PackageManager.java revision d2794789c8ddcdb5876bb7c609438aac6edd2bfe
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 has a telephony radio with data
1171     * communication support.
1172     */
1173    @SdkConstant(SdkConstantType.FEATURE)
1174    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1175
1176    /**
1177     * Feature for {@link #getSystemAvailableFeatures} and
1178     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1179     */
1180    @SdkConstant(SdkConstantType.FEATURE)
1181    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1182
1183    /**
1184     * Feature for {@link #getSystemAvailableFeatures} and
1185     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1186     */
1187    @SdkConstant(SdkConstantType.FEATURE)
1188    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1189
1190    /**
1191     * Feature for {@link #getSystemAvailableFeatures} and
1192     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1193     * as the USB host.
1194     */
1195    @SdkConstant(SdkConstantType.FEATURE)
1196    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1197
1198    /**
1199     * Feature for {@link #getSystemAvailableFeatures} and
1200     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1201     */
1202    @SdkConstant(SdkConstantType.FEATURE)
1203    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1204
1205    /**
1206     * Feature for {@link #getSystemAvailableFeatures} and
1207     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1208     */
1209    @SdkConstant(SdkConstantType.FEATURE)
1210    public static final String FEATURE_SIP = "android.software.sip";
1211
1212    /**
1213     * Feature for {@link #getSystemAvailableFeatures} and
1214     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1215     */
1216    @SdkConstant(SdkConstantType.FEATURE)
1217    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1218
1219    /**
1220     * Feature for {@link #getSystemAvailableFeatures} and
1221     * {@link #hasSystemFeature}: The device's display has a touch screen.
1222     */
1223    @SdkConstant(SdkConstantType.FEATURE)
1224    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1225
1226
1227    /**
1228     * Feature for {@link #getSystemAvailableFeatures} and
1229     * {@link #hasSystemFeature}: The device's touch screen supports
1230     * multitouch sufficient for basic two-finger gesture detection.
1231     */
1232    @SdkConstant(SdkConstantType.FEATURE)
1233    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1234
1235    /**
1236     * Feature for {@link #getSystemAvailableFeatures} and
1237     * {@link #hasSystemFeature}: The device's touch screen is capable of
1238     * tracking two or more fingers fully independently.
1239     */
1240    @SdkConstant(SdkConstantType.FEATURE)
1241    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1242
1243    /**
1244     * Feature for {@link #getSystemAvailableFeatures} and
1245     * {@link #hasSystemFeature}: The device's touch screen is capable of
1246     * tracking a full hand of fingers fully independently -- that is, 5 or
1247     * more simultaneous independent pointers.
1248     */
1249    @SdkConstant(SdkConstantType.FEATURE)
1250    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1251
1252    /**
1253     * Feature for {@link #getSystemAvailableFeatures} and
1254     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1255     * does support touch emulation for basic events. For instance, the
1256     * device might use a mouse or remote control to drive a cursor, and
1257     * emulate basic touch pointer events like down, up, drag, etc. All
1258     * devices that support android.hardware.touchscreen or a sub-feature are
1259     * presumed to also support faketouch.
1260     */
1261    @SdkConstant(SdkConstantType.FEATURE)
1262    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1263
1264    /**
1265     * Feature for {@link #getSystemAvailableFeatures} and
1266     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1267     * does support touch emulation for basic events that supports distinct
1268     * tracking of two or more fingers.  This is an extension of
1269     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1270     * that unlike a distinct multitouch screen as defined by
1271     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1272     * devices will not actually provide full two-finger gestures since the
1273     * input is being transformed to cursor movement on the screen.  That is,
1274     * single finger gestures will move a cursor; two-finger swipes will
1275     * result in single-finger touch events; other two-finger gestures will
1276     * result in the corresponding two-finger touch event.
1277     */
1278    @SdkConstant(SdkConstantType.FEATURE)
1279    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1280
1281    /**
1282     * Feature for {@link #getSystemAvailableFeatures} and
1283     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1284     * does support touch emulation for basic events that supports tracking
1285     * a hand of fingers (5 or more fingers) fully independently.
1286     * This is an extension of
1287     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1288     * that unlike a multitouch screen as defined by
1289     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1290     * gestures can be detected due to the limitations described for
1291     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1292     */
1293    @SdkConstant(SdkConstantType.FEATURE)
1294    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1295
1296    /**
1297     * Feature for {@link #getSystemAvailableFeatures} and
1298     * {@link #hasSystemFeature}: The device supports portrait orientation
1299     * screens.  For backwards compatibility, you can assume that if neither
1300     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1301     * both portrait and landscape.
1302     */
1303    @SdkConstant(SdkConstantType.FEATURE)
1304    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1305
1306    /**
1307     * Feature for {@link #getSystemAvailableFeatures} and
1308     * {@link #hasSystemFeature}: The device supports landscape orientation
1309     * screens.  For backwards compatibility, you can assume that if neither
1310     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1311     * both portrait and landscape.
1312     */
1313    @SdkConstant(SdkConstantType.FEATURE)
1314    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1315
1316    /**
1317     * Feature for {@link #getSystemAvailableFeatures} and
1318     * {@link #hasSystemFeature}: The device supports live wallpapers.
1319     */
1320    @SdkConstant(SdkConstantType.FEATURE)
1321    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1322    /**
1323     * Feature for {@link #getSystemAvailableFeatures} and
1324     * {@link #hasSystemFeature}: The device supports app widgets.
1325     */
1326    @SdkConstant(SdkConstantType.FEATURE)
1327    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1328
1329    /**
1330     * @hide
1331     * Feature for {@link #getSystemAvailableFeatures} and
1332     * {@link #hasSystemFeature}: The device supports
1333     * {@link android.service.voice.VoiceInteractionService} and
1334     * {@link android.app.VoiceInteractor}.
1335     */
1336    @SdkConstant(SdkConstantType.FEATURE)
1337    public static final String FEATURE_VOICE_RECOGNIZERS = "android.software.voice_recognizers";
1338
1339
1340    /**
1341     * Feature for {@link #getSystemAvailableFeatures} and
1342     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1343     * by third party applications.
1344     */
1345    @SdkConstant(SdkConstantType.FEATURE)
1346    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1347
1348    /**
1349     * Feature for {@link #getSystemAvailableFeatures} and
1350     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1351     * with the {@link android.inputmethodservice.InputMethodService} API.
1352     */
1353    @SdkConstant(SdkConstantType.FEATURE)
1354    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1355
1356    /**
1357     * Feature for {@link #getSystemAvailableFeatures} and
1358     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1359     */
1360    @SdkConstant(SdkConstantType.FEATURE)
1361    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1362
1363    /**
1364     * Feature for {@link #getSystemAvailableFeatures} and
1365     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1366     * typically used in a living room television experience, but is a software
1367     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1368     * feature will use resources associated with the "television" UI mode.
1369     */
1370    @SdkConstant(SdkConstantType.FEATURE)
1371    public static final String FEATURE_LEANBACK = "android.software.leanback";
1372
1373    /**
1374     * Feature for {@link #getSystemAvailableFeatures} and
1375     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1376     * applications designed for this experience should be run, though this is
1377     * not enforced by the system.
1378     * @hide
1379     */
1380    @SdkConstant(SdkConstantType.FEATURE)
1381    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1382
1383    /**
1384     * Feature for {@link #getSystemAvailableFeatures} and
1385     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1386     */
1387    @SdkConstant(SdkConstantType.FEATURE)
1388    public static final String FEATURE_WIFI = "android.hardware.wifi";
1389
1390    /**
1391     * Feature for {@link #getSystemAvailableFeatures} and
1392     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1393     */
1394    @SdkConstant(SdkConstantType.FEATURE)
1395    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1396
1397    /**
1398     * Feature for {@link #getSystemAvailableFeatures} and
1399     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1400     * on a television.  Television here is defined to be a typical living
1401     * room television experience: displayed on a big screen, where the user
1402     * is sitting far away from it, and the dominant form of input will be
1403     * something like a DPAD, not through touch or mouse.
1404     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1405     */
1406    @Deprecated
1407    @SdkConstant(SdkConstantType.FEATURE)
1408    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1409
1410    /**
1411     * Feature for {@link #getSystemAvailableFeatures} and
1412     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1413     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1414     * the wrist. The user is very close when interacting with the device.
1415     */
1416    @SdkConstant(SdkConstantType.FEATURE)
1417    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1418
1419    /**
1420     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1421     * The device supports printing.
1422     */
1423    @SdkConstant(SdkConstantType.FEATURE)
1424    public static final String FEATURE_PRINTING = "android.software.print";
1425
1426    /**
1427     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1428     * The device can perform backup and restore operations on installed applications.
1429     */
1430    @SdkConstant(SdkConstantType.FEATURE)
1431    public static final String FEATURE_BACKUP = "android.software.backup";
1432
1433    /**
1434     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1435     * The device supports managed profiles for enterprise users.
1436     */
1437    @SdkConstant(SdkConstantType.FEATURE)
1438    public static final String FEATURE_MANAGED_PROFILES = "android.software.managed_profiles";
1439
1440    /**
1441     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1442     * The device has a full implementation of the android.webkit.* APIs. Devices
1443     * lacking this feature will not have a functioning WebView implementation.
1444     */
1445    @SdkConstant(SdkConstantType.FEATURE)
1446    public static final String FEATURE_WEBVIEW = "android.software.webview";
1447
1448    /**
1449     * Feature for {@link #getSystemAvailableFeatures} and
1450     * {@link #hasSystemFeature}: This device supports ethernet.
1451     * @hide
1452     */
1453    @SdkConstant(SdkConstantType.FEATURE)
1454    public static final String FEATURE_ETHERNET = "android.hardware.ethernet";
1455
1456    /**
1457     * Feature for {@link #getSystemAvailableFeatures} and
1458     * {@link #hasSystemFeature}: This device supports HDMI-CEC.
1459     * @hide
1460     */
1461    @SdkConstant(SdkConstantType.FEATURE)
1462    public static final String FEATURE_HDMI_CEC = "android.hardware.hdmi.cec";
1463
1464    /**
1465     * Action to external storage service to clean out removed apps.
1466     * @hide
1467     */
1468    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1469            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1470
1471    /**
1472     * Extra field name for the URI to a verification file. Passed to a package
1473     * verifier.
1474     *
1475     * @hide
1476     */
1477    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1478
1479    /**
1480     * Extra field name for the ID of a package pending verification. Passed to
1481     * a package verifier and is used to call back to
1482     * {@link PackageManager#verifyPendingInstall(int, int)}
1483     */
1484    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1485
1486    /**
1487     * Extra field name for the package identifier which is trying to install
1488     * the package.
1489     *
1490     * @hide
1491     */
1492    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1493            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1494
1495    /**
1496     * Extra field name for the requested install flags for a package pending
1497     * verification. Passed to a package verifier.
1498     *
1499     * @hide
1500     */
1501    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1502            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1503
1504    /**
1505     * Extra field name for the uid of who is requesting to install
1506     * the package.
1507     *
1508     * @hide
1509     */
1510    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1511            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1512
1513    /**
1514     * Extra field name for the package name of a package pending verification.
1515     *
1516     * @hide
1517     */
1518    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1519            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1520    /**
1521     * Extra field name for the result of a verification, either
1522     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1523     * Passed to package verifiers after a package is verified.
1524     */
1525    public static final String EXTRA_VERIFICATION_RESULT
1526            = "android.content.pm.extra.VERIFICATION_RESULT";
1527
1528    /**
1529     * Extra field name for the version code of a package pending verification.
1530     *
1531     * @hide
1532     */
1533    public static final String EXTRA_VERIFICATION_VERSION_CODE
1534            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1535
1536    /**
1537     * The action used to request that the user approve a permission request
1538     * from the application.
1539     *
1540     * @hide
1541     */
1542    public static final String ACTION_REQUEST_PERMISSION
1543            = "android.content.pm.action.REQUEST_PERMISSION";
1544
1545    /**
1546     * Extra field name for the list of permissions, which the user must approve.
1547     *
1548     * @hide
1549     */
1550    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1551            = "android.content.pm.extra.PERMISSION_LIST";
1552
1553    /**
1554     * String extra for {@link PackageInstallObserver} in the 'extras' Bundle in case of
1555     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the package which provides
1556     * the existing definition for the permission.
1557     * @hide
1558     */
1559    public static final String EXTRA_FAILURE_EXISTING_PACKAGE
1560            = "android.content.pm.extra.FAILURE_EXISTING_PACKAGE";
1561
1562    /**
1563     * String extra for {@link PackageInstallObserver} in the 'extras' Bundle in case of
1564     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the permission that is
1565     * being redundantly defined by the package being installed.
1566     * @hide
1567     */
1568    public static final String EXTRA_FAILURE_EXISTING_PERMISSION
1569            = "android.content.pm.extra.FAILURE_EXISTING_PERMISSION";
1570
1571    /**
1572     * Retrieve overall information about an application package that is
1573     * installed on the system.
1574     * <p>
1575     * Throws {@link NameNotFoundException} if a package with the given name can
1576     * not be found on the system.
1577     *
1578     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1579     *            desired package.
1580     * @param flags Additional option flags. Use any combination of
1581     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1582     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1583     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1584     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1585     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1586     *            modify the data returned.
1587     * @return Returns a PackageInfo object containing information about the
1588     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1589     *         package is not found in the list of installed applications, the
1590     *         package information is retrieved from the list of uninstalled
1591     *         applications (which includes installed applications as well as
1592     *         applications with data directory i.e. applications which had been
1593     *         deleted with {@code DONT_DELETE_DATA} flag set).
1594     * @see #GET_ACTIVITIES
1595     * @see #GET_GIDS
1596     * @see #GET_CONFIGURATIONS
1597     * @see #GET_INSTRUMENTATION
1598     * @see #GET_PERMISSIONS
1599     * @see #GET_PROVIDERS
1600     * @see #GET_RECEIVERS
1601     * @see #GET_SERVICES
1602     * @see #GET_SIGNATURES
1603     * @see #GET_UNINSTALLED_PACKAGES
1604     */
1605    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1606            throws NameNotFoundException;
1607
1608    /**
1609     * Map from the current package names in use on the device to whatever
1610     * the current canonical name of that package is.
1611     * @param names Array of current names to be mapped.
1612     * @return Returns an array of the same size as the original, containing
1613     * the canonical name for each package.
1614     */
1615    public abstract String[] currentToCanonicalPackageNames(String[] names);
1616
1617    /**
1618     * Map from a packages canonical name to the current name in use on the device.
1619     * @param names Array of new names to be mapped.
1620     * @return Returns an array of the same size as the original, containing
1621     * the current name for each package.
1622     */
1623    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1624
1625    /**
1626     * Return a "good" intent to launch a front-door activity in a package,
1627     * for use for example to implement an "open" button when browsing through
1628     * packages.  The current implementation will look first for a main
1629     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1630     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1631     * null if neither are found.
1632     *
1633     * <p>Throws {@link NameNotFoundException} if a package with the given
1634     * name cannot be found on the system.
1635     *
1636     * @param packageName The name of the package to inspect.
1637     *
1638     * @return Returns either a fully-qualified Intent that can be used to
1639     * launch the main activity in the package, or null if the package does
1640     * not contain such an activity.
1641     */
1642    public abstract Intent getLaunchIntentForPackage(String packageName);
1643
1644    /**
1645     * Return a "good" intent to launch a front-door Leanback activity in a
1646     * package, for use for example to implement an "open" button when browsing
1647     * through packages. The current implementation will look for a main
1648     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1649     * return null if no main leanback activities are found.
1650     * <p>
1651     * Throws {@link NameNotFoundException} if a package with the given name
1652     * cannot be found on the system.
1653     *
1654     * @param packageName The name of the package to inspect.
1655     * @return Returns either a fully-qualified Intent that can be used to launch
1656     *         the main Leanback activity in the package, or null if the package
1657     *         does not contain such an activity.
1658     */
1659    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1660
1661    /**
1662     * Return an array of all of the secondary group-ids that have been assigned
1663     * to a package.
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 full name (i.e. com.google.apps.contacts) of the
1669     *            desired package.
1670     * @return Returns an int array of the assigned gids, or null if there are
1671     *         none.
1672     */
1673    public abstract int[] getPackageGids(String packageName)
1674            throws NameNotFoundException;
1675
1676    /**
1677     * @hide Return the uid associated with the given package name for the
1678     * given user.
1679     *
1680     * <p>Throws {@link NameNotFoundException} if a package with the given
1681     * name can not be found on the system.
1682     *
1683     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1684     *                    desired package.
1685     * @param userHandle The user handle identifier to look up the package under.
1686     *
1687     * @return Returns an integer uid who owns the given package name.
1688     */
1689    public abstract int getPackageUid(String packageName, int userHandle)
1690            throws NameNotFoundException;
1691
1692    /**
1693     * Retrieve all of the information we know about a particular permission.
1694     *
1695     * <p>Throws {@link NameNotFoundException} if a permission with the given
1696     * name cannot be found on the system.
1697     *
1698     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1699     *             of the permission you are interested in.
1700     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1701     * retrieve any meta-data associated with the permission.
1702     *
1703     * @return Returns a {@link PermissionInfo} containing information about the
1704     *         permission.
1705     */
1706    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1707            throws NameNotFoundException;
1708
1709    /**
1710     * Query for all of the permissions associated with a particular group.
1711     *
1712     * <p>Throws {@link NameNotFoundException} if the given group does not
1713     * exist.
1714     *
1715     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1716     *             of the permission group you are interested in.  Use null to
1717     *             find all of the permissions not associated with a group.
1718     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1719     * retrieve any meta-data associated with the permissions.
1720     *
1721     * @return Returns a list of {@link PermissionInfo} containing information
1722     * about all of the permissions in the given group.
1723     */
1724    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1725            int flags) throws NameNotFoundException;
1726
1727    /**
1728     * Retrieve all of the information we know about a particular group of
1729     * permissions.
1730     *
1731     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1732     * name cannot be found on the system.
1733     *
1734     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1735     *             of the permission you are interested in.
1736     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1737     * retrieve any meta-data associated with the permission group.
1738     *
1739     * @return Returns a {@link PermissionGroupInfo} containing information
1740     * about the permission.
1741     */
1742    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1743            int flags) throws NameNotFoundException;
1744
1745    /**
1746     * Retrieve all of the known permission groups in the system.
1747     *
1748     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1749     * retrieve any meta-data associated with the permission group.
1750     *
1751     * @return Returns a list of {@link PermissionGroupInfo} containing
1752     * information about all of the known permission groups.
1753     */
1754    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1755
1756    /**
1757     * Retrieve all of the information we know about a particular
1758     * package/application.
1759     *
1760     * <p>Throws {@link NameNotFoundException} if an application with the given
1761     * package name cannot be found on the system.
1762     *
1763     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1764     *                    application.
1765     * @param flags Additional option flags. Use any combination of
1766     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1767     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1768     *
1769     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1770     *         information about the package.
1771     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1772     *         found in the list of installed applications,
1773     *         the application information is retrieved from the
1774     *         list of uninstalled applications(which includes
1775     *         installed applications as well as applications
1776     *         with data directory ie applications which had been
1777     *         deleted with {@code DONT_DELETE_DATA} flag set).
1778     *
1779     * @see #GET_META_DATA
1780     * @see #GET_SHARED_LIBRARY_FILES
1781     * @see #GET_UNINSTALLED_PACKAGES
1782     */
1783    public abstract ApplicationInfo getApplicationInfo(String packageName,
1784            int flags) throws NameNotFoundException;
1785
1786    /**
1787     * Retrieve all of the information we know about a particular activity
1788     * class.
1789     *
1790     * <p>Throws {@link NameNotFoundException} if an activity with the given
1791     * class name cannot be found on the system.
1792     *
1793     * @param component The full component name (i.e.
1794     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1795     * class.
1796     * @param flags Additional option flags. Use any combination of
1797     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1798     * to modify the data (in ApplicationInfo) returned.
1799     *
1800     * @return {@link ActivityInfo} containing information about the activity.
1801     *
1802     * @see #GET_INTENT_FILTERS
1803     * @see #GET_META_DATA
1804     * @see #GET_SHARED_LIBRARY_FILES
1805     */
1806    public abstract ActivityInfo getActivityInfo(ComponentName component,
1807            int flags) throws NameNotFoundException;
1808
1809    /**
1810     * Retrieve all of the information we know about a particular receiver
1811     * class.
1812     *
1813     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1814     * class name cannot be found on the system.
1815     *
1816     * @param component The full component name (i.e.
1817     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1818     * class.
1819     * @param flags Additional option flags.  Use any combination of
1820     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1821     * to modify the data returned.
1822     *
1823     * @return {@link ActivityInfo} containing information about the receiver.
1824     *
1825     * @see #GET_INTENT_FILTERS
1826     * @see #GET_META_DATA
1827     * @see #GET_SHARED_LIBRARY_FILES
1828     */
1829    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1830            int flags) throws NameNotFoundException;
1831
1832    /**
1833     * Retrieve all of the information we know about a particular service
1834     * class.
1835     *
1836     * <p>Throws {@link NameNotFoundException} if a service with the given
1837     * class name cannot be found on the system.
1838     *
1839     * @param component The full component name (i.e.
1840     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1841     * class.
1842     * @param flags Additional option flags.  Use any combination of
1843     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1844     * to modify the data returned.
1845     *
1846     * @return ServiceInfo containing information about the service.
1847     *
1848     * @see #GET_META_DATA
1849     * @see #GET_SHARED_LIBRARY_FILES
1850     */
1851    public abstract ServiceInfo getServiceInfo(ComponentName component,
1852            int flags) throws NameNotFoundException;
1853
1854    /**
1855     * Retrieve all of the information we know about a particular content
1856     * provider class.
1857     *
1858     * <p>Throws {@link NameNotFoundException} if a provider with the given
1859     * class name cannot be found on the system.
1860     *
1861     * @param component The full component name (i.e.
1862     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1863     * ContentProvider class.
1864     * @param flags Additional option flags.  Use any combination of
1865     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1866     * to modify the data returned.
1867     *
1868     * @return ProviderInfo containing information about the service.
1869     *
1870     * @see #GET_META_DATA
1871     * @see #GET_SHARED_LIBRARY_FILES
1872     */
1873    public abstract ProviderInfo getProviderInfo(ComponentName component,
1874            int flags) throws NameNotFoundException;
1875
1876    /**
1877     * Return a List of all packages that are installed
1878     * on the device.
1879     *
1880     * @param flags Additional option flags. Use any combination of
1881     * {@link #GET_ACTIVITIES},
1882     * {@link #GET_GIDS},
1883     * {@link #GET_CONFIGURATIONS},
1884     * {@link #GET_INSTRUMENTATION},
1885     * {@link #GET_PERMISSIONS},
1886     * {@link #GET_PROVIDERS},
1887     * {@link #GET_RECEIVERS},
1888     * {@link #GET_SERVICES},
1889     * {@link #GET_SIGNATURES},
1890     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1891     *
1892     * @return A List of PackageInfo objects, one for each package that is
1893     *         installed on the device.  In the unlikely case of there being no
1894     *         installed packages, an empty list is returned.
1895     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1896     *         applications including those deleted with {@code DONT_DELETE_DATA}
1897     *         (partially installed apps with data directory) will be returned.
1898     *
1899     * @see #GET_ACTIVITIES
1900     * @see #GET_GIDS
1901     * @see #GET_CONFIGURATIONS
1902     * @see #GET_INSTRUMENTATION
1903     * @see #GET_PERMISSIONS
1904     * @see #GET_PROVIDERS
1905     * @see #GET_RECEIVERS
1906     * @see #GET_SERVICES
1907     * @see #GET_SIGNATURES
1908     * @see #GET_UNINSTALLED_PACKAGES
1909     */
1910    public abstract List<PackageInfo> getInstalledPackages(int flags);
1911
1912    /**
1913     * Return a List of all installed packages that are currently
1914     * holding any of the given permissions.
1915     *
1916     * @param flags Additional option flags. Use any combination of
1917     * {@link #GET_ACTIVITIES},
1918     * {@link #GET_GIDS},
1919     * {@link #GET_CONFIGURATIONS},
1920     * {@link #GET_INSTRUMENTATION},
1921     * {@link #GET_PERMISSIONS},
1922     * {@link #GET_PROVIDERS},
1923     * {@link #GET_RECEIVERS},
1924     * {@link #GET_SERVICES},
1925     * {@link #GET_SIGNATURES},
1926     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1927     *
1928     * @return Returns a List of PackageInfo objects, one for each installed
1929     * application that is holding any of the permissions that were provided.
1930     *
1931     * @see #GET_ACTIVITIES
1932     * @see #GET_GIDS
1933     * @see #GET_CONFIGURATIONS
1934     * @see #GET_INSTRUMENTATION
1935     * @see #GET_PERMISSIONS
1936     * @see #GET_PROVIDERS
1937     * @see #GET_RECEIVERS
1938     * @see #GET_SERVICES
1939     * @see #GET_SIGNATURES
1940     * @see #GET_UNINSTALLED_PACKAGES
1941     */
1942    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1943            String[] permissions, int flags);
1944
1945    /**
1946     * Return a List of all packages that are installed on the device, for a specific user.
1947     * Requesting a list of installed packages for another user
1948     * will require the permission INTERACT_ACROSS_USERS_FULL.
1949     * @param flags Additional option flags. Use any combination of
1950     * {@link #GET_ACTIVITIES},
1951     * {@link #GET_GIDS},
1952     * {@link #GET_CONFIGURATIONS},
1953     * {@link #GET_INSTRUMENTATION},
1954     * {@link #GET_PERMISSIONS},
1955     * {@link #GET_PROVIDERS},
1956     * {@link #GET_RECEIVERS},
1957     * {@link #GET_SERVICES},
1958     * {@link #GET_SIGNATURES},
1959     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1960     * @param userId The user for whom the installed packages are to be listed
1961     *
1962     * @return A List of PackageInfo objects, one for each package that is
1963     *         installed on the device.  In the unlikely case of there being no
1964     *         installed packages, an empty list is returned.
1965     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1966     *         applications including those deleted with {@code DONT_DELETE_DATA}
1967     *         (partially installed apps with data directory) will be returned.
1968     *
1969     * @see #GET_ACTIVITIES
1970     * @see #GET_GIDS
1971     * @see #GET_CONFIGURATIONS
1972     * @see #GET_INSTRUMENTATION
1973     * @see #GET_PERMISSIONS
1974     * @see #GET_PROVIDERS
1975     * @see #GET_RECEIVERS
1976     * @see #GET_SERVICES
1977     * @see #GET_SIGNATURES
1978     * @see #GET_UNINSTALLED_PACKAGES
1979     *
1980     * @hide
1981     */
1982    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1983
1984    /**
1985     * Check whether a particular package has been granted a particular
1986     * permission.
1987     *
1988     * @param permName The name of the permission you are checking for,
1989     * @param pkgName The name of the package you are checking against.
1990     *
1991     * @return If the package has the permission, PERMISSION_GRANTED is
1992     * returned.  If it does not have the permission, PERMISSION_DENIED
1993     * is returned.
1994     *
1995     * @see #PERMISSION_GRANTED
1996     * @see #PERMISSION_DENIED
1997     */
1998    public abstract int checkPermission(String permName, String pkgName);
1999
2000    /**
2001     * Add a new dynamic permission to the system.  For this to work, your
2002     * package must have defined a permission tree through the
2003     * {@link android.R.styleable#AndroidManifestPermissionTree
2004     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
2005     * permissions to trees that were defined by either its own package or
2006     * another with the same user id; a permission is in a tree if it
2007     * matches the name of the permission tree + ".": for example,
2008     * "com.foo.bar" is a member of the permission tree "com.foo".
2009     *
2010     * <p>It is good to make your permission tree name descriptive, because you
2011     * are taking possession of that entire set of permission names.  Thus, it
2012     * must be under a domain you control, with a suffix that will not match
2013     * any normal permissions that may be declared in any applications that
2014     * are part of that domain.
2015     *
2016     * <p>New permissions must be added before
2017     * any .apks are installed that use those permissions.  Permissions you
2018     * add through this method are remembered across reboots of the device.
2019     * If the given permission already exists, the info you supply here
2020     * will be used to update it.
2021     *
2022     * @param info Description of the permission to be added.
2023     *
2024     * @return Returns true if a new permission was created, false if an
2025     * existing one was updated.
2026     *
2027     * @throws SecurityException if you are not allowed to add the
2028     * given permission name.
2029     *
2030     * @see #removePermission(String)
2031     */
2032    public abstract boolean addPermission(PermissionInfo info);
2033
2034    /**
2035     * Like {@link #addPermission(PermissionInfo)} but asynchronously
2036     * persists the package manager state after returning from the call,
2037     * allowing it to return quicker and batch a series of adds at the
2038     * expense of no guarantee the added permission will be retained if
2039     * the device is rebooted before it is written.
2040     */
2041    public abstract boolean addPermissionAsync(PermissionInfo info);
2042
2043    /**
2044     * Removes a permission that was previously added with
2045     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
2046     * -- you are only allowed to remove permissions that you are allowed
2047     * to add.
2048     *
2049     * @param name The name of the permission to remove.
2050     *
2051     * @throws SecurityException if you are not allowed to remove the
2052     * given permission name.
2053     *
2054     * @see #addPermission(PermissionInfo)
2055     */
2056    public abstract void removePermission(String name);
2057
2058    /**
2059     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
2060     * which prompts the user to grant {@code permissions} to this application.
2061     * @hide
2062     *
2063     * @throws NullPointerException if {@code permissions} is {@code null}.
2064     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
2065     */
2066    public Intent buildPermissionRequestIntent(String... permissions) {
2067        if (permissions == null) {
2068            throw new NullPointerException("permissions cannot be null");
2069        }
2070        for (String permission : permissions) {
2071            if (permission == null) {
2072                throw new IllegalArgumentException("permissions cannot contain null");
2073            }
2074        }
2075
2076        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
2077        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
2078        i.setPackage("com.android.packageinstaller");
2079        return i;
2080    }
2081
2082    /**
2083     * Grant a permission to an application which the application does not
2084     * already have.  The permission must have been requested by the application,
2085     * but as an optional permission.  If the application is not allowed to
2086     * hold the permission, a SecurityException is thrown.
2087     * @hide
2088     *
2089     * @param packageName The name of the package that the permission will be
2090     * granted to.
2091     * @param permissionName The name of the permission.
2092     */
2093    public abstract void grantPermission(String packageName, String permissionName);
2094
2095    /**
2096     * Revoke a permission that was previously granted by {@link #grantPermission}.
2097     * @hide
2098     *
2099     * @param packageName The name of the package that the permission will be
2100     * granted to.
2101     * @param permissionName The name of the permission.
2102     */
2103    public abstract void revokePermission(String packageName, String permissionName);
2104
2105    /**
2106     * Compare the signatures of two packages to determine if the same
2107     * signature appears in both of them.  If they do contain the same
2108     * signature, then they are allowed special privileges when working
2109     * with each other: they can share the same user-id, run instrumentation
2110     * against each other, etc.
2111     *
2112     * @param pkg1 First package name whose signature will be compared.
2113     * @param pkg2 Second package name whose signature will be compared.
2114     *
2115     * @return Returns an integer indicating whether all signatures on the
2116     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2117     * all signatures match or < 0 if there is not a match ({@link
2118     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2119     *
2120     * @see #checkSignatures(int, int)
2121     * @see #SIGNATURE_MATCH
2122     * @see #SIGNATURE_NO_MATCH
2123     * @see #SIGNATURE_UNKNOWN_PACKAGE
2124     */
2125    public abstract int checkSignatures(String pkg1, String pkg2);
2126
2127    /**
2128     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
2129     * the two packages to be checked.  This can be useful, for example,
2130     * when doing the check in an IPC, where the UID is the only identity
2131     * available.  It is functionally identical to determining the package
2132     * associated with the UIDs and checking their signatures.
2133     *
2134     * @param uid1 First UID whose signature will be compared.
2135     * @param uid2 Second UID whose signature will be compared.
2136     *
2137     * @return Returns an integer indicating whether all signatures on the
2138     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2139     * all signatures match or < 0 if there is not a match ({@link
2140     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2141     *
2142     * @see #checkSignatures(String, String)
2143     * @see #SIGNATURE_MATCH
2144     * @see #SIGNATURE_NO_MATCH
2145     * @see #SIGNATURE_UNKNOWN_PACKAGE
2146     */
2147    public abstract int checkSignatures(int uid1, int uid2);
2148
2149    /**
2150     * Retrieve the names of all packages that are associated with a particular
2151     * user id.  In most cases, this will be a single package name, the package
2152     * that has been assigned that user id.  Where there are multiple packages
2153     * sharing the same user id through the "sharedUserId" mechanism, all
2154     * packages with that id will be returned.
2155     *
2156     * @param uid The user id for which you would like to retrieve the
2157     * associated packages.
2158     *
2159     * @return Returns an array of one or more packages assigned to the user
2160     * id, or null if there are no known packages with the given id.
2161     */
2162    public abstract String[] getPackagesForUid(int uid);
2163
2164    /**
2165     * Retrieve the official name associated with a user id.  This name is
2166     * guaranteed to never change, though it is possibly for the underlying
2167     * user id to be changed.  That is, if you are storing information about
2168     * user ids in persistent storage, you should use the string returned
2169     * by this function instead of the raw user-id.
2170     *
2171     * @param uid The user id for which you would like to retrieve a name.
2172     * @return Returns a unique name for the given user id, or null if the
2173     * user id is not currently assigned.
2174     */
2175    public abstract String getNameForUid(int uid);
2176
2177    /**
2178     * Return the user id associated with a shared user name. Multiple
2179     * applications can specify a shared user name in their manifest and thus
2180     * end up using a common uid. This might be used for new applications
2181     * that use an existing shared user name and need to know the uid of the
2182     * shared user.
2183     *
2184     * @param sharedUserName The shared user name whose uid is to be retrieved.
2185     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2186     * if the shared user name is not being used by any installed packages
2187     * @hide
2188     */
2189    public abstract int getUidForSharedUser(String sharedUserName)
2190            throws NameNotFoundException;
2191
2192    /**
2193     * Return a List of all application packages that are installed on the
2194     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2195     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2196     * installed apps with data directory) will be returned.
2197     *
2198     * @param flags Additional option flags. Use any combination of
2199     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2200     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2201     *
2202     * @return Returns a List of ApplicationInfo objects, one for each application that
2203     *         is installed on the device.  In the unlikely case of there being
2204     *         no installed applications, an empty list is returned.
2205     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2206     *         applications including those deleted with {@code DONT_DELETE_DATA}
2207     *         (partially installed apps with data directory) will be returned.
2208     *
2209     * @see #GET_META_DATA
2210     * @see #GET_SHARED_LIBRARY_FILES
2211     * @see #GET_UNINSTALLED_PACKAGES
2212     */
2213    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2214
2215    /**
2216     * Get a list of shared libraries that are available on the
2217     * system.
2218     *
2219     * @return An array of shared library names that are
2220     * available on the system, or null if none are installed.
2221     *
2222     */
2223    public abstract String[] getSystemSharedLibraryNames();
2224
2225    /**
2226     * Get a list of features that are available on the
2227     * system.
2228     *
2229     * @return An array of FeatureInfo classes describing the features
2230     * that are available on the system, or null if there are none(!!).
2231     */
2232    public abstract FeatureInfo[] getSystemAvailableFeatures();
2233
2234    /**
2235     * Check whether the given feature name is one of the available
2236     * features as returned by {@link #getSystemAvailableFeatures()}.
2237     *
2238     * @return Returns true if the devices supports the feature, else
2239     * false.
2240     */
2241    public abstract boolean hasSystemFeature(String name);
2242
2243    /**
2244     * Determine the best action to perform for a given Intent.  This is how
2245     * {@link Intent#resolveActivity} finds an activity if a class has not
2246     * been explicitly specified.
2247     *
2248     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2249     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2250     * only flag.  You need to do so to resolve the activity in the same way
2251     * that {@link android.content.Context#startActivity(Intent)} and
2252     * {@link android.content.Intent#resolveActivity(PackageManager)
2253     * Intent.resolveActivity(PackageManager)} do.</p>
2254     *
2255     * @param intent An intent containing all of the desired specification
2256     *               (action, data, type, category, and/or component).
2257     * @param flags Additional option flags.  The most important is
2258     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2259     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2260     *
2261     * @return Returns a ResolveInfo containing the final activity intent that
2262     *         was determined to be the best action.  Returns null if no
2263     *         matching activity was found. If multiple matching activities are
2264     *         found and there is no default set, returns a ResolveInfo
2265     *         containing something else, such as the activity resolver.
2266     *
2267     * @see #MATCH_DEFAULT_ONLY
2268     * @see #GET_INTENT_FILTERS
2269     * @see #GET_RESOLVED_FILTER
2270     */
2271    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2272
2273    /**
2274     * Determine the best action to perform for a given Intent for a given user. This
2275     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2276     * been explicitly specified.
2277     *
2278     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2279     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2280     * only flag.  You need to do so to resolve the activity in the same way
2281     * that {@link android.content.Context#startActivity(Intent)} and
2282     * {@link android.content.Intent#resolveActivity(PackageManager)
2283     * Intent.resolveActivity(PackageManager)} do.</p>
2284     *
2285     * @param intent An intent containing all of the desired specification
2286     *               (action, data, type, category, and/or component).
2287     * @param flags Additional option flags.  The most important is
2288     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2289     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2290     * @param userId The user id.
2291     *
2292     * @return Returns a ResolveInfo containing the final activity intent that
2293     *         was determined to be the best action.  Returns null if no
2294     *         matching activity was found. If multiple matching activities are
2295     *         found and there is no default set, returns a ResolveInfo
2296     *         containing something else, such as the activity resolver.
2297     *
2298     * @see #MATCH_DEFAULT_ONLY
2299     * @see #GET_INTENT_FILTERS
2300     * @see #GET_RESOLVED_FILTER
2301     *
2302     * @hide
2303     */
2304    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2305
2306    /**
2307     * Retrieve all activities that can be performed for the given intent.
2308     *
2309     * @param intent The desired intent as per resolveActivity().
2310     * @param flags Additional option flags.  The most important is
2311     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2312     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2313     *
2314     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2315     *         Activity. These are ordered from best to worst match -- that
2316     *         is, the first item in the list is what is returned by
2317     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2318     *         list is returned.
2319     *
2320     * @see #MATCH_DEFAULT_ONLY
2321     * @see #GET_INTENT_FILTERS
2322     * @see #GET_RESOLVED_FILTER
2323     */
2324    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2325            int flags);
2326
2327    /**
2328     * Retrieve all activities that can be performed for the given intent, for a specific user.
2329     *
2330     * @param intent The desired intent as per resolveActivity().
2331     * @param flags Additional option flags.  The most important is
2332     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2333     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2334     *
2335     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2336     *         Activity. These are ordered from best to worst match -- that
2337     *         is, the first item in the list is what is returned by
2338     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2339     *         list is returned.
2340     *
2341     * @see #MATCH_DEFAULT_ONLY
2342     * @see #GET_INTENT_FILTERS
2343     * @see #GET_RESOLVED_FILTER
2344     * @see #NO_CROSS_PROFILE
2345     * @hide
2346     */
2347    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2348            int flags, int userId);
2349
2350
2351    /**
2352     * Retrieve a set of activities that should be presented to the user as
2353     * similar options.  This is like {@link #queryIntentActivities}, except it
2354     * also allows you to supply a list of more explicit Intents that you would
2355     * like to resolve to particular options, and takes care of returning the
2356     * final ResolveInfo list in a reasonable order, with no duplicates, based
2357     * on those inputs.
2358     *
2359     * @param caller The class name of the activity that is making the
2360     *               request.  This activity will never appear in the output
2361     *               list.  Can be null.
2362     * @param specifics An array of Intents that should be resolved to the
2363     *                  first specific results.  Can be null.
2364     * @param intent The desired intent as per resolveActivity().
2365     * @param flags Additional option flags.  The most important is
2366     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2367     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2368     *
2369     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2370     *         Activity. These are ordered first by all of the intents resolved
2371     *         in <var>specifics</var> and then any additional activities that
2372     *         can handle <var>intent</var> but did not get included by one of
2373     *         the <var>specifics</var> intents.  If there are no matching
2374     *         activities, an empty list is returned.
2375     *
2376     * @see #MATCH_DEFAULT_ONLY
2377     * @see #GET_INTENT_FILTERS
2378     * @see #GET_RESOLVED_FILTER
2379     */
2380    public abstract List<ResolveInfo> queryIntentActivityOptions(
2381            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2382
2383    /**
2384     * Retrieve all receivers that can handle a broadcast of the given intent.
2385     *
2386     * @param intent The desired intent as per resolveActivity().
2387     * @param flags Additional option flags.
2388     *
2389     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2390     *         Receiver. These are ordered from first to last in priority.  If
2391     *         there are no matching receivers, an empty list is returned.
2392     *
2393     * @see #MATCH_DEFAULT_ONLY
2394     * @see #GET_INTENT_FILTERS
2395     * @see #GET_RESOLVED_FILTER
2396     */
2397    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2398            int flags);
2399
2400    /**
2401     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2402     * user.
2403     *
2404     * @param intent The desired intent as per resolveActivity().
2405     * @param flags Additional option flags.
2406     * @param userId The userId of the user being queried.
2407     *
2408     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2409     *         Receiver. These are ordered from first to last in priority.  If
2410     *         there are no matching receivers, an empty list is returned.
2411     *
2412     * @see #MATCH_DEFAULT_ONLY
2413     * @see #GET_INTENT_FILTERS
2414     * @see #GET_RESOLVED_FILTER
2415     * @hide
2416     */
2417    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2418            int flags, int userId);
2419
2420    /**
2421     * Determine the best service to handle for a given Intent.
2422     *
2423     * @param intent An intent containing all of the desired specification
2424     *               (action, data, type, category, and/or component).
2425     * @param flags Additional option flags.
2426     *
2427     * @return Returns a ResolveInfo containing the final service intent that
2428     *         was determined to be the best action.  Returns null if no
2429     *         matching service was found.
2430     *
2431     * @see #GET_INTENT_FILTERS
2432     * @see #GET_RESOLVED_FILTER
2433     */
2434    public abstract ResolveInfo resolveService(Intent intent, int flags);
2435
2436    /**
2437     * Retrieve all services that can match the given intent.
2438     *
2439     * @param intent The desired intent as per resolveService().
2440     * @param flags Additional option flags.
2441     *
2442     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2443     *         ServiceInfo. These are ordered from best to worst match -- that
2444     *         is, the first item in the list is what is returned by
2445     *         resolveService().  If there are no matching services, an empty
2446     *         list is returned.
2447     *
2448     * @see #GET_INTENT_FILTERS
2449     * @see #GET_RESOLVED_FILTER
2450     */
2451    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2452            int flags);
2453
2454    /**
2455     * Retrieve all services that can match the given intent for a given user.
2456     *
2457     * @param intent The desired intent as per resolveService().
2458     * @param flags Additional option flags.
2459     * @param userId The user id.
2460     *
2461     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2462     *         ServiceInfo. These are ordered from best to worst match -- that
2463     *         is, the first item in the list is what is returned by
2464     *         resolveService().  If there are no matching services, an empty
2465     *         list is returned.
2466     *
2467     * @see #GET_INTENT_FILTERS
2468     * @see #GET_RESOLVED_FILTER
2469     *
2470     * @hide
2471     */
2472    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2473            int flags, int userId);
2474
2475    /** {@hide} */
2476    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2477            Intent intent, int flags, int userId);
2478
2479    /**
2480     * Retrieve all providers that can match the given intent.
2481     *
2482     * @param intent An intent containing all of the desired specification
2483     *            (action, data, type, category, and/or component).
2484     * @param flags Additional option flags.
2485     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2486     *         ProviderInfo. These are ordered from best to worst match. If
2487     *         there are no matching providers, an empty list is returned.
2488     * @see #GET_INTENT_FILTERS
2489     * @see #GET_RESOLVED_FILTER
2490     */
2491    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2492
2493    /**
2494     * Find a single content provider by its base path name.
2495     *
2496     * @param name The name of the provider to find.
2497     * @param flags Additional option flags.  Currently should always be 0.
2498     *
2499     * @return ContentProviderInfo Information about the provider, if found,
2500     *         else null.
2501     */
2502    public abstract ProviderInfo resolveContentProvider(String name,
2503            int flags);
2504
2505    /**
2506     * Find a single content provider by its base path name.
2507     *
2508     * @param name The name of the provider to find.
2509     * @param flags Additional option flags.  Currently should always be 0.
2510     * @param userId The user id.
2511     *
2512     * @return ContentProviderInfo Information about the provider, if found,
2513     *         else null.
2514     * @hide
2515     */
2516    public abstract ProviderInfo resolveContentProviderAsUser(String name, int flags, int userId);
2517
2518    /**
2519     * Retrieve content provider information.
2520     *
2521     * <p><em>Note: unlike most other methods, an empty result set is indicated
2522     * by a null return instead of an empty list.</em>
2523     *
2524     * @param processName If non-null, limits the returned providers to only
2525     *                    those that are hosted by the given process.  If null,
2526     *                    all content providers are returned.
2527     * @param uid If <var>processName</var> is non-null, this is the required
2528     *        uid owning the requested content providers.
2529     * @param flags Additional option flags.  Currently should always be 0.
2530     *
2531     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2532     *         content provider either patching <var>processName</var> or, if
2533     *         <var>processName</var> is null, all known content providers.
2534     *         <em>If there are no matching providers, null is returned.</em>
2535     */
2536    public abstract List<ProviderInfo> queryContentProviders(
2537            String processName, int uid, int flags);
2538
2539    /**
2540     * Retrieve all of the information we know about a particular
2541     * instrumentation class.
2542     *
2543     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2544     * given class name cannot be found on the system.
2545     *
2546     * @param className The full name (i.e.
2547     *                  com.google.apps.contacts.InstrumentList) of an
2548     *                  Instrumentation class.
2549     * @param flags Additional option flags.  Currently should always be 0.
2550     *
2551     * @return InstrumentationInfo containing information about the
2552     *         instrumentation.
2553     */
2554    public abstract InstrumentationInfo getInstrumentationInfo(
2555            ComponentName className, int flags) throws NameNotFoundException;
2556
2557    /**
2558     * Retrieve information about available instrumentation code.  May be used
2559     * to retrieve either all instrumentation code, or only the code targeting
2560     * a particular package.
2561     *
2562     * @param targetPackage If null, all instrumentation is returned; only the
2563     *                      instrumentation targeting this package name is
2564     *                      returned.
2565     * @param flags Additional option flags.  Currently should always be 0.
2566     *
2567     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2568     *         matching available Instrumentation.  Returns an empty list if
2569     *         there is no instrumentation available for the given package.
2570     */
2571    public abstract List<InstrumentationInfo> queryInstrumentation(
2572            String targetPackage, int flags);
2573
2574    /**
2575     * Retrieve an image from a package.  This is a low-level API used by
2576     * the various package manager info structures (such as
2577     * {@link ComponentInfo} to implement retrieval of their associated
2578     * icon.
2579     *
2580     * @param packageName The name of the package that this icon is coming from.
2581     * Cannot be null.
2582     * @param resid The resource identifier of the desired image.  Cannot be 0.
2583     * @param appInfo Overall information about <var>packageName</var>.  This
2584     * may be null, in which case the application information will be retrieved
2585     * for you if needed; if you already have this information around, it can
2586     * be much more efficient to supply it here.
2587     *
2588     * @return Returns a Drawable holding the requested image.  Returns null if
2589     * an image could not be found for any reason.
2590     */
2591    public abstract Drawable getDrawable(String packageName, int resid,
2592            ApplicationInfo appInfo);
2593
2594    /**
2595     * Retrieve the icon associated with an activity.  Given the full name of
2596     * an activity, retrieves the information about it and calls
2597     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2598     * If the activity cannot be found, NameNotFoundException is thrown.
2599     *
2600     * @param activityName Name of the activity whose icon is to be retrieved.
2601     *
2602     * @return Returns the image of the icon, or the default activity icon if
2603     * it could not be found.  Does not return null.
2604     * @throws NameNotFoundException Thrown if the resources for the given
2605     * activity could not be loaded.
2606     *
2607     * @see #getActivityIcon(Intent)
2608     */
2609    public abstract Drawable getActivityIcon(ComponentName activityName)
2610            throws NameNotFoundException;
2611
2612    /**
2613     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2614     * set, this simply returns the result of
2615     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2616     * component and returns the icon associated with the resolved component.
2617     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2618     * to a component, NameNotFoundException is thrown.
2619     *
2620     * @param intent The intent for which you would like to retrieve an icon.
2621     *
2622     * @return Returns the image of the icon, or the default activity icon if
2623     * it could not be found.  Does not return null.
2624     * @throws NameNotFoundException Thrown if the resources for application
2625     * matching the given intent could not be loaded.
2626     *
2627     * @see #getActivityIcon(ComponentName)
2628     */
2629    public abstract Drawable getActivityIcon(Intent intent)
2630            throws NameNotFoundException;
2631
2632    /**
2633     * Retrieve the banner associated with an activity. Given the full name of
2634     * an activity, retrieves the information about it and calls
2635     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2636     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2637     *
2638     * @param activityName Name of the activity whose banner is to be retrieved.
2639     * @return Returns the image of the banner, or null if the activity has no
2640     *         banner specified.
2641     * @throws NameNotFoundException Thrown if the resources for the given
2642     *             activity could not be loaded.
2643     * @see #getActivityBanner(Intent)
2644     */
2645    public abstract Drawable getActivityBanner(ComponentName activityName)
2646            throws NameNotFoundException;
2647
2648    /**
2649     * Retrieve the banner associated with an Intent. If intent.getClassName()
2650     * is set, this simply returns the result of
2651     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2652     * intent's component and returns the banner associated with the resolved
2653     * component. If intent.getClassName() cannot be found or the Intent cannot
2654     * be resolved to a component, NameNotFoundException is thrown.
2655     *
2656     * @param intent The intent for which you would like to retrieve a banner.
2657     * @return Returns the image of the banner, or null if the activity has no
2658     *         banner specified.
2659     * @throws NameNotFoundException Thrown if the resources for application
2660     *             matching the given intent could not be loaded.
2661     * @see #getActivityBanner(ComponentName)
2662     */
2663    public abstract Drawable getActivityBanner(Intent intent)
2664            throws NameNotFoundException;
2665
2666    /**
2667     * Return the generic icon for an activity that is used when no specific
2668     * icon is defined.
2669     *
2670     * @return Drawable Image of the icon.
2671     */
2672    public abstract Drawable getDefaultActivityIcon();
2673
2674    /**
2675     * Retrieve the icon associated with an application.  If it has not defined
2676     * an icon, the default app icon is returned.  Does not return null.
2677     *
2678     * @param info Information about application being queried.
2679     *
2680     * @return Returns the image of the icon, or the default application icon
2681     * if it could not be found.
2682     *
2683     * @see #getApplicationIcon(String)
2684     */
2685    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2686
2687    /**
2688     * Retrieve the icon associated with an application.  Given the name of the
2689     * application's package, retrieves the information about it and calls
2690     * getApplicationIcon() to return its icon. If the application cannot be
2691     * found, NameNotFoundException is thrown.
2692     *
2693     * @param packageName Name of the package whose application icon is to be
2694     *                    retrieved.
2695     *
2696     * @return Returns the image of the icon, or the default application icon
2697     * if it could not be found.  Does not return null.
2698     * @throws NameNotFoundException Thrown if the resources for the given
2699     * application could not be loaded.
2700     *
2701     * @see #getApplicationIcon(ApplicationInfo)
2702     */
2703    public abstract Drawable getApplicationIcon(String packageName)
2704            throws NameNotFoundException;
2705
2706    /**
2707     * Retrieve the banner associated with an application.
2708     *
2709     * @param info Information about application being queried.
2710     * @return Returns the image of the banner or null if the application has no
2711     *         banner specified.
2712     * @see #getApplicationBanner(String)
2713     */
2714    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2715
2716    /**
2717     * Retrieve the banner associated with an application. Given the name of the
2718     * application's package, retrieves the information about it and calls
2719     * getApplicationIcon() to return its banner. If the application cannot be
2720     * found, NameNotFoundException is thrown.
2721     *
2722     * @param packageName Name of the package whose application banner is to be
2723     *            retrieved.
2724     * @return Returns the image of the banner or null if the application has no
2725     *         banner specified.
2726     * @throws NameNotFoundException Thrown if the resources for the given
2727     *             application could not be loaded.
2728     * @see #getApplicationBanner(ApplicationInfo)
2729     */
2730    public abstract Drawable getApplicationBanner(String packageName)
2731            throws NameNotFoundException;
2732
2733    /**
2734     * Retrieve the logo associated with an activity. Given the full name of an
2735     * activity, retrieves the information about it and calls
2736     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2737     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2738     *
2739     * @param activityName Name of the activity whose logo is to be retrieved.
2740     * @return Returns the image of the logo or null if the activity has no logo
2741     *         specified.
2742     * @throws NameNotFoundException Thrown if the resources for the given
2743     *             activity could not be loaded.
2744     * @see #getActivityLogo(Intent)
2745     */
2746    public abstract Drawable getActivityLogo(ComponentName activityName)
2747            throws NameNotFoundException;
2748
2749    /**
2750     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2751     * set, this simply returns the result of
2752     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2753     * component and returns the logo associated with the resolved component.
2754     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2755     * to a component, NameNotFoundException is thrown.
2756     *
2757     * @param intent The intent for which you would like to retrieve a logo.
2758     *
2759     * @return Returns the image of the logo, or null if the activity has no
2760     * logo specified.
2761     *
2762     * @throws NameNotFoundException Thrown if the resources for application
2763     * matching the given intent could not be loaded.
2764     *
2765     * @see #getActivityLogo(ComponentName)
2766     */
2767    public abstract Drawable getActivityLogo(Intent intent)
2768            throws NameNotFoundException;
2769
2770    /**
2771     * Retrieve the logo associated with an application.  If it has not specified
2772     * a logo, this method returns null.
2773     *
2774     * @param info Information about application being queried.
2775     *
2776     * @return Returns the image of the logo, or null if no logo is specified
2777     * by the application.
2778     *
2779     * @see #getApplicationLogo(String)
2780     */
2781    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2782
2783    /**
2784     * Retrieve the logo associated with an application.  Given the name of the
2785     * application's package, retrieves the information about it and calls
2786     * getApplicationLogo() to return its logo. If the application cannot be
2787     * found, NameNotFoundException is thrown.
2788     *
2789     * @param packageName Name of the package whose application logo is to be
2790     *                    retrieved.
2791     *
2792     * @return Returns the image of the logo, or null if no application logo
2793     * has been specified.
2794     *
2795     * @throws NameNotFoundException Thrown if the resources for the given
2796     * application could not be loaded.
2797     *
2798     * @see #getApplicationLogo(ApplicationInfo)
2799     */
2800    public abstract Drawable getApplicationLogo(String packageName)
2801            throws NameNotFoundException;
2802
2803    /**
2804     * Retrieve text from a package.  This is a low-level API used by
2805     * the various package manager info structures (such as
2806     * {@link ComponentInfo} to implement retrieval of their associated
2807     * labels and other text.
2808     *
2809     * @param packageName The name of the package that this text is coming from.
2810     * Cannot be null.
2811     * @param resid The resource identifier of the desired text.  Cannot be 0.
2812     * @param appInfo Overall information about <var>packageName</var>.  This
2813     * may be null, in which case the application information will be retrieved
2814     * for you if needed; if you already have this information around, it can
2815     * be much more efficient to supply it here.
2816     *
2817     * @return Returns a CharSequence holding the requested text.  Returns null
2818     * if the text could not be found for any reason.
2819     */
2820    public abstract CharSequence getText(String packageName, int resid,
2821            ApplicationInfo appInfo);
2822
2823    /**
2824     * Retrieve an XML file from a package.  This is a low-level API used to
2825     * retrieve XML meta data.
2826     *
2827     * @param packageName The name of the package that this xml is coming from.
2828     * Cannot be null.
2829     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2830     * @param appInfo Overall information about <var>packageName</var>.  This
2831     * may be null, in which case the application information will be retrieved
2832     * for you if needed; if you already have this information around, it can
2833     * be much more efficient to supply it here.
2834     *
2835     * @return Returns an XmlPullParser allowing you to parse out the XML
2836     * data.  Returns null if the xml resource could not be found for any
2837     * reason.
2838     */
2839    public abstract XmlResourceParser getXml(String packageName, int resid,
2840            ApplicationInfo appInfo);
2841
2842    /**
2843     * Return the label to use for this application.
2844     *
2845     * @return Returns the label associated with this application, or null if
2846     * it could not be found for any reason.
2847     * @param info The application to get the label of.
2848     */
2849    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2850
2851    /**
2852     * Retrieve the resources associated with an activity.  Given the full
2853     * name of an activity, retrieves the information about it and calls
2854     * getResources() to return its application's resources.  If the activity
2855     * cannot be found, NameNotFoundException is thrown.
2856     *
2857     * @param activityName Name of the activity whose resources are to be
2858     *                     retrieved.
2859     *
2860     * @return Returns the application's Resources.
2861     * @throws NameNotFoundException Thrown if the resources for the given
2862     * application could not be loaded.
2863     *
2864     * @see #getResourcesForApplication(ApplicationInfo)
2865     */
2866    public abstract Resources getResourcesForActivity(ComponentName activityName)
2867            throws NameNotFoundException;
2868
2869    /**
2870     * Retrieve the resources for an application.  Throws NameNotFoundException
2871     * if the package is no longer installed.
2872     *
2873     * @param app Information about the desired application.
2874     *
2875     * @return Returns the application's Resources.
2876     * @throws NameNotFoundException Thrown if the resources for the given
2877     * application could not be loaded (most likely because it was uninstalled).
2878     */
2879    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2880            throws NameNotFoundException;
2881
2882    /**
2883     * Retrieve the resources associated with an application.  Given the full
2884     * package name of an application, retrieves the information about it and
2885     * calls getResources() to return its application's resources.  If the
2886     * appPackageName cannot be found, NameNotFoundException is thrown.
2887     *
2888     * @param appPackageName Package name of the application whose resources
2889     *                       are to be retrieved.
2890     *
2891     * @return Returns the application's Resources.
2892     * @throws NameNotFoundException Thrown if the resources for the given
2893     * application could not be loaded.
2894     *
2895     * @see #getResourcesForApplication(ApplicationInfo)
2896     */
2897    public abstract Resources getResourcesForApplication(String appPackageName)
2898            throws NameNotFoundException;
2899
2900    /** @hide */
2901    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2902            throws NameNotFoundException;
2903
2904    /**
2905     * Retrieve overall information about an application package defined
2906     * in a package archive file
2907     *
2908     * @param archiveFilePath The path to the archive file
2909     * @param flags Additional option flags. Use any combination of
2910     * {@link #GET_ACTIVITIES},
2911     * {@link #GET_GIDS},
2912     * {@link #GET_CONFIGURATIONS},
2913     * {@link #GET_INSTRUMENTATION},
2914     * {@link #GET_PERMISSIONS},
2915     * {@link #GET_PROVIDERS},
2916     * {@link #GET_RECEIVERS},
2917     * {@link #GET_SERVICES},
2918     * {@link #GET_SIGNATURES}, to modify the data returned.
2919     *
2920     * @return Returns the information about the package. Returns
2921     * null if the package could not be successfully parsed.
2922     *
2923     * @see #GET_ACTIVITIES
2924     * @see #GET_GIDS
2925     * @see #GET_CONFIGURATIONS
2926     * @see #GET_INSTRUMENTATION
2927     * @see #GET_PERMISSIONS
2928     * @see #GET_PROVIDERS
2929     * @see #GET_RECEIVERS
2930     * @see #GET_SERVICES
2931     * @see #GET_SIGNATURES
2932     *
2933     */
2934    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2935        final PackageParser parser = new PackageParser();
2936        final File apkFile = new File(archiveFilePath);
2937        try {
2938            PackageParser.Package pkg = parser.parseMonolithicPackage(apkFile, 0);
2939            if ((flags & GET_SIGNATURES) != 0) {
2940                parser.collectCertificates(pkg, 0);
2941                parser.collectManifestDigest(pkg);
2942            }
2943            PackageUserState state = new PackageUserState();
2944            return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2945        } catch (PackageParserException e) {
2946            return null;
2947        }
2948    }
2949
2950    /**
2951     * @hide Install a package. Since this may take a little while, the result
2952     *       will be posted back to the given observer. An installation will
2953     *       fail if the calling context lacks the
2954     *       {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if
2955     *       the package named in the package file's manifest is already
2956     *       installed, or if there's no space available on the device.
2957     * @param packageURI The location of the package file to install. This can
2958     *            be a 'file:' or a 'content:' URI.
2959     * @param observer An observer callback to get notified when the package
2960     *            installation is complete.
2961     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2962     *            will be called when that happens. This parameter must not be
2963     *            null.
2964     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2965     *            {@link #INSTALL_REPLACE_EXISTING},
2966     *            {@link #INSTALL_ALLOW_TEST}.
2967     * @param installerPackageName Optional package name of the application that
2968     *            is performing the installation. This identifies which market
2969     *            the package came from.
2970     * @deprecated Use {@link #installPackage(Uri, PackageInstallObserver, int,
2971     *             String)} instead. This method will continue to be supported
2972     *             but the older observer interface will not get additional
2973     *             failure details.
2974     */
2975    // @SystemApi
2976    public abstract void installPackage(
2977            Uri packageURI, IPackageInstallObserver observer, int flags,
2978            String installerPackageName);
2979
2980    /**
2981     * Similar to
2982     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2983     * with an extra verification file provided.
2984     *
2985     * @param packageURI The location of the package file to install. This can
2986     *            be a 'file:' or a 'content:' URI.
2987     * @param observer An observer callback to get notified when the package
2988     *            installation is complete.
2989     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2990     *            will be called when that happens. This parameter must not be
2991     *            null.
2992     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2993     *            {@link #INSTALL_REPLACE_EXISTING},
2994     *            {@link #INSTALL_ALLOW_TEST}.
2995     * @param installerPackageName Optional package name of the application that
2996     *            is performing the installation. This identifies which market
2997     *            the package came from.
2998     * @param verificationURI The location of the supplementary verification
2999     *            file. This can be a 'file:' or a 'content:' URI. May be
3000     *            {@code null}.
3001     * @param manifestDigest an object that holds the digest of the package
3002     *            which can be used to verify ownership. May be {@code null}.
3003     * @param encryptionParams if the package to be installed is encrypted,
3004     *            these parameters describing the encryption and authentication
3005     *            used. May be {@code null}.
3006     * @hide
3007     * @deprecated Use {@link #installPackageWithVerification(Uri,
3008     *             PackageInstallObserver, int, String, Uri, ManifestDigest,
3009     *             ContainerEncryptionParams)} instead. This method will
3010     *             continue to be supported but the older observer interface
3011     *             will not get additional failure details.
3012     */
3013    // @SystemApi
3014    public abstract void installPackageWithVerification(Uri packageURI,
3015            IPackageInstallObserver observer, int flags, String installerPackageName,
3016            Uri verificationURI, ManifestDigest manifestDigest,
3017            ContainerEncryptionParams encryptionParams);
3018
3019    /**
3020     * Similar to
3021     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3022     * with an extra verification information provided.
3023     *
3024     * @param packageURI The location of the package file to install. This can
3025     *            be a 'file:' or a 'content:' URI.
3026     * @param observer An observer callback to get notified when the package
3027     *            installation is complete.
3028     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
3029     *            will be called when that happens. This parameter must not be
3030     *            null.
3031     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3032     *            {@link #INSTALL_REPLACE_EXISTING},
3033     *            {@link #INSTALL_ALLOW_TEST}.
3034     * @param installerPackageName Optional package name of the application that
3035     *            is performing the installation. This identifies which market
3036     *            the package came from.
3037     * @param verificationParams an object that holds signal information to
3038     *            assist verification. May be {@code null}.
3039     * @param encryptionParams if the package to be installed is encrypted,
3040     *            these parameters describing the encryption and authentication
3041     *            used. May be {@code null}.
3042     * @hide
3043     * @deprecated Use {@link #installPackageWithVerificationAndEncryption(Uri,
3044     *             PackageInstallObserver, int, String, VerificationParams,
3045     *             ContainerEncryptionParams)} instead. This method will
3046     *             continue to be supported but the older observer interface
3047     *             will not get additional failure details.
3048     */
3049    @Deprecated
3050    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
3051            IPackageInstallObserver observer, int flags, String installerPackageName,
3052            VerificationParams verificationParams,
3053            ContainerEncryptionParams encryptionParams);
3054
3055    // Package-install variants that take the new, expanded form of observer interface.
3056    // Note that these *also* take the original observer type and will redundantly
3057    // report the same information to that observer if supplied; but it is not required.
3058
3059    /**
3060     * @hide
3061     *
3062     * Install a package. Since this may take a little while, the result will
3063     * be posted back to the given observer.  An installation will fail if the calling context
3064     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
3065     * package named in the package file's manifest is already installed, or if there's no space
3066     * available on the device.
3067     *
3068     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
3069     * 'content:' URI.
3070     * @param observer An observer callback to get notified when the package installation is
3071     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3072     * called when that happens. This parameter must not be null.
3073     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3074     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3075     * @param installerPackageName Optional package name of the application that is performing the
3076     * installation. This identifies which market the package came from.
3077     */
3078    public abstract void installPackage(
3079            Uri packageURI, PackageInstallObserver observer,
3080            int flags, String installerPackageName);
3081
3082    /**
3083     * Similar to
3084     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3085     * with an extra verification file provided.
3086     *
3087     * @param packageURI The location of the package file to install. This can
3088     *            be a 'file:' or a 'content:' URI.
3089     * @param observer An observer callback to get notified when the package installation is
3090     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3091     * called when that happens. This parameter must not be null.
3092     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3093     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3094     * @param installerPackageName Optional package name of the application that
3095     *            is performing the installation. This identifies which market
3096     *            the package came from.
3097     * @param verificationURI The location of the supplementary verification
3098     *            file. This can be a 'file:' or a 'content:' URI. May be
3099     *            {@code null}.
3100     * @param manifestDigest an object that holds the digest of the package
3101     *            which can be used to verify ownership. May be {@code null}.
3102     * @param encryptionParams if the package to be installed is encrypted,
3103     *            these parameters describing the encryption and authentication
3104     *            used. May be {@code null}.
3105     * @hide
3106     */
3107    public abstract void installPackageWithVerification(Uri packageURI,
3108            PackageInstallObserver observer, int flags, String installerPackageName,
3109            Uri verificationURI, ManifestDigest manifestDigest,
3110            ContainerEncryptionParams encryptionParams);
3111
3112    /**
3113     * Similar to
3114     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3115     * with an extra verification information provided.
3116     *
3117     * @param packageURI The location of the package file to install. This can
3118     *            be a 'file:' or a 'content:' URI.
3119     * @param observer An observer callback to get notified when the package installation is
3120     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3121     * called when that happens. This parameter must not be null.
3122     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3123     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3124     * @param installerPackageName Optional package name of the application that
3125     *            is performing the installation. This identifies which market
3126     *            the package came from.
3127     * @param verificationParams an object that holds signal information to
3128     *            assist verification. May be {@code null}.
3129     * @param encryptionParams if the package to be installed is encrypted,
3130     *            these parameters describing the encryption and authentication
3131     *            used. May be {@code null}.
3132     *
3133     * @hide
3134     */
3135    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
3136            PackageInstallObserver observer, int flags, String installerPackageName,
3137            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams);
3138
3139    /**
3140     * If there is already an application with the given package name installed
3141     * on the system for other users, also install it for the calling user.
3142     * @hide
3143     */
3144    // @SystemApi
3145    public abstract int installExistingPackage(String packageName)
3146            throws NameNotFoundException;
3147
3148    /**
3149     * Allows a package listening to the
3150     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3151     * broadcast} to respond to the package manager. The response must include
3152     * the {@code verificationCode} which is one of
3153     * {@link PackageManager#VERIFICATION_ALLOW} or
3154     * {@link PackageManager#VERIFICATION_REJECT}.
3155     *
3156     * @param id pending package identifier as passed via the
3157     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3158     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
3159     *            or {@link PackageManager#VERIFICATION_REJECT}.
3160     * @throws SecurityException if the caller does not have the
3161     *            PACKAGE_VERIFICATION_AGENT permission.
3162     */
3163    public abstract void verifyPendingInstall(int id, int verificationCode);
3164
3165    /**
3166     * Allows a package listening to the
3167     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3168     * broadcast} to extend the default timeout for a response and declare what
3169     * action to perform after the timeout occurs. The response must include
3170     * the {@code verificationCodeAtTimeout} which is one of
3171     * {@link PackageManager#VERIFICATION_ALLOW} or
3172     * {@link PackageManager#VERIFICATION_REJECT}.
3173     *
3174     * This method may only be called once per package id. Additional calls
3175     * will have no effect.
3176     *
3177     * @param id pending package identifier as passed via the
3178     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3179     * @param verificationCodeAtTimeout either
3180     *            {@link PackageManager#VERIFICATION_ALLOW} or
3181     *            {@link PackageManager#VERIFICATION_REJECT}. If
3182     *            {@code verificationCodeAtTimeout} is neither
3183     *            {@link PackageManager#VERIFICATION_ALLOW} or
3184     *            {@link PackageManager#VERIFICATION_REJECT}, then
3185     *            {@code verificationCodeAtTimeout} will default to
3186     *            {@link PackageManager#VERIFICATION_REJECT}.
3187     * @param millisecondsToDelay the amount of time requested for the timeout.
3188     *            Must be positive and less than
3189     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
3190     *            {@code millisecondsToDelay} is out of bounds,
3191     *            {@code millisecondsToDelay} will be set to the closest in
3192     *            bounds value; namely, 0 or
3193     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
3194     * @throws SecurityException if the caller does not have the
3195     *            PACKAGE_VERIFICATION_AGENT permission.
3196     */
3197    public abstract void extendVerificationTimeout(int id,
3198            int verificationCodeAtTimeout, long millisecondsToDelay);
3199
3200    /**
3201     * Change the installer associated with a given package.  There are limitations
3202     * on how the installer package can be changed; in particular:
3203     * <ul>
3204     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
3205     * is not signed with the same certificate as the calling application.
3206     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
3207     * has an installer package, and that installer package is not signed with
3208     * the same certificate as the calling application.
3209     * </ul>
3210     *
3211     * @param targetPackage The installed package whose installer will be changed.
3212     * @param installerPackageName The package name of the new installer.  May be
3213     * null to clear the association.
3214     */
3215    public abstract void setInstallerPackageName(String targetPackage,
3216            String installerPackageName);
3217
3218    /**
3219     * Attempts to delete a package.  Since this may take a little while, the result will
3220     * be posted back to the given observer.  A deletion will fail if the calling context
3221     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
3222     * named package cannot be found, or if the named package is a "system package".
3223     * (TODO: include pointer to documentation on "system packages")
3224     *
3225     * @param packageName The name of the package to delete
3226     * @param observer An observer callback to get notified when the package deletion is
3227     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
3228     * called when that happens.  observer may be null to indicate that no callback is desired.
3229     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
3230     * {@link #DELETE_ALL_USERS}.
3231     *
3232     * @hide
3233     */
3234    // @SystemApi
3235    public abstract void deletePackage(
3236            String packageName, IPackageDeleteObserver observer, int flags);
3237
3238    /**
3239     * Retrieve the package name of the application that installed a package. This identifies
3240     * which market the package came from.
3241     *
3242     * @param packageName The name of the package to query
3243     */
3244    public abstract String getInstallerPackageName(String packageName);
3245
3246    /**
3247     * Attempts to clear the user data directory of an application.
3248     * Since this may take a little while, the result will
3249     * be posted back to the given observer.  A deletion will fail if the
3250     * named package cannot be found, or if the named package is a "system package".
3251     *
3252     * @param packageName The name of the package
3253     * @param observer An observer callback to get notified when the operation is finished
3254     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3255     * will be called when that happens.  observer may be null to indicate that
3256     * no callback is desired.
3257     *
3258     * @hide
3259     */
3260    public abstract void clearApplicationUserData(String packageName,
3261            IPackageDataObserver observer);
3262    /**
3263     * Attempts to delete the cache files associated with an application.
3264     * Since this may take a little while, the result will
3265     * be posted back to the given observer.  A deletion will fail if the calling context
3266     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
3267     * named package cannot be found, or if the named package is a "system package".
3268     *
3269     * @param packageName The name of the package to delete
3270     * @param observer An observer callback to get notified when the cache file deletion
3271     * is complete.
3272     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3273     * will be called when that happens.  observer may be null to indicate that
3274     * no callback is desired.
3275     *
3276     * @hide
3277     */
3278    public abstract void deleteApplicationCacheFiles(String packageName,
3279            IPackageDataObserver observer);
3280
3281    /**
3282     * Free storage by deleting LRU sorted list of cache files across
3283     * all applications. If the currently available free storage
3284     * on the device is greater than or equal to the requested
3285     * free storage, no cache files are cleared. If the currently
3286     * available storage on the device is less than the requested
3287     * free storage, some or all of the cache files across
3288     * all applications are deleted (based on last accessed time)
3289     * to increase the free storage space on the device to
3290     * the requested value. There is no guarantee that clearing all
3291     * the cache files from all applications will clear up
3292     * enough storage to achieve the desired value.
3293     * @param freeStorageSize The number of bytes of storage to be
3294     * freed by the system. Say if freeStorageSize is XX,
3295     * and the current free storage is YY,
3296     * if XX is less than YY, just return. if not free XX-YY number
3297     * of bytes if possible.
3298     * @param observer call back used to notify when
3299     * the operation is completed
3300     *
3301     * @hide
3302     */
3303    // @SystemApi
3304    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3305
3306    /**
3307     * Free storage by deleting LRU sorted list of cache files across
3308     * all applications. If the currently available free storage
3309     * on the device is greater than or equal to the requested
3310     * free storage, no cache files are cleared. If the currently
3311     * available storage on the device is less than the requested
3312     * free storage, some or all of the cache files across
3313     * all applications are deleted (based on last accessed time)
3314     * to increase the free storage space on the device to
3315     * the requested value. There is no guarantee that clearing all
3316     * the cache files from all applications will clear up
3317     * enough storage to achieve the desired value.
3318     * @param freeStorageSize The number of bytes of storage to be
3319     * freed by the system. Say if freeStorageSize is XX,
3320     * and the current free storage is YY,
3321     * if XX is less than YY, just return. if not free XX-YY number
3322     * of bytes if possible.
3323     * @param pi IntentSender call back used to
3324     * notify when the operation is completed.May be null
3325     * to indicate that no call back is desired.
3326     *
3327     * @hide
3328     */
3329    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3330
3331    /**
3332     * Retrieve the size information for a package.
3333     * Since this may take a little while, the result will
3334     * be posted back to the given observer.  The calling context
3335     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3336     *
3337     * @param packageName The name of the package whose size information is to be retrieved
3338     * @param userHandle The user whose size information should be retrieved.
3339     * @param observer An observer callback to get notified when the operation
3340     * is complete.
3341     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3342     * The observer's callback is invoked with a PackageStats object(containing the
3343     * code, data and cache sizes of the package) and a boolean value representing
3344     * the status of the operation. observer may be null to indicate that
3345     * no callback is desired.
3346     *
3347     * @hide
3348     */
3349    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3350            IPackageStatsObserver observer);
3351
3352    /**
3353     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3354     * returns the size for the calling user.
3355     *
3356     * @hide
3357     */
3358    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3359        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3360    }
3361
3362    /**
3363     * @deprecated This function no longer does anything; it was an old
3364     * approach to managing preferred activities, which has been superseded
3365     * by (and conflicts with) the modern activity-based preferences.
3366     */
3367    @Deprecated
3368    public abstract void addPackageToPreferred(String packageName);
3369
3370    /**
3371     * @deprecated This function no longer does anything; it was an old
3372     * approach to managing preferred activities, which has been superseded
3373     * by (and conflicts with) the modern activity-based preferences.
3374     */
3375    @Deprecated
3376    public abstract void removePackageFromPreferred(String packageName);
3377
3378    /**
3379     * Retrieve the list of all currently configured preferred packages.  The
3380     * first package on the list is the most preferred, the last is the
3381     * least preferred.
3382     *
3383     * @param flags Additional option flags. Use any combination of
3384     * {@link #GET_ACTIVITIES},
3385     * {@link #GET_GIDS},
3386     * {@link #GET_CONFIGURATIONS},
3387     * {@link #GET_INSTRUMENTATION},
3388     * {@link #GET_PERMISSIONS},
3389     * {@link #GET_PROVIDERS},
3390     * {@link #GET_RECEIVERS},
3391     * {@link #GET_SERVICES},
3392     * {@link #GET_SIGNATURES}, to modify the data returned.
3393     *
3394     * @return Returns a list of PackageInfo objects describing each
3395     * preferred application, in order of preference.
3396     *
3397     * @see #GET_ACTIVITIES
3398     * @see #GET_GIDS
3399     * @see #GET_CONFIGURATIONS
3400     * @see #GET_INSTRUMENTATION
3401     * @see #GET_PERMISSIONS
3402     * @see #GET_PROVIDERS
3403     * @see #GET_RECEIVERS
3404     * @see #GET_SERVICES
3405     * @see #GET_SIGNATURES
3406     */
3407    public abstract List<PackageInfo> getPreferredPackages(int flags);
3408
3409    /**
3410     * @deprecated This is a protected API that should not have been available
3411     * to third party applications.  It is the platform's responsibility for
3412     * assigning preferred activities and this cannot be directly modified.
3413     *
3414     * Add a new preferred activity mapping to the system.  This will be used
3415     * to automatically select the given activity component when
3416     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3417     * multiple matching activities and also matches the given filter.
3418     *
3419     * @param filter The set of intents under which this activity will be
3420     * made preferred.
3421     * @param match The IntentFilter match category that this preference
3422     * applies to.
3423     * @param set The set of activities that the user was picking from when
3424     * this preference was made.
3425     * @param activity The component name of the activity that is to be
3426     * preferred.
3427     */
3428    @Deprecated
3429    public abstract void addPreferredActivity(IntentFilter filter, int match,
3430            ComponentName[] set, ComponentName activity);
3431
3432    /**
3433     * Same as {@link #addPreferredActivity(IntentFilter, int,
3434            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3435            to.
3436     * @hide
3437     */
3438    public void addPreferredActivity(IntentFilter filter, int match,
3439            ComponentName[] set, ComponentName activity, int userId) {
3440        throw new RuntimeException("Not implemented. Must override in a subclass.");
3441    }
3442
3443    /**
3444     * @deprecated This is a protected API that should not have been available
3445     * to third party applications.  It is the platform's responsibility for
3446     * assigning preferred activities and this cannot be directly modified.
3447     *
3448     * Replaces an existing preferred activity mapping to the system, and if that were not present
3449     * adds a new preferred activity.  This will be used
3450     * to automatically select the given activity component when
3451     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3452     * multiple matching activities and also matches the given filter.
3453     *
3454     * @param filter The set of intents under which this activity will be
3455     * made preferred.
3456     * @param match The IntentFilter match category that this preference
3457     * applies to.
3458     * @param set The set of activities that the user was picking from when
3459     * this preference was made.
3460     * @param activity The component name of the activity that is to be
3461     * preferred.
3462     * @hide
3463     */
3464    @Deprecated
3465    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3466            ComponentName[] set, ComponentName activity);
3467
3468    /**
3469     * Remove all preferred activity mappings, previously added with
3470     * {@link #addPreferredActivity}, from the
3471     * system whose activities are implemented in the given package name.
3472     * An application can only clear its own package(s).
3473     *
3474     * @param packageName The name of the package whose preferred activity
3475     * mappings are to be removed.
3476     */
3477    public abstract void clearPackagePreferredActivities(String packageName);
3478
3479    /**
3480     * Retrieve all preferred activities, previously added with
3481     * {@link #addPreferredActivity}, that are
3482     * currently registered with the system.
3483     *
3484     * @param outFilters A list in which to place the filters of all of the
3485     * preferred activities, or null for none.
3486     * @param outActivities A list in which to place the component names of
3487     * all of the preferred activities, or null for none.
3488     * @param packageName An option package in which you would like to limit
3489     * the list.  If null, all activities will be returned; if non-null, only
3490     * those activities in the given package are returned.
3491     *
3492     * @return Returns the total number of registered preferred activities
3493     * (the number of distinct IntentFilter records, not the number of unique
3494     * activity components) that were found.
3495     */
3496    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3497            List<ComponentName> outActivities, String packageName);
3498
3499    /**
3500     * Ask for the set of available 'home' activities and the current explicit
3501     * default, if any.
3502     * @hide
3503     */
3504    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3505
3506    /**
3507     * Set the enabled setting for a package component (activity, receiver, service, provider).
3508     * This setting will override any enabled state which may have been set by the component in its
3509     * manifest.
3510     *
3511     * @param componentName The component to enable
3512     * @param newState The new enabled state for the component.  The legal values for this state
3513     *                 are:
3514     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3515     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3516     *                   and
3517     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3518     *                 The last one removes the setting, thereby restoring the component's state to
3519     *                 whatever was set in it's manifest (or enabled, by default).
3520     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3521     */
3522    public abstract void setComponentEnabledSetting(ComponentName componentName,
3523            int newState, int flags);
3524
3525
3526    /**
3527     * Return the enabled setting for a package component (activity,
3528     * receiver, service, provider).  This returns the last value set by
3529     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3530     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3531     * the value originally specified in the manifest has not been modified.
3532     *
3533     * @param componentName The component to retrieve.
3534     * @return Returns the current enabled state for the component.  May
3535     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3536     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3537     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3538     * component's enabled state is based on the original information in
3539     * the manifest as found in {@link ComponentInfo}.
3540     */
3541    public abstract int getComponentEnabledSetting(ComponentName componentName);
3542
3543    /**
3544     * Set the enabled setting for an application
3545     * This setting will override any enabled state which may have been set by the application in
3546     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3547     * application's components.  It does not override any enabled state set by
3548     * {@link #setComponentEnabledSetting} for any of the application's components.
3549     *
3550     * @param packageName The package name of the application to enable
3551     * @param newState The new enabled state for the component.  The legal values for this state
3552     *                 are:
3553     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3554     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3555     *                   and
3556     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3557     *                 The last one removes the setting, thereby restoring the applications's state to
3558     *                 whatever was set in its manifest (or enabled, by default).
3559     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3560     */
3561    public abstract void setApplicationEnabledSetting(String packageName,
3562            int newState, int flags);
3563
3564    /**
3565     * Return the enabled setting for an application. This returns
3566     * the last value set by
3567     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3568     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3569     * the value originally specified in the manifest has not been modified.
3570     *
3571     * @param packageName The package name of the application to retrieve.
3572     * @return Returns the current enabled state for the application.  May
3573     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3574     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3575     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3576     * application's enabled state is based on the original information in
3577     * the manifest as found in {@link ComponentInfo}.
3578     * @throws IllegalArgumentException if the named package does not exist.
3579     */
3580    public abstract int getApplicationEnabledSetting(String packageName);
3581
3582    /**
3583     * Puts the package in a blocked state, which is almost like an uninstalled state,
3584     * making the package unavailable, but it doesn't remove the data or the actual
3585     * package file.
3586     * @hide
3587     */
3588    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3589            UserHandle userHandle);
3590
3591    /**
3592     * Returns the blocked state of a package.
3593     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3594     * @hide
3595     */
3596    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3597            UserHandle userHandle);
3598
3599    /**
3600     * Return whether the device has been booted into safe mode.
3601     */
3602    public abstract boolean isSafeMode();
3603
3604    /**
3605     * Return the {@link KeySet} associated with the String alias for this
3606     * application.
3607     *
3608     * @param Alias The alias for a given {@link KeySet} as defined in the
3609     *        application's AndroidManifest.xml.
3610     */
3611    public abstract KeySet getKeySetByAlias(String packageName, String alias);
3612
3613    /** Return the signing {@link KeySet} for this application. */
3614    public abstract KeySet getSigningKeySet(String packageName);
3615
3616    /**
3617     * Return whether the package denoted by packageName has been signed by all
3618     * of the keys specified by the {@link KeySet} ks.  This will return true if
3619     * the package has been signed by additional keys (a superset) as well.
3620     * Compare to {@link #isSignedByExactly(String packageName, KeySet ks)}.
3621     */
3622    public abstract boolean isSignedBy(String packageName, KeySet ks);
3623
3624    /**
3625     * Return whether the package denoted by packageName has been signed by all
3626     * of, and only, the keys specified by the {@link KeySet} ks. Compare to
3627     * {@link #isSignedBy(String packageName, KeySet ks)}.
3628     */
3629    public abstract boolean isSignedByExactly(String packageName, KeySet ks);
3630
3631    /**
3632     * Attempts to move package resources from internal to external media or vice versa.
3633     * Since this may take a little while, the result will
3634     * be posted back to the given observer.   This call may fail if the calling context
3635     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3636     * named package cannot be found, or if the named package is a "system package".
3637     *
3638     * @param packageName The name of the package to delete
3639     * @param observer An observer callback to get notified when the package move is
3640     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3641     * called when that happens.  observer may be null to indicate that no callback is desired.
3642     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3643     * {@link #MOVE_EXTERNAL_MEDIA}
3644     *
3645     * @hide
3646     */
3647    public abstract void movePackage(
3648            String packageName, IPackageMoveObserver observer, int flags);
3649
3650    /**
3651     * Returns the device identity that verifiers can use to associate their scheme to a particular
3652     * device. This should not be used by anything other than a package verifier.
3653     *
3654     * @return identity that uniquely identifies current device
3655     * @hide
3656     */
3657    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3658
3659    /** {@hide} */
3660    public abstract PackageInstaller getPackageInstaller();
3661
3662    /**
3663     * Returns the data directory for a particular user and package, given the uid of the package.
3664     * @param uid uid of the package, including the userId and appId
3665     * @param packageName name of the package
3666     * @return the user-specific data directory for the package
3667     * @hide
3668     */
3669    public static String getDataDirForUser(int userId, String packageName) {
3670        // TODO: This should be shared with Installer's knowledge of user directory
3671        return Environment.getDataDirectory().toString() + "/user/" + userId
3672                + "/" + packageName;
3673    }
3674
3675    /**
3676     * Adds a {@link CrossProfileIntentFilter}. After calling this method all intents sent from the
3677     * user with id sourceUserId can also be be resolved by activities in the user with id
3678     * targetUserId if they match the specified intent filter.
3679     * @param filter the {@link IntentFilter} the intent has to match
3680     * @param removable if set to false, {@link clearCrossProfileIntentFilters} will not remove this
3681     * {@link CrossProfileIntentFilter}
3682     * @hide
3683     */
3684    public abstract void addCrossProfileIntentFilter(IntentFilter filter, int sourceUserId,
3685            int targetUserId, int flags);
3686
3687    /**
3688     * Clearing {@link CrossProfileIntentFilter}s which have the specified user as their
3689     * source, and have been set by the profile owner
3690     * @param sourceUserId
3691     * @hide
3692     */
3693    public abstract void clearCrossProfileIntentFilters(int sourceUserId);
3694
3695    /**
3696     * Forwards all intents for {@link packageName} for user {@link sourceUserId} to user
3697     * {@link targetUserId}.
3698     * @hide
3699     */
3700    public abstract void addCrossProfileIntentsForPackage(String packageName,
3701            int sourceUserId, int targetUserId);
3702    /**
3703     * @hide
3704     */
3705    public abstract Drawable loadItemIcon(PackageItemInfo itemInfo, ApplicationInfo appInfo);
3706}
3707