Add infrastructure to track activitiy relaunches

As a preparation to start synchronizing task size
with activity relaunches, we need a infrastructure
so we know in AM/WM when an activity is relaunching
and when it's done relaunching.

Bug: 26311778
Bug: 25015474
Change-Id: Ied3795eddbcd112f6329494afbf13178ca49a799

diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index 51ce7af..da21099 100644 (file)
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -570,6 +570,14 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
             return true;
         }
 
+        case ACTIVITY_RELAUNCHED_TRANSACTION: {
+            data.enforceInterface(IActivityManager.descriptor);
+            IBinder token = data.readStrongBinder();
+            activityRelaunched(token);
+            reply.writeNoException();
+            return true;
+        }
+
         case GET_CALLING_PACKAGE_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             IBinder token = data.readStrongBinder();
@@ -3413,6 +3421,17 @@ class ActivityManagerProxy implements IActivityManager
         data.recycle();
         reply.recycle();
     }
+    public void activityRelaunched(IBinder token) throws RemoteException
+    {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IActivityManager.descriptor);
+        data.writeStrongBinder(token);
+        mRemote.transact(ACTIVITY_RELAUNCHED_TRANSACTION, data, reply, 0);
+        reply.readException();
+        data.recycle();
+        reply.recycle();
+    }
     public String getCallingPackage(IBinder token) throws RemoteException
     {
         Parcel data = Parcel.obtain();

diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index ed168d1..177fabe 100644 (file)
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -4161,6 +4161,15 @@ public final class ActivityThread {
                             r.pendingIntents = pendingNewIntents;
                         }
                     }
+
+                    // For each relaunch request, activity manager expects an answer
+                    if (!r.onlyLocalRequest && fromServer) {
+                        try {
+                            ActivityManagerNative.getDefault().activityRelaunched(token);
+                        } catch (RemoteException e) {
+                            e.printStackTrace();
+                        }
+                    }
                     break;
                 }
             }
@@ -4275,6 +4284,13 @@ public final class ActivityThread {
         ActivityClientRecord r = mActivities.get(tmp.token);
         if (DEBUG_CONFIGURATION) Slog.v(TAG, "Handling relaunch of " + r);
         if (r == null) {
+            if (!tmp.onlyLocalRequest) {
+                try {
+                    ActivityManagerNative.getDefault().activityRelaunched(tmp.token);
+                } catch (RemoteException e) {
+                    // If the system process has died, it's game over for everyone.
+                }
+            }
             return;
         }
 
@@ -4320,6 +4336,14 @@ public final class ActivityThread {
         r.overrideConfig = tmp.overrideConfig;
 
         handleLaunchActivity(r, currentIntent);
+
+        if (!tmp.onlyLocalRequest) {
+            try {
+                ActivityManagerNative.getDefault().activityRelaunched(r.token);
+            } catch (RemoteException e) {
+                // If the system process has died, it's game over for everyone.
+            }
+        }
     }
 
     private void callCallActivityOnSaveInstanceState(ActivityClientRecord r) {

diff --git a/core/java/android/app/IActivityManager.java b/core/java/android/app/IActivityManager.java
index e7f430f..ceb14ad 100644 (file)
--- a/core/java/android/app/IActivityManager.java
+++ b/core/java/android/app/IActivityManager.java
@@ -122,6 +122,7 @@ public interface IActivityManager extends IInterface {
             PersistableBundle persistentState, CharSequence description) throws RemoteException;
     public void activitySlept(IBinder token) throws RemoteException;
     public void activityDestroyed(IBinder token) throws RemoteException;
+    public void activityRelaunched(IBinder token) throws RemoteException;
     public void reportSizeConfigurations(IBinder token, int[] horizontalSizeConfiguration,
             int[] verticalSizeConfigurations, int[] smallestWidthConfigurations)
             throws RemoteException;
@@ -944,7 +945,8 @@ public interface IActivityManager extends IInterface {
     int IN_PICTURE_IN_PICTURE_MODE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 353;
     int KILL_PACKAGE_DEPENDENTS_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 354;
     int ENTER_PICTURE_IN_PICTURE_MODE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 355;
-    int SET_VR_MODE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 356;
+    int ACTIVITY_RELAUNCHED_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 356;
     int GET_URI_PERMISSION_OWNER_FOR_ACTIVITY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 357;
     int RESIZE_DOCKED_STACK_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 358;
+    int SET_VR_MODE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 359;
 }

diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 5a9969e..39bd361 100644 (file)
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -6772,6 +6772,15 @@ public final class ActivityManagerService extends ActivityManagerNative
     }
 
     @Override
+    public final void activityRelaunched(IBinder token) {
+        final long origId = Binder.clearCallingIdentity();
+        synchronized (this) {
+            mStackSupervisor.activityRelaunchedLocked(token);
+        }
+        Binder.restoreCallingIdentity(origId);
+    }
+
+    @Override
     public void reportSizeConfigurations(IBinder token, int[] horizontalSizeConfiguration,
             int[] verticalSizeConfigurations, int[] smallestSizeConfigurations) {
         if (DEBUG_CONFIGURATION) Slog.v(TAG, "Report configuration: " + token + " "

diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 4e9d1b1..8d9cb58 100644 (file)
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -4314,6 +4314,7 @@ final class ActivityStack {
             r.app.thread.scheduleRelaunchActivity(r.appToken, results, newIntents, changes,
                     !andResume, new Configuration(mService.mConfiguration),
                     new Configuration(r.task.mOverrideConfig), preserveWindow);
+            mStackSupervisor.activityRelaunchingLocked(r);
             // Note: don't need to call pauseIfSleepingLocked() here, because
             // the caller will only pass in 'andResume' if this activity is
             // currently resumed, which implies we aren't sleeping.

diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 7758029..0b22bd4 100644 (file)
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -16,70 +16,6 @@
 
 package com.android.server.am;
 
-import static android.Manifest.permission.START_ANY_ACTIVITY;
-import static android.app.ActivityManager.LOCK_TASK_MODE_LOCKED;
-import static android.app.ActivityManager.LOCK_TASK_MODE_NONE;
-import static android.app.ActivityManager.LOCK_TASK_MODE_PINNED;
-import static android.app.ActivityManager.RESIZE_MODE_FORCED;
-import static android.app.ActivityManager.RESIZE_MODE_SYSTEM;
-import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
-import static android.app.ActivityManager.StackId.FIRST_DYNAMIC_STACK_ID;
-import static android.app.ActivityManager.StackId.FIRST_STATIC_STACK_ID;
-import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.StackId.HOME_STACK_ID;
-import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
-import static android.app.ActivityManager.StackId.LAST_STATIC_STACK_ID;
-import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
-import static android.content.Intent.FLAG_ACTIVITY_MULTIPLE_TASK;
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS;
-import static android.content.pm.PackageManager.PERMISSION_GRANTED;
-import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ALL;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_CONTAINERS;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_IDLE;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LOCKSCREEN;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LOCKTASK;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_PAUSE;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RECENTS;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RELEASE;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STACK;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STATES;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_SWITCH;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_TASKS;
-import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_VISIBLE_BEHIND;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_CONTAINERS;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_IDLE;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_LOCKTASK;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_PAUSE;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RECENTS;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RELEASE;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STACK;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STATES;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_SWITCH;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_TASKS;
-import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_VISIBLE_BEHIND;
-import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM;
-import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;
-import static com.android.server.am.ActivityManagerService.FIRST_SUPERVISOR_STACK_MSG;
-import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE;
-import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE;
-import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE;
-import static com.android.server.am.ActivityStack.ActivityState.DESTROYED;
-import static com.android.server.am.ActivityStack.ActivityState.DESTROYING;
-import static com.android.server.am.ActivityStack.ActivityState.INITIALIZING;
-import static com.android.server.am.ActivityStack.ActivityState.PAUSED;
-import static com.android.server.am.ActivityStack.ActivityState.PAUSING;
-import static com.android.server.am.ActivityStack.ActivityState.RESUMED;
-import static com.android.server.am.ActivityStack.ActivityState.STOPPED;
-import static com.android.server.am.ActivityStack.ActivityState.STOPPING;
-import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_DONT_LOCK;
-import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE;
-import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE_PRIV;
-import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_PINNABLE;
-import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_WHITELISTED;
-
 import android.Manifest;
 import android.app.Activity;
 import android.app.ActivityManager;
@@ -164,6 +100,70 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Set;
 
+import static android.Manifest.permission.START_ANY_ACTIVITY;
+import static android.app.ActivityManager.LOCK_TASK_MODE_LOCKED;
+import static android.app.ActivityManager.LOCK_TASK_MODE_NONE;
+import static android.app.ActivityManager.LOCK_TASK_MODE_PINNED;
+import static android.app.ActivityManager.RESIZE_MODE_FORCED;
+import static android.app.ActivityManager.RESIZE_MODE_SYSTEM;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.FIRST_DYNAMIC_STACK_ID;
+import static android.app.ActivityManager.StackId.FIRST_STATIC_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.HOME_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
+import static android.app.ActivityManager.StackId.LAST_STATIC_STACK_ID;
+import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
+import static android.content.Intent.FLAG_ACTIVITY_MULTIPLE_TASK;
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS;
+import static android.content.pm.PackageManager.PERMISSION_GRANTED;
+import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ALL;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_CONTAINERS;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_IDLE;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LOCKSCREEN;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LOCKTASK;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_PAUSE;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RECENTS;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RELEASE;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STACK;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STATES;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_SWITCH;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_TASKS;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_VISIBLE_BEHIND;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_CONTAINERS;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_IDLE;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_LOCKTASK;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_PAUSE;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RECENTS;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RELEASE;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STACK;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STATES;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_SWITCH;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_TASKS;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_VISIBLE_BEHIND;
+import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM;
+import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;
+import static com.android.server.am.ActivityManagerService.FIRST_SUPERVISOR_STACK_MSG;
+import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE;
+import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE;
+import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE;
+import static com.android.server.am.ActivityStack.ActivityState.DESTROYED;
+import static com.android.server.am.ActivityStack.ActivityState.DESTROYING;
+import static com.android.server.am.ActivityStack.ActivityState.INITIALIZING;
+import static com.android.server.am.ActivityStack.ActivityState.PAUSED;
+import static com.android.server.am.ActivityStack.ActivityState.PAUSING;
+import static com.android.server.am.ActivityStack.ActivityState.RESUMED;
+import static com.android.server.am.ActivityStack.ActivityState.STOPPED;
+import static com.android.server.am.ActivityStack.ActivityState.STOPPING;
+import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_DONT_LOCK;
+import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE;
+import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE_PRIV;
+import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_PINNABLE;
+import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_WHITELISTED;
+
 public final class ActivityStackSupervisor implements DisplayListener {
     private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStackSupervisor" : TAG_AM;
     private static final String TAG_CONTAINERS = TAG + POSTFIX_CONTAINERS;
@@ -3293,6 +3293,14 @@ public final class ActivityStackSupervisor implements DisplayListener {
         return mLockTaskModeState;
     }
 
+    void activityRelaunchedLocked(IBinder token) {
+        mWindowManager.notifyAppRelaunchingFinished(token);
+    }
+
+    void activityRelaunchingLocked(ActivityRecord r) {
+        mWindowManager.notifyAppRelaunching(r.appToken);
+    }
+
     void logStackState() {
         mActivityMetricsLogger.logWindowState();
     }

diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index e4299d9..ccde606 100644 (file)
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -16,77 +16,6 @@
 
 package com.android.server.wm;
 
-import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
-import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
-import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
-import static android.app.StatusBarManager.DISABLE_MASK;
-import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND;
-import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
-import static android.view.WindowManager.DOCKED_INVALID;
-import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
-import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
-import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
-import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
-import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
-import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
-import static android.view.WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
-import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
-import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW;
-import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
-import static android.view.WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY;
-import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
-import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
-import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
-import static android.view.WindowManager.LayoutParams.TYPE_BOOT_PROGRESS;
-import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
-import static android.view.WindowManager.LayoutParams.TYPE_DREAM;
-import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
-import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
-import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
-import static android.view.WindowManager.LayoutParams.TYPE_PRIVATE_PRESENTATION;
-import static android.view.WindowManager.LayoutParams.TYPE_QS_DIALOG;
-import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
-import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION;
-import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
-import static android.view.WindowManagerGlobal.RELAYOUT_DEFER_SURFACE_DESTROY;
-import static android.view.WindowManagerGlobal.RELAYOUT_RES_SURFACE_CHANGED;
-import static android.view.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
-import static com.android.server.wm.AppWindowAnimator.PROLONG_ANIMATION_AT_END;
-import static com.android.server.wm.AppWindowAnimator.PROLONG_ANIMATION_AT_START;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_ORIENTATION;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_TRANSITIONS;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_BOOT;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_CONFIGURATION;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DISPLAY;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DRAG;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS_LIGHT;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT_METHOD;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_KEYGUARD;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_RESIZE;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREENSHOT;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREEN_ON;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STACK;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STARTING_WINDOW;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SURFACE_TRACE;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_POSITIONING;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TOKEN_MOVEMENT;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER_LIGHT;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_MOVEMENT;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_TRACE;
-import static com.android.server.wm.WindowManagerDebugConfig.HIDE_STACK_CRAWLS;
-import static com.android.server.wm.WindowManagerDebugConfig.SHOW_LIGHT_TRANSACTIONS;
-import static com.android.server.wm.WindowManagerDebugConfig.SHOW_SURFACE_ALLOC;
-import static com.android.server.wm.WindowManagerDebugConfig.SHOW_TRANSACTIONS;
-import static com.android.server.wm.WindowManagerDebugConfig.SHOW_VERBOSE_TRANSACTIONS;
-import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
-
 import android.Manifest;
 import android.animation.ValueAnimator;
 import android.annotation.NonNull;
@@ -224,6 +153,78 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 
+import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.StatusBarManager.DISABLE_MASK;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+import static android.view.WindowManager.DOCKED_INVALID;
+import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
+import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
+import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
+import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
+import static android.view.WindowManager.LayoutParams.FLAG_SECURE;
+import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
+import static android.view.WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
+import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
+import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW;
+import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
+import static android.view.WindowManager.LayoutParams.TYPE_ACCESSIBILITY_OVERLAY;
+import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
+import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
+import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+import static android.view.WindowManager.LayoutParams.TYPE_BOOT_PROGRESS;
+import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
+import static android.view.WindowManager.LayoutParams.TYPE_DREAM;
+import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
+import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
+import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
+import static android.view.WindowManager.LayoutParams.TYPE_PRIVATE_PRESENTATION;
+import static android.view.WindowManager.LayoutParams.TYPE_QS_DIALOG;
+import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
+import static android.view.WindowManager.LayoutParams.TYPE_VOICE_INTERACTION;
+import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
+import static android.view.WindowManagerGlobal.RELAYOUT_DEFER_SURFACE_DESTROY;
+import static android.view.WindowManagerGlobal.RELAYOUT_RES_SURFACE_CHANGED;
+import static android.view.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+import static com.android.server.wm.AppWindowAnimator.PROLONG_ANIMATION_AT_END;
+import static com.android.server.wm.AppWindowAnimator.PROLONG_ANIMATION_AT_START;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_ORIENTATION;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_TRANSITIONS;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_BOOT;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_CONFIGURATION;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DISPLAY;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DRAG;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS_LIGHT;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT_METHOD;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_KEYGUARD;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_RESIZE;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREENSHOT;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREEN_ON;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STACK;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STARTING_WINDOW;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SURFACE_TRACE;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_POSITIONING;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TOKEN_MOVEMENT;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER_LIGHT;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_MOVEMENT;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_TRACE;
+import static com.android.server.wm.WindowManagerDebugConfig.HIDE_STACK_CRAWLS;
+import static com.android.server.wm.WindowManagerDebugConfig.SHOW_LIGHT_TRANSACTIONS;
+import static com.android.server.wm.WindowManagerDebugConfig.SHOW_SURFACE_ALLOC;
+import static com.android.server.wm.WindowManagerDebugConfig.SHOW_TRANSACTIONS;
+import static com.android.server.wm.WindowManagerDebugConfig.SHOW_VERBOSE_TRANSACTIONS;
+import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
+
 /** {@hide} */
 public class WindowManagerService extends IWindowManager.Stub
         implements Watchdog.Monitor, WindowManagerPolicy.WindowManagerFuncs {
@@ -9468,6 +9469,24 @@ public class WindowManagerService extends IWindowManager.Stub
         }
     }
 
+    public void notifyAppRelaunching(IBinder token) {
+        synchronized (mWindowMap) {
+            AppWindowToken appWindow = findAppWindowToken(token);
+            if (appWindow != null) {
+                // TODO: Do something useful
+            }
+        }
+    }
+
+    public void notifyAppRelaunchingFinished(IBinder token) {
+        synchronized (mWindowMap) {
+            AppWindowToken appWindow = findAppWindowToken(token);
+            if (appWindow != null) {
+                // TODO: Do something useful
+            }
+        }
+    }
+
     void dumpPolicyLocked(PrintWriter pw, String[] args, boolean dumpAll) {
         pw.println("WINDOW MANAGER POLICY STATE (dumpsys window policy)");
         mPolicy.dump("    ", pw, args);