ActivityThread.java revision ce229059e25066b36c99208a04e8e5696a76abf3 
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.ServiceConnection;
27import android.content.pm.ActivityInfo;
28import android.content.pm.ApplicationInfo;
29import android.content.pm.IPackageManager;
30import android.content.pm.InstrumentationInfo;
31import android.content.pm.PackageManager;
32import android.content.pm.ProviderInfo;
33import android.content.pm.ServiceInfo;
34import android.content.res.AssetManager;
35import android.content.res.Configuration;
36import android.content.res.Resources;
37import android.database.sqlite.SQLiteDatabase;
38import android.database.sqlite.SQLiteDebug;
39import android.graphics.Bitmap;
40import android.graphics.Canvas;
41import android.net.http.AndroidHttpClient;
42import android.os.Bundle;
43import android.os.Debug;
44import android.os.Handler;
45import android.os.IBinder;
46import android.os.Looper;
47import android.os.Message;
48import android.os.MessageQueue;
49import android.os.Process;
50import android.os.RemoteException;
51import android.os.ServiceManager;
52import android.os.SystemClock;
53import android.util.AndroidRuntimeException;
54import android.util.Config;
55import android.util.DisplayMetrics;
56import android.util.EventLog;
57import android.util.Log;
58import android.view.Display;
59import android.view.View;
60import android.view.ViewDebug;
61import android.view.ViewManager;
62import android.view.Window;
63import android.view.WindowManager;
64import android.view.WindowManagerImpl;
65
66import com.android.internal.os.BinderInternal;
67import com.android.internal.os.RuntimeInit;
68import com.android.internal.util.ArrayUtils;
69
70import org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl;
71
72import java.io.File;
73import java.io.FileDescriptor;
74import java.io.FileOutputStream;
75import java.io.PrintWriter;
76import java.lang.ref.WeakReference;
77import java.util.ArrayList;
78import java.util.HashMap;
79import java.util.Iterator;
80import java.util.List;
81import java.util.Locale;
82import java.util.Map;
83import java.util.TimeZone;
84import java.util.regex.Pattern;
85
86final class IntentReceiverLeaked extends AndroidRuntimeException {
87    public IntentReceiverLeaked(String msg) {
88        super(msg);
89    }
90}
91
92final class ServiceConnectionLeaked extends AndroidRuntimeException {
93    public ServiceConnectionLeaked(String msg) {
94        super(msg);
95    }
96}
97
98final class SuperNotCalledException extends AndroidRuntimeException {
99    public SuperNotCalledException(String msg) {
100        super(msg);
101    }
102}
103
104/**
105 * This manages the execution of the main thread in an
106 * application process, scheduling and executing activities,
107 * broadcasts, and other operations on it as the activity
108 * manager requests.
109 *
110 * {@hide}
111 */
112public final class ActivityThread {
113    private static final String TAG = "ActivityThread";
114    private static final boolean DEBUG = false;
115    private static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV;
116    private static final boolean DEBUG_BROADCAST = false;
117    private static final boolean DEBUG_RESULTS = false;
118    private static final long MIN_TIME_BETWEEN_GCS = 5*1000;
119    private static final Pattern PATTERN_SEMICOLON = Pattern.compile(";");
120    private static final int SQLITE_MEM_RELEASED_EVENT_LOG_TAG = 75003;
121    private static final int LOG_ON_PAUSE_CALLED = 30021;
122    private static final int LOG_ON_RESUME_CALLED = 30022;
123
124
125    public static final ActivityThread currentActivityThread() {
126        return (ActivityThread)sThreadLocal.get();
127    }
128
129    public static final String currentPackageName()
130    {
131        ActivityThread am = currentActivityThread();
132        return (am != null && am.mBoundApplication != null)
133            ? am.mBoundApplication.processName : null;
134    }
135
136    public static IPackageManager getPackageManager() {
137        if (sPackageManager != null) {
138            //Log.v("PackageManager", "returning cur default = " + sPackageManager);
139            return sPackageManager;
140        }
141        IBinder b = ServiceManager.getService("package");
142        //Log.v("PackageManager", "default service binder = " + b);
143        sPackageManager = IPackageManager.Stub.asInterface(b);
144        //Log.v("PackageManager", "default service = " + sPackageManager);
145        return sPackageManager;
146    }
147
148    DisplayMetrics getDisplayMetricsLocked(boolean forceUpdate) {
149        if (mDisplayMetrics != null && !forceUpdate) {
150            return mDisplayMetrics;
151        }
152        if (mDisplay == null) {
153            WindowManager wm = WindowManagerImpl.getDefault();
154            mDisplay = wm.getDefaultDisplay();
155        }
156        DisplayMetrics metrics = mDisplayMetrics = new DisplayMetrics();
157        mDisplay.getMetrics(metrics);
158        //Log.i("foo", "New metrics: w=" + metrics.widthPixels + " h="
159        //        + metrics.heightPixels + " den=" + metrics.density
160        //        + " xdpi=" + metrics.xdpi + " ydpi=" + metrics.ydpi);
161        return metrics;
162    }
163
164    Resources getTopLevelResources(String appDir) {
165        synchronized (mPackages) {
166            //Log.w(TAG, "getTopLevelResources: " + appDir);
167            WeakReference<Resources> wr = mActiveResources.get(appDir);
168            Resources r = wr != null ? wr.get() : null;
169            if (r != null && r.getAssets().isUpToDate()) {
170                //Log.w(TAG, "Returning cached resources " + r + " " + appDir);
171                return r;
172            }
173
174            //if (r != null) {
175            //    Log.w(TAG, "Throwing away out-of-date resources!!!! "
176            //            + r + " " + appDir);
177            //}
178
179            AssetManager assets = new AssetManager();
180            if (assets.addAssetPath(appDir) == 0) {
181                return null;
182            }
183            DisplayMetrics metrics = getDisplayMetricsLocked(false);
184            r = new Resources(assets, metrics, getConfiguration());
185            //Log.i(TAG, "Created app resources " + r + ": " + r.getConfiguration());
186            // XXX need to remove entries when weak references go away
187            mActiveResources.put(appDir, new WeakReference<Resources>(r));
188            return r;
189        }
190    }
191
192    final Handler getHandler() {
193        return mH;
194    }
195
196    public final static class PackageInfo {
197
198        private final ActivityThread mActivityThread;
199        private final ApplicationInfo mApplicationInfo;
200        private final String mPackageName;
201        private final String mAppDir;
202        private final String mResDir;
203        private final String[] mSharedLibraries;
204        private final String mDataDir;
205        private final File mDataDirFile;
206        private final ClassLoader mBaseClassLoader;
207        private final boolean mSecurityViolation;
208        private final boolean mIncludeCode;
209        private Resources mResources;
210        private ClassLoader mClassLoader;
211        private Application mApplication;
212        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mReceivers
213            = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
214        private final HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>> mUnregisteredReceivers
215        = new HashMap<Context, HashMap<BroadcastReceiver, ReceiverDispatcher>>();
216        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mServices
217            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
218        private final HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>> mUnboundServices
219            = new HashMap<Context, HashMap<ServiceConnection, ServiceDispatcher>>();
220
221        int mClientCount = 0;
222
223        public PackageInfo(ActivityThread activityThread, ApplicationInfo aInfo,
224                ActivityThread mainThread, ClassLoader baseLoader,
225                boolean securityViolation, boolean includeCode) {
226            mActivityThread = activityThread;
227            mApplicationInfo = aInfo;
228            mPackageName = aInfo.packageName;
229            mAppDir = aInfo.sourceDir;
230            mResDir = aInfo.uid == Process.myUid() ? aInfo.sourceDir
231                    : aInfo.publicSourceDir;
232            mSharedLibraries = aInfo.sharedLibraryFiles;
233            mDataDir = aInfo.dataDir;
234            mDataDirFile = mDataDir != null ? new File(mDataDir) : null;
235            mBaseClassLoader = baseLoader;
236            mSecurityViolation = securityViolation;
237            mIncludeCode = includeCode;
238
239            if (mAppDir == null) {
240                if (mSystemContext == null) {
241                    mSystemContext =
242                        ApplicationContext.createSystemContext(mainThread);
243                    mSystemContext.getResources().updateConfiguration(
244                            mainThread.getConfiguration(),
245                            mainThread.getDisplayMetricsLocked(false));
246                    //Log.i(TAG, "Created system resources "
247                    //        + mSystemContext.getResources() + ": "
248                    //        + mSystemContext.getResources().getConfiguration());
249                }
250                mClassLoader = mSystemContext.getClassLoader();
251                mResources = mSystemContext.getResources();
252            }
253        }
254
255        public PackageInfo(ActivityThread activityThread, String name,
256                Context systemContext) {
257            mActivityThread = activityThread;
258            mApplicationInfo = new ApplicationInfo();
259            mApplicationInfo.packageName = name;
260            mPackageName = name;
261            mAppDir = null;
262            mResDir = null;
263            mSharedLibraries = null;
264            mDataDir = null;
265            mDataDirFile = null;
266            mBaseClassLoader = null;
267            mSecurityViolation = false;
268            mIncludeCode = true;
269            mClassLoader = systemContext.getClassLoader();
270            mResources = systemContext.getResources();
271        }
272
273        public String getPackageName() {
274            return mPackageName;
275        }
276
277        public boolean isSecurityViolation() {
278            return mSecurityViolation;
279        }
280
281        /**
282         * Gets the array of shared libraries that are listed as
283         * used by the given package.
284         *
285         * @param packageName the name of the package (note: not its
286         * file name)
287         * @return null-ok; the array of shared libraries, each one
288         * a fully-qualified path
289         */
290        private static String[] getLibrariesFor(String packageName) {
291            ApplicationInfo ai = null;
292            try {
293                ai = getPackageManager().getApplicationInfo(packageName,
294                        PackageManager.GET_SHARED_LIBRARY_FILES);
295            } catch (RemoteException e) {
296                throw new AssertionError(e);
297            }
298
299            if (ai == null) {
300                return null;
301            }
302
303            return ai.sharedLibraryFiles;
304        }
305
306        /**
307         * Combines two arrays (of library names) such that they are
308         * concatenated in order but are devoid of duplicates. The
309         * result is a single string with the names of the libraries
310         * separated by colons, or <code>null</code> if both lists
311         * were <code>null</code> or empty.
312         *
313         * @param list1 null-ok; the first list
314         * @param list2 null-ok; the second list
315         * @return null-ok; the combination
316         */
317        private static String combineLibs(String[] list1, String[] list2) {
318            StringBuilder result = new StringBuilder(300);
319            boolean first = true;
320
321            if (list1 != null) {
322                for (String s : list1) {
323                    if (first) {
324                        first = false;
325                    } else {
326                        result.append(':');
327                    }
328                    result.append(s);
329                }
330            }
331
332            // Only need to check for duplicates if list1 was non-empty.
333            boolean dupCheck = !first;
334
335            if (list2 != null) {
336                for (String s : list2) {
337                    if (dupCheck && ArrayUtils.contains(list1, s)) {
338                        continue;
339                    }
340
341                    if (first) {
342                        first = false;
343                    } else {
344                        result.append(':');
345                    }
346                    result.append(s);
347                }
348            }
349
350            return result.toString();
351        }
352
353        public ClassLoader getClassLoader() {
354            synchronized (this) {
355                if (mClassLoader != null) {
356                    return mClassLoader;
357                }
358
359                if (mIncludeCode && !mPackageName.equals("android")) {
360                    String zip = mAppDir;
361
362                    /*
363                     * The following is a bit of a hack to inject
364                     * instrumentation into the system: If the app
365                     * being started matches one of the instrumentation names,
366                     * then we combine both the "instrumentation" and
367                     * "instrumented" app into the path, along with the
368                     * concatenation of both apps' shared library lists.
369                     */
370
371                    String instrumentationAppDir =
372                            mActivityThread.mInstrumentationAppDir;
373                    String instrumentationAppPackage =
374                            mActivityThread.mInstrumentationAppPackage;
375                    String instrumentedAppDir =
376                            mActivityThread.mInstrumentedAppDir;
377                    String[] instrumentationLibs = null;
378
379                    if (mAppDir.equals(instrumentationAppDir)
380                            || mAppDir.equals(instrumentedAppDir)) {
381                        zip = instrumentationAppDir + ":" + instrumentedAppDir;
382                        if (! instrumentedAppDir.equals(instrumentationAppDir)) {
383                            instrumentationLibs =
384                                getLibrariesFor(instrumentationAppPackage);
385                        }
386                    }
387
388                    if ((mSharedLibraries != null) ||
389                            (instrumentationLibs != null)) {
390                        zip =
391                            combineLibs(mSharedLibraries, instrumentationLibs)
392                            + ':' + zip;
393                    }
394
395                    /*
396                     * With all the combination done (if necessary, actually
397                     * create the class loader.
398                     */
399
400                    if (localLOGV) Log.v(TAG, "Class path: " + zip);
401
402                    mClassLoader =
403                        ApplicationLoaders.getDefault().getClassLoader(
404                            zip, mDataDir, mBaseClassLoader);
405                } else {
406                    if (mBaseClassLoader == null) {
407                        mClassLoader = ClassLoader.getSystemClassLoader();
408                    } else {
409                        mClassLoader = mBaseClassLoader;
410                    }
411                }
412                return mClassLoader;
413            }
414        }
415
416        public String getAppDir() {
417            return mAppDir;
418        }
419
420        public String getResDir() {
421            return mResDir;
422        }
423
424        public String getDataDir() {
425            return mDataDir;
426        }
427
428        public File getDataDirFile() {
429            return mDataDirFile;
430        }
431
432        public AssetManager getAssets(ActivityThread mainThread) {
433            return getResources(mainThread).getAssets();
434        }
435
436        public Resources getResources(ActivityThread mainThread) {
437            if (mResources == null) {
438                mResources = mainThread.getTopLevelResources(mResDir);
439            }
440            return mResources;
441        }
442
443        public Application makeApplication() {
444            if (mApplication != null) {
445                return mApplication;
446            }
447
448            Application app = null;
449
450            String appClass = mApplicationInfo.className;
451            if (appClass == null) {
452                appClass = "android.app.Application";
453            }
454
455            try {
456                java.lang.ClassLoader cl = getClassLoader();
457                ApplicationContext appContext = new ApplicationContext();
458                appContext.init(this, null, mActivityThread);
459                app = mActivityThread.mInstrumentation.newApplication(
460                        cl, appClass, appContext);
461                appContext.setOuterContext(app);
462            } catch (Exception e) {
463                if (!mActivityThread.mInstrumentation.onException(app, e)) {
464                    throw new RuntimeException(
465                        "Unable to instantiate application " + appClass
466                        + ": " + e.toString(), e);
467                }
468            }
469            mActivityThread.mAllApplications.add(app);
470            return mApplication = app;
471        }
472
473        public void removeContextRegistrations(Context context,
474                String who, String what) {
475            HashMap<BroadcastReceiver, ReceiverDispatcher> rmap =
476                mReceivers.remove(context);
477            if (rmap != null) {
478                Iterator<ReceiverDispatcher> it = rmap.values().iterator();
479                while (it.hasNext()) {
480                    ReceiverDispatcher rd = it.next();
481                    IntentReceiverLeaked leak = new IntentReceiverLeaked(
482                            what + " " + who + " has leaked IntentReceiver "
483                            + rd.getIntentReceiver() + " that was " +
484                            "originally registered here. Are you missing a " +
485                            "call to unregisterReceiver()?");
486                    leak.setStackTrace(rd.getLocation().getStackTrace());
487                    Log.e(TAG, leak.getMessage(), leak);
488                    try {
489                        ActivityManagerNative.getDefault().unregisterReceiver(
490                                rd.getIIntentReceiver());
491                    } catch (RemoteException e) {
492                        // system crashed, nothing we can do
493                    }
494                }
495            }
496            mUnregisteredReceivers.remove(context);
497            //Log.i(TAG, "Receiver registrations: " + mReceivers);
498            HashMap<ServiceConnection, ServiceDispatcher> smap =
499                mServices.remove(context);
500            if (smap != null) {
501                Iterator<ServiceDispatcher> it = smap.values().iterator();
502                while (it.hasNext()) {
503                    ServiceDispatcher sd = it.next();
504                    ServiceConnectionLeaked leak = new ServiceConnectionLeaked(
505                            what + " " + who + " has leaked ServiceConnection "
506                            + sd.getServiceConnection() + " that was originally bound here");
507                    leak.setStackTrace(sd.getLocation().getStackTrace());
508                    Log.e(TAG, leak.getMessage(), leak);
509                    try {
510                        ActivityManagerNative.getDefault().unbindService(
511                                sd.getIServiceConnection());
512                    } catch (RemoteException e) {
513                        // system crashed, nothing we can do
514                    }
515                    sd.doForget();
516                }
517            }
518            mUnboundServices.remove(context);
519            //Log.i(TAG, "Service registrations: " + mServices);
520        }
521
522        public IIntentReceiver getReceiverDispatcher(BroadcastReceiver r,
523                Context context, Handler handler,
524                Instrumentation instrumentation, boolean registered) {
525            synchronized (mReceivers) {
526                ReceiverDispatcher rd = null;
527                HashMap<BroadcastReceiver, ReceiverDispatcher> map = null;
528                if (registered) {
529                    map = mReceivers.get(context);
530                    if (map != null) {
531                        rd = map.get(r);
532                    }
533                }
534                if (rd == null) {
535                    rd = new ReceiverDispatcher(r, context, handler,
536                            instrumentation, registered);
537                    if (registered) {
538                        if (map == null) {
539                            map = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
540                            mReceivers.put(context, map);
541                        }
542                        map.put(r, rd);
543                    }
544                } else {
545                    rd.validate(context, handler);
546                }
547                return rd.getIIntentReceiver();
548            }
549        }
550
551        public IIntentReceiver forgetReceiverDispatcher(Context context,
552                BroadcastReceiver r) {
553            synchronized (mReceivers) {
554                HashMap<BroadcastReceiver, ReceiverDispatcher> map = mReceivers.get(context);
555                ReceiverDispatcher rd = null;
556                if (map != null) {
557                    rd = map.get(r);
558                    if (rd != null) {
559                        map.remove(r);
560                        if (map.size() == 0) {
561                            mReceivers.remove(context);
562                        }
563                        if (r.getDebugUnregister()) {
564                            HashMap<BroadcastReceiver, ReceiverDispatcher> holder
565                                    = mUnregisteredReceivers.get(context);
566                            if (holder == null) {
567                                holder = new HashMap<BroadcastReceiver, ReceiverDispatcher>();
568                                mUnregisteredReceivers.put(context, holder);
569                            }
570                            RuntimeException ex = new IllegalArgumentException(
571                                    "Originally unregistered here:");
572                            ex.fillInStackTrace();
573                            rd.setUnregisterLocation(ex);
574                            holder.put(r, rd);
575                        }
576                        return rd.getIIntentReceiver();
577                    }
578                }
579                HashMap<BroadcastReceiver, ReceiverDispatcher> holder
580                        = mUnregisteredReceivers.get(context);
581                if (holder != null) {
582                    rd = holder.get(r);
583                    if (rd != null) {
584                        RuntimeException ex = rd.getUnregisterLocation();
585                        throw new IllegalArgumentException(
586                                "Unregistering Receiver " + r
587                                + " that was already unregistered", ex);
588                    }
589                }
590                if (context == null) {
591                    throw new IllegalStateException("Unbinding Receiver " + r
592                            + " from Context that is no longer in use: " + context);
593                } else {
594                    throw new IllegalArgumentException("Receiver not registered: " + r);
595                }
596
597            }
598        }
599
600        static final class ReceiverDispatcher {
601
602            final static class InnerReceiver extends IIntentReceiver.Stub {
603                final WeakReference<ReceiverDispatcher> mDispatcher;
604                final ReceiverDispatcher mStrongRef;
605
606                InnerReceiver(ReceiverDispatcher rd, boolean strong) {
607                    mDispatcher = new WeakReference<ReceiverDispatcher>(rd);
608                    mStrongRef = strong ? rd : null;
609                }
610                public void performReceive(Intent intent, int resultCode,
611                        String data, Bundle extras, boolean ordered) {
612                    ReceiverDispatcher rd = mDispatcher.get();
613                    if (DEBUG_BROADCAST) {
614                        int seq = intent.getIntExtra("seq", -1);
615                        Log.i(TAG, "Receiving broadcast " + intent.getAction() + " seq=" + seq
616                                + " to " + rd);
617                    }
618                    if (rd != null) {
619                        rd.performReceive(intent, resultCode, data, extras, ordered);
620                    }
621                }
622            }
623
624            final IIntentReceiver.Stub mIIntentReceiver;
625            final BroadcastReceiver mReceiver;
626            final Context mContext;
627            final Handler mActivityThread;
628            final Instrumentation mInstrumentation;
629            final boolean mRegistered;
630            final IntentReceiverLeaked mLocation;
631            RuntimeException mUnregisterLocation;
632
633            final class Args implements Runnable {
634                private Intent mCurIntent;
635                private int mCurCode;
636                private String mCurData;
637                private Bundle mCurMap;
638                private boolean mCurOrdered;
639
640                public void run() {
641                    BroadcastReceiver receiver = mReceiver;
642                    if (DEBUG_BROADCAST) {
643                        int seq = mCurIntent.getIntExtra("seq", -1);
644                        Log.i(TAG, "Dispathing broadcast " + mCurIntent.getAction() + " seq=" + seq
645                                + " to " + mReceiver);
646                    }
647                    if (receiver == null) {
648                        return;
649                    }
650
651                    IActivityManager mgr = ActivityManagerNative.getDefault();
652                    Intent intent = mCurIntent;
653                    mCurIntent = null;
654                    try {
655                        ClassLoader cl =  mReceiver.getClass().getClassLoader();
656                        intent.setExtrasClassLoader(cl);
657                        if (mCurMap != null) {
658                            mCurMap.setClassLoader(cl);
659                        }
660                        receiver.setOrderedHint(true);
661                        receiver.setResult(mCurCode, mCurData, mCurMap);
662                        receiver.clearAbortBroadcast();
663                        receiver.setOrderedHint(mCurOrdered);
664                        receiver.onReceive(mContext, intent);
665                    } catch (Exception e) {
666                        if (mRegistered && mCurOrdered) {
667                            try {
668                                mgr.finishReceiver(mIIntentReceiver,
669                                        mCurCode, mCurData, mCurMap, false);
670                            } catch (RemoteException ex) {
671                            }
672                        }
673                        if (mInstrumentation == null ||
674                                !mInstrumentation.onException(mReceiver, e)) {
675                            throw new RuntimeException(
676                                "Error receiving broadcast " + intent
677                                + " in " + mReceiver, e);
678                        }
679                    }
680                    if (mRegistered && mCurOrdered) {
681                        try {
682                            mgr.finishReceiver(mIIntentReceiver,
683                                    receiver.getResultCode(),
684                                    receiver.getResultData(),
685                                    receiver.getResultExtras(false),
686                                    receiver.getAbortBroadcast());
687                        } catch (RemoteException ex) {
688                        }
689                    }
690                }
691            }
692
693            ReceiverDispatcher(BroadcastReceiver receiver, Context context,
694                    Handler activityThread, Instrumentation instrumentation,
695                    boolean registered) {
696                if (activityThread == null) {
697                    throw new NullPointerException("Handler must not be null");
698                }
699
700                mIIntentReceiver = new InnerReceiver(this, !registered);
701                mReceiver = receiver;
702                mContext = context;
703                mActivityThread = activityThread;
704                mInstrumentation = instrumentation;
705                mRegistered = registered;
706                mLocation = new IntentReceiverLeaked(null);
707                mLocation.fillInStackTrace();
708            }
709
710            void validate(Context context, Handler activityThread) {
711                if (mContext != context) {
712                    throw new IllegalStateException(
713                        "Receiver " + mReceiver +
714                        " registered with differing Context (was " +
715                        mContext + " now " + context + ")");
716                }
717                if (mActivityThread != activityThread) {
718                    throw new IllegalStateException(
719                        "Receiver " + mReceiver +
720                        " registered with differing handler (was " +
721                        mActivityThread + " now " + activityThread + ")");
722                }
723            }
724
725            IntentReceiverLeaked getLocation() {
726                return mLocation;
727            }
728
729            BroadcastReceiver getIntentReceiver() {
730                return mReceiver;
731            }
732
733            IIntentReceiver getIIntentReceiver() {
734                return mIIntentReceiver;
735            }
736
737            void setUnregisterLocation(RuntimeException ex) {
738                mUnregisterLocation = ex;
739            }
740
741            RuntimeException getUnregisterLocation() {
742                return mUnregisterLocation;
743            }
744
745            public void performReceive(Intent intent, int resultCode,
746                    String data, Bundle extras, boolean ordered) {
747                if (DEBUG_BROADCAST) {
748                    int seq = intent.getIntExtra("seq", -1);
749                    Log.i(TAG, "Enqueueing broadcast " + intent.getAction() + " seq=" + seq
750                            + " to " + mReceiver);
751                }
752                Args args = new Args();
753                args.mCurIntent = intent;
754                args.mCurCode = resultCode;
755                args.mCurData = data;
756                args.mCurMap = extras;
757                args.mCurOrdered = ordered;
758                if (!mActivityThread.post(args)) {
759                    if (mRegistered) {
760                        IActivityManager mgr = ActivityManagerNative.getDefault();
761                        try {
762                            mgr.finishReceiver(mIIntentReceiver, args.mCurCode,
763                                    args.mCurData, args.mCurMap, false);
764                        } catch (RemoteException ex) {
765                        }
766                    }
767                }
768            }
769
770        }
771
772        public final IServiceConnection getServiceDispatcher(ServiceConnection c,
773                Context context, Handler handler, int flags) {
774            synchronized (mServices) {
775                ServiceDispatcher sd = null;
776                HashMap<ServiceConnection, ServiceDispatcher> map = mServices.get(context);
777                if (map != null) {
778                    sd = map.get(c);
779                }
780                if (sd == null) {
781                    sd = new ServiceDispatcher(c, context, handler, flags);
782                    if (map == null) {
783                        map = new HashMap<ServiceConnection, ServiceDispatcher>();
784                        mServices.put(context, map);
785                    }
786                    map.put(c, sd);
787                } else {
788                    sd.validate(context, handler);
789                }
790                return sd.getIServiceConnection();
791            }
792        }
793
794        public final IServiceConnection forgetServiceDispatcher(Context context,
795                ServiceConnection c) {
796            synchronized (mServices) {
797                HashMap<ServiceConnection, ServiceDispatcher> map
798                        = mServices.get(context);
799                ServiceDispatcher sd = null;
800                if (map != null) {
801                    sd = map.get(c);
802                    if (sd != null) {
803                        map.remove(c);
804                        sd.doForget();
805                        if (map.size() == 0) {
806                            mServices.remove(context);
807                        }
808                        if ((sd.getFlags()&Context.BIND_DEBUG_UNBIND) != 0) {
809                            HashMap<ServiceConnection, ServiceDispatcher> holder
810                                    = mUnboundServices.get(context);
811                            if (holder == null) {
812                                holder = new HashMap<ServiceConnection, ServiceDispatcher>();
813                                mUnboundServices.put(context, holder);
814                            }
815                            RuntimeException ex = new IllegalArgumentException(
816                                    "Originally unbound here:");
817                            ex.fillInStackTrace();
818                            sd.setUnbindLocation(ex);
819                            holder.put(c, sd);
820                        }
821                        return sd.getIServiceConnection();
822                    }
823                }
824                HashMap<ServiceConnection, ServiceDispatcher> holder
825                        = mUnboundServices.get(context);
826                if (holder != null) {
827                    sd = holder.get(c);
828                    if (sd != null) {
829                        RuntimeException ex = sd.getUnbindLocation();
830                        throw new IllegalArgumentException(
831                                "Unbinding Service " + c
832                                + " that was already unbound", ex);
833                    }
834                }
835                if (context == null) {
836                    throw new IllegalStateException("Unbinding Service " + c
837                            + " from Context that is no longer in use: " + context);
838                } else {
839                    throw new IllegalArgumentException("Service not registered: " + c);
840                }
841            }
842        }
843
844        static final class ServiceDispatcher {
845            private final InnerConnection mIServiceConnection;
846            private final ServiceConnection mConnection;
847            private final Context mContext;
848            private final Handler mActivityThread;
849            private final ServiceConnectionLeaked mLocation;
850            private final int mFlags;
851
852            private RuntimeException mUnbindLocation;
853
854            private boolean mDied;
855
856            private static class ConnectionInfo {
857                IBinder binder;
858                IBinder.DeathRecipient deathMonitor;
859            }
860
861            private static class InnerConnection extends IServiceConnection.Stub {
862                final WeakReference<ServiceDispatcher> mDispatcher;
863
864                InnerConnection(ServiceDispatcher sd) {
865                    mDispatcher = new WeakReference<ServiceDispatcher>(sd);
866                }
867
868                public void connected(ComponentName name, IBinder service) throws RemoteException {
869                    ServiceDispatcher sd = mDispatcher.get();
870                    if (sd != null) {
871                        sd.connected(name, service);
872                    }
873                }
874            }
875
876            private final HashMap<ComponentName, ConnectionInfo> mActiveConnections
877                = new HashMap<ComponentName, ConnectionInfo>();
878
879            ServiceDispatcher(ServiceConnection conn,
880                    Context context, Handler activityThread, int flags) {
881                mIServiceConnection = new InnerConnection(this);
882                mConnection = conn;
883                mContext = context;
884                mActivityThread = activityThread;
885                mLocation = new ServiceConnectionLeaked(null);
886                mLocation.fillInStackTrace();
887                mFlags = flags;
888            }
889
890            void validate(Context context, Handler activityThread) {
891                if (mContext != context) {
892                    throw new RuntimeException(
893                        "ServiceConnection " + mConnection +
894                        " registered with differing Context (was " +
895                        mContext + " now " + context + ")");
896                }
897                if (mActivityThread != activityThread) {
898                    throw new RuntimeException(
899                        "ServiceConnection " + mConnection +
900                        " registered with differing handler (was " +
901                        mActivityThread + " now " + activityThread + ")");
902                }
903            }
904
905            void doForget() {
906                synchronized(this) {
907                    Iterator<ConnectionInfo> it = mActiveConnections.values().iterator();
908                    while (it.hasNext()) {
909                        ConnectionInfo ci = it.next();
910                        ci.binder.unlinkToDeath(ci.deathMonitor, 0);
911                    }
912                    mActiveConnections.clear();
913                }
914            }
915
916            ServiceConnectionLeaked getLocation() {
917                return mLocation;
918            }
919
920            ServiceConnection getServiceConnection() {
921                return mConnection;
922            }
923
924            IServiceConnection getIServiceConnection() {
925                return mIServiceConnection;
926            }
927
928            int getFlags() {
929                return mFlags;
930            }
931
932            void setUnbindLocation(RuntimeException ex) {
933                mUnbindLocation = ex;
934            }
935
936            RuntimeException getUnbindLocation() {
937                return mUnbindLocation;
938            }
939
940            public void connected(ComponentName name, IBinder service) {
941                if (mActivityThread != null) {
942                    mActivityThread.post(new RunConnection(name, service, 0));
943                } else {
944                    doConnected(name, service);
945                }
946            }
947
948            public void death(ComponentName name, IBinder service) {
949                ConnectionInfo old;
950
951                synchronized (this) {
952                    mDied = true;
953                    old = mActiveConnections.remove(name);
954                    if (old == null || old.binder != service) {
955                        // Death for someone different than who we last
956                        // reported...  just ignore it.
957                        return;
958                    }
959                    old.binder.unlinkToDeath(old.deathMonitor, 0);
960                }
961
962                if (mActivityThread != null) {
963                    mActivityThread.post(new RunConnection(name, service, 1));
964                } else {
965                    doDeath(name, service);
966                }
967            }
968
969            public void doConnected(ComponentName name, IBinder service) {
970                ConnectionInfo old;
971                ConnectionInfo info;
972
973                synchronized (this) {
974                    old = mActiveConnections.get(name);
975                    if (old != null && old.binder == service) {
976                        // Huh, already have this one.  Oh well!
977                        return;
978                    }
979
980                    if (service != null) {
981                        // A new service is being connected... set it all up.
982                        mDied = false;
983                        info = new ConnectionInfo();
984                        info.binder = service;
985                        info.deathMonitor = new DeathMonitor(name, service);
986                        try {
987                            service.linkToDeath(info.deathMonitor, 0);
988                            mActiveConnections.put(name, info);
989                        } catch (RemoteException e) {
990                            // This service was dead before we got it...  just
991                            // don't do anything with it.
992                            mActiveConnections.remove(name);
993                            return;
994                        }
995
996                    } else {
997                        // The named service is being disconnected... clean up.
998                        mActiveConnections.remove(name);
999                    }
1000
1001                    if (old != null) {
1002                        old.binder.unlinkToDeath(old.deathMonitor, 0);
1003                    }
1004                }
1005
1006                // If there was an old service, it is not disconnected.
1007                if (old != null) {
1008                    mConnection.onServiceDisconnected(name);
1009                }
1010                // If there is a new service, it is now connected.
1011                if (service != null) {
1012                    mConnection.onServiceConnected(name, service);
1013                }
1014            }
1015
1016            public void doDeath(ComponentName name, IBinder service) {
1017                mConnection.onServiceDisconnected(name);
1018            }
1019
1020            private final class RunConnection implements Runnable {
1021                RunConnection(ComponentName name, IBinder service, int command) {
1022                    mName = name;
1023                    mService = service;
1024                    mCommand = command;
1025                }
1026
1027                public void run() {
1028                    if (mCommand == 0) {
1029                        doConnected(mName, mService);
1030                    } else if (mCommand == 1) {
1031                        doDeath(mName, mService);
1032                    }
1033                }
1034
1035                final ComponentName mName;
1036                final IBinder mService;
1037                final int mCommand;
1038            }
1039
1040            private final class DeathMonitor implements IBinder.DeathRecipient
1041            {
1042                DeathMonitor(ComponentName name, IBinder service) {
1043                    mName = name;
1044                    mService = service;
1045                }
1046
1047                public void binderDied() {
1048                    death(mName, mService);
1049                }
1050
1051                final ComponentName mName;
1052                final IBinder mService;
1053            }
1054        }
1055    }
1056
1057    private static ApplicationContext mSystemContext = null;
1058
1059    private static final class ActivityRecord {
1060        IBinder token;
1061        Intent intent;
1062        Bundle state;
1063        Activity activity;
1064        Window window;
1065        Activity parent;
1066        String embeddedID;
1067        Object lastNonConfigurationInstance;
1068        HashMap<String,Object> lastNonConfigurationChildInstances;
1069        boolean paused;
1070        boolean stopped;
1071        boolean hideForNow;
1072        Configuration newConfig;
1073        ActivityRecord nextIdle;
1074
1075        ActivityInfo activityInfo;
1076        PackageInfo packageInfo;
1077
1078        List<ResultInfo> pendingResults;
1079        List<Intent> pendingIntents;
1080
1081        boolean startsNotResumed;
1082        boolean isForward;
1083
1084        ActivityRecord() {
1085            parent = null;
1086            embeddedID = null;
1087            paused = false;
1088            stopped = false;
1089            hideForNow = false;
1090            nextIdle = null;
1091        }
1092
1093        public String toString() {
1094            ComponentName componentName = intent.getComponent();
1095            return "ActivityRecord{"
1096                + Integer.toHexString(System.identityHashCode(this))
1097                + " token=" + token + " " + (componentName == null
1098                        ? "no component name" : componentName.toShortString())
1099                + "}";
1100        }
1101    }
1102
1103    private final class ProviderRecord implements IBinder.DeathRecipient {
1104        final String mName;
1105        final IContentProvider mProvider;
1106        final ContentProvider mLocalProvider;
1107
1108        ProviderRecord(String name, IContentProvider provider,
1109                ContentProvider localProvider) {
1110            mName = name;
1111            mProvider = provider;
1112            mLocalProvider = localProvider;
1113        }
1114
1115        public void binderDied() {
1116            removeDeadProvider(mName, mProvider);
1117        }
1118    }
1119
1120    private static final class NewIntentData {
1121        List<Intent> intents;
1122        IBinder token;
1123        public String toString() {
1124            return "NewIntentData{intents=" + intents + " token=" + token + "}";
1125        }
1126    }
1127
1128    private static final class ReceiverData {
1129        Intent intent;
1130        ActivityInfo info;
1131        int resultCode;
1132        String resultData;
1133        Bundle resultExtras;
1134        boolean sync;
1135        boolean resultAbort;
1136        public String toString() {
1137            return "ReceiverData{intent=" + intent + " packageName=" +
1138            info.packageName + " resultCode=" + resultCode
1139            + " resultData=" + resultData + " resultExtras=" + resultExtras + "}";
1140        }
1141    }
1142
1143    private static final class CreateServiceData {
1144        IBinder token;
1145        ServiceInfo info;
1146        Intent intent;
1147        public String toString() {
1148            return "CreateServiceData{token=" + token + " className="
1149            + info.name + " packageName=" + info.packageName
1150            + " intent=" + intent + "}";
1151        }
1152    }
1153
1154    private static final class BindServiceData {
1155        IBinder token;
1156        Intent intent;
1157        boolean rebind;
1158        public String toString() {
1159            return "BindServiceData{token=" + token + " intent=" + intent + "}";
1160        }
1161    }
1162
1163    private static final class ServiceArgsData {
1164        IBinder token;
1165        int startId;
1166        Intent args;
1167        public String toString() {
1168            return "ServiceArgsData{token=" + token + " startId=" + startId
1169            + " args=" + args + "}";
1170        }
1171    }
1172
1173    private static final class AppBindData {
1174        PackageInfo info;
1175        String processName;
1176        ApplicationInfo appInfo;
1177        List<ProviderInfo> providers;
1178        ComponentName instrumentationName;
1179        String profileFile;
1180        Bundle instrumentationArgs;
1181        IInstrumentationWatcher instrumentationWatcher;
1182        int debugMode;
1183        Configuration config;
1184        boolean handlingProfiling;
1185        public String toString() {
1186            return "AppBindData{appInfo=" + appInfo + "}";
1187        }
1188    }
1189
1190    private static final class DumpServiceInfo {
1191        FileDescriptor fd;
1192        IBinder service;
1193        String[] args;
1194        boolean dumped;
1195    }
1196
1197    private static final class ResultData {
1198        IBinder token;
1199        List<ResultInfo> results;
1200        public String toString() {
1201            return "ResultData{token=" + token + " results" + results + "}";
1202        }
1203    }
1204
1205    private static final class ContextCleanupInfo {
1206        ApplicationContext context;
1207        String what;
1208        String who;
1209    }
1210
1211    private final class ApplicationThread extends ApplicationThreadNative {
1212        private static final String HEAP_COLUMN = "%17s %8s %8s %8s %8s";
1213        private static final String ONE_COUNT_COLUMN = "%17s %8d";
1214        private static final String TWO_COUNT_COLUMNS = "%17s %8d %17s %8d";
1215
1216        // Formatting for checkin service - update version if row format changes
1217        private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1;
1218
1219        public final void schedulePauseActivity(IBinder token, boolean finished,
1220                boolean userLeaving, int configChanges) {
1221            queueOrSendMessage(
1222                    finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY,
1223                    token,
1224                    (userLeaving ? 1 : 0),
1225                    configChanges);
1226        }
1227
1228        public final void scheduleStopActivity(IBinder token, boolean showWindow,
1229                int configChanges) {
1230           queueOrSendMessage(
1231                showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE,
1232                token, 0, configChanges);
1233        }
1234
1235        public final void scheduleWindowVisibility(IBinder token, boolean showWindow) {
1236            queueOrSendMessage(
1237                showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW,
1238                token);
1239        }
1240
1241        public final void scheduleResumeActivity(IBinder token, boolean isForward) {
1242            queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0);
1243        }
1244
1245        public final void scheduleSendResult(IBinder token, List<ResultInfo> results) {
1246            ResultData res = new ResultData();
1247            res.token = token;
1248            res.results = results;
1249            queueOrSendMessage(H.SEND_RESULT, res);
1250        }
1251
1252        // we use token to identify this activity without having to send the
1253        // activity itself back to the activity manager. (matters more with ipc)
1254        public final void scheduleLaunchActivity(Intent intent, IBinder token,
1255                ActivityInfo info, Bundle state, List<ResultInfo> pendingResults,
1256                List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) {
1257            ActivityRecord r = new ActivityRecord();
1258
1259            r.token = token;
1260            r.intent = intent;
1261            r.activityInfo = info;
1262            r.state = state;
1263
1264            r.pendingResults = pendingResults;
1265            r.pendingIntents = pendingNewIntents;
1266
1267            r.startsNotResumed = notResumed;
1268            r.isForward = isForward;
1269
1270            queueOrSendMessage(H.LAUNCH_ACTIVITY, r);
1271        }
1272
1273        public final void scheduleRelaunchActivity(IBinder token,
1274                List<ResultInfo> pendingResults, List<Intent> pendingNewIntents,
1275                int configChanges, boolean notResumed) {
1276            ActivityRecord r = new ActivityRecord();
1277
1278            r.token = token;
1279            r.pendingResults = pendingResults;
1280            r.pendingIntents = pendingNewIntents;
1281            r.startsNotResumed = notResumed;
1282
1283            synchronized (mRelaunchingActivities) {
1284                mRelaunchingActivities.add(r);
1285            }
1286
1287            queueOrSendMessage(H.RELAUNCH_ACTIVITY, r, configChanges);
1288        }
1289
1290        public final void scheduleNewIntent(List<Intent> intents, IBinder token) {
1291            NewIntentData data = new NewIntentData();
1292            data.intents = intents;
1293            data.token = token;
1294
1295            queueOrSendMessage(H.NEW_INTENT, data);
1296        }
1297
1298        public final void scheduleDestroyActivity(IBinder token, boolean finishing,
1299                int configChanges) {
1300            queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0,
1301                    configChanges);
1302        }
1303
1304        public final void scheduleReceiver(Intent intent, ActivityInfo info,
1305                int resultCode, String data, Bundle extras, boolean sync) {
1306            ReceiverData r = new ReceiverData();
1307
1308            r.intent = intent;
1309            r.info = info;
1310            r.resultCode = resultCode;
1311            r.resultData = data;
1312            r.resultExtras = extras;
1313            r.sync = sync;
1314
1315            queueOrSendMessage(H.RECEIVER, r);
1316        }
1317
1318        public final void scheduleCreateService(IBinder token,
1319                ServiceInfo info) {
1320            CreateServiceData s = new CreateServiceData();
1321            s.token = token;
1322            s.info = info;
1323
1324            queueOrSendMessage(H.CREATE_SERVICE, s);
1325        }
1326
1327        public final void scheduleBindService(IBinder token, Intent intent,
1328                boolean rebind) {
1329            BindServiceData s = new BindServiceData();
1330            s.token = token;
1331            s.intent = intent;
1332            s.rebind = rebind;
1333
1334            queueOrSendMessage(H.BIND_SERVICE, s);
1335        }
1336
1337        public final void scheduleUnbindService(IBinder token, Intent intent) {
1338            BindServiceData s = new BindServiceData();
1339            s.token = token;
1340            s.intent = intent;
1341
1342            queueOrSendMessage(H.UNBIND_SERVICE, s);
1343        }
1344
1345        public final void scheduleServiceArgs(IBinder token, int startId,
1346            Intent args) {
1347            ServiceArgsData s = new ServiceArgsData();
1348            s.token = token;
1349            s.startId = startId;
1350            s.args = args;
1351
1352            queueOrSendMessage(H.SERVICE_ARGS, s);
1353        }
1354
1355        public final void scheduleStopService(IBinder token) {
1356            queueOrSendMessage(H.STOP_SERVICE, token);
1357        }
1358
1359        public final void bindApplication(String processName,
1360                ApplicationInfo appInfo, List<ProviderInfo> providers,
1361                ComponentName instrumentationName, String profileFile,
1362                Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher,
1363                int debugMode, Configuration config,
1364                Map<String, IBinder> services) {
1365            Process.setArgV0(processName);
1366
1367            if (services != null) {
1368                // Setup the service cache in the ServiceManager
1369                ServiceManager.initServiceCache(services);
1370            }
1371
1372            AppBindData data = new AppBindData();
1373            data.processName = processName;
1374            data.appInfo = appInfo;
1375            data.providers = providers;
1376            data.instrumentationName = instrumentationName;
1377            data.profileFile = profileFile;
1378            data.instrumentationArgs = instrumentationArgs;
1379            data.instrumentationWatcher = instrumentationWatcher;
1380            data.debugMode = debugMode;
1381            data.config = config;
1382            queueOrSendMessage(H.BIND_APPLICATION, data);
1383        }
1384
1385        public final void scheduleExit() {
1386            queueOrSendMessage(H.EXIT_APPLICATION, null);
1387        }
1388
1389        public void requestThumbnail(IBinder token) {
1390            queueOrSendMessage(H.REQUEST_THUMBNAIL, token);
1391        }
1392
1393        public void scheduleConfigurationChanged(Configuration config) {
1394            synchronized (mRelaunchingActivities) {
1395                mPendingConfiguration = config;
1396            }
1397            queueOrSendMessage(H.CONFIGURATION_CHANGED, config);
1398        }
1399
1400        public void updateTimeZone() {
1401            TimeZone.setDefault(null);
1402        }
1403
1404        public void processInBackground() {
1405            mH.removeMessages(H.GC_WHEN_IDLE);
1406            mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));
1407        }
1408
1409        public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) {
1410            DumpServiceInfo data = new DumpServiceInfo();
1411            data.fd = fd;
1412            data.service = servicetoken;
1413            data.args = args;
1414            data.dumped = false;
1415            queueOrSendMessage(H.DUMP_SERVICE, data);
1416            synchronized (data) {
1417                while (!data.dumped) {
1418                    try {
1419                        data.wait();
1420                    } catch (InterruptedException e) {
1421                        // no need to do anything here, we will keep waiting until
1422                        // dumped is set
1423                    }
1424                }
1425            }
1426        }
1427
1428        // This function exists to make sure all receiver dispatching is
1429        // correctly ordered, since these are one-way calls and the binder driver
1430        // applies transaction ordering per object for such calls.
1431        public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent,
1432                int resultCode, String dataStr, Bundle extras, boolean ordered)
1433                throws RemoteException {
1434            receiver.performReceive(intent, resultCode, dataStr, extras, ordered);
1435        }
1436
1437        public void scheduleLowMemory() {
1438            queueOrSendMessage(H.LOW_MEMORY, null);
1439        }
1440
1441        public void scheduleActivityConfigurationChanged(IBinder token) {
1442            queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token);
1443        }
1444
1445        public void requestPss() {
1446            try {
1447                ActivityManagerNative.getDefault().reportPss(this,
1448                        (int)Process.getPss(Process.myPid()));
1449            } catch (RemoteException e) {
1450            }
1451        }
1452
1453        public void profilerControl(boolean start, String path) {
1454            queueOrSendMessage(H.PROFILER_CONTROL, path, start ? 1 : 0);
1455        }
1456
1457        @Override
1458        protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
1459            long nativeMax = Debug.getNativeHeapSize() / 1024;
1460            long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
1461            long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
1462
1463            Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
1464            Debug.getMemoryInfo(memInfo);
1465
1466            final int nativeShared = memInfo.nativeSharedDirty;
1467            final int dalvikShared = memInfo.dalvikSharedDirty;
1468            final int otherShared = memInfo.otherSharedDirty;
1469
1470            final int nativePrivate = memInfo.nativePrivateDirty;
1471            final int dalvikPrivate = memInfo.dalvikPrivateDirty;
1472            final int otherPrivate = memInfo.otherPrivateDirty;
1473
1474            Runtime runtime = Runtime.getRuntime();
1475
1476            long dalvikMax = runtime.totalMemory() / 1024;
1477            long dalvikFree = runtime.freeMemory() / 1024;
1478            long dalvikAllocated = dalvikMax - dalvikFree;
1479            long viewInstanceCount = ViewDebug.getViewInstanceCount();
1480            long viewRootInstanceCount = ViewDebug.getViewRootInstanceCount();
1481            long appContextInstanceCount = ApplicationContext.getInstanceCount();
1482            long activityInstanceCount = Activity.getInstanceCount();
1483            int globalAssetCount = AssetManager.getGlobalAssetCount();
1484            int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
1485            int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
1486            int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
1487            int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
1488            int openSslSocketCount = OpenSSLSocketImpl.getInstanceCount();
1489            long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024;
1490            SQLiteDebug.PagerStats stats = new SQLiteDebug.PagerStats();
1491            SQLiteDebug.getPagerStats(stats);
1492
1493            // Check to see if we were called by checkin server. If so, print terse format.
1494            boolean doCheckinFormat = false;
1495            if (args != null) {
1496                for (String arg : args) {
1497                    if ("-c".equals(arg)) doCheckinFormat = true;
1498                }
1499            }
1500
1501            // For checkin, we print one long comma-separated list of values
1502            if (doCheckinFormat) {
1503                // NOTE: if you change anything significant below, also consider changing
1504                // ACTIVITY_THREAD_CHECKIN_VERSION.
1505                String processName = (mBoundApplication != null)
1506                        ? mBoundApplication.processName : "unknown";
1507
1508                // Header
1509                pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(',');
1510                pw.print(Process.myPid()); pw.print(',');
1511                pw.print(processName); pw.print(',');
1512
1513                // Heap info - max
1514                pw.print(nativeMax); pw.print(',');
1515                pw.print(dalvikMax); pw.print(',');
1516                pw.print("N/A,");
1517                pw.print(nativeMax + dalvikMax); pw.print(',');
1518
1519                // Heap info - allocated
1520                pw.print(nativeAllocated); pw.print(',');
1521                pw.print(dalvikAllocated); pw.print(',');
1522                pw.print("N/A,");
1523                pw.print(nativeAllocated + dalvikAllocated); pw.print(',');
1524
1525                // Heap info - free
1526                pw.print(nativeFree); pw.print(',');
1527                pw.print(dalvikFree); pw.print(',');
1528                pw.print("N/A,");
1529                pw.print(nativeFree + dalvikFree); pw.print(',');
1530
1531                // Heap info - proportional set size
1532                pw.print(memInfo.nativePss); pw.print(',');
1533                pw.print(memInfo.dalvikPss); pw.print(',');
1534                pw.print(memInfo.otherPss); pw.print(',');
1535                pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(',');
1536
1537                // Heap info - shared
1538                pw.print(nativeShared); pw.print(',');
1539                pw.print(dalvikShared); pw.print(',');
1540                pw.print(otherShared); pw.print(',');
1541                pw.print(nativeShared + dalvikShared + otherShared); pw.print(',');
1542
1543                // Heap info - private
1544                pw.print(nativePrivate); pw.print(',');
1545                pw.print(dalvikPrivate); pw.print(',');
1546                pw.print(otherPrivate); pw.print(',');
1547                pw.print(nativePrivate + dalvikPrivate + otherPrivate); pw.print(',');
1548
1549                // Object counts
1550                pw.print(viewInstanceCount); pw.print(',');
1551                pw.print(viewRootInstanceCount); pw.print(',');
1552                pw.print(appContextInstanceCount); pw.print(',');
1553                pw.print(activityInstanceCount); pw.print(',');
1554
1555                pw.print(globalAssetCount); pw.print(',');
1556                pw.print(globalAssetManagerCount); pw.print(',');
1557                pw.print(binderLocalObjectCount); pw.print(',');
1558                pw.print(binderProxyObjectCount); pw.print(',');
1559
1560                pw.print(binderDeathObjectCount); pw.print(',');
1561                pw.print(openSslSocketCount); pw.print(',');
1562
1563                // SQL
1564                pw.print(sqliteAllocated); pw.print(',');
1565                pw.print(stats.databaseBytes / 1024); pw.print(',');
1566                pw.print(stats.numPagers); pw.print(',');
1567                pw.print((stats.totalBytes - stats.referencedBytes) / 1024); pw.print(',');
1568                pw.print(stats.referencedBytes / 1024); pw.print('\n');
1569
1570                return;
1571            }
1572
1573            // otherwise, show human-readable format
1574            printRow(pw, HEAP_COLUMN, "", "native", "dalvik", "other", "total");
1575            printRow(pw, HEAP_COLUMN, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
1576            printRow(pw, HEAP_COLUMN, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
1577                    nativeAllocated + dalvikAllocated);
1578            printRow(pw, HEAP_COLUMN, "free:", nativeFree, dalvikFree, "N/A",
1579                    nativeFree + dalvikFree);
1580
1581            printRow(pw, HEAP_COLUMN, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
1582                    memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);
1583
1584            printRow(pw, HEAP_COLUMN, "(shared dirty):", nativeShared, dalvikShared, otherShared,
1585                    nativeShared + dalvikShared + otherShared);
1586            printRow(pw, HEAP_COLUMN, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
1587                    nativePrivate + dalvikPrivate + otherPrivate);
1588
1589            pw.println(" ");
1590            pw.println(" Objects");
1591            printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRoots:",
1592                    viewRootInstanceCount);
1593
1594            printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount,
1595                    "Activities:", activityInstanceCount);
1596
1597            printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount,
1598                    "AssetManagers:", globalAssetManagerCount);
1599
1600            printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount,
1601                    "Proxy Binders:", binderProxyObjectCount);
1602            printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount);
1603
1604            printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount);
1605
1606            // SQLite mem info
1607            pw.println(" ");
1608            pw.println(" SQL");
1609            printRow(pw, TWO_COUNT_COLUMNS, "heap:", sqliteAllocated, "dbFiles:",
1610                    stats.databaseBytes / 1024);
1611            printRow(pw, TWO_COUNT_COLUMNS, "numPagers:", stats.numPagers, "inactivePageKB:",
1612                    (stats.totalBytes - stats.referencedBytes) / 1024);
1613            printRow(pw, ONE_COUNT_COLUMN, "activePageKB:", stats.referencedBytes / 1024);
1614        }
1615
1616        private void printRow(PrintWriter pw, String format, Object...objs) {
1617            pw.println(String.format(format, objs));
1618        }
1619    }
1620
1621    private final class H extends Handler {
1622        public static final int LAUNCH_ACTIVITY         = 100;
1623        public static final int PAUSE_ACTIVITY          = 101;
1624        public static final int PAUSE_ACTIVITY_FINISHING= 102;
1625        public static final int STOP_ACTIVITY_SHOW      = 103;
1626        public static final int STOP_ACTIVITY_HIDE      = 104;
1627        public static final int SHOW_WINDOW             = 105;
1628        public static final int HIDE_WINDOW             = 106;
1629        public static final int RESUME_ACTIVITY         = 107;
1630        public static final int SEND_RESULT             = 108;
1631        public static final int DESTROY_ACTIVITY         = 109;
1632        public static final int BIND_APPLICATION        = 110;
1633        public static final int EXIT_APPLICATION        = 111;
1634        public static final int NEW_INTENT              = 112;
1635        public static final int RECEIVER                = 113;
1636        public static final int CREATE_SERVICE          = 114;
1637        public static final int SERVICE_ARGS            = 115;
1638        public static final int STOP_SERVICE            = 116;
1639        public static final int REQUEST_THUMBNAIL       = 117;
1640        public static final int CONFIGURATION_CHANGED   = 118;
1641        public static final int CLEAN_UP_CONTEXT        = 119;
1642        public static final int GC_WHEN_IDLE            = 120;
1643        public static final int BIND_SERVICE            = 121;
1644        public static final int UNBIND_SERVICE          = 122;
1645        public static final int DUMP_SERVICE            = 123;
1646        public static final int LOW_MEMORY              = 124;
1647        public static final int ACTIVITY_CONFIGURATION_CHANGED = 125;
1648        public static final int RELAUNCH_ACTIVITY       = 126;
1649        public static final int PROFILER_CONTROL        = 127;
1650        String codeToString(int code) {
1651            if (localLOGV) {
1652                switch (code) {
1653                    case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY";
1654                    case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY";
1655                    case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING";
1656                    case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW";
1657                    case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE";
1658                    case SHOW_WINDOW: return "SHOW_WINDOW";
1659                    case HIDE_WINDOW: return "HIDE_WINDOW";
1660                    case RESUME_ACTIVITY: return "RESUME_ACTIVITY";
1661                    case SEND_RESULT: return "SEND_RESULT";
1662                    case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY";
1663                    case BIND_APPLICATION: return "BIND_APPLICATION";
1664                    case EXIT_APPLICATION: return "EXIT_APPLICATION";
1665                    case NEW_INTENT: return "NEW_INTENT";
1666                    case RECEIVER: return "RECEIVER";
1667                    case CREATE_SERVICE: return "CREATE_SERVICE";
1668                    case SERVICE_ARGS: return "SERVICE_ARGS";
1669                    case STOP_SERVICE: return "STOP_SERVICE";
1670                    case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL";
1671                    case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED";
1672                    case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT";
1673                    case GC_WHEN_IDLE: return "GC_WHEN_IDLE";
1674                    case BIND_SERVICE: return "BIND_SERVICE";
1675                    case UNBIND_SERVICE: return "UNBIND_SERVICE";
1676                    case DUMP_SERVICE: return "DUMP_SERVICE";
1677                    case LOW_MEMORY: return "LOW_MEMORY";
1678                    case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED";
1679                    case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY";
1680                    case PROFILER_CONTROL: return "PROFILER_CONTROL";
1681                }
1682            }
1683            return "(unknown)";
1684        }
1685        public void handleMessage(Message msg) {
1686            switch (msg.what) {
1687                case LAUNCH_ACTIVITY: {
1688                    ActivityRecord r = (ActivityRecord)msg.obj;
1689
1690                    r.packageInfo = getPackageInfoNoCheck(
1691                            r.activityInfo.applicationInfo);
1692                    handleLaunchActivity(r);
1693                } break;
1694                case RELAUNCH_ACTIVITY: {
1695                    ActivityRecord r = (ActivityRecord)msg.obj;
1696                    handleRelaunchActivity(r, msg.arg1);
1697                } break;
1698                case PAUSE_ACTIVITY:
1699                    handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2);
1700                    break;
1701                case PAUSE_ACTIVITY_FINISHING:
1702                    handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2);
1703                    break;
1704                case STOP_ACTIVITY_SHOW:
1705                    handleStopActivity((IBinder)msg.obj, true, msg.arg2);
1706                    break;
1707                case STOP_ACTIVITY_HIDE:
1708                    handleStopActivity((IBinder)msg.obj, false, msg.arg2);
1709                    break;
1710                case SHOW_WINDOW:
1711                    handleWindowVisibility((IBinder)msg.obj, true);
1712                    break;
1713                case HIDE_WINDOW:
1714                    handleWindowVisibility((IBinder)msg.obj, false);
1715                    break;
1716                case RESUME_ACTIVITY:
1717                    handleResumeActivity((IBinder)msg.obj, true,
1718                            msg.arg1 != 0);
1719                    break;
1720                case SEND_RESULT:
1721                    handleSendResult((ResultData)msg.obj);
1722                    break;
1723                case DESTROY_ACTIVITY:
1724                    handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0,
1725                            msg.arg2, false);
1726                    break;
1727                case BIND_APPLICATION:
1728                    AppBindData data = (AppBindData)msg.obj;
1729                    handleBindApplication(data);
1730                    break;
1731                case EXIT_APPLICATION:
1732                    if (mInitialApplication != null) {
1733                        mInitialApplication.onTerminate();
1734                    }
1735                    Looper.myLooper().quit();
1736                    break;
1737                case NEW_INTENT:
1738                    handleNewIntent((NewIntentData)msg.obj);
1739                    break;
1740                case RECEIVER:
1741                    handleReceiver((ReceiverData)msg.obj);
1742                    break;
1743                case CREATE_SERVICE:
1744                    handleCreateService((CreateServiceData)msg.obj);
1745                    break;
1746                case BIND_SERVICE:
1747                    handleBindService((BindServiceData)msg.obj);
1748                    break;
1749                case UNBIND_SERVICE:
1750                    handleUnbindService((BindServiceData)msg.obj);
1751                    break;
1752                case SERVICE_ARGS:
1753                    handleServiceArgs((ServiceArgsData)msg.obj);
1754                    break;
1755                case STOP_SERVICE:
1756                    handleStopService((IBinder)msg.obj);
1757                    break;
1758                case REQUEST_THUMBNAIL:
1759                    handleRequestThumbnail((IBinder)msg.obj);
1760                    break;
1761                case CONFIGURATION_CHANGED:
1762                    handleConfigurationChanged((Configuration)msg.obj);
1763                    break;
1764                case CLEAN_UP_CONTEXT:
1765                    ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj;
1766                    cci.context.performFinalCleanup(cci.who, cci.what);
1767                    break;
1768                case GC_WHEN_IDLE:
1769                    scheduleGcIdler();
1770                    break;
1771                case DUMP_SERVICE:
1772                    handleDumpService((DumpServiceInfo)msg.obj);
1773                    break;
1774                case LOW_MEMORY:
1775                    handleLowMemory();
1776                    break;
1777                case ACTIVITY_CONFIGURATION_CHANGED:
1778                    handleActivityConfigurationChanged((IBinder)msg.obj);
1779                    break;
1780                case PROFILER_CONTROL:
1781                    handleProfilerControl(msg.arg1 != 0, (String)msg.obj);
1782                    break;
1783            }
1784        }
1785    }
1786
1787    private final class Idler implements MessageQueue.IdleHandler {
1788        public final boolean queueIdle() {
1789            ActivityRecord a = mNewActivities;
1790            if (a != null) {
1791                mNewActivities = null;
1792                IActivityManager am = ActivityManagerNative.getDefault();
1793                ActivityRecord prev;
1794                do {
1795                    if (localLOGV) Log.v(
1796                        TAG, "Reporting idle of " + a +
1797                        " finished=" +
1798                        (a.activity != null ? a.activity.mFinished : false));
1799                    if (a.activity != null && !a.activity.mFinished) {
1800                        try {
1801                            am.activityIdle(a.token);
1802                        } catch (RemoteException ex) {
1803                        }
1804                    }
1805                    prev = a;
1806                    a = a.nextIdle;
1807                    prev.nextIdle = null;
1808                } while (a != null);
1809            }
1810            return false;
1811        }
1812    }
1813
1814    final class GcIdler implements MessageQueue.IdleHandler {
1815        public final boolean queueIdle() {
1816            doGcIfNeeded();
1817            return false;
1818        }
1819    }
1820
1821    static IPackageManager sPackageManager;
1822
1823    final ApplicationThread mAppThread = new ApplicationThread();
1824    final Looper mLooper = Looper.myLooper();
1825    final H mH = new H();
1826    final HashMap<IBinder, ActivityRecord> mActivities
1827            = new HashMap<IBinder, ActivityRecord>();
1828    // List of new activities (via ActivityRecord.nextIdle) that should
1829    // be reported when next we idle.
1830    ActivityRecord mNewActivities = null;
1831    // Number of activities that are currently visible on-screen.
1832    int mNumVisibleActivities = 0;
1833    final HashMap<IBinder, Service> mServices
1834            = new HashMap<IBinder, Service>();
1835    AppBindData mBoundApplication;
1836    Configuration mConfiguration;
1837    Application mInitialApplication;
1838    final ArrayList<Application> mAllApplications
1839            = new ArrayList<Application>();
1840    static final ThreadLocal sThreadLocal = new ThreadLocal();
1841    Instrumentation mInstrumentation;
1842    String mInstrumentationAppDir = null;
1843    String mInstrumentationAppPackage = null;
1844    String mInstrumentedAppDir = null;
1845    boolean mSystemThread = false;
1846
1847    /**
1848     * Activities that are enqueued to be relaunched.  This list is accessed
1849     * by multiple threads, so you must synchronize on it when accessing it.
1850     */
1851    final ArrayList<ActivityRecord> mRelaunchingActivities
1852            = new ArrayList<ActivityRecord>();
1853    Configuration mPendingConfiguration = null;
1854
1855    // These can be accessed by multiple threads; mPackages is the lock.
1856    // XXX For now we keep around information about all packages we have
1857    // seen, not removing entries from this map.
1858    final HashMap<String, WeakReference<PackageInfo>> mPackages
1859        = new HashMap<String, WeakReference<PackageInfo>>();
1860    final HashMap<String, WeakReference<PackageInfo>> mResourcePackages
1861        = new HashMap<String, WeakReference<PackageInfo>>();
1862    Display mDisplay = null;
1863    DisplayMetrics mDisplayMetrics = null;
1864    HashMap<String, WeakReference<Resources> > mActiveResources
1865        = new HashMap<String, WeakReference<Resources> >();
1866
1867    // The lock of mProviderMap protects the following variables.
1868    final HashMap<String, ProviderRecord> mProviderMap
1869        = new HashMap<String, ProviderRecord>();
1870    final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap
1871        = new HashMap<IBinder, ProviderRefCount>();
1872    final HashMap<IBinder, ProviderRecord> mLocalProviders
1873        = new HashMap<IBinder, ProviderRecord>();
1874
1875    final GcIdler mGcIdler = new GcIdler();
1876    boolean mGcIdlerScheduled = false;
1877
1878    public final PackageInfo getPackageInfo(String packageName, int flags) {
1879        synchronized (mPackages) {
1880            WeakReference<PackageInfo> ref;
1881            if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) {
1882                ref = mPackages.get(packageName);
1883            } else {
1884                ref = mResourcePackages.get(packageName);
1885            }
1886            PackageInfo packageInfo = ref != null ? ref.get() : null;
1887            //Log.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo);
1888            if (packageInfo != null && (packageInfo.mResources == null
1889                    || packageInfo.mResources.getAssets().isUpToDate())) {
1890                if (packageInfo.isSecurityViolation()
1891                        && (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) {
1892                    throw new SecurityException(
1893                            "Requesting code from " + packageName
1894                            + " to be run in process "
1895                            + mBoundApplication.processName
1896                            + "/" + mBoundApplication.appInfo.uid);
1897                }
1898                return packageInfo;
1899            }
1900        }
1901
1902        ApplicationInfo ai = null;
1903        try {
1904            ai = getPackageManager().getApplicationInfo(packageName,
1905                    PackageManager.GET_SHARED_LIBRARY_FILES);
1906        } catch (RemoteException e) {
1907        }
1908
1909        if (ai != null) {
1910            return getPackageInfo(ai, flags);
1911        }
1912
1913        return null;
1914    }
1915
1916    public final PackageInfo getPackageInfo(ApplicationInfo ai, int flags) {
1917        boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0;
1918        boolean securityViolation = includeCode && ai.uid != 0
1919                && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null
1920                        ? ai.uid != mBoundApplication.appInfo.uid : true);
1921        if ((flags&(Context.CONTEXT_INCLUDE_CODE
1922                |Context.CONTEXT_IGNORE_SECURITY))
1923                == Context.CONTEXT_INCLUDE_CODE) {
1924            if (securityViolation) {
1925                String msg = "Requesting code from " + ai.packageName
1926                        + " (with uid " + ai.uid + ")";
1927                if (mBoundApplication != null) {
1928                    msg = msg + " to be run in process "
1929                        + mBoundApplication.processName + " (with uid "
1930                        + mBoundApplication.appInfo.uid + ")";
1931                }
1932                throw new SecurityException(msg);
1933            }
1934        }
1935        return getPackageInfo(ai, null, securityViolation, includeCode);
1936    }
1937
1938    public final PackageInfo getPackageInfoNoCheck(ApplicationInfo ai) {
1939        return getPackageInfo(ai, null, false, true);
1940    }
1941
1942    private final PackageInfo getPackageInfo(ApplicationInfo aInfo,
1943            ClassLoader baseLoader, boolean securityViolation, boolean includeCode) {
1944        synchronized (mPackages) {
1945            WeakReference<PackageInfo> ref;
1946            if (includeCode) {
1947                ref = mPackages.get(aInfo.packageName);
1948            } else {
1949                ref = mResourcePackages.get(aInfo.packageName);
1950            }
1951            PackageInfo packageInfo = ref != null ? ref.get() : null;
1952            if (packageInfo == null || (packageInfo.mResources != null
1953                    && !packageInfo.mResources.getAssets().isUpToDate())) {
1954                if (localLOGV) Log.v(TAG, (includeCode ? "Loading code package "
1955                        : "Loading resource-only package ") + aInfo.packageName
1956                        + " (in " + (mBoundApplication != null
1957                                ? mBoundApplication.processName : null)
1958                        + ")");
1959                packageInfo =
1960                    new PackageInfo(this, aInfo, this, baseLoader,
1961                            securityViolation, includeCode &&
1962                            (aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0);
1963                if (includeCode) {
1964                    mPackages.put(aInfo.packageName,
1965                            new WeakReference<PackageInfo>(packageInfo));
1966                } else {
1967                    mResourcePackages.put(aInfo.packageName,
1968                            new WeakReference<PackageInfo>(packageInfo));
1969                }
1970            }
1971            return packageInfo;
1972        }
1973    }
1974
1975    public final boolean hasPackageInfo(String packageName) {
1976        synchronized (mPackages) {
1977            WeakReference<PackageInfo> ref;
1978            ref = mPackages.get(packageName);
1979            if (ref != null && ref.get() != null) {
1980                return true;
1981            }
1982            ref = mResourcePackages.get(packageName);
1983            if (ref != null && ref.get() != null) {
1984                return true;
1985            }
1986            return false;
1987        }
1988    }
1989
1990    ActivityThread() {
1991    }
1992
1993    public ApplicationThread getApplicationThread()
1994    {
1995        return mAppThread;
1996    }
1997
1998    public Instrumentation getInstrumentation()
1999    {
2000        return mInstrumentation;
2001    }
2002
2003    public Configuration getConfiguration() {
2004        return mConfiguration;
2005    }
2006
2007    public boolean isProfiling() {
2008        return mBoundApplication != null && mBoundApplication.profileFile != null;
2009    }
2010
2011    public String getProfileFilePath() {
2012        return mBoundApplication.profileFile;
2013    }
2014
2015    public Looper getLooper() {
2016        return mLooper;
2017    }
2018
2019    public Application getApplication() {
2020        return mInitialApplication;
2021    }
2022
2023    public ApplicationContext getSystemContext() {
2024        synchronized (this) {
2025            if (mSystemContext == null) {
2026                ApplicationContext context =
2027                    ApplicationContext.createSystemContext(this);
2028                PackageInfo info = new PackageInfo(this, "android", context);
2029                context.init(info, null, this);
2030                context.getResources().updateConfiguration(
2031                        getConfiguration(), getDisplayMetricsLocked(false));
2032                mSystemContext = context;
2033                //Log.i(TAG, "Created system resources " + context.getResources()
2034                //        + ": " + context.getResources().getConfiguration());
2035            }
2036        }
2037        return mSystemContext;
2038    }
2039
2040    void scheduleGcIdler() {
2041        if (!mGcIdlerScheduled) {
2042            mGcIdlerScheduled = true;
2043            Looper.myQueue().addIdleHandler(mGcIdler);
2044        }
2045        mH.removeMessages(H.GC_WHEN_IDLE);
2046    }
2047
2048    void unscheduleGcIdler() {
2049        if (mGcIdlerScheduled) {
2050            mGcIdlerScheduled = false;
2051            Looper.myQueue().removeIdleHandler(mGcIdler);
2052        }
2053        mH.removeMessages(H.GC_WHEN_IDLE);
2054    }
2055
2056    void doGcIfNeeded() {
2057        mGcIdlerScheduled = false;
2058        final long now = SystemClock.uptimeMillis();
2059        //Log.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime()
2060        //        + "m now=" + now);
2061        if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) {
2062            //Log.i(TAG, "**** WE DO, WE DO WANT TO GC!");
2063            BinderInternal.forceGc("bg");
2064        }
2065    }
2066
2067    public final ActivityInfo resolveActivityInfo(Intent intent) {
2068        ActivityInfo aInfo = intent.resolveActivityInfo(
2069                mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES);
2070        if (aInfo == null) {
2071            // Throw an exception.
2072            Instrumentation.checkStartActivityResult(
2073                    IActivityManager.START_CLASS_NOT_FOUND, intent);
2074        }
2075        return aInfo;
2076    }
2077
2078    public final Activity startActivityNow(Activity parent, String id,
2079            Intent intent, IBinder token, Bundle state) {
2080        ActivityInfo aInfo = resolveActivityInfo(intent);
2081        return startActivityNow(parent, id, intent, aInfo, token, state);
2082    }
2083
2084    public final Activity startActivityNow(Activity parent, String id,
2085            Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state) {
2086        return startActivityNow(parent, id, intent, activityInfo, token, state, null);
2087    }
2088
2089    public final Activity startActivityNow(Activity parent, String id,
2090        Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state,
2091        Object lastNonConfigurationInstance) {
2092        ActivityRecord r = new ActivityRecord();
2093            r.token = token;
2094            r.intent = intent;
2095            r.state = state;
2096            r.parent = parent;
2097            r.embeddedID = id;
2098            r.activityInfo = activityInfo;
2099            r.lastNonConfigurationInstance = lastNonConfigurationInstance;
2100        if (localLOGV) {
2101            ComponentName compname = intent.getComponent();
2102            String name;
2103            if (compname != null) {
2104                name = compname.toShortString();
2105            } else {
2106                name = "(Intent " + intent + ").getComponent() returned null";
2107            }
2108            Log.v(TAG, "Performing launch: action=" + intent.getAction()
2109                    + ", comp=" + name
2110                    + ", token=" + token);
2111        }
2112        return performLaunchActivity(r);
2113    }
2114
2115    public final Activity getActivity(IBinder token) {
2116        return mActivities.get(token).activity;
2117    }
2118
2119    public final void sendActivityResult(
2120            IBinder token, String id, int requestCode,
2121            int resultCode, Intent data) {
2122        if (DEBUG_RESULTS) Log.v(TAG, "sendActivityResult: id=" + id
2123                + " req=" + requestCode + " res=" + resultCode + " data=" + data);
2124        ArrayList<ResultInfo> list = new ArrayList<ResultInfo>();
2125        list.add(new ResultInfo(id, requestCode, resultCode, data));
2126        mAppThread.scheduleSendResult(token, list);
2127    }
2128
2129    // if the thread hasn't started yet, we don't have the handler, so just
2130    // save the messages until we're ready.
2131    private final void queueOrSendMessage(int what, Object obj) {
2132        queueOrSendMessage(what, obj, 0, 0);
2133    }
2134
2135    private final void queueOrSendMessage(int what, Object obj, int arg1) {
2136        queueOrSendMessage(what, obj, arg1, 0);
2137    }
2138
2139    private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
2140        synchronized (this) {
2141            if (localLOGV) Log.v(
2142                TAG, "SCHEDULE " + what + " " + mH.codeToString(what)
2143                + ": " + arg1 + " / " + obj);
2144            Message msg = Message.obtain();
2145            msg.what = what;
2146            msg.obj = obj;
2147            msg.arg1 = arg1;
2148            msg.arg2 = arg2;
2149            mH.sendMessage(msg);
2150        }
2151    }
2152
2153    final void scheduleContextCleanup(ApplicationContext context, String who,
2154            String what) {
2155        ContextCleanupInfo cci = new ContextCleanupInfo();
2156        cci.context = context;
2157        cci.who = who;
2158        cci.what = what;
2159        queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci);
2160    }
2161
2162    private final Activity performLaunchActivity(ActivityRecord r) {
2163        // System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")");
2164
2165        ActivityInfo aInfo = r.activityInfo;
2166        if (r.packageInfo == null) {
2167            r.packageInfo = getPackageInfo(aInfo.applicationInfo,
2168                    Context.CONTEXT_INCLUDE_CODE);
2169        }
2170
2171        ComponentName component = r.intent.getComponent();
2172        if (component == null) {
2173            component = r.intent.resolveActivity(
2174                mInitialApplication.getPackageManager());
2175            r.intent.setComponent(component);
2176        }
2177
2178        if (r.activityInfo.targetActivity != null) {
2179            component = new ComponentName(r.activityInfo.packageName,
2180                    r.activityInfo.targetActivity);
2181        }
2182
2183        Activity activity = null;
2184        try {
2185            java.lang.ClassLoader cl = r.packageInfo.getClassLoader();
2186            activity = mInstrumentation.newActivity(
2187                    cl, component.getClassName(), r.intent);
2188            r.intent.setExtrasClassLoader(cl);
2189            if (r.state != null) {
2190                r.state.setClassLoader(cl);
2191            }
2192        } catch (Exception e) {
2193            if (!mInstrumentation.onException(activity, e)) {
2194                throw new RuntimeException(
2195                    "Unable to instantiate activity " + component
2196                    + ": " + e.toString(), e);
2197            }
2198        }
2199
2200        try {
2201            Application app = r.packageInfo.makeApplication();
2202
2203            if (localLOGV) Log.v(TAG, "Performing launch of " + r);
2204            if (localLOGV) Log.v(
2205                    TAG, r + ": app=" + app
2206                    + ", appName=" + app.getPackageName()
2207                    + ", pkg=" + r.packageInfo.getPackageName()
2208                    + ", comp=" + r.intent.getComponent().toShortString()
2209                    + ", dir=" + r.packageInfo.getAppDir());
2210
2211            if (activity != null) {
2212                ApplicationContext appContext = new ApplicationContext();
2213                appContext.init(r.packageInfo, r.token, this);
2214                appContext.setOuterContext(activity);
2215                CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager());
2216                Configuration config = new Configuration(mConfiguration);
2217                activity.attach(appContext, this, getInstrumentation(), r.token, app,
2218                        r.intent, r.activityInfo, title, r.parent, r.embeddedID,
2219                        r.lastNonConfigurationInstance, r.lastNonConfigurationChildInstances,
2220                        config);
2221
2222                r.lastNonConfigurationInstance = null;
2223                r.lastNonConfigurationChildInstances = null;
2224                activity.mStartedActivity = false;
2225                int theme = r.activityInfo.getThemeResource();
2226                if (theme != 0) {
2227                    activity.setTheme(theme);
2228                }
2229
2230                activity.mCalled = false;
2231                mInstrumentation.callActivityOnCreate(activity, r.state);
2232                if (!activity.mCalled) {
2233                    throw new SuperNotCalledException(
2234                        "Activity " + r.intent.getComponent().toShortString() +
2235                        " did not call through to super.onCreate()");
2236                }
2237                r.activity = activity;
2238                r.stopped = true;
2239                if (!r.activity.mFinished) {
2240                    activity.performStart();
2241                    r.stopped = false;
2242                }
2243                if (!r.activity.mFinished) {
2244                    if (r.state != null) {
2245                        mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state);
2246                    }
2247                }
2248                if (!r.activity.mFinished) {
2249                    activity.mCalled = false;
2250                    mInstrumentation.callActivityOnPostCreate(activity, r.state);
2251                    if (!activity.mCalled) {
2252                        throw new SuperNotCalledException(
2253                            "Activity " + r.intent.getComponent().toShortString() +
2254                            " did not call through to super.onPostCreate()");
2255                    }
2256                }
2257                r.state = null;
2258            }
2259            r.paused = true;
2260
2261            mActivities.put(r.token, r);
2262
2263        } catch (SuperNotCalledException e) {
2264            throw e;
2265
2266        } catch (Exception e) {
2267            if (!mInstrumentation.onException(activity, e)) {
2268                throw new RuntimeException(
2269                    "Unable to start activity " + component
2270                    + ": " + e.toString(), e);
2271            }
2272        }
2273
2274        return activity;
2275    }
2276
2277    private final void handleLaunchActivity(ActivityRecord r) {
2278        // If we are getting ready to gc after going to the background, well
2279        // we are back active so skip it.
2280        unscheduleGcIdler();
2281
2282        if (localLOGV) Log.v(
2283            TAG, "Handling launch of " + r);
2284        Activity a = performLaunchActivity(r);
2285
2286        if (a != null) {
2287            handleResumeActivity(r.token, false, r.isForward);
2288
2289            if (!r.activity.mFinished && r.startsNotResumed) {
2290                // The activity manager actually wants this one to start out
2291                // paused, because it needs to be visible but isn't in the
2292                // foreground.  We accomplish this by going through the
2293                // normal startup (because activities expect to go through
2294                // onResume() the first time they run, before their window
2295                // is displayed), and then pausing it.  However, in this case
2296                // we do -not- need to do the full pause cycle (of freezing
2297                // and such) because the activity manager assumes it can just
2298                // retain the current state it has.
2299                try {
2300                    r.activity.mCalled = false;
2301                    mInstrumentation.callActivityOnPause(r.activity);
2302                    if (!r.activity.mCalled) {
2303                        throw new SuperNotCalledException(
2304                            "Activity " + r.intent.getComponent().toShortString() +
2305                            " did not call through to super.onPause()");
2306                    }
2307
2308                } catch (SuperNotCalledException e) {
2309                    throw e;
2310
2311                } catch (Exception e) {
2312                    if (!mInstrumentation.onException(r.activity, e)) {
2313                        throw new RuntimeException(
2314                                "Unable to pause activity "
2315                                + r.intent.getComponent().toShortString()
2316                                + ": " + e.toString(), e);
2317                    }
2318                }
2319                r.paused = true;
2320            }
2321        } else {
2322            // If there was an error, for any reason, tell the activity
2323            // manager to stop us.
2324            try {
2325                ActivityManagerNative.getDefault()
2326                    .finishActivity(r.token, Activity.RESULT_CANCELED, null);
2327            } catch (RemoteException ex) {
2328            }
2329        }
2330    }
2331
2332    private final void deliverNewIntents(ActivityRecord r,
2333            List<Intent> intents) {
2334        final int N = intents.size();
2335        for (int i=0; i<N; i++) {
2336            Intent intent = intents.get(i);
2337            intent.setExtrasClassLoader(r.activity.getClassLoader());
2338            mInstrumentation.callActivityOnNewIntent(r.activity, intent);
2339        }
2340    }
2341
2342    public final void performNewIntents(IBinder token,
2343            List<Intent> intents) {
2344        ActivityRecord r = mActivities.get(token);
2345        if (r != null) {
2346            final boolean resumed = !r.paused;
2347            if (resumed) {
2348                mInstrumentation.callActivityOnPause(r.activity);
2349            }
2350            deliverNewIntents(r, intents);
2351            if (resumed) {
2352                mInstrumentation.callActivityOnResume(r.activity);
2353            }
2354        }
2355    }
2356
2357    private final void handleNewIntent(NewIntentData data) {
2358        performNewIntents(data.token, data.intents);
2359    }
2360
2361    private final void handleReceiver(ReceiverData data) {
2362        // If we are getting ready to gc after going to the background, well
2363        // we are back active so skip it.
2364        unscheduleGcIdler();
2365
2366        String component = data.intent.getComponent().getClassName();
2367
2368        PackageInfo packageInfo = getPackageInfoNoCheck(
2369                data.info.applicationInfo);
2370
2371        IActivityManager mgr = ActivityManagerNative.getDefault();
2372
2373        BroadcastReceiver receiver = null;
2374        try {
2375            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2376            data.intent.setExtrasClassLoader(cl);
2377            if (data.resultExtras != null) {
2378                data.resultExtras.setClassLoader(cl);
2379            }
2380            receiver = (BroadcastReceiver)cl.loadClass(component).newInstance();
2381        } catch (Exception e) {
2382            try {
2383                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2384                                   data.resultData, data.resultExtras, data.resultAbort);
2385            } catch (RemoteException ex) {
2386            }
2387            throw new RuntimeException(
2388                "Unable to instantiate receiver " + component
2389                + ": " + e.toString(), e);
2390        }
2391
2392        try {
2393            Application app = packageInfo.makeApplication();
2394
2395            if (localLOGV) Log.v(
2396                TAG, "Performing receive of " + data.intent
2397                + ": app=" + app
2398                + ", appName=" + app.getPackageName()
2399                + ", pkg=" + packageInfo.getPackageName()
2400                + ", comp=" + data.intent.getComponent().toShortString()
2401                + ", dir=" + packageInfo.getAppDir());
2402
2403            ApplicationContext context = (ApplicationContext)app.getBaseContext();
2404            receiver.setOrderedHint(true);
2405            receiver.setResult(data.resultCode, data.resultData,
2406                data.resultExtras);
2407            receiver.setOrderedHint(data.sync);
2408            receiver.onReceive(context.getReceiverRestrictedContext(),
2409                    data.intent);
2410        } catch (Exception e) {
2411            try {
2412                mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
2413                    data.resultData, data.resultExtras, data.resultAbort);
2414            } catch (RemoteException ex) {
2415            }
2416            if (!mInstrumentation.onException(receiver, e)) {
2417                throw new RuntimeException(
2418                    "Unable to start receiver " + component
2419                    + ": " + e.toString(), e);
2420            }
2421        }
2422
2423        try {
2424            if (data.sync) {
2425                mgr.finishReceiver(
2426                    mAppThread.asBinder(), receiver.getResultCode(),
2427                    receiver.getResultData(), receiver.getResultExtras(false),
2428                        receiver.getAbortBroadcast());
2429            } else {
2430                mgr.finishReceiver(mAppThread.asBinder(), 0, null, null, false);
2431            }
2432        } catch (RemoteException ex) {
2433        }
2434    }
2435
2436    private final void handleCreateService(CreateServiceData data) {
2437        // If we are getting ready to gc after going to the background, well
2438        // we are back active so skip it.
2439        unscheduleGcIdler();
2440
2441        PackageInfo packageInfo = getPackageInfoNoCheck(
2442                data.info.applicationInfo);
2443        Service service = null;
2444        try {
2445            java.lang.ClassLoader cl = packageInfo.getClassLoader();
2446            service = (Service) cl.loadClass(data.info.name).newInstance();
2447        } catch (Exception e) {
2448            if (!mInstrumentation.onException(service, e)) {
2449                throw new RuntimeException(
2450                    "Unable to instantiate service " + data.info.name
2451                    + ": " + e.toString(), e);
2452            }
2453        }
2454
2455        try {
2456            if (localLOGV) Log.v(TAG, "Creating service " + data.info.name);
2457
2458            ApplicationContext context = new ApplicationContext();
2459            context.init(packageInfo, null, this);
2460
2461            Application app = packageInfo.makeApplication();
2462            context.setOuterContext(service);
2463            service.attach(context, this, data.info.name, data.token, app,
2464                    ActivityManagerNative.getDefault());
2465            service.onCreate();
2466            mServices.put(data.token, service);
2467            try {
2468                ActivityManagerNative.getDefault().serviceDoneExecuting(data.token);
2469            } catch (RemoteException e) {
2470                // nothing to do.
2471            }
2472        } catch (Exception e) {
2473            if (!mInstrumentation.onException(service, e)) {
2474                throw new RuntimeException(
2475                    "Unable to create service " + data.info.name
2476                    + ": " + e.toString(), e);
2477            }
2478        }
2479    }
2480
2481    private final void handleBindService(BindServiceData data) {
2482        Service s = mServices.get(data.token);
2483        if (s != null) {
2484            try {
2485                data.intent.setExtrasClassLoader(s.getClassLoader());
2486                try {
2487                    if (!data.rebind) {
2488                        IBinder binder = s.onBind(data.intent);
2489                        ActivityManagerNative.getDefault().publishService(
2490                                data.token, data.intent, binder);
2491                    } else {
2492                        s.onRebind(data.intent);
2493                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2494                                data.token);
2495                    }
2496                } catch (RemoteException ex) {
2497                }
2498            } catch (Exception e) {
2499                if (!mInstrumentation.onException(s, e)) {
2500                    throw new RuntimeException(
2501                            "Unable to bind to service " + s
2502                            + " with " + data.intent + ": " + e.toString(), e);
2503                }
2504            }
2505        }
2506    }
2507
2508    private final void handleUnbindService(BindServiceData data) {
2509        Service s = mServices.get(data.token);
2510        if (s != null) {
2511            try {
2512                data.intent.setExtrasClassLoader(s.getClassLoader());
2513                boolean doRebind = s.onUnbind(data.intent);
2514                try {
2515                    if (doRebind) {
2516                        ActivityManagerNative.getDefault().unbindFinished(
2517                                data.token, data.intent, doRebind);
2518                    } else {
2519                        ActivityManagerNative.getDefault().serviceDoneExecuting(
2520                                data.token);
2521                    }
2522                } catch (RemoteException ex) {
2523                }
2524            } catch (Exception e) {
2525                if (!mInstrumentation.onException(s, e)) {
2526                    throw new RuntimeException(
2527                            "Unable to unbind to service " + s
2528                            + " with " + data.intent + ": " + e.toString(), e);
2529                }
2530            }
2531        }
2532    }
2533
2534    private void handleDumpService(DumpServiceInfo info) {
2535        try {
2536            Service s = mServices.get(info.service);
2537            if (s != null) {
2538                PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd));
2539                s.dump(info.fd, pw, info.args);
2540                pw.close();
2541            }
2542        } finally {
2543            synchronized (info) {
2544                info.dumped = true;
2545                info.notifyAll();
2546            }
2547        }
2548    }
2549
2550    private final void handleServiceArgs(ServiceArgsData data) {
2551        Service s = mServices.get(data.token);
2552        if (s != null) {
2553            try {
2554                if (data.args != null) {
2555                    data.args.setExtrasClassLoader(s.getClassLoader());
2556                }
2557                s.onStart(data.args, data.startId);
2558                try {
2559                    ActivityManagerNative.getDefault().serviceDoneExecuting(data.token);
2560                } catch (RemoteException e) {
2561                    // nothing to do.
2562                }
2563            } catch (Exception e) {
2564                if (!mInstrumentation.onException(s, e)) {
2565                    throw new RuntimeException(
2566                            "Unable to start service " + s
2567                            + " with " + data.args + ": " + e.toString(), e);
2568                }
2569            }
2570        }
2571    }
2572
2573    private final void handleStopService(IBinder token) {
2574        Service s = mServices.remove(token);
2575        if (s != null) {
2576            try {
2577                if (localLOGV) Log.v(TAG, "Destroying service " + s);
2578                s.onDestroy();
2579                Context context = s.getBaseContext();
2580                if (context instanceof ApplicationContext) {
2581                    final String who = s.getClassName();
2582                    ((ApplicationContext) context).scheduleFinalCleanup(who, "Service");
2583                }
2584                try {
2585                    ActivityManagerNative.getDefault().serviceDoneExecuting(token);
2586                } catch (RemoteException e) {
2587                    // nothing to do.
2588                }
2589            } catch (Exception e) {
2590                if (!mInstrumentation.onException(s, e)) {
2591                    throw new RuntimeException(
2592                            "Unable to stop service " + s
2593                            + ": " + e.toString(), e);
2594                }
2595            }
2596        }
2597        //Log.i(TAG, "Running services: " + mServices);
2598    }
2599
2600    public final ActivityRecord performResumeActivity(IBinder token,
2601            boolean clearHide) {
2602        ActivityRecord r = mActivities.get(token);
2603        if (localLOGV) Log.v(TAG, "Performing resume of " + r
2604                + " finished=" + r.activity.mFinished);
2605        if (r != null && !r.activity.mFinished) {
2606            if (clearHide) {
2607                r.hideForNow = false;
2608                r.activity.mStartedActivity = false;
2609            }
2610            try {
2611                if (r.pendingIntents != null) {
2612                    deliverNewIntents(r, r.pendingIntents);
2613                    r.pendingIntents = null;
2614                }
2615                if (r.pendingResults != null) {
2616                    deliverResults(r, r.pendingResults);
2617                    r.pendingResults = null;
2618                }
2619                r.activity.performResume();
2620
2621                EventLog.writeEvent(LOG_ON_RESUME_CALLED,
2622                        r.activity.getComponentName().getClassName());
2623
2624                r.paused = false;
2625                r.stopped = false;
2626                if (r.activity.mStartedActivity) {
2627                    r.hideForNow = true;
2628                }
2629                r.state = null;
2630            } catch (Exception e) {
2631                if (!mInstrumentation.onException(r.activity, e)) {
2632                    throw new RuntimeException(
2633                        "Unable to resume activity "
2634                        + r.intent.getComponent().toShortString()
2635                        + ": " + e.toString(), e);
2636                }
2637            }
2638        }
2639        return r;
2640    }
2641
2642    final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) {
2643        // If we are getting ready to gc after going to the background, well
2644        // we are back active so skip it.
2645        unscheduleGcIdler();
2646
2647        ActivityRecord r = performResumeActivity(token, clearHide);
2648
2649        if (r != null) {
2650            final Activity a = r.activity;
2651
2652            if (localLOGV) Log.v(
2653                TAG, "Resume " + r + " started activity: " +
2654                a.mStartedActivity + ", hideForNow: " + r.hideForNow
2655                + ", finished: " + a.mFinished);
2656
2657            final int forwardBit = isForward ?
2658                    WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0;
2659
2660            // If the window hasn't yet been added to the window manager,
2661            // and this guy didn't finish itself or start another activity,
2662            // then go ahead and add the window.
2663            if (r.window == null && !a.mFinished && !a.mStartedActivity) {
2664                r.window = r.activity.getWindow();
2665                View decor = r.window.getDecorView();
2666                decor.setVisibility(View.INVISIBLE);
2667                ViewManager wm = a.getWindowManager();
2668                WindowManager.LayoutParams l = r.window.getAttributes();
2669                a.mDecor = decor;
2670                l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
2671                l.softInputMode |= forwardBit;
2672                if (a.mVisibleFromClient) {
2673                    a.mWindowAdded = true;
2674                    wm.addView(decor, l);
2675                }
2676
2677            // If the window has already been added, but during resume
2678            // we started another activity, then don't yet make the
2679            // window visisble.
2680            } else if (a.mStartedActivity) {
2681                if (localLOGV) Log.v(
2682                    TAG, "Launch " + r + " mStartedActivity set");
2683                r.hideForNow = true;
2684            }
2685
2686            // The window is now visible if it has been added, we are not
2687            // simply finishing, and we are not starting another activity.
2688            if (!r.activity.mFinished && r.activity.mDecor != null
2689                    && !r.hideForNow) {
2690                if (r.newConfig != null) {
2691                    performConfigurationChanged(r.activity, r.newConfig);
2692                    r.newConfig = null;
2693                }
2694                if (localLOGV) Log.v(TAG, "Resuming " + r + " with isForward="
2695                        + isForward);
2696                WindowManager.LayoutParams l = r.window.getAttributes();
2697                if ((l.softInputMode
2698                        & WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)
2699                        != forwardBit) {
2700                    l.softInputMode = (l.softInputMode
2701                            & (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION))
2702                            | forwardBit;
2703                    ViewManager wm = a.getWindowManager();
2704                    View decor = r.window.getDecorView();
2705                    wm.updateViewLayout(decor, l);
2706                }
2707                r.activity.mVisibleFromServer = true;
2708                mNumVisibleActivities++;
2709                if (r.activity.mVisibleFromClient) {
2710                    r.activity.makeVisible();
2711                }
2712            }
2713
2714            r.nextIdle = mNewActivities;
2715            mNewActivities = r;
2716            if (localLOGV) Log.v(
2717                TAG, "Scheduling idle handler for " + r);
2718            Looper.myQueue().addIdleHandler(new Idler());
2719
2720        } else {
2721            // If an exception was thrown when trying to resume, then
2722            // just end this activity.
2723            try {
2724                ActivityManagerNative.getDefault()
2725                    .finishActivity(token, Activity.RESULT_CANCELED, null);
2726            } catch (RemoteException ex) {
2727            }
2728        }
2729    }
2730
2731    private int mThumbnailWidth = -1;
2732    private int mThumbnailHeight = -1;
2733
2734    private final Bitmap createThumbnailBitmap(ActivityRecord r) {
2735        Bitmap thumbnail = null;
2736        try {
2737            int w = mThumbnailWidth;
2738            int h;
2739            if (w < 0) {
2740                Resources res = r.activity.getResources();
2741                mThumbnailHeight = h =
2742                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
2743
2744                mThumbnailWidth = w =
2745                    res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
2746            } else {
2747                h = mThumbnailHeight;
2748            }
2749
2750            // XXX Only set hasAlpha if needed?
2751            thumbnail = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
2752            thumbnail.eraseColor(0);
2753            Canvas cv = new Canvas(thumbnail);
2754            if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
2755                thumbnail = null;
2756            }
2757        } catch (Exception e) {
2758            if (!mInstrumentation.onException(r.activity, e)) {
2759                throw new RuntimeException(
2760                        "Unable to create thumbnail of "
2761                        + r.intent.getComponent().toShortString()
2762                        + ": " + e.toString(), e);
2763            }
2764            thumbnail = null;
2765        }
2766
2767        return thumbnail;
2768    }
2769
2770    private final void handlePauseActivity(IBinder token, boolean finished,
2771            boolean userLeaving, int configChanges) {
2772        ActivityRecord r = mActivities.get(token);
2773        if (r != null) {
2774            //Log.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r);
2775            if (userLeaving) {
2776                performUserLeavingActivity(r);
2777            }
2778
2779            r.activity.mConfigChangeFlags |= configChanges;
2780            Bundle state = performPauseActivity(token, finished, true);
2781
2782            // Tell the activity manager we have paused.
2783            try {
2784                ActivityManagerNative.getDefault().activityPaused(token, state);
2785            } catch (RemoteException ex) {
2786            }
2787        }
2788    }
2789
2790    final void performUserLeavingActivity(ActivityRecord r) {
2791        mInstrumentation.callActivityOnUserLeaving(r.activity);
2792    }
2793
2794    final Bundle performPauseActivity(IBinder token, boolean finished,
2795            boolean saveState) {
2796        ActivityRecord r = mActivities.get(token);
2797        return r != null ? performPauseActivity(r, finished, saveState) : null;
2798    }
2799
2800    final Bundle performPauseActivity(ActivityRecord r, boolean finished,
2801            boolean saveState) {
2802        if (r.paused) {
2803            if (r.activity.mFinished) {
2804                // If we are finishing, we won't call onResume() in certain cases.
2805                // So here we likewise don't want to call onPause() if the activity
2806                // isn't resumed.
2807                return null;
2808            }
2809            RuntimeException e = new RuntimeException(
2810                    "Performing pause of activity that is not resumed: "
2811                    + r.intent.getComponent().toShortString());
2812            Log.e(TAG, e.getMessage(), e);
2813        }
2814        Bundle state = null;
2815        if (finished) {
2816            r.activity.mFinished = true;
2817        }
2818        try {
2819            // Next have the activity save its current state and managed dialogs...
2820            if (!r.activity.mFinished && saveState) {
2821                state = new Bundle();
2822                mInstrumentation.callActivityOnSaveInstanceState(r.activity, state);
2823                r.state = state;
2824            }
2825            // Now we are idle.
2826            r.activity.mCalled = false;
2827            mInstrumentation.callActivityOnPause(r.activity);
2828            EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName());
2829            if (!r.activity.mCalled) {
2830                throw new SuperNotCalledException(
2831                    "Activity " + r.intent.getComponent().toShortString() +
2832                    " did not call through to super.onPause()");
2833            }
2834
2835        } catch (SuperNotCalledException e) {
2836            throw e;
2837
2838        } catch (Exception e) {
2839            if (!mInstrumentation.onException(r.activity, e)) {
2840                throw new RuntimeException(
2841                        "Unable to pause activity "
2842                        + r.intent.getComponent().toShortString()
2843                        + ": " + e.toString(), e);
2844            }
2845        }
2846        r.paused = true;
2847        return state;
2848    }
2849
2850    final void performStopActivity(IBinder token) {
2851        ActivityRecord r = mActivities.get(token);
2852        performStopActivityInner(r, null, false);
2853    }
2854
2855    private static class StopInfo {
2856        Bitmap thumbnail;
2857        CharSequence description;
2858    }
2859
2860    private final class ProviderRefCount {
2861        public int count;
2862        ProviderRefCount(int pCount) {
2863            count = pCount;
2864        }
2865    }
2866
2867    private final void performStopActivityInner(ActivityRecord r,
2868            StopInfo info, boolean keepShown) {
2869        if (localLOGV) Log.v(TAG, "Performing stop of " + r);
2870        if (r != null) {
2871            if (!keepShown && r.stopped) {
2872                if (r.activity.mFinished) {
2873                    // If we are finishing, we won't call onResume() in certain
2874                    // cases.  So here we likewise don't want to call onStop()
2875                    // if the activity isn't resumed.
2876                    return;
2877                }
2878                RuntimeException e = new RuntimeException(
2879                        "Performing stop of activity that is not resumed: "
2880                        + r.intent.getComponent().toShortString());
2881                Log.e(TAG, e.getMessage(), e);
2882            }
2883
2884            if (info != null) {
2885                try {
2886                    // First create a thumbnail for the activity...
2887                    //info.thumbnail = createThumbnailBitmap(r);
2888                    info.description = r.activity.onCreateDescription();
2889                } catch (Exception e) {
2890                    if (!mInstrumentation.onException(r.activity, e)) {
2891                        throw new RuntimeException(
2892                                "Unable to save state of activity "
2893                                + r.intent.getComponent().toShortString()
2894                                + ": " + e.toString(), e);
2895                    }
2896                }
2897            }
2898
2899            if (!keepShown) {
2900                try {
2901                    // Now we are idle.
2902                    r.activity.performStop();
2903                } catch (Exception e) {
2904                    if (!mInstrumentation.onException(r.activity, e)) {
2905                        throw new RuntimeException(
2906                                "Unable to stop activity "
2907                                + r.intent.getComponent().toShortString()
2908                                + ": " + e.toString(), e);
2909                    }
2910                }
2911                r.stopped = true;
2912            }
2913
2914            r.paused = true;
2915        }
2916    }
2917
2918    private final void updateVisibility(ActivityRecord r, boolean show) {
2919        View v = r.activity.mDecor;
2920        if (v != null) {
2921            if (show) {
2922                if (!r.activity.mVisibleFromServer) {
2923                    r.activity.mVisibleFromServer = true;
2924                    mNumVisibleActivities++;
2925                    if (r.activity.mVisibleFromClient) {
2926                        r.activity.makeVisible();
2927                    }
2928                }
2929                if (r.newConfig != null) {
2930                    performConfigurationChanged(r.activity, r.newConfig);
2931                    r.newConfig = null;
2932                }
2933            } else {
2934                if (r.activity.mVisibleFromServer) {
2935                    r.activity.mVisibleFromServer = false;
2936                    mNumVisibleActivities--;
2937                    v.setVisibility(View.INVISIBLE);
2938                }
2939            }
2940        }
2941    }
2942
2943    private final void handleStopActivity(IBinder token, boolean show, int configChanges) {
2944        ActivityRecord r = mActivities.get(token);
2945        r.activity.mConfigChangeFlags |= configChanges;
2946
2947        StopInfo info = new StopInfo();
2948        performStopActivityInner(r, info, show);
2949
2950        if (localLOGV) Log.v(
2951            TAG, "Finishing stop of " + r + ": show=" + show
2952            + " win=" + r.window);
2953
2954        updateVisibility(r, show);
2955
2956        // Tell activity manager we have been stopped.
2957        try {
2958            ActivityManagerNative.getDefault().activityStopped(
2959                r.token, info.thumbnail, info.description);
2960        } catch (RemoteException ex) {
2961        }
2962    }
2963
2964    final void performRestartActivity(IBinder token) {
2965        ActivityRecord r = mActivities.get(token);
2966        if (r.stopped) {
2967            r.activity.performRestart();
2968            r.stopped = false;
2969        }
2970    }
2971
2972    private final void handleWindowVisibility(IBinder token, boolean show) {
2973        ActivityRecord r = mActivities.get(token);
2974        if (!show && !r.stopped) {
2975            performStopActivityInner(r, null, show);
2976        } else if (show && r.stopped) {
2977            // If we are getting ready to gc after going to the background, well
2978            // we are back active so skip it.
2979            unscheduleGcIdler();
2980
2981            r.activity.performRestart();
2982            r.stopped = false;
2983        }
2984        if (r.activity.mDecor != null) {
2985            if (Config.LOGV) Log.v(
2986                TAG, "Handle window " + r + " visibility: " + show);
2987            updateVisibility(r, show);
2988        }
2989    }
2990
2991    private final void deliverResults(ActivityRecord r, List<ResultInfo> results) {
2992        final int N = results.size();
2993        for (int i=0; i<N; i++) {
2994            ResultInfo ri = results.get(i);
2995            try {
2996                if (ri.mData != null) {
2997                    ri.mData.setExtrasClassLoader(r.activity.getClassLoader());
2998                }
2999                if (DEBUG_RESULTS) Log.v(TAG,
3000                        "Delivering result to activity " + r + " : " + ri);
3001                r.activity.dispatchActivityResult(ri.mResultWho,
3002                        ri.mRequestCode, ri.mResultCode, ri.mData);
3003            } catch (Exception e) {
3004                if (!mInstrumentation.onException(r.activity, e)) {
3005                    throw new RuntimeException(
3006                            "Failure delivering result " + ri + " to activity "
3007                            + r.intent.getComponent().toShortString()
3008                            + ": " + e.toString(), e);
3009                }
3010            }
3011        }
3012    }
3013
3014    private final void handleSendResult(ResultData res) {
3015        ActivityRecord r = mActivities.get(res.token);
3016        if (DEBUG_RESULTS) Log.v(TAG, "Handling send result to " + r);
3017        if (r != null) {
3018            final boolean resumed = !r.paused;
3019            if (!r.activity.mFinished && r.activity.mDecor != null
3020                    && r.hideForNow && resumed) {
3021                // We had hidden the activity because it started another
3022                // one...  we have gotten a result back and we are not
3023                // paused, so make sure our window is visible.
3024                updateVisibility(r, true);
3025            }
3026            if (resumed) {
3027                try {
3028                    // Now we are idle.
3029                    r.activity.mCalled = false;
3030                    mInstrumentation.callActivityOnPause(r.activity);
3031                    if (!r.activity.mCalled) {
3032                        throw new SuperNotCalledException(
3033                            "Activity " + r.intent.getComponent().toShortString()
3034                            + " did not call through to super.onPause()");
3035                    }
3036                } catch (SuperNotCalledException e) {
3037                    throw e;
3038                } catch (Exception e) {
3039                    if (!mInstrumentation.onException(r.activity, e)) {
3040                        throw new RuntimeException(
3041                                "Unable to pause activity "
3042                                + r.intent.getComponent().toShortString()
3043                                + ": " + e.toString(), e);
3044                    }
3045                }
3046            }
3047            deliverResults(r, res.results);
3048            if (resumed) {
3049                mInstrumentation.callActivityOnResume(r.activity);
3050            }
3051        }
3052    }
3053
3054    public final ActivityRecord performDestroyActivity(IBinder token, boolean finishing) {
3055        return performDestroyActivity(token, finishing, 0, false);
3056    }
3057
3058    private final ActivityRecord performDestroyActivity(IBinder token, boolean finishing,
3059            int configChanges, boolean getNonConfigInstance) {
3060        ActivityRecord r = mActivities.get(token);
3061        if (localLOGV) Log.v(TAG, "Performing finish of " + r);
3062        if (r != null) {
3063            r.activity.mConfigChangeFlags |= configChanges;
3064            if (finishing) {
3065                r.activity.mFinished = true;
3066            }
3067            if (!r.paused) {
3068                try {
3069                    r.activity.mCalled = false;
3070                    mInstrumentation.callActivityOnPause(r.activity);
3071                    EventLog.writeEvent(LOG_ON_PAUSE_CALLED,
3072                            r.activity.getComponentName().getClassName());
3073                    if (!r.activity.mCalled) {
3074                        throw new SuperNotCalledException(
3075                            "Activity " + r.intent.getComponent().toShortString()
3076                            + " did not call through to super.onPause()");
3077                    }
3078                } catch (SuperNotCalledException e) {
3079                    throw e;
3080                } catch (Exception e) {
3081                    if (!mInstrumentation.onException(r.activity, e)) {
3082                        throw new RuntimeException(
3083                                "Unable to pause activity "
3084                                + r.intent.getComponent().toShortString()
3085                                + ": " + e.toString(), e);
3086                    }
3087                }
3088                r.paused = true;
3089            }
3090            if (!r.stopped) {
3091                try {
3092                    r.activity.performStop();
3093                } catch (SuperNotCalledException e) {
3094                    throw e;
3095                } catch (Exception e) {
3096                    if (!mInstrumentation.onException(r.activity, e)) {
3097                        throw new RuntimeException(
3098                                "Unable to stop activity "
3099                                + r.intent.getComponent().toShortString()
3100                                + ": " + e.toString(), e);
3101                    }
3102                }
3103                r.stopped = true;
3104            }
3105            if (getNonConfigInstance) {
3106                try {
3107                    r.lastNonConfigurationInstance
3108                            = r.activity.onRetainNonConfigurationInstance();
3109                } catch (Exception e) {
3110                    if (!mInstrumentation.onException(r.activity, e)) {
3111                        throw new RuntimeException(
3112                                "Unable to retain activity "
3113                                + r.intent.getComponent().toShortString()
3114                                + ": " + e.toString(), e);
3115                    }
3116                }
3117                try {
3118                    r.lastNonConfigurationChildInstances
3119                            = r.activity.onRetainNonConfigurationChildInstances();
3120                } catch (Exception e) {
3121                    if (!mInstrumentation.onException(r.activity, e)) {
3122                        throw new RuntimeException(
3123                                "Unable to retain child activities "
3124                                + r.intent.getComponent().toShortString()
3125                                + ": " + e.toString(), e);
3126                    }
3127                }
3128
3129            }
3130            try {
3131                r.activity.mCalled = false;
3132                r.activity.onDestroy();
3133                if (!r.activity.mCalled) {
3134                    throw new SuperNotCalledException(
3135                        "Activity " + r.intent.getComponent().toShortString() +
3136                        " did not call through to super.onDestroy()");
3137                }
3138                if (r.window != null) {
3139                    r.window.closeAllPanels();
3140                }
3141            } catch (SuperNotCalledException e) {
3142                throw e;
3143            } catch (Exception e) {
3144                if (!mInstrumentation.onException(r.activity, e)) {
3145                    throw new RuntimeException(
3146                            "Unable to destroy activity "
3147                            + r.intent.getComponent().toShortString()
3148                            + ": " + e.toString(), e);
3149                }
3150            }
3151        }
3152        mActivities.remove(token);
3153
3154        return r;
3155    }
3156
3157    private final void handleDestroyActivity(IBinder token, boolean finishing,
3158            int configChanges, boolean getNonConfigInstance) {
3159        ActivityRecord r = performDestroyActivity(token, finishing,
3160                configChanges, getNonConfigInstance);
3161        if (r != null) {
3162            WindowManager wm = r.activity.getWindowManager();
3163            View v = r.activity.mDecor;
3164            if (v != null) {
3165                if (r.activity.mVisibleFromServer) {
3166                    mNumVisibleActivities--;
3167                }
3168                IBinder wtoken = v.getWindowToken();
3169                if (r.activity.mWindowAdded) {
3170                    wm.removeViewImmediate(v);
3171                }
3172                if (wtoken != null) {
3173                    WindowManagerImpl.getDefault().closeAll(wtoken,
3174                            r.activity.getClass().getName(), "Activity");
3175                }
3176                r.activity.mDecor = null;
3177            }
3178            WindowManagerImpl.getDefault().closeAll(token,
3179                    r.activity.getClass().getName(), "Activity");
3180
3181            // Mocked out contexts won't be participating in the normal
3182            // process lifecycle, but if we're running with a proper
3183            // ApplicationContext we need to have it tear down things
3184            // cleanly.
3185            Context c = r.activity.getBaseContext();
3186            if (c instanceof ApplicationContext) {
3187                ((ApplicationContext) c).scheduleFinalCleanup(
3188                        r.activity.getClass().getName(), "Activity");
3189            }
3190        }
3191        if (finishing) {
3192            try {
3193                ActivityManagerNative.getDefault().activityDestroyed(token);
3194            } catch (RemoteException ex) {
3195                // If the system process has died, it's game over for everyone.
3196            }
3197        }
3198    }
3199
3200    private final void handleRelaunchActivity(ActivityRecord tmp, int configChanges) {
3201        // If we are getting ready to gc after going to the background, well
3202        // we are back active so skip it.
3203        unscheduleGcIdler();
3204
3205        Configuration changedConfig = null;
3206
3207        // First: make sure we have the most recent configuration and most
3208        // recent version of the activity, or skip it if some previous call
3209        // had taken a more recent version.
3210        synchronized (mRelaunchingActivities) {
3211            int N = mRelaunchingActivities.size();
3212            IBinder token = tmp.token;
3213            tmp = null;
3214            for (int i=0; i<N; i++) {
3215                ActivityRecord r = mRelaunchingActivities.get(i);
3216                if (r.token == token) {
3217                    tmp = r;
3218                    mRelaunchingActivities.remove(i);
3219                    i--;
3220                    N--;
3221                }
3222            }
3223
3224            if (tmp == null) {
3225                return;
3226            }
3227
3228            if (mPendingConfiguration != null) {
3229                changedConfig = mPendingConfiguration;
3230                mPendingConfiguration = null;
3231            }
3232        }
3233
3234        // If there was a pending configuration change, execute it first.
3235        if (changedConfig != null) {
3236            handleConfigurationChanged(changedConfig);
3237        }
3238
3239        ActivityRecord r = mActivities.get(tmp.token);
3240        if (localLOGV) Log.v(TAG, "Handling relaunch of " + r);
3241        if (r == null) {
3242            return;
3243        }
3244
3245        r.activity.mConfigChangeFlags |= configChanges;
3246
3247        Bundle savedState = null;
3248        if (!r.paused) {
3249            savedState = performPauseActivity(r.token, false, true);
3250        }
3251
3252        handleDestroyActivity(r.token, false, configChanges, true);
3253
3254        r.activity = null;
3255        r.window = null;
3256        r.hideForNow = false;
3257        r.nextIdle = null;
3258        // Merge any pending results and pending intents; don't just replace them
3259        if (tmp.pendingResults != null) {
3260            if (r.pendingResults == null) {
3261                r.pendingResults = tmp.pendingResults;
3262            } else {
3263                r.pendingResults.addAll(tmp.pendingResults);
3264            }
3265        }
3266        if (tmp.pendingIntents != null) {
3267            if (r.pendingIntents == null) {
3268                r.pendingIntents = tmp.pendingIntents;
3269            } else {
3270                r.pendingIntents.addAll(tmp.pendingIntents);
3271            }
3272        }
3273        r.startsNotResumed = tmp.startsNotResumed;
3274        if (savedState != null) {
3275            r.state = savedState;
3276        }
3277
3278        handleLaunchActivity(r);
3279    }
3280
3281    private final void handleRequestThumbnail(IBinder token) {
3282        ActivityRecord r = mActivities.get(token);
3283        Bitmap thumbnail = createThumbnailBitmap(r);
3284        CharSequence description = null;
3285        try {
3286            description = r.activity.onCreateDescription();
3287        } catch (Exception e) {
3288            if (!mInstrumentation.onException(r.activity, e)) {
3289                throw new RuntimeException(
3290                        "Unable to create description of activity "
3291                        + r.intent.getComponent().toShortString()
3292                        + ": " + e.toString(), e);
3293            }
3294        }
3295        //System.out.println("Reporting top thumbnail " + thumbnail);
3296        try {
3297            ActivityManagerNative.getDefault().reportThumbnail(
3298                token, thumbnail, description);
3299        } catch (RemoteException ex) {
3300        }
3301    }
3302
3303    ArrayList<ComponentCallbacks> collectComponentCallbacksLocked(
3304            boolean allActivities, Configuration newConfig) {
3305        ArrayList<ComponentCallbacks> callbacks
3306                = new ArrayList<ComponentCallbacks>();
3307
3308        if (mActivities.size() > 0) {
3309            Iterator<ActivityRecord> it = mActivities.values().iterator();
3310            while (it.hasNext()) {
3311                ActivityRecord ar = it.next();
3312                Activity a = ar.activity;
3313                if (a != null) {
3314                    if (!ar.activity.mFinished && (allActivities ||
3315                            (a != null && !ar.paused))) {
3316                        // If the activity is currently resumed, its configuration
3317                        // needs to change right now.
3318                        callbacks.add(a);
3319                    } else if (newConfig != null) {
3320                        // Otherwise, we will tell it about the change
3321                        // the next time it is resumed or shown.  Note that
3322                        // the activity manager may, before then, decide the
3323                        // activity needs to be destroyed to handle its new
3324                        // configuration.
3325                        ar.newConfig = newConfig;
3326                    }
3327                }
3328            }
3329        }
3330        if (mServices.size() > 0) {
3331            Iterator<Service> it = mServices.values().iterator();
3332            while (it.hasNext()) {
3333                callbacks.add(it.next());
3334            }
3335        }
3336        synchronized (mProviderMap) {
3337            if (mLocalProviders.size() > 0) {
3338                Iterator<ProviderRecord> it = mLocalProviders.values().iterator();
3339                while (it.hasNext()) {
3340                    callbacks.add(it.next().mLocalProvider);
3341                }
3342            }
3343        }
3344        final int N = mAllApplications.size();
3345        for (int i=0; i<N; i++) {
3346            callbacks.add(mAllApplications.get(i));
3347        }
3348
3349        return callbacks;
3350    }
3351
3352    private final void performConfigurationChanged(
3353            ComponentCallbacks cb, Configuration config) {
3354        // Only for Activity objects, check that they actually call up to their
3355        // superclass implementation.  ComponentCallbacks is an interface, so
3356        // we check the runtime type and act accordingly.
3357        Activity activity = (cb instanceof Activity) ? (Activity) cb : null;
3358        if (activity != null) {
3359            activity.mCalled = false;
3360        }
3361
3362        boolean shouldChangeConfig = false;
3363        if ((activity == null) || (activity.mCurrentConfig == null)) {
3364            shouldChangeConfig = true;
3365        } else {
3366
3367            // If the new config is the same as the config this Activity
3368            // is already running with then don't bother calling
3369            // onConfigurationChanged
3370            int diff = activity.mCurrentConfig.diff(config);
3371            if (diff != 0) {
3372
3373                // If this activity doesn't handle any of the config changes
3374                // then don't bother calling onConfigurationChanged as we're
3375                // going to destroy it.
3376                if ((~activity.mActivityInfo.configChanges & diff) == 0) {
3377                    shouldChangeConfig = true;
3378                }
3379            }
3380        }
3381
3382        if (shouldChangeConfig) {
3383            cb.onConfigurationChanged(config);
3384
3385            if (activity != null) {
3386                if (!activity.mCalled) {
3387                    throw new SuperNotCalledException(
3388                            "Activity " + activity.getLocalClassName() +
3389                        " did not call through to super.onConfigurationChanged()");
3390                }
3391                activity.mConfigChangeFlags = 0;
3392                activity.mCurrentConfig = new Configuration(config);
3393            }
3394        }
3395    }
3396
3397    final void handleConfigurationChanged(Configuration config) {
3398
3399        synchronized (mRelaunchingActivities) {
3400            if (mPendingConfiguration != null) {
3401                config = mPendingConfiguration;
3402                mPendingConfiguration = null;
3403            }
3404        }
3405
3406        ArrayList<ComponentCallbacks> callbacks
3407                = new ArrayList<ComponentCallbacks>();
3408
3409        synchronized(mPackages) {
3410            if (mConfiguration == null) {
3411                mConfiguration = new Configuration();
3412            }
3413            mConfiguration.updateFrom(config);
3414            DisplayMetrics dm = getDisplayMetricsLocked(true);
3415
3416            // set it for java, this also affects newly created Resources
3417            if (config.locale != null) {
3418                Locale.setDefault(config.locale);
3419            }
3420
3421            Resources.updateSystemConfiguration(config, null);
3422
3423            ApplicationContext.ApplicationPackageManager.configurationChanged();
3424            //Log.i(TAG, "Configuration changed in " + currentPackageName());
3425            {
3426                Iterator<WeakReference<Resources>> it =
3427                    mActiveResources.values().iterator();
3428                //Iterator<Map.Entry<String, WeakReference<Resources>>> it =
3429                //    mActiveResources.entrySet().iterator();
3430                while (it.hasNext()) {
3431                    WeakReference<Resources> v = it.next();
3432                    Resources r = v.get();
3433                    if (r != null) {
3434                        r.updateConfiguration(config, dm);
3435                        //Log.i(TAG, "Updated app resources " + v.getKey()
3436                        //        + " " + r + ": " + r.getConfiguration());
3437                    } else {
3438                        //Log.i(TAG, "Removing old resources " + v.getKey());
3439                        it.remove();
3440                    }
3441                }
3442            }
3443
3444            callbacks = collectComponentCallbacksLocked(false, config);
3445        }
3446
3447        final int N = callbacks.size();
3448        for (int i=0; i<N; i++) {
3449            performConfigurationChanged(callbacks.get(i), config);
3450        }
3451    }
3452
3453    final void handleActivityConfigurationChanged(IBinder token) {
3454        ActivityRecord r = mActivities.get(token);
3455        if (r == null || r.activity == null) {
3456            return;
3457        }
3458
3459        performConfigurationChanged(r.activity, mConfiguration);
3460    }
3461
3462    final void handleProfilerControl(boolean start, String path) {
3463        if (start) {
3464            File file = new File(path);
3465            file.getParentFile().mkdirs();
3466            try {
3467                Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
3468            } catch (RuntimeException e) {
3469                Log.w(TAG, "Profiling failed on path " + path
3470                        + " -- can the process access this path?");
3471            }
3472        } else {
3473            Debug.stopMethodTracing();
3474        }
3475    }
3476
3477    final void handleLowMemory() {
3478        ArrayList<ComponentCallbacks> callbacks
3479                = new ArrayList<ComponentCallbacks>();
3480
3481        synchronized(mPackages) {
3482            callbacks = collectComponentCallbacksLocked(true, null);
3483        }
3484
3485        final int N = callbacks.size();
3486        for (int i=0; i<N; i++) {
3487            callbacks.get(i).onLowMemory();
3488        }
3489
3490        // Ask SQLite to free up as much memory as it can, mostly from its page caches.
3491        if (Process.myUid() != Process.SYSTEM_UID) {
3492            int sqliteReleased = SQLiteDatabase.releaseMemory();
3493            EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased);
3494        }
3495
3496        BinderInternal.forceGc("mem");
3497    }
3498
3499    private final void handleBindApplication(AppBindData data) {
3500        mBoundApplication = data;
3501        mConfiguration = new Configuration(data.config);
3502
3503        // We now rely on this being set by zygote.
3504        //Process.setGid(data.appInfo.gid);
3505        //Process.setUid(data.appInfo.uid);
3506
3507        // send up app name; do this *before* waiting for debugger
3508        android.ddm.DdmHandleAppName.setAppName(data.processName);
3509
3510        /*
3511         * Before spawning a new process, reset the time zone to be the system time zone.
3512         * This needs to be done because the system time zone could have changed after the
3513         * the spawning of this process. Without doing this this process would have the incorrect
3514         * system time zone.
3515         */
3516        TimeZone.setDefault(null);
3517
3518        /*
3519         * Initialize the default locale in this process for the reasons we set the time zone.
3520         */
3521        Locale.setDefault(data.config.locale);
3522
3523        data.info = getPackageInfoNoCheck(data.appInfo);
3524
3525        if (data.debugMode != IApplicationThread.DEBUG_OFF) {
3526            // XXX should have option to change the port.
3527            Debug.changeDebugPort(8100);
3528            if (data.debugMode == IApplicationThread.DEBUG_WAIT) {
3529                Log.w(TAG, "Application " + data.info.getPackageName()
3530                      + " is waiting for the debugger on port 8100...");
3531
3532                IActivityManager mgr = ActivityManagerNative.getDefault();
3533                try {
3534                    mgr.showWaitingForDebugger(mAppThread, true);
3535                } catch (RemoteException ex) {
3536                }
3537
3538                Debug.waitForDebugger();
3539
3540                try {
3541                    mgr.showWaitingForDebugger(mAppThread, false);
3542                } catch (RemoteException ex) {
3543                }
3544
3545            } else {
3546                Log.w(TAG, "Application " + data.info.getPackageName()
3547                      + " can be debugged on port 8100...");
3548            }
3549        }
3550
3551        if (data.instrumentationName != null) {
3552            ApplicationContext appContext = new ApplicationContext();
3553            appContext.init(data.info, null, this);
3554            InstrumentationInfo ii = null;
3555            try {
3556                ii = appContext.getPackageManager().
3557                    getInstrumentationInfo(data.instrumentationName, 0);
3558            } catch (PackageManager.NameNotFoundException e) {
3559            }
3560            if (ii == null) {
3561                throw new RuntimeException(
3562                    "Unable to find instrumentation info for: "
3563                    + data.instrumentationName);
3564            }
3565
3566            mInstrumentationAppDir = ii.sourceDir;
3567            mInstrumentationAppPackage = ii.packageName;
3568            mInstrumentedAppDir = data.info.getAppDir();
3569
3570            ApplicationInfo instrApp = new ApplicationInfo();
3571            instrApp.packageName = ii.packageName;
3572            instrApp.sourceDir = ii.sourceDir;
3573            instrApp.publicSourceDir = ii.publicSourceDir;
3574            instrApp.dataDir = ii.dataDir;
3575            PackageInfo pi = getPackageInfo(instrApp,
3576                    appContext.getClassLoader(), false, true);
3577            ApplicationContext instrContext = new ApplicationContext();
3578            instrContext.init(pi, null, this);
3579
3580            try {
3581                java.lang.ClassLoader cl = instrContext.getClassLoader();
3582                mInstrumentation = (Instrumentation)
3583                    cl.loadClass(data.instrumentationName.getClassName()).newInstance();
3584            } catch (Exception e) {
3585                throw new RuntimeException(
3586                    "Unable to instantiate instrumentation "
3587                    + data.instrumentationName + ": " + e.toString(), e);
3588            }
3589
3590            mInstrumentation.init(this, instrContext, appContext,
3591                    new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher);
3592
3593            if (data.profileFile != null && !ii.handleProfiling) {
3594                data.handlingProfiling = true;
3595                File file = new File(data.profileFile);
3596                file.getParentFile().mkdirs();
3597                Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
3598            }
3599
3600            try {
3601                mInstrumentation.onCreate(data.instrumentationArgs);
3602            }
3603            catch (Exception e) {
3604                throw new RuntimeException(
3605                    "Exception thrown in onCreate() of "
3606                    + data.instrumentationName + ": " + e.toString(), e);
3607            }
3608
3609        } else {
3610            mInstrumentation = new Instrumentation();
3611        }
3612
3613        Application app = data.info.makeApplication();
3614        mInitialApplication = app;
3615
3616        List<ProviderInfo> providers = data.providers;
3617        if (providers != null) {
3618            installContentProviders(app, providers);
3619        }
3620
3621        try {
3622            mInstrumentation.callApplicationOnCreate(app);
3623        } catch (Exception e) {
3624            if (!mInstrumentation.onException(app, e)) {
3625                throw new RuntimeException(
3626                    "Unable to create application " + app.getClass().getName()
3627                    + ": " + e.toString(), e);
3628            }
3629        }
3630    }
3631
3632    /*package*/ final void finishInstrumentation(int resultCode, Bundle results) {
3633        IActivityManager am = ActivityManagerNative.getDefault();
3634        if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) {
3635            Debug.stopMethodTracing();
3636        }
3637        //Log.i(TAG, "am: " + ActivityManagerNative.getDefault()
3638        //      + ", app thr: " + mAppThread);
3639        try {
3640            am.finishInstrumentation(mAppThread, resultCode, results);
3641        } catch (RemoteException ex) {
3642        }
3643    }
3644
3645    private final void installContentProviders(
3646            Context context, List<ProviderInfo> providers) {
3647        final ArrayList<IActivityManager.ContentProviderHolder> results =
3648            new ArrayList<IActivityManager.ContentProviderHolder>();
3649
3650        Iterator<ProviderInfo> i = providers.iterator();
3651        while (i.hasNext()) {
3652            ProviderInfo cpi = i.next();
3653            StringBuilder buf = new StringBuilder(128);
3654            buf.append("Publishing provider ");
3655            buf.append(cpi.authority);
3656            buf.append(": ");
3657            buf.append(cpi.name);
3658            Log.i(TAG, buf.toString());
3659            IContentProvider cp = installProvider(context, null, cpi, false);
3660            if (cp != null) {
3661                IActivityManager.ContentProviderHolder cph =
3662                    new IActivityManager.ContentProviderHolder(cpi);
3663                cph.provider = cp;
3664                results.add(cph);
3665                // Don't ever unload this provider from the process.
3666                synchronized(mProviderMap) {
3667                    mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000));
3668                }
3669            }
3670        }
3671
3672        try {
3673            ActivityManagerNative.getDefault().publishContentProviders(
3674                getApplicationThread(), results);
3675        } catch (RemoteException ex) {
3676        }
3677    }
3678
3679    private final IContentProvider getProvider(Context context, String name) {
3680        synchronized(mProviderMap) {
3681            final ProviderRecord pr = mProviderMap.get(name);
3682            if (pr != null) {
3683                return pr.mProvider;
3684            }
3685        }
3686
3687        IActivityManager.ContentProviderHolder holder = null;
3688        try {
3689            holder = ActivityManagerNative.getDefault().getContentProvider(
3690                getApplicationThread(), name);
3691        } catch (RemoteException ex) {
3692        }
3693        if (holder == null) {
3694            Log.e(TAG, "Failed to find provider info for " + name);
3695            return null;
3696        }
3697        if (holder.permissionFailure != null) {
3698            throw new SecurityException("Permission " + holder.permissionFailure
3699                    + " required for provider " + name);
3700        }
3701
3702        IContentProvider prov = installProvider(context, holder.provider,
3703                holder.info, true);
3704        //Log.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded);
3705        if (holder.noReleaseNeeded || holder.provider == null) {
3706            // We are not going to release the provider if it is an external
3707            // provider that doesn't care about being released, or if it is
3708            // a local provider running in this process.
3709            //Log.i(TAG, "*** NO RELEASE NEEDED");
3710            synchronized(mProviderMap) {
3711                mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000));
3712            }
3713        }
3714        return prov;
3715    }
3716
3717    public final IContentProvider acquireProvider(Context c, String name) {
3718        IContentProvider provider = getProvider(c, name);
3719        if(provider == null)
3720            return null;
3721        IBinder jBinder = provider.asBinder();
3722        synchronized(mProviderMap) {
3723            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
3724            if(prc == null) {
3725                mProviderRefCountMap.put(jBinder, new ProviderRefCount(1));
3726            } else {
3727                prc.count++;
3728            } //end else
3729        } //end synchronized
3730        return provider;
3731    }
3732
3733    public final boolean releaseProvider(IContentProvider provider) {
3734        if(provider == null) {
3735            return false;
3736        }
3737        IBinder jBinder = provider.asBinder();
3738        synchronized(mProviderMap) {
3739            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
3740            if(prc == null) {
3741                if(localLOGV) Log.v(TAG, "releaseProvider::Weird shouldnt be here");
3742                return false;
3743            } else {
3744                prc.count--;
3745                if(prc.count == 0) {
3746                    mProviderRefCountMap.remove(jBinder);
3747                    //invoke removeProvider to dereference provider
3748                    removeProviderLocked(provider);
3749                } //end if
3750            } //end else
3751        } //end synchronized
3752        return true;
3753    }
3754
3755    public final void removeProviderLocked(IContentProvider provider) {
3756        if (provider == null) {
3757            return;
3758        }
3759        IBinder providerBinder = provider.asBinder();
3760        boolean amRemoveFlag = false;
3761
3762        // remove the provider from mProviderMap
3763        Iterator<ProviderRecord> iter = mProviderMap.values().iterator();
3764        while (iter.hasNext()) {
3765            ProviderRecord pr = iter.next();
3766            IBinder myBinder = pr.mProvider.asBinder();
3767            if (myBinder == providerBinder) {
3768                //find if its published by this process itself
3769                if(pr.mLocalProvider != null) {
3770                    if(localLOGV) Log.i(TAG, "removeProvider::found local provider returning");
3771                    return;
3772                }
3773                if(localLOGV) Log.v(TAG, "removeProvider::Not local provider Unlinking " +
3774                        "death recipient");
3775                //content provider is in another process
3776                myBinder.unlinkToDeath(pr, 0);
3777                iter.remove();
3778                //invoke remove only once for the very first name seen
3779                if(!amRemoveFlag) {
3780                    try {
3781                        if(localLOGV) Log.v(TAG, "removeProvider::Invoking " +
3782                                "ActivityManagerNative.removeContentProvider("+pr.mName);
3783                        ActivityManagerNative.getDefault().removeContentProvider(getApplicationThread(), pr.mName);
3784                        amRemoveFlag = true;
3785                    } catch (RemoteException e) {
3786                        //do nothing content provider object is dead any way
3787                    } //end catch
3788                }
3789            } //end if myBinder
3790        }  //end while iter
3791    }
3792
3793    final void removeDeadProvider(String name, IContentProvider provider) {
3794        synchronized(mProviderMap) {
3795            ProviderRecord pr = mProviderMap.get(name);
3796            if (pr.mProvider.asBinder() == provider.asBinder()) {
3797                Log.i(TAG, "Removing dead content provider: " + name);
3798                mProviderMap.remove(name);
3799            }
3800        }
3801    }
3802
3803    final void removeDeadProviderLocked(String name, IContentProvider provider) {
3804        ProviderRecord pr = mProviderMap.get(name);
3805        if (pr.mProvider.asBinder() == provider.asBinder()) {
3806            Log.i(TAG, "Removing dead content provider: " + name);
3807            mProviderMap.remove(name);
3808        }
3809    }
3810
3811    private final IContentProvider installProvider(Context context,
3812            IContentProvider provider, ProviderInfo info, boolean noisy) {
3813        ContentProvider localProvider = null;
3814        if (provider == null) {
3815            if (noisy) {
3816                Log.d(TAG, "Loading provider " + info.authority + ": "
3817                        + info.name);
3818            }
3819            Context c = null;
3820            ApplicationInfo ai = info.applicationInfo;
3821            if (context.getPackageName().equals(ai.packageName)) {
3822                c = context;
3823            } else if (mInitialApplication != null &&
3824                    mInitialApplication.getPackageName().equals(ai.packageName)) {
3825                c = mInitialApplication;
3826            } else {
3827                try {
3828                    c = context.createPackageContext(ai.packageName,
3829                            Context.CONTEXT_INCLUDE_CODE);
3830                } catch (PackageManager.NameNotFoundException e) {
3831                }
3832            }
3833            if (c == null) {
3834                Log.w(TAG, "Unable to get context for package " +
3835                      ai.packageName +
3836                      " while loading content provider " +
3837                      info.name);
3838                return null;
3839            }
3840            try {
3841                final java.lang.ClassLoader cl = c.getClassLoader();
3842                localProvider = (ContentProvider)cl.
3843                    loadClass(info.name).newInstance();
3844                provider = localProvider.getIContentProvider();
3845                if (provider == null) {
3846                    Log.e(TAG, "Failed to instantiate class " +
3847                          info.name + " from sourceDir " +
3848                          info.applicationInfo.sourceDir);
3849                    return null;
3850                }
3851                if (Config.LOGV) Log.v(
3852                    TAG, "Instantiating local provider " + info.name);
3853                // XXX Need to create the correct context for this provider.
3854                localProvider.attachInfo(c, info);
3855            } catch (java.lang.Exception e) {
3856                if (!mInstrumentation.onException(null, e)) {
3857                    throw new RuntimeException(
3858                            "Unable to get provider " + info.name
3859                            + ": " + e.toString(), e);
3860                }
3861                return null;
3862            }
3863        } else if (localLOGV) {
3864            Log.v(TAG, "Installing external provider " + info.authority + ": "
3865                    + info.name);
3866        }
3867
3868        synchronized (mProviderMap) {
3869            // Cache the pointer for the remote provider.
3870            String names[] = PATTERN_SEMICOLON.split(info.authority);
3871            for (int i=0; i<names.length; i++) {
3872                ProviderRecord pr = new ProviderRecord(names[i], provider,
3873                        localProvider);
3874                try {
3875                    provider.asBinder().linkToDeath(pr, 0);
3876                    mProviderMap.put(names[i], pr);
3877                } catch (RemoteException e) {
3878                    return null;
3879                }
3880            }
3881            if (localProvider != null) {
3882                mLocalProviders.put(provider.asBinder(),
3883                        new ProviderRecord(null, provider, localProvider));
3884            }
3885        }
3886
3887        return provider;
3888    }
3889
3890    private final void attach(boolean system) {
3891        sThreadLocal.set(this);
3892        mSystemThread = system;
3893        AndroidHttpClient.setThreadBlocked(true);
3894        if (!system) {
3895            android.ddm.DdmHandleAppName.setAppName("<pre-initialized>");
3896            RuntimeInit.setApplicationObject(mAppThread.asBinder());
3897            IActivityManager mgr = ActivityManagerNative.getDefault();
3898            try {
3899                mgr.attachApplication(mAppThread);
3900            } catch (RemoteException ex) {
3901            }
3902        } else {
3903            // Don't set application object here -- if the system crashes,
3904            // we can't display an alert, we just want to die die die.
3905            android.ddm.DdmHandleAppName.setAppName("system_process");
3906            try {
3907                mInstrumentation = new Instrumentation();
3908                ApplicationContext context = new ApplicationContext();
3909                context.init(getSystemContext().mPackageInfo, null, this);
3910                Application app = Instrumentation.newApplication(Application.class, context);
3911                mAllApplications.add(app);
3912                mInitialApplication = app;
3913                app.onCreate();
3914            } catch (Exception e) {
3915                throw new RuntimeException(
3916                        "Unable to instantiate Application():" + e.toString(), e);
3917            }
3918        }
3919    }
3920
3921    private final void detach()
3922    {
3923        AndroidHttpClient.setThreadBlocked(false);
3924        sThreadLocal.set(null);
3925    }
3926
3927    public static final ActivityThread systemMain() {
3928        ActivityThread thread = new ActivityThread();
3929        thread.attach(true);
3930        return thread;
3931    }
3932
3933    public final void installSystemProviders(List providers) {
3934        if (providers != null) {
3935            installContentProviders(mInitialApplication,
3936                                    (List<ProviderInfo>)providers);
3937        }
3938    }
3939
3940    public static final void main(String[] args) {
3941        Process.setArgV0("<pre-initialized>");
3942
3943        Looper.prepareMainLooper();
3944
3945        ActivityThread thread = new ActivityThread();
3946        thread.attach(false);
3947
3948        Looper.loop();
3949
3950        if (Process.supportsProcesses()) {
3951            throw new RuntimeException("Main thread loop unexpectedly exited");
3952        }
3953
3954        thread.detach();
3955        String name;
3956        if (thread.mInitialApplication != null) name = thread.mInitialApplication.getPackageName();
3957        else name = "<unknown>";
3958        Log.i(TAG, "Main thread of " + name + " is now exiting");
3959    }
3960}
3961