UsageStatsManager.java revision 853e53f6e8063362cfa5f6417a1c15cddf01601f
1/** 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 17package android.app.usage; 18 19import android.annotation.IntDef; 20import android.annotation.RequiresPermission; 21import android.annotation.SystemApi; 22import android.annotation.SystemService; 23import android.app.PendingIntent; 24import android.content.Context; 25import android.content.pm.ParceledListSlice; 26import android.os.RemoteException; 27import android.os.UserHandle; 28import android.util.ArrayMap; 29 30import java.lang.annotation.Retention; 31import java.lang.annotation.RetentionPolicy; 32import java.util.ArrayList; 33import java.util.Collections; 34import java.util.List; 35import java.util.Map; 36import java.util.concurrent.TimeUnit; 37 38/** 39 * Provides access to device usage history and statistics. Usage data is aggregated into 40 * time intervals: days, weeks, months, and years. 41 * <p /> 42 * When requesting usage data since a particular time, the request might look something like this: 43 * <pre> 44 * PAST REQUEST_TIME TODAY FUTURE 45 * ————————————————————————————||———————————————————————————¦-----------------------| 46 * YEAR || ¦ | 47 * ————————————————————————————||———————————————————————————¦-----------------------| 48 * MONTH | || MONTH ¦ | 49 * ——————————————————|—————————||———————————————————————————¦-----------------------| 50 * | WEEK | WEEK|| | WEEK | WE¦EK | WEEK | 51 * ————————————————————————————||———————————————————|———————¦-----------------------| 52 * || |DAY|DAY|DAY|DAY¦DAY|DAY|DAY|DAY|DAY|DAY| 53 * ————————————————————————————||———————————————————————————¦-----------------------| 54 * </pre> 55 * A request for data in the middle of a time interval will include that interval. 56 * <p/> 57 * <b>NOTE:</b> Most methods on this API require the permission 58 * android.permission.PACKAGE_USAGE_STATS. However, declaring the permission implies intention to 59 * use the API and the user of the device still needs to grant permission through the Settings 60 * application. 61 * See {@link android.provider.Settings#ACTION_USAGE_ACCESS_SETTINGS}. 62 * Methods which only return the information for the calling package do not require this permission. 63 * E.g. {@link #getAppStandbyBucket()} and {@link #queryEventsForSelf(long, long)}. 64 */ 65@SystemService(Context.USAGE_STATS_SERVICE) 66public final class UsageStatsManager { 67 68 /** 69 * An interval type that spans a day. See {@link #queryUsageStats(int, long, long)}. 70 */ 71 public static final int INTERVAL_DAILY = 0; 72 73 /** 74 * An interval type that spans a week. See {@link #queryUsageStats(int, long, long)}. 75 */ 76 public static final int INTERVAL_WEEKLY = 1; 77 78 /** 79 * An interval type that spans a month. See {@link #queryUsageStats(int, long, long)}. 80 */ 81 public static final int INTERVAL_MONTHLY = 2; 82 83 /** 84 * An interval type that spans a year. See {@link #queryUsageStats(int, long, long)}. 85 */ 86 public static final int INTERVAL_YEARLY = 3; 87 88 /** 89 * An interval type that will use the best fit interval for the given time range. 90 * See {@link #queryUsageStats(int, long, long)}. 91 */ 92 public static final int INTERVAL_BEST = 4; 93 94 /** 95 * The number of available intervals. Does not include {@link #INTERVAL_BEST}, since it 96 * is a pseudo interval (it actually selects a real interval). 97 * {@hide} 98 */ 99 public static final int INTERVAL_COUNT = 4; 100 101 102 /** 103 * The app is whitelisted for some reason and the bucket cannot be changed. 104 * {@hide} 105 */ 106 @SystemApi 107 public static final int STANDBY_BUCKET_EXEMPTED = 5; 108 109 /** 110 * The app was used very recently, currently in use or likely to be used very soon. Standby 111 * bucket values that are ≤ {@link #STANDBY_BUCKET_ACTIVE} will not be throttled by the 112 * system while they are in this bucket. Buckets > {@link #STANDBY_BUCKET_ACTIVE} will most 113 * likely be restricted in some way. For instance, jobs and alarms may be deferred. 114 * @see #getAppStandbyBucket() 115 */ 116 public static final int STANDBY_BUCKET_ACTIVE = 10; 117 118 /** 119 * The app was used recently and/or likely to be used in the next few hours. Restrictions will 120 * apply to these apps, such as deferral of jobs and alarms. 121 * @see #getAppStandbyBucket() 122 */ 123 public static final int STANDBY_BUCKET_WORKING_SET = 20; 124 125 /** 126 * The app was used in the last few days and/or likely to be used in the next few days. 127 * Restrictions will apply to these apps, such as deferral of jobs and alarms. The delays may be 128 * greater than for apps in higher buckets (lower bucket value). Bucket values > 129 * {@link #STANDBY_BUCKET_FREQUENT} may additionally have network access limited. 130 * @see #getAppStandbyBucket() 131 */ 132 public static final int STANDBY_BUCKET_FREQUENT = 30; 133 134 /** 135 * The app has not be used for several days and/or is unlikely to be used for several days. 136 * Apps in this bucket will have the most restrictions, including network restrictions, except 137 * during certain short periods (at a minimum, once a day) when they are allowed to execute 138 * jobs, access the network, etc. 139 * @see #getAppStandbyBucket() 140 */ 141 public static final int STANDBY_BUCKET_RARE = 40; 142 143 /** 144 * The app has never been used. 145 * {@hide} 146 */ 147 @SystemApi 148 public static final int STANDBY_BUCKET_NEVER = 50; 149 150 /** @hide */ 151 public static final int REASON_MAIN_MASK = 0xFF00; 152 /** @hide */ 153 public static final int REASON_MAIN_DEFAULT = 0x0100; 154 /** @hide */ 155 public static final int REASON_MAIN_TIMEOUT = 0x0200; 156 /** @hide */ 157 public static final int REASON_MAIN_USAGE = 0x0300; 158 /** @hide */ 159 public static final int REASON_MAIN_FORCED = 0x0400; 160 /** @hide */ 161 public static final int REASON_MAIN_PREDICTED = 0x0500; 162 163 /** @hide */ 164 public static final int REASON_SUB_MASK = 0x00FF; 165 /** @hide */ 166 public static final int REASON_SUB_USAGE_SYSTEM_INTERACTION = 0x0001; 167 /** @hide */ 168 public static final int REASON_SUB_USAGE_NOTIFICATION_SEEN = 0x0002; 169 /** @hide */ 170 public static final int REASON_SUB_USAGE_USER_INTERACTION = 0x0003; 171 /** @hide */ 172 public static final int REASON_SUB_USAGE_MOVE_TO_FOREGROUND = 0x0004; 173 /** @hide */ 174 public static final int REASON_SUB_USAGE_MOVE_TO_BACKGROUND = 0x0005; 175 /** @hide */ 176 public static final int REASON_SUB_USAGE_SYSTEM_UPDATE = 0x0006; 177 /** @hide */ 178 public static final int REASON_SUB_USAGE_ACTIVE_TIMEOUT = 0x0007; 179 /** @hide */ 180 public static final int REASON_SUB_USAGE_SYNC_ADAPTER = 0x0008; 181 182 /** @hide */ 183 @IntDef(flag = false, prefix = { "STANDBY_BUCKET_" }, value = { 184 STANDBY_BUCKET_EXEMPTED, 185 STANDBY_BUCKET_ACTIVE, 186 STANDBY_BUCKET_WORKING_SET, 187 STANDBY_BUCKET_FREQUENT, 188 STANDBY_BUCKET_RARE, 189 STANDBY_BUCKET_NEVER, 190 }) 191 @Retention(RetentionPolicy.SOURCE) 192 public @interface StandbyBuckets {} 193 194 /** 195 * Observer id of the registered observer for the group of packages that reached the usage 196 * time limit. Included as an extra in the PendingIntent that was registered. 197 * @hide 198 */ 199 @SystemApi 200 public static final String EXTRA_OBSERVER_ID = "android.app.usage.extra.OBSERVER_ID"; 201 202 /** 203 * Original time limit in milliseconds specified by the registered observer for the group of 204 * packages that reached the usage time limit. Included as an extra in the PendingIntent that 205 * was registered. 206 * @hide 207 */ 208 @SystemApi 209 public static final String EXTRA_TIME_LIMIT = "android.app.usage.extra.TIME_LIMIT"; 210 211 /** 212 * Actual usage time in milliseconds for the group of packages that reached the specified time 213 * limit. Included as an extra in the PendingIntent that was registered. 214 * @hide 215 */ 216 @SystemApi 217 public static final String EXTRA_TIME_USED = "android.app.usage.extra.TIME_USED"; 218 219 private static final UsageEvents sEmptyResults = new UsageEvents(); 220 221 private final Context mContext; 222 private final IUsageStatsManager mService; 223 224 /** 225 * {@hide} 226 */ 227 public UsageStatsManager(Context context, IUsageStatsManager service) { 228 mContext = context; 229 mService = service; 230 } 231 232 /** 233 * Gets application usage stats for the given time range, aggregated by the specified interval. 234 * <p>The returned list will contain a {@link UsageStats} object for each package that 235 * has data for an interval that is a subset of the time range given. To illustrate:</p> 236 * <pre> 237 * intervalType = INTERVAL_YEARLY 238 * beginTime = 2013 239 * endTime = 2015 (exclusive) 240 * 241 * Results: 242 * 2013 - com.example.alpha 243 * 2013 - com.example.beta 244 * 2014 - com.example.alpha 245 * 2014 - com.example.beta 246 * 2014 - com.example.charlie 247 * </pre> 248 * 249 * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p> 250 * 251 * @param intervalType The time interval by which the stats are aggregated. 252 * @param beginTime The inclusive beginning of the range of stats to include in the results. 253 * @param endTime The exclusive end of the range of stats to include in the results. 254 * @return A list of {@link UsageStats} 255 * 256 * @see #INTERVAL_DAILY 257 * @see #INTERVAL_WEEKLY 258 * @see #INTERVAL_MONTHLY 259 * @see #INTERVAL_YEARLY 260 * @see #INTERVAL_BEST 261 */ 262 public List<UsageStats> queryUsageStats(int intervalType, long beginTime, long endTime) { 263 try { 264 @SuppressWarnings("unchecked") 265 ParceledListSlice<UsageStats> slice = mService.queryUsageStats(intervalType, beginTime, 266 endTime, mContext.getOpPackageName()); 267 if (slice != null) { 268 return slice.getList(); 269 } 270 } catch (RemoteException e) { 271 // fallthrough and return the empty list. 272 } 273 return Collections.emptyList(); 274 } 275 276 /** 277 * Gets the hardware configurations the device was in for the given time range, aggregated by 278 * the specified interval. The results are ordered as in 279 * {@link #queryUsageStats(int, long, long)}. 280 * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p> 281 * 282 * @param intervalType The time interval by which the stats are aggregated. 283 * @param beginTime The inclusive beginning of the range of stats to include in the results. 284 * @param endTime The exclusive end of the range of stats to include in the results. 285 * @return A list of {@link ConfigurationStats} 286 */ 287 public List<ConfigurationStats> queryConfigurations(int intervalType, long beginTime, 288 long endTime) { 289 try { 290 @SuppressWarnings("unchecked") 291 ParceledListSlice<ConfigurationStats> slice = mService.queryConfigurationStats( 292 intervalType, beginTime, endTime, mContext.getOpPackageName()); 293 if (slice != null) { 294 return slice.getList(); 295 } 296 } catch (RemoteException e) { 297 // fallthrough and return the empty list. 298 } 299 return Collections.emptyList(); 300 } 301 302 /** 303 * Query for events in the given time range. Events are only kept by the system for a few 304 * days. 305 * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p> 306 * 307 * @param beginTime The inclusive beginning of the range of events to include in the results. 308 * @param endTime The exclusive end of the range of events to include in the results. 309 * @return A {@link UsageEvents}. 310 */ 311 public UsageEvents queryEvents(long beginTime, long endTime) { 312 try { 313 UsageEvents iter = mService.queryEvents(beginTime, endTime, 314 mContext.getOpPackageName()); 315 if (iter != null) { 316 return iter; 317 } 318 } catch (RemoteException e) { 319 // fallthrough and return empty result. 320 } 321 return sEmptyResults; 322 } 323 324 /** 325 * Like {@link #queryEvents(long, long)}, but only returns events for the calling package. 326 * 327 * @param beginTime The inclusive beginning of the range of events to include in the results. 328 * @param endTime The exclusive end of the range of events to include in the results. 329 * @return A {@link UsageEvents} object. 330 * 331 * @see #queryEvents(long, long) 332 */ 333 public UsageEvents queryEventsForSelf(long beginTime, long endTime) { 334 try { 335 final UsageEvents events = mService.queryEventsForPackage(beginTime, endTime, 336 mContext.getOpPackageName()); 337 if (events != null) { 338 return events; 339 } 340 } catch (RemoteException e) { 341 // fallthrough 342 } 343 return sEmptyResults; 344 } 345 346 /** 347 * A convenience method that queries for all stats in the given range (using the best interval 348 * for that range), merges the resulting data, and keys it by package name. 349 * See {@link #queryUsageStats(int, long, long)}. 350 * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p> 351 * 352 * @param beginTime The inclusive beginning of the range of stats to include in the results. 353 * @param endTime The exclusive end of the range of stats to include in the results. 354 * @return A {@link java.util.Map} keyed by package name 355 */ 356 public Map<String, UsageStats> queryAndAggregateUsageStats(long beginTime, long endTime) { 357 List<UsageStats> stats = queryUsageStats(INTERVAL_BEST, beginTime, endTime); 358 if (stats.isEmpty()) { 359 return Collections.emptyMap(); 360 } 361 362 ArrayMap<String, UsageStats> aggregatedStats = new ArrayMap<>(); 363 final int statCount = stats.size(); 364 for (int i = 0; i < statCount; i++) { 365 UsageStats newStat = stats.get(i); 366 UsageStats existingStat = aggregatedStats.get(newStat.getPackageName()); 367 if (existingStat == null) { 368 aggregatedStats.put(newStat.mPackageName, newStat); 369 } else { 370 existingStat.add(newStat); 371 } 372 } 373 return aggregatedStats; 374 } 375 376 /** 377 * Returns whether the specified app is currently considered inactive. This will be true if the 378 * app hasn't been used directly or indirectly for a period of time defined by the system. This 379 * could be of the order of several hours or days. 380 * @param packageName The package name of the app to query 381 * @return whether the app is currently considered inactive 382 */ 383 public boolean isAppInactive(String packageName) { 384 try { 385 return mService.isAppInactive(packageName, mContext.getUserId()); 386 } catch (RemoteException e) { 387 // fall through and return default 388 } 389 return false; 390 } 391 392 /** 393 * {@hide} 394 */ 395 public void setAppInactive(String packageName, boolean inactive) { 396 try { 397 mService.setAppInactive(packageName, inactive, mContext.getUserId()); 398 } catch (RemoteException e) { 399 // fall through 400 } 401 } 402 403 /** 404 * Returns the current standby bucket of the calling app. The system determines the standby 405 * state of the app based on app usage patterns. Standby buckets determine how much an app will 406 * be restricted from running background tasks such as jobs and alarms. 407 * <p>Restrictions increase progressively from {@link #STANDBY_BUCKET_ACTIVE} to 408 * {@link #STANDBY_BUCKET_RARE}, with {@link #STANDBY_BUCKET_ACTIVE} being the least 409 * restrictive. The battery level of the device might also affect the restrictions. 410 * <p>Apps in buckets ≤ {@link #STANDBY_BUCKET_ACTIVE} have no standby restrictions imposed. 411 * Apps in buckets > {@link #STANDBY_BUCKET_FREQUENT} may have network access restricted when 412 * running in the background. 413 * <p>The standby state of an app can change at any time either due to a user interaction or a 414 * system interaction or some algorithm determining that the app can be restricted for a period 415 * of time before the user has a need for it. 416 * <p>You can also query the recent history of standby bucket changes by calling 417 * {@link #queryEventsForSelf(long, long)} and searching for 418 * {@link UsageEvents.Event#STANDBY_BUCKET_CHANGED}. 419 * 420 * @return the current standby bucket of the calling app. One of STANDBY_BUCKET_* constants. 421 */ 422 public @StandbyBuckets int getAppStandbyBucket() { 423 try { 424 return mService.getAppStandbyBucket(mContext.getOpPackageName(), 425 mContext.getOpPackageName(), 426 mContext.getUserId()); 427 } catch (RemoteException e) { 428 } 429 return STANDBY_BUCKET_ACTIVE; 430 } 431 432 /** 433 * {@hide} 434 * Returns the current standby bucket of the specified app. The caller must hold the permission 435 * android.permission.PACKAGE_USAGE_STATS. 436 * @param packageName the package for which to fetch the current standby bucket. 437 */ 438 @SystemApi 439 @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) 440 public @StandbyBuckets int getAppStandbyBucket(String packageName) { 441 try { 442 return mService.getAppStandbyBucket(packageName, mContext.getOpPackageName(), 443 mContext.getUserId()); 444 } catch (RemoteException e) { 445 } 446 return STANDBY_BUCKET_ACTIVE; 447 } 448 449 /** 450 * {@hide} 451 * Changes an app's standby bucket to the provided value. The caller can only set the standby 452 * bucket for a different app than itself. 453 * @param packageName the package name of the app to set the bucket for. A SecurityException 454 * will be thrown if the package name is that of the caller. 455 * @param bucket the standby bucket to set it to, which should be one of STANDBY_BUCKET_*. 456 * Setting a standby bucket outside of the range of STANDBY_BUCKET_ACTIVE to 457 * STANDBY_BUCKET_NEVER will result in a SecurityException. 458 */ 459 @SystemApi 460 @RequiresPermission(android.Manifest.permission.CHANGE_APP_IDLE_STATE) 461 public void setAppStandbyBucket(String packageName, @StandbyBuckets int bucket) { 462 try { 463 mService.setAppStandbyBucket(packageName, bucket, mContext.getUserId()); 464 } catch (RemoteException e) { 465 // Nothing to do 466 } 467 } 468 469 /** 470 * {@hide} 471 * Returns the current standby bucket of every app that has a bucket assigned to it. 472 * The caller must hold the permission android.permission.PACKAGE_USAGE_STATS. The key of the 473 * returned Map is the package name and the value is the bucket assigned to the package. 474 * @see #getAppStandbyBucket() 475 */ 476 @SystemApi 477 @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) 478 public Map<String, Integer> getAppStandbyBuckets() { 479 try { 480 final ParceledListSlice<AppStandbyInfo> slice = mService.getAppStandbyBuckets( 481 mContext.getOpPackageName(), mContext.getUserId()); 482 final List<AppStandbyInfo> bucketList = slice.getList(); 483 final ArrayMap<String, Integer> bucketMap = new ArrayMap<>(); 484 final int n = bucketList.size(); 485 for (int i = 0; i < n; i++) { 486 final AppStandbyInfo bucketInfo = bucketList.get(i); 487 bucketMap.put(bucketInfo.mPackageName, bucketInfo.mStandbyBucket); 488 } 489 return bucketMap; 490 } catch (RemoteException e) { 491 } 492 return Collections.EMPTY_MAP; 493 } 494 495 /** 496 * {@hide} 497 * Changes the app standby bucket for multiple apps at once. The Map is keyed by the package 498 * name and the value is one of STANDBY_BUCKET_*. 499 * @param appBuckets a map of package name to bucket value. 500 */ 501 @SystemApi 502 @RequiresPermission(android.Manifest.permission.CHANGE_APP_IDLE_STATE) 503 public void setAppStandbyBuckets(Map<String, Integer> appBuckets) { 504 if (appBuckets == null) { 505 return; 506 } 507 final List<AppStandbyInfo> bucketInfoList = new ArrayList<>(appBuckets.size()); 508 for (Map.Entry<String, Integer> bucketEntry : appBuckets.entrySet()) { 509 bucketInfoList.add(new AppStandbyInfo(bucketEntry.getKey(), bucketEntry.getValue())); 510 } 511 final ParceledListSlice<AppStandbyInfo> slice = new ParceledListSlice<>(bucketInfoList); 512 try { 513 mService.setAppStandbyBuckets(slice, mContext.getUserId()); 514 } catch (RemoteException e) { 515 } 516 } 517 518 /** 519 * @hide 520 * Register an app usage limit observer that receives a callback on the provided intent when 521 * the sum of usages of apps in the packages array exceeds the timeLimit specified. The 522 * observer will automatically be unregistered when the time limit is reached and the intent 523 * is delivered. 524 * @param observerId A unique id associated with the group of apps to be monitored. There can 525 * be multiple groups with common packages and different time limits. 526 * @param packages The list of packages to observe for foreground activity time. Must include 527 * at least one package. 528 * @param timeLimit The total time the set of apps can be in the foreground before the 529 * callbackIntent is delivered. Must be greater than 0. 530 * @param timeUnit The unit for time specified in timeLimit. 531 * @param callbackIntent The PendingIntent that will be dispatched when the time limit is 532 * exceeded by the group of apps. The delivered Intent will also contain 533 * the extras {@link #EXTRA_OBSERVER_ID}, {@link #EXTRA_TIME_LIMIT} and 534 * {@link #EXTRA_TIME_USED}. 535 * @throws SecurityException if the caller doesn't have the PACKAGE_USAGE_STATS permission. 536 */ 537 @SystemApi 538 @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) 539 public void registerAppUsageObserver(int observerId, String[] packages, long timeLimit, 540 TimeUnit timeUnit, PendingIntent callbackIntent) { 541 try { 542 mService.registerAppUsageObserver(observerId, packages, timeUnit.toMillis(timeLimit), 543 callbackIntent, mContext.getOpPackageName()); 544 } catch (RemoteException e) { 545 } 546 } 547 548 /** 549 * @hide 550 * Unregister the app usage observer specified by the observerId. This will only apply to any 551 * observer registered by this application. Unregistering an observer that was already 552 * unregistered or never registered will have no effect. 553 * @param observerId The id of the observer that was previously registered. 554 * @throws SecurityException if the caller doesn't have the PACKAGE_USAGE_STATS permission. 555 */ 556 @SystemApi 557 @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) 558 public void unregisterAppUsageObserver(int observerId) { 559 try { 560 mService.unregisterAppUsageObserver(observerId, mContext.getOpPackageName()); 561 } catch (RemoteException e) { 562 } 563 } 564 565 /** @hide */ 566 public static String reasonToString(int standbyReason) { 567 StringBuilder sb = new StringBuilder(); 568 switch (standbyReason & REASON_MAIN_MASK) { 569 case REASON_MAIN_DEFAULT: 570 sb.append("d"); 571 break; 572 case REASON_MAIN_FORCED: 573 sb.append("f"); 574 break; 575 case REASON_MAIN_PREDICTED: 576 sb.append("p"); 577 break; 578 case REASON_MAIN_TIMEOUT: 579 sb.append("t"); 580 break; 581 case REASON_MAIN_USAGE: 582 sb.append("u-"); 583 switch (standbyReason & REASON_SUB_MASK) { 584 case REASON_SUB_USAGE_SYSTEM_INTERACTION: 585 sb.append("si"); 586 break; 587 case REASON_SUB_USAGE_NOTIFICATION_SEEN: 588 sb.append("ns"); 589 break; 590 case REASON_SUB_USAGE_USER_INTERACTION: 591 sb.append("ui"); 592 break; 593 case REASON_SUB_USAGE_MOVE_TO_FOREGROUND: 594 sb.append("mf"); 595 break; 596 case REASON_SUB_USAGE_MOVE_TO_BACKGROUND: 597 sb.append("mb"); 598 break; 599 case REASON_SUB_USAGE_SYSTEM_UPDATE: 600 sb.append("su"); 601 break; 602 case REASON_SUB_USAGE_ACTIVE_TIMEOUT: 603 sb.append("at"); 604 break; 605 case REASON_SUB_USAGE_SYNC_ADAPTER: 606 sb.append("sa"); 607 break; 608 } 609 break; 610 } 611 return sb.toString(); 612 } 613 614 /** 615 * {@hide} 616 * Temporarily whitelist the specified app for a short duration. This is to allow an app 617 * receiving a high priority message to be able to access the network and acquire wakelocks 618 * even if the device is in power-save mode or the app is currently considered inactive. 619 * @param packageName The package name of the app to whitelist. 620 * @param duration Duration to whitelist the app for, in milliseconds. It is recommended that 621 * this be limited to 10s of seconds. Requested duration will be clamped to a few minutes. 622 * @param user The user for whom the package should be whitelisted. Passing in a user that is 623 * not the same as the caller's process will require the INTERACT_ACROSS_USERS permission. 624 * @see #isAppInactive(String) 625 */ 626 @SystemApi 627 @RequiresPermission(android.Manifest.permission.CHANGE_DEVICE_IDLE_TEMP_WHITELIST) 628 public void whitelistAppTemporarily(String packageName, long duration, UserHandle user) { 629 try { 630 mService.whitelistAppTemporarily(packageName, duration, user.getIdentifier()); 631 } catch (RemoteException re) { 632 } 633 } 634 635 /** 636 * Inform usage stats that the carrier privileged apps access rules have changed. 637 * @hide 638 */ 639 public void onCarrierPrivilegedAppsChanged() { 640 try { 641 mService.onCarrierPrivilegedAppsChanged(); 642 } catch (RemoteException re) { 643 } 644 } 645 646 /** 647 * Reports a Chooser action to the UsageStatsManager. 648 * 649 * @param packageName The package name of the app that is selected. 650 * @param userId The user id of who makes the selection. 651 * @param contentType The type of the content, e.g., Image, Video, App. 652 * @param annotations The annotations of the content, e.g., Game, Selfie. 653 * @param action The action type of Intent that invokes ChooserActivity. 654 * {@link UsageEvents} 655 * @hide 656 */ 657 public void reportChooserSelection(String packageName, int userId, String contentType, 658 String[] annotations, String action) { 659 try { 660 mService.reportChooserSelection(packageName, userId, contentType, annotations, action); 661 } catch (RemoteException re) { 662 } 663 } 664} 665