ActivityRecord.java revision f4c909bcb87d6f103c9f9e8255fa61bd86f4de67
1/* 2 * Copyright (C) 2006 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 android.os.Trace; 20import com.android.internal.R.styleable; 21import com.android.internal.app.ResolverActivity; 22import com.android.server.AttributeCache; 23import com.android.server.am.ActivityStack.ActivityState; 24import com.android.server.am.ActivityStackSupervisor.ActivityContainer; 25 26import android.app.ActivityOptions; 27import android.app.ResultInfo; 28import android.content.ComponentName; 29import android.content.Intent; 30import android.content.pm.ActivityInfo; 31import android.content.pm.ApplicationInfo; 32import android.content.res.CompatibilityInfo; 33import android.content.res.Configuration; 34import android.graphics.Bitmap; 35import android.graphics.Rect; 36import android.os.Build; 37import android.os.Bundle; 38import android.os.IBinder; 39import android.os.Message; 40import android.os.Process; 41import android.os.RemoteException; 42import android.os.SystemClock; 43import android.os.UserHandle; 44import android.util.EventLog; 45import android.util.Log; 46import android.util.Slog; 47import android.util.TimeUtils; 48import android.view.IApplicationToken; 49import android.view.WindowManager; 50 51import java.io.PrintWriter; 52import java.lang.ref.WeakReference; 53import java.util.ArrayList; 54import java.util.HashSet; 55 56/** 57 * An entry in the history stack, representing an activity. 58 */ 59final class ActivityRecord { 60 static final String TAG = ActivityManagerService.TAG; 61 static final boolean DEBUG_SAVED_STATE = ActivityStackSupervisor.DEBUG_SAVED_STATE; 62 final public static String RECENTS_PACKAGE_NAME = "com.android.systemui.recent"; 63 64 final ActivityManagerService service; // owner 65 final IApplicationToken.Stub appToken; // window manager token 66 final ActivityInfo info; // all about me 67 final int launchedFromUid; // always the uid who started the activity. 68 final String launchedFromPackage; // always the package who started the activity. 69 final int userId; // Which user is this running for? 70 final Intent intent; // the original intent that generated us 71 final ComponentName realActivity; // the intent component, or target of an alias. 72 final String shortComponentName; // the short component name of the intent 73 final String resolvedType; // as per original caller; 74 final String packageName; // the package implementing intent's component 75 final String processName; // process where this component wants to run 76 final String taskAffinity; // as per ActivityInfo.taskAffinity 77 final boolean stateNotNeeded; // As per ActivityInfo.flags 78 boolean fullscreen; // covers the full screen? 79 final boolean noDisplay; // activity is not displayed? 80 final boolean componentSpecified; // did caller specifiy an explicit component? 81 82 static final int APPLICATION_ACTIVITY_TYPE = 0; 83 static final int HOME_ACTIVITY_TYPE = 1; 84 static final int RECENTS_ACTIVITY_TYPE = 2; 85 int mActivityType; 86 87 final String baseDir; // where activity source (resources etc) located 88 final String resDir; // where public activity source (public resources etc) located 89 final String dataDir; // where activity data should go 90 CharSequence nonLocalizedLabel; // the label information from the package mgr. 91 int labelRes; // the label information from the package mgr. 92 int icon; // resource identifier of activity's icon. 93 int logo; // resource identifier of activity's logo. 94 int theme; // resource identifier of activity's theme. 95 int realTheme; // actual theme resource we will use, never 0. 96 int windowFlags; // custom window flags for preview window. 97 TaskRecord task; // the task this is in. 98 ThumbnailHolder thumbHolder; // where our thumbnails should go. 99 long displayStartTime; // when we started launching this activity 100 long fullyDrawnStartTime; // when we started launching this activity 101 long startTime; // last time this activity was started 102 long lastVisibleTime; // last time this activity became visible 103 long cpuTimeAtResume; // the cpu time of host process at the time of resuming activity 104 long pauseTime; // last time we started pausing the activity 105 long launchTickTime; // base time for launch tick messages 106 Configuration configuration; // configuration activity was last running in 107 CompatibilityInfo compat;// last used compatibility mode 108 ActivityRecord resultTo; // who started this entry, so will get our reply 109 final String resultWho; // additional identifier for use by resultTo. 110 final int requestCode; // code given by requester (resultTo) 111 ArrayList<ResultInfo> results; // pending ActivityResult objs we have received 112 HashSet<WeakReference<PendingIntentRecord>> pendingResults; // all pending intents for this act 113 ArrayList<Intent> newIntents; // any pending new intents for single-top mode 114 ActivityOptions pendingOptions; // most recently given options 115 HashSet<ConnectionRecord> connections; // All ConnectionRecord we hold 116 UriPermissionOwner uriPermissions; // current special URI access perms. 117 ProcessRecord app; // if non-null, hosting application 118 ActivityState state; // current state we are in 119 Bundle icicle; // last saved activity state 120 boolean frontOfTask; // is this the root activity of its task? 121 boolean launchFailed; // set if a launched failed, to abort on 2nd try 122 boolean haveState; // have we gotten the last activity state? 123 boolean stopped; // is activity pause finished? 124 boolean delayedResume; // not yet resumed because of stopped app switches? 125 boolean finishing; // activity in pending finish list? 126 boolean configDestroy; // need to destroy due to config change? 127 int configChangeFlags; // which config values have changed 128 boolean keysPaused; // has key dispatching been paused for it? 129 int launchMode; // the launch mode activity attribute. 130 boolean visible; // does this activity's window need to be shown? 131 boolean sleeping; // have we told the activity to sleep? 132 boolean waitingVisible; // true if waiting for a new act to become vis 133 boolean nowVisible; // is this activity's window visible? 134 boolean thumbnailNeeded;// has someone requested a thumbnail? 135 boolean idle; // has the activity gone idle? 136 boolean hasBeenLaunched;// has this activity ever been launched? 137 boolean frozenBeforeDestroy;// has been frozen but not yet destroyed. 138 boolean immersive; // immersive mode (don't interrupt if possible) 139 boolean forceNewConfig; // force re-create with new config next time 140 int launchCount; // count of launches since last state 141 long lastLaunchTime; // time of last lauch of this activity 142 ArrayList<ActivityContainer> mChildContainers = new ArrayList<ActivityContainer>(); 143 144 String stringName; // for caching of toString(). 145 146 private boolean inHistory; // are we in the history stack? 147 final ActivityStackSupervisor mStackSupervisor; 148 ActivityContainer mInitialActivityContainer; 149 150 void dump(PrintWriter pw, String prefix) { 151 final long now = SystemClock.uptimeMillis(); 152 pw.print(prefix); pw.print("packageName="); pw.print(packageName); 153 pw.print(" processName="); pw.println(processName); 154 pw.print(prefix); pw.print("launchedFromUid="); pw.print(launchedFromUid); 155 pw.print(" launchedFromPackage="); pw.print(launchedFromPackage); 156 pw.print(" userId="); pw.println(userId); 157 pw.print(prefix); pw.print("app="); pw.println(app); 158 pw.print(prefix); pw.println(intent.toInsecureStringWithClip()); 159 pw.print(prefix); pw.print("frontOfTask="); pw.print(frontOfTask); 160 pw.print(" task="); pw.println(task); 161 pw.print(prefix); pw.print("taskAffinity="); pw.println(taskAffinity); 162 pw.print(prefix); pw.print("realActivity="); 163 pw.println(realActivity.flattenToShortString()); 164 pw.print(prefix); pw.print("baseDir="); pw.println(baseDir); 165 if (!resDir.equals(baseDir)) { 166 pw.print(prefix); pw.print("resDir="); pw.println(resDir); 167 } 168 pw.print(prefix); pw.print("dataDir="); pw.println(dataDir); 169 pw.print(prefix); pw.print("stateNotNeeded="); pw.print(stateNotNeeded); 170 pw.print(" componentSpecified="); pw.print(componentSpecified); 171 pw.print(" mActivityType="); pw.println(mActivityType); 172 pw.print(prefix); pw.print("compat="); pw.print(compat); 173 pw.print(" labelRes=0x"); pw.print(Integer.toHexString(labelRes)); 174 pw.print(" icon=0x"); pw.print(Integer.toHexString(icon)); 175 pw.print(" theme=0x"); pw.println(Integer.toHexString(theme)); 176 pw.print(prefix); pw.print("config="); pw.println(configuration); 177 if (resultTo != null || resultWho != null) { 178 pw.print(prefix); pw.print("resultTo="); pw.print(resultTo); 179 pw.print(" resultWho="); pw.print(resultWho); 180 pw.print(" resultCode="); pw.println(requestCode); 181 } 182 if (results != null) { 183 pw.print(prefix); pw.print("results="); pw.println(results); 184 } 185 if (pendingResults != null && pendingResults.size() > 0) { 186 pw.print(prefix); pw.println("Pending Results:"); 187 for (WeakReference<PendingIntentRecord> wpir : pendingResults) { 188 PendingIntentRecord pir = wpir != null ? wpir.get() : null; 189 pw.print(prefix); pw.print(" - "); 190 if (pir == null) { 191 pw.println("null"); 192 } else { 193 pw.println(pir); 194 pir.dump(pw, prefix + " "); 195 } 196 } 197 } 198 if (newIntents != null && newIntents.size() > 0) { 199 pw.print(prefix); pw.println("Pending New Intents:"); 200 for (int i=0; i<newIntents.size(); i++) { 201 Intent intent = newIntents.get(i); 202 pw.print(prefix); pw.print(" - "); 203 if (intent == null) { 204 pw.println("null"); 205 } else { 206 pw.println(intent.toShortString(false, true, false, true)); 207 } 208 } 209 } 210 if (pendingOptions != null) { 211 pw.print(prefix); pw.print("pendingOptions="); pw.println(pendingOptions); 212 } 213 if (uriPermissions != null) { 214 if (uriPermissions.readUriPermissions != null) { 215 pw.print(prefix); pw.print("readUriPermissions="); 216 pw.println(uriPermissions.readUriPermissions); 217 } 218 if (uriPermissions.writeUriPermissions != null) { 219 pw.print(prefix); pw.print("writeUriPermissions="); 220 pw.println(uriPermissions.writeUriPermissions); 221 } 222 } 223 pw.print(prefix); pw.print("launchFailed="); pw.print(launchFailed); 224 pw.print(" launchCount="); pw.print(launchCount); 225 pw.print(" lastLaunchTime="); 226 if (lastLaunchTime == 0) pw.print("0"); 227 else TimeUtils.formatDuration(lastLaunchTime, now, pw); 228 pw.println(); 229 pw.print(prefix); pw.print("haveState="); pw.print(haveState); 230 pw.print(" icicle="); pw.println(icicle); 231 pw.print(prefix); pw.print("state="); pw.print(state); 232 pw.print(" stopped="); pw.print(stopped); 233 pw.print(" delayedResume="); pw.print(delayedResume); 234 pw.print(" finishing="); pw.println(finishing); 235 pw.print(prefix); pw.print("keysPaused="); pw.print(keysPaused); 236 pw.print(" inHistory="); pw.print(inHistory); 237 pw.print(" visible="); pw.print(visible); 238 pw.print(" sleeping="); pw.print(sleeping); 239 pw.print(" idle="); pw.println(idle); 240 pw.print(prefix); pw.print("fullscreen="); pw.print(fullscreen); 241 pw.print(" noDisplay="); pw.print(noDisplay); 242 pw.print(" immersive="); pw.print(immersive); 243 pw.print(" launchMode="); pw.println(launchMode); 244 pw.print(prefix); pw.print("frozenBeforeDestroy="); pw.print(frozenBeforeDestroy); 245 pw.print(" thumbnailNeeded="); pw.print(thumbnailNeeded); 246 pw.print(" forceNewConfig="); pw.println(forceNewConfig); 247 pw.print(prefix); pw.print("mActivityType="); 248 pw.println(activityTypeToString(mActivityType)); 249 pw.print(prefix); pw.print("thumbHolder: "); 250 pw.print(Integer.toHexString(System.identityHashCode(thumbHolder))); 251 if (thumbHolder != null) { 252 pw.print(" bm="); pw.print(thumbHolder.lastThumbnail); 253 pw.print(" desc="); pw.print(thumbHolder.lastDescription); 254 } 255 pw.println(); 256 if (displayStartTime != 0 || startTime != 0) { 257 pw.print(prefix); pw.print("displayStartTime="); 258 if (displayStartTime == 0) pw.print("0"); 259 else TimeUtils.formatDuration(displayStartTime, now, pw); 260 pw.print(" startTime="); 261 if (startTime == 0) pw.print("0"); 262 else TimeUtils.formatDuration(startTime, now, pw); 263 pw.println(); 264 } 265 if (lastVisibleTime != 0 || waitingVisible || nowVisible) { 266 pw.print(prefix); pw.print("waitingVisible="); pw.print(waitingVisible); 267 pw.print(" nowVisible="); pw.print(nowVisible); 268 pw.print(" lastVisibleTime="); 269 if (lastVisibleTime == 0) pw.print("0"); 270 else TimeUtils.formatDuration(lastVisibleTime, now, pw); 271 pw.println(); 272 } 273 if (configDestroy || configChangeFlags != 0) { 274 pw.print(prefix); pw.print("configDestroy="); pw.print(configDestroy); 275 pw.print(" configChangeFlags="); 276 pw.println(Integer.toHexString(configChangeFlags)); 277 } 278 if (connections != null) { 279 pw.print(prefix); pw.print("connections="); pw.println(connections); 280 } 281 } 282 283 static class Token extends IApplicationToken.Stub { 284 final WeakReference<ActivityRecord> weakActivity; 285 286 Token(ActivityRecord activity) { 287 weakActivity = new WeakReference<ActivityRecord>(activity); 288 } 289 290 @Override public void windowsDrawn() { 291 ActivityRecord activity = weakActivity.get(); 292 if (activity != null) { 293 activity.windowsDrawn(); 294 } 295 } 296 297 @Override public void windowsVisible() { 298 ActivityRecord activity = weakActivity.get(); 299 if (activity != null) { 300 activity.windowsVisible(); 301 } 302 } 303 304 @Override public void windowsGone() { 305 ActivityRecord activity = weakActivity.get(); 306 if (activity != null) { 307 activity.windowsGone(); 308 } 309 } 310 311 @Override public boolean keyDispatchingTimedOut(String reason) { 312 ActivityRecord activity = weakActivity.get(); 313 return activity != null && activity.keyDispatchingTimedOut(reason); 314 } 315 316 @Override public long getKeyDispatchingTimeout() { 317 ActivityRecord activity = weakActivity.get(); 318 if (activity != null) { 319 return activity.getKeyDispatchingTimeout(); 320 } 321 return 0; 322 } 323 324 @Override 325 public String toString() { 326 StringBuilder sb = new StringBuilder(128); 327 sb.append("Token{"); 328 sb.append(Integer.toHexString(System.identityHashCode(this))); 329 sb.append(' '); 330 sb.append(weakActivity.get()); 331 sb.append('}'); 332 return sb.toString(); 333 } 334 } 335 336 static ActivityRecord forToken(IBinder token) { 337 try { 338 return token != null ? ((Token)token).weakActivity.get() : null; 339 } catch (ClassCastException e) { 340 Slog.w(ActivityManagerService.TAG, "Bad activity token: " + token, e); 341 return null; 342 } 343 } 344 345 boolean isNotResolverActivity() { 346 return !ResolverActivity.class.getName().equals(realActivity.getClassName()); 347 } 348 349 ActivityRecord(ActivityManagerService _service, ProcessRecord _caller, 350 int _launchedFromUid, String _launchedFromPackage, Intent _intent, String _resolvedType, 351 ActivityInfo aInfo, Configuration _configuration, 352 ActivityRecord _resultTo, String _resultWho, int _reqCode, 353 boolean _componentSpecified, ActivityStackSupervisor supervisor, 354 ActivityContainer container) { 355 service = _service; 356 appToken = new Token(this); 357 info = aInfo; 358 launchedFromUid = _launchedFromUid; 359 launchedFromPackage = _launchedFromPackage; 360 userId = UserHandle.getUserId(aInfo.applicationInfo.uid); 361 intent = _intent; 362 shortComponentName = _intent.getComponent().flattenToShortString(); 363 resolvedType = _resolvedType; 364 componentSpecified = _componentSpecified; 365 configuration = _configuration; 366 resultTo = _resultTo; 367 resultWho = _resultWho; 368 requestCode = _reqCode; 369 state = ActivityState.INITIALIZING; 370 frontOfTask = false; 371 launchFailed = false; 372 stopped = false; 373 delayedResume = false; 374 finishing = false; 375 configDestroy = false; 376 keysPaused = false; 377 inHistory = false; 378 visible = true; 379 waitingVisible = false; 380 nowVisible = false; 381 thumbnailNeeded = false; 382 idle = false; 383 hasBeenLaunched = false; 384 mStackSupervisor = supervisor; 385 mInitialActivityContainer = container; 386 387 // This starts out true, since the initial state of an activity 388 // is that we have everything, and we shouldn't never consider it 389 // lacking in state to be removed if it dies. 390 haveState = true; 391 392 if (aInfo != null) { 393 if (aInfo.targetActivity == null 394 || aInfo.launchMode == ActivityInfo.LAUNCH_MULTIPLE 395 || aInfo.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) { 396 realActivity = _intent.getComponent(); 397 } else { 398 realActivity = new ComponentName(aInfo.packageName, 399 aInfo.targetActivity); 400 } 401 taskAffinity = aInfo.taskAffinity; 402 stateNotNeeded = (aInfo.flags& 403 ActivityInfo.FLAG_STATE_NOT_NEEDED) != 0; 404 baseDir = aInfo.applicationInfo.sourceDir; 405 resDir = aInfo.applicationInfo.publicSourceDir; 406 dataDir = aInfo.applicationInfo.dataDir; 407 nonLocalizedLabel = aInfo.nonLocalizedLabel; 408 labelRes = aInfo.labelRes; 409 if (nonLocalizedLabel == null && labelRes == 0) { 410 ApplicationInfo app = aInfo.applicationInfo; 411 nonLocalizedLabel = app.nonLocalizedLabel; 412 labelRes = app.labelRes; 413 } 414 icon = aInfo.getIconResource(); 415 logo = aInfo.getLogoResource(); 416 theme = aInfo.getThemeResource(); 417 realTheme = theme; 418 if (realTheme == 0) { 419 realTheme = aInfo.applicationInfo.targetSdkVersion 420 < Build.VERSION_CODES.HONEYCOMB 421 ? android.R.style.Theme 422 : android.R.style.Theme_Holo; 423 } 424 if ((aInfo.flags&ActivityInfo.FLAG_HARDWARE_ACCELERATED) != 0) { 425 windowFlags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; 426 } 427 if ((aInfo.flags&ActivityInfo.FLAG_MULTIPROCESS) != 0 428 && _caller != null 429 && (aInfo.applicationInfo.uid == Process.SYSTEM_UID 430 || aInfo.applicationInfo.uid == _caller.info.uid)) { 431 processName = _caller.processName; 432 } else { 433 processName = aInfo.processName; 434 } 435 436 if (intent != null && (aInfo.flags & ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS) != 0) { 437 intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 438 } 439 440 packageName = aInfo.applicationInfo.packageName; 441 launchMode = aInfo.launchMode; 442 443 AttributeCache.Entry ent = AttributeCache.instance().get(packageName, 444 realTheme, com.android.internal.R.styleable.Window, userId); 445 fullscreen = ent != null && !ent.array.getBoolean( 446 com.android.internal.R.styleable.Window_windowIsFloating, false) 447 && !ent.array.getBoolean( 448 com.android.internal.R.styleable.Window_windowIsTranslucent, false); 449 noDisplay = ent != null && ent.array.getBoolean( 450 com.android.internal.R.styleable.Window_windowNoDisplay, false); 451 452 if ((!_componentSpecified || _launchedFromUid == Process.myUid() 453 || _launchedFromUid == 0) && 454 Intent.ACTION_MAIN.equals(_intent.getAction()) && 455 _intent.hasCategory(Intent.CATEGORY_HOME) && 456 _intent.getCategories().size() == 1 && 457 _intent.getData() == null && 458 _intent.getType() == null && 459 (intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0 && 460 isNotResolverActivity()) { 461 // This sure looks like a home activity! 462 mActivityType = HOME_ACTIVITY_TYPE; 463 } else if (realActivity.getClassName().contains(RECENTS_PACKAGE_NAME)) { 464 mActivityType = RECENTS_ACTIVITY_TYPE; 465 } else { 466 mActivityType = APPLICATION_ACTIVITY_TYPE; 467 } 468 469 immersive = (aInfo.flags & ActivityInfo.FLAG_IMMERSIVE) != 0; 470 } else { 471 realActivity = null; 472 taskAffinity = null; 473 stateNotNeeded = false; 474 baseDir = null; 475 resDir = null; 476 dataDir = null; 477 processName = null; 478 packageName = null; 479 fullscreen = true; 480 noDisplay = false; 481 mActivityType = APPLICATION_ACTIVITY_TYPE; 482 immersive = false; 483 } 484 } 485 486 void setTask(TaskRecord newTask, ThumbnailHolder newThumbHolder, boolean isRoot) { 487 if (task != null && task.removeActivity(this)) { 488 if (task != newTask) { 489 task.stack.removeTask(task); 490 } else { 491 Slog.d(TAG, "!!! REMOVE THIS LOG !!! setTask: nearly removed stack=" + 492 (newTask == null ? null : newTask.stack)); 493 } 494 } 495 if (inHistory && !finishing) { 496 if (task != null) { 497 task.numActivities--; 498 } 499 if (newTask != null) { 500 newTask.numActivities++; 501 } 502 } 503 if (newThumbHolder == null) { 504 newThumbHolder = newTask; 505 } 506 task = newTask; 507 if (!isRoot && (intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) { 508 // This is the start of a new sub-task. 509 if (thumbHolder == null) { 510 thumbHolder = new ThumbnailHolder(); 511 } 512 } else { 513 thumbHolder = newThumbHolder; 514 } 515 } 516 517 boolean changeWindowTranslucency(boolean toOpaque) { 518 if (fullscreen == toOpaque) { 519 return false; 520 } 521 AttributeCache.Entry ent = 522 AttributeCache.instance().get(packageName, realTheme, styleable.Window, userId); 523 if (ent == null 524 || !ent.array.getBoolean(styleable.Window_windowIsTranslucent, false) 525 || ent.array.getBoolean(styleable.Window_windowIsFloating, false)) { 526 return false; 527 } 528 529 // Keep track of the number of fullscreen activities in this task. 530 task.numFullscreen += toOpaque ? +1 : -1; 531 532 fullscreen = toOpaque; 533 return true; 534 } 535 536 void putInHistory() { 537 if (!inHistory) { 538 inHistory = true; 539 if (task != null && !finishing) { 540 task.numActivities++; 541 } 542 } 543 } 544 545 void takeFromHistory() { 546 if (inHistory) { 547 inHistory = false; 548 if (task != null && !finishing) { 549 task.numActivities--; 550 task = null; 551 } 552 clearOptionsLocked(); 553 } 554 } 555 556 boolean isInHistory() { 557 return inHistory; 558 } 559 560 boolean isHomeActivity() { 561 return mActivityType == HOME_ACTIVITY_TYPE; 562 } 563 564 boolean isRecentsActivity() { 565 return mActivityType == RECENTS_ACTIVITY_TYPE; 566 } 567 568 boolean isApplicationActivity() { 569 return mActivityType == APPLICATION_ACTIVITY_TYPE; 570 } 571 572 void makeFinishing() { 573 if (!finishing) { 574 finishing = true; 575 if (task != null && inHistory) { 576 task.numActivities--; 577 } 578 if (stopped) { 579 clearOptionsLocked(); 580 } 581 } 582 } 583 584 boolean isRootActivity() { 585 final ArrayList<ActivityRecord> activities = task.mActivities; 586 return activities.size() == 0 || this == activities.get(0); 587 } 588 589 UriPermissionOwner getUriPermissionsLocked() { 590 if (uriPermissions == null) { 591 uriPermissions = new UriPermissionOwner(service, this); 592 } 593 return uriPermissions; 594 } 595 596 void addResultLocked(ActivityRecord from, String resultWho, 597 int requestCode, int resultCode, 598 Intent resultData) { 599 ActivityResult r = new ActivityResult(from, resultWho, 600 requestCode, resultCode, resultData); 601 if (results == null) { 602 results = new ArrayList<ResultInfo>(); 603 } 604 results.add(r); 605 } 606 607 void removeResultsLocked(ActivityRecord from, String resultWho, 608 int requestCode) { 609 if (results != null) { 610 for (int i=results.size()-1; i>=0; i--) { 611 ActivityResult r = (ActivityResult)results.get(i); 612 if (r.mFrom != from) continue; 613 if (r.mResultWho == null) { 614 if (resultWho != null) continue; 615 } else { 616 if (!r.mResultWho.equals(resultWho)) continue; 617 } 618 if (r.mRequestCode != requestCode) continue; 619 620 results.remove(i); 621 } 622 } 623 } 624 625 void addNewIntentLocked(Intent intent) { 626 if (newIntents == null) { 627 newIntents = new ArrayList<Intent>(); 628 } 629 newIntents.add(intent); 630 } 631 632 /** 633 * Deliver a new Intent to an existing activity, so that its onNewIntent() 634 * method will be called at the proper time. 635 */ 636 final void deliverNewIntentLocked(int callingUid, Intent intent) { 637 // The activity now gets access to the data associated with this Intent. 638 service.grantUriPermissionFromIntentLocked(callingUid, packageName, 639 intent, getUriPermissionsLocked()); 640 // We want to immediately deliver the intent to the activity if 641 // it is currently the top resumed activity... however, if the 642 // device is sleeping, then all activities are stopped, so in that 643 // case we will deliver it if this is the current top activity on its 644 // stack. 645 boolean unsent = true; 646 if ((state == ActivityState.RESUMED || (service.mSleeping 647 && task.stack.topRunningActivityLocked(null) == this)) 648 && app != null && app.thread != null) { 649 try { 650 ArrayList<Intent> ar = new ArrayList<Intent>(); 651 intent = new Intent(intent); 652 ar.add(intent); 653 app.thread.scheduleNewIntent(ar, appToken); 654 unsent = false; 655 } catch (RemoteException e) { 656 Slog.w(ActivityManagerService.TAG, 657 "Exception thrown sending new intent to " + this, e); 658 } catch (NullPointerException e) { 659 Slog.w(ActivityManagerService.TAG, 660 "Exception thrown sending new intent to " + this, e); 661 } 662 } 663 if (unsent) { 664 addNewIntentLocked(new Intent(intent)); 665 } 666 } 667 668 void updateOptionsLocked(Bundle options) { 669 if (options != null) { 670 if (pendingOptions != null) { 671 pendingOptions.abort(); 672 } 673 pendingOptions = new ActivityOptions(options); 674 } 675 } 676 677 void updateOptionsLocked(ActivityOptions options) { 678 if (options != null) { 679 if (pendingOptions != null) { 680 pendingOptions.abort(); 681 } 682 pendingOptions = options; 683 } 684 } 685 686 void applyOptionsLocked() { 687 if (pendingOptions != null) { 688 final int animationType = pendingOptions.getAnimationType(); 689 switch (animationType) { 690 case ActivityOptions.ANIM_CUSTOM: 691 service.mWindowManager.overridePendingAppTransition( 692 pendingOptions.getPackageName(), 693 pendingOptions.getCustomEnterResId(), 694 pendingOptions.getCustomExitResId(), 695 pendingOptions.getOnAnimationStartListener()); 696 break; 697 case ActivityOptions.ANIM_SCALE_UP: 698 service.mWindowManager.overridePendingAppTransitionScaleUp( 699 pendingOptions.getStartX(), pendingOptions.getStartY(), 700 pendingOptions.getStartWidth(), pendingOptions.getStartHeight()); 701 if (intent.getSourceBounds() == null) { 702 intent.setSourceBounds(new Rect(pendingOptions.getStartX(), 703 pendingOptions.getStartY(), 704 pendingOptions.getStartX()+pendingOptions.getStartWidth(), 705 pendingOptions.getStartY()+pendingOptions.getStartHeight())); 706 } 707 break; 708 case ActivityOptions.ANIM_THUMBNAIL_SCALE_UP: 709 case ActivityOptions.ANIM_THUMBNAIL_SCALE_DOWN: 710 boolean scaleUp = (animationType == ActivityOptions.ANIM_THUMBNAIL_SCALE_UP); 711 service.mWindowManager.overridePendingAppTransitionThumb( 712 pendingOptions.getThumbnail(), 713 pendingOptions.getStartX(), pendingOptions.getStartY(), 714 pendingOptions.getOnAnimationStartListener(), 715 scaleUp); 716 if (intent.getSourceBounds() == null) { 717 intent.setSourceBounds(new Rect(pendingOptions.getStartX(), 718 pendingOptions.getStartY(), 719 pendingOptions.getStartX() 720 + pendingOptions.getThumbnail().getWidth(), 721 pendingOptions.getStartY() 722 + pendingOptions.getThumbnail().getHeight())); 723 } 724 break; 725 } 726 pendingOptions = null; 727 } 728 } 729 730 void clearOptionsLocked() { 731 if (pendingOptions != null) { 732 pendingOptions.abort(); 733 pendingOptions = null; 734 } 735 } 736 737 ActivityOptions takeOptionsLocked() { 738 ActivityOptions opts = pendingOptions; 739 pendingOptions = null; 740 return opts; 741 } 742 743 void removeUriPermissionsLocked() { 744 if (uriPermissions != null) { 745 uriPermissions.removeUriPermissionsLocked(); 746 uriPermissions = null; 747 } 748 } 749 750 void pauseKeyDispatchingLocked() { 751 if (!keysPaused) { 752 keysPaused = true; 753 service.mWindowManager.pauseKeyDispatching(appToken); 754 } 755 } 756 757 void resumeKeyDispatchingLocked() { 758 if (keysPaused) { 759 keysPaused = false; 760 service.mWindowManager.resumeKeyDispatching(appToken); 761 } 762 } 763 764 void updateThumbnail(Bitmap newThumbnail, CharSequence description) { 765 if (thumbHolder != null) { 766 if (newThumbnail != null) { 767 if (ActivityManagerService.DEBUG_THUMBNAILS) Slog.i(ActivityManagerService.TAG, 768 "Setting thumbnail of " + this + " holder " + thumbHolder 769 + " to " + newThumbnail); 770 thumbHolder.lastThumbnail = newThumbnail; 771 } 772 thumbHolder.lastDescription = description; 773 } 774 } 775 776 void startLaunchTickingLocked() { 777 if (ActivityManagerService.IS_USER_BUILD) { 778 return; 779 } 780 if (launchTickTime == 0) { 781 launchTickTime = SystemClock.uptimeMillis(); 782 continueLaunchTickingLocked(); 783 } 784 } 785 786 boolean continueLaunchTickingLocked() { 787 if (launchTickTime != 0) { 788 final ActivityStack stack = task.stack; 789 Message msg = stack.mHandler.obtainMessage(ActivityStack.LAUNCH_TICK_MSG, this); 790 stack.mHandler.removeMessages(ActivityStack.LAUNCH_TICK_MSG); 791 stack.mHandler.sendMessageDelayed(msg, ActivityStack.LAUNCH_TICK); 792 return true; 793 } 794 return false; 795 } 796 797 void finishLaunchTickingLocked() { 798 launchTickTime = 0; 799 task.stack.mHandler.removeMessages(ActivityStack.LAUNCH_TICK_MSG); 800 } 801 802 // IApplicationToken 803 804 public boolean mayFreezeScreenLocked(ProcessRecord app) { 805 // Only freeze the screen if this activity is currently attached to 806 // an application, and that application is not blocked or unresponding. 807 // In any other case, we can't count on getting the screen unfrozen, 808 // so it is best to leave as-is. 809 return app != null && !app.crashing && !app.notResponding; 810 } 811 812 public void startFreezingScreenLocked(ProcessRecord app, int configChanges) { 813 if (mayFreezeScreenLocked(app)) { 814 service.mWindowManager.startAppFreezingScreen(appToken, configChanges); 815 } 816 } 817 818 public void stopFreezingScreenLocked(boolean force) { 819 if (force || frozenBeforeDestroy) { 820 frozenBeforeDestroy = false; 821 service.mWindowManager.stopAppFreezingScreen(appToken, force); 822 } 823 } 824 825 public void reportFullyDrawnLocked() { 826 final long curTime = SystemClock.uptimeMillis(); 827 if (displayStartTime != 0) { 828 reportLaunchTimeLocked(curTime); 829 } 830 if (fullyDrawnStartTime != 0) { 831 final ActivityStack stack = task.stack; 832 final long thisTime = curTime - fullyDrawnStartTime; 833 final long totalTime = stack.mFullyDrawnStartTime != 0 834 ? (curTime - stack.mFullyDrawnStartTime) : thisTime; 835 if (ActivityManagerService.SHOW_ACTIVITY_START_TIME) { 836 Trace.asyncTraceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER, "drawing", 0); 837 EventLog.writeEvent(EventLogTags.AM_ACTIVITY_FULLY_DRAWN_TIME, 838 userId, System.identityHashCode(this), shortComponentName, 839 thisTime, totalTime); 840 StringBuilder sb = service.mStringBuilder; 841 sb.setLength(0); 842 sb.append("Fully drawn "); 843 sb.append(shortComponentName); 844 sb.append(": "); 845 TimeUtils.formatDuration(thisTime, sb); 846 if (thisTime != totalTime) { 847 sb.append(" (total "); 848 TimeUtils.formatDuration(totalTime, sb); 849 sb.append(")"); 850 } 851 Log.i(ActivityManagerService.TAG, sb.toString()); 852 } 853 if (totalTime > 0) { 854 service.mUsageStatsService.noteFullyDrawnTime(realActivity, (int) totalTime); 855 } 856 fullyDrawnStartTime = 0; 857 stack.mFullyDrawnStartTime = 0; 858 } 859 } 860 861 private void reportLaunchTimeLocked(final long curTime) { 862 final ActivityStack stack = task.stack; 863 final long thisTime = curTime - displayStartTime; 864 final long totalTime = stack.mLaunchStartTime != 0 865 ? (curTime - stack.mLaunchStartTime) : thisTime; 866 if (ActivityManagerService.SHOW_ACTIVITY_START_TIME) { 867 Trace.asyncTraceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER, "launching", 0); 868 EventLog.writeEvent(EventLogTags.AM_ACTIVITY_LAUNCH_TIME, 869 userId, System.identityHashCode(this), shortComponentName, 870 thisTime, totalTime); 871 StringBuilder sb = service.mStringBuilder; 872 sb.setLength(0); 873 sb.append("Displayed "); 874 sb.append(shortComponentName); 875 sb.append(": "); 876 TimeUtils.formatDuration(thisTime, sb); 877 if (thisTime != totalTime) { 878 sb.append(" (total "); 879 TimeUtils.formatDuration(totalTime, sb); 880 sb.append(")"); 881 } 882 Log.i(ActivityManagerService.TAG, sb.toString()); 883 } 884 mStackSupervisor.reportActivityLaunchedLocked(false, this, thisTime, totalTime); 885 if (totalTime > 0) { 886 service.mUsageStatsService.noteLaunchTime(realActivity, (int)totalTime); 887 } 888 displayStartTime = 0; 889 stack.mLaunchStartTime = 0; 890 } 891 892 public void windowsDrawn() { 893 synchronized(service) { 894 if (displayStartTime != 0) { 895 reportLaunchTimeLocked(SystemClock.uptimeMillis()); 896 } 897 startTime = 0; 898 finishLaunchTickingLocked(); 899 } 900 } 901 902 public void windowsVisible() { 903 synchronized(service) { 904 mStackSupervisor.reportActivityVisibleLocked(this); 905 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 906 ActivityManagerService.TAG, "windowsVisible(): " + this); 907 if (!nowVisible) { 908 nowVisible = true; 909 lastVisibleTime = SystemClock.uptimeMillis(); 910 if (!idle) { 911 // Instead of doing the full stop routine here, let's just 912 // hide any activities we now can, and let them stop when 913 // the normal idle happens. 914 mStackSupervisor.processStoppingActivitiesLocked(false); 915 } else { 916 // If this activity was already idle, then we now need to 917 // make sure we perform the full stop of any activities 918 // that are waiting to do so. This is because we won't 919 // do that while they are still waiting for this one to 920 // become visible. 921 final int N = mStackSupervisor.mWaitingVisibleActivities.size(); 922 if (N > 0) { 923 for (int i=0; i<N; i++) { 924 ActivityRecord r = mStackSupervisor.mWaitingVisibleActivities.get(i); 925 r.waitingVisible = false; 926 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 927 ActivityManagerService.TAG, 928 "Was waiting for visible: " + r); 929 } 930 mStackSupervisor.mWaitingVisibleActivities.clear(); 931 mStackSupervisor.scheduleIdleLocked(); 932 } 933 } 934 service.scheduleAppGcsLocked(); 935 } 936 } 937 } 938 939 public void windowsGone() { 940 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 941 ActivityManagerService.TAG, "windowsGone(): " + this); 942 nowVisible = false; 943 } 944 945 private ActivityRecord getWaitingHistoryRecordLocked() { 946 // First find the real culprit... if we are waiting 947 // for another app to start, then we have paused dispatching 948 // for this activity. 949 ActivityRecord r = this; 950 final ActivityStack stack = task.stack; 951 if (r.waitingVisible) { 952 // Hmmm, who might we be waiting for? 953 r = stack.mResumedActivity; 954 if (r == null) { 955 r = stack.mPausingActivity; 956 } 957 // Both of those null? Fall back to 'this' again 958 if (r == null) { 959 r = this; 960 } 961 } 962 963 return r; 964 } 965 966 public boolean keyDispatchingTimedOut(String reason) { 967 ActivityRecord r; 968 ProcessRecord anrApp; 969 synchronized(service) { 970 r = getWaitingHistoryRecordLocked(); 971 anrApp = r != null ? r.app : null; 972 } 973 return service.inputDispatchingTimedOut(anrApp, r, this, false, reason); 974 } 975 976 /** Returns the key dispatching timeout for this application token. */ 977 public long getKeyDispatchingTimeout() { 978 synchronized(service) { 979 ActivityRecord r = getWaitingHistoryRecordLocked(); 980 return ActivityManagerService.getInputDispatchingTimeoutLocked(r); 981 } 982 } 983 984 /** 985 * This method will return true if the activity is either visible, is becoming visible, is 986 * currently pausing, or is resumed. 987 */ 988 public boolean isInterestingToUserLocked() { 989 return visible || nowVisible || state == ActivityState.PAUSING || 990 state == ActivityState.RESUMED; 991 } 992 993 public void setSleeping(boolean _sleeping) { 994 if (sleeping == _sleeping) { 995 return; 996 } 997 if (app != null && app.thread != null) { 998 try { 999 app.thread.scheduleSleeping(appToken, _sleeping); 1000 if (_sleeping && !mStackSupervisor.mGoingToSleepActivities.contains(this)) { 1001 mStackSupervisor.mGoingToSleepActivities.add(this); 1002 } 1003 sleeping = _sleeping; 1004 } catch (RemoteException e) { 1005 Slog.w(TAG, "Exception thrown when sleeping: " + intent.getComponent(), e); 1006 } 1007 } 1008 } 1009 1010 static void activityResumedLocked(IBinder token) { 1011 final ActivityRecord r = ActivityRecord.forToken(token); 1012 if (DEBUG_SAVED_STATE) Slog.i(TAG, "Resumed activity; dropping state of: " + r); 1013 r.icicle = null; 1014 r.haveState = false; 1015 } 1016 1017 static int getTaskForActivityLocked(IBinder token, boolean onlyRoot) { 1018 final ActivityRecord r = ActivityRecord.forToken(token); 1019 if (r == null) { 1020 return -1; 1021 } 1022 final TaskRecord task = r.task; 1023 switch (task.mActivities.indexOf(r)) { 1024 case -1: return -1; 1025 case 0: return task.taskId; 1026 default: return onlyRoot ? -1 : task.taskId; 1027 } 1028 } 1029 1030 static ActivityRecord isInStackLocked(IBinder token) { 1031 final ActivityRecord r = ActivityRecord.forToken(token); 1032 if (r != null) { 1033 return r.task.stack.isInStackLocked(token); 1034 } 1035 return null; 1036 } 1037 1038 static ActivityStack getStackLocked(IBinder token) { 1039 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 1040 if (r != null) { 1041 return r.task.stack; 1042 } 1043 return null; 1044 } 1045 1046 private String activityTypeToString(int type) { 1047 switch (type) { 1048 case APPLICATION_ACTIVITY_TYPE: return "APPLICATION_ACTIVITY_TYPE"; 1049 case HOME_ACTIVITY_TYPE: return "HOME_ACTIVITY_TYPE"; 1050 case RECENTS_ACTIVITY_TYPE: return "RECENTS_ACTIVITY_TYPE"; 1051 default: return Integer.toString(type); 1052 } 1053 } 1054 1055 @Override 1056 public String toString() { 1057 if (stringName != null) { 1058 return stringName + " t" + (task == null ? -1 : task.taskId) + 1059 (finishing ? " f}" : "}"); 1060 } 1061 StringBuilder sb = new StringBuilder(128); 1062 sb.append("ActivityRecord{"); 1063 sb.append(Integer.toHexString(System.identityHashCode(this))); 1064 sb.append(" u"); 1065 sb.append(userId); 1066 sb.append(' '); 1067 sb.append(intent.getComponent().flattenToShortString()); 1068 stringName = sb.toString(); 1069 return toString(); 1070 } 1071} 1072