PackageManager.java revision f7cecf8f4bd7e34c8c49ca8816ffe3966195b6da
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.annotation.IntDef;
20import android.annotation.SdkConstant;
21import android.annotation.SdkConstant.SdkConstantType;
22import android.annotation.SystemApi;
23import android.app.PackageInstallObserver;
24import android.content.ComponentName;
25import android.content.Context;
26import android.content.Intent;
27import android.content.IntentFilter;
28import android.content.IntentSender;
29import android.content.pm.PackageParser.PackageParserException;
30import android.content.res.Resources;
31import android.content.res.XmlResourceParser;
32import android.graphics.drawable.Drawable;
33import android.net.Uri;
34import android.os.Bundle;
35import android.os.Environment;
36import android.os.UserHandle;
37import android.util.AndroidException;
38
39import java.io.File;
40import java.lang.annotation.Retention;
41import java.lang.annotation.RetentionPolicy;
42import java.util.List;
43
44/**
45 * Class for retrieving various kinds of information related to the application
46 * packages that are currently installed on the device.
47 *
48 * You can find this class through {@link Context#getPackageManager}.
49 */
50public abstract class PackageManager {
51
52    /**
53     * This exception is thrown when a given package, application, or component
54     * name cannot be found.
55     */
56    public static class NameNotFoundException extends AndroidException {
57        public NameNotFoundException() {
58        }
59
60        public NameNotFoundException(String name) {
61            super(name);
62        }
63    }
64
65    /**
66     * {@link PackageInfo} flag: return information about
67     * activities in the package in {@link PackageInfo#activities}.
68     */
69    public static final int GET_ACTIVITIES              = 0x00000001;
70
71    /**
72     * {@link PackageInfo} flag: return information about
73     * intent receivers in the package in
74     * {@link PackageInfo#receivers}.
75     */
76    public static final int GET_RECEIVERS               = 0x00000002;
77
78    /**
79     * {@link PackageInfo} flag: return information about
80     * services in the package in {@link PackageInfo#services}.
81     */
82    public static final int GET_SERVICES                = 0x00000004;
83
84    /**
85     * {@link PackageInfo} flag: return information about
86     * content providers in the package in
87     * {@link PackageInfo#providers}.
88     */
89    public static final int GET_PROVIDERS               = 0x00000008;
90
91    /**
92     * {@link PackageInfo} flag: return information about
93     * instrumentation in the package in
94     * {@link PackageInfo#instrumentation}.
95     */
96    public static final int GET_INSTRUMENTATION         = 0x00000010;
97
98    /**
99     * {@link PackageInfo} flag: return information about the
100     * intent filters supported by the activity.
101     */
102    public static final int GET_INTENT_FILTERS          = 0x00000020;
103
104    /**
105     * {@link PackageInfo} flag: return information about the
106     * signatures included in the package.
107     */
108    public static final int GET_SIGNATURES          = 0x00000040;
109
110    /**
111     * {@link ResolveInfo} flag: return the IntentFilter that
112     * was matched for a particular ResolveInfo in
113     * {@link ResolveInfo#filter}.
114     */
115    public static final int GET_RESOLVED_FILTER         = 0x00000040;
116
117    /**
118     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
119     * data {@link android.os.Bundle}s that are associated with a component.
120     * This applies for any API returning a ComponentInfo subclass.
121     */
122    public static final int GET_META_DATA               = 0x00000080;
123
124    /**
125     * {@link PackageInfo} flag: return the
126     * {@link PackageInfo#gids group ids} that are associated with an
127     * application.
128     * This applies for any API returning a PackageInfo class, either
129     * directly or nested inside of another.
130     */
131    public static final int GET_GIDS                    = 0x00000100;
132
133    /**
134     * {@link PackageInfo} flag: include disabled components in the returned info.
135     */
136    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
137
138    /**
139     * {@link ApplicationInfo} flag: return the
140     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
141     * that are associated with an application.
142     * This applies for any API returning an ApplicationInfo class, either
143     * directly or nested inside of another.
144     */
145    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
146
147    /**
148     * {@link ProviderInfo} flag: return the
149     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
150     * that are associated with a content provider.
151     * This applies for any API returning a ProviderInfo class, either
152     * directly or nested inside of another.
153     */
154    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
155    /**
156     * {@link PackageInfo} flag: return information about
157     * permissions in the package in
158     * {@link PackageInfo#permissions}.
159     */
160    public static final int GET_PERMISSIONS               = 0x00001000;
161
162    /**
163     * Flag parameter to retrieve some information about all applications (even
164     * uninstalled ones) which have data directories. This state could have
165     * resulted if applications have been deleted with flag
166     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
167     * reinstalled in future.
168     * <p>
169     * Note: this flag may cause less information about currently installed
170     * applications to be returned.
171     */
172    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
173
174    /**
175     * {@link PackageInfo} flag: return information about
176     * hardware preferences in
177     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
178     * requested features in {@link PackageInfo#reqFeatures
179     * PackageInfo.reqFeatures}.
180     */
181    public static final int GET_CONFIGURATIONS = 0x00004000;
182
183    /**
184     * {@link PackageInfo} flag: include disabled components which are in
185     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
186     * in the returned info.  Note that if you set this flag, applications
187     * that are in this disabled state will be reported as enabled.
188     */
189    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
190
191    /**
192     * Resolution and querying flag: if set, only filters that support the
193     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
194     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
195     * supplied Intent.
196     */
197    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
198
199    /**
200     * Resolution and querying flag: do not resolve intents cross-profile.
201     * @hide
202     */
203    public static final int NO_CROSS_PROFILE = 0x00020000;
204
205    /**
206     * Flag for {@link addCrossProfileIntentFilter}: if the cross-profile intent has been set by the
207     * profile owner.
208     * @hide
209     */
210    public static final int SET_BY_PROFILE_OWNER= 0x00000001;
211
212    /**
213     * Flag for {@link addCrossProfileIntentFilter}: if this flag is set:
214     * when resolving an intent that matches the {@link CrossProfileIntentFilter}, the current
215     * profile will be skipped.
216     * Only activities in the target user can respond to the intent.
217     * @hide
218     */
219    public static final int SKIP_CURRENT_PROFILE = 0x00000002;
220
221    /** @hide */
222    @IntDef({PERMISSION_GRANTED, PERMISSION_DENIED})
223    @Retention(RetentionPolicy.SOURCE)
224    public @interface PermissionResult {}
225
226    /**
227     * Permission check result: this is returned by {@link #checkPermission}
228     * if the permission has been granted to the given package.
229     */
230    public static final int PERMISSION_GRANTED = 0;
231
232    /**
233     * Permission check result: this is returned by {@link #checkPermission}
234     * if the permission has not been granted to the given package.
235     */
236    public static final int PERMISSION_DENIED = -1;
237
238    /**
239     * Signature check result: this is returned by {@link #checkSignatures}
240     * if all signatures on the two packages match.
241     */
242    public static final int SIGNATURE_MATCH = 0;
243
244    /**
245     * Signature check result: this is returned by {@link #checkSignatures}
246     * if neither of the two packages is signed.
247     */
248    public static final int SIGNATURE_NEITHER_SIGNED = 1;
249
250    /**
251     * Signature check result: this is returned by {@link #checkSignatures}
252     * if the first package is not signed but the second is.
253     */
254    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
255
256    /**
257     * Signature check result: this is returned by {@link #checkSignatures}
258     * if the second package is not signed but the first is.
259     */
260    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
261
262    /**
263     * Signature check result: this is returned by {@link #checkSignatures}
264     * if not all signatures on both packages match.
265     */
266    public static final int SIGNATURE_NO_MATCH = -3;
267
268    /**
269     * Signature check result: this is returned by {@link #checkSignatures}
270     * if either of the packages are not valid.
271     */
272    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
273
274    /**
275     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
276     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
277     * component or application is in its default enabled state (as specified
278     * in its manifest).
279     */
280    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
281
282    /**
283     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
284     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
285     * component or application has been explictily enabled, regardless of
286     * what it has specified in its manifest.
287     */
288    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
289
290    /**
291     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
292     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
293     * component or application has been explicitly disabled, regardless of
294     * what it has specified in its manifest.
295     */
296    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
297
298    /**
299     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
300     * user has explicitly disabled the application, regardless of what it has
301     * specified in its manifest.  Because this is due to the user's request,
302     * they may re-enable it if desired through the appropriate system UI.  This
303     * option currently <strong>cannot</strong> be used with
304     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
305     */
306    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
307
308    /**
309     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
310     * application should be considered, until the point where the user actually
311     * wants to use it.  This means that it will not normally show up to the user
312     * (such as in the launcher), but various parts of the user interface can
313     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
314     * the user to select it (as for example an IME, device admin, etc).  Such code,
315     * once the user has selected the app, should at that point also make it enabled.
316     * This option currently <strong>can not</strong> be used with
317     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
318     */
319    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
320
321    /**
322     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
323     * indicate that this package should be installed as forward locked, i.e. only the app itself
324     * should have access to its code and non-resource assets.
325     * @hide
326     */
327    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
328
329    /**
330     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
331     * installed package, if one exists.
332     * @hide
333     */
334    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
335
336    /**
337     * Flag parameter for {@link #installPackage} to indicate that you want to
338     * allow test packages (those that have set android:testOnly in their
339     * manifest) to be installed.
340     * @hide
341     */
342    public static final int INSTALL_ALLOW_TEST = 0x00000004;
343
344    /**
345     * Flag parameter for {@link #installPackage} to indicate that this
346     * package has to be installed on the sdcard.
347     * @hide
348     */
349    public static final int INSTALL_EXTERNAL = 0x00000008;
350
351    /**
352     * Flag parameter for {@link #installPackage} to indicate that this package
353     * has to be installed on the sdcard.
354     * @hide
355     */
356    public static final int INSTALL_INTERNAL = 0x00000010;
357
358    /**
359     * Flag parameter for {@link #installPackage} to indicate that this install
360     * was initiated via ADB.
361     *
362     * @hide
363     */
364    public static final int INSTALL_FROM_ADB = 0x00000020;
365
366    /**
367     * Flag parameter for {@link #installPackage} to indicate that this install
368     * should immediately be visible to all users.
369     *
370     * @hide
371     */
372    public static final int INSTALL_ALL_USERS = 0x00000040;
373
374    /**
375     * Flag parameter for {@link #installPackage} to indicate that it is okay
376     * to install an update to an app where the newly installed app has a lower
377     * version code than the currently installed app.
378     *
379     * @hide
380     */
381    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
382
383    /**
384     * Flag parameter for
385     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
386     * that you don't want to kill the app containing the component.  Be careful when you set this
387     * since changing component states can make the containing application's behavior unpredictable.
388     */
389    public static final int DONT_KILL_APP = 0x00000001;
390
391    /**
392     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
393     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
394     * @hide
395     */
396    @SystemApi
397    public static final int INSTALL_SUCCEEDED = 1;
398
399    /**
400     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
401     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
402     * already installed.
403     * @hide
404     */
405    @SystemApi
406    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
407
408    /**
409     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
410     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
411     * file is invalid.
412     * @hide
413     */
414    @SystemApi
415    public static final int INSTALL_FAILED_INVALID_APK = -2;
416
417    /**
418     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
419     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
420     * is invalid.
421     * @hide
422     */
423    @SystemApi
424    public static final int INSTALL_FAILED_INVALID_URI = -3;
425
426    /**
427     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
428     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
429     * service found that the device didn't have enough storage space to install the app.
430     * @hide
431     */
432    @SystemApi
433    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
434
435    /**
436     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
437     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
438     * package is already installed with the same name.
439     * @hide
440     */
441    @SystemApi
442    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
443
444    /**
445     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
446     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
447     * the requested shared user does not exist.
448     * @hide
449     */
450    @SystemApi
451    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
452
453    /**
454     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
455     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
456     * a previously installed package of the same name has a different signature
457     * than the new package (and the old package's data was not removed).
458     * @hide
459     */
460    @SystemApi
461    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
462
463    /**
464     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
465     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
466     * the new package is requested a shared user which is already installed on the
467     * device and does not have matching signature.
468     * @hide
469     */
470    @SystemApi
471    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
472
473    /**
474     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
475     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
476     * the new package uses a shared library that is not available.
477     * @hide
478     */
479    @SystemApi
480    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
481
482    /**
483     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
484     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
485     * the new package uses a shared library that is not available.
486     * @hide
487     */
488    @SystemApi
489    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
490
491    /**
492     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
493     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
494     * the new package failed while optimizing and validating its dex files,
495     * either because there was not enough storage or the validation failed.
496     * @hide
497     */
498    @SystemApi
499    public static final int INSTALL_FAILED_DEXOPT = -11;
500
501    /**
502     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
503     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
504     * the new package failed because the current SDK version is older than
505     * that required by the package.
506     * @hide
507     */
508    @SystemApi
509    public static final int INSTALL_FAILED_OLDER_SDK = -12;
510
511    /**
512     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
513     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
514     * the new package failed because it contains a content provider with the
515     * same authority as a provider already installed in the system.
516     * @hide
517     */
518    @SystemApi
519    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
520
521    /**
522     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
523     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
524     * the new package failed because the current SDK version is newer than
525     * that required by the package.
526     * @hide
527     */
528    @SystemApi
529    public static final int INSTALL_FAILED_NEWER_SDK = -14;
530
531    /**
532     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
533     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
534     * the new package failed because it has specified that it is a test-only
535     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
536     * flag.
537     * @hide
538     */
539    @SystemApi
540    public static final int INSTALL_FAILED_TEST_ONLY = -15;
541
542    /**
543     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
544     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
545     * the package being installed contains native code, but none that is
546     * compatible with the device's CPU_ABI.
547     * @hide
548     */
549    @SystemApi
550    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
551
552    /**
553     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
554     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
555     * the new package uses a feature that is not available.
556     * @hide
557     */
558    @SystemApi
559    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
560
561    // ------ Errors related to sdcard
562    /**
563     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
564     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
565     * a secure container mount point couldn't be accessed on external media.
566     * @hide
567     */
568    @SystemApi
569    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
570
571    /**
572     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
573     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
574     * the new package couldn't be installed in the specified install
575     * location.
576     * @hide
577     */
578    @SystemApi
579    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
580
581    /**
582     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
583     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
584     * the new package couldn't be installed in the specified install
585     * location because the media is not available.
586     * @hide
587     */
588    @SystemApi
589    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
590
591    /**
592     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
593     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
594     * the new package couldn't be installed because the verification timed out.
595     * @hide
596     */
597    @SystemApi
598    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
599
600    /**
601     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
602     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
603     * the new package couldn't be installed because the verification did not succeed.
604     * @hide
605     */
606    @SystemApi
607    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
608
609    /**
610     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
611     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
612     * the package changed from what the calling program expected.
613     * @hide
614     */
615    @SystemApi
616    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
617
618    /**
619     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
620     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
621     * the new package is assigned a different UID than it previously held.
622     * @hide
623     */
624    public static final int INSTALL_FAILED_UID_CHANGED = -24;
625
626    /**
627     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
628     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
629     * the new package has an older version code than the currently installed package.
630     * @hide
631     */
632    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
633
634    /**
635     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
636     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
637     * if the parser was given a path that is not a file, or does not end with the expected
638     * '.apk' extension.
639     * @hide
640     */
641    @SystemApi
642    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
643
644    /**
645     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
646     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
647     * if the parser was unable to retrieve the AndroidManifest.xml file.
648     * @hide
649     */
650    @SystemApi
651    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
652
653    /**
654     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
655     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
656     * if the parser encountered an unexpected exception.
657     * @hide
658     */
659    @SystemApi
660    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
661
662    /**
663     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
664     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
665     * if the parser did not find any certificates in the .apk.
666     * @hide
667     */
668    @SystemApi
669    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
670
671    /**
672     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
673     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
674     * if the parser found inconsistent certificates on the files in the .apk.
675     * @hide
676     */
677    @SystemApi
678    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
679
680    /**
681     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
682     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
683     * if the parser encountered a CertificateEncodingException in one of the
684     * files in the .apk.
685     * @hide
686     */
687    @SystemApi
688    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
689
690    /**
691     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
692     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
693     * if the parser encountered a bad or missing package name in the manifest.
694     * @hide
695     */
696    @SystemApi
697    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
698
699    /**
700     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
701     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
702     * if the parser encountered a bad shared user id name in the manifest.
703     * @hide
704     */
705    @SystemApi
706    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
707
708    /**
709     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
710     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
711     * if the parser encountered some structural problem in the manifest.
712     * @hide
713     */
714    @SystemApi
715    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
716
717    /**
718     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
719     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
720     * if the parser did not find any actionable tags (instrumentation or application)
721     * in the manifest.
722     * @hide
723     */
724    @SystemApi
725    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
726
727    /**
728     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
729     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
730     * if the system failed to install the package because of system issues.
731     * @hide
732     */
733    @SystemApi
734    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
735
736    /**
737     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
738     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
739     * if the system failed to install the package because the user is restricted from installing
740     * apps.
741     * @hide
742     */
743    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
744
745    /**
746     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
747     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
748     * if the system failed to install the package because it is attempting to define a
749     * permission that is already defined by some existing package.
750     *
751     * <p>The package name of the app which has already defined the permission is passed to
752     * a {@link PackageInstallObserver}, if any, as the {@link #EXTRA_EXISTING_PACKAGE}
753     * string extra; and the name of the permission being redefined is passed in the
754     * {@link #EXTRA_EXISTING_PERMISSION} string extra.
755     * @hide
756     */
757    public static final int INSTALL_FAILED_DUPLICATE_PERMISSION = -112;
758
759    /**
760     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
761     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
762     * if the system failed to install the package because its packaged native code did not
763     * match any of the ABIs supported by the system.
764     *
765     * @hide
766     */
767    public static final int INSTALL_FAILED_NO_MATCHING_ABIS = -113;
768
769    /**
770     * Internal return code for NativeLibraryHelper methods to indicate that the package
771     * being processed did not contain any native code. This is placed here only so that
772     * it can belong to the same value space as the other install failure codes.
773     *
774     * @hide
775     */
776    public static final int NO_NATIVE_LIBRARIES = -114;
777
778    /**
779     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
780     * package's data directory.
781     *
782     * @hide
783     */
784    public static final int DELETE_KEEP_DATA = 0x00000001;
785
786    /**
787     * Flag parameter for {@link #deletePackage} to indicate that you want the
788     * package deleted for all users.
789     *
790     * @hide
791     */
792    public static final int DELETE_ALL_USERS = 0x00000002;
793
794    /**
795     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
796     * uninstall on a system that has been updated, then don't do the normal process
797     * of uninstalling the update and rolling back to the older system version (which
798     * needs to happen for all users); instead, just mark the app as uninstalled for
799     * the current user.
800     *
801     * @hide
802     */
803    public static final int DELETE_SYSTEM_APP = 0x00000004;
804
805    /**
806     * Return code for when package deletion succeeds. This is passed to the
807     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
808     * succeeded in deleting the package.
809     *
810     * @hide
811     */
812    public static final int DELETE_SUCCEEDED = 1;
813
814    /**
815     * Deletion failed return code: this is passed to the
816     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
817     * failed to delete the package for an unspecified reason.
818     *
819     * @hide
820     */
821    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
822
823    /**
824     * Deletion failed return code: this is passed to the
825     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
826     * failed to delete the package because it is the active DevicePolicy
827     * manager.
828     *
829     * @hide
830     */
831    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
832
833    /**
834     * Deletion failed return code: this is passed to the
835     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
836     * failed to delete the package since the user is restricted.
837     *
838     * @hide
839     */
840    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
841
842    /**
843     * Deletion failed return code: this is passed to the
844     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
845     * failed to delete the package because a profile
846     * or device owner has marked the package as uninstallable.
847     *
848     * @hide
849     */
850    public static final int DELETE_FAILED_OWNER_BLOCKED= -4;
851
852    /**
853     * Return code that is passed to the {@link IPackageMoveObserver} by
854     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
855     * package has been successfully moved by the system.
856     *
857     * @hide
858     */
859    public static final int MOVE_SUCCEEDED = 1;
860    /**
861     * Error code that is passed to the {@link IPackageMoveObserver} by
862     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
863     * when the package hasn't been successfully moved by the system
864     * because of insufficient memory on specified media.
865     * @hide
866     */
867    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
868
869    /**
870     * Error code that is passed to the {@link IPackageMoveObserver} by
871     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
872     * if the specified package doesn't exist.
873     * @hide
874     */
875    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
876
877    /**
878     * Error code that is passed to the {@link IPackageMoveObserver} by
879     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
880     * if the specified package cannot be moved since its a system package.
881     * @hide
882     */
883    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
884
885    /**
886     * Error code that is passed to the {@link IPackageMoveObserver} by
887     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
888     * if the specified package cannot be moved since its forward locked.
889     * @hide
890     */
891    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
892
893    /**
894     * Error code that is passed to the {@link IPackageMoveObserver} by
895     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
896     * if the specified package cannot be moved to the specified location.
897     * @hide
898     */
899    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
900
901    /**
902     * Error code that is passed to the {@link IPackageMoveObserver} by
903     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
904     * if the specified package cannot be moved to the specified location.
905     * @hide
906     */
907    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
908
909    /**
910     * Error code that is passed to the {@link IPackageMoveObserver} by
911     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
912     * specified package already has an operation pending in the
913     * {@link PackageHandler} queue.
914     *
915     * @hide
916     */
917    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
918
919    /**
920     * Flag parameter for {@link #movePackage} to indicate that
921     * the package should be moved to internal storage if its
922     * been installed on external media.
923     * @hide
924     */
925    public static final int MOVE_INTERNAL = 0x00000001;
926
927    /**
928     * Flag parameter for {@link #movePackage} to indicate that
929     * the package should be moved to external media.
930     * @hide
931     */
932    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
933
934    /**
935     * Usable by the required verifier as the {@code verificationCode} argument
936     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
937     * allow the installation to proceed without any of the optional verifiers
938     * needing to vote.
939     *
940     * @hide
941     */
942    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
943
944    /**
945     * Used as the {@code verificationCode} argument for
946     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
947     * package verifier allows the installation to proceed.
948     */
949    public static final int VERIFICATION_ALLOW = 1;
950
951    /**
952     * Used as the {@code verificationCode} argument for
953     * {@link PackageManager#verifyPendingInstall} to indicate the calling
954     * package verifier does not vote to allow the installation to proceed.
955     */
956    public static final int VERIFICATION_REJECT = -1;
957
958    /**
959     * Can be used as the {@code millisecondsToDelay} argument for
960     * {@link PackageManager#extendVerificationTimeout}. This is the
961     * maximum time {@code PackageManager} waits for the verification
962     * agent to return (in milliseconds).
963     */
964    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
965
966    /**
967     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
968     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
969     * lag in sound input or output.
970     */
971    @SdkConstant(SdkConstantType.FEATURE)
972    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
973
974    /**
975     * Feature for {@link #getSystemAvailableFeatures} and
976     * {@link #hasSystemFeature}: The device is capable of communicating with
977     * other devices via Bluetooth.
978     */
979    @SdkConstant(SdkConstantType.FEATURE)
980    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
981
982    /**
983     * Feature for {@link #getSystemAvailableFeatures} and
984     * {@link #hasSystemFeature}: The device is capable of communicating with
985     * other devices via Bluetooth Low Energy radio.
986     */
987    @SdkConstant(SdkConstantType.FEATURE)
988    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
989
990    /**
991     * Feature for {@link #getSystemAvailableFeatures} and
992     * {@link #hasSystemFeature}: The device has a camera facing away
993     * from the screen.
994     */
995    @SdkConstant(SdkConstantType.FEATURE)
996    public static final String FEATURE_CAMERA = "android.hardware.camera";
997
998    /**
999     * Feature for {@link #getSystemAvailableFeatures} and
1000     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
1001     */
1002    @SdkConstant(SdkConstantType.FEATURE)
1003    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
1004
1005    /**
1006     * Feature for {@link #getSystemAvailableFeatures} and
1007     * {@link #hasSystemFeature}: The device has at least one camera pointing in
1008     * some direction, or can support an external camera being connected to it.
1009     */
1010    @SdkConstant(SdkConstantType.FEATURE)
1011    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
1012
1013    /**
1014     * Feature for {@link #getSystemAvailableFeatures} and
1015     * {@link #hasSystemFeature}: The device can support having an external camera connected to it.
1016     * The external camera may not always be connected or available to applications to use.
1017     */
1018    @SdkConstant(SdkConstantType.FEATURE)
1019    public static final String FEATURE_CAMERA_EXTERNAL = "android.hardware.camera.external";
1020
1021    /**
1022     * Feature for {@link #getSystemAvailableFeatures} and
1023     * {@link #hasSystemFeature}: The device's camera supports flash.
1024     */
1025    @SdkConstant(SdkConstantType.FEATURE)
1026    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
1027
1028    /**
1029     * Feature for {@link #getSystemAvailableFeatures} and
1030     * {@link #hasSystemFeature}: The device has a front facing camera.
1031     */
1032    @SdkConstant(SdkConstantType.FEATURE)
1033    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
1034
1035    /**
1036     * Feature for {@link #getSystemAvailableFeatures} and
1037     * {@link #hasSystemFeature}: The device is capable of communicating with
1038     * consumer IR devices.
1039     */
1040    @SdkConstant(SdkConstantType.FEATURE)
1041    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
1042
1043    /**
1044     * Feature for {@link #getSystemAvailableFeatures} and
1045     * {@link #hasSystemFeature}: The device supports one or more methods of
1046     * reporting current location.
1047     */
1048    @SdkConstant(SdkConstantType.FEATURE)
1049    public static final String FEATURE_LOCATION = "android.hardware.location";
1050
1051    /**
1052     * Feature for {@link #getSystemAvailableFeatures} and
1053     * {@link #hasSystemFeature}: The device has a Global Positioning System
1054     * receiver and can report precise location.
1055     */
1056    @SdkConstant(SdkConstantType.FEATURE)
1057    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
1058
1059    /**
1060     * Feature for {@link #getSystemAvailableFeatures} and
1061     * {@link #hasSystemFeature}: The device can report location with coarse
1062     * accuracy using a network-based geolocation system.
1063     */
1064    @SdkConstant(SdkConstantType.FEATURE)
1065    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
1066
1067    /**
1068     * Feature for {@link #getSystemAvailableFeatures} and
1069     * {@link #hasSystemFeature}: The device can record audio via a
1070     * microphone.
1071     */
1072    @SdkConstant(SdkConstantType.FEATURE)
1073    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
1074
1075    /**
1076     * Feature for {@link #getSystemAvailableFeatures} and
1077     * {@link #hasSystemFeature}: The device can communicate using Near-Field
1078     * Communications (NFC).
1079     */
1080    @SdkConstant(SdkConstantType.FEATURE)
1081    public static final String FEATURE_NFC = "android.hardware.nfc";
1082
1083    /**
1084     * Feature for {@link #getSystemAvailableFeatures} and
1085     * {@link #hasSystemFeature}: The device supports host-
1086     * based NFC card emulation.
1087     *
1088     * TODO remove when depending apps have moved to new constant.
1089     * @hide
1090     * @deprecated
1091     */
1092    @Deprecated
1093    @SdkConstant(SdkConstantType.FEATURE)
1094    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
1095
1096    /**
1097     * Feature for {@link #getSystemAvailableFeatures} and
1098     * {@link #hasSystemFeature}: The device supports host-
1099     * based NFC card emulation.
1100     */
1101    @SdkConstant(SdkConstantType.FEATURE)
1102    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1103
1104    /**
1105     * Feature for {@link #getSystemAvailableFeatures} and
1106     * {@link #hasSystemFeature}: The device includes an accelerometer.
1107     */
1108    @SdkConstant(SdkConstantType.FEATURE)
1109    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1110
1111    /**
1112     * Feature for {@link #getSystemAvailableFeatures} and
1113     * {@link #hasSystemFeature}: The device includes a barometer (air
1114     * pressure sensor.)
1115     */
1116    @SdkConstant(SdkConstantType.FEATURE)
1117    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1118
1119    /**
1120     * Feature for {@link #getSystemAvailableFeatures} and
1121     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1122     */
1123    @SdkConstant(SdkConstantType.FEATURE)
1124    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1125
1126    /**
1127     * Feature for {@link #getSystemAvailableFeatures} and
1128     * {@link #hasSystemFeature}: The device includes a gyroscope.
1129     */
1130    @SdkConstant(SdkConstantType.FEATURE)
1131    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1132
1133    /**
1134     * Feature for {@link #getSystemAvailableFeatures} and
1135     * {@link #hasSystemFeature}: The device includes a light sensor.
1136     */
1137    @SdkConstant(SdkConstantType.FEATURE)
1138    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1139
1140    /**
1141     * Feature for {@link #getSystemAvailableFeatures} and
1142     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1143     */
1144    @SdkConstant(SdkConstantType.FEATURE)
1145    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1146
1147    /**
1148     * Feature for {@link #getSystemAvailableFeatures} and
1149     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1150     */
1151    @SdkConstant(SdkConstantType.FEATURE)
1152    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1153
1154    /**
1155     * Feature for {@link #getSystemAvailableFeatures} and
1156     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1157     */
1158    @SdkConstant(SdkConstantType.FEATURE)
1159    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1160
1161    /**
1162     * Feature for {@link #getSystemAvailableFeatures} and
1163     * {@link #hasSystemFeature}: The device includes a heart rate monitor.
1164     */
1165    @SdkConstant(SdkConstantType.FEATURE)
1166    public static final String FEATURE_SENSOR_HEART_RATE = "android.hardware.sensor.heartrate";
1167
1168    /**
1169     * Feature for {@link #getSystemAvailableFeatures} and
1170     * {@link #hasSystemFeature}: The device includes a relative humidity sensor.
1171     */
1172    @SdkConstant(SdkConstantType.FEATURE)
1173    public static final String FEATURE_SENSOR_RELATIVE_HUMIDITY =
1174            "android.hardware.sensor.relative_humidity";
1175
1176    /**
1177     * Feature for {@link #getSystemAvailableFeatures} and
1178     * {@link #hasSystemFeature}: The device includes an ambient temperature sensor.
1179     */
1180    @SdkConstant(SdkConstantType.FEATURE)
1181    public static final String FEATURE_SENSOR_AMBIENT_TEMPERATURE =
1182            "android.hardware.sensor.ambient_temperature";
1183
1184    /**
1185     * Feature for {@link #getSystemAvailableFeatures} and
1186     * {@link #hasSystemFeature}: The device has a telephony radio with data
1187     * communication support.
1188     */
1189    @SdkConstant(SdkConstantType.FEATURE)
1190    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1191
1192    /**
1193     * Feature for {@link #getSystemAvailableFeatures} and
1194     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1195     */
1196    @SdkConstant(SdkConstantType.FEATURE)
1197    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1198
1199    /**
1200     * Feature for {@link #getSystemAvailableFeatures} and
1201     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1202     */
1203    @SdkConstant(SdkConstantType.FEATURE)
1204    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1205
1206    /**
1207     * Feature for {@link #getSystemAvailableFeatures} and
1208     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1209     * as the USB host.
1210     */
1211    @SdkConstant(SdkConstantType.FEATURE)
1212    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1213
1214    /**
1215     * Feature for {@link #getSystemAvailableFeatures} and
1216     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1217     */
1218    @SdkConstant(SdkConstantType.FEATURE)
1219    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1220
1221    /**
1222     * Feature for {@link #getSystemAvailableFeatures} and
1223     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1224     */
1225    @SdkConstant(SdkConstantType.FEATURE)
1226    public static final String FEATURE_SIP = "android.software.sip";
1227
1228    /**
1229     * Feature for {@link #getSystemAvailableFeatures} and
1230     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1231     */
1232    @SdkConstant(SdkConstantType.FEATURE)
1233    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1234
1235    /**
1236     * Feature for {@link #getSystemAvailableFeatures} and
1237     * {@link #hasSystemFeature}: The device's display has a touch screen.
1238     */
1239    @SdkConstant(SdkConstantType.FEATURE)
1240    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1241
1242
1243    /**
1244     * Feature for {@link #getSystemAvailableFeatures} and
1245     * {@link #hasSystemFeature}: The device's touch screen supports
1246     * multitouch sufficient for basic two-finger gesture detection.
1247     */
1248    @SdkConstant(SdkConstantType.FEATURE)
1249    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1250
1251    /**
1252     * Feature for {@link #getSystemAvailableFeatures} and
1253     * {@link #hasSystemFeature}: The device's touch screen is capable of
1254     * tracking two or more fingers fully independently.
1255     */
1256    @SdkConstant(SdkConstantType.FEATURE)
1257    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1258
1259    /**
1260     * Feature for {@link #getSystemAvailableFeatures} and
1261     * {@link #hasSystemFeature}: The device's touch screen is capable of
1262     * tracking a full hand of fingers fully independently -- that is, 5 or
1263     * more simultaneous independent pointers.
1264     */
1265    @SdkConstant(SdkConstantType.FEATURE)
1266    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1267
1268    /**
1269     * Feature for {@link #getSystemAvailableFeatures} and
1270     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1271     * does support touch emulation for basic events. For instance, the
1272     * device might use a mouse or remote control to drive a cursor, and
1273     * emulate basic touch pointer events like down, up, drag, etc. All
1274     * devices that support android.hardware.touchscreen or a sub-feature are
1275     * presumed to also support faketouch.
1276     */
1277    @SdkConstant(SdkConstantType.FEATURE)
1278    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1279
1280    /**
1281     * Feature for {@link #getSystemAvailableFeatures} and
1282     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1283     * does support touch emulation for basic events that supports distinct
1284     * tracking of two or more fingers.  This is an extension of
1285     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1286     * that unlike a distinct multitouch screen as defined by
1287     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1288     * devices will not actually provide full two-finger gestures since the
1289     * input is being transformed to cursor movement on the screen.  That is,
1290     * single finger gestures will move a cursor; two-finger swipes will
1291     * result in single-finger touch events; other two-finger gestures will
1292     * result in the corresponding two-finger touch event.
1293     */
1294    @SdkConstant(SdkConstantType.FEATURE)
1295    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1296
1297    /**
1298     * Feature for {@link #getSystemAvailableFeatures} and
1299     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1300     * does support touch emulation for basic events that supports tracking
1301     * a hand of fingers (5 or more fingers) fully independently.
1302     * This is an extension of
1303     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1304     * that unlike a multitouch screen as defined by
1305     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1306     * gestures can be detected due to the limitations described for
1307     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1308     */
1309    @SdkConstant(SdkConstantType.FEATURE)
1310    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1311
1312    /**
1313     * Feature for {@link #getSystemAvailableFeatures} and
1314     * {@link #hasSystemFeature}: The device supports portrait orientation
1315     * screens.  For backwards compatibility, you can assume that if neither
1316     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1317     * both portrait and landscape.
1318     */
1319    @SdkConstant(SdkConstantType.FEATURE)
1320    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1321
1322    /**
1323     * Feature for {@link #getSystemAvailableFeatures} and
1324     * {@link #hasSystemFeature}: The device supports landscape orientation
1325     * screens.  For backwards compatibility, you can assume that if neither
1326     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1327     * both portrait and landscape.
1328     */
1329    @SdkConstant(SdkConstantType.FEATURE)
1330    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1331
1332    /**
1333     * Feature for {@link #getSystemAvailableFeatures} and
1334     * {@link #hasSystemFeature}: The device supports live wallpapers.
1335     */
1336    @SdkConstant(SdkConstantType.FEATURE)
1337    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1338    /**
1339     * Feature for {@link #getSystemAvailableFeatures} and
1340     * {@link #hasSystemFeature}: The device supports app widgets.
1341     */
1342    @SdkConstant(SdkConstantType.FEATURE)
1343    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1344
1345    /**
1346     * @hide
1347     * Feature for {@link #getSystemAvailableFeatures} and
1348     * {@link #hasSystemFeature}: The device supports
1349     * {@link android.service.voice.VoiceInteractionService} and
1350     * {@link android.app.VoiceInteractor}.
1351     */
1352    @SdkConstant(SdkConstantType.FEATURE)
1353    public static final String FEATURE_VOICE_RECOGNIZERS = "android.software.voice_recognizers";
1354
1355
1356    /**
1357     * Feature for {@link #getSystemAvailableFeatures} and
1358     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1359     * by third party applications.
1360     */
1361    @SdkConstant(SdkConstantType.FEATURE)
1362    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1363
1364    /**
1365     * Feature for {@link #getSystemAvailableFeatures} and
1366     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1367     * with the {@link android.inputmethodservice.InputMethodService} API.
1368     */
1369    @SdkConstant(SdkConstantType.FEATURE)
1370    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1371
1372    /**
1373     * Feature for {@link #getSystemAvailableFeatures} and
1374     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1375     */
1376    @SdkConstant(SdkConstantType.FEATURE)
1377    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1378
1379    /**
1380     * Feature for {@link #getSystemAvailableFeatures} and
1381     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1382     * typically used in a living room television experience, but is a software
1383     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1384     * feature will use resources associated with the "television" UI mode.
1385     */
1386    @SdkConstant(SdkConstantType.FEATURE)
1387    public static final String FEATURE_LEANBACK = "android.software.leanback";
1388
1389    /**
1390     * Feature for {@link #getSystemAvailableFeatures} and
1391     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1392     * applications designed for this experience should be run, though this is
1393     * not enforced by the system.
1394     * @hide
1395     */
1396    @SdkConstant(SdkConstantType.FEATURE)
1397    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1398
1399    /**
1400     * Feature for {@link #getSystemAvailableFeatures} and
1401     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1402     */
1403    @SdkConstant(SdkConstantType.FEATURE)
1404    public static final String FEATURE_WIFI = "android.hardware.wifi";
1405
1406    /**
1407     * Feature for {@link #getSystemAvailableFeatures} and
1408     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1409     */
1410    @SdkConstant(SdkConstantType.FEATURE)
1411    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1412
1413    /**
1414     * Feature for {@link #getSystemAvailableFeatures} and
1415     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1416     * on a television.  Television here is defined to be a typical living
1417     * room television experience: displayed on a big screen, where the user
1418     * is sitting far away from it, and the dominant form of input will be
1419     * something like a DPAD, not through touch or mouse.
1420     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1421     */
1422    @Deprecated
1423    @SdkConstant(SdkConstantType.FEATURE)
1424    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1425
1426    /**
1427     * Feature for {@link #getSystemAvailableFeatures} and
1428     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1429     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1430     * the wrist. The user is very close when interacting with the device.
1431     */
1432    @SdkConstant(SdkConstantType.FEATURE)
1433    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1434
1435    /**
1436     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1437     * The device supports printing.
1438     */
1439    @SdkConstant(SdkConstantType.FEATURE)
1440    public static final String FEATURE_PRINTING = "android.software.print";
1441
1442    /**
1443     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1444     * The device can perform backup and restore operations on installed applications.
1445     */
1446    @SdkConstant(SdkConstantType.FEATURE)
1447    public static final String FEATURE_BACKUP = "android.software.backup";
1448
1449    /**
1450     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1451     * The device supports managed profiles for enterprise users.
1452     */
1453    @SdkConstant(SdkConstantType.FEATURE)
1454    public static final String FEATURE_MANAGED_PROFILES = "android.software.managed_profiles";
1455
1456    /**
1457     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1458     * The device has a full implementation of the android.webkit.* APIs. Devices
1459     * lacking this feature will not have a functioning WebView implementation.
1460     */
1461    @SdkConstant(SdkConstantType.FEATURE)
1462    public static final String FEATURE_WEBVIEW = "android.software.webview";
1463
1464    /**
1465     * Feature for {@link #getSystemAvailableFeatures} and
1466     * {@link #hasSystemFeature}: This device supports ethernet.
1467     * @hide
1468     */
1469    @SdkConstant(SdkConstantType.FEATURE)
1470    public static final String FEATURE_ETHERNET = "android.hardware.ethernet";
1471
1472    /**
1473     * Feature for {@link #getSystemAvailableFeatures} and
1474     * {@link #hasSystemFeature}: This device supports HDMI-CEC.
1475     * @hide
1476     */
1477    @SdkConstant(SdkConstantType.FEATURE)
1478    public static final String FEATURE_HDMI_CEC = "android.hardware.hdmi.cec";
1479
1480    /**
1481     * Action to external storage service to clean out removed apps.
1482     * @hide
1483     */
1484    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1485            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1486
1487    /**
1488     * Extra field name for the URI to a verification file. Passed to a package
1489     * verifier.
1490     *
1491     * @hide
1492     */
1493    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1494
1495    /**
1496     * Extra field name for the ID of a package pending verification. Passed to
1497     * a package verifier and is used to call back to
1498     * {@link PackageManager#verifyPendingInstall(int, int)}
1499     */
1500    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1501
1502    /**
1503     * Extra field name for the package identifier which is trying to install
1504     * the package.
1505     *
1506     * @hide
1507     */
1508    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1509            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1510
1511    /**
1512     * Extra field name for the requested install flags for a package pending
1513     * verification. Passed to a package verifier.
1514     *
1515     * @hide
1516     */
1517    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1518            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1519
1520    /**
1521     * Extra field name for the uid of who is requesting to install
1522     * the package.
1523     *
1524     * @hide
1525     */
1526    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1527            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1528
1529    /**
1530     * Extra field name for the package name of a package pending verification.
1531     *
1532     * @hide
1533     */
1534    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1535            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1536    /**
1537     * Extra field name for the result of a verification, either
1538     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1539     * Passed to package verifiers after a package is verified.
1540     */
1541    public static final String EXTRA_VERIFICATION_RESULT
1542            = "android.content.pm.extra.VERIFICATION_RESULT";
1543
1544    /**
1545     * Extra field name for the version code of a package pending verification.
1546     *
1547     * @hide
1548     */
1549    public static final String EXTRA_VERIFICATION_VERSION_CODE
1550            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1551
1552    /**
1553     * The action used to request that the user approve a permission request
1554     * from the application.
1555     *
1556     * @hide
1557     */
1558    public static final String ACTION_REQUEST_PERMISSION
1559            = "android.content.pm.action.REQUEST_PERMISSION";
1560
1561    /**
1562     * Extra field name for the list of permissions, which the user must approve.
1563     *
1564     * @hide
1565     */
1566    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1567            = "android.content.pm.extra.PERMISSION_LIST";
1568
1569    /**
1570     * String extra for {@link PackageInstallObserver} in the 'extras' Bundle in case of
1571     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the package which provides
1572     * the existing definition for the permission.
1573     * @hide
1574     */
1575    public static final String EXTRA_FAILURE_EXISTING_PACKAGE
1576            = "android.content.pm.extra.FAILURE_EXISTING_PACKAGE";
1577
1578    /**
1579     * String extra for {@link PackageInstallObserver} in the 'extras' Bundle in case of
1580     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the permission that is
1581     * being redundantly defined by the package being installed.
1582     * @hide
1583     */
1584    public static final String EXTRA_FAILURE_EXISTING_PERMISSION
1585            = "android.content.pm.extra.FAILURE_EXISTING_PERMISSION";
1586
1587    /**
1588     * Retrieve overall information about an application package that is
1589     * installed on the system.
1590     * <p>
1591     * Throws {@link NameNotFoundException} if a package with the given name can
1592     * not be found on the system.
1593     *
1594     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1595     *            desired package.
1596     * @param flags Additional option flags. Use any combination of
1597     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1598     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1599     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1600     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1601     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1602     *            modify the data returned.
1603     * @return Returns a PackageInfo object containing information about the
1604     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1605     *         package is not found in the list of installed applications, the
1606     *         package information is retrieved from the list of uninstalled
1607     *         applications (which includes installed applications as well as
1608     *         applications with data directory i.e. applications which had been
1609     *         deleted with {@code DONT_DELETE_DATA} flag set).
1610     * @see #GET_ACTIVITIES
1611     * @see #GET_GIDS
1612     * @see #GET_CONFIGURATIONS
1613     * @see #GET_INSTRUMENTATION
1614     * @see #GET_PERMISSIONS
1615     * @see #GET_PROVIDERS
1616     * @see #GET_RECEIVERS
1617     * @see #GET_SERVICES
1618     * @see #GET_SIGNATURES
1619     * @see #GET_UNINSTALLED_PACKAGES
1620     */
1621    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1622            throws NameNotFoundException;
1623
1624    /**
1625     * Map from the current package names in use on the device to whatever
1626     * the current canonical name of that package is.
1627     * @param names Array of current names to be mapped.
1628     * @return Returns an array of the same size as the original, containing
1629     * the canonical name for each package.
1630     */
1631    public abstract String[] currentToCanonicalPackageNames(String[] names);
1632
1633    /**
1634     * Map from a packages canonical name to the current name in use on the device.
1635     * @param names Array of new names to be mapped.
1636     * @return Returns an array of the same size as the original, containing
1637     * the current name for each package.
1638     */
1639    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1640
1641    /**
1642     * Returns a "good" intent to launch a front-door activity in a package.
1643     * This is used, for example, to implement an "open" button when browsing
1644     * through packages.  The current implementation looks first for a main
1645     * activity in the category {@link Intent#CATEGORY_INFO}, and next for a
1646     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}. Returns
1647     * <code>null</code> if neither are found.
1648     *
1649     * @param packageName The name of the package to inspect.
1650     *
1651     * @return A fully-qualified {@link Intent} that can be used to launch the
1652     * main activity in the package. Returns <code>null</code> if the package
1653     * does not contain such an activity, or if <em>packageName</em> is not
1654     * recognized.
1655     */
1656    public abstract Intent getLaunchIntentForPackage(String packageName);
1657
1658    /**
1659     * Return a "good" intent to launch a front-door Leanback activity in a
1660     * package, for use for example to implement an "open" button when browsing
1661     * through packages. The current implementation will look for a main
1662     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1663     * return null if no main leanback activities are found.
1664     * <p>
1665     * Throws {@link NameNotFoundException} if a package with the given name
1666     * cannot be found on the system.
1667     *
1668     * @param packageName The name of the package to inspect.
1669     * @return Returns either a fully-qualified Intent that can be used to launch
1670     *         the main Leanback activity in the package, or null if the package
1671     *         does not contain such an activity.
1672     */
1673    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1674
1675    /**
1676     * Return an array of all of the secondary group-ids that have been assigned
1677     * to a package.
1678     * <p>
1679     * Throws {@link NameNotFoundException} if a package with the given name
1680     * cannot be found on the system.
1681     *
1682     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1683     *            desired package.
1684     * @return Returns an int array of the assigned gids, or null if there are
1685     *         none.
1686     */
1687    public abstract int[] getPackageGids(String packageName)
1688            throws NameNotFoundException;
1689
1690    /**
1691     * @hide Return the uid associated with the given package name for the
1692     * given user.
1693     *
1694     * <p>Throws {@link NameNotFoundException} if a package with the given
1695     * name can not be found on the system.
1696     *
1697     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1698     *                    desired package.
1699     * @param userHandle The user handle identifier to look up the package under.
1700     *
1701     * @return Returns an integer uid who owns the given package name.
1702     */
1703    public abstract int getPackageUid(String packageName, int userHandle)
1704            throws NameNotFoundException;
1705
1706    /**
1707     * Retrieve all of the information we know about a particular permission.
1708     *
1709     * <p>Throws {@link NameNotFoundException} if a permission with the given
1710     * name cannot be found on the system.
1711     *
1712     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1713     *             of the permission you are interested in.
1714     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1715     * retrieve any meta-data associated with the permission.
1716     *
1717     * @return Returns a {@link PermissionInfo} containing information about the
1718     *         permission.
1719     */
1720    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1721            throws NameNotFoundException;
1722
1723    /**
1724     * Query for all of the permissions associated with a particular group.
1725     *
1726     * <p>Throws {@link NameNotFoundException} if the given group does not
1727     * exist.
1728     *
1729     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1730     *             of the permission group you are interested in.  Use null to
1731     *             find all of the permissions not associated with a group.
1732     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1733     * retrieve any meta-data associated with the permissions.
1734     *
1735     * @return Returns a list of {@link PermissionInfo} containing information
1736     * about all of the permissions in the given group.
1737     */
1738    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1739            int flags) throws NameNotFoundException;
1740
1741    /**
1742     * Retrieve all of the information we know about a particular group of
1743     * permissions.
1744     *
1745     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1746     * name cannot be found on the system.
1747     *
1748     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1749     *             of the permission you are interested in.
1750     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1751     * retrieve any meta-data associated with the permission group.
1752     *
1753     * @return Returns a {@link PermissionGroupInfo} containing information
1754     * about the permission.
1755     */
1756    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1757            int flags) throws NameNotFoundException;
1758
1759    /**
1760     * Retrieve all of the known permission groups in the system.
1761     *
1762     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1763     * retrieve any meta-data associated with the permission group.
1764     *
1765     * @return Returns a list of {@link PermissionGroupInfo} containing
1766     * information about all of the known permission groups.
1767     */
1768    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1769
1770    /**
1771     * Retrieve all of the information we know about a particular
1772     * package/application.
1773     *
1774     * <p>Throws {@link NameNotFoundException} if an application with the given
1775     * package name cannot be found on the system.
1776     *
1777     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1778     *                    application.
1779     * @param flags Additional option flags. Use any combination of
1780     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1781     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1782     *
1783     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1784     *         information about the package.
1785     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1786     *         found in the list of installed applications,
1787     *         the application information is retrieved from the
1788     *         list of uninstalled applications(which includes
1789     *         installed applications as well as applications
1790     *         with data directory ie applications which had been
1791     *         deleted with {@code DONT_DELETE_DATA} flag set).
1792     *
1793     * @see #GET_META_DATA
1794     * @see #GET_SHARED_LIBRARY_FILES
1795     * @see #GET_UNINSTALLED_PACKAGES
1796     */
1797    public abstract ApplicationInfo getApplicationInfo(String packageName,
1798            int flags) throws NameNotFoundException;
1799
1800    /**
1801     * Retrieve all of the information we know about a particular activity
1802     * class.
1803     *
1804     * <p>Throws {@link NameNotFoundException} if an activity with the given
1805     * class name cannot be found on the system.
1806     *
1807     * @param component The full component name (i.e.
1808     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1809     * class.
1810     * @param flags Additional option flags. Use any combination of
1811     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1812     * to modify the data (in ApplicationInfo) returned.
1813     *
1814     * @return {@link ActivityInfo} containing information about the activity.
1815     *
1816     * @see #GET_INTENT_FILTERS
1817     * @see #GET_META_DATA
1818     * @see #GET_SHARED_LIBRARY_FILES
1819     */
1820    public abstract ActivityInfo getActivityInfo(ComponentName component,
1821            int flags) throws NameNotFoundException;
1822
1823    /**
1824     * Retrieve all of the information we know about a particular receiver
1825     * class.
1826     *
1827     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1828     * class name cannot be found on the system.
1829     *
1830     * @param component The full component name (i.e.
1831     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1832     * class.
1833     * @param flags Additional option flags.  Use any combination of
1834     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1835     * to modify the data returned.
1836     *
1837     * @return {@link ActivityInfo} containing information about the receiver.
1838     *
1839     * @see #GET_INTENT_FILTERS
1840     * @see #GET_META_DATA
1841     * @see #GET_SHARED_LIBRARY_FILES
1842     */
1843    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1844            int flags) throws NameNotFoundException;
1845
1846    /**
1847     * Retrieve all of the information we know about a particular service
1848     * class.
1849     *
1850     * <p>Throws {@link NameNotFoundException} if a service with the given
1851     * class name cannot be found on the system.
1852     *
1853     * @param component The full component name (i.e.
1854     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1855     * class.
1856     * @param flags Additional option flags.  Use any combination of
1857     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1858     * to modify the data returned.
1859     *
1860     * @return ServiceInfo containing information about the service.
1861     *
1862     * @see #GET_META_DATA
1863     * @see #GET_SHARED_LIBRARY_FILES
1864     */
1865    public abstract ServiceInfo getServiceInfo(ComponentName component,
1866            int flags) throws NameNotFoundException;
1867
1868    /**
1869     * Retrieve all of the information we know about a particular content
1870     * provider class.
1871     *
1872     * <p>Throws {@link NameNotFoundException} if a provider with the given
1873     * class name cannot be found on the system.
1874     *
1875     * @param component The full component name (i.e.
1876     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1877     * ContentProvider class.
1878     * @param flags Additional option flags.  Use any combination of
1879     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1880     * to modify the data returned.
1881     *
1882     * @return ProviderInfo containing information about the service.
1883     *
1884     * @see #GET_META_DATA
1885     * @see #GET_SHARED_LIBRARY_FILES
1886     */
1887    public abstract ProviderInfo getProviderInfo(ComponentName component,
1888            int flags) throws NameNotFoundException;
1889
1890    /**
1891     * Return a List of all packages that are installed
1892     * on the device.
1893     *
1894     * @param flags Additional option flags. Use any combination of
1895     * {@link #GET_ACTIVITIES},
1896     * {@link #GET_GIDS},
1897     * {@link #GET_CONFIGURATIONS},
1898     * {@link #GET_INSTRUMENTATION},
1899     * {@link #GET_PERMISSIONS},
1900     * {@link #GET_PROVIDERS},
1901     * {@link #GET_RECEIVERS},
1902     * {@link #GET_SERVICES},
1903     * {@link #GET_SIGNATURES},
1904     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1905     *
1906     * @return A List of PackageInfo objects, one for each package that is
1907     *         installed on the device.  In the unlikely case of there being no
1908     *         installed packages, an empty list is returned.
1909     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1910     *         applications including those deleted with {@code DONT_DELETE_DATA}
1911     *         (partially installed apps with data directory) will be returned.
1912     *
1913     * @see #GET_ACTIVITIES
1914     * @see #GET_GIDS
1915     * @see #GET_CONFIGURATIONS
1916     * @see #GET_INSTRUMENTATION
1917     * @see #GET_PERMISSIONS
1918     * @see #GET_PROVIDERS
1919     * @see #GET_RECEIVERS
1920     * @see #GET_SERVICES
1921     * @see #GET_SIGNATURES
1922     * @see #GET_UNINSTALLED_PACKAGES
1923     */
1924    public abstract List<PackageInfo> getInstalledPackages(int flags);
1925
1926    /**
1927     * Return a List of all installed packages that are currently
1928     * holding any of the given permissions.
1929     *
1930     * @param flags Additional option flags. Use any combination of
1931     * {@link #GET_ACTIVITIES},
1932     * {@link #GET_GIDS},
1933     * {@link #GET_CONFIGURATIONS},
1934     * {@link #GET_INSTRUMENTATION},
1935     * {@link #GET_PERMISSIONS},
1936     * {@link #GET_PROVIDERS},
1937     * {@link #GET_RECEIVERS},
1938     * {@link #GET_SERVICES},
1939     * {@link #GET_SIGNATURES},
1940     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1941     *
1942     * @return Returns a List of PackageInfo objects, one for each installed
1943     * application that is holding any of the permissions that were provided.
1944     *
1945     * @see #GET_ACTIVITIES
1946     * @see #GET_GIDS
1947     * @see #GET_CONFIGURATIONS
1948     * @see #GET_INSTRUMENTATION
1949     * @see #GET_PERMISSIONS
1950     * @see #GET_PROVIDERS
1951     * @see #GET_RECEIVERS
1952     * @see #GET_SERVICES
1953     * @see #GET_SIGNATURES
1954     * @see #GET_UNINSTALLED_PACKAGES
1955     */
1956    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1957            String[] permissions, int flags);
1958
1959    /**
1960     * Return a List of all packages that are installed on the device, for a specific user.
1961     * Requesting a list of installed packages for another user
1962     * will require the permission INTERACT_ACROSS_USERS_FULL.
1963     * @param flags Additional option flags. Use any combination of
1964     * {@link #GET_ACTIVITIES},
1965     * {@link #GET_GIDS},
1966     * {@link #GET_CONFIGURATIONS},
1967     * {@link #GET_INSTRUMENTATION},
1968     * {@link #GET_PERMISSIONS},
1969     * {@link #GET_PROVIDERS},
1970     * {@link #GET_RECEIVERS},
1971     * {@link #GET_SERVICES},
1972     * {@link #GET_SIGNATURES},
1973     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1974     * @param userId The user for whom the installed packages are to be listed
1975     *
1976     * @return A List of PackageInfo objects, one for each package that is
1977     *         installed on the device.  In the unlikely case of there being no
1978     *         installed packages, an empty list is returned.
1979     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1980     *         applications including those deleted with {@code DONT_DELETE_DATA}
1981     *         (partially installed apps with data directory) will be returned.
1982     *
1983     * @see #GET_ACTIVITIES
1984     * @see #GET_GIDS
1985     * @see #GET_CONFIGURATIONS
1986     * @see #GET_INSTRUMENTATION
1987     * @see #GET_PERMISSIONS
1988     * @see #GET_PROVIDERS
1989     * @see #GET_RECEIVERS
1990     * @see #GET_SERVICES
1991     * @see #GET_SIGNATURES
1992     * @see #GET_UNINSTALLED_PACKAGES
1993     *
1994     * @hide
1995     */
1996    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1997
1998    /**
1999     * Check whether a particular package has been granted a particular
2000     * permission.
2001     *
2002     * @param permName The name of the permission you are checking for,
2003     * @param pkgName The name of the package you are checking against.
2004     *
2005     * @return If the package has the permission, PERMISSION_GRANTED is
2006     * returned.  If it does not have the permission, PERMISSION_DENIED
2007     * is returned.
2008     *
2009     * @see #PERMISSION_GRANTED
2010     * @see #PERMISSION_DENIED
2011     */
2012    public abstract int checkPermission(String permName, String pkgName);
2013
2014    /**
2015     * Add a new dynamic permission to the system.  For this to work, your
2016     * package must have defined a permission tree through the
2017     * {@link android.R.styleable#AndroidManifestPermissionTree
2018     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
2019     * permissions to trees that were defined by either its own package or
2020     * another with the same user id; a permission is in a tree if it
2021     * matches the name of the permission tree + ".": for example,
2022     * "com.foo.bar" is a member of the permission tree "com.foo".
2023     *
2024     * <p>It is good to make your permission tree name descriptive, because you
2025     * are taking possession of that entire set of permission names.  Thus, it
2026     * must be under a domain you control, with a suffix that will not match
2027     * any normal permissions that may be declared in any applications that
2028     * are part of that domain.
2029     *
2030     * <p>New permissions must be added before
2031     * any .apks are installed that use those permissions.  Permissions you
2032     * add through this method are remembered across reboots of the device.
2033     * If the given permission already exists, the info you supply here
2034     * will be used to update it.
2035     *
2036     * @param info Description of the permission to be added.
2037     *
2038     * @return Returns true if a new permission was created, false if an
2039     * existing one was updated.
2040     *
2041     * @throws SecurityException if you are not allowed to add the
2042     * given permission name.
2043     *
2044     * @see #removePermission(String)
2045     */
2046    public abstract boolean addPermission(PermissionInfo info);
2047
2048    /**
2049     * Like {@link #addPermission(PermissionInfo)} but asynchronously
2050     * persists the package manager state after returning from the call,
2051     * allowing it to return quicker and batch a series of adds at the
2052     * expense of no guarantee the added permission will be retained if
2053     * the device is rebooted before it is written.
2054     */
2055    public abstract boolean addPermissionAsync(PermissionInfo info);
2056
2057    /**
2058     * Removes a permission that was previously added with
2059     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
2060     * -- you are only allowed to remove permissions that you are allowed
2061     * to add.
2062     *
2063     * @param name The name of the permission to remove.
2064     *
2065     * @throws SecurityException if you are not allowed to remove the
2066     * given permission name.
2067     *
2068     * @see #addPermission(PermissionInfo)
2069     */
2070    public abstract void removePermission(String name);
2071
2072    /**
2073     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
2074     * which prompts the user to grant {@code permissions} to this application.
2075     * @hide
2076     *
2077     * @throws NullPointerException if {@code permissions} is {@code null}.
2078     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
2079     */
2080    public Intent buildPermissionRequestIntent(String... permissions) {
2081        if (permissions == null) {
2082            throw new NullPointerException("permissions cannot be null");
2083        }
2084        for (String permission : permissions) {
2085            if (permission == null) {
2086                throw new IllegalArgumentException("permissions cannot contain null");
2087            }
2088        }
2089
2090        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
2091        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
2092        i.setPackage("com.android.packageinstaller");
2093        return i;
2094    }
2095
2096    /**
2097     * Grant a permission to an application which the application does not
2098     * already have.  The permission must have been requested by the application,
2099     * but as an optional permission.  If the application is not allowed to
2100     * hold the permission, a SecurityException is thrown.
2101     * @hide
2102     *
2103     * @param packageName The name of the package that the permission will be
2104     * granted to.
2105     * @param permissionName The name of the permission.
2106     */
2107    public abstract void grantPermission(String packageName, String permissionName);
2108
2109    /**
2110     * Revoke a permission that was previously granted by {@link #grantPermission}.
2111     * @hide
2112     *
2113     * @param packageName The name of the package that the permission will be
2114     * granted to.
2115     * @param permissionName The name of the permission.
2116     */
2117    public abstract void revokePermission(String packageName, String permissionName);
2118
2119    /**
2120     * Compare the signatures of two packages to determine if the same
2121     * signature appears in both of them.  If they do contain the same
2122     * signature, then they are allowed special privileges when working
2123     * with each other: they can share the same user-id, run instrumentation
2124     * against each other, etc.
2125     *
2126     * @param pkg1 First package name whose signature will be compared.
2127     * @param pkg2 Second package name whose signature will be compared.
2128     *
2129     * @return Returns an integer indicating whether all signatures on the
2130     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2131     * all signatures match or < 0 if there is not a match ({@link
2132     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2133     *
2134     * @see #checkSignatures(int, int)
2135     * @see #SIGNATURE_MATCH
2136     * @see #SIGNATURE_NO_MATCH
2137     * @see #SIGNATURE_UNKNOWN_PACKAGE
2138     */
2139    public abstract int checkSignatures(String pkg1, String pkg2);
2140
2141    /**
2142     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
2143     * the two packages to be checked.  This can be useful, for example,
2144     * when doing the check in an IPC, where the UID is the only identity
2145     * available.  It is functionally identical to determining the package
2146     * associated with the UIDs and checking their signatures.
2147     *
2148     * @param uid1 First UID whose signature will be compared.
2149     * @param uid2 Second UID whose signature will be compared.
2150     *
2151     * @return Returns an integer indicating whether all signatures on the
2152     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2153     * all signatures match or < 0 if there is not a match ({@link
2154     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2155     *
2156     * @see #checkSignatures(String, String)
2157     * @see #SIGNATURE_MATCH
2158     * @see #SIGNATURE_NO_MATCH
2159     * @see #SIGNATURE_UNKNOWN_PACKAGE
2160     */
2161    public abstract int checkSignatures(int uid1, int uid2);
2162
2163    /**
2164     * Retrieve the names of all packages that are associated with a particular
2165     * user id.  In most cases, this will be a single package name, the package
2166     * that has been assigned that user id.  Where there are multiple packages
2167     * sharing the same user id through the "sharedUserId" mechanism, all
2168     * packages with that id will be returned.
2169     *
2170     * @param uid The user id for which you would like to retrieve the
2171     * associated packages.
2172     *
2173     * @return Returns an array of one or more packages assigned to the user
2174     * id, or null if there are no known packages with the given id.
2175     */
2176    public abstract String[] getPackagesForUid(int uid);
2177
2178    /**
2179     * Retrieve the official name associated with a user id.  This name is
2180     * guaranteed to never change, though it is possibly for the underlying
2181     * user id to be changed.  That is, if you are storing information about
2182     * user ids in persistent storage, you should use the string returned
2183     * by this function instead of the raw user-id.
2184     *
2185     * @param uid The user id for which you would like to retrieve a name.
2186     * @return Returns a unique name for the given user id, or null if the
2187     * user id is not currently assigned.
2188     */
2189    public abstract String getNameForUid(int uid);
2190
2191    /**
2192     * Return the user id associated with a shared user name. Multiple
2193     * applications can specify a shared user name in their manifest and thus
2194     * end up using a common uid. This might be used for new applications
2195     * that use an existing shared user name and need to know the uid of the
2196     * shared user.
2197     *
2198     * @param sharedUserName The shared user name whose uid is to be retrieved.
2199     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2200     * if the shared user name is not being used by any installed packages
2201     * @hide
2202     */
2203    public abstract int getUidForSharedUser(String sharedUserName)
2204            throws NameNotFoundException;
2205
2206    /**
2207     * Return a List of all application packages that are installed on the
2208     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2209     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2210     * installed apps with data directory) will be returned.
2211     *
2212     * @param flags Additional option flags. Use any combination of
2213     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2214     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2215     *
2216     * @return Returns a List of ApplicationInfo objects, one for each application that
2217     *         is installed on the device.  In the unlikely case of there being
2218     *         no installed applications, an empty list is returned.
2219     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2220     *         applications including those deleted with {@code DONT_DELETE_DATA}
2221     *         (partially installed apps with data directory) will be returned.
2222     *
2223     * @see #GET_META_DATA
2224     * @see #GET_SHARED_LIBRARY_FILES
2225     * @see #GET_UNINSTALLED_PACKAGES
2226     */
2227    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2228
2229    /**
2230     * Get a list of shared libraries that are available on the
2231     * system.
2232     *
2233     * @return An array of shared library names that are
2234     * available on the system, or null if none are installed.
2235     *
2236     */
2237    public abstract String[] getSystemSharedLibraryNames();
2238
2239    /**
2240     * Get a list of features that are available on the
2241     * system.
2242     *
2243     * @return An array of FeatureInfo classes describing the features
2244     * that are available on the system, or null if there are none(!!).
2245     */
2246    public abstract FeatureInfo[] getSystemAvailableFeatures();
2247
2248    /**
2249     * Check whether the given feature name is one of the available
2250     * features as returned by {@link #getSystemAvailableFeatures()}.
2251     *
2252     * @return Returns true if the devices supports the feature, else
2253     * false.
2254     */
2255    public abstract boolean hasSystemFeature(String name);
2256
2257    /**
2258     * Determine the best action to perform for a given Intent.  This is how
2259     * {@link Intent#resolveActivity} finds an activity if a class has not
2260     * been explicitly specified.
2261     *
2262     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2263     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2264     * only flag.  You need to do so to resolve the activity in the same way
2265     * that {@link android.content.Context#startActivity(Intent)} and
2266     * {@link android.content.Intent#resolveActivity(PackageManager)
2267     * Intent.resolveActivity(PackageManager)} do.</p>
2268     *
2269     * @param intent An intent containing all of the desired specification
2270     *               (action, data, type, category, and/or component).
2271     * @param flags Additional option flags.  The most important is
2272     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2273     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2274     *
2275     * @return Returns a ResolveInfo containing the final activity intent that
2276     *         was determined to be the best action.  Returns null if no
2277     *         matching activity was found. If multiple matching activities are
2278     *         found and there is no default set, returns a ResolveInfo
2279     *         containing something else, such as the activity resolver.
2280     *
2281     * @see #MATCH_DEFAULT_ONLY
2282     * @see #GET_INTENT_FILTERS
2283     * @see #GET_RESOLVED_FILTER
2284     */
2285    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2286
2287    /**
2288     * Determine the best action to perform for a given Intent for a given user. This
2289     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2290     * been explicitly specified.
2291     *
2292     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2293     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2294     * only flag.  You need to do so to resolve the activity in the same way
2295     * that {@link android.content.Context#startActivity(Intent)} and
2296     * {@link android.content.Intent#resolveActivity(PackageManager)
2297     * Intent.resolveActivity(PackageManager)} do.</p>
2298     *
2299     * @param intent An intent containing all of the desired specification
2300     *               (action, data, type, category, and/or component).
2301     * @param flags Additional option flags.  The most important is
2302     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2303     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2304     * @param userId The user id.
2305     *
2306     * @return Returns a ResolveInfo containing the final activity intent that
2307     *         was determined to be the best action.  Returns null if no
2308     *         matching activity was found. If multiple matching activities are
2309     *         found and there is no default set, returns a ResolveInfo
2310     *         containing something else, such as the activity resolver.
2311     *
2312     * @see #MATCH_DEFAULT_ONLY
2313     * @see #GET_INTENT_FILTERS
2314     * @see #GET_RESOLVED_FILTER
2315     *
2316     * @hide
2317     */
2318    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2319
2320    /**
2321     * Retrieve all activities that can be performed for the given intent.
2322     *
2323     * @param intent The desired intent as per resolveActivity().
2324     * @param flags Additional option flags.  The most important is
2325     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2326     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2327     *
2328     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2329     *         Activity. These are ordered from best to worst match -- that
2330     *         is, the first item in the list is what is returned by
2331     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2332     *         list is returned.
2333     *
2334     * @see #MATCH_DEFAULT_ONLY
2335     * @see #GET_INTENT_FILTERS
2336     * @see #GET_RESOLVED_FILTER
2337     */
2338    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2339            int flags);
2340
2341    /**
2342     * Retrieve all activities that can be performed for the given intent, for a specific user.
2343     *
2344     * @param intent The desired intent as per resolveActivity().
2345     * @param flags Additional option flags.  The most important is
2346     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2347     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2348     *
2349     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2350     *         Activity. These are ordered from best to worst match -- that
2351     *         is, the first item in the list is what is returned by
2352     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2353     *         list is returned.
2354     *
2355     * @see #MATCH_DEFAULT_ONLY
2356     * @see #GET_INTENT_FILTERS
2357     * @see #GET_RESOLVED_FILTER
2358     * @see #NO_CROSS_PROFILE
2359     * @hide
2360     */
2361    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2362            int flags, int userId);
2363
2364
2365    /**
2366     * Retrieve a set of activities that should be presented to the user as
2367     * similar options.  This is like {@link #queryIntentActivities}, except it
2368     * also allows you to supply a list of more explicit Intents that you would
2369     * like to resolve to particular options, and takes care of returning the
2370     * final ResolveInfo list in a reasonable order, with no duplicates, based
2371     * on those inputs.
2372     *
2373     * @param caller The class name of the activity that is making the
2374     *               request.  This activity will never appear in the output
2375     *               list.  Can be null.
2376     * @param specifics An array of Intents that should be resolved to the
2377     *                  first specific results.  Can be null.
2378     * @param intent The desired intent as per resolveActivity().
2379     * @param flags Additional option flags.  The most important is
2380     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2381     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2382     *
2383     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2384     *         Activity. These are ordered first by all of the intents resolved
2385     *         in <var>specifics</var> and then any additional activities that
2386     *         can handle <var>intent</var> but did not get included by one of
2387     *         the <var>specifics</var> intents.  If there are no matching
2388     *         activities, an empty list is returned.
2389     *
2390     * @see #MATCH_DEFAULT_ONLY
2391     * @see #GET_INTENT_FILTERS
2392     * @see #GET_RESOLVED_FILTER
2393     */
2394    public abstract List<ResolveInfo> queryIntentActivityOptions(
2395            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2396
2397    /**
2398     * Retrieve all receivers that can handle a broadcast of the given intent.
2399     *
2400     * @param intent The desired intent as per resolveActivity().
2401     * @param flags Additional option flags.
2402     *
2403     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2404     *         Receiver. These are ordered from first to last in priority.  If
2405     *         there are no matching receivers, an empty list is returned.
2406     *
2407     * @see #MATCH_DEFAULT_ONLY
2408     * @see #GET_INTENT_FILTERS
2409     * @see #GET_RESOLVED_FILTER
2410     */
2411    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2412            int flags);
2413
2414    /**
2415     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2416     * user.
2417     *
2418     * @param intent The desired intent as per resolveActivity().
2419     * @param flags Additional option flags.
2420     * @param userId The userId of the user being queried.
2421     *
2422     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2423     *         Receiver. These are ordered from first to last in priority.  If
2424     *         there are no matching receivers, an empty list is returned.
2425     *
2426     * @see #MATCH_DEFAULT_ONLY
2427     * @see #GET_INTENT_FILTERS
2428     * @see #GET_RESOLVED_FILTER
2429     * @hide
2430     */
2431    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2432            int flags, int userId);
2433
2434    /**
2435     * Determine the best service to handle for a given Intent.
2436     *
2437     * @param intent An intent containing all of the desired specification
2438     *               (action, data, type, category, and/or component).
2439     * @param flags Additional option flags.
2440     *
2441     * @return Returns a ResolveInfo containing the final service intent that
2442     *         was determined to be the best action.  Returns null if no
2443     *         matching service was found.
2444     *
2445     * @see #GET_INTENT_FILTERS
2446     * @see #GET_RESOLVED_FILTER
2447     */
2448    public abstract ResolveInfo resolveService(Intent intent, int flags);
2449
2450    /**
2451     * Retrieve all services that can match the given intent.
2452     *
2453     * @param intent The desired intent as per resolveService().
2454     * @param flags Additional option flags.
2455     *
2456     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2457     *         ServiceInfo. These are ordered from best to worst match -- that
2458     *         is, the first item in the list is what is returned by
2459     *         resolveService().  If there are no matching services, an empty
2460     *         list is returned.
2461     *
2462     * @see #GET_INTENT_FILTERS
2463     * @see #GET_RESOLVED_FILTER
2464     */
2465    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2466            int flags);
2467
2468    /**
2469     * Retrieve all services that can match the given intent for a given user.
2470     *
2471     * @param intent The desired intent as per resolveService().
2472     * @param flags Additional option flags.
2473     * @param userId The user id.
2474     *
2475     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2476     *         ServiceInfo. These are ordered from best to worst match -- that
2477     *         is, the first item in the list is what is returned by
2478     *         resolveService().  If there are no matching services, an empty
2479     *         list is returned.
2480     *
2481     * @see #GET_INTENT_FILTERS
2482     * @see #GET_RESOLVED_FILTER
2483     *
2484     * @hide
2485     */
2486    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2487            int flags, int userId);
2488
2489    /** {@hide} */
2490    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2491            Intent intent, int flags, int userId);
2492
2493    /**
2494     * Retrieve all providers that can match the given intent.
2495     *
2496     * @param intent An intent containing all of the desired specification
2497     *            (action, data, type, category, and/or component).
2498     * @param flags Additional option flags.
2499     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2500     *         ProviderInfo. These are ordered from best to worst match. If
2501     *         there are no matching providers, an empty list is returned.
2502     * @see #GET_INTENT_FILTERS
2503     * @see #GET_RESOLVED_FILTER
2504     */
2505    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2506
2507    /**
2508     * Find a single content provider by its base path name.
2509     *
2510     * @param name The name of the provider to find.
2511     * @param flags Additional option flags.  Currently should always be 0.
2512     *
2513     * @return ContentProviderInfo Information about the provider, if found,
2514     *         else null.
2515     */
2516    public abstract ProviderInfo resolveContentProvider(String name,
2517            int flags);
2518
2519    /**
2520     * Find a single content provider by its base path name.
2521     *
2522     * @param name The name of the provider to find.
2523     * @param flags Additional option flags.  Currently should always be 0.
2524     * @param userId The user id.
2525     *
2526     * @return ContentProviderInfo Information about the provider, if found,
2527     *         else null.
2528     * @hide
2529     */
2530    public abstract ProviderInfo resolveContentProviderAsUser(String name, int flags, int userId);
2531
2532    /**
2533     * Retrieve content provider information.
2534     *
2535     * <p><em>Note: unlike most other methods, an empty result set is indicated
2536     * by a null return instead of an empty list.</em>
2537     *
2538     * @param processName If non-null, limits the returned providers to only
2539     *                    those that are hosted by the given process.  If null,
2540     *                    all content providers are returned.
2541     * @param uid If <var>processName</var> is non-null, this is the required
2542     *        uid owning the requested content providers.
2543     * @param flags Additional option flags.  Currently should always be 0.
2544     *
2545     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2546     *         content provider either patching <var>processName</var> or, if
2547     *         <var>processName</var> is null, all known content providers.
2548     *         <em>If there are no matching providers, null is returned.</em>
2549     */
2550    public abstract List<ProviderInfo> queryContentProviders(
2551            String processName, int uid, int flags);
2552
2553    /**
2554     * Retrieve all of the information we know about a particular
2555     * instrumentation class.
2556     *
2557     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2558     * given class name cannot be found on the system.
2559     *
2560     * @param className The full name (i.e.
2561     *                  com.google.apps.contacts.InstrumentList) of an
2562     *                  Instrumentation class.
2563     * @param flags Additional option flags.  Currently should always be 0.
2564     *
2565     * @return InstrumentationInfo containing information about the
2566     *         instrumentation.
2567     */
2568    public abstract InstrumentationInfo getInstrumentationInfo(
2569            ComponentName className, int flags) throws NameNotFoundException;
2570
2571    /**
2572     * Retrieve information about available instrumentation code.  May be used
2573     * to retrieve either all instrumentation code, or only the code targeting
2574     * a particular package.
2575     *
2576     * @param targetPackage If null, all instrumentation is returned; only the
2577     *                      instrumentation targeting this package name is
2578     *                      returned.
2579     * @param flags Additional option flags.  Currently should always be 0.
2580     *
2581     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2582     *         matching available Instrumentation.  Returns an empty list if
2583     *         there is no instrumentation available for the given package.
2584     */
2585    public abstract List<InstrumentationInfo> queryInstrumentation(
2586            String targetPackage, int flags);
2587
2588    /**
2589     * Retrieve an image from a package.  This is a low-level API used by
2590     * the various package manager info structures (such as
2591     * {@link ComponentInfo} to implement retrieval of their associated
2592     * icon.
2593     *
2594     * @param packageName The name of the package that this icon is coming from.
2595     * Cannot be null.
2596     * @param resid The resource identifier of the desired image.  Cannot be 0.
2597     * @param appInfo Overall information about <var>packageName</var>.  This
2598     * may be null, in which case the application information will be retrieved
2599     * for you if needed; if you already have this information around, it can
2600     * be much more efficient to supply it here.
2601     *
2602     * @return Returns a Drawable holding the requested image.  Returns null if
2603     * an image could not be found for any reason.
2604     */
2605    public abstract Drawable getDrawable(String packageName, int resid,
2606            ApplicationInfo appInfo);
2607
2608    /**
2609     * Retrieve the icon associated with an activity.  Given the full name of
2610     * an activity, retrieves the information about it and calls
2611     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2612     * If the activity cannot be found, NameNotFoundException is thrown.
2613     *
2614     * @param activityName Name of the activity whose icon is to be retrieved.
2615     *
2616     * @return Returns the image of the icon, or the default activity icon if
2617     * it could not be found.  Does not return null.
2618     * @throws NameNotFoundException Thrown if the resources for the given
2619     * activity could not be loaded.
2620     *
2621     * @see #getActivityIcon(Intent)
2622     */
2623    public abstract Drawable getActivityIcon(ComponentName activityName)
2624            throws NameNotFoundException;
2625
2626    /**
2627     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2628     * set, this simply returns the result of
2629     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2630     * component and returns the icon associated with the resolved component.
2631     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2632     * to a component, NameNotFoundException is thrown.
2633     *
2634     * @param intent The intent for which you would like to retrieve an icon.
2635     *
2636     * @return Returns the image of the icon, or the default activity icon if
2637     * it could not be found.  Does not return null.
2638     * @throws NameNotFoundException Thrown if the resources for application
2639     * matching the given intent could not be loaded.
2640     *
2641     * @see #getActivityIcon(ComponentName)
2642     */
2643    public abstract Drawable getActivityIcon(Intent intent)
2644            throws NameNotFoundException;
2645
2646    /**
2647     * Retrieve the banner associated with an activity. Given the full name of
2648     * an activity, retrieves the information about it and calls
2649     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2650     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2651     *
2652     * @param activityName Name of the activity whose banner is to be retrieved.
2653     * @return Returns the image of the banner, or null if the activity has no
2654     *         banner specified.
2655     * @throws NameNotFoundException Thrown if the resources for the given
2656     *             activity could not be loaded.
2657     * @see #getActivityBanner(Intent)
2658     */
2659    public abstract Drawable getActivityBanner(ComponentName activityName)
2660            throws NameNotFoundException;
2661
2662    /**
2663     * Retrieve the banner associated with an Intent. If intent.getClassName()
2664     * is set, this simply returns the result of
2665     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2666     * intent's component and returns the banner associated with the resolved
2667     * component. If intent.getClassName() cannot be found or the Intent cannot
2668     * be resolved to a component, NameNotFoundException is thrown.
2669     *
2670     * @param intent The intent for which you would like to retrieve a banner.
2671     * @return Returns the image of the banner, or null if the activity has no
2672     *         banner specified.
2673     * @throws NameNotFoundException Thrown if the resources for application
2674     *             matching the given intent could not be loaded.
2675     * @see #getActivityBanner(ComponentName)
2676     */
2677    public abstract Drawable getActivityBanner(Intent intent)
2678            throws NameNotFoundException;
2679
2680    /**
2681     * Return the generic icon for an activity that is used when no specific
2682     * icon is defined.
2683     *
2684     * @return Drawable Image of the icon.
2685     */
2686    public abstract Drawable getDefaultActivityIcon();
2687
2688    /**
2689     * Retrieve the icon associated with an application.  If it has not defined
2690     * an icon, the default app icon is returned.  Does not return null.
2691     *
2692     * @param info Information about application being queried.
2693     *
2694     * @return Returns the image of the icon, or the default application icon
2695     * if it could not be found.
2696     *
2697     * @see #getApplicationIcon(String)
2698     */
2699    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2700
2701    /**
2702     * Retrieve the icon associated with an application.  Given the name of the
2703     * application's package, retrieves the information about it and calls
2704     * getApplicationIcon() to return its icon. If the application cannot be
2705     * found, NameNotFoundException is thrown.
2706     *
2707     * @param packageName Name of the package whose application icon is to be
2708     *                    retrieved.
2709     *
2710     * @return Returns the image of the icon, or the default application icon
2711     * if it could not be found.  Does not return null.
2712     * @throws NameNotFoundException Thrown if the resources for the given
2713     * application could not be loaded.
2714     *
2715     * @see #getApplicationIcon(ApplicationInfo)
2716     */
2717    public abstract Drawable getApplicationIcon(String packageName)
2718            throws NameNotFoundException;
2719
2720    /**
2721     * Retrieve the banner associated with an application.
2722     *
2723     * @param info Information about application being queried.
2724     * @return Returns the image of the banner or null if the application has no
2725     *         banner specified.
2726     * @see #getApplicationBanner(String)
2727     */
2728    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2729
2730    /**
2731     * Retrieve the banner associated with an application. Given the name of the
2732     * application's package, retrieves the information about it and calls
2733     * getApplicationIcon() to return its banner. If the application cannot be
2734     * found, NameNotFoundException is thrown.
2735     *
2736     * @param packageName Name of the package whose application banner is to be
2737     *            retrieved.
2738     * @return Returns the image of the banner or null if the application has no
2739     *         banner specified.
2740     * @throws NameNotFoundException Thrown if the resources for the given
2741     *             application could not be loaded.
2742     * @see #getApplicationBanner(ApplicationInfo)
2743     */
2744    public abstract Drawable getApplicationBanner(String packageName)
2745            throws NameNotFoundException;
2746
2747    /**
2748     * Retrieve the logo associated with an activity. Given the full name of an
2749     * activity, retrieves the information about it and calls
2750     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2751     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2752     *
2753     * @param activityName Name of the activity whose logo is to be retrieved.
2754     * @return Returns the image of the logo or null if the activity has no logo
2755     *         specified.
2756     * @throws NameNotFoundException Thrown if the resources for the given
2757     *             activity could not be loaded.
2758     * @see #getActivityLogo(Intent)
2759     */
2760    public abstract Drawable getActivityLogo(ComponentName activityName)
2761            throws NameNotFoundException;
2762
2763    /**
2764     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2765     * set, this simply returns the result of
2766     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2767     * component and returns the logo associated with the resolved component.
2768     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2769     * to a component, NameNotFoundException is thrown.
2770     *
2771     * @param intent The intent for which you would like to retrieve a logo.
2772     *
2773     * @return Returns the image of the logo, or null if the activity has no
2774     * logo specified.
2775     *
2776     * @throws NameNotFoundException Thrown if the resources for application
2777     * matching the given intent could not be loaded.
2778     *
2779     * @see #getActivityLogo(ComponentName)
2780     */
2781    public abstract Drawable getActivityLogo(Intent intent)
2782            throws NameNotFoundException;
2783
2784    /**
2785     * Retrieve the logo associated with an application.  If it has not specified
2786     * a logo, this method returns null.
2787     *
2788     * @param info Information about application being queried.
2789     *
2790     * @return Returns the image of the logo, or null if no logo is specified
2791     * by the application.
2792     *
2793     * @see #getApplicationLogo(String)
2794     */
2795    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2796
2797    /**
2798     * Retrieve the logo associated with an application.  Given the name of the
2799     * application's package, retrieves the information about it and calls
2800     * getApplicationLogo() to return its logo. If the application cannot be
2801     * found, NameNotFoundException is thrown.
2802     *
2803     * @param packageName Name of the package whose application logo is to be
2804     *                    retrieved.
2805     *
2806     * @return Returns the image of the logo, or null if no application logo
2807     * has been specified.
2808     *
2809     * @throws NameNotFoundException Thrown if the resources for the given
2810     * application could not be loaded.
2811     *
2812     * @see #getApplicationLogo(ApplicationInfo)
2813     */
2814    public abstract Drawable getApplicationLogo(String packageName)
2815            throws NameNotFoundException;
2816
2817    /**
2818     * Retrieve text from a package.  This is a low-level API used by
2819     * the various package manager info structures (such as
2820     * {@link ComponentInfo} to implement retrieval of their associated
2821     * labels and other text.
2822     *
2823     * @param packageName The name of the package that this text is coming from.
2824     * Cannot be null.
2825     * @param resid The resource identifier of the desired text.  Cannot be 0.
2826     * @param appInfo Overall information about <var>packageName</var>.  This
2827     * may be null, in which case the application information will be retrieved
2828     * for you if needed; if you already have this information around, it can
2829     * be much more efficient to supply it here.
2830     *
2831     * @return Returns a CharSequence holding the requested text.  Returns null
2832     * if the text could not be found for any reason.
2833     */
2834    public abstract CharSequence getText(String packageName, int resid,
2835            ApplicationInfo appInfo);
2836
2837    /**
2838     * Retrieve an XML file from a package.  This is a low-level API used to
2839     * retrieve XML meta data.
2840     *
2841     * @param packageName The name of the package that this xml is coming from.
2842     * Cannot be null.
2843     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2844     * @param appInfo Overall information about <var>packageName</var>.  This
2845     * may be null, in which case the application information will be retrieved
2846     * for you if needed; if you already have this information around, it can
2847     * be much more efficient to supply it here.
2848     *
2849     * @return Returns an XmlPullParser allowing you to parse out the XML
2850     * data.  Returns null if the xml resource could not be found for any
2851     * reason.
2852     */
2853    public abstract XmlResourceParser getXml(String packageName, int resid,
2854            ApplicationInfo appInfo);
2855
2856    /**
2857     * Return the label to use for this application.
2858     *
2859     * @return Returns the label associated with this application, or null if
2860     * it could not be found for any reason.
2861     * @param info The application to get the label of.
2862     */
2863    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2864
2865    /**
2866     * Retrieve the resources associated with an activity.  Given the full
2867     * name of an activity, retrieves the information about it and calls
2868     * getResources() to return its application's resources.  If the activity
2869     * cannot be found, NameNotFoundException is thrown.
2870     *
2871     * @param activityName Name of the activity whose resources are to be
2872     *                     retrieved.
2873     *
2874     * @return Returns the application's Resources.
2875     * @throws NameNotFoundException Thrown if the resources for the given
2876     * application could not be loaded.
2877     *
2878     * @see #getResourcesForApplication(ApplicationInfo)
2879     */
2880    public abstract Resources getResourcesForActivity(ComponentName activityName)
2881            throws NameNotFoundException;
2882
2883    /**
2884     * Retrieve the resources for an application.  Throws NameNotFoundException
2885     * if the package is no longer installed.
2886     *
2887     * @param app Information about the desired application.
2888     *
2889     * @return Returns the application's Resources.
2890     * @throws NameNotFoundException Thrown if the resources for the given
2891     * application could not be loaded (most likely because it was uninstalled).
2892     */
2893    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2894            throws NameNotFoundException;
2895
2896    /**
2897     * Retrieve the resources associated with an application.  Given the full
2898     * package name of an application, retrieves the information about it and
2899     * calls getResources() to return its application's resources.  If the
2900     * appPackageName cannot be found, NameNotFoundException is thrown.
2901     *
2902     * @param appPackageName Package name of the application whose resources
2903     *                       are to be retrieved.
2904     *
2905     * @return Returns the application's Resources.
2906     * @throws NameNotFoundException Thrown if the resources for the given
2907     * application could not be loaded.
2908     *
2909     * @see #getResourcesForApplication(ApplicationInfo)
2910     */
2911    public abstract Resources getResourcesForApplication(String appPackageName)
2912            throws NameNotFoundException;
2913
2914    /** @hide */
2915    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2916            throws NameNotFoundException;
2917
2918    /**
2919     * Retrieve overall information about an application package defined
2920     * in a package archive file
2921     *
2922     * @param archiveFilePath The path to the archive file
2923     * @param flags Additional option flags. Use any combination of
2924     * {@link #GET_ACTIVITIES},
2925     * {@link #GET_GIDS},
2926     * {@link #GET_CONFIGURATIONS},
2927     * {@link #GET_INSTRUMENTATION},
2928     * {@link #GET_PERMISSIONS},
2929     * {@link #GET_PROVIDERS},
2930     * {@link #GET_RECEIVERS},
2931     * {@link #GET_SERVICES},
2932     * {@link #GET_SIGNATURES}, to modify the data returned.
2933     *
2934     * @return Returns the information about the package. Returns
2935     * null if the package could not be successfully parsed.
2936     *
2937     * @see #GET_ACTIVITIES
2938     * @see #GET_GIDS
2939     * @see #GET_CONFIGURATIONS
2940     * @see #GET_INSTRUMENTATION
2941     * @see #GET_PERMISSIONS
2942     * @see #GET_PROVIDERS
2943     * @see #GET_RECEIVERS
2944     * @see #GET_SERVICES
2945     * @see #GET_SIGNATURES
2946     *
2947     */
2948    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2949        final PackageParser parser = new PackageParser();
2950        final File apkFile = new File(archiveFilePath);
2951        try {
2952            PackageParser.Package pkg = parser.parseMonolithicPackage(apkFile, 0);
2953            if ((flags & GET_SIGNATURES) != 0) {
2954                parser.collectCertificates(pkg, 0);
2955                parser.collectManifestDigest(pkg);
2956            }
2957            PackageUserState state = new PackageUserState();
2958            return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2959        } catch (PackageParserException e) {
2960            return null;
2961        }
2962    }
2963
2964    /**
2965     * @hide Install a package. Since this may take a little while, the result
2966     *       will be posted back to the given observer. An installation will
2967     *       fail if the calling context lacks the
2968     *       {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if
2969     *       the package named in the package file's manifest is already
2970     *       installed, or if there's no space available on the device.
2971     * @param packageURI The location of the package file to install. This can
2972     *            be a 'file:' or a 'content:' URI.
2973     * @param observer An observer callback to get notified when the package
2974     *            installation is complete.
2975     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2976     *            will be called when that happens. This parameter must not be
2977     *            null.
2978     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2979     *            {@link #INSTALL_REPLACE_EXISTING},
2980     *            {@link #INSTALL_ALLOW_TEST}.
2981     * @param installerPackageName Optional package name of the application that
2982     *            is performing the installation. This identifies which market
2983     *            the package came from.
2984     * @deprecated Use {@link #installPackage(Uri, PackageInstallObserver, int,
2985     *             String)} instead. This method will continue to be supported
2986     *             but the older observer interface will not get additional
2987     *             failure details.
2988     */
2989    // @SystemApi
2990    public abstract void installPackage(
2991            Uri packageURI, IPackageInstallObserver observer, int flags,
2992            String installerPackageName);
2993
2994    /**
2995     * Similar to
2996     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2997     * with an extra verification file provided.
2998     *
2999     * @param packageURI The location of the package file to install. This can
3000     *            be a 'file:' or a 'content:' URI.
3001     * @param observer An observer callback to get notified when the package
3002     *            installation is complete.
3003     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
3004     *            will be called when that happens. This parameter must not be
3005     *            null.
3006     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3007     *            {@link #INSTALL_REPLACE_EXISTING},
3008     *            {@link #INSTALL_ALLOW_TEST}.
3009     * @param installerPackageName Optional package name of the application that
3010     *            is performing the installation. This identifies which market
3011     *            the package came from.
3012     * @param verificationURI The location of the supplementary verification
3013     *            file. This can be a 'file:' or a 'content:' URI. May be
3014     *            {@code null}.
3015     * @param manifestDigest an object that holds the digest of the package
3016     *            which can be used to verify ownership. May be {@code null}.
3017     * @param encryptionParams if the package to be installed is encrypted,
3018     *            these parameters describing the encryption and authentication
3019     *            used. May be {@code null}.
3020     * @hide
3021     * @deprecated Use {@link #installPackageWithVerification(Uri,
3022     *             PackageInstallObserver, int, String, Uri, ManifestDigest,
3023     *             ContainerEncryptionParams)} instead. This method will
3024     *             continue to be supported but the older observer interface
3025     *             will not get additional failure details.
3026     */
3027    // @SystemApi
3028    public abstract void installPackageWithVerification(Uri packageURI,
3029            IPackageInstallObserver observer, int flags, String installerPackageName,
3030            Uri verificationURI, ManifestDigest manifestDigest,
3031            ContainerEncryptionParams encryptionParams);
3032
3033    /**
3034     * Similar to
3035     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3036     * with an extra verification information provided.
3037     *
3038     * @param packageURI The location of the package file to install. This can
3039     *            be a 'file:' or a 'content:' URI.
3040     * @param observer An observer callback to get notified when the package
3041     *            installation is complete.
3042     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
3043     *            will be called when that happens. This parameter must not be
3044     *            null.
3045     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3046     *            {@link #INSTALL_REPLACE_EXISTING},
3047     *            {@link #INSTALL_ALLOW_TEST}.
3048     * @param installerPackageName Optional package name of the application that
3049     *            is performing the installation. This identifies which market
3050     *            the package came from.
3051     * @param verificationParams an object that holds signal information to
3052     *            assist verification. May be {@code null}.
3053     * @param encryptionParams if the package to be installed is encrypted,
3054     *            these parameters describing the encryption and authentication
3055     *            used. May be {@code null}.
3056     * @hide
3057     * @deprecated Use {@link #installPackageWithVerificationAndEncryption(Uri,
3058     *             PackageInstallObserver, int, String, VerificationParams,
3059     *             ContainerEncryptionParams)} instead. This method will
3060     *             continue to be supported but the older observer interface
3061     *             will not get additional failure details.
3062     */
3063    @Deprecated
3064    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
3065            IPackageInstallObserver observer, int flags, String installerPackageName,
3066            VerificationParams verificationParams,
3067            ContainerEncryptionParams encryptionParams);
3068
3069    // Package-install variants that take the new, expanded form of observer interface.
3070    // Note that these *also* take the original observer type and will redundantly
3071    // report the same information to that observer if supplied; but it is not required.
3072
3073    /**
3074     * @hide
3075     *
3076     * Install a package. Since this may take a little while, the result will
3077     * be posted back to the given observer.  An installation will fail if the calling context
3078     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
3079     * package named in the package file's manifest is already installed, or if there's no space
3080     * available on the device.
3081     *
3082     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
3083     * 'content:' URI.
3084     * @param observer An observer callback to get notified when the package installation is
3085     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3086     * called when that happens. This parameter must not be null.
3087     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3088     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3089     * @param installerPackageName Optional package name of the application that is performing the
3090     * installation. This identifies which market the package came from.
3091     */
3092    public abstract void installPackage(
3093            Uri packageURI, PackageInstallObserver observer,
3094            int flags, String installerPackageName);
3095
3096    /**
3097     * Similar to
3098     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3099     * with an extra verification file provided.
3100     *
3101     * @param packageURI The location of the package file to install. This can
3102     *            be a 'file:' or a 'content:' URI.
3103     * @param observer An observer callback to get notified when the package installation is
3104     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3105     * called when that happens. This parameter must not be null.
3106     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3107     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3108     * @param installerPackageName Optional package name of the application that
3109     *            is performing the installation. This identifies which market
3110     *            the package came from.
3111     * @param verificationURI The location of the supplementary verification
3112     *            file. This can be a 'file:' or a 'content:' URI. May be
3113     *            {@code null}.
3114     * @param manifestDigest an object that holds the digest of the package
3115     *            which can be used to verify ownership. May be {@code null}.
3116     * @param encryptionParams if the package to be installed is encrypted,
3117     *            these parameters describing the encryption and authentication
3118     *            used. May be {@code null}.
3119     * @hide
3120     */
3121    public abstract void installPackageWithVerification(Uri packageURI,
3122            PackageInstallObserver observer, int flags, String installerPackageName,
3123            Uri verificationURI, ManifestDigest manifestDigest,
3124            ContainerEncryptionParams encryptionParams);
3125
3126    /**
3127     * Similar to
3128     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3129     * with an extra verification information provided.
3130     *
3131     * @param packageURI The location of the package file to install. This can
3132     *            be a 'file:' or a 'content:' URI.
3133     * @param observer An observer callback to get notified when the package installation is
3134     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3135     * called when that happens. This parameter must not be null.
3136     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3137     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3138     * @param installerPackageName Optional package name of the application that
3139     *            is performing the installation. This identifies which market
3140     *            the package came from.
3141     * @param verificationParams an object that holds signal information to
3142     *            assist verification. May be {@code null}.
3143     * @param encryptionParams if the package to be installed is encrypted,
3144     *            these parameters describing the encryption and authentication
3145     *            used. May be {@code null}.
3146     *
3147     * @hide
3148     */
3149    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
3150            PackageInstallObserver observer, int flags, String installerPackageName,
3151            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams);
3152
3153    /**
3154     * If there is already an application with the given package name installed
3155     * on the system for other users, also install it for the calling user.
3156     * @hide
3157     */
3158    // @SystemApi
3159    public abstract int installExistingPackage(String packageName)
3160            throws NameNotFoundException;
3161
3162    /**
3163     * Allows a package listening to the
3164     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3165     * broadcast} to respond to the package manager. The response must include
3166     * the {@code verificationCode} which is one of
3167     * {@link PackageManager#VERIFICATION_ALLOW} or
3168     * {@link PackageManager#VERIFICATION_REJECT}.
3169     *
3170     * @param id pending package identifier as passed via the
3171     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3172     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
3173     *            or {@link PackageManager#VERIFICATION_REJECT}.
3174     * @throws SecurityException if the caller does not have the
3175     *            PACKAGE_VERIFICATION_AGENT permission.
3176     */
3177    public abstract void verifyPendingInstall(int id, int verificationCode);
3178
3179    /**
3180     * Allows a package listening to the
3181     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3182     * broadcast} to extend the default timeout for a response and declare what
3183     * action to perform after the timeout occurs. The response must include
3184     * the {@code verificationCodeAtTimeout} which is one of
3185     * {@link PackageManager#VERIFICATION_ALLOW} or
3186     * {@link PackageManager#VERIFICATION_REJECT}.
3187     *
3188     * This method may only be called once per package id. Additional calls
3189     * will have no effect.
3190     *
3191     * @param id pending package identifier as passed via the
3192     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3193     * @param verificationCodeAtTimeout either
3194     *            {@link PackageManager#VERIFICATION_ALLOW} or
3195     *            {@link PackageManager#VERIFICATION_REJECT}. If
3196     *            {@code verificationCodeAtTimeout} is neither
3197     *            {@link PackageManager#VERIFICATION_ALLOW} or
3198     *            {@link PackageManager#VERIFICATION_REJECT}, then
3199     *            {@code verificationCodeAtTimeout} will default to
3200     *            {@link PackageManager#VERIFICATION_REJECT}.
3201     * @param millisecondsToDelay the amount of time requested for the timeout.
3202     *            Must be positive and less than
3203     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
3204     *            {@code millisecondsToDelay} is out of bounds,
3205     *            {@code millisecondsToDelay} will be set to the closest in
3206     *            bounds value; namely, 0 or
3207     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
3208     * @throws SecurityException if the caller does not have the
3209     *            PACKAGE_VERIFICATION_AGENT permission.
3210     */
3211    public abstract void extendVerificationTimeout(int id,
3212            int verificationCodeAtTimeout, long millisecondsToDelay);
3213
3214    /**
3215     * Change the installer associated with a given package.  There are limitations
3216     * on how the installer package can be changed; in particular:
3217     * <ul>
3218     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
3219     * is not signed with the same certificate as the calling application.
3220     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
3221     * has an installer package, and that installer package is not signed with
3222     * the same certificate as the calling application.
3223     * </ul>
3224     *
3225     * @param targetPackage The installed package whose installer will be changed.
3226     * @param installerPackageName The package name of the new installer.  May be
3227     * null to clear the association.
3228     */
3229    public abstract void setInstallerPackageName(String targetPackage,
3230            String installerPackageName);
3231
3232    /**
3233     * Attempts to delete a package.  Since this may take a little while, the result will
3234     * be posted back to the given observer.  A deletion will fail if the calling context
3235     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
3236     * named package cannot be found, or if the named package is a "system package".
3237     * (TODO: include pointer to documentation on "system packages")
3238     *
3239     * @param packageName The name of the package to delete
3240     * @param observer An observer callback to get notified when the package deletion is
3241     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
3242     * called when that happens.  observer may be null to indicate that no callback is desired.
3243     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
3244     * {@link #DELETE_ALL_USERS}.
3245     *
3246     * @hide
3247     */
3248    // @SystemApi
3249    public abstract void deletePackage(
3250            String packageName, IPackageDeleteObserver observer, int flags);
3251
3252    /**
3253     * Retrieve the package name of the application that installed a package. This identifies
3254     * which market the package came from.
3255     *
3256     * @param packageName The name of the package to query
3257     */
3258    public abstract String getInstallerPackageName(String packageName);
3259
3260    /**
3261     * Attempts to clear the user data directory of an application.
3262     * Since this may take a little while, the result will
3263     * be posted back to the given observer.  A deletion will fail if the
3264     * named package cannot be found, or if the named package is a "system package".
3265     *
3266     * @param packageName The name of the package
3267     * @param observer An observer callback to get notified when the operation is finished
3268     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3269     * will be called when that happens.  observer may be null to indicate that
3270     * no callback is desired.
3271     *
3272     * @hide
3273     */
3274    public abstract void clearApplicationUserData(String packageName,
3275            IPackageDataObserver observer);
3276    /**
3277     * Attempts to delete the cache files associated with an application.
3278     * Since this may take a little while, the result will
3279     * be posted back to the given observer.  A deletion will fail if the calling context
3280     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
3281     * named package cannot be found, or if the named package is a "system package".
3282     *
3283     * @param packageName The name of the package to delete
3284     * @param observer An observer callback to get notified when the cache file deletion
3285     * is complete.
3286     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3287     * will be called when that happens.  observer may be null to indicate that
3288     * no callback is desired.
3289     *
3290     * @hide
3291     */
3292    public abstract void deleteApplicationCacheFiles(String packageName,
3293            IPackageDataObserver observer);
3294
3295    /**
3296     * Free storage by deleting LRU sorted list of cache files across
3297     * all applications. If the currently available free storage
3298     * on the device is greater than or equal to the requested
3299     * free storage, no cache files are cleared. If the currently
3300     * available storage on the device is less than the requested
3301     * free storage, some or all of the cache files across
3302     * all applications are deleted (based on last accessed time)
3303     * to increase the free storage space on the device to
3304     * the requested value. There is no guarantee that clearing all
3305     * the cache files from all applications will clear up
3306     * enough storage to achieve the desired value.
3307     * @param freeStorageSize The number of bytes of storage to be
3308     * freed by the system. Say if freeStorageSize is XX,
3309     * and the current free storage is YY,
3310     * if XX is less than YY, just return. if not free XX-YY number
3311     * of bytes if possible.
3312     * @param observer call back used to notify when
3313     * the operation is completed
3314     *
3315     * @hide
3316     */
3317    // @SystemApi
3318    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3319
3320    /**
3321     * Free storage by deleting LRU sorted list of cache files across
3322     * all applications. If the currently available free storage
3323     * on the device is greater than or equal to the requested
3324     * free storage, no cache files are cleared. If the currently
3325     * available storage on the device is less than the requested
3326     * free storage, some or all of the cache files across
3327     * all applications are deleted (based on last accessed time)
3328     * to increase the free storage space on the device to
3329     * the requested value. There is no guarantee that clearing all
3330     * the cache files from all applications will clear up
3331     * enough storage to achieve the desired value.
3332     * @param freeStorageSize The number of bytes of storage to be
3333     * freed by the system. Say if freeStorageSize is XX,
3334     * and the current free storage is YY,
3335     * if XX is less than YY, just return. if not free XX-YY number
3336     * of bytes if possible.
3337     * @param pi IntentSender call back used to
3338     * notify when the operation is completed.May be null
3339     * to indicate that no call back is desired.
3340     *
3341     * @hide
3342     */
3343    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3344
3345    /**
3346     * Retrieve the size information for a package.
3347     * Since this may take a little while, the result will
3348     * be posted back to the given observer.  The calling context
3349     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3350     *
3351     * @param packageName The name of the package whose size information is to be retrieved
3352     * @param userHandle The user whose size information should be retrieved.
3353     * @param observer An observer callback to get notified when the operation
3354     * is complete.
3355     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3356     * The observer's callback is invoked with a PackageStats object(containing the
3357     * code, data and cache sizes of the package) and a boolean value representing
3358     * the status of the operation. observer may be null to indicate that
3359     * no callback is desired.
3360     *
3361     * @hide
3362     */
3363    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3364            IPackageStatsObserver observer);
3365
3366    /**
3367     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3368     * returns the size for the calling user.
3369     *
3370     * @hide
3371     */
3372    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3373        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3374    }
3375
3376    /**
3377     * @deprecated This function no longer does anything; it was an old
3378     * approach to managing preferred activities, which has been superseded
3379     * by (and conflicts with) the modern activity-based preferences.
3380     */
3381    @Deprecated
3382    public abstract void addPackageToPreferred(String packageName);
3383
3384    /**
3385     * @deprecated This function no longer does anything; it was an old
3386     * approach to managing preferred activities, which has been superseded
3387     * by (and conflicts with) the modern activity-based preferences.
3388     */
3389    @Deprecated
3390    public abstract void removePackageFromPreferred(String packageName);
3391
3392    /**
3393     * Retrieve the list of all currently configured preferred packages.  The
3394     * first package on the list is the most preferred, the last is the
3395     * least preferred.
3396     *
3397     * @param flags Additional option flags. Use any combination of
3398     * {@link #GET_ACTIVITIES},
3399     * {@link #GET_GIDS},
3400     * {@link #GET_CONFIGURATIONS},
3401     * {@link #GET_INSTRUMENTATION},
3402     * {@link #GET_PERMISSIONS},
3403     * {@link #GET_PROVIDERS},
3404     * {@link #GET_RECEIVERS},
3405     * {@link #GET_SERVICES},
3406     * {@link #GET_SIGNATURES}, to modify the data returned.
3407     *
3408     * @return Returns a list of PackageInfo objects describing each
3409     * preferred application, in order of preference.
3410     *
3411     * @see #GET_ACTIVITIES
3412     * @see #GET_GIDS
3413     * @see #GET_CONFIGURATIONS
3414     * @see #GET_INSTRUMENTATION
3415     * @see #GET_PERMISSIONS
3416     * @see #GET_PROVIDERS
3417     * @see #GET_RECEIVERS
3418     * @see #GET_SERVICES
3419     * @see #GET_SIGNATURES
3420     */
3421    public abstract List<PackageInfo> getPreferredPackages(int flags);
3422
3423    /**
3424     * @deprecated This is a protected API that should not have been available
3425     * to third party applications.  It is the platform's responsibility for
3426     * assigning preferred activities and this cannot be directly modified.
3427     *
3428     * Add a new preferred activity mapping to the system.  This will be used
3429     * to automatically select the given activity component when
3430     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3431     * multiple matching activities and also matches the given filter.
3432     *
3433     * @param filter The set of intents under which this activity will be
3434     * made preferred.
3435     * @param match The IntentFilter match category that this preference
3436     * applies to.
3437     * @param set The set of activities that the user was picking from when
3438     * this preference was made.
3439     * @param activity The component name of the activity that is to be
3440     * preferred.
3441     */
3442    @Deprecated
3443    public abstract void addPreferredActivity(IntentFilter filter, int match,
3444            ComponentName[] set, ComponentName activity);
3445
3446    /**
3447     * Same as {@link #addPreferredActivity(IntentFilter, int,
3448            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3449            to.
3450     * @hide
3451     */
3452    public void addPreferredActivity(IntentFilter filter, int match,
3453            ComponentName[] set, ComponentName activity, int userId) {
3454        throw new RuntimeException("Not implemented. Must override in a subclass.");
3455    }
3456
3457    /**
3458     * @deprecated This is a protected API that should not have been available
3459     * to third party applications.  It is the platform's responsibility for
3460     * assigning preferred activities and this cannot be directly modified.
3461     *
3462     * Replaces an existing preferred activity mapping to the system, and if that were not present
3463     * adds a new preferred activity.  This will be used
3464     * to automatically select the given activity component when
3465     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3466     * multiple matching activities and also matches the given filter.
3467     *
3468     * @param filter The set of intents under which this activity will be
3469     * made preferred.
3470     * @param match The IntentFilter match category that this preference
3471     * applies to.
3472     * @param set The set of activities that the user was picking from when
3473     * this preference was made.
3474     * @param activity The component name of the activity that is to be
3475     * preferred.
3476     * @hide
3477     */
3478    @Deprecated
3479    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3480            ComponentName[] set, ComponentName activity);
3481
3482    /**
3483     * Remove all preferred activity mappings, previously added with
3484     * {@link #addPreferredActivity}, from the
3485     * system whose activities are implemented in the given package name.
3486     * An application can only clear its own package(s).
3487     *
3488     * @param packageName The name of the package whose preferred activity
3489     * mappings are to be removed.
3490     */
3491    public abstract void clearPackagePreferredActivities(String packageName);
3492
3493    /**
3494     * Retrieve all preferred activities, previously added with
3495     * {@link #addPreferredActivity}, that are
3496     * currently registered with the system.
3497     *
3498     * @param outFilters A list in which to place the filters of all of the
3499     * preferred activities, or null for none.
3500     * @param outActivities A list in which to place the component names of
3501     * all of the preferred activities, or null for none.
3502     * @param packageName An option package in which you would like to limit
3503     * the list.  If null, all activities will be returned; if non-null, only
3504     * those activities in the given package are returned.
3505     *
3506     * @return Returns the total number of registered preferred activities
3507     * (the number of distinct IntentFilter records, not the number of unique
3508     * activity components) that were found.
3509     */
3510    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3511            List<ComponentName> outActivities, String packageName);
3512
3513    /**
3514     * Ask for the set of available 'home' activities and the current explicit
3515     * default, if any.
3516     * @hide
3517     */
3518    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3519
3520    /**
3521     * Set the enabled setting for a package component (activity, receiver, service, provider).
3522     * This setting will override any enabled state which may have been set by the component in its
3523     * manifest.
3524     *
3525     * @param componentName The component to enable
3526     * @param newState The new enabled state for the component.  The legal values for this state
3527     *                 are:
3528     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3529     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3530     *                   and
3531     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3532     *                 The last one removes the setting, thereby restoring the component's state to
3533     *                 whatever was set in it's manifest (or enabled, by default).
3534     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3535     */
3536    public abstract void setComponentEnabledSetting(ComponentName componentName,
3537            int newState, int flags);
3538
3539
3540    /**
3541     * Return the enabled setting for a package component (activity,
3542     * receiver, service, provider).  This returns the last value set by
3543     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3544     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3545     * the value originally specified in the manifest has not been modified.
3546     *
3547     * @param componentName The component to retrieve.
3548     * @return Returns the current enabled state for the component.  May
3549     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3550     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3551     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3552     * component's enabled state is based on the original information in
3553     * the manifest as found in {@link ComponentInfo}.
3554     */
3555    public abstract int getComponentEnabledSetting(ComponentName componentName);
3556
3557    /**
3558     * Set the enabled setting for an application
3559     * This setting will override any enabled state which may have been set by the application in
3560     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3561     * application's components.  It does not override any enabled state set by
3562     * {@link #setComponentEnabledSetting} for any of the application's components.
3563     *
3564     * @param packageName The package name of the application to enable
3565     * @param newState The new enabled state for the component.  The legal values for this state
3566     *                 are:
3567     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3568     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3569     *                   and
3570     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3571     *                 The last one removes the setting, thereby restoring the applications's state to
3572     *                 whatever was set in its manifest (or enabled, by default).
3573     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3574     */
3575    public abstract void setApplicationEnabledSetting(String packageName,
3576            int newState, int flags);
3577
3578    /**
3579     * Return the enabled setting for an application. This returns
3580     * the last value set by
3581     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3582     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3583     * the value originally specified in the manifest has not been modified.
3584     *
3585     * @param packageName The package name of the application to retrieve.
3586     * @return Returns the current enabled state for the application.  May
3587     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3588     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3589     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3590     * application's enabled state is based on the original information in
3591     * the manifest as found in {@link ComponentInfo}.
3592     * @throws IllegalArgumentException if the named package does not exist.
3593     */
3594    public abstract int getApplicationEnabledSetting(String packageName);
3595
3596    /**
3597     * Puts the package in a blocked state, which is almost like an uninstalled state,
3598     * making the package unavailable, but it doesn't remove the data or the actual
3599     * package file.
3600     * @hide
3601     */
3602    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3603            UserHandle userHandle);
3604
3605    /**
3606     * Returns the blocked state of a package.
3607     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3608     * @hide
3609     */
3610    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3611            UserHandle userHandle);
3612
3613    /**
3614     * Return whether the device has been booted into safe mode.
3615     */
3616    public abstract boolean isSafeMode();
3617
3618    /**
3619     * Return the {@link KeySet} associated with the String alias for this
3620     * application.
3621     *
3622     * @param alias The alias for a given {@link KeySet} as defined in the
3623     *        application's AndroidManifest.xml.
3624     */
3625    public abstract KeySet getKeySetByAlias(String packageName, String alias);
3626
3627    /** Return the signing {@link KeySet} for this application. */
3628    public abstract KeySet getSigningKeySet(String packageName);
3629
3630    /**
3631     * Return whether the package denoted by packageName has been signed by all
3632     * of the keys specified by the {@link KeySet} ks.  This will return true if
3633     * the package has been signed by additional keys (a superset) as well.
3634     * Compare to {@link #isSignedByExactly(String packageName, KeySet ks)}.
3635     */
3636    public abstract boolean isSignedBy(String packageName, KeySet ks);
3637
3638    /**
3639     * Return whether the package denoted by packageName has been signed by all
3640     * of, and only, the keys specified by the {@link KeySet} ks. Compare to
3641     * {@link #isSignedBy(String packageName, KeySet ks)}.
3642     */
3643    public abstract boolean isSignedByExactly(String packageName, KeySet ks);
3644
3645    /**
3646     * Attempts to move package resources from internal to external media or vice versa.
3647     * Since this may take a little while, the result will
3648     * be posted back to the given observer.   This call may fail if the calling context
3649     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3650     * named package cannot be found, or if the named package is a "system package".
3651     *
3652     * @param packageName The name of the package to delete
3653     * @param observer An observer callback to get notified when the package move is
3654     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3655     * called when that happens.  observer may be null to indicate that no callback is desired.
3656     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3657     * {@link #MOVE_EXTERNAL_MEDIA}
3658     *
3659     * @hide
3660     */
3661    public abstract void movePackage(
3662            String packageName, IPackageMoveObserver observer, int flags);
3663
3664    /**
3665     * Returns the device identity that verifiers can use to associate their scheme to a particular
3666     * device. This should not be used by anything other than a package verifier.
3667     *
3668     * @return identity that uniquely identifies current device
3669     * @hide
3670     */
3671    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3672
3673    /**
3674     * Return interface that offers the ability to install, upgrade, and remove
3675     * applications on the device.
3676     */
3677    public abstract PackageInstaller getInstaller();
3678
3679    /**
3680     * Returns the data directory for a particular user and package, given the uid of the package.
3681     * @param uid uid of the package, including the userId and appId
3682     * @param packageName name of the package
3683     * @return the user-specific data directory for the package
3684     * @hide
3685     */
3686    public static String getDataDirForUser(int userId, String packageName) {
3687        // TODO: This should be shared with Installer's knowledge of user directory
3688        return Environment.getDataDirectory().toString() + "/user/" + userId
3689                + "/" + packageName;
3690    }
3691
3692    /**
3693     * Adds a {@link CrossProfileIntentFilter}. After calling this method all intents sent from the
3694     * user with id sourceUserId can also be be resolved by activities in the user with id
3695     * targetUserId if they match the specified intent filter.
3696     * @param filter the {@link IntentFilter} the intent has to match
3697     * @param removable if set to false, {@link clearCrossProfileIntentFilters} will not remove this
3698     * {@link CrossProfileIntentFilter}
3699     * @hide
3700     */
3701    public abstract void addCrossProfileIntentFilter(IntentFilter filter, int sourceUserId,
3702            int targetUserId, int flags);
3703
3704    /**
3705     * Clearing {@link CrossProfileIntentFilter}s which have the specified user as their
3706     * source, and have been set by the profile owner
3707     * @param sourceUserId
3708     * @hide
3709     */
3710    public abstract void clearCrossProfileIntentFilters(int sourceUserId);
3711
3712    /**
3713     * Forwards all intents for {@link packageName} for user {@link sourceUserId} to user
3714     * {@link targetUserId}.
3715     * @hide
3716     */
3717    public abstract void addCrossProfileIntentsForPackage(String packageName,
3718            int sourceUserId, int targetUserId);
3719    /**
3720     * @hide
3721     */
3722    public abstract Drawable loadItemIcon(PackageItemInfo itemInfo, ApplicationInfo appInfo);
3723
3724    /** {@hide} */
3725    public abstract boolean isPackageAvailable(String packageName);
3726}
3727