Google Git
Sign in
android / platform / frameworks / base / 41c4da37ed9fc69eb53787f2d458d6d0a51225a9 / . / services / core / java / com / android / server / wm / ActivityStackSupervisor.java
blob: 19916bc617f44f48d9e74de0c00fd68bf3ac1626 [file] [log] [blame]
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.wm;
import static android.Manifest.permission.ACTIVITY_EMBEDDING;
import static android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
import static android.Manifest.permission.START_ANY_ACTIVITY;
import static android.app.ActivityManager.LOCK_TASK_MODE_LOCKED;
import static android.app.ActivityManager.START_DELIVERED_TO_TOP;
import static android.app.ActivityManager.START_FLAG_DEBUG;
import static android.app.ActivityManager.START_FLAG_NATIVE_DEBUGGING;
import static android.app.ActivityManager.START_FLAG_TRACK_ALLOCATION;
import static android.app.ActivityManager.START_TASK_TO_FRONT;
import static android.app.ITaskStackListener.FORCED_RESIZEABLE_REASON_SECONDARY_DISPLAY;
import static android.app.ITaskStackListener.FORCED_RESIZEABLE_REASON_SPLIT_SCREEN;
import static android.app.WaitResult.INVALID_DELAY;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
import static android.content.pm.PackageManager.NOTIFY_PACKAGE_USE_ACTIVITY;
import static android.content.pm.PackageManager.PERMISSION_DENIED;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static android.graphics.Rect.copyOrNull;
import static android.os.PowerManager.PARTIAL_WAKE_LOCK;
import static android.os.Process.SYSTEM_UID;
import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
import static android.view.Display.DEFAULT_DISPLAY;
import static android.view.Display.INVALID_DISPLAY;
import static android.view.Display.TYPE_VIRTUAL;
import static android.view.WindowManager.TRANSIT_DOCK_TASK_FROM_RECENTS;
import static com.android.server.wm.ActivityStack.ActivityState.PAUSED;
import static com.android.server.wm.ActivityStack.ActivityState.PAUSING;
import static com.android.server.wm.ActivityStack.REMOVE_TASK_MODE_MOVING;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_ALL;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_IDLE;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_PAUSE;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_RECENTS;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_STACK;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_STATES;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_SWITCH;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_TASKS;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_IDLE;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_PAUSE;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_RECENTS;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_STACK;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_SWITCH;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_TASKS;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_ATM;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_WITH_CLASS_NAME;
import static com.android.server.wm.ActivityTaskManagerService.ANIMATE;
import static com.android.server.wm.ActivityTaskManagerService.H.FIRST_SUPERVISOR_STACK_MSG;
import static com.android.server.wm.ActivityTaskManagerService.RELAUNCH_REASON_NONE;
import static com.android.server.wm.RootActivityContainer.MATCH_TASK_IN_STACKS_ONLY;
import static com.android.server.wm.RootActivityContainer.MATCH_TASK_IN_STACKS_OR_RECENT_TASKS;
import static com.android.server.wm.RootActivityContainer.MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE;
import static com.android.server.wm.RootActivityContainer.TAG_STATES;
import static com.android.server.wm.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE;
import static com.android.server.wm.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE_PRIV;
import static com.android.server.wm.TaskRecord.LOCK_TASK_AUTH_WHITELISTED;
import static com.android.server.wm.TaskRecord.REPARENT_KEEP_STACK_AT_FRONT;
import static com.android.server.wm.TaskRecord.REPARENT_LEAVE_STACK_IN_PLACE;
import static com.android.server.wm.TaskRecord.REPARENT_MOVE_STACK_TO_FRONT;
import android.Manifest;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.ActivityManagerInternal;
import android.app.ActivityOptions;
import android.app.AppOpsManager;
import android.app.ProfilerInfo;
import android.app.ResultInfo;
import android.app.WaitResult;
import android.app.servertransaction.ActivityLifecycleItem;
import android.app.servertransaction.ClientTransaction;
import android.app.servertransaction.LaunchActivityItem;
import android.app.servertransaction.PauseActivityItem;
import android.app.servertransaction.ResumeActivityItem;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.UserInfo;
import android.content.res.Configuration;
import android.graphics.Rect;
import android.os.Binder;
import android.os.Bundle;
import android.os.Debug;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.PowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.SystemClock;
import android.os.Trace;
import android.os.UserHandle;
import android.os.UserManager;
import android.os.WorkSource;
import android.provider.MediaStore;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.EventLog;
import android.util.MergedConfiguration;
import android.util.Slog;
import android.util.SparseArray;
import android.util.SparseIntArray;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.content.ReferrerIntent;
import com.android.internal.os.TransferPipe;
import com.android.internal.os.logging.MetricsLoggerWrapper;
import com.android.internal.util.ArrayUtils;
import com.android.internal.util.function.pooled.PooledLambda;
import com.android.server.am.ActivityManagerService;
import com.android.server.am.EventLogTags;
import com.android.server.am.UserState;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
// TODO: This class has become a dumping ground. Let's
// - Move things relating to the hierarchy to RootWindowContainer
// - Move things relating to activity life cycles to maybe a new class called ActivityLifeCycler
// - Move interface things to ActivityTaskManagerService.
// - All other little things to other files.
public class ActivityStackSupervisor implements RecentTasks.Callbacks {
private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStackSupervisor" : TAG_ATM;
private static final String TAG_IDLE = TAG + POSTFIX_IDLE;
private static final String TAG_PAUSE = TAG + POSTFIX_PAUSE;
private static final String TAG_RECENTS = TAG + POSTFIX_RECENTS;
private static final String TAG_STACK = TAG + POSTFIX_STACK;
private static final String TAG_SWITCH = TAG + POSTFIX_SWITCH;
static final String TAG_TASKS = TAG + POSTFIX_TASKS;
/** How long we wait until giving up on the last activity telling us it is idle. */
static final int IDLE_TIMEOUT = 10 * 1000;
/** How long we can hold the sleep wake lock before giving up. */
static final int SLEEP_TIMEOUT = 5 * 1000;
// How long we can hold the launch wake lock before giving up.
static final int LAUNCH_TIMEOUT = 10 * 1000;
/** How long we wait until giving up on the activity telling us it released the top state. */
static final int TOP_RESUMED_STATE_LOSS_TIMEOUT = 500;
static final int IDLE_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG;
static final int IDLE_NOW_MSG = FIRST_SUPERVISOR_STACK_MSG + 1;
static final int RESUME_TOP_ACTIVITY_MSG = FIRST_SUPERVISOR_STACK_MSG + 2;
static final int SLEEP_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 3;
static final int LAUNCH_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 4;
static final int LAUNCH_TASK_BEHIND_COMPLETE = FIRST_SUPERVISOR_STACK_MSG + 12;
static final int RESTART_ACTIVITY_PROCESS_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 13;
static final int REPORT_MULTI_WINDOW_MODE_CHANGED_MSG = FIRST_SUPERVISOR_STACK_MSG + 14;
static final int REPORT_PIP_MODE_CHANGED_MSG = FIRST_SUPERVISOR_STACK_MSG + 15;
static final int REPORT_HOME_CHANGED_MSG = FIRST_SUPERVISOR_STACK_MSG + 16;
static final int TOP_RESUMED_STATE_LOSS_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 17;
// Used to indicate that windows of activities should be preserved during the resize.
static final boolean PRESERVE_WINDOWS = true;
// Used to indicate if an object (e.g. task) should be moved/created
// at the top of its container (e.g. stack).
static final boolean ON_TOP = true;
// Don't execute any calls to resume.
static final boolean DEFER_RESUME = true;
// Used to indicate that a task is removed it should also be removed from recents.
static final boolean REMOVE_FROM_RECENTS = true;
// Used to indicate that pausing an activity should occur immediately without waiting for
// the activity callback indicating that it has completed pausing
static final boolean PAUSE_IMMEDIATELY = true;
/** True if the docked stack is currently being resized. */
private boolean mDockedStackResizing;
/**
* True if there are pending docked bounds that need to be applied after
* {@link #mDockedStackResizing} is reset to false.
*/
private boolean mHasPendingDockedBounds;
private Rect mPendingDockedBounds;
private Rect mPendingTempDockedTaskBounds;
private Rect mPendingTempDockedTaskInsetBounds;
private Rect mPendingTempOtherTaskBounds;
private Rect mPendingTempOtherTaskInsetBounds;
// Activity actions an app cannot start if it uses a permission which is not granted.
private static final ArrayMap<String, String> ACTION_TO_RUNTIME_PERMISSION =
new ArrayMap<>();
static {
ACTION_TO_RUNTIME_PERMISSION.put(MediaStore.ACTION_IMAGE_CAPTURE,
Manifest.permission.CAMERA);
ACTION_TO_RUNTIME_PERMISSION.put(MediaStore.ACTION_VIDEO_CAPTURE,
Manifest.permission.CAMERA);
ACTION_TO_RUNTIME_PERMISSION.put(Intent.ACTION_CALL,
Manifest.permission.CALL_PHONE);
}
/** Action restriction: launching the activity is not restricted. */
private static final int ACTIVITY_RESTRICTION_NONE = 0;
/** Action restriction: launching the activity is restricted by a permission. */
private static final int ACTIVITY_RESTRICTION_PERMISSION = 1;
/** Action restriction: launching the activity is restricted by an app op. */
private static final int ACTIVITY_RESTRICTION_APPOP = 2;
// For debugging to make sure the caller when acquiring/releasing our
// wake lock is the system process.
static final boolean VALIDATE_WAKE_LOCK_CALLER = false;
/** The number of distinct task ids that can be assigned to the tasks of a single user */
private static final int MAX_TASK_IDS_PER_USER = UserHandle.PER_USER_RANGE;
final ActivityTaskManagerService mService;
RootActivityContainer mRootActivityContainer;
/** The historial list of recent tasks including inactive tasks */
RecentTasks mRecentTasks;
/** Helper class to abstract out logic for fetching the set of currently running tasks */
RunningTasks mRunningTasks;
final ActivityStackSupervisorHandler mHandler;
final Looper mLooper;
/** Short cut */
WindowManagerService mWindowManager;
/** Common synchronization logic used to save things to disks. */
PersisterQueue mPersisterQueue;
LaunchParamsPersister mLaunchParamsPersister;
private LaunchParamsController mLaunchParamsController;
/**
* Maps the task identifier that activities are currently being started in to the userId of the
* task. Each time a new task is created, the entry for the userId of the task is incremented
*/
private final SparseIntArray mCurTaskIdForUser = new SparseIntArray(20);
/** List of processes waiting to find out when a specific activity becomes visible. */
private final ArrayList<WaitInfo> mWaitingForActivityVisible = new ArrayList<>();
/** List of processes waiting to find out about the next launched activity. */
final ArrayList<WaitResult> mWaitingActivityLaunched = new ArrayList<>();
/** List of activities that are ready to be stopped, but waiting for the next activity to
* settle down before doing so. */
final ArrayList<ActivityRecord> mStoppingActivities = new ArrayList<>();
/** List of activities that are ready to be finished, but waiting for the previous activity to
* settle down before doing so. It contains ActivityRecord objects. */
final ArrayList<ActivityRecord> mFinishingActivities = new ArrayList<>();
/** List of activities that are in the process of going to sleep. */
final ArrayList<ActivityRecord> mGoingToSleepActivities = new ArrayList<>();
/** List of activities whose multi-window mode changed that we need to report to the
* application */
final ArrayList<ActivityRecord> mMultiWindowModeChangedActivities = new ArrayList<>();
/** List of activities whose picture-in-picture mode changed that we need to report to the
* application */
final ArrayList<ActivityRecord> mPipModeChangedActivities = new ArrayList<>();
/**
* Animations that for the current transition have requested not to
* be considered for the transition animation.
*/
final ArrayList<ActivityRecord> mNoAnimActivities = new ArrayList<>();
/**
* Cached value of the topmost resumed activity in the system. Updated when new activity is
* resumed.
*/
private ActivityRecord mTopResumedActivity;
/**
* Flag indicating whether we're currently waiting for the previous top activity to handle the
* loss of the state and report back before making new activity top resumed.
*/
private boolean mTopResumedActivityWaitingForPrev;
/** The target stack bounds for the picture-in-picture mode changed that we need to report to
* the application */
Rect mPipModeChangedTargetStackBounds;
/** Used on user changes */
final ArrayList<UserState> mStartingUsers = new ArrayList<>();
/** Set to indicate whether to issue an onUserLeaving callback when a newly launched activity
* is being brought in front of us. */
boolean mUserLeaving = false;
/**
* We don't want to allow the device to go to sleep while in the process
* of launching an activity. This is primarily to allow alarm intent
* receivers to launch an activity and get that to run before the device
* goes back to sleep.
*/
PowerManager.WakeLock mLaunchingActivityWakeLock;
/**
* Set when the system is going to sleep, until we have
* successfully paused the current activity and released our wake lock.
* At that point the system is allowed to actually sleep.
*/
PowerManager.WakeLock mGoingToSleepWakeLock;
/**
* Temporary rect used during docked stack resize calculation so we don't need to create a new
* object each time.
*/
private final Rect tempRect = new Rect();
private final ActivityOptions mTmpOptions = ActivityOptions.makeBasic();
private ActivityMetricsLogger mActivityMetricsLogger;
/** Check if placing task or activity on specified display is allowed. */
boolean canPlaceEntityOnDisplay(int displayId, int callingPid, int callingUid,
ActivityInfo activityInfo) {
if (displayId == DEFAULT_DISPLAY) {
// No restrictions for the default display.
return true;
}
if (!mService.mSupportsMultiDisplay) {
// Can't launch on secondary displays if feature is not supported.
return false;
}
if (!isCallerAllowedToLaunchOnDisplay(callingPid, callingUid, displayId, activityInfo)) {
// Can't place activities to a display that has restricted launch rules.
// In this case the request should be made by explicitly adding target display id and
// by caller with corresponding permissions. See #isCallerAllowedToLaunchOnDisplay().
return false;
}
return true;
}
/**
* Used to keep track whether app visibilities got changed since the last pause. Useful to
* determine whether to invoke the task stack change listener after pausing.
*/
boolean mAppVisibilitiesChangedSinceLastPause;
/**
* Set of tasks that are in resizing mode during an app transition to fill the "void".
*/
private final ArraySet<Integer> mResizingTasksDuringAnimation = new ArraySet<>();
/**
* If set to {@code false} all calls to resize the docked stack {@link #resizeDockedStackLocked}
* will be ignored. Useful for the case where the caller is handling resizing of other stack and
* moving tasks around and doesn't want dock stack to be resized due to an automatic trigger
* like the docked stack going empty.
*/
private boolean mAllowDockedStackResize = true;
private KeyguardController mKeyguardController;
private PowerManager mPowerManager;
private int mDeferResumeCount;
private boolean mInitialized;
/**
* Description of a request to start a new activity, which has been held
* due to app switches being disabled.
*/
static class PendingActivityLaunch {
final ActivityRecord r;
final ActivityRecord sourceRecord;
final int startFlags;
final ActivityStack stack;
final WindowProcessController callerApp;
PendingActivityLaunch(ActivityRecord _r, ActivityRecord _sourceRecord,
int _startFlags, ActivityStack _stack, WindowProcessController app) {
r = _r;
sourceRecord = _sourceRecord;
startFlags = _startFlags;
stack = _stack;
callerApp = app;
}
void sendErrorResult(String message) {
try {
if (callerApp != null && callerApp.hasThread()) {
callerApp.getThread().scheduleCrash(message);
}
} catch (RemoteException e) {
Slog.e(TAG, "Exception scheduling crash of failed "
+ "activity launcher sourceRecord=" + sourceRecord, e);
}
}
}
public ActivityStackSupervisor(ActivityTaskManagerService service, Looper looper) {
mService = service;
mLooper = looper;
mHandler = new ActivityStackSupervisorHandler(looper);
}
public void initialize() {
if (mInitialized) {
return;
}
mInitialized = true;
mRunningTasks = createRunningTasks();
mActivityMetricsLogger = new ActivityMetricsLogger(this, mService.mContext,
mHandler.getLooper());
mKeyguardController = new KeyguardController(mService, this);
mPersisterQueue = new PersisterQueue();
mLaunchParamsPersister = new LaunchParamsPersister(mPersisterQueue, this);
mLaunchParamsController = new LaunchParamsController(mService, mLaunchParamsPersister);
mLaunchParamsController.registerDefaultModifiers(this);
}
void onSystemReady() {
mLaunchParamsPersister.onSystemReady();
}
void onUserUnlocked(int userId) {
// Only start persisting when the first user is unlocked. The method call is
// idempotent so there is no side effect to call it again when the second user is
// unlocked.
mPersisterQueue.startPersisting();
mLaunchParamsPersister.onUnlockUser(userId);
}
public ActivityMetricsLogger getActivityMetricsLogger() {
return mActivityMetricsLogger;
}
public KeyguardController getKeyguardController() {
return mKeyguardController;
}
void setRecentTasks(RecentTasks recentTasks) {
mRecentTasks = recentTasks;
mRecentTasks.registerCallback(this);
}
@VisibleForTesting
RunningTasks createRunningTasks() {
return new RunningTasks();
}
/**
* At the time when the constructor runs, the power manager has not yet been
* initialized. So we initialize our wakelocks afterwards.
*/
void initPowerManagement() {
mPowerManager = mService.mContext.getSystemService(PowerManager.class);
mGoingToSleepWakeLock = mPowerManager
.newWakeLock(PARTIAL_WAKE_LOCK, "ActivityManager-Sleep");
mLaunchingActivityWakeLock = mPowerManager.newWakeLock(PARTIAL_WAKE_LOCK, "*launch*");
mLaunchingActivityWakeLock.setReferenceCounted(false);
}
void setWindowManager(WindowManagerService wm) {
mWindowManager = wm;
getKeyguardController().setWindowManager(wm);
}
void moveRecentsStackToFront(String reason) {
final ActivityStack recentsStack = mRootActivityContainer.getDefaultDisplay().getStack(
WINDOWING_MODE_UNDEFINED, ACTIVITY_TYPE_RECENTS);
if (recentsStack != null) {
recentsStack.moveToFront(reason);
}
}
void setNextTaskIdForUserLocked(int taskId, int userId) {
final int currentTaskId = mCurTaskIdForUser.get(userId, -1);
if (taskId > currentTaskId) {
mCurTaskIdForUser.put(userId, taskId);
}
}
static int nextTaskIdForUser(int taskId, int userId) {
int nextTaskId = taskId + 1;
if (nextTaskId == (userId + 1) * MAX_TASK_IDS_PER_USER) {
// Wrap around as there will be smaller task ids that are available now.
nextTaskId -= MAX_TASK_IDS_PER_USER;
}
return nextTaskId;
}
int getNextTaskIdForUserLocked(int userId) {
final int currentTaskId = mCurTaskIdForUser.get(userId, userId * MAX_TASK_IDS_PER_USER);
// for a userId u, a taskId can only be in the range
// [u*MAX_TASK_IDS_PER_USER, (u+1)*MAX_TASK_IDS_PER_USER-1], so if MAX_TASK_IDS_PER_USER
// was 10, user 0 could only have taskIds 0 to 9, user 1: 10 to 19, user 2: 20 to 29, so on.
int candidateTaskId = nextTaskIdForUser(currentTaskId, userId);
while (mRecentTasks.containsTaskId(candidateTaskId, userId)
|| mRootActivityContainer.anyTaskForId(
candidateTaskId, MATCH_TASK_IN_STACKS_OR_RECENT_TASKS) != null) {
candidateTaskId = nextTaskIdForUser(candidateTaskId, userId);
if (candidateTaskId == currentTaskId) {
// Something wrong!
// All MAX_TASK_IDS_PER_USER task ids are taken up by running tasks for this user
throw new IllegalStateException("Cannot get an available task id."
+ " Reached limit of " + MAX_TASK_IDS_PER_USER
+ " running tasks per user.");
}
}
mCurTaskIdForUser.put(userId, candidateTaskId);
return candidateTaskId;
}
void waitActivityVisible(ComponentName name, WaitResult result, long startTimeMs) {
final WaitInfo waitInfo = new WaitInfo(name, result, startTimeMs);
mWaitingForActivityVisible.add(waitInfo);
}
void cleanupActivity(ActivityRecord r) {
// Make sure this record is no longer in the pending finishes list.
// This could happen, for example, if we are trimming activities
// down to the max limit while they are still waiting to finish.
mFinishingActivities.remove(r);
stopWaitingForActivityVisible(r);
}
void stopWaitingForActivityVisible(ActivityRecord r) {
boolean changed = false;
for (int i = mWaitingForActivityVisible.size() - 1; i >= 0; --i) {
final WaitInfo w = mWaitingForActivityVisible.get(i);
if (w.matches(r.mActivityComponent)) {
final WaitResult result = w.getResult();
changed = true;
result.timeout = false;
result.who = w.getComponent();
result.totalTime = SystemClock.uptimeMillis() - w.getStartTime();
mWaitingForActivityVisible.remove(w);
}
}
if (changed) {
mService.mGlobalLock.notifyAll();
}
}
void reportWaitingActivityLaunchedIfNeeded(ActivityRecord r, int result) {
if (mWaitingActivityLaunched.isEmpty()) {
return;
}
if (result != START_DELIVERED_TO_TOP && result != START_TASK_TO_FRONT) {
return;
}
boolean changed = false;
for (int i = mWaitingActivityLaunched.size() - 1; i >= 0; i--) {
WaitResult w = mWaitingActivityLaunched.remove(i);
if (w.who == null) {
changed = true;
w.result = result;
// Unlike START_TASK_TO_FRONT, When an intent is delivered to top, there
// will be no followup launch signals. Assign the result and launched component.
if (result == START_DELIVERED_TO_TOP) {
w.who = r.mActivityComponent;
}
}
}
if (changed) {
mService.mGlobalLock.notifyAll();
}
}
void reportActivityLaunchedLocked(boolean timeout, ActivityRecord r, long totalTime,
@WaitResult.LaunchState int launchState) {
boolean changed = false;
for (int i = mWaitingActivityLaunched.size() - 1; i >= 0; i--) {
WaitResult w = mWaitingActivityLaunched.remove(i);
if (w.who == null) {
changed = true;
w.timeout = timeout;
if (r != null) {
w.who = new ComponentName(r.info.packageName, r.info.name);
}
w.totalTime = totalTime;
w.launchState = launchState;
// Do not modify w.result.
}
}
if (changed) {
mService.mGlobalLock.notifyAll();
}
}
ActivityInfo resolveActivity(Intent intent, ResolveInfo rInfo, int startFlags,
ProfilerInfo profilerInfo) {
final ActivityInfo aInfo = rInfo != null ? rInfo.activityInfo : 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.
intent.setComponent(new ComponentName(
aInfo.applicationInfo.packageName, aInfo.name));
// Don't debug things in the system process
if (!aInfo.processName.equals("system")) {
if ((startFlags & (START_FLAG_DEBUG | START_FLAG_NATIVE_DEBUGGING
| START_FLAG_TRACK_ALLOCATION)) != 0 || profilerInfo != null) {
// Mimic an AMS synchronous call by passing a message to AMS and wait for AMS
// to notify us that the task has completed.
// TODO(b/80414790) look into further untangling for the situation where the
// caller is on the same thread as the handler we are posting to.
synchronized (mService.mGlobalLock) {
// Post message to AMS.
final Message msg = PooledLambda.obtainMessage(
ActivityManagerInternal::setDebugFlagsForStartingActivity,
mService.mAmInternal, aInfo, startFlags, profilerInfo,
mService.mGlobalLock);
mService.mH.sendMessage(msg);
try {
mService.mGlobalLock.wait();
} catch (InterruptedException ignore) {
}
}
}
}
final String intentLaunchToken = intent.getLaunchToken();
if (aInfo.launchToken == null && intentLaunchToken != null) {
aInfo.launchToken = intentLaunchToken;
}
}
return aInfo;
}
ResolveInfo resolveIntent(Intent intent, String resolvedType, int userId, int flags,
int filterCallingUid) {
try {
Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "resolveIntent");
int modifiedFlags = flags
| PackageManager.MATCH_DEFAULT_ONLY | ActivityManagerService.STOCK_PM_FLAGS;
if (intent.isWebIntent()
|| (intent.getFlags() & Intent.FLAG_ACTIVITY_MATCH_EXTERNAL) != 0) {
modifiedFlags |= PackageManager.MATCH_INSTANT;
}
// In order to allow cross-profile lookup, we clear the calling identity here.
// Note the binder identity won't affect the result, but filterCallingUid will.
// Cross-user/profile call check are done at the entry points
// (e.g. AMS.startActivityAsUser).
final long token = Binder.clearCallingIdentity();
try {
return mService.getPackageManagerInternalLocked().resolveIntent(
intent, resolvedType, modifiedFlags, userId, true, filterCallingUid);
} finally {
Binder.restoreCallingIdentity(token);
}
} finally {
Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
}
}
ActivityInfo resolveActivity(Intent intent, String resolvedType, int startFlags,
ProfilerInfo profilerInfo, int userId, int filterCallingUid) {
final ResolveInfo rInfo = resolveIntent(intent, resolvedType, userId, 0, filterCallingUid);
return resolveActivity(intent, rInfo, startFlags, profilerInfo);
}
boolean realStartActivityLocked(ActivityRecord r, WindowProcessController proc,
boolean andResume, boolean checkConfig) throws RemoteException {
if (!mRootActivityContainer.allPausedActivitiesComplete()) {
// While there are activities pausing we skipping starting any new activities until
// pauses are complete. NOTE: that we also do this for activities that are starting in
// the paused state because they will first be resumed then paused on the client side.
if (DEBUG_SWITCH || DEBUG_PAUSE || DEBUG_STATES) Slog.v(TAG_PAUSE,
"realStartActivityLocked: Skipping start of r=" + r
+ " some activities pausing...");
return false;
}
final TaskRecord task = r.getTaskRecord();
final ActivityStack stack = task.getStack();
beginDeferResume();
try {
r.startFreezingScreenLocked(proc, 0);
// schedule launch ticks to collect information about slow apps.
r.startLaunchTickingLocked();
r.setProcess(proc);
// Ensure activity is allowed to be resumed after process has set.
if (andResume && !r.canResumeByCompat()) {
andResume = false;
}
if (getKeyguardController().isKeyguardLocked()) {
r.notifyUnknownVisibilityLaunched();
}
// Have the window manager re-evaluate the orientation of the screen based on the new
// activity order. Note that as a result of this, it can call back into the activity
// manager with a new orientation. We don't care about that, because the activity is
// not currently running so we are just restarting it anyway.
if (checkConfig) {
// Deferring resume here because we're going to launch new activity shortly.
// We don't want to perform a redundant launch of the same record while ensuring
// configurations and trying to resume top activity of focused stack.
mRootActivityContainer.ensureVisibilityAndConfig(r, r.getDisplayId(),
false /* markFrozenIfConfigChanged */, true /* deferResume */);
}
if (r.getActivityStack().checkKeyguardVisibility(r, true /* shouldBeVisible */,
true /* isTop */)) {
// We only set the visibility to true if the activity is allowed to be visible
// based on
// keyguard state. This avoids setting this into motion in window manager that is
// later cancelled due to later calls to ensure visible activities that set
// visibility back to false.
r.setVisibility(true);
}
final int applicationInfoUid =
(r.info.applicationInfo != null) ? r.info.applicationInfo.uid : -1;
if ((r.mUserId != proc.mUserId) || (r.appInfo.uid != applicationInfoUid)) {
Slog.wtf(TAG,
"User ID for activity changing for " + r
+ " appInfo.uid=" + r.appInfo.uid
+ " info.ai.uid=" + applicationInfoUid
+ " old=" + r.app + " new=" + proc);
}
r.launchCount++;
r.lastLaunchTime = SystemClock.uptimeMillis();
if (DEBUG_ALL) Slog.v(TAG, "Launching: " + r);
proc.addActivityIfNeeded(r);
final LockTaskController lockTaskController = mService.getLockTaskController();
if (task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE
|| task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE_PRIV
|| (task.mLockTaskAuth == LOCK_TASK_AUTH_WHITELISTED
&& lockTaskController.getLockTaskModeState()
== LOCK_TASK_MODE_LOCKED)) {
lockTaskController.startLockTaskMode(task, false, 0 /* blank UID */);
}
try {
if (!proc.hasThread()) {
throw new RemoteException();
}
List<ResultInfo> results = null;
List<ReferrerIntent> newIntents = null;
if (andResume) {
// We don't need to deliver new intents and/or set results if activity is going
// to pause immediately after launch.
results = r.results;
newIntents = r.newIntents;
}
if (DEBUG_SWITCH) Slog.v(TAG_SWITCH,
"Launching: " + r + " icicle=" + r.icicle + " with results=" + results
+ " newIntents=" + newIntents + " andResume=" + andResume);
EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY, r.mUserId,
System.identityHashCode(r), task.taskId, r.shortComponentName);
if (r.isActivityTypeHome()) {
// Home process is the root process of the task.
updateHomeProcess(task.mActivities.get(0).app);
}
mService.getPackageManagerInternalLocked().notifyPackageUse(
r.intent.getComponent().getPackageName(), NOTIFY_PACKAGE_USE_ACTIVITY);
r.sleeping = false;
r.forceNewConfig = false;
mService.getAppWarningsLocked().onStartActivity(r);
r.compat = mService.compatibilityInfoForPackageLocked(r.info.applicationInfo);
// Because we could be starting an Activity in the system process this may not go
// across a Binder interface which would create a new Configuration. Consequently
// we have to always create a new Configuration here.
final MergedConfiguration mergedConfiguration = new MergedConfiguration(
proc.getConfiguration(), r.getMergedOverrideConfiguration());
r.setLastReportedConfiguration(mergedConfiguration);
logIfTransactionTooLarge(r.intent, r.icicle);
// Create activity launch transaction.
final ClientTransaction clientTransaction = ClientTransaction.obtain(
proc.getThread(), r.appToken);
final DisplayContent dc = r.getDisplay().mDisplayContent;
clientTransaction.addCallback(LaunchActivityItem.obtain(new Intent(r.intent),
System.identityHashCode(r), r.info,
// TODO: Have this take the merged configuration instead of separate global
// and override configs.
mergedConfiguration.getGlobalConfiguration(),
mergedConfiguration.getOverrideConfiguration(), r.compat,
r.launchedFromPackage, task.voiceInteractor, proc.getReportedProcState(),
r.icicle, r.persistentState, results, newIntents,
dc.isNextTransitionForward(), proc.createProfilerInfoIfNeeded(),
r.assistToken));
// Set desired final state.
final ActivityLifecycleItem lifecycleItem;
if (andResume) {
lifecycleItem = ResumeActivityItem.obtain(dc.isNextTransitionForward());
} else {
lifecycleItem = PauseActivityItem.obtain();
}
clientTransaction.setLifecycleStateRequest(lifecycleItem);
// Schedule transaction.
mService.getLifecycleManager().scheduleTransaction(clientTransaction);
if ((proc.mInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0
&& mService.mHasHeavyWeightFeature) {
// This may be a heavy-weight process! Note that the package manager will ensure
// that only activity can run in the main process of the .apk, which is the only
// thing that will be considered heavy-weight.
if (proc.mName.equals(proc.mInfo.packageName)) {
if (mService.mHeavyWeightProcess != null
&& mService.mHeavyWeightProcess != proc) {
Slog.w(TAG, "Starting new heavy weight process " + proc
+ " when already running "
+ mService.mHeavyWeightProcess);
}
mService.setHeavyWeightProcess(r);
}
}
} catch (RemoteException e) {
if (r.launchFailed) {
// This is the second time we failed -- finish activity and give up.
Slog.e(TAG, "Second failure launching "
+ r.intent.getComponent().flattenToShortString() + ", giving up", e);
proc.appDied();
stack.requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null,
"2nd-crash", false);
return false;
}
// This is the first time we failed -- restart process and
// retry.
r.launchFailed = true;
proc.removeActivity(r);
throw e;
}
} finally {
endDeferResume();
}
r.launchFailed = false;
if (stack.updateLRUListLocked(r)) {
Slog.w(TAG, "Activity " + r + " being launched, but already in LRU list");
}
// TODO(lifecycler): Resume or pause requests are done as part of launch transaction,
// so updating the state should be done accordingly.
if (andResume && readyToResume()) {
// As part of the process of launching, ActivityThread also performs
// a resume.
stack.minimalResumeActivityLocked(r);
} else {
// This activity is not starting in the resumed state... which should look like we asked
// it to pause+stop (but remain visible), and it has done so and reported back the
// current icicle and other state.
if (DEBUG_STATES) Slog.v(TAG_STATES,
"Moving to PAUSED: " + r + " (starting in paused state)");
r.setState(PAUSED, "realStartActivityLocked");
}
// Perform OOM scoring after the activity state is set, so the process can be updated with
// the latest state.
proc.onStartActivity(mService.mTopProcessState, r.info);
// Launch the new version setup screen if needed. We do this -after-
// launching the initial activity (that is, home), so that it can have
// a chance to initialize itself while in the background, making the
// switch back to it faster and look better.
if (mRootActivityContainer.isTopDisplayFocusedStack(stack)) {
mService.getActivityStartController().startSetupActivity();
}
// Update any services we are bound to that might care about whether
// their client may have activities.
if (r.app != null) {
r.app.updateServiceConnectionActivities();
}
return true;
}
void updateHomeProcess(WindowProcessController app) {
if (app != null && mService.mHomeProcess != app) {
if (!mHandler.hasMessages(REPORT_HOME_CHANGED_MSG)) {
mHandler.sendEmptyMessage(REPORT_HOME_CHANGED_MSG);
}
mService.mHomeProcess = app;
}
}
private void logIfTransactionTooLarge(Intent intent, Bundle icicle) {
int extrasSize = 0;
if (intent != null) {
final Bundle extras = intent.getExtras();
if (extras != null) {
extrasSize = extras.getSize();
}
}
int icicleSize = (icicle == null ? 0 : icicle.getSize());
if (extrasSize + icicleSize > 200000) {
Slog.e(TAG, "Transaction too large, intent: " + intent + ", extras size: " + extrasSize
+ ", icicle size: " + icicleSize);
}
}
void startSpecificActivityLocked(ActivityRecord r, boolean andResume, boolean checkConfig) {
// Is this activity's application already running?
final WindowProcessController wpc =
mService.getProcessController(r.processName, r.info.applicationInfo.uid);
boolean knownToBeDead = false;
if (wpc != null && wpc.hasThread()) {
try {
realStartActivityLocked(r, wpc, 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.
knownToBeDead = true;
}
// Suppress transition until the new activity becomes ready, otherwise the keyguard can
// appear for a short amount of time before the new process with the new activity had the
// ability to set its showWhenLocked flags.
if (getKeyguardController().isKeyguardLocked()) {
r.notifyUnknownVisibilityLaunched();
}
try {
if (Trace.isTagEnabled(TRACE_TAG_ACTIVITY_MANAGER)) {
Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "dispatchingStartProcess:"
+ r.processName);
}
// Post message to start process to avoid possible deadlock of calling into AMS with the
// ATMS lock held.
final Message msg = PooledLambda.obtainMessage(
ActivityManagerInternal::startProcess, mService.mAmInternal, r.processName,
r.info.applicationInfo, knownToBeDead, "activity", r.intent.getComponent());
mService.mH.sendMessage(msg);
} finally {
Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
}
}
boolean checkStartAnyActivityPermission(Intent intent, ActivityInfo aInfo, String resultWho,
int requestCode, int callingPid, int callingUid, String callingPackage,
boolean ignoreTargetSecurity, boolean launchingInTask,
WindowProcessController callerApp, ActivityRecord resultRecord,
ActivityStack resultStack) {
final boolean isCallerRecents = mService.getRecentTasks() != null
&& mService.getRecentTasks().isCallerRecents(callingUid);
final int startAnyPerm = mService.checkPermission(START_ANY_ACTIVITY, callingPid,
callingUid);
if (startAnyPerm == PERMISSION_GRANTED || (isCallerRecents && launchingInTask)) {
// If the caller has START_ANY_ACTIVITY, ignore all checks below. In addition, if the
// caller is the recents component and we are specifically starting an activity in an
// existing task, then also allow the activity to be fully relaunched.
return true;
}
final int componentRestriction = getComponentRestrictionForCallingPackage(
aInfo, callingPackage, callingPid, callingUid, ignoreTargetSecurity);
final int actionRestriction = getActionRestrictionForCallingPackage(
intent.getAction(), callingPackage, callingPid, callingUid);
if (componentRestriction == ACTIVITY_RESTRICTION_PERMISSION
|| actionRestriction == ACTIVITY_RESTRICTION_PERMISSION) {
if (resultRecord != null) {
resultStack.sendActivityResultLocked(-1,
resultRecord, resultWho, requestCode,
Activity.RESULT_CANCELED, null);
}
final String msg;
if (actionRestriction == ACTIVITY_RESTRICTION_PERMISSION) {
msg = "Permission Denial: starting " + intent.toString()
+ " from " + callerApp + " (pid=" + callingPid
+ ", uid=" + callingUid + ")" + " with revoked permission "
+ ACTION_TO_RUNTIME_PERMISSION.get(intent.getAction());
} else 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);
throw new SecurityException(msg);
}
if (actionRestriction == ACTIVITY_RESTRICTION_APPOP) {
final String message = "Appop Denial: starting " + intent.toString()
+ " from " + callerApp + " (pid=" + callingPid
+ ", uid=" + callingUid + ")"
+ " requires " + AppOpsManager.permissionToOp(
ACTION_TO_RUNTIME_PERMISSION.get(intent.getAction()));
Slog.w(TAG, message);
return false;
} else if (componentRestriction == ACTIVITY_RESTRICTION_APPOP) {
final String message = "Appop Denial: starting " + intent.toString()
+ " from " + callerApp + " (pid=" + callingPid
+ ", uid=" + callingUid + ")"
+ " requires appop " + AppOpsManager.permissionToOp(aInfo.permission);
Slog.w(TAG, message);
return false;
}
return true;
}
/** Check if caller is allowed to launch activities on specified display. */
boolean isCallerAllowedToLaunchOnDisplay(int callingPid, int callingUid, int launchDisplayId,
ActivityInfo aInfo) {
if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check: displayId=" + launchDisplayId
+ " callingPid=" + callingPid + " callingUid=" + callingUid);
if (callingPid == -1 && callingUid == -1) {
if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check: no caller info, skip check");
return true;
}
final ActivityDisplay activityDisplay =
mRootActivityContainer.getActivityDisplayOrCreate(launchDisplayId);
if (activityDisplay == null || activityDisplay.isRemoved()) {
Slog.w(TAG, "Launch on display check: display not found");
return false;
}
// Check if the caller has enough privileges to embed activities and launch to private
// displays.
final int startAnyPerm = mService.checkPermission(INTERNAL_SYSTEM_WINDOW, callingPid,
callingUid);
if (startAnyPerm == PERMISSION_GRANTED) {
if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ " allow launch any on display");
return true;
}
// Check if caller is already present on display
final boolean uidPresentOnDisplay = activityDisplay.isUidPresent(callingUid);
final int displayOwnerUid = activityDisplay.mDisplay.getOwnerUid();
if (activityDisplay.mDisplay.getType() == TYPE_VIRTUAL && displayOwnerUid != SYSTEM_UID
&& displayOwnerUid != aInfo.applicationInfo.uid) {
// Limit launching on virtual displays, because their contents can be read from Surface
// by apps that created them.
if ((aInfo.flags & ActivityInfo.FLAG_ALLOW_EMBEDDED) == 0) {
if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ " disallow launch on virtual display for not-embedded activity.");
return false;
}
// Check if the caller is allowed to embed activities from other apps.
if (mService.checkPermission(ACTIVITY_EMBEDDING, callingPid, callingUid)
== PERMISSION_DENIED && !uidPresentOnDisplay) {
if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ " disallow activity embedding without permission.");
return false;
}
}
if (!activityDisplay.isPrivate()) {
// Anyone can launch on a public display.
if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ " allow launch on public display");
return true;
}
// Check if the caller is the owner of the display.
if (displayOwnerUid == callingUid) {
if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ " allow launch for owner of the display");
return true;
}
if (uidPresentOnDisplay) {
if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ " allow launch for caller present on the display");
return true;
}
Slog.w(TAG, "Launch on display check: denied");
return false;
}
UserInfo getUserInfo(int userId) {
final long identity = Binder.clearCallingIdentity();
try {
return UserManager.get(mService.mContext).getUserInfo(userId);
} finally {
Binder.restoreCallingIdentity(identity);
}
}
private int getComponentRestrictionForCallingPackage(ActivityInfo activityInfo,
String callingPackage, int callingPid, int callingUid, boolean ignoreTargetSecurity) {
if (!ignoreTargetSecurity && mService.checkComponentPermission(activityInfo.permission,
callingPid, callingUid, activityInfo.applicationInfo.uid, activityInfo.exported)
== PERMISSION_DENIED) {
return ACTIVITY_RESTRICTION_PERMISSION;
}
if (activityInfo.permission == null) {
return ACTIVITY_RESTRICTION_NONE;
}
final int opCode = AppOpsManager.permissionToOpCode(activityInfo.permission);
if (opCode == AppOpsManager.OP_NONE) {
return ACTIVITY_RESTRICTION_NONE;
}
if (mService.getAppOpsService().noteOperation(opCode, callingUid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
if (!ignoreTargetSecurity) {
return ACTIVITY_RESTRICTION_APPOP;
}
}
return ACTIVITY_RESTRICTION_NONE;
}
private int getActionRestrictionForCallingPackage(String action,
String callingPackage, int callingPid, int callingUid) {
if (action == null) {
return ACTIVITY_RESTRICTION_NONE;
}
String permission = ACTION_TO_RUNTIME_PERMISSION.get(action);
if (permission == null) {
return ACTIVITY_RESTRICTION_NONE;
}
final PackageInfo packageInfo;
try {
packageInfo = mService.mContext.getPackageManager()
.getPackageInfo(callingPackage, PackageManager.GET_PERMISSIONS);
} catch (PackageManager.NameNotFoundException e) {
Slog.i(TAG, "Cannot find package info for " + callingPackage);
return ACTIVITY_RESTRICTION_NONE;
}
if (!ArrayUtils.contains(packageInfo.requestedPermissions, permission)) {
return ACTIVITY_RESTRICTION_NONE;
}
if (mService.checkPermission(permission, callingPid, callingUid) == PERMISSION_DENIED) {
return ACTIVITY_RESTRICTION_PERMISSION;
}
final int opCode = AppOpsManager.permissionToOpCode(permission);
if (opCode == AppOpsManager.OP_NONE) {
return ACTIVITY_RESTRICTION_NONE;
}
if (mService.getAppOpsService().noteOperation(opCode, callingUid, callingPackage)
!= AppOpsManager.MODE_ALLOWED) {
return ACTIVITY_RESTRICTION_APPOP;
}
return ACTIVITY_RESTRICTION_NONE;
}
void setLaunchSource(int uid) {
mLaunchingActivityWakeLock.setWorkSource(new WorkSource(uid));
}
void acquireLaunchWakelock() {
if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) {
throw new IllegalStateException("Calling must be system uid");
}
mLaunchingActivityWakeLock.acquire();
if (!mHandler.hasMessages(LAUNCH_TIMEOUT_MSG)) {
// To be safe, don't allow the wake lock to be held for too long.
mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT);
}
}
/**
* Called when all resumed tasks/stacks are idle.
* @return the state of mService.mAm.mBooting before this was called.
*/
@GuardedBy("mService")
private boolean checkFinishBootingLocked() {
final boolean booting = mService.isBooting();
boolean enableScreen = false;
mService.setBooting(false);
if (!mService.isBooted()) {
mService.setBooted(true);
enableScreen = true;
}
if (booting || enableScreen) {
mService.postFinishBooting(booting, enableScreen);
}
return booting;
}
// Checked.
@GuardedBy("mService")
final ActivityRecord activityIdleInternalLocked(final IBinder token, boolean fromTimeout,
boolean processPausingActivities, Configuration config) {
if (DEBUG_ALL) Slog.v(TAG, "Activity idle: " + token);
ArrayList<ActivityRecord> finishes = null;
ArrayList<UserState> startingUsers = null;
int NS = 0;
int NF = 0;
boolean booting = false;
boolean activityRemoved = false;
ActivityRecord r = ActivityRecord.forTokenLocked(token);
if (r != null) {
if (DEBUG_IDLE) Slog.d(TAG_IDLE, "activityIdleInternalLocked: Callers="
+ Debug.getCallers(4));
mHandler.removeMessages(IDLE_TIMEOUT_MSG, r);
r.finishLaunchTickingLocked();
if (fromTimeout) {
reportActivityLaunchedLocked(fromTimeout, r, INVALID_DELAY,
-1 /* launchState */);
}
// This is a hack to semi-deal with a race condition
// in the client where it can be constructed with a
// newer configuration from when we asked it to launch.
// We'll update with whatever configuration it now says
// it used to launch.
if (config != null) {
r.setLastReportedGlobalConfiguration(config);
}
// We are now idle. If someone is waiting for a thumbnail from
// us, we can now deliver.
r.idle = true;
//Slog.i(TAG, "IDLE: mBooted=" + mBooted + ", fromTimeout=" + fromTimeout);
// Check if able to finish booting when device is booting and all resumed activities
// are idle.
if ((mService.isBooting() && mRootActivityContainer.allResumedActivitiesIdle())
|| fromTimeout) {
booting = checkFinishBootingLocked();
}
// When activity is idle, we consider the relaunch must be successful, so let's clear
// the flag.
r.mRelaunchReason = RELAUNCH_REASON_NONE;
}
if (mRootActivityContainer.allResumedActivitiesIdle()) {
if (r != null) {
mService.scheduleAppGcsLocked();
}
if (mLaunchingActivityWakeLock.isHeld()) {
mHandler.removeMessages(LAUNCH_TIMEOUT_MSG);
if (VALIDATE_WAKE_LOCK_CALLER &&
Binder.getCallingUid() != Process.myUid()) {
throw new IllegalStateException("Calling must be system uid");
}
mLaunchingActivityWakeLock.release();
}
mRootActivityContainer.ensureActivitiesVisible(null, 0, !PRESERVE_WINDOWS);
}
// Atomically retrieve all of the other things to do.
final ArrayList<ActivityRecord> stops = processStoppingActivitiesLocked(r,
true /* remove */, processPausingActivities);
NS = stops != null ? stops.size() : 0;
if ((NF = mFinishingActivities.size()) > 0) {
finishes = new ArrayList<>(mFinishingActivities);
mFinishingActivities.clear();
}
if (mStartingUsers.size() > 0) {
startingUsers = new ArrayList<>(mStartingUsers);
mStartingUsers.clear();
}
// Stop any activities that are scheduled to do so but have been
// waiting for the next one to start.
for (int i = 0; i < NS; i++) {
r = stops.get(i);
final ActivityStack stack = r.getActivityStack();
if (stack != null) {
if (r.finishing) {
stack.finishCurrentActivityLocked(r, ActivityStack.FINISH_IMMEDIATELY, false,
"activityIdleInternalLocked");
} else {
stack.stopActivityLocked(r);
}
}
}
// Finish any activities that are scheduled to do so but have been
// waiting for the next one to start.
for (int i = 0; i < NF; i++) {
r = finishes.get(i);
final ActivityStack stack = r.getActivityStack();
if (stack != null) {
activityRemoved |= stack.destroyActivityLocked(r, true, "finish-idle");
}
}
if (!booting) {
// Complete user switch
if (startingUsers != null) {
for (int i = 0; i < startingUsers.size(); i++) {
mService.mAmInternal.finishUserSwitch(startingUsers.get(i));
}
}
}
mService.mH.post(() -> mService.mAmInternal.trimApplications());
//dump();
//mWindowManager.dump();
if (activityRemoved) {
mRootActivityContainer.resumeFocusedStacksTopActivities();
}
return r;
}
/** This doesn't just find a task, it also moves the task to front. */
void findTaskToMoveToFront(TaskRecord task, int flags, ActivityOptions options, String reason,
boolean forceNonResizeable) {
ActivityStack currentStack = task.getStack();
if (currentStack == null) {
Slog.e(TAG, "findTaskToMoveToFront: can't move task="
+ task + " to front. Stack is null");
return;
}
if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {
mUserLeaving = true;
}
reason = reason + " findTaskToMoveToFront";
boolean reparented = false;
if (task.isResizeable() && canUseActivityOptionsLaunchBounds(options)) {
final Rect bounds = options.getLaunchBounds();
task.updateOverrideConfiguration(bounds);
ActivityStack stack =
mRootActivityContainer.getLaunchStack(null, options, task, ON_TOP);
if (stack != currentStack) {
moveHomeStackToFrontIfNeeded(flags, stack.getDisplay(), reason);
task.reparent(stack, ON_TOP, REPARENT_KEEP_STACK_AT_FRONT, !ANIMATE, DEFER_RESUME,
reason);
currentStack = stack;
reparented = true;
// task.reparent() should already placed the task on top,
// still need moveTaskToFrontLocked() below for any transition settings.
}
if (stack.resizeStackWithLaunchBounds()) {
mRootActivityContainer.resizeStack(stack, bounds, null /* tempTaskBounds */,
null /* tempTaskInsetBounds */, !PRESERVE_WINDOWS,
true /* allowResizeInDockedMode */, !DEFER_RESUME);
} else {
// WM resizeTask must be done after the task is moved to the correct stack,
// because Task's setBounds() also updates dim layer's bounds, but that has
// dependency on the stack.
task.resizeWindowContainer();
}
}
if (!reparented) {
moveHomeStackToFrontIfNeeded(flags, currentStack.getDisplay(), reason);
}
final ActivityRecord r = task.getTopActivity();
currentStack.moveTaskToFrontLocked(task, false /* noAnimation */, options,
r == null ? null : r.appTimeTracker, reason);
if (DEBUG_STACK) Slog.d(TAG_STACK,
"findTaskToMoveToFront: moved to front of stack=" + currentStack);
handleNonResizableTaskIfNeeded(task, WINDOWING_MODE_UNDEFINED, DEFAULT_DISPLAY,
currentStack, forceNonResizeable);
}
private void moveHomeStackToFrontIfNeeded(int flags, ActivityDisplay display, String reason) {
final ActivityStack focusedStack = display.getFocusedStack();
if ((display.getWindowingMode() == WINDOWING_MODE_FULLSCREEN
&& (flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0)
|| (focusedStack != null && focusedStack.isActivityTypeRecents())) {
// We move home stack to front when we are on a fullscreen display and caller has
// requested the home activity to move with it. Or the previous stack is recents.
display.moveHomeStackToFront(reason);
}
}
boolean canUseActivityOptionsLaunchBounds(ActivityOptions options) {
// We use the launch bounds in the activity options is the device supports freeform
// window management or is launching into the pinned stack.
if (options == null || options.getLaunchBounds() == null) {
return false;
}
return (mService.mSupportsPictureInPicture
&& options.getLaunchWindowingMode() == WINDOWING_MODE_PINNED)
|| mService.mSupportsFreeformWindowManagement;
}
LaunchParamsController getLaunchParamsController() {
return mLaunchParamsController;
}
private void deferUpdateRecentsHomeStackBounds() {
mRootActivityContainer.deferUpdateBounds(ACTIVITY_TYPE_RECENTS);
mRootActivityContainer.deferUpdateBounds(ACTIVITY_TYPE_HOME);
}
private void continueUpdateRecentsHomeStackBounds() {
mRootActivityContainer.continueUpdateBounds(ACTIVITY_TYPE_RECENTS);
mRootActivityContainer.continueUpdateBounds(ACTIVITY_TYPE_HOME);
}
void notifyAppTransitionDone() {
continueUpdateRecentsHomeStackBounds();
for (int i = mResizingTasksDuringAnimation.size() - 1; i >= 0; i--) {
final int taskId = mResizingTasksDuringAnimation.valueAt(i);
final TaskRecord task =
mRootActivityContainer.anyTaskForId(taskId, MATCH_TASK_IN_STACKS_ONLY);
if (task != null) {
task.setTaskDockedResizing(false);
}
}
mResizingTasksDuringAnimation.clear();
}
/**
* TODO: This should just change the windowing mode and resize vs. actually moving task around.
* Can do that once we are no longer using static stack ids.
*/
private void moveTasksToFullscreenStackInSurfaceTransaction(ActivityStack fromStack,
int toDisplayId, boolean onTop) {
mWindowManager.deferSurfaceLayout();
try {
final int windowingMode = fromStack.getWindowingMode();
final boolean inPinnedWindowingMode = windowingMode == WINDOWING_MODE_PINNED;
final ActivityDisplay toDisplay =
mRootActivityContainer.getActivityDisplay(toDisplayId);
if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) {
// Tell the display we are exiting split-screen mode.
toDisplay.onExitingSplitScreenMode();
// We are moving all tasks from the docked stack to the fullscreen stack,
// which is dismissing the docked stack, so resize all other stacks to
// fullscreen here already so we don't end up with resize trashing.
for (int i = toDisplay.getChildCount() - 1; i >= 0; --i) {
final ActivityStack otherStack = toDisplay.getChildAt(i);
if (!otherStack.inSplitScreenSecondaryWindowingMode()) {
continue;
}
otherStack.setWindowingMode(WINDOWING_MODE_UNDEFINED);
}
// Also disable docked stack resizing since we have manually adjusted the
// size of other stacks above and we don't want to trigger a docked stack
// resize when we remove task from it below and it is detached from the
// display because it no longer contains any tasks.
mAllowDockedStackResize = false;
}
// If we are moving from the pinned stack, then the animation takes care of updating
// the picture-in-picture mode.
final boolean schedulePictureInPictureModeChange = inPinnedWindowingMode;
final ArrayList<TaskRecord> tasks = fromStack.getAllTasks();
if (!tasks.isEmpty()) {
mTmpOptions.setLaunchWindowingMode(WINDOWING_MODE_FULLSCREEN);
final int size = tasks.size();
for (int i = 0; i < size; ++i) {
final TaskRecord task = tasks.get(i);
final ActivityStack toStack = toDisplay.getOrCreateStack(
null, mTmpOptions, task, task.getActivityType(), onTop);
if (onTop) {
final boolean isTopTask = i == (size - 1);
// Defer resume until all the tasks have been moved to the fullscreen stack
task.reparent(toStack, ON_TOP, REPARENT_MOVE_STACK_TO_FRONT,
isTopTask /* animate */, DEFER_RESUME,
schedulePictureInPictureModeChange,
"moveTasksToFullscreenStack - onTop");
MetricsLoggerWrapper.logPictureInPictureFullScreen(mService.mContext,
task.effectiveUid, task.realActivity.flattenToString());
} else {
// Position the tasks in the fullscreen stack in order at the bottom of the
// stack. Also defer resume until all the tasks have been moved to the
// fullscreen stack.
task.reparent(toStack, ON_TOP,
REPARENT_LEAVE_STACK_IN_PLACE, !ANIMATE, DEFER_RESUME,
schedulePictureInPictureModeChange,
"moveTasksToFullscreenStack - NOT_onTop");
}
}
}
mRootActivityContainer.ensureActivitiesVisible(null, 0, PRESERVE_WINDOWS);
mRootActivityContainer.resumeFocusedStacksTopActivities();
} finally {
mAllowDockedStackResize = true;
mWindowManager.continueSurfaceLayout();
}
}
void moveTasksToFullscreenStackLocked(ActivityStack fromStack, boolean onTop) {
moveTasksToFullscreenStackLocked(fromStack, DEFAULT_DISPLAY, onTop);
}
void moveTasksToFullscreenStackLocked(ActivityStack fromStack, int toDisplayId, boolean onTop) {
mWindowManager.inSurfaceTransaction(() ->
moveTasksToFullscreenStackInSurfaceTransaction(fromStack, toDisplayId, onTop));
}
void setSplitScreenResizing(boolean resizing) {
if (resizing == mDockedStackResizing) {
return;
}
mDockedStackResizing = resizing;
mWindowManager.setDockedStackResizing(resizing);
if (!resizing && mHasPendingDockedBounds) {
resizeDockedStackLocked(mPendingDockedBounds, mPendingTempDockedTaskBounds,
mPendingTempDockedTaskInsetBounds, mPendingTempOtherTaskBounds,
mPendingTempOtherTaskInsetBounds, PRESERVE_WINDOWS);
mHasPendingDockedBounds = false;
mPendingDockedBounds = null;
mPendingTempDockedTaskBounds = null;
mPendingTempDockedTaskInsetBounds = null;
mPendingTempOtherTaskBounds = null;
mPendingTempOtherTaskInsetBounds = null;
}
}
void resizeDockedStackLocked(Rect dockedBounds, Rect tempDockedTaskBounds,
Rect tempDockedTaskInsetBounds, Rect tempOtherTaskBounds, Rect tempOtherTaskInsetBounds,
boolean preserveWindows) {
resizeDockedStackLocked(dockedBounds, tempDockedTaskBounds, tempDockedTaskInsetBounds,
tempOtherTaskBounds, tempOtherTaskInsetBounds, preserveWindows,
false /* deferResume */);
}
void resizeDockedStackLocked(Rect dockedBounds, Rect tempDockedTaskBounds,
Rect tempDockedTaskInsetBounds, Rect tempOtherTaskBounds, Rect tempOtherTaskInsetBounds,
boolean preserveWindows, boolean deferResume) {
if (!mAllowDockedStackResize) {
// Docked stack resize currently disabled.
return;
}
final ActivityStack stack =
mRootActivityContainer.getDefaultDisplay().getSplitScreenPrimaryStack();
if (stack == null) {
Slog.w(TAG, "resizeDockedStackLocked: docked stack not found");
return;
}
if (mDockedStackResizing) {
mHasPendingDockedBounds = true;
mPendingDockedBounds = copyOrNull(dockedBounds);
mPendingTempDockedTaskBounds = copyOrNull(tempDockedTaskBounds);
mPendingTempDockedTaskInsetBounds = copyOrNull(tempDockedTaskInsetBounds);
mPendingTempOtherTaskBounds = copyOrNull(tempOtherTaskBounds);
mPendingTempOtherTaskInsetBounds = copyOrNull(tempOtherTaskInsetBounds);
}
Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizeDockedStack");
mWindowManager.deferSurfaceLayout();
try {
// Don't allow re-entry while resizing. E.g. due to docked stack detaching.
mAllowDockedStackResize = false;
ActivityRecord r = stack.topRunningActivityLocked();
stack.resize(dockedBounds, tempDockedTaskBounds, tempDockedTaskInsetBounds);
// TODO: Checking for isAttached might not be needed as if the user passes in null
// dockedBounds then they want the docked stack to be dismissed.
if (stack.getWindowingMode() == WINDOWING_MODE_FULLSCREEN
|| (dockedBounds == null && !stack.isAttached())) {
// The dock stack either was dismissed or went fullscreen, which is kinda the same.
// In this case we make all other static stacks fullscreen and move all
// docked stack tasks to the fullscreen stack.
moveTasksToFullscreenStackLocked(stack, ON_TOP);
// stack shouldn't contain anymore activities, so nothing to resume.
r = null;
} else {
// Docked stacks occupy a dedicated region on screen so the size of all other
// static stacks need to be adjusted so they don't overlap with the docked stack.
// We get the bounds to use from window manager which has been adjusted for any
// screen controls and is also the same for all stacks.
final ActivityDisplay display = mRootActivityContainer.getDefaultDisplay();
final Rect otherTaskRect = new Rect();
for (int i = display.getChildCount() - 1; i >= 0; --i) {
final ActivityStack current = display.getChildAt(i);
if (!current.inSplitScreenSecondaryWindowingMode()) {
continue;
}
if (!current.affectedBySplitScreenResize()) {
continue;
}
if (mDockedStackResizing && !current.isTopActivityVisible()) {
// Non-visible stacks get resized once we're done with the resize
// interaction.
continue;
}
current.getStackDockedModeBounds(dockedBounds,
tempOtherTaskBounds /* currentTempTaskBounds */,
tempRect /* outStackBounds */,
otherTaskRect /* outTempTaskBounds */);
mRootActivityContainer.resizeStack(current,
!tempRect.isEmpty() ? tempRect : null,
!otherTaskRect.isEmpty() ? otherTaskRect : tempOtherTaskBounds,
tempOtherTaskInsetBounds, preserveWindows,
true /* allowResizeInDockedMode */, deferResume);
}
}
if (!deferResume) {
stack.ensureVisibleActivitiesConfigurationLocked(r, preserveWindows);
}
} finally {
mAllowDockedStackResize = true;
mWindowManager.continueSurfaceLayout();
Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
}
}
void resizePinnedStackLocked(Rect pinnedBounds, Rect tempPinnedTaskBounds) {
// TODO(multi-display): The display containing the stack should be passed in.
final ActivityStack stack =
mRootActivityContainer.getDefaultDisplay().getPinnedStack();
if (stack == null) {
Slog.w(TAG, "resizePinnedStackLocked: pinned stack not found");
return;
}
// It is possible for the bounds animation from the WM to call this but be delayed by
// another AM call that is holding the AMS lock. In such a case, the pinnedBounds may be
// incorrect if AMS.resizeStackWithBoundsFromWindowManager() is already called while waiting
// for the AMS lock to be freed. So check and make sure these bounds are still good.
final TaskStack stackController = stack.getTaskStack();
if (stackController.pinnedStackResizeDisallowed()) {
return;
}
Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizePinnedStack");
mWindowManager.deferSurfaceLayout();
try {
ActivityRecord r = stack.topRunningActivityLocked();
Rect insetBounds = null;
if (tempPinnedTaskBounds != null && stack.isAnimatingBoundsToFullscreen()) {
// Use 0,0 as the position for the inset rect because we are headed for fullscreen.
insetBounds = tempRect;
insetBounds.top = 0;
insetBounds.left = 0;
insetBounds.right = tempPinnedTaskBounds.width();
insetBounds.bottom = tempPinnedTaskBounds.height();
}
if (pinnedBounds != null && tempPinnedTaskBounds == null) {
// We have finished the animation into PiP, and are resizing the tasks to match the
// stack bounds, while layouts are deferred, update any task state as a part of
// transitioning it from fullscreen into a floating state.
stack.onPipAnimationEndResize();
}
stack.resize(pinnedBounds, tempPinnedTaskBounds, insetBounds);
stack.ensureVisibleActivitiesConfigurationLocked(r, false);
} finally {
mWindowManager.continueSurfaceLayout();
Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
}
}
private void removeStackInSurfaceTransaction(ActivityStack stack) {
final ArrayList<TaskRecord> tasks = stack.getAllTasks();
if (stack.getWindowingMode() == WINDOWING_MODE_PINNED) {
/**
* Workaround: Force-stop all the activities in the pinned stack before we reparent them
* to the fullscreen stack. This is to guarantee that when we are removing a stack,
* that the client receives onStop() before it is reparented. We do this by detaching
* the stack from the display so that it will be considered invisible when
* ensureActivitiesVisibleLocked() is called, and all of its activitys will be marked
* invisible as well and added to the stopping list. After which we process the
* stopping list by handling the idle.
*/
stack.mForceHidden = true;
stack.ensureActivitiesVisibleLocked(null, 0, PRESERVE_WINDOWS);
stack.mForceHidden = false;
activityIdleInternalLocked(null, false /* fromTimeout */,
true /* processPausingActivites */, null /* configuration */);
// Move all the tasks to the bottom of the fullscreen stack
moveTasksToFullscreenStackLocked(stack, !ON_TOP);
} else {
for (int i = tasks.size() - 1; i >= 0; i--) {
removeTaskByIdLocked(tasks.get(i).taskId, true /* killProcess */,
REMOVE_FROM_RECENTS, "remove-stack");
}
}
}
/**
* Removes the stack associated with the given {@param stack}. If the {@param stack} is the
* pinned stack, then its tasks are not explicitly removed when the stack is destroyed, but
* instead moved back onto the fullscreen stack.
*/
void removeStack(ActivityStack stack) {
mWindowManager.inSurfaceTransaction(() -> removeStackInSurfaceTransaction(stack));
}
/**
* See {@link #removeTaskByIdLocked(int, boolean, boolean, boolean)}
*/
boolean removeTaskByIdLocked(int taskId, boolean killProcess, boolean removeFromRecents,
String reason) {
return removeTaskByIdLocked(taskId, killProcess, removeFromRecents, !PAUSE_IMMEDIATELY,
reason);
}
/**
* Removes the task with the specified task id.
*
* @param taskId Identifier of the task to be removed.
* @param killProcess Kill any process associated with the task if possible.
* @param removeFromRecents Whether to also remove the task from recents.
* @param pauseImmediately Pauses all task activities immediately without waiting for the
* pause-complete callback from the activity.
* @return Returns true if the given task was found and removed.
*/
boolean removeTaskByIdLocked(int taskId, boolean killProcess, boolean removeFromRecents,
boolean pauseImmediately, String reason) {
final TaskRecord tr =
mRootActivityContainer.anyTaskForId(taskId, MATCH_TASK_IN_STACKS_OR_RECENT_TASKS);
if (tr != null) {
tr.removeTaskActivitiesLocked(pauseImmediately, reason);
cleanUpRemovedTaskLocked(tr, killProcess, removeFromRecents);
mService.getLockTaskController().clearLockedTask(tr);
if (tr.isPersistable) {
mService.notifyTaskPersisterLocked(null, true);
}
return true;
}
Slog.w(TAG, "Request to remove task ignored for non-existent task " + taskId);
return false;
}
void cleanUpRemovedTaskLocked(TaskRecord tr, boolean killProcess, boolean removeFromRecents) {
if (removeFromRecents) {
mRecentTasks.remove(tr);
}
ComponentName component = tr.getBaseIntent().getComponent();
if (component == null) {
Slog.w(TAG, "No component for base intent of task: " + tr);
return;
}
// Find any running services associated with this app and stop if needed.
final Message msg = PooledLambda.obtainMessage(ActivityManagerInternal::cleanUpServices,
mService.mAmInternal, tr.userId, component, new Intent(tr.getBaseIntent()));
mService.mH.sendMessage(msg);
if (!killProcess) {
return;
}
// Determine if the process(es) for this task should be killed.
final String pkg = component.getPackageName();
ArrayList<Object> procsToKill = new ArrayList<>();
ArrayMap<String, SparseArray<WindowProcessController>> pmap =
mService.mProcessNames.getMap();
for (int i = 0; i < pmap.size(); i++) {
SparseArray<WindowProcessController> uids = pmap.valueAt(i);
for (int j = 0; j < uids.size(); j++) {
WindowProcessController proc = uids.valueAt(j);
if (proc.mUserId != tr.userId) {
// Don't kill process for a different user.
continue;
}
if (proc == mService.mHomeProcess) {
// Don't kill the home process along with tasks from the same package.
continue;
}
if (!proc.mPkgList.contains(pkg)) {
// Don't kill process that is not associated with this task.
continue;
}
if (!proc.shouldKillProcessForRemovedTask(tr)) {
// Don't kill process(es) that has an activity in a different task that is also
// in recents, or has an activity not stopped.
return;
}
if (proc.hasForegroundServices()) {
// Don't kill process(es) with foreground service.
return;
}
// Add process to kill list.
procsToKill.add(proc);
}
}
// Kill the running processes. Post on handle since we don't want to hold the service lock
// while calling into AM.
final Message m = PooledLambda.obtainMessage(
ActivityManagerInternal::killProcessesForRemovedTask, mService.mAmInternal,
procsToKill);
mService.mH.sendMessage(m);
}
/**
* Called to restore the state of the task into the stack that it's supposed to go into.
*
* @param task The recent task to be restored.
* @param aOptions The activity options to use for restoration.
* @param onTop If the stack for the task should be the topmost on the display.
* @return true if the task has been restored successfully.
*/
boolean restoreRecentTaskLocked(TaskRecord task, ActivityOptions aOptions, boolean onTop) {
final ActivityStack stack =
mRootActivityContainer.getLaunchStack(null, aOptions, task, onTop);
final ActivityStack currentStack = task.getStack();
if (currentStack != null) {
// Task has already been restored once. See if we need to do anything more
if (currentStack == stack) {
// Nothing else to do since it is already restored in the right stack.
return true;
}
// Remove current stack association, so we can re-associate the task with the
// right stack below.
currentStack.removeTask(task, "restoreRecentTaskLocked", REMOVE_TASK_MODE_MOVING);
}
stack.addTask(task, onTop, "restoreRecentTask");
// TODO: move call for creation here and other place into Stack.addTask()
task.createTask(onTop, true /* showForAllUsers */);
if (DEBUG_RECENTS) Slog.v(TAG_RECENTS,
"Added restored task=" + task + " to stack=" + stack);
final ArrayList<ActivityRecord> activities = task.mActivities;
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
activities.get(activityNdx).createAppWindowToken();
}
return true;
}
@Override
public void onRecentTaskAdded(TaskRecord task) {
task.touchActiveTime();
}
@Override
public void onRecentTaskRemoved(TaskRecord task, boolean wasTrimmed, boolean killProcess) {
if (wasTrimmed) {
// Task was trimmed from the recent tasks list -- remove the active task record as well
// since the user won't really be able to go back to it
removeTaskByIdLocked(task.taskId, killProcess, false /* removeFromRecents */,
!PAUSE_IMMEDIATELY, "recent-task-trimmed");
}
task.removedFromRecents();
}
/**
* Returns the reparent target stack, creating the stack if necessary. This call also enforces
* the various checks on tasks that are going to be reparented from one stack to another.
*/
// TODO: Look into changing users to this method to ActivityDisplay.resolveWindowingMode()
ActivityStack getReparentTargetStack(TaskRecord task, ActivityStack stack, boolean toTop) {
final ActivityStack prevStack = task.getStack();
final int stackId = stack.mStackId;
final boolean inMultiWindowMode = stack.inMultiWindowMode();
// Check that we aren't reparenting to the same stack that the task is already in
if (prevStack != null && prevStack.mStackId == stackId) {
Slog.w(TAG, "Can not reparent to same stack, task=" + task
+ " already in stackId=" + stackId);
return prevStack;
}
// Ensure that we aren't trying to move into a multi-window stack without multi-window
// support
if (inMultiWindowMode && !mService.mSupportsMultiWindow) {
throw new IllegalArgumentException("Device doesn't support multi-window, can not"
+ " reparent task=" + task + " to stack=" + stack);
}
// Ensure that we're not moving a task to a dynamic stack if device doesn't support
// multi-display.
if (stack.mDisplayId != DEFAULT_DISPLAY && !mService.mSupportsMultiDisplay) {
throw new IllegalArgumentException("Device doesn't support multi-display, can not"
+ " reparent task=" + task + " to stackId=" + stackId);
}
// Ensure that we aren't trying to move into a freeform stack without freeform support
if (stack.getWindowingMode() == WINDOWING_MODE_FREEFORM
&& !mService.mSupportsFreeformWindowManagement) {
throw new IllegalArgumentException("Device doesn't support freeform, can not reparent"
+ " task=" + task);
}
// Leave the task in its current stack or a fullscreen stack if it isn't resizeable and the
// preferred stack is in multi-window mode.
if (inMultiWindowMode && !task.isResizeable()) {
Slog.w(TAG, "Can not move unresizeable task=" + task + " to multi-window stack=" + stack
+ " Moving to a fullscreen stack instead.");
if (prevStack != null) {
return prevStack;
}
stack = stack.getDisplay().createStack(
WINDOWING_MODE_FULLSCREEN, stack.getActivityType(), toTop);
}
return stack;
}
void goingToSleepLocked() {
scheduleSleepTimeout();
if (!mGoingToSleepWakeLock.isHeld()) {
mGoingToSleepWakeLock.acquire();
if (mLaunchingActivityWakeLock.isHeld()) {
if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) {
throw new IllegalStateException("Calling must be system uid");
}
mLaunchingActivityWakeLock.release();
mHandler.removeMessages(LAUNCH_TIMEOUT_MSG);
}
}
mRootActivityContainer.applySleepTokens(false /* applyToStacks */);
checkReadyForSleepLocked(true /* allowDelay */);
}
boolean shutdownLocked(int timeout) {
goingToSleepLocked();
boolean timedout = false;
final long endTime = System.currentTimeMillis() + timeout;
while (true) {
if (!mRootActivityContainer.putStacksToSleep(
true /* allowDelay */, true /* shuttingDown */)) {
long timeRemaining = endTime - System.currentTimeMillis();
if (timeRemaining > 0) {
try {
mService.mGlobalLock.wait(timeRemaining);
} catch (InterruptedException e) {
}
} else {
Slog.w(TAG, "Activity manager shutdown timed out");
timedout = true;
break;
}
} else {
break;
}
}
// Force checkReadyForSleep to complete.
checkReadyForSleepLocked(false /* allowDelay */);
return timedout;
}
void comeOutOfSleepIfNeededLocked() {
removeSleepTimeouts();
if (mGoingToSleepWakeLock.isHeld()) {
mGoingToSleepWakeLock.release();
}
}
void activitySleptLocked(ActivityRecord r) {
mGoingToSleepActivities.remove(r);
final ActivityStack s = r.getActivityStack();
if (s != null) {
s.checkReadyForSleep();
} else {
checkReadyForSleepLocked(true);
}
}
void checkReadyForSleepLocked(boolean allowDelay) {
if (!mService.isSleepingOrShuttingDownLocked()) {
// Do not care.
return;
}
if (!mRootActivityContainer.putStacksToSleep(
allowDelay, false /* shuttingDown */)) {
return;
}
// Send launch end powerhint before going sleep
mRootActivityContainer.sendPowerHintForLaunchEndIfNeeded();
removeSleepTimeouts();
if (mGoingToSleepWakeLock.isHeld()) {
mGoingToSleepWakeLock.release();
}
if (mService.mShuttingDown) {
mService.mGlobalLock.notifyAll();
}
}
boolean reportResumedActivityLocked(ActivityRecord r) {
// A resumed activity cannot be stopping. remove from list
mStoppingActivities.remove(r);
final ActivityStack stack = r.getActivityStack();
if (stack.getDisplay().allResumedActivitiesComplete()) {
mRootActivityContainer.ensureActivitiesVisible(null, 0, !PRESERVE_WINDOWS);
// Make sure activity & window visibility should be identical
// for all displays in this stage.
mRootActivityContainer.executeAppTransitionForAllDisplay();
return true;
}
return false;
}
// Called when WindowManager has finished animating the launchingBehind activity to the back.
private void handleLaunchTaskBehindCompleteLocked(ActivityRecord r) {
final TaskRecord task = r.getTaskRecord();
final ActivityStack stack = task.getStack();
r.mLaunchTaskBehind = false;
mRecentTasks.add(task);
mService.getTaskChangeNotificationController().notifyTaskStackChanged();
r.setVisibility(false);
// When launching tasks behind, update the last active time of the top task after the new
// task has been shown briefly
final ActivityRecord top = stack.getTopActivity();
if (top != null) {
top.getTaskRecord().touchActiveTime();
}
}
void scheduleLaunchTaskBehindComplete(IBinder token) {
mHandler.obtainMessage(LAUNCH_TASK_BEHIND_COMPLETE, token).sendToTarget();
}
/** Checks whether the userid is a profile of the current user. */
boolean isCurrentProfileLocked(int userId) {
if (userId == mRootActivityContainer.mCurrentUser) return true;
return mService.mAmInternal.isCurrentProfile(userId);
}
/**
* Returns whether a stopping activity is present that should be stopped after visible, rather
* than idle.
* @return {@code true} if such activity is present. {@code false} otherwise.
*/
boolean isStoppingNoHistoryActivity() {
// Activities that are marked as nohistory should be stopped immediately after the resumed
// activity has become visible.
for (ActivityRecord record : mStoppingActivities) {
if (record.isNoHistory()) {
return true;
}
}
return false;
}
final ArrayList<ActivityRecord> processStoppingActivitiesLocked(ActivityRecord idleActivity,
boolean remove, boolean processPausingActivities) {
ArrayList<ActivityRecord> stops = null;
final boolean nowVisible = mRootActivityContainer.allResumedActivitiesVisible();
for (int activityNdx = mStoppingActivities.size() - 1; activityNdx >= 0; --activityNdx) {
ActivityRecord s = mStoppingActivities.get(activityNdx);
final boolean animating = s.mAppWindowToken.isSelfAnimating();
if (DEBUG_STATES) Slog.v(TAG, "Stopping " + s + ": nowVisible=" + nowVisible
+ " animating=" + animating + " finishing=" + s.finishing);
if (nowVisible && s.finishing) {
// If this activity is finishing, it is sitting on top of
// everyone else but we now know it is no longer needed...
// so get rid of it. Otherwise, we need to go through the
// normal flow and hide it once we determine that it is
// hidden by the activities in front of it.
if (DEBUG_STATES) Slog.v(TAG, "Before stopping, can hide: " + s);
s.setVisibility(false);
}
if (remove) {
final ActivityStack stack = s.getActivityStack();
final boolean shouldSleepOrShutDown = stack != null
? stack.shouldSleepOrShutDownActivities()
: mService.isSleepingOrShuttingDownLocked();
if (!animating || shouldSleepOrShutDown) {
if (!processPausingActivities && s.isState(PAUSING)) {
// Defer processing pausing activities in this iteration and reschedule
// a delayed idle to reprocess it again
removeTimeoutsForActivityLocked(idleActivity);
scheduleIdleTimeoutLocked(idleActivity);
continue;
}
if (DEBUG_STATES) Slog.v(TAG, "Ready to stop: " + s);
if (stops == null) {
stops = new ArrayList<>();
}
stops.add(s);
mStoppingActivities.remove(activityNdx);
}
}
}
return stops;
}
public void dump(PrintWriter pw, String prefix) {
pw.println();
pw.println("ActivityStackSupervisor state:");
mRootActivityContainer.dump(pw, prefix);
pw.print(prefix);
pw.println("mCurTaskIdForUser=" + mCurTaskIdForUser);
pw.println(prefix + "mUserStackInFront=" + mRootActivityContainer.mUserStackInFront);
if (!mWaitingForActivityVisible.isEmpty()) {
pw.println(prefix + "mWaitingForActivityVisible=");
for (int i = 0; i < mWaitingForActivityVisible.size(); ++i) {
pw.print(prefix + prefix); mWaitingForActivityVisible.get(i).dump(pw, prefix);
}
}
pw.print(prefix); pw.print("isHomeRecentsComponent=");
pw.print(mRecentTasks.isRecentsComponentHomeActivity(mRootActivityContainer.mCurrentUser));
getKeyguardController().dump(pw, prefix);
mService.getLockTaskController().dump(pw, prefix);
}
static boolean printThisActivity(PrintWriter pw, ActivityRecord activity, String dumpPackage,
boolean needSep, String prefix) {
if (activity != null) {
if (dumpPackage == null || dumpPackage.equals(activity.packageName)) {
if (needSep) {
pw.println();
}
pw.print(prefix);
pw.println(activity);
return true;
}
}
return false;
}
static boolean dumpHistoryList(FileDescriptor fd, PrintWriter pw, List<ActivityRecord> list,
String prefix, String label, boolean complete, boolean brief, boolean client,
String dumpPackage, boolean needNL, String header, TaskRecord lastTask) {
String innerPrefix = null;
String[] args = null;
boolean printed = false;
for (int i=list.size()-1; i>=0; i--) {
final ActivityRecord r = list.get(i);
if (dumpPackage != null && !dumpPackage.equals(r.packageName)) {
continue;
}
if (innerPrefix == null) {
innerPrefix = prefix + " ";
args = new String[0];
}
printed = true;
final boolean full = !brief && (complete || !r.isInHistory());
if (needNL) {
pw.println("");
needNL = false;
}
if (header != null) {
pw.println(header);
header = null;
}
if (lastTask != r.getTaskRecord()) {
lastTask = r.getTaskRecord();
pw.print(prefix);
pw.print(full ? "* " : " ");
pw.println(lastTask);
if (full) {
lastTask.dump(pw, prefix + " ");
} else if (complete) {
// Complete + brief == give a summary. Isn't that obvious?!?
if (lastTask.intent != null) {
pw.print(prefix); pw.print(" ");
pw.println(lastTask.intent.toInsecureStringWithClip());
}
}
}
pw.print(prefix); pw.print(full ? " * " : " "); pw.print(label);
pw.print(" #"); pw.print(i); pw.print(": ");
pw.println(r);
if (full) {
r.dump(pw, innerPrefix);
} else if (complete) {
// Complete + brief == give a summary. Isn't that obvious?!?
pw.print(innerPrefix); pw.println(r.intent.toInsecureString());
if (r.app != null) {
pw.print(innerPrefix); pw.println(r.app);
}
}
if (client && r.attachedToProcess()) {
// flush anything that is already in the PrintWriter since the thread is going
// to write to the file descriptor directly
pw.flush();
try {
TransferPipe tp = new TransferPipe();
try {
r.app.getThread().dumpActivity(
tp.getWriteFd(), r.appToken, innerPrefix, args);
// Short timeout, since blocking here can deadlock with the application.
tp.go(fd, 2000);
} finally {
tp.kill();
}
} catch (IOException e) {
pw.println(innerPrefix + "Failure while dumping the activity: " + e);
} catch (RemoteException e) {
pw.println(innerPrefix + "Got a RemoteException while dumping the activity");
}
needNL = true;
}
}
return printed;
}
void scheduleIdleTimeoutLocked(ActivityRecord next) {
if (DEBUG_IDLE) Slog.d(TAG_IDLE,
"scheduleIdleTimeoutLocked: Callers=" + Debug.getCallers(4));
Message msg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG, next);
mHandler.sendMessageDelayed(msg, IDLE_TIMEOUT);
}
final void scheduleIdleLocked() {
mHandler.sendEmptyMessage(IDLE_NOW_MSG);
}
/**
* Updates the record of top resumed activity when it changes and handles reporting of the
* state changes to previous and new top activities. It will immediately dispatch top resumed
* state loss message to previous top activity (if haven't done it already). After the previous
* activity releases the top state and reports back, message about acquiring top state will be
* sent to the new top resumed activity.
*/
void updateTopResumedActivityIfNeeded() {
final ActivityRecord prevTopActivity = mTopResumedActivity;
final ActivityStack topStack = mRootActivityContainer.getTopDisplayFocusedStack();
if (topStack == null || topStack.mResumedActivity == prevTopActivity) {
return;
}
// Ask previous activity to release the top state.
final boolean prevActivityReceivedTopState =
prevTopActivity != null && !mTopResumedActivityWaitingForPrev;
// mTopResumedActivityWaitingForPrev == true at this point would mean that an activity
// before the prevTopActivity one hasn't reported back yet. So server never sent the top
// resumed state change message to prevTopActivity.
if (prevActivityReceivedTopState
&& prevTopActivity.scheduleTopResumedActivityChanged(false /* onTop */)) {
scheduleTopResumedStateLossTimeout(prevTopActivity);
mTopResumedActivityWaitingForPrev = true;
}
// Update the current top activity.
mTopResumedActivity = topStack.mResumedActivity;
scheduleTopResumedActivityStateIfNeeded();
}
/** Schedule top resumed state change if previous top activity already reported back. */
private void scheduleTopResumedActivityStateIfNeeded() {
if (mTopResumedActivity != null && !mTopResumedActivityWaitingForPrev) {
mTopResumedActivity.scheduleTopResumedActivityChanged(true /* onTop */);
}
}
/**
* Limit the time given to the app to report handling of the state loss.
*/
private void scheduleTopResumedStateLossTimeout(ActivityRecord r) {
final Message msg = mHandler.obtainMessage(TOP_RESUMED_STATE_LOSS_TIMEOUT_MSG);
msg.obj = r;
r.topResumedStateLossTime = SystemClock.uptimeMillis();
mHandler.sendMessageDelayed(msg, TOP_RESUMED_STATE_LOSS_TIMEOUT);
if (DEBUG_STATES) Slog.v(TAG_STATES, "Waiting for top state to be released by " + r);
}
/**
* Handle a loss of top resumed state by an activity - update internal state and inform next top
* activity if needed.
*/
void handleTopResumedStateReleased(boolean timeout) {
if (DEBUG_STATES) {
Slog.v(TAG_STATES, "Top resumed state released "
+ (timeout ? " (due to timeout)" : " (transition complete)"));
}
mHandler.removeMessages(TOP_RESUMED_STATE_LOSS_TIMEOUT_MSG);
if (!mTopResumedActivityWaitingForPrev) {
// Top resumed activity state loss already handled.
return;
}
mTopResumedActivityWaitingForPrev = false;
scheduleTopResumedActivityStateIfNeeded();
}
void removeTimeoutsForActivityLocked(ActivityRecord r) {
if (DEBUG_IDLE) Slog.d(TAG_IDLE, "removeTimeoutsForActivity: Callers="
+ Debug.getCallers(4));
mHandler.removeMessages(IDLE_TIMEOUT_MSG, r);
}
final void scheduleResumeTopActivities() {
if (!mHandler.hasMessages(RESUME_TOP_ACTIVITY_MSG)) {
mHandler.sendEmptyMessage(RESUME_TOP_ACTIVITY_MSG);
}
}
void removeSleepTimeouts() {
mHandler.removeMessages(SLEEP_TIMEOUT_MSG);
}
final void scheduleSleepTimeout() {
removeSleepTimeouts();
mHandler.sendEmptyMessageDelayed(SLEEP_TIMEOUT_MSG, SLEEP_TIMEOUT);
}
void removeRestartTimeouts(ActivityRecord r) {
mHandler.removeMessages(RESTART_ACTIVITY_PROCESS_TIMEOUT_MSG, r);
}
final void scheduleRestartTimeout(ActivityRecord r) {
removeRestartTimeouts(r);
mHandler.sendMessageDelayed(mHandler.obtainMessage(RESTART_ACTIVITY_PROCESS_TIMEOUT_MSG, r),
WindowManagerService.WINDOW_FREEZE_TIMEOUT_DURATION);
}
void handleNonResizableTaskIfNeeded(TaskRecord task, int preferredWindowingMode,
int preferredDisplayId, ActivityStack actualStack) {
handleNonResizableTaskIfNeeded(task, preferredWindowingMode, preferredDisplayId,
actualStack, false /* forceNonResizable */);
}
void handleNonResizableTaskIfNeeded(TaskRecord task, int preferredWindowingMode,
int preferredDisplayId, ActivityStack actualStack, boolean forceNonResizable) {
final boolean isSecondaryDisplayPreferred =
(preferredDisplayId != DEFAULT_DISPLAY && preferredDisplayId != INVALID_DISPLAY);
final boolean inSplitScreenMode = actualStack != null
&& actualStack.getDisplay().hasSplitScreenPrimaryStack();
if (((!inSplitScreenMode && preferredWindowingMode != WINDOWING_MODE_SPLIT_SCREEN_PRIMARY)
&& !isSecondaryDisplayPreferred) || !task.isActivityTypeStandardOrUndefined()) {
return;
}
// Handle incorrect launch/move to secondary display if needed.
if (isSecondaryDisplayPreferred) {
final int actualDisplayId = task.getStack().mDisplayId;
if (!task.canBeLaunchedOnDisplay(actualDisplayId)) {
throw new IllegalStateException("Task resolved to incompatible display");
}
final ActivityDisplay preferredDisplay =
mRootActivityContainer.getActivityDisplay(preferredDisplayId);
final boolean singleTaskInstance = preferredDisplay != null
&& preferredDisplay.isSingleTaskInstance();
if (preferredDisplayId != actualDisplayId) {
// Suppress the warning toast if the preferredDisplay was set to singleTask.
// The singleTaskInstance displays will only contain one task and any attempt to
// launch new task will re-route to the default display.
if (singleTaskInstance) {
mService.getTaskChangeNotificationController()
.notifyActivityLaunchOnSecondaryDisplayRerouted(task.getTaskInfo(),
preferredDisplayId);
return;
}
Slog.w(TAG, "Failed to put " + task + " on display " + preferredDisplayId);
// Display a warning toast that we failed to put a task on a secondary display.
mService.getTaskChangeNotificationController()
.notifyActivityLaunchOnSecondaryDisplayFailed(task.getTaskInfo(),
preferredDisplayId);
} else if (!forceNonResizable) {
handleForcedResizableTaskIfNeeded(task, FORCED_RESIZEABLE_REASON_SECONDARY_DISPLAY);
}
// The information about not support secondary display should already be notified, we
// don't want to show another message on default display about split-screen. And it may
// be the case that a resizable activity is launched on a non-resizable task.
return;
}
if (!task.supportsSplitScreenWindowingMode() || forceNonResizable) {
// Dismiss docked stack. If task appeared to be in docked stack but is not resizable -
// we need to move it to top of fullscreen stack, otherwise it will be covered.
final ActivityStack dockedStack =
task.getStack().getDisplay().getSplitScreenPrimaryStack();
if (dockedStack != null) {
// Display a warning toast that we tried to put an app that doesn't support
// split-screen in split-screen.
mService.getTaskChangeNotificationController()
.notifyActivityDismissingDockedStack();
moveTasksToFullscreenStackLocked(dockedStack, actualStack == dockedStack);
}
return;
}
handleForcedResizableTaskIfNeeded(task, FORCED_RESIZEABLE_REASON_SPLIT_SCREEN);
}
/** Notifies that the top activity of the task is forced to be resizeable. */
private void handleForcedResizableTaskIfNeeded(TaskRecord task, int reason) {
final ActivityRecord topActivity = task.getTopActivity();
if (topActivity == null || topActivity.noDisplay
|| !topActivity.isNonResizableOrForcedResizable()) {
return;
}
mService.getTaskChangeNotificationController().notifyActivityForcedResizable(
task.taskId, reason, topActivity.appInfo.packageName);
}
void activityRelaunchedLocked(IBinder token) {
mWindowManager.notifyAppRelaunchingFinished(token);
final ActivityRecord r = ActivityRecord.isInStackLocked(token);
if (r != null) {
if (r.getActivityStack().shouldSleepOrShutDownActivities()) {
r.setSleeping(true, true);
}
}
}
void activityRelaunchingLocked(ActivityRecord r) {
mWindowManager.notifyAppRelaunching(r.appToken);
}
void logStackState() {
mActivityMetricsLogger.logWindowState();
}
void scheduleUpdateMultiWindowMode(TaskRecord task) {
// If the stack is animating in a way where we will be forcing a multi-mode change at the
// end, then ensure that we defer all in between multi-window mode changes
if (task.getStack().deferScheduleMultiWindowModeChanged()) {
return;
}
for (int i = task.mActivities.size() - 1; i >= 0; i--) {
final ActivityRecord r = task.mActivities.get(i);
if (r.attachedToProcess()) {
mMultiWindowModeChangedActivities.add(r);
}
}
if (!mHandler.hasMessages(REPORT_MULTI_WINDOW_MODE_CHANGED_MSG)) {
mHandler.sendEmptyMessage(REPORT_MULTI_WINDOW_MODE_CHANGED_MSG);
}
}
void scheduleUpdatePictureInPictureModeIfNeeded(TaskRecord task, ActivityStack prevStack) {
final ActivityStack stack = task.getStack();
if (prevStack == null || prevStack == stack
|| (!prevStack.inPinnedWindowingMode() && !stack.inPinnedWindowingMode())) {
return;
}
scheduleUpdatePictureInPictureModeIfNeeded(task, stack.getRequestedOverrideBounds());
}
void scheduleUpdatePictureInPictureModeIfNeeded(TaskRecord task, Rect targetStackBounds) {
for (int i = task.mActivities.size() - 1; i >= 0; i--) {
final ActivityRecord r = task.mActivities.get(i);
if (r.attachedToProcess()) {
mPipModeChangedActivities.add(r);
// If we are scheduling pip change, then remove this activity from multi-window
// change list as the processing of pip change will make sure multi-window changed
// message is processed in the right order relative to pip changed.
mMultiWindowModeChangedActivities.remove(r);
}
}
mPipModeChangedTargetStackBounds = targetStackBounds;
if (!mHandler.hasMessages(REPORT_PIP_MODE_CHANGED_MSG)) {
mHandler.sendEmptyMessage(REPORT_PIP_MODE_CHANGED_MSG);
}
}
void updatePictureInPictureMode(TaskRecord task, Rect targetStackBounds, boolean forceUpdate) {
mHandler.removeMessages(REPORT_PIP_MODE_CHANGED_MSG);
for (int i = task.mActivities.size() - 1; i >= 0; i--) {
final ActivityRecord r = task.mActivities.get(i);
if (r.attachedToProcess()) {
r.updatePictureInPictureMode(targetStackBounds, forceUpdate);
}
}
}
void wakeUp(String reason) {
mPowerManager.wakeUp(SystemClock.uptimeMillis(), PowerManager.WAKE_REASON_APPLICATION,
"android.server.am:TURN_ON:" + reason);
}
/**
* Begin deferring resume to avoid duplicate resumes in one pass.
*/
void beginDeferResume() {
mDeferResumeCount++;
}
/**
* End deferring resume and determine if resume can be called.
*/
void endDeferResume() {
mDeferResumeCount--;
}
/** @return True if resume can be called. */
boolean readyToResume() {
return mDeferResumeCount == 0;
}
private final class ActivityStackSupervisorHandler extends Handler {
public ActivityStackSupervisorHandler(Looper looper) {
super(looper);
}
void activityIdleInternal(ActivityRecord r, boolean processPausingActivities) {
synchronized (mService.mGlobalLock) {
activityIdleInternalLocked(r != null ? r.appToken : null, true /* fromTimeout */,
processPausingActivities, null);
}
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case REPORT_MULTI_WINDOW_MODE_CHANGED_MSG: {
synchronized (mService.mGlobalLock) {
for (int i = mMultiWindowModeChangedActivities.size() - 1; i >= 0; i--) {
final ActivityRecord r = mMultiWindowModeChangedActivities.remove(i);
r.updateMultiWindowMode();
}
}
} break;
case REPORT_PIP_MODE_CHANGED_MSG: {
synchronized (mService.mGlobalLock) {
for (int i = mPipModeChangedActivities.size() - 1; i >= 0; i--) {
final ActivityRecord r = mPipModeChangedActivities.remove(i);
r.updatePictureInPictureMode(mPipModeChangedTargetStackBounds,
false /* forceUpdate */);
}
}
} break;
case IDLE_TIMEOUT_MSG: {
if (DEBUG_IDLE) Slog.d(TAG_IDLE,
"handleMessage: IDLE_TIMEOUT_MSG: r=" + msg.obj);
// We don't at this point know if the activity is fullscreen,
// so we need to be conservative and assume it isn't.
activityIdleInternal((ActivityRecord) msg.obj,
true /* processPausingActivities */);
} break;
case IDLE_NOW_MSG: {
if (DEBUG_IDLE) Slog.d(TAG_IDLE, "handleMessage: IDLE_NOW_MSG: r=" + msg.obj);
activityIdleInternal((ActivityRecord) msg.obj,
false /* processPausingActivities */);
} break;
case RESUME_TOP_ACTIVITY_MSG: {
synchronized (mService.mGlobalLock) {
mRootActivityContainer.resumeFocusedStacksTopActivities();
}
} break;
case SLEEP_TIMEOUT_MSG: {
synchronized (mService.mGlobalLock) {
if (mService.isSleepingOrShuttingDownLocked()) {
Slog.w(TAG, "Sleep timeout! Sleeping now.");
checkReadyForSleepLocked(false /* allowDelay */);
}
}
} break;
case LAUNCH_TIMEOUT_MSG: {
synchronized (mService.mGlobalLock) {
if (mLaunchingActivityWakeLock.isHeld()) {
Slog.w(TAG, "Launch timeout has expired, giving up wake lock!");
if (VALIDATE_WAKE_LOCK_CALLER
&& Binder.getCallingUid() != Process.myUid()) {
throw new IllegalStateException("Calling must be system uid");
}
mLaunchingActivityWakeLock.release();
}
}
} break;
case LAUNCH_TASK_BEHIND_COMPLETE: {
synchronized (mService.mGlobalLock) {
ActivityRecord r = ActivityRecord.forTokenLocked((IBinder) msg.obj);
if (r != null) {
handleLaunchTaskBehindCompleteLocked(r);
}
}
} break;
case RESTART_ACTIVITY_PROCESS_TIMEOUT_MSG: {
final ActivityRecord r = (ActivityRecord) msg.obj;
String processName = null;
int uid = 0;
synchronized (mService.mGlobalLock) {
if (r.attachedToProcess()
&& r.isState(ActivityStack.ActivityState.RESTARTING_PROCESS)) {
processName = r.app.mName;
uid = r.app.mUid;
}
}
if (processName != null) {
mService.mAmInternal.killProcess(processName, uid,
"restartActivityProcessTimeout");
}
} break;
case REPORT_HOME_CHANGED_MSG: {
synchronized (mService.mGlobalLock) {
mHandler.removeMessages(REPORT_HOME_CHANGED_MSG);
// Start home activities on displays with no activities.
mRootActivityContainer.startHomeOnEmptyDisplays("homeChanged");
}
} break;
case TOP_RESUMED_STATE_LOSS_TIMEOUT_MSG: {
ActivityRecord r = (ActivityRecord) msg.obj;
Slog.w(TAG, "Activity top resumed state loss timeout for " + r);
synchronized (mService.mGlobalLock) {
if (r.hasProcess()) {
mService.logAppTooSlow(r.app, r.topResumedStateLossTime,
"top state loss for " + r);
}
}
handleTopResumedStateReleased(true /* timeout */);
} break;
}
}
}
/**
* Puts a task into resizing mode during the next app transition.
*
* @param task The task to put into resizing mode
*/
void setResizingDuringAnimation(TaskRecord task) {
mResizingTasksDuringAnimation.add(task.taskId);
task.setTaskDockedResizing(true);
}
int startActivityFromRecents(int callingPid, int callingUid, int taskId,
SafeActivityOptions options) {
TaskRecord task = null;
final String callingPackage;
final Intent intent;
final int userId;
int activityType = ACTIVITY_TYPE_UNDEFINED;
int windowingMode = WINDOWING_MODE_UNDEFINED;
final ActivityOptions activityOptions = options != null
? options.getOptions(this)
: null;
if (activityOptions != null) {
activityType = activityOptions.getLaunchActivityType();
windowingMode = activityOptions.getLaunchWindowingMode();
if (activityOptions.freezeRecentTasksReordering()
&& mRecentTasks.isCallerRecents(callingUid)) {
mRecentTasks.setFreezeTaskListReordering();
}
}
if (activityType == ACTIVITY_TYPE_HOME || activityType == ACTIVITY_TYPE_RECENTS) {
throw new IllegalArgumentException("startActivityFromRecents: Task "
+ taskId + " can't be launch in the home/recents stack.");
}
mWindowManager.deferSurfaceLayout();
try {
if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) {
mWindowManager.setDockedStackCreateState(
activityOptions.getSplitScreenCreateMode(), null /* initialBounds */);
// Defer updating the stack in which recents is until the app transition is done, to
// not run into issues where we still need to draw the task in recents but the
// docked stack is already created.
deferUpdateRecentsHomeStackBounds();
// TODO(multi-display): currently recents animation only support default display.
mWindowManager.prepareAppTransition(TRANSIT_DOCK_TASK_FROM_RECENTS, false);
}
task = mRootActivityContainer.anyTaskForId(taskId,
MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE, activityOptions, ON_TOP);
if (task == null) {
continueUpdateRecentsHomeStackBounds();
mWindowManager.executeAppTransition();
throw new IllegalArgumentException(
"startActivityFromRecents: Task " + taskId + " not found.");
}
if (windowingMode != WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) {
// We always want to return to the home activity instead of the recents activity
// from whatever is started from the recents activity, so move the home stack
// forward.
// TODO (b/115289124): Multi-display supports for recents.
mRootActivityContainer.getDefaultDisplay().moveHomeStackToFront(
"startActivityFromRecents");
}
// If the user must confirm credentials (e.g. when first launching a work app and the
// Work Challenge is present) let startActivityInPackage handle the intercepting.
if (!mService.mAmInternal.shouldConfirmCredentials(task.userId)
&& task.getRootActivity() != null) {
final ActivityRecord targetActivity = task.getTopActivity();
mRootActivityContainer.sendPowerHintForLaunchStartIfNeeded(
true /* forceSend */, targetActivity);
mActivityMetricsLogger.notifyActivityLaunching(task.intent);
try {
mService.moveTaskToFrontLocked(null /* appThread */, null /* callingPackage */,
task.taskId, 0, options, true /* fromRecents */);
// Apply options to prevent pendingOptions be taken by client to make sure
// the override pending app transition will be applied immediately.
targetActivity.applyOptionsLocked();
} finally {
mActivityMetricsLogger.notifyActivityLaunched(START_TASK_TO_FRONT,
targetActivity);
}
mService.getActivityStartController().postStartActivityProcessingForLastStarter(
task.getTopActivity(), ActivityManager.START_TASK_TO_FRONT,
task.getStack());
return ActivityManager.START_TASK_TO_FRONT;
}
callingPackage = task.mCallingPackage;
intent = task.intent;
intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY);
userId = task.userId;
return mService.getActivityStartController().startActivityInPackage(
task.mCallingUid, callingPid, callingUid, callingPackage, intent, null, null,
null, 0, 0, options, userId, task, "startActivityFromRecents",
false /* validateIncomingUser */, null /* originatingPendingIntent */,
false /* allowBackgroundActivityStart */);
} finally {
if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY && task != null) {
// If we are launching the task in the docked stack, put it into resizing mode so
// the window renders full-screen with the background filling the void. Also only
// call this at the end to make sure that tasks exists on the window manager side.
setResizingDuringAnimation(task);
final ActivityDisplay display = task.getStack().getDisplay();
final ActivityStack topSecondaryStack =
display.getTopStackInWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_SECONDARY);
if (topSecondaryStack.isActivityTypeHome()) {
// If the home activity is the top split-screen secondary stack, then the
// primary split-screen stack is in the minimized mode which means it can't
// receive input keys, so we should move the focused app to the home app so that
// window manager can correctly calculate the focus window that can receive
// input keys.
display.moveHomeStackToFront(
"startActivityFromRecents: homeVisibleInSplitScreen");
// Immediately update the minimized docked stack mode, the upcoming animation
// for the docked activity (WMS.overridePendingAppTransitionMultiThumbFuture)
// will do the animation to the target bounds
mWindowManager.checkSplitScreenMinimizedChanged(false /* animate */);
}
}
mWindowManager.continueSurfaceLayout();
}
}
/**
* Internal container to store a match qualifier alongside a WaitResult.
*/
static class WaitInfo {
private final ComponentName mTargetComponent;
private final WaitResult mResult;
/** Time stamp when we started to wait for {@link WaitResult}. */
private final long mStartTimeMs;
WaitInfo(ComponentName targetComponent, WaitResult result, long startTimeMs) {
this.mTargetComponent = targetComponent;
this.mResult = result;
this.mStartTimeMs = startTimeMs;
}
public boolean matches(ComponentName targetComponent) {
return mTargetComponent == null || mTargetComponent.equals(targetComponent);
}
public WaitResult getResult() {
return mResult;
}
public long getStartTime() {
return mStartTimeMs;
}
public ComponentName getComponent() {
return mTargetComponent;
}
public void dump(PrintWriter pw, String prefix) {
pw.println(prefix + "WaitInfo:");
pw.println(prefix + " mTargetComponent=" + mTargetComponent);
pw.println(prefix + " mResult=");
mResult.dump(pw, prefix);
}
}
}