| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.wm; |
| |
| import static android.Manifest.permission.START_ACTIVITIES_FROM_BACKGROUND; |
| import static android.app.Activity.RESULT_CANCELED; |
| import static android.app.ActivityManager.START_ABORTED; |
| import static android.app.ActivityManager.START_CANCELED; |
| import static android.app.ActivityManager.START_CLASS_NOT_FOUND; |
| import static android.app.ActivityManager.START_DELIVERED_TO_TOP; |
| import static android.app.ActivityManager.START_FLAG_ONLY_IF_NEEDED; |
| import static android.app.ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| import static android.app.ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| import static android.app.ActivityManager.START_SUCCESS; |
| import static android.app.ActivityManager.START_TASK_TO_FRONT; |
| import static android.app.WaitResult.LAUNCH_STATE_COLD; |
| import static android.app.WaitResult.LAUNCH_STATE_HOT; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP; |
| import static android.content.Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT; |
| import static android.content.Intent.FLAG_ACTIVITY_MULTIPLE_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_NEW_DOCUMENT; |
| import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION; |
| import static android.content.Intent.FLAG_ACTIVITY_NO_USER_ACTION; |
| import static android.content.Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP; |
| import static android.content.Intent.FLAG_ACTIVITY_REORDER_TO_FRONT; |
| import static android.content.Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED; |
| import static android.content.Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS; |
| import static android.content.Intent.FLAG_ACTIVITY_SINGLE_TOP; |
| import static android.content.Intent.FLAG_ACTIVITY_TASK_ON_HOME; |
| import static android.content.pm.ActivityInfo.DOCUMENT_LAUNCH_ALWAYS; |
| import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS; |
| import static android.content.pm.ActivityInfo.LAUNCH_SINGLE_INSTANCE; |
| import static android.content.pm.ActivityInfo.LAUNCH_SINGLE_TASK; |
| import static android.content.pm.ActivityInfo.LAUNCH_SINGLE_TOP; |
| import static android.content.pm.PackageManager.PERMISSION_GRANTED; |
| import static android.os.Process.INVALID_UID; |
| import static android.view.Display.DEFAULT_DISPLAY; |
| import static android.view.Display.INVALID_DISPLAY; |
| |
| import static com.android.server.wm.ActivityStack.ActivityState.RESUMED; |
| import static com.android.server.wm.ActivityStackSupervisor.DEFER_RESUME; |
| import static com.android.server.wm.ActivityStackSupervisor.ON_TOP; |
| import static com.android.server.wm.ActivityStackSupervisor.PRESERVE_WINDOWS; |
| import static com.android.server.wm.ActivityStackSupervisor.TAG_TASKS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_CONFIGURATION; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_PERMISSIONS_REVIEW; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_RESULTS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_TASKS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_USER_LEAVING; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_CONFIGURATION; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_FOCUS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_RESULTS; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.POSTFIX_USER_LEAVING; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_ATM; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.wm.ActivityTaskManagerService.ANIMATE; |
| import static com.android.server.wm.LaunchParamsController.LaunchParamsModifier.PHASE_BOUNDS; |
| import static com.android.server.wm.LaunchParamsController.LaunchParamsModifier.PHASE_DISPLAY; |
| import static com.android.server.wm.Task.REPARENT_MOVE_STACK_TO_FRONT; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.ActivityManager; |
| import android.app.ActivityOptions; |
| import android.app.IApplicationThread; |
| import android.app.PendingIntent; |
| import android.app.ProfilerInfo; |
| import android.app.WaitResult; |
| import android.content.IIntentSender; |
| import android.content.Intent; |
| import android.content.IntentSender; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.AuxiliaryResolveInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManagerInternal; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.UserInfo; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.Trace; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.service.voice.IVoiceInteractionSession; |
| import android.text.TextUtils; |
| import android.util.ArraySet; |
| import android.util.Pools.SynchronizedPool; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.app.HeavyWeightSwitcherActivity; |
| import com.android.internal.app.IVoiceInteractor; |
| import com.android.server.am.PendingIntentRecord; |
| import com.android.server.pm.InstantAppResolver; |
| import com.android.server.wm.ActivityMetricsLogger.LaunchingState; |
| import com.android.server.wm.ActivityStackSupervisor.PendingActivityLaunch; |
| import com.android.server.wm.LaunchParamsController.LaunchParams; |
| |
| import java.io.PrintWriter; |
| import java.text.DateFormat; |
| import java.util.Date; |
| |
| /** |
| * Controller for interpreting how and then launching an activity. |
| * |
| * This class collects all the logic for determining how an intent and flags should be turned into |
| * an activity and associated task and stack. |
| */ |
| class ActivityStarter { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStarter" : TAG_ATM; |
| private static final String TAG_RESULTS = TAG + POSTFIX_RESULTS; |
| private static final String TAG_FOCUS = TAG + POSTFIX_FOCUS; |
| private static final String TAG_CONFIGURATION = TAG + POSTFIX_CONFIGURATION; |
| private static final String TAG_USER_LEAVING = TAG + POSTFIX_USER_LEAVING; |
| private static final int INVALID_LAUNCH_MODE = -1; |
| |
| private final ActivityTaskManagerService mService; |
| private final RootWindowContainer mRootWindowContainer; |
| private final ActivityStackSupervisor mSupervisor; |
| private final ActivityStartInterceptor mInterceptor; |
| private final ActivityStartController mController; |
| |
| // Share state variable among methods when starting an activity. |
| @VisibleForTesting |
| ActivityRecord mStartActivity; |
| private Intent mIntent; |
| private int mCallingUid; |
| private ActivityOptions mOptions; |
| |
| // If it is true, background activity can only be started in an existing task that contains |
| // an activity with same uid, or if activity starts are enabled in developer options. |
| private boolean mRestrictedBgActivity; |
| |
| private int mLaunchMode; |
| private boolean mLaunchTaskBehind; |
| private int mLaunchFlags; |
| |
| private LaunchParams mLaunchParams = new LaunchParams(); |
| |
| private ActivityRecord mNotTop; |
| private boolean mDoResume; |
| private int mStartFlags; |
| private ActivityRecord mSourceRecord; |
| |
| // The display to launch the activity onto, barring any strong reason to do otherwise. |
| private int mPreferredDisplayId; |
| |
| private Task mInTask; |
| @VisibleForTesting |
| boolean mAddingToTask; |
| private Task mReuseTask; |
| |
| private ActivityInfo mNewTaskInfo; |
| private Intent mNewTaskIntent; |
| private ActivityStack mSourceStack; |
| private ActivityStack mTargetStack; |
| private boolean mMovedToFront; |
| private boolean mNoAnimation; |
| private boolean mKeepCurTransition; |
| private boolean mAvoidMoveToFront; |
| private boolean mFrozeTaskList; |
| |
| // We must track when we deliver the new intent since multiple code paths invoke |
| // {@link #deliverNewIntent}. This is due to early returns in the code path. This flag is used |
| // inside {@link #deliverNewIntent} to suppress duplicate requests and ensure the intent is |
| // delivered at most once. |
| private boolean mIntentDelivered; |
| |
| private IVoiceInteractionSession mVoiceSession; |
| private IVoiceInteractor mVoiceInteractor; |
| |
| // Last activity record we attempted to start |
| private ActivityRecord mLastStartActivityRecord; |
| // The result of the last activity we attempted to start. |
| private int mLastStartActivityResult; |
| // Time in milli seconds we attempted to start the last activity. |
| private long mLastStartActivityTimeMs; |
| // The reason we were trying to start the last activity |
| private String mLastStartReason; |
| |
| /* |
| * Request details provided through setter methods. Should be reset after {@link #execute()} |
| * to avoid unnecessarily retaining parameters. Note that the request is ignored when |
| * {@link #startResolvedActivity} is invoked directly. |
| */ |
| @VisibleForTesting |
| Request mRequest = new Request(); |
| |
| /** |
| * An interface that to provide {@link ActivityStarter} instances to the controller. This is |
| * used by tests to inject their own starter implementations for verification purposes. |
| */ |
| @VisibleForTesting |
| interface Factory { |
| /** |
| * Sets the {@link ActivityStartController} to be passed to {@link ActivityStarter}. |
| */ |
| void setController(ActivityStartController controller); |
| |
| /** |
| * Generates an {@link ActivityStarter} that is ready to handle a new start request. |
| * @param controller The {@link ActivityStartController} which the starter who will own |
| * this instance. |
| * @return an {@link ActivityStarter} |
| */ |
| ActivityStarter obtain(); |
| |
| /** |
| * Recycles a starter for reuse. |
| */ |
| void recycle(ActivityStarter starter); |
| } |
| |
| /** |
| * Default implementation of {@link StarterFactory}. |
| */ |
| static class DefaultFactory implements Factory { |
| /** |
| * The maximum count of starters that should be active at one time: |
| * 1. last ran starter (for logging and post activity processing) |
| * 2. current running starter |
| * 3. starter from re-entry in (2) |
| */ |
| private final int MAX_STARTER_COUNT = 3; |
| |
| private ActivityStartController mController; |
| private ActivityTaskManagerService mService; |
| private ActivityStackSupervisor mSupervisor; |
| private ActivityStartInterceptor mInterceptor; |
| |
| private SynchronizedPool<ActivityStarter> mStarterPool = |
| new SynchronizedPool<>(MAX_STARTER_COUNT); |
| |
| DefaultFactory(ActivityTaskManagerService service, |
| ActivityStackSupervisor supervisor, ActivityStartInterceptor interceptor) { |
| mService = service; |
| mSupervisor = supervisor; |
| mInterceptor = interceptor; |
| } |
| |
| @Override |
| public void setController(ActivityStartController controller) { |
| mController = controller; |
| } |
| |
| @Override |
| public ActivityStarter obtain() { |
| ActivityStarter starter = mStarterPool.acquire(); |
| |
| if (starter == null) { |
| starter = new ActivityStarter(mController, mService, mSupervisor, mInterceptor); |
| } |
| |
| return starter; |
| } |
| |
| @Override |
| public void recycle(ActivityStarter starter) { |
| starter.reset(true /* clearRequest*/); |
| mStarterPool.release(starter); |
| } |
| } |
| |
| /** |
| * Container for capturing initial start request details. This information is NOT reset until |
| * the {@link ActivityStarter} is recycled, allowing for multiple invocations with the same |
| * parameters. |
| * |
| * TODO(b/64750076): Investigate consolidating member variables of {@link ActivityStarter} with |
| * the request object. Note that some member variables are referenced in |
| * {@link #dump(PrintWriter, String)} and therefore cannot be cleared immediately after |
| * execution. |
| */ |
| @VisibleForTesting |
| static class Request { |
| private static final int DEFAULT_CALLING_UID = -1; |
| private static final int DEFAULT_CALLING_PID = 0; |
| static final int DEFAULT_REAL_CALLING_UID = -1; |
| static final int DEFAULT_REAL_CALLING_PID = 0; |
| |
| IApplicationThread caller; |
| Intent intent; |
| // A copy of the original requested intent, in case for ephemeral app launch. |
| Intent ephemeralIntent; |
| String resolvedType; |
| ActivityInfo activityInfo; |
| ResolveInfo resolveInfo; |
| IVoiceInteractionSession voiceSession; |
| IVoiceInteractor voiceInteractor; |
| IBinder resultTo; |
| String resultWho; |
| int requestCode; |
| int callingPid = DEFAULT_CALLING_PID; |
| int callingUid = DEFAULT_CALLING_UID; |
| String callingPackage; |
| int realCallingPid = DEFAULT_REAL_CALLING_PID; |
| int realCallingUid = DEFAULT_REAL_CALLING_UID; |
| int startFlags; |
| SafeActivityOptions activityOptions; |
| boolean ignoreTargetSecurity; |
| boolean componentSpecified; |
| boolean avoidMoveToFront; |
| ActivityRecord[] outActivity; |
| Task inTask; |
| String reason; |
| ProfilerInfo profilerInfo; |
| Configuration globalConfig; |
| int userId; |
| WaitResult waitResult; |
| int filterCallingUid; |
| PendingIntentRecord originatingPendingIntent; |
| boolean allowBackgroundActivityStart; |
| |
| /** |
| * If set to {@code true}, allows this activity start to look into |
| * {@link PendingRemoteAnimationRegistry} |
| */ |
| boolean allowPendingRemoteAnimationRegistryLookup; |
| |
| /** |
| * Ensure constructed request matches reset instance. |
| */ |
| Request() { |
| reset(); |
| } |
| |
| /** |
| * Sets values back to the initial state, clearing any held references. |
| */ |
| void reset() { |
| caller = null; |
| intent = null; |
| ephemeralIntent = null; |
| resolvedType = null; |
| activityInfo = null; |
| resolveInfo = null; |
| voiceSession = null; |
| voiceInteractor = null; |
| resultTo = null; |
| resultWho = null; |
| requestCode = 0; |
| callingPid = DEFAULT_CALLING_PID; |
| callingUid = DEFAULT_CALLING_UID; |
| callingPackage = null; |
| realCallingPid = DEFAULT_REAL_CALLING_PID; |
| realCallingUid = DEFAULT_REAL_CALLING_UID; |
| startFlags = 0; |
| activityOptions = null; |
| ignoreTargetSecurity = false; |
| componentSpecified = false; |
| outActivity = null; |
| inTask = null; |
| reason = null; |
| profilerInfo = null; |
| globalConfig = null; |
| userId = 0; |
| waitResult = null; |
| avoidMoveToFront = false; |
| allowPendingRemoteAnimationRegistryLookup = true; |
| filterCallingUid = UserHandle.USER_NULL; |
| originatingPendingIntent = null; |
| allowBackgroundActivityStart = false; |
| } |
| |
| /** |
| * Adopts all values from passed in request. |
| */ |
| void set(Request request) { |
| caller = request.caller; |
| intent = request.intent; |
| ephemeralIntent = request.ephemeralIntent; |
| resolvedType = request.resolvedType; |
| activityInfo = request.activityInfo; |
| resolveInfo = request.resolveInfo; |
| voiceSession = request.voiceSession; |
| voiceInteractor = request.voiceInteractor; |
| resultTo = request.resultTo; |
| resultWho = request.resultWho; |
| requestCode = request.requestCode; |
| callingPid = request.callingPid; |
| callingUid = request.callingUid; |
| callingPackage = request.callingPackage; |
| realCallingPid = request.realCallingPid; |
| realCallingUid = request.realCallingUid; |
| startFlags = request.startFlags; |
| activityOptions = request.activityOptions; |
| ignoreTargetSecurity = request.ignoreTargetSecurity; |
| componentSpecified = request.componentSpecified; |
| outActivity = request.outActivity; |
| inTask = request.inTask; |
| reason = request.reason; |
| profilerInfo = request.profilerInfo; |
| globalConfig = request.globalConfig; |
| userId = request.userId; |
| waitResult = request.waitResult; |
| avoidMoveToFront = request.avoidMoveToFront; |
| allowPendingRemoteAnimationRegistryLookup |
| = request.allowPendingRemoteAnimationRegistryLookup; |
| filterCallingUid = request.filterCallingUid; |
| originatingPendingIntent = request.originatingPendingIntent; |
| allowBackgroundActivityStart = request.allowBackgroundActivityStart; |
| } |
| |
| /** |
| * Resolve activity from the given intent for this launch. |
| */ |
| void resolveActivity(ActivityStackSupervisor supervisor) { |
| if (realCallingPid == Request.DEFAULT_REAL_CALLING_PID) { |
| realCallingPid = Binder.getCallingPid(); |
| } |
| if (realCallingUid == Request.DEFAULT_REAL_CALLING_UID) { |
| realCallingUid = Binder.getCallingUid(); |
| } |
| |
| if (callingUid >= 0) { |
| callingPid = -1; |
| } else if (caller == null) { |
| callingPid = realCallingPid; |
| callingUid = realCallingUid; |
| } else { |
| callingPid = callingUid = -1; |
| } |
| |
| // Save a copy in case ephemeral needs it |
| ephemeralIntent = new Intent(intent); |
| // Don't modify the client's object! |
| intent = new Intent(intent); |
| if (intent.getComponent() != null |
| && !(Intent.ACTION_VIEW.equals(intent.getAction()) && intent.getData() == null) |
| && !Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE.equals(intent.getAction()) |
| && !Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE.equals(intent.getAction()) |
| && supervisor.mService.getPackageManagerInternalLocked() |
| .isInstantAppInstallerComponent(intent.getComponent())) { |
| // Intercept intents targeted directly to the ephemeral installer the ephemeral |
| // installer should never be started with a raw Intent; instead adjust the intent |
| // so it looks like a "normal" instant app launch. |
| intent.setComponent(null /* component */); |
| } |
| |
| resolveInfo = supervisor.resolveIntent(intent, resolvedType, userId, |
| 0 /* matchFlags */, |
| computeResolveFilterUid(callingUid, realCallingUid, filterCallingUid)); |
| if (resolveInfo == null) { |
| final UserInfo userInfo = supervisor.getUserInfo(userId); |
| if (userInfo != null && userInfo.isManagedProfile()) { |
| // Special case for managed profiles, if attempting to launch non-cryto aware |
| // app in a locked managed profile from an unlocked parent allow it to resolve |
| // as user will be sent via confirm credentials to unlock the profile. |
| final UserManager userManager = UserManager.get(supervisor.mService.mContext); |
| boolean profileLockedAndParentUnlockingOrUnlocked = false; |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| final UserInfo parent = userManager.getProfileParent(userId); |
| profileLockedAndParentUnlockingOrUnlocked = (parent != null) |
| && userManager.isUserUnlockingOrUnlocked(parent.id) |
| && !userManager.isUserUnlockingOrUnlocked(userId); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| if (profileLockedAndParentUnlockingOrUnlocked) { |
| resolveInfo = supervisor.resolveIntent(intent, resolvedType, userId, |
| PackageManager.MATCH_DIRECT_BOOT_AWARE |
| | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, |
| computeResolveFilterUid(callingUid, realCallingUid, |
| filterCallingUid)); |
| } |
| } |
| } |
| |
| // Collect information about the target of the Intent. |
| activityInfo = supervisor.resolveActivity(intent, resolveInfo, startFlags, |
| profilerInfo); |
| } |
| } |
| |
| ActivityStarter(ActivityStartController controller, ActivityTaskManagerService service, |
| ActivityStackSupervisor supervisor, ActivityStartInterceptor interceptor) { |
| mController = controller; |
| mService = service; |
| mRootWindowContainer = service.mRootWindowContainer; |
| mSupervisor = supervisor; |
| mInterceptor = interceptor; |
| reset(true); |
| } |
| |
| /** |
| * Effectively duplicates the starter passed in. All state and request values will be |
| * mirrored. |
| * @param starter |
| */ |
| void set(ActivityStarter starter) { |
| mStartActivity = starter.mStartActivity; |
| mIntent = starter.mIntent; |
| mCallingUid = starter.mCallingUid; |
| mOptions = starter.mOptions; |
| mRestrictedBgActivity = starter.mRestrictedBgActivity; |
| |
| mLaunchTaskBehind = starter.mLaunchTaskBehind; |
| mLaunchFlags = starter.mLaunchFlags; |
| mLaunchMode = starter.mLaunchMode; |
| |
| mLaunchParams.set(starter.mLaunchParams); |
| |
| mNotTop = starter.mNotTop; |
| mDoResume = starter.mDoResume; |
| mStartFlags = starter.mStartFlags; |
| mSourceRecord = starter.mSourceRecord; |
| mPreferredDisplayId = starter.mPreferredDisplayId; |
| |
| mInTask = starter.mInTask; |
| mAddingToTask = starter.mAddingToTask; |
| mReuseTask = starter.mReuseTask; |
| |
| mNewTaskInfo = starter.mNewTaskInfo; |
| mNewTaskIntent = starter.mNewTaskIntent; |
| mSourceStack = starter.mSourceStack; |
| |
| mTargetStack = starter.mTargetStack; |
| mMovedToFront = starter.mMovedToFront; |
| mNoAnimation = starter.mNoAnimation; |
| mKeepCurTransition = starter.mKeepCurTransition; |
| mAvoidMoveToFront = starter.mAvoidMoveToFront; |
| mFrozeTaskList = starter.mFrozeTaskList; |
| |
| mVoiceSession = starter.mVoiceSession; |
| mVoiceInteractor = starter.mVoiceInteractor; |
| |
| mIntentDelivered = starter.mIntentDelivered; |
| |
| mRequest.set(starter.mRequest); |
| } |
| |
| boolean relatedToPackage(String packageName) { |
| return (mLastStartActivityRecord != null |
| && packageName.equals(mLastStartActivityRecord.packageName)) |
| || (mStartActivity != null && packageName.equals(mStartActivity.packageName)); |
| } |
| |
| /** |
| * Starts an activity based on the provided {@link ActivityRecord} and environment parameters. |
| * Note that this method is called internally as well as part of {@link #executeRequest}. |
| */ |
| void startResolvedActivity(final ActivityRecord r, ActivityRecord sourceRecord, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| int startFlags, boolean doResume, ActivityOptions options, Task inTask) { |
| try { |
| final LaunchingState launchingState = mSupervisor.getActivityMetricsLogger() |
| .notifyActivityLaunching(r.intent, r.resultTo); |
| mLastStartReason = "startResolvedActivity"; |
| mLastStartActivityTimeMs = System.currentTimeMillis(); |
| mLastStartActivityRecord = r; |
| mLastStartActivityResult = startActivityUnchecked(r, sourceRecord, voiceSession, |
| voiceInteractor, startFlags, doResume, options, inTask, |
| false /* restrictedBgActivity */); |
| mSupervisor.getActivityMetricsLogger().notifyActivityLaunched(launchingState, |
| mLastStartActivityResult, mLastStartActivityRecord); |
| } finally { |
| onExecutionComplete(); |
| } |
| } |
| |
| /** |
| * Resolve necessary information according the request parameters provided earlier, and execute |
| * the request which begin the journey of starting an activity. |
| * @return The starter result. |
| */ |
| int execute() { |
| try { |
| // Refuse possible leaked file descriptors |
| if (mRequest.intent != null && mRequest.intent.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| final LaunchingState launchingState; |
| synchronized (mService.mGlobalLock) { |
| final ActivityRecord caller = ActivityRecord.forTokenLocked(mRequest.resultTo); |
| launchingState = mSupervisor.getActivityMetricsLogger().notifyActivityLaunching( |
| mRequest.intent, caller); |
| } |
| |
| // Do not lock the resolving to avoid potential deadlock. |
| if (mRequest.activityInfo == null) { |
| mRequest.resolveActivity(mSupervisor); |
| } |
| |
| int res; |
| synchronized (mService.mGlobalLock) { |
| final ActivityStack stack = mRootWindowContainer.getTopDisplayFocusedStack(); |
| stack.mConfigWillChange = mRequest.globalConfig != null |
| && mService.getGlobalConfiguration().diff(mRequest.globalConfig) != 0; |
| if (DEBUG_CONFIGURATION) { |
| Slog.v(TAG_CONFIGURATION, "Starting activity when config will change = " |
| + stack.mConfigWillChange); |
| } |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| res = resolveToHeavyWeightSwitcherIfNeeded(); |
| if (res != START_SUCCESS) { |
| return res; |
| } |
| res = executeRequest(mRequest); |
| |
| Binder.restoreCallingIdentity(origId); |
| |
| if (stack.mConfigWillChange) { |
| // 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.mAmInternal.enforceCallingPermission( |
| android.Manifest.permission.CHANGE_CONFIGURATION, |
| "updateConfiguration()"); |
| stack.mConfigWillChange = false; |
| if (DEBUG_CONFIGURATION) { |
| Slog.v(TAG_CONFIGURATION, |
| "Updating to new configuration after starting activity."); |
| } |
| mService.updateConfigurationLocked(mRequest.globalConfig, null, false); |
| } |
| |
| // Notify ActivityMetricsLogger that the activity has launched. |
| // ActivityMetricsLogger will then wait for the windows to be drawn and populate |
| // WaitResult. |
| mSupervisor.getActivityMetricsLogger().notifyActivityLaunched(launchingState, res, |
| mLastStartActivityRecord); |
| return getExternalResult(mRequest.waitResult == null ? res |
| : waitForResult(res, mLastStartActivityRecord)); |
| } |
| } finally { |
| onExecutionComplete(); |
| } |
| } |
| |
| /** |
| * Updates the request to heavy-weight switch if this is a heavy-weight process while there |
| * already have another, different heavy-weight process running. |
| */ |
| private int resolveToHeavyWeightSwitcherIfNeeded() { |
| if (mRequest.activityInfo == null || !mService.mHasHeavyWeightFeature |
| || (mRequest.activityInfo.applicationInfo.privateFlags |
| & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) == 0) { |
| return START_SUCCESS; |
| } |
| |
| if (!mRequest.activityInfo.processName.equals( |
| mRequest.activityInfo.applicationInfo.packageName)) { |
| return START_SUCCESS; |
| } |
| |
| final WindowProcessController heavy = mService.mHeavyWeightProcess; |
| if (heavy == null || (heavy.mInfo.uid == mRequest.activityInfo.applicationInfo.uid |
| && heavy.mName.equals(mRequest.activityInfo.processName))) { |
| return START_SUCCESS; |
| } |
| |
| int appCallingUid = mRequest.callingUid; |
| if (mRequest.caller != null) { |
| WindowProcessController callerApp = mService.getProcessController(mRequest.caller); |
| if (callerApp != null) { |
| appCallingUid = callerApp.mInfo.uid; |
| } else { |
| Slog.w(TAG, "Unable to find app for caller " + mRequest.caller + " (pid=" |
| + mRequest.callingPid + ") when starting: " + mRequest.intent.toString()); |
| SafeActivityOptions.abort(mRequest.activityOptions); |
| return ActivityManager.START_PERMISSION_DENIED; |
| } |
| } |
| |
| final IIntentSender target = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, "android" /* packageName */, appCallingUid, |
| mRequest.userId, null /* token */, null /* resultWho*/, 0 /* requestCode*/, |
| new Intent[] { mRequest.intent }, new String[] { mRequest.resolvedType }, |
| PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_ONE_SHOT, |
| null /* bOptions */); |
| |
| final Intent newIntent = new Intent(); |
| if (mRequest.requestCode >= 0) { |
| // Caller is requesting a result. |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true); |
| } |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT, new IntentSender(target)); |
| heavy.updateIntentForHeavyWeightActivity(newIntent); |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP, |
| mRequest.activityInfo.packageName); |
| newIntent.setFlags(mRequest.intent.getFlags()); |
| newIntent.setClassName("android" /* packageName */, |
| HeavyWeightSwitcherActivity.class.getName()); |
| mRequest.intent = newIntent; |
| mRequest.resolvedType = null; |
| mRequest.caller = null; |
| mRequest.callingUid = Binder.getCallingUid(); |
| mRequest.callingPid = Binder.getCallingPid(); |
| mRequest.componentSpecified = true; |
| mRequest.resolveInfo = mSupervisor.resolveIntent(mRequest.intent, null /* resolvedType */, |
| mRequest.userId, 0 /* matchFlags */, |
| computeResolveFilterUid(mRequest.callingUid, mRequest.realCallingUid, |
| mRequest.filterCallingUid)); |
| mRequest.activityInfo = |
| mRequest.resolveInfo != null ? mRequest.resolveInfo.activityInfo : null; |
| if (mRequest.activityInfo != null) { |
| mRequest.activityInfo = mService.mAmInternal.getActivityInfoForUser( |
| mRequest.activityInfo, mRequest.userId); |
| } |
| |
| return START_SUCCESS; |
| } |
| |
| /** |
| * Wait for activity launch completes. |
| */ |
| private int waitForResult(int res, ActivityRecord r) { |
| mRequest.waitResult.result = res; |
| switch(res) { |
| case START_SUCCESS: { |
| mSupervisor.mWaitingActivityLaunched.add(mRequest.waitResult); |
| do { |
| try { |
| mService.mGlobalLock.wait(); |
| } catch (InterruptedException e) { |
| } |
| } while (mRequest.waitResult.result != START_TASK_TO_FRONT |
| && !mRequest.waitResult.timeout && mRequest.waitResult.who == null); |
| if (mRequest.waitResult.result == START_TASK_TO_FRONT) { |
| res = START_TASK_TO_FRONT; |
| } |
| break; |
| } |
| case START_DELIVERED_TO_TOP: { |
| mRequest.waitResult.timeout = false; |
| mRequest.waitResult.who = r.mActivityComponent; |
| mRequest.waitResult.totalTime = 0; |
| break; |
| } |
| case START_TASK_TO_FRONT: { |
| mRequest.waitResult.launchState = |
| r.attachedToProcess() ? LAUNCH_STATE_HOT : LAUNCH_STATE_COLD; |
| // ActivityRecord may represent a different activity, but it should not be |
| // in the resumed state. |
| if (r.nowVisible && r.isState(RESUMED)) { |
| mRequest.waitResult.timeout = false; |
| mRequest.waitResult.who = r.mActivityComponent; |
| mRequest.waitResult.totalTime = 0; |
| } else { |
| mSupervisor.waitActivityVisible(r.mActivityComponent, mRequest.waitResult); |
| // Note: the timeout variable is not currently not ever set. |
| do { |
| try { |
| mService.mGlobalLock.wait(); |
| } catch (InterruptedException e) { |
| } |
| } while (!mRequest.waitResult.timeout && mRequest.waitResult.who == null); |
| } |
| break; |
| } |
| } |
| return res; |
| } |
| |
| /** |
| * Executing activity start request and starts the journey of starting an activity. Here |
| * begins with performing several preliminary checks. The normally activity launch flow will |
| * go through {@link #startActivityUnchecked} to {@link #startActivityInner}. |
| */ |
| private int executeRequest(Request request) { |
| if (TextUtils.isEmpty(request.reason)) { |
| throw new IllegalArgumentException("Need to specify a reason."); |
| } |
| mLastStartReason = request.reason; |
| mLastStartActivityTimeMs = System.currentTimeMillis(); |
| mLastStartActivityRecord = null; |
| |
| final IApplicationThread caller = request.caller; |
| Intent intent = request.intent; |
| String resolvedType = request.resolvedType; |
| ActivityInfo aInfo = request.activityInfo; |
| ResolveInfo rInfo = request.resolveInfo; |
| final IVoiceInteractionSession voiceSession = request.voiceSession; |
| final IBinder resultTo = request.resultTo; |
| String resultWho = request.resultWho; |
| int requestCode = request.requestCode; |
| int callingPid = request.callingPid; |
| int callingUid = request.callingUid; |
| String callingPackage = request.callingPackage; |
| final int realCallingPid = request.realCallingPid; |
| final int realCallingUid = request.realCallingUid; |
| final int startFlags = request.startFlags; |
| final SafeActivityOptions options = request.activityOptions; |
| Task inTask = request.inTask; |
| |
| int err = ActivityManager.START_SUCCESS; |
| // Pull the optional Ephemeral Installer-only bundle out of the options early. |
| final Bundle verificationBundle = |
| options != null ? options.popAppVerificationBundle() : null; |
| |
| WindowProcessController callerApp = null; |
| if (caller != null) { |
| callerApp = mService.getProcessController(caller); |
| if (callerApp != null) { |
| callingPid = callerApp.getPid(); |
| callingUid = callerApp.mInfo.uid; |
| } else { |
| Slog.w(TAG, "Unable to find app for caller " + caller + " (pid=" + callingPid |
| + ") when starting: " + intent.toString()); |
| err = ActivityManager.START_PERMISSION_DENIED; |
| } |
| } |
| |
| final int userId = aInfo != null && aInfo.applicationInfo != null |
| ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0; |
| if (err == ActivityManager.START_SUCCESS) { |
| Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false) |
| + "} from uid " + callingUid); |
| } |
| |
| ActivityRecord sourceRecord = null; |
| ActivityRecord resultRecord = null; |
| if (resultTo != null) { |
| sourceRecord = mRootWindowContainer.isInAnyStack(resultTo); |
| if (DEBUG_RESULTS) { |
| Slog.v(TAG_RESULTS, "Will send result to " + resultTo + " " + sourceRecord); |
| } |
| if (sourceRecord != null) { |
| if (requestCode >= 0 && !sourceRecord.finishing) { |
| resultRecord = sourceRecord; |
| } |
| } |
| } |
| |
| final 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) { |
| SafeActivityOptions.abort(options); |
| return ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT; |
| } |
| resultRecord = sourceRecord.resultTo; |
| if (resultRecord != null && !resultRecord.isInStackLocked()) { |
| resultRecord = null; |
| } |
| resultWho = sourceRecord.resultWho; |
| requestCode = sourceRecord.requestCode; |
| sourceRecord.resultTo = null; |
| if (resultRecord != null) { |
| resultRecord.removeResultsLocked(sourceRecord, resultWho, requestCode); |
| } |
| if (sourceRecord.launchedFromUid == callingUid) { |
| // The new activity is being launched from the same uid as the previous activity |
| // in the flow, and asking to forward its result back to the previous. In this |
| // case the activity is serving as a trampoline between the two, so we also want |
| // to update its launchedFromPackage to be the same as the previous activity. |
| // Note that this is safe, since we know these two packages come from the same |
| // uid; the caller could just as well have supplied that same package name itself |
| // . This specifially deals with the case of an intent picker/chooser being |
| // launched in the app flow to redirect to an activity picked by the user, where |
| // we want the final activity to consider it to have been launched by the |
| // previous app activity. |
| callingPackage = sourceRecord.launchedFromPackage; |
| } |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) { |
| // We couldn't find a class that can handle the given Intent. |
| // That's the end of that! |
| err = ActivityManager.START_INTENT_NOT_RESOLVED; |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && aInfo == null) { |
| // We couldn't find the specific class specified in the Intent. |
| // Also the end of the line. |
| err = ActivityManager.START_CLASS_NOT_FOUND; |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && sourceRecord != null |
| && sourceRecord.getTask().voiceSession != null) { |
| // If this activity is being launched as part of a voice session, we need to ensure |
| // that it is safe to do so. If the upcoming activity will also be part of the voice |
| // session, we can only launch it if it has explicitly said it supports the VOICE |
| // category, or it is a part of the calling app. |
| if ((launchFlags & FLAG_ACTIVITY_NEW_TASK) == 0 |
| && sourceRecord.info.applicationInfo.uid != aInfo.applicationInfo.uid) { |
| try { |
| intent.addCategory(Intent.CATEGORY_VOICE); |
| if (!mService.getPackageManager().activitySupportsIntent( |
| intent.getComponent(), intent, resolvedType)) { |
| Slog.w(TAG, "Activity being started in current voice task does not support " |
| + "voice: " + intent); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failure checking voice capabilities", e); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && voiceSession != null) { |
| // If the caller is starting a new voice session, just make sure the target |
| // is actually allowing it to run this way. |
| try { |
| if (!mService.getPackageManager().activitySupportsIntent(intent.getComponent(), |
| intent, resolvedType)) { |
| Slog.w(TAG, |
| "Activity being started in new voice task does not support: " + intent); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failure checking voice capabilities", e); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } |
| |
| final ActivityStack resultStack = resultRecord == null |
| ? null : resultRecord.getActivityStack(); |
| |
| if (err != START_SUCCESS) { |
| if (resultRecord != null) { |
| resultRecord.sendResult(INVALID_UID, resultWho, requestCode, RESULT_CANCELED, |
| null /* data */); |
| } |
| SafeActivityOptions.abort(options); |
| return err; |
| } |
| |
| boolean abort = !mSupervisor.checkStartAnyActivityPermission(intent, aInfo, resultWho, |
| requestCode, callingPid, callingUid, callingPackage, request.ignoreTargetSecurity, |
| inTask != null, callerApp, resultRecord, resultStack); |
| abort |= !mService.mIntentFirewall.checkStartActivity(intent, callingUid, |
| callingPid, resolvedType, aInfo.applicationInfo); |
| abort |= !mService.getPermissionPolicyInternal().checkStartActivity(intent, callingUid, |
| callingPackage); |
| |
| boolean restrictedBgActivity = false; |
| if (!abort) { |
| try { |
| Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, |
| "shouldAbortBackgroundActivityStart"); |
| restrictedBgActivity = shouldAbortBackgroundActivityStart(callingUid, |
| callingPid, callingPackage, realCallingUid, realCallingPid, callerApp, |
| request.originatingPendingIntent, request.allowBackgroundActivityStart, |
| intent); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER); |
| } |
| } |
| |
| // Merge the two options bundles, while realCallerOptions takes precedence. |
| ActivityOptions checkedOptions = options != null |
| ? options.getOptions(intent, aInfo, callerApp, mSupervisor) : null; |
| if (request.allowPendingRemoteAnimationRegistryLookup) { |
| checkedOptions = mService.getActivityStartController() |
| .getPendingRemoteAnimationRegistry() |
| .overrideOptionsIfNeeded(callingPackage, checkedOptions); |
| } |
| if (mService.mController != null) { |
| 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; |
| } |
| } |
| |
| mInterceptor.setStates(userId, realCallingPid, realCallingUid, startFlags, callingPackage); |
| if (mInterceptor.intercept(intent, rInfo, aInfo, resolvedType, inTask, callingPid, |
| callingUid, checkedOptions)) { |
| // activity start was intercepted, e.g. because the target user is currently in quiet |
| // mode (turn off work) or the target application is suspended |
| intent = mInterceptor.mIntent; |
| rInfo = mInterceptor.mRInfo; |
| aInfo = mInterceptor.mAInfo; |
| resolvedType = mInterceptor.mResolvedType; |
| inTask = mInterceptor.mInTask; |
| callingPid = mInterceptor.mCallingPid; |
| callingUid = mInterceptor.mCallingUid; |
| checkedOptions = mInterceptor.mActivityOptions; |
| } |
| |
| if (abort) { |
| if (resultRecord != null) { |
| resultRecord.sendResult(INVALID_UID, resultWho, requestCode, RESULT_CANCELED, |
| null /* data */); |
| } |
| // We pretend to the caller that it was really started, but they will just get a |
| // cancel result. |
| ActivityOptions.abort(checkedOptions); |
| return START_ABORTED; |
| } |
| |
| // If permissions need a review before any of the app components can run, we |
| // launch the review activity and pass a pending intent to start the activity |
| // we are to launching now after the review is completed. |
| if (aInfo != null) { |
| if (mService.getPackageManagerInternalLocked().isPermissionsReviewRequired( |
| aInfo.packageName, userId)) { |
| final IIntentSender target = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, callingPackage, |
| callingUid, userId, null, null, 0, new Intent[]{intent}, |
| new String[]{resolvedType}, PendingIntent.FLAG_CANCEL_CURRENT |
| | PendingIntent.FLAG_ONE_SHOT, null); |
| |
| Intent newIntent = new Intent(Intent.ACTION_REVIEW_PERMISSIONS); |
| |
| int flags = intent.getFlags(); |
| flags |= Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS; |
| |
| /* |
| * Prevent reuse of review activity: Each app needs their own review activity. By |
| * default activities launched with NEW_TASK or NEW_DOCUMENT try to reuse activities |
| * with the same launch parameters (extras are ignored). Hence to avoid possible |
| * reuse force a new activity via the MULTIPLE_TASK flag. |
| * |
| * Activities that are not launched with NEW_TASK or NEW_DOCUMENT are not re-used, |
| * hence no need to add the flag in this case. |
| */ |
| if ((flags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_NEW_DOCUMENT)) != 0) { |
| flags |= Intent.FLAG_ACTIVITY_MULTIPLE_TASK; |
| } |
| newIntent.setFlags(flags); |
| |
| newIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, aInfo.packageName); |
| newIntent.putExtra(Intent.EXTRA_INTENT, new IntentSender(target)); |
| if (resultRecord != null) { |
| newIntent.putExtra(Intent.EXTRA_RESULT_NEEDED, true); |
| } |
| intent = newIntent; |
| |
| resolvedType = null; |
| callingUid = realCallingUid; |
| callingPid = realCallingPid; |
| |
| rInfo = mSupervisor.resolveIntent(intent, resolvedType, userId, 0, |
| computeResolveFilterUid( |
| callingUid, realCallingUid, request.filterCallingUid)); |
| aInfo = mSupervisor.resolveActivity(intent, rInfo, startFlags, |
| null /*profilerInfo*/); |
| |
| if (DEBUG_PERMISSIONS_REVIEW) { |
| final ActivityStack focusedStack = |
| mRootWindowContainer.getTopDisplayFocusedStack(); |
| Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, |
| true, false) + "} from uid " + callingUid + " on display " |
| + (focusedStack == null ? DEFAULT_DISPLAY |
| : focusedStack.getDisplayId())); |
| } |
| } |
| } |
| |
| // If we have an ephemeral app, abort the process of launching the resolved intent. |
| // Instead, launch the ephemeral installer. Once the installer is finished, it |
| // starts either the intent we resolved here [on install error] or the ephemeral |
| // app [on install success]. |
| if (rInfo != null && rInfo.auxiliaryInfo != null) { |
| intent = createLaunchIntent(rInfo.auxiliaryInfo, request.ephemeralIntent, |
| callingPackage, verificationBundle, resolvedType, userId); |
| resolvedType = null; |
| callingUid = realCallingUid; |
| callingPid = realCallingPid; |
| |
| aInfo = mSupervisor.resolveActivity(intent, rInfo, startFlags, null /*profilerInfo*/); |
| } |
| |
| final ActivityRecord r = new ActivityRecord(mService, callerApp, callingPid, callingUid, |
| callingPackage, intent, resolvedType, aInfo, mService.getGlobalConfiguration(), |
| resultRecord, resultWho, requestCode, request.componentSpecified, |
| voiceSession != null, mSupervisor, checkedOptions, sourceRecord); |
| mLastStartActivityRecord = r; |
| |
| if (r.appTimeTracker == null && sourceRecord != null) { |
| // If the caller didn't specify an explicit time tracker, we want to continue |
| // tracking under any it has. |
| r.appTimeTracker = sourceRecord.appTimeTracker; |
| } |
| |
| final ActivityStack stack = mRootWindowContainer.getTopDisplayFocusedStack(); |
| |
| // If we are starting an activity that is not from the same uid as the currently resumed |
| // one, check whether app switches are allowed. |
| if (voiceSession == null && (stack.getResumedActivity() == null |
| || stack.getResumedActivity().info.applicationInfo.uid != realCallingUid)) { |
| if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, |
| realCallingPid, realCallingUid, "Activity start")) { |
| if (!(restrictedBgActivity && handleBackgroundActivityAbort(r))) { |
| mController.addPendingActivityLaunch(new PendingActivityLaunch(r, |
| sourceRecord, startFlags, stack, callerApp)); |
| } |
| ActivityOptions.abort(checkedOptions); |
| return ActivityManager.START_SWITCHES_CANCELED; |
| } |
| } |
| |
| mService.onStartActivitySetDidAppSwitch(); |
| mController.doPendingActivityLaunches(false); |
| |
| mLastStartActivityResult = startActivityUnchecked(r, sourceRecord, voiceSession, |
| request.voiceInteractor, startFlags, true /* doResume */, checkedOptions, inTask, |
| restrictedBgActivity); |
| |
| if (request.outActivity != null) { |
| request.outActivity[0] = mLastStartActivityRecord; |
| } |
| |
| return mLastStartActivityResult; |
| } |
| |
| /** |
| * Return true if background activity is really aborted. |
| * |
| * TODO(b/131748165): Refactor the logic so we don't need to call this method everywhere. |
| */ |
| private boolean handleBackgroundActivityAbort(ActivityRecord r) { |
| // TODO(b/131747138): Remove toast and refactor related code in R release. |
| final boolean abort = !mService.isBackgroundActivityStartsEnabled(); |
| if (!abort) { |
| return false; |
| } |
| final ActivityRecord resultRecord = r.resultTo; |
| final String resultWho = r.resultWho; |
| int requestCode = r.requestCode; |
| if (resultRecord != null) { |
| resultRecord.sendResult(INVALID_UID, resultWho, requestCode, RESULT_CANCELED, |
| null /* data */); |
| } |
| // We pretend to the caller that it was really started to make it backward compatible, but |
| // they will just get a cancel result. |
| ActivityOptions.abort(r.pendingOptions); |
| return true; |
| } |
| |
| static int getExternalResult(int result) { |
| // Aborted results are treated as successes externally, but we must track them internally. |
| return result != START_ABORTED ? result : START_SUCCESS; |
| } |
| |
| /** |
| * Called when execution is complete. Sets state indicating completion and proceeds with |
| * recycling if appropriate. |
| */ |
| private void onExecutionComplete() { |
| mController.onExecutionComplete(this); |
| } |
| |
| boolean shouldAbortBackgroundActivityStart(int callingUid, int callingPid, |
| final String callingPackage, int realCallingUid, int realCallingPid, |
| WindowProcessController callerApp, PendingIntentRecord originatingPendingIntent, |
| boolean allowBackgroundActivityStart, Intent intent) { |
| // don't abort for the most important UIDs |
| final int callingAppId = UserHandle.getAppId(callingUid); |
| if (callingUid == Process.ROOT_UID || callingAppId == Process.SYSTEM_UID |
| || callingAppId == Process.NFC_UID) { |
| return false; |
| } |
| // don't abort if the callingUid has a visible window or is a persistent system process |
| final int callingUidProcState = mService.getUidState(callingUid); |
| final boolean callingUidHasAnyVisibleWindow = |
| mService.mWindowManager.mRoot.isAnyNonToastWindowVisibleForUid(callingUid); |
| final boolean isCallingUidForeground = callingUidHasAnyVisibleWindow |
| || callingUidProcState == ActivityManager.PROCESS_STATE_TOP |
| || callingUidProcState == ActivityManager.PROCESS_STATE_BOUND_TOP; |
| final boolean isCallingUidPersistentSystemProcess = |
| callingUidProcState <= ActivityManager.PROCESS_STATE_PERSISTENT_UI; |
| if (callingUidHasAnyVisibleWindow || isCallingUidPersistentSystemProcess) { |
| return false; |
| } |
| // take realCallingUid into consideration |
| final int realCallingUidProcState = (callingUid == realCallingUid) |
| ? callingUidProcState |
| : mService.getUidState(realCallingUid); |
| final boolean realCallingUidHasAnyVisibleWindow = (callingUid == realCallingUid) |
| ? callingUidHasAnyVisibleWindow |
| : mService.mWindowManager.mRoot.isAnyNonToastWindowVisibleForUid(realCallingUid); |
| final boolean isRealCallingUidForeground = (callingUid == realCallingUid) |
| ? isCallingUidForeground |
| : realCallingUidHasAnyVisibleWindow |
| || realCallingUidProcState == ActivityManager.PROCESS_STATE_TOP; |
| final int realCallingAppId = UserHandle.getAppId(realCallingUid); |
| final boolean isRealCallingUidPersistentSystemProcess = (callingUid == realCallingUid) |
| ? isCallingUidPersistentSystemProcess |
| : (realCallingAppId == Process.SYSTEM_UID) |
| || realCallingUidProcState <= ActivityManager.PROCESS_STATE_PERSISTENT_UI; |
| if (realCallingUid != callingUid) { |
| // don't abort if the realCallingUid has a visible window |
| if (realCallingUidHasAnyVisibleWindow) { |
| return false; |
| } |
| // if the realCallingUid is a persistent system process, abort if the IntentSender |
| // wasn't whitelisted to start an activity |
| if (isRealCallingUidPersistentSystemProcess && allowBackgroundActivityStart) { |
| return false; |
| } |
| // don't abort if the realCallingUid is an associated companion app |
| if (mService.isAssociatedCompanionApp(UserHandle.getUserId(realCallingUid), |
| realCallingUid)) { |
| return false; |
| } |
| } |
| // don't abort if the callingUid has START_ACTIVITIES_FROM_BACKGROUND permission |
| if (mService.checkPermission(START_ACTIVITIES_FROM_BACKGROUND, callingPid, callingUid) |
| == PERMISSION_GRANTED) { |
| return false; |
| } |
| // don't abort if the caller has the same uid as the recents component |
| if (mSupervisor.mRecentTasks.isCallerRecents(callingUid)) { |
| return false; |
| } |
| // don't abort if the callingUid is the device owner |
| if (mService.isDeviceOwner(callingUid)) { |
| return false; |
| } |
| // don't abort if the callingUid has companion device |
| final int callingUserId = UserHandle.getUserId(callingUid); |
| if (mService.isAssociatedCompanionApp(callingUserId, callingUid)) { |
| return false; |
| } |
| // If we don't have callerApp at this point, no caller was provided to startActivity(). |
| // That's the case for PendingIntent-based starts, since the creator's process might not be |
| // up and alive. If that's the case, we retrieve the WindowProcessController for the send() |
| // caller, so that we can make the decision based on its foreground/whitelisted state. |
| int callerAppUid = callingUid; |
| if (callerApp == null) { |
| callerApp = mService.getProcessController(realCallingPid, realCallingUid); |
| callerAppUid = realCallingUid; |
| } |
| // don't abort if the callerApp or other processes of that uid are whitelisted in any way |
| if (callerApp != null) { |
| // first check the original calling process |
| if (callerApp.areBackgroundActivityStartsAllowed()) { |
| return false; |
| } |
| // only if that one wasn't whitelisted, check the other ones |
| final ArraySet<WindowProcessController> uidProcesses = |
| mService.mProcessMap.getProcesses(callerAppUid); |
| if (uidProcesses != null) { |
| for (int i = uidProcesses.size() - 1; i >= 0; i--) { |
| final WindowProcessController proc = uidProcesses.valueAt(i); |
| if (proc != callerApp && proc.areBackgroundActivityStartsAllowed()) { |
| return false; |
| } |
| } |
| } |
| } |
| // don't abort if the callingUid has SYSTEM_ALERT_WINDOW permission |
| if (mService.hasSystemAlertWindowPermission(callingUid, callingPid, callingPackage)) { |
| Slog.w(TAG, "Background activity start for " + callingPackage |
| + " allowed because SYSTEM_ALERT_WINDOW permission is granted."); |
| return false; |
| } |
| // anything that has fallen through would currently be aborted |
| Slog.w(TAG, "Background activity start [callingPackage: " + callingPackage |
| + "; callingUid: " + callingUid |
| + "; isCallingUidForeground: " + isCallingUidForeground |
| + "; isCallingUidPersistentSystemProcess: " + isCallingUidPersistentSystemProcess |
| + "; realCallingUid: " + realCallingUid |
| + "; isRealCallingUidForeground: " + isRealCallingUidForeground |
| + "; isRealCallingUidPersistentSystemProcess: " |
| + isRealCallingUidPersistentSystemProcess |
| + "; originatingPendingIntent: " + originatingPendingIntent |
| + "; isBgStartWhitelisted: " + allowBackgroundActivityStart |
| + "; intent: " + intent |
| + "; callerApp: " + callerApp |
| + "]"); |
| // log aborted activity start to TRON |
| if (mService.isActivityStartsLoggingEnabled()) { |
| mSupervisor.getActivityMetricsLogger().logAbortedBgActivityStart(intent, callerApp, |
| callingUid, callingPackage, callingUidProcState, callingUidHasAnyVisibleWindow, |
| realCallingUid, realCallingUidProcState, realCallingUidHasAnyVisibleWindow, |
| (originatingPendingIntent != null)); |
| } |
| return true; |
| } |
| |
| /** |
| * Creates a launch intent for the given auxiliary resolution data. |
| */ |
| private @NonNull Intent createLaunchIntent(@Nullable AuxiliaryResolveInfo auxiliaryResponse, |
| Intent originalIntent, String callingPackage, Bundle verificationBundle, |
| String resolvedType, int userId) { |
| if (auxiliaryResponse != null && auxiliaryResponse.needsPhaseTwo) { |
| // request phase two resolution |
| PackageManagerInternal packageManager = mService.getPackageManagerInternalLocked(); |
| boolean isRequesterInstantApp = packageManager.isInstantApp(callingPackage, userId); |
| packageManager.requestInstantAppResolutionPhaseTwo( |
| auxiliaryResponse, originalIntent, resolvedType, callingPackage, |
| isRequesterInstantApp, verificationBundle, userId); |
| } |
| return InstantAppResolver.buildEphemeralInstallerIntent( |
| originalIntent, |
| InstantAppResolver.sanitizeIntent(originalIntent), |
| auxiliaryResponse == null ? null : auxiliaryResponse.failureIntent, |
| callingPackage, |
| verificationBundle, |
| resolvedType, |
| userId, |
| auxiliaryResponse == null ? null : auxiliaryResponse.installFailureActivity, |
| auxiliaryResponse == null ? null : auxiliaryResponse.token, |
| auxiliaryResponse != null && auxiliaryResponse.needsPhaseTwo, |
| auxiliaryResponse == null ? null : auxiliaryResponse.filters); |
| } |
| |
| void postStartActivityProcessing(ActivityRecord r, int result, |
| ActivityStack startedActivityStack) { |
| if (!ActivityManager.isStartResultSuccessful(result)) { |
| if (mFrozeTaskList) { |
| // If we specifically froze the task list as part of starting an activity, then |
| // reset the frozen list state if it failed to start. This is normally otherwise |
| // called when the freeze-timeout has elapsed. |
| mSupervisor.mRecentTasks.resetFreezeTaskListReorderingOnTimeout(); |
| } |
| } |
| if (ActivityManager.isStartResultFatalError(result)) { |
| return; |
| } |
| |
| // We're waiting for an activity launch to finish, but that activity simply |
| // brought another activity to front. We must also handle the case where the task is already |
| // in the front as a result of the trampoline activity being in the same task (it will be |
| // considered focused as the trampoline will be finished). Let them know about this, so |
| // it waits for the new activity to become visible instead, {@link #waitResultIfNeeded}. |
| mSupervisor.reportWaitingActivityLaunchedIfNeeded(r, result); |
| |
| if (startedActivityStack == null) { |
| return; |
| } |
| |
| final int clearTaskFlags = FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK; |
| boolean clearedTask = (mLaunchFlags & clearTaskFlags) == clearTaskFlags |
| && mReuseTask != null; |
| if (result == START_TASK_TO_FRONT || result == START_DELIVERED_TO_TOP || clearedTask) { |
| // The activity was already running so it wasn't started, but either brought to the |
| // front or the new intent was delivered to it since it was already in front. Notify |
| // anyone interested in this piece of information. |
| switch (startedActivityStack.getWindowingMode()) { |
| case WINDOWING_MODE_PINNED: |
| mService.getTaskChangeNotificationController().notifyPinnedActivityRestartAttempt( |
| clearedTask); |
| break; |
| case WINDOWING_MODE_SPLIT_SCREEN_PRIMARY: |
| final ActivityStack homeStack = |
| startedActivityStack.getDisplay().getHomeStack(); |
| if (homeStack != null && homeStack.shouldBeVisible(null /* starting */)) { |
| mService.mWindowManager.showRecentApps(); |
| } |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Compute the logical UID based on which the package manager would filter |
| * app components i.e. based on which the instant app policy would be applied |
| * because it is the logical calling UID. |
| * |
| * @param customCallingUid The UID on whose behalf to make the call. |
| * @param actualCallingUid The UID actually making the call. |
| * @param filterCallingUid The UID to be used to filter for instant apps. |
| * @return The logical UID making the call. |
| */ |
| static int computeResolveFilterUid(int customCallingUid, int actualCallingUid, |
| int filterCallingUid) { |
| return filterCallingUid != UserHandle.USER_NULL |
| ? filterCallingUid |
| : (customCallingUid >= 0 ? customCallingUid : actualCallingUid); |
| } |
| |
| /** |
| * Start an activity while most of preliminary checks has been done and caller has been |
| * confirmed that holds necessary permissions to do so. |
| * Here also ensures that the starting activity is removed if the start wasn't successful. |
| */ |
| private int startActivityUnchecked(final ActivityRecord r, ActivityRecord sourceRecord, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| int startFlags, boolean doResume, ActivityOptions options, Task inTask, |
| boolean restrictedBgActivity) { |
| int result = START_CANCELED; |
| final ActivityStack startedActivityStack; |
| try { |
| mService.deferWindowLayout(); |
| Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "startActivityInner"); |
| result = startActivityInner(r, sourceRecord, voiceSession, voiceInteractor, |
| startFlags, doResume, options, inTask, restrictedBgActivity); |
| } finally { |
| Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER); |
| startedActivityStack = handleStartResult(r, result); |
| mService.continueWindowLayout(); |
| } |
| |
| postStartActivityProcessing(r, result, startedActivityStack); |
| |
| return result; |
| } |
| |
| /** |
| * If the start result is success, ensure that the configuration of the started activity matches |
| * the current display. Otherwise clean up unassociated containers to avoid leakage. |
| * |
| * @return the stack where the successful started activity resides. |
| */ |
| private @Nullable ActivityStack handleStartResult(@NonNull ActivityRecord started, int result) { |
| final ActivityStack currentStack = started.getActivityStack(); |
| ActivityStack startedActivityStack = currentStack != null ? currentStack : mTargetStack; |
| |
| if (ActivityManager.isStartResultSuccessful(result)) { |
| if (startedActivityStack != null) { |
| // If there is no state change (e.g. a resumed activity is reparented to top of |
| // another display) to trigger a visibility/configuration checking, we have to |
| // update the configuration for changing to different display. |
| final ActivityRecord currentTop = startedActivityStack.topRunningActivity(); |
| if (currentTop != null && currentTop.shouldUpdateConfigForDisplayChanged()) { |
| mRootWindowContainer.ensureVisibilityAndConfig( |
| currentTop, currentTop.getDisplayId(), |
| true /* markFrozenIfConfigChanged */, false /* deferResume */); |
| } |
| } |
| return startedActivityStack; |
| } |
| |
| // If we are not able to proceed, disassociate the activity from the task. Leaving an |
| // activity in an incomplete state can lead to issues, such as performing operations |
| // without a window container. |
| final ActivityStack stack = mStartActivity.getActivityStack(); |
| if (stack != null) { |
| mStartActivity.finishIfPossible("startActivity", true /* oomAdj */); |
| } |
| |
| // Stack should also be detached from display and be removed if it's empty. |
| if (startedActivityStack != null && startedActivityStack.isAttached() |
| && !startedActivityStack.hasActivity() |
| && !startedActivityStack.isActivityTypeHome()) { |
| startedActivityStack.removeIfPossible(); |
| startedActivityStack = null; |
| } |
| return startedActivityStack; |
| } |
| |
| /** |
| * Start an activity and determine if the activity should be adding to the top of an existing |
| * task or delivered new intent to an existing activity. Also manipulating the activity task |
| * onto requested or valid stack/display. |
| * |
| * Note: This method should only be called from {@link #startActivityUnchecked}. |
| */ |
| private int startActivityInner(final ActivityRecord r, ActivityRecord sourceRecord, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| int startFlags, boolean doResume, ActivityOptions options, Task inTask, |
| boolean restrictedBgActivity) { |
| setInitialState(r, options, inTask, doResume, startFlags, sourceRecord, voiceSession, |
| voiceInteractor, restrictedBgActivity); |
| |
| final int preferredWindowingMode = mLaunchParams.mWindowingMode; |
| |
| computeLaunchingTaskFlags(); |
| |
| computeSourceStack(); |
| |
| mIntent.setFlags(mLaunchFlags); |
| |
| final Task reusedTask = getReusableTask(); |
| |
| // If requested, freeze the task list |
| if (mOptions != null && mOptions.freezeRecentTasksReordering() |
| && mSupervisor.mRecentTasks.isCallerRecents(r.launchedFromUid) |
| && !mSupervisor.mRecentTasks.isFreezeTaskListReorderingSet()) { |
| mFrozeTaskList = true; |
| mSupervisor.mRecentTasks.setFreezeTaskListReordering(); |
| } |
| |
| // Compute if there is an existing task that should be used for. |
| final Task targetTask = reusedTask != null ? reusedTask : computeTargetTask(); |
| final boolean newTask = targetTask == null; |
| |
| computeLaunchParams(r, sourceRecord, targetTask); |
| |
| // Check if starting activity on given task or on a new task is allowed. |
| int startResult = isAllowedToStart(r, newTask, targetTask); |
| if (startResult != START_SUCCESS) { |
| return startResult; |
| } |
| |
| final ActivityRecord targetTaskTop = newTask |
| ? null : targetTask.getTopNonFinishingActivity(); |
| if (targetTaskTop != null) { |
| // Recycle the target task for this launch. |
| startResult = recycleTask(targetTask, targetTaskTop, reusedTask); |
| if (startResult != START_SUCCESS) { |
| return startResult; |
| } |
| } else { |
| mAddingToTask = true; |
| } |
| |
| // 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. |
| final ActivityStack topStack = mRootWindowContainer.getTopDisplayFocusedStack(); |
| startResult = deliverToCurrentTopIfNeeded(topStack); |
| if (startResult != START_SUCCESS) { |
| return startResult; |
| } |
| |
| if (mTargetStack == null) { |
| mTargetStack = getLaunchStack(mStartActivity, mLaunchFlags, targetTask, mOptions); |
| } |
| if (newTask) { |
| final Task taskToAffiliate = (mLaunchTaskBehind && mSourceRecord != null) |
| ? mSourceRecord.getTask() : null; |
| setNewTask(taskToAffiliate); |
| if (mService.getLockTaskController().isLockTaskModeViolation( |
| mStartActivity.getTask())) { |
| Slog.e(TAG, "Attempted Lock Task Mode violation mStartActivity=" + mStartActivity); |
| return START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| } else if (mAddingToTask) { |
| addOrReparentStartingActivity(targetTask, "adding to task"); |
| } |
| |
| if (!mAvoidMoveToFront && mDoResume) { |
| mTargetStack.moveToFront("reuseOrNewTask"); |
| } |
| |
| mService.mUgmInternal.grantUriPermissionFromIntent(mCallingUid, mStartActivity.packageName, |
| mIntent, mStartActivity.getUriPermissionsLocked(), mStartActivity.mUserId); |
| mService.getPackageManagerInternalLocked().grantImplicitAccess( |
| mStartActivity.mUserId, mIntent, |
| mCallingUid, |
| UserHandle.getAppId(mStartActivity.info.applicationInfo.uid) |
| ); |
| if (newTask) { |
| EventLogTags.writeWmCreateTask(mStartActivity.mUserId, |
| mStartActivity.getTask().mTaskId); |
| } |
| mStartActivity.logStartActivity( |
| EventLogTags.WM_CREATE_ACTIVITY, mStartActivity.getTask()); |
| |
| mTargetStack.mLastPausedActivity = null; |
| |
| mRootWindowContainer.sendPowerHintForLaunchStartIfNeeded( |
| false /* forceSend */, mStartActivity); |
| |
| mTargetStack.startActivityLocked(mStartActivity, topStack.getTopNonFinishingActivity(), |
| newTask, mKeepCurTransition, mOptions); |
| if (mDoResume) { |
| final ActivityRecord topTaskActivity = |
| mStartActivity.getTask().topRunningActivityLocked(); |
| if (!mTargetStack.isFocusable() |
| || (topTaskActivity != null && topTaskActivity.isTaskOverlay() |
| && mStartActivity != topTaskActivity)) { |
| // If the activity is not focusable, we can't resume it, but still would like to |
| // make sure it becomes visible as it starts (this will also trigger entry |
| // animation). An example of this are PIP activities. |
| // Also, we don't want to resume activities in a task that currently has an overlay |
| // as the starting activity just needs to be in the visible paused state until the |
| // over is removed. |
| mTargetStack.ensureActivitiesVisible(mStartActivity, 0, !PRESERVE_WINDOWS); |
| // Go ahead and tell window manager to execute app transition for this activity |
| // since the app transition will not be triggered through the resume channel. |
| mTargetStack.getDisplay().mDisplayContent.executeAppTransition(); |
| } else { |
| // If the target stack was not previously focusable (previous top running activity |
| // on that stack was not visible) then any prior calls to move the stack to the |
| // will not update the focused stack. If starting the new activity now allows the |
| // task stack to be focusable, then ensure that we now update the focused stack |
| // accordingly. |
| if (mTargetStack.isFocusable() |
| && !mRootWindowContainer.isTopDisplayFocusedStack(mTargetStack)) { |
| mTargetStack.moveToFront("startActivityInner"); |
| } |
| mRootWindowContainer.resumeFocusedStacksTopActivities( |
| mTargetStack, mStartActivity, mOptions); |
| } |
| } else if (mStartActivity != null) { |
| mSupervisor.mRecentTasks.add(mStartActivity.getTask()); |
| } |
| mRootWindowContainer.updateUserStack(mStartActivity.mUserId, mTargetStack); |
| |
| mSupervisor.handleNonResizableTaskIfNeeded(mStartActivity.getTask(), |
| preferredWindowingMode, mPreferredDisplayId, mTargetStack); |
| |
| return START_SUCCESS; |
| } |
| |
| private Task computeTargetTask() { |
| if (mStartActivity.resultTo == null && mInTask == null && !mAddingToTask |
| && (mLaunchFlags & FLAG_ACTIVITY_NEW_TASK) != 0) { |
| // A new task should be created instead of using existing one. |
| return null; |
| } else if (mSourceRecord != null) { |
| return mSourceRecord.getTask(); |
| } else if (mInTask != null) { |
| return mInTask; |
| } else { |
| final ActivityStack stack = getLaunchStack(mStartActivity, mLaunchFlags, |
| null /* task */, mOptions); |
| final ActivityRecord top = stack.getTopNonFinishingActivity(); |
| if (top != null) { |
| return top.getTask(); |
| } else { |
| // Remove the stack if no activity in the stack. |
| stack.removeIfPossible(); |
| } |
| } |
| return null; |
| } |
| |
| private void computeLaunchParams(ActivityRecord r, ActivityRecord sourceRecord, |
| Task targetTask) { |
| final ActivityStack sourceStack = mSourceStack != null ? mSourceStack |
| : mRootWindowContainer.getTopDisplayFocusedStack(); |
| if (sourceStack != null && sourceStack.inSplitScreenWindowingMode() |
| && (mOptions == null |
| || mOptions.getLaunchWindowingMode() == WINDOWING_MODE_UNDEFINED)) { |
| int windowingMode = |
| targetTask != null ? targetTask.getWindowingMode() : WINDOWING_MODE_UNDEFINED; |
| if ((mLaunchFlags & FLAG_ACTIVITY_LAUNCH_ADJACENT) != 0) { |
| if (sourceStack.inSplitScreenPrimaryWindowingMode()) { |
| windowingMode = WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| } else if (sourceStack.inSplitScreenSecondaryWindowingMode()) { |
| windowingMode = WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| } |
| } |
| |
| if (mOptions == null) { |
| mOptions = ActivityOptions.makeBasic(); |
| } |
| mOptions.setLaunchWindowingMode(windowingMode); |
| } |
| |
| mSupervisor.getLaunchParamsController().calculate(targetTask, r.info.windowLayout, r, |
| sourceRecord, mOptions, PHASE_BOUNDS, mLaunchParams); |
| mPreferredDisplayId = |
| mLaunchParams.hasPreferredDisplay() ? mLaunchParams.mPreferredDisplayId |
| : DEFAULT_DISPLAY; |
| } |
| |
| private int isAllowedToStart(ActivityRecord r, boolean newTask, Task targetTask) { |
| if (mStartActivity.packageName == null) { |
| if (mStartActivity.resultTo != null) { |
| mStartActivity.resultTo.sendResult(INVALID_UID, mStartActivity.resultWho, |
| mStartActivity.requestCode, RESULT_CANCELED, null /* data */); |
| } |
| ActivityOptions.abort(mOptions); |
| return START_CLASS_NOT_FOUND; |
| } |
| |
| // Do not start home activity if it cannot be launched on preferred display. We are not |
| // doing this in ActivityStackSupervisor#canPlaceEntityOnDisplay because it might |
| // fallback to launch on other displays. |
| if (r.isActivityTypeHome() && !mRootWindowContainer.canStartHomeOnDisplay(r.info, |
| mPreferredDisplayId, true /* allowInstrumenting */)) { |
| Slog.w(TAG, "Cannot launch home on display " + mPreferredDisplayId); |
| return START_CANCELED; |
| } |
| |
| if (mRestrictedBgActivity && (newTask || !targetTask.isUidPresent(mCallingUid)) |
| && handleBackgroundActivityAbort(mStartActivity)) { |
| Slog.e(TAG, "Abort background activity starts from " + mCallingUid); |
| return START_ABORTED; |
| } |
| |
| // When the flags NEW_TASK and CLEAR_TASK are set, then the task gets reused but still |
| // needs to be a lock task mode violation since the task gets cleared out and the device |
| // would otherwise leave the locked task. |
| final boolean isNewClearTask = |
| (mLaunchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK); |
| if (!newTask && mService.getLockTaskController().isLockTaskModeViolation(targetTask, |
| isNewClearTask)) { |
| Slog.e(TAG, "Attempted Lock Task Mode violation mStartActivity=" + mStartActivity); |
| return START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| |
| return START_SUCCESS; |
| } |
| |
| /** |
| * Prepare the target task to be reused for this launch, which including: |
| * - Position the target task on valid stack on preferred display. |
| * - Comply to the specified activity launch flags |
| * - Determine whether need to add a new activity on top or just brought the task to front. |
| */ |
| @VisibleForTesting |
| int recycleTask(Task targetTask, ActivityRecord targetTaskTop, Task reusedTask) { |
| // Should not recycle task which is from a different user, just adding the starting |
| // activity to the task. |
| if (targetTask.mUserId != mStartActivity.mUserId) { |
| mTargetStack = targetTask.getStack(); |
| mAddingToTask = true; |
| return START_SUCCESS; |
| } |
| |
| boolean clearTaskForReuse = false; |
| if (reusedTask != null) { |
| if (mStartActivity.getTask() == null) { |
| mStartActivity.setTaskForReuse(reusedTask); |
| clearTaskForReuse = true; |
| } |
| |
| if (targetTask.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. |
| targetTask.setIntent(mStartActivity); |
| } else { |
| final boolean taskOnHome = |
| (mStartActivity.intent.getFlags() & FLAG_ACTIVITY_TASK_ON_HOME) != 0; |
| if (taskOnHome) { |
| targetTask.intent.addFlags(FLAG_ACTIVITY_TASK_ON_HOME); |
| } else { |
| targetTask.intent.removeFlags(FLAG_ACTIVITY_TASK_ON_HOME); |
| } |
| } |
| } |
| |
| mRootWindowContainer.sendPowerHintForLaunchStartIfNeeded(false /* forceSend */, |
| targetTaskTop); |
| |
| setTargetStackIfNeeded(targetTaskTop); |
| |
| // When there is a reused activity and the current result is a trampoline activity, |
| // set the reused activity as the result. |
| if (mLastStartActivityRecord != null |
| && (mLastStartActivityRecord.finishing || mLastStartActivityRecord.noDisplay)) { |
| mLastStartActivityRecord = targetTaskTop; |
| } |
| |
| if ((mStartFlags & START_FLAG_ONLY_IF_NEEDED) != 0) { |
| // 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 (!mMovedToFront && mDoResume) { |
| if (DEBUG_TASKS) { |
| Slog.d(TAG_TASKS, "Bring to front target: " + mTargetStack |
| + " from " + targetTaskTop); |
| } |
| mTargetStack.moveToFront("intentActivityFound"); |
| } |
| resumeTargetStackIfNeeded(); |
| return START_RETURN_INTENT_TO_CALLER; |
| } |
| |
| complyActivityFlags(targetTask, |
| reusedTask != null ? reusedTask.getTopNonFinishingActivity() : null); |
| |
| if (clearTaskForReuse) { |
| // Clear task for re-use so later code to methods |
| // {@link #setTaskFromReuseOrCreateNewTask}, {@link #setTaskFromSourceRecord}, or |
| // {@link #setTaskFromInTask} can parent it to the task. |
| mStartActivity.setTaskForReuse(null); |
| } |
| |
| if (mAddingToTask) { |
| return START_SUCCESS; |
| } |
| |
| if (mMovedToFront) { |
| // We moved the task to front, use starting window to hide initial drawn delay. |
| targetTaskTop.showStartingWindow(null /* prev */, false /* newTask */, |
| true /* taskSwitch */); |
| } else if (mDoResume) { |
| // Make sure the stack and its belonging display are moved to topmost. |
| mTargetStack.moveToFront("intentActivityFound"); |
| } |
| // 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. |
| resumeTargetStackIfNeeded(); |
| // The reusedActivity could be finishing, for example of starting an activity with |
| // FLAG_ACTIVITY_CLEAR_TOP flag. In that case, return the top running activity in the |
| // task instead. |
| mLastStartActivityRecord = |
| targetTaskTop.finishing ? targetTask.getTopNonFinishingActivity() : targetTaskTop; |
| return mMovedToFront ? START_TASK_TO_FRONT : START_DELIVERED_TO_TOP; |
| } |
| |
| /** |
| * Check if the activity being launched is the same as the one currently at the top and it |
| * should only be launched once. |
| */ |
| private int deliverToCurrentTopIfNeeded(ActivityStack topStack) { |
| final ActivityRecord top = topStack.topRunningNonDelayedActivityLocked(mNotTop); |
| final boolean dontStart = top != null && mStartActivity.resultTo == null |
| && top.mActivityComponent.equals(mStartActivity.mActivityComponent) |
| && top.mUserId == mStartActivity.mUserId |
| && top.attachedToProcess() |
| && ((mLaunchFlags & FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| || isLaunchModeOneOf(LAUNCH_SINGLE_TOP, LAUNCH_SINGLE_TASK)) |
| // This allows home activity to automatically launch on secondary display when |
| // display added, if home was the top activity on default display, instead of |
| // sending new intent to the home activity on default display. |
| && (!top.isActivityTypeHome() || top.getDisplayId() == mPreferredDisplayId); |
| if (!dontStart) { |
| return START_SUCCESS; |
| } |
| |
| // For paranoia, make sure we have correctly resumed the top activity. |
| topStack.mLastPausedActivity = null; |
| if (mDoResume) { |
| mRootWindowContainer.resumeFocusedStacksTopActivities(); |
| } |
| ActivityOptions.abort(mOptions); |
| if ((mStartFlags & START_FLAG_ONLY_IF_NEEDED) != 0) { |
| // 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; |
| } |
| |
| deliverNewIntent(top); |
| |
| // Don't use mStartActivity.task to show the toast. We're not starting a new activity but |
| // reusing 'top'. Fields in mStartActivity may not be fully initialized. |
| mSupervisor.handleNonResizableTaskIfNeeded(top.getTask(), |
| mLaunchParams.mWindowingMode, mPreferredDisplayId, topStack); |
| |
| return START_DELIVERED_TO_TOP; |
| } |
| |
| /** |
| * Applying the launching flags to the task, which might clear few or all the activities in the |
| * task. |
| */ |
| private void complyActivityFlags(Task targetTask, ActivityRecord reusedActivity) { |
| ActivityRecord targetTaskTop = targetTask.getTopNonFinishingActivity(); |
| final boolean resetTask = |
| reusedActivity != null && (mLaunchFlags & FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0; |
| if (resetTask) { |
| targetTaskTop = mTargetStack.resetTaskIfNeeded(targetTaskTop, mStartActivity); |
| } |
| |
| if ((mLaunchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) { |
| // The caller has requested to completely replace any existing task with its new |
| // activity. Well that should not be too hard... |
| // Note: we must persist the {@link Task} first as intentActivity could be |
| // removed from calling performClearTaskLocked (For example, if it is being brought out |
| // of history or if it is finished immediately), thus disassociating the task. Also note |
| // that mReuseTask is reset as a result of {@link Task#performClearTaskLocked} |
| // launching another activity. |
| // TODO(b/36119896): We shouldn't trigger activity launches in this path since we are |
| // already launching one. |
| targetTask.performClearTaskLocked(); |
| targetTask.setIntent(mStartActivity); |
| mAddingToTask = true; |
| } else if ((mLaunchFlags & FLAG_ACTIVITY_CLEAR_TOP) != 0 |
| || isDocumentLaunchesIntoExisting(mLaunchFlags) |
| || isLaunchModeOneOf(LAUNCH_SINGLE_INSTANCE, LAUNCH_SINGLE_TASK)) { |
| // 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. |
| final ActivityRecord top = targetTask.performClearTaskForReuseLocked(mStartActivity, |
| mLaunchFlags); |
| |
| // The above code can remove {@code reusedActivity} from the task, leading to the |
| // {@code ActivityRecord} removing its reference to the {@code Task}. The task |
| // reference is needed in the call below to {@link setTargetStackAndMoveToFrontIfNeeded} |
| if (targetTaskTop.getTask() == null) { |
| targetTask.addChild(targetTaskTop); |
| } |
| |
| if (top != null) { |
| if (top.isRootOfTask()) { |
| // 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.getTask().setIntent(mStartActivity); |
| } |
| deliverNewIntent(top); |
| } 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. |
| mAddingToTask = true; |
| if (targetTask.getStack() == null) { |
| // Target stack got cleared when we all activities were removed above. |
| // Go ahead and reset it. |
| mTargetStack = |
| getLaunchStack(mStartActivity, mLaunchFlags, null /* task */, mOptions); |
| mTargetStack.addChild(targetTask, !mLaunchTaskBehind /* toTop */, |
| (mStartActivity.info.flags & FLAG_SHOW_FOR_ALL_USERS) != 0); |
| } |
| } |
| } else if ((mLaunchFlags & FLAG_ACTIVITY_CLEAR_TOP) == 0 && !mAddingToTask |
| && (mLaunchFlags & 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. |
| final ActivityRecord act = |
| targetTask.findActivityInHistory(mStartActivity.mActivityComponent); |
| if (act != null) { |
| final Task task = act.getTask(); |
| task.moveActivityToFrontLocked(act); |
| act.updateOptionsLocked(mOptions); |
| deliverNewIntent(act); |
| mTargetStack.mLastPausedActivity = null; |
| } else { |
| mAddingToTask = true; |
| } |
| } else if (mStartActivity.mActivityComponent.equals(targetTask.realActivity)) { |
| if (targetTask == mInTask) { |
| // In this case we are bringing up an existing activity from a recent task. We |
| // don't need to add a new activity instance on top. |
| } else if (((mLaunchFlags & FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| || LAUNCH_SINGLE_TOP == mLaunchMode) |
| && targetTaskTop.mActivityComponent.equals(mStartActivity.mActivityComponent) |
| && mStartActivity.resultTo == null) { |
| // 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 (targetTaskTop.isRootOfTask()) { |
| targetTaskTop.getTask().setIntent(mStartActivity); |
| } |
| deliverNewIntent(targetTaskTop); |
| } else if (!targetTask.isSameIntentFilter(mStartActivity)) { |
| // 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. |
| mAddingToTask = true; |
| } else if (reusedActivity == null) { |
| mAddingToTask = true; |
| } |
| } else if (!resetTask) { |
| // 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. |
| mAddingToTask = true; |
| } else if (!targetTask.rootWasReset) { |
| // In this case we are launching into 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. |
| targetTask.setIntent(mStartActivity); |
| } |
| } |
| |
| /** |
| * Resets the {@link ActivityStarter} state. |
| * @param clearRequest whether the request should be reset to default values. |
| */ |
| void reset(boolean clearRequest) { |
| mStartActivity = null; |
| mIntent = null; |
| mCallingUid = -1; |
| mOptions = null; |
| mRestrictedBgActivity = false; |
| |
| mLaunchTaskBehind = false; |
| mLaunchFlags = 0; |
| mLaunchMode = INVALID_LAUNCH_MODE; |
| |
| mLaunchParams.reset(); |
| |
| mNotTop = null; |
| mDoResume = false; |
| mStartFlags = 0; |
| mSourceRecord = null; |
| mPreferredDisplayId = INVALID_DISPLAY; |
| |
| mInTask = null; |
| mAddingToTask = false; |
| mReuseTask = null; |
| |
| mNewTaskInfo = null; |
| mNewTaskIntent = null; |
| mSourceStack = null; |
| |
| mTargetStack = null; |
| mMovedToFront = false; |
| mNoAnimation = false; |
| mKeepCurTransition = false; |
| mAvoidMoveToFront = false; |
| mFrozeTaskList = false; |
| |
| mVoiceSession = null; |
| mVoiceInteractor = null; |
| |
| mIntentDelivered = false; |
| |
| if (clearRequest) { |
| mRequest.reset(); |
| } |
| } |
| |
| private void setInitialState(ActivityRecord r, ActivityOptions options, Task inTask, |
| boolean doResume, int startFlags, ActivityRecord sourceRecord, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| boolean restrictedBgActivity) { |
| reset(false /* clearRequest */); |
| |
| mStartActivity = r; |
| mIntent = r.intent; |
| mOptions = options; |
| mCallingUid = r.launchedFromUid; |
| mSourceRecord = sourceRecord; |
| mVoiceSession = voiceSession; |
| mVoiceInteractor = voiceInteractor; |
| mRestrictedBgActivity = restrictedBgActivity; |
| |
| mLaunchParams.reset(); |
| |
| // Preferred display id is the only state we need for now and it could be updated again |
| // after we located a reusable task (which might be resided in another display). |
| mSupervisor.getLaunchParamsController().calculate(inTask, r.info.windowLayout, r, |
| sourceRecord, options, PHASE_DISPLAY, mLaunchParams); |
| mPreferredDisplayId = |
| mLaunchParams.hasPreferredDisplay() ? mLaunchParams.mPreferredDisplayId |
| : DEFAULT_DISPLAY; |
| |
| mLaunchMode = r.launchMode; |
| |
| mLaunchFlags = adjustLaunchFlagsToDocumentMode( |
| r, LAUNCH_SINGLE_INSTANCE == mLaunchMode, |
| LAUNCH_SINGLE_TASK == mLaunchMode, mIntent.getFlags()); |
| mLaunchTaskBehind = r.mLaunchTaskBehind |
| && !isLaunchModeOneOf(LAUNCH_SINGLE_TASK, LAUNCH_SINGLE_INSTANCE) |
| && (mLaunchFlags & FLAG_ACTIVITY_NEW_DOCUMENT) != 0; |
| |
| sendNewTaskResultRequestIfNeeded(); |
| |
| if ((mLaunchFlags & FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && r.resultTo == null) { |
| mLaunchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| } |
| |
| // If we are actually going to launch in to a new task, there are some cases where |
| // we further want to do multiple task. |
| if ((mLaunchFlags & FLAG_ACTIVITY_NEW_TASK) != 0) { |
| if (mLaunchTaskBehind |
| || r.info.documentLaunchMode == DOCUMENT_LAUNCH_ALWAYS) { |
| mLaunchFlags |= FLAG_ACTIVITY_MULTIPLE_TASK; |
| } |
| } |
| |
| // We'll invoke onUserLeaving before onPause only if the launching |
| // activity did not explicitly state that this is an automated launch. |
| mSupervisor.mUserLeaving = (mLaunchFlags & FLAG_ACTIVITY_NO_USER_ACTION) == 0; |
| if (DEBUG_USER_LEAVING) Slog.v(TAG_USER_LEAVING, |
| "startActivity() => mUserLeaving=" + mSupervisor.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. |
| mDoResume = doResume; |
| if (!doResume || !r.okToShowLocked() || mLaunchTaskBehind) { |
| r.delayedResume = true; |
| mDoResume = false; |
| } |
| |
| if (mOptions != null) { |
| if (mOptions.getLaunchTaskId() != -1 && mOptions.getTaskOverlay()) { |
| r.setTaskOverlay(true); |
| if (!mOptions.canTaskOverlayResume()) { |
| final Task task = mRootWindowContainer.anyTaskForId( |
| mOptions.getLaunchTaskId()); |
| final ActivityRecord top = task != null |
| ? task.getTopNonFinishingActivity() : null; |
| if (top != null && !top.isState(RESUMED)) { |
| |
| // The caller specifies that we'd like to be avoided to be moved to the |
| // front, so be it! |
| mDoResume = false; |
| mAvoidMoveToFront = true; |
| } |
| } |
| } else if (mOptions.getAvoidMoveToFront()) { |
| mDoResume = false; |
| mAvoidMoveToFront = true; |
| } |
| } |
| |
| mNotTop = (mLaunchFlags & FLAG_ACTIVITY_PREVIOUS_IS_TOP) != 0 ? sourceRecord : null; |
| |
| mInTask = inTask; |
| // In some flows in to this function, we retrieve the task record and hold on to it |
| // without a lock before calling back in to here... so the task at this point may |
| // not actually be in recents. Check for that, and if it isn't in recents just |
| // consider it invalid. |
| if (inTask != null && !inTask.inRecents) { |
| Slog.w(TAG, "Starting activity in task not in recents: " + inTask); |
| mInTask = null; |
| } |
| |
| mStartFlags = startFlags; |
| // 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 ((startFlags & START_FLAG_ONLY_IF_NEEDED) != 0) { |
| ActivityRecord checkedCaller = sourceRecord; |
| if (checkedCaller == null) { |
| checkedCaller = mRootWindowContainer.getTopDisplayFocusedStack() |
| .topRunningNonDelayedActivityLocked(mNotTop); |
| } |
| if (!checkedCaller.mActivityComponent.equals(r.mActivityComponent)) { |
| // Caller is not the same as launcher, so always needed. |
| mStartFlags &= ~START_FLAG_ONLY_IF_NEEDED; |
| } |
| } |
| |
| mNoAnimation = (mLaunchFlags & FLAG_ACTIVITY_NO_ANIMATION) != 0; |
| |
| if (mRestrictedBgActivity && !mService.isBackgroundActivityStartsEnabled()) { |
| mAvoidMoveToFront = true; |
| mDoResume = false; |
| } |
| } |
| |
| private void sendNewTaskResultRequestIfNeeded() { |
| if (mStartActivity.resultTo != null && (mLaunchFlags & 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."); |
| mStartActivity.resultTo.sendResult(INVALID_UID, mStartActivity.resultWho, |
| mStartActivity.requestCode, RESULT_CANCELED, null /* data */); |
| mStartActivity.resultTo = null; |
| } |
| } |
| |
| private void computeLaunchingTaskFlags() { |
| // If the caller is not coming from another activity, but has given us an explicit task into |
| // which they would like us to launch the new activity, then let's see about doing that. |
| if (mSourceRecord == null && mInTask != null && mInTask.getStack() != null) { |
| final Intent baseIntent = mInTask.getBaseIntent(); |
| final ActivityRecord root = mInTask.getRootActivity(); |
| if (baseIntent == null) { |
| ActivityOptions.abort(mOptions); |
| throw new IllegalArgumentException("Launching into task without base intent: " |
| + mInTask); |
| } |
| |
| // If this task is empty, then we are adding the first activity -- it |
| // determines the root, and must be launching as a NEW_TASK. |
| if (isLaunchModeOneOf(LAUNCH_SINGLE_INSTANCE, LAUNCH_SINGLE_TASK)) { |
| if (!baseIntent.getComponent().equals(mStartActivity.intent.getComponent())) { |
| ActivityOptions.abort(mOptions); |
| throw new IllegalArgumentException("Trying to launch singleInstance/Task " |
| + mStartActivity + " into different task " + mInTask); |
| } |
| if (root != null) { |
| ActivityOptions.abort(mOptions); |
| throw new IllegalArgumentException("Caller with mInTask " + mInTask |
| + " has root " + root + " but target is singleInstance/Task"); |
| } |
| } |
| |
| // If task is empty, then adopt the interesting intent launch flags in to the |
| // activity being started. |
| if (root == null) { |
| final int flagsOfInterest = FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_MULTIPLE_TASK |
| | FLAG_ACTIVITY_NEW_DOCUMENT | FLAG_ACTIVITY_RETAIN_IN_RECENTS; |
| mLaunchFlags = (mLaunchFlags & ~flagsOfInterest) |
| | (baseIntent.getFlags() & flagsOfInterest); |
| mIntent.setFlags(mLaunchFlags); |
| mInTask.setIntent(mStartActivity); |
| mAddingToTask = true; |
| |
| // If the task is not empty and the caller is asking to start it as the root of |
| // a new task, then we don't actually want to start this on the task. We will |
| // bring the task to the front, and possibly give it a new intent. |
| } else if ((mLaunchFlags & FLAG_ACTIVITY_NEW_TASK) != 0) { |
| mAddingToTask = false; |
| |
| } else { |
| mAddingToTask = true; |
| } |
| |
| mReuseTask = mInTask; |
| } else { |
| mInTask = null; |
| // Launch ResolverActivity in the source task, so that it stays in the task bounds |
| // when in freeform workspace. |
| // Also put noDisplay activities in the source task. These by itself can be placed |
| // in any task/stack, however it could launch other activities like ResolverActivity, |
| // and we want those to stay in the original task. |
| if ((mStartActivity.isResolverOrDelegateActivity() || mStartActivity.noDisplay) |
| && mSourceRecord != null && mSourceRecord.inFreeformWindowingMode()) { |
| mAddingToTask = true; |
| } |
| } |
| |
| if (mInTask == null) { |
| if (mSourceRecord == null) { |
| // This activity is not being started from another... in this |
| // case we -always- start a new task. |
| if ((mLaunchFlags & FLAG_ACTIVITY_NEW_TASK) == 0 && mInTask == null) { |
| Slog.w(TAG, "startActivity called from non-Activity context; forcing " + |
| "Intent.FLAG_ACTIVITY_NEW_TASK for: " + mIntent); |
| mLaunchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| } |
| } else if (mSourceRecord.launchMode == 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. |
| mLaunchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| } else if (isLaunchModeOneOf(LAUNCH_SINGLE_INSTANCE, LAUNCH_SINGLE_TASK)) { |
| // The activity being started is a single instance... it always |
| // gets launched into its own task. |
| mLaunchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| } |
| } |
| } |
| |
| private void computeSourceStack() { |
| if (mSourceRecord == null) { |
| mSourceStack = null; |
| return; |
| } |
| if (!mSourceRecord.finishing) { |
| mSourceStack = mSourceRecord.getActivityStack(); |
| return; |
| } |
| |
| // If the source is finishing, we can't further count it as our source. This is because the |
| // task it is associated with may now be empty and on its way out, so we don't want to |
| // blindly throw it in to that task. Instead we will take the NEW_TASK flow and try to find |
| // a task for it. But save the task information so it can be used when creating the new task. |
| if ((mLaunchFlags & FLAG_ACTIVITY_NEW_TASK) == 0) { |
| Slog.w(TAG, "startActivity called from finishing " + mSourceRecord |
| + "; forcing " + "Intent.FLAG_ACTIVITY_NEW_TASK for: " + mIntent); |
| mLaunchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| mNewTaskInfo = mSourceRecord.info; |
| |
| // It is not guaranteed that the source record will have a task associated with it. For, |
| // example, if this method is being called for processing a pending activity launch, it |
| // is possible that the activity has been removed from the task after the launch was |
| // enqueued. |
| final Task sourceTask = mSourceRecord.getTask(); |
| mNewTaskIntent = sourceTask != null ? sourceTask.intent : null; |
| } |
| mSourceRecord = null; |
| mSourceStack = null; |
| } |
| |
| /** |
| * Decide whether the new activity should be inserted into an existing task. Returns null |
| * if not or an ActivityRecord with the task into which the new activity should be added. |
| */ |
| private Task getReusableTask() { |
| // We may want to try to place the new activity in to an existing task. We always |
| // do this if the target activity is singleTask or singleInstance; we will also do |
| // this if NEW_TASK has been requested, and there is not an additional qualifier telling |
| // us to still place it in a new task: multi task, always doc mode, or being asked to |
| // launch this as a new task behind the current one. |
| boolean putIntoExistingTask = ((mLaunchFlags & FLAG_ACTIVITY_NEW_TASK) != 0 && |
| (mLaunchFlags & FLAG_ACTIVITY_MULTIPLE_TASK) == 0) |
| || isLaunchModeOneOf(LAUNCH_SINGLE_INSTANCE, LAUNCH_SINGLE_TASK); |
| // If bring to front is requested, and no result is requested and we have not been given |
| // an explicit task to launch in to, and we can find a task that was started with this |
| // same component, then instead of launching bring that one to the front. |
| putIntoExistingTask &= mInTask == null && mStartActivity.resultTo == null; |
| ActivityRecord intentActivity = null; |
| if (mOptions != null && mOptions.getLaunchTaskId() != -1) { |
| Task launchTask = mRootWindowContainer.anyTaskForId(mOptions.getLaunchTaskId()); |
| if (launchTask != null) { |
| return launchTask; |
| } |
| } else if (putIntoExistingTask) { |
| if (LAUNCH_SINGLE_INSTANCE == mLaunchMode) { |
| // There can be one and only one instance of single instance activity in the |
| // history, and it is always in its own unique task, so we do a special search. |
| intentActivity = mRootWindowContainer.findActivity(mIntent, mStartActivity.info, |
| mStartActivity.isActivityTypeHome()); |
| } else if ((mLaunchFlags & FLAG_ACTIVITY_LAUNCH_ADJACENT) != 0) { |
| // For the launch adjacent case we only want to put the activity in an existing |
| // task if the activity already exists in the history. |
| intentActivity = mRootWindowContainer.findActivity(mIntent, mStartActivity.info, |
| !(LAUNCH_SINGLE_TASK == mLaunchMode)); |
| } else { |
| // Otherwise find the best task to put the activity in. |
| intentActivity = |
| mRootWindowContainer.findTask(mStartActivity, mPreferredDisplayId); |
| } |
| } |
| |
| if (intentActivity != null |
| && (mStartActivity.isActivityTypeHome() || intentActivity.isActivityTypeHome()) |
| && intentActivity.getDisplayId() != mPreferredDisplayId) { |
| // Do not reuse home activity on other displays. |
| intentActivity = null; |
| } |
| |
| return intentActivity != null ? intentActivity.getTask() : null; |
| } |
| |
| /** |
| * Figure out which task and activity to bring to front when we have found an existing matching |
| * activity record in history. May also clear the task if needed. |
| * @param intentActivity Existing matching activity. |
| * @return {@link ActivityRecord} brought to front. |
| */ |
| private void setTargetStackIfNeeded(ActivityRecord intentActivity) { |
| mTargetStack = intentActivity.getActivityStack(); |
| mTargetStack.mLastPausedActivity = null; |
| // 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. |
| final boolean differentTopTask; |
| if (mPreferredDisplayId == mTargetStack.getDisplayId()) { |
| final ActivityStack focusStack = mTargetStack.getDisplay().getFocusedStack(); |
| final ActivityRecord curTop = (focusStack == null) |
| ? null : focusStack.topRunningNonDelayedActivityLocked(mNotTop); |
| final Task topTask = curTop != null ? curTop.getTask() : null; |
| differentTopTask = topTask != intentActivity.getTask() |
| || (focusStack != null && topTask != focusStack.getTopMostTask()); |
| } else { |
| // The existing task should always be different from those in other displays. |
| differentTopTask = true; |
| } |
| |
| if (differentTopTask && !mAvoidMoveToFront) { |
| mStartActivity.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); |
| if (mSourceRecord == null || (mSourceStack.getTopNonFinishingActivity() != null && |
| mSourceStack.getTopNonFinishingActivity().getTask() |
| == mSourceRecord.getTask())) { |
| // We really do want to push this one into the user's face, right now. |
| if (mLaunchTaskBehind && mSourceRecord != null) { |
| intentActivity.setTaskToAffiliateWith(mSourceRecord.getTask()); |
| } |
| |
| final Task intentTask = intentActivity.getTask(); |
| final ActivityStack launchStack = |
| getLaunchStack(mStartActivity, mLaunchFlags, intentTask, mOptions); |
| if (launchStack == null || launchStack == mTargetStack) { |
| // Do not set mMovedToFront to true below for split-screen-top stack, or |
| // START_TASK_TO_FRONT will be returned and trigger unexpected animations when a |
| // new intent has delivered. |
| final boolean isSplitScreenTopStack = mTargetStack.isTopSplitScreenStack(); |
| |
| // We only want to move to the front, if we aren't going to launch on a |
| // different stack. If we launch on a different stack, we will put the |
| // task on top there. |
| // Defer resuming the top activity while moving task to top, since the |
| // current task-top activity may not be the activity that should be resumed. |
| mTargetStack.moveTaskToFrontLocked(intentTask, mNoAnimation, mOptions, |
| mStartActivity.appTimeTracker, DEFER_RESUME, |
| "bringingFoundTaskToFront"); |
| mMovedToFront = !isSplitScreenTopStack; |
| } else { |
| intentTask.reparent(launchStack, ON_TOP, REPARENT_MOVE_STACK_TO_FRONT, ANIMATE, |
| DEFER_RESUME, "reparentToTargetStack"); |
| mMovedToFront = true; |
| } |
| mOptions = null; |
| } |
| } |
| // Need to update mTargetStack because if task was moved out of it, the original stack may |
| // be destroyed. |
| mTargetStack = intentActivity.getActivityStack(); |
| mSupervisor.handleNonResizableTaskIfNeeded(intentActivity.getTask(), |
| WINDOWING_MODE_UNDEFINED, DEFAULT_DISPLAY, mTargetStack); |
| } |
| |
| private void resumeTargetStackIfNeeded() { |
| if (mDoResume) { |
| mRootWindowContainer.resumeFocusedStacksTopActivities(mTargetStack, null, mOptions); |
| } else { |
| ActivityOptions.abort(mOptions); |
| } |
| mRootWindowContainer.updateUserStack(mStartActivity.mUserId, mTargetStack); |
| } |
| |
| private void setNewTask(Task taskToAffiliate) { |
| final boolean toTop = !mLaunchTaskBehind && !mAvoidMoveToFront; |
| final Task task = mTargetStack.createTask( |
| mSupervisor.getNextTaskIdForUser(mStartActivity.mUserId), |
| mNewTaskInfo != null ? mNewTaskInfo : mStartActivity.info, |
| mNewTaskIntent != null ? mNewTaskIntent : mIntent, mVoiceSession, |
| mVoiceInteractor, toTop, mStartActivity, mSourceRecord, mOptions); |
| addOrReparentStartingActivity(task, "setTaskFromReuseOrCreateNewTask - mReuseTask"); |
| updateBounds(mStartActivity.getTask(), mLaunchParams.mBounds); |
| |
| if (DEBUG_TASKS) { |
| Slog.v(TAG_TASKS, "Starting new activity " + mStartActivity |
| + " in new task " + mStartActivity.getTask()); |
| } |
| |
| if (taskToAffiliate != null) { |
| mStartActivity.setTaskToAffiliateWith(taskToAffiliate); |
| } |
| } |
| |
| private void deliverNewIntent(ActivityRecord activity) { |
| if (mIntentDelivered) { |
| return; |
| } |
| |
| activity.logStartActivity(EventLogTags.WM_NEW_INTENT, activity.getTask()); |
| activity.deliverNewIntentLocked(mCallingUid, mStartActivity.intent, |
| mStartActivity.launchedFromPackage); |
| mIntentDelivered = true; |
| } |
| |
| @VisibleForTesting |
| void updateBounds(Task task, Rect bounds) { |
| if (bounds.isEmpty()) { |
| return; |
| } |
| |
| final ActivityStack stack = task.getStack(); |
| if (stack != null && stack.inPinnedWindowingMode()) { |
| mService.animateResizePinnedStack(stack.mStackId, bounds, -1); |
| } else { |
| task.setBounds(bounds); |
| } |
| } |
| |
| private void addOrReparentStartingActivity(Task parent, String reason) { |
| if (mStartActivity.getTask() == null || mStartActivity.getTask() == parent) { |
| parent.addChild(mStartActivity); |
| } else { |
| mStartActivity.reparent(parent, parent.getChildCount() /* top */, reason); |
| } |
| } |
| |
| private int adjustLaunchFlagsToDocumentMode(ActivityRecord r, boolean launchSingleInstance, |
| boolean launchSingleTask, int launchFlags) { |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && |
| (launchSingleInstance || launchSingleTask)) { |
| // We have a conflict between the Intent and the Activity manifest, manifest wins. |
| Slog.i(TAG, "Ignoring FLAG_ACTIVITY_NEW_DOCUMENT, launchMode is " + |
| "\"singleInstance\" or \"singleTask\""); |
| launchFlags &= |
| ~(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | FLAG_ACTIVITY_MULTIPLE_TASK); |
| } else { |
| switch (r.info.documentLaunchMode) { |
| case ActivityInfo.DOCUMENT_LAUNCH_NONE: |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_INTO_EXISTING: |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_ALWAYS: |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_NEVER: |
| launchFlags &= ~FLAG_ACTIVITY_MULTIPLE_TASK; |
| break; |
| } |
| } |
| return launchFlags; |
| } |
| |
| private ActivityStack getLaunchStack(ActivityRecord r, int launchFlags, Task task, |
| ActivityOptions aOptions) { |
| // We are reusing a task, keep the stack! |
| if (mReuseTask != null) { |
| return mReuseTask.getStack(); |
| } |
| |
| final boolean onTop = |
| (aOptions == null || !aOptions.getAvoidMoveToFront()) && !mLaunchTaskBehind; |
| return mRootWindowContainer.getLaunchStack(r, aOptions, task, onTop, mLaunchParams, |
| mRequest.realCallingPid, mRequest.realCallingUid); |
| } |
| |
| private boolean isLaunchModeOneOf(int mode1, int mode2) { |
| return mode1 == mLaunchMode || mode2 == mLaunchMode; |
| } |
| |
| static boolean isDocumentLaunchesIntoExisting(int flags) { |
| return (flags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && |
| (flags & Intent.FLAG_ACTIVITY_MULTIPLE_TASK) == 0; |
| } |
| |
| ActivityStarter setIntent(Intent intent) { |
| mRequest.intent = intent; |
| return this; |
| } |
| |
| @VisibleForTesting |
| Intent getIntent() { |
| return mRequest.intent; |
| } |
| |
| ActivityStarter setReason(String reason) { |
| mRequest.reason = reason; |
| return this; |
| } |
| |
| ActivityStarter setCaller(IApplicationThread caller) { |
| mRequest.caller = caller; |
| return this; |
| } |
| |
| ActivityStarter setResolvedType(String type) { |
| mRequest.resolvedType = type; |
| return this; |
| } |
| |
| ActivityStarter setActivityInfo(ActivityInfo info) { |
| mRequest.activityInfo = info; |
| return this; |
| } |
| |
| ActivityStarter setResolveInfo(ResolveInfo info) { |
| mRequest.resolveInfo = info; |
| return this; |
| } |
| |
| ActivityStarter setVoiceSession(IVoiceInteractionSession voiceSession) { |
| mRequest.voiceSession = voiceSession; |
| return this; |
| } |
| |
| ActivityStarter setVoiceInteractor(IVoiceInteractor voiceInteractor) { |
| mRequest.voiceInteractor = voiceInteractor; |
| return this; |
| } |
| |
| ActivityStarter setResultTo(IBinder resultTo) { |
| mRequest.resultTo = resultTo; |
| return this; |
| } |
| |
| ActivityStarter setResultWho(String resultWho) { |
| mRequest.resultWho = resultWho; |
| return this; |
| } |
| |
| ActivityStarter setRequestCode(int requestCode) { |
| mRequest.requestCode = requestCode; |
| return this; |
| } |
| |
| /** |
| * Sets the pid of the caller who originally started the activity. |
| * |
| * Normally, the pid/uid would be the calling pid from the binder call. |
| * However, in case of a {@link PendingIntent}, the pid/uid pair of the caller is considered |
| * the original entity that created the pending intent, in contrast to setRealCallingPid/Uid, |
| * which represents the entity who invoked pending intent via {@link PendingIntent#send}. |
| */ |
| ActivityStarter setCallingPid(int pid) { |
| mRequest.callingPid = pid; |
| return this; |
| } |
| |
| /** |
| * Sets the uid of the caller who originally started the activity. |
| * |
| * @see #setCallingPid |
| */ |
| ActivityStarter setCallingUid(int uid) { |
| mRequest.callingUid = uid; |
| return this; |
| } |
| |
| ActivityStarter setCallingPackage(String callingPackage) { |
| mRequest.callingPackage = callingPackage; |
| return this; |
| } |
| |
| /** |
| * Sets the pid of the caller who requested to launch the activity. |
| * |
| * The pid/uid represents the caller who launches the activity in this request. |
| * It will almost same as setCallingPid/Uid except when processing {@link PendingIntent}: |
| * the pid/uid will be the caller who called {@link PendingIntent#send()}. |
| * |
| * @see #setCallingPid |
| */ |
| ActivityStarter setRealCallingPid(int pid) { |
| mRequest.realCallingPid = pid; |
| return this; |
| } |
| |
| /** |
| * Sets the uid of the caller who requested to launch the activity. |
| * |
| * @see #setRealCallingPid |
| */ |
| ActivityStarter setRealCallingUid(int uid) { |
| mRequest.realCallingUid = uid; |
| return this; |
| } |
| |
| ActivityStarter setStartFlags(int startFlags) { |
| mRequest.startFlags = startFlags; |
| return this; |
| } |
| |
| ActivityStarter setActivityOptions(SafeActivityOptions options) { |
| mRequest.activityOptions = options; |
| return this; |
| } |
| |
| ActivityStarter setActivityOptions(Bundle bOptions) { |
| return setActivityOptions(SafeActivityOptions.fromBundle(bOptions)); |
| } |
| |
| ActivityStarter setIgnoreTargetSecurity(boolean ignoreTargetSecurity) { |
| mRequest.ignoreTargetSecurity = ignoreTargetSecurity; |
| return this; |
| } |
| |
| ActivityStarter setFilterCallingUid(int filterCallingUid) { |
| mRequest.filterCallingUid = filterCallingUid; |
| return this; |
| } |
| |
| ActivityStarter setComponentSpecified(boolean componentSpecified) { |
| mRequest.componentSpecified = componentSpecified; |
| return this; |
| } |
| |
| ActivityStarter setOutActivity(ActivityRecord[] outActivity) { |
| mRequest.outActivity = outActivity; |
| return this; |
| } |
| |
| ActivityStarter setInTask(Task inTask) { |
| mRequest.inTask = inTask; |
| return this; |
| } |
| |
| ActivityStarter setWaitResult(WaitResult result) { |
| mRequest.waitResult = result; |
| return this; |
| } |
| |
| ActivityStarter setProfilerInfo(ProfilerInfo info) { |
| mRequest.profilerInfo = info; |
| return this; |
| } |
| |
| ActivityStarter setGlobalConfiguration(Configuration config) { |
| mRequest.globalConfig = config; |
| return this; |
| } |
| |
| ActivityStarter setUserId(int userId) { |
| mRequest.userId = userId; |
| return this; |
| } |
| |
| ActivityStarter setAllowPendingRemoteAnimationRegistryLookup(boolean allowLookup) { |
| mRequest.allowPendingRemoteAnimationRegistryLookup = allowLookup; |
| return this; |
| } |
| |
| ActivityStarter setOriginatingPendingIntent(PendingIntentRecord originatingPendingIntent) { |
| mRequest.originatingPendingIntent = originatingPendingIntent; |
| return this; |
| } |
| |
| ActivityStarter setAllowBackgroundActivityStart(boolean allowBackgroundActivityStart) { |
| mRequest.allowBackgroundActivityStart = allowBackgroundActivityStart; |
| return this; |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| prefix = prefix + " "; |
| pw.print(prefix); |
| pw.print("mCurrentUser="); |
| pw.println(mRootWindowContainer.mCurrentUser); |
| pw.print(prefix); |
| pw.print("mLastStartReason="); |
| pw.println(mLastStartReason); |
| pw.print(prefix); |
| pw.print("mLastStartActivityTimeMs="); |
| pw.println(DateFormat.getDateTimeInstance().format(new Date(mLastStartActivityTimeMs))); |
| pw.print(prefix); |
| pw.print("mLastStartActivityResult="); |
| pw.println(mLastStartActivityResult); |
| if (mLastStartActivityRecord != null) { |
| pw.print(prefix); |
| pw.println("mLastStartActivityRecord:"); |
| mLastStartActivityRecord.dump(pw, prefix + " ", true /* dumpAll */); |
| } |
| if (mStartActivity != null) { |
| pw.print(prefix); |
| pw.println("mStartActivity:"); |
| mStartActivity.dump(pw, prefix + " ", true /* dumpAll */); |
| } |
| if (mIntent != null) { |
| pw.print(prefix); |
| pw.print("mIntent="); |
| pw.println(mIntent); |
| } |
| if (mOptions != null) { |
| pw.print(prefix); |
| pw.print("mOptions="); |
| pw.println(mOptions); |
| } |
| pw.print(prefix); |
| pw.print("mLaunchSingleTop="); |
| pw.print(LAUNCH_SINGLE_TOP == mLaunchMode); |
| pw.print(" mLaunchSingleInstance="); |
| pw.print(LAUNCH_SINGLE_INSTANCE == mLaunchMode); |
| pw.print(" mLaunchSingleTask="); |
| pw.println(LAUNCH_SINGLE_TASK == mLaunchMode); |
| pw.print(prefix); |
| pw.print("mLaunchFlags=0x"); |
| pw.print(Integer.toHexString(mLaunchFlags)); |
| pw.print(" mDoResume="); |
| pw.print(mDoResume); |
| pw.print(" mAddingToTask="); |
| pw.println(mAddingToTask); |
| } |
| } |