for the very first name seen
3958                if(!amRemoveFlag) {
3959                    try {
3960                        if(localLOGV) Log.v(TAG, "removeProvider::Invoking " +
3961                                "ActivityManagerNative.removeContentProvider("+pr.mName);
3962                        ActivityManagerNative.getDefault().removeContentProvider(getApplicationThread(), pr.mName);
3963                        amRemoveFlag = true;
3964                    } catch (RemoteException e) {
3965                        //do nothing content provider object is dead any way
3966                    } //end catch
3967                }
3968            } //end if myBinder
3969        }  //end while iter
3970    }
3971
3972    final void removeDeadProvider(String name, IContentProvider provider) {
3973        synchronized(mProviderMap) {
3974            ProviderRecord pr = mProviderMap.get(name);
3975            if (pr.mProvider.asBinder() == provider.asBinder()) {
3976                Log.i(TAG, "Removing dead content provider: " + name);
3977                mProviderMap.remove(name);
3978            }
3979        }
3980    }
3981
3982    final void removeDeadProviderLocked(String name, IContentProvider provider) {
3983        ProviderRecord pr = mProviderMap.get(name);
3984        if (pr.mProvider.asBinder() == provider.asBinder()) {
3985            Log.i(TAG, "Removing dead content provider: " + name);
3986            mProviderMap.remove(name);
3987        }
3988    }
3989
3990    private final IContentProvider installProvider(Context context,
3991            IContentProvider provider, ProviderInfo info, boolean noisy) {
3992        ContentProvider localProvider = null;
3993        if (provider == null) {
3994            if (noisy) {
3995                Log.d(TAG, "Loading provider " + info.authority + ": "
3996                        + info.name);
3997            }
3998            Context c = null;
3999            ApplicationInfo ai = info.applicationInfo;
4000            if (context.getPackageName().equals(ai.packageName)) {
4001                c = context;
4002            } else if (mInitialApplication != null &&
4003                    mInitialApplication.getPackageName().equals(ai.packageName)) {
4004                c = mInitialApplication;
4005            } else {
4006                try {
4007                    c = context.createPackageContext(ai.packageName,
4008                            Context.CONTEXT_INCLUDE_CODE);
4009                } catch (PackageManager.NameNotFoundException e) {
4010                }
4011            }
4012            if (c == null) {
4013                Log.w(TAG, "Unable to get context for package " +
4014                      ai.packageName +
4015                      " while loading content provider " +
4016                      info.name);
4017                return null;
4018            }
4019            try {
4020                final java.lang.ClassLoader cl = c.getClassLoader();
4021                localProvider = (ContentProvider)cl.
4022                    loadClass(info.name).newInstance();
4023                provider = localProvider.getIContentProvider();
4024                if (provider == null) {
4025                    Log.e(TAG, "Failed to instantiate class " +
4026                          info.name + " from sourceDir " +
4027                          info.applicationInfo.sourceDir);
4028                    return null;
4029                }
4030                if (Config.LOGV) Log.v(
4031                    TAG, "Instantiating local provider " + info.name);
4032                // XXX Need to create the correct context for this provider.
4033                localProvider.attachInfo(c, info);
4034            } catch (java.lang.Exception e) {
4035                if (!mInstrumentation.onException(null, e)) {
4036                    throw new RuntimeException(
4037                            "Unable to get provider " + info.name
4038                            + ": " + e.toString(), e);
4039                }
4040                return null;
4041            }
4042        } else if (localLOGV) {
4043            Log.v(TAG, "Installing external provider " + info.authority + ": "
4044                    + info.name);
4045        }
4046
4047        synchronized (mProviderMap) {
4048            // Cache the pointer for the remote provider.
4049            String names[] = PATTERN_SEMICOLON.split(info.authority);
4050            for (int i=0; i<names.length; i++) {
4051                ProviderRecord pr = new ProviderRecord(names[i], provider,
4052                        localProvider);
4053                try {
4054                    provider.asBinder().linkToDeath(pr, 0);
4055                    mProviderMap.put(names[i], pr);
4056                } catch (RemoteException e) {
4057                    return null;
4058                }
4059            }
4060            if (localProvider != null) {
4061                mLocalProviders.put(provider.asBinder(),
4062                        new ProviderRecord(null, provider, localProvider));
4063            }
4064        }
4065
4066        return provider;
4067    }
4068
4069    private final void attach(boolean system) {
4070        sThreadLocal.set(this);
4071        mSystemThread = system;
4072        AndroidHttpClient.setThreadBlocked(true);
4073        if (!system) {
4074            android.ddm.DdmHandleAppName.setAppName("<pre-initialized>");
4075            RuntimeInit.setApplicationObject(mAppThread.asBinder());
4076            IActivityManager mgr = ActivityManagerNative.getDefault();
4077            try {
4078                mgr.attachApplication(mAppThread);
4079            } catch (RemoteException ex) {
4080            }
4081        } else {
4082            // Don't set application object here -- if the system crashes,
4083            // we can't display an alert, we just want to die die die.
4084            android.ddm.DdmHandleAppName.setAppName("system_process");
4085            try {
4086                mInstrumentation = new Instrumentation();
4087                ApplicationContext context = new ApplicationContext();
4088                context.init(getSystemContext().mPackageInfo, null, this);
4089                Application app = Instrumentation.newApplication(Application.class, context);
4090                mAllApplications.add(app);
4091                mInitialApplication = app;
4092                app.onCreate();
4093            } catch (Exception e) {
4094                throw new RuntimeException(
4095                        "Unable to instantiate Application():" + e.toString(), e);
4096            }
4097        }
4098    }
4099
4100    private final void detach()
4101    {
4102        AndroidHttpClient.setThreadBlocked(false);
4103        sThreadLocal.set(null);
4104    }
4105
4106    public static final ActivityThread systemMain() {
4107        ActivityThread thread = new ActivityThread();
4108        thread.attach(true);
4109        return thread;
4110    }
4111
4112    public final void installSystemProviders(List providers) {
4113        if (providers != null) {
4114            installContentProviders(mInitialApplication,
4115                                    (List<ProviderInfo>)providers);
4116        }
4117    }
4118
4119    public static final void main(String[] args) {
4120        Process.setArgV0("<pre-initialized>");
4121
4122        Looper.prepareMainLooper();
4123
4124        ActivityThread thread = new ActivityThread();
4125        thread.attach(false);
4126
4127        Looper.loop();
4128
4129        if (Process.supportsProcesses()) {
4130            throw new RuntimeException("Main thread loop unexpectedly exited");
4131        }
4132
4133        thread.detach();
4134        String name;
4135        if (thread.mInitialApplication != null) name = thread.mInitialApplication.getPackageName();
4136        else name = "<unknown>";
4137        Log.i(TAG, "Main thread of " + name + " is now exiting");
4138    }
4139}
4140