ActivityManager.java revision 4d64c093cd785e7a53fafe1aaf796ed734d61a02
1/* 2 * Copyright (C) 2007 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 android.app; 18 19import android.Manifest; 20import android.annotation.DrawableRes; 21import android.annotation.IntDef; 22import android.annotation.NonNull; 23import android.annotation.Nullable; 24import android.annotation.RequiresPermission; 25import android.annotation.SystemApi; 26import android.annotation.SystemService; 27import android.annotation.TestApi; 28import android.content.ComponentName; 29import android.content.Context; 30import android.content.Intent; 31import android.content.pm.ActivityInfo; 32import android.content.pm.ApplicationInfo; 33import android.content.pm.ConfigurationInfo; 34import android.content.pm.IPackageDataObserver; 35import android.content.pm.PackageManager; 36import android.content.pm.ParceledListSlice; 37import android.content.pm.UserInfo; 38import android.content.res.Configuration; 39import android.content.res.Resources; 40import android.graphics.Bitmap; 41import android.graphics.Canvas; 42import android.graphics.Color; 43import android.graphics.GraphicBuffer; 44import android.graphics.Matrix; 45import android.graphics.Point; 46import android.graphics.Rect; 47import android.net.Uri; 48import android.os.BatteryStats; 49import android.os.Binder; 50import android.os.Build; 51import android.os.Build.VERSION_CODES; 52import android.os.Bundle; 53import android.os.Debug; 54import android.os.Handler; 55import android.os.IBinder; 56import android.os.Parcel; 57import android.os.Parcelable; 58import android.os.Process; 59import android.os.RemoteException; 60import android.os.ServiceManager; 61import android.os.SystemProperties; 62import android.os.UserHandle; 63import android.os.WorkSource; 64import android.text.TextUtils; 65import android.util.ArrayMap; 66import android.util.DisplayMetrics; 67import android.util.Singleton; 68import android.util.Size; 69 70import com.android.internal.app.procstats.ProcessStats; 71import com.android.internal.os.RoSystemProperties; 72import com.android.internal.os.TransferPipe; 73import com.android.internal.util.FastPrintWriter; 74import com.android.server.LocalServices; 75 76import org.xmlpull.v1.XmlSerializer; 77 78import java.io.FileDescriptor; 79import java.io.FileOutputStream; 80import java.io.IOException; 81import java.io.PrintWriter; 82import java.lang.annotation.Retention; 83import java.lang.annotation.RetentionPolicy; 84import java.util.ArrayList; 85import java.util.List; 86 87/** 88 * <p> 89 * This class gives information about, and interacts 90 * with, activities, services, and the containing 91 * process. 92 * </p> 93 * 94 * <p> 95 * A number of the methods in this class are for 96 * debugging or informational purposes and they should 97 * not be used to affect any runtime behavior of 98 * your app. These methods are called out as such in 99 * the method level documentation. 100 * </p> 101 * 102 *<p> 103 * Most application developers should not have the need to 104 * use this class, most of whose methods are for specialized 105 * use cases. However, a few methods are more broadly applicable. 106 * For instance, {@link android.app.ActivityManager#isLowRamDevice() isLowRamDevice()} 107 * enables your app to detect whether it is running on a low-memory device, 108 * and behave accordingly. 109 * {@link android.app.ActivityManager#clearApplicationUserData() clearApplicationUserData()} 110 * is for apps with reset-data functionality. 111 * </p> 112 * 113 * <p> 114 * In some special use cases, where an app interacts with 115 * its Task stack, the app may use the 116 * {@link android.app.ActivityManager.AppTask} and 117 * {@link android.app.ActivityManager.RecentTaskInfo} inner 118 * classes. However, in general, the methods in this class should 119 * be used for testing and debugging purposes only. 120 * </p> 121 */ 122@SystemService(Context.ACTIVITY_SERVICE) 123public class ActivityManager { 124 private static String TAG = "ActivityManager"; 125 126 private static int gMaxRecentTasks = -1; 127 128 private final Context mContext; 129 130 private static volatile boolean sSystemReady = false; 131 132 133 private static final int FIRST_START_FATAL_ERROR_CODE = -100; 134 private static final int LAST_START_FATAL_ERROR_CODE = -1; 135 private static final int FIRST_START_SUCCESS_CODE = 0; 136 private static final int LAST_START_SUCCESS_CODE = 99; 137 private static final int FIRST_START_NON_FATAL_ERROR_CODE = 100; 138 private static final int LAST_START_NON_FATAL_ERROR_CODE = 199; 139 140 static final class UidObserver extends IUidObserver.Stub { 141 final OnUidImportanceListener mListener; 142 final Context mContext; 143 144 UidObserver(OnUidImportanceListener listener, Context clientContext) { 145 mListener = listener; 146 mContext = clientContext; 147 } 148 149 @Override 150 public void onUidStateChanged(int uid, int procState, long procStateSeq) { 151 mListener.onUidImportance(uid, RunningAppProcessInfo.procStateToImportanceForClient( 152 procState, mContext)); 153 } 154 155 @Override 156 public void onUidGone(int uid, boolean disabled) { 157 mListener.onUidImportance(uid, RunningAppProcessInfo.IMPORTANCE_GONE); 158 } 159 160 @Override 161 public void onUidActive(int uid) { 162 } 163 164 @Override 165 public void onUidIdle(int uid, boolean disabled) { 166 } 167 168 @Override public void onUidCachedChanged(int uid, boolean cached) { 169 } 170 } 171 172 final ArrayMap<OnUidImportanceListener, UidObserver> mImportanceListeners = new ArrayMap<>(); 173 174 /** 175 * Defines acceptable types of bugreports. 176 * @hide 177 */ 178 @Retention(RetentionPolicy.SOURCE) 179 @IntDef(prefix = { "BUGREPORT_OPTION_" }, value = { 180 BUGREPORT_OPTION_FULL, 181 BUGREPORT_OPTION_INTERACTIVE, 182 BUGREPORT_OPTION_REMOTE, 183 BUGREPORT_OPTION_WEAR, 184 BUGREPORT_OPTION_TELEPHONY, 185 BUGREPORT_OPTION_WIFI 186 }) 187 public @interface BugreportMode {} 188 /** 189 * Takes a bugreport without user interference (and hence causing less 190 * interference to the system), but includes all sections. 191 * @hide 192 */ 193 public static final int BUGREPORT_OPTION_FULL = 0; 194 /** 195 * Allows user to monitor progress and enter additional data; might not include all 196 * sections. 197 * @hide 198 */ 199 public static final int BUGREPORT_OPTION_INTERACTIVE = 1; 200 /** 201 * Takes a bugreport requested remotely by administrator of the Device Owner app, 202 * not the device's user. 203 * @hide 204 */ 205 public static final int BUGREPORT_OPTION_REMOTE = 2; 206 /** 207 * Takes a bugreport on a wearable device. 208 * @hide 209 */ 210 public static final int BUGREPORT_OPTION_WEAR = 3; 211 212 /** 213 * Takes a lightweight version of bugreport that only includes a few, urgent sections 214 * used to report telephony bugs. 215 * @hide 216 */ 217 public static final int BUGREPORT_OPTION_TELEPHONY = 4; 218 219 /** 220 * Takes a lightweight bugreport that only includes a few sections related to Wifi. 221 * @hide 222 */ 223 public static final int BUGREPORT_OPTION_WIFI = 5; 224 225 /** 226 * <a href="{@docRoot}guide/topics/manifest/meta-data-element.html">{@code 227 * <meta-data>}</a> name for a 'home' Activity that declares a package that is to be 228 * uninstalled in lieu of the declaring one. The package named here must be 229 * signed with the same certificate as the one declaring the {@code <meta-data>}. 230 */ 231 public static final String META_HOME_ALTERNATE = "android.app.home.alternate"; 232 233 // NOTE: Before adding a new start result, please reference the defined ranges to ensure the 234 // result is properly categorized. 235 236 /** 237 * Result for IActivityManager.startVoiceActivity: active session is currently hidden. 238 * @hide 239 */ 240 public static final int START_VOICE_HIDDEN_SESSION = FIRST_START_FATAL_ERROR_CODE; 241 242 /** 243 * Result for IActivityManager.startVoiceActivity: active session does not match 244 * the requesting token. 245 * @hide 246 */ 247 public static final int START_VOICE_NOT_ACTIVE_SESSION = FIRST_START_FATAL_ERROR_CODE + 1; 248 249 /** 250 * Result for IActivityManager.startActivity: trying to start a background user 251 * activity that shouldn't be displayed for all users. 252 * @hide 253 */ 254 public static final int START_NOT_CURRENT_USER_ACTIVITY = FIRST_START_FATAL_ERROR_CODE + 2; 255 256 /** 257 * Result for IActivityManager.startActivity: trying to start an activity under voice 258 * control when that activity does not support the VOICE category. 259 * @hide 260 */ 261 public static final int START_NOT_VOICE_COMPATIBLE = FIRST_START_FATAL_ERROR_CODE + 3; 262 263 /** 264 * Result for IActivityManager.startActivity: an error where the 265 * start had to be canceled. 266 * @hide 267 */ 268 public static final int START_CANCELED = FIRST_START_FATAL_ERROR_CODE + 4; 269 270 /** 271 * Result for IActivityManager.startActivity: an error where the 272 * thing being started is not an activity. 273 * @hide 274 */ 275 public static final int START_NOT_ACTIVITY = FIRST_START_FATAL_ERROR_CODE + 5; 276 277 /** 278 * Result for IActivityManager.startActivity: an error where the 279 * caller does not have permission to start the activity. 280 * @hide 281 */ 282 public static final int START_PERMISSION_DENIED = FIRST_START_FATAL_ERROR_CODE + 6; 283 284 /** 285 * Result for IActivityManager.startActivity: an error where the 286 * caller has requested both to forward a result and to receive 287 * a result. 288 * @hide 289 */ 290 public static final int START_FORWARD_AND_REQUEST_CONFLICT = FIRST_START_FATAL_ERROR_CODE + 7; 291 292 /** 293 * Result for IActivityManager.startActivity: an error where the 294 * requested class is not found. 295 * @hide 296 */ 297 public static final int START_CLASS_NOT_FOUND = FIRST_START_FATAL_ERROR_CODE + 8; 298 299 /** 300 * Result for IActivityManager.startActivity: an error where the 301 * given Intent could not be resolved to an activity. 302 * @hide 303 */ 304 public static final int START_INTENT_NOT_RESOLVED = FIRST_START_FATAL_ERROR_CODE + 9; 305 306 /** 307 * Result for IActivityManager.startAssistantActivity: active session is currently hidden. 308 * @hide 309 */ 310 public static final int START_ASSISTANT_HIDDEN_SESSION = FIRST_START_FATAL_ERROR_CODE + 10; 311 312 /** 313 * Result for IActivityManager.startAssistantActivity: active session does not match 314 * the requesting token. 315 * @hide 316 */ 317 public static final int START_ASSISTANT_NOT_ACTIVE_SESSION = FIRST_START_FATAL_ERROR_CODE + 11; 318 319 /** 320 * Result for IActivityManaqer.startActivity: the activity was started 321 * successfully as normal. 322 * @hide 323 */ 324 public static final int START_SUCCESS = FIRST_START_SUCCESS_CODE; 325 326 /** 327 * Result for IActivityManaqer.startActivity: the caller asked that the Intent not 328 * be executed if it is the recipient, and that is indeed the case. 329 * @hide 330 */ 331 public static final int START_RETURN_INTENT_TO_CALLER = FIRST_START_SUCCESS_CODE + 1; 332 333 /** 334 * Result for IActivityManaqer.startActivity: activity wasn't really started, but 335 * a task was simply brought to the foreground. 336 * @hide 337 */ 338 public static final int START_TASK_TO_FRONT = FIRST_START_SUCCESS_CODE + 2; 339 340 /** 341 * Result for IActivityManaqer.startActivity: activity wasn't really started, but 342 * the given Intent was given to the existing top activity. 343 * @hide 344 */ 345 public static final int START_DELIVERED_TO_TOP = FIRST_START_SUCCESS_CODE + 3; 346 347 /** 348 * Result for IActivityManaqer.startActivity: request was canceled because 349 * app switches are temporarily canceled to ensure the user's last request 350 * (such as pressing home) is performed. 351 * @hide 352 */ 353 public static final int START_SWITCHES_CANCELED = FIRST_START_NON_FATAL_ERROR_CODE; 354 355 /** 356 * Result for IActivityManaqer.startActivity: a new activity was attempted to be started 357 * while in Lock Task Mode. 358 * @hide 359 */ 360 public static final int START_RETURN_LOCK_TASK_MODE_VIOLATION = 361 FIRST_START_NON_FATAL_ERROR_CODE + 1; 362 363 /** 364 * Result for IActivityManaqer.startActivity: a new activity start was aborted. Never returned 365 * externally. 366 * @hide 367 */ 368 public static final int START_ABORTED = FIRST_START_NON_FATAL_ERROR_CODE + 2; 369 370 /** 371 * Flag for IActivityManaqer.startActivity: do special start mode where 372 * a new activity is launched only if it is needed. 373 * @hide 374 */ 375 public static final int START_FLAG_ONLY_IF_NEEDED = 1<<0; 376 377 /** 378 * Flag for IActivityManaqer.startActivity: launch the app for 379 * debugging. 380 * @hide 381 */ 382 public static final int START_FLAG_DEBUG = 1<<1; 383 384 /** 385 * Flag for IActivityManaqer.startActivity: launch the app for 386 * allocation tracking. 387 * @hide 388 */ 389 public static final int START_FLAG_TRACK_ALLOCATION = 1<<2; 390 391 /** 392 * Flag for IActivityManaqer.startActivity: launch the app with 393 * native debugging support. 394 * @hide 395 */ 396 public static final int START_FLAG_NATIVE_DEBUGGING = 1<<3; 397 398 /** 399 * Result for IActivityManaqer.broadcastIntent: success! 400 * @hide 401 */ 402 public static final int BROADCAST_SUCCESS = 0; 403 404 /** 405 * Result for IActivityManaqer.broadcastIntent: attempt to broadcast 406 * a sticky intent without appropriate permission. 407 * @hide 408 */ 409 public static final int BROADCAST_STICKY_CANT_HAVE_PERMISSION = -1; 410 411 /** 412 * Result for IActivityManager.broadcastIntent: trying to send a broadcast 413 * to a stopped user. Fail. 414 * @hide 415 */ 416 public static final int BROADCAST_FAILED_USER_STOPPED = -2; 417 418 /** 419 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 420 * for a sendBroadcast operation. 421 * @hide 422 */ 423 public static final int INTENT_SENDER_BROADCAST = 1; 424 425 /** 426 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 427 * for a startActivity operation. 428 * @hide 429 */ 430 public static final int INTENT_SENDER_ACTIVITY = 2; 431 432 /** 433 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 434 * for an activity result operation. 435 * @hide 436 */ 437 public static final int INTENT_SENDER_ACTIVITY_RESULT = 3; 438 439 /** 440 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 441 * for a startService operation. 442 * @hide 443 */ 444 public static final int INTENT_SENDER_SERVICE = 4; 445 446 /** 447 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 448 * for a startForegroundService operation. 449 * @hide 450 */ 451 public static final int INTENT_SENDER_FOREGROUND_SERVICE = 5; 452 453 /** @hide User operation call: success! */ 454 public static final int USER_OP_SUCCESS = 0; 455 456 /** @hide User operation call: given user id is not known. */ 457 public static final int USER_OP_UNKNOWN_USER = -1; 458 459 /** @hide User operation call: given user id is the current user, can't be stopped. */ 460 public static final int USER_OP_IS_CURRENT = -2; 461 462 /** @hide User operation call: system user can't be stopped. */ 463 public static final int USER_OP_ERROR_IS_SYSTEM = -3; 464 465 /** @hide User operation call: one of related users cannot be stopped. */ 466 public static final int USER_OP_ERROR_RELATED_USERS_CANNOT_STOP = -4; 467 468 /** 469 * @hide 470 * Process states, describing the kind of state a particular process is in. 471 * When updating these, make sure to also check all related references to the 472 * constant in code, and update these arrays: 473 * 474 * @see com.android.internal.app.procstats.ProcessState#PROCESS_STATE_TO_STATE 475 * @see com.android.server.am.ProcessList#sProcStateToProcMem 476 * @see com.android.server.am.ProcessList#sFirstAwakePssTimes 477 * @see com.android.server.am.ProcessList#sSameAwakePssTimes 478 * @see com.android.server.am.ProcessList#sTestFirstPssTimes 479 * @see com.android.server.am.ProcessList#sTestSamePssTimes 480 */ 481 482 /** @hide Not a real process state. */ 483 public static final int PROCESS_STATE_UNKNOWN = -1; 484 485 /** @hide Process is a persistent system process. */ 486 public static final int PROCESS_STATE_PERSISTENT = 0; 487 488 /** @hide Process is a persistent system process and is doing UI. */ 489 public static final int PROCESS_STATE_PERSISTENT_UI = 1; 490 491 /** @hide Process is hosting the current top activities. Note that this covers 492 * all activities that are visible to the user. */ 493 public static final int PROCESS_STATE_TOP = 2; 494 495 /** @hide Process is hosting a foreground service. */ 496 public static final int PROCESS_STATE_FOREGROUND_SERVICE = 3; 497 498 /** @hide Process is hosting a foreground service due to a system binding. */ 499 public static final int PROCESS_STATE_BOUND_FOREGROUND_SERVICE = 4; 500 501 /** @hide Process is important to the user, and something they are aware of. */ 502 public static final int PROCESS_STATE_IMPORTANT_FOREGROUND = 5; 503 504 /** @hide Process is important to the user, but not something they are aware of. */ 505 public static final int PROCESS_STATE_IMPORTANT_BACKGROUND = 6; 506 507 /** @hide Process is in the background transient so we will try to keep running. */ 508 public static final int PROCESS_STATE_TRANSIENT_BACKGROUND = 7; 509 510 /** @hide Process is in the background running a backup/restore operation. */ 511 public static final int PROCESS_STATE_BACKUP = 8; 512 513 /** @hide Process is in the background running a service. Unlike oom_adj, this level 514 * is used for both the normal running in background state and the executing 515 * operations state. */ 516 public static final int PROCESS_STATE_SERVICE = 9; 517 518 /** @hide Process is in the background running a receiver. Note that from the 519 * perspective of oom_adj, receivers run at a higher foreground level, but for our 520 * prioritization here that is not necessary and putting them below services means 521 * many fewer changes in some process states as they receive broadcasts. */ 522 public static final int PROCESS_STATE_RECEIVER = 10; 523 524 /** @hide Same as {@link #PROCESS_STATE_TOP} but while device is sleeping. */ 525 public static final int PROCESS_STATE_TOP_SLEEPING = 11; 526 527 /** @hide Process is in the background, but it can't restore its state so we want 528 * to try to avoid killing it. */ 529 public static final int PROCESS_STATE_HEAVY_WEIGHT = 12; 530 531 /** @hide Process is in the background but hosts the home activity. */ 532 public static final int PROCESS_STATE_HOME = 13; 533 534 /** @hide Process is in the background but hosts the last shown activity. */ 535 public static final int PROCESS_STATE_LAST_ACTIVITY = 14; 536 537 /** @hide Process is being cached for later use and contains activities. */ 538 public static final int PROCESS_STATE_CACHED_ACTIVITY = 15; 539 540 /** @hide Process is being cached for later use and is a client of another cached 541 * process that contains activities. */ 542 public static final int PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 16; 543 544 /** @hide Process is being cached for later use and has an activity that corresponds 545 * to an existing recent task. */ 546 public static final int PROCESS_STATE_CACHED_RECENT = 17; 547 548 /** @hide Process is being cached for later use and is empty. */ 549 public static final int PROCESS_STATE_CACHED_EMPTY = 18; 550 551 /** @hide Process does not exist. */ 552 public static final int PROCESS_STATE_NONEXISTENT = 19; 553 554 // NOTE: If PROCESS_STATEs are added, then new fields must be added 555 // to frameworks/base/core/proto/android/app/enums.proto and the following method must 556 // be updated to correctly map between them. 557 // However, if the current ActivityManager values are merely modified, no update should be made 558 // to enums.proto, to which values can only be added but never modified. Note that the proto 559 // versions do NOT have the ordering restrictions of the ActivityManager process state. 560 /** 561 * Maps ActivityManager.PROCESS_STATE_ values to enums.proto ProcessStateEnum value. 562 * 563 * @param amInt a process state of the form ActivityManager.PROCESS_STATE_ 564 * @return the value of the corresponding enums.proto ProcessStateEnum value. 565 * @hide 566 */ 567 public static final int processStateAmToProto(int amInt) { 568 switch (amInt) { 569 case PROCESS_STATE_UNKNOWN: 570 return AppProtoEnums.PROCESS_STATE_UNKNOWN; 571 case PROCESS_STATE_PERSISTENT: 572 return AppProtoEnums.PROCESS_STATE_PERSISTENT; 573 case PROCESS_STATE_PERSISTENT_UI: 574 return AppProtoEnums.PROCESS_STATE_PERSISTENT_UI; 575 case PROCESS_STATE_TOP: 576 return AppProtoEnums.PROCESS_STATE_TOP; 577 case PROCESS_STATE_FOREGROUND_SERVICE: 578 return AppProtoEnums.PROCESS_STATE_FOREGROUND_SERVICE; 579 case PROCESS_STATE_BOUND_FOREGROUND_SERVICE: 580 return AppProtoEnums.PROCESS_STATE_BOUND_FOREGROUND_SERVICE; 581 case PROCESS_STATE_IMPORTANT_FOREGROUND: 582 return AppProtoEnums.PROCESS_STATE_IMPORTANT_FOREGROUND; 583 case PROCESS_STATE_IMPORTANT_BACKGROUND: 584 return AppProtoEnums.PROCESS_STATE_IMPORTANT_BACKGROUND; 585 case PROCESS_STATE_TRANSIENT_BACKGROUND: 586 return AppProtoEnums.PROCESS_STATE_TRANSIENT_BACKGROUND; 587 case PROCESS_STATE_BACKUP: 588 return AppProtoEnums.PROCESS_STATE_BACKUP; 589 case PROCESS_STATE_SERVICE: 590 return AppProtoEnums.PROCESS_STATE_SERVICE; 591 case PROCESS_STATE_RECEIVER: 592 return AppProtoEnums.PROCESS_STATE_RECEIVER; 593 case PROCESS_STATE_TOP_SLEEPING: 594 return AppProtoEnums.PROCESS_STATE_TOP_SLEEPING; 595 case PROCESS_STATE_HEAVY_WEIGHT: 596 return AppProtoEnums.PROCESS_STATE_HEAVY_WEIGHT; 597 case PROCESS_STATE_HOME: 598 return AppProtoEnums.PROCESS_STATE_HOME; 599 case PROCESS_STATE_LAST_ACTIVITY: 600 return AppProtoEnums.PROCESS_STATE_LAST_ACTIVITY; 601 case PROCESS_STATE_CACHED_ACTIVITY: 602 return AppProtoEnums.PROCESS_STATE_CACHED_ACTIVITY; 603 case PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 604 return AppProtoEnums.PROCESS_STATE_CACHED_ACTIVITY_CLIENT; 605 case PROCESS_STATE_CACHED_RECENT: 606 return AppProtoEnums.PROCESS_STATE_CACHED_RECENT; 607 case PROCESS_STATE_CACHED_EMPTY: 608 return AppProtoEnums.PROCESS_STATE_CACHED_EMPTY; 609 case PROCESS_STATE_NONEXISTENT: 610 return AppProtoEnums.PROCESS_STATE_NONEXISTENT; 611 default: 612 // ActivityManager process state (amInt) 613 // could not be mapped to an AppProtoEnums ProcessState state. 614 return AppProtoEnums.PROCESS_STATE_UNKNOWN_TO_PROTO; 615 } 616 } 617 618 /** @hide The lowest process state number */ 619 public static final int MIN_PROCESS_STATE = PROCESS_STATE_PERSISTENT; 620 621 /** @hide The highest process state number */ 622 public static final int MAX_PROCESS_STATE = PROCESS_STATE_NONEXISTENT; 623 624 /** @hide Should this process state be considered a background state? */ 625 public static final boolean isProcStateBackground(int procState) { 626 return procState >= PROCESS_STATE_TRANSIENT_BACKGROUND; 627 } 628 629 /** @hide requestType for assist context: only basic information. */ 630 public static final int ASSIST_CONTEXT_BASIC = 0; 631 632 /** @hide requestType for assist context: generate full AssistStructure. */ 633 public static final int ASSIST_CONTEXT_FULL = 1; 634 635 /** @hide requestType for assist context: generate full AssistStructure for autofill. */ 636 public static final int ASSIST_CONTEXT_AUTOFILL = 2; 637 638 /** @hide Flag for registerUidObserver: report changes in process state. */ 639 public static final int UID_OBSERVER_PROCSTATE = 1<<0; 640 641 /** @hide Flag for registerUidObserver: report uid gone. */ 642 public static final int UID_OBSERVER_GONE = 1<<1; 643 644 /** @hide Flag for registerUidObserver: report uid has become idle. */ 645 public static final int UID_OBSERVER_IDLE = 1<<2; 646 647 /** @hide Flag for registerUidObserver: report uid has become active. */ 648 public static final int UID_OBSERVER_ACTIVE = 1<<3; 649 650 /** @hide Flag for registerUidObserver: report uid cached state has changed. */ 651 public static final int UID_OBSERVER_CACHED = 1<<4; 652 653 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: normal free-to-run operation. */ 654 public static final int APP_START_MODE_NORMAL = 0; 655 656 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: delay running until later. */ 657 public static final int APP_START_MODE_DELAYED = 1; 658 659 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: delay running until later, with 660 * rigid errors (throwing exception). */ 661 public static final int APP_START_MODE_DELAYED_RIGID = 2; 662 663 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: disable/cancel pending 664 * launches; this is the mode for ephemeral apps. */ 665 public static final int APP_START_MODE_DISABLED = 3; 666 667 /** 668 * Lock task mode is not active. 669 */ 670 public static final int LOCK_TASK_MODE_NONE = 0; 671 672 /** 673 * Full lock task mode is active. 674 */ 675 public static final int LOCK_TASK_MODE_LOCKED = 1; 676 677 /** 678 * App pinning mode is active. 679 */ 680 public static final int LOCK_TASK_MODE_PINNED = 2; 681 682 Point mAppTaskThumbnailSize; 683 684 /*package*/ ActivityManager(Context context, Handler handler) { 685 mContext = context; 686 } 687 688 /** 689 * Returns whether the launch was successful. 690 * @hide 691 */ 692 public static final boolean isStartResultSuccessful(int result) { 693 return FIRST_START_SUCCESS_CODE <= result && result <= LAST_START_SUCCESS_CODE; 694 } 695 696 /** 697 * Returns whether the launch result was a fatal error. 698 * @hide 699 */ 700 public static final boolean isStartResultFatalError(int result) { 701 return FIRST_START_FATAL_ERROR_CODE <= result && result <= LAST_START_FATAL_ERROR_CODE; 702 } 703 704 /** 705 * Screen compatibility mode: the application most always run in 706 * compatibility mode. 707 * @hide 708 */ 709 public static final int COMPAT_MODE_ALWAYS = -1; 710 711 /** 712 * Screen compatibility mode: the application can never run in 713 * compatibility mode. 714 * @hide 715 */ 716 public static final int COMPAT_MODE_NEVER = -2; 717 718 /** 719 * Screen compatibility mode: unknown. 720 * @hide 721 */ 722 public static final int COMPAT_MODE_UNKNOWN = -3; 723 724 /** 725 * Screen compatibility mode: the application currently has compatibility 726 * mode disabled. 727 * @hide 728 */ 729 public static final int COMPAT_MODE_DISABLED = 0; 730 731 /** 732 * Screen compatibility mode: the application currently has compatibility 733 * mode enabled. 734 * @hide 735 */ 736 public static final int COMPAT_MODE_ENABLED = 1; 737 738 /** 739 * Screen compatibility mode: request to toggle the application's 740 * compatibility mode. 741 * @hide 742 */ 743 public static final int COMPAT_MODE_TOGGLE = 2; 744 745 private static final boolean DEVELOPMENT_FORCE_LOW_RAM = 746 SystemProperties.getBoolean("debug.force_low_ram", false); 747 748 /** @hide */ 749 @TestApi 750 public static class StackId { 751 752 private StackId() { 753 } 754 755 /** Invalid stack ID. */ 756 public static final int INVALID_STACK_ID = -1; 757 758 } 759 760 /** 761 * Parameter to {@link android.app.IActivityManager#setTaskWindowingModeSplitScreenPrimary} 762 * which specifies the position of the created docked stack at the top half of the screen if 763 * in portrait mode or at the left half of the screen if in landscape mode. 764 * @hide 765 */ 766 @TestApi 767 public static final int SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT = 0; 768 769 /** 770 * Parameter to {@link android.app.IActivityManager#setTaskWindowingModeSplitScreenPrimary} 771 * which 772 * specifies the position of the created docked stack at the bottom half of the screen if 773 * in portrait mode or at the right half of the screen if in landscape mode. 774 * @hide 775 */ 776 @TestApi 777 public static final int SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT = 1; 778 779 /** 780 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 781 * that the resize doesn't need to preserve the window, and can be skipped if bounds 782 * is unchanged. This mode is used by window manager in most cases. 783 * @hide 784 */ 785 public static final int RESIZE_MODE_SYSTEM = 0; 786 787 /** 788 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 789 * that the resize should preserve the window if possible. 790 * @hide 791 */ 792 public static final int RESIZE_MODE_PRESERVE_WINDOW = (0x1 << 0); 793 794 /** 795 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 796 * that the resize should be performed even if the bounds appears unchanged. 797 * @hide 798 */ 799 public static final int RESIZE_MODE_FORCED = (0x1 << 1); 800 801 /** 802 * Input parameter to {@link android.app.IActivityManager#resizeTask} used by window 803 * manager during a screen rotation. 804 * @hide 805 */ 806 public static final int RESIZE_MODE_SYSTEM_SCREEN_ROTATION = RESIZE_MODE_PRESERVE_WINDOW; 807 808 /** 809 * Input parameter to {@link android.app.IActivityManager#resizeTask} used when the 810 * resize is due to a drag action. 811 * @hide 812 */ 813 public static final int RESIZE_MODE_USER = RESIZE_MODE_PRESERVE_WINDOW; 814 815 /** 816 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 817 * that the resize should preserve the window if possible, and should not be skipped 818 * even if the bounds is unchanged. Usually used to force a resizing when a drag action 819 * is ending. 820 * @hide 821 */ 822 public static final int RESIZE_MODE_USER_FORCED = 823 RESIZE_MODE_PRESERVE_WINDOW | RESIZE_MODE_FORCED; 824 825 /** @hide */ 826 public int getFrontActivityScreenCompatMode() { 827 try { 828 return getService().getFrontActivityScreenCompatMode(); 829 } catch (RemoteException e) { 830 throw e.rethrowFromSystemServer(); 831 } 832 } 833 834 /** @hide */ 835 public void setFrontActivityScreenCompatMode(int mode) { 836 try { 837 getService().setFrontActivityScreenCompatMode(mode); 838 } catch (RemoteException e) { 839 throw e.rethrowFromSystemServer(); 840 } 841 } 842 843 /** @hide */ 844 public int getPackageScreenCompatMode(String packageName) { 845 try { 846 return getService().getPackageScreenCompatMode(packageName); 847 } catch (RemoteException e) { 848 throw e.rethrowFromSystemServer(); 849 } 850 } 851 852 /** @hide */ 853 public void setPackageScreenCompatMode(String packageName, int mode) { 854 try { 855 getService().setPackageScreenCompatMode(packageName, mode); 856 } catch (RemoteException e) { 857 throw e.rethrowFromSystemServer(); 858 } 859 } 860 861 /** @hide */ 862 public boolean getPackageAskScreenCompat(String packageName) { 863 try { 864 return getService().getPackageAskScreenCompat(packageName); 865 } catch (RemoteException e) { 866 throw e.rethrowFromSystemServer(); 867 } 868 } 869 870 /** @hide */ 871 public void setPackageAskScreenCompat(String packageName, boolean ask) { 872 try { 873 getService().setPackageAskScreenCompat(packageName, ask); 874 } catch (RemoteException e) { 875 throw e.rethrowFromSystemServer(); 876 } 877 } 878 879 /** 880 * Return the approximate per-application memory class of the current 881 * device. This gives you an idea of how hard a memory limit you should 882 * impose on your application to let the overall system work best. The 883 * returned value is in megabytes; the baseline Android memory class is 884 * 16 (which happens to be the Java heap limit of those devices); some 885 * devices with more memory may return 24 or even higher numbers. 886 */ 887 public int getMemoryClass() { 888 return staticGetMemoryClass(); 889 } 890 891 /** @hide */ 892 static public int staticGetMemoryClass() { 893 // Really brain dead right now -- just take this from the configured 894 // vm heap size, and assume it is in megabytes and thus ends with "m". 895 String vmHeapSize = SystemProperties.get("dalvik.vm.heapgrowthlimit", ""); 896 if (vmHeapSize != null && !"".equals(vmHeapSize)) { 897 return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); 898 } 899 return staticGetLargeMemoryClass(); 900 } 901 902 /** 903 * Return the approximate per-application memory class of the current 904 * device when an application is running with a large heap. This is the 905 * space available for memory-intensive applications; most applications 906 * should not need this amount of memory, and should instead stay with the 907 * {@link #getMemoryClass()} limit. The returned value is in megabytes. 908 * This may be the same size as {@link #getMemoryClass()} on memory 909 * constrained devices, or it may be significantly larger on devices with 910 * a large amount of available RAM. 911 * 912 * <p>This is the size of the application's Dalvik heap if it has 913 * specified <code>android:largeHeap="true"</code> in its manifest. 914 */ 915 public int getLargeMemoryClass() { 916 return staticGetLargeMemoryClass(); 917 } 918 919 /** @hide */ 920 static public int staticGetLargeMemoryClass() { 921 // Really brain dead right now -- just take this from the configured 922 // vm heap size, and assume it is in megabytes and thus ends with "m". 923 String vmHeapSize = SystemProperties.get("dalvik.vm.heapsize", "16m"); 924 return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length() - 1)); 925 } 926 927 /** 928 * Returns true if this is a low-RAM device. Exactly whether a device is low-RAM 929 * is ultimately up to the device configuration, but currently it generally means 930 * something with 1GB or less of RAM. This is mostly intended to be used by apps 931 * to determine whether they should turn off certain features that require more RAM. 932 */ 933 public boolean isLowRamDevice() { 934 return isLowRamDeviceStatic(); 935 } 936 937 /** @hide */ 938 public static boolean isLowRamDeviceStatic() { 939 return RoSystemProperties.CONFIG_LOW_RAM || 940 (Build.IS_DEBUGGABLE && DEVELOPMENT_FORCE_LOW_RAM); 941 } 942 943 /** 944 * Returns true if this is a small battery device. Exactly whether a device is considered to be 945 * small battery is ultimately up to the device configuration, but currently it generally means 946 * something in the class of a device with 1000 mAh or less. This is mostly intended to be used 947 * to determine whether certain features should be altered to account for a drastically smaller 948 * battery. 949 * @hide 950 */ 951 public static boolean isSmallBatteryDevice() { 952 return RoSystemProperties.CONFIG_SMALL_BATTERY; 953 } 954 955 /** 956 * Used by persistent processes to determine if they are running on a 957 * higher-end device so should be okay using hardware drawing acceleration 958 * (which tends to consume a lot more RAM). 959 * @hide 960 */ 961 static public boolean isHighEndGfx() { 962 return !isLowRamDeviceStatic() && 963 !Resources.getSystem().getBoolean(com.android.internal.R.bool.config_avoidGfxAccel); 964 } 965 966 /** 967 * Return the maximum number of recents entries that we will maintain and show. 968 * @hide 969 */ 970 static public int getMaxRecentTasksStatic() { 971 if (gMaxRecentTasks < 0) { 972 return gMaxRecentTasks = isLowRamDeviceStatic() ? 36 : 48; 973 } 974 return gMaxRecentTasks; 975 } 976 977 /** 978 * Return the default limit on the number of recents that an app can make. 979 * @hide 980 */ 981 static public int getDefaultAppRecentsLimitStatic() { 982 return getMaxRecentTasksStatic() / 6; 983 } 984 985 /** 986 * Return the maximum limit on the number of recents that an app can make. 987 * @hide 988 */ 989 static public int getMaxAppRecentsLimitStatic() { 990 return getMaxRecentTasksStatic() / 2; 991 } 992 993 /** 994 * Returns true if the system supports at least one form of multi-window. 995 * E.g. freeform, split-screen, picture-in-picture. 996 * @hide 997 */ 998 @TestApi 999 static public boolean supportsMultiWindow(Context context) { 1000 // On watches, multi-window is used to present essential system UI, and thus it must be 1001 // supported regardless of device memory characteristics. 1002 boolean isWatch = context.getPackageManager().hasSystemFeature( 1003 PackageManager.FEATURE_WATCH); 1004 return (!isLowRamDeviceStatic() || isWatch) 1005 && Resources.getSystem().getBoolean( 1006 com.android.internal.R.bool.config_supportsMultiWindow); 1007 } 1008 1009 /** 1010 * Returns true if the system supports split screen multi-window. 1011 * @hide 1012 */ 1013 @TestApi 1014 static public boolean supportsSplitScreenMultiWindow(Context context) { 1015 return supportsMultiWindow(context) 1016 && Resources.getSystem().getBoolean( 1017 com.android.internal.R.bool.config_supportsSplitScreenMultiWindow); 1018 } 1019 1020 /** @removed */ 1021 @Deprecated 1022 public static int getMaxNumPictureInPictureActions() { 1023 return 3; 1024 } 1025 1026 /** 1027 * Information you can set and retrieve about the current activity within the recent task list. 1028 */ 1029 public static class TaskDescription implements Parcelable { 1030 /** @hide */ 1031 public static final String ATTR_TASKDESCRIPTION_PREFIX = "task_description_"; 1032 private static final String ATTR_TASKDESCRIPTIONLABEL = 1033 ATTR_TASKDESCRIPTION_PREFIX + "label"; 1034 private static final String ATTR_TASKDESCRIPTIONCOLOR_PRIMARY = 1035 ATTR_TASKDESCRIPTION_PREFIX + "color"; 1036 private static final String ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND = 1037 ATTR_TASKDESCRIPTION_PREFIX + "colorBackground"; 1038 private static final String ATTR_TASKDESCRIPTIONICON_FILENAME = 1039 ATTR_TASKDESCRIPTION_PREFIX + "icon_filename"; 1040 private static final String ATTR_TASKDESCRIPTIONICON_RESOURCE = 1041 ATTR_TASKDESCRIPTION_PREFIX + "icon_resource"; 1042 1043 private String mLabel; 1044 private Bitmap mIcon; 1045 private int mIconRes; 1046 private String mIconFilename; 1047 private int mColorPrimary; 1048 private int mColorBackground; 1049 private int mStatusBarColor; 1050 private int mNavigationBarColor; 1051 1052 /** 1053 * Creates the TaskDescription to the specified values. 1054 * 1055 * @param label A label and description of the current state of this task. 1056 * @param icon An icon that represents the current state of this task. 1057 * @param colorPrimary A color to override the theme's primary color. This color must be 1058 * opaque. 1059 * @deprecated use TaskDescription constructor with icon resource instead 1060 */ 1061 @Deprecated 1062 public TaskDescription(String label, Bitmap icon, int colorPrimary) { 1063 this(label, icon, 0, null, colorPrimary, 0, 0, 0); 1064 if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) { 1065 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1066 } 1067 } 1068 1069 /** 1070 * Creates the TaskDescription to the specified values. 1071 * 1072 * @param label A label and description of the current state of this task. 1073 * @param iconRes A drawable resource of an icon that represents the current state of this 1074 * activity. 1075 * @param colorPrimary A color to override the theme's primary color. This color must be 1076 * opaque. 1077 */ 1078 public TaskDescription(String label, @DrawableRes int iconRes, int colorPrimary) { 1079 this(label, null, iconRes, null, colorPrimary, 0, 0, 0); 1080 if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) { 1081 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1082 } 1083 } 1084 1085 /** 1086 * Creates the TaskDescription to the specified values. 1087 * 1088 * @param label A label and description of the current state of this activity. 1089 * @param icon An icon that represents the current state of this activity. 1090 * @deprecated use TaskDescription constructor with icon resource instead 1091 */ 1092 @Deprecated 1093 public TaskDescription(String label, Bitmap icon) { 1094 this(label, icon, 0, null, 0, 0, 0, 0); 1095 } 1096 1097 /** 1098 * Creates the TaskDescription to the specified values. 1099 * 1100 * @param label A label and description of the current state of this activity. 1101 * @param iconRes A drawable resource of an icon that represents the current state of this 1102 * activity. 1103 */ 1104 public TaskDescription(String label, @DrawableRes int iconRes) { 1105 this(label, null, iconRes, null, 0, 0, 0, 0); 1106 } 1107 1108 /** 1109 * Creates the TaskDescription to the specified values. 1110 * 1111 * @param label A label and description of the current state of this activity. 1112 */ 1113 public TaskDescription(String label) { 1114 this(label, null, 0, null, 0, 0, 0, 0); 1115 } 1116 1117 /** 1118 * Creates an empty TaskDescription. 1119 */ 1120 public TaskDescription() { 1121 this(null, null, 0, null, 0, 0, 0, 0); 1122 } 1123 1124 /** @hide */ 1125 public TaskDescription(String label, Bitmap bitmap, int iconRes, String iconFilename, 1126 int colorPrimary, int colorBackground, int statusBarColor, int navigationBarColor) { 1127 mLabel = label; 1128 mIcon = bitmap; 1129 mIconRes = iconRes; 1130 mIconFilename = iconFilename; 1131 mColorPrimary = colorPrimary; 1132 mColorBackground = colorBackground; 1133 mStatusBarColor = statusBarColor; 1134 mNavigationBarColor = navigationBarColor; 1135 } 1136 1137 /** 1138 * Creates a copy of another TaskDescription. 1139 */ 1140 public TaskDescription(TaskDescription td) { 1141 copyFrom(td); 1142 } 1143 1144 /** 1145 * Copies this the values from another TaskDescription. 1146 * @hide 1147 */ 1148 public void copyFrom(TaskDescription other) { 1149 mLabel = other.mLabel; 1150 mIcon = other.mIcon; 1151 mIconRes = other.mIconRes; 1152 mIconFilename = other.mIconFilename; 1153 mColorPrimary = other.mColorPrimary; 1154 mColorBackground = other.mColorBackground; 1155 mStatusBarColor = other.mStatusBarColor; 1156 mNavigationBarColor = other.mNavigationBarColor; 1157 } 1158 1159 /** 1160 * Copies this the values from another TaskDescription, but preserves the hidden fields 1161 * if they weren't set on {@code other} 1162 * @hide 1163 */ 1164 public void copyFromPreserveHiddenFields(TaskDescription other) { 1165 mLabel = other.mLabel; 1166 mIcon = other.mIcon; 1167 mIconRes = other.mIconRes; 1168 mIconFilename = other.mIconFilename; 1169 mColorPrimary = other.mColorPrimary; 1170 if (other.mColorBackground != 0) { 1171 mColorBackground = other.mColorBackground; 1172 } 1173 if (other.mStatusBarColor != 0) { 1174 mStatusBarColor = other.mStatusBarColor; 1175 } 1176 if (other.mNavigationBarColor != 0) { 1177 mNavigationBarColor = other.mNavigationBarColor; 1178 } 1179 } 1180 1181 private TaskDescription(Parcel source) { 1182 readFromParcel(source); 1183 } 1184 1185 /** 1186 * Sets the label for this task description. 1187 * @hide 1188 */ 1189 public void setLabel(String label) { 1190 mLabel = label; 1191 } 1192 1193 /** 1194 * Sets the primary color for this task description. 1195 * @hide 1196 */ 1197 public void setPrimaryColor(int primaryColor) { 1198 // Ensure that the given color is valid 1199 if ((primaryColor != 0) && (Color.alpha(primaryColor) != 255)) { 1200 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1201 } 1202 mColorPrimary = primaryColor; 1203 } 1204 1205 /** 1206 * Sets the background color for this task description. 1207 * @hide 1208 */ 1209 public void setBackgroundColor(int backgroundColor) { 1210 // Ensure that the given color is valid 1211 if ((backgroundColor != 0) && (Color.alpha(backgroundColor) != 255)) { 1212 throw new RuntimeException("A TaskDescription's background color should be opaque"); 1213 } 1214 mColorBackground = backgroundColor; 1215 } 1216 1217 /** 1218 * @hide 1219 */ 1220 public void setStatusBarColor(int statusBarColor) { 1221 mStatusBarColor = statusBarColor; 1222 } 1223 1224 /** 1225 * @hide 1226 */ 1227 public void setNavigationBarColor(int navigationBarColor) { 1228 mNavigationBarColor = navigationBarColor; 1229 } 1230 1231 /** 1232 * Sets the icon for this task description. 1233 * @hide 1234 */ 1235 public void setIcon(Bitmap icon) { 1236 mIcon = icon; 1237 } 1238 1239 /** 1240 * Sets the icon resource for this task description. 1241 * @hide 1242 */ 1243 public void setIcon(int iconRes) { 1244 mIconRes = iconRes; 1245 } 1246 1247 /** 1248 * Moves the icon bitmap reference from an actual Bitmap to a file containing the 1249 * bitmap. 1250 * @hide 1251 */ 1252 public void setIconFilename(String iconFilename) { 1253 mIconFilename = iconFilename; 1254 mIcon = null; 1255 } 1256 1257 /** 1258 * @return The label and description of the current state of this task. 1259 */ 1260 public String getLabel() { 1261 return mLabel; 1262 } 1263 1264 /** 1265 * @return The icon that represents the current state of this task. 1266 */ 1267 public Bitmap getIcon() { 1268 if (mIcon != null) { 1269 return mIcon; 1270 } 1271 return loadTaskDescriptionIcon(mIconFilename, UserHandle.myUserId()); 1272 } 1273 1274 /** @hide */ 1275 @TestApi 1276 public int getIconResource() { 1277 return mIconRes; 1278 } 1279 1280 /** @hide */ 1281 @TestApi 1282 public String getIconFilename() { 1283 return mIconFilename; 1284 } 1285 1286 /** @hide */ 1287 public Bitmap getInMemoryIcon() { 1288 return mIcon; 1289 } 1290 1291 /** @hide */ 1292 public static Bitmap loadTaskDescriptionIcon(String iconFilename, int userId) { 1293 if (iconFilename != null) { 1294 try { 1295 return getService().getTaskDescriptionIcon(iconFilename, 1296 userId); 1297 } catch (RemoteException e) { 1298 throw e.rethrowFromSystemServer(); 1299 } 1300 } 1301 return null; 1302 } 1303 1304 /** 1305 * @return The color override on the theme's primary color. 1306 */ 1307 public int getPrimaryColor() { 1308 return mColorPrimary; 1309 } 1310 1311 /** 1312 * @return The background color. 1313 * @hide 1314 */ 1315 public int getBackgroundColor() { 1316 return mColorBackground; 1317 } 1318 1319 /** 1320 * @hide 1321 */ 1322 public int getStatusBarColor() { 1323 return mStatusBarColor; 1324 } 1325 1326 /** 1327 * @hide 1328 */ 1329 public int getNavigationBarColor() { 1330 return mNavigationBarColor; 1331 } 1332 1333 /** @hide */ 1334 public void saveToXml(XmlSerializer out) throws IOException { 1335 if (mLabel != null) { 1336 out.attribute(null, ATTR_TASKDESCRIPTIONLABEL, mLabel); 1337 } 1338 if (mColorPrimary != 0) { 1339 out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_PRIMARY, 1340 Integer.toHexString(mColorPrimary)); 1341 } 1342 if (mColorBackground != 0) { 1343 out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND, 1344 Integer.toHexString(mColorBackground)); 1345 } 1346 if (mIconFilename != null) { 1347 out.attribute(null, ATTR_TASKDESCRIPTIONICON_FILENAME, mIconFilename); 1348 } 1349 if (mIconRes != 0) { 1350 out.attribute(null, ATTR_TASKDESCRIPTIONICON_RESOURCE, Integer.toString(mIconRes)); 1351 } 1352 } 1353 1354 /** @hide */ 1355 public void restoreFromXml(String attrName, String attrValue) { 1356 if (ATTR_TASKDESCRIPTIONLABEL.equals(attrName)) { 1357 setLabel(attrValue); 1358 } else if (ATTR_TASKDESCRIPTIONCOLOR_PRIMARY.equals(attrName)) { 1359 setPrimaryColor((int) Long.parseLong(attrValue, 16)); 1360 } else if (ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND.equals(attrName)) { 1361 setBackgroundColor((int) Long.parseLong(attrValue, 16)); 1362 } else if (ATTR_TASKDESCRIPTIONICON_FILENAME.equals(attrName)) { 1363 setIconFilename(attrValue); 1364 } else if (ATTR_TASKDESCRIPTIONICON_RESOURCE.equals(attrName)) { 1365 setIcon(Integer.parseInt(attrValue, 10)); 1366 } 1367 } 1368 1369 @Override 1370 public int describeContents() { 1371 return 0; 1372 } 1373 1374 @Override 1375 public void writeToParcel(Parcel dest, int flags) { 1376 if (mLabel == null) { 1377 dest.writeInt(0); 1378 } else { 1379 dest.writeInt(1); 1380 dest.writeString(mLabel); 1381 } 1382 if (mIcon == null) { 1383 dest.writeInt(0); 1384 } else { 1385 dest.writeInt(1); 1386 mIcon.writeToParcel(dest, 0); 1387 } 1388 dest.writeInt(mIconRes); 1389 dest.writeInt(mColorPrimary); 1390 dest.writeInt(mColorBackground); 1391 dest.writeInt(mStatusBarColor); 1392 dest.writeInt(mNavigationBarColor); 1393 if (mIconFilename == null) { 1394 dest.writeInt(0); 1395 } else { 1396 dest.writeInt(1); 1397 dest.writeString(mIconFilename); 1398 } 1399 } 1400 1401 public void readFromParcel(Parcel source) { 1402 mLabel = source.readInt() > 0 ? source.readString() : null; 1403 mIcon = source.readInt() > 0 ? Bitmap.CREATOR.createFromParcel(source) : null; 1404 mIconRes = source.readInt(); 1405 mColorPrimary = source.readInt(); 1406 mColorBackground = source.readInt(); 1407 mStatusBarColor = source.readInt(); 1408 mNavigationBarColor = source.readInt(); 1409 mIconFilename = source.readInt() > 0 ? source.readString() : null; 1410 } 1411 1412 public static final Creator<TaskDescription> CREATOR 1413 = new Creator<TaskDescription>() { 1414 public TaskDescription createFromParcel(Parcel source) { 1415 return new TaskDescription(source); 1416 } 1417 public TaskDescription[] newArray(int size) { 1418 return new TaskDescription[size]; 1419 } 1420 }; 1421 1422 @Override 1423 public String toString() { 1424 return "TaskDescription Label: " + mLabel + " Icon: " + mIcon + 1425 " IconRes: " + mIconRes + " IconFilename: " + mIconFilename + 1426 " colorPrimary: " + mColorPrimary + " colorBackground: " + mColorBackground + 1427 " statusBarColor: " + mColorBackground + 1428 " navigationBarColor: " + mNavigationBarColor; 1429 } 1430 } 1431 1432 /** 1433 * Information you can retrieve about tasks that the user has most recently 1434 * started or visited. 1435 */ 1436 public static class RecentTaskInfo implements Parcelable { 1437 /** 1438 * If this task is currently running, this is the identifier for it. 1439 * If it is not running, this will be -1. 1440 */ 1441 public int id; 1442 1443 /** 1444 * The true identifier of this task, valid even if it is not running. 1445 */ 1446 public int persistentId; 1447 1448 /** 1449 * The original Intent used to launch the task. You can use this 1450 * Intent to re-launch the task (if it is no longer running) or bring 1451 * the current task to the front. 1452 */ 1453 public Intent baseIntent; 1454 1455 /** 1456 * If this task was started from an alias, this is the actual 1457 * activity component that was initially started; the component of 1458 * the baseIntent in this case is the name of the actual activity 1459 * implementation that the alias referred to. Otherwise, this is null. 1460 */ 1461 public ComponentName origActivity; 1462 1463 /** 1464 * The actual activity component that started the task. 1465 * @hide 1466 */ 1467 @Nullable 1468 public ComponentName realActivity; 1469 1470 /** 1471 * Description of the task's last state. 1472 */ 1473 public CharSequence description; 1474 1475 /** 1476 * The id of the ActivityStack this Task was on most recently. 1477 * @hide 1478 */ 1479 public int stackId; 1480 1481 /** 1482 * The id of the user the task was running as. 1483 * @hide 1484 */ 1485 public int userId; 1486 1487 /** 1488 * The first time this task was active. 1489 * @hide 1490 */ 1491 public long firstActiveTime; 1492 1493 /** 1494 * The last time this task was active. 1495 * @hide 1496 */ 1497 public long lastActiveTime; 1498 1499 /** 1500 * The recent activity values for the highest activity in the stack to have set the values. 1501 * {@link Activity#setTaskDescription(android.app.ActivityManager.TaskDescription)}. 1502 */ 1503 public TaskDescription taskDescription; 1504 1505 /** 1506 * Task affiliation for grouping with other tasks. 1507 */ 1508 public int affiliatedTaskId; 1509 1510 /** 1511 * Task affiliation color of the source task with the affiliated task id. 1512 * 1513 * @hide 1514 */ 1515 public int affiliatedTaskColor; 1516 1517 /** 1518 * The component launched as the first activity in the task. 1519 * This can be considered the "application" of this task. 1520 */ 1521 public ComponentName baseActivity; 1522 1523 /** 1524 * The activity component at the top of the history stack of the task. 1525 * This is what the user is currently doing. 1526 */ 1527 public ComponentName topActivity; 1528 1529 /** 1530 * Number of activities in this task. 1531 */ 1532 public int numActivities; 1533 1534 /** 1535 * The bounds of the task. 1536 * @hide 1537 */ 1538 public Rect bounds; 1539 1540 /** 1541 * True if the task can go in the docked stack. 1542 * @hide 1543 */ 1544 public boolean supportsSplitScreenMultiWindow; 1545 1546 /** 1547 * The resize mode of the task. See {@link ActivityInfo#resizeMode}. 1548 * @hide 1549 */ 1550 public int resizeMode; 1551 1552 /** 1553 * The current configuration this task is in. 1554 * @hide 1555 */ 1556 final public Configuration configuration = new Configuration(); 1557 1558 public RecentTaskInfo() { 1559 } 1560 1561 @Override 1562 public int describeContents() { 1563 return 0; 1564 } 1565 1566 @Override 1567 public void writeToParcel(Parcel dest, int flags) { 1568 dest.writeInt(id); 1569 dest.writeInt(persistentId); 1570 if (baseIntent != null) { 1571 dest.writeInt(1); 1572 baseIntent.writeToParcel(dest, 0); 1573 } else { 1574 dest.writeInt(0); 1575 } 1576 ComponentName.writeToParcel(origActivity, dest); 1577 ComponentName.writeToParcel(realActivity, dest); 1578 TextUtils.writeToParcel(description, dest, 1579 Parcelable.PARCELABLE_WRITE_RETURN_VALUE); 1580 if (taskDescription != null) { 1581 dest.writeInt(1); 1582 taskDescription.writeToParcel(dest, 0); 1583 } else { 1584 dest.writeInt(0); 1585 } 1586 dest.writeInt(stackId); 1587 dest.writeInt(userId); 1588 dest.writeLong(lastActiveTime); 1589 dest.writeInt(affiliatedTaskId); 1590 dest.writeInt(affiliatedTaskColor); 1591 ComponentName.writeToParcel(baseActivity, dest); 1592 ComponentName.writeToParcel(topActivity, dest); 1593 dest.writeInt(numActivities); 1594 if (bounds != null) { 1595 dest.writeInt(1); 1596 bounds.writeToParcel(dest, 0); 1597 } else { 1598 dest.writeInt(0); 1599 } 1600 dest.writeInt(supportsSplitScreenMultiWindow ? 1 : 0); 1601 dest.writeInt(resizeMode); 1602 configuration.writeToParcel(dest, flags); 1603 } 1604 1605 public void readFromParcel(Parcel source) { 1606 id = source.readInt(); 1607 persistentId = source.readInt(); 1608 baseIntent = source.readInt() > 0 ? Intent.CREATOR.createFromParcel(source) : null; 1609 origActivity = ComponentName.readFromParcel(source); 1610 realActivity = ComponentName.readFromParcel(source); 1611 description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 1612 taskDescription = source.readInt() > 0 ? 1613 TaskDescription.CREATOR.createFromParcel(source) : null; 1614 stackId = source.readInt(); 1615 userId = source.readInt(); 1616 lastActiveTime = source.readLong(); 1617 affiliatedTaskId = source.readInt(); 1618 affiliatedTaskColor = source.readInt(); 1619 baseActivity = ComponentName.readFromParcel(source); 1620 topActivity = ComponentName.readFromParcel(source); 1621 numActivities = source.readInt(); 1622 bounds = source.readInt() > 0 ? 1623 Rect.CREATOR.createFromParcel(source) : null; 1624 supportsSplitScreenMultiWindow = source.readInt() == 1; 1625 resizeMode = source.readInt(); 1626 configuration.readFromParcel(source); 1627 } 1628 1629 public static final Creator<RecentTaskInfo> CREATOR 1630 = new Creator<RecentTaskInfo>() { 1631 public RecentTaskInfo createFromParcel(Parcel source) { 1632 return new RecentTaskInfo(source); 1633 } 1634 public RecentTaskInfo[] newArray(int size) { 1635 return new RecentTaskInfo[size]; 1636 } 1637 }; 1638 1639 private RecentTaskInfo(Parcel source) { 1640 readFromParcel(source); 1641 } 1642 } 1643 1644 /** 1645 * Flag for use with {@link #getRecentTasks}: return all tasks, even those 1646 * that have set their 1647 * {@link android.content.Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag. 1648 */ 1649 public static final int RECENT_WITH_EXCLUDED = 0x0001; 1650 1651 /** 1652 * Provides a list that does not contain any 1653 * recent tasks that currently are not available to the user. 1654 */ 1655 public static final int RECENT_IGNORE_UNAVAILABLE = 0x0002; 1656 1657 /** 1658 * <p></p>Return a list of the tasks that the user has recently launched, with 1659 * the most recent being first and older ones after in order. 1660 * 1661 * <p><b>Note: this method is only intended for debugging and presenting 1662 * task management user interfaces</b>. This should never be used for 1663 * core logic in an application, such as deciding between different 1664 * behaviors based on the information found here. Such uses are 1665 * <em>not</em> supported, and will likely break in the future. For 1666 * example, if multiple applications can be actively running at the 1667 * same time, assumptions made about the meaning of the data here for 1668 * purposes of control flow will be incorrect.</p> 1669 * 1670 * @deprecated As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method is 1671 * no longer available to third party applications: the introduction of 1672 * document-centric recents means 1673 * it can leak personal information to the caller. For backwards compatibility, 1674 * it will still return a small subset of its data: at least the caller's 1675 * own tasks (though see {@link #getAppTasks()} for the correct supported 1676 * way to retrieve that information), and possibly some other tasks 1677 * such as home that are known to not be sensitive. 1678 * 1679 * @param maxNum The maximum number of entries to return in the list. The 1680 * actual number returned may be smaller, depending on how many tasks the 1681 * user has started and the maximum number the system can remember. 1682 * @param flags Information about what to return. May be any combination 1683 * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}. 1684 * 1685 * @return Returns a list of RecentTaskInfo records describing each of 1686 * the recent tasks. 1687 */ 1688 @Deprecated 1689 public List<RecentTaskInfo> getRecentTasks(int maxNum, int flags) 1690 throws SecurityException { 1691 try { 1692 if (maxNum < 0) { 1693 throw new IllegalArgumentException("The requested number of tasks should be >= 0"); 1694 } 1695 return getService().getRecentTasks(maxNum, flags, mContext.getUserId()).getList(); 1696 } catch (RemoteException e) { 1697 throw e.rethrowFromSystemServer(); 1698 } 1699 } 1700 1701 /** 1702 * Information you can retrieve about a particular task that is currently 1703 * "running" in the system. Note that a running task does not mean the 1704 * given task actually has a process it is actively running in; it simply 1705 * means that the user has gone to it and never closed it, but currently 1706 * the system may have killed its process and is only holding on to its 1707 * last state in order to restart it when the user returns. 1708 */ 1709 public static class RunningTaskInfo implements Parcelable { 1710 /** 1711 * A unique identifier for this task. 1712 */ 1713 public int id; 1714 1715 /** 1716 * The stack that currently contains this task. 1717 * @hide 1718 */ 1719 public int stackId; 1720 1721 /** 1722 * The component launched as the first activity in the task. This can 1723 * be considered the "application" of this task. 1724 */ 1725 public ComponentName baseActivity; 1726 1727 /** 1728 * The activity component at the top of the history stack of the task. 1729 * This is what the user is currently doing. 1730 */ 1731 public ComponentName topActivity; 1732 1733 /** 1734 * Thumbnail representation of the task's current state. Currently 1735 * always null. 1736 */ 1737 public Bitmap thumbnail; 1738 1739 /** 1740 * Description of the task's current state. 1741 */ 1742 public CharSequence description; 1743 1744 /** 1745 * Number of activities in this task. 1746 */ 1747 public int numActivities; 1748 1749 /** 1750 * Number of activities that are currently running (not stopped 1751 * and persisted) in this task. 1752 */ 1753 public int numRunning; 1754 1755 /** 1756 * Last time task was run. For sorting. 1757 * @hide 1758 */ 1759 public long lastActiveTime; 1760 1761 /** 1762 * True if the task can go in the docked stack. 1763 * @hide 1764 */ 1765 public boolean supportsSplitScreenMultiWindow; 1766 1767 /** 1768 * The resize mode of the task. See {@link ActivityInfo#resizeMode}. 1769 * @hide 1770 */ 1771 public int resizeMode; 1772 1773 /** 1774 * The full configuration the task is currently running in. 1775 * @hide 1776 */ 1777 final public Configuration configuration = new Configuration(); 1778 1779 public RunningTaskInfo() { 1780 } 1781 1782 public int describeContents() { 1783 return 0; 1784 } 1785 1786 public void writeToParcel(Parcel dest, int flags) { 1787 dest.writeInt(id); 1788 dest.writeInt(stackId); 1789 ComponentName.writeToParcel(baseActivity, dest); 1790 ComponentName.writeToParcel(topActivity, dest); 1791 if (thumbnail != null) { 1792 dest.writeInt(1); 1793 thumbnail.writeToParcel(dest, 0); 1794 } else { 1795 dest.writeInt(0); 1796 } 1797 TextUtils.writeToParcel(description, dest, 1798 Parcelable.PARCELABLE_WRITE_RETURN_VALUE); 1799 dest.writeInt(numActivities); 1800 dest.writeInt(numRunning); 1801 dest.writeInt(supportsSplitScreenMultiWindow ? 1 : 0); 1802 dest.writeInt(resizeMode); 1803 configuration.writeToParcel(dest, flags); 1804 } 1805 1806 public void readFromParcel(Parcel source) { 1807 id = source.readInt(); 1808 stackId = source.readInt(); 1809 baseActivity = ComponentName.readFromParcel(source); 1810 topActivity = ComponentName.readFromParcel(source); 1811 if (source.readInt() != 0) { 1812 thumbnail = Bitmap.CREATOR.createFromParcel(source); 1813 } else { 1814 thumbnail = null; 1815 } 1816 description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 1817 numActivities = source.readInt(); 1818 numRunning = source.readInt(); 1819 supportsSplitScreenMultiWindow = source.readInt() != 0; 1820 resizeMode = source.readInt(); 1821 configuration.readFromParcel(source); 1822 } 1823 1824 public static final Creator<RunningTaskInfo> CREATOR = new Creator<RunningTaskInfo>() { 1825 public RunningTaskInfo createFromParcel(Parcel source) { 1826 return new RunningTaskInfo(source); 1827 } 1828 public RunningTaskInfo[] newArray(int size) { 1829 return new RunningTaskInfo[size]; 1830 } 1831 }; 1832 1833 private RunningTaskInfo(Parcel source) { 1834 readFromParcel(source); 1835 } 1836 } 1837 1838 /** 1839 * Get the list of tasks associated with the calling application. 1840 * 1841 * @return The list of tasks associated with the application making this call. 1842 * @throws SecurityException 1843 */ 1844 public List<ActivityManager.AppTask> getAppTasks() { 1845 ArrayList<AppTask> tasks = new ArrayList<AppTask>(); 1846 List<IBinder> appTasks; 1847 try { 1848 appTasks = getService().getAppTasks(mContext.getPackageName()); 1849 } catch (RemoteException e) { 1850 throw e.rethrowFromSystemServer(); 1851 } 1852 int numAppTasks = appTasks.size(); 1853 for (int i = 0; i < numAppTasks; i++) { 1854 tasks.add(new AppTask(IAppTask.Stub.asInterface(appTasks.get(i)))); 1855 } 1856 return tasks; 1857 } 1858 1859 /** 1860 * Return the current design dimensions for {@link AppTask} thumbnails, for use 1861 * with {@link #addAppTask}. 1862 */ 1863 public Size getAppTaskThumbnailSize() { 1864 synchronized (this) { 1865 ensureAppTaskThumbnailSizeLocked(); 1866 return new Size(mAppTaskThumbnailSize.x, mAppTaskThumbnailSize.y); 1867 } 1868 } 1869 1870 private void ensureAppTaskThumbnailSizeLocked() { 1871 if (mAppTaskThumbnailSize == null) { 1872 try { 1873 mAppTaskThumbnailSize = getService().getAppTaskThumbnailSize(); 1874 } catch (RemoteException e) { 1875 throw e.rethrowFromSystemServer(); 1876 } 1877 } 1878 } 1879 1880 /** 1881 * Add a new {@link AppTask} for the calling application. This will create a new 1882 * recents entry that is added to the <b>end</b> of all existing recents. 1883 * 1884 * @param activity The activity that is adding the entry. This is used to help determine 1885 * the context that the new recents entry will be in. 1886 * @param intent The Intent that describes the recents entry. This is the same Intent that 1887 * you would have used to launch the activity for it. In generally you will want to set 1888 * both {@link Intent#FLAG_ACTIVITY_NEW_DOCUMENT} and 1889 * {@link Intent#FLAG_ACTIVITY_RETAIN_IN_RECENTS}; the latter is required since this recents 1890 * entry will exist without an activity, so it doesn't make sense to not retain it when 1891 * its activity disappears. The given Intent here also must have an explicit ComponentName 1892 * set on it. 1893 * @param description Optional additional description information. 1894 * @param thumbnail Thumbnail to use for the recents entry. Should be the size given by 1895 * {@link #getAppTaskThumbnailSize()}. If the bitmap is not that exact size, it will be 1896 * recreated in your process, probably in a way you don't like, before the recents entry 1897 * is added. 1898 * 1899 * @return Returns the task id of the newly added app task, or -1 if the add failed. The 1900 * most likely cause of failure is that there is no more room for more tasks for your app. 1901 */ 1902 public int addAppTask(@NonNull Activity activity, @NonNull Intent intent, 1903 @Nullable TaskDescription description, @NonNull Bitmap thumbnail) { 1904 Point size; 1905 synchronized (this) { 1906 ensureAppTaskThumbnailSizeLocked(); 1907 size = mAppTaskThumbnailSize; 1908 } 1909 final int tw = thumbnail.getWidth(); 1910 final int th = thumbnail.getHeight(); 1911 if (tw != size.x || th != size.y) { 1912 Bitmap bm = Bitmap.createBitmap(size.x, size.y, thumbnail.getConfig()); 1913 1914 // Use ScaleType.CENTER_CROP, except we leave the top edge at the top. 1915 float scale; 1916 float dx = 0, dy = 0; 1917 if (tw * size.x > size.y * th) { 1918 scale = (float) size.x / (float) th; 1919 dx = (size.y - tw * scale) * 0.5f; 1920 } else { 1921 scale = (float) size.y / (float) tw; 1922 dy = (size.x - th * scale) * 0.5f; 1923 } 1924 Matrix matrix = new Matrix(); 1925 matrix.setScale(scale, scale); 1926 matrix.postTranslate((int) (dx + 0.5f), 0); 1927 1928 Canvas canvas = new Canvas(bm); 1929 canvas.drawBitmap(thumbnail, matrix, null); 1930 canvas.setBitmap(null); 1931 1932 thumbnail = bm; 1933 } 1934 if (description == null) { 1935 description = new TaskDescription(); 1936 } 1937 try { 1938 return getService().addAppTask(activity.getActivityToken(), 1939 intent, description, thumbnail); 1940 } catch (RemoteException e) { 1941 throw e.rethrowFromSystemServer(); 1942 } 1943 } 1944 1945 /** 1946 * Return a list of the tasks that are currently running, with 1947 * the most recent being first and older ones after in order. Note that 1948 * "running" does not mean any of the task's code is currently loaded or 1949 * activity -- the task may have been frozen by the system, so that it 1950 * can be restarted in its previous state when next brought to the 1951 * foreground. 1952 * 1953 * <p><b>Note: this method is only intended for debugging and presenting 1954 * task management user interfaces</b>. This should never be used for 1955 * core logic in an application, such as deciding between different 1956 * behaviors based on the information found here. Such uses are 1957 * <em>not</em> supported, and will likely break in the future. For 1958 * example, if multiple applications can be actively running at the 1959 * same time, assumptions made about the meaning of the data here for 1960 * purposes of control flow will be incorrect.</p> 1961 * 1962 * @deprecated As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method 1963 * is no longer available to third party 1964 * applications: the introduction of document-centric recents means 1965 * it can leak person information to the caller. For backwards compatibility, 1966 * it will still return a small subset of its data: at least the caller's 1967 * own tasks, and possibly some other tasks 1968 * such as home that are known to not be sensitive. 1969 * 1970 * @param maxNum The maximum number of entries to return in the list. The 1971 * actual number returned may be smaller, depending on how many tasks the 1972 * user has started. 1973 * 1974 * @return Returns a list of RunningTaskInfo records describing each of 1975 * the running tasks. 1976 */ 1977 @Deprecated 1978 public List<RunningTaskInfo> getRunningTasks(int maxNum) 1979 throws SecurityException { 1980 try { 1981 return getService().getTasks(maxNum); 1982 } catch (RemoteException e) { 1983 throw e.rethrowFromSystemServer(); 1984 } 1985 } 1986 1987 /** 1988 * Sets the windowing mode for a specific task. Only works on tasks of type 1989 * {@link WindowConfiguration#ACTIVITY_TYPE_STANDARD} 1990 * @param taskId The id of the task to set the windowing mode for. 1991 * @param windowingMode The windowing mode to set for the task. 1992 * @param toTop If the task should be moved to the top once the windowing mode changes. 1993 * @hide 1994 */ 1995 @TestApi 1996 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 1997 public void setTaskWindowingMode(int taskId, int windowingMode, boolean toTop) 1998 throws SecurityException { 1999 try { 2000 getService().setTaskWindowingMode(taskId, windowingMode, toTop); 2001 } catch (RemoteException e) { 2002 throw e.rethrowFromSystemServer(); 2003 } 2004 } 2005 2006 /** 2007 * Moves the input task to the primary-split-screen stack. 2008 * @param taskId Id of task to move. 2009 * @param createMode The mode the primary split screen stack should be created in if it doesn't 2010 * exist already. See 2011 * {@link android.app.ActivityManager#SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT} 2012 * and 2013 * {@link android.app.ActivityManager 2014 * #SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT} 2015 * @param toTop If the task and stack should be moved to the top. 2016 * @param animate Whether we should play an animation for the moving the task 2017 * @param initialBounds If the primary stack gets created, it will use these bounds for the 2018 * docked stack. Pass {@code null} to use default bounds. 2019 * @param showRecents If the recents activity should be shown on the other side of the task 2020 * going into split-screen mode. 2021 * @hide 2022 */ 2023 @TestApi 2024 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2025 public void setTaskWindowingModeSplitScreenPrimary(int taskId, int createMode, boolean toTop, 2026 boolean animate, Rect initialBounds, boolean showRecents) throws SecurityException { 2027 try { 2028 getService().setTaskWindowingModeSplitScreenPrimary(taskId, createMode, toTop, animate, 2029 initialBounds, showRecents); 2030 } catch (RemoteException e) { 2031 throw e.rethrowFromSystemServer(); 2032 } 2033 } 2034 2035 /** 2036 * Resizes the input stack id to the given bounds. 2037 * @param stackId Id of the stack to resize. 2038 * @param bounds Bounds to resize the stack to or {@code null} for fullscreen. 2039 * @hide 2040 */ 2041 @TestApi 2042 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2043 public void resizeStack(int stackId, Rect bounds) throws SecurityException { 2044 try { 2045 getService().resizeStack(stackId, bounds, false /* allowResizeInDockedMode */, 2046 false /* preserveWindows */, false /* animate */, -1 /* animationDuration */); 2047 } catch (RemoteException e) { 2048 throw e.rethrowFromSystemServer(); 2049 } 2050 } 2051 2052 /** 2053 * Removes stacks in the windowing modes from the system if they are of activity type 2054 * ACTIVITY_TYPE_STANDARD or ACTIVITY_TYPE_UNDEFINED 2055 * 2056 * @hide 2057 */ 2058 @TestApi 2059 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2060 public void removeStacksInWindowingModes(int[] windowingModes) throws SecurityException { 2061 try { 2062 getService().removeStacksInWindowingModes(windowingModes); 2063 } catch (RemoteException e) { 2064 throw e.rethrowFromSystemServer(); 2065 } 2066 } 2067 2068 /** 2069 * Removes stack of the activity types from the system. 2070 * 2071 * @hide 2072 */ 2073 @TestApi 2074 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2075 public void removeStacksWithActivityTypes(int[] activityTypes) throws SecurityException { 2076 try { 2077 getService().removeStacksWithActivityTypes(activityTypes); 2078 } catch (RemoteException e) { 2079 throw e.rethrowFromSystemServer(); 2080 } 2081 } 2082 2083 /** 2084 * Represents a task snapshot. 2085 * @hide 2086 */ 2087 public static class TaskSnapshot implements Parcelable { 2088 2089 private final GraphicBuffer mSnapshot; 2090 private final int mOrientation; 2091 private final Rect mContentInsets; 2092 private final boolean mReducedResolution; 2093 private final float mScale; 2094 2095 public TaskSnapshot(GraphicBuffer snapshot, int orientation, Rect contentInsets, 2096 boolean reducedResolution, float scale) { 2097 mSnapshot = snapshot; 2098 mOrientation = orientation; 2099 mContentInsets = new Rect(contentInsets); 2100 mReducedResolution = reducedResolution; 2101 mScale = scale; 2102 } 2103 2104 private TaskSnapshot(Parcel source) { 2105 mSnapshot = source.readParcelable(null /* classLoader */); 2106 mOrientation = source.readInt(); 2107 mContentInsets = source.readParcelable(null /* classLoader */); 2108 mReducedResolution = source.readBoolean(); 2109 mScale = source.readFloat(); 2110 } 2111 2112 /** 2113 * @return The graphic buffer representing the screenshot. 2114 */ 2115 public GraphicBuffer getSnapshot() { 2116 return mSnapshot; 2117 } 2118 2119 /** 2120 * @return The screen orientation the screenshot was taken in. 2121 */ 2122 public int getOrientation() { 2123 return mOrientation; 2124 } 2125 2126 /** 2127 * @return The system/content insets on the snapshot. These can be clipped off in order to 2128 * remove any areas behind system bars in the snapshot. 2129 */ 2130 public Rect getContentInsets() { 2131 return mContentInsets; 2132 } 2133 2134 /** 2135 * @return Whether this snapshot is a down-sampled version of the full resolution. 2136 */ 2137 public boolean isReducedResolution() { 2138 return mReducedResolution; 2139 } 2140 2141 /** 2142 * @return The scale this snapshot was taken in. 2143 */ 2144 public float getScale() { 2145 return mScale; 2146 } 2147 2148 @Override 2149 public int describeContents() { 2150 return 0; 2151 } 2152 2153 @Override 2154 public void writeToParcel(Parcel dest, int flags) { 2155 dest.writeParcelable(mSnapshot, 0); 2156 dest.writeInt(mOrientation); 2157 dest.writeParcelable(mContentInsets, 0); 2158 dest.writeBoolean(mReducedResolution); 2159 dest.writeFloat(mScale); 2160 } 2161 2162 @Override 2163 public String toString() { 2164 return "TaskSnapshot{mSnapshot=" + mSnapshot + " mOrientation=" + mOrientation 2165 + " mContentInsets=" + mContentInsets.toShortString() 2166 + " mReducedResolution=" + mReducedResolution + " mScale=" + mScale; 2167 } 2168 2169 public static final Creator<TaskSnapshot> CREATOR = new Creator<TaskSnapshot>() { 2170 public TaskSnapshot createFromParcel(Parcel source) { 2171 return new TaskSnapshot(source); 2172 } 2173 public TaskSnapshot[] newArray(int size) { 2174 return new TaskSnapshot[size]; 2175 } 2176 }; 2177 } 2178 2179 /** @hide */ 2180 @IntDef(flag = true, prefix = { "MOVE_TASK_" }, value = { 2181 MOVE_TASK_WITH_HOME, 2182 MOVE_TASK_NO_USER_ACTION, 2183 }) 2184 @Retention(RetentionPolicy.SOURCE) 2185 public @interface MoveTaskFlags {} 2186 2187 /** 2188 * Flag for {@link #moveTaskToFront(int, int)}: also move the "home" 2189 * activity along with the task, so it is positioned immediately behind 2190 * the task. 2191 */ 2192 public static final int MOVE_TASK_WITH_HOME = 0x00000001; 2193 2194 /** 2195 * Flag for {@link #moveTaskToFront(int, int)}: don't count this as a 2196 * user-instigated action, so the current activity will not receive a 2197 * hint that the user is leaving. 2198 */ 2199 public static final int MOVE_TASK_NO_USER_ACTION = 0x00000002; 2200 2201 /** 2202 * Equivalent to calling {@link #moveTaskToFront(int, int, Bundle)} 2203 * with a null options argument. 2204 * 2205 * @param taskId The identifier of the task to be moved, as found in 2206 * {@link RunningTaskInfo} or {@link RecentTaskInfo}. 2207 * @param flags Additional operational flags. 2208 */ 2209 @RequiresPermission(android.Manifest.permission.REORDER_TASKS) 2210 public void moveTaskToFront(int taskId, @MoveTaskFlags int flags) { 2211 moveTaskToFront(taskId, flags, null); 2212 } 2213 2214 /** 2215 * Ask that the task associated with a given task ID be moved to the 2216 * front of the stack, so it is now visible to the user. 2217 * 2218 * @param taskId The identifier of the task to be moved, as found in 2219 * {@link RunningTaskInfo} or {@link RecentTaskInfo}. 2220 * @param flags Additional operational flags. 2221 * @param options Additional options for the operation, either null or 2222 * as per {@link Context#startActivity(Intent, android.os.Bundle) 2223 * Context.startActivity(Intent, Bundle)}. 2224 */ 2225 @RequiresPermission(android.Manifest.permission.REORDER_TASKS) 2226 public void moveTaskToFront(int taskId, @MoveTaskFlags int flags, Bundle options) { 2227 try { 2228 getService().moveTaskToFront(taskId, flags, options); 2229 } catch (RemoteException e) { 2230 throw e.rethrowFromSystemServer(); 2231 } 2232 } 2233 2234 /** 2235 * Information you can retrieve about a particular Service that is 2236 * currently running in the system. 2237 */ 2238 public static class RunningServiceInfo implements Parcelable { 2239 /** 2240 * The service component. 2241 */ 2242 public ComponentName service; 2243 2244 /** 2245 * If non-zero, this is the process the service is running in. 2246 */ 2247 public int pid; 2248 2249 /** 2250 * The UID that owns this service. 2251 */ 2252 public int uid; 2253 2254 /** 2255 * The name of the process this service runs in. 2256 */ 2257 public String process; 2258 2259 /** 2260 * Set to true if the service has asked to run as a foreground process. 2261 */ 2262 public boolean foreground; 2263 2264 /** 2265 * The time when the service was first made active, either by someone 2266 * starting or binding to it. This 2267 * is in units of {@link android.os.SystemClock#elapsedRealtime()}. 2268 */ 2269 public long activeSince; 2270 2271 /** 2272 * Set to true if this service has been explicitly started. 2273 */ 2274 public boolean started; 2275 2276 /** 2277 * Number of clients connected to the service. 2278 */ 2279 public int clientCount; 2280 2281 /** 2282 * Number of times the service's process has crashed while the service 2283 * is running. 2284 */ 2285 public int crashCount; 2286 2287 /** 2288 * The time when there was last activity in the service (either 2289 * explicit requests to start it or clients binding to it). This 2290 * is in units of {@link android.os.SystemClock#uptimeMillis()}. 2291 */ 2292 public long lastActivityTime; 2293 2294 /** 2295 * If non-zero, this service is not currently running, but scheduled to 2296 * restart at the given time. 2297 */ 2298 public long restarting; 2299 2300 /** 2301 * Bit for {@link #flags}: set if this service has been 2302 * explicitly started. 2303 */ 2304 public static final int FLAG_STARTED = 1<<0; 2305 2306 /** 2307 * Bit for {@link #flags}: set if the service has asked to 2308 * run as a foreground process. 2309 */ 2310 public static final int FLAG_FOREGROUND = 1<<1; 2311 2312 /** 2313 * Bit for {@link #flags}: set if the service is running in a 2314 * core system process. 2315 */ 2316 public static final int FLAG_SYSTEM_PROCESS = 1<<2; 2317 2318 /** 2319 * Bit for {@link #flags}: set if the service is running in a 2320 * persistent process. 2321 */ 2322 public static final int FLAG_PERSISTENT_PROCESS = 1<<3; 2323 2324 /** 2325 * Running flags. 2326 */ 2327 public int flags; 2328 2329 /** 2330 * For special services that are bound to by system code, this is 2331 * the package that holds the binding. 2332 */ 2333 public String clientPackage; 2334 2335 /** 2336 * For special services that are bound to by system code, this is 2337 * a string resource providing a user-visible label for who the 2338 * client is. 2339 */ 2340 public int clientLabel; 2341 2342 public RunningServiceInfo() { 2343 } 2344 2345 public int describeContents() { 2346 return 0; 2347 } 2348 2349 public void writeToParcel(Parcel dest, int flags) { 2350 ComponentName.writeToParcel(service, dest); 2351 dest.writeInt(pid); 2352 dest.writeInt(uid); 2353 dest.writeString(process); 2354 dest.writeInt(foreground ? 1 : 0); 2355 dest.writeLong(activeSince); 2356 dest.writeInt(started ? 1 : 0); 2357 dest.writeInt(clientCount); 2358 dest.writeInt(crashCount); 2359 dest.writeLong(lastActivityTime); 2360 dest.writeLong(restarting); 2361 dest.writeInt(this.flags); 2362 dest.writeString(clientPackage); 2363 dest.writeInt(clientLabel); 2364 } 2365 2366 public void readFromParcel(Parcel source) { 2367 service = ComponentName.readFromParcel(source); 2368 pid = source.readInt(); 2369 uid = source.readInt(); 2370 process = source.readString(); 2371 foreground = source.readInt() != 0; 2372 activeSince = source.readLong(); 2373 started = source.readInt() != 0; 2374 clientCount = source.readInt(); 2375 crashCount = source.readInt(); 2376 lastActivityTime = source.readLong(); 2377 restarting = source.readLong(); 2378 flags = source.readInt(); 2379 clientPackage = source.readString(); 2380 clientLabel = source.readInt(); 2381 } 2382 2383 public static final Creator<RunningServiceInfo> CREATOR = new Creator<RunningServiceInfo>() { 2384 public RunningServiceInfo createFromParcel(Parcel source) { 2385 return new RunningServiceInfo(source); 2386 } 2387 public RunningServiceInfo[] newArray(int size) { 2388 return new RunningServiceInfo[size]; 2389 } 2390 }; 2391 2392 private RunningServiceInfo(Parcel source) { 2393 readFromParcel(source); 2394 } 2395 } 2396 2397 /** 2398 * Return a list of the services that are currently running. 2399 * 2400 * <p><b>Note: this method is only intended for debugging or implementing 2401 * service management type user interfaces.</b></p> 2402 * 2403 * @deprecated As of {@link android.os.Build.VERSION_CODES#O}, this method 2404 * is no longer available to third party applications. For backwards compatibility, 2405 * it will still return the caller's own services. 2406 * 2407 * @param maxNum The maximum number of entries to return in the list. The 2408 * actual number returned may be smaller, depending on how many services 2409 * are running. 2410 * 2411 * @return Returns a list of RunningServiceInfo records describing each of 2412 * the running tasks. 2413 */ 2414 @Deprecated 2415 public List<RunningServiceInfo> getRunningServices(int maxNum) 2416 throws SecurityException { 2417 try { 2418 return getService() 2419 .getServices(maxNum, 0); 2420 } catch (RemoteException e) { 2421 throw e.rethrowFromSystemServer(); 2422 } 2423 } 2424 2425 /** 2426 * Returns a PendingIntent you can start to show a control panel for the 2427 * given running service. If the service does not have a control panel, 2428 * null is returned. 2429 */ 2430 public PendingIntent getRunningServiceControlPanel(ComponentName service) 2431 throws SecurityException { 2432 try { 2433 return getService() 2434 .getRunningServiceControlPanel(service); 2435 } catch (RemoteException e) { 2436 throw e.rethrowFromSystemServer(); 2437 } 2438 } 2439 2440 /** 2441 * Information you can retrieve about the available memory through 2442 * {@link ActivityManager#getMemoryInfo}. 2443 */ 2444 public static class MemoryInfo implements Parcelable { 2445 /** 2446 * The available memory on the system. This number should not 2447 * be considered absolute: due to the nature of the kernel, a significant 2448 * portion of this memory is actually in use and needed for the overall 2449 * system to run well. 2450 */ 2451 public long availMem; 2452 2453 /** 2454 * The total memory accessible by the kernel. This is basically the 2455 * RAM size of the device, not including below-kernel fixed allocations 2456 * like DMA buffers, RAM for the baseband CPU, etc. 2457 */ 2458 public long totalMem; 2459 2460 /** 2461 * The threshold of {@link #availMem} at which we consider memory to be 2462 * low and start killing background services and other non-extraneous 2463 * processes. 2464 */ 2465 public long threshold; 2466 2467 /** 2468 * Set to true if the system considers itself to currently be in a low 2469 * memory situation. 2470 */ 2471 public boolean lowMemory; 2472 2473 /** @hide */ 2474 public long hiddenAppThreshold; 2475 /** @hide */ 2476 public long secondaryServerThreshold; 2477 /** @hide */ 2478 public long visibleAppThreshold; 2479 /** @hide */ 2480 public long foregroundAppThreshold; 2481 2482 public MemoryInfo() { 2483 } 2484 2485 public int describeContents() { 2486 return 0; 2487 } 2488 2489 public void writeToParcel(Parcel dest, int flags) { 2490 dest.writeLong(availMem); 2491 dest.writeLong(totalMem); 2492 dest.writeLong(threshold); 2493 dest.writeInt(lowMemory ? 1 : 0); 2494 dest.writeLong(hiddenAppThreshold); 2495 dest.writeLong(secondaryServerThreshold); 2496 dest.writeLong(visibleAppThreshold); 2497 dest.writeLong(foregroundAppThreshold); 2498 } 2499 2500 public void readFromParcel(Parcel source) { 2501 availMem = source.readLong(); 2502 totalMem = source.readLong(); 2503 threshold = source.readLong(); 2504 lowMemory = source.readInt() != 0; 2505 hiddenAppThreshold = source.readLong(); 2506 secondaryServerThreshold = source.readLong(); 2507 visibleAppThreshold = source.readLong(); 2508 foregroundAppThreshold = source.readLong(); 2509 } 2510 2511 public static final Creator<MemoryInfo> CREATOR 2512 = new Creator<MemoryInfo>() { 2513 public MemoryInfo createFromParcel(Parcel source) { 2514 return new MemoryInfo(source); 2515 } 2516 public MemoryInfo[] newArray(int size) { 2517 return new MemoryInfo[size]; 2518 } 2519 }; 2520 2521 private MemoryInfo(Parcel source) { 2522 readFromParcel(source); 2523 } 2524 } 2525 2526 /** 2527 * Return general information about the memory state of the system. This 2528 * can be used to help decide how to manage your own memory, though note 2529 * that polling is not recommended and 2530 * {@link android.content.ComponentCallbacks2#onTrimMemory(int) 2531 * ComponentCallbacks2.onTrimMemory(int)} is the preferred way to do this. 2532 * Also see {@link #getMyMemoryState} for how to retrieve the current trim 2533 * level of your process as needed, which gives a better hint for how to 2534 * manage its memory. 2535 */ 2536 public void getMemoryInfo(MemoryInfo outInfo) { 2537 try { 2538 getService().getMemoryInfo(outInfo); 2539 } catch (RemoteException e) { 2540 throw e.rethrowFromSystemServer(); 2541 } 2542 } 2543 2544 /** 2545 * Information you can retrieve about an ActivityStack in the system. 2546 * @hide 2547 */ 2548 public static class StackInfo implements Parcelable { 2549 public int stackId; 2550 public Rect bounds = new Rect(); 2551 public int[] taskIds; 2552 public String[] taskNames; 2553 public Rect[] taskBounds; 2554 public int[] taskUserIds; 2555 public ComponentName topActivity; 2556 public int displayId; 2557 public int userId; 2558 public boolean visible; 2559 // Index of the stack in the display's stack list, can be used for comparison of stack order 2560 public int position; 2561 /** 2562 * The full configuration the stack is currently running in. 2563 * @hide 2564 */ 2565 final public Configuration configuration = new Configuration(); 2566 2567 @Override 2568 public int describeContents() { 2569 return 0; 2570 } 2571 2572 @Override 2573 public void writeToParcel(Parcel dest, int flags) { 2574 dest.writeInt(stackId); 2575 dest.writeInt(bounds.left); 2576 dest.writeInt(bounds.top); 2577 dest.writeInt(bounds.right); 2578 dest.writeInt(bounds.bottom); 2579 dest.writeIntArray(taskIds); 2580 dest.writeStringArray(taskNames); 2581 final int boundsCount = taskBounds == null ? 0 : taskBounds.length; 2582 dest.writeInt(boundsCount); 2583 for (int i = 0; i < boundsCount; i++) { 2584 dest.writeInt(taskBounds[i].left); 2585 dest.writeInt(taskBounds[i].top); 2586 dest.writeInt(taskBounds[i].right); 2587 dest.writeInt(taskBounds[i].bottom); 2588 } 2589 dest.writeIntArray(taskUserIds); 2590 dest.writeInt(displayId); 2591 dest.writeInt(userId); 2592 dest.writeInt(visible ? 1 : 0); 2593 dest.writeInt(position); 2594 if (topActivity != null) { 2595 dest.writeInt(1); 2596 topActivity.writeToParcel(dest, 0); 2597 } else { 2598 dest.writeInt(0); 2599 } 2600 configuration.writeToParcel(dest, flags); 2601 } 2602 2603 public void readFromParcel(Parcel source) { 2604 stackId = source.readInt(); 2605 bounds = new Rect( 2606 source.readInt(), source.readInt(), source.readInt(), source.readInt()); 2607 taskIds = source.createIntArray(); 2608 taskNames = source.createStringArray(); 2609 final int boundsCount = source.readInt(); 2610 if (boundsCount > 0) { 2611 taskBounds = new Rect[boundsCount]; 2612 for (int i = 0; i < boundsCount; i++) { 2613 taskBounds[i] = new Rect(); 2614 taskBounds[i].set( 2615 source.readInt(), source.readInt(), source.readInt(), source.readInt()); 2616 } 2617 } else { 2618 taskBounds = null; 2619 } 2620 taskUserIds = source.createIntArray(); 2621 displayId = source.readInt(); 2622 userId = source.readInt(); 2623 visible = source.readInt() > 0; 2624 position = source.readInt(); 2625 if (source.readInt() > 0) { 2626 topActivity = ComponentName.readFromParcel(source); 2627 } 2628 configuration.readFromParcel(source); 2629 } 2630 2631 public static final Creator<StackInfo> CREATOR = new Creator<StackInfo>() { 2632 @Override 2633 public StackInfo createFromParcel(Parcel source) { 2634 return new StackInfo(source); 2635 } 2636 @Override 2637 public StackInfo[] newArray(int size) { 2638 return new StackInfo[size]; 2639 } 2640 }; 2641 2642 public StackInfo() { 2643 } 2644 2645 private StackInfo(Parcel source) { 2646 readFromParcel(source); 2647 } 2648 2649 public String toString(String prefix) { 2650 StringBuilder sb = new StringBuilder(256); 2651 sb.append(prefix); sb.append("Stack id="); sb.append(stackId); 2652 sb.append(" bounds="); sb.append(bounds.toShortString()); 2653 sb.append(" displayId="); sb.append(displayId); 2654 sb.append(" userId="); sb.append(userId); 2655 sb.append("\n"); 2656 sb.append(" configuration="); sb.append(configuration); 2657 sb.append("\n"); 2658 prefix = prefix + " "; 2659 for (int i = 0; i < taskIds.length; ++i) { 2660 sb.append(prefix); sb.append("taskId="); sb.append(taskIds[i]); 2661 sb.append(": "); sb.append(taskNames[i]); 2662 if (taskBounds != null) { 2663 sb.append(" bounds="); sb.append(taskBounds[i].toShortString()); 2664 } 2665 sb.append(" userId=").append(taskUserIds[i]); 2666 sb.append(" visible=").append(visible); 2667 if (topActivity != null) { 2668 sb.append(" topActivity=").append(topActivity); 2669 } 2670 sb.append("\n"); 2671 } 2672 return sb.toString(); 2673 } 2674 2675 @Override 2676 public String toString() { 2677 return toString(""); 2678 } 2679 } 2680 2681 /** 2682 * @hide 2683 */ 2684 @RequiresPermission(anyOf={Manifest.permission.CLEAR_APP_USER_DATA, 2685 Manifest.permission.ACCESS_INSTANT_APPS}) 2686 public boolean clearApplicationUserData(String packageName, IPackageDataObserver observer) { 2687 try { 2688 return getService().clearApplicationUserData(packageName, false, 2689 observer, mContext.getUserId()); 2690 } catch (RemoteException e) { 2691 throw e.rethrowFromSystemServer(); 2692 } 2693 } 2694 2695 /** 2696 * Permits an application to erase its own data from disk. This is equivalent to 2697 * the user choosing to clear the app's data from within the device settings UI. It 2698 * erases all dynamic data associated with the app -- its private data and data in its 2699 * private area on external storage -- but does not remove the installed application 2700 * itself, nor any OBB files. It also revokes all runtime permissions that the app has acquired, 2701 * clears all notifications and removes all Uri grants related to this application. 2702 * 2703 * @return {@code true} if the application successfully requested that the application's 2704 * data be erased; {@code false} otherwise. 2705 */ 2706 public boolean clearApplicationUserData() { 2707 return clearApplicationUserData(mContext.getPackageName(), null); 2708 } 2709 2710 2711 /** 2712 * Permits an application to get the persistent URI permissions granted to another. 2713 * 2714 * <p>Typically called by Settings or DocumentsUI, requires 2715 * {@code GET_APP_GRANTED_URI_PERMISSIONS}. 2716 * 2717 * @param packageName application to look for the granted permissions, or {@code null} to get 2718 * granted permissions for all applications 2719 * @return list of granted URI permissions 2720 * 2721 * @hide 2722 */ 2723 public ParceledListSlice<GrantedUriPermission> getGrantedUriPermissions( 2724 @Nullable String packageName) { 2725 try { 2726 @SuppressWarnings("unchecked") 2727 final ParceledListSlice<GrantedUriPermission> castedList = getService() 2728 .getGrantedUriPermissions(packageName, mContext.getUserId()); 2729 return castedList; 2730 } catch (RemoteException e) { 2731 throw e.rethrowFromSystemServer(); 2732 } 2733 } 2734 2735 /** 2736 * Permits an application to clear the persistent URI permissions granted to another. 2737 * 2738 * <p>Typically called by Settings, requires {@code CLEAR_APP_GRANTED_URI_PERMISSIONS}. 2739 * 2740 * @param packageName application to clear its granted permissions 2741 * 2742 * @hide 2743 */ 2744 public void clearGrantedUriPermissions(String packageName) { 2745 try { 2746 getService().clearGrantedUriPermissions(packageName, 2747 mContext.getUserId()); 2748 } catch (RemoteException e) { 2749 throw e.rethrowFromSystemServer(); 2750 } 2751 } 2752 2753 /** 2754 * Updates (grants or revokes) a persitable URI permission. 2755 * 2756 * @param uri URI to be granted or revoked. 2757 * @param prefix if {@code false}, permission apply to this specific URI; if {@code true}, it 2758 * applies to all URIs that are prefixed by this URI. 2759 * @param packageName target package. 2760 * @param grant if {@code true} a new permission will be granted, otherwise an existing 2761 * permission will be revoked. 2762 * 2763 * @return whether or not the requested succeeded. 2764 * 2765 * @hide 2766 */ 2767 public boolean updatePersistableUriPermission(Uri uri, boolean prefix, String packageName, 2768 boolean grant) { 2769 try { 2770 return getService().updatePersistableUriPermission(uri, prefix, packageName, grant, 2771 UserHandle.myUserId()); 2772 } catch (RemoteException e) { 2773 throw e.rethrowFromSystemServer(); 2774 } 2775 } 2776 2777 /** 2778 * Information you can retrieve about any processes that are in an error condition. 2779 */ 2780 public static class ProcessErrorStateInfo implements Parcelable { 2781 /** 2782 * Condition codes 2783 */ 2784 public static final int NO_ERROR = 0; 2785 public static final int CRASHED = 1; 2786 public static final int NOT_RESPONDING = 2; 2787 2788 /** 2789 * The condition that the process is in. 2790 */ 2791 public int condition; 2792 2793 /** 2794 * The process name in which the crash or error occurred. 2795 */ 2796 public String processName; 2797 2798 /** 2799 * The pid of this process; 0 if none 2800 */ 2801 public int pid; 2802 2803 /** 2804 * The kernel user-ID that has been assigned to this process; 2805 * currently this is not a unique ID (multiple applications can have 2806 * the same uid). 2807 */ 2808 public int uid; 2809 2810 /** 2811 * The activity name associated with the error, if known. May be null. 2812 */ 2813 public String tag; 2814 2815 /** 2816 * A short message describing the error condition. 2817 */ 2818 public String shortMsg; 2819 2820 /** 2821 * A long message describing the error condition. 2822 */ 2823 public String longMsg; 2824 2825 /** 2826 * The stack trace where the error originated. May be null. 2827 */ 2828 public String stackTrace; 2829 2830 /** 2831 * to be deprecated: This value will always be null. 2832 */ 2833 public byte[] crashData = null; 2834 2835 public ProcessErrorStateInfo() { 2836 } 2837 2838 @Override 2839 public int describeContents() { 2840 return 0; 2841 } 2842 2843 @Override 2844 public void writeToParcel(Parcel dest, int flags) { 2845 dest.writeInt(condition); 2846 dest.writeString(processName); 2847 dest.writeInt(pid); 2848 dest.writeInt(uid); 2849 dest.writeString(tag); 2850 dest.writeString(shortMsg); 2851 dest.writeString(longMsg); 2852 dest.writeString(stackTrace); 2853 } 2854 2855 public void readFromParcel(Parcel source) { 2856 condition = source.readInt(); 2857 processName = source.readString(); 2858 pid = source.readInt(); 2859 uid = source.readInt(); 2860 tag = source.readString(); 2861 shortMsg = source.readString(); 2862 longMsg = source.readString(); 2863 stackTrace = source.readString(); 2864 } 2865 2866 public static final Creator<ProcessErrorStateInfo> CREATOR = 2867 new Creator<ProcessErrorStateInfo>() { 2868 public ProcessErrorStateInfo createFromParcel(Parcel source) { 2869 return new ProcessErrorStateInfo(source); 2870 } 2871 public ProcessErrorStateInfo[] newArray(int size) { 2872 return new ProcessErrorStateInfo[size]; 2873 } 2874 }; 2875 2876 private ProcessErrorStateInfo(Parcel source) { 2877 readFromParcel(source); 2878 } 2879 } 2880 2881 /** 2882 * Returns a list of any processes that are currently in an error condition. The result 2883 * will be null if all processes are running properly at this time. 2884 * 2885 * @return Returns a list of ProcessErrorStateInfo records, or null if there are no 2886 * current error conditions (it will not return an empty list). This list ordering is not 2887 * specified. 2888 */ 2889 public List<ProcessErrorStateInfo> getProcessesInErrorState() { 2890 try { 2891 return getService().getProcessesInErrorState(); 2892 } catch (RemoteException e) { 2893 throw e.rethrowFromSystemServer(); 2894 } 2895 } 2896 2897 /** 2898 * Information you can retrieve about a running process. 2899 */ 2900 public static class RunningAppProcessInfo implements Parcelable { 2901 /** 2902 * The name of the process that this object is associated with 2903 */ 2904 public String processName; 2905 2906 /** 2907 * The pid of this process; 0 if none 2908 */ 2909 public int pid; 2910 2911 /** 2912 * The user id of this process. 2913 */ 2914 public int uid; 2915 2916 /** 2917 * All packages that have been loaded into the process. 2918 */ 2919 public String pkgList[]; 2920 2921 /** 2922 * Constant for {@link #flags}: this is an app that is unable to 2923 * correctly save its state when going to the background, 2924 * so it can not be killed while in the background. 2925 * @hide 2926 */ 2927 public static final int FLAG_CANT_SAVE_STATE = 1<<0; 2928 2929 /** 2930 * Constant for {@link #flags}: this process is associated with a 2931 * persistent system app. 2932 * @hide 2933 */ 2934 public static final int FLAG_PERSISTENT = 1<<1; 2935 2936 /** 2937 * Constant for {@link #flags}: this process is associated with a 2938 * persistent system app. 2939 * @hide 2940 */ 2941 public static final int FLAG_HAS_ACTIVITIES = 1<<2; 2942 2943 /** 2944 * Flags of information. May be any of 2945 * {@link #FLAG_CANT_SAVE_STATE}. 2946 * @hide 2947 */ 2948 public int flags; 2949 2950 /** 2951 * Last memory trim level reported to the process: corresponds to 2952 * the values supplied to {@link android.content.ComponentCallbacks2#onTrimMemory(int) 2953 * ComponentCallbacks2.onTrimMemory(int)}. 2954 */ 2955 public int lastTrimLevel; 2956 2957 /** @hide */ 2958 @IntDef(prefix = { "IMPORTANCE_" }, value = { 2959 IMPORTANCE_FOREGROUND, 2960 IMPORTANCE_FOREGROUND_SERVICE, 2961 IMPORTANCE_TOP_SLEEPING, 2962 IMPORTANCE_VISIBLE, 2963 IMPORTANCE_PERCEPTIBLE, 2964 IMPORTANCE_CANT_SAVE_STATE, 2965 IMPORTANCE_SERVICE, 2966 IMPORTANCE_CACHED, 2967 IMPORTANCE_GONE, 2968 }) 2969 @Retention(RetentionPolicy.SOURCE) 2970 public @interface Importance {} 2971 2972 /** 2973 * Constant for {@link #importance}: This process is running the 2974 * foreground UI; that is, it is the thing currently at the top of the screen 2975 * that the user is interacting with. 2976 */ 2977 public static final int IMPORTANCE_FOREGROUND = 100; 2978 2979 /** 2980 * Constant for {@link #importance}: This process is running a foreground 2981 * service, for example to perform music playback even while the user is 2982 * not immediately in the app. This generally indicates that the process 2983 * is doing something the user actively cares about. 2984 */ 2985 public static final int IMPORTANCE_FOREGROUND_SERVICE = 125; 2986 2987 /** 2988 * @deprecated Pre-{@link android.os.Build.VERSION_CODES#P} version of 2989 * {@link #IMPORTANCE_TOP_SLEEPING}. As of Android 2990 * {@link android.os.Build.VERSION_CODES#P}, this is considered much less 2991 * important since we want to reduce what apps can do when the screen is off. 2992 */ 2993 @Deprecated 2994 public static final int IMPORTANCE_TOP_SLEEPING_PRE_28 = 150; 2995 2996 /** 2997 * Constant for {@link #importance}: This process is running something 2998 * that is actively visible to the user, though not in the immediate 2999 * foreground. This may be running a window that is behind the current 3000 * foreground (so paused and with its state saved, not interacting with 3001 * the user, but visible to them to some degree); it may also be running 3002 * other services under the system's control that it inconsiders important. 3003 */ 3004 public static final int IMPORTANCE_VISIBLE = 200; 3005 3006 /** 3007 * Constant for {@link #importance}: {@link #IMPORTANCE_PERCEPTIBLE} had this wrong value 3008 * before {@link Build.VERSION_CODES#O}. Since the {@link Build.VERSION_CODES#O} SDK, 3009 * the value of {@link #IMPORTANCE_PERCEPTIBLE} has been fixed. 3010 * 3011 * <p>The system will return this value instead of {@link #IMPORTANCE_PERCEPTIBLE} 3012 * on Android versions below {@link Build.VERSION_CODES#O}. 3013 * 3014 * <p>On Android version {@link Build.VERSION_CODES#O} and later, this value will still be 3015 * returned for apps with the target API level below {@link Build.VERSION_CODES#O}. 3016 * For apps targeting version {@link Build.VERSION_CODES#O} and later, 3017 * the correct value {@link #IMPORTANCE_PERCEPTIBLE} will be returned. 3018 */ 3019 public static final int IMPORTANCE_PERCEPTIBLE_PRE_26 = 130; 3020 3021 /** 3022 * Constant for {@link #importance}: This process is not something the user 3023 * is directly aware of, but is otherwise perceptible to them to some degree. 3024 */ 3025 public static final int IMPORTANCE_PERCEPTIBLE = 230; 3026 3027 /** 3028 * Constant for {@link #importance}: {@link #IMPORTANCE_CANT_SAVE_STATE} had 3029 * this wrong value 3030 * before {@link Build.VERSION_CODES#O}. Since the {@link Build.VERSION_CODES#O} SDK, 3031 * the value of {@link #IMPORTANCE_CANT_SAVE_STATE} has been fixed. 3032 * 3033 * <p>The system will return this value instead of {@link #IMPORTANCE_CANT_SAVE_STATE} 3034 * on Android versions below {@link Build.VERSION_CODES#O}. 3035 * 3036 * <p>On Android version {@link Build.VERSION_CODES#O} after, this value will still be 3037 * returned for apps with the target API level below {@link Build.VERSION_CODES#O}. 3038 * For apps targeting version {@link Build.VERSION_CODES#O} and later, 3039 * the correct value {@link #IMPORTANCE_CANT_SAVE_STATE} will be returned. 3040 * 3041 * @hide 3042 */ 3043 public static final int IMPORTANCE_CANT_SAVE_STATE_PRE_26 = 170; 3044 3045 /** 3046 * Constant for {@link #importance}: This process is contains services 3047 * that should remain running. These are background services apps have 3048 * started, not something the user is aware of, so they may be killed by 3049 * the system relatively freely (though it is generally desired that they 3050 * stay running as long as they want to). 3051 */ 3052 public static final int IMPORTANCE_SERVICE = 300; 3053 3054 /** 3055 * Constant for {@link #importance}: This process is running the foreground 3056 * UI, but the device is asleep so it is not visible to the user. Though the 3057 * system will try hard to keep its process from being killed, in all other 3058 * ways we consider it a kind of cached process, with the limitations that go 3059 * along with that state: network access, running background services, etc. 3060 */ 3061 public static final int IMPORTANCE_TOP_SLEEPING = 325; 3062 3063 /** 3064 * Constant for {@link #importance}: This process is running an 3065 * application that can not save its state, and thus can't be killed 3066 * while in the background. This will be used with apps that have 3067 * {@link android.R.attr#cantSaveState} set on their application tag. 3068 */ 3069 public static final int IMPORTANCE_CANT_SAVE_STATE = 350; 3070 3071 /** 3072 * Constant for {@link #importance}: This process process contains 3073 * cached code that is expendable, not actively running any app components 3074 * we care about. 3075 */ 3076 public static final int IMPORTANCE_CACHED = 400; 3077 3078 /** 3079 * @deprecated Renamed to {@link #IMPORTANCE_CACHED}. 3080 */ 3081 public static final int IMPORTANCE_BACKGROUND = IMPORTANCE_CACHED; 3082 3083 /** 3084 * Constant for {@link #importance}: This process is empty of any 3085 * actively running code. 3086 * @deprecated This value is no longer reported, use {@link #IMPORTANCE_CACHED} instead. 3087 */ 3088 @Deprecated 3089 public static final int IMPORTANCE_EMPTY = 500; 3090 3091 /** 3092 * Constant for {@link #importance}: This process does not exist. 3093 */ 3094 public static final int IMPORTANCE_GONE = 1000; 3095 3096 /** 3097 * Convert a proc state to the correspondent IMPORTANCE_* constant. If the return value 3098 * will be passed to a client, use {@link #procStateToImportanceForClient}. 3099 * @hide 3100 */ 3101 public static @Importance int procStateToImportance(int procState) { 3102 if (procState == PROCESS_STATE_NONEXISTENT) { 3103 return IMPORTANCE_GONE; 3104 } else if (procState >= PROCESS_STATE_HOME) { 3105 return IMPORTANCE_CACHED; 3106 } else if (procState == PROCESS_STATE_HEAVY_WEIGHT) { 3107 return IMPORTANCE_CANT_SAVE_STATE; 3108 } else if (procState >= PROCESS_STATE_TOP_SLEEPING) { 3109 return IMPORTANCE_TOP_SLEEPING; 3110 } else if (procState >= PROCESS_STATE_SERVICE) { 3111 return IMPORTANCE_SERVICE; 3112 } else if (procState >= PROCESS_STATE_TRANSIENT_BACKGROUND) { 3113 return IMPORTANCE_PERCEPTIBLE; 3114 } else if (procState >= PROCESS_STATE_IMPORTANT_FOREGROUND) { 3115 return IMPORTANCE_VISIBLE; 3116 } else if (procState >= PROCESS_STATE_FOREGROUND_SERVICE) { 3117 return IMPORTANCE_FOREGROUND_SERVICE; 3118 } else { 3119 return IMPORTANCE_FOREGROUND; 3120 } 3121 } 3122 3123 /** 3124 * Convert a proc state to the correspondent IMPORTANCE_* constant for a client represented 3125 * by a given {@link Context}, with converting {@link #IMPORTANCE_PERCEPTIBLE} 3126 * and {@link #IMPORTANCE_CANT_SAVE_STATE} to the corresponding "wrong" value if the 3127 * client's target SDK < {@link VERSION_CODES#O}. 3128 * @hide 3129 */ 3130 public static @Importance int procStateToImportanceForClient(int procState, 3131 Context clientContext) { 3132 return procStateToImportanceForTargetSdk(procState, 3133 clientContext.getApplicationInfo().targetSdkVersion); 3134 } 3135 3136 /** 3137 * See {@link #procStateToImportanceForClient}. 3138 * @hide 3139 */ 3140 public static @Importance int procStateToImportanceForTargetSdk(int procState, 3141 int targetSdkVersion) { 3142 final int importance = procStateToImportance(procState); 3143 3144 // For pre O apps, convert to the old, wrong values. 3145 if (targetSdkVersion < VERSION_CODES.O) { 3146 switch (importance) { 3147 case IMPORTANCE_PERCEPTIBLE: 3148 return IMPORTANCE_PERCEPTIBLE_PRE_26; 3149 case IMPORTANCE_TOP_SLEEPING: 3150 return IMPORTANCE_TOP_SLEEPING_PRE_28; 3151 case IMPORTANCE_CANT_SAVE_STATE: 3152 return IMPORTANCE_CANT_SAVE_STATE_PRE_26; 3153 } 3154 } 3155 return importance; 3156 } 3157 3158 /** @hide */ 3159 public static int importanceToProcState(@Importance int importance) { 3160 if (importance == IMPORTANCE_GONE) { 3161 return PROCESS_STATE_NONEXISTENT; 3162 } else if (importance >= IMPORTANCE_CACHED) { 3163 return PROCESS_STATE_HOME; 3164 } else if (importance >= IMPORTANCE_CANT_SAVE_STATE) { 3165 return PROCESS_STATE_HEAVY_WEIGHT; 3166 } else if (importance >= IMPORTANCE_TOP_SLEEPING) { 3167 return PROCESS_STATE_TOP_SLEEPING; 3168 } else if (importance >= IMPORTANCE_SERVICE) { 3169 return PROCESS_STATE_SERVICE; 3170 } else if (importance >= IMPORTANCE_PERCEPTIBLE) { 3171 return PROCESS_STATE_TRANSIENT_BACKGROUND; 3172 } else if (importance >= IMPORTANCE_VISIBLE) { 3173 return PROCESS_STATE_IMPORTANT_FOREGROUND; 3174 } else if (importance >= IMPORTANCE_TOP_SLEEPING_PRE_28) { 3175 return PROCESS_STATE_IMPORTANT_FOREGROUND; 3176 } else if (importance >= IMPORTANCE_FOREGROUND_SERVICE) { 3177 return PROCESS_STATE_FOREGROUND_SERVICE; 3178 } else { 3179 return PROCESS_STATE_TOP; 3180 } 3181 } 3182 3183 /** 3184 * The relative importance level that the system places on this process. 3185 * These constants are numbered so that "more important" values are 3186 * always smaller than "less important" values. 3187 */ 3188 public @Importance int importance; 3189 3190 /** 3191 * An additional ordering within a particular {@link #importance} 3192 * category, providing finer-grained information about the relative 3193 * utility of processes within a category. This number means nothing 3194 * except that a smaller values are more recently used (and thus 3195 * more important). Currently an LRU value is only maintained for 3196 * the {@link #IMPORTANCE_CACHED} category, though others may 3197 * be maintained in the future. 3198 */ 3199 public int lru; 3200 3201 /** 3202 * Constant for {@link #importanceReasonCode}: nothing special has 3203 * been specified for the reason for this level. 3204 */ 3205 public static final int REASON_UNKNOWN = 0; 3206 3207 /** 3208 * Constant for {@link #importanceReasonCode}: one of the application's 3209 * content providers is being used by another process. The pid of 3210 * the client process is in {@link #importanceReasonPid} and the 3211 * target provider in this process is in 3212 * {@link #importanceReasonComponent}. 3213 */ 3214 public static final int REASON_PROVIDER_IN_USE = 1; 3215 3216 /** 3217 * Constant for {@link #importanceReasonCode}: one of the application's 3218 * content providers is being used by another process. The pid of 3219 * the client process is in {@link #importanceReasonPid} and the 3220 * target provider in this process is in 3221 * {@link #importanceReasonComponent}. 3222 */ 3223 public static final int REASON_SERVICE_IN_USE = 2; 3224 3225 /** 3226 * The reason for {@link #importance}, if any. 3227 */ 3228 public int importanceReasonCode; 3229 3230 /** 3231 * For the specified values of {@link #importanceReasonCode}, this 3232 * is the process ID of the other process that is a client of this 3233 * process. This will be 0 if no other process is using this one. 3234 */ 3235 public int importanceReasonPid; 3236 3237 /** 3238 * For the specified values of {@link #importanceReasonCode}, this 3239 * is the name of the component that is being used in this process. 3240 */ 3241 public ComponentName importanceReasonComponent; 3242 3243 /** 3244 * When {@link #importanceReasonPid} is non-0, this is the importance 3245 * of the other pid. @hide 3246 */ 3247 public int importanceReasonImportance; 3248 3249 /** 3250 * Current process state, as per PROCESS_STATE_* constants. 3251 * @hide 3252 */ 3253 public int processState; 3254 3255 public RunningAppProcessInfo() { 3256 importance = IMPORTANCE_FOREGROUND; 3257 importanceReasonCode = REASON_UNKNOWN; 3258 processState = PROCESS_STATE_IMPORTANT_FOREGROUND; 3259 } 3260 3261 public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) { 3262 processName = pProcessName; 3263 pid = pPid; 3264 pkgList = pArr; 3265 } 3266 3267 public int describeContents() { 3268 return 0; 3269 } 3270 3271 public void writeToParcel(Parcel dest, int flags) { 3272 dest.writeString(processName); 3273 dest.writeInt(pid); 3274 dest.writeInt(uid); 3275 dest.writeStringArray(pkgList); 3276 dest.writeInt(this.flags); 3277 dest.writeInt(lastTrimLevel); 3278 dest.writeInt(importance); 3279 dest.writeInt(lru); 3280 dest.writeInt(importanceReasonCode); 3281 dest.writeInt(importanceReasonPid); 3282 ComponentName.writeToParcel(importanceReasonComponent, dest); 3283 dest.writeInt(importanceReasonImportance); 3284 dest.writeInt(processState); 3285 } 3286 3287 public void readFromParcel(Parcel source) { 3288 processName = source.readString(); 3289 pid = source.readInt(); 3290 uid = source.readInt(); 3291 pkgList = source.readStringArray(); 3292 flags = source.readInt(); 3293 lastTrimLevel = source.readInt(); 3294 importance = source.readInt(); 3295 lru = source.readInt(); 3296 importanceReasonCode = source.readInt(); 3297 importanceReasonPid = source.readInt(); 3298 importanceReasonComponent = ComponentName.readFromParcel(source); 3299 importanceReasonImportance = source.readInt(); 3300 processState = source.readInt(); 3301 } 3302 3303 public static final Creator<RunningAppProcessInfo> CREATOR = 3304 new Creator<RunningAppProcessInfo>() { 3305 public RunningAppProcessInfo createFromParcel(Parcel source) { 3306 return new RunningAppProcessInfo(source); 3307 } 3308 public RunningAppProcessInfo[] newArray(int size) { 3309 return new RunningAppProcessInfo[size]; 3310 } 3311 }; 3312 3313 private RunningAppProcessInfo(Parcel source) { 3314 readFromParcel(source); 3315 } 3316 } 3317 3318 /** 3319 * Returns a list of application processes installed on external media 3320 * that are running on the device. 3321 * 3322 * <p><b>Note: this method is only intended for debugging or building 3323 * a user-facing process management UI.</b></p> 3324 * 3325 * @return Returns a list of ApplicationInfo records, or null if none 3326 * This list ordering is not specified. 3327 * @hide 3328 */ 3329 public List<ApplicationInfo> getRunningExternalApplications() { 3330 try { 3331 return getService().getRunningExternalApplications(); 3332 } catch (RemoteException e) { 3333 throw e.rethrowFromSystemServer(); 3334 } 3335 } 3336 3337 /** 3338 * Query whether the user has enabled background restrictions for this app. 3339 * 3340 * <p> The user may chose to do this, if they see that an app is consuming an unreasonable 3341 * amount of battery while in the background. </p> 3342 * 3343 * <p> If true, any work that the app tries to do will be aggressively restricted while it is in 3344 * the background. At a minimum, jobs and alarms will not execute and foreground services 3345 * cannot be started unless an app activity is in the foreground. </p> 3346 * 3347 * <p><b> Note that these restrictions stay in effect even when the device is charging.</b></p> 3348 * 3349 * @return true if user has enforced background restrictions for this app, false otherwise. 3350 */ 3351 public boolean isBackgroundRestricted() { 3352 try { 3353 return getService().isBackgroundRestricted(mContext.getOpPackageName()); 3354 } catch (RemoteException e) { 3355 throw e.rethrowFromSystemServer(); 3356 } 3357 } 3358 3359 /** 3360 * Sets the memory trim mode for a process and schedules a memory trim operation. 3361 * 3362 * <p><b>Note: this method is only intended for testing framework.</b></p> 3363 * 3364 * @return Returns true if successful. 3365 * @hide 3366 */ 3367 public boolean setProcessMemoryTrimLevel(String process, int userId, int level) { 3368 try { 3369 return getService().setProcessMemoryTrimLevel(process, userId, 3370 level); 3371 } catch (RemoteException e) { 3372 throw e.rethrowFromSystemServer(); 3373 } 3374 } 3375 3376 /** 3377 * Returns a list of application processes that are running on the device. 3378 * 3379 * <p><b>Note: this method is only intended for debugging or building 3380 * a user-facing process management UI.</b></p> 3381 * 3382 * @return Returns a list of RunningAppProcessInfo records, or null if there are no 3383 * running processes (it will not return an empty list). This list ordering is not 3384 * specified. 3385 */ 3386 public List<RunningAppProcessInfo> getRunningAppProcesses() { 3387 try { 3388 return getService().getRunningAppProcesses(); 3389 } catch (RemoteException e) { 3390 throw e.rethrowFromSystemServer(); 3391 } 3392 } 3393 3394 /** 3395 * Return the importance of a given package name, based on the processes that are 3396 * currently running. The return value is one of the importance constants defined 3397 * in {@link RunningAppProcessInfo}, giving you the highest importance of all the 3398 * processes that this package has code running inside of. If there are no processes 3399 * running its code, {@link RunningAppProcessInfo#IMPORTANCE_GONE} is returned. 3400 * @hide 3401 */ 3402 @SystemApi @TestApi 3403 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3404 public @RunningAppProcessInfo.Importance int getPackageImportance(String packageName) { 3405 try { 3406 int procState = getService().getPackageProcessState(packageName, 3407 mContext.getOpPackageName()); 3408 return RunningAppProcessInfo.procStateToImportanceForClient(procState, mContext); 3409 } catch (RemoteException e) { 3410 throw e.rethrowFromSystemServer(); 3411 } 3412 } 3413 3414 /** 3415 * Return the importance of a given uid, based on the processes that are 3416 * currently running. The return value is one of the importance constants defined 3417 * in {@link RunningAppProcessInfo}, giving you the highest importance of all the 3418 * processes that this uid has running. If there are no processes 3419 * running its code, {@link RunningAppProcessInfo#IMPORTANCE_GONE} is returned. 3420 * @hide 3421 */ 3422 @SystemApi @TestApi 3423 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3424 public @RunningAppProcessInfo.Importance int getUidImportance(int uid) { 3425 try { 3426 int procState = getService().getUidProcessState(uid, 3427 mContext.getOpPackageName()); 3428 return RunningAppProcessInfo.procStateToImportanceForClient(procState, mContext); 3429 } catch (RemoteException e) { 3430 throw e.rethrowFromSystemServer(); 3431 } 3432 } 3433 3434 /** 3435 * Callback to get reports about changes to the importance of a uid. Use with 3436 * {@link #addOnUidImportanceListener}. 3437 * @hide 3438 */ 3439 @SystemApi @TestApi 3440 public interface OnUidImportanceListener { 3441 /** 3442 * The importance if a given uid has changed. Will be one of the importance 3443 * values in {@link RunningAppProcessInfo}; 3444 * {@link RunningAppProcessInfo#IMPORTANCE_GONE IMPORTANCE_GONE} will be reported 3445 * when the uid is no longer running at all. This callback will happen on a thread 3446 * from a thread pool, not the main UI thread. 3447 * @param uid The uid whose importance has changed. 3448 * @param importance The new importance value as per {@link RunningAppProcessInfo}. 3449 */ 3450 void onUidImportance(int uid, @RunningAppProcessInfo.Importance int importance); 3451 } 3452 3453 /** 3454 * Start monitoring changes to the imoportance of uids running in the system. 3455 * @param listener The listener callback that will receive change reports. 3456 * @param importanceCutpoint The level of importance in which the caller is interested 3457 * in differences. For example, if {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE} 3458 * is used here, you will receive a call each time a uids importance transitions between 3459 * being <= {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE} and 3460 * > {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE}. 3461 * 3462 * <p>The caller must hold the {@link android.Manifest.permission#PACKAGE_USAGE_STATS} 3463 * permission to use this feature.</p> 3464 * 3465 * @throws IllegalArgumentException If the listener is already registered. 3466 * @throws SecurityException If the caller does not hold 3467 * {@link android.Manifest.permission#PACKAGE_USAGE_STATS}. 3468 * @hide 3469 */ 3470 @SystemApi @TestApi 3471 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3472 public void addOnUidImportanceListener(OnUidImportanceListener listener, 3473 @RunningAppProcessInfo.Importance int importanceCutpoint) { 3474 synchronized (this) { 3475 if (mImportanceListeners.containsKey(listener)) { 3476 throw new IllegalArgumentException("Listener already registered: " + listener); 3477 } 3478 // TODO: implement the cut point in the system process to avoid IPCs. 3479 UidObserver observer = new UidObserver(listener, mContext); 3480 try { 3481 getService().registerUidObserver(observer, 3482 UID_OBSERVER_PROCSTATE | UID_OBSERVER_GONE, 3483 RunningAppProcessInfo.importanceToProcState(importanceCutpoint), 3484 mContext.getOpPackageName()); 3485 } catch (RemoteException e) { 3486 throw e.rethrowFromSystemServer(); 3487 } 3488 mImportanceListeners.put(listener, observer); 3489 } 3490 } 3491 3492 /** 3493 * Remove an importance listener that was previously registered with 3494 * {@link #addOnUidImportanceListener}. 3495 * 3496 * @throws IllegalArgumentException If the listener is not registered. 3497 * @hide 3498 */ 3499 @SystemApi @TestApi 3500 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3501 public void removeOnUidImportanceListener(OnUidImportanceListener listener) { 3502 synchronized (this) { 3503 UidObserver observer = mImportanceListeners.remove(listener); 3504 if (observer == null) { 3505 throw new IllegalArgumentException("Listener not registered: " + listener); 3506 } 3507 try { 3508 getService().unregisterUidObserver(observer); 3509 } catch (RemoteException e) { 3510 throw e.rethrowFromSystemServer(); 3511 } 3512 } 3513 } 3514 3515 /** 3516 * Return global memory state information for the calling process. This 3517 * does not fill in all fields of the {@link RunningAppProcessInfo}. The 3518 * only fields that will be filled in are 3519 * {@link RunningAppProcessInfo#pid}, 3520 * {@link RunningAppProcessInfo#uid}, 3521 * {@link RunningAppProcessInfo#lastTrimLevel}, 3522 * {@link RunningAppProcessInfo#importance}, 3523 * {@link RunningAppProcessInfo#lru}, and 3524 * {@link RunningAppProcessInfo#importanceReasonCode}. 3525 */ 3526 static public void getMyMemoryState(RunningAppProcessInfo outState) { 3527 try { 3528 getService().getMyMemoryState(outState); 3529 } catch (RemoteException e) { 3530 throw e.rethrowFromSystemServer(); 3531 } 3532 } 3533 3534 /** 3535 * Return information about the memory usage of one or more processes. 3536 * 3537 * <p><b>Note: this method is only intended for debugging or building 3538 * a user-facing process management UI.</b></p> 3539 * 3540 * @param pids The pids of the processes whose memory usage is to be 3541 * retrieved. 3542 * @return Returns an array of memory information, one for each 3543 * requested pid. 3544 */ 3545 public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { 3546 try { 3547 return getService().getProcessMemoryInfo(pids); 3548 } catch (RemoteException e) { 3549 throw e.rethrowFromSystemServer(); 3550 } 3551 } 3552 3553 /** 3554 * @deprecated This is now just a wrapper for 3555 * {@link #killBackgroundProcesses(String)}; the previous behavior here 3556 * is no longer available to applications because it allows them to 3557 * break other applications by removing their alarms, stopping their 3558 * services, etc. 3559 */ 3560 @Deprecated 3561 public void restartPackage(String packageName) { 3562 killBackgroundProcesses(packageName); 3563 } 3564 3565 /** 3566 * Have the system immediately kill all background processes associated 3567 * with the given package. This is the same as the kernel killing those 3568 * processes to reclaim memory; the system will take care of restarting 3569 * these processes in the future as needed. 3570 * 3571 * @param packageName The name of the package whose processes are to 3572 * be killed. 3573 */ 3574 @RequiresPermission(Manifest.permission.KILL_BACKGROUND_PROCESSES) 3575 public void killBackgroundProcesses(String packageName) { 3576 try { 3577 getService().killBackgroundProcesses(packageName, 3578 mContext.getUserId()); 3579 } catch (RemoteException e) { 3580 throw e.rethrowFromSystemServer(); 3581 } 3582 } 3583 3584 /** 3585 * Kills the specified UID. 3586 * @param uid The UID to kill. 3587 * @param reason The reason for the kill. 3588 * 3589 * @hide 3590 */ 3591 @SystemApi 3592 @RequiresPermission(Manifest.permission.KILL_UID) 3593 public void killUid(int uid, String reason) { 3594 try { 3595 getService().killUid(UserHandle.getAppId(uid), 3596 UserHandle.getUserId(uid), reason); 3597 } catch (RemoteException e) { 3598 throw e.rethrowFromSystemServer(); 3599 } 3600 } 3601 3602 /** 3603 * Have the system perform a force stop of everything associated with 3604 * the given application package. All processes that share its uid 3605 * will be killed, all services it has running stopped, all activities 3606 * removed, etc. In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED} 3607 * broadcast will be sent, so that any of its registered alarms can 3608 * be stopped, notifications removed, etc. 3609 * 3610 * <p>You must hold the permission 3611 * {@link android.Manifest.permission#FORCE_STOP_PACKAGES} to be able to 3612 * call this method. 3613 * 3614 * @param packageName The name of the package to be stopped. 3615 * @param userId The user for which the running package is to be stopped. 3616 * 3617 * @hide This is not available to third party applications due to 3618 * it allowing them to break other applications by stopping their 3619 * services, removing their alarms, etc. 3620 */ 3621 public void forceStopPackageAsUser(String packageName, int userId) { 3622 try { 3623 getService().forceStopPackage(packageName, userId); 3624 } catch (RemoteException e) { 3625 throw e.rethrowFromSystemServer(); 3626 } 3627 } 3628 3629 /** 3630 * @see #forceStopPackageAsUser(String, int) 3631 * @hide 3632 */ 3633 @SystemApi 3634 @RequiresPermission(Manifest.permission.FORCE_STOP_PACKAGES) 3635 public void forceStopPackage(String packageName) { 3636 forceStopPackageAsUser(packageName, mContext.getUserId()); 3637 } 3638 3639 /** 3640 * Get the device configuration attributes. 3641 */ 3642 public ConfigurationInfo getDeviceConfigurationInfo() { 3643 try { 3644 return getService().getDeviceConfigurationInfo(); 3645 } catch (RemoteException e) { 3646 throw e.rethrowFromSystemServer(); 3647 } 3648 } 3649 3650 /** 3651 * Get the preferred density of icons for the launcher. This is used when 3652 * custom drawables are created (e.g., for shortcuts). 3653 * 3654 * @return density in terms of DPI 3655 */ 3656 public int getLauncherLargeIconDensity() { 3657 final Resources res = mContext.getResources(); 3658 final int density = res.getDisplayMetrics().densityDpi; 3659 final int sw = res.getConfiguration().smallestScreenWidthDp; 3660 3661 if (sw < 600) { 3662 // Smaller than approx 7" tablets, use the regular icon size. 3663 return density; 3664 } 3665 3666 switch (density) { 3667 case DisplayMetrics.DENSITY_LOW: 3668 return DisplayMetrics.DENSITY_MEDIUM; 3669 case DisplayMetrics.DENSITY_MEDIUM: 3670 return DisplayMetrics.DENSITY_HIGH; 3671 case DisplayMetrics.DENSITY_TV: 3672 return DisplayMetrics.DENSITY_XHIGH; 3673 case DisplayMetrics.DENSITY_HIGH: 3674 return DisplayMetrics.DENSITY_XHIGH; 3675 case DisplayMetrics.DENSITY_XHIGH: 3676 return DisplayMetrics.DENSITY_XXHIGH; 3677 case DisplayMetrics.DENSITY_XXHIGH: 3678 return DisplayMetrics.DENSITY_XHIGH * 2; 3679 default: 3680 // The density is some abnormal value. Return some other 3681 // abnormal value that is a reasonable scaling of it. 3682 return (int)((density*1.5f)+.5f); 3683 } 3684 } 3685 3686 /** 3687 * Get the preferred launcher icon size. This is used when custom drawables 3688 * are created (e.g., for shortcuts). 3689 * 3690 * @return dimensions of square icons in terms of pixels 3691 */ 3692 public int getLauncherLargeIconSize() { 3693 return getLauncherLargeIconSizeInner(mContext); 3694 } 3695 3696 static int getLauncherLargeIconSizeInner(Context context) { 3697 final Resources res = context.getResources(); 3698 final int size = res.getDimensionPixelSize(android.R.dimen.app_icon_size); 3699 final int sw = res.getConfiguration().smallestScreenWidthDp; 3700 3701 if (sw < 600) { 3702 // Smaller than approx 7" tablets, use the regular icon size. 3703 return size; 3704 } 3705 3706 final int density = res.getDisplayMetrics().densityDpi; 3707 3708 switch (density) { 3709 case DisplayMetrics.DENSITY_LOW: 3710 return (size * DisplayMetrics.DENSITY_MEDIUM) / DisplayMetrics.DENSITY_LOW; 3711 case DisplayMetrics.DENSITY_MEDIUM: 3712 return (size * DisplayMetrics.DENSITY_HIGH) / DisplayMetrics.DENSITY_MEDIUM; 3713 case DisplayMetrics.DENSITY_TV: 3714 return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; 3715 case DisplayMetrics.DENSITY_HIGH: 3716 return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; 3717 case DisplayMetrics.DENSITY_XHIGH: 3718 return (size * DisplayMetrics.DENSITY_XXHIGH) / DisplayMetrics.DENSITY_XHIGH; 3719 case DisplayMetrics.DENSITY_XXHIGH: 3720 return (size * DisplayMetrics.DENSITY_XHIGH*2) / DisplayMetrics.DENSITY_XXHIGH; 3721 default: 3722 // The density is some abnormal value. Return some other 3723 // abnormal value that is a reasonable scaling of it. 3724 return (int)((size*1.5f) + .5f); 3725 } 3726 } 3727 3728 /** 3729 * Returns "true" if the user interface is currently being messed with 3730 * by a monkey. 3731 */ 3732 public static boolean isUserAMonkey() { 3733 try { 3734 return getService().isUserAMonkey(); 3735 } catch (RemoteException e) { 3736 throw e.rethrowFromSystemServer(); 3737 } 3738 } 3739 3740 /** 3741 * Returns "true" if device is running in a test harness. 3742 */ 3743 public static boolean isRunningInTestHarness() { 3744 return SystemProperties.getBoolean("ro.test_harness", false); 3745 } 3746 3747 /** 3748 * Returns the launch count of each installed package. 3749 * 3750 * @hide 3751 */ 3752 /*public Map<String, Integer> getAllPackageLaunchCounts() { 3753 try { 3754 IUsageStats usageStatsService = IUsageStats.Stub.asInterface( 3755 ServiceManager.getService("usagestats")); 3756 if (usageStatsService == null) { 3757 return new HashMap<String, Integer>(); 3758 } 3759 3760 UsageStats.PackageStats[] allPkgUsageStats = usageStatsService.getAllPkgUsageStats( 3761 ActivityThread.currentPackageName()); 3762 if (allPkgUsageStats == null) { 3763 return new HashMap<String, Integer>(); 3764 } 3765 3766 Map<String, Integer> launchCounts = new HashMap<String, Integer>(); 3767 for (UsageStats.PackageStats pkgUsageStats : allPkgUsageStats) { 3768 launchCounts.put(pkgUsageStats.getPackageName(), pkgUsageStats.getLaunchCount()); 3769 } 3770 3771 return launchCounts; 3772 } catch (RemoteException e) { 3773 Log.w(TAG, "Could not query launch counts", e); 3774 return new HashMap<String, Integer>(); 3775 } 3776 }*/ 3777 3778 /** @hide */ 3779 public static int checkComponentPermission(String permission, int uid, 3780 int owningUid, boolean exported) { 3781 // Root, system server get to do everything. 3782 final int appId = UserHandle.getAppId(uid); 3783 if (appId == Process.ROOT_UID || appId == Process.SYSTEM_UID) { 3784 return PackageManager.PERMISSION_GRANTED; 3785 } 3786 // Isolated processes don't get any permissions. 3787 if (UserHandle.isIsolated(uid)) { 3788 return PackageManager.PERMISSION_DENIED; 3789 } 3790 // If there is a uid that owns whatever is being accessed, it has 3791 // blanket access to it regardless of the permissions it requires. 3792 if (owningUid >= 0 && UserHandle.isSameApp(uid, owningUid)) { 3793 return PackageManager.PERMISSION_GRANTED; 3794 } 3795 // If the target is not exported, then nobody else can get to it. 3796 if (!exported) { 3797 /* 3798 RuntimeException here = new RuntimeException("here"); 3799 here.fillInStackTrace(); 3800 Slog.w(TAG, "Permission denied: checkComponentPermission() owningUid=" + owningUid, 3801 here); 3802 */ 3803 return PackageManager.PERMISSION_DENIED; 3804 } 3805 if (permission == null) { 3806 return PackageManager.PERMISSION_GRANTED; 3807 } 3808 try { 3809 return AppGlobals.getPackageManager() 3810 .checkUidPermission(permission, uid); 3811 } catch (RemoteException e) { 3812 throw e.rethrowFromSystemServer(); 3813 } 3814 } 3815 3816 /** @hide */ 3817 public static int checkUidPermission(String permission, int uid) { 3818 try { 3819 return AppGlobals.getPackageManager() 3820 .checkUidPermission(permission, uid); 3821 } catch (RemoteException e) { 3822 throw e.rethrowFromSystemServer(); 3823 } 3824 } 3825 3826 /** 3827 * @hide 3828 * Helper for dealing with incoming user arguments to system service calls. 3829 * Takes care of checking permissions and converting USER_CURRENT to the 3830 * actual current user. 3831 * 3832 * @param callingPid The pid of the incoming call, as per Binder.getCallingPid(). 3833 * @param callingUid The uid of the incoming call, as per Binder.getCallingUid(). 3834 * @param userId The user id argument supplied by the caller -- this is the user 3835 * they want to run as. 3836 * @param allowAll If true, we will allow USER_ALL. This means you must be prepared 3837 * to get a USER_ALL returned and deal with it correctly. If false, 3838 * an exception will be thrown if USER_ALL is supplied. 3839 * @param requireFull If true, the caller must hold 3840 * {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} to be able to run as a 3841 * different user than their current process; otherwise they must hold 3842 * {@link android.Manifest.permission#INTERACT_ACROSS_USERS}. 3843 * @param name Optional textual name of the incoming call; only for generating error messages. 3844 * @param callerPackage Optional package name of caller; only for error messages. 3845 * 3846 * @return Returns the user ID that the call should run as. Will always be a concrete 3847 * user number, unless <var>allowAll</var> is true in which case it could also be 3848 * USER_ALL. 3849 */ 3850 public static int handleIncomingUser(int callingPid, int callingUid, int userId, 3851 boolean allowAll, boolean requireFull, String name, String callerPackage) { 3852 if (UserHandle.getUserId(callingUid) == userId) { 3853 return userId; 3854 } 3855 try { 3856 return getService().handleIncomingUser(callingPid, 3857 callingUid, userId, allowAll, requireFull, name, callerPackage); 3858 } catch (RemoteException e) { 3859 throw e.rethrowFromSystemServer(); 3860 } 3861 } 3862 3863 /** 3864 * Gets the userId of the current foreground user. Requires system permissions. 3865 * @hide 3866 */ 3867 @SystemApi 3868 @RequiresPermission(anyOf = { 3869 "android.permission.INTERACT_ACROSS_USERS", 3870 "android.permission.INTERACT_ACROSS_USERS_FULL" 3871 }) 3872 public static int getCurrentUser() { 3873 UserInfo ui; 3874 try { 3875 ui = getService().getCurrentUser(); 3876 return ui != null ? ui.id : 0; 3877 } catch (RemoteException e) { 3878 throw e.rethrowFromSystemServer(); 3879 } 3880 } 3881 3882 /** 3883 * @param userid the user's id. Zero indicates the default user. 3884 * @hide 3885 */ 3886 public boolean switchUser(int userid) { 3887 try { 3888 return getService().switchUser(userid); 3889 } catch (RemoteException e) { 3890 throw e.rethrowFromSystemServer(); 3891 } 3892 } 3893 3894 /** 3895 * Logs out current current foreground user by switching to the system user and stopping the 3896 * user being switched from. 3897 * @hide 3898 */ 3899 public static void logoutCurrentUser() { 3900 int currentUser = ActivityManager.getCurrentUser(); 3901 if (currentUser != UserHandle.USER_SYSTEM) { 3902 try { 3903 getService().switchUser(UserHandle.USER_SYSTEM); 3904 getService().stopUser(currentUser, /* force= */ false, null); 3905 } catch (RemoteException e) { 3906 e.rethrowFromSystemServer(); 3907 } 3908 } 3909 } 3910 3911 /** {@hide} */ 3912 public static final int FLAG_OR_STOPPED = 1 << 0; 3913 /** {@hide} */ 3914 public static final int FLAG_AND_LOCKED = 1 << 1; 3915 /** {@hide} */ 3916 public static final int FLAG_AND_UNLOCKED = 1 << 2; 3917 /** {@hide} */ 3918 public static final int FLAG_AND_UNLOCKING_OR_UNLOCKED = 1 << 3; 3919 3920 /** 3921 * Return whether the given user is actively running. This means that 3922 * the user is in the "started" state, not "stopped" -- it is currently 3923 * allowed to run code through scheduled alarms, receiving broadcasts, 3924 * etc. A started user may be either the current foreground user or a 3925 * background user; the result here does not distinguish between the two. 3926 * @param userId the user's id. Zero indicates the default user. 3927 * @hide 3928 */ 3929 public boolean isUserRunning(int userId) { 3930 try { 3931 return getService().isUserRunning(userId, 0); 3932 } catch (RemoteException e) { 3933 throw e.rethrowFromSystemServer(); 3934 } 3935 } 3936 3937 /** {@hide} */ 3938 public boolean isVrModePackageEnabled(ComponentName component) { 3939 try { 3940 return getService().isVrModePackageEnabled(component); 3941 } catch (RemoteException e) { 3942 throw e.rethrowFromSystemServer(); 3943 } 3944 } 3945 3946 /** 3947 * Perform a system dump of various state associated with the given application 3948 * package name. This call blocks while the dump is being performed, so should 3949 * not be done on a UI thread. The data will be written to the given file 3950 * descriptor as text. 3951 * @param fd The file descriptor that the dump should be written to. The file 3952 * descriptor is <em>not</em> closed by this function; the caller continues to 3953 * own it. 3954 * @param packageName The name of the package that is to be dumped. 3955 */ 3956 @RequiresPermission(Manifest.permission.DUMP) 3957 public void dumpPackageState(FileDescriptor fd, String packageName) { 3958 dumpPackageStateStatic(fd, packageName); 3959 } 3960 3961 /** 3962 * @hide 3963 */ 3964 public static void dumpPackageStateStatic(FileDescriptor fd, String packageName) { 3965 FileOutputStream fout = new FileOutputStream(fd); 3966 PrintWriter pw = new FastPrintWriter(fout); 3967 dumpService(pw, fd, "package", new String[] { packageName }); 3968 pw.println(); 3969 dumpService(pw, fd, Context.ACTIVITY_SERVICE, new String[] { 3970 "-a", "package", packageName }); 3971 pw.println(); 3972 dumpService(pw, fd, "meminfo", new String[] { "--local", "--package", packageName }); 3973 pw.println(); 3974 dumpService(pw, fd, ProcessStats.SERVICE_NAME, new String[] { packageName }); 3975 pw.println(); 3976 dumpService(pw, fd, "usagestats", new String[] { packageName }); 3977 pw.println(); 3978 dumpService(pw, fd, BatteryStats.SERVICE_NAME, new String[] { packageName }); 3979 pw.flush(); 3980 } 3981 3982 /** 3983 * @hide 3984 */ 3985 public static boolean isSystemReady() { 3986 if (!sSystemReady) { 3987 if (ActivityThread.isSystem()) { 3988 sSystemReady = 3989 LocalServices.getService(ActivityManagerInternal.class).isSystemReady(); 3990 } else { 3991 // Since this is being called from outside system server, system should be 3992 // ready by now. 3993 sSystemReady = true; 3994 } 3995 } 3996 return sSystemReady; 3997 } 3998 3999 /** 4000 * @hide 4001 */ 4002 public static void broadcastStickyIntent(Intent intent, int userId) { 4003 broadcastStickyIntent(intent, AppOpsManager.OP_NONE, userId); 4004 } 4005 4006 /** 4007 * Convenience for sending a sticky broadcast. For internal use only. 4008 * 4009 * @hide 4010 */ 4011 public static void broadcastStickyIntent(Intent intent, int appOp, int userId) { 4012 try { 4013 getService().broadcastIntent( 4014 null, intent, null, null, Activity.RESULT_OK, null, null, 4015 null /*permission*/, appOp, null, false, true, userId); 4016 } catch (RemoteException ex) { 4017 } 4018 } 4019 4020 /** 4021 * @hide 4022 */ 4023 public static void noteWakeupAlarm(PendingIntent ps, WorkSource workSource, int sourceUid, 4024 String sourcePkg, String tag) { 4025 try { 4026 getService().noteWakeupAlarm((ps != null) ? ps.getTarget() : null, workSource, 4027 sourceUid, sourcePkg, tag); 4028 } catch (RemoteException ex) { 4029 } 4030 } 4031 4032 /** 4033 * @hide 4034 */ 4035 public static void noteAlarmStart(PendingIntent ps, WorkSource workSource, int sourceUid, 4036 String tag) { 4037 try { 4038 getService().noteAlarmStart((ps != null) ? ps.getTarget() : null, workSource, 4039 sourceUid, tag); 4040 } catch (RemoteException ex) { 4041 } 4042 } 4043 4044 4045 /** 4046 * @hide 4047 */ 4048 public static void noteAlarmFinish(PendingIntent ps, WorkSource workSource, int sourceUid, 4049 String tag) { 4050 try { 4051 getService().noteAlarmFinish((ps != null) ? ps.getTarget() : null, workSource, 4052 sourceUid, tag); 4053 } catch (RemoteException ex) { 4054 } 4055 } 4056 4057 /** 4058 * @hide 4059 */ 4060 public static IActivityManager getService() { 4061 return IActivityManagerSingleton.get(); 4062 } 4063 4064 private static final Singleton<IActivityManager> IActivityManagerSingleton = 4065 new Singleton<IActivityManager>() { 4066 @Override 4067 protected IActivityManager create() { 4068 final IBinder b = ServiceManager.getService(Context.ACTIVITY_SERVICE); 4069 final IActivityManager am = IActivityManager.Stub.asInterface(b); 4070 return am; 4071 } 4072 }; 4073 4074 private static void dumpService(PrintWriter pw, FileDescriptor fd, String name, String[] args) { 4075 pw.print("DUMP OF SERVICE "); pw.print(name); pw.println(":"); 4076 IBinder service = ServiceManager.checkService(name); 4077 if (service == null) { 4078 pw.println(" (Service not found)"); 4079 pw.flush(); 4080 return; 4081 } 4082 pw.flush(); 4083 if (service instanceof Binder) { 4084 // If this is a local object, it doesn't make sense to do an async dump with it, 4085 // just directly dump. 4086 try { 4087 service.dump(fd, args); 4088 } catch (Throwable e) { 4089 pw.println("Failure dumping service:"); 4090 e.printStackTrace(pw); 4091 pw.flush(); 4092 } 4093 } else { 4094 // Otherwise, it is remote, do the dump asynchronously to avoid blocking. 4095 TransferPipe tp = null; 4096 try { 4097 pw.flush(); 4098 tp = new TransferPipe(); 4099 tp.setBufferPrefix(" "); 4100 service.dumpAsync(tp.getWriteFd().getFileDescriptor(), args); 4101 tp.go(fd, 10000); 4102 } catch (Throwable e) { 4103 if (tp != null) { 4104 tp.kill(); 4105 } 4106 pw.println("Failure dumping service:"); 4107 e.printStackTrace(pw); 4108 } 4109 } 4110 } 4111 4112 /** 4113 * Request that the system start watching for the calling process to exceed a pss 4114 * size as given here. Once called, the system will look for any occasions where it 4115 * sees the associated process with a larger pss size and, when this happens, automatically 4116 * pull a heap dump from it and allow the user to share the data. Note that this request 4117 * continues running even if the process is killed and restarted. To remove the watch, 4118 * use {@link #clearWatchHeapLimit()}. 4119 * 4120 * <p>This API only work if the calling process has been marked as 4121 * {@link ApplicationInfo#FLAG_DEBUGGABLE} or this is running on a debuggable 4122 * (userdebug or eng) build.</p> 4123 * 4124 * <p>Callers can optionally implement {@link #ACTION_REPORT_HEAP_LIMIT} to directly 4125 * handle heap limit reports themselves.</p> 4126 * 4127 * @param pssSize The size in bytes to set the limit at. 4128 */ 4129 public void setWatchHeapLimit(long pssSize) { 4130 try { 4131 getService().setDumpHeapDebugLimit(null, 0, pssSize, 4132 mContext.getPackageName()); 4133 } catch (RemoteException e) { 4134 throw e.rethrowFromSystemServer(); 4135 } 4136 } 4137 4138 /** 4139 * Action an app can implement to handle reports from {@link #setWatchHeapLimit(long)}. 4140 * If your package has an activity handling this action, it will be launched with the 4141 * heap data provided to it the same way as {@link Intent#ACTION_SEND}. Note that to 4142 * match the activty must support this action and a MIME type of "*/*". 4143 */ 4144 public static final String ACTION_REPORT_HEAP_LIMIT = "android.app.action.REPORT_HEAP_LIMIT"; 4145 4146 /** 4147 * Clear a heap watch limit previously set by {@link #setWatchHeapLimit(long)}. 4148 */ 4149 public void clearWatchHeapLimit() { 4150 try { 4151 getService().setDumpHeapDebugLimit(null, 0, 0, null); 4152 } catch (RemoteException e) { 4153 throw e.rethrowFromSystemServer(); 4154 } 4155 } 4156 4157 /** 4158 * Return whether currently in lock task mode. When in this mode 4159 * no new tasks can be created or switched to. 4160 * 4161 * @see Activity#startLockTask() 4162 * 4163 * @deprecated Use {@link #getLockTaskModeState} instead. 4164 */ 4165 @Deprecated 4166 public boolean isInLockTaskMode() { 4167 return getLockTaskModeState() != LOCK_TASK_MODE_NONE; 4168 } 4169 4170 /** 4171 * Return the current state of task locking. The three possible outcomes 4172 * are {@link #LOCK_TASK_MODE_NONE}, {@link #LOCK_TASK_MODE_LOCKED} 4173 * and {@link #LOCK_TASK_MODE_PINNED}. 4174 * 4175 * @see Activity#startLockTask() 4176 */ 4177 public int getLockTaskModeState() { 4178 try { 4179 return getService().getLockTaskModeState(); 4180 } catch (RemoteException e) { 4181 throw e.rethrowFromSystemServer(); 4182 } 4183 } 4184 4185 /** 4186 * Enable more aggressive scheduling for latency-sensitive low-runtime VR threads. Only one 4187 * thread can be a VR thread in a process at a time, and that thread may be subject to 4188 * restrictions on the amount of time it can run. 4189 * 4190 * If persistent VR mode is set, whatever thread has been granted aggressive scheduling via this 4191 * method will return to normal operation, and calling this method will do nothing while 4192 * persistent VR mode is enabled. 4193 * 4194 * To reset the VR thread for an application, a tid of 0 can be passed. 4195 * 4196 * @see android.os.Process#myTid() 4197 * @param tid tid of the VR thread 4198 */ 4199 public static void setVrThread(int tid) { 4200 try { 4201 getService().setVrThread(tid); 4202 } catch (RemoteException e) { 4203 // pass 4204 } 4205 } 4206 4207 /** 4208 * Enable more aggressive scheduling for latency-sensitive low-runtime VR threads that persist 4209 * beyond a single process. Only one thread can be a 4210 * persistent VR thread at a time, and that thread may be subject to restrictions on the amount 4211 * of time it can run. Calling this method will disable aggressive scheduling for non-persistent 4212 * VR threads set via {@link #setVrThread}. If persistent VR mode is disabled then the 4213 * persistent VR thread loses its new scheduling priority; this method must be called again to 4214 * set the persistent thread. 4215 * 4216 * To reset the persistent VR thread, a tid of 0 can be passed. 4217 * 4218 * @see android.os.Process#myTid() 4219 * @param tid tid of the VR thread 4220 * @hide 4221 */ 4222 @RequiresPermission(Manifest.permission.RESTRICTED_VR_ACCESS) 4223 public static void setPersistentVrThread(int tid) { 4224 try { 4225 getService().setPersistentVrThread(tid); 4226 } catch (RemoteException e) { 4227 // pass 4228 } 4229 } 4230 4231 /** 4232 * The AppTask allows you to manage your own application's tasks. 4233 * See {@link android.app.ActivityManager#getAppTasks()} 4234 */ 4235 public static class AppTask { 4236 private IAppTask mAppTaskImpl; 4237 4238 /** @hide */ 4239 public AppTask(IAppTask task) { 4240 mAppTaskImpl = task; 4241 } 4242 4243 /** 4244 * Finishes all activities in this task and removes it from the recent tasks list. 4245 */ 4246 public void finishAndRemoveTask() { 4247 try { 4248 mAppTaskImpl.finishAndRemoveTask(); 4249 } catch (RemoteException e) { 4250 throw e.rethrowFromSystemServer(); 4251 } 4252 } 4253 4254 /** 4255 * Get the RecentTaskInfo associated with this task. 4256 * 4257 * @return The RecentTaskInfo for this task, or null if the task no longer exists. 4258 */ 4259 public RecentTaskInfo getTaskInfo() { 4260 try { 4261 return mAppTaskImpl.getTaskInfo(); 4262 } catch (RemoteException e) { 4263 throw e.rethrowFromSystemServer(); 4264 } 4265 } 4266 4267 /** 4268 * Bring this task to the foreground. If it contains activities, they will be 4269 * brought to the foreground with it and their instances re-created if needed. 4270 * If it doesn't contain activities, the root activity of the task will be 4271 * re-launched. 4272 */ 4273 public void moveToFront() { 4274 try { 4275 mAppTaskImpl.moveToFront(); 4276 } catch (RemoteException e) { 4277 throw e.rethrowFromSystemServer(); 4278 } 4279 } 4280 4281 /** 4282 * Start an activity in this task. Brings the task to the foreground. If this task 4283 * is not currently active (that is, its id < 0), then a new activity for the given 4284 * Intent will be launched as the root of the task and the task brought to the 4285 * foreground. Otherwise, if this task is currently active and the Intent does not specify 4286 * an activity to launch in a new task, then a new activity for the given Intent will 4287 * be launched on top of the task and the task brought to the foreground. If this 4288 * task is currently active and the Intent specifies {@link Intent#FLAG_ACTIVITY_NEW_TASK} 4289 * or would otherwise be launched in to a new task, then the activity not launched but 4290 * this task be brought to the foreground and a new intent delivered to the top 4291 * activity if appropriate. 4292 * 4293 * <p>In other words, you generally want to use an Intent here that does not specify 4294 * {@link Intent#FLAG_ACTIVITY_NEW_TASK} or {@link Intent#FLAG_ACTIVITY_NEW_DOCUMENT}, 4295 * and let the system do the right thing.</p> 4296 * 4297 * @param intent The Intent describing the new activity to be launched on the task. 4298 * @param options Optional launch options. 4299 * 4300 * @see Activity#startActivity(android.content.Intent, android.os.Bundle) 4301 */ 4302 public void startActivity(Context context, Intent intent, Bundle options) { 4303 ActivityThread thread = ActivityThread.currentActivityThread(); 4304 thread.getInstrumentation().execStartActivityFromAppTask(context, 4305 thread.getApplicationThread(), mAppTaskImpl, intent, options); 4306 } 4307 4308 /** 4309 * Modify the {@link Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag in the root 4310 * Intent of this AppTask. 4311 * 4312 * @param exclude If true, {@link Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} will 4313 * be set; otherwise, it will be cleared. 4314 */ 4315 public void setExcludeFromRecents(boolean exclude) { 4316 try { 4317 mAppTaskImpl.setExcludeFromRecents(exclude); 4318 } catch (RemoteException e) { 4319 throw e.rethrowFromSystemServer(); 4320 } 4321 } 4322 } 4323} 4324