ActivityStackSupervisor.java revision 0175b882b5e021907c307ab0e455bff014ad8784
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.ProfilerInfo; 49import android.app.ActivityManager.RunningTaskInfo; 50import android.app.IActivityManager.WaitResult; 51import android.app.ResultInfo; 52import android.app.StatusBarManager; 53import android.app.admin.IDevicePolicyManager; 54import android.content.ComponentName; 55import android.content.Context; 56import android.content.IIntentSender; 57import android.content.Intent; 58import android.content.IntentSender; 59import android.content.pm.ActivityInfo; 60import android.content.pm.ApplicationInfo; 61import android.content.pm.PackageManager; 62import android.content.pm.ResolveInfo; 63import android.content.res.Configuration; 64import android.graphics.Point; 65import android.hardware.display.DisplayManager; 66import android.hardware.display.DisplayManager.DisplayListener; 67import android.hardware.display.DisplayManagerGlobal; 68import android.hardware.display.VirtualDisplay; 69import android.hardware.input.InputManager; 70import android.hardware.input.InputManagerInternal; 71import android.os.Binder; 72import android.os.Bundle; 73import android.os.Debug; 74import android.os.Handler; 75import android.os.IBinder; 76import android.os.Looper; 77import android.os.Message; 78import android.os.ParcelFileDescriptor; 79import android.os.PowerManager; 80import android.os.Process; 81import android.os.RemoteException; 82import android.os.ServiceManager; 83import android.os.SystemClock; 84import android.os.UserHandle; 85import android.provider.Settings; 86import android.provider.Settings.SettingNotFoundException; 87import android.service.voice.IVoiceInteractionSession; 88import android.util.ArraySet; 89import android.util.EventLog; 90import android.util.Slog; 91import android.util.SparseArray; 92 93import android.util.SparseIntArray; 94import android.view.Display; 95import android.view.DisplayInfo; 96import android.view.InputEvent; 97import android.view.Surface; 98import com.android.internal.app.HeavyWeightSwitcherActivity; 99import com.android.internal.app.IVoiceInteractor; 100import com.android.internal.os.TransferPipe; 101import com.android.internal.statusbar.IStatusBarService; 102import com.android.internal.widget.LockPatternUtils; 103import com.android.server.LocalServices; 104import com.android.server.am.ActivityStack.ActivityState; 105import com.android.server.wm.WindowManagerService; 106 107 108import java.io.FileDescriptor; 109import java.io.IOException; 110import java.io.PrintWriter; 111import java.util.ArrayList; 112import java.util.List; 113 114public final class ActivityStackSupervisor implements DisplayListener { 115 static final boolean DEBUG = ActivityManagerService.DEBUG || false; 116 static final boolean DEBUG_ADD_REMOVE = DEBUG || false; 117 static final boolean DEBUG_APP = DEBUG || false; 118 static final boolean DEBUG_CONTAINERS = DEBUG || false; 119 static final boolean DEBUG_IDLE = DEBUG || false; 120 static final boolean DEBUG_RELEASE = DEBUG || false; 121 static final boolean DEBUG_SAVED_STATE = DEBUG || false; 122 static final boolean DEBUG_SCREENSHOTS = DEBUG || false; 123 static final boolean DEBUG_STATES = DEBUG || false; 124 static final boolean DEBUG_VISIBLE_BEHIND = DEBUG || false; 125 126 public static final int HOME_STACK_ID = 0; 127 128 /** How long we wait until giving up on the last activity telling us it is idle. */ 129 static final int IDLE_TIMEOUT = 10*1000; 130 131 /** How long we can hold the sleep wake lock before giving up. */ 132 static final int SLEEP_TIMEOUT = 5*1000; 133 134 // How long we can hold the launch wake lock before giving up. 135 static final int LAUNCH_TIMEOUT = 10*1000; 136 137 static final int IDLE_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG; 138 static final int IDLE_NOW_MSG = FIRST_SUPERVISOR_STACK_MSG + 1; 139 static final int RESUME_TOP_ACTIVITY_MSG = FIRST_SUPERVISOR_STACK_MSG + 2; 140 static final int SLEEP_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 3; 141 static final int LAUNCH_TIMEOUT_MSG = FIRST_SUPERVISOR_STACK_MSG + 4; 142 static final int HANDLE_DISPLAY_ADDED = FIRST_SUPERVISOR_STACK_MSG + 5; 143 static final int HANDLE_DISPLAY_CHANGED = FIRST_SUPERVISOR_STACK_MSG + 6; 144 static final int HANDLE_DISPLAY_REMOVED = FIRST_SUPERVISOR_STACK_MSG + 7; 145 static final int CONTAINER_CALLBACK_VISIBILITY = FIRST_SUPERVISOR_STACK_MSG + 8; 146 static final int LOCK_TASK_START_MSG = FIRST_SUPERVISOR_STACK_MSG + 9; 147 static final int LOCK_TASK_END_MSG = FIRST_SUPERVISOR_STACK_MSG + 10; 148 static final int CONTAINER_CALLBACK_TASK_LIST_EMPTY = FIRST_SUPERVISOR_STACK_MSG + 11; 149 static final int CONTAINER_TASK_LIST_EMPTY_TIMEOUT = FIRST_SUPERVISOR_STACK_MSG + 12; 150 static final int LAUNCH_TASK_BEHIND_COMPLETE = FIRST_SUPERVISOR_STACK_MSG + 13; 151 152 private final static String VIRTUAL_DISPLAY_BASE_NAME = "ActivityViewVirtualDisplay"; 153 154 private static final String LOCK_TASK_TAG = "Lock-to-App"; 155 156 /** Status Bar Service **/ 157 private IBinder mToken = new Binder(); 158 private IStatusBarService mStatusBarService; 159 private IDevicePolicyManager mDevicePolicyManager; 160 161 // For debugging to make sure the caller when acquiring/releasing our 162 // wake lock is the system process. 163 static final boolean VALIDATE_WAKE_LOCK_CALLER = false; 164 165 final ActivityManagerService mService; 166 167 final ActivityStackSupervisorHandler mHandler; 168 169 /** Short cut */ 170 WindowManagerService mWindowManager; 171 DisplayManager mDisplayManager; 172 173 /** Identifier counter for all ActivityStacks */ 174 private int mLastStackId = HOME_STACK_ID; 175 176 /** Task identifier that activities are currently being started in. Incremented each time a 177 * new task is created. */ 178 private int mCurTaskId = 0; 179 180 /** The current user */ 181 private int mCurrentUser; 182 183 /** The stack containing the launcher app. Assumed to always be attached to 184 * Display.DEFAULT_DISPLAY. */ 185 private ActivityStack mHomeStack; 186 187 /** The stack currently receiving input or launching the next activity. */ 188 private ActivityStack mFocusedStack; 189 190 /** If this is the same as mFocusedStack then the activity on the top of the focused stack has 191 * been resumed. If stacks are changing position this will hold the old stack until the new 192 * stack becomes resumed after which it will be set to mFocusedStack. */ 193 private ActivityStack mLastFocusedStack; 194 195 /** List of activities that are waiting for a new activity to become visible before completing 196 * whatever operation they are supposed to do. */ 197 final ArrayList<ActivityRecord> mWaitingVisibleActivities = new ArrayList<ActivityRecord>(); 198 199 /** List of processes waiting to find out about the next visible activity. */ 200 final ArrayList<IActivityManager.WaitResult> mWaitingActivityVisible = 201 new ArrayList<IActivityManager.WaitResult>(); 202 203 /** List of processes waiting to find out about the next launched activity. */ 204 final ArrayList<IActivityManager.WaitResult> mWaitingActivityLaunched = 205 new ArrayList<IActivityManager.WaitResult>(); 206 207 /** List of activities that are ready to be stopped, but waiting for the next activity to 208 * settle down before doing so. */ 209 final ArrayList<ActivityRecord> mStoppingActivities = new ArrayList<ActivityRecord>(); 210 211 /** List of activities that are ready to be finished, but waiting for the previous activity to 212 * settle down before doing so. It contains ActivityRecord objects. */ 213 final ArrayList<ActivityRecord> mFinishingActivities = new ArrayList<ActivityRecord>(); 214 215 /** List of activities that are in the process of going to sleep. */ 216 final ArrayList<ActivityRecord> mGoingToSleepActivities = new ArrayList<ActivityRecord>(); 217 218 /** Used on user changes */ 219 final ArrayList<UserStartedState> mStartingUsers = new ArrayList<UserStartedState>(); 220 221 /** Used to queue up any background users being started */ 222 final ArrayList<UserStartedState> mStartingBackgroundUsers = new ArrayList<UserStartedState>(); 223 224 /** Set to indicate whether to issue an onUserLeaving callback when a newly launched activity 225 * is being brought in front of us. */ 226 boolean mUserLeaving = false; 227 228 /** Set when we have taken too long waiting to go to sleep. */ 229 boolean mSleepTimeout = false; 230 231 /** Indicates if we are running on a Leanback-only (TV) device. Only initialized after 232 * setWindowManager is called. **/ 233 private boolean mLeanbackOnlyDevice; 234 235 /** 236 * We don't want to allow the device to go to sleep while in the process 237 * of launching an activity. This is primarily to allow alarm intent 238 * receivers to launch an activity and get that to run before the device 239 * goes back to sleep. 240 */ 241 PowerManager.WakeLock mLaunchingActivity; 242 243 /** 244 * Set when the system is going to sleep, until we have 245 * successfully paused the current activity and released our wake lock. 246 * At that point the system is allowed to actually sleep. 247 */ 248 PowerManager.WakeLock mGoingToSleep; 249 250 /** Stack id of the front stack when user switched, indexed by userId. */ 251 SparseIntArray mUserStackInFront = new SparseIntArray(2); 252 253 // TODO: Add listener for removal of references. 254 /** Mapping from (ActivityStack/TaskStack).mStackId to their current state */ 255 private SparseArray<ActivityContainer> mActivityContainers = new SparseArray<ActivityContainer>(); 256 257 /** Mapping from displayId to display current state */ 258 private final SparseArray<ActivityDisplay> mActivityDisplays = 259 new SparseArray<ActivityDisplay>(); 260 261 InputManagerInternal mInputManagerInternal; 262 263 /** If non-null then the task specified remains in front and no other tasks may be started 264 * until the task exits or #stopLockTaskMode() is called. */ 265 TaskRecord mLockTaskModeTask; 266 /** Whether lock task has been entered by an authorized app and cannot 267 * be exited. */ 268 private boolean mLockTaskIsLocked; 269 /** 270 * Notifies the user when entering/exiting lock-task. 271 */ 272 private LockTaskNotify mLockTaskNotify; 273 274 final ArrayList<PendingActivityLaunch> mPendingActivityLaunches 275 = new ArrayList<PendingActivityLaunch>(); 276 277 /** 278 * Description of a request to start a new activity, which has been held 279 * due to app switches being disabled. 280 */ 281 static class PendingActivityLaunch { 282 final ActivityRecord r; 283 final ActivityRecord sourceRecord; 284 final int startFlags; 285 final ActivityStack stack; 286 287 PendingActivityLaunch(ActivityRecord _r, ActivityRecord _sourceRecord, 288 int _startFlags, ActivityStack _stack) { 289 r = _r; 290 sourceRecord = _sourceRecord; 291 startFlags = _startFlags; 292 stack = _stack; 293 } 294 } 295 296 public ActivityStackSupervisor(ActivityManagerService service) { 297 mService = service; 298 mHandler = new ActivityStackSupervisorHandler(mService.mHandler.getLooper()); 299 } 300 301 /** 302 * At the time when the constructor runs, the power manager has not yet been 303 * initialized. So we initialize our wakelocks afterwards. 304 */ 305 void initPowerManagement() { 306 PowerManager pm = (PowerManager)mService.mContext.getSystemService(Context.POWER_SERVICE); 307 mGoingToSleep = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Sleep"); 308 mLaunchingActivity = 309 pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Launch"); 310 mLaunchingActivity.setReferenceCounted(false); 311 } 312 313 // This function returns a IStatusBarService. The value is from ServiceManager. 314 // getService and is cached. 315 private IStatusBarService getStatusBarService() { 316 synchronized (mService) { 317 if (mStatusBarService == null) { 318 mStatusBarService = IStatusBarService.Stub.asInterface( 319 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 320 if (mStatusBarService == null) { 321 Slog.w("StatusBarManager", "warning: no STATUS_BAR_SERVICE"); 322 } 323 } 324 return mStatusBarService; 325 } 326 } 327 328 private IDevicePolicyManager getDevicePolicyManager() { 329 synchronized (mService) { 330 if (mDevicePolicyManager == null) { 331 mDevicePolicyManager = IDevicePolicyManager.Stub.asInterface( 332 ServiceManager.checkService(Context.DEVICE_POLICY_SERVICE)); 333 if (mDevicePolicyManager == null) { 334 Slog.w(TAG, "warning: no DEVICE_POLICY_SERVICE"); 335 } 336 } 337 return mDevicePolicyManager; 338 } 339 } 340 341 void setWindowManager(WindowManagerService wm) { 342 synchronized (mService) { 343 mWindowManager = wm; 344 345 mDisplayManager = 346 (DisplayManager)mService.mContext.getSystemService(Context.DISPLAY_SERVICE); 347 mDisplayManager.registerDisplayListener(this, null); 348 349 Display[] displays = mDisplayManager.getDisplays(); 350 for (int displayNdx = displays.length - 1; displayNdx >= 0; --displayNdx) { 351 final int displayId = displays[displayNdx].getDisplayId(); 352 ActivityDisplay activityDisplay = new ActivityDisplay(displayId); 353 mActivityDisplays.put(displayId, activityDisplay); 354 } 355 356 createStackOnDisplay(HOME_STACK_ID, Display.DEFAULT_DISPLAY); 357 mHomeStack = mFocusedStack = mLastFocusedStack = getStack(HOME_STACK_ID); 358 359 mInputManagerInternal = LocalServices.getService(InputManagerInternal.class); 360 361 // Initialize this here, now that we can get a valid reference to PackageManager. 362 mLeanbackOnlyDevice = isLeanbackOnlyDevice(); 363 } 364 } 365 366 void notifyActivityDrawnForKeyguard() { 367 if (ActivityManagerService.DEBUG_LOCKSCREEN) mService.logLockScreen(""); 368 mWindowManager.notifyActivityDrawnForKeyguard(); 369 } 370 371 ActivityStack getFocusedStack() { 372 return mFocusedStack; 373 } 374 375 ActivityStack getLastStack() { 376 return mLastFocusedStack; 377 } 378 379 // TODO: Split into two methods isFrontStack for any visible stack and isFrontmostStack for the 380 // top of all visible stacks. 381 boolean isFrontStack(ActivityStack stack) { 382 final ActivityRecord parent = stack.mActivityContainer.mParentActivity; 383 if (parent != null) { 384 stack = parent.task.stack; 385 } 386 ArrayList<ActivityStack> stacks = stack.mStacks; 387 if (stacks != null && !stacks.isEmpty()) { 388 return stack == stacks.get(stacks.size() - 1); 389 } 390 return false; 391 } 392 393 void moveHomeStack(boolean toFront) { 394 ArrayList<ActivityStack> stacks = mHomeStack.mStacks; 395 int topNdx = stacks.size() - 1; 396 if (topNdx <= 0) { 397 return; 398 } 399 ActivityStack topStack = stacks.get(topNdx); 400 final boolean homeInFront = topStack == mHomeStack; 401 if (homeInFront != toFront) { 402 mLastFocusedStack = topStack; 403 stacks.remove(mHomeStack); 404 stacks.add(toFront ? topNdx : 0, mHomeStack); 405 mFocusedStack = stacks.get(topNdx); 406 if (DEBUG_STACK) Slog.d(TAG, "moveHomeTask: topStack old=" + topStack + " new=" 407 + mFocusedStack); 408 } 409 } 410 411 void moveHomeStackTaskToTop(int homeStackTaskType) { 412 if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) { 413 mWindowManager.showRecentApps(); 414 return; 415 } 416 moveHomeStack(true); 417 mHomeStack.moveHomeStackTaskToTop(homeStackTaskType); 418 } 419 420 boolean resumeHomeStackTask(int homeStackTaskType, ActivityRecord prev) { 421 if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) { 422 mWindowManager.showRecentApps(); 423 return false; 424 } 425 moveHomeStackTaskToTop(homeStackTaskType); 426 if (prev != null) { 427 prev.task.setTaskToReturnTo(APPLICATION_ACTIVITY_TYPE); 428 } 429 430 ActivityRecord r = mHomeStack.topRunningActivityLocked(null); 431 // if (r != null && (r.isHomeActivity() || r.isRecentsActivity())) { 432 if (r != null && r.isHomeActivity()) { 433 mService.setFocusedActivityLocked(r); 434 return resumeTopActivitiesLocked(mHomeStack, prev, null); 435 } 436 return mService.startHomeActivityLocked(mCurrentUser); 437 } 438 439 void keyguardWaitingForActivityDrawn() { 440 mWindowManager.keyguardWaitingForActivityDrawn(); 441 } 442 443 TaskRecord anyTaskForIdLocked(int id) { 444 int numDisplays = mActivityDisplays.size(); 445 for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { 446 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 447 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 448 ActivityStack stack = stacks.get(stackNdx); 449 TaskRecord task = stack.taskForIdLocked(id); 450 if (task != null) { 451 return task; 452 } 453 } 454 } 455 return null; 456 } 457 458 ActivityRecord isInAnyStackLocked(IBinder token) { 459 int numDisplays = mActivityDisplays.size(); 460 for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { 461 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 462 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 463 final ActivityRecord r = stacks.get(stackNdx).isInStackLocked(token); 464 if (r != null) { 465 return r; 466 } 467 } 468 } 469 return null; 470 } 471 472 void setNextTaskId(int taskId) { 473 if (taskId > mCurTaskId) { 474 mCurTaskId = taskId; 475 } 476 } 477 478 int getNextTaskId() { 479 do { 480 mCurTaskId++; 481 if (mCurTaskId <= 0) { 482 mCurTaskId = 1; 483 } 484 } while (anyTaskForIdLocked(mCurTaskId) != null); 485 return mCurTaskId; 486 } 487 488 ActivityRecord resumedAppLocked() { 489 ActivityStack stack = getFocusedStack(); 490 if (stack == null) { 491 return null; 492 } 493 ActivityRecord resumedActivity = stack.mResumedActivity; 494 if (resumedActivity == null || resumedActivity.app == null) { 495 resumedActivity = stack.mPausingActivity; 496 if (resumedActivity == null || resumedActivity.app == null) { 497 resumedActivity = stack.topRunningActivityLocked(null); 498 } 499 } 500 return resumedActivity; 501 } 502 503 boolean attachApplicationLocked(ProcessRecord app) throws Exception { 504 final String processName = app.processName; 505 boolean didSomething = false; 506 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 507 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 508 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 509 final ActivityStack stack = stacks.get(stackNdx); 510 if (!isFrontStack(stack)) { 511 continue; 512 } 513 ActivityRecord hr = stack.topRunningActivityLocked(null); 514 if (hr != null) { 515 if (hr.app == null && app.uid == hr.info.applicationInfo.uid 516 && processName.equals(hr.processName)) { 517 try { 518 if (realStartActivityLocked(hr, app, true, true)) { 519 didSomething = true; 520 } 521 } catch (Exception e) { 522 Slog.w(TAG, "Exception in new application when starting activity " 523 + hr.intent.getComponent().flattenToShortString(), e); 524 throw e; 525 } 526 } 527 } 528 } 529 } 530 if (!didSomething) { 531 ensureActivitiesVisibleLocked(null, 0); 532 } 533 return didSomething; 534 } 535 536 boolean allResumedActivitiesIdle() { 537 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 538 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 539 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 540 final ActivityStack stack = stacks.get(stackNdx); 541 if (!isFrontStack(stack) || stack.numActivities() == 0) { 542 continue; 543 } 544 final ActivityRecord resumedActivity = stack.mResumedActivity; 545 if (resumedActivity == null || !resumedActivity.idle) { 546 if (DEBUG_STATES) Slog.d(TAG, "allResumedActivitiesIdle: stack=" 547 + stack.mStackId + " " + resumedActivity + " not idle"); 548 return false; 549 } 550 } 551 } 552 return true; 553 } 554 555 boolean allResumedActivitiesComplete() { 556 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 557 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 558 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 559 final ActivityStack stack = stacks.get(stackNdx); 560 if (isFrontStack(stack)) { 561 final ActivityRecord r = stack.mResumedActivity; 562 if (r != null && r.state != ActivityState.RESUMED) { 563 return false; 564 } 565 } 566 } 567 } 568 // TODO: Not sure if this should check if all Paused are complete too. 569 if (DEBUG_STACK) Slog.d(TAG, 570 "allResumedActivitiesComplete: mLastFocusedStack changing from=" + 571 mLastFocusedStack + " to=" + mFocusedStack); 572 mLastFocusedStack = mFocusedStack; 573 return true; 574 } 575 576 boolean allResumedActivitiesVisible() { 577 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 578 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 579 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 580 final ActivityStack stack = stacks.get(stackNdx); 581 final ActivityRecord r = stack.mResumedActivity; 582 if (r != null && (!r.nowVisible || r.waitingVisible)) { 583 return false; 584 } 585 } 586 } 587 return true; 588 } 589 590 /** 591 * Pause all activities in either all of the stacks or just the back stacks. 592 * @param userLeaving Passed to pauseActivity() to indicate whether to call onUserLeaving(). 593 * @return true if any activity was paused as a result of this call. 594 */ 595 boolean pauseBackStacks(boolean userLeaving) { 596 boolean someActivityPaused = false; 597 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 598 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 599 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 600 final ActivityStack stack = stacks.get(stackNdx); 601 if (!isFrontStack(stack) && stack.mResumedActivity != null) { 602 if (DEBUG_STATES) Slog.d(TAG, "pauseBackStacks: stack=" + stack + 603 " mResumedActivity=" + stack.mResumedActivity); 604 stack.startPausingLocked(userLeaving, false); 605 someActivityPaused = true; 606 } 607 } 608 } 609 return someActivityPaused; 610 } 611 612 boolean allPausedActivitiesComplete() { 613 boolean pausing = true; 614 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 615 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 616 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 617 final ActivityStack stack = stacks.get(stackNdx); 618 final ActivityRecord r = stack.mPausingActivity; 619 if (r != null && r.state != ActivityState.PAUSED 620 && r.state != ActivityState.STOPPED 621 && r.state != ActivityState.STOPPING) { 622 if (DEBUG_STATES) { 623 Slog.d(TAG, "allPausedActivitiesComplete: r=" + r + " state=" + r.state); 624 pausing = false; 625 } else { 626 return false; 627 } 628 } 629 } 630 } 631 return pausing; 632 } 633 634 void pauseChildStacks(ActivityRecord parent, boolean userLeaving, boolean uiSleeping) { 635 // TODO: Put all stacks in supervisor and iterate through them instead. 636 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 637 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 638 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 639 final ActivityStack stack = stacks.get(stackNdx); 640 if (stack.mResumedActivity != null && 641 stack.mActivityContainer.mParentActivity == parent) { 642 stack.startPausingLocked(userLeaving, uiSleeping); 643 } 644 } 645 } 646 } 647 648 void reportActivityVisibleLocked(ActivityRecord r) { 649 for (int i = mWaitingActivityVisible.size()-1; i >= 0; i--) { 650 WaitResult w = mWaitingActivityVisible.get(i); 651 w.timeout = false; 652 if (r != null) { 653 w.who = new ComponentName(r.info.packageName, r.info.name); 654 } 655 w.totalTime = SystemClock.uptimeMillis() - w.thisTime; 656 w.thisTime = w.totalTime; 657 } 658 mService.notifyAll(); 659 notifyActivityDrawnForKeyguard(); 660 } 661 662 void reportActivityLaunchedLocked(boolean timeout, ActivityRecord r, 663 long thisTime, long totalTime) { 664 for (int i = mWaitingActivityLaunched.size() - 1; i >= 0; i--) { 665 WaitResult w = mWaitingActivityLaunched.remove(i); 666 w.timeout = timeout; 667 if (r != null) { 668 w.who = new ComponentName(r.info.packageName, r.info.name); 669 } 670 w.thisTime = thisTime; 671 w.totalTime = totalTime; 672 } 673 mService.notifyAll(); 674 } 675 676 ActivityRecord topRunningActivityLocked() { 677 final ActivityStack focusedStack = getFocusedStack(); 678 ActivityRecord r = focusedStack.topRunningActivityLocked(null); 679 if (r != null) { 680 return r; 681 } 682 683 // Return to the home stack. 684 final ArrayList<ActivityStack> stacks = mHomeStack.mStacks; 685 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 686 final ActivityStack stack = stacks.get(stackNdx); 687 if (stack != focusedStack && isFrontStack(stack)) { 688 r = stack.topRunningActivityLocked(null); 689 if (r != null) { 690 return r; 691 } 692 } 693 } 694 return null; 695 } 696 697 void getTasksLocked(int maxNum, List<RunningTaskInfo> list, int callingUid, boolean allowed) { 698 // Gather all of the running tasks for each stack into runningTaskLists. 699 ArrayList<ArrayList<RunningTaskInfo>> runningTaskLists = 700 new ArrayList<ArrayList<RunningTaskInfo>>(); 701 final int numDisplays = mActivityDisplays.size(); 702 for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { 703 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 704 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 705 final ActivityStack stack = stacks.get(stackNdx); 706 ArrayList<RunningTaskInfo> stackTaskList = new ArrayList<RunningTaskInfo>(); 707 runningTaskLists.add(stackTaskList); 708 stack.getTasksLocked(stackTaskList, callingUid, allowed); 709 } 710 } 711 712 // The lists are already sorted from most recent to oldest. Just pull the most recent off 713 // each list and add it to list. Stop when all lists are empty or maxNum reached. 714 while (maxNum > 0) { 715 long mostRecentActiveTime = Long.MIN_VALUE; 716 ArrayList<RunningTaskInfo> selectedStackList = null; 717 final int numTaskLists = runningTaskLists.size(); 718 for (int stackNdx = 0; stackNdx < numTaskLists; ++stackNdx) { 719 ArrayList<RunningTaskInfo> stackTaskList = runningTaskLists.get(stackNdx); 720 if (!stackTaskList.isEmpty()) { 721 final long lastActiveTime = stackTaskList.get(0).lastActiveTime; 722 if (lastActiveTime > mostRecentActiveTime) { 723 mostRecentActiveTime = lastActiveTime; 724 selectedStackList = stackTaskList; 725 } 726 } 727 } 728 if (selectedStackList != null) { 729 list.add(selectedStackList.remove(0)); 730 --maxNum; 731 } else { 732 break; 733 } 734 } 735 } 736 737 ActivityInfo resolveActivity(Intent intent, String resolvedType, int startFlags, 738 ProfilerInfo profilerInfo, int userId) { 739 // Collect information about the target of the Intent. 740 ActivityInfo aInfo; 741 try { 742 ResolveInfo rInfo = 743 AppGlobals.getPackageManager().resolveIntent( 744 intent, resolvedType, 745 PackageManager.MATCH_DEFAULT_ONLY 746 | ActivityManagerService.STOCK_PM_FLAGS, userId); 747 aInfo = rInfo != null ? rInfo.activityInfo : null; 748 } catch (RemoteException e) { 749 aInfo = null; 750 } 751 752 if (aInfo != null) { 753 // Store the found target back into the intent, because now that 754 // we have it we never want to do this again. For example, if the 755 // user navigates back to this point in the history, we should 756 // always restart the exact same activity. 757 intent.setComponent(new ComponentName( 758 aInfo.applicationInfo.packageName, aInfo.name)); 759 760 // Don't debug things in the system process 761 if ((startFlags&ActivityManager.START_FLAG_DEBUG) != 0) { 762 if (!aInfo.processName.equals("system")) { 763 mService.setDebugApp(aInfo.processName, true, false); 764 } 765 } 766 767 if ((startFlags&ActivityManager.START_FLAG_OPENGL_TRACES) != 0) { 768 if (!aInfo.processName.equals("system")) { 769 mService.setOpenGlTraceApp(aInfo.applicationInfo, aInfo.processName); 770 } 771 } 772 773 if (profilerInfo != null) { 774 if (!aInfo.processName.equals("system")) { 775 mService.setProfileApp(aInfo.applicationInfo, aInfo.processName, profilerInfo); 776 } 777 } 778 } 779 return aInfo; 780 } 781 782 void startHomeActivity(Intent intent, ActivityInfo aInfo) { 783 moveHomeStackTaskToTop(HOME_ACTIVITY_TYPE); 784 startActivityLocked(null, intent, null, aInfo, null, null, null, null, 0, 0, 0, null, 0, 785 null, false, null, null, null); 786 } 787 788 final int startActivityMayWait(IApplicationThread caller, int callingUid, 789 String callingPackage, Intent intent, String resolvedType, 790 IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, 791 IBinder resultTo, String resultWho, int requestCode, int startFlags, 792 ProfilerInfo profilerInfo, WaitResult outResult, Configuration config, 793 Bundle options, int userId, IActivityContainer iContainer, TaskRecord inTask) { 794 // Refuse possible leaked file descriptors 795 if (intent != null && intent.hasFileDescriptors()) { 796 throw new IllegalArgumentException("File descriptors passed in Intent"); 797 } 798 boolean componentSpecified = intent.getComponent() != null; 799 800 // Don't modify the client's object! 801 intent = new Intent(intent); 802 803 // Collect information about the target of the Intent. 804 ActivityInfo aInfo = resolveActivity(intent, resolvedType, startFlags, 805 profilerInfo, userId); 806 807 ActivityContainer container = (ActivityContainer)iContainer; 808 synchronized (mService) { 809 int callingPid; 810 if (callingUid >= 0) { 811 callingPid = -1; 812 } else if (caller == null) { 813 callingPid = Binder.getCallingPid(); 814 callingUid = Binder.getCallingUid(); 815 } else { 816 callingPid = callingUid = -1; 817 } 818 819 final ActivityStack stack; 820 if (container == null || container.mStack.isOnHomeDisplay()) { 821 stack = getFocusedStack(); 822 } else { 823 stack = container.mStack; 824 } 825 stack.mConfigWillChange = config != null 826 && mService.mConfiguration.diff(config) != 0; 827 if (DEBUG_CONFIGURATION) Slog.v(TAG, 828 "Starting activity when config will change = " + stack.mConfigWillChange); 829 830 final long origId = Binder.clearCallingIdentity(); 831 832 if (aInfo != null && 833 (aInfo.applicationInfo.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) { 834 // This may be a heavy-weight process! Check to see if we already 835 // have another, different heavy-weight process running. 836 if (aInfo.processName.equals(aInfo.applicationInfo.packageName)) { 837 if (mService.mHeavyWeightProcess != null && 838 (mService.mHeavyWeightProcess.info.uid != aInfo.applicationInfo.uid || 839 !mService.mHeavyWeightProcess.processName.equals(aInfo.processName))) { 840 int realCallingUid = callingUid; 841 if (caller != null) { 842 ProcessRecord callerApp = mService.getRecordForAppLocked(caller); 843 if (callerApp != null) { 844 realCallingUid = callerApp.info.uid; 845 } else { 846 Slog.w(TAG, "Unable to find app for caller " + caller 847 + " (pid=" + callingPid + ") when starting: " 848 + intent.toString()); 849 ActivityOptions.abort(options); 850 return ActivityManager.START_PERMISSION_DENIED; 851 } 852 } 853 854 IIntentSender target = mService.getIntentSenderLocked( 855 ActivityManager.INTENT_SENDER_ACTIVITY, "android", 856 realCallingUid, userId, null, null, 0, new Intent[] { intent }, 857 new String[] { resolvedType }, PendingIntent.FLAG_CANCEL_CURRENT 858 | PendingIntent.FLAG_ONE_SHOT, null); 859 860 Intent newIntent = new Intent(); 861 if (requestCode >= 0) { 862 // Caller is requesting a result. 863 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true); 864 } 865 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT, 866 new IntentSender(target)); 867 if (mService.mHeavyWeightProcess.activities.size() > 0) { 868 ActivityRecord hist = mService.mHeavyWeightProcess.activities.get(0); 869 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_APP, 870 hist.packageName); 871 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_TASK, 872 hist.task.taskId); 873 } 874 newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP, 875 aInfo.packageName); 876 newIntent.setFlags(intent.getFlags()); 877 newIntent.setClassName("android", 878 HeavyWeightSwitcherActivity.class.getName()); 879 intent = newIntent; 880 resolvedType = null; 881 caller = null; 882 callingUid = Binder.getCallingUid(); 883 callingPid = Binder.getCallingPid(); 884 componentSpecified = true; 885 try { 886 ResolveInfo rInfo = 887 AppGlobals.getPackageManager().resolveIntent( 888 intent, null, 889 PackageManager.MATCH_DEFAULT_ONLY 890 | ActivityManagerService.STOCK_PM_FLAGS, userId); 891 aInfo = rInfo != null ? rInfo.activityInfo : null; 892 aInfo = mService.getActivityInfoForUser(aInfo, userId); 893 } catch (RemoteException e) { 894 aInfo = null; 895 } 896 } 897 } 898 } 899 900 int res = startActivityLocked(caller, intent, resolvedType, aInfo, 901 voiceSession, voiceInteractor, resultTo, resultWho, 902 requestCode, callingPid, callingUid, callingPackage, startFlags, options, 903 componentSpecified, null, container, inTask); 904 905 Binder.restoreCallingIdentity(origId); 906 907 if (stack.mConfigWillChange) { 908 // If the caller also wants to switch to a new configuration, 909 // do so now. This allows a clean switch, as we are waiting 910 // for the current activity to pause (so we will not destroy 911 // it), and have not yet started the next activity. 912 mService.enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, 913 "updateConfiguration()"); 914 stack.mConfigWillChange = false; 915 if (DEBUG_CONFIGURATION) Slog.v(TAG, 916 "Updating to new configuration after starting activity."); 917 mService.updateConfigurationLocked(config, null, false, false); 918 } 919 920 if (outResult != null) { 921 outResult.result = res; 922 if (res == ActivityManager.START_SUCCESS) { 923 mWaitingActivityLaunched.add(outResult); 924 do { 925 try { 926 mService.wait(); 927 } catch (InterruptedException e) { 928 } 929 } while (!outResult.timeout && outResult.who == null); 930 } else if (res == ActivityManager.START_TASK_TO_FRONT) { 931 ActivityRecord r = stack.topRunningActivityLocked(null); 932 if (r.nowVisible) { 933 outResult.timeout = false; 934 outResult.who = new ComponentName(r.info.packageName, r.info.name); 935 outResult.totalTime = 0; 936 outResult.thisTime = 0; 937 } else { 938 outResult.thisTime = SystemClock.uptimeMillis(); 939 mWaitingActivityVisible.add(outResult); 940 do { 941 try { 942 mService.wait(); 943 } catch (InterruptedException e) { 944 } 945 } while (!outResult.timeout && outResult.who == null); 946 } 947 } 948 } 949 950 return res; 951 } 952 } 953 954 final int startActivities(IApplicationThread caller, int callingUid, String callingPackage, 955 Intent[] intents, String[] resolvedTypes, IBinder resultTo, 956 Bundle options, int userId) { 957 if (intents == null) { 958 throw new NullPointerException("intents is null"); 959 } 960 if (resolvedTypes == null) { 961 throw new NullPointerException("resolvedTypes is null"); 962 } 963 if (intents.length != resolvedTypes.length) { 964 throw new IllegalArgumentException("intents are length different than resolvedTypes"); 965 } 966 967 968 int callingPid; 969 if (callingUid >= 0) { 970 callingPid = -1; 971 } else if (caller == null) { 972 callingPid = Binder.getCallingPid(); 973 callingUid = Binder.getCallingUid(); 974 } else { 975 callingPid = callingUid = -1; 976 } 977 final long origId = Binder.clearCallingIdentity(); 978 try { 979 synchronized (mService) { 980 ActivityRecord[] outActivity = new ActivityRecord[1]; 981 for (int i=0; i<intents.length; i++) { 982 Intent intent = intents[i]; 983 if (intent == null) { 984 continue; 985 } 986 987 // Refuse possible leaked file descriptors 988 if (intent != null && intent.hasFileDescriptors()) { 989 throw new IllegalArgumentException("File descriptors passed in Intent"); 990 } 991 992 boolean componentSpecified = intent.getComponent() != null; 993 994 // Don't modify the client's object! 995 intent = new Intent(intent); 996 997 // Collect information about the target of the Intent. 998 ActivityInfo aInfo = resolveActivity(intent, resolvedTypes[i], 0, null, userId); 999 // TODO: New, check if this is correct 1000 aInfo = mService.getActivityInfoForUser(aInfo, userId); 1001 1002 if (aInfo != null && 1003 (aInfo.applicationInfo.flags & ApplicationInfo.FLAG_CANT_SAVE_STATE) 1004 != 0) { 1005 throw new IllegalArgumentException( 1006 "FLAG_CANT_SAVE_STATE not supported here"); 1007 } 1008 1009 Bundle theseOptions; 1010 if (options != null && i == intents.length-1) { 1011 theseOptions = options; 1012 } else { 1013 theseOptions = null; 1014 } 1015 int res = startActivityLocked(caller, intent, resolvedTypes[i], 1016 aInfo, null, null, resultTo, null, -1, callingPid, callingUid, callingPackage, 1017 0, theseOptions, componentSpecified, outActivity, null, null); 1018 if (res < 0) { 1019 return res; 1020 } 1021 1022 resultTo = outActivity[0] != null ? outActivity[0].appToken : null; 1023 } 1024 } 1025 } finally { 1026 Binder.restoreCallingIdentity(origId); 1027 } 1028 1029 return ActivityManager.START_SUCCESS; 1030 } 1031 1032 final boolean realStartActivityLocked(ActivityRecord r, 1033 ProcessRecord app, boolean andResume, boolean checkConfig) 1034 throws RemoteException { 1035 1036 r.startFreezingScreenLocked(app, 0); 1037 if (false) Slog.d(TAG, "realStartActivity: setting app visibility true"); 1038 mWindowManager.setAppVisibility(r.appToken, true); 1039 1040 // schedule launch ticks to collect information about slow apps. 1041 r.startLaunchTickingLocked(); 1042 1043 // Have the window manager re-evaluate the orientation of 1044 // the screen based on the new activity order. Note that 1045 // as a result of this, it can call back into the activity 1046 // manager with a new orientation. We don't care about that, 1047 // because the activity is not currently running so we are 1048 // just restarting it anyway. 1049 if (checkConfig) { 1050 Configuration config = mWindowManager.updateOrientationFromAppTokens( 1051 mService.mConfiguration, 1052 r.mayFreezeScreenLocked(app) ? r.appToken : null); 1053 mService.updateConfigurationLocked(config, r, false, false); 1054 } 1055 1056 r.app = app; 1057 app.waitingToKill = null; 1058 r.launchCount++; 1059 r.lastLaunchTime = SystemClock.uptimeMillis(); 1060 1061 if (localLOGV) Slog.v(TAG, "Launching: " + r); 1062 1063 int idx = app.activities.indexOf(r); 1064 if (idx < 0) { 1065 app.activities.add(r); 1066 } 1067 mService.updateLruProcessLocked(app, true, null); 1068 mService.updateOomAdjLocked(); 1069 1070 final ActivityStack stack = r.task.stack; 1071 try { 1072 if (app.thread == null) { 1073 throw new RemoteException(); 1074 } 1075 List<ResultInfo> results = null; 1076 List<Intent> newIntents = null; 1077 if (andResume) { 1078 results = r.results; 1079 newIntents = r.newIntents; 1080 } 1081 if (DEBUG_SWITCH) Slog.v(TAG, "Launching: " + r 1082 + " icicle=" + r.icicle 1083 + " with results=" + results + " newIntents=" + newIntents 1084 + " andResume=" + andResume); 1085 if (andResume) { 1086 EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY, 1087 r.userId, System.identityHashCode(r), 1088 r.task.taskId, r.shortComponentName); 1089 } 1090 if (r.isHomeActivity() && r.isNotResolverActivity()) { 1091 // Home process is the root process of the task. 1092 mService.mHomeProcess = r.task.mActivities.get(0).app; 1093 } 1094 mService.ensurePackageDexOpt(r.intent.getComponent().getPackageName()); 1095 r.sleeping = false; 1096 r.forceNewConfig = false; 1097 mService.showAskCompatModeDialogLocked(r); 1098 r.compat = mService.compatibilityInfoForPackageLocked(r.info.applicationInfo); 1099 String profileFile = null; 1100 ParcelFileDescriptor profileFd = null; 1101 if (mService.mProfileApp != null && mService.mProfileApp.equals(app.processName)) { 1102 if (mService.mProfileProc == null || mService.mProfileProc == app) { 1103 mService.mProfileProc = app; 1104 profileFile = mService.mProfileFile; 1105 profileFd = mService.mProfileFd; 1106 } 1107 } 1108 app.hasShownUi = true; 1109 app.pendingUiClean = true; 1110 if (profileFd != null) { 1111 try { 1112 profileFd = profileFd.dup(); 1113 } catch (IOException e) { 1114 if (profileFd != null) { 1115 try { 1116 profileFd.close(); 1117 } catch (IOException o) { 1118 } 1119 profileFd = null; 1120 } 1121 } 1122 } 1123 1124 ProfilerInfo profilerInfo = profileFile != null 1125 ? new ProfilerInfo(profileFile, profileFd, mService.mSamplingInterval, 1126 mService.mAutoStopProfiler) : null; 1127 app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_TOP); 1128 app.thread.scheduleLaunchActivity(new Intent(r.intent), r.appToken, 1129 System.identityHashCode(r), r.info, new Configuration(mService.mConfiguration), 1130 r.compat, r.task.voiceInteractor, app.repProcState, r.icicle, r.persistentState, 1131 results, newIntents, !andResume, mService.isNextTransitionForward(), 1132 profilerInfo); 1133 1134 if ((app.info.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) { 1135 // This may be a heavy-weight process! Note that the package 1136 // manager will ensure that only activity can run in the main 1137 // process of the .apk, which is the only thing that will be 1138 // considered heavy-weight. 1139 if (app.processName.equals(app.info.packageName)) { 1140 if (mService.mHeavyWeightProcess != null 1141 && mService.mHeavyWeightProcess != app) { 1142 Slog.w(TAG, "Starting new heavy weight process " + app 1143 + " when already running " 1144 + mService.mHeavyWeightProcess); 1145 } 1146 mService.mHeavyWeightProcess = app; 1147 Message msg = mService.mHandler.obtainMessage( 1148 ActivityManagerService.POST_HEAVY_NOTIFICATION_MSG); 1149 msg.obj = r; 1150 mService.mHandler.sendMessage(msg); 1151 } 1152 } 1153 1154 } catch (RemoteException e) { 1155 if (r.launchFailed) { 1156 // This is the second time we failed -- finish activity 1157 // and give up. 1158 Slog.e(TAG, "Second failure launching " 1159 + r.intent.getComponent().flattenToShortString() 1160 + ", giving up", e); 1161 mService.appDiedLocked(app); 1162 stack.requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null, 1163 "2nd-crash", false); 1164 return false; 1165 } 1166 1167 // This is the first time we failed -- restart process and 1168 // retry. 1169 app.activities.remove(r); 1170 throw e; 1171 } 1172 1173 r.launchFailed = false; 1174 if (stack.updateLRUListLocked(r)) { 1175 Slog.w(TAG, "Activity " + r 1176 + " being launched, but already in LRU list"); 1177 } 1178 1179 if (andResume) { 1180 // As part of the process of launching, ActivityThread also performs 1181 // a resume. 1182 stack.minimalResumeActivityLocked(r); 1183 } else { 1184 // This activity is not starting in the resumed state... which 1185 // should look like we asked it to pause+stop (but remain visible), 1186 // and it has done so and reported back the current icicle and 1187 // other state. 1188 if (DEBUG_STATES) Slog.v(TAG, "Moving to STOPPED: " + r 1189 + " (starting in stopped state)"); 1190 r.state = ActivityState.STOPPED; 1191 r.stopped = true; 1192 } 1193 1194 // Launch the new version setup screen if needed. We do this -after- 1195 // launching the initial activity (that is, home), so that it can have 1196 // a chance to initialize itself while in the background, making the 1197 // switch back to it faster and look better. 1198 if (isFrontStack(stack)) { 1199 mService.startSetupActivityLocked(); 1200 } 1201 1202 return true; 1203 } 1204 1205 void startSpecificActivityLocked(ActivityRecord r, 1206 boolean andResume, boolean checkConfig) { 1207 // Is this activity's application already running? 1208 ProcessRecord app = mService.getProcessRecordLocked(r.processName, 1209 r.info.applicationInfo.uid, true); 1210 1211 r.task.stack.setLaunchTime(r); 1212 1213 if (app != null && app.thread != null) { 1214 try { 1215 if ((r.info.flags&ActivityInfo.FLAG_MULTIPROCESS) == 0 1216 || !"android".equals(r.info.packageName)) { 1217 // Don't add this if it is a platform component that is marked 1218 // to run in multiple processes, because this is actually 1219 // part of the framework so doesn't make sense to track as a 1220 // separate apk in the process. 1221 app.addPackage(r.info.packageName, r.info.applicationInfo.versionCode, 1222 mService.mProcessStats); 1223 } 1224 realStartActivityLocked(r, app, andResume, checkConfig); 1225 return; 1226 } catch (RemoteException e) { 1227 Slog.w(TAG, "Exception when starting activity " 1228 + r.intent.getComponent().flattenToShortString(), e); 1229 } 1230 1231 // If a dead object exception was thrown -- fall through to 1232 // restart the application. 1233 } 1234 1235 mService.startProcessLocked(r.processName, r.info.applicationInfo, true, 0, 1236 "activity", r.intent.getComponent(), false, false, true); 1237 } 1238 1239 final int startActivityLocked(IApplicationThread caller, 1240 Intent intent, String resolvedType, ActivityInfo aInfo, 1241 IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, 1242 IBinder resultTo, String resultWho, int requestCode, 1243 int callingPid, int callingUid, String callingPackage, int startFlags, Bundle options, 1244 boolean componentSpecified, ActivityRecord[] outActivity, ActivityContainer container, 1245 TaskRecord inTask) { 1246 int err = ActivityManager.START_SUCCESS; 1247 1248 ProcessRecord callerApp = null; 1249 if (caller != null) { 1250 callerApp = mService.getRecordForAppLocked(caller); 1251 if (callerApp != null) { 1252 callingPid = callerApp.pid; 1253 callingUid = callerApp.info.uid; 1254 } else { 1255 Slog.w(TAG, "Unable to find app for caller " + caller 1256 + " (pid=" + callingPid + ") when starting: " 1257 + intent.toString()); 1258 err = ActivityManager.START_PERMISSION_DENIED; 1259 } 1260 } 1261 1262 if (err == ActivityManager.START_SUCCESS) { 1263 final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0; 1264 Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false) 1265 + "} from uid " + callingUid 1266 + " on display " + (container == null ? (mFocusedStack == null ? 1267 Display.DEFAULT_DISPLAY : mFocusedStack.mDisplayId) : 1268 (container.mActivityDisplay == null ? Display.DEFAULT_DISPLAY : 1269 container.mActivityDisplay.mDisplayId))); 1270 } 1271 1272 ActivityRecord sourceRecord = null; 1273 ActivityRecord resultRecord = null; 1274 if (resultTo != null) { 1275 sourceRecord = isInAnyStackLocked(resultTo); 1276 if (DEBUG_RESULTS) Slog.v( 1277 TAG, "Will send result to " + resultTo + " " + sourceRecord); 1278 if (sourceRecord != null) { 1279 if (requestCode >= 0 && !sourceRecord.finishing) { 1280 resultRecord = sourceRecord; 1281 } 1282 } 1283 } 1284 ActivityStack resultStack = resultRecord == null ? null : resultRecord.task.stack; 1285 1286 final int launchFlags = intent.getFlags(); 1287 1288 if ((launchFlags&Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0 1289 && sourceRecord != null) { 1290 // Transfer the result target from the source activity to the new 1291 // one being started, including any failures. 1292 if (requestCode >= 0) { 1293 ActivityOptions.abort(options); 1294 return ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT; 1295 } 1296 resultRecord = sourceRecord.resultTo; 1297 resultWho = sourceRecord.resultWho; 1298 requestCode = sourceRecord.requestCode; 1299 sourceRecord.resultTo = null; 1300 if (resultRecord != null) { 1301 resultRecord.removeResultsLocked(sourceRecord, resultWho, requestCode); 1302 } 1303 if (sourceRecord.launchedFromUid == callingUid) { 1304 // The new activity is being launched from the same uid as the previous 1305 // activity in the flow, and asking to forward its result back to the 1306 // previous. In this case the activity is serving as a trampoline between 1307 // the two, so we also want to update its launchedFromPackage to be the 1308 // same as the previous activity. Note that this is safe, since we know 1309 // these two packages come from the same uid; the caller could just as 1310 // well have supplied that same package name itself. This specifially 1311 // deals with the case of an intent picker/chooser being launched in the app 1312 // flow to redirect to an activity picked by the user, where we want the final 1313 // activity to consider it to have been launched by the previous app activity. 1314 callingPackage = sourceRecord.launchedFromPackage; 1315 } 1316 } 1317 1318 if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) { 1319 // We couldn't find a class that can handle the given Intent. 1320 // That's the end of that! 1321 err = ActivityManager.START_INTENT_NOT_RESOLVED; 1322 } 1323 1324 if (err == ActivityManager.START_SUCCESS && aInfo == null) { 1325 // We couldn't find the specific class specified in the Intent. 1326 // Also the end of the line. 1327 err = ActivityManager.START_CLASS_NOT_FOUND; 1328 } 1329 1330 if (err == ActivityManager.START_SUCCESS && sourceRecord != null 1331 && sourceRecord.task.voiceSession != null) { 1332 // If this activity is being launched as part of a voice session, we need 1333 // to ensure that it is safe to do so. If the upcoming activity will also 1334 // be part of the voice session, we can only launch it if it has explicitly 1335 // said it supports the VOICE category, or it is a part of the calling app. 1336 if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0 1337 && sourceRecord.info.applicationInfo.uid != aInfo.applicationInfo.uid) { 1338 try { 1339 if (!AppGlobals.getPackageManager().activitySupportsIntent(intent.getComponent(), 1340 intent, resolvedType)) { 1341 err = ActivityManager.START_NOT_VOICE_COMPATIBLE; 1342 } 1343 } catch (RemoteException e) { 1344 err = ActivityManager.START_NOT_VOICE_COMPATIBLE; 1345 } 1346 } 1347 } 1348 1349 if (err == ActivityManager.START_SUCCESS && voiceSession != null) { 1350 // If the caller is starting a new voice session, just make sure the target 1351 // is actually allowing it to run this way. 1352 try { 1353 if (!AppGlobals.getPackageManager().activitySupportsIntent(intent.getComponent(), 1354 intent, resolvedType)) { 1355 err = ActivityManager.START_NOT_VOICE_COMPATIBLE; 1356 } 1357 } catch (RemoteException e) { 1358 err = ActivityManager.START_NOT_VOICE_COMPATIBLE; 1359 } 1360 } 1361 1362 if (err != ActivityManager.START_SUCCESS) { 1363 if (resultRecord != null) { 1364 resultStack.sendActivityResultLocked(-1, 1365 resultRecord, resultWho, requestCode, 1366 Activity.RESULT_CANCELED, null); 1367 } 1368 ActivityOptions.abort(options); 1369 return err; 1370 } 1371 1372 final int startAnyPerm = mService.checkPermission( 1373 START_ANY_ACTIVITY, callingPid, callingUid); 1374 final int componentPerm = mService.checkComponentPermission(aInfo.permission, callingPid, 1375 callingUid, aInfo.applicationInfo.uid, aInfo.exported); 1376 if (startAnyPerm != PERMISSION_GRANTED && componentPerm != PERMISSION_GRANTED) { 1377 if (resultRecord != null) { 1378 resultStack.sendActivityResultLocked(-1, 1379 resultRecord, resultWho, requestCode, 1380 Activity.RESULT_CANCELED, null); 1381 } 1382 String msg; 1383 if (!aInfo.exported) { 1384 msg = "Permission Denial: starting " + intent.toString() 1385 + " from " + callerApp + " (pid=" + callingPid 1386 + ", uid=" + callingUid + ")" 1387 + " not exported from uid " + aInfo.applicationInfo.uid; 1388 } else { 1389 msg = "Permission Denial: starting " + intent.toString() 1390 + " from " + callerApp + " (pid=" + callingPid 1391 + ", uid=" + callingUid + ")" 1392 + " requires " + aInfo.permission; 1393 } 1394 Slog.w(TAG, msg); 1395 throw new SecurityException(msg); 1396 } 1397 1398 boolean abort = !mService.mIntentFirewall.checkStartActivity(intent, callingUid, 1399 callingPid, resolvedType, aInfo.applicationInfo); 1400 1401 if (mService.mController != null) { 1402 try { 1403 // The Intent we give to the watcher has the extra data 1404 // stripped off, since it can contain private information. 1405 Intent watchIntent = intent.cloneFilter(); 1406 abort |= !mService.mController.activityStarting(watchIntent, 1407 aInfo.applicationInfo.packageName); 1408 } catch (RemoteException e) { 1409 mService.mController = null; 1410 } 1411 } 1412 1413 if (abort) { 1414 if (resultRecord != null) { 1415 resultStack.sendActivityResultLocked(-1, resultRecord, resultWho, requestCode, 1416 Activity.RESULT_CANCELED, null); 1417 } 1418 // We pretend to the caller that it was really started, but 1419 // they will just get a cancel result. 1420 ActivityOptions.abort(options); 1421 return ActivityManager.START_SUCCESS; 1422 } 1423 1424 ActivityRecord r = new ActivityRecord(mService, callerApp, callingUid, callingPackage, 1425 intent, resolvedType, aInfo, mService.mConfiguration, resultRecord, resultWho, 1426 requestCode, componentSpecified, this, container, options); 1427 if (outActivity != null) { 1428 outActivity[0] = r; 1429 } 1430 1431 final ActivityStack stack = getFocusedStack(); 1432 if (voiceSession == null && (stack.mResumedActivity == null 1433 || stack.mResumedActivity.info.applicationInfo.uid != callingUid)) { 1434 if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, "Activity start")) { 1435 PendingActivityLaunch pal = 1436 new PendingActivityLaunch(r, sourceRecord, startFlags, stack); 1437 mPendingActivityLaunches.add(pal); 1438 ActivityOptions.abort(options); 1439 return ActivityManager.START_SWITCHES_CANCELED; 1440 } 1441 } 1442 1443 if (mService.mDidAppSwitch) { 1444 // This is the second allowed switch since we stopped switches, 1445 // so now just generally allow switches. Use case: user presses 1446 // home (switches disabled, switch to home, mDidAppSwitch now true); 1447 // user taps a home icon (coming from home so allowed, we hit here 1448 // and now allow anyone to switch again). 1449 mService.mAppSwitchesAllowedTime = 0; 1450 } else { 1451 mService.mDidAppSwitch = true; 1452 } 1453 1454 doPendingActivityLaunchesLocked(false); 1455 1456 err = startActivityUncheckedLocked(r, sourceRecord, voiceSession, voiceInteractor, 1457 startFlags, true, options, inTask); 1458 1459 if (err < 0) { 1460 // If someone asked to have the keyguard dismissed on the next 1461 // activity start, but we are not actually doing an activity 1462 // switch... just dismiss the keyguard now, because we 1463 // probably want to see whatever is behind it. 1464 notifyActivityDrawnForKeyguard(); 1465 } 1466 return err; 1467 } 1468 1469 ActivityStack adjustStackFocus(ActivityRecord r, boolean newTask) { 1470 final TaskRecord task = r.task; 1471 1472 // On leanback only devices we should keep all activities in the same stack. 1473 if (!mLeanbackOnlyDevice && 1474 (r.isApplicationActivity() || (task != null && task.isApplicationTask()))) { 1475 if (task != null) { 1476 final ActivityStack taskStack = task.stack; 1477 if (taskStack.isOnHomeDisplay()) { 1478 if (mFocusedStack != taskStack) { 1479 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, "adjustStackFocus: Setting " + 1480 "focused stack to r=" + r + " task=" + task); 1481 mFocusedStack = taskStack; 1482 } else { 1483 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, 1484 "adjustStackFocus: Focused stack already=" + mFocusedStack); 1485 } 1486 } 1487 return taskStack; 1488 } 1489 1490 final ActivityContainer container = r.mInitialActivityContainer; 1491 if (container != null) { 1492 // The first time put it on the desired stack, after this put on task stack. 1493 r.mInitialActivityContainer = null; 1494 return container.mStack; 1495 } 1496 1497 if (mFocusedStack != mHomeStack && (!newTask || 1498 mFocusedStack.mActivityContainer.isEligibleForNewTasks())) { 1499 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, 1500 "adjustStackFocus: Have a focused stack=" + mFocusedStack); 1501 return mFocusedStack; 1502 } 1503 1504 final ArrayList<ActivityStack> homeDisplayStacks = mHomeStack.mStacks; 1505 for (int stackNdx = homeDisplayStacks.size() - 1; stackNdx >= 0; --stackNdx) { 1506 final ActivityStack stack = homeDisplayStacks.get(stackNdx); 1507 if (!stack.isHomeStack()) { 1508 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, 1509 "adjustStackFocus: Setting focused stack=" + stack); 1510 mFocusedStack = stack; 1511 return mFocusedStack; 1512 } 1513 } 1514 1515 // Need to create an app stack for this user. 1516 int stackId = createStackOnDisplay(getNextStackId(), Display.DEFAULT_DISPLAY); 1517 if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG, "adjustStackFocus: New stack r=" + r + 1518 " stackId=" + stackId); 1519 mFocusedStack = getStack(stackId); 1520 return mFocusedStack; 1521 } 1522 return mHomeStack; 1523 } 1524 1525 void setFocusedStack(ActivityRecord r) { 1526 if (r != null) { 1527 final TaskRecord task = r.task; 1528 boolean isHomeActivity = !r.isApplicationActivity(); 1529 if (!isHomeActivity && task != null) { 1530 isHomeActivity = !task.isApplicationTask(); 1531 } 1532 if (!isHomeActivity && task != null) { 1533 final ActivityRecord parent = task.stack.mActivityContainer.mParentActivity; 1534 isHomeActivity = parent != null && parent.isHomeActivity(); 1535 } 1536 moveHomeStack(isHomeActivity); 1537 } 1538 } 1539 1540 final int startActivityUncheckedLocked(ActivityRecord r, ActivityRecord sourceRecord, 1541 IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, int startFlags, 1542 boolean doResume, Bundle options, TaskRecord inTask) { 1543 final Intent intent = r.intent; 1544 final int callingUid = r.launchedFromUid; 1545 1546 // In some flows in to this function, we retrieve the task record and hold on to it 1547 // without a lock before calling back in to here... so the task at this point may 1548 // not actually be in recents. Check for that, and if it isn't in recents just 1549 // consider it invalid. 1550 if (inTask != null && !inTask.inRecents) { 1551 Slog.w(TAG, "Starting activity in task not in recents: " + inTask); 1552 inTask = null; 1553 } 1554 1555 final boolean launchSingleTop = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP; 1556 final boolean launchSingleInstance = r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE; 1557 final boolean launchSingleTask = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK; 1558 1559 int launchFlags = intent.getFlags(); 1560 if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && 1561 (launchSingleInstance || launchSingleTask)) { 1562 // We have a conflict between the Intent and the Activity manifest, manifest wins. 1563 Slog.i(TAG, "Ignoring FLAG_ACTIVITY_NEW_DOCUMENT, launchMode is " + 1564 "\"singleInstance\" or \"singleTask\""); 1565 launchFlags &= 1566 ~(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | Intent.FLAG_ACTIVITY_MULTIPLE_TASK); 1567 } else { 1568 switch (r.info.documentLaunchMode) { 1569 case ActivityInfo.DOCUMENT_LAUNCH_NONE: 1570 break; 1571 case ActivityInfo.DOCUMENT_LAUNCH_INTO_EXISTING: 1572 launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; 1573 break; 1574 case ActivityInfo.DOCUMENT_LAUNCH_ALWAYS: 1575 launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; 1576 break; 1577 case ActivityInfo.DOCUMENT_LAUNCH_NEVER: 1578 launchFlags &= ~Intent.FLAG_ACTIVITY_MULTIPLE_TASK; 1579 break; 1580 } 1581 } 1582 1583 final boolean launchTaskBehind = r.mLaunchTaskBehind 1584 && !launchSingleTask && !launchSingleInstance 1585 && (launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0; 1586 1587 if (r.resultTo != null && (launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 1588 // For whatever reason this activity is being launched into a new 1589 // task... yet the caller has requested a result back. Well, that 1590 // is pretty messed up, so instead immediately send back a cancel 1591 // and let the new task continue launched as normal without a 1592 // dependency on its originator. 1593 Slog.w(TAG, "Activity is launching as a new task, so cancelling activity result."); 1594 r.resultTo.task.stack.sendActivityResultLocked(-1, 1595 r.resultTo, r.resultWho, r.requestCode, 1596 Activity.RESULT_CANCELED, null); 1597 r.resultTo = null; 1598 } 1599 1600 if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && r.resultTo == null) { 1601 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1602 } 1603 1604 // If we are actually going to launch in to a new task, there are some cases where 1605 // we further want to do multiple task. 1606 if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 1607 if (launchTaskBehind 1608 || r.info.documentLaunchMode == ActivityInfo.DOCUMENT_LAUNCH_ALWAYS) { 1609 launchFlags |= Intent.FLAG_ACTIVITY_MULTIPLE_TASK; 1610 } 1611 } 1612 1613 // We'll invoke onUserLeaving before onPause only if the launching 1614 // activity did not explicitly state that this is an automated launch. 1615 mUserLeaving = (launchFlags & Intent.FLAG_ACTIVITY_NO_USER_ACTION) == 0; 1616 if (DEBUG_USER_LEAVING) Slog.v(TAG, "startActivity() => mUserLeaving=" + mUserLeaving); 1617 1618 // If the caller has asked not to resume at this point, we make note 1619 // of this in the record so that we can skip it when trying to find 1620 // the top running activity. 1621 if (!doResume) { 1622 r.delayedResume = true; 1623 } 1624 1625 ActivityRecord notTop = 1626 (launchFlags & Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP) != 0 ? r : null; 1627 1628 // If the onlyIfNeeded flag is set, then we can do this if the activity 1629 // being launched is the same as the one making the call... or, as 1630 // a special case, if we do not know the caller then we count the 1631 // current top activity as the caller. 1632 if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { 1633 ActivityRecord checkedCaller = sourceRecord; 1634 if (checkedCaller == null) { 1635 checkedCaller = getFocusedStack().topRunningNonDelayedActivityLocked(notTop); 1636 } 1637 if (!checkedCaller.realActivity.equals(r.realActivity)) { 1638 // Caller is not the same as launcher, so always needed. 1639 startFlags &= ~ActivityManager.START_FLAG_ONLY_IF_NEEDED; 1640 } 1641 } 1642 1643 if (sourceRecord == null) { 1644 // This activity is not being started from another... in this 1645 // case we -always- start a new task. 1646 if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0 && inTask == null) { 1647 Slog.w(TAG, "startActivity called from non-Activity context; forcing " + 1648 "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent); 1649 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1650 } 1651 } else if (sourceRecord.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { 1652 // The original activity who is starting us is running as a single 1653 // instance... this new activity it is starting must go on its 1654 // own task. 1655 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1656 } else if (launchSingleInstance || launchSingleTask) { 1657 // The activity being started is a single instance... it always 1658 // gets launched into its own task. 1659 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1660 } 1661 1662 ActivityInfo newTaskInfo = null; 1663 Intent newTaskIntent = null; 1664 ActivityStack sourceStack; 1665 if (sourceRecord != null) { 1666 if (sourceRecord.finishing) { 1667 // If the source is finishing, we can't further count it as our source. This 1668 // is because the task it is associated with may now be empty and on its way out, 1669 // so we don't want to blindly throw it in to that task. Instead we will take 1670 // the NEW_TASK flow and try to find a task for it. But save the task information 1671 // so it can be used when creating the new task. 1672 if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0) { 1673 Slog.w(TAG, "startActivity called from finishing " + sourceRecord 1674 + "; forcing " + "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent); 1675 launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK; 1676 newTaskInfo = sourceRecord.info; 1677 newTaskIntent = sourceRecord.task.intent; 1678 } 1679 sourceRecord = null; 1680 sourceStack = null; 1681 } else { 1682 sourceStack = sourceRecord.task.stack; 1683 } 1684 } else { 1685 sourceStack = null; 1686 } 1687 1688 boolean addingToTask = false; 1689 boolean movedHome = false; 1690 TaskRecord reuseTask = null; 1691 ActivityStack targetStack; 1692 1693 intent.setFlags(launchFlags); 1694 1695 // If the caller is not coming from another activity, but has given us an 1696 // explicit task into which they would like us to launch the new activity, 1697 // then let's see about doing that. 1698 if (sourceRecord == null && inTask != null && inTask.stack != null) { 1699 final Intent baseIntent = inTask.getBaseIntent(); 1700 final ActivityRecord root = inTask.getRootActivity(); 1701 if (baseIntent == null) { 1702 ActivityOptions.abort(options); 1703 throw new IllegalArgumentException("Launching into task without base intent: " 1704 + inTask); 1705 } 1706 1707 // If this task is empty, then we are adding the first activity -- it 1708 // determines the root, and must be launching as a NEW_TASK. 1709 if (launchSingleInstance || launchSingleTask) { 1710 if (!baseIntent.getComponent().equals(r.intent.getComponent())) { 1711 ActivityOptions.abort(options); 1712 throw new IllegalArgumentException("Trying to launch singleInstance/Task " 1713 + r + " into different task " + inTask); 1714 } 1715 if (root != null) { 1716 ActivityOptions.abort(options); 1717 throw new IllegalArgumentException("Caller with inTask " + inTask 1718 + " has root " + root + " but target is singleInstance/Task"); 1719 } 1720 } 1721 1722 // If task is empty, then adopt the interesting intent launch flags in to the 1723 // activity being started. 1724 if (root == null) { 1725 final int flagsOfInterest = Intent.FLAG_ACTIVITY_NEW_TASK 1726 | Intent.FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_NEW_DOCUMENT 1727 | Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS; 1728 launchFlags = (launchFlags&~flagsOfInterest) 1729 | (baseIntent.getFlags()&flagsOfInterest); 1730 intent.setFlags(launchFlags); 1731 inTask.setIntent(r); 1732 addingToTask = true; 1733 1734 // If the task is not empty and the caller is asking to start it as the root 1735 // of a new task, then we don't actually want to start this on the task. We 1736 // will bring the task to the front, and possibly give it a new intent. 1737 } else if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 1738 addingToTask = false; 1739 1740 } else { 1741 addingToTask = true; 1742 } 1743 1744 reuseTask = inTask; 1745 } else { 1746 inTask = null; 1747 } 1748 1749 // We may want to try to place the new activity in to an existing task. We always 1750 // do this if the target activity is singleTask or singleInstance; we will also do 1751 // this if NEW_TASK has been requested, and there is not an additional qualifier telling 1752 // us to still place it in a new task: multi task, always doc mode, or being asked to 1753 // launch this as a new task behind the current one. 1754 if (((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0 && 1755 (launchFlags & Intent.FLAG_ACTIVITY_MULTIPLE_TASK) == 0) 1756 || launchSingleInstance || launchSingleTask) { 1757 // If bring to front is requested, and no result is requested and we have not 1758 // been given an explicit task to launch in to, and 1759 // we can find a task that was started with this same 1760 // component, then instead of launching bring that one to the front. 1761 if (inTask == null && r.resultTo == null) { 1762 // See if there is a task to bring to the front. If this is 1763 // a SINGLE_INSTANCE activity, there can be one and only one 1764 // instance of it in the history, and it is always in its own 1765 // unique task, so we do a special search. 1766 ActivityRecord intentActivity = !launchSingleInstance ? 1767 findTaskLocked(r) : findActivityLocked(intent, r.info); 1768 if (intentActivity != null) { 1769 if (isLockTaskModeViolation(intentActivity.task)) { 1770 showLockTaskToast(); 1771 Slog.e(TAG, "startActivityUnchecked: Attempt to violate Lock Task Mode"); 1772 return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; 1773 } 1774 if (r.task == null) { 1775 r.task = intentActivity.task; 1776 } 1777 targetStack = intentActivity.task.stack; 1778 targetStack.mLastPausedActivity = null; 1779 if (DEBUG_TASKS) Slog.d(TAG, "Bring to front target: " + targetStack 1780 + " from " + intentActivity); 1781 targetStack.moveToFront(); 1782 if (intentActivity.task.intent == null) { 1783 // This task was started because of movement of 1784 // the activity based on affinity... now that we 1785 // are actually launching it, we can assign the 1786 // base intent. 1787 intentActivity.task.setIntent(r); 1788 } 1789 // If the target task is not in the front, then we need 1790 // to bring it to the front... except... well, with 1791 // SINGLE_TASK_LAUNCH it's not entirely clear. We'd like 1792 // to have the same behavior as if a new instance was 1793 // being started, which means not bringing it to the front 1794 // if the caller is not itself in the front. 1795 final ActivityStack lastStack = getLastStack(); 1796 ActivityRecord curTop = lastStack == null? 1797 null : lastStack.topRunningNonDelayedActivityLocked(notTop); 1798 if (curTop != null && (curTop.task != intentActivity.task || 1799 curTop.task != lastStack.topTask())) { 1800 r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); 1801 if (sourceRecord == null || (sourceStack.topActivity() != null && 1802 sourceStack.topActivity().task == sourceRecord.task)) { 1803 // We really do want to push this one into the 1804 // user's face, right now. 1805 if (launchTaskBehind && sourceRecord != null) { 1806 intentActivity.setTaskToAffiliateWith(sourceRecord.task); 1807 } 1808 movedHome = true; 1809 targetStack.moveTaskToFrontLocked(intentActivity.task, r, options); 1810 if ((launchFlags & 1811 (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) 1812 == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) { 1813 // Caller wants to appear on home activity. 1814 intentActivity.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); 1815 } 1816 options = null; 1817 } 1818 } 1819 // If the caller has requested that the target task be 1820 // reset, then do so. 1821 if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { 1822 intentActivity = targetStack.resetTaskIfNeededLocked(intentActivity, r); 1823 } 1824 if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { 1825 // We don't need to start a new activity, and 1826 // the client said not to do anything if that 1827 // is the case, so this is it! And for paranoia, make 1828 // sure we have correctly resumed the top activity. 1829 if (doResume) { 1830 resumeTopActivitiesLocked(targetStack, null, options); 1831 } else { 1832 ActivityOptions.abort(options); 1833 } 1834 return ActivityManager.START_RETURN_INTENT_TO_CALLER; 1835 } 1836 if ((launchFlags & 1837 (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TASK)) 1838 == (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_CLEAR_TASK)) { 1839 // The caller has requested to completely replace any 1840 // existing task with its new activity. Well that should 1841 // not be too hard... 1842 reuseTask = intentActivity.task; 1843 reuseTask.performClearTaskLocked(); 1844 reuseTask.setIntent(r); 1845 } else if ((launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0 1846 || launchSingleInstance || launchSingleTask) { 1847 // In this situation we want to remove all activities 1848 // from the task up to the one being started. In most 1849 // cases this means we are resetting the task to its 1850 // initial state. 1851 ActivityRecord top = 1852 intentActivity.task.performClearTaskLocked(r, launchFlags); 1853 if (top != null) { 1854 if (top.frontOfTask) { 1855 // Activity aliases may mean we use different 1856 // intents for the top activity, so make sure 1857 // the task now has the identity of the new 1858 // intent. 1859 top.task.setIntent(r); 1860 } 1861 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, 1862 r, top.task); 1863 top.deliverNewIntentLocked(callingUid, r.intent); 1864 } else { 1865 // A special case: we need to 1866 // start the activity because it is not currently 1867 // running, and the caller has asked to clear the 1868 // current task to have this activity at the top. 1869 addingToTask = true; 1870 // Now pretend like this activity is being started 1871 // by the top of its task, so it is put in the 1872 // right place. 1873 sourceRecord = intentActivity; 1874 } 1875 } else if (r.realActivity.equals(intentActivity.task.realActivity)) { 1876 // In this case the top activity on the task is the 1877 // same as the one being launched, so we take that 1878 // as a request to bring the task to the foreground. 1879 // If the top activity in the task is the root 1880 // activity, deliver this new intent to it if it 1881 // desires. 1882 if (((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 || launchSingleTop) 1883 && intentActivity.realActivity.equals(r.realActivity)) { 1884 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, 1885 intentActivity.task); 1886 if (intentActivity.frontOfTask) { 1887 intentActivity.task.setIntent(r); 1888 } 1889 intentActivity.deliverNewIntentLocked(callingUid, r.intent); 1890 } else if (!r.intent.filterEquals(intentActivity.task.intent)) { 1891 // In this case we are launching the root activity 1892 // of the task, but with a different intent. We 1893 // should start a new instance on top. 1894 addingToTask = true; 1895 sourceRecord = intentActivity; 1896 } 1897 } else if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) == 0) { 1898 // In this case an activity is being launched in to an 1899 // existing task, without resetting that task. This 1900 // is typically the situation of launching an activity 1901 // from a notification or shortcut. We want to place 1902 // the new activity on top of the current task. 1903 addingToTask = true; 1904 sourceRecord = intentActivity; 1905 } else if (!intentActivity.task.rootWasReset) { 1906 // In this case we are launching in to an existing task 1907 // that has not yet been started from its front door. 1908 // The current task has been brought to the front. 1909 // Ideally, we'd probably like to place this new task 1910 // at the bottom of its stack, but that's a little hard 1911 // to do with the current organization of the code so 1912 // for now we'll just drop it. 1913 intentActivity.task.setIntent(r); 1914 } 1915 if (!addingToTask && reuseTask == null) { 1916 // We didn't do anything... but it was needed (a.k.a., client 1917 // don't use that intent!) And for paranoia, make 1918 // sure we have correctly resumed the top activity. 1919 if (doResume) { 1920 targetStack.resumeTopActivityLocked(null, options); 1921 } else { 1922 ActivityOptions.abort(options); 1923 } 1924 return ActivityManager.START_TASK_TO_FRONT; 1925 } 1926 } 1927 } 1928 } 1929 1930 //String uri = r.intent.toURI(); 1931 //Intent intent2 = new Intent(uri); 1932 //Slog.i(TAG, "Given intent: " + r.intent); 1933 //Slog.i(TAG, "URI is: " + uri); 1934 //Slog.i(TAG, "To intent: " + intent2); 1935 1936 if (r.packageName != null) { 1937 // If the activity being launched is the same as the one currently 1938 // at the top, then we need to check if it should only be launched 1939 // once. 1940 ActivityStack topStack = getFocusedStack(); 1941 ActivityRecord top = topStack.topRunningNonDelayedActivityLocked(notTop); 1942 if (top != null && r.resultTo == null) { 1943 if (top.realActivity.equals(r.realActivity) && top.userId == r.userId) { 1944 if (top.app != null && top.app.thread != null) { 1945 if ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 1946 || launchSingleTop || launchSingleTask) { 1947 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, 1948 top.task); 1949 // For paranoia, make sure we have correctly 1950 // resumed the top activity. 1951 topStack.mLastPausedActivity = null; 1952 if (doResume) { 1953 resumeTopActivitiesLocked(); 1954 } 1955 ActivityOptions.abort(options); 1956 if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { 1957 // We don't need to start a new activity, and 1958 // the client said not to do anything if that 1959 // is the case, so this is it! 1960 return ActivityManager.START_RETURN_INTENT_TO_CALLER; 1961 } 1962 top.deliverNewIntentLocked(callingUid, r.intent); 1963 return ActivityManager.START_DELIVERED_TO_TOP; 1964 } 1965 } 1966 } 1967 } 1968 1969 } else { 1970 if (r.resultTo != null) { 1971 r.resultTo.task.stack.sendActivityResultLocked(-1, r.resultTo, r.resultWho, 1972 r.requestCode, Activity.RESULT_CANCELED, null); 1973 } 1974 ActivityOptions.abort(options); 1975 return ActivityManager.START_CLASS_NOT_FOUND; 1976 } 1977 1978 boolean newTask = false; 1979 boolean keepCurTransition = false; 1980 1981 TaskRecord taskToAffiliate = launchTaskBehind && sourceRecord != null ? 1982 sourceRecord.task : null; 1983 1984 // Should this be considered a new task? 1985 if (r.resultTo == null && inTask == null && !addingToTask 1986 && (launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) { 1987 if (isLockTaskModeViolation(reuseTask)) { 1988 Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); 1989 return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; 1990 } 1991 newTask = true; 1992 targetStack = adjustStackFocus(r, newTask); 1993 if (!launchTaskBehind) { 1994 targetStack.moveToFront(); 1995 } 1996 if (reuseTask == null) { 1997 r.setTask(targetStack.createTaskRecord(getNextTaskId(), 1998 newTaskInfo != null ? newTaskInfo : r.info, 1999 newTaskIntent != null ? newTaskIntent : intent, 2000 voiceSession, voiceInteractor, !launchTaskBehind /* toTop */), 2001 taskToAffiliate); 2002 if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r + " in new task " + 2003 r.task); 2004 } else { 2005 r.setTask(reuseTask, taskToAffiliate); 2006 } 2007 if (!movedHome) { 2008 if ((launchFlags & 2009 (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) 2010 == (Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) { 2011 // Caller wants to appear on home activity, so before starting 2012 // their own activity we will bring home to the front. 2013 r.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); 2014 } 2015 } 2016 } else if (sourceRecord != null) { 2017 final TaskRecord sourceTask = sourceRecord.task; 2018 if (isLockTaskModeViolation(sourceTask)) { 2019 Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); 2020 return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; 2021 } 2022 targetStack = sourceTask.stack; 2023 targetStack.moveToFront(); 2024 mWindowManager.moveTaskToTop(targetStack.topTask().taskId); 2025 if (!addingToTask && (launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) { 2026 // In this case, we are adding the activity to an existing 2027 // task, but the caller has asked to clear that task if the 2028 // activity is already running. 2029 ActivityRecord top = sourceTask.performClearTaskLocked(r, launchFlags); 2030 keepCurTransition = true; 2031 if (top != null) { 2032 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task); 2033 top.deliverNewIntentLocked(callingUid, r.intent); 2034 // For paranoia, make sure we have correctly 2035 // resumed the top activity. 2036 targetStack.mLastPausedActivity = null; 2037 if (doResume) { 2038 targetStack.resumeTopActivityLocked(null); 2039 } 2040 ActivityOptions.abort(options); 2041 return ActivityManager.START_DELIVERED_TO_TOP; 2042 } 2043 } else if (!addingToTask && 2044 (launchFlags&Intent.FLAG_ACTIVITY_REORDER_TO_FRONT) != 0) { 2045 // In this case, we are launching an activity in our own task 2046 // that may already be running somewhere in the history, and 2047 // we want to shuffle it to the front of the stack if so. 2048 final ActivityRecord top = sourceTask.findActivityInHistoryLocked(r); 2049 if (top != null) { 2050 final TaskRecord task = top.task; 2051 task.moveActivityToFrontLocked(top); 2052 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, task); 2053 top.updateOptionsLocked(options); 2054 top.deliverNewIntentLocked(callingUid, r.intent); 2055 targetStack.mLastPausedActivity = null; 2056 if (doResume) { 2057 targetStack.resumeTopActivityLocked(null); 2058 } 2059 return ActivityManager.START_DELIVERED_TO_TOP; 2060 } 2061 } 2062 // An existing activity is starting this new activity, so we want 2063 // to keep the new one in the same task as the one that is starting 2064 // it. 2065 r.setTask(sourceTask, null); 2066 if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r 2067 + " in existing task " + r.task + " from source " + sourceRecord); 2068 2069 } else if (inTask != null) { 2070 // The calling is asking that the new activity be started in an explicit 2071 // task it has provided to us. 2072 if (isLockTaskModeViolation(inTask)) { 2073 Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); 2074 return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; 2075 } 2076 targetStack = inTask.stack; 2077 targetStack.moveTaskToFrontLocked(inTask, r, options); 2078 targetStack.moveToFront(); 2079 mWindowManager.moveTaskToTop(inTask.taskId); 2080 2081 // Check whether we should actually launch the new activity in to the task, 2082 // or just reuse the current activity on top. 2083 ActivityRecord top = inTask.getTopActivity(); 2084 if (top != null && top.realActivity.equals(r.realActivity) && top.userId == r.userId) { 2085 if ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 2086 || launchSingleTop || launchSingleTask) { 2087 ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, top.task); 2088 if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { 2089 // We don't need to start a new activity, and 2090 // the client said not to do anything if that 2091 // is the case, so this is it! 2092 return ActivityManager.START_RETURN_INTENT_TO_CALLER; 2093 } 2094 top.deliverNewIntentLocked(callingUid, r.intent); 2095 return ActivityManager.START_DELIVERED_TO_TOP; 2096 } 2097 } 2098 2099 if (!addingToTask) { 2100 // We don't actually want to have this activity added to the task, so just 2101 // stop here but still tell the caller that we consumed the intent. 2102 ActivityOptions.abort(options); 2103 return ActivityManager.START_TASK_TO_FRONT; 2104 } 2105 2106 r.setTask(inTask, null); 2107 if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r 2108 + " in explicit task " + r.task); 2109 2110 } else { 2111 // This not being started from an existing activity, and not part 2112 // of a new task... just put it in the top task, though these days 2113 // this case should never happen. 2114 targetStack = adjustStackFocus(r, newTask); 2115 targetStack.moveToFront(); 2116 ActivityRecord prev = targetStack.topActivity(); 2117 r.setTask(prev != null ? prev.task : targetStack.createTaskRecord(getNextTaskId(), 2118 r.info, intent, null, null, true), null); 2119 mWindowManager.moveTaskToTop(r.task.taskId); 2120 if (DEBUG_TASKS) Slog.v(TAG, "Starting new activity " + r 2121 + " in new guessed " + r.task); 2122 } 2123 2124 mService.grantUriPermissionFromIntentLocked(callingUid, r.packageName, 2125 intent, r.getUriPermissionsLocked(), r.userId); 2126 2127 if (sourceRecord != null && sourceRecord.isRecentsActivity()) { 2128 r.task.setTaskToReturnTo(RECENTS_ACTIVITY_TYPE); 2129 } 2130 if (newTask) { 2131 EventLog.writeEvent(EventLogTags.AM_CREATE_TASK, r.userId, r.task.taskId); 2132 } 2133 ActivityStack.logStartActivity(EventLogTags.AM_CREATE_ACTIVITY, r, r.task); 2134 targetStack.mLastPausedActivity = null; 2135 targetStack.startActivityLocked(r, newTask, doResume, keepCurTransition, options); 2136 if (!launchTaskBehind) { 2137 // Don't set focus on an activity that's going to the back. 2138 mService.setFocusedActivityLocked(r); 2139 } 2140 return ActivityManager.START_SUCCESS; 2141 } 2142 2143 final void doPendingActivityLaunchesLocked(boolean doResume) { 2144 while (!mPendingActivityLaunches.isEmpty()) { 2145 PendingActivityLaunch pal = mPendingActivityLaunches.remove(0); 2146 startActivityUncheckedLocked(pal.r, pal.sourceRecord, null, null, pal.startFlags, 2147 doResume && mPendingActivityLaunches.isEmpty(), null, null); 2148 } 2149 } 2150 2151 void removePendingActivityLaunchesLocked(ActivityStack stack) { 2152 for (int palNdx = mPendingActivityLaunches.size() - 1; palNdx >= 0; --palNdx) { 2153 PendingActivityLaunch pal = mPendingActivityLaunches.get(palNdx); 2154 if (pal.stack == stack) { 2155 mPendingActivityLaunches.remove(palNdx); 2156 } 2157 } 2158 } 2159 2160 void acquireLaunchWakelock() { 2161 if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) { 2162 throw new IllegalStateException("Calling must be system uid"); 2163 } 2164 mLaunchingActivity.acquire(); 2165 if (!mHandler.hasMessages(LAUNCH_TIMEOUT_MSG)) { 2166 // To be safe, don't allow the wake lock to be held for too long. 2167 mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT); 2168 } 2169 } 2170 2171 // Checked. 2172 final ActivityRecord activityIdleInternalLocked(final IBinder token, boolean fromTimeout, 2173 Configuration config) { 2174 if (localLOGV) Slog.v(TAG, "Activity idle: " + token); 2175 2176 ArrayList<ActivityRecord> stops = null; 2177 ArrayList<ActivityRecord> finishes = null; 2178 ArrayList<UserStartedState> startingUsers = null; 2179 int NS = 0; 2180 int NF = 0; 2181 boolean booting = false; 2182 boolean enableScreen = false; 2183 boolean activityRemoved = false; 2184 2185 ActivityRecord r = ActivityRecord.forToken(token); 2186 if (r != null) { 2187 if (DEBUG_IDLE) Slog.d(TAG, "activityIdleInternalLocked: Callers=" + 2188 Debug.getCallers(4)); 2189 mHandler.removeMessages(IDLE_TIMEOUT_MSG, r); 2190 r.finishLaunchTickingLocked(); 2191 if (fromTimeout) { 2192 reportActivityLaunchedLocked(fromTimeout, r, -1, -1); 2193 } 2194 2195 // This is a hack to semi-deal with a race condition 2196 // in the client where it can be constructed with a 2197 // newer configuration from when we asked it to launch. 2198 // We'll update with whatever configuration it now says 2199 // it used to launch. 2200 if (config != null) { 2201 r.configuration = config; 2202 } 2203 2204 // We are now idle. If someone is waiting for a thumbnail from 2205 // us, we can now deliver. 2206 r.idle = true; 2207 2208 //Slog.i(TAG, "IDLE: mBooted=" + mBooted + ", fromTimeout=" + fromTimeout); 2209 if (!mService.mBooted && isFrontStack(r.task.stack)) { 2210 mService.mBooted = true; 2211 enableScreen = true; 2212 } 2213 } 2214 2215 if (allResumedActivitiesIdle()) { 2216 if (r != null) { 2217 mService.scheduleAppGcsLocked(); 2218 } 2219 2220 if (mLaunchingActivity.isHeld()) { 2221 mHandler.removeMessages(LAUNCH_TIMEOUT_MSG); 2222 if (VALIDATE_WAKE_LOCK_CALLER && 2223 Binder.getCallingUid() != Process.myUid()) { 2224 throw new IllegalStateException("Calling must be system uid"); 2225 } 2226 mLaunchingActivity.release(); 2227 } 2228 ensureActivitiesVisibleLocked(null, 0); 2229 } 2230 2231 // Atomically retrieve all of the other things to do. 2232 stops = processStoppingActivitiesLocked(true); 2233 NS = stops != null ? stops.size() : 0; 2234 if ((NF=mFinishingActivities.size()) > 0) { 2235 finishes = new ArrayList<ActivityRecord>(mFinishingActivities); 2236 mFinishingActivities.clear(); 2237 } 2238 2239 booting = mService.mBooting; 2240 mService.mBooting = false; 2241 2242 if (mStartingUsers.size() > 0) { 2243 startingUsers = new ArrayList<UserStartedState>(mStartingUsers); 2244 mStartingUsers.clear(); 2245 } 2246 2247 // Stop any activities that are scheduled to do so but have been 2248 // waiting for the next one to start. 2249 for (int i = 0; i < NS; i++) { 2250 r = stops.get(i); 2251 final ActivityStack stack = r.task.stack; 2252 if (r.finishing) { 2253 stack.finishCurrentActivityLocked(r, ActivityStack.FINISH_IMMEDIATELY, false); 2254 } else { 2255 stack.stopActivityLocked(r); 2256 } 2257 } 2258 2259 // Finish any activities that are scheduled to do so but have been 2260 // waiting for the next one to start. 2261 for (int i = 0; i < NF; i++) { 2262 r = finishes.get(i); 2263 activityRemoved |= r.task.stack.destroyActivityLocked(r, true, "finish-idle"); 2264 } 2265 2266 if (booting) { 2267 mService.finishBooting(); 2268 } else { 2269 // Complete user switch 2270 if (startingUsers != null) { 2271 for (int i = 0; i < startingUsers.size(); i++) { 2272 mService.finishUserSwitch(startingUsers.get(i)); 2273 } 2274 } 2275 // Complete starting up of background users 2276 if (mStartingBackgroundUsers.size() > 0) { 2277 startingUsers = new ArrayList<UserStartedState>(mStartingBackgroundUsers); 2278 mStartingBackgroundUsers.clear(); 2279 for (int i = 0; i < startingUsers.size(); i++) { 2280 mService.finishUserBoot(startingUsers.get(i)); 2281 } 2282 } 2283 } 2284 2285 mService.trimApplications(); 2286 //dump(); 2287 //mWindowManager.dump(); 2288 2289 if (enableScreen) { 2290 mService.postEnableScreenAfterBootLocked(); 2291 } 2292 2293 if (activityRemoved) { 2294 resumeTopActivitiesLocked(); 2295 } 2296 2297 return r; 2298 } 2299 2300 boolean handleAppDiedLocked(ProcessRecord app) { 2301 boolean hasVisibleActivities = false; 2302 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2303 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2304 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2305 hasVisibleActivities |= stacks.get(stackNdx).handleAppDiedLocked(app); 2306 } 2307 } 2308 return hasVisibleActivities; 2309 } 2310 2311 void closeSystemDialogsLocked() { 2312 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2313 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2314 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2315 stacks.get(stackNdx).closeSystemDialogsLocked(); 2316 } 2317 } 2318 } 2319 2320 void removeUserLocked(int userId) { 2321 mUserStackInFront.delete(userId); 2322 } 2323 2324 /** 2325 * @return true if some activity was finished (or would have finished if doit were true). 2326 */ 2327 boolean forceStopPackageLocked(String name, boolean doit, boolean evenPersistent, int userId) { 2328 boolean didSomething = false; 2329 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2330 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2331 final int numStacks = stacks.size(); 2332 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2333 final ActivityStack stack = stacks.get(stackNdx); 2334 if (stack.forceStopPackageLocked(name, doit, evenPersistent, userId)) { 2335 didSomething = true; 2336 } 2337 } 2338 } 2339 return didSomething; 2340 } 2341 2342 void updatePreviousProcessLocked(ActivityRecord r) { 2343 // Now that this process has stopped, we may want to consider 2344 // it to be the previous app to try to keep around in case 2345 // the user wants to return to it. 2346 2347 // First, found out what is currently the foreground app, so that 2348 // we don't blow away the previous app if this activity is being 2349 // hosted by the process that is actually still the foreground. 2350 ProcessRecord fgApp = null; 2351 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2352 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2353 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2354 final ActivityStack stack = stacks.get(stackNdx); 2355 if (isFrontStack(stack)) { 2356 if (stack.mResumedActivity != null) { 2357 fgApp = stack.mResumedActivity.app; 2358 } else if (stack.mPausingActivity != null) { 2359 fgApp = stack.mPausingActivity.app; 2360 } 2361 break; 2362 } 2363 } 2364 } 2365 2366 // Now set this one as the previous process, only if that really 2367 // makes sense to. 2368 if (r.app != null && fgApp != null && r.app != fgApp 2369 && r.lastVisibleTime > mService.mPreviousProcessVisibleTime 2370 && r.app != mService.mHomeProcess) { 2371 mService.mPreviousProcess = r.app; 2372 mService.mPreviousProcessVisibleTime = r.lastVisibleTime; 2373 } 2374 } 2375 2376 boolean resumeTopActivitiesLocked() { 2377 return resumeTopActivitiesLocked(null, null, null); 2378 } 2379 2380 boolean resumeTopActivitiesLocked(ActivityStack targetStack, ActivityRecord target, 2381 Bundle targetOptions) { 2382 if (targetStack == null) { 2383 targetStack = getFocusedStack(); 2384 } 2385 // Do targetStack first. 2386 boolean result = false; 2387 if (isFrontStack(targetStack)) { 2388 result = targetStack.resumeTopActivityLocked(target, targetOptions); 2389 } 2390 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2391 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2392 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2393 final ActivityStack stack = stacks.get(stackNdx); 2394 if (stack == targetStack) { 2395 // Already started above. 2396 continue; 2397 } 2398 if (isFrontStack(stack)) { 2399 stack.resumeTopActivityLocked(null); 2400 } 2401 } 2402 } 2403 return result; 2404 } 2405 2406 void finishTopRunningActivityLocked(ProcessRecord app) { 2407 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2408 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2409 final int numStacks = stacks.size(); 2410 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2411 final ActivityStack stack = stacks.get(stackNdx); 2412 stack.finishTopRunningActivityLocked(app); 2413 } 2414 } 2415 } 2416 2417 void finishVoiceTask(IVoiceInteractionSession session) { 2418 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2419 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2420 final int numStacks = stacks.size(); 2421 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2422 final ActivityStack stack = stacks.get(stackNdx); 2423 stack.finishVoiceTask(session); 2424 } 2425 } 2426 } 2427 2428 void findTaskToMoveToFrontLocked(TaskRecord task, int flags, Bundle options) { 2429 if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) { 2430 mUserLeaving = true; 2431 } 2432 if ((flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0) { 2433 // Caller wants the home activity moved with it. To accomplish this, 2434 // we'll just indicate that this task returns to the home task. 2435 task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); 2436 } 2437 task.stack.moveTaskToFrontLocked(task, null, options); 2438 if (DEBUG_STACK) Slog.d(TAG, "findTaskToMoveToFront: moved to front of stack=" 2439 + task.stack); 2440 } 2441 2442 ActivityStack getStack(int stackId) { 2443 ActivityContainer activityContainer = mActivityContainers.get(stackId); 2444 if (activityContainer != null) { 2445 return activityContainer.mStack; 2446 } 2447 return null; 2448 } 2449 2450 ArrayList<ActivityStack> getStacks() { 2451 ArrayList<ActivityStack> allStacks = new ArrayList<ActivityStack>(); 2452 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2453 allStacks.addAll(mActivityDisplays.valueAt(displayNdx).mStacks); 2454 } 2455 return allStacks; 2456 } 2457 2458 IBinder getHomeActivityToken() { 2459 ActivityRecord homeActivity = getHomeActivity(); 2460 if (homeActivity != null) { 2461 return homeActivity.appToken; 2462 } 2463 return null; 2464 } 2465 2466 ActivityRecord getHomeActivity() { 2467 final ArrayList<TaskRecord> tasks = mHomeStack.getAllTasks(); 2468 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 2469 final TaskRecord task = tasks.get(taskNdx); 2470 if (task.isHomeTask()) { 2471 final ArrayList<ActivityRecord> activities = task.mActivities; 2472 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 2473 final ActivityRecord r = activities.get(activityNdx); 2474 if (r.isHomeActivity()) { 2475 return r; 2476 } 2477 } 2478 } 2479 } 2480 return null; 2481 } 2482 2483 ActivityContainer createActivityContainer(ActivityRecord parentActivity, 2484 IActivityContainerCallback callback) { 2485 ActivityContainer activityContainer = 2486 new VirtualActivityContainer(parentActivity, callback); 2487 mActivityContainers.put(activityContainer.mStackId, activityContainer); 2488 if (DEBUG_CONTAINERS) Slog.d(TAG, "createActivityContainer: " + activityContainer); 2489 parentActivity.mChildContainers.add(activityContainer); 2490 return activityContainer; 2491 } 2492 2493 void removeChildActivityContainers(ActivityRecord parentActivity) { 2494 final ArrayList<ActivityContainer> childStacks = parentActivity.mChildContainers; 2495 for (int containerNdx = childStacks.size() - 1; containerNdx >= 0; --containerNdx) { 2496 ActivityContainer container = childStacks.remove(containerNdx); 2497 if (DEBUG_CONTAINERS) Slog.d(TAG, "removeChildActivityContainers: removing " + 2498 container); 2499 container.release(); 2500 } 2501 } 2502 2503 void deleteActivityContainer(IActivityContainer container) { 2504 ActivityContainer activityContainer = (ActivityContainer)container; 2505 if (activityContainer != null) { 2506 if (DEBUG_CONTAINERS) Slog.d(TAG, "deleteActivityContainer: ", 2507 new RuntimeException("here").fillInStackTrace()); 2508 final int stackId = activityContainer.mStackId; 2509 mActivityContainers.remove(stackId); 2510 mWindowManager.removeStack(stackId); 2511 } 2512 } 2513 2514 private int createStackOnDisplay(int stackId, int displayId) { 2515 ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); 2516 if (activityDisplay == null) { 2517 return -1; 2518 } 2519 2520 ActivityContainer activityContainer = new ActivityContainer(stackId); 2521 mActivityContainers.put(stackId, activityContainer); 2522 activityContainer.attachToDisplayLocked(activityDisplay); 2523 return stackId; 2524 } 2525 2526 int getNextStackId() { 2527 while (true) { 2528 if (++mLastStackId <= HOME_STACK_ID) { 2529 mLastStackId = HOME_STACK_ID + 1; 2530 } 2531 if (getStack(mLastStackId) == null) { 2532 break; 2533 } 2534 } 2535 return mLastStackId; 2536 } 2537 2538 void createStackForRestoredTaskHistory(ArrayList<TaskRecord> tasks) { 2539 int stackId = createStackOnDisplay(getNextStackId(), Display.DEFAULT_DISPLAY); 2540 final ActivityStack stack = getStack(stackId); 2541 for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) { 2542 final TaskRecord task = tasks.get(taskNdx); 2543 stack.addTask(task, false, false); 2544 final int taskId = task.taskId; 2545 final ArrayList<ActivityRecord> activities = task.mActivities; 2546 for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) { 2547 final ActivityRecord r = activities.get(activityNdx); 2548 mWindowManager.addAppToken(0, r.appToken, taskId, stackId, 2549 r.info.screenOrientation, r.fullscreen, 2550 (r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0, 2551 r.userId, r.info.configChanges, task.voiceSession != null, 2552 r.mLaunchTaskBehind); 2553 } 2554 } 2555 resumeHomeStackTask(HOME_ACTIVITY_TYPE, null); 2556 } 2557 2558 void moveTaskToStack(int taskId, int stackId, boolean toTop) { 2559 final TaskRecord task = anyTaskForIdLocked(taskId); 2560 if (task == null) { 2561 return; 2562 } 2563 final ActivityStack stack = getStack(stackId); 2564 if (stack == null) { 2565 Slog.w(TAG, "moveTaskToStack: no stack for id=" + stackId); 2566 return; 2567 } 2568 task.stack.removeTask(task); 2569 stack.addTask(task, toTop, true); 2570 mWindowManager.addTask(taskId, stackId, toTop); 2571 resumeTopActivitiesLocked(); 2572 } 2573 2574 ActivityRecord findTaskLocked(ActivityRecord r) { 2575 if (DEBUG_TASKS) Slog.d(TAG, "Looking for task of " + r); 2576 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2577 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2578 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2579 final ActivityStack stack = stacks.get(stackNdx); 2580 if (!r.isApplicationActivity() && !stack.isHomeStack()) { 2581 if (DEBUG_TASKS) Slog.d(TAG, "Skipping stack: (home activity) " + stack); 2582 continue; 2583 } 2584 if (!stack.mActivityContainer.isEligibleForNewTasks()) { 2585 if (DEBUG_TASKS) Slog.d(TAG, "Skipping stack: (new task not allowed) " + 2586 stack); 2587 continue; 2588 } 2589 final ActivityRecord ar = stack.findTaskLocked(r); 2590 if (ar != null) { 2591 return ar; 2592 } 2593 } 2594 } 2595 if (DEBUG_TASKS) Slog.d(TAG, "No task found"); 2596 return null; 2597 } 2598 2599 ActivityRecord findActivityLocked(Intent intent, ActivityInfo info) { 2600 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2601 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2602 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2603 final ActivityRecord ar = stacks.get(stackNdx).findActivityLocked(intent, info); 2604 if (ar != null) { 2605 return ar; 2606 } 2607 } 2608 } 2609 return null; 2610 } 2611 2612 void goingToSleepLocked() { 2613 scheduleSleepTimeout(); 2614 if (!mGoingToSleep.isHeld()) { 2615 mGoingToSleep.acquire(); 2616 if (mLaunchingActivity.isHeld()) { 2617 if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) { 2618 throw new IllegalStateException("Calling must be system uid"); 2619 } 2620 mLaunchingActivity.release(); 2621 mService.mHandler.removeMessages(LAUNCH_TIMEOUT_MSG); 2622 } 2623 } 2624 checkReadyForSleepLocked(); 2625 } 2626 2627 boolean shutdownLocked(int timeout) { 2628 goingToSleepLocked(); 2629 2630 boolean timedout = false; 2631 final long endTime = System.currentTimeMillis() + timeout; 2632 while (true) { 2633 boolean cantShutdown = false; 2634 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2635 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2636 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2637 cantShutdown |= stacks.get(stackNdx).checkReadyForSleepLocked(); 2638 } 2639 } 2640 if (cantShutdown) { 2641 long timeRemaining = endTime - System.currentTimeMillis(); 2642 if (timeRemaining > 0) { 2643 try { 2644 mService.wait(timeRemaining); 2645 } catch (InterruptedException e) { 2646 } 2647 } else { 2648 Slog.w(TAG, "Activity manager shutdown timed out"); 2649 timedout = true; 2650 break; 2651 } 2652 } else { 2653 break; 2654 } 2655 } 2656 2657 // Force checkReadyForSleep to complete. 2658 mSleepTimeout = true; 2659 checkReadyForSleepLocked(); 2660 2661 return timedout; 2662 } 2663 2664 void comeOutOfSleepIfNeededLocked() { 2665 removeSleepTimeouts(); 2666 if (mGoingToSleep.isHeld()) { 2667 mGoingToSleep.release(); 2668 } 2669 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2670 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2671 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2672 final ActivityStack stack = stacks.get(stackNdx); 2673 stack.awakeFromSleepingLocked(); 2674 if (isFrontStack(stack)) { 2675 resumeTopActivitiesLocked(); 2676 } 2677 } 2678 } 2679 mGoingToSleepActivities.clear(); 2680 } 2681 2682 void activitySleptLocked(ActivityRecord r) { 2683 mGoingToSleepActivities.remove(r); 2684 checkReadyForSleepLocked(); 2685 } 2686 2687 void checkReadyForSleepLocked() { 2688 if (!mService.isSleepingOrShuttingDown()) { 2689 // Do not care. 2690 return; 2691 } 2692 2693 if (!mSleepTimeout) { 2694 boolean dontSleep = false; 2695 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2696 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2697 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2698 dontSleep |= stacks.get(stackNdx).checkReadyForSleepLocked(); 2699 } 2700 } 2701 2702 if (mStoppingActivities.size() > 0) { 2703 // Still need to tell some activities to stop; can't sleep yet. 2704 if (DEBUG_PAUSE) Slog.v(TAG, "Sleep still need to stop " 2705 + mStoppingActivities.size() + " activities"); 2706 scheduleIdleLocked(); 2707 dontSleep = true; 2708 } 2709 2710 if (mGoingToSleepActivities.size() > 0) { 2711 // Still need to tell some activities to sleep; can't sleep yet. 2712 if (DEBUG_PAUSE) Slog.v(TAG, "Sleep still need to sleep " 2713 + mGoingToSleepActivities.size() + " activities"); 2714 dontSleep = true; 2715 } 2716 2717 if (dontSleep) { 2718 return; 2719 } 2720 } 2721 2722 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2723 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2724 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2725 stacks.get(stackNdx).goToSleep(); 2726 } 2727 } 2728 2729 removeSleepTimeouts(); 2730 2731 if (mGoingToSleep.isHeld()) { 2732 mGoingToSleep.release(); 2733 } 2734 if (mService.mShuttingDown) { 2735 mService.notifyAll(); 2736 } 2737 } 2738 2739 boolean reportResumedActivityLocked(ActivityRecord r) { 2740 final ActivityStack stack = r.task.stack; 2741 if (isFrontStack(stack)) { 2742 mService.updateUsageStats(r, true); 2743 } 2744 if (allResumedActivitiesComplete()) { 2745 ensureActivitiesVisibleLocked(null, 0); 2746 mWindowManager.executeAppTransition(); 2747 return true; 2748 } 2749 return false; 2750 } 2751 2752 void handleAppCrashLocked(ProcessRecord app) { 2753 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2754 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2755 final int numStacks = stacks.size(); 2756 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2757 final ActivityStack stack = stacks.get(stackNdx); 2758 stack.handleAppCrashLocked(app); 2759 } 2760 } 2761 } 2762 2763 boolean requestVisibleBehindLocked(ActivityRecord r, boolean visible) { 2764 final ActivityStack stack = r.task.stack; 2765 if (stack == null) { 2766 if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG, "requestVisibleBehind: r=" + r + " visible=" + 2767 visible + " stack is null"); 2768 return false; 2769 } 2770 final boolean isVisible = stack.hasVisibleBehindActivity(); 2771 if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG, "requestVisibleBehind r=" + r + " visible=" + 2772 visible + " isVisible=" + isVisible); 2773 2774 final ActivityRecord top = topRunningActivityLocked(); 2775 if (top == null || top == r || (visible == isVisible)) { 2776 if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG, "requestVisibleBehind: quick return"); 2777 stack.setVisibleBehindActivity(visible ? r : null); 2778 return true; 2779 } 2780 2781 // A non-top activity is reporting a visibility change. 2782 if ((visible && (top.fullscreen || top.state != ActivityState.RESUMED)) || 2783 top.app == null || top.app.thread == null) { 2784 // Can't carry out this request. 2785 if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG, "requestVisibleBehind: returning top.fullscreen=" 2786 + top.fullscreen + " top.state=" + top.state + " top.app=" + top.app + 2787 " top.app.thread=" + top.app.thread); 2788 return false; 2789 } else if (!visible && stack.getVisibleBehindActivity() != r) { 2790 // Only the activity set as currently visible behind should actively reset its 2791 // visible behind state. 2792 if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG, "requestVisibleBehind: returning visible=" 2793 + visible + " stack.getVisibleBehindActivity()=" + 2794 stack.getVisibleBehindActivity() + " r=" + r); 2795 return false; 2796 } 2797 2798 stack.setVisibleBehindActivity(visible ? r : null); 2799 if (!visible) { 2800 // Make the activity immediately above r opaque. 2801 final ActivityRecord next = stack.findNextTranslucentActivity(r); 2802 if (next != null) { 2803 mService.convertFromTranslucent(next.appToken); 2804 } 2805 } 2806 try { 2807 top.app.thread.scheduleBackgroundVisibleBehindChanged(top.appToken, visible); 2808 } catch (RemoteException e) { 2809 } 2810 return true; 2811 } 2812 2813 // Called when WindowManager has finished animating the launchingBehind activity to the back. 2814 void handleLaunchTaskBehindCompleteLocked(ActivityRecord r) { 2815 r.mLaunchTaskBehind = false; 2816 final TaskRecord task = r.task; 2817 task.setLastThumbnail(task.stack.screenshotActivities(r)); 2818 mService.addRecentTaskLocked(task); 2819 mWindowManager.setAppVisibility(r.appToken, false); 2820 } 2821 2822 void scheduleLaunchTaskBehindComplete(IBinder token) { 2823 mHandler.obtainMessage(LAUNCH_TASK_BEHIND_COMPLETE, token).sendToTarget(); 2824 } 2825 2826 void ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges) { 2827 // First the front stacks. In case any are not fullscreen and are in front of home. 2828 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2829 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2830 final int topStackNdx = stacks.size() - 1; 2831 for (int stackNdx = topStackNdx; stackNdx >= 0; --stackNdx) { 2832 final ActivityStack stack = stacks.get(stackNdx); 2833 stack.ensureActivitiesVisibleLocked(starting, configChanges); 2834 } 2835 } 2836 } 2837 2838 void scheduleDestroyAllActivities(ProcessRecord app, String reason) { 2839 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2840 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2841 final int numStacks = stacks.size(); 2842 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 2843 final ActivityStack stack = stacks.get(stackNdx); 2844 stack.scheduleDestroyActivities(app, reason); 2845 } 2846 } 2847 } 2848 2849 void releaseSomeActivitiesLocked(ProcessRecord app, String reason) { 2850 // Examine all activities currently running in the process. 2851 TaskRecord firstTask = null; 2852 // Tasks is non-null only if two or more tasks are found. 2853 ArraySet<TaskRecord> tasks = null; 2854 if (DEBUG_RELEASE) Slog.d(TAG, "Trying to release some activities in " + app); 2855 for (int i=0; i<app.activities.size(); i++) { 2856 ActivityRecord r = app.activities.get(i); 2857 // First, if we find an activity that is in the process of being destroyed, 2858 // then we just aren't going to do anything for now; we want things to settle 2859 // down before we try to prune more activities. 2860 if (r.finishing || r.state == ActivityState.DESTROYING 2861 || r.state == ActivityState.DESTROYED) { 2862 if (DEBUG_RELEASE) Slog.d(TAG, "Abort release; already destroying: " + r); 2863 return; 2864 } 2865 // Don't consider any activies that are currently not in a state where they 2866 // can be destroyed. 2867 if (r.visible || !r.stopped || !r.haveState 2868 || r.state == ActivityState.RESUMED || r.state == ActivityState.PAUSING 2869 || r.state == ActivityState.PAUSED || r.state == ActivityState.STOPPING) { 2870 if (DEBUG_RELEASE) Slog.d(TAG, "Not releasing in-use activity: " + r); 2871 continue; 2872 } 2873 if (r.task != null) { 2874 if (DEBUG_RELEASE) Slog.d(TAG, "Collecting release task " + r.task 2875 + " from " + r); 2876 if (firstTask == null) { 2877 firstTask = r.task; 2878 } else if (firstTask != r.task) { 2879 if (tasks == null) { 2880 tasks = new ArraySet<>(); 2881 tasks.add(firstTask); 2882 } 2883 tasks.add(r.task); 2884 } 2885 } 2886 } 2887 if (tasks == null) { 2888 if (DEBUG_RELEASE) Slog.d(TAG, "Didn't find two or more tasks to release"); 2889 return; 2890 } 2891 // If we have activities in multiple tasks that are in a position to be destroyed, 2892 // let's iterate through the tasks and release the oldest one. 2893 final int numDisplays = mActivityDisplays.size(); 2894 for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) { 2895 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2896 // Step through all stacks starting from behind, to hit the oldest things first. 2897 for (int stackNdx = 0; stackNdx < stacks.size(); stackNdx++) { 2898 final ActivityStack stack = stacks.get(stackNdx); 2899 // Try to release activities in this stack; if we manage to, we are done. 2900 if (stack.releaseSomeActivitiesLocked(app, tasks, reason) > 0) { 2901 return; 2902 } 2903 } 2904 } 2905 } 2906 2907 boolean switchUserLocked(int userId, UserStartedState uss) { 2908 mUserStackInFront.put(mCurrentUser, getFocusedStack().getStackId()); 2909 final int restoreStackId = mUserStackInFront.get(userId, HOME_STACK_ID); 2910 mCurrentUser = userId; 2911 2912 mStartingUsers.add(uss); 2913 for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) { 2914 final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 2915 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2916 final ActivityStack stack = stacks.get(stackNdx); 2917 stack.switchUserLocked(userId); 2918 TaskRecord task = stack.topTask(); 2919 if (task != null) { 2920 mWindowManager.moveTaskToTop(task.taskId); 2921 } 2922 } 2923 } 2924 2925 ActivityStack stack = getStack(restoreStackId); 2926 if (stack == null) { 2927 stack = mHomeStack; 2928 } 2929 final boolean homeInFront = stack.isHomeStack(); 2930 if (stack.isOnHomeDisplay()) { 2931 moveHomeStack(homeInFront); 2932 TaskRecord task = stack.topTask(); 2933 if (task != null) { 2934 mWindowManager.moveTaskToTop(task.taskId); 2935 } 2936 } else { 2937 // Stack was moved to another display while user was swapped out. 2938 resumeHomeStackTask(HOME_ACTIVITY_TYPE, null); 2939 } 2940 return homeInFront; 2941 } 2942 2943 /** 2944 * Add background users to send boot completed events to. 2945 * @param userId The user being started in the background 2946 * @param uss The state object for the user. 2947 */ 2948 public void startBackgroundUserLocked(int userId, UserStartedState uss) { 2949 mStartingBackgroundUsers.add(uss); 2950 } 2951 2952 final ArrayList<ActivityRecord> processStoppingActivitiesLocked(boolean remove) { 2953 int N = mStoppingActivities.size(); 2954 if (N <= 0) return null; 2955 2956 ArrayList<ActivityRecord> stops = null; 2957 2958 final boolean nowVisible = allResumedActivitiesVisible(); 2959 for (int i=0; i<N; i++) { 2960 ActivityRecord s = mStoppingActivities.get(i); 2961 if (localLOGV) Slog.v(TAG, "Stopping " + s + ": nowVisible=" 2962 + nowVisible + " waitingVisible=" + s.waitingVisible 2963 + " finishing=" + s.finishing); 2964 if (s.waitingVisible && nowVisible) { 2965 mWaitingVisibleActivities.remove(s); 2966 s.waitingVisible = false; 2967 if (s.finishing) { 2968 // If this activity is finishing, it is sitting on top of 2969 // everyone else but we now know it is no longer needed... 2970 // so get rid of it. Otherwise, we need to go through the 2971 // normal flow and hide it once we determine that it is 2972 // hidden by the activities in front of it. 2973 if (localLOGV) Slog.v(TAG, "Before stopping, can hide: " + s); 2974 mWindowManager.setAppVisibility(s.appToken, false); 2975 } 2976 } 2977 if ((!s.waitingVisible || mService.isSleepingOrShuttingDown()) && remove) { 2978 if (localLOGV) Slog.v(TAG, "Ready to stop: " + s); 2979 if (stops == null) { 2980 stops = new ArrayList<ActivityRecord>(); 2981 } 2982 stops.add(s); 2983 mStoppingActivities.remove(i); 2984 N--; 2985 i--; 2986 } 2987 } 2988 2989 return stops; 2990 } 2991 2992 void validateTopActivitiesLocked() { 2993 // FIXME 2994/* for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 2995 final ActivityStack stack = stacks.get(stackNdx); 2996 final ActivityRecord r = stack.topRunningActivityLocked(null); 2997 final ActivityState state = r == null ? ActivityState.DESTROYED : r.state; 2998 if (isFrontStack(stack)) { 2999 if (r == null) { 3000 Slog.e(TAG, "validateTop...: null top activity, stack=" + stack); 3001 } else { 3002 final ActivityRecord pausing = stack.mPausingActivity; 3003 if (pausing != null && pausing == r) { 3004 Slog.e(TAG, "validateTop...: top stack has pausing activity r=" + r + 3005 " state=" + state); 3006 } 3007 if (state != ActivityState.INITIALIZING && state != ActivityState.RESUMED) { 3008 Slog.e(TAG, "validateTop...: activity in front not resumed r=" + r + 3009 " state=" + state); 3010 } 3011 } 3012 } else { 3013 final ActivityRecord resumed = stack.mResumedActivity; 3014 if (resumed != null && resumed == r) { 3015 Slog.e(TAG, "validateTop...: back stack has resumed activity r=" + r + 3016 " state=" + state); 3017 } 3018 if (r != null && (state == ActivityState.INITIALIZING 3019 || state == ActivityState.RESUMED)) { 3020 Slog.e(TAG, "validateTop...: activity in back resumed r=" + r + 3021 " state=" + state); 3022 } 3023 } 3024 } 3025*/ 3026 } 3027 3028 public void dump(PrintWriter pw, String prefix) { 3029 pw.print(prefix); pw.print("mFocusedStack=" + mFocusedStack); 3030 pw.print(" mLastFocusedStack="); pw.println(mLastFocusedStack); 3031 pw.print(prefix); pw.println("mSleepTimeout=" + mSleepTimeout); 3032 pw.print(prefix); pw.println("mCurTaskId=" + mCurTaskId); 3033 pw.print(prefix); pw.println("mUserStackInFront=" + mUserStackInFront); 3034 pw.print(prefix); pw.println("mActivityContainers=" + mActivityContainers); 3035 } 3036 3037 ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) { 3038 return getFocusedStack().getDumpActivitiesLocked(name); 3039 } 3040 3041 static boolean printThisActivity(PrintWriter pw, ActivityRecord activity, String dumpPackage, 3042 boolean needSep, String prefix) { 3043 if (activity != null) { 3044 if (dumpPackage == null || dumpPackage.equals(activity.packageName)) { 3045 if (needSep) { 3046 pw.println(); 3047 } 3048 pw.print(prefix); 3049 pw.println(activity); 3050 return true; 3051 } 3052 } 3053 return false; 3054 } 3055 3056 boolean dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll, 3057 boolean dumpClient, String dumpPackage) { 3058 boolean printed = false; 3059 boolean needSep = false; 3060 for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); ++displayNdx) { 3061 ActivityDisplay activityDisplay = mActivityDisplays.valueAt(displayNdx); 3062 pw.print("Display #"); pw.print(activityDisplay.mDisplayId); 3063 pw.println(" (activities from bottom to top):"); 3064 ArrayList<ActivityStack> stacks = activityDisplay.mStacks; 3065 final int numStacks = stacks.size(); 3066 for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) { 3067 final ActivityStack stack = stacks.get(stackNdx); 3068 StringBuilder stackHeader = new StringBuilder(128); 3069 stackHeader.append(" Stack #"); 3070 stackHeader.append(stack.mStackId); 3071 stackHeader.append(":"); 3072 printed |= stack.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, dumpPackage, 3073 needSep, stackHeader.toString()); 3074 printed |= dumpHistoryList(fd, pw, stack.mLRUActivities, " ", "Run", false, 3075 !dumpAll, false, dumpPackage, true, 3076 " Running activities (most recent first):", null); 3077 3078 needSep = printed; 3079 boolean pr = printThisActivity(pw, stack.mPausingActivity, dumpPackage, needSep, 3080 " mPausingActivity: "); 3081 if (pr) { 3082 printed = true; 3083 needSep = false; 3084 } 3085 pr = printThisActivity(pw, stack.mResumedActivity, dumpPackage, needSep, 3086 " mResumedActivity: "); 3087 if (pr) { 3088 printed = true; 3089 needSep = false; 3090 } 3091 if (dumpAll) { 3092 pr = printThisActivity(pw, stack.mLastPausedActivity, dumpPackage, needSep, 3093 " mLastPausedActivity: "); 3094 if (pr) { 3095 printed = true; 3096 needSep = true; 3097 } 3098 printed |= printThisActivity(pw, stack.mLastNoHistoryActivity, dumpPackage, 3099 needSep, " mLastNoHistoryActivity: "); 3100 } 3101 needSep = printed; 3102 } 3103 } 3104 3105 printed |= dumpHistoryList(fd, pw, mFinishingActivities, " ", "Fin", false, !dumpAll, 3106 false, dumpPackage, true, " Activities waiting to finish:", null); 3107 printed |= dumpHistoryList(fd, pw, mStoppingActivities, " ", "Stop", false, !dumpAll, 3108 false, dumpPackage, true, " Activities waiting to stop:", null); 3109 printed |= dumpHistoryList(fd, pw, mWaitingVisibleActivities, " ", "Wait", false, !dumpAll, 3110 false, dumpPackage, true, " Activities waiting for another to become visible:", 3111 null); 3112 printed |= dumpHistoryList(fd, pw, mGoingToSleepActivities, " ", "Sleep", false, !dumpAll, 3113 false, dumpPackage, true, " Activities waiting to sleep:", null); 3114 printed |= dumpHistoryList(fd, pw, mGoingToSleepActivities, " ", "Sleep", false, !dumpAll, 3115 false, dumpPackage, true, " Activities waiting to sleep:", null); 3116 3117 return printed; 3118 } 3119 3120 static boolean dumpHistoryList(FileDescriptor fd, PrintWriter pw, List<ActivityRecord> list, 3121 String prefix, String label, boolean complete, boolean brief, boolean client, 3122 String dumpPackage, boolean needNL, String header1, String header2) { 3123 TaskRecord lastTask = null; 3124 String innerPrefix = null; 3125 String[] args = null; 3126 boolean printed = false; 3127 for (int i=list.size()-1; i>=0; i--) { 3128 final ActivityRecord r = list.get(i); 3129 if (dumpPackage != null && !dumpPackage.equals(r.packageName)) { 3130 continue; 3131 } 3132 if (innerPrefix == null) { 3133 innerPrefix = prefix + " "; 3134 args = new String[0]; 3135 } 3136 printed = true; 3137 final boolean full = !brief && (complete || !r.isInHistory()); 3138 if (needNL) { 3139 pw.println(""); 3140 needNL = false; 3141 } 3142 if (header1 != null) { 3143 pw.println(header1); 3144 header1 = null; 3145 } 3146 if (header2 != null) { 3147 pw.println(header2); 3148 header2 = null; 3149 } 3150 if (lastTask != r.task) { 3151 lastTask = r.task; 3152 pw.print(prefix); 3153 pw.print(full ? "* " : " "); 3154 pw.println(lastTask); 3155 if (full) { 3156 lastTask.dump(pw, prefix + " "); 3157 } else if (complete) { 3158 // Complete + brief == give a summary. Isn't that obvious?!? 3159 if (lastTask.intent != null) { 3160 pw.print(prefix); pw.print(" "); 3161 pw.println(lastTask.intent.toInsecureStringWithClip()); 3162 } 3163 } 3164 } 3165 pw.print(prefix); pw.print(full ? " * " : " "); pw.print(label); 3166 pw.print(" #"); pw.print(i); pw.print(": "); 3167 pw.println(r); 3168 if (full) { 3169 r.dump(pw, innerPrefix); 3170 } else if (complete) { 3171 // Complete + brief == give a summary. Isn't that obvious?!? 3172 pw.print(innerPrefix); pw.println(r.intent.toInsecureString()); 3173 if (r.app != null) { 3174 pw.print(innerPrefix); pw.println(r.app); 3175 } 3176 } 3177 if (client && r.app != null && r.app.thread != null) { 3178 // flush anything that is already in the PrintWriter since the thread is going 3179 // to write to the file descriptor directly 3180 pw.flush(); 3181 try { 3182 TransferPipe tp = new TransferPipe(); 3183 try { 3184 r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(), 3185 r.appToken, innerPrefix, args); 3186 // Short timeout, since blocking here can 3187 // deadlock with the application. 3188 tp.go(fd, 2000); 3189 } finally { 3190 tp.kill(); 3191 } 3192 } catch (IOException e) { 3193 pw.println(innerPrefix + "Failure while dumping the activity: " + e); 3194 } catch (RemoteException e) { 3195 pw.println(innerPrefix + "Got a RemoteException while dumping the activity"); 3196 } 3197 needNL = true; 3198 } 3199 } 3200 return printed; 3201 } 3202 3203 void scheduleIdleTimeoutLocked(ActivityRecord next) { 3204 if (DEBUG_IDLE) Slog.d(TAG, "scheduleIdleTimeoutLocked: Callers=" + Debug.getCallers(4)); 3205 Message msg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG, next); 3206 mHandler.sendMessageDelayed(msg, IDLE_TIMEOUT); 3207 } 3208 3209 final void scheduleIdleLocked() { 3210 mHandler.sendEmptyMessage(IDLE_NOW_MSG); 3211 } 3212 3213 void removeTimeoutsForActivityLocked(ActivityRecord r) { 3214 if (DEBUG_IDLE) Slog.d(TAG, "removeTimeoutsForActivity: Callers=" + Debug.getCallers(4)); 3215 mHandler.removeMessages(IDLE_TIMEOUT_MSG, r); 3216 } 3217 3218 final void scheduleResumeTopActivities() { 3219 if (!mHandler.hasMessages(RESUME_TOP_ACTIVITY_MSG)) { 3220 mHandler.sendEmptyMessage(RESUME_TOP_ACTIVITY_MSG); 3221 } 3222 } 3223 3224 void removeSleepTimeouts() { 3225 mSleepTimeout = false; 3226 mHandler.removeMessages(SLEEP_TIMEOUT_MSG); 3227 } 3228 3229 final void scheduleSleepTimeout() { 3230 removeSleepTimeouts(); 3231 mHandler.sendEmptyMessageDelayed(SLEEP_TIMEOUT_MSG, SLEEP_TIMEOUT); 3232 } 3233 3234 @Override 3235 public void onDisplayAdded(int displayId) { 3236 Slog.v(TAG, "Display added displayId=" + displayId); 3237 mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_ADDED, displayId, 0)); 3238 } 3239 3240 @Override 3241 public void onDisplayRemoved(int displayId) { 3242 Slog.v(TAG, "Display removed displayId=" + displayId); 3243 mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_REMOVED, displayId, 0)); 3244 } 3245 3246 @Override 3247 public void onDisplayChanged(int displayId) { 3248 Slog.v(TAG, "Display changed displayId=" + displayId); 3249 mHandler.sendMessage(mHandler.obtainMessage(HANDLE_DISPLAY_CHANGED, displayId, 0)); 3250 } 3251 3252 public void handleDisplayAddedLocked(int displayId) { 3253 boolean newDisplay; 3254 synchronized (mService) { 3255 newDisplay = mActivityDisplays.get(displayId) == null; 3256 if (newDisplay) { 3257 ActivityDisplay activityDisplay = new ActivityDisplay(displayId); 3258 mActivityDisplays.put(displayId, activityDisplay); 3259 } 3260 } 3261 if (newDisplay) { 3262 mWindowManager.onDisplayAdded(displayId); 3263 } 3264 } 3265 3266 public void handleDisplayRemovedLocked(int displayId) { 3267 synchronized (mService) { 3268 ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); 3269 if (activityDisplay != null) { 3270 ArrayList<ActivityStack> stacks = activityDisplay.mStacks; 3271 for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) { 3272 stacks.get(stackNdx).mActivityContainer.detachLocked(); 3273 } 3274 mActivityDisplays.remove(displayId); 3275 } 3276 } 3277 mWindowManager.onDisplayRemoved(displayId); 3278 } 3279 3280 public void handleDisplayChangedLocked(int displayId) { 3281 synchronized (mService) { 3282 ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); 3283 if (activityDisplay != null) { 3284 // TODO: Update the bounds. 3285 } 3286 } 3287 mWindowManager.onDisplayChanged(displayId); 3288 } 3289 3290 StackInfo getStackInfo(ActivityStack stack) { 3291 StackInfo info = new StackInfo(); 3292 mWindowManager.getStackBounds(stack.mStackId, info.bounds); 3293 info.displayId = Display.DEFAULT_DISPLAY; 3294 info.stackId = stack.mStackId; 3295 3296 ArrayList<TaskRecord> tasks = stack.getAllTasks(); 3297 final int numTasks = tasks.size(); 3298 int[] taskIds = new int[numTasks]; 3299 String[] taskNames = new String[numTasks]; 3300 for (int i = 0; i < numTasks; ++i) { 3301 final TaskRecord task = tasks.get(i); 3302 taskIds[i] = task.taskId; 3303 taskNames[i] = task.origActivity != null ? task.origActivity.flattenToString() 3304 : task.realActivity != null ? task.realActivity.flattenToString() 3305 : task.getTopActivity() != null ? task.getTopActivity().packageName 3306 : "unknown"; 3307 } 3308 info.taskIds = taskIds; 3309 info.taskNames = taskNames; 3310 return info; 3311 } 3312 3313 StackInfo getStackInfoLocked(int stackId) { 3314 ActivityStack stack = getStack(stackId); 3315 if (stack != null) { 3316 return getStackInfo(stack); 3317 } 3318 return null; 3319 } 3320 3321 ArrayList<StackInfo> getAllStackInfosLocked() { 3322 ArrayList<StackInfo> list = new ArrayList<StackInfo>(); 3323 for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); ++displayNdx) { 3324 ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks; 3325 for (int ndx = stacks.size() - 1; ndx >= 0; --ndx) { 3326 list.add(getStackInfo(stacks.get(ndx))); 3327 } 3328 } 3329 return list; 3330 } 3331 3332 void showLockTaskToast() { 3333 mLockTaskNotify.showToast(mLockTaskIsLocked); 3334 } 3335 3336 void setLockTaskModeLocked(TaskRecord task, boolean isLocked) { 3337 if (task == null) { 3338 // Take out of lock task mode if necessary 3339 if (mLockTaskModeTask != null) { 3340 final Message lockTaskMsg = Message.obtain(); 3341 lockTaskMsg.arg1 = mLockTaskModeTask.userId; 3342 lockTaskMsg.what = LOCK_TASK_END_MSG; 3343 mLockTaskModeTask = null; 3344 mHandler.sendMessage(lockTaskMsg); 3345 } 3346 return; 3347 } 3348 if (isLockTaskModeViolation(task)) { 3349 Slog.e(TAG, "setLockTaskMode: Attempt to start a second Lock Task Mode task."); 3350 return; 3351 } 3352 mLockTaskModeTask = task; 3353 findTaskToMoveToFrontLocked(task, 0, null); 3354 resumeTopActivitiesLocked(); 3355 3356 final Message lockTaskMsg = Message.obtain(); 3357 lockTaskMsg.obj = mLockTaskModeTask.intent.getComponent().getPackageName(); 3358 lockTaskMsg.arg1 = mLockTaskModeTask.userId; 3359 lockTaskMsg.what = LOCK_TASK_START_MSG; 3360 lockTaskMsg.arg2 = !isLocked ? 1 : 0; 3361 mHandler.sendMessage(lockTaskMsg); 3362 } 3363 3364 boolean isLockTaskModeViolation(TaskRecord task) { 3365 return mLockTaskModeTask != null && mLockTaskModeTask != task; 3366 } 3367 3368 void endLockTaskModeIfTaskEnding(TaskRecord task) { 3369 if (mLockTaskModeTask != null && mLockTaskModeTask == task) { 3370 final Message lockTaskMsg = Message.obtain(); 3371 lockTaskMsg.arg1 = mLockTaskModeTask.userId; 3372 lockTaskMsg.what = LOCK_TASK_END_MSG; 3373 mLockTaskModeTask = null; 3374 mHandler.sendMessage(lockTaskMsg); 3375 } 3376 } 3377 3378 boolean isInLockTaskMode() { 3379 return mLockTaskModeTask != null; 3380 } 3381 3382 private final class ActivityStackSupervisorHandler extends Handler { 3383 3384 public ActivityStackSupervisorHandler(Looper looper) { 3385 super(looper); 3386 } 3387 3388 void activityIdleInternal(ActivityRecord r) { 3389 synchronized (mService) { 3390 activityIdleInternalLocked(r != null ? r.appToken : null, true, null); 3391 } 3392 } 3393 3394 @Override 3395 public void handleMessage(Message msg) { 3396 switch (msg.what) { 3397 case IDLE_TIMEOUT_MSG: { 3398 if (DEBUG_IDLE) Slog.d(TAG, "handleMessage: IDLE_TIMEOUT_MSG: r=" + msg.obj); 3399 if (mService.mDidDexOpt) { 3400 mService.mDidDexOpt = false; 3401 Message nmsg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG); 3402 nmsg.obj = msg.obj; 3403 mHandler.sendMessageDelayed(nmsg, IDLE_TIMEOUT); 3404 return; 3405 } 3406 // We don't at this point know if the activity is fullscreen, 3407 // so we need to be conservative and assume it isn't. 3408 activityIdleInternal((ActivityRecord)msg.obj); 3409 } break; 3410 case IDLE_NOW_MSG: { 3411 if (DEBUG_IDLE) Slog.d(TAG, "handleMessage: IDLE_NOW_MSG: r=" + msg.obj); 3412 activityIdleInternal((ActivityRecord)msg.obj); 3413 } break; 3414 case RESUME_TOP_ACTIVITY_MSG: { 3415 synchronized (mService) { 3416 resumeTopActivitiesLocked(); 3417 } 3418 } break; 3419 case SLEEP_TIMEOUT_MSG: { 3420 synchronized (mService) { 3421 if (mService.isSleepingOrShuttingDown()) { 3422 Slog.w(TAG, "Sleep timeout! Sleeping now."); 3423 mSleepTimeout = true; 3424 checkReadyForSleepLocked(); 3425 } 3426 } 3427 } break; 3428 case LAUNCH_TIMEOUT_MSG: { 3429 if (mService.mDidDexOpt) { 3430 mService.mDidDexOpt = false; 3431 mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT); 3432 return; 3433 } 3434 synchronized (mService) { 3435 if (mLaunchingActivity.isHeld()) { 3436 Slog.w(TAG, "Launch timeout has expired, giving up wake lock!"); 3437 if (VALIDATE_WAKE_LOCK_CALLER 3438 && Binder.getCallingUid() != Process.myUid()) { 3439 throw new IllegalStateException("Calling must be system uid"); 3440 } 3441 mLaunchingActivity.release(); 3442 } 3443 } 3444 } break; 3445 case HANDLE_DISPLAY_ADDED: { 3446 handleDisplayAddedLocked(msg.arg1); 3447 } break; 3448 case HANDLE_DISPLAY_CHANGED: { 3449 handleDisplayChangedLocked(msg.arg1); 3450 } break; 3451 case HANDLE_DISPLAY_REMOVED: { 3452 handleDisplayRemovedLocked(msg.arg1); 3453 } break; 3454 case CONTAINER_CALLBACK_VISIBILITY: { 3455 final ActivityContainer container = (ActivityContainer) msg.obj; 3456 final IActivityContainerCallback callback = container.mCallback; 3457 if (callback != null) { 3458 try { 3459 callback.setVisible(container.asBinder(), msg.arg1 == 1); 3460 } catch (RemoteException e) { 3461 } 3462 } 3463 } break; 3464 case LOCK_TASK_START_MSG: { 3465 // When lock task starts, we disable the status bars. 3466 try { 3467 if (mLockTaskNotify == null) { 3468 mLockTaskNotify = new LockTaskNotify(mService.mContext); 3469 } 3470 mLockTaskNotify.show(true); 3471 mLockTaskIsLocked = msg.arg2 == 0; 3472 if (getStatusBarService() != null) { 3473 int flags = 3474 StatusBarManager.DISABLE_MASK ^ StatusBarManager.DISABLE_BACK; 3475 if (!mLockTaskIsLocked) { 3476 flags ^= StatusBarManager.DISABLE_HOME 3477 | StatusBarManager.DISABLE_RECENT; 3478 } 3479 getStatusBarService().disable(flags, mToken, 3480 mService.mContext.getPackageName()); 3481 } 3482 mWindowManager.disableKeyguard(mToken, LOCK_TASK_TAG); 3483 if (getDevicePolicyManager() != null) { 3484 getDevicePolicyManager().notifyLockTaskModeChanged(true, 3485 (String)msg.obj, msg.arg1); 3486 } 3487 } catch (RemoteException ex) { 3488 throw new RuntimeException(ex); 3489 } 3490 } break; 3491 case LOCK_TASK_END_MSG: { 3492 // When lock task ends, we enable the status bars. 3493 try { 3494 if (getStatusBarService() != null) { 3495 getStatusBarService().disable(StatusBarManager.DISABLE_NONE, mToken, 3496 mService.mContext.getPackageName()); 3497 } 3498 mWindowManager.reenableKeyguard(mToken); 3499 if (getDevicePolicyManager() != null) { 3500 getDevicePolicyManager().notifyLockTaskModeChanged(false, null, 3501 msg.arg1); 3502 } 3503 if (mLockTaskNotify == null) { 3504 mLockTaskNotify = new LockTaskNotify(mService.mContext); 3505 } 3506 mLockTaskNotify.show(false); 3507 try { 3508 boolean shouldLockKeyguard = Settings.System.getInt( 3509 mService.mContext.getContentResolver(), 3510 Settings.System.LOCK_TO_APP_EXIT_LOCKED) != 0; 3511 if (!mLockTaskIsLocked && shouldLockKeyguard) { 3512 mWindowManager.lockNow(null); 3513 mWindowManager.dismissKeyguard(); 3514 new LockPatternUtils(mService.mContext) 3515 .requireCredentialEntry(UserHandle.USER_ALL); 3516 } 3517 } catch (SettingNotFoundException e) { 3518 // No setting, don't lock. 3519 } 3520 } catch (RemoteException ex) { 3521 throw new RuntimeException(ex); 3522 } 3523 } break; 3524 case CONTAINER_CALLBACK_TASK_LIST_EMPTY: { 3525 final ActivityContainer container = (ActivityContainer) msg.obj; 3526 final IActivityContainerCallback callback = container.mCallback; 3527 if (callback != null) { 3528 try { 3529 callback.onAllActivitiesComplete(container.asBinder()); 3530 } catch (RemoteException e) { 3531 } 3532 } 3533 } break; 3534 case CONTAINER_TASK_LIST_EMPTY_TIMEOUT: { 3535 synchronized (mService) { 3536 Slog.w(TAG, "Timeout waiting for all activities in task to finish. " + 3537 msg.obj); 3538 final ActivityContainer container = (ActivityContainer) msg.obj; 3539 container.mStack.finishAllActivitiesLocked(true); 3540 container.onTaskListEmptyLocked(); 3541 } 3542 } break; 3543 case LAUNCH_TASK_BEHIND_COMPLETE: { 3544 synchronized (mService) { 3545 ActivityRecord r = ActivityRecord.forToken((IBinder) msg.obj); 3546 if (r != null) { 3547 handleLaunchTaskBehindCompleteLocked(r); 3548 } 3549 } 3550 } break; 3551 } 3552 } 3553 } 3554 3555 class ActivityContainer extends android.app.IActivityContainer.Stub { 3556 final static int FORCE_NEW_TASK_FLAGS = Intent.FLAG_ACTIVITY_NEW_TASK | 3557 Intent.FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION; 3558 final int mStackId; 3559 IActivityContainerCallback mCallback = null; 3560 final ActivityStack mStack; 3561 ActivityRecord mParentActivity = null; 3562 String mIdString; 3563 3564 boolean mVisible = true; 3565 3566 /** Display this ActivityStack is currently on. Null if not attached to a Display. */ 3567 ActivityDisplay mActivityDisplay; 3568 3569 final static int CONTAINER_STATE_HAS_SURFACE = 0; 3570 final static int CONTAINER_STATE_NO_SURFACE = 1; 3571 final static int CONTAINER_STATE_FINISHING = 2; 3572 int mContainerState = CONTAINER_STATE_HAS_SURFACE; 3573 3574 ActivityContainer(int stackId) { 3575 synchronized (mService) { 3576 mStackId = stackId; 3577 mStack = new ActivityStack(this); 3578 mIdString = "ActivtyContainer{" + mStackId + "}"; 3579 if (DEBUG_STACK) Slog.d(TAG, "Creating " + this); 3580 } 3581 } 3582 3583 void attachToDisplayLocked(ActivityDisplay activityDisplay) { 3584 if (DEBUG_STACK) Slog.d(TAG, "attachToDisplayLocked: " + this 3585 + " to display=" + activityDisplay); 3586 mActivityDisplay = activityDisplay; 3587 mStack.mDisplayId = activityDisplay.mDisplayId; 3588 mStack.mStacks = activityDisplay.mStacks; 3589 3590 activityDisplay.attachActivities(mStack); 3591 mWindowManager.attachStack(mStackId, activityDisplay.mDisplayId); 3592 } 3593 3594 @Override 3595 public void attachToDisplay(int displayId) { 3596 synchronized (mService) { 3597 ActivityDisplay activityDisplay = mActivityDisplays.get(displayId); 3598 if (activityDisplay == null) { 3599 return; 3600 } 3601 attachToDisplayLocked(activityDisplay); 3602 } 3603 } 3604 3605 @Override 3606 public int getDisplayId() { 3607 synchronized (mService) { 3608 if (mActivityDisplay != null) { 3609 return mActivityDisplay.mDisplayId; 3610 } 3611 } 3612 return -1; 3613 } 3614 3615 @Override 3616 public boolean injectEvent(InputEvent event) { 3617 final long origId = Binder.clearCallingIdentity(); 3618 try { 3619 synchronized (mService) { 3620 if (mActivityDisplay != null) { 3621 return mInputManagerInternal.injectInputEvent(event, 3622 mActivityDisplay.mDisplayId, 3623 InputManager.INJECT_INPUT_EVENT_MODE_ASYNC); 3624 } 3625 } 3626 return false; 3627 } finally { 3628 Binder.restoreCallingIdentity(origId); 3629 } 3630 } 3631 3632 @Override 3633 public void release() { 3634 synchronized (mService) { 3635 if (mContainerState == CONTAINER_STATE_FINISHING) { 3636 return; 3637 } 3638 mContainerState = CONTAINER_STATE_FINISHING; 3639 3640 final Message msg = 3641 mHandler.obtainMessage(CONTAINER_TASK_LIST_EMPTY_TIMEOUT, this); 3642 mHandler.sendMessageDelayed(msg, 2000); 3643 3644 long origId = Binder.clearCallingIdentity(); 3645 try { 3646 mStack.finishAllActivitiesLocked(false); 3647 removePendingActivityLaunchesLocked(mStack); 3648 } finally { 3649 Binder.restoreCallingIdentity(origId); 3650 } 3651 } 3652 } 3653 3654 private void detachLocked() { 3655 if (DEBUG_STACK) Slog.d(TAG, "detachLocked: " + this + " from display=" 3656 + mActivityDisplay + " Callers=" + Debug.getCallers(2)); 3657 if (mActivityDisplay != null) { 3658 mActivityDisplay.detachActivitiesLocked(mStack); 3659 mActivityDisplay = null; 3660 mStack.mDisplayId = -1; 3661 mStack.mStacks = null; 3662 mWindowManager.detachStack(mStackId); 3663 } 3664 } 3665 3666 @Override 3667 public final int startActivity(Intent intent) { 3668 mService.enforceNotIsolatedCaller("ActivityContainer.startActivity"); 3669 int userId = mService.handleIncomingUser(Binder.getCallingPid(), 3670 Binder.getCallingUid(), mCurrentUser, false, 3671 ActivityManagerService.ALLOW_FULL_ONLY, "ActivityContainer", null); 3672 // TODO: Switch to user app stacks here. 3673 intent.addFlags(FORCE_NEW_TASK_FLAGS); 3674 String mimeType = intent.getType(); 3675 if (mimeType == null && intent.getData() != null 3676 && "content".equals(intent.getData().getScheme())) { 3677 mimeType = mService.getProviderMimeType(intent.getData(), userId); 3678 } 3679 return startActivityMayWait(null, -1, null, intent, mimeType, null, null, null, null, 0, 3680 0, null, null, null, null, userId, this, null); 3681 } 3682 3683 @Override 3684 public final int startActivityIntentSender(IIntentSender intentSender) { 3685 mService.enforceNotIsolatedCaller("ActivityContainer.startActivityIntentSender"); 3686 3687 if (!(intentSender instanceof PendingIntentRecord)) { 3688 throw new IllegalArgumentException("Bad PendingIntent object"); 3689 } 3690 3691 return ((PendingIntentRecord)intentSender).sendInner(0, null, null, null, null, null, 3692 null, 0, FORCE_NEW_TASK_FLAGS, FORCE_NEW_TASK_FLAGS, null, this); 3693 } 3694 3695 private void checkEmbeddedAllowedInner(Intent intent, String resolvedType) { 3696 int userId = mService.handleIncomingUser(Binder.getCallingPid(), 3697 Binder.getCallingUid(), mCurrentUser, false, 3698 ActivityManagerService.ALLOW_FULL_ONLY, "ActivityContainer", null); 3699 if (resolvedType == null) { 3700 resolvedType = intent.getType(); 3701 if (resolvedType == null && intent.getData() != null 3702 && "content".equals(intent.getData().getScheme())) { 3703 resolvedType = mService.getProviderMimeType(intent.getData(), userId); 3704 } 3705 } 3706 ActivityInfo aInfo = resolveActivity(intent, resolvedType, 0, null, userId); 3707 if (aInfo != null && (aInfo.flags & ActivityInfo.FLAG_ALLOW_EMBEDDED) == 0) { 3708 throw new SecurityException( 3709 "Attempt to embed activity that has not set allowEmbedded=\"true\""); 3710 } 3711 } 3712 3713 /** Throw a SecurityException if allowEmbedded is not true */ 3714 @Override 3715 public final void checkEmbeddedAllowed(Intent intent) { 3716 checkEmbeddedAllowedInner(intent, null); 3717 } 3718 3719 /** Throw a SecurityException if allowEmbedded is not true */ 3720 @Override 3721 public final void checkEmbeddedAllowedIntentSender(IIntentSender intentSender) { 3722 if (!(intentSender instanceof PendingIntentRecord)) { 3723 throw new IllegalArgumentException("Bad PendingIntent object"); 3724 } 3725 PendingIntentRecord pendingIntent = (PendingIntentRecord) intentSender; 3726 checkEmbeddedAllowedInner(pendingIntent.key.requestIntent, 3727 pendingIntent.key.requestResolvedType); 3728 } 3729 3730 @Override 3731 public IBinder asBinder() { 3732 return this; 3733 } 3734 3735 @Override 3736 public void setSurface(Surface surface, int width, int height, int density) { 3737 mService.enforceNotIsolatedCaller("ActivityContainer.attachToSurface"); 3738 } 3739 3740 ActivityStackSupervisor getOuter() { 3741 return ActivityStackSupervisor.this; 3742 } 3743 3744 boolean isAttachedLocked() { 3745 return mActivityDisplay != null; 3746 } 3747 3748 void getBounds(Point outBounds) { 3749 synchronized (mService) { 3750 if (mActivityDisplay != null) { 3751 mActivityDisplay.getBounds(outBounds); 3752 } else { 3753 outBounds.set(0, 0); 3754 } 3755 } 3756 } 3757 3758 // TODO: Make sure every change to ActivityRecord.visible results in a call to this. 3759 void setVisible(boolean visible) { 3760 if (mVisible != visible) { 3761 mVisible = visible; 3762 if (mCallback != null) { 3763 mHandler.obtainMessage(CONTAINER_CALLBACK_VISIBILITY, visible ? 1 : 0, 3764 0 /* unused */, this).sendToTarget(); 3765 } 3766 } 3767 } 3768 3769 void setDrawn() { 3770 } 3771 3772 // You can always start a new task on a regular ActivityStack. 3773 boolean isEligibleForNewTasks() { 3774 return true; 3775 } 3776 3777 void onTaskListEmptyLocked() { 3778 mHandler.removeMessages(CONTAINER_TASK_LIST_EMPTY_TIMEOUT, this); 3779 if (!mStack.isHomeStack()) { 3780 detachLocked(); 3781 deleteActivityContainer(this); 3782 } 3783 mHandler.obtainMessage(CONTAINER_CALLBACK_TASK_LIST_EMPTY, this).sendToTarget(); 3784 } 3785 3786 @Override 3787 public String toString() { 3788 return mIdString + (mActivityDisplay == null ? "N" : "A"); 3789 } 3790 } 3791 3792 private class VirtualActivityContainer extends ActivityContainer { 3793 Surface mSurface; 3794 boolean mDrawn = false; 3795 3796 VirtualActivityContainer(ActivityRecord parent, IActivityContainerCallback callback) { 3797 super(getNextStackId()); 3798 mParentActivity = parent; 3799 mCallback = callback; 3800 mContainerState = CONTAINER_STATE_NO_SURFACE; 3801 mIdString = "VirtualActivityContainer{" + mStackId + ", parent=" + mParentActivity + "}"; 3802 } 3803 3804 @Override 3805 public void setSurface(Surface surface, int width, int height, int density) { 3806 super.setSurface(surface, width, height, density); 3807 3808 synchronized (mService) { 3809 final long origId = Binder.clearCallingIdentity(); 3810 try { 3811 setSurfaceLocked(surface, width, height, density); 3812 } finally { 3813 Binder.restoreCallingIdentity(origId); 3814 } 3815 } 3816 } 3817 3818 private void setSurfaceLocked(Surface surface, int width, int height, int density) { 3819 if (mContainerState == CONTAINER_STATE_FINISHING) { 3820 return; 3821 } 3822 VirtualActivityDisplay virtualActivityDisplay = 3823 (VirtualActivityDisplay) mActivityDisplay; 3824 if (virtualActivityDisplay == null) { 3825 virtualActivityDisplay = 3826 new VirtualActivityDisplay(width, height, density); 3827 mActivityDisplay = virtualActivityDisplay; 3828 mActivityDisplays.put(virtualActivityDisplay.mDisplayId, virtualActivityDisplay); 3829 attachToDisplayLocked(virtualActivityDisplay); 3830 } 3831 3832 if (mSurface != null) { 3833 mSurface.release(); 3834 } 3835 3836 mSurface = surface; 3837 if (surface != null) { 3838 mStack.resumeTopActivityLocked(null); 3839 } else { 3840 mContainerState = CONTAINER_STATE_NO_SURFACE; 3841 ((VirtualActivityDisplay) mActivityDisplay).setSurface(null); 3842 if (mStack.mPausingActivity == null && mStack.mResumedActivity != null) { 3843 mStack.startPausingLocked(false, true); 3844 } 3845 } 3846 3847 setSurfaceIfReadyLocked(); 3848 3849 if (DEBUG_STACK) Slog.d(TAG, "setSurface: " + this + " to display=" 3850 + virtualActivityDisplay); 3851 } 3852 3853 @Override 3854 boolean isAttachedLocked() { 3855 return mSurface != null && super.isAttachedLocked(); 3856 } 3857 3858 @Override 3859 void setDrawn() { 3860 synchronized (mService) { 3861 mDrawn = true; 3862 setSurfaceIfReadyLocked(); 3863 } 3864 } 3865 3866 // Never start a new task on an ActivityView if it isn't explicitly specified. 3867 @Override 3868 boolean isEligibleForNewTasks() { 3869 return false; 3870 } 3871 3872 private void setSurfaceIfReadyLocked() { 3873 if (DEBUG_STACK) Slog.v(TAG, "setSurfaceIfReadyLocked: mDrawn=" + mDrawn + 3874 " mContainerState=" + mContainerState + " mSurface=" + mSurface); 3875 if (mDrawn && mSurface != null && mContainerState == CONTAINER_STATE_NO_SURFACE) { 3876 ((VirtualActivityDisplay) mActivityDisplay).setSurface(mSurface); 3877 mContainerState = CONTAINER_STATE_HAS_SURFACE; 3878 } 3879 } 3880 } 3881 3882 /** Exactly one of these classes per Display in the system. Capable of holding zero or more 3883 * attached {@link ActivityStack}s */ 3884 class ActivityDisplay { 3885 /** Actual Display this object tracks. */ 3886 int mDisplayId; 3887 Display mDisplay; 3888 DisplayInfo mDisplayInfo = new DisplayInfo(); 3889 3890 /** All of the stacks on this display. Order matters, topmost stack is in front of all other 3891 * stacks, bottommost behind. Accessed directly by ActivityManager package classes */ 3892 final ArrayList<ActivityStack> mStacks = new ArrayList<ActivityStack>(); 3893 3894 ActivityRecord mVisibleBehindActivity; 3895 3896 ActivityDisplay() { 3897 } 3898 3899 ActivityDisplay(int displayId) { 3900 init(mDisplayManager.getDisplay(displayId)); 3901 } 3902 3903 void init(Display display) { 3904 mDisplay = display; 3905 mDisplayId = display.getDisplayId(); 3906 mDisplay.getDisplayInfo(mDisplayInfo); 3907 } 3908 3909 void attachActivities(ActivityStack stack) { 3910 if (DEBUG_STACK) Slog.v(TAG, "attachActivities: attaching " + stack + " to displayId=" 3911 + mDisplayId); 3912 mStacks.add(stack); 3913 } 3914 3915 void detachActivitiesLocked(ActivityStack stack) { 3916 if (DEBUG_STACK) Slog.v(TAG, "detachActivitiesLocked: detaching " + stack 3917 + " from displayId=" + mDisplayId); 3918 mStacks.remove(stack); 3919 } 3920 3921 void getBounds(Point bounds) { 3922 mDisplay.getDisplayInfo(mDisplayInfo); 3923 bounds.x = mDisplayInfo.appWidth; 3924 bounds.y = mDisplayInfo.appHeight; 3925 } 3926 3927 void setVisibleBehindActivity(ActivityRecord r) { 3928 mVisibleBehindActivity = r; 3929 } 3930 3931 boolean hasVisibleBehindActivity() { 3932 return mVisibleBehindActivity != null; 3933 } 3934 3935 @Override 3936 public String toString() { 3937 return "ActivityDisplay={" + mDisplayId + " numStacks=" + mStacks.size() + "}"; 3938 } 3939 } 3940 3941 class VirtualActivityDisplay extends ActivityDisplay { 3942 VirtualDisplay mVirtualDisplay; 3943 3944 VirtualActivityDisplay(int width, int height, int density) { 3945 DisplayManagerGlobal dm = DisplayManagerGlobal.getInstance(); 3946 mVirtualDisplay = dm.createVirtualDisplay(mService.mContext, null, 3947 VIRTUAL_DISPLAY_BASE_NAME, width, height, density, null, 3948 DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC | 3949 DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY, null, null); 3950 3951 init(mVirtualDisplay.getDisplay()); 3952 3953 mWindowManager.handleDisplayAdded(mDisplayId); 3954 } 3955 3956 void setSurface(Surface surface) { 3957 if (mVirtualDisplay != null) { 3958 mVirtualDisplay.setSurface(surface); 3959 } 3960 } 3961 3962 @Override 3963 void detachActivitiesLocked(ActivityStack stack) { 3964 super.detachActivitiesLocked(stack); 3965 if (mVirtualDisplay != null) { 3966 mVirtualDisplay.release(); 3967 mVirtualDisplay = null; 3968 } 3969 } 3970 3971 @Override 3972 public String toString() { 3973 return "VirtualActivityDisplay={" + mDisplayId + "}"; 3974 } 3975 } 3976 3977 private boolean isLeanbackOnlyDevice() { 3978 boolean onLeanbackOnly = false; 3979 try { 3980 onLeanbackOnly = AppGlobals.getPackageManager().hasSystemFeature( 3981 PackageManager.FEATURE_LEANBACK_ONLY); 3982 } catch (RemoteException e) { 3983 // noop 3984 } 3985 3986 return onLeanbackOnly; 3987 } 3988} 3989