Home | History | Annotate | Download | only in am
      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 
     17 package com.android.server.am;
     18 
     19 import com.android.internal.app.ResolverActivity;
     20 import com.android.server.AttributeCache;
     21 import com.android.server.am.ActivityStack.ActivityState;
     22 
     23 import android.app.Activity;
     24 import android.app.ActivityOptions;
     25 import android.content.ComponentName;
     26 import android.content.Intent;
     27 import android.content.pm.ActivityInfo;
     28 import android.content.pm.ApplicationInfo;
     29 import android.content.res.CompatibilityInfo;
     30 import android.content.res.Configuration;
     31 import android.graphics.Bitmap;
     32 import android.graphics.Rect;
     33 import android.os.Build;
     34 import android.os.Bundle;
     35 import android.os.IBinder;
     36 import android.os.Message;
     37 import android.os.Process;
     38 import android.os.RemoteException;
     39 import android.os.SystemClock;
     40 import android.os.UserHandle;
     41 import android.util.EventLog;
     42 import android.util.Log;
     43 import android.util.Slog;
     44 import android.util.TimeUtils;
     45 import android.view.IApplicationToken;
     46 import android.view.WindowManager;
     47 
     48 import java.io.PrintWriter;
     49 import java.lang.ref.WeakReference;
     50 import java.util.ArrayList;
     51 import java.util.HashSet;
     52 
     53 /**
     54  * An entry in the history stack, representing an activity.
     55  */
     56 final class ActivityRecord {
     57     final ActivityManagerService service; // owner
     58     final ActivityStack stack; // owner
     59     final IApplicationToken.Stub appToken; // window manager token
     60     final ActivityInfo info; // all about me
     61     final int launchedFromUid; // always the uid who started the activity.
     62     final int userId;          // Which user is this running for?
     63     final Intent intent;    // the original intent that generated us
     64     final ComponentName realActivity;  // the intent component, or target of an alias.
     65     final String shortComponentName; // the short component name of the intent
     66     final String resolvedType; // as per original caller;
     67     final String packageName; // the package implementing intent's component
     68     final String processName; // process where this component wants to run
     69     final String taskAffinity; // as per ActivityInfo.taskAffinity
     70     final boolean stateNotNeeded; // As per ActivityInfo.flags
     71     final boolean fullscreen; // covers the full screen?
     72     final boolean noDisplay;  // activity is not displayed?
     73     final boolean componentSpecified;  // did caller specifiy an explicit component?
     74     final boolean isHomeActivity; // do we consider this to be a home activity?
     75     final String baseDir;   // where activity source (resources etc) located
     76     final String resDir;   // where public activity source (public resources etc) located
     77     final String dataDir;   // where activity data should go
     78     CharSequence nonLocalizedLabel;  // the label information from the package mgr.
     79     int labelRes;           // the label information from the package mgr.
     80     int icon;               // resource identifier of activity's icon.
     81     int theme;              // resource identifier of activity's theme.
     82     int realTheme;          // actual theme resource we will use, never 0.
     83     int windowFlags;        // custom window flags for preview window.
     84     TaskRecord task;        // the task this is in.
     85     ThumbnailHolder thumbHolder; // where our thumbnails should go.
     86     long launchTime;        // when we starting launching this activity
     87     long startTime;         // last time this activity was started
     88     long lastVisibleTime;   // last time this activity became visible
     89     long cpuTimeAtResume;   // the cpu time of host process at the time of resuming activity
     90     long pauseTime;         // last time we started pausing the activity
     91     long launchTickTime;    // base time for launch tick messages
     92     Configuration configuration; // configuration activity was last running in
     93     CompatibilityInfo compat;// last used compatibility mode
     94     ActivityRecord resultTo; // who started this entry, so will get our reply
     95     final String resultWho; // additional identifier for use by resultTo.
     96     final int requestCode;  // code given by requester (resultTo)
     97     ArrayList results;      // pending ActivityResult objs we have received
     98     HashSet<WeakReference<PendingIntentRecord>> pendingResults; // all pending intents for this act
     99     ArrayList newIntents;   // any pending new intents for single-top mode
    100     ActivityOptions pendingOptions; // most recently given options
    101     HashSet<ConnectionRecord> connections; // All ConnectionRecord we hold
    102     UriPermissionOwner uriPermissions; // current special URI access perms.
    103     ProcessRecord app;      // if non-null, hosting application
    104     ActivityState state;    // current state we are in
    105     Bundle  icicle;         // last saved activity state
    106     boolean frontOfTask;    // is this the root activity of its task?
    107     boolean launchFailed;   // set if a launched failed, to abort on 2nd try
    108     boolean haveState;      // have we gotten the last activity state?
    109     boolean stopped;        // is activity pause finished?
    110     boolean delayedResume;  // not yet resumed because of stopped app switches?
    111     boolean finishing;      // activity in pending finish list?
    112     boolean configDestroy;  // need to destroy due to config change?
    113     int configChangeFlags;  // which config values have changed
    114     boolean keysPaused;     // has key dispatching been paused for it?
    115     int launchMode;         // the launch mode activity attribute.
    116     boolean visible;        // does this activity's window need to be shown?
    117     boolean sleeping;       // have we told the activity to sleep?
    118     boolean waitingVisible; // true if waiting for a new act to become vis
    119     boolean nowVisible;     // is this activity's window visible?
    120     boolean thumbnailNeeded;// has someone requested a thumbnail?
    121     boolean idle;           // has the activity gone idle?
    122     boolean hasBeenLaunched;// has this activity ever been launched?
    123     boolean frozenBeforeDestroy;// has been frozen but not yet destroyed.
    124     boolean immersive;      // immersive mode (don't interrupt if possible)
    125     boolean forceNewConfig; // force re-create with new config next time
    126 
    127     String stringName;      // for caching of toString().
    128 
    129     private boolean inHistory;  // are we in the history stack?
    130 
    131     void dump(PrintWriter pw, String prefix) {
    132         final long now = SystemClock.uptimeMillis();
    133         pw.print(prefix); pw.print("packageName="); pw.print(packageName);
    134                 pw.print(" processName="); pw.println(processName);
    135         pw.print(prefix); pw.print("launchedFromUid="); pw.print(launchedFromUid);
    136                 pw.print(" userId="); pw.println(userId);
    137         pw.print(prefix); pw.print("app="); pw.println(app);
    138         pw.print(prefix); pw.println(intent.toInsecureStringWithClip());
    139         pw.print(prefix); pw.print("frontOfTask="); pw.print(frontOfTask);
    140                 pw.print(" task="); pw.println(task);
    141         pw.print(prefix); pw.print("taskAffinity="); pw.println(taskAffinity);
    142         pw.print(prefix); pw.print("realActivity=");
    143                 pw.println(realActivity.flattenToShortString());
    144         pw.print(prefix); pw.print("baseDir="); pw.println(baseDir);
    145         if (!resDir.equals(baseDir)) {
    146             pw.print(prefix); pw.print("resDir="); pw.println(resDir);
    147         }
    148         pw.print(prefix); pw.print("dataDir="); pw.println(dataDir);
    149         pw.print(prefix); pw.print("stateNotNeeded="); pw.print(stateNotNeeded);
    150                 pw.print(" componentSpecified="); pw.print(componentSpecified);
    151                 pw.print(" isHomeActivity="); pw.println(isHomeActivity);
    152         pw.print(prefix); pw.print("compat="); pw.print(compat);
    153                 pw.print(" labelRes=0x"); pw.print(Integer.toHexString(labelRes));
    154                 pw.print(" icon=0x"); pw.print(Integer.toHexString(icon));
    155                 pw.print(" theme=0x"); pw.println(Integer.toHexString(theme));
    156         pw.print(prefix); pw.print("config="); pw.println(configuration);
    157         if (resultTo != null || resultWho != null) {
    158             pw.print(prefix); pw.print("resultTo="); pw.print(resultTo);
    159                     pw.print(" resultWho="); pw.print(resultWho);
    160                     pw.print(" resultCode="); pw.println(requestCode);
    161         }
    162         if (results != null) {
    163             pw.print(prefix); pw.print("results="); pw.println(results);
    164         }
    165         if (pendingResults != null && pendingResults.size() > 0) {
    166             pw.print(prefix); pw.println("Pending Results:");
    167             for (WeakReference<PendingIntentRecord> wpir : pendingResults) {
    168                 PendingIntentRecord pir = wpir != null ? wpir.get() : null;
    169                 pw.print(prefix); pw.print("  - ");
    170                 if (pir == null) {
    171                     pw.println("null");
    172                 } else {
    173                     pw.println(pir);
    174                     pir.dump(pw, prefix + "    ");
    175                 }
    176             }
    177         }
    178         if (newIntents != null && newIntents.size() > 0) {
    179             pw.print(prefix); pw.println("Pending New Intents:");
    180             for (int i=0; i<newIntents.size(); i++) {
    181                 Intent intent = (Intent)newIntents.get(i);
    182                 pw.print(prefix); pw.print("  - ");
    183                 if (intent == null) {
    184                     pw.println("null");
    185                 } else {
    186                     pw.println(intent.toShortString(false, true, false, true));
    187                 }
    188             }
    189         }
    190         if (pendingOptions != null) {
    191             pw.print(prefix); pw.print("pendingOptions="); pw.println(pendingOptions);
    192         }
    193         if (uriPermissions != null) {
    194             if (uriPermissions.readUriPermissions != null) {
    195                 pw.print(prefix); pw.print("readUriPermissions=");
    196                         pw.println(uriPermissions.readUriPermissions);
    197             }
    198             if (uriPermissions.writeUriPermissions != null) {
    199                 pw.print(prefix); pw.print("writeUriPermissions=");
    200                         pw.println(uriPermissions.writeUriPermissions);
    201             }
    202         }
    203         pw.print(prefix); pw.print("launchFailed="); pw.print(launchFailed);
    204                 pw.print(" haveState="); pw.print(haveState);
    205                 pw.print(" icicle="); pw.println(icicle);
    206         pw.print(prefix); pw.print("state="); pw.print(state);
    207                 pw.print(" stopped="); pw.print(stopped);
    208                 pw.print(" delayedResume="); pw.print(delayedResume);
    209                 pw.print(" finishing="); pw.println(finishing);
    210         pw.print(prefix); pw.print("keysPaused="); pw.print(keysPaused);
    211                 pw.print(" inHistory="); pw.print(inHistory);
    212                 pw.print(" visible="); pw.print(visible);
    213                 pw.print(" sleeping="); pw.print(sleeping);
    214                 pw.print(" idle="); pw.println(idle);
    215         pw.print(prefix); pw.print("fullscreen="); pw.print(fullscreen);
    216                 pw.print(" noDisplay="); pw.print(noDisplay);
    217                 pw.print(" immersive="); pw.print(immersive);
    218                 pw.print(" launchMode="); pw.println(launchMode);
    219         pw.print(prefix); pw.print("frozenBeforeDestroy="); pw.print(frozenBeforeDestroy);
    220                 pw.print(" thumbnailNeeded="); pw.print(thumbnailNeeded);
    221                 pw.print(" forceNewConfig="); pw.println(forceNewConfig);
    222         pw.print(prefix); pw.print("thumbHolder: ");
    223                 pw.print(Integer.toHexString(System.identityHashCode(thumbHolder)));
    224                 if (thumbHolder != null) {
    225                     pw.print(" bm="); pw.print(thumbHolder.lastThumbnail);
    226                     pw.print(" desc="); pw.print(thumbHolder.lastDescription);
    227                 }
    228                 pw.println();
    229         if (launchTime != 0 || startTime != 0) {
    230             pw.print(prefix); pw.print("launchTime=");
    231                     if (launchTime == 0) pw.print("0");
    232                     else TimeUtils.formatDuration(launchTime, now, pw);
    233                     pw.print(" startTime=");
    234                     if (startTime == 0) pw.print("0");
    235                     else TimeUtils.formatDuration(startTime, now, pw);
    236                     pw.println();
    237         }
    238         if (lastVisibleTime != 0 || waitingVisible || nowVisible) {
    239             pw.print(prefix); pw.print("waitingVisible="); pw.print(waitingVisible);
    240                     pw.print(" nowVisible="); pw.print(nowVisible);
    241                     pw.print(" lastVisibleTime=");
    242                     if (lastVisibleTime == 0) pw.print("0");
    243                     else TimeUtils.formatDuration(lastVisibleTime, now, pw);
    244                     pw.println();
    245         }
    246         if (configDestroy || configChangeFlags != 0) {
    247             pw.print(prefix); pw.print("configDestroy="); pw.print(configDestroy);
    248                     pw.print(" configChangeFlags=");
    249                     pw.println(Integer.toHexString(configChangeFlags));
    250         }
    251         if (connections != null) {
    252             pw.print(prefix); pw.print("connections="); pw.println(connections);
    253         }
    254     }
    255 
    256     static class Token extends IApplicationToken.Stub {
    257         final WeakReference<ActivityRecord> weakActivity;
    258 
    259         Token(ActivityRecord activity) {
    260             weakActivity = new WeakReference<ActivityRecord>(activity);
    261         }
    262 
    263         @Override public void windowsDrawn() throws RemoteException {
    264             ActivityRecord activity = weakActivity.get();
    265             if (activity != null) {
    266                 activity.windowsDrawn();
    267             }
    268         }
    269 
    270         @Override public void windowsVisible() throws RemoteException {
    271             ActivityRecord activity = weakActivity.get();
    272             if (activity != null) {
    273                 activity.windowsVisible();
    274             }
    275         }
    276 
    277         @Override public void windowsGone() throws RemoteException {
    278             ActivityRecord activity = weakActivity.get();
    279             if (activity != null) {
    280                 activity.windowsGone();
    281             }
    282         }
    283 
    284         @Override public boolean keyDispatchingTimedOut() throws RemoteException {
    285             ActivityRecord activity = weakActivity.get();
    286             if (activity != null) {
    287                 return activity.keyDispatchingTimedOut();
    288             }
    289             return false;
    290         }
    291 
    292         @Override public long getKeyDispatchingTimeout() throws RemoteException {
    293             ActivityRecord activity = weakActivity.get();
    294             if (activity != null) {
    295                 return activity.getKeyDispatchingTimeout();
    296             }
    297             return 0;
    298         }
    299 
    300         public String toString() {
    301             StringBuilder sb = new StringBuilder(128);
    302             sb.append("Token{");
    303             sb.append(Integer.toHexString(System.identityHashCode(this)));
    304             sb.append(' ');
    305             sb.append(weakActivity.get());
    306             sb.append('}');
    307             return sb.toString();
    308         }
    309     }
    310 
    311     static ActivityRecord forToken(IBinder token) {
    312         try {
    313             return token != null ? ((Token)token).weakActivity.get() : null;
    314         } catch (ClassCastException e) {
    315             Slog.w(ActivityManagerService.TAG, "Bad activity token: " + token, e);
    316             return null;
    317         }
    318     }
    319 
    320     ActivityRecord(ActivityManagerService _service, ActivityStack _stack, ProcessRecord _caller,
    321             int _launchedFromUid, Intent _intent, String _resolvedType,
    322             ActivityInfo aInfo, Configuration _configuration,
    323             ActivityRecord _resultTo, String _resultWho, int _reqCode,
    324             boolean _componentSpecified) {
    325         service = _service;
    326         stack = _stack;
    327         appToken = new Token(this);
    328         info = aInfo;
    329         launchedFromUid = _launchedFromUid;
    330         userId = UserHandle.getUserId(aInfo.applicationInfo.uid);
    331         intent = _intent;
    332         shortComponentName = _intent.getComponent().flattenToShortString();
    333         resolvedType = _resolvedType;
    334         componentSpecified = _componentSpecified;
    335         configuration = _configuration;
    336         resultTo = _resultTo;
    337         resultWho = _resultWho;
    338         requestCode = _reqCode;
    339         state = ActivityState.INITIALIZING;
    340         frontOfTask = false;
    341         launchFailed = false;
    342         stopped = false;
    343         delayedResume = false;
    344         finishing = false;
    345         configDestroy = false;
    346         keysPaused = false;
    347         inHistory = false;
    348         visible = true;
    349         waitingVisible = false;
    350         nowVisible = false;
    351         thumbnailNeeded = false;
    352         idle = false;
    353         hasBeenLaunched = false;
    354 
    355         // This starts out true, since the initial state of an activity
    356         // is that we have everything, and we shouldn't never consider it
    357         // lacking in state to be removed if it dies.
    358         haveState = true;
    359 
    360         if (aInfo != null) {
    361             if (aInfo.targetActivity == null
    362                     || aInfo.launchMode == ActivityInfo.LAUNCH_MULTIPLE
    363                     || aInfo.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) {
    364                 realActivity = _intent.getComponent();
    365             } else {
    366                 realActivity = new ComponentName(aInfo.packageName,
    367                         aInfo.targetActivity);
    368             }
    369             taskAffinity = aInfo.taskAffinity;
    370             stateNotNeeded = (aInfo.flags&
    371                     ActivityInfo.FLAG_STATE_NOT_NEEDED) != 0;
    372             baseDir = aInfo.applicationInfo.sourceDir;
    373             resDir = aInfo.applicationInfo.publicSourceDir;
    374             dataDir = aInfo.applicationInfo.dataDir;
    375             nonLocalizedLabel = aInfo.nonLocalizedLabel;
    376             labelRes = aInfo.labelRes;
    377             if (nonLocalizedLabel == null && labelRes == 0) {
    378                 ApplicationInfo app = aInfo.applicationInfo;
    379                 nonLocalizedLabel = app.nonLocalizedLabel;
    380                 labelRes = app.labelRes;
    381             }
    382             icon = aInfo.getIconResource();
    383             theme = aInfo.getThemeResource();
    384             realTheme = theme;
    385             if (realTheme == 0) {
    386                 realTheme = aInfo.applicationInfo.targetSdkVersion
    387                         < Build.VERSION_CODES.HONEYCOMB
    388                         ? android.R.style.Theme
    389                         : android.R.style.Theme_Holo;
    390             }
    391             if ((aInfo.flags&ActivityInfo.FLAG_HARDWARE_ACCELERATED) != 0) {
    392                 windowFlags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
    393             }
    394             if ((aInfo.flags&ActivityInfo.FLAG_MULTIPROCESS) != 0
    395                     && _caller != null
    396                     && (aInfo.applicationInfo.uid == Process.SYSTEM_UID
    397                             || aInfo.applicationInfo.uid == _caller.info.uid)) {
    398                 processName = _caller.processName;
    399             } else {
    400                 processName = aInfo.processName;
    401             }
    402 
    403             if (intent != null && (aInfo.flags & ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS) != 0) {
    404                 intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
    405             }
    406 
    407             packageName = aInfo.applicationInfo.packageName;
    408             launchMode = aInfo.launchMode;
    409 
    410             AttributeCache.Entry ent = AttributeCache.instance().get(packageName,
    411                     realTheme, com.android.internal.R.styleable.Window);
    412             fullscreen = ent != null && !ent.array.getBoolean(
    413                     com.android.internal.R.styleable.Window_windowIsFloating, false)
    414                     && !ent.array.getBoolean(
    415                     com.android.internal.R.styleable.Window_windowIsTranslucent, false);
    416             noDisplay = ent != null && ent.array.getBoolean(
    417                     com.android.internal.R.styleable.Window_windowNoDisplay, false);
    418 
    419             if (!_componentSpecified || _launchedFromUid == Process.myUid()
    420                     || _launchedFromUid == 0) {
    421                 // If we know the system has determined the component, then
    422                 // we can consider this to be a home activity...
    423                 if (Intent.ACTION_MAIN.equals(_intent.getAction()) &&
    424                         _intent.hasCategory(Intent.CATEGORY_HOME) &&
    425                         _intent.getCategories().size() == 1 &&
    426                         _intent.getData() == null &&
    427                         _intent.getType() == null &&
    428                         (intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0 &&
    429                         !ResolverActivity.class.getName().equals(realActivity.getClassName())) {
    430                     // This sure looks like a home activity!
    431                     // Note the last check is so we don't count the resolver
    432                     // activity as being home...  really, we don't care about
    433                     // doing anything special with something that comes from
    434                     // the core framework package.
    435                     isHomeActivity = true;
    436                 } else {
    437                     isHomeActivity = false;
    438                 }
    439             } else {
    440                 isHomeActivity = false;
    441             }
    442 
    443             immersive = (aInfo.flags & ActivityInfo.FLAG_IMMERSIVE) != 0;
    444         } else {
    445             realActivity = null;
    446             taskAffinity = null;
    447             stateNotNeeded = false;
    448             baseDir = null;
    449             resDir = null;
    450             dataDir = null;
    451             processName = null;
    452             packageName = null;
    453             fullscreen = true;
    454             noDisplay = false;
    455             isHomeActivity = false;
    456             immersive = false;
    457         }
    458     }
    459 
    460     void setTask(TaskRecord newTask, ThumbnailHolder newThumbHolder, boolean isRoot) {
    461         if (inHistory && !finishing) {
    462             if (task != null) {
    463                 task.numActivities--;
    464             }
    465             if (newTask != null) {
    466                 newTask.numActivities++;
    467             }
    468         }
    469         if (newThumbHolder == null) {
    470             newThumbHolder = newTask;
    471         }
    472         task = newTask;
    473         if (!isRoot && (intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) {
    474             // This is the start of a new sub-task.
    475             if (thumbHolder == null) {
    476                 thumbHolder = new ThumbnailHolder();
    477             }
    478         } else {
    479             thumbHolder = newThumbHolder;
    480         }
    481     }
    482 
    483     void putInHistory() {
    484         if (!inHistory) {
    485             inHistory = true;
    486             if (task != null && !finishing) {
    487                 task.numActivities++;
    488             }
    489         }
    490     }
    491 
    492     void takeFromHistory() {
    493         if (inHistory) {
    494             inHistory = false;
    495             if (task != null && !finishing) {
    496                 task.numActivities--;
    497             }
    498             clearOptionsLocked();
    499         }
    500     }
    501 
    502     boolean isInHistory() {
    503         return inHistory;
    504     }
    505 
    506     void makeFinishing() {
    507         if (!finishing) {
    508             finishing = true;
    509             if (task != null && inHistory) {
    510                 task.numActivities--;
    511             }
    512             if (stopped) {
    513                 clearOptionsLocked();
    514             }
    515         }
    516     }
    517 
    518     UriPermissionOwner getUriPermissionsLocked() {
    519         if (uriPermissions == null) {
    520             uriPermissions = new UriPermissionOwner(service, this);
    521         }
    522         return uriPermissions;
    523     }
    524 
    525     void addResultLocked(ActivityRecord from, String resultWho,
    526             int requestCode, int resultCode,
    527             Intent resultData) {
    528         ActivityResult r = new ActivityResult(from, resultWho,
    529         		requestCode, resultCode, resultData);
    530         if (results == null) {
    531             results = new ArrayList();
    532         }
    533         results.add(r);
    534     }
    535 
    536     void removeResultsLocked(ActivityRecord from, String resultWho,
    537             int requestCode) {
    538         if (results != null) {
    539             for (int i=results.size()-1; i>=0; i--) {
    540                 ActivityResult r = (ActivityResult)results.get(i);
    541                 if (r.mFrom != from) continue;
    542                 if (r.mResultWho == null) {
    543                     if (resultWho != null) continue;
    544                 } else {
    545                     if (!r.mResultWho.equals(resultWho)) continue;
    546                 }
    547                 if (r.mRequestCode != requestCode) continue;
    548 
    549                 results.remove(i);
    550             }
    551         }
    552     }
    553 
    554     void addNewIntentLocked(Intent intent) {
    555         if (newIntents == null) {
    556             newIntents = new ArrayList();
    557         }
    558         newIntents.add(intent);
    559     }
    560 
    561     /**
    562      * Deliver a new Intent to an existing activity, so that its onNewIntent()
    563      * method will be called at the proper time.
    564      */
    565     final void deliverNewIntentLocked(int callingUid, Intent intent) {
    566         boolean sent = false;
    567         // We want to immediately deliver the intent to the activity if
    568         // it is currently the top resumed activity...  however, if the
    569         // device is sleeping, then all activities are stopped, so in that
    570         // case we will deliver it if this is the current top activity on its
    571         // stack.
    572         if ((state == ActivityState.RESUMED || (service.mSleeping
    573                         && stack.topRunningActivityLocked(null) == this))
    574                 && app != null && app.thread != null) {
    575             try {
    576                 ArrayList<Intent> ar = new ArrayList<Intent>();
    577                 intent = new Intent(intent);
    578                 ar.add(intent);
    579                 service.grantUriPermissionFromIntentLocked(callingUid, packageName,
    580                         intent, getUriPermissionsLocked());
    581                 app.thread.scheduleNewIntent(ar, appToken);
    582                 sent = true;
    583             } catch (RemoteException e) {
    584                 Slog.w(ActivityManagerService.TAG,
    585                         "Exception thrown sending new intent to " + this, e);
    586             } catch (NullPointerException e) {
    587                 Slog.w(ActivityManagerService.TAG,
    588                         "Exception thrown sending new intent to " + this, e);
    589             }
    590         }
    591         if (!sent) {
    592             addNewIntentLocked(new Intent(intent));
    593         }
    594     }
    595 
    596     void updateOptionsLocked(Bundle options) {
    597         if (options != null) {
    598             if (pendingOptions != null) {
    599                 pendingOptions.abort();
    600             }
    601             pendingOptions = new ActivityOptions(options);
    602         }
    603     }
    604 
    605     void updateOptionsLocked(ActivityOptions options) {
    606         if (options != null) {
    607             if (pendingOptions != null) {
    608                 pendingOptions.abort();
    609             }
    610             pendingOptions = options;
    611         }
    612     }
    613 
    614     void applyOptionsLocked() {
    615         if (pendingOptions != null) {
    616             final int animationType = pendingOptions.getAnimationType();
    617             switch (animationType) {
    618                 case ActivityOptions.ANIM_CUSTOM:
    619                     service.mWindowManager.overridePendingAppTransition(
    620                             pendingOptions.getPackageName(),
    621                             pendingOptions.getCustomEnterResId(),
    622                             pendingOptions.getCustomExitResId(),
    623                             pendingOptions.getOnAnimationStartListener());
    624                     break;
    625                 case ActivityOptions.ANIM_SCALE_UP:
    626                     service.mWindowManager.overridePendingAppTransitionScaleUp(
    627                             pendingOptions.getStartX(), pendingOptions.getStartY(),
    628                             pendingOptions.getStartWidth(), pendingOptions.getStartHeight());
    629                     if (intent.getSourceBounds() == null) {
    630                         intent.setSourceBounds(new Rect(pendingOptions.getStartX(),
    631                                 pendingOptions.getStartY(),
    632                                 pendingOptions.getStartX()+pendingOptions.getStartWidth(),
    633                                 pendingOptions.getStartY()+pendingOptions.getStartHeight()));
    634                     }
    635                     break;
    636                 case ActivityOptions.ANIM_THUMBNAIL_SCALE_UP:
    637                 case ActivityOptions.ANIM_THUMBNAIL_SCALE_DOWN:
    638                     boolean scaleUp = (animationType == ActivityOptions.ANIM_THUMBNAIL_SCALE_UP);
    639                     service.mWindowManager.overridePendingAppTransitionThumb(
    640                             pendingOptions.getThumbnail(),
    641                             pendingOptions.getStartX(), pendingOptions.getStartY(),
    642                             pendingOptions.getOnAnimationStartListener(),
    643                             scaleUp);
    644                     if (intent.getSourceBounds() == null) {
    645                         intent.setSourceBounds(new Rect(pendingOptions.getStartX(),
    646                                 pendingOptions.getStartY(),
    647                                 pendingOptions.getStartX()
    648                                         + pendingOptions.getThumbnail().getWidth(),
    649                                 pendingOptions.getStartY()
    650                                         + pendingOptions.getThumbnail().getHeight()));
    651                     }
    652                     break;
    653             }
    654             pendingOptions = null;
    655         }
    656     }
    657 
    658     void clearOptionsLocked() {
    659         if (pendingOptions != null) {
    660             pendingOptions.abort();
    661             pendingOptions = null;
    662         }
    663     }
    664 
    665     ActivityOptions takeOptionsLocked() {
    666         ActivityOptions opts = pendingOptions;
    667         pendingOptions = null;
    668         return opts;
    669     }
    670 
    671     void removeUriPermissionsLocked() {
    672         if (uriPermissions != null) {
    673             uriPermissions.removeUriPermissionsLocked();
    674             uriPermissions = null;
    675         }
    676     }
    677 
    678     void pauseKeyDispatchingLocked() {
    679         if (!keysPaused) {
    680             keysPaused = true;
    681             service.mWindowManager.pauseKeyDispatching(appToken);
    682         }
    683     }
    684 
    685     void resumeKeyDispatchingLocked() {
    686         if (keysPaused) {
    687             keysPaused = false;
    688             service.mWindowManager.resumeKeyDispatching(appToken);
    689         }
    690     }
    691 
    692     void updateThumbnail(Bitmap newThumbnail, CharSequence description) {
    693         if ((intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) {
    694             // This is a logical break in the task; it repre
    695         }
    696         if (thumbHolder != null) {
    697             if (newThumbnail != null) {
    698                 if (ActivityManagerService.DEBUG_THUMBNAILS) Slog.i(ActivityManagerService.TAG,
    699                         "Setting thumbnail of " + this + " holder " + thumbHolder
    700                         + " to " + newThumbnail);
    701                 thumbHolder.lastThumbnail = newThumbnail;
    702             }
    703             thumbHolder.lastDescription = description;
    704         }
    705     }
    706 
    707     void startLaunchTickingLocked() {
    708         if (ActivityManagerService.IS_USER_BUILD) {
    709             return;
    710         }
    711         if (launchTickTime == 0) {
    712             launchTickTime = SystemClock.uptimeMillis();
    713             continueLaunchTickingLocked();
    714         }
    715     }
    716 
    717     boolean continueLaunchTickingLocked() {
    718         if (launchTickTime != 0) {
    719             Message msg = stack.mHandler.obtainMessage(ActivityStack.LAUNCH_TICK_MSG);
    720             msg.obj = this;
    721             stack.mHandler.removeMessages(ActivityStack.LAUNCH_TICK_MSG);
    722             stack.mHandler.sendMessageDelayed(msg, ActivityStack.LAUNCH_TICK);
    723             return true;
    724         }
    725         return false;
    726     }
    727 
    728     void finishLaunchTickingLocked() {
    729         launchTickTime = 0;
    730         stack.mHandler.removeMessages(ActivityStack.LAUNCH_TICK_MSG);
    731     }
    732 
    733     // IApplicationToken
    734 
    735     public boolean mayFreezeScreenLocked(ProcessRecord app) {
    736         // Only freeze the screen if this activity is currently attached to
    737         // an application, and that application is not blocked or unresponding.
    738         // In any other case, we can't count on getting the screen unfrozen,
    739         // so it is best to leave as-is.
    740         return app != null && !app.crashing && !app.notResponding;
    741     }
    742 
    743     public void startFreezingScreenLocked(ProcessRecord app, int configChanges) {
    744         if (mayFreezeScreenLocked(app)) {
    745             service.mWindowManager.startAppFreezingScreen(appToken, configChanges);
    746         }
    747     }
    748 
    749     public void stopFreezingScreenLocked(boolean force) {
    750         if (force || frozenBeforeDestroy) {
    751             frozenBeforeDestroy = false;
    752             service.mWindowManager.stopAppFreezingScreen(appToken, force);
    753         }
    754     }
    755 
    756     public void windowsDrawn() {
    757         synchronized(service) {
    758             if (launchTime != 0) {
    759                 final long curTime = SystemClock.uptimeMillis();
    760                 final long thisTime = curTime - launchTime;
    761                 final long totalTime = stack.mInitialStartTime != 0
    762                         ? (curTime - stack.mInitialStartTime) : thisTime;
    763                 if (ActivityManagerService.SHOW_ACTIVITY_START_TIME) {
    764                     EventLog.writeEvent(EventLogTags.AM_ACTIVITY_LAUNCH_TIME,
    765                             userId, System.identityHashCode(this), shortComponentName,
    766                             thisTime, totalTime);
    767                     StringBuilder sb = service.mStringBuilder;
    768                     sb.setLength(0);
    769                     sb.append("Displayed ");
    770                     sb.append(shortComponentName);
    771                     sb.append(": ");
    772                     TimeUtils.formatDuration(thisTime, sb);
    773                     if (thisTime != totalTime) {
    774                         sb.append(" (total ");
    775                         TimeUtils.formatDuration(totalTime, sb);
    776                         sb.append(")");
    777                     }
    778                     Log.i(ActivityManagerService.TAG, sb.toString());
    779                 }
    780                 stack.reportActivityLaunchedLocked(false, this, thisTime, totalTime);
    781                 if (totalTime > 0) {
    782                     service.mUsageStatsService.noteLaunchTime(realActivity, (int)totalTime);
    783                 }
    784                 launchTime = 0;
    785                 stack.mInitialStartTime = 0;
    786             }
    787             startTime = 0;
    788             finishLaunchTickingLocked();
    789         }
    790     }
    791 
    792     public void windowsVisible() {
    793         synchronized(service) {
    794             stack.reportActivityVisibleLocked(this);
    795             if (ActivityManagerService.DEBUG_SWITCH) Log.v(
    796                     ActivityManagerService.TAG, "windowsVisible(): " + this);
    797             if (!nowVisible) {
    798                 nowVisible = true;
    799                 lastVisibleTime = SystemClock.uptimeMillis();
    800                 if (!idle) {
    801                     // Instead of doing the full stop routine here, let's just
    802                     // hide any activities we now can, and let them stop when
    803                     // the normal idle happens.
    804                     stack.processStoppingActivitiesLocked(false);
    805                 } else {
    806                     // If this activity was already idle, then we now need to
    807                     // make sure we perform the full stop of any activities
    808                     // that are waiting to do so.  This is because we won't
    809                     // do that while they are still waiting for this one to
    810                     // become visible.
    811                     final int N = stack.mWaitingVisibleActivities.size();
    812                     if (N > 0) {
    813                         for (int i=0; i<N; i++) {
    814                             ActivityRecord r = (ActivityRecord)
    815                                 stack.mWaitingVisibleActivities.get(i);
    816                             r.waitingVisible = false;
    817                             if (ActivityManagerService.DEBUG_SWITCH) Log.v(
    818                                     ActivityManagerService.TAG,
    819                                     "Was waiting for visible: " + r);
    820                         }
    821                         stack.mWaitingVisibleActivities.clear();
    822                         Message msg = Message.obtain();
    823                         msg.what = ActivityStack.IDLE_NOW_MSG;
    824                         stack.mHandler.sendMessage(msg);
    825                     }
    826                 }
    827                 service.scheduleAppGcsLocked();
    828             }
    829         }
    830     }
    831 
    832     public void windowsGone() {
    833         if (ActivityManagerService.DEBUG_SWITCH) Log.v(
    834                 ActivityManagerService.TAG, "windowsGone(): " + this);
    835         nowVisible = false;
    836     }
    837 
    838     private ActivityRecord getWaitingHistoryRecordLocked() {
    839         // First find the real culprit...  if we are waiting
    840         // for another app to start, then we have paused dispatching
    841         // for this activity.
    842         ActivityRecord r = this;
    843         if (r.waitingVisible) {
    844             // Hmmm, who might we be waiting for?
    845             r = stack.mResumedActivity;
    846             if (r == null) {
    847                 r = stack.mPausingActivity;
    848             }
    849             // Both of those null?  Fall back to 'this' again
    850             if (r == null) {
    851                 r = this;
    852             }
    853         }
    854 
    855         return r;
    856     }
    857 
    858     public boolean keyDispatchingTimedOut() {
    859         // TODO: Unify this code with ActivityManagerService.inputDispatchingTimedOut().
    860         ActivityRecord r;
    861         ProcessRecord anrApp = null;
    862         synchronized(service) {
    863             r = getWaitingHistoryRecordLocked();
    864             if (r != null && r.app != null) {
    865                 if (r.app.debugging) {
    866                     return false;
    867                 }
    868 
    869                 if (service.mDidDexOpt) {
    870                     // Give more time since we were dexopting.
    871                     service.mDidDexOpt = false;
    872                     return false;
    873                 }
    874 
    875                 if (r.app.instrumentationClass == null) {
    876                     anrApp = r.app;
    877                 } else {
    878                     Bundle info = new Bundle();
    879                     info.putString("shortMsg", "keyDispatchingTimedOut");
    880                     info.putString("longMsg", "Timed out while dispatching key event");
    881                     service.finishInstrumentationLocked(
    882                             r.app, Activity.RESULT_CANCELED, info);
    883                 }
    884             }
    885         }
    886 
    887         if (anrApp != null) {
    888             service.appNotResponding(anrApp, r, this, false, "keyDispatchingTimedOut");
    889         }
    890 
    891         return true;
    892     }
    893 
    894     /** Returns the key dispatching timeout for this application token. */
    895     public long getKeyDispatchingTimeout() {
    896         synchronized(service) {
    897             ActivityRecord r = getWaitingHistoryRecordLocked();
    898             if (r != null && r.app != null
    899                     && (r.app.instrumentationClass != null || r.app.usingWrapper)) {
    900                 return ActivityManagerService.INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT;
    901             }
    902 
    903             return ActivityManagerService.KEY_DISPATCHING_TIMEOUT;
    904         }
    905     }
    906 
    907     /**
    908      * This method will return true if the activity is either visible, is becoming visible, is
    909      * currently pausing, or is resumed.
    910      */
    911     public boolean isInterestingToUserLocked() {
    912         return visible || nowVisible || state == ActivityState.PAUSING ||
    913                 state == ActivityState.RESUMED;
    914     }
    915 
    916     public void setSleeping(boolean _sleeping) {
    917         if (sleeping == _sleeping) {
    918             return;
    919         }
    920         if (app != null && app.thread != null) {
    921             try {
    922                 app.thread.scheduleSleeping(appToken, _sleeping);
    923                 if (sleeping && !stack.mGoingToSleepActivities.contains(this)) {
    924                     stack.mGoingToSleepActivities.add(this);
    925                 }
    926                 sleeping = _sleeping;
    927             } catch (RemoteException e) {
    928                 Slog.w(ActivityStack.TAG, "Exception thrown when sleeping: "
    929                         + intent.getComponent(), e);
    930             }
    931         }
    932     }
    933 
    934     public String toString() {
    935         if (stringName != null) {
    936             return stringName;
    937         }
    938         StringBuilder sb = new StringBuilder(128);
    939         sb.append("ActivityRecord{");
    940         sb.append(Integer.toHexString(System.identityHashCode(this)));
    941         sb.append(" u");
    942         sb.append(userId);
    943         sb.append(' ');
    944         sb.append(intent.getComponent().flattenToShortString());
    945         sb.append('}');
    946         return stringName = sb.toString();
    947     }
    948 }
    949