Handle app dying. (f88c50f8) · Commits · e / os / android_frameworks_base

services/java/com/android/server/am/ActivityStack.java

+42 −15

Original line number	Diff line number	Diff line
		@@ -532,6 +532,25 @@ final class ActivityStack {
		return null;
		}

		boolean containsApp(ProcessRecord app) {
		if (app == null) {
		return false;
		}
		for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
		final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
		for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
		final ActivityRecord r = activities.get(activityNdx);
		if (r.finishing) {
		continue;
		}
		if (r.app == app) {
		return true;
		}
		}
		}
		return false;
		}

		final boolean updateLRUListLocked(ActivityRecord r) {
		final boolean hadit = mLRUActivities.remove(r);
		mLRUActivities.add(r);
		@@ -1359,7 +1378,8 @@ final class ActivityStack {
		// We need to start pausing the current activity so the top one
		// can be resumed...
		final ActivityStack lastStack = mStackSupervisor.getLastStack();
		if ((isHomeStack() ^ lastStack.isHomeStack()) && lastStack.mResumedActivity != null) {
		if (lastStack != null && (isHomeStack() ^ lastStack.isHomeStack()) &&
		lastStack.mResumedActivity != null) {
		// TODO: Don't pause when launching to the sibling task.
		if (DEBUG_SWITCH) Slog.v(TAG, "Skip resume: need to start pausing");
		// At this point we want to put the upcoming activity's process
		@@ -1493,7 +1513,8 @@ final class ActivityStack {
		// schedule launch ticks to collect information about slow apps.
		next.startLaunchTickingLocked();

		ActivityRecord lastResumedActivity = lastStack.mResumedActivity;
		ActivityRecord lastResumedActivity =
		lastStack == null ? null :lastStack.mResumedActivity;
		ActivityState lastState = next.state;

		mService.updateCpuStats();
		@@ -1579,21 +1600,20 @@ final class ActivityStack {
		if (DEBUG_STATES) Slog.v(TAG, "Resume failed; resetting state to "
		+ lastState + ": " + next);
		next.state = lastState;
		if (lastStack != null) {
		lastStack.mResumedActivity = lastResumedActivity;
		}
		Slog.i(TAG, "Restarting because process died: " + next);
		if (!next.hasBeenLaunched) {
		next.hasBeenLaunched = true;
		} else {
		if (SHOW_APP_STARTING_PREVIEW && mStackSupervisor.isFrontStack(lastStack)) {
		} else if (SHOW_APP_STARTING_PREVIEW && lastStack != null &&
		mStackSupervisor.isFrontStack(lastStack)) {
		mService.mWindowManager.setAppStartingWindow(
		next.appToken, next.packageName, next.theme,
		mService.compatibilityInfoForPackageLocked(
		next.info.applicationInfo),
		next.nonLocalizedLabel,
		next.labelRes, next.icon, next.windowFlags,
		mService.compatibilityInfoForPackageLocked(next.info.applicationInfo),
		next.nonLocalizedLabel, next.labelRes, next.icon, next.windowFlags,
		null, true);
		}
		}
		mStackSupervisor.startSpecificActivityLocked(next, true, false);
		return true;
		}
		@@ -1780,7 +1800,7 @@ final class ActivityStack {
		}

		if (doResume) {
		mStackSupervisor.resumeTopActivitiesLocked();
		mStackSupervisor.resumeTopActivityLocked();
		}
		}

		@@ -3723,6 +3743,10 @@ final class ActivityStack {
		}

		void handleAppDiedLocked(ProcessRecord app, boolean restarting) {
		if (!containsApp(app)) {
		return;
		}
		// TODO: handle the case where an app spans multiple stacks.
		if (mPausingActivity != null && mPausingActivity.app == app) {
		if (DEBUG_PAUSE \|\| DEBUG_CLEANUP) Slog.v(TAG,
		"App died while pausing: " + mPausingActivity);
		@@ -3736,7 +3760,10 @@ final class ActivityStack {
		boolean hasVisibleActivities = removeHistoryRecordsForAppLocked(app);

		if (!restarting) {
		if (!mStackSupervisor.getTopStack().resumeTopActivityLocked(null)) {
		ActivityStack stack = mStackSupervisor.getTopStack();
		if (stack == null) {
		mStackSupervisor.resumeHomeActivity(null);
		} else if (!stack.resumeTopActivityLocked(null)) {
		// If there was nothing to resume, and we are not already
		// restarting this process, but there is a visible activity that
		// is hosted by the process... then make sure all visible

services/java/com/android/server/am/ActivityStackSupervisor.java

+10 −12

Original line number	Diff line number	Diff line
		@@ -147,6 +147,9 @@ public class ActivityStackSupervisor {
		}

		ActivityStack getTopStack() {
		if (mFocusedStack == null) {
		return mHomeStack;
		}
		switch (mStackState) {
		case STACK_STATE_HOME_IN_FRONT:
		case STACK_STATE_HOME_TO_FRONT:
		@@ -378,15 +381,6 @@ public class ActivityStackSupervisor {
		return null;
		}

		void resumeTopActivitiesLocked() {
		for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
		final ActivityStack stack = mStacks.get(stackNdx);
		if (isFrontStack(stack)) {
		stack.resumeTopActivityLocked(null);
		}
		}
		}

		ActivityRecord getTasksLocked(int maxNum, IThumbnailReceiver receiver,
		PendingThumbnailsRecord pending, List<RunningTaskInfo> list) {
		ActivityRecord r = null;
		@@ -1501,9 +1495,10 @@ public class ActivityStackSupervisor {
		// This not being started from an existing activity, and not part
		// of a new task... just put it in the top task, though these days
		// this case should never happen.
		targetStack = getLastStack();
		ActivityStack lastStack = getLastStack();
		targetStack = lastStack != null ? lastStack : mHomeStack;
		moveHomeStack(targetStack.isHomeStack());
		ActivityRecord prev = targetStack.topActivity();
		ActivityRecord prev = lastStack == null ? null : targetStack.topActivity();
		r.setTask(prev != null ? prev.task
		: targetStack.createTaskRecord(getNextTaskId(), r.info, intent, true),
		null, true);
		@@ -1556,7 +1551,10 @@ public class ActivityStackSupervisor {

		void resumeTopActivityLocked() {
		for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
		mStacks.get(stackNdx).resumeTopActivityLocked(null);
		final ActivityStack stack = mStacks.get(stackNdx);
		if (isFrontStack(stack)) {
		stack.resumeTopActivityLocked(null);
		}
		}
		}