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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 
17 package android.app.usage;
18 
19 import android.annotation.IntDef;
20 import android.annotation.NonNull;
21 import android.annotation.Nullable;
22 import android.annotation.RequiresPermission;
23 import android.annotation.SystemApi;
24 import android.annotation.SystemService;
25 import android.annotation.TestApi;
26 import android.annotation.UserHandleAware;
27 import android.app.Activity;
28 import android.app.PendingIntent;
29 import android.compat.annotation.UnsupportedAppUsage;
30 import android.content.Context;
31 import android.content.pm.ParceledListSlice;
32 import android.os.Build;
33 import android.os.PowerWhitelistManager;
34 import android.os.RemoteException;
35 import android.os.UserHandle;
36 import android.os.UserManager;
37 import android.util.ArrayMap;
38 
39 import java.lang.annotation.Retention;
40 import java.lang.annotation.RetentionPolicy;
41 import java.time.Duration;
42 import java.util.ArrayList;
43 import java.util.Collections;
44 import java.util.List;
45 import java.util.Map;
46 import java.util.concurrent.TimeUnit;
47 
48 /**
49  * Provides access to device usage history and statistics. Usage data is aggregated into
50  * time intervals: days, weeks, months, and years.
51  * <p />
52  * When requesting usage data since a particular time, the request might look something like this:
53  * <pre>
54  * PAST                   REQUEST_TIME                    TODAY                   FUTURE
55  * ————————————————————————————||———————————————————————————¦-----------------------|
56  *                        YEAR ||                           ¦                       |
57  * ————————————————————————————||———————————————————————————¦-----------------------|
58  *  MONTH            |         ||                MONTH      ¦                       |
59  * ——————————————————|—————————||———————————————————————————¦-----------------------|
60  *   |      WEEK     |     WEEK||    |     WEEK     |     WE¦EK     |      WEEK     |
61  * ————————————————————————————||———————————————————|———————¦-----------------------|
62  *                             ||           |DAY|DAY|DAY|DAY¦DAY|DAY|DAY|DAY|DAY|DAY|
63  * ————————————————————————————||———————————————————————————¦-----------------------|
64  * </pre>
65  * A request for data in the middle of a time interval will include that interval.
66  * <p/>
67  * <b>NOTE:</b> Most methods on this API require the permission
68  * android.permission.PACKAGE_USAGE_STATS. However, declaring the permission implies intention to
69  * use the API and the user of the device still needs to grant permission through the Settings
70  * application.
71  * See {@link android.provider.Settings#ACTION_USAGE_ACCESS_SETTINGS}.
72  * Methods which only return the information for the calling package do not require this permission.
73  * E.g. {@link #getAppStandbyBucket()} and {@link #queryEventsForSelf(long, long)}.
74  */
75 @SystemService(Context.USAGE_STATS_SERVICE)
76 public final class UsageStatsManager {
77 
78     /**
79      * An interval type that spans a day. See {@link #queryUsageStats(int, long, long)}.
80      */
81     public static final int INTERVAL_DAILY = 0;
82 
83     /**
84      * An interval type that spans a week. See {@link #queryUsageStats(int, long, long)}.
85      */
86     public static final int INTERVAL_WEEKLY = 1;
87 
88     /**
89      * An interval type that spans a month. See {@link #queryUsageStats(int, long, long)}.
90      */
91     public static final int INTERVAL_MONTHLY = 2;
92 
93     /**
94      * An interval type that spans a year. See {@link #queryUsageStats(int, long, long)}.
95      */
96     public static final int INTERVAL_YEARLY = 3;
97 
98     /**
99      * An interval type that will use the best fit interval for the given time range.
100      * See {@link #queryUsageStats(int, long, long)}.
101      */
102     public static final int INTERVAL_BEST = 4;
103 
104     /**
105      * The number of available intervals. Does not include {@link #INTERVAL_BEST}, since it
106      * is a pseudo interval (it actually selects a real interval).
107      * {@hide}
108      */
109     public static final int INTERVAL_COUNT = 4;
110 
111 
112     /**
113      * The app is exempted for some reason and the bucket cannot be changed.
114      * {@hide}
115      */
116     @SystemApi
117     public static final int STANDBY_BUCKET_EXEMPTED = 5;
118 
119     /**
120      * The app was used very recently, currently in use or likely to be used very soon. Standby
121      * bucket values that are &le; {@link #STANDBY_BUCKET_ACTIVE} will not be throttled by the
122      * system while they are in this bucket. Buckets &gt; {@link #STANDBY_BUCKET_ACTIVE} will most
123      * likely be restricted in some way. For instance, jobs and alarms may be deferred.
124      * @see #getAppStandbyBucket()
125      */
126     public static final int STANDBY_BUCKET_ACTIVE = 10;
127 
128     /**
129      * The app was used recently and/or likely to be used in the next few hours. Restrictions will
130      * apply to these apps, such as deferral of jobs and alarms.
131      * @see #getAppStandbyBucket()
132      */
133     public static final int STANDBY_BUCKET_WORKING_SET = 20;
134 
135     /**
136      * The app was used in the last few days and/or likely to be used in the next few days.
137      * Restrictions will apply to these apps, such as deferral of jobs and alarms. The delays may be
138      * greater than for apps in higher buckets (lower bucket value). Bucket values &gt;
139      * {@link #STANDBY_BUCKET_FREQUENT} may additionally have network access limited.
140      * @see #getAppStandbyBucket()
141      */
142     public static final int STANDBY_BUCKET_FREQUENT = 30;
143 
144     /**
145      * The app has not be used for several days and/or is unlikely to be used for several days.
146      * Apps in this bucket will have more restrictions, including network restrictions, except
147      * during certain short periods (at a minimum, once a day) when they are allowed to execute
148      * jobs, access the network, etc.
149      * @see #getAppStandbyBucket()
150      */
151     public static final int STANDBY_BUCKET_RARE = 40;
152 
153     /**
154      * The app has not be used for several days, is unlikely to be used for several days, and has
155      * been misbehaving in some manner.
156      * Apps in this bucket will have the most restrictions, including network restrictions and
157      * additional restrictions on jobs.
158      * <p> Note: this bucket is not enabled in {@link Build.VERSION_CODES#R}.
159      * @see #getAppStandbyBucket()
160      */
161     public static final int STANDBY_BUCKET_RESTRICTED = 45;
162 
163     /**
164      * The app has never been used.
165      * {@hide}
166      */
167     @SystemApi
168     public static final int STANDBY_BUCKET_NEVER = 50;
169 
170     /** @hide */
171     public static final int REASON_MAIN_MASK = 0xFF00;
172     /** @hide */
173     public static final int REASON_MAIN_DEFAULT =   0x0100;
174     /**
175      * The app spent sufficient time in the old bucket without any substantial event so it reached
176      * the timeout threshold to have its bucket lowered.
177      * @hide
178      */
179     public static final int REASON_MAIN_TIMEOUT =   0x0200;
180     /**
181      * The app was used in some way. Look at the REASON_SUB_USAGE_ reason for more details.
182      * @hide
183      */
184     public static final int REASON_MAIN_USAGE =     0x0300;
185     /**
186      * Forced by the user/developer, either explicitly or implicitly through some action. If user
187      * action was not involved and this is purely due to the system,
188      * {@link #REASON_MAIN_FORCED_BY_SYSTEM} should be used instead.
189      * @hide
190      */
191     public static final int REASON_MAIN_FORCED_BY_USER = 0x0400;
192     /**
193      * Set by a privileged system app. This may be overridden by
194      * {@link #REASON_MAIN_FORCED_BY_SYSTEM} or user action.
195      * @hide
196      */
197     public static final int REASON_MAIN_PREDICTED = 0x0500;
198     /**
199      * Forced by the system, independent of user action. If user action is involved,
200      * {@link #REASON_MAIN_FORCED_BY_USER} should be used instead. When this is used, only
201      * {@link #REASON_MAIN_FORCED_BY_SYSTEM} or user action can change the bucket.
202      * @hide
203      */
204     public static final int REASON_MAIN_FORCED_BY_SYSTEM = 0x0600;
205 
206     /** @hide */
207     public static final int REASON_SUB_MASK = 0x00FF;
208     /**
209      * The reason for using the default main reason is unknown or undefined.
210      * @hide
211      */
212     public static final int REASON_SUB_DEFAULT_UNDEFINED = 0x0000;
213     /**
214      * The app was updated.
215      * @hide
216      */
217     public static final int REASON_SUB_DEFAULT_APP_UPDATE = 0x0001;
218     /**
219      * The app was interacted with in some way by the system.
220      * @hide
221      */
222     public static final int REASON_SUB_USAGE_SYSTEM_INTERACTION = 0x0001;
223     /**
224      * A notification was viewed by the user. This does not mean the user interacted with the
225      * notification.
226      * @hide
227      */
228     public static final int REASON_SUB_USAGE_NOTIFICATION_SEEN  = 0x0002;
229     /**
230      * The app was interacted with in some way by the user. This includes interacting with
231      * notification.
232      * @hide
233      */
234     public static final int REASON_SUB_USAGE_USER_INTERACTION   = 0x0003;
235     /**
236      * An {@link android.app.Activity} moved to the foreground.
237      * @hide
238      */
239     public static final int REASON_SUB_USAGE_MOVE_TO_FOREGROUND = 0x0004;
240     /**
241      * An {@link android.app.Activity} moved to the background.
242      * @hide
243      */
244     public static final int REASON_SUB_USAGE_MOVE_TO_BACKGROUND = 0x0005;
245     /**
246      * There was a system update.
247      * @hide
248      */
249     public static final int REASON_SUB_USAGE_SYSTEM_UPDATE      = 0x0006;
250     /**
251      * An app is in an elevated bucket because of an active timeout preventing it from being placed
252      * in a lower bucket.
253      * @hide
254      */
255     public static final int REASON_SUB_USAGE_ACTIVE_TIMEOUT     = 0x0007;
256     /**
257      * This system package's sync adapter has been used for another package's content provider.
258      * @hide
259      */
260     public static final int REASON_SUB_USAGE_SYNC_ADAPTER       = 0x0008;
261     /**
262      * A slice was pinned by an app.
263      * @hide
264      */
265     public static final int REASON_SUB_USAGE_SLICE_PINNED       = 0x0009;
266     /** /**
267      * A slice was pinned by the default launcher or the default assistant.
268      * @hide
269      */
270     public static final int REASON_SUB_USAGE_SLICE_PINNED_PRIV  = 0x000A;
271     /**
272      * A sync operation that is exempt from app standby was scheduled when the device wasn't Dozing.
273      * @hide
274      */
275     public static final int REASON_SUB_USAGE_EXEMPTED_SYNC_SCHEDULED_NON_DOZE = 0x000B;
276     /**
277      * A sync operation that is exempt from app standby was scheduled while the device was Dozing.
278      * @hide
279      */
280     public static final int REASON_SUB_USAGE_EXEMPTED_SYNC_SCHEDULED_DOZE = 0x000C;
281     /**
282      * A sync operation that is exempt from app standby started.
283      * @hide
284      */
285     public static final int REASON_SUB_USAGE_EXEMPTED_SYNC_START = 0x000D;
286     /**
287      * A sync operation that is not exempt from app standby was scheduled.
288      * @hide
289      */
290     public static final int REASON_SUB_USAGE_UNEXEMPTED_SYNC_SCHEDULED = 0x000E;
291     /**
292      * A foreground service started.
293      * @hide
294      */
295     public static final int REASON_SUB_USAGE_FOREGROUND_SERVICE_START = 0x000F;
296     /**
297      * The predicted bucket was restored after the app's temporary elevation to the ACTIVE bucket
298      * ended.
299      * @hide
300      */
301     public static final int REASON_SUB_PREDICTED_RESTORED       = 0x0001;
302     /**
303      * The reason the system forced the app into the bucket is unknown or undefined.
304      * @hide
305      */
306     public static final int REASON_SUB_FORCED_SYSTEM_FLAG_UNDEFINED = 0;
307     /**
308      * The app was unnecessarily using system resources (battery, memory, etc) in the background.
309      * @hide
310      */
311     public static final int REASON_SUB_FORCED_SYSTEM_FLAG_BACKGROUND_RESOURCE_USAGE = 1 << 0;
312     /**
313      * The app was deemed to be intentionally abusive.
314      * @hide
315      */
316     public static final int REASON_SUB_FORCED_SYSTEM_FLAG_ABUSE = 1 << 1;
317     /**
318      * The app was displaying buggy behavior.
319      * @hide
320      */
321     public static final int REASON_SUB_FORCED_SYSTEM_FLAG_BUGGY = 1 << 2;
322 
323 
324     /** @hide */
325     @IntDef(flag = false, prefix = { "STANDBY_BUCKET_" }, value = {
326             STANDBY_BUCKET_EXEMPTED,
327             STANDBY_BUCKET_ACTIVE,
328             STANDBY_BUCKET_WORKING_SET,
329             STANDBY_BUCKET_FREQUENT,
330             STANDBY_BUCKET_RARE,
331             STANDBY_BUCKET_RESTRICTED,
332             STANDBY_BUCKET_NEVER,
333     })
334     @Retention(RetentionPolicy.SOURCE)
335     public @interface StandbyBuckets {}
336 
337     /** @hide */
338     @IntDef(flag = true, prefix = {"REASON_SUB_FORCED_SYSTEM_FLAG_FLAG_"}, value = {
339             REASON_SUB_FORCED_SYSTEM_FLAG_UNDEFINED,
340             REASON_SUB_FORCED_SYSTEM_FLAG_BACKGROUND_RESOURCE_USAGE,
341             REASON_SUB_FORCED_SYSTEM_FLAG_ABUSE,
342             REASON_SUB_FORCED_SYSTEM_FLAG_BUGGY,
343     })
344     @Retention(RetentionPolicy.SOURCE)
345     public @interface SystemForcedReasons {
346     }
347 
348     /**
349      * Observer id of the registered observer for the group of packages that reached the usage
350      * time limit. Included as an extra in the PendingIntent that was registered.
351      * @hide
352      */
353     @SystemApi
354     public static final String EXTRA_OBSERVER_ID = "android.app.usage.extra.OBSERVER_ID";
355 
356     /**
357      * Original time limit in milliseconds specified by the registered observer for the group of
358      * packages that reached the usage time limit. Included as an extra in the PendingIntent that
359      * was registered.
360      * @hide
361      */
362     @SystemApi
363     public static final String EXTRA_TIME_LIMIT = "android.app.usage.extra.TIME_LIMIT";
364 
365     /**
366      * Actual usage time in milliseconds for the group of packages that reached the specified time
367      * limit. Included as an extra in the PendingIntent that was registered.
368      * @hide
369      */
370     @SystemApi
371     public static final String EXTRA_TIME_USED = "android.app.usage.extra.TIME_USED";
372 
373 
374     /**
375      * App usage observers will consider the task root package the source of usage.
376      * @hide
377      */
378     @SystemApi
379     public static final int USAGE_SOURCE_TASK_ROOT_ACTIVITY = 1;
380 
381     /**
382      * App usage observers will consider the visible activity's package the source of usage.
383      * @hide
384      */
385     @SystemApi
386     public static final int USAGE_SOURCE_CURRENT_ACTIVITY = 2;
387 
388     /** @hide */
389     @IntDef(prefix = { "USAGE_SOURCE_" }, value = {
390             USAGE_SOURCE_TASK_ROOT_ACTIVITY,
391             USAGE_SOURCE_CURRENT_ACTIVITY,
392     })
393     @Retention(RetentionPolicy.SOURCE)
394     public @interface UsageSource {}
395 
396     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
397     private static final UsageEvents sEmptyResults = new UsageEvents();
398 
399     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
400     private final Context mContext;
401     @UnsupportedAppUsage
402     private final IUsageStatsManager mService;
403 
404     /**
405      * {@hide}
406      */
UsageStatsManager(Context context, IUsageStatsManager service)407     public UsageStatsManager(Context context, IUsageStatsManager service) {
408         mContext = context;
409         mService = service;
410     }
411 
412     /**
413      * Gets application usage stats for the given time range, aggregated by the specified interval.
414      *
415      * <p>
416      * The returned list will contain one or more {@link UsageStats} objects for each package, with
417      * usage data that covers at least the given time range.
418      * Note: The begin and end times of the time range may be expanded to the nearest whole interval
419      * period.
420      * </p>
421      *
422      * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p>
423      * <em>Note: Starting from {@link android.os.Build.VERSION_CODES#R Android R}, if the user's
424      * device is not in an unlocked state (as defined by {@link UserManager#isUserUnlocked()}),
425      * then {@code null} will be returned.</em>
426      *
427      * @param intervalType The time interval by which the stats are aggregated.
428      * @param beginTime The inclusive beginning of the range of stats to include in the results.
429      *                  Defined in terms of "Unix time", see
430      *                  {@link java.lang.System#currentTimeMillis}.
431      * @param endTime The exclusive end of the range of stats to include in the results. Defined
432      *                in terms of "Unix time", see {@link java.lang.System#currentTimeMillis}.
433      * @return A list of {@link UsageStats}
434      *
435      * @see #INTERVAL_DAILY
436      * @see #INTERVAL_WEEKLY
437      * @see #INTERVAL_MONTHLY
438      * @see #INTERVAL_YEARLY
439      * @see #INTERVAL_BEST
440      */
441     @UserHandleAware
queryUsageStats(int intervalType, long beginTime, long endTime)442     public List<UsageStats> queryUsageStats(int intervalType, long beginTime, long endTime) {
443         try {
444             @SuppressWarnings("unchecked")
445             ParceledListSlice<UsageStats> slice = mService.queryUsageStats(intervalType, beginTime,
446                     endTime, mContext.getOpPackageName(), mContext.getUserId());
447             if (slice != null) {
448                 return slice.getList();
449             }
450         } catch (RemoteException e) {
451             // fallthrough and return the empty list.
452         }
453         return Collections.emptyList();
454     }
455 
456     /**
457      * Gets the hardware configurations the device was in for the given time range, aggregated by
458      * the specified interval. The results are ordered as in
459      * {@link #queryUsageStats(int, long, long)}.
460      * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p>
461      * <em>Note: Starting from {@link android.os.Build.VERSION_CODES#R Android R}, if the user's
462      * device is not in an unlocked state (as defined by {@link UserManager#isUserUnlocked()}),
463      * then {@code null} will be returned.</em>
464      *
465      * @param intervalType The time interval by which the stats are aggregated.
466      * @param beginTime The inclusive beginning of the range of stats to include in the results.
467      *                  Defined in terms of "Unix time", see
468      *                  {@link java.lang.System#currentTimeMillis}.
469      * @param endTime The exclusive end of the range of stats to include in the results. Defined
470      *                in terms of "Unix time", see {@link java.lang.System#currentTimeMillis}.
471      * @return A list of {@link ConfigurationStats}
472      */
queryConfigurations(int intervalType, long beginTime, long endTime)473     public List<ConfigurationStats> queryConfigurations(int intervalType, long beginTime,
474             long endTime) {
475         try {
476             @SuppressWarnings("unchecked")
477             ParceledListSlice<ConfigurationStats> slice = mService.queryConfigurationStats(
478                     intervalType, beginTime, endTime, mContext.getOpPackageName());
479             if (slice != null) {
480                 return slice.getList();
481             }
482         } catch (RemoteException e) {
483             // fallthrough and return the empty list.
484         }
485         return Collections.emptyList();
486     }
487 
488     /**
489      * Gets aggregated event stats for the given time range, aggregated by the specified interval.
490      * <p>The returned list will contain a {@link EventStats} object for each event type that
491      * is being aggregated and has data for an interval that is a subset of the time range given.
492      *
493      * <p>The current event types that will be aggregated here are:</p>
494      * <ul>
495      *     <li>{@link UsageEvents.Event#SCREEN_INTERACTIVE}</li>
496      *     <li>{@link UsageEvents.Event#SCREEN_NON_INTERACTIVE}</li>
497      *     <li>{@link UsageEvents.Event#KEYGUARD_SHOWN}</li>
498      *     <li>{@link UsageEvents.Event#KEYGUARD_HIDDEN}</li>
499      * </ul>
500      *
501      * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p>
502      * <em>Note: Starting from {@link android.os.Build.VERSION_CODES#R Android R}, if the user's
503      * device is not in an unlocked state (as defined by {@link UserManager#isUserUnlocked()}),
504      * then {@code null} will be returned.</em>
505      *
506      * @param intervalType The time interval by which the stats are aggregated.
507      * @param beginTime The inclusive beginning of the range of stats to include in the results.
508      *                  Defined in terms of "Unix time", see
509      *                  {@link java.lang.System#currentTimeMillis}.
510      * @param endTime The exclusive end of the range of stats to include in the results. Defined
511      *                in terms of "Unix time", see {@link java.lang.System#currentTimeMillis}.
512      * @return A list of {@link EventStats}
513      *
514      * @see #INTERVAL_DAILY
515      * @see #INTERVAL_WEEKLY
516      * @see #INTERVAL_MONTHLY
517      * @see #INTERVAL_YEARLY
518      * @see #INTERVAL_BEST
519      */
queryEventStats(int intervalType, long beginTime, long endTime)520     public List<EventStats> queryEventStats(int intervalType, long beginTime, long endTime) {
521         try {
522             @SuppressWarnings("unchecked")
523             ParceledListSlice<EventStats> slice = mService.queryEventStats(intervalType, beginTime,
524                     endTime, mContext.getOpPackageName());
525             if (slice != null) {
526                 return slice.getList();
527             }
528         } catch (RemoteException e) {
529             // fallthrough and return the empty list.
530         }
531         return Collections.emptyList();
532     }
533 
534     /**
535      * Query for events in the given time range. Events are only kept by the system for a few
536      * days.
537      * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p>
538      * <em>Note: Starting from {@link android.os.Build.VERSION_CODES#R Android R}, if the user's
539      * device is not in an unlocked state (as defined by {@link UserManager#isUserUnlocked()}),
540      * then {@code null} will be returned.</em>
541      *
542      * @param beginTime The inclusive beginning of the range of events to include in the results.
543      *                 Defined in terms of "Unix time", see
544      *                 {@link java.lang.System#currentTimeMillis}.
545      * @param endTime The exclusive end of the range of events to include in the results. Defined
546      *               in terms of "Unix time", see {@link java.lang.System#currentTimeMillis}.
547      * @return A {@link UsageEvents}.
548      */
queryEvents(long beginTime, long endTime)549     public UsageEvents queryEvents(long beginTime, long endTime) {
550         try {
551             UsageEvents iter = mService.queryEvents(beginTime, endTime,
552                     mContext.getOpPackageName());
553             if (iter != null) {
554                 return iter;
555             }
556         } catch (RemoteException e) {
557             // fallthrough and return empty result.
558         }
559         return sEmptyResults;
560     }
561 
562     /**
563      * Like {@link #queryEvents(long, long)}, but only returns events for the calling package.
564      * <em>Note: Starting from {@link android.os.Build.VERSION_CODES#R Android R}, if the user's
565      * device is not in an unlocked state (as defined by {@link UserManager#isUserUnlocked()}),
566      * then {@code null} will be returned.</em>
567      *
568      * @param beginTime The inclusive beginning of the range of events to include in the results.
569      *                 Defined in terms of "Unix time", see
570      *                 {@link java.lang.System#currentTimeMillis}.
571      * @param endTime The exclusive end of the range of events to include in the results. Defined
572      *               in terms of "Unix time", see {@link java.lang.System#currentTimeMillis}.
573      * @return A {@link UsageEvents} object.
574      *
575      * @see #queryEvents(long, long)
576      */
queryEventsForSelf(long beginTime, long endTime)577     public UsageEvents queryEventsForSelf(long beginTime, long endTime) {
578         try {
579             final UsageEvents events = mService.queryEventsForPackage(beginTime, endTime,
580                     mContext.getOpPackageName());
581             if (events != null) {
582                 return events;
583             }
584         } catch (RemoteException e) {
585             // fallthrough
586         }
587         return sEmptyResults;
588     }
589 
590     /**
591      * A convenience method that queries for all stats in the given range (using the best interval
592      * for that range), merges the resulting data, and keys it by package name.
593      * See {@link #queryUsageStats(int, long, long)}.
594      * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} </p>
595      *
596      * @param beginTime The inclusive beginning of the range of stats to include in the results.
597      *                  Defined in terms of "Unix time", see
598      *                  {@link java.lang.System#currentTimeMillis}.
599      * @param endTime The exclusive end of the range of stats to include in the results. Defined
600      *                in terms of "Unix time", see {@link java.lang.System#currentTimeMillis}.
601      * @return A {@link java.util.Map} keyed by package name
602      */
queryAndAggregateUsageStats(long beginTime, long endTime)603     public Map<String, UsageStats> queryAndAggregateUsageStats(long beginTime, long endTime) {
604         List<UsageStats> stats = queryUsageStats(INTERVAL_BEST, beginTime, endTime);
605         if (stats.isEmpty()) {
606             return Collections.emptyMap();
607         }
608 
609         ArrayMap<String, UsageStats> aggregatedStats = new ArrayMap<>();
610         final int statCount = stats.size();
611         for (int i = 0; i < statCount; i++) {
612             UsageStats newStat = stats.get(i);
613             UsageStats existingStat = aggregatedStats.get(newStat.getPackageName());
614             if (existingStat == null) {
615                 aggregatedStats.put(newStat.mPackageName, newStat);
616             } else {
617                 existingStat.add(newStat);
618             }
619         }
620         return aggregatedStats;
621     }
622 
623     /**
624      * Returns whether the specified app is currently considered inactive. This will be true if the
625      * app hasn't been used directly or indirectly for a period of time defined by the system. This
626      * could be of the order of several hours or days. Apps are not considered inactive when the
627      * device is charging.
628      * <p> The caller must have {@link android.Manifest.permission#PACKAGE_USAGE_STATS} to query the
629      * inactive state of other apps</p>
630      *
631      * @param packageName The package name of the app to query
632      * @return whether the app is currently considered inactive or false if querying another app
633      * without {@link android.Manifest.permission#PACKAGE_USAGE_STATS}
634      */
isAppInactive(String packageName)635     public boolean isAppInactive(String packageName) {
636         try {
637             return mService.isAppInactive(packageName, mContext.getUserId(),
638                     mContext.getOpPackageName());
639         } catch (RemoteException e) {
640             // fall through and return default
641         }
642         return false;
643     }
644 
645     /**
646      * {@hide}
647      */
setAppInactive(String packageName, boolean inactive)648     public void setAppInactive(String packageName, boolean inactive) {
649         try {
650             mService.setAppInactive(packageName, inactive, mContext.getUserId());
651         } catch (RemoteException e) {
652             // fall through
653         }
654     }
655 
656     /**
657      * Returns the current standby bucket of the calling app. The system determines the standby
658      * state of the app based on app usage patterns. Standby buckets determine how much an app will
659      * be restricted from running background tasks such as jobs and alarms.
660      * <p>Restrictions increase progressively from {@link #STANDBY_BUCKET_ACTIVE} to
661      * {@link #STANDBY_BUCKET_RESTRICTED}, with {@link #STANDBY_BUCKET_ACTIVE} being the least
662      * restrictive. The battery level of the device might also affect the restrictions.
663      * <p>Apps in buckets &le; {@link #STANDBY_BUCKET_ACTIVE} have no standby restrictions imposed.
664      * Apps in buckets &gt; {@link #STANDBY_BUCKET_FREQUENT} may have network access restricted when
665      * running in the background.
666      * <p>The standby state of an app can change at any time either due to a user interaction or a
667      * system interaction or some algorithm determining that the app can be restricted for a period
668      * of time before the user has a need for it.
669      * <p>You can also query the recent history of standby bucket changes by calling
670      * {@link #queryEventsForSelf(long, long)} and searching for
671      * {@link UsageEvents.Event#STANDBY_BUCKET_CHANGED}.
672      *
673      * @return the current standby bucket of the calling app. One of STANDBY_BUCKET_* constants.
674      */
getAppStandbyBucket()675     public @StandbyBuckets int getAppStandbyBucket() {
676         try {
677             return mService.getAppStandbyBucket(mContext.getOpPackageName(),
678                     mContext.getOpPackageName(),
679                     mContext.getUserId());
680         } catch (RemoteException e) {
681         }
682         return STANDBY_BUCKET_ACTIVE;
683     }
684 
685     /**
686      * {@hide}
687      * Returns the current standby bucket of the specified app. The caller must hold the permission
688      * android.permission.PACKAGE_USAGE_STATS.
689      * @param packageName the package for which to fetch the current standby bucket.
690      */
691     @SystemApi
692     @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS)
getAppStandbyBucket(String packageName)693     public @StandbyBuckets int getAppStandbyBucket(String packageName) {
694         try {
695             return mService.getAppStandbyBucket(packageName, mContext.getOpPackageName(),
696                     mContext.getUserId());
697         } catch (RemoteException e) {
698         }
699         return STANDBY_BUCKET_ACTIVE;
700     }
701 
702     /**
703      * {@hide}
704      * Changes an app's standby bucket to the provided value. The caller can only set the standby
705      * bucket for a different app than itself. The caller will not be able to change an app's
706      * standby bucket if that app is in the {@link #STANDBY_BUCKET_RESTRICTED} bucket.
707      * @param packageName the package name of the app to set the bucket for. A SecurityException
708      *                    will be thrown if the package name is that of the caller.
709      * @param bucket the standby bucket to set it to, which should be one of STANDBY_BUCKET_*.
710      *               Setting a standby bucket outside of the range of STANDBY_BUCKET_ACTIVE to
711      *               STANDBY_BUCKET_NEVER will result in a SecurityException.
712      */
713     @SystemApi
714     @RequiresPermission(android.Manifest.permission.CHANGE_APP_IDLE_STATE)
setAppStandbyBucket(String packageName, @StandbyBuckets int bucket)715     public void setAppStandbyBucket(String packageName, @StandbyBuckets int bucket) {
716         try {
717             mService.setAppStandbyBucket(packageName, bucket, mContext.getUserId());
718         } catch (RemoteException e) {
719             throw e.rethrowFromSystemServer();
720         }
721     }
722 
723     /**
724      * {@hide}
725      * Returns the current standby bucket of every app that has a bucket assigned to it.
726      * The caller must hold the permission android.permission.PACKAGE_USAGE_STATS. The key of the
727      * returned Map is the package name and the value is the bucket assigned to the package.
728      * @see #getAppStandbyBucket()
729      */
730     @SystemApi
731     @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS)
getAppStandbyBuckets()732     public Map<String, Integer> getAppStandbyBuckets() {
733         try {
734             final ParceledListSlice<AppStandbyInfo> slice = mService.getAppStandbyBuckets(
735                     mContext.getOpPackageName(), mContext.getUserId());
736             final List<AppStandbyInfo> bucketList = slice.getList();
737             final ArrayMap<String, Integer> bucketMap = new ArrayMap<>();
738             final int n = bucketList.size();
739             for (int i = 0; i < n; i++) {
740                 final AppStandbyInfo bucketInfo = bucketList.get(i);
741                 bucketMap.put(bucketInfo.mPackageName, bucketInfo.mStandbyBucket);
742             }
743             return bucketMap;
744         } catch (RemoteException e) {
745             throw e.rethrowFromSystemServer();
746         }
747     }
748 
749     /**
750      * {@hide}
751      * Changes the app standby bucket for multiple apps at once. The Map is keyed by the package
752      * name and the value is one of STANDBY_BUCKET_*. The caller will not be able to change an
753      * app's standby bucket if that app is in the {@link #STANDBY_BUCKET_RESTRICTED} bucket.
754      * @param appBuckets a map of package name to bucket value.
755      */
756     @SystemApi
757     @RequiresPermission(android.Manifest.permission.CHANGE_APP_IDLE_STATE)
setAppStandbyBuckets(Map<String, Integer> appBuckets)758     public void setAppStandbyBuckets(Map<String, Integer> appBuckets) {
759         if (appBuckets == null) {
760             return;
761         }
762         final List<AppStandbyInfo> bucketInfoList = new ArrayList<>(appBuckets.size());
763         for (Map.Entry<String, Integer> bucketEntry : appBuckets.entrySet()) {
764             bucketInfoList.add(new AppStandbyInfo(bucketEntry.getKey(), bucketEntry.getValue()));
765         }
766         final ParceledListSlice<AppStandbyInfo> slice = new ParceledListSlice<>(bucketInfoList);
767         try {
768             mService.setAppStandbyBuckets(slice, mContext.getUserId());
769         } catch (RemoteException e) {
770             throw e.rethrowFromSystemServer();
771         }
772     }
773 
774     /**
775      * @hide
776      * Register an app usage limit observer that receives a callback on the provided intent when
777      * the sum of usages of apps and tokens in the {@code observed} array exceeds the
778      * {@code timeLimit} specified. The structure of a token is a String with the reporting
779      * package's name and a token the reporting app will use, separated by the forward slash
780      * character. Example: com.reporting.package/5OM3*0P4QU3-7OK3N
781      * The observer will automatically be unregistered when the time limit is reached and the
782      * intent is delivered. Registering an {@code observerId} that was already registered will
783      * override the previous one. No more than 1000 unique {@code observerId} may be registered by
784      * a single uid at any one time.
785      * @param observerId A unique id associated with the group of apps to be monitored. There can
786      *                  be multiple groups with common packages and different time limits.
787      * @param observedEntities The list of packages and token to observe for usage time. Cannot be
788      *                         null and must include at least one package or token.
789      * @param timeLimit The total time the set of apps can be in the foreground before the
790      *                  callbackIntent is delivered. Must be at least one minute.
791      * @param timeUnit The unit for time specified in {@code timeLimit}. Cannot be null.
792      * @param callbackIntent The PendingIntent that will be dispatched when the usage limit is
793      *                       exceeded by the group of apps. The delivered Intent will also contain
794      *                       the extras {@link #EXTRA_OBSERVER_ID}, {@link #EXTRA_TIME_LIMIT} and
795      *                       {@link #EXTRA_TIME_USED}. Cannot be null.
796      * @throws SecurityException if the caller doesn't have the OBSERVE_APP_USAGE permission and
797      *                           is not the profile owner of this user.
798      */
799     @SystemApi
800     @RequiresPermission(android.Manifest.permission.OBSERVE_APP_USAGE)
registerAppUsageObserver(int observerId, @NonNull String[] observedEntities, long timeLimit, @NonNull TimeUnit timeUnit, @NonNull PendingIntent callbackIntent)801     public void registerAppUsageObserver(int observerId, @NonNull String[] observedEntities,
802             long timeLimit, @NonNull TimeUnit timeUnit, @NonNull PendingIntent callbackIntent) {
803         try {
804             mService.registerAppUsageObserver(observerId, observedEntities,
805                     timeUnit.toMillis(timeLimit), callbackIntent, mContext.getOpPackageName());
806         } catch (RemoteException e) {
807             throw e.rethrowFromSystemServer();
808         }
809     }
810 
811     /**
812      * @hide
813      * Unregister the app usage observer specified by the {@code observerId}. This will only apply
814      * to any observer registered by this application. Unregistering an observer that was already
815      * unregistered or never registered will have no effect.
816      * @param observerId The id of the observer that was previously registered.
817      * @throws SecurityException if the caller doesn't have the OBSERVE_APP_USAGE permission and is
818      *                           not the profile owner of this user.
819      */
820     @SystemApi
821     @RequiresPermission(android.Manifest.permission.OBSERVE_APP_USAGE)
unregisterAppUsageObserver(int observerId)822     public void unregisterAppUsageObserver(int observerId) {
823         try {
824             mService.unregisterAppUsageObserver(observerId, mContext.getOpPackageName());
825         } catch (RemoteException e) {
826             throw e.rethrowFromSystemServer();
827         }
828     }
829 
830     /**
831      * Register a usage session observer that receives a callback on the provided {@code
832      * limitReachedCallbackIntent} when the sum of usages of apps and tokens in the {@code
833      * observed} array exceeds the {@code timeLimit} specified within a usage session. The
834      * structure of a token is a String with the reporting packages' name and a token the
835      * reporting app will use, separated by the forward slash character.
836      * Example: com.reporting.package/5OM3*0P4QU3-7OK3N
837      * After the {@code timeLimit} has been reached, the usage session observer will receive a
838      * callback on the provided {@code sessionEndCallbackIntent} when the usage session ends.
839      * Registering another session observer against a {@code sessionObserverId} that has already
840      * been registered will override the previous session observer.
841      *
842      * @param sessionObserverId A unique id associated with the group of apps to be
843      *                          monitored. There can be multiple groups with common
844      *                          packages and different time limits.
845      * @param observedEntities The list of packages and token to observe for usage time. Cannot be
846      *                         null and must include at least one package or token.
847      * @param timeLimit The total time the set of apps can be used continuously before the {@code
848      *                  limitReachedCallbackIntent} is delivered. Must be at least one minute.
849      * @param sessionThresholdTime The time that can take place between usage sessions before the
850      *                             next session is considered a new session. Must be non-negative.
851      * @param limitReachedCallbackIntent The {@link PendingIntent} that will be dispatched when the
852      *                                   usage limit is exceeded by the group of apps. The
853      *                                   delivered Intent will also contain the extras {@link
854      *                                   #EXTRA_OBSERVER_ID}, {@link #EXTRA_TIME_LIMIT} and {@link
855      *                                   #EXTRA_TIME_USED}. Cannot be null.
856      * @param sessionEndCallbackIntent The {@link PendingIntent}  that will be dispatched when the
857      *                                 session has ended after the usage limit has been exceeded.
858      *                                 The session is considered at its end after the {@code
859      *                                 observed} usage has stopped and an additional {@code
860      *                                 sessionThresholdTime} has passed. The delivered Intent will
861      *                                 also contain the extras {@link #EXTRA_OBSERVER_ID} and {@link
862      *                                 #EXTRA_TIME_USED}. Can be null.
863      * @throws SecurityException if the caller doesn't have the OBSERVE_APP_USAGE permission and
864      *                           is not the profile owner of this user.
865      * @hide
866      */
867     @SystemApi
868     @RequiresPermission(android.Manifest.permission.OBSERVE_APP_USAGE)
registerUsageSessionObserver(int sessionObserverId, @NonNull String[] observedEntities, @NonNull Duration timeLimit, @NonNull Duration sessionThresholdTime, @NonNull PendingIntent limitReachedCallbackIntent, @Nullable PendingIntent sessionEndCallbackIntent)869     public void registerUsageSessionObserver(int sessionObserverId,
870             @NonNull String[] observedEntities, @NonNull Duration timeLimit,
871             @NonNull Duration sessionThresholdTime,
872             @NonNull PendingIntent limitReachedCallbackIntent,
873             @Nullable PendingIntent sessionEndCallbackIntent) {
874         try {
875             mService.registerUsageSessionObserver(sessionObserverId, observedEntities,
876                     timeLimit.toMillis(), sessionThresholdTime.toMillis(),
877                     limitReachedCallbackIntent, sessionEndCallbackIntent,
878                     mContext.getOpPackageName());
879         } catch (RemoteException e) {
880             throw e.rethrowFromSystemServer();
881         }
882     }
883 
884     /**
885      * Unregister the usage session observer specified by the {@code sessionObserverId}. This will
886      * only apply to any app session observer registered by this application. Unregistering an
887      * observer that was already unregistered or never registered will have no effect.
888      *
889      * @param sessionObserverId The id of the observer that was previously registered.
890      * @throws SecurityException if the caller doesn't have the OBSERVE_APP_USAGE permission and
891      *                           is not the profile owner of this user.
892      * @hide
893      */
894     @SystemApi
895     @RequiresPermission(android.Manifest.permission.OBSERVE_APP_USAGE)
unregisterUsageSessionObserver(int sessionObserverId)896     public void unregisterUsageSessionObserver(int sessionObserverId) {
897         try {
898             mService.unregisterUsageSessionObserver(sessionObserverId, mContext.getOpPackageName());
899         } catch (RemoteException e) {
900             throw e.rethrowFromSystemServer();
901         }
902     }
903 
904     /**
905      * Register a usage limit observer that receives a callback on the provided intent when the
906      * sum of usages of apps and tokens in the provided {@code observedEntities} array exceeds the
907      * {@code timeLimit} specified. The structure of a token is a {@link String} with the reporting
908      * package's name and a token that the calling app will use, separated by the forward slash
909      * character. Example: com.reporting.package/5OM3*0P4QU3-7OK3N
910      * <p>
911      * Registering an {@code observerId} that was already registered will override the previous one.
912      * No more than 1000 unique {@code observerId} may be registered by a single uid
913      * at any one time.
914      * A limit is not cleared when the usage time is exceeded. It needs to be unregistered via
915      * {@link #unregisterAppUsageLimitObserver}.
916      * <p>
917      * Note: usage limits are not persisted in the system and are cleared on reboots. Callers
918      * must reset any limits that they need on reboots.
919      * <p>
920      * This method is similar to {@link #registerAppUsageObserver}, but the usage limit set here
921      * will be visible to the launcher so that it can report the limit to the user and how much
922      * of it is remaining.
923      * @see android.content.pm.LauncherApps#getAppUsageLimit
924      *
925      * @param observerId A unique id associated with the group of apps to be monitored. There can
926      *                   be multiple groups with common packages and different time limits.
927      * @param observedEntities The list of packages and token to observe for usage time. Cannot be
928      *                         null and must include at least one package or token.
929      * @param timeLimit The total time the set of apps can be in the foreground before the
930      *                  {@code callbackIntent} is delivered. Must be at least one minute.
931      * @param timeUsed The time that has already been used by the set of apps in
932      *                 {@code observedEntities}. Note: a time used equal to or greater than
933      *                 {@code timeLimit} can be set to indicate that the user has already exhausted
934      *                 the limit for a group, in which case, the given {@code callbackIntent} will
935      *                 be ignored.
936      * @param callbackIntent The PendingIntent that will be dispatched when the usage limit is
937      *                       exceeded by the group of apps. The delivered Intent will also contain
938      *                       the extras {@link #EXTRA_OBSERVER_ID}, {@link #EXTRA_TIME_LIMIT} and
939      *                       {@link #EXTRA_TIME_USED}. Cannot be {@code null} unless the observer is
940      *                       being registered with a {@code timeUsed} equal to or greater than
941      *                       {@code timeLimit}.
942      * @throws SecurityException if the caller is neither the active supervision app nor does it
943      *                           have both SUSPEND_APPS and OBSERVE_APP_USAGE permissions.
944      * @hide
945      */
946     @SystemApi
947     @RequiresPermission(allOf = {
948             android.Manifest.permission.SUSPEND_APPS,
949             android.Manifest.permission.OBSERVE_APP_USAGE})
registerAppUsageLimitObserver(int observerId, @NonNull String[] observedEntities, @NonNull Duration timeLimit, @NonNull Duration timeUsed, @Nullable PendingIntent callbackIntent)950     public void registerAppUsageLimitObserver(int observerId, @NonNull String[] observedEntities,
951             @NonNull Duration timeLimit, @NonNull Duration timeUsed,
952             @Nullable PendingIntent callbackIntent) {
953         try {
954             mService.registerAppUsageLimitObserver(observerId, observedEntities,
955                     timeLimit.toMillis(), timeUsed.toMillis(), callbackIntent,
956                     mContext.getOpPackageName());
957         } catch (RemoteException e) {
958             throw e.rethrowFromSystemServer();
959         }
960     }
961 
962     /**
963      * Unregister the app usage limit observer specified by the {@code observerId}.
964      * This will only apply to any observer registered by this application. Unregistering
965      * an observer that was already unregistered or never registered will have no effect.
966      *
967      * @param observerId The id of the observer that was previously registered.
968      * @throws SecurityException if the caller is neither the active supervision app nor does it
969      *                         have both SUSPEND_APPS and OBSERVE_APP_USAGE permissions.
970      * @hide
971      */
972     @SystemApi
973     @RequiresPermission(allOf = {
974             android.Manifest.permission.SUSPEND_APPS,
975             android.Manifest.permission.OBSERVE_APP_USAGE})
unregisterAppUsageLimitObserver(int observerId)976     public void unregisterAppUsageLimitObserver(int observerId) {
977         try {
978             mService.unregisterAppUsageLimitObserver(observerId, mContext.getOpPackageName());
979         } catch (RemoteException e) {
980             throw e.rethrowFromSystemServer();
981         }
982     }
983 
984     /**
985      * Reports user interaction with a given package in the given user.
986      *
987      * <p><em>This method is only for use by the system</em>
988      * @hide
989      */
reportUserInteraction(@onNull String packageName, int userId)990     public void reportUserInteraction(@NonNull String packageName, int userId) {
991         try {
992             mService.reportUserInteraction(packageName, userId);
993         } catch (RemoteException re) {
994             throw re.rethrowFromSystemServer();
995         }
996     }
997 
998     /**
999      * Report usage associated with a particular {@code token} has started. Tokens are app defined
1000      * strings used to represent usage of in-app features. Apps with the {@link
1001      * android.Manifest.permission#OBSERVE_APP_USAGE} permission can register time limit observers
1002      * to monitor the usage of a token. In app usage can only associated with an {@code activity}
1003      * and usage will be considered stopped if the activity stops or crashes.
1004      * @see #registerAppUsageObserver
1005      * @see #registerUsageSessionObserver
1006      * @see #registerAppUsageLimitObserver
1007      *
1008      * @param activity The activity {@code token} is associated with.
1009      * @param token The token to report usage against.
1010      * @hide
1011      */
1012     @SystemApi
reportUsageStart(@onNull Activity activity, @NonNull String token)1013     public void reportUsageStart(@NonNull Activity activity, @NonNull String token) {
1014         try {
1015             mService.reportUsageStart(activity.getActivityToken(), token,
1016                     mContext.getOpPackageName());
1017         } catch (RemoteException e) {
1018             throw e.rethrowFromSystemServer();
1019         }
1020     }
1021 
1022     /**
1023      * Report usage associated with a particular {@code token} had started some amount of time in
1024      * the past. Tokens are app defined strings used to represent usage of in-app features. Apps
1025      * with the {@link android.Manifest.permission#OBSERVE_APP_USAGE} permission can register time
1026      * limit observers to monitor the usage of a token. In app usage can only associated with an
1027      * {@code activity} and usage will be considered stopped if the activity stops or crashes.
1028      * @see #registerAppUsageObserver
1029      * @see #registerUsageSessionObserver
1030      * @see #registerAppUsageLimitObserver
1031      *
1032      * @param activity The activity {@code token} is associated with.
1033      * @param token The token to report usage against.
1034      * @param timeAgoMs How long ago the start of usage took place
1035      * @hide
1036      */
1037     @SystemApi
reportUsageStart(@onNull Activity activity, @NonNull String token, long timeAgoMs)1038     public void reportUsageStart(@NonNull Activity activity, @NonNull String token,
1039                                  long timeAgoMs) {
1040         try {
1041             mService.reportPastUsageStart(activity.getActivityToken(), token, timeAgoMs,
1042                     mContext.getOpPackageName());
1043         } catch (RemoteException e) {
1044             throw e.rethrowFromSystemServer();
1045         }
1046     }
1047 
1048     /**
1049      * Report the usage associated with a particular {@code token} has stopped.
1050      *
1051      * @param activity The activity {@code token} is associated with.
1052      * @param token The token to report usage against.
1053      * @hide
1054      */
1055     @SystemApi
reportUsageStop(@onNull Activity activity, @NonNull String token)1056     public void reportUsageStop(@NonNull Activity activity, @NonNull String token) {
1057         try {
1058             mService.reportUsageStop(activity.getActivityToken(), token,
1059                     mContext.getOpPackageName());
1060         } catch (RemoteException e) {
1061             throw e.rethrowFromSystemServer();
1062         }
1063     }
1064 
1065     /**
1066      * Get what App Usage Observers will consider the source of usage for an activity. Usage Source
1067      * is decided at boot and will not change until next boot.
1068      * @see #USAGE_SOURCE_TASK_ROOT_ACTIVITY
1069      * @see #USAGE_SOURCE_CURRENT_ACTIVITY
1070      *
1071      * @throws SecurityException if the caller doesn't have the OBSERVE_APP_USAGE permission and
1072      *                           is not the profile owner of this user.
1073      * @hide
1074      */
1075     @SystemApi
getUsageSource()1076     public @UsageSource int getUsageSource() {
1077         try {
1078             return mService.getUsageSource();
1079         } catch (RemoteException e) {
1080             throw e.rethrowFromSystemServer();
1081         }
1082     }
1083 
1084     /**
1085      * Force the Usage Source be reread from global settings.
1086      * @hide
1087      */
1088     @TestApi
forceUsageSourceSettingRead()1089     public void forceUsageSourceSettingRead() {
1090         try {
1091             mService.forceUsageSourceSettingRead();
1092         } catch (RemoteException e) {
1093             throw e.rethrowFromSystemServer();
1094         }
1095     }
1096 
1097     /** @hide */
reasonToString(int standbyReason)1098     public static String reasonToString(int standbyReason) {
1099         final int subReason = standbyReason & REASON_SUB_MASK;
1100         StringBuilder sb = new StringBuilder();
1101         switch (standbyReason & REASON_MAIN_MASK) {
1102             case REASON_MAIN_DEFAULT:
1103                 sb.append("d");
1104                 switch (subReason) {
1105                     case REASON_SUB_DEFAULT_UNDEFINED:
1106                         // Historically, undefined didn't have a string, so don't add anything here.
1107                         break;
1108                     case REASON_SUB_DEFAULT_APP_UPDATE:
1109                         sb.append("-au");
1110                         break;
1111                 }
1112                 break;
1113             case REASON_MAIN_FORCED_BY_SYSTEM:
1114                 sb.append("s");
1115                 if (subReason > 0) {
1116                     sb.append("-").append(Integer.toBinaryString(subReason));
1117                 }
1118                 break;
1119             case REASON_MAIN_FORCED_BY_USER:
1120                 sb.append("f");
1121                 if (subReason > 0) {
1122                     // Although not expected and shouldn't happen, this could potentially have a
1123                     // sub-reason if the system tries to give a reason when applying the
1124                     // FORCED_BY_USER reason. The sub-reason is undefined (though most likely a
1125                     // REASON_SUB_FORCED_SYSTEM_FLAG_ sub-reason), but it's better to note it in the
1126                     // log than to exclude it altogether.
1127                     sb.append("-").append(Integer.toBinaryString(subReason));
1128                 }
1129                 break;
1130             case REASON_MAIN_PREDICTED:
1131                 sb.append("p");
1132                 switch (subReason) {
1133                     case REASON_SUB_PREDICTED_RESTORED:
1134                         sb.append("-r");
1135                         break;
1136                 }
1137                 break;
1138             case REASON_MAIN_TIMEOUT:
1139                 sb.append("t");
1140                 break;
1141             case REASON_MAIN_USAGE:
1142                 sb.append("u");
1143                 switch (subReason) {
1144                     case REASON_SUB_USAGE_SYSTEM_INTERACTION:
1145                         sb.append("-si");
1146                         break;
1147                     case REASON_SUB_USAGE_NOTIFICATION_SEEN:
1148                         sb.append("-ns");
1149                         break;
1150                     case REASON_SUB_USAGE_USER_INTERACTION:
1151                         sb.append("-ui");
1152                         break;
1153                     case REASON_SUB_USAGE_MOVE_TO_FOREGROUND:
1154                         sb.append("-mf");
1155                         break;
1156                     case REASON_SUB_USAGE_MOVE_TO_BACKGROUND:
1157                         sb.append("-mb");
1158                         break;
1159                     case REASON_SUB_USAGE_SYSTEM_UPDATE:
1160                         sb.append("-su");
1161                         break;
1162                     case REASON_SUB_USAGE_ACTIVE_TIMEOUT:
1163                         sb.append("-at");
1164                         break;
1165                     case REASON_SUB_USAGE_SYNC_ADAPTER:
1166                         sb.append("-sa");
1167                         break;
1168                     case REASON_SUB_USAGE_SLICE_PINNED:
1169                         sb.append("-lp");
1170                         break;
1171                     case REASON_SUB_USAGE_SLICE_PINNED_PRIV:
1172                         sb.append("-lv");
1173                         break;
1174                     case REASON_SUB_USAGE_EXEMPTED_SYNC_SCHEDULED_NON_DOZE:
1175                         sb.append("-en");
1176                         break;
1177                     case REASON_SUB_USAGE_EXEMPTED_SYNC_SCHEDULED_DOZE:
1178                         sb.append("-ed");
1179                         break;
1180                     case REASON_SUB_USAGE_EXEMPTED_SYNC_START:
1181                         sb.append("-es");
1182                         break;
1183                     case REASON_SUB_USAGE_UNEXEMPTED_SYNC_SCHEDULED:
1184                         sb.append("-uss");
1185                         break;
1186                     case REASON_SUB_USAGE_FOREGROUND_SERVICE_START:
1187                         sb.append("-fss");
1188                         break;
1189                 }
1190                 break;
1191         }
1192         return sb.toString();
1193     }
1194 
1195     /** @hide */
usageSourceToString(int usageSource)1196     public static String usageSourceToString(int usageSource) {
1197         switch (usageSource) {
1198             case USAGE_SOURCE_TASK_ROOT_ACTIVITY:
1199                 return "TASK_ROOT_ACTIVITY";
1200             case USAGE_SOURCE_CURRENT_ACTIVITY:
1201                 return "CURRENT_ACTIVITY";
1202             default:
1203                 StringBuilder sb = new StringBuilder();
1204                 sb.append("UNKNOWN(");
1205                 sb.append(usageSource);
1206                 sb.append(")");
1207                 return sb.toString();
1208         }
1209     }
1210 
1211     /**
1212      * {@hide}
1213      * Temporarily allowlist the specified app for a short duration. This is to allow an app
1214      * receiving a high priority message to be able to access the network and acquire wakelocks
1215      * even if the device is in power-save mode or the app is currently considered inactive.
1216      * @param packageName The package name of the app to allowlist.
1217      * @param duration Duration to allowlist the app for, in milliseconds. It is recommended that
1218      * this be limited to 10s of seconds. Requested duration will be clamped to a few minutes.
1219      * @param user The user for whom the package should be allowlisted. Passing in a user that is
1220      * not the same as the caller's process will require the INTERACT_ACROSS_USERS permission.
1221      * @see #isAppInactive(String)
1222      *
1223      * @deprecated Use
1224      * {@link android.os.PowerWhitelistManager#whitelistAppTemporarily(String, long)} instead.
1225      */
1226     @SystemApi
1227     @RequiresPermission(android.Manifest.permission.CHANGE_DEVICE_IDLE_TEMP_WHITELIST)
1228     @Deprecated
whitelistAppTemporarily(String packageName, long duration, UserHandle user)1229     public void whitelistAppTemporarily(String packageName, long duration, UserHandle user) {
1230         mContext.getSystemService(PowerWhitelistManager.class)
1231                 .whitelistAppTemporarily(packageName, duration);
1232     }
1233 
1234     /**
1235      * Inform usage stats that the carrier privileged apps access rules have changed.
1236      * <p> The caller must have {@link android.Manifest.permission#BIND_CARRIER_SERVICES} </p>
1237      * @hide
1238      */
1239     @SystemApi
1240     @RequiresPermission(android.Manifest.permission.BIND_CARRIER_SERVICES)
onCarrierPrivilegedAppsChanged()1241     public void onCarrierPrivilegedAppsChanged() {
1242         try {
1243             mService.onCarrierPrivilegedAppsChanged();
1244         } catch (RemoteException re) {
1245             throw re.rethrowFromSystemServer();
1246         }
1247     }
1248 
1249     /**
1250      * Reports a Chooser action to the UsageStatsManager.
1251      *
1252      * @param packageName The package name of the app that is selected.
1253      * @param userId The user id of who makes the selection.
1254      * @param contentType The type of the content, e.g., Image, Video, App.
1255      * @param annotations The annotations of the content, e.g., Game, Selfie.
1256      * @param action The action type of Intent that invokes ChooserActivity.
1257      * {@link UsageEvents}
1258      * @hide
1259      */
reportChooserSelection(String packageName, int userId, String contentType, String[] annotations, String action)1260     public void reportChooserSelection(String packageName, int userId, String contentType,
1261                                        String[] annotations, String action) {
1262         try {
1263             mService.reportChooserSelection(packageName, userId, contentType, annotations, action);
1264         } catch (RemoteException re) {
1265         }
1266     }
1267 
1268     /**
1269      * Get the last time a package is used by any users including explicit user interaction and
1270      * component usage, measured in milliseconds since the epoch and truncated to the boundary of
1271      * last day before the exact time. For packages that are never used, the time will be the epoch.
1272      * <p> Note that this usage stats is user-agnostic. </p>
1273      * <p>
1274      * Also note that component usage is only reported for component bindings (e.g. broadcast
1275      * receiver, service, content provider) and only when such a binding would cause an app to leave
1276      * the stopped state.
1277      * See {@link UsageEvents.Event.USER_INTERACTION}, {@link UsageEvents.Event.APP_COMPONENT_USED}.
1278      * </p>
1279      *
1280      * @param packageName The name of the package to be queried.
1281      * @return last time the queried package is used since the epoch.
1282      * @hide
1283      */
1284     @SystemApi
1285     @RequiresPermission(allOf = {
1286             android.Manifest.permission.INTERACT_ACROSS_USERS,
1287             android.Manifest.permission.PACKAGE_USAGE_STATS})
getLastTimeAnyComponentUsed(@onNull String packageName)1288     public long getLastTimeAnyComponentUsed(@NonNull String packageName) {
1289         try {
1290             return mService.getLastTimeAnyComponentUsed(packageName, mContext.getOpPackageName());
1291         } catch (RemoteException re) {
1292             throw re.rethrowFromSystemServer();
1293         }
1294     }
1295 }
1296