PackageManager.java revision 2e58d6de062fc48ad2a032d90d4956cf8041a894
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.app.PackageInstallObserver;
23import android.content.ComponentName;
24import android.content.Context;
25import android.content.Intent;
26import android.content.IntentFilter;
27import android.content.IntentSender;
28import android.content.res.Resources;
29import android.content.res.XmlResourceParser;
30import android.graphics.drawable.Drawable;
31import android.net.Uri;
32import android.os.Environment;
33import android.os.UserHandle;
34import android.util.AndroidException;
35import android.util.DisplayMetrics;
36
37import java.io.File;
38import java.lang.annotation.Retention;
39import java.lang.annotation.RetentionPolicy;
40import java.util.List;
41
42/**
43 * Class for retrieving various kinds of information related to the application
44 * packages that are currently installed on the device.
45 *
46 * You can find this class through {@link Context#getPackageManager}.
47 */
48public abstract class PackageManager {
49
50    /**
51     * This exception is thrown when a given package, application, or component
52     * name cannot be found.
53     */
54    public static class NameNotFoundException extends AndroidException {
55        public NameNotFoundException() {
56        }
57
58        public NameNotFoundException(String name) {
59            super(name);
60        }
61    }
62
63    /**
64     * {@link PackageInfo} flag: return information about
65     * activities in the package in {@link PackageInfo#activities}.
66     */
67    public static final int GET_ACTIVITIES              = 0x00000001;
68
69    /**
70     * {@link PackageInfo} flag: return information about
71     * intent receivers in the package in
72     * {@link PackageInfo#receivers}.
73     */
74    public static final int GET_RECEIVERS               = 0x00000002;
75
76    /**
77     * {@link PackageInfo} flag: return information about
78     * services in the package in {@link PackageInfo#services}.
79     */
80    public static final int GET_SERVICES                = 0x00000004;
81
82    /**
83     * {@link PackageInfo} flag: return information about
84     * content providers in the package in
85     * {@link PackageInfo#providers}.
86     */
87    public static final int GET_PROVIDERS               = 0x00000008;
88
89    /**
90     * {@link PackageInfo} flag: return information about
91     * instrumentation in the package in
92     * {@link PackageInfo#instrumentation}.
93     */
94    public static final int GET_INSTRUMENTATION         = 0x00000010;
95
96    /**
97     * {@link PackageInfo} flag: return information about the
98     * intent filters supported by the activity.
99     */
100    public static final int GET_INTENT_FILTERS          = 0x00000020;
101
102    /**
103     * {@link PackageInfo} flag: return information about the
104     * signatures included in the package.
105     */
106    public static final int GET_SIGNATURES          = 0x00000040;
107
108    /**
109     * {@link ResolveInfo} flag: return the IntentFilter that
110     * was matched for a particular ResolveInfo in
111     * {@link ResolveInfo#filter}.
112     */
113    public static final int GET_RESOLVED_FILTER         = 0x00000040;
114
115    /**
116     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
117     * data {@link android.os.Bundle}s that are associated with a component.
118     * This applies for any API returning a ComponentInfo subclass.
119     */
120    public static final int GET_META_DATA               = 0x00000080;
121
122    /**
123     * {@link PackageInfo} flag: return the
124     * {@link PackageInfo#gids group ids} that are associated with an
125     * application.
126     * This applies for any API returning a PackageInfo class, either
127     * directly or nested inside of another.
128     */
129    public static final int GET_GIDS                    = 0x00000100;
130
131    /**
132     * {@link PackageInfo} flag: include disabled components in the returned info.
133     */
134    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
135
136    /**
137     * {@link ApplicationInfo} flag: return the
138     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
139     * that are associated with an application.
140     * This applies for any API returning an ApplicationInfo class, either
141     * directly or nested inside of another.
142     */
143    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
144
145    /**
146     * {@link ProviderInfo} flag: return the
147     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
148     * that are associated with a content provider.
149     * This applies for any API returning a ProviderInfo class, either
150     * directly or nested inside of another.
151     */
152    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
153    /**
154     * {@link PackageInfo} flag: return information about
155     * permissions in the package in
156     * {@link PackageInfo#permissions}.
157     */
158    public static final int GET_PERMISSIONS               = 0x00001000;
159
160    /**
161     * Flag parameter to retrieve some information about all applications (even
162     * uninstalled ones) which have data directories. This state could have
163     * resulted if applications have been deleted with flag
164     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
165     * reinstalled in future.
166     * <p>
167     * Note: this flag may cause less information about currently installed
168     * applications to be returned.
169     */
170    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
171
172    /**
173     * {@link PackageInfo} flag: return information about
174     * hardware preferences in
175     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
176     * requested features in {@link PackageInfo#reqFeatures
177     * PackageInfo.reqFeatures}.
178     */
179    public static final int GET_CONFIGURATIONS = 0x00004000;
180
181    /**
182     * {@link PackageInfo} flag: include disabled components which are in
183     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
184     * in the returned info.  Note that if you set this flag, applications
185     * that are in this disabled state will be reported as enabled.
186     */
187    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
188
189    /**
190     * Resolution and querying flag: if set, only filters that support the
191     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
192     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
193     * supplied Intent.
194     */
195    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
196
197    /** @hide */
198    @IntDef({PERMISSION_GRANTED, PERMISSION_DENIED})
199    @Retention(RetentionPolicy.SOURCE)
200    public @interface PermissionResult {}
201
202    /**
203     * Permission check result: this is returned by {@link #checkPermission}
204     * if the permission has been granted to the given package.
205     */
206    public static final int PERMISSION_GRANTED = 0;
207
208    /**
209     * Permission check result: this is returned by {@link #checkPermission}
210     * if the permission has not been granted to the given package.
211     */
212    public static final int PERMISSION_DENIED = -1;
213
214    /**
215     * Signature check result: this is returned by {@link #checkSignatures}
216     * if all signatures on the two packages match.
217     */
218    public static final int SIGNATURE_MATCH = 0;
219
220    /**
221     * Signature check result: this is returned by {@link #checkSignatures}
222     * if neither of the two packages is signed.
223     */
224    public static final int SIGNATURE_NEITHER_SIGNED = 1;
225
226    /**
227     * Signature check result: this is returned by {@link #checkSignatures}
228     * if the first package is not signed but the second is.
229     */
230    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
231
232    /**
233     * Signature check result: this is returned by {@link #checkSignatures}
234     * if the second package is not signed but the first is.
235     */
236    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
237
238    /**
239     * Signature check result: this is returned by {@link #checkSignatures}
240     * if not all signatures on both packages match.
241     */
242    public static final int SIGNATURE_NO_MATCH = -3;
243
244    /**
245     * Signature check result: this is returned by {@link #checkSignatures}
246     * if either of the packages are not valid.
247     */
248    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
249
250    /**
251     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
252     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
253     * component or application is in its default enabled state (as specified
254     * in its manifest).
255     */
256    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
257
258    /**
259     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
260     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
261     * component or application has been explictily enabled, regardless of
262     * what it has specified in its manifest.
263     */
264    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
265
266    /**
267     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
268     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
269     * component or application has been explicitly disabled, regardless of
270     * what it has specified in its manifest.
271     */
272    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
273
274    /**
275     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
276     * user has explicitly disabled the application, regardless of what it has
277     * specified in its manifest.  Because this is due to the user's request,
278     * they may re-enable it if desired through the appropriate system UI.  This
279     * option currently <strong>cannot</strong> be used with
280     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
281     */
282    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
283
284    /**
285     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
286     * application should be considered, until the point where the user actually
287     * wants to use it.  This means that it will not normally show up to the user
288     * (such as in the launcher), but various parts of the user interface can
289     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
290     * the user to select it (as for example an IME, device admin, etc).  Such code,
291     * once the user has selected the app, should at that point also make it enabled.
292     * This option currently <strong>can not</strong> be used with
293     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
294     */
295    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
296
297    /**
298     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
299     * indicate that this package should be installed as forward locked, i.e. only the app itself
300     * should have access to its code and non-resource assets.
301     * @hide
302     */
303    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
304
305    /**
306     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
307     * installed package, if one exists.
308     * @hide
309     */
310    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
311
312    /**
313     * Flag parameter for {@link #installPackage} to indicate that you want to
314     * allow test packages (those that have set android:testOnly in their
315     * manifest) to be installed.
316     * @hide
317     */
318    public static final int INSTALL_ALLOW_TEST = 0x00000004;
319
320    /**
321     * Flag parameter for {@link #installPackage} to indicate that this
322     * package has to be installed on the sdcard.
323     * @hide
324     */
325    public static final int INSTALL_EXTERNAL = 0x00000008;
326
327    /**
328     * Flag parameter for {@link #installPackage} to indicate that this package
329     * has to be installed on the sdcard.
330     * @hide
331     */
332    public static final int INSTALL_INTERNAL = 0x00000010;
333
334    /**
335     * Flag parameter for {@link #installPackage} to indicate that this install
336     * was initiated via ADB.
337     *
338     * @hide
339     */
340    public static final int INSTALL_FROM_ADB = 0x00000020;
341
342    /**
343     * Flag parameter for {@link #installPackage} to indicate that this install
344     * should immediately be visible to all users.
345     *
346     * @hide
347     */
348    public static final int INSTALL_ALL_USERS = 0x00000040;
349
350    /**
351     * Flag parameter for {@link #installPackage} to indicate that it is okay
352     * to install an update to an app where the newly installed app has a lower
353     * version code than the currently installed app.
354     *
355     * @hide
356     */
357    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
358
359    /**
360     * Flag parameter for
361     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
362     * that you don't want to kill the app containing the component.  Be careful when you set this
363     * since changing component states can make the containing application's behavior unpredictable.
364     */
365    public static final int DONT_KILL_APP = 0x00000001;
366
367    /**
368     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
369     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
370     * @hide
371     */
372    public static final int INSTALL_SUCCEEDED = 1;
373
374    /**
375     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
376     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
377     * already installed.
378     * @hide
379     */
380    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
381
382    /**
383     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
384     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
385     * file is invalid.
386     * @hide
387     */
388    public static final int INSTALL_FAILED_INVALID_APK = -2;
389
390    /**
391     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
392     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
393     * is invalid.
394     * @hide
395     */
396    public static final int INSTALL_FAILED_INVALID_URI = -3;
397
398    /**
399     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
400     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
401     * service found that the device didn't have enough storage space to install the app.
402     * @hide
403     */
404    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
405
406    /**
407     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
408     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
409     * package is already installed with the same name.
410     * @hide
411     */
412    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
413
414    /**
415     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
416     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
417     * the requested shared user does not exist.
418     * @hide
419     */
420    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
421
422    /**
423     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
424     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
425     * a previously installed package of the same name has a different signature
426     * than the new package (and the old package's data was not removed).
427     * @hide
428     */
429    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
430
431    /**
432     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
433     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
434     * the new package is requested a shared user which is already installed on the
435     * device and does not have matching signature.
436     * @hide
437     */
438    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
439
440    /**
441     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
442     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
443     * the new package uses a shared library that is not available.
444     * @hide
445     */
446    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
447
448    /**
449     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
450     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
451     * the new package uses a shared library that is not available.
452     * @hide
453     */
454    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
455
456    /**
457     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
458     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
459     * the new package failed while optimizing and validating its dex files,
460     * either because there was not enough storage or the validation failed.
461     * @hide
462     */
463    public static final int INSTALL_FAILED_DEXOPT = -11;
464
465    /**
466     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
467     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
468     * the new package failed because the current SDK version is older than
469     * that required by the package.
470     * @hide
471     */
472    public static final int INSTALL_FAILED_OLDER_SDK = -12;
473
474    /**
475     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
476     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
477     * the new package failed because it contains a content provider with the
478     * same authority as a provider already installed in the system.
479     * @hide
480     */
481    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
482
483    /**
484     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
485     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
486     * the new package failed because the current SDK version is newer than
487     * that required by the package.
488     * @hide
489     */
490    public static final int INSTALL_FAILED_NEWER_SDK = -14;
491
492    /**
493     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
494     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
495     * the new package failed because it has specified that it is a test-only
496     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
497     * flag.
498     * @hide
499     */
500    public static final int INSTALL_FAILED_TEST_ONLY = -15;
501
502    /**
503     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
504     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
505     * the package being installed contains native code, but none that is
506     * compatible with the the device's CPU_ABI.
507     * @hide
508     */
509    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
510
511    /**
512     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
513     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
514     * the new package uses a feature that is not available.
515     * @hide
516     */
517    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
518
519    // ------ Errors related to sdcard
520    /**
521     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
522     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
523     * a secure container mount point couldn't be accessed on external media.
524     * @hide
525     */
526    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
527
528    /**
529     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
530     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
531     * the new package couldn't be installed in the specified install
532     * location.
533     * @hide
534     */
535    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
536
537    /**
538     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
539     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
540     * the new package couldn't be installed in the specified install
541     * location because the media is not available.
542     * @hide
543     */
544    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
545
546    /**
547     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
548     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
549     * the new package couldn't be installed because the verification timed out.
550     * @hide
551     */
552    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
553
554    /**
555     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
556     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
557     * the new package couldn't be installed because the verification did not succeed.
558     * @hide
559     */
560    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
561
562    /**
563     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
564     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
565     * the package changed from what the calling program expected.
566     * @hide
567     */
568    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
569
570    /**
571     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
572     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
573     * the new package is assigned a different UID than it previously held.
574     * @hide
575     */
576    public static final int INSTALL_FAILED_UID_CHANGED = -24;
577
578    /**
579     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
580     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
581     * the new package has an older version code than the currently installed package.
582     * @hide
583     */
584    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
585
586    /**
587     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
588     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
589     * if the parser was given a path that is not a file, or does not end with the expected
590     * '.apk' extension.
591     * @hide
592     */
593    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
594
595    /**
596     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
597     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
598     * if the parser was unable to retrieve the AndroidManifest.xml file.
599     * @hide
600     */
601    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
602
603    /**
604     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
605     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
606     * if the parser encountered an unexpected exception.
607     * @hide
608     */
609    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
610
611    /**
612     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
613     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
614     * if the parser did not find any certificates in the .apk.
615     * @hide
616     */
617    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
618
619    /**
620     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
621     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
622     * if the parser found inconsistent certificates on the files in the .apk.
623     * @hide
624     */
625    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
626
627    /**
628     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
629     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
630     * if the parser encountered a CertificateEncodingException in one of the
631     * files in the .apk.
632     * @hide
633     */
634    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
635
636    /**
637     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
638     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
639     * if the parser encountered a bad or missing package name in the manifest.
640     * @hide
641     */
642    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
643
644    /**
645     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
646     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
647     * if the parser encountered a bad shared user id name in the manifest.
648     * @hide
649     */
650    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
651
652    /**
653     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
654     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
655     * if the parser encountered some structural problem in the manifest.
656     * @hide
657     */
658    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
659
660    /**
661     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
662     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
663     * if the parser did not find any actionable tags (instrumentation or application)
664     * in the manifest.
665     * @hide
666     */
667    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
668
669    /**
670     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
671     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
672     * if the system failed to install the package because of system issues.
673     * @hide
674     */
675    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
676
677    /**
678     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
679     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
680     * if the system failed to install the package because the user is restricted from installing
681     * apps.
682     * @hide
683     */
684    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
685
686    /**
687     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
688     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
689     * if the system failed to install the package because it is attempting to define a
690     * permission that is already defined by some existing package.
691     *
692     * <p>The package name of the app which has already defined the permission is passed to
693     * a {@link IPackageInstallObserver2}, if any, as the {@link #EXTRA_EXISTING_PACKAGE}
694     * string extra; and the name of the permission being redefined is passed in the
695     * {@link #EXTRA_EXISTING_PERMISSION} string extra.
696     * @hide
697     */
698    public static final int INSTALL_FAILED_DUPLICATE_PERMISSION = -112;
699
700    /**
701     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
702     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
703     * if the system failed to install the package because its packaged native code did not
704     * match any of the ABIs supported by the system.
705     *
706     * @hide
707     */
708    public static final int INSTALL_FAILED_NO_MATCHING_ABIS = -113;
709
710    /**
711     * Internal return code for NativeLibraryHelper methods to indicate that the package
712     * being processed did not contain any native code. This is placed here only so that
713     * it can belong to the same value space as the other install failure codes.
714     *
715     * @hide
716     */
717    public static final int NO_NATIVE_LIBRARIES = -114;
718
719    /**
720     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
721     * package's data directory.
722     *
723     * @hide
724     */
725    public static final int DELETE_KEEP_DATA = 0x00000001;
726
727    /**
728     * Flag parameter for {@link #deletePackage} to indicate that you want the
729     * package deleted for all users.
730     *
731     * @hide
732     */
733    public static final int DELETE_ALL_USERS = 0x00000002;
734
735    /**
736     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
737     * uninstall on a system that has been updated, then don't do the normal process
738     * of uninstalling the update and rolling back to the older system version (which
739     * needs to happen for all users); instead, just mark the app as uninstalled for
740     * the current user.
741     *
742     * @hide
743     */
744    public static final int DELETE_SYSTEM_APP = 0x00000004;
745
746    /**
747     * Return code for when package deletion succeeds. This is passed to the
748     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
749     * succeeded in deleting the package.
750     *
751     * @hide
752     */
753    public static final int DELETE_SUCCEEDED = 1;
754
755    /**
756     * Deletion failed return code: this is passed to the
757     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
758     * failed to delete the package for an unspecified reason.
759     *
760     * @hide
761     */
762    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
763
764    /**
765     * Deletion failed return code: this is passed to the
766     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
767     * failed to delete the package because it is the active DevicePolicy
768     * manager.
769     *
770     * @hide
771     */
772    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
773
774    /**
775     * Deletion failed return code: this is passed to the
776     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
777     * failed to delete the package since the user is restricted.
778     *
779     * @hide
780     */
781    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
782
783    /**
784     * Return code that is passed to the {@link IPackageMoveObserver} by
785     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
786     * package has been successfully moved by the system.
787     *
788     * @hide
789     */
790    public static final int MOVE_SUCCEEDED = 1;
791    /**
792     * Error code that is passed to the {@link IPackageMoveObserver} by
793     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
794     * when the package hasn't been successfully moved by the system
795     * because of insufficient memory on specified media.
796     * @hide
797     */
798    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
799
800    /**
801     * Error code that is passed to the {@link IPackageMoveObserver} by
802     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
803     * if the specified package doesn't exist.
804     * @hide
805     */
806    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
807
808    /**
809     * Error code that is passed to the {@link IPackageMoveObserver} by
810     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
811     * if the specified package cannot be moved since its a system package.
812     * @hide
813     */
814    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
815
816    /**
817     * Error code that is passed to the {@link IPackageMoveObserver} by
818     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
819     * if the specified package cannot be moved since its forward locked.
820     * @hide
821     */
822    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
823
824    /**
825     * Error code that is passed to the {@link IPackageMoveObserver} by
826     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
827     * if the specified package cannot be moved to the specified location.
828     * @hide
829     */
830    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
831
832    /**
833     * Error code that is passed to the {@link IPackageMoveObserver} by
834     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
835     * if the specified package cannot be moved to the specified location.
836     * @hide
837     */
838    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
839
840    /**
841     * Error code that is passed to the {@link IPackageMoveObserver} by
842     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
843     * specified package already has an operation pending in the
844     * {@link PackageHandler} queue.
845     *
846     * @hide
847     */
848    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
849
850    /**
851     * Flag parameter for {@link #movePackage} to indicate that
852     * the package should be moved to internal storage if its
853     * been installed on external media.
854     * @hide
855     */
856    public static final int MOVE_INTERNAL = 0x00000001;
857
858    /**
859     * Flag parameter for {@link #movePackage} to indicate that
860     * the package should be moved to external media.
861     * @hide
862     */
863    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
864
865    /**
866     * Usable by the required verifier as the {@code verificationCode} argument
867     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
868     * allow the installation to proceed without any of the optional verifiers
869     * needing to vote.
870     *
871     * @hide
872     */
873    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
874
875    /**
876     * Used as the {@code verificationCode} argument for
877     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
878     * package verifier allows the installation to proceed.
879     */
880    public static final int VERIFICATION_ALLOW = 1;
881
882    /**
883     * Used as the {@code verificationCode} argument for
884     * {@link PackageManager#verifyPendingInstall} to indicate the calling
885     * package verifier does not vote to allow the installation to proceed.
886     */
887    public static final int VERIFICATION_REJECT = -1;
888
889    /**
890     * Can be used as the {@code millisecondsToDelay} argument for
891     * {@link PackageManager#extendVerificationTimeout}. This is the
892     * maximum time {@code PackageManager} waits for the verification
893     * agent to return (in milliseconds).
894     */
895    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
896
897    /**
898     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
899     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
900     * lag in sound input or output.
901     */
902    @SdkConstant(SdkConstantType.FEATURE)
903    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
904
905    /**
906     * Feature for {@link #getSystemAvailableFeatures} and
907     * {@link #hasSystemFeature}: The device is capable of communicating with
908     * other devices via Bluetooth.
909     */
910    @SdkConstant(SdkConstantType.FEATURE)
911    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
912
913    /**
914     * Feature for {@link #getSystemAvailableFeatures} and
915     * {@link #hasSystemFeature}: The device is capable of communicating with
916     * other devices via Bluetooth Low Energy radio.
917     */
918    @SdkConstant(SdkConstantType.FEATURE)
919    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
920
921    /**
922     * Feature for {@link #getSystemAvailableFeatures} and
923     * {@link #hasSystemFeature}: The device has a camera facing away
924     * from the screen.
925     */
926    @SdkConstant(SdkConstantType.FEATURE)
927    public static final String FEATURE_CAMERA = "android.hardware.camera";
928
929    /**
930     * Feature for {@link #getSystemAvailableFeatures} and
931     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
932     */
933    @SdkConstant(SdkConstantType.FEATURE)
934    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
935
936    /**
937     * Feature for {@link #getSystemAvailableFeatures} and
938     * {@link #hasSystemFeature}: The device has at least one camera pointing in
939     * some direction, or can support an external camera being connected to it.
940     */
941    @SdkConstant(SdkConstantType.FEATURE)
942    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
943
944    /**
945     * Feature for {@link #getSystemAvailableFeatures} and
946     * {@link #hasSystemFeature}: The device can support having an external camera connected to it.
947     * The external camera may not always be connected or available to applications to use.
948     */
949    @SdkConstant(SdkConstantType.FEATURE)
950    public static final String FEATURE_CAMERA_EXTERNAL = "android.hardware.camera.external";
951
952    /**
953     * Feature for {@link #getSystemAvailableFeatures} and
954     * {@link #hasSystemFeature}: The device's camera supports flash.
955     */
956    @SdkConstant(SdkConstantType.FEATURE)
957    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
958
959    /**
960     * Feature for {@link #getSystemAvailableFeatures} and
961     * {@link #hasSystemFeature}: The device has a front facing camera.
962     */
963    @SdkConstant(SdkConstantType.FEATURE)
964    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
965
966    /**
967     * Feature for {@link #getSystemAvailableFeatures} and
968     * {@link #hasSystemFeature}: The device is capable of communicating with
969     * consumer IR devices.
970     */
971    @SdkConstant(SdkConstantType.FEATURE)
972    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
973
974    /**
975     * Feature for {@link #getSystemAvailableFeatures} and
976     * {@link #hasSystemFeature}: The device supports one or more methods of
977     * reporting current location.
978     */
979    @SdkConstant(SdkConstantType.FEATURE)
980    public static final String FEATURE_LOCATION = "android.hardware.location";
981
982    /**
983     * Feature for {@link #getSystemAvailableFeatures} and
984     * {@link #hasSystemFeature}: The device has a Global Positioning System
985     * receiver and can report precise location.
986     */
987    @SdkConstant(SdkConstantType.FEATURE)
988    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
989
990    /**
991     * Feature for {@link #getSystemAvailableFeatures} and
992     * {@link #hasSystemFeature}: The device can report location with coarse
993     * accuracy using a network-based geolocation system.
994     */
995    @SdkConstant(SdkConstantType.FEATURE)
996    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
997
998    /**
999     * Feature for {@link #getSystemAvailableFeatures} and
1000     * {@link #hasSystemFeature}: The device can record audio via a
1001     * microphone.
1002     */
1003    @SdkConstant(SdkConstantType.FEATURE)
1004    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
1005
1006    /**
1007     * Feature for {@link #getSystemAvailableFeatures} and
1008     * {@link #hasSystemFeature}: The device can communicate using Near-Field
1009     * Communications (NFC).
1010     */
1011    @SdkConstant(SdkConstantType.FEATURE)
1012    public static final String FEATURE_NFC = "android.hardware.nfc";
1013
1014    /**
1015     * Feature for {@link #getSystemAvailableFeatures} and
1016     * {@link #hasSystemFeature}: The device supports host-
1017     * based NFC card emulation.
1018     *
1019     * TODO remove when depending apps have moved to new constant.
1020     * @hide
1021     * @deprecated
1022     */
1023    @Deprecated
1024    @SdkConstant(SdkConstantType.FEATURE)
1025    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
1026
1027    /**
1028     * Feature for {@link #getSystemAvailableFeatures} and
1029     * {@link #hasSystemFeature}: The device supports host-
1030     * based NFC card emulation.
1031     */
1032    @SdkConstant(SdkConstantType.FEATURE)
1033    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1034
1035    /**
1036     * Feature for {@link #getSystemAvailableFeatures} and
1037     * {@link #hasSystemFeature}: The device includes an accelerometer.
1038     */
1039    @SdkConstant(SdkConstantType.FEATURE)
1040    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1041
1042    /**
1043     * Feature for {@link #getSystemAvailableFeatures} and
1044     * {@link #hasSystemFeature}: The device includes a barometer (air
1045     * pressure sensor.)
1046     */
1047    @SdkConstant(SdkConstantType.FEATURE)
1048    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1049
1050    /**
1051     * Feature for {@link #getSystemAvailableFeatures} and
1052     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1053     */
1054    @SdkConstant(SdkConstantType.FEATURE)
1055    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1056
1057    /**
1058     * Feature for {@link #getSystemAvailableFeatures} and
1059     * {@link #hasSystemFeature}: The device includes a gyroscope.
1060     */
1061    @SdkConstant(SdkConstantType.FEATURE)
1062    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1063
1064    /**
1065     * Feature for {@link #getSystemAvailableFeatures} and
1066     * {@link #hasSystemFeature}: The device includes a light sensor.
1067     */
1068    @SdkConstant(SdkConstantType.FEATURE)
1069    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1070
1071    /**
1072     * Feature for {@link #getSystemAvailableFeatures} and
1073     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1074     */
1075    @SdkConstant(SdkConstantType.FEATURE)
1076    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1077
1078    /**
1079     * Feature for {@link #getSystemAvailableFeatures} and
1080     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1081     */
1082    @SdkConstant(SdkConstantType.FEATURE)
1083    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1084
1085    /**
1086     * Feature for {@link #getSystemAvailableFeatures} and
1087     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1088     */
1089    @SdkConstant(SdkConstantType.FEATURE)
1090    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1091
1092    /**
1093     * Feature for {@link #getSystemAvailableFeatures} and
1094     * {@link #hasSystemFeature}: The device includes a heart rate monitor.
1095     */
1096    @SdkConstant(SdkConstantType.FEATURE)
1097    public static final String FEATURE_SENSOR_HEART_RATE = "android.hardware.sensor.heartrate";
1098
1099    /**
1100     * Feature for {@link #getSystemAvailableFeatures} and
1101     * {@link #hasSystemFeature}: The device has a telephony radio with data
1102     * communication support.
1103     */
1104    @SdkConstant(SdkConstantType.FEATURE)
1105    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1106
1107    /**
1108     * Feature for {@link #getSystemAvailableFeatures} and
1109     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1110     */
1111    @SdkConstant(SdkConstantType.FEATURE)
1112    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1113
1114    /**
1115     * Feature for {@link #getSystemAvailableFeatures} and
1116     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1117     */
1118    @SdkConstant(SdkConstantType.FEATURE)
1119    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1120
1121    /**
1122     * Feature for {@link #getSystemAvailableFeatures} and
1123     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1124     * as the USB host.
1125     */
1126    @SdkConstant(SdkConstantType.FEATURE)
1127    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1128
1129    /**
1130     * Feature for {@link #getSystemAvailableFeatures} and
1131     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1132     */
1133    @SdkConstant(SdkConstantType.FEATURE)
1134    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1135
1136    /**
1137     * Feature for {@link #getSystemAvailableFeatures} and
1138     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1139     */
1140    @SdkConstant(SdkConstantType.FEATURE)
1141    public static final String FEATURE_SIP = "android.software.sip";
1142
1143    /**
1144     * Feature for {@link #getSystemAvailableFeatures} and
1145     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1146     */
1147    @SdkConstant(SdkConstantType.FEATURE)
1148    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1149
1150    /**
1151     * Feature for {@link #getSystemAvailableFeatures} and
1152     * {@link #hasSystemFeature}: The device's display has a touch screen.
1153     */
1154    @SdkConstant(SdkConstantType.FEATURE)
1155    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1156
1157
1158    /**
1159     * Feature for {@link #getSystemAvailableFeatures} and
1160     * {@link #hasSystemFeature}: The device's touch screen supports
1161     * multitouch sufficient for basic two-finger gesture detection.
1162     */
1163    @SdkConstant(SdkConstantType.FEATURE)
1164    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1165
1166    /**
1167     * Feature for {@link #getSystemAvailableFeatures} and
1168     * {@link #hasSystemFeature}: The device's touch screen is capable of
1169     * tracking two or more fingers fully independently.
1170     */
1171    @SdkConstant(SdkConstantType.FEATURE)
1172    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1173
1174    /**
1175     * Feature for {@link #getSystemAvailableFeatures} and
1176     * {@link #hasSystemFeature}: The device's touch screen is capable of
1177     * tracking a full hand of fingers fully independently -- that is, 5 or
1178     * more simultaneous independent pointers.
1179     */
1180    @SdkConstant(SdkConstantType.FEATURE)
1181    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1182
1183    /**
1184     * Feature for {@link #getSystemAvailableFeatures} and
1185     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1186     * does support touch emulation for basic events. For instance, the
1187     * device might use a mouse or remote control to drive a cursor, and
1188     * emulate basic touch pointer events like down, up, drag, etc. All
1189     * devices that support android.hardware.touchscreen or a sub-feature are
1190     * presumed to also support faketouch.
1191     */
1192    @SdkConstant(SdkConstantType.FEATURE)
1193    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1194
1195    /**
1196     * Feature for {@link #getSystemAvailableFeatures} and
1197     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1198     * does support touch emulation for basic events that supports distinct
1199     * tracking of two or more fingers.  This is an extension of
1200     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1201     * that unlike a distinct multitouch screen as defined by
1202     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1203     * devices will not actually provide full two-finger gestures since the
1204     * input is being transformed to cursor movement on the screen.  That is,
1205     * single finger gestures will move a cursor; two-finger swipes will
1206     * result in single-finger touch events; other two-finger gestures will
1207     * result in the corresponding two-finger touch event.
1208     */
1209    @SdkConstant(SdkConstantType.FEATURE)
1210    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1211
1212    /**
1213     * Feature for {@link #getSystemAvailableFeatures} and
1214     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1215     * does support touch emulation for basic events that supports tracking
1216     * a hand of fingers (5 or more fingers) fully independently.
1217     * This is an extension of
1218     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1219     * that unlike a multitouch screen as defined by
1220     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1221     * gestures can be detected due to the limitations described for
1222     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1223     */
1224    @SdkConstant(SdkConstantType.FEATURE)
1225    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1226
1227    /**
1228     * Feature for {@link #getSystemAvailableFeatures} and
1229     * {@link #hasSystemFeature}: The device supports portrait orientation
1230     * screens.  For backwards compatibility, you can assume that if neither
1231     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1232     * both portrait and landscape.
1233     */
1234    @SdkConstant(SdkConstantType.FEATURE)
1235    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1236
1237    /**
1238     * Feature for {@link #getSystemAvailableFeatures} and
1239     * {@link #hasSystemFeature}: The device supports landscape orientation
1240     * screens.  For backwards compatibility, you can assume that if neither
1241     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1242     * both portrait and landscape.
1243     */
1244    @SdkConstant(SdkConstantType.FEATURE)
1245    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1246
1247    /**
1248     * Feature for {@link #getSystemAvailableFeatures} and
1249     * {@link #hasSystemFeature}: The device supports live wallpapers.
1250     */
1251    @SdkConstant(SdkConstantType.FEATURE)
1252    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1253    /**
1254     * Feature for {@link #getSystemAvailableFeatures} and
1255     * {@link #hasSystemFeature}: The device supports app widgets.
1256     */
1257    @SdkConstant(SdkConstantType.FEATURE)
1258    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1259
1260    /**
1261     * @hide
1262     * Feature for {@link #getSystemAvailableFeatures} and
1263     * {@link #hasSystemFeature}: The device supports
1264     * {@link android.service.voice.VoiceInteractionService} and
1265     * {@link android.app.VoiceInteractor}.
1266     */
1267    @SdkConstant(SdkConstantType.FEATURE)
1268    public static final String FEATURE_VOICE_RECOGNIZERS = "android.software.voice_recognizers";
1269
1270
1271    /**
1272     * Feature for {@link #getSystemAvailableFeatures} and
1273     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1274     * by third party applications.
1275     */
1276    @SdkConstant(SdkConstantType.FEATURE)
1277    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1278
1279    /**
1280     * Feature for {@link #getSystemAvailableFeatures} and
1281     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1282     * with the {@link android.inputmethodservice.InputMethodService} API.
1283     */
1284    @SdkConstant(SdkConstantType.FEATURE)
1285    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1286
1287    /**
1288     * Feature for {@link #getSystemAvailableFeatures} and
1289     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1290     */
1291    @SdkConstant(SdkConstantType.FEATURE)
1292    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1293
1294    /**
1295     * Feature for {@link #getSystemAvailableFeatures} and
1296     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1297     * typically used in a living room television experience, but is a software
1298     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1299     * feature will use resources associated with the "television" UI mode.
1300     */
1301    @SdkConstant(SdkConstantType.FEATURE)
1302    public static final String FEATURE_LEANBACK = "android.software.leanback";
1303
1304    /**
1305     * Feature for {@link #getSystemAvailableFeatures} and
1306     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1307     * applications designed for this experience should be run, though this is
1308     * not enforced by the system.
1309     * @hide
1310     */
1311    @SdkConstant(SdkConstantType.FEATURE)
1312    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1313
1314    /**
1315     * Feature for {@link #getSystemAvailableFeatures} and
1316     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1317     */
1318    @SdkConstant(SdkConstantType.FEATURE)
1319    public static final String FEATURE_WIFI = "android.hardware.wifi";
1320
1321    /**
1322     * Feature for {@link #getSystemAvailableFeatures} and
1323     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1324     */
1325    @SdkConstant(SdkConstantType.FEATURE)
1326    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1327
1328    /**
1329     * Feature for {@link #getSystemAvailableFeatures} and
1330     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1331     * on a television.  Television here is defined to be a typical living
1332     * room television experience: displayed on a big screen, where the user
1333     * is sitting far away from it, and the dominant form of input will be
1334     * something like a DPAD, not through touch or mouse.
1335     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1336     */
1337    @Deprecated
1338    @SdkConstant(SdkConstantType.FEATURE)
1339    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1340
1341    /**
1342     * Feature for {@link #getSystemAvailableFeatures} and
1343     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1344     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1345     * the wrist. The user is very close when interacting with the device.
1346     */
1347    @SdkConstant(SdkConstantType.FEATURE)
1348    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1349
1350    /**
1351     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1352     * The device supports printing.
1353     */
1354    @SdkConstant(SdkConstantType.FEATURE)
1355    public static final String FEATURE_PRINTING = "android.software.print";
1356
1357    /**
1358     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1359     * The device can perform backup and restore operations on installed applications.
1360     */
1361    @SdkConstant(SdkConstantType.FEATURE)
1362    public static final String FEATURE_BACKUP = "android.software.backup";
1363
1364    /**
1365     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1366     * The device supports managed profiles for enterprise users.
1367     */
1368    @SdkConstant(SdkConstantType.FEATURE)
1369    public static final String FEATURE_MANAGEDPROFILES = "android.software.managedprofiles";
1370
1371    /**
1372     * Action to external storage service to clean out removed apps.
1373     * @hide
1374     */
1375    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1376            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1377
1378    /**
1379     * Extra field name for the URI to a verification file. Passed to a package
1380     * verifier.
1381     *
1382     * @hide
1383     */
1384    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1385
1386    /**
1387     * Extra field name for the ID of a package pending verification. Passed to
1388     * a package verifier and is used to call back to
1389     * {@link PackageManager#verifyPendingInstall(int, int)}
1390     */
1391    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1392
1393    /**
1394     * Extra field name for the package identifier which is trying to install
1395     * the package.
1396     *
1397     * @hide
1398     */
1399    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1400            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1401
1402    /**
1403     * Extra field name for the requested install flags for a package pending
1404     * verification. Passed to a package verifier.
1405     *
1406     * @hide
1407     */
1408    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1409            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1410
1411    /**
1412     * Extra field name for the uid of who is requesting to install
1413     * the package.
1414     *
1415     * @hide
1416     */
1417    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1418            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1419
1420    /**
1421     * Extra field name for the package name of a package pending verification.
1422     *
1423     * @hide
1424     */
1425    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1426            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1427    /**
1428     * Extra field name for the result of a verification, either
1429     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1430     * Passed to package verifiers after a package is verified.
1431     */
1432    public static final String EXTRA_VERIFICATION_RESULT
1433            = "android.content.pm.extra.VERIFICATION_RESULT";
1434
1435    /**
1436     * Extra field name for the version code of a package pending verification.
1437     *
1438     * @hide
1439     */
1440    public static final String EXTRA_VERIFICATION_VERSION_CODE
1441            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1442
1443    /**
1444     * The action used to request that the user approve a permission request
1445     * from the application.
1446     *
1447     * @hide
1448     */
1449    public static final String ACTION_REQUEST_PERMISSION
1450            = "android.content.pm.action.REQUEST_PERMISSION";
1451
1452    /**
1453     * Extra field name for the list of permissions, which the user must approve.
1454     *
1455     * @hide
1456     */
1457    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1458            = "android.content.pm.extra.PERMISSION_LIST";
1459
1460    /**
1461     * String extra for {@link IPackageInstallObserver2} in the 'extras' Bundle in case of
1462     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the package which provides
1463     * the existing definition for the permission.
1464     * @hide
1465     */
1466    public static final String EXTRA_FAILURE_EXISTING_PACKAGE
1467            = "android.content.pm.extra.FAILURE_EXISTING_PACKAGE";
1468
1469    /**
1470     * String extra for {@link IPackageInstallObserver2} in the 'extras' Bundle in case of
1471     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the permission that is
1472     * being redundantly defined by the package being installed.
1473     * @hide
1474     */
1475    public static final String EXTRA_FAILURE_EXISTING_PERMISSION
1476            = "android.content.pm.extra.FAILURE_EXISTING_PERMISSION";
1477
1478    /**
1479     * Retrieve overall information about an application package that is
1480     * installed on the system.
1481     * <p>
1482     * Throws {@link NameNotFoundException} if a package with the given name can
1483     * not be found on the system.
1484     *
1485     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1486     *            desired package.
1487     * @param flags Additional option flags. Use any combination of
1488     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1489     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1490     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1491     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1492     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1493     *            modify the data returned.
1494     * @return Returns a PackageInfo object containing information about the
1495     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1496     *         package is not found in the list of installed applications, the
1497     *         package information is retrieved from the list of uninstalled
1498     *         applications (which includes installed applications as well as
1499     *         applications with data directory i.e. applications which had been
1500     *         deleted with {@code DONT_DELETE_DATA} flag set).
1501     * @see #GET_ACTIVITIES
1502     * @see #GET_GIDS
1503     * @see #GET_CONFIGURATIONS
1504     * @see #GET_INSTRUMENTATION
1505     * @see #GET_PERMISSIONS
1506     * @see #GET_PROVIDERS
1507     * @see #GET_RECEIVERS
1508     * @see #GET_SERVICES
1509     * @see #GET_SIGNATURES
1510     * @see #GET_UNINSTALLED_PACKAGES
1511     */
1512    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1513            throws NameNotFoundException;
1514
1515    /**
1516     * Map from the current package names in use on the device to whatever
1517     * the current canonical name of that package is.
1518     * @param names Array of current names to be mapped.
1519     * @return Returns an array of the same size as the original, containing
1520     * the canonical name for each package.
1521     */
1522    public abstract String[] currentToCanonicalPackageNames(String[] names);
1523
1524    /**
1525     * Map from a packages canonical name to the current name in use on the device.
1526     * @param names Array of new names to be mapped.
1527     * @return Returns an array of the same size as the original, containing
1528     * the current name for each package.
1529     */
1530    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1531
1532    /**
1533     * Return a "good" intent to launch a front-door activity in a package,
1534     * for use for example to implement an "open" button when browsing through
1535     * packages.  The current implementation will look first for a main
1536     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1537     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1538     * null if neither are found.
1539     *
1540     * <p>Throws {@link NameNotFoundException} if a package with the given
1541     * name cannot be found on the system.
1542     *
1543     * @param packageName The name of the package to inspect.
1544     *
1545     * @return Returns either a fully-qualified Intent that can be used to
1546     * launch the main activity in the package, or null if the package does
1547     * not contain such an activity.
1548     */
1549    public abstract Intent getLaunchIntentForPackage(String packageName);
1550
1551    /**
1552     * Return a "good" intent to launch a front-door Leanback activity in a
1553     * package, for use for example to implement an "open" button when browsing
1554     * through packages. The current implementation will look for a main
1555     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1556     * return null if no main leanback activities are found.
1557     * <p>
1558     * Throws {@link NameNotFoundException} if a package with the given name
1559     * cannot be found on the system.
1560     *
1561     * @param packageName The name of the package to inspect.
1562     * @return Returns either a fully-qualified Intent that can be used to launch
1563     *         the main Leanback activity in the package, or null if the package
1564     *         does not contain such an activity.
1565     */
1566    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1567
1568    /**
1569     * Return an array of all of the secondary group-ids that have been assigned
1570     * to a package.
1571     * <p>
1572     * Throws {@link NameNotFoundException} if a package with the given name
1573     * cannot be found on the system.
1574     *
1575     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1576     *            desired package.
1577     * @return Returns an int array of the assigned gids, or null if there are
1578     *         none.
1579     */
1580    public abstract int[] getPackageGids(String packageName)
1581            throws NameNotFoundException;
1582
1583    /**
1584     * @hide Return the uid associated with the given package name for the
1585     * given user.
1586     *
1587     * <p>Throws {@link NameNotFoundException} if a package with the given
1588     * name can not be found on the system.
1589     *
1590     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1591     *                    desired package.
1592     * @param userHandle The user handle identifier to look up the package under.
1593     *
1594     * @return Returns an integer uid who owns the given package name.
1595     */
1596    public abstract int getPackageUid(String packageName, int userHandle)
1597            throws NameNotFoundException;
1598
1599    /**
1600     * Retrieve all of the information we know about a particular permission.
1601     *
1602     * <p>Throws {@link NameNotFoundException} if a permission with the given
1603     * name cannot be found on the system.
1604     *
1605     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1606     *             of the permission you are interested in.
1607     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1608     * retrieve any meta-data associated with the permission.
1609     *
1610     * @return Returns a {@link PermissionInfo} containing information about the
1611     *         permission.
1612     */
1613    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1614            throws NameNotFoundException;
1615
1616    /**
1617     * Query for all of the permissions associated with a particular group.
1618     *
1619     * <p>Throws {@link NameNotFoundException} if the given group does not
1620     * exist.
1621     *
1622     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1623     *             of the permission group you are interested in.  Use null to
1624     *             find all of the permissions not associated with a group.
1625     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1626     * retrieve any meta-data associated with the permissions.
1627     *
1628     * @return Returns a list of {@link PermissionInfo} containing information
1629     * about all of the permissions in the given group.
1630     */
1631    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1632            int flags) throws NameNotFoundException;
1633
1634    /**
1635     * Retrieve all of the information we know about a particular group of
1636     * permissions.
1637     *
1638     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1639     * name cannot be found on the system.
1640     *
1641     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1642     *             of the permission you are interested in.
1643     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1644     * retrieve any meta-data associated with the permission group.
1645     *
1646     * @return Returns a {@link PermissionGroupInfo} containing information
1647     * about the permission.
1648     */
1649    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1650            int flags) throws NameNotFoundException;
1651
1652    /**
1653     * Retrieve all of the known permission groups in the system.
1654     *
1655     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1656     * retrieve any meta-data associated with the permission group.
1657     *
1658     * @return Returns a list of {@link PermissionGroupInfo} containing
1659     * information about all of the known permission groups.
1660     */
1661    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1662
1663    /**
1664     * Retrieve all of the information we know about a particular
1665     * package/application.
1666     *
1667     * <p>Throws {@link NameNotFoundException} if an application with the given
1668     * package name cannot be found on the system.
1669     *
1670     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1671     *                    application.
1672     * @param flags Additional option flags. Use any combination of
1673     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1674     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1675     *
1676     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1677     *         information about the package.
1678     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1679     *         found in the list of installed applications,
1680     *         the application information is retrieved from the
1681     *         list of uninstalled applications(which includes
1682     *         installed applications as well as applications
1683     *         with data directory ie applications which had been
1684     *         deleted with {@code DONT_DELETE_DATA} flag set).
1685     *
1686     * @see #GET_META_DATA
1687     * @see #GET_SHARED_LIBRARY_FILES
1688     * @see #GET_UNINSTALLED_PACKAGES
1689     */
1690    public abstract ApplicationInfo getApplicationInfo(String packageName,
1691            int flags) throws NameNotFoundException;
1692
1693    /**
1694     * Retrieve all of the information we know about a particular activity
1695     * class.
1696     *
1697     * <p>Throws {@link NameNotFoundException} if an activity with the given
1698     * class name cannot be found on the system.
1699     *
1700     * @param component The full component name (i.e.
1701     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1702     * class.
1703     * @param flags Additional option flags. Use any combination of
1704     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1705     * to modify the data (in ApplicationInfo) returned.
1706     *
1707     * @return {@link ActivityInfo} containing information about the activity.
1708     *
1709     * @see #GET_INTENT_FILTERS
1710     * @see #GET_META_DATA
1711     * @see #GET_SHARED_LIBRARY_FILES
1712     */
1713    public abstract ActivityInfo getActivityInfo(ComponentName component,
1714            int flags) throws NameNotFoundException;
1715
1716    /**
1717     * Retrieve all of the information we know about a particular receiver
1718     * class.
1719     *
1720     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1721     * class name cannot be found on the system.
1722     *
1723     * @param component The full component name (i.e.
1724     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1725     * class.
1726     * @param flags Additional option flags.  Use any combination of
1727     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1728     * to modify the data returned.
1729     *
1730     * @return {@link ActivityInfo} containing information about the receiver.
1731     *
1732     * @see #GET_INTENT_FILTERS
1733     * @see #GET_META_DATA
1734     * @see #GET_SHARED_LIBRARY_FILES
1735     */
1736    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1737            int flags) throws NameNotFoundException;
1738
1739    /**
1740     * Retrieve all of the information we know about a particular service
1741     * class.
1742     *
1743     * <p>Throws {@link NameNotFoundException} if a service with the given
1744     * class name cannot be found on the system.
1745     *
1746     * @param component The full component name (i.e.
1747     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1748     * class.
1749     * @param flags Additional option flags.  Use any combination of
1750     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1751     * to modify the data returned.
1752     *
1753     * @return ServiceInfo containing information about the service.
1754     *
1755     * @see #GET_META_DATA
1756     * @see #GET_SHARED_LIBRARY_FILES
1757     */
1758    public abstract ServiceInfo getServiceInfo(ComponentName component,
1759            int flags) throws NameNotFoundException;
1760
1761    /**
1762     * Retrieve all of the information we know about a particular content
1763     * provider class.
1764     *
1765     * <p>Throws {@link NameNotFoundException} if a provider with the given
1766     * class name cannot be found on the system.
1767     *
1768     * @param component The full component name (i.e.
1769     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1770     * ContentProvider class.
1771     * @param flags Additional option flags.  Use any combination of
1772     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1773     * to modify the data returned.
1774     *
1775     * @return ProviderInfo containing information about the service.
1776     *
1777     * @see #GET_META_DATA
1778     * @see #GET_SHARED_LIBRARY_FILES
1779     */
1780    public abstract ProviderInfo getProviderInfo(ComponentName component,
1781            int flags) throws NameNotFoundException;
1782
1783    /**
1784     * Return a List of all packages that are installed
1785     * on the device.
1786     *
1787     * @param flags Additional option flags. Use any combination of
1788     * {@link #GET_ACTIVITIES},
1789     * {@link #GET_GIDS},
1790     * {@link #GET_CONFIGURATIONS},
1791     * {@link #GET_INSTRUMENTATION},
1792     * {@link #GET_PERMISSIONS},
1793     * {@link #GET_PROVIDERS},
1794     * {@link #GET_RECEIVERS},
1795     * {@link #GET_SERVICES},
1796     * {@link #GET_SIGNATURES},
1797     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1798     *
1799     * @return A List of PackageInfo objects, one for each package that is
1800     *         installed on the device.  In the unlikely case of there being no
1801     *         installed packages, an empty list is returned.
1802     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1803     *         applications including those deleted with {@code DONT_DELETE_DATA}
1804     *         (partially installed apps with data directory) will be returned.
1805     *
1806     * @see #GET_ACTIVITIES
1807     * @see #GET_GIDS
1808     * @see #GET_CONFIGURATIONS
1809     * @see #GET_INSTRUMENTATION
1810     * @see #GET_PERMISSIONS
1811     * @see #GET_PROVIDERS
1812     * @see #GET_RECEIVERS
1813     * @see #GET_SERVICES
1814     * @see #GET_SIGNATURES
1815     * @see #GET_UNINSTALLED_PACKAGES
1816     */
1817    public abstract List<PackageInfo> getInstalledPackages(int flags);
1818
1819    /**
1820     * Return a List of all installed packages that are currently
1821     * holding any of the given permissions.
1822     *
1823     * @param flags Additional option flags. Use any combination of
1824     * {@link #GET_ACTIVITIES},
1825     * {@link #GET_GIDS},
1826     * {@link #GET_CONFIGURATIONS},
1827     * {@link #GET_INSTRUMENTATION},
1828     * {@link #GET_PERMISSIONS},
1829     * {@link #GET_PROVIDERS},
1830     * {@link #GET_RECEIVERS},
1831     * {@link #GET_SERVICES},
1832     * {@link #GET_SIGNATURES},
1833     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1834     *
1835     * @return Returns a List of PackageInfo objects, one for each installed
1836     * application that is holding any of the permissions that were provided.
1837     *
1838     * @see #GET_ACTIVITIES
1839     * @see #GET_GIDS
1840     * @see #GET_CONFIGURATIONS
1841     * @see #GET_INSTRUMENTATION
1842     * @see #GET_PERMISSIONS
1843     * @see #GET_PROVIDERS
1844     * @see #GET_RECEIVERS
1845     * @see #GET_SERVICES
1846     * @see #GET_SIGNATURES
1847     * @see #GET_UNINSTALLED_PACKAGES
1848     */
1849    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1850            String[] permissions, int flags);
1851
1852    /**
1853     * Return a List of all packages that are installed on the device, for a specific user.
1854     * Requesting a list of installed packages for another user
1855     * will require the permission INTERACT_ACROSS_USERS_FULL.
1856     * @param flags Additional option flags. Use any combination of
1857     * {@link #GET_ACTIVITIES},
1858     * {@link #GET_GIDS},
1859     * {@link #GET_CONFIGURATIONS},
1860     * {@link #GET_INSTRUMENTATION},
1861     * {@link #GET_PERMISSIONS},
1862     * {@link #GET_PROVIDERS},
1863     * {@link #GET_RECEIVERS},
1864     * {@link #GET_SERVICES},
1865     * {@link #GET_SIGNATURES},
1866     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1867     * @param userId The user for whom the installed packages are to be listed
1868     *
1869     * @return A List of PackageInfo objects, one for each package that is
1870     *         installed on the device.  In the unlikely case of there being no
1871     *         installed packages, an empty list is returned.
1872     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1873     *         applications including those deleted with {@code DONT_DELETE_DATA}
1874     *         (partially installed apps with data directory) will be returned.
1875     *
1876     * @see #GET_ACTIVITIES
1877     * @see #GET_GIDS
1878     * @see #GET_CONFIGURATIONS
1879     * @see #GET_INSTRUMENTATION
1880     * @see #GET_PERMISSIONS
1881     * @see #GET_PROVIDERS
1882     * @see #GET_RECEIVERS
1883     * @see #GET_SERVICES
1884     * @see #GET_SIGNATURES
1885     * @see #GET_UNINSTALLED_PACKAGES
1886     *
1887     * @hide
1888     */
1889    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1890
1891    /**
1892     * Check whether a particular package has been granted a particular
1893     * permission.
1894     *
1895     * @param permName The name of the permission you are checking for,
1896     * @param pkgName The name of the package you are checking against.
1897     *
1898     * @return If the package has the permission, PERMISSION_GRANTED is
1899     * returned.  If it does not have the permission, PERMISSION_DENIED
1900     * is returned.
1901     *
1902     * @see #PERMISSION_GRANTED
1903     * @see #PERMISSION_DENIED
1904     */
1905    public abstract int checkPermission(String permName, String pkgName);
1906
1907    /**
1908     * Add a new dynamic permission to the system.  For this to work, your
1909     * package must have defined a permission tree through the
1910     * {@link android.R.styleable#AndroidManifestPermissionTree
1911     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1912     * permissions to trees that were defined by either its own package or
1913     * another with the same user id; a permission is in a tree if it
1914     * matches the name of the permission tree + ".": for example,
1915     * "com.foo.bar" is a member of the permission tree "com.foo".
1916     *
1917     * <p>It is good to make your permission tree name descriptive, because you
1918     * are taking possession of that entire set of permission names.  Thus, it
1919     * must be under a domain you control, with a suffix that will not match
1920     * any normal permissions that may be declared in any applications that
1921     * are part of that domain.
1922     *
1923     * <p>New permissions must be added before
1924     * any .apks are installed that use those permissions.  Permissions you
1925     * add through this method are remembered across reboots of the device.
1926     * If the given permission already exists, the info you supply here
1927     * will be used to update it.
1928     *
1929     * @param info Description of the permission to be added.
1930     *
1931     * @return Returns true if a new permission was created, false if an
1932     * existing one was updated.
1933     *
1934     * @throws SecurityException if you are not allowed to add the
1935     * given permission name.
1936     *
1937     * @see #removePermission(String)
1938     */
1939    public abstract boolean addPermission(PermissionInfo info);
1940
1941    /**
1942     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1943     * persists the package manager state after returning from the call,
1944     * allowing it to return quicker and batch a series of adds at the
1945     * expense of no guarantee the added permission will be retained if
1946     * the device is rebooted before it is written.
1947     */
1948    public abstract boolean addPermissionAsync(PermissionInfo info);
1949
1950    /**
1951     * Removes a permission that was previously added with
1952     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1953     * -- you are only allowed to remove permissions that you are allowed
1954     * to add.
1955     *
1956     * @param name The name of the permission to remove.
1957     *
1958     * @throws SecurityException if you are not allowed to remove the
1959     * given permission name.
1960     *
1961     * @see #addPermission(PermissionInfo)
1962     */
1963    public abstract void removePermission(String name);
1964
1965    /**
1966     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1967     * which prompts the user to grant {@code permissions} to this application.
1968     * @hide
1969     *
1970     * @throws NullPointerException if {@code permissions} is {@code null}.
1971     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1972     */
1973    public Intent buildPermissionRequestIntent(String... permissions) {
1974        if (permissions == null) {
1975            throw new NullPointerException("permissions cannot be null");
1976        }
1977        for (String permission : permissions) {
1978            if (permission == null) {
1979                throw new IllegalArgumentException("permissions cannot contain null");
1980            }
1981        }
1982
1983        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1984        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1985        i.setPackage("com.android.packageinstaller");
1986        return i;
1987    }
1988
1989    /**
1990     * Grant a permission to an application which the application does not
1991     * already have.  The permission must have been requested by the application,
1992     * but as an optional permission.  If the application is not allowed to
1993     * hold the permission, a SecurityException is thrown.
1994     * @hide
1995     *
1996     * @param packageName The name of the package that the permission will be
1997     * granted to.
1998     * @param permissionName The name of the permission.
1999     */
2000    public abstract void grantPermission(String packageName, String permissionName);
2001
2002    /**
2003     * Revoke a permission that was previously granted by {@link #grantPermission}.
2004     * @hide
2005     *
2006     * @param packageName The name of the package that the permission will be
2007     * granted to.
2008     * @param permissionName The name of the permission.
2009     */
2010    public abstract void revokePermission(String packageName, String permissionName);
2011
2012    /**
2013     * Compare the signatures of two packages to determine if the same
2014     * signature appears in both of them.  If they do contain the same
2015     * signature, then they are allowed special privileges when working
2016     * with each other: they can share the same user-id, run instrumentation
2017     * against each other, etc.
2018     *
2019     * @param pkg1 First package name whose signature will be compared.
2020     * @param pkg2 Second package name whose signature will be compared.
2021     *
2022     * @return Returns an integer indicating whether all signatures on the
2023     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2024     * all signatures match or < 0 if there is not a match ({@link
2025     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2026     *
2027     * @see #checkSignatures(int, int)
2028     * @see #SIGNATURE_MATCH
2029     * @see #SIGNATURE_NO_MATCH
2030     * @see #SIGNATURE_UNKNOWN_PACKAGE
2031     */
2032    public abstract int checkSignatures(String pkg1, String pkg2);
2033
2034    /**
2035     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
2036     * the two packages to be checked.  This can be useful, for example,
2037     * when doing the check in an IPC, where the UID is the only identity
2038     * available.  It is functionally identical to determining the package
2039     * associated with the UIDs and checking their signatures.
2040     *
2041     * @param uid1 First UID whose signature will be compared.
2042     * @param uid2 Second UID whose signature will be compared.
2043     *
2044     * @return Returns an integer indicating whether all signatures on the
2045     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2046     * all signatures match or < 0 if there is not a match ({@link
2047     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2048     *
2049     * @see #checkSignatures(String, String)
2050     * @see #SIGNATURE_MATCH
2051     * @see #SIGNATURE_NO_MATCH
2052     * @see #SIGNATURE_UNKNOWN_PACKAGE
2053     */
2054    public abstract int checkSignatures(int uid1, int uid2);
2055
2056    /**
2057     * Retrieve the names of all packages that are associated with a particular
2058     * user id.  In most cases, this will be a single package name, the package
2059     * that has been assigned that user id.  Where there are multiple packages
2060     * sharing the same user id through the "sharedUserId" mechanism, all
2061     * packages with that id will be returned.
2062     *
2063     * @param uid The user id for which you would like to retrieve the
2064     * associated packages.
2065     *
2066     * @return Returns an array of one or more packages assigned to the user
2067     * id, or null if there are no known packages with the given id.
2068     */
2069    public abstract String[] getPackagesForUid(int uid);
2070
2071    /**
2072     * Retrieve the official name associated with a user id.  This name is
2073     * guaranteed to never change, though it is possibly for the underlying
2074     * user id to be changed.  That is, if you are storing information about
2075     * user ids in persistent storage, you should use the string returned
2076     * by this function instead of the raw user-id.
2077     *
2078     * @param uid The user id for which you would like to retrieve a name.
2079     * @return Returns a unique name for the given user id, or null if the
2080     * user id is not currently assigned.
2081     */
2082    public abstract String getNameForUid(int uid);
2083
2084    /**
2085     * Return the user id associated with a shared user name. Multiple
2086     * applications can specify a shared user name in their manifest and thus
2087     * end up using a common uid. This might be used for new applications
2088     * that use an existing shared user name and need to know the uid of the
2089     * shared user.
2090     *
2091     * @param sharedUserName The shared user name whose uid is to be retrieved.
2092     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2093     * if the shared user name is not being used by any installed packages
2094     * @hide
2095     */
2096    public abstract int getUidForSharedUser(String sharedUserName)
2097            throws NameNotFoundException;
2098
2099    /**
2100     * Return a List of all application packages that are installed on the
2101     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2102     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2103     * installed apps with data directory) will be returned.
2104     *
2105     * @param flags Additional option flags. Use any combination of
2106     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2107     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2108     *
2109     * @return Returns a List of ApplicationInfo objects, one for each application that
2110     *         is installed on the device.  In the unlikely case of there being
2111     *         no installed applications, an empty list is returned.
2112     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2113     *         applications including those deleted with {@code DONT_DELETE_DATA}
2114     *         (partially installed apps with data directory) will be returned.
2115     *
2116     * @see #GET_META_DATA
2117     * @see #GET_SHARED_LIBRARY_FILES
2118     * @see #GET_UNINSTALLED_PACKAGES
2119     */
2120    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2121
2122    /**
2123     * Get a list of shared libraries that are available on the
2124     * system.
2125     *
2126     * @return An array of shared library names that are
2127     * available on the system, or null if none are installed.
2128     *
2129     */
2130    public abstract String[] getSystemSharedLibraryNames();
2131
2132    /**
2133     * Get a list of features that are available on the
2134     * system.
2135     *
2136     * @return An array of FeatureInfo classes describing the features
2137     * that are available on the system, or null if there are none(!!).
2138     */
2139    public abstract FeatureInfo[] getSystemAvailableFeatures();
2140
2141    /**
2142     * Check whether the given feature name is one of the available
2143     * features as returned by {@link #getSystemAvailableFeatures()}.
2144     *
2145     * @return Returns true if the devices supports the feature, else
2146     * false.
2147     */
2148    public abstract boolean hasSystemFeature(String name);
2149
2150    /**
2151     * Determine the best action to perform for a given Intent.  This is how
2152     * {@link Intent#resolveActivity} finds an activity if a class has not
2153     * been explicitly specified.
2154     *
2155     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2156     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2157     * only flag.  You need to do so to resolve the activity in the same way
2158     * that {@link android.content.Context#startActivity(Intent)} and
2159     * {@link android.content.Intent#resolveActivity(PackageManager)
2160     * Intent.resolveActivity(PackageManager)} do.</p>
2161     *
2162     * @param intent An intent containing all of the desired specification
2163     *               (action, data, type, category, and/or component).
2164     * @param flags Additional option flags.  The most important is
2165     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2166     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2167     *
2168     * @return Returns a ResolveInfo containing the final activity intent that
2169     *         was determined to be the best action.  Returns null if no
2170     *         matching activity was found. If multiple matching activities are
2171     *         found and there is no default set, returns a ResolveInfo
2172     *         containing something else, such as the activity resolver.
2173     *
2174     * @see #MATCH_DEFAULT_ONLY
2175     * @see #GET_INTENT_FILTERS
2176     * @see #GET_RESOLVED_FILTER
2177     */
2178    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2179
2180    /**
2181     * Determine the best action to perform for a given Intent for a given user. This
2182     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2183     * been explicitly specified.
2184     *
2185     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2186     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2187     * only flag.  You need to do so to resolve the activity in the same way
2188     * that {@link android.content.Context#startActivity(Intent)} and
2189     * {@link android.content.Intent#resolveActivity(PackageManager)
2190     * Intent.resolveActivity(PackageManager)} do.</p>
2191     *
2192     * @param intent An intent containing all of the desired specification
2193     *               (action, data, type, category, and/or component).
2194     * @param flags Additional option flags.  The most important is
2195     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2196     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2197     * @param userId The user id.
2198     *
2199     * @return Returns a ResolveInfo containing the final activity intent that
2200     *         was determined to be the best action.  Returns null if no
2201     *         matching activity was found. If multiple matching activities are
2202     *         found and there is no default set, returns a ResolveInfo
2203     *         containing something else, such as the activity resolver.
2204     *
2205     * @see #MATCH_DEFAULT_ONLY
2206     * @see #GET_INTENT_FILTERS
2207     * @see #GET_RESOLVED_FILTER
2208     *
2209     * @hide
2210     */
2211    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2212
2213    /**
2214     * Retrieve all activities that can be performed for the given intent.
2215     *
2216     * @param intent The desired intent as per resolveActivity().
2217     * @param flags Additional option flags.  The most important is
2218     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2219     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2220     *
2221     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2222     *         Activity. These are ordered from best to worst match -- that
2223     *         is, the first item in the list is what is returned by
2224     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2225     *         list is returned.
2226     *
2227     * @see #MATCH_DEFAULT_ONLY
2228     * @see #GET_INTENT_FILTERS
2229     * @see #GET_RESOLVED_FILTER
2230     */
2231    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2232            int flags);
2233
2234    /**
2235     * Retrieve all activities that can be performed for the given intent, for a specific user.
2236     *
2237     * @param intent The desired intent as per resolveActivity().
2238     * @param flags Additional option flags.  The most important is
2239     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2240     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2241     *
2242     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2243     *         Activity. These are ordered from best to worst match -- that
2244     *         is, the first item in the list is what is returned by
2245     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2246     *         list is returned.
2247     *
2248     * @see #MATCH_DEFAULT_ONLY
2249     * @see #GET_INTENT_FILTERS
2250     * @see #GET_RESOLVED_FILTER
2251     * @hide
2252     */
2253    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2254            int flags, int userId);
2255
2256
2257    /**
2258     * Retrieve a set of activities that should be presented to the user as
2259     * similar options.  This is like {@link #queryIntentActivities}, except it
2260     * also allows you to supply a list of more explicit Intents that you would
2261     * like to resolve to particular options, and takes care of returning the
2262     * final ResolveInfo list in a reasonable order, with no duplicates, based
2263     * on those inputs.
2264     *
2265     * @param caller The class name of the activity that is making the
2266     *               request.  This activity will never appear in the output
2267     *               list.  Can be null.
2268     * @param specifics An array of Intents that should be resolved to the
2269     *                  first specific results.  Can be null.
2270     * @param intent The desired intent as per resolveActivity().
2271     * @param flags Additional option flags.  The most important is
2272     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2273     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2274     *
2275     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2276     *         Activity. These are ordered first by all of the intents resolved
2277     *         in <var>specifics</var> and then any additional activities that
2278     *         can handle <var>intent</var> but did not get included by one of
2279     *         the <var>specifics</var> intents.  If there are no matching
2280     *         activities, an empty list is returned.
2281     *
2282     * @see #MATCH_DEFAULT_ONLY
2283     * @see #GET_INTENT_FILTERS
2284     * @see #GET_RESOLVED_FILTER
2285     */
2286    public abstract List<ResolveInfo> queryIntentActivityOptions(
2287            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2288
2289    /**
2290     * Retrieve all receivers that can handle a broadcast of the given intent.
2291     *
2292     * @param intent The desired intent as per resolveActivity().
2293     * @param flags Additional option flags.
2294     *
2295     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2296     *         Receiver. These are ordered from first to last in priority.  If
2297     *         there are no matching receivers, an empty list is returned.
2298     *
2299     * @see #MATCH_DEFAULT_ONLY
2300     * @see #GET_INTENT_FILTERS
2301     * @see #GET_RESOLVED_FILTER
2302     */
2303    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2304            int flags);
2305
2306    /**
2307     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2308     * user.
2309     *
2310     * @param intent The desired intent as per resolveActivity().
2311     * @param flags Additional option flags.
2312     * @param userId The userId of the user being queried.
2313     *
2314     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2315     *         Receiver. These are ordered from first to last in priority.  If
2316     *         there are no matching receivers, an empty list is returned.
2317     *
2318     * @see #MATCH_DEFAULT_ONLY
2319     * @see #GET_INTENT_FILTERS
2320     * @see #GET_RESOLVED_FILTER
2321     * @hide
2322     */
2323    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2324            int flags, int userId);
2325
2326    /**
2327     * Determine the best service to handle for a given Intent.
2328     *
2329     * @param intent An intent containing all of the desired specification
2330     *               (action, data, type, category, and/or component).
2331     * @param flags Additional option flags.
2332     *
2333     * @return Returns a ResolveInfo containing the final service intent that
2334     *         was determined to be the best action.  Returns null if no
2335     *         matching service was found.
2336     *
2337     * @see #GET_INTENT_FILTERS
2338     * @see #GET_RESOLVED_FILTER
2339     */
2340    public abstract ResolveInfo resolveService(Intent intent, int flags);
2341
2342    /**
2343     * Retrieve all services that can match the given intent.
2344     *
2345     * @param intent The desired intent as per resolveService().
2346     * @param flags Additional option flags.
2347     *
2348     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2349     *         ServiceInfo. These are ordered from best to worst match -- that
2350     *         is, the first item in the list is what is returned by
2351     *         resolveService().  If there are no matching services, an empty
2352     *         list is returned.
2353     *
2354     * @see #GET_INTENT_FILTERS
2355     * @see #GET_RESOLVED_FILTER
2356     */
2357    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2358            int flags);
2359
2360    /**
2361     * Retrieve all services that can match the given intent for a given user.
2362     *
2363     * @param intent The desired intent as per resolveService().
2364     * @param flags Additional option flags.
2365     * @param userId The user id.
2366     *
2367     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2368     *         ServiceInfo. These are ordered from best to worst match -- that
2369     *         is, the first item in the list is what is returned by
2370     *         resolveService().  If there are no matching services, an empty
2371     *         list is returned.
2372     *
2373     * @see #GET_INTENT_FILTERS
2374     * @see #GET_RESOLVED_FILTER
2375     *
2376     * @hide
2377     */
2378    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2379            int flags, int userId);
2380
2381    /** {@hide} */
2382    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2383            Intent intent, int flags, int userId);
2384
2385    /**
2386     * Retrieve all providers that can match the given intent.
2387     *
2388     * @param intent An intent containing all of the desired specification
2389     *            (action, data, type, category, and/or component).
2390     * @param flags Additional option flags.
2391     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2392     *         ProviderInfo. These are ordered from best to worst match. If
2393     *         there are no matching providers, an empty list is returned.
2394     * @see #GET_INTENT_FILTERS
2395     * @see #GET_RESOLVED_FILTER
2396     */
2397    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2398
2399    /**
2400     * Find a single content provider by its base path name.
2401     *
2402     * @param name The name of the provider to find.
2403     * @param flags Additional option flags.  Currently should always be 0.
2404     *
2405     * @return ContentProviderInfo Information about the provider, if found,
2406     *         else null.
2407     */
2408    public abstract ProviderInfo resolveContentProvider(String name,
2409            int flags);
2410
2411    /**
2412     * Retrieve content provider information.
2413     *
2414     * <p><em>Note: unlike most other methods, an empty result set is indicated
2415     * by a null return instead of an empty list.</em>
2416     *
2417     * @param processName If non-null, limits the returned providers to only
2418     *                    those that are hosted by the given process.  If null,
2419     *                    all content providers are returned.
2420     * @param uid If <var>processName</var> is non-null, this is the required
2421     *        uid owning the requested content providers.
2422     * @param flags Additional option flags.  Currently should always be 0.
2423     *
2424     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2425     *         content provider either patching <var>processName</var> or, if
2426     *         <var>processName</var> is null, all known content providers.
2427     *         <em>If there are no matching providers, null is returned.</em>
2428     */
2429    public abstract List<ProviderInfo> queryContentProviders(
2430            String processName, int uid, int flags);
2431
2432    /**
2433     * Retrieve all of the information we know about a particular
2434     * instrumentation class.
2435     *
2436     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2437     * given class name cannot be found on the system.
2438     *
2439     * @param className The full name (i.e.
2440     *                  com.google.apps.contacts.InstrumentList) of an
2441     *                  Instrumentation class.
2442     * @param flags Additional option flags.  Currently should always be 0.
2443     *
2444     * @return InstrumentationInfo containing information about the
2445     *         instrumentation.
2446     */
2447    public abstract InstrumentationInfo getInstrumentationInfo(
2448            ComponentName className, int flags) throws NameNotFoundException;
2449
2450    /**
2451     * Retrieve information about available instrumentation code.  May be used
2452     * to retrieve either all instrumentation code, or only the code targeting
2453     * a particular package.
2454     *
2455     * @param targetPackage If null, all instrumentation is returned; only the
2456     *                      instrumentation targeting this package name is
2457     *                      returned.
2458     * @param flags Additional option flags.  Currently should always be 0.
2459     *
2460     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2461     *         matching available Instrumentation.  Returns an empty list if
2462     *         there is no instrumentation available for the given package.
2463     */
2464    public abstract List<InstrumentationInfo> queryInstrumentation(
2465            String targetPackage, int flags);
2466
2467    /**
2468     * Retrieve an image from a package.  This is a low-level API used by
2469     * the various package manager info structures (such as
2470     * {@link ComponentInfo} to implement retrieval of their associated
2471     * icon.
2472     *
2473     * @param packageName The name of the package that this icon is coming from.
2474     * Cannot be null.
2475     * @param resid The resource identifier of the desired image.  Cannot be 0.
2476     * @param appInfo Overall information about <var>packageName</var>.  This
2477     * may be null, in which case the application information will be retrieved
2478     * for you if needed; if you already have this information around, it can
2479     * be much more efficient to supply it here.
2480     *
2481     * @return Returns a Drawable holding the requested image.  Returns null if
2482     * an image could not be found for any reason.
2483     */
2484    public abstract Drawable getDrawable(String packageName, int resid,
2485            ApplicationInfo appInfo);
2486
2487    /**
2488     * Retrieve the icon associated with an activity.  Given the full name of
2489     * an activity, retrieves the information about it and calls
2490     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2491     * If the activity cannot be found, NameNotFoundException is thrown.
2492     *
2493     * @param activityName Name of the activity whose icon is to be retrieved.
2494     *
2495     * @return Returns the image of the icon, or the default activity icon if
2496     * it could not be found.  Does not return null.
2497     * @throws NameNotFoundException Thrown if the resources for the given
2498     * activity could not be loaded.
2499     *
2500     * @see #getActivityIcon(Intent)
2501     */
2502    public abstract Drawable getActivityIcon(ComponentName activityName)
2503            throws NameNotFoundException;
2504
2505    /**
2506     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2507     * set, this simply returns the result of
2508     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2509     * component and returns the icon associated with the resolved component.
2510     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2511     * to a component, NameNotFoundException is thrown.
2512     *
2513     * @param intent The intent for which you would like to retrieve an icon.
2514     *
2515     * @return Returns the image of the icon, or the default activity icon if
2516     * it could not be found.  Does not return null.
2517     * @throws NameNotFoundException Thrown if the resources for application
2518     * matching the given intent could not be loaded.
2519     *
2520     * @see #getActivityIcon(ComponentName)
2521     */
2522    public abstract Drawable getActivityIcon(Intent intent)
2523            throws NameNotFoundException;
2524
2525    /**
2526     * Retrieve the banner associated with an activity. Given the full name of
2527     * an activity, retrieves the information about it and calls
2528     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2529     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2530     *
2531     * @param activityName Name of the activity whose banner is to be retrieved.
2532     * @return Returns the image of the banner, or null if the activity has no
2533     *         banner specified.
2534     * @throws NameNotFoundException Thrown if the resources for the given
2535     *             activity could not be loaded.
2536     * @see #getActivityBanner(Intent)
2537     */
2538    public abstract Drawable getActivityBanner(ComponentName activityName)
2539            throws NameNotFoundException;
2540
2541    /**
2542     * Retrieve the banner associated with an Intent. If intent.getClassName()
2543     * is set, this simply returns the result of
2544     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2545     * intent's component and returns the banner associated with the resolved
2546     * component. If intent.getClassName() cannot be found or the Intent cannot
2547     * be resolved to a component, NameNotFoundException is thrown.
2548     *
2549     * @param intent The intent for which you would like to retrieve a banner.
2550     * @return Returns the image of the banner, or null if the activity has no
2551     *         banner specified.
2552     * @throws NameNotFoundException Thrown if the resources for application
2553     *             matching the given intent could not be loaded.
2554     * @see #getActivityBanner(ComponentName)
2555     */
2556    public abstract Drawable getActivityBanner(Intent intent)
2557            throws NameNotFoundException;
2558
2559    /**
2560     * Return the generic icon for an activity that is used when no specific
2561     * icon is defined.
2562     *
2563     * @return Drawable Image of the icon.
2564     */
2565    public abstract Drawable getDefaultActivityIcon();
2566
2567    /**
2568     * Retrieve the icon associated with an application.  If it has not defined
2569     * an icon, the default app icon is returned.  Does not return null.
2570     *
2571     * @param info Information about application being queried.
2572     *
2573     * @return Returns the image of the icon, or the default application icon
2574     * if it could not be found.
2575     *
2576     * @see #getApplicationIcon(String)
2577     */
2578    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2579
2580    /**
2581     * Retrieve the icon associated with an application.  Given the name of the
2582     * application's package, retrieves the information about it and calls
2583     * getApplicationIcon() to return its icon. If the application cannot be
2584     * found, NameNotFoundException is thrown.
2585     *
2586     * @param packageName Name of the package whose application icon is to be
2587     *                    retrieved.
2588     *
2589     * @return Returns the image of the icon, or the default application icon
2590     * if it could not be found.  Does not return null.
2591     * @throws NameNotFoundException Thrown if the resources for the given
2592     * application could not be loaded.
2593     *
2594     * @see #getApplicationIcon(ApplicationInfo)
2595     */
2596    public abstract Drawable getApplicationIcon(String packageName)
2597            throws NameNotFoundException;
2598
2599    /**
2600     * Retrieve the banner associated with an application.
2601     *
2602     * @param info Information about application being queried.
2603     * @return Returns the image of the banner or null if the application has no
2604     *         banner specified.
2605     * @see #getApplicationBanner(String)
2606     */
2607    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2608
2609    /**
2610     * Retrieve the banner associated with an application. Given the name of the
2611     * application's package, retrieves the information about it and calls
2612     * getApplicationIcon() to return its banner. If the application cannot be
2613     * found, NameNotFoundException is thrown.
2614     *
2615     * @param packageName Name of the package whose application banner is to be
2616     *            retrieved.
2617     * @return Returns the image of the banner or null if the application has no
2618     *         banner specified.
2619     * @throws NameNotFoundException Thrown if the resources for the given
2620     *             application could not be loaded.
2621     * @see #getApplicationBanner(ApplicationInfo)
2622     */
2623    public abstract Drawable getApplicationBanner(String packageName)
2624            throws NameNotFoundException;
2625
2626    /**
2627     * Retrieve the logo associated with an activity. Given the full name of an
2628     * activity, retrieves the information about it and calls
2629     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2630     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2631     *
2632     * @param activityName Name of the activity whose logo is to be retrieved.
2633     * @return Returns the image of the logo or null if the activity has no logo
2634     *         specified.
2635     * @throws NameNotFoundException Thrown if the resources for the given
2636     *             activity could not be loaded.
2637     * @see #getActivityLogo(Intent)
2638     */
2639    public abstract Drawable getActivityLogo(ComponentName activityName)
2640            throws NameNotFoundException;
2641
2642    /**
2643     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2644     * set, this simply returns the result of
2645     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2646     * component and returns the logo associated with the resolved component.
2647     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2648     * to a component, NameNotFoundException is thrown.
2649     *
2650     * @param intent The intent for which you would like to retrieve a logo.
2651     *
2652     * @return Returns the image of the logo, or null if the activity has no
2653     * logo specified.
2654     *
2655     * @throws NameNotFoundException Thrown if the resources for application
2656     * matching the given intent could not be loaded.
2657     *
2658     * @see #getActivityLogo(ComponentName)
2659     */
2660    public abstract Drawable getActivityLogo(Intent intent)
2661            throws NameNotFoundException;
2662
2663    /**
2664     * Retrieve the logo associated with an application.  If it has not specified
2665     * a logo, this method returns null.
2666     *
2667     * @param info Information about application being queried.
2668     *
2669     * @return Returns the image of the logo, or null if no logo is specified
2670     * by the application.
2671     *
2672     * @see #getApplicationLogo(String)
2673     */
2674    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2675
2676    /**
2677     * Retrieve the logo associated with an application.  Given the name of the
2678     * application's package, retrieves the information about it and calls
2679     * getApplicationLogo() to return its logo. If the application cannot be
2680     * found, NameNotFoundException is thrown.
2681     *
2682     * @param packageName Name of the package whose application logo is to be
2683     *                    retrieved.
2684     *
2685     * @return Returns the image of the logo, or null if no application logo
2686     * has been specified.
2687     *
2688     * @throws NameNotFoundException Thrown if the resources for the given
2689     * application could not be loaded.
2690     *
2691     * @see #getApplicationLogo(ApplicationInfo)
2692     */
2693    public abstract Drawable getApplicationLogo(String packageName)
2694            throws NameNotFoundException;
2695
2696    /**
2697     * Retrieve text from a package.  This is a low-level API used by
2698     * the various package manager info structures (such as
2699     * {@link ComponentInfo} to implement retrieval of their associated
2700     * labels and other text.
2701     *
2702     * @param packageName The name of the package that this text is coming from.
2703     * Cannot be null.
2704     * @param resid The resource identifier of the desired text.  Cannot be 0.
2705     * @param appInfo Overall information about <var>packageName</var>.  This
2706     * may be null, in which case the application information will be retrieved
2707     * for you if needed; if you already have this information around, it can
2708     * be much more efficient to supply it here.
2709     *
2710     * @return Returns a CharSequence holding the requested text.  Returns null
2711     * if the text could not be found for any reason.
2712     */
2713    public abstract CharSequence getText(String packageName, int resid,
2714            ApplicationInfo appInfo);
2715
2716    /**
2717     * Retrieve an XML file from a package.  This is a low-level API used to
2718     * retrieve XML meta data.
2719     *
2720     * @param packageName The name of the package that this xml is coming from.
2721     * Cannot be null.
2722     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2723     * @param appInfo Overall information about <var>packageName</var>.  This
2724     * may be null, in which case the application information will be retrieved
2725     * for you if needed; if you already have this information around, it can
2726     * be much more efficient to supply it here.
2727     *
2728     * @return Returns an XmlPullParser allowing you to parse out the XML
2729     * data.  Returns null if the xml resource could not be found for any
2730     * reason.
2731     */
2732    public abstract XmlResourceParser getXml(String packageName, int resid,
2733            ApplicationInfo appInfo);
2734
2735    /**
2736     * Return the label to use for this application.
2737     *
2738     * @return Returns the label associated with this application, or null if
2739     * it could not be found for any reason.
2740     * @param info The application to get the label of.
2741     */
2742    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2743
2744    /**
2745     * Retrieve the resources associated with an activity.  Given the full
2746     * name of an activity, retrieves the information about it and calls
2747     * getResources() to return its application's resources.  If the activity
2748     * cannot be found, NameNotFoundException is thrown.
2749     *
2750     * @param activityName Name of the activity whose resources are to be
2751     *                     retrieved.
2752     *
2753     * @return Returns the application's Resources.
2754     * @throws NameNotFoundException Thrown if the resources for the given
2755     * application could not be loaded.
2756     *
2757     * @see #getResourcesForApplication(ApplicationInfo)
2758     */
2759    public abstract Resources getResourcesForActivity(ComponentName activityName)
2760            throws NameNotFoundException;
2761
2762    /**
2763     * Retrieve the resources for an application.  Throws NameNotFoundException
2764     * if the package is no longer installed.
2765     *
2766     * @param app Information about the desired application.
2767     *
2768     * @return Returns the application's Resources.
2769     * @throws NameNotFoundException Thrown if the resources for the given
2770     * application could not be loaded (most likely because it was uninstalled).
2771     */
2772    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2773            throws NameNotFoundException;
2774
2775    /**
2776     * Retrieve the resources associated with an application.  Given the full
2777     * package name of an application, retrieves the information about it and
2778     * calls getResources() to return its application's resources.  If the
2779     * appPackageName cannot be found, NameNotFoundException is thrown.
2780     *
2781     * @param appPackageName Package name of the application whose resources
2782     *                       are to be retrieved.
2783     *
2784     * @return Returns the application's Resources.
2785     * @throws NameNotFoundException Thrown if the resources for the given
2786     * application could not be loaded.
2787     *
2788     * @see #getResourcesForApplication(ApplicationInfo)
2789     */
2790    public abstract Resources getResourcesForApplication(String appPackageName)
2791            throws NameNotFoundException;
2792
2793    /** @hide */
2794    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2795            throws NameNotFoundException;
2796
2797    /**
2798     * Retrieve overall information about an application package defined
2799     * in a package archive file
2800     *
2801     * @param archiveFilePath The path to the archive file
2802     * @param flags Additional option flags. Use any combination of
2803     * {@link #GET_ACTIVITIES},
2804     * {@link #GET_GIDS},
2805     * {@link #GET_CONFIGURATIONS},
2806     * {@link #GET_INSTRUMENTATION},
2807     * {@link #GET_PERMISSIONS},
2808     * {@link #GET_PROVIDERS},
2809     * {@link #GET_RECEIVERS},
2810     * {@link #GET_SERVICES},
2811     * {@link #GET_SIGNATURES}, to modify the data returned.
2812     *
2813     * @return Returns the information about the package. Returns
2814     * null if the package could not be successfully parsed.
2815     *
2816     * @see #GET_ACTIVITIES
2817     * @see #GET_GIDS
2818     * @see #GET_CONFIGURATIONS
2819     * @see #GET_INSTRUMENTATION
2820     * @see #GET_PERMISSIONS
2821     * @see #GET_PROVIDERS
2822     * @see #GET_RECEIVERS
2823     * @see #GET_SERVICES
2824     * @see #GET_SIGNATURES
2825     *
2826     */
2827    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2828        PackageParser packageParser = new PackageParser(archiveFilePath);
2829        DisplayMetrics metrics = new DisplayMetrics();
2830        metrics.setToDefaults();
2831        final File sourceFile = new File(archiveFilePath);
2832        PackageParser.Package pkg = packageParser.parsePackage(
2833                sourceFile, archiveFilePath, metrics, 0);
2834        if (pkg == null) {
2835            return null;
2836        }
2837        if ((flags & GET_SIGNATURES) != 0) {
2838            packageParser.collectCertificates(pkg, 0);
2839        }
2840        PackageUserState state = new PackageUserState();
2841        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2842    }
2843
2844    /**
2845     * @hide
2846     *
2847     * Install a package. Since this may take a little while, the result will
2848     * be posted back to the given observer.  An installation will fail if the calling context
2849     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2850     * package named in the package file's manifest is already installed, or if there's no space
2851     * available on the device.
2852     *
2853     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2854     * 'content:' URI.
2855     * @param observer An observer callback to get notified when the package installation is
2856     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2857     * called when that happens.  This parameter must not be null.
2858     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2859     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2860     * @param installerPackageName Optional package name of the application that is performing the
2861     * installation. This identifies which market the package came from.
2862     * @deprecated Use {@link #installPackage(Uri, IPackageInstallObserver2, int, String)}
2863     * instead.  This method will continue to be supported but the older observer interface
2864     * will not get additional failure details.
2865     */
2866    public abstract void installPackage(
2867            Uri packageURI, IPackageInstallObserver observer, int flags,
2868            String installerPackageName);
2869
2870    /**
2871     * Similar to
2872     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2873     * with an extra verification file provided.
2874     *
2875     * @param packageURI The location of the package file to install. This can
2876     *            be a 'file:' or a 'content:' URI.
2877     * @param observer An observer callback to get notified when the package
2878     *            installation is complete.
2879     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2880     *            will be called when that happens. This parameter must not be null.
2881     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2882     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2883     * @param installerPackageName Optional package name of the application that
2884     *            is performing the installation. This identifies which market
2885     *            the package came from.
2886     * @param verificationURI The location of the supplementary verification
2887     *            file. This can be a 'file:' or a 'content:' URI. May be
2888     *            {@code null}.
2889     * @param manifestDigest an object that holds the digest of the package
2890     *            which can be used to verify ownership. May be {@code null}.
2891     * @param encryptionParams if the package to be installed is encrypted,
2892     *            these parameters describing the encryption and authentication
2893     *            used. May be {@code null}.
2894     * @hide
2895     * @deprecated Use {@link #installPackageWithVerification(Uri, IPackageInstallObserver2,
2896     * int, String, Uri, ManifestDigest, ContainerEncryptionParams)} instead.  This method will
2897     * continue to be supported but the older observer interface will not get additional failure
2898     * details.
2899     */
2900    public abstract void installPackageWithVerification(Uri packageURI,
2901            IPackageInstallObserver observer, int flags, String installerPackageName,
2902            Uri verificationURI, ManifestDigest manifestDigest,
2903            ContainerEncryptionParams encryptionParams);
2904
2905    /**
2906     * Similar to
2907     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2908     * with an extra verification information provided.
2909     *
2910     * @param packageURI The location of the package file to install. This can
2911     *            be a 'file:' or a 'content:' URI.
2912     * @param observer An observer callback to get notified when the package
2913     *            installation is complete.
2914     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2915     *            will be called when that happens. This parameter must not be null.
2916     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2917     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2918     * @param installerPackageName Optional package name of the application that
2919     *            is performing the installation. This identifies which market
2920     *            the package came from.
2921     * @param verificationParams an object that holds signal information to
2922     *            assist verification. May be {@code null}.
2923     * @param encryptionParams if the package to be installed is encrypted,
2924     *            these parameters describing the encryption and authentication
2925     *            used. May be {@code null}.
2926     *
2927     * @hide
2928     * @deprecated Use {@link #installPackageWithVerificationAndEncryption(Uri,
2929     * IPackageInstallObserver2, int, String, VerificationParams,
2930     * ContainerEncryptionParams)} instead.  This method will continue to be
2931     * supported but the older observer interface will not get additional failure details.
2932     */
2933    @Deprecated
2934    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2935            IPackageInstallObserver observer, int flags, String installerPackageName,
2936            VerificationParams verificationParams,
2937            ContainerEncryptionParams encryptionParams);
2938
2939    // Package-install variants that take the new, expanded form of observer interface.
2940    // Note that these *also* take the original observer type and will redundantly
2941    // report the same information to that observer if supplied; but it is not required.
2942
2943    /**
2944     * @hide
2945     *
2946     * Install a package. Since this may take a little while, the result will
2947     * be posted back to the given observer.  An installation will fail if the calling context
2948     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2949     * package named in the package file's manifest is already installed, or if there's no space
2950     * available on the device.
2951     *
2952     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2953     * 'content:' URI.
2954     * @param observer An observer callback to get notified when the package installation is
2955     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
2956     * called when that happens. This parameter must not be null.
2957     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2958     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2959     * @param installerPackageName Optional package name of the application that is performing the
2960     * installation. This identifies which market the package came from.
2961     */
2962    public abstract void installPackage(
2963            Uri packageURI, PackageInstallObserver observer,
2964            int flags, String installerPackageName);
2965
2966    /**
2967     * Similar to
2968     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2969     * with an extra verification file provided.
2970     *
2971     * @param packageURI The location of the package file to install. This can
2972     *            be a 'file:' or a 'content:' URI.
2973     * @param observer An observer callback to get notified when the package installation is
2974     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
2975     * called when that happens. This parameter must not be null.
2976     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2977     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2978     * @param installerPackageName Optional package name of the application that
2979     *            is performing the installation. This identifies which market
2980     *            the package came from.
2981     * @param verificationURI The location of the supplementary verification
2982     *            file. This can be a 'file:' or a 'content:' URI. May be
2983     *            {@code null}.
2984     * @param manifestDigest an object that holds the digest of the package
2985     *            which can be used to verify ownership. May be {@code null}.
2986     * @param encryptionParams if the package to be installed is encrypted,
2987     *            these parameters describing the encryption and authentication
2988     *            used. May be {@code null}.
2989     * @hide
2990     */
2991    public abstract void installPackageWithVerification(Uri packageURI,
2992            PackageInstallObserver observer, int flags, String installerPackageName,
2993            Uri verificationURI, ManifestDigest manifestDigest,
2994            ContainerEncryptionParams encryptionParams);
2995
2996    /**
2997     * Similar to
2998     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2999     * with an extra verification information provided.
3000     *
3001     * @param packageURI The location of the package file to install. This can
3002     *            be a 'file:' or a 'content:' URI.
3003     * @param observer An observer callback to get notified when the package installation is
3004     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3005     * called when that happens. This parameter must not be null.
3006     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3007     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3008     * @param installerPackageName Optional package name of the application that
3009     *            is performing the installation. This identifies which market
3010     *            the package came from.
3011     * @param verificationParams an object that holds signal information to
3012     *            assist verification. May be {@code null}.
3013     * @param encryptionParams if the package to be installed is encrypted,
3014     *            these parameters describing the encryption and authentication
3015     *            used. May be {@code null}.
3016     *
3017     * @hide
3018     */
3019    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
3020            PackageInstallObserver observer, int flags, String installerPackageName,
3021            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams);
3022
3023    /**
3024     * If there is already an application with the given package name installed
3025     * on the system for other users, also install it for the calling user.
3026     * @hide
3027     */
3028    public abstract int installExistingPackage(String packageName)
3029            throws NameNotFoundException;
3030
3031    /**
3032     * Allows a package listening to the
3033     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3034     * broadcast} to respond to the package manager. The response must include
3035     * the {@code verificationCode} which is one of
3036     * {@link PackageManager#VERIFICATION_ALLOW} or
3037     * {@link PackageManager#VERIFICATION_REJECT}.
3038     *
3039     * @param id pending package identifier as passed via the
3040     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3041     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
3042     *            or {@link PackageManager#VERIFICATION_REJECT}.
3043     * @throws SecurityException if the caller does not have the
3044     *            PACKAGE_VERIFICATION_AGENT permission.
3045     */
3046    public abstract void verifyPendingInstall(int id, int verificationCode);
3047
3048    /**
3049     * Allows a package listening to the
3050     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3051     * broadcast} to extend the default timeout for a response and declare what
3052     * action to perform after the timeout occurs. The response must include
3053     * the {@code verificationCodeAtTimeout} which is one of
3054     * {@link PackageManager#VERIFICATION_ALLOW} or
3055     * {@link PackageManager#VERIFICATION_REJECT}.
3056     *
3057     * This method may only be called once per package id. Additional calls
3058     * will have no effect.
3059     *
3060     * @param id pending package identifier as passed via the
3061     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3062     * @param verificationCodeAtTimeout either
3063     *            {@link PackageManager#VERIFICATION_ALLOW} or
3064     *            {@link PackageManager#VERIFICATION_REJECT}. If
3065     *            {@code verificationCodeAtTimeout} is neither
3066     *            {@link PackageManager#VERIFICATION_ALLOW} or
3067     *            {@link PackageManager#VERIFICATION_REJECT}, then
3068     *            {@code verificationCodeAtTimeout} will default to
3069     *            {@link PackageManager#VERIFICATION_REJECT}.
3070     * @param millisecondsToDelay the amount of time requested for the timeout.
3071     *            Must be positive and less than
3072     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
3073     *            {@code millisecondsToDelay} is out of bounds,
3074     *            {@code millisecondsToDelay} will be set to the closest in
3075     *            bounds value; namely, 0 or
3076     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
3077     * @throws SecurityException if the caller does not have the
3078     *            PACKAGE_VERIFICATION_AGENT permission.
3079     */
3080    public abstract void extendVerificationTimeout(int id,
3081            int verificationCodeAtTimeout, long millisecondsToDelay);
3082
3083    /**
3084     * Change the installer associated with a given package.  There are limitations
3085     * on how the installer package can be changed; in particular:
3086     * <ul>
3087     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
3088     * is not signed with the same certificate as the calling application.
3089     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
3090     * has an installer package, and that installer package is not signed with
3091     * the same certificate as the calling application.
3092     * </ul>
3093     *
3094     * @param targetPackage The installed package whose installer will be changed.
3095     * @param installerPackageName The package name of the new installer.  May be
3096     * null to clear the association.
3097     */
3098    public abstract void setInstallerPackageName(String targetPackage,
3099            String installerPackageName);
3100
3101    /**
3102     * Attempts to delete a package.  Since this may take a little while, the result will
3103     * be posted back to the given observer.  A deletion will fail if the calling context
3104     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
3105     * named package cannot be found, or if the named package is a "system package".
3106     * (TODO: include pointer to documentation on "system packages")
3107     *
3108     * @param packageName The name of the package to delete
3109     * @param observer An observer callback to get notified when the package deletion is
3110     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
3111     * called when that happens.  observer may be null to indicate that no callback is desired.
3112     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
3113     * {@link #DELETE_ALL_USERS}.
3114     *
3115     * @hide
3116     */
3117    public abstract void deletePackage(
3118            String packageName, IPackageDeleteObserver observer, int flags);
3119
3120    /**
3121     * Retrieve the package name of the application that installed a package. This identifies
3122     * which market the package came from.
3123     *
3124     * @param packageName The name of the package to query
3125     */
3126    public abstract String getInstallerPackageName(String packageName);
3127
3128    /**
3129     * Attempts to clear the user data directory of an application.
3130     * Since this may take a little while, the result will
3131     * be posted back to the given observer.  A deletion will fail if the
3132     * named package cannot be found, or if the named package is a "system package".
3133     *
3134     * @param packageName The name of the package
3135     * @param observer An observer callback to get notified when the operation is finished
3136     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3137     * will be called when that happens.  observer may be null to indicate that
3138     * no callback is desired.
3139     *
3140     * @hide
3141     */
3142    public abstract void clearApplicationUserData(String packageName,
3143            IPackageDataObserver observer);
3144    /**
3145     * Attempts to delete the cache files associated with an application.
3146     * Since this may take a little while, the result will
3147     * be posted back to the given observer.  A deletion will fail if the calling context
3148     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
3149     * named package cannot be found, or if the named package is a "system package".
3150     *
3151     * @param packageName The name of the package to delete
3152     * @param observer An observer callback to get notified when the cache file deletion
3153     * is complete.
3154     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3155     * will be called when that happens.  observer may be null to indicate that
3156     * no callback is desired.
3157     *
3158     * @hide
3159     */
3160    public abstract void deleteApplicationCacheFiles(String packageName,
3161            IPackageDataObserver observer);
3162
3163    /**
3164     * Free storage by deleting LRU sorted list of cache files across
3165     * all applications. If the currently available free storage
3166     * on the device is greater than or equal to the requested
3167     * free storage, no cache files are cleared. If the currently
3168     * available storage on the device is less than the requested
3169     * free storage, some or all of the cache files across
3170     * all applications are deleted (based on last accessed time)
3171     * to increase the free storage space on the device to
3172     * the requested value. There is no guarantee that clearing all
3173     * the cache files from all applications will clear up
3174     * enough storage to achieve the desired value.
3175     * @param freeStorageSize The number of bytes of storage to be
3176     * freed by the system. Say if freeStorageSize is XX,
3177     * and the current free storage is YY,
3178     * if XX is less than YY, just return. if not free XX-YY number
3179     * of bytes if possible.
3180     * @param observer call back used to notify when
3181     * the operation is completed
3182     *
3183     * @hide
3184     */
3185    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3186
3187    /**
3188     * Free storage by deleting LRU sorted list of cache files across
3189     * all applications. If the currently available free storage
3190     * on the device is greater than or equal to the requested
3191     * free storage, no cache files are cleared. If the currently
3192     * available storage on the device is less than the requested
3193     * free storage, some or all of the cache files across
3194     * all applications are deleted (based on last accessed time)
3195     * to increase the free storage space on the device to
3196     * the requested value. There is no guarantee that clearing all
3197     * the cache files from all applications will clear up
3198     * enough storage to achieve the desired value.
3199     * @param freeStorageSize The number of bytes of storage to be
3200     * freed by the system. Say if freeStorageSize is XX,
3201     * and the current free storage is YY,
3202     * if XX is less than YY, just return. if not free XX-YY number
3203     * of bytes if possible.
3204     * @param pi IntentSender call back used to
3205     * notify when the operation is completed.May be null
3206     * to indicate that no call back is desired.
3207     *
3208     * @hide
3209     */
3210    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3211
3212    /**
3213     * Retrieve the size information for a package.
3214     * Since this may take a little while, the result will
3215     * be posted back to the given observer.  The calling context
3216     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3217     *
3218     * @param packageName The name of the package whose size information is to be retrieved
3219     * @param userHandle The user whose size information should be retrieved.
3220     * @param observer An observer callback to get notified when the operation
3221     * is complete.
3222     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3223     * The observer's callback is invoked with a PackageStats object(containing the
3224     * code, data and cache sizes of the package) and a boolean value representing
3225     * the status of the operation. observer may be null to indicate that
3226     * no callback is desired.
3227     *
3228     * @hide
3229     */
3230    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3231            IPackageStatsObserver observer);
3232
3233    /**
3234     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3235     * returns the size for the calling user.
3236     *
3237     * @hide
3238     */
3239    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3240        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3241    }
3242
3243    /**
3244     * @deprecated This function no longer does anything; it was an old
3245     * approach to managing preferred activities, which has been superseded
3246     * by (and conflicts with) the modern activity-based preferences.
3247     */
3248    @Deprecated
3249    public abstract void addPackageToPreferred(String packageName);
3250
3251    /**
3252     * @deprecated This function no longer does anything; it was an old
3253     * approach to managing preferred activities, which has been superseded
3254     * by (and conflicts with) the modern activity-based preferences.
3255     */
3256    @Deprecated
3257    public abstract void removePackageFromPreferred(String packageName);
3258
3259    /**
3260     * Retrieve the list of all currently configured preferred packages.  The
3261     * first package on the list is the most preferred, the last is the
3262     * least preferred.
3263     *
3264     * @param flags Additional option flags. Use any combination of
3265     * {@link #GET_ACTIVITIES},
3266     * {@link #GET_GIDS},
3267     * {@link #GET_CONFIGURATIONS},
3268     * {@link #GET_INSTRUMENTATION},
3269     * {@link #GET_PERMISSIONS},
3270     * {@link #GET_PROVIDERS},
3271     * {@link #GET_RECEIVERS},
3272     * {@link #GET_SERVICES},
3273     * {@link #GET_SIGNATURES}, to modify the data returned.
3274     *
3275     * @return Returns a list of PackageInfo objects describing each
3276     * preferred application, in order of preference.
3277     *
3278     * @see #GET_ACTIVITIES
3279     * @see #GET_GIDS
3280     * @see #GET_CONFIGURATIONS
3281     * @see #GET_INSTRUMENTATION
3282     * @see #GET_PERMISSIONS
3283     * @see #GET_PROVIDERS
3284     * @see #GET_RECEIVERS
3285     * @see #GET_SERVICES
3286     * @see #GET_SIGNATURES
3287     */
3288    public abstract List<PackageInfo> getPreferredPackages(int flags);
3289
3290    /**
3291     * @deprecated This is a protected API that should not have been available
3292     * to third party applications.  It is the platform's responsibility for
3293     * assigning preferred activities and this cannot be directly modified.
3294     *
3295     * Add a new preferred activity mapping to the system.  This will be used
3296     * to automatically select the given activity component when
3297     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3298     * multiple matching activities and also matches the given filter.
3299     *
3300     * @param filter The set of intents under which this activity will be
3301     * made preferred.
3302     * @param match The IntentFilter match category that this preference
3303     * applies to.
3304     * @param set The set of activities that the user was picking from when
3305     * this preference was made.
3306     * @param activity The component name of the activity that is to be
3307     * preferred.
3308     */
3309    @Deprecated
3310    public abstract void addPreferredActivity(IntentFilter filter, int match,
3311            ComponentName[] set, ComponentName activity);
3312
3313    /**
3314     * Same as {@link #addPreferredActivity(IntentFilter, int,
3315            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3316            to.
3317     * @hide
3318     */
3319    public void addPreferredActivity(IntentFilter filter, int match,
3320            ComponentName[] set, ComponentName activity, int userId) {
3321        throw new RuntimeException("Not implemented. Must override in a subclass.");
3322    }
3323
3324    /**
3325     * @deprecated This is a protected API that should not have been available
3326     * to third party applications.  It is the platform's responsibility for
3327     * assigning preferred activities and this cannot be directly modified.
3328     *
3329     * Replaces an existing preferred activity mapping to the system, and if that were not present
3330     * adds a new preferred activity.  This will be used
3331     * to automatically select the given activity component when
3332     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3333     * multiple matching activities and also matches the given filter.
3334     *
3335     * @param filter The set of intents under which this activity will be
3336     * made preferred.
3337     * @param match The IntentFilter match category that this preference
3338     * applies to.
3339     * @param set The set of activities that the user was picking from when
3340     * this preference was made.
3341     * @param activity The component name of the activity that is to be
3342     * preferred.
3343     * @hide
3344     */
3345    @Deprecated
3346    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3347            ComponentName[] set, ComponentName activity);
3348
3349    /**
3350     * Remove all preferred activity mappings, previously added with
3351     * {@link #addPreferredActivity}, from the
3352     * system whose activities are implemented in the given package name.
3353     * An application can only clear its own package(s).
3354     *
3355     * @param packageName The name of the package whose preferred activity
3356     * mappings are to be removed.
3357     */
3358    public abstract void clearPackagePreferredActivities(String packageName);
3359
3360    /**
3361     * Retrieve all preferred activities, previously added with
3362     * {@link #addPreferredActivity}, that are
3363     * currently registered with the system.
3364     *
3365     * @param outFilters A list in which to place the filters of all of the
3366     * preferred activities, or null for none.
3367     * @param outActivities A list in which to place the component names of
3368     * all of the preferred activities, or null for none.
3369     * @param packageName An option package in which you would like to limit
3370     * the list.  If null, all activities will be returned; if non-null, only
3371     * those activities in the given package are returned.
3372     *
3373     * @return Returns the total number of registered preferred activities
3374     * (the number of distinct IntentFilter records, not the number of unique
3375     * activity components) that were found.
3376     */
3377    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3378            List<ComponentName> outActivities, String packageName);
3379
3380    /**
3381     * Ask for the set of available 'home' activities and the current explicit
3382     * default, if any.
3383     * @hide
3384     */
3385    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3386
3387    /**
3388     * Set the enabled setting for a package component (activity, receiver, service, provider).
3389     * This setting will override any enabled state which may have been set by the component in its
3390     * manifest.
3391     *
3392     * @param componentName The component to enable
3393     * @param newState The new enabled state for the component.  The legal values for this state
3394     *                 are:
3395     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3396     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3397     *                   and
3398     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3399     *                 The last one removes the setting, thereby restoring the component's state to
3400     *                 whatever was set in it's manifest (or enabled, by default).
3401     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3402     */
3403    public abstract void setComponentEnabledSetting(ComponentName componentName,
3404            int newState, int flags);
3405
3406
3407    /**
3408     * Return the the enabled setting for a package component (activity,
3409     * receiver, service, provider).  This returns the last value set by
3410     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3411     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3412     * the value originally specified in the manifest has not been modified.
3413     *
3414     * @param componentName The component to retrieve.
3415     * @return Returns the current enabled state for the component.  May
3416     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3417     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3418     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3419     * component's enabled state is based on the original information in
3420     * the manifest as found in {@link ComponentInfo}.
3421     */
3422    public abstract int getComponentEnabledSetting(ComponentName componentName);
3423
3424    /**
3425     * Set the enabled setting for an application
3426     * This setting will override any enabled state which may have been set by the application in
3427     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3428     * application's components.  It does not override any enabled state set by
3429     * {@link #setComponentEnabledSetting} for any of the application's components.
3430     *
3431     * @param packageName The package name of the application to enable
3432     * @param newState The new enabled state for the component.  The legal values for this state
3433     *                 are:
3434     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3435     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3436     *                   and
3437     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3438     *                 The last one removes the setting, thereby restoring the applications's state to
3439     *                 whatever was set in its manifest (or enabled, by default).
3440     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3441     */
3442    public abstract void setApplicationEnabledSetting(String packageName,
3443            int newState, int flags);
3444
3445    /**
3446     * Return the the enabled setting for an application.  This returns
3447     * the last value set by
3448     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3449     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3450     * the value originally specified in the manifest has not been modified.
3451     *
3452     * @param packageName The component to retrieve.
3453     * @return Returns the current enabled state for the component.  May
3454     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3455     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3456     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3457     * application's enabled state is based on the original information in
3458     * the manifest as found in {@link ComponentInfo}.
3459     * @throws IllegalArgumentException if the named package does not exist.
3460     */
3461    public abstract int getApplicationEnabledSetting(String packageName);
3462
3463    /**
3464     * Puts the package in a blocked state, which is almost like an uninstalled state,
3465     * making the package unavailable, but it doesn't remove the data or the actual
3466     * package file.
3467     * @hide
3468     */
3469    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3470            UserHandle userHandle);
3471
3472    /**
3473     * Returns the blocked state of a package.
3474     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3475     * @hide
3476     */
3477    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3478            UserHandle userHandle);
3479
3480    /**
3481     * Return whether the device has been booted into safe mode.
3482     */
3483    public abstract boolean isSafeMode();
3484
3485    /**
3486     * Attempts to move package resources from internal to external media or vice versa.
3487     * Since this may take a little while, the result will
3488     * be posted back to the given observer.   This call may fail if the calling context
3489     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3490     * named package cannot be found, or if the named package is a "system package".
3491     *
3492     * @param packageName The name of the package to delete
3493     * @param observer An observer callback to get notified when the package move is
3494     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3495     * called when that happens.  observer may be null to indicate that no callback is desired.
3496     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3497     * {@link #MOVE_EXTERNAL_MEDIA}
3498     *
3499     * @hide
3500     */
3501    public abstract void movePackage(
3502            String packageName, IPackageMoveObserver observer, int flags);
3503
3504    /**
3505     * Returns the device identity that verifiers can use to associate their scheme to a particular
3506     * device. This should not be used by anything other than a package verifier.
3507     *
3508     * @return identity that uniquely identifies current device
3509     * @hide
3510     */
3511    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3512
3513    /**
3514     * Returns the data directory for a particular user and package, given the uid of the package.
3515     * @param uid uid of the package, including the userId and appId
3516     * @param packageName name of the package
3517     * @return the user-specific data directory for the package
3518     * @hide
3519     */
3520    public static String getDataDirForUser(int userId, String packageName) {
3521        // TODO: This should be shared with Installer's knowledge of user directory
3522        return Environment.getDataDirectory().toString() + "/user/" + userId
3523                + "/" + packageName;
3524    }
3525
3526    /**
3527     * Adds a forwarding intent filter. After calling this method all intents sent from the user
3528     * with id userIdOrig can also be be resolved by activities in the user with id userIdDest if
3529     * they match the specified intent filter.
3530     * @param filter the {@link IntentFilter} the intent has to match to be forwarded
3531     * @param removable if set to false, {@link clearForwardingIntents} will not remove this intent
3532     * filter
3533     * @param userIdOrig user from which the intent can be forwarded
3534     * @param userIdDest user to which the intent can be forwarded
3535     * @hide
3536     */
3537    public abstract void addForwardingIntentFilter(IntentFilter filter, boolean removable,
3538            int userIdOrig, int userIdDest);
3539
3540    /**
3541     * Clearing all removable {@link ForwardingIntentFilter}s that are set with the given user as
3542     * the origin.
3543     * @param userIdOrig user from which the intent can be forwarded
3544     * @hide
3545     */
3546    public abstract void clearForwardingIntentFilters(int userIdOrig);
3547}
3548