ActivityThread.java源码
16lz
2021-01-26
ActivityThread.java源码
/* * 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<IBinder, ActivityClientRecord> mActivities = new HashMap<IBinder, ActivityClientRecord>(); // 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<IBinder, Service> mServices = new HashMap<IBinder, Service>(); AppBindData mBoundApplication; Configuration mConfiguration; Configuration mResConfiguration; Application mInitialApplication; final ArrayList<Application> mAllApplications = new ArrayList<Application>(); // set of instantiated backup agents, keyed by package name final HashMap<String, BackupAgent> mBackupAgents = new HashMap<String, BackupAgent>(); static final ThreadLocal<ActivityThread> 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<String, WeakReference<LoadedApk>> mPackages = new HashMap<String, WeakReference<LoadedApk>>(); final HashMap<String, WeakReference<LoadedApk>> mResourcePackages = new HashMap<String, WeakReference<LoadedApk>>(); Display mDisplay = null; DisplayMetrics mDisplayMetrics = null; final HashMap<ResourcesKey, WeakReference<Resources> > mActiveResources = new HashMap<ResourcesKey, WeakReference<Resources> >(); final ArrayList<ActivityClientRecord> mRelaunchingActivities = new ArrayList<ActivityClientRecord>(); Configuration mPendingConfiguration = null; // The lock of mProviderMap protects the following variables. final HashMap<String, ProviderClientRecord> mProviderMap = new HashMap<String, ProviderClientRecord>(); final HashMap<IBinder, ProviderRefCount> mProviderRefCountMap = new HashMap<IBinder, ProviderRefCount>(); final HashMap<IBinder, ProviderClientRecord> mLocalProviders = new HashMap<IBinder, ProviderClientRecord>(); 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<String,Object> lastNonConfigurationChildInstances; boolean paused; boolean stopped; boolean hideForNow; Configuration newConfig; Configuration createdConfig; ActivityClientRecord nextIdle; ActivityInfo activityInfo; LoadedApk packageInfo; List<ResultInfo> pendingResults; List<Intent> 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<Intent> 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<ProviderInfo> 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<ResultInfo> 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<ResultInfo> 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<ResultInfo> pendingResults, List<Intent> 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<ResultInfo> pendingResults, List<Intent> 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<Intent> 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<ProviderInfo> providers, ComponentName instrumentationName, String profileFile, Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher, int debugMode, boolean isRestrictedBackupMode, Configuration config, Map<String, IBinder> 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<Resources> 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<Resources> 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<Resources>(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<LoadedApk> 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<LoadedApk> 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<LoadedApk>(packageInfo)); } else { mResourcePackages.put(aInfo.packageName, new WeakReference<LoadedApk>(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<ResultInfo> list = new ArrayList<ResultInfo>(); 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<Intent> intents) { final int N = intents.size(); for (int i=0; i<N; i++) { Intent intent = intents.get(i); intent.setExtrasClassLoader(r.activity.getClassLoader()); mInstrumentation.callActivityOnNewIntent(r.activity, intent); } } public final void performNewIntents(IBinder token, List<Intent> 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<ResultInfo> results) { final int N = results.size(); for (int i=0; i<N; i++) { ResultInfo ri = results.get(i); try { if (ri.mData != null) { ri.mData.setExtrasClassLoader(r.activity.getClassLoader()); } if (DEBUG_RESULTS) Slog.v(TAG, "Delivering result to activity " + r + " : " + ri); r.activity.dispatchActivityResult(ri.mResultWho, ri.mRequestCode, ri.mResultCode, ri.mData); } catch (Exception e) { if (!mInstrumentation.onException(r.activity, e)) { throw new RuntimeException( "Failure delivering result " + ri + " to activity " + r.intent.getComponent().toShortString() + ": " + e.toString(), e); } } } } private final void handleSendResult(ResultData res) { ActivityClientRecord r = mActivities.get(res.token); if (DEBUG_RESULTS) Slog.v(TAG, "Handling send result to " + r); if (r != null) { final boolean resumed = !r.paused; if (!r.activity.mFinished && r.activity.mDecor != null && r.hideForNow && resumed) { // We had hidden the activity because it started another // one... we have gotten a result back and we are not // paused, so make sure our window is visible. updateVisibility(r, true); } if (resumed) { try { // Now we are idle. r.activity.mCalled = false; mInstrumentation.callActivityOnPause(r.activity); 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); } } } deliverResults(r, res.results); if (resumed) { mInstrumentation.callActivityOnResume(r.activity); } } } public final ActivityClientRecord performDestroyActivity(IBinder token, boolean finishing) { return performDestroyActivity(token, finishing, 0, false); } private final ActivityClientRecord performDestroyActivity(IBinder token, boolean finishing, int configChanges, boolean getNonConfigInstance) { ActivityClientRecord r = mActivities.get(token); if (localLOGV) Slog.v(TAG, "Performing finish of " + r); if (r != null) { r.activity.mConfigChangeFlags |= configChanges; if (finishing) { r.activity.mFinished = true; } if (!r.paused) { try { 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 " + safeToComponentShortString(r.intent) + " 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 " + safeToComponentShortString(r.intent) + ": " + e.toString(), e); } } r.paused = true; } if (!r.stopped) { try { r.activity.performStop(); } catch (SuperNotCalledException e) { throw e; } catch (Exception e) { if (!mInstrumentation.onException(r.activity, e)) { throw new RuntimeException( "Unable to stop activity " + safeToComponentShortString(r.intent) + ": " + e.toString(), e); } } r.stopped = true; } if (getNonConfigInstance) { try { r.lastNonConfigurationInstance = r.activity.onRetainNonConfigurationInstance(); } catch (Exception e) { if (!mInstrumentation.onException(r.activity, e)) { throw new RuntimeException( "Unable to retain activity " + r.intent.getComponent().toShortString() + ": " + e.toString(), e); } } try { r.lastNonConfigurationChildInstances = r.activity.onRetainNonConfigurationChildInstances(); } catch (Exception e) { if (!mInstrumentation.onException(r.activity, e)) { throw new RuntimeException( "Unable to retain child activities " + safeToComponentShortString(r.intent) + ": " + e.toString(), e); } } } try { r.activity.mCalled = false; r.activity.onDestroy(); if (!r.activity.mCalled) { throw new SuperNotCalledException( "Activity " + safeToComponentShortString(r.intent) + " did not call through to super.onDestroy()"); } if (r.window != null) { r.window.closeAllPanels(); } } catch (SuperNotCalledException e) { throw e; } catch (Exception e) { if (!mInstrumentation.onException(r.activity, e)) { throw new RuntimeException( "Unable to destroy activity " + safeToComponentShortString(r.intent) + ": " + e.toString(), e); } } } mActivities.remove(token); return r; } private static String safeToComponentShortString(Intent intent) { ComponentName component = intent.getComponent(); return component == null ? "[Unknown]" : component.toShortString(); } private final void handleDestroyActivity(IBinder token, boolean finishing, int configChanges, boolean getNonConfigInstance) { ActivityClientRecord r = performDestroyActivity(token, finishing, configChanges, getNonConfigInstance); if (r != null) { WindowManager wm = r.activity.getWindowManager(); View v = r.activity.mDecor; if (v != null) { if (r.activity.mVisibleFromServer) { mNumVisibleActivities--; } IBinder wtoken = v.getWindowToken(); if (r.activity.mWindowAdded) { wm.removeViewImmediate(v); } if (wtoken != null) { WindowManagerImpl.getDefault().closeAll(wtoken, r.activity.getClass().getName(), "Activity"); } r.activity.mDecor = null; } WindowManagerImpl.getDefault().closeAll(token, r.activity.getClass().getName(), "Activity"); // Mocked out contexts won't be participating in the normal // process lifecycle, but if we're running with a proper // ApplicationContext we need to have it tear down things // cleanly. Context c = r.activity.getBaseContext(); if (c instanceof ContextImpl) { ((ContextImpl) c).scheduleFinalCleanup( r.activity.getClass().getName(), "Activity"); } } if (finishing) { try { ActivityManagerNative.getDefault().activityDestroyed(token); } catch (RemoteException ex) { // If the system process has died, it's game over for everyone. } } } private final void handleRelaunchActivity(ActivityClientRecord tmp, int configChanges) { // If we are getting ready to gc after going to the background, well // we are back active so skip it. unscheduleGcIdler(); Configuration changedConfig = null; if (DEBUG_CONFIGURATION) Slog.v(TAG, "Relaunching activity " + tmp.token + " with configChanges=0x" + Integer.toHexString(configChanges)); // First: make sure we have the most recent configuration and most // recent version of the activity, or skip it if some previous call // had taken a more recent version. synchronized (mPackages) { int N = mRelaunchingActivities.size(); IBinder token = tmp.token; tmp = null; for (int i=0; i<N; i++) { ActivityClientRecord r = mRelaunchingActivities.get(i); if (r.token == token) { tmp = r; mRelaunchingActivities.remove(i); i--; N--; } } if (tmp == null) { if (DEBUG_CONFIGURATION) Slog.v(TAG, "Abort, activity not relaunching!"); return; } if (mPendingConfiguration != null) { changedConfig = mPendingConfiguration; mPendingConfiguration = null; } } if (tmp.createdConfig != null) { // If the activity manager is passing us its current config, // assume that is really what we want regardless of what we // may have pending. if (mConfiguration == null || (tmp.createdConfig.isOtherSeqNewer(mConfiguration) && mConfiguration.diff(tmp.createdConfig) != 0)) { if (changedConfig == null || tmp.createdConfig.isOtherSeqNewer(changedConfig)) { changedConfig = tmp.createdConfig; } } } if (DEBUG_CONFIGURATION) Slog.v(TAG, "Relaunching activity " + tmp.token + ": changedConfig=" + changedConfig); // If there was a pending configuration change, execute it first. if (changedConfig != null) { handleConfigurationChanged(changedConfig); } ActivityClientRecord r = mActivities.get(tmp.token); if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handling relaunch of " + r); if (r == null) { return; } r.activity.mConfigChangeFlags |= configChanges; Intent currentIntent = r.activity.mIntent; Bundle savedState = null; if (!r.paused) { savedState = performPauseActivity(r.token, false, true); } handleDestroyActivity(r.token, false, configChanges, true); r.activity = null; r.window = null; r.hideForNow = false; r.nextIdle = null; // Merge any pending results and pending intents; don't just replace them if (tmp.pendingResults != null) { if (r.pendingResults == null) { r.pendingResults = tmp.pendingResults; } else { r.pendingResults.addAll(tmp.pendingResults); } } if (tmp.pendingIntents != null) { if (r.pendingIntents == null) { r.pendingIntents = tmp.pendingIntents; } else { r.pendingIntents.addAll(tmp.pendingIntents); } } r.startsNotResumed = tmp.startsNotResumed; if (savedState != null) { r.state = savedState; } handleLaunchActivity(r, currentIntent); } private final void handleRequestThumbnail(IBinder token) { ActivityClientRecord r = mActivities.get(token); Bitmap thumbnail = createThumbnailBitmap(r); CharSequence description = null; try { description = r.activity.onCreateDescription(); } catch (Exception e) { if (!mInstrumentation.onException(r.activity, e)) { throw new RuntimeException( "Unable to create description of activity " + r.intent.getComponent().toShortString() + ": " + e.toString(), e); } } //System.out.println("Reporting top thumbnail " + thumbnail); try { ActivityManagerNative.getDefault().reportThumbnail( token, thumbnail, description); } catch (RemoteException ex) { } } ArrayList<ComponentCallbacks> collectComponentCallbacksLocked( boolean allActivities, Configuration newConfig) { ArrayList<ComponentCallbacks> callbacks = new ArrayList<ComponentCallbacks>(); if (mActivities.size() > 0) { Iterator<ActivityClientRecord> it = mActivities.values().iterator(); while (it.hasNext()) { ActivityClientRecord ar = it.next(); Activity a = ar.activity; if (a != null) { if (!ar.activity.mFinished && (allActivities || (a != null && !ar.paused))) { // If the activity is currently resumed, its configuration // needs to change right now. callbacks.add(a); } else if (newConfig != null) { // Otherwise, we will tell it about the change // the next time it is resumed or shown. Note that // the activity manager may, before then, decide the // activity needs to be destroyed to handle its new // configuration. if (DEBUG_CONFIGURATION) Slog.v(TAG, "Setting activity " + ar.activityInfo.name + " newConfig=" + newConfig); ar.newConfig = newConfig; } } } } if (mServices.size() > 0) { Iterator<Service> it = mServices.values().iterator(); while (it.hasNext()) { callbacks.add(it.next()); } } synchronized (mProviderMap) { if (mLocalProviders.size() > 0) { Iterator<ProviderClientRecord> it = mLocalProviders.values().iterator(); while (it.hasNext()) { callbacks.add(it.next().mLocalProvider); } } } final int N = mAllApplications.size(); for (int i=0; i<N; i++) { callbacks.add(mAllApplications.get(i)); } return callbacks; } private final void performConfigurationChanged( ComponentCallbacks cb, Configuration config) { // Only for Activity objects, check that they actually call up to their // superclass implementation. ComponentCallbacks is an interface, so // we check the runtime type and act accordingly. Activity activity = (cb instanceof Activity) ? (Activity) cb : null; if (activity != null) { activity.mCalled = false; } boolean shouldChangeConfig = false; if ((activity == null) || (activity.mCurrentConfig == null)) { shouldChangeConfig = true; } else { // If the new config is the same as the config this Activity // is already running with then don't bother calling // onConfigurationChanged int diff = activity.mCurrentConfig.diff(config); if (diff != 0) { // If this activity doesn't handle any of the config changes // then don't bother calling onConfigurationChanged as we're // going to destroy it. if ((~activity.mActivityInfo.configChanges & diff) == 0) { shouldChangeConfig = true; } } } if (DEBUG_CONFIGURATION) Slog.v(TAG, "Config callback " + cb + ": shouldChangeConfig=" + shouldChangeConfig); if (shouldChangeConfig) { cb.onConfigurationChanged(config); if (activity != null) { if (!activity.mCalled) { throw new SuperNotCalledException( "Activity " + activity.getLocalClassName() + " did not call through to super.onConfigurationChanged()"); } activity.mConfigChangeFlags = 0; activity.mCurrentConfig = new Configuration(config); } } } final boolean applyConfigurationToResourcesLocked(Configuration config) { if (mResConfiguration == null) { mResConfiguration = new Configuration(); } if (!mResConfiguration.isOtherSeqNewer(config)) { if (DEBUG_CONFIGURATION) Slog.v(TAG, "Skipping new config: curSeq=" + mResConfiguration.seq + ", newSeq=" + config.seq); return false; } int changes = mResConfiguration.updateFrom(config); DisplayMetrics dm = getDisplayMetricsLocked(true); // set it for java, this also affects newly created Resources if (config.locale != null) { Locale.setDefault(config.locale); } Resources.updateSystemConfiguration(config, dm); ContextImpl.ApplicationPackageManager.configurationChanged(); //Slog.i(TAG, "Configuration changed in " + currentPackageName()); Iterator<WeakReference<Resources>> it = mActiveResources.values().iterator(); //Iterator<Map.Entry<String, WeakReference<Resources>>> it = // mActiveResources.entrySet().iterator(); while (it.hasNext()) { WeakReference<Resources> 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<ComponentCallbacks> 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<N; i++) { performConfigurationChanged(callbacks.get(i), config); } } } final void handleActivityConfigurationChanged(IBinder token) { ActivityClientRecord r = mActivities.get(token); if (r == null || r.activity == null) { return; } if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handle activity config changed: " + r.activityInfo.name); performConfigurationChanged(r.activity, mConfiguration); } final void handleProfilerControl(boolean start, ProfilerControlData pcd) { if (start) { try { Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(), 8 * 1024 * 1024, 0); } catch (RuntimeException e) { Slog.w(TAG, "Profiling failed on path " + pcd.path + " -- can the process access this path?"); } finally { try { pcd.fd.close(); } catch (IOException e) { Slog.w(TAG, "Failure closing profile fd", e); } } } else { Debug.stopMethodTracing(); } } final void handleDispatchPackageBroadcast(int cmd, String[] packages) { boolean hasPkgInfo = false; if (packages != null) { for (int i=packages.length-1; i>=0; i--) { //Slog.i(TAG, "Cleaning old package: " + packages[i]); if (!hasPkgInfo) { WeakReference<LoadedApk> 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<ComponentCallbacks> callbacks = new ArrayList<ComponentCallbacks>(); synchronized (mPackages) { callbacks = collectComponentCallbacksLocked(true, null); } final int N = callbacks.size(); for (int i=0; i<N; i++) { callbacks.get(i).onLowMemory(); } // Ask SQLite to free up as much memory as it can, mostly from its page caches. if (Process.myUid() != Process.SYSTEM_UID) { int sqliteReleased = SQLiteDatabase.releaseMemory(); EventLog.writeEvent(SQLITE_MEM_RELEASED_EVENT_LOG_TAG, sqliteReleased); } // Ask graphics to free up as much as possible (font/image caches) Canvas.freeCaches(); BinderInternal.forceGc("mem"); } private final void handleBindApplication(AppBindData data) { mBoundApplication = data; mConfiguration = new Configuration(data.config); // send up app name; do this *before* waiting for debugger Process.setArgV0(data.processName); android.ddm.DdmHandleAppName.setAppName(data.processName); /* * Before spawning a new process, reset the time zone to be the system time zone. * This needs to be done because the system time zone could have changed after the * the spawning of this process. Without doing this this process would have the incorrect * system time zone. */ TimeZone.setDefault(null); /* * Initialize the default locale in this process for the reasons we set the time zone. */ Locale.setDefault(data.config.locale); /* * Update the system configuration since its preloaded and might not * reflect configuration changes. The configuration object passed * in AppBindData can be safely assumed to be up to date */ Resources.getSystem().updateConfiguration(mConfiguration, null); data.info = getPackageInfoNoCheck(data.appInfo); /** * For system applications on userdebug/eng builds, log stack * traces of disk and network access to dropbox for analysis. */ if ((data.appInfo.flags & (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)) != 0) { StrictMode.conditionallyEnableDebugLogging(); } /** * Switch this process to density compatibility mode if needed. */ if ((data.appInfo.flags&ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES) == 0) { Bitmap.setDefaultDensity(DisplayMetrics.DENSITY_DEFAULT); } if (data.debugMode != IApplicationThread.DEBUG_OFF) { // XXX should have option to change the port. Debug.changeDebugPort(8100); if (data.debugMode == IApplicationThread.DEBUG_WAIT) { Slog.w(TAG, "Application " + data.info.getPackageName() + " is waiting for the debugger on port 8100..."); IActivityManager mgr = ActivityManagerNative.getDefault(); try { mgr.showWaitingForDebugger(mAppThread, true); } catch (RemoteException ex) { } Debug.waitForDebugger(); try { mgr.showWaitingForDebugger(mAppThread, false); } catch (RemoteException ex) { } } else { Slog.w(TAG, "Application " + data.info.getPackageName() + " can be debugged on port 8100..."); } } if (data.instrumentationName != null) { ContextImpl appContext = new ContextImpl(); appContext.init(data.info, null, this); InstrumentationInfo ii = null; try { ii = appContext.getPackageManager(). getInstrumentationInfo(data.instrumentationName, 0); } catch (PackageManager.NameNotFoundException e) { } if (ii == null) { throw new RuntimeException( "Unable to find instrumentation info for: " + data.instrumentationName); } mInstrumentationAppDir = ii.sourceDir; mInstrumentationAppPackage = ii.packageName; mInstrumentedAppDir = data.info.getAppDir(); ApplicationInfo instrApp = new ApplicationInfo(); instrApp.packageName = ii.packageName; instrApp.sourceDir = ii.sourceDir; instrApp.publicSourceDir = ii.publicSourceDir; instrApp.dataDir = ii.dataDir; instrApp.nativeLibraryDir = ii.nativeLibraryDir; LoadedApk pi = getPackageInfo(instrApp, appContext.getClassLoader(), false, true); ContextImpl instrContext = new ContextImpl(); instrContext.init(pi, null, this); try { java.lang.ClassLoader cl = instrContext.getClassLoader(); mInstrumentation = (Instrumentation) cl.loadClass(data.instrumentationName.getClassName()).newInstance(); } catch (Exception e) { throw new RuntimeException( "Unable to instantiate instrumentation " + data.instrumentationName + ": " + e.toString(), e); } mInstrumentation.init(this, instrContext, appContext, new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher); if (data.profileFile != null && !ii.handleProfiling) { data.handlingProfiling = true; File file = new File(data.profileFile); file.getParentFile().mkdirs(); Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024); } try { mInstrumentation.onCreate(data.instrumentationArgs); } catch (Exception e) { throw new RuntimeException( "Exception thrown in onCreate() of " + data.instrumentationName + ": " + e.toString(), e); } } else { mInstrumentation = new Instrumentation(); } // If the app is being launched for full backup or restore, bring it up in // a restricted environment with the base application class. Application app = data.info.makeApplication(data.restrictedBackupMode, null); mInitialApplication = app; List<ProviderInfo> 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<ProviderInfo> providers) { final ArrayList<IActivityManager.ContentProviderHolder> results = new ArrayList<IActivityManager.ContentProviderHolder>(); Iterator<ProviderInfo> 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<ProviderClientRecord> 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<names.length; i++) { ProviderClientRecord pr = new ProviderClientRecord(names[i], provider, localProvider); try { provider.asBinder().linkToDeath(pr, 0); mProviderMap.put(names[i], pr); } catch (RemoteException e) { return null; } } if (localProvider != null) { mLocalProviders.put(provider.asBinder(), new ProviderClientRecord(null, provider, localProvider)); } } return provider; } private final void attach(boolean system) { sThreadLocal.set(this); mSystemThread = system; if (!system) { ViewRoot.addFirstDrawHandler(new Runnable() { public void run() { ensureJitEnabled(); } }); android.ddm.DdmHandleAppName.setAppName("<pre-initialized>"); RuntimeInit.setApplicationObject(mAppThread.asBinder()); IActivityManager mgr = ActivityManagerNative.getDefault(); try { mgr.attachApplication(mAppThread); } catch (RemoteException ex) { } } else { // Don't set application object here -- if the system crashes, // we can't display an alert, we just want to die die die. android.ddm.DdmHandleAppName.setAppName("system_process"); try { mInstrumentation = new Instrumentation(); ContextImpl context = new ContextImpl(); context.init(getSystemContext().mPackageInfo, null, this); Application app = Instrumentation.newApplication(Application.class, context); mAllApplications.add(app); mInitialApplication = app; app.onCreate(); } catch (Exception e) { throw new RuntimeException( "Unable to instantiate Application():" + e.toString(), e); } } ViewRoot.addConfigCallback(new ComponentCallbacks() { public void onConfigurationChanged(Configuration newConfig) { synchronized (mPackages) { // We need to apply this change to the resources // immediately, because upon returning the view // hierarchy will be informed about it. if (applyConfigurationToResourcesLocked(newConfig)) { // This actually changed the resources! Tell // everyone about it. if (mPendingConfiguration == null || mPendingConfiguration.isOtherSeqNewer(newConfig)) { mPendingConfiguration = newConfig; queueOrSendMessage(H.CONFIGURATION_CHANGED, newConfig); } } } } public void onLowMemory() { } }); } private final void detach() { sThreadLocal.set(null); } public static final ActivityThread systemMain() { ActivityThread thread = new ActivityThread(); thread.attach(true); return thread; } public final void installSystemProviders(List providers) { if (providers != null) { installContentProviders(mInitialApplication, (List<ProviderInfo>)providers); } } public static final void main(String[] args) { SamplingProfilerIntegration.start(); Process.setArgV0("<pre-initialized>"); 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() : "<unknown>"; Slog.i(TAG, "Main thread of " + name + " is now exiting"); }}更多相关文章
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