PackageManager.java revision 742a67127366c376fdf188ff99ba30b27d3bf90c
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.pm.ManifestDigest;
27import android.content.res.Resources;
28import android.content.res.XmlResourceParser;
29import android.graphics.drawable.Drawable;
30import android.net.Uri;
31import android.os.Environment;
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 an 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 an 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
314     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
315     * that you don't want to kill the app containing the component.  Be careful when you set this
316     * since changing component states can make the containing application's behavior unpredictable.
317     */
318    public static final int DONT_KILL_APP = 0x00000001;
319
320    /**
321     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
322     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
323     * @hide
324     */
325    public static final int INSTALL_SUCCEEDED = 1;
326
327    /**
328     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
329     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
330     * already installed.
331     * @hide
332     */
333    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
334
335    /**
336     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
337     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
338     * file is invalid.
339     * @hide
340     */
341    public static final int INSTALL_FAILED_INVALID_APK = -2;
342
343    /**
344     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
345     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
346     * is invalid.
347     * @hide
348     */
349    public static final int INSTALL_FAILED_INVALID_URI = -3;
350
351    /**
352     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
353     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
354     * service found that the device didn't have enough storage space to install the app.
355     * @hide
356     */
357    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
358
359    /**
360     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
361     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
362     * package is already installed with the same name.
363     * @hide
364     */
365    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
366
367    /**
368     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
369     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
370     * the requested shared user does not exist.
371     * @hide
372     */
373    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
374
375    /**
376     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
377     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
378     * a previously installed package of the same name has a different signature
379     * than the new package (and the old package's data was not removed).
380     * @hide
381     */
382    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
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 new package is requested a shared user which is already installed on the
388     * device and does not have matching signature.
389     * @hide
390     */
391    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
392
393    /**
394     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
395     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
396     * the new package uses a shared library that is not available.
397     * @hide
398     */
399    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
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 uses a shared library that is not available.
405     * @hide
406     */
407    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
408
409    /**
410     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
411     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
412     * the new package failed while optimizing and validating its dex files,
413     * either because there was not enough storage or the validation failed.
414     * @hide
415     */
416    public static final int INSTALL_FAILED_DEXOPT = -11;
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 failed because the current SDK version is older than
422     * that required by the package.
423     * @hide
424     */
425    public static final int INSTALL_FAILED_OLDER_SDK = -12;
426
427    /**
428     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
429     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
430     * the new package failed because it contains a content provider with the
431     * same authority as a provider already installed in the system.
432     * @hide
433     */
434    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
435
436    /**
437     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
438     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
439     * the new package failed because the current SDK version is newer than
440     * that required by the package.
441     * @hide
442     */
443    public static final int INSTALL_FAILED_NEWER_SDK = -14;
444
445    /**
446     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
447     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
448     * the new package failed because it has specified that it is a test-only
449     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
450     * flag.
451     * @hide
452     */
453    public static final int INSTALL_FAILED_TEST_ONLY = -15;
454
455    /**
456     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
457     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
458     * the package being installed contains native code, but none that is
459     * compatible with the the device's CPU_ABI.
460     * @hide
461     */
462    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
463
464    /**
465     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
466     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
467     * the new package uses a feature that is not available.
468     * @hide
469     */
470    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
471
472    // ------ Errors related to sdcard
473    /**
474     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
475     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
476     * a secure container mount point couldn't be accessed on external media.
477     * @hide
478     */
479    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
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 couldn't be installed in the specified install
485     * location.
486     * @hide
487     */
488    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
489
490    /**
491     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
492     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
493     * the new package couldn't be installed in the specified install
494     * location because the media is not available.
495     * @hide
496     */
497    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
498
499    /**
500     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
501     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
502     * the new package couldn't be installed because the verification timed out.
503     * @hide
504     */
505    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
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 because the verification did not succeed.
511     * @hide
512     */
513    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
514
515    /**
516     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
517     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
518     * the package changed from what the calling program expected.
519     * @hide
520     */
521    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
522
523    /**
524     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
525     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
526     * if the parser was given a path that is not a file, or does not end with the expected
527     * '.apk' extension.
528     * @hide
529     */
530    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
531
532    /**
533     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
534     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
535     * if the parser was unable to retrieve the AndroidManifest.xml file.
536     * @hide
537     */
538    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
539
540    /**
541     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
542     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
543     * if the parser encountered an unexpected exception.
544     * @hide
545     */
546    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
547
548    /**
549     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
550     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
551     * if the parser did not find any certificates in the .apk.
552     * @hide
553     */
554    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
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 found inconsistent certificates on the files in the .apk.
560     * @hide
561     */
562    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
563
564    /**
565     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
566     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
567     * if the parser encountered a CertificateEncodingException in one of the
568     * files in the .apk.
569     * @hide
570     */
571    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
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 a bad or missing package name in the manifest.
577     * @hide
578     */
579    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
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 encountered a bad shared user id name in the manifest.
585     * @hide
586     */
587    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
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 encountered some structural problem in the manifest.
593     * @hide
594     */
595    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
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 did not find any actionable tags (instrumentation or application)
601     * in the manifest.
602     * @hide
603     */
604    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
605
606    /**
607     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
608     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
609     * if the system failed to install the package because of system issues.
610     * @hide
611     */
612    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
613
614    /**
615     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
616     * package's data directory.
617     *
618     * @hide
619     */
620    public static final int DONT_DELETE_DATA = 0x00000001;
621
622    /**
623     * Return code for when package deletion succeeds. This is passed to the
624     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
625     * succeeded in deleting the package.
626     *
627     * @hide
628     */
629    public static final int DELETE_SUCCEEDED = 1;
630
631    /**
632     * Deletion failed return code: this is passed to the
633     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
634     * failed to delete the package for an unspecified reason.
635     *
636     * @hide
637     */
638    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
639
640    /**
641     * Deletion failed return code: this is passed to the
642     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
643     * failed to delete the package because it is the active DevicePolicy
644     * manager.
645     *
646     * @hide
647     */
648    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
649
650    /**
651     * Return code that is passed to the {@link IPackageMoveObserver} by
652     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
653     * package has been successfully moved by the system.
654     *
655     * @hide
656     */
657    public static final int MOVE_SUCCEEDED = 1;
658    /**
659     * Error code that is passed to the {@link IPackageMoveObserver} by
660     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
661     * when the package hasn't been successfully moved by the system
662     * because of insufficient memory on specified media.
663     * @hide
664     */
665    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
666
667    /**
668     * Error code that is passed to the {@link IPackageMoveObserver} by
669     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
670     * if the specified package doesn't exist.
671     * @hide
672     */
673    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
674
675    /**
676     * Error code that is passed to the {@link IPackageMoveObserver} by
677     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
678     * if the specified package cannot be moved since its a system package.
679     * @hide
680     */
681    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
682
683    /**
684     * Error code that is passed to the {@link IPackageMoveObserver} by
685     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
686     * if the specified package cannot be moved since its forward locked.
687     * @hide
688     */
689    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
690
691    /**
692     * Error code that is passed to the {@link IPackageMoveObserver} by
693     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
694     * if the specified package cannot be moved to the specified location.
695     * @hide
696     */
697    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
698
699    /**
700     * Error code that is passed to the {@link IPackageMoveObserver} by
701     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
702     * if the specified package cannot be moved to the specified location.
703     * @hide
704     */
705    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
706
707    /**
708     * Error code that is passed to the {@link IPackageMoveObserver} by
709     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
710     * specified package already has an operation pending in the
711     * {@link PackageHandler} queue.
712     *
713     * @hide
714     */
715    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
716
717    /**
718     * Flag parameter for {@link #movePackage} to indicate that
719     * the package should be moved to internal storage if its
720     * been installed on external media.
721     * @hide
722     */
723    public static final int MOVE_INTERNAL = 0x00000001;
724
725    /**
726     * Flag parameter for {@link #movePackage} to indicate that
727     * the package should be moved to external media.
728     * @hide
729     */
730    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
731
732    /**
733     * Usable by the required verifier as the {@code verificationCode} argument
734     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
735     * allow the installation to proceed without any of the optional verifiers
736     * needing to vote.
737     *
738     * @hide
739     */
740    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
741
742    /**
743     * Used as the {@code verificationCode} argument for
744     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
745     * package verifier allows the installation to proceed.
746     */
747    public static final int VERIFICATION_ALLOW = 1;
748
749    /**
750     * Used as the {@code verificationCode} argument for
751     * {@link PackageManager#verifyPendingInstall} to indicate the calling
752     * package verifier does not vote to allow the installation to proceed.
753     */
754    public static final int VERIFICATION_REJECT = -1;
755
756    /**
757     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
758     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
759     * lag in sound input or output.
760     */
761    @SdkConstant(SdkConstantType.FEATURE)
762    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
763
764    /**
765     * Feature for {@link #getSystemAvailableFeatures} and
766     * {@link #hasSystemFeature}: The device is capable of communicating with
767     * other devices via Bluetooth.
768     */
769    @SdkConstant(SdkConstantType.FEATURE)
770    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
771
772    /**
773     * Feature for {@link #getSystemAvailableFeatures} and
774     * {@link #hasSystemFeature}: The device has a camera facing away
775     * from the screen.
776     */
777    @SdkConstant(SdkConstantType.FEATURE)
778    public static final String FEATURE_CAMERA = "android.hardware.camera";
779
780    /**
781     * Feature for {@link #getSystemAvailableFeatures} and
782     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
783     */
784    @SdkConstant(SdkConstantType.FEATURE)
785    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
786
787    /**
788     * Feature for {@link #getSystemAvailableFeatures} and
789     * {@link #hasSystemFeature}: The device's camera supports flash.
790     */
791    @SdkConstant(SdkConstantType.FEATURE)
792    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
793
794    /**
795     * Feature for {@link #getSystemAvailableFeatures} and
796     * {@link #hasSystemFeature}: The device has a front facing camera.
797     */
798    @SdkConstant(SdkConstantType.FEATURE)
799    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
800
801    /**
802     * Feature for {@link #getSystemAvailableFeatures} and
803     * {@link #hasSystemFeature}: The device supports one or more methods of
804     * reporting current location.
805     */
806    @SdkConstant(SdkConstantType.FEATURE)
807    public static final String FEATURE_LOCATION = "android.hardware.location";
808
809    /**
810     * Feature for {@link #getSystemAvailableFeatures} and
811     * {@link #hasSystemFeature}: The device has a Global Positioning System
812     * receiver and can report precise location.
813     */
814    @SdkConstant(SdkConstantType.FEATURE)
815    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
816
817    /**
818     * Feature for {@link #getSystemAvailableFeatures} and
819     * {@link #hasSystemFeature}: The device can report location with coarse
820     * accuracy using a network-based geolocation system.
821     */
822    @SdkConstant(SdkConstantType.FEATURE)
823    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
824
825    /**
826     * Feature for {@link #getSystemAvailableFeatures} and
827     * {@link #hasSystemFeature}: The device can record audio via a
828     * microphone.
829     */
830    @SdkConstant(SdkConstantType.FEATURE)
831    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
832
833    /**
834     * Feature for {@link #getSystemAvailableFeatures} and
835     * {@link #hasSystemFeature}: The device can communicate using Near-Field
836     * Communications (NFC).
837     */
838    @SdkConstant(SdkConstantType.FEATURE)
839    public static final String FEATURE_NFC = "android.hardware.nfc";
840
841    /**
842     * Feature for {@link #getSystemAvailableFeatures} and
843     * {@link #hasSystemFeature}: The device includes an accelerometer.
844     */
845    @SdkConstant(SdkConstantType.FEATURE)
846    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
847
848    /**
849     * Feature for {@link #getSystemAvailableFeatures} and
850     * {@link #hasSystemFeature}: The device includes a barometer (air
851     * pressure sensor.)
852     */
853    @SdkConstant(SdkConstantType.FEATURE)
854    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
855
856    /**
857     * Feature for {@link #getSystemAvailableFeatures} and
858     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
859     */
860    @SdkConstant(SdkConstantType.FEATURE)
861    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
862
863    /**
864     * Feature for {@link #getSystemAvailableFeatures} and
865     * {@link #hasSystemFeature}: The device includes a gyroscope.
866     */
867    @SdkConstant(SdkConstantType.FEATURE)
868    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
869
870    /**
871     * Feature for {@link #getSystemAvailableFeatures} and
872     * {@link #hasSystemFeature}: The device includes a light sensor.
873     */
874    @SdkConstant(SdkConstantType.FEATURE)
875    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
876
877    /**
878     * Feature for {@link #getSystemAvailableFeatures} and
879     * {@link #hasSystemFeature}: The device includes a proximity sensor.
880     */
881    @SdkConstant(SdkConstantType.FEATURE)
882    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
883
884    /**
885     * Feature for {@link #getSystemAvailableFeatures} and
886     * {@link #hasSystemFeature}: The device has a telephony radio with data
887     * communication support.
888     */
889    @SdkConstant(SdkConstantType.FEATURE)
890    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
891
892    /**
893     * Feature for {@link #getSystemAvailableFeatures} and
894     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
895     */
896    @SdkConstant(SdkConstantType.FEATURE)
897    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
898
899    /**
900     * Feature for {@link #getSystemAvailableFeatures} and
901     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
902     */
903    @SdkConstant(SdkConstantType.FEATURE)
904    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
905
906    /**
907     * Feature for {@link #getSystemAvailableFeatures} and
908     * {@link #hasSystemFeature}: The device supports connecting to USB devices
909     * as the USB host.
910     */
911    @SdkConstant(SdkConstantType.FEATURE)
912    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
913
914    /**
915     * Feature for {@link #getSystemAvailableFeatures} and
916     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
917     */
918    @SdkConstant(SdkConstantType.FEATURE)
919    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
920
921    /**
922     * Feature for {@link #getSystemAvailableFeatures} and
923     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
924     */
925    @SdkConstant(SdkConstantType.FEATURE)
926    public static final String FEATURE_SIP = "android.software.sip";
927
928    /**
929     * Feature for {@link #getSystemAvailableFeatures} and
930     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
931     */
932    @SdkConstant(SdkConstantType.FEATURE)
933    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
934
935    /**
936     * Feature for {@link #getSystemAvailableFeatures} and
937     * {@link #hasSystemFeature}: The device's display has a touch screen.
938     */
939    @SdkConstant(SdkConstantType.FEATURE)
940    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
941
942
943    /**
944     * Feature for {@link #getSystemAvailableFeatures} and
945     * {@link #hasSystemFeature}: The device's touch screen supports
946     * multitouch sufficient for basic two-finger gesture detection.
947     */
948    @SdkConstant(SdkConstantType.FEATURE)
949    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
950
951    /**
952     * Feature for {@link #getSystemAvailableFeatures} and
953     * {@link #hasSystemFeature}: The device's touch screen is capable of
954     * tracking two or more fingers fully independently.
955     */
956    @SdkConstant(SdkConstantType.FEATURE)
957    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
958
959    /**
960     * Feature for {@link #getSystemAvailableFeatures} and
961     * {@link #hasSystemFeature}: The device's touch screen is capable of
962     * tracking a full hand of fingers fully independently -- that is, 5 or
963     * more simultaneous independent pointers.
964     */
965    @SdkConstant(SdkConstantType.FEATURE)
966    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
967
968    /**
969     * Feature for {@link #getSystemAvailableFeatures} and
970     * {@link #hasSystemFeature}: The device does not have a touch screen, but
971     * does support touch emulation for basic events. For instance, the
972     * device might use a mouse or remote control to drive a cursor, and
973     * emulate basic touch pointer events like down, up, drag, etc. All
974     * devices that support android.hardware.touchscreen or a sub-feature are
975     * presumed to also support faketouch.
976     */
977    @SdkConstant(SdkConstantType.FEATURE)
978    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
979
980    /**
981     * Feature for {@link #getSystemAvailableFeatures} and
982     * {@link #hasSystemFeature}: The device does not have a touch screen, but
983     * does support touch emulation for basic events that supports distinct
984     * tracking of two or more fingers.  This is an extension of
985     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
986     * that unlike a distinct multitouch screen as defined by
987     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
988     * devices will not actually provide full two-finger gestures since the
989     * input is being transformed to cursor movement on the screen.  That is,
990     * single finger gestures will move a cursor; two-finger swipes will
991     * result in single-finger touch events; other two-finger gestures will
992     * result in the corresponding two-finger touch event.
993     */
994    @SdkConstant(SdkConstantType.FEATURE)
995    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
996
997    /**
998     * Feature for {@link #getSystemAvailableFeatures} and
999     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1000     * does support touch emulation for basic events that supports tracking
1001     * a hand of fingers (5 or more fingers) fully independently.
1002     * This is an extension of
1003     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1004     * that unlike a multitouch screen as defined by
1005     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1006     * gestures can be detected due to the limitations described for
1007     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1008     */
1009    @SdkConstant(SdkConstantType.FEATURE)
1010    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1011
1012    /**
1013     * Feature for {@link #getSystemAvailableFeatures} and
1014     * {@link #hasSystemFeature}: The device supports portrait orientation
1015     * screens.  For backwards compatibility, you can assume that if neither
1016     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1017     * both portrait and landscape.
1018     */
1019    @SdkConstant(SdkConstantType.FEATURE)
1020    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1021
1022    /**
1023     * Feature for {@link #getSystemAvailableFeatures} and
1024     * {@link #hasSystemFeature}: The device supports landscape orientation
1025     * screens.  For backwards compatibility, you can assume that if neither
1026     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1027     * both portrait and landscape.
1028     */
1029    @SdkConstant(SdkConstantType.FEATURE)
1030    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1031
1032    /**
1033     * Feature for {@link #getSystemAvailableFeatures} and
1034     * {@link #hasSystemFeature}: The device supports live wallpapers.
1035     */
1036    @SdkConstant(SdkConstantType.FEATURE)
1037    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1038
1039    /**
1040     * Feature for {@link #getSystemAvailableFeatures} and
1041     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1042     */
1043    @SdkConstant(SdkConstantType.FEATURE)
1044    public static final String FEATURE_WIFI = "android.hardware.wifi";
1045
1046    /**
1047     * Feature for {@link #getSystemAvailableFeatures} and
1048     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1049     */
1050    @SdkConstant(SdkConstantType.FEATURE)
1051    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1052
1053    /**
1054     * Action to external storage service to clean out removed apps.
1055     * @hide
1056     */
1057    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1058            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1059
1060    /**
1061     * Extra field name for the URI to a verification file. Passed to a package
1062     * verifier.
1063     *
1064     * @hide
1065     */
1066    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1067
1068    /**
1069     * Extra field name for the ID of a package pending verification. Passed to
1070     * a package verifier and is used to call back to
1071     * {@link PackageManager#verifyPendingInstall(int, int)}
1072     */
1073    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1074
1075    /**
1076     * Extra field name for the package identifier which is trying to install
1077     * the package.
1078     *
1079     * @hide
1080     */
1081    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1082            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1083
1084    /**
1085     * Extra field name for the requested install flags for a package pending
1086     * verification. Passed to a package verifier.
1087     *
1088     * @hide
1089     */
1090    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1091            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1092
1093    /**
1094     * Retrieve overall information about an application package that is
1095     * installed on the system.
1096     * <p>
1097     * Throws {@link NameNotFoundException} if a package with the given name can
1098     * not be found on the system.
1099     *
1100     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1101     *            desired package.
1102     * @param flags Additional option flags. Use any combination of
1103     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1104     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1105     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1106     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1107     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1108     *            modify the data returned.
1109     * @return Returns a PackageInfo object containing information about the
1110     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1111     *         package is not found in the list of installed applications, the
1112     *         package information is retrieved from the list of uninstalled
1113     *         applications(which includes installed applications as well as
1114     *         applications with data directory ie applications which had been
1115     *         deleted with DONT_DELTE_DATA flag set).
1116     * @see #GET_ACTIVITIES
1117     * @see #GET_GIDS
1118     * @see #GET_CONFIGURATIONS
1119     * @see #GET_INSTRUMENTATION
1120     * @see #GET_PERMISSIONS
1121     * @see #GET_PROVIDERS
1122     * @see #GET_RECEIVERS
1123     * @see #GET_SERVICES
1124     * @see #GET_SIGNATURES
1125     * @see #GET_UNINSTALLED_PACKAGES
1126     */
1127    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1128            throws NameNotFoundException;
1129
1130    /**
1131     * Map from the current package names in use on the device to whatever
1132     * the current canonical name of that package is.
1133     * @param names Array of current names to be mapped.
1134     * @return Returns an array of the same size as the original, containing
1135     * the canonical name for each package.
1136     */
1137    public abstract String[] currentToCanonicalPackageNames(String[] names);
1138
1139    /**
1140     * Map from a packages canonical name to the current name in use on the device.
1141     * @param names Array of new names to be mapped.
1142     * @return Returns an array of the same size as the original, containing
1143     * the current name for each package.
1144     */
1145    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1146
1147    /**
1148     * Return a "good" intent to launch a front-door activity in a package,
1149     * for use for example to implement an "open" button when browsing through
1150     * packages.  The current implementation will look first for a main
1151     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1152     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1153     * null if neither are found.
1154     *
1155     * <p>Throws {@link NameNotFoundException} if a package with the given
1156     * name can not be found on the system.
1157     *
1158     * @param packageName The name of the package to inspect.
1159     *
1160     * @return Returns either a fully-qualified Intent that can be used to
1161     * launch the main activity in the package, or null if the package does
1162     * not contain such an activity.
1163     */
1164    public abstract Intent getLaunchIntentForPackage(String packageName);
1165
1166    /**
1167     * Return an array of all of the secondary group-ids that have been
1168     * assigned to a package.
1169     *
1170     * <p>Throws {@link NameNotFoundException} if a package with the given
1171     * name can not be found on the system.
1172     *
1173     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1174     *                    desired package.
1175     *
1176     * @return Returns an int array of the assigned gids, or null if there
1177     * are none.
1178     */
1179    public abstract int[] getPackageGids(String packageName)
1180            throws NameNotFoundException;
1181
1182    /**
1183     * Retrieve all of the information we know about a particular permission.
1184     *
1185     * <p>Throws {@link NameNotFoundException} if a permission with the given
1186     * name can not be found on the system.
1187     *
1188     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1189     *             of the permission you are interested in.
1190     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1191     * retrieve any meta-data associated with the permission.
1192     *
1193     * @return Returns a {@link PermissionInfo} containing information about the
1194     *         permission.
1195     */
1196    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1197            throws NameNotFoundException;
1198
1199    /**
1200     * Query for all of the permissions associated with a particular group.
1201     *
1202     * <p>Throws {@link NameNotFoundException} if the given group does not
1203     * exist.
1204     *
1205     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1206     *             of the permission group you are interested in.  Use null to
1207     *             find all of the permissions not associated with a group.
1208     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1209     * retrieve any meta-data associated with the permissions.
1210     *
1211     * @return Returns a list of {@link PermissionInfo} containing information
1212     * about all of the permissions in the given group.
1213     */
1214    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1215            int flags) throws NameNotFoundException;
1216
1217    /**
1218     * Retrieve all of the information we know about a particular group of
1219     * permissions.
1220     *
1221     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1222     * name can not be found on the system.
1223     *
1224     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1225     *             of the permission you are interested in.
1226     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1227     * retrieve any meta-data associated with the permission group.
1228     *
1229     * @return Returns a {@link PermissionGroupInfo} containing information
1230     * about the permission.
1231     */
1232    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1233            int flags) throws NameNotFoundException;
1234
1235    /**
1236     * Retrieve all of the known permission groups in the system.
1237     *
1238     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1239     * retrieve any meta-data associated with the permission group.
1240     *
1241     * @return Returns a list of {@link PermissionGroupInfo} containing
1242     * information about all of the known permission groups.
1243     */
1244    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1245
1246    /**
1247     * Retrieve all of the information we know about a particular
1248     * package/application.
1249     *
1250     * <p>Throws {@link NameNotFoundException} if an application with the given
1251     * package name can not be found on the system.
1252     *
1253     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1254     *                    application.
1255     * @param flags Additional option flags. Use any combination of
1256     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1257     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1258     *
1259     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1260     *         information about the package.
1261     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1262     *         found in the list of installed applications,
1263     *         the application information is retrieved from the
1264     *         list of uninstalled applications(which includes
1265     *         installed applications as well as applications
1266     *         with data directory ie applications which had been
1267     *         deleted with DONT_DELTE_DATA flag set).
1268     *
1269     * @see #GET_META_DATA
1270     * @see #GET_SHARED_LIBRARY_FILES
1271     * @see #GET_UNINSTALLED_PACKAGES
1272     */
1273    public abstract ApplicationInfo getApplicationInfo(String packageName,
1274            int flags) throws NameNotFoundException;
1275
1276    /**
1277     * Retrieve all of the information we know about a particular activity
1278     * class.
1279     *
1280     * <p>Throws {@link NameNotFoundException} if an activity with the given
1281     * class name can not be found on the system.
1282     *
1283     * @param component The full component name (i.e.
1284     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1285     * class.
1286     * @param flags Additional option flags. Use any combination of
1287     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1288     * to modify the data (in ApplicationInfo) returned.
1289     *
1290     * @return {@link ActivityInfo} containing information about the activity.
1291     *
1292     * @see #GET_INTENT_FILTERS
1293     * @see #GET_META_DATA
1294     * @see #GET_SHARED_LIBRARY_FILES
1295     */
1296    public abstract ActivityInfo getActivityInfo(ComponentName component,
1297            int flags) throws NameNotFoundException;
1298
1299    /**
1300     * Retrieve all of the information we know about a particular receiver
1301     * class.
1302     *
1303     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1304     * class name can not be found on the system.
1305     *
1306     * @param component The full component name (i.e.
1307     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1308     * class.
1309     * @param flags Additional option flags.  Use any combination of
1310     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1311     * to modify the data returned.
1312     *
1313     * @return {@link ActivityInfo} containing information about the receiver.
1314     *
1315     * @see #GET_INTENT_FILTERS
1316     * @see #GET_META_DATA
1317     * @see #GET_SHARED_LIBRARY_FILES
1318     */
1319    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1320            int flags) throws NameNotFoundException;
1321
1322    /**
1323     * Retrieve all of the information we know about a particular service
1324     * class.
1325     *
1326     * <p>Throws {@link NameNotFoundException} if a service with the given
1327     * class name can not be found on the system.
1328     *
1329     * @param component The full component name (i.e.
1330     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1331     * class.
1332     * @param flags Additional option flags.  Use any combination of
1333     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1334     * to modify the data returned.
1335     *
1336     * @return ServiceInfo containing information about the service.
1337     *
1338     * @see #GET_META_DATA
1339     * @see #GET_SHARED_LIBRARY_FILES
1340     */
1341    public abstract ServiceInfo getServiceInfo(ComponentName component,
1342            int flags) throws NameNotFoundException;
1343
1344    /**
1345     * Retrieve all of the information we know about a particular content
1346     * provider class.
1347     *
1348     * <p>Throws {@link NameNotFoundException} if a provider with the given
1349     * class name can not be found on the system.
1350     *
1351     * @param component The full component name (i.e.
1352     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1353     * ContentProvider class.
1354     * @param flags Additional option flags.  Use any combination of
1355     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1356     * to modify the data returned.
1357     *
1358     * @return ProviderInfo containing information about the service.
1359     *
1360     * @see #GET_META_DATA
1361     * @see #GET_SHARED_LIBRARY_FILES
1362     */
1363    public abstract ProviderInfo getProviderInfo(ComponentName component,
1364            int flags) throws NameNotFoundException;
1365
1366    /**
1367     * Return a List of all packages that are installed
1368     * on the device.
1369     *
1370     * @param flags Additional option flags. Use any combination of
1371     * {@link #GET_ACTIVITIES},
1372     * {@link #GET_GIDS},
1373     * {@link #GET_CONFIGURATIONS},
1374     * {@link #GET_INSTRUMENTATION},
1375     * {@link #GET_PERMISSIONS},
1376     * {@link #GET_PROVIDERS},
1377     * {@link #GET_RECEIVERS},
1378     * {@link #GET_SERVICES},
1379     * {@link #GET_SIGNATURES},
1380     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1381     *
1382     * @return A List of PackageInfo objects, one for each package that is
1383     *         installed on the device.  In the unlikely case of there being no
1384     *         installed packages, an empty list is returned.
1385     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1386     *         applications including those deleted with DONT_DELETE_DATA
1387     *         (partially installed apps with data directory) will be returned.
1388     *
1389     * @see #GET_ACTIVITIES
1390     * @see #GET_GIDS
1391     * @see #GET_CONFIGURATIONS
1392     * @see #GET_INSTRUMENTATION
1393     * @see #GET_PERMISSIONS
1394     * @see #GET_PROVIDERS
1395     * @see #GET_RECEIVERS
1396     * @see #GET_SERVICES
1397     * @see #GET_SIGNATURES
1398     * @see #GET_UNINSTALLED_PACKAGES
1399     *
1400     */
1401    public abstract List<PackageInfo> getInstalledPackages(int flags);
1402
1403    /**
1404     * Check whether a particular package has been granted a particular
1405     * permission.
1406     *
1407     * @param permName The name of the permission you are checking for,
1408     * @param pkgName The name of the package you are checking against.
1409     *
1410     * @return If the package has the permission, PERMISSION_GRANTED is
1411     * returned.  If it does not have the permission, PERMISSION_DENIED
1412     * is returned.
1413     *
1414     * @see #PERMISSION_GRANTED
1415     * @see #PERMISSION_DENIED
1416     */
1417    public abstract int checkPermission(String permName, String pkgName);
1418
1419    /**
1420     * Add a new dynamic permission to the system.  For this to work, your
1421     * package must have defined a permission tree through the
1422     * {@link android.R.styleable#AndroidManifestPermissionTree
1423     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1424     * permissions to trees that were defined by either its own package or
1425     * another with the same user id; a permission is in a tree if it
1426     * matches the name of the permission tree + ".": for example,
1427     * "com.foo.bar" is a member of the permission tree "com.foo".
1428     *
1429     * <p>It is good to make your permission tree name descriptive, because you
1430     * are taking possession of that entire set of permission names.  Thus, it
1431     * must be under a domain you control, with a suffix that will not match
1432     * any normal permissions that may be declared in any applications that
1433     * are part of that domain.
1434     *
1435     * <p>New permissions must be added before
1436     * any .apks are installed that use those permissions.  Permissions you
1437     * add through this method are remembered across reboots of the device.
1438     * If the given permission already exists, the info you supply here
1439     * will be used to update it.
1440     *
1441     * @param info Description of the permission to be added.
1442     *
1443     * @return Returns true if a new permission was created, false if an
1444     * existing one was updated.
1445     *
1446     * @throws SecurityException if you are not allowed to add the
1447     * given permission name.
1448     *
1449     * @see #removePermission(String)
1450     */
1451    public abstract boolean addPermission(PermissionInfo info);
1452
1453    /**
1454     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1455     * persists the package manager state after returning from the call,
1456     * allowing it to return quicker and batch a series of adds at the
1457     * expense of no guarantee the added permission will be retained if
1458     * the device is rebooted before it is written.
1459     */
1460    public abstract boolean addPermissionAsync(PermissionInfo info);
1461
1462    /**
1463     * Removes a permission that was previously added with
1464     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1465     * -- you are only allowed to remove permissions that you are allowed
1466     * to add.
1467     *
1468     * @param name The name of the permission to remove.
1469     *
1470     * @throws SecurityException if you are not allowed to remove the
1471     * given permission name.
1472     *
1473     * @see #addPermission(PermissionInfo)
1474     */
1475    public abstract void removePermission(String name);
1476
1477    /**
1478     * Compare the signatures of two packages to determine if the same
1479     * signature appears in both of them.  If they do contain the same
1480     * signature, then they are allowed special privileges when working
1481     * with each other: they can share the same user-id, run instrumentation
1482     * against each other, etc.
1483     *
1484     * @param pkg1 First package name whose signature will be compared.
1485     * @param pkg2 Second package name whose signature will be compared.
1486     *
1487     * @return Returns an integer indicating whether all signatures on the
1488     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1489     * all signatures match or < 0 if there is not a match ({@link
1490     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1491     *
1492     * @see #checkSignatures(int, int)
1493     * @see #SIGNATURE_MATCH
1494     * @see #SIGNATURE_NO_MATCH
1495     * @see #SIGNATURE_UNKNOWN_PACKAGE
1496     */
1497    public abstract int checkSignatures(String pkg1, String pkg2);
1498
1499    /**
1500     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1501     * the two packages to be checked.  This can be useful, for example,
1502     * when doing the check in an IPC, where the UID is the only identity
1503     * available.  It is functionally identical to determining the package
1504     * associated with the UIDs and checking their signatures.
1505     *
1506     * @param uid1 First UID whose signature will be compared.
1507     * @param uid2 Second UID whose signature will be compared.
1508     *
1509     * @return Returns an integer indicating whether all signatures on the
1510     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1511     * all signatures match or < 0 if there is not a match ({@link
1512     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1513     *
1514     * @see #checkSignatures(String, String)
1515     * @see #SIGNATURE_MATCH
1516     * @see #SIGNATURE_NO_MATCH
1517     * @see #SIGNATURE_UNKNOWN_PACKAGE
1518     */
1519    public abstract int checkSignatures(int uid1, int uid2);
1520
1521    /**
1522     * Retrieve the names of all packages that are associated with a particular
1523     * user id.  In most cases, this will be a single package name, the package
1524     * that has been assigned that user id.  Where there are multiple packages
1525     * sharing the same user id through the "sharedUserId" mechanism, all
1526     * packages with that id will be returned.
1527     *
1528     * @param uid The user id for which you would like to retrieve the
1529     * associated packages.
1530     *
1531     * @return Returns an array of one or more packages assigned to the user
1532     * id, or null if there are no known packages with the given id.
1533     */
1534    public abstract String[] getPackagesForUid(int uid);
1535
1536    /**
1537     * Retrieve the official name associated with a user id.  This name is
1538     * guaranteed to never change, though it is possibly for the underlying
1539     * user id to be changed.  That is, if you are storing information about
1540     * user ids in persistent storage, you should use the string returned
1541     * by this function instead of the raw user-id.
1542     *
1543     * @param uid The user id for which you would like to retrieve a name.
1544     * @return Returns a unique name for the given user id, or null if the
1545     * user id is not currently assigned.
1546     */
1547    public abstract String getNameForUid(int uid);
1548
1549    /**
1550     * Return the user id associated with a shared user name. Multiple
1551     * applications can specify a shared user name in their manifest and thus
1552     * end up using a common uid. This might be used for new applications
1553     * that use an existing shared user name and need to know the uid of the
1554     * shared user.
1555     *
1556     * @param sharedUserName The shared user name whose uid is to be retrieved.
1557     * @return Returns the uid associated with the shared user, or  NameNotFoundException
1558     * if the shared user name is not being used by any installed packages
1559     * @hide
1560     */
1561    public abstract int getUidForSharedUser(String sharedUserName)
1562            throws NameNotFoundException;
1563
1564    /**
1565     * Return a List of all application packages that are installed on the
1566     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
1567     * applications including those deleted with DONT_DELETE_DATA(partially
1568     * installed apps with data directory) will be returned.
1569     *
1570     * @param flags Additional option flags. Use any combination of
1571     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1572     * {link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1573     *
1574     * @return A List of ApplicationInfo objects, one for each application that
1575     *         is installed on the device.  In the unlikely case of there being
1576     *         no installed applications, an empty list is returned.
1577     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1578     *         applications including those deleted with DONT_DELETE_DATA
1579     *         (partially installed apps with data directory) will be returned.
1580     *
1581     * @see #GET_META_DATA
1582     * @see #GET_SHARED_LIBRARY_FILES
1583     * @see #GET_UNINSTALLED_PACKAGES
1584     */
1585    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
1586
1587    /**
1588     * Get a list of shared libraries that are available on the
1589     * system.
1590     *
1591     * @return An array of shared library names that are
1592     * available on the system, or null if none are installed.
1593     *
1594     */
1595    public abstract String[] getSystemSharedLibraryNames();
1596
1597    /**
1598     * Get a list of features that are available on the
1599     * system.
1600     *
1601     * @return An array of FeatureInfo classes describing the features
1602     * that are available on the system, or null if there are none(!!).
1603     */
1604    public abstract FeatureInfo[] getSystemAvailableFeatures();
1605
1606    /**
1607     * Check whether the given feature name is one of the available
1608     * features as returned by {@link #getSystemAvailableFeatures()}.
1609     *
1610     * @return Returns true if the devices supports the feature, else
1611     * false.
1612     */
1613    public abstract boolean hasSystemFeature(String name);
1614
1615    /**
1616     * Determine the best action to perform for a given Intent.  This is how
1617     * {@link Intent#resolveActivity} finds an activity if a class has not
1618     * been explicitly specified.
1619     *
1620     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
1621     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
1622     * only flag.  You need to do so to resolve the activity in the same way
1623     * that {@link android.content.Context#startActivity(Intent)} and
1624     * {@link android.content.Intent#resolveActivity(PackageManager)
1625     * Intent.resolveActivity(PackageManager)} do.</p>
1626     *
1627     * @param intent An intent containing all of the desired specification
1628     *               (action, data, type, category, and/or component).
1629     * @param flags Additional option flags.  The most important is
1630     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1631     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1632     *
1633     * @return Returns a ResolveInfo containing the final activity intent that
1634     *         was determined to be the best action.  Returns null if no
1635     *         matching activity was found. If multiple matching activities are
1636     *         found and there is no default set, returns a ResolveInfo
1637     *         containing something else, such as the activity resolver.
1638     *
1639     * @see #MATCH_DEFAULT_ONLY
1640     * @see #GET_INTENT_FILTERS
1641     * @see #GET_RESOLVED_FILTER
1642     */
1643    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
1644
1645    /**
1646     * Retrieve all activities that can be performed for the given intent.
1647     *
1648     * @param intent The desired intent as per resolveActivity().
1649     * @param flags Additional option flags.  The most important is
1650     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1651     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1652     *
1653     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1654     *         Activity. These are ordered from best to worst match -- that
1655     *         is, the first item in the list is what is returned by
1656     *         {@link #resolveActivity}.  If there are no matching activities, an empty
1657     *         list is returned.
1658     *
1659     * @see #MATCH_DEFAULT_ONLY
1660     * @see #GET_INTENT_FILTERS
1661     * @see #GET_RESOLVED_FILTER
1662     */
1663    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
1664            int flags);
1665
1666    /**
1667     * Retrieve a set of activities that should be presented to the user as
1668     * similar options.  This is like {@link #queryIntentActivities}, except it
1669     * also allows you to supply a list of more explicit Intents that you would
1670     * like to resolve to particular options, and takes care of returning the
1671     * final ResolveInfo list in a reasonable order, with no duplicates, based
1672     * on those inputs.
1673     *
1674     * @param caller The class name of the activity that is making the
1675     *               request.  This activity will never appear in the output
1676     *               list.  Can be null.
1677     * @param specifics An array of Intents that should be resolved to the
1678     *                  first specific results.  Can be null.
1679     * @param intent The desired intent as per resolveActivity().
1680     * @param flags Additional option flags.  The most important is
1681     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1682     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1683     *
1684     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1685     *         Activity. These are ordered first by all of the intents resolved
1686     *         in <var>specifics</var> and then any additional activities that
1687     *         can handle <var>intent</var> but did not get included by one of
1688     *         the <var>specifics</var> intents.  If there are no matching
1689     *         activities, an empty list is returned.
1690     *
1691     * @see #MATCH_DEFAULT_ONLY
1692     * @see #GET_INTENT_FILTERS
1693     * @see #GET_RESOLVED_FILTER
1694     */
1695    public abstract List<ResolveInfo> queryIntentActivityOptions(
1696            ComponentName caller, Intent[] specifics, Intent intent, int flags);
1697
1698    /**
1699     * Retrieve all receivers that can handle a broadcast of the given intent.
1700     *
1701     * @param intent The desired intent as per resolveActivity().
1702     * @param flags Additional option flags.
1703     *
1704     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1705     *         Receiver. These are ordered from first to last in priority.  If
1706     *         there are no matching receivers, an empty list is returned.
1707     *
1708     * @see #MATCH_DEFAULT_ONLY
1709     * @see #GET_INTENT_FILTERS
1710     * @see #GET_RESOLVED_FILTER
1711     */
1712    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
1713            int flags);
1714
1715    /**
1716     * Determine the best service to handle for a given Intent.
1717     *
1718     * @param intent An intent containing all of the desired specification
1719     *               (action, data, type, category, and/or component).
1720     * @param flags Additional option flags.
1721     *
1722     * @return Returns a ResolveInfo containing the final service intent that
1723     *         was determined to be the best action.  Returns null if no
1724     *         matching service was found.
1725     *
1726     * @see #GET_INTENT_FILTERS
1727     * @see #GET_RESOLVED_FILTER
1728     */
1729    public abstract ResolveInfo resolveService(Intent intent, int flags);
1730
1731    /**
1732     * Retrieve all services that can match the given intent.
1733     *
1734     * @param intent The desired intent as per resolveService().
1735     * @param flags Additional option flags.
1736     *
1737     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
1738     *         ServiceInfo. These are ordered from best to worst match -- that
1739     *         is, the first item in the list is what is returned by
1740     *         resolveService().  If there are no matching services, an empty
1741     *         list is returned.
1742     *
1743     * @see #GET_INTENT_FILTERS
1744     * @see #GET_RESOLVED_FILTER
1745     */
1746    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
1747            int flags);
1748
1749    /**
1750     * Find a single content provider by its base path name.
1751     *
1752     * @param name The name of the provider to find.
1753     * @param flags Additional option flags.  Currently should always be 0.
1754     *
1755     * @return ContentProviderInfo Information about the provider, if found,
1756     *         else null.
1757     */
1758    public abstract ProviderInfo resolveContentProvider(String name,
1759            int flags);
1760
1761    /**
1762     * Retrieve content provider information.
1763     *
1764     * <p><em>Note: unlike most other methods, an empty result set is indicated
1765     * by a null return instead of an empty list.</em>
1766     *
1767     * @param processName If non-null, limits the returned providers to only
1768     *                    those that are hosted by the given process.  If null,
1769     *                    all content providers are returned.
1770     * @param uid If <var>processName</var> is non-null, this is the required
1771     *        uid owning the requested content providers.
1772     * @param flags Additional option flags.  Currently should always be 0.
1773     *
1774     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
1775     *         content provider either patching <var>processName</var> or, if
1776     *         <var>processName</var> is null, all known content providers.
1777     *         <em>If there are no matching providers, null is returned.</em>
1778     */
1779    public abstract List<ProviderInfo> queryContentProviders(
1780            String processName, int uid, int flags);
1781
1782    /**
1783     * Retrieve all of the information we know about a particular
1784     * instrumentation class.
1785     *
1786     * <p>Throws {@link NameNotFoundException} if instrumentation with the
1787     * given class name can not be found on the system.
1788     *
1789     * @param className The full name (i.e.
1790     *                  com.google.apps.contacts.InstrumentList) of an
1791     *                  Instrumentation class.
1792     * @param flags Additional option flags.  Currently should always be 0.
1793     *
1794     * @return InstrumentationInfo containing information about the
1795     *         instrumentation.
1796     */
1797    public abstract InstrumentationInfo getInstrumentationInfo(
1798            ComponentName className, int flags) throws NameNotFoundException;
1799
1800    /**
1801     * Retrieve information about available instrumentation code.  May be used
1802     * to retrieve either all instrumentation code, or only the code targeting
1803     * a particular package.
1804     *
1805     * @param targetPackage If null, all instrumentation is returned; only the
1806     *                      instrumentation targeting this package name is
1807     *                      returned.
1808     * @param flags Additional option flags.  Currently should always be 0.
1809     *
1810     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
1811     *         matching available Instrumentation.  Returns an empty list if
1812     *         there is no instrumentation available for the given package.
1813     */
1814    public abstract List<InstrumentationInfo> queryInstrumentation(
1815            String targetPackage, int flags);
1816
1817    /**
1818     * Retrieve an image from a package.  This is a low-level API used by
1819     * the various package manager info structures (such as
1820     * {@link ComponentInfo} to implement retrieval of their associated
1821     * icon.
1822     *
1823     * @param packageName The name of the package that this icon is coming from.
1824     * Can not be null.
1825     * @param resid The resource identifier of the desired image.  Can not be 0.
1826     * @param appInfo Overall information about <var>packageName</var>.  This
1827     * may be null, in which case the application information will be retrieved
1828     * for you if needed; if you already have this information around, it can
1829     * be much more efficient to supply it here.
1830     *
1831     * @return Returns a Drawable holding the requested image.  Returns null if
1832     * an image could not be found for any reason.
1833     */
1834    public abstract Drawable getDrawable(String packageName, int resid,
1835            ApplicationInfo appInfo);
1836
1837    /**
1838     * Retrieve the icon associated with an activity.  Given the full name of
1839     * an activity, retrieves the information about it and calls
1840     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
1841     * If the activity can not be found, NameNotFoundException is thrown.
1842     *
1843     * @param activityName Name of the activity whose icon is to be retrieved.
1844     *
1845     * @return Returns the image of the icon, or the default activity icon if
1846     * it could not be found.  Does not return null.
1847     * @throws NameNotFoundException Thrown if the resources for the given
1848     * activity could not be loaded.
1849     *
1850     * @see #getActivityIcon(Intent)
1851     */
1852    public abstract Drawable getActivityIcon(ComponentName activityName)
1853            throws NameNotFoundException;
1854
1855    /**
1856     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
1857     * set, this simply returns the result of
1858     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
1859     * component and returns the icon associated with the resolved component.
1860     * If intent.getClassName() can not be found or the Intent can not be resolved
1861     * to a component, NameNotFoundException is thrown.
1862     *
1863     * @param intent The intent for which you would like to retrieve an icon.
1864     *
1865     * @return Returns the image of the icon, or the default activity icon if
1866     * it could not be found.  Does not return null.
1867     * @throws NameNotFoundException Thrown if the resources for application
1868     * matching the given intent could not be loaded.
1869     *
1870     * @see #getActivityIcon(ComponentName)
1871     */
1872    public abstract Drawable getActivityIcon(Intent intent)
1873            throws NameNotFoundException;
1874
1875    /**
1876     * Return the generic icon for an activity that is used when no specific
1877     * icon is defined.
1878     *
1879     * @return Drawable Image of the icon.
1880     */
1881    public abstract Drawable getDefaultActivityIcon();
1882
1883    /**
1884     * Retrieve the icon associated with an application.  If it has not defined
1885     * an icon, the default app icon is returned.  Does not return null.
1886     *
1887     * @param info Information about application being queried.
1888     *
1889     * @return Returns the image of the icon, or the default application icon
1890     * if it could not be found.
1891     *
1892     * @see #getApplicationIcon(String)
1893     */
1894    public abstract Drawable getApplicationIcon(ApplicationInfo info);
1895
1896    /**
1897     * Retrieve the icon associated with an application.  Given the name of the
1898     * application's package, retrieves the information about it and calls
1899     * getApplicationIcon() to return its icon. If the application can not be
1900     * found, NameNotFoundException is thrown.
1901     *
1902     * @param packageName Name of the package whose application icon is to be
1903     *                    retrieved.
1904     *
1905     * @return Returns the image of the icon, or the default application icon
1906     * if it could not be found.  Does not return null.
1907     * @throws NameNotFoundException Thrown if the resources for the given
1908     * application could not be loaded.
1909     *
1910     * @see #getApplicationIcon(ApplicationInfo)
1911     */
1912    public abstract Drawable getApplicationIcon(String packageName)
1913            throws NameNotFoundException;
1914
1915    /**
1916     * Retrieve the logo associated with an activity.  Given the full name of
1917     * an activity, retrieves the information about it and calls
1918     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its logo.
1919     * If the activity can not be found, NameNotFoundException is thrown.
1920     *
1921     * @param activityName Name of the activity whose logo is to be retrieved.
1922     *
1923     * @return Returns the image of the logo or null if the activity has no
1924     * logo specified.
1925     *
1926     * @throws NameNotFoundException Thrown if the resources for the given
1927     * activity could not be loaded.
1928     *
1929     * @see #getActivityLogo(Intent)
1930     */
1931    public abstract Drawable getActivityLogo(ComponentName activityName)
1932            throws NameNotFoundException;
1933
1934    /**
1935     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
1936     * set, this simply returns the result of
1937     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
1938     * component and returns the logo associated with the resolved component.
1939     * If intent.getClassName() can not be found or the Intent can not be resolved
1940     * to a component, NameNotFoundException is thrown.
1941     *
1942     * @param intent The intent for which you would like to retrieve a logo.
1943     *
1944     * @return Returns the image of the logo, or null if the activity has no
1945     * logo specified.
1946     *
1947     * @throws NameNotFoundException Thrown if the resources for application
1948     * matching the given intent could not be loaded.
1949     *
1950     * @see #getActivityLogo(ComponentName)
1951     */
1952    public abstract Drawable getActivityLogo(Intent intent)
1953            throws NameNotFoundException;
1954
1955    /**
1956     * Retrieve the logo associated with an application.  If it has not specified
1957     * a logo, this method returns null.
1958     *
1959     * @param info Information about application being queried.
1960     *
1961     * @return Returns the image of the logo, or null if no logo is specified
1962     * by the application.
1963     *
1964     * @see #getApplicationLogo(String)
1965     */
1966    public abstract Drawable getApplicationLogo(ApplicationInfo info);
1967
1968    /**
1969     * Retrieve the logo associated with an application.  Given the name of the
1970     * application's package, retrieves the information about it and calls
1971     * getApplicationLogo() to return its logo. If the application can not be
1972     * found, NameNotFoundException is thrown.
1973     *
1974     * @param packageName Name of the package whose application logo is to be
1975     *                    retrieved.
1976     *
1977     * @return Returns the image of the logo, or null if no application logo
1978     * has been specified.
1979     *
1980     * @throws NameNotFoundException Thrown if the resources for the given
1981     * application could not be loaded.
1982     *
1983     * @see #getApplicationLogo(ApplicationInfo)
1984     */
1985    public abstract Drawable getApplicationLogo(String packageName)
1986            throws NameNotFoundException;
1987
1988    /**
1989     * Retrieve text from a package.  This is a low-level API used by
1990     * the various package manager info structures (such as
1991     * {@link ComponentInfo} to implement retrieval of their associated
1992     * labels and other text.
1993     *
1994     * @param packageName The name of the package that this text is coming from.
1995     * Can not be null.
1996     * @param resid The resource identifier of the desired text.  Can not be 0.
1997     * @param appInfo Overall information about <var>packageName</var>.  This
1998     * may be null, in which case the application information will be retrieved
1999     * for you if needed; if you already have this information around, it can
2000     * be much more efficient to supply it here.
2001     *
2002     * @return Returns a CharSequence holding the requested text.  Returns null
2003     * if the text could not be found for any reason.
2004     */
2005    public abstract CharSequence getText(String packageName, int resid,
2006            ApplicationInfo appInfo);
2007
2008    /**
2009     * Retrieve an XML file from a package.  This is a low-level API used to
2010     * retrieve XML meta data.
2011     *
2012     * @param packageName The name of the package that this xml is coming from.
2013     * Can not be null.
2014     * @param resid The resource identifier of the desired xml.  Can not be 0.
2015     * @param appInfo Overall information about <var>packageName</var>.  This
2016     * may be null, in which case the application information will be retrieved
2017     * for you if needed; if you already have this information around, it can
2018     * be much more efficient to supply it here.
2019     *
2020     * @return Returns an XmlPullParser allowing you to parse out the XML
2021     * data.  Returns null if the xml resource could not be found for any
2022     * reason.
2023     */
2024    public abstract XmlResourceParser getXml(String packageName, int resid,
2025            ApplicationInfo appInfo);
2026
2027    /**
2028     * Return the label to use for this application.
2029     *
2030     * @return Returns the label associated with this application, or null if
2031     * it could not be found for any reason.
2032     * @param info The application to get the label of
2033     */
2034    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2035
2036    /**
2037     * Retrieve the resources associated with an activity.  Given the full
2038     * name of an activity, retrieves the information about it and calls
2039     * getResources() to return its application's resources.  If the activity
2040     * can not be found, NameNotFoundException is thrown.
2041     *
2042     * @param activityName Name of the activity whose resources are to be
2043     *                     retrieved.
2044     *
2045     * @return Returns the application's Resources.
2046     * @throws NameNotFoundException Thrown if the resources for the given
2047     * application could not be loaded.
2048     *
2049     * @see #getResourcesForApplication(ApplicationInfo)
2050     */
2051    public abstract Resources getResourcesForActivity(ComponentName activityName)
2052            throws NameNotFoundException;
2053
2054    /**
2055     * Retrieve the resources for an application.  Throws NameNotFoundException
2056     * if the package is no longer installed.
2057     *
2058     * @param app Information about the desired application.
2059     *
2060     * @return Returns the application's Resources.
2061     * @throws NameNotFoundException Thrown if the resources for the given
2062     * application could not be loaded (most likely because it was uninstalled).
2063     */
2064    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2065            throws NameNotFoundException;
2066
2067    /**
2068     * Retrieve the resources associated with an application.  Given the full
2069     * package name of an application, retrieves the information about it and
2070     * calls getResources() to return its application's resources.  If the
2071     * appPackageName can not be found, NameNotFoundException is thrown.
2072     *
2073     * @param appPackageName Package name of the application whose resources
2074     *                       are to be retrieved.
2075     *
2076     * @return Returns the application's Resources.
2077     * @throws NameNotFoundException Thrown if the resources for the given
2078     * application could not be loaded.
2079     *
2080     * @see #getResourcesForApplication(ApplicationInfo)
2081     */
2082    public abstract Resources getResourcesForApplication(String appPackageName)
2083            throws NameNotFoundException;
2084
2085    /**
2086     * Retrieve overall information about an application package defined
2087     * in a package archive file
2088     *
2089     * @param archiveFilePath The path to the archive file
2090     * @param flags Additional option flags. Use any combination of
2091     * {@link #GET_ACTIVITIES},
2092     * {@link #GET_GIDS},
2093     * {@link #GET_CONFIGURATIONS},
2094     * {@link #GET_INSTRUMENTATION},
2095     * {@link #GET_PERMISSIONS},
2096     * {@link #GET_PROVIDERS},
2097     * {@link #GET_RECEIVERS},
2098     * {@link #GET_SERVICES},
2099     * {@link #GET_SIGNATURES}, to modify the data returned.
2100     *
2101     * @return Returns the information about the package. Returns
2102     * null if the package could not be successfully parsed.
2103     *
2104     * @see #GET_ACTIVITIES
2105     * @see #GET_GIDS
2106     * @see #GET_CONFIGURATIONS
2107     * @see #GET_INSTRUMENTATION
2108     * @see #GET_PERMISSIONS
2109     * @see #GET_PROVIDERS
2110     * @see #GET_RECEIVERS
2111     * @see #GET_SERVICES
2112     * @see #GET_SIGNATURES
2113     *
2114     */
2115    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2116        PackageParser packageParser = new PackageParser(archiveFilePath);
2117        DisplayMetrics metrics = new DisplayMetrics();
2118        metrics.setToDefaults();
2119        final File sourceFile = new File(archiveFilePath);
2120        PackageParser.Package pkg = packageParser.parsePackage(
2121                sourceFile, archiveFilePath, metrics, 0);
2122        if (pkg == null) {
2123            return null;
2124        }
2125        if ((flags & GET_SIGNATURES) != 0) {
2126            packageParser.collectCertificates(pkg, 0);
2127        }
2128        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0);
2129    }
2130
2131    /**
2132     * @hide
2133     *
2134     * Install a package. Since this may take a little while, the result will
2135     * be posted back to the given observer.  An installation will fail if the calling context
2136     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2137     * package named in the package file's manifest is already installed, or if there's no space
2138     * available on the device.
2139     *
2140     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2141     * 'content:' URI.
2142     * @param observer An observer callback to get notified when the package installation is
2143     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2144     * called when that happens.  observer may be null to indicate that no callback is desired.
2145     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2146     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2147     * @param installerPackageName Optional package name of the application that is performing the
2148     * installation. This identifies which market the package came from.
2149     */
2150    public abstract void installPackage(
2151            Uri packageURI, IPackageInstallObserver observer, int flags,
2152            String installerPackageName);
2153
2154    /**
2155     * Similar to
2156     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2157     * with an extra verification file provided.
2158     *
2159     * @param packageURI The location of the package file to install. This can
2160     *            be a 'file:' or a 'content:' URI.
2161     * @param observer An observer callback to get notified when the package
2162     *            installation is complete.
2163     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2164     *            will be called when that happens. observer may be null to
2165     *            indicate that no callback is desired.
2166     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2167     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2168     *            .
2169     * @param installerPackageName Optional package name of the application that
2170     *            is performing the installation. This identifies which market
2171     *            the package came from.
2172     * @param verificationURI The location of the supplementary verification
2173     *            file. This can be a 'file:' or a 'content:' URI.
2174     * @hide
2175     */
2176    public abstract void installPackageWithVerification(Uri packageURI,
2177            IPackageInstallObserver observer, int flags, String installerPackageName,
2178            Uri verificationURI, ManifestDigest manifestDigest);
2179
2180    /**
2181     * Allows a package listening to the
2182     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2183     * broadcast} to respond to the package manager. The response must include
2184     * the {@code verificationCode} which is one of
2185     * {@link PackageManager#VERIFICATION_ALLOW} or
2186     * {@link PackageManager#VERIFICATION_REJECT}.
2187     *
2188     * @param id pending package identifier as passed via the
2189     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra
2190     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2191     *            or {@link PackageManager#VERIFICATION_REJECT}.
2192     */
2193    public abstract void verifyPendingInstall(int id, int verificationCode);
2194
2195    /**
2196     * Change the installer associated with a given package.  There are limitations
2197     * on how the installer package can be changed; in particular:
2198     * <ul>
2199     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2200     * is not signed with the same certificate as the calling application.
2201     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2202     * has an installer package, and that installer package is not signed with
2203     * the same certificate as the calling application.
2204     * </ul>
2205     *
2206     * @param targetPackage The installed package whose installer will be changed.
2207     * @param installerPackageName The package name of the new installer.  May be
2208     * null to clear the association.
2209     */
2210    public abstract void setInstallerPackageName(String targetPackage,
2211            String installerPackageName);
2212
2213    /**
2214     * Attempts to delete a package.  Since this may take a little while, the result will
2215     * be posted back to the given observer.  A deletion will fail if the calling context
2216     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2217     * named package cannot be found, or if the named package is a "system package".
2218     * (TODO: include pointer to documentation on "system packages")
2219     *
2220     * @param packageName The name of the package to delete
2221     * @param observer An observer callback to get notified when the package deletion is
2222     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2223     * called when that happens.  observer may be null to indicate that no callback is desired.
2224     * @param flags - possible values: {@link #DONT_DELETE_DATA}
2225     *
2226     * @hide
2227     */
2228    public abstract void deletePackage(
2229            String packageName, IPackageDeleteObserver observer, int flags);
2230
2231    /**
2232     * Retrieve the package name of the application that installed a package. This identifies
2233     * which market the package came from.
2234     *
2235     * @param packageName The name of the package to query
2236     */
2237    public abstract String getInstallerPackageName(String packageName);
2238
2239    /**
2240     * Attempts to clear the user data directory of an application.
2241     * Since this may take a little while, the result will
2242     * be posted back to the given observer.  A deletion will fail if the
2243     * named package cannot be found, or if the named package is a "system package".
2244     *
2245     * @param packageName The name of the package
2246     * @param observer An observer callback to get notified when the operation is finished
2247     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2248     * will be called when that happens.  observer may be null to indicate that
2249     * no callback is desired.
2250     *
2251     * @hide
2252     */
2253    public abstract void clearApplicationUserData(String packageName,
2254            IPackageDataObserver observer);
2255    /**
2256     * Attempts to delete the cache files associated with an application.
2257     * Since this may take a little while, the result will
2258     * be posted back to the given observer.  A deletion will fail if the calling context
2259     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2260     * named package cannot be found, or if the named package is a "system package".
2261     *
2262     * @param packageName The name of the package to delete
2263     * @param observer An observer callback to get notified when the cache file deletion
2264     * is complete.
2265     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2266     * will be called when that happens.  observer may be null to indicate that
2267     * no callback is desired.
2268     *
2269     * @hide
2270     */
2271    public abstract void deleteApplicationCacheFiles(String packageName,
2272            IPackageDataObserver observer);
2273
2274    /**
2275     * Free storage by deleting LRU sorted list of cache files across
2276     * all applications. If the currently available free storage
2277     * on the device is greater than or equal to the requested
2278     * free storage, no cache files are cleared. If the currently
2279     * available storage on the device is less than the requested
2280     * free storage, some or all of the cache files across
2281     * all applications are deleted (based on last accessed time)
2282     * to increase the free storage space on the device to
2283     * the requested value. There is no guarantee that clearing all
2284     * the cache files from all applications will clear up
2285     * enough storage to achieve the desired value.
2286     * @param freeStorageSize The number of bytes of storage to be
2287     * freed by the system. Say if freeStorageSize is XX,
2288     * and the current free storage is YY,
2289     * if XX is less than YY, just return. if not free XX-YY number
2290     * of bytes if possible.
2291     * @param observer call back used to notify when
2292     * the operation is completed
2293     *
2294     * @hide
2295     */
2296    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
2297
2298    /**
2299     * Free storage by deleting LRU sorted list of cache files across
2300     * all applications. If the currently available free storage
2301     * on the device is greater than or equal to the requested
2302     * free storage, no cache files are cleared. If the currently
2303     * available storage on the device is less than the requested
2304     * free storage, some or all of the cache files across
2305     * all applications are deleted (based on last accessed time)
2306     * to increase the free storage space on the device to
2307     * the requested value. There is no guarantee that clearing all
2308     * the cache files from all applications will clear up
2309     * enough storage to achieve the desired value.
2310     * @param freeStorageSize The number of bytes of storage to be
2311     * freed by the system. Say if freeStorageSize is XX,
2312     * and the current free storage is YY,
2313     * if XX is less than YY, just return. if not free XX-YY number
2314     * of bytes if possible.
2315     * @param pi IntentSender call back used to
2316     * notify when the operation is completed.May be null
2317     * to indicate that no call back is desired.
2318     *
2319     * @hide
2320     */
2321    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
2322
2323    /**
2324     * Retrieve the size information for a package.
2325     * Since this may take a little while, the result will
2326     * be posted back to the given observer.  The calling context
2327     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
2328     *
2329     * @param packageName The name of the package whose size information is to be retrieved
2330     * @param observer An observer callback to get notified when the operation
2331     * is complete.
2332     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
2333     * The observer's callback is invoked with a PackageStats object(containing the
2334     * code, data and cache sizes of the package) and a boolean value representing
2335     * the status of the operation. observer may be null to indicate that
2336     * no callback is desired.
2337     *
2338     * @hide
2339     */
2340    public abstract void getPackageSizeInfo(String packageName,
2341            IPackageStatsObserver observer);
2342
2343    /**
2344     * @deprecated This function no longer does anything; it was an old
2345     * approach to managing preferred activities, which has been superceeded
2346     * (and conflicts with) the modern activity-based preferences.
2347     */
2348    @Deprecated
2349    public abstract void addPackageToPreferred(String packageName);
2350
2351    /**
2352     * @deprecated This function no longer does anything; it was an old
2353     * approach to managing preferred activities, which has been superceeded
2354     * (and conflicts with) the modern activity-based preferences.
2355     */
2356    @Deprecated
2357    public abstract void removePackageFromPreferred(String packageName);
2358
2359    /**
2360     * Retrieve the list of all currently configured preferred packages.  The
2361     * first package on the list is the most preferred, the last is the
2362     * least preferred.
2363     *
2364     * @param flags Additional option flags. Use any combination of
2365     * {@link #GET_ACTIVITIES},
2366     * {@link #GET_GIDS},
2367     * {@link #GET_CONFIGURATIONS},
2368     * {@link #GET_INSTRUMENTATION},
2369     * {@link #GET_PERMISSIONS},
2370     * {@link #GET_PROVIDERS},
2371     * {@link #GET_RECEIVERS},
2372     * {@link #GET_SERVICES},
2373     * {@link #GET_SIGNATURES}, to modify the data returned.
2374     *
2375     * @return Returns a list of PackageInfo objects describing each
2376     * preferred application, in order of preference.
2377     *
2378     * @see #GET_ACTIVITIES
2379     * @see #GET_GIDS
2380     * @see #GET_CONFIGURATIONS
2381     * @see #GET_INSTRUMENTATION
2382     * @see #GET_PERMISSIONS
2383     * @see #GET_PROVIDERS
2384     * @see #GET_RECEIVERS
2385     * @see #GET_SERVICES
2386     * @see #GET_SIGNATURES
2387     */
2388    public abstract List<PackageInfo> getPreferredPackages(int flags);
2389
2390    /**
2391     * @deprecated This is a protected API that should not have been available
2392     * to third party applications.  It is the platform's responsibility for
2393     * assigning preferred activities and this can not be directly modified.
2394     *
2395     * Add a new preferred activity mapping to the system.  This will be used
2396     * to automatically select the given activity component when
2397     * {@link Context#startActivity(Intent) Context.startActivity()} finds
2398     * multiple matching activities and also matches the given filter.
2399     *
2400     * @param filter The set of intents under which this activity will be
2401     * made preferred.
2402     * @param match The IntentFilter match category that this preference
2403     * applies to.
2404     * @param set The set of activities that the user was picking from when
2405     * this preference was made.
2406     * @param activity The component name of the activity that is to be
2407     * preferred.
2408     */
2409    @Deprecated
2410    public abstract void addPreferredActivity(IntentFilter filter, int match,
2411            ComponentName[] set, ComponentName activity);
2412
2413    /**
2414     * @deprecated This is a protected API that should not have been available
2415     * to third party applications.  It is the platform's responsibility for
2416     * assigning preferred activities and this can not be directly modified.
2417     *
2418     * Replaces an existing preferred activity mapping to the system, and if that were not present
2419     * adds a new preferred activity.  This will be used
2420     * to automatically select the given activity component when
2421     * {@link Context#startActivity(Intent) Context.startActivity()} finds
2422     * multiple matching activities and also matches the given filter.
2423     *
2424     * @param filter The set of intents under which this activity will be
2425     * made preferred.
2426     * @param match The IntentFilter match category that this preference
2427     * applies to.
2428     * @param set The set of activities that the user was picking from when
2429     * this preference was made.
2430     * @param activity The component name of the activity that is to be
2431     * preferred.
2432     * @hide
2433     */
2434    @Deprecated
2435    public abstract void replacePreferredActivity(IntentFilter filter, int match,
2436            ComponentName[] set, ComponentName activity);
2437
2438    /**
2439     * Remove all preferred activity mappings, previously added with
2440     * {@link #addPreferredActivity}, from the
2441     * system whose activities are implemented in the given package name.
2442     * An application can only clear its own package(s).
2443     *
2444     * @param packageName The name of the package whose preferred activity
2445     * mappings are to be removed.
2446     */
2447    public abstract void clearPackagePreferredActivities(String packageName);
2448
2449    /**
2450     * Retrieve all preferred activities, previously added with
2451     * {@link #addPreferredActivity}, that are
2452     * currently registered with the system.
2453     *
2454     * @param outFilters A list in which to place the filters of all of the
2455     * preferred activities, or null for none.
2456     * @param outActivities A list in which to place the component names of
2457     * all of the preferred activities, or null for none.
2458     * @param packageName An option package in which you would like to limit
2459     * the list.  If null, all activities will be returned; if non-null, only
2460     * those activities in the given package are returned.
2461     *
2462     * @return Returns the total number of registered preferred activities
2463     * (the number of distinct IntentFilter records, not the number of unique
2464     * activity components) that were found.
2465     */
2466    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
2467            List<ComponentName> outActivities, String packageName);
2468
2469    /**
2470     * Set the enabled setting for a package component (activity, receiver, service, provider).
2471     * This setting will override any enabled state which may have been set by the component in its
2472     * manifest.
2473     *
2474     * @param componentName The component to enable
2475     * @param newState The new enabled state for the component.  The legal values for this state
2476     *                 are:
2477     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
2478     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
2479     *                   and
2480     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
2481     *                 The last one removes the setting, thereby restoring the component's state to
2482     *                 whatever was set in it's manifest (or enabled, by default).
2483     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
2484     */
2485    public abstract void setComponentEnabledSetting(ComponentName componentName,
2486            int newState, int flags);
2487
2488
2489    /**
2490     * Return the the enabled setting for a package component (activity,
2491     * receiver, service, provider).  This returns the last value set by
2492     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
2493     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
2494     * the value originally specified in the manifest has not been modified.
2495     *
2496     * @param componentName The component to retrieve.
2497     * @return Returns the current enabled state for the component.  May
2498     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
2499     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
2500     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
2501     * component's enabled state is based on the original information in
2502     * the manifest as found in {@link ComponentInfo}.
2503     */
2504    public abstract int getComponentEnabledSetting(ComponentName componentName);
2505
2506    /**
2507     * Set the enabled setting for an application
2508     * This setting will override any enabled state which may have been set by the application in
2509     * its manifest.  It also overrides the enabled state set in the manifest for any of the
2510     * application's components.  It does not override any enabled state set by
2511     * {@link #setComponentEnabledSetting} for any of the application's components.
2512     *
2513     * @param packageName The package name of the application to enable
2514     * @param newState The new enabled state for the component.  The legal values for this state
2515     *                 are:
2516     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
2517     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
2518     *                   and
2519     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
2520     *                 The last one removes the setting, thereby restoring the applications's state to
2521     *                 whatever was set in its manifest (or enabled, by default).
2522     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
2523     */
2524    public abstract void setApplicationEnabledSetting(String packageName,
2525            int newState, int flags);
2526
2527    /**
2528     * Return the the enabled setting for an application.  This returns
2529     * the last value set by
2530     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
2531     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
2532     * the value originally specified in the manifest has not been modified.
2533     *
2534     * @param packageName The component to retrieve.
2535     * @return Returns the current enabled state for the component.  May
2536     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
2537     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
2538     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
2539     * application's enabled state is based on the original information in
2540     * the manifest as found in {@link ComponentInfo}.
2541     * @throws IllegalArgumentException if the named package does not exist.
2542     */
2543    public abstract int getApplicationEnabledSetting(String packageName);
2544
2545    /**
2546     * Return whether the device has been booted into safe mode.
2547     */
2548    public abstract boolean isSafeMode();
2549
2550    /**
2551     * Attempts to move package resources from internal to external media or vice versa.
2552     * Since this may take a little while, the result will
2553     * be posted back to the given observer.   This call may fail if the calling context
2554     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
2555     * named package cannot be found, or if the named package is a "system package".
2556     *
2557     * @param packageName The name of the package to delete
2558     * @param observer An observer callback to get notified when the package move is
2559     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
2560     * called when that happens.  observer may be null to indicate that no callback is desired.
2561     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
2562     * {@link #MOVE_EXTERNAL_MEDIA}
2563     *
2564     * @hide
2565     */
2566    public abstract void movePackage(
2567            String packageName, IPackageMoveObserver observer, int flags);
2568
2569    /**
2570     * Creates a user with the specified name and options.
2571     *
2572     * @param name the user's name
2573     * @param flags flags that identify the type of user and other properties.
2574     * @see UserInfo
2575     *
2576     * @return the UserInfo object for the created user, or null if the user could not be created.
2577     * @hide
2578     */
2579    public abstract UserInfo createUser(String name, int flags);
2580
2581    /**
2582     * @return the list of users that were created
2583     * @hide
2584     */
2585    public abstract List<UserInfo> getUsers();
2586
2587    /**
2588     * @param id the ID of the user, where 0 is the primary user.
2589     * @hide
2590     */
2591    public abstract boolean removeUser(int id);
2592
2593    /**
2594     * Updates the user's name.
2595     *
2596     * @param id the user's id
2597     * @param name the new name for the user
2598     * @hide
2599     */
2600    public abstract void updateUserName(int id, String name);
2601
2602    /**
2603     * Changes the user's properties specified by the flags.
2604     *
2605     * @param id the user's id
2606     * @param flags the new flags for the user
2607     * @hide
2608     */
2609    public abstract void updateUserFlags(int id, int flags);
2610
2611    /**
2612     * Returns the device identity that verifiers can use to associate their
2613     * scheme to a particular device. This should not be used by anything other
2614     * than a package verifier.
2615     *
2616     * @return identity that uniquely identifies current device
2617     * @hide
2618     */
2619    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
2620
2621    /**
2622     * Returns the data directory for a particular user and package, given the uid of the package.
2623     * @param uid uid of the package, including the userId and appId
2624     * @param packageName name of the package
2625     * @return the user-specific data directory for the package
2626     * @hide
2627     */
2628    public static String getDataDirForUser(int userId, String packageName) {
2629        // TODO: This should be shared with Installer's knowledge of user directory
2630        return Environment.getDataDirectory().toString() + "/user/" + userId
2631                + "/" + packageName;
2632    }
2633}
2634