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November 28, 2015 09:03
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| private ContextImpl(ContextImpl container, ActivityThread mainThread, | |
| LoadedApk packageInfo, IBinder activityToken, UserHandle user, boolean restricted, | |
| Display display, Configuration overrideConfiguration) { | |
| mOuterContext = this; | |
| mMainThread = mainThread; | |
| mActivityToken = activityToken; | |
| mRestricted = restricted; | |
| if (user == null) { | |
| user = Process.myUserHandle(); | |
| } | |
| mUser = user; | |
| mPackageInfo = packageInfo; | |
| mResourcesManager = ResourcesManager.getInstance(); | |
| mDisplay = display; | |
| mOverrideConfiguration = overrideConfiguration; | |
| ... | |
| } | |
| /** | |
| * System private API for communicating with the application. This is given to | |
| * the activity manager by an application when it starts up, for the activity | |
| * manager to tell the application about things it needs to do. | |
| * | |
| * {@hide} | |
| */ | |
| public interface IApplicationThread extends IInterface { | |
| void schedulePauseActivity(IBinder token, boolean finished, boolean userLeaving, | |
| int configChanges, boolean dontReport) throws RemoteException; | |
| void scheduleStopActivity(IBinder token, boolean showWindow, | |
| int configChanges) throws RemoteException; | |
| ... | |
| } | |
| /** | |
| * 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 { | |
| ... | |
| } | |
| /** | |
| * Base class for implementing application instrumentation code. When running | |
| * with instrumentation turned on, this class will be instantiated for you | |
| * before any of the application code, allowing you to monitor all of the | |
| * interaction the system has with the application. An Instrumentation | |
| * implementation is described to the system through an AndroidManifest.xml's | |
| * <instrumentation> tag. | |
| */ | |
| public class Instrumentation { | |
| ... | |
| } | |
| @Override | |
| public void startActivity(Intent intent, Bundle options) { | |
| warnIfCallingFromSystemProcess(); | |
| if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { | |
| throw new AndroidRuntimeException( | |
| "Calling startActivity() from outside of an Activity " | |
| + " context requires the FLAG_ACTIVITY_NEW_TASK flag." | |
| + " Is this really what you want?"); | |
| } | |
| mMainThread.getInstrumentation().execStartActivity( | |
| getOuterContext(), mMainThread.getApplicationThread(), null, | |
| (Activity)null, intent, -1, options); | |
| } | |
| public ActivityResult execStartActivity( | |
| Context who, IBinder contextThread, IBinder token, Activity target, | |
| Intent intent, int requestCode, Bundle options) { | |
| IApplicationThread whoThread = (IApplicationThread) contextThread; | |
| ... | |
| try { | |
| intent.migrateExtraStreamToClipData(); | |
| intent.prepareToLeaveProcess(); | |
| /* { Dual-Screen */ | |
| if (DUALSCREEN_ENABLED) { | |
| DualScreenManager.parseDualScreenLaunchParams(who, intent); | |
| } | |
| /* Dual-Screen } */ | |
| int result = ActivityManagerNative.getDefault() | |
| .startActivity(whoThread, who.getBasePackageName(), intent, | |
| intent.resolveTypeIfNeeded(who.getContentResolver()), | |
| token, target != null ? target.mEmbeddedID : null, | |
| requestCode, 0, null, options); | |
| checkStartActivityResult(result, intent); | |
| } catch (RemoteException e) { | |
| } | |
| return null; | |
| } | |
| @Override | |
| public final int startActivity(IApplicationThread caller, String callingPackage, | |
| Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, | |
| int startFlags, ProfilerInfo profilerInfo, Bundle options) { | |
| Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "startActivity"); | |
| int s = startActivityAsUser(caller, callingPackage, intent, resolvedType, resultTo, | |
| resultWho, requestCode, startFlags, profilerInfo, options, | |
| UserHandle.getCallingUserId()); | |
| Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); | |
| return s; | |
| } | |
| @Override | |
| public final int startActivityAsUser(IApplicationThread caller, String callingPackage, | |
| Intent intent, String resolvedType, IBinder resultTo, String resultWho, int requestCode, | |
| int startFlags, ProfilerInfo profilerInfo, Bundle options, int userId) { | |
| enforceNotIsolatedCaller("startActivity"); | |
| userId = handleIncomingUser(Binder.getCallingPid(), Binder.getCallingUid(), userId, | |
| false, ALLOW_FULL_ONLY, "startActivity", null); | |
| ... | |
| // TODO: Switch to user app stacks here. | |
| return mStackSupervisor.startActivityMayWait(caller, -1, callingPackage, intent, | |
| resolvedType, null, null, resultTo, resultWho, requestCode, startFlags, | |
| profilerInfo, null, null, options, userId, null, null); | |
| } | |
| final int startActivityMayWait(IApplicationThread caller, int callingUid, | |
| String callingPackage, Intent intent, String resolvedType, | |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, | |
| IBinder resultTo, String resultWho, int requestCode, int startFlags, | |
| ProfilerInfo profilerInfo, WaitResult outResult, Configuration config, | |
| Bundle options, int userId, IActivityContainer iContainer, TaskRecord inTask) { | |
| // Refuse possible leaked file descriptors | |
| if (intent != null && intent.hasFileDescriptors()) { | |
| throw new IllegalArgumentException("File descriptors passed in Intent"); | |
| } | |
| ActivityRecord sr = resultTo != null ? isInAnyStackLocked(resultTo) : null; | |
| boolean isNotFromResolverActivity = sr != null && sr.isNotResolverActivity(); | |
| boolean componentSpecified = intent.getComponent() != null && isNotFromResolverActivity; | |
| ... | |
| // Don't modify the client's object! | |
| intent = new Intent(intent); | |
| // Collect information about the target of the Intent. | |
| ActivityInfo aInfo = resolveActivity(/* { Dual-Screen */caller, /* Dual-Screen } */intent, resolvedType, startFlags, | |
| profilerInfo, userId); | |
| ActivityContainer container = (ActivityContainer)iContainer; | |
| synchronized (mService) { | |
| final int realCallingPid = Binder.getCallingPid(); | |
| final int realCallingUid = Binder.getCallingUid(); | |
| int callingPid; | |
| if (callingUid >= 0) { | |
| callingPid = -1; | |
| } else if (caller == null) { | |
| callingPid = realCallingPid; | |
| callingUid = realCallingUid; | |
| } else { | |
| callingPid = callingUid = -1; | |
| } | |
| ActivityStack stack; | |
| if (container == null || container.mStack.isOnHomeDisplay()) { | |
| stack = getFocusedStack(); | |
| } else { | |
| stack = container.mStack; | |
| } | |
| /* { Dual-Screen */ | |
| if (DUALSCREEN_ENABLED) { | |
| stack.mConfigWillChange = config != null | |
| && mService.mConfigurations.get(stack.getDisplayId()).diff(config) != 0; | |
| } else { | |
| /* Dual-Screen } */ | |
| stack.mConfigWillChange = config != null | |
| && mService.mConfiguration.diff(config) != 0; | |
| } | |
| if (DEBUG_CONFIGURATION) Slog.v(TAG, | |
| "Starting activity when config will change = " + stack.mConfigWillChange); | |
| final long origId = Binder.clearCallingIdentity(); | |
| ... | |
| int res = startActivityLocked(caller, intent, resolvedType, aInfo, | |
| voiceSession, voiceInteractor, resultTo, resultWho, | |
| requestCode, callingPid, callingUid, callingPackage, | |
| realCallingPid, realCallingUid, startFlags, options, | |
| componentSpecified, null, container, inTask); | |
| Binder.restoreCallingIdentity(origId); | |
| ... | |
| if (outResult != null) { | |
| outResult.result = res; | |
| if (res == ActivityManager.START_SUCCESS) { | |
| mWaitingActivityLaunched.add(outResult); | |
| do { | |
| try { | |
| mService.wait(); | |
| } catch (InterruptedException e) { | |
| } | |
| } while (!outResult.timeout && outResult.who == null); | |
| } else if (res == ActivityManager.START_TASK_TO_FRONT) { | |
| ActivityRecord r = stack.topRunningActivityLocked(null); | |
| if (r != null && r.nowVisible && r.state == ActivityState.RESUMED) { | |
| outResult.timeout = false; | |
| outResult.who = new ComponentName(r.info.packageName, r.info.name); | |
| outResult.totalTime = 0; | |
| outResult.thisTime = 0; | |
| } else { | |
| outResult.thisTime = SystemClock.uptimeMillis(); | |
| mWaitingActivityVisible.add(outResult); | |
| do { | |
| try { | |
| mService.wait(); | |
| } catch (InterruptedException e) { | |
| } | |
| } while (!outResult.timeout && outResult.who == null); | |
| } | |
| } | |
| } | |
| return res; | |
| } | |
| } | |
| ActivityInfo resolveActivity(IApplicationThread caller, Intent intent, String resolvedType, int startFlags, | |
| ProfilerInfo profilerInfo, int userId) { | |
| boolean displayChooserSelected = false; | |
| ProcessRecord callerApp = null; | |
| ActivityRecord callerActivityRecord = null; | |
| int callerActivitiesSize = 0; | |
| ... | |
| // Collect information about the target of the Intent. | |
| ActivityInfo aInfo; | |
| ResolveInfo rInfo = null; | |
| try { | |
| /* { Dual-Screen */ | |
| Intent queryIntent = null; | |
| ... | |
| rInfo = AppGlobals.getPackageManager().resolveIntent( | |
| intent, resolvedType, | |
| PackageManager.MATCH_DEFAULT_ONLY | |
| | ActivityManagerService.STOCK_PM_FLAGS, userId); | |
| aInfo = rInfo != null ? rInfo.activityInfo : null; | |
| ... | |
| } catch (RemoteException e) { | |
| aInfo = null; | |
| } | |
| ... | |
| if (aInfo != null) { | |
| // Store the found target back into the intent, because now that | |
| // we have it we never want to do this again. For example, if the | |
| // user navigates back to this point in the history, we should | |
| // always restart the exact same activity. | |
| ... | |
| /* Dual-Screen } */ | |
| intent.setComponent(new ComponentName( | |
| aInfo.applicationInfo.packageName, aInfo.name)); | |
| ... | |
| // Don't debug things in the system process | |
| if ((startFlags&ActivityManager.START_FLAG_DEBUG) != 0) { | |
| if (!aInfo.processName.equals("system")) { | |
| mService.setDebugApp(aInfo.processName, true, false); | |
| } | |
| } | |
| if ((startFlags&ActivityManager.START_FLAG_OPENGL_TRACES) != 0) { | |
| if (!aInfo.processName.equals("system")) { | |
| mService.setOpenGlTraceApp(aInfo.applicationInfo, aInfo.processName); | |
| } | |
| } | |
| if (profilerInfo != null) { | |
| if (!aInfo.processName.equals("system")) { | |
| mService.setProfileApp(aInfo.applicationInfo, aInfo.processName, profilerInfo); | |
| } | |
| } | |
| } | |
| return aInfo; | |
| } | |
| final int startActivityLocked(IApplicationThread caller, | |
| Intent intent, String resolvedType, ActivityInfo aInfo, | |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, | |
| IBinder resultTo, String resultWho, int requestCode, | |
| int callingPid, int callingUid, String callingPackage, | |
| int realCallingPid, int realCallingUid, int startFlags, Bundle options, | |
| boolean componentSpecified, ActivityRecord[] outActivity, ActivityContainer container, | |
| TaskRecord inTask) { | |
| int err = ActivityManager.START_SUCCESS; | |
| ProcessRecord callerApp = null; | |
| if (caller != null) { | |
| callerApp = mService.getRecordForAppLocked(caller); | |
| if (callerApp != null) { | |
| callingPid = callerApp.pid; | |
| callingUid = callerApp.info.uid; | |
| } else { | |
| Slog.w(TAG, "Unable to find app for caller " + caller | |
| + " (pid=" + callingPid + ") when starting: " | |
| + intent.toString()); | |
| err = ActivityManager.START_PERMISSION_DENIED; | |
| } | |
| } | |
| ComponentName cmp = null; | |
| String className = ""; | |
| ... | |
| final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0; //WTL_EDM | |
| if (err == ActivityManager.START_SUCCESS) { | |
| Slog.secI(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false) | |
| + "} from uid " + callingUid + " pid " + realCallingPid | |
| + " on display " + (container == null ? (mFocusedStack == null ? | |
| Display.DEFAULT_DISPLAY : mFocusedStack.mDisplayId) : | |
| (container.mActivityDisplay == null ? Display.DEFAULT_DISPLAY : | |
| container.mActivityDisplay.mDisplayId))); | |
| ... | |
| } | |
| ... | |
| ActivityRecord sourceRecord = null; | |
| ActivityRecord resultRecord = null; | |
| if (resultTo != null) { | |
| sourceRecord = isInAnyStackLocked(resultTo); | |
| if (DEBUG_RESULTS) Slog.v( | |
| TAG, "Will send result to " + resultTo + " " + sourceRecord); | |
| if (sourceRecord != null) { | |
| if (requestCode >= 0 && !sourceRecord.finishing) { | |
| resultRecord = sourceRecord; | |
| } | |
| } | |
| } | |
| final int launchFlags = intent.getFlags(); | |
| ... | |
| if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) { | |
| // We couldn't find a class that can handle the given Intent. | |
| // That's the end of that! | |
| err = ActivityManager.START_INTENT_NOT_RESOLVED; | |
| } | |
| if (err == ActivityManager.START_SUCCESS && aInfo == null) { | |
| // We couldn't find the specific class specified in the Intent. | |
| // Also the end of the line. | |
| err = ActivityManager.START_CLASS_NOT_FOUND; | |
| } | |
| ... | |
| final ActivityStack resultStack = resultRecord == null ? null : resultRecord.task.stack; | |
| if (err != ActivityManager.START_SUCCESS) { | |
| if (resultStack != null && resultRecord != null) { | |
| resultStack.sendActivityResultLocked(-1, | |
| resultRecord, resultWho, requestCode, | |
| Activity.RESULT_CANCELED, null); | |
| } | |
| ActivityOptions.abort(options); | |
| if (SecProductFeature_KNOX.SEC_PRODUCT_FEATURE_KNOX_SUPPORT_MDM) { | |
| AuditLog.logAsUser(AuditLog.NOTICE, AuditLog.AUDIT_LOG_GROUP_APPLICATION, false, | |
| android.os.Process.myPid(), this.getClass().getSimpleName(), | |
| AuditEvents.START_ACTIVITY + className + AuditEvents.FAILED, userId); | |
| } | |
| return err; | |
| } | |
| ... | |
| final int startAnyPerm = mService.checkPermission( | |
| START_ANY_ACTIVITY, callingPid, callingUid); | |
| int componentPerm = PERMISSION_DENIED; | |
| ... | |
| if (startAnyPerm != PERMISSION_GRANTED && componentPerm != PERMISSION_GRANTED) { | |
| if (resultStack != null && resultRecord != null) { | |
| resultStack.sendActivityResultLocked(-1, | |
| resultRecord, resultWho, requestCode, | |
| Activity.RESULT_CANCELED, null); | |
| } | |
| String msg; | |
| if (!aInfo.exported) { | |
| msg = "Permission Denial: starting " + intent.toString() | |
| + " from " + callerApp + " (pid=" + callingPid | |
| + ", uid=" + callingUid + ")" | |
| + " not exported from uid " + aInfo.applicationInfo.uid; | |
| } else { | |
| msg = "Permission Denial: starting " + intent.toString() | |
| + " from " + callerApp + " (pid=" + callingPid | |
| + ", uid=" + callingUid + ")" | |
| + " requires " + aInfo.permission; | |
| } | |
| Slog.w(TAG, msg); | |
| if (SecProductFeature_KNOX.SEC_PRODUCT_FEATURE_KNOX_SUPPORT_MDM) { | |
| AuditLog.logAsUser(AuditLog.NOTICE, AuditLog.AUDIT_LOG_GROUP_APPLICATION, false, | |
| android.os.Process.myPid(), this.getClass().getSimpleName(), | |
| AuditEvents.START_ACTIVITY + className + AuditEvents.FAILED, userId); | |
| } | |
| throw new SecurityException(msg); | |
| } | |
| boolean abort = !mService.mIntentFirewall.checkStartActivity(intent, callingUid, | |
| callingPid, resolvedType, aInfo.applicationInfo); | |
| if (mService.mController != null) { | |
| try { | |
| // The Intent we give to the watcher has the extra data | |
| // stripped off, since it can contain private information. | |
| Intent watchIntent = intent.cloneFilter(); | |
| abort |= !mService.mController.activityStarting(watchIntent, | |
| aInfo.applicationInfo.packageName); | |
| } catch (RemoteException e) { | |
| mService.mController = null; | |
| } | |
| } | |
| if (abort) { | |
| if (resultStack != null && resultRecord != null) { | |
| resultStack.sendActivityResultLocked(-1, resultRecord, resultWho, requestCode, | |
| Activity.RESULT_CANCELED, null); | |
| } | |
| // We pretend to the caller that it was really started, but | |
| // they will just get a cancel result. | |
| ActivityOptions.abort(options); | |
| ... | |
| return ActivityManager.START_SUCCESS; | |
| } | |
| ... | |
| ActivityRecord r; | |
| ... | |
| r = new ActivityRecord(mService, callerApp, callingUid, callingPackage, | |
| intent, resolvedType, aInfo, mService.mConfiguration, resultRecord, resultWho, | |
| requestCode, componentSpecified, this, container, options | |
| /* { Multi-Window */, sourceRecord, resultTo /* Multi-Window } */); | |
| ... | |
| if (outActivity != null) { | |
| outActivity[0] = r; | |
| } | |
| ... | |
| final ActivityStack stack = getFocusedStack(); | |
| if (voiceSession == null && (stack.mResumedActivity == null | |
| || stack.mResumedActivity.info.applicationInfo.uid != callingUid)) { | |
| if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, | |
| realCallingPid, realCallingUid, "Activity start")) { | |
| PendingActivityLaunch pal = | |
| new PendingActivityLaunch(r, sourceRecord, startFlags, stack); | |
| mPendingActivityLaunches.add(pal); | |
| ActivityOptions.abort(options); | |
| ... | |
| return ActivityManager.START_SWITCHES_CANCELED; | |
| } | |
| } | |
| ... | |
| err = startActivityUncheckedLocked(r, sourceRecord, voiceSession, voiceInteractor, | |
| startFlags, true, options, inTask); | |
| ... | |
| return err; | |
| } | |
| final int startActivityUncheckedLocked(ActivityRecord r, ActivityRecord sourceRecord, | |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, int startFlags, | |
| boolean doResume, Bundle options, TaskRecord inTask) { | |
| ... | |
| final Intent intent = r.intent; | |
| final int callingUid = r.launchedFromUid; | |
| ... | |
| // In some flows in to this function, we retrieve the task record and hold on to it | |
| // without a lock before calling back in to here... so the task at this point may | |
| // not actually be in recents. Check for that, and if it isn't in recents just | |
| // consider it invalid. | |
| if (inTask != null && !inTask.inRecents) { | |
| Slog.w(TAG, "Starting activity in task not in recents: " + inTask); | |
| inTask = null; | |
| } | |
| final boolean launchSingleTop = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP; | |
| final boolean launchSingleInstance = r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE; | |
| final boolean launchSingleTask = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK; | |
| int launchFlags = intent.getFlags(); | |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && | |
| (launchSingleInstance || launchSingleTask)) { | |
| // We have a conflict between the Intent and the Activity manifest, manifest wins. | |
| Slog.i(TAG, "Ignoring FLAG_ACTIVITY_NEW_DOCUMENT, launchMode is " + | |
| "\"singleInstance\" or \"singleTask\""); | |
| launchFlags &= | |
| ~(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | Intent.FLAG_ACTIVITY_MULTIPLE_TASK); | |
| } else { | |
| switch (r.info.documentLaunchMode) { | |
| case ActivityInfo.DOCUMENT_LAUNCH_NONE: | |
| break; | |
| case ActivityInfo.DOCUMENT_LAUNCH_INTO_EXISTING: | |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; | |
| break; | |
| case ActivityInfo.DOCUMENT_LAUNCH_ALWAYS: | |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; | |
| break; | |
| case ActivityInfo.DOCUMENT_LAUNCH_NEVER: | |
| launchFlags &= ~Intent.FLAG_ACTIVITY_MULTIPLE_TASK; | |
| break; | |
| } | |
| } | |
| final boolean launchTaskBehind = r.mLaunchTaskBehind | |
| && !launchSingleTask && !launchSingleInstance | |
| && (launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0; | |
| if (r.resultTo != null && (launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { | |
| // For whatever reason this activity is being launched into a new | |
| // task... yet the caller has requested a result back. Well, that | |
| // is pretty messed up, so instead immediately send back a cancel | |
| // and let the new task continue launched as normal without a | |
| // dependency on its originator. | |
| Slog.w(TAG, "Activity is launching as a new task, so cancelling activity result."); | |
| r.resultTo.task.stack.sendActivityResultLocked(-1, | |
| r.resultTo, r.resultWho, r.requestCode, | |
| Activity.RESULT_CANCELED, null); | |
| r.resultTo = null; | |
| } | |
| ... | |
| ActivityStack targetStack = null; | |
| ... | |
| // things about TASK management, too complicated. | |
| ... | |
| ... | |
| ActivityStack.logStartActivity(EventLogTags.AM_CREATE_ACTIVITY, r, r.task); | |
| targetStack.mLastPausedActivity = null; | |
| targetStack.startActivityLocked(r, newTask, doResume, keepCurTransition, options | |
| /* { Dual-Screen */, createdNewTask/* Dual-Screen } */); | |
| if (!launchTaskBehind) { | |
| // Don't set focus on an activity that's going to the back. | |
| mService.setFocusedActivityLocked(r, "startedActivity"); | |
| } | |
| ... | |
| return ActivityManager.START_SUCCESS; | |
| } | |
| final void startActivityLocked(ActivityRecord r, boolean newTask, | |
| boolean doResume, boolean keepCurTransition, Bundle options | |
| /* { Dual-Screen */, boolean createdNewTask/* Dual-Screen } */) { | |
| ... | |
| TaskRecord task = null; | |
| ... | |
| task = r.task; | |
| .... | |
| task.addActivityToTop(r); | |
| task.setFrontOfTask(); | |
| r.putInHistory(); | |
| ... | |
| if (!isHomeStack() || numActivities() > 0) { | |
| ... | |
| mWindowManager.addAppToken(task.mActivities.indexOf(r), | |
| r.appToken, r.task.taskId, mStackId, r.info.screenOrientation, r.fullscreen, | |
| (r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0, r.userId, | |
| r.info.configChanges, task.voiceSession != null, r.mLaunchTaskBehind | |
| /* { Multi-Window */, r.multiWindowStyle/* Multi-Window } */ | |
| ,/* { Camera Rotation */ r.skipRotationAnimation /* Camera Rotation } */, r.noDisplay); | |
| ... | |
| ... | |
| mWindowManager.setAppStartingWindow( | |
| r.appToken, r.packageName, r.theme, | |
| mService.compatibilityInfoForPackageLocked( | |
| r.info.applicationInfo), r.nonLocalizedLabel, | |
| r.labelRes, r.icon, r.logo, r.windowFlags, | |
| prev != null ? prev.appToken : null, showStartingIcon | |
| /* { CustomStartingWindow */, customStartingWindowData/* CustomStartingWindow } */ | |
| /* { Dual-Screen */, r.getDisplayId()/* Dual-Screen } */ | |
| /* { Elastic Application Framework */, r.app!= null ? r.app.userId : UserHandle.getUserId(r.appInfo.uid) /* Elastic Application Framework } */); | |
| r.mStartingWindowShown = true; | |
| ... | |
| } else { | |
| // If this is the first activity, don't do any fancy animations, | |
| // because there is nothing for it to animate on top of. | |
| mWindowManager.addAppToken(task.mActivities.indexOf(r), r.appToken, | |
| r.task.taskId, mStackId, r.info.screenOrientation, r.fullscreen, | |
| (r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0, r.userId, | |
| r.info.configChanges, task.voiceSession != null, r.mLaunchTaskBehind | |
| /* { Multi-Window */, r.multiWindowStyle/* Multi-Window } */ | |
| , /* { Camera Rotation */ r.skipRotationAnimation /* Camera Rotation } */); | |
| ActivityOptions.abort(options); | |
| options = null; | |
| } | |
| ... | |
| if (doResume) { | |
| mStackSupervisor.resumeTopActivitiesLocked(this, r, options); | |
| } | |
| } | |
| boolean resumeTopActivitiesLocked(ActivityStack targetStack, ActivityRecord target, | |
| Bundle targetOptions) { | |
| ... | |
| if (targetStack == null) { | |
| targetStack = getFocusedStack(); | |
| } | |
| // Do targetStack first. | |
| boolean result = false; | |
| ... | |
| if (isFrontStack(targetStack)) { | |
| result = targetStack.resumeTopActivityLocked(target, targetOptions); | |
| } | |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { | |
| final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; | |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { | |
| final ActivityStack stack = stacks.get(stackNdx); | |
| ... | |
| stack.resumeTopActivityLocked(null); | |
| ... | |
| } | |
| } | |
| ... | |
| return result; | |
| } | |
| final boolean resumeTopActivityLocked(ActivityRecord prev, Bundle options) { | |
| ... | |
| result = resumeTopActivityInnerLocked(prev, options); | |
| ... | |
| return result; | |
| } | |
| final boolean resumeTopActivityInnerLocked(ActivityRecord prev, Bundle options) { | |
| ... | |
| cancelInitializingActivities(); | |
| ... | |
| // We need to start pausing the current activity so the top one | |
| // can be resumed... | |
| boolean dontWaitForPause = (next.info.flags&ActivityInfo.FLAG_RESUME_WHILE_PAUSING) != 0; | |
| if (prev == null && (next.info.flags&ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0) { | |
| dontWaitForPause = false; | |
| } | |
| boolean pausing = mStackSupervisor.pauseBackStacks(userLeaving, true, dontWaitForPause); | |
| if (mResumedActivity != null) { | |
| if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: Pausing " + mResumedActivity); | |
| pausing |= startPausingLocked(userLeaving, false, true, dontWaitForPause); | |
| } | |
| ... | |
| return true; | |
| } | |
| final boolean startPausingLocked(boolean userLeaving, boolean uiSleeping, boolean resuming, | |
| boolean dontWait) { | |
| ... | |
| if (prev.app != null && prev.app.thread != null) { | |
| if (DEBUG_PAUSE) Slog.v(TAG, "Enqueueing pending pause: " + prev); | |
| try { | |
| EventLog.writeEvent(EventLogTags.AM_PAUSE_ACTIVITY, | |
| prev.userId, System.identityHashCode(prev), | |
| prev.shortComponentName, prev.multiWindowStyle.getType()); | |
| mService.updateUsageStats(prev, false); | |
| prev.app.thread.schedulePauseActivity(prev.appToken, prev.finishing, | |
| userLeaving, prev.configChangeFlags, dontWait); | |
| } catch (Exception e) { | |
| // Ignore exception, if process died other code will cleanup. | |
| Slog.w(TAG, "Exception thrown during pause", e); | |
| mPausingActivity = null; | |
| mLastPausedActivity = null; | |
| mLastNoHistoryActivity = null; | |
| ... | |
| } | |
| } else { | |
| mPausingActivity = null; | |
| mLastPausedActivity = null; | |
| mLastNoHistoryActivity = null; | |
| ... | |
| } | |
| ... | |
| if (dontWait) { | |
| // If the caller said they don't want to wait for the pause, then complete | |
| // the pause now. | |
| completePauseLocked(false, prev); | |
| return false; | |
| } else { | |
| // Schedule a pause timeout in case the app doesn't respond. | |
| // We don't give it much time because this directly impacts the | |
| // responsiveness seen by the user. | |
| Message msg = mHandler.obtainMessage(PAUSE_TIMEOUT_MSG); | |
| msg.obj = prev; | |
| prev.pauseTime = SystemClock.uptimeMillis(); | |
| mHandler.sendMessageDelayed(msg, PAUSE_TIMEOUT); | |
| if (DEBUG_PAUSE) Slog.v(TAG, "Waiting for pause to complete..."); | |
| return true; | |
| } | |
| ... | |
| } | |
| public final void schedulePauseActivity(IBinder token, boolean finished, | |
| boolean userLeaving, int configChanges, boolean dontReport) { | |
| sendMessage( | |
| finished ? H.PAUSE_ACTIVITY_FINISHING : H.PAUSE_ACTIVITY, | |
| token, | |
| (userLeaving ? 1 : 0) | (dontReport ? 2 : 0), | |
| configChanges); | |
| } | |
| //H | |
| public void handleMessage(Message msg) { | |
| ... | |
| case PAUSE_ACTIVITY: | |
| Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "activityPause"); | |
| handlePauseActivity((IBinder)msg.obj, false, (msg.arg1&1) != 0, msg.arg2, | |
| (msg.arg1&2) != 0); | |
| maybeSnapshot(); | |
| Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); | |
| break; | |
| ... | |
| } | |
| private void handlePauseActivity(IBinder token, boolean finished, | |
| boolean userLeaving, int configChanges, boolean dontReport) { | |
| 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; | |
| performPauseActivity(token, finished, r.isPreHoneycomb()); | |
| ... | |
| // Tell the activity manager we have paused. | |
| if (!dontReport) { | |
| try { | |
| ActivityManagerNative.getDefault().activityPaused(token); | |
| } catch (RemoteException ex) { | |
| } | |
| } | |
| ... | |
| } | |
| } | |
| final Bundle performPauseActivity(ActivityClientRecord r, boolean finished, | |
| boolean saveState) { | |
| ... | |
| try { | |
| // Next have the activity save its current state and managed dialogs... | |
| if (!r.activity.mFinished && saveState) { | |
| callCallActivityOnSaveInstanceState(r); | |
| } | |
| // Now we are idle. | |
| r.activity.mCalled = false; | |
| mInstrumentation.callActivityOnPause(r.activity); | |
| EventLog.writeEvent(LOG_ON_PAUSE_CALLED, UserHandle.myUserId(), | |
| 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 !r.activity.mFinished && saveState ? r.state : null; | |
| } | |
| public void callActivityOnPause(Activity activity) { | |
| activity.performPause(); | |
| } | |
| final void performPause() { | |
| mDoReportFullyDrawn = false; | |
| mFragments.dispatchPause(); | |
| ... | |
| mCalled = false; | |
| onPause(); // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
| mResumed = false; | |
| ... | |
| } | |
| @Override | |
| public final void activityPaused(IBinder token) { | |
| Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "activityPaused"); | |
| final long origId = Binder.clearCallingIdentity(); | |
| synchronized(this) { | |
| ActivityStack stack = ActivityRecord.getStackLocked(token); | |
| if (stack != null) { | |
| stack.activityPausedLocked(token, false); | |
| } | |
| } | |
| Binder.restoreCallingIdentity(origId); | |
| Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); | |
| } | |
| final void activityPausedLocked(IBinder token, boolean timeout) { | |
| if (DEBUG_PAUSE) Slog.v( | |
| TAG, "Activity paused: token=" + token + ", timeout=" + timeout); | |
| final ActivityRecord r = isInStackLocked(token); | |
| if (r != null) { | |
| mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r); | |
| if (mPausingActivity == r | |
| ... | |
| completePauseLocked(true); | |
| } else { | |
| ... | |
| EventLog.writeEvent(EventLogTags.AM_FAILED_TO_PAUSE, | |
| r.userId, System.identityHashCode(r), r.shortComponentName, | |
| mPausingActivity != null | |
| ? mPausingActivity.shortComponentName : "(none)"); | |
| } | |
| } | |
| } | |
| private void completePauseLocked(boolean resumeNext) { | |
| ActivityRecord prev = mPausingActivity; | |
| completePauseLocked(resumeNext, prev); | |
| } | |
| private void completePauseLocked(boolean resumeNext, ActivityRecord prev) { | |
| ... | |
| if (resumeNext) { | |
| final ActivityStack topStack; | |
| ... | |
| if (!mService.isSleepingOrShuttingDown()) { | |
| mStackSupervisor.resumeTopActivitiesLocked(topStack, prev, null); | |
| } else { | |
| mStackSupervisor.checkReadyForSleepLocked(); | |
| ActivityRecord top = topStack.topRunningActivityLocked(null); | |
| if (top == null || (prev != null && top != prev)) { | |
| // If there are no more activities available to run, | |
| // do resume anyway to start something. Also if the top | |
| // activity on the stack is not the just paused activity, | |
| // we need to go ahead and resume it to ensure we complete | |
| // an in-flight app switch. | |
| mStackSupervisor.resumeTopActivitiesLocked(topStack, null, null); | |
| } | |
| } | |
| ... | |
| } | |
| ... | |
| // Notfiy when the task stack has changed | |
| mService.notifyTaskStackChangedLocked(); | |
| } | |
| boolean resumeTopActivitiesLocked(ActivityStack targetStack, ActivityRecord target, | |
| Bundle targetOptions) { | |
| ... | |
| if (targetStack == null) { | |
| targetStack = getFocusedStack(); | |
| } | |
| // Do targetStack first. | |
| boolean result = false; | |
| ... | |
| if (isFrontStack(targetStack)) { | |
| result = targetStack.resumeTopActivityLocked(target, targetOptions); | |
| } | |
| ... | |
| return result; | |
| } | |
| final boolean resumeTopActivityLocked(ActivityRecord prev, Bundle options) { | |
| ... | |
| result = resumeTopActivityInnerLocked(prev, options); | |
| ... | |
| return result; | |
| } | |
| final boolean resumeTopActivityInnerLocked(ActivityRecord prev, Bundle options) { | |
| ... | |
| // Whoops, need to restart this activity! | |
| if (!next.hasBeenLaunched) { | |
| next.hasBeenLaunched = true; | |
| } else { | |
| if (SHOW_APP_STARTING_PREVIEW) { | |
| /* { CustomStartingWindow */ | |
| CustomStartingWindowData customStartingWindowData = null; | |
| if(mStackSupervisor.CUSTOM_STARTING_WINDOW && | |
| (Intent.ACTION_MAIN.equals(next.intent.getAction()) | |
| ||Intent.ACTION_DIAL.equals(next.intent.getAction()) | |
| ||Intent.ACTION_CALL_BUTTON.equals(next.intent.getAction()))) { | |
| customStartingWindowData = new CustomStartingWindowData(next.realActivity, next.info, next.userId); | |
| } | |
| /* CustomStartingWindow } */ | |
| mWindowManager.setAppStartingWindow( | |
| next.appToken, next.packageName, next.theme, | |
| mService.compatibilityInfoForPackageLocked( | |
| next.info.applicationInfo), | |
| next.nonLocalizedLabel, | |
| next.labelRes, next.icon, next.logo, next.windowFlags, | |
| null, true | |
| /* { CustomStartingWindow */, customStartingWindowData/* CustomStartingWindow } */ | |
| /* { Dual-Screen */, next.getDisplayId()/* Dual-Screen } */ | |
| /* { Elastic Application Framework */, next.app != null ? next.app.userId : UserHandle.getUserId(next.appInfo.uid) /* Elastic Application Framework } */); | |
| } | |
| if (DEBUG_SWITCH) Slog.v(TAG, "Restarting: " + next); | |
| } | |
| if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: Restarting " + next); | |
| mStackSupervisor.startSpecificActivityLocked(next, true, true); | |
| ... | |
| return true; | |
| } | |
| void startSpecificActivityLocked(ActivityRecord r, | |
| boolean andResume, boolean checkConfig) { | |
| // Is this activity's application already running? | |
| ProcessRecord app = mService.getProcessRecordLocked(r.processName, | |
| r.info.applicationInfo.uid, true); | |
| r.task.stack.setLaunchTime(r, false); | |
| if (app != null && app.thread != null) { | |
| ... | |
| try { | |
| if ((r.info.flags&ActivityInfo.FLAG_MULTIPROCESS) == 0 | |
| || !"android".equals(r.info.packageName)) { | |
| // Don't add this if it is a platform component that is marked | |
| // to run in multiple processes, because this is actually | |
| // part of the framework so doesn't make sense to track as a | |
| // separate apk in the process. | |
| app.addPackage(r.info.packageName, r.info.applicationInfo.versionCode, | |
| mService.mProcessStats); | |
| } | |
| realStartActivityLocked(r, app, andResume, checkConfig); | |
| return; | |
| } catch (RemoteException e) { | |
| Slog.w(TAG, "Exception when starting activity " | |
| + r.intent.getComponent().flattenToShortString(), e); | |
| } | |
| // If a dead object exception was thrown -- fall through to | |
| // restart the application. | |
| } | |
| r.task.stack.setLaunchTime(r, true); | |
| ... | |
| mService.startProcessLocked(r.processName, r.info.applicationInfo, true, 0, | |
| "activity", r.intent.getComponent(), false, false, true | |
| /* { Dual-Screen */, r.getDisplayId()/* Dual-Screen } */); | |
| ... | |
| } | |
| final ProcessRecord startProcessLocked(String processName, ApplicationInfo info, | |
| boolean knownToBeDead, int intentFlags, String hostingType, ComponentName hostingName, | |
| boolean allowWhileBooting, boolean isolated, int isolatedUid, boolean keepIfLarge, | |
| String abiOverride, String entryPoint, String[] entryPointArgs, Runnable crashHandler | |
| /* { Dual-Screen */, int displayId/* Dual-Screen } */) { | |
| long startTime = SystemClock.elapsedRealtime(); | |
| ProcessRecord app; | |
| if (!isolated) { | |
| app = getProcessRecordLocked(processName, info.uid, keepIfLarge); | |
| checkTime(startTime, "startProcess: after getProcessRecord"); | |
| } else { | |
| // If this is an isolated process, it can't re-use an existing process. | |
| app = null; | |
| } | |
| ... | |
| if (app == null) { | |
| checkTime(startTime, "startProcess: creating new process record"); | |
| ... | |
| app = newProcessRecordLocked(info, processName, isolated, isolatedUid); | |
| if (app == null) { | |
| Slog.w(TAG, "Failed making new process record for " | |
| + processName + "/" + info.uid + " isolated=" + isolated); | |
| return null; | |
| } | |
| app.crashHandler = crashHandler; | |
| ... | |
| mProcessNames.put(processName, app.uid, app); | |
| if (isolated) { | |
| mIsolatedProcesses.put(app.uid, app); | |
| } | |
| checkTime(startTime, "startProcess: done creating new process record"); | |
| } else { | |
| // If this is a new package in the process, add the package to the list | |
| app.addPackage(info.packageName, info.versionCode, mProcessStats); | |
| checkTime(startTime, "startProcess: added package to existing proc"); | |
| } | |
| ... | |
| checkTime(startTime, "startProcess: stepping in to startProcess"); | |
| startProcessLocked( | |
| app, hostingType, hostingNameStr, abiOverride, entryPoint, entryPointArgs); | |
| checkTime(startTime, "startProcess: done starting proc!"); | |
| return (app.pid != 0) ? app : null; | |
| } | |
| private final void startProcessLocked(ProcessRecord app, String hostingType, | |
| String hostingNameStr, String abiOverride, String entryPoint, String[] entryPointArgs) { | |
| ... | |
| Process.ProcessStartResult startResult = null; | |
| if(userid>0 && (bbcId>0 && userid == bbcId) && app.info.bbcseinfo!=null){ | |
| startResult = Process.start(entryPoint, | |
| app.processName, uid, uid, gids, debugFlags, mountExternal, | |
| app.info.targetSdkVersion, aasaSeInfo != null ? new String(aasaSeInfo) : app.info.bbcseinfo, // AASA changed orginal : only "app.info.seinfo" | |
| app.info.bbccategory, app.info.accessInfo, requiredAbi, instructionSet, | |
| app.info.dataDir, entryPointArgs); | |
| }else { | |
| startResult = Process.start(entryPoint, | |
| app.processName, uid, uid, gids, debugFlags, mountExternal, | |
| app.info.targetSdkVersion, aasaSeInfo != null ? new String(aasaSeInfo) : app.info.seinfo, // AASA changed orginal : only "app.info.seinfo" | |
| app.info.category, app.info.accessInfo, requiredAbi, instructionSet, | |
| app.info.dataDir, entryPointArgs); | |
| ... | |
| ... | |
| if (app.persistent) { | |
| Watchdog.getInstance().processStarted(app.processName, startResult.pid); | |
| } | |
| ... | |
| checkTime(startTime, "startProcess: starting to update pids map"); | |
| synchronized (mPidsSelfLocked) { | |
| this.mPidsSelfLocked.put(startResult.pid, app); | |
| if (isActivityProcess) { | |
| Message msg = mHandler.obtainMessage(PROC_START_TIMEOUT_MSG); | |
| msg.obj = app; | |
| mHandler.sendMessageDelayed(msg, startResult.usingWrapper | |
| ? PROC_START_TIMEOUT_WITH_WRAPPER : PROC_START_TIMEOUT); | |
| } | |
| } | |
| checkTime(startTime, "startProcess: done updating pids map"); | |
| ... | |
| } | |
| public static final ProcessStartResult start(final String processClass, | |
| final String niceName, | |
| int uid, int gid, int[] gids, | |
| int debugFlags, int mountExternal, | |
| int targetSdkVersion, | |
| String seInfo, | |
| int category, | |
| int accessInfo, | |
| String abi, | |
| String instructionSet, | |
| String appDataDir, | |
| String[] zygoteArgs) { | |
| try { | |
| return startViaZygote(processClass, niceName, uid, gid, gids, | |
| debugFlags, mountExternal, targetSdkVersion, seInfo, | |
| category, accessInfo, abi, instructionSet, appDataDir, zygoteArgs); | |
| } catch (ZygoteStartFailedEx ex) { | |
| Log.e(LOG_TAG, | |
| "Starting VM process through Zygote failed"); | |
| throw new RuntimeException( | |
| "Starting VM process through Zygote failed", ex); | |
| } | |
| } | |
| private static ProcessStartResult startViaZygote(final String processClass, | |
| final String niceName, | |
| final int uid, final int gid, | |
| final int[] gids, | |
| int debugFlags, int mountExternal, | |
| int targetSdkVersion, | |
| String seInfo, | |
| int category, | |
| int accessInfo, | |
| String abi, | |
| String instructionSet, | |
| String appDataDir, | |
| String[] extraArgs) | |
| throws ZygoteStartFailedEx { | |
| synchronized(Process.class) { | |
| ... | |
| return zygoteSendArgsAndGetResult(openZygoteSocketIfNeeded(abi), argsForZygote); | |
| } | |
| } | |
| private static ZygoteState openZygoteSocketIfNeeded(String abi) throws ZygoteStartFailedEx { | |
| if (primaryZygoteState == null || primaryZygoteState.isClosed()) { | |
| try { | |
| primaryZygoteState = ZygoteState.connect(ZYGOTE_SOCKET); | |
| } catch (IOException ioe) { | |
| throw new ZygoteStartFailedEx("Error connecting to primary zygote", ioe); | |
| } | |
| } | |
| if (primaryZygoteState.matches(abi)) { | |
| return primaryZygoteState; | |
| } | |
| ... | |
| } | |
| private static ProcessStartResult zygoteSendArgsAndGetResult( | |
| ZygoteState zygoteState, ArrayList<String> args) | |
| throws ZygoteStartFailedEx { | |
| try { | |
| /** | |
| * See com.android.internal.os.ZygoteInit.readArgumentList() | |
| * Presently the wire format to the zygote process is: | |
| * a) a count of arguments (argc, in essence) | |
| * b) a number of newline-separated argument strings equal to count | |
| * | |
| * After the zygote process reads these it will write the pid of | |
| * the child or -1 on failure, followed by boolean to | |
| * indicate whether a wrapper process was used. | |
| */ | |
| final BufferedWriter writer = zygoteState.writer; | |
| final DataInputStream inputStream = zygoteState.inputStream; | |
| writer.write(Integer.toString(args.size())); | |
| writer.newLine(); | |
| int sz = args.size(); | |
| for (int i = 0; i < sz; i++) { | |
| String arg = args.get(i); | |
| if (arg.indexOf('\n') >= 0) { | |
| throw new ZygoteStartFailedEx( | |
| "embedded newlines not allowed"); | |
| } | |
| writer.write(arg); | |
| writer.newLine(); | |
| } | |
| writer.flush(); | |
| // Should there be a timeout on this? | |
| ProcessStartResult result = new ProcessStartResult(); | |
| result.pid = inputStream.readInt(); | |
| if (result.pid < 0) { | |
| throw new ZygoteStartFailedEx("fork() failed"); | |
| } | |
| result.usingWrapper = inputStream.readBoolean(); | |
| return result; | |
| } catch (IOException ex) { | |
| zygoteState.close(); | |
| throw new ZygoteStartFailedEx(ex); | |
| } | |
| } | |
| //ActivityThread.java | |
| public static void main(String[] args) { | |
| ... | |
| Looper.prepareMainLooper(); | |
| ActivityThread thread = new ActivityThread(); | |
| thread.attach(false); | |
| if (sMainThreadHandler == null) { | |
| sMainThreadHandler = thread.getHandler(); | |
| } | |
| ... | |
| Looper.loop(); | |
| throw new RuntimeException("Main thread loop unexpectedly exited"); | |
| } | |
| final ApplicationThread mAppThread = new ApplicationThread(); | |
| private void attach(boolean system) { | |
| sCurrentActivityThread = this; | |
| mSystemThread = system; | |
| if (!system) { | |
| ... | |
| RuntimeInit.setApplicationObject(mAppThread.asBinder()); | |
| final IActivityManager mgr = ActivityManagerNative.getDefault(); | |
| try { | |
| mgr.attachApplication(mAppThread); | |
| } catch (RemoteException ex) { | |
| // Ignore | |
| } | |
| ... | |
| } else { | |
| ... | |
| } | |
| ... | |
| } | |
| @Override | |
| public final void attachApplication(IApplicationThread thread) { | |
| synchronized (this) { | |
| Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "attachApplication"); | |
| int callingPid = Binder.getCallingPid(); | |
| final long origId = Binder.clearCallingIdentity(); | |
| attachApplicationLocked(thread, callingPid); | |
| Binder.restoreCallingIdentity(origId); | |
| Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); | |
| } | |
| } | |
| private final boolean attachApplicationLocked(IApplicationThread thread, | |
| int pid) { | |
| // Find the application record that is being attached... either via | |
| // the pid if we are running in multiple processes, or just pull the | |
| // next app record if we are emulating process with anonymous threads. | |
| ProcessRecord app; | |
| if (pid != MY_PID && pid >= 0) { | |
| synchronized (mPidsSelfLocked) { | |
| app = mPidsSelfLocked.get(pid); | |
| } | |
| } else { | |
| app = null; | |
| } | |
| ... | |
| final String processName = app.processName; | |
| try { | |
| AppDeathRecipient adr = new AppDeathRecipient( | |
| app, pid, thread); | |
| thread.asBinder().linkToDeath(adr, 0); | |
| app.deathRecipient = adr; | |
| } catch (RemoteException e) { | |
| app.resetPackageList(mProcessStats); | |
| startProcessLocked(app, "link fail", processName); | |
| return false; | |
| } | |
| EventLog.writeEvent(EventLogTags.AM_PROC_BOUND, app.userId, app.pid, app.processName); | |
| app.makeActive(thread, mProcessStats); | |
| app.curAdj = app.setAdj = -100; | |
| app.curSchedGroup = app.setSchedGroup = Process.THREAD_GROUP_DEFAULT; | |
| app.forcingToForeground = null; | |
| updateProcessForegroundLocked(app, false, false); | |
| app.hasShownUi = false; | |
| app.debugging = false; | |
| app.cached = false; | |
| app.killedByAm = false; | |
| app.startTime = SystemClock.uptimeMillis(); // Smart-DHA | |
| mHandler.removeMessages(PROC_START_TIMEOUT_MSG, app); | |
| ... | |
| try { | |
| ... | |
| ensurePackageDexOpt(app.instrumentationInfo != null | |
| ? app.instrumentationInfo.packageName | |
| : app.info.packageName); | |
| if (app.instrumentationClass != null) { | |
| ensurePackageDexOpt(app.instrumentationClass.getPackageName()); | |
| } | |
| ... | |
| /* { SRUK DSS */ | |
| // changed the parameter to boundConfig from mConfiguration | |
| thread.bindApplication(processName, appInfo, providers, app.instrumentationClass, | |
| profilerInfo, app.instrumentationArguments, app.instrumentationWatcher, | |
| app.instrumentationUiAutomationConnection, testMode, enableOpenGlTrace, | |
| isRestrictedBackupMode || !normalMode, app.persistent, | |
| /* { Dual-Screen */ configurations /* Dual-Screen } */, | |
| app.compat, getCommonServicesLocked(app.isolated), | |
| mCoreSettingsObserver.getCoreSettingsLocked() | |
| /* { Dual-Screen */, app.displayId/* Dual-Screen } */); | |
| ... | |
| if (normalMode) { | |
| try { | |
| if (mStackSupervisor.attachApplicationLocked(app)) { | |
| didSomething = true; | |
| } | |
| } catch (Exception e) { | |
| Slog.wtf(TAG, "Exception thrown launching activities in " + app, e); | |
| badApp = true; | |
| } | |
| } | |
| ... | |
| return true; | |
| } | |
| public final void bindApplication(String processName, ApplicationInfo appInfo, | |
| List<ProviderInfo> providers, ComponentName instrumentationName, | |
| ProfilerInfo profilerInfo, Bundle instrumentationArgs, | |
| IInstrumentationWatcher instrumentationWatcher, | |
| IUiAutomationConnection instrumentationUiConnection, int debugMode, | |
| boolean enableOpenGlTrace, boolean isRestrictedBackupMode, boolean persistent, | |
| /* { Dual-Screen */ UnRestrictedArrayList<Configuration> configs/* Dual-Screen } */, CompatibilityInfo compatInfo, Map<String, IBinder> services, | |
| Bundle coreSettings /* { Dual-Screen */ , int displayId /* Dual-Screen } */) { | |
| ... | |
| /* Dual-Screen } */ | |
| sendMessage(H.BIND_APPLICATION, data); | |
| } | |
| // class H | |
| 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; | |
| private void handleBindApplication(AppBindData data) { | |
| ... | |
| final ContextImpl appContext = ContextImpl.createAppContext(this, data.info | |
| /* { Dual-Screen */,data.displayId/* Dual-Screen } */); | |
| ... | |
| 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, | |
| data.instrumentationUiAutomationConnection); | |
| ... | |
| ... | |
| Application app = data.info.makeApplication(data.restrictedBackupMode, null); | |
| mInitialApplication = app; | |
| ... | |
| try { | |
| mInstrumentation.onCreate(data.instrumentationArgs); | |
| } | |
| ... | |
| try { | |
| mInstrumentation.callApplicationOnCreate(app); | |
| } | |
| ... | |
| } | |
| public void callApplicationOnCreate(Application app) { | |
| app.onCreate(); // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
| } | |
| boolean attachApplicationLocked(ProcessRecord app) throws RemoteException { | |
| final String processName = app.processName; | |
| boolean didSomething = false; | |
| for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { | |
| ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; | |
| for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { | |
| ... | |
| ActivityRecord hr = stack.topRunningActivityLocked(null); | |
| ... | |
| try { | |
| if (realStartActivityLocked(hr, app, true, true)) { | |
| didSomething = true; | |
| } | |
| ... | |
| } | |
| } | |
| } | |
| } | |
| } | |
| ... | |
| return didSomething; | |
| } | |
| final boolean realStartActivityLocked(ActivityRecord r, | |
| ProcessRecord app, boolean andResume, boolean checkConfig) | |
| throws RemoteException { | |
| ... | |
| final ActivityStack stack = r.task.stack; | |
| try { | |
| ... | |
| app.thread.scheduleLaunchActivity(new Intent(r.intent), r.appToken, | |
| System.identityHashCode(r), r.info, new Configuration(mService.mConfiguration), | |
| r.compat, r.task.voiceInteractor, app.repProcState, r.icicle, r.persistentState, | |
| results, newIntents, !andResume, mService.isNextTransitionForward(), | |
| profilerInfo); | |
| .... | |
| } catch (RemoteException e) { | |
| } | |
| ... | |
| } | |
| public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident, | |
| ActivityInfo info, Configuration curConfig, CompatibilityInfo compatInfo, | |
| IVoiceInteractor voiceInteractor, int procState, Bundle state, | |
| PersistableBundle persistentState, List<ResultInfo> pendingResults, | |
| List<Intent> pendingNewIntents, boolean notResumed, boolean isForward, | |
| ProfilerInfo profilerInfo) { | |
| updateProcessState(procState, false); | |
| ActivityClientRecord r = new ActivityClientRecord(); | |
| ... | |
| sendMessage(H.LAUNCH_ACTIVITY, r); | |
| } | |
| // class H | |
| case LAUNCH_ACTIVITY: { | |
| Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "activityStart"); | |
| final ActivityClientRecord r = (ActivityClientRecord) msg.obj; | |
| r.packageInfo = getPackageInfoNoCheck( | |
| r.activityInfo.applicationInfo, r.compatInfo); | |
| handleLaunchActivity(r, null); | |
| Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); | |
| } break; | |
| private void handleLaunchActivity(ActivityClientRecord r, Intent customIntent) { | |
| .... | |
| Activity a = performLaunchActivity(r, customIntent); | |
| .... | |
| if (a != null) { | |
| handleResumeActivity(r.token, false, r.isForward, | |
| !r.activity.mFinished && !r.startsNotResumed); | |
| } | |
| } | |
| private Activity performLaunchActivity(ActivityClientRecord r, Intent customIntent) { | |
| .... | |
| Activity activity = null; | |
| try { | |
| java.lang.ClassLoader cl = r.packageInfo.getClassLoader(); | |
| activity = mInstrumentation.newActivity( | |
| cl, component.getClassName(), r.intent); | |
| ... | |
| } catch (Exception e) { | |
| } | |
| try { | |
| Application app = r.packageInfo.makeApplication(false, mInstrumentation); | |
| if (activity != null) { | |
| .... | |
| if (r.isPersistable()) { | |
| mInstrumentation.callActivityOnCreate(activity, r.state, r.persistentState); | |
| } else { | |
| mInstrumentation.callActivityOnCreate(activity, r.state); | |
| } | |
| } | |
| r.paused = true; | |
| mActivities.put(r.token, r); | |
| } | |
| return activity; | |
| } | |
| public void callActivityOnCreate(Activity activity, Bundle icicle) { | |
| prePerformCreate(activity); | |
| activity.performCreate(icicle); | |
| postPerformCreate(activity); | |
| } | |
| final void performCreate(Bundle icicle) { | |
| onCreate(icicle); | |
| mActivityTransitionState.readState(icicle); | |
| performCreateCommon(); | |
| } | |
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