ActivityThread
主线程
Looper.prepareMainLooper();
...
Looper.loop();
public static void main(String[] args) {
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "ActivityThreadMain");
// Install selective syscall interception
// step 1 安装选择性的系统调用拦截器
AndroidOs.install();
// CloseGuard defaults to true and can be quite spammy. We
// disable it here, but selectively enable it later (via
// StrictMode) on debug builds, but using DropBox, not logs.
CloseGuard.setEnabled(false);
Environment.initForCurrentUser();
// Make sure TrustedCertificateStore looks in the right place for CA certificates
final File configDir = Environment.getUserConfigDirectory(UserHandle.myUserId());
TrustedCertificateStore.setDefaultUserDirectory(configDir);
// Call per-process mainline module initialization.
initializeMainlineModules();
Process.setArgV0("<pre-initialized>");
Looper.prepareMainLooper();
// Find the value for {@link #PROC_START_SEQ_IDENT} if provided on the command line.
// It will be in the format "seq=114"
long startSeq = 0;
if (args != null) {
for (int i = args.length - 1; i >= 0; --i) {
if (args[i] != null && args[i].startsWith(PROC_START_SEQ_IDENT)) {
startSeq = Long.parseLong(
args[i].substring(PROC_START_SEQ_IDENT.length()));
}
}
}
// step 1 新建ActivityThread.attach(false,startSeq)
ActivityThread thread = new ActivityThread();
thread.attach(false, startSeq);
// step 2 mainHandler
if (sMainThreadHandler == null) {
sMainThreadHandler = thread.getHandler();
}
if (false) {
Looper.myLooper().setMessageLogging(new
LogPrinter(Log.DEBUG, "ActivityThread"));
}
// End of event ActivityThreadMain.
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
// step 3 loop()
Looper.loop();
throw new RuntimeException("Main thread loop unexpectedly exited");
}
- 主线程的所有代码都运行在 loop() 中
- 其他线程都是通过 handler 发送到主线程；
attach
@UnsupportedAppUsage
private void attach(boolean system, long startSeq) {
sCurrentActivityThread = this;
mSystemThread = system;
if (!system) {
android.ddm.DdmHandleAppName.setAppName("<pre-initialized>",
UserHandle.myUserId());
RuntimeInit.setApplicationObject(mAppThread.asBinder());
final IActivityManager mgr = ActivityManager.getService();
try {
mgr.attachApplication(mAppThread, startSeq);
} catch (RemoteException ex) {
throw ex.rethrowFromSystemServer();
}
// Watch for getting close to heap limit.
BinderInternal.addGcWatcher(new Runnable() {
@Override public void run() {
if (!mSomeActivitiesChanged) {
return;
}
Runtime runtime = Runtime.getRuntime();
long dalvikMax = runtime.maxMemory();
long dalvikUsed = runtime.totalMemory() - runtime.freeMemory();
if (dalvikUsed > ((3*dalvikMax)/4)) {
if (DEBUG_MEMORY_TRIM) Slog.d(TAG, "Dalvik max=" + (dalvikMax/1024)
+ " total=" + (runtime.totalMemory()/1024)
+ " used=" + (dalvikUsed/1024));
mSomeActivitiesChanged = false;
try {
ActivityTaskManager.getService().releaseSomeActivities(mAppThread);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
}
});
} 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",
UserHandle.myUserId());
try {
mInstrumentation = new Instrumentation();
mInstrumentation.basicInit(this);
ContextImpl context = ContextImpl.createAppContext(
this, getSystemContext().mPackageInfo);
mInitialApplication = context.mPackageInfo.makeApplication(true, null);
mInitialApplication.onCreate();
} catch (Exception e) {
throw new RuntimeException(
"Unable to instantiate Application():" + e.toString(), e);
}
}
ViewRootImpl.ConfigChangedCallback configChangedCallback
= (Configuration globalConfig) -> {
synchronized (mResourcesManager) {
// TODO (b/135719017): Temporary log for debugging IME service.
if (Build.IS_DEBUGGABLE && mHasImeComponent) {
Log.d(TAG, "ViewRootImpl.ConfigChangedCallback for IME, "
+ "config=" + globalConfig);
}
// We need to apply this change to the resources immediately, because upon returning
// the view hierarchy will be informed about it.
if (mResourcesManager.applyConfigurationToResourcesLocked(globalConfig,
null /* compat */,
mInitialApplication.getResources().getDisplayAdjustments())) {
updateLocaleListFromAppContext(mInitialApplication.getApplicationContext(),
mResourcesManager.getConfiguration().getLocales());
// This actually changed the resources! Tell everyone about it.
if (mPendingConfiguration == null
|| mPendingConfiguration.isOtherSeqNewer(globalConfig)) {
mPendingConfiguration = globalConfig;
sendMessage(H.CONFIGURATION_CHANGED, globalConfig);
}
}
}
};
ViewRootImpl.addConfigCallback(configChangedCallback);
}
AMS.attachApplication
final IActivityManager mgr = ActivityManager.getService();
try {
mgr.attachApplication(mAppThread, startSeq);
} catch (RemoteException ex) {
throw ex.rethrowFromSystemServer();
}
@Override
public final void attachApplication(IApplicationThread thread, long startSeq) {
if (thread == null) {
throw new SecurityException("Invalid application interface");
}
synchronized (this) {
int callingPid = Binder.getCallingPid();
final int callingUid = Binder.getCallingUid();
final long origId = Binder.clearCallingIdentity();
attachApplicationLocked(thread, callingPid, callingUid, startSeq);
Binder.restoreCallingIdentity(origId);
}
}
注意参数 之后 ams 会回调 bindApplication ;
@GuardedBy("this")
private boolean attachApplicationLocked(@NonNull IApplicationThread thread,
int pid, int callingUid, long startSeq) {
...
checkTime(startTime, "attachApplicationLocked: immediately before bindApplication");
bindApplicationTimeMillis = SystemClock.elapsedRealtime();
mAtmInternal.preBindApplication(app.getWindowProcessController());
final ActiveInstrumentation instr2 = app.getActiveInstrumentation();
if (mPlatformCompat != null) {
mPlatformCompat.resetReporting(app.info);
}
final ProviderInfoList providerList = ProviderInfoList.fromList(providers);
if (app.isolatedEntryPoint != null) {
// This is an isolated process which should just call an entry point instead of
// being bound to an application.
thread.runIsolatedEntryPoint(app.isolatedEntryPoint, app.isolatedEntryPointArgs);
} else if (instr2 != null) {
thread.bindApplication(processName, appInfo, providerList,
instr2.mClass,
profilerInfo, instr2.mArguments,
instr2.mWatcher,
instr2.mUiAutomationConnection, testMode,
mBinderTransactionTrackingEnabled, enableTrackAllocation,
isRestrictedBackupMode || !normalMode, app.isPersistent(),
new Configuration(app.getWindowProcessController().getConfiguration()),
app.compat, getCommonServicesLocked(app.isolated),
mCoreSettingsObserver.getCoreSettingsLocked(),
buildSerial, autofillOptions, contentCaptureOptions,
app.mDisabledCompatChanges);
} else {
thread.bindApplication(processName, appInfo, providerList, null, profilerInfo,
null, null, null, testMode,
mBinderTransactionTrackingEnabled, enableTrackAllocation,
isRestrictedBackupMode || !normalMode, app.isPersistent(),
new Configuration(app.getWindowProcessController().getConfiguration()),
app.compat, getCommonServicesLocked(app.isolated),
mCoreSettingsObserver.getCoreSettingsLocked(),
buildSerial, autofillOptions, contentCaptureOptions,
app.mDisabledCompatChanges);
}
if (profilerInfo != null) {
profilerInfo.closeFd();
profilerInfo = null;
}
// Make app active after binding application or client may be running requests (e.g
// starting activities) before it is ready.
app.makeActive(thread, mProcessStats);
checkTime(startTime, "attachApplicationLocked: immediately after bindApplication");
mProcessList.updateLruProcessLocked(app, false, null);
checkTime(startTime, "attachApplicationLocked: after updateLruProcessLocked");
app.lastRequestedGc = app.lastLowMemory = SystemClock.uptimeMillis();
...
}
回调ActivityThread.bindApplication
@Override
public final void bindApplication(String processName, ApplicationInfo appInfo,
ProviderInfoList providerList, ComponentName instrumentationName,
ProfilerInfo profilerInfo, Bundle instrumentationArgs,
IInstrumentationWatcher instrumentationWatcher,
IUiAutomationConnection instrumentationUiConnection, int debugMode,
boolean enableBinderTracking, boolean trackAllocation,
boolean isRestrictedBackupMode, boolean persistent, Configuration config,
CompatibilityInfo compatInfo, Map services, Bundle coreSettings,
String buildSerial, AutofillOptions autofillOptions,
ContentCaptureOptions contentCaptureOptions, long[] disabledCompatChanges) {
if (services != null) {
if (false) {
// Test code to make sure the app could see the passed-in services.
for (Object oname : services.keySet()) {
if (services.get(oname) == null) {
continue; // AM just passed in a null service.
}
String name = (String) oname;
// See b/79378449 about the following exemption.
switch (name) {
case "package":
case Context.WINDOW_SERVICE:
continue;
}
if (ServiceManager.getService(name) == null) {
Log.wtf(TAG, "Service " + name + " should be accessible by this app");
}
}
}
// Setup the service cache in the ServiceManager
ServiceManager.initServiceCache(services);
}
setCoreSettings(coreSettings);
AppBindData data = new AppBindData();
data.processName = processName;
data.appInfo = appInfo;
data.providers = providerList.getList();
data.instrumentationName = instrumentationName;
data.instrumentationArgs = instrumentationArgs;
data.instrumentationWatcher = instrumentationWatcher;
data.instrumentationUiAutomationConnection = instrumentationUiConnection;
data.debugMode = debugMode;
data.enableBinderTracking = enableBinderTracking;
data.trackAllocation = trackAllocation;
data.restrictedBackupMode = isRestrictedBackupMode;
data.persistent = persistent;
data.config = config;
data.compatInfo = compatInfo;
data.initProfilerInfo = profilerInfo;
data.buildSerial = buildSerial;
data.autofillOptions = autofillOptions;
data.contentCaptureOptions = contentCaptureOptions;
data.disabledCompatChanges = disabledCompatChanges;
sendMessage(H.BIND_APPLICATION, data);
}
sendMessage 给主线程 hanlder -> hanleBindApplication
@UnsupportedAppUsage
private void handleBindApplication(AppBindData data) {
...
/*
* Set the LocaleList. This may change once we create the App Context.
*/
LocaleList.setDefault(data.config.getLocales());
synchronized (mResourcesManager) {
/*
* 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
*/
mResourcesManager.applyConfigurationToResourcesLocked(data.config, data.compatInfo);
mCurDefaultDisplayDpi = data.config.densityDpi;
// This calls mResourcesManager so keep it within the synchronized block.
applyCompatConfiguration(mCurDefaultDisplayDpi);
}
data.info = getPackageInfoNoCheck(data.appInfo, data.compatInfo);
if (agent != null) {
handleAttachAgent(agent, data.info);
}
....
}
getPackageInfo 内部 getClassloader
public final LoadedApk getPackageInfo(String packageName, CompatibilityInfo compatInfo,
int flags, int userId) {
final boolean differentUser = (UserHandle.myUserId() != userId);
ApplicationInfo ai = PackageManager.getApplicationInfoAsUserCached(
packageName,
PackageManager.GET_SHARED_LIBRARY_FILES
| PackageManager.MATCH_DEBUG_TRIAGED_MISSING,
(userId < 0) ? UserHandle.myUserId() : userId);
synchronized (mResourcesManager) {
WeakReference<LoadedApk> ref;
if (differentUser) {
// Caching not supported across users
ref = null;
} else if ((flags & Context.CONTEXT_INCLUDE_CODE) != 0) {
ref = mPackages.get(packageName);
} else {
ref = mResourcePackages.get(packageName);
}
LoadedApk packageInfo = ref != null ? ref.get() : null;
if (ai != null && packageInfo != null) {
if (!isLoadedApkResourceDirsUpToDate(packageInfo, ai)) {
List<String> oldPaths = new ArrayList<>();
LoadedApk.makePaths(this, ai, oldPaths);
packageInfo.updateApplicationInfo(ai, oldPaths);
}
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;
}
}
if (ai != null) {
return getPackageInfo(ai, compatInfo, flags);
}
return null;
}
内部类 Binder ApplicaitonThread
- ApplicaitonThread 是一个 binder
- ApplicaitonThread 是 binderpool 中一个线程不是主线程
- 它运行的所有的方法都是通过 sendMessage 的方式发送到主线程；
private class ApplicationThread extends IApplicationThread.Stub {
private static final String DB_INFO_FORMAT = " %8s %8s %14s %14s %s";
public final void scheduleReceiver(Intent intent, ActivityInfo info,
CompatibilityInfo compatInfo, int resultCode, String data, Bundle extras,
boolean sync, int sendingUser, int processState) {
updateProcessState(processState, false);
ReceiverData r = new ReceiverData(intent, resultCode, data, extras,
sync, false, mAppThread.asBinder(), sendingUser);
r.info = info;
r.compatInfo = compatInfo;
sendMessage(H.RECEIVER, r);
}
public final void scheduleCreateBackupAgent(ApplicationInfo app,
CompatibilityInfo compatInfo, int backupMode, int userId) {
CreateBackupAgentData d = new CreateBackupAgentData();
d.appInfo = app;
d.compatInfo = compatInfo;
d.backupMode = backupMode;
d.userId = userId;
sendMessage(H.CREATE_BACKUP_AGENT, d);
}
public final void scheduleDestroyBackupAgent(ApplicationInfo app,
CompatibilityInfo compatInfo, int userId) {
CreateBackupAgentData d = new CreateBackupAgentData();
d.appInfo = app;
d.compatInfo = compatInfo;
d.userId = userId;
sendMessage(H.DESTROY_BACKUP_AGENT, d);
}
public final void scheduleCreateService(IBinder token,
ServiceInfo info, CompatibilityInfo compatInfo, int processState) {
updateProcessState(processState, false);
CreateServiceData s = new CreateServiceData();
s.token = token;
s.info = info;
s.compatInfo = compatInfo;
sendMessage(H.CREATE_SERVICE, s);
}
public final void scheduleBindService(IBinder token, Intent intent,
boolean rebind, int processState) {
updateProcessState(processState, false);
BindServiceData s = new BindServiceData();
s.token = token;
s.intent = intent;
s.rebind = rebind;
if (DEBUG_SERVICE)
Slog.v(TAG, "scheduleBindService token=" + token + " intent=" + intent + " uid="
+ Binder.getCallingUid() + " pid=" + Binder.getCallingPid());
sendMessage(H.BIND_SERVICE, s);
}
public final void scheduleUnbindService(IBinder token, Intent intent) {
BindServiceData s = new BindServiceData();
s.token = token;
s.intent = intent;
sendMessage(H.UNBIND_SERVICE, s);
}
public final void scheduleServiceArgs(IBinder token, ParceledListSlice args) {
List<ServiceStartArgs> list = args.getList();
for (int i = 0; i < list.size(); i++) {
ServiceStartArgs ssa = list.get(i);
ServiceArgsData s = new ServiceArgsData();
s.token = token;
s.taskRemoved = ssa.taskRemoved;
s.startId = ssa.startId;
s.flags = ssa.flags;
s.args = ssa.args;
sendMessage(H.SERVICE_ARGS, s);
}
}
public final void scheduleStopService(IBinder token) {
sendMessage(H.STOP_SERVICE, token);
}
@Override
public final void bindApplication(String processName, ApplicationInfo appInfo,
ProviderInfoList providerList, ComponentName instrumentationName,
ProfilerInfo profilerInfo, Bundle instrumentationArgs,
IInstrumentationWatcher instrumentationWatcher,
IUiAutomationConnection instrumentationUiConnection, int debugMode,
boolean enableBinderTracking, boolean trackAllocation,
boolean isRestrictedBackupMode, boolean persistent, Configuration config,
CompatibilityInfo compatInfo, Map services, Bundle coreSettings,
String buildSerial, AutofillOptions autofillOptions,
ContentCaptureOptions contentCaptureOptions, long[] disabledCompatChanges) {
if (services != null) {
if (false) {
// Test code to make sure the app could see the passed-in services.
for (Object oname : services.keySet()) {
if (services.get(oname) == null) {
continue; // AM just passed in a null service.
}
String name = (String) oname;
// See b/79378449 about the following exemption.
switch (name) {
case "package":
case Context.WINDOW_SERVICE:
continue;
}
if (ServiceManager.getService(name) == null) {
Log.wtf(TAG, "Service " + name + " should be accessible by this app");
}
}
}
// Setup the service cache in the ServiceManager
ServiceManager.initServiceCache(services);
}
setCoreSettings(coreSettings);
AppBindData data = new AppBindData();
data.processName = processName;
data.appInfo = appInfo;
data.providers = providerList.getList();
data.instrumentationName = instrumentationName;
data.instrumentationArgs = instrumentationArgs;
data.instrumentationWatcher = instrumentationWatcher;
data.instrumentationUiAutomationConnection = instrumentationUiConnection;
data.debugMode = debugMode;
data.enableBinderTracking = enableBinderTracking;
data.trackAllocation = trackAllocation;
data.restrictedBackupMode = isRestrictedBackupMode;
data.persistent = persistent;
data.config = config;
data.compatInfo = compatInfo;
data.initProfilerInfo = profilerInfo;
data.buildSerial = buildSerial;
data.autofillOptions = autofillOptions;
data.contentCaptureOptions = contentCaptureOptions;
data.disabledCompatChanges = disabledCompatChanges;
sendMessage(H.BIND_APPLICATION, data);
}
public final void runIsolatedEntryPoint(String entryPoint, String[] entryPointArgs) {
SomeArgs args = SomeArgs.obtain();
args.arg1 = entryPoint;
args.arg2 = entryPointArgs;
sendMessage(H.RUN_ISOLATED_ENTRY_POINT, args);
}
public final void scheduleExit() {
sendMessage(H.EXIT_APPLICATION, null);
}
public final void scheduleSuicide() {
sendMessage(H.SUICIDE, null);
}
public void scheduleApplicationInfoChanged(ApplicationInfo ai) {
mH.removeMessages(H.APPLICATION_INFO_CHANGED, ai);
sendMessage(H.APPLICATION_INFO_CHANGED, ai);
}
public void updateTimeZone() {
TimeZone.setDefault(null);
}
public void clearDnsCache() {
// a non-standard API to get this to libcore
InetAddress.clearDnsCache();
// Allow libcore to perform the necessary actions as it sees fit upon a network
// configuration change.
NetworkEventDispatcher.getInstance().onNetworkConfigurationChanged();
}
public void updateHttpProxy() {
ActivityThread.updateHttpProxy(
getApplication() != null ? getApplication() : getSystemContext());
}
public void processInBackground() {
mH.removeMessages(H.GC_WHEN_IDLE);
mH.sendMessage(mH.obtainMessage(H.GC_WHEN_IDLE));
}
public void dumpService(ParcelFileDescriptor pfd, IBinder servicetoken, String[] args) {
DumpComponentInfo data = new DumpComponentInfo();
try {
data.fd = pfd.dup();
data.token = servicetoken;
data.args = args;
sendMessage(H.DUMP_SERVICE, data, 0, 0, true /*async*/);
} catch (IOException e) {
Slog.w(TAG, "dumpService failed", e);
} finally {
IoUtils.closeQuietly(pfd);
}
}
// 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, int sendingUser, int processState) throws RemoteException {
updateProcessState(processState, false);
receiver.performReceive(intent, resultCode, dataStr, extras, ordered,
sticky, sendingUser);
}
@Override
public void scheduleLowMemory() {
sendMessage(H.LOW_MEMORY, null);
}
@Override
public void profilerControl(boolean start, ProfilerInfo profilerInfo, int profileType) {
sendMessage(H.PROFILER_CONTROL, profilerInfo, start ? 1 : 0, profileType);
}
@Override
public void dumpHeap(boolean managed, boolean mallocInfo, boolean runGc, String path,
ParcelFileDescriptor fd, RemoteCallback finishCallback) {
DumpHeapData dhd = new DumpHeapData();
dhd.managed = managed;
dhd.mallocInfo = mallocInfo;
dhd.runGc = runGc;
dhd.path = path;
try {
// Since we're going to dump the heap asynchronously, dup the file descriptor before
// it's closed on returning from the IPC call.
dhd.fd = fd.dup();
} catch (IOException e) {
Slog.e(TAG, "Failed to duplicate heap dump file descriptor", e);
return;
} finally {
IoUtils.closeQuietly(fd);
}
dhd.finishCallback = finishCallback;
sendMessage(H.DUMP_HEAP, dhd, 0, 0, true /*async*/);
}
public void attachAgent(String agent) {
sendMessage(H.ATTACH_AGENT, agent);
}
public void attachStartupAgents(String dataDir) {
sendMessage(H.ATTACH_STARTUP_AGENTS, dataDir);
}
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 dispatchPackageBroadcast(int cmd, String[] packages) {
sendMessage(H.DISPATCH_PACKAGE_BROADCAST, packages, cmd);
}
public void scheduleCrash(String msg) {
sendMessage(H.SCHEDULE_CRASH, msg);
}
public void dumpActivity(ParcelFileDescriptor pfd, IBinder activitytoken,
String prefix, String[] args) {
DumpComponentInfo data = new DumpComponentInfo();
try {
data.fd = pfd.dup();
data.token = activitytoken;
data.prefix = prefix;
data.args = args;
sendMessage(H.DUMP_ACTIVITY, data, 0, 0, true /*async*/);
} catch (IOException e) {
Slog.w(TAG, "dumpActivity failed", e);
} finally {
IoUtils.closeQuietly(pfd);
}
}
public void dumpProvider(ParcelFileDescriptor pfd, IBinder providertoken,
String[] args) {
DumpComponentInfo data = new DumpComponentInfo();
try {
data.fd = pfd.dup();
data.token = providertoken;
data.args = args;
sendMessage(H.DUMP_PROVIDER, data, 0, 0, true /*async*/);
} catch (IOException e) {
Slog.w(TAG, "dumpProvider failed", e);
} finally {
IoUtils.closeQuietly(pfd);
}
}
@Override
public void dumpMemInfo(ParcelFileDescriptor pfd, Debug.MemoryInfo mem, boolean checkin,
boolean dumpFullInfo, boolean dumpDalvik, boolean dumpSummaryOnly,
boolean dumpUnreachable, String[] args) {
FileOutputStream fout = new FileOutputStream(pfd.getFileDescriptor());
PrintWriter pw = new FastPrintWriter(fout);
try {
dumpMemInfo(pw, mem, checkin, dumpFullInfo, dumpDalvik, dumpSummaryOnly, dumpUnreachable);
} finally {
pw.flush();
IoUtils.closeQuietly(pfd);
}
}
private void dumpMemInfo(PrintWriter pw, Debug.MemoryInfo memInfo, boolean checkin,
boolean dumpFullInfo, boolean dumpDalvik, boolean dumpSummaryOnly, boolean dumpUnreachable) {
long nativeMax = Debug.getNativeHeapSize() / 1024;
long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
Runtime runtime = Runtime.getRuntime();
runtime.gc(); // Do GC since countInstancesOfClass counts unreachable objects.
long dalvikMax = runtime.totalMemory() / 1024;
long dalvikFree = runtime.freeMemory() / 1024;
long dalvikAllocated = dalvikMax - dalvikFree;
Class[] classesToCount = new Class[] {
ContextImpl.class,
Activity.class,
WebView.class,
OpenSSLSocketImpl.class
};
long[] instanceCounts = VMDebug.countInstancesOfClasses(classesToCount, true);
long appContextInstanceCount = instanceCounts[0];
long activityInstanceCount = instanceCounts[1];
long webviewInstanceCount = instanceCounts[2];
long openSslSocketCount = instanceCounts[3];
long viewInstanceCount = ViewDebug.getViewInstanceCount();
long viewRootInstanceCount = ViewDebug.getViewRootImplCount();
int globalAssetCount = AssetManager.getGlobalAssetCount();
int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
long parcelSize = Parcel.getGlobalAllocSize();
long parcelCount = Parcel.getGlobalAllocCount();
SQLiteDebug.PagerStats stats = SQLiteDebug.getDatabaseInfo();
dumpMemInfoTable(pw, memInfo, checkin, dumpFullInfo, dumpDalvik, dumpSummaryOnly,
Process.myPid(),
(mBoundApplication != null) ? mBoundApplication.processName : "unknown",
nativeMax, nativeAllocated, nativeFree,
dalvikMax, dalvikAllocated, dalvikFree);
if (checkin) {
// NOTE: if you change anything significant below, also consider changing
// ACTIVITY_THREAD_CHECKIN_VERSION.
// 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(stats.memoryUsed / 1024); pw.print(',');
pw.print(stats.memoryUsed / 1024); pw.print(',');
pw.print(stats.pageCacheOverflow / 1024); pw.print(',');
pw.print(stats.largestMemAlloc / 1024);
for (int i = 0; i < stats.dbStats.size(); i++) {
DbStats dbStats = stats.dbStats.get(i);
pw.print(','); pw.print(dbStats.dbName);
pw.print(','); pw.print(dbStats.pageSize);
pw.print(','); pw.print(dbStats.dbSize);
pw.print(','); pw.print(dbStats.lookaside);
pw.print(','); pw.print(dbStats.cache);
pw.print(','); pw.print(dbStats.cache);
}
pw.println();
return;
}
pw.println(" ");
pw.println(" Objects");
printRow(pw, TWO_COUNT_COLUMNS, "Views:", viewInstanceCount, "ViewRootImpl:",
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, TWO_COUNT_COLUMNS, "Parcel memory:", parcelSize/1024,
"Parcel count:", parcelCount);
printRow(pw, TWO_COUNT_COLUMNS, "Death Recipients:", binderDeathObjectCount,
"OpenSSL Sockets:", openSslSocketCount);
printRow(pw, ONE_COUNT_COLUMN, "WebViews:", webviewInstanceCount);
// SQLite mem info
pw.println(" ");
pw.println(" SQL");
printRow(pw, ONE_COUNT_COLUMN, "MEMORY_USED:", stats.memoryUsed / 1024);
printRow(pw, TWO_COUNT_COLUMNS, "PAGECACHE_OVERFLOW:",
stats.pageCacheOverflow / 1024, "MALLOC_SIZE:", stats.largestMemAlloc / 1024);
pw.println(" ");
int N = stats.dbStats.size();
if (N > 0) {
pw.println(" DATABASES");
printRow(pw, DB_INFO_FORMAT, "pgsz", "dbsz", "Lookaside(b)", "cache",
"Dbname");
for (int i = 0; i < N; i++) {
DbStats dbStats = stats.dbStats.get(i);
printRow(pw, DB_INFO_FORMAT,
(dbStats.pageSize > 0) ? String.valueOf(dbStats.pageSize) : " ",
(dbStats.dbSize > 0) ? String.valueOf(dbStats.dbSize) : " ",
(dbStats.lookaside > 0) ? String.valueOf(dbStats.lookaside) : " ",
dbStats.cache, dbStats.dbName);
}
}
// Asset details.
String assetAlloc = AssetManager.getAssetAllocations();
if (assetAlloc != null) {
pw.println(" ");
pw.println(" Asset Allocations");
pw.print(assetAlloc);
}
// Unreachable native memory
if (dumpUnreachable) {
boolean showContents = ((mBoundApplication != null)
&& ((mBoundApplication.appInfo.flags&ApplicationInfo.FLAG_DEBUGGABLE) != 0))
|| android.os.Build.IS_DEBUGGABLE;
pw.println(" ");
pw.println(" Unreachable memory");
pw.print(Debug.getUnreachableMemory(100, showContents));
}
}
@Override
public void dumpMemInfoProto(ParcelFileDescriptor pfd, Debug.MemoryInfo mem,
boolean dumpFullInfo, boolean dumpDalvik, boolean dumpSummaryOnly,
boolean dumpUnreachable, String[] args) {
ProtoOutputStream proto = new ProtoOutputStream(pfd.getFileDescriptor());
try {
dumpMemInfo(proto, mem, dumpFullInfo, dumpDalvik, dumpSummaryOnly, dumpUnreachable);
} finally {
proto.flush();
IoUtils.closeQuietly(pfd);
}
}
private void dumpMemInfo(ProtoOutputStream proto, Debug.MemoryInfo memInfo,
boolean dumpFullInfo, boolean dumpDalvik,
boolean dumpSummaryOnly, boolean dumpUnreachable) {
long nativeMax = Debug.getNativeHeapSize() / 1024;
long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
Runtime runtime = Runtime.getRuntime();
runtime.gc(); // Do GC since countInstancesOfClass counts unreachable objects.
long dalvikMax = runtime.totalMemory() / 1024;
long dalvikFree = runtime.freeMemory() / 1024;
long dalvikAllocated = dalvikMax - dalvikFree;
Class[] classesToCount = new Class[] {
ContextImpl.class,
Activity.class,
WebView.class,
OpenSSLSocketImpl.class
};
long[] instanceCounts = VMDebug.countInstancesOfClasses(classesToCount, true);
long appContextInstanceCount = instanceCounts[0];
long activityInstanceCount = instanceCounts[1];
long webviewInstanceCount = instanceCounts[2];
long openSslSocketCount = instanceCounts[3];
long viewInstanceCount = ViewDebug.getViewInstanceCount();
long viewRootInstanceCount = ViewDebug.getViewRootImplCount();
int globalAssetCount = AssetManager.getGlobalAssetCount();
int globalAssetManagerCount = AssetManager.getGlobalAssetManagerCount();
int binderLocalObjectCount = Debug.getBinderLocalObjectCount();
int binderProxyObjectCount = Debug.getBinderProxyObjectCount();
int binderDeathObjectCount = Debug.getBinderDeathObjectCount();
long parcelSize = Parcel.getGlobalAllocSize();
long parcelCount = Parcel.getGlobalAllocCount();
SQLiteDebug.PagerStats stats = SQLiteDebug.getDatabaseInfo();
final long mToken = proto.start(MemInfoDumpProto.AppData.PROCESS_MEMORY);
proto.write(MemInfoDumpProto.ProcessMemory.PID, Process.myPid());
proto.write(MemInfoDumpProto.ProcessMemory.PROCESS_NAME,
(mBoundApplication != null) ? mBoundApplication.processName : "unknown");
dumpMemInfoTable(proto, memInfo, dumpDalvik, dumpSummaryOnly,
nativeMax, nativeAllocated, nativeFree,
dalvikMax, dalvikAllocated, dalvikFree);
proto.end(mToken);
final long oToken = proto.start(MemInfoDumpProto.AppData.OBJECTS);
proto.write(MemInfoDumpProto.AppData.ObjectStats.VIEW_INSTANCE_COUNT,
viewInstanceCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.VIEW_ROOT_INSTANCE_COUNT,
viewRootInstanceCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.APP_CONTEXT_INSTANCE_COUNT,
appContextInstanceCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.ACTIVITY_INSTANCE_COUNT,
activityInstanceCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.GLOBAL_ASSET_COUNT,
globalAssetCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.GLOBAL_ASSET_MANAGER_COUNT,
globalAssetManagerCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.LOCAL_BINDER_OBJECT_COUNT,
binderLocalObjectCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.PROXY_BINDER_OBJECT_COUNT,
binderProxyObjectCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.PARCEL_MEMORY_KB,
parcelSize / 1024);
proto.write(MemInfoDumpProto.AppData.ObjectStats.PARCEL_COUNT, parcelCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.BINDER_OBJECT_DEATH_COUNT,
binderDeathObjectCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.OPEN_SSL_SOCKET_COUNT,
openSslSocketCount);
proto.write(MemInfoDumpProto.AppData.ObjectStats.WEBVIEW_INSTANCE_COUNT,
webviewInstanceCount);
proto.end(oToken);
// SQLite mem info
final long sToken = proto.start(MemInfoDumpProto.AppData.SQL);
proto.write(MemInfoDumpProto.AppData.SqlStats.MEMORY_USED_KB,
stats.memoryUsed / 1024);
proto.write(MemInfoDumpProto.AppData.SqlStats.PAGECACHE_OVERFLOW_KB,
stats.pageCacheOverflow / 1024);
proto.write(MemInfoDumpProto.AppData.SqlStats.MALLOC_SIZE_KB,
stats.largestMemAlloc / 1024);
int n = stats.dbStats.size();
for (int i = 0; i < n; i++) {
DbStats dbStats = stats.dbStats.get(i);
final long dToken = proto.start(MemInfoDumpProto.AppData.SqlStats.DATABASES);
proto.write(MemInfoDumpProto.AppData.SqlStats.Database.NAME, dbStats.dbName);
proto.write(MemInfoDumpProto.AppData.SqlStats.Database.PAGE_SIZE, dbStats.pageSize);
proto.write(MemInfoDumpProto.AppData.SqlStats.Database.DB_SIZE, dbStats.dbSize);
proto.write(MemInfoDumpProto.AppData.SqlStats.Database.LOOKASIDE_B,
dbStats.lookaside);
proto.write(MemInfoDumpProto.AppData.SqlStats.Database.CACHE, dbStats.cache);
proto.end(dToken);
}
proto.end(sToken);
// Asset details.
String assetAlloc = AssetManager.getAssetAllocations();
if (assetAlloc != null) {
proto.write(MemInfoDumpProto.AppData.ASSET_ALLOCATIONS, assetAlloc);
}
// Unreachable native memory
if (dumpUnreachable) {
int flags = mBoundApplication == null ? 0 : mBoundApplication.appInfo.flags;
boolean showContents = (flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0
|| android.os.Build.IS_DEBUGGABLE;
proto.write(MemInfoDumpProto.AppData.UNREACHABLE_MEMORY,
Debug.getUnreachableMemory(100, showContents));
}
}
@Override
public void dumpGfxInfo(ParcelFileDescriptor pfd, String[] args) {
nDumpGraphicsInfo(pfd.getFileDescriptor());
WindowManagerGlobal.getInstance().dumpGfxInfo(pfd.getFileDescriptor(), args);
IoUtils.closeQuietly(pfd);
}
@Override
public void dumpCacheInfo(ParcelFileDescriptor pfd, String[] args) {
PropertyInvalidatedCache.dumpCacheInfo(pfd.getFileDescriptor(), args);
IoUtils.closeQuietly(pfd);
}
private File getDatabasesDir(Context context) {
// There's no simple way to get the databases/ path, so do it this way.
return context.getDatabasePath("a").getParentFile();
}
private void dumpDatabaseInfo(ParcelFileDescriptor pfd, String[] args, boolean isSystem) {
PrintWriter pw = new FastPrintWriter(
new FileOutputStream(pfd.getFileDescriptor()));
PrintWriterPrinter printer = new PrintWriterPrinter(pw);
SQLiteDebug.dump(printer, args, isSystem);
pw.flush();
}
@Override
public void dumpDbInfo(final ParcelFileDescriptor pfd, final String[] args) {
if (mSystemThread) {
// Ensure this invocation is asynchronous to prevent writer waiting if buffer cannot
// be consumed. But it must duplicate the file descriptor first, since caller might
// be closing it.
final ParcelFileDescriptor dup;
try {
dup = pfd.dup();
} catch (IOException e) {
Log.w(TAG, "Could not dup FD " + pfd.getFileDescriptor().getInt$());
return;
} finally {
IoUtils.closeQuietly(pfd);
}
AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
@Override
public void run() {
try {
dumpDatabaseInfo(dup, args, true);
} finally {
IoUtils.closeQuietly(dup);
}
}
});
} else {
dumpDatabaseInfo(pfd, args, false);
IoUtils.closeQuietly(pfd);
}
}
@Override
public void unstableProviderDied(IBinder provider) {
sendMessage(H.UNSTABLE_PROVIDER_DIED, provider);
}
@Override
public void requestAssistContextExtras(IBinder activityToken, IBinder requestToken,
int requestType, int sessionId, int flags) {
RequestAssistContextExtras cmd = new RequestAssistContextExtras();
cmd.activityToken = activityToken;
cmd.requestToken = requestToken;
cmd.requestType = requestType;
cmd.sessionId = sessionId;
cmd.flags = flags;
sendMessage(H.REQUEST_ASSIST_CONTEXT_EXTRAS, cmd);
}
public void setCoreSettings(Bundle coreSettings) {
sendMessage(H.SET_CORE_SETTINGS, coreSettings);
}
public void updatePackageCompatibilityInfo(String pkg, CompatibilityInfo info) {
UpdateCompatibilityData ucd = new UpdateCompatibilityData();
ucd.pkg = pkg;
ucd.info = info;
sendMessage(H.UPDATE_PACKAGE_COMPATIBILITY_INFO, ucd);
}
public void scheduleTrimMemory(int level) {
final Runnable r = PooledLambda.obtainRunnable(ActivityThread::handleTrimMemory,
ActivityThread.this, level).recycleOnUse();
// Schedule trimming memory after drawing the frame to minimize jank-risk.
Choreographer choreographer = Choreographer.getMainThreadInstance();
if (choreographer != null) {
choreographer.postCallback(Choreographer.CALLBACK_COMMIT, r, null);
} else {
mH.post(r);
}
}
public void scheduleTranslucentConversionComplete(IBinder token, boolean drawComplete) {
sendMessage(H.TRANSLUCENT_CONVERSION_COMPLETE, token, drawComplete ? 1 : 0);
}
public void scheduleOnNewActivityOptions(IBinder token, Bundle options) {
sendMessage(H.ON_NEW_ACTIVITY_OPTIONS,
new Pair<IBinder, ActivityOptions>(token, ActivityOptions.fromBundle(options)));
}
public void setProcessState(int state) {
updateProcessState(state, true);
}
/**
* Updates { @link #mNetworkBlockSeq}. This is used by ActivityManagerService to inform
* the main thread that it needs to wait for the network rules to get updated before
* launching an activity.
*/
@Override
public void setNetworkBlockSeq(long procStateSeq) {
synchronized (mNetworkPolicyLock) {
mNetworkBlockSeq = procStateSeq;
}
}
@Override
public void scheduleInstallProvider(ProviderInfo provider) {
sendMessage(H.INSTALL_PROVIDER, provider);
}
@Override
public final void updateTimePrefs(int timeFormatPreference) {
final Boolean timeFormatPreferenceBool;
// For convenience we are using the Intent extra values.
if (timeFormatPreference == Intent.EXTRA_TIME_PREF_VALUE_USE_12_HOUR) {
timeFormatPreferenceBool = Boolean.FALSE;
} else if (timeFormatPreference == Intent.EXTRA_TIME_PREF_VALUE_USE_24_HOUR) {
timeFormatPreferenceBool = Boolean.TRUE;
} else {
// timeFormatPreference == Intent.EXTRA_TIME_PREF_VALUE_USE_LOCALE_DEFAULT
// (or unknown).
timeFormatPreferenceBool = null;
}
DateFormat.set24HourTimePref(timeFormatPreferenceBool);
}
@Override
public void scheduleEnterAnimationComplete(IBinder token) {
sendMessage(H.ENTER_ANIMATION_COMPLETE, token);
}
@Override
public void notifyCleartextNetwork(byte[] firstPacket) {
if (StrictMode.vmCleartextNetworkEnabled()) {
StrictMode.onCleartextNetworkDetected(firstPacket);
}
}
@Override
public void startBinderTracking() {
sendMessage(H.START_BINDER_TRACKING, null);
}
@Override
public void stopBinderTrackingAndDump(ParcelFileDescriptor pfd) {
try {
sendMessage(H.STOP_BINDER_TRACKING_AND_DUMP, pfd.dup());
} catch (IOException e) {
} finally {
IoUtils.closeQuietly(pfd);
}
}
@Override
public void scheduleLocalVoiceInteractionStarted(IBinder token,
IVoiceInteractor voiceInteractor) throws RemoteException {
SomeArgs args = SomeArgs.obtain();
args.arg1 = token;
args.arg2 = voiceInteractor;
sendMessage(H.LOCAL_VOICE_INTERACTION_STARTED, args);
}
@Override
public void handleTrustStorageUpdate() {
NetworkSecurityPolicy.getInstance().handleTrustStorageUpdate();
}
@Override
public void scheduleTransaction(ClientTransaction transaction) throws RemoteException {
ActivityThread.this.scheduleTransaction(transaction);
}
@Override
public void requestDirectActions(@NonNull IBinder activityToken,
@NonNull IVoiceInteractor interactor, @Nullable RemoteCallback cancellationCallback,
@NonNull RemoteCallback callback) {
final CancellationSignal cancellationSignal = new CancellationSignal();
if (cancellationCallback != null) {
final ICancellationSignal transport = createSafeCancellationTransport(
cancellationSignal);
final Bundle cancellationResult = new Bundle();
cancellationResult.putBinder(VoiceInteractor.KEY_CANCELLATION_SIGNAL,
transport.asBinder());
cancellationCallback.sendResult(cancellationResult);
}
mH.sendMessage(PooledLambda.obtainMessage(ActivityThread::handleRequestDirectActions,
ActivityThread.this, activityToken, interactor, cancellationSignal, callback));
}
@Override
public void performDirectAction(@NonNull IBinder activityToken, @NonNull String actionId,
@Nullable Bundle arguments, @Nullable RemoteCallback cancellationCallback,
@NonNull RemoteCallback resultCallback) {
final CancellationSignal cancellationSignal = new CancellationSignal();
if (cancellationCallback != null) {
final ICancellationSignal transport = createSafeCancellationTransport(
cancellationSignal);
final Bundle cancellationResult = new Bundle();
cancellationResult.putBinder(VoiceInteractor.KEY_CANCELLATION_SIGNAL,
transport.asBinder());
cancellationCallback.sendResult(cancellationResult);
}
mH.sendMessage(PooledLambda.obtainMessage(ActivityThread::handlePerformDirectAction,
ActivityThread.this, activityToken, actionId, arguments,
cancellationSignal, resultCallback));
}
}
内部类主线程Handler H extends Handler
class H extends Handler {
public static final int BIND_APPLICATION = 110;
@UnsupportedAppUsage
public static final int EXIT_APPLICATION = 111;
@UnsupportedAppUsage
public static final int RECEIVER = 113;
@UnsupportedAppUsage
public static final int CREATE_SERVICE = 114;
@UnsupportedAppUsage
public static final int SERVICE_ARGS = 115;
@UnsupportedAppUsage
public static final int STOP_SERVICE = 116;
public static final int CONFIGURATION_CHANGED = 118;
public static final int CLEAN_UP_CONTEXT = 119;
@UnsupportedAppUsage
public static final int GC_WHEN_IDLE = 120;
@UnsupportedAppUsage
public static final int BIND_SERVICE = 121;
@UnsupportedAppUsage
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 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;
@UnsupportedAppUsage
public static final int REMOVE_PROVIDER = 131;
public static final int DISPATCH_PACKAGE_BROADCAST = 133;
@UnsupportedAppUsage
public static final int SCHEDULE_CRASH = 134;
public static final int DUMP_HEAP = 135;
public static final int DUMP_ACTIVITY = 136;
public static final int SLEEPING = 137;
public static final int SET_CORE_SETTINGS = 138;
public static final int UPDATE_PACKAGE_COMPATIBILITY_INFO = 139;
@UnsupportedAppUsage
public static final int DUMP_PROVIDER = 141;
public static final int UNSTABLE_PROVIDER_DIED = 142;
public static final int REQUEST_ASSIST_CONTEXT_EXTRAS = 143;
public static final int TRANSLUCENT_CONVERSION_COMPLETE = 144;
@UnsupportedAppUsage
public static final int INSTALL_PROVIDER = 145;
public static final int ON_NEW_ACTIVITY_OPTIONS = 146;
@UnsupportedAppUsage
public static final int ENTER_ANIMATION_COMPLETE = 149;
public static final int START_BINDER_TRACKING = 150;
public static final int STOP_BINDER_TRACKING_AND_DUMP = 151;
public static final int LOCAL_VOICE_INTERACTION_STARTED = 154;
public static final int ATTACH_AGENT = 155;
public static final int APPLICATION_INFO_CHANGED = 156;
public static final int RUN_ISOLATED_ENTRY_POINT = 158;
public static final int EXECUTE_TRANSACTION = 159;
public static final int RELAUNCH_ACTIVITY = 160;
public static final int PURGE_RESOURCES = 161;
public static final int ATTACH_STARTUP_AGENTS = 162;
String codeToString(int code) {
if (DEBUG_MESSAGES) {
switch (code) {
case BIND_APPLICATION: return "BIND_APPLICATION";
case EXIT_APPLICATION: return "EXIT_APPLICATION";
case RECEIVER: return "RECEIVER";
case CREATE_SERVICE: return "CREATE_SERVICE";
case SERVICE_ARGS: return "SERVICE_ARGS";
case STOP_SERVICE: return "STOP_SERVICE";
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 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 DISPATCH_PACKAGE_BROADCAST: return "DISPATCH_PACKAGE_BROADCAST";
case SCHEDULE_CRASH: return "SCHEDULE_CRASH";
case DUMP_HEAP: return "DUMP_HEAP";
case DUMP_ACTIVITY: return "DUMP_ACTIVITY";
case SET_CORE_SETTINGS: return "SET_CORE_SETTINGS";
case UPDATE_PACKAGE_COMPATIBILITY_INFO: return "UPDATE_PACKAGE_COMPATIBILITY_INFO";
case DUMP_PROVIDER: return "DUMP_PROVIDER";
case UNSTABLE_PROVIDER_DIED: return "UNSTABLE_PROVIDER_DIED";
case REQUEST_ASSIST_CONTEXT_EXTRAS: return "REQUEST_ASSIST_CONTEXT_EXTRAS";
case TRANSLUCENT_CONVERSION_COMPLETE: return "TRANSLUCENT_CONVERSION_COMPLETE";
case INSTALL_PROVIDER: return "INSTALL_PROVIDER";
case ON_NEW_ACTIVITY_OPTIONS: return "ON_NEW_ACTIVITY_OPTIONS";
case ENTER_ANIMATION_COMPLETE: return "ENTER_ANIMATION_COMPLETE";
case LOCAL_VOICE_INTERACTION_STARTED: return "LOCAL_VOICE_INTERACTION_STARTED";
case ATTACH_AGENT: return "ATTACH_AGENT";
case APPLICATION_INFO_CHANGED: return "APPLICATION_INFO_CHANGED";
case RUN_ISOLATED_ENTRY_POINT: return "RUN_ISOLATED_ENTRY_POINT";
case EXECUTE_TRANSACTION: return "EXECUTE_TRANSACTION";
case RELAUNCH_ACTIVITY: return "RELAUNCH_ACTIVITY";
case PURGE_RESOURCES: return "PURGE_RESOURCES";
case ATTACH_STARTUP_AGENTS: return "ATTACH_STARTUP_AGENTS";
}
}
return Integer.toString(code);
}
public void handleMessage(Message msg) {
if (DEBUG_MESSAGES) Slog.v(TAG, ">>> handling: " + codeToString(msg.what));
switch (msg.what) {
case BIND_APPLICATION:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "bindApplication");
AppBindData data = (AppBindData)msg.obj;
handleBindApplication(data);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case EXIT_APPLICATION:
if (mInitialApplication != null) {
mInitialApplication.onTerminate();
}
Looper.myLooper().quit();
break;
case RECEIVER:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "broadcastReceiveComp");
handleReceiver((ReceiverData)msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case CREATE_SERVICE:
if (Trace.isTagEnabled(Trace.TRACE_TAG_ACTIVITY_MANAGER)) {
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
("serviceCreate: " + String.valueOf(msg.obj)));
}
handleCreateService((CreateServiceData)msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case BIND_SERVICE:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "serviceBind");
handleBindService((BindServiceData)msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case UNBIND_SERVICE:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "serviceUnbind");
handleUnbindService((BindServiceData)msg.obj);
schedulePurgeIdler();
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case SERVICE_ARGS:
if (Trace.isTagEnabled(Trace.TRACE_TAG_ACTIVITY_MANAGER)) {
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
("serviceStart: " + String.valueOf(msg.obj)));
}
handleServiceArgs((ServiceArgsData)msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case STOP_SERVICE:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "serviceStop");
handleStopService((IBinder)msg.obj);
schedulePurgeIdler();
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
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((DumpComponentInfo)msg.obj);
break;
case LOW_MEMORY:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "lowMemory");
handleLowMemory();
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case PROFILER_CONTROL:
handleProfilerControl(msg.arg1 != 0, (ProfilerInfo)msg.obj, msg.arg2);
break;
case CREATE_BACKUP_AGENT:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "backupCreateAgent");
handleCreateBackupAgent((CreateBackupAgentData)msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case DESTROY_BACKUP_AGENT:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "backupDestroyAgent");
handleDestroyBackupAgent((CreateBackupAgentData)msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case SUICIDE:
Process.killProcess(Process.myPid());
break;
case REMOVE_PROVIDER:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "providerRemove");
completeRemoveProvider((ProviderRefCount)msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case DISPATCH_PACKAGE_BROADCAST:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "broadcastPackage");
handleDispatchPackageBroadcast(msg.arg1, (String[])msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case SCHEDULE_CRASH:
throw new RemoteServiceException((String)msg.obj);
case DUMP_HEAP:
handleDumpHeap((DumpHeapData) msg.obj);
break;
case DUMP_ACTIVITY:
handleDumpActivity((DumpComponentInfo)msg.obj);
break;
case DUMP_PROVIDER:
handleDumpProvider((DumpComponentInfo)msg.obj);
break;
case SET_CORE_SETTINGS:
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "setCoreSettings");
handleSetCoreSettings((Bundle) msg.obj);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
break;
case UPDATE_PACKAGE_COMPATIBILITY_INFO:
handleUpdatePackageCompatibilityInfo((UpdateCompatibilityData)msg.obj);
break;
case UNSTABLE_PROVIDER_DIED:
handleUnstableProviderDied((IBinder)msg.obj, false);
break;
case REQUEST_ASSIST_CONTEXT_EXTRAS:
handleRequestAssistContextExtras((RequestAssistContextExtras)msg.obj);
break;
case TRANSLUCENT_CONVERSION_COMPLETE:
handleTranslucentConversionComplete((IBinder)msg.obj, msg.arg1 == 1);
break;
case INSTALL_PROVIDER:
handleInstallProvider((ProviderInfo) msg.obj);
break;
case ON_NEW_ACTIVITY_OPTIONS:
Pair<IBinder, ActivityOptions> pair = (Pair<IBinder, ActivityOptions>) msg.obj;
onNewActivityOptions(pair.first, pair.second);
break;
case ENTER_ANIMATION_COMPLETE:
handleEnterAnimationComplete((IBinder) msg.obj);
break;
case START_BINDER_TRACKING:
handleStartBinderTracking();
break;
case STOP_BINDER_TRACKING_AND_DUMP:
handleStopBinderTrackingAndDump((ParcelFileDescriptor) msg.obj);
break;
case LOCAL_VOICE_INTERACTION_STARTED:
handleLocalVoiceInteractionStarted((IBinder) ((SomeArgs) msg.obj).arg1,
(IVoiceInteractor) ((SomeArgs) msg.obj).arg2);
break;
case ATTACH_AGENT: {
Application app = getApplication();
handleAttachAgent((String) msg.obj, app != null ? app.mLoadedApk : null);
break;
}
case APPLICATION_INFO_CHANGED:
handleApplicationInfoChanged((ApplicationInfo) msg.obj);
break;
case RUN_ISOLATED_ENTRY_POINT:
handleRunIsolatedEntryPoint((String) ((SomeArgs) msg.obj).arg1,
(String[]) ((SomeArgs) msg.obj).arg2);
break;
case EXECUTE_TRANSACTION:
final ClientTransaction transaction = (ClientTransaction) msg.obj;
mTransactionExecutor.execute(transaction);
if (isSystem()) {
// Client transactions inside system process are recycled on the client side
// instead of ClientLifecycleManager to avoid being cleared before this
// message is handled.
transaction.recycle();
}
// TODO(lifecycler): Recycle locally scheduled transactions.
break;
case RELAUNCH_ACTIVITY:
handleRelaunchActivityLocally((IBinder) msg.obj);
break;
case PURGE_RESOURCES:
schedulePurgeIdler();
break;
case ATTACH_STARTUP_AGENTS:
handleAttachStartupAgents((String) msg.obj);
break;
}
Object obj = msg.obj;
if (obj instanceof SomeArgs) {
((SomeArgs) obj).recycle();
}
if (DEBUG_MESSAGES) Slog.v(TAG, "<<< done: " + codeToString(msg.what));
}
}
