ActivityManager.java revision 76f0ccb5f1079040b28505e48fe8822b88d474f1
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.os.BatteryStats; 48import android.os.Binder; 49import android.os.Build; 50import android.os.Build.VERSION_CODES; 51import android.os.Bundle; 52import android.os.Debug; 53import android.os.Handler; 54import android.os.IBinder; 55import android.os.Parcel; 56import android.os.Parcelable; 57import android.os.Process; 58import android.os.RemoteException; 59import android.os.ServiceManager; 60import android.os.SystemProperties; 61import android.os.UserHandle; 62import android.os.WorkSource; 63import android.text.TextUtils; 64import android.util.ArrayMap; 65import android.util.DisplayMetrics; 66import android.util.Singleton; 67import android.util.Size; 68 69import com.android.internal.app.procstats.ProcessStats; 70import com.android.internal.os.RoSystemProperties; 71import com.android.internal.os.TransferPipe; 72import com.android.internal.util.FastPrintWriter; 73import com.android.server.LocalServices; 74 75import org.xmlpull.v1.XmlSerializer; 76 77import java.io.FileDescriptor; 78import java.io.FileOutputStream; 79import java.io.IOException; 80import java.io.PrintWriter; 81import java.lang.annotation.Retention; 82import java.lang.annotation.RetentionPolicy; 83import java.util.ArrayList; 84import java.util.List; 85 86/** 87 * <p> 88 * This class gives information about, and interacts 89 * with, activities, services, and the containing 90 * process. 91 * </p> 92 * 93 * <p> 94 * A number of the methods in this class are for 95 * debugging or informational purposes and they should 96 * not be used to affect any runtime behavior of 97 * your app. These methods are called out as such in 98 * the method level documentation. 99 * </p> 100 * 101 *<p> 102 * Most application developers should not have the need to 103 * use this class, most of whose methods are for specialized 104 * use cases. However, a few methods are more broadly applicable. 105 * For instance, {@link android.app.ActivityManager#isLowRamDevice() isLowRamDevice()} 106 * enables your app to detect whether it is running on a low-memory device, 107 * and behave accordingly. 108 * {@link android.app.ActivityManager#clearApplicationUserData() clearApplicationUserData()} 109 * is for apps with reset-data functionality. 110 * </p> 111 * 112 * <p> 113 * In some special use cases, where an app interacts with 114 * its Task stack, the app may use the 115 * {@link android.app.ActivityManager.AppTask} and 116 * {@link android.app.ActivityManager.RecentTaskInfo} inner 117 * classes. However, in general, the methods in this class should 118 * be used for testing and debugging purposes only. 119 * </p> 120 */ 121@SystemService(Context.ACTIVITY_SERVICE) 122public class ActivityManager { 123 private static String TAG = "ActivityManager"; 124 125 private static int gMaxRecentTasks = -1; 126 127 private final Context mContext; 128 129 private static volatile boolean sSystemReady = false; 130 131 132 private static final int FIRST_START_FATAL_ERROR_CODE = -100; 133 private static final int LAST_START_FATAL_ERROR_CODE = -1; 134 private static final int FIRST_START_SUCCESS_CODE = 0; 135 private static final int LAST_START_SUCCESS_CODE = 99; 136 private static final int FIRST_START_NON_FATAL_ERROR_CODE = 100; 137 private static final int LAST_START_NON_FATAL_ERROR_CODE = 199; 138 139 static final class UidObserver extends IUidObserver.Stub { 140 final OnUidImportanceListener mListener; 141 final Context mContext; 142 143 UidObserver(OnUidImportanceListener listener, Context clientContext) { 144 mListener = listener; 145 mContext = clientContext; 146 } 147 148 @Override 149 public void onUidStateChanged(int uid, int procState, long procStateSeq) { 150 mListener.onUidImportance(uid, RunningAppProcessInfo.procStateToImportanceForClient( 151 procState, mContext)); 152 } 153 154 @Override 155 public void onUidGone(int uid, boolean disabled) { 156 mListener.onUidImportance(uid, RunningAppProcessInfo.IMPORTANCE_GONE); 157 } 158 159 @Override 160 public void onUidActive(int uid) { 161 } 162 163 @Override 164 public void onUidIdle(int uid, boolean disabled) { 165 } 166 167 @Override public void onUidCachedChanged(int uid, boolean cached) { 168 } 169 } 170 171 final ArrayMap<OnUidImportanceListener, UidObserver> mImportanceListeners = new ArrayMap<>(); 172 173 /** 174 * Defines acceptable types of bugreports. 175 * @hide 176 */ 177 @Retention(RetentionPolicy.SOURCE) 178 @IntDef(prefix = { "BUGREPORT_OPTION_" }, value = { 179 BUGREPORT_OPTION_FULL, 180 BUGREPORT_OPTION_INTERACTIVE, 181 BUGREPORT_OPTION_REMOTE, 182 BUGREPORT_OPTION_WEAR, 183 BUGREPORT_OPTION_TELEPHONY, 184 BUGREPORT_OPTION_WIFI 185 }) 186 public @interface BugreportMode {} 187 /** 188 * Takes a bugreport without user interference (and hence causing less 189 * interference to the system), but includes all sections. 190 * @hide 191 */ 192 public static final int BUGREPORT_OPTION_FULL = 0; 193 /** 194 * Allows user to monitor progress and enter additional data; might not include all 195 * sections. 196 * @hide 197 */ 198 public static final int BUGREPORT_OPTION_INTERACTIVE = 1; 199 /** 200 * Takes a bugreport requested remotely by administrator of the Device Owner app, 201 * not the device's user. 202 * @hide 203 */ 204 public static final int BUGREPORT_OPTION_REMOTE = 2; 205 /** 206 * Takes a bugreport on a wearable device. 207 * @hide 208 */ 209 public static final int BUGREPORT_OPTION_WEAR = 3; 210 211 /** 212 * Takes a lightweight version of bugreport that only includes a few, urgent sections 213 * used to report telephony bugs. 214 * @hide 215 */ 216 public static final int BUGREPORT_OPTION_TELEPHONY = 4; 217 218 /** 219 * Takes a lightweight bugreport that only includes a few sections related to Wifi. 220 * @hide 221 */ 222 public static final int BUGREPORT_OPTION_WIFI = 5; 223 224 /** 225 * <a href="{@docRoot}guide/topics/manifest/meta-data-element.html">{@code 226 * <meta-data>}</a> name for a 'home' Activity that declares a package that is to be 227 * uninstalled in lieu of the declaring one. The package named here must be 228 * signed with the same certificate as the one declaring the {@code <meta-data>}. 229 */ 230 public static final String META_HOME_ALTERNATE = "android.app.home.alternate"; 231 232 // NOTE: Before adding a new start result, please reference the defined ranges to ensure the 233 // result is properly categorized. 234 235 /** 236 * Result for IActivityManager.startVoiceActivity: active session is currently hidden. 237 * @hide 238 */ 239 public static final int START_VOICE_HIDDEN_SESSION = FIRST_START_FATAL_ERROR_CODE; 240 241 /** 242 * Result for IActivityManager.startVoiceActivity: active session does not match 243 * the requesting token. 244 * @hide 245 */ 246 public static final int START_VOICE_NOT_ACTIVE_SESSION = FIRST_START_FATAL_ERROR_CODE + 1; 247 248 /** 249 * Result for IActivityManager.startActivity: trying to start a background user 250 * activity that shouldn't be displayed for all users. 251 * @hide 252 */ 253 public static final int START_NOT_CURRENT_USER_ACTIVITY = FIRST_START_FATAL_ERROR_CODE + 2; 254 255 /** 256 * Result for IActivityManager.startActivity: trying to start an activity under voice 257 * control when that activity does not support the VOICE category. 258 * @hide 259 */ 260 public static final int START_NOT_VOICE_COMPATIBLE = FIRST_START_FATAL_ERROR_CODE + 3; 261 262 /** 263 * Result for IActivityManager.startActivity: an error where the 264 * start had to be canceled. 265 * @hide 266 */ 267 public static final int START_CANCELED = FIRST_START_FATAL_ERROR_CODE + 4; 268 269 /** 270 * Result for IActivityManager.startActivity: an error where the 271 * thing being started is not an activity. 272 * @hide 273 */ 274 public static final int START_NOT_ACTIVITY = FIRST_START_FATAL_ERROR_CODE + 5; 275 276 /** 277 * Result for IActivityManager.startActivity: an error where the 278 * caller does not have permission to start the activity. 279 * @hide 280 */ 281 public static final int START_PERMISSION_DENIED = FIRST_START_FATAL_ERROR_CODE + 6; 282 283 /** 284 * Result for IActivityManager.startActivity: an error where the 285 * caller has requested both to forward a result and to receive 286 * a result. 287 * @hide 288 */ 289 public static final int START_FORWARD_AND_REQUEST_CONFLICT = FIRST_START_FATAL_ERROR_CODE + 7; 290 291 /** 292 * Result for IActivityManager.startActivity: an error where the 293 * requested class is not found. 294 * @hide 295 */ 296 public static final int START_CLASS_NOT_FOUND = FIRST_START_FATAL_ERROR_CODE + 8; 297 298 /** 299 * Result for IActivityManager.startActivity: an error where the 300 * given Intent could not be resolved to an activity. 301 * @hide 302 */ 303 public static final int START_INTENT_NOT_RESOLVED = FIRST_START_FATAL_ERROR_CODE + 9; 304 305 /** 306 * Result for IActivityManager.startAssistantActivity: active session is currently hidden. 307 * @hide 308 */ 309 public static final int START_ASSISTANT_HIDDEN_SESSION = FIRST_START_FATAL_ERROR_CODE + 10; 310 311 /** 312 * Result for IActivityManager.startAssistantActivity: active session does not match 313 * the requesting token. 314 * @hide 315 */ 316 public static final int START_ASSISTANT_NOT_ACTIVE_SESSION = FIRST_START_FATAL_ERROR_CODE + 11; 317 318 /** 319 * Result for IActivityManaqer.startActivity: the activity was started 320 * successfully as normal. 321 * @hide 322 */ 323 public static final int START_SUCCESS = FIRST_START_SUCCESS_CODE; 324 325 /** 326 * Result for IActivityManaqer.startActivity: the caller asked that the Intent not 327 * be executed if it is the recipient, and that is indeed the case. 328 * @hide 329 */ 330 public static final int START_RETURN_INTENT_TO_CALLER = FIRST_START_SUCCESS_CODE + 1; 331 332 /** 333 * Result for IActivityManaqer.startActivity: activity wasn't really started, but 334 * a task was simply brought to the foreground. 335 * @hide 336 */ 337 public static final int START_TASK_TO_FRONT = FIRST_START_SUCCESS_CODE + 2; 338 339 /** 340 * Result for IActivityManaqer.startActivity: activity wasn't really started, but 341 * the given Intent was given to the existing top activity. 342 * @hide 343 */ 344 public static final int START_DELIVERED_TO_TOP = FIRST_START_SUCCESS_CODE + 3; 345 346 /** 347 * Result for IActivityManaqer.startActivity: request was canceled because 348 * app switches are temporarily canceled to ensure the user's last request 349 * (such as pressing home) is performed. 350 * @hide 351 */ 352 public static final int START_SWITCHES_CANCELED = FIRST_START_NON_FATAL_ERROR_CODE; 353 354 /** 355 * Result for IActivityManaqer.startActivity: a new activity was attempted to be started 356 * while in Lock Task Mode. 357 * @hide 358 */ 359 public static final int START_RETURN_LOCK_TASK_MODE_VIOLATION = 360 FIRST_START_NON_FATAL_ERROR_CODE + 1; 361 362 /** 363 * Result for IActivityManaqer.startActivity: a new activity start was aborted. Never returned 364 * externally. 365 * @hide 366 */ 367 public static final int START_ABORTED = FIRST_START_NON_FATAL_ERROR_CODE + 2; 368 369 /** 370 * Flag for IActivityManaqer.startActivity: do special start mode where 371 * a new activity is launched only if it is needed. 372 * @hide 373 */ 374 public static final int START_FLAG_ONLY_IF_NEEDED = 1<<0; 375 376 /** 377 * Flag for IActivityManaqer.startActivity: launch the app for 378 * debugging. 379 * @hide 380 */ 381 public static final int START_FLAG_DEBUG = 1<<1; 382 383 /** 384 * Flag for IActivityManaqer.startActivity: launch the app for 385 * allocation tracking. 386 * @hide 387 */ 388 public static final int START_FLAG_TRACK_ALLOCATION = 1<<2; 389 390 /** 391 * Flag for IActivityManaqer.startActivity: launch the app with 392 * native debugging support. 393 * @hide 394 */ 395 public static final int START_FLAG_NATIVE_DEBUGGING = 1<<3; 396 397 /** 398 * Result for IActivityManaqer.broadcastIntent: success! 399 * @hide 400 */ 401 public static final int BROADCAST_SUCCESS = 0; 402 403 /** 404 * Result for IActivityManaqer.broadcastIntent: attempt to broadcast 405 * a sticky intent without appropriate permission. 406 * @hide 407 */ 408 public static final int BROADCAST_STICKY_CANT_HAVE_PERMISSION = -1; 409 410 /** 411 * Result for IActivityManager.broadcastIntent: trying to send a broadcast 412 * to a stopped user. Fail. 413 * @hide 414 */ 415 public static final int BROADCAST_FAILED_USER_STOPPED = -2; 416 417 /** 418 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 419 * for a sendBroadcast operation. 420 * @hide 421 */ 422 public static final int INTENT_SENDER_BROADCAST = 1; 423 424 /** 425 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 426 * for a startActivity operation. 427 * @hide 428 */ 429 public static final int INTENT_SENDER_ACTIVITY = 2; 430 431 /** 432 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 433 * for an activity result operation. 434 * @hide 435 */ 436 public static final int INTENT_SENDER_ACTIVITY_RESULT = 3; 437 438 /** 439 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 440 * for a startService operation. 441 * @hide 442 */ 443 public static final int INTENT_SENDER_SERVICE = 4; 444 445 /** 446 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 447 * for a startForegroundService operation. 448 * @hide 449 */ 450 public static final int INTENT_SENDER_FOREGROUND_SERVICE = 5; 451 452 /** @hide User operation call: success! */ 453 public static final int USER_OP_SUCCESS = 0; 454 455 /** @hide User operation call: given user id is not known. */ 456 public static final int USER_OP_UNKNOWN_USER = -1; 457 458 /** @hide User operation call: given user id is the current user, can't be stopped. */ 459 public static final int USER_OP_IS_CURRENT = -2; 460 461 /** @hide User operation call: system user can't be stopped. */ 462 public static final int USER_OP_ERROR_IS_SYSTEM = -3; 463 464 /** @hide User operation call: one of related users cannot be stopped. */ 465 public static final int USER_OP_ERROR_RELATED_USERS_CANNOT_STOP = -4; 466 467 /** 468 * @hide 469 * Process states, describing the kind of state a particular process is in. 470 * When updating these, make sure to also check all related references to the 471 * constant in code, and update these arrays: 472 * 473 * @see com.android.internal.app.procstats.ProcessState#PROCESS_STATE_TO_STATE 474 * @see com.android.server.am.ProcessList#sProcStateToProcMem 475 * @see com.android.server.am.ProcessList#sFirstAwakePssTimes 476 * @see com.android.server.am.ProcessList#sSameAwakePssTimes 477 * @see com.android.server.am.ProcessList#sTestFirstPssTimes 478 * @see com.android.server.am.ProcessList#sTestSamePssTimes 479 */ 480 481 /** @hide Not a real process state. */ 482 public static final int PROCESS_STATE_UNKNOWN = -1; 483 484 /** @hide Process is a persistent system process. */ 485 public static final int PROCESS_STATE_PERSISTENT = 0; 486 487 /** @hide Process is a persistent system process and is doing UI. */ 488 public static final int PROCESS_STATE_PERSISTENT_UI = 1; 489 490 /** @hide Process is hosting the current top activities. Note that this covers 491 * all activities that are visible to the user. */ 492 public static final int PROCESS_STATE_TOP = 2; 493 494 /** @hide Process is hosting a foreground service. */ 495 public static final int PROCESS_STATE_FOREGROUND_SERVICE = 3; 496 497 /** @hide Process is hosting a foreground service due to a system binding. */ 498 public static final int PROCESS_STATE_BOUND_FOREGROUND_SERVICE = 4; 499 500 /** @hide Process is important to the user, and something they are aware of. */ 501 public static final int PROCESS_STATE_IMPORTANT_FOREGROUND = 5; 502 503 /** @hide Process is important to the user, but not something they are aware of. */ 504 public static final int PROCESS_STATE_IMPORTANT_BACKGROUND = 6; 505 506 /** @hide Process is in the background transient so we will try to keep running. */ 507 public static final int PROCESS_STATE_TRANSIENT_BACKGROUND = 7; 508 509 /** @hide Process is in the background running a backup/restore operation. */ 510 public static final int PROCESS_STATE_BACKUP = 8; 511 512 /** @hide Process is in the background running a service. Unlike oom_adj, this level 513 * is used for both the normal running in background state and the executing 514 * operations state. */ 515 public static final int PROCESS_STATE_SERVICE = 9; 516 517 /** @hide Process is in the background running a receiver. Note that from the 518 * perspective of oom_adj, receivers run at a higher foreground level, but for our 519 * prioritization here that is not necessary and putting them below services means 520 * many fewer changes in some process states as they receive broadcasts. */ 521 public static final int PROCESS_STATE_RECEIVER = 10; 522 523 /** @hide Same as {@link #PROCESS_STATE_TOP} but while device is sleeping. */ 524 public static final int PROCESS_STATE_TOP_SLEEPING = 11; 525 526 /** @hide Process is in the background, but it can't restore its state so we want 527 * to try to avoid killing it. */ 528 public static final int PROCESS_STATE_HEAVY_WEIGHT = 12; 529 530 /** @hide Process is in the background but hosts the home activity. */ 531 public static final int PROCESS_STATE_HOME = 13; 532 533 /** @hide Process is in the background but hosts the last shown activity. */ 534 public static final int PROCESS_STATE_LAST_ACTIVITY = 14; 535 536 /** @hide Process is being cached for later use and contains activities. */ 537 public static final int PROCESS_STATE_CACHED_ACTIVITY = 15; 538 539 /** @hide Process is being cached for later use and is a client of another cached 540 * process that contains activities. */ 541 public static final int PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 16; 542 543 /** @hide Process is being cached for later use and has an activity that corresponds 544 * to an existing recent task. */ 545 public static final int PROCESS_STATE_CACHED_RECENT = 17; 546 547 /** @hide Process is being cached for later use and is empty. */ 548 public static final int PROCESS_STATE_CACHED_EMPTY = 18; 549 550 /** @hide Process does not exist. */ 551 public static final int PROCESS_STATE_NONEXISTENT = 19; 552 553 // NOTE: If PROCESS_STATEs are added, then new fields must be added 554 // to frameworks/base/core/proto/android/app/enums.proto and the following method must 555 // be updated to correctly map between them. 556 // However, if the current ActivityManager values are merely modified, no update should be made 557 // to enums.proto, to which values can only be added but never modified. Note that the proto 558 // versions do NOT have the ordering restrictions of the ActivityManager process state. 559 /** 560 * Maps ActivityManager.PROCESS_STATE_ values to enums.proto ProcessStateEnum value. 561 * 562 * @param amInt a process state of the form ActivityManager.PROCESS_STATE_ 563 * @return the value of the corresponding enums.proto ProcessStateEnum value. 564 * @hide 565 */ 566 public static final int processStateAmToProto(int amInt) { 567 switch (amInt) { 568 case PROCESS_STATE_UNKNOWN: 569 return AppProtoEnums.PROCESS_STATE_UNKNOWN; 570 case PROCESS_STATE_PERSISTENT: 571 return AppProtoEnums.PROCESS_STATE_PERSISTENT; 572 case PROCESS_STATE_PERSISTENT_UI: 573 return AppProtoEnums.PROCESS_STATE_PERSISTENT_UI; 574 case PROCESS_STATE_TOP: 575 return AppProtoEnums.PROCESS_STATE_TOP; 576 case PROCESS_STATE_FOREGROUND_SERVICE: 577 return AppProtoEnums.PROCESS_STATE_FOREGROUND_SERVICE; 578 case PROCESS_STATE_BOUND_FOREGROUND_SERVICE: 579 return AppProtoEnums.PROCESS_STATE_BOUND_FOREGROUND_SERVICE; 580 case PROCESS_STATE_IMPORTANT_FOREGROUND: 581 return AppProtoEnums.PROCESS_STATE_IMPORTANT_FOREGROUND; 582 case PROCESS_STATE_IMPORTANT_BACKGROUND: 583 return AppProtoEnums.PROCESS_STATE_IMPORTANT_BACKGROUND; 584 case PROCESS_STATE_TRANSIENT_BACKGROUND: 585 return AppProtoEnums.PROCESS_STATE_TRANSIENT_BACKGROUND; 586 case PROCESS_STATE_BACKUP: 587 return AppProtoEnums.PROCESS_STATE_BACKUP; 588 case PROCESS_STATE_SERVICE: 589 return AppProtoEnums.PROCESS_STATE_SERVICE; 590 case PROCESS_STATE_RECEIVER: 591 return AppProtoEnums.PROCESS_STATE_RECEIVER; 592 case PROCESS_STATE_TOP_SLEEPING: 593 return AppProtoEnums.PROCESS_STATE_TOP_SLEEPING; 594 case PROCESS_STATE_HEAVY_WEIGHT: 595 return AppProtoEnums.PROCESS_STATE_HEAVY_WEIGHT; 596 case PROCESS_STATE_HOME: 597 return AppProtoEnums.PROCESS_STATE_HOME; 598 case PROCESS_STATE_LAST_ACTIVITY: 599 return AppProtoEnums.PROCESS_STATE_LAST_ACTIVITY; 600 case PROCESS_STATE_CACHED_ACTIVITY: 601 return AppProtoEnums.PROCESS_STATE_CACHED_ACTIVITY; 602 case PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 603 return AppProtoEnums.PROCESS_STATE_CACHED_ACTIVITY_CLIENT; 604 case PROCESS_STATE_CACHED_RECENT: 605 return AppProtoEnums.PROCESS_STATE_CACHED_RECENT; 606 case PROCESS_STATE_CACHED_EMPTY: 607 return AppProtoEnums.PROCESS_STATE_CACHED_EMPTY; 608 case PROCESS_STATE_NONEXISTENT: 609 return AppProtoEnums.PROCESS_STATE_NONEXISTENT; 610 default: 611 // ActivityManager process state (amInt) 612 // could not be mapped to an AppProtoEnums ProcessState state. 613 return AppProtoEnums.PROCESS_STATE_UNKNOWN_TO_PROTO; 614 } 615 } 616 617 /** @hide The lowest process state number */ 618 public static final int MIN_PROCESS_STATE = PROCESS_STATE_PERSISTENT; 619 620 /** @hide The highest process state number */ 621 public static final int MAX_PROCESS_STATE = PROCESS_STATE_NONEXISTENT; 622 623 /** @hide Should this process state be considered a background state? */ 624 public static final boolean isProcStateBackground(int procState) { 625 return procState >= PROCESS_STATE_TRANSIENT_BACKGROUND; 626 } 627 628 /** @hide requestType for assist context: only basic information. */ 629 public static final int ASSIST_CONTEXT_BASIC = 0; 630 631 /** @hide requestType for assist context: generate full AssistStructure. */ 632 public static final int ASSIST_CONTEXT_FULL = 1; 633 634 /** @hide requestType for assist context: generate full AssistStructure for autofill. */ 635 public static final int ASSIST_CONTEXT_AUTOFILL = 2; 636 637 /** @hide Flag for registerUidObserver: report changes in process state. */ 638 public static final int UID_OBSERVER_PROCSTATE = 1<<0; 639 640 /** @hide Flag for registerUidObserver: report uid gone. */ 641 public static final int UID_OBSERVER_GONE = 1<<1; 642 643 /** @hide Flag for registerUidObserver: report uid has become idle. */ 644 public static final int UID_OBSERVER_IDLE = 1<<2; 645 646 /** @hide Flag for registerUidObserver: report uid has become active. */ 647 public static final int UID_OBSERVER_ACTIVE = 1<<3; 648 649 /** @hide Flag for registerUidObserver: report uid cached state has changed. */ 650 public static final int UID_OBSERVER_CACHED = 1<<4; 651 652 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: normal free-to-run operation. */ 653 public static final int APP_START_MODE_NORMAL = 0; 654 655 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: delay running until later. */ 656 public static final int APP_START_MODE_DELAYED = 1; 657 658 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: delay running until later, with 659 * rigid errors (throwing exception). */ 660 public static final int APP_START_MODE_DELAYED_RIGID = 2; 661 662 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: disable/cancel pending 663 * launches; this is the mode for ephemeral apps. */ 664 public static final int APP_START_MODE_DISABLED = 3; 665 666 /** 667 * Lock task mode is not active. 668 */ 669 public static final int LOCK_TASK_MODE_NONE = 0; 670 671 /** 672 * Full lock task mode is active. 673 */ 674 public static final int LOCK_TASK_MODE_LOCKED = 1; 675 676 /** 677 * App pinning mode is active. 678 */ 679 public static final int LOCK_TASK_MODE_PINNED = 2; 680 681 Point mAppTaskThumbnailSize; 682 683 /*package*/ ActivityManager(Context context, Handler handler) { 684 mContext = context; 685 } 686 687 /** 688 * Returns whether the launch was successful. 689 * @hide 690 */ 691 public static final boolean isStartResultSuccessful(int result) { 692 return FIRST_START_SUCCESS_CODE <= result && result <= LAST_START_SUCCESS_CODE; 693 } 694 695 /** 696 * Returns whether the launch result was a fatal error. 697 * @hide 698 */ 699 public static final boolean isStartResultFatalError(int result) { 700 return FIRST_START_FATAL_ERROR_CODE <= result && result <= LAST_START_FATAL_ERROR_CODE; 701 } 702 703 /** 704 * Screen compatibility mode: the application most always run in 705 * compatibility mode. 706 * @hide 707 */ 708 public static final int COMPAT_MODE_ALWAYS = -1; 709 710 /** 711 * Screen compatibility mode: the application can never run in 712 * compatibility mode. 713 * @hide 714 */ 715 public static final int COMPAT_MODE_NEVER = -2; 716 717 /** 718 * Screen compatibility mode: unknown. 719 * @hide 720 */ 721 public static final int COMPAT_MODE_UNKNOWN = -3; 722 723 /** 724 * Screen compatibility mode: the application currently has compatibility 725 * mode disabled. 726 * @hide 727 */ 728 public static final int COMPAT_MODE_DISABLED = 0; 729 730 /** 731 * Screen compatibility mode: the application currently has compatibility 732 * mode enabled. 733 * @hide 734 */ 735 public static final int COMPAT_MODE_ENABLED = 1; 736 737 /** 738 * Screen compatibility mode: request to toggle the application's 739 * compatibility mode. 740 * @hide 741 */ 742 public static final int COMPAT_MODE_TOGGLE = 2; 743 744 private static final boolean DEVELOPMENT_FORCE_LOW_RAM = 745 SystemProperties.getBoolean("debug.force_low_ram", false); 746 747 /** @hide */ 748 @TestApi 749 public static class StackId { 750 751 private StackId() { 752 } 753 754 /** Invalid stack ID. */ 755 public static final int INVALID_STACK_ID = -1; 756 757 } 758 759 /** 760 * Parameter to {@link android.app.IActivityManager#setTaskWindowingModeSplitScreenPrimary} 761 * which specifies the position of the created docked stack at the top half of the screen if 762 * in portrait mode or at the left half of the screen if in landscape mode. 763 * @hide 764 */ 765 @TestApi 766 public static final int SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT = 0; 767 768 /** 769 * Parameter to {@link android.app.IActivityManager#setTaskWindowingModeSplitScreenPrimary} 770 * which 771 * specifies the position of the created docked stack at the bottom half of the screen if 772 * in portrait mode or at the right half of the screen if in landscape mode. 773 * @hide 774 */ 775 @TestApi 776 public static final int SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT = 1; 777 778 /** 779 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 780 * that the resize doesn't need to preserve the window, and can be skipped if bounds 781 * is unchanged. This mode is used by window manager in most cases. 782 * @hide 783 */ 784 public static final int RESIZE_MODE_SYSTEM = 0; 785 786 /** 787 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 788 * that the resize should preserve the window if possible. 789 * @hide 790 */ 791 public static final int RESIZE_MODE_PRESERVE_WINDOW = (0x1 << 0); 792 793 /** 794 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 795 * that the resize should be performed even if the bounds appears unchanged. 796 * @hide 797 */ 798 public static final int RESIZE_MODE_FORCED = (0x1 << 1); 799 800 /** 801 * Input parameter to {@link android.app.IActivityManager#resizeTask} used by window 802 * manager during a screen rotation. 803 * @hide 804 */ 805 public static final int RESIZE_MODE_SYSTEM_SCREEN_ROTATION = RESIZE_MODE_PRESERVE_WINDOW; 806 807 /** 808 * Input parameter to {@link android.app.IActivityManager#resizeTask} used when the 809 * resize is due to a drag action. 810 * @hide 811 */ 812 public static final int RESIZE_MODE_USER = RESIZE_MODE_PRESERVE_WINDOW; 813 814 /** 815 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 816 * that the resize should preserve the window if possible, and should not be skipped 817 * even if the bounds is unchanged. Usually used to force a resizing when a drag action 818 * is ending. 819 * @hide 820 */ 821 public static final int RESIZE_MODE_USER_FORCED = 822 RESIZE_MODE_PRESERVE_WINDOW | RESIZE_MODE_FORCED; 823 824 /** @hide */ 825 public int getFrontActivityScreenCompatMode() { 826 try { 827 return getService().getFrontActivityScreenCompatMode(); 828 } catch (RemoteException e) { 829 throw e.rethrowFromSystemServer(); 830 } 831 } 832 833 /** @hide */ 834 public void setFrontActivityScreenCompatMode(int mode) { 835 try { 836 getService().setFrontActivityScreenCompatMode(mode); 837 } catch (RemoteException e) { 838 throw e.rethrowFromSystemServer(); 839 } 840 } 841 842 /** @hide */ 843 public int getPackageScreenCompatMode(String packageName) { 844 try { 845 return getService().getPackageScreenCompatMode(packageName); 846 } catch (RemoteException e) { 847 throw e.rethrowFromSystemServer(); 848 } 849 } 850 851 /** @hide */ 852 public void setPackageScreenCompatMode(String packageName, int mode) { 853 try { 854 getService().setPackageScreenCompatMode(packageName, mode); 855 } catch (RemoteException e) { 856 throw e.rethrowFromSystemServer(); 857 } 858 } 859 860 /** @hide */ 861 public boolean getPackageAskScreenCompat(String packageName) { 862 try { 863 return getService().getPackageAskScreenCompat(packageName); 864 } catch (RemoteException e) { 865 throw e.rethrowFromSystemServer(); 866 } 867 } 868 869 /** @hide */ 870 public void setPackageAskScreenCompat(String packageName, boolean ask) { 871 try { 872 getService().setPackageAskScreenCompat(packageName, ask); 873 } catch (RemoteException e) { 874 throw e.rethrowFromSystemServer(); 875 } 876 } 877 878 /** 879 * Return the approximate per-application memory class of the current 880 * device. This gives you an idea of how hard a memory limit you should 881 * impose on your application to let the overall system work best. The 882 * returned value is in megabytes; the baseline Android memory class is 883 * 16 (which happens to be the Java heap limit of those devices); some 884 * devices with more memory may return 24 or even higher numbers. 885 */ 886 public int getMemoryClass() { 887 return staticGetMemoryClass(); 888 } 889 890 /** @hide */ 891 static public int staticGetMemoryClass() { 892 // Really brain dead right now -- just take this from the configured 893 // vm heap size, and assume it is in megabytes and thus ends with "m". 894 String vmHeapSize = SystemProperties.get("dalvik.vm.heapgrowthlimit", ""); 895 if (vmHeapSize != null && !"".equals(vmHeapSize)) { 896 return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); 897 } 898 return staticGetLargeMemoryClass(); 899 } 900 901 /** 902 * Return the approximate per-application memory class of the current 903 * device when an application is running with a large heap. This is the 904 * space available for memory-intensive applications; most applications 905 * should not need this amount of memory, and should instead stay with the 906 * {@link #getMemoryClass()} limit. The returned value is in megabytes. 907 * This may be the same size as {@link #getMemoryClass()} on memory 908 * constrained devices, or it may be significantly larger on devices with 909 * a large amount of available RAM. 910 * 911 * <p>This is the size of the application's Dalvik heap if it has 912 * specified <code>android:largeHeap="true"</code> in its manifest. 913 */ 914 public int getLargeMemoryClass() { 915 return staticGetLargeMemoryClass(); 916 } 917 918 /** @hide */ 919 static public int staticGetLargeMemoryClass() { 920 // Really brain dead right now -- just take this from the configured 921 // vm heap size, and assume it is in megabytes and thus ends with "m". 922 String vmHeapSize = SystemProperties.get("dalvik.vm.heapsize", "16m"); 923 return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length() - 1)); 924 } 925 926 /** 927 * Returns true if this is a low-RAM device. Exactly whether a device is low-RAM 928 * is ultimately up to the device configuration, but currently it generally means 929 * something with 1GB or less of RAM. This is mostly intended to be used by apps 930 * to determine whether they should turn off certain features that require more RAM. 931 */ 932 public boolean isLowRamDevice() { 933 return isLowRamDeviceStatic(); 934 } 935 936 /** @hide */ 937 public static boolean isLowRamDeviceStatic() { 938 return RoSystemProperties.CONFIG_LOW_RAM || 939 (Build.IS_DEBUGGABLE && DEVELOPMENT_FORCE_LOW_RAM); 940 } 941 942 /** 943 * Returns true if this is a small battery device. Exactly whether a device is considered to be 944 * small battery is ultimately up to the device configuration, but currently it generally means 945 * something in the class of a device with 1000 mAh or less. This is mostly intended to be used 946 * to determine whether certain features should be altered to account for a drastically smaller 947 * battery. 948 * @hide 949 */ 950 public static boolean isSmallBatteryDevice() { 951 return RoSystemProperties.CONFIG_SMALL_BATTERY; 952 } 953 954 /** 955 * Used by persistent processes to determine if they are running on a 956 * higher-end device so should be okay using hardware drawing acceleration 957 * (which tends to consume a lot more RAM). 958 * @hide 959 */ 960 static public boolean isHighEndGfx() { 961 return !isLowRamDeviceStatic() && 962 !Resources.getSystem().getBoolean(com.android.internal.R.bool.config_avoidGfxAccel); 963 } 964 965 /** 966 * Return the maximum number of recents entries that we will maintain and show. 967 * @hide 968 */ 969 static public int getMaxRecentTasksStatic() { 970 if (gMaxRecentTasks < 0) { 971 return gMaxRecentTasks = isLowRamDeviceStatic() ? 36 : 48; 972 } 973 return gMaxRecentTasks; 974 } 975 976 /** 977 * Return the default limit on the number of recents that an app can make. 978 * @hide 979 */ 980 static public int getDefaultAppRecentsLimitStatic() { 981 return getMaxRecentTasksStatic() / 6; 982 } 983 984 /** 985 * Return the maximum limit on the number of recents that an app can make. 986 * @hide 987 */ 988 static public int getMaxAppRecentsLimitStatic() { 989 return getMaxRecentTasksStatic() / 2; 990 } 991 992 /** 993 * Returns true if the system supports at least one form of multi-window. 994 * E.g. freeform, split-screen, picture-in-picture. 995 * @hide 996 */ 997 @TestApi 998 static public boolean supportsMultiWindow(Context context) { 999 // On watches, multi-window is used to present essential system UI, and thus it must be 1000 // supported regardless of device memory characteristics. 1001 boolean isWatch = context.getPackageManager().hasSystemFeature( 1002 PackageManager.FEATURE_WATCH); 1003 return (!isLowRamDeviceStatic() || isWatch) 1004 && Resources.getSystem().getBoolean( 1005 com.android.internal.R.bool.config_supportsMultiWindow); 1006 } 1007 1008 /** 1009 * Returns true if the system supports split screen multi-window. 1010 * @hide 1011 */ 1012 @TestApi 1013 static public boolean supportsSplitScreenMultiWindow(Context context) { 1014 return supportsMultiWindow(context) 1015 && Resources.getSystem().getBoolean( 1016 com.android.internal.R.bool.config_supportsSplitScreenMultiWindow); 1017 } 1018 1019 /** @removed */ 1020 @Deprecated 1021 public static int getMaxNumPictureInPictureActions() { 1022 return 3; 1023 } 1024 1025 /** 1026 * Information you can set and retrieve about the current activity within the recent task list. 1027 */ 1028 public static class TaskDescription implements Parcelable { 1029 /** @hide */ 1030 public static final String ATTR_TASKDESCRIPTION_PREFIX = "task_description_"; 1031 private static final String ATTR_TASKDESCRIPTIONLABEL = 1032 ATTR_TASKDESCRIPTION_PREFIX + "label"; 1033 private static final String ATTR_TASKDESCRIPTIONCOLOR_PRIMARY = 1034 ATTR_TASKDESCRIPTION_PREFIX + "color"; 1035 private static final String ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND = 1036 ATTR_TASKDESCRIPTION_PREFIX + "colorBackground"; 1037 private static final String ATTR_TASKDESCRIPTIONICON_FILENAME = 1038 ATTR_TASKDESCRIPTION_PREFIX + "icon_filename"; 1039 private static final String ATTR_TASKDESCRIPTIONICON_RESOURCE = 1040 ATTR_TASKDESCRIPTION_PREFIX + "icon_resource"; 1041 1042 private String mLabel; 1043 private Bitmap mIcon; 1044 private int mIconRes; 1045 private String mIconFilename; 1046 private int mColorPrimary; 1047 private int mColorBackground; 1048 private int mStatusBarColor; 1049 private int mNavigationBarColor; 1050 1051 /** 1052 * Creates the TaskDescription to the specified values. 1053 * 1054 * @param label A label and description of the current state of this task. 1055 * @param icon An icon that represents the current state of this task. 1056 * @param colorPrimary A color to override the theme's primary color. This color must be 1057 * opaque. 1058 * @deprecated use TaskDescription constructor with icon resource instead 1059 */ 1060 @Deprecated 1061 public TaskDescription(String label, Bitmap icon, int colorPrimary) { 1062 this(label, icon, 0, null, colorPrimary, 0, 0, 0); 1063 if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) { 1064 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1065 } 1066 } 1067 1068 /** 1069 * Creates the TaskDescription to the specified values. 1070 * 1071 * @param label A label and description of the current state of this task. 1072 * @param iconRes A drawable resource of an icon that represents the current state of this 1073 * activity. 1074 * @param colorPrimary A color to override the theme's primary color. This color must be 1075 * opaque. 1076 */ 1077 public TaskDescription(String label, @DrawableRes int iconRes, int colorPrimary) { 1078 this(label, null, iconRes, null, colorPrimary, 0, 0, 0); 1079 if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) { 1080 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1081 } 1082 } 1083 1084 /** 1085 * Creates the TaskDescription to the specified values. 1086 * 1087 * @param label A label and description of the current state of this activity. 1088 * @param icon An icon that represents the current state of this activity. 1089 * @deprecated use TaskDescription constructor with icon resource instead 1090 */ 1091 @Deprecated 1092 public TaskDescription(String label, Bitmap icon) { 1093 this(label, icon, 0, null, 0, 0, 0, 0); 1094 } 1095 1096 /** 1097 * Creates the TaskDescription to the specified values. 1098 * 1099 * @param label A label and description of the current state of this activity. 1100 * @param iconRes A drawable resource of an icon that represents the current state of this 1101 * activity. 1102 */ 1103 public TaskDescription(String label, @DrawableRes int iconRes) { 1104 this(label, null, iconRes, null, 0, 0, 0, 0); 1105 } 1106 1107 /** 1108 * Creates the TaskDescription to the specified values. 1109 * 1110 * @param label A label and description of the current state of this activity. 1111 */ 1112 public TaskDescription(String label) { 1113 this(label, null, 0, null, 0, 0, 0, 0); 1114 } 1115 1116 /** 1117 * Creates an empty TaskDescription. 1118 */ 1119 public TaskDescription() { 1120 this(null, null, 0, null, 0, 0, 0, 0); 1121 } 1122 1123 /** @hide */ 1124 public TaskDescription(String label, Bitmap bitmap, int iconRes, String iconFilename, 1125 int colorPrimary, int colorBackground, int statusBarColor, int navigationBarColor) { 1126 mLabel = label; 1127 mIcon = bitmap; 1128 mIconRes = iconRes; 1129 mIconFilename = iconFilename; 1130 mColorPrimary = colorPrimary; 1131 mColorBackground = colorBackground; 1132 mStatusBarColor = statusBarColor; 1133 mNavigationBarColor = navigationBarColor; 1134 } 1135 1136 /** 1137 * Creates a copy of another TaskDescription. 1138 */ 1139 public TaskDescription(TaskDescription td) { 1140 copyFrom(td); 1141 } 1142 1143 /** 1144 * Copies this the values from another TaskDescription. 1145 * @hide 1146 */ 1147 public void copyFrom(TaskDescription other) { 1148 mLabel = other.mLabel; 1149 mIcon = other.mIcon; 1150 mIconRes = other.mIconRes; 1151 mIconFilename = other.mIconFilename; 1152 mColorPrimary = other.mColorPrimary; 1153 mColorBackground = other.mColorBackground; 1154 mStatusBarColor = other.mStatusBarColor; 1155 mNavigationBarColor = other.mNavigationBarColor; 1156 } 1157 1158 /** 1159 * Copies this the values from another TaskDescription, but preserves the hidden fields 1160 * if they weren't set on {@code other} 1161 * @hide 1162 */ 1163 public void copyFromPreserveHiddenFields(TaskDescription other) { 1164 mLabel = other.mLabel; 1165 mIcon = other.mIcon; 1166 mIconRes = other.mIconRes; 1167 mIconFilename = other.mIconFilename; 1168 mColorPrimary = other.mColorPrimary; 1169 if (other.mColorBackground != 0) { 1170 mColorBackground = other.mColorBackground; 1171 } 1172 if (other.mStatusBarColor != 0) { 1173 mStatusBarColor = other.mStatusBarColor; 1174 } 1175 if (other.mNavigationBarColor != 0) { 1176 mNavigationBarColor = other.mNavigationBarColor; 1177 } 1178 } 1179 1180 private TaskDescription(Parcel source) { 1181 readFromParcel(source); 1182 } 1183 1184 /** 1185 * Sets the label for this task description. 1186 * @hide 1187 */ 1188 public void setLabel(String label) { 1189 mLabel = label; 1190 } 1191 1192 /** 1193 * Sets the primary color for this task description. 1194 * @hide 1195 */ 1196 public void setPrimaryColor(int primaryColor) { 1197 // Ensure that the given color is valid 1198 if ((primaryColor != 0) && (Color.alpha(primaryColor) != 255)) { 1199 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1200 } 1201 mColorPrimary = primaryColor; 1202 } 1203 1204 /** 1205 * Sets the background color for this task description. 1206 * @hide 1207 */ 1208 public void setBackgroundColor(int backgroundColor) { 1209 // Ensure that the given color is valid 1210 if ((backgroundColor != 0) && (Color.alpha(backgroundColor) != 255)) { 1211 throw new RuntimeException("A TaskDescription's background color should be opaque"); 1212 } 1213 mColorBackground = backgroundColor; 1214 } 1215 1216 /** 1217 * @hide 1218 */ 1219 public void setStatusBarColor(int statusBarColor) { 1220 mStatusBarColor = statusBarColor; 1221 } 1222 1223 /** 1224 * @hide 1225 */ 1226 public void setNavigationBarColor(int navigationBarColor) { 1227 mNavigationBarColor = navigationBarColor; 1228 } 1229 1230 /** 1231 * Sets the icon for this task description. 1232 * @hide 1233 */ 1234 public void setIcon(Bitmap icon) { 1235 mIcon = icon; 1236 } 1237 1238 /** 1239 * Sets the icon resource for this task description. 1240 * @hide 1241 */ 1242 public void setIcon(int iconRes) { 1243 mIconRes = iconRes; 1244 } 1245 1246 /** 1247 * Moves the icon bitmap reference from an actual Bitmap to a file containing the 1248 * bitmap. 1249 * @hide 1250 */ 1251 public void setIconFilename(String iconFilename) { 1252 mIconFilename = iconFilename; 1253 mIcon = null; 1254 } 1255 1256 /** 1257 * @return The label and description of the current state of this task. 1258 */ 1259 public String getLabel() { 1260 return mLabel; 1261 } 1262 1263 /** 1264 * @return The icon that represents the current state of this task. 1265 */ 1266 public Bitmap getIcon() { 1267 if (mIcon != null) { 1268 return mIcon; 1269 } 1270 return loadTaskDescriptionIcon(mIconFilename, UserHandle.myUserId()); 1271 } 1272 1273 /** @hide */ 1274 @TestApi 1275 public int getIconResource() { 1276 return mIconRes; 1277 } 1278 1279 /** @hide */ 1280 @TestApi 1281 public String getIconFilename() { 1282 return mIconFilename; 1283 } 1284 1285 /** @hide */ 1286 public Bitmap getInMemoryIcon() { 1287 return mIcon; 1288 } 1289 1290 /** @hide */ 1291 public static Bitmap loadTaskDescriptionIcon(String iconFilename, int userId) { 1292 if (iconFilename != null) { 1293 try { 1294 return getService().getTaskDescriptionIcon(iconFilename, 1295 userId); 1296 } catch (RemoteException e) { 1297 throw e.rethrowFromSystemServer(); 1298 } 1299 } 1300 return null; 1301 } 1302 1303 /** 1304 * @return The color override on the theme's primary color. 1305 */ 1306 public int getPrimaryColor() { 1307 return mColorPrimary; 1308 } 1309 1310 /** 1311 * @return The background color. 1312 * @hide 1313 */ 1314 public int getBackgroundColor() { 1315 return mColorBackground; 1316 } 1317 1318 /** 1319 * @hide 1320 */ 1321 public int getStatusBarColor() { 1322 return mStatusBarColor; 1323 } 1324 1325 /** 1326 * @hide 1327 */ 1328 public int getNavigationBarColor() { 1329 return mNavigationBarColor; 1330 } 1331 1332 /** @hide */ 1333 public void saveToXml(XmlSerializer out) throws IOException { 1334 if (mLabel != null) { 1335 out.attribute(null, ATTR_TASKDESCRIPTIONLABEL, mLabel); 1336 } 1337 if (mColorPrimary != 0) { 1338 out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_PRIMARY, 1339 Integer.toHexString(mColorPrimary)); 1340 } 1341 if (mColorBackground != 0) { 1342 out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND, 1343 Integer.toHexString(mColorBackground)); 1344 } 1345 if (mIconFilename != null) { 1346 out.attribute(null, ATTR_TASKDESCRIPTIONICON_FILENAME, mIconFilename); 1347 } 1348 if (mIconRes != 0) { 1349 out.attribute(null, ATTR_TASKDESCRIPTIONICON_RESOURCE, Integer.toString(mIconRes)); 1350 } 1351 } 1352 1353 /** @hide */ 1354 public void restoreFromXml(String attrName, String attrValue) { 1355 if (ATTR_TASKDESCRIPTIONLABEL.equals(attrName)) { 1356 setLabel(attrValue); 1357 } else if (ATTR_TASKDESCRIPTIONCOLOR_PRIMARY.equals(attrName)) { 1358 setPrimaryColor((int) Long.parseLong(attrValue, 16)); 1359 } else if (ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND.equals(attrName)) { 1360 setBackgroundColor((int) Long.parseLong(attrValue, 16)); 1361 } else if (ATTR_TASKDESCRIPTIONICON_FILENAME.equals(attrName)) { 1362 setIconFilename(attrValue); 1363 } else if (ATTR_TASKDESCRIPTIONICON_RESOURCE.equals(attrName)) { 1364 setIcon(Integer.parseInt(attrValue, 10)); 1365 } 1366 } 1367 1368 @Override 1369 public int describeContents() { 1370 return 0; 1371 } 1372 1373 @Override 1374 public void writeToParcel(Parcel dest, int flags) { 1375 if (mLabel == null) { 1376 dest.writeInt(0); 1377 } else { 1378 dest.writeInt(1); 1379 dest.writeString(mLabel); 1380 } 1381 if (mIcon == null) { 1382 dest.writeInt(0); 1383 } else { 1384 dest.writeInt(1); 1385 mIcon.writeToParcel(dest, 0); 1386 } 1387 dest.writeInt(mIconRes); 1388 dest.writeInt(mColorPrimary); 1389 dest.writeInt(mColorBackground); 1390 dest.writeInt(mStatusBarColor); 1391 dest.writeInt(mNavigationBarColor); 1392 if (mIconFilename == null) { 1393 dest.writeInt(0); 1394 } else { 1395 dest.writeInt(1); 1396 dest.writeString(mIconFilename); 1397 } 1398 } 1399 1400 public void readFromParcel(Parcel source) { 1401 mLabel = source.readInt() > 0 ? source.readString() : null; 1402 mIcon = source.readInt() > 0 ? Bitmap.CREATOR.createFromParcel(source) : null; 1403 mIconRes = source.readInt(); 1404 mColorPrimary = source.readInt(); 1405 mColorBackground = source.readInt(); 1406 mStatusBarColor = source.readInt(); 1407 mNavigationBarColor = source.readInt(); 1408 mIconFilename = source.readInt() > 0 ? source.readString() : null; 1409 } 1410 1411 public static final Creator<TaskDescription> CREATOR 1412 = new Creator<TaskDescription>() { 1413 public TaskDescription createFromParcel(Parcel source) { 1414 return new TaskDescription(source); 1415 } 1416 public TaskDescription[] newArray(int size) { 1417 return new TaskDescription[size]; 1418 } 1419 }; 1420 1421 @Override 1422 public String toString() { 1423 return "TaskDescription Label: " + mLabel + " Icon: " + mIcon + 1424 " IconRes: " + mIconRes + " IconFilename: " + mIconFilename + 1425 " colorPrimary: " + mColorPrimary + " colorBackground: " + mColorBackground + 1426 " statusBarColor: " + mColorBackground + 1427 " navigationBarColor: " + mNavigationBarColor; 1428 } 1429 } 1430 1431 /** 1432 * Information you can retrieve about tasks that the user has most recently 1433 * started or visited. 1434 */ 1435 public static class RecentTaskInfo implements Parcelable { 1436 /** 1437 * If this task is currently running, this is the identifier for it. 1438 * If it is not running, this will be -1. 1439 */ 1440 public int id; 1441 1442 /** 1443 * The true identifier of this task, valid even if it is not running. 1444 */ 1445 public int persistentId; 1446 1447 /** 1448 * The original Intent used to launch the task. You can use this 1449 * Intent to re-launch the task (if it is no longer running) or bring 1450 * the current task to the front. 1451 */ 1452 public Intent baseIntent; 1453 1454 /** 1455 * If this task was started from an alias, this is the actual 1456 * activity component that was initially started; the component of 1457 * the baseIntent in this case is the name of the actual activity 1458 * implementation that the alias referred to. Otherwise, this is null. 1459 */ 1460 public ComponentName origActivity; 1461 1462 /** 1463 * The actual activity component that started the task. 1464 * @hide 1465 */ 1466 @Nullable 1467 public ComponentName realActivity; 1468 1469 /** 1470 * Description of the task's last state. 1471 */ 1472 public CharSequence description; 1473 1474 /** 1475 * The id of the ActivityStack this Task was on most recently. 1476 * @hide 1477 */ 1478 public int stackId; 1479 1480 /** 1481 * The id of the user the task was running as. 1482 * @hide 1483 */ 1484 public int userId; 1485 1486 /** 1487 * The first time this task was active. 1488 * @hide 1489 */ 1490 public long firstActiveTime; 1491 1492 /** 1493 * The last time this task was active. 1494 * @hide 1495 */ 1496 public long lastActiveTime; 1497 1498 /** 1499 * The recent activity values for the highest activity in the stack to have set the values. 1500 * {@link Activity#setTaskDescription(android.app.ActivityManager.TaskDescription)}. 1501 */ 1502 public TaskDescription taskDescription; 1503 1504 /** 1505 * Task affiliation for grouping with other tasks. 1506 */ 1507 public int affiliatedTaskId; 1508 1509 /** 1510 * Task affiliation color of the source task with the affiliated task id. 1511 * 1512 * @hide 1513 */ 1514 public int affiliatedTaskColor; 1515 1516 /** 1517 * The component launched as the first activity in the task. 1518 * This can be considered the "application" of this task. 1519 */ 1520 public ComponentName baseActivity; 1521 1522 /** 1523 * The activity component at the top of the history stack of the task. 1524 * This is what the user is currently doing. 1525 */ 1526 public ComponentName topActivity; 1527 1528 /** 1529 * Number of activities in this task. 1530 */ 1531 public int numActivities; 1532 1533 /** 1534 * The bounds of the task. 1535 * @hide 1536 */ 1537 public Rect bounds; 1538 1539 /** 1540 * True if the task can go in the docked stack. 1541 * @hide 1542 */ 1543 public boolean supportsSplitScreenMultiWindow; 1544 1545 /** 1546 * The resize mode of the task. See {@link ActivityInfo#resizeMode}. 1547 * @hide 1548 */ 1549 public int resizeMode; 1550 1551 /** 1552 * The current configuration this task is in. 1553 * @hide 1554 */ 1555 final public Configuration configuration = new Configuration(); 1556 1557 public RecentTaskInfo() { 1558 } 1559 1560 @Override 1561 public int describeContents() { 1562 return 0; 1563 } 1564 1565 @Override 1566 public void writeToParcel(Parcel dest, int flags) { 1567 dest.writeInt(id); 1568 dest.writeInt(persistentId); 1569 if (baseIntent != null) { 1570 dest.writeInt(1); 1571 baseIntent.writeToParcel(dest, 0); 1572 } else { 1573 dest.writeInt(0); 1574 } 1575 ComponentName.writeToParcel(origActivity, dest); 1576 ComponentName.writeToParcel(realActivity, dest); 1577 TextUtils.writeToParcel(description, dest, 1578 Parcelable.PARCELABLE_WRITE_RETURN_VALUE); 1579 if (taskDescription != null) { 1580 dest.writeInt(1); 1581 taskDescription.writeToParcel(dest, 0); 1582 } else { 1583 dest.writeInt(0); 1584 } 1585 dest.writeInt(stackId); 1586 dest.writeInt(userId); 1587 dest.writeLong(lastActiveTime); 1588 dest.writeInt(affiliatedTaskId); 1589 dest.writeInt(affiliatedTaskColor); 1590 ComponentName.writeToParcel(baseActivity, dest); 1591 ComponentName.writeToParcel(topActivity, dest); 1592 dest.writeInt(numActivities); 1593 if (bounds != null) { 1594 dest.writeInt(1); 1595 bounds.writeToParcel(dest, 0); 1596 } else { 1597 dest.writeInt(0); 1598 } 1599 dest.writeInt(supportsSplitScreenMultiWindow ? 1 : 0); 1600 dest.writeInt(resizeMode); 1601 configuration.writeToParcel(dest, flags); 1602 } 1603 1604 public void readFromParcel(Parcel source) { 1605 id = source.readInt(); 1606 persistentId = source.readInt(); 1607 baseIntent = source.readInt() > 0 ? Intent.CREATOR.createFromParcel(source) : null; 1608 origActivity = ComponentName.readFromParcel(source); 1609 realActivity = ComponentName.readFromParcel(source); 1610 description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 1611 taskDescription = source.readInt() > 0 ? 1612 TaskDescription.CREATOR.createFromParcel(source) : null; 1613 stackId = source.readInt(); 1614 userId = source.readInt(); 1615 lastActiveTime = source.readLong(); 1616 affiliatedTaskId = source.readInt(); 1617 affiliatedTaskColor = source.readInt(); 1618 baseActivity = ComponentName.readFromParcel(source); 1619 topActivity = ComponentName.readFromParcel(source); 1620 numActivities = source.readInt(); 1621 bounds = source.readInt() > 0 ? 1622 Rect.CREATOR.createFromParcel(source) : null; 1623 supportsSplitScreenMultiWindow = source.readInt() == 1; 1624 resizeMode = source.readInt(); 1625 configuration.readFromParcel(source); 1626 } 1627 1628 public static final Creator<RecentTaskInfo> CREATOR 1629 = new Creator<RecentTaskInfo>() { 1630 public RecentTaskInfo createFromParcel(Parcel source) { 1631 return new RecentTaskInfo(source); 1632 } 1633 public RecentTaskInfo[] newArray(int size) { 1634 return new RecentTaskInfo[size]; 1635 } 1636 }; 1637 1638 private RecentTaskInfo(Parcel source) { 1639 readFromParcel(source); 1640 } 1641 } 1642 1643 /** 1644 * Flag for use with {@link #getRecentTasks}: return all tasks, even those 1645 * that have set their 1646 * {@link android.content.Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag. 1647 */ 1648 public static final int RECENT_WITH_EXCLUDED = 0x0001; 1649 1650 /** 1651 * Provides a list that does not contain any 1652 * recent tasks that currently are not available to the user. 1653 */ 1654 public static final int RECENT_IGNORE_UNAVAILABLE = 0x0002; 1655 1656 /** 1657 * <p></p>Return a list of the tasks that the user has recently launched, with 1658 * the most recent being first and older ones after in order. 1659 * 1660 * <p><b>Note: this method is only intended for debugging and presenting 1661 * task management user interfaces</b>. This should never be used for 1662 * core logic in an application, such as deciding between different 1663 * behaviors based on the information found here. Such uses are 1664 * <em>not</em> supported, and will likely break in the future. For 1665 * example, if multiple applications can be actively running at the 1666 * same time, assumptions made about the meaning of the data here for 1667 * purposes of control flow will be incorrect.</p> 1668 * 1669 * @deprecated As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method is 1670 * no longer available to third party applications: the introduction of 1671 * document-centric recents means 1672 * it can leak personal information to the caller. For backwards compatibility, 1673 * it will still return a small subset of its data: at least the caller's 1674 * own tasks (though see {@link #getAppTasks()} for the correct supported 1675 * way to retrieve that information), and possibly some other tasks 1676 * such as home that are known to not be sensitive. 1677 * 1678 * @param maxNum The maximum number of entries to return in the list. The 1679 * actual number returned may be smaller, depending on how many tasks the 1680 * user has started and the maximum number the system can remember. 1681 * @param flags Information about what to return. May be any combination 1682 * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}. 1683 * 1684 * @return Returns a list of RecentTaskInfo records describing each of 1685 * the recent tasks. 1686 */ 1687 @Deprecated 1688 public List<RecentTaskInfo> getRecentTasks(int maxNum, int flags) 1689 throws SecurityException { 1690 try { 1691 if (maxNum < 0) { 1692 throw new IllegalArgumentException("The requested number of tasks should be >= 0"); 1693 } 1694 return getService().getRecentTasks(maxNum, flags, UserHandle.myUserId()).getList(); 1695 } catch (RemoteException e) { 1696 throw e.rethrowFromSystemServer(); 1697 } 1698 } 1699 1700 /** 1701 * Information you can retrieve about a particular task that is currently 1702 * "running" in the system. Note that a running task does not mean the 1703 * given task actually has a process it is actively running in; it simply 1704 * means that the user has gone to it and never closed it, but currently 1705 * the system may have killed its process and is only holding on to its 1706 * last state in order to restart it when the user returns. 1707 */ 1708 public static class RunningTaskInfo implements Parcelable { 1709 /** 1710 * A unique identifier for this task. 1711 */ 1712 public int id; 1713 1714 /** 1715 * The stack that currently contains this task. 1716 * @hide 1717 */ 1718 public int stackId; 1719 1720 /** 1721 * The component launched as the first activity in the task. This can 1722 * be considered the "application" of this task. 1723 */ 1724 public ComponentName baseActivity; 1725 1726 /** 1727 * The activity component at the top of the history stack of the task. 1728 * This is what the user is currently doing. 1729 */ 1730 public ComponentName topActivity; 1731 1732 /** 1733 * Thumbnail representation of the task's current state. Currently 1734 * always null. 1735 */ 1736 public Bitmap thumbnail; 1737 1738 /** 1739 * Description of the task's current state. 1740 */ 1741 public CharSequence description; 1742 1743 /** 1744 * Number of activities in this task. 1745 */ 1746 public int numActivities; 1747 1748 /** 1749 * Number of activities that are currently running (not stopped 1750 * and persisted) in this task. 1751 */ 1752 public int numRunning; 1753 1754 /** 1755 * Last time task was run. For sorting. 1756 * @hide 1757 */ 1758 public long lastActiveTime; 1759 1760 /** 1761 * True if the task can go in the docked stack. 1762 * @hide 1763 */ 1764 public boolean supportsSplitScreenMultiWindow; 1765 1766 /** 1767 * The resize mode of the task. See {@link ActivityInfo#resizeMode}. 1768 * @hide 1769 */ 1770 public int resizeMode; 1771 1772 /** 1773 * The full configuration the task is currently running in. 1774 * @hide 1775 */ 1776 final public Configuration configuration = new Configuration(); 1777 1778 public RunningTaskInfo() { 1779 } 1780 1781 public int describeContents() { 1782 return 0; 1783 } 1784 1785 public void writeToParcel(Parcel dest, int flags) { 1786 dest.writeInt(id); 1787 dest.writeInt(stackId); 1788 ComponentName.writeToParcel(baseActivity, dest); 1789 ComponentName.writeToParcel(topActivity, dest); 1790 if (thumbnail != null) { 1791 dest.writeInt(1); 1792 thumbnail.writeToParcel(dest, 0); 1793 } else { 1794 dest.writeInt(0); 1795 } 1796 TextUtils.writeToParcel(description, dest, 1797 Parcelable.PARCELABLE_WRITE_RETURN_VALUE); 1798 dest.writeInt(numActivities); 1799 dest.writeInt(numRunning); 1800 dest.writeInt(supportsSplitScreenMultiWindow ? 1 : 0); 1801 dest.writeInt(resizeMode); 1802 configuration.writeToParcel(dest, flags); 1803 } 1804 1805 public void readFromParcel(Parcel source) { 1806 id = source.readInt(); 1807 stackId = source.readInt(); 1808 baseActivity = ComponentName.readFromParcel(source); 1809 topActivity = ComponentName.readFromParcel(source); 1810 if (source.readInt() != 0) { 1811 thumbnail = Bitmap.CREATOR.createFromParcel(source); 1812 } else { 1813 thumbnail = null; 1814 } 1815 description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 1816 numActivities = source.readInt(); 1817 numRunning = source.readInt(); 1818 supportsSplitScreenMultiWindow = source.readInt() != 0; 1819 resizeMode = source.readInt(); 1820 configuration.readFromParcel(source); 1821 } 1822 1823 public static final Creator<RunningTaskInfo> CREATOR = new Creator<RunningTaskInfo>() { 1824 public RunningTaskInfo createFromParcel(Parcel source) { 1825 return new RunningTaskInfo(source); 1826 } 1827 public RunningTaskInfo[] newArray(int size) { 1828 return new RunningTaskInfo[size]; 1829 } 1830 }; 1831 1832 private RunningTaskInfo(Parcel source) { 1833 readFromParcel(source); 1834 } 1835 } 1836 1837 /** 1838 * Get the list of tasks associated with the calling application. 1839 * 1840 * @return The list of tasks associated with the application making this call. 1841 * @throws SecurityException 1842 */ 1843 public List<ActivityManager.AppTask> getAppTasks() { 1844 ArrayList<AppTask> tasks = new ArrayList<AppTask>(); 1845 List<IBinder> appTasks; 1846 try { 1847 appTasks = getService().getAppTasks(mContext.getPackageName()); 1848 } catch (RemoteException e) { 1849 throw e.rethrowFromSystemServer(); 1850 } 1851 int numAppTasks = appTasks.size(); 1852 for (int i = 0; i < numAppTasks; i++) { 1853 tasks.add(new AppTask(IAppTask.Stub.asInterface(appTasks.get(i)))); 1854 } 1855 return tasks; 1856 } 1857 1858 /** 1859 * Return the current design dimensions for {@link AppTask} thumbnails, for use 1860 * with {@link #addAppTask}. 1861 */ 1862 public Size getAppTaskThumbnailSize() { 1863 synchronized (this) { 1864 ensureAppTaskThumbnailSizeLocked(); 1865 return new Size(mAppTaskThumbnailSize.x, mAppTaskThumbnailSize.y); 1866 } 1867 } 1868 1869 private void ensureAppTaskThumbnailSizeLocked() { 1870 if (mAppTaskThumbnailSize == null) { 1871 try { 1872 mAppTaskThumbnailSize = getService().getAppTaskThumbnailSize(); 1873 } catch (RemoteException e) { 1874 throw e.rethrowFromSystemServer(); 1875 } 1876 } 1877 } 1878 1879 /** 1880 * Add a new {@link AppTask} for the calling application. This will create a new 1881 * recents entry that is added to the <b>end</b> of all existing recents. 1882 * 1883 * @param activity The activity that is adding the entry. This is used to help determine 1884 * the context that the new recents entry will be in. 1885 * @param intent The Intent that describes the recents entry. This is the same Intent that 1886 * you would have used to launch the activity for it. In generally you will want to set 1887 * both {@link Intent#FLAG_ACTIVITY_NEW_DOCUMENT} and 1888 * {@link Intent#FLAG_ACTIVITY_RETAIN_IN_RECENTS}; the latter is required since this recents 1889 * entry will exist without an activity, so it doesn't make sense to not retain it when 1890 * its activity disappears. The given Intent here also must have an explicit ComponentName 1891 * set on it. 1892 * @param description Optional additional description information. 1893 * @param thumbnail Thumbnail to use for the recents entry. Should be the size given by 1894 * {@link #getAppTaskThumbnailSize()}. If the bitmap is not that exact size, it will be 1895 * recreated in your process, probably in a way you don't like, before the recents entry 1896 * is added. 1897 * 1898 * @return Returns the task id of the newly added app task, or -1 if the add failed. The 1899 * most likely cause of failure is that there is no more room for more tasks for your app. 1900 */ 1901 public int addAppTask(@NonNull Activity activity, @NonNull Intent intent, 1902 @Nullable TaskDescription description, @NonNull Bitmap thumbnail) { 1903 Point size; 1904 synchronized (this) { 1905 ensureAppTaskThumbnailSizeLocked(); 1906 size = mAppTaskThumbnailSize; 1907 } 1908 final int tw = thumbnail.getWidth(); 1909 final int th = thumbnail.getHeight(); 1910 if (tw != size.x || th != size.y) { 1911 Bitmap bm = Bitmap.createBitmap(size.x, size.y, thumbnail.getConfig()); 1912 1913 // Use ScaleType.CENTER_CROP, except we leave the top edge at the top. 1914 float scale; 1915 float dx = 0, dy = 0; 1916 if (tw * size.x > size.y * th) { 1917 scale = (float) size.x / (float) th; 1918 dx = (size.y - tw * scale) * 0.5f; 1919 } else { 1920 scale = (float) size.y / (float) tw; 1921 dy = (size.x - th * scale) * 0.5f; 1922 } 1923 Matrix matrix = new Matrix(); 1924 matrix.setScale(scale, scale); 1925 matrix.postTranslate((int) (dx + 0.5f), 0); 1926 1927 Canvas canvas = new Canvas(bm); 1928 canvas.drawBitmap(thumbnail, matrix, null); 1929 canvas.setBitmap(null); 1930 1931 thumbnail = bm; 1932 } 1933 if (description == null) { 1934 description = new TaskDescription(); 1935 } 1936 try { 1937 return getService().addAppTask(activity.getActivityToken(), 1938 intent, description, thumbnail); 1939 } catch (RemoteException e) { 1940 throw e.rethrowFromSystemServer(); 1941 } 1942 } 1943 1944 /** 1945 * Return a list of the tasks that are currently running, with 1946 * the most recent being first and older ones after in order. Note that 1947 * "running" does not mean any of the task's code is currently loaded or 1948 * activity -- the task may have been frozen by the system, so that it 1949 * can be restarted in its previous state when next brought to the 1950 * foreground. 1951 * 1952 * <p><b>Note: this method is only intended for debugging and presenting 1953 * task management user interfaces</b>. This should never be used for 1954 * core logic in an application, such as deciding between different 1955 * behaviors based on the information found here. Such uses are 1956 * <em>not</em> supported, and will likely break in the future. For 1957 * example, if multiple applications can be actively running at the 1958 * same time, assumptions made about the meaning of the data here for 1959 * purposes of control flow will be incorrect.</p> 1960 * 1961 * @deprecated As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method 1962 * is no longer available to third party 1963 * applications: the introduction of document-centric recents means 1964 * it can leak person information to the caller. For backwards compatibility, 1965 * it will still return a small subset of its data: at least the caller's 1966 * own tasks, and possibly some other tasks 1967 * such as home that are known to not be sensitive. 1968 * 1969 * @param maxNum The maximum number of entries to return in the list. The 1970 * actual number returned may be smaller, depending on how many tasks the 1971 * user has started. 1972 * 1973 * @return Returns a list of RunningTaskInfo records describing each of 1974 * the running tasks. 1975 */ 1976 @Deprecated 1977 public List<RunningTaskInfo> getRunningTasks(int maxNum) 1978 throws SecurityException { 1979 try { 1980 return getService().getTasks(maxNum); 1981 } catch (RemoteException e) { 1982 throw e.rethrowFromSystemServer(); 1983 } 1984 } 1985 1986 /** 1987 * Sets the windowing mode for a specific task. Only works on tasks of type 1988 * {@link WindowConfiguration#ACTIVITY_TYPE_STANDARD} 1989 * @param taskId The id of the task to set the windowing mode for. 1990 * @param windowingMode The windowing mode to set for the task. 1991 * @param toTop If the task should be moved to the top once the windowing mode changes. 1992 * @hide 1993 */ 1994 @TestApi 1995 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 1996 public void setTaskWindowingMode(int taskId, int windowingMode, boolean toTop) 1997 throws SecurityException { 1998 try { 1999 getService().setTaskWindowingMode(taskId, windowingMode, toTop); 2000 } catch (RemoteException e) { 2001 throw e.rethrowFromSystemServer(); 2002 } 2003 } 2004 2005 /** 2006 * Moves the input task to the primary-split-screen stack. 2007 * @param taskId Id of task to move. 2008 * @param createMode The mode the primary split screen stack should be created in if it doesn't 2009 * exist already. See 2010 * {@link android.app.ActivityManager#SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT} 2011 * and 2012 * {@link android.app.ActivityManager 2013 * #SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT} 2014 * @param toTop If the task and stack should be moved to the top. 2015 * @param animate Whether we should play an animation for the moving the task 2016 * @param initialBounds If the primary stack gets created, it will use these bounds for the 2017 * docked stack. Pass {@code null} to use default bounds. 2018 * @param showRecents If the recents activity should be shown on the other side of the task 2019 * going into split-screen mode. 2020 * @hide 2021 */ 2022 @TestApi 2023 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2024 public void setTaskWindowingModeSplitScreenPrimary(int taskId, int createMode, boolean toTop, 2025 boolean animate, Rect initialBounds, boolean showRecents) throws SecurityException { 2026 try { 2027 getService().setTaskWindowingModeSplitScreenPrimary(taskId, createMode, toTop, animate, 2028 initialBounds, showRecents); 2029 } catch (RemoteException e) { 2030 throw e.rethrowFromSystemServer(); 2031 } 2032 } 2033 2034 /** 2035 * Resizes the input stack id to the given bounds. 2036 * @param stackId Id of the stack to resize. 2037 * @param bounds Bounds to resize the stack to or {@code null} for fullscreen. 2038 * @hide 2039 */ 2040 @TestApi 2041 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2042 public void resizeStack(int stackId, Rect bounds) throws SecurityException { 2043 try { 2044 getService().resizeStack(stackId, bounds, false /* allowResizeInDockedMode */, 2045 false /* preserveWindows */, false /* animate */, -1 /* animationDuration */); 2046 } catch (RemoteException e) { 2047 throw e.rethrowFromSystemServer(); 2048 } 2049 } 2050 2051 /** 2052 * Removes stacks in the windowing modes from the system if they are of activity type 2053 * ACTIVITY_TYPE_STANDARD or ACTIVITY_TYPE_UNDEFINED 2054 * 2055 * @hide 2056 */ 2057 @TestApi 2058 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2059 public void removeStacksInWindowingModes(int[] windowingModes) throws SecurityException { 2060 try { 2061 getService().removeStacksInWindowingModes(windowingModes); 2062 } catch (RemoteException e) { 2063 throw e.rethrowFromSystemServer(); 2064 } 2065 } 2066 2067 /** 2068 * Removes stack of the activity types from the system. 2069 * 2070 * @hide 2071 */ 2072 @TestApi 2073 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2074 public void removeStacksWithActivityTypes(int[] activityTypes) throws SecurityException { 2075 try { 2076 getService().removeStacksWithActivityTypes(activityTypes); 2077 } catch (RemoteException e) { 2078 throw e.rethrowFromSystemServer(); 2079 } 2080 } 2081 2082 /** 2083 * Represents a task snapshot. 2084 * @hide 2085 */ 2086 public static class TaskSnapshot implements Parcelable { 2087 2088 private final GraphicBuffer mSnapshot; 2089 private final int mOrientation; 2090 private final Rect mContentInsets; 2091 private final boolean mReducedResolution; 2092 private final float mScale; 2093 2094 public TaskSnapshot(GraphicBuffer snapshot, int orientation, Rect contentInsets, 2095 boolean reducedResolution, float scale) { 2096 mSnapshot = snapshot; 2097 mOrientation = orientation; 2098 mContentInsets = new Rect(contentInsets); 2099 mReducedResolution = reducedResolution; 2100 mScale = scale; 2101 } 2102 2103 private TaskSnapshot(Parcel source) { 2104 mSnapshot = source.readParcelable(null /* classLoader */); 2105 mOrientation = source.readInt(); 2106 mContentInsets = source.readParcelable(null /* classLoader */); 2107 mReducedResolution = source.readBoolean(); 2108 mScale = source.readFloat(); 2109 } 2110 2111 /** 2112 * @return The graphic buffer representing the screenshot. 2113 */ 2114 public GraphicBuffer getSnapshot() { 2115 return mSnapshot; 2116 } 2117 2118 /** 2119 * @return The screen orientation the screenshot was taken in. 2120 */ 2121 public int getOrientation() { 2122 return mOrientation; 2123 } 2124 2125 /** 2126 * @return The system/content insets on the snapshot. These can be clipped off in order to 2127 * remove any areas behind system bars in the snapshot. 2128 */ 2129 public Rect getContentInsets() { 2130 return mContentInsets; 2131 } 2132 2133 /** 2134 * @return Whether this snapshot is a down-sampled version of the full resolution. 2135 */ 2136 public boolean isReducedResolution() { 2137 return mReducedResolution; 2138 } 2139 2140 /** 2141 * @return The scale this snapshot was taken in. 2142 */ 2143 public float getScale() { 2144 return mScale; 2145 } 2146 2147 @Override 2148 public int describeContents() { 2149 return 0; 2150 } 2151 2152 @Override 2153 public void writeToParcel(Parcel dest, int flags) { 2154 dest.writeParcelable(mSnapshot, 0); 2155 dest.writeInt(mOrientation); 2156 dest.writeParcelable(mContentInsets, 0); 2157 dest.writeBoolean(mReducedResolution); 2158 dest.writeFloat(mScale); 2159 } 2160 2161 @Override 2162 public String toString() { 2163 return "TaskSnapshot{mSnapshot=" + mSnapshot + " mOrientation=" + mOrientation 2164 + " mContentInsets=" + mContentInsets.toShortString() 2165 + " mReducedResolution=" + mReducedResolution + " mScale=" + mScale; 2166 } 2167 2168 public static final Creator<TaskSnapshot> CREATOR = new Creator<TaskSnapshot>() { 2169 public TaskSnapshot createFromParcel(Parcel source) { 2170 return new TaskSnapshot(source); 2171 } 2172 public TaskSnapshot[] newArray(int size) { 2173 return new TaskSnapshot[size]; 2174 } 2175 }; 2176 } 2177 2178 /** @hide */ 2179 @IntDef(flag = true, prefix = { "MOVE_TASK_" }, value = { 2180 MOVE_TASK_WITH_HOME, 2181 MOVE_TASK_NO_USER_ACTION, 2182 }) 2183 @Retention(RetentionPolicy.SOURCE) 2184 public @interface MoveTaskFlags {} 2185 2186 /** 2187 * Flag for {@link #moveTaskToFront(int, int)}: also move the "home" 2188 * activity along with the task, so it is positioned immediately behind 2189 * the task. 2190 */ 2191 public static final int MOVE_TASK_WITH_HOME = 0x00000001; 2192 2193 /** 2194 * Flag for {@link #moveTaskToFront(int, int)}: don't count this as a 2195 * user-instigated action, so the current activity will not receive a 2196 * hint that the user is leaving. 2197 */ 2198 public static final int MOVE_TASK_NO_USER_ACTION = 0x00000002; 2199 2200 /** 2201 * Equivalent to calling {@link #moveTaskToFront(int, int, Bundle)} 2202 * with a null options argument. 2203 * 2204 * @param taskId The identifier of the task to be moved, as found in 2205 * {@link RunningTaskInfo} or {@link RecentTaskInfo}. 2206 * @param flags Additional operational flags. 2207 */ 2208 @RequiresPermission(android.Manifest.permission.REORDER_TASKS) 2209 public void moveTaskToFront(int taskId, @MoveTaskFlags int flags) { 2210 moveTaskToFront(taskId, flags, null); 2211 } 2212 2213 /** 2214 * Ask that the task associated with a given task ID be moved to the 2215 * front of the stack, so it is now visible to the user. 2216 * 2217 * @param taskId The identifier of the task to be moved, as found in 2218 * {@link RunningTaskInfo} or {@link RecentTaskInfo}. 2219 * @param flags Additional operational flags. 2220 * @param options Additional options for the operation, either null or 2221 * as per {@link Context#startActivity(Intent, android.os.Bundle) 2222 * Context.startActivity(Intent, Bundle)}. 2223 */ 2224 @RequiresPermission(android.Manifest.permission.REORDER_TASKS) 2225 public void moveTaskToFront(int taskId, @MoveTaskFlags int flags, Bundle options) { 2226 try { 2227 getService().moveTaskToFront(taskId, flags, options); 2228 } catch (RemoteException e) { 2229 throw e.rethrowFromSystemServer(); 2230 } 2231 } 2232 2233 /** 2234 * Information you can retrieve about a particular Service that is 2235 * currently running in the system. 2236 */ 2237 public static class RunningServiceInfo implements Parcelable { 2238 /** 2239 * The service component. 2240 */ 2241 public ComponentName service; 2242 2243 /** 2244 * If non-zero, this is the process the service is running in. 2245 */ 2246 public int pid; 2247 2248 /** 2249 * The UID that owns this service. 2250 */ 2251 public int uid; 2252 2253 /** 2254 * The name of the process this service runs in. 2255 */ 2256 public String process; 2257 2258 /** 2259 * Set to true if the service has asked to run as a foreground process. 2260 */ 2261 public boolean foreground; 2262 2263 /** 2264 * The time when the service was first made active, either by someone 2265 * starting or binding to it. This 2266 * is in units of {@link android.os.SystemClock#elapsedRealtime()}. 2267 */ 2268 public long activeSince; 2269 2270 /** 2271 * Set to true if this service has been explicitly started. 2272 */ 2273 public boolean started; 2274 2275 /** 2276 * Number of clients connected to the service. 2277 */ 2278 public int clientCount; 2279 2280 /** 2281 * Number of times the service's process has crashed while the service 2282 * is running. 2283 */ 2284 public int crashCount; 2285 2286 /** 2287 * The time when there was last activity in the service (either 2288 * explicit requests to start it or clients binding to it). This 2289 * is in units of {@link android.os.SystemClock#uptimeMillis()}. 2290 */ 2291 public long lastActivityTime; 2292 2293 /** 2294 * If non-zero, this service is not currently running, but scheduled to 2295 * restart at the given time. 2296 */ 2297 public long restarting; 2298 2299 /** 2300 * Bit for {@link #flags}: set if this service has been 2301 * explicitly started. 2302 */ 2303 public static final int FLAG_STARTED = 1<<0; 2304 2305 /** 2306 * Bit for {@link #flags}: set if the service has asked to 2307 * run as a foreground process. 2308 */ 2309 public static final int FLAG_FOREGROUND = 1<<1; 2310 2311 /** 2312 * Bit for {@link #flags}: set if the service is running in a 2313 * core system process. 2314 */ 2315 public static final int FLAG_SYSTEM_PROCESS = 1<<2; 2316 2317 /** 2318 * Bit for {@link #flags}: set if the service is running in a 2319 * persistent process. 2320 */ 2321 public static final int FLAG_PERSISTENT_PROCESS = 1<<3; 2322 2323 /** 2324 * Running flags. 2325 */ 2326 public int flags; 2327 2328 /** 2329 * For special services that are bound to by system code, this is 2330 * the package that holds the binding. 2331 */ 2332 public String clientPackage; 2333 2334 /** 2335 * For special services that are bound to by system code, this is 2336 * a string resource providing a user-visible label for who the 2337 * client is. 2338 */ 2339 public int clientLabel; 2340 2341 public RunningServiceInfo() { 2342 } 2343 2344 public int describeContents() { 2345 return 0; 2346 } 2347 2348 public void writeToParcel(Parcel dest, int flags) { 2349 ComponentName.writeToParcel(service, dest); 2350 dest.writeInt(pid); 2351 dest.writeInt(uid); 2352 dest.writeString(process); 2353 dest.writeInt(foreground ? 1 : 0); 2354 dest.writeLong(activeSince); 2355 dest.writeInt(started ? 1 : 0); 2356 dest.writeInt(clientCount); 2357 dest.writeInt(crashCount); 2358 dest.writeLong(lastActivityTime); 2359 dest.writeLong(restarting); 2360 dest.writeInt(this.flags); 2361 dest.writeString(clientPackage); 2362 dest.writeInt(clientLabel); 2363 } 2364 2365 public void readFromParcel(Parcel source) { 2366 service = ComponentName.readFromParcel(source); 2367 pid = source.readInt(); 2368 uid = source.readInt(); 2369 process = source.readString(); 2370 foreground = source.readInt() != 0; 2371 activeSince = source.readLong(); 2372 started = source.readInt() != 0; 2373 clientCount = source.readInt(); 2374 crashCount = source.readInt(); 2375 lastActivityTime = source.readLong(); 2376 restarting = source.readLong(); 2377 flags = source.readInt(); 2378 clientPackage = source.readString(); 2379 clientLabel = source.readInt(); 2380 } 2381 2382 public static final Creator<RunningServiceInfo> CREATOR = new Creator<RunningServiceInfo>() { 2383 public RunningServiceInfo createFromParcel(Parcel source) { 2384 return new RunningServiceInfo(source); 2385 } 2386 public RunningServiceInfo[] newArray(int size) { 2387 return new RunningServiceInfo[size]; 2388 } 2389 }; 2390 2391 private RunningServiceInfo(Parcel source) { 2392 readFromParcel(source); 2393 } 2394 } 2395 2396 /** 2397 * Return a list of the services that are currently running. 2398 * 2399 * <p><b>Note: this method is only intended for debugging or implementing 2400 * service management type user interfaces.</b></p> 2401 * 2402 * @deprecated As of {@link android.os.Build.VERSION_CODES#O}, this method 2403 * is no longer available to third party applications. For backwards compatibility, 2404 * it will still return the caller's own services. 2405 * 2406 * @param maxNum The maximum number of entries to return in the list. The 2407 * actual number returned may be smaller, depending on how many services 2408 * are running. 2409 * 2410 * @return Returns a list of RunningServiceInfo records describing each of 2411 * the running tasks. 2412 */ 2413 @Deprecated 2414 public List<RunningServiceInfo> getRunningServices(int maxNum) 2415 throws SecurityException { 2416 try { 2417 return getService() 2418 .getServices(maxNum, 0); 2419 } catch (RemoteException e) { 2420 throw e.rethrowFromSystemServer(); 2421 } 2422 } 2423 2424 /** 2425 * Returns a PendingIntent you can start to show a control panel for the 2426 * given running service. If the service does not have a control panel, 2427 * null is returned. 2428 */ 2429 public PendingIntent getRunningServiceControlPanel(ComponentName service) 2430 throws SecurityException { 2431 try { 2432 return getService() 2433 .getRunningServiceControlPanel(service); 2434 } catch (RemoteException e) { 2435 throw e.rethrowFromSystemServer(); 2436 } 2437 } 2438 2439 /** 2440 * Information you can retrieve about the available memory through 2441 * {@link ActivityManager#getMemoryInfo}. 2442 */ 2443 public static class MemoryInfo implements Parcelable { 2444 /** 2445 * The available memory on the system. This number should not 2446 * be considered absolute: due to the nature of the kernel, a significant 2447 * portion of this memory is actually in use and needed for the overall 2448 * system to run well. 2449 */ 2450 public long availMem; 2451 2452 /** 2453 * The total memory accessible by the kernel. This is basically the 2454 * RAM size of the device, not including below-kernel fixed allocations 2455 * like DMA buffers, RAM for the baseband CPU, etc. 2456 */ 2457 public long totalMem; 2458 2459 /** 2460 * The threshold of {@link #availMem} at which we consider memory to be 2461 * low and start killing background services and other non-extraneous 2462 * processes. 2463 */ 2464 public long threshold; 2465 2466 /** 2467 * Set to true if the system considers itself to currently be in a low 2468 * memory situation. 2469 */ 2470 public boolean lowMemory; 2471 2472 /** @hide */ 2473 public long hiddenAppThreshold; 2474 /** @hide */ 2475 public long secondaryServerThreshold; 2476 /** @hide */ 2477 public long visibleAppThreshold; 2478 /** @hide */ 2479 public long foregroundAppThreshold; 2480 2481 public MemoryInfo() { 2482 } 2483 2484 public int describeContents() { 2485 return 0; 2486 } 2487 2488 public void writeToParcel(Parcel dest, int flags) { 2489 dest.writeLong(availMem); 2490 dest.writeLong(totalMem); 2491 dest.writeLong(threshold); 2492 dest.writeInt(lowMemory ? 1 : 0); 2493 dest.writeLong(hiddenAppThreshold); 2494 dest.writeLong(secondaryServerThreshold); 2495 dest.writeLong(visibleAppThreshold); 2496 dest.writeLong(foregroundAppThreshold); 2497 } 2498 2499 public void readFromParcel(Parcel source) { 2500 availMem = source.readLong(); 2501 totalMem = source.readLong(); 2502 threshold = source.readLong(); 2503 lowMemory = source.readInt() != 0; 2504 hiddenAppThreshold = source.readLong(); 2505 secondaryServerThreshold = source.readLong(); 2506 visibleAppThreshold = source.readLong(); 2507 foregroundAppThreshold = source.readLong(); 2508 } 2509 2510 public static final Creator<MemoryInfo> CREATOR 2511 = new Creator<MemoryInfo>() { 2512 public MemoryInfo createFromParcel(Parcel source) { 2513 return new MemoryInfo(source); 2514 } 2515 public MemoryInfo[] newArray(int size) { 2516 return new MemoryInfo[size]; 2517 } 2518 }; 2519 2520 private MemoryInfo(Parcel source) { 2521 readFromParcel(source); 2522 } 2523 } 2524 2525 /** 2526 * Return general information about the memory state of the system. This 2527 * can be used to help decide how to manage your own memory, though note 2528 * that polling is not recommended and 2529 * {@link android.content.ComponentCallbacks2#onTrimMemory(int) 2530 * ComponentCallbacks2.onTrimMemory(int)} is the preferred way to do this. 2531 * Also see {@link #getMyMemoryState} for how to retrieve the current trim 2532 * level of your process as needed, which gives a better hint for how to 2533 * manage its memory. 2534 */ 2535 public void getMemoryInfo(MemoryInfo outInfo) { 2536 try { 2537 getService().getMemoryInfo(outInfo); 2538 } catch (RemoteException e) { 2539 throw e.rethrowFromSystemServer(); 2540 } 2541 } 2542 2543 /** 2544 * Information you can retrieve about an ActivityStack in the system. 2545 * @hide 2546 */ 2547 public static class StackInfo implements Parcelable { 2548 public int stackId; 2549 public Rect bounds = new Rect(); 2550 public int[] taskIds; 2551 public String[] taskNames; 2552 public Rect[] taskBounds; 2553 public int[] taskUserIds; 2554 public ComponentName topActivity; 2555 public int displayId; 2556 public int userId; 2557 public boolean visible; 2558 // Index of the stack in the display's stack list, can be used for comparison of stack order 2559 public int position; 2560 /** 2561 * The full configuration the stack is currently running in. 2562 * @hide 2563 */ 2564 final public Configuration configuration = new Configuration(); 2565 2566 @Override 2567 public int describeContents() { 2568 return 0; 2569 } 2570 2571 @Override 2572 public void writeToParcel(Parcel dest, int flags) { 2573 dest.writeInt(stackId); 2574 dest.writeInt(bounds.left); 2575 dest.writeInt(bounds.top); 2576 dest.writeInt(bounds.right); 2577 dest.writeInt(bounds.bottom); 2578 dest.writeIntArray(taskIds); 2579 dest.writeStringArray(taskNames); 2580 final int boundsCount = taskBounds == null ? 0 : taskBounds.length; 2581 dest.writeInt(boundsCount); 2582 for (int i = 0; i < boundsCount; i++) { 2583 dest.writeInt(taskBounds[i].left); 2584 dest.writeInt(taskBounds[i].top); 2585 dest.writeInt(taskBounds[i].right); 2586 dest.writeInt(taskBounds[i].bottom); 2587 } 2588 dest.writeIntArray(taskUserIds); 2589 dest.writeInt(displayId); 2590 dest.writeInt(userId); 2591 dest.writeInt(visible ? 1 : 0); 2592 dest.writeInt(position); 2593 if (topActivity != null) { 2594 dest.writeInt(1); 2595 topActivity.writeToParcel(dest, 0); 2596 } else { 2597 dest.writeInt(0); 2598 } 2599 configuration.writeToParcel(dest, flags); 2600 } 2601 2602 public void readFromParcel(Parcel source) { 2603 stackId = source.readInt(); 2604 bounds = new Rect( 2605 source.readInt(), source.readInt(), source.readInt(), source.readInt()); 2606 taskIds = source.createIntArray(); 2607 taskNames = source.createStringArray(); 2608 final int boundsCount = source.readInt(); 2609 if (boundsCount > 0) { 2610 taskBounds = new Rect[boundsCount]; 2611 for (int i = 0; i < boundsCount; i++) { 2612 taskBounds[i] = new Rect(); 2613 taskBounds[i].set( 2614 source.readInt(), source.readInt(), source.readInt(), source.readInt()); 2615 } 2616 } else { 2617 taskBounds = null; 2618 } 2619 taskUserIds = source.createIntArray(); 2620 displayId = source.readInt(); 2621 userId = source.readInt(); 2622 visible = source.readInt() > 0; 2623 position = source.readInt(); 2624 if (source.readInt() > 0) { 2625 topActivity = ComponentName.readFromParcel(source); 2626 } 2627 configuration.readFromParcel(source); 2628 } 2629 2630 public static final Creator<StackInfo> CREATOR = new Creator<StackInfo>() { 2631 @Override 2632 public StackInfo createFromParcel(Parcel source) { 2633 return new StackInfo(source); 2634 } 2635 @Override 2636 public StackInfo[] newArray(int size) { 2637 return new StackInfo[size]; 2638 } 2639 }; 2640 2641 public StackInfo() { 2642 } 2643 2644 private StackInfo(Parcel source) { 2645 readFromParcel(source); 2646 } 2647 2648 public String toString(String prefix) { 2649 StringBuilder sb = new StringBuilder(256); 2650 sb.append(prefix); sb.append("Stack id="); sb.append(stackId); 2651 sb.append(" bounds="); sb.append(bounds.toShortString()); 2652 sb.append(" displayId="); sb.append(displayId); 2653 sb.append(" userId="); sb.append(userId); 2654 sb.append("\n"); 2655 sb.append(" configuration="); sb.append(configuration); 2656 sb.append("\n"); 2657 prefix = prefix + " "; 2658 for (int i = 0; i < taskIds.length; ++i) { 2659 sb.append(prefix); sb.append("taskId="); sb.append(taskIds[i]); 2660 sb.append(": "); sb.append(taskNames[i]); 2661 if (taskBounds != null) { 2662 sb.append(" bounds="); sb.append(taskBounds[i].toShortString()); 2663 } 2664 sb.append(" userId=").append(taskUserIds[i]); 2665 sb.append(" visible=").append(visible); 2666 if (topActivity != null) { 2667 sb.append(" topActivity=").append(topActivity); 2668 } 2669 sb.append("\n"); 2670 } 2671 return sb.toString(); 2672 } 2673 2674 @Override 2675 public String toString() { 2676 return toString(""); 2677 } 2678 } 2679 2680 /** 2681 * @hide 2682 */ 2683 @RequiresPermission(anyOf={Manifest.permission.CLEAR_APP_USER_DATA, 2684 Manifest.permission.ACCESS_INSTANT_APPS}) 2685 public boolean clearApplicationUserData(String packageName, IPackageDataObserver observer) { 2686 try { 2687 return getService().clearApplicationUserData(packageName, false, 2688 observer, UserHandle.myUserId()); 2689 } catch (RemoteException e) { 2690 throw e.rethrowFromSystemServer(); 2691 } 2692 } 2693 2694 /** 2695 * Permits an application to erase its own data from disk. This is equivalent to 2696 * the user choosing to clear the app's data from within the device settings UI. It 2697 * erases all dynamic data associated with the app -- its private data and data in its 2698 * private area on external storage -- but does not remove the installed application 2699 * itself, nor any OBB files. It also revokes all runtime permissions that the app has acquired, 2700 * clears all notifications and removes all Uri grants related to this application. 2701 * 2702 * @return {@code true} if the application successfully requested that the application's 2703 * data be erased; {@code false} otherwise. 2704 */ 2705 public boolean clearApplicationUserData() { 2706 return clearApplicationUserData(mContext.getPackageName(), null); 2707 } 2708 2709 2710 /** 2711 * Permits an application to get the persistent URI permissions granted to another. 2712 * 2713 * <p>Typically called by Settings or DocumentsUI, requires 2714 * {@code GET_APP_GRANTED_URI_PERMISSIONS}. 2715 * 2716 * @param packageName application to look for the granted permissions, or {@code null} to get 2717 * granted permissions for all applications 2718 * @return list of granted URI permissions 2719 * 2720 * @hide 2721 */ 2722 public ParceledListSlice<GrantedUriPermission> getGrantedUriPermissions( 2723 @Nullable String packageName) { 2724 try { 2725 @SuppressWarnings("unchecked") 2726 final ParceledListSlice<GrantedUriPermission> castedList = getService() 2727 .getGrantedUriPermissions(packageName, UserHandle.myUserId()); 2728 return castedList; 2729 } catch (RemoteException e) { 2730 throw e.rethrowFromSystemServer(); 2731 } 2732 } 2733 2734 /** 2735 * Permits an application to clear the persistent URI permissions granted to another. 2736 * 2737 * <p>Typically called by Settings, requires {@code CLEAR_APP_GRANTED_URI_PERMISSIONS}. 2738 * 2739 * @param packageName application to clear its granted permissions 2740 * 2741 * @hide 2742 */ 2743 public void clearGrantedUriPermissions(String packageName) { 2744 try { 2745 getService().clearGrantedUriPermissions(packageName, 2746 UserHandle.myUserId()); 2747 } catch (RemoteException e) { 2748 throw e.rethrowFromSystemServer(); 2749 } 2750 } 2751 2752 /** 2753 * Information you can retrieve about any processes that are in an error condition. 2754 */ 2755 public static class ProcessErrorStateInfo implements Parcelable { 2756 /** 2757 * Condition codes 2758 */ 2759 public static final int NO_ERROR = 0; 2760 public static final int CRASHED = 1; 2761 public static final int NOT_RESPONDING = 2; 2762 2763 /** 2764 * The condition that the process is in. 2765 */ 2766 public int condition; 2767 2768 /** 2769 * The process name in which the crash or error occurred. 2770 */ 2771 public String processName; 2772 2773 /** 2774 * The pid of this process; 0 if none 2775 */ 2776 public int pid; 2777 2778 /** 2779 * The kernel user-ID that has been assigned to this process; 2780 * currently this is not a unique ID (multiple applications can have 2781 * the same uid). 2782 */ 2783 public int uid; 2784 2785 /** 2786 * The activity name associated with the error, if known. May be null. 2787 */ 2788 public String tag; 2789 2790 /** 2791 * A short message describing the error condition. 2792 */ 2793 public String shortMsg; 2794 2795 /** 2796 * A long message describing the error condition. 2797 */ 2798 public String longMsg; 2799 2800 /** 2801 * The stack trace where the error originated. May be null. 2802 */ 2803 public String stackTrace; 2804 2805 /** 2806 * to be deprecated: This value will always be null. 2807 */ 2808 public byte[] crashData = null; 2809 2810 public ProcessErrorStateInfo() { 2811 } 2812 2813 @Override 2814 public int describeContents() { 2815 return 0; 2816 } 2817 2818 @Override 2819 public void writeToParcel(Parcel dest, int flags) { 2820 dest.writeInt(condition); 2821 dest.writeString(processName); 2822 dest.writeInt(pid); 2823 dest.writeInt(uid); 2824 dest.writeString(tag); 2825 dest.writeString(shortMsg); 2826 dest.writeString(longMsg); 2827 dest.writeString(stackTrace); 2828 } 2829 2830 public void readFromParcel(Parcel source) { 2831 condition = source.readInt(); 2832 processName = source.readString(); 2833 pid = source.readInt(); 2834 uid = source.readInt(); 2835 tag = source.readString(); 2836 shortMsg = source.readString(); 2837 longMsg = source.readString(); 2838 stackTrace = source.readString(); 2839 } 2840 2841 public static final Creator<ProcessErrorStateInfo> CREATOR = 2842 new Creator<ProcessErrorStateInfo>() { 2843 public ProcessErrorStateInfo createFromParcel(Parcel source) { 2844 return new ProcessErrorStateInfo(source); 2845 } 2846 public ProcessErrorStateInfo[] newArray(int size) { 2847 return new ProcessErrorStateInfo[size]; 2848 } 2849 }; 2850 2851 private ProcessErrorStateInfo(Parcel source) { 2852 readFromParcel(source); 2853 } 2854 } 2855 2856 /** 2857 * Returns a list of any processes that are currently in an error condition. The result 2858 * will be null if all processes are running properly at this time. 2859 * 2860 * @return Returns a list of ProcessErrorStateInfo records, or null if there are no 2861 * current error conditions (it will not return an empty list). This list ordering is not 2862 * specified. 2863 */ 2864 public List<ProcessErrorStateInfo> getProcessesInErrorState() { 2865 try { 2866 return getService().getProcessesInErrorState(); 2867 } catch (RemoteException e) { 2868 throw e.rethrowFromSystemServer(); 2869 } 2870 } 2871 2872 /** 2873 * Information you can retrieve about a running process. 2874 */ 2875 public static class RunningAppProcessInfo implements Parcelable { 2876 /** 2877 * The name of the process that this object is associated with 2878 */ 2879 public String processName; 2880 2881 /** 2882 * The pid of this process; 0 if none 2883 */ 2884 public int pid; 2885 2886 /** 2887 * The user id of this process. 2888 */ 2889 public int uid; 2890 2891 /** 2892 * All packages that have been loaded into the process. 2893 */ 2894 public String pkgList[]; 2895 2896 /** 2897 * Constant for {@link #flags}: this is an app that is unable to 2898 * correctly save its state when going to the background, 2899 * so it can not be killed while in the background. 2900 * @hide 2901 */ 2902 public static final int FLAG_CANT_SAVE_STATE = 1<<0; 2903 2904 /** 2905 * Constant for {@link #flags}: this process is associated with a 2906 * persistent system app. 2907 * @hide 2908 */ 2909 public static final int FLAG_PERSISTENT = 1<<1; 2910 2911 /** 2912 * Constant for {@link #flags}: this process is associated with a 2913 * persistent system app. 2914 * @hide 2915 */ 2916 public static final int FLAG_HAS_ACTIVITIES = 1<<2; 2917 2918 /** 2919 * Flags of information. May be any of 2920 * {@link #FLAG_CANT_SAVE_STATE}. 2921 * @hide 2922 */ 2923 public int flags; 2924 2925 /** 2926 * Last memory trim level reported to the process: corresponds to 2927 * the values supplied to {@link android.content.ComponentCallbacks2#onTrimMemory(int) 2928 * ComponentCallbacks2.onTrimMemory(int)}. 2929 */ 2930 public int lastTrimLevel; 2931 2932 /** @hide */ 2933 @IntDef(prefix = { "IMPORTANCE_" }, value = { 2934 IMPORTANCE_FOREGROUND, 2935 IMPORTANCE_FOREGROUND_SERVICE, 2936 IMPORTANCE_TOP_SLEEPING, 2937 IMPORTANCE_VISIBLE, 2938 IMPORTANCE_PERCEPTIBLE, 2939 IMPORTANCE_CANT_SAVE_STATE, 2940 IMPORTANCE_SERVICE, 2941 IMPORTANCE_CACHED, 2942 IMPORTANCE_GONE, 2943 }) 2944 @Retention(RetentionPolicy.SOURCE) 2945 public @interface Importance {} 2946 2947 /** 2948 * Constant for {@link #importance}: This process is running the 2949 * foreground UI; that is, it is the thing currently at the top of the screen 2950 * that the user is interacting with. 2951 */ 2952 public static final int IMPORTANCE_FOREGROUND = 100; 2953 2954 /** 2955 * Constant for {@link #importance}: This process is running a foreground 2956 * service, for example to perform music playback even while the user is 2957 * not immediately in the app. This generally indicates that the process 2958 * is doing something the user actively cares about. 2959 */ 2960 public static final int IMPORTANCE_FOREGROUND_SERVICE = 125; 2961 2962 /** 2963 * @deprecated Pre-{@link android.os.Build.VERSION_CODES#P} version of 2964 * {@link #IMPORTANCE_TOP_SLEEPING}. As of Android 2965 * {@link android.os.Build.VERSION_CODES#P}, this is considered much less 2966 * important since we want to reduce what apps can do when the screen is off. 2967 */ 2968 @Deprecated 2969 public static final int IMPORTANCE_TOP_SLEEPING_PRE_28 = 150; 2970 2971 /** 2972 * Constant for {@link #importance}: This process is running something 2973 * that is actively visible to the user, though not in the immediate 2974 * foreground. This may be running a window that is behind the current 2975 * foreground (so paused and with its state saved, not interacting with 2976 * the user, but visible to them to some degree); it may also be running 2977 * other services under the system's control that it inconsiders important. 2978 */ 2979 public static final int IMPORTANCE_VISIBLE = 200; 2980 2981 /** 2982 * Constant for {@link #importance}: {@link #IMPORTANCE_PERCEPTIBLE} had this wrong value 2983 * before {@link Build.VERSION_CODES#O}. Since the {@link Build.VERSION_CODES#O} SDK, 2984 * the value of {@link #IMPORTANCE_PERCEPTIBLE} has been fixed. 2985 * 2986 * <p>The system will return this value instead of {@link #IMPORTANCE_PERCEPTIBLE} 2987 * on Android versions below {@link Build.VERSION_CODES#O}. 2988 * 2989 * <p>On Android version {@link Build.VERSION_CODES#O} and later, this value will still be 2990 * returned for apps with the target API level below {@link Build.VERSION_CODES#O}. 2991 * For apps targeting version {@link Build.VERSION_CODES#O} and later, 2992 * the correct value {@link #IMPORTANCE_PERCEPTIBLE} will be returned. 2993 */ 2994 public static final int IMPORTANCE_PERCEPTIBLE_PRE_26 = 130; 2995 2996 /** 2997 * Constant for {@link #importance}: This process is not something the user 2998 * is directly aware of, but is otherwise perceptible to them to some degree. 2999 */ 3000 public static final int IMPORTANCE_PERCEPTIBLE = 230; 3001 3002 /** 3003 * Constant for {@link #importance}: {@link #IMPORTANCE_CANT_SAVE_STATE} had 3004 * this wrong value 3005 * before {@link Build.VERSION_CODES#O}. Since the {@link Build.VERSION_CODES#O} SDK, 3006 * the value of {@link #IMPORTANCE_CANT_SAVE_STATE} has been fixed. 3007 * 3008 * <p>The system will return this value instead of {@link #IMPORTANCE_CANT_SAVE_STATE} 3009 * on Android versions below {@link Build.VERSION_CODES#O}. 3010 * 3011 * <p>On Android version {@link Build.VERSION_CODES#O} after, this value will still be 3012 * returned for apps with the target API level below {@link Build.VERSION_CODES#O}. 3013 * For apps targeting version {@link Build.VERSION_CODES#O} and later, 3014 * the correct value {@link #IMPORTANCE_CANT_SAVE_STATE} will be returned. 3015 * 3016 * @hide 3017 */ 3018 public static final int IMPORTANCE_CANT_SAVE_STATE_PRE_26 = 170; 3019 3020 /** 3021 * Constant for {@link #importance}: This process is contains services 3022 * that should remain running. These are background services apps have 3023 * started, not something the user is aware of, so they may be killed by 3024 * the system relatively freely (though it is generally desired that they 3025 * stay running as long as they want to). 3026 */ 3027 public static final int IMPORTANCE_SERVICE = 300; 3028 3029 /** 3030 * Constant for {@link #importance}: This process is running the foreground 3031 * UI, but the device is asleep so it is not visible to the user. Though the 3032 * system will try hard to keep its process from being killed, in all other 3033 * ways we consider it a kind of cached process, with the limitations that go 3034 * along with that state: network access, running background services, etc. 3035 */ 3036 public static final int IMPORTANCE_TOP_SLEEPING = 325; 3037 3038 /** 3039 * Constant for {@link #importance}: This process is running an 3040 * application that can not save its state, and thus can't be killed 3041 * while in the background. This will be used with apps that have 3042 * {@link android.R.attr#cantSaveState} set on their application tag. 3043 */ 3044 public static final int IMPORTANCE_CANT_SAVE_STATE = 350; 3045 3046 /** 3047 * Constant for {@link #importance}: This process process contains 3048 * cached code that is expendable, not actively running any app components 3049 * we care about. 3050 */ 3051 public static final int IMPORTANCE_CACHED = 400; 3052 3053 /** 3054 * @deprecated Renamed to {@link #IMPORTANCE_CACHED}. 3055 */ 3056 public static final int IMPORTANCE_BACKGROUND = IMPORTANCE_CACHED; 3057 3058 /** 3059 * Constant for {@link #importance}: This process is empty of any 3060 * actively running code. 3061 * @deprecated This value is no longer reported, use {@link #IMPORTANCE_CACHED} instead. 3062 */ 3063 @Deprecated 3064 public static final int IMPORTANCE_EMPTY = 500; 3065 3066 /** 3067 * Constant for {@link #importance}: This process does not exist. 3068 */ 3069 public static final int IMPORTANCE_GONE = 1000; 3070 3071 /** 3072 * Convert a proc state to the correspondent IMPORTANCE_* constant. If the return value 3073 * will be passed to a client, use {@link #procStateToImportanceForClient}. 3074 * @hide 3075 */ 3076 public static @Importance int procStateToImportance(int procState) { 3077 if (procState == PROCESS_STATE_NONEXISTENT) { 3078 return IMPORTANCE_GONE; 3079 } else if (procState >= PROCESS_STATE_HOME) { 3080 return IMPORTANCE_CACHED; 3081 } else if (procState == PROCESS_STATE_HEAVY_WEIGHT) { 3082 return IMPORTANCE_CANT_SAVE_STATE; 3083 } else if (procState >= PROCESS_STATE_TOP_SLEEPING) { 3084 return IMPORTANCE_TOP_SLEEPING; 3085 } else if (procState >= PROCESS_STATE_SERVICE) { 3086 return IMPORTANCE_SERVICE; 3087 } else if (procState >= PROCESS_STATE_TRANSIENT_BACKGROUND) { 3088 return IMPORTANCE_PERCEPTIBLE; 3089 } else if (procState >= PROCESS_STATE_IMPORTANT_FOREGROUND) { 3090 return IMPORTANCE_VISIBLE; 3091 } else if (procState >= PROCESS_STATE_FOREGROUND_SERVICE) { 3092 return IMPORTANCE_FOREGROUND_SERVICE; 3093 } else { 3094 return IMPORTANCE_FOREGROUND; 3095 } 3096 } 3097 3098 /** 3099 * Convert a proc state to the correspondent IMPORTANCE_* constant for a client represented 3100 * by a given {@link Context}, with converting {@link #IMPORTANCE_PERCEPTIBLE} 3101 * and {@link #IMPORTANCE_CANT_SAVE_STATE} to the corresponding "wrong" value if the 3102 * client's target SDK < {@link VERSION_CODES#O}. 3103 * @hide 3104 */ 3105 public static @Importance int procStateToImportanceForClient(int procState, 3106 Context clientContext) { 3107 return procStateToImportanceForTargetSdk(procState, 3108 clientContext.getApplicationInfo().targetSdkVersion); 3109 } 3110 3111 /** 3112 * See {@link #procStateToImportanceForClient}. 3113 * @hide 3114 */ 3115 public static @Importance int procStateToImportanceForTargetSdk(int procState, 3116 int targetSdkVersion) { 3117 final int importance = procStateToImportance(procState); 3118 3119 // For pre O apps, convert to the old, wrong values. 3120 if (targetSdkVersion < VERSION_CODES.O) { 3121 switch (importance) { 3122 case IMPORTANCE_PERCEPTIBLE: 3123 return IMPORTANCE_PERCEPTIBLE_PRE_26; 3124 case IMPORTANCE_TOP_SLEEPING: 3125 return IMPORTANCE_TOP_SLEEPING_PRE_28; 3126 case IMPORTANCE_CANT_SAVE_STATE: 3127 return IMPORTANCE_CANT_SAVE_STATE_PRE_26; 3128 } 3129 } 3130 return importance; 3131 } 3132 3133 /** @hide */ 3134 public static int importanceToProcState(@Importance int importance) { 3135 if (importance == IMPORTANCE_GONE) { 3136 return PROCESS_STATE_NONEXISTENT; 3137 } else if (importance >= IMPORTANCE_CACHED) { 3138 return PROCESS_STATE_HOME; 3139 } else if (importance >= IMPORTANCE_CANT_SAVE_STATE) { 3140 return PROCESS_STATE_HEAVY_WEIGHT; 3141 } else if (importance >= IMPORTANCE_TOP_SLEEPING) { 3142 return PROCESS_STATE_TOP_SLEEPING; 3143 } else if (importance >= IMPORTANCE_SERVICE) { 3144 return PROCESS_STATE_SERVICE; 3145 } else if (importance >= IMPORTANCE_PERCEPTIBLE) { 3146 return PROCESS_STATE_TRANSIENT_BACKGROUND; 3147 } else if (importance >= IMPORTANCE_VISIBLE) { 3148 return PROCESS_STATE_IMPORTANT_FOREGROUND; 3149 } else if (importance >= IMPORTANCE_TOP_SLEEPING_PRE_28) { 3150 return PROCESS_STATE_IMPORTANT_FOREGROUND; 3151 } else if (importance >= IMPORTANCE_FOREGROUND_SERVICE) { 3152 return PROCESS_STATE_FOREGROUND_SERVICE; 3153 } else { 3154 return PROCESS_STATE_TOP; 3155 } 3156 } 3157 3158 /** 3159 * The relative importance level that the system places on this process. 3160 * These constants are numbered so that "more important" values are 3161 * always smaller than "less important" values. 3162 */ 3163 public @Importance int importance; 3164 3165 /** 3166 * An additional ordering within a particular {@link #importance} 3167 * category, providing finer-grained information about the relative 3168 * utility of processes within a category. This number means nothing 3169 * except that a smaller values are more recently used (and thus 3170 * more important). Currently an LRU value is only maintained for 3171 * the {@link #IMPORTANCE_CACHED} category, though others may 3172 * be maintained in the future. 3173 */ 3174 public int lru; 3175 3176 /** 3177 * Constant for {@link #importanceReasonCode}: nothing special has 3178 * been specified for the reason for this level. 3179 */ 3180 public static final int REASON_UNKNOWN = 0; 3181 3182 /** 3183 * Constant for {@link #importanceReasonCode}: one of the application's 3184 * content providers is being used by another process. The pid of 3185 * the client process is in {@link #importanceReasonPid} and the 3186 * target provider in this process is in 3187 * {@link #importanceReasonComponent}. 3188 */ 3189 public static final int REASON_PROVIDER_IN_USE = 1; 3190 3191 /** 3192 * Constant for {@link #importanceReasonCode}: one of the application's 3193 * content providers is being used by another process. The pid of 3194 * the client process is in {@link #importanceReasonPid} and the 3195 * target provider in this process is in 3196 * {@link #importanceReasonComponent}. 3197 */ 3198 public static final int REASON_SERVICE_IN_USE = 2; 3199 3200 /** 3201 * The reason for {@link #importance}, if any. 3202 */ 3203 public int importanceReasonCode; 3204 3205 /** 3206 * For the specified values of {@link #importanceReasonCode}, this 3207 * is the process ID of the other process that is a client of this 3208 * process. This will be 0 if no other process is using this one. 3209 */ 3210 public int importanceReasonPid; 3211 3212 /** 3213 * For the specified values of {@link #importanceReasonCode}, this 3214 * is the name of the component that is being used in this process. 3215 */ 3216 public ComponentName importanceReasonComponent; 3217 3218 /** 3219 * When {@link #importanceReasonPid} is non-0, this is the importance 3220 * of the other pid. @hide 3221 */ 3222 public int importanceReasonImportance; 3223 3224 /** 3225 * Current process state, as per PROCESS_STATE_* constants. 3226 * @hide 3227 */ 3228 public int processState; 3229 3230 public RunningAppProcessInfo() { 3231 importance = IMPORTANCE_FOREGROUND; 3232 importanceReasonCode = REASON_UNKNOWN; 3233 processState = PROCESS_STATE_IMPORTANT_FOREGROUND; 3234 } 3235 3236 public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) { 3237 processName = pProcessName; 3238 pid = pPid; 3239 pkgList = pArr; 3240 } 3241 3242 public int describeContents() { 3243 return 0; 3244 } 3245 3246 public void writeToParcel(Parcel dest, int flags) { 3247 dest.writeString(processName); 3248 dest.writeInt(pid); 3249 dest.writeInt(uid); 3250 dest.writeStringArray(pkgList); 3251 dest.writeInt(this.flags); 3252 dest.writeInt(lastTrimLevel); 3253 dest.writeInt(importance); 3254 dest.writeInt(lru); 3255 dest.writeInt(importanceReasonCode); 3256 dest.writeInt(importanceReasonPid); 3257 ComponentName.writeToParcel(importanceReasonComponent, dest); 3258 dest.writeInt(importanceReasonImportance); 3259 dest.writeInt(processState); 3260 } 3261 3262 public void readFromParcel(Parcel source) { 3263 processName = source.readString(); 3264 pid = source.readInt(); 3265 uid = source.readInt(); 3266 pkgList = source.readStringArray(); 3267 flags = source.readInt(); 3268 lastTrimLevel = source.readInt(); 3269 importance = source.readInt(); 3270 lru = source.readInt(); 3271 importanceReasonCode = source.readInt(); 3272 importanceReasonPid = source.readInt(); 3273 importanceReasonComponent = ComponentName.readFromParcel(source); 3274 importanceReasonImportance = source.readInt(); 3275 processState = source.readInt(); 3276 } 3277 3278 public static final Creator<RunningAppProcessInfo> CREATOR = 3279 new Creator<RunningAppProcessInfo>() { 3280 public RunningAppProcessInfo createFromParcel(Parcel source) { 3281 return new RunningAppProcessInfo(source); 3282 } 3283 public RunningAppProcessInfo[] newArray(int size) { 3284 return new RunningAppProcessInfo[size]; 3285 } 3286 }; 3287 3288 private RunningAppProcessInfo(Parcel source) { 3289 readFromParcel(source); 3290 } 3291 } 3292 3293 /** 3294 * Returns a list of application processes installed on external media 3295 * that are running on the device. 3296 * 3297 * <p><b>Note: this method is only intended for debugging or building 3298 * a user-facing process management UI.</b></p> 3299 * 3300 * @return Returns a list of ApplicationInfo records, or null if none 3301 * This list ordering is not specified. 3302 * @hide 3303 */ 3304 public List<ApplicationInfo> getRunningExternalApplications() { 3305 try { 3306 return getService().getRunningExternalApplications(); 3307 } catch (RemoteException e) { 3308 throw e.rethrowFromSystemServer(); 3309 } 3310 } 3311 3312 /** 3313 * Sets the memory trim mode for a process and schedules a memory trim operation. 3314 * 3315 * <p><b>Note: this method is only intended for testing framework.</b></p> 3316 * 3317 * @return Returns true if successful. 3318 * @hide 3319 */ 3320 public boolean setProcessMemoryTrimLevel(String process, int userId, int level) { 3321 try { 3322 return getService().setProcessMemoryTrimLevel(process, userId, 3323 level); 3324 } catch (RemoteException e) { 3325 throw e.rethrowFromSystemServer(); 3326 } 3327 } 3328 3329 /** 3330 * Returns a list of application processes that are running on the device. 3331 * 3332 * <p><b>Note: this method is only intended for debugging or building 3333 * a user-facing process management UI.</b></p> 3334 * 3335 * @return Returns a list of RunningAppProcessInfo records, or null if there are no 3336 * running processes (it will not return an empty list). This list ordering is not 3337 * specified. 3338 */ 3339 public List<RunningAppProcessInfo> getRunningAppProcesses() { 3340 try { 3341 return getService().getRunningAppProcesses(); 3342 } catch (RemoteException e) { 3343 throw e.rethrowFromSystemServer(); 3344 } 3345 } 3346 3347 /** 3348 * Return the importance of a given package name, based on the processes that are 3349 * currently running. The return value is one of the importance constants defined 3350 * in {@link RunningAppProcessInfo}, giving you the highest importance of all the 3351 * processes that this package has code running inside of. If there are no processes 3352 * running its code, {@link RunningAppProcessInfo#IMPORTANCE_GONE} is returned. 3353 * @hide 3354 */ 3355 @SystemApi @TestApi 3356 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3357 public @RunningAppProcessInfo.Importance int getPackageImportance(String packageName) { 3358 try { 3359 int procState = getService().getPackageProcessState(packageName, 3360 mContext.getOpPackageName()); 3361 return RunningAppProcessInfo.procStateToImportanceForClient(procState, mContext); 3362 } catch (RemoteException e) { 3363 throw e.rethrowFromSystemServer(); 3364 } 3365 } 3366 3367 /** 3368 * Return the importance of a given uid, based on the processes that are 3369 * currently running. The return value is one of the importance constants defined 3370 * in {@link RunningAppProcessInfo}, giving you the highest importance of all the 3371 * processes that this uid has running. If there are no processes 3372 * running its code, {@link RunningAppProcessInfo#IMPORTANCE_GONE} is returned. 3373 * @hide 3374 */ 3375 @SystemApi @TestApi 3376 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3377 public @RunningAppProcessInfo.Importance int getUidImportance(int uid) { 3378 try { 3379 int procState = getService().getUidProcessState(uid, 3380 mContext.getOpPackageName()); 3381 return RunningAppProcessInfo.procStateToImportanceForClient(procState, mContext); 3382 } catch (RemoteException e) { 3383 throw e.rethrowFromSystemServer(); 3384 } 3385 } 3386 3387 /** 3388 * Callback to get reports about changes to the importance of a uid. Use with 3389 * {@link #addOnUidImportanceListener}. 3390 * @hide 3391 */ 3392 @SystemApi @TestApi 3393 public interface OnUidImportanceListener { 3394 /** 3395 * The importance if a given uid has changed. Will be one of the importance 3396 * values in {@link RunningAppProcessInfo}; 3397 * {@link RunningAppProcessInfo#IMPORTANCE_GONE IMPORTANCE_GONE} will be reported 3398 * when the uid is no longer running at all. This callback will happen on a thread 3399 * from a thread pool, not the main UI thread. 3400 * @param uid The uid whose importance has changed. 3401 * @param importance The new importance value as per {@link RunningAppProcessInfo}. 3402 */ 3403 void onUidImportance(int uid, @RunningAppProcessInfo.Importance int importance); 3404 } 3405 3406 /** 3407 * Start monitoring changes to the imoportance of uids running in the system. 3408 * @param listener The listener callback that will receive change reports. 3409 * @param importanceCutpoint The level of importance in which the caller is interested 3410 * in differences. For example, if {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE} 3411 * is used here, you will receive a call each time a uids importance transitions between 3412 * being <= {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE} and 3413 * > {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE}. 3414 * 3415 * <p>The caller must hold the {@link android.Manifest.permission#PACKAGE_USAGE_STATS} 3416 * permission to use this feature.</p> 3417 * 3418 * @throws IllegalArgumentException If the listener is already registered. 3419 * @throws SecurityException If the caller does not hold 3420 * {@link android.Manifest.permission#PACKAGE_USAGE_STATS}. 3421 * @hide 3422 */ 3423 @SystemApi @TestApi 3424 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3425 public void addOnUidImportanceListener(OnUidImportanceListener listener, 3426 @RunningAppProcessInfo.Importance int importanceCutpoint) { 3427 synchronized (this) { 3428 if (mImportanceListeners.containsKey(listener)) { 3429 throw new IllegalArgumentException("Listener already registered: " + listener); 3430 } 3431 // TODO: implement the cut point in the system process to avoid IPCs. 3432 UidObserver observer = new UidObserver(listener, mContext); 3433 try { 3434 getService().registerUidObserver(observer, 3435 UID_OBSERVER_PROCSTATE | UID_OBSERVER_GONE, 3436 RunningAppProcessInfo.importanceToProcState(importanceCutpoint), 3437 mContext.getOpPackageName()); 3438 } catch (RemoteException e) { 3439 throw e.rethrowFromSystemServer(); 3440 } 3441 mImportanceListeners.put(listener, observer); 3442 } 3443 } 3444 3445 /** 3446 * Remove an importance listener that was previously registered with 3447 * {@link #addOnUidImportanceListener}. 3448 * 3449 * @throws IllegalArgumentException If the listener is not registered. 3450 * @hide 3451 */ 3452 @SystemApi @TestApi 3453 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3454 public void removeOnUidImportanceListener(OnUidImportanceListener listener) { 3455 synchronized (this) { 3456 UidObserver observer = mImportanceListeners.remove(listener); 3457 if (observer == null) { 3458 throw new IllegalArgumentException("Listener not registered: " + listener); 3459 } 3460 try { 3461 getService().unregisterUidObserver(observer); 3462 } catch (RemoteException e) { 3463 throw e.rethrowFromSystemServer(); 3464 } 3465 } 3466 } 3467 3468 /** 3469 * Return global memory state information for the calling process. This 3470 * does not fill in all fields of the {@link RunningAppProcessInfo}. The 3471 * only fields that will be filled in are 3472 * {@link RunningAppProcessInfo#pid}, 3473 * {@link RunningAppProcessInfo#uid}, 3474 * {@link RunningAppProcessInfo#lastTrimLevel}, 3475 * {@link RunningAppProcessInfo#importance}, 3476 * {@link RunningAppProcessInfo#lru}, and 3477 * {@link RunningAppProcessInfo#importanceReasonCode}. 3478 */ 3479 static public void getMyMemoryState(RunningAppProcessInfo outState) { 3480 try { 3481 getService().getMyMemoryState(outState); 3482 } catch (RemoteException e) { 3483 throw e.rethrowFromSystemServer(); 3484 } 3485 } 3486 3487 /** 3488 * Return information about the memory usage of one or more processes. 3489 * 3490 * <p><b>Note: this method is only intended for debugging or building 3491 * a user-facing process management UI.</b></p> 3492 * 3493 * @param pids The pids of the processes whose memory usage is to be 3494 * retrieved. 3495 * @return Returns an array of memory information, one for each 3496 * requested pid. 3497 */ 3498 public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { 3499 try { 3500 return getService().getProcessMemoryInfo(pids); 3501 } catch (RemoteException e) { 3502 throw e.rethrowFromSystemServer(); 3503 } 3504 } 3505 3506 /** 3507 * @deprecated This is now just a wrapper for 3508 * {@link #killBackgroundProcesses(String)}; the previous behavior here 3509 * is no longer available to applications because it allows them to 3510 * break other applications by removing their alarms, stopping their 3511 * services, etc. 3512 */ 3513 @Deprecated 3514 public void restartPackage(String packageName) { 3515 killBackgroundProcesses(packageName); 3516 } 3517 3518 /** 3519 * Have the system immediately kill all background processes associated 3520 * with the given package. This is the same as the kernel killing those 3521 * processes to reclaim memory; the system will take care of restarting 3522 * these processes in the future as needed. 3523 * 3524 * @param packageName The name of the package whose processes are to 3525 * be killed. 3526 */ 3527 @RequiresPermission(Manifest.permission.KILL_BACKGROUND_PROCESSES) 3528 public void killBackgroundProcesses(String packageName) { 3529 try { 3530 getService().killBackgroundProcesses(packageName, 3531 UserHandle.myUserId()); 3532 } catch (RemoteException e) { 3533 throw e.rethrowFromSystemServer(); 3534 } 3535 } 3536 3537 /** 3538 * Kills the specified UID. 3539 * @param uid The UID to kill. 3540 * @param reason The reason for the kill. 3541 * 3542 * @hide 3543 */ 3544 @SystemApi 3545 @RequiresPermission(Manifest.permission.KILL_UID) 3546 public void killUid(int uid, String reason) { 3547 try { 3548 getService().killUid(UserHandle.getAppId(uid), 3549 UserHandle.getUserId(uid), reason); 3550 } catch (RemoteException e) { 3551 throw e.rethrowFromSystemServer(); 3552 } 3553 } 3554 3555 /** 3556 * Have the system perform a force stop of everything associated with 3557 * the given application package. All processes that share its uid 3558 * will be killed, all services it has running stopped, all activities 3559 * removed, etc. In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED} 3560 * broadcast will be sent, so that any of its registered alarms can 3561 * be stopped, notifications removed, etc. 3562 * 3563 * <p>You must hold the permission 3564 * {@link android.Manifest.permission#FORCE_STOP_PACKAGES} to be able to 3565 * call this method. 3566 * 3567 * @param packageName The name of the package to be stopped. 3568 * @param userId The user for which the running package is to be stopped. 3569 * 3570 * @hide This is not available to third party applications due to 3571 * it allowing them to break other applications by stopping their 3572 * services, removing their alarms, etc. 3573 */ 3574 public void forceStopPackageAsUser(String packageName, int userId) { 3575 try { 3576 getService().forceStopPackage(packageName, userId); 3577 } catch (RemoteException e) { 3578 throw e.rethrowFromSystemServer(); 3579 } 3580 } 3581 3582 /** 3583 * @see #forceStopPackageAsUser(String, int) 3584 * @hide 3585 */ 3586 @SystemApi 3587 @RequiresPermission(Manifest.permission.FORCE_STOP_PACKAGES) 3588 public void forceStopPackage(String packageName) { 3589 forceStopPackageAsUser(packageName, UserHandle.myUserId()); 3590 } 3591 3592 /** 3593 * Get the device configuration attributes. 3594 */ 3595 public ConfigurationInfo getDeviceConfigurationInfo() { 3596 try { 3597 return getService().getDeviceConfigurationInfo(); 3598 } catch (RemoteException e) { 3599 throw e.rethrowFromSystemServer(); 3600 } 3601 } 3602 3603 /** 3604 * Get the preferred density of icons for the launcher. This is used when 3605 * custom drawables are created (e.g., for shortcuts). 3606 * 3607 * @return density in terms of DPI 3608 */ 3609 public int getLauncherLargeIconDensity() { 3610 final Resources res = mContext.getResources(); 3611 final int density = res.getDisplayMetrics().densityDpi; 3612 final int sw = res.getConfiguration().smallestScreenWidthDp; 3613 3614 if (sw < 600) { 3615 // Smaller than approx 7" tablets, use the regular icon size. 3616 return density; 3617 } 3618 3619 switch (density) { 3620 case DisplayMetrics.DENSITY_LOW: 3621 return DisplayMetrics.DENSITY_MEDIUM; 3622 case DisplayMetrics.DENSITY_MEDIUM: 3623 return DisplayMetrics.DENSITY_HIGH; 3624 case DisplayMetrics.DENSITY_TV: 3625 return DisplayMetrics.DENSITY_XHIGH; 3626 case DisplayMetrics.DENSITY_HIGH: 3627 return DisplayMetrics.DENSITY_XHIGH; 3628 case DisplayMetrics.DENSITY_XHIGH: 3629 return DisplayMetrics.DENSITY_XXHIGH; 3630 case DisplayMetrics.DENSITY_XXHIGH: 3631 return DisplayMetrics.DENSITY_XHIGH * 2; 3632 default: 3633 // The density is some abnormal value. Return some other 3634 // abnormal value that is a reasonable scaling of it. 3635 return (int)((density*1.5f)+.5f); 3636 } 3637 } 3638 3639 /** 3640 * Get the preferred launcher icon size. This is used when custom drawables 3641 * are created (e.g., for shortcuts). 3642 * 3643 * @return dimensions of square icons in terms of pixels 3644 */ 3645 public int getLauncherLargeIconSize() { 3646 return getLauncherLargeIconSizeInner(mContext); 3647 } 3648 3649 static int getLauncherLargeIconSizeInner(Context context) { 3650 final Resources res = context.getResources(); 3651 final int size = res.getDimensionPixelSize(android.R.dimen.app_icon_size); 3652 final int sw = res.getConfiguration().smallestScreenWidthDp; 3653 3654 if (sw < 600) { 3655 // Smaller than approx 7" tablets, use the regular icon size. 3656 return size; 3657 } 3658 3659 final int density = res.getDisplayMetrics().densityDpi; 3660 3661 switch (density) { 3662 case DisplayMetrics.DENSITY_LOW: 3663 return (size * DisplayMetrics.DENSITY_MEDIUM) / DisplayMetrics.DENSITY_LOW; 3664 case DisplayMetrics.DENSITY_MEDIUM: 3665 return (size * DisplayMetrics.DENSITY_HIGH) / DisplayMetrics.DENSITY_MEDIUM; 3666 case DisplayMetrics.DENSITY_TV: 3667 return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; 3668 case DisplayMetrics.DENSITY_HIGH: 3669 return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; 3670 case DisplayMetrics.DENSITY_XHIGH: 3671 return (size * DisplayMetrics.DENSITY_XXHIGH) / DisplayMetrics.DENSITY_XHIGH; 3672 case DisplayMetrics.DENSITY_XXHIGH: 3673 return (size * DisplayMetrics.DENSITY_XHIGH*2) / DisplayMetrics.DENSITY_XXHIGH; 3674 default: 3675 // The density is some abnormal value. Return some other 3676 // abnormal value that is a reasonable scaling of it. 3677 return (int)((size*1.5f) + .5f); 3678 } 3679 } 3680 3681 /** 3682 * Returns "true" if the user interface is currently being messed with 3683 * by a monkey. 3684 */ 3685 public static boolean isUserAMonkey() { 3686 try { 3687 return getService().isUserAMonkey(); 3688 } catch (RemoteException e) { 3689 throw e.rethrowFromSystemServer(); 3690 } 3691 } 3692 3693 /** 3694 * Returns "true" if device is running in a test harness. 3695 */ 3696 public static boolean isRunningInTestHarness() { 3697 return SystemProperties.getBoolean("ro.test_harness", false); 3698 } 3699 3700 /** 3701 * Returns the launch count of each installed package. 3702 * 3703 * @hide 3704 */ 3705 /*public Map<String, Integer> getAllPackageLaunchCounts() { 3706 try { 3707 IUsageStats usageStatsService = IUsageStats.Stub.asInterface( 3708 ServiceManager.getService("usagestats")); 3709 if (usageStatsService == null) { 3710 return new HashMap<String, Integer>(); 3711 } 3712 3713 UsageStats.PackageStats[] allPkgUsageStats = usageStatsService.getAllPkgUsageStats( 3714 ActivityThread.currentPackageName()); 3715 if (allPkgUsageStats == null) { 3716 return new HashMap<String, Integer>(); 3717 } 3718 3719 Map<String, Integer> launchCounts = new HashMap<String, Integer>(); 3720 for (UsageStats.PackageStats pkgUsageStats : allPkgUsageStats) { 3721 launchCounts.put(pkgUsageStats.getPackageName(), pkgUsageStats.getLaunchCount()); 3722 } 3723 3724 return launchCounts; 3725 } catch (RemoteException e) { 3726 Log.w(TAG, "Could not query launch counts", e); 3727 return new HashMap<String, Integer>(); 3728 } 3729 }*/ 3730 3731 /** @hide */ 3732 public static int checkComponentPermission(String permission, int uid, 3733 int owningUid, boolean exported) { 3734 // Root, system server get to do everything. 3735 final int appId = UserHandle.getAppId(uid); 3736 if (appId == Process.ROOT_UID || appId == Process.SYSTEM_UID) { 3737 return PackageManager.PERMISSION_GRANTED; 3738 } 3739 // Isolated processes don't get any permissions. 3740 if (UserHandle.isIsolated(uid)) { 3741 return PackageManager.PERMISSION_DENIED; 3742 } 3743 // If there is a uid that owns whatever is being accessed, it has 3744 // blanket access to it regardless of the permissions it requires. 3745 if (owningUid >= 0 && UserHandle.isSameApp(uid, owningUid)) { 3746 return PackageManager.PERMISSION_GRANTED; 3747 } 3748 // If the target is not exported, then nobody else can get to it. 3749 if (!exported) { 3750 /* 3751 RuntimeException here = new RuntimeException("here"); 3752 here.fillInStackTrace(); 3753 Slog.w(TAG, "Permission denied: checkComponentPermission() owningUid=" + owningUid, 3754 here); 3755 */ 3756 return PackageManager.PERMISSION_DENIED; 3757 } 3758 if (permission == null) { 3759 return PackageManager.PERMISSION_GRANTED; 3760 } 3761 try { 3762 return AppGlobals.getPackageManager() 3763 .checkUidPermission(permission, uid); 3764 } catch (RemoteException e) { 3765 throw e.rethrowFromSystemServer(); 3766 } 3767 } 3768 3769 /** @hide */ 3770 public static int checkUidPermission(String permission, int uid) { 3771 try { 3772 return AppGlobals.getPackageManager() 3773 .checkUidPermission(permission, uid); 3774 } catch (RemoteException e) { 3775 throw e.rethrowFromSystemServer(); 3776 } 3777 } 3778 3779 /** 3780 * @hide 3781 * Helper for dealing with incoming user arguments to system service calls. 3782 * Takes care of checking permissions and converting USER_CURRENT to the 3783 * actual current user. 3784 * 3785 * @param callingPid The pid of the incoming call, as per Binder.getCallingPid(). 3786 * @param callingUid The uid of the incoming call, as per Binder.getCallingUid(). 3787 * @param userId The user id argument supplied by the caller -- this is the user 3788 * they want to run as. 3789 * @param allowAll If true, we will allow USER_ALL. This means you must be prepared 3790 * to get a USER_ALL returned and deal with it correctly. If false, 3791 * an exception will be thrown if USER_ALL is supplied. 3792 * @param requireFull If true, the caller must hold 3793 * {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} to be able to run as a 3794 * different user than their current process; otherwise they must hold 3795 * {@link android.Manifest.permission#INTERACT_ACROSS_USERS}. 3796 * @param name Optional textual name of the incoming call; only for generating error messages. 3797 * @param callerPackage Optional package name of caller; only for error messages. 3798 * 3799 * @return Returns the user ID that the call should run as. Will always be a concrete 3800 * user number, unless <var>allowAll</var> is true in which case it could also be 3801 * USER_ALL. 3802 */ 3803 public static int handleIncomingUser(int callingPid, int callingUid, int userId, 3804 boolean allowAll, boolean requireFull, String name, String callerPackage) { 3805 if (UserHandle.getUserId(callingUid) == userId) { 3806 return userId; 3807 } 3808 try { 3809 return getService().handleIncomingUser(callingPid, 3810 callingUid, userId, allowAll, requireFull, name, callerPackage); 3811 } catch (RemoteException e) { 3812 throw e.rethrowFromSystemServer(); 3813 } 3814 } 3815 3816 /** 3817 * Gets the userId of the current foreground user. Requires system permissions. 3818 * @hide 3819 */ 3820 @SystemApi 3821 @RequiresPermission(anyOf = { 3822 "android.permission.INTERACT_ACROSS_USERS", 3823 "android.permission.INTERACT_ACROSS_USERS_FULL" 3824 }) 3825 public static int getCurrentUser() { 3826 UserInfo ui; 3827 try { 3828 ui = getService().getCurrentUser(); 3829 return ui != null ? ui.id : 0; 3830 } catch (RemoteException e) { 3831 throw e.rethrowFromSystemServer(); 3832 } 3833 } 3834 3835 /** 3836 * @param userid the user's id. Zero indicates the default user. 3837 * @hide 3838 */ 3839 public boolean switchUser(int userid) { 3840 try { 3841 return getService().switchUser(userid); 3842 } catch (RemoteException e) { 3843 throw e.rethrowFromSystemServer(); 3844 } 3845 } 3846 3847 /** 3848 * Logs out current current foreground user by switching to the system user and stopping the 3849 * user being switched from. 3850 * @hide 3851 */ 3852 public static void logoutCurrentUser() { 3853 int currentUser = ActivityManager.getCurrentUser(); 3854 if (currentUser != UserHandle.USER_SYSTEM) { 3855 try { 3856 getService().switchUser(UserHandle.USER_SYSTEM); 3857 getService().stopUser(currentUser, /* force= */ false, null); 3858 } catch (RemoteException e) { 3859 e.rethrowFromSystemServer(); 3860 } 3861 } 3862 } 3863 3864 /** {@hide} */ 3865 public static final int FLAG_OR_STOPPED = 1 << 0; 3866 /** {@hide} */ 3867 public static final int FLAG_AND_LOCKED = 1 << 1; 3868 /** {@hide} */ 3869 public static final int FLAG_AND_UNLOCKED = 1 << 2; 3870 /** {@hide} */ 3871 public static final int FLAG_AND_UNLOCKING_OR_UNLOCKED = 1 << 3; 3872 3873 /** 3874 * Return whether the given user is actively running. This means that 3875 * the user is in the "started" state, not "stopped" -- it is currently 3876 * allowed to run code through scheduled alarms, receiving broadcasts, 3877 * etc. A started user may be either the current foreground user or a 3878 * background user; the result here does not distinguish between the two. 3879 * @param userId the user's id. Zero indicates the default user. 3880 * @hide 3881 */ 3882 public boolean isUserRunning(int userId) { 3883 try { 3884 return getService().isUserRunning(userId, 0); 3885 } catch (RemoteException e) { 3886 throw e.rethrowFromSystemServer(); 3887 } 3888 } 3889 3890 /** {@hide} */ 3891 public boolean isVrModePackageEnabled(ComponentName component) { 3892 try { 3893 return getService().isVrModePackageEnabled(component); 3894 } catch (RemoteException e) { 3895 throw e.rethrowFromSystemServer(); 3896 } 3897 } 3898 3899 /** 3900 * Perform a system dump of various state associated with the given application 3901 * package name. This call blocks while the dump is being performed, so should 3902 * not be done on a UI thread. The data will be written to the given file 3903 * descriptor as text. 3904 * @param fd The file descriptor that the dump should be written to. The file 3905 * descriptor is <em>not</em> closed by this function; the caller continues to 3906 * own it. 3907 * @param packageName The name of the package that is to be dumped. 3908 */ 3909 @RequiresPermission(Manifest.permission.DUMP) 3910 public void dumpPackageState(FileDescriptor fd, String packageName) { 3911 dumpPackageStateStatic(fd, packageName); 3912 } 3913 3914 /** 3915 * @hide 3916 */ 3917 public static void dumpPackageStateStatic(FileDescriptor fd, String packageName) { 3918 FileOutputStream fout = new FileOutputStream(fd); 3919 PrintWriter pw = new FastPrintWriter(fout); 3920 dumpService(pw, fd, "package", new String[] { packageName }); 3921 pw.println(); 3922 dumpService(pw, fd, Context.ACTIVITY_SERVICE, new String[] { 3923 "-a", "package", packageName }); 3924 pw.println(); 3925 dumpService(pw, fd, "meminfo", new String[] { "--local", "--package", packageName }); 3926 pw.println(); 3927 dumpService(pw, fd, ProcessStats.SERVICE_NAME, new String[] { packageName }); 3928 pw.println(); 3929 dumpService(pw, fd, "usagestats", new String[] { packageName }); 3930 pw.println(); 3931 dumpService(pw, fd, BatteryStats.SERVICE_NAME, new String[] { packageName }); 3932 pw.flush(); 3933 } 3934 3935 /** 3936 * @hide 3937 */ 3938 public static boolean isSystemReady() { 3939 if (!sSystemReady) { 3940 if (ActivityThread.isSystem()) { 3941 sSystemReady = 3942 LocalServices.getService(ActivityManagerInternal.class).isSystemReady(); 3943 } else { 3944 // Since this is being called from outside system server, system should be 3945 // ready by now. 3946 sSystemReady = true; 3947 } 3948 } 3949 return sSystemReady; 3950 } 3951 3952 /** 3953 * @hide 3954 */ 3955 public static void broadcastStickyIntent(Intent intent, int userId) { 3956 broadcastStickyIntent(intent, AppOpsManager.OP_NONE, userId); 3957 } 3958 3959 /** 3960 * Convenience for sending a sticky broadcast. For internal use only. 3961 * 3962 * @hide 3963 */ 3964 public static void broadcastStickyIntent(Intent intent, int appOp, int userId) { 3965 try { 3966 getService().broadcastIntent( 3967 null, intent, null, null, Activity.RESULT_OK, null, null, 3968 null /*permission*/, appOp, null, false, true, userId); 3969 } catch (RemoteException ex) { 3970 } 3971 } 3972 3973 /** 3974 * @hide 3975 */ 3976 public static void noteWakeupAlarm(PendingIntent ps, WorkSource workSource, int sourceUid, 3977 String sourcePkg, String tag) { 3978 try { 3979 getService().noteWakeupAlarm((ps != null) ? ps.getTarget() : null, workSource, 3980 sourceUid, sourcePkg, tag); 3981 } catch (RemoteException ex) { 3982 } 3983 } 3984 3985 /** 3986 * @hide 3987 */ 3988 public static void noteAlarmStart(PendingIntent ps, WorkSource workSource, int sourceUid, 3989 String tag) { 3990 try { 3991 getService().noteAlarmStart((ps != null) ? ps.getTarget() : null, workSource, 3992 sourceUid, tag); 3993 } catch (RemoteException ex) { 3994 } 3995 } 3996 3997 3998 /** 3999 * @hide 4000 */ 4001 public static void noteAlarmFinish(PendingIntent ps, WorkSource workSource, int sourceUid, 4002 String tag) { 4003 try { 4004 getService().noteAlarmFinish((ps != null) ? ps.getTarget() : null, workSource, 4005 sourceUid, tag); 4006 } catch (RemoteException ex) { 4007 } 4008 } 4009 4010 /** 4011 * @hide 4012 */ 4013 public static IActivityManager getService() { 4014 return IActivityManagerSingleton.get(); 4015 } 4016 4017 private static final Singleton<IActivityManager> IActivityManagerSingleton = 4018 new Singleton<IActivityManager>() { 4019 @Override 4020 protected IActivityManager create() { 4021 final IBinder b = ServiceManager.getService(Context.ACTIVITY_SERVICE); 4022 final IActivityManager am = IActivityManager.Stub.asInterface(b); 4023 return am; 4024 } 4025 }; 4026 4027 private static void dumpService(PrintWriter pw, FileDescriptor fd, String name, String[] args) { 4028 pw.print("DUMP OF SERVICE "); pw.print(name); pw.println(":"); 4029 IBinder service = ServiceManager.checkService(name); 4030 if (service == null) { 4031 pw.println(" (Service not found)"); 4032 pw.flush(); 4033 return; 4034 } 4035 pw.flush(); 4036 if (service instanceof Binder) { 4037 // If this is a local object, it doesn't make sense to do an async dump with it, 4038 // just directly dump. 4039 try { 4040 service.dump(fd, args); 4041 } catch (Throwable e) { 4042 pw.println("Failure dumping service:"); 4043 e.printStackTrace(pw); 4044 pw.flush(); 4045 } 4046 } else { 4047 // Otherwise, it is remote, do the dump asynchronously to avoid blocking. 4048 TransferPipe tp = null; 4049 try { 4050 pw.flush(); 4051 tp = new TransferPipe(); 4052 tp.setBufferPrefix(" "); 4053 service.dumpAsync(tp.getWriteFd().getFileDescriptor(), args); 4054 tp.go(fd, 10000); 4055 } catch (Throwable e) { 4056 if (tp != null) { 4057 tp.kill(); 4058 } 4059 pw.println("Failure dumping service:"); 4060 e.printStackTrace(pw); 4061 } 4062 } 4063 } 4064 4065 /** 4066 * Request that the system start watching for the calling process to exceed a pss 4067 * size as given here. Once called, the system will look for any occasions where it 4068 * sees the associated process with a larger pss size and, when this happens, automatically 4069 * pull a heap dump from it and allow the user to share the data. Note that this request 4070 * continues running even if the process is killed and restarted. To remove the watch, 4071 * use {@link #clearWatchHeapLimit()}. 4072 * 4073 * <p>This API only work if the calling process has been marked as 4074 * {@link ApplicationInfo#FLAG_DEBUGGABLE} or this is running on a debuggable 4075 * (userdebug or eng) build.</p> 4076 * 4077 * <p>Callers can optionally implement {@link #ACTION_REPORT_HEAP_LIMIT} to directly 4078 * handle heap limit reports themselves.</p> 4079 * 4080 * @param pssSize The size in bytes to set the limit at. 4081 */ 4082 public void setWatchHeapLimit(long pssSize) { 4083 try { 4084 getService().setDumpHeapDebugLimit(null, 0, pssSize, 4085 mContext.getPackageName()); 4086 } catch (RemoteException e) { 4087 throw e.rethrowFromSystemServer(); 4088 } 4089 } 4090 4091 /** 4092 * Action an app can implement to handle reports from {@link #setWatchHeapLimit(long)}. 4093 * If your package has an activity handling this action, it will be launched with the 4094 * heap data provided to it the same way as {@link Intent#ACTION_SEND}. Note that to 4095 * match the activty must support this action and a MIME type of "*/*". 4096 */ 4097 public static final String ACTION_REPORT_HEAP_LIMIT = "android.app.action.REPORT_HEAP_LIMIT"; 4098 4099 /** 4100 * Clear a heap watch limit previously set by {@link #setWatchHeapLimit(long)}. 4101 */ 4102 public void clearWatchHeapLimit() { 4103 try { 4104 getService().setDumpHeapDebugLimit(null, 0, 0, null); 4105 } catch (RemoteException e) { 4106 throw e.rethrowFromSystemServer(); 4107 } 4108 } 4109 4110 /** 4111 * Return whether currently in lock task mode. When in this mode 4112 * no new tasks can be created or switched to. 4113 * 4114 * @see Activity#startLockTask() 4115 * 4116 * @deprecated Use {@link #getLockTaskModeState} instead. 4117 */ 4118 @Deprecated 4119 public boolean isInLockTaskMode() { 4120 return getLockTaskModeState() != LOCK_TASK_MODE_NONE; 4121 } 4122 4123 /** 4124 * Return the current state of task locking. The three possible outcomes 4125 * are {@link #LOCK_TASK_MODE_NONE}, {@link #LOCK_TASK_MODE_LOCKED} 4126 * and {@link #LOCK_TASK_MODE_PINNED}. 4127 * 4128 * @see Activity#startLockTask() 4129 */ 4130 public int getLockTaskModeState() { 4131 try { 4132 return getService().getLockTaskModeState(); 4133 } catch (RemoteException e) { 4134 throw e.rethrowFromSystemServer(); 4135 } 4136 } 4137 4138 /** 4139 * Enable more aggressive scheduling for latency-sensitive low-runtime VR threads. Only one 4140 * thread can be a VR thread in a process at a time, and that thread may be subject to 4141 * restrictions on the amount of time it can run. 4142 * 4143 * If persistent VR mode is set, whatever thread has been granted aggressive scheduling via this 4144 * method will return to normal operation, and calling this method will do nothing while 4145 * persistent VR mode is enabled. 4146 * 4147 * To reset the VR thread for an application, a tid of 0 can be passed. 4148 * 4149 * @see android.os.Process#myTid() 4150 * @param tid tid of the VR thread 4151 */ 4152 public static void setVrThread(int tid) { 4153 try { 4154 getService().setVrThread(tid); 4155 } catch (RemoteException e) { 4156 // pass 4157 } 4158 } 4159 4160 /** 4161 * Enable more aggressive scheduling for latency-sensitive low-runtime VR threads that persist 4162 * beyond a single process. Only one thread can be a 4163 * persistent VR thread at a time, and that thread may be subject to restrictions on the amount 4164 * of time it can run. Calling this method will disable aggressive scheduling for non-persistent 4165 * VR threads set via {@link #setVrThread}. If persistent VR mode is disabled then the 4166 * persistent VR thread loses its new scheduling priority; this method must be called again to 4167 * set the persistent thread. 4168 * 4169 * To reset the persistent VR thread, a tid of 0 can be passed. 4170 * 4171 * @see android.os.Process#myTid() 4172 * @param tid tid of the VR thread 4173 * @hide 4174 */ 4175 @RequiresPermission(Manifest.permission.RESTRICTED_VR_ACCESS) 4176 public static void setPersistentVrThread(int tid) { 4177 try { 4178 getService().setPersistentVrThread(tid); 4179 } catch (RemoteException e) { 4180 // pass 4181 } 4182 } 4183 4184 /** 4185 * The AppTask allows you to manage your own application's tasks. 4186 * See {@link android.app.ActivityManager#getAppTasks()} 4187 */ 4188 public static class AppTask { 4189 private IAppTask mAppTaskImpl; 4190 4191 /** @hide */ 4192 public AppTask(IAppTask task) { 4193 mAppTaskImpl = task; 4194 } 4195 4196 /** 4197 * Finishes all activities in this task and removes it from the recent tasks list. 4198 */ 4199 public void finishAndRemoveTask() { 4200 try { 4201 mAppTaskImpl.finishAndRemoveTask(); 4202 } catch (RemoteException e) { 4203 throw e.rethrowFromSystemServer(); 4204 } 4205 } 4206 4207 /** 4208 * Get the RecentTaskInfo associated with this task. 4209 * 4210 * @return The RecentTaskInfo for this task, or null if the task no longer exists. 4211 */ 4212 public RecentTaskInfo getTaskInfo() { 4213 try { 4214 return mAppTaskImpl.getTaskInfo(); 4215 } catch (RemoteException e) { 4216 throw e.rethrowFromSystemServer(); 4217 } 4218 } 4219 4220 /** 4221 * Bring this task to the foreground. If it contains activities, they will be 4222 * brought to the foreground with it and their instances re-created if needed. 4223 * If it doesn't contain activities, the root activity of the task will be 4224 * re-launched. 4225 */ 4226 public void moveToFront() { 4227 try { 4228 mAppTaskImpl.moveToFront(); 4229 } catch (RemoteException e) { 4230 throw e.rethrowFromSystemServer(); 4231 } 4232 } 4233 4234 /** 4235 * Start an activity in this task. Brings the task to the foreground. If this task 4236 * is not currently active (that is, its id < 0), then a new activity for the given 4237 * Intent will be launched as the root of the task and the task brought to the 4238 * foreground. Otherwise, if this task is currently active and the Intent does not specify 4239 * an activity to launch in a new task, then a new activity for the given Intent will 4240 * be launched on top of the task and the task brought to the foreground. If this 4241 * task is currently active and the Intent specifies {@link Intent#FLAG_ACTIVITY_NEW_TASK} 4242 * or would otherwise be launched in to a new task, then the activity not launched but 4243 * this task be brought to the foreground and a new intent delivered to the top 4244 * activity if appropriate. 4245 * 4246 * <p>In other words, you generally want to use an Intent here that does not specify 4247 * {@link Intent#FLAG_ACTIVITY_NEW_TASK} or {@link Intent#FLAG_ACTIVITY_NEW_DOCUMENT}, 4248 * and let the system do the right thing.</p> 4249 * 4250 * @param intent The Intent describing the new activity to be launched on the task. 4251 * @param options Optional launch options. 4252 * 4253 * @see Activity#startActivity(android.content.Intent, android.os.Bundle) 4254 */ 4255 public void startActivity(Context context, Intent intent, Bundle options) { 4256 ActivityThread thread = ActivityThread.currentActivityThread(); 4257 thread.getInstrumentation().execStartActivityFromAppTask(context, 4258 thread.getApplicationThread(), mAppTaskImpl, intent, options); 4259 } 4260 4261 /** 4262 * Modify the {@link Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag in the root 4263 * Intent of this AppTask. 4264 * 4265 * @param exclude If true, {@link Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} will 4266 * be set; otherwise, it will be cleared. 4267 */ 4268 public void setExcludeFromRecents(boolean exclude) { 4269 try { 4270 mAppTaskImpl.setExcludeFromRecents(exclude); 4271 } catch (RemoteException e) { 4272 throw e.rethrowFromSystemServer(); 4273 } 4274 } 4275 } 4276} 4277