ActivityStackSupervisor.java revision b539b3aafb2b0e55fc9578344eff35256fd5a94e
1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.am; 18 19import static android.Manifest.permission.START_ANY_ACTIVITY; 20import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; 21import static android.content.Intent.FLAG_ACTIVITY_TASK_ON_HOME; 22import static android.content.pm.PackageManager.PERMISSION_GRANTED; 23import static com.android.server.am.ActivityManagerService.localLOGV; 24import static com.android.server.am.ActivityManagerService.DEBUG_CONFIGURATION; 25import static com.android.server.am.ActivityManagerService.DEBUG_FOCUS; 26import static com.android.server.am.ActivityManagerService.DEBUG_PAUSE; 27import static com.android.server.am.ActivityManagerService.DEBUG_RESULTS; 28import static com.android.server.am.ActivityManagerService.DEBUG_STACK; 29import static com.android.server.am.ActivityManagerService.DEBUG_SWITCH; 30import static com.android.server.am.ActivityManagerService.DEBUG_TASKS; 31import static com.android.server.am.ActivityManagerService.DEBUG_USER_LEAVING; 32import static com.android.server.am.ActivityManagerService.FIRST_SUPERVISOR_STACK_MSG; 33import static com.android.server.am.ActivityManagerService.TAG; 34import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE; 35import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE; 36import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE; 37 38import android.app.Activity; 39import android.app.ActivityManager; 40import android.app.ActivityManager.StackInfo; 41import android.app.ActivityOptions; 42import android.app.AppGlobals; 43import android.app.IActivityContainer; 44import android.app.IActivityContainerCallback; 45import android.app.IActivityManager; 46import android.app.IApplicationThread; 47import android.app.PendingIntent; 48import android.app.ActivityManager.RunningTaskInfo; 49import android.app.IActivityManager.WaitResult; 50import android.app.ResultInfo; 51import android.content.ComponentName; 52import android.content.Context; 53import android.content.IIntentSender; 54import android.content.Intent; 55import android.content.IntentSender; 56import android.content.pm.ActivityInfo; 57import android.content.pm.ApplicationInfo; 58import android.content.pm.PackageManager; 59import android.content.pm.ResolveInfo; 60import android.content.res.Configuration; 61import android.graphics.Point; 62import android.hardware.display.DisplayManager; 63import android.hardware.display.DisplayManager.DisplayListener; 64import android.hardware.display.DisplayManagerGlobal; 65import android.hardware.display.VirtualDisplay; 66import android.hardware.input.InputManager; 67import android.hardware.input.InputManagerInternal; 68import android.os.Binder; 69import android.os.Bundle; 70import android.os.Debug; 71import android.os.Handler; 72import android.os.IBinder; 73import android.os.Looper; 74import android.os.Message; 75import android.os.ParcelFileDescriptor; 76import android.os.PowerManager; 77import android.os.Process; 78import android.os.RemoteException; 79import android.os.SystemClock; 80import android.os.UserHandle; 81import android.service.voice.IVoiceInteractionSession; 82import android.util.EventLog; 83import android.util.Slog; 84import android.util.SparseArray; 85 86import android.util.SparseIntArray; 87import android.view.Display; 88import android.view.DisplayInfo; 89import android.view.InputEvent; 90import android.view.Surface; 91import com.android.internal.app.HeavyWeightSwitcherActivity; 92import com.android.internal.app.IVoiceInteractor; 93import com.android.internal.os.TransferPipe; 94import com.android.server.LocalServices; 95import com.android.server.am.ActivityManagerService.PendingActivityLaunch; 96import com.android.server.am.ActivityStack.ActivityState; 97import com.android.server.wm.WindowManagerService; 98 99import java.io.FileDescriptor; 100import java.io.IOException; 101import java.io.PrintWriter; 102import java.util.ArrayList; 103import java.util.List; 104 105public final class ActivityStackSupervisor implements DisplayListener { 106 static final boolean DEBUG = ActivityManagerService.DEBUG || false; 107 static final boolean DEBUG_ADD_REMOVE = DEBUG || false; 108 static final boolean DEBUG_APP = DEBUG || false; 109 static final boolean DEBUG_SAVED_STATE = DEBUG || false; 110 static final boolean DEBUG_STATES = DEBUG || false; 111 static final boolean DEBUG_IDLE = DEBUG || false; 112 113 public static final int HOME_STACK_ID = 0; 114 115 /** How long we wait until giving up on the last activity telling us it is idle. */ 116 static final int IDLE_TIMEOUT = 10*1000; 117 118 /** How long we can hold the sleep wake lock before giving up. */ 119 static final int SLEEP_TIMEOUT = 5*1000; 120 121 // How long we can hold the launch wake lock before giving up. 122 static final int LAUNCH_TIMEOUT = 10*1000; 123 124 static final int IDLE_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG; 125 static final int IDLE_NOW_MSG = FIRST_SUPERVISOR_STACK_MSG + 1; 126 static final int RESUME_TOP_ACTIVITY_MSG = FIRST_SUPERVISOR_STACK_MSG + 2; 127 static final int SLEEP_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 3; 128 static final int LAUNCH_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 4; 129 static final int HANDLE_DISPLAY_ADDED = FIRST_SUPERVISOR_STACK_MSG + 5; 130 static final int HANDLE_DISPLAY_CHANGED = FIRST_SUPERVISOR_STACK_MSG + 6; 131 static final int HANDLE_DISPLAY_REMOVED = FIRST_SUPERVISOR_STACK_MSG + 7; 132 static final int CONTAINER_CALLBACK_VISIBILITY = FIRST_SUPERVISOR_STACK_MSG + 8; 133 134 private final static String VIRTUAL_DISPLAY_BASE_NAME = "ActivityViewVirtualDisplay"; 135 136 // For debugging to make sure the caller when acquiring/releasing our 137 // wake lock is the system process. 138 static final boolean VALIDATE_WAKE_LOCK_CALLER = false; 139 140 final ActivityManagerService mService; 141 142 final ActivityStackSupervisorHandler mHandler; 143 144 /** Short cut */ 145 WindowManagerService mWindowManager; 146 DisplayManager mDisplayManager; 147 148 /** Dismiss the keyguard after the next activity is displayed? */ 149 boolean mDismissKeyguardOnNextActivity = false; 150 151 /** Identifier counter for all ActivityStacks */ 152 private int mLastStackId = HOME_STACK_ID; 153 154 /** Task identifier that activities are currently being started in. Incremented each time a 155 * new task is created. */ 156 private int mCurTaskId = 0; 157 158 /** The current user */ 159 private int mCurrentUser; 160 161 /** The stack containing the launcher app. Assumed to always be attached to 162 * Display.DEFAULT_DISPLAY. */ 163 private ActivityStack mHomeStack; 164 165 /** The stack currently receiving input or launching the next activity. */ 166 private ActivityStack mFocusedStack; 167 168 /** If this is the same as mFocusedStack then the activity on the top of the focused stack has 169 * been resumed. If stacks are changing position this will hold the old stack until the new 170 * stack becomes resumed after which it will be set to mFocusedStack. */ 171 private ActivityStack mLastFocusedStack; 172 173 /** List of activities that are waiting for a new activity to become visible before completing 174 * whatever operation they are supposed to do. */ 175 final ArrayList<ActivityRecord> mWaitingVisibleActivities = new ArrayList<ActivityRecord>(); 176 177 /** List of processes waiting to find out about the next visible activity. */ 178 final ArrayList<IActivityManager.WaitResult> mWaitingActivityVisible = 179 new ArrayList<IActivityManager.WaitResult>(); 180 181 /** List of processes waiting to find out about the next launched activity. */ 182 final ArrayList<IActivityManager.WaitResult> mWaitingActivityLaunched = 183 new ArrayList<IActivityManager.WaitResult>(); 184 185 /** List of activities that are ready to be stopped, but waiting for the next activity to 186 * settle down before doing so. */ 187 final ArrayList<ActivityRecord> mStoppingActivities = new ArrayList<ActivityRecord>(); 188 189 /** List of activities that are ready to be finished, but waiting for the previous activity to 190 * settle down before doing so. It contains ActivityRecord objects. */ 191 final ArrayList<ActivityRecord> mFinishingActivities = new ArrayList<ActivityRecord>(); 192 193 /** List of activities that are in the process of going to sleep. */ 194 final ArrayList<ActivityRecord> mGoingToSleepActivities = new ArrayList<ActivityRecord>(); 195 196 /** Used on user changes */ 197 final ArrayList<UserStartedState> mStartingUsers = new ArrayList<UserStartedState>(); 198 199 /** Used to queue up any background users being started */ 200 final ArrayList<UserStartedState> mStartingBackgroundUsers = new ArrayList<UserStartedState>(); 201 202 /** Set to indicate whether to issue an onUserLeaving callback when a newly launched activity 203 * is being brought in front of us. */ 204 boolean mUserLeaving = false; 205 206 /** Set when we have taken too long waiting to go to sleep. */ 207 boolean mSleepTimeout = false; 208 209 /** 210 * We don't want to allow the device to go to sleep while in the process 211 * of launching an activity. This is primarily to allow alarm intent 212 * receivers to launch an activity and get that to run before the device 213 * goes back to sleep. 214 */ 215 final PowerManager.WakeLock mLaunchingActivity; 216 217 /** 218 * Set when the system is going to sleep, until we have 219 * successfully paused the current activity and released our wake lock. 220 * At that point the system is allowed to actually sleep. 221 */ 222 final PowerManager.WakeLock mGoingToSleep; 223 224 /** Stack id of the front stack when user switched, indexed by userId. */ 225 SparseIntArray mUserStackInFront = new SparseIntArray(2); 226 227 // TODO: Add listener for removal of references. 228 /** Mapping from (ActivityStack/TaskStack).mStackId to their current state */ 229 SparseArray<ActivityContainer> mActivityContainers = new SparseArray<ActivityContainer>(); 230 231 /** Mapping from displayId to display current state */ 232 private final SparseArray<ActivityDisplay> mActivityDisplays = 233 new SparseArray<ActivityDisplay>(); 234 235 InputManagerInternal mInputManagerInternal; 236 237 /** If non-null then the task specified remains in front and no other tasks may be started 238 * until the task exits or #stopLockTaskMode() is called. */ 239 private TaskRecord mLockTaskModeTask; 240 241 public ActivityStackSupervisor(ActivityManagerService service) { 242 mService = service; 243 PowerManager pm = (PowerManager)mService.mContext.getSystemService(Context.POWER_SERVICE); 244 mGoingToSleep = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Sleep"); 245 mHandler = new ActivityStackSupervisorHandler(mService.mHandler.getLooper()); 246 if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) { 247 throw new IllegalStateException("Calling must be system uid"); 248 } 249 mLaunchingActivity = 250 pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Launch"); 251 mLaunchingActivity.setReferenceCounted(false); 252 } 253 254 void setWindowManager(WindowManagerService wm) { 255 synchronized (mService) { 256 mWindowManager = wm; 257 258 mDisplayManager = 259 (DisplayManager)mService.mContext.getSystemService(Context.DISPLAY_SERVICE); 260 mDisplayManager.registerDisplayListener(this, null); 261 262 Display[] displays = mDisplayManager.getDisplays(); 263 for (int displayNdx = displays.length - 1; displayNdx >= 0; --displayNdx) { 264 final int displayId = displays[displayNdx].getDisplayId(); 265 ActivityDisplay activityDisplay = new ActivityDisplay(displayId); 266 mActivityDisplays.put(displayId, activityDisplay); 267 } 268 269 createStackOnDisplay(HOME_STACK_ID, Display.DEFAULT_DISPLAY); 270 mHomeStack = mFocusedStack = mLastFocusedStack = getStack(HOME_STACK_ID); 271 272 mInputManagerInternal = LocalServices.getService(InputManagerInternal.class); 273 } 274 } 275 276 void dismissKeyguard() { 277 if (ActivityManagerService.DEBUG_LOCKSCREEN) mService.logLockScreen(""); 278 if (mDismissKeyguardOnNextActivity) { 279 mDismissKeyguardOnNextActivity = false; 280 mWindowManager.dismissKeyguard(); 281 } 282 } 283 284 ActivityStack getFocusedStack() { 285 return mFocusedStack; 286 } 287 288 ActivityStack getLastStack() { 289 return mLastFocusedStack; 290 } 291 292 // TODO: Split into two methods isFrontStack for any visible stack and isFrontmostStack for the 293 // top of all visible stacks. 294 boolean isFrontStack(ActivityStack stack) { 295 final ActivityRecord parent = stack.mActivityContainer.mParentActivity; 296 if (parent != null) { 297 stack = parent.task.stack; 298 } 299 ArrayList<ActivityStack> stacks = stack.mStacks; 300 if (stacks != null && !stacks.isEmpty()) { 301 return stack == stacks.get(stacks.size() - 1); 302 } 303 return false; 304 } 305 306 void moveHomeStack(boolean toFront) { 307 ArrayList<ActivityStack> stacks = mHomeStack.mStacks; 308 int topNdx = stacks.size() - 1; 309 if (topNdx <= 0) { 310 return; 311 } 312 ActivityStack topStack = stacks.get(topNdx); 313 final boolean homeInFront = topStack == mHomeStack; 314 if (homeInFront != toFront) { 315 mLastFocusedStack = topStack; 316 stacks.remove(mHomeStack); 317 stacks.add(toFront ? topNdx : 0, mHomeStack); 318 mFocusedStack = stacks.get(topNdx); 319 if (DEBUG_STACK) Slog.d(TAG, "moveHomeTask: topStack old=" + topStack + " new=" 320 + mFocusedStack); 321 } 322 } 323 324 void moveHomeStackTaskToTop(int homeStackTaskType) { 325 if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) { 326 mWindowManager.showRecentApps(); 327 return; 328 } 329 moveHomeStack(true); 330 mHomeStack.moveHomeStackTaskToTop(homeStackTaskType); 331 } 332 333 boolean resumeHomeStackTask(int homeStackTaskType, ActivityRecord prev) { 334 if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) { 335 mWindowManager.showRecentApps(); 336 return false; 337 } 338 moveHomeStackTaskToTop(homeStackTaskType); 339 if (prev != null) { 340 prev.task.setTaskToReturnTo(APPLICATION_ACTIVITY_TYPE); 341 } 342 343 ActivityRecord r = mHomeStack.topRunningActivityLocked(null); 344 if (r != null && (r.isHomeActivity() || r.isRecentsActivity())) { 345 mService.setFocusedActivityLocked(r); 346 return resumeTopActivitiesLocked(mHomeStack, prev, null); 347 } 348 return mService.startHomeActivityLocked(mCurrentUser); 349 } 350 351 void setDismissKeyguard(boolean dismiss) { 352 if (ActivityManagerService.DEBUG_LOCKSCREEN) mService.logLockScreen(" dismiss=" + dismiss); 353 mDismissKeyguardOnNextActivity = dismiss; 354 } 355 356 TaskRecord anyTaskForIdLocked(int id) { 357 int numDisplays = mActivityDisplays.size(); 358 for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { 359 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 360 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 361 ActivityStack stack = stacks.get(stackNdx); 362 TaskRecord task = stack.taskForIdLocked(id); 363 if (task != null) { 364 return task; 365 } 366 } 367 } 368 return null; 369 } 370 371 ActivityRecord isInAnyStackLocked(IBinder token) { 372 int numDisplays = mActivityDisplays.size(); 373 for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { 374 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 375 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 376 final ActivityRecord r = stacks.get(stackNdx).isInStackLocked(token); 377 if (r != null) { 378 return r; 379 } 380 } 381 } 382 return null; 383 } 384 385 void setNextTaskId(int taskId) { 386 if (taskId > mCurTaskId) { 387 mCurTaskId = taskId; 388 } 389 } 390 391 int getNextTaskId() { 392 do { 393 mCurTaskId++; 394 if (mCurTaskId <= 0) { 395 mCurTaskId = 1; 396 } 397 } while (anyTaskForIdLocked(mCurTaskId) != null); 398 return mCurTaskId; 399 } 400 401 ActivityRecord resumedAppLocked() { 402 ActivityStack stack = getFocusedStack(); 403 if (stack == null) { 404 return null; 405 } 406 ActivityRecord resumedActivity = stack.mResumedActivity; 407 if (resumedActivity == null || resumedActivity.app == null) { 408 resumedActivity = stack.mPausingActivity; 409 if (resumedActivity == null || resumedActivity.app == null) { 410 resumedActivity = stack.topRunningActivityLocked(null); 411 } 412 } 413 return resumedActivity; 414 } 415 416 boolean attachApplicationLocked(ProcessRecord app) throws Exception { 417 final String processName = app.processName; 418 boolean didSomething = false; 419 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 420 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 421 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 422 final ActivityStack stack = stacks.get(stackNdx); 423 if (!isFrontStack(stack)) { 424 continue; 425 } 426 ActivityRecord hr = stack.topRunningActivityLocked(null); 427 if (hr != null) { 428 if (hr.app == null && app.uid == hr.info.applicationInfo.uid 429 && processName.equals(hr.processName)) { 430 try { 431 if (realStartActivityLocked(hr, app, true, true)) { 432 didSomething = true; 433 } 434 } catch (Exception e) { 435 Slog.w(TAG, "Exception in new application when starting activity " 436 + hr.intent.getComponent().flattenToShortString(), e); 437 throw e; 438 } 439 } 440 } 441 } 442 } 443 if (!didSomething) { 444 ensureActivitiesVisibleLocked(null, 0); 445 } 446 return didSomething; 447 } 448 449 boolean allResumedActivitiesIdle() { 450 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 451 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 452 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 453 final ActivityStack stack = stacks.get(stackNdx); 454 if (!isFrontStack(stack) || stack.numActivities() == 0) { 455 continue; 456 } 457 final ActivityRecord resumedActivity = stack.mResumedActivity; 458 if (resumedActivity == null || !resumedActivity.idle) { 459 if (DEBUG_STATES) Slog.d(TAG, "allResumedActivitiesIdle: stack=" 460 + stack.mStackId + " " + resumedActivity + " not idle"); 461 return false; 462 } 463 } 464 } 465 return true; 466 } 467 468 boolean allResumedActivitiesComplete() { 469 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 470 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 471 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 472 final ActivityStack stack = stacks.get(stackNdx); 473 if (isFrontStack(stack)) { 474 final ActivityRecord r = stack.mResumedActivity; 475 if (r != null && r.state != ActivityState.RESUMED) { 476 return false; 477 } 478 } 479 } 480 } 481 // TODO: Not sure if this should check if all Paused are complete too. 482 if (DEBUG_STACK) Slog.d(TAG, 483 "allResumedActivitiesComplete: mLastFocusedStack changing from=" + 484 mLastFocusedStack + " to=" + mFocusedStack); 485 mLastFocusedStack = mFocusedStack; 486 return true; 487 } 488 489 boolean allResumedActivitiesVisible() { 490 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 491 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 492 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 493 final ActivityStack stack = stacks.get(stackNdx); 494 final ActivityRecord r = stack.mResumedActivity; 495 if (r != null && (!r.nowVisible || r.waitingVisible)) { 496 return false; 497 } 498 } 499 } 500 return true; 501 } 502 503 /** 504 * Pause all activities in either all of the stacks or just the back stacks. 505 * @param userLeaving Passed to pauseActivity() to indicate whether to call onUserLeaving(). 506 * @return true if any activity was paused as a result of this call. 507 */ 508 boolean pauseBackStacks(boolean userLeaving) { 509 boolean someActivityPaused = false; 510 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 511 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 512 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 513 final ActivityStack stack = stacks.get(stackNdx); 514 if (!isFrontStack(stack) && stack.mResumedActivity != null) { 515 if (DEBUG_STATES) Slog.d(TAG, "pauseBackStacks: stack=" + stack + 516 " mResumedActivity=" + stack.mResumedActivity); 517 stack.startPausingLocked(userLeaving, false); 518 someActivityPaused = true; 519 } 520 } 521 } 522 return someActivityPaused; 523 } 524 525 boolean allPausedActivitiesComplete() { 526 boolean pausing = true; 527 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 528 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 529 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 530 final ActivityStack stack = stacks.get(stackNdx); 531 final ActivityRecord r = stack.mPausingActivity; 532 if (r != null && r.state != ActivityState.PAUSED 533 && r.state != ActivityState.STOPPED 534 && r.state != ActivityState.STOPPING) { 535 if (DEBUG_STATES) { 536 Slog.d(TAG, "allPausedActivitiesComplete: r=" + r + " state=" + r.state); 537 pausing = false; 538 } else { 539 return false; 540 } 541 } 542 } 543 } 544 return pausing; 545 } 546 547 void pauseChildStacks(ActivityRecord parent, boolean userLeaving, boolean uiSleeping) { 548 // TODO: Put all stacks in supervisor and iterate through them instead. 549 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 550 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 551 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 552 final ActivityStack stack = stacks.get(stackNdx); 553 if (stack.mResumedActivity != null && 554 stack.mActivityContainer.mParentActivity == parent) { 555 stack.startPausingLocked(userLeaving, uiSleeping); 556 } 557 } 558 } 559 } 560 561 void reportActivityVisibleLocked(ActivityRecord r) { 562 for (int i = mWaitingActivityVisible.size()-1; i >= 0; i--) { 563 WaitResult w = mWaitingActivityVisible.get(i); 564 w.timeout = false; 565 if (r != null) { 566 w.who = new ComponentName(r.info.packageName, r.info.name); 567 } 568 w.totalTime = SystemClock.uptimeMillis() - w.thisTime; 569 w.thisTime = w.totalTime; 570 } 571 mService.notifyAll(); 572 dismissKeyguard(); 573 } 574 575 void reportActivityLaunchedLocked(boolean timeout, ActivityRecord r, 576 long thisTime, long totalTime) { 577 for (int i = mWaitingActivityLaunched.size() - 1; i >= 0; i--) { 578 WaitResult w = mWaitingActivityLaunched.remove(i); 579 w.timeout = timeout; 580 if (r != null) { 581 w.who = new ComponentName(r.info.packageName, r.info.name); 582 } 583 w.thisTime = thisTime; 584 w.totalTime = totalTime; 585 } 586 mService.notifyAll(); 587 } 588 589 ActivityRecord topRunningActivityLocked() { 590 final ActivityStack focusedStack = getFocusedStack(); 591 ActivityRecord r = focusedStack.topRunningActivityLocked(null); 592 if (r != null) { 593 return r; 594 } 595 596 // Return to the home stack. 597 final ArrayList<ActivityStack> stacks = mHomeStack.mStacks; 598 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 599 final ActivityStack stack = stacks.get(stackNdx); 600 if (stack != focusedStack && isFrontStack(stack)) { 601 r = stack.topRunningActivityLocked(null); 602 if (r != null) { 603 return r; 604 } 605 } 606 } 607 return null; 608 } 609 610 void getTasksLocked(int maxNum, List<RunningTaskInfo> list, int callingUid, boolean allowed) { 611 // Gather all of the running tasks for each stack into runningTaskLists. 612 ArrayList<ArrayList<RunningTaskInfo>> runningTaskLists = 613 new ArrayList<ArrayList<RunningTaskInfo>>(); 614 final int numDisplays = mActivityDisplays.size(); 615 for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { 616 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 617 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 618 final ActivityStack stack = stacks.get(stackNdx); 619 ArrayList<RunningTaskInfo> stackTaskList = new ArrayList<RunningTaskInfo>(); 620 runningTaskLists.add(stackTaskList); 621 stack.getTasksLocked(stackTaskList, callingUid, allowed); 622 } 623 } 624 625 // The lists are already sorted from most recent to oldest. Just pull the most recent off 626 // each list and add it to list. Stop when all lists are empty or maxNum reached. 627 while (maxNum > 0) { 628 long mostRecentActiveTime = Long.MIN_VALUE; 629 ArrayList<RunningTaskInfo> selectedStackList = null; 630 final int numTaskLists = runningTaskLists.size(); 631 for (int stackNdx = 0; stackNdx < numTaskLists; ++stackNdx) { 632 ArrayList<RunningTaskInfo> stackTaskList = runningTaskLists.get(stackNdx); 633 if (!stackTaskList.isEmpty()) { 634 final long lastActiveTime = stackTaskList.get(0).lastActiveTime; 635 if (lastActiveTime > mostRecentActiveTime) { 636 mostRecentActiveTime = lastActiveTime; 637 selectedStackList = stackTaskList; 638 } 639 } 640 } 641 if (selectedStackList != null) { 642 list.add(selectedStackList.remove(0)); 643 --maxNum; 644 } else { 645 break; 646 } 647 } 648 } 649 650 ActivityInfo resolveActivity(Intent intent, String resolvedType, int startFlags, 651 String profileFile, ParcelFileDescriptor profileFd, int userId) { 652 // Collect information about the target of the Intent. 653 ActivityInfo aInfo; 654 try { 655 ResolveInfo rInfo = 656 AppGlobals.getPackageManager().resolveIntent( 657 intent, resolvedType, 658 PackageManager.MATCH_DEFAULT_ONLY 659 | ActivityManagerService.STOCK_PM_FLAGS, userId); 660 aInfo = rInfo != null ? rInfo.activityInfo : null; 661 } catch (RemoteException e) { 662 aInfo = null; 663 } 664 665 if (aInfo != null) { 666 // Store the found target back into the intent, because now that 667 // we have it we never want to do this again. For example, if the 668 // user navigates back to this point in the history, we should 669 // always restart the exact same activity. 670 intent.setComponent(new ComponentName( 671 aInfo.applicationInfo.packageName, aInfo.name)); 672 673 // Don't debug things in the system process 674 if ((startFlags&ActivityManager.START_FLAG_DEBUG) != 0) { 675 if (!aInfo.processName.equals("system")) { 676 mService.setDebugApp(aInfo.processName, true, false); 677 } 678 } 679 680 if ((startFlags&ActivityManager.START_FLAG_OPENGL_TRACES) != 0) { 681 if (!aInfo.processName.equals("system")) { 682 mService.setOpenGlTraceApp(aInfo.applicationInfo, aInfo.processName); 683 } 684 } 685 686 if (profileFile != null) { 687 if (!aInfo.processName.equals("system")) { 688 mService.setProfileApp(aInfo.applicationInfo, aInfo.processName, 689 profileFile, profileFd, 690 (startFlags&ActivityManager.START_FLAG_AUTO_STOP_PROFILER) != 0); 691 } 692 } 693 } 694 return aInfo; 695 } 696 697 void startHomeActivity(Intent intent, ActivityInfo aInfo) { 698 moveHomeStackTaskToTop(HOME_ACTIVITY_TYPE); 699 startActivityLocked(null, intent, null, aInfo, null, null, null, null, 0, 0, 0, null, 0, 700 null, false, null, null); 701 } 702 703 final int startActivityMayWait(IApplicationThread caller, int callingUid, 704 String callingPackage, Intent intent, String resolvedType, 705 IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, 706 IBinder resultTo, String resultWho, int requestCode, int startFlags, String profileFile, 707 ParcelFileDescriptor profileFd, WaitResult outResult, Configuration config, 708 Bundle options, int userId, IActivityContainer iContainer) { 709 // Refuse possible leaked file descriptors 710 if (intent != null && intent.hasFileDescriptors()) { 711 throw new IllegalArgumentException("File descriptors passed in Intent"); 712 } 713 boolean componentSpecified = intent.getComponent() != null; 714 715 // Don't modify the client's object! 716 intent = new Intent(intent); 717 718 // Collect information about the target of the Intent. 719 ActivityInfo aInfo = resolveActivity(intent, resolvedType, startFlags, 720 profileFile, profileFd, userId); 721 722 ActivityContainer container = (ActivityContainer)iContainer; 723 synchronized (mService) { 724 int callingPid; 725 if (callingUid >= 0) { 726 callingPid = -1; 727 } else if (caller == null) { 728 callingPid = Binder.getCallingPid(); 729 callingUid = Binder.getCallingUid(); 730 } else { 731 callingPid = callingUid = -1; 732 } 733 734 final ActivityStack stack; 735 if (container == null || container.mStack.isOnHomeDisplay()) { 736 stack = getFocusedStack(); 737 } else { 738 stack = container.mStack; 739 } 740 stack.mConfigWillChange = config != null 741 && mService.mConfiguration.diff(config) != 0; 742 if (DEBUG_CONFIGURATION) Slog.v(TAG, 743 "Starting activity when config will change = " + stack.mConfigWillChange); 744 745 final long origId = Binder.clearCallingIdentity(); 746 747 if (aInfo != null && 748 (aInfo.applicationInfo.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) { 749 // This may be a heavy-weight process! Check to see if we already 750 // have another, different heavy-weight process running. 751 if (aInfo.processName.equals(aInfo.applicationInfo.packageName)) { 752 if (mService.mHeavyWeightProcess != null && 753 (mService.mHeavyWeightProcess.info.uid != aInfo.applicationInfo.uid || 754 !mService.mHeavyWeightProcess.processName.equals(aInfo.processName))) { 755 int realCallingUid = callingUid; 756 if (caller != null) { 757 ProcessRecord callerApp = mService.getRecordForAppLocked(caller); 758 if (callerApp != null) { 759 realCallingUid = callerApp.info.uid; 760 } else { 761 Slog.w(TAG, "Unable to find app for caller " + caller 762 + " (pid=" + callingPid + ") when starting: " 763 + intent.toString()); 764 ActivityOptions.abort(options); 765 return ActivityManager.START_PERMISSION_DENIED; 766 } 767 } 768 769 IIntentSender target = mService.getIntentSenderLocked( 770 ActivityManager.INTENT_SENDER_ACTIVITY, "android", 771 realCallingUid, userId, null, null, 0, new Intent[] { intent }, 772 new String[] { resolvedType }, PendingIntent.FLAG_CANCEL_CURRENT 773 | PendingIntent.FLAG_ONE_SHOT, null); 774 775 Intent newIntent = new Intent(); 776 if (requestCode >= 0) { 777 // Caller is requesting a result. 778 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true); 779 } 780 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT, 781 new IntentSender(target)); 782 if (mService.mHeavyWeightProcess.activities.size() > 0) { 783 ActivityRecord hist = mService.mHeavyWeightProcess.activities.get(0); 784 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_APP, 785 hist.packageName); 786 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_TASK, 787 hist.task.taskId); 788 } 789 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP, 790 aInfo.packageName); 791 newIntent.setFlags(intent.getFlags()); 792 newIntent.setClassName("android", 793 HeavyWeightSwitcherActivity.class.getName()); 794 intent = newIntent; 795 resolvedType = null; 796 caller = null; 797 callingUid = Binder.getCallingUid(); 798 callingPid = Binder.getCallingPid(); 799 componentSpecified = true; 800 try { 801 ResolveInfo rInfo = 802 AppGlobals.getPackageManager().resolveIntent( 803 intent, null, 804 PackageManager.MATCH_DEFAULT_ONLY 805 | ActivityManagerService.STOCK_PM_FLAGS, userId); 806 aInfo = rInfo != null ? rInfo.activityInfo : null; 807 aInfo = mService.getActivityInfoForUser(aInfo, userId); 808 } catch (RemoteException e) { 809 aInfo = null; 810 } 811 } 812 } 813 } 814 815 int res = startActivityLocked(caller, intent, resolvedType, aInfo, 816 voiceSession, voiceInteractor, resultTo, resultWho, 817 requestCode, callingPid, callingUid, callingPackage, startFlags, options, 818 componentSpecified, null, container); 819 820 if (stack.mConfigWillChange) { 821 // If the caller also wants to switch to a new configuration, 822 // do so now. This allows a clean switch, as we are waiting 823 // for the current activity to pause (so we will not destroy 824 // it), and have not yet started the next activity. 825 mService.enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, 826 "updateConfiguration()"); 827 stack.mConfigWillChange = false; 828 if (DEBUG_CONFIGURATION) Slog.v(TAG, 829 "Updating to new configuration after starting activity."); 830 mService.updateConfigurationLocked(config, null, false, false); 831 } 832 833 Binder.restoreCallingIdentity(origId); 834 835 if (outResult != null) { 836 outResult.result = res; 837 if (res == ActivityManager.START_SUCCESS) { 838 mWaitingActivityLaunched.add(outResult); 839 do { 840 try { 841 mService.wait(); 842 } catch (InterruptedException e) { 843 } 844 } while (!outResult.timeout && outResult.who == null); 845 } else if (res == ActivityManager.START_TASK_TO_FRONT) { 846 ActivityRecord r = stack.topRunningActivityLocked(null); 847 if (r.nowVisible) { 848 outResult.timeout = false; 849 outResult.who = new ComponentName(r.info.packageName, r.info.name); 850 outResult.totalTime = 0; 851 outResult.thisTime = 0; 852 } else { 853 outResult.thisTime = SystemClock.uptimeMillis(); 854 mWaitingActivityVisible.add(outResult); 855 do { 856 try { 857 mService.wait(); 858 } catch (InterruptedException e) { 859 } 860 } while (!outResult.timeout && outResult.who == null); 861 } 862 } 863 } 864 865 return res; 866 } 867 } 868 869 final int startActivities(IApplicationThread caller, int callingUid, String callingPackage, 870 Intent[] intents, String[] resolvedTypes, IBinder resultTo, 871 Bundle options, int userId) { 872 if (intents == null) { 873 throw new NullPointerException("intents is null"); 874 } 875 if (resolvedTypes == null) { 876 throw new NullPointerException("resolvedTypes is null"); 877 } 878 if (intents.length != resolvedTypes.length) { 879 throw new IllegalArgumentException("intents are length different than resolvedTypes"); 880 } 881 882 883 int callingPid; 884 if (callingUid >= 0) { 885 callingPid = -1; 886 } else if (caller == null) { 887 callingPid = Binder.getCallingPid(); 888 callingUid = Binder.getCallingUid(); 889 } else { 890 callingPid = callingUid = -1; 891 } 892 final long origId = Binder.clearCallingIdentity(); 893 try { 894 synchronized (mService) { 895 ActivityRecord[] outActivity = new ActivityRecord[1]; 896 for (int i=0; i<intents.length; i++) { 897 Intent intent = intents[i]; 898 if (intent == null) { 899 continue; 900 } 901 902 // Refuse possible leaked file descriptors 903 if (intent != null && intent.hasFileDescriptors()) { 904 throw new IllegalArgumentException("File descriptors passed in Intent"); 905 } 906 907 boolean componentSpecified = intent.getComponent() != null; 908 909 // Don't modify the client's object! 910 intent = new Intent(intent); 911 912 // Collect information about the target of the Intent. 913 ActivityInfo aInfo = resolveActivity(intent, resolvedTypes[i], 914 0, null, null, userId); 915 // TODO: New, check if this is correct 916 aInfo = mService.getActivityInfoForUser(aInfo, userId); 917 918 if (aInfo != null && 919 (aInfo.applicationInfo.flags & ApplicationInfo.FLAG_CANT_SAVE_STATE) 920 != 0) { 921 throw new IllegalArgumentException( 922 "FLAG_CANT_SAVE_STATE not supported here"); 923 } 924 925 Bundle theseOptions; 926 if (options != null && i == intents.length-1) { 927 theseOptions = options; 928 } else { 929 theseOptions = null; 930 } 931 int res = startActivityLocked(caller, intent, resolvedTypes[i], 932 aInfo, null, null, resultTo, null, -1, callingPid, callingUid, callingPackage, 933 0, theseOptions, componentSpecified, outActivity, null); 934 if (res < 0) { 935 return res; 936 } 937 938 resultTo = outActivity[0] != null ? outActivity[0].appToken : null; 939 } 940 } 941 } finally { 942 Binder.restoreCallingIdentity(origId); 943 } 944 945 return ActivityManager.START_SUCCESS; 946 } 947 948 final boolean realStartActivityLocked(ActivityRecord r, 949 ProcessRecord app, boolean andResume, boolean checkConfig) 950 throws RemoteException { 951 952 r.startFreezingScreenLocked(app, 0); 953 if (false) Slog.d(TAG, "realStartActivity: setting app visibility true"); 954 mWindowManager.setAppVisibility(r.appToken, true); 955 956 // schedule launch ticks to collect information about slow apps. 957 r.startLaunchTickingLocked(); 958 959 // Have the window manager re-evaluate the orientation of 960 // the screen based on the new activity order. Note that 961 // as a result of this, it can call back into the activity 962 // manager with a new orientation. We don't care about that, 963 // because the activity is not currently running so we are 964 // just restarting it anyway. 965 if (checkConfig) { 966 Configuration config = mWindowManager.updateOrientationFromAppTokens( 967 mService.mConfiguration, 968 r.mayFreezeScreenLocked(app) ? r.appToken : null); 969 mService.updateConfigurationLocked(config, r, false, false); 970 } 971 972 r.app = app; 973 app.waitingToKill = null; 974 r.launchCount++; 975 r.lastLaunchTime = SystemClock.uptimeMillis(); 976 977 if (localLOGV) Slog.v(TAG, "Launching: " + r); 978 979 int idx = app.activities.indexOf(r); 980 if (idx < 0) { 981 app.activities.add(r); 982 } 983 mService.updateLruProcessLocked(app, true, null); 984 mService.updateOomAdjLocked(); 985 986 final ActivityStack stack = r.task.stack; 987 try { 988 if (app.thread == null) { 989 throw new RemoteException(); 990 } 991 List<ResultInfo> results = null; 992 List<Intent> newIntents = null; 993 if (andResume) { 994 results = r.results; 995 newIntents = r.newIntents; 996 } 997 if (DEBUG_SWITCH) Slog.v(TAG, "Launching: " + r 998 + " icicle=" + r.icicle 999 + " with results=" + results + " newIntents=" + newIntents 1000 + " andResume=" + andResume); 1001 if (andResume) { 1002 EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY, 1003 r.userId, System.identityHashCode(r), 1004 r.task.taskId, r.shortComponentName); 1005 } 1006 if (r.isHomeActivity() && r.isNotResolverActivity()) { 1007 // Home process is the root process of the task. 1008 mService.mHomeProcess = r.task.mActivities.get(0).app; 1009 } 1010 mService.ensurePackageDexOpt(r.intent.getComponent().getPackageName()); 1011 r.sleeping = false; 1012 r.forceNewConfig = false; 1013 mService.showAskCompatModeDialogLocked(r); 1014 r.compat = mService.compatibilityInfoForPackageLocked(r.info.applicationInfo); 1015 String profileFile = null; 1016 ParcelFileDescriptor profileFd = null; 1017 boolean profileAutoStop = false; 1018 if (mService.mProfileApp != null && mService.mProfileApp.equals(app.processName)) { 1019 if (mService.mProfileProc == null || mService.mProfileProc == app) { 1020 mService.mProfileProc = app; 1021 profileFile = mService.mProfileFile; 1022 profileFd = mService.mProfileFd; 1023 profileAutoStop = mService.mAutoStopProfiler; 1024 } 1025 } 1026 app.hasShownUi = true; 1027 app.pendingUiClean = true; 1028 if (profileFd != null) { 1029 try { 1030 profileFd = profileFd.dup(); 1031 } catch (IOException e) { 1032 if (profileFd != null) { 1033 try { 1034 profileFd.close(); 1035 } catch (IOException o) { 1036 } 1037 profileFd = null; 1038 } 1039 } 1040 } 1041 1042 app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_TOP); 1043 app.thread.scheduleLaunchActivity(new Intent(r.intent), r.appToken, 1044 System.identityHashCode(r), r.info, 1045 new Configuration(mService.mConfiguration), r.compat, r.task.voiceInteractor, 1046 app.repProcState, r.icicle, r.persistentState, results, newIntents, !andResume, 1047 mService.isNextTransitionForward(), profileFile, profileFd, profileAutoStop 1048 ); 1049 1050 if ((app.info.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) { 1051 // This may be a heavy-weight process! Note that the package 1052 // manager will ensure that only activity can run in the main 1053 // process of the .apk, which is the only thing that will be 1054 // considered heavy-weight. 1055 if (app.processName.equals(app.info.packageName)) { 1056 if (mService.mHeavyWeightProcess != null 1057 && mService.mHeavyWeightProcess != app) { 1058 Slog.w(TAG, "Starting new heavy weight process " + app 1059 + " when already running " 1060 + mService.mHeavyWeightProcess); 1061 } 1062 mService.mHeavyWeightProcess = app; 1063 Message msg = mService.mHandler.obtainMessage( 1064 ActivityManagerService.POST_HEAVY_NOTIFICATION_MSG); 1065 msg.obj = r; 1066 mService.mHandler.sendMessage(msg); 1067 } 1068 } 1069 1070 } catch (RemoteException e) { 1071 if (r.launchFailed) { 1072 // This is the second time we failed -- finish activity 1073 // and give up. 1074 Slog.e(TAG, "Second failure launching " 1075 + r.intent.getComponent().flattenToShortString() 1076 + ", giving up", e); 1077 mService.appDiedLocked(app, app.pid, app.thread); 1078 stack.requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null, 1079 "2nd-crash", false); 1080 return false; 1081 } 1082 1083 // This is the first time we failed -- restart process and 1084 // retry. 1085 app.activities.remove(r); 1086 throw e; 1087 } 1088 1089 r.launchFailed = false; 1090 if (stack.updateLRUListLocked(r)) { 1091 Slog.w(TAG, "Activity " + r 1092 + " being launched, but already in LRU list"); 1093 } 1094 1095 if (andResume) { 1096 // As part of the process of launching, ActivityThread also performs 1097 // a resume. 1098 stack.minimalResumeActivityLocked(r); 1099 } else { 1100 // This activity is not starting in the resumed state... which 1101 // should look like we asked it to pause+stop (but remain visible), 1102 // and it has done so and reported back the current icicle and 1103 // other state. 1104 if (DEBUG_STATES) Slog.v(TAG, "Moving to STOPPED: " + r 1105 + " (starting in stopped state)"); 1106 r.state = ActivityState.STOPPED; 1107 r.stopped = true; 1108 } 1109 1110 // Launch the new version setup screen if needed. We do this -after- 1111 // launching the initial activity (that is, home), so that it can have 1112 // a chance to initialize itself while in the background, making the 1113 // switch back to it faster and look better. 1114 if (isFrontStack(stack)) { 1115 mService.startSetupActivityLocked(); 1116 } 1117 1118 return true; 1119 } 1120 1121 void startSpecificActivityLocked(ActivityRecord r, 1122 boolean andResume, boolean checkConfig) { 1123 // Is this activity's application already running? 1124 ProcessRecord app = mService.getProcessRecordLocked(r.processName, 1125 r.info.applicationInfo.uid, true); 1126 1127 r.task.stack.setLaunchTime(r); 1128 1129 if (app != null && app.thread != null) { 1130 try { 1131 if ((r.info.flags&ActivityInfo.FLAG_MULTIPROCESS) == 0 1132 || !"android".equals(r.info.packageName)) { 1133 // Don't add this if it is a platform component that is marked 1134 // to run in multiple processes, because this is actually 1135 // part of the framework so doesn't make sense to track as a 1136 // separate apk in the process. 1137 app.addPackage(r.info.packageName, mService.mProcessStats); 1138 } 1139 realStartActivityLocked(r, app, andResume, checkConfig); 1140 return; 1141 } catch (RemoteException e) { 1142 Slog.w(TAG, "Exception when starting activity " 1143 + r.intent.getComponent().flattenToShortString(), e); 1144 } 1145 1146 // If a dead object exception was thrown -- fall through to 1147 // restart the application. 1148 } 1149 1150 mService.startProcessLocked(r.processName, r.info.applicationInfo, true, 0, 1151 "activity", r.intent.getComponent(), false, false, true); 1152 } 1153 1154 final int startActivityLocked(IApplicationThread caller, 1155 Intent intent, String resolvedType, ActivityInfo aInfo, 1156 IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, 1157 IBinder resultTo, String resultWho, int requestCode, 1158 int callingPid, int callingUid, String callingPackage, int startFlags, Bundle options, 1159 boolean componentSpecified, ActivityRecord[] outActivity, ActivityContainer container) { 1160 int err = ActivityManager.START_SUCCESS; 1161 1162 ProcessRecord callerApp = null; 1163 if (caller != null) { 1164 callerApp = mService.getRecordForAppLocked(caller); 1165 if (callerApp != null) { 1166 callingPid = callerApp.pid; 1167 callingUid = callerApp.info.uid; 1168 } else { 1169 Slog.w(TAG, "Unable to find app for caller " + caller 1170 + " (pid=" + callingPid + ") when starting: " 1171 + intent.toString()); 1172 err = ActivityManager.START_PERMISSION_DENIED; 1173 } 1174 } 1175 1176 if (err == ActivityManager.START_SUCCESS) { 1177 final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0; 1178 Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false) 1179 + "} from pid " + (callerApp != null ? callerApp.pid : callingPid) 1180 + " on display " + (container == null ? (mFocusedStack == null ? 1181 Display.DEFAULT_DISPLAY : mFocusedStack.mDisplayId) : 1182 (container.mActivityDisplay == null ? Display.DEFAULT_DISPLAY : 1183 container.mActivityDisplay.mDisplayId))); 1184 } 1185 1186 ActivityRecord sourceRecord = null; 1187 ActivityRecord resultRecord = null; 1188 if (resultTo != null) { 1189 sourceRecord = isInAnyStackLocked(resultTo); 1190 if (DEBUG_RESULTS) Slog.v( 1191 TAG, "Will send result to " + resultTo + " " + sourceRecord); 1192 if (sourceRecord != null) { 1193 if (requestCode >= 0 && !sourceRecord.finishing) { 1194 resultRecord = sourceRecord; 1195 } 1196 } 1197 } 1198 ActivityStack resultStack = resultRecord == null ? null : resultRecord.task.stack; 1199 1200 final int launchFlags = intent.getFlags(); 1201 1202 if ((launchFlags&Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0 1203 && sourceRecord != null) { 1204 // Transfer the result target from the source activity to the new 1205 // one being started, including any failures. 1206 if (requestCode >= 0) { 1207 ActivityOptions.abort(options); 1208 return ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT; 1209 } 1210 resultRecord = sourceRecord.resultTo; 1211 resultWho = sourceRecord.resultWho; 1212 requestCode = sourceRecord.requestCode; 1213 sourceRecord.resultTo = null; 1214 if (resultRecord != null) { 1215 resultRecord.removeResultsLocked(sourceRecord, resultWho, requestCode); 1216 } 1217 if (sourceRecord.launchedFromUid == callingUid) { 1218 // The new activity is being launched from the same uid as the previous 1219 // activity in the flow, and asking to forward its result back to the 1220 // previous. In this case the activity is serving as a trampoline between 1221 // the two, so we also want to update its launchedFromPackage to be the 1222 // same as the previous activity. Note that this is safe, since we know 1223 // these two packages come from the same uid; the caller could just as 1224 // well have supplied that same package name itself. This specifially 1225 // deals with the case of an intent picker/chooser being launched in the app 1226 // flow to redirect to an activity picked by the user, where we want the final 1227 // activity to consider it to have been launched by the previous app activity. 1228 callingPackage = sourceRecord.launchedFromPackage; 1229 } 1230 } 1231 1232 if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) { 1233 // We couldn't find a class that can handle the given Intent. 1234 // That's the end of that! 1235 err = ActivityManager.START_INTENT_NOT_RESOLVED; 1236 } 1237 1238 if (err == ActivityManager.START_SUCCESS && aInfo == null) { 1239 // We couldn't find the specific class specified in the Intent. 1240 // Also the end of the line. 1241 err = ActivityManager.START_CLASS_NOT_FOUND; 1242 } 1243 1244 if (err == ActivityManager.START_SUCCESS && sourceRecord != null 1245 && sourceRecord.task.voiceSession != null) { 1246 // If this activity is being launched as part of a voice session, we need 1247 // to ensure that it is safe to do so. If the upcoming activity will also 1248 // be part of the voice session, we can only launch it if it has explicitly 1249 // said it supports the VOICE category, or it is a part of the calling app. 1250 if ((launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) == 0 1251 && sourceRecord.info.applicationInfo.uid != aInfo.applicationInfo.uid) { 1252 try { 1253 if (!AppGlobals.getPackageManager().activitySupportsIntent(intent.getComponent(), 1254 intent, resolvedType)) { 1255 err = ActivityManager.START_NOT_VOICE_COMPATIBLE; 1256 } 1257 } catch (RemoteException e) { 1258 err = ActivityManager.START_NOT_VOICE_COMPATIBLE; 1259 } 1260 } 1261 } 1262 1263 if (err == ActivityManager.START_SUCCESS && voiceSession != null) { 1264 // If the caller is starting a new voice session, just make sure the target 1265 // is actually allowing it to run this way. 1266 try { 1267 if (!AppGlobals.getPackageManager().activitySupportsIntent(intent.getComponent(), 1268 intent, resolvedType)) { 1269 err = ActivityManager.START_NOT_VOICE_COMPATIBLE; 1270 } 1271 } catch (RemoteException e) { 1272 err = ActivityManager.START_NOT_VOICE_COMPATIBLE; 1273 } 1274 } 1275 1276 if (err != ActivityManager.START_SUCCESS) { 1277 if (resultRecord != null) { 1278 resultStack.sendActivityResultLocked(-1, 1279 resultRecord, resultWho, requestCode, 1280 Activity.RESULT_CANCELED, null); 1281 } 1282 setDismissKeyguard(false); 1283 ActivityOptions.abort(options); 1284 return err; 1285 } 1286 1287 final int startAnyPerm = mService.checkPermission( 1288 START_ANY_ACTIVITY, callingPid, callingUid); 1289 final int componentPerm = mService.checkComponentPermission(aInfo.permission, callingPid, 1290 callingUid, aInfo.applicationInfo.uid, aInfo.exported); 1291 if (startAnyPerm != PERMISSION_GRANTED && componentPerm != PERMISSION_GRANTED) { 1292 if (resultRecord != null) { 1293 resultStack.sendActivityResultLocked(-1, 1294 resultRecord, resultWho, requestCode, 1295 Activity.RESULT_CANCELED, null); 1296 } 1297 setDismissKeyguard(false); 1298 String msg; 1299 if (!aInfo.exported) { 1300 msg = "Permission Denial: starting " + intent.toString() 1301 + " from " + callerApp + " (pid=" + callingPid 1302 + ", uid=" + callingUid + ")" 1303 + " not exported from uid " + aInfo.applicationInfo.uid; 1304 } else { 1305 msg = "Permission Denial: starting " + intent.toString() 1306 + " from " + callerApp + " (pid=" + callingPid 1307 + ", uid=" + callingUid + ")" 1308 + " requires " + aInfo.permission; 1309 } 1310 Slog.w(TAG, msg); 1311 throw new SecurityException(msg); 1312 } 1313 1314 boolean abort = !mService.mIntentFirewall.checkStartActivity(intent, callingUid, 1315 callingPid, resolvedType, aInfo.applicationInfo); 1316 1317 if (mService.mController != null) { 1318 try { 1319 // The Intent we give to the watcher has the extra data 1320 // stripped off, since it can contain private information. 1321 Intent watchIntent = intent.cloneFilter(); 1322 abort |= !mService.mController.activityStarting(watchIntent, 1323 aInfo.applicationInfo.packageName); 1324 } catch (RemoteException e) { 1325 mService.mController = null; 1326 } 1327 } 1328 1329 if (abort) { 1330 if (resultRecord != null) { 1331 resultStack.sendActivityResultLocked(-1, resultRecord, resultWho, requestCode, 1332 Activity.RESULT_CANCELED, null); 1333 } 1334 // We pretend to the caller that it was really started, but 1335 // they will just get a cancel result. 1336 setDismissKeyguard(false); 1337 ActivityOptions.abort(options); 1338 return ActivityManager.START_SUCCESS; 1339 } 1340 1341 ActivityRecord r = new ActivityRecord(mService, callerApp, callingUid, callingPackage, 1342 intent, resolvedType, aInfo, mService.mConfiguration, resultRecord, resultWho, 1343 requestCode, componentSpecified, this, container, options); 1344 if (outActivity != null) { 1345 outActivity[0] = r; 1346 } 1347 1348 final ActivityStack stack = getFocusedStack(); 1349 if (voiceSession == null && (stack.mResumedActivity == null 1350 || stack.mResumedActivity.info.applicationInfo.uid != callingUid)) { 1351 if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, "Activity start")) { 1352 PendingActivityLaunch pal = 1353 new PendingActivityLaunch(r, sourceRecord, startFlags, stack); 1354 mService.mPendingActivityLaunches.add(pal); 1355 setDismissKeyguard(false); 1356 ActivityOptions.abort(options); 1357 return ActivityManager.START_SWITCHES_CANCELED; 1358 } 1359 } 1360 1361 if (mService.mDidAppSwitch) { 1362 // This is the second allowed switch since we stopped switches, 1363 // so now just generally allow switches. Use case: user presses 1364 // home (switches disabled, switch to home, mDidAppSwitch now true); 1365 // user taps a home icon (coming from home so allowed, we hit here 1366 // and now allow anyone to switch again). 1367 mService.mAppSwitchesAllowedTime = 0; 1368 } else { 1369 mService.mDidAppSwitch = true; 1370 } 1371 1372 mService.doPendingActivityLaunchesLocked(false); 1373 1374 err = startActivityUncheckedLocked(r, sourceRecord, voiceSession, voiceInteractor, 1375 startFlags, true, options); 1376 1377 if (allPausedActivitiesComplete()) { 1378 // If someone asked to have the keyguard dismissed on the next 1379 // activity start, but we are not actually doing an activity 1380 // switch... just dismiss the keyguard now, because we 1381 // probably want to see whatever is behind it. 1382 dismissKeyguard(); 1383 } 1384 return err; 1385 } 1386 1387 ActivityStack adjustStackFocus(ActivityRecord r, boolean newTask) { 1388 final TaskRecord task = r.task; 1389 if (r.isApplicationActivity() || (task != null && task.isApplicationTask())) { 1390 if (task != null) { 1391 final ActivityStack taskStack = task.stack; 1392 if (taskStack.isOnHomeDisplay()) { 1393 if (mFocusedStack != taskStack) { 1394 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, "adjustStackFocus: Setting " + 1395 "focused stack to r=" + r + " task=" + task); 1396 mFocusedStack = taskStack; 1397 } else { 1398 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, 1399 "adjustStackFocus: Focused stack already=" + mFocusedStack); 1400 } 1401 } 1402 return taskStack; 1403 } 1404 1405 final ActivityContainer container = r.mInitialActivityContainer; 1406 if (container != null) { 1407 // The first time put it on the desired stack, after this put on task stack. 1408 r.mInitialActivityContainer = null; 1409 return container.mStack; 1410 } 1411 1412 if (mFocusedStack != mHomeStack && (!newTask || 1413 mFocusedStack.mActivityContainer.isEligibleForNewTasks())) { 1414 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, 1415 "adjustStackFocus: Have a focused stack=" + mFocusedStack); 1416 return mFocusedStack; 1417 } 1418 1419 final ArrayList<ActivityStack> homeDisplayStacks = mHomeStack.mStacks; 1420 for (int stackNdx = homeDisplayStacks.size() - 1; stackNdx >= 0; --stackNdx) { 1421 final ActivityStack stack = homeDisplayStacks.get(stackNdx); 1422 if (!stack.isHomeStack()) { 1423 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, 1424 "adjustStackFocus: Setting focused stack=" + stack); 1425 mFocusedStack = stack; 1426 return mFocusedStack; 1427 } 1428 } 1429 1430 // Need to create an app stack for this user. 1431 int stackId = createStackOnDisplay(getNextStackId(), Display.DEFAULT_DISPLAY); 1432 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, "adjustStackFocus: New stack r=" + r + 1433 " stackId=" + stackId); 1434 mFocusedStack = getStack(stackId); 1435 return mFocusedStack; 1436 } 1437 return mHomeStack; 1438 } 1439 1440 void setFocusedStack(ActivityRecord r) { 1441 if (r != null) { 1442 final TaskRecord task = r.task; 1443 boolean isHomeActivity = !r.isApplicationActivity(); 1444 if (!isHomeActivity && task != null) { 1445 isHomeActivity = !task.isApplicationTask(); 1446 } 1447 if (!isHomeActivity && task != null) { 1448 final ActivityRecord parent = task.stack.mActivityContainer.mParentActivity; 1449 isHomeActivity = parent != null && parent.isHomeActivity(); 1450 } 1451 moveHomeStack(isHomeActivity); 1452 } 1453 } 1454 1455 final int startActivityUncheckedLocked(ActivityRecord r, 1456 ActivityRecord sourceRecord, 1457 IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, int startFlags, 1458 boolean doResume, Bundle options) { 1459 final Intent intent = r.intent; 1460 final int callingUid = r.launchedFromUid; 1461 1462 int launchFlags = intent.getFlags(); 1463 1464 // We'll invoke onUserLeaving before onPause only if the launching 1465 // activity did not explicitly state that this is an automated launch. 1466 mUserLeaving = (launchFlags&Intent.FLAG_ACTIVITY_NO_USER_ACTION) == 0; 1467 if (DEBUG_USER_LEAVING) Slog.v(TAG, "startActivity() => mUserLeaving=" + mUserLeaving); 1468 1469 // If the caller has asked not to resume at this point, we make note 1470 // of this in the record so that we can skip it when trying to find 1471 // the top running activity. 1472 if (!doResume) { 1473 r.delayedResume = true; 1474 } 1475 1476 ActivityRecord notTop = (launchFlags&Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP) != 0 ? r : null; 1477 1478 // If the onlyIfNeeded flag is set, then we can do this if the activity 1479 // being launched is the same as the one making the call... or, as 1480 // a special case, if we do not know the caller then we count the 1481 // current top activity as the caller. 1482 if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { 1483 ActivityRecord checkedCaller = sourceRecord; 1484 if (checkedCaller == null) { 1485 checkedCaller = getFocusedStack().topRunningNonDelayedActivityLocked(notTop); 1486 } 1487 if (!checkedCaller.realActivity.equals(r.realActivity)) { 1488 // Caller is not the same as launcher, so always needed. 1489 startFlags &= ~ActivityManager.START_FLAG_ONLY_IF_NEEDED; 1490 } 1491 } 1492 1493 switch (r.info.documentLaunchMode) { 1494 case ActivityInfo.DOCUMENT_LAUNCH_NONE: 1495 break; 1496 case ActivityInfo.DOCUMENT_LAUNCH_ALWAYS: 1497 intent.addFlags( 1498 Intent.FLAG_ACTIVITY_NEW_DOCUMENT | Intent.FLAG_ACTIVITY_MULTIPLE_TASK); 1499 break; 1500 case ActivityInfo.DOCUMENT_LAUNCH_INTO_EXISTING: 1501 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT); 1502 break; 1503 } 1504 final boolean newDocument = intent.isDocument(); 1505 if (sourceRecord == null) { 1506 // This activity is not being started from another... in this 1507 // case we -always- start a new task. 1508 if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { 1509 Slog.w(TAG, "startActivity called from non-Activity context; forcing " + 1510 "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent); 1511 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1512 } 1513 } else if (newDocument) { 1514 if (r.launchMode != ActivityInfo.LAUNCH_MULTIPLE) { 1515 Slog.w(TAG, "FLAG_ACTIVITY_NEW_DOCUMENT and launchMode != \"standard\""); 1516 r.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 1517 } 1518 } else if (sourceRecord.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { 1519 // The original activity who is starting us is running as a single 1520 // instance... this new activity it is starting must go on its 1521 // own task. 1522 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1523 } else if (r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE 1524 || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK) { 1525 // The activity being started is a single instance... it always 1526 // gets launched into its own task. 1527 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1528 } 1529 1530 ActivityInfo newTaskInfo = null; 1531 Intent newTaskIntent = null; 1532 final ActivityStack sourceStack; 1533 if (sourceRecord != null) { 1534 if (sourceRecord.finishing) { 1535 // If the source is finishing, we can't further count it as our source. This 1536 // is because the task it is associated with may now be empty and on its way out, 1537 // so we don't want to blindly throw it in to that task. Instead we will take 1538 // the NEW_TASK flow and try to find a task for it. But save the task information 1539 // so it can be used when creating the new task. 1540 if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { 1541 Slog.w(TAG, "startActivity called from finishing " + sourceRecord 1542 + "; forcing " + "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent); 1543 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1544 newTaskInfo = sourceRecord.info; 1545 newTaskIntent = sourceRecord.task.intent; 1546 } 1547 sourceRecord = null; 1548 sourceStack = null; 1549 } else { 1550 sourceStack = sourceRecord.task.stack; 1551 } 1552 } else { 1553 sourceStack = null; 1554 } 1555 1556 if (r.resultTo != null && (launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 1557 // For whatever reason this activity is being launched into a new 1558 // task... yet the caller has requested a result back. Well, that 1559 // is pretty messed up, so instead immediately send back a cancel 1560 // and let the new task continue launched as normal without a 1561 // dependency on its originator. 1562 Slog.w(TAG, "Activity is launching as a new task, so cancelling activity result."); 1563 r.resultTo.task.stack.sendActivityResultLocked(-1, 1564 r.resultTo, r.resultWho, r.requestCode, 1565 Activity.RESULT_CANCELED, null); 1566 r.resultTo = null; 1567 } 1568 1569 boolean addingToTask = false; 1570 boolean movedHome = false; 1571 TaskRecord reuseTask = null; 1572 ActivityStack targetStack; 1573 if (((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0 && 1574 (launchFlags & Intent.FLAG_ACTIVITY_MULTIPLE_TASK) == 0) 1575 || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK 1576 || r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { 1577 // If bring to front is requested, and no result is requested, and 1578 // we can find a task that was started with this same 1579 // component, then instead of launching bring that one to the front. 1580 if (r.resultTo == null) { 1581 // See if there is a task to bring to the front. If this is 1582 // a SINGLE_INSTANCE activity, there can be one and only one 1583 // instance of it in the history, and it is always in its own 1584 // unique task, so we do a special search. 1585 ActivityRecord intentActivity = r.launchMode != ActivityInfo.LAUNCH_SINGLE_INSTANCE 1586 ? findTaskLocked(r) 1587 : findActivityLocked(intent, r.info); 1588 if (intentActivity != null) { 1589 if (isLockTaskModeViolation(intentActivity.task)) { 1590 Slog.e(TAG, "moveTaskToFront: Attempt to violate Lock Task Mode"); 1591 return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; 1592 } 1593 if (r.task == null) { 1594 r.task = intentActivity.task; 1595 } 1596 targetStack = intentActivity.task.stack; 1597 targetStack.mLastPausedActivity = null; 1598 if (DEBUG_TASKS) Slog.d(TAG, "Bring to front target: " + targetStack 1599 + " from " + intentActivity); 1600 targetStack.moveToFront(); 1601 if (intentActivity.task.intent == null) { 1602 // This task was started because of movement of 1603 // the activity based on affinity... now that we 1604 // are actually launching it, we can assign the 1605 // base intent. 1606 intentActivity.task.setIntent(intent, r.info); 1607 } 1608 // If the target task is not in the front, then we need 1609 // to bring it to the front... except... well, with 1610 // SINGLE_TASK_LAUNCH it's not entirely clear. We'd like 1611 // to have the same behavior as if a new instance was 1612 // being started, which means not bringing it to the front 1613 // if the caller is not itself in the front. 1614 final ActivityStack lastStack = getLastStack(); 1615 ActivityRecord curTop = lastStack == null? 1616 null : lastStack.topRunningNonDelayedActivityLocked(notTop); 1617 if (curTop != null && (curTop.task != intentActivity.task || 1618 curTop.task != lastStack.topTask())) { 1619 r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1620 if (sourceRecord == null || (sourceStack.topActivity() != null && 1621 sourceStack.topActivity().task == sourceRecord.task)) { 1622 // We really do want to push this one into the 1623 // user's face, right now. 1624 movedHome = true; 1625 targetStack.moveTaskToFrontLocked(intentActivity.task, r, options); 1626 if ((launchFlags & 1627 (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) 1628 == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) { 1629 // Caller wants to appear on home activity. 1630 intentActivity.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); 1631 } 1632 options = null; 1633 } 1634 } 1635 // If the caller has requested that the target task be 1636 // reset, then do so. 1637 if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { 1638 intentActivity = targetStack.resetTaskIfNeededLocked(intentActivity, r); 1639 } 1640 if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { 1641 // We don't need to start a new activity, and 1642 // the client said not to do anything if that 1643 // is the case, so this is it! And for paranoia, make 1644 // sure we have correctly resumed the top activity. 1645 if (doResume) { 1646 resumeTopActivitiesLocked(targetStack, null, options); 1647 } else { 1648 ActivityOptions.abort(options); 1649 } 1650 return ActivityManager.START_RETURN_INTENT_TO_CALLER; 1651 } 1652 if ((launchFlags & 1653 (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TASK)) 1654 == (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TASK)) { 1655 // The caller has requested to completely replace any 1656 // existing task with its new activity. Well that should 1657 // not be too hard... 1658 reuseTask = intentActivity.task; 1659 reuseTask.performClearTaskLocked(); 1660 reuseTask.setIntent(r.intent, r.info); 1661 } else if ((launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0 1662 || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK 1663 || r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { 1664 // In this situation we want to remove all activities 1665 // from the task up to the one being started. In most 1666 // cases this means we are resetting the task to its 1667 // initial state. 1668 ActivityRecord top = 1669 intentActivity.task.performClearTaskLocked(r, launchFlags); 1670 if (top != null) { 1671 if (top.frontOfTask) { 1672 // Activity aliases may mean we use different 1673 // intents for the top activity, so make sure 1674 // the task now has the identity of the new 1675 // intent. 1676 top.task.setIntent(r.intent, r.info); 1677 } 1678 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, 1679 r, top.task); 1680 top.deliverNewIntentLocked(callingUid, r.intent); 1681 } else { 1682 // A special case: we need to 1683 // start the activity because it is not currently 1684 // running, and the caller has asked to clear the 1685 // current task to have this activity at the top. 1686 addingToTask = true; 1687 // Now pretend like this activity is being started 1688 // by the top of its task, so it is put in the 1689 // right place. 1690 sourceRecord = intentActivity; 1691 } 1692 } else if (r.realActivity.equals(intentActivity.task.realActivity)) { 1693 // In this case the top activity on the task is the 1694 // same as the one being launched, so we take that 1695 // as a request to bring the task to the foreground. 1696 // If the top activity in the task is the root 1697 // activity, deliver this new intent to it if it 1698 // desires. 1699 if (((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 1700 || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) 1701 && intentActivity.realActivity.equals(r.realActivity)) { 1702 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, 1703 intentActivity.task); 1704 if (intentActivity.frontOfTask) { 1705 intentActivity.task.setIntent(r.intent, r.info); 1706 } 1707 intentActivity.deliverNewIntentLocked(callingUid, r.intent); 1708 } else if (!r.intent.filterEquals(intentActivity.task.intent)) { 1709 // In this case we are launching the root activity 1710 // of the task, but with a different intent. We 1711 // should start a new instance on top. 1712 addingToTask = true; 1713 sourceRecord = intentActivity; 1714 } 1715 } else if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) == 0) { 1716 // In this case an activity is being launched in to an 1717 // existing task, without resetting that task. This 1718 // is typically the situation of launching an activity 1719 // from a notification or shortcut. We want to place 1720 // the new activity on top of the current task. 1721 addingToTask = true; 1722 sourceRecord = intentActivity; 1723 } else if (!intentActivity.task.rootWasReset) { 1724 // In this case we are launching in to an existing task 1725 // that has not yet been started from its front door. 1726 // The current task has been brought to the front. 1727 // Ideally, we'd probably like to place this new task 1728 // at the bottom of its stack, but that's a little hard 1729 // to do with the current organization of the code so 1730 // for now we'll just drop it. 1731 intentActivity.task.setIntent(r.intent, r.info); 1732 } 1733 if (!addingToTask && reuseTask == null) { 1734 // We didn't do anything... but it was needed (a.k.a., client 1735 // don't use that intent!) And for paranoia, make 1736 // sure we have correctly resumed the top activity. 1737 if (doResume) { 1738 targetStack.resumeTopActivityLocked(null, options); 1739 } else { 1740 ActivityOptions.abort(options); 1741 } 1742 return ActivityManager.START_TASK_TO_FRONT; 1743 } 1744 } 1745 } 1746 } 1747 1748 //String uri = r.intent.toURI(); 1749 //Intent intent2 = new Intent(uri); 1750 //Slog.i(TAG, "Given intent: " + r.intent); 1751 //Slog.i(TAG, "URI is: " + uri); 1752 //Slog.i(TAG, "To intent: " + intent2); 1753 1754 if (r.packageName != null) { 1755 // If the activity being launched is the same as the one currently 1756 // at the top, then we need to check if it should only be launched 1757 // once. 1758 ActivityStack topStack = getFocusedStack(); 1759 ActivityRecord top = topStack.topRunningNonDelayedActivityLocked(notTop); 1760 if (top != null && r.resultTo == null) { 1761 if (top.realActivity.equals(r.realActivity) && top.userId == r.userId) { 1762 if (top.app != null && top.app.thread != null) { 1763 if ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 1764 || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP 1765 || r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK) { 1766 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, 1767 top.task); 1768 // For paranoia, make sure we have correctly 1769 // resumed the top activity. 1770 topStack.mLastPausedActivity = null; 1771 if (doResume) { 1772 resumeTopActivitiesLocked(); 1773 } 1774 ActivityOptions.abort(options); 1775 if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { 1776 // We don't need to start a new activity, and 1777 // the client said not to do anything if that 1778 // is the case, so this is it! 1779 return ActivityManager.START_RETURN_INTENT_TO_CALLER; 1780 } 1781 top.deliverNewIntentLocked(callingUid, r.intent); 1782 return ActivityManager.START_DELIVERED_TO_TOP; 1783 } 1784 } 1785 } 1786 } 1787 1788 } else { 1789 if (r.resultTo != null) { 1790 r.resultTo.task.stack.sendActivityResultLocked(-1, r.resultTo, r.resultWho, 1791 r.requestCode, Activity.RESULT_CANCELED, null); 1792 } 1793 ActivityOptions.abort(options); 1794 return ActivityManager.START_CLASS_NOT_FOUND; 1795 } 1796 1797 boolean newTask = false; 1798 boolean keepCurTransition = false; 1799 1800 // Should this be considered a new task? 1801 if (r.resultTo == null && !addingToTask 1802 && (launchFlags&Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 1803 if (isLockTaskModeViolation(reuseTask)) { 1804 Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); 1805 return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; 1806 } 1807 newTask = true; 1808 targetStack = adjustStackFocus(r, newTask); 1809 targetStack.moveToFront(); 1810 if (reuseTask == null) { 1811 r.setTask(targetStack.createTaskRecord(getNextTaskId(), 1812 newTaskInfo != null ? newTaskInfo : r.info, 1813 newTaskIntent != null ? newTaskIntent : intent, 1814 voiceSession, voiceInteractor, true), null, true); 1815 if (sourceRecord == null) { 1816 // Launched from a service or notification or task that is finishing. 1817 r.task.setTaskToReturnTo(isFrontStack(mHomeStack) ? 1818 mHomeStack.topTask().taskType : RECENTS_ACTIVITY_TYPE); 1819 } 1820 if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r + " in new task " + 1821 r.task); 1822 } else { 1823 r.setTask(reuseTask, reuseTask, true); 1824 } 1825 if (!movedHome) { 1826 if ((launchFlags & 1827 (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) 1828 == (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) { 1829 // Caller wants to appear on home activity, so before starting 1830 // their own activity we will bring home to the front. 1831 r.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); 1832 } 1833 } 1834 } else if (sourceRecord != null) { 1835 TaskRecord sourceTask = sourceRecord.task; 1836 if (isLockTaskModeViolation(sourceTask)) { 1837 Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); 1838 return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; 1839 } 1840 targetStack = sourceTask.stack; 1841 targetStack.moveToFront(); 1842 mWindowManager.moveTaskToTop(targetStack.topTask().taskId); 1843 if (!addingToTask && 1844 (launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) { 1845 // In this case, we are adding the activity to an existing 1846 // task, but the caller has asked to clear that task if the 1847 // activity is already running. 1848 ActivityRecord top = sourceTask.performClearTaskLocked(r, launchFlags); 1849 keepCurTransition = true; 1850 if (top != null) { 1851 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task); 1852 top.deliverNewIntentLocked(callingUid, r.intent); 1853 // For paranoia, make sure we have correctly 1854 // resumed the top activity. 1855 targetStack.mLastPausedActivity = null; 1856 if (doResume) { 1857 targetStack.resumeTopActivityLocked(null); 1858 } 1859 ActivityOptions.abort(options); 1860 return ActivityManager.START_DELIVERED_TO_TOP; 1861 } 1862 } else if (!addingToTask && 1863 (launchFlags&Intent.FLAG_ACTIVITY_REORDER_TO_FRONT) != 0) { 1864 // In this case, we are launching an activity in our own task 1865 // that may already be running somewhere in the history, and 1866 // we want to shuffle it to the front of the stack if so. 1867 final ActivityRecord top = sourceTask.findActivityInHistoryLocked(r); 1868 if (top != null) { 1869 final TaskRecord task = top.task; 1870 task.moveActivityToFrontLocked(top); 1871 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, task); 1872 top.updateOptionsLocked(options); 1873 top.deliverNewIntentLocked(callingUid, r.intent); 1874 targetStack.mLastPausedActivity = null; 1875 if (doResume) { 1876 targetStack.resumeTopActivityLocked(null); 1877 } 1878 return ActivityManager.START_DELIVERED_TO_TOP; 1879 } 1880 } 1881 // An existing activity is starting this new activity, so we want 1882 // to keep the new one in the same task as the one that is starting 1883 // it. 1884 r.setTask(sourceTask, sourceRecord.thumbHolder, false); 1885 if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r 1886 + " in existing task " + r.task + " from source " + sourceRecord); 1887 1888 } else { 1889 // This not being started from an existing activity, and not part 1890 // of a new task... just put it in the top task, though these days 1891 // this case should never happen. 1892 targetStack = adjustStackFocus(r, newTask); 1893 targetStack.moveToFront(); 1894 ActivityRecord prev = targetStack.topActivity(); 1895 r.setTask(prev != null ? prev.task 1896 : targetStack.createTaskRecord(getNextTaskId(), r.info, intent, null, null, true), 1897 null, true); 1898 mWindowManager.moveTaskToTop(r.task.taskId); 1899 if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r 1900 + " in new guessed " + r.task); 1901 } 1902 1903 mService.grantUriPermissionFromIntentLocked(callingUid, r.packageName, 1904 intent, r.getUriPermissionsLocked()); 1905 1906 if (newTask) { 1907 EventLog.writeEvent(EventLogTags.AM_CREATE_TASK, r.userId, r.task.taskId); 1908 } 1909 ActivityStack.logStartActivity(EventLogTags.AM_CREATE_ACTIVITY, r, r.task); 1910 targetStack.mLastPausedActivity = null; 1911 targetStack.startActivityLocked(r, newTask, doResume, keepCurTransition, options); 1912 mService.setFocusedActivityLocked(r); 1913 return ActivityManager.START_SUCCESS; 1914 } 1915 1916 void acquireLaunchWakelock() { 1917 if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) { 1918 throw new IllegalStateException("Calling must be system uid"); 1919 } 1920 mLaunchingActivity.acquire(); 1921 if (!mHandler.hasMessages(LAUNCH_TIMEOUT_MSG)) { 1922 // To be safe, don't allow the wake lock to be held for too long. 1923 mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT); 1924 } 1925 } 1926 1927 // Checked. 1928 final ActivityRecord activityIdleInternalLocked(final IBinder token, boolean fromTimeout, 1929 Configuration config) { 1930 if (localLOGV) Slog.v(TAG, "Activity idle: " + token); 1931 1932 ArrayList<ActivityRecord> stops = null; 1933 ArrayList<ActivityRecord> finishes = null; 1934 ArrayList<UserStartedState> startingUsers = null; 1935 int NS = 0; 1936 int NF = 0; 1937 boolean booting = false; 1938 boolean enableScreen = false; 1939 boolean activityRemoved = false; 1940 1941 ActivityRecord r = ActivityRecord.forToken(token); 1942 if (r != null) { 1943 if (DEBUG_IDLE) Slog.d(TAG, "activityIdleInternalLocked: Callers=" + 1944 Debug.getCallers(4)); 1945 mHandler.removeMessages(IDLE_TIMEOUT_MSG, r); 1946 r.finishLaunchTickingLocked(); 1947 if (fromTimeout) { 1948 reportActivityLaunchedLocked(fromTimeout, r, -1, -1); 1949 } 1950 1951 // This is a hack to semi-deal with a race condition 1952 // in the client where it can be constructed with a 1953 // newer configuration from when we asked it to launch. 1954 // We'll update with whatever configuration it now says 1955 // it used to launch. 1956 if (config != null) { 1957 r.configuration = config; 1958 } 1959 1960 // We are now idle. If someone is waiting for a thumbnail from 1961 // us, we can now deliver. 1962 r.idle = true; 1963 1964 //Slog.i(TAG, "IDLE: mBooted=" + mBooted + ", fromTimeout=" + fromTimeout); 1965 if (!mService.mBooted && isFrontStack(r.task.stack)) { 1966 mService.mBooted = true; 1967 enableScreen = true; 1968 } 1969 } 1970 1971 if (allResumedActivitiesIdle()) { 1972 if (r != null) { 1973 mService.scheduleAppGcsLocked(); 1974 } 1975 1976 if (mLaunchingActivity.isHeld()) { 1977 mHandler.removeMessages(LAUNCH_TIMEOUT_MSG); 1978 if (VALIDATE_WAKE_LOCK_CALLER && 1979 Binder.getCallingUid() != Process.myUid()) { 1980 throw new IllegalStateException("Calling must be system uid"); 1981 } 1982 mLaunchingActivity.release(); 1983 } 1984 ensureActivitiesVisibleLocked(null, 0); 1985 } 1986 1987 // Atomically retrieve all of the other things to do. 1988 stops = processStoppingActivitiesLocked(true); 1989 NS = stops != null ? stops.size() : 0; 1990 if ((NF=mFinishingActivities.size()) > 0) { 1991 finishes = new ArrayList<ActivityRecord>(mFinishingActivities); 1992 mFinishingActivities.clear(); 1993 } 1994 1995 if (isFrontStack(mHomeStack)) { 1996 booting = mService.mBooting; 1997 mService.mBooting = false; 1998 } 1999 2000 if (mStartingUsers.size() > 0) { 2001 startingUsers = new ArrayList<UserStartedState>(mStartingUsers); 2002 mStartingUsers.clear(); 2003 } 2004 2005 // Stop any activities that are scheduled to do so but have been 2006 // waiting for the next one to start. 2007 for (int i = 0; i < NS; i++) { 2008 r = stops.get(i); 2009 final ActivityStack stack = r.task.stack; 2010 if (r.finishing) { 2011 stack.finishCurrentActivityLocked(r, ActivityStack.FINISH_IMMEDIATELY, false); 2012 } else { 2013 stack.stopActivityLocked(r); 2014 } 2015 } 2016 2017 // Finish any activities that are scheduled to do so but have been 2018 // waiting for the next one to start. 2019 for (int i = 0; i < NF; i++) { 2020 r = finishes.get(i); 2021 activityRemoved |= r.task.stack.destroyActivityLocked(r, true, false, "finish-idle"); 2022 } 2023 2024 if (booting) { 2025 mService.finishBooting(); 2026 } else { 2027 // Complete user switch 2028 if (startingUsers != null) { 2029 for (int i = 0; i < startingUsers.size(); i++) { 2030 mService.finishUserSwitch(startingUsers.get(i)); 2031 } 2032 } 2033 // Complete starting up of background users 2034 if (mStartingBackgroundUsers.size() > 0) { 2035 startingUsers = new ArrayList<UserStartedState>(mStartingBackgroundUsers); 2036 mStartingBackgroundUsers.clear(); 2037 for (int i = 0; i < startingUsers.size(); i++) { 2038 mService.finishUserBoot(startingUsers.get(i)); 2039 } 2040 } 2041 } 2042 2043 mService.trimApplications(); 2044 //dump(); 2045 //mWindowManager.dump(); 2046 2047 if (enableScreen) { 2048 mService.enableScreenAfterBoot(); 2049 } 2050 2051 if (activityRemoved) { 2052 resumeTopActivitiesLocked(); 2053 } 2054 2055 return r; 2056 } 2057 2058 boolean handleAppDiedLocked(ProcessRecord app) { 2059 boolean hasVisibleActivities = false; 2060 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2061 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2062 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2063 hasVisibleActivities |= stacks.get(stackNdx).handleAppDiedLocked(app); 2064 } 2065 } 2066 return hasVisibleActivities; 2067 } 2068 2069 void closeSystemDialogsLocked() { 2070 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2071 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2072 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2073 stacks.get(stackNdx).closeSystemDialogsLocked(); 2074 } 2075 } 2076 } 2077 2078 void removeUserLocked(int userId) { 2079 mUserStackInFront.delete(userId); 2080 } 2081 2082 /** 2083 * @return true if some activity was finished (or would have finished if doit were true). 2084 */ 2085 boolean forceStopPackageLocked(String name, boolean doit, boolean evenPersistent, int userId) { 2086 boolean didSomething = false; 2087 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2088 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2089 final int numStacks = stacks.size(); 2090 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2091 final ActivityStack stack = stacks.get(stackNdx); 2092 if (stack.forceStopPackageLocked(name, doit, evenPersistent, userId)) { 2093 didSomething = true; 2094 } 2095 } 2096 } 2097 return didSomething; 2098 } 2099 2100 void updatePreviousProcessLocked(ActivityRecord r) { 2101 // Now that this process has stopped, we may want to consider 2102 // it to be the previous app to try to keep around in case 2103 // the user wants to return to it. 2104 2105 // First, found out what is currently the foreground app, so that 2106 // we don't blow away the previous app if this activity is being 2107 // hosted by the process that is actually still the foreground. 2108 ProcessRecord fgApp = null; 2109 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2110 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2111 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2112 final ActivityStack stack = stacks.get(stackNdx); 2113 if (isFrontStack(stack)) { 2114 if (stack.mResumedActivity != null) { 2115 fgApp = stack.mResumedActivity.app; 2116 } else if (stack.mPausingActivity != null) { 2117 fgApp = stack.mPausingActivity.app; 2118 } 2119 break; 2120 } 2121 } 2122 } 2123 2124 // Now set this one as the previous process, only if that really 2125 // makes sense to. 2126 if (r.app != null && fgApp != null && r.app != fgApp 2127 && r.lastVisibleTime > mService.mPreviousProcessVisibleTime 2128 && r.app != mService.mHomeProcess) { 2129 mService.mPreviousProcess = r.app; 2130 mService.mPreviousProcessVisibleTime = r.lastVisibleTime; 2131 } 2132 } 2133 2134 boolean resumeTopActivitiesLocked() { 2135 return resumeTopActivitiesLocked(null, null, null); 2136 } 2137 2138 boolean resumeTopActivitiesLocked(ActivityStack targetStack, ActivityRecord target, 2139 Bundle targetOptions) { 2140 if (targetStack == null) { 2141 targetStack = getFocusedStack(); 2142 } 2143 // Do targetStack first. 2144 boolean result = false; 2145 if (isFrontStack(targetStack)) { 2146 result = targetStack.resumeTopActivityLocked(target, targetOptions); 2147 } 2148 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2149 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2150 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2151 final ActivityStack stack = stacks.get(stackNdx); 2152 if (stack == targetStack) { 2153 // Already started above. 2154 continue; 2155 } 2156 if (isFrontStack(stack)) { 2157 stack.resumeTopActivityLocked(null); 2158 } 2159 } 2160 } 2161 return result; 2162 } 2163 2164 void finishTopRunningActivityLocked(ProcessRecord app) { 2165 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2166 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2167 final int numStacks = stacks.size(); 2168 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2169 final ActivityStack stack = stacks.get(stackNdx); 2170 stack.finishTopRunningActivityLocked(app); 2171 } 2172 } 2173 } 2174 2175 void findTaskToMoveToFrontLocked(TaskRecord task, int flags, Bundle options) { 2176 if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) { 2177 mUserLeaving = true; 2178 } 2179 if ((flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0) { 2180 // Caller wants the home activity moved with it. To accomplish this, 2181 // we'll just indicate that this task returns to the home task. 2182 task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); 2183 } 2184 task.stack.moveTaskToFrontLocked(task, null, options); 2185 if (DEBUG_STACK) Slog.d(TAG, "findTaskToMoveToFront: moved to front of stack=" 2186 + task.stack); 2187 } 2188 2189 ActivityStack getStack(int stackId) { 2190 ActivityContainer activityContainer = mActivityContainers.get(stackId); 2191 if (activityContainer != null) { 2192 return activityContainer.mStack; 2193 } 2194 return null; 2195 } 2196 2197 ArrayList<ActivityStack> getStacks() { 2198 ArrayList<ActivityStack> allStacks = new ArrayList<ActivityStack>(); 2199 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2200 allStacks.addAll(mActivityDisplays.valueAt(displayNdx).mStacks); 2201 } 2202 return allStacks; 2203 } 2204 2205 IBinder getHomeActivityToken() { 2206 final ArrayList<TaskRecord> tasks = mHomeStack.getAllTasks(); 2207 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 2208 final TaskRecord task = tasks.get(taskNdx); 2209 if (task.isHomeTask()) { 2210 final ArrayList<ActivityRecord> activities = task.mActivities; 2211 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 2212 final ActivityRecord r = activities.get(activityNdx); 2213 if (r.isHomeActivity()) { 2214 return r.appToken; 2215 } 2216 } 2217 } 2218 } 2219 return null; 2220 } 2221 2222 ActivityContainer createActivityContainer(ActivityRecord parentActivity, 2223 IActivityContainerCallback callback) { 2224 ActivityContainer activityContainer = new VirtualActivityContainer(parentActivity, callback); 2225 mActivityContainers.put(activityContainer.mStackId, activityContainer); 2226 parentActivity.mChildContainers.add(activityContainer); 2227 return activityContainer; 2228 } 2229 2230 void removeChildActivityContainers(ActivityRecord parentActivity) { 2231 final ArrayList<ActivityContainer> childStacks = parentActivity.mChildContainers; 2232 for (int containerNdx = childStacks.size() - 1; containerNdx >= 0; --containerNdx) { 2233 ActivityContainer container = childStacks.remove(containerNdx); 2234 container.release(); 2235 } 2236 } 2237 2238 void deleteActivityContainer(IActivityContainer container) { 2239 ActivityContainer activityContainer = (ActivityContainer)container; 2240 if (activityContainer != null) { 2241 activityContainer.mStack.finishAllActivitiesLocked(); 2242 final ActivityRecord parent = activityContainer.mParentActivity; 2243 if (parent != null) { 2244 parent.mChildContainers.remove(activityContainer); 2245 } 2246 final int stackId = activityContainer.mStackId; 2247 mActivityContainers.remove(stackId); 2248 mWindowManager.removeStack(stackId); 2249 } 2250 } 2251 2252 private int createStackOnDisplay(int stackId, int displayId) { 2253 ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); 2254 if (activityDisplay == null) { 2255 return -1; 2256 } 2257 2258 ActivityContainer activityContainer = new ActivityContainer(stackId); 2259 mActivityContainers.put(stackId, activityContainer); 2260 activityContainer.attachToDisplayLocked(activityDisplay); 2261 return stackId; 2262 } 2263 2264 int getNextStackId() { 2265 while (true) { 2266 if (++mLastStackId <= HOME_STACK_ID) { 2267 mLastStackId = HOME_STACK_ID + 1; 2268 } 2269 if (getStack(mLastStackId) == null) { 2270 break; 2271 } 2272 } 2273 return mLastStackId; 2274 } 2275 2276 void createStackForRestoredTaskHistory(ArrayList<TaskRecord> tasks) { 2277 int stackId = createStackOnDisplay(getNextStackId(), Display.DEFAULT_DISPLAY); 2278 final ActivityStack stack = getStack(stackId); 2279 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 2280 final TaskRecord task = tasks.get(taskNdx); 2281 stack.addTask(task, false, false); 2282 final int taskId = task.taskId; 2283 final ArrayList<ActivityRecord> activities = task.mActivities; 2284 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 2285 final ActivityRecord r = activities.get(activityNdx); 2286 mWindowManager.addAppToken(0, r.appToken, taskId, stackId, 2287 r.info.screenOrientation, r.fullscreen, 2288 (r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0, 2289 r.userId, r.info.configChanges); 2290 } 2291 mWindowManager.addTask(taskId, stackId, false); 2292 } 2293 resumeHomeStackTask(HOME_ACTIVITY_TYPE, null); 2294 } 2295 2296 void moveTaskToStack(int taskId, int stackId, boolean toTop) { 2297 final TaskRecord task = anyTaskForIdLocked(taskId); 2298 if (task == null) { 2299 return; 2300 } 2301 final ActivityStack stack = getStack(stackId); 2302 if (stack == null) { 2303 Slog.w(TAG, "moveTaskToStack: no stack for id=" + stackId); 2304 return; 2305 } 2306 task.stack.removeTask(task); 2307 stack.addTask(task, toTop, true); 2308 mWindowManager.addTask(taskId, stackId, toTop); 2309 resumeTopActivitiesLocked(); 2310 } 2311 2312 ActivityRecord findTaskLocked(ActivityRecord r) { 2313 if (DEBUG_TASKS) Slog.d(TAG, "Looking for task of " + r); 2314 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2315 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2316 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2317 final ActivityStack stack = stacks.get(stackNdx); 2318 if (!r.isApplicationActivity() && !stack.isHomeStack()) { 2319 if (DEBUG_TASKS) Slog.d(TAG, "Skipping stack: (home activity) " + stack); 2320 continue; 2321 } 2322 if (!stack.mActivityContainer.isEligibleForNewTasks()) { 2323 if (DEBUG_TASKS) Slog.d(TAG, "Skipping stack: (new task not allowed) " + 2324 stack); 2325 continue; 2326 } 2327 final ActivityRecord ar = stack.findTaskLocked(r); 2328 if (ar != null) { 2329 return ar; 2330 } 2331 } 2332 } 2333 if (DEBUG_TASKS) Slog.d(TAG, "No task found"); 2334 return null; 2335 } 2336 2337 ActivityRecord findActivityLocked(Intent intent, ActivityInfo info) { 2338 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2339 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2340 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2341 final ActivityRecord ar = stacks.get(stackNdx).findActivityLocked(intent, info); 2342 if (ar != null) { 2343 return ar; 2344 } 2345 } 2346 } 2347 return null; 2348 } 2349 2350 void goingToSleepLocked() { 2351 scheduleSleepTimeout(); 2352 if (!mGoingToSleep.isHeld()) { 2353 mGoingToSleep.acquire(); 2354 if (mLaunchingActivity.isHeld()) { 2355 if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) { 2356 throw new IllegalStateException("Calling must be system uid"); 2357 } 2358 mLaunchingActivity.release(); 2359 mService.mHandler.removeMessages(LAUNCH_TIMEOUT_MSG); 2360 } 2361 } 2362 checkReadyForSleepLocked(); 2363 } 2364 2365 boolean shutdownLocked(int timeout) { 2366 goingToSleepLocked(); 2367 2368 boolean timedout = false; 2369 final long endTime = System.currentTimeMillis() + timeout; 2370 while (true) { 2371 boolean cantShutdown = false; 2372 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2373 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2374 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2375 cantShutdown |= stacks.get(stackNdx).checkReadyForSleepLocked(); 2376 } 2377 } 2378 if (cantShutdown) { 2379 long timeRemaining = endTime - System.currentTimeMillis(); 2380 if (timeRemaining > 0) { 2381 try { 2382 mService.wait(timeRemaining); 2383 } catch (InterruptedException e) { 2384 } 2385 } else { 2386 Slog.w(TAG, "Activity manager shutdown timed out"); 2387 timedout = true; 2388 break; 2389 } 2390 } else { 2391 break; 2392 } 2393 } 2394 2395 // Force checkReadyForSleep to complete. 2396 mSleepTimeout = true; 2397 checkReadyForSleepLocked(); 2398 2399 return timedout; 2400 } 2401 2402 void comeOutOfSleepIfNeededLocked() { 2403 removeSleepTimeouts(); 2404 if (mGoingToSleep.isHeld()) { 2405 mGoingToSleep.release(); 2406 } 2407 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2408 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2409 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2410 final ActivityStack stack = stacks.get(stackNdx); 2411 stack.awakeFromSleepingLocked(); 2412 if (isFrontStack(stack)) { 2413 resumeTopActivitiesLocked(); 2414 } 2415 } 2416 } 2417 mGoingToSleepActivities.clear(); 2418 } 2419 2420 void activitySleptLocked(ActivityRecord r) { 2421 mGoingToSleepActivities.remove(r); 2422 checkReadyForSleepLocked(); 2423 } 2424 2425 void checkReadyForSleepLocked() { 2426 if (!mService.isSleepingOrShuttingDown()) { 2427 // Do not care. 2428 return; 2429 } 2430 2431 if (!mSleepTimeout) { 2432 boolean dontSleep = false; 2433 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2434 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2435 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2436 dontSleep |= stacks.get(stackNdx).checkReadyForSleepLocked(); 2437 } 2438 } 2439 2440 if (mStoppingActivities.size() > 0) { 2441 // Still need to tell some activities to stop; can't sleep yet. 2442 if (DEBUG_PAUSE) Slog.v(TAG, "Sleep still need to stop " 2443 + mStoppingActivities.size() + " activities"); 2444 scheduleIdleLocked(); 2445 dontSleep = true; 2446 } 2447 2448 if (mGoingToSleepActivities.size() > 0) { 2449 // Still need to tell some activities to sleep; can't sleep yet. 2450 if (DEBUG_PAUSE) Slog.v(TAG, "Sleep still need to sleep " 2451 + mGoingToSleepActivities.size() + " activities"); 2452 dontSleep = true; 2453 } 2454 2455 if (dontSleep) { 2456 return; 2457 } 2458 } 2459 2460 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2461 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2462 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2463 stacks.get(stackNdx).goToSleep(); 2464 } 2465 } 2466 2467 removeSleepTimeouts(); 2468 2469 if (mGoingToSleep.isHeld()) { 2470 mGoingToSleep.release(); 2471 } 2472 if (mService.mShuttingDown) { 2473 mService.notifyAll(); 2474 } 2475 } 2476 2477 boolean reportResumedActivityLocked(ActivityRecord r) { 2478 final ActivityStack stack = r.task.stack; 2479 if (isFrontStack(stack)) { 2480 mService.updateUsageStats(r, true); 2481 } 2482 if (allResumedActivitiesComplete()) { 2483 ensureActivitiesVisibleLocked(null, 0); 2484 mWindowManager.executeAppTransition(); 2485 return true; 2486 } 2487 return false; 2488 } 2489 2490 void handleAppCrashLocked(ProcessRecord app) { 2491 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2492 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2493 final int numStacks = stacks.size(); 2494 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2495 final ActivityStack stack = stacks.get(stackNdx); 2496 stack.handleAppCrashLocked(app); 2497 } 2498 } 2499 } 2500 2501 void ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges) { 2502 // First the front stacks. In case any are not fullscreen and are in front of home. 2503 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2504 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2505 final int topStackNdx = stacks.size() - 1; 2506 for (int stackNdx = topStackNdx; stackNdx >= 0; --stackNdx) { 2507 final ActivityStack stack = stacks.get(stackNdx); 2508 stack.ensureActivitiesVisibleLocked(starting, configChanges); 2509 } 2510 } 2511 } 2512 2513 void scheduleDestroyAllActivities(ProcessRecord app, String reason) { 2514 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2515 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2516 final int numStacks = stacks.size(); 2517 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2518 final ActivityStack stack = stacks.get(stackNdx); 2519 stack.scheduleDestroyActivities(app, false, reason); 2520 } 2521 } 2522 } 2523 2524 boolean switchUserLocked(int userId, UserStartedState uss) { 2525 mUserStackInFront.put(mCurrentUser, getFocusedStack().getStackId()); 2526 final int restoreStackId = mUserStackInFront.get(userId, HOME_STACK_ID); 2527 mCurrentUser = userId; 2528 2529 mStartingUsers.add(uss); 2530 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2531 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2532 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2533 final ActivityStack stack = stacks.get(stackNdx); 2534 stack.switchUserLocked(userId); 2535 TaskRecord task = stack.topTask(); 2536 if (task != null) { 2537 mWindowManager.moveTaskToTop(task.taskId); 2538 } 2539 } 2540 } 2541 2542 ActivityStack stack = getStack(restoreStackId); 2543 if (stack == null) { 2544 stack = mHomeStack; 2545 } 2546 final boolean homeInFront = stack.isHomeStack(); 2547 if (stack.isOnHomeDisplay()) { 2548 moveHomeStack(homeInFront); 2549 TaskRecord task = stack.topTask(); 2550 if (task != null) { 2551 mWindowManager.moveTaskToTop(task.taskId); 2552 } 2553 } else { 2554 // Stack was moved to another display while user was swapped out. 2555 resumeHomeStackTask(HOME_ACTIVITY_TYPE, null); 2556 } 2557 return homeInFront; 2558 } 2559 2560 /** 2561 * Add background users to send boot completed events to. 2562 * @param userId The user being started in the background 2563 * @param uss The state object for the user. 2564 */ 2565 public void startBackgroundUserLocked(int userId, UserStartedState uss) { 2566 mStartingBackgroundUsers.add(uss); 2567 } 2568 2569 final ArrayList<ActivityRecord> processStoppingActivitiesLocked(boolean remove) { 2570 int N = mStoppingActivities.size(); 2571 if (N <= 0) return null; 2572 2573 ArrayList<ActivityRecord> stops = null; 2574 2575 final boolean nowVisible = allResumedActivitiesVisible(); 2576 for (int i=0; i<N; i++) { 2577 ActivityRecord s = mStoppingActivities.get(i); 2578 if (localLOGV) Slog.v(TAG, "Stopping " + s + ": nowVisible=" 2579 + nowVisible + " waitingVisible=" + s.waitingVisible 2580 + " finishing=" + s.finishing); 2581 if (s.waitingVisible && nowVisible) { 2582 mWaitingVisibleActivities.remove(s); 2583 s.waitingVisible = false; 2584 if (s.finishing) { 2585 // If this activity is finishing, it is sitting on top of 2586 // everyone else but we now know it is no longer needed... 2587 // so get rid of it. Otherwise, we need to go through the 2588 // normal flow and hide it once we determine that it is 2589 // hidden by the activities in front of it. 2590 if (localLOGV) Slog.v(TAG, "Before stopping, can hide: " + s); 2591 mWindowManager.setAppVisibility(s.appToken, false); 2592 } 2593 } 2594 if ((!s.waitingVisible || mService.isSleepingOrShuttingDown()) && remove) { 2595 if (localLOGV) Slog.v(TAG, "Ready to stop: " + s); 2596 if (stops == null) { 2597 stops = new ArrayList<ActivityRecord>(); 2598 } 2599 stops.add(s); 2600 mStoppingActivities.remove(i); 2601 N--; 2602 i--; 2603 } 2604 } 2605 2606 return stops; 2607 } 2608 2609 void validateTopActivitiesLocked() { 2610 // FIXME 2611/* for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2612 final ActivityStack stack = stacks.get(stackNdx); 2613 final ActivityRecord r = stack.topRunningActivityLocked(null); 2614 final ActivityState state = r == null ? ActivityState.DESTROYED : r.state; 2615 if (isFrontStack(stack)) { 2616 if (r == null) { 2617 Slog.e(TAG, "validateTop...: null top activity, stack=" + stack); 2618 } else { 2619 final ActivityRecord pausing = stack.mPausingActivity; 2620 if (pausing != null && pausing == r) { 2621 Slog.e(TAG, "validateTop...: top stack has pausing activity r=" + r + 2622 " state=" + state); 2623 } 2624 if (state != ActivityState.INITIALIZING && state != ActivityState.RESUMED) { 2625 Slog.e(TAG, "validateTop...: activity in front not resumed r=" + r + 2626 " state=" + state); 2627 } 2628 } 2629 } else { 2630 final ActivityRecord resumed = stack.mResumedActivity; 2631 if (resumed != null && resumed == r) { 2632 Slog.e(TAG, "validateTop...: back stack has resumed activity r=" + r + 2633 " state=" + state); 2634 } 2635 if (r != null && (state == ActivityState.INITIALIZING 2636 || state == ActivityState.RESUMED)) { 2637 Slog.e(TAG, "validateTop...: activity in back resumed r=" + r + 2638 " state=" + state); 2639 } 2640 } 2641 } 2642*/ 2643 } 2644 2645 public void dump(PrintWriter pw, String prefix) { 2646 pw.print(prefix); pw.print("mDismissKeyguardOnNextActivity="); 2647 pw.println(mDismissKeyguardOnNextActivity); 2648 pw.print(prefix); pw.print("mFocusedStack=" + mFocusedStack); 2649 pw.print(" mLastFocusedStack="); pw.println(mLastFocusedStack); 2650 pw.print(prefix); pw.println("mSleepTimeout=" + mSleepTimeout); 2651 pw.print(prefix); pw.println("mCurTaskId=" + mCurTaskId); 2652 pw.print(prefix); pw.println("mUserStackInFront=" + mUserStackInFront); 2653 pw.print(prefix); pw.println("mActivityContainers=" + mActivityContainers); 2654 } 2655 2656 ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) { 2657 return getFocusedStack().getDumpActivitiesLocked(name); 2658 } 2659 2660 static boolean printThisActivity(PrintWriter pw, ActivityRecord activity, String dumpPackage, 2661 boolean needSep, String prefix) { 2662 if (activity != null) { 2663 if (dumpPackage == null || dumpPackage.equals(activity.packageName)) { 2664 if (needSep) { 2665 pw.println(); 2666 } 2667 pw.print(prefix); 2668 pw.println(activity); 2669 return true; 2670 } 2671 } 2672 return false; 2673 } 2674 2675 boolean dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll, 2676 boolean dumpClient, String dumpPackage) { 2677 boolean printed = false; 2678 boolean needSep = false; 2679 for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); ++displayNdx) { 2680 ActivityDisplay activityDisplay = mActivityDisplays.valueAt(displayNdx); 2681 pw.print("Display #"); pw.println(activityDisplay.mDisplayId); 2682 ArrayList<ActivityStack> stacks = activityDisplay.mStacks; 2683 final int numStacks = stacks.size(); 2684 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2685 final ActivityStack stack = stacks.get(stackNdx); 2686 StringBuilder stackHeader = new StringBuilder(128); 2687 stackHeader.append(" Stack #"); 2688 stackHeader.append(stack.mStackId); 2689 stackHeader.append(":"); 2690 printed |= stack.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, dumpPackage, 2691 needSep, stackHeader.toString()); 2692 printed |= dumpHistoryList(fd, pw, stack.mLRUActivities, " ", "Run", false, 2693 !dumpAll, false, dumpPackage, true, 2694 " Running activities (most recent first):", null); 2695 2696 needSep = printed; 2697 boolean pr = printThisActivity(pw, stack.mPausingActivity, dumpPackage, needSep, 2698 " mPausingActivity: "); 2699 if (pr) { 2700 printed = true; 2701 needSep = false; 2702 } 2703 pr = printThisActivity(pw, stack.mResumedActivity, dumpPackage, needSep, 2704 " mResumedActivity: "); 2705 if (pr) { 2706 printed = true; 2707 needSep = false; 2708 } 2709 if (dumpAll) { 2710 pr = printThisActivity(pw, stack.mLastPausedActivity, dumpPackage, needSep, 2711 " mLastPausedActivity: "); 2712 if (pr) { 2713 printed = true; 2714 needSep = true; 2715 } 2716 printed |= printThisActivity(pw, stack.mLastNoHistoryActivity, dumpPackage, 2717 needSep, " mLastNoHistoryActivity: "); 2718 } 2719 needSep = printed; 2720 } 2721 } 2722 2723 printed |= dumpHistoryList(fd, pw, mFinishingActivities, " ", "Fin", false, !dumpAll, 2724 false, dumpPackage, true, " Activities waiting to finish:", null); 2725 printed |= dumpHistoryList(fd, pw, mStoppingActivities, " ", "Stop", false, !dumpAll, 2726 false, dumpPackage, true, " Activities waiting to stop:", null); 2727 printed |= dumpHistoryList(fd, pw, mWaitingVisibleActivities, " ", "Wait", false, !dumpAll, 2728 false, dumpPackage, true, " Activities waiting for another to become visible:", 2729 null); 2730 printed |= dumpHistoryList(fd, pw, mGoingToSleepActivities, " ", "Sleep", false, !dumpAll, 2731 false, dumpPackage, true, " Activities waiting to sleep:", null); 2732 printed |= dumpHistoryList(fd, pw, mGoingToSleepActivities, " ", "Sleep", false, !dumpAll, 2733 false, dumpPackage, true, " Activities waiting to sleep:", null); 2734 2735 return printed; 2736 } 2737 2738 static boolean dumpHistoryList(FileDescriptor fd, PrintWriter pw, List<ActivityRecord> list, 2739 String prefix, String label, boolean complete, boolean brief, boolean client, 2740 String dumpPackage, boolean needNL, String header1, String header2) { 2741 TaskRecord lastTask = null; 2742 String innerPrefix = null; 2743 String[] args = null; 2744 boolean printed = false; 2745 for (int i=list.size()-1; i>=0; i--) { 2746 final ActivityRecord r = list.get(i); 2747 if (dumpPackage != null && !dumpPackage.equals(r.packageName)) { 2748 continue; 2749 } 2750 if (innerPrefix == null) { 2751 innerPrefix = prefix + " "; 2752 args = new String[0]; 2753 } 2754 printed = true; 2755 final boolean full = !brief && (complete || !r.isInHistory()); 2756 if (needNL) { 2757 pw.println(""); 2758 needNL = false; 2759 } 2760 if (header1 != null) { 2761 pw.println(header1); 2762 header1 = null; 2763 } 2764 if (header2 != null) { 2765 pw.println(header2); 2766 header2 = null; 2767 } 2768 if (lastTask != r.task) { 2769 lastTask = r.task; 2770 pw.print(prefix); 2771 pw.print(full ? "* " : " "); 2772 pw.println(lastTask); 2773 if (full) { 2774 lastTask.dump(pw, prefix + " "); 2775 } else if (complete) { 2776 // Complete + brief == give a summary. Isn't that obvious?!? 2777 if (lastTask.intent != null) { 2778 pw.print(prefix); pw.print(" "); 2779 pw.println(lastTask.intent.toInsecureStringWithClip()); 2780 } 2781 } 2782 } 2783 pw.print(prefix); pw.print(full ? " * " : " "); pw.print(label); 2784 pw.print(" #"); pw.print(i); pw.print(": "); 2785 pw.println(r); 2786 if (full) { 2787 r.dump(pw, innerPrefix); 2788 } else if (complete) { 2789 // Complete + brief == give a summary. Isn't that obvious?!? 2790 pw.print(innerPrefix); pw.println(r.intent.toInsecureString()); 2791 if (r.app != null) { 2792 pw.print(innerPrefix); pw.println(r.app); 2793 } 2794 } 2795 if (client && r.app != null && r.app.thread != null) { 2796 // flush anything that is already in the PrintWriter since the thread is going 2797 // to write to the file descriptor directly 2798 pw.flush(); 2799 try { 2800 TransferPipe tp = new TransferPipe(); 2801 try { 2802 r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(), 2803 r.appToken, innerPrefix, args); 2804 // Short timeout, since blocking here can 2805 // deadlock with the application. 2806 tp.go(fd, 2000); 2807 } finally { 2808 tp.kill(); 2809 } 2810 } catch (IOException e) { 2811 pw.println(innerPrefix + "Failure while dumping the activity: " + e); 2812 } catch (RemoteException e) { 2813 pw.println(innerPrefix + "Got a RemoteException while dumping the activity"); 2814 } 2815 needNL = true; 2816 } 2817 } 2818 return printed; 2819 } 2820 2821 void scheduleIdleTimeoutLocked(ActivityRecord next) { 2822 if (DEBUG_IDLE) Slog.d(TAG, "scheduleIdleTimeoutLocked: Callers=" + Debug.getCallers(4)); 2823 Message msg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG, next); 2824 mHandler.sendMessageDelayed(msg, IDLE_TIMEOUT); 2825 } 2826 2827 final void scheduleIdleLocked() { 2828 mHandler.sendEmptyMessage(IDLE_NOW_MSG); 2829 } 2830 2831 void removeTimeoutsForActivityLocked(ActivityRecord r) { 2832 if (DEBUG_IDLE) Slog.d(TAG, "removeTimeoutsForActivity: Callers=" + Debug.getCallers(4)); 2833 mHandler.removeMessages(IDLE_TIMEOUT_MSG, r); 2834 } 2835 2836 final void scheduleResumeTopActivities() { 2837 if (!mHandler.hasMessages(RESUME_TOP_ACTIVITY_MSG)) { 2838 mHandler.sendEmptyMessage(RESUME_TOP_ACTIVITY_MSG); 2839 } 2840 } 2841 2842 void removeSleepTimeouts() { 2843 mSleepTimeout = false; 2844 mHandler.removeMessages(SLEEP_TIMEOUT_MSG); 2845 } 2846 2847 final void scheduleSleepTimeout() { 2848 removeSleepTimeouts(); 2849 mHandler.sendEmptyMessageDelayed(SLEEP_TIMEOUT_MSG, SLEEP_TIMEOUT); 2850 } 2851 2852 @Override 2853 public void onDisplayAdded(int displayId) { 2854 mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_ADDED, displayId, 0)); 2855 } 2856 2857 @Override 2858 public void onDisplayRemoved(int displayId) { 2859 mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_REMOVED, displayId, 0)); 2860 } 2861 2862 @Override 2863 public void onDisplayChanged(int displayId) { 2864 mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_CHANGED, displayId, 0)); 2865 } 2866 2867 public void handleDisplayAddedLocked(int displayId) { 2868 boolean newDisplay; 2869 synchronized (mService) { 2870 newDisplay = mActivityDisplays.get(displayId) == null; 2871 if (newDisplay) { 2872 ActivityDisplay activityDisplay = new ActivityDisplay(displayId); 2873 mActivityDisplays.put(displayId, activityDisplay); 2874 } 2875 } 2876 if (newDisplay) { 2877 mWindowManager.onDisplayAdded(displayId); 2878 } 2879 } 2880 2881 public void handleDisplayRemovedLocked(int displayId) { 2882 synchronized (mService) { 2883 ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); 2884 if (activityDisplay != null) { 2885 ArrayList<ActivityStack> stacks = activityDisplay.mStacks; 2886 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2887 stacks.get(stackNdx).mActivityContainer.detachLocked(); 2888 } 2889 mActivityDisplays.remove(displayId); 2890 } 2891 } 2892 mWindowManager.onDisplayRemoved(displayId); 2893 } 2894 2895 public void handleDisplayChangedLocked(int displayId) { 2896 synchronized (mService) { 2897 ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); 2898 if (activityDisplay != null) { 2899 // TODO: Update the bounds. 2900 } 2901 } 2902 mWindowManager.onDisplayChanged(displayId); 2903 } 2904 2905 StackInfo getStackInfo(ActivityStack stack) { 2906 StackInfo info = new StackInfo(); 2907 mWindowManager.getStackBounds(stack.mStackId, info.bounds); 2908 info.displayId = Display.DEFAULT_DISPLAY; 2909 info.stackId = stack.mStackId; 2910 2911 ArrayList<TaskRecord> tasks = stack.getAllTasks(); 2912 final int numTasks = tasks.size(); 2913 int[] taskIds = new int[numTasks]; 2914 String[] taskNames = new String[numTasks]; 2915 for (int i = 0; i < numTasks; ++i) { 2916 final TaskRecord task = tasks.get(i); 2917 taskIds[i] = task.taskId; 2918 taskNames[i] = task.origActivity != null ? task.origActivity.flattenToString() 2919 : task.realActivity != null ? task.realActivity.flattenToString() 2920 : task.getTopActivity() != null ? task.getTopActivity().packageName 2921 : "unknown"; 2922 } 2923 info.taskIds = taskIds; 2924 info.taskNames = taskNames; 2925 return info; 2926 } 2927 2928 StackInfo getStackInfoLocked(int stackId) { 2929 ActivityStack stack = getStack(stackId); 2930 if (stack != null) { 2931 return getStackInfo(stack); 2932 } 2933 return null; 2934 } 2935 2936 ArrayList<StackInfo> getAllStackInfosLocked() { 2937 ArrayList<StackInfo> list = new ArrayList<StackInfo>(); 2938 for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); ++displayNdx) { 2939 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2940 for (int ndx = stacks.size() - 1; ndx >= 0; --ndx) { 2941 list.add(getStackInfo(stacks.get(ndx))); 2942 } 2943 } 2944 return list; 2945 } 2946 2947 void setLockTaskModeLocked(TaskRecord task) { 2948 if (task == null) { 2949 // Take out of lock task mode. 2950 mLockTaskModeTask = null; 2951 return; 2952 } 2953 if (isLockTaskModeViolation(task)) { 2954 Slog.e(TAG, "setLockTaskMode: Attempt to start a second Lock Task Mode task."); 2955 return; 2956 } 2957 mLockTaskModeTask = task; 2958 findTaskToMoveToFrontLocked(task, 0, null); 2959 resumeTopActivitiesLocked(); 2960 } 2961 2962 boolean isLockTaskModeViolation(TaskRecord task) { 2963 return mLockTaskModeTask != null && mLockTaskModeTask != task; 2964 } 2965 2966 void endLockTaskModeIfTaskEnding(TaskRecord task) { 2967 if (mLockTaskModeTask != null && mLockTaskModeTask == task) { 2968 mLockTaskModeTask = null; 2969 } 2970 } 2971 2972 boolean isInLockTaskMode() { 2973 return mLockTaskModeTask != null; 2974 } 2975 2976 private final class ActivityStackSupervisorHandler extends Handler { 2977 2978 public ActivityStackSupervisorHandler(Looper looper) { 2979 super(looper); 2980 } 2981 2982 void activityIdleInternal(ActivityRecord r) { 2983 synchronized (mService) { 2984 activityIdleInternalLocked(r != null ? r.appToken : null, true, null); 2985 } 2986 } 2987 2988 @Override 2989 public void handleMessage(Message msg) { 2990 switch (msg.what) { 2991 case IDLE_TIMEOUT_MSG: { 2992 if (DEBUG_IDLE) Slog.d(TAG, "handleMessage: IDLE_TIMEOUT_MSG: r=" + msg.obj); 2993 if (mService.mDidDexOpt) { 2994 mService.mDidDexOpt = false; 2995 Message nmsg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG); 2996 nmsg.obj = msg.obj; 2997 mHandler.sendMessageDelayed(nmsg, IDLE_TIMEOUT); 2998 return; 2999 } 3000 // We don't at this point know if the activity is fullscreen, 3001 // so we need to be conservative and assume it isn't. 3002 activityIdleInternal((ActivityRecord)msg.obj); 3003 } break; 3004 case IDLE_NOW_MSG: { 3005 if (DEBUG_IDLE) Slog.d(TAG, "handleMessage: IDLE_NOW_MSG: r=" + msg.obj); 3006 activityIdleInternal((ActivityRecord)msg.obj); 3007 } break; 3008 case RESUME_TOP_ACTIVITY_MSG: { 3009 synchronized (mService) { 3010 resumeTopActivitiesLocked(); 3011 } 3012 } break; 3013 case SLEEP_TIMEOUT_MSG: { 3014 synchronized (mService) { 3015 if (mService.isSleepingOrShuttingDown()) { 3016 Slog.w(TAG, "Sleep timeout! Sleeping now."); 3017 mSleepTimeout = true; 3018 checkReadyForSleepLocked(); 3019 } 3020 } 3021 } break; 3022 case LAUNCH_TIMEOUT_MSG: { 3023 if (mService.mDidDexOpt) { 3024 mService.mDidDexOpt = false; 3025 mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT); 3026 return; 3027 } 3028 synchronized (mService) { 3029 if (mLaunchingActivity.isHeld()) { 3030 Slog.w(TAG, "Launch timeout has expired, giving up wake lock!"); 3031 if (VALIDATE_WAKE_LOCK_CALLER 3032 && Binder.getCallingUid() != Process.myUid()) { 3033 throw new IllegalStateException("Calling must be system uid"); 3034 } 3035 mLaunchingActivity.release(); 3036 } 3037 } 3038 } break; 3039 case HANDLE_DISPLAY_ADDED: { 3040 handleDisplayAddedLocked(msg.arg1); 3041 } break; 3042 case HANDLE_DISPLAY_CHANGED: { 3043 handleDisplayChangedLocked(msg.arg1); 3044 } break; 3045 case HANDLE_DISPLAY_REMOVED: { 3046 handleDisplayRemovedLocked(msg.arg1); 3047 } break; 3048 case CONTAINER_CALLBACK_VISIBILITY: { 3049 final ActivityContainer container = (ActivityContainer) msg.obj; 3050 try { 3051 // We only send this message if mCallback is non-null. 3052 container.mCallback.setVisible(container.asBinder(), msg.arg1 == 1); 3053 } catch (RemoteException e) { 3054 } 3055 } 3056 } 3057 } 3058 } 3059 3060 class ActivityContainer extends android.app.IActivityContainer.Stub { 3061 final static int FORCE_NEW_TASK_FLAGS = Intent.FLAG_ACTIVITY_NEW_TASK | 3062 Intent.FLAG_ACTIVITY_MULTIPLE_TASK; 3063 final int mStackId; 3064 IActivityContainerCallback mCallback = null; 3065 final ActivityStack mStack; 3066 ActivityRecord mParentActivity = null; 3067 String mIdString; 3068 3069 boolean mVisible = true; 3070 3071 /** Display this ActivityStack is currently on. Null if not attached to a Display. */ 3072 ActivityDisplay mActivityDisplay; 3073 3074 final static int CONTAINER_STATE_HAS_SURFACE = 0; 3075 final static int CONTAINER_STATE_NO_SURFACE = 1; 3076 final static int CONTAINER_STATE_FINISHING = 2; 3077 int mContainerState = CONTAINER_STATE_HAS_SURFACE; 3078 3079 ActivityContainer(int stackId) { 3080 synchronized (mService) { 3081 mStackId = stackId; 3082 mStack = new ActivityStack(this); 3083 mIdString = "ActivtyContainer{" + mStackId + "}"; 3084 if (DEBUG_STACK) Slog.d(TAG, "Creating " + this); 3085 } 3086 } 3087 3088 void attachToDisplayLocked(ActivityDisplay activityDisplay) { 3089 if (DEBUG_STACK) Slog.d(TAG, "attachToDisplayLocked: " + this 3090 + " to display=" + activityDisplay); 3091 mActivityDisplay = activityDisplay; 3092 mStack.mDisplayId = activityDisplay.mDisplayId; 3093 mStack.mStacks = activityDisplay.mStacks; 3094 3095 activityDisplay.attachActivities(mStack); 3096 mWindowManager.attachStack(mStackId, activityDisplay.mDisplayId); 3097 } 3098 3099 @Override 3100 public void attachToDisplay(int displayId) { 3101 synchronized (mService) { 3102 ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); 3103 if (activityDisplay == null) { 3104 return; 3105 } 3106 attachToDisplayLocked(activityDisplay); 3107 } 3108 } 3109 3110 @Override 3111 public int getDisplayId() { 3112 if (mActivityDisplay != null) { 3113 return mActivityDisplay.mDisplayId; 3114 } 3115 return -1; 3116 } 3117 3118 @Override 3119 public boolean injectEvent(InputEvent event) { 3120 final long origId = Binder.clearCallingIdentity(); 3121 try { 3122 if (mActivityDisplay != null) { 3123 return mInputManagerInternal.injectInputEvent(event, 3124 mActivityDisplay.mDisplayId, 3125 InputManager.INJECT_INPUT_EVENT_MODE_ASYNC); 3126 } 3127 return false; 3128 } finally { 3129 Binder.restoreCallingIdentity(origId); 3130 } 3131 } 3132 3133 @Override 3134 public void release() { 3135 mContainerState = CONTAINER_STATE_FINISHING; 3136 mStack.finishAllActivitiesLocked(); 3137 detachLocked(); 3138 mWindowManager.removeStack(mStackId); 3139 } 3140 3141 private void detachLocked() { 3142 if (DEBUG_STACK) Slog.d(TAG, "detachLocked: " + this + " from display=" 3143 + mActivityDisplay + " Callers=" + Debug.getCallers(2)); 3144 if (mActivityDisplay != null) { 3145 mActivityDisplay.detachActivitiesLocked(mStack); 3146 mActivityDisplay = null; 3147 mStack.mDisplayId = -1; 3148 mStack.mStacks = null; 3149 mWindowManager.detachStack(mStackId); 3150 } 3151 } 3152 3153 @Override 3154 public final int startActivity(Intent intent) { 3155 mService.enforceNotIsolatedCaller("ActivityContainer.startActivity"); 3156 int userId = mService.handleIncomingUser(Binder.getCallingPid(), 3157 Binder.getCallingUid(), mCurrentUser, false, true, "ActivityContainer", null); 3158 // TODO: Switch to user app stacks here. 3159 intent.addFlags(FORCE_NEW_TASK_FLAGS); 3160 String mimeType = intent.getType(); 3161 if (mimeType == null && intent.getData() != null 3162 && "content".equals(intent.getData().getScheme())) { 3163 mimeType = mService.getProviderMimeType(intent.getData(), userId); 3164 } 3165 return startActivityMayWait(null, -1, null, intent, mimeType, null, null, null, null, 0, 0, null, 3166 null, null, null, null, userId, this); 3167 } 3168 3169 @Override 3170 public final int startActivityIntentSender(IIntentSender intentSender) { 3171 mService.enforceNotIsolatedCaller("ActivityContainer.startActivityIntentSender"); 3172 3173 if (!(intentSender instanceof PendingIntentRecord)) { 3174 throw new IllegalArgumentException("Bad PendingIntent object"); 3175 } 3176 3177 return ((PendingIntentRecord)intentSender).sendInner(0, null, null, null, null, null, 3178 null, 0, FORCE_NEW_TASK_FLAGS, FORCE_NEW_TASK_FLAGS, null, this); 3179 } 3180 3181 private void checkEmbeddedAllowedInner(Intent intent, String resolvedType) { 3182 int userId = mService.handleIncomingUser(Binder.getCallingPid(), 3183 Binder.getCallingUid(), mCurrentUser, false, true, "ActivityContainer", null); 3184 if (resolvedType == null) { 3185 resolvedType = intent.getType(); 3186 if (resolvedType == null && intent.getData() != null 3187 && "content".equals(intent.getData().getScheme())) { 3188 resolvedType = mService.getProviderMimeType(intent.getData(), userId); 3189 } 3190 } 3191 ActivityInfo aInfo = resolveActivity(intent, resolvedType, 0, null, null, userId); 3192 if (aInfo != null && (aInfo.flags & ActivityInfo.FLAG_ALLOW_EMBEDDED) == 0) { 3193 throw new SecurityException( 3194 "Attempt to embed activity that has not set allowEmbedded=\"true\""); 3195 } 3196 } 3197 3198 /** Throw a SecurityException if allowEmbedded is not true */ 3199 @Override 3200 public final void checkEmbeddedAllowed(Intent intent) { 3201 checkEmbeddedAllowedInner(intent, null); 3202 } 3203 3204 /** Throw a SecurityException if allowEmbedded is not true */ 3205 @Override 3206 public final void checkEmbeddedAllowedIntentSender(IIntentSender intentSender) { 3207 if (!(intentSender instanceof PendingIntentRecord)) { 3208 throw new IllegalArgumentException("Bad PendingIntent object"); 3209 } 3210 PendingIntentRecord pendingIntent = (PendingIntentRecord) intentSender; 3211 checkEmbeddedAllowedInner(pendingIntent.key.requestIntent, 3212 pendingIntent.key.requestResolvedType); 3213 } 3214 3215 @Override 3216 public IBinder asBinder() { 3217 return this; 3218 } 3219 3220 @Override 3221 public void setSurface(Surface surface, int width, int height, int density) { 3222 mService.enforceNotIsolatedCaller("ActivityContainer.attachToSurface"); 3223 } 3224 3225 ActivityStackSupervisor getOuter() { 3226 return ActivityStackSupervisor.this; 3227 } 3228 3229 boolean isAttached() { 3230 return mActivityDisplay != null; 3231 } 3232 3233 void getBounds(Point outBounds) { 3234 if (mActivityDisplay != null) { 3235 mActivityDisplay.getBounds(outBounds); 3236 } else { 3237 outBounds.set(0, 0); 3238 } 3239 } 3240 3241 // TODO: Make sure every change to ActivityRecord.visible results in a call to this. 3242 void setVisible(boolean visible) { 3243 if (mVisible != visible) { 3244 mVisible = visible; 3245 if (mCallback != null) { 3246 mHandler.obtainMessage(CONTAINER_CALLBACK_VISIBILITY, visible ? 1 : 0, 3247 0 /* unused */, this).sendToTarget(); 3248 } 3249 } 3250 } 3251 3252 void setDrawn() { 3253 } 3254 3255 // You can always start a new task on a regular ActivityStack. 3256 boolean isEligibleForNewTasks() { 3257 return true; 3258 } 3259 3260 @Override 3261 public String toString() { 3262 return mIdString + (mActivityDisplay == null ? "N" : "A"); 3263 } 3264 } 3265 3266 private class VirtualActivityContainer extends ActivityContainer { 3267 Surface mSurface; 3268 boolean mDrawn = false; 3269 3270 VirtualActivityContainer(ActivityRecord parent, IActivityContainerCallback callback) { 3271 super(getNextStackId()); 3272 mParentActivity = parent; 3273 mCallback = callback; 3274 mContainerState = CONTAINER_STATE_NO_SURFACE; 3275 mIdString = "VirtualActivtyContainer{" + mStackId + ", parent=" + mParentActivity + "}"; 3276 } 3277 3278 @Override 3279 public void setSurface(Surface surface, int width, int height, int density) { 3280 super.setSurface(surface, width, height, density); 3281 3282 synchronized (mService) { 3283 final long origId = Binder.clearCallingIdentity(); 3284 try { 3285 setSurfaceLocked(surface, width, height, density); 3286 } finally { 3287 Binder.restoreCallingIdentity(origId); 3288 } 3289 } 3290 } 3291 3292 private void setSurfaceLocked(Surface surface, int width, int height, int density) { 3293 if (mContainerState == CONTAINER_STATE_FINISHING) { 3294 return; 3295 } 3296 VirtualActivityDisplay virtualActivityDisplay = 3297 (VirtualActivityDisplay) mActivityDisplay; 3298 if (virtualActivityDisplay == null) { 3299 virtualActivityDisplay = 3300 new VirtualActivityDisplay(width, height, density); 3301 mActivityDisplay = virtualActivityDisplay; 3302 mActivityDisplays.put(virtualActivityDisplay.mDisplayId, virtualActivityDisplay); 3303 attachToDisplayLocked(virtualActivityDisplay); 3304 } 3305 3306 if (mSurface != null) { 3307 mSurface.release(); 3308 } 3309 3310 mSurface = surface; 3311 if (surface != null) { 3312 mStack.resumeTopActivityLocked(null); 3313 } else { 3314 mContainerState = CONTAINER_STATE_NO_SURFACE; 3315 ((VirtualActivityDisplay) mActivityDisplay).setSurface(null); 3316 if (mStack.mPausingActivity == null && mStack.mResumedActivity != null) { 3317 mStack.startPausingLocked(false, true); 3318 } 3319 } 3320 3321 setSurfaceIfReady(); 3322 3323 if (DEBUG_STACK) Slog.d(TAG, "setSurface: " + this + " to display=" 3324 + virtualActivityDisplay); 3325 } 3326 3327 @Override 3328 boolean isAttached() { 3329 return mSurface != null && super.isAttached(); 3330 } 3331 3332 @Override 3333 void setDrawn() { 3334 synchronized (mService) { 3335 mDrawn = true; 3336 setSurfaceIfReady(); 3337 } 3338 } 3339 3340 // Never start a new task on an ActivityView if it isn't explicitly specified. 3341 @Override 3342 boolean isEligibleForNewTasks() { 3343 return false; 3344 } 3345 3346 private void setSurfaceIfReady() { 3347 if (DEBUG_STACK) Slog.v(TAG, "setSurfaceIfReady: mDrawn=" + mDrawn + 3348 " mContainerState=" + mContainerState + " mSurface=" + mSurface); 3349 if (mDrawn && mSurface != null && mContainerState == CONTAINER_STATE_NO_SURFACE) { 3350 ((VirtualActivityDisplay) mActivityDisplay).setSurface(mSurface); 3351 mContainerState = CONTAINER_STATE_HAS_SURFACE; 3352 } 3353 } 3354 } 3355 3356 /** Exactly one of these classes per Display in the system. Capable of holding zero or more 3357 * attached {@link ActivityStack}s */ 3358 class ActivityDisplay { 3359 /** Actual Display this object tracks. */ 3360 int mDisplayId; 3361 Display mDisplay; 3362 DisplayInfo mDisplayInfo = new DisplayInfo(); 3363 3364 /** All of the stacks on this display. Order matters, topmost stack is in front of all other 3365 * stacks, bottommost behind. Accessed directly by ActivityManager package classes */ 3366 final ArrayList<ActivityStack> mStacks = new ArrayList<ActivityStack>(); 3367 3368 ActivityDisplay() { 3369 } 3370 3371 ActivityDisplay(int displayId) { 3372 init(mDisplayManager.getDisplay(displayId)); 3373 } 3374 3375 void init(Display display) { 3376 mDisplay = display; 3377 mDisplayId = display.getDisplayId(); 3378 mDisplay.getDisplayInfo(mDisplayInfo); 3379 } 3380 3381 void attachActivities(ActivityStack stack) { 3382 if (DEBUG_STACK) Slog.v(TAG, "attachActivities: attaching " + stack + " to displayId=" 3383 + mDisplayId); 3384 mStacks.add(stack); 3385 } 3386 3387 void detachActivitiesLocked(ActivityStack stack) { 3388 if (DEBUG_STACK) Slog.v(TAG, "detachActivitiesLocked: detaching " + stack 3389 + " from displayId=" + mDisplayId); 3390 mStacks.remove(stack); 3391 } 3392 3393 void getBounds(Point bounds) { 3394 mDisplay.getDisplayInfo(mDisplayInfo); 3395 bounds.x = mDisplayInfo.appWidth; 3396 bounds.y = mDisplayInfo.appHeight; 3397 } 3398 3399 @Override 3400 public String toString() { 3401 return "ActivityDisplay={" + mDisplayId + " numStacks=" + mStacks.size() + "}"; 3402 } 3403 } 3404 3405 class VirtualActivityDisplay extends ActivityDisplay { 3406 VirtualDisplay mVirtualDisplay; 3407 3408 VirtualActivityDisplay(int width, int height, int density) { 3409 DisplayManagerGlobal dm = DisplayManagerGlobal.getInstance(); 3410 mVirtualDisplay = dm.createVirtualDisplay(mService.mContext, VIRTUAL_DISPLAY_BASE_NAME, 3411 width, height, density, null, DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC | 3412 DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY); 3413 3414 init(mVirtualDisplay.getDisplay()); 3415 3416 mWindowManager.handleDisplayAdded(mDisplayId); 3417 } 3418 3419 void setSurface(Surface surface) { 3420 if (mVirtualDisplay != null) { 3421 mVirtualDisplay.setSurface(surface); 3422 } 3423 } 3424 3425 @Override 3426 void detachActivitiesLocked(ActivityStack stack) { 3427 super.detachActivitiesLocked(stack); 3428 if (mVirtualDisplay != null) { 3429 mVirtualDisplay.release(); 3430 mVirtualDisplay = null; 3431 } 3432 } 3433 3434 @Override 3435 public String toString() { 3436 return "VirtualActivityDisplay={" + mDisplayId + "}"; 3437 } 3438 } 3439} 3440