PackageManager.java revision 752af83e5b28a4225510406a0ec868585caf1ccc
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.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.Intent;
24import android.content.IntentFilter;
25import android.content.IntentSender;
26import android.content.res.Resources;
27import android.content.res.XmlResourceParser;
28import android.graphics.drawable.Drawable;
29import android.net.Uri;
30import android.os.Environment;
31import android.os.UserHandle;
32import android.util.AndroidException;
33import android.util.DisplayMetrics;
34
35import java.io.File;
36import java.util.List;
37
38/**
39 * Class for retrieving various kinds of information related to the application
40 * packages that are currently installed on the device.
41 *
42 * You can find this class through {@link Context#getPackageManager}.
43 */
44public abstract class PackageManager {
45
46    /**
47     * This exception is thrown when a given package, application, or component
48     * name can not be found.
49     */
50    public static class NameNotFoundException extends AndroidException {
51        public NameNotFoundException() {
52        }
53
54        public NameNotFoundException(String name) {
55            super(name);
56        }
57    }
58
59    /**
60     * {@link PackageInfo} flag: return information about
61     * activities in the package in {@link PackageInfo#activities}.
62     */
63    public static final int GET_ACTIVITIES              = 0x00000001;
64
65    /**
66     * {@link PackageInfo} flag: return information about
67     * intent receivers in the package in
68     * {@link PackageInfo#receivers}.
69     */
70    public static final int GET_RECEIVERS               = 0x00000002;
71
72    /**
73     * {@link PackageInfo} flag: return information about
74     * services in the package in {@link PackageInfo#services}.
75     */
76    public static final int GET_SERVICES                = 0x00000004;
77
78    /**
79     * {@link PackageInfo} flag: return information about
80     * content providers in the package in
81     * {@link PackageInfo#providers}.
82     */
83    public static final int GET_PROVIDERS               = 0x00000008;
84
85    /**
86     * {@link PackageInfo} flag: return information about
87     * instrumentation in the package in
88     * {@link PackageInfo#instrumentation}.
89     */
90    public static final int GET_INSTRUMENTATION         = 0x00000010;
91
92    /**
93     * {@link PackageInfo} flag: return information about the
94     * intent filters supported by the activity.
95     */
96    public static final int GET_INTENT_FILTERS          = 0x00000020;
97
98    /**
99     * {@link PackageInfo} flag: return information about the
100     * signatures included in the package.
101     */
102    public static final int GET_SIGNATURES          = 0x00000040;
103
104    /**
105     * {@link ResolveInfo} flag: return the IntentFilter that
106     * was matched for a particular ResolveInfo in
107     * {@link ResolveInfo#filter}.
108     */
109    public static final int GET_RESOLVED_FILTER         = 0x00000040;
110
111    /**
112     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
113     * data {@link android.os.Bundle}s that are associated with a component.
114     * This applies for any API returning a ComponentInfo subclass.
115     */
116    public static final int GET_META_DATA               = 0x00000080;
117
118    /**
119     * {@link PackageInfo} flag: return the
120     * {@link PackageInfo#gids group ids} that are associated with an
121     * application.
122     * This applies for any API returning a PackageInfo class, either
123     * directly or nested inside of another.
124     */
125    public static final int GET_GIDS                    = 0x00000100;
126
127    /**
128     * {@link PackageInfo} flag: include disabled components in the returned info.
129     */
130    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
131
132    /**
133     * {@link ApplicationInfo} flag: return the
134     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
135     * that are associated with an application.
136     * This applies for any API returning an ApplicationInfo class, either
137     * directly or nested inside of another.
138     */
139    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
140
141    /**
142     * {@link ProviderInfo} flag: return the
143     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
144     * that are associated with a content provider.
145     * This applies for any API returning a ProviderInfo class, either
146     * directly or nested inside of another.
147     */
148    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
149    /**
150     * {@link PackageInfo} flag: return information about
151     * permissions in the package in
152     * {@link PackageInfo#permissions}.
153     */
154    public static final int GET_PERMISSIONS               = 0x00001000;
155
156    /**
157     * Flag parameter to retrieve some information about all applications (even
158     * uninstalled ones) which have data directories. This state could have
159     * resulted if applications have been deleted with flag
160     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
161     * reinstalled in future.
162     * <p>
163     * Note: this flag may cause less information about currently installed
164     * applications to be returned.
165     */
166    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
167
168    /**
169     * {@link PackageInfo} flag: return information about
170     * hardware preferences in
171     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
172     * requested features in {@link PackageInfo#reqFeatures
173     * PackageInfo.reqFeatures}.
174     */
175    public static final int GET_CONFIGURATIONS = 0x00004000;
176
177    /**
178     * Resolution and querying flag: if set, only filters that support the
179     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
180     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
181     * supplied Intent.
182     */
183    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
184
185    /**
186     * Permission check result: this is returned by {@link #checkPermission}
187     * if the permission has been granted to the given package.
188     */
189    public static final int PERMISSION_GRANTED = 0;
190
191    /**
192     * Permission check result: this is returned by {@link #checkPermission}
193     * if the permission has not been granted to the given package.
194     */
195    public static final int PERMISSION_DENIED = -1;
196
197    /**
198     * Signature check result: this is returned by {@link #checkSignatures}
199     * if all signatures on the two packages match.
200     */
201    public static final int SIGNATURE_MATCH = 0;
202
203    /**
204     * Signature check result: this is returned by {@link #checkSignatures}
205     * if neither of the two packages is signed.
206     */
207    public static final int SIGNATURE_NEITHER_SIGNED = 1;
208
209    /**
210     * Signature check result: this is returned by {@link #checkSignatures}
211     * if the first package is not signed but the second is.
212     */
213    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
214
215    /**
216     * Signature check result: this is returned by {@link #checkSignatures}
217     * if the second package is not signed but the first is.
218     */
219    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
220
221    /**
222     * Signature check result: this is returned by {@link #checkSignatures}
223     * if not all signatures on both packages match.
224     */
225    public static final int SIGNATURE_NO_MATCH = -3;
226
227    /**
228     * Signature check result: this is returned by {@link #checkSignatures}
229     * if either of the packages are not valid.
230     */
231    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
232
233    /**
234     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
235     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
236     * component or application is in its default enabled state (as specified
237     * in its manifest).
238     */
239    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
240
241    /**
242     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
243     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
244     * component or application has been explictily enabled, regardless of
245     * what it has specified in its manifest.
246     */
247    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
248
249    /**
250     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
251     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
252     * component or application has been explicitly disabled, regardless of
253     * what it has specified in its manifest.
254     */
255    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
256
257    /**
258     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
259     * user has explicitly disabled the application, regardless of what it has
260     * specified in its manifest.  Because this is due to the user's request,
261     * they may re-enable it if desired through the appropriate system UI.  This
262     * option currently <strong>can not</strong> be used with
263     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
264     */
265    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
266
267    /**
268     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
269     * indicate that this package should be installed as forward locked, i.e. only the app itself
270     * should have access to its code and non-resource assets.
271     * @hide
272     */
273    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
274
275    /**
276     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
277     * installed package, if one exists.
278     * @hide
279     */
280    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
281
282    /**
283     * Flag parameter for {@link #installPackage} to indicate that you want to
284     * allow test packages (those that have set android:testOnly in their
285     * manifest) to be installed.
286     * @hide
287     */
288    public static final int INSTALL_ALLOW_TEST = 0x00000004;
289
290    /**
291     * Flag parameter for {@link #installPackage} to indicate that this
292     * package has to be installed on the sdcard.
293     * @hide
294     */
295    public static final int INSTALL_EXTERNAL = 0x00000008;
296
297    /**
298     * Flag parameter for {@link #installPackage} to indicate that this package
299     * has to be installed on the sdcard.
300     * @hide
301     */
302    public static final int INSTALL_INTERNAL = 0x00000010;
303
304    /**
305     * Flag parameter for {@link #installPackage} to indicate that this install
306     * was initiated via ADB.
307     *
308     * @hide
309     */
310    public static final int INSTALL_FROM_ADB = 0x00000020;
311
312    /**
313     * Flag parameter for {@link #installPackage} to indicate that this install
314     * should immediately be visible to all users.
315     *
316     * @hide
317     */
318    public static final int INSTALL_ALL_USERS = 0x00000040;
319
320    /**
321     * Flag parameter for {@link #installPackage} to indicate that it is okay
322     * to install an update to an app where the newly installed app has a lower
323     * version code than the currently installed app.
324     *
325     * @hide
326     */
327    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
328
329    /**
330     * Flag parameter for
331     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
332     * that you don't want to kill the app containing the component.  Be careful when you set this
333     * since changing component states can make the containing application's behavior unpredictable.
334     */
335    public static final int DONT_KILL_APP = 0x00000001;
336
337    /**
338     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
339     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
340     * @hide
341     */
342    public static final int INSTALL_SUCCEEDED = 1;
343
344    /**
345     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
346     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
347     * already installed.
348     * @hide
349     */
350    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
351
352    /**
353     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
354     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
355     * file is invalid.
356     * @hide
357     */
358    public static final int INSTALL_FAILED_INVALID_APK = -2;
359
360    /**
361     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
362     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
363     * is invalid.
364     * @hide
365     */
366    public static final int INSTALL_FAILED_INVALID_URI = -3;
367
368    /**
369     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
370     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
371     * service found that the device didn't have enough storage space to install the app.
372     * @hide
373     */
374    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
375
376    /**
377     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
378     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
379     * package is already installed with the same name.
380     * @hide
381     */
382    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
383
384    /**
385     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
386     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
387     * the requested shared user does not exist.
388     * @hide
389     */
390    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
391
392    /**
393     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
394     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
395     * a previously installed package of the same name has a different signature
396     * than the new package (and the old package's data was not removed).
397     * @hide
398     */
399    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
400
401    /**
402     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
403     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
404     * the new package is requested a shared user which is already installed on the
405     * device and does not have matching signature.
406     * @hide
407     */
408    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
409
410    /**
411     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
412     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
413     * the new package uses a shared library that is not available.
414     * @hide
415     */
416    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
417
418    /**
419     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
420     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
421     * the new package uses a shared library that is not available.
422     * @hide
423     */
424    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
425
426    /**
427     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
428     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
429     * the new package failed while optimizing and validating its dex files,
430     * either because there was not enough storage or the validation failed.
431     * @hide
432     */
433    public static final int INSTALL_FAILED_DEXOPT = -11;
434
435    /**
436     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
437     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
438     * the new package failed because the current SDK version is older than
439     * that required by the package.
440     * @hide
441     */
442    public static final int INSTALL_FAILED_OLDER_SDK = -12;
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 new package failed because it contains a content provider with the
448     * same authority as a provider already installed in the system.
449     * @hide
450     */
451    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
452
453    /**
454     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
455     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
456     * the new package failed because the current SDK version is newer than
457     * that required by the package.
458     * @hide
459     */
460    public static final int INSTALL_FAILED_NEWER_SDK = -14;
461
462    /**
463     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
464     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
465     * the new package failed because it has specified that it is a test-only
466     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
467     * flag.
468     * @hide
469     */
470    public static final int INSTALL_FAILED_TEST_ONLY = -15;
471
472    /**
473     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
474     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
475     * the package being installed contains native code, but none that is
476     * compatible with the the device's CPU_ABI.
477     * @hide
478     */
479    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
480
481    /**
482     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
483     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
484     * the new package uses a feature that is not available.
485     * @hide
486     */
487    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
488
489    // ------ Errors related to sdcard
490    /**
491     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
492     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
493     * a secure container mount point couldn't be accessed on external media.
494     * @hide
495     */
496    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
497
498    /**
499     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
500     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
501     * the new package couldn't be installed in the specified install
502     * location.
503     * @hide
504     */
505    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
506
507    /**
508     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
509     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
510     * the new package couldn't be installed in the specified install
511     * location because the media is not available.
512     * @hide
513     */
514    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
515
516    /**
517     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
518     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
519     * the new package couldn't be installed because the verification timed out.
520     * @hide
521     */
522    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
523
524    /**
525     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
526     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
527     * the new package couldn't be installed because the verification did not succeed.
528     * @hide
529     */
530    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
531
532    /**
533     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
534     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
535     * the package changed from what the calling program expected.
536     * @hide
537     */
538    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
539
540    /**
541     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
542     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
543     * the new package is assigned a different UID than it previously held.
544     * @hide
545     */
546    public static final int INSTALL_FAILED_UID_CHANGED = -24;
547
548    /**
549     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
550     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
551     * the new package has an older version code than the currently installed package.
552     * @hide
553     */
554    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
555
556    /**
557     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
558     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
559     * if the parser was given a path that is not a file, or does not end with the expected
560     * '.apk' extension.
561     * @hide
562     */
563    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
564
565    /**
566     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
567     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
568     * if the parser was unable to retrieve the AndroidManifest.xml file.
569     * @hide
570     */
571    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
572
573    /**
574     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
575     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
576     * if the parser encountered an unexpected exception.
577     * @hide
578     */
579    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
580
581    /**
582     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
583     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
584     * if the parser did not find any certificates in the .apk.
585     * @hide
586     */
587    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
588
589    /**
590     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
591     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
592     * if the parser found inconsistent certificates on the files in the .apk.
593     * @hide
594     */
595    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
596
597    /**
598     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
599     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
600     * if the parser encountered a CertificateEncodingException in one of the
601     * files in the .apk.
602     * @hide
603     */
604    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
605
606    /**
607     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
608     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
609     * if the parser encountered a bad or missing package name in the manifest.
610     * @hide
611     */
612    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
613
614    /**
615     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
616     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
617     * if the parser encountered a bad shared user id name in the manifest.
618     * @hide
619     */
620    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
621
622    /**
623     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
624     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
625     * if the parser encountered some structural problem in the manifest.
626     * @hide
627     */
628    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
629
630    /**
631     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
632     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
633     * if the parser did not find any actionable tags (instrumentation or application)
634     * in the manifest.
635     * @hide
636     */
637    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
638
639    /**
640     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
641     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
642     * if the system failed to install the package because of system issues.
643     * @hide
644     */
645    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
646
647    /**
648     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
649     * package's data directory.
650     *
651     * @hide
652     */
653    public static final int DELETE_KEEP_DATA = 0x00000001;
654
655    /**
656     * Flag parameter for {@link #deletePackage} to indicate that you want the
657     * package deleted for all users.
658     *
659     * @hide
660     */
661    public static final int DELETE_ALL_USERS = 0x00000002;
662
663    /**
664     * Return code for when package deletion succeeds. This is passed to the
665     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
666     * succeeded in deleting the package.
667     *
668     * @hide
669     */
670    public static final int DELETE_SUCCEEDED = 1;
671
672    /**
673     * Deletion failed return code: this is passed to the
674     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
675     * failed to delete the package for an unspecified reason.
676     *
677     * @hide
678     */
679    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
680
681    /**
682     * Deletion failed return code: this is passed to the
683     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
684     * failed to delete the package because it is the active DevicePolicy
685     * manager.
686     *
687     * @hide
688     */
689    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
690
691    /**
692     * Return code that is passed to the {@link IPackageMoveObserver} by
693     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
694     * package has been successfully moved by the system.
695     *
696     * @hide
697     */
698    public static final int MOVE_SUCCEEDED = 1;
699    /**
700     * Error code that is passed to the {@link IPackageMoveObserver} by
701     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
702     * when the package hasn't been successfully moved by the system
703     * because of insufficient memory on specified media.
704     * @hide
705     */
706    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
707
708    /**
709     * Error code that is passed to the {@link IPackageMoveObserver} by
710     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
711     * if the specified package doesn't exist.
712     * @hide
713     */
714    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
715
716    /**
717     * Error code that is passed to the {@link IPackageMoveObserver} by
718     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
719     * if the specified package cannot be moved since its a system package.
720     * @hide
721     */
722    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
723
724    /**
725     * Error code that is passed to the {@link IPackageMoveObserver} by
726     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
727     * if the specified package cannot be moved since its forward locked.
728     * @hide
729     */
730    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
731
732    /**
733     * Error code that is passed to the {@link IPackageMoveObserver} by
734     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
735     * if the specified package cannot be moved to the specified location.
736     * @hide
737     */
738    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
739
740    /**
741     * Error code that is passed to the {@link IPackageMoveObserver} by
742     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
743     * if the specified package cannot be moved to the specified location.
744     * @hide
745     */
746    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
747
748    /**
749     * Error code that is passed to the {@link IPackageMoveObserver} by
750     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
751     * specified package already has an operation pending in the
752     * {@link PackageHandler} queue.
753     *
754     * @hide
755     */
756    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
757
758    /**
759     * Flag parameter for {@link #movePackage} to indicate that
760     * the package should be moved to internal storage if its
761     * been installed on external media.
762     * @hide
763     */
764    public static final int MOVE_INTERNAL = 0x00000001;
765
766    /**
767     * Flag parameter for {@link #movePackage} to indicate that
768     * the package should be moved to external media.
769     * @hide
770     */
771    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
772
773    /**
774     * Usable by the required verifier as the {@code verificationCode} argument
775     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
776     * allow the installation to proceed without any of the optional verifiers
777     * needing to vote.
778     *
779     * @hide
780     */
781    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
782
783    /**
784     * Used as the {@code verificationCode} argument for
785     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
786     * package verifier allows the installation to proceed.
787     */
788    public static final int VERIFICATION_ALLOW = 1;
789
790    /**
791     * Used as the {@code verificationCode} argument for
792     * {@link PackageManager#verifyPendingInstall} to indicate the calling
793     * package verifier does not vote to allow the installation to proceed.
794     */
795    public static final int VERIFICATION_REJECT = -1;
796
797    /**
798     * Can be used as the {@code millisecondsToDelay} argument for
799     * {@link PackageManager#extendVerificationTimeout}. This is the
800     * maximum time {@code PackageManager} waits for the verification
801     * agent to return (in milliseconds).
802     */
803    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
804
805    /**
806     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
807     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
808     * lag in sound input or output.
809     */
810    @SdkConstant(SdkConstantType.FEATURE)
811    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
812
813    /**
814     * Feature for {@link #getSystemAvailableFeatures} and
815     * {@link #hasSystemFeature}: The device is capable of communicating with
816     * other devices via Bluetooth.
817     */
818    @SdkConstant(SdkConstantType.FEATURE)
819    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
820
821    /**
822     * Feature for {@link #getSystemAvailableFeatures} and
823     * {@link #hasSystemFeature}: The device has a camera facing away
824     * from the screen.
825     */
826    @SdkConstant(SdkConstantType.FEATURE)
827    public static final String FEATURE_CAMERA = "android.hardware.camera";
828
829    /**
830     * Feature for {@link #getSystemAvailableFeatures} and
831     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
832     */
833    @SdkConstant(SdkConstantType.FEATURE)
834    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
835
836    /**
837     * Feature for {@link #getSystemAvailableFeatures} and
838     * {@link #hasSystemFeature}: The device has at least one camera pointing in
839     * some direction.
840     * @hide
841     */
842    @SdkConstant(SdkConstantType.FEATURE)
843    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
844
845    /**
846     * Feature for {@link #getSystemAvailableFeatures} and
847     * {@link #hasSystemFeature}: The device's camera supports flash.
848     */
849    @SdkConstant(SdkConstantType.FEATURE)
850    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
851
852    /**
853     * Feature for {@link #getSystemAvailableFeatures} and
854     * {@link #hasSystemFeature}: The device has a front facing camera.
855     */
856    @SdkConstant(SdkConstantType.FEATURE)
857    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
858
859    /**
860     * Feature for {@link #getSystemAvailableFeatures} and
861     * {@link #hasSystemFeature}: The device supports one or more methods of
862     * reporting current location.
863     */
864    @SdkConstant(SdkConstantType.FEATURE)
865    public static final String FEATURE_LOCATION = "android.hardware.location";
866
867    /**
868     * Feature for {@link #getSystemAvailableFeatures} and
869     * {@link #hasSystemFeature}: The device has a Global Positioning System
870     * receiver and can report precise location.
871     */
872    @SdkConstant(SdkConstantType.FEATURE)
873    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
874
875    /**
876     * Feature for {@link #getSystemAvailableFeatures} and
877     * {@link #hasSystemFeature}: The device can report location with coarse
878     * accuracy using a network-based geolocation system.
879     */
880    @SdkConstant(SdkConstantType.FEATURE)
881    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
882
883    /**
884     * Feature for {@link #getSystemAvailableFeatures} and
885     * {@link #hasSystemFeature}: The device can record audio via a
886     * microphone.
887     */
888    @SdkConstant(SdkConstantType.FEATURE)
889    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
890
891    /**
892     * Feature for {@link #getSystemAvailableFeatures} and
893     * {@link #hasSystemFeature}: The device can communicate using Near-Field
894     * Communications (NFC).
895     */
896    @SdkConstant(SdkConstantType.FEATURE)
897    public static final String FEATURE_NFC = "android.hardware.nfc";
898
899    /**
900     * Feature for {@link #getSystemAvailableFeatures} and
901     * {@link #hasSystemFeature}: The device includes an accelerometer.
902     */
903    @SdkConstant(SdkConstantType.FEATURE)
904    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
905
906    /**
907     * Feature for {@link #getSystemAvailableFeatures} and
908     * {@link #hasSystemFeature}: The device includes a barometer (air
909     * pressure sensor.)
910     */
911    @SdkConstant(SdkConstantType.FEATURE)
912    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
913
914    /**
915     * Feature for {@link #getSystemAvailableFeatures} and
916     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
917     */
918    @SdkConstant(SdkConstantType.FEATURE)
919    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
920
921    /**
922     * Feature for {@link #getSystemAvailableFeatures} and
923     * {@link #hasSystemFeature}: The device includes a gyroscope.
924     */
925    @SdkConstant(SdkConstantType.FEATURE)
926    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
927
928    /**
929     * Feature for {@link #getSystemAvailableFeatures} and
930     * {@link #hasSystemFeature}: The device includes a light sensor.
931     */
932    @SdkConstant(SdkConstantType.FEATURE)
933    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
934
935    /**
936     * Feature for {@link #getSystemAvailableFeatures} and
937     * {@link #hasSystemFeature}: The device includes a proximity sensor.
938     */
939    @SdkConstant(SdkConstantType.FEATURE)
940    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
941
942    /**
943     * Feature for {@link #getSystemAvailableFeatures} and
944     * {@link #hasSystemFeature}: The device has a telephony radio with data
945     * communication support.
946     */
947    @SdkConstant(SdkConstantType.FEATURE)
948    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
949
950    /**
951     * Feature for {@link #getSystemAvailableFeatures} and
952     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
953     */
954    @SdkConstant(SdkConstantType.FEATURE)
955    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
956
957    /**
958     * Feature for {@link #getSystemAvailableFeatures} and
959     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
960     */
961    @SdkConstant(SdkConstantType.FEATURE)
962    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
963
964    /**
965     * Feature for {@link #getSystemAvailableFeatures} and
966     * {@link #hasSystemFeature}: The device supports connecting to USB devices
967     * as the USB host.
968     */
969    @SdkConstant(SdkConstantType.FEATURE)
970    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
971
972    /**
973     * Feature for {@link #getSystemAvailableFeatures} and
974     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
975     */
976    @SdkConstant(SdkConstantType.FEATURE)
977    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
978
979    /**
980     * Feature for {@link #getSystemAvailableFeatures} and
981     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
982     */
983    @SdkConstant(SdkConstantType.FEATURE)
984    public static final String FEATURE_SIP = "android.software.sip";
985
986    /**
987     * Feature for {@link #getSystemAvailableFeatures} and
988     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
989     */
990    @SdkConstant(SdkConstantType.FEATURE)
991    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
992
993    /**
994     * Feature for {@link #getSystemAvailableFeatures} and
995     * {@link #hasSystemFeature}: The device's display has a touch screen.
996     */
997    @SdkConstant(SdkConstantType.FEATURE)
998    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
999
1000
1001    /**
1002     * Feature for {@link #getSystemAvailableFeatures} and
1003     * {@link #hasSystemFeature}: The device's touch screen supports
1004     * multitouch sufficient for basic two-finger gesture detection.
1005     */
1006    @SdkConstant(SdkConstantType.FEATURE)
1007    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1008
1009    /**
1010     * Feature for {@link #getSystemAvailableFeatures} and
1011     * {@link #hasSystemFeature}: The device's touch screen is capable of
1012     * tracking two or more fingers fully independently.
1013     */
1014    @SdkConstant(SdkConstantType.FEATURE)
1015    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1016
1017    /**
1018     * Feature for {@link #getSystemAvailableFeatures} and
1019     * {@link #hasSystemFeature}: The device's touch screen is capable of
1020     * tracking a full hand of fingers fully independently -- that is, 5 or
1021     * more simultaneous independent pointers.
1022     */
1023    @SdkConstant(SdkConstantType.FEATURE)
1024    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1025
1026    /**
1027     * Feature for {@link #getSystemAvailableFeatures} and
1028     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1029     * does support touch emulation for basic events. For instance, the
1030     * device might use a mouse or remote control to drive a cursor, and
1031     * emulate basic touch pointer events like down, up, drag, etc. All
1032     * devices that support android.hardware.touchscreen or a sub-feature are
1033     * presumed to also support faketouch.
1034     */
1035    @SdkConstant(SdkConstantType.FEATURE)
1036    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1037
1038    /**
1039     * Feature for {@link #getSystemAvailableFeatures} and
1040     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1041     * does support touch emulation for basic events that supports distinct
1042     * tracking of two or more fingers.  This is an extension of
1043     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1044     * that unlike a distinct multitouch screen as defined by
1045     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1046     * devices will not actually provide full two-finger gestures since the
1047     * input is being transformed to cursor movement on the screen.  That is,
1048     * single finger gestures will move a cursor; two-finger swipes will
1049     * result in single-finger touch events; other two-finger gestures will
1050     * result in the corresponding two-finger touch event.
1051     */
1052    @SdkConstant(SdkConstantType.FEATURE)
1053    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1054
1055    /**
1056     * Feature for {@link #getSystemAvailableFeatures} and
1057     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1058     * does support touch emulation for basic events that supports tracking
1059     * a hand of fingers (5 or more fingers) fully independently.
1060     * This is an extension of
1061     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1062     * that unlike a multitouch screen as defined by
1063     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1064     * gestures can be detected due to the limitations described for
1065     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1066     */
1067    @SdkConstant(SdkConstantType.FEATURE)
1068    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1069
1070    /**
1071     * Feature for {@link #getSystemAvailableFeatures} and
1072     * {@link #hasSystemFeature}: The device supports portrait orientation
1073     * screens.  For backwards compatibility, you can assume that if neither
1074     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1075     * both portrait and landscape.
1076     */
1077    @SdkConstant(SdkConstantType.FEATURE)
1078    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1079
1080    /**
1081     * Feature for {@link #getSystemAvailableFeatures} and
1082     * {@link #hasSystemFeature}: The device supports landscape orientation
1083     * screens.  For backwards compatibility, you can assume that if neither
1084     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1085     * both portrait and landscape.
1086     */
1087    @SdkConstant(SdkConstantType.FEATURE)
1088    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1089
1090    /**
1091     * Feature for {@link #getSystemAvailableFeatures} and
1092     * {@link #hasSystemFeature}: The device supports live wallpapers.
1093     */
1094    @SdkConstant(SdkConstantType.FEATURE)
1095    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1096
1097    /**
1098     * Feature for {@link #getSystemAvailableFeatures} and
1099     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1100     */
1101    @SdkConstant(SdkConstantType.FEATURE)
1102    public static final String FEATURE_WIFI = "android.hardware.wifi";
1103
1104    /**
1105     * Feature for {@link #getSystemAvailableFeatures} and
1106     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1107     */
1108    @SdkConstant(SdkConstantType.FEATURE)
1109    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1110
1111    /**
1112     * Feature for {@link #getSystemAvailableFeatures} and
1113     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1114     * on a television.  Television here is defined to be a typical living
1115     * room television experience: displayed on a big screen, where the user
1116     * is sitting far away from it, and the dominant form of input will be
1117     * something like a DPAD, not through touch or mouse.
1118     */
1119    @SdkConstant(SdkConstantType.FEATURE)
1120    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1121
1122    /**
1123     * Action to external storage service to clean out removed apps.
1124     * @hide
1125     */
1126    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1127            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1128
1129    /**
1130     * Extra field name for the URI to a verification file. Passed to a package
1131     * verifier.
1132     *
1133     * @hide
1134     */
1135    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1136
1137    /**
1138     * Extra field name for the ID of a package pending verification. Passed to
1139     * a package verifier and is used to call back to
1140     * {@link PackageManager#verifyPendingInstall(int, int)}
1141     */
1142    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1143
1144    /**
1145     * Extra field name for the package identifier which is trying to install
1146     * the package.
1147     *
1148     * @hide
1149     */
1150    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1151            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1152
1153    /**
1154     * Extra field name for the requested install flags for a package pending
1155     * verification. Passed to a package verifier.
1156     *
1157     * @hide
1158     */
1159    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1160            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1161
1162    /**
1163     * Extra field name for the uid of who is requesting to install
1164     * the package.
1165     *
1166     * @hide
1167     */
1168    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1169            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1170
1171    /**
1172     * Extra field name for the package name of a package pending verification.
1173     *
1174     * @hide
1175     */
1176    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1177            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1178    /**
1179     * Extra field name for the result of a verification, either
1180     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1181     * Passed to package verifiers after a package is verified.
1182     */
1183    public static final String EXTRA_VERIFICATION_RESULT
1184            = "android.content.pm.extra.VERIFICATION_RESULT";
1185
1186    /**
1187     * Extra field name for the version code of a package pending verification.
1188     *
1189     * @hide
1190     */
1191    public static final String EXTRA_VERIFICATION_VERSION_CODE
1192            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1193
1194    /**
1195     * Retrieve overall information about an application package that is
1196     * installed on the system.
1197     * <p>
1198     * Throws {@link NameNotFoundException} if a package with the given name can
1199     * not be found on the system.
1200     *
1201     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1202     *            desired package.
1203     * @param flags Additional option flags. Use any combination of
1204     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1205     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1206     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1207     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1208     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1209     *            modify the data returned.
1210     * @return Returns a PackageInfo object containing information about the
1211     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1212     *         package is not found in the list of installed applications, the
1213     *         package information is retrieved from the list of uninstalled
1214     *         applications(which includes installed applications as well as
1215     *         applications with data directory ie applications which had been
1216     *         deleted with DONT_DELTE_DATA flag set).
1217     * @see #GET_ACTIVITIES
1218     * @see #GET_GIDS
1219     * @see #GET_CONFIGURATIONS
1220     * @see #GET_INSTRUMENTATION
1221     * @see #GET_PERMISSIONS
1222     * @see #GET_PROVIDERS
1223     * @see #GET_RECEIVERS
1224     * @see #GET_SERVICES
1225     * @see #GET_SIGNATURES
1226     * @see #GET_UNINSTALLED_PACKAGES
1227     */
1228    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1229            throws NameNotFoundException;
1230
1231    /**
1232     * Map from the current package names in use on the device to whatever
1233     * the current canonical name of that package is.
1234     * @param names Array of current names to be mapped.
1235     * @return Returns an array of the same size as the original, containing
1236     * the canonical name for each package.
1237     */
1238    public abstract String[] currentToCanonicalPackageNames(String[] names);
1239
1240    /**
1241     * Map from a packages canonical name to the current name in use on the device.
1242     * @param names Array of new names to be mapped.
1243     * @return Returns an array of the same size as the original, containing
1244     * the current name for each package.
1245     */
1246    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1247
1248    /**
1249     * Return a "good" intent to launch a front-door activity in a package,
1250     * for use for example to implement an "open" button when browsing through
1251     * packages.  The current implementation will look first for a main
1252     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1253     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1254     * null if neither are found.
1255     *
1256     * <p>Throws {@link NameNotFoundException} if a package with the given
1257     * name can not be found on the system.
1258     *
1259     * @param packageName The name of the package to inspect.
1260     *
1261     * @return Returns either a fully-qualified Intent that can be used to
1262     * launch the main activity in the package, or null if the package does
1263     * not contain such an activity.
1264     */
1265    public abstract Intent getLaunchIntentForPackage(String packageName);
1266
1267    /**
1268     * Return an array of all of the secondary group-ids that have been
1269     * assigned to a package.
1270     *
1271     * <p>Throws {@link NameNotFoundException} if a package with the given
1272     * name can not be found on the system.
1273     *
1274     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1275     *                    desired package.
1276     *
1277     * @return Returns an int array of the assigned gids, or null if there
1278     * are none.
1279     */
1280    public abstract int[] getPackageGids(String packageName)
1281            throws NameNotFoundException;
1282
1283    /**
1284     * Retrieve all of the information we know about a particular permission.
1285     *
1286     * <p>Throws {@link NameNotFoundException} if a permission with the given
1287     * name can not be found on the system.
1288     *
1289     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1290     *             of the permission you are interested in.
1291     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1292     * retrieve any meta-data associated with the permission.
1293     *
1294     * @return Returns a {@link PermissionInfo} containing information about the
1295     *         permission.
1296     */
1297    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1298            throws NameNotFoundException;
1299
1300    /**
1301     * Query for all of the permissions associated with a particular group.
1302     *
1303     * <p>Throws {@link NameNotFoundException} if the given group does not
1304     * exist.
1305     *
1306     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1307     *             of the permission group you are interested in.  Use null to
1308     *             find all of the permissions not associated with a group.
1309     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1310     * retrieve any meta-data associated with the permissions.
1311     *
1312     * @return Returns a list of {@link PermissionInfo} containing information
1313     * about all of the permissions in the given group.
1314     */
1315    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1316            int flags) throws NameNotFoundException;
1317
1318    /**
1319     * Retrieve all of the information we know about a particular group of
1320     * permissions.
1321     *
1322     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1323     * name can not be found on the system.
1324     *
1325     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1326     *             of the permission you are interested in.
1327     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1328     * retrieve any meta-data associated with the permission group.
1329     *
1330     * @return Returns a {@link PermissionGroupInfo} containing information
1331     * about the permission.
1332     */
1333    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1334            int flags) throws NameNotFoundException;
1335
1336    /**
1337     * Retrieve all of the known permission groups in the system.
1338     *
1339     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1340     * retrieve any meta-data associated with the permission group.
1341     *
1342     * @return Returns a list of {@link PermissionGroupInfo} containing
1343     * information about all of the known permission groups.
1344     */
1345    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1346
1347    /**
1348     * Retrieve all of the information we know about a particular
1349     * package/application.
1350     *
1351     * <p>Throws {@link NameNotFoundException} if an application with the given
1352     * package name can not be found on the system.
1353     *
1354     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1355     *                    application.
1356     * @param flags Additional option flags. Use any combination of
1357     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1358     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1359     *
1360     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1361     *         information about the package.
1362     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1363     *         found in the list of installed applications,
1364     *         the application information is retrieved from the
1365     *         list of uninstalled applications(which includes
1366     *         installed applications as well as applications
1367     *         with data directory ie applications which had been
1368     *         deleted with DONT_DELTE_DATA flag set).
1369     *
1370     * @see #GET_META_DATA
1371     * @see #GET_SHARED_LIBRARY_FILES
1372     * @see #GET_UNINSTALLED_PACKAGES
1373     */
1374    public abstract ApplicationInfo getApplicationInfo(String packageName,
1375            int flags) throws NameNotFoundException;
1376
1377    /**
1378     * Retrieve all of the information we know about a particular activity
1379     * class.
1380     *
1381     * <p>Throws {@link NameNotFoundException} if an activity with the given
1382     * class name can not be found on the system.
1383     *
1384     * @param component The full component name (i.e.
1385     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1386     * class.
1387     * @param flags Additional option flags. Use any combination of
1388     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1389     * to modify the data (in ApplicationInfo) returned.
1390     *
1391     * @return {@link ActivityInfo} containing information about the activity.
1392     *
1393     * @see #GET_INTENT_FILTERS
1394     * @see #GET_META_DATA
1395     * @see #GET_SHARED_LIBRARY_FILES
1396     */
1397    public abstract ActivityInfo getActivityInfo(ComponentName component,
1398            int flags) throws NameNotFoundException;
1399
1400    /**
1401     * Retrieve all of the information we know about a particular receiver
1402     * class.
1403     *
1404     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1405     * class name can not be found on the system.
1406     *
1407     * @param component The full component name (i.e.
1408     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1409     * class.
1410     * @param flags Additional option flags.  Use any combination of
1411     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1412     * to modify the data returned.
1413     *
1414     * @return {@link ActivityInfo} containing information about the receiver.
1415     *
1416     * @see #GET_INTENT_FILTERS
1417     * @see #GET_META_DATA
1418     * @see #GET_SHARED_LIBRARY_FILES
1419     */
1420    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1421            int flags) throws NameNotFoundException;
1422
1423    /**
1424     * Retrieve all of the information we know about a particular service
1425     * class.
1426     *
1427     * <p>Throws {@link NameNotFoundException} if a service with the given
1428     * class name can not be found on the system.
1429     *
1430     * @param component The full component name (i.e.
1431     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1432     * class.
1433     * @param flags Additional option flags.  Use any combination of
1434     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1435     * to modify the data returned.
1436     *
1437     * @return ServiceInfo containing information about the service.
1438     *
1439     * @see #GET_META_DATA
1440     * @see #GET_SHARED_LIBRARY_FILES
1441     */
1442    public abstract ServiceInfo getServiceInfo(ComponentName component,
1443            int flags) throws NameNotFoundException;
1444
1445    /**
1446     * Retrieve all of the information we know about a particular content
1447     * provider class.
1448     *
1449     * <p>Throws {@link NameNotFoundException} if a provider with the given
1450     * class name can not be found on the system.
1451     *
1452     * @param component The full component name (i.e.
1453     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1454     * ContentProvider class.
1455     * @param flags Additional option flags.  Use any combination of
1456     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1457     * to modify the data returned.
1458     *
1459     * @return ProviderInfo containing information about the service.
1460     *
1461     * @see #GET_META_DATA
1462     * @see #GET_SHARED_LIBRARY_FILES
1463     */
1464    public abstract ProviderInfo getProviderInfo(ComponentName component,
1465            int flags) throws NameNotFoundException;
1466
1467    /**
1468     * Return a List of all packages that are installed
1469     * on the device.
1470     *
1471     * @param flags Additional option flags. Use any combination of
1472     * {@link #GET_ACTIVITIES},
1473     * {@link #GET_GIDS},
1474     * {@link #GET_CONFIGURATIONS},
1475     * {@link #GET_INSTRUMENTATION},
1476     * {@link #GET_PERMISSIONS},
1477     * {@link #GET_PROVIDERS},
1478     * {@link #GET_RECEIVERS},
1479     * {@link #GET_SERVICES},
1480     * {@link #GET_SIGNATURES},
1481     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1482     *
1483     * @return A List of PackageInfo objects, one for each package that is
1484     *         installed on the device.  In the unlikely case of there being no
1485     *         installed packages, an empty list is returned.
1486     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1487     *         applications including those deleted with DONT_DELETE_DATA
1488     *         (partially installed apps with data directory) will be returned.
1489     *
1490     * @see #GET_ACTIVITIES
1491     * @see #GET_GIDS
1492     * @see #GET_CONFIGURATIONS
1493     * @see #GET_INSTRUMENTATION
1494     * @see #GET_PERMISSIONS
1495     * @see #GET_PROVIDERS
1496     * @see #GET_RECEIVERS
1497     * @see #GET_SERVICES
1498     * @see #GET_SIGNATURES
1499     * @see #GET_UNINSTALLED_PACKAGES
1500     *
1501     */
1502    public abstract List<PackageInfo> getInstalledPackages(int flags);
1503
1504    /**
1505     * Return a List of all packages that are installed on the device, for a specific user.
1506     * Requesting a list of installed packages for another user
1507     * will require the permission INTERACT_ACROSS_USERS_FULL.
1508     * @param flags Additional option flags. Use any combination of
1509     * {@link #GET_ACTIVITIES},
1510     * {@link #GET_GIDS},
1511     * {@link #GET_CONFIGURATIONS},
1512     * {@link #GET_INSTRUMENTATION},
1513     * {@link #GET_PERMISSIONS},
1514     * {@link #GET_PROVIDERS},
1515     * {@link #GET_RECEIVERS},
1516     * {@link #GET_SERVICES},
1517     * {@link #GET_SIGNATURES},
1518     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1519     * @param userId The user for whom the installed packages are to be listed
1520     *
1521     * @return A List of PackageInfo objects, one for each package that is
1522     *         installed on the device.  In the unlikely case of there being no
1523     *         installed packages, an empty list is returned.
1524     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1525     *         applications including those deleted with DONT_DELETE_DATA
1526     *         (partially installed apps with data directory) will be returned.
1527     *
1528     * @see #GET_ACTIVITIES
1529     * @see #GET_GIDS
1530     * @see #GET_CONFIGURATIONS
1531     * @see #GET_INSTRUMENTATION
1532     * @see #GET_PERMISSIONS
1533     * @see #GET_PROVIDERS
1534     * @see #GET_RECEIVERS
1535     * @see #GET_SERVICES
1536     * @see #GET_SIGNATURES
1537     * @see #GET_UNINSTALLED_PACKAGES
1538     *
1539     * @hide
1540     */
1541    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1542
1543    /**
1544     * Check whether a particular package has been granted a particular
1545     * permission.
1546     *
1547     * @param permName The name of the permission you are checking for,
1548     * @param pkgName The name of the package you are checking against.
1549     *
1550     * @return If the package has the permission, PERMISSION_GRANTED is
1551     * returned.  If it does not have the permission, PERMISSION_DENIED
1552     * is returned.
1553     *
1554     * @see #PERMISSION_GRANTED
1555     * @see #PERMISSION_DENIED
1556     */
1557    public abstract int checkPermission(String permName, String pkgName);
1558
1559    /**
1560     * Add a new dynamic permission to the system.  For this to work, your
1561     * package must have defined a permission tree through the
1562     * {@link android.R.styleable#AndroidManifestPermissionTree
1563     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1564     * permissions to trees that were defined by either its own package or
1565     * another with the same user id; a permission is in a tree if it
1566     * matches the name of the permission tree + ".": for example,
1567     * "com.foo.bar" is a member of the permission tree "com.foo".
1568     *
1569     * <p>It is good to make your permission tree name descriptive, because you
1570     * are taking possession of that entire set of permission names.  Thus, it
1571     * must be under a domain you control, with a suffix that will not match
1572     * any normal permissions that may be declared in any applications that
1573     * are part of that domain.
1574     *
1575     * <p>New permissions must be added before
1576     * any .apks are installed that use those permissions.  Permissions you
1577     * add through this method are remembered across reboots of the device.
1578     * If the given permission already exists, the info you supply here
1579     * will be used to update it.
1580     *
1581     * @param info Description of the permission to be added.
1582     *
1583     * @return Returns true if a new permission was created, false if an
1584     * existing one was updated.
1585     *
1586     * @throws SecurityException if you are not allowed to add the
1587     * given permission name.
1588     *
1589     * @see #removePermission(String)
1590     */
1591    public abstract boolean addPermission(PermissionInfo info);
1592
1593    /**
1594     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1595     * persists the package manager state after returning from the call,
1596     * allowing it to return quicker and batch a series of adds at the
1597     * expense of no guarantee the added permission will be retained if
1598     * the device is rebooted before it is written.
1599     */
1600    public abstract boolean addPermissionAsync(PermissionInfo info);
1601
1602    /**
1603     * Removes a permission that was previously added with
1604     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1605     * -- you are only allowed to remove permissions that you are allowed
1606     * to add.
1607     *
1608     * @param name The name of the permission to remove.
1609     *
1610     * @throws SecurityException if you are not allowed to remove the
1611     * given permission name.
1612     *
1613     * @see #addPermission(PermissionInfo)
1614     */
1615    public abstract void removePermission(String name);
1616
1617    /**
1618     * Grant a permission to an application which the application does not
1619     * already have.  The permission must have been requested by the application,
1620     * but as an optional permission.  If the application is not allowed to
1621     * hold the permission, a SecurityException is thrown.
1622     * @hide
1623     *
1624     * @param packageName The name of the package that the permission will be
1625     * granted to.
1626     * @param permissionName The name of the permission.
1627     */
1628    public abstract void grantPermission(String packageName, String permissionName);
1629
1630    /**
1631     * Revoke a permission that was previously granted by {@link #grantPermission}.
1632     * @hide
1633     *
1634     * @param packageName The name of the package that the permission will be
1635     * granted to.
1636     * @param permissionName The name of the permission.
1637     */
1638    public abstract void revokePermission(String packageName, String permissionName);
1639
1640    /**
1641     * Compare the signatures of two packages to determine if the same
1642     * signature appears in both of them.  If they do contain the same
1643     * signature, then they are allowed special privileges when working
1644     * with each other: they can share the same user-id, run instrumentation
1645     * against each other, etc.
1646     *
1647     * @param pkg1 First package name whose signature will be compared.
1648     * @param pkg2 Second package name whose signature will be compared.
1649     *
1650     * @return Returns an integer indicating whether all signatures on the
1651     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1652     * all signatures match or < 0 if there is not a match ({@link
1653     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1654     *
1655     * @see #checkSignatures(int, int)
1656     * @see #SIGNATURE_MATCH
1657     * @see #SIGNATURE_NO_MATCH
1658     * @see #SIGNATURE_UNKNOWN_PACKAGE
1659     */
1660    public abstract int checkSignatures(String pkg1, String pkg2);
1661
1662    /**
1663     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1664     * the two packages to be checked.  This can be useful, for example,
1665     * when doing the check in an IPC, where the UID is the only identity
1666     * available.  It is functionally identical to determining the package
1667     * associated with the UIDs and checking their signatures.
1668     *
1669     * @param uid1 First UID whose signature will be compared.
1670     * @param uid2 Second UID whose signature will be compared.
1671     *
1672     * @return Returns an integer indicating whether all signatures on the
1673     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1674     * all signatures match or < 0 if there is not a match ({@link
1675     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1676     *
1677     * @see #checkSignatures(String, String)
1678     * @see #SIGNATURE_MATCH
1679     * @see #SIGNATURE_NO_MATCH
1680     * @see #SIGNATURE_UNKNOWN_PACKAGE
1681     */
1682    public abstract int checkSignatures(int uid1, int uid2);
1683
1684    /**
1685     * Retrieve the names of all packages that are associated with a particular
1686     * user id.  In most cases, this will be a single package name, the package
1687     * that has been assigned that user id.  Where there are multiple packages
1688     * sharing the same user id through the "sharedUserId" mechanism, all
1689     * packages with that id will be returned.
1690     *
1691     * @param uid The user id for which you would like to retrieve the
1692     * associated packages.
1693     *
1694     * @return Returns an array of one or more packages assigned to the user
1695     * id, or null if there are no known packages with the given id.
1696     */
1697    public abstract String[] getPackagesForUid(int uid);
1698
1699    /**
1700     * Retrieve the official name associated with a user id.  This name is
1701     * guaranteed to never change, though it is possibly for the underlying
1702     * user id to be changed.  That is, if you are storing information about
1703     * user ids in persistent storage, you should use the string returned
1704     * by this function instead of the raw user-id.
1705     *
1706     * @param uid The user id for which you would like to retrieve a name.
1707     * @return Returns a unique name for the given user id, or null if the
1708     * user id is not currently assigned.
1709     */
1710    public abstract String getNameForUid(int uid);
1711
1712    /**
1713     * Return the user id associated with a shared user name. Multiple
1714     * applications can specify a shared user name in their manifest and thus
1715     * end up using a common uid. This might be used for new applications
1716     * that use an existing shared user name and need to know the uid of the
1717     * shared user.
1718     *
1719     * @param sharedUserName The shared user name whose uid is to be retrieved.
1720     * @return Returns the uid associated with the shared user, or  NameNotFoundException
1721     * if the shared user name is not being used by any installed packages
1722     * @hide
1723     */
1724    public abstract int getUidForSharedUser(String sharedUserName)
1725            throws NameNotFoundException;
1726
1727    /**
1728     * Return a List of all application packages that are installed on the
1729     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
1730     * applications including those deleted with DONT_DELETE_DATA(partially
1731     * installed apps with data directory) will be returned.
1732     *
1733     * @param flags Additional option flags. Use any combination of
1734     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1735     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1736     *
1737     * @return A List of ApplicationInfo objects, one for each application that
1738     *         is installed on the device.  In the unlikely case of there being
1739     *         no installed applications, an empty list is returned.
1740     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1741     *         applications including those deleted with DONT_DELETE_DATA
1742     *         (partially installed apps with data directory) will be returned.
1743     *
1744     * @see #GET_META_DATA
1745     * @see #GET_SHARED_LIBRARY_FILES
1746     * @see #GET_UNINSTALLED_PACKAGES
1747     */
1748    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
1749
1750    /**
1751     * Get a list of shared libraries that are available on the
1752     * system.
1753     *
1754     * @return An array of shared library names that are
1755     * available on the system, or null if none are installed.
1756     *
1757     */
1758    public abstract String[] getSystemSharedLibraryNames();
1759
1760    /**
1761     * Get a list of features that are available on the
1762     * system.
1763     *
1764     * @return An array of FeatureInfo classes describing the features
1765     * that are available on the system, or null if there are none(!!).
1766     */
1767    public abstract FeatureInfo[] getSystemAvailableFeatures();
1768
1769    /**
1770     * Check whether the given feature name is one of the available
1771     * features as returned by {@link #getSystemAvailableFeatures()}.
1772     *
1773     * @return Returns true if the devices supports the feature, else
1774     * false.
1775     */
1776    public abstract boolean hasSystemFeature(String name);
1777
1778    /**
1779     * Determine the best action to perform for a given Intent.  This is how
1780     * {@link Intent#resolveActivity} finds an activity if a class has not
1781     * been explicitly specified.
1782     *
1783     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
1784     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
1785     * only flag.  You need to do so to resolve the activity in the same way
1786     * that {@link android.content.Context#startActivity(Intent)} and
1787     * {@link android.content.Intent#resolveActivity(PackageManager)
1788     * Intent.resolveActivity(PackageManager)} do.</p>
1789     *
1790     * @param intent An intent containing all of the desired specification
1791     *               (action, data, type, category, and/or component).
1792     * @param flags Additional option flags.  The most important is
1793     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1794     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1795     *
1796     * @return Returns a ResolveInfo containing the final activity intent that
1797     *         was determined to be the best action.  Returns null if no
1798     *         matching activity was found. If multiple matching activities are
1799     *         found and there is no default set, returns a ResolveInfo
1800     *         containing something else, such as the activity resolver.
1801     *
1802     * @see #MATCH_DEFAULT_ONLY
1803     * @see #GET_INTENT_FILTERS
1804     * @see #GET_RESOLVED_FILTER
1805     */
1806    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
1807
1808    /**
1809     * Retrieve all activities that can be performed for the given intent.
1810     *
1811     * @param intent The desired intent as per resolveActivity().
1812     * @param flags Additional option flags.  The most important is
1813     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1814     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1815     *
1816     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1817     *         Activity. These are ordered from best to worst match -- that
1818     *         is, the first item in the list is what is returned by
1819     *         {@link #resolveActivity}.  If there are no matching activities, an empty
1820     *         list is returned.
1821     *
1822     * @see #MATCH_DEFAULT_ONLY
1823     * @see #GET_INTENT_FILTERS
1824     * @see #GET_RESOLVED_FILTER
1825     */
1826    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
1827            int flags);
1828
1829    /**
1830     * Retrieve all activities that can be performed for the given intent, for a specific user.
1831     *
1832     * @param intent The desired intent as per resolveActivity().
1833     * @param flags Additional option flags.  The most important is
1834     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1835     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1836     *
1837     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1838     *         Activity. These are ordered from best to worst match -- that
1839     *         is, the first item in the list is what is returned by
1840     *         {@link #resolveActivity}.  If there are no matching activities, an empty
1841     *         list is returned.
1842     *
1843     * @see #MATCH_DEFAULT_ONLY
1844     * @see #GET_INTENT_FILTERS
1845     * @see #GET_RESOLVED_FILTER
1846     * @hide
1847     */
1848    public abstract List<ResolveInfo> queryIntentActivitiesForUser(Intent intent,
1849            int flags, int userId);
1850
1851
1852    /**
1853     * Retrieve a set of activities that should be presented to the user as
1854     * similar options.  This is like {@link #queryIntentActivities}, except it
1855     * also allows you to supply a list of more explicit Intents that you would
1856     * like to resolve to particular options, and takes care of returning the
1857     * final ResolveInfo list in a reasonable order, with no duplicates, based
1858     * on those inputs.
1859     *
1860     * @param caller The class name of the activity that is making the
1861     *               request.  This activity will never appear in the output
1862     *               list.  Can be null.
1863     * @param specifics An array of Intents that should be resolved to the
1864     *                  first specific results.  Can be null.
1865     * @param intent The desired intent as per resolveActivity().
1866     * @param flags Additional option flags.  The most important is
1867     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1868     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1869     *
1870     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1871     *         Activity. These are ordered first by all of the intents resolved
1872     *         in <var>specifics</var> and then any additional activities that
1873     *         can handle <var>intent</var> but did not get included by one of
1874     *         the <var>specifics</var> intents.  If there are no matching
1875     *         activities, an empty list is returned.
1876     *
1877     * @see #MATCH_DEFAULT_ONLY
1878     * @see #GET_INTENT_FILTERS
1879     * @see #GET_RESOLVED_FILTER
1880     */
1881    public abstract List<ResolveInfo> queryIntentActivityOptions(
1882            ComponentName caller, Intent[] specifics, Intent intent, int flags);
1883
1884    /**
1885     * Retrieve all receivers that can handle a broadcast of the given intent.
1886     *
1887     * @param intent The desired intent as per resolveActivity().
1888     * @param flags Additional option flags.
1889     *
1890     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1891     *         Receiver. These are ordered from first to last in priority.  If
1892     *         there are no matching receivers, an empty list is returned.
1893     *
1894     * @see #MATCH_DEFAULT_ONLY
1895     * @see #GET_INTENT_FILTERS
1896     * @see #GET_RESOLVED_FILTER
1897     */
1898    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
1899            int flags);
1900
1901    /**
1902     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
1903     * user.
1904     *
1905     * @param intent The desired intent as per resolveActivity().
1906     * @param flags Additional option flags.
1907     * @param userId The userId of the user being queried.
1908     *
1909     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1910     *         Receiver. These are ordered from first to last in priority.  If
1911     *         there are no matching receivers, an empty list is returned.
1912     *
1913     * @see #MATCH_DEFAULT_ONLY
1914     * @see #GET_INTENT_FILTERS
1915     * @see #GET_RESOLVED_FILTER
1916     * @hide
1917     */
1918    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
1919            int flags, int userId);
1920
1921    /**
1922     * Determine the best service to handle for a given Intent.
1923     *
1924     * @param intent An intent containing all of the desired specification
1925     *               (action, data, type, category, and/or component).
1926     * @param flags Additional option flags.
1927     *
1928     * @return Returns a ResolveInfo containing the final service intent that
1929     *         was determined to be the best action.  Returns null if no
1930     *         matching service was found.
1931     *
1932     * @see #GET_INTENT_FILTERS
1933     * @see #GET_RESOLVED_FILTER
1934     */
1935    public abstract ResolveInfo resolveService(Intent intent, int flags);
1936
1937    /**
1938     * Retrieve all services that can match the given intent.
1939     *
1940     * @param intent The desired intent as per resolveService().
1941     * @param flags Additional option flags.
1942     *
1943     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1944     *         ServiceInfo. These are ordered from best to worst match -- that
1945     *         is, the first item in the list is what is returned by
1946     *         resolveService().  If there are no matching services, an empty
1947     *         list is returned.
1948     *
1949     * @see #GET_INTENT_FILTERS
1950     * @see #GET_RESOLVED_FILTER
1951     */
1952    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
1953            int flags);
1954
1955    /**
1956     * Find a single content provider by its base path name.
1957     *
1958     * @param name The name of the provider to find.
1959     * @param flags Additional option flags.  Currently should always be 0.
1960     *
1961     * @return ContentProviderInfo Information about the provider, if found,
1962     *         else null.
1963     */
1964    public abstract ProviderInfo resolveContentProvider(String name,
1965            int flags);
1966
1967    /**
1968     * Retrieve content provider information.
1969     *
1970     * <p><em>Note: unlike most other methods, an empty result set is indicated
1971     * by a null return instead of an empty list.</em>
1972     *
1973     * @param processName If non-null, limits the returned providers to only
1974     *                    those that are hosted by the given process.  If null,
1975     *                    all content providers are returned.
1976     * @param uid If <var>processName</var> is non-null, this is the required
1977     *        uid owning the requested content providers.
1978     * @param flags Additional option flags.  Currently should always be 0.
1979     *
1980     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
1981     *         content provider either patching <var>processName</var> or, if
1982     *         <var>processName</var> is null, all known content providers.
1983     *         <em>If there are no matching providers, null is returned.</em>
1984     */
1985    public abstract List<ProviderInfo> queryContentProviders(
1986            String processName, int uid, int flags);
1987
1988    /**
1989     * Retrieve all of the information we know about a particular
1990     * instrumentation class.
1991     *
1992     * <p>Throws {@link NameNotFoundException} if instrumentation with the
1993     * given class name can not be found on the system.
1994     *
1995     * @param className The full name (i.e.
1996     *                  com.google.apps.contacts.InstrumentList) of an
1997     *                  Instrumentation class.
1998     * @param flags Additional option flags.  Currently should always be 0.
1999     *
2000     * @return InstrumentationInfo containing information about the
2001     *         instrumentation.
2002     */
2003    public abstract InstrumentationInfo getInstrumentationInfo(
2004            ComponentName className, int flags) throws NameNotFoundException;
2005
2006    /**
2007     * Retrieve information about available instrumentation code.  May be used
2008     * to retrieve either all instrumentation code, or only the code targeting
2009     * a particular package.
2010     *
2011     * @param targetPackage If null, all instrumentation is returned; only the
2012     *                      instrumentation targeting this package name is
2013     *                      returned.
2014     * @param flags Additional option flags.  Currently should always be 0.
2015     *
2016     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2017     *         matching available Instrumentation.  Returns an empty list if
2018     *         there is no instrumentation available for the given package.
2019     */
2020    public abstract List<InstrumentationInfo> queryInstrumentation(
2021            String targetPackage, int flags);
2022
2023    /**
2024     * Retrieve an image from a package.  This is a low-level API used by
2025     * the various package manager info structures (such as
2026     * {@link ComponentInfo} to implement retrieval of their associated
2027     * icon.
2028     *
2029     * @param packageName The name of the package that this icon is coming from.
2030     * Can not be null.
2031     * @param resid The resource identifier of the desired image.  Can not be 0.
2032     * @param appInfo Overall information about <var>packageName</var>.  This
2033     * may be null, in which case the application information will be retrieved
2034     * for you if needed; if you already have this information around, it can
2035     * be much more efficient to supply it here.
2036     *
2037     * @return Returns a Drawable holding the requested image.  Returns null if
2038     * an image could not be found for any reason.
2039     */
2040    public abstract Drawable getDrawable(String packageName, int resid,
2041            ApplicationInfo appInfo);
2042
2043    /**
2044     * Retrieve the icon associated with an activity.  Given the full name of
2045     * an activity, retrieves the information about it and calls
2046     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2047     * If the activity can not be found, NameNotFoundException is thrown.
2048     *
2049     * @param activityName Name of the activity whose icon is to be retrieved.
2050     *
2051     * @return Returns the image of the icon, or the default activity icon if
2052     * it could not be found.  Does not return null.
2053     * @throws NameNotFoundException Thrown if the resources for the given
2054     * activity could not be loaded.
2055     *
2056     * @see #getActivityIcon(Intent)
2057     */
2058    public abstract Drawable getActivityIcon(ComponentName activityName)
2059            throws NameNotFoundException;
2060
2061    /**
2062     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2063     * set, this simply returns the result of
2064     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2065     * component and returns the icon associated with the resolved component.
2066     * If intent.getClassName() can not be found or the Intent can not be resolved
2067     * to a component, NameNotFoundException is thrown.
2068     *
2069     * @param intent The intent for which you would like to retrieve an icon.
2070     *
2071     * @return Returns the image of the icon, or the default activity icon if
2072     * it could not be found.  Does not return null.
2073     * @throws NameNotFoundException Thrown if the resources for application
2074     * matching the given intent could not be loaded.
2075     *
2076     * @see #getActivityIcon(ComponentName)
2077     */
2078    public abstract Drawable getActivityIcon(Intent intent)
2079            throws NameNotFoundException;
2080
2081    /**
2082     * Return the generic icon for an activity that is used when no specific
2083     * icon is defined.
2084     *
2085     * @return Drawable Image of the icon.
2086     */
2087    public abstract Drawable getDefaultActivityIcon();
2088
2089    /**
2090     * Retrieve the icon associated with an application.  If it has not defined
2091     * an icon, the default app icon is returned.  Does not return null.
2092     *
2093     * @param info Information about application being queried.
2094     *
2095     * @return Returns the image of the icon, or the default application icon
2096     * if it could not be found.
2097     *
2098     * @see #getApplicationIcon(String)
2099     */
2100    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2101
2102    /**
2103     * Retrieve the icon associated with an application.  Given the name of the
2104     * application's package, retrieves the information about it and calls
2105     * getApplicationIcon() to return its icon. If the application can not be
2106     * found, NameNotFoundException is thrown.
2107     *
2108     * @param packageName Name of the package whose application icon is to be
2109     *                    retrieved.
2110     *
2111     * @return Returns the image of the icon, or the default application icon
2112     * if it could not be found.  Does not return null.
2113     * @throws NameNotFoundException Thrown if the resources for the given
2114     * application could not be loaded.
2115     *
2116     * @see #getApplicationIcon(ApplicationInfo)
2117     */
2118    public abstract Drawable getApplicationIcon(String packageName)
2119            throws NameNotFoundException;
2120
2121    /**
2122     * Retrieve the logo associated with an activity.  Given the full name of
2123     * an activity, retrieves the information about it and calls
2124     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its logo.
2125     * If the activity can not be found, NameNotFoundException is thrown.
2126     *
2127     * @param activityName Name of the activity whose logo is to be retrieved.
2128     *
2129     * @return Returns the image of the logo or null if the activity has no
2130     * logo specified.
2131     *
2132     * @throws NameNotFoundException Thrown if the resources for the given
2133     * activity could not be loaded.
2134     *
2135     * @see #getActivityLogo(Intent)
2136     */
2137    public abstract Drawable getActivityLogo(ComponentName activityName)
2138            throws NameNotFoundException;
2139
2140    /**
2141     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2142     * set, this simply returns the result of
2143     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2144     * component and returns the logo associated with the resolved component.
2145     * If intent.getClassName() can not be found or the Intent can not be resolved
2146     * to a component, NameNotFoundException is thrown.
2147     *
2148     * @param intent The intent for which you would like to retrieve a logo.
2149     *
2150     * @return Returns the image of the logo, or null if the activity has no
2151     * logo specified.
2152     *
2153     * @throws NameNotFoundException Thrown if the resources for application
2154     * matching the given intent could not be loaded.
2155     *
2156     * @see #getActivityLogo(ComponentName)
2157     */
2158    public abstract Drawable getActivityLogo(Intent intent)
2159            throws NameNotFoundException;
2160
2161    /**
2162     * Retrieve the logo associated with an application.  If it has not specified
2163     * a logo, this method returns null.
2164     *
2165     * @param info Information about application being queried.
2166     *
2167     * @return Returns the image of the logo, or null if no logo is specified
2168     * by the application.
2169     *
2170     * @see #getApplicationLogo(String)
2171     */
2172    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2173
2174    /**
2175     * Retrieve the logo associated with an application.  Given the name of the
2176     * application's package, retrieves the information about it and calls
2177     * getApplicationLogo() to return its logo. If the application can not be
2178     * found, NameNotFoundException is thrown.
2179     *
2180     * @param packageName Name of the package whose application logo is to be
2181     *                    retrieved.
2182     *
2183     * @return Returns the image of the logo, or null if no application logo
2184     * has been specified.
2185     *
2186     * @throws NameNotFoundException Thrown if the resources for the given
2187     * application could not be loaded.
2188     *
2189     * @see #getApplicationLogo(ApplicationInfo)
2190     */
2191    public abstract Drawable getApplicationLogo(String packageName)
2192            throws NameNotFoundException;
2193
2194    /**
2195     * Retrieve text from a package.  This is a low-level API used by
2196     * the various package manager info structures (such as
2197     * {@link ComponentInfo} to implement retrieval of their associated
2198     * labels and other text.
2199     *
2200     * @param packageName The name of the package that this text is coming from.
2201     * Can not be null.
2202     * @param resid The resource identifier of the desired text.  Can not be 0.
2203     * @param appInfo Overall information about <var>packageName</var>.  This
2204     * may be null, in which case the application information will be retrieved
2205     * for you if needed; if you already have this information around, it can
2206     * be much more efficient to supply it here.
2207     *
2208     * @return Returns a CharSequence holding the requested text.  Returns null
2209     * if the text could not be found for any reason.
2210     */
2211    public abstract CharSequence getText(String packageName, int resid,
2212            ApplicationInfo appInfo);
2213
2214    /**
2215     * Retrieve an XML file from a package.  This is a low-level API used to
2216     * retrieve XML meta data.
2217     *
2218     * @param packageName The name of the package that this xml is coming from.
2219     * Can not be null.
2220     * @param resid The resource identifier of the desired xml.  Can not be 0.
2221     * @param appInfo Overall information about <var>packageName</var>.  This
2222     * may be null, in which case the application information will be retrieved
2223     * for you if needed; if you already have this information around, it can
2224     * be much more efficient to supply it here.
2225     *
2226     * @return Returns an XmlPullParser allowing you to parse out the XML
2227     * data.  Returns null if the xml resource could not be found for any
2228     * reason.
2229     */
2230    public abstract XmlResourceParser getXml(String packageName, int resid,
2231            ApplicationInfo appInfo);
2232
2233    /**
2234     * Return the label to use for this application.
2235     *
2236     * @return Returns the label associated with this application, or null if
2237     * it could not be found for any reason.
2238     * @param info The application to get the label of
2239     */
2240    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2241
2242    /**
2243     * Retrieve the resources associated with an activity.  Given the full
2244     * name of an activity, retrieves the information about it and calls
2245     * getResources() to return its application's resources.  If the activity
2246     * can not be found, NameNotFoundException is thrown.
2247     *
2248     * @param activityName Name of the activity whose resources are to be
2249     *                     retrieved.
2250     *
2251     * @return Returns the application's Resources.
2252     * @throws NameNotFoundException Thrown if the resources for the given
2253     * application could not be loaded.
2254     *
2255     * @see #getResourcesForApplication(ApplicationInfo)
2256     */
2257    public abstract Resources getResourcesForActivity(ComponentName activityName)
2258            throws NameNotFoundException;
2259
2260    /**
2261     * Retrieve the resources for an application.  Throws NameNotFoundException
2262     * if the package is no longer installed.
2263     *
2264     * @param app Information about the desired application.
2265     *
2266     * @return Returns the application's Resources.
2267     * @throws NameNotFoundException Thrown if the resources for the given
2268     * application could not be loaded (most likely because it was uninstalled).
2269     */
2270    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2271            throws NameNotFoundException;
2272
2273    /**
2274     * Retrieve the resources associated with an application.  Given the full
2275     * package name of an application, retrieves the information about it and
2276     * calls getResources() to return its application's resources.  If the
2277     * appPackageName can not be found, NameNotFoundException is thrown.
2278     *
2279     * @param appPackageName Package name of the application whose resources
2280     *                       are to be retrieved.
2281     *
2282     * @return Returns the application's Resources.
2283     * @throws NameNotFoundException Thrown if the resources for the given
2284     * application could not be loaded.
2285     *
2286     * @see #getResourcesForApplication(ApplicationInfo)
2287     */
2288    public abstract Resources getResourcesForApplication(String appPackageName)
2289            throws NameNotFoundException;
2290
2291    /**
2292     * Retrieve overall information about an application package defined
2293     * in a package archive file
2294     *
2295     * @param archiveFilePath The path to the archive file
2296     * @param flags Additional option flags. Use any combination of
2297     * {@link #GET_ACTIVITIES},
2298     * {@link #GET_GIDS},
2299     * {@link #GET_CONFIGURATIONS},
2300     * {@link #GET_INSTRUMENTATION},
2301     * {@link #GET_PERMISSIONS},
2302     * {@link #GET_PROVIDERS},
2303     * {@link #GET_RECEIVERS},
2304     * {@link #GET_SERVICES},
2305     * {@link #GET_SIGNATURES}, to modify the data returned.
2306     *
2307     * @return Returns the information about the package. Returns
2308     * null if the package could not be successfully parsed.
2309     *
2310     * @see #GET_ACTIVITIES
2311     * @see #GET_GIDS
2312     * @see #GET_CONFIGURATIONS
2313     * @see #GET_INSTRUMENTATION
2314     * @see #GET_PERMISSIONS
2315     * @see #GET_PROVIDERS
2316     * @see #GET_RECEIVERS
2317     * @see #GET_SERVICES
2318     * @see #GET_SIGNATURES
2319     *
2320     */
2321    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2322        PackageParser packageParser = new PackageParser(archiveFilePath);
2323        DisplayMetrics metrics = new DisplayMetrics();
2324        metrics.setToDefaults();
2325        final File sourceFile = new File(archiveFilePath);
2326        PackageParser.Package pkg = packageParser.parsePackage(
2327                sourceFile, archiveFilePath, metrics, 0);
2328        if (pkg == null) {
2329            return null;
2330        }
2331        if ((flags & GET_SIGNATURES) != 0) {
2332            packageParser.collectCertificates(pkg, 0);
2333        }
2334        PackageUserState state = new PackageUserState();
2335        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2336    }
2337
2338    /**
2339     * @hide
2340     *
2341     * Install a package. Since this may take a little while, the result will
2342     * be posted back to the given observer.  An installation will fail if the calling context
2343     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2344     * package named in the package file's manifest is already installed, or if there's no space
2345     * available on the device.
2346     *
2347     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2348     * 'content:' URI.
2349     * @param observer An observer callback to get notified when the package installation is
2350     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2351     * called when that happens.  observer may be null to indicate that no callback is desired.
2352     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2353     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2354     * @param installerPackageName Optional package name of the application that is performing the
2355     * installation. This identifies which market the package came from.
2356     */
2357    public abstract void installPackage(
2358            Uri packageURI, IPackageInstallObserver observer, int flags,
2359            String installerPackageName);
2360
2361    /**
2362     * Similar to
2363     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2364     * with an extra verification file provided.
2365     *
2366     * @param packageURI The location of the package file to install. This can
2367     *            be a 'file:' or a 'content:' URI.
2368     * @param observer An observer callback to get notified when the package
2369     *            installation is complete.
2370     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2371     *            will be called when that happens. observer may be null to
2372     *            indicate that no callback is desired.
2373     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2374     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2375     *            .
2376     * @param installerPackageName Optional package name of the application that
2377     *            is performing the installation. This identifies which market
2378     *            the package came from.
2379     * @param verificationURI The location of the supplementary verification
2380     *            file. This can be a 'file:' or a 'content:' URI. May be
2381     *            {@code null}.
2382     * @param manifestDigest an object that holds the digest of the package
2383     *            which can be used to verify ownership. May be {@code null}.
2384     * @param encryptionParams if the package to be installed is encrypted,
2385     *            these parameters describing the encryption and authentication
2386     *            used. May be {@code null}.
2387     * @hide
2388     */
2389    public abstract void installPackageWithVerification(Uri packageURI,
2390            IPackageInstallObserver observer, int flags, String installerPackageName,
2391            Uri verificationURI, ManifestDigest manifestDigest,
2392            ContainerEncryptionParams encryptionParams);
2393
2394    /**
2395     * Similar to
2396     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2397     * with an extra verification information provided.
2398     *
2399     * @param packageURI The location of the package file to install. This can
2400     *            be a 'file:' or a 'content:' URI.
2401     * @param observer An observer callback to get notified when the package
2402     *            installation is complete.
2403     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2404     *            will be called when that happens. observer may be null to
2405     *            indicate that no callback is desired.
2406     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2407     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2408     *            .
2409     * @param installerPackageName Optional package name of the application that
2410     *            is performing the installation. This identifies which market
2411     *            the package came from.
2412     * @param verificationParams an object that holds signal information to
2413     *            assist verification. May be {@code null}.
2414     * @param encryptionParams if the package to be installed is encrypted,
2415     *            these parameters describing the encryption and authentication
2416     *            used. May be {@code null}.
2417     *
2418     * @hide
2419     */
2420    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2421            IPackageInstallObserver observer, int flags, String installerPackageName,
2422            VerificationParams verificationParams,
2423            ContainerEncryptionParams encryptionParams);
2424
2425    /**
2426     * If there is already an application with the given package name installed
2427     * on the system for other users, also install it for the calling user.
2428     * @hide
2429     */
2430    public abstract int installExistingPackage(String packageName)
2431            throws NameNotFoundException;
2432
2433    /**
2434     * Allows a package listening to the
2435     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2436     * broadcast} to respond to the package manager. The response must include
2437     * the {@code verificationCode} which is one of
2438     * {@link PackageManager#VERIFICATION_ALLOW} or
2439     * {@link PackageManager#VERIFICATION_REJECT}.
2440     *
2441     * @param id pending package identifier as passed via the
2442     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra
2443     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2444     *            or {@link PackageManager#VERIFICATION_REJECT}.
2445     * @throws SecurityException if the caller does not have the
2446     *            {@link android.Manifest.permission#PACKAGE_VERIFICATION_AGENT}
2447     *            permission.
2448     */
2449    public abstract void verifyPendingInstall(int id, int verificationCode);
2450
2451    /**
2452     * Allows a package listening to the
2453     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2454     * broadcast} to extend the default timeout for a response and declare what
2455     * action to perform after the timeout occurs. The response must include
2456     * the {@code verificationCodeAtTimeout} which is one of
2457     * {@link PackageManager#VERIFICATION_ALLOW} or
2458     * {@link PackageManager#VERIFICATION_REJECT}.
2459     *
2460     * This method may only be called once per package id. Additional calls
2461     * will have no effect.
2462     *
2463     * @param id pending package identifier as passed via the
2464     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra
2465     * @param verificationCodeAtTimeout either
2466     *            {@link PackageManager#VERIFICATION_ALLOW} or
2467     *            {@link PackageManager#VERIFICATION_REJECT}. If
2468     *            {@code verificationCodeAtTimeout} is neither
2469     *            {@link PackageManager#VERIFICATION_ALLOW} or
2470     *            {@link PackageManager#VERIFICATION_REJECT}, then
2471     *            {@code verificationCodeAtTimeout} will default to
2472     *            {@link PackageManager#VERIFICATION_REJECT}.
2473     * @param millisecondsToDelay the amount of time requested for the timeout.
2474     *            Must be positive and less than
2475     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2476     *            {@code millisecondsToDelay} is out of bounds,
2477     *            {@code millisecondsToDelay} will be set to the closest in
2478     *            bounds value; namely, 0 or
2479     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2480     * @throws SecurityException if the caller does not have the
2481     *            {@link android.Manifest.permission#PACKAGE_VERIFICATION_AGENT}
2482     *            permission.
2483     */
2484    public abstract void extendVerificationTimeout(int id,
2485            int verificationCodeAtTimeout, long millisecondsToDelay);
2486
2487    /**
2488     * Change the installer associated with a given package.  There are limitations
2489     * on how the installer package can be changed; in particular:
2490     * <ul>
2491     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2492     * is not signed with the same certificate as the calling application.
2493     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2494     * has an installer package, and that installer package is not signed with
2495     * the same certificate as the calling application.
2496     * </ul>
2497     *
2498     * @param targetPackage The installed package whose installer will be changed.
2499     * @param installerPackageName The package name of the new installer.  May be
2500     * null to clear the association.
2501     */
2502    public abstract void setInstallerPackageName(String targetPackage,
2503            String installerPackageName);
2504
2505    /**
2506     * Attempts to delete a package.  Since this may take a little while, the result will
2507     * be posted back to the given observer.  A deletion will fail if the calling context
2508     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2509     * named package cannot be found, or if the named package is a "system package".
2510     * (TODO: include pointer to documentation on "system packages")
2511     *
2512     * @param packageName The name of the package to delete
2513     * @param observer An observer callback to get notified when the package deletion is
2514     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2515     * called when that happens.  observer may be null to indicate that no callback is desired.
2516     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2517     * {@link #DELETE_ALL_USERS}.
2518     *
2519     * @hide
2520     */
2521    public abstract void deletePackage(
2522            String packageName, IPackageDeleteObserver observer, int flags);
2523
2524    /**
2525     * Retrieve the package name of the application that installed a package. This identifies
2526     * which market the package came from.
2527     *
2528     * @param packageName The name of the package to query
2529     */
2530    public abstract String getInstallerPackageName(String packageName);
2531
2532    /**
2533     * Attempts to clear the user data directory of an application.
2534     * Since this may take a little while, the result will
2535     * be posted back to the given observer.  A deletion will fail if the
2536     * named package cannot be found, or if the named package is a "system package".
2537     *
2538     * @param packageName The name of the package
2539     * @param observer An observer callback to get notified when the operation is finished
2540     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2541     * will be called when that happens.  observer may be null to indicate that
2542     * no callback is desired.
2543     *
2544     * @hide
2545     */
2546    public abstract void clearApplicationUserData(String packageName,
2547            IPackageDataObserver observer);
2548    /**
2549     * Attempts to delete the cache files associated with an application.
2550     * Since this may take a little while, the result will
2551     * be posted back to the given observer.  A deletion will fail if the calling context
2552     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2553     * named package cannot be found, or if the named package is a "system package".
2554     *
2555     * @param packageName The name of the package to delete
2556     * @param observer An observer callback to get notified when the cache file deletion
2557     * is complete.
2558     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2559     * will be called when that happens.  observer may be null to indicate that
2560     * no callback is desired.
2561     *
2562     * @hide
2563     */
2564    public abstract void deleteApplicationCacheFiles(String packageName,
2565            IPackageDataObserver observer);
2566
2567    /**
2568     * Free storage by deleting LRU sorted list of cache files across
2569     * all applications. If the currently available free storage
2570     * on the device is greater than or equal to the requested
2571     * free storage, no cache files are cleared. If the currently
2572     * available storage on the device is less than the requested
2573     * free storage, some or all of the cache files across
2574     * all applications are deleted (based on last accessed time)
2575     * to increase the free storage space on the device to
2576     * the requested value. There is no guarantee that clearing all
2577     * the cache files from all applications will clear up
2578     * enough storage to achieve the desired value.
2579     * @param freeStorageSize The number of bytes of storage to be
2580     * freed by the system. Say if freeStorageSize is XX,
2581     * and the current free storage is YY,
2582     * if XX is less than YY, just return. if not free XX-YY number
2583     * of bytes if possible.
2584     * @param observer call back used to notify when
2585     * the operation is completed
2586     *
2587     * @hide
2588     */
2589    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
2590
2591    /**
2592     * Free storage by deleting LRU sorted list of cache files across
2593     * all applications. If the currently available free storage
2594     * on the device is greater than or equal to the requested
2595     * free storage, no cache files are cleared. If the currently
2596     * available storage on the device is less than the requested
2597     * free storage, some or all of the cache files across
2598     * all applications are deleted (based on last accessed time)
2599     * to increase the free storage space on the device to
2600     * the requested value. There is no guarantee that clearing all
2601     * the cache files from all applications will clear up
2602     * enough storage to achieve the desired value.
2603     * @param freeStorageSize The number of bytes of storage to be
2604     * freed by the system. Say if freeStorageSize is XX,
2605     * and the current free storage is YY,
2606     * if XX is less than YY, just return. if not free XX-YY number
2607     * of bytes if possible.
2608     * @param pi IntentSender call back used to
2609     * notify when the operation is completed.May be null
2610     * to indicate that no call back is desired.
2611     *
2612     * @hide
2613     */
2614    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
2615
2616    /**
2617     * Retrieve the size information for a package.
2618     * Since this may take a little while, the result will
2619     * be posted back to the given observer.  The calling context
2620     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
2621     *
2622     * @param packageName The name of the package whose size information is to be retrieved
2623     * @param userHandle The user whose size information should be retrieved.
2624     * @param observer An observer callback to get notified when the operation
2625     * is complete.
2626     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
2627     * The observer's callback is invoked with a PackageStats object(containing the
2628     * code, data and cache sizes of the package) and a boolean value representing
2629     * the status of the operation. observer may be null to indicate that
2630     * no callback is desired.
2631     *
2632     * @hide
2633     */
2634    public abstract void getPackageSizeInfo(String packageName, int userHandle,
2635            IPackageStatsObserver observer);
2636
2637    /**
2638     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
2639     * returns the size for the calling user.
2640     *
2641     * @hide
2642     */
2643    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
2644        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
2645    }
2646
2647    /**
2648     * @deprecated This function no longer does anything; it was an old
2649     * approach to managing preferred activities, which has been superceeded
2650     * (and conflicts with) the modern activity-based preferences.
2651     */
2652    @Deprecated
2653    public abstract void addPackageToPreferred(String packageName);
2654
2655    /**
2656     * @deprecated This function no longer does anything; it was an old
2657     * approach to managing preferred activities, which has been superceeded
2658     * (and conflicts with) the modern activity-based preferences.
2659     */
2660    @Deprecated
2661    public abstract void removePackageFromPreferred(String packageName);
2662
2663    /**
2664     * Retrieve the list of all currently configured preferred packages.  The
2665     * first package on the list is the most preferred, the last is the
2666     * least preferred.
2667     *
2668     * @param flags Additional option flags. Use any combination of
2669     * {@link #GET_ACTIVITIES},
2670     * {@link #GET_GIDS},
2671     * {@link #GET_CONFIGURATIONS},
2672     * {@link #GET_INSTRUMENTATION},
2673     * {@link #GET_PERMISSIONS},
2674     * {@link #GET_PROVIDERS},
2675     * {@link #GET_RECEIVERS},
2676     * {@link #GET_SERVICES},
2677     * {@link #GET_SIGNATURES}, to modify the data returned.
2678     *
2679     * @return Returns a list of PackageInfo objects describing each
2680     * preferred application, in order of preference.
2681     *
2682     * @see #GET_ACTIVITIES
2683     * @see #GET_GIDS
2684     * @see #GET_CONFIGURATIONS
2685     * @see #GET_INSTRUMENTATION
2686     * @see #GET_PERMISSIONS
2687     * @see #GET_PROVIDERS
2688     * @see #GET_RECEIVERS
2689     * @see #GET_SERVICES
2690     * @see #GET_SIGNATURES
2691     */
2692    public abstract List<PackageInfo> getPreferredPackages(int flags);
2693
2694    /**
2695     * @deprecated This is a protected API that should not have been available
2696     * to third party applications.  It is the platform's responsibility for
2697     * assigning preferred activities and this can not be directly modified.
2698     *
2699     * Add a new preferred activity mapping to the system.  This will be used
2700     * to automatically select the given activity component when
2701     * {@link Context#startActivity(Intent) Context.startActivity()} finds
2702     * multiple matching activities and also matches the given filter.
2703     *
2704     * @param filter The set of intents under which this activity will be
2705     * made preferred.
2706     * @param match The IntentFilter match category that this preference
2707     * applies to.
2708     * @param set The set of activities that the user was picking from when
2709     * this preference was made.
2710     * @param activity The component name of the activity that is to be
2711     * preferred.
2712     */
2713    @Deprecated
2714    public abstract void addPreferredActivity(IntentFilter filter, int match,
2715            ComponentName[] set, ComponentName activity);
2716
2717    /**
2718     * Same as {@link #addPreferredActivity(IntentFilter, int,
2719            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
2720            to.
2721     * @hide
2722     */
2723    public void addPreferredActivity(IntentFilter filter, int match,
2724            ComponentName[] set, ComponentName activity, int userId) {
2725        throw new RuntimeException("Not implemented. Must override in a subclass.");
2726    }
2727
2728    /**
2729     * @deprecated This is a protected API that should not have been available
2730     * to third party applications.  It is the platform's responsibility for
2731     * assigning preferred activities and this can not be directly modified.
2732     *
2733     * Replaces an existing preferred activity mapping to the system, and if that were not present
2734     * adds a new preferred activity.  This will be used
2735     * to automatically select the given activity component when
2736     * {@link Context#startActivity(Intent) Context.startActivity()} finds
2737     * multiple matching activities and also matches the given filter.
2738     *
2739     * @param filter The set of intents under which this activity will be
2740     * made preferred.
2741     * @param match The IntentFilter match category that this preference
2742     * applies to.
2743     * @param set The set of activities that the user was picking from when
2744     * this preference was made.
2745     * @param activity The component name of the activity that is to be
2746     * preferred.
2747     * @hide
2748     */
2749    @Deprecated
2750    public abstract void replacePreferredActivity(IntentFilter filter, int match,
2751            ComponentName[] set, ComponentName activity);
2752
2753    /**
2754     * Remove all preferred activity mappings, previously added with
2755     * {@link #addPreferredActivity}, from the
2756     * system whose activities are implemented in the given package name.
2757     * An application can only clear its own package(s).
2758     *
2759     * @param packageName The name of the package whose preferred activity
2760     * mappings are to be removed.
2761     */
2762    public abstract void clearPackagePreferredActivities(String packageName);
2763
2764    /**
2765     * Retrieve all preferred activities, previously added with
2766     * {@link #addPreferredActivity}, that are
2767     * currently registered with the system.
2768     *
2769     * @param outFilters A list in which to place the filters of all of the
2770     * preferred activities, or null for none.
2771     * @param outActivities A list in which to place the component names of
2772     * all of the preferred activities, or null for none.
2773     * @param packageName An option package in which you would like to limit
2774     * the list.  If null, all activities will be returned; if non-null, only
2775     * those activities in the given package are returned.
2776     *
2777     * @return Returns the total number of registered preferred activities
2778     * (the number of distinct IntentFilter records, not the number of unique
2779     * activity components) that were found.
2780     */
2781    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
2782            List<ComponentName> outActivities, String packageName);
2783
2784    /**
2785     * Set the enabled setting for a package component (activity, receiver, service, provider).
2786     * This setting will override any enabled state which may have been set by the component in its
2787     * manifest.
2788     *
2789     * @param componentName The component to enable
2790     * @param newState The new enabled state for the component.  The legal values for this state
2791     *                 are:
2792     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
2793     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
2794     *                   and
2795     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
2796     *                 The last one removes the setting, thereby restoring the component's state to
2797     *                 whatever was set in it's manifest (or enabled, by default).
2798     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
2799     */
2800    public abstract void setComponentEnabledSetting(ComponentName componentName,
2801            int newState, int flags);
2802
2803
2804    /**
2805     * Return the the enabled setting for a package component (activity,
2806     * receiver, service, provider).  This returns the last value set by
2807     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
2808     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
2809     * the value originally specified in the manifest has not been modified.
2810     *
2811     * @param componentName The component to retrieve.
2812     * @return Returns the current enabled state for the component.  May
2813     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
2814     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
2815     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
2816     * component's enabled state is based on the original information in
2817     * the manifest as found in {@link ComponentInfo}.
2818     */
2819    public abstract int getComponentEnabledSetting(ComponentName componentName);
2820
2821    /**
2822     * Set the enabled setting for an application
2823     * This setting will override any enabled state which may have been set by the application in
2824     * its manifest.  It also overrides the enabled state set in the manifest for any of the
2825     * application's components.  It does not override any enabled state set by
2826     * {@link #setComponentEnabledSetting} for any of the application's components.
2827     *
2828     * @param packageName The package name of the application to enable
2829     * @param newState The new enabled state for the component.  The legal values for this state
2830     *                 are:
2831     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
2832     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
2833     *                   and
2834     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
2835     *                 The last one removes the setting, thereby restoring the applications's state to
2836     *                 whatever was set in its manifest (or enabled, by default).
2837     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
2838     */
2839    public abstract void setApplicationEnabledSetting(String packageName,
2840            int newState, int flags);
2841
2842    /**
2843     * Return the the enabled setting for an application.  This returns
2844     * the last value set by
2845     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
2846     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
2847     * the value originally specified in the manifest has not been modified.
2848     *
2849     * @param packageName The component to retrieve.
2850     * @return Returns the current enabled state for the component.  May
2851     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
2852     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
2853     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
2854     * application's enabled state is based on the original information in
2855     * the manifest as found in {@link ComponentInfo}.
2856     * @throws IllegalArgumentException if the named package does not exist.
2857     */
2858    public abstract int getApplicationEnabledSetting(String packageName);
2859
2860    /**
2861     * Return whether the device has been booted into safe mode.
2862     */
2863    public abstract boolean isSafeMode();
2864
2865    /**
2866     * Attempts to move package resources from internal to external media or vice versa.
2867     * Since this may take a little while, the result will
2868     * be posted back to the given observer.   This call may fail if the calling context
2869     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
2870     * named package cannot be found, or if the named package is a "system package".
2871     *
2872     * @param packageName The name of the package to delete
2873     * @param observer An observer callback to get notified when the package move is
2874     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
2875     * called when that happens.  observer may be null to indicate that no callback is desired.
2876     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
2877     * {@link #MOVE_EXTERNAL_MEDIA}
2878     *
2879     * @hide
2880     */
2881    public abstract void movePackage(
2882            String packageName, IPackageMoveObserver observer, int flags);
2883
2884    /**
2885     * Returns the device identity that verifiers can use to associate their scheme to a particular
2886     * device. This should not be used by anything other than a package verifier.
2887     *
2888     * @return identity that uniquely identifies current device
2889     * @hide
2890     */
2891    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
2892
2893    /**
2894     * Returns the data directory for a particular user and package, given the uid of the package.
2895     * @param uid uid of the package, including the userId and appId
2896     * @param packageName name of the package
2897     * @return the user-specific data directory for the package
2898     * @hide
2899     */
2900    public static String getDataDirForUser(int userId, String packageName) {
2901        // TODO: This should be shared with Installer's knowledge of user directory
2902        return Environment.getDataDirectory().toString() + "/user/" + userId
2903                + "/" + packageName;
2904    }
2905}
2906