PackageManager.java revision 0a111ad6d08db275aa1d7d2079ab017eeb05578b
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.content.pm;
18
19import android.Manifest;
20import android.annotation.CheckResult;
21import android.annotation.DrawableRes;
22import android.annotation.IntDef;
23import android.annotation.IntRange;
24import android.annotation.NonNull;
25import android.annotation.Nullable;
26import android.annotation.RequiresPermission;
27import android.annotation.SdkConstant;
28import android.annotation.SdkConstant.SdkConstantType;
29import android.annotation.StringRes;
30import android.annotation.SystemApi;
31import android.annotation.TestApi;
32import android.annotation.UserIdInt;
33import android.annotation.XmlRes;
34import android.app.ActivityManager;
35import android.app.PackageDeleteObserver;
36import android.app.PackageInstallObserver;
37import android.app.admin.DevicePolicyManager;
38import android.app.usage.StorageStatsManager;
39import android.content.ComponentName;
40import android.content.Context;
41import android.content.Intent;
42import android.content.IntentFilter;
43import android.content.IntentSender;
44import android.content.pm.PackageParser.PackageParserException;
45import android.content.pm.dex.ArtManager;
46import android.content.res.Resources;
47import android.content.res.XmlResourceParser;
48import android.graphics.Rect;
49import android.graphics.drawable.Drawable;
50import android.net.wifi.WifiManager;
51import android.os.Build;
52import android.os.Bundle;
53import android.os.Handler;
54import android.os.PersistableBundle;
55import android.os.RemoteException;
56import android.os.UserHandle;
57import android.os.UserManager;
58import android.os.storage.StorageManager;
59import android.os.storage.VolumeInfo;
60import android.util.AndroidException;
61import android.util.Log;
62
63import com.android.internal.util.ArrayUtils;
64
65import dalvik.system.VMRuntime;
66
67import java.io.File;
68import java.lang.annotation.Retention;
69import java.lang.annotation.RetentionPolicy;
70import java.util.List;
71import java.util.Locale;
72
73/**
74 * Class for retrieving various kinds of information related to the application
75 * packages that are currently installed on the device.
76 *
77 * You can find this class through {@link Context#getPackageManager}.
78 */
79public abstract class PackageManager {
80    private static final String TAG = "PackageManager";
81
82    /** {@hide} */
83    public static final boolean APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE = true;
84
85    /**
86     * This exception is thrown when a given package, application, or component
87     * name cannot be found.
88     */
89    public static class NameNotFoundException extends AndroidException {
90        public NameNotFoundException() {
91        }
92
93        public NameNotFoundException(String name) {
94            super(name);
95        }
96    }
97
98    /**
99     * Listener for changes in permissions granted to a UID.
100     *
101     * @hide
102     */
103    @SystemApi
104    public interface OnPermissionsChangedListener {
105
106        /**
107         * Called when the permissions for a UID change.
108         * @param uid The UID with a change.
109         */
110        public void onPermissionsChanged(int uid);
111    }
112
113    /**
114     * As a guiding principle:
115     * <p>
116     * {@code GET_} flags are used to request additional data that may have been
117     * elided to save wire space.
118     * <p>
119     * {@code MATCH_} flags are used to include components or packages that
120     * would have otherwise been omitted from a result set by current system
121     * state.
122     */
123
124    /** @hide */
125    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
126            GET_ACTIVITIES,
127            GET_CONFIGURATIONS,
128            GET_GIDS,
129            GET_INSTRUMENTATION,
130            GET_INTENT_FILTERS,
131            GET_META_DATA,
132            GET_PERMISSIONS,
133            GET_PROVIDERS,
134            GET_RECEIVERS,
135            GET_SERVICES,
136            GET_SHARED_LIBRARY_FILES,
137            GET_SIGNATURES,
138            GET_SIGNING_CERTIFICATES,
139            GET_URI_PERMISSION_PATTERNS,
140            MATCH_UNINSTALLED_PACKAGES,
141            MATCH_DISABLED_COMPONENTS,
142            MATCH_DISABLED_UNTIL_USED_COMPONENTS,
143            MATCH_SYSTEM_ONLY,
144            MATCH_FACTORY_ONLY,
145            MATCH_DEBUG_TRIAGED_MISSING,
146            MATCH_INSTANT,
147            GET_DISABLED_COMPONENTS,
148            GET_DISABLED_UNTIL_USED_COMPONENTS,
149            GET_UNINSTALLED_PACKAGES,
150    })
151    @Retention(RetentionPolicy.SOURCE)
152    public @interface PackageInfoFlags {}
153
154    /** @hide */
155    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
156            GET_META_DATA,
157            GET_SHARED_LIBRARY_FILES,
158            MATCH_UNINSTALLED_PACKAGES,
159            MATCH_SYSTEM_ONLY,
160            MATCH_DEBUG_TRIAGED_MISSING,
161            MATCH_DISABLED_COMPONENTS,
162            MATCH_DISABLED_UNTIL_USED_COMPONENTS,
163            MATCH_INSTANT,
164            MATCH_STATIC_SHARED_LIBRARIES,
165            GET_DISABLED_UNTIL_USED_COMPONENTS,
166            GET_UNINSTALLED_PACKAGES,
167    })
168    @Retention(RetentionPolicy.SOURCE)
169    public @interface ApplicationInfoFlags {}
170
171    /** @hide */
172    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
173            GET_META_DATA,
174            GET_SHARED_LIBRARY_FILES,
175            MATCH_ALL,
176            MATCH_DEBUG_TRIAGED_MISSING,
177            MATCH_DEFAULT_ONLY,
178            MATCH_DISABLED_COMPONENTS,
179            MATCH_DISABLED_UNTIL_USED_COMPONENTS,
180            MATCH_DIRECT_BOOT_AWARE,
181            MATCH_DIRECT_BOOT_UNAWARE,
182            MATCH_SYSTEM_ONLY,
183            MATCH_UNINSTALLED_PACKAGES,
184            MATCH_INSTANT,
185            MATCH_STATIC_SHARED_LIBRARIES,
186            GET_DISABLED_COMPONENTS,
187            GET_DISABLED_UNTIL_USED_COMPONENTS,
188            GET_UNINSTALLED_PACKAGES,
189    })
190    @Retention(RetentionPolicy.SOURCE)
191    public @interface ComponentInfoFlags {}
192
193    /** @hide */
194    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
195            GET_META_DATA,
196            GET_RESOLVED_FILTER,
197            GET_SHARED_LIBRARY_FILES,
198            MATCH_ALL,
199            MATCH_DEBUG_TRIAGED_MISSING,
200            MATCH_DISABLED_COMPONENTS,
201            MATCH_DISABLED_UNTIL_USED_COMPONENTS,
202            MATCH_DEFAULT_ONLY,
203            MATCH_DIRECT_BOOT_AWARE,
204            MATCH_DIRECT_BOOT_UNAWARE,
205            MATCH_SYSTEM_ONLY,
206            MATCH_UNINSTALLED_PACKAGES,
207            MATCH_INSTANT,
208            GET_DISABLED_COMPONENTS,
209            GET_DISABLED_UNTIL_USED_COMPONENTS,
210            GET_UNINSTALLED_PACKAGES,
211    })
212    @Retention(RetentionPolicy.SOURCE)
213    public @interface ResolveInfoFlags {}
214
215    /** @hide */
216    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
217            GET_META_DATA,
218    })
219    @Retention(RetentionPolicy.SOURCE)
220    public @interface PermissionInfoFlags {}
221
222    /** @hide */
223    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
224            GET_META_DATA,
225    })
226    @Retention(RetentionPolicy.SOURCE)
227    public @interface PermissionGroupInfoFlags {}
228
229    /** @hide */
230    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
231            GET_META_DATA,
232    })
233    @Retention(RetentionPolicy.SOURCE)
234    public @interface InstrumentationInfoFlags {}
235
236    /**
237     * {@link PackageInfo} flag: return information about
238     * activities in the package in {@link PackageInfo#activities}.
239     */
240    public static final int GET_ACTIVITIES              = 0x00000001;
241
242    /**
243     * {@link PackageInfo} flag: return information about
244     * intent receivers in the package in
245     * {@link PackageInfo#receivers}.
246     */
247    public static final int GET_RECEIVERS               = 0x00000002;
248
249    /**
250     * {@link PackageInfo} flag: return information about
251     * services in the package in {@link PackageInfo#services}.
252     */
253    public static final int GET_SERVICES                = 0x00000004;
254
255    /**
256     * {@link PackageInfo} flag: return information about
257     * content providers in the package in
258     * {@link PackageInfo#providers}.
259     */
260    public static final int GET_PROVIDERS               = 0x00000008;
261
262    /**
263     * {@link PackageInfo} flag: return information about
264     * instrumentation in the package in
265     * {@link PackageInfo#instrumentation}.
266     */
267    public static final int GET_INSTRUMENTATION         = 0x00000010;
268
269    /**
270     * {@link PackageInfo} flag: return information about the
271     * intent filters supported by the activity.
272     */
273    public static final int GET_INTENT_FILTERS          = 0x00000020;
274
275    /**
276     * {@link PackageInfo} flag: return information about the
277     * signatures included in the package.
278     *
279     * @deprecated use {@code GET_SIGNING_CERTIFICATES} instead
280     */
281    @Deprecated
282    public static final int GET_SIGNATURES          = 0x00000040;
283
284    /**
285     * {@link ResolveInfo} flag: return the IntentFilter that
286     * was matched for a particular ResolveInfo in
287     * {@link ResolveInfo#filter}.
288     */
289    public static final int GET_RESOLVED_FILTER         = 0x00000040;
290
291    /**
292     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
293     * data {@link android.os.Bundle}s that are associated with a component.
294     * This applies for any API returning a ComponentInfo subclass.
295     */
296    public static final int GET_META_DATA               = 0x00000080;
297
298    /**
299     * {@link PackageInfo} flag: return the
300     * {@link PackageInfo#gids group ids} that are associated with an
301     * application.
302     * This applies for any API returning a PackageInfo class, either
303     * directly or nested inside of another.
304     */
305    public static final int GET_GIDS                    = 0x00000100;
306
307    /**
308     * @deprecated replaced with {@link #MATCH_DISABLED_COMPONENTS}
309     */
310    @Deprecated
311    public static final int GET_DISABLED_COMPONENTS = 0x00000200;
312
313    /**
314     * {@link PackageInfo} flag: include disabled components in the returned info.
315     */
316    public static final int MATCH_DISABLED_COMPONENTS = 0x00000200;
317
318    /**
319     * {@link ApplicationInfo} flag: return the
320     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
321     * that are associated with an application.
322     * This applies for any API returning an ApplicationInfo class, either
323     * directly or nested inside of another.
324     */
325    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
326
327    /**
328     * {@link ProviderInfo} flag: return the
329     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
330     * that are associated with a content provider.
331     * This applies for any API returning a ProviderInfo class, either
332     * directly or nested inside of another.
333     */
334    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
335    /**
336     * {@link PackageInfo} flag: return information about
337     * permissions in the package in
338     * {@link PackageInfo#permissions}.
339     */
340    public static final int GET_PERMISSIONS               = 0x00001000;
341
342    /**
343     * @deprecated replaced with {@link #MATCH_UNINSTALLED_PACKAGES}
344     */
345    @Deprecated
346    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
347
348    /**
349     * Flag parameter to retrieve some information about all applications (even
350     * uninstalled ones) which have data directories. This state could have
351     * resulted if applications have been deleted with flag
352     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
353     * reinstalled in future.
354     * <p>
355     * Note: this flag may cause less information about currently installed
356     * applications to be returned.
357     */
358    public static final int MATCH_UNINSTALLED_PACKAGES = 0x00002000;
359
360    /**
361     * {@link PackageInfo} flag: return information about
362     * hardware preferences in
363     * {@link PackageInfo#configPreferences PackageInfo.configPreferences},
364     * and requested features in {@link PackageInfo#reqFeatures} and
365     * {@link PackageInfo#featureGroups}.
366     */
367    public static final int GET_CONFIGURATIONS = 0x00004000;
368
369    /**
370     * @deprecated replaced with {@link #MATCH_DISABLED_UNTIL_USED_COMPONENTS}.
371     */
372    @Deprecated
373    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
374
375    /**
376     * {@link PackageInfo} flag: include disabled components which are in
377     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
378     * in the returned info.  Note that if you set this flag, applications
379     * that are in this disabled state will be reported as enabled.
380     */
381    public static final int MATCH_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
382
383    /**
384     * Resolution and querying flag: if set, only filters that support the
385     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
386     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
387     * supplied Intent.
388     */
389    public static final int MATCH_DEFAULT_ONLY  = 0x00010000;
390
391    /**
392     * Querying flag: if set and if the platform is doing any filtering of the
393     * results, then the filtering will not happen. This is a synonym for saying
394     * that all results should be returned.
395     * <p>
396     * <em>This flag should be used with extreme care.</em>
397     */
398    public static final int MATCH_ALL = 0x00020000;
399
400    /**
401     * Querying flag: match components which are direct boot <em>unaware</em> in
402     * the returned info, regardless of the current user state.
403     * <p>
404     * When neither {@link #MATCH_DIRECT_BOOT_AWARE} nor
405     * {@link #MATCH_DIRECT_BOOT_UNAWARE} are specified, the default behavior is
406     * to match only runnable components based on the user state. For example,
407     * when a user is started but credentials have not been presented yet, the
408     * user is running "locked" and only {@link #MATCH_DIRECT_BOOT_AWARE}
409     * components are returned. Once the user credentials have been presented,
410     * the user is running "unlocked" and both {@link #MATCH_DIRECT_BOOT_AWARE}
411     * and {@link #MATCH_DIRECT_BOOT_UNAWARE} components are returned.
412     *
413     * @see UserManager#isUserUnlocked()
414     */
415    public static final int MATCH_DIRECT_BOOT_UNAWARE = 0x00040000;
416
417    /**
418     * Querying flag: match components which are direct boot <em>aware</em> in
419     * the returned info, regardless of the current user state.
420     * <p>
421     * When neither {@link #MATCH_DIRECT_BOOT_AWARE} nor
422     * {@link #MATCH_DIRECT_BOOT_UNAWARE} are specified, the default behavior is
423     * to match only runnable components based on the user state. For example,
424     * when a user is started but credentials have not been presented yet, the
425     * user is running "locked" and only {@link #MATCH_DIRECT_BOOT_AWARE}
426     * components are returned. Once the user credentials have been presented,
427     * the user is running "unlocked" and both {@link #MATCH_DIRECT_BOOT_AWARE}
428     * and {@link #MATCH_DIRECT_BOOT_UNAWARE} components are returned.
429     *
430     * @see UserManager#isUserUnlocked()
431     */
432    public static final int MATCH_DIRECT_BOOT_AWARE = 0x00080000;
433
434    /**
435     * Querying flag: include only components from applications that are marked
436     * with {@link ApplicationInfo#FLAG_SYSTEM}.
437     */
438    public static final int MATCH_SYSTEM_ONLY = 0x00100000;
439
440    /**
441     * Internal {@link PackageInfo} flag: include only components on the system image.
442     * This will not return information on any unbundled update to system components.
443     * @hide
444     */
445    @SystemApi
446    @TestApi
447    public static final int MATCH_FACTORY_ONLY = 0x00200000;
448
449    /**
450     * Allows querying of packages installed for any user, not just the specific one. This flag
451     * is only meant for use by apps that have INTERACT_ACROSS_USERS permission.
452     * @hide
453     */
454    @SystemApi
455    public static final int MATCH_ANY_USER = 0x00400000;
456
457    /**
458     * Combination of MATCH_ANY_USER and MATCH_UNINSTALLED_PACKAGES to mean any known
459     * package.
460     * @hide
461     */
462    public static final int MATCH_KNOWN_PACKAGES = MATCH_UNINSTALLED_PACKAGES | MATCH_ANY_USER;
463
464    /**
465     * Internal {@link PackageInfo} flag: include components that are part of an
466     * instant app. By default, instant app components are not matched.
467     * @hide
468     */
469    @SystemApi
470    public static final int MATCH_INSTANT = 0x00800000;
471
472    /**
473     * Internal {@link PackageInfo} flag: include only components that are exposed to
474     * instant apps. Matched components may have been either explicitly or implicitly
475     * exposed.
476     * @hide
477     */
478    public static final int MATCH_VISIBLE_TO_INSTANT_APP_ONLY = 0x01000000;
479
480    /**
481     * Internal {@link PackageInfo} flag: include only components that have been
482     * explicitly exposed to instant apps.
483     * @hide
484     */
485    public static final int MATCH_EXPLICITLY_VISIBLE_ONLY = 0x02000000;
486
487    /**
488     * Internal {@link PackageInfo} flag: include static shared libraries.
489     * Apps that depend on static shared libs can always access the version
490     * of the lib they depend on. System/shell/root can access all shared
491     * libs regardless of dependency but need to explicitly ask for them
492     * via this flag.
493     * @hide
494     */
495    public static final int MATCH_STATIC_SHARED_LIBRARIES = 0x04000000;
496
497    /**
498     * {@link PackageInfo} flag: return the signing certificates associated with
499     * this package.  Each entry is a signing certificate that the package
500     * has proven it is authorized to use, usually a past signing certificate from
501     * which it has rotated.
502     */
503    public static final int GET_SIGNING_CERTIFICATES = 0x08000000;
504
505    /**
506     * Internal flag used to indicate that a system component has done their
507     * homework and verified that they correctly handle packages and components
508     * that come and go over time. In particular:
509     * <ul>
510     * <li>Apps installed on external storage, which will appear to be
511     * uninstalled while the the device is ejected.
512     * <li>Apps with encryption unaware components, which will appear to not
513     * exist while the device is locked.
514     * </ul>
515     *
516     * @see #MATCH_UNINSTALLED_PACKAGES
517     * @see #MATCH_DIRECT_BOOT_AWARE
518     * @see #MATCH_DIRECT_BOOT_UNAWARE
519     * @hide
520     */
521    public static final int MATCH_DEBUG_TRIAGED_MISSING = 0x10000000;
522
523    /**
524     * Flag for {@link #addCrossProfileIntentFilter}: if this flag is set: when
525     * resolving an intent that matches the {@code CrossProfileIntentFilter},
526     * the current profile will be skipped. Only activities in the target user
527     * can respond to the intent.
528     *
529     * @hide
530     */
531    public static final int SKIP_CURRENT_PROFILE = 0x00000002;
532
533    /**
534     * Flag for {@link #addCrossProfileIntentFilter}: if this flag is set:
535     * activities in the other profiles can respond to the intent only if no activity with
536     * non-negative priority in current profile can respond to the intent.
537     * @hide
538     */
539    public static final int ONLY_IF_NO_MATCH_FOUND = 0x00000004;
540
541    /** @hide */
542    @IntDef(prefix = { "PERMISSION_" }, value = {
543            PERMISSION_GRANTED,
544            PERMISSION_DENIED
545    })
546    @Retention(RetentionPolicy.SOURCE)
547    public @interface PermissionResult {}
548
549    /**
550     * Permission check result: this is returned by {@link #checkPermission}
551     * if the permission has been granted to the given package.
552     */
553    public static final int PERMISSION_GRANTED = 0;
554
555    /**
556     * Permission check result: this is returned by {@link #checkPermission}
557     * if the permission has not been granted to the given package.
558     */
559    public static final int PERMISSION_DENIED = -1;
560
561    /** @hide */
562    @IntDef(prefix = { "SIGNATURE_" }, value = {
563            SIGNATURE_MATCH,
564            SIGNATURE_NEITHER_SIGNED,
565            SIGNATURE_FIRST_NOT_SIGNED,
566            SIGNATURE_SECOND_NOT_SIGNED,
567            SIGNATURE_NO_MATCH,
568            SIGNATURE_UNKNOWN_PACKAGE,
569    })
570    @Retention(RetentionPolicy.SOURCE)
571    public @interface SignatureResult {}
572
573    /**
574     * Signature check result: this is returned by {@link #checkSignatures}
575     * if all signatures on the two packages match.
576     */
577    public static final int SIGNATURE_MATCH = 0;
578
579    /**
580     * Signature check result: this is returned by {@link #checkSignatures}
581     * if neither of the two packages is signed.
582     */
583    public static final int SIGNATURE_NEITHER_SIGNED = 1;
584
585    /**
586     * Signature check result: this is returned by {@link #checkSignatures}
587     * if the first package is not signed but the second is.
588     */
589    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
590
591    /**
592     * Signature check result: this is returned by {@link #checkSignatures}
593     * if the second package is not signed but the first is.
594     */
595    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
596
597    /**
598     * Signature check result: this is returned by {@link #checkSignatures}
599     * if not all signatures on both packages match.
600     */
601    public static final int SIGNATURE_NO_MATCH = -3;
602
603    /**
604     * Signature check result: this is returned by {@link #checkSignatures}
605     * if either of the packages are not valid.
606     */
607    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
608
609    /** @hide */
610    @IntDef(prefix = { "COMPONENT_ENABLED_STATE_" }, value = {
611            COMPONENT_ENABLED_STATE_DEFAULT,
612            COMPONENT_ENABLED_STATE_ENABLED,
613            COMPONENT_ENABLED_STATE_DISABLED,
614            COMPONENT_ENABLED_STATE_DISABLED_USER,
615            COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED,
616    })
617    @Retention(RetentionPolicy.SOURCE)
618    public @interface EnabledState {}
619
620    /**
621     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} and
622     * {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
623     * component or application is in its default enabled state (as specified in
624     * its manifest).
625     * <p>
626     * Explicitly setting the component state to this value restores it's
627     * enabled state to whatever is set in the manifest.
628     */
629    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
630
631    /**
632     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
633     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
634     * component or application has been explictily enabled, regardless of
635     * what it has specified in its manifest.
636     */
637    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
638
639    /**
640     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
641     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
642     * component or application has been explicitly disabled, regardless of
643     * what it has specified in its manifest.
644     */
645    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
646
647    /**
648     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
649     * user has explicitly disabled the application, regardless of what it has
650     * specified in its manifest.  Because this is due to the user's request,
651     * they may re-enable it if desired through the appropriate system UI.  This
652     * option currently <strong>cannot</strong> be used with
653     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
654     */
655    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
656
657    /**
658     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
659     * application should be considered, until the point where the user actually
660     * wants to use it.  This means that it will not normally show up to the user
661     * (such as in the launcher), but various parts of the user interface can
662     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
663     * the user to select it (as for example an IME, device admin, etc).  Such code,
664     * once the user has selected the app, should at that point also make it enabled.
665     * This option currently <strong>can not</strong> be used with
666     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
667     */
668    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
669
670    /** @hide */
671    @IntDef(flag = true, prefix = { "INSTALL_" }, value = {
672            INSTALL_FORWARD_LOCK,
673            INSTALL_REPLACE_EXISTING,
674            INSTALL_ALLOW_TEST,
675            INSTALL_EXTERNAL,
676            INSTALL_INTERNAL,
677            INSTALL_FROM_ADB,
678            INSTALL_ALL_USERS,
679            INSTALL_ALLOW_DOWNGRADE,
680            INSTALL_GRANT_RUNTIME_PERMISSIONS,
681            INSTALL_FORCE_VOLUME_UUID,
682            INSTALL_FORCE_PERMISSION_PROMPT,
683            INSTALL_INSTANT_APP,
684            INSTALL_DONT_KILL_APP,
685            INSTALL_FORCE_SDK,
686            INSTALL_FULL_APP,
687            INSTALL_ALLOCATE_AGGRESSIVE,
688    })
689    @Retention(RetentionPolicy.SOURCE)
690    public @interface InstallFlags {}
691
692    /**
693     * Flag parameter for {@link #installPackage} to indicate that this package
694     * should be installed as forward locked, i.e. only the app itself should
695     * have access to its code and non-resource assets.
696     *
697     * @deprecated new installs into ASEC containers are no longer supported.
698     * @hide
699     */
700    @Deprecated
701    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
702
703    /**
704     * Flag parameter for {@link #installPackage} to indicate that you want to
705     * replace an already installed package, if one exists.
706     *
707     * @hide
708     */
709    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
710
711    /**
712     * Flag parameter for {@link #installPackage} to indicate that you want to
713     * allow test packages (those that have set android:testOnly in their
714     * manifest) to be installed.
715     * @hide
716     */
717    public static final int INSTALL_ALLOW_TEST = 0x00000004;
718
719    /**
720     * Flag parameter for {@link #installPackage} to indicate that this package
721     * must be installed to an ASEC on a {@link VolumeInfo#TYPE_PUBLIC}.
722     *
723     * @deprecated new installs into ASEC containers are no longer supported;
724     *             use adoptable storage instead.
725     * @hide
726     */
727    @Deprecated
728    public static final int INSTALL_EXTERNAL = 0x00000008;
729
730    /**
731     * Flag parameter for {@link #installPackage} to indicate that this package
732     * must be installed to internal storage.
733     *
734     * @hide
735     */
736    public static final int INSTALL_INTERNAL = 0x00000010;
737
738    /**
739     * Flag parameter for {@link #installPackage} to indicate that this install
740     * was initiated via ADB.
741     *
742     * @hide
743     */
744    public static final int INSTALL_FROM_ADB = 0x00000020;
745
746    /**
747     * Flag parameter for {@link #installPackage} to indicate that this install
748     * should immediately be visible to all users.
749     *
750     * @hide
751     */
752    public static final int INSTALL_ALL_USERS = 0x00000040;
753
754    /**
755     * Flag parameter for {@link #installPackage} to indicate that it is okay
756     * to install an update to an app where the newly installed app has a lower
757     * version code than the currently installed app. This is permitted only if
758     * the currently installed app is marked debuggable.
759     *
760     * @hide
761     */
762    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
763
764    /**
765     * Flag parameter for {@link #installPackage} to indicate that all runtime
766     * permissions should be granted to the package. If {@link #INSTALL_ALL_USERS}
767     * is set the runtime permissions will be granted to all users, otherwise
768     * only to the owner.
769     *
770     * @hide
771     */
772    public static final int INSTALL_GRANT_RUNTIME_PERMISSIONS = 0x00000100;
773
774    /** {@hide} */
775    public static final int INSTALL_FORCE_VOLUME_UUID = 0x00000200;
776
777    /**
778     * Flag parameter for {@link #installPackage} to indicate that we always want to force
779     * the prompt for permission approval. This overrides any special behaviour for internal
780     * components.
781     *
782     * @hide
783     */
784    public static final int INSTALL_FORCE_PERMISSION_PROMPT = 0x00000400;
785
786    /**
787     * Flag parameter for {@link #installPackage} to indicate that this package is
788     * to be installed as a lightweight "ephemeral" app.
789     *
790     * @hide
791     */
792    public static final int INSTALL_INSTANT_APP = 0x00000800;
793
794    /**
795     * Flag parameter for {@link #installPackage} to indicate that this package contains
796     * a feature split to an existing application and the existing application should not
797     * be killed during the installation process.
798     *
799     * @hide
800     */
801    public static final int INSTALL_DONT_KILL_APP = 0x00001000;
802
803    /**
804     * Flag parameter for {@link #installPackage} to indicate that this package is an
805     * upgrade to a package that refers to the SDK via release letter or is targeting an SDK via
806     * release letter that the current build does not support.
807     *
808     * @hide
809     */
810    public static final int INSTALL_FORCE_SDK = 0x00002000;
811
812    /**
813     * Flag parameter for {@link #installPackage} to indicate that this package is
814     * to be installed as a heavy weight app. This is fundamentally the opposite of
815     * {@link #INSTALL_INSTANT_APP}.
816     *
817     * @hide
818     */
819    public static final int INSTALL_FULL_APP = 0x00004000;
820
821    /**
822     * Flag parameter for {@link #installPackage} to indicate that this package
823     * is critical to system health or security, meaning the system should use
824     * {@link StorageManager#FLAG_ALLOCATE_AGGRESSIVE} internally.
825     *
826     * @hide
827     */
828    public static final int INSTALL_ALLOCATE_AGGRESSIVE = 0x00008000;
829
830    /**
831     * Flag parameter for {@link #installPackage} to indicate that this package
832     * is a virtual preload.
833     *
834     * @hide
835     */
836    public static final int INSTALL_VIRTUAL_PRELOAD = 0x00010000;
837
838    /** @hide */
839    @IntDef(flag = true, prefix = { "DONT_KILL_APP" }, value = {
840            DONT_KILL_APP
841    })
842    @Retention(RetentionPolicy.SOURCE)
843    public @interface EnabledFlags {}
844
845    /**
846     * Flag parameter for
847     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
848     * that you don't want to kill the app containing the component.  Be careful when you set this
849     * since changing component states can make the containing application's behavior unpredictable.
850     */
851    public static final int DONT_KILL_APP = 0x00000001;
852
853    /** @hide */
854    @IntDef(prefix = { "INSTALL_REASON_" }, value = {
855            INSTALL_REASON_UNKNOWN,
856            INSTALL_REASON_POLICY,
857            INSTALL_REASON_DEVICE_RESTORE,
858            INSTALL_REASON_DEVICE_SETUP,
859            INSTALL_REASON_USER
860    })
861    @Retention(RetentionPolicy.SOURCE)
862    public @interface InstallReason {}
863
864    /**
865     * Code indicating that the reason for installing this package is unknown.
866     */
867    public static final int INSTALL_REASON_UNKNOWN = 0;
868
869    /**
870     * Code indicating that this package was installed due to enterprise policy.
871     */
872    public static final int INSTALL_REASON_POLICY = 1;
873
874    /**
875     * Code indicating that this package was installed as part of restoring from another device.
876     */
877    public static final int INSTALL_REASON_DEVICE_RESTORE = 2;
878
879    /**
880     * Code indicating that this package was installed as part of device setup.
881     */
882    public static final int INSTALL_REASON_DEVICE_SETUP = 3;
883
884    /**
885     * Code indicating that the package installation was initiated by the user.
886     */
887    public static final int INSTALL_REASON_USER = 4;
888
889    /**
890     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
891     * on success.
892     *
893     * @hide
894     */
895    @SystemApi
896    public static final int INSTALL_SUCCEEDED = 1;
897
898    /**
899     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
900     * if the package is already installed.
901     *
902     * @hide
903     */
904    @SystemApi
905    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
906
907    /**
908     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
909     * if the package archive file is invalid.
910     *
911     * @hide
912     */
913    @SystemApi
914    public static final int INSTALL_FAILED_INVALID_APK = -2;
915
916    /**
917     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
918     * if the URI passed in is invalid.
919     *
920     * @hide
921     */
922    @SystemApi
923    public static final int INSTALL_FAILED_INVALID_URI = -3;
924
925    /**
926     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
927     * if the package manager service found that the device didn't have enough storage space to
928     * install the app.
929     *
930     * @hide
931     */
932    @SystemApi
933    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
934
935    /**
936     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
937     * if a package is already installed with the same name.
938     *
939     * @hide
940     */
941    @SystemApi
942    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
943
944    /**
945     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
946     * if the requested shared user does not exist.
947     *
948     * @hide
949     */
950    @SystemApi
951    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
952
953    /**
954     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
955     * if a previously installed package of the same name has a different signature than the new
956     * package (and the old package's data was not removed).
957     *
958     * @hide
959     */
960    @SystemApi
961    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
962
963    /**
964     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
965     * if the new package is requested a shared user which is already installed on the device and
966     * does not have matching signature.
967     *
968     * @hide
969     */
970    @SystemApi
971    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
972
973    /**
974     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
975     * if the new package uses a shared library that is not available.
976     *
977     * @hide
978     */
979    @SystemApi
980    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
981
982    /**
983     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
984     * if the new package uses a shared library that is not available.
985     *
986     * @hide
987     */
988    @SystemApi
989    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
990
991    /**
992     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
993     * if the new package failed while optimizing and validating its dex files, either because there
994     * was not enough storage or the validation failed.
995     *
996     * @hide
997     */
998    @SystemApi
999    public static final int INSTALL_FAILED_DEXOPT = -11;
1000
1001    /**
1002     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1003     * if the new package failed because the current SDK version is older than that required by the
1004     * package.
1005     *
1006     * @hide
1007     */
1008    @SystemApi
1009    public static final int INSTALL_FAILED_OLDER_SDK = -12;
1010
1011    /**
1012     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1013     * if the new package failed because it contains a content provider with the same authority as a
1014     * provider already installed in the system.
1015     *
1016     * @hide
1017     */
1018    @SystemApi
1019    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
1020
1021    /**
1022     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1023     * if the new package failed because the current SDK version is newer than that required by the
1024     * package.
1025     *
1026     * @hide
1027     */
1028    @SystemApi
1029    public static final int INSTALL_FAILED_NEWER_SDK = -14;
1030
1031    /**
1032     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1033     * if the new package failed because it has specified that it is a test-only package and the
1034     * caller has not supplied the {@link #INSTALL_ALLOW_TEST} flag.
1035     *
1036     * @hide
1037     */
1038    @SystemApi
1039    public static final int INSTALL_FAILED_TEST_ONLY = -15;
1040
1041    /**
1042     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1043     * if the package being installed contains native code, but none that is compatible with the
1044     * device's CPU_ABI.
1045     *
1046     * @hide
1047     */
1048    @SystemApi
1049    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
1050
1051    /**
1052     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1053     * if the new package uses a feature that is not available.
1054     *
1055     * @hide
1056     */
1057    @SystemApi
1058    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
1059
1060    // ------ Errors related to sdcard
1061    /**
1062     * Installation return code: this is passed in the
1063     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if a secure container mount point couldn't be
1064     * accessed on external media.
1065     *
1066     * @hide
1067     */
1068    @SystemApi
1069    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
1070
1071    /**
1072     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1073     * if the new package couldn't be installed in the specified install location.
1074     *
1075     * @hide
1076     */
1077    @SystemApi
1078    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
1079
1080    /**
1081     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1082     * if the new package couldn't be installed in the specified install location because the media
1083     * is not available.
1084     *
1085     * @hide
1086     */
1087    @SystemApi
1088    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
1089
1090    /**
1091     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1092     * if the new package couldn't be installed because the verification timed out.
1093     *
1094     * @hide
1095     */
1096    @SystemApi
1097    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
1098
1099    /**
1100     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1101     * if the new package couldn't be installed because the verification did not succeed.
1102     *
1103     * @hide
1104     */
1105    @SystemApi
1106    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
1107
1108    /**
1109     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1110     * if the package changed from what the calling program expected.
1111     *
1112     * @hide
1113     */
1114    @SystemApi
1115    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
1116
1117    /**
1118     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1119     * if the new package is assigned a different UID than it previously held.
1120     *
1121     * @hide
1122     */
1123    public static final int INSTALL_FAILED_UID_CHANGED = -24;
1124
1125    /**
1126     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1127     * if the new package has an older version code than the currently installed package.
1128     *
1129     * @hide
1130     */
1131    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
1132
1133    /**
1134     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1135     * if the old package has target SDK high enough to support runtime permission and the new
1136     * package has target SDK low enough to not support runtime permissions.
1137     *
1138     * @hide
1139     */
1140    @SystemApi
1141    public static final int INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE = -26;
1142
1143    /**
1144     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1145     * if the new package attempts to downgrade the target sandbox version of the app.
1146     *
1147     * @hide
1148     */
1149    @SystemApi
1150    public static final int INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE = -27;
1151
1152    /**
1153     * Installation parse return code: this is passed in the
1154     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser was given a path that is not a
1155     * file, or does not end with the expected '.apk' extension.
1156     *
1157     * @hide
1158     */
1159    @SystemApi
1160    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
1161
1162    /**
1163     * Installation parse return code: this is passed in the
1164     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser was unable to retrieve the
1165     * AndroidManifest.xml file.
1166     *
1167     * @hide
1168     */
1169    @SystemApi
1170    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
1171
1172    /**
1173     * Installation parse return code: this is passed in the
1174     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered an unexpected
1175     * exception.
1176     *
1177     * @hide
1178     */
1179    @SystemApi
1180    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
1181
1182    /**
1183     * Installation parse return code: this is passed in the
1184     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser did not find any certificates in
1185     * the .apk.
1186     *
1187     * @hide
1188     */
1189    @SystemApi
1190    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
1191
1192    /**
1193     * Installation parse return code: this is passed in the
1194     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser found inconsistent certificates on
1195     * the files in the .apk.
1196     *
1197     * @hide
1198     */
1199    @SystemApi
1200    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
1201
1202    /**
1203     * Installation parse return code: this is passed in the
1204     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered a
1205     * CertificateEncodingException in one of the files in the .apk.
1206     *
1207     * @hide
1208     */
1209    @SystemApi
1210    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
1211
1212    /**
1213     * Installation parse return code: this is passed in the
1214     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered a bad or missing
1215     * package name in the manifest.
1216     *
1217     * @hide
1218     */
1219    @SystemApi
1220    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
1221
1222    /**
1223     * Installation parse return code: tthis is passed in the
1224     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered a bad shared user id
1225     * name in the manifest.
1226     *
1227     * @hide
1228     */
1229    @SystemApi
1230    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
1231
1232    /**
1233     * Installation parse return code: this is passed in the
1234     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered some structural
1235     * problem in the manifest.
1236     *
1237     * @hide
1238     */
1239    @SystemApi
1240    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
1241
1242    /**
1243     * Installation parse return code: this is passed in the
1244     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser did not find any actionable tags
1245     * (instrumentation or application) in the manifest.
1246     *
1247     * @hide
1248     */
1249    @SystemApi
1250    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
1251
1252    /**
1253     * Installation failed return code: this is passed in the
1254     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the system failed to install the package
1255     * because of system issues.
1256     *
1257     * @hide
1258     */
1259    @SystemApi
1260    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
1261
1262    /**
1263     * Installation failed return code: this is passed in the
1264     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the system failed to install the package
1265     * because the user is restricted from installing apps.
1266     *
1267     * @hide
1268     */
1269    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
1270
1271    /**
1272     * Installation failed return code: this is passed in the
1273     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the system failed to install the package
1274     * because it is attempting to define a permission that is already defined by some existing
1275     * package.
1276     * <p>
1277     * The package name of the app which has already defined the permission is passed to a
1278     * {@link PackageInstallObserver}, if any, as the {@link #EXTRA_FAILURE_EXISTING_PACKAGE} string
1279     * extra; and the name of the permission being redefined is passed in the
1280     * {@link #EXTRA_FAILURE_EXISTING_PERMISSION} string extra.
1281     *
1282     * @hide
1283     */
1284    public static final int INSTALL_FAILED_DUPLICATE_PERMISSION = -112;
1285
1286    /**
1287     * Installation failed return code: this is passed in the
1288     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the system failed to install the package
1289     * because its packaged native code did not match any of the ABIs supported by the system.
1290     *
1291     * @hide
1292     */
1293    public static final int INSTALL_FAILED_NO_MATCHING_ABIS = -113;
1294
1295    /**
1296     * Internal return code for NativeLibraryHelper methods to indicate that the package
1297     * being processed did not contain any native code. This is placed here only so that
1298     * it can belong to the same value space as the other install failure codes.
1299     *
1300     * @hide
1301     */
1302    public static final int NO_NATIVE_LIBRARIES = -114;
1303
1304    /** {@hide} */
1305    public static final int INSTALL_FAILED_ABORTED = -115;
1306
1307    /**
1308     * Installation failed return code: instant app installs are incompatible with some
1309     * other installation flags supplied for the operation; or other circumstances such
1310     * as trying to upgrade a system app via an instant app install.
1311     * @hide
1312     */
1313    public static final int INSTALL_FAILED_INSTANT_APP_INVALID = -116;
1314
1315    /**
1316     * Installation parse return code: this is passed in the
1317     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the dex metadata file is invalid or
1318     * if there was no matching apk file for a dex metadata file.
1319     *
1320     * @hide
1321     */
1322    public static final int INSTALL_FAILED_BAD_DEX_METADATA = -117;
1323
1324    /** @hide */
1325    @IntDef(flag = true, prefix = { "DELETE_" }, value = {
1326            DELETE_KEEP_DATA,
1327            DELETE_ALL_USERS,
1328            DELETE_SYSTEM_APP,
1329            DELETE_DONT_KILL_APP,
1330            DELETE_CHATTY,
1331    })
1332    @Retention(RetentionPolicy.SOURCE)
1333    public @interface DeleteFlags {}
1334
1335    /**
1336     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
1337     * package's data directory.
1338     *
1339     * @hide
1340     */
1341    public static final int DELETE_KEEP_DATA = 0x00000001;
1342
1343    /**
1344     * Flag parameter for {@link #deletePackage} to indicate that you want the
1345     * package deleted for all users.
1346     *
1347     * @hide
1348     */
1349    public static final int DELETE_ALL_USERS = 0x00000002;
1350
1351    /**
1352     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
1353     * uninstall on a system that has been updated, then don't do the normal process
1354     * of uninstalling the update and rolling back to the older system version (which
1355     * needs to happen for all users); instead, just mark the app as uninstalled for
1356     * the current user.
1357     *
1358     * @hide
1359     */
1360    public static final int DELETE_SYSTEM_APP = 0x00000004;
1361
1362    /**
1363     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
1364     * uninstall on a package that is replaced to provide new feature splits, the
1365     * existing application should not be killed during the removal process.
1366     *
1367     * @hide
1368     */
1369    public static final int DELETE_DONT_KILL_APP = 0x00000008;
1370
1371    /**
1372     * Flag parameter for {@link #deletePackage} to indicate that package deletion
1373     * should be chatty.
1374     *
1375     * @hide
1376     */
1377    public static final int DELETE_CHATTY = 0x80000000;
1378
1379    /**
1380     * Return code for when package deletion succeeds. This is passed to the
1381     * {@link IPackageDeleteObserver} if the system succeeded in deleting the
1382     * package.
1383     *
1384     * @hide
1385     */
1386    public static final int DELETE_SUCCEEDED = 1;
1387
1388    /**
1389     * Deletion failed return code: this is passed to the
1390     * {@link IPackageDeleteObserver} if the system failed to delete the package
1391     * for an unspecified reason.
1392     *
1393     * @hide
1394     */
1395    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
1396
1397    /**
1398     * Deletion failed return code: this is passed to the
1399     * {@link IPackageDeleteObserver} if the system failed to delete the package
1400     * because it is the active DevicePolicy manager.
1401     *
1402     * @hide
1403     */
1404    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
1405
1406    /**
1407     * Deletion failed return code: this is passed to the
1408     * {@link IPackageDeleteObserver} if the system failed to delete the package
1409     * since the user is restricted.
1410     *
1411     * @hide
1412     */
1413    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
1414
1415    /**
1416     * Deletion failed return code: this is passed to the
1417     * {@link IPackageDeleteObserver} if the system failed to delete the package
1418     * because a profile or device owner has marked the package as
1419     * uninstallable.
1420     *
1421     * @hide
1422     */
1423    public static final int DELETE_FAILED_OWNER_BLOCKED = -4;
1424
1425    /** {@hide} */
1426    public static final int DELETE_FAILED_ABORTED = -5;
1427
1428    /**
1429     * Deletion failed return code: this is passed to the
1430     * {@link IPackageDeleteObserver} if the system failed to delete the package
1431     * because the packge is a shared library used by other installed packages.
1432     * {@hide} */
1433    public static final int DELETE_FAILED_USED_SHARED_LIBRARY = -6;
1434
1435    /**
1436     * Return code that is passed to the {@link IPackageMoveObserver} when the
1437     * package has been successfully moved by the system.
1438     *
1439     * @hide
1440     */
1441    public static final int MOVE_SUCCEEDED = -100;
1442
1443    /**
1444     * Error code that is passed to the {@link IPackageMoveObserver} when the
1445     * package hasn't been successfully moved by the system because of
1446     * insufficient memory on specified media.
1447     *
1448     * @hide
1449     */
1450    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
1451
1452    /**
1453     * Error code that is passed to the {@link IPackageMoveObserver} if the
1454     * specified package doesn't exist.
1455     *
1456     * @hide
1457     */
1458    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
1459
1460    /**
1461     * Error code that is passed to the {@link IPackageMoveObserver} if the
1462     * specified package cannot be moved since its a system package.
1463     *
1464     * @hide
1465     */
1466    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
1467
1468    /**
1469     * Error code that is passed to the {@link IPackageMoveObserver} if the
1470     * specified package cannot be moved since its forward locked.
1471     *
1472     * @hide
1473     */
1474    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
1475
1476    /**
1477     * Error code that is passed to the {@link IPackageMoveObserver} if the
1478     * specified package cannot be moved to the specified location.
1479     *
1480     * @hide
1481     */
1482    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
1483
1484    /**
1485     * Error code that is passed to the {@link IPackageMoveObserver} if the
1486     * specified package cannot be moved to the specified location.
1487     *
1488     * @hide
1489     */
1490    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
1491
1492    /**
1493     * Error code that is passed to the {@link IPackageMoveObserver} if the
1494     * specified package already has an operation pending in the queue.
1495     *
1496     * @hide
1497     */
1498    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
1499
1500    /**
1501     * Error code that is passed to the {@link IPackageMoveObserver} if the
1502     * specified package cannot be moved since it contains a device admin.
1503     *
1504     * @hide
1505     */
1506    public static final int MOVE_FAILED_DEVICE_ADMIN = -8;
1507
1508    /**
1509     * Error code that is passed to the {@link IPackageMoveObserver} if system does not allow
1510     * non-system apps to be moved to internal storage.
1511     *
1512     * @hide
1513     */
1514    public static final int MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL = -9;
1515
1516    /** @hide */
1517    public static final int MOVE_FAILED_LOCKED_USER = -10;
1518
1519    /**
1520     * Flag parameter for {@link #movePackage} to indicate that
1521     * the package should be moved to internal storage if its
1522     * been installed on external media.
1523     * @hide
1524     */
1525    @Deprecated
1526    public static final int MOVE_INTERNAL = 0x00000001;
1527
1528    /**
1529     * Flag parameter for {@link #movePackage} to indicate that
1530     * the package should be moved to external media.
1531     * @hide
1532     */
1533    @Deprecated
1534    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
1535
1536    /** {@hide} */
1537    public static final String EXTRA_MOVE_ID = "android.content.pm.extra.MOVE_ID";
1538
1539    /**
1540     * Usable by the required verifier as the {@code verificationCode} argument
1541     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
1542     * allow the installation to proceed without any of the optional verifiers
1543     * needing to vote.
1544     *
1545     * @hide
1546     */
1547    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
1548
1549    /**
1550     * Used as the {@code verificationCode} argument for
1551     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
1552     * package verifier allows the installation to proceed.
1553     */
1554    public static final int VERIFICATION_ALLOW = 1;
1555
1556    /**
1557     * Used as the {@code verificationCode} argument for
1558     * {@link PackageManager#verifyPendingInstall} to indicate the calling
1559     * package verifier does not vote to allow the installation to proceed.
1560     */
1561    public static final int VERIFICATION_REJECT = -1;
1562
1563    /**
1564     * Used as the {@code verificationCode} argument for
1565     * {@link PackageManager#verifyIntentFilter} to indicate that the calling
1566     * IntentFilter Verifier confirms that the IntentFilter is verified.
1567     *
1568     * @hide
1569     */
1570    @SystemApi
1571    public static final int INTENT_FILTER_VERIFICATION_SUCCESS = 1;
1572
1573    /**
1574     * Used as the {@code verificationCode} argument for
1575     * {@link PackageManager#verifyIntentFilter} to indicate that the calling
1576     * IntentFilter Verifier confirms that the IntentFilter is NOT verified.
1577     *
1578     * @hide
1579     */
1580    @SystemApi
1581    public static final int INTENT_FILTER_VERIFICATION_FAILURE = -1;
1582
1583    /**
1584     * Internal status code to indicate that an IntentFilter verification result is not specified.
1585     *
1586     * @hide
1587     */
1588    @SystemApi
1589    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED = 0;
1590
1591    /**
1592     * Used as the {@code status} argument for
1593     * {@link #updateIntentVerificationStatusAsUser} to indicate that the User
1594     * will always be prompted the Intent Disambiguation Dialog if there are two
1595     * or more Intent resolved for the IntentFilter's domain(s).
1596     *
1597     * @hide
1598     */
1599    @SystemApi
1600    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK = 1;
1601
1602    /**
1603     * Used as the {@code status} argument for
1604     * {@link #updateIntentVerificationStatusAsUser} to indicate that the User
1605     * will never be prompted the Intent Disambiguation Dialog if there are two
1606     * or more resolution of the Intent. The default App for the domain(s)
1607     * specified in the IntentFilter will also ALWAYS be used.
1608     *
1609     * @hide
1610     */
1611    @SystemApi
1612    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS = 2;
1613
1614    /**
1615     * Used as the {@code status} argument for
1616     * {@link #updateIntentVerificationStatusAsUser} to indicate that the User
1617     * may be prompted the Intent Disambiguation Dialog if there are two or more
1618     * Intent resolved. The default App for the domain(s) specified in the
1619     * IntentFilter will also NEVER be presented to the User.
1620     *
1621     * @hide
1622     */
1623    @SystemApi
1624    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER = 3;
1625
1626    /**
1627     * Used as the {@code status} argument for
1628     * {@link #updateIntentVerificationStatusAsUser} to indicate that this app
1629     * should always be considered as an ambiguous candidate for handling the
1630     * matching Intent even if there are other candidate apps in the "always"
1631     * state. Put another way: if there are any 'always ask' apps in a set of
1632     * more than one candidate app, then a disambiguation is *always* presented
1633     * even if there is another candidate app with the 'always' state.
1634     *
1635     * @hide
1636     */
1637    @SystemApi
1638    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK = 4;
1639
1640    /**
1641     * Can be used as the {@code millisecondsToDelay} argument for
1642     * {@link PackageManager#extendVerificationTimeout}. This is the
1643     * maximum time {@code PackageManager} waits for the verification
1644     * agent to return (in milliseconds).
1645     */
1646    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
1647
1648    /**
1649     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
1650     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
1651     * lag in sound input or output.
1652     */
1653    @SdkConstant(SdkConstantType.FEATURE)
1654    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
1655
1656    /**
1657     * Feature for {@link #getSystemAvailableFeatures} and
1658     * {@link #hasSystemFeature}: The device includes at least one form of audio
1659     * output, as defined in the Android Compatibility Definition Document (CDD)
1660     * <a href="https://source.android.com/compatibility/android-cdd#7_8_audio">section 7.8 Audio</a>.
1661     */
1662    @SdkConstant(SdkConstantType.FEATURE)
1663    public static final String FEATURE_AUDIO_OUTPUT = "android.hardware.audio.output";
1664
1665    /**
1666     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1667     * The device has professional audio level of functionality and performance.
1668     */
1669    @SdkConstant(SdkConstantType.FEATURE)
1670    public static final String FEATURE_AUDIO_PRO = "android.hardware.audio.pro";
1671
1672    /**
1673     * Feature for {@link #getSystemAvailableFeatures} and
1674     * {@link #hasSystemFeature}: The device is capable of communicating with
1675     * other devices via Bluetooth.
1676     */
1677    @SdkConstant(SdkConstantType.FEATURE)
1678    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
1679
1680    /**
1681     * Feature for {@link #getSystemAvailableFeatures} and
1682     * {@link #hasSystemFeature}: The device is capable of communicating with
1683     * other devices via Bluetooth Low Energy radio.
1684     */
1685    @SdkConstant(SdkConstantType.FEATURE)
1686    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
1687
1688    /**
1689     * Feature for {@link #getSystemAvailableFeatures} and
1690     * {@link #hasSystemFeature}: The device has a camera facing away
1691     * from the screen.
1692     */
1693    @SdkConstant(SdkConstantType.FEATURE)
1694    public static final String FEATURE_CAMERA = "android.hardware.camera";
1695
1696    /**
1697     * Feature for {@link #getSystemAvailableFeatures} and
1698     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
1699     */
1700    @SdkConstant(SdkConstantType.FEATURE)
1701    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
1702
1703    /**
1704     * Feature for {@link #getSystemAvailableFeatures} and
1705     * {@link #hasSystemFeature}: The device has at least one camera pointing in
1706     * some direction, or can support an external camera being connected to it.
1707     */
1708    @SdkConstant(SdkConstantType.FEATURE)
1709    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
1710
1711    /**
1712     * Feature for {@link #getSystemAvailableFeatures} and
1713     * {@link #hasSystemFeature}: The device can support having an external camera connected to it.
1714     * The external camera may not always be connected or available to applications to use.
1715     */
1716    @SdkConstant(SdkConstantType.FEATURE)
1717    public static final String FEATURE_CAMERA_EXTERNAL = "android.hardware.camera.external";
1718
1719    /**
1720     * Feature for {@link #getSystemAvailableFeatures} and
1721     * {@link #hasSystemFeature}: The device's camera supports flash.
1722     */
1723    @SdkConstant(SdkConstantType.FEATURE)
1724    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
1725
1726    /**
1727     * Feature for {@link #getSystemAvailableFeatures} and
1728     * {@link #hasSystemFeature}: The device has a front facing camera.
1729     */
1730    @SdkConstant(SdkConstantType.FEATURE)
1731    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
1732
1733    /**
1734     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1735     * of the cameras on the device supports the
1736     * {@link android.hardware.camera2.CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL full hardware}
1737     * capability level.
1738     */
1739    @SdkConstant(SdkConstantType.FEATURE)
1740    public static final String FEATURE_CAMERA_LEVEL_FULL = "android.hardware.camera.level.full";
1741
1742    /**
1743     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1744     * of the cameras on the device supports the
1745     * {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR manual sensor}
1746     * capability level.
1747     */
1748    @SdkConstant(SdkConstantType.FEATURE)
1749    public static final String FEATURE_CAMERA_CAPABILITY_MANUAL_SENSOR =
1750            "android.hardware.camera.capability.manual_sensor";
1751
1752    /**
1753     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1754     * of the cameras on the device supports the
1755     * {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING manual post-processing}
1756     * capability level.
1757     */
1758    @SdkConstant(SdkConstantType.FEATURE)
1759    public static final String FEATURE_CAMERA_CAPABILITY_MANUAL_POST_PROCESSING =
1760            "android.hardware.camera.capability.manual_post_processing";
1761
1762    /**
1763     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1764     * of the cameras on the device supports the
1765     * {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_RAW RAW}
1766     * capability level.
1767     */
1768    @SdkConstant(SdkConstantType.FEATURE)
1769    public static final String FEATURE_CAMERA_CAPABILITY_RAW =
1770            "android.hardware.camera.capability.raw";
1771
1772    /**
1773     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1774     * of the cameras on the device supports the
1775     * {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING
1776     * MOTION_TRACKING} capability level.
1777     */
1778    @SdkConstant(SdkConstantType.FEATURE)
1779    public static final String FEATURE_CAMERA_AR =
1780            "android.hardware.camera.ar";
1781
1782    /**
1783     * Feature for {@link #getSystemAvailableFeatures} and
1784     * {@link #hasSystemFeature}: The device is capable of communicating with
1785     * consumer IR devices.
1786     */
1787    @SdkConstant(SdkConstantType.FEATURE)
1788    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
1789
1790    /** {@hide} */
1791    @SdkConstant(SdkConstantType.FEATURE)
1792    public static final String FEATURE_CTS = "android.software.cts";
1793
1794    /**
1795     * Feature for {@link #getSystemAvailableFeatures} and
1796     * {@link #hasSystemFeature}: The device supports one or more methods of
1797     * reporting current location.
1798     */
1799    @SdkConstant(SdkConstantType.FEATURE)
1800    public static final String FEATURE_LOCATION = "android.hardware.location";
1801
1802    /**
1803     * Feature for {@link #getSystemAvailableFeatures} and
1804     * {@link #hasSystemFeature}: The device has a Global Positioning System
1805     * receiver and can report precise location.
1806     */
1807    @SdkConstant(SdkConstantType.FEATURE)
1808    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
1809
1810    /**
1811     * Feature for {@link #getSystemAvailableFeatures} and
1812     * {@link #hasSystemFeature}: The device can report location with coarse
1813     * accuracy using a network-based geolocation system.
1814     */
1815    @SdkConstant(SdkConstantType.FEATURE)
1816    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
1817
1818    /**
1819     * Feature for {@link #getSystemAvailableFeatures} and
1820     * {@link #hasSystemFeature}: The device's
1821     * {@link ActivityManager#isLowRamDevice() ActivityManager.isLowRamDevice()} method returns
1822     * true.
1823     */
1824    @SdkConstant(SdkConstantType.FEATURE)
1825    public static final String FEATURE_RAM_LOW = "android.hardware.ram.low";
1826
1827    /**
1828     * Feature for {@link #getSystemAvailableFeatures} and
1829     * {@link #hasSystemFeature}: The device's
1830     * {@link ActivityManager#isLowRamDevice() ActivityManager.isLowRamDevice()} method returns
1831     * false.
1832     */
1833    @SdkConstant(SdkConstantType.FEATURE)
1834    public static final String FEATURE_RAM_NORMAL = "android.hardware.ram.normal";
1835
1836    /**
1837     * Feature for {@link #getSystemAvailableFeatures} and
1838     * {@link #hasSystemFeature}: The device can record audio via a
1839     * microphone.
1840     */
1841    @SdkConstant(SdkConstantType.FEATURE)
1842    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
1843
1844    /**
1845     * Feature for {@link #getSystemAvailableFeatures} and
1846     * {@link #hasSystemFeature}: The device can communicate using Near-Field
1847     * Communications (NFC).
1848     */
1849    @SdkConstant(SdkConstantType.FEATURE)
1850    public static final String FEATURE_NFC = "android.hardware.nfc";
1851
1852    /**
1853     * Feature for {@link #getSystemAvailableFeatures} and
1854     * {@link #hasSystemFeature}: The device supports host-
1855     * based NFC card emulation.
1856     *
1857     * TODO remove when depending apps have moved to new constant.
1858     * @hide
1859     * @deprecated
1860     */
1861    @Deprecated
1862    @SdkConstant(SdkConstantType.FEATURE)
1863    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
1864
1865    /**
1866     * Feature for {@link #getSystemAvailableFeatures} and
1867     * {@link #hasSystemFeature}: The device supports host-
1868     * based NFC card emulation.
1869     */
1870    @SdkConstant(SdkConstantType.FEATURE)
1871    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1872
1873    /**
1874     * Feature for {@link #getSystemAvailableFeatures} and
1875     * {@link #hasSystemFeature}: The device supports host-
1876     * based NFC-F card emulation.
1877     */
1878    @SdkConstant(SdkConstantType.FEATURE)
1879    public static final String FEATURE_NFC_HOST_CARD_EMULATION_NFCF = "android.hardware.nfc.hcef";
1880
1881    /**
1882     * Feature for {@link #getSystemAvailableFeatures} and
1883     * {@link #hasSystemFeature}: The device supports any
1884     * one of the {@link #FEATURE_NFC}, {@link #FEATURE_NFC_HOST_CARD_EMULATION},
1885     * or {@link #FEATURE_NFC_HOST_CARD_EMULATION_NFCF} features.
1886     *
1887     * @hide
1888     */
1889    @SdkConstant(SdkConstantType.FEATURE)
1890    public static final String FEATURE_NFC_ANY = "android.hardware.nfc.any";
1891
1892    /**
1893     * Feature for {@link #getSystemAvailableFeatures} and
1894     * {@link #hasSystemFeature}: The device supports the OpenGL ES
1895     * <a href="http://www.khronos.org/registry/gles/extensions/ANDROID/ANDROID_extension_pack_es31a.txt">
1896     * Android Extension Pack</a>.
1897     */
1898    @SdkConstant(SdkConstantType.FEATURE)
1899    public static final String FEATURE_OPENGLES_EXTENSION_PACK = "android.hardware.opengles.aep";
1900
1901    /**
1902     * Feature for {@link #getSystemAvailableFeatures} and
1903     * {@link #hasSystemFeature(String, int)}: If this feature is supported, the Vulkan native API
1904     * will enumerate at least one {@code VkPhysicalDevice}, and the feature version will indicate
1905     * what level of optional hardware features limits it supports.
1906     * <p>
1907     * Level 0 includes the base Vulkan requirements as well as:
1908     * <ul><li>{@code VkPhysicalDeviceFeatures::textureCompressionETC2}</li></ul>
1909     * <p>
1910     * Level 1 additionally includes:
1911     * <ul>
1912     * <li>{@code VkPhysicalDeviceFeatures::fullDrawIndexUint32}</li>
1913     * <li>{@code VkPhysicalDeviceFeatures::imageCubeArray}</li>
1914     * <li>{@code VkPhysicalDeviceFeatures::independentBlend}</li>
1915     * <li>{@code VkPhysicalDeviceFeatures::geometryShader}</li>
1916     * <li>{@code VkPhysicalDeviceFeatures::tessellationShader}</li>
1917     * <li>{@code VkPhysicalDeviceFeatures::sampleRateShading}</li>
1918     * <li>{@code VkPhysicalDeviceFeatures::textureCompressionASTC_LDR}</li>
1919     * <li>{@code VkPhysicalDeviceFeatures::fragmentStoresAndAtomics}</li>
1920     * <li>{@code VkPhysicalDeviceFeatures::shaderImageGatherExtended}</li>
1921     * <li>{@code VkPhysicalDeviceFeatures::shaderUniformBufferArrayDynamicIndexing}</li>
1922     * <li>{@code VkPhysicalDeviceFeatures::shaderSampledImageArrayDynamicIndexing}</li>
1923     * </ul>
1924     */
1925    @SdkConstant(SdkConstantType.FEATURE)
1926    public static final String FEATURE_VULKAN_HARDWARE_LEVEL = "android.hardware.vulkan.level";
1927
1928    /**
1929     * Feature for {@link #getSystemAvailableFeatures} and
1930     * {@link #hasSystemFeature(String, int)}: If this feature is supported, the Vulkan native API
1931     * will enumerate at least one {@code VkPhysicalDevice}, and the feature version will indicate
1932     * what level of optional compute features that device supports beyond the Vulkan 1.0
1933     * requirements.
1934     * <p>
1935     * Compute level 0 indicates:
1936     * <ul>
1937     * <li>The {@code VK_KHR_variable_pointers} extension and
1938     *     {@code VkPhysicalDeviceVariablePointerFeaturesKHR::variablePointers} feature are
1939           supported.</li>
1940     * <li>{@code VkPhysicalDeviceLimits::maxPerStageDescriptorStorageBuffers} is at least 16.</li>
1941     * </ul>
1942     */
1943    @SdkConstant(SdkConstantType.FEATURE)
1944    public static final String FEATURE_VULKAN_HARDWARE_COMPUTE = "android.hardware.vulkan.compute";
1945
1946    /**
1947     * Feature for {@link #getSystemAvailableFeatures} and
1948     * {@link #hasSystemFeature(String, int)}: The version of this feature indicates the highest
1949     * {@code VkPhysicalDeviceProperties::apiVersion} supported by the physical devices that support
1950     * the hardware level indicated by {@link #FEATURE_VULKAN_HARDWARE_LEVEL}. The feature version
1951     * uses the same encoding as Vulkan version numbers:
1952     * <ul>
1953     * <li>Major version number in bits 31-22</li>
1954     * <li>Minor version number in bits 21-12</li>
1955     * <li>Patch version number in bits 11-0</li>
1956     * </ul>
1957     * A version of 1.1.0 or higher also indicates:
1958     * <ul>
1959     * <li>The {@code VK_ANDROID_external_memory_android_hardware_buffer} extension is
1960     *     supported.</li>
1961     * <li>{@code SYNC_FD} external semaphore and fence handles are supported.</li>
1962     * <li>{@code VkPhysicalDeviceSamplerYcbcrConversionFeatures::samplerYcbcrConversion} is
1963     *     supported.</li>
1964     * </ul>
1965     */
1966    @SdkConstant(SdkConstantType.FEATURE)
1967    public static final String FEATURE_VULKAN_HARDWARE_VERSION = "android.hardware.vulkan.version";
1968
1969    /**
1970     * Feature for {@link #getSystemAvailableFeatures} and
1971     * {@link #hasSystemFeature}: The device includes broadcast radio tuner.
1972     * @hide
1973     */
1974    @SystemApi
1975    @SdkConstant(SdkConstantType.FEATURE)
1976    public static final String FEATURE_BROADCAST_RADIO = "android.hardware.broadcastradio";
1977
1978    /**
1979     * Feature for {@link #getSystemAvailableFeatures} and
1980     * {@link #hasSystemFeature}: The device includes an accelerometer.
1981     */
1982    @SdkConstant(SdkConstantType.FEATURE)
1983    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1984
1985    /**
1986     * Feature for {@link #getSystemAvailableFeatures} and
1987     * {@link #hasSystemFeature}: The device includes a barometer (air
1988     * pressure sensor.)
1989     */
1990    @SdkConstant(SdkConstantType.FEATURE)
1991    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1992
1993    /**
1994     * Feature for {@link #getSystemAvailableFeatures} and
1995     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1996     */
1997    @SdkConstant(SdkConstantType.FEATURE)
1998    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1999
2000    /**
2001     * Feature for {@link #getSystemAvailableFeatures} and
2002     * {@link #hasSystemFeature}: The device includes a gyroscope.
2003     */
2004    @SdkConstant(SdkConstantType.FEATURE)
2005    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
2006
2007    /**
2008     * Feature for {@link #getSystemAvailableFeatures} and
2009     * {@link #hasSystemFeature}: The device includes a light sensor.
2010     */
2011    @SdkConstant(SdkConstantType.FEATURE)
2012    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
2013
2014    /**
2015     * Feature for {@link #getSystemAvailableFeatures} and
2016     * {@link #hasSystemFeature}: The device includes a proximity sensor.
2017     */
2018    @SdkConstant(SdkConstantType.FEATURE)
2019    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
2020
2021    /**
2022     * Feature for {@link #getSystemAvailableFeatures} and
2023     * {@link #hasSystemFeature}: The device includes a hardware step counter.
2024     */
2025    @SdkConstant(SdkConstantType.FEATURE)
2026    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
2027
2028    /**
2029     * Feature for {@link #getSystemAvailableFeatures} and
2030     * {@link #hasSystemFeature}: The device includes a hardware step detector.
2031     */
2032    @SdkConstant(SdkConstantType.FEATURE)
2033    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
2034
2035    /**
2036     * Feature for {@link #getSystemAvailableFeatures} and
2037     * {@link #hasSystemFeature}: The device includes a heart rate monitor.
2038     */
2039    @SdkConstant(SdkConstantType.FEATURE)
2040    public static final String FEATURE_SENSOR_HEART_RATE = "android.hardware.sensor.heartrate";
2041
2042    /**
2043     * Feature for {@link #getSystemAvailableFeatures} and
2044     * {@link #hasSystemFeature}: The heart rate sensor on this device is an Electrocardiogram.
2045     */
2046    @SdkConstant(SdkConstantType.FEATURE)
2047    public static final String FEATURE_SENSOR_HEART_RATE_ECG =
2048            "android.hardware.sensor.heartrate.ecg";
2049
2050    /**
2051     * Feature for {@link #getSystemAvailableFeatures} and
2052     * {@link #hasSystemFeature}: The device includes a relative humidity sensor.
2053     */
2054    @SdkConstant(SdkConstantType.FEATURE)
2055    public static final String FEATURE_SENSOR_RELATIVE_HUMIDITY =
2056            "android.hardware.sensor.relative_humidity";
2057
2058    /**
2059     * Feature for {@link #getSystemAvailableFeatures} and
2060     * {@link #hasSystemFeature}: The device includes an ambient temperature sensor.
2061     */
2062    @SdkConstant(SdkConstantType.FEATURE)
2063    public static final String FEATURE_SENSOR_AMBIENT_TEMPERATURE =
2064            "android.hardware.sensor.ambient_temperature";
2065
2066    /**
2067     * Feature for {@link #getSystemAvailableFeatures} and
2068     * {@link #hasSystemFeature}: The device supports high fidelity sensor processing
2069     * capabilities.
2070     */
2071    @SdkConstant(SdkConstantType.FEATURE)
2072    public static final String FEATURE_HIFI_SENSORS =
2073            "android.hardware.sensor.hifi_sensors";
2074
2075    /**
2076     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2077     * The device supports a hardware mechanism for invoking an assist gesture.
2078     * @see android.provider.Settings.Secure#ASSIST_GESTURE_ENABLED
2079     * @hide
2080     */
2081    @SdkConstant(SdkConstantType.FEATURE)
2082    public static final String FEATURE_ASSIST_GESTURE = "android.hardware.sensor.assist";
2083
2084    /**
2085     * Feature for {@link #getSystemAvailableFeatures} and
2086     * {@link #hasSystemFeature}: The device has a telephony radio with data
2087     * communication support.
2088     */
2089    @SdkConstant(SdkConstantType.FEATURE)
2090    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
2091
2092    /**
2093     * Feature for {@link #getSystemAvailableFeatures} and
2094     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
2095     */
2096    @SdkConstant(SdkConstantType.FEATURE)
2097    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
2098
2099    /**
2100     * Feature for {@link #getSystemAvailableFeatures} and
2101     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
2102     */
2103    @SdkConstant(SdkConstantType.FEATURE)
2104    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
2105
2106    /**
2107     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2108     * The device supports telephony carrier restriction mechanism.
2109     *
2110     * <p>Devices declaring this feature must have an implementation of the
2111     * {@link android.telephony.TelephonyManager#getAllowedCarriers} and
2112     * {@link android.telephony.TelephonyManager#setAllowedCarriers}.
2113     * @hide
2114     */
2115    @SystemApi
2116    @SdkConstant(SdkConstantType.FEATURE)
2117    public static final String FEATURE_TELEPHONY_CARRIERLOCK =
2118            "android.hardware.telephony.carrierlock";
2119
2120    /**
2121     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device
2122     * supports embedded subscriptions on eUICCs.
2123     */
2124    @SdkConstant(SdkConstantType.FEATURE)
2125    public static final String FEATURE_TELEPHONY_EUICC = "android.hardware.telephony.euicc";
2126
2127    /**
2128     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device
2129     * supports cell-broadcast reception using the MBMS APIs.
2130     */
2131    @SdkConstant(SdkConstantType.FEATURE)
2132    public static final String FEATURE_TELEPHONY_MBMS = "android.hardware.telephony.mbms";
2133
2134    /**
2135     * Feature for {@link #getSystemAvailableFeatures} and
2136     * {@link #hasSystemFeature}: The device supports connecting to USB devices
2137     * as the USB host.
2138     */
2139    @SdkConstant(SdkConstantType.FEATURE)
2140    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
2141
2142    /**
2143     * Feature for {@link #getSystemAvailableFeatures} and
2144     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
2145     */
2146    @SdkConstant(SdkConstantType.FEATURE)
2147    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
2148
2149    /**
2150     * Feature for {@link #getSystemAvailableFeatures} and
2151     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
2152     */
2153    @SdkConstant(SdkConstantType.FEATURE)
2154    public static final String FEATURE_SIP = "android.software.sip";
2155
2156    /**
2157     * Feature for {@link #getSystemAvailableFeatures} and
2158     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
2159     */
2160    @SdkConstant(SdkConstantType.FEATURE)
2161    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
2162
2163    /**
2164     * Feature for {@link #getSystemAvailableFeatures} and
2165     * {@link #hasSystemFeature}: The Connection Service API is enabled on the device.
2166     */
2167    @SdkConstant(SdkConstantType.FEATURE)
2168    public static final String FEATURE_CONNECTION_SERVICE = "android.software.connectionservice";
2169
2170    /**
2171     * Feature for {@link #getSystemAvailableFeatures} and
2172     * {@link #hasSystemFeature}: The device's display has a touch screen.
2173     */
2174    @SdkConstant(SdkConstantType.FEATURE)
2175    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
2176
2177    /**
2178     * Feature for {@link #getSystemAvailableFeatures} and
2179     * {@link #hasSystemFeature}: The device's touch screen supports
2180     * multitouch sufficient for basic two-finger gesture detection.
2181     */
2182    @SdkConstant(SdkConstantType.FEATURE)
2183    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
2184
2185    /**
2186     * Feature for {@link #getSystemAvailableFeatures} and
2187     * {@link #hasSystemFeature}: The device's touch screen is capable of
2188     * tracking two or more fingers fully independently.
2189     */
2190    @SdkConstant(SdkConstantType.FEATURE)
2191    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
2192
2193    /**
2194     * Feature for {@link #getSystemAvailableFeatures} and
2195     * {@link #hasSystemFeature}: The device's touch screen is capable of
2196     * tracking a full hand of fingers fully independently -- that is, 5 or
2197     * more simultaneous independent pointers.
2198     */
2199    @SdkConstant(SdkConstantType.FEATURE)
2200    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
2201
2202    /**
2203     * Feature for {@link #getSystemAvailableFeatures} and
2204     * {@link #hasSystemFeature}: The device does not have a touch screen, but
2205     * does support touch emulation for basic events. For instance, the
2206     * device might use a mouse or remote control to drive a cursor, and
2207     * emulate basic touch pointer events like down, up, drag, etc. All
2208     * devices that support android.hardware.touchscreen or a sub-feature are
2209     * presumed to also support faketouch.
2210     */
2211    @SdkConstant(SdkConstantType.FEATURE)
2212    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
2213
2214    /**
2215     * Feature for {@link #getSystemAvailableFeatures} and
2216     * {@link #hasSystemFeature}: The device does not have a touch screen, but
2217     * does support touch emulation for basic events that supports distinct
2218     * tracking of two or more fingers.  This is an extension of
2219     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
2220     * that unlike a distinct multitouch screen as defined by
2221     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
2222     * devices will not actually provide full two-finger gestures since the
2223     * input is being transformed to cursor movement on the screen.  That is,
2224     * single finger gestures will move a cursor; two-finger swipes will
2225     * result in single-finger touch events; other two-finger gestures will
2226     * result in the corresponding two-finger touch event.
2227     */
2228    @SdkConstant(SdkConstantType.FEATURE)
2229    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
2230
2231    /**
2232     * Feature for {@link #getSystemAvailableFeatures} and
2233     * {@link #hasSystemFeature}: The device does not have a touch screen, but
2234     * does support touch emulation for basic events that supports tracking
2235     * a hand of fingers (5 or more fingers) fully independently.
2236     * This is an extension of
2237     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
2238     * that unlike a multitouch screen as defined by
2239     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
2240     * gestures can be detected due to the limitations described for
2241     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
2242     */
2243    @SdkConstant(SdkConstantType.FEATURE)
2244    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
2245
2246    /**
2247     * Feature for {@link #getSystemAvailableFeatures} and
2248     * {@link #hasSystemFeature}: The device has biometric hardware to detect a fingerprint.
2249      */
2250    @SdkConstant(SdkConstantType.FEATURE)
2251    public static final String FEATURE_FINGERPRINT = "android.hardware.fingerprint";
2252
2253    /**
2254     * Feature for {@link #getSystemAvailableFeatures} and
2255     * {@link #hasSystemFeature}: The device supports portrait orientation
2256     * screens.  For backwards compatibility, you can assume that if neither
2257     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
2258     * both portrait and landscape.
2259     */
2260    @SdkConstant(SdkConstantType.FEATURE)
2261    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
2262
2263    /**
2264     * Feature for {@link #getSystemAvailableFeatures} and
2265     * {@link #hasSystemFeature}: The device supports landscape orientation
2266     * screens.  For backwards compatibility, you can assume that if neither
2267     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
2268     * both portrait and landscape.
2269     */
2270    @SdkConstant(SdkConstantType.FEATURE)
2271    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
2272
2273    /**
2274     * Feature for {@link #getSystemAvailableFeatures} and
2275     * {@link #hasSystemFeature}: The device supports live wallpapers.
2276     */
2277    @SdkConstant(SdkConstantType.FEATURE)
2278    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
2279    /**
2280     * Feature for {@link #getSystemAvailableFeatures} and
2281     * {@link #hasSystemFeature}: The device supports app widgets.
2282     */
2283    @SdkConstant(SdkConstantType.FEATURE)
2284    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
2285    /**
2286     * Feature for {@link #getSystemAvailableFeatures} and
2287     * {@link #hasSystemFeature}: The device supports the
2288     * {@link android.R.attr#cantSaveState} API.
2289     */
2290    @SdkConstant(SdkConstantType.FEATURE)
2291    public static final String FEATURE_CANT_SAVE_STATE = "android.software.cant_save_state";
2292
2293    /**
2294     * @hide
2295     * Feature for {@link #getSystemAvailableFeatures} and
2296     * {@link #hasSystemFeature}: The device supports
2297     * {@link android.service.voice.VoiceInteractionService} and
2298     * {@link android.app.VoiceInteractor}.
2299     */
2300    @SdkConstant(SdkConstantType.FEATURE)
2301    public static final String FEATURE_VOICE_RECOGNIZERS = "android.software.voice_recognizers";
2302
2303
2304    /**
2305     * Feature for {@link #getSystemAvailableFeatures} and
2306     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
2307     * by third party applications.
2308     */
2309    @SdkConstant(SdkConstantType.FEATURE)
2310    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
2311
2312    /**
2313     * Feature for {@link #getSystemAvailableFeatures} and
2314     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
2315     * with the {@link android.inputmethodservice.InputMethodService} API.
2316     */
2317    @SdkConstant(SdkConstantType.FEATURE)
2318    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
2319
2320    /**
2321     * Feature for {@link #getSystemAvailableFeatures} and
2322     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
2323     */
2324    @SdkConstant(SdkConstantType.FEATURE)
2325    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
2326
2327    /**
2328     * Feature for {@link #getSystemAvailableFeatures} and
2329     * {@link #hasSystemFeature}: The device supports leanback UI. This is
2330     * typically used in a living room television experience, but is a software
2331     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
2332     * feature will use resources associated with the "television" UI mode.
2333     */
2334    @SdkConstant(SdkConstantType.FEATURE)
2335    public static final String FEATURE_LEANBACK = "android.software.leanback";
2336
2337    /**
2338     * Feature for {@link #getSystemAvailableFeatures} and
2339     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
2340     * applications designed for this experience should be run, though this is
2341     * not enforced by the system.
2342     */
2343    @SdkConstant(SdkConstantType.FEATURE)
2344    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
2345
2346    /**
2347     * Feature for {@link #getSystemAvailableFeatures} and
2348     * {@link #hasSystemFeature}: The device supports live TV and can display
2349     * contents from TV inputs implemented with the
2350     * {@link android.media.tv.TvInputService} API.
2351     */
2352    @SdkConstant(SdkConstantType.FEATURE)
2353    public static final String FEATURE_LIVE_TV = "android.software.live_tv";
2354
2355    /**
2356     * Feature for {@link #getSystemAvailableFeatures} and
2357     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
2358     */
2359    @SdkConstant(SdkConstantType.FEATURE)
2360    public static final String FEATURE_WIFI = "android.hardware.wifi";
2361
2362    /**
2363     * Feature for {@link #getSystemAvailableFeatures} and
2364     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
2365     */
2366    @SdkConstant(SdkConstantType.FEATURE)
2367    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
2368
2369    /**
2370     * Feature for {@link #getSystemAvailableFeatures} and
2371     * {@link #hasSystemFeature}: The device supports Wi-Fi Aware.
2372     */
2373    @SdkConstant(SdkConstantType.FEATURE)
2374    public static final String FEATURE_WIFI_AWARE = "android.hardware.wifi.aware";
2375
2376    /**
2377     * Feature for {@link #getSystemAvailableFeatures} and
2378     * {@link #hasSystemFeature}: The device supports Wi-Fi Passpoint and all
2379     * Passpoint related APIs in {@link WifiManager} are supported. Refer to
2380     * {@link WifiManager#addOrUpdatePasspointConfiguration} for more info.
2381     */
2382    @SdkConstant(SdkConstantType.FEATURE)
2383    public static final String FEATURE_WIFI_PASSPOINT = "android.hardware.wifi.passpoint";
2384
2385    /**
2386     * Feature for {@link #getSystemAvailableFeatures} and
2387     * {@link #hasSystemFeature}: The device supports Wi-Fi RTT (IEEE 802.11mc).
2388     */
2389    @SdkConstant(SdkConstantType.FEATURE)
2390    public static final String FEATURE_WIFI_RTT = "android.hardware.wifi.rtt";
2391
2392
2393    /**
2394     * Feature for {@link #getSystemAvailableFeatures} and
2395     * {@link #hasSystemFeature}: The device supports LoWPAN networking.
2396     * @hide
2397     */
2398    @SdkConstant(SdkConstantType.FEATURE)
2399    public static final String FEATURE_LOWPAN = "android.hardware.lowpan";
2400
2401    /**
2402     * Feature for {@link #getSystemAvailableFeatures} and
2403     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
2404     * on a vehicle headunit. A headunit here is defined to be inside a
2405     * vehicle that may or may not be moving. A headunit uses either a
2406     * primary display in the center console and/or additional displays in
2407     * the instrument cluster or elsewhere in the vehicle. Headunit display(s)
2408     * have limited size and resolution. The user will likely be focused on
2409     * driving so limiting driver distraction is a primary concern. User input
2410     * can be a variety of hard buttons, touch, rotary controllers and even mouse-
2411     * like interfaces.
2412     */
2413    @SdkConstant(SdkConstantType.FEATURE)
2414    public static final String FEATURE_AUTOMOTIVE = "android.hardware.type.automotive";
2415
2416    /**
2417     * Feature for {@link #getSystemAvailableFeatures} and
2418     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
2419     * on a television.  Television here is defined to be a typical living
2420     * room television experience: displayed on a big screen, where the user
2421     * is sitting far away from it, and the dominant form of input will be
2422     * something like a DPAD, not through touch or mouse.
2423     * @deprecated use {@link #FEATURE_LEANBACK} instead.
2424     */
2425    @Deprecated
2426    @SdkConstant(SdkConstantType.FEATURE)
2427    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
2428
2429    /**
2430     * Feature for {@link #getSystemAvailableFeatures} and
2431     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
2432     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
2433     * the wrist. The user is very close when interacting with the device.
2434     */
2435    @SdkConstant(SdkConstantType.FEATURE)
2436    public static final String FEATURE_WATCH = "android.hardware.type.watch";
2437
2438    /**
2439     * Feature for {@link #getSystemAvailableFeatures} and
2440     * {@link #hasSystemFeature}: This is a device for IoT and may not have an UI. An embedded
2441     * device is defined as a full stack Android device with or without a display and no
2442     * user-installable apps.
2443     */
2444    @SdkConstant(SdkConstantType.FEATURE)
2445    public static final String FEATURE_EMBEDDED = "android.hardware.type.embedded";
2446
2447    /**
2448     * Feature for {@link #getSystemAvailableFeatures} and
2449     * {@link #hasSystemFeature}: This is a device dedicated to be primarily used
2450     * with keyboard, mouse or touchpad. This includes traditional desktop
2451     * computers, laptops and variants such as convertibles or detachables.
2452     * Due to the larger screen, the device will most likely use the
2453     * {@link #FEATURE_FREEFORM_WINDOW_MANAGEMENT} feature as well.
2454     */
2455    @SdkConstant(SdkConstantType.FEATURE)
2456    public static final String FEATURE_PC = "android.hardware.type.pc";
2457
2458    /**
2459     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2460     * The device supports printing.
2461     */
2462    @SdkConstant(SdkConstantType.FEATURE)
2463    public static final String FEATURE_PRINTING = "android.software.print";
2464
2465    /**
2466     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2467     * The device supports {@link android.companion.CompanionDeviceManager#associate associating}
2468     * with devices via {@link android.companion.CompanionDeviceManager}.
2469     */
2470    @SdkConstant(SdkConstantType.FEATURE)
2471    public static final String FEATURE_COMPANION_DEVICE_SETUP
2472            = "android.software.companion_device_setup";
2473
2474    /**
2475     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2476     * The device can perform backup and restore operations on installed applications.
2477     */
2478    @SdkConstant(SdkConstantType.FEATURE)
2479    public static final String FEATURE_BACKUP = "android.software.backup";
2480
2481    /**
2482     * Feature for {@link #getSystemAvailableFeatures} and
2483     * {@link #hasSystemFeature}: The device supports freeform window management.
2484     * Windows have title bars and can be moved and resized.
2485     */
2486    // If this feature is present, you also need to set
2487    // com.android.internal.R.config_freeformWindowManagement to true in your configuration overlay.
2488    @SdkConstant(SdkConstantType.FEATURE)
2489    public static final String FEATURE_FREEFORM_WINDOW_MANAGEMENT
2490            = "android.software.freeform_window_management";
2491
2492    /**
2493     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2494     * The device supports picture-in-picture multi-window mode.
2495     */
2496    @SdkConstant(SdkConstantType.FEATURE)
2497    public static final String FEATURE_PICTURE_IN_PICTURE = "android.software.picture_in_picture";
2498
2499    /**
2500     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2501     * The device supports running activities on secondary displays.
2502     */
2503    @SdkConstant(SdkConstantType.FEATURE)
2504    public static final String FEATURE_ACTIVITIES_ON_SECONDARY_DISPLAYS
2505            = "android.software.activities_on_secondary_displays";
2506
2507    /**
2508     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2509     * The device supports creating secondary users and managed profiles via
2510     * {@link DevicePolicyManager}.
2511     */
2512    @SdkConstant(SdkConstantType.FEATURE)
2513    public static final String FEATURE_MANAGED_USERS = "android.software.managed_users";
2514
2515    /**
2516     * @hide
2517     * TODO: Remove after dependencies updated b/17392243
2518     */
2519    public static final String FEATURE_MANAGED_PROFILES = "android.software.managed_users";
2520
2521    /**
2522     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2523     * The device supports verified boot.
2524     */
2525    @SdkConstant(SdkConstantType.FEATURE)
2526    public static final String FEATURE_VERIFIED_BOOT = "android.software.verified_boot";
2527
2528    /**
2529     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2530     * The device supports secure removal of users. When a user is deleted the data associated
2531     * with that user is securely deleted and no longer available.
2532     */
2533    @SdkConstant(SdkConstantType.FEATURE)
2534    public static final String FEATURE_SECURELY_REMOVES_USERS
2535            = "android.software.securely_removes_users";
2536
2537    /** {@hide} */
2538    @TestApi
2539    @SdkConstant(SdkConstantType.FEATURE)
2540    public static final String FEATURE_FILE_BASED_ENCRYPTION
2541            = "android.software.file_based_encryption";
2542
2543    /** {@hide} */
2544    @TestApi
2545    @SdkConstant(SdkConstantType.FEATURE)
2546    public static final String FEATURE_ADOPTABLE_STORAGE
2547            = "android.software.adoptable_storage";
2548
2549    /**
2550     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2551     * The device has a full implementation of the android.webkit.* APIs. Devices
2552     * lacking this feature will not have a functioning WebView implementation.
2553     */
2554    @SdkConstant(SdkConstantType.FEATURE)
2555    public static final String FEATURE_WEBVIEW = "android.software.webview";
2556
2557    /**
2558     * Feature for {@link #getSystemAvailableFeatures} and
2559     * {@link #hasSystemFeature}: This device supports ethernet.
2560     */
2561    @SdkConstant(SdkConstantType.FEATURE)
2562    public static final String FEATURE_ETHERNET = "android.hardware.ethernet";
2563
2564    /**
2565     * Feature for {@link #getSystemAvailableFeatures} and
2566     * {@link #hasSystemFeature}: This device supports HDMI-CEC.
2567     * @hide
2568     */
2569    @SdkConstant(SdkConstantType.FEATURE)
2570    public static final String FEATURE_HDMI_CEC = "android.hardware.hdmi.cec";
2571
2572    /**
2573     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2574     * The device has all of the inputs necessary to be considered a compatible game controller, or
2575     * includes a compatible game controller in the box.
2576     */
2577    @SdkConstant(SdkConstantType.FEATURE)
2578    public static final String FEATURE_GAMEPAD = "android.hardware.gamepad";
2579
2580    /**
2581     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2582     * The device has a full implementation of the android.media.midi.* APIs.
2583     */
2584    @SdkConstant(SdkConstantType.FEATURE)
2585    public static final String FEATURE_MIDI = "android.software.midi";
2586
2587    /**
2588     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2589     * The device implements an optimized mode for virtual reality (VR) applications that handles
2590     * stereoscopic rendering of notifications, and disables most monocular system UI components
2591     * while a VR application has user focus.
2592     * Devices declaring this feature must include an application implementing a
2593     * {@link android.service.vr.VrListenerService} that can be targeted by VR applications via
2594     * {@link android.app.Activity#setVrModeEnabled}.
2595     * @deprecated use {@link #FEATURE_VR_MODE_HIGH_PERFORMANCE} instead.
2596     */
2597    @Deprecated
2598    @SdkConstant(SdkConstantType.FEATURE)
2599    public static final String FEATURE_VR_MODE = "android.software.vr.mode";
2600
2601    /**
2602     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2603     * The device implements an optimized mode for virtual reality (VR) applications that handles
2604     * stereoscopic rendering of notifications, disables most monocular system UI components
2605     * while a VR application has user focus and meets extra CDD requirements to provide a
2606     * high-quality VR experience.
2607     * Devices declaring this feature must include an application implementing a
2608     * {@link android.service.vr.VrListenerService} that can be targeted by VR applications via
2609     * {@link android.app.Activity#setVrModeEnabled}.
2610     * and must meet CDD requirements to provide a high-quality VR experience.
2611     */
2612    @SdkConstant(SdkConstantType.FEATURE)
2613    public static final String FEATURE_VR_MODE_HIGH_PERFORMANCE
2614            = "android.hardware.vr.high_performance";
2615
2616    /**
2617     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2618     * The device supports autofill of user credentials, addresses, credit cards, etc
2619     * via integration with {@link android.service.autofill.AutofillService autofill
2620     * providers}.
2621     */
2622    @SdkConstant(SdkConstantType.FEATURE)
2623    public static final String FEATURE_AUTOFILL = "android.software.autofill";
2624
2625    /**
2626     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2627     * The device implements headtracking suitable for a VR device.
2628     */
2629    @SdkConstant(SdkConstantType.FEATURE)
2630    public static final String FEATURE_VR_HEADTRACKING = "android.hardware.vr.headtracking";
2631
2632    /**
2633     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2634     * The device has a StrongBox hardware-backed Keystore.
2635     */
2636    @SdkConstant(SdkConstantType.FEATURE)
2637    public static final String FEATURE_STRONGBOX_KEYSTORE =
2638            "android.hardware.strongbox_keystore";
2639
2640    /**
2641     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2642     * The device has a Keymaster implementation that supports Device ID attestation.
2643     *
2644     * @see DevicePolicyManager#isDeviceIdAttestationSupported
2645     * @hide
2646     */
2647    @SdkConstant(SdkConstantType.FEATURE)
2648    public static final String FEATURE_DEVICE_ID_ATTESTATION =
2649            "android.software.device_id_attestation";
2650
2651    /**
2652     * Action to external storage service to clean out removed apps.
2653     * @hide
2654     */
2655    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
2656            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
2657
2658    /**
2659     * Extra field name for the URI to a verification file. Passed to a package
2660     * verifier.
2661     *
2662     * @hide
2663     */
2664    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
2665
2666    /**
2667     * Extra field name for the ID of a package pending verification. Passed to
2668     * a package verifier and is used to call back to
2669     * {@link PackageManager#verifyPendingInstall(int, int)}
2670     */
2671    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
2672
2673    /**
2674     * Extra field name for the package identifier which is trying to install
2675     * the package.
2676     *
2677     * @hide
2678     */
2679    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
2680            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
2681
2682    /**
2683     * Extra field name for the requested install flags for a package pending
2684     * verification. Passed to a package verifier.
2685     *
2686     * @hide
2687     */
2688    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
2689            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
2690
2691    /**
2692     * Extra field name for the uid of who is requesting to install
2693     * the package.
2694     *
2695     * @hide
2696     */
2697    public static final String EXTRA_VERIFICATION_INSTALLER_UID
2698            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
2699
2700    /**
2701     * Extra field name for the package name of a package pending verification.
2702     *
2703     * @hide
2704     */
2705    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
2706            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
2707    /**
2708     * Extra field name for the result of a verification, either
2709     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
2710     * Passed to package verifiers after a package is verified.
2711     */
2712    public static final String EXTRA_VERIFICATION_RESULT
2713            = "android.content.pm.extra.VERIFICATION_RESULT";
2714
2715    /**
2716     * Extra field name for the version code of a package pending verification.
2717     * @deprecated Use {@link #EXTRA_VERIFICATION_LONG_VERSION_CODE} instead.
2718     * @hide
2719     */
2720    @Deprecated
2721    public static final String EXTRA_VERIFICATION_VERSION_CODE
2722            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
2723
2724    /**
2725     * Extra field name for the long version code of a package pending verification.
2726     *
2727     * @hide
2728     */
2729    public static final String EXTRA_VERIFICATION_LONG_VERSION_CODE =
2730            "android.content.pm.extra.VERIFICATION_LONG_VERSION_CODE";
2731
2732    /**
2733     * Extra field name for the ID of a intent filter pending verification.
2734     * Passed to an intent filter verifier and is used to call back to
2735     * {@link #verifyIntentFilter}
2736     *
2737     * @hide
2738     */
2739    public static final String EXTRA_INTENT_FILTER_VERIFICATION_ID
2740            = "android.content.pm.extra.INTENT_FILTER_VERIFICATION_ID";
2741
2742    /**
2743     * Extra field name for the scheme used for an intent filter pending verification. Passed to
2744     * an intent filter verifier and is used to construct the URI to verify against.
2745     *
2746     * Usually this is "https"
2747     *
2748     * @hide
2749     */
2750    public static final String EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME
2751            = "android.content.pm.extra.INTENT_FILTER_VERIFICATION_URI_SCHEME";
2752
2753    /**
2754     * Extra field name for the host names to be used for an intent filter pending verification.
2755     * Passed to an intent filter verifier and is used to construct the URI to verify the
2756     * intent filter.
2757     *
2758     * This is a space delimited list of hosts.
2759     *
2760     * @hide
2761     */
2762    public static final String EXTRA_INTENT_FILTER_VERIFICATION_HOSTS
2763            = "android.content.pm.extra.INTENT_FILTER_VERIFICATION_HOSTS";
2764
2765    /**
2766     * Extra field name for the package name to be used for an intent filter pending verification.
2767     * Passed to an intent filter verifier and is used to check the verification responses coming
2768     * from the hosts. Each host response will need to include the package name of APK containing
2769     * the intent filter.
2770     *
2771     * @hide
2772     */
2773    public static final String EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME
2774            = "android.content.pm.extra.INTENT_FILTER_VERIFICATION_PACKAGE_NAME";
2775
2776    /**
2777     * The action used to request that the user approve a permission request
2778     * from the application.
2779     *
2780     * @hide
2781     */
2782    @SystemApi
2783    public static final String ACTION_REQUEST_PERMISSIONS =
2784            "android.content.pm.action.REQUEST_PERMISSIONS";
2785
2786    /**
2787     * The names of the requested permissions.
2788     * <p>
2789     * <strong>Type:</strong> String[]
2790     * </p>
2791     *
2792     * @hide
2793     */
2794    @SystemApi
2795    public static final String EXTRA_REQUEST_PERMISSIONS_NAMES =
2796            "android.content.pm.extra.REQUEST_PERMISSIONS_NAMES";
2797
2798    /**
2799     * The results from the permissions request.
2800     * <p>
2801     * <strong>Type:</strong> int[] of #PermissionResult
2802     * </p>
2803     *
2804     * @hide
2805     */
2806    @SystemApi
2807    public static final String EXTRA_REQUEST_PERMISSIONS_RESULTS
2808            = "android.content.pm.extra.REQUEST_PERMISSIONS_RESULTS";
2809
2810    /**
2811     * String extra for {@link PackageInstallObserver} in the 'extras' Bundle in case of
2812     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the package which provides
2813     * the existing definition for the permission.
2814     * @hide
2815     */
2816    public static final String EXTRA_FAILURE_EXISTING_PACKAGE
2817            = "android.content.pm.extra.FAILURE_EXISTING_PACKAGE";
2818
2819    /**
2820     * String extra for {@link PackageInstallObserver} in the 'extras' Bundle in case of
2821     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the permission that is
2822     * being redundantly defined by the package being installed.
2823     * @hide
2824     */
2825    public static final String EXTRA_FAILURE_EXISTING_PERMISSION
2826            = "android.content.pm.extra.FAILURE_EXISTING_PERMISSION";
2827
2828   /**
2829    * Permission flag: The permission is set in its current state
2830    * by the user and apps can still request it at runtime.
2831    *
2832    * @hide
2833    */
2834    @SystemApi
2835    public static final int FLAG_PERMISSION_USER_SET = 1 << 0;
2836
2837    /**
2838     * Permission flag: The permission is set in its current state
2839     * by the user and it is fixed, i.e. apps can no longer request
2840     * this permission.
2841     *
2842     * @hide
2843     */
2844    @SystemApi
2845    public static final int FLAG_PERMISSION_USER_FIXED =  1 << 1;
2846
2847    /**
2848     * Permission flag: The permission is set in its current state
2849     * by device policy and neither apps nor the user can change
2850     * its state.
2851     *
2852     * @hide
2853     */
2854    @SystemApi
2855    public static final int FLAG_PERMISSION_POLICY_FIXED =  1 << 2;
2856
2857    /**
2858     * Permission flag: The permission is set in a granted state but
2859     * access to resources it guards is restricted by other means to
2860     * enable revoking a permission on legacy apps that do not support
2861     * runtime permissions. If this permission is upgraded to runtime
2862     * because the app was updated to support runtime permissions, the
2863     * the permission will be revoked in the upgrade process.
2864     *
2865     * @hide
2866     */
2867    @SystemApi
2868    public static final int FLAG_PERMISSION_REVOKE_ON_UPGRADE =  1 << 3;
2869
2870    /**
2871     * Permission flag: The permission is set in its current state
2872     * because the app is a component that is a part of the system.
2873     *
2874     * @hide
2875     */
2876    @SystemApi
2877    public static final int FLAG_PERMISSION_SYSTEM_FIXED =  1 << 4;
2878
2879    /**
2880     * Permission flag: The permission is granted by default because it
2881     * enables app functionality that is expected to work out-of-the-box
2882     * for providing a smooth user experience. For example, the phone app
2883     * is expected to have the phone permission.
2884     *
2885     * @hide
2886     */
2887    @SystemApi
2888    public static final int FLAG_PERMISSION_GRANTED_BY_DEFAULT =  1 << 5;
2889
2890    /**
2891     * Permission flag: The permission has to be reviewed before any of
2892     * the app components can run.
2893     *
2894     * @hide
2895     */
2896    @SystemApi
2897    public static final int FLAG_PERMISSION_REVIEW_REQUIRED =  1 << 6;
2898
2899    /**
2900     * Mask for all permission flags.
2901     *
2902     * @hide
2903     */
2904    @SystemApi
2905    public static final int MASK_PERMISSION_FLAGS = 0xFF;
2906
2907    /**
2908     * This is a library that contains components apps can invoke. For
2909     * example, a services for apps to bind to, or standard chooser UI,
2910     * etc. This library is versioned and backwards compatible. Clients
2911     * should check its version via {@link android.ext.services.Version
2912     * #getVersionCode()} and avoid calling APIs added in later versions.
2913     *
2914     * @hide
2915     */
2916    public static final String SYSTEM_SHARED_LIBRARY_SERVICES = "android.ext.services";
2917
2918    /**
2919     * This is a library that contains components apps can dynamically
2920     * load. For example, new widgets, helper classes, etc. This library
2921     * is versioned and backwards compatible. Clients should check its
2922     * version via {@link android.ext.shared.Version#getVersionCode()}
2923     * and avoid calling APIs added in later versions.
2924     *
2925     * @hide
2926     */
2927    public static final String SYSTEM_SHARED_LIBRARY_SHARED = "android.ext.shared";
2928
2929    /**
2930     * Used when starting a process for an Activity.
2931     *
2932     * @hide
2933     */
2934    public static final int NOTIFY_PACKAGE_USE_ACTIVITY = 0;
2935
2936    /**
2937     * Used when starting a process for a Service.
2938     *
2939     * @hide
2940     */
2941    public static final int NOTIFY_PACKAGE_USE_SERVICE = 1;
2942
2943    /**
2944     * Used when moving a Service to the foreground.
2945     *
2946     * @hide
2947     */
2948    public static final int NOTIFY_PACKAGE_USE_FOREGROUND_SERVICE = 2;
2949
2950    /**
2951     * Used when starting a process for a BroadcastReceiver.
2952     *
2953     * @hide
2954     */
2955    public static final int NOTIFY_PACKAGE_USE_BROADCAST_RECEIVER = 3;
2956
2957    /**
2958     * Used when starting a process for a ContentProvider.
2959     *
2960     * @hide
2961     */
2962    public static final int NOTIFY_PACKAGE_USE_CONTENT_PROVIDER = 4;
2963
2964    /**
2965     * Used when starting a process for a BroadcastReceiver.
2966     *
2967     * @hide
2968     */
2969    public static final int NOTIFY_PACKAGE_USE_BACKUP = 5;
2970
2971    /**
2972     * Used with Context.getClassLoader() across Android packages.
2973     *
2974     * @hide
2975     */
2976    public static final int NOTIFY_PACKAGE_USE_CROSS_PACKAGE = 6;
2977
2978    /**
2979     * Used when starting a package within a process for Instrumentation.
2980     *
2981     * @hide
2982     */
2983    public static final int NOTIFY_PACKAGE_USE_INSTRUMENTATION = 7;
2984
2985    /**
2986     * Total number of usage reasons.
2987     *
2988     * @hide
2989     */
2990    public static final int NOTIFY_PACKAGE_USE_REASONS_COUNT = 8;
2991
2992    /**
2993     * Constant for specifying the highest installed package version code.
2994     */
2995    public static final int VERSION_CODE_HIGHEST = -1;
2996
2997    /** {@hide} */
2998    public int getUserId() {
2999        return UserHandle.myUserId();
3000    }
3001
3002    /**
3003     * Retrieve overall information about an application package that is
3004     * installed on the system.
3005     *
3006     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3007     *            desired package.
3008     * @param flags Additional option flags to modify the data returned.
3009     * @return A PackageInfo object containing information about the package. If
3010     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set and if the package
3011     *         is not found in the list of installed applications, the package
3012     *         information is retrieved from the list of uninstalled
3013     *         applications (which includes installed applications as well as
3014     *         applications with data directory i.e. applications which had been
3015     *         deleted with {@code DONT_DELETE_DATA} flag set).
3016     * @throws NameNotFoundException if a package with the given name cannot be
3017     *             found on the system.
3018     */
3019    public abstract PackageInfo getPackageInfo(String packageName, @PackageInfoFlags int flags)
3020            throws NameNotFoundException;
3021
3022    /**
3023     * Retrieve overall information about an application package that is
3024     * installed on the system. This method can be used for retrieving
3025     * information about packages for which multiple versions can be installed
3026     * at the time. Currently only packages hosting static shared libraries can
3027     * have multiple installed versions. The method can also be used to get info
3028     * for a package that has a single version installed by passing
3029     * {@link #VERSION_CODE_HIGHEST} in the {@link VersionedPackage}
3030     * constructor.
3031     *
3032     * @param versionedPackage The versioned package for which to query.
3033     * @param flags Additional option flags to modify the data returned.
3034     * @return A PackageInfo object containing information about the package. If
3035     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set and if the package
3036     *         is not found in the list of installed applications, the package
3037     *         information is retrieved from the list of uninstalled
3038     *         applications (which includes installed applications as well as
3039     *         applications with data directory i.e. applications which had been
3040     *         deleted with {@code DONT_DELETE_DATA} flag set).
3041     * @throws NameNotFoundException if a package with the given name cannot be
3042     *             found on the system.
3043     */
3044    public abstract PackageInfo getPackageInfo(VersionedPackage versionedPackage,
3045            @PackageInfoFlags int flags) throws NameNotFoundException;
3046
3047    /**
3048     * Retrieve overall information about an application package that is
3049     * installed on the system.
3050     *
3051     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3052     *            desired package.
3053     * @param flags Additional option flags to modify the data returned.
3054     * @param userId The user id.
3055     * @return A PackageInfo object containing information about the package. If
3056     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set and if the package
3057     *         is not found in the list of installed applications, the package
3058     *         information is retrieved from the list of uninstalled
3059     *         applications (which includes installed applications as well as
3060     *         applications with data directory i.e. applications which had been
3061     *         deleted with {@code DONT_DELETE_DATA} flag set).
3062     * @throws NameNotFoundException if a package with the given name cannot be
3063     *             found on the system.
3064     * @hide
3065     */
3066    @RequiresPermission(Manifest.permission.INTERACT_ACROSS_USERS)
3067    public abstract PackageInfo getPackageInfoAsUser(String packageName,
3068            @PackageInfoFlags int flags, @UserIdInt int userId) throws NameNotFoundException;
3069
3070    /**
3071     * Map from the current package names in use on the device to whatever
3072     * the current canonical name of that package is.
3073     * @param names Array of current names to be mapped.
3074     * @return Returns an array of the same size as the original, containing
3075     * the canonical name for each package.
3076     */
3077    public abstract String[] currentToCanonicalPackageNames(String[] names);
3078
3079    /**
3080     * Map from a packages canonical name to the current name in use on the device.
3081     * @param names Array of new names to be mapped.
3082     * @return Returns an array of the same size as the original, containing
3083     * the current name for each package.
3084     */
3085    public abstract String[] canonicalToCurrentPackageNames(String[] names);
3086
3087    /**
3088     * Returns a "good" intent to launch a front-door activity in a package.
3089     * This is used, for example, to implement an "open" button when browsing
3090     * through packages.  The current implementation looks first for a main
3091     * activity in the category {@link Intent#CATEGORY_INFO}, and next for a
3092     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}. Returns
3093     * <code>null</code> if neither are found.
3094     *
3095     * @param packageName The name of the package to inspect.
3096     *
3097     * @return A fully-qualified {@link Intent} that can be used to launch the
3098     * main activity in the package. Returns <code>null</code> if the package
3099     * does not contain such an activity, or if <em>packageName</em> is not
3100     * recognized.
3101     */
3102    public abstract @Nullable Intent getLaunchIntentForPackage(@NonNull String packageName);
3103
3104    /**
3105     * Return a "good" intent to launch a front-door Leanback activity in a
3106     * package, for use for example to implement an "open" button when browsing
3107     * through packages. The current implementation will look for a main
3108     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
3109     * return null if no main leanback activities are found.
3110     *
3111     * @param packageName The name of the package to inspect.
3112     * @return Returns either a fully-qualified Intent that can be used to launch
3113     *         the main Leanback activity in the package, or null if the package
3114     *         does not contain such an activity.
3115     */
3116    public abstract @Nullable Intent getLeanbackLaunchIntentForPackage(@NonNull String packageName);
3117
3118    /**
3119     * Return a "good" intent to launch a front-door Car activity in a
3120     * package, for use for example to implement an "open" button when browsing
3121     * through packages. The current implementation will look for a main
3122     * activity in the category {@link Intent#CATEGORY_CAR_LAUNCHER}, or
3123     * return null if no main car activities are found.
3124     *
3125     * @param packageName The name of the package to inspect.
3126     * @return Returns either a fully-qualified Intent that can be used to launch
3127     *         the main Car activity in the package, or null if the package
3128     *         does not contain such an activity.
3129     * @hide
3130     */
3131    public abstract @Nullable Intent getCarLaunchIntentForPackage(@NonNull String packageName);
3132
3133    /**
3134     * Return an array of all of the POSIX secondary group IDs that have been
3135     * assigned to the given package.
3136     * <p>
3137     * Note that the same package may have different GIDs under different
3138     * {@link UserHandle} on the same device.
3139     *
3140     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3141     *            desired package.
3142     * @return Returns an int array of the assigned GIDs, or null if there are
3143     *         none.
3144     * @throws NameNotFoundException if a package with the given name cannot be
3145     *             found on the system.
3146     */
3147    public abstract int[] getPackageGids(@NonNull String packageName)
3148            throws NameNotFoundException;
3149
3150    /**
3151     * Return an array of all of the POSIX secondary group IDs that have been
3152     * assigned to the given package.
3153     * <p>
3154     * Note that the same package may have different GIDs under different
3155     * {@link UserHandle} on the same device.
3156     *
3157     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3158     *            desired package.
3159     * @return Returns an int array of the assigned gids, or null if there are
3160     *         none.
3161     * @throws NameNotFoundException if a package with the given name cannot be
3162     *             found on the system.
3163     */
3164    public abstract int[] getPackageGids(String packageName, @PackageInfoFlags int flags)
3165            throws NameNotFoundException;
3166
3167    /**
3168     * Return the UID associated with the given package name.
3169     * <p>
3170     * Note that the same package will have different UIDs under different
3171     * {@link UserHandle} on the same device.
3172     *
3173     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3174     *            desired package.
3175     * @return Returns an integer UID who owns the given package name.
3176     * @throws NameNotFoundException if a package with the given name can not be
3177     *             found on the system.
3178     */
3179    public abstract int getPackageUid(String packageName, @PackageInfoFlags int flags)
3180            throws NameNotFoundException;
3181
3182    /**
3183     * Return the UID associated with the given package name.
3184     * <p>
3185     * Note that the same package will have different UIDs under different
3186     * {@link UserHandle} on the same device.
3187     *
3188     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3189     *            desired package.
3190     * @param userId The user handle identifier to look up the package under.
3191     * @return Returns an integer UID who owns the given package name.
3192     * @throws NameNotFoundException if a package with the given name can not be
3193     *             found on the system.
3194     * @hide
3195     */
3196    public abstract int getPackageUidAsUser(String packageName, @UserIdInt int userId)
3197            throws NameNotFoundException;
3198
3199    /**
3200     * Return the UID associated with the given package name.
3201     * <p>
3202     * Note that the same package will have different UIDs under different
3203     * {@link UserHandle} on the same device.
3204     *
3205     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3206     *            desired package.
3207     * @param userId The user handle identifier to look up the package under.
3208     * @return Returns an integer UID who owns the given package name.
3209     * @throws NameNotFoundException if a package with the given name can not be
3210     *             found on the system.
3211     * @hide
3212     */
3213    public abstract int getPackageUidAsUser(String packageName, @PackageInfoFlags int flags,
3214            @UserIdInt int userId) throws NameNotFoundException;
3215
3216    /**
3217     * Retrieve all of the information we know about a particular permission.
3218     *
3219     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
3220     *            of the permission you are interested in.
3221     * @param flags Additional option flags to modify the data returned.
3222     * @return Returns a {@link PermissionInfo} containing information about the
3223     *         permission.
3224     * @throws NameNotFoundException if a package with the given name cannot be
3225     *             found on the system.
3226     */
3227    public abstract PermissionInfo getPermissionInfo(String name, @PermissionInfoFlags int flags)
3228            throws NameNotFoundException;
3229
3230    /**
3231     * Query for all of the permissions associated with a particular group.
3232     *
3233     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
3234     *            of the permission group you are interested in. Use null to
3235     *            find all of the permissions not associated with a group.
3236     * @param flags Additional option flags to modify the data returned.
3237     * @return Returns a list of {@link PermissionInfo} containing information
3238     *         about all of the permissions in the given group.
3239     * @throws NameNotFoundException if a package with the given name cannot be
3240     *             found on the system.
3241     */
3242    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
3243            @PermissionInfoFlags int flags) throws NameNotFoundException;
3244
3245    /**
3246     * Returns true if Permission Review Mode is enabled, false otherwise.
3247     *
3248     * @hide
3249     */
3250    @TestApi
3251    public abstract boolean isPermissionReviewModeEnabled();
3252
3253    /**
3254     * Retrieve all of the information we know about a particular group of
3255     * permissions.
3256     *
3257     * @param name The fully qualified name (i.e.
3258     *            com.google.permission_group.APPS) of the permission you are
3259     *            interested in.
3260     * @param flags Additional option flags to modify the data returned.
3261     * @return Returns a {@link PermissionGroupInfo} containing information
3262     *         about the permission.
3263     * @throws NameNotFoundException if a package with the given name cannot be
3264     *             found on the system.
3265     */
3266    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
3267            @PermissionGroupInfoFlags int flags) throws NameNotFoundException;
3268
3269    /**
3270     * Retrieve all of the known permission groups in the system.
3271     *
3272     * @param flags Additional option flags to modify the data returned.
3273     * @return Returns a list of {@link PermissionGroupInfo} containing
3274     *         information about all of the known permission groups.
3275     */
3276    public abstract List<PermissionGroupInfo> getAllPermissionGroups(
3277            @PermissionGroupInfoFlags int flags);
3278
3279    /**
3280     * Retrieve all of the information we know about a particular
3281     * package/application.
3282     *
3283     * @param packageName The full name (i.e. com.google.apps.contacts) of an
3284     *            application.
3285     * @param flags Additional option flags to modify the data returned.
3286     * @return An {@link ApplicationInfo} containing information about the
3287     *         package. If flag {@code MATCH_UNINSTALLED_PACKAGES} is set and if
3288     *         the package is not found in the list of installed applications,
3289     *         the application information is retrieved from the list of
3290     *         uninstalled applications (which includes installed applications
3291     *         as well as applications with data directory i.e. applications
3292     *         which had been deleted with {@code DONT_DELETE_DATA} flag set).
3293     * @throws NameNotFoundException if a package with the given name cannot be
3294     *             found on the system.
3295     */
3296    public abstract ApplicationInfo getApplicationInfo(String packageName,
3297            @ApplicationInfoFlags int flags) throws NameNotFoundException;
3298
3299    /** {@hide} */
3300    public abstract ApplicationInfo getApplicationInfoAsUser(String packageName,
3301            @ApplicationInfoFlags int flags, @UserIdInt int userId) throws NameNotFoundException;
3302
3303    /**
3304     * Retrieve all of the information we know about a particular activity
3305     * class.
3306     *
3307     * @param component The full component name (i.e.
3308     *            com.google.apps.contacts/com.google.apps.contacts.
3309     *            ContactsList) of an Activity class.
3310     * @param flags Additional option flags to modify the data returned.
3311     * @return An {@link ActivityInfo} containing information about the
3312     *         activity.
3313     * @throws NameNotFoundException if a package with the given name cannot be
3314     *             found on the system.
3315     */
3316    public abstract ActivityInfo getActivityInfo(ComponentName component,
3317            @ComponentInfoFlags int flags) throws NameNotFoundException;
3318
3319    /**
3320     * Retrieve all of the information we know about a particular receiver
3321     * class.
3322     *
3323     * @param component The full component name (i.e.
3324     *            com.google.apps.calendar/com.google.apps.calendar.
3325     *            CalendarAlarm) of a Receiver class.
3326     * @param flags Additional option flags to modify the data returned.
3327     * @return An {@link ActivityInfo} containing information about the
3328     *         receiver.
3329     * @throws NameNotFoundException if a package with the given name cannot be
3330     *             found on the system.
3331     */
3332    public abstract ActivityInfo getReceiverInfo(ComponentName component,
3333            @ComponentInfoFlags int flags) throws NameNotFoundException;
3334
3335    /**
3336     * Retrieve all of the information we know about a particular service class.
3337     *
3338     * @param component The full component name (i.e.
3339     *            com.google.apps.media/com.google.apps.media.
3340     *            BackgroundPlayback) of a Service class.
3341     * @param flags Additional option flags to modify the data returned.
3342     * @return A {@link ServiceInfo} object containing information about the
3343     *         service.
3344     * @throws NameNotFoundException if a package with the given name cannot be
3345     *             found on the system.
3346     */
3347    public abstract ServiceInfo getServiceInfo(ComponentName component,
3348            @ComponentInfoFlags int flags) throws NameNotFoundException;
3349
3350    /**
3351     * Retrieve all of the information we know about a particular content
3352     * provider class.
3353     *
3354     * @param component The full component name (i.e.
3355     *            com.google.providers.media/com.google.providers.media.
3356     *            MediaProvider) of a ContentProvider class.
3357     * @param flags Additional option flags to modify the data returned.
3358     * @return A {@link ProviderInfo} object containing information about the
3359     *         provider.
3360     * @throws NameNotFoundException if a package with the given name cannot be
3361     *             found on the system.
3362     */
3363    public abstract ProviderInfo getProviderInfo(ComponentName component,
3364            @ComponentInfoFlags int flags) throws NameNotFoundException;
3365
3366    /**
3367     * Return a List of all packages that are installed for the current user.
3368     *
3369     * @param flags Additional option flags to modify the data returned.
3370     * @return A List of PackageInfo objects, one for each installed package,
3371     *         containing information about the package. In the unlikely case
3372     *         there are no installed packages, an empty list is returned. If
3373     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set, the package
3374     *         information is retrieved from the list of uninstalled
3375     *         applications (which includes installed applications as well as
3376     *         applications with data directory i.e. applications which had been
3377     *         deleted with {@code DONT_DELETE_DATA} flag set).
3378     */
3379    public abstract List<PackageInfo> getInstalledPackages(@PackageInfoFlags int flags);
3380
3381    /**
3382     * Return a List of all installed packages that are currently holding any of
3383     * the given permissions.
3384     *
3385     * @param flags Additional option flags to modify the data returned.
3386     * @return A List of PackageInfo objects, one for each installed package
3387     *         that holds any of the permissions that were provided, containing
3388     *         information about the package. If no installed packages hold any
3389     *         of the permissions, an empty list is returned. If flag
3390     *         {@code MATCH_UNINSTALLED_PACKAGES} is set, the package
3391     *         information is retrieved from the list of uninstalled
3392     *         applications (which includes installed applications as well as
3393     *         applications with data directory i.e. applications which had been
3394     *         deleted with {@code DONT_DELETE_DATA} flag set).
3395     */
3396    public abstract List<PackageInfo> getPackagesHoldingPermissions(
3397            String[] permissions, @PackageInfoFlags int flags);
3398
3399    /**
3400     * Return a List of all packages that are installed on the device, for a
3401     * specific user.
3402     *
3403     * @param flags Additional option flags to modify the data returned.
3404     * @param userId The user for whom the installed packages are to be listed
3405     * @return A List of PackageInfo objects, one for each installed package,
3406     *         containing information about the package. In the unlikely case
3407     *         there are no installed packages, an empty list is returned. If
3408     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set, the package
3409     *         information is retrieved from the list of uninstalled
3410     *         applications (which includes installed applications as well as
3411     *         applications with data directory i.e. applications which had been
3412     *         deleted with {@code DONT_DELETE_DATA} flag set).
3413     * @hide
3414     */
3415    @SystemApi
3416    @RequiresPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL)
3417    public abstract List<PackageInfo> getInstalledPackagesAsUser(@PackageInfoFlags int flags,
3418            @UserIdInt int userId);
3419
3420    /**
3421     * Check whether a particular package has been granted a particular
3422     * permission.
3423     *
3424     * @param permName The name of the permission you are checking for.
3425     * @param pkgName The name of the package you are checking against.
3426     *
3427     * @return If the package has the permission, PERMISSION_GRANTED is
3428     * returned.  If it does not have the permission, PERMISSION_DENIED
3429     * is returned.
3430     *
3431     * @see #PERMISSION_GRANTED
3432     * @see #PERMISSION_DENIED
3433     */
3434    @CheckResult
3435    public abstract @PermissionResult int checkPermission(String permName, String pkgName);
3436
3437    /**
3438     * Checks whether a particular permissions has been revoked for a
3439     * package by policy. Typically the device owner or the profile owner
3440     * may apply such a policy. The user cannot grant policy revoked
3441     * permissions, hence the only way for an app to get such a permission
3442     * is by a policy change.
3443     *
3444     * @param permName The name of the permission you are checking for.
3445     * @param pkgName The name of the package you are checking against.
3446     *
3447     * @return Whether the permission is restricted by policy.
3448     */
3449    @CheckResult
3450    public abstract boolean isPermissionRevokedByPolicy(@NonNull String permName,
3451            @NonNull String pkgName);
3452
3453    /**
3454     * Gets the package name of the component controlling runtime permissions.
3455     *
3456     * @return The package name.
3457     *
3458     * @hide
3459     */
3460    @TestApi
3461    public abstract String getPermissionControllerPackageName();
3462
3463    /**
3464     * Add a new dynamic permission to the system.  For this to work, your
3465     * package must have defined a permission tree through the
3466     * {@link android.R.styleable#AndroidManifestPermissionTree
3467     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
3468     * permissions to trees that were defined by either its own package or
3469     * another with the same user id; a permission is in a tree if it
3470     * matches the name of the permission tree + ".": for example,
3471     * "com.foo.bar" is a member of the permission tree "com.foo".
3472     *
3473     * <p>It is good to make your permission tree name descriptive, because you
3474     * are taking possession of that entire set of permission names.  Thus, it
3475     * must be under a domain you control, with a suffix that will not match
3476     * any normal permissions that may be declared in any applications that
3477     * are part of that domain.
3478     *
3479     * <p>New permissions must be added before
3480     * any .apks are installed that use those permissions.  Permissions you
3481     * add through this method are remembered across reboots of the device.
3482     * If the given permission already exists, the info you supply here
3483     * will be used to update it.
3484     *
3485     * @param info Description of the permission to be added.
3486     *
3487     * @return Returns true if a new permission was created, false if an
3488     * existing one was updated.
3489     *
3490     * @throws SecurityException if you are not allowed to add the
3491     * given permission name.
3492     *
3493     * @see #removePermission(String)
3494     */
3495    public abstract boolean addPermission(PermissionInfo info);
3496
3497    /**
3498     * Like {@link #addPermission(PermissionInfo)} but asynchronously
3499     * persists the package manager state after returning from the call,
3500     * allowing it to return quicker and batch a series of adds at the
3501     * expense of no guarantee the added permission will be retained if
3502     * the device is rebooted before it is written.
3503     */
3504    public abstract boolean addPermissionAsync(PermissionInfo info);
3505
3506    /**
3507     * Removes a permission that was previously added with
3508     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
3509     * -- you are only allowed to remove permissions that you are allowed
3510     * to add.
3511     *
3512     * @param name The name of the permission to remove.
3513     *
3514     * @throws SecurityException if you are not allowed to remove the
3515     * given permission name.
3516     *
3517     * @see #addPermission(PermissionInfo)
3518     */
3519    public abstract void removePermission(String name);
3520
3521    /**
3522     * Permission flags set when granting or revoking a permission.
3523     *
3524     * @hide
3525     */
3526    @SystemApi
3527    @IntDef(prefix = { "FLAG_PERMISSION_" }, value = {
3528            FLAG_PERMISSION_USER_SET,
3529            FLAG_PERMISSION_USER_FIXED,
3530            FLAG_PERMISSION_POLICY_FIXED,
3531            FLAG_PERMISSION_REVOKE_ON_UPGRADE,
3532            FLAG_PERMISSION_SYSTEM_FIXED,
3533            FLAG_PERMISSION_GRANTED_BY_DEFAULT
3534    })
3535    @Retention(RetentionPolicy.SOURCE)
3536    public @interface PermissionFlags {}
3537
3538    /**
3539     * Grant a runtime permission to an application which the application does not
3540     * already have. The permission must have been requested by the application.
3541     * If the application is not allowed to hold the permission, a {@link
3542     * java.lang.SecurityException} is thrown. If the package or permission is
3543     * invalid, a {@link java.lang.IllegalArgumentException} is thrown.
3544     * <p>
3545     * <strong>Note: </strong>Using this API requires holding
3546     * android.permission.GRANT_RUNTIME_PERMISSIONS and if the user id is
3547     * not the current user android.permission.INTERACT_ACROSS_USERS_FULL.
3548     * </p>
3549     *
3550     * @param packageName The package to which to grant the permission.
3551     * @param permissionName The permission name to grant.
3552     * @param user The user for which to grant the permission.
3553     *
3554     * @see #revokeRuntimePermission(String, String, android.os.UserHandle)
3555     *
3556     * @hide
3557     */
3558    @SystemApi
3559    @RequiresPermission(android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS)
3560    public abstract void grantRuntimePermission(@NonNull String packageName,
3561            @NonNull String permissionName, @NonNull UserHandle user);
3562
3563    /**
3564     * Revoke a runtime permission that was previously granted by {@link
3565     * #grantRuntimePermission(String, String, android.os.UserHandle)}. The
3566     * permission must have been requested by and granted to the application.
3567     * If the application is not allowed to hold the permission, a {@link
3568     * java.lang.SecurityException} is thrown. If the package or permission is
3569     * invalid, a {@link java.lang.IllegalArgumentException} is thrown.
3570     * <p>
3571     * <strong>Note: </strong>Using this API requires holding
3572     * android.permission.REVOKE_RUNTIME_PERMISSIONS and if the user id is
3573     * not the current user android.permission.INTERACT_ACROSS_USERS_FULL.
3574     * </p>
3575     *
3576     * @param packageName The package from which to revoke the permission.
3577     * @param permissionName The permission name to revoke.
3578     * @param user The user for which to revoke the permission.
3579     *
3580     * @see #grantRuntimePermission(String, String, android.os.UserHandle)
3581     *
3582     * @hide
3583     */
3584    @SystemApi
3585    @RequiresPermission(android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS)
3586    public abstract void revokeRuntimePermission(@NonNull String packageName,
3587            @NonNull String permissionName, @NonNull UserHandle user);
3588
3589    /**
3590     * Gets the state flags associated with a permission.
3591     *
3592     * @param permissionName The permission for which to get the flags.
3593     * @param packageName The package name for which to get the flags.
3594     * @param user The user for which to get permission flags.
3595     * @return The permission flags.
3596     *
3597     * @hide
3598     */
3599    @SystemApi
3600    @RequiresPermission(anyOf = {
3601            android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS,
3602            android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS
3603    })
3604    public abstract @PermissionFlags int getPermissionFlags(String permissionName,
3605            String packageName, @NonNull UserHandle user);
3606
3607    /**
3608     * Updates the flags associated with a permission by replacing the flags in
3609     * the specified mask with the provided flag values.
3610     *
3611     * @param permissionName The permission for which to update the flags.
3612     * @param packageName The package name for which to update the flags.
3613     * @param flagMask The flags which to replace.
3614     * @param flagValues The flags with which to replace.
3615     * @param user The user for which to update the permission flags.
3616     *
3617     * @hide
3618     */
3619    @SystemApi
3620    @RequiresPermission(anyOf = {
3621            android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS,
3622            android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS
3623    })
3624    public abstract void updatePermissionFlags(String permissionName,
3625            String packageName, @PermissionFlags int flagMask, @PermissionFlags int flagValues,
3626            @NonNull UserHandle user);
3627
3628    /**
3629     * Gets whether you should show UI with rationale for requesting a permission.
3630     * You should do this only if you do not have the permission and the context in
3631     * which the permission is requested does not clearly communicate to the user
3632     * what would be the benefit from grating this permission.
3633     *
3634     * @param permission A permission your app wants to request.
3635     * @return Whether you can show permission rationale UI.
3636     *
3637     * @hide
3638     */
3639    public abstract boolean shouldShowRequestPermissionRationale(String permission);
3640
3641    /**
3642     * Returns an {@link android.content.Intent} suitable for passing to
3643     * {@link android.app.Activity#startActivityForResult(android.content.Intent, int)}
3644     * which prompts the user to grant permissions to this application.
3645     *
3646     * @throws NullPointerException if {@code permissions} is {@code null} or empty.
3647     *
3648     * @hide
3649     */
3650    public Intent buildRequestPermissionsIntent(@NonNull String[] permissions) {
3651        if (ArrayUtils.isEmpty(permissions)) {
3652           throw new IllegalArgumentException("permission cannot be null or empty");
3653        }
3654        Intent intent = new Intent(ACTION_REQUEST_PERMISSIONS);
3655        intent.putExtra(EXTRA_REQUEST_PERMISSIONS_NAMES, permissions);
3656        intent.setPackage(getPermissionControllerPackageName());
3657        return intent;
3658    }
3659
3660    /**
3661     * Compare the signatures of two packages to determine if the same
3662     * signature appears in both of them.  If they do contain the same
3663     * signature, then they are allowed special privileges when working
3664     * with each other: they can share the same user-id, run instrumentation
3665     * against each other, etc.
3666     *
3667     * @param pkg1 First package name whose signature will be compared.
3668     * @param pkg2 Second package name whose signature will be compared.
3669     *
3670     * @return Returns an integer indicating whether all signatures on the
3671     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
3672     * all signatures match or < 0 if there is not a match ({@link
3673     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
3674     *
3675     * @see #checkSignatures(int, int)
3676     */
3677    @CheckResult
3678    public abstract @SignatureResult int checkSignatures(String pkg1, String pkg2);
3679
3680    /**
3681     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
3682     * the two packages to be checked.  This can be useful, for example,
3683     * when doing the check in an IPC, where the UID is the only identity
3684     * available.  It is functionally identical to determining the package
3685     * associated with the UIDs and checking their signatures.
3686     *
3687     * @param uid1 First UID whose signature will be compared.
3688     * @param uid2 Second UID whose signature will be compared.
3689     *
3690     * @return Returns an integer indicating whether all signatures on the
3691     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
3692     * all signatures match or < 0 if there is not a match ({@link
3693     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
3694     *
3695     * @see #checkSignatures(String, String)
3696     */
3697    @CheckResult
3698    public abstract @SignatureResult int checkSignatures(int uid1, int uid2);
3699
3700    /**
3701     * Retrieve the names of all packages that are associated with a particular
3702     * user id.  In most cases, this will be a single package name, the package
3703     * that has been assigned that user id.  Where there are multiple packages
3704     * sharing the same user id through the "sharedUserId" mechanism, all
3705     * packages with that id will be returned.
3706     *
3707     * @param uid The user id for which you would like to retrieve the
3708     * associated packages.
3709     *
3710     * @return Returns an array of one or more packages assigned to the user
3711     * id, or null if there are no known packages with the given id.
3712     */
3713    public abstract @Nullable String[] getPackagesForUid(int uid);
3714
3715    /**
3716     * Retrieve the official name associated with a uid. This name is
3717     * guaranteed to never change, though it is possible for the underlying
3718     * uid to be changed.  That is, if you are storing information about
3719     * uids in persistent storage, you should use the string returned
3720     * by this function instead of the raw uid.
3721     *
3722     * @param uid The uid for which you would like to retrieve a name.
3723     * @return Returns a unique name for the given uid, or null if the
3724     * uid is not currently assigned.
3725     */
3726    public abstract @Nullable String getNameForUid(int uid);
3727
3728    /**
3729     * Retrieves the official names associated with each given uid.
3730     * @see #getNameForUid(int)
3731     *
3732     * @hide
3733     */
3734    @TestApi
3735    public abstract @Nullable String[] getNamesForUids(int[] uids);
3736
3737    /**
3738     * Return the user id associated with a shared user name. Multiple
3739     * applications can specify a shared user name in their manifest and thus
3740     * end up using a common uid. This might be used for new applications
3741     * that use an existing shared user name and need to know the uid of the
3742     * shared user.
3743     *
3744     * @param sharedUserName The shared user name whose uid is to be retrieved.
3745     * @return Returns the UID associated with the shared user.
3746     * @throws NameNotFoundException if a package with the given name cannot be
3747     *             found on the system.
3748     * @hide
3749     */
3750    public abstract int getUidForSharedUser(String sharedUserName)
3751            throws NameNotFoundException;
3752
3753    /**
3754     * Return a List of all application packages that are installed for the
3755     * current user. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
3756     * applications including those deleted with {@code DONT_DELETE_DATA}
3757     * (partially installed apps with data directory) will be returned.
3758     *
3759     * @param flags Additional option flags to modify the data returned.
3760     * @return A List of ApplicationInfo objects, one for each installed
3761     *         application. In the unlikely case there are no installed
3762     *         packages, an empty list is returned. If flag
3763     *         {@code MATCH_UNINSTALLED_PACKAGES} is set, the application
3764     *         information is retrieved from the list of uninstalled
3765     *         applications (which includes installed applications as well as
3766     *         applications with data directory i.e. applications which had been
3767     *         deleted with {@code DONT_DELETE_DATA} flag set).
3768     */
3769    public abstract List<ApplicationInfo> getInstalledApplications(@ApplicationInfoFlags int flags);
3770
3771    /**
3772     * Return a List of all application packages that are installed on the
3773     * device, for a specific user. If flag GET_UNINSTALLED_PACKAGES has been
3774     * set, a list of all applications including those deleted with
3775     * {@code DONT_DELETE_DATA} (partially installed apps with data directory)
3776     * will be returned.
3777     *
3778     * @param flags Additional option flags to modify the data returned.
3779     * @param userId The user for whom the installed applications are to be
3780     *            listed
3781     * @return A List of ApplicationInfo objects, one for each installed
3782     *         application. In the unlikely case there are no installed
3783     *         packages, an empty list is returned. If flag
3784     *         {@code MATCH_UNINSTALLED_PACKAGES} is set, the application
3785     *         information is retrieved from the list of uninstalled
3786     *         applications (which includes installed applications as well as
3787     *         applications with data directory i.e. applications which had been
3788     *         deleted with {@code DONT_DELETE_DATA} flag set).
3789     * @hide
3790     */
3791    public abstract List<ApplicationInfo> getInstalledApplicationsAsUser(
3792            @ApplicationInfoFlags int flags, @UserIdInt int userId);
3793
3794    /**
3795     * Gets the instant applications the user recently used.
3796     *
3797     * @return The instant app list.
3798     *
3799     * @hide
3800     */
3801    @SystemApi
3802    @RequiresPermission(Manifest.permission.ACCESS_INSTANT_APPS)
3803    public abstract @NonNull List<InstantAppInfo> getInstantApps();
3804
3805    /**
3806     * Gets the icon for an instant application.
3807     *
3808     * @param packageName The app package name.
3809     *
3810     * @hide
3811     */
3812    @SystemApi
3813    @RequiresPermission(Manifest.permission.ACCESS_INSTANT_APPS)
3814    public abstract @Nullable Drawable getInstantAppIcon(String packageName);
3815
3816    /**
3817     * Gets whether this application is an instant app.
3818     *
3819     * @return Whether caller is an instant app.
3820     *
3821     * @see #isInstantApp(String)
3822     * @see #updateInstantAppCookie(byte[])
3823     * @see #getInstantAppCookie()
3824     * @see #getInstantAppCookieMaxBytes()
3825     */
3826    public abstract boolean isInstantApp();
3827
3828    /**
3829     * Gets whether the given package is an instant app.
3830     *
3831     * @param packageName The package to check
3832     * @return Whether the given package is an instant app.
3833     *
3834     * @see #isInstantApp()
3835     * @see #updateInstantAppCookie(byte[])
3836     * @see #getInstantAppCookie()
3837     * @see #getInstantAppCookieMaxBytes()
3838     * @see #clearInstantAppCookie()
3839     */
3840    public abstract boolean isInstantApp(String packageName);
3841
3842    /**
3843     * Gets the maximum size in bytes of the cookie data an instant app
3844     * can store on the device.
3845     *
3846     * @return The max cookie size in bytes.
3847     *
3848     * @see #isInstantApp()
3849     * @see #isInstantApp(String)
3850     * @see #updateInstantAppCookie(byte[])
3851     * @see #getInstantAppCookie()
3852     * @see #clearInstantAppCookie()
3853     */
3854    public abstract int getInstantAppCookieMaxBytes();
3855
3856    /**
3857     * deprecated
3858     * @hide
3859     */
3860    public abstract int getInstantAppCookieMaxSize();
3861
3862    /**
3863     * Gets the instant application cookie for this app. Non
3864     * instant apps and apps that were instant but were upgraded
3865     * to normal apps can still access this API. For instant apps
3866     * this cookie is cached for some time after uninstall while for
3867     * normal apps the cookie is deleted after the app is uninstalled.
3868     * The cookie is always present while the app is installed.
3869     *
3870     * @return The cookie.
3871     *
3872     * @see #isInstantApp()
3873     * @see #isInstantApp(String)
3874     * @see #updateInstantAppCookie(byte[])
3875     * @see #getInstantAppCookieMaxBytes()
3876     * @see #clearInstantAppCookie()
3877     */
3878    public abstract @NonNull byte[] getInstantAppCookie();
3879
3880    /**
3881     * Clears the instant application cookie for the calling app.
3882     *
3883     * @see #isInstantApp()
3884     * @see #isInstantApp(String)
3885     * @see #getInstantAppCookieMaxBytes()
3886     * @see #getInstantAppCookie()
3887     * @see #clearInstantAppCookie()
3888     */
3889    public abstract void clearInstantAppCookie();
3890
3891    /**
3892     * Updates the instant application cookie for the calling app. Non
3893     * instant apps and apps that were instant but were upgraded
3894     * to normal apps can still access this API. For instant apps
3895     * this cookie is cached for some time after uninstall while for
3896     * normal apps the cookie is deleted after the app is uninstalled.
3897     * The cookie is always present while the app is installed. The
3898     * cookie size is limited by {@link #getInstantAppCookieMaxBytes()}.
3899     * Passing <code>null</code> or an empty array clears the cookie.
3900     * </p>
3901     *
3902     * @param cookie The cookie data.
3903     *
3904     * @see #isInstantApp()
3905     * @see #isInstantApp(String)
3906     * @see #getInstantAppCookieMaxBytes()
3907     * @see #getInstantAppCookie()
3908     * @see #clearInstantAppCookie()
3909     *
3910     * @throws IllegalArgumentException if the array exceeds max cookie size.
3911     */
3912    public abstract void updateInstantAppCookie(@Nullable byte[] cookie);
3913
3914    /**
3915     * @removed
3916     */
3917    public abstract boolean setInstantAppCookie(@Nullable byte[] cookie);
3918
3919    /**
3920     * Get a list of shared libraries that are available on the
3921     * system.
3922     *
3923     * @return An array of shared library names that are
3924     * available on the system, or null if none are installed.
3925     *
3926     */
3927    public abstract String[] getSystemSharedLibraryNames();
3928
3929    /**
3930     * Get a list of shared libraries on the device.
3931     *
3932     * @param flags To filter the libraries to return.
3933     * @return The shared library list.
3934     *
3935     * @see #MATCH_UNINSTALLED_PACKAGES
3936     */
3937    public abstract @NonNull List<SharedLibraryInfo> getSharedLibraries(
3938            @InstallFlags int flags);
3939
3940    /**
3941     * Get a list of shared libraries on the device.
3942     *
3943     * @param flags To filter the libraries to return.
3944     * @param userId The user to query for.
3945     * @return The shared library list.
3946     *
3947     * @see #MATCH_FACTORY_ONLY
3948     * @see #MATCH_KNOWN_PACKAGES
3949     * @see #MATCH_ANY_USER
3950     * @see #MATCH_UNINSTALLED_PACKAGES
3951     *
3952     * @hide
3953     */
3954    public abstract @NonNull List<SharedLibraryInfo> getSharedLibrariesAsUser(
3955            @InstallFlags int flags, @UserIdInt int userId);
3956
3957    /**
3958     * Get the name of the package hosting the services shared library.
3959     *
3960     * @return The library host package.
3961     *
3962     * @hide
3963     */
3964    @TestApi
3965    public abstract @NonNull String getServicesSystemSharedLibraryPackageName();
3966
3967    /**
3968     * Get the name of the package hosting the shared components shared library.
3969     *
3970     * @return The library host package.
3971     *
3972     * @hide
3973     */
3974    @TestApi
3975    public abstract @NonNull String getSharedSystemSharedLibraryPackageName();
3976
3977    /**
3978     * Returns the names of the packages that have been changed
3979     * [eg. added, removed or updated] since the given sequence
3980     * number.
3981     * <p>If no packages have been changed, returns <code>null</code>.
3982     * <p>The sequence number starts at <code>0</code> and is
3983     * reset every boot.
3984     * @param sequenceNumber The first sequence number for which to retrieve package changes.
3985     * @see Settings.Global#BOOT_COUNT
3986     */
3987    public abstract @Nullable ChangedPackages getChangedPackages(
3988            @IntRange(from=0) int sequenceNumber);
3989
3990    /**
3991     * Get a list of features that are available on the
3992     * system.
3993     *
3994     * @return An array of FeatureInfo classes describing the features
3995     * that are available on the system, or null if there are none(!!).
3996     */
3997    public abstract FeatureInfo[] getSystemAvailableFeatures();
3998
3999    /**
4000     * Check whether the given feature name is one of the available features as
4001     * returned by {@link #getSystemAvailableFeatures()}. This tests for the
4002     * presence of <em>any</em> version of the given feature name; use
4003     * {@link #hasSystemFeature(String, int)} to check for a minimum version.
4004     *
4005     * @return Returns true if the devices supports the feature, else false.
4006     */
4007    public abstract boolean hasSystemFeature(String name);
4008
4009    /**
4010     * Check whether the given feature name and version is one of the available
4011     * features as returned by {@link #getSystemAvailableFeatures()}. Since
4012     * features are defined to always be backwards compatible, this returns true
4013     * if the available feature version is greater than or equal to the
4014     * requested version.
4015     *
4016     * @return Returns true if the devices supports the feature, else false.
4017     */
4018    public abstract boolean hasSystemFeature(String name, int version);
4019
4020    /**
4021     * Determine the best action to perform for a given Intent. This is how
4022     * {@link Intent#resolveActivity} finds an activity if a class has not been
4023     * explicitly specified.
4024     * <p>
4025     * <em>Note:</em> if using an implicit Intent (without an explicit
4026     * ComponentName specified), be sure to consider whether to set the
4027     * {@link #MATCH_DEFAULT_ONLY} only flag. You need to do so to resolve the
4028     * activity in the same way that
4029     * {@link android.content.Context#startActivity(Intent)} and
4030     * {@link android.content.Intent#resolveActivity(PackageManager)
4031     * Intent.resolveActivity(PackageManager)} do.
4032     * </p>
4033     *
4034     * @param intent An intent containing all of the desired specification
4035     *            (action, data, type, category, and/or component).
4036     * @param flags Additional option flags to modify the data returned. The
4037     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4038     *            resolution to only those activities that support the
4039     *            {@link android.content.Intent#CATEGORY_DEFAULT}.
4040     * @return Returns a ResolveInfo object containing the final activity intent
4041     *         that was determined to be the best action. Returns null if no
4042     *         matching activity was found. If multiple matching activities are
4043     *         found and there is no default set, returns a ResolveInfo object
4044     *         containing something else, such as the activity resolver.
4045     */
4046    public abstract ResolveInfo resolveActivity(Intent intent, @ResolveInfoFlags int flags);
4047
4048    /**
4049     * Determine the best action to perform for a given Intent for a given user.
4050     * This is how {@link Intent#resolveActivity} finds an activity if a class
4051     * has not been explicitly specified.
4052     * <p>
4053     * <em>Note:</em> if using an implicit Intent (without an explicit
4054     * ComponentName specified), be sure to consider whether to set the
4055     * {@link #MATCH_DEFAULT_ONLY} only flag. You need to do so to resolve the
4056     * activity in the same way that
4057     * {@link android.content.Context#startActivity(Intent)} and
4058     * {@link android.content.Intent#resolveActivity(PackageManager)
4059     * Intent.resolveActivity(PackageManager)} do.
4060     * </p>
4061     *
4062     * @param intent An intent containing all of the desired specification
4063     *            (action, data, type, category, and/or component).
4064     * @param flags Additional option flags to modify the data returned. The
4065     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4066     *            resolution to only those activities that support the
4067     *            {@link android.content.Intent#CATEGORY_DEFAULT}.
4068     * @param userId The user id.
4069     * @return Returns a ResolveInfo object containing the final activity intent
4070     *         that was determined to be the best action. Returns null if no
4071     *         matching activity was found. If multiple matching activities are
4072     *         found and there is no default set, returns a ResolveInfo object
4073     *         containing something else, such as the activity resolver.
4074     * @hide
4075     */
4076    public abstract ResolveInfo resolveActivityAsUser(Intent intent, @ResolveInfoFlags int flags,
4077            @UserIdInt int userId);
4078
4079    /**
4080     * Retrieve all activities that can be performed for the given intent.
4081     *
4082     * @param intent The desired intent as per resolveActivity().
4083     * @param flags Additional option flags to modify the data returned. The
4084     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4085     *            resolution to only those activities that support the
4086     *            {@link android.content.Intent#CATEGORY_DEFAULT}. Or, set
4087     *            {@link #MATCH_ALL} to prevent any filtering of the results.
4088     * @return Returns a List of ResolveInfo objects containing one entry for
4089     *         each matching activity, ordered from best to worst. In other
4090     *         words, the first item is what would be returned by
4091     *         {@link #resolveActivity}. If there are no matching activities, an
4092     *         empty list is returned.
4093     */
4094    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
4095            @ResolveInfoFlags int flags);
4096
4097    /**
4098     * Retrieve all activities that can be performed for the given intent, for a
4099     * specific user.
4100     *
4101     * @param intent The desired intent as per resolveActivity().
4102     * @param flags Additional option flags to modify the data returned. The
4103     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4104     *            resolution to only those activities that support the
4105     *            {@link android.content.Intent#CATEGORY_DEFAULT}. Or, set
4106     *            {@link #MATCH_ALL} to prevent any filtering of the results.
4107     * @return Returns a List of ResolveInfo objects containing one entry for
4108     *         each matching activity, ordered from best to worst. In other
4109     *         words, the first item is what would be returned by
4110     *         {@link #resolveActivity}. If there are no matching activities, an
4111     *         empty list is returned.
4112     * @hide
4113     */
4114    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
4115            @ResolveInfoFlags int flags, @UserIdInt int userId);
4116
4117    /**
4118     * Retrieve a set of activities that should be presented to the user as
4119     * similar options. This is like {@link #queryIntentActivities}, except it
4120     * also allows you to supply a list of more explicit Intents that you would
4121     * like to resolve to particular options, and takes care of returning the
4122     * final ResolveInfo list in a reasonable order, with no duplicates, based
4123     * on those inputs.
4124     *
4125     * @param caller The class name of the activity that is making the request.
4126     *            This activity will never appear in the output list. Can be
4127     *            null.
4128     * @param specifics An array of Intents that should be resolved to the first
4129     *            specific results. Can be null.
4130     * @param intent The desired intent as per resolveActivity().
4131     * @param flags Additional option flags to modify the data returned. The
4132     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4133     *            resolution to only those activities that support the
4134     *            {@link android.content.Intent#CATEGORY_DEFAULT}.
4135     * @return Returns a List of ResolveInfo objects containing one entry for
4136     *         each matching activity. The list is ordered first by all of the
4137     *         intents resolved in <var>specifics</var> and then any additional
4138     *         activities that can handle <var>intent</var> but did not get
4139     *         included by one of the <var>specifics</var> intents. If there are
4140     *         no matching activities, an empty list is returned.
4141     */
4142    public abstract List<ResolveInfo> queryIntentActivityOptions(@Nullable ComponentName caller,
4143            @Nullable Intent[] specifics, Intent intent, @ResolveInfoFlags int flags);
4144
4145    /**
4146     * Retrieve all receivers that can handle a broadcast of the given intent.
4147     *
4148     * @param intent The desired intent as per resolveActivity().
4149     * @param flags Additional option flags to modify the data returned.
4150     * @return Returns a List of ResolveInfo objects containing one entry for
4151     *         each matching receiver, ordered from best to worst. If there are
4152     *         no matching receivers, an empty list or null is returned.
4153     */
4154    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
4155            @ResolveInfoFlags int flags);
4156
4157    /**
4158     * Retrieve all receivers that can handle a broadcast of the given intent,
4159     * for a specific user.
4160     *
4161     * @param intent The desired intent as per resolveActivity().
4162     * @param flags Additional option flags to modify the data returned.
4163     * @param userHandle UserHandle of the user being queried.
4164     * @return Returns a List of ResolveInfo objects containing one entry for
4165     *         each matching receiver, ordered from best to worst. If there are
4166     *         no matching receivers, an empty list or null is returned.
4167     * @hide
4168     */
4169    @SystemApi
4170    @RequiresPermission(Manifest.permission.INTERACT_ACROSS_USERS)
4171    public List<ResolveInfo> queryBroadcastReceiversAsUser(Intent intent,
4172            @ResolveInfoFlags int flags, UserHandle userHandle) {
4173        return queryBroadcastReceiversAsUser(intent, flags, userHandle.getIdentifier());
4174    }
4175
4176    /**
4177     * @hide
4178     */
4179    public abstract List<ResolveInfo> queryBroadcastReceiversAsUser(Intent intent,
4180            @ResolveInfoFlags int flags, @UserIdInt int userId);
4181
4182
4183    /** {@hide} */
4184    @Deprecated
4185    public List<ResolveInfo> queryBroadcastReceivers(Intent intent,
4186            @ResolveInfoFlags int flags, @UserIdInt int userId) {
4187        final String msg = "Shame on you for calling the hidden API "
4188                + "queryBroadcastReceivers(). Shame!";
4189        if (VMRuntime.getRuntime().getTargetSdkVersion() >= Build.VERSION_CODES.O) {
4190            throw new UnsupportedOperationException(msg);
4191        } else {
4192            Log.d(TAG, msg);
4193            return queryBroadcastReceiversAsUser(intent, flags, userId);
4194        }
4195    }
4196
4197    /**
4198     * Determine the best service to handle for a given Intent.
4199     *
4200     * @param intent An intent containing all of the desired specification
4201     *            (action, data, type, category, and/or component).
4202     * @param flags Additional option flags to modify the data returned.
4203     * @return Returns a ResolveInfo object containing the final service intent
4204     *         that was determined to be the best action. Returns null if no
4205     *         matching service was found.
4206     */
4207    public abstract ResolveInfo resolveService(Intent intent, @ResolveInfoFlags int flags);
4208
4209    /**
4210     * @hide
4211     */
4212    public abstract ResolveInfo resolveServiceAsUser(Intent intent, @ResolveInfoFlags int flags,
4213            @UserIdInt int userId);
4214
4215    /**
4216     * Retrieve all services that can match the given intent.
4217     *
4218     * @param intent The desired intent as per resolveService().
4219     * @param flags Additional option flags to modify the data returned.
4220     * @return Returns a List of ResolveInfo objects containing one entry for
4221     *         each matching service, ordered from best to worst. In other
4222     *         words, the first item is what would be returned by
4223     *         {@link #resolveService}. If there are no matching services, an
4224     *         empty list or null is returned.
4225     */
4226    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
4227            @ResolveInfoFlags int flags);
4228
4229    /**
4230     * Retrieve all services that can match the given intent for a given user.
4231     *
4232     * @param intent The desired intent as per resolveService().
4233     * @param flags Additional option flags to modify the data returned.
4234     * @param userId The user id.
4235     * @return Returns a List of ResolveInfo objects containing one entry for
4236     *         each matching service, ordered from best to worst. In other
4237     *         words, the first item is what would be returned by
4238     *         {@link #resolveService}. If there are no matching services, an
4239     *         empty list or null is returned.
4240     * @hide
4241     */
4242    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
4243            @ResolveInfoFlags int flags, @UserIdInt int userId);
4244
4245    /**
4246     * Retrieve all providers that can match the given intent.
4247     *
4248     * @param intent An intent containing all of the desired specification
4249     *            (action, data, type, category, and/or component).
4250     * @param flags Additional option flags to modify the data returned.
4251     * @param userId The user id.
4252     * @return Returns a List of ResolveInfo objects containing one entry for
4253     *         each matching provider, ordered from best to worst. If there are
4254     *         no matching services, an empty list or null is returned.
4255     * @hide
4256     */
4257    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
4258            Intent intent, @ResolveInfoFlags int flags, @UserIdInt int userId);
4259
4260    /**
4261     * Retrieve all providers that can match the given intent.
4262     *
4263     * @param intent An intent containing all of the desired specification
4264     *            (action, data, type, category, and/or component).
4265     * @param flags Additional option flags to modify the data returned.
4266     * @return Returns a List of ResolveInfo objects containing one entry for
4267     *         each matching provider, ordered from best to worst. If there are
4268     *         no matching services, an empty list or null is returned.
4269     */
4270    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent,
4271            @ResolveInfoFlags int flags);
4272
4273    /**
4274     * Find a single content provider by its base path name.
4275     *
4276     * @param name The name of the provider to find.
4277     * @param flags Additional option flags to modify the data returned.
4278     * @return A {@link ProviderInfo} object containing information about the
4279     *         provider. If a provider was not found, returns null.
4280     */
4281    public abstract ProviderInfo resolveContentProvider(String name,
4282            @ComponentInfoFlags int flags);
4283
4284    /**
4285     * Find a single content provider by its base path name.
4286     *
4287     * @param name The name of the provider to find.
4288     * @param flags Additional option flags to modify the data returned.
4289     * @param userId The user id.
4290     * @return A {@link ProviderInfo} object containing information about the
4291     *         provider. If a provider was not found, returns null.
4292     * @hide
4293     */
4294    public abstract ProviderInfo resolveContentProviderAsUser(String name,
4295            @ComponentInfoFlags int flags, @UserIdInt int userId);
4296
4297    /**
4298     * Retrieve content provider information.
4299     * <p>
4300     * <em>Note: unlike most other methods, an empty result set is indicated
4301     * by a null return instead of an empty list.</em>
4302     *
4303     * @param processName If non-null, limits the returned providers to only
4304     *            those that are hosted by the given process. If null, all
4305     *            content providers are returned.
4306     * @param uid If <var>processName</var> is non-null, this is the required
4307     *            uid owning the requested content providers.
4308     * @param flags Additional option flags to modify the data returned.
4309     * @return A list of {@link ProviderInfo} objects containing one entry for
4310     *         each provider either matching <var>processName</var> or, if
4311     *         <var>processName</var> is null, all known content providers.
4312     *         <em>If there are no matching providers, null is returned.</em>
4313     */
4314    public abstract List<ProviderInfo> queryContentProviders(
4315            String processName, int uid, @ComponentInfoFlags int flags);
4316
4317    /**
4318     * Same as {@link #queryContentProviders}, except when {@code metaDataKey} is not null,
4319     * it only returns providers which have metadata with the {@code metaDataKey} key.
4320     *
4321     * <p>DO NOT USE the {@code metaDataKey} parameter, unless you're the contacts provider.
4322     * You really shouldn't need it.  Other apps should use {@link #queryIntentContentProviders}
4323     * instead.
4324     *
4325     * <p>The {@code metaDataKey} parameter was added to allow the contacts provider to quickly
4326     * scan the GAL providers on the device.  Unfortunately the discovery protocol used metadata
4327     * to mark GAL providers, rather than intent filters, so we can't use
4328     * {@link #queryIntentContentProviders} for that.
4329     *
4330     * @hide
4331     */
4332    public List<ProviderInfo> queryContentProviders(
4333            String processName, int uid, @ComponentInfoFlags int flags, String metaDataKey) {
4334        // Provide the default implementation for mocks.
4335        return queryContentProviders(processName, uid, flags);
4336    }
4337
4338    /**
4339     * Retrieve all of the information we know about a particular
4340     * instrumentation class.
4341     *
4342     * @param className The full name (i.e.
4343     *            com.google.apps.contacts.InstrumentList) of an Instrumentation
4344     *            class.
4345     * @param flags Additional option flags to modify the data returned.
4346     * @return An {@link InstrumentationInfo} object containing information
4347     *         about the instrumentation.
4348     * @throws NameNotFoundException if a package with the given name cannot be
4349     *             found on the system.
4350     */
4351    public abstract InstrumentationInfo getInstrumentationInfo(ComponentName className,
4352            @InstrumentationInfoFlags int flags) throws NameNotFoundException;
4353
4354    /**
4355     * Retrieve information about available instrumentation code. May be used to
4356     * retrieve either all instrumentation code, or only the code targeting a
4357     * particular package.
4358     *
4359     * @param targetPackage If null, all instrumentation is returned; only the
4360     *            instrumentation targeting this package name is returned.
4361     * @param flags Additional option flags to modify the data returned.
4362     * @return A list of {@link InstrumentationInfo} objects containing one
4363     *         entry for each matching instrumentation. If there are no
4364     *         instrumentation available, returns an empty list.
4365     */
4366    public abstract List<InstrumentationInfo> queryInstrumentation(String targetPackage,
4367            @InstrumentationInfoFlags int flags);
4368
4369    /**
4370     * Retrieve an image from a package.  This is a low-level API used by
4371     * the various package manager info structures (such as
4372     * {@link ComponentInfo} to implement retrieval of their associated
4373     * icon.
4374     *
4375     * @param packageName The name of the package that this icon is coming from.
4376     * Cannot be null.
4377     * @param resid The resource identifier of the desired image.  Cannot be 0.
4378     * @param appInfo Overall information about <var>packageName</var>.  This
4379     * may be null, in which case the application information will be retrieved
4380     * for you if needed; if you already have this information around, it can
4381     * be much more efficient to supply it here.
4382     *
4383     * @return Returns a Drawable holding the requested image.  Returns null if
4384     * an image could not be found for any reason.
4385     */
4386    public abstract Drawable getDrawable(String packageName, @DrawableRes int resid,
4387            ApplicationInfo appInfo);
4388
4389    /**
4390     * Retrieve the icon associated with an activity.  Given the full name of
4391     * an activity, retrieves the information about it and calls
4392     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
4393     * If the activity cannot be found, NameNotFoundException is thrown.
4394     *
4395     * @param activityName Name of the activity whose icon is to be retrieved.
4396     *
4397     * @return Returns the image of the icon, or the default activity icon if
4398     * it could not be found.  Does not return null.
4399     * @throws NameNotFoundException Thrown if the resources for the given
4400     * activity could not be loaded.
4401     *
4402     * @see #getActivityIcon(Intent)
4403     */
4404    public abstract Drawable getActivityIcon(ComponentName activityName)
4405            throws NameNotFoundException;
4406
4407    /**
4408     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
4409     * set, this simply returns the result of
4410     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
4411     * component and returns the icon associated with the resolved component.
4412     * If intent.getClassName() cannot be found or the Intent cannot be resolved
4413     * to a component, NameNotFoundException is thrown.
4414     *
4415     * @param intent The intent for which you would like to retrieve an icon.
4416     *
4417     * @return Returns the image of the icon, or the default activity icon if
4418     * it could not be found.  Does not return null.
4419     * @throws NameNotFoundException Thrown if the resources for application
4420     * matching the given intent could not be loaded.
4421     *
4422     * @see #getActivityIcon(ComponentName)
4423     */
4424    public abstract Drawable getActivityIcon(Intent intent)
4425            throws NameNotFoundException;
4426
4427    /**
4428     * Retrieve the banner associated with an activity. Given the full name of
4429     * an activity, retrieves the information about it and calls
4430     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
4431     * banner. If the activity cannot be found, NameNotFoundException is thrown.
4432     *
4433     * @param activityName Name of the activity whose banner is to be retrieved.
4434     * @return Returns the image of the banner, or null if the activity has no
4435     *         banner specified.
4436     * @throws NameNotFoundException Thrown if the resources for the given
4437     *             activity could not be loaded.
4438     * @see #getActivityBanner(Intent)
4439     */
4440    public abstract Drawable getActivityBanner(ComponentName activityName)
4441            throws NameNotFoundException;
4442
4443    /**
4444     * Retrieve the banner associated with an Intent. If intent.getClassName()
4445     * is set, this simply returns the result of
4446     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
4447     * intent's component and returns the banner associated with the resolved
4448     * component. If intent.getClassName() cannot be found or the Intent cannot
4449     * be resolved to a component, NameNotFoundException is thrown.
4450     *
4451     * @param intent The intent for which you would like to retrieve a banner.
4452     * @return Returns the image of the banner, or null if the activity has no
4453     *         banner specified.
4454     * @throws NameNotFoundException Thrown if the resources for application
4455     *             matching the given intent could not be loaded.
4456     * @see #getActivityBanner(ComponentName)
4457     */
4458    public abstract Drawable getActivityBanner(Intent intent)
4459            throws NameNotFoundException;
4460
4461    /**
4462     * Return the generic icon for an activity that is used when no specific
4463     * icon is defined.
4464     *
4465     * @return Drawable Image of the icon.
4466     */
4467    public abstract Drawable getDefaultActivityIcon();
4468
4469    /**
4470     * Retrieve the icon associated with an application.  If it has not defined
4471     * an icon, the default app icon is returned.  Does not return null.
4472     *
4473     * @param info Information about application being queried.
4474     *
4475     * @return Returns the image of the icon, or the default application icon
4476     * if it could not be found.
4477     *
4478     * @see #getApplicationIcon(String)
4479     */
4480    public abstract Drawable getApplicationIcon(ApplicationInfo info);
4481
4482    /**
4483     * Retrieve the icon associated with an application.  Given the name of the
4484     * application's package, retrieves the information about it and calls
4485     * getApplicationIcon() to return its icon. If the application cannot be
4486     * found, NameNotFoundException is thrown.
4487     *
4488     * @param packageName Name of the package whose application icon is to be
4489     *                    retrieved.
4490     *
4491     * @return Returns the image of the icon, or the default application icon
4492     * if it could not be found.  Does not return null.
4493     * @throws NameNotFoundException Thrown if the resources for the given
4494     * application could not be loaded.
4495     *
4496     * @see #getApplicationIcon(ApplicationInfo)
4497     */
4498    public abstract Drawable getApplicationIcon(String packageName)
4499            throws NameNotFoundException;
4500
4501    /**
4502     * Retrieve the banner associated with an application.
4503     *
4504     * @param info Information about application being queried.
4505     * @return Returns the image of the banner or null if the application has no
4506     *         banner specified.
4507     * @see #getApplicationBanner(String)
4508     */
4509    public abstract Drawable getApplicationBanner(ApplicationInfo info);
4510
4511    /**
4512     * Retrieve the banner associated with an application. Given the name of the
4513     * application's package, retrieves the information about it and calls
4514     * getApplicationIcon() to return its banner. If the application cannot be
4515     * found, NameNotFoundException is thrown.
4516     *
4517     * @param packageName Name of the package whose application banner is to be
4518     *            retrieved.
4519     * @return Returns the image of the banner or null if the application has no
4520     *         banner specified.
4521     * @throws NameNotFoundException Thrown if the resources for the given
4522     *             application could not be loaded.
4523     * @see #getApplicationBanner(ApplicationInfo)
4524     */
4525    public abstract Drawable getApplicationBanner(String packageName)
4526            throws NameNotFoundException;
4527
4528    /**
4529     * Retrieve the logo associated with an activity. Given the full name of an
4530     * activity, retrieves the information about it and calls
4531     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
4532     * logo. If the activity cannot be found, NameNotFoundException is thrown.
4533     *
4534     * @param activityName Name of the activity whose logo is to be retrieved.
4535     * @return Returns the image of the logo or null if the activity has no logo
4536     *         specified.
4537     * @throws NameNotFoundException Thrown if the resources for the given
4538     *             activity could not be loaded.
4539     * @see #getActivityLogo(Intent)
4540     */
4541    public abstract Drawable getActivityLogo(ComponentName activityName)
4542            throws NameNotFoundException;
4543
4544    /**
4545     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
4546     * set, this simply returns the result of
4547     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
4548     * component and returns the logo associated with the resolved component.
4549     * If intent.getClassName() cannot be found or the Intent cannot be resolved
4550     * to a component, NameNotFoundException is thrown.
4551     *
4552     * @param intent The intent for which you would like to retrieve a logo.
4553     *
4554     * @return Returns the image of the logo, or null if the activity has no
4555     * logo specified.
4556     *
4557     * @throws NameNotFoundException Thrown if the resources for application
4558     * matching the given intent could not be loaded.
4559     *
4560     * @see #getActivityLogo(ComponentName)
4561     */
4562    public abstract Drawable getActivityLogo(Intent intent)
4563            throws NameNotFoundException;
4564
4565    /**
4566     * Retrieve the logo associated with an application.  If it has not specified
4567     * a logo, this method returns null.
4568     *
4569     * @param info Information about application being queried.
4570     *
4571     * @return Returns the image of the logo, or null if no logo is specified
4572     * by the application.
4573     *
4574     * @see #getApplicationLogo(String)
4575     */
4576    public abstract Drawable getApplicationLogo(ApplicationInfo info);
4577
4578    /**
4579     * Retrieve the logo associated with an application.  Given the name of the
4580     * application's package, retrieves the information about it and calls
4581     * getApplicationLogo() to return its logo. If the application cannot be
4582     * found, NameNotFoundException is thrown.
4583     *
4584     * @param packageName Name of the package whose application logo is to be
4585     *                    retrieved.
4586     *
4587     * @return Returns the image of the logo, or null if no application logo
4588     * has been specified.
4589     *
4590     * @throws NameNotFoundException Thrown if the resources for the given
4591     * application could not be loaded.
4592     *
4593     * @see #getApplicationLogo(ApplicationInfo)
4594     */
4595    public abstract Drawable getApplicationLogo(String packageName)
4596            throws NameNotFoundException;
4597
4598    /**
4599     * If the target user is a managed profile, then this returns a badged copy of the given icon
4600     * to be able to distinguish it from the original icon. For badging an arbitrary drawable use
4601     * {@link #getUserBadgedDrawableForDensity(
4602     * android.graphics.drawable.Drawable, UserHandle, android.graphics.Rect, int)}.
4603     * <p>
4604     * If the original drawable is a BitmapDrawable and the backing bitmap is
4605     * mutable as per {@link android.graphics.Bitmap#isMutable()}, the badging
4606     * is performed in place and the original drawable is returned.
4607     * </p>
4608     *
4609     * @param icon The icon to badge.
4610     * @param user The target user.
4611     * @return A drawable that combines the original icon and a badge as
4612     *         determined by the system.
4613     */
4614    public abstract Drawable getUserBadgedIcon(Drawable icon, UserHandle user);
4615
4616    /**
4617     * If the target user is a managed profile of the calling user or the caller
4618     * is itself a managed profile, then this returns a badged copy of the given
4619     * drawable allowing the user to distinguish it from the original drawable.
4620     * The caller can specify the location in the bounds of the drawable to be
4621     * badged where the badge should be applied as well as the density of the
4622     * badge to be used.
4623     * <p>
4624     * If the original drawable is a BitmapDrawable and the backing bitmap is
4625     * mutable as per {@link android.graphics.Bitmap#isMutable()}, the badging
4626     * is performed in place and the original drawable is returned.
4627     * </p>
4628     *
4629     * @param drawable The drawable to badge.
4630     * @param user The target user.
4631     * @param badgeLocation Where in the bounds of the badged drawable to place
4632     *         the badge. If it's {@code null}, the badge is applied on top of the entire
4633     *         drawable being badged.
4634     * @param badgeDensity The optional desired density for the badge as per
4635     *         {@link android.util.DisplayMetrics#densityDpi}. If it's not positive,
4636     *         the density of the display is used.
4637     * @return A drawable that combines the original drawable and a badge as
4638     *         determined by the system.
4639     */
4640    public abstract Drawable getUserBadgedDrawableForDensity(Drawable drawable,
4641            UserHandle user, Rect badgeLocation, int badgeDensity);
4642
4643    /**
4644     * If the target user is a managed profile of the calling user or the caller
4645     * is itself a managed profile, then this returns a drawable to use as a small
4646     * icon to include in a view to distinguish it from the original icon.
4647     *
4648     * @param user The target user.
4649     * @param density The optional desired density for the badge as per
4650     *         {@link android.util.DisplayMetrics#densityDpi}. If not provided
4651     *         the density of the current display is used.
4652     * @return the drawable or null if no drawable is required.
4653     * @hide
4654     */
4655    public abstract Drawable getUserBadgeForDensity(UserHandle user, int density);
4656
4657    /**
4658     * If the target user is a managed profile of the calling user or the caller
4659     * is itself a managed profile, then this returns a drawable to use as a small
4660     * icon to include in a view to distinguish it from the original icon. This version
4661     * doesn't have background protection and should be used over a light background instead of
4662     * a badge.
4663     *
4664     * @param user The target user.
4665     * @param density The optional desired density for the badge as per
4666     *         {@link android.util.DisplayMetrics#densityDpi}. If not provided
4667     *         the density of the current display is used.
4668     * @return the drawable or null if no drawable is required.
4669     * @hide
4670     */
4671    public abstract Drawable getUserBadgeForDensityNoBackground(UserHandle user, int density);
4672
4673    /**
4674     * If the target user is a managed profile of the calling user or the caller
4675     * is itself a managed profile, then this returns a copy of the label with
4676     * badging for accessibility services like talkback. E.g. passing in "Email"
4677     * and it might return "Work Email" for Email in the work profile.
4678     *
4679     * @param label The label to change.
4680     * @param user The target user.
4681     * @return A label that combines the original label and a badge as
4682     *         determined by the system.
4683     */
4684    public abstract CharSequence getUserBadgedLabel(CharSequence label, UserHandle user);
4685
4686    /**
4687     * Retrieve text from a package.  This is a low-level API used by
4688     * the various package manager info structures (such as
4689     * {@link ComponentInfo} to implement retrieval of their associated
4690     * labels and other text.
4691     *
4692     * @param packageName The name of the package that this text is coming from.
4693     * Cannot be null.
4694     * @param resid The resource identifier of the desired text.  Cannot be 0.
4695     * @param appInfo Overall information about <var>packageName</var>.  This
4696     * may be null, in which case the application information will be retrieved
4697     * for you if needed; if you already have this information around, it can
4698     * be much more efficient to supply it here.
4699     *
4700     * @return Returns a CharSequence holding the requested text.  Returns null
4701     * if the text could not be found for any reason.
4702     */
4703    public abstract CharSequence getText(String packageName, @StringRes int resid,
4704            ApplicationInfo appInfo);
4705
4706    /**
4707     * Retrieve an XML file from a package.  This is a low-level API used to
4708     * retrieve XML meta data.
4709     *
4710     * @param packageName The name of the package that this xml is coming from.
4711     * Cannot be null.
4712     * @param resid The resource identifier of the desired xml.  Cannot be 0.
4713     * @param appInfo Overall information about <var>packageName</var>.  This
4714     * may be null, in which case the application information will be retrieved
4715     * for you if needed; if you already have this information around, it can
4716     * be much more efficient to supply it here.
4717     *
4718     * @return Returns an XmlPullParser allowing you to parse out the XML
4719     * data.  Returns null if the xml resource could not be found for any
4720     * reason.
4721     */
4722    public abstract XmlResourceParser getXml(String packageName, @XmlRes int resid,
4723            ApplicationInfo appInfo);
4724
4725    /**
4726     * Return the label to use for this application.
4727     *
4728     * @return Returns the label associated with this application, or null if
4729     * it could not be found for any reason.
4730     * @param info The application to get the label of.
4731     */
4732    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
4733
4734    /**
4735     * Retrieve the resources associated with an activity.  Given the full
4736     * name of an activity, retrieves the information about it and calls
4737     * getResources() to return its application's resources.  If the activity
4738     * cannot be found, NameNotFoundException is thrown.
4739     *
4740     * @param activityName Name of the activity whose resources are to be
4741     *                     retrieved.
4742     *
4743     * @return Returns the application's Resources.
4744     * @throws NameNotFoundException Thrown if the resources for the given
4745     * application could not be loaded.
4746     *
4747     * @see #getResourcesForApplication(ApplicationInfo)
4748     */
4749    public abstract Resources getResourcesForActivity(ComponentName activityName)
4750            throws NameNotFoundException;
4751
4752    /**
4753     * Retrieve the resources for an application.  Throws NameNotFoundException
4754     * if the package is no longer installed.
4755     *
4756     * @param app Information about the desired application.
4757     *
4758     * @return Returns the application's Resources.
4759     * @throws NameNotFoundException Thrown if the resources for the given
4760     * application could not be loaded (most likely because it was uninstalled).
4761     */
4762    public abstract Resources getResourcesForApplication(ApplicationInfo app)
4763            throws NameNotFoundException;
4764
4765    /**
4766     * Retrieve the resources associated with an application.  Given the full
4767     * package name of an application, retrieves the information about it and
4768     * calls getResources() to return its application's resources.  If the
4769     * appPackageName cannot be found, NameNotFoundException is thrown.
4770     *
4771     * @param appPackageName Package name of the application whose resources
4772     *                       are to be retrieved.
4773     *
4774     * @return Returns the application's Resources.
4775     * @throws NameNotFoundException Thrown if the resources for the given
4776     * application could not be loaded.
4777     *
4778     * @see #getResourcesForApplication(ApplicationInfo)
4779     */
4780    public abstract Resources getResourcesForApplication(String appPackageName)
4781            throws NameNotFoundException;
4782
4783    /** @hide */
4784    public abstract Resources getResourcesForApplicationAsUser(String appPackageName,
4785            @UserIdInt int userId) throws NameNotFoundException;
4786
4787    /**
4788     * Retrieve overall information about an application package defined in a
4789     * package archive file
4790     *
4791     * @param archiveFilePath The path to the archive file
4792     * @param flags Additional option flags to modify the data returned.
4793     * @return A PackageInfo object containing information about the package
4794     *         archive. If the package could not be parsed, returns null.
4795     */
4796    public PackageInfo getPackageArchiveInfo(String archiveFilePath, @PackageInfoFlags int flags) {
4797        final PackageParser parser = new PackageParser();
4798        parser.setCallback(new PackageParser.CallbackImpl(this));
4799        final File apkFile = new File(archiveFilePath);
4800        try {
4801            if ((flags & (MATCH_DIRECT_BOOT_UNAWARE | MATCH_DIRECT_BOOT_AWARE)) != 0) {
4802                // Caller expressed an explicit opinion about what encryption
4803                // aware/unaware components they want to see, so fall through and
4804                // give them what they want
4805            } else {
4806                // Caller expressed no opinion, so match everything
4807                flags |= MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE;
4808            }
4809
4810            PackageParser.Package pkg = parser.parseMonolithicPackage(apkFile, 0);
4811            if ((flags & GET_SIGNATURES) != 0) {
4812                PackageParser.collectCertificates(pkg, false /* skipVerify */);
4813            }
4814            PackageUserState state = new PackageUserState();
4815            return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
4816        } catch (PackageParserException e) {
4817            return null;
4818        }
4819    }
4820
4821    /**
4822     * If there is already an application with the given package name installed
4823     * on the system for other users, also install it for the calling user.
4824     * @hide
4825     */
4826    @SystemApi
4827    public abstract int installExistingPackage(String packageName) throws NameNotFoundException;
4828
4829    /**
4830     * If there is already an application with the given package name installed
4831     * on the system for other users, also install it for the calling user.
4832     * @hide
4833     */
4834    @SystemApi
4835    public abstract int installExistingPackage(String packageName, @InstallReason int installReason)
4836            throws NameNotFoundException;
4837
4838    /**
4839     * If there is already an application with the given package name installed
4840     * on the system for other users, also install it for the specified user.
4841     * @hide
4842     */
4843     @RequiresPermission(anyOf = {
4844            Manifest.permission.INSTALL_PACKAGES,
4845            Manifest.permission.INTERACT_ACROSS_USERS_FULL})
4846    public abstract int installExistingPackageAsUser(String packageName, @UserIdInt int userId)
4847            throws NameNotFoundException;
4848
4849    /**
4850     * Allows a package listening to the
4851     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
4852     * broadcast} to respond to the package manager. The response must include
4853     * the {@code verificationCode} which is one of
4854     * {@link PackageManager#VERIFICATION_ALLOW} or
4855     * {@link PackageManager#VERIFICATION_REJECT}.
4856     *
4857     * @param id pending package identifier as passed via the
4858     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
4859     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
4860     *            or {@link PackageManager#VERIFICATION_REJECT}.
4861     * @throws SecurityException if the caller does not have the
4862     *            PACKAGE_VERIFICATION_AGENT permission.
4863     */
4864    public abstract void verifyPendingInstall(int id, int verificationCode);
4865
4866    /**
4867     * Allows a package listening to the
4868     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
4869     * broadcast} to extend the default timeout for a response and declare what
4870     * action to perform after the timeout occurs. The response must include
4871     * the {@code verificationCodeAtTimeout} which is one of
4872     * {@link PackageManager#VERIFICATION_ALLOW} or
4873     * {@link PackageManager#VERIFICATION_REJECT}.
4874     *
4875     * This method may only be called once per package id. Additional calls
4876     * will have no effect.
4877     *
4878     * @param id pending package identifier as passed via the
4879     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
4880     * @param verificationCodeAtTimeout either
4881     *            {@link PackageManager#VERIFICATION_ALLOW} or
4882     *            {@link PackageManager#VERIFICATION_REJECT}. If
4883     *            {@code verificationCodeAtTimeout} is neither
4884     *            {@link PackageManager#VERIFICATION_ALLOW} or
4885     *            {@link PackageManager#VERIFICATION_REJECT}, then
4886     *            {@code verificationCodeAtTimeout} will default to
4887     *            {@link PackageManager#VERIFICATION_REJECT}.
4888     * @param millisecondsToDelay the amount of time requested for the timeout.
4889     *            Must be positive and less than
4890     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
4891     *            {@code millisecondsToDelay} is out of bounds,
4892     *            {@code millisecondsToDelay} will be set to the closest in
4893     *            bounds value; namely, 0 or
4894     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
4895     * @throws SecurityException if the caller does not have the
4896     *            PACKAGE_VERIFICATION_AGENT permission.
4897     */
4898    public abstract void extendVerificationTimeout(int id,
4899            int verificationCodeAtTimeout, long millisecondsToDelay);
4900
4901    /**
4902     * Allows a package listening to the
4903     * {@link Intent#ACTION_INTENT_FILTER_NEEDS_VERIFICATION} intent filter verification
4904     * broadcast to respond to the package manager. The response must include
4905     * the {@code verificationCode} which is one of
4906     * {@link PackageManager#INTENT_FILTER_VERIFICATION_SUCCESS} or
4907     * {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}.
4908     *
4909     * @param verificationId pending package identifier as passed via the
4910     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
4911     * @param verificationCode either {@link PackageManager#INTENT_FILTER_VERIFICATION_SUCCESS}
4912     *            or {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}.
4913     * @param failedDomains a list of failed domains if the verificationCode is
4914     *            {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}, otherwise null;
4915     * @throws SecurityException if the caller does not have the
4916     *            INTENT_FILTER_VERIFICATION_AGENT permission.
4917     *
4918     * @hide
4919     */
4920    @SystemApi
4921    @RequiresPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT)
4922    public abstract void verifyIntentFilter(int verificationId, int verificationCode,
4923            List<String> failedDomains);
4924
4925    /**
4926     * Get the status of a Domain Verification Result for an IntentFilter. This is
4927     * related to the {@link android.content.IntentFilter#setAutoVerify(boolean)} and
4928     * {@link android.content.IntentFilter#getAutoVerify()}
4929     *
4930     * This is used by the ResolverActivity to change the status depending on what the User select
4931     * in the Disambiguation Dialog and also used by the Settings App for changing the default App
4932     * for a domain.
4933     *
4934     * @param packageName The package name of the Activity associated with the IntentFilter.
4935     * @param userId The user id.
4936     *
4937     * @return The status to set to. This can be
4938     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK} or
4939     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS} or
4940     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER} or
4941     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED}
4942     *
4943     * @hide
4944     */
4945    @SystemApi
4946    @RequiresPermission(Manifest.permission.INTERACT_ACROSS_USERS_FULL)
4947    public abstract int getIntentVerificationStatusAsUser(String packageName, @UserIdInt int userId);
4948
4949    /**
4950     * Allow to change the status of a Intent Verification status for all IntentFilter of an App.
4951     * This is related to the {@link android.content.IntentFilter#setAutoVerify(boolean)} and
4952     * {@link android.content.IntentFilter#getAutoVerify()}
4953     *
4954     * This is used by the ResolverActivity to change the status depending on what the User select
4955     * in the Disambiguation Dialog and also used by the Settings App for changing the default App
4956     * for a domain.
4957     *
4958     * @param packageName The package name of the Activity associated with the IntentFilter.
4959     * @param status The status to set to. This can be
4960     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK} or
4961     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS} or
4962     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER}
4963     * @param userId The user id.
4964     *
4965     * @return true if the status has been set. False otherwise.
4966     *
4967     * @hide
4968     */
4969    @SystemApi
4970    @RequiresPermission(android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
4971    public abstract boolean updateIntentVerificationStatusAsUser(String packageName, int status,
4972            @UserIdInt int userId);
4973
4974    /**
4975     * Get the list of IntentFilterVerificationInfo for a specific package and User.
4976     *
4977     * @param packageName the package name. When this parameter is set to a non null value,
4978     *                    the results will be filtered by the package name provided.
4979     *                    Otherwise, there will be no filtering and it will return a list
4980     *                    corresponding for all packages
4981     *
4982     * @return a list of IntentFilterVerificationInfo for a specific package.
4983     *
4984     * @hide
4985     */
4986    @SystemApi
4987    public abstract List<IntentFilterVerificationInfo> getIntentFilterVerifications(
4988            String packageName);
4989
4990    /**
4991     * Get the list of IntentFilter for a specific package.
4992     *
4993     * @param packageName the package name. This parameter is set to a non null value,
4994     *                    the list will contain all the IntentFilter for that package.
4995     *                    Otherwise, the list will be empty.
4996     *
4997     * @return a list of IntentFilter for a specific package.
4998     *
4999     * @hide
5000     */
5001    @SystemApi
5002    public abstract List<IntentFilter> getAllIntentFilters(String packageName);
5003
5004    /**
5005     * Get the default Browser package name for a specific user.
5006     *
5007     * @param userId The user id.
5008     *
5009     * @return the package name of the default Browser for the specified user. If the user id passed
5010     *         is -1 (all users) it will return a null value.
5011     *
5012     * @hide
5013     */
5014    @TestApi
5015    @SystemApi
5016    @RequiresPermission(Manifest.permission.INTERACT_ACROSS_USERS_FULL)
5017    public abstract String getDefaultBrowserPackageNameAsUser(@UserIdInt int userId);
5018
5019    /**
5020     * Set the default Browser package name for a specific user.
5021     *
5022     * @param packageName The package name of the default Browser.
5023     * @param userId The user id.
5024     *
5025     * @return true if the default Browser for the specified user has been set,
5026     *         otherwise return false. If the user id passed is -1 (all users) this call will not
5027     *         do anything and just return false.
5028     *
5029     * @hide
5030     */
5031    @SystemApi
5032    @RequiresPermission(allOf = {
5033            Manifest.permission.SET_PREFERRED_APPLICATIONS,
5034            Manifest.permission.INTERACT_ACROSS_USERS_FULL})
5035    public abstract boolean setDefaultBrowserPackageNameAsUser(String packageName,
5036            @UserIdInt int userId);
5037
5038    /**
5039     * Change the installer associated with a given package.  There are limitations
5040     * on how the installer package can be changed; in particular:
5041     * <ul>
5042     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
5043     * is not signed with the same certificate as the calling application.
5044     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
5045     * has an installer package, and that installer package is not signed with
5046     * the same certificate as the calling application.
5047     * </ul>
5048     *
5049     * @param targetPackage The installed package whose installer will be changed.
5050     * @param installerPackageName The package name of the new installer.  May be
5051     * null to clear the association.
5052     */
5053    public abstract void setInstallerPackageName(String targetPackage,
5054            String installerPackageName);
5055
5056    /** @hide */
5057    @SystemApi
5058    @RequiresPermission(Manifest.permission.INSTALL_PACKAGES)
5059    public abstract void setUpdateAvailable(String packageName, boolean updateAvaialble);
5060
5061    /**
5062     * Attempts to delete a package. Since this may take a little while, the
5063     * result will be posted back to the given observer. A deletion will fail if
5064     * the calling context lacks the
5065     * {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
5066     * named package cannot be found, or if the named package is a system
5067     * package.
5068     *
5069     * @param packageName The name of the package to delete
5070     * @param observer An observer callback to get notified when the package
5071     *            deletion is complete.
5072     *            {@link android.content.pm.IPackageDeleteObserver#packageDeleted}
5073     *            will be called when that happens. observer may be null to
5074     *            indicate that no callback is desired.
5075     * @hide
5076     */
5077    @RequiresPermission(Manifest.permission.DELETE_PACKAGES)
5078    public abstract void deletePackage(String packageName, IPackageDeleteObserver observer,
5079            @DeleteFlags int flags);
5080
5081    /**
5082     * Attempts to delete a package. Since this may take a little while, the
5083     * result will be posted back to the given observer. A deletion will fail if
5084     * the named package cannot be found, or if the named package is a system
5085     * package.
5086     *
5087     * @param packageName The name of the package to delete
5088     * @param observer An observer callback to get notified when the package
5089     *            deletion is complete.
5090     *            {@link android.content.pm.IPackageDeleteObserver#packageDeleted}
5091     *            will be called when that happens. observer may be null to
5092     *            indicate that no callback is desired.
5093     * @param userId The user Id
5094     * @hide
5095     */
5096    @RequiresPermission(anyOf = {
5097            Manifest.permission.DELETE_PACKAGES,
5098            Manifest.permission.INTERACT_ACROSS_USERS_FULL})
5099    public abstract void deletePackageAsUser(@NonNull String packageName,
5100            IPackageDeleteObserver observer, @DeleteFlags int flags, @UserIdInt int userId);
5101
5102    /**
5103     * Retrieve the package name of the application that installed a package. This identifies
5104     * which market the package came from.
5105     *
5106     * @param packageName The name of the package to query
5107     * @throws IllegalArgumentException if the given package name is not installed
5108     */
5109    public abstract String getInstallerPackageName(String packageName);
5110
5111    /**
5112     * Attempts to clear the user data directory of an application.
5113     * Since this may take a little while, the result will
5114     * be posted back to the given observer.  A deletion will fail if the
5115     * named package cannot be found, or if the named package is a "system package".
5116     *
5117     * @param packageName The name of the package
5118     * @param observer An observer callback to get notified when the operation is finished
5119     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
5120     * will be called when that happens.  observer may be null to indicate that
5121     * no callback is desired.
5122     *
5123     * @hide
5124     */
5125    public abstract void clearApplicationUserData(String packageName,
5126            IPackageDataObserver observer);
5127    /**
5128     * Attempts to delete the cache files associated with an application.
5129     * Since this may take a little while, the result will
5130     * be posted back to the given observer.  A deletion will fail if the calling context
5131     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
5132     * named package cannot be found, or if the named package is a "system package".
5133     *
5134     * @param packageName The name of the package to delete
5135     * @param observer An observer callback to get notified when the cache file deletion
5136     * is complete.
5137     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
5138     * will be called when that happens.  observer may be null to indicate that
5139     * no callback is desired.
5140     *
5141     * @hide
5142     */
5143    public abstract void deleteApplicationCacheFiles(String packageName,
5144            IPackageDataObserver observer);
5145
5146    /**
5147     * Attempts to delete the cache files associated with an application for a given user. Since
5148     * this may take a little while, the result will be posted back to the given observer. A
5149     * deletion will fail if the calling context lacks the
5150     * {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the named package
5151     * cannot be found, or if the named package is a "system package". If {@code userId} does not
5152     * belong to the calling user, the caller must have
5153     * {@link android.Manifest.permission#INTERACT_ACROSS_USERS} permission.
5154     *
5155     * @param packageName The name of the package to delete
5156     * @param userId the user for which the cache files needs to be deleted
5157     * @param observer An observer callback to get notified when the cache file deletion is
5158     *            complete.
5159     *            {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
5160     *            will be called when that happens. observer may be null to indicate that no
5161     *            callback is desired.
5162     * @hide
5163     */
5164    public abstract void deleteApplicationCacheFilesAsUser(String packageName, int userId,
5165            IPackageDataObserver observer);
5166
5167    /**
5168     * Free storage by deleting LRU sorted list of cache files across
5169     * all applications. If the currently available free storage
5170     * on the device is greater than or equal to the requested
5171     * free storage, no cache files are cleared. If the currently
5172     * available storage on the device is less than the requested
5173     * free storage, some or all of the cache files across
5174     * all applications are deleted (based on last accessed time)
5175     * to increase the free storage space on the device to
5176     * the requested value. There is no guarantee that clearing all
5177     * the cache files from all applications will clear up
5178     * enough storage to achieve the desired value.
5179     * @param freeStorageSize The number of bytes of storage to be
5180     * freed by the system. Say if freeStorageSize is XX,
5181     * and the current free storage is YY,
5182     * if XX is less than YY, just return. if not free XX-YY number
5183     * of bytes if possible.
5184     * @param observer call back used to notify when
5185     * the operation is completed
5186     *
5187     * @hide
5188     */
5189    public void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer) {
5190        freeStorageAndNotify(null, freeStorageSize, observer);
5191    }
5192
5193    /** {@hide} */
5194    public abstract void freeStorageAndNotify(String volumeUuid, long freeStorageSize,
5195            IPackageDataObserver observer);
5196
5197    /**
5198     * Free storage by deleting LRU sorted list of cache files across
5199     * all applications. If the currently available free storage
5200     * on the device is greater than or equal to the requested
5201     * free storage, no cache files are cleared. If the currently
5202     * available storage on the device is less than the requested
5203     * free storage, some or all of the cache files across
5204     * all applications are deleted (based on last accessed time)
5205     * to increase the free storage space on the device to
5206     * the requested value. There is no guarantee that clearing all
5207     * the cache files from all applications will clear up
5208     * enough storage to achieve the desired value.
5209     * @param freeStorageSize The number of bytes of storage to be
5210     * freed by the system. Say if freeStorageSize is XX,
5211     * and the current free storage is YY,
5212     * if XX is less than YY, just return. if not free XX-YY number
5213     * of bytes if possible.
5214     * @param pi IntentSender call back used to
5215     * notify when the operation is completed.May be null
5216     * to indicate that no call back is desired.
5217     *
5218     * @hide
5219     */
5220    public void freeStorage(long freeStorageSize, IntentSender pi) {
5221        freeStorage(null, freeStorageSize, pi);
5222    }
5223
5224    /** {@hide} */
5225    public abstract void freeStorage(String volumeUuid, long freeStorageSize, IntentSender pi);
5226
5227    /**
5228     * Retrieve the size information for a package.
5229     * Since this may take a little while, the result will
5230     * be posted back to the given observer.  The calling context
5231     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
5232     *
5233     * @param packageName The name of the package whose size information is to be retrieved
5234     * @param userId The user whose size information should be retrieved.
5235     * @param observer An observer callback to get notified when the operation
5236     * is complete.
5237     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
5238     * The observer's callback is invoked with a PackageStats object(containing the
5239     * code, data and cache sizes of the package) and a boolean value representing
5240     * the status of the operation. observer may be null to indicate that
5241     * no callback is desired.
5242     *
5243     * @deprecated use {@link StorageStatsManager} instead.
5244     * @hide
5245     */
5246    @Deprecated
5247    public abstract void getPackageSizeInfoAsUser(String packageName, @UserIdInt int userId,
5248            IPackageStatsObserver observer);
5249
5250    /**
5251     * Like {@link #getPackageSizeInfoAsUser(String, int, IPackageStatsObserver)}, but
5252     * returns the size for the calling user.
5253     *
5254     * @deprecated use {@link StorageStatsManager} instead.
5255     * @hide
5256     */
5257    @Deprecated
5258    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
5259        getPackageSizeInfoAsUser(packageName, getUserId(), observer);
5260    }
5261
5262    /**
5263     * @deprecated This function no longer does anything; it was an old
5264     * approach to managing preferred activities, which has been superseded
5265     * by (and conflicts with) the modern activity-based preferences.
5266     */
5267    @Deprecated
5268    public abstract void addPackageToPreferred(String packageName);
5269
5270    /**
5271     * @deprecated This function no longer does anything; it was an old
5272     * approach to managing preferred activities, which has been superseded
5273     * by (and conflicts with) the modern activity-based preferences.
5274     */
5275    @Deprecated
5276    public abstract void removePackageFromPreferred(String packageName);
5277
5278    /**
5279     * Retrieve the list of all currently configured preferred packages. The
5280     * first package on the list is the most preferred, the last is the least
5281     * preferred.
5282     *
5283     * @param flags Additional option flags to modify the data returned.
5284     * @return A List of PackageInfo objects, one for each preferred
5285     *         application, in order of preference.
5286     */
5287    public abstract List<PackageInfo> getPreferredPackages(@PackageInfoFlags int flags);
5288
5289    /**
5290     * @deprecated This is a protected API that should not have been available
5291     * to third party applications.  It is the platform's responsibility for
5292     * assigning preferred activities and this cannot be directly modified.
5293     *
5294     * Add a new preferred activity mapping to the system.  This will be used
5295     * to automatically select the given activity component when
5296     * {@link Context#startActivity(Intent) Context.startActivity()} finds
5297     * multiple matching activities and also matches the given filter.
5298     *
5299     * @param filter The set of intents under which this activity will be
5300     * made preferred.
5301     * @param match The IntentFilter match category that this preference
5302     * applies to.
5303     * @param set The set of activities that the user was picking from when
5304     * this preference was made.
5305     * @param activity The component name of the activity that is to be
5306     * preferred.
5307     */
5308    @Deprecated
5309    public abstract void addPreferredActivity(IntentFilter filter, int match,
5310            ComponentName[] set, ComponentName activity);
5311
5312    /**
5313     * Same as {@link #addPreferredActivity(IntentFilter, int,
5314            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
5315            to.
5316     * @hide
5317     */
5318    public void addPreferredActivityAsUser(IntentFilter filter, int match,
5319            ComponentName[] set, ComponentName activity, @UserIdInt int userId) {
5320        throw new RuntimeException("Not implemented. Must override in a subclass.");
5321    }
5322
5323    /**
5324     * @deprecated This is a protected API that should not have been available
5325     * to third party applications.  It is the platform's responsibility for
5326     * assigning preferred activities and this cannot be directly modified.
5327     *
5328     * Replaces an existing preferred activity mapping to the system, and if that were not present
5329     * adds a new preferred activity.  This will be used
5330     * to automatically select the given activity component when
5331     * {@link Context#startActivity(Intent) Context.startActivity()} finds
5332     * multiple matching activities and also matches the given filter.
5333     *
5334     * @param filter The set of intents under which this activity will be
5335     * made preferred.
5336     * @param match The IntentFilter match category that this preference
5337     * applies to.
5338     * @param set The set of activities that the user was picking from when
5339     * this preference was made.
5340     * @param activity The component name of the activity that is to be
5341     * preferred.
5342     * @hide
5343     */
5344    @Deprecated
5345    public abstract void replacePreferredActivity(IntentFilter filter, int match,
5346            ComponentName[] set, ComponentName activity);
5347
5348    /**
5349     * @hide
5350     */
5351    @Deprecated
5352    public void replacePreferredActivityAsUser(IntentFilter filter, int match,
5353           ComponentName[] set, ComponentName activity, @UserIdInt int userId) {
5354        throw new RuntimeException("Not implemented. Must override in a subclass.");
5355    }
5356
5357    /**
5358     * Remove all preferred activity mappings, previously added with
5359     * {@link #addPreferredActivity}, from the
5360     * system whose activities are implemented in the given package name.
5361     * An application can only clear its own package(s).
5362     *
5363     * @param packageName The name of the package whose preferred activity
5364     * mappings are to be removed.
5365     */
5366    public abstract void clearPackagePreferredActivities(String packageName);
5367
5368    /**
5369     * Retrieve all preferred activities, previously added with
5370     * {@link #addPreferredActivity}, that are
5371     * currently registered with the system.
5372     *
5373     * @param outFilters A required list in which to place the filters of all of the
5374     * preferred activities.
5375     * @param outActivities A required list in which to place the component names of
5376     * all of the preferred activities.
5377     * @param packageName An optional package in which you would like to limit
5378     * the list.  If null, all activities will be returned; if non-null, only
5379     * those activities in the given package are returned.
5380     *
5381     * @return Returns the total number of registered preferred activities
5382     * (the number of distinct IntentFilter records, not the number of unique
5383     * activity components) that were found.
5384     */
5385    public abstract int getPreferredActivities(@NonNull List<IntentFilter> outFilters,
5386            @NonNull List<ComponentName> outActivities, String packageName);
5387
5388    /**
5389     * Ask for the set of available 'home' activities and the current explicit
5390     * default, if any.
5391     * @hide
5392     */
5393    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
5394
5395    /**
5396     * Set the enabled setting for a package component (activity, receiver, service, provider).
5397     * This setting will override any enabled state which may have been set by the component in its
5398     * manifest.
5399     *
5400     * @param componentName The component to enable
5401     * @param newState The new enabled state for the component.
5402     * @param flags Optional behavior flags.
5403     */
5404    public abstract void setComponentEnabledSetting(ComponentName componentName,
5405            @EnabledState int newState, @EnabledFlags int flags);
5406
5407    /**
5408     * Return the enabled setting for a package component (activity,
5409     * receiver, service, provider).  This returns the last value set by
5410     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
5411     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
5412     * the value originally specified in the manifest has not been modified.
5413     *
5414     * @param componentName The component to retrieve.
5415     * @return Returns the current enabled state for the component.
5416     */
5417    public abstract @EnabledState int getComponentEnabledSetting(
5418            ComponentName componentName);
5419
5420    /**
5421     * Set the enabled setting for an application
5422     * This setting will override any enabled state which may have been set by the application in
5423     * its manifest.  It also overrides the enabled state set in the manifest for any of the
5424     * application's components.  It does not override any enabled state set by
5425     * {@link #setComponentEnabledSetting} for any of the application's components.
5426     *
5427     * @param packageName The package name of the application to enable
5428     * @param newState The new enabled state for the application.
5429     * @param flags Optional behavior flags.
5430     */
5431    public abstract void setApplicationEnabledSetting(String packageName,
5432            @EnabledState int newState, @EnabledFlags int flags);
5433
5434    /**
5435     * Return the enabled setting for an application. This returns
5436     * the last value set by
5437     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
5438     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
5439     * the value originally specified in the manifest has not been modified.
5440     *
5441     * @param packageName The package name of the application to retrieve.
5442     * @return Returns the current enabled state for the application.
5443     * @throws IllegalArgumentException if the named package does not exist.
5444     */
5445    public abstract @EnabledState int getApplicationEnabledSetting(String packageName);
5446
5447    /**
5448     * Flush the package restrictions for a given user to disk. This forces the package restrictions
5449     * like component and package enabled settings to be written to disk and avoids the delay that
5450     * is otherwise present when changing those settings.
5451     *
5452     * @param userId Ther userId of the user whose restrictions are to be flushed.
5453     * @hide
5454     */
5455    public abstract void flushPackageRestrictionsAsUser(int userId);
5456
5457    /**
5458     * Puts the package in a hidden state, which is almost like an uninstalled state,
5459     * making the package unavailable, but it doesn't remove the data or the actual
5460     * package file. Application can be unhidden by either resetting the hidden state
5461     * or by installing it, such as with {@link #installExistingPackage(String)}
5462     * @hide
5463     */
5464    public abstract boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden,
5465            UserHandle userHandle);
5466
5467    /**
5468     * Returns the hidden state of a package.
5469     * @see #setApplicationHiddenSettingAsUser(String, boolean, UserHandle)
5470     * @hide
5471     */
5472    public abstract boolean getApplicationHiddenSettingAsUser(String packageName,
5473            UserHandle userHandle);
5474
5475    /**
5476     * Return whether the device has been booted into safe mode.
5477     */
5478    public abstract boolean isSafeMode();
5479
5480    /**
5481     * Adds a listener for permission changes for installed packages.
5482     *
5483     * @param listener The listener to add.
5484     *
5485     * @hide
5486     */
5487    @SystemApi
5488    @RequiresPermission(Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS)
5489    public abstract void addOnPermissionsChangeListener(OnPermissionsChangedListener listener);
5490
5491    /**
5492     * Remvoes a listener for permission changes for installed packages.
5493     *
5494     * @param listener The listener to remove.
5495     *
5496     * @hide
5497     */
5498    @SystemApi
5499    @RequiresPermission(Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS)
5500    public abstract void removeOnPermissionsChangeListener(OnPermissionsChangedListener listener);
5501
5502    /**
5503     * Return the {@link KeySet} associated with the String alias for this
5504     * application.
5505     *
5506     * @param alias The alias for a given {@link KeySet} as defined in the
5507     *        application's AndroidManifest.xml.
5508     * @hide
5509     */
5510    public abstract KeySet getKeySetByAlias(String packageName, String alias);
5511
5512    /** Return the signing {@link KeySet} for this application.
5513     * @hide
5514     */
5515    public abstract KeySet getSigningKeySet(String packageName);
5516
5517    /**
5518     * Return whether the package denoted by packageName has been signed by all
5519     * of the keys specified by the {@link KeySet} ks.  This will return true if
5520     * the package has been signed by additional keys (a superset) as well.
5521     * Compare to {@link #isSignedByExactly(String packageName, KeySet ks)}.
5522     * @hide
5523     */
5524    public abstract boolean isSignedBy(String packageName, KeySet ks);
5525
5526    /**
5527     * Return whether the package denoted by packageName has been signed by all
5528     * of, and only, the keys specified by the {@link KeySet} ks. Compare to
5529     * {@link #isSignedBy(String packageName, KeySet ks)}.
5530     * @hide
5531     */
5532    public abstract boolean isSignedByExactly(String packageName, KeySet ks);
5533
5534    /**
5535     * Puts the package in a suspended state, where attempts at starting activities are denied.
5536     *
5537     * <p>It doesn't remove the data or the actual package file. The application's notifications
5538     * will be hidden, any of its started activities will be stopped and it will not be able to
5539     * show toasts or system alert windows or ring the device.
5540     *
5541     * <p>When the user tries to launch a suspended app, a system dialog with the given
5542     * {@code dialogMessage} will be shown instead. Since the message is supplied to the system as
5543     * a {@link String}, the caller needs to take care of localization as needed.
5544     * The dialog message can optionally contain a placeholder for the name of the suspended app.
5545     * The system uses {@link String#format(Locale, String, Object...) String.format} to insert the
5546     * app name into the message, so an example format string could be {@code "The app %1$s is
5547     * currently suspended"}. This makes it easier for callers to provide a single message which
5548     * works for all the packages being suspended in a single call.
5549     *
5550     * <p>The package must already be installed. If the package is uninstalled while suspended
5551     * the package will no longer be suspended. </p>
5552     *
5553     * <p>Optionally, the suspending app can provide extra information in the form of
5554     * {@link PersistableBundle} objects to be shared with the apps being suspended and the
5555     * launcher to support customization that they might need to handle the suspended state.
5556     *
5557     * <p>The caller must hold {@link Manifest.permission#SUSPEND_APPS} or
5558     * {@link Manifest.permission#MANAGE_USERS} to use this api.</p>
5559     *
5560     * @param packageNames The names of the packages to set the suspended status.
5561     * @param suspended If set to {@code true} than the packages will be suspended, if set to
5562     * {@code false}, the packages will be unsuspended.
5563     * @param appExtras An optional {@link PersistableBundle} that the suspending app can provide
5564     *                  which will be shared with the apps being suspended. Ignored if
5565     *                  {@code suspended} is false.
5566     * @param launcherExtras An optional {@link PersistableBundle} that the suspending app can
5567     *                       provide which will be shared with the launcher. Ignored if
5568     *                       {@code suspended} is false.
5569     * @param dialogMessage The message to be displayed to the user, when they try to launch a
5570     *                      suspended app.
5571     *
5572     * @return an array of package names for which the suspended status could not be set as
5573     * requested in this method.
5574     *
5575     * @hide
5576     */
5577    @SystemApi
5578    @RequiresPermission(anyOf = {Manifest.permission.SUSPEND_APPS,
5579            Manifest.permission.MANAGE_USERS})
5580    public String[] setPackagesSuspended(String[] packageNames, boolean suspended,
5581            @Nullable PersistableBundle appExtras, @Nullable PersistableBundle launcherExtras,
5582            String dialogMessage) {
5583        throw new UnsupportedOperationException("setPackagesSuspended not implemented");
5584    }
5585
5586    /**
5587     * @see #setPackagesSuspended(String[], boolean, PersistableBundle, PersistableBundle, String)
5588     * @param packageName The name of the package to get the suspended status of.
5589     * @param userId The user id.
5590     * @return {@code true} if the package is suspended or {@code false} if the package is not
5591     * suspended.
5592     * @throws IllegalArgumentException if the package was not found.
5593     * @hide
5594     */
5595    public abstract boolean isPackageSuspendedForUser(String packageName, int userId);
5596
5597    /**
5598     * Query if an app is currently suspended.
5599     *
5600     * @return {@code true} if the given package is suspended, {@code false} otherwise
5601     * @throws NameNotFoundException if the package could not be found.
5602     *
5603     * @see #setPackagesSuspended(String[], boolean, PersistableBundle, PersistableBundle, String)
5604     * @hide
5605     */
5606    @SystemApi
5607    public boolean isPackageSuspended(String packageName) throws NameNotFoundException {
5608        throw new UnsupportedOperationException("isPackageSuspended not implemented");
5609    }
5610
5611    /**
5612     * Apps can query this to know if they have been suspended. A system app with the permission
5613     * {@code android.permission.SUSPEND_APPS} can put any app on the device into a suspended state.
5614     *
5615     * <p>While in this state, the application's notifications will be hidden, any of its started
5616     * activities will be stopped and it will not be able to show toasts or dialogs or ring the
5617     * device. When the user tries to launch a suspended app, the system will, instead, show a
5618     * dialog to the user informing them that they cannot use this app while it is suspended.
5619     *
5620     * <p>When an app is put into this state, the broadcast action
5621     * {@link Intent#ACTION_MY_PACKAGE_SUSPENDED} will be delivered to any of its broadcast
5622     * receivers that included this action in their intent-filters, <em>including manifest
5623     * receivers.</em> Similarly, a broadcast action {@link Intent#ACTION_MY_PACKAGE_UNSUSPENDED}
5624     * is delivered when a previously suspended app is taken out of this state.
5625     * </p>
5626     *
5627     * @return {@code true} if the calling package has been suspended, {@code false} otherwise.
5628     *
5629     * @see #getSuspendedPackageAppExtras()
5630     * @see Intent#ACTION_MY_PACKAGE_SUSPENDED
5631     * @see Intent#ACTION_MY_PACKAGE_UNSUSPENDED
5632     */
5633    public boolean isPackageSuspended() {
5634        throw new UnsupportedOperationException("isPackageSuspended not implemented");
5635    }
5636
5637    /**
5638     * Returns a {@link Bundle} of extras that was meant to be sent to the calling app when it was
5639     * suspended. An app with the permission {@code android.permission.SUSPEND_APPS} can supply this
5640     * to the system at the time of suspending an app.
5641     *
5642     * <p>This is the same {@link Bundle} that is sent along with the broadcast
5643     * {@link Intent#ACTION_MY_PACKAGE_SUSPENDED}, whenever the app is suspended. The contents of
5644     * this {@link Bundle} are a contract between the suspended app and the suspending app.
5645     *
5646     * <p>Note: These extras are optional, so if no extras were supplied to the system, this method
5647     * will return {@code null}, even when the calling app has been suspended.
5648     *
5649     * @return A {@link Bundle} containing the extras for the app, or {@code null} if the
5650     * package is not currently suspended.
5651     *
5652     * @see #isPackageSuspended()
5653     * @see Intent#ACTION_MY_PACKAGE_UNSUSPENDED
5654     * @see Intent#ACTION_MY_PACKAGE_SUSPENDED
5655     * @see Intent#EXTRA_SUSPENDED_PACKAGE_EXTRAS
5656     */
5657    public @Nullable Bundle getSuspendedPackageAppExtras() {
5658        throw new UnsupportedOperationException("getSuspendedPackageAppExtras not implemented");
5659    }
5660
5661    /**
5662     * Provide a hint of what the {@link ApplicationInfo#category} value should
5663     * be for the given package.
5664     * <p>
5665     * This hint can only be set by the app which installed this package, as
5666     * determined by {@link #getInstallerPackageName(String)}.
5667     *
5668     * @param packageName the package to change the category hint for.
5669     * @param categoryHint the category hint to set.
5670     */
5671    public abstract void setApplicationCategoryHint(@NonNull String packageName,
5672            @ApplicationInfo.Category int categoryHint);
5673
5674    /** {@hide} */
5675    public static boolean isMoveStatusFinished(int status) {
5676        return (status < 0 || status > 100);
5677    }
5678
5679    /** {@hide} */
5680    public static abstract class MoveCallback {
5681        public void onCreated(int moveId, Bundle extras) {}
5682        public abstract void onStatusChanged(int moveId, int status, long estMillis);
5683    }
5684
5685    /** {@hide} */
5686    public abstract int getMoveStatus(int moveId);
5687
5688    /** {@hide} */
5689    public abstract void registerMoveCallback(MoveCallback callback, Handler handler);
5690    /** {@hide} */
5691    public abstract void unregisterMoveCallback(MoveCallback callback);
5692
5693    /** {@hide} */
5694    public abstract int movePackage(String packageName, VolumeInfo vol);
5695    /** {@hide} */
5696    public abstract @Nullable VolumeInfo getPackageCurrentVolume(ApplicationInfo app);
5697    /** {@hide} */
5698    public abstract @NonNull List<VolumeInfo> getPackageCandidateVolumes(ApplicationInfo app);
5699
5700    /** {@hide} */
5701    public abstract int movePrimaryStorage(VolumeInfo vol);
5702    /** {@hide} */
5703    public abstract @Nullable VolumeInfo getPrimaryStorageCurrentVolume();
5704    /** {@hide} */
5705    public abstract @NonNull List<VolumeInfo> getPrimaryStorageCandidateVolumes();
5706
5707    /**
5708     * Returns the device identity that verifiers can use to associate their scheme to a particular
5709     * device. This should not be used by anything other than a package verifier.
5710     *
5711     * @return identity that uniquely identifies current device
5712     * @hide
5713     */
5714    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
5715
5716    /**
5717     * Returns true if the device is upgrading, such as first boot after OTA.
5718     *
5719     * @hide
5720     */
5721    public abstract boolean isUpgrade();
5722
5723    /**
5724     * Return interface that offers the ability to install, upgrade, and remove
5725     * applications on the device.
5726     */
5727    public abstract @NonNull PackageInstaller getPackageInstaller();
5728
5729    /**
5730     * Adds a {@code CrossProfileIntentFilter}. After calling this method all
5731     * intents sent from the user with id sourceUserId can also be be resolved
5732     * by activities in the user with id targetUserId if they match the
5733     * specified intent filter.
5734     *
5735     * @param filter The {@link IntentFilter} the intent has to match
5736     * @param sourceUserId The source user id.
5737     * @param targetUserId The target user id.
5738     * @param flags The possible values are {@link #SKIP_CURRENT_PROFILE} and
5739     *            {@link #ONLY_IF_NO_MATCH_FOUND}.
5740     * @hide
5741     */
5742    public abstract void addCrossProfileIntentFilter(IntentFilter filter, int sourceUserId,
5743            int targetUserId, int flags);
5744
5745    /**
5746     * Clearing {@code CrossProfileIntentFilter}s which have the specified user
5747     * as their source, and have been set by the app calling this method.
5748     *
5749     * @param sourceUserId The source user id.
5750     * @hide
5751     */
5752    public abstract void clearCrossProfileIntentFilters(int sourceUserId);
5753
5754    /**
5755     * @hide
5756     */
5757    public abstract Drawable loadItemIcon(PackageItemInfo itemInfo, ApplicationInfo appInfo);
5758
5759    /**
5760     * @hide
5761     */
5762    public abstract Drawable loadUnbadgedItemIcon(PackageItemInfo itemInfo, ApplicationInfo appInfo);
5763
5764    /** {@hide} */
5765    public abstract boolean isPackageAvailable(String packageName);
5766
5767    /** {@hide} */
5768    public static String installStatusToString(int status, String msg) {
5769        final String str = installStatusToString(status);
5770        if (msg != null) {
5771            return str + ": " + msg;
5772        } else {
5773            return str;
5774        }
5775    }
5776
5777    /** {@hide} */
5778    public static String installStatusToString(int status) {
5779        switch (status) {
5780            case INSTALL_SUCCEEDED: return "INSTALL_SUCCEEDED";
5781            case INSTALL_FAILED_ALREADY_EXISTS: return "INSTALL_FAILED_ALREADY_EXISTS";
5782            case INSTALL_FAILED_INVALID_APK: return "INSTALL_FAILED_INVALID_APK";
5783            case INSTALL_FAILED_INVALID_URI: return "INSTALL_FAILED_INVALID_URI";
5784            case INSTALL_FAILED_INSUFFICIENT_STORAGE: return "INSTALL_FAILED_INSUFFICIENT_STORAGE";
5785            case INSTALL_FAILED_DUPLICATE_PACKAGE: return "INSTALL_FAILED_DUPLICATE_PACKAGE";
5786            case INSTALL_FAILED_NO_SHARED_USER: return "INSTALL_FAILED_NO_SHARED_USER";
5787            case INSTALL_FAILED_UPDATE_INCOMPATIBLE: return "INSTALL_FAILED_UPDATE_INCOMPATIBLE";
5788            case INSTALL_FAILED_SHARED_USER_INCOMPATIBLE: return "INSTALL_FAILED_SHARED_USER_INCOMPATIBLE";
5789            case INSTALL_FAILED_MISSING_SHARED_LIBRARY: return "INSTALL_FAILED_MISSING_SHARED_LIBRARY";
5790            case INSTALL_FAILED_REPLACE_COULDNT_DELETE: return "INSTALL_FAILED_REPLACE_COULDNT_DELETE";
5791            case INSTALL_FAILED_DEXOPT: return "INSTALL_FAILED_DEXOPT";
5792            case INSTALL_FAILED_OLDER_SDK: return "INSTALL_FAILED_OLDER_SDK";
5793            case INSTALL_FAILED_CONFLICTING_PROVIDER: return "INSTALL_FAILED_CONFLICTING_PROVIDER";
5794            case INSTALL_FAILED_NEWER_SDK: return "INSTALL_FAILED_NEWER_SDK";
5795            case INSTALL_FAILED_TEST_ONLY: return "INSTALL_FAILED_TEST_ONLY";
5796            case INSTALL_FAILED_CPU_ABI_INCOMPATIBLE: return "INSTALL_FAILED_CPU_ABI_INCOMPATIBLE";
5797            case INSTALL_FAILED_MISSING_FEATURE: return "INSTALL_FAILED_MISSING_FEATURE";
5798            case INSTALL_FAILED_CONTAINER_ERROR: return "INSTALL_FAILED_CONTAINER_ERROR";
5799            case INSTALL_FAILED_INVALID_INSTALL_LOCATION: return "INSTALL_FAILED_INVALID_INSTALL_LOCATION";
5800            case INSTALL_FAILED_MEDIA_UNAVAILABLE: return "INSTALL_FAILED_MEDIA_UNAVAILABLE";
5801            case INSTALL_FAILED_VERIFICATION_TIMEOUT: return "INSTALL_FAILED_VERIFICATION_TIMEOUT";
5802            case INSTALL_FAILED_VERIFICATION_FAILURE: return "INSTALL_FAILED_VERIFICATION_FAILURE";
5803            case INSTALL_FAILED_PACKAGE_CHANGED: return "INSTALL_FAILED_PACKAGE_CHANGED";
5804            case INSTALL_FAILED_UID_CHANGED: return "INSTALL_FAILED_UID_CHANGED";
5805            case INSTALL_FAILED_VERSION_DOWNGRADE: return "INSTALL_FAILED_VERSION_DOWNGRADE";
5806            case INSTALL_PARSE_FAILED_NOT_APK: return "INSTALL_PARSE_FAILED_NOT_APK";
5807            case INSTALL_PARSE_FAILED_BAD_MANIFEST: return "INSTALL_PARSE_FAILED_BAD_MANIFEST";
5808            case INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION: return "INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION";
5809            case INSTALL_PARSE_FAILED_NO_CERTIFICATES: return "INSTALL_PARSE_FAILED_NO_CERTIFICATES";
5810            case INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES: return "INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES";
5811            case INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING: return "INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING";
5812            case INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME: return "INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME";
5813            case INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID: return "INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID";
5814            case INSTALL_PARSE_FAILED_MANIFEST_MALFORMED: return "INSTALL_PARSE_FAILED_MANIFEST_MALFORMED";
5815            case INSTALL_PARSE_FAILED_MANIFEST_EMPTY: return "INSTALL_PARSE_FAILED_MANIFEST_EMPTY";
5816            case INSTALL_FAILED_INTERNAL_ERROR: return "INSTALL_FAILED_INTERNAL_ERROR";
5817            case INSTALL_FAILED_USER_RESTRICTED: return "INSTALL_FAILED_USER_RESTRICTED";
5818            case INSTALL_FAILED_DUPLICATE_PERMISSION: return "INSTALL_FAILED_DUPLICATE_PERMISSION";
5819            case INSTALL_FAILED_NO_MATCHING_ABIS: return "INSTALL_FAILED_NO_MATCHING_ABIS";
5820            case INSTALL_FAILED_ABORTED: return "INSTALL_FAILED_ABORTED";
5821            case INSTALL_FAILED_BAD_DEX_METADATA:
5822                return "INSTALL_FAILED_BAD_DEX_METADATA";
5823            default: return Integer.toString(status);
5824        }
5825    }
5826
5827    /** {@hide} */
5828    public static int installStatusToPublicStatus(int status) {
5829        switch (status) {
5830            case INSTALL_SUCCEEDED: return PackageInstaller.STATUS_SUCCESS;
5831            case INSTALL_FAILED_ALREADY_EXISTS: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5832            case INSTALL_FAILED_INVALID_APK: return PackageInstaller.STATUS_FAILURE_INVALID;
5833            case INSTALL_FAILED_INVALID_URI: return PackageInstaller.STATUS_FAILURE_INVALID;
5834            case INSTALL_FAILED_INSUFFICIENT_STORAGE: return PackageInstaller.STATUS_FAILURE_STORAGE;
5835            case INSTALL_FAILED_DUPLICATE_PACKAGE: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5836            case INSTALL_FAILED_NO_SHARED_USER: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5837            case INSTALL_FAILED_UPDATE_INCOMPATIBLE: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5838            case INSTALL_FAILED_SHARED_USER_INCOMPATIBLE: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5839            case INSTALL_FAILED_MISSING_SHARED_LIBRARY: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5840            case INSTALL_FAILED_REPLACE_COULDNT_DELETE: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5841            case INSTALL_FAILED_DEXOPT: return PackageInstaller.STATUS_FAILURE_INVALID;
5842            case INSTALL_FAILED_OLDER_SDK: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5843            case INSTALL_FAILED_CONFLICTING_PROVIDER: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5844            case INSTALL_FAILED_NEWER_SDK: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5845            case INSTALL_FAILED_TEST_ONLY: return PackageInstaller.STATUS_FAILURE_INVALID;
5846            case INSTALL_FAILED_CPU_ABI_INCOMPATIBLE: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5847            case INSTALL_FAILED_MISSING_FEATURE: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5848            case INSTALL_FAILED_CONTAINER_ERROR: return PackageInstaller.STATUS_FAILURE_STORAGE;
5849            case INSTALL_FAILED_INVALID_INSTALL_LOCATION: return PackageInstaller.STATUS_FAILURE_STORAGE;
5850            case INSTALL_FAILED_MEDIA_UNAVAILABLE: return PackageInstaller.STATUS_FAILURE_STORAGE;
5851            case INSTALL_FAILED_VERIFICATION_TIMEOUT: return PackageInstaller.STATUS_FAILURE_ABORTED;
5852            case INSTALL_FAILED_VERIFICATION_FAILURE: return PackageInstaller.STATUS_FAILURE_ABORTED;
5853            case INSTALL_FAILED_PACKAGE_CHANGED: return PackageInstaller.STATUS_FAILURE_INVALID;
5854            case INSTALL_FAILED_UID_CHANGED: return PackageInstaller.STATUS_FAILURE_INVALID;
5855            case INSTALL_FAILED_VERSION_DOWNGRADE: return PackageInstaller.STATUS_FAILURE_INVALID;
5856            case INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE: return PackageInstaller.STATUS_FAILURE_INVALID;
5857            case INSTALL_PARSE_FAILED_NOT_APK: return PackageInstaller.STATUS_FAILURE_INVALID;
5858            case INSTALL_PARSE_FAILED_BAD_MANIFEST: return PackageInstaller.STATUS_FAILURE_INVALID;
5859            case INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION: return PackageInstaller.STATUS_FAILURE_INVALID;
5860            case INSTALL_PARSE_FAILED_NO_CERTIFICATES: return PackageInstaller.STATUS_FAILURE_INVALID;
5861            case INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES: return PackageInstaller.STATUS_FAILURE_INVALID;
5862            case INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING: return PackageInstaller.STATUS_FAILURE_INVALID;
5863            case INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME: return PackageInstaller.STATUS_FAILURE_INVALID;
5864            case INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID: return PackageInstaller.STATUS_FAILURE_INVALID;
5865            case INSTALL_PARSE_FAILED_MANIFEST_MALFORMED: return PackageInstaller.STATUS_FAILURE_INVALID;
5866            case INSTALL_PARSE_FAILED_MANIFEST_EMPTY: return PackageInstaller.STATUS_FAILURE_INVALID;
5867            case INSTALL_FAILED_BAD_DEX_METADATA: return PackageInstaller.STATUS_FAILURE_INVALID;
5868            case INSTALL_FAILED_INTERNAL_ERROR: return PackageInstaller.STATUS_FAILURE;
5869            case INSTALL_FAILED_USER_RESTRICTED: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5870            case INSTALL_FAILED_DUPLICATE_PERMISSION: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5871            case INSTALL_FAILED_NO_MATCHING_ABIS: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5872            case INSTALL_FAILED_ABORTED: return PackageInstaller.STATUS_FAILURE_ABORTED;
5873            default: return PackageInstaller.STATUS_FAILURE;
5874        }
5875    }
5876
5877    /** {@hide} */
5878    public static String deleteStatusToString(int status, String msg) {
5879        final String str = deleteStatusToString(status);
5880        if (msg != null) {
5881            return str + ": " + msg;
5882        } else {
5883            return str;
5884        }
5885    }
5886
5887    /** {@hide} */
5888    public static String deleteStatusToString(int status) {
5889        switch (status) {
5890            case DELETE_SUCCEEDED: return "DELETE_SUCCEEDED";
5891            case DELETE_FAILED_INTERNAL_ERROR: return "DELETE_FAILED_INTERNAL_ERROR";
5892            case DELETE_FAILED_DEVICE_POLICY_MANAGER: return "DELETE_FAILED_DEVICE_POLICY_MANAGER";
5893            case DELETE_FAILED_USER_RESTRICTED: return "DELETE_FAILED_USER_RESTRICTED";
5894            case DELETE_FAILED_OWNER_BLOCKED: return "DELETE_FAILED_OWNER_BLOCKED";
5895            case DELETE_FAILED_ABORTED: return "DELETE_FAILED_ABORTED";
5896            case DELETE_FAILED_USED_SHARED_LIBRARY: return "DELETE_FAILED_USED_SHARED_LIBRARY";
5897            default: return Integer.toString(status);
5898        }
5899    }
5900
5901    /** {@hide} */
5902    public static int deleteStatusToPublicStatus(int status) {
5903        switch (status) {
5904            case DELETE_SUCCEEDED: return PackageInstaller.STATUS_SUCCESS;
5905            case DELETE_FAILED_INTERNAL_ERROR: return PackageInstaller.STATUS_FAILURE;
5906            case DELETE_FAILED_DEVICE_POLICY_MANAGER: return PackageInstaller.STATUS_FAILURE_BLOCKED;
5907            case DELETE_FAILED_USER_RESTRICTED: return PackageInstaller.STATUS_FAILURE_BLOCKED;
5908            case DELETE_FAILED_OWNER_BLOCKED: return PackageInstaller.STATUS_FAILURE_BLOCKED;
5909            case DELETE_FAILED_ABORTED: return PackageInstaller.STATUS_FAILURE_ABORTED;
5910            case DELETE_FAILED_USED_SHARED_LIBRARY: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5911            default: return PackageInstaller.STATUS_FAILURE;
5912        }
5913    }
5914
5915    /** {@hide} */
5916    public static String permissionFlagToString(int flag) {
5917        switch (flag) {
5918            case FLAG_PERMISSION_GRANTED_BY_DEFAULT: return "GRANTED_BY_DEFAULT";
5919            case FLAG_PERMISSION_POLICY_FIXED: return "POLICY_FIXED";
5920            case FLAG_PERMISSION_SYSTEM_FIXED: return "SYSTEM_FIXED";
5921            case FLAG_PERMISSION_USER_SET: return "USER_SET";
5922            case FLAG_PERMISSION_REVOKE_ON_UPGRADE: return "REVOKE_ON_UPGRADE";
5923            case FLAG_PERMISSION_USER_FIXED: return "USER_FIXED";
5924            case FLAG_PERMISSION_REVIEW_REQUIRED: return "REVIEW_REQUIRED";
5925            default: return Integer.toString(flag);
5926        }
5927    }
5928
5929    /** {@hide} */
5930    public static class LegacyPackageDeleteObserver extends PackageDeleteObserver {
5931        private final IPackageDeleteObserver mLegacy;
5932
5933        public LegacyPackageDeleteObserver(IPackageDeleteObserver legacy) {
5934            mLegacy = legacy;
5935        }
5936
5937        @Override
5938        public void onPackageDeleted(String basePackageName, int returnCode, String msg) {
5939            if (mLegacy == null) return;
5940            try {
5941                mLegacy.packageDeleted(basePackageName, returnCode);
5942            } catch (RemoteException ignored) {
5943            }
5944        }
5945    }
5946
5947    /**
5948     * Return the install reason that was recorded when a package was first
5949     * installed for a specific user. Requesting the install reason for another
5950     * user will require the permission INTERACT_ACROSS_USERS_FULL.
5951     *
5952     * @param packageName The package for which to retrieve the install reason
5953     * @param user The user for whom to retrieve the install reason
5954     * @return The install reason. If the package is not installed for the given
5955     *         user, {@code INSTALL_REASON_UNKNOWN} is returned.
5956     * @hide
5957     */
5958    @TestApi
5959    public abstract @InstallReason int getInstallReason(String packageName,
5960            @NonNull UserHandle user);
5961
5962    /**
5963     * Checks whether the calling package is allowed to request package installs through package
5964     * installer. Apps are encouraged to call this API before launching the package installer via
5965     * intent {@link android.content.Intent#ACTION_INSTALL_PACKAGE}. Starting from Android O, the
5966     * user can explicitly choose what external sources they trust to install apps on the device.
5967     * If this API returns false, the install request will be blocked by the package installer and
5968     * a dialog will be shown to the user with an option to launch settings to change their
5969     * preference. An application must target Android O or higher and declare permission
5970     * {@link android.Manifest.permission#REQUEST_INSTALL_PACKAGES} in order to use this API.
5971     *
5972     * @return true if the calling package is trusted by the user to request install packages on
5973     * the device, false otherwise.
5974     * @see android.content.Intent#ACTION_INSTALL_PACKAGE
5975     * @see android.provider.Settings#ACTION_MANAGE_UNKNOWN_APP_SOURCES
5976     */
5977    public abstract boolean canRequestPackageInstalls();
5978
5979    /**
5980     * Return the {@link ComponentName} of the activity providing Settings for the Instant App
5981     * resolver.
5982     *
5983     * @see {@link android.content.Intent#ACTION_INSTANT_APP_RESOLVER_SETTINGS}
5984     * @hide
5985     */
5986    @SystemApi
5987    public abstract ComponentName getInstantAppResolverSettingsComponent();
5988
5989    /**
5990     * Return the {@link ComponentName} of the activity responsible for installing instant
5991     * applications.
5992     *
5993     * @see {@link android.content.Intent#ACTION_INSTALL_INSTANT_APP_PACKAGE}
5994     * @hide
5995     */
5996    @SystemApi
5997    public abstract ComponentName getInstantAppInstallerComponent();
5998
5999    /**
6000     * Return the Android Id for a given Instant App.
6001     *
6002     * @see {@link android.provider.Settings.Secure#ANDROID_ID}
6003     * @hide
6004     */
6005    public abstract String getInstantAppAndroidId(String packageName, @NonNull UserHandle user);
6006
6007    /**
6008     * Callback use to notify the callers of module registration that the operation
6009     * has finished.
6010     *
6011     * @hide
6012     */
6013    @SystemApi
6014    public static abstract class DexModuleRegisterCallback {
6015        public abstract void onDexModuleRegistered(String dexModulePath, boolean success,
6016                String message);
6017    }
6018
6019    /**
6020     * Register an application dex module with the package manager.
6021     * The package manager will keep track of the given module for future optimizations.
6022     *
6023     * Dex module optimizations will disable the classpath checking at runtime. The client bares
6024     * the responsibility to ensure that the static assumptions on classes in the optimized code
6025     * hold at runtime (e.g. there's no duplicate classes in the classpath).
6026     *
6027     * Note that the package manager already keeps track of dex modules loaded with
6028     * {@link dalvik.system.DexClassLoader} and {@link dalvik.system.PathClassLoader}.
6029     * This can be called for an eager registration.
6030     *
6031     * The call might take a while and the results will be posted on the main thread, using
6032     * the given callback.
6033     *
6034     * If the module is intended to be shared with other apps, make sure that the file
6035     * permissions allow for it.
6036     * If at registration time the permissions allow for others to read it, the module would
6037     * be marked as a shared module which might undergo a different optimization strategy.
6038     * (usually shared modules will generated larger optimizations artifacts,
6039     * taking more disk space).
6040     *
6041     * @param dexModulePath the absolute path of the dex module.
6042     * @param callback if not null, {@link DexModuleRegisterCallback#onDexModuleRegistered} will
6043     *                 be called once the registration finishes.
6044     *
6045     * @hide
6046     */
6047    @SystemApi
6048    public abstract void registerDexModule(String dexModulePath,
6049            @Nullable DexModuleRegisterCallback callback);
6050
6051    /**
6052     * Returns the {@link ArtManager} associated with this package manager.
6053     *
6054     * @hide
6055     */
6056    @SystemApi
6057    public @NonNull ArtManager getArtManager() {
6058        throw new UnsupportedOperationException("getArtManager not implemented in subclass");
6059    }
6060
6061    /**
6062     * Sets or clears the harmful app warning details for the given app.
6063     *
6064     * When set, any attempt to launch an activity in this package will be intercepted and a
6065     * warning dialog will be shown to the user instead, with the given warning. The user
6066     * will have the option to proceed with the activity launch, or to uninstall the application.
6067     *
6068     * @param packageName The full name of the package to warn on.
6069     * @param warning A warning string to display to the user describing the threat posed by the
6070     *                application, or null to clear the warning.
6071     *
6072     * @hide
6073     */
6074    @RequiresPermission(Manifest.permission.SET_HARMFUL_APP_WARNINGS)
6075    @SystemApi
6076    public void setHarmfulAppWarning(@NonNull String packageName, @Nullable CharSequence warning) {
6077        throw new UnsupportedOperationException("setHarmfulAppWarning not implemented in subclass");
6078    }
6079
6080    /**
6081     * Returns the harmful app warning string for the given app, or null if there is none set.
6082     *
6083     * @param packageName The full name of the desired package.
6084     *
6085     * @hide
6086     */
6087    @RequiresPermission(Manifest.permission.SET_HARMFUL_APP_WARNINGS)
6088    @Nullable
6089    @SystemApi
6090    public CharSequence getHarmfulAppWarning(@NonNull String packageName) {
6091        throw new UnsupportedOperationException("getHarmfulAppWarning not implemented in subclass");
6092    }
6093
6094    /** @hide */
6095    @IntDef(prefix = { "CERT_INPUT_" }, value = {
6096            CERT_INPUT_RAW_X509,
6097            CERT_INPUT_SHA256
6098    })
6099    @Retention(RetentionPolicy.SOURCE)
6100    public @interface CertificateInputType {}
6101
6102    /**
6103     * Certificate input bytes: the input bytes represent an encoded X.509 Certificate which could
6104     * be generated using an {@code CertificateFactory}
6105     */
6106    public static final int CERT_INPUT_RAW_X509 = 0;
6107
6108    /**
6109     * Certificate input bytes: the input bytes represent the SHA256 output of an encoded X.509
6110     * Certificate.
6111     */
6112    public static final int CERT_INPUT_SHA256 = 1;
6113
6114    /**
6115     * Searches the set of signing certificates by which the given package has proven to have been
6116     * signed.  This should be used instead of {@code getPackageInfo} with {@code GET_SIGNATURES}
6117     * since it takes into account the possibility of signing certificate rotation, except in the
6118     * case of packages that are signed by multiple certificates, for which signing certificate
6119     * rotation is not supported.  This method is analogous to using {@code getPackageInfo} with
6120     * {@code GET_SIGNING_CERTIFICATES} and then searching through the resulting {@code
6121     * signingInfo} field to see if the desired certificate is present.
6122     *
6123     * @param packageName package whose signing certificates to check
6124     * @param certificate signing certificate for which to search
6125     * @param type representation of the {@code certificate}
6126     * @return true if this package was or is signed by exactly the certificate {@code certificate}
6127     */
6128    public boolean hasSigningCertificate(
6129            String packageName, byte[] certificate, @CertificateInputType int type) {
6130        throw new UnsupportedOperationException(
6131                "hasSigningCertificate not implemented in subclass");
6132    }
6133
6134    /**
6135     * Searches the set of signing certificates by which the package(s) for the given uid has proven
6136     * to have been signed.  For multiple packages sharing the same uid, this will return the
6137     * signing certificates found in the signing history of the "newest" package, where "newest"
6138     * indicates the package with the newest signing certificate in the shared uid group.  This
6139     * method should be used instead of {@code getPackageInfo} with {@code GET_SIGNATURES}
6140     * since it takes into account the possibility of signing certificate rotation, except in the
6141     * case of packages that are signed by multiple certificates, for which signing certificate
6142     * rotation is not supported. This method is analogous to using {@code getPackagesForUid}
6143     * followed by {@code getPackageInfo} with {@code GET_SIGNING_CERTIFICATES}, selecting the
6144     * {@code PackageInfo} of the newest-signed bpackage , and finally searching through the
6145     * resulting {@code signingInfo} field to see if the desired certificate is there.
6146     *
6147     * @param uid uid whose signing certificates to check
6148     * @param certificate signing certificate for which to search
6149     * @param type representation of the {@code certificate}
6150     * @return true if this package was or is signed by exactly the certificate {@code certificate}
6151     */
6152    public boolean hasSigningCertificate(
6153            int uid, byte[] certificate, @CertificateInputType int type) {
6154        throw new UnsupportedOperationException(
6155                "hasSigningCertificate not implemented in subclass");
6156    }
6157
6158    /**
6159     * @return the system defined text classifier package name, or null if there's none.
6160     *
6161     * @hide
6162     */
6163    public String getSystemTextClassifierPackageName() {
6164        throw new UnsupportedOperationException(
6165                "getSystemTextClassifierPackageName not implemented in subclass");
6166    }
6167
6168    /**
6169     * @return whether a given package's state is protected, e.g. package cannot be disabled,
6170     *         suspended, hidden or force stopped.
6171     *
6172     * @hide
6173     */
6174    public boolean isPackageStateProtected(String packageName, int userId) {
6175        throw new UnsupportedOperationException(
6176            "isPackageStateProtected not implemented in subclass");
6177    }
6178
6179}
6180