PackageManager.java revision 5441745effb885589c03050b59885e8a3ad96ad6
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.content.pm;
18
19import android.annotation.IntDef;
20import android.annotation.SdkConstant;
21import android.annotation.SdkConstant.SdkConstantType;
22import android.content.ComponentName;
23import android.content.Context;
24import android.content.Intent;
25import android.content.IntentFilter;
26import android.content.IntentSender;
27import android.content.res.Resources;
28import android.content.res.XmlResourceParser;
29import android.graphics.drawable.Drawable;
30import android.net.Uri;
31import android.os.Environment;
32import android.os.UserHandle;
33import android.util.AndroidException;
34import android.util.DisplayMetrics;
35
36import java.io.File;
37import java.lang.annotation.Retention;
38import java.lang.annotation.RetentionPolicy;
39import java.util.List;
40
41/**
42 * Class for retrieving various kinds of information related to the application
43 * packages that are currently installed on the device.
44 *
45 * You can find this class through {@link Context#getPackageManager}.
46 */
47public abstract class PackageManager {
48
49    /**
50     * This exception is thrown when a given package, application, or component
51     * name cannot be found.
52     */
53    public static class NameNotFoundException extends AndroidException {
54        public NameNotFoundException() {
55        }
56
57        public NameNotFoundException(String name) {
58            super(name);
59        }
60    }
61
62    /**
63     * {@link PackageInfo} flag: return information about
64     * activities in the package in {@link PackageInfo#activities}.
65     */
66    public static final int GET_ACTIVITIES              = 0x00000001;
67
68    /**
69     * {@link PackageInfo} flag: return information about
70     * intent receivers in the package in
71     * {@link PackageInfo#receivers}.
72     */
73    public static final int GET_RECEIVERS               = 0x00000002;
74
75    /**
76     * {@link PackageInfo} flag: return information about
77     * services in the package in {@link PackageInfo#services}.
78     */
79    public static final int GET_SERVICES                = 0x00000004;
80
81    /**
82     * {@link PackageInfo} flag: return information about
83     * content providers in the package in
84     * {@link PackageInfo#providers}.
85     */
86    public static final int GET_PROVIDERS               = 0x00000008;
87
88    /**
89     * {@link PackageInfo} flag: return information about
90     * instrumentation in the package in
91     * {@link PackageInfo#instrumentation}.
92     */
93    public static final int GET_INSTRUMENTATION         = 0x00000010;
94
95    /**
96     * {@link PackageInfo} flag: return information about the
97     * intent filters supported by the activity.
98     */
99    public static final int GET_INTENT_FILTERS          = 0x00000020;
100
101    /**
102     * {@link PackageInfo} flag: return information about the
103     * signatures included in the package.
104     */
105    public static final int GET_SIGNATURES          = 0x00000040;
106
107    /**
108     * {@link ResolveInfo} flag: return the IntentFilter that
109     * was matched for a particular ResolveInfo in
110     * {@link ResolveInfo#filter}.
111     */
112    public static final int GET_RESOLVED_FILTER         = 0x00000040;
113
114    /**
115     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
116     * data {@link android.os.Bundle}s that are associated with a component.
117     * This applies for any API returning a ComponentInfo subclass.
118     */
119    public static final int GET_META_DATA               = 0x00000080;
120
121    /**
122     * {@link PackageInfo} flag: return the
123     * {@link PackageInfo#gids group ids} that are associated with an
124     * application.
125     * This applies for any API returning a PackageInfo class, either
126     * directly or nested inside of another.
127     */
128    public static final int GET_GIDS                    = 0x00000100;
129
130    /**
131     * {@link PackageInfo} flag: include disabled components in the returned info.
132     */
133    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
134
135    /**
136     * {@link ApplicationInfo} flag: return the
137     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
138     * that are associated with an application.
139     * This applies for any API returning an ApplicationInfo class, either
140     * directly or nested inside of another.
141     */
142    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
143
144    /**
145     * {@link ProviderInfo} flag: return the
146     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
147     * that are associated with a content provider.
148     * This applies for any API returning a ProviderInfo class, either
149     * directly or nested inside of another.
150     */
151    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
152    /**
153     * {@link PackageInfo} flag: return information about
154     * permissions in the package in
155     * {@link PackageInfo#permissions}.
156     */
157    public static final int GET_PERMISSIONS               = 0x00001000;
158
159    /**
160     * Flag parameter to retrieve some information about all applications (even
161     * uninstalled ones) which have data directories. This state could have
162     * resulted if applications have been deleted with flag
163     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
164     * reinstalled in future.
165     * <p>
166     * Note: this flag may cause less information about currently installed
167     * applications to be returned.
168     */
169    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
170
171    /**
172     * {@link PackageInfo} flag: return information about
173     * hardware preferences in
174     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
175     * requested features in {@link PackageInfo#reqFeatures
176     * PackageInfo.reqFeatures}.
177     */
178    public static final int GET_CONFIGURATIONS = 0x00004000;
179
180    /**
181     * {@link PackageInfo} flag: include disabled components which are in
182     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
183     * in the returned info.  Note that if you set this flag, applications
184     * that are in this disabled state will be reported as enabled.
185     */
186    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
187
188    /**
189     * Resolution and querying flag: if set, only filters that support the
190     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
191     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
192     * supplied Intent.
193     */
194    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
195
196    /** @hide */
197    @IntDef({PERMISSION_GRANTED, PERMISSION_DENIED})
198    @Retention(RetentionPolicy.SOURCE)
199    public @interface PermissionResult {}
200
201    /**
202     * Permission check result: this is returned by {@link #checkPermission}
203     * if the permission has been granted to the given package.
204     */
205    public static final int PERMISSION_GRANTED = 0;
206
207    /**
208     * Permission check result: this is returned by {@link #checkPermission}
209     * if the permission has not been granted to the given package.
210     */
211    public static final int PERMISSION_DENIED = -1;
212
213    /**
214     * Signature check result: this is returned by {@link #checkSignatures}
215     * if all signatures on the two packages match.
216     */
217    public static final int SIGNATURE_MATCH = 0;
218
219    /**
220     * Signature check result: this is returned by {@link #checkSignatures}
221     * if neither of the two packages is signed.
222     */
223    public static final int SIGNATURE_NEITHER_SIGNED = 1;
224
225    /**
226     * Signature check result: this is returned by {@link #checkSignatures}
227     * if the first package is not signed but the second is.
228     */
229    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
230
231    /**
232     * Signature check result: this is returned by {@link #checkSignatures}
233     * if the second package is not signed but the first is.
234     */
235    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
236
237    /**
238     * Signature check result: this is returned by {@link #checkSignatures}
239     * if not all signatures on both packages match.
240     */
241    public static final int SIGNATURE_NO_MATCH = -3;
242
243    /**
244     * Signature check result: this is returned by {@link #checkSignatures}
245     * if either of the packages are not valid.
246     */
247    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
248
249    /**
250     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
251     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
252     * component or application is in its default enabled state (as specified
253     * in its manifest).
254     */
255    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
256
257    /**
258     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
259     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
260     * component or application has been explictily enabled, regardless of
261     * what it has specified in its manifest.
262     */
263    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
264
265    /**
266     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
267     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
268     * component or application has been explicitly disabled, regardless of
269     * what it has specified in its manifest.
270     */
271    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
272
273    /**
274     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
275     * user has explicitly disabled the application, regardless of what it has
276     * specified in its manifest.  Because this is due to the user's request,
277     * they may re-enable it if desired through the appropriate system UI.  This
278     * option currently <strong>cannot</strong> be used with
279     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
280     */
281    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
282
283    /**
284     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
285     * application should be considered, until the point where the user actually
286     * wants to use it.  This means that it will not normally show up to the user
287     * (such as in the launcher), but various parts of the user interface can
288     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
289     * the user to select it (as for example an IME, device admin, etc).  Such code,
290     * once the user has selected the app, should at that point also make it enabled.
291     * This option currently <strong>can not</strong> be used with
292     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
293     */
294    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
295
296    /**
297     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
298     * indicate that this package should be installed as forward locked, i.e. only the app itself
299     * should have access to its code and non-resource assets.
300     * @hide
301     */
302    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
303
304    /**
305     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
306     * installed package, if one exists.
307     * @hide
308     */
309    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
310
311    /**
312     * Flag parameter for {@link #installPackage} to indicate that you want to
313     * allow test packages (those that have set android:testOnly in their
314     * manifest) to be installed.
315     * @hide
316     */
317    public static final int INSTALL_ALLOW_TEST = 0x00000004;
318
319    /**
320     * Flag parameter for {@link #installPackage} to indicate that this
321     * package has to be installed on the sdcard.
322     * @hide
323     */
324    public static final int INSTALL_EXTERNAL = 0x00000008;
325
326    /**
327     * Flag parameter for {@link #installPackage} to indicate that this package
328     * has to be installed on the sdcard.
329     * @hide
330     */
331    public static final int INSTALL_INTERNAL = 0x00000010;
332
333    /**
334     * Flag parameter for {@link #installPackage} to indicate that this install
335     * was initiated via ADB.
336     *
337     * @hide
338     */
339    public static final int INSTALL_FROM_ADB = 0x00000020;
340
341    /**
342     * Flag parameter for {@link #installPackage} to indicate that this install
343     * should immediately be visible to all users.
344     *
345     * @hide
346     */
347    public static final int INSTALL_ALL_USERS = 0x00000040;
348
349    /**
350     * Flag parameter for {@link #installPackage} to indicate that it is okay
351     * to install an update to an app where the newly installed app has a lower
352     * version code than the currently installed app.
353     *
354     * @hide
355     */
356    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
357
358    /**
359     * Flag parameter for
360     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
361     * that you don't want to kill the app containing the component.  Be careful when you set this
362     * since changing component states can make the containing application's behavior unpredictable.
363     */
364    public static final int DONT_KILL_APP = 0x00000001;
365
366    /**
367     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
368     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
369     * @hide
370     */
371    public static final int INSTALL_SUCCEEDED = 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 is
376     * already installed.
377     * @hide
378     */
379    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
380
381    /**
382     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
383     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
384     * file is invalid.
385     * @hide
386     */
387    public static final int INSTALL_FAILED_INVALID_APK = -2;
388
389    /**
390     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
391     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
392     * is invalid.
393     * @hide
394     */
395    public static final int INSTALL_FAILED_INVALID_URI = -3;
396
397    /**
398     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
399     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
400     * service found that the device didn't have enough storage space to install the app.
401     * @hide
402     */
403    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
404
405    /**
406     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
407     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
408     * package is already installed with the same name.
409     * @hide
410     */
411    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
412
413    /**
414     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
415     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
416     * the requested shared user does not exist.
417     * @hide
418     */
419    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
420
421    /**
422     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
423     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
424     * a previously installed package of the same name has a different signature
425     * than the new package (and the old package's data was not removed).
426     * @hide
427     */
428    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
429
430    /**
431     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
432     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
433     * the new package is requested a shared user which is already installed on the
434     * device and does not have matching signature.
435     * @hide
436     */
437    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
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_MISSING_SHARED_LIBRARY = -9;
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 uses a shared library that is not available.
451     * @hide
452     */
453    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
454
455    /**
456     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
457     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
458     * the new package failed while optimizing and validating its dex files,
459     * either because there was not enough storage or the validation failed.
460     * @hide
461     */
462    public static final int INSTALL_FAILED_DEXOPT = -11;
463
464    /**
465     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
466     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
467     * the new package failed because the current SDK version is older than
468     * that required by the package.
469     * @hide
470     */
471    public static final int INSTALL_FAILED_OLDER_SDK = -12;
472
473    /**
474     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
475     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
476     * the new package failed because it contains a content provider with the
477     * same authority as a provider already installed in the system.
478     * @hide
479     */
480    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
481
482    /**
483     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
484     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
485     * the new package failed because the current SDK version is newer than
486     * that required by the package.
487     * @hide
488     */
489    public static final int INSTALL_FAILED_NEWER_SDK = -14;
490
491    /**
492     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
493     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
494     * the new package failed because it has specified that it is a test-only
495     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
496     * flag.
497     * @hide
498     */
499    public static final int INSTALL_FAILED_TEST_ONLY = -15;
500
501    /**
502     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
503     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
504     * the package being installed contains native code, but none that is
505     * compatible with the the device's CPU_ABI.
506     * @hide
507     */
508    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
509
510    /**
511     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
512     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
513     * the new package uses a feature that is not available.
514     * @hide
515     */
516    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
517
518    // ------ Errors related to sdcard
519    /**
520     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
521     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
522     * a secure container mount point couldn't be accessed on external media.
523     * @hide
524     */
525    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
526
527    /**
528     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
529     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
530     * the new package couldn't be installed in the specified install
531     * location.
532     * @hide
533     */
534    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
535
536    /**
537     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
538     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
539     * the new package couldn't be installed in the specified install
540     * location because the media is not available.
541     * @hide
542     */
543    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
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 timed out.
549     * @hide
550     */
551    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
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 new package couldn't be installed because the verification did not succeed.
557     * @hide
558     */
559    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
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 package changed from what the calling program expected.
565     * @hide
566     */
567    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
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 is assigned a different UID than it previously held.
573     * @hide
574     */
575    public static final int INSTALL_FAILED_UID_CHANGED = -24;
576
577    /**
578     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
579     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
580     * the new package has an older version code than the currently installed package.
581     * @hide
582     */
583    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
584
585    /**
586     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
587     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
588     * if the parser was given a path that is not a file, or does not end with the expected
589     * '.apk' extension.
590     * @hide
591     */
592    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
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 was unable to retrieve the AndroidManifest.xml file.
598     * @hide
599     */
600    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
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 encountered an unexpected exception.
606     * @hide
607     */
608    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
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 did not find any certificates in the .apk.
614     * @hide
615     */
616    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
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 found inconsistent certificates on the files in the .apk.
622     * @hide
623     */
624    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
625
626    /**
627     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
628     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
629     * if the parser encountered a CertificateEncodingException in one of the
630     * files in the .apk.
631     * @hide
632     */
633    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
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 or missing package name in the manifest.
639     * @hide
640     */
641    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
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 a bad shared user id name in the manifest.
647     * @hide
648     */
649    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
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 encountered some structural problem in the manifest.
655     * @hide
656     */
657    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
658
659    /**
660     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
661     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
662     * if the parser did not find any actionable tags (instrumentation or application)
663     * in the manifest.
664     * @hide
665     */
666    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
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 of system issues.
672     * @hide
673     */
674    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
675
676    /**
677     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
678     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
679     * if the system failed to install the package because the user is restricted from installing
680     * apps.
681     * @hide
682     */
683    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
684
685    /**
686     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
687     * package's data directory.
688     *
689     * @hide
690     */
691    public static final int DELETE_KEEP_DATA = 0x00000001;
692
693    /**
694     * Flag parameter for {@link #deletePackage} to indicate that you want the
695     * package deleted for all users.
696     *
697     * @hide
698     */
699    public static final int DELETE_ALL_USERS = 0x00000002;
700
701    /**
702     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
703     * uninstall on a system that has been updated, then don't do the normal process
704     * of uninstalling the update and rolling back to the older system version (which
705     * needs to happen for all users); instead, just mark the app as uninstalled for
706     * the current user.
707     *
708     * @hide
709     */
710    public static final int DELETE_SYSTEM_APP = 0x00000004;
711
712    /**
713     * Return code for when package deletion succeeds. This is passed to the
714     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
715     * succeeded in deleting the package.
716     *
717     * @hide
718     */
719    public static final int DELETE_SUCCEEDED = 1;
720
721    /**
722     * Deletion failed return code: this is passed to the
723     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
724     * failed to delete the package for an unspecified reason.
725     *
726     * @hide
727     */
728    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
729
730    /**
731     * Deletion failed return code: this is passed to the
732     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
733     * failed to delete the package because it is the active DevicePolicy
734     * manager.
735     *
736     * @hide
737     */
738    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
739
740    /**
741     * Deletion failed return code: this is passed to the
742     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
743     * failed to delete the package since the user is restricted.
744     *
745     * @hide
746     */
747    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
748
749    /**
750     * Return code that is passed to the {@link IPackageMoveObserver} by
751     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
752     * package has been successfully moved by the system.
753     *
754     * @hide
755     */
756    public static final int MOVE_SUCCEEDED = 1;
757    /**
758     * Error code that is passed to the {@link IPackageMoveObserver} by
759     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
760     * when the package hasn't been successfully moved by the system
761     * because of insufficient memory on specified media.
762     * @hide
763     */
764    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
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 doesn't exist.
770     * @hide
771     */
772    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
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 a system package.
778     * @hide
779     */
780    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
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 since its forward locked.
786     * @hide
787     */
788    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
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_INVALID_LOCATION = -5;
797
798    /**
799     * Error code that is passed to the {@link IPackageMoveObserver} by
800     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
801     * if the specified package cannot be moved to the specified location.
802     * @hide
803     */
804    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
805
806    /**
807     * Error code that is passed to the {@link IPackageMoveObserver} by
808     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
809     * specified package already has an operation pending in the
810     * {@link PackageHandler} queue.
811     *
812     * @hide
813     */
814    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
815
816    /**
817     * Flag parameter for {@link #movePackage} to indicate that
818     * the package should be moved to internal storage if its
819     * been installed on external media.
820     * @hide
821     */
822    public static final int MOVE_INTERNAL = 0x00000001;
823
824    /**
825     * Flag parameter for {@link #movePackage} to indicate that
826     * the package should be moved to external media.
827     * @hide
828     */
829    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
830
831    /**
832     * Usable by the required verifier as the {@code verificationCode} argument
833     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
834     * allow the installation to proceed without any of the optional verifiers
835     * needing to vote.
836     *
837     * @hide
838     */
839    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
840
841    /**
842     * Used as the {@code verificationCode} argument for
843     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
844     * package verifier allows the installation to proceed.
845     */
846    public static final int VERIFICATION_ALLOW = 1;
847
848    /**
849     * Used as the {@code verificationCode} argument for
850     * {@link PackageManager#verifyPendingInstall} to indicate the calling
851     * package verifier does not vote to allow the installation to proceed.
852     */
853    public static final int VERIFICATION_REJECT = -1;
854
855    /**
856     * Can be used as the {@code millisecondsToDelay} argument for
857     * {@link PackageManager#extendVerificationTimeout}. This is the
858     * maximum time {@code PackageManager} waits for the verification
859     * agent to return (in milliseconds).
860     */
861    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
862
863    /**
864     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
865     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
866     * lag in sound input or output.
867     */
868    @SdkConstant(SdkConstantType.FEATURE)
869    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
870
871    /**
872     * Feature for {@link #getSystemAvailableFeatures} and
873     * {@link #hasSystemFeature}: The device is capable of communicating with
874     * other devices via Bluetooth.
875     */
876    @SdkConstant(SdkConstantType.FEATURE)
877    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
878
879    /**
880     * Feature for {@link #getSystemAvailableFeatures} and
881     * {@link #hasSystemFeature}: The device is capable of communicating with
882     * other devices via Bluetooth Low Energy radio.
883     */
884    @SdkConstant(SdkConstantType.FEATURE)
885    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
886
887    /**
888     * Feature for {@link #getSystemAvailableFeatures} and
889     * {@link #hasSystemFeature}: The device has a camera facing away
890     * from the screen.
891     */
892    @SdkConstant(SdkConstantType.FEATURE)
893    public static final String FEATURE_CAMERA = "android.hardware.camera";
894
895    /**
896     * Feature for {@link #getSystemAvailableFeatures} and
897     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
898     */
899    @SdkConstant(SdkConstantType.FEATURE)
900    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
901
902    /**
903     * Feature for {@link #getSystemAvailableFeatures} and
904     * {@link #hasSystemFeature}: The device has at least one camera pointing in
905     * some direction.
906     */
907    @SdkConstant(SdkConstantType.FEATURE)
908    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
909
910    /**
911     * Feature for {@link #getSystemAvailableFeatures} and
912     * {@link #hasSystemFeature}: The device's camera supports flash.
913     */
914    @SdkConstant(SdkConstantType.FEATURE)
915    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
916
917    /**
918     * Feature for {@link #getSystemAvailableFeatures} and
919     * {@link #hasSystemFeature}: The device has a front facing camera.
920     */
921    @SdkConstant(SdkConstantType.FEATURE)
922    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
923
924    /**
925     * Feature for {@link #getSystemAvailableFeatures} and
926     * {@link #hasSystemFeature}: The device is capable of communicating with
927     * consumer IR devices.
928     */
929    @SdkConstant(SdkConstantType.FEATURE)
930    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
931
932    /**
933     * Feature for {@link #getSystemAvailableFeatures} and
934     * {@link #hasSystemFeature}: The device supports one or more methods of
935     * reporting current location.
936     */
937    @SdkConstant(SdkConstantType.FEATURE)
938    public static final String FEATURE_LOCATION = "android.hardware.location";
939
940    /**
941     * Feature for {@link #getSystemAvailableFeatures} and
942     * {@link #hasSystemFeature}: The device has a Global Positioning System
943     * receiver and can report precise location.
944     */
945    @SdkConstant(SdkConstantType.FEATURE)
946    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
947
948    /**
949     * Feature for {@link #getSystemAvailableFeatures} and
950     * {@link #hasSystemFeature}: The device can report location with coarse
951     * accuracy using a network-based geolocation system.
952     */
953    @SdkConstant(SdkConstantType.FEATURE)
954    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
955
956    /**
957     * Feature for {@link #getSystemAvailableFeatures} and
958     * {@link #hasSystemFeature}: The device can record audio via a
959     * microphone.
960     */
961    @SdkConstant(SdkConstantType.FEATURE)
962    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
963
964    /**
965     * Feature for {@link #getSystemAvailableFeatures} and
966     * {@link #hasSystemFeature}: The device can communicate using Near-Field
967     * Communications (NFC).
968     */
969    @SdkConstant(SdkConstantType.FEATURE)
970    public static final String FEATURE_NFC = "android.hardware.nfc";
971
972    /**
973     * Feature for {@link #getSystemAvailableFeatures} and
974     * {@link #hasSystemFeature}: The device supports host-
975     * based NFC card emulation.
976     *
977     * TODO remove when depending apps have moved to new constant.
978     * @hide
979     * @deprecated
980     */
981    @SdkConstant(SdkConstantType.FEATURE)
982    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
983
984    /**
985     * Feature for {@link #getSystemAvailableFeatures} and
986     * {@link #hasSystemFeature}: The device supports host-
987     * based NFC card emulation.
988     */
989    @SdkConstant(SdkConstantType.FEATURE)
990    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
991
992    /**
993     * Feature for {@link #getSystemAvailableFeatures} and
994     * {@link #hasSystemFeature}: The device includes an accelerometer.
995     */
996    @SdkConstant(SdkConstantType.FEATURE)
997    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
998
999    /**
1000     * Feature for {@link #getSystemAvailableFeatures} and
1001     * {@link #hasSystemFeature}: The device includes a barometer (air
1002     * pressure sensor.)
1003     */
1004    @SdkConstant(SdkConstantType.FEATURE)
1005    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1006
1007    /**
1008     * Feature for {@link #getSystemAvailableFeatures} and
1009     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1010     */
1011    @SdkConstant(SdkConstantType.FEATURE)
1012    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1013
1014    /**
1015     * Feature for {@link #getSystemAvailableFeatures} and
1016     * {@link #hasSystemFeature}: The device includes a gyroscope.
1017     */
1018    @SdkConstant(SdkConstantType.FEATURE)
1019    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1020
1021    /**
1022     * Feature for {@link #getSystemAvailableFeatures} and
1023     * {@link #hasSystemFeature}: The device includes a light sensor.
1024     */
1025    @SdkConstant(SdkConstantType.FEATURE)
1026    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1027
1028    /**
1029     * Feature for {@link #getSystemAvailableFeatures} and
1030     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1031     */
1032    @SdkConstant(SdkConstantType.FEATURE)
1033    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1034
1035    /**
1036     * Feature for {@link #getSystemAvailableFeatures} and
1037     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1038     */
1039    @SdkConstant(SdkConstantType.FEATURE)
1040    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1041
1042    /**
1043     * Feature for {@link #getSystemAvailableFeatures} and
1044     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1045     */
1046    @SdkConstant(SdkConstantType.FEATURE)
1047    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1048
1049    /**
1050     * Feature for {@link #getSystemAvailableFeatures} and
1051     * {@link #hasSystemFeature}: The device has a telephony radio with data
1052     * communication support.
1053     */
1054    @SdkConstant(SdkConstantType.FEATURE)
1055    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1056
1057    /**
1058     * Feature for {@link #getSystemAvailableFeatures} and
1059     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1060     */
1061    @SdkConstant(SdkConstantType.FEATURE)
1062    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1063
1064    /**
1065     * Feature for {@link #getSystemAvailableFeatures} and
1066     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1067     */
1068    @SdkConstant(SdkConstantType.FEATURE)
1069    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1070
1071    /**
1072     * Feature for {@link #getSystemAvailableFeatures} and
1073     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1074     * as the USB host.
1075     */
1076    @SdkConstant(SdkConstantType.FEATURE)
1077    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1078
1079    /**
1080     * Feature for {@link #getSystemAvailableFeatures} and
1081     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1082     */
1083    @SdkConstant(SdkConstantType.FEATURE)
1084    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1085
1086    /**
1087     * Feature for {@link #getSystemAvailableFeatures} and
1088     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1089     */
1090    @SdkConstant(SdkConstantType.FEATURE)
1091    public static final String FEATURE_SIP = "android.software.sip";
1092
1093    /**
1094     * Feature for {@link #getSystemAvailableFeatures} and
1095     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1096     */
1097    @SdkConstant(SdkConstantType.FEATURE)
1098    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1099
1100    /**
1101     * Feature for {@link #getSystemAvailableFeatures} and
1102     * {@link #hasSystemFeature}: The device's display has a touch screen.
1103     */
1104    @SdkConstant(SdkConstantType.FEATURE)
1105    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1106
1107
1108    /**
1109     * Feature for {@link #getSystemAvailableFeatures} and
1110     * {@link #hasSystemFeature}: The device's touch screen supports
1111     * multitouch sufficient for basic two-finger gesture detection.
1112     */
1113    @SdkConstant(SdkConstantType.FEATURE)
1114    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1115
1116    /**
1117     * Feature for {@link #getSystemAvailableFeatures} and
1118     * {@link #hasSystemFeature}: The device's touch screen is capable of
1119     * tracking two or more fingers fully independently.
1120     */
1121    @SdkConstant(SdkConstantType.FEATURE)
1122    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1123
1124    /**
1125     * Feature for {@link #getSystemAvailableFeatures} and
1126     * {@link #hasSystemFeature}: The device's touch screen is capable of
1127     * tracking a full hand of fingers fully independently -- that is, 5 or
1128     * more simultaneous independent pointers.
1129     */
1130    @SdkConstant(SdkConstantType.FEATURE)
1131    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1132
1133    /**
1134     * Feature for {@link #getSystemAvailableFeatures} and
1135     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1136     * does support touch emulation for basic events. For instance, the
1137     * device might use a mouse or remote control to drive a cursor, and
1138     * emulate basic touch pointer events like down, up, drag, etc. All
1139     * devices that support android.hardware.touchscreen or a sub-feature are
1140     * presumed to also support faketouch.
1141     */
1142    @SdkConstant(SdkConstantType.FEATURE)
1143    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1144
1145    /**
1146     * Feature for {@link #getSystemAvailableFeatures} and
1147     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1148     * does support touch emulation for basic events that supports distinct
1149     * tracking of two or more fingers.  This is an extension of
1150     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1151     * that unlike a distinct multitouch screen as defined by
1152     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1153     * devices will not actually provide full two-finger gestures since the
1154     * input is being transformed to cursor movement on the screen.  That is,
1155     * single finger gestures will move a cursor; two-finger swipes will
1156     * result in single-finger touch events; other two-finger gestures will
1157     * result in the corresponding two-finger touch event.
1158     */
1159    @SdkConstant(SdkConstantType.FEATURE)
1160    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1161
1162    /**
1163     * Feature for {@link #getSystemAvailableFeatures} and
1164     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1165     * does support touch emulation for basic events that supports tracking
1166     * a hand of fingers (5 or more fingers) fully independently.
1167     * This is an extension of
1168     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1169     * that unlike a multitouch screen as defined by
1170     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1171     * gestures can be detected due to the limitations described for
1172     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1173     */
1174    @SdkConstant(SdkConstantType.FEATURE)
1175    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1176
1177    /**
1178     * Feature for {@link #getSystemAvailableFeatures} and
1179     * {@link #hasSystemFeature}: The device supports portrait orientation
1180     * screens.  For backwards compatibility, you can assume that if neither
1181     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1182     * both portrait and landscape.
1183     */
1184    @SdkConstant(SdkConstantType.FEATURE)
1185    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1186
1187    /**
1188     * Feature for {@link #getSystemAvailableFeatures} and
1189     * {@link #hasSystemFeature}: The device supports landscape orientation
1190     * screens.  For backwards compatibility, you can assume that if neither
1191     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1192     * both portrait and landscape.
1193     */
1194    @SdkConstant(SdkConstantType.FEATURE)
1195    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1196
1197    /**
1198     * Feature for {@link #getSystemAvailableFeatures} and
1199     * {@link #hasSystemFeature}: The device supports live wallpapers.
1200     */
1201    @SdkConstant(SdkConstantType.FEATURE)
1202    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1203
1204    /**
1205     * Feature for {@link #getSystemAvailableFeatures} and
1206     * {@link #hasSystemFeature}: The device supports app widgets.
1207     */
1208    @SdkConstant(SdkConstantType.FEATURE)
1209    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1210
1211    /**
1212     * Feature for {@link #getSystemAvailableFeatures} and
1213     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1214     * by third party applications.
1215     */
1216    @SdkConstant(SdkConstantType.FEATURE)
1217    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1218
1219    /**
1220     * Feature for {@link #getSystemAvailableFeatures} and
1221     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1222     * with the {@link android.inputmethodservice.InputMethodService} API.
1223     */
1224    @SdkConstant(SdkConstantType.FEATURE)
1225    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1226
1227    /**
1228     * Feature for {@link #getSystemAvailableFeatures} and
1229     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1230     */
1231    @SdkConstant(SdkConstantType.FEATURE)
1232    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1233
1234    /**
1235     * Feature for {@link #getSystemAvailableFeatures} and
1236     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1237     */
1238    @SdkConstant(SdkConstantType.FEATURE)
1239    public static final String FEATURE_WIFI = "android.hardware.wifi";
1240
1241    /**
1242     * Feature for {@link #getSystemAvailableFeatures} and
1243     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1244     */
1245    @SdkConstant(SdkConstantType.FEATURE)
1246    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1247
1248    /**
1249     * Feature for {@link #getSystemAvailableFeatures} and
1250     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1251     * on a television.  Television here is defined to be a typical living
1252     * room television experience: displayed on a big screen, where the user
1253     * is sitting far away from it, and the dominant form of input will be
1254     * something like a DPAD, not through touch or mouse.
1255     */
1256    @SdkConstant(SdkConstantType.FEATURE)
1257    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1258
1259    /**
1260     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1261     * The device supports printing.
1262     */
1263    @SdkConstant(SdkConstantType.FEATURE)
1264    public static final String FEATURE_PRINTING = "android.software.print";
1265
1266    /**
1267     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1268     * The device can perform backup and restore operations on installed applications.
1269     */
1270    @SdkConstant(SdkConstantType.FEATURE)
1271    public static final String FEATURE_BACKUP = "android.software.backup";
1272
1273    /**
1274     * Action to external storage service to clean out removed apps.
1275     * @hide
1276     */
1277    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1278            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1279
1280    /**
1281     * Extra field name for the URI to a verification file. Passed to a package
1282     * verifier.
1283     *
1284     * @hide
1285     */
1286    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1287
1288    /**
1289     * Extra field name for the ID of a package pending verification. Passed to
1290     * a package verifier and is used to call back to
1291     * {@link PackageManager#verifyPendingInstall(int, int)}
1292     */
1293    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1294
1295    /**
1296     * Extra field name for the package identifier which is trying to install
1297     * the package.
1298     *
1299     * @hide
1300     */
1301    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1302            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1303
1304    /**
1305     * Extra field name for the requested install flags for a package pending
1306     * verification. Passed to a package verifier.
1307     *
1308     * @hide
1309     */
1310    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1311            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1312
1313    /**
1314     * Extra field name for the uid of who is requesting to install
1315     * the package.
1316     *
1317     * @hide
1318     */
1319    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1320            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1321
1322    /**
1323     * Extra field name for the package name of a package pending verification.
1324     *
1325     * @hide
1326     */
1327    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1328            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1329    /**
1330     * Extra field name for the result of a verification, either
1331     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1332     * Passed to package verifiers after a package is verified.
1333     */
1334    public static final String EXTRA_VERIFICATION_RESULT
1335            = "android.content.pm.extra.VERIFICATION_RESULT";
1336
1337    /**
1338     * Extra field name for the version code of a package pending verification.
1339     *
1340     * @hide
1341     */
1342    public static final String EXTRA_VERIFICATION_VERSION_CODE
1343            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1344
1345    /**
1346     * The action used to request that the user approve a permission request
1347     * from the application.
1348     *
1349     * @hide
1350     */
1351    public static final String ACTION_REQUEST_PERMISSION
1352            = "android.content.pm.action.REQUEST_PERMISSION";
1353
1354    /**
1355     * Extra field name for the list of permissions, which the user must approve.
1356     *
1357     * @hide
1358     */
1359    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1360            = "android.content.pm.extra.PERMISSION_LIST";
1361
1362    /**
1363     * Retrieve overall information about an application package that is
1364     * installed on the system.
1365     * <p>
1366     * Throws {@link NameNotFoundException} if a package with the given name can
1367     * not be found on the system.
1368     *
1369     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1370     *            desired package.
1371     * @param flags Additional option flags. Use any combination of
1372     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1373     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1374     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1375     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1376     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1377     *            modify the data returned.
1378     * @return Returns a PackageInfo object containing information about the
1379     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1380     *         package is not found in the list of installed applications, the
1381     *         package information is retrieved from the list of uninstalled
1382     *         applications (which includes installed applications as well as
1383     *         applications with data directory i.e. applications which had been
1384     *         deleted with {@code DONT_DELETE_DATA} flag set).
1385     * @see #GET_ACTIVITIES
1386     * @see #GET_GIDS
1387     * @see #GET_CONFIGURATIONS
1388     * @see #GET_INSTRUMENTATION
1389     * @see #GET_PERMISSIONS
1390     * @see #GET_PROVIDERS
1391     * @see #GET_RECEIVERS
1392     * @see #GET_SERVICES
1393     * @see #GET_SIGNATURES
1394     * @see #GET_UNINSTALLED_PACKAGES
1395     */
1396    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1397            throws NameNotFoundException;
1398
1399    /**
1400     * Map from the current package names in use on the device to whatever
1401     * the current canonical name of that package is.
1402     * @param names Array of current names to be mapped.
1403     * @return Returns an array of the same size as the original, containing
1404     * the canonical name for each package.
1405     */
1406    public abstract String[] currentToCanonicalPackageNames(String[] names);
1407
1408    /**
1409     * Map from a packages canonical name to the current name in use on the device.
1410     * @param names Array of new names to be mapped.
1411     * @return Returns an array of the same size as the original, containing
1412     * the current name for each package.
1413     */
1414    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1415
1416    /**
1417     * Return a "good" intent to launch a front-door activity in a package,
1418     * for use for example to implement an "open" button when browsing through
1419     * packages.  The current implementation will look first for a main
1420     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1421     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1422     * null if neither are found.
1423     *
1424     * <p>Throws {@link NameNotFoundException} if a package with the given
1425     * name cannot be found on the system.
1426     *
1427     * @param packageName The name of the package to inspect.
1428     *
1429     * @return Returns either a fully-qualified Intent that can be used to
1430     * launch the main activity in the package, or null if the package does
1431     * not contain such an activity.
1432     */
1433    public abstract Intent getLaunchIntentForPackage(String packageName);
1434
1435    /**
1436     * Return an array of all of the secondary group-ids that have been
1437     * assigned to a package.
1438     *
1439     * <p>Throws {@link NameNotFoundException} if a package with the given
1440     * name cannot be found on the system.
1441     *
1442     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1443     *                    desired package.
1444     *
1445     * @return Returns an int array of the assigned gids, or null if there
1446     * are none.
1447     */
1448    public abstract int[] getPackageGids(String packageName)
1449            throws NameNotFoundException;
1450
1451    /**
1452     * @hide Return the uid associated with the given package name for the
1453     * given user.
1454     *
1455     * <p>Throws {@link NameNotFoundException} if a package with the given
1456     * name can not be found on the system.
1457     *
1458     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1459     *                    desired package.
1460     * @param userHandle The user handle identifier to look up the package under.
1461     *
1462     * @return Returns an integer uid who owns the given package name.
1463     */
1464    public abstract int getPackageUid(String packageName, int userHandle)
1465            throws NameNotFoundException;
1466
1467    /**
1468     * Retrieve all of the information we know about a particular permission.
1469     *
1470     * <p>Throws {@link NameNotFoundException} if a permission with the given
1471     * name cannot be found on the system.
1472     *
1473     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1474     *             of the permission you are interested in.
1475     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1476     * retrieve any meta-data associated with the permission.
1477     *
1478     * @return Returns a {@link PermissionInfo} containing information about the
1479     *         permission.
1480     */
1481    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1482            throws NameNotFoundException;
1483
1484    /**
1485     * Query for all of the permissions associated with a particular group.
1486     *
1487     * <p>Throws {@link NameNotFoundException} if the given group does not
1488     * exist.
1489     *
1490     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1491     *             of the permission group you are interested in.  Use null to
1492     *             find all of the permissions not associated with a group.
1493     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1494     * retrieve any meta-data associated with the permissions.
1495     *
1496     * @return Returns a list of {@link PermissionInfo} containing information
1497     * about all of the permissions in the given group.
1498     */
1499    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1500            int flags) throws NameNotFoundException;
1501
1502    /**
1503     * Retrieve all of the information we know about a particular group of
1504     * permissions.
1505     *
1506     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1507     * name cannot be found on the system.
1508     *
1509     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1510     *             of the permission you are interested in.
1511     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1512     * retrieve any meta-data associated with the permission group.
1513     *
1514     * @return Returns a {@link PermissionGroupInfo} containing information
1515     * about the permission.
1516     */
1517    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1518            int flags) throws NameNotFoundException;
1519
1520    /**
1521     * Retrieve all of the known permission groups in the system.
1522     *
1523     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1524     * retrieve any meta-data associated with the permission group.
1525     *
1526     * @return Returns a list of {@link PermissionGroupInfo} containing
1527     * information about all of the known permission groups.
1528     */
1529    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1530
1531    /**
1532     * Retrieve all of the information we know about a particular
1533     * package/application.
1534     *
1535     * <p>Throws {@link NameNotFoundException} if an application with the given
1536     * package name cannot be found on the system.
1537     *
1538     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1539     *                    application.
1540     * @param flags Additional option flags. Use any combination of
1541     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1542     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1543     *
1544     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1545     *         information about the package.
1546     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1547     *         found in the list of installed applications,
1548     *         the application information is retrieved from the
1549     *         list of uninstalled applications(which includes
1550     *         installed applications as well as applications
1551     *         with data directory ie applications which had been
1552     *         deleted with {@code DONT_DELETE_DATA} flag set).
1553     *
1554     * @see #GET_META_DATA
1555     * @see #GET_SHARED_LIBRARY_FILES
1556     * @see #GET_UNINSTALLED_PACKAGES
1557     */
1558    public abstract ApplicationInfo getApplicationInfo(String packageName,
1559            int flags) throws NameNotFoundException;
1560
1561    /**
1562     * Retrieve all of the information we know about a particular activity
1563     * class.
1564     *
1565     * <p>Throws {@link NameNotFoundException} if an activity with the given
1566     * class name cannot be found on the system.
1567     *
1568     * @param component The full component name (i.e.
1569     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1570     * class.
1571     * @param flags Additional option flags. Use any combination of
1572     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1573     * to modify the data (in ApplicationInfo) returned.
1574     *
1575     * @return {@link ActivityInfo} containing information about the activity.
1576     *
1577     * @see #GET_INTENT_FILTERS
1578     * @see #GET_META_DATA
1579     * @see #GET_SHARED_LIBRARY_FILES
1580     */
1581    public abstract ActivityInfo getActivityInfo(ComponentName component,
1582            int flags) throws NameNotFoundException;
1583
1584    /**
1585     * Retrieve all of the information we know about a particular receiver
1586     * class.
1587     *
1588     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1589     * class name cannot be found on the system.
1590     *
1591     * @param component The full component name (i.e.
1592     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1593     * class.
1594     * @param flags Additional option flags.  Use any combination of
1595     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1596     * to modify the data returned.
1597     *
1598     * @return {@link ActivityInfo} containing information about the receiver.
1599     *
1600     * @see #GET_INTENT_FILTERS
1601     * @see #GET_META_DATA
1602     * @see #GET_SHARED_LIBRARY_FILES
1603     */
1604    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1605            int flags) throws NameNotFoundException;
1606
1607    /**
1608     * Retrieve all of the information we know about a particular service
1609     * class.
1610     *
1611     * <p>Throws {@link NameNotFoundException} if a service with the given
1612     * class name cannot be found on the system.
1613     *
1614     * @param component The full component name (i.e.
1615     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1616     * class.
1617     * @param flags Additional option flags.  Use any combination of
1618     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1619     * to modify the data returned.
1620     *
1621     * @return ServiceInfo containing information about the service.
1622     *
1623     * @see #GET_META_DATA
1624     * @see #GET_SHARED_LIBRARY_FILES
1625     */
1626    public abstract ServiceInfo getServiceInfo(ComponentName component,
1627            int flags) throws NameNotFoundException;
1628
1629    /**
1630     * Retrieve all of the information we know about a particular content
1631     * provider class.
1632     *
1633     * <p>Throws {@link NameNotFoundException} if a provider with the given
1634     * class name cannot be found on the system.
1635     *
1636     * @param component The full component name (i.e.
1637     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1638     * ContentProvider class.
1639     * @param flags Additional option flags.  Use any combination of
1640     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1641     * to modify the data returned.
1642     *
1643     * @return ProviderInfo containing information about the service.
1644     *
1645     * @see #GET_META_DATA
1646     * @see #GET_SHARED_LIBRARY_FILES
1647     */
1648    public abstract ProviderInfo getProviderInfo(ComponentName component,
1649            int flags) throws NameNotFoundException;
1650
1651    /**
1652     * Return a List of all packages that are installed
1653     * on the device.
1654     *
1655     * @param flags Additional option flags. Use any combination of
1656     * {@link #GET_ACTIVITIES},
1657     * {@link #GET_GIDS},
1658     * {@link #GET_CONFIGURATIONS},
1659     * {@link #GET_INSTRUMENTATION},
1660     * {@link #GET_PERMISSIONS},
1661     * {@link #GET_PROVIDERS},
1662     * {@link #GET_RECEIVERS},
1663     * {@link #GET_SERVICES},
1664     * {@link #GET_SIGNATURES},
1665     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1666     *
1667     * @return A List of PackageInfo objects, one for each package that is
1668     *         installed on the device.  In the unlikely case of there being no
1669     *         installed packages, an empty list is returned.
1670     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1671     *         applications including those deleted with {@code DONT_DELETE_DATA}
1672     *         (partially installed apps with data directory) will be returned.
1673     *
1674     * @see #GET_ACTIVITIES
1675     * @see #GET_GIDS
1676     * @see #GET_CONFIGURATIONS
1677     * @see #GET_INSTRUMENTATION
1678     * @see #GET_PERMISSIONS
1679     * @see #GET_PROVIDERS
1680     * @see #GET_RECEIVERS
1681     * @see #GET_SERVICES
1682     * @see #GET_SIGNATURES
1683     * @see #GET_UNINSTALLED_PACKAGES
1684     */
1685    public abstract List<PackageInfo> getInstalledPackages(int flags);
1686
1687    /**
1688     * Return a List of all installed packages that are currently
1689     * holding any of the given permissions.
1690     *
1691     * @param flags Additional option flags. Use any combination of
1692     * {@link #GET_ACTIVITIES},
1693     * {@link #GET_GIDS},
1694     * {@link #GET_CONFIGURATIONS},
1695     * {@link #GET_INSTRUMENTATION},
1696     * {@link #GET_PERMISSIONS},
1697     * {@link #GET_PROVIDERS},
1698     * {@link #GET_RECEIVERS},
1699     * {@link #GET_SERVICES},
1700     * {@link #GET_SIGNATURES},
1701     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1702     *
1703     * @return Returns a List of PackageInfo objects, one for each installed
1704     * application that is holding any of the permissions that were provided.
1705     *
1706     * @see #GET_ACTIVITIES
1707     * @see #GET_GIDS
1708     * @see #GET_CONFIGURATIONS
1709     * @see #GET_INSTRUMENTATION
1710     * @see #GET_PERMISSIONS
1711     * @see #GET_PROVIDERS
1712     * @see #GET_RECEIVERS
1713     * @see #GET_SERVICES
1714     * @see #GET_SIGNATURES
1715     * @see #GET_UNINSTALLED_PACKAGES
1716     */
1717    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1718            String[] permissions, int flags);
1719
1720    /**
1721     * Return a List of all packages that are installed on the device, for a specific user.
1722     * Requesting a list of installed packages for another user
1723     * will require the permission INTERACT_ACROSS_USERS_FULL.
1724     * @param flags Additional option flags. Use any combination of
1725     * {@link #GET_ACTIVITIES},
1726     * {@link #GET_GIDS},
1727     * {@link #GET_CONFIGURATIONS},
1728     * {@link #GET_INSTRUMENTATION},
1729     * {@link #GET_PERMISSIONS},
1730     * {@link #GET_PROVIDERS},
1731     * {@link #GET_RECEIVERS},
1732     * {@link #GET_SERVICES},
1733     * {@link #GET_SIGNATURES},
1734     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1735     * @param userId The user for whom the installed packages are to be listed
1736     *
1737     * @return A List of PackageInfo objects, one for each package that is
1738     *         installed on the device.  In the unlikely case of there being no
1739     *         installed packages, an empty list is returned.
1740     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1741     *         applications including those deleted with {@code DONT_DELETE_DATA}
1742     *         (partially installed apps with data directory) will be returned.
1743     *
1744     * @see #GET_ACTIVITIES
1745     * @see #GET_GIDS
1746     * @see #GET_CONFIGURATIONS
1747     * @see #GET_INSTRUMENTATION
1748     * @see #GET_PERMISSIONS
1749     * @see #GET_PROVIDERS
1750     * @see #GET_RECEIVERS
1751     * @see #GET_SERVICES
1752     * @see #GET_SIGNATURES
1753     * @see #GET_UNINSTALLED_PACKAGES
1754     *
1755     * @hide
1756     */
1757    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1758
1759    /**
1760     * Check whether a particular package has been granted a particular
1761     * permission.
1762     *
1763     * @param permName The name of the permission you are checking for,
1764     * @param pkgName The name of the package you are checking against.
1765     *
1766     * @return If the package has the permission, PERMISSION_GRANTED is
1767     * returned.  If it does not have the permission, PERMISSION_DENIED
1768     * is returned.
1769     *
1770     * @see #PERMISSION_GRANTED
1771     * @see #PERMISSION_DENIED
1772     */
1773    public abstract int checkPermission(String permName, String pkgName);
1774
1775    /**
1776     * Add a new dynamic permission to the system.  For this to work, your
1777     * package must have defined a permission tree through the
1778     * {@link android.R.styleable#AndroidManifestPermissionTree
1779     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1780     * permissions to trees that were defined by either its own package or
1781     * another with the same user id; a permission is in a tree if it
1782     * matches the name of the permission tree + ".": for example,
1783     * "com.foo.bar" is a member of the permission tree "com.foo".
1784     *
1785     * <p>It is good to make your permission tree name descriptive, because you
1786     * are taking possession of that entire set of permission names.  Thus, it
1787     * must be under a domain you control, with a suffix that will not match
1788     * any normal permissions that may be declared in any applications that
1789     * are part of that domain.
1790     *
1791     * <p>New permissions must be added before
1792     * any .apks are installed that use those permissions.  Permissions you
1793     * add through this method are remembered across reboots of the device.
1794     * If the given permission already exists, the info you supply here
1795     * will be used to update it.
1796     *
1797     * @param info Description of the permission to be added.
1798     *
1799     * @return Returns true if a new permission was created, false if an
1800     * existing one was updated.
1801     *
1802     * @throws SecurityException if you are not allowed to add the
1803     * given permission name.
1804     *
1805     * @see #removePermission(String)
1806     */
1807    public abstract boolean addPermission(PermissionInfo info);
1808
1809    /**
1810     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1811     * persists the package manager state after returning from the call,
1812     * allowing it to return quicker and batch a series of adds at the
1813     * expense of no guarantee the added permission will be retained if
1814     * the device is rebooted before it is written.
1815     */
1816    public abstract boolean addPermissionAsync(PermissionInfo info);
1817
1818    /**
1819     * Removes a permission that was previously added with
1820     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1821     * -- you are only allowed to remove permissions that you are allowed
1822     * to add.
1823     *
1824     * @param name The name of the permission to remove.
1825     *
1826     * @throws SecurityException if you are not allowed to remove the
1827     * given permission name.
1828     *
1829     * @see #addPermission(PermissionInfo)
1830     */
1831    public abstract void removePermission(String name);
1832
1833    /**
1834     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1835     * which prompts the user to grant {@code permissions} to this application.
1836     * @hide
1837     *
1838     * @throws NullPointerException if {@code permissions} is {@code null}.
1839     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1840     */
1841    public Intent buildPermissionRequestIntent(String... permissions) {
1842        if (permissions == null) {
1843            throw new NullPointerException("permissions cannot be null");
1844        }
1845        for (String permission : permissions) {
1846            if (permission == null) {
1847                throw new IllegalArgumentException("permissions cannot contain null");
1848            }
1849        }
1850
1851        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1852        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1853        i.setPackage("com.android.packageinstaller");
1854        return i;
1855    }
1856
1857    /**
1858     * Grant a permission to an application which the application does not
1859     * already have.  The permission must have been requested by the application,
1860     * but as an optional permission.  If the application is not allowed to
1861     * hold the permission, a SecurityException is thrown.
1862     * @hide
1863     *
1864     * @param packageName The name of the package that the permission will be
1865     * granted to.
1866     * @param permissionName The name of the permission.
1867     */
1868    public abstract void grantPermission(String packageName, String permissionName);
1869
1870    /**
1871     * Revoke a permission that was previously granted by {@link #grantPermission}.
1872     * @hide
1873     *
1874     * @param packageName The name of the package that the permission will be
1875     * granted to.
1876     * @param permissionName The name of the permission.
1877     */
1878    public abstract void revokePermission(String packageName, String permissionName);
1879
1880    /**
1881     * Compare the signatures of two packages to determine if the same
1882     * signature appears in both of them.  If they do contain the same
1883     * signature, then they are allowed special privileges when working
1884     * with each other: they can share the same user-id, run instrumentation
1885     * against each other, etc.
1886     *
1887     * @param pkg1 First package name whose signature will be compared.
1888     * @param pkg2 Second package name whose signature will be compared.
1889     *
1890     * @return Returns an integer indicating whether all signatures on the
1891     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1892     * all signatures match or < 0 if there is not a match ({@link
1893     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1894     *
1895     * @see #checkSignatures(int, int)
1896     * @see #SIGNATURE_MATCH
1897     * @see #SIGNATURE_NO_MATCH
1898     * @see #SIGNATURE_UNKNOWN_PACKAGE
1899     */
1900    public abstract int checkSignatures(String pkg1, String pkg2);
1901
1902    /**
1903     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1904     * the two packages to be checked.  This can be useful, for example,
1905     * when doing the check in an IPC, where the UID is the only identity
1906     * available.  It is functionally identical to determining the package
1907     * associated with the UIDs and checking their signatures.
1908     *
1909     * @param uid1 First UID whose signature will be compared.
1910     * @param uid2 Second UID whose signature will be compared.
1911     *
1912     * @return Returns an integer indicating whether all signatures on the
1913     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1914     * all signatures match or < 0 if there is not a match ({@link
1915     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1916     *
1917     * @see #checkSignatures(String, String)
1918     * @see #SIGNATURE_MATCH
1919     * @see #SIGNATURE_NO_MATCH
1920     * @see #SIGNATURE_UNKNOWN_PACKAGE
1921     */
1922    public abstract int checkSignatures(int uid1, int uid2);
1923
1924    /**
1925     * Retrieve the names of all packages that are associated with a particular
1926     * user id.  In most cases, this will be a single package name, the package
1927     * that has been assigned that user id.  Where there are multiple packages
1928     * sharing the same user id through the "sharedUserId" mechanism, all
1929     * packages with that id will be returned.
1930     *
1931     * @param uid The user id for which you would like to retrieve the
1932     * associated packages.
1933     *
1934     * @return Returns an array of one or more packages assigned to the user
1935     * id, or null if there are no known packages with the given id.
1936     */
1937    public abstract String[] getPackagesForUid(int uid);
1938
1939    /**
1940     * Retrieve the official name associated with a user id.  This name is
1941     * guaranteed to never change, though it is possibly for the underlying
1942     * user id to be changed.  That is, if you are storing information about
1943     * user ids in persistent storage, you should use the string returned
1944     * by this function instead of the raw user-id.
1945     *
1946     * @param uid The user id for which you would like to retrieve a name.
1947     * @return Returns a unique name for the given user id, or null if the
1948     * user id is not currently assigned.
1949     */
1950    public abstract String getNameForUid(int uid);
1951
1952    /**
1953     * Return the user id associated with a shared user name. Multiple
1954     * applications can specify a shared user name in their manifest and thus
1955     * end up using a common uid. This might be used for new applications
1956     * that use an existing shared user name and need to know the uid of the
1957     * shared user.
1958     *
1959     * @param sharedUserName The shared user name whose uid is to be retrieved.
1960     * @return Returns the uid associated with the shared user, or  NameNotFoundException
1961     * if the shared user name is not being used by any installed packages
1962     * @hide
1963     */
1964    public abstract int getUidForSharedUser(String sharedUserName)
1965            throws NameNotFoundException;
1966
1967    /**
1968     * Return a List of all application packages that are installed on the
1969     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
1970     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
1971     * installed apps with data directory) will be returned.
1972     *
1973     * @param flags Additional option flags. Use any combination of
1974     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1975     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1976     *
1977     * @return Returns a List of ApplicationInfo objects, one for each application that
1978     *         is installed on the device.  In the unlikely case of there being
1979     *         no installed applications, an empty list is returned.
1980     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1981     *         applications including those deleted with {@code DONT_DELETE_DATA}
1982     *         (partially installed apps with data directory) will be returned.
1983     *
1984     * @see #GET_META_DATA
1985     * @see #GET_SHARED_LIBRARY_FILES
1986     * @see #GET_UNINSTALLED_PACKAGES
1987     */
1988    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
1989
1990    /**
1991     * Get a list of shared libraries that are available on the
1992     * system.
1993     *
1994     * @return An array of shared library names that are
1995     * available on the system, or null if none are installed.
1996     *
1997     */
1998    public abstract String[] getSystemSharedLibraryNames();
1999
2000    /**
2001     * Get a list of features that are available on the
2002     * system.
2003     *
2004     * @return An array of FeatureInfo classes describing the features
2005     * that are available on the system, or null if there are none(!!).
2006     */
2007    public abstract FeatureInfo[] getSystemAvailableFeatures();
2008
2009    /**
2010     * Check whether the given feature name is one of the available
2011     * features as returned by {@link #getSystemAvailableFeatures()}.
2012     *
2013     * @return Returns true if the devices supports the feature, else
2014     * false.
2015     */
2016    public abstract boolean hasSystemFeature(String name);
2017
2018    /**
2019     * Determine the best action to perform for a given Intent.  This is how
2020     * {@link Intent#resolveActivity} finds an activity if a class has not
2021     * been explicitly specified.
2022     *
2023     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2024     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2025     * only flag.  You need to do so to resolve the activity in the same way
2026     * that {@link android.content.Context#startActivity(Intent)} and
2027     * {@link android.content.Intent#resolveActivity(PackageManager)
2028     * Intent.resolveActivity(PackageManager)} do.</p>
2029     *
2030     * @param intent An intent containing all of the desired specification
2031     *               (action, data, type, category, and/or component).
2032     * @param flags Additional option flags.  The most important is
2033     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2034     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2035     *
2036     * @return Returns a ResolveInfo containing the final activity intent that
2037     *         was determined to be the best action.  Returns null if no
2038     *         matching activity was found. If multiple matching activities are
2039     *         found and there is no default set, returns a ResolveInfo
2040     *         containing something else, such as the activity resolver.
2041     *
2042     * @see #MATCH_DEFAULT_ONLY
2043     * @see #GET_INTENT_FILTERS
2044     * @see #GET_RESOLVED_FILTER
2045     */
2046    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2047
2048    /**
2049     * Determine the best action to perform for a given Intent for a given user. This
2050     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2051     * been explicitly specified.
2052     *
2053     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2054     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2055     * only flag.  You need to do so to resolve the activity in the same way
2056     * that {@link android.content.Context#startActivity(Intent)} and
2057     * {@link android.content.Intent#resolveActivity(PackageManager)
2058     * Intent.resolveActivity(PackageManager)} do.</p>
2059     *
2060     * @param intent An intent containing all of the desired specification
2061     *               (action, data, type, category, and/or component).
2062     * @param flags Additional option flags.  The most important is
2063     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2064     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2065     * @param userId The user id.
2066     *
2067     * @return Returns a ResolveInfo containing the final activity intent that
2068     *         was determined to be the best action.  Returns null if no
2069     *         matching activity was found. If multiple matching activities are
2070     *         found and there is no default set, returns a ResolveInfo
2071     *         containing something else, such as the activity resolver.
2072     *
2073     * @see #MATCH_DEFAULT_ONLY
2074     * @see #GET_INTENT_FILTERS
2075     * @see #GET_RESOLVED_FILTER
2076     *
2077     * @hide
2078     */
2079    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2080
2081    /**
2082     * Retrieve all activities that can be performed for the given intent.
2083     *
2084     * @param intent The desired intent as per resolveActivity().
2085     * @param flags Additional option flags.  The most important is
2086     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2087     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2088     *
2089     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2090     *         Activity. These are ordered from best to worst match -- that
2091     *         is, the first item in the list is what is returned by
2092     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2093     *         list is returned.
2094     *
2095     * @see #MATCH_DEFAULT_ONLY
2096     * @see #GET_INTENT_FILTERS
2097     * @see #GET_RESOLVED_FILTER
2098     */
2099    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2100            int flags);
2101
2102    /**
2103     * Retrieve all activities that can be performed for the given intent, for a specific user.
2104     *
2105     * @param intent The desired intent as per resolveActivity().
2106     * @param flags Additional option flags.  The most important is
2107     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2108     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2109     *
2110     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2111     *         Activity. These are ordered from best to worst match -- that
2112     *         is, the first item in the list is what is returned by
2113     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2114     *         list is returned.
2115     *
2116     * @see #MATCH_DEFAULT_ONLY
2117     * @see #GET_INTENT_FILTERS
2118     * @see #GET_RESOLVED_FILTER
2119     * @hide
2120     */
2121    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2122            int flags, int userId);
2123
2124
2125    /**
2126     * Retrieve a set of activities that should be presented to the user as
2127     * similar options.  This is like {@link #queryIntentActivities}, except it
2128     * also allows you to supply a list of more explicit Intents that you would
2129     * like to resolve to particular options, and takes care of returning the
2130     * final ResolveInfo list in a reasonable order, with no duplicates, based
2131     * on those inputs.
2132     *
2133     * @param caller The class name of the activity that is making the
2134     *               request.  This activity will never appear in the output
2135     *               list.  Can be null.
2136     * @param specifics An array of Intents that should be resolved to the
2137     *                  first specific results.  Can be null.
2138     * @param intent The desired intent as per resolveActivity().
2139     * @param flags Additional option flags.  The most important is
2140     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2141     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2142     *
2143     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2144     *         Activity. These are ordered first by all of the intents resolved
2145     *         in <var>specifics</var> and then any additional activities that
2146     *         can handle <var>intent</var> but did not get included by one of
2147     *         the <var>specifics</var> intents.  If there are no matching
2148     *         activities, an empty list is returned.
2149     *
2150     * @see #MATCH_DEFAULT_ONLY
2151     * @see #GET_INTENT_FILTERS
2152     * @see #GET_RESOLVED_FILTER
2153     */
2154    public abstract List<ResolveInfo> queryIntentActivityOptions(
2155            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2156
2157    /**
2158     * Retrieve all receivers that can handle a broadcast of the given intent.
2159     *
2160     * @param intent The desired intent as per resolveActivity().
2161     * @param flags Additional option flags.
2162     *
2163     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2164     *         Receiver. These are ordered from first to last in priority.  If
2165     *         there are no matching receivers, an empty list is returned.
2166     *
2167     * @see #MATCH_DEFAULT_ONLY
2168     * @see #GET_INTENT_FILTERS
2169     * @see #GET_RESOLVED_FILTER
2170     */
2171    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2172            int flags);
2173
2174    /**
2175     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2176     * user.
2177     *
2178     * @param intent The desired intent as per resolveActivity().
2179     * @param flags Additional option flags.
2180     * @param userId The userId of the user being queried.
2181     *
2182     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2183     *         Receiver. These are ordered from first to last in priority.  If
2184     *         there are no matching receivers, an empty list is returned.
2185     *
2186     * @see #MATCH_DEFAULT_ONLY
2187     * @see #GET_INTENT_FILTERS
2188     * @see #GET_RESOLVED_FILTER
2189     * @hide
2190     */
2191    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2192            int flags, int userId);
2193
2194    /**
2195     * Determine the best service to handle for a given Intent.
2196     *
2197     * @param intent An intent containing all of the desired specification
2198     *               (action, data, type, category, and/or component).
2199     * @param flags Additional option flags.
2200     *
2201     * @return Returns a ResolveInfo containing the final service intent that
2202     *         was determined to be the best action.  Returns null if no
2203     *         matching service was found.
2204     *
2205     * @see #GET_INTENT_FILTERS
2206     * @see #GET_RESOLVED_FILTER
2207     */
2208    public abstract ResolveInfo resolveService(Intent intent, int flags);
2209
2210    /**
2211     * Retrieve all services that can match the given intent.
2212     *
2213     * @param intent The desired intent as per resolveService().
2214     * @param flags Additional option flags.
2215     *
2216     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2217     *         ServiceInfo. These are ordered from best to worst match -- that
2218     *         is, the first item in the list is what is returned by
2219     *         resolveService().  If there are no matching services, an empty
2220     *         list is returned.
2221     *
2222     * @see #GET_INTENT_FILTERS
2223     * @see #GET_RESOLVED_FILTER
2224     */
2225    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2226            int flags);
2227
2228    /**
2229     * Retrieve all services that can match the given intent for a given user.
2230     *
2231     * @param intent The desired intent as per resolveService().
2232     * @param flags Additional option flags.
2233     * @param userId The user id.
2234     *
2235     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2236     *         ServiceInfo. These are ordered from best to worst match -- that
2237     *         is, the first item in the list is what is returned by
2238     *         resolveService().  If there are no matching services, an empty
2239     *         list is returned.
2240     *
2241     * @see #GET_INTENT_FILTERS
2242     * @see #GET_RESOLVED_FILTER
2243     *
2244     * @hide
2245     */
2246    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2247            int flags, int userId);
2248
2249    /** {@hide} */
2250    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2251            Intent intent, int flags, int userId);
2252
2253    /**
2254     * Retrieve all providers that can match the given intent.
2255     *
2256     * @param intent An intent containing all of the desired specification
2257     *            (action, data, type, category, and/or component).
2258     * @param flags Additional option flags.
2259     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2260     *         ProviderInfo. These are ordered from best to worst match. If
2261     *         there are no matching providers, an empty list is returned.
2262     * @see #GET_INTENT_FILTERS
2263     * @see #GET_RESOLVED_FILTER
2264     */
2265    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2266
2267    /**
2268     * Find a single content provider by its base path name.
2269     *
2270     * @param name The name of the provider to find.
2271     * @param flags Additional option flags.  Currently should always be 0.
2272     *
2273     * @return ContentProviderInfo Information about the provider, if found,
2274     *         else null.
2275     */
2276    public abstract ProviderInfo resolveContentProvider(String name,
2277            int flags);
2278
2279    /**
2280     * Retrieve content provider information.
2281     *
2282     * <p><em>Note: unlike most other methods, an empty result set is indicated
2283     * by a null return instead of an empty list.</em>
2284     *
2285     * @param processName If non-null, limits the returned providers to only
2286     *                    those that are hosted by the given process.  If null,
2287     *                    all content providers are returned.
2288     * @param uid If <var>processName</var> is non-null, this is the required
2289     *        uid owning the requested content providers.
2290     * @param flags Additional option flags.  Currently should always be 0.
2291     *
2292     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2293     *         content provider either patching <var>processName</var> or, if
2294     *         <var>processName</var> is null, all known content providers.
2295     *         <em>If there are no matching providers, null is returned.</em>
2296     */
2297    public abstract List<ProviderInfo> queryContentProviders(
2298            String processName, int uid, int flags);
2299
2300    /**
2301     * Retrieve all of the information we know about a particular
2302     * instrumentation class.
2303     *
2304     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2305     * given class name cannot be found on the system.
2306     *
2307     * @param className The full name (i.e.
2308     *                  com.google.apps.contacts.InstrumentList) of an
2309     *                  Instrumentation class.
2310     * @param flags Additional option flags.  Currently should always be 0.
2311     *
2312     * @return InstrumentationInfo containing information about the
2313     *         instrumentation.
2314     */
2315    public abstract InstrumentationInfo getInstrumentationInfo(
2316            ComponentName className, int flags) throws NameNotFoundException;
2317
2318    /**
2319     * Retrieve information about available instrumentation code.  May be used
2320     * to retrieve either all instrumentation code, or only the code targeting
2321     * a particular package.
2322     *
2323     * @param targetPackage If null, all instrumentation is returned; only the
2324     *                      instrumentation targeting this package name is
2325     *                      returned.
2326     * @param flags Additional option flags.  Currently should always be 0.
2327     *
2328     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2329     *         matching available Instrumentation.  Returns an empty list if
2330     *         there is no instrumentation available for the given package.
2331     */
2332    public abstract List<InstrumentationInfo> queryInstrumentation(
2333            String targetPackage, int flags);
2334
2335    /**
2336     * Retrieve an image from a package.  This is a low-level API used by
2337     * the various package manager info structures (such as
2338     * {@link ComponentInfo} to implement retrieval of their associated
2339     * icon.
2340     *
2341     * @param packageName The name of the package that this icon is coming from.
2342     * Cannot be null.
2343     * @param resid The resource identifier of the desired image.  Cannot be 0.
2344     * @param appInfo Overall information about <var>packageName</var>.  This
2345     * may be null, in which case the application information will be retrieved
2346     * for you if needed; if you already have this information around, it can
2347     * be much more efficient to supply it here.
2348     *
2349     * @return Returns a Drawable holding the requested image.  Returns null if
2350     * an image could not be found for any reason.
2351     */
2352    public abstract Drawable getDrawable(String packageName, int resid,
2353            ApplicationInfo appInfo);
2354
2355    /**
2356     * Retrieve the icon associated with an activity.  Given the full name of
2357     * an activity, retrieves the information about it and calls
2358     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2359     * If the activity cannot be found, NameNotFoundException is thrown.
2360     *
2361     * @param activityName Name of the activity whose icon is to be retrieved.
2362     *
2363     * @return Returns the image of the icon, or the default activity icon if
2364     * it could not be found.  Does not return null.
2365     * @throws NameNotFoundException Thrown if the resources for the given
2366     * activity could not be loaded.
2367     *
2368     * @see #getActivityIcon(Intent)
2369     */
2370    public abstract Drawable getActivityIcon(ComponentName activityName)
2371            throws NameNotFoundException;
2372
2373    /**
2374     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2375     * set, this simply returns the result of
2376     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2377     * component and returns the icon associated with the resolved component.
2378     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2379     * to a component, NameNotFoundException is thrown.
2380     *
2381     * @param intent The intent for which you would like to retrieve an icon.
2382     *
2383     * @return Returns the image of the icon, or the default activity icon if
2384     * it could not be found.  Does not return null.
2385     * @throws NameNotFoundException Thrown if the resources for application
2386     * matching the given intent could not be loaded.
2387     *
2388     * @see #getActivityIcon(ComponentName)
2389     */
2390    public abstract Drawable getActivityIcon(Intent intent)
2391            throws NameNotFoundException;
2392
2393    /**
2394     * Return the generic icon for an activity that is used when no specific
2395     * icon is defined.
2396     *
2397     * @return Drawable Image of the icon.
2398     */
2399    public abstract Drawable getDefaultActivityIcon();
2400
2401    /**
2402     * Retrieve the icon associated with an application.  If it has not defined
2403     * an icon, the default app icon is returned.  Does not return null.
2404     *
2405     * @param info Information about application being queried.
2406     *
2407     * @return Returns the image of the icon, or the default application icon
2408     * if it could not be found.
2409     *
2410     * @see #getApplicationIcon(String)
2411     */
2412    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2413
2414    /**
2415     * Retrieve the icon associated with an application.  Given the name of the
2416     * application's package, retrieves the information about it and calls
2417     * getApplicationIcon() to return its icon. If the application cannot be
2418     * found, NameNotFoundException is thrown.
2419     *
2420     * @param packageName Name of the package whose application icon is to be
2421     *                    retrieved.
2422     *
2423     * @return Returns the image of the icon, or the default application icon
2424     * if it could not be found.  Does not return null.
2425     * @throws NameNotFoundException Thrown if the resources for the given
2426     * application could not be loaded.
2427     *
2428     * @see #getApplicationIcon(ApplicationInfo)
2429     */
2430    public abstract Drawable getApplicationIcon(String packageName)
2431            throws NameNotFoundException;
2432
2433    /**
2434     * Retrieve the logo associated with an activity.  Given the full name of
2435     * an activity, retrieves the information about it and calls
2436     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its logo.
2437     * If the activity cannot be found, NameNotFoundException is thrown.
2438     *
2439     * @param activityName Name of the activity whose logo is to be retrieved.
2440     *
2441     * @return Returns the image of the logo or null if the activity has no
2442     * logo specified.
2443     *
2444     * @throws NameNotFoundException Thrown if the resources for the given
2445     * activity could not be loaded.
2446     *
2447     * @see #getActivityLogo(Intent)
2448     */
2449    public abstract Drawable getActivityLogo(ComponentName activityName)
2450            throws NameNotFoundException;
2451
2452    /**
2453     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2454     * set, this simply returns the result of
2455     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2456     * component and returns the logo associated with the resolved component.
2457     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2458     * to a component, NameNotFoundException is thrown.
2459     *
2460     * @param intent The intent for which you would like to retrieve a logo.
2461     *
2462     * @return Returns the image of the logo, or null if the activity has no
2463     * logo specified.
2464     *
2465     * @throws NameNotFoundException Thrown if the resources for application
2466     * matching the given intent could not be loaded.
2467     *
2468     * @see #getActivityLogo(ComponentName)
2469     */
2470    public abstract Drawable getActivityLogo(Intent intent)
2471            throws NameNotFoundException;
2472
2473    /**
2474     * Retrieve the logo associated with an application.  If it has not specified
2475     * a logo, this method returns null.
2476     *
2477     * @param info Information about application being queried.
2478     *
2479     * @return Returns the image of the logo, or null if no logo is specified
2480     * by the application.
2481     *
2482     * @see #getApplicationLogo(String)
2483     */
2484    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2485
2486    /**
2487     * Retrieve the logo associated with an application.  Given the name of the
2488     * application's package, retrieves the information about it and calls
2489     * getApplicationLogo() to return its logo. If the application cannot be
2490     * found, NameNotFoundException is thrown.
2491     *
2492     * @param packageName Name of the package whose application logo is to be
2493     *                    retrieved.
2494     *
2495     * @return Returns the image of the logo, or null if no application logo
2496     * has been specified.
2497     *
2498     * @throws NameNotFoundException Thrown if the resources for the given
2499     * application could not be loaded.
2500     *
2501     * @see #getApplicationLogo(ApplicationInfo)
2502     */
2503    public abstract Drawable getApplicationLogo(String packageName)
2504            throws NameNotFoundException;
2505
2506    /**
2507     * Retrieve text from a package.  This is a low-level API used by
2508     * the various package manager info structures (such as
2509     * {@link ComponentInfo} to implement retrieval of their associated
2510     * labels and other text.
2511     *
2512     * @param packageName The name of the package that this text is coming from.
2513     * Cannot be null.
2514     * @param resid The resource identifier of the desired text.  Cannot be 0.
2515     * @param appInfo Overall information about <var>packageName</var>.  This
2516     * may be null, in which case the application information will be retrieved
2517     * for you if needed; if you already have this information around, it can
2518     * be much more efficient to supply it here.
2519     *
2520     * @return Returns a CharSequence holding the requested text.  Returns null
2521     * if the text could not be found for any reason.
2522     */
2523    public abstract CharSequence getText(String packageName, int resid,
2524            ApplicationInfo appInfo);
2525
2526    /**
2527     * Retrieve an XML file from a package.  This is a low-level API used to
2528     * retrieve XML meta data.
2529     *
2530     * @param packageName The name of the package that this xml is coming from.
2531     * Cannot be null.
2532     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2533     * @param appInfo Overall information about <var>packageName</var>.  This
2534     * may be null, in which case the application information will be retrieved
2535     * for you if needed; if you already have this information around, it can
2536     * be much more efficient to supply it here.
2537     *
2538     * @return Returns an XmlPullParser allowing you to parse out the XML
2539     * data.  Returns null if the xml resource could not be found for any
2540     * reason.
2541     */
2542    public abstract XmlResourceParser getXml(String packageName, int resid,
2543            ApplicationInfo appInfo);
2544
2545    /**
2546     * Return the label to use for this application.
2547     *
2548     * @return Returns the label associated with this application, or null if
2549     * it could not be found for any reason.
2550     * @param info The application to get the label of.
2551     */
2552    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2553
2554    /**
2555     * Retrieve the resources associated with an activity.  Given the full
2556     * name of an activity, retrieves the information about it and calls
2557     * getResources() to return its application's resources.  If the activity
2558     * cannot be found, NameNotFoundException is thrown.
2559     *
2560     * @param activityName Name of the activity whose resources are to be
2561     *                     retrieved.
2562     *
2563     * @return Returns the application's Resources.
2564     * @throws NameNotFoundException Thrown if the resources for the given
2565     * application could not be loaded.
2566     *
2567     * @see #getResourcesForApplication(ApplicationInfo)
2568     */
2569    public abstract Resources getResourcesForActivity(ComponentName activityName)
2570            throws NameNotFoundException;
2571
2572    /**
2573     * Retrieve the resources for an application.  Throws NameNotFoundException
2574     * if the package is no longer installed.
2575     *
2576     * @param app Information about the desired application.
2577     *
2578     * @return Returns the application's Resources.
2579     * @throws NameNotFoundException Thrown if the resources for the given
2580     * application could not be loaded (most likely because it was uninstalled).
2581     */
2582    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2583            throws NameNotFoundException;
2584
2585    /**
2586     * Retrieve the resources associated with an application.  Given the full
2587     * package name of an application, retrieves the information about it and
2588     * calls getResources() to return its application's resources.  If the
2589     * appPackageName cannot be found, NameNotFoundException is thrown.
2590     *
2591     * @param appPackageName Package name of the application whose resources
2592     *                       are to be retrieved.
2593     *
2594     * @return Returns the application's Resources.
2595     * @throws NameNotFoundException Thrown if the resources for the given
2596     * application could not be loaded.
2597     *
2598     * @see #getResourcesForApplication(ApplicationInfo)
2599     */
2600    public abstract Resources getResourcesForApplication(String appPackageName)
2601            throws NameNotFoundException;
2602
2603    /** @hide */
2604    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2605            throws NameNotFoundException;
2606
2607    /**
2608     * Retrieve overall information about an application package defined
2609     * in a package archive file
2610     *
2611     * @param archiveFilePath The path to the archive file
2612     * @param flags Additional option flags. Use any combination of
2613     * {@link #GET_ACTIVITIES},
2614     * {@link #GET_GIDS},
2615     * {@link #GET_CONFIGURATIONS},
2616     * {@link #GET_INSTRUMENTATION},
2617     * {@link #GET_PERMISSIONS},
2618     * {@link #GET_PROVIDERS},
2619     * {@link #GET_RECEIVERS},
2620     * {@link #GET_SERVICES},
2621     * {@link #GET_SIGNATURES}, to modify the data returned.
2622     *
2623     * @return Returns the information about the package. Returns
2624     * null if the package could not be successfully parsed.
2625     *
2626     * @see #GET_ACTIVITIES
2627     * @see #GET_GIDS
2628     * @see #GET_CONFIGURATIONS
2629     * @see #GET_INSTRUMENTATION
2630     * @see #GET_PERMISSIONS
2631     * @see #GET_PROVIDERS
2632     * @see #GET_RECEIVERS
2633     * @see #GET_SERVICES
2634     * @see #GET_SIGNATURES
2635     *
2636     */
2637    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2638        PackageParser packageParser = new PackageParser(archiveFilePath);
2639        DisplayMetrics metrics = new DisplayMetrics();
2640        metrics.setToDefaults();
2641        final File sourceFile = new File(archiveFilePath);
2642        PackageParser.Package pkg = packageParser.parsePackage(
2643                sourceFile, archiveFilePath, metrics, 0);
2644        if (pkg == null) {
2645            return null;
2646        }
2647        if ((flags & GET_SIGNATURES) != 0) {
2648            packageParser.collectCertificates(pkg, 0);
2649        }
2650        PackageUserState state = new PackageUserState();
2651        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2652    }
2653
2654    /**
2655     * @hide
2656     *
2657     * Install a package. Since this may take a little while, the result will
2658     * be posted back to the given observer.  An installation will fail if the calling context
2659     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2660     * package named in the package file's manifest is already installed, or if there's no space
2661     * available on the device.
2662     *
2663     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2664     * 'content:' URI.
2665     * @param observer An observer callback to get notified when the package installation is
2666     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2667     * called when that happens.  observer may be null to indicate that no callback is desired.
2668     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2669     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2670     * @param installerPackageName Optional package name of the application that is performing the
2671     * installation. This identifies which market the package came from.
2672     */
2673    public abstract void installPackage(
2674            Uri packageURI, IPackageInstallObserver observer, int flags,
2675            String installerPackageName);
2676
2677    /**
2678     * Similar to
2679     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2680     * with an extra verification file provided.
2681     *
2682     * @param packageURI The location of the package file to install. This can
2683     *            be a 'file:' or a 'content:' URI.
2684     * @param observer An observer callback to get notified when the package
2685     *            installation is complete.
2686     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2687     *            will be called when that happens. observer may be null to
2688     *            indicate that no callback is desired.
2689     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2690     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2691     *            .
2692     * @param installerPackageName Optional package name of the application that
2693     *            is performing the installation. This identifies which market
2694     *            the package came from.
2695     * @param verificationURI The location of the supplementary verification
2696     *            file. This can be a 'file:' or a 'content:' URI. May be
2697     *            {@code null}.
2698     * @param manifestDigest an object that holds the digest of the package
2699     *            which can be used to verify ownership. May be {@code null}.
2700     * @param encryptionParams if the package to be installed is encrypted,
2701     *            these parameters describing the encryption and authentication
2702     *            used. May be {@code null}.
2703     * @hide
2704     */
2705    public abstract void installPackageWithVerification(Uri packageURI,
2706            IPackageInstallObserver observer, int flags, String installerPackageName,
2707            Uri verificationURI, ManifestDigest manifestDigest,
2708            ContainerEncryptionParams encryptionParams);
2709
2710    /**
2711     * Similar to
2712     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2713     * with an extra verification information provided.
2714     *
2715     * @param packageURI The location of the package file to install. This can
2716     *            be a 'file:' or a 'content:' URI.
2717     * @param observer An observer callback to get notified when the package
2718     *            installation is complete.
2719     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2720     *            will be called when that happens. observer may be null to
2721     *            indicate that no callback is desired.
2722     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2723     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2724     *            .
2725     * @param installerPackageName Optional package name of the application that
2726     *            is performing the installation. This identifies which market
2727     *            the package came from.
2728     * @param verificationParams an object that holds signal information to
2729     *            assist verification. May be {@code null}.
2730     * @param encryptionParams if the package to be installed is encrypted,
2731     *            these parameters describing the encryption and authentication
2732     *            used. May be {@code null}.
2733     *
2734     * @hide
2735     */
2736    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2737            IPackageInstallObserver observer, int flags, String installerPackageName,
2738            VerificationParams verificationParams,
2739            ContainerEncryptionParams encryptionParams);
2740
2741    /**
2742     * If there is already an application with the given package name installed
2743     * on the system for other users, also install it for the calling user.
2744     * @hide
2745     */
2746    public abstract int installExistingPackage(String packageName)
2747            throws NameNotFoundException;
2748
2749    /**
2750     * Allows a package listening to the
2751     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2752     * broadcast} to respond to the package manager. The response must include
2753     * the {@code verificationCode} which is one of
2754     * {@link PackageManager#VERIFICATION_ALLOW} or
2755     * {@link PackageManager#VERIFICATION_REJECT}.
2756     *
2757     * @param id pending package identifier as passed via the
2758     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2759     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2760     *            or {@link PackageManager#VERIFICATION_REJECT}.
2761     * @throws SecurityException if the caller does not have the
2762     *            PACKAGE_VERIFICATION_AGENT permission.
2763     */
2764    public abstract void verifyPendingInstall(int id, int verificationCode);
2765
2766    /**
2767     * Allows a package listening to the
2768     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2769     * broadcast} to extend the default timeout for a response and declare what
2770     * action to perform after the timeout occurs. The response must include
2771     * the {@code verificationCodeAtTimeout} which is one of
2772     * {@link PackageManager#VERIFICATION_ALLOW} or
2773     * {@link PackageManager#VERIFICATION_REJECT}.
2774     *
2775     * This method may only be called once per package id. Additional calls
2776     * will have no effect.
2777     *
2778     * @param id pending package identifier as passed via the
2779     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2780     * @param verificationCodeAtTimeout either
2781     *            {@link PackageManager#VERIFICATION_ALLOW} or
2782     *            {@link PackageManager#VERIFICATION_REJECT}. If
2783     *            {@code verificationCodeAtTimeout} is neither
2784     *            {@link PackageManager#VERIFICATION_ALLOW} or
2785     *            {@link PackageManager#VERIFICATION_REJECT}, then
2786     *            {@code verificationCodeAtTimeout} will default to
2787     *            {@link PackageManager#VERIFICATION_REJECT}.
2788     * @param millisecondsToDelay the amount of time requested for the timeout.
2789     *            Must be positive and less than
2790     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2791     *            {@code millisecondsToDelay} is out of bounds,
2792     *            {@code millisecondsToDelay} will be set to the closest in
2793     *            bounds value; namely, 0 or
2794     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2795     * @throws SecurityException if the caller does not have the
2796     *            PACKAGE_VERIFICATION_AGENT permission.
2797     */
2798    public abstract void extendVerificationTimeout(int id,
2799            int verificationCodeAtTimeout, long millisecondsToDelay);
2800
2801    /**
2802     * Change the installer associated with a given package.  There are limitations
2803     * on how the installer package can be changed; in particular:
2804     * <ul>
2805     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2806     * is not signed with the same certificate as the calling application.
2807     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2808     * has an installer package, and that installer package is not signed with
2809     * the same certificate as the calling application.
2810     * </ul>
2811     *
2812     * @param targetPackage The installed package whose installer will be changed.
2813     * @param installerPackageName The package name of the new installer.  May be
2814     * null to clear the association.
2815     */
2816    public abstract void setInstallerPackageName(String targetPackage,
2817            String installerPackageName);
2818
2819    /**
2820     * Attempts to delete a package.  Since this may take a little while, the result will
2821     * be posted back to the given observer.  A deletion will fail if the calling context
2822     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2823     * named package cannot be found, or if the named package is a "system package".
2824     * (TODO: include pointer to documentation on "system packages")
2825     *
2826     * @param packageName The name of the package to delete
2827     * @param observer An observer callback to get notified when the package deletion is
2828     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2829     * called when that happens.  observer may be null to indicate that no callback is desired.
2830     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2831     * {@link #DELETE_ALL_USERS}.
2832     *
2833     * @hide
2834     */
2835    public abstract void deletePackage(
2836            String packageName, IPackageDeleteObserver observer, int flags);
2837
2838    /**
2839     * Retrieve the package name of the application that installed a package. This identifies
2840     * which market the package came from.
2841     *
2842     * @param packageName The name of the package to query
2843     */
2844    public abstract String getInstallerPackageName(String packageName);
2845
2846    /**
2847     * Attempts to clear the user data directory of an application.
2848     * Since this may take a little while, the result will
2849     * be posted back to the given observer.  A deletion will fail if the
2850     * named package cannot be found, or if the named package is a "system package".
2851     *
2852     * @param packageName The name of the package
2853     * @param observer An observer callback to get notified when the operation is finished
2854     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2855     * will be called when that happens.  observer may be null to indicate that
2856     * no callback is desired.
2857     *
2858     * @hide
2859     */
2860    public abstract void clearApplicationUserData(String packageName,
2861            IPackageDataObserver observer);
2862    /**
2863     * Attempts to delete the cache files associated with an application.
2864     * Since this may take a little while, the result will
2865     * be posted back to the given observer.  A deletion will fail if the calling context
2866     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2867     * named package cannot be found, or if the named package is a "system package".
2868     *
2869     * @param packageName The name of the package to delete
2870     * @param observer An observer callback to get notified when the cache file deletion
2871     * is complete.
2872     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2873     * will be called when that happens.  observer may be null to indicate that
2874     * no callback is desired.
2875     *
2876     * @hide
2877     */
2878    public abstract void deleteApplicationCacheFiles(String packageName,
2879            IPackageDataObserver observer);
2880
2881    /**
2882     * Free storage by deleting LRU sorted list of cache files across
2883     * all applications. If the currently available free storage
2884     * on the device is greater than or equal to the requested
2885     * free storage, no cache files are cleared. If the currently
2886     * available storage on the device is less than the requested
2887     * free storage, some or all of the cache files across
2888     * all applications are deleted (based on last accessed time)
2889     * to increase the free storage space on the device to
2890     * the requested value. There is no guarantee that clearing all
2891     * the cache files from all applications will clear up
2892     * enough storage to achieve the desired value.
2893     * @param freeStorageSize The number of bytes of storage to be
2894     * freed by the system. Say if freeStorageSize is XX,
2895     * and the current free storage is YY,
2896     * if XX is less than YY, just return. if not free XX-YY number
2897     * of bytes if possible.
2898     * @param observer call back used to notify when
2899     * the operation is completed
2900     *
2901     * @hide
2902     */
2903    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
2904
2905    /**
2906     * Free storage by deleting LRU sorted list of cache files across
2907     * all applications. If the currently available free storage
2908     * on the device is greater than or equal to the requested
2909     * free storage, no cache files are cleared. If the currently
2910     * available storage on the device is less than the requested
2911     * free storage, some or all of the cache files across
2912     * all applications are deleted (based on last accessed time)
2913     * to increase the free storage space on the device to
2914     * the requested value. There is no guarantee that clearing all
2915     * the cache files from all applications will clear up
2916     * enough storage to achieve the desired value.
2917     * @param freeStorageSize The number of bytes of storage to be
2918     * freed by the system. Say if freeStorageSize is XX,
2919     * and the current free storage is YY,
2920     * if XX is less than YY, just return. if not free XX-YY number
2921     * of bytes if possible.
2922     * @param pi IntentSender call back used to
2923     * notify when the operation is completed.May be null
2924     * to indicate that no call back is desired.
2925     *
2926     * @hide
2927     */
2928    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
2929
2930    /**
2931     * Retrieve the size information for a package.
2932     * Since this may take a little while, the result will
2933     * be posted back to the given observer.  The calling context
2934     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
2935     *
2936     * @param packageName The name of the package whose size information is to be retrieved
2937     * @param userHandle The user whose size information should be retrieved.
2938     * @param observer An observer callback to get notified when the operation
2939     * is complete.
2940     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
2941     * The observer's callback is invoked with a PackageStats object(containing the
2942     * code, data and cache sizes of the package) and a boolean value representing
2943     * the status of the operation. observer may be null to indicate that
2944     * no callback is desired.
2945     *
2946     * @hide
2947     */
2948    public abstract void getPackageSizeInfo(String packageName, int userHandle,
2949            IPackageStatsObserver observer);
2950
2951    /**
2952     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
2953     * returns the size for the calling user.
2954     *
2955     * @hide
2956     */
2957    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
2958        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
2959    }
2960
2961    /**
2962     * @deprecated This function no longer does anything; it was an old
2963     * approach to managing preferred activities, which has been superseded
2964     * by (and conflicts with) the modern activity-based preferences.
2965     */
2966    @Deprecated
2967    public abstract void addPackageToPreferred(String packageName);
2968
2969    /**
2970     * @deprecated This function no longer does anything; it was an old
2971     * approach to managing preferred activities, which has been superseded
2972     * by (and conflicts with) the modern activity-based preferences.
2973     */
2974    @Deprecated
2975    public abstract void removePackageFromPreferred(String packageName);
2976
2977    /**
2978     * Retrieve the list of all currently configured preferred packages.  The
2979     * first package on the list is the most preferred, the last is the
2980     * least preferred.
2981     *
2982     * @param flags Additional option flags. Use any combination of
2983     * {@link #GET_ACTIVITIES},
2984     * {@link #GET_GIDS},
2985     * {@link #GET_CONFIGURATIONS},
2986     * {@link #GET_INSTRUMENTATION},
2987     * {@link #GET_PERMISSIONS},
2988     * {@link #GET_PROVIDERS},
2989     * {@link #GET_RECEIVERS},
2990     * {@link #GET_SERVICES},
2991     * {@link #GET_SIGNATURES}, to modify the data returned.
2992     *
2993     * @return Returns a list of PackageInfo objects describing each
2994     * preferred application, in order of preference.
2995     *
2996     * @see #GET_ACTIVITIES
2997     * @see #GET_GIDS
2998     * @see #GET_CONFIGURATIONS
2999     * @see #GET_INSTRUMENTATION
3000     * @see #GET_PERMISSIONS
3001     * @see #GET_PROVIDERS
3002     * @see #GET_RECEIVERS
3003     * @see #GET_SERVICES
3004     * @see #GET_SIGNATURES
3005     */
3006    public abstract List<PackageInfo> getPreferredPackages(int flags);
3007
3008    /**
3009     * @deprecated This is a protected API that should not have been available
3010     * to third party applications.  It is the platform's responsibility for
3011     * assigning preferred activities and this cannot be directly modified.
3012     *
3013     * Add a new preferred activity mapping to the system.  This will be used
3014     * to automatically select the given activity component when
3015     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3016     * multiple matching activities and also matches the given filter.
3017     *
3018     * @param filter The set of intents under which this activity will be
3019     * made preferred.
3020     * @param match The IntentFilter match category that this preference
3021     * applies to.
3022     * @param set The set of activities that the user was picking from when
3023     * this preference was made.
3024     * @param activity The component name of the activity that is to be
3025     * preferred.
3026     */
3027    @Deprecated
3028    public abstract void addPreferredActivity(IntentFilter filter, int match,
3029            ComponentName[] set, ComponentName activity);
3030
3031    /**
3032     * Same as {@link #addPreferredActivity(IntentFilter, int,
3033            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3034            to.
3035     * @hide
3036     */
3037    public void addPreferredActivity(IntentFilter filter, int match,
3038            ComponentName[] set, ComponentName activity, int userId) {
3039        throw new RuntimeException("Not implemented. Must override in a subclass.");
3040    }
3041
3042    /**
3043     * @deprecated This is a protected API that should not have been available
3044     * to third party applications.  It is the platform's responsibility for
3045     * assigning preferred activities and this cannot be directly modified.
3046     *
3047     * Replaces an existing preferred activity mapping to the system, and if that were not present
3048     * adds a new preferred activity.  This will be used
3049     * to automatically select the given activity component when
3050     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3051     * multiple matching activities and also matches the given filter.
3052     *
3053     * @param filter The set of intents under which this activity will be
3054     * made preferred.
3055     * @param match The IntentFilter match category that this preference
3056     * applies to.
3057     * @param set The set of activities that the user was picking from when
3058     * this preference was made.
3059     * @param activity The component name of the activity that is to be
3060     * preferred.
3061     * @hide
3062     */
3063    @Deprecated
3064    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3065            ComponentName[] set, ComponentName activity);
3066
3067    /**
3068     * Remove all preferred activity mappings, previously added with
3069     * {@link #addPreferredActivity}, from the
3070     * system whose activities are implemented in the given package name.
3071     * An application can only clear its own package(s).
3072     *
3073     * @param packageName The name of the package whose preferred activity
3074     * mappings are to be removed.
3075     */
3076    public abstract void clearPackagePreferredActivities(String packageName);
3077
3078    /**
3079     * Retrieve all preferred activities, previously added with
3080     * {@link #addPreferredActivity}, that are
3081     * currently registered with the system.
3082     *
3083     * @param outFilters A list in which to place the filters of all of the
3084     * preferred activities, or null for none.
3085     * @param outActivities A list in which to place the component names of
3086     * all of the preferred activities, or null for none.
3087     * @param packageName An option package in which you would like to limit
3088     * the list.  If null, all activities will be returned; if non-null, only
3089     * those activities in the given package are returned.
3090     *
3091     * @return Returns the total number of registered preferred activities
3092     * (the number of distinct IntentFilter records, not the number of unique
3093     * activity components) that were found.
3094     */
3095    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3096            List<ComponentName> outActivities, String packageName);
3097
3098    /**
3099     * Ask for the set of available 'home' activities and the current explicit
3100     * default, if any.
3101     * @hide
3102     */
3103    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3104
3105    /**
3106     * Set the enabled setting for a package component (activity, receiver, service, provider).
3107     * This setting will override any enabled state which may have been set by the component in its
3108     * manifest.
3109     *
3110     * @param componentName The component to enable
3111     * @param newState The new enabled state for the component.  The legal values for this state
3112     *                 are:
3113     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3114     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3115     *                   and
3116     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3117     *                 The last one removes the setting, thereby restoring the component's state to
3118     *                 whatever was set in it's manifest (or enabled, by default).
3119     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3120     */
3121    public abstract void setComponentEnabledSetting(ComponentName componentName,
3122            int newState, int flags);
3123
3124
3125    /**
3126     * Return the the enabled setting for a package component (activity,
3127     * receiver, service, provider).  This returns the last value set by
3128     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3129     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3130     * the value originally specified in the manifest has not been modified.
3131     *
3132     * @param componentName The component to retrieve.
3133     * @return Returns the current enabled state for the component.  May
3134     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3135     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3136     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3137     * component's enabled state is based on the original information in
3138     * the manifest as found in {@link ComponentInfo}.
3139     */
3140    public abstract int getComponentEnabledSetting(ComponentName componentName);
3141
3142    /**
3143     * Set the enabled setting for an application
3144     * This setting will override any enabled state which may have been set by the application in
3145     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3146     * application's components.  It does not override any enabled state set by
3147     * {@link #setComponentEnabledSetting} for any of the application's components.
3148     *
3149     * @param packageName The package name of the application to enable
3150     * @param newState The new enabled state for the component.  The legal values for this state
3151     *                 are:
3152     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3153     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3154     *                   and
3155     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3156     *                 The last one removes the setting, thereby restoring the applications's state to
3157     *                 whatever was set in its manifest (or enabled, by default).
3158     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3159     */
3160    public abstract void setApplicationEnabledSetting(String packageName,
3161            int newState, int flags);
3162
3163    /**
3164     * Return the the enabled setting for an application.  This returns
3165     * the last value set by
3166     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3167     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3168     * the value originally specified in the manifest has not been modified.
3169     *
3170     * @param packageName The component to retrieve.
3171     * @return Returns the current enabled state for the component.  May
3172     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3173     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3174     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3175     * application's enabled state is based on the original information in
3176     * the manifest as found in {@link ComponentInfo}.
3177     * @throws IllegalArgumentException if the named package does not exist.
3178     */
3179    public abstract int getApplicationEnabledSetting(String packageName);
3180
3181    /**
3182     * Puts the package in a blocked state, which is almost like an uninstalled state,
3183     * making the package unavailable, but it doesn't remove the data or the actual
3184     * package file.
3185     * @hide
3186     */
3187    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3188            UserHandle userHandle);
3189
3190    /**
3191     * Returns the blocked state of a package.
3192     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3193     * @hide
3194     */
3195    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3196            UserHandle userHandle);
3197
3198    /**
3199     * Return whether the device has been booted into safe mode.
3200     */
3201    public abstract boolean isSafeMode();
3202
3203    /**
3204     * Attempts to move package resources from internal to external media or vice versa.
3205     * Since this may take a little while, the result will
3206     * be posted back to the given observer.   This call may fail if the calling context
3207     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3208     * named package cannot be found, or if the named package is a "system package".
3209     *
3210     * @param packageName The name of the package to delete
3211     * @param observer An observer callback to get notified when the package move is
3212     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3213     * called when that happens.  observer may be null to indicate that no callback is desired.
3214     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3215     * {@link #MOVE_EXTERNAL_MEDIA}
3216     *
3217     * @hide
3218     */
3219    public abstract void movePackage(
3220            String packageName, IPackageMoveObserver observer, int flags);
3221
3222    /**
3223     * Returns the device identity that verifiers can use to associate their scheme to a particular
3224     * device. This should not be used by anything other than a package verifier.
3225     *
3226     * @return identity that uniquely identifies current device
3227     * @hide
3228     */
3229    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3230
3231    /**
3232     * Returns the data directory for a particular user and package, given the uid of the package.
3233     * @param uid uid of the package, including the userId and appId
3234     * @param packageName name of the package
3235     * @return the user-specific data directory for the package
3236     * @hide
3237     */
3238    public static String getDataDirForUser(int userId, String packageName) {
3239        // TODO: This should be shared with Installer's knowledge of user directory
3240        return Environment.getDataDirectory().toString() + "/user/" + userId
3241                + "/" + packageName;
3242    }
3243}
3244