PackageManager.java revision 9964f70f6afb2e72ce560c6c692aae3fc4b79993
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;
71
72/**
73 * Class for retrieving various kinds of information related to the application
74 * packages that are currently installed on the device.
75 *
76 * You can find this class through {@link Context#getPackageManager}.
77 */
78public abstract class PackageManager {
79    private static final String TAG = "PackageManager";
80
81    /** {@hide} */
82    public static final boolean APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE = true;
83
84    /**
85     * This exception is thrown when a given package, application, or component
86     * name cannot be found.
87     */
88    public static class NameNotFoundException extends AndroidException {
89        public NameNotFoundException() {
90        }
91
92        public NameNotFoundException(String name) {
93            super(name);
94        }
95    }
96
97    /**
98     * Listener for changes in permissions granted to a UID.
99     *
100     * @hide
101     */
102    @SystemApi
103    public interface OnPermissionsChangedListener {
104
105        /**
106         * Called when the permissions for a UID change.
107         * @param uid The UID with a change.
108         */
109        public void onPermissionsChanged(int uid);
110    }
111
112    /**
113     * As a guiding principle:
114     * <p>
115     * {@code GET_} flags are used to request additional data that may have been
116     * elided to save wire space.
117     * <p>
118     * {@code MATCH_} flags are used to include components or packages that
119     * would have otherwise been omitted from a result set by current system
120     * state.
121     */
122
123    /** @hide */
124    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
125            GET_ACTIVITIES,
126            GET_CONFIGURATIONS,
127            GET_GIDS,
128            GET_INSTRUMENTATION,
129            GET_INTENT_FILTERS,
130            GET_META_DATA,
131            GET_PERMISSIONS,
132            GET_PROVIDERS,
133            GET_RECEIVERS,
134            GET_SERVICES,
135            GET_SHARED_LIBRARY_FILES,
136            GET_SIGNATURES,
137            GET_SIGNING_CERTIFICATES,
138            GET_URI_PERMISSION_PATTERNS,
139            MATCH_UNINSTALLED_PACKAGES,
140            MATCH_DISABLED_COMPONENTS,
141            MATCH_DISABLED_UNTIL_USED_COMPONENTS,
142            MATCH_SYSTEM_ONLY,
143            MATCH_FACTORY_ONLY,
144            MATCH_DEBUG_TRIAGED_MISSING,
145            MATCH_INSTANT,
146            GET_DISABLED_COMPONENTS,
147            GET_DISABLED_UNTIL_USED_COMPONENTS,
148            GET_UNINSTALLED_PACKAGES,
149    })
150    @Retention(RetentionPolicy.SOURCE)
151    public @interface PackageInfoFlags {}
152
153    /** @hide */
154    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
155            GET_META_DATA,
156            GET_SHARED_LIBRARY_FILES,
157            MATCH_UNINSTALLED_PACKAGES,
158            MATCH_SYSTEM_ONLY,
159            MATCH_DEBUG_TRIAGED_MISSING,
160            MATCH_DISABLED_COMPONENTS,
161            MATCH_DISABLED_UNTIL_USED_COMPONENTS,
162            MATCH_INSTANT,
163            MATCH_STATIC_SHARED_LIBRARIES,
164            GET_DISABLED_UNTIL_USED_COMPONENTS,
165            GET_UNINSTALLED_PACKAGES,
166    })
167    @Retention(RetentionPolicy.SOURCE)
168    public @interface ApplicationInfoFlags {}
169
170    /** @hide */
171    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
172            GET_META_DATA,
173            GET_SHARED_LIBRARY_FILES,
174            MATCH_ALL,
175            MATCH_DEBUG_TRIAGED_MISSING,
176            MATCH_DEFAULT_ONLY,
177            MATCH_DISABLED_COMPONENTS,
178            MATCH_DISABLED_UNTIL_USED_COMPONENTS,
179            MATCH_DIRECT_BOOT_AWARE,
180            MATCH_DIRECT_BOOT_UNAWARE,
181            MATCH_SYSTEM_ONLY,
182            MATCH_UNINSTALLED_PACKAGES,
183            MATCH_INSTANT,
184            MATCH_STATIC_SHARED_LIBRARIES,
185            GET_DISABLED_COMPONENTS,
186            GET_DISABLED_UNTIL_USED_COMPONENTS,
187            GET_UNINSTALLED_PACKAGES,
188    })
189    @Retention(RetentionPolicy.SOURCE)
190    public @interface ComponentInfoFlags {}
191
192    /** @hide */
193    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
194            GET_META_DATA,
195            GET_RESOLVED_FILTER,
196            GET_SHARED_LIBRARY_FILES,
197            MATCH_ALL,
198            MATCH_DEBUG_TRIAGED_MISSING,
199            MATCH_DISABLED_COMPONENTS,
200            MATCH_DISABLED_UNTIL_USED_COMPONENTS,
201            MATCH_DEFAULT_ONLY,
202            MATCH_DIRECT_BOOT_AWARE,
203            MATCH_DIRECT_BOOT_UNAWARE,
204            MATCH_SYSTEM_ONLY,
205            MATCH_UNINSTALLED_PACKAGES,
206            MATCH_INSTANT,
207            GET_DISABLED_COMPONENTS,
208            GET_DISABLED_UNTIL_USED_COMPONENTS,
209            GET_UNINSTALLED_PACKAGES,
210    })
211    @Retention(RetentionPolicy.SOURCE)
212    public @interface ResolveInfoFlags {}
213
214    /** @hide */
215    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
216            GET_META_DATA,
217    })
218    @Retention(RetentionPolicy.SOURCE)
219    public @interface PermissionInfoFlags {}
220
221    /** @hide */
222    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
223            GET_META_DATA,
224    })
225    @Retention(RetentionPolicy.SOURCE)
226    public @interface PermissionGroupInfoFlags {}
227
228    /** @hide */
229    @IntDef(flag = true, prefix = { "GET_", "MATCH_" }, value = {
230            GET_META_DATA,
231    })
232    @Retention(RetentionPolicy.SOURCE)
233    public @interface InstrumentationInfoFlags {}
234
235    /**
236     * {@link PackageInfo} flag: return information about
237     * activities in the package in {@link PackageInfo#activities}.
238     */
239    public static final int GET_ACTIVITIES              = 0x00000001;
240
241    /**
242     * {@link PackageInfo} flag: return information about
243     * intent receivers in the package in
244     * {@link PackageInfo#receivers}.
245     */
246    public static final int GET_RECEIVERS               = 0x00000002;
247
248    /**
249     * {@link PackageInfo} flag: return information about
250     * services in the package in {@link PackageInfo#services}.
251     */
252    public static final int GET_SERVICES                = 0x00000004;
253
254    /**
255     * {@link PackageInfo} flag: return information about
256     * content providers in the package in
257     * {@link PackageInfo#providers}.
258     */
259    public static final int GET_PROVIDERS               = 0x00000008;
260
261    /**
262     * {@link PackageInfo} flag: return information about
263     * instrumentation in the package in
264     * {@link PackageInfo#instrumentation}.
265     */
266    public static final int GET_INSTRUMENTATION         = 0x00000010;
267
268    /**
269     * {@link PackageInfo} flag: return information about the
270     * intent filters supported by the activity.
271     */
272    public static final int GET_INTENT_FILTERS          = 0x00000020;
273
274    /**
275     * {@link PackageInfo} flag: return information about the
276     * signatures included in the package.
277     *
278     * @deprecated use {@code GET_SIGNING_CERTIFICATES} instead
279     */
280    @Deprecated
281    public static final int GET_SIGNATURES          = 0x00000040;
282
283    /**
284     * {@link ResolveInfo} flag: return the IntentFilter that
285     * was matched for a particular ResolveInfo in
286     * {@link ResolveInfo#filter}.
287     */
288    public static final int GET_RESOLVED_FILTER         = 0x00000040;
289
290    /**
291     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
292     * data {@link android.os.Bundle}s that are associated with a component.
293     * This applies for any API returning a ComponentInfo subclass.
294     */
295    public static final int GET_META_DATA               = 0x00000080;
296
297    /**
298     * {@link PackageInfo} flag: return the
299     * {@link PackageInfo#gids group ids} that are associated with an
300     * application.
301     * This applies for any API returning a PackageInfo class, either
302     * directly or nested inside of another.
303     */
304    public static final int GET_GIDS                    = 0x00000100;
305
306    /**
307     * @deprecated replaced with {@link #MATCH_DISABLED_COMPONENTS}
308     */
309    @Deprecated
310    public static final int GET_DISABLED_COMPONENTS = 0x00000200;
311
312    /**
313     * {@link PackageInfo} flag: include disabled components in the returned info.
314     */
315    public static final int MATCH_DISABLED_COMPONENTS = 0x00000200;
316
317    /**
318     * {@link ApplicationInfo} flag: return the
319     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
320     * that are associated with an application.
321     * This applies for any API returning an ApplicationInfo class, either
322     * directly or nested inside of another.
323     */
324    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
325
326    /**
327     * {@link ProviderInfo} flag: return the
328     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
329     * that are associated with a content provider.
330     * This applies for any API returning a ProviderInfo class, either
331     * directly or nested inside of another.
332     */
333    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
334    /**
335     * {@link PackageInfo} flag: return information about
336     * permissions in the package in
337     * {@link PackageInfo#permissions}.
338     */
339    public static final int GET_PERMISSIONS               = 0x00001000;
340
341    /**
342     * @deprecated replaced with {@link #MATCH_UNINSTALLED_PACKAGES}
343     */
344    @Deprecated
345    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
346
347    /**
348     * Flag parameter to retrieve some information about all applications (even
349     * uninstalled ones) which have data directories. This state could have
350     * resulted if applications have been deleted with flag
351     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
352     * reinstalled in future.
353     * <p>
354     * Note: this flag may cause less information about currently installed
355     * applications to be returned.
356     */
357    public static final int MATCH_UNINSTALLED_PACKAGES = 0x00002000;
358
359    /**
360     * {@link PackageInfo} flag: return information about
361     * hardware preferences in
362     * {@link PackageInfo#configPreferences PackageInfo.configPreferences},
363     * and requested features in {@link PackageInfo#reqFeatures} and
364     * {@link PackageInfo#featureGroups}.
365     */
366    public static final int GET_CONFIGURATIONS = 0x00004000;
367
368    /**
369     * @deprecated replaced with {@link #MATCH_DISABLED_UNTIL_USED_COMPONENTS}.
370     */
371    @Deprecated
372    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
373
374    /**
375     * {@link PackageInfo} flag: include disabled components which are in
376     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
377     * in the returned info.  Note that if you set this flag, applications
378     * that are in this disabled state will be reported as enabled.
379     */
380    public static final int MATCH_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
381
382    /**
383     * Resolution and querying flag: if set, only filters that support the
384     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
385     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
386     * supplied Intent.
387     */
388    public static final int MATCH_DEFAULT_ONLY  = 0x00010000;
389
390    /**
391     * Querying flag: if set and if the platform is doing any filtering of the
392     * results, then the filtering will not happen. This is a synonym for saying
393     * that all results should be returned.
394     * <p>
395     * <em>This flag should be used with extreme care.</em>
396     */
397    public static final int MATCH_ALL = 0x00020000;
398
399    /**
400     * Querying flag: match components which are direct boot <em>unaware</em> in
401     * the returned info, regardless of the current user state.
402     * <p>
403     * When neither {@link #MATCH_DIRECT_BOOT_AWARE} nor
404     * {@link #MATCH_DIRECT_BOOT_UNAWARE} are specified, the default behavior is
405     * to match only runnable components based on the user state. For example,
406     * when a user is started but credentials have not been presented yet, the
407     * user is running "locked" and only {@link #MATCH_DIRECT_BOOT_AWARE}
408     * components are returned. Once the user credentials have been presented,
409     * the user is running "unlocked" and both {@link #MATCH_DIRECT_BOOT_AWARE}
410     * and {@link #MATCH_DIRECT_BOOT_UNAWARE} components are returned.
411     *
412     * @see UserManager#isUserUnlocked()
413     */
414    public static final int MATCH_DIRECT_BOOT_UNAWARE = 0x00040000;
415
416    /**
417     * Querying flag: match components which are direct boot <em>aware</em> in
418     * the returned info, regardless of the current user state.
419     * <p>
420     * When neither {@link #MATCH_DIRECT_BOOT_AWARE} nor
421     * {@link #MATCH_DIRECT_BOOT_UNAWARE} are specified, the default behavior is
422     * to match only runnable components based on the user state. For example,
423     * when a user is started but credentials have not been presented yet, the
424     * user is running "locked" and only {@link #MATCH_DIRECT_BOOT_AWARE}
425     * components are returned. Once the user credentials have been presented,
426     * the user is running "unlocked" and both {@link #MATCH_DIRECT_BOOT_AWARE}
427     * and {@link #MATCH_DIRECT_BOOT_UNAWARE} components are returned.
428     *
429     * @see UserManager#isUserUnlocked()
430     */
431    public static final int MATCH_DIRECT_BOOT_AWARE = 0x00080000;
432
433    /**
434     * Querying flag: include only components from applications that are marked
435     * with {@link ApplicationInfo#FLAG_SYSTEM}.
436     */
437    public static final int MATCH_SYSTEM_ONLY = 0x00100000;
438
439    /**
440     * Internal {@link PackageInfo} flag: include only components on the system image.
441     * This will not return information on any unbundled update to system components.
442     * @hide
443     */
444    @SystemApi
445    @TestApi
446    public static final int MATCH_FACTORY_ONLY = 0x00200000;
447
448    /**
449     * Allows querying of packages installed for any user, not just the specific one. This flag
450     * is only meant for use by apps that have INTERACT_ACROSS_USERS permission.
451     * @hide
452     */
453    @SystemApi
454    public static final int MATCH_ANY_USER = 0x00400000;
455
456    /**
457     * Combination of MATCH_ANY_USER and MATCH_UNINSTALLED_PACKAGES to mean any known
458     * package.
459     * @hide
460     */
461    public static final int MATCH_KNOWN_PACKAGES = MATCH_UNINSTALLED_PACKAGES | MATCH_ANY_USER;
462
463    /**
464     * Internal {@link PackageInfo} flag: include components that are part of an
465     * instant app. By default, instant app components are not matched.
466     * @hide
467     */
468    @SystemApi
469    public static final int MATCH_INSTANT = 0x00800000;
470
471    /**
472     * Internal {@link PackageInfo} flag: include only components that are exposed to
473     * instant apps. Matched components may have been either explicitly or implicitly
474     * exposed.
475     * @hide
476     */
477    public static final int MATCH_VISIBLE_TO_INSTANT_APP_ONLY = 0x01000000;
478
479    /**
480     * Internal {@link PackageInfo} flag: include only components that have been
481     * explicitly exposed to instant apps.
482     * @hide
483     */
484    public static final int MATCH_EXPLICITLY_VISIBLE_ONLY = 0x02000000;
485
486    /**
487     * Internal {@link PackageInfo} flag: include static shared libraries.
488     * Apps that depend on static shared libs can always access the version
489     * of the lib they depend on. System/shell/root can access all shared
490     * libs regardless of dependency but need to explicitly ask for them
491     * via this flag.
492     * @hide
493     */
494    public static final int MATCH_STATIC_SHARED_LIBRARIES = 0x04000000;
495
496    /**
497     * {@link PackageInfo} flag: return the signing certificates associated with
498     * this package.  Each entry is a signing certificate that the package
499     * has proven it is authorized to use, usually a past signing certificate from
500     * which it has rotated.
501     */
502    public static final int GET_SIGNING_CERTIFICATES = 0x08000000;
503
504    /**
505     * Internal flag used to indicate that a system component has done their
506     * homework and verified that they correctly handle packages and components
507     * that come and go over time. In particular:
508     * <ul>
509     * <li>Apps installed on external storage, which will appear to be
510     * uninstalled while the the device is ejected.
511     * <li>Apps with encryption unaware components, which will appear to not
512     * exist while the device is locked.
513     * </ul>
514     *
515     * @see #MATCH_UNINSTALLED_PACKAGES
516     * @see #MATCH_DIRECT_BOOT_AWARE
517     * @see #MATCH_DIRECT_BOOT_UNAWARE
518     * @hide
519     */
520    public static final int MATCH_DEBUG_TRIAGED_MISSING = 0x10000000;
521
522    /**
523     * Flag for {@link #addCrossProfileIntentFilter}: if this flag is set: when
524     * resolving an intent that matches the {@code CrossProfileIntentFilter},
525     * the current profile will be skipped. Only activities in the target user
526     * can respond to the intent.
527     *
528     * @hide
529     */
530    public static final int SKIP_CURRENT_PROFILE = 0x00000002;
531
532    /**
533     * Flag for {@link #addCrossProfileIntentFilter}: if this flag is set:
534     * activities in the other profiles can respond to the intent only if no activity with
535     * non-negative priority in current profile can respond to the intent.
536     * @hide
537     */
538    public static final int ONLY_IF_NO_MATCH_FOUND = 0x00000004;
539
540    /** @hide */
541    @IntDef(prefix = { "PERMISSION_" }, value = {
542            PERMISSION_GRANTED,
543            PERMISSION_DENIED
544    })
545    @Retention(RetentionPolicy.SOURCE)
546    public @interface PermissionResult {}
547
548    /**
549     * Permission check result: this is returned by {@link #checkPermission}
550     * if the permission has been granted to the given package.
551     */
552    public static final int PERMISSION_GRANTED = 0;
553
554    /**
555     * Permission check result: this is returned by {@link #checkPermission}
556     * if the permission has not been granted to the given package.
557     */
558    public static final int PERMISSION_DENIED = -1;
559
560    /** @hide */
561    @IntDef(prefix = { "SIGNATURE_" }, value = {
562            SIGNATURE_MATCH,
563            SIGNATURE_NEITHER_SIGNED,
564            SIGNATURE_FIRST_NOT_SIGNED,
565            SIGNATURE_SECOND_NOT_SIGNED,
566            SIGNATURE_NO_MATCH,
567            SIGNATURE_UNKNOWN_PACKAGE,
568    })
569    @Retention(RetentionPolicy.SOURCE)
570    public @interface SignatureResult {}
571
572    /**
573     * Signature check result: this is returned by {@link #checkSignatures}
574     * if all signatures on the two packages match.
575     */
576    public static final int SIGNATURE_MATCH = 0;
577
578    /**
579     * Signature check result: this is returned by {@link #checkSignatures}
580     * if neither of the two packages is signed.
581     */
582    public static final int SIGNATURE_NEITHER_SIGNED = 1;
583
584    /**
585     * Signature check result: this is returned by {@link #checkSignatures}
586     * if the first package is not signed but the second is.
587     */
588    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
589
590    /**
591     * Signature check result: this is returned by {@link #checkSignatures}
592     * if the second package is not signed but the first is.
593     */
594    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
595
596    /**
597     * Signature check result: this is returned by {@link #checkSignatures}
598     * if not all signatures on both packages match.
599     */
600    public static final int SIGNATURE_NO_MATCH = -3;
601
602    /**
603     * Signature check result: this is returned by {@link #checkSignatures}
604     * if either of the packages are not valid.
605     */
606    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
607
608    /** @hide */
609    @IntDef(prefix = { "COMPONENT_ENABLED_STATE_" }, value = {
610            COMPONENT_ENABLED_STATE_DEFAULT,
611            COMPONENT_ENABLED_STATE_ENABLED,
612            COMPONENT_ENABLED_STATE_DISABLED,
613            COMPONENT_ENABLED_STATE_DISABLED_USER,
614            COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED,
615    })
616    @Retention(RetentionPolicy.SOURCE)
617    public @interface EnabledState {}
618
619    /**
620     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} and
621     * {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
622     * component or application is in its default enabled state (as specified in
623     * its manifest).
624     * <p>
625     * Explicitly setting the component state to this value restores it's
626     * enabled state to whatever is set in the manifest.
627     */
628    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
629
630    /**
631     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
632     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
633     * component or application has been explictily enabled, regardless of
634     * what it has specified in its manifest.
635     */
636    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
637
638    /**
639     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
640     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
641     * component or application has been explicitly disabled, regardless of
642     * what it has specified in its manifest.
643     */
644    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
645
646    /**
647     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
648     * user has explicitly disabled the application, regardless of what it has
649     * specified in its manifest.  Because this is due to the user's request,
650     * they may re-enable it if desired through the appropriate system UI.  This
651     * option currently <strong>cannot</strong> be used with
652     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
653     */
654    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
655
656    /**
657     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
658     * application should be considered, until the point where the user actually
659     * wants to use it.  This means that it will not normally show up to the user
660     * (such as in the launcher), but various parts of the user interface can
661     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
662     * the user to select it (as for example an IME, device admin, etc).  Such code,
663     * once the user has selected the app, should at that point also make it enabled.
664     * This option currently <strong>can not</strong> be used with
665     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
666     */
667    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
668
669    /** @hide */
670    @IntDef(flag = true, prefix = { "INSTALL_" }, value = {
671            INSTALL_FORWARD_LOCK,
672            INSTALL_REPLACE_EXISTING,
673            INSTALL_ALLOW_TEST,
674            INSTALL_EXTERNAL,
675            INSTALL_INTERNAL,
676            INSTALL_FROM_ADB,
677            INSTALL_ALL_USERS,
678            INSTALL_ALLOW_DOWNGRADE,
679            INSTALL_GRANT_RUNTIME_PERMISSIONS,
680            INSTALL_FORCE_VOLUME_UUID,
681            INSTALL_FORCE_PERMISSION_PROMPT,
682            INSTALL_INSTANT_APP,
683            INSTALL_DONT_KILL_APP,
684            INSTALL_FORCE_SDK,
685            INSTALL_FULL_APP,
686            INSTALL_ALLOCATE_AGGRESSIVE,
687    })
688    @Retention(RetentionPolicy.SOURCE)
689    public @interface InstallFlags {}
690
691    /**
692     * Flag parameter for {@link #installPackage} to indicate that this package
693     * should be installed as forward locked, i.e. only the app itself should
694     * have access to its code and non-resource assets.
695     *
696     * @deprecated new installs into ASEC containers are no longer supported.
697     * @hide
698     */
699    @Deprecated
700    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
701
702    /**
703     * Flag parameter for {@link #installPackage} to indicate that you want to
704     * replace an already installed package, if one exists.
705     *
706     * @hide
707     */
708    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
709
710    /**
711     * Flag parameter for {@link #installPackage} to indicate that you want to
712     * allow test packages (those that have set android:testOnly in their
713     * manifest) to be installed.
714     * @hide
715     */
716    public static final int INSTALL_ALLOW_TEST = 0x00000004;
717
718    /**
719     * Flag parameter for {@link #installPackage} to indicate that this package
720     * must be installed to an ASEC on a {@link VolumeInfo#TYPE_PUBLIC}.
721     *
722     * @deprecated new installs into ASEC containers are no longer supported;
723     *             use adoptable storage instead.
724     * @hide
725     */
726    @Deprecated
727    public static final int INSTALL_EXTERNAL = 0x00000008;
728
729    /**
730     * Flag parameter for {@link #installPackage} to indicate that this package
731     * must be installed to internal storage.
732     *
733     * @hide
734     */
735    public static final int INSTALL_INTERNAL = 0x00000010;
736
737    /**
738     * Flag parameter for {@link #installPackage} to indicate that this install
739     * was initiated via ADB.
740     *
741     * @hide
742     */
743    public static final int INSTALL_FROM_ADB = 0x00000020;
744
745    /**
746     * Flag parameter for {@link #installPackage} to indicate that this install
747     * should immediately be visible to all users.
748     *
749     * @hide
750     */
751    public static final int INSTALL_ALL_USERS = 0x00000040;
752
753    /**
754     * Flag parameter for {@link #installPackage} to indicate that it is okay
755     * to install an update to an app where the newly installed app has a lower
756     * version code than the currently installed app. This is permitted only if
757     * the currently installed app is marked debuggable.
758     *
759     * @hide
760     */
761    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
762
763    /**
764     * Flag parameter for {@link #installPackage} to indicate that all runtime
765     * permissions should be granted to the package. If {@link #INSTALL_ALL_USERS}
766     * is set the runtime permissions will be granted to all users, otherwise
767     * only to the owner.
768     *
769     * @hide
770     */
771    public static final int INSTALL_GRANT_RUNTIME_PERMISSIONS = 0x00000100;
772
773    /** {@hide} */
774    public static final int INSTALL_FORCE_VOLUME_UUID = 0x00000200;
775
776    /**
777     * Flag parameter for {@link #installPackage} to indicate that we always want to force
778     * the prompt for permission approval. This overrides any special behaviour for internal
779     * components.
780     *
781     * @hide
782     */
783    public static final int INSTALL_FORCE_PERMISSION_PROMPT = 0x00000400;
784
785    /**
786     * Flag parameter for {@link #installPackage} to indicate that this package is
787     * to be installed as a lightweight "ephemeral" app.
788     *
789     * @hide
790     */
791    public static final int INSTALL_INSTANT_APP = 0x00000800;
792
793    /**
794     * Flag parameter for {@link #installPackage} to indicate that this package contains
795     * a feature split to an existing application and the existing application should not
796     * be killed during the installation process.
797     *
798     * @hide
799     */
800    public static final int INSTALL_DONT_KILL_APP = 0x00001000;
801
802    /**
803     * Flag parameter for {@link #installPackage} to indicate that this package is an
804     * upgrade to a package that refers to the SDK via release letter or is targeting an SDK via
805     * release letter that the current build does not support.
806     *
807     * @hide
808     */
809    public static final int INSTALL_FORCE_SDK = 0x00002000;
810
811    /**
812     * Flag parameter for {@link #installPackage} to indicate that this package is
813     * to be installed as a heavy weight app. This is fundamentally the opposite of
814     * {@link #INSTALL_INSTANT_APP}.
815     *
816     * @hide
817     */
818    public static final int INSTALL_FULL_APP = 0x00004000;
819
820    /**
821     * Flag parameter for {@link #installPackage} to indicate that this package
822     * is critical to system health or security, meaning the system should use
823     * {@link StorageManager#FLAG_ALLOCATE_AGGRESSIVE} internally.
824     *
825     * @hide
826     */
827    public static final int INSTALL_ALLOCATE_AGGRESSIVE = 0x00008000;
828
829    /**
830     * Flag parameter for {@link #installPackage} to indicate that this package
831     * is a virtual preload.
832     *
833     * @hide
834     */
835    public static final int INSTALL_VIRTUAL_PRELOAD = 0x00010000;
836
837    /** @hide */
838    @IntDef(flag = true, prefix = { "DONT_KILL_APP" }, value = {
839            DONT_KILL_APP
840    })
841    @Retention(RetentionPolicy.SOURCE)
842    public @interface EnabledFlags {}
843
844    /**
845     * Flag parameter for
846     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
847     * that you don't want to kill the app containing the component.  Be careful when you set this
848     * since changing component states can make the containing application's behavior unpredictable.
849     */
850    public static final int DONT_KILL_APP = 0x00000001;
851
852    /** @hide */
853    @IntDef(prefix = { "INSTALL_REASON_" }, value = {
854            INSTALL_REASON_UNKNOWN,
855            INSTALL_REASON_POLICY,
856            INSTALL_REASON_DEVICE_RESTORE,
857            INSTALL_REASON_DEVICE_SETUP,
858            INSTALL_REASON_USER
859    })
860    @Retention(RetentionPolicy.SOURCE)
861    public @interface InstallReason {}
862
863    /**
864     * Code indicating that the reason for installing this package is unknown.
865     */
866    public static final int INSTALL_REASON_UNKNOWN = 0;
867
868    /**
869     * Code indicating that this package was installed due to enterprise policy.
870     */
871    public static final int INSTALL_REASON_POLICY = 1;
872
873    /**
874     * Code indicating that this package was installed as part of restoring from another device.
875     */
876    public static final int INSTALL_REASON_DEVICE_RESTORE = 2;
877
878    /**
879     * Code indicating that this package was installed as part of device setup.
880     */
881    public static final int INSTALL_REASON_DEVICE_SETUP = 3;
882
883    /**
884     * Code indicating that the package installation was initiated by the user.
885     */
886    public static final int INSTALL_REASON_USER = 4;
887
888    /**
889     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
890     * on success.
891     *
892     * @hide
893     */
894    @SystemApi
895    public static final int INSTALL_SUCCEEDED = 1;
896
897    /**
898     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
899     * if the package is already installed.
900     *
901     * @hide
902     */
903    @SystemApi
904    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
905
906    /**
907     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
908     * if the package archive file is invalid.
909     *
910     * @hide
911     */
912    @SystemApi
913    public static final int INSTALL_FAILED_INVALID_APK = -2;
914
915    /**
916     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
917     * if the URI passed in is invalid.
918     *
919     * @hide
920     */
921    @SystemApi
922    public static final int INSTALL_FAILED_INVALID_URI = -3;
923
924    /**
925     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
926     * if the package manager service found that the device didn't have enough storage space to
927     * install the app.
928     *
929     * @hide
930     */
931    @SystemApi
932    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
933
934    /**
935     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
936     * if a package is already installed with the same name.
937     *
938     * @hide
939     */
940    @SystemApi
941    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
942
943    /**
944     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
945     * if the requested shared user does not exist.
946     *
947     * @hide
948     */
949    @SystemApi
950    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
951
952    /**
953     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
954     * if a previously installed package of the same name has a different signature than the new
955     * package (and the old package's data was not removed).
956     *
957     * @hide
958     */
959    @SystemApi
960    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
961
962    /**
963     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
964     * if the new package is requested a shared user which is already installed on the device and
965     * does not have matching signature.
966     *
967     * @hide
968     */
969    @SystemApi
970    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
971
972    /**
973     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
974     * if the new package uses a shared library that is not available.
975     *
976     * @hide
977     */
978    @SystemApi
979    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
980
981    /**
982     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
983     * if the new package uses a shared library that is not available.
984     *
985     * @hide
986     */
987    @SystemApi
988    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
989
990    /**
991     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
992     * if the new package failed while optimizing and validating its dex files, either because there
993     * was not enough storage or the validation failed.
994     *
995     * @hide
996     */
997    @SystemApi
998    public static final int INSTALL_FAILED_DEXOPT = -11;
999
1000    /**
1001     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1002     * if the new package failed because the current SDK version is older than that required by the
1003     * package.
1004     *
1005     * @hide
1006     */
1007    @SystemApi
1008    public static final int INSTALL_FAILED_OLDER_SDK = -12;
1009
1010    /**
1011     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1012     * if the new package failed because it contains a content provider with the same authority as a
1013     * provider already installed in the system.
1014     *
1015     * @hide
1016     */
1017    @SystemApi
1018    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
1019
1020    /**
1021     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1022     * if the new package failed because the current SDK version is newer than that required by the
1023     * package.
1024     *
1025     * @hide
1026     */
1027    @SystemApi
1028    public static final int INSTALL_FAILED_NEWER_SDK = -14;
1029
1030    /**
1031     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1032     * if the new package failed because it has specified that it is a test-only package and the
1033     * caller has not supplied the {@link #INSTALL_ALLOW_TEST} flag.
1034     *
1035     * @hide
1036     */
1037    @SystemApi
1038    public static final int INSTALL_FAILED_TEST_ONLY = -15;
1039
1040    /**
1041     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1042     * if the package being installed contains native code, but none that is compatible with the
1043     * device's CPU_ABI.
1044     *
1045     * @hide
1046     */
1047    @SystemApi
1048    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
1049
1050    /**
1051     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1052     * if the new package uses a feature that is not available.
1053     *
1054     * @hide
1055     */
1056    @SystemApi
1057    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
1058
1059    // ------ Errors related to sdcard
1060    /**
1061     * Installation return code: this is passed in the
1062     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if a secure container mount point couldn't be
1063     * accessed on external media.
1064     *
1065     * @hide
1066     */
1067    @SystemApi
1068    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
1069
1070    /**
1071     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1072     * if the new package couldn't be installed in the specified install location.
1073     *
1074     * @hide
1075     */
1076    @SystemApi
1077    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
1078
1079    /**
1080     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1081     * if the new package couldn't be installed in the specified install location because the media
1082     * is not available.
1083     *
1084     * @hide
1085     */
1086    @SystemApi
1087    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
1088
1089    /**
1090     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1091     * if the new package couldn't be installed because the verification timed out.
1092     *
1093     * @hide
1094     */
1095    @SystemApi
1096    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
1097
1098    /**
1099     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1100     * if the new package couldn't be installed because the verification did not succeed.
1101     *
1102     * @hide
1103     */
1104    @SystemApi
1105    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
1106
1107    /**
1108     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1109     * if the package changed from what the calling program expected.
1110     *
1111     * @hide
1112     */
1113    @SystemApi
1114    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
1115
1116    /**
1117     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1118     * if the new package is assigned a different UID than it previously held.
1119     *
1120     * @hide
1121     */
1122    public static final int INSTALL_FAILED_UID_CHANGED = -24;
1123
1124    /**
1125     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1126     * if the new package has an older version code than the currently installed package.
1127     *
1128     * @hide
1129     */
1130    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
1131
1132    /**
1133     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1134     * if the old package has target SDK high enough to support runtime permission and the new
1135     * package has target SDK low enough to not support runtime permissions.
1136     *
1137     * @hide
1138     */
1139    @SystemApi
1140    public static final int INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE = -26;
1141
1142    /**
1143     * Installation return code: this is passed in the {@link PackageInstaller#EXTRA_LEGACY_STATUS}
1144     * if the new package attempts to downgrade the target sandbox version of the app.
1145     *
1146     * @hide
1147     */
1148    @SystemApi
1149    public static final int INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE = -27;
1150
1151    /**
1152     * Installation parse return code: this is passed in the
1153     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser was given a path that is not a
1154     * file, or does not end with the expected '.apk' extension.
1155     *
1156     * @hide
1157     */
1158    @SystemApi
1159    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
1160
1161    /**
1162     * Installation parse return code: this is passed in the
1163     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser was unable to retrieve the
1164     * AndroidManifest.xml file.
1165     *
1166     * @hide
1167     */
1168    @SystemApi
1169    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
1170
1171    /**
1172     * Installation parse return code: this is passed in the
1173     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered an unexpected
1174     * exception.
1175     *
1176     * @hide
1177     */
1178    @SystemApi
1179    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
1180
1181    /**
1182     * Installation parse return code: this is passed in the
1183     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser did not find any certificates in
1184     * the .apk.
1185     *
1186     * @hide
1187     */
1188    @SystemApi
1189    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
1190
1191    /**
1192     * Installation parse return code: this is passed in the
1193     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser found inconsistent certificates on
1194     * the files in the .apk.
1195     *
1196     * @hide
1197     */
1198    @SystemApi
1199    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
1200
1201    /**
1202     * Installation parse return code: this is passed in the
1203     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered a
1204     * CertificateEncodingException in one of the files in the .apk.
1205     *
1206     * @hide
1207     */
1208    @SystemApi
1209    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
1210
1211    /**
1212     * Installation parse return code: this is passed in the
1213     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered a bad or missing
1214     * package name in the manifest.
1215     *
1216     * @hide
1217     */
1218    @SystemApi
1219    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
1220
1221    /**
1222     * Installation parse return code: tthis is passed in the
1223     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered a bad shared user id
1224     * name in the manifest.
1225     *
1226     * @hide
1227     */
1228    @SystemApi
1229    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
1230
1231    /**
1232     * Installation parse return code: this is passed in the
1233     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser encountered some structural
1234     * problem in the manifest.
1235     *
1236     * @hide
1237     */
1238    @SystemApi
1239    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
1240
1241    /**
1242     * Installation parse return code: this is passed in the
1243     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the parser did not find any actionable tags
1244     * (instrumentation or application) in the manifest.
1245     *
1246     * @hide
1247     */
1248    @SystemApi
1249    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
1250
1251    /**
1252     * Installation failed return code: this is passed in the
1253     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the system failed to install the package
1254     * because of system issues.
1255     *
1256     * @hide
1257     */
1258    @SystemApi
1259    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
1260
1261    /**
1262     * Installation failed return code: this is passed in the
1263     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the system failed to install the package
1264     * because the user is restricted from installing apps.
1265     *
1266     * @hide
1267     */
1268    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
1269
1270    /**
1271     * Installation failed return code: this is passed in the
1272     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the system failed to install the package
1273     * because it is attempting to define a permission that is already defined by some existing
1274     * package.
1275     * <p>
1276     * The package name of the app which has already defined the permission is passed to a
1277     * {@link PackageInstallObserver}, if any, as the {@link #EXTRA_FAILURE_EXISTING_PACKAGE} string
1278     * extra; and the name of the permission being redefined is passed in the
1279     * {@link #EXTRA_FAILURE_EXISTING_PERMISSION} string extra.
1280     *
1281     * @hide
1282     */
1283    public static final int INSTALL_FAILED_DUPLICATE_PERMISSION = -112;
1284
1285    /**
1286     * Installation failed return code: this is passed in the
1287     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the system failed to install the package
1288     * because its packaged native code did not match any of the ABIs supported by the system.
1289     *
1290     * @hide
1291     */
1292    public static final int INSTALL_FAILED_NO_MATCHING_ABIS = -113;
1293
1294    /**
1295     * Internal return code for NativeLibraryHelper methods to indicate that the package
1296     * being processed did not contain any native code. This is placed here only so that
1297     * it can belong to the same value space as the other install failure codes.
1298     *
1299     * @hide
1300     */
1301    public static final int NO_NATIVE_LIBRARIES = -114;
1302
1303    /** {@hide} */
1304    public static final int INSTALL_FAILED_ABORTED = -115;
1305
1306    /**
1307     * Installation failed return code: instant app installs are incompatible with some
1308     * other installation flags supplied for the operation; or other circumstances such
1309     * as trying to upgrade a system app via an instant app install.
1310     * @hide
1311     */
1312    public static final int INSTALL_FAILED_INSTANT_APP_INVALID = -116;
1313
1314    /**
1315     * Installation parse return code: this is passed in the
1316     * {@link PackageInstaller#EXTRA_LEGACY_STATUS} if the dex metadata file is invalid or
1317     * if there was no matching apk file for a dex metadata file.
1318     *
1319     * @hide
1320     */
1321    public static final int INSTALL_FAILED_BAD_DEX_METADATA = -117;
1322
1323    /** @hide */
1324    @IntDef(flag = true, prefix = { "DELETE_" }, value = {
1325            DELETE_KEEP_DATA,
1326            DELETE_ALL_USERS,
1327            DELETE_SYSTEM_APP,
1328            DELETE_DONT_KILL_APP,
1329            DELETE_CHATTY,
1330    })
1331    @Retention(RetentionPolicy.SOURCE)
1332    public @interface DeleteFlags {}
1333
1334    /**
1335     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
1336     * package's data directory.
1337     *
1338     * @hide
1339     */
1340    public static final int DELETE_KEEP_DATA = 0x00000001;
1341
1342    /**
1343     * Flag parameter for {@link #deletePackage} to indicate that you want the
1344     * package deleted for all users.
1345     *
1346     * @hide
1347     */
1348    public static final int DELETE_ALL_USERS = 0x00000002;
1349
1350    /**
1351     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
1352     * uninstall on a system that has been updated, then don't do the normal process
1353     * of uninstalling the update and rolling back to the older system version (which
1354     * needs to happen for all users); instead, just mark the app as uninstalled for
1355     * the current user.
1356     *
1357     * @hide
1358     */
1359    public static final int DELETE_SYSTEM_APP = 0x00000004;
1360
1361    /**
1362     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
1363     * uninstall on a package that is replaced to provide new feature splits, the
1364     * existing application should not be killed during the removal process.
1365     *
1366     * @hide
1367     */
1368    public static final int DELETE_DONT_KILL_APP = 0x00000008;
1369
1370    /**
1371     * Flag parameter for {@link #deletePackage} to indicate that package deletion
1372     * should be chatty.
1373     *
1374     * @hide
1375     */
1376    public static final int DELETE_CHATTY = 0x80000000;
1377
1378    /**
1379     * Return code for when package deletion succeeds. This is passed to the
1380     * {@link IPackageDeleteObserver} if the system succeeded in deleting the
1381     * package.
1382     *
1383     * @hide
1384     */
1385    public static final int DELETE_SUCCEEDED = 1;
1386
1387    /**
1388     * Deletion failed return code: this is passed to the
1389     * {@link IPackageDeleteObserver} if the system failed to delete the package
1390     * for an unspecified reason.
1391     *
1392     * @hide
1393     */
1394    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
1395
1396    /**
1397     * Deletion failed return code: this is passed to the
1398     * {@link IPackageDeleteObserver} if the system failed to delete the package
1399     * because it is the active DevicePolicy manager.
1400     *
1401     * @hide
1402     */
1403    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
1404
1405    /**
1406     * Deletion failed return code: this is passed to the
1407     * {@link IPackageDeleteObserver} if the system failed to delete the package
1408     * since the user is restricted.
1409     *
1410     * @hide
1411     */
1412    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
1413
1414    /**
1415     * Deletion failed return code: this is passed to the
1416     * {@link IPackageDeleteObserver} if the system failed to delete the package
1417     * because a profile or device owner has marked the package as
1418     * uninstallable.
1419     *
1420     * @hide
1421     */
1422    public static final int DELETE_FAILED_OWNER_BLOCKED = -4;
1423
1424    /** {@hide} */
1425    public static final int DELETE_FAILED_ABORTED = -5;
1426
1427    /**
1428     * Deletion failed return code: this is passed to the
1429     * {@link IPackageDeleteObserver} if the system failed to delete the package
1430     * because the packge is a shared library used by other installed packages.
1431     * {@hide} */
1432    public static final int DELETE_FAILED_USED_SHARED_LIBRARY = -6;
1433
1434    /**
1435     * Return code that is passed to the {@link IPackageMoveObserver} when the
1436     * package has been successfully moved by the system.
1437     *
1438     * @hide
1439     */
1440    public static final int MOVE_SUCCEEDED = -100;
1441
1442    /**
1443     * Error code that is passed to the {@link IPackageMoveObserver} when the
1444     * package hasn't been successfully moved by the system because of
1445     * insufficient memory on specified media.
1446     *
1447     * @hide
1448     */
1449    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
1450
1451    /**
1452     * Error code that is passed to the {@link IPackageMoveObserver} if the
1453     * specified package doesn't exist.
1454     *
1455     * @hide
1456     */
1457    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
1458
1459    /**
1460     * Error code that is passed to the {@link IPackageMoveObserver} if the
1461     * specified package cannot be moved since its a system package.
1462     *
1463     * @hide
1464     */
1465    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
1466
1467    /**
1468     * Error code that is passed to the {@link IPackageMoveObserver} if the
1469     * specified package cannot be moved since its forward locked.
1470     *
1471     * @hide
1472     */
1473    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
1474
1475    /**
1476     * Error code that is passed to the {@link IPackageMoveObserver} if the
1477     * specified package cannot be moved to the specified location.
1478     *
1479     * @hide
1480     */
1481    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
1482
1483    /**
1484     * Error code that is passed to the {@link IPackageMoveObserver} if the
1485     * specified package cannot be moved to the specified location.
1486     *
1487     * @hide
1488     */
1489    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
1490
1491    /**
1492     * Error code that is passed to the {@link IPackageMoveObserver} if the
1493     * specified package already has an operation pending in the queue.
1494     *
1495     * @hide
1496     */
1497    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
1498
1499    /**
1500     * Error code that is passed to the {@link IPackageMoveObserver} if the
1501     * specified package cannot be moved since it contains a device admin.
1502     *
1503     * @hide
1504     */
1505    public static final int MOVE_FAILED_DEVICE_ADMIN = -8;
1506
1507    /**
1508     * Error code that is passed to the {@link IPackageMoveObserver} if system does not allow
1509     * non-system apps to be moved to internal storage.
1510     *
1511     * @hide
1512     */
1513    public static final int MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL = -9;
1514
1515    /** @hide */
1516    public static final int MOVE_FAILED_LOCKED_USER = -10;
1517
1518    /**
1519     * Flag parameter for {@link #movePackage} to indicate that
1520     * the package should be moved to internal storage if its
1521     * been installed on external media.
1522     * @hide
1523     */
1524    @Deprecated
1525    public static final int MOVE_INTERNAL = 0x00000001;
1526
1527    /**
1528     * Flag parameter for {@link #movePackage} to indicate that
1529     * the package should be moved to external media.
1530     * @hide
1531     */
1532    @Deprecated
1533    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
1534
1535    /** {@hide} */
1536    public static final String EXTRA_MOVE_ID = "android.content.pm.extra.MOVE_ID";
1537
1538    /**
1539     * Usable by the required verifier as the {@code verificationCode} argument
1540     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
1541     * allow the installation to proceed without any of the optional verifiers
1542     * needing to vote.
1543     *
1544     * @hide
1545     */
1546    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
1547
1548    /**
1549     * Used as the {@code verificationCode} argument for
1550     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
1551     * package verifier allows the installation to proceed.
1552     */
1553    public static final int VERIFICATION_ALLOW = 1;
1554
1555    /**
1556     * Used as the {@code verificationCode} argument for
1557     * {@link PackageManager#verifyPendingInstall} to indicate the calling
1558     * package verifier does not vote to allow the installation to proceed.
1559     */
1560    public static final int VERIFICATION_REJECT = -1;
1561
1562    /**
1563     * Used as the {@code verificationCode} argument for
1564     * {@link PackageManager#verifyIntentFilter} to indicate that the calling
1565     * IntentFilter Verifier confirms that the IntentFilter is verified.
1566     *
1567     * @hide
1568     */
1569    @SystemApi
1570    public static final int INTENT_FILTER_VERIFICATION_SUCCESS = 1;
1571
1572    /**
1573     * Used as the {@code verificationCode} argument for
1574     * {@link PackageManager#verifyIntentFilter} to indicate that the calling
1575     * IntentFilter Verifier confirms that the IntentFilter is NOT verified.
1576     *
1577     * @hide
1578     */
1579    @SystemApi
1580    public static final int INTENT_FILTER_VERIFICATION_FAILURE = -1;
1581
1582    /**
1583     * Internal status code to indicate that an IntentFilter verification result is not specified.
1584     *
1585     * @hide
1586     */
1587    @SystemApi
1588    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED = 0;
1589
1590    /**
1591     * Used as the {@code status} argument for
1592     * {@link #updateIntentVerificationStatusAsUser} to indicate that the User
1593     * will always be prompted the Intent Disambiguation Dialog if there are two
1594     * or more Intent resolved for the IntentFilter's domain(s).
1595     *
1596     * @hide
1597     */
1598    @SystemApi
1599    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK = 1;
1600
1601    /**
1602     * Used as the {@code status} argument for
1603     * {@link #updateIntentVerificationStatusAsUser} to indicate that the User
1604     * will never be prompted the Intent Disambiguation Dialog if there are two
1605     * or more resolution of the Intent. The default App for the domain(s)
1606     * specified in the IntentFilter will also ALWAYS be used.
1607     *
1608     * @hide
1609     */
1610    @SystemApi
1611    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS = 2;
1612
1613    /**
1614     * Used as the {@code status} argument for
1615     * {@link #updateIntentVerificationStatusAsUser} to indicate that the User
1616     * may be prompted the Intent Disambiguation Dialog if there are two or more
1617     * Intent resolved. The default App for the domain(s) specified in the
1618     * IntentFilter will also NEVER be presented to the User.
1619     *
1620     * @hide
1621     */
1622    @SystemApi
1623    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER = 3;
1624
1625    /**
1626     * Used as the {@code status} argument for
1627     * {@link #updateIntentVerificationStatusAsUser} to indicate that this app
1628     * should always be considered as an ambiguous candidate for handling the
1629     * matching Intent even if there are other candidate apps in the "always"
1630     * state. Put another way: if there are any 'always ask' apps in a set of
1631     * more than one candidate app, then a disambiguation is *always* presented
1632     * even if there is another candidate app with the 'always' state.
1633     *
1634     * @hide
1635     */
1636    @SystemApi
1637    public static final int INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK = 4;
1638
1639    /**
1640     * Can be used as the {@code millisecondsToDelay} argument for
1641     * {@link PackageManager#extendVerificationTimeout}. This is the
1642     * maximum time {@code PackageManager} waits for the verification
1643     * agent to return (in milliseconds).
1644     */
1645    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
1646
1647    /**
1648     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
1649     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
1650     * lag in sound input or output.
1651     */
1652    @SdkConstant(SdkConstantType.FEATURE)
1653    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
1654
1655    /**
1656     * Feature for {@link #getSystemAvailableFeatures} and
1657     * {@link #hasSystemFeature}: The device includes at least one form of audio
1658     * output, such as speakers, audio jack or streaming over bluetooth
1659     */
1660    @SdkConstant(SdkConstantType.FEATURE)
1661    public static final String FEATURE_AUDIO_OUTPUT = "android.hardware.audio.output";
1662
1663    /**
1664     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1665     * The device has professional audio level of functionality and performance.
1666     */
1667    @SdkConstant(SdkConstantType.FEATURE)
1668    public static final String FEATURE_AUDIO_PRO = "android.hardware.audio.pro";
1669
1670    /**
1671     * Feature for {@link #getSystemAvailableFeatures} and
1672     * {@link #hasSystemFeature}: The device is capable of communicating with
1673     * other devices via Bluetooth.
1674     */
1675    @SdkConstant(SdkConstantType.FEATURE)
1676    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
1677
1678    /**
1679     * Feature for {@link #getSystemAvailableFeatures} and
1680     * {@link #hasSystemFeature}: The device is capable of communicating with
1681     * other devices via Bluetooth Low Energy radio.
1682     */
1683    @SdkConstant(SdkConstantType.FEATURE)
1684    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
1685
1686    /**
1687     * Feature for {@link #getSystemAvailableFeatures} and
1688     * {@link #hasSystemFeature}: The device has a camera facing away
1689     * from the screen.
1690     */
1691    @SdkConstant(SdkConstantType.FEATURE)
1692    public static final String FEATURE_CAMERA = "android.hardware.camera";
1693
1694    /**
1695     * Feature for {@link #getSystemAvailableFeatures} and
1696     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
1697     */
1698    @SdkConstant(SdkConstantType.FEATURE)
1699    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
1700
1701    /**
1702     * Feature for {@link #getSystemAvailableFeatures} and
1703     * {@link #hasSystemFeature}: The device has at least one camera pointing in
1704     * some direction, or can support an external camera being connected to it.
1705     */
1706    @SdkConstant(SdkConstantType.FEATURE)
1707    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
1708
1709    /**
1710     * Feature for {@link #getSystemAvailableFeatures} and
1711     * {@link #hasSystemFeature}: The device can support having an external camera connected to it.
1712     * The external camera may not always be connected or available to applications to use.
1713     */
1714    @SdkConstant(SdkConstantType.FEATURE)
1715    public static final String FEATURE_CAMERA_EXTERNAL = "android.hardware.camera.external";
1716
1717    /**
1718     * Feature for {@link #getSystemAvailableFeatures} and
1719     * {@link #hasSystemFeature}: The device's camera supports flash.
1720     */
1721    @SdkConstant(SdkConstantType.FEATURE)
1722    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
1723
1724    /**
1725     * Feature for {@link #getSystemAvailableFeatures} and
1726     * {@link #hasSystemFeature}: The device has a front facing camera.
1727     */
1728    @SdkConstant(SdkConstantType.FEATURE)
1729    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
1730
1731    /**
1732     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1733     * of the cameras on the device supports the
1734     * {@link android.hardware.camera2.CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL full hardware}
1735     * capability level.
1736     */
1737    @SdkConstant(SdkConstantType.FEATURE)
1738    public static final String FEATURE_CAMERA_LEVEL_FULL = "android.hardware.camera.level.full";
1739
1740    /**
1741     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1742     * of the cameras on the device supports the
1743     * {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR manual sensor}
1744     * capability level.
1745     */
1746    @SdkConstant(SdkConstantType.FEATURE)
1747    public static final String FEATURE_CAMERA_CAPABILITY_MANUAL_SENSOR =
1748            "android.hardware.camera.capability.manual_sensor";
1749
1750    /**
1751     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1752     * of the cameras on the device supports the
1753     * {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING manual post-processing}
1754     * capability level.
1755     */
1756    @SdkConstant(SdkConstantType.FEATURE)
1757    public static final String FEATURE_CAMERA_CAPABILITY_MANUAL_POST_PROCESSING =
1758            "android.hardware.camera.capability.manual_post_processing";
1759
1760    /**
1761     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1762     * of the cameras on the device supports the
1763     * {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_RAW RAW}
1764     * capability level.
1765     */
1766    @SdkConstant(SdkConstantType.FEATURE)
1767    public static final String FEATURE_CAMERA_CAPABILITY_RAW =
1768            "android.hardware.camera.capability.raw";
1769
1770    /**
1771     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: At least one
1772     * of the cameras on the device supports the
1773     * {@link android.hardware.camera2.CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING
1774     * MOTION_TRACKING} capability level.
1775     */
1776    @SdkConstant(SdkConstantType.FEATURE)
1777    public static final String FEATURE_CAMERA_AR =
1778            "android.hardware.camera.ar";
1779
1780    /**
1781     * Feature for {@link #getSystemAvailableFeatures} and
1782     * {@link #hasSystemFeature}: The device is capable of communicating with
1783     * consumer IR devices.
1784     */
1785    @SdkConstant(SdkConstantType.FEATURE)
1786    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
1787
1788    /** {@hide} */
1789    @SdkConstant(SdkConstantType.FEATURE)
1790    public static final String FEATURE_CTS = "android.software.cts";
1791
1792    /**
1793     * Feature for {@link #getSystemAvailableFeatures} and
1794     * {@link #hasSystemFeature}: The device supports one or more methods of
1795     * reporting current location.
1796     */
1797    @SdkConstant(SdkConstantType.FEATURE)
1798    public static final String FEATURE_LOCATION = "android.hardware.location";
1799
1800    /**
1801     * Feature for {@link #getSystemAvailableFeatures} and
1802     * {@link #hasSystemFeature}: The device has a Global Positioning System
1803     * receiver and can report precise location.
1804     */
1805    @SdkConstant(SdkConstantType.FEATURE)
1806    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
1807
1808    /**
1809     * Feature for {@link #getSystemAvailableFeatures} and
1810     * {@link #hasSystemFeature}: The device can report location with coarse
1811     * accuracy using a network-based geolocation system.
1812     */
1813    @SdkConstant(SdkConstantType.FEATURE)
1814    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
1815
1816    /**
1817     * Feature for {@link #getSystemAvailableFeatures} and
1818     * {@link #hasSystemFeature}: The device's
1819     * {@link ActivityManager#isLowRamDevice() ActivityManager.isLowRamDevice()} method returns
1820     * true.
1821     */
1822    @SdkConstant(SdkConstantType.FEATURE)
1823    public static final String FEATURE_RAM_LOW = "android.hardware.ram.low";
1824
1825    /**
1826     * Feature for {@link #getSystemAvailableFeatures} and
1827     * {@link #hasSystemFeature}: The device's
1828     * {@link ActivityManager#isLowRamDevice() ActivityManager.isLowRamDevice()} method returns
1829     * false.
1830     */
1831    @SdkConstant(SdkConstantType.FEATURE)
1832    public static final String FEATURE_RAM_NORMAL = "android.hardware.ram.normal";
1833
1834    /**
1835     * Feature for {@link #getSystemAvailableFeatures} and
1836     * {@link #hasSystemFeature}: The device can record audio via a
1837     * microphone.
1838     */
1839    @SdkConstant(SdkConstantType.FEATURE)
1840    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
1841
1842    /**
1843     * Feature for {@link #getSystemAvailableFeatures} and
1844     * {@link #hasSystemFeature}: The device can communicate using Near-Field
1845     * Communications (NFC).
1846     */
1847    @SdkConstant(SdkConstantType.FEATURE)
1848    public static final String FEATURE_NFC = "android.hardware.nfc";
1849
1850    /**
1851     * Feature for {@link #getSystemAvailableFeatures} and
1852     * {@link #hasSystemFeature}: The device supports host-
1853     * based NFC card emulation.
1854     *
1855     * TODO remove when depending apps have moved to new constant.
1856     * @hide
1857     * @deprecated
1858     */
1859    @Deprecated
1860    @SdkConstant(SdkConstantType.FEATURE)
1861    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
1862
1863    /**
1864     * Feature for {@link #getSystemAvailableFeatures} and
1865     * {@link #hasSystemFeature}: The device supports host-
1866     * based NFC card emulation.
1867     */
1868    @SdkConstant(SdkConstantType.FEATURE)
1869    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1870
1871    /**
1872     * Feature for {@link #getSystemAvailableFeatures} and
1873     * {@link #hasSystemFeature}: The device supports host-
1874     * based NFC-F card emulation.
1875     */
1876    @SdkConstant(SdkConstantType.FEATURE)
1877    public static final String FEATURE_NFC_HOST_CARD_EMULATION_NFCF = "android.hardware.nfc.hcef";
1878
1879    /**
1880     * Feature for {@link #getSystemAvailableFeatures} and
1881     * {@link #hasSystemFeature}: The device supports any
1882     * one of the {@link #FEATURE_NFC}, {@link #FEATURE_NFC_HOST_CARD_EMULATION},
1883     * or {@link #FEATURE_NFC_HOST_CARD_EMULATION_NFCF} features.
1884     *
1885     * @hide
1886     */
1887    @SdkConstant(SdkConstantType.FEATURE)
1888    public static final String FEATURE_NFC_ANY = "android.hardware.nfc.any";
1889
1890    /**
1891     * Feature for {@link #getSystemAvailableFeatures} and
1892     * {@link #hasSystemFeature}: The device supports the OpenGL ES
1893     * <a href="http://www.khronos.org/registry/gles/extensions/ANDROID/ANDROID_extension_pack_es31a.txt">
1894     * Android Extension Pack</a>.
1895     */
1896    @SdkConstant(SdkConstantType.FEATURE)
1897    public static final String FEATURE_OPENGLES_EXTENSION_PACK = "android.hardware.opengles.aep";
1898
1899    /**
1900     * Feature for {@link #getSystemAvailableFeatures} and
1901     * {@link #hasSystemFeature(String, int)}: If this feature is supported, the Vulkan native API
1902     * will enumerate at least one {@code VkPhysicalDevice}, and the feature version will indicate
1903     * what level of optional hardware features limits it supports.
1904     * <p>
1905     * Level 0 includes the base Vulkan requirements as well as:
1906     * <ul><li>{@code VkPhysicalDeviceFeatures::textureCompressionETC2}</li></ul>
1907     * <p>
1908     * Level 1 additionally includes:
1909     * <ul>
1910     * <li>{@code VkPhysicalDeviceFeatures::fullDrawIndexUint32}</li>
1911     * <li>{@code VkPhysicalDeviceFeatures::imageCubeArray}</li>
1912     * <li>{@code VkPhysicalDeviceFeatures::independentBlend}</li>
1913     * <li>{@code VkPhysicalDeviceFeatures::geometryShader}</li>
1914     * <li>{@code VkPhysicalDeviceFeatures::tessellationShader}</li>
1915     * <li>{@code VkPhysicalDeviceFeatures::sampleRateShading}</li>
1916     * <li>{@code VkPhysicalDeviceFeatures::textureCompressionASTC_LDR}</li>
1917     * <li>{@code VkPhysicalDeviceFeatures::fragmentStoresAndAtomics}</li>
1918     * <li>{@code VkPhysicalDeviceFeatures::shaderImageGatherExtended}</li>
1919     * <li>{@code VkPhysicalDeviceFeatures::shaderUniformBufferArrayDynamicIndexing}</li>
1920     * <li>{@code VkPhysicalDeviceFeatures::shaderSampledImageArrayDynamicIndexing}</li>
1921     * </ul>
1922     */
1923    @SdkConstant(SdkConstantType.FEATURE)
1924    public static final String FEATURE_VULKAN_HARDWARE_LEVEL = "android.hardware.vulkan.level";
1925
1926    /**
1927     * Feature for {@link #getSystemAvailableFeatures} and
1928     * {@link #hasSystemFeature(String, int)}: If this feature is supported, the Vulkan native API
1929     * will enumerate at least one {@code VkPhysicalDevice}, and the feature version will indicate
1930     * what level of optional compute features that device supports beyond the Vulkan 1.0
1931     * requirements.
1932     * <p>
1933     * Compute level 0 indicates:
1934     * <ul>
1935     * <li>The {@code VK_KHR_variable_pointers} extension and
1936     *     {@code VkPhysicalDeviceVariablePointerFeaturesKHR::variablePointers} feature are
1937           supported.</li>
1938     * <li>{@code VkPhysicalDeviceLimits::maxPerStageDescriptorStorageBuffers} is at least 16.</li>
1939     * </ul>
1940     */
1941    @SdkConstant(SdkConstantType.FEATURE)
1942    public static final String FEATURE_VULKAN_HARDWARE_COMPUTE = "android.hardware.vulkan.compute";
1943
1944    /**
1945     * Feature for {@link #getSystemAvailableFeatures} and
1946     * {@link #hasSystemFeature(String, int)}: The version of this feature indicates the highest
1947     * {@code VkPhysicalDeviceProperties::apiVersion} supported by the physical devices that support
1948     * the hardware level indicated by {@link #FEATURE_VULKAN_HARDWARE_LEVEL}. The feature version
1949     * uses the same encoding as Vulkan version numbers:
1950     * <ul>
1951     * <li>Major version number in bits 31-22</li>
1952     * <li>Minor version number in bits 21-12</li>
1953     * <li>Patch version number in bits 11-0</li>
1954     * </ul>
1955     * A version of 1.1.0 or higher also indicates:
1956     * <ul>
1957     * <li>The {@code VK_ANDROID_external_memory_android_hardware_buffer} extension is
1958     *     supported.</li>
1959     * <li>{@code SYNC_FD} external semaphore and fence handles are supported.</li>
1960     * <li>{@code VkPhysicalDeviceSamplerYcbcrConversionFeatures::samplerYcbcrConversion} is
1961     *     supported.</li>
1962     * </ul>
1963     */
1964    @SdkConstant(SdkConstantType.FEATURE)
1965    public static final String FEATURE_VULKAN_HARDWARE_VERSION = "android.hardware.vulkan.version";
1966
1967    /**
1968     * Feature for {@link #getSystemAvailableFeatures} and
1969     * {@link #hasSystemFeature}: The device includes broadcast radio tuner.
1970     * @hide
1971     */
1972    @SystemApi
1973    @SdkConstant(SdkConstantType.FEATURE)
1974    public static final String FEATURE_BROADCAST_RADIO = "android.hardware.broadcastradio";
1975
1976    /**
1977     * Feature for {@link #getSystemAvailableFeatures} and
1978     * {@link #hasSystemFeature}: The device includes an accelerometer.
1979     */
1980    @SdkConstant(SdkConstantType.FEATURE)
1981    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1982
1983    /**
1984     * Feature for {@link #getSystemAvailableFeatures} and
1985     * {@link #hasSystemFeature}: The device includes a barometer (air
1986     * pressure sensor.)
1987     */
1988    @SdkConstant(SdkConstantType.FEATURE)
1989    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1990
1991    /**
1992     * Feature for {@link #getSystemAvailableFeatures} and
1993     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1994     */
1995    @SdkConstant(SdkConstantType.FEATURE)
1996    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1997
1998    /**
1999     * Feature for {@link #getSystemAvailableFeatures} and
2000     * {@link #hasSystemFeature}: The device includes a gyroscope.
2001     */
2002    @SdkConstant(SdkConstantType.FEATURE)
2003    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
2004
2005    /**
2006     * Feature for {@link #getSystemAvailableFeatures} and
2007     * {@link #hasSystemFeature}: The device includes a light sensor.
2008     */
2009    @SdkConstant(SdkConstantType.FEATURE)
2010    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
2011
2012    /**
2013     * Feature for {@link #getSystemAvailableFeatures} and
2014     * {@link #hasSystemFeature}: The device includes a proximity sensor.
2015     */
2016    @SdkConstant(SdkConstantType.FEATURE)
2017    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
2018
2019    /**
2020     * Feature for {@link #getSystemAvailableFeatures} and
2021     * {@link #hasSystemFeature}: The device includes a hardware step counter.
2022     */
2023    @SdkConstant(SdkConstantType.FEATURE)
2024    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
2025
2026    /**
2027     * Feature for {@link #getSystemAvailableFeatures} and
2028     * {@link #hasSystemFeature}: The device includes a hardware step detector.
2029     */
2030    @SdkConstant(SdkConstantType.FEATURE)
2031    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
2032
2033    /**
2034     * Feature for {@link #getSystemAvailableFeatures} and
2035     * {@link #hasSystemFeature}: The device includes a heart rate monitor.
2036     */
2037    @SdkConstant(SdkConstantType.FEATURE)
2038    public static final String FEATURE_SENSOR_HEART_RATE = "android.hardware.sensor.heartrate";
2039
2040    /**
2041     * Feature for {@link #getSystemAvailableFeatures} and
2042     * {@link #hasSystemFeature}: The heart rate sensor on this device is an Electrocardiogram.
2043     */
2044    @SdkConstant(SdkConstantType.FEATURE)
2045    public static final String FEATURE_SENSOR_HEART_RATE_ECG =
2046            "android.hardware.sensor.heartrate.ecg";
2047
2048    /**
2049     * Feature for {@link #getSystemAvailableFeatures} and
2050     * {@link #hasSystemFeature}: The device includes a relative humidity sensor.
2051     */
2052    @SdkConstant(SdkConstantType.FEATURE)
2053    public static final String FEATURE_SENSOR_RELATIVE_HUMIDITY =
2054            "android.hardware.sensor.relative_humidity";
2055
2056    /**
2057     * Feature for {@link #getSystemAvailableFeatures} and
2058     * {@link #hasSystemFeature}: The device includes an ambient temperature sensor.
2059     */
2060    @SdkConstant(SdkConstantType.FEATURE)
2061    public static final String FEATURE_SENSOR_AMBIENT_TEMPERATURE =
2062            "android.hardware.sensor.ambient_temperature";
2063
2064    /**
2065     * Feature for {@link #getSystemAvailableFeatures} and
2066     * {@link #hasSystemFeature}: The device supports high fidelity sensor processing
2067     * capabilities.
2068     */
2069    @SdkConstant(SdkConstantType.FEATURE)
2070    public static final String FEATURE_HIFI_SENSORS =
2071            "android.hardware.sensor.hifi_sensors";
2072
2073    /**
2074     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2075     * The device supports a hardware mechanism for invoking an assist gesture.
2076     * @see android.provider.Settings.Secure#ASSIST_GESTURE_ENABLED
2077     * @hide
2078     */
2079    @SdkConstant(SdkConstantType.FEATURE)
2080    public static final String FEATURE_ASSIST_GESTURE = "android.hardware.sensor.assist";
2081
2082    /**
2083     * Feature for {@link #getSystemAvailableFeatures} and
2084     * {@link #hasSystemFeature}: The device has a telephony radio with data
2085     * communication support.
2086     */
2087    @SdkConstant(SdkConstantType.FEATURE)
2088    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
2089
2090    /**
2091     * Feature for {@link #getSystemAvailableFeatures} and
2092     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
2093     */
2094    @SdkConstant(SdkConstantType.FEATURE)
2095    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
2096
2097    /**
2098     * Feature for {@link #getSystemAvailableFeatures} and
2099     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
2100     */
2101    @SdkConstant(SdkConstantType.FEATURE)
2102    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
2103
2104    /**
2105     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2106     * The device supports telephony carrier restriction mechanism.
2107     *
2108     * <p>Devices declaring this feature must have an implementation of the
2109     * {@link android.telephony.TelephonyManager#getAllowedCarriers} and
2110     * {@link android.telephony.TelephonyManager#setAllowedCarriers}.
2111     * @hide
2112     */
2113    @SystemApi
2114    @SdkConstant(SdkConstantType.FEATURE)
2115    public static final String FEATURE_TELEPHONY_CARRIERLOCK =
2116            "android.hardware.telephony.carrierlock";
2117
2118    /**
2119     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device
2120     * supports embedded subscriptions on eUICCs.
2121     */
2122    @SdkConstant(SdkConstantType.FEATURE)
2123    public static final String FEATURE_TELEPHONY_EUICC = "android.hardware.telephony.euicc";
2124
2125    /**
2126     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device
2127     * supports cell-broadcast reception using the MBMS APIs.
2128     */
2129    @SdkConstant(SdkConstantType.FEATURE)
2130    public static final String FEATURE_TELEPHONY_MBMS = "android.hardware.telephony.mbms";
2131
2132    /**
2133     * Feature for {@link #getSystemAvailableFeatures} and
2134     * {@link #hasSystemFeature}: The device supports connecting to USB devices
2135     * as the USB host.
2136     */
2137    @SdkConstant(SdkConstantType.FEATURE)
2138    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
2139
2140    /**
2141     * Feature for {@link #getSystemAvailableFeatures} and
2142     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
2143     */
2144    @SdkConstant(SdkConstantType.FEATURE)
2145    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
2146
2147    /**
2148     * Feature for {@link #getSystemAvailableFeatures} and
2149     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
2150     */
2151    @SdkConstant(SdkConstantType.FEATURE)
2152    public static final String FEATURE_SIP = "android.software.sip";
2153
2154    /**
2155     * Feature for {@link #getSystemAvailableFeatures} and
2156     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
2157     */
2158    @SdkConstant(SdkConstantType.FEATURE)
2159    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
2160
2161    /**
2162     * Feature for {@link #getSystemAvailableFeatures} and
2163     * {@link #hasSystemFeature}: The Connection Service API is enabled on the device.
2164     */
2165    @SdkConstant(SdkConstantType.FEATURE)
2166    public static final String FEATURE_CONNECTION_SERVICE = "android.software.connectionservice";
2167
2168    /**
2169     * Feature for {@link #getSystemAvailableFeatures} and
2170     * {@link #hasSystemFeature}: The device's display has a touch screen.
2171     */
2172    @SdkConstant(SdkConstantType.FEATURE)
2173    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
2174
2175    /**
2176     * Feature for {@link #getSystemAvailableFeatures} and
2177     * {@link #hasSystemFeature}: The device's touch screen supports
2178     * multitouch sufficient for basic two-finger gesture detection.
2179     */
2180    @SdkConstant(SdkConstantType.FEATURE)
2181    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
2182
2183    /**
2184     * Feature for {@link #getSystemAvailableFeatures} and
2185     * {@link #hasSystemFeature}: The device's touch screen is capable of
2186     * tracking two or more fingers fully independently.
2187     */
2188    @SdkConstant(SdkConstantType.FEATURE)
2189    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
2190
2191    /**
2192     * Feature for {@link #getSystemAvailableFeatures} and
2193     * {@link #hasSystemFeature}: The device's touch screen is capable of
2194     * tracking a full hand of fingers fully independently -- that is, 5 or
2195     * more simultaneous independent pointers.
2196     */
2197    @SdkConstant(SdkConstantType.FEATURE)
2198    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
2199
2200    /**
2201     * Feature for {@link #getSystemAvailableFeatures} and
2202     * {@link #hasSystemFeature}: The device does not have a touch screen, but
2203     * does support touch emulation for basic events. For instance, the
2204     * device might use a mouse or remote control to drive a cursor, and
2205     * emulate basic touch pointer events like down, up, drag, etc. All
2206     * devices that support android.hardware.touchscreen or a sub-feature are
2207     * presumed to also support faketouch.
2208     */
2209    @SdkConstant(SdkConstantType.FEATURE)
2210    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
2211
2212    /**
2213     * Feature for {@link #getSystemAvailableFeatures} and
2214     * {@link #hasSystemFeature}: The device does not have a touch screen, but
2215     * does support touch emulation for basic events that supports distinct
2216     * tracking of two or more fingers.  This is an extension of
2217     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
2218     * that unlike a distinct multitouch screen as defined by
2219     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
2220     * devices will not actually provide full two-finger gestures since the
2221     * input is being transformed to cursor movement on the screen.  That is,
2222     * single finger gestures will move a cursor; two-finger swipes will
2223     * result in single-finger touch events; other two-finger gestures will
2224     * result in the corresponding two-finger touch event.
2225     */
2226    @SdkConstant(SdkConstantType.FEATURE)
2227    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
2228
2229    /**
2230     * Feature for {@link #getSystemAvailableFeatures} and
2231     * {@link #hasSystemFeature}: The device does not have a touch screen, but
2232     * does support touch emulation for basic events that supports tracking
2233     * a hand of fingers (5 or more fingers) fully independently.
2234     * This is an extension of
2235     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
2236     * that unlike a multitouch screen as defined by
2237     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
2238     * gestures can be detected due to the limitations described for
2239     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
2240     */
2241    @SdkConstant(SdkConstantType.FEATURE)
2242    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
2243
2244    /**
2245     * Feature for {@link #getSystemAvailableFeatures} and
2246     * {@link #hasSystemFeature}: The device has biometric hardware to detect a fingerprint.
2247      */
2248    @SdkConstant(SdkConstantType.FEATURE)
2249    public static final String FEATURE_FINGERPRINT = "android.hardware.fingerprint";
2250
2251    /**
2252     * Feature for {@link #getSystemAvailableFeatures} and
2253     * {@link #hasSystemFeature}: The device supports portrait orientation
2254     * screens.  For backwards compatibility, you can assume that if neither
2255     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
2256     * both portrait and landscape.
2257     */
2258    @SdkConstant(SdkConstantType.FEATURE)
2259    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
2260
2261    /**
2262     * Feature for {@link #getSystemAvailableFeatures} and
2263     * {@link #hasSystemFeature}: The device supports landscape orientation
2264     * screens.  For backwards compatibility, you can assume that if neither
2265     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
2266     * both portrait and landscape.
2267     */
2268    @SdkConstant(SdkConstantType.FEATURE)
2269    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
2270
2271    /**
2272     * Feature for {@link #getSystemAvailableFeatures} and
2273     * {@link #hasSystemFeature}: The device supports live wallpapers.
2274     */
2275    @SdkConstant(SdkConstantType.FEATURE)
2276    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
2277    /**
2278     * Feature for {@link #getSystemAvailableFeatures} and
2279     * {@link #hasSystemFeature}: The device supports app widgets.
2280     */
2281    @SdkConstant(SdkConstantType.FEATURE)
2282    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
2283
2284    /**
2285     * @hide
2286     * Feature for {@link #getSystemAvailableFeatures} and
2287     * {@link #hasSystemFeature}: The device supports
2288     * {@link android.service.voice.VoiceInteractionService} and
2289     * {@link android.app.VoiceInteractor}.
2290     */
2291    @SdkConstant(SdkConstantType.FEATURE)
2292    public static final String FEATURE_VOICE_RECOGNIZERS = "android.software.voice_recognizers";
2293
2294
2295    /**
2296     * Feature for {@link #getSystemAvailableFeatures} and
2297     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
2298     * by third party applications.
2299     */
2300    @SdkConstant(SdkConstantType.FEATURE)
2301    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
2302
2303    /**
2304     * Feature for {@link #getSystemAvailableFeatures} and
2305     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
2306     * with the {@link android.inputmethodservice.InputMethodService} API.
2307     */
2308    @SdkConstant(SdkConstantType.FEATURE)
2309    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
2310
2311    /**
2312     * Feature for {@link #getSystemAvailableFeatures} and
2313     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
2314     */
2315    @SdkConstant(SdkConstantType.FEATURE)
2316    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
2317
2318    /**
2319     * Feature for {@link #getSystemAvailableFeatures} and
2320     * {@link #hasSystemFeature}: The device supports leanback UI. This is
2321     * typically used in a living room television experience, but is a software
2322     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
2323     * feature will use resources associated with the "television" UI mode.
2324     */
2325    @SdkConstant(SdkConstantType.FEATURE)
2326    public static final String FEATURE_LEANBACK = "android.software.leanback";
2327
2328    /**
2329     * Feature for {@link #getSystemAvailableFeatures} and
2330     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
2331     * applications designed for this experience should be run, though this is
2332     * not enforced by the system.
2333     */
2334    @SdkConstant(SdkConstantType.FEATURE)
2335    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
2336
2337    /**
2338     * Feature for {@link #getSystemAvailableFeatures} and
2339     * {@link #hasSystemFeature}: The device supports live TV and can display
2340     * contents from TV inputs implemented with the
2341     * {@link android.media.tv.TvInputService} API.
2342     */
2343    @SdkConstant(SdkConstantType.FEATURE)
2344    public static final String FEATURE_LIVE_TV = "android.software.live_tv";
2345
2346    /**
2347     * Feature for {@link #getSystemAvailableFeatures} and
2348     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
2349     */
2350    @SdkConstant(SdkConstantType.FEATURE)
2351    public static final String FEATURE_WIFI = "android.hardware.wifi";
2352
2353    /**
2354     * Feature for {@link #getSystemAvailableFeatures} and
2355     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
2356     */
2357    @SdkConstant(SdkConstantType.FEATURE)
2358    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
2359
2360    /**
2361     * Feature for {@link #getSystemAvailableFeatures} and
2362     * {@link #hasSystemFeature}: The device supports Wi-Fi Aware.
2363     */
2364    @SdkConstant(SdkConstantType.FEATURE)
2365    public static final String FEATURE_WIFI_AWARE = "android.hardware.wifi.aware";
2366
2367    /**
2368     * Feature for {@link #getSystemAvailableFeatures} and
2369     * {@link #hasSystemFeature}: The device supports Wi-Fi Passpoint and all
2370     * Passpoint related APIs in {@link WifiManager} are supported. Refer to
2371     * {@link WifiManager#addOrUpdatePasspointConfiguration} for more info.
2372     */
2373    @SdkConstant(SdkConstantType.FEATURE)
2374    public static final String FEATURE_WIFI_PASSPOINT = "android.hardware.wifi.passpoint";
2375
2376    /**
2377     * Feature for {@link #getSystemAvailableFeatures} and
2378     * {@link #hasSystemFeature}: The device supports Wi-Fi RTT (IEEE 802.11mc).
2379     */
2380    @SdkConstant(SdkConstantType.FEATURE)
2381    public static final String FEATURE_WIFI_RTT = "android.hardware.wifi.rtt";
2382
2383
2384    /**
2385     * Feature for {@link #getSystemAvailableFeatures} and
2386     * {@link #hasSystemFeature}: The device supports LoWPAN networking.
2387     * @hide
2388     */
2389    @SdkConstant(SdkConstantType.FEATURE)
2390    public static final String FEATURE_LOWPAN = "android.hardware.lowpan";
2391
2392    /**
2393     * Feature for {@link #getSystemAvailableFeatures} and
2394     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
2395     * on a vehicle headunit. A headunit here is defined to be inside a
2396     * vehicle that may or may not be moving. A headunit uses either a
2397     * primary display in the center console and/or additional displays in
2398     * the instrument cluster or elsewhere in the vehicle. Headunit display(s)
2399     * have limited size and resolution. The user will likely be focused on
2400     * driving so limiting driver distraction is a primary concern. User input
2401     * can be a variety of hard buttons, touch, rotary controllers and even mouse-
2402     * like interfaces.
2403     */
2404    @SdkConstant(SdkConstantType.FEATURE)
2405    public static final String FEATURE_AUTOMOTIVE = "android.hardware.type.automotive";
2406
2407    /**
2408     * Feature for {@link #getSystemAvailableFeatures} and
2409     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
2410     * on a television.  Television here is defined to be a typical living
2411     * room television experience: displayed on a big screen, where the user
2412     * is sitting far away from it, and the dominant form of input will be
2413     * something like a DPAD, not through touch or mouse.
2414     * @deprecated use {@link #FEATURE_LEANBACK} instead.
2415     */
2416    @Deprecated
2417    @SdkConstant(SdkConstantType.FEATURE)
2418    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
2419
2420    /**
2421     * Feature for {@link #getSystemAvailableFeatures} and
2422     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
2423     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
2424     * the wrist. The user is very close when interacting with the device.
2425     */
2426    @SdkConstant(SdkConstantType.FEATURE)
2427    public static final String FEATURE_WATCH = "android.hardware.type.watch";
2428
2429    /**
2430     * Feature for {@link #getSystemAvailableFeatures} and
2431     * {@link #hasSystemFeature}: This is a device for IoT and may not have an UI. An embedded
2432     * device is defined as a full stack Android device with or without a display and no
2433     * user-installable apps.
2434     */
2435    @SdkConstant(SdkConstantType.FEATURE)
2436    public static final String FEATURE_EMBEDDED = "android.hardware.type.embedded";
2437
2438    /**
2439     * Feature for {@link #getSystemAvailableFeatures} and
2440     * {@link #hasSystemFeature}: This is a device dedicated to be primarily used
2441     * with keyboard, mouse or touchpad. This includes traditional desktop
2442     * computers, laptops and variants such as convertibles or detachables.
2443     * Due to the larger screen, the device will most likely use the
2444     * {@link #FEATURE_FREEFORM_WINDOW_MANAGEMENT} feature as well.
2445     */
2446    @SdkConstant(SdkConstantType.FEATURE)
2447    public static final String FEATURE_PC = "android.hardware.type.pc";
2448
2449    /**
2450     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2451     * The device supports printing.
2452     */
2453    @SdkConstant(SdkConstantType.FEATURE)
2454    public static final String FEATURE_PRINTING = "android.software.print";
2455
2456    /**
2457     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2458     * The device supports {@link android.companion.CompanionDeviceManager#associate associating}
2459     * with devices via {@link android.companion.CompanionDeviceManager}.
2460     */
2461    @SdkConstant(SdkConstantType.FEATURE)
2462    public static final String FEATURE_COMPANION_DEVICE_SETUP
2463            = "android.software.companion_device_setup";
2464
2465    /**
2466     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2467     * The device can perform backup and restore operations on installed applications.
2468     */
2469    @SdkConstant(SdkConstantType.FEATURE)
2470    public static final String FEATURE_BACKUP = "android.software.backup";
2471
2472    /**
2473     * Feature for {@link #getSystemAvailableFeatures} and
2474     * {@link #hasSystemFeature}: The device supports freeform window management.
2475     * Windows have title bars and can be moved and resized.
2476     */
2477    // If this feature is present, you also need to set
2478    // com.android.internal.R.config_freeformWindowManagement to true in your configuration overlay.
2479    @SdkConstant(SdkConstantType.FEATURE)
2480    public static final String FEATURE_FREEFORM_WINDOW_MANAGEMENT
2481            = "android.software.freeform_window_management";
2482
2483    /**
2484     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2485     * The device supports picture-in-picture multi-window mode.
2486     */
2487    @SdkConstant(SdkConstantType.FEATURE)
2488    public static final String FEATURE_PICTURE_IN_PICTURE = "android.software.picture_in_picture";
2489
2490    /**
2491     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2492     * The device supports running activities on secondary displays.
2493     */
2494    @SdkConstant(SdkConstantType.FEATURE)
2495    public static final String FEATURE_ACTIVITIES_ON_SECONDARY_DISPLAYS
2496            = "android.software.activities_on_secondary_displays";
2497
2498    /**
2499     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2500     * The device supports creating secondary users and managed profiles via
2501     * {@link DevicePolicyManager}.
2502     */
2503    @SdkConstant(SdkConstantType.FEATURE)
2504    public static final String FEATURE_MANAGED_USERS = "android.software.managed_users";
2505
2506    /**
2507     * @hide
2508     * TODO: Remove after dependencies updated b/17392243
2509     */
2510    public static final String FEATURE_MANAGED_PROFILES = "android.software.managed_users";
2511
2512    /**
2513     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2514     * The device supports verified boot.
2515     */
2516    @SdkConstant(SdkConstantType.FEATURE)
2517    public static final String FEATURE_VERIFIED_BOOT = "android.software.verified_boot";
2518
2519    /**
2520     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2521     * The device supports secure removal of users. When a user is deleted the data associated
2522     * with that user is securely deleted and no longer available.
2523     */
2524    @SdkConstant(SdkConstantType.FEATURE)
2525    public static final String FEATURE_SECURELY_REMOVES_USERS
2526            = "android.software.securely_removes_users";
2527
2528    /** {@hide} */
2529    @TestApi
2530    @SdkConstant(SdkConstantType.FEATURE)
2531    public static final String FEATURE_FILE_BASED_ENCRYPTION
2532            = "android.software.file_based_encryption";
2533
2534    /** {@hide} */
2535    @TestApi
2536    @SdkConstant(SdkConstantType.FEATURE)
2537    public static final String FEATURE_ADOPTABLE_STORAGE
2538            = "android.software.adoptable_storage";
2539
2540    /**
2541     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2542     * The device has a full implementation of the android.webkit.* APIs. Devices
2543     * lacking this feature will not have a functioning WebView implementation.
2544     */
2545    @SdkConstant(SdkConstantType.FEATURE)
2546    public static final String FEATURE_WEBVIEW = "android.software.webview";
2547
2548    /**
2549     * Feature for {@link #getSystemAvailableFeatures} and
2550     * {@link #hasSystemFeature}: This device supports ethernet.
2551     */
2552    @SdkConstant(SdkConstantType.FEATURE)
2553    public static final String FEATURE_ETHERNET = "android.hardware.ethernet";
2554
2555    /**
2556     * Feature for {@link #getSystemAvailableFeatures} and
2557     * {@link #hasSystemFeature}: This device supports HDMI-CEC.
2558     * @hide
2559     */
2560    @SdkConstant(SdkConstantType.FEATURE)
2561    public static final String FEATURE_HDMI_CEC = "android.hardware.hdmi.cec";
2562
2563    /**
2564     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2565     * The device has all of the inputs necessary to be considered a compatible game controller, or
2566     * includes a compatible game controller in the box.
2567     */
2568    @SdkConstant(SdkConstantType.FEATURE)
2569    public static final String FEATURE_GAMEPAD = "android.hardware.gamepad";
2570
2571    /**
2572     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2573     * The device has a full implementation of the android.media.midi.* APIs.
2574     */
2575    @SdkConstant(SdkConstantType.FEATURE)
2576    public static final String FEATURE_MIDI = "android.software.midi";
2577
2578    /**
2579     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2580     * The device implements an optimized mode for virtual reality (VR) applications that handles
2581     * stereoscopic rendering of notifications, and disables most monocular system UI components
2582     * while a VR application has user focus.
2583     * Devices declaring this feature must include an application implementing a
2584     * {@link android.service.vr.VrListenerService} that can be targeted by VR applications via
2585     * {@link android.app.Activity#setVrModeEnabled}.
2586     * @deprecated use {@link #FEATURE_VR_MODE_HIGH_PERFORMANCE} instead.
2587     */
2588    @Deprecated
2589    @SdkConstant(SdkConstantType.FEATURE)
2590    public static final String FEATURE_VR_MODE = "android.software.vr.mode";
2591
2592    /**
2593     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2594     * The device implements an optimized mode for virtual reality (VR) applications that handles
2595     * stereoscopic rendering of notifications, disables most monocular system UI components
2596     * while a VR application has user focus and meets extra CDD requirements to provide a
2597     * high-quality VR experience.
2598     * Devices declaring this feature must include an application implementing a
2599     * {@link android.service.vr.VrListenerService} that can be targeted by VR applications via
2600     * {@link android.app.Activity#setVrModeEnabled}.
2601     * and must meet CDD requirements to provide a high-quality VR experience.
2602     */
2603    @SdkConstant(SdkConstantType.FEATURE)
2604    public static final String FEATURE_VR_MODE_HIGH_PERFORMANCE
2605            = "android.hardware.vr.high_performance";
2606
2607    /**
2608     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2609     * The device supports autofill of user credentials, addresses, credit cards, etc
2610     * via integration with {@link android.service.autofill.AutofillService autofill
2611     * providers}.
2612     */
2613    @SdkConstant(SdkConstantType.FEATURE)
2614    public static final String FEATURE_AUTOFILL = "android.software.autofill";
2615
2616    /**
2617     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2618     * The device implements headtracking suitable for a VR device.
2619     */
2620    @SdkConstant(SdkConstantType.FEATURE)
2621    public static final String FEATURE_VR_HEADTRACKING = "android.hardware.vr.headtracking";
2622
2623    /**
2624     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
2625     * The device has a StrongBox hardware-backed Keystore.
2626     */
2627    @SdkConstant(SdkConstantType.FEATURE)
2628    public static final String FEATURE_STRONGBOX_KEYSTORE =
2629            "android.hardware.strongbox_keystore";
2630
2631    /**
2632     * Action to external storage service to clean out removed apps.
2633     * @hide
2634     */
2635    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
2636            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
2637
2638    /**
2639     * Extra field name for the URI to a verification file. Passed to a package
2640     * verifier.
2641     *
2642     * @hide
2643     */
2644    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
2645
2646    /**
2647     * Extra field name for the ID of a package pending verification. Passed to
2648     * a package verifier and is used to call back to
2649     * {@link PackageManager#verifyPendingInstall(int, int)}
2650     */
2651    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
2652
2653    /**
2654     * Extra field name for the package identifier which is trying to install
2655     * the package.
2656     *
2657     * @hide
2658     */
2659    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
2660            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
2661
2662    /**
2663     * Extra field name for the requested install flags for a package pending
2664     * verification. Passed to a package verifier.
2665     *
2666     * @hide
2667     */
2668    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
2669            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
2670
2671    /**
2672     * Extra field name for the uid of who is requesting to install
2673     * the package.
2674     *
2675     * @hide
2676     */
2677    public static final String EXTRA_VERIFICATION_INSTALLER_UID
2678            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
2679
2680    /**
2681     * Extra field name for the package name of a package pending verification.
2682     *
2683     * @hide
2684     */
2685    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
2686            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
2687    /**
2688     * Extra field name for the result of a verification, either
2689     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
2690     * Passed to package verifiers after a package is verified.
2691     */
2692    public static final String EXTRA_VERIFICATION_RESULT
2693            = "android.content.pm.extra.VERIFICATION_RESULT";
2694
2695    /**
2696     * Extra field name for the version code of a package pending verification.
2697     * @deprecated Use {@link #EXTRA_VERIFICATION_LONG_VERSION_CODE} instead.
2698     * @hide
2699     */
2700    @Deprecated
2701    public static final String EXTRA_VERIFICATION_VERSION_CODE
2702            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
2703
2704    /**
2705     * Extra field name for the long version code of a package pending verification.
2706     *
2707     * @hide
2708     */
2709    public static final String EXTRA_VERIFICATION_LONG_VERSION_CODE =
2710            "android.content.pm.extra.VERIFICATION_LONG_VERSION_CODE";
2711
2712    /**
2713     * Extra field name for the ID of a intent filter pending verification.
2714     * Passed to an intent filter verifier and is used to call back to
2715     * {@link #verifyIntentFilter}
2716     *
2717     * @hide
2718     */
2719    public static final String EXTRA_INTENT_FILTER_VERIFICATION_ID
2720            = "android.content.pm.extra.INTENT_FILTER_VERIFICATION_ID";
2721
2722    /**
2723     * Extra field name for the scheme used for an intent filter pending verification. Passed to
2724     * an intent filter verifier and is used to construct the URI to verify against.
2725     *
2726     * Usually this is "https"
2727     *
2728     * @hide
2729     */
2730    public static final String EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME
2731            = "android.content.pm.extra.INTENT_FILTER_VERIFICATION_URI_SCHEME";
2732
2733    /**
2734     * Extra field name for the host names to be used for an intent filter pending verification.
2735     * Passed to an intent filter verifier and is used to construct the URI to verify the
2736     * intent filter.
2737     *
2738     * This is a space delimited list of hosts.
2739     *
2740     * @hide
2741     */
2742    public static final String EXTRA_INTENT_FILTER_VERIFICATION_HOSTS
2743            = "android.content.pm.extra.INTENT_FILTER_VERIFICATION_HOSTS";
2744
2745    /**
2746     * Extra field name for the package name to be used for an intent filter pending verification.
2747     * Passed to an intent filter verifier and is used to check the verification responses coming
2748     * from the hosts. Each host response will need to include the package name of APK containing
2749     * the intent filter.
2750     *
2751     * @hide
2752     */
2753    public static final String EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME
2754            = "android.content.pm.extra.INTENT_FILTER_VERIFICATION_PACKAGE_NAME";
2755
2756    /**
2757     * The action used to request that the user approve a permission request
2758     * from the application.
2759     *
2760     * @hide
2761     */
2762    @SystemApi
2763    public static final String ACTION_REQUEST_PERMISSIONS =
2764            "android.content.pm.action.REQUEST_PERMISSIONS";
2765
2766    /**
2767     * The names of the requested permissions.
2768     * <p>
2769     * <strong>Type:</strong> String[]
2770     * </p>
2771     *
2772     * @hide
2773     */
2774    @SystemApi
2775    public static final String EXTRA_REQUEST_PERMISSIONS_NAMES =
2776            "android.content.pm.extra.REQUEST_PERMISSIONS_NAMES";
2777
2778    /**
2779     * The results from the permissions request.
2780     * <p>
2781     * <strong>Type:</strong> int[] of #PermissionResult
2782     * </p>
2783     *
2784     * @hide
2785     */
2786    @SystemApi
2787    public static final String EXTRA_REQUEST_PERMISSIONS_RESULTS
2788            = "android.content.pm.extra.REQUEST_PERMISSIONS_RESULTS";
2789
2790    /**
2791     * String extra for {@link PackageInstallObserver} in the 'extras' Bundle in case of
2792     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the package which provides
2793     * the existing definition for the permission.
2794     * @hide
2795     */
2796    public static final String EXTRA_FAILURE_EXISTING_PACKAGE
2797            = "android.content.pm.extra.FAILURE_EXISTING_PACKAGE";
2798
2799    /**
2800     * String extra for {@link PackageInstallObserver} in the 'extras' Bundle in case of
2801     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the permission that is
2802     * being redundantly defined by the package being installed.
2803     * @hide
2804     */
2805    public static final String EXTRA_FAILURE_EXISTING_PERMISSION
2806            = "android.content.pm.extra.FAILURE_EXISTING_PERMISSION";
2807
2808   /**
2809    * Permission flag: The permission is set in its current state
2810    * by the user and apps can still request it at runtime.
2811    *
2812    * @hide
2813    */
2814    @SystemApi
2815    public static final int FLAG_PERMISSION_USER_SET = 1 << 0;
2816
2817    /**
2818     * Permission flag: The permission is set in its current state
2819     * by the user and it is fixed, i.e. apps can no longer request
2820     * this permission.
2821     *
2822     * @hide
2823     */
2824    @SystemApi
2825    public static final int FLAG_PERMISSION_USER_FIXED =  1 << 1;
2826
2827    /**
2828     * Permission flag: The permission is set in its current state
2829     * by device policy and neither apps nor the user can change
2830     * its state.
2831     *
2832     * @hide
2833     */
2834    @SystemApi
2835    public static final int FLAG_PERMISSION_POLICY_FIXED =  1 << 2;
2836
2837    /**
2838     * Permission flag: The permission is set in a granted state but
2839     * access to resources it guards is restricted by other means to
2840     * enable revoking a permission on legacy apps that do not support
2841     * runtime permissions. If this permission is upgraded to runtime
2842     * because the app was updated to support runtime permissions, the
2843     * the permission will be revoked in the upgrade process.
2844     *
2845     * @hide
2846     */
2847    @SystemApi
2848    public static final int FLAG_PERMISSION_REVOKE_ON_UPGRADE =  1 << 3;
2849
2850    /**
2851     * Permission flag: The permission is set in its current state
2852     * because the app is a component that is a part of the system.
2853     *
2854     * @hide
2855     */
2856    @SystemApi
2857    public static final int FLAG_PERMISSION_SYSTEM_FIXED =  1 << 4;
2858
2859    /**
2860     * Permission flag: The permission is granted by default because it
2861     * enables app functionality that is expected to work out-of-the-box
2862     * for providing a smooth user experience. For example, the phone app
2863     * is expected to have the phone permission.
2864     *
2865     * @hide
2866     */
2867    @SystemApi
2868    public static final int FLAG_PERMISSION_GRANTED_BY_DEFAULT =  1 << 5;
2869
2870    /**
2871     * Permission flag: The permission has to be reviewed before any of
2872     * the app components can run.
2873     *
2874     * @hide
2875     */
2876    @SystemApi
2877    public static final int FLAG_PERMISSION_REVIEW_REQUIRED =  1 << 6;
2878
2879    /**
2880     * Mask for all permission flags.
2881     *
2882     * @hide
2883     */
2884    @SystemApi
2885    public static final int MASK_PERMISSION_FLAGS = 0xFF;
2886
2887    /**
2888     * This is a library that contains components apps can invoke. For
2889     * example, a services for apps to bind to, or standard chooser UI,
2890     * etc. This library is versioned and backwards compatible. Clients
2891     * should check its version via {@link android.ext.services.Version
2892     * #getVersionCode()} and avoid calling APIs added in later versions.
2893     *
2894     * @hide
2895     */
2896    public static final String SYSTEM_SHARED_LIBRARY_SERVICES = "android.ext.services";
2897
2898    /**
2899     * This is a library that contains components apps can dynamically
2900     * load. For example, new widgets, helper classes, etc. This library
2901     * is versioned and backwards compatible. Clients should check its
2902     * version via {@link android.ext.shared.Version#getVersionCode()}
2903     * and avoid calling APIs added in later versions.
2904     *
2905     * @hide
2906     */
2907    public static final String SYSTEM_SHARED_LIBRARY_SHARED = "android.ext.shared";
2908
2909    /**
2910     * Used when starting a process for an Activity.
2911     *
2912     * @hide
2913     */
2914    public static final int NOTIFY_PACKAGE_USE_ACTIVITY = 0;
2915
2916    /**
2917     * Used when starting a process for a Service.
2918     *
2919     * @hide
2920     */
2921    public static final int NOTIFY_PACKAGE_USE_SERVICE = 1;
2922
2923    /**
2924     * Used when moving a Service to the foreground.
2925     *
2926     * @hide
2927     */
2928    public static final int NOTIFY_PACKAGE_USE_FOREGROUND_SERVICE = 2;
2929
2930    /**
2931     * Used when starting a process for a BroadcastReceiver.
2932     *
2933     * @hide
2934     */
2935    public static final int NOTIFY_PACKAGE_USE_BROADCAST_RECEIVER = 3;
2936
2937    /**
2938     * Used when starting a process for a ContentProvider.
2939     *
2940     * @hide
2941     */
2942    public static final int NOTIFY_PACKAGE_USE_CONTENT_PROVIDER = 4;
2943
2944    /**
2945     * Used when starting a process for a BroadcastReceiver.
2946     *
2947     * @hide
2948     */
2949    public static final int NOTIFY_PACKAGE_USE_BACKUP = 5;
2950
2951    /**
2952     * Used with Context.getClassLoader() across Android packages.
2953     *
2954     * @hide
2955     */
2956    public static final int NOTIFY_PACKAGE_USE_CROSS_PACKAGE = 6;
2957
2958    /**
2959     * Used when starting a package within a process for Instrumentation.
2960     *
2961     * @hide
2962     */
2963    public static final int NOTIFY_PACKAGE_USE_INSTRUMENTATION = 7;
2964
2965    /**
2966     * Total number of usage reasons.
2967     *
2968     * @hide
2969     */
2970    public static final int NOTIFY_PACKAGE_USE_REASONS_COUNT = 8;
2971
2972    /**
2973     * Constant for specifying the highest installed package version code.
2974     */
2975    public static final int VERSION_CODE_HIGHEST = -1;
2976
2977    /** {@hide} */
2978    public int getUserId() {
2979        return UserHandle.myUserId();
2980    }
2981
2982    /**
2983     * Retrieve overall information about an application package that is
2984     * installed on the system.
2985     *
2986     * @param packageName The full name (i.e. com.google.apps.contacts) of the
2987     *            desired package.
2988     * @param flags Additional option flags to modify the data returned.
2989     * @return A PackageInfo object containing information about the package. If
2990     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set and if the package
2991     *         is not found in the list of installed applications, the package
2992     *         information is retrieved from the list of uninstalled
2993     *         applications (which includes installed applications as well as
2994     *         applications with data directory i.e. applications which had been
2995     *         deleted with {@code DONT_DELETE_DATA} flag set).
2996     * @throws NameNotFoundException if a package with the given name cannot be
2997     *             found on the system.
2998     */
2999    public abstract PackageInfo getPackageInfo(String packageName, @PackageInfoFlags int flags)
3000            throws NameNotFoundException;
3001
3002    /**
3003     * Retrieve overall information about an application package that is
3004     * installed on the system. This method can be used for retrieving
3005     * information about packages for which multiple versions can be installed
3006     * at the time. Currently only packages hosting static shared libraries can
3007     * have multiple installed versions. The method can also be used to get info
3008     * for a package that has a single version installed by passing
3009     * {@link #VERSION_CODE_HIGHEST} in the {@link VersionedPackage}
3010     * constructor.
3011     *
3012     * @param versionedPackage The versioned package for which to query.
3013     * @param flags Additional option flags to modify the data returned.
3014     * @return A PackageInfo object containing information about the package. If
3015     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set and if the package
3016     *         is not found in the list of installed applications, the package
3017     *         information is retrieved from the list of uninstalled
3018     *         applications (which includes installed applications as well as
3019     *         applications with data directory i.e. applications which had been
3020     *         deleted with {@code DONT_DELETE_DATA} flag set).
3021     * @throws NameNotFoundException if a package with the given name cannot be
3022     *             found on the system.
3023     */
3024    public abstract PackageInfo getPackageInfo(VersionedPackage versionedPackage,
3025            @PackageInfoFlags int flags) throws NameNotFoundException;
3026
3027    /**
3028     * Retrieve overall information about an application package that is
3029     * installed on the system.
3030     *
3031     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3032     *            desired package.
3033     * @param flags Additional option flags to modify the data returned.
3034     * @param userId The user id.
3035     * @return A PackageInfo object containing information about the package. If
3036     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set and if the package
3037     *         is not found in the list of installed applications, the package
3038     *         information is retrieved from the list of uninstalled
3039     *         applications (which includes installed applications as well as
3040     *         applications with data directory i.e. applications which had been
3041     *         deleted with {@code DONT_DELETE_DATA} flag set).
3042     * @throws NameNotFoundException if a package with the given name cannot be
3043     *             found on the system.
3044     * @hide
3045     */
3046    @RequiresPermission(Manifest.permission.INTERACT_ACROSS_USERS)
3047    public abstract PackageInfo getPackageInfoAsUser(String packageName,
3048            @PackageInfoFlags int flags, @UserIdInt int userId) throws NameNotFoundException;
3049
3050    /**
3051     * Map from the current package names in use on the device to whatever
3052     * the current canonical name of that package is.
3053     * @param names Array of current names to be mapped.
3054     * @return Returns an array of the same size as the original, containing
3055     * the canonical name for each package.
3056     */
3057    public abstract String[] currentToCanonicalPackageNames(String[] names);
3058
3059    /**
3060     * Map from a packages canonical name to the current name in use on the device.
3061     * @param names Array of new names to be mapped.
3062     * @return Returns an array of the same size as the original, containing
3063     * the current name for each package.
3064     */
3065    public abstract String[] canonicalToCurrentPackageNames(String[] names);
3066
3067    /**
3068     * Returns a "good" intent to launch a front-door activity in a package.
3069     * This is used, for example, to implement an "open" button when browsing
3070     * through packages.  The current implementation looks first for a main
3071     * activity in the category {@link Intent#CATEGORY_INFO}, and next for a
3072     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}. Returns
3073     * <code>null</code> if neither are found.
3074     *
3075     * @param packageName The name of the package to inspect.
3076     *
3077     * @return A fully-qualified {@link Intent} that can be used to launch the
3078     * main activity in the package. Returns <code>null</code> if the package
3079     * does not contain such an activity, or if <em>packageName</em> is not
3080     * recognized.
3081     */
3082    public abstract @Nullable Intent getLaunchIntentForPackage(@NonNull String packageName);
3083
3084    /**
3085     * Return a "good" intent to launch a front-door Leanback activity in a
3086     * package, for use for example to implement an "open" button when browsing
3087     * through packages. The current implementation will look for a main
3088     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
3089     * return null if no main leanback activities are found.
3090     *
3091     * @param packageName The name of the package to inspect.
3092     * @return Returns either a fully-qualified Intent that can be used to launch
3093     *         the main Leanback activity in the package, or null if the package
3094     *         does not contain such an activity.
3095     */
3096    public abstract @Nullable Intent getLeanbackLaunchIntentForPackage(@NonNull String packageName);
3097
3098    /**
3099     * Return a "good" intent to launch a front-door Car activity in a
3100     * package, for use for example to implement an "open" button when browsing
3101     * through packages. The current implementation will look for a main
3102     * activity in the category {@link Intent#CATEGORY_CAR_LAUNCHER}, or
3103     * return null if no main car activities are found.
3104     *
3105     * @param packageName The name of the package to inspect.
3106     * @return Returns either a fully-qualified Intent that can be used to launch
3107     *         the main Car activity in the package, or null if the package
3108     *         does not contain such an activity.
3109     * @hide
3110     */
3111    public abstract @Nullable Intent getCarLaunchIntentForPackage(@NonNull String packageName);
3112
3113    /**
3114     * Return an array of all of the POSIX secondary group IDs that have been
3115     * assigned to the given package.
3116     * <p>
3117     * Note that the same package may have different GIDs under different
3118     * {@link UserHandle} on the same device.
3119     *
3120     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3121     *            desired package.
3122     * @return Returns an int array of the assigned GIDs, or null if there are
3123     *         none.
3124     * @throws NameNotFoundException if a package with the given name cannot be
3125     *             found on the system.
3126     */
3127    public abstract int[] getPackageGids(@NonNull String packageName)
3128            throws NameNotFoundException;
3129
3130    /**
3131     * Return an array of all of the POSIX secondary group IDs that have been
3132     * assigned to the given package.
3133     * <p>
3134     * Note that the same package may have different GIDs under different
3135     * {@link UserHandle} on the same device.
3136     *
3137     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3138     *            desired package.
3139     * @return Returns an int array of the assigned gids, or null if there are
3140     *         none.
3141     * @throws NameNotFoundException if a package with the given name cannot be
3142     *             found on the system.
3143     */
3144    public abstract int[] getPackageGids(String packageName, @PackageInfoFlags int flags)
3145            throws NameNotFoundException;
3146
3147    /**
3148     * Return the UID associated with the given package name.
3149     * <p>
3150     * Note that the same package will have different UIDs under different
3151     * {@link UserHandle} on the same device.
3152     *
3153     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3154     *            desired package.
3155     * @return Returns an integer UID who owns the given package name.
3156     * @throws NameNotFoundException if a package with the given name can not be
3157     *             found on the system.
3158     */
3159    public abstract int getPackageUid(String packageName, @PackageInfoFlags int flags)
3160            throws NameNotFoundException;
3161
3162    /**
3163     * Return the UID associated with the given package name.
3164     * <p>
3165     * Note that the same package will have different UIDs under different
3166     * {@link UserHandle} on the same device.
3167     *
3168     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3169     *            desired package.
3170     * @param userId The user handle identifier to look up the package under.
3171     * @return Returns an integer UID who owns the given package name.
3172     * @throws NameNotFoundException if a package with the given name can not be
3173     *             found on the system.
3174     * @hide
3175     */
3176    public abstract int getPackageUidAsUser(String packageName, @UserIdInt int userId)
3177            throws NameNotFoundException;
3178
3179    /**
3180     * Return the UID associated with the given package name.
3181     * <p>
3182     * Note that the same package will have different UIDs under different
3183     * {@link UserHandle} on the same device.
3184     *
3185     * @param packageName The full name (i.e. com.google.apps.contacts) of the
3186     *            desired package.
3187     * @param userId The user handle identifier to look up the package under.
3188     * @return Returns an integer UID who owns the given package name.
3189     * @throws NameNotFoundException if a package with the given name can not be
3190     *             found on the system.
3191     * @hide
3192     */
3193    public abstract int getPackageUidAsUser(String packageName, @PackageInfoFlags int flags,
3194            @UserIdInt int userId) throws NameNotFoundException;
3195
3196    /**
3197     * Retrieve all of the information we know about a particular permission.
3198     *
3199     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
3200     *            of the permission you are interested in.
3201     * @param flags Additional option flags to modify the data returned.
3202     * @return Returns a {@link PermissionInfo} containing information about the
3203     *         permission.
3204     * @throws NameNotFoundException if a package with the given name cannot be
3205     *             found on the system.
3206     */
3207    public abstract PermissionInfo getPermissionInfo(String name, @PermissionInfoFlags int flags)
3208            throws NameNotFoundException;
3209
3210    /**
3211     * Query for all of the permissions associated with a particular group.
3212     *
3213     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
3214     *            of the permission group you are interested in. Use null to
3215     *            find all of the permissions not associated with a group.
3216     * @param flags Additional option flags to modify the data returned.
3217     * @return Returns a list of {@link PermissionInfo} containing information
3218     *         about all of the permissions in the given group.
3219     * @throws NameNotFoundException if a package with the given name cannot be
3220     *             found on the system.
3221     */
3222    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
3223            @PermissionInfoFlags int flags) throws NameNotFoundException;
3224
3225    /**
3226     * Returns true if Permission Review Mode is enabled, false otherwise.
3227     *
3228     * @hide
3229     */
3230    @TestApi
3231    public abstract boolean isPermissionReviewModeEnabled();
3232
3233    /**
3234     * Retrieve all of the information we know about a particular group of
3235     * permissions.
3236     *
3237     * @param name The fully qualified name (i.e.
3238     *            com.google.permission_group.APPS) of the permission you are
3239     *            interested in.
3240     * @param flags Additional option flags to modify the data returned.
3241     * @return Returns a {@link PermissionGroupInfo} containing information
3242     *         about the permission.
3243     * @throws NameNotFoundException if a package with the given name cannot be
3244     *             found on the system.
3245     */
3246    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
3247            @PermissionGroupInfoFlags int flags) throws NameNotFoundException;
3248
3249    /**
3250     * Retrieve all of the known permission groups in the system.
3251     *
3252     * @param flags Additional option flags to modify the data returned.
3253     * @return Returns a list of {@link PermissionGroupInfo} containing
3254     *         information about all of the known permission groups.
3255     */
3256    public abstract List<PermissionGroupInfo> getAllPermissionGroups(
3257            @PermissionGroupInfoFlags int flags);
3258
3259    /**
3260     * Retrieve all of the information we know about a particular
3261     * package/application.
3262     *
3263     * @param packageName The full name (i.e. com.google.apps.contacts) of an
3264     *            application.
3265     * @param flags Additional option flags to modify the data returned.
3266     * @return An {@link ApplicationInfo} containing information about the
3267     *         package. If flag {@code MATCH_UNINSTALLED_PACKAGES} is set and if
3268     *         the package is not found in the list of installed applications,
3269     *         the application information is retrieved from the list of
3270     *         uninstalled applications (which includes installed applications
3271     *         as well as applications with data directory i.e. applications
3272     *         which had been deleted with {@code DONT_DELETE_DATA} flag set).
3273     * @throws NameNotFoundException if a package with the given name cannot be
3274     *             found on the system.
3275     */
3276    public abstract ApplicationInfo getApplicationInfo(String packageName,
3277            @ApplicationInfoFlags int flags) throws NameNotFoundException;
3278
3279    /** {@hide} */
3280    public abstract ApplicationInfo getApplicationInfoAsUser(String packageName,
3281            @ApplicationInfoFlags int flags, @UserIdInt int userId) throws NameNotFoundException;
3282
3283    /**
3284     * Retrieve all of the information we know about a particular activity
3285     * class.
3286     *
3287     * @param component The full component name (i.e.
3288     *            com.google.apps.contacts/com.google.apps.contacts.
3289     *            ContactsList) of an Activity class.
3290     * @param flags Additional option flags to modify the data returned.
3291     * @return An {@link ActivityInfo} containing information about the
3292     *         activity.
3293     * @throws NameNotFoundException if a package with the given name cannot be
3294     *             found on the system.
3295     */
3296    public abstract ActivityInfo getActivityInfo(ComponentName component,
3297            @ComponentInfoFlags int flags) throws NameNotFoundException;
3298
3299    /**
3300     * Retrieve all of the information we know about a particular receiver
3301     * class.
3302     *
3303     * @param component The full component name (i.e.
3304     *            com.google.apps.calendar/com.google.apps.calendar.
3305     *            CalendarAlarm) of a Receiver class.
3306     * @param flags Additional option flags to modify the data returned.
3307     * @return An {@link ActivityInfo} containing information about the
3308     *         receiver.
3309     * @throws NameNotFoundException if a package with the given name cannot be
3310     *             found on the system.
3311     */
3312    public abstract ActivityInfo getReceiverInfo(ComponentName component,
3313            @ComponentInfoFlags int flags) throws NameNotFoundException;
3314
3315    /**
3316     * Retrieve all of the information we know about a particular service class.
3317     *
3318     * @param component The full component name (i.e.
3319     *            com.google.apps.media/com.google.apps.media.
3320     *            BackgroundPlayback) of a Service class.
3321     * @param flags Additional option flags to modify the data returned.
3322     * @return A {@link ServiceInfo} object containing information about the
3323     *         service.
3324     * @throws NameNotFoundException if a package with the given name cannot be
3325     *             found on the system.
3326     */
3327    public abstract ServiceInfo getServiceInfo(ComponentName component,
3328            @ComponentInfoFlags int flags) throws NameNotFoundException;
3329
3330    /**
3331     * Retrieve all of the information we know about a particular content
3332     * provider class.
3333     *
3334     * @param component The full component name (i.e.
3335     *            com.google.providers.media/com.google.providers.media.
3336     *            MediaProvider) of a ContentProvider class.
3337     * @param flags Additional option flags to modify the data returned.
3338     * @return A {@link ProviderInfo} object containing information about the
3339     *         provider.
3340     * @throws NameNotFoundException if a package with the given name cannot be
3341     *             found on the system.
3342     */
3343    public abstract ProviderInfo getProviderInfo(ComponentName component,
3344            @ComponentInfoFlags int flags) throws NameNotFoundException;
3345
3346    /**
3347     * Return a List of all packages that are installed for the current user.
3348     *
3349     * @param flags Additional option flags to modify the data returned.
3350     * @return A List of PackageInfo objects, one for each installed package,
3351     *         containing information about the package. In the unlikely case
3352     *         there are no installed packages, an empty list is returned. If
3353     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set, the package
3354     *         information is retrieved from the list of uninstalled
3355     *         applications (which includes installed applications as well as
3356     *         applications with data directory i.e. applications which had been
3357     *         deleted with {@code DONT_DELETE_DATA} flag set).
3358     */
3359    public abstract List<PackageInfo> getInstalledPackages(@PackageInfoFlags int flags);
3360
3361    /**
3362     * Return a List of all installed packages that are currently holding any of
3363     * the given permissions.
3364     *
3365     * @param flags Additional option flags to modify the data returned.
3366     * @return A List of PackageInfo objects, one for each installed package
3367     *         that holds any of the permissions that were provided, containing
3368     *         information about the package. If no installed packages hold any
3369     *         of the permissions, an empty list is returned. If flag
3370     *         {@code MATCH_UNINSTALLED_PACKAGES} is set, the package
3371     *         information is retrieved from the list of uninstalled
3372     *         applications (which includes installed applications as well as
3373     *         applications with data directory i.e. applications which had been
3374     *         deleted with {@code DONT_DELETE_DATA} flag set).
3375     */
3376    public abstract List<PackageInfo> getPackagesHoldingPermissions(
3377            String[] permissions, @PackageInfoFlags int flags);
3378
3379    /**
3380     * Return a List of all packages that are installed on the device, for a
3381     * specific user.
3382     *
3383     * @param flags Additional option flags to modify the data returned.
3384     * @param userId The user for whom the installed packages are to be listed
3385     * @return A List of PackageInfo objects, one for each installed package,
3386     *         containing information about the package. In the unlikely case
3387     *         there are no installed packages, an empty list is returned. If
3388     *         flag {@code MATCH_UNINSTALLED_PACKAGES} is set, the package
3389     *         information is retrieved from the list of uninstalled
3390     *         applications (which includes installed applications as well as
3391     *         applications with data directory i.e. applications which had been
3392     *         deleted with {@code DONT_DELETE_DATA} flag set).
3393     * @hide
3394     */
3395    @SystemApi
3396    @RequiresPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL)
3397    public abstract List<PackageInfo> getInstalledPackagesAsUser(@PackageInfoFlags int flags,
3398            @UserIdInt int userId);
3399
3400    /**
3401     * Check whether a particular package has been granted a particular
3402     * permission.
3403     *
3404     * @param permName The name of the permission you are checking for.
3405     * @param pkgName The name of the package you are checking against.
3406     *
3407     * @return If the package has the permission, PERMISSION_GRANTED is
3408     * returned.  If it does not have the permission, PERMISSION_DENIED
3409     * is returned.
3410     *
3411     * @see #PERMISSION_GRANTED
3412     * @see #PERMISSION_DENIED
3413     */
3414    @CheckResult
3415    public abstract @PermissionResult int checkPermission(String permName, String pkgName);
3416
3417    /**
3418     * Checks whether a particular permissions has been revoked for a
3419     * package by policy. Typically the device owner or the profile owner
3420     * may apply such a policy. The user cannot grant policy revoked
3421     * permissions, hence the only way for an app to get such a permission
3422     * is by a policy change.
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 Whether the permission is restricted by policy.
3428     */
3429    @CheckResult
3430    public abstract boolean isPermissionRevokedByPolicy(@NonNull String permName,
3431            @NonNull String pkgName);
3432
3433    /**
3434     * Gets the package name of the component controlling runtime permissions.
3435     *
3436     * @return The package name.
3437     *
3438     * @hide
3439     */
3440    @TestApi
3441    public abstract String getPermissionControllerPackageName();
3442
3443    /**
3444     * Add a new dynamic permission to the system.  For this to work, your
3445     * package must have defined a permission tree through the
3446     * {@link android.R.styleable#AndroidManifestPermissionTree
3447     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
3448     * permissions to trees that were defined by either its own package or
3449     * another with the same user id; a permission is in a tree if it
3450     * matches the name of the permission tree + ".": for example,
3451     * "com.foo.bar" is a member of the permission tree "com.foo".
3452     *
3453     * <p>It is good to make your permission tree name descriptive, because you
3454     * are taking possession of that entire set of permission names.  Thus, it
3455     * must be under a domain you control, with a suffix that will not match
3456     * any normal permissions that may be declared in any applications that
3457     * are part of that domain.
3458     *
3459     * <p>New permissions must be added before
3460     * any .apks are installed that use those permissions.  Permissions you
3461     * add through this method are remembered across reboots of the device.
3462     * If the given permission already exists, the info you supply here
3463     * will be used to update it.
3464     *
3465     * @param info Description of the permission to be added.
3466     *
3467     * @return Returns true if a new permission was created, false if an
3468     * existing one was updated.
3469     *
3470     * @throws SecurityException if you are not allowed to add the
3471     * given permission name.
3472     *
3473     * @see #removePermission(String)
3474     */
3475    public abstract boolean addPermission(PermissionInfo info);
3476
3477    /**
3478     * Like {@link #addPermission(PermissionInfo)} but asynchronously
3479     * persists the package manager state after returning from the call,
3480     * allowing it to return quicker and batch a series of adds at the
3481     * expense of no guarantee the added permission will be retained if
3482     * the device is rebooted before it is written.
3483     */
3484    public abstract boolean addPermissionAsync(PermissionInfo info);
3485
3486    /**
3487     * Removes a permission that was previously added with
3488     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
3489     * -- you are only allowed to remove permissions that you are allowed
3490     * to add.
3491     *
3492     * @param name The name of the permission to remove.
3493     *
3494     * @throws SecurityException if you are not allowed to remove the
3495     * given permission name.
3496     *
3497     * @see #addPermission(PermissionInfo)
3498     */
3499    public abstract void removePermission(String name);
3500
3501    /**
3502     * Permission flags set when granting or revoking a permission.
3503     *
3504     * @hide
3505     */
3506    @SystemApi
3507    @IntDef(prefix = { "FLAG_PERMISSION_" }, value = {
3508            FLAG_PERMISSION_USER_SET,
3509            FLAG_PERMISSION_USER_FIXED,
3510            FLAG_PERMISSION_POLICY_FIXED,
3511            FLAG_PERMISSION_REVOKE_ON_UPGRADE,
3512            FLAG_PERMISSION_SYSTEM_FIXED,
3513            FLAG_PERMISSION_GRANTED_BY_DEFAULT
3514    })
3515    @Retention(RetentionPolicy.SOURCE)
3516    public @interface PermissionFlags {}
3517
3518    /**
3519     * Grant a runtime permission to an application which the application does not
3520     * already have. The permission must have been requested by the application.
3521     * If the application is not allowed to hold the permission, a {@link
3522     * java.lang.SecurityException} is thrown. If the package or permission is
3523     * invalid, a {@link java.lang.IllegalArgumentException} is thrown.
3524     * <p>
3525     * <strong>Note: </strong>Using this API requires holding
3526     * android.permission.GRANT_RUNTIME_PERMISSIONS and if the user id is
3527     * not the current user android.permission.INTERACT_ACROSS_USERS_FULL.
3528     * </p>
3529     *
3530     * @param packageName The package to which to grant the permission.
3531     * @param permissionName The permission name to grant.
3532     * @param user The user for which to grant the permission.
3533     *
3534     * @see #revokeRuntimePermission(String, String, android.os.UserHandle)
3535     *
3536     * @hide
3537     */
3538    @SystemApi
3539    @RequiresPermission(android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS)
3540    public abstract void grantRuntimePermission(@NonNull String packageName,
3541            @NonNull String permissionName, @NonNull UserHandle user);
3542
3543    /**
3544     * Revoke a runtime permission that was previously granted by {@link
3545     * #grantRuntimePermission(String, String, android.os.UserHandle)}. The
3546     * permission must have been requested by and granted to the application.
3547     * If the application is not allowed to hold the permission, a {@link
3548     * java.lang.SecurityException} is thrown. If the package or permission is
3549     * invalid, a {@link java.lang.IllegalArgumentException} is thrown.
3550     * <p>
3551     * <strong>Note: </strong>Using this API requires holding
3552     * android.permission.REVOKE_RUNTIME_PERMISSIONS and if the user id is
3553     * not the current user android.permission.INTERACT_ACROSS_USERS_FULL.
3554     * </p>
3555     *
3556     * @param packageName The package from which to revoke the permission.
3557     * @param permissionName The permission name to revoke.
3558     * @param user The user for which to revoke the permission.
3559     *
3560     * @see #grantRuntimePermission(String, String, android.os.UserHandle)
3561     *
3562     * @hide
3563     */
3564    @SystemApi
3565    @RequiresPermission(android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS)
3566    public abstract void revokeRuntimePermission(@NonNull String packageName,
3567            @NonNull String permissionName, @NonNull UserHandle user);
3568
3569    /**
3570     * Gets the state flags associated with a permission.
3571     *
3572     * @param permissionName The permission for which to get the flags.
3573     * @param packageName The package name for which to get the flags.
3574     * @param user The user for which to get permission flags.
3575     * @return The permission flags.
3576     *
3577     * @hide
3578     */
3579    @SystemApi
3580    @RequiresPermission(anyOf = {
3581            android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS,
3582            android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS
3583    })
3584    public abstract @PermissionFlags int getPermissionFlags(String permissionName,
3585            String packageName, @NonNull UserHandle user);
3586
3587    /**
3588     * Updates the flags associated with a permission by replacing the flags in
3589     * the specified mask with the provided flag values.
3590     *
3591     * @param permissionName The permission for which to update the flags.
3592     * @param packageName The package name for which to update the flags.
3593     * @param flagMask The flags which to replace.
3594     * @param flagValues The flags with which to replace.
3595     * @param user The user for which to update 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 void updatePermissionFlags(String permissionName,
3605            String packageName, @PermissionFlags int flagMask, @PermissionFlags int flagValues,
3606            @NonNull UserHandle user);
3607
3608    /**
3609     * Gets whether you should show UI with rationale for requesting a permission.
3610     * You should do this only if you do not have the permission and the context in
3611     * which the permission is requested does not clearly communicate to the user
3612     * what would be the benefit from grating this permission.
3613     *
3614     * @param permission A permission your app wants to request.
3615     * @return Whether you can show permission rationale UI.
3616     *
3617     * @hide
3618     */
3619    public abstract boolean shouldShowRequestPermissionRationale(String permission);
3620
3621    /**
3622     * Returns an {@link android.content.Intent} suitable for passing to
3623     * {@link android.app.Activity#startActivityForResult(android.content.Intent, int)}
3624     * which prompts the user to grant permissions to this application.
3625     *
3626     * @throws NullPointerException if {@code permissions} is {@code null} or empty.
3627     *
3628     * @hide
3629     */
3630    public Intent buildRequestPermissionsIntent(@NonNull String[] permissions) {
3631        if (ArrayUtils.isEmpty(permissions)) {
3632           throw new IllegalArgumentException("permission cannot be null or empty");
3633        }
3634        Intent intent = new Intent(ACTION_REQUEST_PERMISSIONS);
3635        intent.putExtra(EXTRA_REQUEST_PERMISSIONS_NAMES, permissions);
3636        intent.setPackage(getPermissionControllerPackageName());
3637        return intent;
3638    }
3639
3640    /**
3641     * Compare the signatures of two packages to determine if the same
3642     * signature appears in both of them.  If they do contain the same
3643     * signature, then they are allowed special privileges when working
3644     * with each other: they can share the same user-id, run instrumentation
3645     * against each other, etc.
3646     *
3647     * @param pkg1 First package name whose signature will be compared.
3648     * @param pkg2 Second package name whose signature will be compared.
3649     *
3650     * @return Returns an integer indicating whether all signatures on the
3651     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
3652     * all signatures match or < 0 if there is not a match ({@link
3653     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
3654     *
3655     * @see #checkSignatures(int, int)
3656     */
3657    @CheckResult
3658    public abstract @SignatureResult int checkSignatures(String pkg1, String pkg2);
3659
3660    /**
3661     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
3662     * the two packages to be checked.  This can be useful, for example,
3663     * when doing the check in an IPC, where the UID is the only identity
3664     * available.  It is functionally identical to determining the package
3665     * associated with the UIDs and checking their signatures.
3666     *
3667     * @param uid1 First UID whose signature will be compared.
3668     * @param uid2 Second UID 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(String, String)
3676     */
3677    @CheckResult
3678    public abstract @SignatureResult int checkSignatures(int uid1, int uid2);
3679
3680    /**
3681     * Retrieve the names of all packages that are associated with a particular
3682     * user id.  In most cases, this will be a single package name, the package
3683     * that has been assigned that user id.  Where there are multiple packages
3684     * sharing the same user id through the "sharedUserId" mechanism, all
3685     * packages with that id will be returned.
3686     *
3687     * @param uid The user id for which you would like to retrieve the
3688     * associated packages.
3689     *
3690     * @return Returns an array of one or more packages assigned to the user
3691     * id, or null if there are no known packages with the given id.
3692     */
3693    public abstract @Nullable String[] getPackagesForUid(int uid);
3694
3695    /**
3696     * Retrieve the official name associated with a uid. This name is
3697     * guaranteed to never change, though it is possible for the underlying
3698     * uid to be changed.  That is, if you are storing information about
3699     * uids in persistent storage, you should use the string returned
3700     * by this function instead of the raw uid.
3701     *
3702     * @param uid The uid for which you would like to retrieve a name.
3703     * @return Returns a unique name for the given uid, or null if the
3704     * uid is not currently assigned.
3705     */
3706    public abstract @Nullable String getNameForUid(int uid);
3707
3708    /**
3709     * Retrieves the official names associated with each given uid.
3710     * @see #getNameForUid(int)
3711     *
3712     * @hide
3713     */
3714    @TestApi
3715    public abstract @Nullable String[] getNamesForUids(int[] uids);
3716
3717    /**
3718     * Return the user id associated with a shared user name. Multiple
3719     * applications can specify a shared user name in their manifest and thus
3720     * end up using a common uid. This might be used for new applications
3721     * that use an existing shared user name and need to know the uid of the
3722     * shared user.
3723     *
3724     * @param sharedUserName The shared user name whose uid is to be retrieved.
3725     * @return Returns the UID associated with the shared user.
3726     * @throws NameNotFoundException if a package with the given name cannot be
3727     *             found on the system.
3728     * @hide
3729     */
3730    public abstract int getUidForSharedUser(String sharedUserName)
3731            throws NameNotFoundException;
3732
3733    /**
3734     * Return a List of all application packages that are installed for the
3735     * current user. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
3736     * applications including those deleted with {@code DONT_DELETE_DATA}
3737     * (partially installed apps with data directory) will be returned.
3738     *
3739     * @param flags Additional option flags to modify the data returned.
3740     * @return A List of ApplicationInfo objects, one for each installed
3741     *         application. In the unlikely case there are no installed
3742     *         packages, an empty list is returned. If flag
3743     *         {@code MATCH_UNINSTALLED_PACKAGES} is set, the application
3744     *         information is retrieved from the list of uninstalled
3745     *         applications (which includes installed applications as well as
3746     *         applications with data directory i.e. applications which had been
3747     *         deleted with {@code DONT_DELETE_DATA} flag set).
3748     */
3749    public abstract List<ApplicationInfo> getInstalledApplications(@ApplicationInfoFlags int flags);
3750
3751    /**
3752     * Return a List of all application packages that are installed on the
3753     * device, for a specific user. If flag GET_UNINSTALLED_PACKAGES has been
3754     * set, a list of all applications including those deleted with
3755     * {@code DONT_DELETE_DATA} (partially installed apps with data directory)
3756     * will be returned.
3757     *
3758     * @param flags Additional option flags to modify the data returned.
3759     * @param userId The user for whom the installed applications are to be
3760     *            listed
3761     * @return A List of ApplicationInfo objects, one for each installed
3762     *         application. In the unlikely case there are no installed
3763     *         packages, an empty list is returned. If flag
3764     *         {@code MATCH_UNINSTALLED_PACKAGES} is set, the application
3765     *         information is retrieved from the list of uninstalled
3766     *         applications (which includes installed applications as well as
3767     *         applications with data directory i.e. applications which had been
3768     *         deleted with {@code DONT_DELETE_DATA} flag set).
3769     * @hide
3770     */
3771    public abstract List<ApplicationInfo> getInstalledApplicationsAsUser(
3772            @ApplicationInfoFlags int flags, @UserIdInt int userId);
3773
3774    /**
3775     * Gets the instant applications the user recently used.
3776     *
3777     * @return The instant app list.
3778     *
3779     * @hide
3780     */
3781    @SystemApi
3782    @RequiresPermission(Manifest.permission.ACCESS_INSTANT_APPS)
3783    public abstract @NonNull List<InstantAppInfo> getInstantApps();
3784
3785    /**
3786     * Gets the icon for an instant application.
3787     *
3788     * @param packageName The app package name.
3789     *
3790     * @hide
3791     */
3792    @SystemApi
3793    @RequiresPermission(Manifest.permission.ACCESS_INSTANT_APPS)
3794    public abstract @Nullable Drawable getInstantAppIcon(String packageName);
3795
3796    /**
3797     * Gets whether this application is an instant app.
3798     *
3799     * @return Whether caller is an instant app.
3800     *
3801     * @see #isInstantApp(String)
3802     * @see #updateInstantAppCookie(byte[])
3803     * @see #getInstantAppCookie()
3804     * @see #getInstantAppCookieMaxBytes()
3805     */
3806    public abstract boolean isInstantApp();
3807
3808    /**
3809     * Gets whether the given package is an instant app.
3810     *
3811     * @param packageName The package to check
3812     * @return Whether the given package is an instant app.
3813     *
3814     * @see #isInstantApp()
3815     * @see #updateInstantAppCookie(byte[])
3816     * @see #getInstantAppCookie()
3817     * @see #getInstantAppCookieMaxBytes()
3818     * @see #clearInstantAppCookie()
3819     */
3820    public abstract boolean isInstantApp(String packageName);
3821
3822    /**
3823     * Gets the maximum size in bytes of the cookie data an instant app
3824     * can store on the device.
3825     *
3826     * @return The max cookie size in bytes.
3827     *
3828     * @see #isInstantApp()
3829     * @see #isInstantApp(String)
3830     * @see #updateInstantAppCookie(byte[])
3831     * @see #getInstantAppCookie()
3832     * @see #clearInstantAppCookie()
3833     */
3834    public abstract int getInstantAppCookieMaxBytes();
3835
3836    /**
3837     * deprecated
3838     * @hide
3839     */
3840    public abstract int getInstantAppCookieMaxSize();
3841
3842    /**
3843     * Gets the instant application cookie for this app. Non
3844     * instant apps and apps that were instant but were upgraded
3845     * to normal apps can still access this API. For instant apps
3846     * this cookie is cached for some time after uninstall while for
3847     * normal apps the cookie is deleted after the app is uninstalled.
3848     * The cookie is always present while the app is installed.
3849     *
3850     * @return The cookie.
3851     *
3852     * @see #isInstantApp()
3853     * @see #isInstantApp(String)
3854     * @see #updateInstantAppCookie(byte[])
3855     * @see #getInstantAppCookieMaxBytes()
3856     * @see #clearInstantAppCookie()
3857     */
3858    public abstract @NonNull byte[] getInstantAppCookie();
3859
3860    /**
3861     * Clears the instant application cookie for the calling app.
3862     *
3863     * @see #isInstantApp()
3864     * @see #isInstantApp(String)
3865     * @see #getInstantAppCookieMaxBytes()
3866     * @see #getInstantAppCookie()
3867     * @see #clearInstantAppCookie()
3868     */
3869    public abstract void clearInstantAppCookie();
3870
3871    /**
3872     * Updates the instant application cookie for the calling app. Non
3873     * instant apps and apps that were instant but were upgraded
3874     * to normal apps can still access this API. For instant apps
3875     * this cookie is cached for some time after uninstall while for
3876     * normal apps the cookie is deleted after the app is uninstalled.
3877     * The cookie is always present while the app is installed. The
3878     * cookie size is limited by {@link #getInstantAppCookieMaxBytes()}.
3879     * Passing <code>null</code> or an empty array clears the cookie.
3880     * </p>
3881     *
3882     * @param cookie The cookie data.
3883     *
3884     * @see #isInstantApp()
3885     * @see #isInstantApp(String)
3886     * @see #getInstantAppCookieMaxBytes()
3887     * @see #getInstantAppCookie()
3888     * @see #clearInstantAppCookie()
3889     *
3890     * @throws IllegalArgumentException if the array exceeds max cookie size.
3891     */
3892    public abstract void updateInstantAppCookie(@Nullable byte[] cookie);
3893
3894    /**
3895     * @removed
3896     */
3897    public abstract boolean setInstantAppCookie(@Nullable byte[] cookie);
3898
3899    /**
3900     * Get a list of shared libraries that are available on the
3901     * system.
3902     *
3903     * @return An array of shared library names that are
3904     * available on the system, or null if none are installed.
3905     *
3906     */
3907    public abstract String[] getSystemSharedLibraryNames();
3908
3909    /**
3910     * Get a list of shared libraries on the device.
3911     *
3912     * @param flags To filter the libraries to return.
3913     * @return The shared library list.
3914     *
3915     * @see #MATCH_UNINSTALLED_PACKAGES
3916     */
3917    public abstract @NonNull List<SharedLibraryInfo> getSharedLibraries(
3918            @InstallFlags int flags);
3919
3920    /**
3921     * Get a list of shared libraries on the device.
3922     *
3923     * @param flags To filter the libraries to return.
3924     * @param userId The user to query for.
3925     * @return The shared library list.
3926     *
3927     * @see #MATCH_FACTORY_ONLY
3928     * @see #MATCH_KNOWN_PACKAGES
3929     * @see #MATCH_ANY_USER
3930     * @see #MATCH_UNINSTALLED_PACKAGES
3931     *
3932     * @hide
3933     */
3934    public abstract @NonNull List<SharedLibraryInfo> getSharedLibrariesAsUser(
3935            @InstallFlags int flags, @UserIdInt int userId);
3936
3937    /**
3938     * Get the name of the package hosting the services shared library.
3939     *
3940     * @return The library host package.
3941     *
3942     * @hide
3943     */
3944    public abstract @NonNull String getServicesSystemSharedLibraryPackageName();
3945
3946    /**
3947     * Get the name of the package hosting the shared components shared library.
3948     *
3949     * @return The library host package.
3950     *
3951     * @hide
3952     */
3953    public abstract @NonNull String getSharedSystemSharedLibraryPackageName();
3954
3955    /**
3956     * Returns the names of the packages that have been changed
3957     * [eg. added, removed or updated] since the given sequence
3958     * number.
3959     * <p>If no packages have been changed, returns <code>null</code>.
3960     * <p>The sequence number starts at <code>0</code> and is
3961     * reset every boot.
3962     * @param sequenceNumber The first sequence number for which to retrieve package changes.
3963     * @see Settings.Global#BOOT_COUNT
3964     */
3965    public abstract @Nullable ChangedPackages getChangedPackages(
3966            @IntRange(from=0) int sequenceNumber);
3967
3968    /**
3969     * Get a list of features that are available on the
3970     * system.
3971     *
3972     * @return An array of FeatureInfo classes describing the features
3973     * that are available on the system, or null if there are none(!!).
3974     */
3975    public abstract FeatureInfo[] getSystemAvailableFeatures();
3976
3977    /**
3978     * Check whether the given feature name is one of the available features as
3979     * returned by {@link #getSystemAvailableFeatures()}. This tests for the
3980     * presence of <em>any</em> version of the given feature name; use
3981     * {@link #hasSystemFeature(String, int)} to check for a minimum version.
3982     *
3983     * @return Returns true if the devices supports the feature, else false.
3984     */
3985    public abstract boolean hasSystemFeature(String name);
3986
3987    /**
3988     * Check whether the given feature name and version is one of the available
3989     * features as returned by {@link #getSystemAvailableFeatures()}. Since
3990     * features are defined to always be backwards compatible, this returns true
3991     * if the available feature version is greater than or equal to the
3992     * requested version.
3993     *
3994     * @return Returns true if the devices supports the feature, else false.
3995     */
3996    public abstract boolean hasSystemFeature(String name, int version);
3997
3998    /**
3999     * Determine the best action to perform for a given Intent. This is how
4000     * {@link Intent#resolveActivity} finds an activity if a class has not been
4001     * explicitly specified.
4002     * <p>
4003     * <em>Note:</em> if using an implicit Intent (without an explicit
4004     * ComponentName specified), be sure to consider whether to set the
4005     * {@link #MATCH_DEFAULT_ONLY} only flag. You need to do so to resolve the
4006     * activity in the same way that
4007     * {@link android.content.Context#startActivity(Intent)} and
4008     * {@link android.content.Intent#resolveActivity(PackageManager)
4009     * Intent.resolveActivity(PackageManager)} do.
4010     * </p>
4011     *
4012     * @param intent An intent containing all of the desired specification
4013     *            (action, data, type, category, and/or component).
4014     * @param flags Additional option flags to modify the data returned. The
4015     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4016     *            resolution to only those activities that support the
4017     *            {@link android.content.Intent#CATEGORY_DEFAULT}.
4018     * @return Returns a ResolveInfo object containing the final activity intent
4019     *         that was determined to be the best action. Returns null if no
4020     *         matching activity was found. If multiple matching activities are
4021     *         found and there is no default set, returns a ResolveInfo object
4022     *         containing something else, such as the activity resolver.
4023     */
4024    public abstract ResolveInfo resolveActivity(Intent intent, @ResolveInfoFlags int flags);
4025
4026    /**
4027     * Determine the best action to perform for a given Intent for a given user.
4028     * This is how {@link Intent#resolveActivity} finds an activity if a class
4029     * has not been explicitly specified.
4030     * <p>
4031     * <em>Note:</em> if using an implicit Intent (without an explicit
4032     * ComponentName specified), be sure to consider whether to set the
4033     * {@link #MATCH_DEFAULT_ONLY} only flag. You need to do so to resolve the
4034     * activity in the same way that
4035     * {@link android.content.Context#startActivity(Intent)} and
4036     * {@link android.content.Intent#resolveActivity(PackageManager)
4037     * Intent.resolveActivity(PackageManager)} do.
4038     * </p>
4039     *
4040     * @param intent An intent containing all of the desired specification
4041     *            (action, data, type, category, and/or component).
4042     * @param flags Additional option flags to modify the data returned. The
4043     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4044     *            resolution to only those activities that support the
4045     *            {@link android.content.Intent#CATEGORY_DEFAULT}.
4046     * @param userId The user id.
4047     * @return Returns a ResolveInfo object containing the final activity intent
4048     *         that was determined to be the best action. Returns null if no
4049     *         matching activity was found. If multiple matching activities are
4050     *         found and there is no default set, returns a ResolveInfo object
4051     *         containing something else, such as the activity resolver.
4052     * @hide
4053     */
4054    public abstract ResolveInfo resolveActivityAsUser(Intent intent, @ResolveInfoFlags int flags,
4055            @UserIdInt int userId);
4056
4057    /**
4058     * Retrieve all activities that can be performed for the given intent.
4059     *
4060     * @param intent The desired intent as per resolveActivity().
4061     * @param flags Additional option flags to modify the data returned. The
4062     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4063     *            resolution to only those activities that support the
4064     *            {@link android.content.Intent#CATEGORY_DEFAULT}. Or, set
4065     *            {@link #MATCH_ALL} to prevent any filtering of the results.
4066     * @return Returns a List of ResolveInfo objects containing one entry for
4067     *         each matching activity, ordered from best to worst. In other
4068     *         words, the first item is what would be returned by
4069     *         {@link #resolveActivity}. If there are no matching activities, an
4070     *         empty list is returned.
4071     */
4072    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
4073            @ResolveInfoFlags int flags);
4074
4075    /**
4076     * Retrieve all activities that can be performed for the given intent, for a
4077     * specific user.
4078     *
4079     * @param intent The desired intent as per resolveActivity().
4080     * @param flags Additional option flags to modify the data returned. The
4081     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4082     *            resolution to only those activities that support the
4083     *            {@link android.content.Intent#CATEGORY_DEFAULT}. Or, set
4084     *            {@link #MATCH_ALL} to prevent any filtering of the results.
4085     * @return Returns a List of ResolveInfo objects containing one entry for
4086     *         each matching activity, ordered from best to worst. In other
4087     *         words, the first item is what would be returned by
4088     *         {@link #resolveActivity}. If there are no matching activities, an
4089     *         empty list is returned.
4090     * @hide
4091     */
4092    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
4093            @ResolveInfoFlags int flags, @UserIdInt int userId);
4094
4095    /**
4096     * Retrieve a set of activities that should be presented to the user as
4097     * similar options. This is like {@link #queryIntentActivities}, except it
4098     * also allows you to supply a list of more explicit Intents that you would
4099     * like to resolve to particular options, and takes care of returning the
4100     * final ResolveInfo list in a reasonable order, with no duplicates, based
4101     * on those inputs.
4102     *
4103     * @param caller The class name of the activity that is making the request.
4104     *            This activity will never appear in the output list. Can be
4105     *            null.
4106     * @param specifics An array of Intents that should be resolved to the first
4107     *            specific results. Can be null.
4108     * @param intent The desired intent as per resolveActivity().
4109     * @param flags Additional option flags to modify the data returned. The
4110     *            most important is {@link #MATCH_DEFAULT_ONLY}, to limit the
4111     *            resolution to only those activities that support the
4112     *            {@link android.content.Intent#CATEGORY_DEFAULT}.
4113     * @return Returns a List of ResolveInfo objects containing one entry for
4114     *         each matching activity. The list is ordered first by all of the
4115     *         intents resolved in <var>specifics</var> and then any additional
4116     *         activities that can handle <var>intent</var> but did not get
4117     *         included by one of the <var>specifics</var> intents. If there are
4118     *         no matching activities, an empty list is returned.
4119     */
4120    public abstract List<ResolveInfo> queryIntentActivityOptions(@Nullable ComponentName caller,
4121            @Nullable Intent[] specifics, Intent intent, @ResolveInfoFlags int flags);
4122
4123    /**
4124     * Retrieve all receivers that can handle a broadcast of the given intent.
4125     *
4126     * @param intent The desired intent as per resolveActivity().
4127     * @param flags Additional option flags to modify the data returned.
4128     * @return Returns a List of ResolveInfo objects containing one entry for
4129     *         each matching receiver, ordered from best to worst. If there are
4130     *         no matching receivers, an empty list or null is returned.
4131     */
4132    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
4133            @ResolveInfoFlags int flags);
4134
4135    /**
4136     * Retrieve all receivers that can handle a broadcast of the given intent,
4137     * for a specific user.
4138     *
4139     * @param intent The desired intent as per resolveActivity().
4140     * @param flags Additional option flags to modify the data returned.
4141     * @param userHandle UserHandle of the user being queried.
4142     * @return Returns a List of ResolveInfo objects containing one entry for
4143     *         each matching receiver, ordered from best to worst. If there are
4144     *         no matching receivers, an empty list or null is returned.
4145     * @hide
4146     */
4147    @SystemApi
4148    @RequiresPermission(Manifest.permission.INTERACT_ACROSS_USERS)
4149    public List<ResolveInfo> queryBroadcastReceiversAsUser(Intent intent,
4150            @ResolveInfoFlags int flags, UserHandle userHandle) {
4151        return queryBroadcastReceiversAsUser(intent, flags, userHandle.getIdentifier());
4152    }
4153
4154    /**
4155     * @hide
4156     */
4157    public abstract List<ResolveInfo> queryBroadcastReceiversAsUser(Intent intent,
4158            @ResolveInfoFlags int flags, @UserIdInt int userId);
4159
4160
4161    /** {@hide} */
4162    @Deprecated
4163    public List<ResolveInfo> queryBroadcastReceivers(Intent intent,
4164            @ResolveInfoFlags int flags, @UserIdInt int userId) {
4165        final String msg = "Shame on you for calling the hidden API "
4166                + "queryBroadcastReceivers(). Shame!";
4167        if (VMRuntime.getRuntime().getTargetSdkVersion() >= Build.VERSION_CODES.O) {
4168            throw new UnsupportedOperationException(msg);
4169        } else {
4170            Log.d(TAG, msg);
4171            return queryBroadcastReceiversAsUser(intent, flags, userId);
4172        }
4173    }
4174
4175    /**
4176     * Determine the best service to handle for a given Intent.
4177     *
4178     * @param intent An intent containing all of the desired specification
4179     *            (action, data, type, category, and/or component).
4180     * @param flags Additional option flags to modify the data returned.
4181     * @return Returns a ResolveInfo object containing the final service intent
4182     *         that was determined to be the best action. Returns null if no
4183     *         matching service was found.
4184     */
4185    public abstract ResolveInfo resolveService(Intent intent, @ResolveInfoFlags int flags);
4186
4187    /**
4188     * @hide
4189     */
4190    public abstract ResolveInfo resolveServiceAsUser(Intent intent, @ResolveInfoFlags int flags,
4191            @UserIdInt int userId);
4192
4193    /**
4194     * Retrieve all services that can match the given intent.
4195     *
4196     * @param intent The desired intent as per resolveService().
4197     * @param flags Additional option flags to modify the data returned.
4198     * @return Returns a List of ResolveInfo objects containing one entry for
4199     *         each matching service, ordered from best to worst. In other
4200     *         words, the first item is what would be returned by
4201     *         {@link #resolveService}. If there are no matching services, an
4202     *         empty list or null is returned.
4203     */
4204    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
4205            @ResolveInfoFlags int flags);
4206
4207    /**
4208     * Retrieve all services that can match the given intent for a given user.
4209     *
4210     * @param intent The desired intent as per resolveService().
4211     * @param flags Additional option flags to modify the data returned.
4212     * @param userId The user id.
4213     * @return Returns a List of ResolveInfo objects containing one entry for
4214     *         each matching service, ordered from best to worst. In other
4215     *         words, the first item is what would be returned by
4216     *         {@link #resolveService}. If there are no matching services, an
4217     *         empty list or null is returned.
4218     * @hide
4219     */
4220    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
4221            @ResolveInfoFlags int flags, @UserIdInt int userId);
4222
4223    /**
4224     * Retrieve all providers that can match the given intent.
4225     *
4226     * @param intent An intent containing all of the desired specification
4227     *            (action, data, type, category, and/or component).
4228     * @param flags Additional option flags to modify the data returned.
4229     * @param userId The user id.
4230     * @return Returns a List of ResolveInfo objects containing one entry for
4231     *         each matching provider, ordered from best to worst. If there are
4232     *         no matching services, an empty list or null is returned.
4233     * @hide
4234     */
4235    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
4236            Intent intent, @ResolveInfoFlags int flags, @UserIdInt int userId);
4237
4238    /**
4239     * Retrieve all providers that can match the given intent.
4240     *
4241     * @param intent An intent containing all of the desired specification
4242     *            (action, data, type, category, and/or component).
4243     * @param flags Additional option flags to modify the data returned.
4244     * @return Returns a List of ResolveInfo objects containing one entry for
4245     *         each matching provider, ordered from best to worst. If there are
4246     *         no matching services, an empty list or null is returned.
4247     */
4248    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent,
4249            @ResolveInfoFlags int flags);
4250
4251    /**
4252     * Find a single content provider by its base path name.
4253     *
4254     * @param name The name of the provider to find.
4255     * @param flags Additional option flags to modify the data returned.
4256     * @return A {@link ProviderInfo} object containing information about the
4257     *         provider. If a provider was not found, returns null.
4258     */
4259    public abstract ProviderInfo resolveContentProvider(String name,
4260            @ComponentInfoFlags int flags);
4261
4262    /**
4263     * Find a single content provider by its base path name.
4264     *
4265     * @param name The name of the provider to find.
4266     * @param flags Additional option flags to modify the data returned.
4267     * @param userId The user id.
4268     * @return A {@link ProviderInfo} object containing information about the
4269     *         provider. If a provider was not found, returns null.
4270     * @hide
4271     */
4272    public abstract ProviderInfo resolveContentProviderAsUser(String name,
4273            @ComponentInfoFlags int flags, @UserIdInt int userId);
4274
4275    /**
4276     * Retrieve content provider information.
4277     * <p>
4278     * <em>Note: unlike most other methods, an empty result set is indicated
4279     * by a null return instead of an empty list.</em>
4280     *
4281     * @param processName If non-null, limits the returned providers to only
4282     *            those that are hosted by the given process. If null, all
4283     *            content providers are returned.
4284     * @param uid If <var>processName</var> is non-null, this is the required
4285     *            uid owning the requested content providers.
4286     * @param flags Additional option flags to modify the data returned.
4287     * @return A list of {@link ProviderInfo} objects containing one entry for
4288     *         each provider either matching <var>processName</var> or, if
4289     *         <var>processName</var> is null, all known content providers.
4290     *         <em>If there are no matching providers, null is returned.</em>
4291     */
4292    public abstract List<ProviderInfo> queryContentProviders(
4293            String processName, int uid, @ComponentInfoFlags int flags);
4294
4295    /**
4296     * Same as {@link #queryContentProviders}, except when {@code metaDataKey} is not null,
4297     * it only returns providers which have metadata with the {@code metaDataKey} key.
4298     *
4299     * <p>DO NOT USE the {@code metaDataKey} parameter, unless you're the contacts provider.
4300     * You really shouldn't need it.  Other apps should use {@link #queryIntentContentProviders}
4301     * instead.
4302     *
4303     * <p>The {@code metaDataKey} parameter was added to allow the contacts provider to quickly
4304     * scan the GAL providers on the device.  Unfortunately the discovery protocol used metadata
4305     * to mark GAL providers, rather than intent filters, so we can't use
4306     * {@link #queryIntentContentProviders} for that.
4307     *
4308     * @hide
4309     */
4310    public List<ProviderInfo> queryContentProviders(
4311            String processName, int uid, @ComponentInfoFlags int flags, String metaDataKey) {
4312        // Provide the default implementation for mocks.
4313        return queryContentProviders(processName, uid, flags);
4314    }
4315
4316    /**
4317     * Retrieve all of the information we know about a particular
4318     * instrumentation class.
4319     *
4320     * @param className The full name (i.e.
4321     *            com.google.apps.contacts.InstrumentList) of an Instrumentation
4322     *            class.
4323     * @param flags Additional option flags to modify the data returned.
4324     * @return An {@link InstrumentationInfo} object containing information
4325     *         about the instrumentation.
4326     * @throws NameNotFoundException if a package with the given name cannot be
4327     *             found on the system.
4328     */
4329    public abstract InstrumentationInfo getInstrumentationInfo(ComponentName className,
4330            @InstrumentationInfoFlags int flags) throws NameNotFoundException;
4331
4332    /**
4333     * Retrieve information about available instrumentation code. May be used to
4334     * retrieve either all instrumentation code, or only the code targeting a
4335     * particular package.
4336     *
4337     * @param targetPackage If null, all instrumentation is returned; only the
4338     *            instrumentation targeting this package name is returned.
4339     * @param flags Additional option flags to modify the data returned.
4340     * @return A list of {@link InstrumentationInfo} objects containing one
4341     *         entry for each matching instrumentation. If there are no
4342     *         instrumentation available, returns an empty list.
4343     */
4344    public abstract List<InstrumentationInfo> queryInstrumentation(String targetPackage,
4345            @InstrumentationInfoFlags int flags);
4346
4347    /**
4348     * Retrieve an image from a package.  This is a low-level API used by
4349     * the various package manager info structures (such as
4350     * {@link ComponentInfo} to implement retrieval of their associated
4351     * icon.
4352     *
4353     * @param packageName The name of the package that this icon is coming from.
4354     * Cannot be null.
4355     * @param resid The resource identifier of the desired image.  Cannot be 0.
4356     * @param appInfo Overall information about <var>packageName</var>.  This
4357     * may be null, in which case the application information will be retrieved
4358     * for you if needed; if you already have this information around, it can
4359     * be much more efficient to supply it here.
4360     *
4361     * @return Returns a Drawable holding the requested image.  Returns null if
4362     * an image could not be found for any reason.
4363     */
4364    public abstract Drawable getDrawable(String packageName, @DrawableRes int resid,
4365            ApplicationInfo appInfo);
4366
4367    /**
4368     * Retrieve the icon associated with an activity.  Given the full name of
4369     * an activity, retrieves the information about it and calls
4370     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
4371     * If the activity cannot be found, NameNotFoundException is thrown.
4372     *
4373     * @param activityName Name of the activity whose icon is to be retrieved.
4374     *
4375     * @return Returns the image of the icon, or the default activity icon if
4376     * it could not be found.  Does not return null.
4377     * @throws NameNotFoundException Thrown if the resources for the given
4378     * activity could not be loaded.
4379     *
4380     * @see #getActivityIcon(Intent)
4381     */
4382    public abstract Drawable getActivityIcon(ComponentName activityName)
4383            throws NameNotFoundException;
4384
4385    /**
4386     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
4387     * set, this simply returns the result of
4388     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
4389     * component and returns the icon associated with the resolved component.
4390     * If intent.getClassName() cannot be found or the Intent cannot be resolved
4391     * to a component, NameNotFoundException is thrown.
4392     *
4393     * @param intent The intent for which you would like to retrieve an icon.
4394     *
4395     * @return Returns the image of the icon, or the default activity icon if
4396     * it could not be found.  Does not return null.
4397     * @throws NameNotFoundException Thrown if the resources for application
4398     * matching the given intent could not be loaded.
4399     *
4400     * @see #getActivityIcon(ComponentName)
4401     */
4402    public abstract Drawable getActivityIcon(Intent intent)
4403            throws NameNotFoundException;
4404
4405    /**
4406     * Retrieve the banner associated with an activity. Given the full name of
4407     * an activity, retrieves the information about it and calls
4408     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
4409     * banner. If the activity cannot be found, NameNotFoundException is thrown.
4410     *
4411     * @param activityName Name of the activity whose banner is to be retrieved.
4412     * @return Returns the image of the banner, or null if the activity has no
4413     *         banner specified.
4414     * @throws NameNotFoundException Thrown if the resources for the given
4415     *             activity could not be loaded.
4416     * @see #getActivityBanner(Intent)
4417     */
4418    public abstract Drawable getActivityBanner(ComponentName activityName)
4419            throws NameNotFoundException;
4420
4421    /**
4422     * Retrieve the banner associated with an Intent. If intent.getClassName()
4423     * is set, this simply returns the result of
4424     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
4425     * intent's component and returns the banner associated with the resolved
4426     * component. If intent.getClassName() cannot be found or the Intent cannot
4427     * be resolved to a component, NameNotFoundException is thrown.
4428     *
4429     * @param intent The intent for which you would like to retrieve a banner.
4430     * @return Returns the image of the banner, or null if the activity has no
4431     *         banner specified.
4432     * @throws NameNotFoundException Thrown if the resources for application
4433     *             matching the given intent could not be loaded.
4434     * @see #getActivityBanner(ComponentName)
4435     */
4436    public abstract Drawable getActivityBanner(Intent intent)
4437            throws NameNotFoundException;
4438
4439    /**
4440     * Return the generic icon for an activity that is used when no specific
4441     * icon is defined.
4442     *
4443     * @return Drawable Image of the icon.
4444     */
4445    public abstract Drawable getDefaultActivityIcon();
4446
4447    /**
4448     * Retrieve the icon associated with an application.  If it has not defined
4449     * an icon, the default app icon is returned.  Does not return null.
4450     *
4451     * @param info Information about application being queried.
4452     *
4453     * @return Returns the image of the icon, or the default application icon
4454     * if it could not be found.
4455     *
4456     * @see #getApplicationIcon(String)
4457     */
4458    public abstract Drawable getApplicationIcon(ApplicationInfo info);
4459
4460    /**
4461     * Retrieve the icon associated with an application.  Given the name of the
4462     * application's package, retrieves the information about it and calls
4463     * getApplicationIcon() to return its icon. If the application cannot be
4464     * found, NameNotFoundException is thrown.
4465     *
4466     * @param packageName Name of the package whose application icon is to be
4467     *                    retrieved.
4468     *
4469     * @return Returns the image of the icon, or the default application icon
4470     * if it could not be found.  Does not return null.
4471     * @throws NameNotFoundException Thrown if the resources for the given
4472     * application could not be loaded.
4473     *
4474     * @see #getApplicationIcon(ApplicationInfo)
4475     */
4476    public abstract Drawable getApplicationIcon(String packageName)
4477            throws NameNotFoundException;
4478
4479    /**
4480     * Retrieve the banner associated with an application.
4481     *
4482     * @param info Information about application being queried.
4483     * @return Returns the image of the banner or null if the application has no
4484     *         banner specified.
4485     * @see #getApplicationBanner(String)
4486     */
4487    public abstract Drawable getApplicationBanner(ApplicationInfo info);
4488
4489    /**
4490     * Retrieve the banner associated with an application. Given the name of the
4491     * application's package, retrieves the information about it and calls
4492     * getApplicationIcon() to return its banner. If the application cannot be
4493     * found, NameNotFoundException is thrown.
4494     *
4495     * @param packageName Name of the package whose application banner is to be
4496     *            retrieved.
4497     * @return Returns the image of the banner or null if the application has no
4498     *         banner specified.
4499     * @throws NameNotFoundException Thrown if the resources for the given
4500     *             application could not be loaded.
4501     * @see #getApplicationBanner(ApplicationInfo)
4502     */
4503    public abstract Drawable getApplicationBanner(String packageName)
4504            throws NameNotFoundException;
4505
4506    /**
4507     * Retrieve the logo associated with an activity. Given the full name of an
4508     * activity, retrieves the information about it and calls
4509     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
4510     * logo. If the activity cannot be found, NameNotFoundException is thrown.
4511     *
4512     * @param activityName Name of the activity whose logo is to be retrieved.
4513     * @return Returns the image of the logo or null if the activity has no logo
4514     *         specified.
4515     * @throws NameNotFoundException Thrown if the resources for the given
4516     *             activity could not be loaded.
4517     * @see #getActivityLogo(Intent)
4518     */
4519    public abstract Drawable getActivityLogo(ComponentName activityName)
4520            throws NameNotFoundException;
4521
4522    /**
4523     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
4524     * set, this simply returns the result of
4525     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
4526     * component and returns the logo associated with the resolved component.
4527     * If intent.getClassName() cannot be found or the Intent cannot be resolved
4528     * to a component, NameNotFoundException is thrown.
4529     *
4530     * @param intent The intent for which you would like to retrieve a logo.
4531     *
4532     * @return Returns the image of the logo, or null if the activity has no
4533     * logo specified.
4534     *
4535     * @throws NameNotFoundException Thrown if the resources for application
4536     * matching the given intent could not be loaded.
4537     *
4538     * @see #getActivityLogo(ComponentName)
4539     */
4540    public abstract Drawable getActivityLogo(Intent intent)
4541            throws NameNotFoundException;
4542
4543    /**
4544     * Retrieve the logo associated with an application.  If it has not specified
4545     * a logo, this method returns null.
4546     *
4547     * @param info Information about application being queried.
4548     *
4549     * @return Returns the image of the logo, or null if no logo is specified
4550     * by the application.
4551     *
4552     * @see #getApplicationLogo(String)
4553     */
4554    public abstract Drawable getApplicationLogo(ApplicationInfo info);
4555
4556    /**
4557     * Retrieve the logo associated with an application.  Given the name of the
4558     * application's package, retrieves the information about it and calls
4559     * getApplicationLogo() to return its logo. If the application cannot be
4560     * found, NameNotFoundException is thrown.
4561     *
4562     * @param packageName Name of the package whose application logo is to be
4563     *                    retrieved.
4564     *
4565     * @return Returns the image of the logo, or null if no application logo
4566     * has been specified.
4567     *
4568     * @throws NameNotFoundException Thrown if the resources for the given
4569     * application could not be loaded.
4570     *
4571     * @see #getApplicationLogo(ApplicationInfo)
4572     */
4573    public abstract Drawable getApplicationLogo(String packageName)
4574            throws NameNotFoundException;
4575
4576    /**
4577     * If the target user is a managed profile, then this returns a badged copy of the given icon
4578     * to be able to distinguish it from the original icon. For badging an arbitrary drawable use
4579     * {@link #getUserBadgedDrawableForDensity(
4580     * android.graphics.drawable.Drawable, UserHandle, android.graphics.Rect, int)}.
4581     * <p>
4582     * If the original drawable is a BitmapDrawable and the backing bitmap is
4583     * mutable as per {@link android.graphics.Bitmap#isMutable()}, the badging
4584     * is performed in place and the original drawable is returned.
4585     * </p>
4586     *
4587     * @param icon The icon to badge.
4588     * @param user The target user.
4589     * @return A drawable that combines the original icon and a badge as
4590     *         determined by the system.
4591     */
4592    public abstract Drawable getUserBadgedIcon(Drawable icon, UserHandle user);
4593
4594    /**
4595     * If the target user is a managed profile of the calling user or the caller
4596     * is itself a managed profile, then this returns a badged copy of the given
4597     * drawable allowing the user to distinguish it from the original drawable.
4598     * The caller can specify the location in the bounds of the drawable to be
4599     * badged where the badge should be applied as well as the density of the
4600     * badge to be used.
4601     * <p>
4602     * If the original drawable is a BitmapDrawable and the backing bitmap is
4603     * mutable as per {@link android.graphics.Bitmap#isMutable()}, the badging
4604     * is performed in place and the original drawable is returned.
4605     * </p>
4606     *
4607     * @param drawable The drawable to badge.
4608     * @param user The target user.
4609     * @param badgeLocation Where in the bounds of the badged drawable to place
4610     *         the badge. If it's {@code null}, the badge is applied on top of the entire
4611     *         drawable being badged.
4612     * @param badgeDensity The optional desired density for the badge as per
4613     *         {@link android.util.DisplayMetrics#densityDpi}. If it's not positive,
4614     *         the density of the display is used.
4615     * @return A drawable that combines the original drawable and a badge as
4616     *         determined by the system.
4617     */
4618    public abstract Drawable getUserBadgedDrawableForDensity(Drawable drawable,
4619            UserHandle user, Rect badgeLocation, int badgeDensity);
4620
4621    /**
4622     * If the target user is a managed profile of the calling user or the caller
4623     * is itself a managed profile, then this returns a drawable to use as a small
4624     * icon to include in a view to distinguish it from the original icon.
4625     *
4626     * @param user The target user.
4627     * @param density The optional desired density for the badge as per
4628     *         {@link android.util.DisplayMetrics#densityDpi}. If not provided
4629     *         the density of the current display is used.
4630     * @return the drawable or null if no drawable is required.
4631     * @hide
4632     */
4633    public abstract Drawable getUserBadgeForDensity(UserHandle user, int density);
4634
4635    /**
4636     * If the target user is a managed profile of the calling user or the caller
4637     * is itself a managed profile, then this returns a drawable to use as a small
4638     * icon to include in a view to distinguish it from the original icon. This version
4639     * doesn't have background protection and should be used over a light background instead of
4640     * a badge.
4641     *
4642     * @param user The target user.
4643     * @param density The optional desired density for the badge as per
4644     *         {@link android.util.DisplayMetrics#densityDpi}. If not provided
4645     *         the density of the current display is used.
4646     * @return the drawable or null if no drawable is required.
4647     * @hide
4648     */
4649    public abstract Drawable getUserBadgeForDensityNoBackground(UserHandle user, int density);
4650
4651    /**
4652     * If the target user is a managed profile of the calling user or the caller
4653     * is itself a managed profile, then this returns a copy of the label with
4654     * badging for accessibility services like talkback. E.g. passing in "Email"
4655     * and it might return "Work Email" for Email in the work profile.
4656     *
4657     * @param label The label to change.
4658     * @param user The target user.
4659     * @return A label that combines the original label and a badge as
4660     *         determined by the system.
4661     */
4662    public abstract CharSequence getUserBadgedLabel(CharSequence label, UserHandle user);
4663
4664    /**
4665     * Retrieve text from a package.  This is a low-level API used by
4666     * the various package manager info structures (such as
4667     * {@link ComponentInfo} to implement retrieval of their associated
4668     * labels and other text.
4669     *
4670     * @param packageName The name of the package that this text is coming from.
4671     * Cannot be null.
4672     * @param resid The resource identifier of the desired text.  Cannot be 0.
4673     * @param appInfo Overall information about <var>packageName</var>.  This
4674     * may be null, in which case the application information will be retrieved
4675     * for you if needed; if you already have this information around, it can
4676     * be much more efficient to supply it here.
4677     *
4678     * @return Returns a CharSequence holding the requested text.  Returns null
4679     * if the text could not be found for any reason.
4680     */
4681    public abstract CharSequence getText(String packageName, @StringRes int resid,
4682            ApplicationInfo appInfo);
4683
4684    /**
4685     * Retrieve an XML file from a package.  This is a low-level API used to
4686     * retrieve XML meta data.
4687     *
4688     * @param packageName The name of the package that this xml is coming from.
4689     * Cannot be null.
4690     * @param resid The resource identifier of the desired xml.  Cannot be 0.
4691     * @param appInfo Overall information about <var>packageName</var>.  This
4692     * may be null, in which case the application information will be retrieved
4693     * for you if needed; if you already have this information around, it can
4694     * be much more efficient to supply it here.
4695     *
4696     * @return Returns an XmlPullParser allowing you to parse out the XML
4697     * data.  Returns null if the xml resource could not be found for any
4698     * reason.
4699     */
4700    public abstract XmlResourceParser getXml(String packageName, @XmlRes int resid,
4701            ApplicationInfo appInfo);
4702
4703    /**
4704     * Return the label to use for this application.
4705     *
4706     * @return Returns the label associated with this application, or null if
4707     * it could not be found for any reason.
4708     * @param info The application to get the label of.
4709     */
4710    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
4711
4712    /**
4713     * Retrieve the resources associated with an activity.  Given the full
4714     * name of an activity, retrieves the information about it and calls
4715     * getResources() to return its application's resources.  If the activity
4716     * cannot be found, NameNotFoundException is thrown.
4717     *
4718     * @param activityName Name of the activity whose resources are to be
4719     *                     retrieved.
4720     *
4721     * @return Returns the application's Resources.
4722     * @throws NameNotFoundException Thrown if the resources for the given
4723     * application could not be loaded.
4724     *
4725     * @see #getResourcesForApplication(ApplicationInfo)
4726     */
4727    public abstract Resources getResourcesForActivity(ComponentName activityName)
4728            throws NameNotFoundException;
4729
4730    /**
4731     * Retrieve the resources for an application.  Throws NameNotFoundException
4732     * if the package is no longer installed.
4733     *
4734     * @param app Information about the desired application.
4735     *
4736     * @return Returns the application's Resources.
4737     * @throws NameNotFoundException Thrown if the resources for the given
4738     * application could not be loaded (most likely because it was uninstalled).
4739     */
4740    public abstract Resources getResourcesForApplication(ApplicationInfo app)
4741            throws NameNotFoundException;
4742
4743    /**
4744     * Retrieve the resources associated with an application.  Given the full
4745     * package name of an application, retrieves the information about it and
4746     * calls getResources() to return its application's resources.  If the
4747     * appPackageName cannot be found, NameNotFoundException is thrown.
4748     *
4749     * @param appPackageName Package name of the application whose resources
4750     *                       are to be retrieved.
4751     *
4752     * @return Returns the application's Resources.
4753     * @throws NameNotFoundException Thrown if the resources for the given
4754     * application could not be loaded.
4755     *
4756     * @see #getResourcesForApplication(ApplicationInfo)
4757     */
4758    public abstract Resources getResourcesForApplication(String appPackageName)
4759            throws NameNotFoundException;
4760
4761    /** @hide */
4762    public abstract Resources getResourcesForApplicationAsUser(String appPackageName,
4763            @UserIdInt int userId) throws NameNotFoundException;
4764
4765    /**
4766     * Retrieve overall information about an application package defined in a
4767     * package archive file
4768     *
4769     * @param archiveFilePath The path to the archive file
4770     * @param flags Additional option flags to modify the data returned.
4771     * @return A PackageInfo object containing information about the package
4772     *         archive. If the package could not be parsed, returns null.
4773     */
4774    public PackageInfo getPackageArchiveInfo(String archiveFilePath, @PackageInfoFlags int flags) {
4775        final PackageParser parser = new PackageParser();
4776        parser.setCallback(new PackageParser.CallbackImpl(this));
4777        final File apkFile = new File(archiveFilePath);
4778        try {
4779            if ((flags & (MATCH_DIRECT_BOOT_UNAWARE | MATCH_DIRECT_BOOT_AWARE)) != 0) {
4780                // Caller expressed an explicit opinion about what encryption
4781                // aware/unaware components they want to see, so fall through and
4782                // give them what they want
4783            } else {
4784                // Caller expressed no opinion, so match everything
4785                flags |= MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE;
4786            }
4787
4788            PackageParser.Package pkg = parser.parseMonolithicPackage(apkFile, 0);
4789            if ((flags & GET_SIGNATURES) != 0) {
4790                PackageParser.collectCertificates(pkg, false /* skipVerify */);
4791            }
4792            PackageUserState state = new PackageUserState();
4793            return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
4794        } catch (PackageParserException e) {
4795            return null;
4796        }
4797    }
4798
4799    /**
4800     * If there is already an application with the given package name installed
4801     * on the system for other users, also install it for the calling user.
4802     * @hide
4803     */
4804    @SystemApi
4805    public abstract int installExistingPackage(String packageName) throws NameNotFoundException;
4806
4807    /**
4808     * If there is already an application with the given package name installed
4809     * on the system for other users, also install it for the calling user.
4810     * @hide
4811     */
4812    @SystemApi
4813    public abstract int installExistingPackage(String packageName, @InstallReason int installReason)
4814            throws NameNotFoundException;
4815
4816    /**
4817     * If there is already an application with the given package name installed
4818     * on the system for other users, also install it for the specified user.
4819     * @hide
4820     */
4821     @RequiresPermission(anyOf = {
4822            Manifest.permission.INSTALL_PACKAGES,
4823            Manifest.permission.INTERACT_ACROSS_USERS_FULL})
4824    public abstract int installExistingPackageAsUser(String packageName, @UserIdInt int userId)
4825            throws NameNotFoundException;
4826
4827    /**
4828     * Allows a package listening to the
4829     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
4830     * broadcast} to respond to the package manager. The response must include
4831     * the {@code verificationCode} which is one of
4832     * {@link PackageManager#VERIFICATION_ALLOW} or
4833     * {@link PackageManager#VERIFICATION_REJECT}.
4834     *
4835     * @param id pending package identifier as passed via the
4836     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
4837     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
4838     *            or {@link PackageManager#VERIFICATION_REJECT}.
4839     * @throws SecurityException if the caller does not have the
4840     *            PACKAGE_VERIFICATION_AGENT permission.
4841     */
4842    public abstract void verifyPendingInstall(int id, int verificationCode);
4843
4844    /**
4845     * Allows a package listening to the
4846     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
4847     * broadcast} to extend the default timeout for a response and declare what
4848     * action to perform after the timeout occurs. The response must include
4849     * the {@code verificationCodeAtTimeout} which is one of
4850     * {@link PackageManager#VERIFICATION_ALLOW} or
4851     * {@link PackageManager#VERIFICATION_REJECT}.
4852     *
4853     * This method may only be called once per package id. Additional calls
4854     * will have no effect.
4855     *
4856     * @param id pending package identifier as passed via the
4857     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
4858     * @param verificationCodeAtTimeout either
4859     *            {@link PackageManager#VERIFICATION_ALLOW} or
4860     *            {@link PackageManager#VERIFICATION_REJECT}. If
4861     *            {@code verificationCodeAtTimeout} is neither
4862     *            {@link PackageManager#VERIFICATION_ALLOW} or
4863     *            {@link PackageManager#VERIFICATION_REJECT}, then
4864     *            {@code verificationCodeAtTimeout} will default to
4865     *            {@link PackageManager#VERIFICATION_REJECT}.
4866     * @param millisecondsToDelay the amount of time requested for the timeout.
4867     *            Must be positive and less than
4868     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
4869     *            {@code millisecondsToDelay} is out of bounds,
4870     *            {@code millisecondsToDelay} will be set to the closest in
4871     *            bounds value; namely, 0 or
4872     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
4873     * @throws SecurityException if the caller does not have the
4874     *            PACKAGE_VERIFICATION_AGENT permission.
4875     */
4876    public abstract void extendVerificationTimeout(int id,
4877            int verificationCodeAtTimeout, long millisecondsToDelay);
4878
4879    /**
4880     * Allows a package listening to the
4881     * {@link Intent#ACTION_INTENT_FILTER_NEEDS_VERIFICATION} intent filter verification
4882     * broadcast to respond to the package manager. The response must include
4883     * the {@code verificationCode} which is one of
4884     * {@link PackageManager#INTENT_FILTER_VERIFICATION_SUCCESS} or
4885     * {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}.
4886     *
4887     * @param verificationId pending package identifier as passed via the
4888     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
4889     * @param verificationCode either {@link PackageManager#INTENT_FILTER_VERIFICATION_SUCCESS}
4890     *            or {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}.
4891     * @param failedDomains a list of failed domains if the verificationCode is
4892     *            {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}, otherwise null;
4893     * @throws SecurityException if the caller does not have the
4894     *            INTENT_FILTER_VERIFICATION_AGENT permission.
4895     *
4896     * @hide
4897     */
4898    @SystemApi
4899    @RequiresPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT)
4900    public abstract void verifyIntentFilter(int verificationId, int verificationCode,
4901            List<String> failedDomains);
4902
4903    /**
4904     * Get the status of a Domain Verification Result for an IntentFilter. This is
4905     * related to the {@link android.content.IntentFilter#setAutoVerify(boolean)} and
4906     * {@link android.content.IntentFilter#getAutoVerify()}
4907     *
4908     * This is used by the ResolverActivity to change the status depending on what the User select
4909     * in the Disambiguation Dialog and also used by the Settings App for changing the default App
4910     * for a domain.
4911     *
4912     * @param packageName The package name of the Activity associated with the IntentFilter.
4913     * @param userId The user id.
4914     *
4915     * @return The status to set to. This can be
4916     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK} or
4917     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS} or
4918     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER} or
4919     *              {@link #INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED}
4920     *
4921     * @hide
4922     */
4923    @SystemApi
4924    @RequiresPermission(Manifest.permission.INTERACT_ACROSS_USERS_FULL)
4925    public abstract int getIntentVerificationStatusAsUser(String packageName, @UserIdInt int userId);
4926
4927    /**
4928     * Allow to change the status of a Intent Verification status for all IntentFilter of an App.
4929     * This is related to the {@link android.content.IntentFilter#setAutoVerify(boolean)} and
4930     * {@link android.content.IntentFilter#getAutoVerify()}
4931     *
4932     * This is used by the ResolverActivity to change the status depending on what the User select
4933     * in the Disambiguation Dialog and also used by the Settings App for changing the default App
4934     * for a domain.
4935     *
4936     * @param packageName The package name of the Activity associated with the IntentFilter.
4937     * @param status 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}
4941     * @param userId The user id.
4942     *
4943     * @return true if the status has been set. False otherwise.
4944     *
4945     * @hide
4946     */
4947    @SystemApi
4948    @RequiresPermission(android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
4949    public abstract boolean updateIntentVerificationStatusAsUser(String packageName, int status,
4950            @UserIdInt int userId);
4951
4952    /**
4953     * Get the list of IntentFilterVerificationInfo for a specific package and User.
4954     *
4955     * @param packageName the package name. When this parameter is set to a non null value,
4956     *                    the results will be filtered by the package name provided.
4957     *                    Otherwise, there will be no filtering and it will return a list
4958     *                    corresponding for all packages
4959     *
4960     * @return a list of IntentFilterVerificationInfo for a specific package.
4961     *
4962     * @hide
4963     */
4964    @SystemApi
4965    public abstract List<IntentFilterVerificationInfo> getIntentFilterVerifications(
4966            String packageName);
4967
4968    /**
4969     * Get the list of IntentFilter for a specific package.
4970     *
4971     * @param packageName the package name. This parameter is set to a non null value,
4972     *                    the list will contain all the IntentFilter for that package.
4973     *                    Otherwise, the list will be empty.
4974     *
4975     * @return a list of IntentFilter for a specific package.
4976     *
4977     * @hide
4978     */
4979    @SystemApi
4980    public abstract List<IntentFilter> getAllIntentFilters(String packageName);
4981
4982    /**
4983     * Get the default Browser package name for a specific user.
4984     *
4985     * @param userId The user id.
4986     *
4987     * @return the package name of the default Browser for the specified user. If the user id passed
4988     *         is -1 (all users) it will return a null value.
4989     *
4990     * @hide
4991     */
4992    @TestApi
4993    @SystemApi
4994    @RequiresPermission(Manifest.permission.INTERACT_ACROSS_USERS_FULL)
4995    public abstract String getDefaultBrowserPackageNameAsUser(@UserIdInt int userId);
4996
4997    /**
4998     * Set the default Browser package name for a specific user.
4999     *
5000     * @param packageName The package name of the default Browser.
5001     * @param userId The user id.
5002     *
5003     * @return true if the default Browser for the specified user has been set,
5004     *         otherwise return false. If the user id passed is -1 (all users) this call will not
5005     *         do anything and just return false.
5006     *
5007     * @hide
5008     */
5009    @SystemApi
5010    @RequiresPermission(allOf = {
5011            Manifest.permission.SET_PREFERRED_APPLICATIONS,
5012            Manifest.permission.INTERACT_ACROSS_USERS_FULL})
5013    public abstract boolean setDefaultBrowserPackageNameAsUser(String packageName,
5014            @UserIdInt int userId);
5015
5016    /**
5017     * Change the installer associated with a given package.  There are limitations
5018     * on how the installer package can be changed; in particular:
5019     * <ul>
5020     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
5021     * is not signed with the same certificate as the calling application.
5022     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
5023     * has an installer package, and that installer package is not signed with
5024     * the same certificate as the calling application.
5025     * </ul>
5026     *
5027     * @param targetPackage The installed package whose installer will be changed.
5028     * @param installerPackageName The package name of the new installer.  May be
5029     * null to clear the association.
5030     */
5031    public abstract void setInstallerPackageName(String targetPackage,
5032            String installerPackageName);
5033
5034    /** @hide */
5035    @SystemApi
5036    @RequiresPermission(Manifest.permission.INSTALL_PACKAGES)
5037    public abstract void setUpdateAvailable(String packageName, boolean updateAvaialble);
5038
5039    /**
5040     * Attempts to delete a package. Since this may take a little while, the
5041     * result will be posted back to the given observer. A deletion will fail if
5042     * the calling context lacks the
5043     * {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
5044     * named package cannot be found, or if the named package is a system
5045     * package.
5046     *
5047     * @param packageName The name of the package to delete
5048     * @param observer An observer callback to get notified when the package
5049     *            deletion is complete.
5050     *            {@link android.content.pm.IPackageDeleteObserver#packageDeleted}
5051     *            will be called when that happens. observer may be null to
5052     *            indicate that no callback is desired.
5053     * @hide
5054     */
5055    @RequiresPermission(Manifest.permission.DELETE_PACKAGES)
5056    public abstract void deletePackage(String packageName, IPackageDeleteObserver observer,
5057            @DeleteFlags int flags);
5058
5059    /**
5060     * Attempts to delete a package. Since this may take a little while, the
5061     * result will be posted back to the given observer. A deletion will fail if
5062     * the named package cannot be found, or if the named package is a system
5063     * package.
5064     *
5065     * @param packageName The name of the package to delete
5066     * @param observer An observer callback to get notified when the package
5067     *            deletion is complete.
5068     *            {@link android.content.pm.IPackageDeleteObserver#packageDeleted}
5069     *            will be called when that happens. observer may be null to
5070     *            indicate that no callback is desired.
5071     * @param userId The user Id
5072     * @hide
5073     */
5074    @RequiresPermission(anyOf = {
5075            Manifest.permission.DELETE_PACKAGES,
5076            Manifest.permission.INTERACT_ACROSS_USERS_FULL})
5077    public abstract void deletePackageAsUser(@NonNull String packageName,
5078            IPackageDeleteObserver observer, @DeleteFlags int flags, @UserIdInt int userId);
5079
5080    /**
5081     * Retrieve the package name of the application that installed a package. This identifies
5082     * which market the package came from.
5083     *
5084     * @param packageName The name of the package to query
5085     * @throws IllegalArgumentException if the given package name is not installed
5086     */
5087    public abstract String getInstallerPackageName(String packageName);
5088
5089    /**
5090     * Attempts to clear the user data directory of an application.
5091     * Since this may take a little while, the result will
5092     * be posted back to the given observer.  A deletion will fail if the
5093     * named package cannot be found, or if the named package is a "system package".
5094     *
5095     * @param packageName The name of the package
5096     * @param observer An observer callback to get notified when the operation is finished
5097     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
5098     * will be called when that happens.  observer may be null to indicate that
5099     * no callback is desired.
5100     *
5101     * @hide
5102     */
5103    public abstract void clearApplicationUserData(String packageName,
5104            IPackageDataObserver observer);
5105    /**
5106     * Attempts to delete the cache files associated with an application.
5107     * Since this may take a little while, the result will
5108     * be posted back to the given observer.  A deletion will fail if the calling context
5109     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
5110     * named package cannot be found, or if the named package is a "system package".
5111     *
5112     * @param packageName The name of the package to delete
5113     * @param observer An observer callback to get notified when the cache file deletion
5114     * is complete.
5115     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
5116     * will be called when that happens.  observer may be null to indicate that
5117     * no callback is desired.
5118     *
5119     * @hide
5120     */
5121    public abstract void deleteApplicationCacheFiles(String packageName,
5122            IPackageDataObserver observer);
5123
5124    /**
5125     * Attempts to delete the cache files associated with an application for a given user. Since
5126     * this may take a little while, the result will be posted back to the given observer. A
5127     * deletion will fail if the calling context lacks the
5128     * {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the named package
5129     * cannot be found, or if the named package is a "system package". If {@code userId} does not
5130     * belong to the calling user, the caller must have
5131     * {@link android.Manifest.permission#INTERACT_ACROSS_USERS} permission.
5132     *
5133     * @param packageName The name of the package to delete
5134     * @param userId the user for which the cache files needs to be deleted
5135     * @param observer An observer callback to get notified when the cache file deletion is
5136     *            complete.
5137     *            {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
5138     *            will be called when that happens. observer may be null to indicate that no
5139     *            callback is desired.
5140     * @hide
5141     */
5142    public abstract void deleteApplicationCacheFilesAsUser(String packageName, int userId,
5143            IPackageDataObserver observer);
5144
5145    /**
5146     * Free storage by deleting LRU sorted list of cache files across
5147     * all applications. If the currently available free storage
5148     * on the device is greater than or equal to the requested
5149     * free storage, no cache files are cleared. If the currently
5150     * available storage on the device is less than the requested
5151     * free storage, some or all of the cache files across
5152     * all applications are deleted (based on last accessed time)
5153     * to increase the free storage space on the device to
5154     * the requested value. There is no guarantee that clearing all
5155     * the cache files from all applications will clear up
5156     * enough storage to achieve the desired value.
5157     * @param freeStorageSize The number of bytes of storage to be
5158     * freed by the system. Say if freeStorageSize is XX,
5159     * and the current free storage is YY,
5160     * if XX is less than YY, just return. if not free XX-YY number
5161     * of bytes if possible.
5162     * @param observer call back used to notify when
5163     * the operation is completed
5164     *
5165     * @hide
5166     */
5167    public void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer) {
5168        freeStorageAndNotify(null, freeStorageSize, observer);
5169    }
5170
5171    /** {@hide} */
5172    public abstract void freeStorageAndNotify(String volumeUuid, long freeStorageSize,
5173            IPackageDataObserver observer);
5174
5175    /**
5176     * Free storage by deleting LRU sorted list of cache files across
5177     * all applications. If the currently available free storage
5178     * on the device is greater than or equal to the requested
5179     * free storage, no cache files are cleared. If the currently
5180     * available storage on the device is less than the requested
5181     * free storage, some or all of the cache files across
5182     * all applications are deleted (based on last accessed time)
5183     * to increase the free storage space on the device to
5184     * the requested value. There is no guarantee that clearing all
5185     * the cache files from all applications will clear up
5186     * enough storage to achieve the desired value.
5187     * @param freeStorageSize The number of bytes of storage to be
5188     * freed by the system. Say if freeStorageSize is XX,
5189     * and the current free storage is YY,
5190     * if XX is less than YY, just return. if not free XX-YY number
5191     * of bytes if possible.
5192     * @param pi IntentSender call back used to
5193     * notify when the operation is completed.May be null
5194     * to indicate that no call back is desired.
5195     *
5196     * @hide
5197     */
5198    public void freeStorage(long freeStorageSize, IntentSender pi) {
5199        freeStorage(null, freeStorageSize, pi);
5200    }
5201
5202    /** {@hide} */
5203    public abstract void freeStorage(String volumeUuid, long freeStorageSize, IntentSender pi);
5204
5205    /**
5206     * Retrieve the size information for a package.
5207     * Since this may take a little while, the result will
5208     * be posted back to the given observer.  The calling context
5209     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
5210     *
5211     * @param packageName The name of the package whose size information is to be retrieved
5212     * @param userId The user whose size information should be retrieved.
5213     * @param observer An observer callback to get notified when the operation
5214     * is complete.
5215     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
5216     * The observer's callback is invoked with a PackageStats object(containing the
5217     * code, data and cache sizes of the package) and a boolean value representing
5218     * the status of the operation. observer may be null to indicate that
5219     * no callback is desired.
5220     *
5221     * @deprecated use {@link StorageStatsManager} instead.
5222     * @hide
5223     */
5224    @Deprecated
5225    public abstract void getPackageSizeInfoAsUser(String packageName, @UserIdInt int userId,
5226            IPackageStatsObserver observer);
5227
5228    /**
5229     * Like {@link #getPackageSizeInfoAsUser(String, int, IPackageStatsObserver)}, but
5230     * returns the size for the calling user.
5231     *
5232     * @deprecated use {@link StorageStatsManager} instead.
5233     * @hide
5234     */
5235    @Deprecated
5236    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
5237        getPackageSizeInfoAsUser(packageName, getUserId(), observer);
5238    }
5239
5240    /**
5241     * @deprecated This function no longer does anything; it was an old
5242     * approach to managing preferred activities, which has been superseded
5243     * by (and conflicts with) the modern activity-based preferences.
5244     */
5245    @Deprecated
5246    public abstract void addPackageToPreferred(String packageName);
5247
5248    /**
5249     * @deprecated This function no longer does anything; it was an old
5250     * approach to managing preferred activities, which has been superseded
5251     * by (and conflicts with) the modern activity-based preferences.
5252     */
5253    @Deprecated
5254    public abstract void removePackageFromPreferred(String packageName);
5255
5256    /**
5257     * Retrieve the list of all currently configured preferred packages. The
5258     * first package on the list is the most preferred, the last is the least
5259     * preferred.
5260     *
5261     * @param flags Additional option flags to modify the data returned.
5262     * @return A List of PackageInfo objects, one for each preferred
5263     *         application, in order of preference.
5264     */
5265    public abstract List<PackageInfo> getPreferredPackages(@PackageInfoFlags int flags);
5266
5267    /**
5268     * @deprecated This is a protected API that should not have been available
5269     * to third party applications.  It is the platform's responsibility for
5270     * assigning preferred activities and this cannot be directly modified.
5271     *
5272     * Add a new preferred activity mapping to the system.  This will be used
5273     * to automatically select the given activity component when
5274     * {@link Context#startActivity(Intent) Context.startActivity()} finds
5275     * multiple matching activities and also matches the given filter.
5276     *
5277     * @param filter The set of intents under which this activity will be
5278     * made preferred.
5279     * @param match The IntentFilter match category that this preference
5280     * applies to.
5281     * @param set The set of activities that the user was picking from when
5282     * this preference was made.
5283     * @param activity The component name of the activity that is to be
5284     * preferred.
5285     */
5286    @Deprecated
5287    public abstract void addPreferredActivity(IntentFilter filter, int match,
5288            ComponentName[] set, ComponentName activity);
5289
5290    /**
5291     * Same as {@link #addPreferredActivity(IntentFilter, int,
5292            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
5293            to.
5294     * @hide
5295     */
5296    public void addPreferredActivityAsUser(IntentFilter filter, int match,
5297            ComponentName[] set, ComponentName activity, @UserIdInt int userId) {
5298        throw new RuntimeException("Not implemented. Must override in a subclass.");
5299    }
5300
5301    /**
5302     * @deprecated This is a protected API that should not have been available
5303     * to third party applications.  It is the platform's responsibility for
5304     * assigning preferred activities and this cannot be directly modified.
5305     *
5306     * Replaces an existing preferred activity mapping to the system, and if that were not present
5307     * adds a new preferred activity.  This will be used
5308     * to automatically select the given activity component when
5309     * {@link Context#startActivity(Intent) Context.startActivity()} finds
5310     * multiple matching activities and also matches the given filter.
5311     *
5312     * @param filter The set of intents under which this activity will be
5313     * made preferred.
5314     * @param match The IntentFilter match category that this preference
5315     * applies to.
5316     * @param set The set of activities that the user was picking from when
5317     * this preference was made.
5318     * @param activity The component name of the activity that is to be
5319     * preferred.
5320     * @hide
5321     */
5322    @Deprecated
5323    public abstract void replacePreferredActivity(IntentFilter filter, int match,
5324            ComponentName[] set, ComponentName activity);
5325
5326    /**
5327     * @hide
5328     */
5329    @Deprecated
5330    public void replacePreferredActivityAsUser(IntentFilter filter, int match,
5331           ComponentName[] set, ComponentName activity, @UserIdInt int userId) {
5332        throw new RuntimeException("Not implemented. Must override in a subclass.");
5333    }
5334
5335    /**
5336     * Remove all preferred activity mappings, previously added with
5337     * {@link #addPreferredActivity}, from the
5338     * system whose activities are implemented in the given package name.
5339     * An application can only clear its own package(s).
5340     *
5341     * @param packageName The name of the package whose preferred activity
5342     * mappings are to be removed.
5343     */
5344    public abstract void clearPackagePreferredActivities(String packageName);
5345
5346    /**
5347     * Retrieve all preferred activities, previously added with
5348     * {@link #addPreferredActivity}, that are
5349     * currently registered with the system.
5350     *
5351     * @param outFilters A required list in which to place the filters of all of the
5352     * preferred activities.
5353     * @param outActivities A required list in which to place the component names of
5354     * all of the preferred activities.
5355     * @param packageName An optional package in which you would like to limit
5356     * the list.  If null, all activities will be returned; if non-null, only
5357     * those activities in the given package are returned.
5358     *
5359     * @return Returns the total number of registered preferred activities
5360     * (the number of distinct IntentFilter records, not the number of unique
5361     * activity components) that were found.
5362     */
5363    public abstract int getPreferredActivities(@NonNull List<IntentFilter> outFilters,
5364            @NonNull List<ComponentName> outActivities, String packageName);
5365
5366    /**
5367     * Ask for the set of available 'home' activities and the current explicit
5368     * default, if any.
5369     * @hide
5370     */
5371    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
5372
5373    /**
5374     * Set the enabled setting for a package component (activity, receiver, service, provider).
5375     * This setting will override any enabled state which may have been set by the component in its
5376     * manifest.
5377     *
5378     * @param componentName The component to enable
5379     * @param newState The new enabled state for the component.
5380     * @param flags Optional behavior flags.
5381     */
5382    public abstract void setComponentEnabledSetting(ComponentName componentName,
5383            @EnabledState int newState, @EnabledFlags int flags);
5384
5385    /**
5386     * Return the enabled setting for a package component (activity,
5387     * receiver, service, provider).  This returns the last value set by
5388     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
5389     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
5390     * the value originally specified in the manifest has not been modified.
5391     *
5392     * @param componentName The component to retrieve.
5393     * @return Returns the current enabled state for the component.
5394     */
5395    public abstract @EnabledState int getComponentEnabledSetting(
5396            ComponentName componentName);
5397
5398    /**
5399     * Set the enabled setting for an application
5400     * This setting will override any enabled state which may have been set by the application in
5401     * its manifest.  It also overrides the enabled state set in the manifest for any of the
5402     * application's components.  It does not override any enabled state set by
5403     * {@link #setComponentEnabledSetting} for any of the application's components.
5404     *
5405     * @param packageName The package name of the application to enable
5406     * @param newState The new enabled state for the application.
5407     * @param flags Optional behavior flags.
5408     */
5409    public abstract void setApplicationEnabledSetting(String packageName,
5410            @EnabledState int newState, @EnabledFlags int flags);
5411
5412    /**
5413     * Return the enabled setting for an application. This returns
5414     * the last value set by
5415     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
5416     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
5417     * the value originally specified in the manifest has not been modified.
5418     *
5419     * @param packageName The package name of the application to retrieve.
5420     * @return Returns the current enabled state for the application.
5421     * @throws IllegalArgumentException if the named package does not exist.
5422     */
5423    public abstract @EnabledState int getApplicationEnabledSetting(String packageName);
5424
5425    /**
5426     * Flush the package restrictions for a given user to disk. This forces the package restrictions
5427     * like component and package enabled settings to be written to disk and avoids the delay that
5428     * is otherwise present when changing those settings.
5429     *
5430     * @param userId Ther userId of the user whose restrictions are to be flushed.
5431     * @hide
5432     */
5433    public abstract void flushPackageRestrictionsAsUser(int userId);
5434
5435    /**
5436     * Puts the package in a hidden state, which is almost like an uninstalled state,
5437     * making the package unavailable, but it doesn't remove the data or the actual
5438     * package file. Application can be unhidden by either resetting the hidden state
5439     * or by installing it, such as with {@link #installExistingPackage(String)}
5440     * @hide
5441     */
5442    public abstract boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden,
5443            UserHandle userHandle);
5444
5445    /**
5446     * Returns the hidden state of a package.
5447     * @see #setApplicationHiddenSettingAsUser(String, boolean, UserHandle)
5448     * @hide
5449     */
5450    public abstract boolean getApplicationHiddenSettingAsUser(String packageName,
5451            UserHandle userHandle);
5452
5453    /**
5454     * Return whether the device has been booted into safe mode.
5455     */
5456    public abstract boolean isSafeMode();
5457
5458    /**
5459     * Adds a listener for permission changes for installed packages.
5460     *
5461     * @param listener The listener to add.
5462     *
5463     * @hide
5464     */
5465    @SystemApi
5466    @RequiresPermission(Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS)
5467    public abstract void addOnPermissionsChangeListener(OnPermissionsChangedListener listener);
5468
5469    /**
5470     * Remvoes a listener for permission changes for installed packages.
5471     *
5472     * @param listener The listener to remove.
5473     *
5474     * @hide
5475     */
5476    @SystemApi
5477    @RequiresPermission(Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS)
5478    public abstract void removeOnPermissionsChangeListener(OnPermissionsChangedListener listener);
5479
5480    /**
5481     * Return the {@link KeySet} associated with the String alias for this
5482     * application.
5483     *
5484     * @param alias The alias for a given {@link KeySet} as defined in the
5485     *        application's AndroidManifest.xml.
5486     * @hide
5487     */
5488    public abstract KeySet getKeySetByAlias(String packageName, String alias);
5489
5490    /** Return the signing {@link KeySet} for this application.
5491     * @hide
5492     */
5493    public abstract KeySet getSigningKeySet(String packageName);
5494
5495    /**
5496     * Return whether the package denoted by packageName has been signed by all
5497     * of the keys specified by the {@link KeySet} ks.  This will return true if
5498     * the package has been signed by additional keys (a superset) as well.
5499     * Compare to {@link #isSignedByExactly(String packageName, KeySet ks)}.
5500     * @hide
5501     */
5502    public abstract boolean isSignedBy(String packageName, KeySet ks);
5503
5504    /**
5505     * Return whether the package denoted by packageName has been signed by all
5506     * of, and only, the keys specified by the {@link KeySet} ks. Compare to
5507     * {@link #isSignedBy(String packageName, KeySet ks)}.
5508     * @hide
5509     */
5510    public abstract boolean isSignedByExactly(String packageName, KeySet ks);
5511
5512    /**
5513     * Puts the package in a suspended state, where attempts at starting activities are denied.
5514     *
5515     * <p>It doesn't remove the data or the actual package file. The application's notifications
5516     * will be hidden, any of its started activities will be stopped and it will not be able to
5517     * show toasts or dialogs or ring the device. When the user tries to launch a suspended app, a
5518     * system dialog with the given {@code dialogMessage} will be shown instead.</p>
5519     *
5520     * <p>The package must already be installed. If the package is uninstalled while suspended
5521     * the package will no longer be suspended. </p>
5522     *
5523     * <p>Optionally, the suspending app can provide extra information in the form of
5524     * {@link PersistableBundle} objects to be shared with the apps being suspended and the
5525     * launcher to support customization that they might need to handle the suspended state. </p>
5526     *
5527     * <p>The caller must hold {@link Manifest.permission#SUSPEND_APPS} or
5528     * {@link Manifest.permission#MANAGE_USERS} to use this api.</p>
5529     *
5530     * @param packageNames The names of the packages to set the suspended status.
5531     * @param suspended If set to {@code true} than the packages will be suspended, if set to
5532     * {@code false}, the packages will be unsuspended.
5533     * @param appExtras An optional {@link PersistableBundle} that the suspending app can provide
5534     *                  which will be shared with the apps being suspended. Ignored if
5535     *                  {@code suspended} is false.
5536     * @param launcherExtras An optional {@link PersistableBundle} that the suspending app can
5537     *                       provide which will be shared with the launcher. Ignored if
5538     *                       {@code suspended} is false.
5539     * @param dialogMessage The message to be displayed to the user, when they try to launch a
5540     *                      suspended app.
5541     *
5542     * @return an array of package names for which the suspended status is not set as requested in
5543     * this method.
5544     *
5545     * @hide
5546     */
5547    @SystemApi
5548    @RequiresPermission(anyOf = {Manifest.permission.SUSPEND_APPS,
5549            Manifest.permission.MANAGE_USERS})
5550    public String[] setPackagesSuspended(String[] packageNames, boolean suspended,
5551            @Nullable PersistableBundle appExtras, @Nullable PersistableBundle launcherExtras,
5552            String dialogMessage) {
5553        throw new UnsupportedOperationException("setPackagesSuspended not implemented");
5554    }
5555
5556    /**
5557     * @see #setPackagesSuspended(String[], boolean, PersistableBundle, PersistableBundle, String)
5558     * @param packageName The name of the package to get the suspended status of.
5559     * @param userId The user id.
5560     * @return {@code true} if the package is suspended or {@code false} if the package is not
5561     * suspended or could not be found.
5562     * @hide
5563     */
5564    public abstract boolean isPackageSuspendedForUser(String packageName, int userId);
5565
5566    /**
5567     * Query if an app is currently suspended.
5568     *
5569     * @return {@code true} if the given package is suspended, {@code false} otherwise
5570     *
5571     * @see #setPackagesSuspended(String[], boolean, PersistableBundle, PersistableBundle, String)
5572     * @hide
5573     */
5574    @SystemApi
5575    public boolean isPackageSuspended(String packageName) {
5576        throw new UnsupportedOperationException("isPackageSuspended not implemented");
5577    }
5578
5579    /**
5580     * Apps can query this to know if they have been suspended. A system app with the permission
5581     * {@code android.permission.SUSPEND_APPS} can put any app on the device into a suspended state.
5582     *
5583     * <p>While in this state, the application's notifications will be hidden, any of its started
5584     * activities will be stopped and it will not be able to show toasts or dialogs or ring the
5585     * device. When the user tries to launch a suspended app, the system will, instead, show a
5586     * dialog to the user informing them that they cannot use this app while it is suspended.
5587     *
5588     * <p>When an app is put into this state, the broadcast action
5589     * {@link Intent#ACTION_MY_PACKAGE_SUSPENDED} will be delivered to any of its broadcast
5590     * receivers that included this action in their intent-filters, <em>including manifest
5591     * receivers.</em> Similarly, a broadcast action {@link Intent#ACTION_MY_PACKAGE_UNSUSPENDED}
5592     * is delivered when a previously suspended app is taken out of this state.
5593     * </p>
5594     *
5595     * @return {@code true} if the calling package has been suspended, {@code false} otherwise.
5596     *
5597     * @see #getSuspendedPackageAppExtras()
5598     * @see Intent#ACTION_MY_PACKAGE_SUSPENDED
5599     * @see Intent#ACTION_MY_PACKAGE_UNSUSPENDED
5600     */
5601    public boolean isPackageSuspended() {
5602        throw new UnsupportedOperationException("isPackageSuspended not implemented");
5603    }
5604
5605    /**
5606     * Retrieve the {@link PersistableBundle} that was passed as {@code appExtras} when the given
5607     * package was suspended.
5608     *
5609     * <p> The caller must hold permission {@link Manifest.permission#SUSPEND_APPS} to use this
5610     * api.</p>
5611     *
5612     * @param packageName The package to retrieve extras for.
5613     * @return The {@code appExtras} for the suspended package.
5614     *
5615     * @see #setPackagesSuspended(String[], boolean, PersistableBundle, PersistableBundle, String)
5616     * @hide
5617     */
5618    @SystemApi
5619    @RequiresPermission(Manifest.permission.SUSPEND_APPS)
5620    public @Nullable PersistableBundle getSuspendedPackageAppExtras(String packageName) {
5621        throw new UnsupportedOperationException("getSuspendedPackageAppExtras not implemented");
5622    }
5623
5624    /**
5625     * Set the app extras for a suspended package. This method can be used to update the appExtras
5626     * for a package that was earlier suspended using
5627     * {@link #setPackagesSuspended(String[], boolean, PersistableBundle, PersistableBundle,
5628     * String)}
5629     * Does nothing if the given package is not already in a suspended state.
5630     *
5631     * @param packageName The package for which the appExtras need to be updated
5632     * @param appExtras The new appExtras for the given package
5633     *
5634     * @see #setPackagesSuspended(String[], boolean, PersistableBundle, PersistableBundle, String)
5635     *
5636     * @hide
5637     */
5638    @SystemApi
5639    @RequiresPermission(Manifest.permission.SUSPEND_APPS)
5640    public void setSuspendedPackageAppExtras(String packageName,
5641            @Nullable PersistableBundle appExtras) {
5642        throw new UnsupportedOperationException("setSuspendedPackageAppExtras not implemented");
5643    }
5644
5645    /**
5646     * Returns any extra information supplied as {@code appExtras} to the system when the calling
5647     * app was suspended.
5648     *
5649     * <p>Note: If no extras were supplied to the system, this method will return {@code null}, even
5650     * when the calling app has been suspended.</p>
5651     *
5652     * @return A {@link Bundle} containing the extras for the app, or {@code null} if the
5653     * package is not currently suspended.
5654     *
5655     * @see #isPackageSuspended()
5656     * @see Intent#ACTION_MY_PACKAGE_UNSUSPENDED
5657     * @see Intent#ACTION_MY_PACKAGE_SUSPENDED
5658     */
5659    public @Nullable Bundle getSuspendedPackageAppExtras() {
5660        throw new UnsupportedOperationException("getSuspendedPackageAppExtras not implemented");
5661    }
5662
5663    /**
5664     * Provide a hint of what the {@link ApplicationInfo#category} value should
5665     * be for the given package.
5666     * <p>
5667     * This hint can only be set by the app which installed this package, as
5668     * determined by {@link #getInstallerPackageName(String)}.
5669     *
5670     * @param packageName the package to change the category hint for.
5671     * @param categoryHint the category hint to set.
5672     */
5673    public abstract void setApplicationCategoryHint(@NonNull String packageName,
5674            @ApplicationInfo.Category int categoryHint);
5675
5676    /** {@hide} */
5677    public static boolean isMoveStatusFinished(int status) {
5678        return (status < 0 || status > 100);
5679    }
5680
5681    /** {@hide} */
5682    public static abstract class MoveCallback {
5683        public void onCreated(int moveId, Bundle extras) {}
5684        public abstract void onStatusChanged(int moveId, int status, long estMillis);
5685    }
5686
5687    /** {@hide} */
5688    public abstract int getMoveStatus(int moveId);
5689
5690    /** {@hide} */
5691    public abstract void registerMoveCallback(MoveCallback callback, Handler handler);
5692    /** {@hide} */
5693    public abstract void unregisterMoveCallback(MoveCallback callback);
5694
5695    /** {@hide} */
5696    public abstract int movePackage(String packageName, VolumeInfo vol);
5697    /** {@hide} */
5698    public abstract @Nullable VolumeInfo getPackageCurrentVolume(ApplicationInfo app);
5699    /** {@hide} */
5700    public abstract @NonNull List<VolumeInfo> getPackageCandidateVolumes(ApplicationInfo app);
5701
5702    /** {@hide} */
5703    public abstract int movePrimaryStorage(VolumeInfo vol);
5704    /** {@hide} */
5705    public abstract @Nullable VolumeInfo getPrimaryStorageCurrentVolume();
5706    /** {@hide} */
5707    public abstract @NonNull List<VolumeInfo> getPrimaryStorageCandidateVolumes();
5708
5709    /**
5710     * Returns the device identity that verifiers can use to associate their scheme to a particular
5711     * device. This should not be used by anything other than a package verifier.
5712     *
5713     * @return identity that uniquely identifies current device
5714     * @hide
5715     */
5716    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
5717
5718    /**
5719     * Returns true if the device is upgrading, such as first boot after OTA.
5720     *
5721     * @hide
5722     */
5723    public abstract boolean isUpgrade();
5724
5725    /**
5726     * Return interface that offers the ability to install, upgrade, and remove
5727     * applications on the device.
5728     */
5729    public abstract @NonNull PackageInstaller getPackageInstaller();
5730
5731    /**
5732     * Adds a {@code CrossProfileIntentFilter}. After calling this method all
5733     * intents sent from the user with id sourceUserId can also be be resolved
5734     * by activities in the user with id targetUserId if they match the
5735     * specified intent filter.
5736     *
5737     * @param filter The {@link IntentFilter} the intent has to match
5738     * @param sourceUserId The source user id.
5739     * @param targetUserId The target user id.
5740     * @param flags The possible values are {@link #SKIP_CURRENT_PROFILE} and
5741     *            {@link #ONLY_IF_NO_MATCH_FOUND}.
5742     * @hide
5743     */
5744    public abstract void addCrossProfileIntentFilter(IntentFilter filter, int sourceUserId,
5745            int targetUserId, int flags);
5746
5747    /**
5748     * Clearing {@code CrossProfileIntentFilter}s which have the specified user
5749     * as their source, and have been set by the app calling this method.
5750     *
5751     * @param sourceUserId The source user id.
5752     * @hide
5753     */
5754    public abstract void clearCrossProfileIntentFilters(int sourceUserId);
5755
5756    /**
5757     * @hide
5758     */
5759    public abstract Drawable loadItemIcon(PackageItemInfo itemInfo, ApplicationInfo appInfo);
5760
5761    /**
5762     * @hide
5763     */
5764    public abstract Drawable loadUnbadgedItemIcon(PackageItemInfo itemInfo, ApplicationInfo appInfo);
5765
5766    /** {@hide} */
5767    public abstract boolean isPackageAvailable(String packageName);
5768
5769    /** {@hide} */
5770    public static String installStatusToString(int status, String msg) {
5771        final String str = installStatusToString(status);
5772        if (msg != null) {
5773            return str + ": " + msg;
5774        } else {
5775            return str;
5776        }
5777    }
5778
5779    /** {@hide} */
5780    public static String installStatusToString(int status) {
5781        switch (status) {
5782            case INSTALL_SUCCEEDED: return "INSTALL_SUCCEEDED";
5783            case INSTALL_FAILED_ALREADY_EXISTS: return "INSTALL_FAILED_ALREADY_EXISTS";
5784            case INSTALL_FAILED_INVALID_APK: return "INSTALL_FAILED_INVALID_APK";
5785            case INSTALL_FAILED_INVALID_URI: return "INSTALL_FAILED_INVALID_URI";
5786            case INSTALL_FAILED_INSUFFICIENT_STORAGE: return "INSTALL_FAILED_INSUFFICIENT_STORAGE";
5787            case INSTALL_FAILED_DUPLICATE_PACKAGE: return "INSTALL_FAILED_DUPLICATE_PACKAGE";
5788            case INSTALL_FAILED_NO_SHARED_USER: return "INSTALL_FAILED_NO_SHARED_USER";
5789            case INSTALL_FAILED_UPDATE_INCOMPATIBLE: return "INSTALL_FAILED_UPDATE_INCOMPATIBLE";
5790            case INSTALL_FAILED_SHARED_USER_INCOMPATIBLE: return "INSTALL_FAILED_SHARED_USER_INCOMPATIBLE";
5791            case INSTALL_FAILED_MISSING_SHARED_LIBRARY: return "INSTALL_FAILED_MISSING_SHARED_LIBRARY";
5792            case INSTALL_FAILED_REPLACE_COULDNT_DELETE: return "INSTALL_FAILED_REPLACE_COULDNT_DELETE";
5793            case INSTALL_FAILED_DEXOPT: return "INSTALL_FAILED_DEXOPT";
5794            case INSTALL_FAILED_OLDER_SDK: return "INSTALL_FAILED_OLDER_SDK";
5795            case INSTALL_FAILED_CONFLICTING_PROVIDER: return "INSTALL_FAILED_CONFLICTING_PROVIDER";
5796            case INSTALL_FAILED_NEWER_SDK: return "INSTALL_FAILED_NEWER_SDK";
5797            case INSTALL_FAILED_TEST_ONLY: return "INSTALL_FAILED_TEST_ONLY";
5798            case INSTALL_FAILED_CPU_ABI_INCOMPATIBLE: return "INSTALL_FAILED_CPU_ABI_INCOMPATIBLE";
5799            case INSTALL_FAILED_MISSING_FEATURE: return "INSTALL_FAILED_MISSING_FEATURE";
5800            case INSTALL_FAILED_CONTAINER_ERROR: return "INSTALL_FAILED_CONTAINER_ERROR";
5801            case INSTALL_FAILED_INVALID_INSTALL_LOCATION: return "INSTALL_FAILED_INVALID_INSTALL_LOCATION";
5802            case INSTALL_FAILED_MEDIA_UNAVAILABLE: return "INSTALL_FAILED_MEDIA_UNAVAILABLE";
5803            case INSTALL_FAILED_VERIFICATION_TIMEOUT: return "INSTALL_FAILED_VERIFICATION_TIMEOUT";
5804            case INSTALL_FAILED_VERIFICATION_FAILURE: return "INSTALL_FAILED_VERIFICATION_FAILURE";
5805            case INSTALL_FAILED_PACKAGE_CHANGED: return "INSTALL_FAILED_PACKAGE_CHANGED";
5806            case INSTALL_FAILED_UID_CHANGED: return "INSTALL_FAILED_UID_CHANGED";
5807            case INSTALL_FAILED_VERSION_DOWNGRADE: return "INSTALL_FAILED_VERSION_DOWNGRADE";
5808            case INSTALL_PARSE_FAILED_NOT_APK: return "INSTALL_PARSE_FAILED_NOT_APK";
5809            case INSTALL_PARSE_FAILED_BAD_MANIFEST: return "INSTALL_PARSE_FAILED_BAD_MANIFEST";
5810            case INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION: return "INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION";
5811            case INSTALL_PARSE_FAILED_NO_CERTIFICATES: return "INSTALL_PARSE_FAILED_NO_CERTIFICATES";
5812            case INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES: return "INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES";
5813            case INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING: return "INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING";
5814            case INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME: return "INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME";
5815            case INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID: return "INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID";
5816            case INSTALL_PARSE_FAILED_MANIFEST_MALFORMED: return "INSTALL_PARSE_FAILED_MANIFEST_MALFORMED";
5817            case INSTALL_PARSE_FAILED_MANIFEST_EMPTY: return "INSTALL_PARSE_FAILED_MANIFEST_EMPTY";
5818            case INSTALL_FAILED_INTERNAL_ERROR: return "INSTALL_FAILED_INTERNAL_ERROR";
5819            case INSTALL_FAILED_USER_RESTRICTED: return "INSTALL_FAILED_USER_RESTRICTED";
5820            case INSTALL_FAILED_DUPLICATE_PERMISSION: return "INSTALL_FAILED_DUPLICATE_PERMISSION";
5821            case INSTALL_FAILED_NO_MATCHING_ABIS: return "INSTALL_FAILED_NO_MATCHING_ABIS";
5822            case INSTALL_FAILED_ABORTED: return "INSTALL_FAILED_ABORTED";
5823            case INSTALL_FAILED_BAD_DEX_METADATA:
5824                return "INSTALL_FAILED_BAD_DEX_METADATA";
5825            default: return Integer.toString(status);
5826        }
5827    }
5828
5829    /** {@hide} */
5830    public static int installStatusToPublicStatus(int status) {
5831        switch (status) {
5832            case INSTALL_SUCCEEDED: return PackageInstaller.STATUS_SUCCESS;
5833            case INSTALL_FAILED_ALREADY_EXISTS: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5834            case INSTALL_FAILED_INVALID_APK: return PackageInstaller.STATUS_FAILURE_INVALID;
5835            case INSTALL_FAILED_INVALID_URI: return PackageInstaller.STATUS_FAILURE_INVALID;
5836            case INSTALL_FAILED_INSUFFICIENT_STORAGE: return PackageInstaller.STATUS_FAILURE_STORAGE;
5837            case INSTALL_FAILED_DUPLICATE_PACKAGE: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5838            case INSTALL_FAILED_NO_SHARED_USER: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5839            case INSTALL_FAILED_UPDATE_INCOMPATIBLE: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5840            case INSTALL_FAILED_SHARED_USER_INCOMPATIBLE: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5841            case INSTALL_FAILED_MISSING_SHARED_LIBRARY: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5842            case INSTALL_FAILED_REPLACE_COULDNT_DELETE: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5843            case INSTALL_FAILED_DEXOPT: return PackageInstaller.STATUS_FAILURE_INVALID;
5844            case INSTALL_FAILED_OLDER_SDK: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5845            case INSTALL_FAILED_CONFLICTING_PROVIDER: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5846            case INSTALL_FAILED_NEWER_SDK: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5847            case INSTALL_FAILED_TEST_ONLY: return PackageInstaller.STATUS_FAILURE_INVALID;
5848            case INSTALL_FAILED_CPU_ABI_INCOMPATIBLE: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5849            case INSTALL_FAILED_MISSING_FEATURE: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5850            case INSTALL_FAILED_CONTAINER_ERROR: return PackageInstaller.STATUS_FAILURE_STORAGE;
5851            case INSTALL_FAILED_INVALID_INSTALL_LOCATION: return PackageInstaller.STATUS_FAILURE_STORAGE;
5852            case INSTALL_FAILED_MEDIA_UNAVAILABLE: return PackageInstaller.STATUS_FAILURE_STORAGE;
5853            case INSTALL_FAILED_VERIFICATION_TIMEOUT: return PackageInstaller.STATUS_FAILURE_ABORTED;
5854            case INSTALL_FAILED_VERIFICATION_FAILURE: return PackageInstaller.STATUS_FAILURE_ABORTED;
5855            case INSTALL_FAILED_PACKAGE_CHANGED: return PackageInstaller.STATUS_FAILURE_INVALID;
5856            case INSTALL_FAILED_UID_CHANGED: return PackageInstaller.STATUS_FAILURE_INVALID;
5857            case INSTALL_FAILED_VERSION_DOWNGRADE: return PackageInstaller.STATUS_FAILURE_INVALID;
5858            case INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE: return PackageInstaller.STATUS_FAILURE_INVALID;
5859            case INSTALL_PARSE_FAILED_NOT_APK: return PackageInstaller.STATUS_FAILURE_INVALID;
5860            case INSTALL_PARSE_FAILED_BAD_MANIFEST: return PackageInstaller.STATUS_FAILURE_INVALID;
5861            case INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION: return PackageInstaller.STATUS_FAILURE_INVALID;
5862            case INSTALL_PARSE_FAILED_NO_CERTIFICATES: return PackageInstaller.STATUS_FAILURE_INVALID;
5863            case INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES: return PackageInstaller.STATUS_FAILURE_INVALID;
5864            case INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING: return PackageInstaller.STATUS_FAILURE_INVALID;
5865            case INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME: return PackageInstaller.STATUS_FAILURE_INVALID;
5866            case INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID: return PackageInstaller.STATUS_FAILURE_INVALID;
5867            case INSTALL_PARSE_FAILED_MANIFEST_MALFORMED: return PackageInstaller.STATUS_FAILURE_INVALID;
5868            case INSTALL_PARSE_FAILED_MANIFEST_EMPTY: return PackageInstaller.STATUS_FAILURE_INVALID;
5869            case INSTALL_FAILED_BAD_DEX_METADATA: return PackageInstaller.STATUS_FAILURE_INVALID;
5870            case INSTALL_FAILED_INTERNAL_ERROR: return PackageInstaller.STATUS_FAILURE;
5871            case INSTALL_FAILED_USER_RESTRICTED: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5872            case INSTALL_FAILED_DUPLICATE_PERMISSION: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5873            case INSTALL_FAILED_NO_MATCHING_ABIS: return PackageInstaller.STATUS_FAILURE_INCOMPATIBLE;
5874            case INSTALL_FAILED_ABORTED: return PackageInstaller.STATUS_FAILURE_ABORTED;
5875            default: return PackageInstaller.STATUS_FAILURE;
5876        }
5877    }
5878
5879    /** {@hide} */
5880    public static String deleteStatusToString(int status, String msg) {
5881        final String str = deleteStatusToString(status);
5882        if (msg != null) {
5883            return str + ": " + msg;
5884        } else {
5885            return str;
5886        }
5887    }
5888
5889    /** {@hide} */
5890    public static String deleteStatusToString(int status) {
5891        switch (status) {
5892            case DELETE_SUCCEEDED: return "DELETE_SUCCEEDED";
5893            case DELETE_FAILED_INTERNAL_ERROR: return "DELETE_FAILED_INTERNAL_ERROR";
5894            case DELETE_FAILED_DEVICE_POLICY_MANAGER: return "DELETE_FAILED_DEVICE_POLICY_MANAGER";
5895            case DELETE_FAILED_USER_RESTRICTED: return "DELETE_FAILED_USER_RESTRICTED";
5896            case DELETE_FAILED_OWNER_BLOCKED: return "DELETE_FAILED_OWNER_BLOCKED";
5897            case DELETE_FAILED_ABORTED: return "DELETE_FAILED_ABORTED";
5898            case DELETE_FAILED_USED_SHARED_LIBRARY: return "DELETE_FAILED_USED_SHARED_LIBRARY";
5899            default: return Integer.toString(status);
5900        }
5901    }
5902
5903    /** {@hide} */
5904    public static int deleteStatusToPublicStatus(int status) {
5905        switch (status) {
5906            case DELETE_SUCCEEDED: return PackageInstaller.STATUS_SUCCESS;
5907            case DELETE_FAILED_INTERNAL_ERROR: return PackageInstaller.STATUS_FAILURE;
5908            case DELETE_FAILED_DEVICE_POLICY_MANAGER: return PackageInstaller.STATUS_FAILURE_BLOCKED;
5909            case DELETE_FAILED_USER_RESTRICTED: return PackageInstaller.STATUS_FAILURE_BLOCKED;
5910            case DELETE_FAILED_OWNER_BLOCKED: return PackageInstaller.STATUS_FAILURE_BLOCKED;
5911            case DELETE_FAILED_ABORTED: return PackageInstaller.STATUS_FAILURE_ABORTED;
5912            case DELETE_FAILED_USED_SHARED_LIBRARY: return PackageInstaller.STATUS_FAILURE_CONFLICT;
5913            default: return PackageInstaller.STATUS_FAILURE;
5914        }
5915    }
5916
5917    /** {@hide} */
5918    public static String permissionFlagToString(int flag) {
5919        switch (flag) {
5920            case FLAG_PERMISSION_GRANTED_BY_DEFAULT: return "GRANTED_BY_DEFAULT";
5921            case FLAG_PERMISSION_POLICY_FIXED: return "POLICY_FIXED";
5922            case FLAG_PERMISSION_SYSTEM_FIXED: return "SYSTEM_FIXED";
5923            case FLAG_PERMISSION_USER_SET: return "USER_SET";
5924            case FLAG_PERMISSION_REVOKE_ON_UPGRADE: return "REVOKE_ON_UPGRADE";
5925            case FLAG_PERMISSION_USER_FIXED: return "USER_FIXED";
5926            case FLAG_PERMISSION_REVIEW_REQUIRED: return "REVIEW_REQUIRED";
5927            default: return Integer.toString(flag);
5928        }
5929    }
5930
5931    /** {@hide} */
5932    public static class LegacyPackageDeleteObserver extends PackageDeleteObserver {
5933        private final IPackageDeleteObserver mLegacy;
5934
5935        public LegacyPackageDeleteObserver(IPackageDeleteObserver legacy) {
5936            mLegacy = legacy;
5937        }
5938
5939        @Override
5940        public void onPackageDeleted(String basePackageName, int returnCode, String msg) {
5941            if (mLegacy == null) return;
5942            try {
5943                mLegacy.packageDeleted(basePackageName, returnCode);
5944            } catch (RemoteException ignored) {
5945            }
5946        }
5947    }
5948
5949    /**
5950     * Return the install reason that was recorded when a package was first
5951     * installed for a specific user. Requesting the install reason for another
5952     * user will require the permission INTERACT_ACROSS_USERS_FULL.
5953     *
5954     * @param packageName The package for which to retrieve the install reason
5955     * @param user The user for whom to retrieve the install reason
5956     * @return The install reason. If the package is not installed for the given
5957     *         user, {@code INSTALL_REASON_UNKNOWN} is returned.
5958     * @hide
5959     */
5960    @TestApi
5961    public abstract @InstallReason int getInstallReason(String packageName,
5962            @NonNull UserHandle user);
5963
5964    /**
5965     * Checks whether the calling package is allowed to request package installs through package
5966     * installer. Apps are encouraged to call this API before launching the package installer via
5967     * intent {@link android.content.Intent#ACTION_INSTALL_PACKAGE}. Starting from Android O, the
5968     * user can explicitly choose what external sources they trust to install apps on the device.
5969     * If this API returns false, the install request will be blocked by the package installer and
5970     * a dialog will be shown to the user with an option to launch settings to change their
5971     * preference. An application must target Android O or higher and declare permission
5972     * {@link android.Manifest.permission#REQUEST_INSTALL_PACKAGES} in order to use this API.
5973     *
5974     * @return true if the calling package is trusted by the user to request install packages on
5975     * the device, false otherwise.
5976     * @see android.content.Intent#ACTION_INSTALL_PACKAGE
5977     * @see android.provider.Settings#ACTION_MANAGE_UNKNOWN_APP_SOURCES
5978     */
5979    public abstract boolean canRequestPackageInstalls();
5980
5981    /**
5982     * Return the {@link ComponentName} of the activity providing Settings for the Instant App
5983     * resolver.
5984     *
5985     * @see {@link android.content.Intent#ACTION_INSTANT_APP_RESOLVER_SETTINGS}
5986     * @hide
5987     */
5988    @SystemApi
5989    public abstract ComponentName getInstantAppResolverSettingsComponent();
5990
5991    /**
5992     * Return the {@link ComponentName} of the activity responsible for installing instant
5993     * applications.
5994     *
5995     * @see {@link android.content.Intent#ACTION_INSTALL_INSTANT_APP_PACKAGE}
5996     * @hide
5997     */
5998    @SystemApi
5999    public abstract ComponentName getInstantAppInstallerComponent();
6000
6001    /**
6002     * Return the Android Id for a given Instant App.
6003     *
6004     * @see {@link android.provider.Settings.Secure#ANDROID_ID}
6005     * @hide
6006     */
6007    public abstract String getInstantAppAndroidId(String packageName, @NonNull UserHandle user);
6008
6009    /**
6010     * Callback use to notify the callers of module registration that the operation
6011     * has finished.
6012     *
6013     * @hide
6014     */
6015    @SystemApi
6016    public static abstract class DexModuleRegisterCallback {
6017        public abstract void onDexModuleRegistered(String dexModulePath, boolean success,
6018                String message);
6019    }
6020
6021    /**
6022     * Register an application dex module with the package manager.
6023     * The package manager will keep track of the given module for future optimizations.
6024     *
6025     * Dex module optimizations will disable the classpath checking at runtime. The client bares
6026     * the responsibility to ensure that the static assumptions on classes in the optimized code
6027     * hold at runtime (e.g. there's no duplicate classes in the classpath).
6028     *
6029     * Note that the package manager already keeps track of dex modules loaded with
6030     * {@link dalvik.system.DexClassLoader} and {@link dalvik.system.PathClassLoader}.
6031     * This can be called for an eager registration.
6032     *
6033     * The call might take a while and the results will be posted on the main thread, using
6034     * the given callback.
6035     *
6036     * If the module is intended to be shared with other apps, make sure that the file
6037     * permissions allow for it.
6038     * If at registration time the permissions allow for others to read it, the module would
6039     * be marked as a shared module which might undergo a different optimization strategy.
6040     * (usually shared modules will generated larger optimizations artifacts,
6041     * taking more disk space).
6042     *
6043     * @param dexModulePath the absolute path of the dex module.
6044     * @param callback if not null, {@link DexModuleRegisterCallback#onDexModuleRegistered} will
6045     *                 be called once the registration finishes.
6046     *
6047     * @hide
6048     */
6049    @SystemApi
6050    public abstract void registerDexModule(String dexModulePath,
6051            @Nullable DexModuleRegisterCallback callback);
6052
6053    /**
6054     * Returns the {@link ArtManager} associated with this package manager.
6055     *
6056     * @hide
6057     */
6058    @SystemApi
6059    public @NonNull ArtManager getArtManager() {
6060        throw new UnsupportedOperationException("getArtManager not implemented in subclass");
6061    }
6062
6063    /**
6064     * Sets or clears the harmful app warning details for the given app.
6065     *
6066     * When set, any attempt to launch an activity in this package will be intercepted and a
6067     * warning dialog will be shown to the user instead, with the given warning. The user
6068     * will have the option to proceed with the activity launch, or to uninstall the application.
6069     *
6070     * @param packageName The full name of the package to warn on.
6071     * @param warning A warning string to display to the user describing the threat posed by the
6072     *                application, or null to clear the warning.
6073     *
6074     * @hide
6075     */
6076    @RequiresPermission(Manifest.permission.SET_HARMFUL_APP_WARNINGS)
6077    @SystemApi
6078    public void setHarmfulAppWarning(@NonNull String packageName, @Nullable CharSequence warning) {
6079        throw new UnsupportedOperationException("setHarmfulAppWarning not implemented in subclass");
6080    }
6081
6082    /**
6083     * Returns the harmful app warning string for the given app, or null if there is none set.
6084     *
6085     * @param packageName The full name of the desired package.
6086     *
6087     * @hide
6088     */
6089    @RequiresPermission(Manifest.permission.SET_HARMFUL_APP_WARNINGS)
6090    @Nullable
6091    @SystemApi
6092    public CharSequence getHarmfulAppWarning(@NonNull String packageName) {
6093        throw new UnsupportedOperationException("getHarmfulAppWarning not implemented in subclass");
6094    }
6095
6096    /** @hide */
6097    @IntDef(prefix = { "CERT_INPUT_" }, value = {
6098            CERT_INPUT_RAW_X509,
6099            CERT_INPUT_SHA256
6100    })
6101    @Retention(RetentionPolicy.SOURCE)
6102    public @interface CertificateInputType {}
6103
6104    /**
6105     * Certificate input bytes: the input bytes represent an encoded X.509 Certificate which could
6106     * be generated using an {@code CertificateFactory}
6107     */
6108    public static final int CERT_INPUT_RAW_X509 = 0;
6109
6110    /**
6111     * Certificate input bytes: the input bytes represent the SHA256 output of an encoded X.509
6112     * Certificate.
6113     */
6114    public static final int CERT_INPUT_SHA256 = 1;
6115
6116    /**
6117     * Searches the set of signing certificates by which the given package has proven to have been
6118     * signed.  This should be used instead of {@code getPackageInfo} with {@code GET_SIGNATURES}
6119     * since it takes into account the possibility of signing certificate rotation, except in the
6120     * case of packages that are signed by multiple certificates, for which signing certificate
6121     * rotation is not supported.
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 given uid has proven to have been
6136     * signed.  This should be used instead of {@code getPackageInfo} with {@code GET_SIGNATURES}
6137     * since it takes into account the possibility of signing certificate rotation, except in the
6138     * case of packages that are signed by multiple certificates, for which signing certificate
6139     * rotation is not supported.
6140     *
6141     * @param uid package whose signing certificates to check
6142     * @param certificate signing certificate for which to search
6143     * @param type representation of the {@code certificate}
6144     * @return true if this package was or is signed by exactly the certificate {@code certificate}
6145     */
6146    public boolean hasSigningCertificate(
6147            int uid, byte[] certificate, @CertificateInputType int type) {
6148        throw new UnsupportedOperationException(
6149                "hasSigningCertificate not implemented in subclass");
6150    }
6151
6152    /**
6153     * @return the system defined text classifier package name, or null if there's none.
6154     *
6155     * @hide
6156     */
6157    public String getSystemTextClassifierPackageName() {
6158        throw new UnsupportedOperationException(
6159                "getSystemTextClassifierPackageName not implemented in subclass");
6160    }
6161
6162    /**
6163     * @return whether a given package's state is protected, e.g. package cannot be disabled,
6164     *         suspended, hidden or force stopped.
6165     *
6166     * @hide
6167     */
6168    public boolean isPackageStateProtected(String packageName, int userId) {
6169        throw new UnsupportedOperationException(
6170            "isPackageStateProtected not implemented in subclass");
6171    }
6172
6173}
6174