ActivityManager.java revision 402de825e7d1e27d34e56d71b6e2ef2e541c986d
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.internal.util.MemInfoReader; 74import com.android.server.LocalServices; 75 76import org.xmlpull.v1.XmlSerializer; 77 78import java.io.FileDescriptor; 79import java.io.FileOutputStream; 80import java.io.IOException; 81import java.io.PrintWriter; 82import java.lang.annotation.Retention; 83import java.lang.annotation.RetentionPolicy; 84import java.util.ArrayList; 85import java.util.List; 86 87/** 88 * <p> 89 * This class gives information about, and interacts 90 * with, activities, services, and the containing 91 * process. 92 * </p> 93 * 94 * <p> 95 * A number of the methods in this class are for 96 * debugging or informational purposes and they should 97 * not be used to affect any runtime behavior of 98 * your app. These methods are called out as such in 99 * the method level documentation. 100 * </p> 101 * 102 *<p> 103 * Most application developers should not have the need to 104 * use this class, most of whose methods are for specialized 105 * use cases. However, a few methods are more broadly applicable. 106 * For instance, {@link android.app.ActivityManager#isLowRamDevice() isLowRamDevice()} 107 * enables your app to detect whether it is running on a low-memory device, 108 * and behave accordingly. 109 * {@link android.app.ActivityManager#clearApplicationUserData() clearApplicationUserData()} 110 * is for apps with reset-data functionality. 111 * </p> 112 * 113 * <p> 114 * In some special use cases, where an app interacts with 115 * its Task stack, the app may use the 116 * {@link android.app.ActivityManager.AppTask} and 117 * {@link android.app.ActivityManager.RecentTaskInfo} inner 118 * classes. However, in general, the methods in this class should 119 * be used for testing and debugging purposes only. 120 * </p> 121 */ 122@SystemService(Context.ACTIVITY_SERVICE) 123public class ActivityManager { 124 private static String TAG = "ActivityManager"; 125 126 private static int gMaxRecentTasks = -1; 127 128 private final Context mContext; 129 130 private static volatile boolean sSystemReady = false; 131 132 133 private static final int FIRST_START_FATAL_ERROR_CODE = -100; 134 private static final int LAST_START_FATAL_ERROR_CODE = -1; 135 private static final int FIRST_START_SUCCESS_CODE = 0; 136 private static final int LAST_START_SUCCESS_CODE = 99; 137 private static final int FIRST_START_NON_FATAL_ERROR_CODE = 100; 138 private static final int LAST_START_NON_FATAL_ERROR_CODE = 199; 139 140 static final class UidObserver extends IUidObserver.Stub { 141 final OnUidImportanceListener mListener; 142 final Context mContext; 143 144 UidObserver(OnUidImportanceListener listener, Context clientContext) { 145 mListener = listener; 146 mContext = clientContext; 147 } 148 149 @Override 150 public void onUidStateChanged(int uid, int procState, long procStateSeq) { 151 mListener.onUidImportance(uid, RunningAppProcessInfo.procStateToImportanceForClient( 152 procState, mContext)); 153 } 154 155 @Override 156 public void onUidGone(int uid, boolean disabled) { 157 mListener.onUidImportance(uid, RunningAppProcessInfo.IMPORTANCE_GONE); 158 } 159 160 @Override 161 public void onUidActive(int uid) { 162 } 163 164 @Override 165 public void onUidIdle(int uid, boolean disabled) { 166 } 167 168 @Override public void onUidCachedChanged(int uid, boolean cached) { 169 } 170 } 171 172 final ArrayMap<OnUidImportanceListener, UidObserver> mImportanceListeners = new ArrayMap<>(); 173 174 /** 175 * Defines acceptable types of bugreports. 176 * @hide 177 */ 178 @Retention(RetentionPolicy.SOURCE) 179 @IntDef(prefix = { "BUGREPORT_OPTION_" }, value = { 180 BUGREPORT_OPTION_FULL, 181 BUGREPORT_OPTION_INTERACTIVE, 182 BUGREPORT_OPTION_REMOTE, 183 BUGREPORT_OPTION_WEAR, 184 BUGREPORT_OPTION_TELEPHONY, 185 BUGREPORT_OPTION_WIFI 186 }) 187 public @interface BugreportMode {} 188 /** 189 * Takes a bugreport without user interference (and hence causing less 190 * interference to the system), but includes all sections. 191 * @hide 192 */ 193 public static final int BUGREPORT_OPTION_FULL = 0; 194 /** 195 * Allows user to monitor progress and enter additional data; might not include all 196 * sections. 197 * @hide 198 */ 199 public static final int BUGREPORT_OPTION_INTERACTIVE = 1; 200 /** 201 * Takes a bugreport requested remotely by administrator of the Device Owner app, 202 * not the device's user. 203 * @hide 204 */ 205 public static final int BUGREPORT_OPTION_REMOTE = 2; 206 /** 207 * Takes a bugreport on a wearable device. 208 * @hide 209 */ 210 public static final int BUGREPORT_OPTION_WEAR = 3; 211 212 /** 213 * Takes a lightweight version of bugreport that only includes a few, urgent sections 214 * used to report telephony bugs. 215 * @hide 216 */ 217 public static final int BUGREPORT_OPTION_TELEPHONY = 4; 218 219 /** 220 * Takes a lightweight bugreport that only includes a few sections related to Wifi. 221 * @hide 222 */ 223 public static final int BUGREPORT_OPTION_WIFI = 5; 224 225 /** 226 * <a href="{@docRoot}guide/topics/manifest/meta-data-element.html">{@code 227 * <meta-data>}</a> name for a 'home' Activity that declares a package that is to be 228 * uninstalled in lieu of the declaring one. The package named here must be 229 * signed with the same certificate as the one declaring the {@code <meta-data>}. 230 */ 231 public static final String META_HOME_ALTERNATE = "android.app.home.alternate"; 232 233 // NOTE: Before adding a new start result, please reference the defined ranges to ensure the 234 // result is properly categorized. 235 236 /** 237 * Result for IActivityManager.startVoiceActivity: active session is currently hidden. 238 * @hide 239 */ 240 public static final int START_VOICE_HIDDEN_SESSION = FIRST_START_FATAL_ERROR_CODE; 241 242 /** 243 * Result for IActivityManager.startVoiceActivity: active session does not match 244 * the requesting token. 245 * @hide 246 */ 247 public static final int START_VOICE_NOT_ACTIVE_SESSION = FIRST_START_FATAL_ERROR_CODE + 1; 248 249 /** 250 * Result for IActivityManager.startActivity: trying to start a background user 251 * activity that shouldn't be displayed for all users. 252 * @hide 253 */ 254 public static final int START_NOT_CURRENT_USER_ACTIVITY = FIRST_START_FATAL_ERROR_CODE + 2; 255 256 /** 257 * Result for IActivityManager.startActivity: trying to start an activity under voice 258 * control when that activity does not support the VOICE category. 259 * @hide 260 */ 261 public static final int START_NOT_VOICE_COMPATIBLE = FIRST_START_FATAL_ERROR_CODE + 3; 262 263 /** 264 * Result for IActivityManager.startActivity: an error where the 265 * start had to be canceled. 266 * @hide 267 */ 268 public static final int START_CANCELED = FIRST_START_FATAL_ERROR_CODE + 4; 269 270 /** 271 * Result for IActivityManager.startActivity: an error where the 272 * thing being started is not an activity. 273 * @hide 274 */ 275 public static final int START_NOT_ACTIVITY = FIRST_START_FATAL_ERROR_CODE + 5; 276 277 /** 278 * Result for IActivityManager.startActivity: an error where the 279 * caller does not have permission to start the activity. 280 * @hide 281 */ 282 public static final int START_PERMISSION_DENIED = FIRST_START_FATAL_ERROR_CODE + 6; 283 284 /** 285 * Result for IActivityManager.startActivity: an error where the 286 * caller has requested both to forward a result and to receive 287 * a result. 288 * @hide 289 */ 290 public static final int START_FORWARD_AND_REQUEST_CONFLICT = FIRST_START_FATAL_ERROR_CODE + 7; 291 292 /** 293 * Result for IActivityManager.startActivity: an error where the 294 * requested class is not found. 295 * @hide 296 */ 297 public static final int START_CLASS_NOT_FOUND = FIRST_START_FATAL_ERROR_CODE + 8; 298 299 /** 300 * Result for IActivityManager.startActivity: an error where the 301 * given Intent could not be resolved to an activity. 302 * @hide 303 */ 304 public static final int START_INTENT_NOT_RESOLVED = FIRST_START_FATAL_ERROR_CODE + 9; 305 306 /** 307 * Result for IActivityManager.startAssistantActivity: active session is currently hidden. 308 * @hide 309 */ 310 public static final int START_ASSISTANT_HIDDEN_SESSION = FIRST_START_FATAL_ERROR_CODE + 10; 311 312 /** 313 * Result for IActivityManager.startAssistantActivity: active session does not match 314 * the requesting token. 315 * @hide 316 */ 317 public static final int START_ASSISTANT_NOT_ACTIVE_SESSION = FIRST_START_FATAL_ERROR_CODE + 11; 318 319 /** 320 * Result for IActivityManaqer.startActivity: the activity was started 321 * successfully as normal. 322 * @hide 323 */ 324 public static final int START_SUCCESS = FIRST_START_SUCCESS_CODE; 325 326 /** 327 * Result for IActivityManaqer.startActivity: the caller asked that the Intent not 328 * be executed if it is the recipient, and that is indeed the case. 329 * @hide 330 */ 331 public static final int START_RETURN_INTENT_TO_CALLER = FIRST_START_SUCCESS_CODE + 1; 332 333 /** 334 * Result for IActivityManaqer.startActivity: activity wasn't really started, but 335 * a task was simply brought to the foreground. 336 * @hide 337 */ 338 public static final int START_TASK_TO_FRONT = FIRST_START_SUCCESS_CODE + 2; 339 340 /** 341 * Result for IActivityManaqer.startActivity: activity wasn't really started, but 342 * the given Intent was given to the existing top activity. 343 * @hide 344 */ 345 public static final int START_DELIVERED_TO_TOP = FIRST_START_SUCCESS_CODE + 3; 346 347 /** 348 * Result for IActivityManaqer.startActivity: request was canceled because 349 * app switches are temporarily canceled to ensure the user's last request 350 * (such as pressing home) is performed. 351 * @hide 352 */ 353 public static final int START_SWITCHES_CANCELED = FIRST_START_NON_FATAL_ERROR_CODE; 354 355 /** 356 * Result for IActivityManaqer.startActivity: a new activity was attempted to be started 357 * while in Lock Task Mode. 358 * @hide 359 */ 360 public static final int START_RETURN_LOCK_TASK_MODE_VIOLATION = 361 FIRST_START_NON_FATAL_ERROR_CODE + 1; 362 363 /** 364 * Result for IActivityManaqer.startActivity: a new activity start was aborted. Never returned 365 * externally. 366 * @hide 367 */ 368 public static final int START_ABORTED = FIRST_START_NON_FATAL_ERROR_CODE + 2; 369 370 /** 371 * Flag for IActivityManaqer.startActivity: do special start mode where 372 * a new activity is launched only if it is needed. 373 * @hide 374 */ 375 public static final int START_FLAG_ONLY_IF_NEEDED = 1<<0; 376 377 /** 378 * Flag for IActivityManaqer.startActivity: launch the app for 379 * debugging. 380 * @hide 381 */ 382 public static final int START_FLAG_DEBUG = 1<<1; 383 384 /** 385 * Flag for IActivityManaqer.startActivity: launch the app for 386 * allocation tracking. 387 * @hide 388 */ 389 public static final int START_FLAG_TRACK_ALLOCATION = 1<<2; 390 391 /** 392 * Flag for IActivityManaqer.startActivity: launch the app with 393 * native debugging support. 394 * @hide 395 */ 396 public static final int START_FLAG_NATIVE_DEBUGGING = 1<<3; 397 398 /** 399 * Result for IActivityManaqer.broadcastIntent: success! 400 * @hide 401 */ 402 public static final int BROADCAST_SUCCESS = 0; 403 404 /** 405 * Result for IActivityManaqer.broadcastIntent: attempt to broadcast 406 * a sticky intent without appropriate permission. 407 * @hide 408 */ 409 public static final int BROADCAST_STICKY_CANT_HAVE_PERMISSION = -1; 410 411 /** 412 * Result for IActivityManager.broadcastIntent: trying to send a broadcast 413 * to a stopped user. Fail. 414 * @hide 415 */ 416 public static final int BROADCAST_FAILED_USER_STOPPED = -2; 417 418 /** 419 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 420 * for a sendBroadcast operation. 421 * @hide 422 */ 423 public static final int INTENT_SENDER_BROADCAST = 1; 424 425 /** 426 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 427 * for a startActivity operation. 428 * @hide 429 */ 430 public static final int INTENT_SENDER_ACTIVITY = 2; 431 432 /** 433 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 434 * for an activity result operation. 435 * @hide 436 */ 437 public static final int INTENT_SENDER_ACTIVITY_RESULT = 3; 438 439 /** 440 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 441 * for a startService operation. 442 * @hide 443 */ 444 public static final int INTENT_SENDER_SERVICE = 4; 445 446 /** 447 * Type for IActivityManaqer.getIntentSender: this PendingIntent is 448 * for a startForegroundService operation. 449 * @hide 450 */ 451 public static final int INTENT_SENDER_FOREGROUND_SERVICE = 5; 452 453 /** @hide User operation call: success! */ 454 public static final int USER_OP_SUCCESS = 0; 455 456 /** @hide User operation call: given user id is not known. */ 457 public static final int USER_OP_UNKNOWN_USER = -1; 458 459 /** @hide User operation call: given user id is the current user, can't be stopped. */ 460 public static final int USER_OP_IS_CURRENT = -2; 461 462 /** @hide User operation call: system user can't be stopped. */ 463 public static final int USER_OP_ERROR_IS_SYSTEM = -3; 464 465 /** @hide User operation call: one of related users cannot be stopped. */ 466 public static final int USER_OP_ERROR_RELATED_USERS_CANNOT_STOP = -4; 467 468 /** 469 * @hide 470 * Process states, describing the kind of state a particular process is in. 471 * When updating these, make sure to also check all related references to the 472 * constant in code, and update these arrays: 473 * 474 * @see com.android.internal.app.procstats.ProcessState#PROCESS_STATE_TO_STATE 475 * @see com.android.server.am.ProcessList#sProcStateToProcMem 476 * @see com.android.server.am.ProcessList#sFirstAwakePssTimes 477 * @see com.android.server.am.ProcessList#sSameAwakePssTimes 478 * @see com.android.server.am.ProcessList#sTestFirstPssTimes 479 * @see com.android.server.am.ProcessList#sTestSamePssTimes 480 */ 481 482 /** @hide Not a real process state. */ 483 public static final int PROCESS_STATE_UNKNOWN = -1; 484 485 /** @hide Process is a persistent system process. */ 486 public static final int PROCESS_STATE_PERSISTENT = 0; 487 488 /** @hide Process is a persistent system process and is doing UI. */ 489 public static final int PROCESS_STATE_PERSISTENT_UI = 1; 490 491 /** @hide Process is hosting the current top activities. Note that this covers 492 * all activities that are visible to the user. */ 493 public static final int PROCESS_STATE_TOP = 2; 494 495 /** @hide Process is hosting a foreground service. */ 496 public static final int PROCESS_STATE_FOREGROUND_SERVICE = 3; 497 498 /** @hide Process is hosting a foreground service due to a system binding. */ 499 public static final int PROCESS_STATE_BOUND_FOREGROUND_SERVICE = 4; 500 501 /** @hide Process is important to the user, and something they are aware of. */ 502 public static final int PROCESS_STATE_IMPORTANT_FOREGROUND = 5; 503 504 /** @hide Process is important to the user, but not something they are aware of. */ 505 public static final int PROCESS_STATE_IMPORTANT_BACKGROUND = 6; 506 507 /** @hide Process is in the background transient so we will try to keep running. */ 508 public static final int PROCESS_STATE_TRANSIENT_BACKGROUND = 7; 509 510 /** @hide Process is in the background running a backup/restore operation. */ 511 public static final int PROCESS_STATE_BACKUP = 8; 512 513 /** @hide Process is in the background running a service. Unlike oom_adj, this level 514 * is used for both the normal running in background state and the executing 515 * operations state. */ 516 public static final int PROCESS_STATE_SERVICE = 9; 517 518 /** @hide Process is in the background running a receiver. Note that from the 519 * perspective of oom_adj, receivers run at a higher foreground level, but for our 520 * prioritization here that is not necessary and putting them below services means 521 * many fewer changes in some process states as they receive broadcasts. */ 522 public static final int PROCESS_STATE_RECEIVER = 10; 523 524 /** @hide Same as {@link #PROCESS_STATE_TOP} but while device is sleeping. */ 525 public static final int PROCESS_STATE_TOP_SLEEPING = 11; 526 527 /** @hide Process is in the background, but it can't restore its state so we want 528 * to try to avoid killing it. */ 529 public static final int PROCESS_STATE_HEAVY_WEIGHT = 12; 530 531 /** @hide Process is in the background but hosts the home activity. */ 532 public static final int PROCESS_STATE_HOME = 13; 533 534 /** @hide Process is in the background but hosts the last shown activity. */ 535 public static final int PROCESS_STATE_LAST_ACTIVITY = 14; 536 537 /** @hide Process is being cached for later use and contains activities. */ 538 public static final int PROCESS_STATE_CACHED_ACTIVITY = 15; 539 540 /** @hide Process is being cached for later use and is a client of another cached 541 * process that contains activities. */ 542 public static final int PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 16; 543 544 /** @hide Process is being cached for later use and has an activity that corresponds 545 * to an existing recent task. */ 546 public static final int PROCESS_STATE_CACHED_RECENT = 17; 547 548 /** @hide Process is being cached for later use and is empty. */ 549 public static final int PROCESS_STATE_CACHED_EMPTY = 18; 550 551 /** @hide Process does not exist. */ 552 public static final int PROCESS_STATE_NONEXISTENT = 19; 553 554 // NOTE: If PROCESS_STATEs are added, then new fields must be added 555 // to frameworks/base/core/proto/android/app/enums.proto and the following method must 556 // be updated to correctly map between them. 557 // However, if the current ActivityManager values are merely modified, no update should be made 558 // to enums.proto, to which values can only be added but never modified. Note that the proto 559 // versions do NOT have the ordering restrictions of the ActivityManager process state. 560 /** 561 * Maps ActivityManager.PROCESS_STATE_ values to enums.proto ProcessStateEnum value. 562 * 563 * @param amInt a process state of the form ActivityManager.PROCESS_STATE_ 564 * @return the value of the corresponding enums.proto ProcessStateEnum value. 565 * @hide 566 */ 567 public static final int processStateAmToProto(int amInt) { 568 switch (amInt) { 569 case PROCESS_STATE_UNKNOWN: 570 return AppProtoEnums.PROCESS_STATE_UNKNOWN; 571 case PROCESS_STATE_PERSISTENT: 572 return AppProtoEnums.PROCESS_STATE_PERSISTENT; 573 case PROCESS_STATE_PERSISTENT_UI: 574 return AppProtoEnums.PROCESS_STATE_PERSISTENT_UI; 575 case PROCESS_STATE_TOP: 576 return AppProtoEnums.PROCESS_STATE_TOP; 577 case PROCESS_STATE_FOREGROUND_SERVICE: 578 return AppProtoEnums.PROCESS_STATE_FOREGROUND_SERVICE; 579 case PROCESS_STATE_BOUND_FOREGROUND_SERVICE: 580 return AppProtoEnums.PROCESS_STATE_BOUND_FOREGROUND_SERVICE; 581 case PROCESS_STATE_IMPORTANT_FOREGROUND: 582 return AppProtoEnums.PROCESS_STATE_IMPORTANT_FOREGROUND; 583 case PROCESS_STATE_IMPORTANT_BACKGROUND: 584 return AppProtoEnums.PROCESS_STATE_IMPORTANT_BACKGROUND; 585 case PROCESS_STATE_TRANSIENT_BACKGROUND: 586 return AppProtoEnums.PROCESS_STATE_TRANSIENT_BACKGROUND; 587 case PROCESS_STATE_BACKUP: 588 return AppProtoEnums.PROCESS_STATE_BACKUP; 589 case PROCESS_STATE_SERVICE: 590 return AppProtoEnums.PROCESS_STATE_SERVICE; 591 case PROCESS_STATE_RECEIVER: 592 return AppProtoEnums.PROCESS_STATE_RECEIVER; 593 case PROCESS_STATE_TOP_SLEEPING: 594 return AppProtoEnums.PROCESS_STATE_TOP_SLEEPING; 595 case PROCESS_STATE_HEAVY_WEIGHT: 596 return AppProtoEnums.PROCESS_STATE_HEAVY_WEIGHT; 597 case PROCESS_STATE_HOME: 598 return AppProtoEnums.PROCESS_STATE_HOME; 599 case PROCESS_STATE_LAST_ACTIVITY: 600 return AppProtoEnums.PROCESS_STATE_LAST_ACTIVITY; 601 case PROCESS_STATE_CACHED_ACTIVITY: 602 return AppProtoEnums.PROCESS_STATE_CACHED_ACTIVITY; 603 case PROCESS_STATE_CACHED_ACTIVITY_CLIENT: 604 return AppProtoEnums.PROCESS_STATE_CACHED_ACTIVITY_CLIENT; 605 case PROCESS_STATE_CACHED_RECENT: 606 return AppProtoEnums.PROCESS_STATE_CACHED_RECENT; 607 case PROCESS_STATE_CACHED_EMPTY: 608 return AppProtoEnums.PROCESS_STATE_CACHED_EMPTY; 609 case PROCESS_STATE_NONEXISTENT: 610 return AppProtoEnums.PROCESS_STATE_NONEXISTENT; 611 default: 612 // ActivityManager process state (amInt) 613 // could not be mapped to an AppProtoEnums ProcessState state. 614 return AppProtoEnums.PROCESS_STATE_UNKNOWN_TO_PROTO; 615 } 616 } 617 618 /** @hide The lowest process state number */ 619 public static final int MIN_PROCESS_STATE = PROCESS_STATE_PERSISTENT; 620 621 /** @hide The highest process state number */ 622 public static final int MAX_PROCESS_STATE = PROCESS_STATE_NONEXISTENT; 623 624 /** @hide Should this process state be considered a background state? */ 625 public static final boolean isProcStateBackground(int procState) { 626 return procState >= PROCESS_STATE_TRANSIENT_BACKGROUND; 627 } 628 629 /** @hide requestType for assist context: only basic information. */ 630 public static final int ASSIST_CONTEXT_BASIC = 0; 631 632 /** @hide requestType for assist context: generate full AssistStructure. */ 633 public static final int ASSIST_CONTEXT_FULL = 1; 634 635 /** @hide requestType for assist context: generate full AssistStructure for autofill. */ 636 public static final int ASSIST_CONTEXT_AUTOFILL = 2; 637 638 /** @hide Flag for registerUidObserver: report changes in process state. */ 639 public static final int UID_OBSERVER_PROCSTATE = 1<<0; 640 641 /** @hide Flag for registerUidObserver: report uid gone. */ 642 public static final int UID_OBSERVER_GONE = 1<<1; 643 644 /** @hide Flag for registerUidObserver: report uid has become idle. */ 645 public static final int UID_OBSERVER_IDLE = 1<<2; 646 647 /** @hide Flag for registerUidObserver: report uid has become active. */ 648 public static final int UID_OBSERVER_ACTIVE = 1<<3; 649 650 /** @hide Flag for registerUidObserver: report uid cached state has changed. */ 651 public static final int UID_OBSERVER_CACHED = 1<<4; 652 653 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: normal free-to-run operation. */ 654 public static final int APP_START_MODE_NORMAL = 0; 655 656 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: delay running until later. */ 657 public static final int APP_START_MODE_DELAYED = 1; 658 659 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: delay running until later, with 660 * rigid errors (throwing exception). */ 661 public static final int APP_START_MODE_DELAYED_RIGID = 2; 662 663 /** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: disable/cancel pending 664 * launches; this is the mode for ephemeral apps. */ 665 public static final int APP_START_MODE_DISABLED = 3; 666 667 /** 668 * Lock task mode is not active. 669 */ 670 public static final int LOCK_TASK_MODE_NONE = 0; 671 672 /** 673 * Full lock task mode is active. 674 */ 675 public static final int LOCK_TASK_MODE_LOCKED = 1; 676 677 /** 678 * App pinning mode is active. 679 */ 680 public static final int LOCK_TASK_MODE_PINNED = 2; 681 682 Point mAppTaskThumbnailSize; 683 684 /*package*/ ActivityManager(Context context, Handler handler) { 685 mContext = context; 686 } 687 688 /** 689 * Returns whether the launch was successful. 690 * @hide 691 */ 692 public static final boolean isStartResultSuccessful(int result) { 693 return FIRST_START_SUCCESS_CODE <= result && result <= LAST_START_SUCCESS_CODE; 694 } 695 696 /** 697 * Returns whether the launch result was a fatal error. 698 * @hide 699 */ 700 public static final boolean isStartResultFatalError(int result) { 701 return FIRST_START_FATAL_ERROR_CODE <= result && result <= LAST_START_FATAL_ERROR_CODE; 702 } 703 704 /** 705 * Screen compatibility mode: the application most always run in 706 * compatibility mode. 707 * @hide 708 */ 709 public static final int COMPAT_MODE_ALWAYS = -1; 710 711 /** 712 * Screen compatibility mode: the application can never run in 713 * compatibility mode. 714 * @hide 715 */ 716 public static final int COMPAT_MODE_NEVER = -2; 717 718 /** 719 * Screen compatibility mode: unknown. 720 * @hide 721 */ 722 public static final int COMPAT_MODE_UNKNOWN = -3; 723 724 /** 725 * Screen compatibility mode: the application currently has compatibility 726 * mode disabled. 727 * @hide 728 */ 729 public static final int COMPAT_MODE_DISABLED = 0; 730 731 /** 732 * Screen compatibility mode: the application currently has compatibility 733 * mode enabled. 734 * @hide 735 */ 736 public static final int COMPAT_MODE_ENABLED = 1; 737 738 /** 739 * Screen compatibility mode: request to toggle the application's 740 * compatibility mode. 741 * @hide 742 */ 743 public static final int COMPAT_MODE_TOGGLE = 2; 744 745 private static final boolean DEVELOPMENT_FORCE_LOW_RAM = 746 SystemProperties.getBoolean("debug.force_low_ram", false); 747 748 /** @hide */ 749 @TestApi 750 public static class StackId { 751 752 private StackId() { 753 } 754 755 /** Invalid stack ID. */ 756 public static final int INVALID_STACK_ID = -1; 757 758 } 759 760 /** 761 * Parameter to {@link android.app.IActivityManager#setTaskWindowingModeSplitScreenPrimary} 762 * which specifies the position of the created docked stack at the top half of the screen if 763 * in portrait mode or at the left half of the screen if in landscape mode. 764 * @hide 765 */ 766 @TestApi 767 public static final int SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT = 0; 768 769 /** 770 * Parameter to {@link android.app.IActivityManager#setTaskWindowingModeSplitScreenPrimary} 771 * which 772 * specifies the position of the created docked stack at the bottom half of the screen if 773 * in portrait mode or at the right half of the screen if in landscape mode. 774 * @hide 775 */ 776 @TestApi 777 public static final int SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT = 1; 778 779 /** 780 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 781 * that the resize doesn't need to preserve the window, and can be skipped if bounds 782 * is unchanged. This mode is used by window manager in most cases. 783 * @hide 784 */ 785 public static final int RESIZE_MODE_SYSTEM = 0; 786 787 /** 788 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 789 * that the resize should preserve the window if possible. 790 * @hide 791 */ 792 public static final int RESIZE_MODE_PRESERVE_WINDOW = (0x1 << 0); 793 794 /** 795 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 796 * that the resize should be performed even if the bounds appears unchanged. 797 * @hide 798 */ 799 public static final int RESIZE_MODE_FORCED = (0x1 << 1); 800 801 /** 802 * Input parameter to {@link android.app.IActivityManager#resizeTask} used by window 803 * manager during a screen rotation. 804 * @hide 805 */ 806 public static final int RESIZE_MODE_SYSTEM_SCREEN_ROTATION = RESIZE_MODE_PRESERVE_WINDOW; 807 808 /** 809 * Input parameter to {@link android.app.IActivityManager#resizeTask} used when the 810 * resize is due to a drag action. 811 * @hide 812 */ 813 public static final int RESIZE_MODE_USER = RESIZE_MODE_PRESERVE_WINDOW; 814 815 /** 816 * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates 817 * that the resize should preserve the window if possible, and should not be skipped 818 * even if the bounds is unchanged. Usually used to force a resizing when a drag action 819 * is ending. 820 * @hide 821 */ 822 public static final int RESIZE_MODE_USER_FORCED = 823 RESIZE_MODE_PRESERVE_WINDOW | RESIZE_MODE_FORCED; 824 825 /** @hide */ 826 public int getFrontActivityScreenCompatMode() { 827 try { 828 return getService().getFrontActivityScreenCompatMode(); 829 } catch (RemoteException e) { 830 throw e.rethrowFromSystemServer(); 831 } 832 } 833 834 /** @hide */ 835 public void setFrontActivityScreenCompatMode(int mode) { 836 try { 837 getService().setFrontActivityScreenCompatMode(mode); 838 } catch (RemoteException e) { 839 throw e.rethrowFromSystemServer(); 840 } 841 } 842 843 /** @hide */ 844 public int getPackageScreenCompatMode(String packageName) { 845 try { 846 return getService().getPackageScreenCompatMode(packageName); 847 } catch (RemoteException e) { 848 throw e.rethrowFromSystemServer(); 849 } 850 } 851 852 /** @hide */ 853 public void setPackageScreenCompatMode(String packageName, int mode) { 854 try { 855 getService().setPackageScreenCompatMode(packageName, mode); 856 } catch (RemoteException e) { 857 throw e.rethrowFromSystemServer(); 858 } 859 } 860 861 /** @hide */ 862 public boolean getPackageAskScreenCompat(String packageName) { 863 try { 864 return getService().getPackageAskScreenCompat(packageName); 865 } catch (RemoteException e) { 866 throw e.rethrowFromSystemServer(); 867 } 868 } 869 870 /** @hide */ 871 public void setPackageAskScreenCompat(String packageName, boolean ask) { 872 try { 873 getService().setPackageAskScreenCompat(packageName, ask); 874 } catch (RemoteException e) { 875 throw e.rethrowFromSystemServer(); 876 } 877 } 878 879 /** 880 * Return the approximate per-application memory class of the current 881 * device. This gives you an idea of how hard a memory limit you should 882 * impose on your application to let the overall system work best. The 883 * returned value is in megabytes; the baseline Android memory class is 884 * 16 (which happens to be the Java heap limit of those devices); some 885 * devices with more memory may return 24 or even higher numbers. 886 */ 887 public int getMemoryClass() { 888 return staticGetMemoryClass(); 889 } 890 891 /** @hide */ 892 static public int staticGetMemoryClass() { 893 // Really brain dead right now -- just take this from the configured 894 // vm heap size, and assume it is in megabytes and thus ends with "m". 895 String vmHeapSize = SystemProperties.get("dalvik.vm.heapgrowthlimit", ""); 896 if (vmHeapSize != null && !"".equals(vmHeapSize)) { 897 return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); 898 } 899 return staticGetLargeMemoryClass(); 900 } 901 902 /** 903 * Return the approximate per-application memory class of the current 904 * device when an application is running with a large heap. This is the 905 * space available for memory-intensive applications; most applications 906 * should not need this amount of memory, and should instead stay with the 907 * {@link #getMemoryClass()} limit. The returned value is in megabytes. 908 * This may be the same size as {@link #getMemoryClass()} on memory 909 * constrained devices, or it may be significantly larger on devices with 910 * a large amount of available RAM. 911 * 912 * <p>This is the size of the application's Dalvik heap if it has 913 * specified <code>android:largeHeap="true"</code> in its manifest. 914 */ 915 public int getLargeMemoryClass() { 916 return staticGetLargeMemoryClass(); 917 } 918 919 /** @hide */ 920 static public int staticGetLargeMemoryClass() { 921 // Really brain dead right now -- just take this from the configured 922 // vm heap size, and assume it is in megabytes and thus ends with "m". 923 String vmHeapSize = SystemProperties.get("dalvik.vm.heapsize", "16m"); 924 return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length() - 1)); 925 } 926 927 /** 928 * Returns true if this is a low-RAM device. Exactly whether a device is low-RAM 929 * is ultimately up to the device configuration, but currently it generally means 930 * something with 1GB or less of RAM. This is mostly intended to be used by apps 931 * to determine whether they should turn off certain features that require more RAM. 932 */ 933 public boolean isLowRamDevice() { 934 return isLowRamDeviceStatic(); 935 } 936 937 /** @hide */ 938 public static boolean isLowRamDeviceStatic() { 939 return RoSystemProperties.CONFIG_LOW_RAM || 940 (Build.IS_DEBUGGABLE && DEVELOPMENT_FORCE_LOW_RAM); 941 } 942 943 /** 944 * Returns true if this is a small battery device. Exactly whether a device is considered to be 945 * small battery is ultimately up to the device configuration, but currently it generally means 946 * something in the class of a device with 1000 mAh or less. This is mostly intended to be used 947 * to determine whether certain features should be altered to account for a drastically smaller 948 * battery. 949 * @hide 950 */ 951 public static boolean isSmallBatteryDevice() { 952 return RoSystemProperties.CONFIG_SMALL_BATTERY; 953 } 954 955 /** 956 * Used by persistent processes to determine if they are running on a 957 * higher-end device so should be okay using hardware drawing acceleration 958 * (which tends to consume a lot more RAM). 959 * @hide 960 */ 961 static public boolean isHighEndGfx() { 962 return !isLowRamDeviceStatic() && 963 !Resources.getSystem().getBoolean(com.android.internal.R.bool.config_avoidGfxAccel); 964 } 965 966 /** 967 * Return the total number of bytes of RAM this device has. 968 * @hide 969 */ 970 @TestApi 971 public long getTotalRam() { 972 MemInfoReader memreader = new MemInfoReader(); 973 memreader.readMemInfo(); 974 return memreader.getTotalSize(); 975 } 976 977 /** 978 * Return the maximum number of recents entries that we will maintain and show. 979 * @hide 980 */ 981 static public int getMaxRecentTasksStatic() { 982 if (gMaxRecentTasks < 0) { 983 return gMaxRecentTasks = isLowRamDeviceStatic() ? 36 : 48; 984 } 985 return gMaxRecentTasks; 986 } 987 988 /** 989 * Return the default limit on the number of recents that an app can make. 990 * @hide 991 */ 992 static public int getDefaultAppRecentsLimitStatic() { 993 return getMaxRecentTasksStatic() / 6; 994 } 995 996 /** 997 * Return the maximum limit on the number of recents that an app can make. 998 * @hide 999 */ 1000 static public int getMaxAppRecentsLimitStatic() { 1001 return getMaxRecentTasksStatic() / 2; 1002 } 1003 1004 /** 1005 * Returns true if the system supports at least one form of multi-window. 1006 * E.g. freeform, split-screen, picture-in-picture. 1007 * @hide 1008 */ 1009 @TestApi 1010 static public boolean supportsMultiWindow(Context context) { 1011 // On watches, multi-window is used to present essential system UI, and thus it must be 1012 // supported regardless of device memory characteristics. 1013 boolean isWatch = context.getPackageManager().hasSystemFeature( 1014 PackageManager.FEATURE_WATCH); 1015 return (!isLowRamDeviceStatic() || isWatch) 1016 && Resources.getSystem().getBoolean( 1017 com.android.internal.R.bool.config_supportsMultiWindow); 1018 } 1019 1020 /** 1021 * Returns true if the system supports split screen multi-window. 1022 * @hide 1023 */ 1024 @TestApi 1025 static public boolean supportsSplitScreenMultiWindow(Context context) { 1026 return supportsMultiWindow(context) 1027 && Resources.getSystem().getBoolean( 1028 com.android.internal.R.bool.config_supportsSplitScreenMultiWindow); 1029 } 1030 1031 /** @removed */ 1032 @Deprecated 1033 public static int getMaxNumPictureInPictureActions() { 1034 return 3; 1035 } 1036 1037 /** 1038 * Information you can set and retrieve about the current activity within the recent task list. 1039 */ 1040 public static class TaskDescription implements Parcelable { 1041 /** @hide */ 1042 public static final String ATTR_TASKDESCRIPTION_PREFIX = "task_description_"; 1043 private static final String ATTR_TASKDESCRIPTIONLABEL = 1044 ATTR_TASKDESCRIPTION_PREFIX + "label"; 1045 private static final String ATTR_TASKDESCRIPTIONCOLOR_PRIMARY = 1046 ATTR_TASKDESCRIPTION_PREFIX + "color"; 1047 private static final String ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND = 1048 ATTR_TASKDESCRIPTION_PREFIX + "colorBackground"; 1049 private static final String ATTR_TASKDESCRIPTIONICON_FILENAME = 1050 ATTR_TASKDESCRIPTION_PREFIX + "icon_filename"; 1051 private static final String ATTR_TASKDESCRIPTIONICON_RESOURCE = 1052 ATTR_TASKDESCRIPTION_PREFIX + "icon_resource"; 1053 1054 private String mLabel; 1055 private Bitmap mIcon; 1056 private int mIconRes; 1057 private String mIconFilename; 1058 private int mColorPrimary; 1059 private int mColorBackground; 1060 private int mStatusBarColor; 1061 private int mNavigationBarColor; 1062 1063 /** 1064 * Creates the TaskDescription to the specified values. 1065 * 1066 * @param label A label and description of the current state of this task. 1067 * @param icon An icon that represents the current state of this task. 1068 * @param colorPrimary A color to override the theme's primary color. This color must be 1069 * opaque. 1070 * @deprecated use TaskDescription constructor with icon resource instead 1071 */ 1072 @Deprecated 1073 public TaskDescription(String label, Bitmap icon, int colorPrimary) { 1074 this(label, icon, 0, null, colorPrimary, 0, 0, 0); 1075 if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) { 1076 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1077 } 1078 } 1079 1080 /** 1081 * Creates the TaskDescription to the specified values. 1082 * 1083 * @param label A label and description of the current state of this task. 1084 * @param iconRes A drawable resource of an icon that represents the current state of this 1085 * activity. 1086 * @param colorPrimary A color to override the theme's primary color. This color must be 1087 * opaque. 1088 */ 1089 public TaskDescription(String label, @DrawableRes int iconRes, int colorPrimary) { 1090 this(label, null, iconRes, null, colorPrimary, 0, 0, 0); 1091 if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) { 1092 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1093 } 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 icon An icon that represents the current state of this activity. 1101 * @deprecated use TaskDescription constructor with icon resource instead 1102 */ 1103 @Deprecated 1104 public TaskDescription(String label, Bitmap icon) { 1105 this(label, icon, 0, null, 0, 0, 0, 0); 1106 } 1107 1108 /** 1109 * Creates the TaskDescription to the specified values. 1110 * 1111 * @param label A label and description of the current state of this activity. 1112 * @param iconRes A drawable resource of an icon that represents the current state of this 1113 * activity. 1114 */ 1115 public TaskDescription(String label, @DrawableRes int iconRes) { 1116 this(label, null, iconRes, null, 0, 0, 0, 0); 1117 } 1118 1119 /** 1120 * Creates the TaskDescription to the specified values. 1121 * 1122 * @param label A label and description of the current state of this activity. 1123 */ 1124 public TaskDescription(String label) { 1125 this(label, null, 0, null, 0, 0, 0, 0); 1126 } 1127 1128 /** 1129 * Creates an empty TaskDescription. 1130 */ 1131 public TaskDescription() { 1132 this(null, null, 0, null, 0, 0, 0, 0); 1133 } 1134 1135 /** @hide */ 1136 public TaskDescription(String label, Bitmap bitmap, int iconRes, String iconFilename, 1137 int colorPrimary, int colorBackground, int statusBarColor, int navigationBarColor) { 1138 mLabel = label; 1139 mIcon = bitmap; 1140 mIconRes = iconRes; 1141 mIconFilename = iconFilename; 1142 mColorPrimary = colorPrimary; 1143 mColorBackground = colorBackground; 1144 mStatusBarColor = statusBarColor; 1145 mNavigationBarColor = navigationBarColor; 1146 } 1147 1148 /** 1149 * Creates a copy of another TaskDescription. 1150 */ 1151 public TaskDescription(TaskDescription td) { 1152 copyFrom(td); 1153 } 1154 1155 /** 1156 * Copies this the values from another TaskDescription. 1157 * @hide 1158 */ 1159 public void copyFrom(TaskDescription other) { 1160 mLabel = other.mLabel; 1161 mIcon = other.mIcon; 1162 mIconRes = other.mIconRes; 1163 mIconFilename = other.mIconFilename; 1164 mColorPrimary = other.mColorPrimary; 1165 mColorBackground = other.mColorBackground; 1166 mStatusBarColor = other.mStatusBarColor; 1167 mNavigationBarColor = other.mNavigationBarColor; 1168 } 1169 1170 /** 1171 * Copies this the values from another TaskDescription, but preserves the hidden fields 1172 * if they weren't set on {@code other} 1173 * @hide 1174 */ 1175 public void copyFromPreserveHiddenFields(TaskDescription other) { 1176 mLabel = other.mLabel; 1177 mIcon = other.mIcon; 1178 mIconRes = other.mIconRes; 1179 mIconFilename = other.mIconFilename; 1180 mColorPrimary = other.mColorPrimary; 1181 if (other.mColorBackground != 0) { 1182 mColorBackground = other.mColorBackground; 1183 } 1184 if (other.mStatusBarColor != 0) { 1185 mStatusBarColor = other.mStatusBarColor; 1186 } 1187 if (other.mNavigationBarColor != 0) { 1188 mNavigationBarColor = other.mNavigationBarColor; 1189 } 1190 } 1191 1192 private TaskDescription(Parcel source) { 1193 readFromParcel(source); 1194 } 1195 1196 /** 1197 * Sets the label for this task description. 1198 * @hide 1199 */ 1200 public void setLabel(String label) { 1201 mLabel = label; 1202 } 1203 1204 /** 1205 * Sets the primary color for this task description. 1206 * @hide 1207 */ 1208 public void setPrimaryColor(int primaryColor) { 1209 // Ensure that the given color is valid 1210 if ((primaryColor != 0) && (Color.alpha(primaryColor) != 255)) { 1211 throw new RuntimeException("A TaskDescription's primary color should be opaque"); 1212 } 1213 mColorPrimary = primaryColor; 1214 } 1215 1216 /** 1217 * Sets the background color for this task description. 1218 * @hide 1219 */ 1220 public void setBackgroundColor(int backgroundColor) { 1221 // Ensure that the given color is valid 1222 if ((backgroundColor != 0) && (Color.alpha(backgroundColor) != 255)) { 1223 throw new RuntimeException("A TaskDescription's background color should be opaque"); 1224 } 1225 mColorBackground = backgroundColor; 1226 } 1227 1228 /** 1229 * @hide 1230 */ 1231 public void setStatusBarColor(int statusBarColor) { 1232 mStatusBarColor = statusBarColor; 1233 } 1234 1235 /** 1236 * @hide 1237 */ 1238 public void setNavigationBarColor(int navigationBarColor) { 1239 mNavigationBarColor = navigationBarColor; 1240 } 1241 1242 /** 1243 * Sets the icon for this task description. 1244 * @hide 1245 */ 1246 public void setIcon(Bitmap icon) { 1247 mIcon = icon; 1248 } 1249 1250 /** 1251 * Sets the icon resource for this task description. 1252 * @hide 1253 */ 1254 public void setIcon(int iconRes) { 1255 mIconRes = iconRes; 1256 } 1257 1258 /** 1259 * Moves the icon bitmap reference from an actual Bitmap to a file containing the 1260 * bitmap. 1261 * @hide 1262 */ 1263 public void setIconFilename(String iconFilename) { 1264 mIconFilename = iconFilename; 1265 mIcon = null; 1266 } 1267 1268 /** 1269 * @return The label and description of the current state of this task. 1270 */ 1271 public String getLabel() { 1272 return mLabel; 1273 } 1274 1275 /** 1276 * @return The icon that represents the current state of this task. 1277 */ 1278 public Bitmap getIcon() { 1279 if (mIcon != null) { 1280 return mIcon; 1281 } 1282 return loadTaskDescriptionIcon(mIconFilename, UserHandle.myUserId()); 1283 } 1284 1285 /** @hide */ 1286 @TestApi 1287 public int getIconResource() { 1288 return mIconRes; 1289 } 1290 1291 /** @hide */ 1292 @TestApi 1293 public String getIconFilename() { 1294 return mIconFilename; 1295 } 1296 1297 /** @hide */ 1298 public Bitmap getInMemoryIcon() { 1299 return mIcon; 1300 } 1301 1302 /** @hide */ 1303 public static Bitmap loadTaskDescriptionIcon(String iconFilename, int userId) { 1304 if (iconFilename != null) { 1305 try { 1306 return getService().getTaskDescriptionIcon(iconFilename, 1307 userId); 1308 } catch (RemoteException e) { 1309 throw e.rethrowFromSystemServer(); 1310 } 1311 } 1312 return null; 1313 } 1314 1315 /** 1316 * @return The color override on the theme's primary color. 1317 */ 1318 public int getPrimaryColor() { 1319 return mColorPrimary; 1320 } 1321 1322 /** 1323 * @return The background color. 1324 * @hide 1325 */ 1326 public int getBackgroundColor() { 1327 return mColorBackground; 1328 } 1329 1330 /** 1331 * @hide 1332 */ 1333 public int getStatusBarColor() { 1334 return mStatusBarColor; 1335 } 1336 1337 /** 1338 * @hide 1339 */ 1340 public int getNavigationBarColor() { 1341 return mNavigationBarColor; 1342 } 1343 1344 /** @hide */ 1345 public void saveToXml(XmlSerializer out) throws IOException { 1346 if (mLabel != null) { 1347 out.attribute(null, ATTR_TASKDESCRIPTIONLABEL, mLabel); 1348 } 1349 if (mColorPrimary != 0) { 1350 out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_PRIMARY, 1351 Integer.toHexString(mColorPrimary)); 1352 } 1353 if (mColorBackground != 0) { 1354 out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND, 1355 Integer.toHexString(mColorBackground)); 1356 } 1357 if (mIconFilename != null) { 1358 out.attribute(null, ATTR_TASKDESCRIPTIONICON_FILENAME, mIconFilename); 1359 } 1360 if (mIconRes != 0) { 1361 out.attribute(null, ATTR_TASKDESCRIPTIONICON_RESOURCE, Integer.toString(mIconRes)); 1362 } 1363 } 1364 1365 /** @hide */ 1366 public void restoreFromXml(String attrName, String attrValue) { 1367 if (ATTR_TASKDESCRIPTIONLABEL.equals(attrName)) { 1368 setLabel(attrValue); 1369 } else if (ATTR_TASKDESCRIPTIONCOLOR_PRIMARY.equals(attrName)) { 1370 setPrimaryColor((int) Long.parseLong(attrValue, 16)); 1371 } else if (ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND.equals(attrName)) { 1372 setBackgroundColor((int) Long.parseLong(attrValue, 16)); 1373 } else if (ATTR_TASKDESCRIPTIONICON_FILENAME.equals(attrName)) { 1374 setIconFilename(attrValue); 1375 } else if (ATTR_TASKDESCRIPTIONICON_RESOURCE.equals(attrName)) { 1376 setIcon(Integer.parseInt(attrValue, 10)); 1377 } 1378 } 1379 1380 @Override 1381 public int describeContents() { 1382 return 0; 1383 } 1384 1385 @Override 1386 public void writeToParcel(Parcel dest, int flags) { 1387 if (mLabel == null) { 1388 dest.writeInt(0); 1389 } else { 1390 dest.writeInt(1); 1391 dest.writeString(mLabel); 1392 } 1393 if (mIcon == null) { 1394 dest.writeInt(0); 1395 } else { 1396 dest.writeInt(1); 1397 mIcon.writeToParcel(dest, 0); 1398 } 1399 dest.writeInt(mIconRes); 1400 dest.writeInt(mColorPrimary); 1401 dest.writeInt(mColorBackground); 1402 dest.writeInt(mStatusBarColor); 1403 dest.writeInt(mNavigationBarColor); 1404 if (mIconFilename == null) { 1405 dest.writeInt(0); 1406 } else { 1407 dest.writeInt(1); 1408 dest.writeString(mIconFilename); 1409 } 1410 } 1411 1412 public void readFromParcel(Parcel source) { 1413 mLabel = source.readInt() > 0 ? source.readString() : null; 1414 mIcon = source.readInt() > 0 ? Bitmap.CREATOR.createFromParcel(source) : null; 1415 mIconRes = source.readInt(); 1416 mColorPrimary = source.readInt(); 1417 mColorBackground = source.readInt(); 1418 mStatusBarColor = source.readInt(); 1419 mNavigationBarColor = source.readInt(); 1420 mIconFilename = source.readInt() > 0 ? source.readString() : null; 1421 } 1422 1423 public static final Creator<TaskDescription> CREATOR 1424 = new Creator<TaskDescription>() { 1425 public TaskDescription createFromParcel(Parcel source) { 1426 return new TaskDescription(source); 1427 } 1428 public TaskDescription[] newArray(int size) { 1429 return new TaskDescription[size]; 1430 } 1431 }; 1432 1433 @Override 1434 public String toString() { 1435 return "TaskDescription Label: " + mLabel + " Icon: " + mIcon + 1436 " IconRes: " + mIconRes + " IconFilename: " + mIconFilename + 1437 " colorPrimary: " + mColorPrimary + " colorBackground: " + mColorBackground + 1438 " statusBarColor: " + mColorBackground + 1439 " navigationBarColor: " + mNavigationBarColor; 1440 } 1441 } 1442 1443 /** 1444 * Information you can retrieve about tasks that the user has most recently 1445 * started or visited. 1446 */ 1447 public static class RecentTaskInfo implements Parcelable { 1448 /** 1449 * If this task is currently running, this is the identifier for it. 1450 * If it is not running, this will be -1. 1451 */ 1452 public int id; 1453 1454 /** 1455 * The true identifier of this task, valid even if it is not running. 1456 */ 1457 public int persistentId; 1458 1459 /** 1460 * The original Intent used to launch the task. You can use this 1461 * Intent to re-launch the task (if it is no longer running) or bring 1462 * the current task to the front. 1463 */ 1464 public Intent baseIntent; 1465 1466 /** 1467 * If this task was started from an alias, this is the actual 1468 * activity component that was initially started; the component of 1469 * the baseIntent in this case is the name of the actual activity 1470 * implementation that the alias referred to. Otherwise, this is null. 1471 */ 1472 public ComponentName origActivity; 1473 1474 /** 1475 * The actual activity component that started the task. 1476 * @hide 1477 */ 1478 @Nullable 1479 public ComponentName realActivity; 1480 1481 /** 1482 * Description of the task's last state. 1483 */ 1484 public CharSequence description; 1485 1486 /** 1487 * The id of the ActivityStack this Task was on most recently. 1488 * @hide 1489 */ 1490 public int stackId; 1491 1492 /** 1493 * The id of the user the task was running as. 1494 * @hide 1495 */ 1496 public int userId; 1497 1498 /** 1499 * The first time this task was active. 1500 * @hide 1501 */ 1502 public long firstActiveTime; 1503 1504 /** 1505 * The last time this task was active. 1506 * @hide 1507 */ 1508 public long lastActiveTime; 1509 1510 /** 1511 * The recent activity values for the highest activity in the stack to have set the values. 1512 * {@link Activity#setTaskDescription(android.app.ActivityManager.TaskDescription)}. 1513 */ 1514 public TaskDescription taskDescription; 1515 1516 /** 1517 * Task affiliation for grouping with other tasks. 1518 */ 1519 public int affiliatedTaskId; 1520 1521 /** 1522 * Task affiliation color of the source task with the affiliated task id. 1523 * 1524 * @hide 1525 */ 1526 public int affiliatedTaskColor; 1527 1528 /** 1529 * The component launched as the first activity in the task. 1530 * This can be considered the "application" of this task. 1531 */ 1532 public ComponentName baseActivity; 1533 1534 /** 1535 * The activity component at the top of the history stack of the task. 1536 * This is what the user is currently doing. 1537 */ 1538 public ComponentName topActivity; 1539 1540 /** 1541 * Number of activities in this task. 1542 */ 1543 public int numActivities; 1544 1545 /** 1546 * The bounds of the task. 1547 * @hide 1548 */ 1549 public Rect bounds; 1550 1551 /** 1552 * True if the task can go in the docked stack. 1553 * @hide 1554 */ 1555 public boolean supportsSplitScreenMultiWindow; 1556 1557 /** 1558 * The resize mode of the task. See {@link ActivityInfo#resizeMode}. 1559 * @hide 1560 */ 1561 public int resizeMode; 1562 1563 /** 1564 * The current configuration this task is in. 1565 * @hide 1566 */ 1567 final public Configuration configuration = new Configuration(); 1568 1569 public RecentTaskInfo() { 1570 } 1571 1572 @Override 1573 public int describeContents() { 1574 return 0; 1575 } 1576 1577 @Override 1578 public void writeToParcel(Parcel dest, int flags) { 1579 dest.writeInt(id); 1580 dest.writeInt(persistentId); 1581 if (baseIntent != null) { 1582 dest.writeInt(1); 1583 baseIntent.writeToParcel(dest, 0); 1584 } else { 1585 dest.writeInt(0); 1586 } 1587 ComponentName.writeToParcel(origActivity, dest); 1588 ComponentName.writeToParcel(realActivity, dest); 1589 TextUtils.writeToParcel(description, dest, 1590 Parcelable.PARCELABLE_WRITE_RETURN_VALUE); 1591 if (taskDescription != null) { 1592 dest.writeInt(1); 1593 taskDescription.writeToParcel(dest, 0); 1594 } else { 1595 dest.writeInt(0); 1596 } 1597 dest.writeInt(stackId); 1598 dest.writeInt(userId); 1599 dest.writeLong(lastActiveTime); 1600 dest.writeInt(affiliatedTaskId); 1601 dest.writeInt(affiliatedTaskColor); 1602 ComponentName.writeToParcel(baseActivity, dest); 1603 ComponentName.writeToParcel(topActivity, dest); 1604 dest.writeInt(numActivities); 1605 if (bounds != null) { 1606 dest.writeInt(1); 1607 bounds.writeToParcel(dest, 0); 1608 } else { 1609 dest.writeInt(0); 1610 } 1611 dest.writeInt(supportsSplitScreenMultiWindow ? 1 : 0); 1612 dest.writeInt(resizeMode); 1613 configuration.writeToParcel(dest, flags); 1614 } 1615 1616 public void readFromParcel(Parcel source) { 1617 id = source.readInt(); 1618 persistentId = source.readInt(); 1619 baseIntent = source.readInt() > 0 ? Intent.CREATOR.createFromParcel(source) : null; 1620 origActivity = ComponentName.readFromParcel(source); 1621 realActivity = ComponentName.readFromParcel(source); 1622 description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 1623 taskDescription = source.readInt() > 0 ? 1624 TaskDescription.CREATOR.createFromParcel(source) : null; 1625 stackId = source.readInt(); 1626 userId = source.readInt(); 1627 lastActiveTime = source.readLong(); 1628 affiliatedTaskId = source.readInt(); 1629 affiliatedTaskColor = source.readInt(); 1630 baseActivity = ComponentName.readFromParcel(source); 1631 topActivity = ComponentName.readFromParcel(source); 1632 numActivities = source.readInt(); 1633 bounds = source.readInt() > 0 ? 1634 Rect.CREATOR.createFromParcel(source) : null; 1635 supportsSplitScreenMultiWindow = source.readInt() == 1; 1636 resizeMode = source.readInt(); 1637 configuration.readFromParcel(source); 1638 } 1639 1640 public static final Creator<RecentTaskInfo> CREATOR 1641 = new Creator<RecentTaskInfo>() { 1642 public RecentTaskInfo createFromParcel(Parcel source) { 1643 return new RecentTaskInfo(source); 1644 } 1645 public RecentTaskInfo[] newArray(int size) { 1646 return new RecentTaskInfo[size]; 1647 } 1648 }; 1649 1650 private RecentTaskInfo(Parcel source) { 1651 readFromParcel(source); 1652 } 1653 } 1654 1655 /** 1656 * Flag for use with {@link #getRecentTasks}: return all tasks, even those 1657 * that have set their 1658 * {@link android.content.Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag. 1659 */ 1660 public static final int RECENT_WITH_EXCLUDED = 0x0001; 1661 1662 /** 1663 * Provides a list that does not contain any 1664 * recent tasks that currently are not available to the user. 1665 */ 1666 public static final int RECENT_IGNORE_UNAVAILABLE = 0x0002; 1667 1668 /** 1669 * <p></p>Return a list of the tasks that the user has recently launched, with 1670 * the most recent being first and older ones after in order. 1671 * 1672 * <p><b>Note: this method is only intended for debugging and presenting 1673 * task management user interfaces</b>. This should never be used for 1674 * core logic in an application, such as deciding between different 1675 * behaviors based on the information found here. Such uses are 1676 * <em>not</em> supported, and will likely break in the future. For 1677 * example, if multiple applications can be actively running at the 1678 * same time, assumptions made about the meaning of the data here for 1679 * purposes of control flow will be incorrect.</p> 1680 * 1681 * @deprecated As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method is 1682 * no longer available to third party applications: the introduction of 1683 * document-centric recents means 1684 * it can leak personal information to the caller. For backwards compatibility, 1685 * it will still return a small subset of its data: at least the caller's 1686 * own tasks (though see {@link #getAppTasks()} for the correct supported 1687 * way to retrieve that information), and possibly some other tasks 1688 * such as home that are known to not be sensitive. 1689 * 1690 * @param maxNum The maximum number of entries to return in the list. The 1691 * actual number returned may be smaller, depending on how many tasks the 1692 * user has started and the maximum number the system can remember. 1693 * @param flags Information about what to return. May be any combination 1694 * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}. 1695 * 1696 * @return Returns a list of RecentTaskInfo records describing each of 1697 * the recent tasks. 1698 */ 1699 @Deprecated 1700 public List<RecentTaskInfo> getRecentTasks(int maxNum, int flags) 1701 throws SecurityException { 1702 try { 1703 if (maxNum < 0) { 1704 throw new IllegalArgumentException("The requested number of tasks should be >= 0"); 1705 } 1706 return getService().getRecentTasks(maxNum, flags, mContext.getUserId()).getList(); 1707 } catch (RemoteException e) { 1708 throw e.rethrowFromSystemServer(); 1709 } 1710 } 1711 1712 /** 1713 * Information you can retrieve about a particular task that is currently 1714 * "running" in the system. Note that a running task does not mean the 1715 * given task actually has a process it is actively running in; it simply 1716 * means that the user has gone to it and never closed it, but currently 1717 * the system may have killed its process and is only holding on to its 1718 * last state in order to restart it when the user returns. 1719 */ 1720 public static class RunningTaskInfo implements Parcelable { 1721 /** 1722 * A unique identifier for this task. 1723 */ 1724 public int id; 1725 1726 /** 1727 * The stack that currently contains this task. 1728 * @hide 1729 */ 1730 public int stackId; 1731 1732 /** 1733 * The component launched as the first activity in the task. This can 1734 * be considered the "application" of this task. 1735 */ 1736 public ComponentName baseActivity; 1737 1738 /** 1739 * The activity component at the top of the history stack of the task. 1740 * This is what the user is currently doing. 1741 */ 1742 public ComponentName topActivity; 1743 1744 /** 1745 * Thumbnail representation of the task's current state. Currently 1746 * always null. 1747 */ 1748 public Bitmap thumbnail; 1749 1750 /** 1751 * Description of the task's current state. 1752 */ 1753 public CharSequence description; 1754 1755 /** 1756 * Number of activities in this task. 1757 */ 1758 public int numActivities; 1759 1760 /** 1761 * Number of activities that are currently running (not stopped 1762 * and persisted) in this task. 1763 */ 1764 public int numRunning; 1765 1766 /** 1767 * Last time task was run. For sorting. 1768 * @hide 1769 */ 1770 public long lastActiveTime; 1771 1772 /** 1773 * True if the task can go in the docked stack. 1774 * @hide 1775 */ 1776 public boolean supportsSplitScreenMultiWindow; 1777 1778 /** 1779 * The resize mode of the task. See {@link ActivityInfo#resizeMode}. 1780 * @hide 1781 */ 1782 public int resizeMode; 1783 1784 /** 1785 * The full configuration the task is currently running in. 1786 * @hide 1787 */ 1788 final public Configuration configuration = new Configuration(); 1789 1790 public RunningTaskInfo() { 1791 } 1792 1793 public int describeContents() { 1794 return 0; 1795 } 1796 1797 public void writeToParcel(Parcel dest, int flags) { 1798 dest.writeInt(id); 1799 dest.writeInt(stackId); 1800 ComponentName.writeToParcel(baseActivity, dest); 1801 ComponentName.writeToParcel(topActivity, dest); 1802 if (thumbnail != null) { 1803 dest.writeInt(1); 1804 thumbnail.writeToParcel(dest, 0); 1805 } else { 1806 dest.writeInt(0); 1807 } 1808 TextUtils.writeToParcel(description, dest, 1809 Parcelable.PARCELABLE_WRITE_RETURN_VALUE); 1810 dest.writeInt(numActivities); 1811 dest.writeInt(numRunning); 1812 dest.writeInt(supportsSplitScreenMultiWindow ? 1 : 0); 1813 dest.writeInt(resizeMode); 1814 configuration.writeToParcel(dest, flags); 1815 } 1816 1817 public void readFromParcel(Parcel source) { 1818 id = source.readInt(); 1819 stackId = source.readInt(); 1820 baseActivity = ComponentName.readFromParcel(source); 1821 topActivity = ComponentName.readFromParcel(source); 1822 if (source.readInt() != 0) { 1823 thumbnail = Bitmap.CREATOR.createFromParcel(source); 1824 } else { 1825 thumbnail = null; 1826 } 1827 description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 1828 numActivities = source.readInt(); 1829 numRunning = source.readInt(); 1830 supportsSplitScreenMultiWindow = source.readInt() != 0; 1831 resizeMode = source.readInt(); 1832 configuration.readFromParcel(source); 1833 } 1834 1835 public static final Creator<RunningTaskInfo> CREATOR = new Creator<RunningTaskInfo>() { 1836 public RunningTaskInfo createFromParcel(Parcel source) { 1837 return new RunningTaskInfo(source); 1838 } 1839 public RunningTaskInfo[] newArray(int size) { 1840 return new RunningTaskInfo[size]; 1841 } 1842 }; 1843 1844 private RunningTaskInfo(Parcel source) { 1845 readFromParcel(source); 1846 } 1847 } 1848 1849 /** 1850 * Get the list of tasks associated with the calling application. 1851 * 1852 * @return The list of tasks associated with the application making this call. 1853 * @throws SecurityException 1854 */ 1855 public List<ActivityManager.AppTask> getAppTasks() { 1856 ArrayList<AppTask> tasks = new ArrayList<AppTask>(); 1857 List<IBinder> appTasks; 1858 try { 1859 appTasks = getService().getAppTasks(mContext.getPackageName()); 1860 } catch (RemoteException e) { 1861 throw e.rethrowFromSystemServer(); 1862 } 1863 int numAppTasks = appTasks.size(); 1864 for (int i = 0; i < numAppTasks; i++) { 1865 tasks.add(new AppTask(IAppTask.Stub.asInterface(appTasks.get(i)))); 1866 } 1867 return tasks; 1868 } 1869 1870 /** 1871 * Return the current design dimensions for {@link AppTask} thumbnails, for use 1872 * with {@link #addAppTask}. 1873 */ 1874 public Size getAppTaskThumbnailSize() { 1875 synchronized (this) { 1876 ensureAppTaskThumbnailSizeLocked(); 1877 return new Size(mAppTaskThumbnailSize.x, mAppTaskThumbnailSize.y); 1878 } 1879 } 1880 1881 private void ensureAppTaskThumbnailSizeLocked() { 1882 if (mAppTaskThumbnailSize == null) { 1883 try { 1884 mAppTaskThumbnailSize = getService().getAppTaskThumbnailSize(); 1885 } catch (RemoteException e) { 1886 throw e.rethrowFromSystemServer(); 1887 } 1888 } 1889 } 1890 1891 /** 1892 * Add a new {@link AppTask} for the calling application. This will create a new 1893 * recents entry that is added to the <b>end</b> of all existing recents. 1894 * 1895 * @param activity The activity that is adding the entry. This is used to help determine 1896 * the context that the new recents entry will be in. 1897 * @param intent The Intent that describes the recents entry. This is the same Intent that 1898 * you would have used to launch the activity for it. In generally you will want to set 1899 * both {@link Intent#FLAG_ACTIVITY_NEW_DOCUMENT} and 1900 * {@link Intent#FLAG_ACTIVITY_RETAIN_IN_RECENTS}; the latter is required since this recents 1901 * entry will exist without an activity, so it doesn't make sense to not retain it when 1902 * its activity disappears. The given Intent here also must have an explicit ComponentName 1903 * set on it. 1904 * @param description Optional additional description information. 1905 * @param thumbnail Thumbnail to use for the recents entry. Should be the size given by 1906 * {@link #getAppTaskThumbnailSize()}. If the bitmap is not that exact size, it will be 1907 * recreated in your process, probably in a way you don't like, before the recents entry 1908 * is added. 1909 * 1910 * @return Returns the task id of the newly added app task, or -1 if the add failed. The 1911 * most likely cause of failure is that there is no more room for more tasks for your app. 1912 */ 1913 public int addAppTask(@NonNull Activity activity, @NonNull Intent intent, 1914 @Nullable TaskDescription description, @NonNull Bitmap thumbnail) { 1915 Point size; 1916 synchronized (this) { 1917 ensureAppTaskThumbnailSizeLocked(); 1918 size = mAppTaskThumbnailSize; 1919 } 1920 final int tw = thumbnail.getWidth(); 1921 final int th = thumbnail.getHeight(); 1922 if (tw != size.x || th != size.y) { 1923 Bitmap bm = Bitmap.createBitmap(size.x, size.y, thumbnail.getConfig()); 1924 1925 // Use ScaleType.CENTER_CROP, except we leave the top edge at the top. 1926 float scale; 1927 float dx = 0, dy = 0; 1928 if (tw * size.x > size.y * th) { 1929 scale = (float) size.x / (float) th; 1930 dx = (size.y - tw * scale) * 0.5f; 1931 } else { 1932 scale = (float) size.y / (float) tw; 1933 dy = (size.x - th * scale) * 0.5f; 1934 } 1935 Matrix matrix = new Matrix(); 1936 matrix.setScale(scale, scale); 1937 matrix.postTranslate((int) (dx + 0.5f), 0); 1938 1939 Canvas canvas = new Canvas(bm); 1940 canvas.drawBitmap(thumbnail, matrix, null); 1941 canvas.setBitmap(null); 1942 1943 thumbnail = bm; 1944 } 1945 if (description == null) { 1946 description = new TaskDescription(); 1947 } 1948 try { 1949 return getService().addAppTask(activity.getActivityToken(), 1950 intent, description, thumbnail); 1951 } catch (RemoteException e) { 1952 throw e.rethrowFromSystemServer(); 1953 } 1954 } 1955 1956 /** 1957 * Return a list of the tasks that are currently running, with 1958 * the most recent being first and older ones after in order. Note that 1959 * "running" does not mean any of the task's code is currently loaded or 1960 * activity -- the task may have been frozen by the system, so that it 1961 * can be restarted in its previous state when next brought to the 1962 * foreground. 1963 * 1964 * <p><b>Note: this method is only intended for debugging and presenting 1965 * task management user interfaces</b>. This should never be used for 1966 * core logic in an application, such as deciding between different 1967 * behaviors based on the information found here. Such uses are 1968 * <em>not</em> supported, and will likely break in the future. For 1969 * example, if multiple applications can be actively running at the 1970 * same time, assumptions made about the meaning of the data here for 1971 * purposes of control flow will be incorrect.</p> 1972 * 1973 * @deprecated As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method 1974 * is no longer available to third party 1975 * applications: the introduction of document-centric recents means 1976 * it can leak person information to the caller. For backwards compatibility, 1977 * it will still return a small subset of its data: at least the caller's 1978 * own tasks, and possibly some other tasks 1979 * such as home that are known to not be sensitive. 1980 * 1981 * @param maxNum The maximum number of entries to return in the list. The 1982 * actual number returned may be smaller, depending on how many tasks the 1983 * user has started. 1984 * 1985 * @return Returns a list of RunningTaskInfo records describing each of 1986 * the running tasks. 1987 */ 1988 @Deprecated 1989 public List<RunningTaskInfo> getRunningTasks(int maxNum) 1990 throws SecurityException { 1991 try { 1992 return getService().getTasks(maxNum); 1993 } catch (RemoteException e) { 1994 throw e.rethrowFromSystemServer(); 1995 } 1996 } 1997 1998 /** 1999 * Sets the windowing mode for a specific task. Only works on tasks of type 2000 * {@link WindowConfiguration#ACTIVITY_TYPE_STANDARD} 2001 * @param taskId The id of the task to set the windowing mode for. 2002 * @param windowingMode The windowing mode to set for the task. 2003 * @param toTop If the task should be moved to the top once the windowing mode changes. 2004 * @hide 2005 */ 2006 @TestApi 2007 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2008 public void setTaskWindowingMode(int taskId, int windowingMode, boolean toTop) 2009 throws SecurityException { 2010 try { 2011 getService().setTaskWindowingMode(taskId, windowingMode, toTop); 2012 } catch (RemoteException e) { 2013 throw e.rethrowFromSystemServer(); 2014 } 2015 } 2016 2017 /** 2018 * Moves the input task to the primary-split-screen stack. 2019 * @param taskId Id of task to move. 2020 * @param createMode The mode the primary split screen stack should be created in if it doesn't 2021 * exist already. See 2022 * {@link android.app.ActivityManager#SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT} 2023 * and 2024 * {@link android.app.ActivityManager 2025 * #SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT} 2026 * @param toTop If the task and stack should be moved to the top. 2027 * @param animate Whether we should play an animation for the moving the task 2028 * @param initialBounds If the primary stack gets created, it will use these bounds for the 2029 * docked stack. Pass {@code null} to use default bounds. 2030 * @param showRecents If the recents activity should be shown on the other side of the task 2031 * going into split-screen mode. 2032 * @hide 2033 */ 2034 @TestApi 2035 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2036 public void setTaskWindowingModeSplitScreenPrimary(int taskId, int createMode, boolean toTop, 2037 boolean animate, Rect initialBounds, boolean showRecents) throws SecurityException { 2038 try { 2039 getService().setTaskWindowingModeSplitScreenPrimary(taskId, createMode, toTop, animate, 2040 initialBounds, showRecents); 2041 } catch (RemoteException e) { 2042 throw e.rethrowFromSystemServer(); 2043 } 2044 } 2045 2046 /** 2047 * Resizes the input stack id to the given bounds. 2048 * @param stackId Id of the stack to resize. 2049 * @param bounds Bounds to resize the stack to or {@code null} for fullscreen. 2050 * @hide 2051 */ 2052 @TestApi 2053 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2054 public void resizeStack(int stackId, Rect bounds) throws SecurityException { 2055 try { 2056 getService().resizeStack(stackId, bounds, false /* allowResizeInDockedMode */, 2057 false /* preserveWindows */, false /* animate */, -1 /* animationDuration */); 2058 } catch (RemoteException e) { 2059 throw e.rethrowFromSystemServer(); 2060 } 2061 } 2062 2063 /** 2064 * Removes stacks in the windowing modes from the system if they are of activity type 2065 * ACTIVITY_TYPE_STANDARD or ACTIVITY_TYPE_UNDEFINED 2066 * 2067 * @hide 2068 */ 2069 @TestApi 2070 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2071 public void removeStacksInWindowingModes(int[] windowingModes) throws SecurityException { 2072 try { 2073 getService().removeStacksInWindowingModes(windowingModes); 2074 } catch (RemoteException e) { 2075 throw e.rethrowFromSystemServer(); 2076 } 2077 } 2078 2079 /** 2080 * Removes stack of the activity types from the system. 2081 * 2082 * @hide 2083 */ 2084 @TestApi 2085 @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS) 2086 public void removeStacksWithActivityTypes(int[] activityTypes) throws SecurityException { 2087 try { 2088 getService().removeStacksWithActivityTypes(activityTypes); 2089 } catch (RemoteException e) { 2090 throw e.rethrowFromSystemServer(); 2091 } 2092 } 2093 2094 /** 2095 * Represents a task snapshot. 2096 * @hide 2097 */ 2098 public static class TaskSnapshot implements Parcelable { 2099 2100 private final GraphicBuffer mSnapshot; 2101 private final int mOrientation; 2102 private final Rect mContentInsets; 2103 private final boolean mReducedResolution; 2104 private final boolean mIsRealSnapshot; 2105 private final float mScale; 2106 2107 public TaskSnapshot(GraphicBuffer snapshot, int orientation, Rect contentInsets, 2108 boolean reducedResolution, float scale, boolean isRealSnapshot) { 2109 mSnapshot = snapshot; 2110 mOrientation = orientation; 2111 mContentInsets = new Rect(contentInsets); 2112 mReducedResolution = reducedResolution; 2113 mScale = scale; 2114 mIsRealSnapshot = isRealSnapshot; 2115 } 2116 2117 private TaskSnapshot(Parcel source) { 2118 mSnapshot = source.readParcelable(null /* classLoader */); 2119 mOrientation = source.readInt(); 2120 mContentInsets = source.readParcelable(null /* classLoader */); 2121 mReducedResolution = source.readBoolean(); 2122 mScale = source.readFloat(); 2123 mIsRealSnapshot = source.readBoolean(); 2124 } 2125 2126 /** 2127 * @return The graphic buffer representing the screenshot. 2128 */ 2129 public GraphicBuffer getSnapshot() { 2130 return mSnapshot; 2131 } 2132 2133 /** 2134 * @return The screen orientation the screenshot was taken in. 2135 */ 2136 public int getOrientation() { 2137 return mOrientation; 2138 } 2139 2140 /** 2141 * @return The system/content insets on the snapshot. These can be clipped off in order to 2142 * remove any areas behind system bars in the snapshot. 2143 */ 2144 public Rect getContentInsets() { 2145 return mContentInsets; 2146 } 2147 2148 /** 2149 * @return Whether this snapshot is a down-sampled version of the full resolution. 2150 */ 2151 public boolean isReducedResolution() { 2152 return mReducedResolution; 2153 } 2154 2155 /** 2156 * @return Whether or not the snapshot is a real snapshot or an app-theme generated snapshot 2157 * due to the task having a secure window or having previews disabled. 2158 */ 2159 public boolean isRealSnapshot() { 2160 return mIsRealSnapshot; 2161 } 2162 2163 /** 2164 * @return The scale this snapshot was taken in. 2165 */ 2166 public float getScale() { 2167 return mScale; 2168 } 2169 2170 @Override 2171 public int describeContents() { 2172 return 0; 2173 } 2174 2175 @Override 2176 public void writeToParcel(Parcel dest, int flags) { 2177 dest.writeParcelable(mSnapshot, 0); 2178 dest.writeInt(mOrientation); 2179 dest.writeParcelable(mContentInsets, 0); 2180 dest.writeBoolean(mReducedResolution); 2181 dest.writeFloat(mScale); 2182 dest.writeBoolean(mIsRealSnapshot); 2183 } 2184 2185 @Override 2186 public String toString() { 2187 return "TaskSnapshot{mSnapshot=" + mSnapshot + " mOrientation=" + mOrientation 2188 + " mContentInsets=" + mContentInsets.toShortString() 2189 + " mReducedResolution=" + mReducedResolution + " mScale=" + mScale 2190 + " mIsRealSnapshot=" + mIsRealSnapshot; 2191 } 2192 2193 public static final Creator<TaskSnapshot> CREATOR = new Creator<TaskSnapshot>() { 2194 public TaskSnapshot createFromParcel(Parcel source) { 2195 return new TaskSnapshot(source); 2196 } 2197 public TaskSnapshot[] newArray(int size) { 2198 return new TaskSnapshot[size]; 2199 } 2200 }; 2201 } 2202 2203 /** @hide */ 2204 @IntDef(flag = true, prefix = { "MOVE_TASK_" }, value = { 2205 MOVE_TASK_WITH_HOME, 2206 MOVE_TASK_NO_USER_ACTION, 2207 }) 2208 @Retention(RetentionPolicy.SOURCE) 2209 public @interface MoveTaskFlags {} 2210 2211 /** 2212 * Flag for {@link #moveTaskToFront(int, int)}: also move the "home" 2213 * activity along with the task, so it is positioned immediately behind 2214 * the task. 2215 */ 2216 public static final int MOVE_TASK_WITH_HOME = 0x00000001; 2217 2218 /** 2219 * Flag for {@link #moveTaskToFront(int, int)}: don't count this as a 2220 * user-instigated action, so the current activity will not receive a 2221 * hint that the user is leaving. 2222 */ 2223 public static final int MOVE_TASK_NO_USER_ACTION = 0x00000002; 2224 2225 /** 2226 * Equivalent to calling {@link #moveTaskToFront(int, int, Bundle)} 2227 * with a null options argument. 2228 * 2229 * @param taskId The identifier of the task to be moved, as found in 2230 * {@link RunningTaskInfo} or {@link RecentTaskInfo}. 2231 * @param flags Additional operational flags. 2232 */ 2233 @RequiresPermission(android.Manifest.permission.REORDER_TASKS) 2234 public void moveTaskToFront(int taskId, @MoveTaskFlags int flags) { 2235 moveTaskToFront(taskId, flags, null); 2236 } 2237 2238 /** 2239 * Ask that the task associated with a given task ID be moved to the 2240 * front of the stack, so it is now visible to the user. 2241 * 2242 * @param taskId The identifier of the task to be moved, as found in 2243 * {@link RunningTaskInfo} or {@link RecentTaskInfo}. 2244 * @param flags Additional operational flags. 2245 * @param options Additional options for the operation, either null or 2246 * as per {@link Context#startActivity(Intent, android.os.Bundle) 2247 * Context.startActivity(Intent, Bundle)}. 2248 */ 2249 @RequiresPermission(android.Manifest.permission.REORDER_TASKS) 2250 public void moveTaskToFront(int taskId, @MoveTaskFlags int flags, Bundle options) { 2251 try { 2252 getService().moveTaskToFront(taskId, flags, options); 2253 } catch (RemoteException e) { 2254 throw e.rethrowFromSystemServer(); 2255 } 2256 } 2257 2258 /** 2259 * Information you can retrieve about a particular Service that is 2260 * currently running in the system. 2261 */ 2262 public static class RunningServiceInfo implements Parcelable { 2263 /** 2264 * The service component. 2265 */ 2266 public ComponentName service; 2267 2268 /** 2269 * If non-zero, this is the process the service is running in. 2270 */ 2271 public int pid; 2272 2273 /** 2274 * The UID that owns this service. 2275 */ 2276 public int uid; 2277 2278 /** 2279 * The name of the process this service runs in. 2280 */ 2281 public String process; 2282 2283 /** 2284 * Set to true if the service has asked to run as a foreground process. 2285 */ 2286 public boolean foreground; 2287 2288 /** 2289 * The time when the service was first made active, either by someone 2290 * starting or binding to it. This 2291 * is in units of {@link android.os.SystemClock#elapsedRealtime()}. 2292 */ 2293 public long activeSince; 2294 2295 /** 2296 * Set to true if this service has been explicitly started. 2297 */ 2298 public boolean started; 2299 2300 /** 2301 * Number of clients connected to the service. 2302 */ 2303 public int clientCount; 2304 2305 /** 2306 * Number of times the service's process has crashed while the service 2307 * is running. 2308 */ 2309 public int crashCount; 2310 2311 /** 2312 * The time when there was last activity in the service (either 2313 * explicit requests to start it or clients binding to it). This 2314 * is in units of {@link android.os.SystemClock#uptimeMillis()}. 2315 */ 2316 public long lastActivityTime; 2317 2318 /** 2319 * If non-zero, this service is not currently running, but scheduled to 2320 * restart at the given time. 2321 */ 2322 public long restarting; 2323 2324 /** 2325 * Bit for {@link #flags}: set if this service has been 2326 * explicitly started. 2327 */ 2328 public static final int FLAG_STARTED = 1<<0; 2329 2330 /** 2331 * Bit for {@link #flags}: set if the service has asked to 2332 * run as a foreground process. 2333 */ 2334 public static final int FLAG_FOREGROUND = 1<<1; 2335 2336 /** 2337 * Bit for {@link #flags}: set if the service is running in a 2338 * core system process. 2339 */ 2340 public static final int FLAG_SYSTEM_PROCESS = 1<<2; 2341 2342 /** 2343 * Bit for {@link #flags}: set if the service is running in a 2344 * persistent process. 2345 */ 2346 public static final int FLAG_PERSISTENT_PROCESS = 1<<3; 2347 2348 /** 2349 * Running flags. 2350 */ 2351 public int flags; 2352 2353 /** 2354 * For special services that are bound to by system code, this is 2355 * the package that holds the binding. 2356 */ 2357 public String clientPackage; 2358 2359 /** 2360 * For special services that are bound to by system code, this is 2361 * a string resource providing a user-visible label for who the 2362 * client is. 2363 */ 2364 public int clientLabel; 2365 2366 public RunningServiceInfo() { 2367 } 2368 2369 public int describeContents() { 2370 return 0; 2371 } 2372 2373 public void writeToParcel(Parcel dest, int flags) { 2374 ComponentName.writeToParcel(service, dest); 2375 dest.writeInt(pid); 2376 dest.writeInt(uid); 2377 dest.writeString(process); 2378 dest.writeInt(foreground ? 1 : 0); 2379 dest.writeLong(activeSince); 2380 dest.writeInt(started ? 1 : 0); 2381 dest.writeInt(clientCount); 2382 dest.writeInt(crashCount); 2383 dest.writeLong(lastActivityTime); 2384 dest.writeLong(restarting); 2385 dest.writeInt(this.flags); 2386 dest.writeString(clientPackage); 2387 dest.writeInt(clientLabel); 2388 } 2389 2390 public void readFromParcel(Parcel source) { 2391 service = ComponentName.readFromParcel(source); 2392 pid = source.readInt(); 2393 uid = source.readInt(); 2394 process = source.readString(); 2395 foreground = source.readInt() != 0; 2396 activeSince = source.readLong(); 2397 started = source.readInt() != 0; 2398 clientCount = source.readInt(); 2399 crashCount = source.readInt(); 2400 lastActivityTime = source.readLong(); 2401 restarting = source.readLong(); 2402 flags = source.readInt(); 2403 clientPackage = source.readString(); 2404 clientLabel = source.readInt(); 2405 } 2406 2407 public static final Creator<RunningServiceInfo> CREATOR = new Creator<RunningServiceInfo>() { 2408 public RunningServiceInfo createFromParcel(Parcel source) { 2409 return new RunningServiceInfo(source); 2410 } 2411 public RunningServiceInfo[] newArray(int size) { 2412 return new RunningServiceInfo[size]; 2413 } 2414 }; 2415 2416 private RunningServiceInfo(Parcel source) { 2417 readFromParcel(source); 2418 } 2419 } 2420 2421 /** 2422 * Return a list of the services that are currently running. 2423 * 2424 * <p><b>Note: this method is only intended for debugging or implementing 2425 * service management type user interfaces.</b></p> 2426 * 2427 * @deprecated As of {@link android.os.Build.VERSION_CODES#O}, this method 2428 * is no longer available to third party applications. For backwards compatibility, 2429 * it will still return the caller's own services. 2430 * 2431 * @param maxNum The maximum number of entries to return in the list. The 2432 * actual number returned may be smaller, depending on how many services 2433 * are running. 2434 * 2435 * @return Returns a list of RunningServiceInfo records describing each of 2436 * the running tasks. 2437 */ 2438 @Deprecated 2439 public List<RunningServiceInfo> getRunningServices(int maxNum) 2440 throws SecurityException { 2441 try { 2442 return getService() 2443 .getServices(maxNum, 0); 2444 } catch (RemoteException e) { 2445 throw e.rethrowFromSystemServer(); 2446 } 2447 } 2448 2449 /** 2450 * Returns a PendingIntent you can start to show a control panel for the 2451 * given running service. If the service does not have a control panel, 2452 * null is returned. 2453 */ 2454 public PendingIntent getRunningServiceControlPanel(ComponentName service) 2455 throws SecurityException { 2456 try { 2457 return getService() 2458 .getRunningServiceControlPanel(service); 2459 } catch (RemoteException e) { 2460 throw e.rethrowFromSystemServer(); 2461 } 2462 } 2463 2464 /** 2465 * Information you can retrieve about the available memory through 2466 * {@link ActivityManager#getMemoryInfo}. 2467 */ 2468 public static class MemoryInfo implements Parcelable { 2469 /** 2470 * The available memory on the system. This number should not 2471 * be considered absolute: due to the nature of the kernel, a significant 2472 * portion of this memory is actually in use and needed for the overall 2473 * system to run well. 2474 */ 2475 public long availMem; 2476 2477 /** 2478 * The total memory accessible by the kernel. This is basically the 2479 * RAM size of the device, not including below-kernel fixed allocations 2480 * like DMA buffers, RAM for the baseband CPU, etc. 2481 */ 2482 public long totalMem; 2483 2484 /** 2485 * The threshold of {@link #availMem} at which we consider memory to be 2486 * low and start killing background services and other non-extraneous 2487 * processes. 2488 */ 2489 public long threshold; 2490 2491 /** 2492 * Set to true if the system considers itself to currently be in a low 2493 * memory situation. 2494 */ 2495 public boolean lowMemory; 2496 2497 /** @hide */ 2498 public long hiddenAppThreshold; 2499 /** @hide */ 2500 public long secondaryServerThreshold; 2501 /** @hide */ 2502 public long visibleAppThreshold; 2503 /** @hide */ 2504 public long foregroundAppThreshold; 2505 2506 public MemoryInfo() { 2507 } 2508 2509 public int describeContents() { 2510 return 0; 2511 } 2512 2513 public void writeToParcel(Parcel dest, int flags) { 2514 dest.writeLong(availMem); 2515 dest.writeLong(totalMem); 2516 dest.writeLong(threshold); 2517 dest.writeInt(lowMemory ? 1 : 0); 2518 dest.writeLong(hiddenAppThreshold); 2519 dest.writeLong(secondaryServerThreshold); 2520 dest.writeLong(visibleAppThreshold); 2521 dest.writeLong(foregroundAppThreshold); 2522 } 2523 2524 public void readFromParcel(Parcel source) { 2525 availMem = source.readLong(); 2526 totalMem = source.readLong(); 2527 threshold = source.readLong(); 2528 lowMemory = source.readInt() != 0; 2529 hiddenAppThreshold = source.readLong(); 2530 secondaryServerThreshold = source.readLong(); 2531 visibleAppThreshold = source.readLong(); 2532 foregroundAppThreshold = source.readLong(); 2533 } 2534 2535 public static final Creator<MemoryInfo> CREATOR 2536 = new Creator<MemoryInfo>() { 2537 public MemoryInfo createFromParcel(Parcel source) { 2538 return new MemoryInfo(source); 2539 } 2540 public MemoryInfo[] newArray(int size) { 2541 return new MemoryInfo[size]; 2542 } 2543 }; 2544 2545 private MemoryInfo(Parcel source) { 2546 readFromParcel(source); 2547 } 2548 } 2549 2550 /** 2551 * Return general information about the memory state of the system. This 2552 * can be used to help decide how to manage your own memory, though note 2553 * that polling is not recommended and 2554 * {@link android.content.ComponentCallbacks2#onTrimMemory(int) 2555 * ComponentCallbacks2.onTrimMemory(int)} is the preferred way to do this. 2556 * Also see {@link #getMyMemoryState} for how to retrieve the current trim 2557 * level of your process as needed, which gives a better hint for how to 2558 * manage its memory. 2559 */ 2560 public void getMemoryInfo(MemoryInfo outInfo) { 2561 try { 2562 getService().getMemoryInfo(outInfo); 2563 } catch (RemoteException e) { 2564 throw e.rethrowFromSystemServer(); 2565 } 2566 } 2567 2568 /** 2569 * Information you can retrieve about an ActivityStack in the system. 2570 * @hide 2571 */ 2572 public static class StackInfo implements Parcelable { 2573 public int stackId; 2574 public Rect bounds = new Rect(); 2575 public int[] taskIds; 2576 public String[] taskNames; 2577 public Rect[] taskBounds; 2578 public int[] taskUserIds; 2579 public ComponentName topActivity; 2580 public int displayId; 2581 public int userId; 2582 public boolean visible; 2583 // Index of the stack in the display's stack list, can be used for comparison of stack order 2584 public int position; 2585 /** 2586 * The full configuration the stack is currently running in. 2587 * @hide 2588 */ 2589 final public Configuration configuration = new Configuration(); 2590 2591 @Override 2592 public int describeContents() { 2593 return 0; 2594 } 2595 2596 @Override 2597 public void writeToParcel(Parcel dest, int flags) { 2598 dest.writeInt(stackId); 2599 dest.writeInt(bounds.left); 2600 dest.writeInt(bounds.top); 2601 dest.writeInt(bounds.right); 2602 dest.writeInt(bounds.bottom); 2603 dest.writeIntArray(taskIds); 2604 dest.writeStringArray(taskNames); 2605 final int boundsCount = taskBounds == null ? 0 : taskBounds.length; 2606 dest.writeInt(boundsCount); 2607 for (int i = 0; i < boundsCount; i++) { 2608 dest.writeInt(taskBounds[i].left); 2609 dest.writeInt(taskBounds[i].top); 2610 dest.writeInt(taskBounds[i].right); 2611 dest.writeInt(taskBounds[i].bottom); 2612 } 2613 dest.writeIntArray(taskUserIds); 2614 dest.writeInt(displayId); 2615 dest.writeInt(userId); 2616 dest.writeInt(visible ? 1 : 0); 2617 dest.writeInt(position); 2618 if (topActivity != null) { 2619 dest.writeInt(1); 2620 topActivity.writeToParcel(dest, 0); 2621 } else { 2622 dest.writeInt(0); 2623 } 2624 configuration.writeToParcel(dest, flags); 2625 } 2626 2627 public void readFromParcel(Parcel source) { 2628 stackId = source.readInt(); 2629 bounds = new Rect( 2630 source.readInt(), source.readInt(), source.readInt(), source.readInt()); 2631 taskIds = source.createIntArray(); 2632 taskNames = source.createStringArray(); 2633 final int boundsCount = source.readInt(); 2634 if (boundsCount > 0) { 2635 taskBounds = new Rect[boundsCount]; 2636 for (int i = 0; i < boundsCount; i++) { 2637 taskBounds[i] = new Rect(); 2638 taskBounds[i].set( 2639 source.readInt(), source.readInt(), source.readInt(), source.readInt()); 2640 } 2641 } else { 2642 taskBounds = null; 2643 } 2644 taskUserIds = source.createIntArray(); 2645 displayId = source.readInt(); 2646 userId = source.readInt(); 2647 visible = source.readInt() > 0; 2648 position = source.readInt(); 2649 if (source.readInt() > 0) { 2650 topActivity = ComponentName.readFromParcel(source); 2651 } 2652 configuration.readFromParcel(source); 2653 } 2654 2655 public static final Creator<StackInfo> CREATOR = new Creator<StackInfo>() { 2656 @Override 2657 public StackInfo createFromParcel(Parcel source) { 2658 return new StackInfo(source); 2659 } 2660 @Override 2661 public StackInfo[] newArray(int size) { 2662 return new StackInfo[size]; 2663 } 2664 }; 2665 2666 public StackInfo() { 2667 } 2668 2669 private StackInfo(Parcel source) { 2670 readFromParcel(source); 2671 } 2672 2673 public String toString(String prefix) { 2674 StringBuilder sb = new StringBuilder(256); 2675 sb.append(prefix); sb.append("Stack id="); sb.append(stackId); 2676 sb.append(" bounds="); sb.append(bounds.toShortString()); 2677 sb.append(" displayId="); sb.append(displayId); 2678 sb.append(" userId="); sb.append(userId); 2679 sb.append("\n"); 2680 sb.append(" configuration="); sb.append(configuration); 2681 sb.append("\n"); 2682 prefix = prefix + " "; 2683 for (int i = 0; i < taskIds.length; ++i) { 2684 sb.append(prefix); sb.append("taskId="); sb.append(taskIds[i]); 2685 sb.append(": "); sb.append(taskNames[i]); 2686 if (taskBounds != null) { 2687 sb.append(" bounds="); sb.append(taskBounds[i].toShortString()); 2688 } 2689 sb.append(" userId=").append(taskUserIds[i]); 2690 sb.append(" visible=").append(visible); 2691 if (topActivity != null) { 2692 sb.append(" topActivity=").append(topActivity); 2693 } 2694 sb.append("\n"); 2695 } 2696 return sb.toString(); 2697 } 2698 2699 @Override 2700 public String toString() { 2701 return toString(""); 2702 } 2703 } 2704 2705 /** 2706 * @hide 2707 */ 2708 @RequiresPermission(anyOf={Manifest.permission.CLEAR_APP_USER_DATA, 2709 Manifest.permission.ACCESS_INSTANT_APPS}) 2710 public boolean clearApplicationUserData(String packageName, IPackageDataObserver observer) { 2711 try { 2712 return getService().clearApplicationUserData(packageName, false, 2713 observer, mContext.getUserId()); 2714 } catch (RemoteException e) { 2715 throw e.rethrowFromSystemServer(); 2716 } 2717 } 2718 2719 /** 2720 * Permits an application to erase its own data from disk. This is equivalent to 2721 * the user choosing to clear the app's data from within the device settings UI. It 2722 * erases all dynamic data associated with the app -- its private data and data in its 2723 * private area on external storage -- but does not remove the installed application 2724 * itself, nor any OBB files. It also revokes all runtime permissions that the app has acquired, 2725 * clears all notifications and removes all Uri grants related to this application. 2726 * 2727 * @return {@code true} if the application successfully requested that the application's 2728 * data be erased; {@code false} otherwise. 2729 */ 2730 public boolean clearApplicationUserData() { 2731 return clearApplicationUserData(mContext.getPackageName(), null); 2732 } 2733 2734 2735 /** 2736 * Permits an application to get the persistent URI permissions granted to another. 2737 * 2738 * <p>Typically called by Settings or DocumentsUI, requires 2739 * {@code GET_APP_GRANTED_URI_PERMISSIONS}. 2740 * 2741 * @param packageName application to look for the granted permissions, or {@code null} to get 2742 * granted permissions for all applications 2743 * @return list of granted URI permissions 2744 * 2745 * @hide 2746 */ 2747 public ParceledListSlice<GrantedUriPermission> getGrantedUriPermissions( 2748 @Nullable String packageName) { 2749 try { 2750 @SuppressWarnings("unchecked") 2751 final ParceledListSlice<GrantedUriPermission> castedList = getService() 2752 .getGrantedUriPermissions(packageName, mContext.getUserId()); 2753 return castedList; 2754 } catch (RemoteException e) { 2755 throw e.rethrowFromSystemServer(); 2756 } 2757 } 2758 2759 /** 2760 * Permits an application to clear the persistent URI permissions granted to another. 2761 * 2762 * <p>Typically called by Settings, requires {@code CLEAR_APP_GRANTED_URI_PERMISSIONS}. 2763 * 2764 * @param packageName application to clear its granted permissions 2765 * 2766 * @hide 2767 */ 2768 public void clearGrantedUriPermissions(String packageName) { 2769 try { 2770 getService().clearGrantedUriPermissions(packageName, 2771 mContext.getUserId()); 2772 } catch (RemoteException e) { 2773 throw e.rethrowFromSystemServer(); 2774 } 2775 } 2776 2777 /** 2778 * Information you can retrieve about any processes that are in an error condition. 2779 */ 2780 public static class ProcessErrorStateInfo implements Parcelable { 2781 /** 2782 * Condition codes 2783 */ 2784 public static final int NO_ERROR = 0; 2785 public static final int CRASHED = 1; 2786 public static final int NOT_RESPONDING = 2; 2787 2788 /** 2789 * The condition that the process is in. 2790 */ 2791 public int condition; 2792 2793 /** 2794 * The process name in which the crash or error occurred. 2795 */ 2796 public String processName; 2797 2798 /** 2799 * The pid of this process; 0 if none 2800 */ 2801 public int pid; 2802 2803 /** 2804 * The kernel user-ID that has been assigned to this process; 2805 * currently this is not a unique ID (multiple applications can have 2806 * the same uid). 2807 */ 2808 public int uid; 2809 2810 /** 2811 * The activity name associated with the error, if known. May be null. 2812 */ 2813 public String tag; 2814 2815 /** 2816 * A short message describing the error condition. 2817 */ 2818 public String shortMsg; 2819 2820 /** 2821 * A long message describing the error condition. 2822 */ 2823 public String longMsg; 2824 2825 /** 2826 * The stack trace where the error originated. May be null. 2827 */ 2828 public String stackTrace; 2829 2830 /** 2831 * to be deprecated: This value will always be null. 2832 */ 2833 public byte[] crashData = null; 2834 2835 public ProcessErrorStateInfo() { 2836 } 2837 2838 @Override 2839 public int describeContents() { 2840 return 0; 2841 } 2842 2843 @Override 2844 public void writeToParcel(Parcel dest, int flags) { 2845 dest.writeInt(condition); 2846 dest.writeString(processName); 2847 dest.writeInt(pid); 2848 dest.writeInt(uid); 2849 dest.writeString(tag); 2850 dest.writeString(shortMsg); 2851 dest.writeString(longMsg); 2852 dest.writeString(stackTrace); 2853 } 2854 2855 public void readFromParcel(Parcel source) { 2856 condition = source.readInt(); 2857 processName = source.readString(); 2858 pid = source.readInt(); 2859 uid = source.readInt(); 2860 tag = source.readString(); 2861 shortMsg = source.readString(); 2862 longMsg = source.readString(); 2863 stackTrace = source.readString(); 2864 } 2865 2866 public static final Creator<ProcessErrorStateInfo> CREATOR = 2867 new Creator<ProcessErrorStateInfo>() { 2868 public ProcessErrorStateInfo createFromParcel(Parcel source) { 2869 return new ProcessErrorStateInfo(source); 2870 } 2871 public ProcessErrorStateInfo[] newArray(int size) { 2872 return new ProcessErrorStateInfo[size]; 2873 } 2874 }; 2875 2876 private ProcessErrorStateInfo(Parcel source) { 2877 readFromParcel(source); 2878 } 2879 } 2880 2881 /** 2882 * Returns a list of any processes that are currently in an error condition. The result 2883 * will be null if all processes are running properly at this time. 2884 * 2885 * @return Returns a list of ProcessErrorStateInfo records, or null if there are no 2886 * current error conditions (it will not return an empty list). This list ordering is not 2887 * specified. 2888 */ 2889 public List<ProcessErrorStateInfo> getProcessesInErrorState() { 2890 try { 2891 return getService().getProcessesInErrorState(); 2892 } catch (RemoteException e) { 2893 throw e.rethrowFromSystemServer(); 2894 } 2895 } 2896 2897 /** 2898 * Information you can retrieve about a running process. 2899 */ 2900 public static class RunningAppProcessInfo implements Parcelable { 2901 /** 2902 * The name of the process that this object is associated with 2903 */ 2904 public String processName; 2905 2906 /** 2907 * The pid of this process; 0 if none 2908 */ 2909 public int pid; 2910 2911 /** 2912 * The user id of this process. 2913 */ 2914 public int uid; 2915 2916 /** 2917 * All packages that have been loaded into the process. 2918 */ 2919 public String pkgList[]; 2920 2921 /** 2922 * Constant for {@link #flags}: this is an app that is unable to 2923 * correctly save its state when going to the background, 2924 * so it can not be killed while in the background. 2925 * @hide 2926 */ 2927 public static final int FLAG_CANT_SAVE_STATE = 1<<0; 2928 2929 /** 2930 * Constant for {@link #flags}: this process is associated with a 2931 * persistent system app. 2932 * @hide 2933 */ 2934 public static final int FLAG_PERSISTENT = 1<<1; 2935 2936 /** 2937 * Constant for {@link #flags}: this process is associated with a 2938 * persistent system app. 2939 * @hide 2940 */ 2941 public static final int FLAG_HAS_ACTIVITIES = 1<<2; 2942 2943 /** 2944 * Flags of information. May be any of 2945 * {@link #FLAG_CANT_SAVE_STATE}. 2946 * @hide 2947 */ 2948 public int flags; 2949 2950 /** 2951 * Last memory trim level reported to the process: corresponds to 2952 * the values supplied to {@link android.content.ComponentCallbacks2#onTrimMemory(int) 2953 * ComponentCallbacks2.onTrimMemory(int)}. 2954 */ 2955 public int lastTrimLevel; 2956 2957 /** @hide */ 2958 @IntDef(prefix = { "IMPORTANCE_" }, value = { 2959 IMPORTANCE_FOREGROUND, 2960 IMPORTANCE_FOREGROUND_SERVICE, 2961 IMPORTANCE_TOP_SLEEPING, 2962 IMPORTANCE_VISIBLE, 2963 IMPORTANCE_PERCEPTIBLE, 2964 IMPORTANCE_CANT_SAVE_STATE, 2965 IMPORTANCE_SERVICE, 2966 IMPORTANCE_CACHED, 2967 IMPORTANCE_GONE, 2968 }) 2969 @Retention(RetentionPolicy.SOURCE) 2970 public @interface Importance {} 2971 2972 /** 2973 * Constant for {@link #importance}: This process is running the 2974 * foreground UI; that is, it is the thing currently at the top of the screen 2975 * that the user is interacting with. 2976 */ 2977 public static final int IMPORTANCE_FOREGROUND = 100; 2978 2979 /** 2980 * Constant for {@link #importance}: This process is running a foreground 2981 * service, for example to perform music playback even while the user is 2982 * not immediately in the app. This generally indicates that the process 2983 * is doing something the user actively cares about. 2984 */ 2985 public static final int IMPORTANCE_FOREGROUND_SERVICE = 125; 2986 2987 /** 2988 * @deprecated Pre-{@link android.os.Build.VERSION_CODES#P} version of 2989 * {@link #IMPORTANCE_TOP_SLEEPING}. As of Android 2990 * {@link android.os.Build.VERSION_CODES#P}, this is considered much less 2991 * important since we want to reduce what apps can do when the screen is off. 2992 */ 2993 @Deprecated 2994 public static final int IMPORTANCE_TOP_SLEEPING_PRE_28 = 150; 2995 2996 /** 2997 * Constant for {@link #importance}: This process is running something 2998 * that is actively visible to the user, though not in the immediate 2999 * foreground. This may be running a window that is behind the current 3000 * foreground (so paused and with its state saved, not interacting with 3001 * the user, but visible to them to some degree); it may also be running 3002 * other services under the system's control that it inconsiders important. 3003 */ 3004 public static final int IMPORTANCE_VISIBLE = 200; 3005 3006 /** 3007 * Constant for {@link #importance}: {@link #IMPORTANCE_PERCEPTIBLE} had this wrong value 3008 * before {@link Build.VERSION_CODES#O}. Since the {@link Build.VERSION_CODES#O} SDK, 3009 * the value of {@link #IMPORTANCE_PERCEPTIBLE} has been fixed. 3010 * 3011 * <p>The system will return this value instead of {@link #IMPORTANCE_PERCEPTIBLE} 3012 * on Android versions below {@link Build.VERSION_CODES#O}. 3013 * 3014 * <p>On Android version {@link Build.VERSION_CODES#O} and later, this value will still be 3015 * returned for apps with the target API level below {@link Build.VERSION_CODES#O}. 3016 * For apps targeting version {@link Build.VERSION_CODES#O} and later, 3017 * the correct value {@link #IMPORTANCE_PERCEPTIBLE} will be returned. 3018 */ 3019 public static final int IMPORTANCE_PERCEPTIBLE_PRE_26 = 130; 3020 3021 /** 3022 * Constant for {@link #importance}: This process is not something the user 3023 * is directly aware of, but is otherwise perceptible to them to some degree. 3024 */ 3025 public static final int IMPORTANCE_PERCEPTIBLE = 230; 3026 3027 /** 3028 * Constant for {@link #importance}: {@link #IMPORTANCE_CANT_SAVE_STATE} had 3029 * this wrong value 3030 * before {@link Build.VERSION_CODES#O}. Since the {@link Build.VERSION_CODES#O} SDK, 3031 * the value of {@link #IMPORTANCE_CANT_SAVE_STATE} has been fixed. 3032 * 3033 * <p>The system will return this value instead of {@link #IMPORTANCE_CANT_SAVE_STATE} 3034 * on Android versions below {@link Build.VERSION_CODES#O}. 3035 * 3036 * <p>On Android version {@link Build.VERSION_CODES#O} after, this value will still be 3037 * returned for apps with the target API level below {@link Build.VERSION_CODES#O}. 3038 * For apps targeting version {@link Build.VERSION_CODES#O} and later, 3039 * the correct value {@link #IMPORTANCE_CANT_SAVE_STATE} will be returned. 3040 * 3041 * @hide 3042 */ 3043 public static final int IMPORTANCE_CANT_SAVE_STATE_PRE_26 = 170; 3044 3045 /** 3046 * Constant for {@link #importance}: This process is contains services 3047 * that should remain running. These are background services apps have 3048 * started, not something the user is aware of, so they may be killed by 3049 * the system relatively freely (though it is generally desired that they 3050 * stay running as long as they want to). 3051 */ 3052 public static final int IMPORTANCE_SERVICE = 300; 3053 3054 /** 3055 * Constant for {@link #importance}: This process is running the foreground 3056 * UI, but the device is asleep so it is not visible to the user. Though the 3057 * system will try hard to keep its process from being killed, in all other 3058 * ways we consider it a kind of cached process, with the limitations that go 3059 * along with that state: network access, running background services, etc. 3060 */ 3061 public static final int IMPORTANCE_TOP_SLEEPING = 325; 3062 3063 /** 3064 * Constant for {@link #importance}: This process is running an 3065 * application that can not save its state, and thus can't be killed 3066 * while in the background. This will be used with apps that have 3067 * {@link android.R.attr#cantSaveState} set on their application tag. 3068 */ 3069 public static final int IMPORTANCE_CANT_SAVE_STATE = 350; 3070 3071 /** 3072 * Constant for {@link #importance}: This process process contains 3073 * cached code that is expendable, not actively running any app components 3074 * we care about. 3075 */ 3076 public static final int IMPORTANCE_CACHED = 400; 3077 3078 /** 3079 * @deprecated Renamed to {@link #IMPORTANCE_CACHED}. 3080 */ 3081 public static final int IMPORTANCE_BACKGROUND = IMPORTANCE_CACHED; 3082 3083 /** 3084 * Constant for {@link #importance}: This process is empty of any 3085 * actively running code. 3086 * @deprecated This value is no longer reported, use {@link #IMPORTANCE_CACHED} instead. 3087 */ 3088 @Deprecated 3089 public static final int IMPORTANCE_EMPTY = 500; 3090 3091 /** 3092 * Constant for {@link #importance}: This process does not exist. 3093 */ 3094 public static final int IMPORTANCE_GONE = 1000; 3095 3096 /** 3097 * Convert a proc state to the correspondent IMPORTANCE_* constant. If the return value 3098 * will be passed to a client, use {@link #procStateToImportanceForClient}. 3099 * @hide 3100 */ 3101 public static @Importance int procStateToImportance(int procState) { 3102 if (procState == PROCESS_STATE_NONEXISTENT) { 3103 return IMPORTANCE_GONE; 3104 } else if (procState >= PROCESS_STATE_HOME) { 3105 return IMPORTANCE_CACHED; 3106 } else if (procState == PROCESS_STATE_HEAVY_WEIGHT) { 3107 return IMPORTANCE_CANT_SAVE_STATE; 3108 } else if (procState >= PROCESS_STATE_TOP_SLEEPING) { 3109 return IMPORTANCE_TOP_SLEEPING; 3110 } else if (procState >= PROCESS_STATE_SERVICE) { 3111 return IMPORTANCE_SERVICE; 3112 } else if (procState >= PROCESS_STATE_TRANSIENT_BACKGROUND) { 3113 return IMPORTANCE_PERCEPTIBLE; 3114 } else if (procState >= PROCESS_STATE_IMPORTANT_FOREGROUND) { 3115 return IMPORTANCE_VISIBLE; 3116 } else if (procState >= PROCESS_STATE_FOREGROUND_SERVICE) { 3117 return IMPORTANCE_FOREGROUND_SERVICE; 3118 } else { 3119 return IMPORTANCE_FOREGROUND; 3120 } 3121 } 3122 3123 /** 3124 * Convert a proc state to the correspondent IMPORTANCE_* constant for a client represented 3125 * by a given {@link Context}, with converting {@link #IMPORTANCE_PERCEPTIBLE} 3126 * and {@link #IMPORTANCE_CANT_SAVE_STATE} to the corresponding "wrong" value if the 3127 * client's target SDK < {@link VERSION_CODES#O}. 3128 * @hide 3129 */ 3130 public static @Importance int procStateToImportanceForClient(int procState, 3131 Context clientContext) { 3132 return procStateToImportanceForTargetSdk(procState, 3133 clientContext.getApplicationInfo().targetSdkVersion); 3134 } 3135 3136 /** 3137 * See {@link #procStateToImportanceForClient}. 3138 * @hide 3139 */ 3140 public static @Importance int procStateToImportanceForTargetSdk(int procState, 3141 int targetSdkVersion) { 3142 final int importance = procStateToImportance(procState); 3143 3144 // For pre O apps, convert to the old, wrong values. 3145 if (targetSdkVersion < VERSION_CODES.O) { 3146 switch (importance) { 3147 case IMPORTANCE_PERCEPTIBLE: 3148 return IMPORTANCE_PERCEPTIBLE_PRE_26; 3149 case IMPORTANCE_TOP_SLEEPING: 3150 return IMPORTANCE_TOP_SLEEPING_PRE_28; 3151 case IMPORTANCE_CANT_SAVE_STATE: 3152 return IMPORTANCE_CANT_SAVE_STATE_PRE_26; 3153 } 3154 } 3155 return importance; 3156 } 3157 3158 /** @hide */ 3159 public static int importanceToProcState(@Importance int importance) { 3160 if (importance == IMPORTANCE_GONE) { 3161 return PROCESS_STATE_NONEXISTENT; 3162 } else if (importance >= IMPORTANCE_CACHED) { 3163 return PROCESS_STATE_HOME; 3164 } else if (importance >= IMPORTANCE_CANT_SAVE_STATE) { 3165 return PROCESS_STATE_HEAVY_WEIGHT; 3166 } else if (importance >= IMPORTANCE_TOP_SLEEPING) { 3167 return PROCESS_STATE_TOP_SLEEPING; 3168 } else if (importance >= IMPORTANCE_SERVICE) { 3169 return PROCESS_STATE_SERVICE; 3170 } else if (importance >= IMPORTANCE_PERCEPTIBLE) { 3171 return PROCESS_STATE_TRANSIENT_BACKGROUND; 3172 } else if (importance >= IMPORTANCE_VISIBLE) { 3173 return PROCESS_STATE_IMPORTANT_FOREGROUND; 3174 } else if (importance >= IMPORTANCE_TOP_SLEEPING_PRE_28) { 3175 return PROCESS_STATE_IMPORTANT_FOREGROUND; 3176 } else if (importance >= IMPORTANCE_FOREGROUND_SERVICE) { 3177 return PROCESS_STATE_FOREGROUND_SERVICE; 3178 } else { 3179 return PROCESS_STATE_TOP; 3180 } 3181 } 3182 3183 /** 3184 * The relative importance level that the system places on this process. 3185 * These constants are numbered so that "more important" values are 3186 * always smaller than "less important" values. 3187 */ 3188 public @Importance int importance; 3189 3190 /** 3191 * An additional ordering within a particular {@link #importance} 3192 * category, providing finer-grained information about the relative 3193 * utility of processes within a category. This number means nothing 3194 * except that a smaller values are more recently used (and thus 3195 * more important). Currently an LRU value is only maintained for 3196 * the {@link #IMPORTANCE_CACHED} category, though others may 3197 * be maintained in the future. 3198 */ 3199 public int lru; 3200 3201 /** 3202 * Constant for {@link #importanceReasonCode}: nothing special has 3203 * been specified for the reason for this level. 3204 */ 3205 public static final int REASON_UNKNOWN = 0; 3206 3207 /** 3208 * Constant for {@link #importanceReasonCode}: one of the application's 3209 * content providers is being used by another process. The pid of 3210 * the client process is in {@link #importanceReasonPid} and the 3211 * target provider in this process is in 3212 * {@link #importanceReasonComponent}. 3213 */ 3214 public static final int REASON_PROVIDER_IN_USE = 1; 3215 3216 /** 3217 * Constant for {@link #importanceReasonCode}: one of the application's 3218 * content providers is being used by another process. The pid of 3219 * the client process is in {@link #importanceReasonPid} and the 3220 * target provider in this process is in 3221 * {@link #importanceReasonComponent}. 3222 */ 3223 public static final int REASON_SERVICE_IN_USE = 2; 3224 3225 /** 3226 * The reason for {@link #importance}, if any. 3227 */ 3228 public int importanceReasonCode; 3229 3230 /** 3231 * For the specified values of {@link #importanceReasonCode}, this 3232 * is the process ID of the other process that is a client of this 3233 * process. This will be 0 if no other process is using this one. 3234 */ 3235 public int importanceReasonPid; 3236 3237 /** 3238 * For the specified values of {@link #importanceReasonCode}, this 3239 * is the name of the component that is being used in this process. 3240 */ 3241 public ComponentName importanceReasonComponent; 3242 3243 /** 3244 * When {@link #importanceReasonPid} is non-0, this is the importance 3245 * of the other pid. @hide 3246 */ 3247 public int importanceReasonImportance; 3248 3249 /** 3250 * Current process state, as per PROCESS_STATE_* constants. 3251 * @hide 3252 */ 3253 public int processState; 3254 3255 public RunningAppProcessInfo() { 3256 importance = IMPORTANCE_FOREGROUND; 3257 importanceReasonCode = REASON_UNKNOWN; 3258 processState = PROCESS_STATE_IMPORTANT_FOREGROUND; 3259 } 3260 3261 public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) { 3262 processName = pProcessName; 3263 pid = pPid; 3264 pkgList = pArr; 3265 } 3266 3267 public int describeContents() { 3268 return 0; 3269 } 3270 3271 public void writeToParcel(Parcel dest, int flags) { 3272 dest.writeString(processName); 3273 dest.writeInt(pid); 3274 dest.writeInt(uid); 3275 dest.writeStringArray(pkgList); 3276 dest.writeInt(this.flags); 3277 dest.writeInt(lastTrimLevel); 3278 dest.writeInt(importance); 3279 dest.writeInt(lru); 3280 dest.writeInt(importanceReasonCode); 3281 dest.writeInt(importanceReasonPid); 3282 ComponentName.writeToParcel(importanceReasonComponent, dest); 3283 dest.writeInt(importanceReasonImportance); 3284 dest.writeInt(processState); 3285 } 3286 3287 public void readFromParcel(Parcel source) { 3288 processName = source.readString(); 3289 pid = source.readInt(); 3290 uid = source.readInt(); 3291 pkgList = source.readStringArray(); 3292 flags = source.readInt(); 3293 lastTrimLevel = source.readInt(); 3294 importance = source.readInt(); 3295 lru = source.readInt(); 3296 importanceReasonCode = source.readInt(); 3297 importanceReasonPid = source.readInt(); 3298 importanceReasonComponent = ComponentName.readFromParcel(source); 3299 importanceReasonImportance = source.readInt(); 3300 processState = source.readInt(); 3301 } 3302 3303 public static final Creator<RunningAppProcessInfo> CREATOR = 3304 new Creator<RunningAppProcessInfo>() { 3305 public RunningAppProcessInfo createFromParcel(Parcel source) { 3306 return new RunningAppProcessInfo(source); 3307 } 3308 public RunningAppProcessInfo[] newArray(int size) { 3309 return new RunningAppProcessInfo[size]; 3310 } 3311 }; 3312 3313 private RunningAppProcessInfo(Parcel source) { 3314 readFromParcel(source); 3315 } 3316 } 3317 3318 /** 3319 * Returns a list of application processes installed on external media 3320 * that are running on the device. 3321 * 3322 * <p><b>Note: this method is only intended for debugging or building 3323 * a user-facing process management UI.</b></p> 3324 * 3325 * @return Returns a list of ApplicationInfo records, or null if none 3326 * This list ordering is not specified. 3327 * @hide 3328 */ 3329 public List<ApplicationInfo> getRunningExternalApplications() { 3330 try { 3331 return getService().getRunningExternalApplications(); 3332 } catch (RemoteException e) { 3333 throw e.rethrowFromSystemServer(); 3334 } 3335 } 3336 3337 /** 3338 * Query whether the user has enabled background restrictions for this app. 3339 * 3340 * <p> The user may chose to do this, if they see that an app is consuming an unreasonable 3341 * amount of battery while in the background. </p> 3342 * 3343 * <p> If true, any work that the app tries to do will be aggressively restricted while it is in 3344 * the background. At a minimum, jobs and alarms will not execute and foreground services 3345 * cannot be started unless an app activity is in the foreground. </p> 3346 * 3347 * <p><b> Note that these restrictions stay in effect even when the device is charging.</b></p> 3348 * 3349 * @return true if user has enforced background restrictions for this app, false otherwise. 3350 */ 3351 public boolean isBackgroundRestricted() { 3352 try { 3353 return getService().isBackgroundRestricted(mContext.getOpPackageName()); 3354 } catch (RemoteException e) { 3355 throw e.rethrowFromSystemServer(); 3356 } 3357 } 3358 3359 /** 3360 * Sets the memory trim mode for a process and schedules a memory trim operation. 3361 * 3362 * <p><b>Note: this method is only intended for testing framework.</b></p> 3363 * 3364 * @return Returns true if successful. 3365 * @hide 3366 */ 3367 public boolean setProcessMemoryTrimLevel(String process, int userId, int level) { 3368 try { 3369 return getService().setProcessMemoryTrimLevel(process, userId, 3370 level); 3371 } catch (RemoteException e) { 3372 throw e.rethrowFromSystemServer(); 3373 } 3374 } 3375 3376 /** 3377 * Returns a list of application processes that are running on the device. 3378 * 3379 * <p><b>Note: this method is only intended for debugging or building 3380 * a user-facing process management UI.</b></p> 3381 * 3382 * @return Returns a list of RunningAppProcessInfo records, or null if there are no 3383 * running processes (it will not return an empty list). This list ordering is not 3384 * specified. 3385 */ 3386 public List<RunningAppProcessInfo> getRunningAppProcesses() { 3387 try { 3388 return getService().getRunningAppProcesses(); 3389 } catch (RemoteException e) { 3390 throw e.rethrowFromSystemServer(); 3391 } 3392 } 3393 3394 /** 3395 * Return the importance of a given package name, based on the processes that are 3396 * currently running. The return value is one of the importance constants defined 3397 * in {@link RunningAppProcessInfo}, giving you the highest importance of all the 3398 * processes that this package has code running inside of. If there are no processes 3399 * running its code, {@link RunningAppProcessInfo#IMPORTANCE_GONE} is returned. 3400 * @hide 3401 */ 3402 @SystemApi @TestApi 3403 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3404 public @RunningAppProcessInfo.Importance int getPackageImportance(String packageName) { 3405 try { 3406 int procState = getService().getPackageProcessState(packageName, 3407 mContext.getOpPackageName()); 3408 return RunningAppProcessInfo.procStateToImportanceForClient(procState, mContext); 3409 } catch (RemoteException e) { 3410 throw e.rethrowFromSystemServer(); 3411 } 3412 } 3413 3414 /** 3415 * Return the importance of a given uid, based on the processes that are 3416 * currently running. The return value is one of the importance constants defined 3417 * in {@link RunningAppProcessInfo}, giving you the highest importance of all the 3418 * processes that this uid has running. If there are no processes 3419 * running its code, {@link RunningAppProcessInfo#IMPORTANCE_GONE} is returned. 3420 * @hide 3421 */ 3422 @SystemApi @TestApi 3423 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3424 public @RunningAppProcessInfo.Importance int getUidImportance(int uid) { 3425 try { 3426 int procState = getService().getUidProcessState(uid, 3427 mContext.getOpPackageName()); 3428 return RunningAppProcessInfo.procStateToImportanceForClient(procState, mContext); 3429 } catch (RemoteException e) { 3430 throw e.rethrowFromSystemServer(); 3431 } 3432 } 3433 3434 /** 3435 * Callback to get reports about changes to the importance of a uid. Use with 3436 * {@link #addOnUidImportanceListener}. 3437 * @hide 3438 */ 3439 @SystemApi @TestApi 3440 public interface OnUidImportanceListener { 3441 /** 3442 * The importance if a given uid has changed. Will be one of the importance 3443 * values in {@link RunningAppProcessInfo}; 3444 * {@link RunningAppProcessInfo#IMPORTANCE_GONE IMPORTANCE_GONE} will be reported 3445 * when the uid is no longer running at all. This callback will happen on a thread 3446 * from a thread pool, not the main UI thread. 3447 * @param uid The uid whose importance has changed. 3448 * @param importance The new importance value as per {@link RunningAppProcessInfo}. 3449 */ 3450 void onUidImportance(int uid, @RunningAppProcessInfo.Importance int importance); 3451 } 3452 3453 /** 3454 * Start monitoring changes to the imoportance of uids running in the system. 3455 * @param listener The listener callback that will receive change reports. 3456 * @param importanceCutpoint The level of importance in which the caller is interested 3457 * in differences. For example, if {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE} 3458 * is used here, you will receive a call each time a uids importance transitions between 3459 * being <= {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE} and 3460 * > {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE}. 3461 * 3462 * <p>The caller must hold the {@link android.Manifest.permission#PACKAGE_USAGE_STATS} 3463 * permission to use this feature.</p> 3464 * 3465 * @throws IllegalArgumentException If the listener is already registered. 3466 * @throws SecurityException If the caller does not hold 3467 * {@link android.Manifest.permission#PACKAGE_USAGE_STATS}. 3468 * @hide 3469 */ 3470 @SystemApi @TestApi 3471 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3472 public void addOnUidImportanceListener(OnUidImportanceListener listener, 3473 @RunningAppProcessInfo.Importance int importanceCutpoint) { 3474 synchronized (this) { 3475 if (mImportanceListeners.containsKey(listener)) { 3476 throw new IllegalArgumentException("Listener already registered: " + listener); 3477 } 3478 // TODO: implement the cut point in the system process to avoid IPCs. 3479 UidObserver observer = new UidObserver(listener, mContext); 3480 try { 3481 getService().registerUidObserver(observer, 3482 UID_OBSERVER_PROCSTATE | UID_OBSERVER_GONE, 3483 RunningAppProcessInfo.importanceToProcState(importanceCutpoint), 3484 mContext.getOpPackageName()); 3485 } catch (RemoteException e) { 3486 throw e.rethrowFromSystemServer(); 3487 } 3488 mImportanceListeners.put(listener, observer); 3489 } 3490 } 3491 3492 /** 3493 * Remove an importance listener that was previously registered with 3494 * {@link #addOnUidImportanceListener}. 3495 * 3496 * @throws IllegalArgumentException If the listener is not registered. 3497 * @hide 3498 */ 3499 @SystemApi @TestApi 3500 @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) 3501 public void removeOnUidImportanceListener(OnUidImportanceListener listener) { 3502 synchronized (this) { 3503 UidObserver observer = mImportanceListeners.remove(listener); 3504 if (observer == null) { 3505 throw new IllegalArgumentException("Listener not registered: " + listener); 3506 } 3507 try { 3508 getService().unregisterUidObserver(observer); 3509 } catch (RemoteException e) { 3510 throw e.rethrowFromSystemServer(); 3511 } 3512 } 3513 } 3514 3515 /** 3516 * Return global memory state information for the calling process. This 3517 * does not fill in all fields of the {@link RunningAppProcessInfo}. The 3518 * only fields that will be filled in are 3519 * {@link RunningAppProcessInfo#pid}, 3520 * {@link RunningAppProcessInfo#uid}, 3521 * {@link RunningAppProcessInfo#lastTrimLevel}, 3522 * {@link RunningAppProcessInfo#importance}, 3523 * {@link RunningAppProcessInfo#lru}, and 3524 * {@link RunningAppProcessInfo#importanceReasonCode}. 3525 */ 3526 static public void getMyMemoryState(RunningAppProcessInfo outState) { 3527 try { 3528 getService().getMyMemoryState(outState); 3529 } catch (RemoteException e) { 3530 throw e.rethrowFromSystemServer(); 3531 } 3532 } 3533 3534 /** 3535 * Return information about the memory usage of one or more processes. 3536 * 3537 * <p><b>Note: this method is only intended for debugging or building 3538 * a user-facing process management UI.</b></p> 3539 * 3540 * @param pids The pids of the processes whose memory usage is to be 3541 * retrieved. 3542 * @return Returns an array of memory information, one for each 3543 * requested pid. 3544 */ 3545 public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { 3546 try { 3547 return getService().getProcessMemoryInfo(pids); 3548 } catch (RemoteException e) { 3549 throw e.rethrowFromSystemServer(); 3550 } 3551 } 3552 3553 /** 3554 * @deprecated This is now just a wrapper for 3555 * {@link #killBackgroundProcesses(String)}; the previous behavior here 3556 * is no longer available to applications because it allows them to 3557 * break other applications by removing their alarms, stopping their 3558 * services, etc. 3559 */ 3560 @Deprecated 3561 public void restartPackage(String packageName) { 3562 killBackgroundProcesses(packageName); 3563 } 3564 3565 /** 3566 * Have the system immediately kill all background processes associated 3567 * with the given package. This is the same as the kernel killing those 3568 * processes to reclaim memory; the system will take care of restarting 3569 * these processes in the future as needed. 3570 * 3571 * @param packageName The name of the package whose processes are to 3572 * be killed. 3573 */ 3574 @RequiresPermission(Manifest.permission.KILL_BACKGROUND_PROCESSES) 3575 public void killBackgroundProcesses(String packageName) { 3576 try { 3577 getService().killBackgroundProcesses(packageName, 3578 mContext.getUserId()); 3579 } catch (RemoteException e) { 3580 throw e.rethrowFromSystemServer(); 3581 } 3582 } 3583 3584 /** 3585 * Kills the specified UID. 3586 * @param uid The UID to kill. 3587 * @param reason The reason for the kill. 3588 * 3589 * @hide 3590 */ 3591 @SystemApi 3592 @RequiresPermission(Manifest.permission.KILL_UID) 3593 public void killUid(int uid, String reason) { 3594 try { 3595 getService().killUid(UserHandle.getAppId(uid), 3596 UserHandle.getUserId(uid), reason); 3597 } catch (RemoteException e) { 3598 throw e.rethrowFromSystemServer(); 3599 } 3600 } 3601 3602 /** 3603 * Have the system perform a force stop of everything associated with 3604 * the given application package. All processes that share its uid 3605 * will be killed, all services it has running stopped, all activities 3606 * removed, etc. In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED} 3607 * broadcast will be sent, so that any of its registered alarms can 3608 * be stopped, notifications removed, etc. 3609 * 3610 * <p>You must hold the permission 3611 * {@link android.Manifest.permission#FORCE_STOP_PACKAGES} to be able to 3612 * call this method. 3613 * 3614 * @param packageName The name of the package to be stopped. 3615 * @param userId The user for which the running package is to be stopped. 3616 * 3617 * @hide This is not available to third party applications due to 3618 * it allowing them to break other applications by stopping their 3619 * services, removing their alarms, etc. 3620 */ 3621 public void forceStopPackageAsUser(String packageName, int userId) { 3622 try { 3623 getService().forceStopPackage(packageName, userId); 3624 } catch (RemoteException e) { 3625 throw e.rethrowFromSystemServer(); 3626 } 3627 } 3628 3629 /** 3630 * @see #forceStopPackageAsUser(String, int) 3631 * @hide 3632 */ 3633 @SystemApi 3634 @RequiresPermission(Manifest.permission.FORCE_STOP_PACKAGES) 3635 public void forceStopPackage(String packageName) { 3636 forceStopPackageAsUser(packageName, mContext.getUserId()); 3637 } 3638 3639 /** 3640 * Get the device configuration attributes. 3641 */ 3642 public ConfigurationInfo getDeviceConfigurationInfo() { 3643 try { 3644 return getService().getDeviceConfigurationInfo(); 3645 } catch (RemoteException e) { 3646 throw e.rethrowFromSystemServer(); 3647 } 3648 } 3649 3650 /** 3651 * Get the preferred density of icons for the launcher. This is used when 3652 * custom drawables are created (e.g., for shortcuts). 3653 * 3654 * @return density in terms of DPI 3655 */ 3656 public int getLauncherLargeIconDensity() { 3657 final Resources res = mContext.getResources(); 3658 final int density = res.getDisplayMetrics().densityDpi; 3659 final int sw = res.getConfiguration().smallestScreenWidthDp; 3660 3661 if (sw < 600) { 3662 // Smaller than approx 7" tablets, use the regular icon size. 3663 return density; 3664 } 3665 3666 switch (density) { 3667 case DisplayMetrics.DENSITY_LOW: 3668 return DisplayMetrics.DENSITY_MEDIUM; 3669 case DisplayMetrics.DENSITY_MEDIUM: 3670 return DisplayMetrics.DENSITY_HIGH; 3671 case DisplayMetrics.DENSITY_TV: 3672 return DisplayMetrics.DENSITY_XHIGH; 3673 case DisplayMetrics.DENSITY_HIGH: 3674 return DisplayMetrics.DENSITY_XHIGH; 3675 case DisplayMetrics.DENSITY_XHIGH: 3676 return DisplayMetrics.DENSITY_XXHIGH; 3677 case DisplayMetrics.DENSITY_XXHIGH: 3678 return DisplayMetrics.DENSITY_XHIGH * 2; 3679 default: 3680 // The density is some abnormal value. Return some other 3681 // abnormal value that is a reasonable scaling of it. 3682 return (int)((density*1.5f)+.5f); 3683 } 3684 } 3685 3686 /** 3687 * Get the preferred launcher icon size. This is used when custom drawables 3688 * are created (e.g., for shortcuts). 3689 * 3690 * @return dimensions of square icons in terms of pixels 3691 */ 3692 public int getLauncherLargeIconSize() { 3693 return getLauncherLargeIconSizeInner(mContext); 3694 } 3695 3696 static int getLauncherLargeIconSizeInner(Context context) { 3697 final Resources res = context.getResources(); 3698 final int size = res.getDimensionPixelSize(android.R.dimen.app_icon_size); 3699 final int sw = res.getConfiguration().smallestScreenWidthDp; 3700 3701 if (sw < 600) { 3702 // Smaller than approx 7" tablets, use the regular icon size. 3703 return size; 3704 } 3705 3706 final int density = res.getDisplayMetrics().densityDpi; 3707 3708 switch (density) { 3709 case DisplayMetrics.DENSITY_LOW: 3710 return (size * DisplayMetrics.DENSITY_MEDIUM) / DisplayMetrics.DENSITY_LOW; 3711 case DisplayMetrics.DENSITY_MEDIUM: 3712 return (size * DisplayMetrics.DENSITY_HIGH) / DisplayMetrics.DENSITY_MEDIUM; 3713 case DisplayMetrics.DENSITY_TV: 3714 return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; 3715 case DisplayMetrics.DENSITY_HIGH: 3716 return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; 3717 case DisplayMetrics.DENSITY_XHIGH: 3718 return (size * DisplayMetrics.DENSITY_XXHIGH) / DisplayMetrics.DENSITY_XHIGH; 3719 case DisplayMetrics.DENSITY_XXHIGH: 3720 return (size * DisplayMetrics.DENSITY_XHIGH*2) / DisplayMetrics.DENSITY_XXHIGH; 3721 default: 3722 // The density is some abnormal value. Return some other 3723 // abnormal value that is a reasonable scaling of it. 3724 return (int)((size*1.5f) + .5f); 3725 } 3726 } 3727 3728 /** 3729 * Returns "true" if the user interface is currently being messed with 3730 * by a monkey. 3731 */ 3732 public static boolean isUserAMonkey() { 3733 try { 3734 return getService().isUserAMonkey(); 3735 } catch (RemoteException e) { 3736 throw e.rethrowFromSystemServer(); 3737 } 3738 } 3739 3740 /** 3741 * Returns "true" if device is running in a test harness. 3742 */ 3743 public static boolean isRunningInTestHarness() { 3744 return SystemProperties.getBoolean("ro.test_harness", false); 3745 } 3746 3747 /** 3748 * Unsupported compiled sdk warning should always be shown for the intput activity 3749 * even in cases where the system would normally not show the warning. E.g. when running in a 3750 * test harness. 3751 * 3752 * @param activity The component name of the activity to always show the warning for. 3753 * 3754 * @hide 3755 */ 3756 @TestApi 3757 public void alwaysShowUnsupportedCompileSdkWarning(ComponentName activity) { 3758 try { 3759 getService().alwaysShowUnsupportedCompileSdkWarning(activity); 3760 } catch (RemoteException e) { 3761 throw e.rethrowFromSystemServer(); 3762 } 3763 } 3764 3765 /** 3766 * Returns the launch count of each installed package. 3767 * 3768 * @hide 3769 */ 3770 /*public Map<String, Integer> getAllPackageLaunchCounts() { 3771 try { 3772 IUsageStats usageStatsService = IUsageStats.Stub.asInterface( 3773 ServiceManager.getService("usagestats")); 3774 if (usageStatsService == null) { 3775 return new HashMap<String, Integer>(); 3776 } 3777 3778 UsageStats.PackageStats[] allPkgUsageStats = usageStatsService.getAllPkgUsageStats( 3779 ActivityThread.currentPackageName()); 3780 if (allPkgUsageStats == null) { 3781 return new HashMap<String, Integer>(); 3782 } 3783 3784 Map<String, Integer> launchCounts = new HashMap<String, Integer>(); 3785 for (UsageStats.PackageStats pkgUsageStats : allPkgUsageStats) { 3786 launchCounts.put(pkgUsageStats.getPackageName(), pkgUsageStats.getLaunchCount()); 3787 } 3788 3789 return launchCounts; 3790 } catch (RemoteException e) { 3791 Log.w(TAG, "Could not query launch counts", e); 3792 return new HashMap<String, Integer>(); 3793 } 3794 }*/ 3795 3796 /** @hide */ 3797 public static int checkComponentPermission(String permission, int uid, 3798 int owningUid, boolean exported) { 3799 // Root, system server get to do everything. 3800 final int appId = UserHandle.getAppId(uid); 3801 if (appId == Process.ROOT_UID || appId == Process.SYSTEM_UID) { 3802 return PackageManager.PERMISSION_GRANTED; 3803 } 3804 // Isolated processes don't get any permissions. 3805 if (UserHandle.isIsolated(uid)) { 3806 return PackageManager.PERMISSION_DENIED; 3807 } 3808 // If there is a uid that owns whatever is being accessed, it has 3809 // blanket access to it regardless of the permissions it requires. 3810 if (owningUid >= 0 && UserHandle.isSameApp(uid, owningUid)) { 3811 return PackageManager.PERMISSION_GRANTED; 3812 } 3813 // If the target is not exported, then nobody else can get to it. 3814 if (!exported) { 3815 /* 3816 RuntimeException here = new RuntimeException("here"); 3817 here.fillInStackTrace(); 3818 Slog.w(TAG, "Permission denied: checkComponentPermission() owningUid=" + owningUid, 3819 here); 3820 */ 3821 return PackageManager.PERMISSION_DENIED; 3822 } 3823 if (permission == null) { 3824 return PackageManager.PERMISSION_GRANTED; 3825 } 3826 try { 3827 return AppGlobals.getPackageManager() 3828 .checkUidPermission(permission, uid); 3829 } catch (RemoteException e) { 3830 throw e.rethrowFromSystemServer(); 3831 } 3832 } 3833 3834 /** @hide */ 3835 public static int checkUidPermission(String permission, int uid) { 3836 try { 3837 return AppGlobals.getPackageManager() 3838 .checkUidPermission(permission, uid); 3839 } catch (RemoteException e) { 3840 throw e.rethrowFromSystemServer(); 3841 } 3842 } 3843 3844 /** 3845 * @hide 3846 * Helper for dealing with incoming user arguments to system service calls. 3847 * Takes care of checking permissions and converting USER_CURRENT to the 3848 * actual current user. 3849 * 3850 * @param callingPid The pid of the incoming call, as per Binder.getCallingPid(). 3851 * @param callingUid The uid of the incoming call, as per Binder.getCallingUid(). 3852 * @param userId The user id argument supplied by the caller -- this is the user 3853 * they want to run as. 3854 * @param allowAll If true, we will allow USER_ALL. This means you must be prepared 3855 * to get a USER_ALL returned and deal with it correctly. If false, 3856 * an exception will be thrown if USER_ALL is supplied. 3857 * @param requireFull If true, the caller must hold 3858 * {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} to be able to run as a 3859 * different user than their current process; otherwise they must hold 3860 * {@link android.Manifest.permission#INTERACT_ACROSS_USERS}. 3861 * @param name Optional textual name of the incoming call; only for generating error messages. 3862 * @param callerPackage Optional package name of caller; only for error messages. 3863 * 3864 * @return Returns the user ID that the call should run as. Will always be a concrete 3865 * user number, unless <var>allowAll</var> is true in which case it could also be 3866 * USER_ALL. 3867 */ 3868 public static int handleIncomingUser(int callingPid, int callingUid, int userId, 3869 boolean allowAll, boolean requireFull, String name, String callerPackage) { 3870 if (UserHandle.getUserId(callingUid) == userId) { 3871 return userId; 3872 } 3873 try { 3874 return getService().handleIncomingUser(callingPid, 3875 callingUid, userId, allowAll, requireFull, name, callerPackage); 3876 } catch (RemoteException e) { 3877 throw e.rethrowFromSystemServer(); 3878 } 3879 } 3880 3881 /** 3882 * Gets the userId of the current foreground user. Requires system permissions. 3883 * @hide 3884 */ 3885 @SystemApi 3886 @RequiresPermission(anyOf = { 3887 "android.permission.INTERACT_ACROSS_USERS", 3888 "android.permission.INTERACT_ACROSS_USERS_FULL" 3889 }) 3890 public static int getCurrentUser() { 3891 UserInfo ui; 3892 try { 3893 ui = getService().getCurrentUser(); 3894 return ui != null ? ui.id : 0; 3895 } catch (RemoteException e) { 3896 throw e.rethrowFromSystemServer(); 3897 } 3898 } 3899 3900 /** 3901 * @param userid the user's id. Zero indicates the default user. 3902 * @hide 3903 */ 3904 public boolean switchUser(int userid) { 3905 try { 3906 return getService().switchUser(userid); 3907 } catch (RemoteException e) { 3908 throw e.rethrowFromSystemServer(); 3909 } 3910 } 3911 3912 /** 3913 * Logs out current current foreground user by switching to the system user and stopping the 3914 * user being switched from. 3915 * @hide 3916 */ 3917 public static void logoutCurrentUser() { 3918 int currentUser = ActivityManager.getCurrentUser(); 3919 if (currentUser != UserHandle.USER_SYSTEM) { 3920 try { 3921 getService().switchUser(UserHandle.USER_SYSTEM); 3922 getService().stopUser(currentUser, /* force= */ false, null); 3923 } catch (RemoteException e) { 3924 e.rethrowFromSystemServer(); 3925 } 3926 } 3927 } 3928 3929 /** {@hide} */ 3930 public static final int FLAG_OR_STOPPED = 1 << 0; 3931 /** {@hide} */ 3932 public static final int FLAG_AND_LOCKED = 1 << 1; 3933 /** {@hide} */ 3934 public static final int FLAG_AND_UNLOCKED = 1 << 2; 3935 /** {@hide} */ 3936 public static final int FLAG_AND_UNLOCKING_OR_UNLOCKED = 1 << 3; 3937 3938 /** 3939 * Return whether the given user is actively running. This means that 3940 * the user is in the "started" state, not "stopped" -- it is currently 3941 * allowed to run code through scheduled alarms, receiving broadcasts, 3942 * etc. A started user may be either the current foreground user or a 3943 * background user; the result here does not distinguish between the two. 3944 * @param userId the user's id. Zero indicates the default user. 3945 * @hide 3946 */ 3947 public boolean isUserRunning(int userId) { 3948 try { 3949 return getService().isUserRunning(userId, 0); 3950 } catch (RemoteException e) { 3951 throw e.rethrowFromSystemServer(); 3952 } 3953 } 3954 3955 /** {@hide} */ 3956 public boolean isVrModePackageEnabled(ComponentName component) { 3957 try { 3958 return getService().isVrModePackageEnabled(component); 3959 } catch (RemoteException e) { 3960 throw e.rethrowFromSystemServer(); 3961 } 3962 } 3963 3964 /** 3965 * Perform a system dump of various state associated with the given application 3966 * package name. This call blocks while the dump is being performed, so should 3967 * not be done on a UI thread. The data will be written to the given file 3968 * descriptor as text. 3969 * @param fd The file descriptor that the dump should be written to. The file 3970 * descriptor is <em>not</em> closed by this function; the caller continues to 3971 * own it. 3972 * @param packageName The name of the package that is to be dumped. 3973 */ 3974 @RequiresPermission(Manifest.permission.DUMP) 3975 public void dumpPackageState(FileDescriptor fd, String packageName) { 3976 dumpPackageStateStatic(fd, packageName); 3977 } 3978 3979 /** 3980 * @hide 3981 */ 3982 public static void dumpPackageStateStatic(FileDescriptor fd, String packageName) { 3983 FileOutputStream fout = new FileOutputStream(fd); 3984 PrintWriter pw = new FastPrintWriter(fout); 3985 dumpService(pw, fd, "package", new String[] { packageName }); 3986 pw.println(); 3987 dumpService(pw, fd, Context.ACTIVITY_SERVICE, new String[] { 3988 "-a", "package", packageName }); 3989 pw.println(); 3990 dumpService(pw, fd, "meminfo", new String[] { "--local", "--package", packageName }); 3991 pw.println(); 3992 dumpService(pw, fd, ProcessStats.SERVICE_NAME, new String[] { packageName }); 3993 pw.println(); 3994 dumpService(pw, fd, "usagestats", new String[] { packageName }); 3995 pw.println(); 3996 dumpService(pw, fd, BatteryStats.SERVICE_NAME, new String[] { packageName }); 3997 pw.flush(); 3998 } 3999 4000 /** 4001 * @hide 4002 */ 4003 public static boolean isSystemReady() { 4004 if (!sSystemReady) { 4005 if (ActivityThread.isSystem()) { 4006 sSystemReady = 4007 LocalServices.getService(ActivityManagerInternal.class).isSystemReady(); 4008 } else { 4009 // Since this is being called from outside system server, system should be 4010 // ready by now. 4011 sSystemReady = true; 4012 } 4013 } 4014 return sSystemReady; 4015 } 4016 4017 /** 4018 * @hide 4019 */ 4020 public static void broadcastStickyIntent(Intent intent, int userId) { 4021 broadcastStickyIntent(intent, AppOpsManager.OP_NONE, userId); 4022 } 4023 4024 /** 4025 * Convenience for sending a sticky broadcast. For internal use only. 4026 * 4027 * @hide 4028 */ 4029 public static void broadcastStickyIntent(Intent intent, int appOp, int userId) { 4030 try { 4031 getService().broadcastIntent( 4032 null, intent, null, null, Activity.RESULT_OK, null, null, 4033 null /*permission*/, appOp, null, false, true, userId); 4034 } catch (RemoteException ex) { 4035 } 4036 } 4037 4038 /** 4039 * @hide 4040 */ 4041 public static void noteWakeupAlarm(PendingIntent ps, WorkSource workSource, int sourceUid, 4042 String sourcePkg, String tag) { 4043 try { 4044 getService().noteWakeupAlarm((ps != null) ? ps.getTarget() : null, workSource, 4045 sourceUid, sourcePkg, tag); 4046 } catch (RemoteException ex) { 4047 } 4048 } 4049 4050 /** 4051 * @hide 4052 */ 4053 public static void noteAlarmStart(PendingIntent ps, WorkSource workSource, int sourceUid, 4054 String tag) { 4055 try { 4056 getService().noteAlarmStart((ps != null) ? ps.getTarget() : null, workSource, 4057 sourceUid, tag); 4058 } catch (RemoteException ex) { 4059 } 4060 } 4061 4062 4063 /** 4064 * @hide 4065 */ 4066 public static void noteAlarmFinish(PendingIntent ps, WorkSource workSource, int sourceUid, 4067 String tag) { 4068 try { 4069 getService().noteAlarmFinish((ps != null) ? ps.getTarget() : null, workSource, 4070 sourceUid, tag); 4071 } catch (RemoteException ex) { 4072 } 4073 } 4074 4075 /** 4076 * @hide 4077 */ 4078 public static IActivityManager getService() { 4079 return IActivityManagerSingleton.get(); 4080 } 4081 4082 private static final Singleton<IActivityManager> IActivityManagerSingleton = 4083 new Singleton<IActivityManager>() { 4084 @Override 4085 protected IActivityManager create() { 4086 final IBinder b = ServiceManager.getService(Context.ACTIVITY_SERVICE); 4087 final IActivityManager am = IActivityManager.Stub.asInterface(b); 4088 return am; 4089 } 4090 }; 4091 4092 private static void dumpService(PrintWriter pw, FileDescriptor fd, String name, String[] args) { 4093 pw.print("DUMP OF SERVICE "); pw.print(name); pw.println(":"); 4094 IBinder service = ServiceManager.checkService(name); 4095 if (service == null) { 4096 pw.println(" (Service not found)"); 4097 pw.flush(); 4098 return; 4099 } 4100 pw.flush(); 4101 if (service instanceof Binder) { 4102 // If this is a local object, it doesn't make sense to do an async dump with it, 4103 // just directly dump. 4104 try { 4105 service.dump(fd, args); 4106 } catch (Throwable e) { 4107 pw.println("Failure dumping service:"); 4108 e.printStackTrace(pw); 4109 pw.flush(); 4110 } 4111 } else { 4112 // Otherwise, it is remote, do the dump asynchronously to avoid blocking. 4113 TransferPipe tp = null; 4114 try { 4115 pw.flush(); 4116 tp = new TransferPipe(); 4117 tp.setBufferPrefix(" "); 4118 service.dumpAsync(tp.getWriteFd().getFileDescriptor(), args); 4119 tp.go(fd, 10000); 4120 } catch (Throwable e) { 4121 if (tp != null) { 4122 tp.kill(); 4123 } 4124 pw.println("Failure dumping service:"); 4125 e.printStackTrace(pw); 4126 } 4127 } 4128 } 4129 4130 /** 4131 * Request that the system start watching for the calling process to exceed a pss 4132 * size as given here. Once called, the system will look for any occasions where it 4133 * sees the associated process with a larger pss size and, when this happens, automatically 4134 * pull a heap dump from it and allow the user to share the data. Note that this request 4135 * continues running even if the process is killed and restarted. To remove the watch, 4136 * use {@link #clearWatchHeapLimit()}. 4137 * 4138 * <p>This API only work if the calling process has been marked as 4139 * {@link ApplicationInfo#FLAG_DEBUGGABLE} or this is running on a debuggable 4140 * (userdebug or eng) build.</p> 4141 * 4142 * <p>Callers can optionally implement {@link #ACTION_REPORT_HEAP_LIMIT} to directly 4143 * handle heap limit reports themselves.</p> 4144 * 4145 * @param pssSize The size in bytes to set the limit at. 4146 */ 4147 public void setWatchHeapLimit(long pssSize) { 4148 try { 4149 getService().setDumpHeapDebugLimit(null, 0, pssSize, 4150 mContext.getPackageName()); 4151 } catch (RemoteException e) { 4152 throw e.rethrowFromSystemServer(); 4153 } 4154 } 4155 4156 /** 4157 * Action an app can implement to handle reports from {@link #setWatchHeapLimit(long)}. 4158 * If your package has an activity handling this action, it will be launched with the 4159 * heap data provided to it the same way as {@link Intent#ACTION_SEND}. Note that to 4160 * match the activty must support this action and a MIME type of "*/*". 4161 */ 4162 public static final String ACTION_REPORT_HEAP_LIMIT = "android.app.action.REPORT_HEAP_LIMIT"; 4163 4164 /** 4165 * Clear a heap watch limit previously set by {@link #setWatchHeapLimit(long)}. 4166 */ 4167 public void clearWatchHeapLimit() { 4168 try { 4169 getService().setDumpHeapDebugLimit(null, 0, 0, null); 4170 } catch (RemoteException e) { 4171 throw e.rethrowFromSystemServer(); 4172 } 4173 } 4174 4175 /** 4176 * Return whether currently in lock task mode. When in this mode 4177 * no new tasks can be created or switched to. 4178 * 4179 * @see Activity#startLockTask() 4180 * 4181 * @deprecated Use {@link #getLockTaskModeState} instead. 4182 */ 4183 @Deprecated 4184 public boolean isInLockTaskMode() { 4185 return getLockTaskModeState() != LOCK_TASK_MODE_NONE; 4186 } 4187 4188 /** 4189 * Return the current state of task locking. The three possible outcomes 4190 * are {@link #LOCK_TASK_MODE_NONE}, {@link #LOCK_TASK_MODE_LOCKED} 4191 * and {@link #LOCK_TASK_MODE_PINNED}. 4192 * 4193 * @see Activity#startLockTask() 4194 */ 4195 public int getLockTaskModeState() { 4196 try { 4197 return getService().getLockTaskModeState(); 4198 } catch (RemoteException e) { 4199 throw e.rethrowFromSystemServer(); 4200 } 4201 } 4202 4203 /** 4204 * Enable more aggressive scheduling for latency-sensitive low-runtime VR threads. Only one 4205 * thread can be a VR thread in a process at a time, and that thread may be subject to 4206 * restrictions on the amount of time it can run. 4207 * 4208 * If persistent VR mode is set, whatever thread has been granted aggressive scheduling via this 4209 * method will return to normal operation, and calling this method will do nothing while 4210 * persistent VR mode is enabled. 4211 * 4212 * To reset the VR thread for an application, a tid of 0 can be passed. 4213 * 4214 * @see android.os.Process#myTid() 4215 * @param tid tid of the VR thread 4216 */ 4217 public static void setVrThread(int tid) { 4218 try { 4219 getService().setVrThread(tid); 4220 } catch (RemoteException e) { 4221 // pass 4222 } 4223 } 4224 4225 /** 4226 * Enable more aggressive scheduling for latency-sensitive low-runtime VR threads that persist 4227 * beyond a single process. Only one thread can be a 4228 * persistent VR thread at a time, and that thread may be subject to restrictions on the amount 4229 * of time it can run. Calling this method will disable aggressive scheduling for non-persistent 4230 * VR threads set via {@link #setVrThread}. If persistent VR mode is disabled then the 4231 * persistent VR thread loses its new scheduling priority; this method must be called again to 4232 * set the persistent thread. 4233 * 4234 * To reset the persistent VR thread, a tid of 0 can be passed. 4235 * 4236 * @see android.os.Process#myTid() 4237 * @param tid tid of the VR thread 4238 * @hide 4239 */ 4240 @RequiresPermission(Manifest.permission.RESTRICTED_VR_ACCESS) 4241 public static void setPersistentVrThread(int tid) { 4242 try { 4243 getService().setPersistentVrThread(tid); 4244 } catch (RemoteException e) { 4245 // pass 4246 } 4247 } 4248 4249 /** 4250 * The AppTask allows you to manage your own application's tasks. 4251 * See {@link android.app.ActivityManager#getAppTasks()} 4252 */ 4253 public static class AppTask { 4254 private IAppTask mAppTaskImpl; 4255 4256 /** @hide */ 4257 public AppTask(IAppTask task) { 4258 mAppTaskImpl = task; 4259 } 4260 4261 /** 4262 * Finishes all activities in this task and removes it from the recent tasks list. 4263 */ 4264 public void finishAndRemoveTask() { 4265 try { 4266 mAppTaskImpl.finishAndRemoveTask(); 4267 } catch (RemoteException e) { 4268 throw e.rethrowFromSystemServer(); 4269 } 4270 } 4271 4272 /** 4273 * Get the RecentTaskInfo associated with this task. 4274 * 4275 * @return The RecentTaskInfo for this task, or null if the task no longer exists. 4276 */ 4277 public RecentTaskInfo getTaskInfo() { 4278 try { 4279 return mAppTaskImpl.getTaskInfo(); 4280 } catch (RemoteException e) { 4281 throw e.rethrowFromSystemServer(); 4282 } 4283 } 4284 4285 /** 4286 * Bring this task to the foreground. If it contains activities, they will be 4287 * brought to the foreground with it and their instances re-created if needed. 4288 * If it doesn't contain activities, the root activity of the task will be 4289 * re-launched. 4290 */ 4291 public void moveToFront() { 4292 try { 4293 mAppTaskImpl.moveToFront(); 4294 } catch (RemoteException e) { 4295 throw e.rethrowFromSystemServer(); 4296 } 4297 } 4298 4299 /** 4300 * Start an activity in this task. Brings the task to the foreground. If this task 4301 * is not currently active (that is, its id < 0), then a new activity for the given 4302 * Intent will be launched as the root of the task and the task brought to the 4303 * foreground. Otherwise, if this task is currently active and the Intent does not specify 4304 * an activity to launch in a new task, then a new activity for the given Intent will 4305 * be launched on top of the task and the task brought to the foreground. If this 4306 * task is currently active and the Intent specifies {@link Intent#FLAG_ACTIVITY_NEW_TASK} 4307 * or would otherwise be launched in to a new task, then the activity not launched but 4308 * this task be brought to the foreground and a new intent delivered to the top 4309 * activity if appropriate. 4310 * 4311 * <p>In other words, you generally want to use an Intent here that does not specify 4312 * {@link Intent#FLAG_ACTIVITY_NEW_TASK} or {@link Intent#FLAG_ACTIVITY_NEW_DOCUMENT}, 4313 * and let the system do the right thing.</p> 4314 * 4315 * @param intent The Intent describing the new activity to be launched on the task. 4316 * @param options Optional launch options. 4317 * 4318 * @see Activity#startActivity(android.content.Intent, android.os.Bundle) 4319 */ 4320 public void startActivity(Context context, Intent intent, Bundle options) { 4321 ActivityThread thread = ActivityThread.currentActivityThread(); 4322 thread.getInstrumentation().execStartActivityFromAppTask(context, 4323 thread.getApplicationThread(), mAppTaskImpl, intent, options); 4324 } 4325 4326 /** 4327 * Modify the {@link Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag in the root 4328 * Intent of this AppTask. 4329 * 4330 * @param exclude If true, {@link Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} will 4331 * be set; otherwise, it will be cleared. 4332 */ 4333 public void setExcludeFromRecents(boolean exclude) { 4334 try { 4335 mAppTaskImpl.setExcludeFromRecents(exclude); 4336 } catch (RemoteException e) { 4337 throw e.rethrowFromSystemServer(); 4338 } 4339 } 4340 } 4341} 4342