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 com.android.server.AttributeCache; 20 import com.android.server.am.ActivityStack.ActivityState; 21 22 import android.app.Activity; 23 import android.content.ComponentName; 24 import android.content.Intent; 25 import android.content.pm.ActivityInfo; 26 import android.content.pm.ApplicationInfo; 27 import android.content.res.CompatibilityInfo; 28 import android.content.res.Configuration; 29 import android.graphics.Bitmap; 30 import android.os.Build; 31 import android.os.Bundle; 32 import android.os.Message; 33 import android.os.Process; 34 import android.os.RemoteException; 35 import android.os.SystemClock; 36 import android.util.EventLog; 37 import android.util.Log; 38 import android.util.Slog; 39 import android.util.TimeUtils; 40 import android.view.IApplicationToken; 41 import android.view.WindowManager; 42 43 import java.io.PrintWriter; 44 import java.lang.ref.WeakReference; 45 import java.util.ArrayList; 46 import java.util.HashSet; 47 48 /** 49 * An entry in the history stack, representing an activity. 50 */ 51 final class ActivityRecord extends IApplicationToken.Stub { 52 final ActivityManagerService service; // owner 53 final ActivityStack stack; // owner 54 final ActivityInfo info; // all about me 55 final int launchedFromUid; // always the uid who started the activity. 56 final Intent intent; // the original intent that generated us 57 final ComponentName realActivity; // the intent component, or target of an alias. 58 final String shortComponentName; // the short component name of the intent 59 final String resolvedType; // as per original caller; 60 final String packageName; // the package implementing intent's component 61 final String processName; // process where this component wants to run 62 final String taskAffinity; // as per ActivityInfo.taskAffinity 63 final boolean stateNotNeeded; // As per ActivityInfo.flags 64 final boolean fullscreen; // covers the full screen? 65 final boolean noDisplay; // activity is not displayed? 66 final boolean componentSpecified; // did caller specifiy an explicit component? 67 final boolean isHomeActivity; // do we consider this to be a home activity? 68 final String baseDir; // where activity source (resources etc) located 69 final String resDir; // where public activity source (public resources etc) located 70 final String dataDir; // where activity data should go 71 CharSequence nonLocalizedLabel; // the label information from the package mgr. 72 int labelRes; // the label information from the package mgr. 73 int icon; // resource identifier of activity's icon. 74 int theme; // resource identifier of activity's theme. 75 int realTheme; // actual theme resource we will use, never 0. 76 int windowFlags; // custom window flags for preview window. 77 TaskRecord task; // the task this is in. 78 ThumbnailHolder thumbHolder; // where our thumbnails should go. 79 long launchTime; // when we starting launching this activity 80 long startTime; // last time this activity was started 81 long cpuTimeAtResume; // the cpu time of host process at the time of resuming activity 82 Configuration configuration; // configuration activity was last running in 83 CompatibilityInfo compat;// last used compatibility mode 84 ActivityRecord resultTo; // who started this entry, so will get our reply 85 final String resultWho; // additional identifier for use by resultTo. 86 final int requestCode; // code given by requester (resultTo) 87 ArrayList results; // pending ActivityResult objs we have received 88 HashSet<WeakReference<PendingIntentRecord>> pendingResults; // all pending intents for this act 89 ArrayList newIntents; // any pending new intents for single-top mode 90 HashSet<ConnectionRecord> connections; // All ConnectionRecord we hold 91 UriPermissionOwner uriPermissions; // current special URI access perms. 92 ProcessRecord app; // if non-null, hosting application 93 ActivityState state; // current state we are in 94 Bundle icicle; // last saved activity state 95 boolean frontOfTask; // is this the root activity of its task? 96 boolean launchFailed; // set if a launched failed, to abort on 2nd try 97 boolean haveState; // have we gotten the last activity state? 98 boolean stopped; // is activity pause finished? 99 boolean delayedResume; // not yet resumed because of stopped app switches? 100 boolean finishing; // activity in pending finish list? 101 boolean configDestroy; // need to destroy due to config change? 102 int configChangeFlags; // which config values have changed 103 boolean keysPaused; // has key dispatching been paused for it? 104 int launchMode; // the launch mode activity attribute. 105 boolean visible; // does this activity's window need to be shown? 106 boolean sleeping; // have we told the activity to sleep? 107 boolean waitingVisible; // true if waiting for a new act to become vis 108 boolean nowVisible; // is this activity's window visible? 109 boolean thumbnailNeeded;// has someone requested a thumbnail? 110 boolean idle; // has the activity gone idle? 111 boolean hasBeenLaunched;// has this activity ever been launched? 112 boolean frozenBeforeDestroy;// has been frozen but not yet destroyed. 113 boolean immersive; // immersive mode (don't interrupt if possible) 114 boolean forceNewConfig; // force re-create with new config next time 115 116 String stringName; // for caching of toString(). 117 118 private boolean inHistory; // are we in the history stack? 119 dump(PrintWriter pw, String prefix)120 void dump(PrintWriter pw, String prefix) { 121 pw.print(prefix); pw.print("packageName="); pw.print(packageName); 122 pw.print(" processName="); pw.println(processName); 123 pw.print(prefix); pw.print("launchedFromUid="); pw.print(launchedFromUid); 124 pw.print(" app="); pw.println(app); 125 pw.print(prefix); pw.println(intent.toInsecureString()); 126 pw.print(prefix); pw.print("frontOfTask="); pw.print(frontOfTask); 127 pw.print(" task="); pw.println(task); 128 pw.print(prefix); pw.print("taskAffinity="); pw.println(taskAffinity); 129 pw.print(prefix); pw.print("realActivity="); 130 pw.println(realActivity.flattenToShortString()); 131 pw.print(prefix); pw.print("base="); pw.print(baseDir); 132 if (!resDir.equals(baseDir)) pw.print(" res="); pw.print(resDir); 133 pw.print(" data="); pw.println(dataDir); 134 pw.print(prefix); pw.print("labelRes=0x"); 135 pw.print(Integer.toHexString(labelRes)); 136 pw.print(" icon=0x"); pw.print(Integer.toHexString(icon)); 137 pw.print(" theme=0x"); pw.println(Integer.toHexString(theme)); 138 pw.print(prefix); pw.print("stateNotNeeded="); pw.print(stateNotNeeded); 139 pw.print(" componentSpecified="); pw.print(componentSpecified); 140 pw.print(" isHomeActivity="); pw.println(isHomeActivity); 141 pw.print(prefix); pw.print("config="); pw.println(configuration); 142 pw.print(prefix); pw.print("compat="); pw.println(compat); 143 if (resultTo != null || resultWho != null) { 144 pw.print(prefix); pw.print("resultTo="); pw.print(resultTo); 145 pw.print(" resultWho="); pw.print(resultWho); 146 pw.print(" resultCode="); pw.println(requestCode); 147 } 148 if (results != null) { 149 pw.print(prefix); pw.print("results="); pw.println(results); 150 } 151 if (pendingResults != null) { 152 pw.print(prefix); pw.print("pendingResults="); pw.println(pendingResults); 153 } 154 if (uriPermissions != null) { 155 if (uriPermissions.readUriPermissions != null) { 156 pw.print(prefix); pw.print("readUriPermissions="); 157 pw.println(uriPermissions.readUriPermissions); 158 } 159 if (uriPermissions.writeUriPermissions != null) { 160 pw.print(prefix); pw.print("writeUriPermissions="); 161 pw.println(uriPermissions.writeUriPermissions); 162 } 163 } 164 pw.print(prefix); pw.print("launchFailed="); pw.print(launchFailed); 165 pw.print(" haveState="); pw.print(haveState); 166 pw.print(" icicle="); pw.println(icicle); 167 pw.print(prefix); pw.print("state="); pw.print(state); 168 pw.print(" stopped="); pw.print(stopped); 169 pw.print(" delayedResume="); pw.print(delayedResume); 170 pw.print(" finishing="); pw.println(finishing); 171 pw.print(prefix); pw.print("keysPaused="); pw.print(keysPaused); 172 pw.print(" inHistory="); pw.print(inHistory); 173 pw.print(" visible="); pw.print(visible); 174 pw.print(" sleeping="); pw.print(sleeping); 175 pw.print(" idle="); pw.println(idle); 176 pw.print(prefix); pw.print("fullscreen="); pw.print(fullscreen); 177 pw.print(" noDisplay="); pw.print(noDisplay); 178 pw.print(" immersive="); pw.print(immersive); 179 pw.print(" launchMode="); pw.println(launchMode); 180 pw.print(prefix); pw.print("frozenBeforeDestroy="); pw.print(frozenBeforeDestroy); 181 pw.print(" thumbnailNeeded="); pw.print(thumbnailNeeded); 182 pw.print(" forceNewConfig="); pw.println(forceNewConfig); 183 pw.print(prefix); pw.print("thumbHolder="); pw.println(thumbHolder); 184 if (launchTime != 0 || startTime != 0) { 185 pw.print(prefix); pw.print("launchTime="); 186 TimeUtils.formatDuration(launchTime, pw); pw.print(" startTime="); 187 TimeUtils.formatDuration(startTime, pw); pw.println(""); 188 } 189 if (waitingVisible || nowVisible) { 190 pw.print(prefix); pw.print("waitingVisible="); pw.print(waitingVisible); 191 pw.print(" nowVisible="); pw.println(nowVisible); 192 } 193 if (configDestroy || configChangeFlags != 0) { 194 pw.print(prefix); pw.print("configDestroy="); pw.print(configDestroy); 195 pw.print(" configChangeFlags="); 196 pw.println(Integer.toHexString(configChangeFlags)); 197 } 198 if (connections != null) { 199 pw.print(prefix); pw.print("connections="); pw.println(connections); 200 } 201 } 202 ActivityRecord(ActivityManagerService _service, ActivityStack _stack, ProcessRecord _caller, int _launchedFromUid, Intent _intent, String _resolvedType, ActivityInfo aInfo, Configuration _configuration, ActivityRecord _resultTo, String _resultWho, int _reqCode, boolean _componentSpecified)203 ActivityRecord(ActivityManagerService _service, ActivityStack _stack, ProcessRecord _caller, 204 int _launchedFromUid, Intent _intent, String _resolvedType, 205 ActivityInfo aInfo, Configuration _configuration, 206 ActivityRecord _resultTo, String _resultWho, int _reqCode, 207 boolean _componentSpecified) { 208 service = _service; 209 stack = _stack; 210 info = aInfo; 211 launchedFromUid = _launchedFromUid; 212 intent = _intent; 213 shortComponentName = _intent.getComponent().flattenToShortString(); 214 resolvedType = _resolvedType; 215 componentSpecified = _componentSpecified; 216 configuration = _configuration; 217 resultTo = _resultTo; 218 resultWho = _resultWho; 219 requestCode = _reqCode; 220 state = ActivityState.INITIALIZING; 221 frontOfTask = false; 222 launchFailed = false; 223 haveState = false; 224 stopped = false; 225 delayedResume = false; 226 finishing = false; 227 configDestroy = false; 228 keysPaused = false; 229 inHistory = false; 230 visible = true; 231 waitingVisible = false; 232 nowVisible = false; 233 thumbnailNeeded = false; 234 idle = false; 235 hasBeenLaunched = false; 236 237 if (aInfo != null) { 238 if (aInfo.targetActivity == null 239 || aInfo.launchMode == ActivityInfo.LAUNCH_MULTIPLE 240 || aInfo.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP) { 241 realActivity = _intent.getComponent(); 242 } else { 243 realActivity = new ComponentName(aInfo.packageName, 244 aInfo.targetActivity); 245 } 246 taskAffinity = aInfo.taskAffinity; 247 stateNotNeeded = (aInfo.flags& 248 ActivityInfo.FLAG_STATE_NOT_NEEDED) != 0; 249 baseDir = aInfo.applicationInfo.sourceDir; 250 resDir = aInfo.applicationInfo.publicSourceDir; 251 dataDir = aInfo.applicationInfo.dataDir; 252 nonLocalizedLabel = aInfo.nonLocalizedLabel; 253 labelRes = aInfo.labelRes; 254 if (nonLocalizedLabel == null && labelRes == 0) { 255 ApplicationInfo app = aInfo.applicationInfo; 256 nonLocalizedLabel = app.nonLocalizedLabel; 257 labelRes = app.labelRes; 258 } 259 icon = aInfo.getIconResource(); 260 theme = aInfo.getThemeResource(); 261 realTheme = theme; 262 if (realTheme == 0) { 263 realTheme = aInfo.applicationInfo.targetSdkVersion 264 < Build.VERSION_CODES.HONEYCOMB 265 ? android.R.style.Theme 266 : android.R.style.Theme_Holo; 267 } 268 if ((aInfo.flags&ActivityInfo.FLAG_HARDWARE_ACCELERATED) != 0) { 269 windowFlags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; 270 } 271 if ((aInfo.flags&ActivityInfo.FLAG_MULTIPROCESS) != 0 272 && _caller != null 273 && (aInfo.applicationInfo.uid == Process.SYSTEM_UID 274 || aInfo.applicationInfo.uid == _caller.info.uid)) { 275 processName = _caller.processName; 276 } else { 277 processName = aInfo.processName; 278 } 279 280 if (intent != null && (aInfo.flags & ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS) != 0) { 281 intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 282 } 283 284 packageName = aInfo.applicationInfo.packageName; 285 launchMode = aInfo.launchMode; 286 287 AttributeCache.Entry ent = AttributeCache.instance().get(packageName, 288 realTheme, com.android.internal.R.styleable.Window); 289 fullscreen = ent != null && !ent.array.getBoolean( 290 com.android.internal.R.styleable.Window_windowIsFloating, false) 291 && !ent.array.getBoolean( 292 com.android.internal.R.styleable.Window_windowIsTranslucent, false); 293 noDisplay = ent != null && ent.array.getBoolean( 294 com.android.internal.R.styleable.Window_windowNoDisplay, false); 295 296 if (!_componentSpecified || _launchedFromUid == Process.myUid() 297 || _launchedFromUid == 0) { 298 // If we know the system has determined the component, then 299 // we can consider this to be a home activity... 300 if (Intent.ACTION_MAIN.equals(_intent.getAction()) && 301 _intent.hasCategory(Intent.CATEGORY_HOME) && 302 _intent.getCategories().size() == 1 && 303 _intent.getData() == null && 304 _intent.getType() == null && 305 (intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) != 0 && 306 !"android".equals(realActivity.getClassName())) { 307 // This sure looks like a home activity! 308 // Note the last check is so we don't count the resolver 309 // activity as being home... really, we don't care about 310 // doing anything special with something that comes from 311 // the core framework package. 312 isHomeActivity = true; 313 } else { 314 isHomeActivity = false; 315 } 316 } else { 317 isHomeActivity = false; 318 } 319 320 immersive = (aInfo.flags & ActivityInfo.FLAG_IMMERSIVE) != 0; 321 } else { 322 realActivity = null; 323 taskAffinity = null; 324 stateNotNeeded = false; 325 baseDir = null; 326 resDir = null; 327 dataDir = null; 328 processName = null; 329 packageName = null; 330 fullscreen = true; 331 noDisplay = false; 332 isHomeActivity = false; 333 immersive = false; 334 } 335 } 336 337 void setTask(TaskRecord newTask, ThumbnailHolder newThumbHolder, boolean isRoot) { 338 if (inHistory && !finishing) { 339 if (task != null) { 340 task.numActivities--; 341 } 342 if (newTask != null) { 343 newTask.numActivities++; 344 } 345 } 346 if (newThumbHolder == null) { 347 newThumbHolder = newTask; 348 } 349 task = newTask; 350 if (!isRoot && (intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) { 351 // This is the start of a new sub-task. 352 if (thumbHolder == null) { 353 thumbHolder = new ThumbnailHolder(); 354 } 355 } else { 356 thumbHolder = newThumbHolder; 357 } 358 } 359 360 void putInHistory() { 361 if (!inHistory) { 362 inHistory = true; 363 if (task != null && !finishing) { 364 task.numActivities++; 365 } 366 } 367 } 368 369 void takeFromHistory() { 370 if (inHistory) { 371 inHistory = false; 372 if (task != null && !finishing) { 373 task.numActivities--; 374 } 375 } 376 } 377 378 boolean isInHistory() { 379 return inHistory; 380 } 381 382 void makeFinishing() { 383 if (!finishing) { 384 finishing = true; 385 if (task != null && inHistory) { 386 task.numActivities--; 387 } 388 } 389 } 390 391 UriPermissionOwner getUriPermissionsLocked() { 392 if (uriPermissions == null) { 393 uriPermissions = new UriPermissionOwner(service, this); 394 } 395 return uriPermissions; 396 } 397 398 void addResultLocked(ActivityRecord from, String resultWho, 399 int requestCode, int resultCode, 400 Intent resultData) { 401 ActivityResult r = new ActivityResult(from, resultWho, 402 requestCode, resultCode, resultData); 403 if (results == null) { 404 results = new ArrayList(); 405 } 406 results.add(r); 407 } 408 409 void removeResultsLocked(ActivityRecord from, String resultWho, 410 int requestCode) { 411 if (results != null) { 412 for (int i=results.size()-1; i>=0; i--) { 413 ActivityResult r = (ActivityResult)results.get(i); 414 if (r.mFrom != from) continue; 415 if (r.mResultWho == null) { 416 if (resultWho != null) continue; 417 } else { 418 if (!r.mResultWho.equals(resultWho)) continue; 419 } 420 if (r.mRequestCode != requestCode) continue; 421 422 results.remove(i); 423 } 424 } 425 } 426 addNewIntentLocked(Intent intent)427 void addNewIntentLocked(Intent intent) { 428 if (newIntents == null) { 429 newIntents = new ArrayList(); 430 } 431 newIntents.add(intent); 432 } 433 434 /** 435 * Deliver a new Intent to an existing activity, so that its onNewIntent() 436 * method will be called at the proper time. 437 */ deliverNewIntentLocked(int callingUid, Intent intent)438 final void deliverNewIntentLocked(int callingUid, Intent intent) { 439 boolean sent = false; 440 if (state == ActivityState.RESUMED 441 && app != null && app.thread != null) { 442 try { 443 ArrayList<Intent> ar = new ArrayList<Intent>(); 444 intent = new Intent(intent); 445 ar.add(intent); 446 service.grantUriPermissionFromIntentLocked(callingUid, packageName, 447 intent, getUriPermissionsLocked()); 448 app.thread.scheduleNewIntent(ar, this); 449 sent = true; 450 } catch (RemoteException e) { 451 Slog.w(ActivityManagerService.TAG, 452 "Exception thrown sending new intent to " + this, e); 453 } catch (NullPointerException e) { 454 Slog.w(ActivityManagerService.TAG, 455 "Exception thrown sending new intent to " + this, e); 456 } 457 } 458 if (!sent) { 459 addNewIntentLocked(new Intent(intent)); 460 } 461 } 462 removeUriPermissionsLocked()463 void removeUriPermissionsLocked() { 464 if (uriPermissions != null) { 465 uriPermissions.removeUriPermissionsLocked(); 466 uriPermissions = null; 467 } 468 } 469 pauseKeyDispatchingLocked()470 void pauseKeyDispatchingLocked() { 471 if (!keysPaused) { 472 keysPaused = true; 473 service.mWindowManager.pauseKeyDispatching(this); 474 } 475 } 476 resumeKeyDispatchingLocked()477 void resumeKeyDispatchingLocked() { 478 if (keysPaused) { 479 keysPaused = false; 480 service.mWindowManager.resumeKeyDispatching(this); 481 } 482 } 483 updateThumbnail(Bitmap newThumbnail, CharSequence description)484 void updateThumbnail(Bitmap newThumbnail, CharSequence description) { 485 if ((intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) { 486 // This is a logical break in the task; it repre 487 } 488 if (thumbHolder != null) { 489 if (newThumbnail != null) { 490 thumbHolder.lastThumbnail = newThumbnail; 491 } 492 thumbHolder.lastDescription = description; 493 } 494 } 495 clearThumbnail()496 void clearThumbnail() { 497 if (thumbHolder != null) { 498 thumbHolder.lastThumbnail = null; 499 thumbHolder.lastDescription = null; 500 } 501 } 502 503 // IApplicationToken 504 mayFreezeScreenLocked(ProcessRecord app)505 public boolean mayFreezeScreenLocked(ProcessRecord app) { 506 // Only freeze the screen if this activity is currently attached to 507 // an application, and that application is not blocked or unresponding. 508 // In any other case, we can't count on getting the screen unfrozen, 509 // so it is best to leave as-is. 510 return app != null && !app.crashing && !app.notResponding; 511 } 512 startFreezingScreenLocked(ProcessRecord app, int configChanges)513 public void startFreezingScreenLocked(ProcessRecord app, int configChanges) { 514 if (mayFreezeScreenLocked(app)) { 515 service.mWindowManager.startAppFreezingScreen(this, configChanges); 516 } 517 } 518 stopFreezingScreenLocked(boolean force)519 public void stopFreezingScreenLocked(boolean force) { 520 if (force || frozenBeforeDestroy) { 521 frozenBeforeDestroy = false; 522 service.mWindowManager.stopAppFreezingScreen(this, force); 523 } 524 } 525 windowsVisible()526 public void windowsVisible() { 527 synchronized(service) { 528 if (launchTime != 0) { 529 final long curTime = SystemClock.uptimeMillis(); 530 final long thisTime = curTime - launchTime; 531 final long totalTime = stack.mInitialStartTime != 0 532 ? (curTime - stack.mInitialStartTime) : thisTime; 533 if (ActivityManagerService.SHOW_ACTIVITY_START_TIME) { 534 EventLog.writeEvent(EventLogTags.ACTIVITY_LAUNCH_TIME, 535 System.identityHashCode(this), shortComponentName, 536 thisTime, totalTime); 537 StringBuilder sb = service.mStringBuilder; 538 sb.setLength(0); 539 sb.append("Displayed "); 540 sb.append(shortComponentName); 541 sb.append(": "); 542 TimeUtils.formatDuration(thisTime, sb); 543 if (thisTime != totalTime) { 544 sb.append(" (total "); 545 TimeUtils.formatDuration(totalTime, sb); 546 sb.append(")"); 547 } 548 Log.i(ActivityManagerService.TAG, sb.toString()); 549 } 550 stack.reportActivityLaunchedLocked(false, this, thisTime, totalTime); 551 if (totalTime > 0) { 552 service.mUsageStatsService.noteLaunchTime(realActivity, (int)totalTime); 553 } 554 launchTime = 0; 555 stack.mInitialStartTime = 0; 556 } 557 startTime = 0; 558 stack.reportActivityVisibleLocked(this); 559 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 560 ActivityManagerService.TAG, "windowsVisible(): " + this); 561 if (!nowVisible) { 562 nowVisible = true; 563 if (!idle) { 564 // Instead of doing the full stop routine here, let's just 565 // hide any activities we now can, and let them stop when 566 // the normal idle happens. 567 stack.processStoppingActivitiesLocked(false); 568 } else { 569 // If this activity was already idle, then we now need to 570 // make sure we perform the full stop of any activities 571 // that are waiting to do so. This is because we won't 572 // do that while they are still waiting for this one to 573 // become visible. 574 final int N = stack.mWaitingVisibleActivities.size(); 575 if (N > 0) { 576 for (int i=0; i<N; i++) { 577 ActivityRecord r = (ActivityRecord) 578 stack.mWaitingVisibleActivities.get(i); 579 r.waitingVisible = false; 580 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 581 ActivityManagerService.TAG, 582 "Was waiting for visible: " + r); 583 } 584 stack.mWaitingVisibleActivities.clear(); 585 Message msg = Message.obtain(); 586 msg.what = ActivityStack.IDLE_NOW_MSG; 587 stack.mHandler.sendMessage(msg); 588 } 589 } 590 service.scheduleAppGcsLocked(); 591 } 592 } 593 } 594 windowsGone()595 public void windowsGone() { 596 if (ActivityManagerService.DEBUG_SWITCH) Log.v( 597 ActivityManagerService.TAG, "windowsGone(): " + this); 598 nowVisible = false; 599 } 600 getWaitingHistoryRecordLocked()601 private ActivityRecord getWaitingHistoryRecordLocked() { 602 // First find the real culprit... if we are waiting 603 // for another app to start, then we have paused dispatching 604 // for this activity. 605 ActivityRecord r = this; 606 if (r.waitingVisible) { 607 // Hmmm, who might we be waiting for? 608 r = stack.mResumedActivity; 609 if (r == null) { 610 r = stack.mPausingActivity; 611 } 612 // Both of those null? Fall back to 'this' again 613 if (r == null) { 614 r = this; 615 } 616 } 617 618 return r; 619 } 620 keyDispatchingTimedOut()621 public boolean keyDispatchingTimedOut() { 622 ActivityRecord r; 623 ProcessRecord anrApp = null; 624 synchronized(service) { 625 r = getWaitingHistoryRecordLocked(); 626 if (r != null && r.app != null) { 627 if (r.app.debugging) { 628 return false; 629 } 630 631 if (service.mDidDexOpt) { 632 // Give more time since we were dexopting. 633 service.mDidDexOpt = false; 634 return false; 635 } 636 637 if (r.app.instrumentationClass == null) { 638 anrApp = r.app; 639 } else { 640 Bundle info = new Bundle(); 641 info.putString("shortMsg", "keyDispatchingTimedOut"); 642 info.putString("longMsg", "Timed out while dispatching key event"); 643 service.finishInstrumentationLocked( 644 r.app, Activity.RESULT_CANCELED, info); 645 } 646 } 647 } 648 649 if (anrApp != null) { 650 service.appNotResponding(anrApp, r, this, 651 "keyDispatchingTimedOut"); 652 } 653 654 return true; 655 } 656 657 /** Returns the key dispatching timeout for this application token. */ getKeyDispatchingTimeout()658 public long getKeyDispatchingTimeout() { 659 synchronized(service) { 660 ActivityRecord r = getWaitingHistoryRecordLocked(); 661 if (r != null && r.app != null 662 && (r.app.instrumentationClass != null || r.app.usingWrapper)) { 663 return ActivityManagerService.INSTRUMENTATION_KEY_DISPATCHING_TIMEOUT; 664 } 665 666 return ActivityManagerService.KEY_DISPATCHING_TIMEOUT; 667 } 668 } 669 670 /** 671 * This method will return true if the activity is either visible, is becoming visible, is 672 * currently pausing, or is resumed. 673 */ isInterestingToUserLocked()674 public boolean isInterestingToUserLocked() { 675 return visible || nowVisible || state == ActivityState.PAUSING || 676 state == ActivityState.RESUMED; 677 } 678 setSleeping(boolean _sleeping)679 public void setSleeping(boolean _sleeping) { 680 if (sleeping == _sleeping) { 681 return; 682 } 683 if (app != null && app.thread != null) { 684 try { 685 app.thread.scheduleSleeping(this, _sleeping); 686 if (sleeping && !stack.mGoingToSleepActivities.contains(this)) { 687 stack.mGoingToSleepActivities.add(this); 688 } 689 sleeping = _sleeping; 690 } catch (RemoteException e) { 691 Slog.w(ActivityStack.TAG, "Exception thrown when sleeping: " 692 + intent.getComponent(), e); 693 } 694 } 695 } 696 toString()697 public String toString() { 698 if (stringName != null) { 699 return stringName; 700 } 701 StringBuilder sb = new StringBuilder(128); 702 sb.append("ActivityRecord{"); 703 sb.append(Integer.toHexString(System.identityHashCode(this))); 704 sb.append(' '); 705 sb.append(intent.getComponent().flattenToShortString()); 706 sb.append('}'); 707 return stringName = sb.toString(); 708 } 709 } 710