PackageManager.java revision a722772b284c8a9889e59fcb28aa0aa87c0e8b46
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.content.pm;
18
19import android.annotation.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.Intent;
24import android.content.IntentFilter;
25import android.content.IntentSender;
26import android.content.res.Resources;
27import android.content.res.XmlResourceParser;
28import android.graphics.drawable.Drawable;
29import android.net.Uri;
30import android.os.Environment;
31import android.os.UserHandle;
32import android.util.AndroidException;
33import android.util.DisplayMetrics;
34
35import java.io.File;
36import java.util.List;
37
38/**
39 * Class for retrieving various kinds of information related to the application
40 * packages that are currently installed on the device.
41 *
42 * You can find this class through {@link Context#getPackageManager}.
43 */
44public abstract class PackageManager {
45
46    /**
47     * This exception is thrown when a given package, application, or component
48     * name cannot be found.
49     */
50    public static class NameNotFoundException extends AndroidException {
51        public NameNotFoundException() {
52        }
53
54        public NameNotFoundException(String name) {
55            super(name);
56        }
57    }
58
59    /**
60     * {@link PackageInfo} flag: return information about
61     * activities in the package in {@link PackageInfo#activities}.
62     */
63    public static final int GET_ACTIVITIES              = 0x00000001;
64
65    /**
66     * {@link PackageInfo} flag: return information about
67     * intent receivers in the package in
68     * {@link PackageInfo#receivers}.
69     */
70    public static final int GET_RECEIVERS               = 0x00000002;
71
72    /**
73     * {@link PackageInfo} flag: return information about
74     * services in the package in {@link PackageInfo#services}.
75     */
76    public static final int GET_SERVICES                = 0x00000004;
77
78    /**
79     * {@link PackageInfo} flag: return information about
80     * content providers in the package in
81     * {@link PackageInfo#providers}.
82     */
83    public static final int GET_PROVIDERS               = 0x00000008;
84
85    /**
86     * {@link PackageInfo} flag: return information about
87     * instrumentation in the package in
88     * {@link PackageInfo#instrumentation}.
89     */
90    public static final int GET_INSTRUMENTATION         = 0x00000010;
91
92    /**
93     * {@link PackageInfo} flag: return information about the
94     * intent filters supported by the activity.
95     */
96    public static final int GET_INTENT_FILTERS          = 0x00000020;
97
98    /**
99     * {@link PackageInfo} flag: return information about the
100     * signatures included in the package.
101     */
102    public static final int GET_SIGNATURES          = 0x00000040;
103
104    /**
105     * {@link ResolveInfo} flag: return the IntentFilter that
106     * was matched for a particular ResolveInfo in
107     * {@link ResolveInfo#filter}.
108     */
109    public static final int GET_RESOLVED_FILTER         = 0x00000040;
110
111    /**
112     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
113     * data {@link android.os.Bundle}s that are associated with a component.
114     * This applies for any API returning a ComponentInfo subclass.
115     */
116    public static final int GET_META_DATA               = 0x00000080;
117
118    /**
119     * {@link PackageInfo} flag: return the
120     * {@link PackageInfo#gids group ids} that are associated with an
121     * application.
122     * This applies for any API returning a PackageInfo class, either
123     * directly or nested inside of another.
124     */
125    public static final int GET_GIDS                    = 0x00000100;
126
127    /**
128     * {@link PackageInfo} flag: include disabled components in the returned info.
129     */
130    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
131
132    /**
133     * {@link ApplicationInfo} flag: return the
134     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
135     * that are associated with an application.
136     * This applies for any API returning an ApplicationInfo class, either
137     * directly or nested inside of another.
138     */
139    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
140
141    /**
142     * {@link ProviderInfo} flag: return the
143     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
144     * that are associated with a content provider.
145     * This applies for any API returning a ProviderInfo class, either
146     * directly or nested inside of another.
147     */
148    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
149    /**
150     * {@link PackageInfo} flag: return information about
151     * permissions in the package in
152     * {@link PackageInfo#permissions}.
153     */
154    public static final int GET_PERMISSIONS               = 0x00001000;
155
156    /**
157     * Flag parameter to retrieve some information about all applications (even
158     * uninstalled ones) which have data directories. This state could have
159     * resulted if applications have been deleted with flag
160     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
161     * reinstalled in future.
162     * <p>
163     * Note: this flag may cause less information about currently installed
164     * applications to be returned.
165     */
166    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
167
168    /**
169     * {@link PackageInfo} flag: return information about
170     * hardware preferences in
171     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
172     * requested features in {@link PackageInfo#reqFeatures
173     * PackageInfo.reqFeatures}.
174     */
175    public static final int GET_CONFIGURATIONS = 0x00004000;
176
177    /**
178     * {@link PackageInfo} flag: include disabled components which are in
179     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
180     * in the returned info.  Note that if you set this flag, applications
181     * that are in this disabled state will be reported as enabled.
182     */
183    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
184
185    /**
186     * Resolution and querying flag: if set, only filters that support the
187     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
188     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
189     * supplied Intent.
190     */
191    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
192
193    /**
194     * Permission check result: this is returned by {@link #checkPermission}
195     * if the permission has been granted to the given package.
196     */
197    public static final int PERMISSION_GRANTED = 0;
198
199    /**
200     * Permission check result: this is returned by {@link #checkPermission}
201     * if the permission has not been granted to the given package.
202     */
203    public static final int PERMISSION_DENIED = -1;
204
205    /**
206     * Signature check result: this is returned by {@link #checkSignatures}
207     * if all signatures on the two packages match.
208     */
209    public static final int SIGNATURE_MATCH = 0;
210
211    /**
212     * Signature check result: this is returned by {@link #checkSignatures}
213     * if neither of the two packages is signed.
214     */
215    public static final int SIGNATURE_NEITHER_SIGNED = 1;
216
217    /**
218     * Signature check result: this is returned by {@link #checkSignatures}
219     * if the first package is not signed but the second is.
220     */
221    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
222
223    /**
224     * Signature check result: this is returned by {@link #checkSignatures}
225     * if the second package is not signed but the first is.
226     */
227    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
228
229    /**
230     * Signature check result: this is returned by {@link #checkSignatures}
231     * if not all signatures on both packages match.
232     */
233    public static final int SIGNATURE_NO_MATCH = -3;
234
235    /**
236     * Signature check result: this is returned by {@link #checkSignatures}
237     * if either of the packages are not valid.
238     */
239    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
240
241    /**
242     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
243     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
244     * component or application is in its default enabled state (as specified
245     * in its manifest).
246     */
247    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
248
249    /**
250     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
251     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
252     * component or application has been explictily enabled, regardless of
253     * what it has specified in its manifest.
254     */
255    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
256
257    /**
258     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
259     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
260     * component or application has been explicitly disabled, regardless of
261     * what it has specified in its manifest.
262     */
263    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
264
265    /**
266     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
267     * user has explicitly disabled the application, regardless of what it has
268     * specified in its manifest.  Because this is due to the user's request,
269     * they may re-enable it if desired through the appropriate system UI.  This
270     * option currently <strong>cannot</strong> be used with
271     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
272     */
273    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
274
275    /**
276     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
277     * application should be considered, until the point where the user actually
278     * wants to use it.  This means that it will not normally show up to the user
279     * (such as in the launcher), but various parts of the user interface can
280     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
281     * the user to select it (as for example an IME, device admin, etc).  Such code,
282     * once the user has selected the app, should at that point also make it enabled.
283     * This option currently <strong>can not</strong> be used with
284     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
285     */
286    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
287
288    /**
289     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
290     * indicate that this package should be installed as forward locked, i.e. only the app itself
291     * should have access to its code and non-resource assets.
292     * @hide
293     */
294    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
295
296    /**
297     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
298     * installed package, if one exists.
299     * @hide
300     */
301    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
302
303    /**
304     * Flag parameter for {@link #installPackage} to indicate that you want to
305     * allow test packages (those that have set android:testOnly in their
306     * manifest) to be installed.
307     * @hide
308     */
309    public static final int INSTALL_ALLOW_TEST = 0x00000004;
310
311    /**
312     * Flag parameter for {@link #installPackage} to indicate that this
313     * package has to be installed on the sdcard.
314     * @hide
315     */
316    public static final int INSTALL_EXTERNAL = 0x00000008;
317
318    /**
319     * Flag parameter for {@link #installPackage} to indicate that this package
320     * has to be installed on the sdcard.
321     * @hide
322     */
323    public static final int INSTALL_INTERNAL = 0x00000010;
324
325    /**
326     * Flag parameter for {@link #installPackage} to indicate that this install
327     * was initiated via ADB.
328     *
329     * @hide
330     */
331    public static final int INSTALL_FROM_ADB = 0x00000020;
332
333    /**
334     * Flag parameter for {@link #installPackage} to indicate that this install
335     * should immediately be visible to all users.
336     *
337     * @hide
338     */
339    public static final int INSTALL_ALL_USERS = 0x00000040;
340
341    /**
342     * Flag parameter for {@link #installPackage} to indicate that it is okay
343     * to install an update to an app where the newly installed app has a lower
344     * version code than the currently installed app.
345     *
346     * @hide
347     */
348    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
349
350    /**
351     * Flag parameter for
352     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
353     * that you don't want to kill the app containing the component.  Be careful when you set this
354     * since changing component states can make the containing application's behavior unpredictable.
355     */
356    public static final int DONT_KILL_APP = 0x00000001;
357
358    /**
359     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
360     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
361     * @hide
362     */
363    public static final int INSTALL_SUCCEEDED = 1;
364
365    /**
366     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
367     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
368     * already installed.
369     * @hide
370     */
371    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
372
373    /**
374     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
375     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
376     * file is invalid.
377     * @hide
378     */
379    public static final int INSTALL_FAILED_INVALID_APK = -2;
380
381    /**
382     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
383     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
384     * is invalid.
385     * @hide
386     */
387    public static final int INSTALL_FAILED_INVALID_URI = -3;
388
389    /**
390     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
391     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
392     * service found that the device didn't have enough storage space to install the app.
393     * @hide
394     */
395    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
396
397    /**
398     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
399     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
400     * package is already installed with the same name.
401     * @hide
402     */
403    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
404
405    /**
406     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
407     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
408     * the requested shared user does not exist.
409     * @hide
410     */
411    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
412
413    /**
414     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
415     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
416     * a previously installed package of the same name has a different signature
417     * than the new package (and the old package's data was not removed).
418     * @hide
419     */
420    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
421
422    /**
423     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
424     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
425     * the new package is requested a shared user which is already installed on the
426     * device and does not have matching signature.
427     * @hide
428     */
429    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
430
431    /**
432     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
433     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
434     * the new package uses a shared library that is not available.
435     * @hide
436     */
437    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
438
439    /**
440     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
441     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
442     * the new package uses a shared library that is not available.
443     * @hide
444     */
445    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
446
447    /**
448     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
449     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
450     * the new package failed while optimizing and validating its dex files,
451     * either because there was not enough storage or the validation failed.
452     * @hide
453     */
454    public static final int INSTALL_FAILED_DEXOPT = -11;
455
456    /**
457     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
458     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
459     * the new package failed because the current SDK version is older than
460     * that required by the package.
461     * @hide
462     */
463    public static final int INSTALL_FAILED_OLDER_SDK = -12;
464
465    /**
466     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
467     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
468     * the new package failed because it contains a content provider with the
469     * same authority as a provider already installed in the system.
470     * @hide
471     */
472    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
473
474    /**
475     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
476     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
477     * the new package failed because the current SDK version is newer than
478     * that required by the package.
479     * @hide
480     */
481    public static final int INSTALL_FAILED_NEWER_SDK = -14;
482
483    /**
484     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
485     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
486     * the new package failed because it has specified that it is a test-only
487     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
488     * flag.
489     * @hide
490     */
491    public static final int INSTALL_FAILED_TEST_ONLY = -15;
492
493    /**
494     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
495     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
496     * the package being installed contains native code, but none that is
497     * compatible with the the device's CPU_ABI.
498     * @hide
499     */
500    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
501
502    /**
503     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
504     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
505     * the new package uses a feature that is not available.
506     * @hide
507     */
508    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
509
510    // ------ Errors related to sdcard
511    /**
512     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
513     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
514     * a secure container mount point couldn't be accessed on external media.
515     * @hide
516     */
517    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
518
519    /**
520     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
521     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
522     * the new package couldn't be installed in the specified install
523     * location.
524     * @hide
525     */
526    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
527
528    /**
529     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
530     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
531     * the new package couldn't be installed in the specified install
532     * location because the media is not available.
533     * @hide
534     */
535    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
536
537    /**
538     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
539     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
540     * the new package couldn't be installed because the verification timed out.
541     * @hide
542     */
543    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
544
545    /**
546     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
547     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
548     * the new package couldn't be installed because the verification did not succeed.
549     * @hide
550     */
551    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
552
553    /**
554     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
555     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
556     * the package changed from what the calling program expected.
557     * @hide
558     */
559    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
560
561    /**
562     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
563     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
564     * the new package is assigned a different UID than it previously held.
565     * @hide
566     */
567    public static final int INSTALL_FAILED_UID_CHANGED = -24;
568
569    /**
570     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
571     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
572     * the new package has an older version code than the currently installed package.
573     * @hide
574     */
575    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
576
577    /**
578     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
579     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
580     * if the parser was given a path that is not a file, or does not end with the expected
581     * '.apk' extension.
582     * @hide
583     */
584    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
585
586    /**
587     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
588     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
589     * if the parser was unable to retrieve the AndroidManifest.xml file.
590     * @hide
591     */
592    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
593
594    /**
595     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
596     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
597     * if the parser encountered an unexpected exception.
598     * @hide
599     */
600    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
601
602    /**
603     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
604     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
605     * if the parser did not find any certificates in the .apk.
606     * @hide
607     */
608    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
609
610    /**
611     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
612     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
613     * if the parser found inconsistent certificates on the files in the .apk.
614     * @hide
615     */
616    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
617
618    /**
619     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
620     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
621     * if the parser encountered a CertificateEncodingException in one of the
622     * files in the .apk.
623     * @hide
624     */
625    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
626
627    /**
628     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
629     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
630     * if the parser encountered a bad or missing package name in the manifest.
631     * @hide
632     */
633    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
634
635    /**
636     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
637     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
638     * if the parser encountered a bad shared user id name in the manifest.
639     * @hide
640     */
641    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
642
643    /**
644     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
645     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
646     * if the parser encountered some structural problem in the manifest.
647     * @hide
648     */
649    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
650
651    /**
652     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
653     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
654     * if the parser did not find any actionable tags (instrumentation or application)
655     * in the manifest.
656     * @hide
657     */
658    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
659
660    /**
661     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
662     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
663     * if the system failed to install the package because of system issues.
664     * @hide
665     */
666    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
667
668    /**
669     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
670     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
671     * if the system failed to install the package because the user is restricted from installing
672     * apps.
673     * @hide
674     */
675    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
676
677    /**
678     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
679     * package's data directory.
680     *
681     * @hide
682     */
683    public static final int DELETE_KEEP_DATA = 0x00000001;
684
685    /**
686     * Flag parameter for {@link #deletePackage} to indicate that you want the
687     * package deleted for all users.
688     *
689     * @hide
690     */
691    public static final int DELETE_ALL_USERS = 0x00000002;
692
693    /**
694     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
695     * uninstall on a system that has been updated, then don't do the normal process
696     * of uninstalling the update and rolling back to the older system version (which
697     * needs to happen for all users); instead, just mark the app as uninstalled for
698     * the current user.
699     *
700     * @hide
701     */
702    public static final int DELETE_SYSTEM_APP = 0x00000004;
703
704    /**
705     * Return code for when package deletion succeeds. This is passed to the
706     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
707     * succeeded in deleting the package.
708     *
709     * @hide
710     */
711    public static final int DELETE_SUCCEEDED = 1;
712
713    /**
714     * Deletion failed return code: this is passed to the
715     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
716     * failed to delete the package for an unspecified reason.
717     *
718     * @hide
719     */
720    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
721
722    /**
723     * Deletion failed return code: this is passed to the
724     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
725     * failed to delete the package because it is the active DevicePolicy
726     * manager.
727     *
728     * @hide
729     */
730    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
731
732    /**
733     * Deletion failed return code: this is passed to the
734     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
735     * failed to delete the package since the user is restricted.
736     *
737     * @hide
738     */
739    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
740
741    /**
742     * Return code that is passed to the {@link IPackageMoveObserver} by
743     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
744     * package has been successfully moved by the system.
745     *
746     * @hide
747     */
748    public static final int MOVE_SUCCEEDED = 1;
749    /**
750     * Error code that is passed to the {@link IPackageMoveObserver} by
751     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
752     * when the package hasn't been successfully moved by the system
753     * because of insufficient memory on specified media.
754     * @hide
755     */
756    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
757
758    /**
759     * Error code that is passed to the {@link IPackageMoveObserver} by
760     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
761     * if the specified package doesn't exist.
762     * @hide
763     */
764    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
765
766    /**
767     * Error code that is passed to the {@link IPackageMoveObserver} by
768     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
769     * if the specified package cannot be moved since its a system package.
770     * @hide
771     */
772    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
773
774    /**
775     * Error code that is passed to the {@link IPackageMoveObserver} by
776     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
777     * if the specified package cannot be moved since its forward locked.
778     * @hide
779     */
780    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
781
782    /**
783     * Error code that is passed to the {@link IPackageMoveObserver} by
784     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
785     * if the specified package cannot be moved to the specified location.
786     * @hide
787     */
788    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
789
790    /**
791     * Error code that is passed to the {@link IPackageMoveObserver} by
792     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
793     * if the specified package cannot be moved to the specified location.
794     * @hide
795     */
796    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
797
798    /**
799     * Error code that is passed to the {@link IPackageMoveObserver} by
800     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
801     * specified package already has an operation pending in the
802     * {@link PackageHandler} queue.
803     *
804     * @hide
805     */
806    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
807
808    /**
809     * Flag parameter for {@link #movePackage} to indicate that
810     * the package should be moved to internal storage if its
811     * been installed on external media.
812     * @hide
813     */
814    public static final int MOVE_INTERNAL = 0x00000001;
815
816    /**
817     * Flag parameter for {@link #movePackage} to indicate that
818     * the package should be moved to external media.
819     * @hide
820     */
821    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
822
823    /**
824     * Usable by the required verifier as the {@code verificationCode} argument
825     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
826     * allow the installation to proceed without any of the optional verifiers
827     * needing to vote.
828     *
829     * @hide
830     */
831    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
832
833    /**
834     * Used as the {@code verificationCode} argument for
835     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
836     * package verifier allows the installation to proceed.
837     */
838    public static final int VERIFICATION_ALLOW = 1;
839
840    /**
841     * Used as the {@code verificationCode} argument for
842     * {@link PackageManager#verifyPendingInstall} to indicate the calling
843     * package verifier does not vote to allow the installation to proceed.
844     */
845    public static final int VERIFICATION_REJECT = -1;
846
847    /**
848     * Can be used as the {@code millisecondsToDelay} argument for
849     * {@link PackageManager#extendVerificationTimeout}. This is the
850     * maximum time {@code PackageManager} waits for the verification
851     * agent to return (in milliseconds).
852     */
853    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
854
855    /**
856     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
857     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
858     * lag in sound input or output.
859     */
860    @SdkConstant(SdkConstantType.FEATURE)
861    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
862
863    /**
864     * Feature for {@link #getSystemAvailableFeatures} and
865     * {@link #hasSystemFeature}: The device is capable of communicating with
866     * other devices via Bluetooth.
867     */
868    @SdkConstant(SdkConstantType.FEATURE)
869    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
870
871    /**
872     * Feature for {@link #getSystemAvailableFeatures} and
873     * {@link #hasSystemFeature}: The device is capable of communicating with
874     * other devices via Bluetooth Low Energy radio.
875     */
876    @SdkConstant(SdkConstantType.FEATURE)
877    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
878
879    /**
880     * Feature for {@link #getSystemAvailableFeatures} and
881     * {@link #hasSystemFeature}: The device has a camera facing away
882     * from the screen.
883     */
884    @SdkConstant(SdkConstantType.FEATURE)
885    public static final String FEATURE_CAMERA = "android.hardware.camera";
886
887    /**
888     * Feature for {@link #getSystemAvailableFeatures} and
889     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
890     */
891    @SdkConstant(SdkConstantType.FEATURE)
892    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
893
894    /**
895     * Feature for {@link #getSystemAvailableFeatures} and
896     * {@link #hasSystemFeature}: The device has at least one camera pointing in
897     * some direction.
898     */
899    @SdkConstant(SdkConstantType.FEATURE)
900    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
901
902    /**
903     * Feature for {@link #getSystemAvailableFeatures} and
904     * {@link #hasSystemFeature}: The device's camera supports flash.
905     */
906    @SdkConstant(SdkConstantType.FEATURE)
907    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
908
909    /**
910     * Feature for {@link #getSystemAvailableFeatures} and
911     * {@link #hasSystemFeature}: The device has a front facing camera.
912     */
913    @SdkConstant(SdkConstantType.FEATURE)
914    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
915
916    /**
917     * Feature for {@link #getSystemAvailableFeatures} and
918     * {@link #hasSystemFeature}: The device supports one or more methods of
919     * reporting current location.
920     */
921    @SdkConstant(SdkConstantType.FEATURE)
922    public static final String FEATURE_LOCATION = "android.hardware.location";
923
924    /**
925     * Feature for {@link #getSystemAvailableFeatures} and
926     * {@link #hasSystemFeature}: The device has a Global Positioning System
927     * receiver and can report precise location.
928     */
929    @SdkConstant(SdkConstantType.FEATURE)
930    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
931
932    /**
933     * Feature for {@link #getSystemAvailableFeatures} and
934     * {@link #hasSystemFeature}: The device can report location with coarse
935     * accuracy using a network-based geolocation system.
936     */
937    @SdkConstant(SdkConstantType.FEATURE)
938    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
939
940    /**
941     * Feature for {@link #getSystemAvailableFeatures} and
942     * {@link #hasSystemFeature}: The device can record audio via a
943     * microphone.
944     */
945    @SdkConstant(SdkConstantType.FEATURE)
946    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
947
948    /**
949     * Feature for {@link #getSystemAvailableFeatures} and
950     * {@link #hasSystemFeature}: The device can communicate using Near-Field
951     * Communications (NFC).
952     */
953    @SdkConstant(SdkConstantType.FEATURE)
954    public static final String FEATURE_NFC = "android.hardware.nfc";
955
956    /**
957     * Feature for {@link #getSystemAvailableFeatures} and
958     * {@link #hasSystemFeature}: The device includes an accelerometer.
959     */
960    @SdkConstant(SdkConstantType.FEATURE)
961    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
962
963    /**
964     * Feature for {@link #getSystemAvailableFeatures} and
965     * {@link #hasSystemFeature}: The device includes a barometer (air
966     * pressure sensor.)
967     */
968    @SdkConstant(SdkConstantType.FEATURE)
969    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
970
971    /**
972     * Feature for {@link #getSystemAvailableFeatures} and
973     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
974     */
975    @SdkConstant(SdkConstantType.FEATURE)
976    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
977
978    /**
979     * Feature for {@link #getSystemAvailableFeatures} and
980     * {@link #hasSystemFeature}: The device includes a gyroscope.
981     */
982    @SdkConstant(SdkConstantType.FEATURE)
983    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
984
985    /**
986     * Feature for {@link #getSystemAvailableFeatures} and
987     * {@link #hasSystemFeature}: The device includes a light sensor.
988     */
989    @SdkConstant(SdkConstantType.FEATURE)
990    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
991
992    /**
993     * Feature for {@link #getSystemAvailableFeatures} and
994     * {@link #hasSystemFeature}: The device includes a proximity sensor.
995     */
996    @SdkConstant(SdkConstantType.FEATURE)
997    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
998
999    /**
1000     * Feature for {@link #getSystemAvailableFeatures} and
1001     * {@link #hasSystemFeature}: The device has a telephony radio with data
1002     * communication support.
1003     */
1004    @SdkConstant(SdkConstantType.FEATURE)
1005    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1006
1007    /**
1008     * Feature for {@link #getSystemAvailableFeatures} and
1009     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1010     */
1011    @SdkConstant(SdkConstantType.FEATURE)
1012    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1013
1014    /**
1015     * Feature for {@link #getSystemAvailableFeatures} and
1016     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1017     */
1018    @SdkConstant(SdkConstantType.FEATURE)
1019    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1020
1021    /**
1022     * Feature for {@link #getSystemAvailableFeatures} and
1023     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1024     * as the USB host.
1025     */
1026    @SdkConstant(SdkConstantType.FEATURE)
1027    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1028
1029    /**
1030     * Feature for {@link #getSystemAvailableFeatures} and
1031     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1032     */
1033    @SdkConstant(SdkConstantType.FEATURE)
1034    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1035
1036    /**
1037     * Feature for {@link #getSystemAvailableFeatures} and
1038     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1039     */
1040    @SdkConstant(SdkConstantType.FEATURE)
1041    public static final String FEATURE_SIP = "android.software.sip";
1042
1043    /**
1044     * Feature for {@link #getSystemAvailableFeatures} and
1045     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1046     */
1047    @SdkConstant(SdkConstantType.FEATURE)
1048    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1049
1050    /**
1051     * Feature for {@link #getSystemAvailableFeatures} and
1052     * {@link #hasSystemFeature}: The device's display has a touch screen.
1053     */
1054    @SdkConstant(SdkConstantType.FEATURE)
1055    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1056
1057
1058    /**
1059     * Feature for {@link #getSystemAvailableFeatures} and
1060     * {@link #hasSystemFeature}: The device's touch screen supports
1061     * multitouch sufficient for basic two-finger gesture detection.
1062     */
1063    @SdkConstant(SdkConstantType.FEATURE)
1064    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1065
1066    /**
1067     * Feature for {@link #getSystemAvailableFeatures} and
1068     * {@link #hasSystemFeature}: The device's touch screen is capable of
1069     * tracking two or more fingers fully independently.
1070     */
1071    @SdkConstant(SdkConstantType.FEATURE)
1072    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1073
1074    /**
1075     * Feature for {@link #getSystemAvailableFeatures} and
1076     * {@link #hasSystemFeature}: The device's touch screen is capable of
1077     * tracking a full hand of fingers fully independently -- that is, 5 or
1078     * more simultaneous independent pointers.
1079     */
1080    @SdkConstant(SdkConstantType.FEATURE)
1081    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1082
1083    /**
1084     * Feature for {@link #getSystemAvailableFeatures} and
1085     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1086     * does support touch emulation for basic events. For instance, the
1087     * device might use a mouse or remote control to drive a cursor, and
1088     * emulate basic touch pointer events like down, up, drag, etc. All
1089     * devices that support android.hardware.touchscreen or a sub-feature are
1090     * presumed to also support faketouch.
1091     */
1092    @SdkConstant(SdkConstantType.FEATURE)
1093    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1094
1095    /**
1096     * Feature for {@link #getSystemAvailableFeatures} and
1097     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1098     * does support touch emulation for basic events that supports distinct
1099     * tracking of two or more fingers.  This is an extension of
1100     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1101     * that unlike a distinct multitouch screen as defined by
1102     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1103     * devices will not actually provide full two-finger gestures since the
1104     * input is being transformed to cursor movement on the screen.  That is,
1105     * single finger gestures will move a cursor; two-finger swipes will
1106     * result in single-finger touch events; other two-finger gestures will
1107     * result in the corresponding two-finger touch event.
1108     */
1109    @SdkConstant(SdkConstantType.FEATURE)
1110    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1111
1112    /**
1113     * Feature for {@link #getSystemAvailableFeatures} and
1114     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1115     * does support touch emulation for basic events that supports tracking
1116     * a hand of fingers (5 or more fingers) fully independently.
1117     * This is an extension of
1118     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1119     * that unlike a multitouch screen as defined by
1120     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1121     * gestures can be detected due to the limitations described for
1122     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1123     */
1124    @SdkConstant(SdkConstantType.FEATURE)
1125    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1126
1127    /**
1128     * Feature for {@link #getSystemAvailableFeatures} and
1129     * {@link #hasSystemFeature}: The device supports portrait orientation
1130     * screens.  For backwards compatibility, you can assume that if neither
1131     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1132     * both portrait and landscape.
1133     */
1134    @SdkConstant(SdkConstantType.FEATURE)
1135    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1136
1137    /**
1138     * Feature for {@link #getSystemAvailableFeatures} and
1139     * {@link #hasSystemFeature}: The device supports landscape orientation
1140     * screens.  For backwards compatibility, you can assume that if neither
1141     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1142     * both portrait and landscape.
1143     */
1144    @SdkConstant(SdkConstantType.FEATURE)
1145    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1146
1147    /**
1148     * Feature for {@link #getSystemAvailableFeatures} and
1149     * {@link #hasSystemFeature}: The device supports live wallpapers.
1150     */
1151    @SdkConstant(SdkConstantType.FEATURE)
1152    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1153
1154    /**
1155     * Feature for {@link #getSystemAvailableFeatures} and
1156     * {@link #hasSystemFeature}: The device supports app widgets.
1157     */
1158    @SdkConstant(SdkConstantType.FEATURE)
1159    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1160
1161    /**
1162     * Feature for {@link #getSystemAvailableFeatures} and
1163     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1164     * by third party applications.
1165     */
1166    @SdkConstant(SdkConstantType.FEATURE)
1167    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1168
1169    /**
1170     * Feature for {@link #getSystemAvailableFeatures} and
1171     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1172     * with the {@link android.inputmethodservice.InputMethodService} API.
1173     */
1174    @SdkConstant(SdkConstantType.FEATURE)
1175    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1176
1177    /**
1178     * Feature for {@link #getSystemAvailableFeatures} and
1179     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1180     */
1181    @SdkConstant(SdkConstantType.FEATURE)
1182    public static final String FEATURE_WIFI = "android.hardware.wifi";
1183
1184    /**
1185     * Feature for {@link #getSystemAvailableFeatures} and
1186     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1187     */
1188    @SdkConstant(SdkConstantType.FEATURE)
1189    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1190
1191    /**
1192     * Feature for {@link #getSystemAvailableFeatures} and
1193     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1194     * on a television.  Television here is defined to be a typical living
1195     * room television experience: displayed on a big screen, where the user
1196     * is sitting far away from it, and the dominant form of input will be
1197     * something like a DPAD, not through touch or mouse.
1198     */
1199    @SdkConstant(SdkConstantType.FEATURE)
1200    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1201
1202    /**
1203     * Action to external storage service to clean out removed apps.
1204     * @hide
1205     */
1206    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1207            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1208
1209    /**
1210     * Extra field name for the URI to a verification file. Passed to a package
1211     * verifier.
1212     *
1213     * @hide
1214     */
1215    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1216
1217    /**
1218     * Extra field name for the ID of a package pending verification. Passed to
1219     * a package verifier and is used to call back to
1220     * {@link PackageManager#verifyPendingInstall(int, int)}
1221     */
1222    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1223
1224    /**
1225     * Extra field name for the package identifier which is trying to install
1226     * the package.
1227     *
1228     * @hide
1229     */
1230    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1231            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1232
1233    /**
1234     * Extra field name for the requested install flags for a package pending
1235     * verification. Passed to a package verifier.
1236     *
1237     * @hide
1238     */
1239    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1240            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1241
1242    /**
1243     * Extra field name for the uid of who is requesting to install
1244     * the package.
1245     *
1246     * @hide
1247     */
1248    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1249            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1250
1251    /**
1252     * Extra field name for the package name of a package pending verification.
1253     *
1254     * @hide
1255     */
1256    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1257            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1258    /**
1259     * Extra field name for the result of a verification, either
1260     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1261     * Passed to package verifiers after a package is verified.
1262     */
1263    public static final String EXTRA_VERIFICATION_RESULT
1264            = "android.content.pm.extra.VERIFICATION_RESULT";
1265
1266    /**
1267     * Extra field name for the version code of a package pending verification.
1268     *
1269     * @hide
1270     */
1271    public static final String EXTRA_VERIFICATION_VERSION_CODE
1272            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1273
1274    /**
1275     * The action used to request that the user approve a permission request
1276     * from the application.
1277     *
1278     * @hide
1279     */
1280    public static final String ACTION_REQUEST_PERMISSION
1281            = "android.content.pm.action.REQUEST_PERMISSION";
1282
1283    /**
1284     * Extra field name for the list of permissions, which the user must approve.
1285     *
1286     * @hide
1287     */
1288    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1289            = "android.content.pm.extra.PERMISSION_LIST";
1290
1291    /**
1292     * Retrieve overall information about an application package that is
1293     * installed on the system.
1294     * <p>
1295     * Throws {@link NameNotFoundException} if a package with the given name can
1296     * not be found on the system.
1297     *
1298     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1299     *            desired package.
1300     * @param flags Additional option flags. Use any combination of
1301     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1302     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1303     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1304     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1305     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1306     *            modify the data returned.
1307     * @return Returns a PackageInfo object containing information about the
1308     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1309     *         package is not found in the list of installed applications, the
1310     *         package information is retrieved from the list of uninstalled
1311     *         applications (which includes installed applications as well as
1312     *         applications with data directory i.e. applications which had been
1313     *         deleted with {@code DONT_DELETE_DATA} flag set).
1314     * @see #GET_ACTIVITIES
1315     * @see #GET_GIDS
1316     * @see #GET_CONFIGURATIONS
1317     * @see #GET_INSTRUMENTATION
1318     * @see #GET_PERMISSIONS
1319     * @see #GET_PROVIDERS
1320     * @see #GET_RECEIVERS
1321     * @see #GET_SERVICES
1322     * @see #GET_SIGNATURES
1323     * @see #GET_UNINSTALLED_PACKAGES
1324     */
1325    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1326            throws NameNotFoundException;
1327
1328    /**
1329     * Map from the current package names in use on the device to whatever
1330     * the current canonical name of that package is.
1331     * @param names Array of current names to be mapped.
1332     * @return Returns an array of the same size as the original, containing
1333     * the canonical name for each package.
1334     */
1335    public abstract String[] currentToCanonicalPackageNames(String[] names);
1336
1337    /**
1338     * Map from a packages canonical name to the current name in use on the device.
1339     * @param names Array of new names to be mapped.
1340     * @return Returns an array of the same size as the original, containing
1341     * the current name for each package.
1342     */
1343    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1344
1345    /**
1346     * Return a "good" intent to launch a front-door activity in a package,
1347     * for use for example to implement an "open" button when browsing through
1348     * packages.  The current implementation will look first for a main
1349     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1350     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1351     * null if neither are found.
1352     *
1353     * <p>Throws {@link NameNotFoundException} if a package with the given
1354     * name cannot be found on the system.
1355     *
1356     * @param packageName The name of the package to inspect.
1357     *
1358     * @return Returns either a fully-qualified Intent that can be used to
1359     * launch the main activity in the package, or null if the package does
1360     * not contain such an activity.
1361     */
1362    public abstract Intent getLaunchIntentForPackage(String packageName);
1363
1364    /**
1365     * Return an array of all of the secondary group-ids that have been
1366     * assigned to a package.
1367     *
1368     * <p>Throws {@link NameNotFoundException} if a package with the given
1369     * name cannot be found on the system.
1370     *
1371     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1372     *                    desired package.
1373     *
1374     * @return Returns an int array of the assigned gids, or null if there
1375     * are none.
1376     */
1377    public abstract int[] getPackageGids(String packageName)
1378            throws NameNotFoundException;
1379
1380    /**
1381     * @hide Return the uid associated with the given package name for the
1382     * given user.
1383     *
1384     * <p>Throws {@link NameNotFoundException} if a package with the given
1385     * name can not be found on the system.
1386     *
1387     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1388     *                    desired package.
1389     * @param userHandle The user handle identifier to look up the package under.
1390     *
1391     * @return Returns an integer uid who owns the given package name.
1392     */
1393    public abstract int getPackageUid(String packageName, int userHandle)
1394            throws NameNotFoundException;
1395
1396    /**
1397     * Retrieve all of the information we know about a particular permission.
1398     *
1399     * <p>Throws {@link NameNotFoundException} if a permission with the given
1400     * name cannot be found on the system.
1401     *
1402     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1403     *             of the permission you are interested in.
1404     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1405     * retrieve any meta-data associated with the permission.
1406     *
1407     * @return Returns a {@link PermissionInfo} containing information about the
1408     *         permission.
1409     */
1410    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1411            throws NameNotFoundException;
1412
1413    /**
1414     * Query for all of the permissions associated with a particular group.
1415     *
1416     * <p>Throws {@link NameNotFoundException} if the given group does not
1417     * exist.
1418     *
1419     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1420     *             of the permission group you are interested in.  Use null to
1421     *             find all of the permissions not associated with a group.
1422     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1423     * retrieve any meta-data associated with the permissions.
1424     *
1425     * @return Returns a list of {@link PermissionInfo} containing information
1426     * about all of the permissions in the given group.
1427     */
1428    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1429            int flags) throws NameNotFoundException;
1430
1431    /**
1432     * Retrieve all of the information we know about a particular group of
1433     * permissions.
1434     *
1435     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1436     * name cannot be found on the system.
1437     *
1438     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1439     *             of the permission you are interested in.
1440     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1441     * retrieve any meta-data associated with the permission group.
1442     *
1443     * @return Returns a {@link PermissionGroupInfo} containing information
1444     * about the permission.
1445     */
1446    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1447            int flags) throws NameNotFoundException;
1448
1449    /**
1450     * Retrieve all of the known permission groups in the system.
1451     *
1452     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1453     * retrieve any meta-data associated with the permission group.
1454     *
1455     * @return Returns a list of {@link PermissionGroupInfo} containing
1456     * information about all of the known permission groups.
1457     */
1458    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1459
1460    /**
1461     * Retrieve all of the information we know about a particular
1462     * package/application.
1463     *
1464     * <p>Throws {@link NameNotFoundException} if an application with the given
1465     * package name cannot be found on the system.
1466     *
1467     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1468     *                    application.
1469     * @param flags Additional option flags. Use any combination of
1470     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1471     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1472     *
1473     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1474     *         information about the package.
1475     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1476     *         found in the list of installed applications,
1477     *         the application information is retrieved from the
1478     *         list of uninstalled applications(which includes
1479     *         installed applications as well as applications
1480     *         with data directory ie applications which had been
1481     *         deleted with {@code DONT_DELETE_DATA} flag set).
1482     *
1483     * @see #GET_META_DATA
1484     * @see #GET_SHARED_LIBRARY_FILES
1485     * @see #GET_UNINSTALLED_PACKAGES
1486     */
1487    public abstract ApplicationInfo getApplicationInfo(String packageName,
1488            int flags) throws NameNotFoundException;
1489
1490    /**
1491     * Retrieve all of the information we know about a particular activity
1492     * class.
1493     *
1494     * <p>Throws {@link NameNotFoundException} if an activity with the given
1495     * class name cannot be found on the system.
1496     *
1497     * @param component The full component name (i.e.
1498     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1499     * class.
1500     * @param flags Additional option flags. Use any combination of
1501     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1502     * to modify the data (in ApplicationInfo) returned.
1503     *
1504     * @return {@link ActivityInfo} containing information about the activity.
1505     *
1506     * @see #GET_INTENT_FILTERS
1507     * @see #GET_META_DATA
1508     * @see #GET_SHARED_LIBRARY_FILES
1509     */
1510    public abstract ActivityInfo getActivityInfo(ComponentName component,
1511            int flags) throws NameNotFoundException;
1512
1513    /**
1514     * Retrieve all of the information we know about a particular receiver
1515     * class.
1516     *
1517     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1518     * class name cannot be found on the system.
1519     *
1520     * @param component The full component name (i.e.
1521     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1522     * class.
1523     * @param flags Additional option flags.  Use any combination of
1524     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1525     * to modify the data returned.
1526     *
1527     * @return {@link ActivityInfo} containing information about the receiver.
1528     *
1529     * @see #GET_INTENT_FILTERS
1530     * @see #GET_META_DATA
1531     * @see #GET_SHARED_LIBRARY_FILES
1532     */
1533    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1534            int flags) throws NameNotFoundException;
1535
1536    /**
1537     * Retrieve all of the information we know about a particular service
1538     * class.
1539     *
1540     * <p>Throws {@link NameNotFoundException} if a service with the given
1541     * class name cannot be found on the system.
1542     *
1543     * @param component The full component name (i.e.
1544     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1545     * class.
1546     * @param flags Additional option flags.  Use any combination of
1547     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1548     * to modify the data returned.
1549     *
1550     * @return ServiceInfo containing information about the service.
1551     *
1552     * @see #GET_META_DATA
1553     * @see #GET_SHARED_LIBRARY_FILES
1554     */
1555    public abstract ServiceInfo getServiceInfo(ComponentName component,
1556            int flags) throws NameNotFoundException;
1557
1558    /**
1559     * Retrieve all of the information we know about a particular content
1560     * provider class.
1561     *
1562     * <p>Throws {@link NameNotFoundException} if a provider with the given
1563     * class name cannot be found on the system.
1564     *
1565     * @param component The full component name (i.e.
1566     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1567     * ContentProvider class.
1568     * @param flags Additional option flags.  Use any combination of
1569     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1570     * to modify the data returned.
1571     *
1572     * @return ProviderInfo containing information about the service.
1573     *
1574     * @see #GET_META_DATA
1575     * @see #GET_SHARED_LIBRARY_FILES
1576     */
1577    public abstract ProviderInfo getProviderInfo(ComponentName component,
1578            int flags) throws NameNotFoundException;
1579
1580    /**
1581     * Return a List of all packages that are installed
1582     * on the device.
1583     *
1584     * @param flags Additional option flags. Use any combination of
1585     * {@link #GET_ACTIVITIES},
1586     * {@link #GET_GIDS},
1587     * {@link #GET_CONFIGURATIONS},
1588     * {@link #GET_INSTRUMENTATION},
1589     * {@link #GET_PERMISSIONS},
1590     * {@link #GET_PROVIDERS},
1591     * {@link #GET_RECEIVERS},
1592     * {@link #GET_SERVICES},
1593     * {@link #GET_SIGNATURES},
1594     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1595     *
1596     * @return A List of PackageInfo objects, one for each package that is
1597     *         installed on the device.  In the unlikely case of there being no
1598     *         installed packages, an empty list is returned.
1599     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1600     *         applications including those deleted with {@code DONT_DELETE_DATA}
1601     *         (partially installed apps with data directory) will be returned.
1602     *
1603     * @see #GET_ACTIVITIES
1604     * @see #GET_GIDS
1605     * @see #GET_CONFIGURATIONS
1606     * @see #GET_INSTRUMENTATION
1607     * @see #GET_PERMISSIONS
1608     * @see #GET_PROVIDERS
1609     * @see #GET_RECEIVERS
1610     * @see #GET_SERVICES
1611     * @see #GET_SIGNATURES
1612     * @see #GET_UNINSTALLED_PACKAGES
1613     */
1614    public abstract List<PackageInfo> getInstalledPackages(int flags);
1615
1616    /**
1617     * Return a List of all installed packages that are currently
1618     * holding any of the given permissions.
1619     *
1620     * @param flags Additional option flags. Use any combination of
1621     * {@link #GET_ACTIVITIES},
1622     * {@link #GET_GIDS},
1623     * {@link #GET_CONFIGURATIONS},
1624     * {@link #GET_INSTRUMENTATION},
1625     * {@link #GET_PERMISSIONS},
1626     * {@link #GET_PROVIDERS},
1627     * {@link #GET_RECEIVERS},
1628     * {@link #GET_SERVICES},
1629     * {@link #GET_SIGNATURES},
1630     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1631     *
1632     * @return Returns a List of PackageInfo objects, one for each installed
1633     * application that is holding any of the permissions that were provided.
1634     *
1635     * @see #GET_ACTIVITIES
1636     * @see #GET_GIDS
1637     * @see #GET_CONFIGURATIONS
1638     * @see #GET_INSTRUMENTATION
1639     * @see #GET_PERMISSIONS
1640     * @see #GET_PROVIDERS
1641     * @see #GET_RECEIVERS
1642     * @see #GET_SERVICES
1643     * @see #GET_SIGNATURES
1644     * @see #GET_UNINSTALLED_PACKAGES
1645     */
1646    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1647            String[] permissions, int flags);
1648
1649    /**
1650     * Return a List of all packages that are installed on the device, for a specific user.
1651     * Requesting a list of installed packages for another user
1652     * will require the permission INTERACT_ACROSS_USERS_FULL.
1653     * @param flags Additional option flags. Use any combination of
1654     * {@link #GET_ACTIVITIES},
1655     * {@link #GET_GIDS},
1656     * {@link #GET_CONFIGURATIONS},
1657     * {@link #GET_INSTRUMENTATION},
1658     * {@link #GET_PERMISSIONS},
1659     * {@link #GET_PROVIDERS},
1660     * {@link #GET_RECEIVERS},
1661     * {@link #GET_SERVICES},
1662     * {@link #GET_SIGNATURES},
1663     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1664     * @param userId The user for whom the installed packages are to be listed
1665     *
1666     * @return A List of PackageInfo objects, one for each package that is
1667     *         installed on the device.  In the unlikely case of there being no
1668     *         installed packages, an empty list is returned.
1669     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1670     *         applications including those deleted with {@code DONT_DELETE_DATA}
1671     *         (partially installed apps with data directory) will be returned.
1672     *
1673     * @see #GET_ACTIVITIES
1674     * @see #GET_GIDS
1675     * @see #GET_CONFIGURATIONS
1676     * @see #GET_INSTRUMENTATION
1677     * @see #GET_PERMISSIONS
1678     * @see #GET_PROVIDERS
1679     * @see #GET_RECEIVERS
1680     * @see #GET_SERVICES
1681     * @see #GET_SIGNATURES
1682     * @see #GET_UNINSTALLED_PACKAGES
1683     *
1684     * @hide
1685     */
1686    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1687
1688    /**
1689     * Check whether a particular package has been granted a particular
1690     * permission.
1691     *
1692     * @param permName The name of the permission you are checking for,
1693     * @param pkgName The name of the package you are checking against.
1694     *
1695     * @return If the package has the permission, PERMISSION_GRANTED is
1696     * returned.  If it does not have the permission, PERMISSION_DENIED
1697     * is returned.
1698     *
1699     * @see #PERMISSION_GRANTED
1700     * @see #PERMISSION_DENIED
1701     */
1702    public abstract int checkPermission(String permName, String pkgName);
1703
1704    /**
1705     * Add a new dynamic permission to the system.  For this to work, your
1706     * package must have defined a permission tree through the
1707     * {@link android.R.styleable#AndroidManifestPermissionTree
1708     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1709     * permissions to trees that were defined by either its own package or
1710     * another with the same user id; a permission is in a tree if it
1711     * matches the name of the permission tree + ".": for example,
1712     * "com.foo.bar" is a member of the permission tree "com.foo".
1713     *
1714     * <p>It is good to make your permission tree name descriptive, because you
1715     * are taking possession of that entire set of permission names.  Thus, it
1716     * must be under a domain you control, with a suffix that will not match
1717     * any normal permissions that may be declared in any applications that
1718     * are part of that domain.
1719     *
1720     * <p>New permissions must be added before
1721     * any .apks are installed that use those permissions.  Permissions you
1722     * add through this method are remembered across reboots of the device.
1723     * If the given permission already exists, the info you supply here
1724     * will be used to update it.
1725     *
1726     * @param info Description of the permission to be added.
1727     *
1728     * @return Returns true if a new permission was created, false if an
1729     * existing one was updated.
1730     *
1731     * @throws SecurityException if you are not allowed to add the
1732     * given permission name.
1733     *
1734     * @see #removePermission(String)
1735     */
1736    public abstract boolean addPermission(PermissionInfo info);
1737
1738    /**
1739     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1740     * persists the package manager state after returning from the call,
1741     * allowing it to return quicker and batch a series of adds at the
1742     * expense of no guarantee the added permission will be retained if
1743     * the device is rebooted before it is written.
1744     */
1745    public abstract boolean addPermissionAsync(PermissionInfo info);
1746
1747    /**
1748     * Removes a permission that was previously added with
1749     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1750     * -- you are only allowed to remove permissions that you are allowed
1751     * to add.
1752     *
1753     * @param name The name of the permission to remove.
1754     *
1755     * @throws SecurityException if you are not allowed to remove the
1756     * given permission name.
1757     *
1758     * @see #addPermission(PermissionInfo)
1759     */
1760    public abstract void removePermission(String name);
1761
1762    /**
1763     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1764     * which prompts the user to grant {@code permissions} to this application.
1765     * @hide
1766     *
1767     * @throws NullPointerException if {@code permissions} is {@code null}.
1768     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1769     */
1770    public Intent buildPermissionRequestIntent(String... permissions) {
1771        if (permissions == null) {
1772            throw new NullPointerException("permissions cannot be null");
1773        }
1774        for (String permission : permissions) {
1775            if (permission == null) {
1776                throw new IllegalArgumentException("permissions cannot contain null");
1777            }
1778        }
1779
1780        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1781        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1782        i.setPackage("com.android.packageinstaller");
1783        return i;
1784    }
1785
1786    /**
1787     * Grant a permission to an application which the application does not
1788     * already have.  The permission must have been requested by the application,
1789     * but as an optional permission.  If the application is not allowed to
1790     * hold the permission, a SecurityException is thrown.
1791     * @hide
1792     *
1793     * @param packageName The name of the package that the permission will be
1794     * granted to.
1795     * @param permissionName The name of the permission.
1796     */
1797    public abstract void grantPermission(String packageName, String permissionName);
1798
1799    /**
1800     * Revoke a permission that was previously granted by {@link #grantPermission}.
1801     * @hide
1802     *
1803     * @param packageName The name of the package that the permission will be
1804     * granted to.
1805     * @param permissionName The name of the permission.
1806     */
1807    public abstract void revokePermission(String packageName, String permissionName);
1808
1809    /**
1810     * Compare the signatures of two packages to determine if the same
1811     * signature appears in both of them.  If they do contain the same
1812     * signature, then they are allowed special privileges when working
1813     * with each other: they can share the same user-id, run instrumentation
1814     * against each other, etc.
1815     *
1816     * @param pkg1 First package name whose signature will be compared.
1817     * @param pkg2 Second package name whose signature will be compared.
1818     *
1819     * @return Returns an integer indicating whether all signatures on the
1820     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1821     * all signatures match or < 0 if there is not a match ({@link
1822     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1823     *
1824     * @see #checkSignatures(int, int)
1825     * @see #SIGNATURE_MATCH
1826     * @see #SIGNATURE_NO_MATCH
1827     * @see #SIGNATURE_UNKNOWN_PACKAGE
1828     */
1829    public abstract int checkSignatures(String pkg1, String pkg2);
1830
1831    /**
1832     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1833     * the two packages to be checked.  This can be useful, for example,
1834     * when doing the check in an IPC, where the UID is the only identity
1835     * available.  It is functionally identical to determining the package
1836     * associated with the UIDs and checking their signatures.
1837     *
1838     * @param uid1 First UID whose signature will be compared.
1839     * @param uid2 Second UID whose signature will be compared.
1840     *
1841     * @return Returns an integer indicating whether all signatures on the
1842     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1843     * all signatures match or < 0 if there is not a match ({@link
1844     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1845     *
1846     * @see #checkSignatures(String, String)
1847     * @see #SIGNATURE_MATCH
1848     * @see #SIGNATURE_NO_MATCH
1849     * @see #SIGNATURE_UNKNOWN_PACKAGE
1850     */
1851    public abstract int checkSignatures(int uid1, int uid2);
1852
1853    /**
1854     * Retrieve the names of all packages that are associated with a particular
1855     * user id.  In most cases, this will be a single package name, the package
1856     * that has been assigned that user id.  Where there are multiple packages
1857     * sharing the same user id through the "sharedUserId" mechanism, all
1858     * packages with that id will be returned.
1859     *
1860     * @param uid The user id for which you would like to retrieve the
1861     * associated packages.
1862     *
1863     * @return Returns an array of one or more packages assigned to the user
1864     * id, or null if there are no known packages with the given id.
1865     */
1866    public abstract String[] getPackagesForUid(int uid);
1867
1868    /**
1869     * Retrieve the official name associated with a user id.  This name is
1870     * guaranteed to never change, though it is possibly for the underlying
1871     * user id to be changed.  That is, if you are storing information about
1872     * user ids in persistent storage, you should use the string returned
1873     * by this function instead of the raw user-id.
1874     *
1875     * @param uid The user id for which you would like to retrieve a name.
1876     * @return Returns a unique name for the given user id, or null if the
1877     * user id is not currently assigned.
1878     */
1879    public abstract String getNameForUid(int uid);
1880
1881    /**
1882     * Return the user id associated with a shared user name. Multiple
1883     * applications can specify a shared user name in their manifest and thus
1884     * end up using a common uid. This might be used for new applications
1885     * that use an existing shared user name and need to know the uid of the
1886     * shared user.
1887     *
1888     * @param sharedUserName The shared user name whose uid is to be retrieved.
1889     * @return Returns the uid associated with the shared user, or  NameNotFoundException
1890     * if the shared user name is not being used by any installed packages
1891     * @hide
1892     */
1893    public abstract int getUidForSharedUser(String sharedUserName)
1894            throws NameNotFoundException;
1895
1896    /**
1897     * Return a List of all application packages that are installed on the
1898     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
1899     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
1900     * installed apps with data directory) will be returned.
1901     *
1902     * @param flags Additional option flags. Use any combination of
1903     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1904     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1905     *
1906     * @return Returns a List of ApplicationInfo objects, one for each application that
1907     *         is installed on the device.  In the unlikely case of there being
1908     *         no installed applications, an empty list is returned.
1909     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1910     *         applications including those deleted with {@code DONT_DELETE_DATA}
1911     *         (partially installed apps with data directory) will be returned.
1912     *
1913     * @see #GET_META_DATA
1914     * @see #GET_SHARED_LIBRARY_FILES
1915     * @see #GET_UNINSTALLED_PACKAGES
1916     */
1917    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
1918
1919    /**
1920     * Get a list of shared libraries that are available on the
1921     * system.
1922     *
1923     * @return An array of shared library names that are
1924     * available on the system, or null if none are installed.
1925     *
1926     */
1927    public abstract String[] getSystemSharedLibraryNames();
1928
1929    /**
1930     * Get a list of features that are available on the
1931     * system.
1932     *
1933     * @return An array of FeatureInfo classes describing the features
1934     * that are available on the system, or null if there are none(!!).
1935     */
1936    public abstract FeatureInfo[] getSystemAvailableFeatures();
1937
1938    /**
1939     * Check whether the given feature name is one of the available
1940     * features as returned by {@link #getSystemAvailableFeatures()}.
1941     *
1942     * @return Returns true if the devices supports the feature, else
1943     * false.
1944     */
1945    public abstract boolean hasSystemFeature(String name);
1946
1947    /**
1948     * Determine the best action to perform for a given Intent.  This is how
1949     * {@link Intent#resolveActivity} finds an activity if a class has not
1950     * been explicitly specified.
1951     *
1952     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
1953     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
1954     * only flag.  You need to do so to resolve the activity in the same way
1955     * that {@link android.content.Context#startActivity(Intent)} and
1956     * {@link android.content.Intent#resolveActivity(PackageManager)
1957     * Intent.resolveActivity(PackageManager)} do.</p>
1958     *
1959     * @param intent An intent containing all of the desired specification
1960     *               (action, data, type, category, and/or component).
1961     * @param flags Additional option flags.  The most important is
1962     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1963     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1964     *
1965     * @return Returns a ResolveInfo containing the final activity intent that
1966     *         was determined to be the best action.  Returns null if no
1967     *         matching activity was found. If multiple matching activities are
1968     *         found and there is no default set, returns a ResolveInfo
1969     *         containing something else, such as the activity resolver.
1970     *
1971     * @see #MATCH_DEFAULT_ONLY
1972     * @see #GET_INTENT_FILTERS
1973     * @see #GET_RESOLVED_FILTER
1974     */
1975    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
1976
1977    /**
1978     * Determine the best action to perform for a given Intent for a given user. This
1979     * is how {@link Intent#resolveActivity} finds an activity if a class has not
1980     * been explicitly specified.
1981     *
1982     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
1983     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
1984     * only flag.  You need to do so to resolve the activity in the same way
1985     * that {@link android.content.Context#startActivity(Intent)} and
1986     * {@link android.content.Intent#resolveActivity(PackageManager)
1987     * Intent.resolveActivity(PackageManager)} do.</p>
1988     *
1989     * @param intent An intent containing all of the desired specification
1990     *               (action, data, type, category, and/or component).
1991     * @param flags Additional option flags.  The most important is
1992     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
1993     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
1994     * @param userId The user id.
1995     *
1996     * @return Returns a ResolveInfo containing the final activity intent that
1997     *         was determined to be the best action.  Returns null if no
1998     *         matching activity was found. If multiple matching activities are
1999     *         found and there is no default set, returns a ResolveInfo
2000     *         containing something else, such as the activity resolver.
2001     *
2002     * @see #MATCH_DEFAULT_ONLY
2003     * @see #GET_INTENT_FILTERS
2004     * @see #GET_RESOLVED_FILTER
2005     *
2006     * @hide
2007     */
2008    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2009
2010    /**
2011     * Retrieve all activities that can be performed for the given intent.
2012     *
2013     * @param intent The desired intent as per resolveActivity().
2014     * @param flags Additional option flags.  The most important is
2015     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2016     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2017     *
2018     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2019     *         Activity. These are ordered from best to worst match -- that
2020     *         is, the first item in the list is what is returned by
2021     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2022     *         list is returned.
2023     *
2024     * @see #MATCH_DEFAULT_ONLY
2025     * @see #GET_INTENT_FILTERS
2026     * @see #GET_RESOLVED_FILTER
2027     */
2028    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2029            int flags);
2030
2031    /**
2032     * Retrieve all activities that can be performed for the given intent, for a specific user.
2033     *
2034     * @param intent The desired intent as per resolveActivity().
2035     * @param flags Additional option flags.  The most important is
2036     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2037     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2038     *
2039     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2040     *         Activity. These are ordered from best to worst match -- that
2041     *         is, the first item in the list is what is returned by
2042     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2043     *         list is returned.
2044     *
2045     * @see #MATCH_DEFAULT_ONLY
2046     * @see #GET_INTENT_FILTERS
2047     * @see #GET_RESOLVED_FILTER
2048     * @hide
2049     */
2050    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2051            int flags, int userId);
2052
2053
2054    /**
2055     * Retrieve a set of activities that should be presented to the user as
2056     * similar options.  This is like {@link #queryIntentActivities}, except it
2057     * also allows you to supply a list of more explicit Intents that you would
2058     * like to resolve to particular options, and takes care of returning the
2059     * final ResolveInfo list in a reasonable order, with no duplicates, based
2060     * on those inputs.
2061     *
2062     * @param caller The class name of the activity that is making the
2063     *               request.  This activity will never appear in the output
2064     *               list.  Can be null.
2065     * @param specifics An array of Intents that should be resolved to the
2066     *                  first specific results.  Can be null.
2067     * @param intent The desired intent as per resolveActivity().
2068     * @param flags Additional option flags.  The most important is
2069     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2070     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2071     *
2072     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2073     *         Activity. These are ordered first by all of the intents resolved
2074     *         in <var>specifics</var> and then any additional activities that
2075     *         can handle <var>intent</var> but did not get included by one of
2076     *         the <var>specifics</var> intents.  If there are no matching
2077     *         activities, an empty list is returned.
2078     *
2079     * @see #MATCH_DEFAULT_ONLY
2080     * @see #GET_INTENT_FILTERS
2081     * @see #GET_RESOLVED_FILTER
2082     */
2083    public abstract List<ResolveInfo> queryIntentActivityOptions(
2084            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2085
2086    /**
2087     * Retrieve all receivers that can handle a broadcast of the given intent.
2088     *
2089     * @param intent The desired intent as per resolveActivity().
2090     * @param flags Additional option flags.
2091     *
2092     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2093     *         Receiver. These are ordered from first to last in priority.  If
2094     *         there are no matching receivers, an empty list is returned.
2095     *
2096     * @see #MATCH_DEFAULT_ONLY
2097     * @see #GET_INTENT_FILTERS
2098     * @see #GET_RESOLVED_FILTER
2099     */
2100    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2101            int flags);
2102
2103    /**
2104     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2105     * user.
2106     *
2107     * @param intent The desired intent as per resolveActivity().
2108     * @param flags Additional option flags.
2109     * @param userId The userId of the user being queried.
2110     *
2111     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2112     *         Receiver. These are ordered from first to last in priority.  If
2113     *         there are no matching receivers, an empty list is returned.
2114     *
2115     * @see #MATCH_DEFAULT_ONLY
2116     * @see #GET_INTENT_FILTERS
2117     * @see #GET_RESOLVED_FILTER
2118     * @hide
2119     */
2120    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2121            int flags, int userId);
2122
2123    /**
2124     * Determine the best service to handle for a given Intent.
2125     *
2126     * @param intent An intent containing all of the desired specification
2127     *               (action, data, type, category, and/or component).
2128     * @param flags Additional option flags.
2129     *
2130     * @return Returns a ResolveInfo containing the final service intent that
2131     *         was determined to be the best action.  Returns null if no
2132     *         matching service was found.
2133     *
2134     * @see #GET_INTENT_FILTERS
2135     * @see #GET_RESOLVED_FILTER
2136     */
2137    public abstract ResolveInfo resolveService(Intent intent, int flags);
2138
2139    /**
2140     * Retrieve all services that can match the given intent.
2141     *
2142     * @param intent The desired intent as per resolveService().
2143     * @param flags Additional option flags.
2144     *
2145     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2146     *         ServiceInfo. These are ordered from best to worst match -- that
2147     *         is, the first item in the list is what is returned by
2148     *         resolveService().  If there are no matching services, an empty
2149     *         list is returned.
2150     *
2151     * @see #GET_INTENT_FILTERS
2152     * @see #GET_RESOLVED_FILTER
2153     */
2154    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2155            int flags);
2156
2157    /**
2158     * Retrieve all services that can match the given intent for a given user.
2159     *
2160     * @param intent The desired intent as per resolveService().
2161     * @param flags Additional option flags.
2162     * @param userId The user id.
2163     *
2164     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2165     *         ServiceInfo. These are ordered from best to worst match -- that
2166     *         is, the first item in the list is what is returned by
2167     *         resolveService().  If there are no matching services, an empty
2168     *         list is returned.
2169     *
2170     * @see #GET_INTENT_FILTERS
2171     * @see #GET_RESOLVED_FILTER
2172     *
2173     * @hide
2174     */
2175    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2176            int flags, int userId);
2177
2178    /**
2179     * Find a single content provider by its base path name.
2180     *
2181     * @param name The name of the provider to find.
2182     * @param flags Additional option flags.  Currently should always be 0.
2183     *
2184     * @return ContentProviderInfo Information about the provider, if found,
2185     *         else null.
2186     */
2187    public abstract ProviderInfo resolveContentProvider(String name,
2188            int flags);
2189
2190    /**
2191     * Retrieve content provider information.
2192     *
2193     * <p><em>Note: unlike most other methods, an empty result set is indicated
2194     * by a null return instead of an empty list.</em>
2195     *
2196     * @param processName If non-null, limits the returned providers to only
2197     *                    those that are hosted by the given process.  If null,
2198     *                    all content providers are returned.
2199     * @param uid If <var>processName</var> is non-null, this is the required
2200     *        uid owning the requested content providers.
2201     * @param flags Additional option flags.  Currently should always be 0.
2202     *
2203     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2204     *         content provider either patching <var>processName</var> or, if
2205     *         <var>processName</var> is null, all known content providers.
2206     *         <em>If there are no matching providers, null is returned.</em>
2207     */
2208    public abstract List<ProviderInfo> queryContentProviders(
2209            String processName, int uid, int flags);
2210
2211    /**
2212     * Retrieve all of the information we know about a particular
2213     * instrumentation class.
2214     *
2215     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2216     * given class name cannot be found on the system.
2217     *
2218     * @param className The full name (i.e.
2219     *                  com.google.apps.contacts.InstrumentList) of an
2220     *                  Instrumentation class.
2221     * @param flags Additional option flags.  Currently should always be 0.
2222     *
2223     * @return InstrumentationInfo containing information about the
2224     *         instrumentation.
2225     */
2226    public abstract InstrumentationInfo getInstrumentationInfo(
2227            ComponentName className, int flags) throws NameNotFoundException;
2228
2229    /**
2230     * Retrieve information about available instrumentation code.  May be used
2231     * to retrieve either all instrumentation code, or only the code targeting
2232     * a particular package.
2233     *
2234     * @param targetPackage If null, all instrumentation is returned; only the
2235     *                      instrumentation targeting this package name is
2236     *                      returned.
2237     * @param flags Additional option flags.  Currently should always be 0.
2238     *
2239     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2240     *         matching available Instrumentation.  Returns an empty list if
2241     *         there is no instrumentation available for the given package.
2242     */
2243    public abstract List<InstrumentationInfo> queryInstrumentation(
2244            String targetPackage, int flags);
2245
2246    /**
2247     * Retrieve an image from a package.  This is a low-level API used by
2248     * the various package manager info structures (such as
2249     * {@link ComponentInfo} to implement retrieval of their associated
2250     * icon.
2251     *
2252     * @param packageName The name of the package that this icon is coming from.
2253     * Cannot be null.
2254     * @param resid The resource identifier of the desired image.  Cannot be 0.
2255     * @param appInfo Overall information about <var>packageName</var>.  This
2256     * may be null, in which case the application information will be retrieved
2257     * for you if needed; if you already have this information around, it can
2258     * be much more efficient to supply it here.
2259     *
2260     * @return Returns a Drawable holding the requested image.  Returns null if
2261     * an image could not be found for any reason.
2262     */
2263    public abstract Drawable getDrawable(String packageName, int resid,
2264            ApplicationInfo appInfo);
2265
2266    /**
2267     * Retrieve the icon associated with an activity.  Given the full name of
2268     * an activity, retrieves the information about it and calls
2269     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2270     * If the activity cannot be found, NameNotFoundException is thrown.
2271     *
2272     * @param activityName Name of the activity whose icon is to be retrieved.
2273     *
2274     * @return Returns the image of the icon, or the default activity icon if
2275     * it could not be found.  Does not return null.
2276     * @throws NameNotFoundException Thrown if the resources for the given
2277     * activity could not be loaded.
2278     *
2279     * @see #getActivityIcon(Intent)
2280     */
2281    public abstract Drawable getActivityIcon(ComponentName activityName)
2282            throws NameNotFoundException;
2283
2284    /**
2285     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2286     * set, this simply returns the result of
2287     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2288     * component and returns the icon associated with the resolved component.
2289     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2290     * to a component, NameNotFoundException is thrown.
2291     *
2292     * @param intent The intent for which you would like to retrieve an icon.
2293     *
2294     * @return Returns the image of the icon, or the default activity icon if
2295     * it could not be found.  Does not return null.
2296     * @throws NameNotFoundException Thrown if the resources for application
2297     * matching the given intent could not be loaded.
2298     *
2299     * @see #getActivityIcon(ComponentName)
2300     */
2301    public abstract Drawable getActivityIcon(Intent intent)
2302            throws NameNotFoundException;
2303
2304    /**
2305     * Return the generic icon for an activity that is used when no specific
2306     * icon is defined.
2307     *
2308     * @return Drawable Image of the icon.
2309     */
2310    public abstract Drawable getDefaultActivityIcon();
2311
2312    /**
2313     * Retrieve the icon associated with an application.  If it has not defined
2314     * an icon, the default app icon is returned.  Does not return null.
2315     *
2316     * @param info Information about application being queried.
2317     *
2318     * @return Returns the image of the icon, or the default application icon
2319     * if it could not be found.
2320     *
2321     * @see #getApplicationIcon(String)
2322     */
2323    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2324
2325    /**
2326     * Retrieve the icon associated with an application.  Given the name of the
2327     * application's package, retrieves the information about it and calls
2328     * getApplicationIcon() to return its icon. If the application cannot be
2329     * found, NameNotFoundException is thrown.
2330     *
2331     * @param packageName Name of the package whose application icon is to be
2332     *                    retrieved.
2333     *
2334     * @return Returns the image of the icon, or the default application icon
2335     * if it could not be found.  Does not return null.
2336     * @throws NameNotFoundException Thrown if the resources for the given
2337     * application could not be loaded.
2338     *
2339     * @see #getApplicationIcon(ApplicationInfo)
2340     */
2341    public abstract Drawable getApplicationIcon(String packageName)
2342            throws NameNotFoundException;
2343
2344    /**
2345     * Retrieve the logo associated with an activity.  Given the full name of
2346     * an activity, retrieves the information about it and calls
2347     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its logo.
2348     * If the activity cannot be found, NameNotFoundException is thrown.
2349     *
2350     * @param activityName Name of the activity whose logo is to be retrieved.
2351     *
2352     * @return Returns the image of the logo or null if the activity has no
2353     * logo specified.
2354     *
2355     * @throws NameNotFoundException Thrown if the resources for the given
2356     * activity could not be loaded.
2357     *
2358     * @see #getActivityLogo(Intent)
2359     */
2360    public abstract Drawable getActivityLogo(ComponentName activityName)
2361            throws NameNotFoundException;
2362
2363    /**
2364     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2365     * set, this simply returns the result of
2366     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2367     * component and returns the logo associated with the resolved component.
2368     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2369     * to a component, NameNotFoundException is thrown.
2370     *
2371     * @param intent The intent for which you would like to retrieve a logo.
2372     *
2373     * @return Returns the image of the logo, or null if the activity has no
2374     * logo specified.
2375     *
2376     * @throws NameNotFoundException Thrown if the resources for application
2377     * matching the given intent could not be loaded.
2378     *
2379     * @see #getActivityLogo(ComponentName)
2380     */
2381    public abstract Drawable getActivityLogo(Intent intent)
2382            throws NameNotFoundException;
2383
2384    /**
2385     * Retrieve the logo associated with an application.  If it has not specified
2386     * a logo, this method returns null.
2387     *
2388     * @param info Information about application being queried.
2389     *
2390     * @return Returns the image of the logo, or null if no logo is specified
2391     * by the application.
2392     *
2393     * @see #getApplicationLogo(String)
2394     */
2395    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2396
2397    /**
2398     * Retrieve the logo associated with an application.  Given the name of the
2399     * application's package, retrieves the information about it and calls
2400     * getApplicationLogo() to return its logo. If the application cannot be
2401     * found, NameNotFoundException is thrown.
2402     *
2403     * @param packageName Name of the package whose application logo is to be
2404     *                    retrieved.
2405     *
2406     * @return Returns the image of the logo, or null if no application logo
2407     * has been specified.
2408     *
2409     * @throws NameNotFoundException Thrown if the resources for the given
2410     * application could not be loaded.
2411     *
2412     * @see #getApplicationLogo(ApplicationInfo)
2413     */
2414    public abstract Drawable getApplicationLogo(String packageName)
2415            throws NameNotFoundException;
2416
2417    /**
2418     * Retrieve text from a package.  This is a low-level API used by
2419     * the various package manager info structures (such as
2420     * {@link ComponentInfo} to implement retrieval of their associated
2421     * labels and other text.
2422     *
2423     * @param packageName The name of the package that this text is coming from.
2424     * Cannot be null.
2425     * @param resid The resource identifier of the desired text.  Cannot be 0.
2426     * @param appInfo Overall information about <var>packageName</var>.  This
2427     * may be null, in which case the application information will be retrieved
2428     * for you if needed; if you already have this information around, it can
2429     * be much more efficient to supply it here.
2430     *
2431     * @return Returns a CharSequence holding the requested text.  Returns null
2432     * if the text could not be found for any reason.
2433     */
2434    public abstract CharSequence getText(String packageName, int resid,
2435            ApplicationInfo appInfo);
2436
2437    /**
2438     * Retrieve an XML file from a package.  This is a low-level API used to
2439     * retrieve XML meta data.
2440     *
2441     * @param packageName The name of the package that this xml is coming from.
2442     * Cannot be null.
2443     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2444     * @param appInfo Overall information about <var>packageName</var>.  This
2445     * may be null, in which case the application information will be retrieved
2446     * for you if needed; if you already have this information around, it can
2447     * be much more efficient to supply it here.
2448     *
2449     * @return Returns an XmlPullParser allowing you to parse out the XML
2450     * data.  Returns null if the xml resource could not be found for any
2451     * reason.
2452     */
2453    public abstract XmlResourceParser getXml(String packageName, int resid,
2454            ApplicationInfo appInfo);
2455
2456    /**
2457     * Return the label to use for this application.
2458     *
2459     * @return Returns the label associated with this application, or null if
2460     * it could not be found for any reason.
2461     * @param info The application to get the label of.
2462     */
2463    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2464
2465    /**
2466     * Retrieve the resources associated with an activity.  Given the full
2467     * name of an activity, retrieves the information about it and calls
2468     * getResources() to return its application's resources.  If the activity
2469     * cannot be found, NameNotFoundException is thrown.
2470     *
2471     * @param activityName Name of the activity whose resources are to be
2472     *                     retrieved.
2473     *
2474     * @return Returns the application's Resources.
2475     * @throws NameNotFoundException Thrown if the resources for the given
2476     * application could not be loaded.
2477     *
2478     * @see #getResourcesForApplication(ApplicationInfo)
2479     */
2480    public abstract Resources getResourcesForActivity(ComponentName activityName)
2481            throws NameNotFoundException;
2482
2483    /**
2484     * Retrieve the resources for an application.  Throws NameNotFoundException
2485     * if the package is no longer installed.
2486     *
2487     * @param app Information about the desired application.
2488     *
2489     * @return Returns the application's Resources.
2490     * @throws NameNotFoundException Thrown if the resources for the given
2491     * application could not be loaded (most likely because it was uninstalled).
2492     */
2493    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2494            throws NameNotFoundException;
2495
2496    /**
2497     * Retrieve the resources associated with an application.  Given the full
2498     * package name of an application, retrieves the information about it and
2499     * calls getResources() to return its application's resources.  If the
2500     * appPackageName cannot be found, NameNotFoundException is thrown.
2501     *
2502     * @param appPackageName Package name of the application whose resources
2503     *                       are to be retrieved.
2504     *
2505     * @return Returns the application's Resources.
2506     * @throws NameNotFoundException Thrown if the resources for the given
2507     * application could not be loaded.
2508     *
2509     * @see #getResourcesForApplication(ApplicationInfo)
2510     */
2511    public abstract Resources getResourcesForApplication(String appPackageName)
2512            throws NameNotFoundException;
2513
2514    /** @hide */
2515    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2516            throws NameNotFoundException;
2517
2518    /**
2519     * Retrieve overall information about an application package defined
2520     * in a package archive file
2521     *
2522     * @param archiveFilePath The path to the archive file
2523     * @param flags Additional option flags. Use any combination of
2524     * {@link #GET_ACTIVITIES},
2525     * {@link #GET_GIDS},
2526     * {@link #GET_CONFIGURATIONS},
2527     * {@link #GET_INSTRUMENTATION},
2528     * {@link #GET_PERMISSIONS},
2529     * {@link #GET_PROVIDERS},
2530     * {@link #GET_RECEIVERS},
2531     * {@link #GET_SERVICES},
2532     * {@link #GET_SIGNATURES}, to modify the data returned.
2533     *
2534     * @return Returns the information about the package. Returns
2535     * null if the package could not be successfully parsed.
2536     *
2537     * @see #GET_ACTIVITIES
2538     * @see #GET_GIDS
2539     * @see #GET_CONFIGURATIONS
2540     * @see #GET_INSTRUMENTATION
2541     * @see #GET_PERMISSIONS
2542     * @see #GET_PROVIDERS
2543     * @see #GET_RECEIVERS
2544     * @see #GET_SERVICES
2545     * @see #GET_SIGNATURES
2546     *
2547     */
2548    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2549        PackageParser packageParser = new PackageParser(archiveFilePath);
2550        DisplayMetrics metrics = new DisplayMetrics();
2551        metrics.setToDefaults();
2552        final File sourceFile = new File(archiveFilePath);
2553        PackageParser.Package pkg = packageParser.parsePackage(
2554                sourceFile, archiveFilePath, metrics, 0);
2555        if (pkg == null) {
2556            return null;
2557        }
2558        if ((flags & GET_SIGNATURES) != 0) {
2559            packageParser.collectCertificates(pkg, 0);
2560        }
2561        PackageUserState state = new PackageUserState();
2562        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2563    }
2564
2565    /**
2566     * @hide
2567     *
2568     * Install a package. Since this may take a little while, the result will
2569     * be posted back to the given observer.  An installation will fail if the calling context
2570     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2571     * package named in the package file's manifest is already installed, or if there's no space
2572     * available on the device.
2573     *
2574     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2575     * 'content:' URI.
2576     * @param observer An observer callback to get notified when the package installation is
2577     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2578     * called when that happens.  observer may be null to indicate that no callback is desired.
2579     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2580     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2581     * @param installerPackageName Optional package name of the application that is performing the
2582     * installation. This identifies which market the package came from.
2583     */
2584    public abstract void installPackage(
2585            Uri packageURI, IPackageInstallObserver observer, int flags,
2586            String installerPackageName);
2587
2588    /**
2589     * Similar to
2590     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2591     * with an extra verification file provided.
2592     *
2593     * @param packageURI The location of the package file to install. This can
2594     *            be a 'file:' or a 'content:' URI.
2595     * @param observer An observer callback to get notified when the package
2596     *            installation is complete.
2597     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2598     *            will be called when that happens. observer may be null to
2599     *            indicate that no callback is desired.
2600     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2601     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2602     *            .
2603     * @param installerPackageName Optional package name of the application that
2604     *            is performing the installation. This identifies which market
2605     *            the package came from.
2606     * @param verificationURI The location of the supplementary verification
2607     *            file. This can be a 'file:' or a 'content:' URI. May be
2608     *            {@code null}.
2609     * @param manifestDigest an object that holds the digest of the package
2610     *            which can be used to verify ownership. May be {@code null}.
2611     * @param encryptionParams if the package to be installed is encrypted,
2612     *            these parameters describing the encryption and authentication
2613     *            used. May be {@code null}.
2614     * @hide
2615     */
2616    public abstract void installPackageWithVerification(Uri packageURI,
2617            IPackageInstallObserver observer, int flags, String installerPackageName,
2618            Uri verificationURI, ManifestDigest manifestDigest,
2619            ContainerEncryptionParams encryptionParams);
2620
2621    /**
2622     * Similar to
2623     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2624     * with an extra verification information provided.
2625     *
2626     * @param packageURI The location of the package file to install. This can
2627     *            be a 'file:' or a 'content:' URI.
2628     * @param observer An observer callback to get notified when the package
2629     *            installation is complete.
2630     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2631     *            will be called when that happens. observer may be null to
2632     *            indicate that no callback is desired.
2633     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2634     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2635     *            .
2636     * @param installerPackageName Optional package name of the application that
2637     *            is performing the installation. This identifies which market
2638     *            the package came from.
2639     * @param verificationParams an object that holds signal information to
2640     *            assist verification. May be {@code null}.
2641     * @param encryptionParams if the package to be installed is encrypted,
2642     *            these parameters describing the encryption and authentication
2643     *            used. May be {@code null}.
2644     *
2645     * @hide
2646     */
2647    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2648            IPackageInstallObserver observer, int flags, String installerPackageName,
2649            VerificationParams verificationParams,
2650            ContainerEncryptionParams encryptionParams);
2651
2652    /**
2653     * If there is already an application with the given package name installed
2654     * on the system for other users, also install it for the calling user.
2655     * @hide
2656     */
2657    public abstract int installExistingPackage(String packageName)
2658            throws NameNotFoundException;
2659
2660    /**
2661     * Allows a package listening to the
2662     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2663     * broadcast} to respond to the package manager. The response must include
2664     * the {@code verificationCode} which is one of
2665     * {@link PackageManager#VERIFICATION_ALLOW} or
2666     * {@link PackageManager#VERIFICATION_REJECT}.
2667     *
2668     * @param id pending package identifier as passed via the
2669     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2670     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2671     *            or {@link PackageManager#VERIFICATION_REJECT}.
2672     * @throws SecurityException if the caller does not have the
2673     *            PACKAGE_VERIFICATION_AGENT permission.
2674     */
2675    public abstract void verifyPendingInstall(int id, int verificationCode);
2676
2677    /**
2678     * Allows a package listening to the
2679     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2680     * broadcast} to extend the default timeout for a response and declare what
2681     * action to perform after the timeout occurs. The response must include
2682     * the {@code verificationCodeAtTimeout} which is one of
2683     * {@link PackageManager#VERIFICATION_ALLOW} or
2684     * {@link PackageManager#VERIFICATION_REJECT}.
2685     *
2686     * This method may only be called once per package id. Additional calls
2687     * will have no effect.
2688     *
2689     * @param id pending package identifier as passed via the
2690     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2691     * @param verificationCodeAtTimeout either
2692     *            {@link PackageManager#VERIFICATION_ALLOW} or
2693     *            {@link PackageManager#VERIFICATION_REJECT}. If
2694     *            {@code verificationCodeAtTimeout} is neither
2695     *            {@link PackageManager#VERIFICATION_ALLOW} or
2696     *            {@link PackageManager#VERIFICATION_REJECT}, then
2697     *            {@code verificationCodeAtTimeout} will default to
2698     *            {@link PackageManager#VERIFICATION_REJECT}.
2699     * @param millisecondsToDelay the amount of time requested for the timeout.
2700     *            Must be positive and less than
2701     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2702     *            {@code millisecondsToDelay} is out of bounds,
2703     *            {@code millisecondsToDelay} will be set to the closest in
2704     *            bounds value; namely, 0 or
2705     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2706     * @throws SecurityException if the caller does not have the
2707     *            PACKAGE_VERIFICATION_AGENT permission.
2708     */
2709    public abstract void extendVerificationTimeout(int id,
2710            int verificationCodeAtTimeout, long millisecondsToDelay);
2711
2712    /**
2713     * Change the installer associated with a given package.  There are limitations
2714     * on how the installer package can be changed; in particular:
2715     * <ul>
2716     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2717     * is not signed with the same certificate as the calling application.
2718     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2719     * has an installer package, and that installer package is not signed with
2720     * the same certificate as the calling application.
2721     * </ul>
2722     *
2723     * @param targetPackage The installed package whose installer will be changed.
2724     * @param installerPackageName The package name of the new installer.  May be
2725     * null to clear the association.
2726     */
2727    public abstract void setInstallerPackageName(String targetPackage,
2728            String installerPackageName);
2729
2730    /**
2731     * Attempts to delete a package.  Since this may take a little while, the result will
2732     * be posted back to the given observer.  A deletion will fail if the calling context
2733     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2734     * named package cannot be found, or if the named package is a "system package".
2735     * (TODO: include pointer to documentation on "system packages")
2736     *
2737     * @param packageName The name of the package to delete
2738     * @param observer An observer callback to get notified when the package deletion is
2739     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2740     * called when that happens.  observer may be null to indicate that no callback is desired.
2741     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2742     * {@link #DELETE_ALL_USERS}.
2743     *
2744     * @hide
2745     */
2746    public abstract void deletePackage(
2747            String packageName, IPackageDeleteObserver observer, int flags);
2748
2749    /**
2750     * Retrieve the package name of the application that installed a package. This identifies
2751     * which market the package came from.
2752     *
2753     * @param packageName The name of the package to query
2754     */
2755    public abstract String getInstallerPackageName(String packageName);
2756
2757    /**
2758     * Attempts to clear the user data directory of an application.
2759     * Since this may take a little while, the result will
2760     * be posted back to the given observer.  A deletion will fail if the
2761     * named package cannot be found, or if the named package is a "system package".
2762     *
2763     * @param packageName The name of the package
2764     * @param observer An observer callback to get notified when the operation is finished
2765     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2766     * will be called when that happens.  observer may be null to indicate that
2767     * no callback is desired.
2768     *
2769     * @hide
2770     */
2771    public abstract void clearApplicationUserData(String packageName,
2772            IPackageDataObserver observer);
2773    /**
2774     * Attempts to delete the cache files associated with an application.
2775     * Since this may take a little while, the result will
2776     * be posted back to the given observer.  A deletion will fail if the calling context
2777     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2778     * named package cannot be found, or if the named package is a "system package".
2779     *
2780     * @param packageName The name of the package to delete
2781     * @param observer An observer callback to get notified when the cache file deletion
2782     * is complete.
2783     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2784     * will be called when that happens.  observer may be null to indicate that
2785     * no callback is desired.
2786     *
2787     * @hide
2788     */
2789    public abstract void deleteApplicationCacheFiles(String packageName,
2790            IPackageDataObserver observer);
2791
2792    /**
2793     * Free storage by deleting LRU sorted list of cache files across
2794     * all applications. If the currently available free storage
2795     * on the device is greater than or equal to the requested
2796     * free storage, no cache files are cleared. If the currently
2797     * available storage on the device is less than the requested
2798     * free storage, some or all of the cache files across
2799     * all applications are deleted (based on last accessed time)
2800     * to increase the free storage space on the device to
2801     * the requested value. There is no guarantee that clearing all
2802     * the cache files from all applications will clear up
2803     * enough storage to achieve the desired value.
2804     * @param freeStorageSize The number of bytes of storage to be
2805     * freed by the system. Say if freeStorageSize is XX,
2806     * and the current free storage is YY,
2807     * if XX is less than YY, just return. if not free XX-YY number
2808     * of bytes if possible.
2809     * @param observer call back used to notify when
2810     * the operation is completed
2811     *
2812     * @hide
2813     */
2814    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
2815
2816    /**
2817     * Free storage by deleting LRU sorted list of cache files across
2818     * all applications. If the currently available free storage
2819     * on the device is greater than or equal to the requested
2820     * free storage, no cache files are cleared. If the currently
2821     * available storage on the device is less than the requested
2822     * free storage, some or all of the cache files across
2823     * all applications are deleted (based on last accessed time)
2824     * to increase the free storage space on the device to
2825     * the requested value. There is no guarantee that clearing all
2826     * the cache files from all applications will clear up
2827     * enough storage to achieve the desired value.
2828     * @param freeStorageSize The number of bytes of storage to be
2829     * freed by the system. Say if freeStorageSize is XX,
2830     * and the current free storage is YY,
2831     * if XX is less than YY, just return. if not free XX-YY number
2832     * of bytes if possible.
2833     * @param pi IntentSender call back used to
2834     * notify when the operation is completed.May be null
2835     * to indicate that no call back is desired.
2836     *
2837     * @hide
2838     */
2839    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
2840
2841    /**
2842     * Retrieve the size information for a package.
2843     * Since this may take a little while, the result will
2844     * be posted back to the given observer.  The calling context
2845     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
2846     *
2847     * @param packageName The name of the package whose size information is to be retrieved
2848     * @param userHandle The user whose size information should be retrieved.
2849     * @param observer An observer callback to get notified when the operation
2850     * is complete.
2851     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
2852     * The observer's callback is invoked with a PackageStats object(containing the
2853     * code, data and cache sizes of the package) and a boolean value representing
2854     * the status of the operation. observer may be null to indicate that
2855     * no callback is desired.
2856     *
2857     * @hide
2858     */
2859    public abstract void getPackageSizeInfo(String packageName, int userHandle,
2860            IPackageStatsObserver observer);
2861
2862    /**
2863     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
2864     * returns the size for the calling user.
2865     *
2866     * @hide
2867     */
2868    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
2869        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
2870    }
2871
2872    /**
2873     * @deprecated This function no longer does anything; it was an old
2874     * approach to managing preferred activities, which has been superseded
2875     * by (and conflicts with) the modern activity-based preferences.
2876     */
2877    @Deprecated
2878    public abstract void addPackageToPreferred(String packageName);
2879
2880    /**
2881     * @deprecated This function no longer does anything; it was an old
2882     * approach to managing preferred activities, which has been superseded
2883     * by (and conflicts with) the modern activity-based preferences.
2884     */
2885    @Deprecated
2886    public abstract void removePackageFromPreferred(String packageName);
2887
2888    /**
2889     * Retrieve the list of all currently configured preferred packages.  The
2890     * first package on the list is the most preferred, the last is the
2891     * least preferred.
2892     *
2893     * @param flags Additional option flags. Use any combination of
2894     * {@link #GET_ACTIVITIES},
2895     * {@link #GET_GIDS},
2896     * {@link #GET_CONFIGURATIONS},
2897     * {@link #GET_INSTRUMENTATION},
2898     * {@link #GET_PERMISSIONS},
2899     * {@link #GET_PROVIDERS},
2900     * {@link #GET_RECEIVERS},
2901     * {@link #GET_SERVICES},
2902     * {@link #GET_SIGNATURES}, to modify the data returned.
2903     *
2904     * @return Returns a list of PackageInfo objects describing each
2905     * preferred application, in order of preference.
2906     *
2907     * @see #GET_ACTIVITIES
2908     * @see #GET_GIDS
2909     * @see #GET_CONFIGURATIONS
2910     * @see #GET_INSTRUMENTATION
2911     * @see #GET_PERMISSIONS
2912     * @see #GET_PROVIDERS
2913     * @see #GET_RECEIVERS
2914     * @see #GET_SERVICES
2915     * @see #GET_SIGNATURES
2916     */
2917    public abstract List<PackageInfo> getPreferredPackages(int flags);
2918
2919    /**
2920     * @deprecated This is a protected API that should not have been available
2921     * to third party applications.  It is the platform's responsibility for
2922     * assigning preferred activities and this cannot be directly modified.
2923     *
2924     * Add a new preferred activity mapping to the system.  This will be used
2925     * to automatically select the given activity component when
2926     * {@link Context#startActivity(Intent) Context.startActivity()} finds
2927     * multiple matching activities and also matches the given filter.
2928     *
2929     * @param filter The set of intents under which this activity will be
2930     * made preferred.
2931     * @param match The IntentFilter match category that this preference
2932     * applies to.
2933     * @param set The set of activities that the user was picking from when
2934     * this preference was made.
2935     * @param activity The component name of the activity that is to be
2936     * preferred.
2937     */
2938    @Deprecated
2939    public abstract void addPreferredActivity(IntentFilter filter, int match,
2940            ComponentName[] set, ComponentName activity);
2941
2942    /**
2943     * Same as {@link #addPreferredActivity(IntentFilter, int,
2944            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
2945            to.
2946     * @hide
2947     */
2948    public void addPreferredActivity(IntentFilter filter, int match,
2949            ComponentName[] set, ComponentName activity, int userId) {
2950        throw new RuntimeException("Not implemented. Must override in a subclass.");
2951    }
2952
2953    /**
2954     * @deprecated This is a protected API that should not have been available
2955     * to third party applications.  It is the platform's responsibility for
2956     * assigning preferred activities and this cannot be directly modified.
2957     *
2958     * Replaces an existing preferred activity mapping to the system, and if that were not present
2959     * adds a new preferred activity.  This will be used
2960     * to automatically select the given activity component when
2961     * {@link Context#startActivity(Intent) Context.startActivity()} finds
2962     * multiple matching activities and also matches the given filter.
2963     *
2964     * @param filter The set of intents under which this activity will be
2965     * made preferred.
2966     * @param match The IntentFilter match category that this preference
2967     * applies to.
2968     * @param set The set of activities that the user was picking from when
2969     * this preference was made.
2970     * @param activity The component name of the activity that is to be
2971     * preferred.
2972     * @hide
2973     */
2974    @Deprecated
2975    public abstract void replacePreferredActivity(IntentFilter filter, int match,
2976            ComponentName[] set, ComponentName activity);
2977
2978    /**
2979     * Remove all preferred activity mappings, previously added with
2980     * {@link #addPreferredActivity}, from the
2981     * system whose activities are implemented in the given package name.
2982     * An application can only clear its own package(s).
2983     *
2984     * @param packageName The name of the package whose preferred activity
2985     * mappings are to be removed.
2986     */
2987    public abstract void clearPackagePreferredActivities(String packageName);
2988
2989    /**
2990     * Retrieve all preferred activities, previously added with
2991     * {@link #addPreferredActivity}, that are
2992     * currently registered with the system.
2993     *
2994     * @param outFilters A list in which to place the filters of all of the
2995     * preferred activities, or null for none.
2996     * @param outActivities A list in which to place the component names of
2997     * all of the preferred activities, or null for none.
2998     * @param packageName An option package in which you would like to limit
2999     * the list.  If null, all activities will be returned; if non-null, only
3000     * those activities in the given package are returned.
3001     *
3002     * @return Returns the total number of registered preferred activities
3003     * (the number of distinct IntentFilter records, not the number of unique
3004     * activity components) that were found.
3005     */
3006    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3007            List<ComponentName> outActivities, String packageName);
3008
3009    /**
3010     * Set the enabled setting for a package component (activity, receiver, service, provider).
3011     * This setting will override any enabled state which may have been set by the component in its
3012     * manifest.
3013     *
3014     * @param componentName The component to enable
3015     * @param newState The new enabled state for the component.  The legal values for this state
3016     *                 are:
3017     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3018     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3019     *                   and
3020     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3021     *                 The last one removes the setting, thereby restoring the component's state to
3022     *                 whatever was set in it's manifest (or enabled, by default).
3023     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3024     */
3025    public abstract void setComponentEnabledSetting(ComponentName componentName,
3026            int newState, int flags);
3027
3028
3029    /**
3030     * Return the the enabled setting for a package component (activity,
3031     * receiver, service, provider).  This returns the last value set by
3032     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3033     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3034     * the value originally specified in the manifest has not been modified.
3035     *
3036     * @param componentName The component to retrieve.
3037     * @return Returns the current enabled state for the component.  May
3038     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3039     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3040     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3041     * component's enabled state is based on the original information in
3042     * the manifest as found in {@link ComponentInfo}.
3043     */
3044    public abstract int getComponentEnabledSetting(ComponentName componentName);
3045
3046    /**
3047     * Set the enabled setting for an application
3048     * This setting will override any enabled state which may have been set by the application in
3049     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3050     * application's components.  It does not override any enabled state set by
3051     * {@link #setComponentEnabledSetting} for any of the application's components.
3052     *
3053     * @param packageName The package name of the application to enable
3054     * @param newState The new enabled state for the component.  The legal values for this state
3055     *                 are:
3056     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3057     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3058     *                   and
3059     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3060     *                 The last one removes the setting, thereby restoring the applications's state to
3061     *                 whatever was set in its manifest (or enabled, by default).
3062     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3063     */
3064    public abstract void setApplicationEnabledSetting(String packageName,
3065            int newState, int flags);
3066
3067    /**
3068     * Return the the enabled setting for an application.  This returns
3069     * the last value set by
3070     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3071     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3072     * the value originally specified in the manifest has not been modified.
3073     *
3074     * @param packageName The component to retrieve.
3075     * @return Returns the current enabled state for the component.  May
3076     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3077     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3078     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3079     * application's enabled state is based on the original information in
3080     * the manifest as found in {@link ComponentInfo}.
3081     * @throws IllegalArgumentException if the named package does not exist.
3082     */
3083    public abstract int getApplicationEnabledSetting(String packageName);
3084
3085    /**
3086     * Return whether the device has been booted into safe mode.
3087     */
3088    public abstract boolean isSafeMode();
3089
3090    /**
3091     * Attempts to move package resources from internal to external media or vice versa.
3092     * Since this may take a little while, the result will
3093     * be posted back to the given observer.   This call may fail if the calling context
3094     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3095     * named package cannot be found, or if the named package is a "system package".
3096     *
3097     * @param packageName The name of the package to delete
3098     * @param observer An observer callback to get notified when the package move is
3099     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3100     * called when that happens.  observer may be null to indicate that no callback is desired.
3101     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3102     * {@link #MOVE_EXTERNAL_MEDIA}
3103     *
3104     * @hide
3105     */
3106    public abstract void movePackage(
3107            String packageName, IPackageMoveObserver observer, int flags);
3108
3109    /**
3110     * Returns the device identity that verifiers can use to associate their scheme to a particular
3111     * device. This should not be used by anything other than a package verifier.
3112     *
3113     * @return identity that uniquely identifies current device
3114     * @hide
3115     */
3116    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3117
3118    /**
3119     * Returns the data directory for a particular user and package, given the uid of the package.
3120     * @param uid uid of the package, including the userId and appId
3121     * @param packageName name of the package
3122     * @return the user-specific data directory for the package
3123     * @hide
3124     */
3125    public static String getDataDirForUser(int userId, String packageName) {
3126        // TODO: This should be shared with Installer's knowledge of user directory
3127        return Environment.getDataDirectory().toString() + "/user/" + userId
3128                + "/" + packageName;
3129    }
3130}
3131