3570 lines
153 KiB
Java
3570 lines
153 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 com.android.internal.app.HeavyWeightSwitcherActivity;
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import com.android.internal.os.BatteryStatsImpl;
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import com.android.server.am.ActivityManagerService.PendingActivityLaunch;
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import android.app.Activity;
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import android.app.AppGlobals;
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import android.app.IActivityManager;
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import static android.app.IActivityManager.START_CLASS_NOT_FOUND;
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import static android.app.IActivityManager.START_DELIVERED_TO_TOP;
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import static android.app.IActivityManager.START_FORWARD_AND_REQUEST_CONFLICT;
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import static android.app.IActivityManager.START_INTENT_NOT_RESOLVED;
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import static android.app.IActivityManager.START_PERMISSION_DENIED;
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import static android.app.IActivityManager.START_RETURN_INTENT_TO_CALLER;
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import static android.app.IActivityManager.START_SUCCESS;
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import static android.app.IActivityManager.START_SWITCHES_CANCELED;
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import static android.app.IActivityManager.START_TASK_TO_FRONT;
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import android.app.IApplicationThread;
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import android.app.PendingIntent;
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import android.app.ResultInfo;
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import android.app.IActivityManager.WaitResult;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.IIntentSender;
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import android.content.Intent;
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import android.content.IntentSender;
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import android.content.pm.ActivityInfo;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.content.res.Configuration;
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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.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.util.EventLog;
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import android.util.Log;
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import android.util.Slog;
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import android.view.WindowManagerPolicy;
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import com.android.internal.app.ActivityTrigger;
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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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public class ActivityStack {
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static final String TAG = ActivityManagerService.TAG;
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static final boolean localLOGV = ActivityManagerService.localLOGV;
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static final boolean DEBUG_SWITCH = ActivityManagerService.DEBUG_SWITCH;
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static final boolean DEBUG_PAUSE = ActivityManagerService.DEBUG_PAUSE;
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static final boolean DEBUG_VISBILITY = ActivityManagerService.DEBUG_VISBILITY;
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static final boolean DEBUG_USER_LEAVING = ActivityManagerService.DEBUG_USER_LEAVING;
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static final boolean DEBUG_TRANSITION = ActivityManagerService.DEBUG_TRANSITION;
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static final boolean DEBUG_RESULTS = ActivityManagerService.DEBUG_RESULTS;
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static final boolean DEBUG_CONFIGURATION = ActivityManagerService.DEBUG_CONFIGURATION;
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static final boolean DEBUG_TASKS = ActivityManagerService.DEBUG_TASKS;
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static final boolean VALIDATE_TOKENS = ActivityManagerService.VALIDATE_TOKENS;
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// How long we wait until giving up on the last activity telling us it
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// is idle.
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static final int IDLE_TIMEOUT = 10*1000;
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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 can hold the launch wake lock before giving up.
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static final int LAUNCH_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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// 30 minutes.
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static final long ACTIVITY_INACTIVE_RESET_TIME = 1000*60*30;
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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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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 boolean mMainStack;
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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 HistoryRecord objects.
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*/
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final ArrayList mHistory = new ArrayList();
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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 mLRUActivities = new ArrayList();
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/**
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* List of activities that are waiting for a new activity
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* to become visible before completing whatever operation they are
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* supposed to do.
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*/
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final ArrayList<ActivityRecord> mWaitingVisibleActivities
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= new ArrayList<ActivityRecord>();
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/**
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* List of activities that are ready to be stopped, but waiting
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* for the next activity to settle down before doing so. It contains
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* HistoryRecord objects.
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*/
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final ArrayList<ActivityRecord> mStoppingActivities
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= 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
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= new ArrayList<ActivityRecord>();
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/**
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* List of activities that are ready to be finished, but waiting
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* for the previous activity to settle down before doing so. It contains
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* HistoryRecord objects.
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*/
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final ArrayList<ActivityRecord> mFinishingActivities
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= new ArrayList<ActivityRecord>();
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/**
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* List of people waiting to find out about the next launched activity.
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*/
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final ArrayList<IActivityManager.WaitResult> mWaitingActivityLaunched
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= new ArrayList<IActivityManager.WaitResult>();
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/**
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* List of people waiting to find out about the next visible activity.
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*/
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final ArrayList<IActivityManager.WaitResult> mWaitingActivityVisible
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= new ArrayList<IActivityManager.WaitResult>();
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/**
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* Set when the system is going to sleep, until we have
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* successfully paused the current activity and released our wake lock.
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* At that point the system is allowed to actually sleep.
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*/
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final PowerManager.WakeLock mGoingToSleep;
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/**
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* We don't want to allow the device to go to sleep while in the process
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* of launching an activity. This is primarily to allow alarm intent
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* receivers to launch an activity and get that to run before the device
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* goes back to sleep.
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*/
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final PowerManager.WakeLock mLaunchingActivity;
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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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* 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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/**
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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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/**
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* Set to indicate whether to issue an onUserLeaving callback when a
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* newly launched activity is being brought in front of us.
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*/
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boolean mUserLeaving = false;
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long mInitialStartTime = 0;
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static final int PAUSE_TIMEOUT_MSG = 9;
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static final int IDLE_TIMEOUT_MSG = 10;
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static final int IDLE_NOW_MSG = 11;
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static final int LAUNCH_TIMEOUT_MSG = 16;
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static final int DESTROY_TIMEOUT_MSG = 17;
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static final int RESUME_TOP_ACTIVITY_MSG = 19;
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static final ActivityTrigger mActivityTrigger = new ActivityTrigger();
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final Handler mHandler = new 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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public void handleMessage(Message msg) {
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switch (msg.what) {
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case PAUSE_TIMEOUT_MSG: {
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IBinder token = (IBinder)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 " + token);
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activityPaused(token, null, true);
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} break;
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case IDLE_TIMEOUT_MSG: {
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if (mService.mDidDexOpt) {
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mService.mDidDexOpt = false;
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Message nmsg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG);
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nmsg.obj = msg.obj;
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mHandler.sendMessageDelayed(nmsg, IDLE_TIMEOUT);
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return;
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}
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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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IBinder token = (IBinder)msg.obj;
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Slog.w(TAG, "Activity idle timeout for " + token);
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activityIdleInternal(token, true, null);
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} break;
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case DESTROY_TIMEOUT_MSG: {
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IBinder token = (IBinder)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 " + token);
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activityDestroyed(token);
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} break;
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case IDLE_NOW_MSG: {
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IBinder token = (IBinder)msg.obj;
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activityIdleInternal(token, false, null);
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} break;
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case LAUNCH_TIMEOUT_MSG: {
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if (mService.mDidDexOpt) {
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mService.mDidDexOpt = false;
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Message nmsg = mHandler.obtainMessage(LAUNCH_TIMEOUT_MSG);
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mHandler.sendMessageDelayed(nmsg, LAUNCH_TIMEOUT);
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return;
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}
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synchronized (mService) {
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if (mLaunchingActivity.isHeld()) {
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Slog.w(TAG, "Launch timeout has expired, giving up wake lock!");
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mLaunchingActivity.release();
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}
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}
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} break;
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case RESUME_TOP_ACTIVITY_MSG: {
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synchronized (mService) {
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resumeTopActivityLocked(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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ActivityStack(ActivityManagerService service, Context context, boolean mainStack) {
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mService = service;
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mContext = context;
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mMainStack = mainStack;
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PowerManager pm =
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(PowerManager)context.getSystemService(Context.POWER_SERVICE);
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mGoingToSleep = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Sleep");
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mLaunchingActivity = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Launch");
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mLaunchingActivity.setReferenceCounted(false);
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}
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final ActivityRecord topRunningActivityLocked(ActivityRecord notTop) {
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int i = mHistory.size()-1;
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while (i >= 0) {
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ActivityRecord r = (ActivityRecord)mHistory.get(i);
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if (!r.finishing && r != notTop) {
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return r;
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}
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i--;
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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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int i = mHistory.size()-1;
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while (i >= 0) {
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ActivityRecord r = (ActivityRecord)mHistory.get(i);
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if (!r.finishing && !r.delayedResume && r != notTop) {
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return r;
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}
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i--;
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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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int i = mHistory.size()-1;
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while (i >= 0) {
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ActivityRecord r = (ActivityRecord)mHistory.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) && (taskId != r.task.taskId)) {
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return r;
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}
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i--;
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}
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return null;
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}
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final int indexOfTokenLocked(IBinder token) {
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int count = mHistory.size();
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// convert the token to an entry in the history.
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int index = -1;
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for (int i=count-1; i>=0; i--) {
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Object o = mHistory.get(i);
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if (o == token) {
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index = i;
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break;
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}
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}
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return index;
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}
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private 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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/**
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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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private ActivityRecord findTaskLocked(Intent intent, ActivityInfo 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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TaskRecord cp = null;
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final int N = mHistory.size();
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for (int i=(N-1); i>=0; i--) {
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ActivityRecord r = (ActivityRecord)mHistory.get(i);
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if (!r.finishing && r.task != cp
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&& r.launchMode != ActivityInfo.LAUNCH_SINGLE_INSTANCE) {
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cp = r.task;
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//Slog.i(TAG, "Comparing existing cls=" + r.task.intent.getComponent().flattenToShortString()
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// + "/aff=" + r.task.affinity + " to new cls="
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// + intent.getComponent().flattenToShortString() + "/aff=" + taskAffinity);
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if (r.task.affinity != null) {
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if (r.task.affinity.equals(info.taskAffinity)) {
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//Slog.i(TAG, "Found matching affinity!");
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return r;
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}
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} else if (r.task.intent != null
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&& r.task.intent.getComponent().equals(cls)) {
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//Slog.i(TAG, "Found matching class!");
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//dump();
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//Slog.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent);
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return r;
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} else if (r.task.affinityIntent != null
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&& r.task.affinityIntent.getComponent().equals(cls)) {
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//Slog.i(TAG, "Found matching class!");
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//dump();
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//Slog.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent);
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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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* Returns the first activity (starting from the top of the stack) that
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* is the same as the given activity. Returns null if no such activity
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* is found.
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*/
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private ActivityRecord findActivityLocked(Intent intent, ActivityInfo 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 N = mHistory.size();
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for (int i=(N-1); i>=0; i--) {
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ActivityRecord r = (ActivityRecord)mHistory.get(i);
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if (!r.finishing) {
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if (r.intent.getComponent().equals(cls)) {
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//Slog.i(TAG, "Found matching class!");
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//dump();
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//Slog.i(TAG, "For Intent " + intent + " bringing to top: " + r.intent);
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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 boolean realStartActivityLocked(ActivityRecord r,
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ProcessRecord app, boolean andResume, boolean checkConfig)
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throws RemoteException {
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r.startFreezingScreenLocked(app, 0);
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mService.mWindowManager.setAppVisibility(r, true);
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// Have the window manager re-evaluate the orientation of
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// the screen based on the new activity order. Note that
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// as a result of this, it can call back into the activity
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// manager with a new orientation. We don't care about that,
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// because the activity is not currently running so we are
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// just restarting it anyway.
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if (checkConfig) {
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Configuration config = mService.mWindowManager.updateOrientationFromAppTokens(
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mService.mConfiguration,
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r.mayFreezeScreenLocked(app) ? r : null);
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mService.updateConfigurationLocked(config, r);
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}
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r.app = app;
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if (localLOGV) Slog.v(TAG, "Launching: " + r);
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int idx = app.activities.indexOf(r);
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if (idx < 0) {
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app.activities.add(r);
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}
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mService.updateLruProcessLocked(app, true, true);
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try {
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if (app.thread == null) {
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throw new RemoteException();
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}
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List<ResultInfo> results = null;
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List<Intent> newIntents = null;
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if (andResume) {
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results = r.results;
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newIntents = r.newIntents;
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}
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if (DEBUG_SWITCH) Slog.v(TAG, "Launching: " + r
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+ " icicle=" + r.icicle
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+ " with results=" + results + " newIntents=" + newIntents
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+ " andResume=" + andResume);
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if (andResume) {
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|
EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY,
|
|
System.identityHashCode(r),
|
|
r.task.taskId, r.shortComponentName);
|
|
}
|
|
if (r.isHomeActivity) {
|
|
mService.mHomeProcess = app;
|
|
}
|
|
mService.ensurePackageDexOpt(r.intent.getComponent().getPackageName());
|
|
app.thread.scheduleLaunchActivity(new Intent(r.intent), r,
|
|
System.identityHashCode(r),
|
|
r.info, r.icicle, results, newIntents, !andResume,
|
|
mService.isNextTransitionForward());
|
|
|
|
if ((app.info.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) {
|
|
// This may be a heavy-weight process! Note that the package
|
|
// manager will ensure that only activity can run in the main
|
|
// process of the .apk, which is the only thing that will be
|
|
// considered heavy-weight.
|
|
if (app.processName.equals(app.info.packageName)) {
|
|
if (mService.mHeavyWeightProcess != null
|
|
&& mService.mHeavyWeightProcess != app) {
|
|
Log.w(TAG, "Starting new heavy weight process " + app
|
|
+ " when already running "
|
|
+ mService.mHeavyWeightProcess);
|
|
}
|
|
mService.mHeavyWeightProcess = app;
|
|
Message msg = mService.mHandler.obtainMessage(
|
|
ActivityManagerService.POST_HEAVY_NOTIFICATION_MSG);
|
|
msg.obj = r;
|
|
mService.mHandler.sendMessage(msg);
|
|
}
|
|
}
|
|
|
|
} catch (RemoteException e) {
|
|
if (r.launchFailed) {
|
|
// This is the second time we failed -- finish activity
|
|
// and give up.
|
|
Slog.e(TAG, "Second failure launching "
|
|
+ r.intent.getComponent().flattenToShortString()
|
|
+ ", giving up", e);
|
|
mService.appDiedLocked(app, app.pid, app.thread);
|
|
requestFinishActivityLocked(r, Activity.RESULT_CANCELED, null,
|
|
"2nd-crash");
|
|
return false;
|
|
}
|
|
|
|
// This is the first time we failed -- restart process and
|
|
// retry.
|
|
app.activities.remove(r);
|
|
throw e;
|
|
}
|
|
|
|
r.launchFailed = false;
|
|
if (updateLRUListLocked(r)) {
|
|
Slog.w(TAG, "Activity " + r
|
|
+ " being launched, but already in LRU list");
|
|
}
|
|
|
|
if (andResume) {
|
|
// As part of the process of launching, ActivityThread also performs
|
|
// a resume.
|
|
r.state = ActivityState.RESUMED;
|
|
r.icicle = null;
|
|
r.haveState = false;
|
|
r.stopped = false;
|
|
mResumedActivity = r;
|
|
r.task.touchActiveTime();
|
|
completeResumeLocked(r);
|
|
pauseIfSleepingLocked();
|
|
} else {
|
|
// This activity is not starting in the resumed state... which
|
|
// should look like we asked it to pause+stop (but remain visible),
|
|
// and it has done so and reported back the current icicle and
|
|
// other state.
|
|
r.state = ActivityState.STOPPED;
|
|
r.stopped = true;
|
|
}
|
|
|
|
// Launch the new version setup screen if needed. We do this -after-
|
|
// launching the initial activity (that is, home), so that it can have
|
|
// a chance to initialize itself while in the background, making the
|
|
// switch back to it faster and look better.
|
|
if (mMainStack) {
|
|
mService.startSetupActivityLocked();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private final void startSpecificActivityLocked(ActivityRecord r,
|
|
boolean andResume, boolean checkConfig) {
|
|
// Is this activity's application already running?
|
|
ProcessRecord app = mService.getProcessRecordLocked(r.processName,
|
|
r.info.applicationInfo.uid);
|
|
|
|
if (r.launchTime == 0) {
|
|
r.launchTime = SystemClock.uptimeMillis();
|
|
if (mInitialStartTime == 0) {
|
|
mInitialStartTime = r.launchTime;
|
|
}
|
|
} else if (mInitialStartTime == 0) {
|
|
mInitialStartTime = SystemClock.uptimeMillis();
|
|
}
|
|
|
|
if (app != null && app.thread != null) {
|
|
try {
|
|
realStartActivityLocked(r, app, andResume, checkConfig);
|
|
return;
|
|
} catch (RemoteException e) {
|
|
Slog.w(TAG, "Exception when starting activity "
|
|
+ r.intent.getComponent().flattenToShortString(), e);
|
|
}
|
|
|
|
// If a dead object exception was thrown -- fall through to
|
|
// restart the application.
|
|
}
|
|
|
|
mService.startProcessLocked(r.processName, r.info.applicationInfo, true, 0,
|
|
"activity", r.intent.getComponent(), false);
|
|
}
|
|
|
|
void pauseIfSleepingLocked() {
|
|
if (mService.mSleeping || mService.mShuttingDown) {
|
|
if (!mGoingToSleep.isHeld()) {
|
|
mGoingToSleep.acquire();
|
|
if (mLaunchingActivity.isHeld()) {
|
|
mLaunchingActivity.release();
|
|
mService.mHandler.removeMessages(LAUNCH_TIMEOUT_MSG);
|
|
}
|
|
}
|
|
|
|
// If we are not currently pausing an activity, get the current
|
|
// one to pause. If we are pausing one, we will just let that stuff
|
|
// run and release the wake lock when all done.
|
|
if (mPausingActivity == null) {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Sleep needs to pause...");
|
|
if (DEBUG_USER_LEAVING) Slog.v(TAG, "Sleep => pause with userLeaving=false");
|
|
startPausingLocked(false, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
private final void startPausingLocked(boolean userLeaving, boolean uiSleeping) {
|
|
if (mPausingActivity != null) {
|
|
RuntimeException e = new RuntimeException();
|
|
Slog.e(TAG, "Trying to pause when pause is already pending for "
|
|
+ mPausingActivity, e);
|
|
}
|
|
ActivityRecord prev = mResumedActivity;
|
|
if (prev == null) {
|
|
RuntimeException e = new RuntimeException();
|
|
Slog.e(TAG, "Trying to pause when nothing is resumed", e);
|
|
resumeTopActivityLocked(null);
|
|
return;
|
|
}
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Start pausing: " + prev);
|
|
mResumedActivity = null;
|
|
mPausingActivity = prev;
|
|
mLastPausedActivity = prev;
|
|
prev.state = ActivityState.PAUSING;
|
|
prev.task.touchActiveTime();
|
|
|
|
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,
|
|
System.identityHashCode(prev),
|
|
prev.shortComponentName);
|
|
prev.app.thread.schedulePauseActivity(prev, prev.finishing, userLeaving,
|
|
prev.configChangeFlags);
|
|
if (mMainStack) {
|
|
mService.updateUsageStats(prev, false);
|
|
}
|
|
} catch (Exception e) {
|
|
// Ignore exception, if process died other code will cleanup.
|
|
Slog.w(TAG, "Exception thrown during pause", e);
|
|
mPausingActivity = null;
|
|
mLastPausedActivity = null;
|
|
}
|
|
} else {
|
|
mPausingActivity = null;
|
|
mLastPausedActivity = null;
|
|
}
|
|
|
|
// If we are not going to sleep, we want to ensure the device is
|
|
// awake until the next activity is started.
|
|
if (!mService.mSleeping && !mService.mShuttingDown) {
|
|
mLaunchingActivity.acquire();
|
|
if (!mHandler.hasMessages(LAUNCH_TIMEOUT_MSG)) {
|
|
// To be safe, don't allow the wake lock to be held for too long.
|
|
Message msg = mHandler.obtainMessage(LAUNCH_TIMEOUT_MSG);
|
|
mHandler.sendMessageDelayed(msg, LAUNCH_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
|
|
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;
|
|
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.");
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
}
|
|
|
|
final void activityPaused(IBinder token, Bundle icicle, boolean timeout) {
|
|
if (DEBUG_PAUSE) Slog.v(
|
|
TAG, "Activity paused: token=" + token + ", icicle=" + icicle
|
|
+ ", timeout=" + timeout);
|
|
|
|
ActivityRecord r = null;
|
|
|
|
synchronized (mService) {
|
|
int index = indexOfTokenLocked(token);
|
|
if (index >= 0) {
|
|
r = (ActivityRecord)mHistory.get(index);
|
|
if (!timeout) {
|
|
r.icicle = icicle;
|
|
r.haveState = true;
|
|
}
|
|
mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r);
|
|
if (mPausingActivity == r) {
|
|
r.state = ActivityState.PAUSED;
|
|
completePauseLocked();
|
|
} else {
|
|
EventLog.writeEvent(EventLogTags.AM_FAILED_TO_PAUSE,
|
|
System.identityHashCode(r), r.shortComponentName,
|
|
mPausingActivity != null
|
|
? mPausingActivity.shortComponentName : "(none)");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private final 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);
|
|
} else if (prev.app != null) {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Enqueueing pending stop: " + prev);
|
|
if (prev.waitingVisible) {
|
|
prev.waitingVisible = false;
|
|
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);
|
|
} else {
|
|
mStoppingActivities.add(prev);
|
|
if (mStoppingActivities.size() > 3) {
|
|
// If we already have a few activities waiting to stop,
|
|
// then give up on things going idle and start clearing
|
|
// them out.
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "To many pending stops, forcing idle");
|
|
Message msg = Message.obtain();
|
|
msg.what = IDLE_NOW_MSG;
|
|
mHandler.sendMessage(msg);
|
|
}
|
|
}
|
|
} else {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "App died during pause, not stopping: " + prev);
|
|
prev = null;
|
|
}
|
|
mPausingActivity = null;
|
|
}
|
|
|
|
if (!mService.mSleeping && !mService.mShuttingDown) {
|
|
resumeTopActivityLocked(prev);
|
|
} else {
|
|
if (mGoingToSleep.isHeld()) {
|
|
mGoingToSleep.release();
|
|
}
|
|
if (mService.mShuttingDown) {
|
|
mService.notifyAll();
|
|
}
|
|
}
|
|
|
|
if (prev != null) {
|
|
prev.resumeKeyDispatchingLocked();
|
|
}
|
|
|
|
if (prev.app != null && prev.cpuTimeAtResume > 0
|
|
&& mService.mBatteryStatsService.isOnBattery()) {
|
|
long diff = 0;
|
|
synchronized (mService.mProcessStatsThread) {
|
|
diff = mService.mProcessStats.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 final 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.
|
|
Message msg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG);
|
|
msg.obj = next;
|
|
mHandler.sendMessageDelayed(msg, IDLE_TIMEOUT);
|
|
|
|
if (false) {
|
|
// The activity was never told to pause, so just keep
|
|
// things going as-is. To maintain our own state,
|
|
// we need to emulate it coming back and saying it is
|
|
// idle.
|
|
msg = mHandler.obtainMessage(IDLE_NOW_MSG);
|
|
msg.obj = next;
|
|
mHandler.sendMessage(msg);
|
|
}
|
|
|
|
if (mMainStack) {
|
|
mService.reportResumedActivityLocked(next);
|
|
}
|
|
|
|
next.thumbnail = null;
|
|
if (mMainStack) {
|
|
mService.setFocusedActivityLocked(next);
|
|
}
|
|
next.resumeKeyDispatchingLocked();
|
|
ensureActivitiesVisibleLocked(null, 0);
|
|
mService.mWindowManager.executeAppTransition();
|
|
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.mProcessStatsThread) {
|
|
next.cpuTimeAtResume = mService.mProcessStats.getCpuTimeForPid(next.app.pid);
|
|
}
|
|
} else {
|
|
next.cpuTimeAtResume = 0; // Couldn't get the cpu time of process
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Make sure that all activities that need to be visible (that is, they
|
|
* currently can be seen by the user) actually are.
|
|
*/
|
|
final void ensureActivitiesVisibleLocked(ActivityRecord top,
|
|
ActivityRecord starting, String onlyThisProcess, int configChanges) {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "ensureActivitiesVisible behind " + top
|
|
+ " configChanges=0x" + Integer.toHexString(configChanges));
|
|
|
|
// If the top activity is not fullscreen, then we need to
|
|
// make sure any activities under it are now visible.
|
|
final int count = mHistory.size();
|
|
int i = count-1;
|
|
while (mHistory.get(i) != top) {
|
|
i--;
|
|
}
|
|
ActivityRecord r;
|
|
boolean behindFullscreen = false;
|
|
for (; i>=0; i--) {
|
|
r = (ActivityRecord)mHistory.get(i);
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Make visible? " + r + " finishing=" + r.finishing
|
|
+ " state=" + r.state);
|
|
if (r.finishing) {
|
|
continue;
|
|
}
|
|
|
|
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);
|
|
mService.mWindowManager.setAppVisibility(r, true);
|
|
}
|
|
if (r != starting) {
|
|
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 {
|
|
mService.mWindowManager.setAppVisibility(r, true);
|
|
r.app.thread.scheduleWindowVisibility(r, 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, "Stopping: fullscreen at " + r);
|
|
behindFullscreen = true;
|
|
i--;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Now for any activities that aren't visible to the user, make
|
|
// sure they no longer are keeping the screen frozen.
|
|
while (i >= 0) {
|
|
r = (ActivityRecord)mHistory.get(i);
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Make invisible? " + r + " finishing=" + r.finishing
|
|
+ " state=" + r.state
|
|
+ " behindFullscreen=" + behindFullscreen);
|
|
if (!r.finishing) {
|
|
if (behindFullscreen) {
|
|
if (r.visible) {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Making invisible: " + r);
|
|
r.visible = false;
|
|
try {
|
|
mService.mWindowManager.setAppVisibility(r, false);
|
|
if ((r.state == ActivityState.STOPPING
|
|
|| r.state == ActivityState.STOPPED)
|
|
&& r.app != null && r.app.thread != null) {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Scheduling invisibility: " + r);
|
|
r.app.thread.scheduleWindowVisibility(r, false);
|
|
}
|
|
} 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);
|
|
}
|
|
} else if (r.fullscreen) {
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Now behindFullscreen: " + r);
|
|
behindFullscreen = true;
|
|
}
|
|
}
|
|
i--;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Version of ensureActivitiesVisible that can easily be called anywhere.
|
|
*/
|
|
final void ensureActivitiesVisibleLocked(ActivityRecord starting,
|
|
int configChanges) {
|
|
ActivityRecord r = topRunningActivityLocked(null);
|
|
if (r != null) {
|
|
ensureActivitiesVisibleLocked(r, starting, null, configChanges);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
// 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 = mUserLeaving;
|
|
mUserLeaving = false;
|
|
|
|
if (next == null) {
|
|
// There are no more activities! Let's just start up the
|
|
// Launcher...
|
|
if (mMainStack) {
|
|
return mService.startHomeActivityLocked();
|
|
}
|
|
}
|
|
|
|
next.delayedResume = false;
|
|
|
|
// If the top activity is the resumed one, nothing to do.
|
|
if (mResumedActivity == next && next.state == ActivityState.RESUMED) {
|
|
// Make sure we have executed any pending transitions, since there
|
|
// should be nothing left to do at this point.
|
|
mService.mWindowManager.executeAppTransition();
|
|
mNoAnimActivities.clear();
|
|
return false;
|
|
}
|
|
|
|
// 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.mSleeping || mService.mShuttingDown)
|
|
&& mLastPausedActivity == next && next.state == ActivityState.PAUSED) {
|
|
// Make sure we have executed any pending transitions, since there
|
|
// should be nothing left to do at this point.
|
|
mService.mWindowManager.executeAppTransition();
|
|
mNoAnimActivities.clear();
|
|
return false;
|
|
}
|
|
|
|
// The activity may be waiting for stop, but that is no longer
|
|
// appropriate for it.
|
|
mStoppingActivities.remove(next);
|
|
mWaitingVisibleActivities.remove(next);
|
|
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Resuming " + next);
|
|
|
|
mActivityTrigger.activityResumeTrigger(next.intent);
|
|
|
|
// If we are currently pausing an activity, then don't do anything
|
|
// until that is done.
|
|
if (mPausingActivity != null) {
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Skip resume: pausing=" + mPausingActivity);
|
|
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...
|
|
if (mResumedActivity != null) {
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Skip resume: need to start pausing");
|
|
startPausingLocked(userLeaving, false);
|
|
return true;
|
|
}
|
|
|
|
if (prev != null && prev != next) {
|
|
if (!prev.waitingVisible && next != null && !next.nowVisible) {
|
|
prev.waitingVisible = true;
|
|
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) {
|
|
mService.mWindowManager.setAppVisibility(prev, 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);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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.
|
|
if (prev != null) {
|
|
if (prev.finishing) {
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare close transition: prev=" + prev);
|
|
if (mNoAnimActivities.contains(prev)) {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
|
|
} else {
|
|
mService.mWindowManager.prepareAppTransition(prev.task == next.task
|
|
? WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE
|
|
: WindowManagerPolicy.TRANSIT_TASK_CLOSE);
|
|
}
|
|
mService.mWindowManager.setAppWillBeHidden(prev);
|
|
mService.mWindowManager.setAppVisibility(prev, false);
|
|
} else {
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare open transition: prev=" + prev);
|
|
if (mNoAnimActivities.contains(next)) {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
|
|
} else {
|
|
mService.mWindowManager.prepareAppTransition(prev.task == next.task
|
|
? WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN
|
|
: WindowManagerPolicy.TRANSIT_TASK_OPEN);
|
|
}
|
|
}
|
|
if (false) {
|
|
mService.mWindowManager.setAppWillBeHidden(prev);
|
|
mService.mWindowManager.setAppVisibility(prev, false);
|
|
}
|
|
} else if (mHistory.size() > 1) {
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare open transition: no previous");
|
|
if (mNoAnimActivities.contains(next)) {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
|
|
} else {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN);
|
|
}
|
|
}
|
|
|
|
if (next.app != null && next.app.thread != null) {
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Resume running: " + next);
|
|
|
|
// This activity is now becoming visible.
|
|
mService.mWindowManager.setAppVisibility(next, true);
|
|
|
|
ActivityRecord lastResumedActivity = mResumedActivity;
|
|
ActivityState lastState = next.state;
|
|
|
|
mService.updateCpuStats();
|
|
|
|
next.state = ActivityState.RESUMED;
|
|
mResumedActivity = next;
|
|
next.task.touchActiveTime();
|
|
mService.updateLruProcessLocked(next.app, true, true);
|
|
updateLRUListLocked(next);
|
|
|
|
// Have the window manager re-evaluate the orientation of
|
|
// the screen based on the new activity order.
|
|
boolean updated = false;
|
|
if (mMainStack) {
|
|
synchronized (mService) {
|
|
Configuration config = mService.mWindowManager.updateOrientationFromAppTokens(
|
|
mService.mConfiguration,
|
|
next.mayFreezeScreenLocked(next.app) ? next : null);
|
|
if (config != null) {
|
|
next.frozenBeforeDestroy = true;
|
|
}
|
|
updated = mService.updateConfigurationLocked(config, next);
|
|
}
|
|
}
|
|
if (!updated) {
|
|
// 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) Slog.i(TAG,
|
|
"Activity config changed during resume: " + next
|
|
+ ", new next: " + nextNext);
|
|
if (nextNext != next) {
|
|
// Do over!
|
|
mHandler.sendEmptyMessage(RESUME_TOP_ACTIVITY_MSG);
|
|
}
|
|
if (mMainStack) {
|
|
mService.setFocusedActivityLocked(next);
|
|
}
|
|
ensureActivitiesVisibleLocked(null, 0);
|
|
mService.mWindowManager.executeAppTransition();
|
|
mNoAnimActivities.clear();
|
|
return true;
|
|
}
|
|
|
|
try {
|
|
// Deliver all pending results.
|
|
ArrayList 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, a);
|
|
}
|
|
}
|
|
|
|
if (next.newIntents != null) {
|
|
next.app.thread.scheduleNewIntent(next.newIntents, next);
|
|
}
|
|
|
|
EventLog.writeEvent(EventLogTags.AM_RESUME_ACTIVITY,
|
|
System.identityHashCode(next),
|
|
next.task.taskId, next.shortComponentName);
|
|
|
|
next.app.thread.scheduleResumeActivity(next,
|
|
mService.isNextTransitionForward());
|
|
|
|
pauseIfSleepingLocked();
|
|
|
|
} catch (Exception e) {
|
|
// Whoops, need to restart this activity!
|
|
next.state = lastState;
|
|
mResumedActivity = lastResumedActivity;
|
|
Slog.i(TAG, "Restarting because process died: " + next);
|
|
if (!next.hasBeenLaunched) {
|
|
next.hasBeenLaunched = true;
|
|
} else {
|
|
if (SHOW_APP_STARTING_PREVIEW && mMainStack) {
|
|
mService.mWindowManager.setAppStartingWindow(
|
|
next, next.packageName, next.theme,
|
|
next.nonLocalizedLabel,
|
|
next.labelRes, next.icon, null, true);
|
|
}
|
|
}
|
|
startSpecificActivityLocked(next, true, false);
|
|
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, Activity.RESULT_CANCELED, null,
|
|
"resume-exception");
|
|
return true;
|
|
}
|
|
|
|
// Didn't need to use the icicle, and it is now out of date.
|
|
next.icicle = null;
|
|
next.haveState = false;
|
|
next.stopped = false;
|
|
|
|
} else {
|
|
// Whoops, need to restart this activity!
|
|
if (!next.hasBeenLaunched) {
|
|
next.hasBeenLaunched = true;
|
|
} else {
|
|
if (SHOW_APP_STARTING_PREVIEW) {
|
|
mService.mWindowManager.setAppStartingWindow(
|
|
next, next.packageName, next.theme,
|
|
next.nonLocalizedLabel,
|
|
next.labelRes, next.icon, null, true);
|
|
}
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "Restarting: " + next);
|
|
}
|
|
startSpecificActivityLocked(next, true, true);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private final void startActivityLocked(ActivityRecord r, boolean newTask,
|
|
boolean doResume) {
|
|
final int NH = mHistory.size();
|
|
|
|
int addPos = -1;
|
|
|
|
if (!newTask) {
|
|
// If starting in an existing task, find where that is...
|
|
boolean startIt = true;
|
|
for (int i = NH-1; i >= 0; i--) {
|
|
ActivityRecord p = (ActivityRecord)mHistory.get(i);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
if (p.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.
|
|
addPos = i+1;
|
|
if (!startIt) {
|
|
mHistory.add(addPos, r);
|
|
r.inHistory = true;
|
|
r.task.numActivities++;
|
|
mService.mWindowManager.addAppToken(addPos, r, r.task.taskId,
|
|
r.info.screenOrientation, r.fullscreen);
|
|
if (VALIDATE_TOKENS) {
|
|
mService.mWindowManager.validateAppTokens(mHistory);
|
|
}
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
if (p.fullscreen) {
|
|
startIt = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Place a new activity at top of stack, so it is next to interact
|
|
// with the user.
|
|
if (addPos < 0) {
|
|
addPos = NH;
|
|
}
|
|
|
|
// If we are not placing the new activity frontmost, we do not want
|
|
// to deliver the onUserLeaving callback to the actual frontmost
|
|
// activity
|
|
if (addPos < NH) {
|
|
mUserLeaving = false;
|
|
if (DEBUG_USER_LEAVING) Slog.v(TAG, "startActivity() behind front, mUserLeaving=false");
|
|
}
|
|
|
|
// Slot the activity into the history stack and proceed
|
|
mHistory.add(addPos, r);
|
|
r.inHistory = true;
|
|
r.frontOfTask = newTask;
|
|
r.task.numActivities++;
|
|
if (NH > 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) {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
|
|
mNoAnimActivities.add(r);
|
|
} else if ((r.intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) {
|
|
mService.mWindowManager.prepareAppTransition(
|
|
WindowManagerPolicy.TRANSIT_TASK_OPEN);
|
|
mNoAnimActivities.remove(r);
|
|
} else {
|
|
mService.mWindowManager.prepareAppTransition(newTask
|
|
? WindowManagerPolicy.TRANSIT_TASK_OPEN
|
|
: WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN);
|
|
mNoAnimActivities.remove(r);
|
|
}
|
|
mService.mWindowManager.addAppToken(
|
|
addPos, r, r.task.taskId, r.info.screenOrientation, r.fullscreen);
|
|
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;
|
|
}
|
|
mService.mWindowManager.setAppStartingWindow(
|
|
r, r.packageName, r.theme, r.nonLocalizedLabel,
|
|
r.labelRes, r.icon, prev, 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.
|
|
mService.mWindowManager.addAppToken(addPos, r, r.task.taskId,
|
|
r.info.screenOrientation, r.fullscreen);
|
|
}
|
|
if (VALIDATE_TOKENS) {
|
|
mService.mWindowManager.validateAppTokens(mHistory);
|
|
}
|
|
|
|
if (doResume) {
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform a reset of the given task, if needed as part of launching it.
|
|
* Returns the new HistoryRecord at the top of the task.
|
|
*/
|
|
private final ActivityRecord resetTaskIfNeededLocked(ActivityRecord taskTop,
|
|
ActivityRecord newActivity) {
|
|
boolean forceReset = (newActivity.info.flags
|
|
&ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0;
|
|
if (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;
|
|
|
|
// We are going to move through the history list so that we can look
|
|
// at each activity 'target' with 'below' either the interesting
|
|
// activity immediately below it in the stack or null.
|
|
ActivityRecord target = null;
|
|
int targetI = 0;
|
|
int taskTopI = -1;
|
|
int replyChainEnd = -1;
|
|
int lastReparentPos = -1;
|
|
for (int i=mHistory.size()-1; i>=-1; i--) {
|
|
ActivityRecord below = i >= 0 ? (ActivityRecord)mHistory.get(i) : null;
|
|
|
|
if (below != null && below.finishing) {
|
|
continue;
|
|
}
|
|
if (target == null) {
|
|
target = below;
|
|
targetI = i;
|
|
// If we were in the middle of a reply chain before this
|
|
// task, it doesn't appear like the root of the chain wants
|
|
// anything interesting, so drop it.
|
|
replyChainEnd = -1;
|
|
continue;
|
|
}
|
|
|
|
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;
|
|
|
|
if (target.task == task) {
|
|
// 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. 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!).
|
|
if (taskTopI < 0) {
|
|
taskTopI = targetI;
|
|
}
|
|
if (below != null && below.task == task) {
|
|
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 = targetI;
|
|
}
|
|
} 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.
|
|
ActivityRecord p = (ActivityRecord)mHistory.get(0);
|
|
if (target.taskAffinity != null
|
|
&& target.taskAffinity.equals(p.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.task = p.task;
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Start pushing activity " + target
|
|
+ " out to bottom task " + p.task);
|
|
} else {
|
|
mService.mCurTask++;
|
|
if (mService.mCurTask <= 0) {
|
|
mService.mCurTask = 1;
|
|
}
|
|
target.task = new TaskRecord(mService.mCurTask, target.info, null,
|
|
(target.info.flags&ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0);
|
|
target.task.affinityIntent = target.intent;
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Start pushing activity " + target
|
|
+ " out to new task " + target.task);
|
|
}
|
|
mService.mWindowManager.setAppGroupId(target, task.taskId);
|
|
if (replyChainEnd < 0) {
|
|
replyChainEnd = targetI;
|
|
}
|
|
int dstPos = 0;
|
|
for (int srcPos=targetI; srcPos<=replyChainEnd; srcPos++) {
|
|
p = (ActivityRecord)mHistory.get(srcPos);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Pushing next activity " + p
|
|
+ " out to target's task " + target.task);
|
|
task.numActivities--;
|
|
p.task = target.task;
|
|
target.task.numActivities++;
|
|
mHistory.remove(srcPos);
|
|
mHistory.add(dstPos, p);
|
|
mService.mWindowManager.moveAppToken(dstPos, p);
|
|
mService.mWindowManager.setAppGroupId(p, p.task.taskId);
|
|
dstPos++;
|
|
if (VALIDATE_TOKENS) {
|
|
mService.mWindowManager.validateAppTokens(mHistory);
|
|
}
|
|
i++;
|
|
}
|
|
if (taskTop == p) {
|
|
taskTop = below;
|
|
}
|
|
if (taskTopI == replyChainEnd) {
|
|
taskTopI = -1;
|
|
}
|
|
replyChainEnd = -1;
|
|
if (mMainStack) {
|
|
mService.addRecentTaskLocked(target.task);
|
|
}
|
|
} 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.
|
|
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.
|
|
replyChainEnd = targetI+1;
|
|
while (replyChainEnd < mHistory.size() &&
|
|
((ActivityRecord)mHistory.get(
|
|
replyChainEnd)).task == task) {
|
|
replyChainEnd++;
|
|
}
|
|
replyChainEnd--;
|
|
} else if (replyChainEnd < 0) {
|
|
replyChainEnd = targetI;
|
|
}
|
|
ActivityRecord p = null;
|
|
for (int srcPos=targetI; srcPos<=replyChainEnd; srcPos++) {
|
|
p = (ActivityRecord)mHistory.get(srcPos);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
if (finishActivityLocked(p, srcPos,
|
|
Activity.RESULT_CANCELED, null, "reset")) {
|
|
replyChainEnd--;
|
|
srcPos--;
|
|
}
|
|
}
|
|
if (taskTop == p) {
|
|
taskTop = below;
|
|
}
|
|
if (taskTopI == replyChainEnd) {
|
|
taskTopI = -1;
|
|
}
|
|
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;
|
|
}
|
|
} else {
|
|
// Reached the bottom of the task -- any reply chain
|
|
// should be left as-is.
|
|
replyChainEnd = -1;
|
|
}
|
|
|
|
} else 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 = targetI;
|
|
}
|
|
|
|
} else if (taskTopI >= 0 && allowTaskReparenting
|
|
&& task.affinity != null
|
|
&& task.affinity.equals(target.taskAffinity)) {
|
|
// We are inside of another task... if this activity has
|
|
// an affinity for our task, then 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) {
|
|
if (replyChainEnd < 0) {
|
|
replyChainEnd = targetI;
|
|
}
|
|
ActivityRecord p = null;
|
|
for (int srcPos=targetI; srcPos<=replyChainEnd; srcPos++) {
|
|
p = (ActivityRecord)mHistory.get(srcPos);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
if (finishActivityLocked(p, srcPos,
|
|
Activity.RESULT_CANCELED, null, "reset")) {
|
|
taskTopI--;
|
|
lastReparentPos--;
|
|
replyChainEnd--;
|
|
srcPos--;
|
|
}
|
|
}
|
|
replyChainEnd = -1;
|
|
} else {
|
|
if (replyChainEnd < 0) {
|
|
replyChainEnd = targetI;
|
|
}
|
|
for (int srcPos=replyChainEnd; srcPos>=targetI; srcPos--) {
|
|
ActivityRecord p = (ActivityRecord)mHistory.get(srcPos);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
if (lastReparentPos < 0) {
|
|
lastReparentPos = taskTopI;
|
|
taskTop = p;
|
|
} else {
|
|
lastReparentPos--;
|
|
}
|
|
mHistory.remove(srcPos);
|
|
p.task.numActivities--;
|
|
p.task = task;
|
|
mHistory.add(lastReparentPos, p);
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Pulling activity " + p
|
|
+ " in to resetting task " + task);
|
|
task.numActivities++;
|
|
mService.mWindowManager.moveAppToken(lastReparentPos, p);
|
|
mService.mWindowManager.setAppGroupId(p, p.task.taskId);
|
|
if (VALIDATE_TOKENS) {
|
|
mService.mWindowManager.validateAppTokens(mHistory);
|
|
}
|
|
}
|
|
replyChainEnd = -1;
|
|
|
|
// 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) {
|
|
for (int j=lastReparentPos-1; j>=0; j--) {
|
|
ActivityRecord p = (ActivityRecord)mHistory.get(j);
|
|
if (p.finishing) {
|
|
continue;
|
|
}
|
|
if (p.intent.getComponent().equals(target.intent.getComponent())) {
|
|
if (finishActivityLocked(p, j,
|
|
Activity.RESULT_CANCELED, null, "replace")) {
|
|
taskTopI--;
|
|
lastReparentPos--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
target = below;
|
|
targetI = i;
|
|
}
|
|
|
|
return taskTop;
|
|
}
|
|
|
|
/**
|
|
* Perform clear operation as requested by
|
|
* {@link Intent#FLAG_ACTIVITY_CLEAR_TOP}: search from the top of the
|
|
* stack to the given task, then look for
|
|
* an instance of that activity in the stack and, if found, finish all
|
|
* activities on top of it and return the instance.
|
|
*
|
|
* @param newR Description of the new activity being started.
|
|
* @return Returns the old activity that should be continue to be used,
|
|
* or null if none was found.
|
|
*/
|
|
private final ActivityRecord performClearTaskLocked(int taskId,
|
|
ActivityRecord newR, int launchFlags, boolean doClear) {
|
|
int i = mHistory.size();
|
|
|
|
// First find the requested task.
|
|
while (i > 0) {
|
|
i--;
|
|
ActivityRecord r = (ActivityRecord)mHistory.get(i);
|
|
if (r.task.taskId == taskId) {
|
|
i++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Now clear it.
|
|
while (i > 0) {
|
|
i--;
|
|
ActivityRecord r = (ActivityRecord)mHistory.get(i);
|
|
if (r.finishing) {
|
|
continue;
|
|
}
|
|
if (r.task.taskId != taskId) {
|
|
return null;
|
|
}
|
|
if (r.realActivity.equals(newR.realActivity)) {
|
|
// Here it is! Now finish everything in front...
|
|
ActivityRecord ret = r;
|
|
if (doClear) {
|
|
while (i < (mHistory.size()-1)) {
|
|
i++;
|
|
r = (ActivityRecord)mHistory.get(i);
|
|
if (r.finishing) {
|
|
continue;
|
|
}
|
|
if (finishActivityLocked(r, i, Activity.RESULT_CANCELED,
|
|
null, "clear")) {
|
|
i--;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Finally, if this is a normal launch mode (that is, not
|
|
// expecting onNewIntent()), then we will finish the current
|
|
// instance of the activity so a new fresh one can be started.
|
|
if (ret.launchMode == ActivityInfo.LAUNCH_MULTIPLE
|
|
&& (launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) == 0) {
|
|
if (!ret.finishing) {
|
|
int index = indexOfTokenLocked(ret);
|
|
if (index >= 0) {
|
|
finishActivityLocked(ret, index, Activity.RESULT_CANCELED,
|
|
null, "clear");
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Find the activity in the history stack within the given task. Returns
|
|
* the index within the history at which it's found, or < 0 if not found.
|
|
*/
|
|
private final int findActivityInHistoryLocked(ActivityRecord r, int task) {
|
|
int i = mHistory.size();
|
|
while (i > 0) {
|
|
i--;
|
|
ActivityRecord candidate = (ActivityRecord)mHistory.get(i);
|
|
if (candidate.task.taskId != task) {
|
|
break;
|
|
}
|
|
if (candidate.realActivity.equals(r.realActivity)) {
|
|
return i;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Reorder the history stack so that the activity at the given index is
|
|
* brought to the front.
|
|
*/
|
|
private final ActivityRecord moveActivityToFrontLocked(int where) {
|
|
ActivityRecord newTop = (ActivityRecord)mHistory.remove(where);
|
|
int top = mHistory.size();
|
|
ActivityRecord oldTop = (ActivityRecord)mHistory.get(top-1);
|
|
mHistory.add(top, newTop);
|
|
oldTop.frontOfTask = false;
|
|
newTop.frontOfTask = true;
|
|
return newTop;
|
|
}
|
|
|
|
final int startActivityLocked(IApplicationThread caller,
|
|
Intent intent, String resolvedType,
|
|
Uri[] grantedUriPermissions,
|
|
int grantedMode, ActivityInfo aInfo, IBinder resultTo,
|
|
String resultWho, int requestCode,
|
|
int callingPid, int callingUid, boolean onlyIfNeeded,
|
|
boolean componentSpecified) {
|
|
|
|
int err = START_SUCCESS;
|
|
|
|
ProcessRecord callerApp = null;
|
|
if (caller != null) {
|
|
callerApp = mService.getRecordForAppLocked(caller);
|
|
if (callerApp != null) {
|
|
callingPid = callerApp.pid;
|
|
callingUid = callerApp.info.uid;
|
|
} else {
|
|
Slog.w(TAG, "Unable to find app for caller " + caller
|
|
+ " (pid=" + callingPid + ") when starting: "
|
|
+ intent.toString());
|
|
err = START_PERMISSION_DENIED;
|
|
}
|
|
}
|
|
|
|
if (err == START_SUCCESS) {
|
|
Slog.i(TAG, "Starting: " + intent + " from pid "
|
|
+ (callerApp != null ? callerApp.pid : callingPid));
|
|
mActivityTrigger.activityStartTrigger(intent);
|
|
}
|
|
|
|
ActivityRecord sourceRecord = null;
|
|
ActivityRecord resultRecord = null;
|
|
if (resultTo != null) {
|
|
int index = indexOfTokenLocked(resultTo);
|
|
if (DEBUG_RESULTS) Slog.v(
|
|
TAG, "Sending result to " + resultTo + " (index " + index + ")");
|
|
if (index >= 0) {
|
|
sourceRecord = (ActivityRecord)mHistory.get(index);
|
|
if (requestCode >= 0 && !sourceRecord.finishing) {
|
|
resultRecord = sourceRecord;
|
|
}
|
|
}
|
|
}
|
|
|
|
int launchFlags = intent.getFlags();
|
|
|
|
if ((launchFlags&Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0
|
|
&& sourceRecord != null) {
|
|
// Transfer the result target from the source activity to the new
|
|
// one being started, including any failures.
|
|
if (requestCode >= 0) {
|
|
return START_FORWARD_AND_REQUEST_CONFLICT;
|
|
}
|
|
resultRecord = sourceRecord.resultTo;
|
|
resultWho = sourceRecord.resultWho;
|
|
requestCode = sourceRecord.requestCode;
|
|
sourceRecord.resultTo = null;
|
|
if (resultRecord != null) {
|
|
resultRecord.removeResultsLocked(
|
|
sourceRecord, resultWho, requestCode);
|
|
}
|
|
}
|
|
|
|
if (err == START_SUCCESS && intent.getComponent() == null) {
|
|
// We couldn't find a class that can handle the given Intent.
|
|
// That's the end of that!
|
|
err = START_INTENT_NOT_RESOLVED;
|
|
}
|
|
|
|
if (err == START_SUCCESS && aInfo == null) {
|
|
// We couldn't find the specific class specified in the Intent.
|
|
// Also the end of the line.
|
|
err = START_CLASS_NOT_FOUND;
|
|
}
|
|
|
|
if (err != START_SUCCESS) {
|
|
if (resultRecord != null) {
|
|
sendActivityResultLocked(-1,
|
|
resultRecord, resultWho, requestCode,
|
|
Activity.RESULT_CANCELED, null);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
final int perm = mService.checkComponentPermission(aInfo.permission, callingPid,
|
|
callingUid, aInfo.exported ? -1 : aInfo.applicationInfo.uid);
|
|
if (perm != PackageManager.PERMISSION_GRANTED) {
|
|
if (resultRecord != null) {
|
|
sendActivityResultLocked(-1,
|
|
resultRecord, resultWho, requestCode,
|
|
Activity.RESULT_CANCELED, null);
|
|
}
|
|
String msg = "Permission Denial: starting " + intent.toString()
|
|
+ " from " + callerApp + " (pid=" + callingPid
|
|
+ ", uid=" + callingUid + ")"
|
|
+ " requires " + aInfo.permission;
|
|
Slog.w(TAG, msg);
|
|
throw new SecurityException(msg);
|
|
}
|
|
|
|
if (mMainStack) {
|
|
if (mService.mController != null) {
|
|
boolean abort = false;
|
|
try {
|
|
// The Intent we give to the watcher has the extra data
|
|
// stripped off, since it can contain private information.
|
|
Intent watchIntent = intent.cloneFilter();
|
|
abort = !mService.mController.activityStarting(watchIntent,
|
|
aInfo.applicationInfo.packageName);
|
|
} catch (RemoteException e) {
|
|
mService.mController = null;
|
|
}
|
|
|
|
if (abort) {
|
|
if (resultRecord != null) {
|
|
sendActivityResultLocked(-1,
|
|
resultRecord, resultWho, requestCode,
|
|
Activity.RESULT_CANCELED, null);
|
|
}
|
|
// We pretend to the caller that it was really started, but
|
|
// they will just get a cancel result.
|
|
return START_SUCCESS;
|
|
}
|
|
}
|
|
}
|
|
|
|
ActivityRecord r = new ActivityRecord(mService, this, callerApp, callingUid,
|
|
intent, resolvedType, aInfo, mService.mConfiguration,
|
|
resultRecord, resultWho, requestCode, componentSpecified);
|
|
|
|
if (mMainStack) {
|
|
if (mResumedActivity == null
|
|
|| mResumedActivity.info.applicationInfo.uid != callingUid) {
|
|
if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, "Activity start")) {
|
|
PendingActivityLaunch pal = new PendingActivityLaunch();
|
|
pal.r = r;
|
|
pal.sourceRecord = sourceRecord;
|
|
pal.grantedUriPermissions = grantedUriPermissions;
|
|
pal.grantedMode = grantedMode;
|
|
pal.onlyIfNeeded = onlyIfNeeded;
|
|
mService.mPendingActivityLaunches.add(pal);
|
|
return START_SWITCHES_CANCELED;
|
|
}
|
|
}
|
|
|
|
if (mService.mDidAppSwitch) {
|
|
// This is the second allowed switch since we stopped switches,
|
|
// so now just generally allow switches. Use case: user presses
|
|
// home (switches disabled, switch to home, mDidAppSwitch now true);
|
|
// user taps a home icon (coming from home so allowed, we hit here
|
|
// and now allow anyone to switch again).
|
|
mService.mAppSwitchesAllowedTime = 0;
|
|
} else {
|
|
mService.mDidAppSwitch = true;
|
|
}
|
|
|
|
mService.doPendingActivityLaunchesLocked(false);
|
|
}
|
|
|
|
return startActivityUncheckedLocked(r, sourceRecord,
|
|
grantedUriPermissions, grantedMode, onlyIfNeeded, true);
|
|
}
|
|
|
|
final int startActivityUncheckedLocked(ActivityRecord r,
|
|
ActivityRecord sourceRecord, Uri[] grantedUriPermissions,
|
|
int grantedMode, boolean onlyIfNeeded, boolean doResume) {
|
|
final Intent intent = r.intent;
|
|
final int callingUid = r.launchedFromUid;
|
|
|
|
int launchFlags = intent.getFlags();
|
|
|
|
// We'll invoke onUserLeaving before onPause only if the launching
|
|
// activity did not explicitly state that this is an automated launch.
|
|
mUserLeaving = (launchFlags&Intent.FLAG_ACTIVITY_NO_USER_ACTION) == 0;
|
|
if (DEBUG_USER_LEAVING) Slog.v(TAG,
|
|
"startActivity() => mUserLeaving=" + mUserLeaving);
|
|
|
|
// If the caller has asked not to resume at this point, we make note
|
|
// of this in the record so that we can skip it when trying to find
|
|
// the top running activity.
|
|
if (!doResume) {
|
|
r.delayedResume = true;
|
|
}
|
|
|
|
ActivityRecord notTop = (launchFlags&Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP)
|
|
!= 0 ? r : null;
|
|
|
|
// If the onlyIfNeeded flag is set, then we can do this if the activity
|
|
// being launched is the same as the one making the call... or, as
|
|
// a special case, if we do not know the caller then we count the
|
|
// current top activity as the caller.
|
|
if (onlyIfNeeded) {
|
|
ActivityRecord checkedCaller = sourceRecord;
|
|
if (checkedCaller == null) {
|
|
checkedCaller = topRunningNonDelayedActivityLocked(notTop);
|
|
}
|
|
if (!checkedCaller.realActivity.equals(r.realActivity)) {
|
|
// Caller is not the same as launcher, so always needed.
|
|
onlyIfNeeded = false;
|
|
}
|
|
}
|
|
|
|
if (sourceRecord == null) {
|
|
// This activity is not being started from another... in this
|
|
// case we -always- start a new task.
|
|
if ((launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) {
|
|
Slog.w(TAG, "startActivity called from non-Activity context; forcing Intent.FLAG_ACTIVITY_NEW_TASK for: "
|
|
+ intent);
|
|
launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK;
|
|
}
|
|
} else if (sourceRecord.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) {
|
|
// The original activity who is starting us is running as a single
|
|
// instance... this new activity it is starting must go on its
|
|
// own task.
|
|
launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK;
|
|
} else if (r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE
|
|
|| r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK) {
|
|
// The activity being started is a single instance... it always
|
|
// gets launched into its own task.
|
|
launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK;
|
|
}
|
|
|
|
if (r.resultTo != null && (launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
|
|
// For whatever reason this activity is being launched into a new
|
|
// task... yet the caller has requested a result back. Well, that
|
|
// is pretty messed up, so instead immediately send back a cancel
|
|
// and let the new task continue launched as normal without a
|
|
// dependency on its originator.
|
|
Slog.w(TAG, "Activity is launching as a new task, so cancelling activity result.");
|
|
sendActivityResultLocked(-1,
|
|
r.resultTo, r.resultWho, r.requestCode,
|
|
Activity.RESULT_CANCELED, null);
|
|
r.resultTo = null;
|
|
}
|
|
|
|
boolean addingToTask = false;
|
|
if (((launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0 &&
|
|
(launchFlags&Intent.FLAG_ACTIVITY_MULTIPLE_TASK) == 0)
|
|
|| r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK
|
|
|| r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) {
|
|
// If bring to front is requested, and no result is requested, and
|
|
// we can find a task that was started with this same
|
|
// component, then instead of launching bring that one to the front.
|
|
if (r.resultTo == null) {
|
|
// See if there is a task to bring to the front. If this is
|
|
// a SINGLE_INSTANCE activity, there can be one and only one
|
|
// instance of it in the history, and it is always in its own
|
|
// unique task, so we do a special search.
|
|
ActivityRecord taskTop = r.launchMode != ActivityInfo.LAUNCH_SINGLE_INSTANCE
|
|
? findTaskLocked(intent, r.info)
|
|
: findActivityLocked(intent, r.info);
|
|
if (taskTop != null) {
|
|
if (taskTop.task.intent == null) {
|
|
// This task was started because of movement of
|
|
// the activity based on affinity... now that we
|
|
// are actually launching it, we can assign the
|
|
// base intent.
|
|
taskTop.task.setIntent(intent, r.info);
|
|
}
|
|
// If the target task is not in the front, then we need
|
|
// to bring it to the front... except... well, with
|
|
// SINGLE_TASK_LAUNCH it's not entirely clear. We'd like
|
|
// to have the same behavior as if a new instance was
|
|
// being started, which means not bringing it to the front
|
|
// if the caller is not itself in the front.
|
|
ActivityRecord curTop = topRunningNonDelayedActivityLocked(notTop);
|
|
if (curTop != null && curTop.task != taskTop.task) {
|
|
r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
|
|
boolean callerAtFront = sourceRecord == null
|
|
|| curTop.task == sourceRecord.task;
|
|
if (callerAtFront) {
|
|
// We really do want to push this one into the
|
|
// user's face, right now.
|
|
moveTaskToFrontLocked(taskTop.task, r);
|
|
}
|
|
}
|
|
// If the caller has requested that the target task be
|
|
// reset, then do so.
|
|
if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) {
|
|
taskTop = resetTaskIfNeededLocked(taskTop, r);
|
|
}
|
|
if (onlyIfNeeded) {
|
|
// We don't need to start a new activity, and
|
|
// the client said not to do anything if that
|
|
// is the case, so this is it! And for paranoia, make
|
|
// sure we have correctly resumed the top activity.
|
|
if (doResume) {
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
return START_RETURN_INTENT_TO_CALLER;
|
|
}
|
|
if ((launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0
|
|
|| r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK
|
|
|| r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) {
|
|
// In this situation we want to remove all activities
|
|
// from the task up to the one being started. In most
|
|
// cases this means we are resetting the task to its
|
|
// initial state.
|
|
ActivityRecord top = performClearTaskLocked(
|
|
taskTop.task.taskId, r, launchFlags, true);
|
|
if (top != null) {
|
|
if (top.frontOfTask) {
|
|
// Activity aliases may mean we use different
|
|
// intents for the top activity, so make sure
|
|
// the task now has the identity of the new
|
|
// intent.
|
|
top.task.setIntent(r.intent, r.info);
|
|
}
|
|
logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task);
|
|
top.deliverNewIntentLocked(callingUid, r.intent);
|
|
} else {
|
|
// A special case: we need to
|
|
// start the activity because it is not currently
|
|
// running, and the caller has asked to clear the
|
|
// current task to have this activity at the top.
|
|
addingToTask = true;
|
|
// Now pretend like this activity is being started
|
|
// by the top of its task, so it is put in the
|
|
// right place.
|
|
sourceRecord = taskTop;
|
|
}
|
|
} else if (r.realActivity.equals(taskTop.task.realActivity)) {
|
|
// In this case the top activity on the task is the
|
|
// same as the one being launched, so we take that
|
|
// as a request to bring the task to the foreground.
|
|
// If the top activity in the task is the root
|
|
// activity, deliver this new intent to it if it
|
|
// desires.
|
|
if ((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0
|
|
&& taskTop.realActivity.equals(r.realActivity)) {
|
|
logStartActivity(EventLogTags.AM_NEW_INTENT, r, taskTop.task);
|
|
if (taskTop.frontOfTask) {
|
|
taskTop.task.setIntent(r.intent, r.info);
|
|
}
|
|
taskTop.deliverNewIntentLocked(callingUid, r.intent);
|
|
} else if (!r.intent.filterEquals(taskTop.task.intent)) {
|
|
// In this case we are launching the root activity
|
|
// of the task, but with a different intent. We
|
|
// should start a new instance on top.
|
|
addingToTask = true;
|
|
sourceRecord = taskTop;
|
|
}
|
|
} else if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) == 0) {
|
|
// In this case an activity is being launched in to an
|
|
// existing task, without resetting that task. This
|
|
// is typically the situation of launching an activity
|
|
// from a notification or shortcut. We want to place
|
|
// the new activity on top of the current task.
|
|
addingToTask = true;
|
|
sourceRecord = taskTop;
|
|
} else if (!taskTop.task.rootWasReset) {
|
|
// In this case we are launching in to an existing task
|
|
// that has not yet been started from its front door.
|
|
// The current task has been brought to the front.
|
|
// Ideally, we'd probably like to place this new task
|
|
// at the bottom of its stack, but that's a little hard
|
|
// to do with the current organization of the code so
|
|
// for now we'll just drop it.
|
|
taskTop.task.setIntent(r.intent, r.info);
|
|
}
|
|
if (!addingToTask) {
|
|
// We didn't do anything... but it was needed (a.k.a., client
|
|
// don't use that intent!) And for paranoia, make
|
|
// sure we have correctly resumed the top activity.
|
|
if (doResume) {
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
return START_TASK_TO_FRONT;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//String uri = r.intent.toURI();
|
|
//Intent intent2 = new Intent(uri);
|
|
//Slog.i(TAG, "Given intent: " + r.intent);
|
|
//Slog.i(TAG, "URI is: " + uri);
|
|
//Slog.i(TAG, "To intent: " + intent2);
|
|
|
|
if (r.packageName != null) {
|
|
// If the activity being launched is the same as the one currently
|
|
// at the top, then we need to check if it should only be launched
|
|
// once.
|
|
ActivityRecord top = topRunningNonDelayedActivityLocked(notTop);
|
|
if (top != null && r.resultTo == null) {
|
|
if (top.realActivity.equals(r.realActivity)) {
|
|
if (top.app != null && top.app.thread != null) {
|
|
if ((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0
|
|
|| r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP
|
|
|| r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK) {
|
|
logStartActivity(EventLogTags.AM_NEW_INTENT, top, top.task);
|
|
// For paranoia, make sure we have correctly
|
|
// resumed the top activity.
|
|
if (doResume) {
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
if (onlyIfNeeded) {
|
|
// We don't need to start a new activity, and
|
|
// the client said not to do anything if that
|
|
// is the case, so this is it!
|
|
return START_RETURN_INTENT_TO_CALLER;
|
|
}
|
|
top.deliverNewIntentLocked(callingUid, r.intent);
|
|
return START_DELIVERED_TO_TOP;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
} else {
|
|
if (r.resultTo != null) {
|
|
sendActivityResultLocked(-1,
|
|
r.resultTo, r.resultWho, r.requestCode,
|
|
Activity.RESULT_CANCELED, null);
|
|
}
|
|
return START_CLASS_NOT_FOUND;
|
|
}
|
|
|
|
boolean newTask = false;
|
|
|
|
// Should this be considered a new task?
|
|
if (r.resultTo == null && !addingToTask
|
|
&& (launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
|
|
// todo: should do better management of integers.
|
|
mService.mCurTask++;
|
|
if (mService.mCurTask <= 0) {
|
|
mService.mCurTask = 1;
|
|
}
|
|
r.task = new TaskRecord(mService.mCurTask, r.info, intent,
|
|
(r.info.flags&ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0);
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r
|
|
+ " in new task " + r.task);
|
|
newTask = true;
|
|
if (mMainStack) {
|
|
mService.addRecentTaskLocked(r.task);
|
|
}
|
|
|
|
} else if (sourceRecord != null) {
|
|
if (!addingToTask &&
|
|
(launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) {
|
|
// In this case, we are adding the activity to an existing
|
|
// task, but the caller has asked to clear that task if the
|
|
// activity is already running.
|
|
ActivityRecord top = performClearTaskLocked(
|
|
sourceRecord.task.taskId, r, launchFlags, true);
|
|
if (top != null) {
|
|
logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task);
|
|
top.deliverNewIntentLocked(callingUid, r.intent);
|
|
// For paranoia, make sure we have correctly
|
|
// resumed the top activity.
|
|
if (doResume) {
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
return START_DELIVERED_TO_TOP;
|
|
}
|
|
} else if (!addingToTask &&
|
|
(launchFlags&Intent.FLAG_ACTIVITY_REORDER_TO_FRONT) != 0) {
|
|
// In this case, we are launching an activity in our own task
|
|
// that may already be running somewhere in the history, and
|
|
// we want to shuffle it to the front of the stack if so.
|
|
int where = findActivityInHistoryLocked(r, sourceRecord.task.taskId);
|
|
if (where >= 0) {
|
|
ActivityRecord top = moveActivityToFrontLocked(where);
|
|
logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task);
|
|
top.deliverNewIntentLocked(callingUid, r.intent);
|
|
if (doResume) {
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
return START_DELIVERED_TO_TOP;
|
|
}
|
|
}
|
|
// An existing activity is starting this new activity, so we want
|
|
// to keep the new one in the same task as the one that is starting
|
|
// it.
|
|
r.task = sourceRecord.task;
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r
|
|
+ " in existing task " + r.task);
|
|
|
|
} else {
|
|
// This not being started from an existing activity, and not part
|
|
// of a new task... just put it in the top task, though these days
|
|
// this case should never happen.
|
|
final int N = mHistory.size();
|
|
ActivityRecord prev =
|
|
N > 0 ? (ActivityRecord)mHistory.get(N-1) : null;
|
|
r.task = prev != null
|
|
? prev.task
|
|
: new TaskRecord(mService.mCurTask, r.info, intent,
|
|
(r.info.flags&ActivityInfo.FLAG_CLEAR_TASK_ON_LAUNCH) != 0);
|
|
if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r
|
|
+ " in new guessed " + r.task);
|
|
}
|
|
|
|
if (grantedUriPermissions != null && callingUid > 0) {
|
|
for (int i=0; i<grantedUriPermissions.length; i++) {
|
|
mService.grantUriPermissionLocked(callingUid, r.packageName,
|
|
grantedUriPermissions[i], grantedMode, r.getUriPermissionsLocked());
|
|
}
|
|
}
|
|
|
|
mService.grantUriPermissionFromIntentLocked(callingUid, r.packageName,
|
|
intent, r.getUriPermissionsLocked());
|
|
|
|
if (newTask) {
|
|
EventLog.writeEvent(EventLogTags.AM_CREATE_TASK, r.task.taskId);
|
|
}
|
|
logStartActivity(EventLogTags.AM_CREATE_ACTIVITY, r, r.task);
|
|
startActivityLocked(r, newTask, doResume);
|
|
return START_SUCCESS;
|
|
}
|
|
|
|
final int startActivityMayWait(IApplicationThread caller,
|
|
Intent intent, String resolvedType, Uri[] grantedUriPermissions,
|
|
int grantedMode, IBinder resultTo,
|
|
String resultWho, int requestCode, boolean onlyIfNeeded,
|
|
boolean debug, WaitResult outResult, Configuration config) {
|
|
// Refuse possible leaked file descriptors
|
|
if (intent != null && intent.hasFileDescriptors()) {
|
|
throw new IllegalArgumentException("File descriptors passed in Intent");
|
|
}
|
|
|
|
boolean componentSpecified = intent.getComponent() != null;
|
|
|
|
// Don't modify the client's object!
|
|
intent = new Intent(intent);
|
|
|
|
// Collect information about the target of the Intent.
|
|
ActivityInfo aInfo;
|
|
try {
|
|
ResolveInfo rInfo =
|
|
AppGlobals.getPackageManager().resolveIntent(
|
|
intent, resolvedType,
|
|
PackageManager.MATCH_DEFAULT_ONLY
|
|
| ActivityManagerService.STOCK_PM_FLAGS);
|
|
aInfo = rInfo != null ? rInfo.activityInfo : null;
|
|
} catch (RemoteException e) {
|
|
aInfo = null;
|
|
}
|
|
|
|
if (aInfo != null) {
|
|
// Store the found target back into the intent, because now that
|
|
// we have it we never want to do this again. For example, if the
|
|
// user navigates back to this point in the history, we should
|
|
// always restart the exact same activity.
|
|
intent.setComponent(new ComponentName(
|
|
aInfo.applicationInfo.packageName, aInfo.name));
|
|
|
|
// Don't debug things in the system process
|
|
if (debug) {
|
|
if (!aInfo.processName.equals("system")) {
|
|
mService.setDebugApp(aInfo.processName, true, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
synchronized (mService) {
|
|
int callingPid;
|
|
int callingUid;
|
|
if (caller == null) {
|
|
callingPid = Binder.getCallingPid();
|
|
callingUid = Binder.getCallingUid();
|
|
} else {
|
|
callingPid = callingUid = -1;
|
|
}
|
|
|
|
mConfigWillChange = config != null
|
|
&& mService.mConfiguration.diff(config) != 0;
|
|
if (DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Starting activity when config will change = " + mConfigWillChange);
|
|
|
|
final long origId = Binder.clearCallingIdentity();
|
|
|
|
if (mMainStack && aInfo != null &&
|
|
(aInfo.applicationInfo.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) {
|
|
// This may be a heavy-weight process! Check to see if we already
|
|
// have another, different heavy-weight process running.
|
|
if (aInfo.processName.equals(aInfo.applicationInfo.packageName)) {
|
|
if (mService.mHeavyWeightProcess != null &&
|
|
(mService.mHeavyWeightProcess.info.uid != aInfo.applicationInfo.uid ||
|
|
!mService.mHeavyWeightProcess.processName.equals(aInfo.processName))) {
|
|
int realCallingPid = callingPid;
|
|
int realCallingUid = callingUid;
|
|
if (caller != null) {
|
|
ProcessRecord callerApp = mService.getRecordForAppLocked(caller);
|
|
if (callerApp != null) {
|
|
realCallingPid = callerApp.pid;
|
|
realCallingUid = callerApp.info.uid;
|
|
} else {
|
|
Slog.w(TAG, "Unable to find app for caller " + caller
|
|
+ " (pid=" + realCallingPid + ") when starting: "
|
|
+ intent.toString());
|
|
return START_PERMISSION_DENIED;
|
|
}
|
|
}
|
|
|
|
IIntentSender target = mService.getIntentSenderLocked(
|
|
IActivityManager.INTENT_SENDER_ACTIVITY, "android",
|
|
realCallingUid, null, null, 0, intent,
|
|
resolvedType, PendingIntent.FLAG_CANCEL_CURRENT
|
|
| PendingIntent.FLAG_ONE_SHOT);
|
|
|
|
Intent newIntent = new Intent();
|
|
if (requestCode >= 0) {
|
|
// Caller is requesting a result.
|
|
newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true);
|
|
}
|
|
newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT,
|
|
new IntentSender(target));
|
|
if (mService.mHeavyWeightProcess.activities.size() > 0) {
|
|
ActivityRecord hist = mService.mHeavyWeightProcess.activities.get(0);
|
|
newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_APP,
|
|
hist.packageName);
|
|
newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_TASK,
|
|
hist.task.taskId);
|
|
}
|
|
newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP,
|
|
aInfo.packageName);
|
|
newIntent.setFlags(intent.getFlags());
|
|
newIntent.setClassName("android",
|
|
HeavyWeightSwitcherActivity.class.getName());
|
|
intent = newIntent;
|
|
resolvedType = null;
|
|
caller = null;
|
|
callingUid = Binder.getCallingUid();
|
|
callingPid = Binder.getCallingPid();
|
|
componentSpecified = true;
|
|
try {
|
|
ResolveInfo rInfo =
|
|
AppGlobals.getPackageManager().resolveIntent(
|
|
intent, null,
|
|
PackageManager.MATCH_DEFAULT_ONLY
|
|
| ActivityManagerService.STOCK_PM_FLAGS);
|
|
aInfo = rInfo != null ? rInfo.activityInfo : null;
|
|
} catch (RemoteException e) {
|
|
aInfo = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int res = startActivityLocked(caller, intent, resolvedType,
|
|
grantedUriPermissions, grantedMode, aInfo,
|
|
resultTo, resultWho, requestCode, callingPid, callingUid,
|
|
onlyIfNeeded, componentSpecified);
|
|
|
|
if (mConfigWillChange && mMainStack) {
|
|
// If the caller also wants to switch to a new configuration,
|
|
// do so now. This allows a clean switch, as we are waiting
|
|
// for the current activity to pause (so we will not destroy
|
|
// it), and have not yet started the next activity.
|
|
mService.enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION,
|
|
"updateConfiguration()");
|
|
mConfigWillChange = false;
|
|
if (DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Updating to new configuration after starting activity.");
|
|
mService.updateConfigurationLocked(config, null);
|
|
}
|
|
|
|
Binder.restoreCallingIdentity(origId);
|
|
|
|
if (outResult != null) {
|
|
outResult.result = res;
|
|
if (res == IActivityManager.START_SUCCESS) {
|
|
mWaitingActivityLaunched.add(outResult);
|
|
do {
|
|
try {
|
|
mService.wait();
|
|
} catch (InterruptedException e) {
|
|
}
|
|
} while (!outResult.timeout && outResult.who == null);
|
|
} else if (res == IActivityManager.START_TASK_TO_FRONT) {
|
|
ActivityRecord r = this.topRunningActivityLocked(null);
|
|
if (r.nowVisible) {
|
|
outResult.timeout = false;
|
|
outResult.who = new ComponentName(r.info.packageName, r.info.name);
|
|
outResult.totalTime = 0;
|
|
outResult.thisTime = 0;
|
|
} else {
|
|
outResult.thisTime = SystemClock.uptimeMillis();
|
|
mWaitingActivityVisible.add(outResult);
|
|
do {
|
|
try {
|
|
mService.wait();
|
|
} catch (InterruptedException e) {
|
|
}
|
|
} while (!outResult.timeout && outResult.who == null);
|
|
}
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
}
|
|
|
|
void reportActivityLaunchedLocked(boolean timeout, ActivityRecord r,
|
|
long thisTime, long totalTime) {
|
|
for (int i=mWaitingActivityLaunched.size()-1; i>=0; i--) {
|
|
WaitResult w = mWaitingActivityLaunched.get(i);
|
|
w.timeout = timeout;
|
|
if (r != null) {
|
|
w.who = new ComponentName(r.info.packageName, r.info.name);
|
|
}
|
|
w.thisTime = thisTime;
|
|
w.totalTime = totalTime;
|
|
}
|
|
mService.notifyAll();
|
|
}
|
|
|
|
void reportActivityVisibleLocked(ActivityRecord r) {
|
|
for (int i=mWaitingActivityVisible.size()-1; i>=0; i--) {
|
|
WaitResult w = mWaitingActivityVisible.get(i);
|
|
w.timeout = false;
|
|
if (r != null) {
|
|
w.who = new ComponentName(r.info.packageName, r.info.name);
|
|
}
|
|
w.totalTime = SystemClock.uptimeMillis() - w.thisTime;
|
|
w.thisTime = w.totalTime;
|
|
}
|
|
mService.notifyAll();
|
|
}
|
|
|
|
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, list);
|
|
return;
|
|
} catch (Exception e) {
|
|
Slog.w(TAG, "Exception thrown sending result to " + r, e);
|
|
}
|
|
}
|
|
|
|
r.addResultLocked(null, resultWho, requestCode, resultCode, data);
|
|
}
|
|
|
|
private 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) {
|
|
requestFinishActivityLocked(r, Activity.RESULT_CANCELED, null,
|
|
"no-history");
|
|
}
|
|
} else if (r.app != null && r.app.thread != null) {
|
|
if (mMainStack) {
|
|
if (mService.mFocusedActivity == r) {
|
|
mService.setFocusedActivityLocked(topRunningActivityLocked(null));
|
|
}
|
|
}
|
|
r.resumeKeyDispatchingLocked();
|
|
try {
|
|
r.stopped = false;
|
|
r.state = ActivityState.STOPPING;
|
|
if (DEBUG_VISBILITY) Slog.v(
|
|
TAG, "Stopping visible=" + r.visible + " for " + r);
|
|
if (!r.visible) {
|
|
mService.mWindowManager.setAppVisibility(r, false);
|
|
}
|
|
r.app.thread.scheduleStopActivity(r, r.visible, r.configChangeFlags);
|
|
} 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;
|
|
r.state = ActivityState.STOPPED;
|
|
if (r.configDestroy) {
|
|
destroyActivityLocked(r, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
final ArrayList<ActivityRecord> processStoppingActivitiesLocked(
|
|
boolean remove) {
|
|
int N = mStoppingActivities.size();
|
|
if (N <= 0) return null;
|
|
|
|
ArrayList<ActivityRecord> stops = null;
|
|
|
|
final boolean nowVisible = mResumedActivity != null
|
|
&& mResumedActivity.nowVisible
|
|
&& !mResumedActivity.waitingVisible;
|
|
for (int i=0; i<N; i++) {
|
|
ActivityRecord s = mStoppingActivities.get(i);
|
|
if (localLOGV) Slog.v(TAG, "Stopping " + s + ": nowVisible="
|
|
+ nowVisible + " waitingVisible=" + s.waitingVisible
|
|
+ " finishing=" + s.finishing);
|
|
if (s.waitingVisible && nowVisible) {
|
|
mWaitingVisibleActivities.remove(s);
|
|
s.waitingVisible = false;
|
|
if (s.finishing) {
|
|
// If this activity is finishing, it is sitting on top of
|
|
// everyone else but we now know it is no longer needed...
|
|
// so get rid of it. Otherwise, we need to go through the
|
|
// normal flow and hide it once we determine that it is
|
|
// hidden by the activities in front of it.
|
|
if (localLOGV) Slog.v(TAG, "Before stopping, can hide: " + s);
|
|
mService.mWindowManager.setAppVisibility(s, false);
|
|
}
|
|
}
|
|
if (!s.waitingVisible && remove) {
|
|
if (localLOGV) Slog.v(TAG, "Ready to stop: " + s);
|
|
if (stops == null) {
|
|
stops = new ArrayList<ActivityRecord>();
|
|
}
|
|
stops.add(s);
|
|
mStoppingActivities.remove(i);
|
|
N--;
|
|
i--;
|
|
}
|
|
}
|
|
|
|
return stops;
|
|
}
|
|
|
|
final void activityIdleInternal(IBinder token, boolean fromTimeout,
|
|
Configuration config) {
|
|
if (localLOGV) Slog.v(TAG, "Activity idle: " + token);
|
|
|
|
ArrayList<ActivityRecord> stops = null;
|
|
ArrayList<ActivityRecord> finishes = null;
|
|
ArrayList<ActivityRecord> thumbnails = null;
|
|
int NS = 0;
|
|
int NF = 0;
|
|
int NT = 0;
|
|
IApplicationThread sendThumbnail = null;
|
|
boolean booting = false;
|
|
boolean enableScreen = false;
|
|
|
|
synchronized (mService) {
|
|
if (token != null) {
|
|
mHandler.removeMessages(IDLE_TIMEOUT_MSG, token);
|
|
}
|
|
|
|
// Get the activity record.
|
|
int index = indexOfTokenLocked(token);
|
|
if (index >= 0) {
|
|
ActivityRecord r = (ActivityRecord)mHistory.get(index);
|
|
|
|
if (fromTimeout) {
|
|
reportActivityLaunchedLocked(fromTimeout, r, -1, -1);
|
|
}
|
|
|
|
// This is a hack to semi-deal with a race condition
|
|
// in the client where it can be constructed with a
|
|
// newer configuration from when we asked it to launch.
|
|
// We'll update with whatever configuration it now says
|
|
// it used to launch.
|
|
if (config != null) {
|
|
r.configuration = config;
|
|
}
|
|
|
|
// No longer need to keep the device awake.
|
|
if (mResumedActivity == r && mLaunchingActivity.isHeld()) {
|
|
mHandler.removeMessages(LAUNCH_TIMEOUT_MSG);
|
|
mLaunchingActivity.release();
|
|
}
|
|
|
|
// We are now idle. If someone is waiting for a thumbnail from
|
|
// us, we can now deliver.
|
|
r.idle = true;
|
|
mService.scheduleAppGcsLocked();
|
|
if (r.thumbnailNeeded && r.app != null && r.app.thread != null) {
|
|
sendThumbnail = r.app.thread;
|
|
r.thumbnailNeeded = false;
|
|
}
|
|
|
|
// If this activity is fullscreen, set up to hide those under it.
|
|
|
|
if (DEBUG_VISBILITY) Slog.v(TAG, "Idle activity for " + r);
|
|
ensureActivitiesVisibleLocked(null, 0);
|
|
|
|
//Slog.i(TAG, "IDLE: mBooted=" + mBooted + ", fromTimeout=" + fromTimeout);
|
|
if (mMainStack) {
|
|
if (!mService.mBooted && !fromTimeout) {
|
|
mService.mBooted = true;
|
|
enableScreen = true;
|
|
}
|
|
}
|
|
|
|
} else if (fromTimeout) {
|
|
reportActivityLaunchedLocked(fromTimeout, null, -1, -1);
|
|
}
|
|
|
|
// Atomically retrieve all of the other things to do.
|
|
stops = processStoppingActivitiesLocked(true);
|
|
NS = stops != null ? stops.size() : 0;
|
|
if ((NF=mFinishingActivities.size()) > 0) {
|
|
finishes = new ArrayList<ActivityRecord>(mFinishingActivities);
|
|
mFinishingActivities.clear();
|
|
}
|
|
if ((NT=mService.mCancelledThumbnails.size()) > 0) {
|
|
thumbnails = new ArrayList<ActivityRecord>(mService.mCancelledThumbnails);
|
|
mService.mCancelledThumbnails.clear();
|
|
}
|
|
|
|
if (mMainStack) {
|
|
booting = mService.mBooting;
|
|
mService.mBooting = false;
|
|
}
|
|
}
|
|
|
|
int i;
|
|
|
|
// Send thumbnail if requested.
|
|
if (sendThumbnail != null) {
|
|
try {
|
|
sendThumbnail.requestThumbnail(token);
|
|
} catch (Exception e) {
|
|
Slog.w(TAG, "Exception thrown when requesting thumbnail", e);
|
|
mService.sendPendingThumbnail(null, token, null, null, true);
|
|
}
|
|
}
|
|
|
|
// Stop any activities that are scheduled to do so but have been
|
|
// waiting for the next one to start.
|
|
for (i=0; i<NS; i++) {
|
|
ActivityRecord r = (ActivityRecord)stops.get(i);
|
|
synchronized (mService) {
|
|
if (r.finishing) {
|
|
finishCurrentActivityLocked(r, FINISH_IMMEDIATELY);
|
|
} else {
|
|
stopActivityLocked(r);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Finish any activities that are scheduled to do so but have been
|
|
// waiting for the next one to start.
|
|
for (i=0; i<NF; i++) {
|
|
ActivityRecord r = (ActivityRecord)finishes.get(i);
|
|
synchronized (mService) {
|
|
destroyActivityLocked(r, true);
|
|
}
|
|
}
|
|
|
|
// Report back to any thumbnail receivers.
|
|
for (i=0; i<NT; i++) {
|
|
ActivityRecord r = (ActivityRecord)thumbnails.get(i);
|
|
mService.sendPendingThumbnail(r, null, null, null, true);
|
|
}
|
|
|
|
if (booting) {
|
|
mService.finishBooting();
|
|
}
|
|
|
|
mService.trimApplications();
|
|
//dump();
|
|
//mWindowManager.dump();
|
|
|
|
if (enableScreen) {
|
|
mService.enableScreenAfterBoot();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @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) {
|
|
if (DEBUG_RESULTS) Slog.v(
|
|
TAG, "Finishing activity: token=" + token
|
|
+ ", result=" + resultCode + ", data=" + resultData);
|
|
|
|
int index = indexOfTokenLocked(token);
|
|
if (index < 0) {
|
|
return false;
|
|
}
|
|
ActivityRecord r = (ActivityRecord)mHistory.get(index);
|
|
|
|
// Is this the last activity left?
|
|
boolean lastActivity = true;
|
|
for (int i=mHistory.size()-1; i>=0; i--) {
|
|
ActivityRecord p = (ActivityRecord)mHistory.get(i);
|
|
if (!p.finishing && p != r) {
|
|
lastActivity = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If this is the last activity, but it is the home activity, then
|
|
// just don't finish it.
|
|
if (lastActivity) {
|
|
if (r.intent.hasCategory(Intent.CATEGORY_HOME)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
finishActivityLocked(r, index, resultCode, resultData, reason);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @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 index,
|
|
int resultCode, Intent resultData, String reason) {
|
|
if (r.finishing) {
|
|
Slog.w(TAG, "Duplicate finish request for " + r);
|
|
return false;
|
|
}
|
|
|
|
r.finishing = true;
|
|
EventLog.writeEvent(EventLogTags.AM_FINISH_ACTIVITY,
|
|
System.identityHashCode(r),
|
|
r.task.taskId, r.shortComponentName, reason);
|
|
r.task.numActivities--;
|
|
if (index < (mHistory.size()-1)) {
|
|
ActivityRecord next = (ActivityRecord)mHistory.get(index+1);
|
|
if (next.task == r.task) {
|
|
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 (mMainStack) {
|
|
if (mService.mFocusedActivity == r) {
|
|
mService.setFocusedActivityLocked(topRunningActivityLocked(null));
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
if(r.pendingResults != null) {
|
|
r.pendingResults.clear();
|
|
r.pendingResults = null;
|
|
}
|
|
r.newIntents = null;
|
|
r.icicle = null;
|
|
|
|
if (mService.mPendingThumbnails.size() > 0) {
|
|
// 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.
|
|
mService.mCancelledThumbnails.add(r);
|
|
}
|
|
|
|
if (mResumedActivity == r) {
|
|
boolean endTask = index <= 0
|
|
|| ((ActivityRecord)mHistory.get(index-1)).task != r.task;
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare close transition: finishing " + r);
|
|
mService.mWindowManager.prepareAppTransition(endTask
|
|
? WindowManagerPolicy.TRANSIT_TASK_CLOSE
|
|
: WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE);
|
|
|
|
// Tell window manager to prepare for this one to be removed.
|
|
mService.mWindowManager.setAppVisibility(r, 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, index,
|
|
FINISH_AFTER_PAUSE) == null;
|
|
} else {
|
|
if (DEBUG_PAUSE) Slog.v(TAG, "Finish waiting for pause of: " + r);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private static final int FINISH_IMMEDIATELY = 0;
|
|
private static final int FINISH_AFTER_PAUSE = 1;
|
|
private static final int FINISH_AFTER_VISIBLE = 2;
|
|
|
|
private final ActivityRecord finishCurrentActivityLocked(ActivityRecord r,
|
|
int mode) {
|
|
final int index = indexOfTokenLocked(r);
|
|
if (index < 0) {
|
|
return null;
|
|
}
|
|
|
|
return finishCurrentActivityLocked(r, index, mode);
|
|
}
|
|
|
|
private final ActivityRecord finishCurrentActivityLocked(ActivityRecord r,
|
|
int index, int mode) {
|
|
// 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 (!mStoppingActivities.contains(r)) {
|
|
mStoppingActivities.add(r);
|
|
if (mStoppingActivities.size() > 3) {
|
|
// If we already have a few activities waiting to stop,
|
|
// then give up on things going idle and start clearing
|
|
// them out.
|
|
Message msg = Message.obtain();
|
|
msg.what = IDLE_NOW_MSG;
|
|
mHandler.sendMessage(msg);
|
|
}
|
|
}
|
|
r.state = ActivityState.STOPPING;
|
|
mService.updateOomAdjLocked();
|
|
return r;
|
|
}
|
|
|
|
// make sure the record is cleaned out of other places.
|
|
mStoppingActivities.remove(r);
|
|
mWaitingVisibleActivities.remove(r);
|
|
if (mResumedActivity == r) {
|
|
mResumedActivity = null;
|
|
}
|
|
final ActivityState prevState = r.state;
|
|
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.
|
|
return destroyActivityLocked(r, true) ? null : r;
|
|
} else {
|
|
// 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);
|
|
mFinishingActivities.add(r);
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
if (mResumedActivity == r) {
|
|
mResumedActivity = null;
|
|
}
|
|
if (mService.mFocusedActivity == r) {
|
|
mService.mFocusedActivity = null;
|
|
}
|
|
|
|
r.configDestroy = false;
|
|
r.frozenBeforeDestroy = false;
|
|
|
|
// Make sure this record is no longer in the pending finishes list.
|
|
// This could happen, for example, if we are trimming activities
|
|
// down to the max limit while they are still waiting to finish.
|
|
mFinishingActivities.remove(r);
|
|
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.clear();
|
|
r.pendingResults = null;
|
|
}
|
|
|
|
if (cleanServices) {
|
|
cleanUpActivityServicesLocked(r);
|
|
}
|
|
|
|
if (mService.mPendingThumbnails.size() > 0) {
|
|
// 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.
|
|
mService.mCancelledThumbnails.add(r);
|
|
}
|
|
|
|
// Get rid of any pending idle timeouts.
|
|
mHandler.removeMessages(PAUSE_TIMEOUT_MSG, r);
|
|
mHandler.removeMessages(IDLE_TIMEOUT_MSG, r);
|
|
}
|
|
|
|
private final void removeActivityFromHistoryLocked(ActivityRecord r) {
|
|
if (r.state != ActivityState.DESTROYED) {
|
|
mHistory.remove(r);
|
|
r.inHistory = false;
|
|
r.resultTo = null;
|
|
r.state = ActivityState.DESTROYED;
|
|
mService.mWindowManager.removeAppToken(r);
|
|
if (VALIDATE_TOKENS) {
|
|
mService.mWindowManager.validateAppTokens(mHistory);
|
|
}
|
|
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.removeConnectionLocked(c, null, r);
|
|
}
|
|
r.connections.clear();
|
|
r.connections = null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
if (DEBUG_SWITCH) Slog.v(
|
|
TAG, "Removing activity: token=" + r
|
|
+ ", app=" + (r.app != null ? r.app.processName : "(null)"));
|
|
EventLog.writeEvent(EventLogTags.AM_DESTROY_ACTIVITY,
|
|
System.identityHashCode(r),
|
|
r.task.taskId, r.shortComponentName);
|
|
|
|
boolean removedFromHistory = false;
|
|
|
|
cleanUpActivityLocked(r, false);
|
|
|
|
final boolean hadApp = r.app != null;
|
|
|
|
if (hadApp) {
|
|
if (removeFromApp) {
|
|
int idx = r.app.activities.indexOf(r);
|
|
if (idx >= 0) {
|
|
r.app.activities.remove(idx);
|
|
}
|
|
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.size() == 0) {
|
|
// No longer have activities, so update location in
|
|
// LRU list.
|
|
mService.updateLruProcessLocked(r.app, true, false);
|
|
}
|
|
}
|
|
|
|
boolean skipDestroy = false;
|
|
|
|
try {
|
|
if (DEBUG_SWITCH) Slog.i(TAG, "Destroying: " + r);
|
|
r.app.thread.scheduleDestroyActivity(r, 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.app = null;
|
|
r.nowVisible = false;
|
|
|
|
if (r.finishing && !skipDestroy) {
|
|
r.state = ActivityState.DESTROYING;
|
|
Message msg = mHandler.obtainMessage(DESTROY_TIMEOUT_MSG);
|
|
msg.obj = r;
|
|
mHandler.sendMessageDelayed(msg, DESTROY_TIMEOUT);
|
|
} else {
|
|
r.state = ActivityState.DESTROYED;
|
|
}
|
|
} else {
|
|
// remove this record from the history.
|
|
if (r.finishing) {
|
|
removeActivityFromHistoryLocked(r);
|
|
removedFromHistory = true;
|
|
} else {
|
|
r.state = ActivityState.DESTROYED;
|
|
}
|
|
}
|
|
|
|
r.configChangeFlags = 0;
|
|
|
|
if (!mLRUActivities.remove(r) && hadApp) {
|
|
Slog.w(TAG, "Activity " + r + " being finished, but not in LRU list");
|
|
}
|
|
|
|
return removedFromHistory;
|
|
}
|
|
|
|
final void activityDestroyed(IBinder token) {
|
|
synchronized (mService) {
|
|
mHandler.removeMessages(DESTROY_TIMEOUT_MSG, token);
|
|
|
|
int index = indexOfTokenLocked(token);
|
|
if (index >= 0) {
|
|
ActivityRecord r = (ActivityRecord)mHistory.get(index);
|
|
if (r.state == ActivityState.DESTROYING) {
|
|
final long origId = Binder.clearCallingIdentity();
|
|
removeActivityFromHistoryLocked(r);
|
|
Binder.restoreCallingIdentity(origId);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void removeHistoryRecordsForAppLocked(ArrayList list, ProcessRecord app) {
|
|
int i = list.size();
|
|
if (localLOGV) Slog.v(
|
|
TAG, "Removing app " + app + " from list " + list
|
|
+ " with " + i + " entries");
|
|
while (i > 0) {
|
|
i--;
|
|
ActivityRecord r = (ActivityRecord)list.get(i);
|
|
if (localLOGV) Slog.v(
|
|
TAG, "Record #" + i + " " + r + ": app=" + r.app);
|
|
if (r.app == app) {
|
|
if (localLOGV) Slog.v(TAG, "Removing this entry!");
|
|
list.remove(i);
|
|
}
|
|
}
|
|
}
|
|
|
|
void removeHistoryRecordsForAppLocked(ProcessRecord app) {
|
|
removeHistoryRecordsForAppLocked(mLRUActivities, app);
|
|
removeHistoryRecordsForAppLocked(mStoppingActivities, app);
|
|
removeHistoryRecordsForAppLocked(mWaitingVisibleActivities, app);
|
|
removeHistoryRecordsForAppLocked(mFinishingActivities, app);
|
|
}
|
|
|
|
final void moveTaskToFrontLocked(TaskRecord tr, ActivityRecord reason) {
|
|
if (DEBUG_SWITCH) Slog.v(TAG, "moveTaskToFront: " + tr);
|
|
|
|
final int task = tr.taskId;
|
|
int top = mHistory.size()-1;
|
|
|
|
if (top < 0 || ((ActivityRecord)mHistory.get(top)).task.taskId == task) {
|
|
// nothing to do!
|
|
return;
|
|
}
|
|
|
|
ArrayList moved = new ArrayList();
|
|
|
|
// Applying the affinities may have removed entries from the history,
|
|
// so get the size again.
|
|
top = mHistory.size()-1;
|
|
int pos = top;
|
|
|
|
// Shift all activities with this task up to the top
|
|
// of the stack, keeping them in the same internal order.
|
|
boolean first = true;
|
|
while (pos >= 0) {
|
|
ActivityRecord r = (ActivityRecord)mHistory.get(pos);
|
|
if (localLOGV) Slog.v(
|
|
TAG, "At " + pos + " ckp " + r.task + ": " + r);
|
|
if (r.task.taskId == task) {
|
|
if (localLOGV) Slog.v(TAG, "Removing and adding at " + top);
|
|
mHistory.remove(pos);
|
|
mHistory.add(top, r);
|
|
moved.add(0, r);
|
|
top--;
|
|
if (first && mMainStack) {
|
|
mService.addRecentTaskLocked(r.task);
|
|
first = false;
|
|
}
|
|
}
|
|
pos--;
|
|
}
|
|
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare to front transition: task=" + tr);
|
|
if (reason != null &&
|
|
(reason.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
|
|
ActivityRecord r = topRunningActivityLocked(null);
|
|
if (r != null) {
|
|
mNoAnimActivities.add(r);
|
|
}
|
|
} else {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_TASK_TO_FRONT);
|
|
}
|
|
|
|
mService.mWindowManager.moveAppTokensToTop(moved);
|
|
if (VALIDATE_TOKENS) {
|
|
mService.mWindowManager.validateAppTokens(mHistory);
|
|
}
|
|
|
|
finishTaskMoveLocked(task);
|
|
EventLog.writeEvent(EventLogTags.AM_TASK_TO_FRONT, task);
|
|
}
|
|
|
|
private final void finishTaskMoveLocked(int task) {
|
|
resumeTopActivityLocked(null);
|
|
}
|
|
|
|
/**
|
|
* 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 task The taskId to collect and move to the bottom.
|
|
* @return Returns true if the move completed, false if not.
|
|
*/
|
|
final boolean moveTaskToBackLocked(int task, ActivityRecord reason) {
|
|
Slog.i(TAG, "moveTaskToBack: " + task);
|
|
|
|
// 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 (mMainStack && mService.mController != null) {
|
|
ActivityRecord next = topRunningActivityLocked(null, task);
|
|
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;
|
|
}
|
|
if (!moveOK) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
ArrayList moved = new ArrayList();
|
|
|
|
if (DEBUG_TRANSITION) Slog.v(TAG,
|
|
"Prepare to back transition: task=" + task);
|
|
|
|
final int N = mHistory.size();
|
|
int bottom = 0;
|
|
int pos = 0;
|
|
|
|
// Shift all activities with this task down to the bottom
|
|
// of the stack, keeping them in the same internal order.
|
|
while (pos < N) {
|
|
ActivityRecord r = (ActivityRecord)mHistory.get(pos);
|
|
if (localLOGV) Slog.v(
|
|
TAG, "At " + pos + " ckp " + r.task + ": " + r);
|
|
if (r.task.taskId == task) {
|
|
if (localLOGV) Slog.v(TAG, "Removing and adding at " + (N-1));
|
|
mHistory.remove(pos);
|
|
mHistory.add(bottom, r);
|
|
moved.add(r);
|
|
bottom++;
|
|
}
|
|
pos++;
|
|
}
|
|
|
|
if (reason != null &&
|
|
(reason.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
|
|
ActivityRecord r = topRunningActivityLocked(null);
|
|
if (r != null) {
|
|
mNoAnimActivities.add(r);
|
|
}
|
|
} else {
|
|
mService.mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_TASK_TO_BACK);
|
|
}
|
|
mService.mWindowManager.moveAppTokensToBottom(moved);
|
|
if (VALIDATE_TOKENS) {
|
|
mService.mWindowManager.validateAppTokens(mHistory);
|
|
}
|
|
|
|
finishTaskMoveLocked(task);
|
|
return true;
|
|
}
|
|
|
|
private final void logStartActivity(int tag, ActivityRecord r,
|
|
TaskRecord task) {
|
|
EventLog.writeEvent(tag,
|
|
System.identityHashCode(r), task.taskId,
|
|
r.shortComponentName, r.intent.getAction(),
|
|
r.intent.getType(), r.intent.getDataString(),
|
|
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) {
|
|
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;
|
|
|
|
// 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);
|
|
return true;
|
|
}
|
|
|
|
// Figure out what has changed between the two configurations.
|
|
int changes = oldConfig.diff(newConfig);
|
|
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.configChanges)
|
|
+ ", newConfig=" + newConfig);
|
|
}
|
|
if ((changes&(~r.info.configChanges)) != 0) {
|
|
// Aha, the activity isn't handling the change, so DIE DIE DIE.
|
|
r.configChangeFlags |= changes;
|
|
r.startFreezingScreenLocked(r.app, globalChanges);
|
|
if (r.app == null || r.app.thread == null) {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Switch is destroying non-running " + r);
|
|
destroyActivityLocked(r, true);
|
|
} 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,
|
|
"Switch 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,
|
|
"Switch is restarting resumed " + r);
|
|
relaunchActivityLocked(r, r.configChangeFlags, true);
|
|
r.configChangeFlags = 0;
|
|
} else {
|
|
if (DEBUG_SWITCH || DEBUG_CONFIGURATION) Slog.v(TAG,
|
|
"Switch is restarting 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);
|
|
} catch (RemoteException e) {
|
|
// If process died, whatever.
|
|
}
|
|
}
|
|
r.stopFreezingScreenLocked(false);
|
|
|
|
return true;
|
|
}
|
|
|
|
private final 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, System.identityHashCode(r),
|
|
r.task.taskId, r.shortComponentName);
|
|
|
|
r.startFreezingScreenLocked(r.app, 0);
|
|
|
|
try {
|
|
if (DEBUG_SWITCH) Slog.i(TAG, "Switch is restarting resumed " + r);
|
|
r.app.thread.scheduleRelaunchActivity(r, results, newIntents,
|
|
changes, !andResume, 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) {
|
|
return false;
|
|
}
|
|
|
|
if (andResume) {
|
|
r.results = null;
|
|
r.newIntents = null;
|
|
if (mMainStack) {
|
|
mService.reportResumedActivityLocked(r);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|