PackageManager.java revision c79586ede6dcd6a167bc8360f058cb5cc655b33d
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.
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's camera supports flash.
947     */
948    @SdkConstant(SdkConstantType.FEATURE)
949    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
950
951    /**
952     * Feature for {@link #getSystemAvailableFeatures} and
953     * {@link #hasSystemFeature}: The device has a front facing camera.
954     */
955    @SdkConstant(SdkConstantType.FEATURE)
956    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
957
958    /**
959     * Feature for {@link #getSystemAvailableFeatures} and
960     * {@link #hasSystemFeature}: The device is capable of communicating with
961     * consumer IR devices.
962     */
963    @SdkConstant(SdkConstantType.FEATURE)
964    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
965
966    /**
967     * Feature for {@link #getSystemAvailableFeatures} and
968     * {@link #hasSystemFeature}: The device supports one or more methods of
969     * reporting current location.
970     */
971    @SdkConstant(SdkConstantType.FEATURE)
972    public static final String FEATURE_LOCATION = "android.hardware.location";
973
974    /**
975     * Feature for {@link #getSystemAvailableFeatures} and
976     * {@link #hasSystemFeature}: The device has a Global Positioning System
977     * receiver and can report precise location.
978     */
979    @SdkConstant(SdkConstantType.FEATURE)
980    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
981
982    /**
983     * Feature for {@link #getSystemAvailableFeatures} and
984     * {@link #hasSystemFeature}: The device can report location with coarse
985     * accuracy using a network-based geolocation system.
986     */
987    @SdkConstant(SdkConstantType.FEATURE)
988    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
989
990    /**
991     * Feature for {@link #getSystemAvailableFeatures} and
992     * {@link #hasSystemFeature}: The device can record audio via a
993     * microphone.
994     */
995    @SdkConstant(SdkConstantType.FEATURE)
996    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
997
998    /**
999     * Feature for {@link #getSystemAvailableFeatures} and
1000     * {@link #hasSystemFeature}: The device can communicate using Near-Field
1001     * Communications (NFC).
1002     */
1003    @SdkConstant(SdkConstantType.FEATURE)
1004    public static final String FEATURE_NFC = "android.hardware.nfc";
1005
1006    /**
1007     * Feature for {@link #getSystemAvailableFeatures} and
1008     * {@link #hasSystemFeature}: The device supports host-
1009     * based NFC card emulation.
1010     *
1011     * TODO remove when depending apps have moved to new constant.
1012     * @hide
1013     * @deprecated
1014     */
1015    @Deprecated
1016    @SdkConstant(SdkConstantType.FEATURE)
1017    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
1018
1019    /**
1020     * Feature for {@link #getSystemAvailableFeatures} and
1021     * {@link #hasSystemFeature}: The device supports host-
1022     * based NFC card emulation.
1023     */
1024    @SdkConstant(SdkConstantType.FEATURE)
1025    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1026
1027    /**
1028     * Feature for {@link #getSystemAvailableFeatures} and
1029     * {@link #hasSystemFeature}: The device includes an accelerometer.
1030     */
1031    @SdkConstant(SdkConstantType.FEATURE)
1032    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1033
1034    /**
1035     * Feature for {@link #getSystemAvailableFeatures} and
1036     * {@link #hasSystemFeature}: The device includes a barometer (air
1037     * pressure sensor.)
1038     */
1039    @SdkConstant(SdkConstantType.FEATURE)
1040    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1041
1042    /**
1043     * Feature for {@link #getSystemAvailableFeatures} and
1044     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1045     */
1046    @SdkConstant(SdkConstantType.FEATURE)
1047    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1048
1049    /**
1050     * Feature for {@link #getSystemAvailableFeatures} and
1051     * {@link #hasSystemFeature}: The device includes a gyroscope.
1052     */
1053    @SdkConstant(SdkConstantType.FEATURE)
1054    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1055
1056    /**
1057     * Feature for {@link #getSystemAvailableFeatures} and
1058     * {@link #hasSystemFeature}: The device includes a light sensor.
1059     */
1060    @SdkConstant(SdkConstantType.FEATURE)
1061    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1062
1063    /**
1064     * Feature for {@link #getSystemAvailableFeatures} and
1065     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1066     */
1067    @SdkConstant(SdkConstantType.FEATURE)
1068    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1069
1070    /**
1071     * Feature for {@link #getSystemAvailableFeatures} and
1072     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1073     */
1074    @SdkConstant(SdkConstantType.FEATURE)
1075    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1076
1077    /**
1078     * Feature for {@link #getSystemAvailableFeatures} and
1079     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1080     */
1081    @SdkConstant(SdkConstantType.FEATURE)
1082    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1083
1084    /**
1085     * Feature for {@link #getSystemAvailableFeatures} and
1086     * {@link #hasSystemFeature}: The device has a telephony radio with data
1087     * communication support.
1088     */
1089    @SdkConstant(SdkConstantType.FEATURE)
1090    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1091
1092    /**
1093     * Feature for {@link #getSystemAvailableFeatures} and
1094     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1095     */
1096    @SdkConstant(SdkConstantType.FEATURE)
1097    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1098
1099    /**
1100     * Feature for {@link #getSystemAvailableFeatures} and
1101     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1102     */
1103    @SdkConstant(SdkConstantType.FEATURE)
1104    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1105
1106    /**
1107     * Feature for {@link #getSystemAvailableFeatures} and
1108     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1109     * as the USB host.
1110     */
1111    @SdkConstant(SdkConstantType.FEATURE)
1112    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1113
1114    /**
1115     * Feature for {@link #getSystemAvailableFeatures} and
1116     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1117     */
1118    @SdkConstant(SdkConstantType.FEATURE)
1119    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1120
1121    /**
1122     * Feature for {@link #getSystemAvailableFeatures} and
1123     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1124     */
1125    @SdkConstant(SdkConstantType.FEATURE)
1126    public static final String FEATURE_SIP = "android.software.sip";
1127
1128    /**
1129     * Feature for {@link #getSystemAvailableFeatures} and
1130     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1131     */
1132    @SdkConstant(SdkConstantType.FEATURE)
1133    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1134
1135    /**
1136     * Feature for {@link #getSystemAvailableFeatures} and
1137     * {@link #hasSystemFeature}: The device's display has a touch screen.
1138     */
1139    @SdkConstant(SdkConstantType.FEATURE)
1140    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1141
1142
1143    /**
1144     * Feature for {@link #getSystemAvailableFeatures} and
1145     * {@link #hasSystemFeature}: The device's touch screen supports
1146     * multitouch sufficient for basic two-finger gesture detection.
1147     */
1148    @SdkConstant(SdkConstantType.FEATURE)
1149    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1150
1151    /**
1152     * Feature for {@link #getSystemAvailableFeatures} and
1153     * {@link #hasSystemFeature}: The device's touch screen is capable of
1154     * tracking two or more fingers fully independently.
1155     */
1156    @SdkConstant(SdkConstantType.FEATURE)
1157    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1158
1159    /**
1160     * Feature for {@link #getSystemAvailableFeatures} and
1161     * {@link #hasSystemFeature}: The device's touch screen is capable of
1162     * tracking a full hand of fingers fully independently -- that is, 5 or
1163     * more simultaneous independent pointers.
1164     */
1165    @SdkConstant(SdkConstantType.FEATURE)
1166    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1167
1168    /**
1169     * Feature for {@link #getSystemAvailableFeatures} and
1170     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1171     * does support touch emulation for basic events. For instance, the
1172     * device might use a mouse or remote control to drive a cursor, and
1173     * emulate basic touch pointer events like down, up, drag, etc. All
1174     * devices that support android.hardware.touchscreen or a sub-feature are
1175     * presumed to also support faketouch.
1176     */
1177    @SdkConstant(SdkConstantType.FEATURE)
1178    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1179
1180    /**
1181     * Feature for {@link #getSystemAvailableFeatures} and
1182     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1183     * does support touch emulation for basic events that supports distinct
1184     * tracking of two or more fingers.  This is an extension of
1185     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1186     * that unlike a distinct multitouch screen as defined by
1187     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1188     * devices will not actually provide full two-finger gestures since the
1189     * input is being transformed to cursor movement on the screen.  That is,
1190     * single finger gestures will move a cursor; two-finger swipes will
1191     * result in single-finger touch events; other two-finger gestures will
1192     * result in the corresponding two-finger touch event.
1193     */
1194    @SdkConstant(SdkConstantType.FEATURE)
1195    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1196
1197    /**
1198     * Feature for {@link #getSystemAvailableFeatures} and
1199     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1200     * does support touch emulation for basic events that supports tracking
1201     * a hand of fingers (5 or more fingers) fully independently.
1202     * This is an extension of
1203     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1204     * that unlike a multitouch screen as defined by
1205     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1206     * gestures can be detected due to the limitations described for
1207     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1208     */
1209    @SdkConstant(SdkConstantType.FEATURE)
1210    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1211
1212    /**
1213     * Feature for {@link #getSystemAvailableFeatures} and
1214     * {@link #hasSystemFeature}: The device supports portrait orientation
1215     * screens.  For backwards compatibility, you can assume that if neither
1216     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1217     * both portrait and landscape.
1218     */
1219    @SdkConstant(SdkConstantType.FEATURE)
1220    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1221
1222    /**
1223     * Feature for {@link #getSystemAvailableFeatures} and
1224     * {@link #hasSystemFeature}: The device supports landscape orientation
1225     * screens.  For backwards compatibility, you can assume that if neither
1226     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1227     * both portrait and landscape.
1228     */
1229    @SdkConstant(SdkConstantType.FEATURE)
1230    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1231
1232    /**
1233     * Feature for {@link #getSystemAvailableFeatures} and
1234     * {@link #hasSystemFeature}: The device supports live wallpapers.
1235     */
1236    @SdkConstant(SdkConstantType.FEATURE)
1237    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1238    /**
1239     * Feature for {@link #getSystemAvailableFeatures} and
1240     * {@link #hasSystemFeature}: The device supports app widgets.
1241     */
1242    @SdkConstant(SdkConstantType.FEATURE)
1243    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1244
1245    /**
1246     * @hide
1247     * Feature for {@link #getSystemAvailableFeatures} and
1248     * {@link #hasSystemFeature}: The device supports
1249     * {@link android.service.voice.VoiceInteractionService} and
1250     * {@link android.app.VoiceInteractor}.
1251     */
1252    @SdkConstant(SdkConstantType.FEATURE)
1253    public static final String FEATURE_VOICE_RECOGNIZERS = "android.software.voice_recognizers";
1254
1255
1256    /**
1257     * Feature for {@link #getSystemAvailableFeatures} and
1258     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1259     * by third party applications.
1260     */
1261    @SdkConstant(SdkConstantType.FEATURE)
1262    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1263
1264    /**
1265     * Feature for {@link #getSystemAvailableFeatures} and
1266     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1267     * with the {@link android.inputmethodservice.InputMethodService} API.
1268     */
1269    @SdkConstant(SdkConstantType.FEATURE)
1270    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1271
1272    /**
1273     * Feature for {@link #getSystemAvailableFeatures} and
1274     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1275     */
1276    @SdkConstant(SdkConstantType.FEATURE)
1277    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1278
1279    /**
1280     * Feature for {@link #getSystemAvailableFeatures} and
1281     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1282     * typically used in a living room television experience, but is a software
1283     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1284     * feature will use resources associated with the "television" UI mode.
1285     */
1286    @SdkConstant(SdkConstantType.FEATURE)
1287    public static final String FEATURE_LEANBACK = "android.software.leanback";
1288
1289    /**
1290     * Feature for {@link #getSystemAvailableFeatures} and
1291     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1292     * applications designed for this experience should be run, though this is
1293     * not enforced by the system.
1294     * @hide
1295     */
1296    @SdkConstant(SdkConstantType.FEATURE)
1297    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1298
1299    /**
1300     * Feature for {@link #getSystemAvailableFeatures} and
1301     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1302     */
1303    @SdkConstant(SdkConstantType.FEATURE)
1304    public static final String FEATURE_WIFI = "android.hardware.wifi";
1305
1306    /**
1307     * Feature for {@link #getSystemAvailableFeatures} and
1308     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1309     */
1310    @SdkConstant(SdkConstantType.FEATURE)
1311    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1312
1313    /**
1314     * Feature for {@link #getSystemAvailableFeatures} and
1315     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1316     * on a television.  Television here is defined to be a typical living
1317     * room television experience: displayed on a big screen, where the user
1318     * is sitting far away from it, and the dominant form of input will be
1319     * something like a DPAD, not through touch or mouse.
1320     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1321     */
1322    @Deprecated
1323    @SdkConstant(SdkConstantType.FEATURE)
1324    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1325
1326    /**
1327     * Feature for {@link #getSystemAvailableFeatures} and
1328     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1329     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1330     * the wrist. The user is very close when interacting with the device.
1331     */
1332    @SdkConstant(SdkConstantType.FEATURE)
1333    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1334
1335    /**
1336     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1337     * The device supports printing.
1338     */
1339    @SdkConstant(SdkConstantType.FEATURE)
1340    public static final String FEATURE_PRINTING = "android.software.print";
1341
1342    /**
1343     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1344     * The device can perform backup and restore operations on installed applications.
1345     */
1346    @SdkConstant(SdkConstantType.FEATURE)
1347    public static final String FEATURE_BACKUP = "android.software.backup";
1348
1349    /**
1350     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1351     * The device supports managed profiles for enterprise users.
1352     */
1353    @SdkConstant(SdkConstantType.FEATURE)
1354    public static final String FEATURE_MANAGEDPROFILES = "android.software.managedprofiles";
1355
1356    /**
1357     * Action to external storage service to clean out removed apps.
1358     * @hide
1359     */
1360    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1361            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1362
1363    /**
1364     * Extra field name for the URI to a verification file. Passed to a package
1365     * verifier.
1366     *
1367     * @hide
1368     */
1369    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1370
1371    /**
1372     * Extra field name for the ID of a package pending verification. Passed to
1373     * a package verifier and is used to call back to
1374     * {@link PackageManager#verifyPendingInstall(int, int)}
1375     */
1376    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1377
1378    /**
1379     * Extra field name for the package identifier which is trying to install
1380     * the package.
1381     *
1382     * @hide
1383     */
1384    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1385            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1386
1387    /**
1388     * Extra field name for the requested install flags for a package pending
1389     * verification. Passed to a package verifier.
1390     *
1391     * @hide
1392     */
1393    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1394            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1395
1396    /**
1397     * Extra field name for the uid of who is requesting to install
1398     * the package.
1399     *
1400     * @hide
1401     */
1402    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1403            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1404
1405    /**
1406     * Extra field name for the package name of a package pending verification.
1407     *
1408     * @hide
1409     */
1410    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1411            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1412    /**
1413     * Extra field name for the result of a verification, either
1414     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1415     * Passed to package verifiers after a package is verified.
1416     */
1417    public static final String EXTRA_VERIFICATION_RESULT
1418            = "android.content.pm.extra.VERIFICATION_RESULT";
1419
1420    /**
1421     * Extra field name for the version code of a package pending verification.
1422     *
1423     * @hide
1424     */
1425    public static final String EXTRA_VERIFICATION_VERSION_CODE
1426            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1427
1428    /**
1429     * The action used to request that the user approve a permission request
1430     * from the application.
1431     *
1432     * @hide
1433     */
1434    public static final String ACTION_REQUEST_PERMISSION
1435            = "android.content.pm.action.REQUEST_PERMISSION";
1436
1437    /**
1438     * Extra field name for the list of permissions, which the user must approve.
1439     *
1440     * @hide
1441     */
1442    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1443            = "android.content.pm.extra.PERMISSION_LIST";
1444
1445    /**
1446     * String extra for {@link IPackageInstallObserver2} in the 'extras' Bundle in case of
1447     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the package which provides
1448     * the existing definition for the permission.
1449     * @hide
1450     */
1451    public static final String EXTRA_FAILURE_EXISTING_PACKAGE
1452            = "android.content.pm.extra.FAILURE_EXISTING_PACKAGE";
1453
1454    /**
1455     * String extra for {@link IPackageInstallObserver2} in the 'extras' Bundle in case of
1456     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the permission that is
1457     * being redundantly defined by the package being installed.
1458     * @hide
1459     */
1460    public static final String EXTRA_FAILURE_EXISTING_PERMISSION
1461            = "android.content.pm.extra.FAILURE_EXISTING_PERMISSION";
1462
1463    /**
1464     * Retrieve overall information about an application package that is
1465     * installed on the system.
1466     * <p>
1467     * Throws {@link NameNotFoundException} if a package with the given name can
1468     * not be found on the system.
1469     *
1470     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1471     *            desired package.
1472     * @param flags Additional option flags. Use any combination of
1473     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1474     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1475     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1476     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1477     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1478     *            modify the data returned.
1479     * @return Returns a PackageInfo object containing information about the
1480     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1481     *         package is not found in the list of installed applications, the
1482     *         package information is retrieved from the list of uninstalled
1483     *         applications (which includes installed applications as well as
1484     *         applications with data directory i.e. applications which had been
1485     *         deleted with {@code DONT_DELETE_DATA} flag set).
1486     * @see #GET_ACTIVITIES
1487     * @see #GET_GIDS
1488     * @see #GET_CONFIGURATIONS
1489     * @see #GET_INSTRUMENTATION
1490     * @see #GET_PERMISSIONS
1491     * @see #GET_PROVIDERS
1492     * @see #GET_RECEIVERS
1493     * @see #GET_SERVICES
1494     * @see #GET_SIGNATURES
1495     * @see #GET_UNINSTALLED_PACKAGES
1496     */
1497    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1498            throws NameNotFoundException;
1499
1500    /**
1501     * Map from the current package names in use on the device to whatever
1502     * the current canonical name of that package is.
1503     * @param names Array of current names to be mapped.
1504     * @return Returns an array of the same size as the original, containing
1505     * the canonical name for each package.
1506     */
1507    public abstract String[] currentToCanonicalPackageNames(String[] names);
1508
1509    /**
1510     * Map from a packages canonical name to the current name in use on the device.
1511     * @param names Array of new names to be mapped.
1512     * @return Returns an array of the same size as the original, containing
1513     * the current name for each package.
1514     */
1515    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1516
1517    /**
1518     * Return a "good" intent to launch a front-door activity in a package,
1519     * for use for example to implement an "open" button when browsing through
1520     * packages.  The current implementation will look first for a main
1521     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1522     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1523     * null if neither are found.
1524     *
1525     * <p>Throws {@link NameNotFoundException} if a package with the given
1526     * name cannot be found on the system.
1527     *
1528     * @param packageName The name of the package to inspect.
1529     *
1530     * @return Returns either a fully-qualified Intent that can be used to
1531     * launch the main activity in the package, or null if the package does
1532     * not contain such an activity.
1533     */
1534    public abstract Intent getLaunchIntentForPackage(String packageName);
1535
1536    /**
1537     * Return a "good" intent to launch a front-door Leanback activity in a
1538     * package, for use for example to implement an "open" button when browsing
1539     * through packages. The current implementation will look for a main
1540     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1541     * return null if no main leanback activities are found.
1542     * <p>
1543     * Throws {@link NameNotFoundException} if a package with the given name
1544     * cannot be found on the system.
1545     *
1546     * @param packageName The name of the package to inspect.
1547     * @return Returns either a fully-qualified Intent that can be used to launch
1548     *         the main Leanback activity in the package, or null if the package
1549     *         does not contain such an activity.
1550     */
1551    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1552
1553    /**
1554     * Return an array of all of the secondary group-ids that have been assigned
1555     * to a package.
1556     * <p>
1557     * Throws {@link NameNotFoundException} if a package with the given name
1558     * cannot be found on the system.
1559     *
1560     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1561     *            desired package.
1562     * @return Returns an int array of the assigned gids, or null if there are
1563     *         none.
1564     */
1565    public abstract int[] getPackageGids(String packageName)
1566            throws NameNotFoundException;
1567
1568    /**
1569     * @hide Return the uid associated with the given package name for the
1570     * given user.
1571     *
1572     * <p>Throws {@link NameNotFoundException} if a package with the given
1573     * name can not be found on the system.
1574     *
1575     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1576     *                    desired package.
1577     * @param userHandle The user handle identifier to look up the package under.
1578     *
1579     * @return Returns an integer uid who owns the given package name.
1580     */
1581    public abstract int getPackageUid(String packageName, int userHandle)
1582            throws NameNotFoundException;
1583
1584    /**
1585     * Retrieve all of the information we know about a particular permission.
1586     *
1587     * <p>Throws {@link NameNotFoundException} if a permission with the given
1588     * name cannot be found on the system.
1589     *
1590     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1591     *             of the permission you are interested in.
1592     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1593     * retrieve any meta-data associated with the permission.
1594     *
1595     * @return Returns a {@link PermissionInfo} containing information about the
1596     *         permission.
1597     */
1598    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1599            throws NameNotFoundException;
1600
1601    /**
1602     * Query for all of the permissions associated with a particular group.
1603     *
1604     * <p>Throws {@link NameNotFoundException} if the given group does not
1605     * exist.
1606     *
1607     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1608     *             of the permission group you are interested in.  Use null to
1609     *             find all of the permissions not associated with a group.
1610     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1611     * retrieve any meta-data associated with the permissions.
1612     *
1613     * @return Returns a list of {@link PermissionInfo} containing information
1614     * about all of the permissions in the given group.
1615     */
1616    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1617            int flags) throws NameNotFoundException;
1618
1619    /**
1620     * Retrieve all of the information we know about a particular group of
1621     * permissions.
1622     *
1623     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1624     * name cannot be found on the system.
1625     *
1626     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1627     *             of the permission you are interested in.
1628     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1629     * retrieve any meta-data associated with the permission group.
1630     *
1631     * @return Returns a {@link PermissionGroupInfo} containing information
1632     * about the permission.
1633     */
1634    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1635            int flags) throws NameNotFoundException;
1636
1637    /**
1638     * Retrieve all of the known permission groups in the system.
1639     *
1640     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1641     * retrieve any meta-data associated with the permission group.
1642     *
1643     * @return Returns a list of {@link PermissionGroupInfo} containing
1644     * information about all of the known permission groups.
1645     */
1646    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1647
1648    /**
1649     * Retrieve all of the information we know about a particular
1650     * package/application.
1651     *
1652     * <p>Throws {@link NameNotFoundException} if an application with the given
1653     * package name cannot be found on the system.
1654     *
1655     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1656     *                    application.
1657     * @param flags Additional option flags. Use any combination of
1658     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1659     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1660     *
1661     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1662     *         information about the package.
1663     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1664     *         found in the list of installed applications,
1665     *         the application information is retrieved from the
1666     *         list of uninstalled applications(which includes
1667     *         installed applications as well as applications
1668     *         with data directory ie applications which had been
1669     *         deleted with {@code DONT_DELETE_DATA} flag set).
1670     *
1671     * @see #GET_META_DATA
1672     * @see #GET_SHARED_LIBRARY_FILES
1673     * @see #GET_UNINSTALLED_PACKAGES
1674     */
1675    public abstract ApplicationInfo getApplicationInfo(String packageName,
1676            int flags) throws NameNotFoundException;
1677
1678    /**
1679     * Retrieve all of the information we know about a particular activity
1680     * class.
1681     *
1682     * <p>Throws {@link NameNotFoundException} if an activity with the given
1683     * class name cannot be found on the system.
1684     *
1685     * @param component The full component name (i.e.
1686     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1687     * class.
1688     * @param flags Additional option flags. Use any combination of
1689     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1690     * to modify the data (in ApplicationInfo) returned.
1691     *
1692     * @return {@link ActivityInfo} containing information about the activity.
1693     *
1694     * @see #GET_INTENT_FILTERS
1695     * @see #GET_META_DATA
1696     * @see #GET_SHARED_LIBRARY_FILES
1697     */
1698    public abstract ActivityInfo getActivityInfo(ComponentName component,
1699            int flags) throws NameNotFoundException;
1700
1701    /**
1702     * Retrieve all of the information we know about a particular receiver
1703     * class.
1704     *
1705     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1706     * class name cannot be found on the system.
1707     *
1708     * @param component The full component name (i.e.
1709     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1710     * class.
1711     * @param flags Additional option flags.  Use any combination of
1712     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1713     * to modify the data returned.
1714     *
1715     * @return {@link ActivityInfo} containing information about the receiver.
1716     *
1717     * @see #GET_INTENT_FILTERS
1718     * @see #GET_META_DATA
1719     * @see #GET_SHARED_LIBRARY_FILES
1720     */
1721    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1722            int flags) throws NameNotFoundException;
1723
1724    /**
1725     * Retrieve all of the information we know about a particular service
1726     * class.
1727     *
1728     * <p>Throws {@link NameNotFoundException} if a service with the given
1729     * class name cannot be found on the system.
1730     *
1731     * @param component The full component name (i.e.
1732     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1733     * class.
1734     * @param flags Additional option flags.  Use any combination of
1735     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1736     * to modify the data returned.
1737     *
1738     * @return ServiceInfo containing information about the service.
1739     *
1740     * @see #GET_META_DATA
1741     * @see #GET_SHARED_LIBRARY_FILES
1742     */
1743    public abstract ServiceInfo getServiceInfo(ComponentName component,
1744            int flags) throws NameNotFoundException;
1745
1746    /**
1747     * Retrieve all of the information we know about a particular content
1748     * provider class.
1749     *
1750     * <p>Throws {@link NameNotFoundException} if a provider with the given
1751     * class name cannot be found on the system.
1752     *
1753     * @param component The full component name (i.e.
1754     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1755     * ContentProvider class.
1756     * @param flags Additional option flags.  Use any combination of
1757     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1758     * to modify the data returned.
1759     *
1760     * @return ProviderInfo containing information about the service.
1761     *
1762     * @see #GET_META_DATA
1763     * @see #GET_SHARED_LIBRARY_FILES
1764     */
1765    public abstract ProviderInfo getProviderInfo(ComponentName component,
1766            int flags) throws NameNotFoundException;
1767
1768    /**
1769     * Return a List of all packages that are installed
1770     * on the device.
1771     *
1772     * @param flags Additional option flags. Use any combination of
1773     * {@link #GET_ACTIVITIES},
1774     * {@link #GET_GIDS},
1775     * {@link #GET_CONFIGURATIONS},
1776     * {@link #GET_INSTRUMENTATION},
1777     * {@link #GET_PERMISSIONS},
1778     * {@link #GET_PROVIDERS},
1779     * {@link #GET_RECEIVERS},
1780     * {@link #GET_SERVICES},
1781     * {@link #GET_SIGNATURES},
1782     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1783     *
1784     * @return A List of PackageInfo objects, one for each package that is
1785     *         installed on the device.  In the unlikely case of there being no
1786     *         installed packages, an empty list is returned.
1787     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1788     *         applications including those deleted with {@code DONT_DELETE_DATA}
1789     *         (partially installed apps with data directory) will be returned.
1790     *
1791     * @see #GET_ACTIVITIES
1792     * @see #GET_GIDS
1793     * @see #GET_CONFIGURATIONS
1794     * @see #GET_INSTRUMENTATION
1795     * @see #GET_PERMISSIONS
1796     * @see #GET_PROVIDERS
1797     * @see #GET_RECEIVERS
1798     * @see #GET_SERVICES
1799     * @see #GET_SIGNATURES
1800     * @see #GET_UNINSTALLED_PACKAGES
1801     */
1802    public abstract List<PackageInfo> getInstalledPackages(int flags);
1803
1804    /**
1805     * Return a List of all installed packages that are currently
1806     * holding any of the given permissions.
1807     *
1808     * @param flags Additional option flags. Use any combination of
1809     * {@link #GET_ACTIVITIES},
1810     * {@link #GET_GIDS},
1811     * {@link #GET_CONFIGURATIONS},
1812     * {@link #GET_INSTRUMENTATION},
1813     * {@link #GET_PERMISSIONS},
1814     * {@link #GET_PROVIDERS},
1815     * {@link #GET_RECEIVERS},
1816     * {@link #GET_SERVICES},
1817     * {@link #GET_SIGNATURES},
1818     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1819     *
1820     * @return Returns a List of PackageInfo objects, one for each installed
1821     * application that is holding any of the permissions that were provided.
1822     *
1823     * @see #GET_ACTIVITIES
1824     * @see #GET_GIDS
1825     * @see #GET_CONFIGURATIONS
1826     * @see #GET_INSTRUMENTATION
1827     * @see #GET_PERMISSIONS
1828     * @see #GET_PROVIDERS
1829     * @see #GET_RECEIVERS
1830     * @see #GET_SERVICES
1831     * @see #GET_SIGNATURES
1832     * @see #GET_UNINSTALLED_PACKAGES
1833     */
1834    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1835            String[] permissions, int flags);
1836
1837    /**
1838     * Return a List of all packages that are installed on the device, for a specific user.
1839     * Requesting a list of installed packages for another user
1840     * will require the permission INTERACT_ACROSS_USERS_FULL.
1841     * @param flags Additional option flags. Use any combination of
1842     * {@link #GET_ACTIVITIES},
1843     * {@link #GET_GIDS},
1844     * {@link #GET_CONFIGURATIONS},
1845     * {@link #GET_INSTRUMENTATION},
1846     * {@link #GET_PERMISSIONS},
1847     * {@link #GET_PROVIDERS},
1848     * {@link #GET_RECEIVERS},
1849     * {@link #GET_SERVICES},
1850     * {@link #GET_SIGNATURES},
1851     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1852     * @param userId The user for whom the installed packages are to be listed
1853     *
1854     * @return A List of PackageInfo objects, one for each package that is
1855     *         installed on the device.  In the unlikely case of there being no
1856     *         installed packages, an empty list is returned.
1857     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1858     *         applications including those deleted with {@code DONT_DELETE_DATA}
1859     *         (partially installed apps with data directory) will be returned.
1860     *
1861     * @see #GET_ACTIVITIES
1862     * @see #GET_GIDS
1863     * @see #GET_CONFIGURATIONS
1864     * @see #GET_INSTRUMENTATION
1865     * @see #GET_PERMISSIONS
1866     * @see #GET_PROVIDERS
1867     * @see #GET_RECEIVERS
1868     * @see #GET_SERVICES
1869     * @see #GET_SIGNATURES
1870     * @see #GET_UNINSTALLED_PACKAGES
1871     *
1872     * @hide
1873     */
1874    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1875
1876    /**
1877     * Check whether a particular package has been granted a particular
1878     * permission.
1879     *
1880     * @param permName The name of the permission you are checking for,
1881     * @param pkgName The name of the package you are checking against.
1882     *
1883     * @return If the package has the permission, PERMISSION_GRANTED is
1884     * returned.  If it does not have the permission, PERMISSION_DENIED
1885     * is returned.
1886     *
1887     * @see #PERMISSION_GRANTED
1888     * @see #PERMISSION_DENIED
1889     */
1890    public abstract int checkPermission(String permName, String pkgName);
1891
1892    /**
1893     * Add a new dynamic permission to the system.  For this to work, your
1894     * package must have defined a permission tree through the
1895     * {@link android.R.styleable#AndroidManifestPermissionTree
1896     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1897     * permissions to trees that were defined by either its own package or
1898     * another with the same user id; a permission is in a tree if it
1899     * matches the name of the permission tree + ".": for example,
1900     * "com.foo.bar" is a member of the permission tree "com.foo".
1901     *
1902     * <p>It is good to make your permission tree name descriptive, because you
1903     * are taking possession of that entire set of permission names.  Thus, it
1904     * must be under a domain you control, with a suffix that will not match
1905     * any normal permissions that may be declared in any applications that
1906     * are part of that domain.
1907     *
1908     * <p>New permissions must be added before
1909     * any .apks are installed that use those permissions.  Permissions you
1910     * add through this method are remembered across reboots of the device.
1911     * If the given permission already exists, the info you supply here
1912     * will be used to update it.
1913     *
1914     * @param info Description of the permission to be added.
1915     *
1916     * @return Returns true if a new permission was created, false if an
1917     * existing one was updated.
1918     *
1919     * @throws SecurityException if you are not allowed to add the
1920     * given permission name.
1921     *
1922     * @see #removePermission(String)
1923     */
1924    public abstract boolean addPermission(PermissionInfo info);
1925
1926    /**
1927     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1928     * persists the package manager state after returning from the call,
1929     * allowing it to return quicker and batch a series of adds at the
1930     * expense of no guarantee the added permission will be retained if
1931     * the device is rebooted before it is written.
1932     */
1933    public abstract boolean addPermissionAsync(PermissionInfo info);
1934
1935    /**
1936     * Removes a permission that was previously added with
1937     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1938     * -- you are only allowed to remove permissions that you are allowed
1939     * to add.
1940     *
1941     * @param name The name of the permission to remove.
1942     *
1943     * @throws SecurityException if you are not allowed to remove the
1944     * given permission name.
1945     *
1946     * @see #addPermission(PermissionInfo)
1947     */
1948    public abstract void removePermission(String name);
1949
1950    /**
1951     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1952     * which prompts the user to grant {@code permissions} to this application.
1953     * @hide
1954     *
1955     * @throws NullPointerException if {@code permissions} is {@code null}.
1956     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1957     */
1958    public Intent buildPermissionRequestIntent(String... permissions) {
1959        if (permissions == null) {
1960            throw new NullPointerException("permissions cannot be null");
1961        }
1962        for (String permission : permissions) {
1963            if (permission == null) {
1964                throw new IllegalArgumentException("permissions cannot contain null");
1965            }
1966        }
1967
1968        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1969        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1970        i.setPackage("com.android.packageinstaller");
1971        return i;
1972    }
1973
1974    /**
1975     * Grant a permission to an application which the application does not
1976     * already have.  The permission must have been requested by the application,
1977     * but as an optional permission.  If the application is not allowed to
1978     * hold the permission, a SecurityException is thrown.
1979     * @hide
1980     *
1981     * @param packageName The name of the package that the permission will be
1982     * granted to.
1983     * @param permissionName The name of the permission.
1984     */
1985    public abstract void grantPermission(String packageName, String permissionName);
1986
1987    /**
1988     * Revoke a permission that was previously granted by {@link #grantPermission}.
1989     * @hide
1990     *
1991     * @param packageName The name of the package that the permission will be
1992     * granted to.
1993     * @param permissionName The name of the permission.
1994     */
1995    public abstract void revokePermission(String packageName, String permissionName);
1996
1997    /**
1998     * Compare the signatures of two packages to determine if the same
1999     * signature appears in both of them.  If they do contain the same
2000     * signature, then they are allowed special privileges when working
2001     * with each other: they can share the same user-id, run instrumentation
2002     * against each other, etc.
2003     *
2004     * @param pkg1 First package name whose signature will be compared.
2005     * @param pkg2 Second package name whose signature will be compared.
2006     *
2007     * @return Returns an integer indicating whether all signatures on the
2008     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2009     * all signatures match or < 0 if there is not a match ({@link
2010     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2011     *
2012     * @see #checkSignatures(int, int)
2013     * @see #SIGNATURE_MATCH
2014     * @see #SIGNATURE_NO_MATCH
2015     * @see #SIGNATURE_UNKNOWN_PACKAGE
2016     */
2017    public abstract int checkSignatures(String pkg1, String pkg2);
2018
2019    /**
2020     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
2021     * the two packages to be checked.  This can be useful, for example,
2022     * when doing the check in an IPC, where the UID is the only identity
2023     * available.  It is functionally identical to determining the package
2024     * associated with the UIDs and checking their signatures.
2025     *
2026     * @param uid1 First UID whose signature will be compared.
2027     * @param uid2 Second UID whose signature will be compared.
2028     *
2029     * @return Returns an integer indicating whether all signatures on the
2030     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2031     * all signatures match or < 0 if there is not a match ({@link
2032     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2033     *
2034     * @see #checkSignatures(String, String)
2035     * @see #SIGNATURE_MATCH
2036     * @see #SIGNATURE_NO_MATCH
2037     * @see #SIGNATURE_UNKNOWN_PACKAGE
2038     */
2039    public abstract int checkSignatures(int uid1, int uid2);
2040
2041    /**
2042     * Retrieve the names of all packages that are associated with a particular
2043     * user id.  In most cases, this will be a single package name, the package
2044     * that has been assigned that user id.  Where there are multiple packages
2045     * sharing the same user id through the "sharedUserId" mechanism, all
2046     * packages with that id will be returned.
2047     *
2048     * @param uid The user id for which you would like to retrieve the
2049     * associated packages.
2050     *
2051     * @return Returns an array of one or more packages assigned to the user
2052     * id, or null if there are no known packages with the given id.
2053     */
2054    public abstract String[] getPackagesForUid(int uid);
2055
2056    /**
2057     * Retrieve the official name associated with a user id.  This name is
2058     * guaranteed to never change, though it is possibly for the underlying
2059     * user id to be changed.  That is, if you are storing information about
2060     * user ids in persistent storage, you should use the string returned
2061     * by this function instead of the raw user-id.
2062     *
2063     * @param uid The user id for which you would like to retrieve a name.
2064     * @return Returns a unique name for the given user id, or null if the
2065     * user id is not currently assigned.
2066     */
2067    public abstract String getNameForUid(int uid);
2068
2069    /**
2070     * Return the user id associated with a shared user name. Multiple
2071     * applications can specify a shared user name in their manifest and thus
2072     * end up using a common uid. This might be used for new applications
2073     * that use an existing shared user name and need to know the uid of the
2074     * shared user.
2075     *
2076     * @param sharedUserName The shared user name whose uid is to be retrieved.
2077     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2078     * if the shared user name is not being used by any installed packages
2079     * @hide
2080     */
2081    public abstract int getUidForSharedUser(String sharedUserName)
2082            throws NameNotFoundException;
2083
2084    /**
2085     * Return a List of all application packages that are installed on the
2086     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2087     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2088     * installed apps with data directory) will be returned.
2089     *
2090     * @param flags Additional option flags. Use any combination of
2091     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2092     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2093     *
2094     * @return Returns a List of ApplicationInfo objects, one for each application that
2095     *         is installed on the device.  In the unlikely case of there being
2096     *         no installed applications, an empty list is returned.
2097     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2098     *         applications including those deleted with {@code DONT_DELETE_DATA}
2099     *         (partially installed apps with data directory) will be returned.
2100     *
2101     * @see #GET_META_DATA
2102     * @see #GET_SHARED_LIBRARY_FILES
2103     * @see #GET_UNINSTALLED_PACKAGES
2104     */
2105    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2106
2107    /**
2108     * Get a list of shared libraries that are available on the
2109     * system.
2110     *
2111     * @return An array of shared library names that are
2112     * available on the system, or null if none are installed.
2113     *
2114     */
2115    public abstract String[] getSystemSharedLibraryNames();
2116
2117    /**
2118     * Get a list of features that are available on the
2119     * system.
2120     *
2121     * @return An array of FeatureInfo classes describing the features
2122     * that are available on the system, or null if there are none(!!).
2123     */
2124    public abstract FeatureInfo[] getSystemAvailableFeatures();
2125
2126    /**
2127     * Check whether the given feature name is one of the available
2128     * features as returned by {@link #getSystemAvailableFeatures()}.
2129     *
2130     * @return Returns true if the devices supports the feature, else
2131     * false.
2132     */
2133    public abstract boolean hasSystemFeature(String name);
2134
2135    /**
2136     * Determine the best action to perform for a given Intent.  This is how
2137     * {@link Intent#resolveActivity} finds an activity if a class has not
2138     * been explicitly specified.
2139     *
2140     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2141     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2142     * only flag.  You need to do so to resolve the activity in the same way
2143     * that {@link android.content.Context#startActivity(Intent)} and
2144     * {@link android.content.Intent#resolveActivity(PackageManager)
2145     * Intent.resolveActivity(PackageManager)} do.</p>
2146     *
2147     * @param intent An intent containing all of the desired specification
2148     *               (action, data, type, category, and/or component).
2149     * @param flags Additional option flags.  The most important is
2150     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2151     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2152     *
2153     * @return Returns a ResolveInfo containing the final activity intent that
2154     *         was determined to be the best action.  Returns null if no
2155     *         matching activity was found. If multiple matching activities are
2156     *         found and there is no default set, returns a ResolveInfo
2157     *         containing something else, such as the activity resolver.
2158     *
2159     * @see #MATCH_DEFAULT_ONLY
2160     * @see #GET_INTENT_FILTERS
2161     * @see #GET_RESOLVED_FILTER
2162     */
2163    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2164
2165    /**
2166     * Determine the best action to perform for a given Intent for a given user. This
2167     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2168     * been explicitly specified.
2169     *
2170     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2171     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2172     * only flag.  You need to do so to resolve the activity in the same way
2173     * that {@link android.content.Context#startActivity(Intent)} and
2174     * {@link android.content.Intent#resolveActivity(PackageManager)
2175     * Intent.resolveActivity(PackageManager)} do.</p>
2176     *
2177     * @param intent An intent containing all of the desired specification
2178     *               (action, data, type, category, and/or component).
2179     * @param flags Additional option flags.  The most important is
2180     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2181     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2182     * @param userId The user id.
2183     *
2184     * @return Returns a ResolveInfo containing the final activity intent that
2185     *         was determined to be the best action.  Returns null if no
2186     *         matching activity was found. If multiple matching activities are
2187     *         found and there is no default set, returns a ResolveInfo
2188     *         containing something else, such as the activity resolver.
2189     *
2190     * @see #MATCH_DEFAULT_ONLY
2191     * @see #GET_INTENT_FILTERS
2192     * @see #GET_RESOLVED_FILTER
2193     *
2194     * @hide
2195     */
2196    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2197
2198    /**
2199     * Retrieve all activities that can be performed for the given intent.
2200     *
2201     * @param intent The desired intent as per resolveActivity().
2202     * @param flags Additional option flags.  The most important is
2203     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2204     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2205     *
2206     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2207     *         Activity. These are ordered from best to worst match -- that
2208     *         is, the first item in the list is what is returned by
2209     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2210     *         list is returned.
2211     *
2212     * @see #MATCH_DEFAULT_ONLY
2213     * @see #GET_INTENT_FILTERS
2214     * @see #GET_RESOLVED_FILTER
2215     */
2216    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2217            int flags);
2218
2219    /**
2220     * Retrieve all activities that can be performed for the given intent, for a specific user.
2221     *
2222     * @param intent The desired intent as per resolveActivity().
2223     * @param flags Additional option flags.  The most important is
2224     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2225     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2226     *
2227     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2228     *         Activity. These are ordered from best to worst match -- that
2229     *         is, the first item in the list is what is returned by
2230     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2231     *         list is returned.
2232     *
2233     * @see #MATCH_DEFAULT_ONLY
2234     * @see #GET_INTENT_FILTERS
2235     * @see #GET_RESOLVED_FILTER
2236     * @hide
2237     */
2238    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2239            int flags, int userId);
2240
2241
2242    /**
2243     * Retrieve a set of activities that should be presented to the user as
2244     * similar options.  This is like {@link #queryIntentActivities}, except it
2245     * also allows you to supply a list of more explicit Intents that you would
2246     * like to resolve to particular options, and takes care of returning the
2247     * final ResolveInfo list in a reasonable order, with no duplicates, based
2248     * on those inputs.
2249     *
2250     * @param caller The class name of the activity that is making the
2251     *               request.  This activity will never appear in the output
2252     *               list.  Can be null.
2253     * @param specifics An array of Intents that should be resolved to the
2254     *                  first specific results.  Can be null.
2255     * @param intent The desired intent as per resolveActivity().
2256     * @param flags Additional option flags.  The most important is
2257     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2258     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2259     *
2260     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2261     *         Activity. These are ordered first by all of the intents resolved
2262     *         in <var>specifics</var> and then any additional activities that
2263     *         can handle <var>intent</var> but did not get included by one of
2264     *         the <var>specifics</var> intents.  If there are no matching
2265     *         activities, an empty list is returned.
2266     *
2267     * @see #MATCH_DEFAULT_ONLY
2268     * @see #GET_INTENT_FILTERS
2269     * @see #GET_RESOLVED_FILTER
2270     */
2271    public abstract List<ResolveInfo> queryIntentActivityOptions(
2272            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2273
2274    /**
2275     * Retrieve all receivers that can handle a broadcast of the given intent.
2276     *
2277     * @param intent The desired intent as per resolveActivity().
2278     * @param flags Additional option flags.
2279     *
2280     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2281     *         Receiver. These are ordered from first to last in priority.  If
2282     *         there are no matching receivers, an empty list is returned.
2283     *
2284     * @see #MATCH_DEFAULT_ONLY
2285     * @see #GET_INTENT_FILTERS
2286     * @see #GET_RESOLVED_FILTER
2287     */
2288    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2289            int flags);
2290
2291    /**
2292     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2293     * user.
2294     *
2295     * @param intent The desired intent as per resolveActivity().
2296     * @param flags Additional option flags.
2297     * @param userId The userId of the user being queried.
2298     *
2299     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2300     *         Receiver. These are ordered from first to last in priority.  If
2301     *         there are no matching receivers, an empty list is returned.
2302     *
2303     * @see #MATCH_DEFAULT_ONLY
2304     * @see #GET_INTENT_FILTERS
2305     * @see #GET_RESOLVED_FILTER
2306     * @hide
2307     */
2308    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2309            int flags, int userId);
2310
2311    /**
2312     * Determine the best service to handle for a given Intent.
2313     *
2314     * @param intent An intent containing all of the desired specification
2315     *               (action, data, type, category, and/or component).
2316     * @param flags Additional option flags.
2317     *
2318     * @return Returns a ResolveInfo containing the final service intent that
2319     *         was determined to be the best action.  Returns null if no
2320     *         matching service was found.
2321     *
2322     * @see #GET_INTENT_FILTERS
2323     * @see #GET_RESOLVED_FILTER
2324     */
2325    public abstract ResolveInfo resolveService(Intent intent, int flags);
2326
2327    /**
2328     * Retrieve all services that can match the given intent.
2329     *
2330     * @param intent The desired intent as per resolveService().
2331     * @param flags Additional option flags.
2332     *
2333     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2334     *         ServiceInfo. These are ordered from best to worst match -- that
2335     *         is, the first item in the list is what is returned by
2336     *         resolveService().  If there are no matching services, an empty
2337     *         list is returned.
2338     *
2339     * @see #GET_INTENT_FILTERS
2340     * @see #GET_RESOLVED_FILTER
2341     */
2342    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2343            int flags);
2344
2345    /**
2346     * Retrieve all services that can match the given intent for a given user.
2347     *
2348     * @param intent The desired intent as per resolveService().
2349     * @param flags Additional option flags.
2350     * @param userId The user id.
2351     *
2352     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2353     *         ServiceInfo. These are ordered from best to worst match -- that
2354     *         is, the first item in the list is what is returned by
2355     *         resolveService().  If there are no matching services, an empty
2356     *         list is returned.
2357     *
2358     * @see #GET_INTENT_FILTERS
2359     * @see #GET_RESOLVED_FILTER
2360     *
2361     * @hide
2362     */
2363    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2364            int flags, int userId);
2365
2366    /** {@hide} */
2367    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2368            Intent intent, int flags, int userId);
2369
2370    /**
2371     * Retrieve all providers that can match the given intent.
2372     *
2373     * @param intent An intent containing all of the desired specification
2374     *            (action, data, type, category, and/or component).
2375     * @param flags Additional option flags.
2376     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2377     *         ProviderInfo. These are ordered from best to worst match. If
2378     *         there are no matching providers, an empty list is returned.
2379     * @see #GET_INTENT_FILTERS
2380     * @see #GET_RESOLVED_FILTER
2381     */
2382    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2383
2384    /**
2385     * Find a single content provider by its base path name.
2386     *
2387     * @param name The name of the provider to find.
2388     * @param flags Additional option flags.  Currently should always be 0.
2389     *
2390     * @return ContentProviderInfo Information about the provider, if found,
2391     *         else null.
2392     */
2393    public abstract ProviderInfo resolveContentProvider(String name,
2394            int flags);
2395
2396    /**
2397     * Retrieve content provider information.
2398     *
2399     * <p><em>Note: unlike most other methods, an empty result set is indicated
2400     * by a null return instead of an empty list.</em>
2401     *
2402     * @param processName If non-null, limits the returned providers to only
2403     *                    those that are hosted by the given process.  If null,
2404     *                    all content providers are returned.
2405     * @param uid If <var>processName</var> is non-null, this is the required
2406     *        uid owning the requested content providers.
2407     * @param flags Additional option flags.  Currently should always be 0.
2408     *
2409     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2410     *         content provider either patching <var>processName</var> or, if
2411     *         <var>processName</var> is null, all known content providers.
2412     *         <em>If there are no matching providers, null is returned.</em>
2413     */
2414    public abstract List<ProviderInfo> queryContentProviders(
2415            String processName, int uid, int flags);
2416
2417    /**
2418     * Retrieve all of the information we know about a particular
2419     * instrumentation class.
2420     *
2421     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2422     * given class name cannot be found on the system.
2423     *
2424     * @param className The full name (i.e.
2425     *                  com.google.apps.contacts.InstrumentList) of an
2426     *                  Instrumentation class.
2427     * @param flags Additional option flags.  Currently should always be 0.
2428     *
2429     * @return InstrumentationInfo containing information about the
2430     *         instrumentation.
2431     */
2432    public abstract InstrumentationInfo getInstrumentationInfo(
2433            ComponentName className, int flags) throws NameNotFoundException;
2434
2435    /**
2436     * Retrieve information about available instrumentation code.  May be used
2437     * to retrieve either all instrumentation code, or only the code targeting
2438     * a particular package.
2439     *
2440     * @param targetPackage If null, all instrumentation is returned; only the
2441     *                      instrumentation targeting this package name is
2442     *                      returned.
2443     * @param flags Additional option flags.  Currently should always be 0.
2444     *
2445     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2446     *         matching available Instrumentation.  Returns an empty list if
2447     *         there is no instrumentation available for the given package.
2448     */
2449    public abstract List<InstrumentationInfo> queryInstrumentation(
2450            String targetPackage, int flags);
2451
2452    /**
2453     * Retrieve an image from a package.  This is a low-level API used by
2454     * the various package manager info structures (such as
2455     * {@link ComponentInfo} to implement retrieval of their associated
2456     * icon.
2457     *
2458     * @param packageName The name of the package that this icon is coming from.
2459     * Cannot be null.
2460     * @param resid The resource identifier of the desired image.  Cannot be 0.
2461     * @param appInfo Overall information about <var>packageName</var>.  This
2462     * may be null, in which case the application information will be retrieved
2463     * for you if needed; if you already have this information around, it can
2464     * be much more efficient to supply it here.
2465     *
2466     * @return Returns a Drawable holding the requested image.  Returns null if
2467     * an image could not be found for any reason.
2468     */
2469    public abstract Drawable getDrawable(String packageName, int resid,
2470            ApplicationInfo appInfo);
2471
2472    /**
2473     * Retrieve the icon associated with an activity.  Given the full name of
2474     * an activity, retrieves the information about it and calls
2475     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2476     * If the activity cannot be found, NameNotFoundException is thrown.
2477     *
2478     * @param activityName Name of the activity whose icon is to be retrieved.
2479     *
2480     * @return Returns the image of the icon, or the default activity icon if
2481     * it could not be found.  Does not return null.
2482     * @throws NameNotFoundException Thrown if the resources for the given
2483     * activity could not be loaded.
2484     *
2485     * @see #getActivityIcon(Intent)
2486     */
2487    public abstract Drawable getActivityIcon(ComponentName activityName)
2488            throws NameNotFoundException;
2489
2490    /**
2491     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2492     * set, this simply returns the result of
2493     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2494     * component and returns the icon associated with the resolved component.
2495     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2496     * to a component, NameNotFoundException is thrown.
2497     *
2498     * @param intent The intent for which you would like to retrieve an icon.
2499     *
2500     * @return Returns the image of the icon, or the default activity icon if
2501     * it could not be found.  Does not return null.
2502     * @throws NameNotFoundException Thrown if the resources for application
2503     * matching the given intent could not be loaded.
2504     *
2505     * @see #getActivityIcon(ComponentName)
2506     */
2507    public abstract Drawable getActivityIcon(Intent intent)
2508            throws NameNotFoundException;
2509
2510    /**
2511     * Retrieve the banner associated with an activity. Given the full name of
2512     * an activity, retrieves the information about it and calls
2513     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2514     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2515     *
2516     * @param activityName Name of the activity whose banner is to be retrieved.
2517     * @return Returns the image of the banner, or null if the activity has no
2518     *         banner specified.
2519     * @throws NameNotFoundException Thrown if the resources for the given
2520     *             activity could not be loaded.
2521     * @see #getActivityBanner(Intent)
2522     */
2523    public abstract Drawable getActivityBanner(ComponentName activityName)
2524            throws NameNotFoundException;
2525
2526    /**
2527     * Retrieve the banner associated with an Intent. If intent.getClassName()
2528     * is set, this simply returns the result of
2529     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2530     * intent's component and returns the banner associated with the resolved
2531     * component. If intent.getClassName() cannot be found or the Intent cannot
2532     * be resolved to a component, NameNotFoundException is thrown.
2533     *
2534     * @param intent The intent for which you would like to retrieve a banner.
2535     * @return Returns the image of the banner, or null if the activity has no
2536     *         banner specified.
2537     * @throws NameNotFoundException Thrown if the resources for application
2538     *             matching the given intent could not be loaded.
2539     * @see #getActivityBanner(ComponentName)
2540     */
2541    public abstract Drawable getActivityBanner(Intent intent)
2542            throws NameNotFoundException;
2543
2544    /**
2545     * Return the generic icon for an activity that is used when no specific
2546     * icon is defined.
2547     *
2548     * @return Drawable Image of the icon.
2549     */
2550    public abstract Drawable getDefaultActivityIcon();
2551
2552    /**
2553     * Retrieve the icon associated with an application.  If it has not defined
2554     * an icon, the default app icon is returned.  Does not return null.
2555     *
2556     * @param info Information about application being queried.
2557     *
2558     * @return Returns the image of the icon, or the default application icon
2559     * if it could not be found.
2560     *
2561     * @see #getApplicationIcon(String)
2562     */
2563    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2564
2565    /**
2566     * Retrieve the icon associated with an application.  Given the name of the
2567     * application's package, retrieves the information about it and calls
2568     * getApplicationIcon() to return its icon. If the application cannot be
2569     * found, NameNotFoundException is thrown.
2570     *
2571     * @param packageName Name of the package whose application icon is to be
2572     *                    retrieved.
2573     *
2574     * @return Returns the image of the icon, or the default application icon
2575     * if it could not be found.  Does not return null.
2576     * @throws NameNotFoundException Thrown if the resources for the given
2577     * application could not be loaded.
2578     *
2579     * @see #getApplicationIcon(ApplicationInfo)
2580     */
2581    public abstract Drawable getApplicationIcon(String packageName)
2582            throws NameNotFoundException;
2583
2584    /**
2585     * Retrieve the banner associated with an application.
2586     *
2587     * @param info Information about application being queried.
2588     * @return Returns the image of the banner or null if the application has no
2589     *         banner specified.
2590     * @see #getApplicationBanner(String)
2591     */
2592    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2593
2594    /**
2595     * Retrieve the banner associated with an application. Given the name of the
2596     * application's package, retrieves the information about it and calls
2597     * getApplicationIcon() to return its banner. If the application cannot be
2598     * found, NameNotFoundException is thrown.
2599     *
2600     * @param packageName Name of the package whose application banner is to be
2601     *            retrieved.
2602     * @return Returns the image of the banner or null if the application has no
2603     *         banner specified.
2604     * @throws NameNotFoundException Thrown if the resources for the given
2605     *             application could not be loaded.
2606     * @see #getApplicationBanner(ApplicationInfo)
2607     */
2608    public abstract Drawable getApplicationBanner(String packageName)
2609            throws NameNotFoundException;
2610
2611    /**
2612     * Retrieve the logo associated with an activity. Given the full name of an
2613     * activity, retrieves the information about it and calls
2614     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2615     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2616     *
2617     * @param activityName Name of the activity whose logo is to be retrieved.
2618     * @return Returns the image of the logo or null if the activity has no logo
2619     *         specified.
2620     * @throws NameNotFoundException Thrown if the resources for the given
2621     *             activity could not be loaded.
2622     * @see #getActivityLogo(Intent)
2623     */
2624    public abstract Drawable getActivityLogo(ComponentName activityName)
2625            throws NameNotFoundException;
2626
2627    /**
2628     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2629     * set, this simply returns the result of
2630     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2631     * component and returns the logo associated with the resolved component.
2632     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2633     * to a component, NameNotFoundException is thrown.
2634     *
2635     * @param intent The intent for which you would like to retrieve a logo.
2636     *
2637     * @return Returns the image of the logo, or null if the activity has no
2638     * logo specified.
2639     *
2640     * @throws NameNotFoundException Thrown if the resources for application
2641     * matching the given intent could not be loaded.
2642     *
2643     * @see #getActivityLogo(ComponentName)
2644     */
2645    public abstract Drawable getActivityLogo(Intent intent)
2646            throws NameNotFoundException;
2647
2648    /**
2649     * Retrieve the logo associated with an application.  If it has not specified
2650     * a logo, this method returns null.
2651     *
2652     * @param info Information about application being queried.
2653     *
2654     * @return Returns the image of the logo, or null if no logo is specified
2655     * by the application.
2656     *
2657     * @see #getApplicationLogo(String)
2658     */
2659    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2660
2661    /**
2662     * Retrieve the logo associated with an application.  Given the name of the
2663     * application's package, retrieves the information about it and calls
2664     * getApplicationLogo() to return its logo. If the application cannot be
2665     * found, NameNotFoundException is thrown.
2666     *
2667     * @param packageName Name of the package whose application logo is to be
2668     *                    retrieved.
2669     *
2670     * @return Returns the image of the logo, or null if no application logo
2671     * has been specified.
2672     *
2673     * @throws NameNotFoundException Thrown if the resources for the given
2674     * application could not be loaded.
2675     *
2676     * @see #getApplicationLogo(ApplicationInfo)
2677     */
2678    public abstract Drawable getApplicationLogo(String packageName)
2679            throws NameNotFoundException;
2680
2681    /**
2682     * Retrieve text from a package.  This is a low-level API used by
2683     * the various package manager info structures (such as
2684     * {@link ComponentInfo} to implement retrieval of their associated
2685     * labels and other text.
2686     *
2687     * @param packageName The name of the package that this text is coming from.
2688     * Cannot be null.
2689     * @param resid The resource identifier of the desired text.  Cannot be 0.
2690     * @param appInfo Overall information about <var>packageName</var>.  This
2691     * may be null, in which case the application information will be retrieved
2692     * for you if needed; if you already have this information around, it can
2693     * be much more efficient to supply it here.
2694     *
2695     * @return Returns a CharSequence holding the requested text.  Returns null
2696     * if the text could not be found for any reason.
2697     */
2698    public abstract CharSequence getText(String packageName, int resid,
2699            ApplicationInfo appInfo);
2700
2701    /**
2702     * Retrieve an XML file from a package.  This is a low-level API used to
2703     * retrieve XML meta data.
2704     *
2705     * @param packageName The name of the package that this xml is coming from.
2706     * Cannot be null.
2707     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2708     * @param appInfo Overall information about <var>packageName</var>.  This
2709     * may be null, in which case the application information will be retrieved
2710     * for you if needed; if you already have this information around, it can
2711     * be much more efficient to supply it here.
2712     *
2713     * @return Returns an XmlPullParser allowing you to parse out the XML
2714     * data.  Returns null if the xml resource could not be found for any
2715     * reason.
2716     */
2717    public abstract XmlResourceParser getXml(String packageName, int resid,
2718            ApplicationInfo appInfo);
2719
2720    /**
2721     * Return the label to use for this application.
2722     *
2723     * @return Returns the label associated with this application, or null if
2724     * it could not be found for any reason.
2725     * @param info The application to get the label of.
2726     */
2727    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2728
2729    /**
2730     * Retrieve the resources associated with an activity.  Given the full
2731     * name of an activity, retrieves the information about it and calls
2732     * getResources() to return its application's resources.  If the activity
2733     * cannot be found, NameNotFoundException is thrown.
2734     *
2735     * @param activityName Name of the activity whose resources are to be
2736     *                     retrieved.
2737     *
2738     * @return Returns the application's Resources.
2739     * @throws NameNotFoundException Thrown if the resources for the given
2740     * application could not be loaded.
2741     *
2742     * @see #getResourcesForApplication(ApplicationInfo)
2743     */
2744    public abstract Resources getResourcesForActivity(ComponentName activityName)
2745            throws NameNotFoundException;
2746
2747    /**
2748     * Retrieve the resources for an application.  Throws NameNotFoundException
2749     * if the package is no longer installed.
2750     *
2751     * @param app Information about the desired application.
2752     *
2753     * @return Returns the application's Resources.
2754     * @throws NameNotFoundException Thrown if the resources for the given
2755     * application could not be loaded (most likely because it was uninstalled).
2756     */
2757    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2758            throws NameNotFoundException;
2759
2760    /**
2761     * Retrieve the resources associated with an application.  Given the full
2762     * package name of an application, retrieves the information about it and
2763     * calls getResources() to return its application's resources.  If the
2764     * appPackageName cannot be found, NameNotFoundException is thrown.
2765     *
2766     * @param appPackageName Package name of the application whose resources
2767     *                       are to be retrieved.
2768     *
2769     * @return Returns the application's Resources.
2770     * @throws NameNotFoundException Thrown if the resources for the given
2771     * application could not be loaded.
2772     *
2773     * @see #getResourcesForApplication(ApplicationInfo)
2774     */
2775    public abstract Resources getResourcesForApplication(String appPackageName)
2776            throws NameNotFoundException;
2777
2778    /** @hide */
2779    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2780            throws NameNotFoundException;
2781
2782    /**
2783     * Retrieve overall information about an application package defined
2784     * in a package archive file
2785     *
2786     * @param archiveFilePath The path to the archive file
2787     * @param flags Additional option flags. Use any combination of
2788     * {@link #GET_ACTIVITIES},
2789     * {@link #GET_GIDS},
2790     * {@link #GET_CONFIGURATIONS},
2791     * {@link #GET_INSTRUMENTATION},
2792     * {@link #GET_PERMISSIONS},
2793     * {@link #GET_PROVIDERS},
2794     * {@link #GET_RECEIVERS},
2795     * {@link #GET_SERVICES},
2796     * {@link #GET_SIGNATURES}, to modify the data returned.
2797     *
2798     * @return Returns the information about the package. Returns
2799     * null if the package could not be successfully parsed.
2800     *
2801     * @see #GET_ACTIVITIES
2802     * @see #GET_GIDS
2803     * @see #GET_CONFIGURATIONS
2804     * @see #GET_INSTRUMENTATION
2805     * @see #GET_PERMISSIONS
2806     * @see #GET_PROVIDERS
2807     * @see #GET_RECEIVERS
2808     * @see #GET_SERVICES
2809     * @see #GET_SIGNATURES
2810     *
2811     */
2812    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2813        PackageParser packageParser = new PackageParser(archiveFilePath);
2814        DisplayMetrics metrics = new DisplayMetrics();
2815        metrics.setToDefaults();
2816        final File sourceFile = new File(archiveFilePath);
2817        PackageParser.Package pkg = packageParser.parsePackage(
2818                sourceFile, archiveFilePath, metrics, 0);
2819        if (pkg == null) {
2820            return null;
2821        }
2822        if ((flags & GET_SIGNATURES) != 0) {
2823            packageParser.collectCertificates(pkg, 0);
2824        }
2825        PackageUserState state = new PackageUserState();
2826        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2827    }
2828
2829    /**
2830     * @hide
2831     *
2832     * Install a package. Since this may take a little while, the result will
2833     * be posted back to the given observer.  An installation will fail if the calling context
2834     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2835     * package named in the package file's manifest is already installed, or if there's no space
2836     * available on the device.
2837     *
2838     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2839     * 'content:' URI.
2840     * @param observer An observer callback to get notified when the package installation is
2841     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2842     * called when that happens.  This parameter must not be null.
2843     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2844     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2845     * @param installerPackageName Optional package name of the application that is performing the
2846     * installation. This identifies which market the package came from.
2847     * @deprecated Use {@link #installPackage(Uri, IPackageInstallObserver2, int, String)}
2848     * instead.  This method will continue to be supported but the older observer interface
2849     * will not get additional failure details.
2850     */
2851    public abstract void installPackage(
2852            Uri packageURI, IPackageInstallObserver observer, int flags,
2853            String installerPackageName);
2854
2855    /**
2856     * Similar to
2857     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2858     * with an extra verification file provided.
2859     *
2860     * @param packageURI The location of the package file to install. This can
2861     *            be a 'file:' or a 'content:' URI.
2862     * @param observer An observer callback to get notified when the package
2863     *            installation is complete.
2864     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2865     *            will be called when that happens. This parameter must not be null.
2866     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2867     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2868     * @param installerPackageName Optional package name of the application that
2869     *            is performing the installation. This identifies which market
2870     *            the package came from.
2871     * @param verificationURI The location of the supplementary verification
2872     *            file. This can be a 'file:' or a 'content:' URI. May be
2873     *            {@code null}.
2874     * @param manifestDigest an object that holds the digest of the package
2875     *            which can be used to verify ownership. May be {@code null}.
2876     * @param encryptionParams if the package to be installed is encrypted,
2877     *            these parameters describing the encryption and authentication
2878     *            used. May be {@code null}.
2879     * @hide
2880     * @deprecated Use {@link #installPackageWithVerification(Uri, IPackageInstallObserver2,
2881     * int, String, Uri, ManifestDigest, ContainerEncryptionParams)} instead.  This method will
2882     * continue to be supported but the older observer interface will not get additional failure
2883     * details.
2884     */
2885    public abstract void installPackageWithVerification(Uri packageURI,
2886            IPackageInstallObserver observer, int flags, String installerPackageName,
2887            Uri verificationURI, ManifestDigest manifestDigest,
2888            ContainerEncryptionParams encryptionParams);
2889
2890    /**
2891     * Similar to
2892     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2893     * with an extra verification information provided.
2894     *
2895     * @param packageURI The location of the package file to install. This can
2896     *            be a 'file:' or a 'content:' URI.
2897     * @param observer An observer callback to get notified when the package
2898     *            installation is complete.
2899     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2900     *            will be called when that happens. This parameter must not be null.
2901     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2902     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2903     * @param installerPackageName Optional package name of the application that
2904     *            is performing the installation. This identifies which market
2905     *            the package came from.
2906     * @param verificationParams an object that holds signal information to
2907     *            assist verification. May be {@code null}.
2908     * @param encryptionParams if the package to be installed is encrypted,
2909     *            these parameters describing the encryption and authentication
2910     *            used. May be {@code null}.
2911     *
2912     * @hide
2913     * @deprecated Use {@link #installPackageWithVerificationAndEncryption(Uri,
2914     * IPackageInstallObserver2, int, String, VerificationParams,
2915     * ContainerEncryptionParams)} instead.  This method will continue to be
2916     * supported but the older observer interface will not get additional failure details.
2917     */
2918    @Deprecated
2919    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2920            IPackageInstallObserver observer, int flags, String installerPackageName,
2921            VerificationParams verificationParams,
2922            ContainerEncryptionParams encryptionParams);
2923
2924    // Package-install variants that take the new, expanded form of observer interface.
2925    // Note that these *also* take the original observer type and will redundantly
2926    // report the same information to that observer if supplied; but it is not required.
2927
2928    /**
2929     * @hide
2930     *
2931     * Install a package. Since this may take a little while, the result will
2932     * be posted back to the given observer.  An installation will fail if the calling context
2933     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2934     * package named in the package file's manifest is already installed, or if there's no space
2935     * available on the device.
2936     *
2937     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2938     * 'content:' URI.
2939     * @param observer An observer callback to get notified when the package installation is
2940     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
2941     * called when that happens. This parameter must not be null.
2942     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2943     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2944     * @param installerPackageName Optional package name of the application that is performing the
2945     * installation. This identifies which market the package came from.
2946     */
2947    public abstract void installPackage(
2948            Uri packageURI, PackageInstallObserver observer,
2949            int flags, String installerPackageName);
2950
2951    /**
2952     * Similar to
2953     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2954     * with an extra verification file provided.
2955     *
2956     * @param packageURI The location of the package file to install. This can
2957     *            be a 'file:' or a 'content:' URI.
2958     * @param observer An observer callback to get notified when the package installation is
2959     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
2960     * called when that happens. This parameter must not be null.
2961     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2962     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2963     * @param installerPackageName Optional package name of the application that
2964     *            is performing the installation. This identifies which market
2965     *            the package came from.
2966     * @param verificationURI The location of the supplementary verification
2967     *            file. This can be a 'file:' or a 'content:' URI. May be
2968     *            {@code null}.
2969     * @param manifestDigest an object that holds the digest of the package
2970     *            which can be used to verify ownership. May be {@code null}.
2971     * @param encryptionParams if the package to be installed is encrypted,
2972     *            these parameters describing the encryption and authentication
2973     *            used. May be {@code null}.
2974     * @hide
2975     */
2976    public abstract void installPackageWithVerification(Uri packageURI,
2977            PackageInstallObserver observer, int flags, String installerPackageName,
2978            Uri verificationURI, ManifestDigest manifestDigest,
2979            ContainerEncryptionParams encryptionParams);
2980
2981    /**
2982     * Similar to
2983     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2984     * with an extra verification information provided.
2985     *
2986     * @param packageURI The location of the package file to install. This can
2987     *            be a 'file:' or a 'content:' URI.
2988     * @param observer An observer callback to get notified when the package installation is
2989     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
2990     * called when that happens. This parameter must not be null.
2991     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2992     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2993     * @param installerPackageName Optional package name of the application that
2994     *            is performing the installation. This identifies which market
2995     *            the package came from.
2996     * @param verificationParams an object that holds signal information to
2997     *            assist verification. May be {@code null}.
2998     * @param encryptionParams if the package to be installed is encrypted,
2999     *            these parameters describing the encryption and authentication
3000     *            used. May be {@code null}.
3001     *
3002     * @hide
3003     */
3004    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
3005            PackageInstallObserver observer, int flags, String installerPackageName,
3006            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams);
3007
3008    /**
3009     * If there is already an application with the given package name installed
3010     * on the system for other users, also install it for the calling user.
3011     * @hide
3012     */
3013    public abstract int installExistingPackage(String packageName)
3014            throws NameNotFoundException;
3015
3016    /**
3017     * Allows a package listening to the
3018     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3019     * broadcast} to respond to the package manager. The response must include
3020     * the {@code verificationCode} which is one of
3021     * {@link PackageManager#VERIFICATION_ALLOW} or
3022     * {@link PackageManager#VERIFICATION_REJECT}.
3023     *
3024     * @param id pending package identifier as passed via the
3025     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3026     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
3027     *            or {@link PackageManager#VERIFICATION_REJECT}.
3028     * @throws SecurityException if the caller does not have the
3029     *            PACKAGE_VERIFICATION_AGENT permission.
3030     */
3031    public abstract void verifyPendingInstall(int id, int verificationCode);
3032
3033    /**
3034     * Allows a package listening to the
3035     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3036     * broadcast} to extend the default timeout for a response and declare what
3037     * action to perform after the timeout occurs. The response must include
3038     * the {@code verificationCodeAtTimeout} which is one of
3039     * {@link PackageManager#VERIFICATION_ALLOW} or
3040     * {@link PackageManager#VERIFICATION_REJECT}.
3041     *
3042     * This method may only be called once per package id. Additional calls
3043     * will have no effect.
3044     *
3045     * @param id pending package identifier as passed via the
3046     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3047     * @param verificationCodeAtTimeout either
3048     *            {@link PackageManager#VERIFICATION_ALLOW} or
3049     *            {@link PackageManager#VERIFICATION_REJECT}. If
3050     *            {@code verificationCodeAtTimeout} is neither
3051     *            {@link PackageManager#VERIFICATION_ALLOW} or
3052     *            {@link PackageManager#VERIFICATION_REJECT}, then
3053     *            {@code verificationCodeAtTimeout} will default to
3054     *            {@link PackageManager#VERIFICATION_REJECT}.
3055     * @param millisecondsToDelay the amount of time requested for the timeout.
3056     *            Must be positive and less than
3057     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
3058     *            {@code millisecondsToDelay} is out of bounds,
3059     *            {@code millisecondsToDelay} will be set to the closest in
3060     *            bounds value; namely, 0 or
3061     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
3062     * @throws SecurityException if the caller does not have the
3063     *            PACKAGE_VERIFICATION_AGENT permission.
3064     */
3065    public abstract void extendVerificationTimeout(int id,
3066            int verificationCodeAtTimeout, long millisecondsToDelay);
3067
3068    /**
3069     * Change the installer associated with a given package.  There are limitations
3070     * on how the installer package can be changed; in particular:
3071     * <ul>
3072     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
3073     * is not signed with the same certificate as the calling application.
3074     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
3075     * has an installer package, and that installer package is not signed with
3076     * the same certificate as the calling application.
3077     * </ul>
3078     *
3079     * @param targetPackage The installed package whose installer will be changed.
3080     * @param installerPackageName The package name of the new installer.  May be
3081     * null to clear the association.
3082     */
3083    public abstract void setInstallerPackageName(String targetPackage,
3084            String installerPackageName);
3085
3086    /**
3087     * Attempts to delete a package.  Since this may take a little while, the result will
3088     * be posted back to the given observer.  A deletion will fail if the calling context
3089     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
3090     * named package cannot be found, or if the named package is a "system package".
3091     * (TODO: include pointer to documentation on "system packages")
3092     *
3093     * @param packageName The name of the package to delete
3094     * @param observer An observer callback to get notified when the package deletion is
3095     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
3096     * called when that happens.  observer may be null to indicate that no callback is desired.
3097     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
3098     * {@link #DELETE_ALL_USERS}.
3099     *
3100     * @hide
3101     */
3102    public abstract void deletePackage(
3103            String packageName, IPackageDeleteObserver observer, int flags);
3104
3105    /**
3106     * Retrieve the package name of the application that installed a package. This identifies
3107     * which market the package came from.
3108     *
3109     * @param packageName The name of the package to query
3110     */
3111    public abstract String getInstallerPackageName(String packageName);
3112
3113    /**
3114     * Attempts to clear the user data directory of an application.
3115     * Since this may take a little while, the result will
3116     * be posted back to the given observer.  A deletion will fail if the
3117     * named package cannot be found, or if the named package is a "system package".
3118     *
3119     * @param packageName The name of the package
3120     * @param observer An observer callback to get notified when the operation is finished
3121     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3122     * will be called when that happens.  observer may be null to indicate that
3123     * no callback is desired.
3124     *
3125     * @hide
3126     */
3127    public abstract void clearApplicationUserData(String packageName,
3128            IPackageDataObserver observer);
3129    /**
3130     * Attempts to delete the cache files associated with an application.
3131     * Since this may take a little while, the result will
3132     * be posted back to the given observer.  A deletion will fail if the calling context
3133     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
3134     * named package cannot be found, or if the named package is a "system package".
3135     *
3136     * @param packageName The name of the package to delete
3137     * @param observer An observer callback to get notified when the cache file deletion
3138     * is complete.
3139     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3140     * will be called when that happens.  observer may be null to indicate that
3141     * no callback is desired.
3142     *
3143     * @hide
3144     */
3145    public abstract void deleteApplicationCacheFiles(String packageName,
3146            IPackageDataObserver observer);
3147
3148    /**
3149     * Free storage by deleting LRU sorted list of cache files across
3150     * all applications. If the currently available free storage
3151     * on the device is greater than or equal to the requested
3152     * free storage, no cache files are cleared. If the currently
3153     * available storage on the device is less than the requested
3154     * free storage, some or all of the cache files across
3155     * all applications are deleted (based on last accessed time)
3156     * to increase the free storage space on the device to
3157     * the requested value. There is no guarantee that clearing all
3158     * the cache files from all applications will clear up
3159     * enough storage to achieve the desired value.
3160     * @param freeStorageSize The number of bytes of storage to be
3161     * freed by the system. Say if freeStorageSize is XX,
3162     * and the current free storage is YY,
3163     * if XX is less than YY, just return. if not free XX-YY number
3164     * of bytes if possible.
3165     * @param observer call back used to notify when
3166     * the operation is completed
3167     *
3168     * @hide
3169     */
3170    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3171
3172    /**
3173     * Free storage by deleting LRU sorted list of cache files across
3174     * all applications. If the currently available free storage
3175     * on the device is greater than or equal to the requested
3176     * free storage, no cache files are cleared. If the currently
3177     * available storage on the device is less than the requested
3178     * free storage, some or all of the cache files across
3179     * all applications are deleted (based on last accessed time)
3180     * to increase the free storage space on the device to
3181     * the requested value. There is no guarantee that clearing all
3182     * the cache files from all applications will clear up
3183     * enough storage to achieve the desired value.
3184     * @param freeStorageSize The number of bytes of storage to be
3185     * freed by the system. Say if freeStorageSize is XX,
3186     * and the current free storage is YY,
3187     * if XX is less than YY, just return. if not free XX-YY number
3188     * of bytes if possible.
3189     * @param pi IntentSender call back used to
3190     * notify when the operation is completed.May be null
3191     * to indicate that no call back is desired.
3192     *
3193     * @hide
3194     */
3195    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3196
3197    /**
3198     * Retrieve the size information for a package.
3199     * Since this may take a little while, the result will
3200     * be posted back to the given observer.  The calling context
3201     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3202     *
3203     * @param packageName The name of the package whose size information is to be retrieved
3204     * @param userHandle The user whose size information should be retrieved.
3205     * @param observer An observer callback to get notified when the operation
3206     * is complete.
3207     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3208     * The observer's callback is invoked with a PackageStats object(containing the
3209     * code, data and cache sizes of the package) and a boolean value representing
3210     * the status of the operation. observer may be null to indicate that
3211     * no callback is desired.
3212     *
3213     * @hide
3214     */
3215    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3216            IPackageStatsObserver observer);
3217
3218    /**
3219     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3220     * returns the size for the calling user.
3221     *
3222     * @hide
3223     */
3224    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3225        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3226    }
3227
3228    /**
3229     * @deprecated This function no longer does anything; it was an old
3230     * approach to managing preferred activities, which has been superseded
3231     * by (and conflicts with) the modern activity-based preferences.
3232     */
3233    @Deprecated
3234    public abstract void addPackageToPreferred(String packageName);
3235
3236    /**
3237     * @deprecated This function no longer does anything; it was an old
3238     * approach to managing preferred activities, which has been superseded
3239     * by (and conflicts with) the modern activity-based preferences.
3240     */
3241    @Deprecated
3242    public abstract void removePackageFromPreferred(String packageName);
3243
3244    /**
3245     * Retrieve the list of all currently configured preferred packages.  The
3246     * first package on the list is the most preferred, the last is the
3247     * least preferred.
3248     *
3249     * @param flags Additional option flags. Use any combination of
3250     * {@link #GET_ACTIVITIES},
3251     * {@link #GET_GIDS},
3252     * {@link #GET_CONFIGURATIONS},
3253     * {@link #GET_INSTRUMENTATION},
3254     * {@link #GET_PERMISSIONS},
3255     * {@link #GET_PROVIDERS},
3256     * {@link #GET_RECEIVERS},
3257     * {@link #GET_SERVICES},
3258     * {@link #GET_SIGNATURES}, to modify the data returned.
3259     *
3260     * @return Returns a list of PackageInfo objects describing each
3261     * preferred application, in order of preference.
3262     *
3263     * @see #GET_ACTIVITIES
3264     * @see #GET_GIDS
3265     * @see #GET_CONFIGURATIONS
3266     * @see #GET_INSTRUMENTATION
3267     * @see #GET_PERMISSIONS
3268     * @see #GET_PROVIDERS
3269     * @see #GET_RECEIVERS
3270     * @see #GET_SERVICES
3271     * @see #GET_SIGNATURES
3272     */
3273    public abstract List<PackageInfo> getPreferredPackages(int flags);
3274
3275    /**
3276     * @deprecated This is a protected API that should not have been available
3277     * to third party applications.  It is the platform's responsibility for
3278     * assigning preferred activities and this cannot be directly modified.
3279     *
3280     * Add a new preferred activity mapping to the system.  This will be used
3281     * to automatically select the given activity component when
3282     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3283     * multiple matching activities and also matches the given filter.
3284     *
3285     * @param filter The set of intents under which this activity will be
3286     * made preferred.
3287     * @param match The IntentFilter match category that this preference
3288     * applies to.
3289     * @param set The set of activities that the user was picking from when
3290     * this preference was made.
3291     * @param activity The component name of the activity that is to be
3292     * preferred.
3293     */
3294    @Deprecated
3295    public abstract void addPreferredActivity(IntentFilter filter, int match,
3296            ComponentName[] set, ComponentName activity);
3297
3298    /**
3299     * Same as {@link #addPreferredActivity(IntentFilter, int,
3300            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3301            to.
3302     * @hide
3303     */
3304    public void addPreferredActivity(IntentFilter filter, int match,
3305            ComponentName[] set, ComponentName activity, int userId) {
3306        throw new RuntimeException("Not implemented. Must override in a subclass.");
3307    }
3308
3309    /**
3310     * @deprecated This is a protected API that should not have been available
3311     * to third party applications.  It is the platform's responsibility for
3312     * assigning preferred activities and this cannot be directly modified.
3313     *
3314     * Replaces an existing preferred activity mapping to the system, and if that were not present
3315     * adds a new preferred activity.  This will be used
3316     * to automatically select the given activity component when
3317     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3318     * multiple matching activities and also matches the given filter.
3319     *
3320     * @param filter The set of intents under which this activity will be
3321     * made preferred.
3322     * @param match The IntentFilter match category that this preference
3323     * applies to.
3324     * @param set The set of activities that the user was picking from when
3325     * this preference was made.
3326     * @param activity The component name of the activity that is to be
3327     * preferred.
3328     * @hide
3329     */
3330    @Deprecated
3331    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3332            ComponentName[] set, ComponentName activity);
3333
3334    /**
3335     * Remove all preferred activity mappings, previously added with
3336     * {@link #addPreferredActivity}, from the
3337     * system whose activities are implemented in the given package name.
3338     * An application can only clear its own package(s).
3339     *
3340     * @param packageName The name of the package whose preferred activity
3341     * mappings are to be removed.
3342     */
3343    public abstract void clearPackagePreferredActivities(String packageName);
3344
3345    /**
3346     * Retrieve all preferred activities, previously added with
3347     * {@link #addPreferredActivity}, that are
3348     * currently registered with the system.
3349     *
3350     * @param outFilters A list in which to place the filters of all of the
3351     * preferred activities, or null for none.
3352     * @param outActivities A list in which to place the component names of
3353     * all of the preferred activities, or null for none.
3354     * @param packageName An option package in which you would like to limit
3355     * the list.  If null, all activities will be returned; if non-null, only
3356     * those activities in the given package are returned.
3357     *
3358     * @return Returns the total number of registered preferred activities
3359     * (the number of distinct IntentFilter records, not the number of unique
3360     * activity components) that were found.
3361     */
3362    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3363            List<ComponentName> outActivities, String packageName);
3364
3365    /**
3366     * Ask for the set of available 'home' activities and the current explicit
3367     * default, if any.
3368     * @hide
3369     */
3370    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3371
3372    /**
3373     * Set the enabled setting for a package component (activity, receiver, service, provider).
3374     * This setting will override any enabled state which may have been set by the component in its
3375     * manifest.
3376     *
3377     * @param componentName The component to enable
3378     * @param newState The new enabled state for the component.  The legal values for this state
3379     *                 are:
3380     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3381     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3382     *                   and
3383     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3384     *                 The last one removes the setting, thereby restoring the component's state to
3385     *                 whatever was set in it's manifest (or enabled, by default).
3386     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3387     */
3388    public abstract void setComponentEnabledSetting(ComponentName componentName,
3389            int newState, int flags);
3390
3391
3392    /**
3393     * Return the the enabled setting for a package component (activity,
3394     * receiver, service, provider).  This returns the last value set by
3395     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3396     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3397     * the value originally specified in the manifest has not been modified.
3398     *
3399     * @param componentName The component to retrieve.
3400     * @return Returns the current enabled state for the component.  May
3401     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3402     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3403     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3404     * component's enabled state is based on the original information in
3405     * the manifest as found in {@link ComponentInfo}.
3406     */
3407    public abstract int getComponentEnabledSetting(ComponentName componentName);
3408
3409    /**
3410     * Set the enabled setting for an application
3411     * This setting will override any enabled state which may have been set by the application in
3412     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3413     * application's components.  It does not override any enabled state set by
3414     * {@link #setComponentEnabledSetting} for any of the application's components.
3415     *
3416     * @param packageName The package name of the application to enable
3417     * @param newState The new enabled state for the component.  The legal values for this state
3418     *                 are:
3419     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3420     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3421     *                   and
3422     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3423     *                 The last one removes the setting, thereby restoring the applications's state to
3424     *                 whatever was set in its manifest (or enabled, by default).
3425     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3426     */
3427    public abstract void setApplicationEnabledSetting(String packageName,
3428            int newState, int flags);
3429
3430    /**
3431     * Return the the enabled setting for an application.  This returns
3432     * the last value set by
3433     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3434     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3435     * the value originally specified in the manifest has not been modified.
3436     *
3437     * @param packageName The component to retrieve.
3438     * @return Returns the current enabled state for the component.  May
3439     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3440     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3441     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3442     * application's enabled state is based on the original information in
3443     * the manifest as found in {@link ComponentInfo}.
3444     * @throws IllegalArgumentException if the named package does not exist.
3445     */
3446    public abstract int getApplicationEnabledSetting(String packageName);
3447
3448    /**
3449     * Puts the package in a blocked state, which is almost like an uninstalled state,
3450     * making the package unavailable, but it doesn't remove the data or the actual
3451     * package file.
3452     * @hide
3453     */
3454    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3455            UserHandle userHandle);
3456
3457    /**
3458     * Returns the blocked state of a package.
3459     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3460     * @hide
3461     */
3462    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3463            UserHandle userHandle);
3464
3465    /**
3466     * Return whether the device has been booted into safe mode.
3467     */
3468    public abstract boolean isSafeMode();
3469
3470    /**
3471     * Attempts to move package resources from internal to external media or vice versa.
3472     * Since this may take a little while, the result will
3473     * be posted back to the given observer.   This call may fail if the calling context
3474     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3475     * named package cannot be found, or if the named package is a "system package".
3476     *
3477     * @param packageName The name of the package to delete
3478     * @param observer An observer callback to get notified when the package move is
3479     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3480     * called when that happens.  observer may be null to indicate that no callback is desired.
3481     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3482     * {@link #MOVE_EXTERNAL_MEDIA}
3483     *
3484     * @hide
3485     */
3486    public abstract void movePackage(
3487            String packageName, IPackageMoveObserver observer, int flags);
3488
3489    /**
3490     * Returns the device identity that verifiers can use to associate their scheme to a particular
3491     * device. This should not be used by anything other than a package verifier.
3492     *
3493     * @return identity that uniquely identifies current device
3494     * @hide
3495     */
3496    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3497
3498    /**
3499     * Returns the data directory for a particular user and package, given the uid of the package.
3500     * @param uid uid of the package, including the userId and appId
3501     * @param packageName name of the package
3502     * @return the user-specific data directory for the package
3503     * @hide
3504     */
3505    public static String getDataDirForUser(int userId, String packageName) {
3506        // TODO: This should be shared with Installer's knowledge of user directory
3507        return Environment.getDataDirectory().toString() + "/user/" + userId
3508                + "/" + packageName;
3509    }
3510
3511    /**
3512     * Adds a forwarding intent filter. After calling this method all intents sent from the user
3513     * with id userIdOrig can also be be resolved by activities in the user with id userIdDest if
3514     * they match the specified intent filter.
3515     * @param filter the {@link IntentFilter} the intent has to match to be forwarded
3516     * @param removable if set to false, {@link clearForwardingIntents} will not remove this intent
3517     * filter
3518     * @param userIdOrig user from which the intent can be forwarded
3519     * @param userIdDest user to which the intent can be forwarded
3520     * @hide
3521     */
3522    public abstract void addForwardingIntentFilter(IntentFilter filter, boolean removable,
3523            int userIdOrig, int userIdDest);
3524
3525    /**
3526     * Clearing all removable {@link ForwardingIntentFilter}s that are set with the given user as
3527     * the origin.
3528     * @param userIdOrig user from which the intent can be forwarded
3529     * @hide
3530     */
3531    public abstract void clearForwardingIntentFilters(int userIdOrig);
3532}
3533