ActivityThread.java源碼
/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.app;
import android.app.backup.BackupAgent;
import android.content.BroadcastReceiver;
import android.content.ComponentCallbacks;
import android.content.ComponentName;
import android.content.ContentProvider;
import android.content.Context;
import android.content.IContentProvider;
import android.content.Intent;
import android.content.IIntentReceiver;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.IPackageManager;
import android.content.pm.InstrumentationInfo;
import android.content.pm.PackageManager;
import android.content.pm.ProviderInfo;
import android.content.pm.ServiceInfo;
import android.content.res.AssetManager;
import android.content.res.CompatibilityInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDebug;
import android.database.sqlite.SQLiteDebug.DbStats;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.os.Build;
import android.os.Bundle;
import android.os.Debug;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.MessageQueue;
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.StrictMode;
import android.os.SystemClock;
import android.util.AndroidRuntimeException;
import android.util.Config;
import android.util.DisplayMetrics;
import android.util.EventLog;
import android.util.Log;
import android.util.LogPrinter;
import android.util.Slog;
import android.view.Display;
import android.view.View;
import android.view.ViewDebug;
import android.view.ViewManager;
import android.view.ViewRoot;
import android.view.Window;
import android.view.WindowManager;
import android.view.WindowManagerImpl;
import com.android.internal.os.BinderInternal;
import com.android.internal.os.RuntimeInit;
import com.android.internal.os.SamplingProfilerIntegration;
import org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import java.util.regex.Pattern;
import dalvik.system.SamplingProfiler;
final class SuperNotCalledException extends AndroidRuntimeException {
public SuperNotCalledException(String msg) {
super(msg);
}
}
final class RemoteServiceException extends AndroidRuntimeException {
public RemoteServiceException(String msg) {
super(msg);
}
}
/**
* This manages the execution of the main thread in an
* application process, scheduling and executing activities,
* broadcasts, and other operations on it as the activity
* manager requests.
*
* {@hide}
*/
public final class ActivityThread {
static final String TAG = "ActivityThread";
private static final android.graphics.Bitmap.Config THUMBNAIL_FORMAT = Bitmap.Config.RGB_565;
private static final boolean DEBUG = false;
static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV;
static final boolean DEBUG_MESSAGES = false;
static final boolean DEBUG_BROADCAST = false;
private static final boolean DEBUG_RESULTS = false;
private static final boolean DEBUG_BACKUP = false;
private static final boolean DEBUG_CONFIGURATION = false;
private static final long MIN_TIME_BETWEEN_GCS = 5*1000;
private static final Pattern PATTERN_SEMICOLON = Pattern.compile(";");
private static final int SQLITE_MEM_RELEASED_EVENT_LOG_TAG = 75003;
private static final int LOG_ON_PAUSE_CALLED = 30021;
private static final int LOG_ON_RESUME_CALLED = 30022;
static ContextImpl mSystemContext = null;
static IPackageManager sPackageManager;
final ApplicationThread mAppThread = new ApplicationThread();
final Looper mLooper = Looper.myLooper();
final H mH = new H();
final HashMap mActivities
= new HashMap();
// List of new activities (via ActivityRecord.nextIdle) that should
// be reported when next we idle.
ActivityClientRecord mNewActivities = null;
// Number of activities that are currently visible on-screen.
int mNumVisibleActivities = 0;
final HashMap mServices
= new HashMap();
AppBindData mBoundApplication;
Configuration mConfiguration;
Configuration mResConfiguration;
Application mInitialApplication;
final ArrayList mAllApplications
= new ArrayList();
// set of instantiated backup agents, keyed by package name
final HashMap mBackupAgents = new HashMap();
static final ThreadLocal sThreadLocal = new ThreadLocal();
Instrumentation mInstrumentation;
String mInstrumentationAppDir = null;
String mInstrumentationAppPackage = null;
String mInstrumentedAppDir = null;
boolean mSystemThread = false;
boolean mJitEnabled = false;
// These can be accessed by multiple threads; mPackages is the lock.
// XXX For now we keep around information about all packages we have
// seen, not removing entries from this map.
final HashMap> mPackages
= new HashMap>();
final HashMap> mResourcePackages
= new HashMap>();
Display mDisplay = null;
DisplayMetrics mDisplayMetrics = null;
final HashMap > mActiveResources
= new HashMap >();
final ArrayList mRelaunchingActivities
= new ArrayList();
Configuration mPendingConfiguration = null;
// The lock of mProviderMap protects the following variables.
final HashMap mProviderMap
= new HashMap();
final HashMap mProviderRefCountMap
= new HashMap();
final HashMap mLocalProviders
= new HashMap();
final GcIdler mGcIdler = new GcIdler();
boolean mGcIdlerScheduled = false;
static Handler sMainThreadHandler; // set once in main()
private static final class ActivityClientRecord {
IBinder token;
int ident;
Intent intent;
Bundle state;
Activity activity;
Window window;
Activity parent;
String embeddedID;
Object lastNonConfigurationInstance;
HashMap lastNonConfigurationChildInstances;
boolean paused;
boolean stopped;
boolean hideForNow;
Configuration newConfig;
Configuration createdConfig;
ActivityClientRecord nextIdle;
ActivityInfo activityInfo;
LoadedApk packageInfo;
List pendingResults;
List pendingIntents;
boolean startsNotResumed;
boolean isForward;
ActivityClientRecord() {
parent = null;
embeddedID = null;
paused = false;
stopped = false;
hideForNow = false;
nextIdle = null;
}
public String toString() {
ComponentName componentName = intent.getComponent();
return "ActivityRecord{"
+ Integer.toHexString(System.identityHashCode(this))
+ " token=" + token + " " + (componentName == null
? "no component name" : componentName.toShortString())
+ "}";
}
}
private final class ProviderClientRecord implements IBinder.DeathRecipient {
final String mName;
final IContentProvider mProvider;
final ContentProvider mLocalProvider;
ProviderClientRecord(String name, IContentProvider provider,
ContentProvider localProvider) {
mName = name;
mProvider = provider;
mLocalProvider = localProvider;
}
public void binderDied() {
removeDeadProvider(mName, mProvider);
}
}
private static final class NewIntentData {
List intents;
IBinder token;
public String toString() {
return "NewIntentData{intents=" + intents + " token=" + token + "}";
}
}
private static final class ReceiverData {
Intent intent;
ActivityInfo info;
int resultCode;
String resultData;
Bundle resultExtras;
boolean sync;
boolean resultAbort;
public String toString() {
return "ReceiverData{intent=" + intent + " packageName=" +
info.packageName + " resultCode=" + resultCode
+ " resultData=" + resultData + " resultExtras=" + resultExtras + "}";
}
}
private static final class CreateBackupAgentData {
ApplicationInfo appInfo;
int backupMode;
public String toString() {
return "CreateBackupAgentData{appInfo=" + appInfo
+ " backupAgent=" + appInfo.backupAgentName
+ " mode=" + backupMode + "}";
}
}
private static final class CreateServiceData {
IBinder token;
ServiceInfo info;
Intent intent;
public String toString() {
return "CreateServiceData{token=" + token + " className="
+ info.name + " packageName=" + info.packageName
+ " intent=" + intent + "}";
}
}
private static final class BindServiceData {
IBinder token;
Intent intent;
boolean rebind;
public String toString() {
return "BindServiceData{token=" + token + " intent=" + intent + "}";
}
}
private static final class ServiceArgsData {
IBinder token;
int startId;
int flags;
Intent args;
public String toString() {
return "ServiceArgsData{token=" + token + " startId=" + startId
+ " args=" + args + "}";
}
}
private static final class AppBindData {
LoadedApk info;
String processName;
ApplicationInfo appInfo;
List providers;
ComponentName instrumentationName;
String profileFile;
Bundle instrumentationArgs;
IInstrumentationWatcher instrumentationWatcher;
int debugMode;
boolean restrictedBackupMode;
Configuration config;
boolean handlingProfiling;
public String toString() {
return "AppBindData{appInfo=" + appInfo + "}";
}
}
private static final class DumpServiceInfo {
FileDescriptor fd;
IBinder service;
String[] args;
boolean dumped;
}
private static final class ResultData {
IBinder token;
List results;
public String toString() {
return "ResultData{token=" + token + " results" + results + "}";
}
}
private static final class ContextCleanupInfo {
ContextImpl context;
String what;
String who;
}
private static final class ProfilerControlData {
String path;
ParcelFileDescriptor fd;
}
private final class ApplicationThread extends ApplicationThreadNative {
private static final String HEAP_COLUMN = "%17s %8s %8s %8s %8s";
private static final String ONE_COUNT_COLUMN = "%17s %8d";
private static final String TWO_COUNT_COLUMNS = "%17s %8d %17s %8d";
private static final String TWO_COUNT_COLUMNS_DB = "%20s %8d %20s %8d";
private static final String DB_INFO_FORMAT = " %8d %8d %14d %s";
// Formatting for checkin service - update version if row format changes
private static final int ACTIVITY_THREAD_CHECKIN_VERSION = 1;
public final void schedulePauseActivity(IBinder token, boolean finished,
boolean userLeaving, int configChanges) {
queueOrSendMessage(
finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY,
token,
(userLeaving ? 1 : 0),
configChanges);
}
public final void scheduleStopActivity(IBinder token, boolean showWindow,
int configChanges) {
queueOrSendMessage(
showWindow ? H.STOP_ACTIVITY_SHOW : H.STOP_ACTIVITY_HIDE,
token, 0, configChanges);
}
public final void scheduleWindowVisibility(IBinder token, boolean showWindow) {
queueOrSendMessage(
showWindow ? H.SHOW_WINDOW : H.HIDE_WINDOW,
token);
}
public final void scheduleResumeActivity(IBinder token, boolean isForward) {
queueOrSendMessage(H.RESUME_ACTIVITY, token, isForward ? 1 : 0);
}
public final void scheduleSendResult(IBinder token, List results) {
ResultData res = new ResultData();
res.token = token;
res.results = results;
queueOrSendMessage(H.SEND_RESULT, res);
}
// we use token to identify this activity without having to send the
// activity itself back to the activity manager. (matters more with ipc)
public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident,
ActivityInfo info, Bundle state, List pendingResults,
List pendingNewIntents, boolean notResumed, boolean isForward) {
ActivityClientRecord r = new ActivityClientRecord();
r.token = token;
r.ident = ident;
r.intent = intent;
r.activityInfo = info;
r.state = state;
r.pendingResults = pendingResults;
r.pendingIntents = pendingNewIntents;
r.startsNotResumed = notResumed;
r.isForward = isForward;
queueOrSendMessage(H.LAUNCH_ACTIVITY, r);
}
public final void scheduleRelaunchActivity(IBinder token,
List pendingResults, List pendingNewIntents,
int configChanges, boolean notResumed, Configuration config) {
ActivityClientRecord r = new ActivityClientRecord();
r.token = token;
r.pendingResults = pendingResults;
r.pendingIntents = pendingNewIntents;
r.startsNotResumed = notResumed;
r.createdConfig = config;
synchronized (mPackages) {
mRelaunchingActivities.add(r);
}
queueOrSendMessage(H.RELAUNCH_ACTIVITY, r, configChanges);
}
public final void scheduleNewIntent(List intents, IBinder token) {
NewIntentData data = new NewIntentData();
data.intents = intents;
data.token = token;
queueOrSendMessage(H.NEW_INTENT, data);
}
public final void scheduleDestroyActivity(IBinder token, boolean finishing,
int configChanges) {
queueOrSendMessage(H.DESTROY_ACTIVITY, token, finishing ? 1 : 0,
configChanges);
}
public final void scheduleReceiver(Intent intent, ActivityInfo info,
int resultCode, String data, Bundle extras, boolean sync) {
ReceiverData r = new ReceiverData();
r.intent = intent;
r.info = info;
r.resultCode = resultCode;
r.resultData = data;
r.resultExtras = extras;
r.sync = sync;
queueOrSendMessage(H.RECEIVER, r);
}
public final void scheduleCreateBackupAgent(ApplicationInfo app, int backupMode) {
CreateBackupAgentData d = new CreateBackupAgentData();
d.appInfo = app;
d.backupMode = backupMode;
queueOrSendMessage(H.CREATE_BACKUP_AGENT, d);
}
public final void scheduleDestroyBackupAgent(ApplicationInfo app) {
CreateBackupAgentData d = new CreateBackupAgentData();
d.appInfo = app;
queueOrSendMessage(H.DESTROY_BACKUP_AGENT, d);
}
public final void scheduleCreateService(IBinder token,
ServiceInfo info) {
CreateServiceData s = new CreateServiceData();
s.token = token;
s.info = info;
queueOrSendMessage(H.CREATE_SERVICE, s);
}
public final void scheduleBindService(IBinder token, Intent intent,
boolean rebind) {
BindServiceData s = new BindServiceData();
s.token = token;
s.intent = intent;
s.rebind = rebind;
queueOrSendMessage(H.BIND_SERVICE, s);
}
public final void scheduleUnbindService(IBinder token, Intent intent) {
BindServiceData s = new BindServiceData();
s.token = token;
s.intent = intent;
queueOrSendMessage(H.UNBIND_SERVICE, s);
}
public final void scheduleServiceArgs(IBinder token, int startId,
int flags ,Intent args) {
ServiceArgsData s = new ServiceArgsData();
s.token = token;
s.startId = startId;
s.flags = flags;
s.args = args;
queueOrSendMessage(H.SERVICE_ARGS, s);
}
public final void scheduleStopService(IBinder token) {
queueOrSendMessage(H.STOP_SERVICE, token);
}
public final void bindApplication(String processName,
ApplicationInfo appInfo, List providers,
ComponentName instrumentationName, String profileFile,
Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher,
int debugMode, boolean isRestrictedBackupMode, Configuration config,
Map services) {
if (services != null) {
// Setup the service cache in the ServiceManager
ServiceManager.initServiceCache(services);
}
AppBindData data = new AppBindData();
data.processName = processName;
data.appInfo = appInfo;
data.providers = providers;
data.instrumentationName = instrumentationName;
data.profileFile = profileFile;
data.instrumentationArgs = instrumentationArgs;
data.instrumentationWatcher = instrumentationWatcher;
data.debugMode = debugMode;
data.restrictedBackupMode = isRestrictedBackupMode;
data.config = config;
queueOrSendMessage(H.BIND_APPLICATION, data);
}
public final void scheduleExit() {
queueOrSendMessage(H.EXIT_APPLICATION, null);
}
public final void scheduleSuicide() {
queueOrSendMessage(H.SUICIDE, null);
}
public void requestThumbnail(IBinder token) {
queueOrSendMessage(H.REQUEST_THUMBNAIL, token);
}
public void scheduleConfigurationChanged(Configuration config) {
synchronized (mPackages) {
if (mPendingConfiguration == null ||
mPendingConfiguration.isOtherSeqNewer(config)) {
mPendingConfiguration = config;
}
}
queueOrSendMessage(H.CONFIGURATION_CHANGED, config);
}
public void updateTimeZone() {
TimeZone.setDefault(null);
}
public void processInBackground() {
mH.removeMessages(H.GC_WHEN_IDLE);
mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));
}
public void dumpService(FileDescriptor fd, IBinder servicetoken, String[] args) {
DumpServiceInfo data = new DumpServiceInfo();
data.fd = fd;
data.service = servicetoken;
data.args = args;
data.dumped = false;
queueOrSendMessage(H.DUMP_SERVICE, data);
synchronized (data) {
while (!data.dumped) {
try {
data.wait();
} catch (InterruptedException e) {
// no need to do anything here, we will keep waiting until
// dumped is set
}
}
}
}
// This function exists to make sure all receiver dispatching is
// correctly ordered, since these are one-way calls and the binder driver
// applies transaction ordering per object for such calls.
public void scheduleRegisteredReceiver(IIntentReceiver receiver, Intent intent,
int resultCode, String dataStr, Bundle extras, boolean ordered,
boolean sticky) throws RemoteException {
receiver.performReceive(intent, resultCode, dataStr, extras, ordered, sticky);
}
public void scheduleLowMemory() {
queueOrSendMessage(H.LOW_MEMORY, null);
}
public void scheduleActivityConfigurationChanged(IBinder token) {
queueOrSendMessage(H.ACTIVITY_CONFIGURATION_CHANGED, token);
}
public void profilerControl(boolean start, String path, ParcelFileDescriptor fd) {
ProfilerControlData pcd = new ProfilerControlData();
pcd.path = path;
pcd.fd = fd;
queueOrSendMessage(H.PROFILER_CONTROL, pcd, start ? 1 : 0);
}
public void setSchedulingGroup(int group) {
// Note: do this immediately, since going into the foreground
// should happen regardless of what pending work we have to do
// and the activity manager will wait for us to report back that
// we are done before sending us to the background.
try {
Process.setProcessGroup(Process.myPid(), group);
} catch (Exception e) {
Slog.w(TAG, "Failed setting process group to " + group, e);
}
}
public void getMemoryInfo(Debug.MemoryInfo outInfo) {
Debug.getMemoryInfo(outInfo);
}
public void dispatchPackageBroadcast(int cmd, String[] packages) {
queueOrSendMessage(H.DISPATCH_PACKAGE_BROADCAST, packages, cmd);
}
public void scheduleCrash(String msg) {
queueOrSendMessage(H.SCHEDULE_CRASH, msg);
}
@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
long nativeMax = Debug.getNativeHeapSize() / 1024;
long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
Debug.getMemoryInfo(memInfo);
final int nativeShared = memInfo.nativeSharedDirty;
final int dalvikShared = memInfo.dalvikSharedDirty;
final int otherShared = memInfo.otherSharedDirty;
final int nativePrivate = memInfo.nativePrivateDirty;
final int dalvikPrivate = memInfo.dalvikPrivateDirty;
final int otherPrivate = memInfo.otherPrivateDirty;
Runtime runtime = Runtime.getRuntime();
long dalvikMax = runtime.totalMemory() / 1024;
long dalvikFree = runtime.freeMemory() / 1024;
long dalvikAllocated = dalvikMax - dalvikFree;
long viewInstanceCount = ViewDebug.getViewInstanceCount();
long viewRootInstanceCount = ViewDebug.getViewRootInstanceCount();
long appContextInstanceCount = ContextImpl.getInstanceCount();
long activityInstanceCount = Activity.getInstanceCount();
int globalAssetCount = AssetManager.getGlobalAssetCount();
int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
int openSslSocketCount = OpenSSLSocketImpl.getInstanceCount();
long sqliteAllocated = SQLiteDebug.getHeapAllocatedSize() / 1024;
SQLiteDebug.PagerStats stats = SQLiteDebug.getDatabaseInfo();
// Check to see if we were called by checkin server. If so, print terse format.
boolean doCheckinFormat = false;
if (args != null) {
for (String arg : args) {
if ("-c".equals(arg)) doCheckinFormat = true;
}
}
// For checkin, we print one long comma-separated list of values
if (doCheckinFormat) {
// NOTE: if you change anything significant below, also consider changing
// ACTIVITY_THREAD_CHECKIN_VERSION.
String processName = (mBoundApplication != null)
? mBoundApplication.processName : "unknown";
// Header
pw.print(ACTIVITY_THREAD_CHECKIN_VERSION); pw.print(',');
pw.print(Process.myPid()); pw.print(',');
pw.print(processName); pw.print(',');
// Heap info - max
pw.print(nativeMax); pw.print(',');
pw.print(dalvikMax); pw.print(',');
pw.print("N/A,");
pw.print(nativeMax + dalvikMax); pw.print(',');
// Heap info - allocated
pw.print(nativeAllocated); pw.print(',');
pw.print(dalvikAllocated); pw.print(',');
pw.print("N/A,");
pw.print(nativeAllocated + dalvikAllocated); pw.print(',');
// Heap info - free
pw.print(nativeFree); pw.print(',');
pw.print(dalvikFree); pw.print(',');
pw.print("N/A,");
pw.print(nativeFree + dalvikFree); pw.print(',');
// Heap info - proportional set size
pw.print(memInfo.nativePss); pw.print(',');
pw.print(memInfo.dalvikPss); pw.print(',');
pw.print(memInfo.otherPss); pw.print(',');
pw.print(memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss); pw.print(',');
// Heap info - shared
pw.print(nativeShared); pw.print(',');
pw.print(dalvikShared); pw.print(',');
pw.print(otherShared); pw.print(',');
pw.print(nativeShared + dalvikShared + otherShared); pw.print(',');
// Heap info - private
pw.print(nativePrivate); pw.print(',');
pw.print(dalvikPrivate); pw.print(',');
pw.print(otherPrivate); pw.print(',');
pw.print(nativePrivate + dalvikPrivate + otherPrivate); pw.print(',');
// Object counts
pw.print(viewInstanceCount); pw.print(',');
pw.print(viewRootInstanceCount); pw.print(',');
pw.print(appContextInstanceCount); pw.print(',');
pw.print(activityInstanceCount); pw.print(',');
pw.print(globalAssetCount); pw.print(',');
pw.print(globalAssetManagerCount); pw.print(',');
pw.print(binderLocalObjectCount); pw.print(',');
pw.print(binderProxyObjectCount); pw.print(',');
pw.print(binderDeathObjectCount); pw.print(',');
pw.print(openSslSocketCount); pw.print(',');
// SQL
pw.print(sqliteAllocated); pw.print(',');
pw.print(stats.memoryUsed / 1024); pw.print(',');
pw.print(stats.pageCacheOverflo / 1024); pw.print(',');
pw.print(stats.largestMemAlloc / 1024); pw.print(',');
for (int i = 0; i < stats.dbStats.size(); i++) {
DbStats dbStats = stats.dbStats.get(i);
printRow(pw, DB_INFO_FORMAT, dbStats.pageSize, dbStats.dbSize,
dbStats.lookaside, dbStats.dbName);
pw.print(',');
}
return;
}
// otherwise, show human-readable format
printRow(pw, HEAP_COLUMN, "", "native", "dalvik", "other", "total");
printRow(pw, HEAP_COLUMN, "size:", nativeMax, dalvikMax, "N/A", nativeMax + dalvikMax);
printRow(pw, HEAP_COLUMN, "allocated:", nativeAllocated, dalvikAllocated, "N/A",
nativeAllocated + dalvikAllocated);
printRow(pw, HEAP_COLUMN, "free:", nativeFree, dalvikFree, "N/A",
nativeFree + dalvikFree);
printRow(pw, HEAP_COLUMN, "(Pss):", memInfo.nativePss, memInfo.dalvikPss,
memInfo.otherPss, memInfo.nativePss + memInfo.dalvikPss + memInfo.otherPss);
printRow(pw, HEAP_COLUMN, "(shared dirty):", nativeShared, dalvikShared, otherShared,
nativeShared + dalvikShared + otherShared);
printRow(pw, HEAP_COLUMN, "(priv dirty):", nativePrivate, dalvikPrivate, otherPrivate,
nativePrivate + dalvikPrivate + otherPrivate);
pw.println(" ");
pw.println(" Objects");
printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRoots:",
viewRootInstanceCount);
printRow(pw, TWO_COUNT_COLUMNS, "AppContexts:", appContextInstanceCount,
"Activities:", activityInstanceCount);
printRow(pw, TWO_COUNT_COLUMNS, "Assets:", globalAssetCount,
"AssetManagers:", globalAssetManagerCount);
printRow(pw, TWO_COUNT_COLUMNS, "Local Binders:", binderLocalObjectCount,
"Proxy Binders:", binderProxyObjectCount);
printRow(pw, ONE_COUNT_COLUMN, "Death Recipients:", binderDeathObjectCount);
printRow(pw, ONE_COUNT_COLUMN, "OpenSSL Sockets:", openSslSocketCount);
// SQLite mem info
pw.println(" ");
pw.println(" SQL");
printRow(pw, TWO_COUNT_COLUMNS_DB, "heap:", sqliteAllocated, "MEMORY_USED:",
stats.memoryUsed / 1024);
printRow(pw, TWO_COUNT_COLUMNS_DB, "PAGECACHE_OVERFLOW:",
stats.pageCacheOverflo / 1024, "MALLOC_SIZE:", stats.largestMemAlloc / 1024);
pw.println(" ");
int N = stats.dbStats.size();
if (N > 0) {
pw.println(" DATABASES");
printRow(pw, " %8s %8s %14s %s", "pgsz", "dbsz", "Lookaside(b)", "Dbname");
for (int i = 0; i < N; i++) {
DbStats dbStats = stats.dbStats.get(i);
printRow(pw, DB_INFO_FORMAT, dbStats.pageSize, dbStats.dbSize,
dbStats.lookaside, dbStats.dbName);
}
}
// Asset details.
String assetAlloc = AssetManager.getAssetAllocations();
if (assetAlloc != null) {
pw.println(" ");
pw.println(" Asset Allocations");
pw.print(assetAlloc);
}
}
private void printRow(PrintWriter pw, String format, Object...objs) {
pw.println(String.format(format, objs));
}
}
private final class H extends Handler {
public static final int LAUNCH_ACTIVITY = 100;
public static final int PAUSE_ACTIVITY = 101;
public static final int PAUSE_ACTIVITY_FINISHING= 102;
public static final int STOP_ACTIVITY_SHOW = 103;
public static final int STOP_ACTIVITY_HIDE = 104;
public static final int SHOW_WINDOW = 105;
public static final int HIDE_WINDOW = 106;
public static final int RESUME_ACTIVITY = 107;
public static final int SEND_RESULT = 108;
public static final int DESTROY_ACTIVITY = 109;
public static final int BIND_APPLICATION = 110;
public static final int EXIT_APPLICATION = 111;
public static final int NEW_INTENT = 112;
public static final int RECEIVER = 113;
public static final int CREATE_SERVICE = 114;
public static final int SERVICE_ARGS = 115;
public static final int STOP_SERVICE = 116;
public static final int REQUEST_THUMBNAIL = 117;
public static final int CONFIGURATION_CHANGED = 118;
public static final int CLEAN_UP_CONTEXT = 119;
public static final int GC_WHEN_IDLE = 120;
public static final int BIND_SERVICE = 121;
public static final int UNBIND_SERVICE = 122;
public static final int DUMP_SERVICE = 123;
public static final int LOW_MEMORY = 124;
public static final int ACTIVITY_CONFIGURATION_CHANGED = 125;
public static final int RELAUNCH_ACTIVITY = 126;
public static final int PROFILER_CONTROL = 127;
public static final int CREATE_BACKUP_AGENT = 128;
public static final int DESTROY_BACKUP_AGENT = 129;
public static final int SUICIDE = 130;
public static final int REMOVE_PROVIDER = 131;
public static final int ENABLE_JIT = 132;
public static final int DISPATCH_PACKAGE_BROADCAST = 133;
public static final int SCHEDULE_CRASH = 134;
String codeToString(int code) {
if (DEBUG_MESSAGES) {
switch (code) {
case LAUNCH_ACTIVITY: return "LAUNCH_ACTIVITY";
case PAUSE_ACTIVITY: return "PAUSE_ACTIVITY";
case PAUSE_ACTIVITY_FINISHING: return "PAUSE_ACTIVITY_FINISHING";
case STOP_ACTIVITY_SHOW: return "STOP_ACTIVITY_SHOW";
case STOP_ACTIVITY_HIDE: return "STOP_ACTIVITY_HIDE";
case SHOW_WINDOW: return "SHOW_WINDOW";
case HIDE_WINDOW: return "HIDE_WINDOW";
case RESUME_ACTIVITY: return "RESUME_ACTIVITY";
case SEND_RESULT: return "SEND_RESULT";
case DESTROY_ACTIVITY: return "DESTROY_ACTIVITY";
case BIND_APPLICATION: return "BIND_APPLICATION";
case EXIT_APPLICATION: return "EXIT_APPLICATION";
case NEW_INTENT: return "NEW_INTENT";
case RECEIVER: return "RECEIVER";
case CREATE_SERVICE: return "CREATE_SERVICE";
case SERVICE_ARGS: return "SERVICE_ARGS";
case STOP_SERVICE: return "STOP_SERVICE";
case REQUEST_THUMBNAIL: return "REQUEST_THUMBNAIL";
case CONFIGURATION_CHANGED: return "CONFIGURATION_CHANGED";
case CLEAN_UP_CONTEXT: return "CLEAN_UP_CONTEXT";
case GC_WHEN_IDLE: return "GC_WHEN_IDLE";
case BIND_SERVICE: return "BIND_SERVICE";
case UNBIND_SERVICE: return "UNBIND_SERVICE";
case DUMP_SERVICE: return "DUMP_SERVICE";
case LOW_MEMORY: return "LOW_MEMORY";
case ACTIVITY_CONFIGURATION_CHANGED: return "ACTIVITY_CONFIGURATION_CHANGED";
case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY";
case PROFILER_CONTROL: return "PROFILER_CONTROL";
case CREATE_BACKUP_AGENT: return "CREATE_BACKUP_AGENT";
case DESTROY_BACKUP_AGENT: return "DESTROY_BACKUP_AGENT";
case SUICIDE: return "SUICIDE";
case REMOVE_PROVIDER: return "REMOVE_PROVIDER";
case ENABLE_JIT: return "ENABLE_JIT";
case DISPATCH_PACKAGE_BROADCAST: return "DISPATCH_PACKAGE_BROADCAST";
case SCHEDULE_CRASH: return "SCHEDULE_CRASH";
}
}
return "(unknown)";
}
public void handleMessage(Message msg) {
if (DEBUG_MESSAGES) Slog.v(TAG, ">>> handling: " + msg.what);
switch (msg.what) {
case LAUNCH_ACTIVITY: {
ActivityClientRecord r = (ActivityClientRecord)msg.obj;
r.packageInfo = getPackageInfoNoCheck(
r.activityInfo.applicationInfo);
handleLaunchActivity(r, null);
} break;
case RELAUNCH_ACTIVITY: {
ActivityClientRecord r = (ActivityClientRecord)msg.obj;
handleRelaunchActivity(r, msg.arg1);
} break;
case PAUSE_ACTIVITY:
handlePauseActivity((IBinder)msg.obj, false, msg.arg1 != 0, msg.arg2);
maybeSnapshot();
break;
case PAUSE_ACTIVITY_FINISHING:
handlePauseActivity((IBinder)msg.obj, true, msg.arg1 != 0, msg.arg2);
break;
case STOP_ACTIVITY_SHOW:
handleStopActivity((IBinder)msg.obj, true, msg.arg2);
break;
case STOP_ACTIVITY_HIDE:
handleStopActivity((IBinder)msg.obj, false, msg.arg2);
break;
case SHOW_WINDOW:
handleWindowVisibility((IBinder)msg.obj, true);
break;
case HIDE_WINDOW:
handleWindowVisibility((IBinder)msg.obj, false);
break;
case RESUME_ACTIVITY:
handleResumeActivity((IBinder)msg.obj, true,
msg.arg1 != 0);
break;
case SEND_RESULT:
handleSendResult((ResultData)msg.obj);
break;
case DESTROY_ACTIVITY:
handleDestroyActivity((IBinder)msg.obj, msg.arg1 != 0,
msg.arg2, false);
break;
case BIND_APPLICATION:
AppBindData data = (AppBindData)msg.obj;
handleBindApplication(data);
break;
case EXIT_APPLICATION:
if (mInitialApplication != null) {
mInitialApplication.onTerminate();
}
Looper.myLooper().quit();
break;
case NEW_INTENT:
handleNewIntent((NewIntentData)msg.obj);
break;
case RECEIVER:
handleReceiver((ReceiverData)msg.obj);
maybeSnapshot();
break;
case CREATE_SERVICE:
handleCreateService((CreateServiceData)msg.obj);
break;
case BIND_SERVICE:
handleBindService((BindServiceData)msg.obj);
break;
case UNBIND_SERVICE:
handleUnbindService((BindServiceData)msg.obj);
break;
case SERVICE_ARGS:
handleServiceArgs((ServiceArgsData)msg.obj);
break;
case STOP_SERVICE:
handleStopService((IBinder)msg.obj);
maybeSnapshot();
break;
case REQUEST_THUMBNAIL:
handleRequestThumbnail((IBinder)msg.obj);
break;
case CONFIGURATION_CHANGED:
handleConfigurationChanged((Configuration)msg.obj);
break;
case CLEAN_UP_CONTEXT:
ContextCleanupInfo cci = (ContextCleanupInfo)msg.obj;
cci.context.performFinalCleanup(cci.who, cci.what);
break;
case GC_WHEN_IDLE:
scheduleGcIdler();
break;
case DUMP_SERVICE:
handleDumpService((DumpServiceInfo)msg.obj);
break;
case LOW_MEMORY:
handleLowMemory();
break;
case ACTIVITY_CONFIGURATION_CHANGED:
handleActivityConfigurationChanged((IBinder)msg.obj);
break;
case PROFILER_CONTROL:
handleProfilerControl(msg.arg1 != 0, (ProfilerControlData)msg.obj);
break;
case CREATE_BACKUP_AGENT:
handleCreateBackupAgent((CreateBackupAgentData)msg.obj);
break;
case DESTROY_BACKUP_AGENT:
handleDestroyBackupAgent((CreateBackupAgentData)msg.obj);
break;
case SUICIDE:
Process.killProcess(Process.myPid());
break;
case REMOVE_PROVIDER:
completeRemoveProvider((IContentProvider)msg.obj);
break;
case ENABLE_JIT:
ensureJitEnabled();
break;
case DISPATCH_PACKAGE_BROADCAST:
handleDispatchPackageBroadcast(msg.arg1, (String[])msg.obj);
break;
case SCHEDULE_CRASH:
throw new RemoteServiceException((String)msg.obj);
}
if (DEBUG_MESSAGES) Slog.v(TAG, "<<< done: " + msg.what);
}
void maybeSnapshot() {
if (mBoundApplication != null) {
SamplingProfilerIntegration.writeSnapshot(
mBoundApplication.processName);
}
}
}
private final class Idler implements MessageQueue.IdleHandler {
public final boolean queueIdle() {
ActivityClientRecord a = mNewActivities;
if (a != null) {
mNewActivities = null;
IActivityManager am = ActivityManagerNative.getDefault();
ActivityClientRecord prev;
do {
if (localLOGV) Slog.v(
TAG, "Reporting idle of " + a +
" finished=" +
(a.activity != null ? a.activity.mFinished : false));
if (a.activity != null && !a.activity.mFinished) {
try {
am.activityIdle(a.token, a.createdConfig);
a.createdConfig = null;
} catch (RemoteException ex) {
}
}
prev = a;
a = a.nextIdle;
prev.nextIdle = null;
} while (a != null);
}
ensureJitEnabled();
return false;
}
}
final class GcIdler implements MessageQueue.IdleHandler {
public final boolean queueIdle() {
doGcIfNeeded();
return false;
}
}
private final static class ResourcesKey {
final private String mResDir;
final private float mScale;
final private int mHash;
ResourcesKey(String resDir, float scale) {
mResDir = resDir;
mScale = scale;
mHash = mResDir.hashCode() << 2 + (int) (mScale * 2);
}
@Override
public int hashCode() {
return mHash;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof ResourcesKey)) {
return false;
}
ResourcesKey peer = (ResourcesKey) obj;
return mResDir.equals(peer.mResDir) && mScale == peer.mScale;
}
}
public static final ActivityThread currentActivityThread() {
return sThreadLocal.get();
}
public static final String currentPackageName() {
ActivityThread am = currentActivityThread();
return (am != null && am.mBoundApplication != null)
? am.mBoundApplication.processName : null;
}
public static final Application currentApplication() {
ActivityThread am = currentActivityThread();
return am != null ? am.mInitialApplication : null;
}
public static IPackageManager getPackageManager() {
if (sPackageManager != null) {
//Slog.v("PackageManager", "returning cur default = " + sPackageManager);
return sPackageManager;
}
IBinder b = ServiceManager.getService("package");
//Slog.v("PackageManager", "default service binder = " + b);
sPackageManager = IPackageManager.Stub.asInterface(b);
//Slog.v("PackageManager", "default service = " + sPackageManager);
return sPackageManager;
}
DisplayMetrics getDisplayMetricsLocked(boolean forceUpdate) {
if (mDisplayMetrics != null && !forceUpdate) {
return mDisplayMetrics;
}
if (mDisplay == null) {
WindowManager wm = WindowManagerImpl.getDefault();
mDisplay = wm.getDefaultDisplay();
}
DisplayMetrics metrics = mDisplayMetrics = new DisplayMetrics();
mDisplay.getMetrics(metrics);
//Slog.i("foo", "New metrics: w=" + metrics.widthPixels + " h="
// + metrics.heightPixels + " den=" + metrics.density
// + " xdpi=" + metrics.xdpi + " ydpi=" + metrics.ydpi);
return metrics;
}
/**
* Creates the top level Resources for applications with the given compatibility info.
*
* @param resDir the resource directory.
* @param compInfo the compability info. It will use the default compatibility info when it's
* null.
*/
Resources getTopLevelResources(String resDir, CompatibilityInfo compInfo) {
ResourcesKey key = new ResourcesKey(resDir, compInfo.applicationScale);
Resources r;
synchronized (mPackages) {
// Resources is app scale dependent.
if (false) {
Slog.w(TAG, "getTopLevelResources: " + resDir + " / "
+ compInfo.applicationScale);
}
WeakReference wr = mActiveResources.get(key);
r = wr != null ? wr.get() : null;
//if (r != null) Slog.i(TAG, "isUpToDate " + resDir + ": " + r.getAssets().isUpToDate());
if (r != null && r.getAssets().isUpToDate()) {
if (false) {
Slog.w(TAG, "Returning cached resources " + r + " " + resDir
+ ": appScale=" + r.getCompatibilityInfo().applicationScale);
}
return r;
}
}
//if (r != null) {
// Slog.w(TAG, "Throwing away out-of-date resources!!!! "
// + r + " " + resDir);
//}
AssetManager assets = new AssetManager();
if (assets.addAssetPath(resDir) == 0) {
return null;
}
//Slog.i(TAG, "Resource: key=" + key + ", display metrics=" + metrics);
DisplayMetrics metrics = getDisplayMetricsLocked(false);
r = new Resources(assets, metrics, getConfiguration(), compInfo);
if (false) {
Slog.i(TAG, "Created app resources " + resDir + " " + r + ": "
+ r.getConfiguration() + " appScale="
+ r.getCompatibilityInfo().applicationScale);
}
synchronized (mPackages) {
WeakReference wr = mActiveResources.get(key);
Resources existing = wr != null ? wr.get() : null;
if (existing != null && existing.getAssets().isUpToDate()) {
// Someone else already created the resources while we were
// unlocked; go ahead and use theirs.
r.getAssets().close();
return existing;
}
// XXX need to remove entries when weak references go away
mActiveResources.put(key, new WeakReference(r));
return r;
}
}
/**
* Creates the top level resources for the given package.
*/
Resources getTopLevelResources(String resDir, LoadedApk pkgInfo) {
return getTopLevelResources(resDir, pkgInfo.mCompatibilityInfo);
}
final Handler getHandler() {
return mH;
}
public final LoadedApk getPackageInfo(String packageName, int flags) {
synchronized (mPackages) {
WeakReference ref;
if ((flags&Context.CONTEXT_INCLUDE_CODE) != 0) {
ref = mPackages.get(packageName);
} else {
ref = mResourcePackages.get(packageName);
}
LoadedApk packageInfo = ref != null ? ref.get() : null;
//Slog.i(TAG, "getPackageInfo " + packageName + ": " + packageInfo);
//if (packageInfo != null) Slog.i(TAG, "isUptoDate " + packageInfo.mResDir
// + ": " + packageInfo.mResources.getAssets().isUpToDate());
if (packageInfo != null && (packageInfo.mResources == null
|| packageInfo.mResources.getAssets().isUpToDate())) {
if (packageInfo.isSecurityViolation()
&& (flags&Context.CONTEXT_IGNORE_SECURITY) == 0) {
throw new SecurityException(
"Requesting code from " + packageName
+ " to be run in process "
+ mBoundApplication.processName
+ "/" + mBoundApplication.appInfo.uid);
}
return packageInfo;
}
}
ApplicationInfo ai = null;
try {
ai = getPackageManager().getApplicationInfo(packageName,
PackageManager.GET_SHARED_LIBRARY_FILES);
} catch (RemoteException e) {
}
if (ai != null) {
return getPackageInfo(ai, flags);
}
return null;
}
public final LoadedApk getPackageInfo(ApplicationInfo ai, int flags) {
boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0;
boolean securityViolation = includeCode && ai.uid != 0
&& ai.uid != Process.SYSTEM_UID && (mBoundApplication != null
? ai.uid != mBoundApplication.appInfo.uid : true);
if ((flags&(Context.CONTEXT_INCLUDE_CODE
|Context.CONTEXT_IGNORE_SECURITY))
== Context.CONTEXT_INCLUDE_CODE) {
if (securityViolation) {
String msg = "Requesting code from " + ai.packageName
+ " (with uid " + ai.uid + ")";
if (mBoundApplication != null) {
msg = msg + " to be run in process "
+ mBoundApplication.processName + " (with uid "
+ mBoundApplication.appInfo.uid + ")";
}
throw new SecurityException(msg);
}
}
return getPackageInfo(ai, null, securityViolation, includeCode);
}
public final LoadedApk getPackageInfoNoCheck(ApplicationInfo ai) {
return getPackageInfo(ai, null, false, true);
}
private final LoadedApk getPackageInfo(ApplicationInfo aInfo,
ClassLoader baseLoader, boolean securityViolation, boolean includeCode) {
synchronized (mPackages) {
WeakReference ref;
if (includeCode) {
ref = mPackages.get(aInfo.packageName);
} else {
ref = mResourcePackages.get(aInfo.packageName);
}
LoadedApk packageInfo = ref != null ? ref.get() : null;
if (packageInfo == null || (packageInfo.mResources != null
&& !packageInfo.mResources.getAssets().isUpToDate())) {
if (localLOGV) Slog.v(TAG, (includeCode ? "Loading code package "
: "Loading resource-only package ") + aInfo.packageName
+ " (in " + (mBoundApplication != null
? mBoundApplication.processName : null)
+ ")");
packageInfo =
new LoadedApk(this, aInfo, this, baseLoader,
securityViolation, includeCode &&
(aInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0);
if (includeCode) {
mPackages.put(aInfo.packageName,
new WeakReference(packageInfo));
} else {
mResourcePackages.put(aInfo.packageName,
new WeakReference(packageInfo));
}
}
return packageInfo;
}
}
ActivityThread() {
}
public ApplicationThread getApplicationThread()
{
return mAppThread;
}
public Instrumentation getInstrumentation()
{
return mInstrumentation;
}
public Configuration getConfiguration() {
return mConfiguration;
}
public boolean isProfiling() {
return mBoundApplication != null && mBoundApplication.profileFile != null;
}
public String getProfileFilePath() {
return mBoundApplication.profileFile;
}
public Looper getLooper() {
return mLooper;
}
public Application getApplication() {
return mInitialApplication;
}
public String getProcessName() {
return mBoundApplication.processName;
}
public ContextImpl getSystemContext() {
synchronized (this) {
if (mSystemContext == null) {
ContextImpl context =
ContextImpl.createSystemContext(this);
LoadedApk info = new LoadedApk(this, "android", context, null);
context.init(info, null, this);
context.getResources().updateConfiguration(
getConfiguration(), getDisplayMetricsLocked(false));
mSystemContext = context;
//Slog.i(TAG, "Created system resources " + context.getResources()
// + ": " + context.getResources().getConfiguration());
}
}
return mSystemContext;
}
public void installSystemApplicationInfo(ApplicationInfo info) {
synchronized (this) {
ContextImpl context = getSystemContext();
context.init(new LoadedApk(this, "android", context, info), null, this);
}
}
void ensureJitEnabled() {
if (!mJitEnabled) {
mJitEnabled = true;
dalvik.system.VMRuntime.getRuntime().startJitCompilation();
}
}
void scheduleGcIdler() {
if (!mGcIdlerScheduled) {
mGcIdlerScheduled = true;
Looper.myQueue().addIdleHandler(mGcIdler);
}
mH.removeMessages(H.GC_WHEN_IDLE);
}
void unscheduleGcIdler() {
if (mGcIdlerScheduled) {
mGcIdlerScheduled = false;
Looper.myQueue().removeIdleHandler(mGcIdler);
}
mH.removeMessages(H.GC_WHEN_IDLE);
}
void doGcIfNeeded() {
mGcIdlerScheduled = false;
final long now = SystemClock.uptimeMillis();
//Slog.i(TAG, "**** WE MIGHT WANT TO GC: then=" + Binder.getLastGcTime()
// + "m now=" + now);
if ((BinderInternal.getLastGcTime()+MIN_TIME_BETWEEN_GCS) < now) {
//Slog.i(TAG, "**** WE DO, WE DO WANT TO GC!");
BinderInternal.forceGc("bg");
}
}
public final ActivityInfo resolveActivityInfo(Intent intent) {
ActivityInfo aInfo = intent.resolveActivityInfo(
mInitialApplication.getPackageManager(), PackageManager.GET_SHARED_LIBRARY_FILES);
if (aInfo == null) {
// Throw an exception.
Instrumentation.checkStartActivityResult(
IActivityManager.START_CLASS_NOT_FOUND, intent);
}
return aInfo;
}
public final Activity startActivityNow(Activity parent, String id,
Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state,
Object lastNonConfigurationInstance) {
ActivityClientRecord r = new ActivityClientRecord();
r.token = token;
r.ident = 0;
r.intent = intent;
r.state = state;
r.parent = parent;
r.embeddedID = id;
r.activityInfo = activityInfo;
r.lastNonConfigurationInstance = lastNonConfigurationInstance;
if (localLOGV) {
ComponentName compname = intent.getComponent();
String name;
if (compname != null) {
name = compname.toShortString();
} else {
name = "(Intent " + intent + ").getComponent() returned null";
}
Slog.v(TAG, "Performing launch: action=" + intent.getAction()
+ ", comp=" + name
+ ", token=" + token);
}
return performLaunchActivity(r, null);
}
public final Activity getActivity(IBinder token) {
return mActivities.get(token).activity;
}
public final void sendActivityResult(
IBinder token, String id, int requestCode,
int resultCode, Intent data) {
if (DEBUG_RESULTS) Slog.v(TAG, "sendActivityResult: id=" + id
+ " req=" + requestCode + " res=" + resultCode + " data=" + data);
ArrayList list = new ArrayList();
list.add(new ResultInfo(id, requestCode, resultCode, data));
mAppThread.scheduleSendResult(token, list);
}
// if the thread hasn't started yet, we don't have the handler, so just
// save the messages until we're ready.
private final void queueOrSendMessage(int what, Object obj) {
queueOrSendMessage(what, obj, 0, 0);
}
private final void queueOrSendMessage(int what, Object obj, int arg1) {
queueOrSendMessage(what, obj, arg1, 0);
}
private final void queueOrSendMessage(int what, Object obj, int arg1, int arg2) {
synchronized (this) {
if (DEBUG_MESSAGES) Slog.v(
TAG, "SCHEDULE " + what + " " + mH.codeToString(what)
+ ": " + arg1 + " / " + obj);
Message msg = Message.obtain();
msg.what = what;
msg.obj = obj;
msg.arg1 = arg1;
msg.arg2 = arg2;
mH.sendMessage(msg);
}
}
final void scheduleContextCleanup(ContextImpl context, String who,
String what) {
ContextCleanupInfo cci = new ContextCleanupInfo();
cci.context = context;
cci.who = who;
cci.what = what;
queueOrSendMessage(H.CLEAN_UP_CONTEXT, cci);
}
private final Activity performLaunchActivity(ActivityClientRecord r, Intent customIntent) {
// System.out.println("##### [" + System.currentTimeMillis() + "] ActivityThread.performLaunchActivity(" + r + ")");
ActivityInfo aInfo = r.activityInfo;
if (r.packageInfo == null) {
r.packageInfo = getPackageInfo(aInfo.applicationInfo,
Context.CONTEXT_INCLUDE_CODE);
}
ComponentName component = r.intent.getComponent();
if (component == null) {
component = r.intent.resolveActivity(
mInitialApplication.getPackageManager());
r.intent.setComponent(component);
}
if (r.activityInfo.targetActivity != null) {
component = new ComponentName(r.activityInfo.packageName,
r.activityInfo.targetActivity);
}
Activity activity = null;
try {
java.lang.ClassLoader cl = r.packageInfo.getClassLoader();
activity = mInstrumentation.newActivity(
cl, component.getClassName(), r.intent);
r.intent.setExtrasClassLoader(cl);
if (r.state != null) {
r.state.setClassLoader(cl);
}
} catch (Exception e) {
if (!mInstrumentation.onException(activity, e)) {
throw new RuntimeException(
"Unable to instantiate activity " + component
+ ": " + e.toString(), e);
}
}
try {
Application app = r.packageInfo.makeApplication(false, mInstrumentation);
if (localLOGV) Slog.v(TAG, "Performing launch of " + r);
if (localLOGV) Slog.v(
TAG, r + ": app=" + app
+ ", appName=" + app.getPackageName()
+ ", pkg=" + r.packageInfo.getPackageName()
+ ", comp=" + r.intent.getComponent().toShortString()
+ ", dir=" + r.packageInfo.getAppDir());
if (activity != null) {
ContextImpl appContext = new ContextImpl();
appContext.init(r.packageInfo, r.token, this);
appContext.setOuterContext(activity);
CharSequence title = r.activityInfo.loadLabel(appContext.getPackageManager());
Configuration config = new Configuration(mConfiguration);
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Launching activity "
+ r.activityInfo.name + " with config " + config);
activity.attach(appContext, this, getInstrumentation(), r.token,
r.ident, app, r.intent, r.activityInfo, title, r.parent,
r.embeddedID, r.lastNonConfigurationInstance,
r.lastNonConfigurationChildInstances, config);
if (customIntent != null) {
activity.mIntent = customIntent;
}
r.lastNonConfigurationInstance = null;
r.lastNonConfigurationChildInstances = null;
activity.mStartedActivity = false;
int theme = r.activityInfo.getThemeResource();
if (theme != 0) {
activity.setTheme(theme);
}
activity.mCalled = false;
mInstrumentation.callActivityOnCreate(activity, r.state);
if (!activity.mCalled) {
throw new SuperNotCalledException(
"Activity " + r.intent.getComponent().toShortString() +
" did not call through to super.onCreate()");
}
r.activity = activity;
r.stopped = true;
if (!r.activity.mFinished) {
activity.performStart();
r.stopped = false;
}
if (!r.activity.mFinished) {
if (r.state != null) {
mInstrumentation.callActivityOnRestoreInstanceState(activity, r.state);
}
}
if (!r.activity.mFinished) {
activity.mCalled = false;
mInstrumentation.callActivityOnPostCreate(activity, r.state);
if (!activity.mCalled) {
throw new SuperNotCalledException(
"Activity " + r.intent.getComponent().toShortString() +
" did not call through to super.onPostCreate()");
}
}
}
r.paused = true;
mActivities.put(r.token, r);
} catch (SuperNotCalledException e) {
throw e;
} catch (Exception e) {
if (!mInstrumentation.onException(activity, e)) {
throw new RuntimeException(
"Unable to start activity " + component
+ ": " + e.toString(), e);
}
}
return activity;
}
private final void handleLaunchActivity(ActivityClientRecord r, Intent customIntent) {
// If we are getting ready to gc after going to the background, well
// we are back active so skip it.
unscheduleGcIdler();
if (localLOGV) Slog.v(
TAG, "Handling launch of " + r);
Activity a = performLaunchActivity(r, customIntent);
if (a != null) {
r.createdConfig = new Configuration(mConfiguration);
Bundle oldState = r.state;
handleResumeActivity(r.token, false, r.isForward);
if (!r.activity.mFinished && r.startsNotResumed) {
// The activity manager actually wants this one to start out
// paused, because it needs to be visible but isn't in the
// foreground. We accomplish this by going through the
// normal startup (because activities expect to go through
// onResume() the first time they run, before their window
// is displayed), and then pausing it. However, in this case
// we do -not- need to do the full pause cycle (of freezing
// and such) because the activity manager assumes it can just
// retain the current state it has.
try {
r.activity.mCalled = false;
mInstrumentation.callActivityOnPause(r.activity);
// We need to keep around the original state, in case
// we need to be created again.
r.state = oldState;
if (!r.activity.mCalled) {
throw new SuperNotCalledException(
"Activity " + r.intent.getComponent().toShortString() +
" did not call through to super.onPause()");
}
} catch (SuperNotCalledException e) {
throw e;
} catch (Exception e) {
if (!mInstrumentation.onException(r.activity, e)) {
throw new RuntimeException(
"Unable to pause activity "
+ r.intent.getComponent().toShortString()
+ ": " + e.toString(), e);
}
}
r.paused = true;
}
} else {
// If there was an error, for any reason, tell the activity
// manager to stop us.
try {
ActivityManagerNative.getDefault()
.finishActivity(r.token, Activity.RESULT_CANCELED, null);
} catch (RemoteException ex) {
}
}
}
private final void deliverNewIntents(ActivityClientRecord r,
List intents) {
final int N = intents.size();
for (int i=0; i intents) {
ActivityClientRecord r = mActivities.get(token);
if (r != null) {
final boolean resumed = !r.paused;
if (resumed) {
mInstrumentation.callActivityOnPause(r.activity);
}
deliverNewIntents(r, intents);
if (resumed) {
mInstrumentation.callActivityOnResume(r.activity);
}
}
}
private final void handleNewIntent(NewIntentData data) {
performNewIntents(data.token, data.intents);
}
private final void handleReceiver(ReceiverData data) {
// If we are getting ready to gc after going to the background, well
// we are back active so skip it.
unscheduleGcIdler();
String component = data.intent.getComponent().getClassName();
LoadedApk packageInfo = getPackageInfoNoCheck(
data.info.applicationInfo);
IActivityManager mgr = ActivityManagerNative.getDefault();
BroadcastReceiver receiver = null;
try {
java.lang.ClassLoader cl = packageInfo.getClassLoader();
data.intent.setExtrasClassLoader(cl);
if (data.resultExtras != null) {
data.resultExtras.setClassLoader(cl);
}
receiver = (BroadcastReceiver)cl.loadClass(component).newInstance();
} catch (Exception e) {
try {
if (DEBUG_BROADCAST) Slog.i(TAG,
"Finishing failed broadcast to " + data.intent.getComponent());
mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
data.resultData, data.resultExtras, data.resultAbort);
} catch (RemoteException ex) {
}
throw new RuntimeException(
"Unable to instantiate receiver " + component
+ ": " + e.toString(), e);
}
try {
Application app = packageInfo.makeApplication(false, mInstrumentation);
if (localLOGV) Slog.v(
TAG, "Performing receive of " + data.intent
+ ": app=" + app
+ ", appName=" + app.getPackageName()
+ ", pkg=" + packageInfo.getPackageName()
+ ", comp=" + data.intent.getComponent().toShortString()
+ ", dir=" + packageInfo.getAppDir());
ContextImpl context = (ContextImpl)app.getBaseContext();
receiver.setOrderedHint(true);
receiver.setResult(data.resultCode, data.resultData,
data.resultExtras);
receiver.setOrderedHint(data.sync);
receiver.onReceive(context.getReceiverRestrictedContext(),
data.intent);
} catch (Exception e) {
try {
if (DEBUG_BROADCAST) Slog.i(TAG,
"Finishing failed broadcast to " + data.intent.getComponent());
mgr.finishReceiver(mAppThread.asBinder(), data.resultCode,
data.resultData, data.resultExtras, data.resultAbort);
} catch (RemoteException ex) {
}
if (!mInstrumentation.onException(receiver, e)) {
throw new RuntimeException(
"Unable to start receiver " + component
+ ": " + e.toString(), e);
}
}
QueuedWork.waitToFinish();
try {
if (data.sync) {
if (DEBUG_BROADCAST) Slog.i(TAG,
"Finishing ordered broadcast to " + data.intent.getComponent());
mgr.finishReceiver(
mAppThread.asBinder(), receiver.getResultCode(),
receiver.getResultData(), receiver.getResultExtras(false),
receiver.getAbortBroadcast());
} else {
if (DEBUG_BROADCAST) Slog.i(TAG,
"Finishing broadcast to " + data.intent.getComponent());
mgr.finishReceiver(mAppThread.asBinder(), 0, null, null, false);
}
} catch (RemoteException ex) {
}
}
// Instantiate a BackupAgent and tell it that it's alive
private final void handleCreateBackupAgent(CreateBackupAgentData data) {
if (DEBUG_BACKUP) Slog.v(TAG, "handleCreateBackupAgent: " + data);
// no longer idle; we have backup work to do
unscheduleGcIdler();
// instantiate the BackupAgent class named in the manifest
LoadedApk packageInfo = getPackageInfoNoCheck(data.appInfo);
String packageName = packageInfo.mPackageName;
if (mBackupAgents.get(packageName) != null) {
Slog.d(TAG, "BackupAgent " + " for " + packageName
+ " already exists");
return;
}
BackupAgent agent = null;
String classname = data.appInfo.backupAgentName;
if (classname == null) {
if (data.backupMode == IApplicationThread.BACKUP_MODE_INCREMENTAL) {
Slog.e(TAG, "Attempted incremental backup but no defined agent for "
+ packageName);
return;
}
classname = "android.app.FullBackupAgent";
}
try {
IBinder binder = null;
try {
java.lang.ClassLoader cl = packageInfo.getClassLoader();
agent = (BackupAgent) cl.loadClass(data.appInfo.backupAgentName).newInstance();
// set up the agent's context
if (DEBUG_BACKUP) Slog.v(TAG, "Initializing BackupAgent "
+ data.appInfo.backupAgentName);
ContextImpl context = new ContextImpl();
context.init(packageInfo, null, this);
context.setOuterContext(agent);
agent.attach(context);
agent.onCreate();
binder = agent.onBind();
mBackupAgents.put(packageName, agent);
} catch (Exception e) {
// If this is during restore, fail silently; otherwise go
// ahead and let the user see the crash.
Slog.e(TAG, "Agent threw during creation: " + e);
if (data.backupMode != IApplicationThread.BACKUP_MODE_RESTORE) {
throw e;
}
// falling through with 'binder' still null
}
// tell the OS that we're live now
try {
ActivityManagerNative.getDefault().backupAgentCreated(packageName, binder);
} catch (RemoteException e) {
// nothing to do.
}
} catch (Exception e) {
throw new RuntimeException("Unable to create BackupAgent "
+ data.appInfo.backupAgentName + ": " + e.toString(), e);
}
}
// Tear down a BackupAgent
private final void handleDestroyBackupAgent(CreateBackupAgentData data) {
if (DEBUG_BACKUP) Slog.v(TAG, "handleDestroyBackupAgent: " + data);
LoadedApk packageInfo = getPackageInfoNoCheck(data.appInfo);
String packageName = packageInfo.mPackageName;
BackupAgent agent = mBackupAgents.get(packageName);
if (agent != null) {
try {
agent.onDestroy();
} catch (Exception e) {
Slog.w(TAG, "Exception thrown in onDestroy by backup agent of " + data.appInfo);
e.printStackTrace();
}
mBackupAgents.remove(packageName);
} else {
Slog.w(TAG, "Attempt to destroy unknown backup agent " + data);
}
}
private final void handleCreateService(CreateServiceData data) {
// If we are getting ready to gc after going to the background, well
// we are back active so skip it.
unscheduleGcIdler();
LoadedApk packageInfo = getPackageInfoNoCheck(
data.info.applicationInfo);
Service service = null;
try {
java.lang.ClassLoader cl = packageInfo.getClassLoader();
service = (Service) cl.loadClass(data.info.name).newInstance();
} catch (Exception e) {
if (!mInstrumentation.onException(service, e)) {
throw new RuntimeException(
"Unable to instantiate service " + data.info.name
+ ": " + e.toString(), e);
}
}
try {
if (localLOGV) Slog.v(TAG, "Creating service " + data.info.name);
ContextImpl context = new ContextImpl();
context.init(packageInfo, null, this);
Application app = packageInfo.makeApplication(false, mInstrumentation);
context.setOuterContext(service);
service.attach(context, this, data.info.name, data.token, app,
ActivityManagerNative.getDefault());
service.onCreate();
mServices.put(data.token, service);
try {
ActivityManagerNative.getDefault().serviceDoneExecuting(
data.token, 0, 0, 0);
} catch (RemoteException e) {
// nothing to do.
}
} catch (Exception e) {
if (!mInstrumentation.onException(service, e)) {
throw new RuntimeException(
"Unable to create service " + data.info.name
+ ": " + e.toString(), e);
}
}
}
private final void handleBindService(BindServiceData data) {
Service s = mServices.get(data.token);
if (s != null) {
try {
data.intent.setExtrasClassLoader(s.getClassLoader());
try {
if (!data.rebind) {
IBinder binder = s.onBind(data.intent);
ActivityManagerNative.getDefault().publishService(
data.token, data.intent, binder);
} else {
s.onRebind(data.intent);
ActivityManagerNative.getDefault().serviceDoneExecuting(
data.token, 0, 0, 0);
}
ensureJitEnabled();
} catch (RemoteException ex) {
}
} catch (Exception e) {
if (!mInstrumentation.onException(s, e)) {
throw new RuntimeException(
"Unable to bind to service " + s
+ " with " + data.intent + ": " + e.toString(), e);
}
}
}
}
private final void handleUnbindService(BindServiceData data) {
Service s = mServices.get(data.token);
if (s != null) {
try {
data.intent.setExtrasClassLoader(s.getClassLoader());
boolean doRebind = s.onUnbind(data.intent);
try {
if (doRebind) {
ActivityManagerNative.getDefault().unbindFinished(
data.token, data.intent, doRebind);
} else {
ActivityManagerNative.getDefault().serviceDoneExecuting(
data.token, 0, 0, 0);
}
} catch (RemoteException ex) {
}
} catch (Exception e) {
if (!mInstrumentation.onException(s, e)) {
throw new RuntimeException(
"Unable to unbind to service " + s
+ " with " + data.intent + ": " + e.toString(), e);
}
}
}
}
private void handleDumpService(DumpServiceInfo info) {
try {
Service s = mServices.get(info.service);
if (s != null) {
PrintWriter pw = new PrintWriter(new FileOutputStream(info.fd));
s.dump(info.fd, pw, info.args);
pw.close();
}
} finally {
synchronized (info) {
info.dumped = true;
info.notifyAll();
}
}
}
private final void handleServiceArgs(ServiceArgsData data) {
Service s = mServices.get(data.token);
if (s != null) {
try {
if (data.args != null) {
data.args.setExtrasClassLoader(s.getClassLoader());
}
int res = s.onStartCommand(data.args, data.flags, data.startId);
QueuedWork.waitToFinish();
try {
ActivityManagerNative.getDefault().serviceDoneExecuting(
data.token, 1, data.startId, res);
} catch (RemoteException e) {
// nothing to do.
}
ensureJitEnabled();
} catch (Exception e) {
if (!mInstrumentation.onException(s, e)) {
throw new RuntimeException(
"Unable to start service " + s
+ " with " + data.args + ": " + e.toString(), e);
}
}
}
}
private final void handleStopService(IBinder token) {
Service s = mServices.remove(token);
if (s != null) {
try {
if (localLOGV) Slog.v(TAG, "Destroying service " + s);
s.onDestroy();
Context context = s.getBaseContext();
if (context instanceof ContextImpl) {
final String who = s.getClassName();
((ContextImpl) context).scheduleFinalCleanup(who, "Service");
}
QueuedWork.waitToFinish();
try {
ActivityManagerNative.getDefault().serviceDoneExecuting(
token, 0, 0, 0);
} catch (RemoteException e) {
// nothing to do.
}
} catch (Exception e) {
if (!mInstrumentation.onException(s, e)) {
throw new RuntimeException(
"Unable to stop service " + s
+ ": " + e.toString(), e);
}
}
}
//Slog.i(TAG, "Running services: " + mServices);
}
public final ActivityClientRecord performResumeActivity(IBinder token,
boolean clearHide) {
ActivityClientRecord r = mActivities.get(token);
if (localLOGV) Slog.v(TAG, "Performing resume of " + r
+ " finished=" + r.activity.mFinished);
if (r != null && !r.activity.mFinished) {
if (clearHide) {
r.hideForNow = false;
r.activity.mStartedActivity = false;
}
try {
if (r.pendingIntents != null) {
deliverNewIntents(r, r.pendingIntents);
r.pendingIntents = null;
}
if (r.pendingResults != null) {
deliverResults(r, r.pendingResults);
r.pendingResults = null;
}
r.activity.performResume();
EventLog.writeEvent(LOG_ON_RESUME_CALLED,
r.activity.getComponentName().getClassName());
r.paused = false;
r.stopped = false;
r.state = null;
} catch (Exception e) {
if (!mInstrumentation.onException(r.activity, e)) {
throw new RuntimeException(
"Unable to resume activity "
+ r.intent.getComponent().toShortString()
+ ": " + e.toString(), e);
}
}
}
return r;
}
final void handleResumeActivity(IBinder token, boolean clearHide, boolean isForward) {
// If we are getting ready to gc after going to the background, well
// we are back active so skip it.
unscheduleGcIdler();
ActivityClientRecord r = performResumeActivity(token, clearHide);
if (r != null) {
final Activity a = r.activity;
if (localLOGV) Slog.v(
TAG, "Resume " + r + " started activity: " +
a.mStartedActivity + ", hideForNow: " + r.hideForNow
+ ", finished: " + a.mFinished);
final int forwardBit = isForward ?
WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION : 0;
// If the window hasn't yet been added to the window manager,
// and this guy didn't finish itself or start another activity,
// then go ahead and add the window.
boolean willBeVisible = !a.mStartedActivity;
if (!willBeVisible) {
try {
willBeVisible = ActivityManagerNative.getDefault().willActivityBeVisible(
a.getActivityToken());
} catch (RemoteException e) {
}
}
if (r.window == null && !a.mFinished && willBeVisible) {
r.window = r.activity.getWindow();
View decor = r.window.getDecorView();
decor.setVisibility(View.INVISIBLE);
ViewManager wm = a.getWindowManager();
WindowManager.LayoutParams l = r.window.getAttributes();
a.mDecor = decor;
l.type = WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
l.softInputMode |= forwardBit;
if (a.mVisibleFromClient) {
a.mWindowAdded = true;
wm.addView(decor, l);
}
// If the window has already been added, but during resume
// we started another activity, then don't yet make the
// window visible.
} else if (!willBeVisible) {
if (localLOGV) Slog.v(
TAG, "Launch " + r + " mStartedActivity set");
r.hideForNow = true;
}
// The window is now visible if it has been added, we are not
// simply finishing, and we are not starting another activity.
if (!r.activity.mFinished && willBeVisible
&& r.activity.mDecor != null && !r.hideForNow) {
if (r.newConfig != null) {
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Resuming activity "
+ r.activityInfo.name + " with newConfig " + r.newConfig);
performConfigurationChanged(r.activity, r.newConfig);
r.newConfig = null;
}
if (localLOGV) Slog.v(TAG, "Resuming " + r + " with isForward="
+ isForward);
WindowManager.LayoutParams l = r.window.getAttributes();
if ((l.softInputMode
& WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION)
!= forwardBit) {
l.softInputMode = (l.softInputMode
& (~WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION))
| forwardBit;
if (r.activity.mVisibleFromClient) {
ViewManager wm = a.getWindowManager();
View decor = r.window.getDecorView();
wm.updateViewLayout(decor, l);
}
}
r.activity.mVisibleFromServer = true;
mNumVisibleActivities++;
if (r.activity.mVisibleFromClient) {
r.activity.makeVisible();
}
}
r.nextIdle = mNewActivities;
mNewActivities = r;
if (localLOGV) Slog.v(
TAG, "Scheduling idle handler for " + r);
Looper.myQueue().addIdleHandler(new Idler());
} else {
// If an exception was thrown when trying to resume, then
// just end this activity.
try {
ActivityManagerNative.getDefault()
.finishActivity(token, Activity.RESULT_CANCELED, null);
} catch (RemoteException ex) {
}
}
}
private int mThumbnailWidth = -1;
private int mThumbnailHeight = -1;
private final Bitmap createThumbnailBitmap(ActivityClientRecord r) {
Bitmap thumbnail = null;
try {
int w = mThumbnailWidth;
int h;
if (w < 0) {
Resources res = r.activity.getResources();
mThumbnailHeight = h =
res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
mThumbnailWidth = w =
res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
} else {
h = mThumbnailHeight;
}
// On platforms where we don't want thumbnails, set dims to (0,0)
if ((w > 0) && (h > 0)) {
View topView = r.activity.getWindow().getDecorView();
// Maximize bitmap by capturing in native aspect.
if (topView.getWidth() >= topView.getHeight()) {
thumbnail = Bitmap.createBitmap(w, h, THUMBNAIL_FORMAT);
} else {
thumbnail = Bitmap.createBitmap(h, w, THUMBNAIL_FORMAT);
}
thumbnail.eraseColor(0);
Canvas cv = new Canvas(thumbnail);
if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
thumbnail = null;
}
}
} catch (Exception e) {
if (!mInstrumentation.onException(r.activity, e)) {
throw new RuntimeException(
"Unable to create thumbnail of "
+ r.intent.getComponent().toShortString()
+ ": " + e.toString(), e);
}
thumbnail = null;
}
return thumbnail;
}
private final void handlePauseActivity(IBinder token, boolean finished,
boolean userLeaving, int configChanges) {
ActivityClientRecord r = mActivities.get(token);
if (r != null) {
//Slog.v(TAG, "userLeaving=" + userLeaving + " handling pause of " + r);
if (userLeaving) {
performUserLeavingActivity(r);
}
r.activity.mConfigChangeFlags |= configChanges;
Bundle state = performPauseActivity(token, finished, true);
// Make sure any pending writes are now committed.
QueuedWork.waitToFinish();
// Tell the activity manager we have paused.
try {
ActivityManagerNative.getDefault().activityPaused(token, state);
} catch (RemoteException ex) {
}
}
}
final void performUserLeavingActivity(ActivityClientRecord r) {
mInstrumentation.callActivityOnUserLeaving(r.activity);
}
final Bundle performPauseActivity(IBinder token, boolean finished,
boolean saveState) {
ActivityClientRecord r = mActivities.get(token);
return r != null ? performPauseActivity(r, finished, saveState) : null;
}
final Bundle performPauseActivity(ActivityClientRecord r, boolean finished,
boolean saveState) {
if (r.paused) {
if (r.activity.mFinished) {
// If we are finishing, we won't call onResume() in certain cases.
// So here we likewise don't want to call onPause() if the activity
// isn't resumed.
return null;
}
RuntimeException e = new RuntimeException(
"Performing pause of activity that is not resumed: "
+ r.intent.getComponent().toShortString());
Slog.e(TAG, e.getMessage(), e);
}
Bundle state = null;
if (finished) {
r.activity.mFinished = true;
}
try {
// Next have the activity save its current state and managed dialogs...
if (!r.activity.mFinished && saveState) {
state = new Bundle();
mInstrumentation.callActivityOnSaveInstanceState(r.activity, state);
r.state = state;
}
// Now we are idle.
r.activity.mCalled = false;
mInstrumentation.callActivityOnPause(r.activity);
EventLog.writeEvent(LOG_ON_PAUSE_CALLED, r.activity.getComponentName().getClassName());
if (!r.activity.mCalled) {
throw new SuperNotCalledException(
"Activity " + r.intent.getComponent().toShortString() +
" did not call through to super.onPause()");
}
} catch (SuperNotCalledException e) {
throw e;
} catch (Exception e) {
if (!mInstrumentation.onException(r.activity, e)) {
throw new RuntimeException(
"Unable to pause activity "
+ r.intent.getComponent().toShortString()
+ ": " + e.toString(), e);
}
}
r.paused = true;
return state;
}
final void performStopActivity(IBinder token) {
ActivityClientRecord r = mActivities.get(token);
performStopActivityInner(r, null, false);
}
private static class StopInfo {
Bitmap thumbnail;
CharSequence description;
}
private final class ProviderRefCount {
public int count;
ProviderRefCount(int pCount) {
count = pCount;
}
}
private final void performStopActivityInner(ActivityClientRecord r,
StopInfo info, boolean keepShown) {
if (localLOGV) Slog.v(TAG, "Performing stop of " + r);
if (r != null) {
if (!keepShown && r.stopped) {
if (r.activity.mFinished) {
// If we are finishing, we won't call onResume() in certain
// cases. So here we likewise don't want to call onStop()
// if the activity isn't resumed.
return;
}
RuntimeException e = new RuntimeException(
"Performing stop of activity that is not resumed: "
+ r.intent.getComponent().toShortString());
Slog.e(TAG, e.getMessage(), e);
}
if (info != null) {
try {
// First create a thumbnail for the activity...
info.thumbnail = createThumbnailBitmap(r);
info.description = r.activity.onCreateDescription();
} catch (Exception e) {
if (!mInstrumentation.onException(r.activity, e)) {
throw new RuntimeException(
"Unable to save state of activity "
+ r.intent.getComponent().toShortString()
+ ": " + e.toString(), e);
}
}
}
if (!keepShown) {
try {
// Now we are idle.
r.activity.performStop();
} catch (Exception e) {
if (!mInstrumentation.onException(r.activity, e)) {
throw new RuntimeException(
"Unable to stop activity "
+ r.intent.getComponent().toShortString()
+ ": " + e.toString(), e);
}
}
r.stopped = true;
}
r.paused = true;
}
}
private final void updateVisibility(ActivityClientRecord r, boolean show) {
View v = r.activity.mDecor;
if (v != null) {
if (show) {
if (!r.activity.mVisibleFromServer) {
r.activity.mVisibleFromServer = true;
mNumVisibleActivities++;
if (r.activity.mVisibleFromClient) {
r.activity.makeVisible();
}
}
if (r.newConfig != null) {
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Updating activity vis "
+ r.activityInfo.name + " with new config " + r.newConfig);
performConfigurationChanged(r.activity, r.newConfig);
r.newConfig = null;
}
} else {
if (r.activity.mVisibleFromServer) {
r.activity.mVisibleFromServer = false;
mNumVisibleActivities--;
v.setVisibility(View.INVISIBLE);
}
}
}
}
private final void handleStopActivity(IBinder token, boolean show, int configChanges) {
ActivityClientRecord r = mActivities.get(token);
r.activity.mConfigChangeFlags |= configChanges;
StopInfo info = new StopInfo();
performStopActivityInner(r, info, show);
if (localLOGV) Slog.v(
TAG, "Finishing stop of " + r + ": show=" + show
+ " win=" + r.window);
updateVisibility(r, show);
// Tell activity manager we have been stopped.
try {
ActivityManagerNative.getDefault().activityStopped(
r.token, info.thumbnail, info.description);
} catch (RemoteException ex) {
}
}
final void performRestartActivity(IBinder token) {
ActivityClientRecord r = mActivities.get(token);
if (r.stopped) {
r.activity.performRestart();
r.stopped = false;
}
}
private final void handleWindowVisibility(IBinder token, boolean show) {
ActivityClientRecord r = mActivities.get(token);
if (!show && !r.stopped) {
performStopActivityInner(r, null, show);
} else if (show && r.stopped) {
// If we are getting ready to gc after going to the background, well
// we are back active so skip it.
unscheduleGcIdler();
r.activity.performRestart();
r.stopped = false;
}
if (r.activity.mDecor != null) {
if (Config.LOGV) Slog.v(
TAG, "Handle window " + r + " visibility: " + show);
updateVisibility(r, show);
}
}
private final void deliverResults(ActivityClientRecord r, List results) {
final int N = results.size();
for (int i=0; i> it =
mActiveResources.values().iterator();
//Iterator>> it =
// mActiveResources.entrySet().iterator();
while (it.hasNext()) {
WeakReference v = it.next();
Resources r = v.get();
if (r != null) {
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Changing resources "
+ r + " config to: " + config);
r.updateConfiguration(config, dm);
//Slog.i(TAG, "Updated app resources " + v.getKey()
// + " " + r + ": " + r.getConfiguration());
} else {
//Slog.i(TAG, "Removing old resources " + v.getKey());
it.remove();
}
}
return changes != 0;
}
final void handleConfigurationChanged(Configuration config) {
ArrayList callbacks = null;
synchronized (mPackages) {
if (mPendingConfiguration != null) {
if (!mPendingConfiguration.isOtherSeqNewer(config)) {
config = mPendingConfiguration;
}
mPendingConfiguration = null;
}
if (config == null) {
return;
}
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handle configuration changed: "
+ config);
applyConfigurationToResourcesLocked(config);
if (mConfiguration == null) {
mConfiguration = new Configuration();
}
if (!mConfiguration.isOtherSeqNewer(config)) {
return;
}
mConfiguration.updateFrom(config);
callbacks = collectComponentCallbacksLocked(false, config);
}
if (callbacks != null) {
final int N = callbacks.size();
for (int i=0; i=0; i--) {
//Slog.i(TAG, "Cleaning old package: " + packages[i]);
if (!hasPkgInfo) {
WeakReference ref;
ref = mPackages.get(packages[i]);
if (ref != null && ref.get() != null) {
hasPkgInfo = true;
} else {
ref = mResourcePackages.get(packages[i]);
if (ref != null && ref.get() != null) {
hasPkgInfo = true;
}
}
}
mPackages.remove(packages[i]);
mResourcePackages.remove(packages[i]);
}
}
ContextImpl.ApplicationPackageManager.handlePackageBroadcast(cmd, packages,
hasPkgInfo);
}
final void handleLowMemory() {
ArrayList callbacks
= new ArrayList();
synchronized (mPackages) {
callbacks = collectComponentCallbacksLocked(true, null);
}
final int N = callbacks.size();
for (int i=0; i providers = data.providers;
if (providers != null) {
installContentProviders(app, providers);
// For process that contain content providers, we want to
// ensure that the JIT is enabled "at some point".
mH.sendEmptyMessageDelayed(H.ENABLE_JIT, 10*1000);
}
try {
mInstrumentation.callApplicationOnCreate(app);
} catch (Exception e) {
if (!mInstrumentation.onException(app, e)) {
throw new RuntimeException(
"Unable to create application " + app.getClass().getName()
+ ": " + e.toString(), e);
}
}
}
/*package*/ final void finishInstrumentation(int resultCode, Bundle results) {
IActivityManager am = ActivityManagerNative.getDefault();
if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) {
Debug.stopMethodTracing();
}
//Slog.i(TAG, "am: " + ActivityManagerNative.getDefault()
// + ", app thr: " + mAppThread);
try {
am.finishInstrumentation(mAppThread, resultCode, results);
} catch (RemoteException ex) {
}
}
private final void installContentProviders(
Context context, List providers) {
final ArrayList results =
new ArrayList();
Iterator i = providers.iterator();
while (i.hasNext()) {
ProviderInfo cpi = i.next();
StringBuilder buf = new StringBuilder(128);
buf.append("Pub ");
buf.append(cpi.authority);
buf.append(": ");
buf.append(cpi.name);
Log.i(TAG, buf.toString());
IContentProvider cp = installProvider(context, null, cpi, false);
if (cp != null) {
IActivityManager.ContentProviderHolder cph =
new IActivityManager.ContentProviderHolder(cpi);
cph.provider = cp;
results.add(cph);
// Don't ever unload this provider from the process.
synchronized(mProviderMap) {
mProviderRefCountMap.put(cp.asBinder(), new ProviderRefCount(10000));
}
}
}
try {
ActivityManagerNative.getDefault().publishContentProviders(
getApplicationThread(), results);
} catch (RemoteException ex) {
}
}
private final IContentProvider getExistingProvider(Context context, String name) {
synchronized(mProviderMap) {
final ProviderClientRecord pr = mProviderMap.get(name);
if (pr != null) {
return pr.mProvider;
}
return null;
}
}
private final IContentProvider getProvider(Context context, String name) {
IContentProvider existing = getExistingProvider(context, name);
if (existing != null) {
return existing;
}
IActivityManager.ContentProviderHolder holder = null;
try {
holder = ActivityManagerNative.getDefault().getContentProvider(
getApplicationThread(), name);
} catch (RemoteException ex) {
}
if (holder == null) {
Slog.e(TAG, "Failed to find provider info for " + name);
return null;
}
IContentProvider prov = installProvider(context, holder.provider,
holder.info, true);
//Slog.i(TAG, "noReleaseNeeded=" + holder.noReleaseNeeded);
if (holder.noReleaseNeeded || holder.provider == null) {
// We are not going to release the provider if it is an external
// provider that doesn't care about being released, or if it is
// a local provider running in this process.
//Slog.i(TAG, "*** NO RELEASE NEEDED");
synchronized(mProviderMap) {
mProviderRefCountMap.put(prov.asBinder(), new ProviderRefCount(10000));
}
}
return prov;
}
public final IContentProvider acquireProvider(Context c, String name) {
IContentProvider provider = getProvider(c, name);
if(provider == null)
return null;
IBinder jBinder = provider.asBinder();
synchronized(mProviderMap) {
ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
if(prc == null) {
mProviderRefCountMap.put(jBinder, new ProviderRefCount(1));
} else {
prc.count++;
} //end else
} //end synchronized
return provider;
}
public final IContentProvider acquireExistingProvider(Context c, String name) {
IContentProvider provider = getExistingProvider(c, name);
if(provider == null)
return null;
IBinder jBinder = provider.asBinder();
synchronized(mProviderMap) {
ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
if(prc == null) {
mProviderRefCountMap.put(jBinder, new ProviderRefCount(1));
} else {
prc.count++;
} //end else
} //end synchronized
return provider;
}
public final boolean releaseProvider(IContentProvider provider) {
if(provider == null) {
return false;
}
IBinder jBinder = provider.asBinder();
synchronized(mProviderMap) {
ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
if(prc == null) {
if(localLOGV) Slog.v(TAG, "releaseProvider::Weird shouldn't be here");
return false;
} else {
prc.count--;
if(prc.count == 0) {
// Schedule the actual remove asynchronously, since we
// don't know the context this will be called in.
// TODO: it would be nice to post a delayed message, so
// if we come back and need the same provider quickly
// we will still have it available.
Message msg = mH.obtainMessage(H.REMOVE_PROVIDER, provider);
mH.sendMessage(msg);
} //end if
} //end else
} //end synchronized
return true;
}
final void completeRemoveProvider(IContentProvider provider) {
IBinder jBinder = provider.asBinder();
String name = null;
synchronized(mProviderMap) {
ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
if(prc != null && prc.count == 0) {
mProviderRefCountMap.remove(jBinder);
//invoke removeProvider to dereference provider
name = removeProviderLocked(provider);
}
}
if (name != null) {
try {
if(localLOGV) Slog.v(TAG, "removeProvider::Invoking " +
"ActivityManagerNative.removeContentProvider(" + name);
ActivityManagerNative.getDefault().removeContentProvider(
getApplicationThread(), name);
} catch (RemoteException e) {
//do nothing content provider object is dead any way
} //end catch
}
}
public final String removeProviderLocked(IContentProvider provider) {
if (provider == null) {
return null;
}
IBinder providerBinder = provider.asBinder();
String name = null;
// remove the provider from mProviderMap
Iterator iter = mProviderMap.values().iterator();
while (iter.hasNext()) {
ProviderClientRecord pr = iter.next();
IBinder myBinder = pr.mProvider.asBinder();
if (myBinder == providerBinder) {
//find if its published by this process itself
if(pr.mLocalProvider != null) {
if(localLOGV) Slog.i(TAG, "removeProvider::found local provider returning");
return name;
}
if(localLOGV) Slog.v(TAG, "removeProvider::Not local provider Unlinking " +
"death recipient");
//content provider is in another process
myBinder.unlinkToDeath(pr, 0);
iter.remove();
//invoke remove only once for the very first name seen
if(name == null) {
name = pr.mName;
}
} //end if myBinder
} //end while iter
return name;
}
final void removeDeadProvider(String name, IContentProvider provider) {
synchronized(mProviderMap) {
ProviderClientRecord pr = mProviderMap.get(name);
if (pr.mProvider.asBinder() == provider.asBinder()) {
Slog.i(TAG, "Removing dead content provider: " + name);
ProviderClientRecord removed = mProviderMap.remove(name);
if (removed != null) {
removed.mProvider.asBinder().unlinkToDeath(removed, 0);
}
}
}
}
final void removeDeadProviderLocked(String name, IContentProvider provider) {
ProviderClientRecord pr = mProviderMap.get(name);
if (pr.mProvider.asBinder() == provider.asBinder()) {
Slog.i(TAG, "Removing dead content provider: " + name);
ProviderClientRecord removed = mProviderMap.remove(name);
if (removed != null) {
removed.mProvider.asBinder().unlinkToDeath(removed, 0);
}
}
}
private final IContentProvider installProvider(Context context,
IContentProvider provider, ProviderInfo info, boolean noisy) {
ContentProvider localProvider = null;
if (provider == null) {
if (noisy) {
Slog.d(TAG, "Loading provider " + info.authority + ": "
+ info.name);
}
Context c = null;
ApplicationInfo ai = info.applicationInfo;
if (context.getPackageName().equals(ai.packageName)) {
c = context;
} else if (mInitialApplication != null &&
mInitialApplication.getPackageName().equals(ai.packageName)) {
c = mInitialApplication;
} else {
try {
c = context.createPackageContext(ai.packageName,
Context.CONTEXT_INCLUDE_CODE);
} catch (PackageManager.NameNotFoundException e) {
}
}
if (c == null) {
Slog.w(TAG, "Unable to get context for package " +
ai.packageName +
" while loading content provider " +
info.name);
return null;
}
try {
final java.lang.ClassLoader cl = c.getClassLoader();
localProvider = (ContentProvider)cl.
loadClass(info.name).newInstance();
provider = localProvider.getIContentProvider();
if (provider == null) {
Slog.e(TAG, "Failed to instantiate class " +
info.name + " from sourceDir " +
info.applicationInfo.sourceDir);
return null;
}
if (Config.LOGV) Slog.v(
TAG, "Instantiating local provider " + info.name);
// XXX Need to create the correct context for this provider.
localProvider.attachInfo(c, info);
} catch (java.lang.Exception e) {
if (!mInstrumentation.onException(null, e)) {
throw new RuntimeException(
"Unable to get provider " + info.name
+ ": " + e.toString(), e);
}
return null;
}
} else if (localLOGV) {
Slog.v(TAG, "Installing external provider " + info.authority + ": "
+ info.name);
}
synchronized (mProviderMap) {
// Cache the pointer for the remote provider.
String names[] = PATTERN_SEMICOLON.split(info.authority);
for (int i=0; i)providers);
}
}
public static final void main(String[] args) {
SamplingProfilerIntegration.start();
Process.setArgV0("");
Looper.prepareMainLooper();
if (sMainThreadHandler == null) {
sMainThreadHandler = new Handler();
}
ActivityThread thread = new ActivityThread();
thread.attach(false);
if (false) {
Looper.myLooper().setMessageLogging(new
LogPrinter(Log.DEBUG, "ActivityThread"));
}
Looper.loop();
if (Process.supportsProcesses()) {
throw new RuntimeException("Main thread loop unexpectedly exited");
}
thread.detach();
String name = (thread.mInitialApplication != null)
? thread.mInitialApplication.getPackageName()
: "";
Slog.i(TAG, "Main thread of " + name + " is now exiting");
}
}
