android.app
Class ActivityThread

java.lang.Object
  android.app.ActivityThread

public final class ActivityThread
extends Object

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.

Nested Class Summary

(package private) class	ActivityThread.GcIdler
static class	ActivityThread.PackageInfo

Field Summary

(package private) HashMap<String,WeakReference<Resources>>	mActiveResources
(package private) HashMap<IBinder,android.app.ActivityThread.ActivityRecord>	mActivities
(package private) ArrayList<Application>	mAllApplications
(package private) android.app.ActivityThread.ApplicationThread	mAppThread
(package private) android.app.ActivityThread.AppBindData	mBoundApplication
(package private) Configuration	mConfiguration
(package private) Display	mDisplay
(package private) ActivityThread.GcIdler	mGcIdler
(package private) boolean	mGcIdlerScheduled
(package private) android.app.ActivityThread.H	mH
(package private) Application	mInitialApplication
(package private) Instrumentation	mInstrumentation
(package private) String	mInstrumentationAppDir
(package private) String	mInstrumentationAppPackage
(package private) String	mInstrumentedAppDir
(package private) HashMap<IBinder,android.app.ActivityThread.ProviderRecord>	mLocalProviders
(package private) Looper	mLooper
(package private) android.app.ActivityThread.ActivityRecord	mNewActivities
(package private) int	mNumVisibleActivities
(package private) HashMap<String,WeakReference<ActivityThread.PackageInfo>>	mPackages
(package private) Configuration	mPendingConfiguration
(package private) HashMap<String,android.app.ActivityThread.ProviderRecord>	mProviderMap
(package private) HashMap<IBinder,android.app.ActivityThread.ProviderRefCount>	mProviderRefCountMap
(package private) ArrayList<android.app.ActivityThread.ActivityRecord>	mRelaunchingActivities Activities that are enqueued to be relaunched.
(package private) HashMap<String,WeakReference<ActivityThread.PackageInfo>>	mResourcePackages
(package private) HashMap<IBinder,Service>	mServices
(package private) boolean	mSystemThread
(package private) static IPackageManager	sPackageManager
(package private) static ThreadLocal	sThreadLocal

Constructor Summary

ActivityThread()

Method Summary

IContentProvider	acquireProvider(Context c, String name)
(package private) ArrayList<ComponentCallbacks>	collectComponentCallbacksLocked(boolean allActivities, Configuration newConfig)
static ActivityThread	currentActivityThread()
static String	currentPackageName()
(package private) void	doGcIfNeeded()
(package private) void	finishInstrumentation(int resultCode, Bundle results)
Activity	getActivity(IBinder token)
Application	getApplication()
android.app.ActivityThread.ApplicationThread	getApplicationThread()
Configuration	getConfiguration()
(package private) DisplayMetrics	getDisplayMetricsLocked()
(package private) Handler	getHandler()
Instrumentation	getInstrumentation()
Looper	getLooper()
ActivityThread.PackageInfo	getPackageInfo(ApplicationInfo ai, int flags)
ActivityThread.PackageInfo	getPackageInfo(String packageName, int flags)
ActivityThread.PackageInfo	getPackageInfoNoCheck(ApplicationInfo ai)
static IPackageManager	getPackageManager()
String	getProfileFilePath()
ApplicationContext	getSystemContext()
(package private) Resources	getTopLevelResources(String appDir)
(package private) void	handleActivityConfigurationChanged(IBinder token)
(package private) void	handleConfigurationChanged(Configuration config)
(package private) void	handleLowMemory()
(package private) void	handleResumeActivity(IBinder token, boolean clearHide)
boolean	hasPackageInfo(String packageName)
void	installSystemProviders(List providers)
boolean	isProfiling()
static void	main(String[] args)
android.app.ActivityThread.ActivityRecord	performDestroyActivity(IBinder token, boolean finishing)
void	performNewIntents(IBinder token, List<Intent> intents)
(package private) Bundle	performPauseActivity(android.app.ActivityThread.ActivityRecord r, boolean finished, boolean saveState)
(package private) Bundle	performPauseActivity(IBinder token, boolean finished, boolean saveState)
(package private) void	performRestartActivity(IBinder token)
android.app.ActivityThread.ActivityRecord	performResumeActivity(IBinder token, boolean clearHide)
(package private) void	performStopActivity(IBinder token)
boolean	releaseProvider(IContentProvider provider)
(package private) void	removeDeadProvider(String name, IContentProvider provider)
(package private) void	removeDeadProviderLocked(String name, IContentProvider provider)
void	removeProviderLocked(IContentProvider provider)
ActivityInfo	resolveActivityInfo(Intent intent)
(package private) void	scheduleContextCleanup(ApplicationContext context, String who, String what)
(package private) void	scheduleGcIdler()
void	sendActivityResult(IBinder token, String id, int requestCode, int resultCode, Intent data)
Activity	startActivityNow(Activity parent, String id, Intent intent, ActivityInfo activityInfo, IBinder token, Bundle state)
Activity	startActivityNow(Activity parent, String id, Intent intent, IBinder token, Bundle state)
static ActivityThread	systemMain()
(package private) void	unscheduleGcIdler()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sPackageManager

static IPackageManager sPackageManager

mAppThread

final android.app.ActivityThread.ApplicationThread mAppThread

mLooper

final Looper mLooper

mH

final android.app.ActivityThread.H mH

mActivities

final HashMap<IBinder,android.app.ActivityThread.ActivityRecord> mActivities

mNewActivities

android.app.ActivityThread.ActivityRecord mNewActivities

mNumVisibleActivities

int mNumVisibleActivities

mServices

final HashMap<IBinder,Service> mServices

mBoundApplication

android.app.ActivityThread.AppBindData mBoundApplication

mConfiguration

Configuration mConfiguration

mInitialApplication

Application mInitialApplication

mAllApplications

final ArrayList<Application> mAllApplications

sThreadLocal

static final ThreadLocal sThreadLocal

mInstrumentation

Instrumentation mInstrumentation

mInstrumentationAppDir

String mInstrumentationAppDir

mInstrumentationAppPackage

String mInstrumentationAppPackage

mInstrumentedAppDir

String mInstrumentedAppDir

mSystemThread

boolean mSystemThread

mRelaunchingActivities

final ArrayList<android.app.ActivityThread.ActivityRecord> mRelaunchingActivities

Activities that are enqueued to be relaunched. This list is accessed by multiple threads, so you must synchronize on it when accessing it.

mPendingConfiguration

Configuration mPendingConfiguration

mPackages

final HashMap<String,WeakReference<ActivityThread.PackageInfo>> mPackages

mResourcePackages

final HashMap<String,WeakReference<ActivityThread.PackageInfo>> mResourcePackages

mDisplay

Display mDisplay

mActiveResources

HashMap<String,WeakReference<Resources>> mActiveResources

mProviderMap

final HashMap<String,android.app.ActivityThread.ProviderRecord> mProviderMap

mProviderRefCountMap

final HashMap<IBinder,android.app.ActivityThread.ProviderRefCount> mProviderRefCountMap

mLocalProviders

final HashMap<IBinder,android.app.ActivityThread.ProviderRecord> mLocalProviders

mGcIdler

final ActivityThread.GcIdler mGcIdler

mGcIdlerScheduled

boolean mGcIdlerScheduled

Constructor Detail

ActivityThread

ActivityThread()

Method Detail

currentActivityThread

public static final ActivityThread currentActivityThread()

currentPackageName

public static final String currentPackageName()

getPackageManager

public static IPackageManager getPackageManager()

getDisplayMetricsLocked

DisplayMetrics getDisplayMetricsLocked()

getTopLevelResources

Resources getTopLevelResources(String appDir)

getHandler

final Handler getHandler()

getPackageInfo

public final ActivityThread.PackageInfo getPackageInfo(String packageName,
                                                       int flags)

getPackageInfo

public final ActivityThread.PackageInfo getPackageInfo(ApplicationInfo ai,
                                                       int flags)

getPackageInfoNoCheck

public final ActivityThread.PackageInfo getPackageInfoNoCheck(ApplicationInfo ai)

hasPackageInfo

public final boolean hasPackageInfo(String packageName)

getApplicationThread

public android.app.ActivityThread.ApplicationThread getApplicationThread()

getInstrumentation

public Instrumentation getInstrumentation()

getConfiguration

public Configuration getConfiguration()

isProfiling

public boolean isProfiling()

getProfileFilePath

public String getProfileFilePath()

getLooper

public Looper getLooper()

getApplication

public Application getApplication()

getSystemContext

public ApplicationContext getSystemContext()

scheduleGcIdler

void scheduleGcIdler()

unscheduleGcIdler

void unscheduleGcIdler()

doGcIfNeeded

void doGcIfNeeded()

resolveActivityInfo

public final ActivityInfo resolveActivityInfo(Intent intent)

startActivityNow

public final Activity startActivityNow(Activity parent,
                                       String id,
                                       Intent intent,
                                       IBinder token,
                                       Bundle state)

startActivityNow

public final Activity startActivityNow(Activity parent,
                                       String id,
                                       Intent intent,
                                       ActivityInfo activityInfo,
                                       IBinder token,
                                       Bundle state)

getActivity

public final Activity getActivity(IBinder token)

sendActivityResult

public final void sendActivityResult(IBinder token,
                                     String id,
                                     int requestCode,
                                     int resultCode,
                                     Intent data)

scheduleContextCleanup

final void scheduleContextCleanup(ApplicationContext context,
                                  String who,
                                  String what)

performNewIntents

public final void performNewIntents(IBinder token,
                                    List<Intent> intents)

performResumeActivity

public final android.app.ActivityThread.ActivityRecord performResumeActivity(IBinder token,
                                                                             boolean clearHide)

handleResumeActivity

final void handleResumeActivity(IBinder token,
                                boolean clearHide)

performPauseActivity

final Bundle performPauseActivity(IBinder token,
                                  boolean finished,
                                  boolean saveState)

performPauseActivity

final Bundle performPauseActivity(android.app.ActivityThread.ActivityRecord r,
                                  boolean finished,
                                  boolean saveState)

performStopActivity

final void performStopActivity(IBinder token)

performRestartActivity

final void performRestartActivity(IBinder token)

performDestroyActivity

public final android.app.ActivityThread.ActivityRecord performDestroyActivity(IBinder token,
                                                                              boolean finishing)

collectComponentCallbacksLocked

ArrayList<ComponentCallbacks> collectComponentCallbacksLocked(boolean allActivities,
                                                              Configuration newConfig)

handleConfigurationChanged

final void handleConfigurationChanged(Configuration config)

handleActivityConfigurationChanged

final void handleActivityConfigurationChanged(IBinder token)

handleLowMemory

final void handleLowMemory()

finishInstrumentation

final void finishInstrumentation(int resultCode,
                                 Bundle results)

acquireProvider

public final IContentProvider acquireProvider(Context c,
                                              String name)

releaseProvider

public final boolean releaseProvider(IContentProvider provider)

removeProviderLocked

public final void removeProviderLocked(IContentProvider provider)

removeDeadProvider

final void removeDeadProvider(String name,
                              IContentProvider provider)

removeDeadProviderLocked

final void removeDeadProviderLocked(String name,
                                    IContentProvider provider)

systemMain

public static final ActivityThread systemMain()

installSystemProviders

public final void installSystemProviders(List providers)

main

public static final void main(String[] args)