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 17 package com.android.server.am; 18 19 import android.os.Trace; 20 import com.android.internal.R.styleable; 21 import com.android.internal.app.ResolverActivity; 22 import com.android.server.AttributeCache; 23 import com.android.server.am.ActivityStack.ActivityState; 24 25 import android.app.ActivityOptions; 26 import android.app.ResultInfo; 27 import android.content.ComponentName; 28 import android.content.Intent; 29 import android.content.pm.ActivityInfo; 30 import android.content.pm.ApplicationInfo; 31 import android.content.res.CompatibilityInfo; 32 import android.content.res.Configuration; 33 import android.graphics.Bitmap; 34 import android.graphics.Rect; 35 import android.os.Build; 36 import android.os.Bundle; 37 import android.os.IBinder; 38 import android.os.Message; 39 import android.os.Process; 40 import android.os.RemoteException; 41 import android.os.SystemClock; 42 import android.os.UserHandle; 43 import android.util.EventLog; 44 import android.util.Log; 45 import android.util.Slog; 46 import android.util.TimeUtils; 47 import android.view.IApplicationToken; 48 import android.view.WindowManager; 49 50 import java.io.PrintWriter; 51 import java.lang.ref.WeakReference; 52 import java.util.ArrayList; 53 import java.util.HashSet; 54 55 /** 56 * An entry in the history stack, representing an activity. 57 */ 58 final class ActivityRecord { 59 static final String TAG = ActivityManagerService.TAG; 60 static final boolean DEBUG_SAVED_STATE = ActivityStackSupervisor.DEBUG_SAVED_STATE; 61 final public static String RECENTS_PACKAGE_NAME = "com.android.systemui.recent"; 62 63 final ActivityManagerService service; // owner 64 final IApplicationToken.Stub appToken; // window manager token 65 final ActivityInfo info; // all about me 66 final int launchedFromUid; // always the uid who started the activity. 67 final String launchedFromPackage; // always the package who started the activity. 68 final int userId; // Which user is this running for? 69 final Intent intent; // the original intent that generated us 70 final ComponentName realActivity; // the intent component, or target of an alias. 71 final String shortComponentName; // the short component name of the intent 72 final String resolvedType; // as per original caller; 73 final String packageName; // the package implementing intent's component 74 final String processName; // process where this component wants to run 75 final String taskAffinity; // as per ActivityInfo.taskAffinity 76 final boolean stateNotNeeded; // As per ActivityInfo.flags 77 boolean fullscreen; // covers the full screen? 78 final boolean noDisplay; // activity is not displayed? 79 final boolean componentSpecified; // did caller specifiy an explicit component? 80 81 static final int APPLICATION_ACTIVITY_TYPE = 0; 82 static final int HOME_ACTIVITY_TYPE = 1; 83 static final int RECENTS_ACTIVITY_TYPE = 2; 84 int mActivityType; 85 86 final String baseDir; // where activity source (resources etc) located 87 final String resDir; // where public activity source (public resources etc) located 88 final String dataDir; // where activity data should go 89 CharSequence nonLocalizedLabel; // the label information from the package mgr. 90 int labelRes; // the label information from the package mgr. 91 int icon; // resource identifier of activity's icon. 92 int logo; // resource identifier of activity's logo. 93 int theme; // resource identifier of activity's theme. 94 int realTheme; // actual theme resource we will use, never 0. 95 int windowFlags; // custom window flags for preview window. 96 TaskRecord task; // the task this is in. 97 ThumbnailHolder thumbHolder; // where our thumbnails should go. 98 long displayStartTime; // when we started launching this activity 99 long fullyDrawnStartTime; // when we started launching this activity 100 long startTime; // last time this activity was started 101 long lastVisibleTime; // last time this activity became visible 102 long cpuTimeAtResume; // the cpu time of host process at the time of resuming activity 103 long pauseTime; // last time we started pausing the activity 104 long launchTickTime; // base time for launch tick messages 105 Configuration configuration; // configuration activity was last running in 106 CompatibilityInfo compat;// last used compatibility mode 107 ActivityRecord resultTo; // who started this entry, so will get our reply 108 final String resultWho; // additional identifier for use by resultTo. 109 final int requestCode; // code given by requester (resultTo) 110 ArrayList<ResultInfo> results; // pending ActivityResult objs we have received 111 HashSet<WeakReference<PendingIntentRecord>> pendingResults; // all pending intents for this act 112 ArrayList<Intent> newIntents; // any pending new intents for single-top mode 113 ActivityOptions pendingOptions; // most recently given options 114 HashSet<ConnectionRecord> connections; // All ConnectionRecord we hold 115 UriPermissionOwner uriPermissions; // current special URI access perms. 116 ProcessRecord app; // if non-null, hosting application 117 ActivityState state; // current state we are in 118 Bundle icicle; // last saved activity state 119 boolean frontOfTask; // is this the root activity of its task? 120 boolean launchFailed; // set if a launched failed, to abort on 2nd try 121 boolean haveState; // have we gotten the last activity state? 122 boolean stopped; // is activity pause finished? 123 boolean delayedResume; // not yet resumed because of stopped app switches? 124 boolean finishing; // activity in pending finish list? 125 boolean configDestroy; // need to destroy due to config change? 126 int configChangeFlags; // which config values have changed 127 boolean keysPaused; // has key dispatching been paused for it? 128 int launchMode; // the launch mode activity attribute. 129 boolean visible; // does this activity's window need to be shown? 130 boolean sleeping; // have we told the activity to sleep? 131 boolean waitingVisible; // true if waiting for a new act to become vis 132 boolean nowVisible; // is this activity's window visible? 133 boolean thumbnailNeeded;// has someone requested a thumbnail? 134 boolean idle; // has the activity gone idle? 135 boolean hasBeenLaunched;// has this activity ever been launched? 136 boolean frozenBeforeDestroy;// has been frozen but not yet destroyed. 137 boolean immersive; // immersive mode (don't interrupt if possible) 138 boolean forceNewConfig; // force re-create with new config next time 139 int launchCount; // count of launches since last state 140 long lastLaunchTime; // time of last lauch of this activity 141 142 String stringName; // for caching of toString(). 143 144 private boolean inHistory; // are we in the history stack? 145 final ActivityStackSupervisor mStackSupervisor; 146 dump(PrintWriter pw, String prefix)147 void dump(PrintWriter pw, String prefix) { 148 final long now = SystemClock.uptimeMillis(); 149 pw.print(prefix); pw.print("packageName="); pw.print(packageName); 150 pw.print(" processName="); pw.println(processName); 151 pw.print(prefix); pw.print("launchedFromUid="); pw.print(launchedFromUid); 152 pw.print(" launchedFromPackage="); pw.print(launchedFromPackage); 153 pw.print(" userId="); pw.println(userId); 154 pw.print(prefix); pw.print("app="); pw.println(app); 155 pw.print(prefix); pw.println(intent.toInsecureStringWithClip()); 156 pw.print(prefix); pw.print("frontOfTask="); pw.print(frontOfTask); 157 pw.print(" task="); pw.println(task); 158 pw.print(prefix); pw.print("taskAffinity="); pw.println(taskAffinity); 159 pw.print(prefix); pw.print("realActivity="); 160 pw.println(realActivity.flattenToShortString()); 161 pw.print(prefix); pw.print("baseDir="); pw.println(baseDir); 162 if (!resDir.equals(baseDir)) { 163 pw.print(prefix); pw.print("resDir="); pw.println(resDir); 164 } 165 pw.print(prefix); pw.print("dataDir="); pw.println(dataDir); 166 pw.print(prefix); pw.print("stateNotNeeded="); pw.print(stateNotNeeded); 167 pw.print(" componentSpecified="); pw.print(componentSpecified); 168 pw.print(" mActivityType="); pw.println(mActivityType); 169 pw.print(prefix); pw.print("compat="); pw.print(compat); 170 pw.print(" labelRes=0x"); pw.print(Integer.toHexString(labelRes)); 171 pw.print(" icon=0x"); pw.print(Integer.toHexString(icon)); 172 pw.print(" theme=0x"); pw.println(Integer.toHexString(theme)); 173 pw.print(prefix); pw.print("config="); pw.println(configuration); 174 if (resultTo != null || resultWho != null) { 175 pw.print(prefix); pw.print("resultTo="); pw.print(resultTo); 176 pw.print(" resultWho="); pw.print(resultWho); 177 pw.print(" resultCode="); pw.println(requestCode); 178 } 179 if (results != null) { 180 pw.print(prefix); pw.print("results="); pw.println(results); 181 } 182 if (pendingResults != null && pendingResults.size() > 0) { 183 pw.print(prefix); pw.println("Pending Results:"); 184 for (WeakReference<PendingIntentRecord> wpir : pendingResults) { 185 PendingIntentRecord pir = wpir != null ? wpir.get() : null; 186 pw.print(prefix); pw.print(" - "); 187 if (pir == null) { 188 pw.println("null"); 189 } else { 190 pw.println(pir); 191 pir.dump(pw, prefix + " "); 192 } 193 } 194 } 195 if (newIntents != null && newIntents.size() > 0) { 196 pw.print(prefix); pw.println("Pending New Intents:"); 197 for (int i=0; i<newIntents.size(); i++) { 198 Intent intent = newIntents.get(i); 199 pw.print(prefix); pw.print(" - "); 200 if (intent == null) { 201 pw.println("null"); 202 } else { 203 pw.println(intent.toShortString(false, true, false, true)); 204 } 205 } 206 } 207 if (pendingOptions != null) { 208 pw.print(prefix); pw.print("pendingOptions="); pw.println(pendingOptions); 209 } 210 if (uriPermissions != null) { 211 if (uriPermissions.readUriPermissions != null) { 212 pw.print(prefix); pw.print("readUriPermissions="); 213 pw.println(uriPermissions.readUriPermissions); 214 } 215 if (uriPermissions.writeUriPermissions != null) { 216 pw.print(prefix); pw.print("writeUriPermissions="); 217 pw.println(uriPermissions.writeUriPermissions); 218 } 219 } 220 pw.print(prefix); pw.print("launchFailed="); pw.print(launchFailed); 221 pw.print(" launchCount="); pw.print(launchCount); 222 pw.print(" lastLaunchTime="); 223 if (lastLaunchTime == 0) pw.print("0"); 224 else TimeUtils.formatDuration(lastLaunchTime, now, pw); 225 pw.println(); 226 pw.print(prefix); pw.print("haveState="); pw.print(haveState); 227 pw.print(" icicle="); pw.println(icicle); 228 pw.print(prefix); pw.print("state="); pw.print(state); 229 pw.print(" stopped="); pw.print(stopped); 230 pw.print(" delayedResume="); pw.print(delayedResume); 231 pw.print(" finishing="); pw.println(finishing); 232 pw.print(prefix); pw.print("keysPaused="); pw.print(keysPaused); 233 pw.print(" inHistory="); pw.print(inHistory); 234 pw.print(" visible="); pw.print(visible); 235 pw.print(" sleeping="); pw.print(sleeping); 236 pw.print(" idle="); pw.println(idle); 237 pw.print(prefix); pw.print("fullscreen="); pw.print(fullscreen); 238 pw.print(" noDisplay="); pw.print(noDisplay); 239 pw.print(" immersive="); pw.print(immersive); 240 pw.print(" launchMode="); pw.println(launchMode); 241 pw.print(prefix); pw.print("frozenBeforeDestroy="); pw.print(frozenBeforeDestroy); 242 pw.print(" thumbnailNeeded="); pw.print(thumbnailNeeded); 243 pw.print(" forceNewConfig="); pw.println(forceNewConfig); 244 pw.print(prefix); pw.print("mActivityType="); 245 pw.println(activityTypeToString(mActivityType)); 246 pw.print(prefix); pw.print("thumbHolder: "); 247 pw.print(Integer.toHexString(System.identityHashCode(thumbHolder))); 248 if (thumbHolder != null) { 249 pw.print(" bm="); pw.print(thumbHolder.lastThumbnail); 250 pw.print(" desc="); pw.print(thumbHolder.lastDescription); 251 } 252 pw.println(); 253 if (displayStartTime != 0 || startTime != 0) { 254 pw.print(prefix); pw.print("displayStartTime="); 255 if (displayStartTime == 0) pw.print("0"); 256 else TimeUtils.formatDuration(displayStartTime, now, pw); 257 pw.print(" startTime="); 258 if (startTime == 0) pw.print("0"); 259 else TimeUtils.formatDuration(startTime, now, pw); 260 pw.println(); 261 } 262 if (lastVisibleTime != 0 || waitingVisible || nowVisible) { 263 pw.print(prefix); pw.print("waitingVisible="); pw.print(waitingVisible); 264 pw.print(" nowVisible="); pw.print(nowVisible); 265 pw.print(" lastVisibleTime="); 266 if (lastVisibleTime == 0) pw.print("0"); 267 else TimeUtils.formatDuration(lastVisibleTime, now, pw); 268 pw.println(); 269 } 270 if (configDestroy || configChangeFlags != 0) { 271 pw.print(prefix); pw.print("configDestroy="); pw.print(configDestroy); 272 pw.print(" configChangeFlags="); 273 pw.println(Integer.toHexString(configChangeFlags)); 274 } 275 if (connections != null) { 276 pw.print(prefix); pw.print("connections="); pw.println(connections); 277 } 278 } 279 280 static class Token extends IApplicationToken.Stub { 281 final WeakReference<ActivityRecord> weakActivity; 282 Token(ActivityRecord activity)283 Token(ActivityRecord activity) { 284 weakActivity = new WeakReference<ActivityRecord>(activity); 285 } 286 windowsDrawn()287 @Override public void windowsDrawn() { 288 ActivityRecord activity = weakActivity.get(); 289 if (activity != null) { 290 activity.windowsDrawn(); 291 } 292 } 293 windowsVisible()294 @Override public void windowsVisible() { 295 ActivityRecord activity = weakActivity.get(); 296 if (activity != null) { 297 activity.windowsVisible(); 298 } 299 } 300 windowsGone()301 @Override public void windowsGone() { 302 ActivityRecord activity = weakActivity.get(); 303 if (activity != null) { 304 activity.windowsGone(); 305 } 306 } 307 keyDispatchingTimedOut(String reason)308 @Override public boolean keyDispatchingTimedOut(String reason) { 309 ActivityRecord activity = weakActivity.get(); 310 return activity != null && activity.keyDispatchingTimedOut(reason); 311 } 312 getKeyDispatchingTimeout()313 @Override public long getKeyDispatchingTimeout() { 314 ActivityRecord activity = weakActivity.get(); 315 if (activity != null) { 316 return activity.getKeyDispatchingTimeout(); 317 } 318 return 0; 319 } 320 321 @Override toString()322 public String toString() { 323 StringBuilder sb = new StringBuilder(128); 324 sb.append("Token{"); 325 sb.append(Integer.toHexString(System.identityHashCode(this))); 326 sb.append(' '); 327 sb.append(weakActivity.get()); 328 sb.append('}'); 329 return sb.toString(); 330 } 331 } 332 forToken(IBinder token)333 static ActivityRecord forToken(IBinder token) { 334 try { 335 return token != null ? ((Token)token).weakActivity.get() : null; 336 } catch (ClassCastException e) { 337 Slog.w(ActivityManagerService.TAG, "Bad activity token: " + token, e); 338 return null; 339 } 340 } 341 isNotResolverActivity()342 boolean isNotResolverActivity() { 343 return !ResolverActivity.class.getName().equals(realActivity.getClassName()); 344 } 345 ActivityRecord(ActivityManagerService _service, ProcessRecord _caller, int _launchedFromUid, String _launchedFromPackage, Intent _intent, String _resolvedType, ActivityInfo aInfo, Configuration _configuration, ActivityRecord _resultTo, String _resultWho, int _reqCode, boolean _componentSpecified, ActivityStackSupervisor supervisor)346 ActivityRecord(ActivityManagerService _service, ProcessRecord _caller, 347 int _launchedFromUid, String _launchedFromPackage, Intent _intent, String _resolvedType, 348 ActivityInfo aInfo, Configuration _configuration, 349 ActivityRecord _resultTo, String _resultWho, int _reqCode, 350 boolean _componentSpecified, ActivityStackSupervisor supervisor) { 351 service = _service; 352 appToken = new Token(this); 353 info = aInfo; 354 launchedFromUid = _launchedFromUid; 355 launchedFromPackage = _launchedFromPackage; 356 userId = UserHandle.getUserId(aInfo.applicationInfo.uid); 357 intent = _intent; 358 shortComponentName = _intent.getComponent().flattenToShortString(); 359 resolvedType = _resolvedType; 360 componentSpecified = _componentSpecified; 361 configuration = _configuration; 362 resultTo = _resultTo; 363 resultWho = _resultWho; 364 requestCode = _reqCode; 365 state = ActivityState.INITIALIZING; 366 frontOfTask = false; 367 launchFailed = false; 368 stopped = false; 369 delayedResume = false; 370 finishing = false; 371 configDestroy = false; 372 keysPaused = false; 373 inHistory = false; 374 visible = true; 375 waitingVisible = false; 376 nowVisible = false; 377 thumbnailNeeded = false; 378 idle = false; 379 hasBeenLaunched = false; 380 mStackSupervisor = supervisor; 381 382 // This starts out true, since the initial state of an activity 383 // is that we have everything, and we shouldn't never consider it 384 // lacking in state to be removed if it dies. 385 haveState = true; 386 387 if (aInfo != null) { 388 if (aInfo.targetActivity == null 389 || aInfo.launchMode == ActivityInfo.LAUNCH_MULTIPLE 390 || aInfo.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) { 391 realActivity = _intent.getComponent(); 392 } else { 393 realActivity = new ComponentName(aInfo.packageName, 394 aInfo.targetActivity); 395 } 396 taskAffinity = aInfo.taskAffinity; 397 stateNotNeeded = (aInfo.flags& 398 ActivityInfo.FLAG_STATE_NOT_NEEDED) != 0; 399 baseDir = aInfo.applicationInfo.sourceDir; 400 resDir = aInfo.applicationInfo.publicSourceDir; 401 dataDir = aInfo.applicationInfo.dataDir; 402 nonLocalizedLabel = aInfo.nonLocalizedLabel; 403 labelRes = aInfo.labelRes; 404 if (nonLocalizedLabel == null && labelRes == 0) { 405 ApplicationInfo app = aInfo.applicationInfo; 406 nonLocalizedLabel = app.nonLocalizedLabel; 407 labelRes = app.labelRes; 408 } 409 icon = aInfo.getIconResource(); 410 logo = aInfo.getLogoResource(); 411 theme = aInfo.getThemeResource(); 412 realTheme = theme; 413 if (realTheme == 0) { 414 realTheme = aInfo.applicationInfo.targetSdkVersion 415 < Build.VERSION_CODES.HONEYCOMB 416 ? android.R.style.Theme 417 : android.R.style.Theme_Holo; 418 } 419 if ((aInfo.flags&ActivityInfo.FLAG_HARDWARE_ACCELERATED) != 0) { 420 windowFlags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; 421 } 422 if ((aInfo.flags&ActivityInfo.FLAG_MULTIPROCESS) != 0 423 && _caller != null 424 && (aInfo.applicationInfo.uid == Process.SYSTEM_UID 425 || aInfo.applicationInfo.uid == _caller.info.uid)) { 426 processName = _caller.processName; 427 } else { 428 processName = aInfo.processName; 429 } 430 431 if (intent != null && (aInfo.flags & ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS) != 0) { 432 intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 433 } 434 435 packageName = aInfo.applicationInfo.packageName; 436 launchMode = aInfo.launchMode; 437 438 AttributeCache.Entry ent = AttributeCache.instance().get(packageName, 439 realTheme, com.android.internal.R.styleable.Window, userId); 440 fullscreen = ent != null && !ent.array.getBoolean( 441 com.android.internal.R.styleable.Window_windowIsFloating, false) 442 && !ent.array.getBoolean( 443 com.android.internal.R.styleable.Window_windowIsTranslucent, false); 444 noDisplay = ent != null && ent.array.getBoolean( 445 com.android.internal.R.styleable.Window_windowNoDisplay, false); 446 447 if ((!_componentSpecified || _launchedFromUid == Process.myUid() 448 || _launchedFromUid == 0) && 449 Intent.ACTION_MAIN.equals(_intent.getAction()) && 450 _intent.hasCategory(Intent.CATEGORY_HOME) && 451 _intent.getCategories().size() == 1 && 452 _intent.getData() == null && 453 _intent.getType() == null && 454 (intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0 && 455 isNotResolverActivity()) { 456 // This sure looks like a home activity! 457 mActivityType = HOME_ACTIVITY_TYPE; 458 } else if (realActivity.getClassName().contains(RECENTS_PACKAGE_NAME)) { 459 mActivityType = RECENTS_ACTIVITY_TYPE; 460 } else { 461 mActivityType = APPLICATION_ACTIVITY_TYPE; 462 } 463 464 immersive = (aInfo.flags & ActivityInfo.FLAG_IMMERSIVE) != 0; 465 } else { 466 realActivity = null; 467 taskAffinity = null; 468 stateNotNeeded = false; 469 baseDir = null; 470 resDir = null; 471 dataDir = null; 472 processName = null; 473 packageName = null; 474 fullscreen = true; 475 noDisplay = false; 476 mActivityType = APPLICATION_ACTIVITY_TYPE; 477 immersive = false; 478 } 479 } 480 481 void setTask(TaskRecord newTask, ThumbnailHolder newThumbHolder, boolean isRoot) { 482 if (task != null && task.removeActivity(this)) { 483 if (task != newTask) { 484 mStackSupervisor.removeTask(task); 485 } else { 486 Slog.d(TAG, "!!! REMOVE THIS LOG !!! setTask: nearly removed stack=" + 487 (newTask == null ? null : newTask.stack)); 488 } 489 } 490 if (inHistory && !finishing) { 491 if (task != null) { 492 task.numActivities--; 493 } 494 if (newTask != null) { 495 newTask.numActivities++; 496 } 497 } 498 if (newThumbHolder == null) { 499 newThumbHolder = newTask; 500 } 501 task = newTask; 502 if (!isRoot && (intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) { 503 // This is the start of a new sub-task. 504 if (thumbHolder == null) { 505 thumbHolder = new ThumbnailHolder(); 506 } 507 } else { 508 thumbHolder = newThumbHolder; 509 } 510 } 511 512 boolean changeWindowTranslucency(boolean toOpaque) { 513 if (fullscreen == toOpaque) { 514 return false; 515 } 516 AttributeCache.Entry ent = 517 AttributeCache.instance().get(packageName, realTheme, styleable.Window, userId); 518 if (ent == null 519 || !ent.array.getBoolean(styleable.Window_windowIsTranslucent, false) 520 || ent.array.getBoolean(styleable.Window_windowIsFloating, false)) { 521 return false; 522 } 523 524 // Keep track of the number of fullscreen activities in this task. 525 task.numFullscreen += toOpaque ? +1 : -1; 526 527 fullscreen = toOpaque; 528 return true; 529 } 530 531 void putInHistory() { 532 if (!inHistory) { 533 inHistory = true; 534 if (task != null && !finishing) { 535 task.numActivities++; 536 } 537 } 538 } 539 540 void takeFromHistory() { 541 if (inHistory) { 542 inHistory = false; 543 if (task != null && !finishing) { 544 task.numActivities--; 545 task = null; 546 } 547 clearOptionsLocked(); 548 } 549 } 550 551 boolean isInHistory() { 552 return inHistory; 553 } 554 555 boolean isHomeActivity() { 556 return mActivityType == HOME_ACTIVITY_TYPE; 557 } 558 559 boolean isRecentsActivity() { 560 return mActivityType == RECENTS_ACTIVITY_TYPE; 561 } 562 563 boolean isApplicationActivity() { 564 return mActivityType == APPLICATION_ACTIVITY_TYPE; 565 } 566 567 void makeFinishing() { 568 if (!finishing) { 569 finishing = true; 570 if (task != null && inHistory) { 571 task.numActivities--; 572 } 573 if (stopped) { 574 clearOptionsLocked(); 575 } 576 } 577 } 578 579 boolean isRootActivity() { 580 final ArrayList<ActivityRecord> activities = task.mActivities; 581 return activities.size() == 0 || this == activities.get(0); 582 } 583 584 UriPermissionOwner getUriPermissionsLocked() { 585 if (uriPermissions == null) { 586 uriPermissions = new UriPermissionOwner(service, this); 587 } 588 return uriPermissions; 589 } 590 591 void addResultLocked(ActivityRecord from, String resultWho, 592 int requestCode, int resultCode, 593 Intent resultData) { 594 ActivityResult r = new ActivityResult(from, resultWho, 595 requestCode, resultCode, resultData); 596 if (results == null) { 597 results = new ArrayList<ResultInfo>(); 598 } 599 results.add(r); 600 } 601 602 void removeResultsLocked(ActivityRecord from, String resultWho, 603 int requestCode) { 604 if (results != null) { 605 for (int i=results.size()-1; i>=0; i--) { 606 ActivityResult r = (ActivityResult)results.get(i); 607 if (r.mFrom != from) continue; 608 if (r.mResultWho == null) { 609 if (resultWho != null) continue; 610 } else { 611 if (!r.mResultWho.equals(resultWho)) continue; 612 } 613 if (r.mRequestCode != requestCode) continue; 614 615 results.remove(i); 616 } 617 } 618 } 619 addNewIntentLocked(Intent intent)620 void addNewIntentLocked(Intent intent) { 621 if (newIntents == null) { 622 newIntents = new ArrayList<Intent>(); 623 } 624 newIntents.add(intent); 625 } 626 627 /** 628 * Deliver a new Intent to an existing activity, so that its onNewIntent() 629 * method will be called at the proper time. 630 */ deliverNewIntentLocked(int callingUid, Intent intent)631 final void deliverNewIntentLocked(int callingUid, Intent intent) { 632 // The activity now gets access to the data associated with this Intent. 633 service.grantUriPermissionFromIntentLocked(callingUid, packageName, 634 intent, getUriPermissionsLocked()); 635 // We want to immediately deliver the intent to the activity if 636 // it is currently the top resumed activity... however, if the 637 // device is sleeping, then all activities are stopped, so in that 638 // case we will deliver it if this is the current top activity on its 639 // stack. 640 boolean unsent = true; 641 if ((state == ActivityState.RESUMED || (service.mSleeping 642 && task.stack.topRunningActivityLocked(null) == this)) 643 && app != null && app.thread != null) { 644 try { 645 ArrayList<Intent> ar = new ArrayList<Intent>(); 646 intent = new Intent(intent); 647 ar.add(intent); 648 app.thread.scheduleNewIntent(ar, appToken); 649 unsent = false; 650 } catch (RemoteException e) { 651 Slog.w(ActivityManagerService.TAG, 652 "Exception thrown sending new intent to " + this, e); 653 } catch (NullPointerException e) { 654 Slog.w(ActivityManagerService.TAG, 655 "Exception thrown sending new intent to " + this, e); 656 } 657 } 658 if (unsent) { 659 addNewIntentLocked(new Intent(intent)); 660 } 661 } 662 updateOptionsLocked(Bundle options)663 void updateOptionsLocked(Bundle options) { 664 if (options != null) { 665 if (pendingOptions != null) { 666 pendingOptions.abort(); 667 } 668 pendingOptions = new ActivityOptions(options); 669 } 670 } 671 updateOptionsLocked(ActivityOptions options)672 void updateOptionsLocked(ActivityOptions options) { 673 if (options != null) { 674 if (pendingOptions != null) { 675 pendingOptions.abort(); 676 } 677 pendingOptions = options; 678 } 679 } 680 applyOptionsLocked()681 void applyOptionsLocked() { 682 if (pendingOptions != null) { 683 final int animationType = pendingOptions.getAnimationType(); 684 switch (animationType) { 685 case ActivityOptions.ANIM_CUSTOM: 686 service.mWindowManager.overridePendingAppTransition( 687 pendingOptions.getPackageName(), 688 pendingOptions.getCustomEnterResId(), 689 pendingOptions.getCustomExitResId(), 690 pendingOptions.getOnAnimationStartListener()); 691 break; 692 case ActivityOptions.ANIM_SCALE_UP: 693 service.mWindowManager.overridePendingAppTransitionScaleUp( 694 pendingOptions.getStartX(), pendingOptions.getStartY(), 695 pendingOptions.getStartWidth(), pendingOptions.getStartHeight()); 696 if (intent.getSourceBounds() == null) { 697 intent.setSourceBounds(new Rect(pendingOptions.getStartX(), 698 pendingOptions.getStartY(), 699 pendingOptions.getStartX()+pendingOptions.getStartWidth(), 700 pendingOptions.getStartY()+pendingOptions.getStartHeight())); 701 } 702 break; 703 case ActivityOptions.ANIM_THUMBNAIL_SCALE_UP: 704 case ActivityOptions.ANIM_THUMBNAIL_SCALE_DOWN: 705 boolean scaleUp = (animationType == ActivityOptions.ANIM_THUMBNAIL_SCALE_UP); 706 service.mWindowManager.overridePendingAppTransitionThumb( 707 pendingOptions.getThumbnail(), 708 pendingOptions.getStartX(), pendingOptions.getStartY(), 709 pendingOptions.getOnAnimationStartListener(), 710 scaleUp); 711 if (intent.getSourceBounds() == null) { 712 intent.setSourceBounds(new Rect(pendingOptions.getStartX(), 713 pendingOptions.getStartY(), 714 pendingOptions.getStartX() 715 + pendingOptions.getThumbnail().getWidth(), 716 pendingOptions.getStartY() 717 + pendingOptions.getThumbnail().getHeight())); 718 } 719 break; 720 } 721 pendingOptions = null; 722 } 723 } 724 clearOptionsLocked()725 void clearOptionsLocked() { 726 if (pendingOptions != null) { 727 pendingOptions.abort(); 728 pendingOptions = null; 729 } 730 } 731 takeOptionsLocked()732 ActivityOptions takeOptionsLocked() { 733 ActivityOptions opts = pendingOptions; 734 pendingOptions = null; 735 return opts; 736 } 737 removeUriPermissionsLocked()738 void removeUriPermissionsLocked() { 739 if (uriPermissions != null) { 740 uriPermissions.removeUriPermissionsLocked(); 741 uriPermissions = null; 742 } 743 } 744 pauseKeyDispatchingLocked()745 void pauseKeyDispatchingLocked() { 746 if (!keysPaused) { 747 keysPaused = true; 748 service.mWindowManager.pauseKeyDispatching(appToken); 749 } 750 } 751 resumeKeyDispatchingLocked()752 void resumeKeyDispatchingLocked() { 753 if (keysPaused) { 754 keysPaused = false; 755 service.mWindowManager.resumeKeyDispatching(appToken); 756 } 757 } 758 updateThumbnail(Bitmap newThumbnail, CharSequence description)759 void updateThumbnail(Bitmap newThumbnail, CharSequence description) { 760 if (thumbHolder != null) { 761 if (newThumbnail != null) { 762 if (ActivityManagerService.DEBUG_THUMBNAILS) Slog.i(ActivityManagerService.TAG, 763 "Setting thumbnail of " + this + " holder " + thumbHolder 764 + " to " + newThumbnail); 765 thumbHolder.lastThumbnail = newThumbnail; 766 } 767 thumbHolder.lastDescription = description; 768 } 769 } 770 startLaunchTickingLocked()771 void startLaunchTickingLocked() { 772 if (ActivityManagerService.IS_USER_BUILD) { 773 return; 774 } 775 if (launchTickTime == 0) { 776 launchTickTime = SystemClock.uptimeMillis(); 777 continueLaunchTickingLocked(); 778 } 779 } 780 continueLaunchTickingLocked()781 boolean continueLaunchTickingLocked() { 782 if (launchTickTime != 0) { 783 final ActivityStack stack = task.stack; 784 Message msg = stack.mHandler.obtainMessage(ActivityStack.LAUNCH_TICK_MSG, this); 785 stack.mHandler.removeMessages(ActivityStack.LAUNCH_TICK_MSG); 786 stack.mHandler.sendMessageDelayed(msg, ActivityStack.LAUNCH_TICK); 787 return true; 788 } 789 return false; 790 } 791 finishLaunchTickingLocked()792 void finishLaunchTickingLocked() { 793 launchTickTime = 0; 794 task.stack.mHandler.removeMessages(ActivityStack.LAUNCH_TICK_MSG); 795 } 796 797 // IApplicationToken 798 mayFreezeScreenLocked(ProcessRecord app)799 public boolean mayFreezeScreenLocked(ProcessRecord app) { 800 // Only freeze the screen if this activity is currently attached to 801 // an application, and that application is not blocked or unresponding. 802 // In any other case, we can't count on getting the screen unfrozen, 803 // so it is best to leave as-is. 804 return app != null && !app.crashing && !app.notResponding; 805 } 806 startFreezingScreenLocked(ProcessRecord app, int configChanges)807 public void startFreezingScreenLocked(ProcessRecord app, int configChanges) { 808 if (mayFreezeScreenLocked(app)) { 809 service.mWindowManager.startAppFreezingScreen(appToken, configChanges); 810 } 811 } 812 stopFreezingScreenLocked(boolean force)813 public void stopFreezingScreenLocked(boolean force) { 814 if (force || frozenBeforeDestroy) { 815 frozenBeforeDestroy = false; 816 service.mWindowManager.stopAppFreezingScreen(appToken, force); 817 } 818 } 819 reportFullyDrawnLocked()820 public void reportFullyDrawnLocked() { 821 final long curTime = SystemClock.uptimeMillis(); 822 if (displayStartTime != 0) { 823 reportLaunchTimeLocked(curTime); 824 } 825 if (fullyDrawnStartTime != 0) { 826 final ActivityStack stack = task.stack; 827 final long thisTime = curTime - fullyDrawnStartTime; 828 final long totalTime = stack.mFullyDrawnStartTime != 0 829 ? (curTime - stack.mFullyDrawnStartTime) : thisTime; 830 if (ActivityManagerService.SHOW_ACTIVITY_START_TIME) { 831 Trace.asyncTraceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER, "drawing", 0); 832 EventLog.writeEvent(EventLogTags.AM_ACTIVITY_FULLY_DRAWN_TIME, 833 userId, System.identityHashCode(this), shortComponentName, 834 thisTime, totalTime); 835 StringBuilder sb = service.mStringBuilder; 836 sb.setLength(0); 837 sb.append("Fully drawn "); 838 sb.append(shortComponentName); 839 sb.append(": "); 840 TimeUtils.formatDuration(thisTime, sb); 841 if (thisTime != totalTime) { 842 sb.append(" (total "); 843 TimeUtils.formatDuration(totalTime, sb); 844 sb.append(")"); 845 } 846 Log.i(ActivityManagerService.TAG, sb.toString()); 847 } 848 if (totalTime > 0) { 849 service.mUsageStatsService.noteFullyDrawnTime(realActivity, (int) totalTime); 850 } 851 fullyDrawnStartTime = 0; 852 stack.mFullyDrawnStartTime = 0; 853 } 854 } 855 reportLaunchTimeLocked(final long curTime)856 private void reportLaunchTimeLocked(final long curTime) { 857 final ActivityStack stack = task.stack; 858 final long thisTime = curTime - displayStartTime; 859 final long totalTime = stack.mLaunchStartTime != 0 860 ? (curTime - stack.mLaunchStartTime) : thisTime; 861 if (ActivityManagerService.SHOW_ACTIVITY_START_TIME) { 862 Trace.asyncTraceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER, "launching", 0); 863 EventLog.writeEvent(EventLogTags.AM_ACTIVITY_LAUNCH_TIME, 864 userId, System.identityHashCode(this), shortComponentName, 865 thisTime, totalTime); 866 StringBuilder sb = service.mStringBuilder; 867 sb.setLength(0); 868 sb.append("Displayed "); 869 sb.append(shortComponentName); 870 sb.append(": "); 871 TimeUtils.formatDuration(thisTime, sb); 872 if (thisTime != totalTime) { 873 sb.append(" (total "); 874 TimeUtils.formatDuration(totalTime, sb); 875 sb.append(")"); 876 } 877 Log.i(ActivityManagerService.TAG, sb.toString()); 878 } 879 mStackSupervisor.reportActivityLaunchedLocked(false, this, thisTime, totalTime); 880 if (totalTime > 0) { 881 service.mUsageStatsService.noteLaunchTime(realActivity, (int)totalTime); 882 } 883 displayStartTime = 0; 884 stack.mLaunchStartTime = 0; 885 } 886 windowsDrawn()887 public void windowsDrawn() { 888 synchronized(service) { 889 if (displayStartTime != 0) { 890 reportLaunchTimeLocked(SystemClock.uptimeMillis()); 891 } 892 startTime = 0; 893 finishLaunchTickingLocked(); 894 } 895 } 896 windowsVisible()897 public void windowsVisible() { 898 synchronized(service) { 899 mStackSupervisor.reportActivityVisibleLocked(this); 900 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 901 ActivityManagerService.TAG, "windowsVisible(): " + this); 902 if (!nowVisible) { 903 nowVisible = true; 904 lastVisibleTime = SystemClock.uptimeMillis(); 905 if (!idle) { 906 // Instead of doing the full stop routine here, let's just 907 // hide any activities we now can, and let them stop when 908 // the normal idle happens. 909 mStackSupervisor.processStoppingActivitiesLocked(false); 910 } else { 911 // If this activity was already idle, then we now need to 912 // make sure we perform the full stop of any activities 913 // that are waiting to do so. This is because we won't 914 // do that while they are still waiting for this one to 915 // become visible. 916 final int N = mStackSupervisor.mWaitingVisibleActivities.size(); 917 if (N > 0) { 918 for (int i=0; i<N; i++) { 919 ActivityRecord r = mStackSupervisor.mWaitingVisibleActivities.get(i); 920 r.waitingVisible = false; 921 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 922 ActivityManagerService.TAG, 923 "Was waiting for visible: " + r); 924 } 925 mStackSupervisor.mWaitingVisibleActivities.clear(); 926 mStackSupervisor.scheduleIdleLocked(); 927 } 928 } 929 service.scheduleAppGcsLocked(); 930 } 931 } 932 } 933 windowsGone()934 public void windowsGone() { 935 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 936 ActivityManagerService.TAG, "windowsGone(): " + this); 937 nowVisible = false; 938 } 939 getWaitingHistoryRecordLocked()940 private ActivityRecord getWaitingHistoryRecordLocked() { 941 // First find the real culprit... if we are waiting 942 // for another app to start, then we have paused dispatching 943 // for this activity. 944 ActivityRecord r = this; 945 final ActivityStack stack = task.stack; 946 if (r.waitingVisible) { 947 // Hmmm, who might we be waiting for? 948 r = stack.mResumedActivity; 949 if (r == null) { 950 r = stack.mPausingActivity; 951 } 952 // Both of those null? Fall back to 'this' again 953 if (r == null) { 954 r = this; 955 } 956 } 957 958 return r; 959 } 960 keyDispatchingTimedOut(String reason)961 public boolean keyDispatchingTimedOut(String reason) { 962 ActivityRecord r; 963 ProcessRecord anrApp; 964 synchronized(service) { 965 r = getWaitingHistoryRecordLocked(); 966 anrApp = r != null ? r.app : null; 967 } 968 return service.inputDispatchingTimedOut(anrApp, r, this, false, reason); 969 } 970 971 /** Returns the key dispatching timeout for this application token. */ getKeyDispatchingTimeout()972 public long getKeyDispatchingTimeout() { 973 synchronized(service) { 974 ActivityRecord r = getWaitingHistoryRecordLocked(); 975 return ActivityManagerService.getInputDispatchingTimeoutLocked(r); 976 } 977 } 978 979 /** 980 * This method will return true if the activity is either visible, is becoming visible, is 981 * currently pausing, or is resumed. 982 */ isInterestingToUserLocked()983 public boolean isInterestingToUserLocked() { 984 return visible || nowVisible || state == ActivityState.PAUSING || 985 state == ActivityState.RESUMED; 986 } 987 setSleeping(boolean _sleeping)988 public void setSleeping(boolean _sleeping) { 989 if (sleeping == _sleeping) { 990 return; 991 } 992 if (app != null && app.thread != null) { 993 try { 994 app.thread.scheduleSleeping(appToken, _sleeping); 995 if (_sleeping && !mStackSupervisor.mGoingToSleepActivities.contains(this)) { 996 mStackSupervisor.mGoingToSleepActivities.add(this); 997 } 998 sleeping = _sleeping; 999 } catch (RemoteException e) { 1000 Slog.w(TAG, "Exception thrown when sleeping: " + intent.getComponent(), e); 1001 } 1002 } 1003 } 1004 activityResumedLocked(IBinder token)1005 static void activityResumedLocked(IBinder token) { 1006 final ActivityRecord r = ActivityRecord.forToken(token); 1007 if (DEBUG_SAVED_STATE) Slog.i(TAG, "Resumed activity; dropping state of: " + r); 1008 r.icicle = null; 1009 r.haveState = false; 1010 } 1011 getTaskForActivityLocked(IBinder token, boolean onlyRoot)1012 static int getTaskForActivityLocked(IBinder token, boolean onlyRoot) { 1013 final ActivityRecord r = ActivityRecord.forToken(token); 1014 if (r == null) { 1015 return -1; 1016 } 1017 final TaskRecord task = r.task; 1018 switch (task.mActivities.indexOf(r)) { 1019 case -1: return -1; 1020 case 0: return task.taskId; 1021 default: return onlyRoot ? -1 : task.taskId; 1022 } 1023 } 1024 isInStackLocked(IBinder token)1025 static ActivityRecord isInStackLocked(IBinder token) { 1026 final ActivityRecord r = ActivityRecord.forToken(token); 1027 if (r != null) { 1028 return r.task.stack.isInStackLocked(token); 1029 } 1030 return null; 1031 } 1032 getStackLocked(IBinder token)1033 static ActivityStack getStackLocked(IBinder token) { 1034 final ActivityRecord r = ActivityRecord.isInStackLocked(token); 1035 if (r != null) { 1036 return r.task.stack; 1037 } 1038 return null; 1039 } 1040 activityTypeToString(int type)1041 private String activityTypeToString(int type) { 1042 switch (type) { 1043 case APPLICATION_ACTIVITY_TYPE: return "APPLICATION_ACTIVITY_TYPE"; 1044 case HOME_ACTIVITY_TYPE: return "HOME_ACTIVITY_TYPE"; 1045 case RECENTS_ACTIVITY_TYPE: return "RECENTS_ACTIVITY_TYPE"; 1046 default: return Integer.toString(type); 1047 } 1048 } 1049 1050 @Override toString()1051 public String toString() { 1052 if (stringName != null) { 1053 return stringName + " t" + (task == null ? -1 : task.taskId) + 1054 (finishing ? " f}" : "}"); 1055 } 1056 StringBuilder sb = new StringBuilder(128); 1057 sb.append("ActivityRecord{"); 1058 sb.append(Integer.toHexString(System.identityHashCode(this))); 1059 sb.append(" u"); 1060 sb.append(userId); 1061 sb.append(' '); 1062 sb.append(intent.getComponent().flattenToShortString()); 1063 stringName = sb.toString(); 1064 return toString(); 1065 } 1066 } 1067