PackageManager.java revision 5b6372171c5ee06dc0ce00644008297e7a14bb38
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 has a telephony radio with data
1038     * communication support.
1039     */
1040    @SdkConstant(SdkConstantType.FEATURE)
1041    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1042
1043    /**
1044     * Feature for {@link #getSystemAvailableFeatures} and
1045     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1046     */
1047    @SdkConstant(SdkConstantType.FEATURE)
1048    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1049
1050    /**
1051     * Feature for {@link #getSystemAvailableFeatures} and
1052     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1053     */
1054    @SdkConstant(SdkConstantType.FEATURE)
1055    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1056
1057    /**
1058     * Feature for {@link #getSystemAvailableFeatures} and
1059     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1060     * as the USB host.
1061     */
1062    @SdkConstant(SdkConstantType.FEATURE)
1063    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1064
1065    /**
1066     * Feature for {@link #getSystemAvailableFeatures} and
1067     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1068     */
1069    @SdkConstant(SdkConstantType.FEATURE)
1070    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1071
1072    /**
1073     * Feature for {@link #getSystemAvailableFeatures} and
1074     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1075     */
1076    @SdkConstant(SdkConstantType.FEATURE)
1077    public static final String FEATURE_SIP = "android.software.sip";
1078
1079    /**
1080     * Feature for {@link #getSystemAvailableFeatures} and
1081     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1082     */
1083    @SdkConstant(SdkConstantType.FEATURE)
1084    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1085
1086    /**
1087     * Feature for {@link #getSystemAvailableFeatures} and
1088     * {@link #hasSystemFeature}: The device's display has a touch screen.
1089     */
1090    @SdkConstant(SdkConstantType.FEATURE)
1091    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1092
1093
1094    /**
1095     * Feature for {@link #getSystemAvailableFeatures} and
1096     * {@link #hasSystemFeature}: The device's touch screen supports
1097     * multitouch sufficient for basic two-finger gesture detection.
1098     */
1099    @SdkConstant(SdkConstantType.FEATURE)
1100    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1101
1102    /**
1103     * Feature for {@link #getSystemAvailableFeatures} and
1104     * {@link #hasSystemFeature}: The device's touch screen is capable of
1105     * tracking two or more fingers fully independently.
1106     */
1107    @SdkConstant(SdkConstantType.FEATURE)
1108    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1109
1110    /**
1111     * Feature for {@link #getSystemAvailableFeatures} and
1112     * {@link #hasSystemFeature}: The device's touch screen is capable of
1113     * tracking a full hand of fingers fully independently -- that is, 5 or
1114     * more simultaneous independent pointers.
1115     */
1116    @SdkConstant(SdkConstantType.FEATURE)
1117    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1118
1119    /**
1120     * Feature for {@link #getSystemAvailableFeatures} and
1121     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1122     * does support touch emulation for basic events. For instance, the
1123     * device might use a mouse or remote control to drive a cursor, and
1124     * emulate basic touch pointer events like down, up, drag, etc. All
1125     * devices that support android.hardware.touchscreen or a sub-feature are
1126     * presumed to also support faketouch.
1127     */
1128    @SdkConstant(SdkConstantType.FEATURE)
1129    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1130
1131    /**
1132     * Feature for {@link #getSystemAvailableFeatures} and
1133     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1134     * does support touch emulation for basic events that supports distinct
1135     * tracking of two or more fingers.  This is an extension of
1136     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1137     * that unlike a distinct multitouch screen as defined by
1138     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1139     * devices will not actually provide full two-finger gestures since the
1140     * input is being transformed to cursor movement on the screen.  That is,
1141     * single finger gestures will move a cursor; two-finger swipes will
1142     * result in single-finger touch events; other two-finger gestures will
1143     * result in the corresponding two-finger touch event.
1144     */
1145    @SdkConstant(SdkConstantType.FEATURE)
1146    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1147
1148    /**
1149     * Feature for {@link #getSystemAvailableFeatures} and
1150     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1151     * does support touch emulation for basic events that supports tracking
1152     * a hand of fingers (5 or more fingers) fully independently.
1153     * This is an extension of
1154     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1155     * that unlike a multitouch screen as defined by
1156     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1157     * gestures can be detected due to the limitations described for
1158     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1159     */
1160    @SdkConstant(SdkConstantType.FEATURE)
1161    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1162
1163    /**
1164     * Feature for {@link #getSystemAvailableFeatures} and
1165     * {@link #hasSystemFeature}: The device supports portrait orientation
1166     * screens.  For backwards compatibility, you can assume that if neither
1167     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1168     * both portrait and landscape.
1169     */
1170    @SdkConstant(SdkConstantType.FEATURE)
1171    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1172
1173    /**
1174     * Feature for {@link #getSystemAvailableFeatures} and
1175     * {@link #hasSystemFeature}: The device supports landscape orientation
1176     * screens.  For backwards compatibility, you can assume that if neither
1177     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1178     * both portrait and landscape.
1179     */
1180    @SdkConstant(SdkConstantType.FEATURE)
1181    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1182
1183    /**
1184     * Feature for {@link #getSystemAvailableFeatures} and
1185     * {@link #hasSystemFeature}: The device supports live wallpapers.
1186     */
1187    @SdkConstant(SdkConstantType.FEATURE)
1188    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1189
1190    /**
1191     * Feature for {@link #getSystemAvailableFeatures} and
1192     * {@link #hasSystemFeature}: The device supports app widgets.
1193     */
1194    @SdkConstant(SdkConstantType.FEATURE)
1195    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1196
1197    /**
1198     * Feature for {@link #getSystemAvailableFeatures} and
1199     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1200     * by third party applications.
1201     */
1202    @SdkConstant(SdkConstantType.FEATURE)
1203    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1204
1205    /**
1206     * Feature for {@link #getSystemAvailableFeatures} and
1207     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1208     * with the {@link android.inputmethodservice.InputMethodService} API.
1209     */
1210    @SdkConstant(SdkConstantType.FEATURE)
1211    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1212
1213    /**
1214     * Feature for {@link #getSystemAvailableFeatures} and
1215     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1216     */
1217    @SdkConstant(SdkConstantType.FEATURE)
1218    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1219
1220    /**
1221     * Feature for {@link #getSystemAvailableFeatures} and
1222     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1223     */
1224    @SdkConstant(SdkConstantType.FEATURE)
1225    public static final String FEATURE_WIFI = "android.hardware.wifi";
1226
1227    /**
1228     * Feature for {@link #getSystemAvailableFeatures} and
1229     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1230     */
1231    @SdkConstant(SdkConstantType.FEATURE)
1232    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1233
1234    /**
1235     * Feature for {@link #getSystemAvailableFeatures} and
1236     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1237     * on a television.  Television here is defined to be a typical living
1238     * room television experience: displayed on a big screen, where the user
1239     * is sitting far away from it, and the dominant form of input will be
1240     * something like a DPAD, not through touch or mouse.
1241     */
1242    @SdkConstant(SdkConstantType.FEATURE)
1243    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1244
1245    /**
1246     * Action to external storage service to clean out removed apps.
1247     * @hide
1248     */
1249    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1250            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1251
1252    /**
1253     * Extra field name for the URI to a verification file. Passed to a package
1254     * verifier.
1255     *
1256     * @hide
1257     */
1258    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1259
1260    /**
1261     * Extra field name for the ID of a package pending verification. Passed to
1262     * a package verifier and is used to call back to
1263     * {@link PackageManager#verifyPendingInstall(int, int)}
1264     */
1265    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1266
1267    /**
1268     * Extra field name for the package identifier which is trying to install
1269     * the package.
1270     *
1271     * @hide
1272     */
1273    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1274            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1275
1276    /**
1277     * Extra field name for the requested install flags for a package pending
1278     * verification. Passed to a package verifier.
1279     *
1280     * @hide
1281     */
1282    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1283            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1284
1285    /**
1286     * Extra field name for the uid of who is requesting to install
1287     * the package.
1288     *
1289     * @hide
1290     */
1291    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1292            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1293
1294    /**
1295     * Extra field name for the package name of a package pending verification.
1296     *
1297     * @hide
1298     */
1299    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1300            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1301    /**
1302     * Extra field name for the result of a verification, either
1303     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1304     * Passed to package verifiers after a package is verified.
1305     */
1306    public static final String EXTRA_VERIFICATION_RESULT
1307            = "android.content.pm.extra.VERIFICATION_RESULT";
1308
1309    /**
1310     * Extra field name for the version code of a package pending verification.
1311     *
1312     * @hide
1313     */
1314    public static final String EXTRA_VERIFICATION_VERSION_CODE
1315            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1316
1317    /**
1318     * The action used to request that the user approve a permission request
1319     * from the application.
1320     *
1321     * @hide
1322     */
1323    public static final String ACTION_REQUEST_PERMISSION
1324            = "android.content.pm.action.REQUEST_PERMISSION";
1325
1326    /**
1327     * Extra field name for the list of permissions, which the user must approve.
1328     *
1329     * @hide
1330     */
1331    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1332            = "android.content.pm.extra.PERMISSION_LIST";
1333
1334    /**
1335     * Retrieve overall information about an application package that is
1336     * installed on the system.
1337     * <p>
1338     * Throws {@link NameNotFoundException} if a package with the given name can
1339     * not be found on the system.
1340     *
1341     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1342     *            desired package.
1343     * @param flags Additional option flags. Use any combination of
1344     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1345     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1346     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1347     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1348     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1349     *            modify the data returned.
1350     * @return Returns a PackageInfo object containing information about the
1351     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1352     *         package is not found in the list of installed applications, the
1353     *         package information is retrieved from the list of uninstalled
1354     *         applications (which includes installed applications as well as
1355     *         applications with data directory i.e. applications which had been
1356     *         deleted with {@code DONT_DELETE_DATA} flag set).
1357     * @see #GET_ACTIVITIES
1358     * @see #GET_GIDS
1359     * @see #GET_CONFIGURATIONS
1360     * @see #GET_INSTRUMENTATION
1361     * @see #GET_PERMISSIONS
1362     * @see #GET_PROVIDERS
1363     * @see #GET_RECEIVERS
1364     * @see #GET_SERVICES
1365     * @see #GET_SIGNATURES
1366     * @see #GET_UNINSTALLED_PACKAGES
1367     */
1368    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1369            throws NameNotFoundException;
1370
1371    /**
1372     * Map from the current package names in use on the device to whatever
1373     * the current canonical name of that package is.
1374     * @param names Array of current names to be mapped.
1375     * @return Returns an array of the same size as the original, containing
1376     * the canonical name for each package.
1377     */
1378    public abstract String[] currentToCanonicalPackageNames(String[] names);
1379
1380    /**
1381     * Map from a packages canonical name to the current name in use on the device.
1382     * @param names Array of new names to be mapped.
1383     * @return Returns an array of the same size as the original, containing
1384     * the current name for each package.
1385     */
1386    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1387
1388    /**
1389     * Return a "good" intent to launch a front-door activity in a package,
1390     * for use for example to implement an "open" button when browsing through
1391     * packages.  The current implementation will look first for a main
1392     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1393     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1394     * null if neither are found.
1395     *
1396     * <p>Throws {@link NameNotFoundException} if a package with the given
1397     * name cannot be found on the system.
1398     *
1399     * @param packageName The name of the package to inspect.
1400     *
1401     * @return Returns either a fully-qualified Intent that can be used to
1402     * launch the main activity in the package, or null if the package does
1403     * not contain such an activity.
1404     */
1405    public abstract Intent getLaunchIntentForPackage(String packageName);
1406
1407    /**
1408     * Return an array of all of the secondary group-ids that have been
1409     * assigned to a package.
1410     *
1411     * <p>Throws {@link NameNotFoundException} if a package with the given
1412     * name cannot be found on the system.
1413     *
1414     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1415     *                    desired package.
1416     *
1417     * @return Returns an int array of the assigned gids, or null if there
1418     * are none.
1419     */
1420    public abstract int[] getPackageGids(String packageName)
1421            throws NameNotFoundException;
1422
1423    /**
1424     * @hide Return the uid associated with the given package name for the
1425     * given user.
1426     *
1427     * <p>Throws {@link NameNotFoundException} if a package with the given
1428     * name can not be found on the system.
1429     *
1430     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1431     *                    desired package.
1432     * @param userHandle The user handle identifier to look up the package under.
1433     *
1434     * @return Returns an integer uid who owns the given package name.
1435     */
1436    public abstract int getPackageUid(String packageName, int userHandle)
1437            throws NameNotFoundException;
1438
1439    /**
1440     * Retrieve all of the information we know about a particular permission.
1441     *
1442     * <p>Throws {@link NameNotFoundException} if a permission with the given
1443     * name cannot be found on the system.
1444     *
1445     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1446     *             of the permission you are interested in.
1447     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1448     * retrieve any meta-data associated with the permission.
1449     *
1450     * @return Returns a {@link PermissionInfo} containing information about the
1451     *         permission.
1452     */
1453    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1454            throws NameNotFoundException;
1455
1456    /**
1457     * Query for all of the permissions associated with a particular group.
1458     *
1459     * <p>Throws {@link NameNotFoundException} if the given group does not
1460     * exist.
1461     *
1462     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1463     *             of the permission group you are interested in.  Use null to
1464     *             find all of the permissions not associated with a group.
1465     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1466     * retrieve any meta-data associated with the permissions.
1467     *
1468     * @return Returns a list of {@link PermissionInfo} containing information
1469     * about all of the permissions in the given group.
1470     */
1471    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1472            int flags) throws NameNotFoundException;
1473
1474    /**
1475     * Retrieve all of the information we know about a particular group of
1476     * permissions.
1477     *
1478     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1479     * name cannot be found on the system.
1480     *
1481     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1482     *             of the permission you are interested in.
1483     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1484     * retrieve any meta-data associated with the permission group.
1485     *
1486     * @return Returns a {@link PermissionGroupInfo} containing information
1487     * about the permission.
1488     */
1489    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1490            int flags) throws NameNotFoundException;
1491
1492    /**
1493     * Retrieve all of the known permission groups in the system.
1494     *
1495     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1496     * retrieve any meta-data associated with the permission group.
1497     *
1498     * @return Returns a list of {@link PermissionGroupInfo} containing
1499     * information about all of the known permission groups.
1500     */
1501    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1502
1503    /**
1504     * Retrieve all of the information we know about a particular
1505     * package/application.
1506     *
1507     * <p>Throws {@link NameNotFoundException} if an application with the given
1508     * package name cannot be found on the system.
1509     *
1510     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1511     *                    application.
1512     * @param flags Additional option flags. Use any combination of
1513     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1514     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1515     *
1516     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1517     *         information about the package.
1518     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1519     *         found in the list of installed applications,
1520     *         the application information is retrieved from the
1521     *         list of uninstalled applications(which includes
1522     *         installed applications as well as applications
1523     *         with data directory ie applications which had been
1524     *         deleted with {@code DONT_DELETE_DATA} flag set).
1525     *
1526     * @see #GET_META_DATA
1527     * @see #GET_SHARED_LIBRARY_FILES
1528     * @see #GET_UNINSTALLED_PACKAGES
1529     */
1530    public abstract ApplicationInfo getApplicationInfo(String packageName,
1531            int flags) throws NameNotFoundException;
1532
1533    /**
1534     * Retrieve all of the information we know about a particular activity
1535     * class.
1536     *
1537     * <p>Throws {@link NameNotFoundException} if an activity with the given
1538     * class name cannot be found on the system.
1539     *
1540     * @param component The full component name (i.e.
1541     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1542     * class.
1543     * @param flags Additional option flags. Use any combination of
1544     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1545     * to modify the data (in ApplicationInfo) returned.
1546     *
1547     * @return {@link ActivityInfo} containing information about the activity.
1548     *
1549     * @see #GET_INTENT_FILTERS
1550     * @see #GET_META_DATA
1551     * @see #GET_SHARED_LIBRARY_FILES
1552     */
1553    public abstract ActivityInfo getActivityInfo(ComponentName component,
1554            int flags) throws NameNotFoundException;
1555
1556    /**
1557     * Retrieve all of the information we know about a particular receiver
1558     * class.
1559     *
1560     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1561     * class name cannot be found on the system.
1562     *
1563     * @param component The full component name (i.e.
1564     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1565     * class.
1566     * @param flags Additional option flags.  Use any combination of
1567     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1568     * to modify the data returned.
1569     *
1570     * @return {@link ActivityInfo} containing information about the receiver.
1571     *
1572     * @see #GET_INTENT_FILTERS
1573     * @see #GET_META_DATA
1574     * @see #GET_SHARED_LIBRARY_FILES
1575     */
1576    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1577            int flags) throws NameNotFoundException;
1578
1579    /**
1580     * Retrieve all of the information we know about a particular service
1581     * class.
1582     *
1583     * <p>Throws {@link NameNotFoundException} if a service with the given
1584     * class name cannot be found on the system.
1585     *
1586     * @param component The full component name (i.e.
1587     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1588     * class.
1589     * @param flags Additional option flags.  Use any combination of
1590     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1591     * to modify the data returned.
1592     *
1593     * @return ServiceInfo containing information about the service.
1594     *
1595     * @see #GET_META_DATA
1596     * @see #GET_SHARED_LIBRARY_FILES
1597     */
1598    public abstract ServiceInfo getServiceInfo(ComponentName component,
1599            int flags) throws NameNotFoundException;
1600
1601    /**
1602     * Retrieve all of the information we know about a particular content
1603     * provider class.
1604     *
1605     * <p>Throws {@link NameNotFoundException} if a provider with the given
1606     * class name cannot be found on the system.
1607     *
1608     * @param component The full component name (i.e.
1609     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1610     * ContentProvider class.
1611     * @param flags Additional option flags.  Use any combination of
1612     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1613     * to modify the data returned.
1614     *
1615     * @return ProviderInfo containing information about the service.
1616     *
1617     * @see #GET_META_DATA
1618     * @see #GET_SHARED_LIBRARY_FILES
1619     */
1620    public abstract ProviderInfo getProviderInfo(ComponentName component,
1621            int flags) throws NameNotFoundException;
1622
1623    /**
1624     * Return a List of all packages that are installed
1625     * on the device.
1626     *
1627     * @param flags Additional option flags. Use any combination of
1628     * {@link #GET_ACTIVITIES},
1629     * {@link #GET_GIDS},
1630     * {@link #GET_CONFIGURATIONS},
1631     * {@link #GET_INSTRUMENTATION},
1632     * {@link #GET_PERMISSIONS},
1633     * {@link #GET_PROVIDERS},
1634     * {@link #GET_RECEIVERS},
1635     * {@link #GET_SERVICES},
1636     * {@link #GET_SIGNATURES},
1637     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1638     *
1639     * @return A List of PackageInfo objects, one for each package that is
1640     *         installed on the device.  In the unlikely case of there being no
1641     *         installed packages, an empty list is returned.
1642     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1643     *         applications including those deleted with {@code DONT_DELETE_DATA}
1644     *         (partially installed apps with data directory) will be returned.
1645     *
1646     * @see #GET_ACTIVITIES
1647     * @see #GET_GIDS
1648     * @see #GET_CONFIGURATIONS
1649     * @see #GET_INSTRUMENTATION
1650     * @see #GET_PERMISSIONS
1651     * @see #GET_PROVIDERS
1652     * @see #GET_RECEIVERS
1653     * @see #GET_SERVICES
1654     * @see #GET_SIGNATURES
1655     * @see #GET_UNINSTALLED_PACKAGES
1656     */
1657    public abstract List<PackageInfo> getInstalledPackages(int flags);
1658
1659    /**
1660     * Return a List of all installed packages that are currently
1661     * holding any of the given permissions.
1662     *
1663     * @param flags Additional option flags. Use any combination of
1664     * {@link #GET_ACTIVITIES},
1665     * {@link #GET_GIDS},
1666     * {@link #GET_CONFIGURATIONS},
1667     * {@link #GET_INSTRUMENTATION},
1668     * {@link #GET_PERMISSIONS},
1669     * {@link #GET_PROVIDERS},
1670     * {@link #GET_RECEIVERS},
1671     * {@link #GET_SERVICES},
1672     * {@link #GET_SIGNATURES},
1673     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1674     *
1675     * @return Returns a List of PackageInfo objects, one for each installed
1676     * application that is holding any of the permissions that were provided.
1677     *
1678     * @see #GET_ACTIVITIES
1679     * @see #GET_GIDS
1680     * @see #GET_CONFIGURATIONS
1681     * @see #GET_INSTRUMENTATION
1682     * @see #GET_PERMISSIONS
1683     * @see #GET_PROVIDERS
1684     * @see #GET_RECEIVERS
1685     * @see #GET_SERVICES
1686     * @see #GET_SIGNATURES
1687     * @see #GET_UNINSTALLED_PACKAGES
1688     */
1689    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1690            String[] permissions, int flags);
1691
1692    /**
1693     * Return a List of all packages that are installed on the device, for a specific user.
1694     * Requesting a list of installed packages for another user
1695     * will require the permission INTERACT_ACROSS_USERS_FULL.
1696     * @param flags Additional option flags. Use any combination of
1697     * {@link #GET_ACTIVITIES},
1698     * {@link #GET_GIDS},
1699     * {@link #GET_CONFIGURATIONS},
1700     * {@link #GET_INSTRUMENTATION},
1701     * {@link #GET_PERMISSIONS},
1702     * {@link #GET_PROVIDERS},
1703     * {@link #GET_RECEIVERS},
1704     * {@link #GET_SERVICES},
1705     * {@link #GET_SIGNATURES},
1706     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1707     * @param userId The user for whom the installed packages are to be listed
1708     *
1709     * @return A List of PackageInfo objects, one for each package that is
1710     *         installed on the device.  In the unlikely case of there being no
1711     *         installed packages, an empty list is returned.
1712     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1713     *         applications including those deleted with {@code DONT_DELETE_DATA}
1714     *         (partially installed apps with data directory) will be returned.
1715     *
1716     * @see #GET_ACTIVITIES
1717     * @see #GET_GIDS
1718     * @see #GET_CONFIGURATIONS
1719     * @see #GET_INSTRUMENTATION
1720     * @see #GET_PERMISSIONS
1721     * @see #GET_PROVIDERS
1722     * @see #GET_RECEIVERS
1723     * @see #GET_SERVICES
1724     * @see #GET_SIGNATURES
1725     * @see #GET_UNINSTALLED_PACKAGES
1726     *
1727     * @hide
1728     */
1729    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1730
1731    /**
1732     * Check whether a particular package has been granted a particular
1733     * permission.
1734     *
1735     * @param permName The name of the permission you are checking for,
1736     * @param pkgName The name of the package you are checking against.
1737     *
1738     * @return If the package has the permission, PERMISSION_GRANTED is
1739     * returned.  If it does not have the permission, PERMISSION_DENIED
1740     * is returned.
1741     *
1742     * @see #PERMISSION_GRANTED
1743     * @see #PERMISSION_DENIED
1744     */
1745    public abstract int checkPermission(String permName, String pkgName);
1746
1747    /**
1748     * Add a new dynamic permission to the system.  For this to work, your
1749     * package must have defined a permission tree through the
1750     * {@link android.R.styleable#AndroidManifestPermissionTree
1751     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1752     * permissions to trees that were defined by either its own package or
1753     * another with the same user id; a permission is in a tree if it
1754     * matches the name of the permission tree + ".": for example,
1755     * "com.foo.bar" is a member of the permission tree "com.foo".
1756     *
1757     * <p>It is good to make your permission tree name descriptive, because you
1758     * are taking possession of that entire set of permission names.  Thus, it
1759     * must be under a domain you control, with a suffix that will not match
1760     * any normal permissions that may be declared in any applications that
1761     * are part of that domain.
1762     *
1763     * <p>New permissions must be added before
1764     * any .apks are installed that use those permissions.  Permissions you
1765     * add through this method are remembered across reboots of the device.
1766     * If the given permission already exists, the info you supply here
1767     * will be used to update it.
1768     *
1769     * @param info Description of the permission to be added.
1770     *
1771     * @return Returns true if a new permission was created, false if an
1772     * existing one was updated.
1773     *
1774     * @throws SecurityException if you are not allowed to add the
1775     * given permission name.
1776     *
1777     * @see #removePermission(String)
1778     */
1779    public abstract boolean addPermission(PermissionInfo info);
1780
1781    /**
1782     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1783     * persists the package manager state after returning from the call,
1784     * allowing it to return quicker and batch a series of adds at the
1785     * expense of no guarantee the added permission will be retained if
1786     * the device is rebooted before it is written.
1787     */
1788    public abstract boolean addPermissionAsync(PermissionInfo info);
1789
1790    /**
1791     * Removes a permission that was previously added with
1792     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1793     * -- you are only allowed to remove permissions that you are allowed
1794     * to add.
1795     *
1796     * @param name The name of the permission to remove.
1797     *
1798     * @throws SecurityException if you are not allowed to remove the
1799     * given permission name.
1800     *
1801     * @see #addPermission(PermissionInfo)
1802     */
1803    public abstract void removePermission(String name);
1804
1805    /**
1806     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1807     * which prompts the user to grant {@code permissions} to this application.
1808     * @hide
1809     *
1810     * @throws NullPointerException if {@code permissions} is {@code null}.
1811     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1812     */
1813    public Intent buildPermissionRequestIntent(String... permissions) {
1814        if (permissions == null) {
1815            throw new NullPointerException("permissions cannot be null");
1816        }
1817        for (String permission : permissions) {
1818            if (permission == null) {
1819                throw new IllegalArgumentException("permissions cannot contain null");
1820            }
1821        }
1822
1823        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1824        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1825        i.setPackage("com.android.packageinstaller");
1826        return i;
1827    }
1828
1829    /**
1830     * Grant a permission to an application which the application does not
1831     * already have.  The permission must have been requested by the application,
1832     * but as an optional permission.  If the application is not allowed to
1833     * hold the permission, a SecurityException is thrown.
1834     * @hide
1835     *
1836     * @param packageName The name of the package that the permission will be
1837     * granted to.
1838     * @param permissionName The name of the permission.
1839     */
1840    public abstract void grantPermission(String packageName, String permissionName);
1841
1842    /**
1843     * Revoke a permission that was previously granted by {@link #grantPermission}.
1844     * @hide
1845     *
1846     * @param packageName The name of the package that the permission will be
1847     * granted to.
1848     * @param permissionName The name of the permission.
1849     */
1850    public abstract void revokePermission(String packageName, String permissionName);
1851
1852    /**
1853     * Compare the signatures of two packages to determine if the same
1854     * signature appears in both of them.  If they do contain the same
1855     * signature, then they are allowed special privileges when working
1856     * with each other: they can share the same user-id, run instrumentation
1857     * against each other, etc.
1858     *
1859     * @param pkg1 First package name whose signature will be compared.
1860     * @param pkg2 Second package name whose signature will be compared.
1861     *
1862     * @return Returns an integer indicating whether all signatures on the
1863     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1864     * all signatures match or < 0 if there is not a match ({@link
1865     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1866     *
1867     * @see #checkSignatures(int, int)
1868     * @see #SIGNATURE_MATCH
1869     * @see #SIGNATURE_NO_MATCH
1870     * @see #SIGNATURE_UNKNOWN_PACKAGE
1871     */
1872    public abstract int checkSignatures(String pkg1, String pkg2);
1873
1874    /**
1875     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1876     * the two packages to be checked.  This can be useful, for example,
1877     * when doing the check in an IPC, where the UID is the only identity
1878     * available.  It is functionally identical to determining the package
1879     * associated with the UIDs and checking their signatures.
1880     *
1881     * @param uid1 First UID whose signature will be compared.
1882     * @param uid2 Second UID whose signature will be compared.
1883     *
1884     * @return Returns an integer indicating whether all signatures on the
1885     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1886     * all signatures match or < 0 if there is not a match ({@link
1887     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1888     *
1889     * @see #checkSignatures(String, String)
1890     * @see #SIGNATURE_MATCH
1891     * @see #SIGNATURE_NO_MATCH
1892     * @see #SIGNATURE_UNKNOWN_PACKAGE
1893     */
1894    public abstract int checkSignatures(int uid1, int uid2);
1895
1896    /**
1897     * Retrieve the names of all packages that are associated with a particular
1898     * user id.  In most cases, this will be a single package name, the package
1899     * that has been assigned that user id.  Where there are multiple packages
1900     * sharing the same user id through the "sharedUserId" mechanism, all
1901     * packages with that id will be returned.
1902     *
1903     * @param uid The user id for which you would like to retrieve the
1904     * associated packages.
1905     *
1906     * @return Returns an array of one or more packages assigned to the user
1907     * id, or null if there are no known packages with the given id.
1908     */
1909    public abstract String[] getPackagesForUid(int uid);
1910
1911    /**
1912     * Retrieve the official name associated with a user id.  This name is
1913     * guaranteed to never change, though it is possibly for the underlying
1914     * user id to be changed.  That is, if you are storing information about
1915     * user ids in persistent storage, you should use the string returned
1916     * by this function instead of the raw user-id.
1917     *
1918     * @param uid The user id for which you would like to retrieve a name.
1919     * @return Returns a unique name for the given user id, or null if the
1920     * user id is not currently assigned.
1921     */
1922    public abstract String getNameForUid(int uid);
1923
1924    /**
1925     * Return the user id associated with a shared user name. Multiple
1926     * applications can specify a shared user name in their manifest and thus
1927     * end up using a common uid. This might be used for new applications
1928     * that use an existing shared user name and need to know the uid of the
1929     * shared user.
1930     *
1931     * @param sharedUserName The shared user name whose uid is to be retrieved.
1932     * @return Returns the uid associated with the shared user, or  NameNotFoundException
1933     * if the shared user name is not being used by any installed packages
1934     * @hide
1935     */
1936    public abstract int getUidForSharedUser(String sharedUserName)
1937            throws NameNotFoundException;
1938
1939    /**
1940     * Return a List of all application packages that are installed on the
1941     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
1942     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
1943     * installed apps with data directory) will be returned.
1944     *
1945     * @param flags Additional option flags. Use any combination of
1946     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1947     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1948     *
1949     * @return Returns a List of ApplicationInfo objects, one for each application that
1950     *         is installed on the device.  In the unlikely case of there being
1951     *         no installed applications, an empty list is returned.
1952     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1953     *         applications including those deleted with {@code DONT_DELETE_DATA}
1954     *         (partially installed apps with data directory) will be returned.
1955     *
1956     * @see #GET_META_DATA
1957     * @see #GET_SHARED_LIBRARY_FILES
1958     * @see #GET_UNINSTALLED_PACKAGES
1959     */
1960    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
1961
1962    /**
1963     * Get a list of shared libraries that are available on the
1964     * system.
1965     *
1966     * @return An array of shared library names that are
1967     * available on the system, or null if none are installed.
1968     *
1969     */
1970    public abstract String[] getSystemSharedLibraryNames();
1971
1972    /**
1973     * Get a list of features that are available on the
1974     * system.
1975     *
1976     * @return An array of FeatureInfo classes describing the features
1977     * that are available on the system, or null if there are none(!!).
1978     */
1979    public abstract FeatureInfo[] getSystemAvailableFeatures();
1980
1981    /**
1982     * Check whether the given feature name is one of the available
1983     * features as returned by {@link #getSystemAvailableFeatures()}.
1984     *
1985     * @return Returns true if the devices supports the feature, else
1986     * false.
1987     */
1988    public abstract boolean hasSystemFeature(String name);
1989
1990    /**
1991     * Determine the best action to perform for a given Intent.  This is how
1992     * {@link Intent#resolveActivity} finds an activity if a class has not
1993     * been explicitly specified.
1994     *
1995     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
1996     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
1997     * only flag.  You need to do so to resolve the activity in the same way
1998     * that {@link android.content.Context#startActivity(Intent)} and
1999     * {@link android.content.Intent#resolveActivity(PackageManager)
2000     * Intent.resolveActivity(PackageManager)} do.</p>
2001     *
2002     * @param intent An intent containing all of the desired specification
2003     *               (action, data, type, category, and/or component).
2004     * @param flags Additional option flags.  The most important is
2005     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2006     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2007     *
2008     * @return Returns a ResolveInfo containing the final activity intent that
2009     *         was determined to be the best action.  Returns null if no
2010     *         matching activity was found. If multiple matching activities are
2011     *         found and there is no default set, returns a ResolveInfo
2012     *         containing something else, such as the activity resolver.
2013     *
2014     * @see #MATCH_DEFAULT_ONLY
2015     * @see #GET_INTENT_FILTERS
2016     * @see #GET_RESOLVED_FILTER
2017     */
2018    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2019
2020    /**
2021     * Determine the best action to perform for a given Intent for a given user. This
2022     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2023     * been explicitly specified.
2024     *
2025     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2026     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2027     * only flag.  You need to do so to resolve the activity in the same way
2028     * that {@link android.content.Context#startActivity(Intent)} and
2029     * {@link android.content.Intent#resolveActivity(PackageManager)
2030     * Intent.resolveActivity(PackageManager)} do.</p>
2031     *
2032     * @param intent An intent containing all of the desired specification
2033     *               (action, data, type, category, and/or component).
2034     * @param flags Additional option flags.  The most important is
2035     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2036     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2037     * @param userId The user id.
2038     *
2039     * @return Returns a ResolveInfo containing the final activity intent that
2040     *         was determined to be the best action.  Returns null if no
2041     *         matching activity was found. If multiple matching activities are
2042     *         found and there is no default set, returns a ResolveInfo
2043     *         containing something else, such as the activity resolver.
2044     *
2045     * @see #MATCH_DEFAULT_ONLY
2046     * @see #GET_INTENT_FILTERS
2047     * @see #GET_RESOLVED_FILTER
2048     *
2049     * @hide
2050     */
2051    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2052
2053    /**
2054     * Retrieve all activities that can be performed for the given intent.
2055     *
2056     * @param intent The desired intent as per resolveActivity().
2057     * @param flags Additional option flags.  The most important is
2058     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2059     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2060     *
2061     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2062     *         Activity. These are ordered from best to worst match -- that
2063     *         is, the first item in the list is what is returned by
2064     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2065     *         list is returned.
2066     *
2067     * @see #MATCH_DEFAULT_ONLY
2068     * @see #GET_INTENT_FILTERS
2069     * @see #GET_RESOLVED_FILTER
2070     */
2071    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2072            int flags);
2073
2074    /**
2075     * Retrieve all activities that can be performed for the given intent, for a specific user.
2076     *
2077     * @param intent The desired intent as per resolveActivity().
2078     * @param flags Additional option flags.  The most important is
2079     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2080     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2081     *
2082     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2083     *         Activity. These are ordered from best to worst match -- that
2084     *         is, the first item in the list is what is returned by
2085     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2086     *         list is returned.
2087     *
2088     * @see #MATCH_DEFAULT_ONLY
2089     * @see #GET_INTENT_FILTERS
2090     * @see #GET_RESOLVED_FILTER
2091     * @hide
2092     */
2093    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2094            int flags, int userId);
2095
2096
2097    /**
2098     * Retrieve a set of activities that should be presented to the user as
2099     * similar options.  This is like {@link #queryIntentActivities}, except it
2100     * also allows you to supply a list of more explicit Intents that you would
2101     * like to resolve to particular options, and takes care of returning the
2102     * final ResolveInfo list in a reasonable order, with no duplicates, based
2103     * on those inputs.
2104     *
2105     * @param caller The class name of the activity that is making the
2106     *               request.  This activity will never appear in the output
2107     *               list.  Can be null.
2108     * @param specifics An array of Intents that should be resolved to the
2109     *                  first specific results.  Can be null.
2110     * @param intent The desired intent as per resolveActivity().
2111     * @param flags Additional option flags.  The most important is
2112     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2113     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2114     *
2115     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2116     *         Activity. These are ordered first by all of the intents resolved
2117     *         in <var>specifics</var> and then any additional activities that
2118     *         can handle <var>intent</var> but did not get included by one of
2119     *         the <var>specifics</var> intents.  If there are no matching
2120     *         activities, an empty list is returned.
2121     *
2122     * @see #MATCH_DEFAULT_ONLY
2123     * @see #GET_INTENT_FILTERS
2124     * @see #GET_RESOLVED_FILTER
2125     */
2126    public abstract List<ResolveInfo> queryIntentActivityOptions(
2127            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2128
2129    /**
2130     * Retrieve all receivers that can handle a broadcast of the given intent.
2131     *
2132     * @param intent The desired intent as per resolveActivity().
2133     * @param flags Additional option flags.
2134     *
2135     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2136     *         Receiver. These are ordered from first to last in priority.  If
2137     *         there are no matching receivers, an empty list is returned.
2138     *
2139     * @see #MATCH_DEFAULT_ONLY
2140     * @see #GET_INTENT_FILTERS
2141     * @see #GET_RESOLVED_FILTER
2142     */
2143    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2144            int flags);
2145
2146    /**
2147     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2148     * user.
2149     *
2150     * @param intent The desired intent as per resolveActivity().
2151     * @param flags Additional option flags.
2152     * @param userId The userId of the user being queried.
2153     *
2154     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2155     *         Receiver. These are ordered from first to last in priority.  If
2156     *         there are no matching receivers, an empty list is returned.
2157     *
2158     * @see #MATCH_DEFAULT_ONLY
2159     * @see #GET_INTENT_FILTERS
2160     * @see #GET_RESOLVED_FILTER
2161     * @hide
2162     */
2163    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2164            int flags, int userId);
2165
2166    /**
2167     * Determine the best service to handle for a given Intent.
2168     *
2169     * @param intent An intent containing all of the desired specification
2170     *               (action, data, type, category, and/or component).
2171     * @param flags Additional option flags.
2172     *
2173     * @return Returns a ResolveInfo containing the final service intent that
2174     *         was determined to be the best action.  Returns null if no
2175     *         matching service was found.
2176     *
2177     * @see #GET_INTENT_FILTERS
2178     * @see #GET_RESOLVED_FILTER
2179     */
2180    public abstract ResolveInfo resolveService(Intent intent, int flags);
2181
2182    /**
2183     * Retrieve all services that can match the given intent.
2184     *
2185     * @param intent The desired intent as per resolveService().
2186     * @param flags Additional option flags.
2187     *
2188     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2189     *         ServiceInfo. These are ordered from best to worst match -- that
2190     *         is, the first item in the list is what is returned by
2191     *         resolveService().  If there are no matching services, an empty
2192     *         list is returned.
2193     *
2194     * @see #GET_INTENT_FILTERS
2195     * @see #GET_RESOLVED_FILTER
2196     */
2197    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2198            int flags);
2199
2200    /**
2201     * Retrieve all services that can match the given intent for a given user.
2202     *
2203     * @param intent The desired intent as per resolveService().
2204     * @param flags Additional option flags.
2205     * @param userId The user id.
2206     *
2207     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2208     *         ServiceInfo. These are ordered from best to worst match -- that
2209     *         is, the first item in the list is what is returned by
2210     *         resolveService().  If there are no matching services, an empty
2211     *         list is returned.
2212     *
2213     * @see #GET_INTENT_FILTERS
2214     * @see #GET_RESOLVED_FILTER
2215     *
2216     * @hide
2217     */
2218    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2219            int flags, int userId);
2220
2221    /** {@hide} */
2222    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2223            Intent intent, int flags, int userId);
2224
2225    /**
2226     * Retrieve all providers that can match the given intent.
2227     *
2228     * @param intent An intent containing all of the desired specification
2229     *            (action, data, type, category, and/or component).
2230     * @param flags Additional option flags.
2231     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2232     *         ProviderInfo. These are ordered from best to worst match. If
2233     *         there are no matching providers, an empty list is returned.
2234     * @see #GET_INTENT_FILTERS
2235     * @see #GET_RESOLVED_FILTER
2236     */
2237    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2238
2239    /**
2240     * Find a single content provider by its base path name.
2241     *
2242     * @param name The name of the provider to find.
2243     * @param flags Additional option flags.  Currently should always be 0.
2244     *
2245     * @return ContentProviderInfo Information about the provider, if found,
2246     *         else null.
2247     */
2248    public abstract ProviderInfo resolveContentProvider(String name,
2249            int flags);
2250
2251    /**
2252     * Retrieve content provider information.
2253     *
2254     * <p><em>Note: unlike most other methods, an empty result set is indicated
2255     * by a null return instead of an empty list.</em>
2256     *
2257     * @param processName If non-null, limits the returned providers to only
2258     *                    those that are hosted by the given process.  If null,
2259     *                    all content providers are returned.
2260     * @param uid If <var>processName</var> is non-null, this is the required
2261     *        uid owning the requested content providers.
2262     * @param flags Additional option flags.  Currently should always be 0.
2263     *
2264     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2265     *         content provider either patching <var>processName</var> or, if
2266     *         <var>processName</var> is null, all known content providers.
2267     *         <em>If there are no matching providers, null is returned.</em>
2268     */
2269    public abstract List<ProviderInfo> queryContentProviders(
2270            String processName, int uid, int flags);
2271
2272    /**
2273     * Retrieve all of the information we know about a particular
2274     * instrumentation class.
2275     *
2276     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2277     * given class name cannot be found on the system.
2278     *
2279     * @param className The full name (i.e.
2280     *                  com.google.apps.contacts.InstrumentList) of an
2281     *                  Instrumentation class.
2282     * @param flags Additional option flags.  Currently should always be 0.
2283     *
2284     * @return InstrumentationInfo containing information about the
2285     *         instrumentation.
2286     */
2287    public abstract InstrumentationInfo getInstrumentationInfo(
2288            ComponentName className, int flags) throws NameNotFoundException;
2289
2290    /**
2291     * Retrieve information about available instrumentation code.  May be used
2292     * to retrieve either all instrumentation code, or only the code targeting
2293     * a particular package.
2294     *
2295     * @param targetPackage If null, all instrumentation is returned; only the
2296     *                      instrumentation targeting this package name is
2297     *                      returned.
2298     * @param flags Additional option flags.  Currently should always be 0.
2299     *
2300     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2301     *         matching available Instrumentation.  Returns an empty list if
2302     *         there is no instrumentation available for the given package.
2303     */
2304    public abstract List<InstrumentationInfo> queryInstrumentation(
2305            String targetPackage, int flags);
2306
2307    /**
2308     * Retrieve an image from a package.  This is a low-level API used by
2309     * the various package manager info structures (such as
2310     * {@link ComponentInfo} to implement retrieval of their associated
2311     * icon.
2312     *
2313     * @param packageName The name of the package that this icon is coming from.
2314     * Cannot be null.
2315     * @param resid The resource identifier of the desired image.  Cannot be 0.
2316     * @param appInfo Overall information about <var>packageName</var>.  This
2317     * may be null, in which case the application information will be retrieved
2318     * for you if needed; if you already have this information around, it can
2319     * be much more efficient to supply it here.
2320     *
2321     * @return Returns a Drawable holding the requested image.  Returns null if
2322     * an image could not be found for any reason.
2323     */
2324    public abstract Drawable getDrawable(String packageName, int resid,
2325            ApplicationInfo appInfo);
2326
2327    /**
2328     * Retrieve the icon associated with an activity.  Given the full name of
2329     * an activity, retrieves the information about it and calls
2330     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2331     * If the activity cannot be found, NameNotFoundException is thrown.
2332     *
2333     * @param activityName Name of the activity whose icon is to be retrieved.
2334     *
2335     * @return Returns the image of the icon, or the default activity icon if
2336     * it could not be found.  Does not return null.
2337     * @throws NameNotFoundException Thrown if the resources for the given
2338     * activity could not be loaded.
2339     *
2340     * @see #getActivityIcon(Intent)
2341     */
2342    public abstract Drawable getActivityIcon(ComponentName activityName)
2343            throws NameNotFoundException;
2344
2345    /**
2346     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2347     * set, this simply returns the result of
2348     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2349     * component and returns the icon associated with the resolved component.
2350     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2351     * to a component, NameNotFoundException is thrown.
2352     *
2353     * @param intent The intent for which you would like to retrieve an icon.
2354     *
2355     * @return Returns the image of the icon, or the default activity icon if
2356     * it could not be found.  Does not return null.
2357     * @throws NameNotFoundException Thrown if the resources for application
2358     * matching the given intent could not be loaded.
2359     *
2360     * @see #getActivityIcon(ComponentName)
2361     */
2362    public abstract Drawable getActivityIcon(Intent intent)
2363            throws NameNotFoundException;
2364
2365    /**
2366     * Return the generic icon for an activity that is used when no specific
2367     * icon is defined.
2368     *
2369     * @return Drawable Image of the icon.
2370     */
2371    public abstract Drawable getDefaultActivityIcon();
2372
2373    /**
2374     * Retrieve the icon associated with an application.  If it has not defined
2375     * an icon, the default app icon is returned.  Does not return null.
2376     *
2377     * @param info Information about application being queried.
2378     *
2379     * @return Returns the image of the icon, or the default application icon
2380     * if it could not be found.
2381     *
2382     * @see #getApplicationIcon(String)
2383     */
2384    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2385
2386    /**
2387     * Retrieve the icon associated with an application.  Given the name of the
2388     * application's package, retrieves the information about it and calls
2389     * getApplicationIcon() to return its icon. If the application cannot be
2390     * found, NameNotFoundException is thrown.
2391     *
2392     * @param packageName Name of the package whose application icon is to be
2393     *                    retrieved.
2394     *
2395     * @return Returns the image of the icon, or the default application icon
2396     * if it could not be found.  Does not return null.
2397     * @throws NameNotFoundException Thrown if the resources for the given
2398     * application could not be loaded.
2399     *
2400     * @see #getApplicationIcon(ApplicationInfo)
2401     */
2402    public abstract Drawable getApplicationIcon(String packageName)
2403            throws NameNotFoundException;
2404
2405    /**
2406     * Retrieve the logo associated with an activity.  Given the full name of
2407     * an activity, retrieves the information about it and calls
2408     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its logo.
2409     * If the activity cannot be found, NameNotFoundException is thrown.
2410     *
2411     * @param activityName Name of the activity whose logo is to be retrieved.
2412     *
2413     * @return Returns the image of the logo or null if the activity has no
2414     * logo specified.
2415     *
2416     * @throws NameNotFoundException Thrown if the resources for the given
2417     * activity could not be loaded.
2418     *
2419     * @see #getActivityLogo(Intent)
2420     */
2421    public abstract Drawable getActivityLogo(ComponentName activityName)
2422            throws NameNotFoundException;
2423
2424    /**
2425     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2426     * set, this simply returns the result of
2427     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2428     * component and returns the logo associated with the resolved component.
2429     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2430     * to a component, NameNotFoundException is thrown.
2431     *
2432     * @param intent The intent for which you would like to retrieve a logo.
2433     *
2434     * @return Returns the image of the logo, or null if the activity has no
2435     * logo specified.
2436     *
2437     * @throws NameNotFoundException Thrown if the resources for application
2438     * matching the given intent could not be loaded.
2439     *
2440     * @see #getActivityLogo(ComponentName)
2441     */
2442    public abstract Drawable getActivityLogo(Intent intent)
2443            throws NameNotFoundException;
2444
2445    /**
2446     * Retrieve the logo associated with an application.  If it has not specified
2447     * a logo, this method returns null.
2448     *
2449     * @param info Information about application being queried.
2450     *
2451     * @return Returns the image of the logo, or null if no logo is specified
2452     * by the application.
2453     *
2454     * @see #getApplicationLogo(String)
2455     */
2456    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2457
2458    /**
2459     * Retrieve the logo associated with an application.  Given the name of the
2460     * application's package, retrieves the information about it and calls
2461     * getApplicationLogo() to return its logo. If the application cannot be
2462     * found, NameNotFoundException is thrown.
2463     *
2464     * @param packageName Name of the package whose application logo is to be
2465     *                    retrieved.
2466     *
2467     * @return Returns the image of the logo, or null if no application logo
2468     * has been specified.
2469     *
2470     * @throws NameNotFoundException Thrown if the resources for the given
2471     * application could not be loaded.
2472     *
2473     * @see #getApplicationLogo(ApplicationInfo)
2474     */
2475    public abstract Drawable getApplicationLogo(String packageName)
2476            throws NameNotFoundException;
2477
2478    /**
2479     * Retrieve text from a package.  This is a low-level API used by
2480     * the various package manager info structures (such as
2481     * {@link ComponentInfo} to implement retrieval of their associated
2482     * labels and other text.
2483     *
2484     * @param packageName The name of the package that this text is coming from.
2485     * Cannot be null.
2486     * @param resid The resource identifier of the desired text.  Cannot be 0.
2487     * @param appInfo Overall information about <var>packageName</var>.  This
2488     * may be null, in which case the application information will be retrieved
2489     * for you if needed; if you already have this information around, it can
2490     * be much more efficient to supply it here.
2491     *
2492     * @return Returns a CharSequence holding the requested text.  Returns null
2493     * if the text could not be found for any reason.
2494     */
2495    public abstract CharSequence getText(String packageName, int resid,
2496            ApplicationInfo appInfo);
2497
2498    /**
2499     * Retrieve an XML file from a package.  This is a low-level API used to
2500     * retrieve XML meta data.
2501     *
2502     * @param packageName The name of the package that this xml is coming from.
2503     * Cannot be null.
2504     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2505     * @param appInfo Overall information about <var>packageName</var>.  This
2506     * may be null, in which case the application information will be retrieved
2507     * for you if needed; if you already have this information around, it can
2508     * be much more efficient to supply it here.
2509     *
2510     * @return Returns an XmlPullParser allowing you to parse out the XML
2511     * data.  Returns null if the xml resource could not be found for any
2512     * reason.
2513     */
2514    public abstract XmlResourceParser getXml(String packageName, int resid,
2515            ApplicationInfo appInfo);
2516
2517    /**
2518     * Return the label to use for this application.
2519     *
2520     * @return Returns the label associated with this application, or null if
2521     * it could not be found for any reason.
2522     * @param info The application to get the label of.
2523     */
2524    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2525
2526    /**
2527     * Retrieve the resources associated with an activity.  Given the full
2528     * name of an activity, retrieves the information about it and calls
2529     * getResources() to return its application's resources.  If the activity
2530     * cannot be found, NameNotFoundException is thrown.
2531     *
2532     * @param activityName Name of the activity whose resources are to be
2533     *                     retrieved.
2534     *
2535     * @return Returns the application's Resources.
2536     * @throws NameNotFoundException Thrown if the resources for the given
2537     * application could not be loaded.
2538     *
2539     * @see #getResourcesForApplication(ApplicationInfo)
2540     */
2541    public abstract Resources getResourcesForActivity(ComponentName activityName)
2542            throws NameNotFoundException;
2543
2544    /**
2545     * Retrieve the resources for an application.  Throws NameNotFoundException
2546     * if the package is no longer installed.
2547     *
2548     * @param app Information about the desired application.
2549     *
2550     * @return Returns the application's Resources.
2551     * @throws NameNotFoundException Thrown if the resources for the given
2552     * application could not be loaded (most likely because it was uninstalled).
2553     */
2554    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2555            throws NameNotFoundException;
2556
2557    /**
2558     * Retrieve the resources associated with an application.  Given the full
2559     * package name of an application, retrieves the information about it and
2560     * calls getResources() to return its application's resources.  If the
2561     * appPackageName cannot be found, NameNotFoundException is thrown.
2562     *
2563     * @param appPackageName Package name of the application whose resources
2564     *                       are to be retrieved.
2565     *
2566     * @return Returns the application's Resources.
2567     * @throws NameNotFoundException Thrown if the resources for the given
2568     * application could not be loaded.
2569     *
2570     * @see #getResourcesForApplication(ApplicationInfo)
2571     */
2572    public abstract Resources getResourcesForApplication(String appPackageName)
2573            throws NameNotFoundException;
2574
2575    /** @hide */
2576    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2577            throws NameNotFoundException;
2578
2579    /**
2580     * Retrieve overall information about an application package defined
2581     * in a package archive file
2582     *
2583     * @param archiveFilePath The path to the archive file
2584     * @param flags Additional option flags. Use any combination of
2585     * {@link #GET_ACTIVITIES},
2586     * {@link #GET_GIDS},
2587     * {@link #GET_CONFIGURATIONS},
2588     * {@link #GET_INSTRUMENTATION},
2589     * {@link #GET_PERMISSIONS},
2590     * {@link #GET_PROVIDERS},
2591     * {@link #GET_RECEIVERS},
2592     * {@link #GET_SERVICES},
2593     * {@link #GET_SIGNATURES}, to modify the data returned.
2594     *
2595     * @return Returns the information about the package. Returns
2596     * null if the package could not be successfully parsed.
2597     *
2598     * @see #GET_ACTIVITIES
2599     * @see #GET_GIDS
2600     * @see #GET_CONFIGURATIONS
2601     * @see #GET_INSTRUMENTATION
2602     * @see #GET_PERMISSIONS
2603     * @see #GET_PROVIDERS
2604     * @see #GET_RECEIVERS
2605     * @see #GET_SERVICES
2606     * @see #GET_SIGNATURES
2607     *
2608     */
2609    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2610        PackageParser packageParser = new PackageParser(archiveFilePath);
2611        DisplayMetrics metrics = new DisplayMetrics();
2612        metrics.setToDefaults();
2613        final File sourceFile = new File(archiveFilePath);
2614        PackageParser.Package pkg = packageParser.parsePackage(
2615                sourceFile, archiveFilePath, metrics, 0);
2616        if (pkg == null) {
2617            return null;
2618        }
2619        if ((flags & GET_SIGNATURES) != 0) {
2620            packageParser.collectCertificates(pkg, 0);
2621        }
2622        PackageUserState state = new PackageUserState();
2623        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2624    }
2625
2626    /**
2627     * @hide
2628     *
2629     * Install a package. Since this may take a little while, the result will
2630     * be posted back to the given observer.  An installation will fail if the calling context
2631     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2632     * package named in the package file's manifest is already installed, or if there's no space
2633     * available on the device.
2634     *
2635     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2636     * 'content:' URI.
2637     * @param observer An observer callback to get notified when the package installation is
2638     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2639     * called when that happens.  observer may be null to indicate that no callback is desired.
2640     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2641     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2642     * @param installerPackageName Optional package name of the application that is performing the
2643     * installation. This identifies which market the package came from.
2644     */
2645    public abstract void installPackage(
2646            Uri packageURI, IPackageInstallObserver observer, int flags,
2647            String installerPackageName);
2648
2649    /**
2650     * Similar to
2651     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2652     * with an extra verification file provided.
2653     *
2654     * @param packageURI The location of the package file to install. This can
2655     *            be a 'file:' or a 'content:' URI.
2656     * @param observer An observer callback to get notified when the package
2657     *            installation is complete.
2658     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2659     *            will be called when that happens. observer may be null to
2660     *            indicate that no callback is desired.
2661     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2662     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2663     *            .
2664     * @param installerPackageName Optional package name of the application that
2665     *            is performing the installation. This identifies which market
2666     *            the package came from.
2667     * @param verificationURI The location of the supplementary verification
2668     *            file. This can be a 'file:' or a 'content:' URI. May be
2669     *            {@code null}.
2670     * @param manifestDigest an object that holds the digest of the package
2671     *            which can be used to verify ownership. May be {@code null}.
2672     * @param encryptionParams if the package to be installed is encrypted,
2673     *            these parameters describing the encryption and authentication
2674     *            used. May be {@code null}.
2675     * @hide
2676     */
2677    public abstract void installPackageWithVerification(Uri packageURI,
2678            IPackageInstallObserver observer, int flags, String installerPackageName,
2679            Uri verificationURI, ManifestDigest manifestDigest,
2680            ContainerEncryptionParams encryptionParams);
2681
2682    /**
2683     * Similar to
2684     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2685     * with an extra verification information provided.
2686     *
2687     * @param packageURI The location of the package file to install. This can
2688     *            be a 'file:' or a 'content:' URI.
2689     * @param observer An observer callback to get notified when the package
2690     *            installation is complete.
2691     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2692     *            will be called when that happens. observer may be null to
2693     *            indicate that no callback is desired.
2694     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2695     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2696     *            .
2697     * @param installerPackageName Optional package name of the application that
2698     *            is performing the installation. This identifies which market
2699     *            the package came from.
2700     * @param verificationParams an object that holds signal information to
2701     *            assist verification. May be {@code null}.
2702     * @param encryptionParams if the package to be installed is encrypted,
2703     *            these parameters describing the encryption and authentication
2704     *            used. May be {@code null}.
2705     *
2706     * @hide
2707     */
2708    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2709            IPackageInstallObserver observer, int flags, String installerPackageName,
2710            VerificationParams verificationParams,
2711            ContainerEncryptionParams encryptionParams);
2712
2713    /**
2714     * If there is already an application with the given package name installed
2715     * on the system for other users, also install it for the calling user.
2716     * @hide
2717     */
2718    public abstract int installExistingPackage(String packageName)
2719            throws NameNotFoundException;
2720
2721    /**
2722     * Allows a package listening to the
2723     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2724     * broadcast} to respond to the package manager. The response must include
2725     * the {@code verificationCode} which is one of
2726     * {@link PackageManager#VERIFICATION_ALLOW} or
2727     * {@link PackageManager#VERIFICATION_REJECT}.
2728     *
2729     * @param id pending package identifier as passed via the
2730     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2731     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2732     *            or {@link PackageManager#VERIFICATION_REJECT}.
2733     * @throws SecurityException if the caller does not have the
2734     *            PACKAGE_VERIFICATION_AGENT permission.
2735     */
2736    public abstract void verifyPendingInstall(int id, int verificationCode);
2737
2738    /**
2739     * Allows a package listening to the
2740     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2741     * broadcast} to extend the default timeout for a response and declare what
2742     * action to perform after the timeout occurs. The response must include
2743     * the {@code verificationCodeAtTimeout} which is one of
2744     * {@link PackageManager#VERIFICATION_ALLOW} or
2745     * {@link PackageManager#VERIFICATION_REJECT}.
2746     *
2747     * This method may only be called once per package id. Additional calls
2748     * will have no effect.
2749     *
2750     * @param id pending package identifier as passed via the
2751     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2752     * @param verificationCodeAtTimeout either
2753     *            {@link PackageManager#VERIFICATION_ALLOW} or
2754     *            {@link PackageManager#VERIFICATION_REJECT}. If
2755     *            {@code verificationCodeAtTimeout} is neither
2756     *            {@link PackageManager#VERIFICATION_ALLOW} or
2757     *            {@link PackageManager#VERIFICATION_REJECT}, then
2758     *            {@code verificationCodeAtTimeout} will default to
2759     *            {@link PackageManager#VERIFICATION_REJECT}.
2760     * @param millisecondsToDelay the amount of time requested for the timeout.
2761     *            Must be positive and less than
2762     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2763     *            {@code millisecondsToDelay} is out of bounds,
2764     *            {@code millisecondsToDelay} will be set to the closest in
2765     *            bounds value; namely, 0 or
2766     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2767     * @throws SecurityException if the caller does not have the
2768     *            PACKAGE_VERIFICATION_AGENT permission.
2769     */
2770    public abstract void extendVerificationTimeout(int id,
2771            int verificationCodeAtTimeout, long millisecondsToDelay);
2772
2773    /**
2774     * Change the installer associated with a given package.  There are limitations
2775     * on how the installer package can be changed; in particular:
2776     * <ul>
2777     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2778     * is not signed with the same certificate as the calling application.
2779     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2780     * has an installer package, and that installer package is not signed with
2781     * the same certificate as the calling application.
2782     * </ul>
2783     *
2784     * @param targetPackage The installed package whose installer will be changed.
2785     * @param installerPackageName The package name of the new installer.  May be
2786     * null to clear the association.
2787     */
2788    public abstract void setInstallerPackageName(String targetPackage,
2789            String installerPackageName);
2790
2791    /**
2792     * Attempts to delete a package.  Since this may take a little while, the result will
2793     * be posted back to the given observer.  A deletion will fail if the calling context
2794     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2795     * named package cannot be found, or if the named package is a "system package".
2796     * (TODO: include pointer to documentation on "system packages")
2797     *
2798     * @param packageName The name of the package to delete
2799     * @param observer An observer callback to get notified when the package deletion is
2800     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2801     * called when that happens.  observer may be null to indicate that no callback is desired.
2802     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2803     * {@link #DELETE_ALL_USERS}.
2804     *
2805     * @hide
2806     */
2807    public abstract void deletePackage(
2808            String packageName, IPackageDeleteObserver observer, int flags);
2809
2810    /**
2811     * Retrieve the package name of the application that installed a package. This identifies
2812     * which market the package came from.
2813     *
2814     * @param packageName The name of the package to query
2815     */
2816    public abstract String getInstallerPackageName(String packageName);
2817
2818    /**
2819     * Attempts to clear the user data directory of an application.
2820     * Since this may take a little while, the result will
2821     * be posted back to the given observer.  A deletion will fail if the
2822     * named package cannot be found, or if the named package is a "system package".
2823     *
2824     * @param packageName The name of the package
2825     * @param observer An observer callback to get notified when the operation is finished
2826     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2827     * will be called when that happens.  observer may be null to indicate that
2828     * no callback is desired.
2829     *
2830     * @hide
2831     */
2832    public abstract void clearApplicationUserData(String packageName,
2833            IPackageDataObserver observer);
2834    /**
2835     * Attempts to delete the cache files associated with an application.
2836     * Since this may take a little while, the result will
2837     * be posted back to the given observer.  A deletion will fail if the calling context
2838     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2839     * named package cannot be found, or if the named package is a "system package".
2840     *
2841     * @param packageName The name of the package to delete
2842     * @param observer An observer callback to get notified when the cache file deletion
2843     * is complete.
2844     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2845     * will be called when that happens.  observer may be null to indicate that
2846     * no callback is desired.
2847     *
2848     * @hide
2849     */
2850    public abstract void deleteApplicationCacheFiles(String packageName,
2851            IPackageDataObserver observer);
2852
2853    /**
2854     * Free storage by deleting LRU sorted list of cache files across
2855     * all applications. If the currently available free storage
2856     * on the device is greater than or equal to the requested
2857     * free storage, no cache files are cleared. If the currently
2858     * available storage on the device is less than the requested
2859     * free storage, some or all of the cache files across
2860     * all applications are deleted (based on last accessed time)
2861     * to increase the free storage space on the device to
2862     * the requested value. There is no guarantee that clearing all
2863     * the cache files from all applications will clear up
2864     * enough storage to achieve the desired value.
2865     * @param freeStorageSize The number of bytes of storage to be
2866     * freed by the system. Say if freeStorageSize is XX,
2867     * and the current free storage is YY,
2868     * if XX is less than YY, just return. if not free XX-YY number
2869     * of bytes if possible.
2870     * @param observer call back used to notify when
2871     * the operation is completed
2872     *
2873     * @hide
2874     */
2875    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
2876
2877    /**
2878     * Free storage by deleting LRU sorted list of cache files across
2879     * all applications. If the currently available free storage
2880     * on the device is greater than or equal to the requested
2881     * free storage, no cache files are cleared. If the currently
2882     * available storage on the device is less than the requested
2883     * free storage, some or all of the cache files across
2884     * all applications are deleted (based on last accessed time)
2885     * to increase the free storage space on the device to
2886     * the requested value. There is no guarantee that clearing all
2887     * the cache files from all applications will clear up
2888     * enough storage to achieve the desired value.
2889     * @param freeStorageSize The number of bytes of storage to be
2890     * freed by the system. Say if freeStorageSize is XX,
2891     * and the current free storage is YY,
2892     * if XX is less than YY, just return. if not free XX-YY number
2893     * of bytes if possible.
2894     * @param pi IntentSender call back used to
2895     * notify when the operation is completed.May be null
2896     * to indicate that no call back is desired.
2897     *
2898     * @hide
2899     */
2900    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
2901
2902    /**
2903     * Retrieve the size information for a package.
2904     * Since this may take a little while, the result will
2905     * be posted back to the given observer.  The calling context
2906     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
2907     *
2908     * @param packageName The name of the package whose size information is to be retrieved
2909     * @param userHandle The user whose size information should be retrieved.
2910     * @param observer An observer callback to get notified when the operation
2911     * is complete.
2912     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
2913     * The observer's callback is invoked with a PackageStats object(containing the
2914     * code, data and cache sizes of the package) and a boolean value representing
2915     * the status of the operation. observer may be null to indicate that
2916     * no callback is desired.
2917     *
2918     * @hide
2919     */
2920    public abstract void getPackageSizeInfo(String packageName, int userHandle,
2921            IPackageStatsObserver observer);
2922
2923    /**
2924     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
2925     * returns the size for the calling user.
2926     *
2927     * @hide
2928     */
2929    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
2930        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
2931    }
2932
2933    /**
2934     * @deprecated This function no longer does anything; it was an old
2935     * approach to managing preferred activities, which has been superseded
2936     * by (and conflicts with) the modern activity-based preferences.
2937     */
2938    @Deprecated
2939    public abstract void addPackageToPreferred(String packageName);
2940
2941    /**
2942     * @deprecated This function no longer does anything; it was an old
2943     * approach to managing preferred activities, which has been superseded
2944     * by (and conflicts with) the modern activity-based preferences.
2945     */
2946    @Deprecated
2947    public abstract void removePackageFromPreferred(String packageName);
2948
2949    /**
2950     * Retrieve the list of all currently configured preferred packages.  The
2951     * first package on the list is the most preferred, the last is the
2952     * least preferred.
2953     *
2954     * @param flags Additional option flags. Use any combination of
2955     * {@link #GET_ACTIVITIES},
2956     * {@link #GET_GIDS},
2957     * {@link #GET_CONFIGURATIONS},
2958     * {@link #GET_INSTRUMENTATION},
2959     * {@link #GET_PERMISSIONS},
2960     * {@link #GET_PROVIDERS},
2961     * {@link #GET_RECEIVERS},
2962     * {@link #GET_SERVICES},
2963     * {@link #GET_SIGNATURES}, to modify the data returned.
2964     *
2965     * @return Returns a list of PackageInfo objects describing each
2966     * preferred application, in order of preference.
2967     *
2968     * @see #GET_ACTIVITIES
2969     * @see #GET_GIDS
2970     * @see #GET_CONFIGURATIONS
2971     * @see #GET_INSTRUMENTATION
2972     * @see #GET_PERMISSIONS
2973     * @see #GET_PROVIDERS
2974     * @see #GET_RECEIVERS
2975     * @see #GET_SERVICES
2976     * @see #GET_SIGNATURES
2977     */
2978    public abstract List<PackageInfo> getPreferredPackages(int flags);
2979
2980    /**
2981     * @deprecated This is a protected API that should not have been available
2982     * to third party applications.  It is the platform's responsibility for
2983     * assigning preferred activities and this cannot be directly modified.
2984     *
2985     * Add a new preferred activity mapping to the system.  This will be used
2986     * to automatically select the given activity component when
2987     * {@link Context#startActivity(Intent) Context.startActivity()} finds
2988     * multiple matching activities and also matches the given filter.
2989     *
2990     * @param filter The set of intents under which this activity will be
2991     * made preferred.
2992     * @param match The IntentFilter match category that this preference
2993     * applies to.
2994     * @param set The set of activities that the user was picking from when
2995     * this preference was made.
2996     * @param activity The component name of the activity that is to be
2997     * preferred.
2998     */
2999    @Deprecated
3000    public abstract void addPreferredActivity(IntentFilter filter, int match,
3001            ComponentName[] set, ComponentName activity);
3002
3003    /**
3004     * Same as {@link #addPreferredActivity(IntentFilter, int,
3005            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3006            to.
3007     * @hide
3008     */
3009    public void addPreferredActivity(IntentFilter filter, int match,
3010            ComponentName[] set, ComponentName activity, int userId) {
3011        throw new RuntimeException("Not implemented. Must override in a subclass.");
3012    }
3013
3014    /**
3015     * @deprecated This is a protected API that should not have been available
3016     * to third party applications.  It is the platform's responsibility for
3017     * assigning preferred activities and this cannot be directly modified.
3018     *
3019     * Replaces an existing preferred activity mapping to the system, and if that were not present
3020     * adds a new preferred activity.  This will be used
3021     * to automatically select the given activity component when
3022     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3023     * multiple matching activities and also matches the given filter.
3024     *
3025     * @param filter The set of intents under which this activity will be
3026     * made preferred.
3027     * @param match The IntentFilter match category that this preference
3028     * applies to.
3029     * @param set The set of activities that the user was picking from when
3030     * this preference was made.
3031     * @param activity The component name of the activity that is to be
3032     * preferred.
3033     * @hide
3034     */
3035    @Deprecated
3036    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3037            ComponentName[] set, ComponentName activity);
3038
3039    /**
3040     * Remove all preferred activity mappings, previously added with
3041     * {@link #addPreferredActivity}, from the
3042     * system whose activities are implemented in the given package name.
3043     * An application can only clear its own package(s).
3044     *
3045     * @param packageName The name of the package whose preferred activity
3046     * mappings are to be removed.
3047     */
3048    public abstract void clearPackagePreferredActivities(String packageName);
3049
3050    /**
3051     * Retrieve all preferred activities, previously added with
3052     * {@link #addPreferredActivity}, that are
3053     * currently registered with the system.
3054     *
3055     * @param outFilters A list in which to place the filters of all of the
3056     * preferred activities, or null for none.
3057     * @param outActivities A list in which to place the component names of
3058     * all of the preferred activities, or null for none.
3059     * @param packageName An option package in which you would like to limit
3060     * the list.  If null, all activities will be returned; if non-null, only
3061     * those activities in the given package are returned.
3062     *
3063     * @return Returns the total number of registered preferred activities
3064     * (the number of distinct IntentFilter records, not the number of unique
3065     * activity components) that were found.
3066     */
3067    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3068            List<ComponentName> outActivities, String packageName);
3069
3070    /**
3071     * Ask for the set of available 'home' activities and the current explicit
3072     * default, if any.
3073     * @hide
3074     */
3075    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3076
3077    /**
3078     * Set the enabled setting for a package component (activity, receiver, service, provider).
3079     * This setting will override any enabled state which may have been set by the component in its
3080     * manifest.
3081     *
3082     * @param componentName The component to enable
3083     * @param newState The new enabled state for the component.  The legal values for this state
3084     *                 are:
3085     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3086     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3087     *                   and
3088     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3089     *                 The last one removes the setting, thereby restoring the component's state to
3090     *                 whatever was set in it's manifest (or enabled, by default).
3091     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3092     */
3093    public abstract void setComponentEnabledSetting(ComponentName componentName,
3094            int newState, int flags);
3095
3096
3097    /**
3098     * Return the the enabled setting for a package component (activity,
3099     * receiver, service, provider).  This returns the last value set by
3100     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3101     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3102     * the value originally specified in the manifest has not been modified.
3103     *
3104     * @param componentName The component to retrieve.
3105     * @return Returns the current enabled state for the component.  May
3106     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3107     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3108     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3109     * component's enabled state is based on the original information in
3110     * the manifest as found in {@link ComponentInfo}.
3111     */
3112    public abstract int getComponentEnabledSetting(ComponentName componentName);
3113
3114    /**
3115     * Set the enabled setting for an application
3116     * This setting will override any enabled state which may have been set by the application in
3117     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3118     * application's components.  It does not override any enabled state set by
3119     * {@link #setComponentEnabledSetting} for any of the application's components.
3120     *
3121     * @param packageName The package name of the application to enable
3122     * @param newState The new enabled state for the component.  The legal values for this state
3123     *                 are:
3124     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3125     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3126     *                   and
3127     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3128     *                 The last one removes the setting, thereby restoring the applications's state to
3129     *                 whatever was set in its manifest (or enabled, by default).
3130     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3131     */
3132    public abstract void setApplicationEnabledSetting(String packageName,
3133            int newState, int flags);
3134
3135    /**
3136     * Return the the enabled setting for an application.  This returns
3137     * the last value set by
3138     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3139     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3140     * the value originally specified in the manifest has not been modified.
3141     *
3142     * @param packageName The component to retrieve.
3143     * @return Returns the current enabled state for the component.  May
3144     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3145     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3146     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3147     * application's enabled state is based on the original information in
3148     * the manifest as found in {@link ComponentInfo}.
3149     * @throws IllegalArgumentException if the named package does not exist.
3150     */
3151    public abstract int getApplicationEnabledSetting(String packageName);
3152
3153    /**
3154     * Puts the package in a blocked state, which is almost like an uninstalled state,
3155     * making the package unavailable, but it doesn't remove the data or the actual
3156     * package file.
3157     * @hide
3158     */
3159    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3160            UserHandle userHandle);
3161
3162    /**
3163     * Returns the blocked state of a package.
3164     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3165     * @hide
3166     */
3167    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3168            UserHandle userHandle);
3169
3170    /**
3171     * Return whether the device has been booted into safe mode.
3172     */
3173    public abstract boolean isSafeMode();
3174
3175    /**
3176     * Attempts to move package resources from internal to external media or vice versa.
3177     * Since this may take a little while, the result will
3178     * be posted back to the given observer.   This call may fail if the calling context
3179     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3180     * named package cannot be found, or if the named package is a "system package".
3181     *
3182     * @param packageName The name of the package to delete
3183     * @param observer An observer callback to get notified when the package move is
3184     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3185     * called when that happens.  observer may be null to indicate that no callback is desired.
3186     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3187     * {@link #MOVE_EXTERNAL_MEDIA}
3188     *
3189     * @hide
3190     */
3191    public abstract void movePackage(
3192            String packageName, IPackageMoveObserver observer, int flags);
3193
3194    /**
3195     * Returns the device identity that verifiers can use to associate their scheme to a particular
3196     * device. This should not be used by anything other than a package verifier.
3197     *
3198     * @return identity that uniquely identifies current device
3199     * @hide
3200     */
3201    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3202
3203    /**
3204     * Returns the data directory for a particular user and package, given the uid of the package.
3205     * @param uid uid of the package, including the userId and appId
3206     * @param packageName name of the package
3207     * @return the user-specific data directory for the package
3208     * @hide
3209     */
3210    public static String getDataDirForUser(int userId, String packageName) {
3211        // TODO: This should be shared with Installer's knowledge of user directory
3212        return Environment.getDataDirectory().toString() + "/user/" + userId
3213                + "/" + packageName;
3214    }
3215}
3216