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-rw-r--r--cmds/am/src/com/android/commands/am/Am.java21
-rw-r--r--core/java/android/app/Activity.java16
-rw-r--r--core/java/android/app/ActivityManager.java38
-rw-r--r--core/java/android/app/ActivityManagerNative.java79
-rw-r--r--core/java/android/app/IActivityManager.java16
-rw-r--r--services/core/java/com/android/server/am/ActivityManagerService.java93
-rwxr-xr-xservices/core/java/com/android/server/am/ActivityStack.java45
-rw-r--r--services/core/java/com/android/server/am/ActivityStackSupervisor.java71
8 files changed, 339 insertions, 40 deletions
diff --git a/cmds/am/src/com/android/commands/am/Am.java b/cmds/am/src/com/android/commands/am/Am.java
index 01e7615..92cb52c 100644
--- a/cmds/am/src/com/android/commands/am/Am.java
+++ b/cmds/am/src/com/android/commands/am/Am.java
@@ -114,6 +114,8 @@ public class Am extends BaseCommand {
" am stack resize <STACK_ID> <LEFT,TOP,RIGHT,BOTTOM>\n" +
" am stack list\n" +
" am stack info <STACK_ID>\n" +
+ " am lock-task <TASK_ID>\n" +
+ " am lock-task stop\n" +
"\n" +
"am start: start an Activity. Options are:\n" +
" -D: enable debugging\n" +
@@ -218,6 +220,8 @@ public class Am extends BaseCommand {
"\n" +
"am stack info: display the information about activity stack <STACK_ID>.\n" +
"\n" +
+ "am lock-task: bring <TASK_ID> to the front and don't allow other tasks to run\n" +
+ "\n" +
"<INTENT> specifications include these flags and arguments:\n" +
" [-a <ACTION>] [-d <DATA_URI>] [-t <MIME_TYPE>]\n" +
" [-c <CATEGORY> [-c <CATEGORY>] ...]\n" +
@@ -309,6 +313,8 @@ public class Am extends BaseCommand {
runStopUser();
} else if (op.equals("stack")) {
runStack();
+ } else if (op.equals("lock-task")) {
+ runLockTask();
} else {
showError("Error: unknown command '" + op + "'");
}
@@ -1641,4 +1647,19 @@ public class Am extends BaseCommand {
} catch (RemoteException e) {
}
}
+
+ private void runLockTask() throws Exception {
+ String taskIdStr = nextArgRequired();
+ try {
+ if (taskIdStr.equals("stop")) {
+ mAm.stopLockTaskMode();
+ } else {
+ int taskId = Integer.valueOf(taskIdStr);
+ mAm.startLockTaskMode(taskId);
+ }
+ System.err.println("Activity manager is " + (mAm.isInLockTaskMode() ? "" : "not ") +
+ "in lockTaskMode");
+ } catch (RemoteException e) {
+ }
+ }
}
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 287c463..606d803 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -5606,6 +5606,22 @@ public class Activity extends ContextThemeWrapper
}
}
+ /** @hide */
+ public void startLockTask() {
+ try {
+ ActivityManagerNative.getDefault().startLockTaskMode(mToken);
+ } catch (RemoteException e) {
+ }
+ }
+
+ /** @hide */
+ public void stopLockTask() {
+ try {
+ ActivityManagerNative.getDefault().stopLockTaskMode();
+ } catch (RemoteException e) {
+ }
+ }
+
/**
* Interface for informing a translucent {@link Activity} once all visible activities below it
* have completed drawing. This is necessary only after an {@link Activity} has been made
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index 7f7616f..a2183e6 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -155,6 +155,13 @@ public class ActivityManager {
public static final int START_SWITCHES_CANCELED = 4;
/**
+ * Result for IActivityManaqer.startActivity: a new activity was attempted to be started
+ * while in Lock Task Mode.
+ * @hide
+ */
+ public static final int START_RETURN_LOCK_TASK_MODE_VIOLATION = 5;
+
+ /**
* Flag for IActivityManaqer.startActivity: do special start mode where
* a new activity is launched only if it is needed.
* @hide
@@ -2232,4 +2239,35 @@ public class ActivityManager {
e.printStackTrace(pw);
}
}
+
+ /**
+ * @hide
+ */
+ public void startLockTaskMode(int taskId) {
+ try {
+ ActivityManagerNative.getDefault().startLockTaskMode(taskId);
+ } catch (RemoteException e) {
+ }
+ }
+
+ /**
+ * @hide
+ */
+ public void stopLockTaskMode() {
+ try {
+ ActivityManagerNative.getDefault().stopLockTaskMode();
+ } catch (RemoteException e) {
+ }
+ }
+
+ /**
+ * @hide
+ */
+ public boolean isInLockTaskMode() {
+ try {
+ return ActivityManagerNative.getDefault().isInLockTaskMode();
+ } catch (RemoteException e) {
+ return false;
+ }
+ }
}
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index c7c81dd..373a8a3 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -2097,6 +2097,37 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
reply.writeStrongBinder(homeActivityToken);
return true;
}
+
+ case START_LOCK_TASK_BY_TASK_ID_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ final int taskId = data.readInt();
+ startLockTaskMode(taskId);
+ reply.writeNoException();
+ return true;
+ }
+
+ case START_LOCK_TASK_BY_TOKEN_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ IBinder token = data.readStrongBinder();
+ startLockTaskMode(token);
+ reply.writeNoException();
+ return true;
+ }
+
+ case STOP_LOCK_TASK_MODE_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ stopLockTaskMode();
+ reply.writeNoException();
+ return true;
+ }
+
+ case IS_IN_LOCK_TASK_MODE_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ final boolean isInLockTaskMode = isInLockTaskMode();
+ reply.writeNoException();
+ reply.writeInt(isInLockTaskMode ? 1 : 0);
+ return true;
+ }
}
return super.onTransact(code, data, reply, flags);
@@ -4820,5 +4851,53 @@ class ActivityManagerProxy implements IActivityManager
return res;
}
+ @Override
+ public void startLockTaskMode(int taskId) throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeInt(taskId);
+ mRemote.transact(START_LOCK_TASK_BY_TASK_ID_TRANSACTION, data, reply, 0);
+ reply.readException();
+ data.recycle();
+ reply.recycle();
+ }
+
+ @Override
+ public void startLockTaskMode(IBinder token) throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeStrongBinder(token);
+ mRemote.transact(START_LOCK_TASK_BY_TOKEN_TRANSACTION, data, reply, 0);
+ reply.readException();
+ data.recycle();
+ reply.recycle();
+ }
+
+ @Override
+ public void stopLockTaskMode() throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ mRemote.transact(STOP_LOCK_TASK_MODE_TRANSACTION, data, reply, 0);
+ reply.readException();
+ data.recycle();
+ reply.recycle();
+ }
+
+ @Override
+ public boolean isInLockTaskMode() throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ mRemote.transact(IS_IN_LOCK_TASK_MODE_TRANSACTION, data, reply, 0);
+ reply.readException();
+ boolean isInLockTaskMode = reply.readInt() == 1;
+ data.recycle();
+ reply.recycle();
+ return isInLockTaskMode;
+ }
+
private IBinder mRemote;
}
diff --git a/core/java/android/app/IActivityManager.java b/core/java/android/app/IActivityManager.java
index f2cabf4..cb06a42 100644
--- a/core/java/android/app/IActivityManager.java
+++ b/core/java/android/app/IActivityManager.java
@@ -424,6 +424,18 @@ public interface IActivityManager extends IInterface {
public IBinder getHomeActivityToken() throws RemoteException;
+ /** @hide */
+ public void startLockTaskMode(int taskId) throws RemoteException;
+
+ /** @hide */
+ public void startLockTaskMode(IBinder token) throws RemoteException;
+
+ /** @hide */
+ public void stopLockTaskMode() throws RemoteException;
+
+ /** @hide */
+ public boolean isInLockTaskMode() throws RemoteException;
+
/*
* Private non-Binder interfaces
*/
@@ -719,4 +731,8 @@ public interface IActivityManager extends IInterface {
int GET_TAG_FOR_INTENT_SENDER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+210;
int START_USER_IN_BACKGROUND_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+211;
int IS_IN_HOME_STACK_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+212;
+ int START_LOCK_TASK_BY_TASK_ID_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+213;
+ int START_LOCK_TASK_BY_TOKEN_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+214;
+ int STOP_LOCK_TASK_MODE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+215;
+ int IS_IN_LOCK_TASK_MODE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+216;
}
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 128f636..cd9c920 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -7047,11 +7047,11 @@ public final class ActivityManagerService extends ActivityManagerNative
* TODO: Add mController hook
*/
@Override
- public void moveTaskToFront(int task, int flags, Bundle options) {
+ public void moveTaskToFront(int taskId, int flags, Bundle options) {
enforceCallingPermission(android.Manifest.permission.REORDER_TASKS,
"moveTaskToFront()");
- if (DEBUG_STACK) Slog.d(TAG, "moveTaskToFront: moving task=" + task);
+ if (DEBUG_STACK) Slog.d(TAG, "moveTaskToFront: moving taskId=" + taskId);
synchronized(this) {
if (!checkAppSwitchAllowedLocked(Binder.getCallingPid(),
Binder.getCallingUid(), "Task to front")) {
@@ -7060,6 +7060,14 @@ public final class ActivityManagerService extends ActivityManagerNative
}
final long origId = Binder.clearCallingIdentity();
try {
+ final TaskRecord task = mStackSupervisor.anyTaskForIdLocked(taskId);
+ if (task == null) {
+ return;
+ }
+ if (mStackSupervisor.isLockTaskModeViolation(task)) {
+ Slog.e(TAG, "moveTaskToFront: Attempt to violate Lock Task Mode");
+ return;
+ }
mStackSupervisor.findTaskToMoveToFrontLocked(task, flags, options);
} finally {
Binder.restoreCallingIdentity(origId);
@@ -7269,6 +7277,85 @@ public final class ActivityManagerService extends ActivityManagerNative
}
}
+ private boolean isLockTaskAuthorized(ComponentName name) {
+// enforceCallingPermission(android.Manifest.permission.REORDER_TASKS,
+// "startLockTaskMode()");
+// DevicePolicyManager dpm = (DevicePolicyManager)
+// mContext.getSystemService(Context.DEVICE_POLICY_SERVICE);
+// return dpm != null && dpm.isLockTaskPermitted(name);
+ return true;
+ }
+
+ private void startLockTaskMode(TaskRecord task) {
+ if (!isLockTaskAuthorized(task.intent.getComponent())) {
+ return;
+ }
+ long ident = Binder.clearCallingIdentity();
+ try {
+ synchronized (this) {
+ // Since we lost lock on task, make sure it is still there.
+ task = mStackSupervisor.anyTaskForIdLocked(task.taskId);
+ if (task != null) {
+ mStackSupervisor.setLockTaskModeLocked(task);
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ @Override
+ public void startLockTaskMode(int taskId) {
+ long ident = Binder.clearCallingIdentity();
+ try {
+ final TaskRecord task;
+ synchronized (this) {
+ task = mStackSupervisor.anyTaskForIdLocked(taskId);
+ }
+ if (task != null) {
+ startLockTaskMode(task);
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ @Override
+ public void startLockTaskMode(IBinder token) {
+ long ident = Binder.clearCallingIdentity();
+ try {
+ final TaskRecord task;
+ synchronized (this) {
+ final ActivityRecord r = ActivityRecord.forToken(token);
+ if (r == null) {
+ return;
+ }
+ task = r.task;
+ }
+ if (task != null) {
+ startLockTaskMode(task);
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ @Override
+ public void stopLockTaskMode() {
+// enforceCallingPermission(android.Manifest.permission.REORDER_TASKS,
+// "stopLockTaskMode()");
+ synchronized (this) {
+ mStackSupervisor.setLockTaskModeLocked(null);
+ }
+ }
+
+ @Override
+ public boolean isInLockTaskMode() {
+ synchronized (this) {
+ return mStackSupervisor.isInLockTaskMode();
+ }
+ }
+
// =========================================================
// THUMBNAILS
// =========================================================
@@ -16186,6 +16273,8 @@ public final class ActivityManagerService extends ActivityManagerNative
return true;
}
+ mStackSupervisor.setLockTaskModeLocked(null);
+
final UserInfo userInfo = getUserManagerLocked().getUserInfo(userId);
if (userInfo == null) {
Slog.w(TAG, "No user info for user #" + userId);
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 087ad83c..34cc22a 100755
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -36,8 +36,6 @@ import static com.android.server.am.ActivityStackSupervisor.DEBUG_SAVED_STATE;
import static com.android.server.am.ActivityStackSupervisor.DEBUG_STATES;
import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID;
-import android.os.Trace;
-import android.util.Log;
import com.android.internal.os.BatteryStatsImpl;
import com.android.server.Watchdog;
import com.android.server.am.ActivityManagerService.ItemMatcher;
@@ -2478,13 +2476,14 @@ final class ActivityStack {
}
r.makeFinishing();
+ final TaskRecord task = r.task;
EventLog.writeEvent(EventLogTags.AM_FINISH_ACTIVITY,
r.userId, System.identityHashCode(r),
- r.task.taskId, r.shortComponentName, reason);
- final ArrayList<ActivityRecord> activities = r.task.mActivities;
+ task.taskId, r.shortComponentName, reason);
+ final ArrayList<ActivityRecord> activities = task.mActivities;
final int index = activities.indexOf(r);
if (index < (activities.size() - 1)) {
- r.task.setFrontOfTask();
+ task.setFrontOfTask();
if ((r.intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) {
// If the caller asked that this activity (and all above it)
// be cleared when the task is reset, don't lose that information,
@@ -2524,6 +2523,9 @@ final class ActivityStack {
startPausingLocked(false, false);
}
+ if (endTask) {
+ mStackSupervisor.endLockTaskModeIfTaskEnding(task);
+ }
} else if (r.state != ActivityState.PAUSING) {
// If the activity is PAUSING, we will complete the finish once
// it is done pausing; else we can just directly finish it here.
@@ -3088,23 +3090,6 @@ final class ActivityStack {
}
}
- final boolean findTaskToMoveToFrontLocked(int taskId, int flags, Bundle options) {
- final TaskRecord task = taskForIdLocked(taskId);
- if (task != null) {
- if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {
- mStackSupervisor.mUserLeaving = true;
- }
- if ((flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0) {
- // Caller wants the home activity moved with it. To accomplish this,
- // we'll just indicate that this task returns to the home task.
- task.mOnTopOfHome = true;
- }
- moveTaskToFrontLocked(task, null, options);
- return true;
- }
- return false;
- }
-
final void moveTaskToFrontLocked(TaskRecord tr, ActivityRecord reason, Bundle options) {
if (DEBUG_SWITCH) Slog.v(TAG, "moveTaskToFront: " + tr);
@@ -3162,7 +3147,15 @@ final class ActivityStack {
* @return Returns true if the move completed, false if not.
*/
final boolean moveTaskToBackLocked(int taskId, ActivityRecord reason) {
- Slog.i(TAG, "moveTaskToBack: " + taskId);
+ final TaskRecord tr = taskForIdLocked(taskId);
+ if (tr == null) {
+ Slog.i(TAG, "moveTaskToBack: bad taskId=" + taskId);
+ return false;
+ }
+
+ Slog.i(TAG, "moveTaskToBack: " + tr);
+
+ mStackSupervisor.endLockTaskModeIfTaskEnding(tr);
// If we have a watcher, preflight the move before committing to it. First check
// for *other* available tasks, but if none are available, then try again allowing the
@@ -3190,11 +3183,6 @@ final class ActivityStack {
if (DEBUG_TRANSITION) Slog.v(TAG,
"Prepare to back transition: task=" + taskId);
- final TaskRecord tr = taskForIdLocked(taskId);
- if (tr == null) {
- return false;
- }
-
mTaskHistory.remove(tr);
mTaskHistory.add(0, tr);
@@ -3678,6 +3666,7 @@ final class ActivityStack {
}
void removeTask(TaskRecord task) {
+ mStackSupervisor.endLockTaskModeIfTaskEnding(task);
mWindowManager.removeTask(task.taskId);
final ActivityRecord r = mResumedActivity;
if (r != null && r.task == task) {
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index b2cf846..9315648 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -231,6 +231,10 @@ public final class ActivityStackSupervisor implements DisplayListener {
InputManagerInternal mInputManagerInternal;
+ /** If non-null then the task specified remains in front and no other tasks may be started
+ * until the task exits or #stopLockTaskMode() is called. */
+ private TaskRecord mLockTaskModeTask;
+
public ActivityStackSupervisor(ActivityManagerService service) {
mService = service;
PowerManager pm = (PowerManager)mService.mContext.getSystemService(Context.POWER_SERVICE);
@@ -1505,6 +1509,10 @@ public final class ActivityStackSupervisor implements DisplayListener {
? findTaskLocked(r)
: findActivityLocked(intent, r.info);
if (intentActivity != null) {
+ if (isLockTaskModeViolation(intentActivity.task)) {
+ Slog.e(TAG, "moveTaskToFront: Attempt to violate Lock Task Mode");
+ return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;
+ }
if (r.task == null) {
r.task = intentActivity.task;
}
@@ -1715,6 +1723,10 @@ public final class ActivityStackSupervisor implements DisplayListener {
// Should this be considered a new task?
if (r.resultTo == null && !addingToTask
&& (launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
+ if (isLockTaskModeViolation(reuseTask)) {
+ Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r);
+ return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;
+ }
targetStack = adjustStackFocus(r);
targetStack.moveToFront();
if (reuseTask == null) {
@@ -1739,6 +1751,10 @@ public final class ActivityStackSupervisor implements DisplayListener {
}
} else if (sourceRecord != null) {
TaskRecord sourceTask = sourceRecord.task;
+ if (isLockTaskModeViolation(sourceTask)) {
+ Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r);
+ return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;
+ }
targetStack = sourceTask.stack;
targetStack.moveToFront();
if (!addingToTask &&
@@ -1782,6 +1798,10 @@ public final class ActivityStackSupervisor implements DisplayListener {
// An existing activity is starting this new activity, so we want
// to keep the new one in the same task as the one that is starting
// it.
+ if (isLockTaskModeViolation(sourceTask)) {
+ Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r);
+ return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;
+ }
r.setTask(sourceTask, sourceRecord.thumbHolder, false);
if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r
+ " in existing task " + r.task + " from source " + sourceRecord);
@@ -2098,17 +2118,18 @@ public final class ActivityStackSupervisor implements DisplayListener {
}
}
- void findTaskToMoveToFrontLocked(int taskId, int flags, Bundle options) {
- 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) {
- if (stacks.get(stackNdx).findTaskToMoveToFrontLocked(taskId, flags, options)) {
- if (DEBUG_STACK) Slog.d(TAG, "findTaskToMoveToFront: moved to front of stack="
- + stacks.get(stackNdx));
- return;
- }
- }
+ void findTaskToMoveToFrontLocked(TaskRecord task, int flags, Bundle options) {
+ if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {
+ mUserLeaving = true;
}
+ if ((flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0) {
+ // Caller wants the home activity moved with it. To accomplish this,
+ // we'll just indicate that this task returns to the home task.
+ task.mOnTopOfHome = true;
+ }
+ task.stack.moveTaskToFrontLocked(task, null, options);
+ if (DEBUG_STACK) Slog.d(TAG, "findTaskToMoveToFront: moved to front of stack="
+ + task.stack);
}
ActivityStack getStack(int stackId) {
@@ -2288,6 +2309,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
}
}
checkReadyForSleepLocked();
+ setLockTaskModeLocked(null);
}
boolean shutdownLocked(int timeout) {
@@ -2872,6 +2894,35 @@ public final class ActivityStackSupervisor implements DisplayListener {
return list;
}
+ void setLockTaskModeLocked(TaskRecord task) {
+ if (task == null) {
+ // Take out of lock task mode.
+ mLockTaskModeTask = null;
+ return;
+ }
+ if (isLockTaskModeViolation(task)) {
+ Slog.e(TAG, "setLockTaskMode: Attempt to start a second Lock Task Mode task.");
+ return;
+ }
+ mLockTaskModeTask = task;
+ findTaskToMoveToFrontLocked(task, 0, null);
+ resumeTopActivitiesLocked();
+ }
+
+ boolean isLockTaskModeViolation(TaskRecord task) {
+ return mLockTaskModeTask != null && mLockTaskModeTask != task;
+ }
+
+ void endLockTaskModeIfTaskEnding(TaskRecord task) {
+ if (mLockTaskModeTask != null && mLockTaskModeTask == task) {
+ mLockTaskModeTask = null;
+ }
+ }
+
+ boolean isInLockTaskMode() {
+ return mLockTaskModeTask != null;
+ }
+
private final class ActivityStackSupervisorHandler extends Handler {
public ActivityStackSupervisorHandler(Looper looper) {
generated by cgit v1.1 at 2024-09-09 10:51:22 +0000