4ef2693a24
The idea of multiple processes serving as home was unfeasible.
- Revert "Allow for more than one home app." commit
e428a7f662.
- Assign ActivityManagerService.mHomeProcess to the process of the
root activity of the home task.
Addresses bug 10342471.
Change-Id: Ifb494626107d24de1306e320a18206d5b176a7c0
3561 lines
157 KiB
Java
3561 lines
157 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.am;
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import static com.android.server.am.ActivityManagerService.TAG;
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import static com.android.server.am.ActivityManagerService.localLOGV;
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import static com.android.server.am.ActivityManagerService.DEBUG_CLEANUP;
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import static com.android.server.am.ActivityManagerService.DEBUG_CONFIGURATION;
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import static com.android.server.am.ActivityManagerService.DEBUG_PAUSE;
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import static com.android.server.am.ActivityManagerService.DEBUG_RESULTS;
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import static com.android.server.am.ActivityManagerService.DEBUG_STACK;
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import static com.android.server.am.ActivityManagerService.DEBUG_SWITCH;
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import static com.android.server.am.ActivityManagerService.DEBUG_TASKS;
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import static com.android.server.am.ActivityManagerService.DEBUG_TRANSITION;
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import static com.android.server.am.ActivityManagerService.DEBUG_USER_LEAVING;
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import static com.android.server.am.ActivityManagerService.DEBUG_VISBILITY;
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import static com.android.server.am.ActivityManagerService.VALIDATE_TOKENS;
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import static com.android.server.am.ActivityStackSupervisor.DEBUG_ADD_REMOVE;
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import static com.android.server.am.ActivityStackSupervisor.DEBUG_APP;
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import static com.android.server.am.ActivityStackSupervisor.DEBUG_SAVED_STATE;
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import static com.android.server.am.ActivityStackSupervisor.DEBUG_STATES;
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import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID;
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import android.os.Trace;
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import com.android.internal.os.BatteryStatsImpl;
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import com.android.internal.util.Objects;
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import com.android.server.Watchdog;
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import com.android.server.am.ActivityManagerService.ItemMatcher;
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import com.android.server.wm.AppTransition;
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import com.android.server.wm.TaskGroup;
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import com.android.server.wm.WindowManagerService;
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import android.app.Activity;
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import android.app.ActivityManager;
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import android.app.ActivityOptions;
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import android.app.AppGlobals;
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import android.app.IActivityController;
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import android.app.IThumbnailReceiver;
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import android.app.ResultInfo;
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import android.app.ActivityManager.RunningTaskInfo;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.ActivityInfo;
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import android.content.pm.PackageManager;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.Bitmap.Config;
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import android.net.Uri;
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import android.os.Binder;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.Looper;
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import android.os.Message;
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import android.os.PowerManager;
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import android.os.RemoteException;
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import android.os.SystemClock;
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import android.os.UserHandle;
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import android.util.EventLog;
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import android.util.Slog;
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import android.view.Display;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.lang.ref.WeakReference;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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/**
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* State and management of a single stack of activities.
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*/
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final class ActivityStack {
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// Ticks during which we check progress while waiting for an app to launch.
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static final int LAUNCH_TICK = 500;
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// How long we wait until giving up on the last activity to pause. This
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// is short because it directly impacts the responsiveness of starting the
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// next activity.
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static final int PAUSE_TIMEOUT = 500;
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// How long we wait for the activity to tell us it has stopped before
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// giving up. This is a good amount of time because we really need this
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// from the application in order to get its saved state.
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static final int STOP_TIMEOUT = 10*1000;
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// How long we wait until giving up on an activity telling us it has
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// finished destroying itself.
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static final int DESTROY_TIMEOUT = 10*1000;
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// How long until we reset a task when the user returns to it. Currently
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// disabled.
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static final long ACTIVITY_INACTIVE_RESET_TIME = 0;
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// How long between activity launches that we consider safe to not warn
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// the user about an unexpected activity being launched on top.
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static final long START_WARN_TIME = 5*1000;
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// Set to false to disable the preview that is shown while a new activity
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// is being started.
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static final boolean SHOW_APP_STARTING_PREVIEW = true;
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// How long to wait for all background Activities to redraw following a call to
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// convertToTranslucent().
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static final long TRANSLUCENT_CONVERSION_TIMEOUT = 2000;
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enum ActivityState {
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INITIALIZING,
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RESUMED,
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PAUSING,
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PAUSED,
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STOPPING,
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STOPPED,
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FINISHING,
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DESTROYING,
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DESTROYED
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}
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final ActivityManagerService mService;
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final WindowManagerService mWindowManager;
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final Context mContext;
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/**
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* The back history of all previous (and possibly still
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* running) activities. It contains #TaskRecord objects.
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*/
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private ArrayList<TaskRecord> mTaskHistory = new ArrayList<TaskRecord>();
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/**
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* Used for validating app tokens with window manager.
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*/
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final ArrayList<TaskGroup> mValidateAppTokens = new ArrayList<TaskGroup>();
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/**
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* List of running activities, sorted by recent usage.
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* The first entry in the list is the least recently used.
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* It contains HistoryRecord objects.
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*/
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final ArrayList<ActivityRecord> mLRUActivities = new ArrayList<ActivityRecord>();
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/**
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* Animations that for the current transition have requested not to
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* be considered for the transition animation.
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*/
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final ArrayList<ActivityRecord> mNoAnimActivities = new ArrayList<ActivityRecord>();
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/**
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* When we are in the process of pausing an activity, before starting the
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* next one, this variable holds the activity that is currently being paused.
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*/
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ActivityRecord mPausingActivity = null;
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/**
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* This is the last activity that we put into the paused state. This is
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* used to determine if we need to do an activity transition while sleeping,
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* when we normally hold the top activity paused.
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*/
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ActivityRecord mLastPausedActivity = null;
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/**
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* Activities that specify No History must be removed once the user navigates away from them.
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* If the device goes to sleep with such an activity in the paused state then we save it here
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* and finish it later if another activity replaces it on wakeup.
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*/
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ActivityRecord mLastNoHistoryActivity = null;
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/**
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* Current activity that is resumed, or null if there is none.
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*/
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ActivityRecord mResumedActivity = null;
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/**
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* This is the last activity that has been started. It is only used to
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* identify when multiple activities are started at once so that the user
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* can be warned they may not be in the activity they think they are.
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*/
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ActivityRecord mLastStartedActivity = null;
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// The topmost Activity passed to convertToTranslucent(). When non-null it means we are
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// waiting for all Activities in mUndrawnActivitiesBelowTopTranslucent to be removed as they
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// are drawn. When the last member of mUndrawnActivitiesBelowTopTranslucent is removed the
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// Activity in mTranslucentActivityWaiting is notified via
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// Activity.onTranslucentConversionComplete(false). If a timeout occurs prior to the last
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// background activity being drawn then the same call will be made with a true value.
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ActivityRecord mTranslucentActivityWaiting = null;
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ArrayList<ActivityRecord> mUndrawnActivitiesBelowTopTranslucent =
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new ArrayList<ActivityRecord>();
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/**
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* Set when we know we are going to be calling updateConfiguration()
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* soon, so want to skip intermediate config checks.
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*/
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boolean mConfigWillChange;
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long mLaunchStartTime = 0;
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long mFullyDrawnStartTime = 0;
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/**
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* Save the most recent screenshot for reuse. This keeps Recents from taking two identical
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* screenshots, one for the Recents thumbnail and one for the pauseActivity thumbnail.
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*/
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private ActivityRecord mLastScreenshotActivity = null;
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private Bitmap mLastScreenshotBitmap = null;
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int mThumbnailWidth = -1;
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int mThumbnailHeight = -1;
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int mCurrentUser;
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final int mStackId;
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/** Run all ActivityStacks through this */
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final ActivityStackSupervisor mStackSupervisor;
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static final int PAUSE_TIMEOUT_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 1;
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static final int DESTROY_TIMEOUT_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 2;
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static final int LAUNCH_TICK_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 3;
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static final int STOP_TIMEOUT_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 4;
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static final int DESTROY_ACTIVITIES_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 5;
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static final int TRANSLUCENT_TIMEOUT_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 6;
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static class ScheduleDestroyArgs {
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final ProcessRecord mOwner;
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final boolean mOomAdj;
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final String mReason;
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ScheduleDestroyArgs(ProcessRecord owner, boolean oomAdj, String reason) {
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mOwner = owner;
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mOomAdj = oomAdj;
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mReason = reason;
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}
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}
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final Handler mHandler;
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final class ActivityStackHandler extends Handler {
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//public Handler() {
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// if (localLOGV) Slog.v(TAG, "Handler started!");
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//}
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ActivityStackHandler(Looper looper) {
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super(looper);
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}
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case PAUSE_TIMEOUT_MSG: {
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ActivityRecord r = (ActivityRecord)msg.obj;
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// We don't at this point know if the activity is fullscreen,
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// so we need to be conservative and assume it isn't.
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Slog.w(TAG, "Activity pause timeout for " + r);
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synchronized (mService) {
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if (r.app != null) {
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mService.logAppTooSlow(r.app, r.pauseTime, "pausing " + r);
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}
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activityPausedLocked(r.appToken, true);
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}
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} break;
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case LAUNCH_TICK_MSG: {
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ActivityRecord r = (ActivityRecord)msg.obj;
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synchronized (mService) {
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if (r.continueLaunchTickingLocked()) {
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mService.logAppTooSlow(r.app, r.launchTickTime, "launching " + r);
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}
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}
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} break;
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case DESTROY_TIMEOUT_MSG: {
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ActivityRecord r = (ActivityRecord)msg.obj;
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// We don't at this point know if the activity is fullscreen,
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// so we need to be conservative and assume it isn't.
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Slog.w(TAG, "Activity destroy timeout for " + r);
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synchronized (mService) {
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activityDestroyedLocked(r != null ? r.appToken : null);
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}
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} break;
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case STOP_TIMEOUT_MSG: {
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ActivityRecord r = (ActivityRecord)msg.obj;
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// We don't at this point know if the activity is fullscreen,
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// so we need to be conservative and assume it isn't.
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Slog.w(TAG, "Activity stop timeout for " + r);
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synchronized (mService) {
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if (r.isInHistory()) {
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activityStoppedLocked(r, null, null, null);
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}
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}
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} break;
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case DESTROY_ACTIVITIES_MSG: {
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ScheduleDestroyArgs args = (ScheduleDestroyArgs)msg.obj;
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synchronized (mService) {
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destroyActivitiesLocked(args.mOwner, args.mOomAdj, args.mReason);
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}
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} break;
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case TRANSLUCENT_TIMEOUT_MSG: {
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synchronized (mService) {
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notifyActivityDrawnLocked(null);
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}
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} break;
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}
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}
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}
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private int numActivities() {
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int count = 0;
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for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
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count += mTaskHistory.get(taskNdx).mActivities.size();
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}
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return count;
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}
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ActivityStack(ActivityManagerService service, Context context, Looper looper, int stackId) {
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mHandler = new ActivityStackHandler(looper);
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mService = service;
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mWindowManager = service.mWindowManager;
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mStackSupervisor = service.mStackSupervisor;
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mContext = context;
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mStackId = stackId;
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mCurrentUser = service.mCurrentUserId;
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}
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private boolean okToShow(ActivityRecord r) {
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return r.userId == mCurrentUser
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|| (r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0;
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}
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final ActivityRecord topRunningActivityLocked(ActivityRecord notTop) {
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for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
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final TaskRecord task = mTaskHistory.get(taskNdx);
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final ArrayList<ActivityRecord> activities = task.mActivities;
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for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
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ActivityRecord r = activities.get(activityNdx);
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if (!r.finishing && r != notTop && okToShow(r)) {
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return r;
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}
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}
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}
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return null;
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}
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final ActivityRecord topRunningNonDelayedActivityLocked(ActivityRecord notTop) {
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for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
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final TaskRecord task = mTaskHistory.get(taskNdx);
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final ArrayList<ActivityRecord> activities = task.mActivities;
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for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
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ActivityRecord r = activities.get(activityNdx);
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if (!r.finishing && !r.delayedResume && r != notTop && okToShow(r)) {
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return r;
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}
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}
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}
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return null;
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}
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/**
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* This is a simplified version of topRunningActivityLocked that provides a number of
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* optional skip-over modes. It is intended for use with the ActivityController hook only.
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*
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* @param token If non-null, any history records matching this token will be skipped.
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* @param taskId If non-zero, we'll attempt to skip over records with the same task ID.
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*
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* @return Returns the HistoryRecord of the next activity on the stack.
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*/
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final ActivityRecord topRunningActivityLocked(IBinder token, int taskId) {
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for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
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TaskRecord task = mTaskHistory.get(taskNdx);
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if (task.taskId == taskId) {
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continue;
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}
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ArrayList<ActivityRecord> activities = task.mActivities;
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for (int i = activities.size() - 1; i >= 0; --i) {
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final ActivityRecord r = activities.get(i);
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// Note: the taskId check depends on real taskId fields being non-zero
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if (!r.finishing && (token != r.appToken) && okToShow(r)) {
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return r;
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}
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}
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}
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return null;
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}
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final ActivityRecord topActivity() {
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// Iterate to find the first non-empty task stack. Note that this code can
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// be simplified once we stop storing tasks with empty mActivities lists.
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for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
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ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
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for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
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return activities.get(activityNdx);
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}
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}
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return null;
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}
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final TaskRecord topTask() {
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final int size = mTaskHistory.size();
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if (size > 0) {
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return mTaskHistory.get(size - 1);
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}
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return null;
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}
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TaskRecord taskForIdLocked(int id) {
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for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
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final TaskRecord task = mTaskHistory.get(taskNdx);
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if (task.taskId == id) {
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return task;
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}
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}
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return null;
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}
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ActivityRecord isInStackLocked(IBinder token) {
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final ActivityRecord r = ActivityRecord.forToken(token);
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if (r != null) {
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final TaskRecord task = r.task;
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if (task.mActivities.contains(r) && mTaskHistory.contains(task)) {
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if (task.stack != this) Slog.w(TAG,
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"Illegal state! task does not point to stack it is in.");
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return r;
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}
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}
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return null;
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}
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boolean containsApp(ProcessRecord app) {
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if (app == null) {
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return false;
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}
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for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
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final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
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for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
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final ActivityRecord r = activities.get(activityNdx);
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if (r.finishing) {
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continue;
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}
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if (r.app == app) {
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return true;
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}
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}
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}
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return false;
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}
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final boolean updateLRUListLocked(ActivityRecord r) {
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final boolean hadit = mLRUActivities.remove(r);
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mLRUActivities.add(r);
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return hadit;
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}
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final boolean isHomeStack() {
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return mStackId == HOME_STACK_ID;
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}
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/**
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* Returns the top activity in any existing task matching the given
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* Intent. Returns null if no such task is found.
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*/
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ActivityRecord findTaskLocked(ActivityRecord target) {
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Intent intent = target.intent;
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ActivityInfo info = target.info;
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ComponentName cls = intent.getComponent();
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if (info.targetActivity != null) {
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cls = new ComponentName(info.packageName, info.targetActivity);
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}
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final int userId = UserHandle.getUserId(info.applicationInfo.uid);
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for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
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final TaskRecord task = mTaskHistory.get(taskNdx);
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if (task.userId != userId) {
|
|
// Looking for a different task.
|
|
continue;
|
|
}
|
|
final ActivityRecord r = task.getTopActivity();
|
|
if (r == null || r.finishing || r.userId != userId ||
|
|
r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) {
|
|
continue;
|
|
}
|
|
|
|
//Slog.i(TAG, "Comparing existing cls=" + r.task.intent.getComponent().flattenToShortString()
|
|
// + "/aff=" + r.task.affinity + " to new cls="
|
|
// + intent.getComponent().flattenToShortString() + "/aff=" + taskAffinity);
|
|
if (task.affinity != null) {
|
|
if (task.affinity.equals(info.taskAffinity)) {
|
|
//Slog.i(TAG, "Found matching affinity!");
|
|
return r;
|
|
}
|
|
} else if (task.intent != null && task.intent.getComponent().equals(cls)) {
|
|
//Slog.i(TAG, "Found matching class!");
|
|
//dump();
|
|
//Slog.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent);
|
|
return r;
|
|
} else if (task.affinityIntent != null
|
|
&& task.affinityIntent.getComponent().equals(cls)) {
|
|
//Slog.i(TAG, "Found matching class!");
|
|
//dump();
|
|
//Slog.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent);
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns the first activity (starting from the top of the stack) that
|
|
* is the same as the given activity. Returns null if no such activity
|
|
* is found.
|
|
*/
|
|
ActivityRecord findActivityLocked(Intent intent, ActivityInfo info) {
|
|
ComponentName cls = intent.getComponent();
|
|
if (info.targetActivity != null) {
|
|
cls = new ComponentName(info.packageName, info.targetActivity);
|
|
}
|
|
final int userId = UserHandle.getUserId(info.applicationInfo.uid);
|
|
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
TaskRecord task = mTaskHistory.get(taskNdx);
|
|
if (task.userId != mCurrentUser) {
|
|
return null;
|
|
}
|
|
final ArrayList<ActivityRecord> activities = task.mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
ActivityRecord r = activities.get(activityNdx);
|
|
if (!r.finishing && r.intent.getComponent().equals(cls) && r.userId == userId) {
|
|
//Slog.i(TAG, "Found matching class!");
|
|
//dump();
|
|
//Slog.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent);
|
|
return r;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/*
|
|
* Move the activities around in the stack to bring a user to the foreground.
|
|
* @return whether there are any activities for the specified user.
|
|
*/
|
|
final boolean switchUserLocked(int userId) {
|
|
if (VALIDATE_TOKENS) {
|
|
validateAppTokensLocked();
|
|
}
|
|
if (mCurrentUser == userId) {
|
|
return true;
|
|
}
|
|
mCurrentUser = userId;
|
|
|
|
// Move userId's tasks to the top.
|
|
boolean haveActivities = false;
|
|
int index = mTaskHistory.size();
|
|
for (int i = 0; i < index; ++i) {
|
|
TaskRecord task = mTaskHistory.get(i);
|
|
if (task.userId == userId) {
|
|
haveActivities = true;
|
|
mTaskHistory.remove(i);
|
|
mTaskHistory.add(task);
|
|
--index;
|
|
}
|
|
}
|
|
|
|
return haveActivities;
|
|
}
|
|
|
|
void minimalResumeActivityLocked(ActivityRecord r) {
|
|
r.state = ActivityState.RESUMED;
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to RESUMED: " + r
|
|
+ " (starting new instance)");
|
|
r.stopped = false;
|
|
mResumedActivity = r;
|
|
r.task.touchActiveTime();
|
|
mService.addRecentTaskLocked(r.task);
|
|
completeResumeLocked(r);
|
|
mStackSupervisor.checkReadyForSleepLocked();
|
|
if (DEBUG_SAVED_STATE) Slog.i(TAG, "Launch completed; removing icicle of " + r.icicle);
|
|
}
|
|
|
|
private void startLaunchTraces() {
|
|
if (mFullyDrawnStartTime != 0) {
|
|
Trace.asyncTraceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER, "drawing", 0);
|
|
}
|
|
Trace.asyncTraceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "launching", 0);
|
|
Trace.asyncTraceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "drawing", 0);
|
|
}
|
|
|
|
private void stopFullyDrawnTraceIfNeeded() {
|
|
if (mFullyDrawnStartTime != 0 && mLaunchStartTime == 0) {
|
|
Trace.asyncTraceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER, "drawing", 0);
|
|
mFullyDrawnStartTime = 0;
|
|
}
|
|
}
|
|
|
|
void setLaunchTime(ActivityRecord r) {
|
|
if (r.displayStartTime == 0) {
|
|
r.fullyDrawnStartTime = r.displayStartTime = SystemClock.uptimeMillis();
|
|
if (mLaunchStartTime == 0) {
|
|
startLaunchTraces();
|
|
mLaunchStartTime = mFullyDrawnStartTime = r.displayStartTime;
|
|
}
|
|
} else if (mLaunchStartTime == 0) {
|
|
startLaunchTraces();
|
|
mLaunchStartTime = mFullyDrawnStartTime = SystemClock.uptimeMillis();
|
|
}
|
|
}
|
|
|
|
void clearLaunchTime(ActivityRecord r) {
|
|
// Make sure that there is no activity waiting for this to launch.
|
|
if (mStackSupervisor.mWaitingActivityLaunched.isEmpty()) {
|
|
r.displayStartTime = r.fullyDrawnStartTime = 0;
|
|
} else {
|
|
mStackSupervisor.removeTimeoutsForActivityLocked(r);
|
|
mStackSupervisor.scheduleIdleTimeoutLocked(r);
|
|
}
|
|
}
|
|
|
|
void awakeFromSleepingLocked() {
|
|
// Ensure activities are no longer sleeping.
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
activities.get(activityNdx).setSleeping(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return true if something must be done before going to sleep.
|
|
*/
|
|
boolean checkReadyForSleepLocked() {
|
|
if (mResumedActivity != null) {
|
|
// Still have something resumed; can't sleep until it is paused.
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Sleep needs to pause " + mResumedActivity);
|
|
if (DEBUG_USER_LEAVING) Slog.v(TAG, "Sleep => pause with userLeaving=false");
|
|
startPausingLocked(false, true);
|
|
return true;
|
|
}
|
|
if (mPausingActivity != null) {
|
|
// Still waiting for something to pause; can't sleep yet.
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Sleep still waiting to pause " + mPausingActivity);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void goToSleep() {
|
|
ensureActivitiesVisibleLocked(null, 0);
|
|
|
|
// Make sure any stopped but visible activities are now sleeping.
|
|
// This ensures that the activity's onStop() is called.
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
if (r.state == ActivityState.STOPPING || r.state == ActivityState.STOPPED) {
|
|
r.setSleeping(true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public final Bitmap screenshotActivities(ActivityRecord who) {
|
|
if (who.noDisplay) {
|
|
return null;
|
|
}
|
|
|
|
Resources res = mService.mContext.getResources();
|
|
int w = mThumbnailWidth;
|
|
int h = mThumbnailHeight;
|
|
if (w < 0) {
|
|
mThumbnailWidth = w =
|
|
res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_width);
|
|
mThumbnailHeight = h =
|
|
res.getDimensionPixelSize(com.android.internal.R.dimen.thumbnail_height);
|
|
}
|
|
|
|
if (w > 0) {
|
|
if (who != mLastScreenshotActivity || mLastScreenshotBitmap == null
|
|
|| mLastScreenshotBitmap.getWidth() != w
|
|
|| mLastScreenshotBitmap.getHeight() != h) {
|
|
mLastScreenshotActivity = who;
|
|
mLastScreenshotBitmap = mWindowManager.screenshotApplications(
|
|
who.appToken, Display.DEFAULT_DISPLAY, w, h);
|
|
}
|
|
if (mLastScreenshotBitmap != null) {
|
|
return mLastScreenshotBitmap.copy(Config.ARGB_8888, true);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
final void startPausingLocked(boolean userLeaving, boolean uiSleeping) {
|
|
if (mPausingActivity != null) {
|
|
Slog.e(TAG, "Trying to pause when pause is already pending for "
|
|
+ mPausingActivity, new RuntimeException("here").fillInStackTrace());
|
|
}
|
|
ActivityRecord prev = mResumedActivity;
|
|
if (prev == null) {
|
|
Slog.e(TAG, "Trying to pause when nothing is resumed",
|
|
new RuntimeException("here").fillInStackTrace());
|
|
mStackSupervisor.resumeTopActivitiesLocked();
|
|
return;
|
|
}
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to PAUSING: " + prev);
|
|
else if (DEBUG_PAUSE) Slog.v(TAG, "Start pausing: " + prev);
|
|
mResumedActivity = null;
|
|
mPausingActivity = prev;
|
|
mLastPausedActivity = prev;
|
|
mLastNoHistoryActivity = (prev.intent.getFlags() & Intent.FLAG_ACTIVITY_NO_HISTORY) != 0
|
|
|| (prev.info.flags & ActivityInfo.FLAG_NO_HISTORY) != 0 ? prev : null;
|
|
prev.state = ActivityState.PAUSING;
|
|
prev.task.touchActiveTime();
|
|
clearLaunchTime(prev);
|
|
prev.updateThumbnail(screenshotActivities(prev), null);
|
|
stopFullyDrawnTraceIfNeeded();
|
|
|
|
mService.updateCpuStats();
|
|
|
|
if (prev.app != null && prev.app.thread != null) {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Enqueueing pending pause: " + prev);
|
|
try {
|
|
EventLog.writeEvent(EventLogTags.AM_PAUSE_ACTIVITY,
|
|
prev.userId, System.identityHashCode(prev),
|
|
prev.shortComponentName);
|
|
mService.updateUsageStats(prev, false);
|
|
prev.app.thread.schedulePauseActivity(prev.appToken, prev.finishing,
|
|
userLeaving, prev.configChangeFlags);
|
|
} catch (Exception e) {
|
|
// Ignore exception, if process died other code will cleanup.
|
|
Slog.w(TAG, "Exception thrown during pause", e);
|
|
mPausingActivity = null;
|
|
mLastPausedActivity = null;
|
|
mLastNoHistoryActivity = null;
|
|
}
|
|
} else {
|
|
mPausingActivity = null;
|
|
mLastPausedActivity = null;
|
|
mLastNoHistoryActivity = null;
|
|
}
|
|
|
|
// If we are not going to sleep, we want to ensure the device is
|
|
// awake until the next activity is started.
|
|
if (!mService.isSleepingOrShuttingDown()) {
|
|
mStackSupervisor.acquireLaunchWakelock();
|
|
}
|
|
|
|
if (mPausingActivity != null) {
|
|
// Have the window manager pause its key dispatching until the new
|
|
// activity has started. If we're pausing the activity just because
|
|
// the screen is being turned off and the UI is sleeping, don't interrupt
|
|
// key dispatch; the same activity will pick it up again on wakeup.
|
|
if (!uiSleeping) {
|
|
prev.pauseKeyDispatchingLocked();
|
|
} else {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Key dispatch not paused for screen off");
|
|
}
|
|
|
|
// Schedule a pause timeout in case the app doesn't respond.
|
|
// We don't give it much time because this directly impacts the
|
|
// responsiveness seen by the user.
|
|
Message msg = mHandler.obtainMessage(PAUSE_TIMEOUT_MSG);
|
|
msg.obj = prev;
|
|
prev.pauseTime = SystemClock.uptimeMillis();
|
|
mHandler.sendMessageDelayed(msg, PAUSE_TIMEOUT);
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Waiting for pause to complete...");
|
|
} else {
|
|
// This activity failed to schedule the
|
|
// pause, so just treat it as being paused now.
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Activity not running, resuming next.");
|
|
mStackSupervisor.getFocusedStack().resumeTopActivityLocked(null);
|
|
}
|
|
}
|
|
|
|
final void activityPausedLocked(IBinder token, boolean timeout) {
|
|
if (DEBUG_PAUSE) Slog.v(
|
|
TAG, "Activity paused: token=" + token + ", timeout=" + timeout);
|
|
|
|
final ActivityRecord r = isInStackLocked(token);
|
|
if (r != null) {
|
|
mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r);
|
|
if (mPausingActivity == r) {
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to PAUSED: " + r
|
|
+ (timeout ? " (due to timeout)" : " (pause complete)"));
|
|
r.state = ActivityState.PAUSED;
|
|
completePauseLocked();
|
|
} else {
|
|
EventLog.writeEvent(EventLogTags.AM_FAILED_TO_PAUSE,
|
|
r.userId, System.identityHashCode(r), r.shortComponentName,
|
|
mPausingActivity != null
|
|
? mPausingActivity.shortComponentName : "(none)");
|
|
}
|
|
}
|
|
}
|
|
|
|
final void activityStoppedLocked(ActivityRecord r, Bundle icicle, Bitmap thumbnail,
|
|
CharSequence description) {
|
|
if (r.state != ActivityState.STOPPING) {
|
|
Slog.i(TAG, "Activity reported stop, but no longer stopping: " + r);
|
|
mHandler.removeMessages(STOP_TIMEOUT_MSG, r);
|
|
return;
|
|
}
|
|
if (DEBUG_SAVED_STATE) Slog.i(TAG, "Saving icicle of " + r + ": " + icicle);
|
|
if (icicle != null) {
|
|
// If icicle is null, this is happening due to a timeout, so we
|
|
// haven't really saved the state.
|
|
r.icicle = icicle;
|
|
r.haveState = true;
|
|
r.launchCount = 0;
|
|
r.updateThumbnail(thumbnail, description);
|
|
}
|
|
if (!r.stopped) {
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to STOPPED: " + r + " (stop complete)");
|
|
mHandler.removeMessages(STOP_TIMEOUT_MSG, r);
|
|
r.stopped = true;
|
|
r.state = ActivityState.STOPPED;
|
|
if (r.finishing) {
|
|
r.clearOptionsLocked();
|
|
} else {
|
|
if (r.configDestroy) {
|
|
destroyActivityLocked(r, true, false, "stop-config");
|
|
mStackSupervisor.resumeTopActivitiesLocked();
|
|
} else {
|
|
mStackSupervisor.updatePreviousProcessLocked(r);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void completePauseLocked() {
|
|
ActivityRecord prev = mPausingActivity;
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Complete pause: " + prev);
|
|
|
|
if (prev != null) {
|
|
if (prev.finishing) {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Executing finish of activity: " + prev);
|
|
prev = finishCurrentActivityLocked(prev, FINISH_AFTER_VISIBLE, false);
|
|
} else if (prev.app != null) {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Enqueueing pending stop: " + prev);
|
|
if (prev.waitingVisible) {
|
|
prev.waitingVisible = false;
|
|
mStackSupervisor.mWaitingVisibleActivities.remove(prev);
|
|
if (DEBUG_SWITCH || DEBUG_PAUSE) Slog.v(
|
|
TAG, "Complete pause, no longer waiting: " + prev);
|
|
}
|
|
if (prev.configDestroy) {
|
|
// The previous is being paused because the configuration
|
|
// is changing, which means it is actually stopping...
|
|
// To juggle the fact that we are also starting a new
|
|
// instance right now, we need to first completely stop
|
|
// the current instance before starting the new one.
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Destroying after pause: " + prev);
|
|
destroyActivityLocked(prev, true, false, "pause-config");
|
|
} else {
|
|
mStackSupervisor.mStoppingActivities.add(prev);
|
|
if (mStackSupervisor.mStoppingActivities.size() > 3 ||
|
|
prev.frontOfTask && mTaskHistory.size() <= 1) {
|
|
// If we already have a few activities waiting to stop,
|
|
// then give up on things going idle and start clearing
|
|
// them out. Or if r is the last of activity of the last task the stack
|
|
// will be empty and must be cleared immediately.
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "To many pending stops, forcing idle");
|
|
mStackSupervisor.scheduleIdleLocked();
|
|
} else {
|
|
mStackSupervisor.checkReadyForSleepLocked();
|
|
}
|
|
}
|
|
} else {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "App died during pause, not stopping: " + prev);
|
|
prev = null;
|
|
}
|
|
mPausingActivity = null;
|
|
}
|
|
|
|
final ActivityStack topStack = mStackSupervisor.getFocusedStack();
|
|
if (!mService.isSleepingOrShuttingDown()) {
|
|
mStackSupervisor.resumeTopActivitiesLocked(topStack, prev, null);
|
|
} else {
|
|
mStackSupervisor.checkReadyForSleepLocked();
|
|
ActivityRecord top = topStack.topRunningActivityLocked(null);
|
|
if (top == null || (prev != null && top != prev)) {
|
|
// If there are no more activities available to run,
|
|
// do resume anyway to start something. Also if the top
|
|
// activity on the stack is not the just paused activity,
|
|
// we need to go ahead and resume it to ensure we complete
|
|
// an in-flight app switch.
|
|
mStackSupervisor.resumeTopActivitiesLocked(topStack, null, null);
|
|
}
|
|
}
|
|
|
|
if (prev != null) {
|
|
prev.resumeKeyDispatchingLocked();
|
|
|
|
if (prev.app != null && prev.cpuTimeAtResume > 0
|
|
&& mService.mBatteryStatsService.isOnBattery()) {
|
|
long diff;
|
|
synchronized (mService.mProcessCpuThread) {
|
|
diff = mService.mProcessCpuTracker.getCpuTimeForPid(prev.app.pid)
|
|
- prev.cpuTimeAtResume;
|
|
}
|
|
if (diff > 0) {
|
|
BatteryStatsImpl bsi = mService.mBatteryStatsService.getActiveStatistics();
|
|
synchronized (bsi) {
|
|
BatteryStatsImpl.Uid.Proc ps =
|
|
bsi.getProcessStatsLocked(prev.info.applicationInfo.uid,
|
|
prev.info.packageName);
|
|
if (ps != null) {
|
|
ps.addForegroundTimeLocked(diff);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
prev.cpuTimeAtResume = 0; // reset it
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Once we know that we have asked an application to put an activity in
|
|
* the resumed state (either by launching it or explicitly telling it),
|
|
* this function updates the rest of our state to match that fact.
|
|
*/
|
|
private void completeResumeLocked(ActivityRecord next) {
|
|
next.idle = false;
|
|
next.results = null;
|
|
next.newIntents = null;
|
|
|
|
// schedule an idle timeout in case the app doesn't do it for us.
|
|
mStackSupervisor.scheduleIdleTimeoutLocked(next);
|
|
|
|
mStackSupervisor.reportResumedActivityLocked(next);
|
|
|
|
next.resumeKeyDispatchingLocked();
|
|
mNoAnimActivities.clear();
|
|
|
|
// Mark the point when the activity is resuming
|
|
// TODO: To be more accurate, the mark should be before the onCreate,
|
|
// not after the onResume. But for subsequent starts, onResume is fine.
|
|
if (next.app != null) {
|
|
synchronized (mService.mProcessCpuThread) {
|
|
next.cpuTimeAtResume = mService.mProcessCpuTracker.getCpuTimeForPid(next.app.pid);
|
|
}
|
|
} else {
|
|
next.cpuTimeAtResume = 0; // Couldn't get the cpu time of process
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Version of ensureActivitiesVisible that can easily be called anywhere.
|
|
*/
|
|
final boolean ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges) {
|
|
return ensureActivitiesVisibleLocked(starting, configChanges, false);
|
|
}
|
|
|
|
final boolean ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges,
|
|
boolean forceHomeShown) {
|
|
ActivityRecord r = topRunningActivityLocked(null);
|
|
return r != null &&
|
|
ensureActivitiesVisibleLocked(r, starting, null, configChanges, forceHomeShown);
|
|
}
|
|
|
|
/**
|
|
* Make sure that all activities that need to be visible (that is, they
|
|
* currently can be seen by the user) actually are.
|
|
*/
|
|
final boolean ensureActivitiesVisibleLocked(ActivityRecord top, ActivityRecord starting,
|
|
String onlyThisProcess, int configChanges, boolean forceHomeShown) {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "ensureActivitiesVisible behind " + top
|
|
+ " configChanges=0x" + Integer.toHexString(configChanges));
|
|
|
|
if (mTranslucentActivityWaiting != top) {
|
|
mUndrawnActivitiesBelowTopTranslucent.clear();
|
|
if (mTranslucentActivityWaiting != null) {
|
|
// Call the callback with a timeout indication.
|
|
notifyActivityDrawnLocked(null);
|
|
mTranslucentActivityWaiting = null;
|
|
}
|
|
mHandler.removeMessages(TRANSLUCENT_TIMEOUT_MSG);
|
|
}
|
|
|
|
// If the top activity is not fullscreen, then we need to
|
|
// make sure any activities under it are now visible.
|
|
boolean aboveTop = true;
|
|
boolean showHomeBehindStack = false;
|
|
boolean behindFullscreen = !mStackSupervisor.isFrontStack(this) &&
|
|
!(forceHomeShown && isHomeStack());
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final TaskRecord task = mTaskHistory.get(taskNdx);
|
|
final ArrayList<ActivityRecord> activities = task.mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
if (r.finishing) {
|
|
continue;
|
|
}
|
|
if (aboveTop && r != top) {
|
|
continue;
|
|
}
|
|
aboveTop = false;
|
|
if (!behindFullscreen) {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Make visible? " + r + " finishing=" + r.finishing
|
|
+ " state=" + r.state);
|
|
|
|
final boolean doThisProcess = onlyThisProcess == null
|
|
|| onlyThisProcess.equals(r.processName);
|
|
|
|
// First: if this is not the current activity being started, make
|
|
// sure it matches the current configuration.
|
|
if (r != starting && doThisProcess) {
|
|
ensureActivityConfigurationLocked(r, 0);
|
|
}
|
|
|
|
if (r.app == null || r.app.thread == null) {
|
|
if (onlyThisProcess == null || onlyThisProcess.equals(r.processName)) {
|
|
// This activity needs to be visible, but isn't even
|
|
// running... get it started, but don't resume it
|
|
// at this point.
|
|
if (DEBUG_VISBILITY) Slog.v(TAG, "Start and freeze screen for " + r);
|
|
if (r != starting) {
|
|
r.startFreezingScreenLocked(r.app, configChanges);
|
|
}
|
|
if (!r.visible) {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Starting and making visible: " + r);
|
|
mWindowManager.setAppVisibility(r.appToken, true);
|
|
}
|
|
if (r != starting) {
|
|
mStackSupervisor.startSpecificActivityLocked(r, false, false);
|
|
}
|
|
}
|
|
|
|
} else if (r.visible) {
|
|
// If this activity is already visible, then there is nothing
|
|
// else to do here.
|
|
if (DEBUG_VISBILITY) Slog.v(TAG, "Skipping: already visible at " + r);
|
|
r.stopFreezingScreenLocked(false);
|
|
|
|
} else if (onlyThisProcess == null) {
|
|
// This activity is not currently visible, but is running.
|
|
// Tell it to become visible.
|
|
r.visible = true;
|
|
if (r.state != ActivityState.RESUMED && r != starting) {
|
|
// If this activity is paused, tell it
|
|
// to now show its window.
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Making visible and scheduling visibility: " + r);
|
|
try {
|
|
if (mTranslucentActivityWaiting != null) {
|
|
mUndrawnActivitiesBelowTopTranslucent.add(r);
|
|
}
|
|
mWindowManager.setAppVisibility(r.appToken, true);
|
|
r.sleeping = false;
|
|
r.app.pendingUiClean = true;
|
|
r.app.thread.scheduleWindowVisibility(r.appToken, true);
|
|
r.stopFreezingScreenLocked(false);
|
|
} catch (Exception e) {
|
|
// Just skip on any failure; we'll make it
|
|
// visible when it next restarts.
|
|
Slog.w(TAG, "Exception thrown making visibile: "
|
|
+ r.intent.getComponent(), e);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Aggregate current change flags.
|
|
configChanges |= r.configChangeFlags;
|
|
|
|
if (r.fullscreen) {
|
|
// At this point, nothing else needs to be shown
|
|
if (DEBUG_VISBILITY) Slog.v(TAG, "Fullscreen: at " + r);
|
|
behindFullscreen = true;
|
|
} else if (task.mOnTopOfHome) {
|
|
if (DEBUG_VISBILITY) Slog.v(TAG, "Showing home: at " + r);
|
|
showHomeBehindStack = true;
|
|
behindFullscreen = true;
|
|
}
|
|
} else {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Make invisible? " + r + " finishing=" + r.finishing
|
|
+ " state=" + r.state
|
|
+ " behindFullscreen=" + behindFullscreen);
|
|
// Now for any activities that aren't visible to the user, make
|
|
// sure they no longer are keeping the screen frozen.
|
|
if (r.visible) {
|
|
if (DEBUG_VISBILITY) Slog.v(TAG, "Making invisible: " + r);
|
|
r.visible = false;
|
|
try {
|
|
mWindowManager.setAppVisibility(r.appToken, false);
|
|
switch (r.state) {
|
|
case STOPPING:
|
|
case STOPPED:
|
|
if (r.app != null && r.app.thread != null) {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Scheduling invisibility: " + r);
|
|
r.app.thread.scheduleWindowVisibility(r.appToken, false);
|
|
}
|
|
break;
|
|
|
|
case INITIALIZING:
|
|
case RESUMED:
|
|
case PAUSING:
|
|
case PAUSED:
|
|
// This case created for transitioning activities from
|
|
// translucent to opaque {@link Activity#convertToOpaque}.
|
|
if (!mStackSupervisor.mStoppingActivities.contains(r)) {
|
|
mStackSupervisor.mStoppingActivities.add(r);
|
|
}
|
|
mStackSupervisor.scheduleIdleLocked();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
} catch (Exception e) {
|
|
// Just skip on any failure; we'll make it
|
|
// visible when it next restarts.
|
|
Slog.w(TAG, "Exception thrown making hidden: "
|
|
+ r.intent.getComponent(), e);
|
|
}
|
|
} else {
|
|
if (DEBUG_VISBILITY) Slog.v(TAG, "Already invisible: " + r);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return showHomeBehindStack;
|
|
}
|
|
|
|
void convertToTranslucent(ActivityRecord r) {
|
|
mTranslucentActivityWaiting = r;
|
|
mUndrawnActivitiesBelowTopTranslucent.clear();
|
|
mHandler.sendEmptyMessageDelayed(TRANSLUCENT_TIMEOUT_MSG, TRANSLUCENT_CONVERSION_TIMEOUT);
|
|
}
|
|
|
|
/**
|
|
* Called as activities below the top translucent activity are redrawn. When the last one is
|
|
* redrawn notify the top activity by calling
|
|
* {@link Activity#onTranslucentConversionComplete}.
|
|
*
|
|
* @param r The most recent background activity to be drawn. Or, if r is null then a timeout
|
|
* occurred and the activity will be notified immediately.
|
|
*/
|
|
void notifyActivityDrawnLocked(ActivityRecord r) {
|
|
if ((r == null)
|
|
|| (mUndrawnActivitiesBelowTopTranslucent.remove(r) &&
|
|
mUndrawnActivitiesBelowTopTranslucent.isEmpty())) {
|
|
// The last undrawn activity below the top has just been drawn. If there is an
|
|
// opaque activity at the top, notify it that it can become translucent safely now.
|
|
final ActivityRecord waitingActivity = mTranslucentActivityWaiting;
|
|
mTranslucentActivityWaiting = null;
|
|
mUndrawnActivitiesBelowTopTranslucent.clear();
|
|
mHandler.removeMessages(TRANSLUCENT_TIMEOUT_MSG);
|
|
|
|
if (waitingActivity != null && waitingActivity.app != null &&
|
|
waitingActivity.app.thread != null) {
|
|
try {
|
|
waitingActivity.app.thread.scheduleTranslucentConversionComplete(
|
|
waitingActivity.appToken, r != null);
|
|
} catch (RemoteException e) {
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure that the top activity in the stack is resumed.
|
|
*
|
|
* @param prev The previously resumed activity, for when in the process
|
|
* of pausing; can be null to call from elsewhere.
|
|
*
|
|
* @return Returns true if something is being resumed, or false if
|
|
* nothing happened.
|
|
*/
|
|
final boolean resumeTopActivityLocked(ActivityRecord prev) {
|
|
return resumeTopActivityLocked(prev, null);
|
|
}
|
|
|
|
final boolean resumeTopActivityLocked(ActivityRecord prev, Bundle options) {
|
|
// Find the first activity that is not finishing.
|
|
ActivityRecord next = topRunningActivityLocked(null);
|
|
|
|
// Remember how we'll process this pause/resume situation, and ensure
|
|
// that the state is reset however we wind up proceeding.
|
|
final boolean userLeaving = mStackSupervisor.mUserLeaving;
|
|
mStackSupervisor.mUserLeaving = false;
|
|
|
|
if (next == null) {
|
|
// There are no more activities! Let's just start up the
|
|
// Launcher...
|
|
ActivityOptions.abort(options);
|
|
if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: No more activities go home");
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return mStackSupervisor.resumeHomeActivity(prev);
|
|
}
|
|
|
|
next.delayedResume = false;
|
|
|
|
// If the top activity is the resumed one, nothing to do.
|
|
if (mResumedActivity == next && next.state == ActivityState.RESUMED &&
|
|
mStackSupervisor.allResumedActivitiesComplete()) {
|
|
// Make sure we have executed any pending transitions, since there
|
|
// should be nothing left to do at this point.
|
|
mWindowManager.executeAppTransition();
|
|
mNoAnimActivities.clear();
|
|
ActivityOptions.abort(options);
|
|
if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: Top activity resumed " + next);
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return false;
|
|
}
|
|
|
|
final TaskRecord nextTask = next.task;
|
|
final TaskRecord prevTask = prev != null ? prev.task : null;
|
|
if (prevTask != null && prevTask.mOnTopOfHome && prev.finishing && prev.frontOfTask) {
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
if (prevTask == nextTask) {
|
|
ArrayList<ActivityRecord> activities = prevTask.mActivities;
|
|
final int numActivities = activities.size();
|
|
for (int activityNdx = 0; activityNdx < numActivities; ++activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
// r is usually the same as next, but what if two activities were launched
|
|
// before prev finished?
|
|
if (!r.finishing) {
|
|
r.frontOfTask = true;
|
|
break;
|
|
}
|
|
}
|
|
} else if (prevTask != topTask()) {
|
|
// This task is going away but it was supposed to return to the home task.
|
|
// Now the task above it has to return to the home task instead.
|
|
final int taskNdx = mTaskHistory.indexOf(prevTask) + 1;
|
|
mTaskHistory.get(taskNdx).mOnTopOfHome = true;
|
|
} else {
|
|
if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: Launching home next");
|
|
return mStackSupervisor.resumeHomeActivity(prev);
|
|
}
|
|
}
|
|
|
|
// If we are sleeping, and there is no resumed activity, and the top
|
|
// activity is paused, well that is the state we want.
|
|
if ((mService.isSleepingOrShuttingDown())
|
|
&& mLastPausedActivity == next
|
|
&& mStackSupervisor.allPausedActivitiesComplete()) {
|
|
// Make sure we have executed any pending transitions, since there
|
|
// should be nothing left to do at this point.
|
|
mWindowManager.executeAppTransition();
|
|
mNoAnimActivities.clear();
|
|
ActivityOptions.abort(options);
|
|
if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: Going to sleep and all paused");
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return false;
|
|
}
|
|
|
|
// Make sure that the user who owns this activity is started. If not,
|
|
// we will just leave it as is because someone should be bringing
|
|
// another user's activities to the top of the stack.
|
|
if (mService.mStartedUsers.get(next.userId) == null) {
|
|
Slog.w(TAG, "Skipping resume of top activity " + next
|
|
+ ": user " + next.userId + " is stopped");
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return false;
|
|
}
|
|
|
|
// The activity may be waiting for stop, but that is no longer
|
|
// appropriate for it.
|
|
mStackSupervisor.mStoppingActivities.remove(next);
|
|
mStackSupervisor.mGoingToSleepActivities.remove(next);
|
|
next.sleeping = false;
|
|
mStackSupervisor.mWaitingVisibleActivities.remove(next);
|
|
|
|
next.updateOptionsLocked(options);
|
|
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Resuming " + next);
|
|
|
|
// If we are currently pausing an activity, then don't do anything
|
|
// until that is done.
|
|
if (!mStackSupervisor.allPausedActivitiesComplete()) {
|
|
if (DEBUG_SWITCH || DEBUG_PAUSE || DEBUG_STATES) Slog.v(TAG,
|
|
"resumeTopActivityLocked: Skip resume: some activity pausing.");
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return false;
|
|
}
|
|
|
|
// Okay we are now going to start a switch, to 'next'. We may first
|
|
// have to pause the current activity, but this is an important point
|
|
// where we have decided to go to 'next' so keep track of that.
|
|
// XXX "App Redirected" dialog is getting too many false positives
|
|
// at this point, so turn off for now.
|
|
if (false) {
|
|
if (mLastStartedActivity != null && !mLastStartedActivity.finishing) {
|
|
long now = SystemClock.uptimeMillis();
|
|
final boolean inTime = mLastStartedActivity.startTime != 0
|
|
&& (mLastStartedActivity.startTime + START_WARN_TIME) >= now;
|
|
final int lastUid = mLastStartedActivity.info.applicationInfo.uid;
|
|
final int nextUid = next.info.applicationInfo.uid;
|
|
if (inTime && lastUid != nextUid
|
|
&& lastUid != next.launchedFromUid
|
|
&& mService.checkPermission(
|
|
android.Manifest.permission.STOP_APP_SWITCHES,
|
|
-1, next.launchedFromUid)
|
|
!= PackageManager.PERMISSION_GRANTED) {
|
|
mService.showLaunchWarningLocked(mLastStartedActivity, next);
|
|
} else {
|
|
next.startTime = now;
|
|
mLastStartedActivity = next;
|
|
}
|
|
} else {
|
|
next.startTime = SystemClock.uptimeMillis();
|
|
mLastStartedActivity = next;
|
|
}
|
|
}
|
|
|
|
// We need to start pausing the current activity so the top one
|
|
// can be resumed...
|
|
boolean pausing = mStackSupervisor.pauseBackStacks(userLeaving);
|
|
if (mResumedActivity != null) {
|
|
pausing = true;
|
|
startPausingLocked(userLeaving, false);
|
|
if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: Pausing " + mResumedActivity);
|
|
}
|
|
if (pausing) {
|
|
if (DEBUG_SWITCH || DEBUG_STATES) Slog.v(TAG,
|
|
"resumeTopActivityLocked: Skip resume: need to start pausing");
|
|
// At this point we want to put the upcoming activity's process
|
|
// at the top of the LRU list, since we know we will be needing it
|
|
// very soon and it would be a waste to let it get killed if it
|
|
// happens to be sitting towards the end.
|
|
if (next.app != null && next.app.thread != null) {
|
|
// No reason to do full oom adj update here; we'll let that
|
|
// happen whenever it needs to later.
|
|
mService.updateLruProcessLocked(next.app, false);
|
|
}
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return true;
|
|
}
|
|
|
|
// If the most recent activity was noHistory but was only stopped rather
|
|
// than stopped+finished because the device went to sleep, we need to make
|
|
// sure to finish it as we're making a new activity topmost.
|
|
if (mService.mSleeping && mLastNoHistoryActivity != null &&
|
|
!mLastNoHistoryActivity.finishing) {
|
|
if (DEBUG_STATES) Slog.d(TAG, "no-history finish of " + mLastNoHistoryActivity +
|
|
" on new resume");
|
|
requestFinishActivityLocked(mLastNoHistoryActivity.appToken, Activity.RESULT_CANCELED,
|
|
null, "no-history", false);
|
|
mLastNoHistoryActivity = null;
|
|
}
|
|
|
|
if (prev != null && prev != next) {
|
|
if (!prev.waitingVisible && next != null && !next.nowVisible) {
|
|
prev.waitingVisible = true;
|
|
mStackSupervisor.mWaitingVisibleActivities.add(prev);
|
|
if (DEBUG_SWITCH) Slog.v(
|
|
TAG, "Resuming top, waiting visible to hide: " + prev);
|
|
} else {
|
|
// The next activity is already visible, so hide the previous
|
|
// activity's windows right now so we can show the new one ASAP.
|
|
// We only do this if the previous is finishing, which should mean
|
|
// it is on top of the one being resumed so hiding it quickly
|
|
// is good. Otherwise, we want to do the normal route of allowing
|
|
// the resumed activity to be shown so we can decide if the
|
|
// previous should actually be hidden depending on whether the
|
|
// new one is found to be full-screen or not.
|
|
if (prev.finishing) {
|
|
mWindowManager.setAppVisibility(prev.appToken, false);
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Not waiting for visible to hide: "
|
|
+ prev + ", waitingVisible="
|
|
+ (prev != null ? prev.waitingVisible : null)
|
|
+ ", nowVisible=" + next.nowVisible);
|
|
} else {
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Previous already visible but still waiting to hide: "
|
|
+ prev + ", waitingVisible="
|
|
+ (prev != null ? prev.waitingVisible : null)
|
|
+ ", nowVisible=" + next.nowVisible);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Launching this app's activity, make sure the app is no longer
|
|
// considered stopped.
|
|
try {
|
|
AppGlobals.getPackageManager().setPackageStoppedState(
|
|
next.packageName, false, next.userId); /* TODO: Verify if correct userid */
|
|
} catch (RemoteException e1) {
|
|
} catch (IllegalArgumentException e) {
|
|
Slog.w(TAG, "Failed trying to unstop package "
|
|
+ next.packageName + ": " + e);
|
|
}
|
|
|
|
// We are starting up the next activity, so tell the window manager
|
|
// that the previous one will be hidden soon. This way it can know
|
|
// to ignore it when computing the desired screen orientation.
|
|
boolean anim = true;
|
|
if (prev != null) {
|
|
if (prev.finishing) {
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare close transition: prev=" + prev);
|
|
if (mNoAnimActivities.contains(prev)) {
|
|
anim = false;
|
|
mWindowManager.prepareAppTransition(AppTransition.TRANSIT_NONE, false);
|
|
} else {
|
|
mWindowManager.prepareAppTransition(prev.task == next.task
|
|
? AppTransition.TRANSIT_ACTIVITY_CLOSE
|
|
: AppTransition.TRANSIT_TASK_CLOSE, false);
|
|
}
|
|
mWindowManager.setAppWillBeHidden(prev.appToken);
|
|
mWindowManager.setAppVisibility(prev.appToken, false);
|
|
} else {
|
|
if (DEBUG_TRANSITION) Slog.v(TAG, "Prepare open transition: prev=" + prev);
|
|
if (mNoAnimActivities.contains(next)) {
|
|
anim = false;
|
|
mWindowManager.prepareAppTransition(AppTransition.TRANSIT_NONE, false);
|
|
} else {
|
|
mWindowManager.prepareAppTransition(prev.task == next.task
|
|
? AppTransition.TRANSIT_ACTIVITY_OPEN
|
|
: AppTransition.TRANSIT_TASK_OPEN, false);
|
|
}
|
|
}
|
|
if (false) {
|
|
mWindowManager.setAppWillBeHidden(prev.appToken);
|
|
mWindowManager.setAppVisibility(prev.appToken, false);
|
|
}
|
|
} else {
|
|
if (DEBUG_TRANSITION) Slog.v(TAG, "Prepare open transition: no previous");
|
|
if (mNoAnimActivities.contains(next)) {
|
|
anim = false;
|
|
mWindowManager.prepareAppTransition(AppTransition.TRANSIT_NONE, false);
|
|
} else {
|
|
mWindowManager.prepareAppTransition(AppTransition.TRANSIT_ACTIVITY_OPEN, false);
|
|
}
|
|
}
|
|
if (anim) {
|
|
next.applyOptionsLocked();
|
|
} else {
|
|
next.clearOptionsLocked();
|
|
}
|
|
|
|
ActivityStack lastStack = mStackSupervisor.getLastStack();
|
|
if (next.app != null && next.app.thread != null) {
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Resume running: " + next);
|
|
|
|
// This activity is now becoming visible.
|
|
mWindowManager.setAppVisibility(next.appToken, true);
|
|
|
|
// schedule launch ticks to collect information about slow apps.
|
|
next.startLaunchTickingLocked();
|
|
|
|
ActivityRecord lastResumedActivity =
|
|
lastStack == null ? null :lastStack.mResumedActivity;
|
|
ActivityState lastState = next.state;
|
|
|
|
mService.updateCpuStats();
|
|
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to RESUMED: " + next + " (in existing)");
|
|
next.state = ActivityState.RESUMED;
|
|
mResumedActivity = next;
|
|
next.task.touchActiveTime();
|
|
mService.addRecentTaskLocked(next.task);
|
|
mService.updateLruProcessLocked(next.app, true);
|
|
updateLRUListLocked(next);
|
|
|
|
// Have the window manager re-evaluate the orientation of
|
|
// the screen based on the new activity order.
|
|
boolean notUpdated = true;
|
|
if (mStackSupervisor.isFrontStack(this)) {
|
|
Configuration config = mWindowManager.updateOrientationFromAppTokens(
|
|
mService.mConfiguration,
|
|
next.mayFreezeScreenLocked(next.app) ? next.appToken : null);
|
|
if (config != null) {
|
|
next.frozenBeforeDestroy = true;
|
|
}
|
|
notUpdated = !mService.updateConfigurationLocked(config, next, false, false);
|
|
}
|
|
|
|
if (notUpdated) {
|
|
// The configuration update wasn't able to keep the existing
|
|
// instance of the activity, and instead started a new one.
|
|
// We should be all done, but let's just make sure our activity
|
|
// is still at the top and schedule another run if something
|
|
// weird happened.
|
|
ActivityRecord nextNext = topRunningActivityLocked(null);
|
|
if (DEBUG_SWITCH || DEBUG_STATES) Slog.i(TAG,
|
|
"Activity config changed during resume: " + next
|
|
+ ", new next: " + nextNext);
|
|
if (nextNext != next) {
|
|
// Do over!
|
|
mStackSupervisor.scheduleResumeTopActivities();
|
|
}
|
|
if (mStackSupervisor.reportResumedActivityLocked(next)) {
|
|
mNoAnimActivities.clear();
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return true;
|
|
}
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return false;
|
|
}
|
|
|
|
try {
|
|
// Deliver all pending results.
|
|
ArrayList<ResultInfo> a = next.results;
|
|
if (a != null) {
|
|
final int N = a.size();
|
|
if (!next.finishing && N > 0) {
|
|
if (DEBUG_RESULTS) Slog.v(
|
|
TAG, "Delivering results to " + next
|
|
+ ": " + a);
|
|
next.app.thread.scheduleSendResult(next.appToken, a);
|
|
}
|
|
}
|
|
|
|
if (next.newIntents != null) {
|
|
next.app.thread.scheduleNewIntent(next.newIntents, next.appToken);
|
|
}
|
|
|
|
EventLog.writeEvent(EventLogTags.AM_RESUME_ACTIVITY,
|
|
next.userId, System.identityHashCode(next),
|
|
next.task.taskId, next.shortComponentName);
|
|
|
|
next.sleeping = false;
|
|
mService.showAskCompatModeDialogLocked(next);
|
|
next.app.pendingUiClean = true;
|
|
next.app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_TOP);
|
|
next.app.thread.scheduleResumeActivity(next.appToken, next.app.repProcState,
|
|
mService.isNextTransitionForward());
|
|
|
|
mStackSupervisor.checkReadyForSleepLocked();
|
|
|
|
if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: Resumed " + next);
|
|
} catch (Exception e) {
|
|
// Whoops, need to restart this activity!
|
|
if (DEBUG_STATES) Slog.v(TAG, "Resume failed; resetting state to "
|
|
+ lastState + ": " + next);
|
|
next.state = lastState;
|
|
if (lastStack != null) {
|
|
lastStack.mResumedActivity = lastResumedActivity;
|
|
}
|
|
Slog.i(TAG, "Restarting because process died: " + next);
|
|
if (!next.hasBeenLaunched) {
|
|
next.hasBeenLaunched = true;
|
|
} else if (SHOW_APP_STARTING_PREVIEW && lastStack != null &&
|
|
mStackSupervisor.isFrontStack(lastStack)) {
|
|
mWindowManager.setAppStartingWindow(
|
|
next.appToken, next.packageName, next.theme,
|
|
mService.compatibilityInfoForPackageLocked(next.info.applicationInfo),
|
|
next.nonLocalizedLabel, next.labelRes, next.icon, next.logo,
|
|
next.windowFlags, null, true);
|
|
}
|
|
mStackSupervisor.startSpecificActivityLocked(next, true, false);
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return true;
|
|
}
|
|
|
|
// From this point on, if something goes wrong there is no way
|
|
// to recover the activity.
|
|
try {
|
|
next.visible = true;
|
|
completeResumeLocked(next);
|
|
} catch (Exception e) {
|
|
// If any exception gets thrown, toss away this
|
|
// activity and try the next one.
|
|
Slog.w(TAG, "Exception thrown during resume of " + next, e);
|
|
requestFinishActivityLocked(next.appToken, Activity.RESULT_CANCELED, null,
|
|
"resume-exception", true);
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return true;
|
|
}
|
|
next.stopped = false;
|
|
|
|
} else {
|
|
// Whoops, need to restart this activity!
|
|
if (!next.hasBeenLaunched) {
|
|
next.hasBeenLaunched = true;
|
|
} else {
|
|
if (SHOW_APP_STARTING_PREVIEW) {
|
|
mWindowManager.setAppStartingWindow(
|
|
next.appToken, next.packageName, next.theme,
|
|
mService.compatibilityInfoForPackageLocked(
|
|
next.info.applicationInfo),
|
|
next.nonLocalizedLabel,
|
|
next.labelRes, next.icon, next.logo, next.windowFlags,
|
|
null, true);
|
|
}
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Restarting: " + next);
|
|
}
|
|
if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: Restarting " + next);
|
|
mStackSupervisor.startSpecificActivityLocked(next, true, true);
|
|
}
|
|
|
|
if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
|
|
return true;
|
|
}
|
|
|
|
private void insertTaskAtTop(TaskRecord task) {
|
|
mTaskHistory.remove(task);
|
|
// Now put task at top.
|
|
int stackNdx = mTaskHistory.size();
|
|
if (task.userId != mCurrentUser) {
|
|
// Put non-current user tasks below current user tasks.
|
|
while (--stackNdx >= 0) {
|
|
if (mTaskHistory.get(stackNdx).userId != mCurrentUser) {
|
|
break;
|
|
}
|
|
}
|
|
++stackNdx;
|
|
}
|
|
mTaskHistory.add(stackNdx, task);
|
|
}
|
|
|
|
final void startActivityLocked(ActivityRecord r, boolean newTask,
|
|
boolean doResume, boolean keepCurTransition, Bundle options) {
|
|
TaskRecord rTask = r.task;
|
|
final int taskId = rTask.taskId;
|
|
if (taskForIdLocked(taskId) == null || newTask) {
|
|
// Last activity in task had been removed or ActivityManagerService is reusing task.
|
|
// Insert or replace.
|
|
// Might not even be in.
|
|
insertTaskAtTop(rTask);
|
|
mWindowManager.moveTaskToTop(taskId);
|
|
}
|
|
TaskRecord task = null;
|
|
if (!newTask) {
|
|
// If starting in an existing task, find where that is...
|
|
boolean startIt = true;
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
task = mTaskHistory.get(taskNdx);
|
|
if (task == r.task) {
|
|
// Here it is! Now, if this is not yet visible to the
|
|
// user, then just add it without starting; it will
|
|
// get started when the user navigates back to it.
|
|
if (!startIt) {
|
|
if (DEBUG_ADD_REMOVE) Slog.i(TAG, "Adding activity " + r + " to task "
|
|
+ task, new RuntimeException("here").fillInStackTrace());
|
|
task.addActivityToTop(r);
|
|
r.putInHistory();
|
|
mWindowManager.addAppToken(task.mActivities.indexOf(r), r.appToken,
|
|
r.task.taskId, mStackId, r.info.screenOrientation, r.fullscreen,
|
|
(r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0,
|
|
r.userId);
|
|
if (VALIDATE_TOKENS) {
|
|
validateAppTokensLocked();
|
|
}
|
|
ActivityOptions.abort(options);
|
|
return;
|
|
}
|
|
break;
|
|
} else if (task.numFullscreen > 0) {
|
|
startIt = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Place a new activity at top of stack, so it is next to interact
|
|
// with the user.
|
|
|
|
// If we are not placing the new activity frontmost, we do not want
|
|
// to deliver the onUserLeaving callback to the actual frontmost
|
|
// activity
|
|
if (task == r.task && mTaskHistory.indexOf(task) != (mTaskHistory.size() - 1)) {
|
|
mStackSupervisor.mUserLeaving = false;
|
|
if (DEBUG_USER_LEAVING) Slog.v(TAG,
|
|
"startActivity() behind front, mUserLeaving=false");
|
|
}
|
|
|
|
task = r.task;
|
|
|
|
// Slot the activity into the history stack and proceed
|
|
if (DEBUG_ADD_REMOVE) Slog.i(TAG, "Adding activity " + r + " to stack to task " + task,
|
|
new RuntimeException("here").fillInStackTrace());
|
|
task.addActivityToTop(r);
|
|
|
|
r.putInHistory();
|
|
r.frontOfTask = newTask;
|
|
if (!isHomeStack() || numActivities() > 0) {
|
|
// We want to show the starting preview window if we are
|
|
// switching to a new task, or the next activity's process is
|
|
// not currently running.
|
|
boolean showStartingIcon = newTask;
|
|
ProcessRecord proc = r.app;
|
|
if (proc == null) {
|
|
proc = mService.mProcessNames.get(r.processName, r.info.applicationInfo.uid);
|
|
}
|
|
if (proc == null || proc.thread == null) {
|
|
showStartingIcon = true;
|
|
}
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare open transition: starting " + r);
|
|
if ((r.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
|
|
mWindowManager.prepareAppTransition(AppTransition.TRANSIT_NONE, keepCurTransition);
|
|
mNoAnimActivities.add(r);
|
|
} else {
|
|
mWindowManager.prepareAppTransition(newTask
|
|
? AppTransition.TRANSIT_TASK_OPEN
|
|
: AppTransition.TRANSIT_ACTIVITY_OPEN, keepCurTransition);
|
|
mNoAnimActivities.remove(r);
|
|
}
|
|
r.updateOptionsLocked(options);
|
|
mWindowManager.addAppToken(task.mActivities.indexOf(r),
|
|
r.appToken, r.task.taskId, mStackId, r.info.screenOrientation, r.fullscreen,
|
|
(r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0, r.userId);
|
|
boolean doShow = true;
|
|
if (newTask) {
|
|
// Even though this activity is starting fresh, we still need
|
|
// to reset it to make sure we apply affinities to move any
|
|
// existing activities from other tasks in to it.
|
|
// If the caller has requested that the target task be
|
|
// reset, then do so.
|
|
if ((r.intent.getFlags()
|
|
&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) {
|
|
resetTaskIfNeededLocked(r, r);
|
|
doShow = topRunningNonDelayedActivityLocked(null) == r;
|
|
}
|
|
}
|
|
if (SHOW_APP_STARTING_PREVIEW && doShow) {
|
|
// Figure out if we are transitioning from another activity that is
|
|
// "has the same starting icon" as the next one. This allows the
|
|
// window manager to keep the previous window it had previously
|
|
// created, if it still had one.
|
|
ActivityRecord prev = mResumedActivity;
|
|
if (prev != null) {
|
|
// We don't want to reuse the previous starting preview if:
|
|
// (1) The current activity is in a different task.
|
|
if (prev.task != r.task) {
|
|
prev = null;
|
|
}
|
|
// (2) The current activity is already displayed.
|
|
else if (prev.nowVisible) {
|
|
prev = null;
|
|
}
|
|
}
|
|
mWindowManager.setAppStartingWindow(
|
|
r.appToken, r.packageName, r.theme,
|
|
mService.compatibilityInfoForPackageLocked(
|
|
r.info.applicationInfo), r.nonLocalizedLabel,
|
|
r.labelRes, r.icon, r.logo, r.windowFlags,
|
|
prev != null ? prev.appToken : null, showStartingIcon);
|
|
}
|
|
} else {
|
|
// If this is the first activity, don't do any fancy animations,
|
|
// because there is nothing for it to animate on top of.
|
|
mWindowManager.addAppToken(task.mActivities.indexOf(r), r.appToken,
|
|
r.task.taskId, mStackId, r.info.screenOrientation, r.fullscreen,
|
|
(r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0, r.userId);
|
|
ActivityOptions.abort(options);
|
|
}
|
|
if (VALIDATE_TOKENS) {
|
|
validateAppTokensLocked();
|
|
}
|
|
|
|
if (doResume) {
|
|
mStackSupervisor.resumeTopActivitiesLocked();
|
|
}
|
|
}
|
|
|
|
final void validateAppTokensLocked() {
|
|
mValidateAppTokens.clear();
|
|
mValidateAppTokens.ensureCapacity(numActivities());
|
|
final int numTasks = mTaskHistory.size();
|
|
for (int taskNdx = 0; taskNdx < numTasks; ++taskNdx) {
|
|
TaskRecord task = mTaskHistory.get(taskNdx);
|
|
final ArrayList<ActivityRecord> activities = task.mActivities;
|
|
if (activities.isEmpty()) {
|
|
continue;
|
|
}
|
|
TaskGroup group = new TaskGroup();
|
|
group.taskId = task.taskId;
|
|
mValidateAppTokens.add(group);
|
|
final int numActivities = activities.size();
|
|
for (int activityNdx = 0; activityNdx < numActivities; ++activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
group.tokens.add(r.appToken);
|
|
}
|
|
}
|
|
mWindowManager.validateAppTokens(mStackId, mValidateAppTokens);
|
|
}
|
|
|
|
/**
|
|
* Perform a reset of the given task, if needed as part of launching it.
|
|
* Returns the new HistoryRecord at the top of the task.
|
|
*/
|
|
/**
|
|
* Helper method for #resetTaskIfNeededLocked.
|
|
* We are inside of the task being reset... we'll either finish this activity, push it out
|
|
* for another task, or leave it as-is.
|
|
* @param task The task containing the Activity (taskTop) that might be reset.
|
|
* @param forceReset
|
|
* @return An ActivityOptions that needs to be processed.
|
|
*/
|
|
final ActivityOptions resetTargetTaskIfNeededLocked(TaskRecord task, boolean forceReset) {
|
|
ActivityOptions topOptions = null;
|
|
|
|
int replyChainEnd = -1;
|
|
boolean canMoveOptions = true;
|
|
|
|
// We only do this for activities that are not the root of the task (since if we finish
|
|
// the root, we may no longer have the task!).
|
|
final ArrayList<ActivityRecord> activities = task.mActivities;
|
|
final int numActivities = activities.size();
|
|
for (int i = numActivities - 1; i > 0; --i ) {
|
|
ActivityRecord target = activities.get(i);
|
|
|
|
final int flags = target.info.flags;
|
|
final boolean finishOnTaskLaunch =
|
|
(flags & ActivityInfo.FLAG_FINISH_ON_TASK_LAUNCH) != 0;
|
|
final boolean allowTaskReparenting =
|
|
(flags & ActivityInfo.FLAG_ALLOW_TASK_REPARENTING) != 0;
|
|
final boolean clearWhenTaskReset =
|
|
(target.intent.getFlags() & Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0;
|
|
|
|
if (!finishOnTaskLaunch
|
|
&& !clearWhenTaskReset
|
|
&& target.resultTo != null) {
|
|
// If this activity is sending a reply to a previous
|
|
// activity, we can't do anything with it now until
|
|
// we reach the start of the reply chain.
|
|
// XXX note that we are assuming the result is always
|
|
// to the previous activity, which is almost always
|
|
// the case but we really shouldn't count on.
|
|
if (replyChainEnd < 0) {
|
|
replyChainEnd = i;
|
|
}
|
|
} else if (!finishOnTaskLaunch
|
|
&& !clearWhenTaskReset
|
|
&& allowTaskReparenting
|
|
&& target.taskAffinity != null
|
|
&& !target.taskAffinity.equals(task.affinity)) {
|
|
// If this activity has an affinity for another
|
|
// task, then we need to move it out of here. We will
|
|
// move it as far out of the way as possible, to the
|
|
// bottom of the activity stack. This also keeps it
|
|
// correctly ordered with any activities we previously
|
|
// moved.
|
|
final ActivityRecord bottom =
|
|
!mTaskHistory.isEmpty() && !mTaskHistory.get(0).mActivities.isEmpty() ?
|
|
mTaskHistory.get(0).mActivities.get(0) : null;
|
|
if (bottom != null && target.taskAffinity != null
|
|
&& target.taskAffinity.equals(bottom.task.affinity)) {
|
|
// If the activity currently at the bottom has the
|
|
// same task affinity as the one we are moving,
|
|
// then merge it into the same task.
|
|
target.setTask(bottom.task, bottom.thumbHolder, false);
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Start pushing activity " + target
|
|
+ " out to bottom task " + bottom.task);
|
|
} else {
|
|
target.setTask(createTaskRecord(mStackSupervisor.getNextTaskId(), target.info,
|
|
null, false), null, false);
|
|
target.task.affinityIntent = target.intent;
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Start pushing activity " + target
|
|
+ " out to new task " + target.task);
|
|
}
|
|
|
|
final TaskRecord targetTask = target.task;
|
|
final int targetTaskId = targetTask.taskId;
|
|
mWindowManager.setAppGroupId(target.appToken, targetTaskId);
|
|
|
|
boolean noOptions = canMoveOptions;
|
|
final int start = replyChainEnd < 0 ? i : replyChainEnd;
|
|
for (int srcPos = start; srcPos >= i; --srcPos) {
|
|
final ActivityRecord p = activities.get(srcPos);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
|
|
ThumbnailHolder curThumbHolder = p.thumbHolder;
|
|
canMoveOptions = false;
|
|
if (noOptions && topOptions == null) {
|
|
topOptions = p.takeOptionsLocked();
|
|
if (topOptions != null) {
|
|
noOptions = false;
|
|
}
|
|
}
|
|
if (DEBUG_ADD_REMOVE) Slog.i(TAG, "Removing activity " + p + " from task="
|
|
+ task + " adding to task=" + targetTask,
|
|
new RuntimeException("here").fillInStackTrace());
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Pushing next activity " + p
|
|
+ " out to target's task " + target.task);
|
|
p.setTask(targetTask, curThumbHolder, false);
|
|
targetTask.addActivityAtBottom(p);
|
|
|
|
mWindowManager.setAppGroupId(p.appToken, targetTaskId);
|
|
}
|
|
|
|
mWindowManager.moveTaskToBottom(targetTaskId);
|
|
if (VALIDATE_TOKENS) {
|
|
validateAppTokensLocked();
|
|
}
|
|
|
|
replyChainEnd = -1;
|
|
} else if (forceReset || finishOnTaskLaunch || clearWhenTaskReset) {
|
|
// If the activity should just be removed -- either
|
|
// because it asks for it, or the task should be
|
|
// cleared -- then finish it and anything that is
|
|
// part of its reply chain.
|
|
int end;
|
|
if (clearWhenTaskReset) {
|
|
// In this case, we want to finish this activity
|
|
// and everything above it, so be sneaky and pretend
|
|
// like these are all in the reply chain.
|
|
end = numActivities - 1;
|
|
} else if (replyChainEnd < 0) {
|
|
end = i;
|
|
} else {
|
|
end = replyChainEnd;
|
|
}
|
|
boolean noOptions = canMoveOptions;
|
|
for (int srcPos = i; srcPos <= end; srcPos++) {
|
|
ActivityRecord p = activities.get(srcPos);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
canMoveOptions = false;
|
|
if (noOptions && topOptions == null) {
|
|
topOptions = p.takeOptionsLocked();
|
|
if (topOptions != null) {
|
|
noOptions = false;
|
|
}
|
|
}
|
|
if (DEBUG_TASKS) Slog.w(TAG,
|
|
"resetTaskIntendedTask: calling finishActivity on " + p);
|
|
if (finishActivityLocked(p, Activity.RESULT_CANCELED, null, "reset", false)) {
|
|
end--;
|
|
srcPos--;
|
|
}
|
|
}
|
|
replyChainEnd = -1;
|
|
} else {
|
|
// If we were in the middle of a chain, well the
|
|
// activity that started it all doesn't want anything
|
|
// special, so leave it all as-is.
|
|
replyChainEnd = -1;
|
|
}
|
|
}
|
|
|
|
return topOptions;
|
|
}
|
|
|
|
/**
|
|
* Helper method for #resetTaskIfNeededLocked. Processes all of the activities in a given
|
|
* TaskRecord looking for an affinity with the task of resetTaskIfNeededLocked.taskTop.
|
|
* @param affinityTask The task we are looking for an affinity to.
|
|
* @param task Task that resetTaskIfNeededLocked.taskTop belongs to.
|
|
* @param topTaskIsHigher True if #task has already been processed by resetTaskIfNeededLocked.
|
|
* @param forceReset Flag passed in to resetTaskIfNeededLocked.
|
|
*/
|
|
private int resetAffinityTaskIfNeededLocked(TaskRecord affinityTask, TaskRecord task,
|
|
boolean topTaskIsHigher, boolean forceReset, int taskInsertionPoint) {
|
|
int replyChainEnd = -1;
|
|
final int taskId = task.taskId;
|
|
final String taskAffinity = task.affinity;
|
|
|
|
final ArrayList<ActivityRecord> activities = affinityTask.mActivities;
|
|
final int numActivities = activities.size();
|
|
// Do not operate on the root Activity.
|
|
for (int i = numActivities - 1; i > 0; --i) {
|
|
ActivityRecord target = activities.get(i);
|
|
|
|
final int flags = target.info.flags;
|
|
boolean finishOnTaskLaunch = (flags & ActivityInfo.FLAG_FINISH_ON_TASK_LAUNCH) != 0;
|
|
boolean allowTaskReparenting = (flags & ActivityInfo.FLAG_ALLOW_TASK_REPARENTING) != 0;
|
|
|
|
if (target.resultTo != null) {
|
|
// If this activity is sending a reply to a previous
|
|
// activity, we can't do anything with it now until
|
|
// we reach the start of the reply chain.
|
|
// XXX note that we are assuming the result is always
|
|
// to the previous activity, which is almost always
|
|
// the case but we really shouldn't count on.
|
|
if (replyChainEnd < 0) {
|
|
replyChainEnd = i;
|
|
}
|
|
} else if (topTaskIsHigher
|
|
&& allowTaskReparenting
|
|
&& taskAffinity != null
|
|
&& taskAffinity.equals(target.taskAffinity)) {
|
|
// This activity has an affinity for our task. Either remove it if we are
|
|
// clearing or move it over to our task. Note that
|
|
// we currently punt on the case where we are resetting a
|
|
// task that is not at the top but who has activities above
|
|
// with an affinity to it... this is really not a normal
|
|
// case, and we will need to later pull that task to the front
|
|
// and usually at that point we will do the reset and pick
|
|
// up those remaining activities. (This only happens if
|
|
// someone starts an activity in a new task from an activity
|
|
// in a task that is not currently on top.)
|
|
if (forceReset || finishOnTaskLaunch) {
|
|
final int start = replyChainEnd >= 0 ? replyChainEnd : i;
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Finishing task at index " + start + " to " + i);
|
|
for (int srcPos = start; srcPos >= i; --srcPos) {
|
|
final ActivityRecord p = activities.get(srcPos);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
finishActivityLocked(p, Activity.RESULT_CANCELED, null, "reset", false);
|
|
}
|
|
} else {
|
|
if (taskInsertionPoint < 0) {
|
|
taskInsertionPoint = task.mActivities.size();
|
|
|
|
}
|
|
|
|
final int start = replyChainEnd >= 0 ? replyChainEnd : i;
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Reparenting from task=" + affinityTask + ":"
|
|
+ start + "-" + i + " to task=" + task + ":" + taskInsertionPoint);
|
|
for (int srcPos = start; srcPos >= i; --srcPos) {
|
|
final ActivityRecord p = activities.get(srcPos);
|
|
p.setTask(task, null, false);
|
|
task.addActivityAtIndex(taskInsertionPoint, p);
|
|
|
|
if (DEBUG_ADD_REMOVE) Slog.i(TAG, "Removing and adding activity " + p
|
|
+ " to stack at " + task,
|
|
new RuntimeException("here").fillInStackTrace());
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Pulling activity " + p + " from " + srcPos
|
|
+ " in to resetting task " + task);
|
|
mWindowManager.setAppGroupId(p.appToken, taskId);
|
|
}
|
|
mWindowManager.moveTaskToTop(taskId);
|
|
if (VALIDATE_TOKENS) {
|
|
validateAppTokensLocked();
|
|
}
|
|
|
|
// Now we've moved it in to place... but what if this is
|
|
// a singleTop activity and we have put it on top of another
|
|
// instance of the same activity? Then we drop the instance
|
|
// below so it remains singleTop.
|
|
if (target.info.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) {
|
|
ArrayList<ActivityRecord> taskActivities = task.mActivities;
|
|
int targetNdx = taskActivities.indexOf(target);
|
|
if (targetNdx > 0) {
|
|
ActivityRecord p = taskActivities.get(targetNdx - 1);
|
|
if (p.intent.getComponent().equals(target.intent.getComponent())) {
|
|
finishActivityLocked(p, Activity.RESULT_CANCELED, null, "replace",
|
|
false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
replyChainEnd = -1;
|
|
}
|
|
}
|
|
return taskInsertionPoint;
|
|
}
|
|
|
|
final ActivityRecord resetTaskIfNeededLocked(ActivityRecord taskTop,
|
|
ActivityRecord newActivity) {
|
|
boolean forceReset =
|
|
(newActivity.info.flags & ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0;
|
|
if (ACTIVITY_INACTIVE_RESET_TIME > 0
|
|
&& taskTop.task.getInactiveDuration() > ACTIVITY_INACTIVE_RESET_TIME) {
|
|
if ((newActivity.info.flags & ActivityInfo.FLAG_ALWAYS_RETAIN_TASK_STATE) == 0) {
|
|
forceReset = true;
|
|
}
|
|
}
|
|
|
|
final TaskRecord task = taskTop.task;
|
|
|
|
/** False until we evaluate the TaskRecord associated with taskTop. Switches to true
|
|
* for remaining tasks. Used for later tasks to reparent to task. */
|
|
boolean taskFound = false;
|
|
|
|
/** If ActivityOptions are moved out and need to be aborted or moved to taskTop. */
|
|
ActivityOptions topOptions = null;
|
|
|
|
// Preserve the location for reparenting in the new task.
|
|
int reparentInsertionPoint = -1;
|
|
|
|
for (int i = mTaskHistory.size() - 1; i >= 0; --i) {
|
|
final TaskRecord targetTask = mTaskHistory.get(i);
|
|
|
|
if (targetTask == task) {
|
|
topOptions = resetTargetTaskIfNeededLocked(task, forceReset);
|
|
taskFound = true;
|
|
} else {
|
|
reparentInsertionPoint = resetAffinityTaskIfNeededLocked(targetTask, task,
|
|
taskFound, forceReset, reparentInsertionPoint);
|
|
}
|
|
}
|
|
|
|
int taskNdx = mTaskHistory.indexOf(task);
|
|
do {
|
|
taskTop = mTaskHistory.get(taskNdx--).getTopActivity();
|
|
} while (taskTop == null && taskNdx >= 0);
|
|
|
|
if (topOptions != null) {
|
|
// If we got some ActivityOptions from an activity on top that
|
|
// was removed from the task, propagate them to the new real top.
|
|
if (taskTop != null) {
|
|
taskTop.updateOptionsLocked(topOptions);
|
|
} else {
|
|
topOptions.abort();
|
|
}
|
|
}
|
|
|
|
return taskTop;
|
|
}
|
|
|
|
void sendActivityResultLocked(int callingUid, ActivityRecord r,
|
|
String resultWho, int requestCode, int resultCode, Intent data) {
|
|
|
|
if (callingUid > 0) {
|
|
mService.grantUriPermissionFromIntentLocked(callingUid, r.packageName,
|
|
data, r.getUriPermissionsLocked());
|
|
}
|
|
|
|
if (DEBUG_RESULTS) Slog.v(TAG, "Send activity result to " + r
|
|
+ " : who=" + resultWho + " req=" + requestCode
|
|
+ " res=" + resultCode + " data=" + data);
|
|
if (mResumedActivity == r && r.app != null && r.app.thread != null) {
|
|
try {
|
|
ArrayList<ResultInfo> list = new ArrayList<ResultInfo>();
|
|
list.add(new ResultInfo(resultWho, requestCode,
|
|
resultCode, data));
|
|
r.app.thread.scheduleSendResult(r.appToken, list);
|
|
return;
|
|
} catch (Exception e) {
|
|
Slog.w(TAG, "Exception thrown sending result to " + r, e);
|
|
}
|
|
}
|
|
|
|
r.addResultLocked(null, resultWho, requestCode, resultCode, data);
|
|
}
|
|
|
|
final void stopActivityLocked(ActivityRecord r) {
|
|
if (DEBUG_SWITCH) Slog.d(TAG, "Stopping: " + r);
|
|
if ((r.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_HISTORY) != 0
|
|
|| (r.info.flags&ActivityInfo.FLAG_NO_HISTORY) != 0) {
|
|
if (!r.finishing) {
|
|
if (!mService.mSleeping) {
|
|
if (DEBUG_STATES) {
|
|
Slog.d(TAG, "no-history finish of " + r);
|
|
}
|
|
requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null,
|
|
"no-history", false);
|
|
} else {
|
|
if (DEBUG_STATES) Slog.d(TAG, "Not finishing noHistory " + r
|
|
+ " on stop because we're just sleeping");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (r.app != null && r.app.thread != null) {
|
|
if (mStackSupervisor.isFrontStack(this)) {
|
|
if (mService.mFocusedActivity == r) {
|
|
mService.setFocusedActivityLocked(topRunningActivityLocked(null));
|
|
}
|
|
}
|
|
r.resumeKeyDispatchingLocked();
|
|
try {
|
|
r.stopped = false;
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to STOPPING: " + r
|
|
+ " (stop requested)");
|
|
r.state = ActivityState.STOPPING;
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Stopping visible=" + r.visible + " for " + r);
|
|
if (!r.visible) {
|
|
mWindowManager.setAppVisibility(r.appToken, false);
|
|
}
|
|
r.app.thread.scheduleStopActivity(r.appToken, r.visible, r.configChangeFlags);
|
|
if (mService.isSleepingOrShuttingDown()) {
|
|
r.setSleeping(true);
|
|
}
|
|
Message msg = mHandler.obtainMessage(STOP_TIMEOUT_MSG, r);
|
|
mHandler.sendMessageDelayed(msg, STOP_TIMEOUT);
|
|
} catch (Exception e) {
|
|
// Maybe just ignore exceptions here... if the process
|
|
// has crashed, our death notification will clean things
|
|
// up.
|
|
Slog.w(TAG, "Exception thrown during pause", e);
|
|
// Just in case, assume it to be stopped.
|
|
r.stopped = true;
|
|
if (DEBUG_STATES) Slog.v(TAG, "Stop failed; moving to STOPPED: " + r);
|
|
r.state = ActivityState.STOPPED;
|
|
if (r.configDestroy) {
|
|
destroyActivityLocked(r, true, false, "stop-except");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return Returns true if the activity is being finished, false if for
|
|
* some reason it is being left as-is.
|
|
*/
|
|
final boolean requestFinishActivityLocked(IBinder token, int resultCode,
|
|
Intent resultData, String reason, boolean oomAdj) {
|
|
ActivityRecord r = isInStackLocked(token);
|
|
if (DEBUG_RESULTS || DEBUG_STATES) Slog.v(
|
|
TAG, "Finishing activity token=" + token + " r="
|
|
+ ", result=" + resultCode + ", data=" + resultData
|
|
+ ", reason=" + reason);
|
|
if (r == null) {
|
|
return false;
|
|
}
|
|
|
|
finishActivityLocked(r, resultCode, resultData, reason, oomAdj);
|
|
return true;
|
|
}
|
|
|
|
final void finishSubActivityLocked(ActivityRecord self, String resultWho, int requestCode) {
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
ActivityRecord r = activities.get(activityNdx);
|
|
if (r.resultTo == self && r.requestCode == requestCode) {
|
|
if ((r.resultWho == null && resultWho == null) ||
|
|
(r.resultWho != null && r.resultWho.equals(resultWho))) {
|
|
finishActivityLocked(r, Activity.RESULT_CANCELED, null, "request-sub",
|
|
false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
mService.updateOomAdjLocked();
|
|
}
|
|
|
|
final void finishTopRunningActivityLocked(ProcessRecord app) {
|
|
ActivityRecord r = topRunningActivityLocked(null);
|
|
if (r != null && r.app == app) {
|
|
// If the top running activity is from this crashing
|
|
// process, then terminate it to avoid getting in a loop.
|
|
Slog.w(TAG, " Force finishing activity "
|
|
+ r.intent.getComponent().flattenToShortString());
|
|
int taskNdx = mTaskHistory.indexOf(r.task);
|
|
int activityNdx = r.task.mActivities.indexOf(r);
|
|
finishActivityLocked(r, Activity.RESULT_CANCELED, null, "crashed", false);
|
|
// Also terminate any activities below it that aren't yet
|
|
// stopped, to avoid a situation where one will get
|
|
// re-start our crashing activity once it gets resumed again.
|
|
--activityNdx;
|
|
if (activityNdx < 0) {
|
|
do {
|
|
--taskNdx;
|
|
if (taskNdx < 0) {
|
|
break;
|
|
}
|
|
activityNdx = mTaskHistory.get(taskNdx).mActivities.size() - 1;
|
|
} while (activityNdx < 0);
|
|
}
|
|
if (activityNdx >= 0) {
|
|
r = mTaskHistory.get(taskNdx).mActivities.get(activityNdx);
|
|
if (r.state == ActivityState.RESUMED
|
|
|| r.state == ActivityState.PAUSING
|
|
|| r.state == ActivityState.PAUSED) {
|
|
if (!r.isHomeActivity() || mService.mHomeProcess != r.app) {
|
|
Slog.w(TAG, " Force finishing activity "
|
|
+ r.intent.getComponent().flattenToShortString());
|
|
finishActivityLocked(r, Activity.RESULT_CANCELED, null, "crashed", false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
final boolean finishActivityAffinityLocked(ActivityRecord r) {
|
|
ArrayList<ActivityRecord> activities = r.task.mActivities;
|
|
for (int index = activities.indexOf(r); index >= 0; --index) {
|
|
ActivityRecord cur = activities.get(index);
|
|
if (!Objects.equal(cur.taskAffinity, r.taskAffinity)) {
|
|
break;
|
|
}
|
|
finishActivityLocked(cur, Activity.RESULT_CANCELED, null, "request-affinity", true);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
final void finishActivityResultsLocked(ActivityRecord r, int resultCode, Intent resultData) {
|
|
// send the result
|
|
ActivityRecord resultTo = r.resultTo;
|
|
if (resultTo != null) {
|
|
if (DEBUG_RESULTS) Slog.v(TAG, "Adding result to " + resultTo
|
|
+ " who=" + r.resultWho + " req=" + r.requestCode
|
|
+ " res=" + resultCode + " data=" + resultData);
|
|
if (r.info.applicationInfo.uid > 0) {
|
|
mService.grantUriPermissionFromIntentLocked(r.info.applicationInfo.uid,
|
|
resultTo.packageName, resultData,
|
|
resultTo.getUriPermissionsLocked());
|
|
}
|
|
resultTo.addResultLocked(r, r.resultWho, r.requestCode, resultCode,
|
|
resultData);
|
|
r.resultTo = null;
|
|
}
|
|
else if (DEBUG_RESULTS) Slog.v(TAG, "No result destination from " + r);
|
|
|
|
// Make sure this HistoryRecord is not holding on to other resources,
|
|
// because clients have remote IPC references to this object so we
|
|
// can't assume that will go away and want to avoid circular IPC refs.
|
|
r.results = null;
|
|
r.pendingResults = null;
|
|
r.newIntents = null;
|
|
r.icicle = null;
|
|
}
|
|
|
|
/**
|
|
* @return Returns true if this activity has been removed from the history
|
|
* list, or false if it is still in the list and will be removed later.
|
|
*/
|
|
final boolean finishActivityLocked(ActivityRecord r, int resultCode, Intent resultData,
|
|
String reason, boolean oomAdj) {
|
|
if (r.finishing) {
|
|
Slog.w(TAG, "Duplicate finish request for " + r);
|
|
return false;
|
|
}
|
|
|
|
r.makeFinishing();
|
|
EventLog.writeEvent(EventLogTags.AM_FINISH_ACTIVITY,
|
|
r.userId, System.identityHashCode(r),
|
|
r.task.taskId, r.shortComponentName, reason);
|
|
final ArrayList<ActivityRecord> activities = r.task.mActivities;
|
|
final int index = activities.indexOf(r);
|
|
if (index < (activities.size() - 1)) {
|
|
ActivityRecord next = activities.get(index+1);
|
|
if (r.frontOfTask) {
|
|
// The next activity is now the front of the task.
|
|
next.frontOfTask = true;
|
|
}
|
|
if ((r.intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) {
|
|
// If the caller asked that this activity (and all above it)
|
|
// be cleared when the task is reset, don't lose that information,
|
|
// but propagate it up to the next activity.
|
|
next.intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
|
|
}
|
|
}
|
|
|
|
r.pauseKeyDispatchingLocked();
|
|
if (mStackSupervisor.isFrontStack(this)) {
|
|
if (mService.mFocusedActivity == r) {
|
|
mService.setFocusedActivityLocked(mStackSupervisor.topRunningActivityLocked());
|
|
}
|
|
}
|
|
|
|
finishActivityResultsLocked(r, resultCode, resultData);
|
|
|
|
if (!mService.mPendingThumbnails.isEmpty()) {
|
|
// There are clients waiting to receive thumbnails so, in case
|
|
// this is an activity that someone is waiting for, add it
|
|
// to the pending list so we can correctly update the clients.
|
|
mStackSupervisor.mCancelledThumbnails.add(r);
|
|
}
|
|
|
|
if (mResumedActivity == r) {
|
|
boolean endTask = index <= 0;
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare close transition: finishing " + r);
|
|
mWindowManager.prepareAppTransition(endTask
|
|
? AppTransition.TRANSIT_TASK_CLOSE
|
|
: AppTransition.TRANSIT_ACTIVITY_CLOSE, false);
|
|
|
|
// Tell window manager to prepare for this one to be removed.
|
|
mWindowManager.setAppVisibility(r.appToken, false);
|
|
|
|
if (mPausingActivity == null) {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Finish needs to pause: " + r);
|
|
if (DEBUG_USER_LEAVING) Slog.v(TAG, "finish() => pause with userLeaving=false");
|
|
startPausingLocked(false, false);
|
|
}
|
|
|
|
} else if (r.state != ActivityState.PAUSING) {
|
|
// If the activity is PAUSING, we will complete the finish once
|
|
// it is done pausing; else we can just directly finish it here.
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Finish not pausing: " + r);
|
|
return finishCurrentActivityLocked(r, FINISH_AFTER_PAUSE, oomAdj) == null;
|
|
} else {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Finish waiting for pause of: " + r);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static final int FINISH_IMMEDIATELY = 0;
|
|
static final int FINISH_AFTER_PAUSE = 1;
|
|
static final int FINISH_AFTER_VISIBLE = 2;
|
|
|
|
final ActivityRecord finishCurrentActivityLocked(ActivityRecord r, int mode, boolean oomAdj) {
|
|
// First things first: if this activity is currently visible,
|
|
// and the resumed activity is not yet visible, then hold off on
|
|
// finishing until the resumed one becomes visible.
|
|
if (mode == FINISH_AFTER_VISIBLE && r.nowVisible) {
|
|
if (!mStackSupervisor.mStoppingActivities.contains(r)) {
|
|
mStackSupervisor.mStoppingActivities.add(r);
|
|
if (mStackSupervisor.mStoppingActivities.size() > 3
|
|
|| r.frontOfTask && mTaskHistory.size() <= 1) {
|
|
// If we already have a few activities waiting to stop,
|
|
// then give up on things going idle and start clearing
|
|
// them out. Or if r is the last of activity of the last task the stack
|
|
// will be empty and must be cleared immediately.
|
|
mStackSupervisor.scheduleIdleLocked();
|
|
} else {
|
|
mStackSupervisor.checkReadyForSleepLocked();
|
|
}
|
|
}
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to STOPPING: " + r
|
|
+ " (finish requested)");
|
|
r.state = ActivityState.STOPPING;
|
|
if (oomAdj) {
|
|
mService.updateOomAdjLocked();
|
|
}
|
|
return r;
|
|
}
|
|
|
|
// make sure the record is cleaned out of other places.
|
|
mStackSupervisor.mStoppingActivities.remove(r);
|
|
mStackSupervisor.mGoingToSleepActivities.remove(r);
|
|
mStackSupervisor.mWaitingVisibleActivities.remove(r);
|
|
if (mResumedActivity == r) {
|
|
mResumedActivity = null;
|
|
}
|
|
final ActivityState prevState = r.state;
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to FINISHING: " + r);
|
|
r.state = ActivityState.FINISHING;
|
|
|
|
if (mode == FINISH_IMMEDIATELY
|
|
|| prevState == ActivityState.STOPPED
|
|
|| prevState == ActivityState.INITIALIZING) {
|
|
// If this activity is already stopped, we can just finish
|
|
// it right now.
|
|
boolean activityRemoved = destroyActivityLocked(r, true,
|
|
oomAdj, "finish-imm");
|
|
if (activityRemoved) {
|
|
mStackSupervisor.resumeTopActivitiesLocked();
|
|
}
|
|
return activityRemoved ? null : r;
|
|
}
|
|
|
|
// Need to go through the full pause cycle to get this
|
|
// activity into the stopped state and then finish it.
|
|
if (localLOGV) Slog.v(TAG, "Enqueueing pending finish: " + r);
|
|
mStackSupervisor.mFinishingActivities.add(r);
|
|
mStackSupervisor.getFocusedStack().resumeTopActivityLocked(null);
|
|
return r;
|
|
}
|
|
|
|
final boolean navigateUpToLocked(IBinder token, Intent destIntent, int resultCode,
|
|
Intent resultData) {
|
|
final ActivityRecord srec = ActivityRecord.forToken(token);
|
|
final TaskRecord task = srec.task;
|
|
final ArrayList<ActivityRecord> activities = task.mActivities;
|
|
final int start = activities.indexOf(srec);
|
|
if (!mTaskHistory.contains(task) || (start < 0)) {
|
|
return false;
|
|
}
|
|
int finishTo = start - 1;
|
|
ActivityRecord parent = finishTo < 0 ? null : activities.get(finishTo);
|
|
boolean foundParentInTask = false;
|
|
final ComponentName dest = destIntent.getComponent();
|
|
if (start > 0 && dest != null) {
|
|
for (int i = finishTo; i >= 0; i--) {
|
|
ActivityRecord r = activities.get(i);
|
|
if (r.info.packageName.equals(dest.getPackageName()) &&
|
|
r.info.name.equals(dest.getClassName())) {
|
|
finishTo = i;
|
|
parent = r;
|
|
foundParentInTask = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
IActivityController controller = mService.mController;
|
|
if (controller != null) {
|
|
ActivityRecord next = topRunningActivityLocked(srec.appToken, 0);
|
|
if (next != null) {
|
|
// ask watcher if this is allowed
|
|
boolean resumeOK = true;
|
|
try {
|
|
resumeOK = controller.activityResuming(next.packageName);
|
|
} catch (RemoteException e) {
|
|
mService.mController = null;
|
|
Watchdog.getInstance().setActivityController(null);
|
|
}
|
|
|
|
if (!resumeOK) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
final long origId = Binder.clearCallingIdentity();
|
|
for (int i = start; i > finishTo; i--) {
|
|
ActivityRecord r = activities.get(i);
|
|
requestFinishActivityLocked(r.appToken, resultCode, resultData, "navigate-up", true);
|
|
// Only return the supplied result for the first activity finished
|
|
resultCode = Activity.RESULT_CANCELED;
|
|
resultData = null;
|
|
}
|
|
|
|
if (parent != null && foundParentInTask) {
|
|
final int parentLaunchMode = parent.info.launchMode;
|
|
final int destIntentFlags = destIntent.getFlags();
|
|
if (parentLaunchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE ||
|
|
parentLaunchMode == ActivityInfo.LAUNCH_SINGLE_TASK ||
|
|
parentLaunchMode == ActivityInfo.LAUNCH_SINGLE_TOP ||
|
|
(destIntentFlags & Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) {
|
|
parent.deliverNewIntentLocked(srec.info.applicationInfo.uid, destIntent);
|
|
} else {
|
|
try {
|
|
ActivityInfo aInfo = AppGlobals.getPackageManager().getActivityInfo(
|
|
destIntent.getComponent(), 0, srec.userId);
|
|
int res = mStackSupervisor.startActivityLocked(srec.app.thread, destIntent,
|
|
null, aInfo, parent.appToken, null,
|
|
0, -1, parent.launchedFromUid, parent.launchedFromPackage,
|
|
0, null, true, null);
|
|
foundParentInTask = res == ActivityManager.START_SUCCESS;
|
|
} catch (RemoteException e) {
|
|
foundParentInTask = false;
|
|
}
|
|
requestFinishActivityLocked(parent.appToken, resultCode,
|
|
resultData, "navigate-up", true);
|
|
}
|
|
}
|
|
Binder.restoreCallingIdentity(origId);
|
|
return foundParentInTask;
|
|
}
|
|
/**
|
|
* Perform the common clean-up of an activity record. This is called both
|
|
* as part of destroyActivityLocked() (when destroying the client-side
|
|
* representation) and cleaning things up as a result of its hosting
|
|
* processing going away, in which case there is no remaining client-side
|
|
* state to destroy so only the cleanup here is needed.
|
|
*/
|
|
final void cleanUpActivityLocked(ActivityRecord r, boolean cleanServices,
|
|
boolean setState) {
|
|
if (mResumedActivity == r) {
|
|
mResumedActivity = null;
|
|
}
|
|
if (mService.mFocusedActivity == r) {
|
|
mService.mFocusedActivity = null;
|
|
}
|
|
|
|
r.configDestroy = false;
|
|
r.frozenBeforeDestroy = false;
|
|
|
|
if (setState) {
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to DESTROYED: " + r + " (cleaning up)");
|
|
r.state = ActivityState.DESTROYED;
|
|
if (DEBUG_APP) Slog.v(TAG, "Clearing app during cleanUp for activity " + r);
|
|
r.app = null;
|
|
}
|
|
|
|
// 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.
|
|
mStackSupervisor.mFinishingActivities.remove(r);
|
|
mStackSupervisor.mWaitingVisibleActivities.remove(r);
|
|
|
|
// Remove any pending results.
|
|
if (r.finishing && r.pendingResults != null) {
|
|
for (WeakReference<PendingIntentRecord> apr : r.pendingResults) {
|
|
PendingIntentRecord rec = apr.get();
|
|
if (rec != null) {
|
|
mService.cancelIntentSenderLocked(rec, false);
|
|
}
|
|
}
|
|
r.pendingResults = null;
|
|
}
|
|
|
|
if (cleanServices) {
|
|
cleanUpActivityServicesLocked(r);
|
|
}
|
|
|
|
if (!mService.mPendingThumbnails.isEmpty()) {
|
|
// There are clients waiting to receive thumbnails so, in case
|
|
// this is an activity that someone is waiting for, add it
|
|
// to the pending list so we can correctly update the clients.
|
|
mStackSupervisor.mCancelledThumbnails.add(r);
|
|
}
|
|
|
|
// Get rid of any pending idle timeouts.
|
|
removeTimeoutsForActivityLocked(r);
|
|
}
|
|
|
|
private void removeTimeoutsForActivityLocked(ActivityRecord r) {
|
|
mStackSupervisor.removeTimeoutsForActivityLocked(r);
|
|
mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r);
|
|
mHandler.removeMessages(STOP_TIMEOUT_MSG, r);
|
|
mHandler.removeMessages(DESTROY_TIMEOUT_MSG, r);
|
|
r.finishLaunchTickingLocked();
|
|
}
|
|
|
|
final void removeActivityFromHistoryLocked(ActivityRecord r) {
|
|
finishActivityResultsLocked(r, Activity.RESULT_CANCELED, null);
|
|
r.makeFinishing();
|
|
if (DEBUG_ADD_REMOVE) {
|
|
RuntimeException here = new RuntimeException("here");
|
|
here.fillInStackTrace();
|
|
Slog.i(TAG, "Removing activity " + r + " from stack");
|
|
}
|
|
final TaskRecord task = r.task;
|
|
if (task != null && task.removeActivity(r)) {
|
|
if (DEBUG_STACK) Slog.i(TAG,
|
|
"removeActivityFromHistoryLocked: last activity removed from " + this);
|
|
mStackSupervisor.removeTask(task);
|
|
}
|
|
r.takeFromHistory();
|
|
removeTimeoutsForActivityLocked(r);
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to DESTROYED: " + r + " (removed from history)");
|
|
r.state = ActivityState.DESTROYED;
|
|
if (DEBUG_APP) Slog.v(TAG, "Clearing app during remove for activity " + r);
|
|
r.app = null;
|
|
mWindowManager.removeAppToken(r.appToken);
|
|
if (VALIDATE_TOKENS) {
|
|
validateAppTokensLocked();
|
|
}
|
|
cleanUpActivityServicesLocked(r);
|
|
r.removeUriPermissionsLocked();
|
|
}
|
|
|
|
/**
|
|
* Perform clean-up of service connections in an activity record.
|
|
*/
|
|
final void cleanUpActivityServicesLocked(ActivityRecord r) {
|
|
// Throw away any services that have been bound by this activity.
|
|
if (r.connections != null) {
|
|
Iterator<ConnectionRecord> it = r.connections.iterator();
|
|
while (it.hasNext()) {
|
|
ConnectionRecord c = it.next();
|
|
mService.mServices.removeConnectionLocked(c, null, r);
|
|
}
|
|
r.connections = null;
|
|
}
|
|
}
|
|
|
|
final void scheduleDestroyActivities(ProcessRecord owner, boolean oomAdj, String reason) {
|
|
Message msg = mHandler.obtainMessage(DESTROY_ACTIVITIES_MSG);
|
|
msg.obj = new ScheduleDestroyArgs(owner, oomAdj, reason);
|
|
mHandler.sendMessage(msg);
|
|
}
|
|
|
|
final void destroyActivitiesLocked(ProcessRecord owner, boolean oomAdj, String reason) {
|
|
boolean lastIsOpaque = false;
|
|
boolean activityRemoved = false;
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
if (r.finishing) {
|
|
continue;
|
|
}
|
|
if (r.fullscreen) {
|
|
lastIsOpaque = true;
|
|
}
|
|
if (owner != null && r.app != owner) {
|
|
continue;
|
|
}
|
|
if (!lastIsOpaque) {
|
|
continue;
|
|
}
|
|
// We can destroy this one if we have its icicle saved and
|
|
// it is not in the process of pausing/stopping/finishing.
|
|
if (r.app != null && r != mResumedActivity && r != mPausingActivity
|
|
&& r.haveState && !r.visible && r.stopped
|
|
&& r.state != ActivityState.DESTROYING
|
|
&& r.state != ActivityState.DESTROYED) {
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Destroying " + r + " in state " + r.state
|
|
+ " resumed=" + mResumedActivity
|
|
+ " pausing=" + mPausingActivity);
|
|
if (destroyActivityLocked(r, true, oomAdj, reason)) {
|
|
activityRemoved = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (activityRemoved) {
|
|
mStackSupervisor.resumeTopActivitiesLocked();
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Destroy the current CLIENT SIDE instance of an activity. This may be
|
|
* called both when actually finishing an activity, or when performing
|
|
* a configuration switch where we destroy the current client-side object
|
|
* but then create a new client-side object for this same HistoryRecord.
|
|
*/
|
|
final boolean destroyActivityLocked(ActivityRecord r,
|
|
boolean removeFromApp, boolean oomAdj, String reason) {
|
|
if (DEBUG_SWITCH || DEBUG_CLEANUP) Slog.v(
|
|
TAG, "Removing activity from " + reason + ": token=" + r
|
|
+ ", app=" + (r.app != null ? r.app.processName : "(null)"));
|
|
EventLog.writeEvent(EventLogTags.AM_DESTROY_ACTIVITY,
|
|
r.userId, System.identityHashCode(r),
|
|
r.task.taskId, r.shortComponentName, reason);
|
|
|
|
boolean removedFromHistory = false;
|
|
|
|
cleanUpActivityLocked(r, false, false);
|
|
|
|
final boolean hadApp = r.app != null;
|
|
|
|
if (hadApp) {
|
|
if (removeFromApp) {
|
|
r.app.activities.remove(r);
|
|
if (mService.mHeavyWeightProcess == r.app && r.app.activities.size() <= 0) {
|
|
mService.mHeavyWeightProcess = null;
|
|
mService.mHandler.sendEmptyMessage(
|
|
ActivityManagerService.CANCEL_HEAVY_NOTIFICATION_MSG);
|
|
}
|
|
if (r.app.activities.isEmpty()) {
|
|
// No longer have activities, so update oom adj.
|
|
mService.updateOomAdjLocked();
|
|
}
|
|
}
|
|
|
|
boolean skipDestroy = false;
|
|
|
|
try {
|
|
if (DEBUG_SWITCH) Slog.i(TAG, "Destroying: " + r);
|
|
r.app.thread.scheduleDestroyActivity(r.appToken, r.finishing,
|
|
r.configChangeFlags);
|
|
} catch (Exception e) {
|
|
// We can just ignore exceptions here... if the process
|
|
// has crashed, our death notification will clean things
|
|
// up.
|
|
//Slog.w(TAG, "Exception thrown during finish", e);
|
|
if (r.finishing) {
|
|
removeActivityFromHistoryLocked(r);
|
|
removedFromHistory = true;
|
|
skipDestroy = true;
|
|
}
|
|
}
|
|
|
|
r.nowVisible = false;
|
|
|
|
// If the activity is finishing, we need to wait on removing it
|
|
// from the list to give it a chance to do its cleanup. During
|
|
// that time it may make calls back with its token so we need to
|
|
// be able to find it on the list and so we don't want to remove
|
|
// it from the list yet. Otherwise, we can just immediately put
|
|
// it in the destroyed state since we are not removing it from the
|
|
// list.
|
|
if (r.finishing && !skipDestroy) {
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to DESTROYING: " + r
|
|
+ " (destroy requested)");
|
|
r.state = ActivityState.DESTROYING;
|
|
Message msg = mHandler.obtainMessage(DESTROY_TIMEOUT_MSG, r);
|
|
mHandler.sendMessageDelayed(msg, DESTROY_TIMEOUT);
|
|
} else {
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to DESTROYED: " + r + " (destroy skipped)");
|
|
r.state = ActivityState.DESTROYED;
|
|
if (DEBUG_APP) Slog.v(TAG, "Clearing app during destroy for activity " + r);
|
|
r.app = null;
|
|
}
|
|
} else {
|
|
// remove this record from the history.
|
|
if (r.finishing) {
|
|
removeActivityFromHistoryLocked(r);
|
|
removedFromHistory = true;
|
|
} else {
|
|
if (DEBUG_STATES) Slog.v(TAG, "Moving to DESTROYED: " + r + " (no app)");
|
|
r.state = ActivityState.DESTROYED;
|
|
if (DEBUG_APP) Slog.v(TAG, "Clearing app during destroy for activity " + r);
|
|
r.app = null;
|
|
}
|
|
}
|
|
|
|
r.configChangeFlags = 0;
|
|
|
|
if (!mLRUActivities.remove(r) && hadApp) {
|
|
Slog.w(TAG, "Activity " + r + " being finished, but not in LRU list");
|
|
}
|
|
|
|
return removedFromHistory;
|
|
}
|
|
|
|
final void activityDestroyedLocked(IBinder token) {
|
|
final long origId = Binder.clearCallingIdentity();
|
|
try {
|
|
ActivityRecord r = ActivityRecord.forToken(token);
|
|
if (r != null) {
|
|
mHandler.removeMessages(DESTROY_TIMEOUT_MSG, r);
|
|
}
|
|
|
|
if (isInStackLocked(token) != null) {
|
|
if (r.state == ActivityState.DESTROYING) {
|
|
cleanUpActivityLocked(r, true, false);
|
|
removeActivityFromHistoryLocked(r);
|
|
}
|
|
}
|
|
mStackSupervisor.resumeTopActivitiesLocked();
|
|
} finally {
|
|
Binder.restoreCallingIdentity(origId);
|
|
}
|
|
}
|
|
|
|
private void removeHistoryRecordsForAppLocked(ArrayList<ActivityRecord> list,
|
|
ProcessRecord app, String listName) {
|
|
int i = list.size();
|
|
if (DEBUG_CLEANUP) Slog.v(
|
|
TAG, "Removing app " + app + " from list " + listName
|
|
+ " with " + i + " entries");
|
|
while (i > 0) {
|
|
i--;
|
|
ActivityRecord r = list.get(i);
|
|
if (DEBUG_CLEANUP) Slog.v(TAG, "Record #" + i + " " + r);
|
|
if (r.app == app) {
|
|
if (DEBUG_CLEANUP) Slog.v(TAG, "---> REMOVING this entry!");
|
|
list.remove(i);
|
|
removeTimeoutsForActivityLocked(r);
|
|
}
|
|
}
|
|
}
|
|
|
|
boolean removeHistoryRecordsForAppLocked(ProcessRecord app) {
|
|
removeHistoryRecordsForAppLocked(mLRUActivities, app, "mLRUActivities");
|
|
removeHistoryRecordsForAppLocked(mStackSupervisor.mStoppingActivities, app,
|
|
"mStoppingActivities");
|
|
removeHistoryRecordsForAppLocked(mStackSupervisor.mGoingToSleepActivities, app,
|
|
"mGoingToSleepActivities");
|
|
removeHistoryRecordsForAppLocked(mStackSupervisor.mWaitingVisibleActivities, app,
|
|
"mWaitingVisibleActivities");
|
|
removeHistoryRecordsForAppLocked(mStackSupervisor.mFinishingActivities, app,
|
|
"mFinishingActivities");
|
|
|
|
boolean hasVisibleActivities = false;
|
|
|
|
// Clean out the history list.
|
|
int i = numActivities();
|
|
if (DEBUG_CLEANUP) Slog.v(
|
|
TAG, "Removing app " + app + " from history with " + i + " entries");
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
--i;
|
|
if (DEBUG_CLEANUP) Slog.v(
|
|
TAG, "Record #" + i + " " + r + ": app=" + r.app);
|
|
if (r.app == app) {
|
|
boolean remove;
|
|
if ((!r.haveState && !r.stateNotNeeded) || r.finishing) {
|
|
// Don't currently have state for the activity, or
|
|
// it is finishing -- always remove it.
|
|
remove = true;
|
|
} else if (r.launchCount > 2 &&
|
|
r.lastLaunchTime > (SystemClock.uptimeMillis()-60000)) {
|
|
// We have launched this activity too many times since it was
|
|
// able to run, so give up and remove it.
|
|
remove = true;
|
|
} else {
|
|
// The process may be gone, but the activity lives on!
|
|
remove = false;
|
|
}
|
|
if (remove) {
|
|
if (DEBUG_ADD_REMOVE || DEBUG_CLEANUP) {
|
|
RuntimeException here = new RuntimeException("here");
|
|
here.fillInStackTrace();
|
|
Slog.i(TAG, "Removing activity " + r + " from stack at " + i
|
|
+ ": haveState=" + r.haveState
|
|
+ " stateNotNeeded=" + r.stateNotNeeded
|
|
+ " finishing=" + r.finishing
|
|
+ " state=" + r.state, here);
|
|
}
|
|
if (!r.finishing) {
|
|
Slog.w(TAG, "Force removing " + r + ": app died, no saved state");
|
|
EventLog.writeEvent(EventLogTags.AM_FINISH_ACTIVITY,
|
|
r.userId, System.identityHashCode(r),
|
|
r.task.taskId, r.shortComponentName,
|
|
"proc died without state saved");
|
|
if (r.state == ActivityState.RESUMED) {
|
|
mService.updateUsageStats(r, false);
|
|
}
|
|
}
|
|
removeActivityFromHistoryLocked(r);
|
|
|
|
} else {
|
|
// We have the current state for this activity, so
|
|
// it can be restarted later when needed.
|
|
if (localLOGV) Slog.v(
|
|
TAG, "Keeping entry, setting app to null");
|
|
if (r.visible) {
|
|
hasVisibleActivities = true;
|
|
}
|
|
if (DEBUG_APP) Slog.v(TAG, "Clearing app during removeHistory for activity "
|
|
+ r);
|
|
r.app = null;
|
|
r.nowVisible = false;
|
|
if (!r.haveState) {
|
|
if (DEBUG_SAVED_STATE) Slog.i(TAG,
|
|
"App died, clearing saved state of " + r);
|
|
r.icicle = null;
|
|
}
|
|
}
|
|
|
|
cleanUpActivityLocked(r, true, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
return hasVisibleActivities;
|
|
}
|
|
|
|
final void updateTransitLocked(int transit, Bundle options) {
|
|
if (options != null) {
|
|
ActivityRecord r = topRunningActivityLocked(null);
|
|
if (r != null && r.state != ActivityState.RESUMED) {
|
|
r.updateOptionsLocked(options);
|
|
} else {
|
|
ActivityOptions.abort(options);
|
|
}
|
|
}
|
|
mWindowManager.prepareAppTransition(transit, false);
|
|
}
|
|
|
|
void moveHomeTaskToTop() {
|
|
final int top = mTaskHistory.size() - 1;
|
|
for (int taskNdx = top; taskNdx >= 0; --taskNdx) {
|
|
final TaskRecord task = mTaskHistory.get(taskNdx);
|
|
if (task.isHomeTask()) {
|
|
mTaskHistory.remove(taskNdx);
|
|
mTaskHistory.add(top, task);
|
|
mWindowManager.moveTaskToTop(task.taskId);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
final boolean findTaskToMoveToFrontLocked(int taskId, int flags, Bundle options) {
|
|
final TaskRecord task = taskForIdLocked(taskId);
|
|
if (task != null) {
|
|
if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {
|
|
mStackSupervisor.mUserLeaving = true;
|
|
}
|
|
if ((flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0) {
|
|
// Caller wants the home activity moved with it. To accomplish this,
|
|
// we'll just indicate that this task returns to the home task.
|
|
task.mOnTopOfHome = true;
|
|
}
|
|
moveTaskToFrontLocked(task, null, options);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
final void moveTaskToFrontLocked(TaskRecord tr, ActivityRecord reason, Bundle options) {
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "moveTaskToFront: " + tr);
|
|
|
|
final int numTasks = mTaskHistory.size();
|
|
final int index = mTaskHistory.indexOf(tr);
|
|
if (numTasks == 0 || index < 0) {
|
|
// nothing to do!
|
|
if (reason != null &&
|
|
(reason.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
|
|
ActivityOptions.abort(options);
|
|
} else {
|
|
updateTransitLocked(AppTransition.TRANSIT_TASK_TO_FRONT, options);
|
|
}
|
|
return;
|
|
}
|
|
|
|
mStackSupervisor.moveHomeStack(isHomeStack());
|
|
|
|
// Shift all activities with this task up to the top
|
|
// of the stack, keeping them in the same internal order.
|
|
insertTaskAtTop(tr);
|
|
|
|
if (DEBUG_TRANSITION) Slog.v(TAG, "Prepare to front transition: task=" + tr);
|
|
if (reason != null &&
|
|
(reason.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
|
|
mWindowManager.prepareAppTransition(AppTransition.TRANSIT_NONE, false);
|
|
ActivityRecord r = topRunningActivityLocked(null);
|
|
if (r != null) {
|
|
mNoAnimActivities.add(r);
|
|
}
|
|
ActivityOptions.abort(options);
|
|
} else {
|
|
updateTransitLocked(AppTransition.TRANSIT_TASK_TO_FRONT, options);
|
|
}
|
|
|
|
mWindowManager.moveTaskToTop(tr.taskId);
|
|
|
|
mStackSupervisor.resumeTopActivitiesLocked();
|
|
EventLog.writeEvent(EventLogTags.AM_TASK_TO_FRONT, tr.userId, tr.taskId);
|
|
|
|
if (VALIDATE_TOKENS) {
|
|
validateAppTokensLocked();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Worker method for rearranging history stack. Implements the function of moving all
|
|
* activities for a specific task (gathering them if disjoint) into a single group at the
|
|
* bottom of the stack.
|
|
*
|
|
* If a watcher is installed, the action is preflighted and the watcher has an opportunity
|
|
* to premeptively cancel the move.
|
|
*
|
|
* @param taskId The taskId to collect and move to the bottom.
|
|
* @return Returns true if the move completed, false if not.
|
|
*/
|
|
final boolean moveTaskToBackLocked(int taskId, ActivityRecord reason) {
|
|
Slog.i(TAG, "moveTaskToBack: " + taskId);
|
|
|
|
// If we have a watcher, preflight the move before committing to it. First check
|
|
// for *other* available tasks, but if none are available, then try again allowing the
|
|
// current task to be selected.
|
|
if (mStackSupervisor.isFrontStack(this) && mService.mController != null) {
|
|
ActivityRecord next = topRunningActivityLocked(null, taskId);
|
|
if (next == null) {
|
|
next = topRunningActivityLocked(null, 0);
|
|
}
|
|
if (next != null) {
|
|
// ask watcher if this is allowed
|
|
boolean moveOK = true;
|
|
try {
|
|
moveOK = mService.mController.activityResuming(next.packageName);
|
|
} catch (RemoteException e) {
|
|
mService.mController = null;
|
|
Watchdog.getInstance().setActivityController(null);
|
|
}
|
|
if (!moveOK) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare to back transition: task=" + taskId);
|
|
|
|
final TaskRecord tr = taskForIdLocked(taskId);
|
|
if (tr == null) {
|
|
return false;
|
|
}
|
|
|
|
mTaskHistory.remove(tr);
|
|
mTaskHistory.add(0, tr);
|
|
|
|
// There is an assumption that moving a task to the back moves it behind the home activity.
|
|
// We make sure here that some activity in the stack will launch home.
|
|
ActivityRecord lastActivity = null;
|
|
int numTasks = mTaskHistory.size();
|
|
for (int taskNdx = numTasks - 1; taskNdx >= 1; --taskNdx) {
|
|
final TaskRecord task = mTaskHistory.get(taskNdx);
|
|
if (task.mOnTopOfHome) {
|
|
break;
|
|
}
|
|
if (taskNdx == 1) {
|
|
// Set the last task before tr to go to home.
|
|
task.mOnTopOfHome = true;
|
|
}
|
|
}
|
|
|
|
if (reason != null &&
|
|
(reason.intent.getFlags() & Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
|
|
mWindowManager.prepareAppTransition(AppTransition.TRANSIT_NONE, false);
|
|
ActivityRecord r = topRunningActivityLocked(null);
|
|
if (r != null) {
|
|
mNoAnimActivities.add(r);
|
|
}
|
|
} else {
|
|
mWindowManager.prepareAppTransition(AppTransition.TRANSIT_TASK_TO_BACK, false);
|
|
}
|
|
mWindowManager.moveTaskToBottom(taskId);
|
|
|
|
if (VALIDATE_TOKENS) {
|
|
validateAppTokensLocked();
|
|
}
|
|
|
|
final TaskRecord task = mResumedActivity != null ? mResumedActivity.task : null;
|
|
if (task == tr && task.mOnTopOfHome || numTasks <= 1) {
|
|
task.mOnTopOfHome = false;
|
|
return mStackSupervisor.resumeHomeActivity(null);
|
|
}
|
|
|
|
mStackSupervisor.resumeTopActivitiesLocked();
|
|
return true;
|
|
}
|
|
|
|
static final void logStartActivity(int tag, ActivityRecord r,
|
|
TaskRecord task) {
|
|
final Uri data = r.intent.getData();
|
|
final String strData = data != null ? data.toSafeString() : null;
|
|
|
|
EventLog.writeEvent(tag,
|
|
r.userId, System.identityHashCode(r), task.taskId,
|
|
r.shortComponentName, r.intent.getAction(),
|
|
r.intent.getType(), strData, r.intent.getFlags());
|
|
}
|
|
|
|
/**
|
|
* Make sure the given activity matches the current configuration. Returns
|
|
* false if the activity had to be destroyed. Returns true if the
|
|
* configuration is the same, or the activity will remain running as-is
|
|
* for whatever reason. Ensures the HistoryRecord is updated with the
|
|
* correct configuration and all other bookkeeping is handled.
|
|
*/
|
|
final boolean ensureActivityConfigurationLocked(ActivityRecord r,
|
|
int globalChanges) {
|
|
if (mConfigWillChange) {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Skipping config check (will change): " + r);
|
|
return true;
|
|
}
|
|
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Ensuring correct configuration: " + r);
|
|
|
|
// Short circuit: if the two configurations are the exact same
|
|
// object (the common case), then there is nothing to do.
|
|
Configuration newConfig = mService.mConfiguration;
|
|
if (r.configuration == newConfig && !r.forceNewConfig) {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Configuration unchanged in " + r);
|
|
return true;
|
|
}
|
|
|
|
// We don't worry about activities that are finishing.
|
|
if (r.finishing) {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Configuration doesn't matter in finishing " + r);
|
|
r.stopFreezingScreenLocked(false);
|
|
return true;
|
|
}
|
|
|
|
// Okay we now are going to make this activity have the new config.
|
|
// But then we need to figure out how it needs to deal with that.
|
|
Configuration oldConfig = r.configuration;
|
|
r.configuration = newConfig;
|
|
|
|
// Determine what has changed. May be nothing, if this is a config
|
|
// that has come back from the app after going idle. In that case
|
|
// we just want to leave the official config object now in the
|
|
// activity and do nothing else.
|
|
final int changes = oldConfig.diff(newConfig);
|
|
if (changes == 0 && !r.forceNewConfig) {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Configuration no differences in " + r);
|
|
return true;
|
|
}
|
|
|
|
// If the activity isn't currently running, just leave the new
|
|
// configuration and it will pick that up next time it starts.
|
|
if (r.app == null || r.app.thread == null) {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Configuration doesn't matter not running " + r);
|
|
r.stopFreezingScreenLocked(false);
|
|
r.forceNewConfig = false;
|
|
return true;
|
|
}
|
|
|
|
// Figure out how to handle the changes between the configurations.
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) {
|
|
Slog.v(TAG, "Checking to restart " + r.info.name + ": changed=0x"
|
|
+ Integer.toHexString(changes) + ", handles=0x"
|
|
+ Integer.toHexString(r.info.getRealConfigChanged())
|
|
+ ", newConfig=" + newConfig);
|
|
}
|
|
if ((changes&(~r.info.getRealConfigChanged())) != 0 || r.forceNewConfig) {
|
|
// Aha, the activity isn't handling the change, so DIE DIE DIE.
|
|
r.configChangeFlags |= changes;
|
|
r.startFreezingScreenLocked(r.app, globalChanges);
|
|
r.forceNewConfig = false;
|
|
if (r.app == null || r.app.thread == null) {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Config is destroying non-running " + r);
|
|
destroyActivityLocked(r, true, false, "config");
|
|
} else if (r.state == ActivityState.PAUSING) {
|
|
// A little annoying: we are waiting for this activity to
|
|
// finish pausing. Let's not do anything now, but just
|
|
// flag that it needs to be restarted when done pausing.
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Config is skipping already pausing " + r);
|
|
r.configDestroy = true;
|
|
return true;
|
|
} else if (r.state == ActivityState.RESUMED) {
|
|
// Try to optimize this case: the configuration is changing
|
|
// and we need to restart the top, resumed activity.
|
|
// Instead of doing the normal handshaking, just say
|
|
// "restart!".
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Config is relaunching resumed " + r);
|
|
relaunchActivityLocked(r, r.configChangeFlags, true);
|
|
r.configChangeFlags = 0;
|
|
} else {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Config is relaunching non-resumed " + r);
|
|
relaunchActivityLocked(r, r.configChangeFlags, false);
|
|
r.configChangeFlags = 0;
|
|
}
|
|
|
|
// All done... tell the caller we weren't able to keep this
|
|
// activity around.
|
|
return false;
|
|
}
|
|
|
|
// Default case: the activity can handle this new configuration, so
|
|
// hand it over. Note that we don't need to give it the new
|
|
// configuration, since we always send configuration changes to all
|
|
// process when they happen so it can just use whatever configuration
|
|
// it last got.
|
|
if (r.app != null && r.app.thread != null) {
|
|
try {
|
|
if (DEBUG_CONFIGURATION) Slog.v(TAG, "Sending new config to " + r);
|
|
r.app.thread.scheduleActivityConfigurationChanged(r.appToken);
|
|
} catch (RemoteException e) {
|
|
// If process died, whatever.
|
|
}
|
|
}
|
|
r.stopFreezingScreenLocked(false);
|
|
|
|
return true;
|
|
}
|
|
|
|
private boolean relaunchActivityLocked(ActivityRecord r,
|
|
int changes, boolean andResume) {
|
|
List<ResultInfo> results = null;
|
|
List<Intent> newIntents = null;
|
|
if (andResume) {
|
|
results = r.results;
|
|
newIntents = r.newIntents;
|
|
}
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Relaunching: " + r
|
|
+ " with results=" + results + " newIntents=" + newIntents
|
|
+ " andResume=" + andResume);
|
|
EventLog.writeEvent(andResume ? EventLogTags.AM_RELAUNCH_RESUME_ACTIVITY
|
|
: EventLogTags.AM_RELAUNCH_ACTIVITY, r.userId, System.identityHashCode(r),
|
|
r.task.taskId, r.shortComponentName);
|
|
|
|
r.startFreezingScreenLocked(r.app, 0);
|
|
|
|
try {
|
|
if (DEBUG_SWITCH || DEBUG_STATES) Slog.i(TAG,
|
|
(andResume ? "Relaunching to RESUMED " : "Relaunching to PAUSED ")
|
|
+ r);
|
|
r.forceNewConfig = false;
|
|
r.app.thread.scheduleRelaunchActivity(r.appToken, results, newIntents,
|
|
changes, !andResume, new Configuration(mService.mConfiguration));
|
|
// Note: don't need to call pauseIfSleepingLocked() here, because
|
|
// the caller will only pass in 'andResume' if this activity is
|
|
// currently resumed, which implies we aren't sleeping.
|
|
} catch (RemoteException e) {
|
|
if (DEBUG_SWITCH || DEBUG_STATES) Slog.i(TAG, "Relaunch failed", e);
|
|
}
|
|
|
|
if (andResume) {
|
|
r.results = null;
|
|
r.newIntents = null;
|
|
r.state = ActivityState.RESUMED;
|
|
} else {
|
|
mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r);
|
|
r.state = ActivityState.PAUSED;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
boolean willActivityBeVisibleLocked(IBinder token) {
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
if (r.appToken == token) {
|
|
return true;
|
|
}
|
|
if (r.fullscreen && !r.finishing) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void closeSystemDialogsLocked() {
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
if ((r.info.flags&ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS) != 0) {
|
|
finishActivityLocked(r, Activity.RESULT_CANCELED, null, "close-sys", true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
boolean forceStopPackageLocked(String name, boolean doit, boolean evenPersistent, int userId) {
|
|
boolean didSomething = false;
|
|
TaskRecord lastTask = null;
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
int numActivities = activities.size();
|
|
for (int activityNdx = 0; activityNdx < numActivities; ++activityNdx) {
|
|
ActivityRecord r = activities.get(activityNdx);
|
|
final boolean samePackage = r.packageName.equals(name)
|
|
|| (name == null && r.userId == userId);
|
|
if ((userId == UserHandle.USER_ALL || r.userId == userId)
|
|
&& (samePackage || r.task == lastTask)
|
|
&& (r.app == null || evenPersistent || !r.app.persistent)) {
|
|
if (!doit) {
|
|
if (r.finishing) {
|
|
// If this activity is just finishing, then it is not
|
|
// interesting as far as something to stop.
|
|
continue;
|
|
}
|
|
return true;
|
|
}
|
|
didSomething = true;
|
|
Slog.i(TAG, " Force finishing activity " + r);
|
|
if (samePackage) {
|
|
if (r.app != null) {
|
|
r.app.removed = true;
|
|
}
|
|
r.app = null;
|
|
}
|
|
lastTask = r.task;
|
|
if (finishActivityLocked(r, Activity.RESULT_CANCELED, null, "force-stop",
|
|
true)) {
|
|
// r has been deleted from mActivities, accommodate.
|
|
--numActivities;
|
|
--activityNdx;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return didSomething;
|
|
}
|
|
|
|
ActivityRecord getTasksLocked(int maxNum, IThumbnailReceiver receiver,
|
|
PendingThumbnailsRecord pending, List<RunningTaskInfo> list) {
|
|
ActivityRecord topRecord = null;
|
|
for (int taskNdx = mTaskHistory.size() - 1; maxNum > 0 && taskNdx >= 0;
|
|
--maxNum, --taskNdx) {
|
|
final TaskRecord task = mTaskHistory.get(taskNdx);
|
|
ActivityRecord r = null;
|
|
ActivityRecord top = null;
|
|
int numActivities = 0;
|
|
int numRunning = 0;
|
|
final ArrayList<ActivityRecord> activities = task.mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
r = activities.get(activityNdx);
|
|
|
|
// Initialize state for next task if needed.
|
|
if (top == null || (top.state == ActivityState.INITIALIZING)) {
|
|
top = r;
|
|
numActivities = numRunning = 0;
|
|
}
|
|
|
|
// Add 'r' into the current task.
|
|
numActivities++;
|
|
if (r.app != null && r.app.thread != null) {
|
|
numRunning++;
|
|
}
|
|
|
|
if (localLOGV) Slog.v(
|
|
TAG, r.intent.getComponent().flattenToShortString()
|
|
+ ": task=" + r.task);
|
|
}
|
|
|
|
RunningTaskInfo ci = new RunningTaskInfo();
|
|
ci.id = task.taskId;
|
|
ci.baseActivity = r.intent.getComponent();
|
|
ci.topActivity = top.intent.getComponent();
|
|
if (top.thumbHolder != null) {
|
|
ci.description = top.thumbHolder.lastDescription;
|
|
}
|
|
ci.numActivities = numActivities;
|
|
ci.numRunning = numRunning;
|
|
//System.out.println(
|
|
// "#" + maxNum + ": " + " descr=" + ci.description);
|
|
if (receiver != null) {
|
|
if (localLOGV) Slog.v(
|
|
TAG, "State=" + top.state + "Idle=" + top.idle
|
|
+ " app=" + top.app
|
|
+ " thr=" + (top.app != null ? top.app.thread : null));
|
|
if (top.state == ActivityState.RESUMED || top.state == ActivityState.PAUSING) {
|
|
if (top.idle && top.app != null && top.app.thread != null) {
|
|
topRecord = top;
|
|
} else {
|
|
top.thumbnailNeeded = true;
|
|
}
|
|
}
|
|
pending.pendingRecords.add(top);
|
|
}
|
|
list.add(ci);
|
|
}
|
|
return topRecord;
|
|
}
|
|
|
|
public void unhandledBackLocked() {
|
|
final int top = mTaskHistory.size() - 1;
|
|
if (DEBUG_SWITCH) Slog.d(
|
|
TAG, "Performing unhandledBack(): top activity at " + top);
|
|
if (top >= 0) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(top).mActivities;
|
|
int activityTop = activities.size() - 1;
|
|
if (activityTop > 0) {
|
|
finishActivityLocked(activities.get(activityTop), Activity.RESULT_CANCELED, null,
|
|
"unhandled-back", true);
|
|
}
|
|
}
|
|
}
|
|
|
|
void handleAppDiedLocked(ProcessRecord app, boolean restarting) {
|
|
if (!containsApp(app)) {
|
|
return;
|
|
}
|
|
// TODO: handle the case where an app spans multiple stacks.
|
|
if (mPausingActivity != null && mPausingActivity.app == app) {
|
|
if (DEBUG_PAUSE || DEBUG_CLEANUP) Slog.v(TAG,
|
|
"App died while pausing: " + mPausingActivity);
|
|
mPausingActivity = null;
|
|
}
|
|
if (mLastPausedActivity != null && mLastPausedActivity.app == app) {
|
|
mLastPausedActivity = null;
|
|
mLastNoHistoryActivity = null;
|
|
}
|
|
final ActivityRecord top = topRunningActivityLocked(null);
|
|
final boolean launchHomeTaskNext =
|
|
top != null && top.app == app && top.task.mOnTopOfHome;
|
|
|
|
// Remove this application's activities from active lists.
|
|
boolean hasVisibleActivities = removeHistoryRecordsForAppLocked(app);
|
|
|
|
if (!restarting) {
|
|
ActivityStack stack = mStackSupervisor.getFocusedStack();
|
|
if (stack == null || launchHomeTaskNext) {
|
|
mStackSupervisor.resumeHomeActivity(null);
|
|
} else if (!mStackSupervisor.resumeTopActivitiesLocked(stack, null, null)) {
|
|
// If there was nothing to resume, and we are not already
|
|
// restarting this process, but there is a visible activity that
|
|
// is hosted by the process... then make sure all visible
|
|
// activities are running, taking care of restarting this
|
|
// process.
|
|
if (hasVisibleActivities) {
|
|
mStackSupervisor.ensureActivitiesVisibleLocked(null, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void handleAppCrashLocked(ProcessRecord app) {
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
final ActivityRecord r = activities.get(activityNdx);
|
|
if (r.app == app) {
|
|
Slog.w(TAG, " Force finishing activity "
|
|
+ r.intent.getComponent().flattenToShortString());
|
|
finishActivityLocked(r, Activity.RESULT_CANCELED, null, "crashed", false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
boolean dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll,
|
|
boolean dumpClient, String dumpPackage, boolean needSep, String header) {
|
|
boolean printed = false;
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final TaskRecord task = mTaskHistory.get(taskNdx);
|
|
printed |= ActivityStackSupervisor.dumpHistoryList(fd, pw,
|
|
mTaskHistory.get(taskNdx).mActivities, " ", "Hist", true, !dumpAll,
|
|
dumpClient, dumpPackage, needSep, header,
|
|
" Task id #" + task.taskId);
|
|
if (printed) {
|
|
header = null;
|
|
}
|
|
}
|
|
return printed;
|
|
}
|
|
|
|
ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) {
|
|
ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>();
|
|
|
|
if ("all".equals(name)) {
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
activities.addAll(mTaskHistory.get(taskNdx).mActivities);
|
|
}
|
|
} else if ("top".equals(name)) {
|
|
final int top = mTaskHistory.size() - 1;
|
|
if (top >= 0) {
|
|
final ArrayList<ActivityRecord> list = mTaskHistory.get(top).mActivities;
|
|
int listTop = list.size() - 1;
|
|
if (listTop >= 0) {
|
|
activities.add(list.get(listTop));
|
|
}
|
|
}
|
|
} else {
|
|
ItemMatcher matcher = new ItemMatcher();
|
|
matcher.build(name);
|
|
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
for (ActivityRecord r1 : mTaskHistory.get(taskNdx).mActivities) {
|
|
if (matcher.match(r1, r1.intent.getComponent())) {
|
|
activities.add(r1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return activities;
|
|
}
|
|
|
|
ActivityRecord restartPackage(String packageName) {
|
|
ActivityRecord starting = topRunningActivityLocked(null);
|
|
|
|
// All activities that came from the package must be
|
|
// restarted as if there was a config change.
|
|
for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
|
|
final ArrayList<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
|
|
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
|
|
final ActivityRecord a = activities.get(activityNdx);
|
|
if (a.info.packageName.equals(packageName)) {
|
|
a.forceNewConfig = true;
|
|
if (starting != null && a == starting && a.visible) {
|
|
a.startFreezingScreenLocked(starting.app,
|
|
ActivityInfo.CONFIG_SCREEN_LAYOUT);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return starting;
|
|
}
|
|
|
|
boolean removeTask(TaskRecord task) {
|
|
final int taskNdx = mTaskHistory.indexOf(task);
|
|
final int topTaskNdx = mTaskHistory.size() - 1;
|
|
if (task.mOnTopOfHome && taskNdx < topTaskNdx) {
|
|
mTaskHistory.get(taskNdx + 1).mOnTopOfHome = true;
|
|
}
|
|
mTaskHistory.remove(task);
|
|
return mTaskHistory.isEmpty();
|
|
}
|
|
|
|
TaskRecord createTaskRecord(int taskId, ActivityInfo info, Intent intent, boolean toTop) {
|
|
TaskRecord task = new TaskRecord(taskId, info, intent);
|
|
addTask(task, toTop);
|
|
return task;
|
|
}
|
|
|
|
ArrayList<TaskRecord> getAllTasks() {
|
|
return new ArrayList<TaskRecord>(mTaskHistory);
|
|
}
|
|
|
|
void addTask(final TaskRecord task, final boolean toTop) {
|
|
task.stack = this;
|
|
if (toTop) {
|
|
insertTaskAtTop(task);
|
|
} else {
|
|
mTaskHistory.add(0, task);
|
|
}
|
|
}
|
|
|
|
public int getStackId() {
|
|
return mStackId;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "stackId=" + mStackId + " tasks=" + mTaskHistory;
|
|
}
|
|
}
|