Support for specifying stack to launch an activity from recents in. (7e8184b0) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityManagerNative.java

+8 −4

Original line number	Diff line number	Diff line
		@@ -330,9 +330,11 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		case START_ACTIVITY_FROM_RECENTS_TRANSACTION:
		{
		data.enforceInterface(IActivityManager.descriptor);
		int taskId = data.readInt();
		Bundle options = data.readInt() == 0 ? null : Bundle.CREATOR.createFromParcel(data);
		int result = startActivityFromRecents(taskId, options);
		final int taskId = data.readInt();
		final int launchStackId = data.readInt();
		final Bundle options =
		data.readInt() == 0 ? null : Bundle.CREATOR.createFromParcel(data);
		final int result = startActivityFromRecents(taskId, launchStackId, options);
		reply.writeNoException();
		reply.writeInt(result);
		return true;
		@@ -2984,11 +2986,13 @@ class ActivityManagerProxy implements IActivityManager
		data.recycle();
		return result != 0;
		}
		public int startActivityFromRecents(int taskId, Bundle options) throws RemoteException {
		public int startActivityFromRecents(int taskId, int launchStackId, Bundle options)
		throws RemoteException {
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		data.writeInterfaceToken(IActivityManager.descriptor);
		data.writeInt(taskId);
		data.writeInt(launchStackId);
		if (options == null) {
		data.writeInt(0);
		} else {

core/java/android/app/IActivityManager.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -92,7 +92,8 @@ public interface IActivityManager extends IInterface {
		int userId) throws RemoteException;
		public boolean startNextMatchingActivity(IBinder callingActivity,
		Intent intent, Bundle options) throws RemoteException;
		public int startActivityFromRecents(int taskId, Bundle options) throws RemoteException;
		public int startActivityFromRecents(int taskId, int launchStackId, Bundle options)
		throws RemoteException;
		public boolean finishActivity(IBinder token, int code, Intent data, int finishTask)
		throws RemoteException;
		public void finishSubActivity(IBinder token, String resultWho, int requestCode) throws RemoteException;

packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java

+7 −3

Original line number	Diff line number	Diff line
		@@ -16,6 +16,9 @@

		package com.android.systemui.recents.misc;

		import static android.app.ActivityManager.DOCKED_STACK_ID;
		import static android.app.ActivityManager.INVALID_STACK_ID;

		import android.app.ActivityManager;
		import android.app.ActivityManagerNative;
		import android.app.ActivityOptions;
		@@ -297,7 +300,7 @@ public class SystemServicesProxy {
		if (mIam == null) return;

		try {
		mIam.moveTaskToDockedStack(taskId, createMode, true);
		mIam.startActivityFromRecents(taskId, DOCKED_STACK_ID, null);
		} catch (RemoteException e) {
		e.printStackTrace();
		}
		@@ -335,7 +338,7 @@ public class SystemServicesProxy {

		ActivityManager.StackInfo stackInfo = null;
		try {
		stackInfo = mIam.getStackInfo(ActivityManager.DOCKED_STACK_ID);
		stackInfo = mIam.getStackInfo(DOCKED_STACK_ID);
		} catch (RemoteException e) {
		e.printStackTrace();
		}
		@@ -722,7 +725,8 @@ public class SystemServicesProxy {
		ActivityOptions options) {
		if (mIam != null) {
		try {
		mIam.startActivityFromRecents(taskId, options == null ? null : options.toBundle());
		mIam.startActivityFromRecents(
		taskId, INVALID_STACK_ID, options == null ? null : options.toBundle());
		return true;
		} catch (Exception e) {
		Console.logError(context,

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package com.android.systemui.statusbar.phone;

		import static android.app.ActivityManager.INVALID_STACK_ID;

		import android.animation.LayoutTransition;
		import android.annotation.Nullable;
		import android.app.ActivityManager;
		@@ -742,9 +744,9 @@ class NavigationBarApps extends LinearLayout

		private void activateTask(int taskPersistentId) {
		// Launch or bring the activity to front.
		IActivityManager manager = ActivityManagerNative.getDefault();
		final IActivityManager iAm = ActivityManagerNative.getDefault();
		try {
		manager.startActivityFromRecents(taskPersistentId, null /* options */);
		iAm.startActivityFromRecents(taskPersistentId, INVALID_STACK_ID, null /* options */);
		} catch (RemoteException e) {
		Slog.e(TAG, "Exception when activating a recent task", e);
		} catch (IllegalArgumentException e) {

services/core/java/com/android/server/am/ActivityManagerService.java

+27 −10

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST;
		import static com.android.server.am.ActivityManagerDebugConfig.*;
		import static com.android.server.am.ActivityStackSupervisor.FORCE_FOCUS;
		import static com.android.server.am.ActivityStackSupervisor.ON_TOP;
		import static com.android.server.am.ActivityStackSupervisor.RESTORE_FROM_RECENTS;
		import static com.android.server.am.ActivityStackSupervisor.PRESERVE_WINDOWS;
		import static com.android.server.am.TaskRecord.INVALID_TASK_ID;
		import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_DONT_LOCK;
		@@ -4188,27 +4189,39 @@ public final class ActivityManagerService extends ActivityManagerNative
		}

		@Override
		public final int startActivityFromRecents(int taskId, Bundle options) {
		public final int startActivityFromRecents(int taskId, int launchStackId, Bundle options) {
		if (checkCallingPermission(START_TASKS_FROM_RECENTS) != PackageManager.PERMISSION_GRANTED) {
		String msg = "Permission Denial: startActivityFromRecents called without " +
		START_TASKS_FROM_RECENTS;
		Slog.w(TAG, msg);
		throw new SecurityException(msg);
		}
		return startActivityFromRecentsInner(taskId, options);
		return startActivityFromRecentsInner(taskId, launchStackId, options);
		}

		final int startActivityFromRecentsInner(int taskId, Bundle options) {
		final int startActivityFromRecentsInner(int taskId, int launchStackId, Bundle options) {
		final TaskRecord task;
		final int callingUid;
		final String callingPackage;
		final Intent intent;
		final int userId;
		synchronized (this) {
		task = mStackSupervisor.anyTaskForIdLocked(taskId);
		if (launchStackId == HOME_STACK_ID) {
		throw new IllegalArgumentException("startActivityFromRecentsInner: Task "
		+ taskId + " can't be launch in the home stack.");
		}

		task = mStackSupervisor.anyTaskForIdLocked(taskId, RESTORE_FROM_RECENTS, launchStackId);
		if (task == null) {
		throw new IllegalArgumentException("Task " + taskId + " not found.");
		throw new IllegalArgumentException(
		"startActivityFromRecentsInner: Task " + taskId + " not found.");
		}

		if (launchStackId != INVALID_STACK_ID && task.stack.mStackId != launchStackId) {
		mStackSupervisor.moveTaskToStackUncheckedLocked(
		task, launchStackId, ON_TOP, FORCE_FOCUS, "startActivityFromRecents");
		}

		if (task.getRootActivity() != null) {
		moveTaskToFrontLocked(task.taskId, 0, options);
		return ActivityManager.START_TASK_TO_FRONT;
		@@ -8550,7 +8563,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		synchronized (this) {
		enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER,
		"getTaskThumbnail()");
		TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(id, false);
		final TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(
		id, !RESTORE_FROM_RECENTS, INVALID_STACK_ID);
		if (tr != null) {
		return tr.getTaskThumbnailLocked();
		}
		@@ -8663,7 +8677,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		@Override
		public void setTaskResizeable(int taskId, boolean resizeable) {
		synchronized (this) {
		TaskRecord task = mStackSupervisor.anyTaskForIdLocked(taskId, false);
		final TaskRecord task = mStackSupervisor.anyTaskForIdLocked(
		taskId, !RESTORE_FROM_RECENTS, INVALID_STACK_ID);
		if (task == null) {
		Slog.w(TAG, "setTaskResizeable: taskId=" + taskId + " not found");
		return;
		@@ -8874,7 +8889,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		* @return Returns true if the given task was found and removed.
		*/
		private boolean removeTaskByIdLocked(int taskId, boolean killProcess) {
		TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(taskId, false);
		final TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(
		taskId, !RESTORE_FROM_RECENTS, INVALID_STACK_ID);
		if (tr != null) {
		tr.removeTaskActivitiesLocked();
		cleanUpRemovedTaskLocked(tr, killProcess);
		@@ -9203,7 +9219,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		long ident = Binder.clearCallingIdentity();
		try {
		synchronized (this) {
		TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(taskId, false);
		final TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(
		taskId, !RESTORE_FROM_RECENTS, INVALID_STACK_ID);
		return tr != null && tr.stack != null && tr.stack.isHomeStack();
		}
		} finally {
		@@ -21071,7 +21088,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		public void moveToFront() {
		checkCaller();
		// Will bring task to front if it already has a root activity.
		startActivityFromRecentsInner(mTaskId, null);
		startActivityFromRecentsInner(mTaskId, INVALID_STACK_ID, null);
		}

		@Override