PackageManager.java revision 4bb015d90ae2aa3ce30778f3f584e0b7124f7505
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.SystemApi;
21import android.annotation.SdkConstant;
22import android.annotation.SdkConstant.SdkConstantType;
23import android.app.PackageInstallObserver;
24import android.content.ComponentName;
25import android.content.Context;
26import android.content.Intent;
27import android.content.IntentFilter;
28import android.content.IntentSender;
29import android.content.pm.PackageParser.PackageParserException;
30import android.content.res.Resources;
31import android.content.res.XmlResourceParser;
32import android.graphics.Bitmap;
33import android.graphics.drawable.Drawable;
34import android.net.Uri;
35import android.os.Environment;
36import android.os.UserHandle;
37import android.util.AndroidException;
38import android.util.DisplayMetrics;
39
40import java.io.File;
41import java.lang.annotation.Retention;
42import java.lang.annotation.RetentionPolicy;
43import java.util.List;
44
45/**
46 * Class for retrieving various kinds of information related to the application
47 * packages that are currently installed on the device.
48 *
49 * You can find this class through {@link Context#getPackageManager}.
50 */
51public abstract class PackageManager {
52
53    /**
54     * This exception is thrown when a given package, application, or component
55     * name cannot be found.
56     */
57    public static class NameNotFoundException extends AndroidException {
58        public NameNotFoundException() {
59        }
60
61        public NameNotFoundException(String name) {
62            super(name);
63        }
64    }
65
66    /**
67     * {@link PackageInfo} flag: return information about
68     * activities in the package in {@link PackageInfo#activities}.
69     */
70    public static final int GET_ACTIVITIES              = 0x00000001;
71
72    /**
73     * {@link PackageInfo} flag: return information about
74     * intent receivers in the package in
75     * {@link PackageInfo#receivers}.
76     */
77    public static final int GET_RECEIVERS               = 0x00000002;
78
79    /**
80     * {@link PackageInfo} flag: return information about
81     * services in the package in {@link PackageInfo#services}.
82     */
83    public static final int GET_SERVICES                = 0x00000004;
84
85    /**
86     * {@link PackageInfo} flag: return information about
87     * content providers in the package in
88     * {@link PackageInfo#providers}.
89     */
90    public static final int GET_PROVIDERS               = 0x00000008;
91
92    /**
93     * {@link PackageInfo} flag: return information about
94     * instrumentation in the package in
95     * {@link PackageInfo#instrumentation}.
96     */
97    public static final int GET_INSTRUMENTATION         = 0x00000010;
98
99    /**
100     * {@link PackageInfo} flag: return information about the
101     * intent filters supported by the activity.
102     */
103    public static final int GET_INTENT_FILTERS          = 0x00000020;
104
105    /**
106     * {@link PackageInfo} flag: return information about the
107     * signatures included in the package.
108     */
109    public static final int GET_SIGNATURES          = 0x00000040;
110
111    /**
112     * {@link ResolveInfo} flag: return the IntentFilter that
113     * was matched for a particular ResolveInfo in
114     * {@link ResolveInfo#filter}.
115     */
116    public static final int GET_RESOLVED_FILTER         = 0x00000040;
117
118    /**
119     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
120     * data {@link android.os.Bundle}s that are associated with a component.
121     * This applies for any API returning a ComponentInfo subclass.
122     */
123    public static final int GET_META_DATA               = 0x00000080;
124
125    /**
126     * {@link PackageInfo} flag: return the
127     * {@link PackageInfo#gids group ids} that are associated with an
128     * application.
129     * This applies for any API returning a PackageInfo class, either
130     * directly or nested inside of another.
131     */
132    public static final int GET_GIDS                    = 0x00000100;
133
134    /**
135     * {@link PackageInfo} flag: include disabled components in the returned info.
136     */
137    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
138
139    /**
140     * {@link ApplicationInfo} flag: return the
141     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
142     * that are associated with an application.
143     * This applies for any API returning an ApplicationInfo class, either
144     * directly or nested inside of another.
145     */
146    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
147
148    /**
149     * {@link ProviderInfo} flag: return the
150     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
151     * that are associated with a content provider.
152     * This applies for any API returning a ProviderInfo class, either
153     * directly or nested inside of another.
154     */
155    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
156    /**
157     * {@link PackageInfo} flag: return information about
158     * permissions in the package in
159     * {@link PackageInfo#permissions}.
160     */
161    public static final int GET_PERMISSIONS               = 0x00001000;
162
163    /**
164     * Flag parameter to retrieve some information about all applications (even
165     * uninstalled ones) which have data directories. This state could have
166     * resulted if applications have been deleted with flag
167     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
168     * reinstalled in future.
169     * <p>
170     * Note: this flag may cause less information about currently installed
171     * applications to be returned.
172     */
173    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
174
175    /**
176     * {@link PackageInfo} flag: return information about
177     * hardware preferences in
178     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
179     * requested features in {@link PackageInfo#reqFeatures
180     * PackageInfo.reqFeatures}.
181     */
182    public static final int GET_CONFIGURATIONS = 0x00004000;
183
184    /**
185     * {@link PackageInfo} flag: include disabled components which are in
186     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
187     * in the returned info.  Note that if you set this flag, applications
188     * that are in this disabled state will be reported as enabled.
189     */
190    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
191
192    /**
193     * Resolution and querying flag: if set, only filters that support the
194     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
195     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
196     * supplied Intent.
197     */
198    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
199
200    /**
201     * Resolution and querying flag: do not resolve intents cross-profile.
202     * @hide
203     */
204    public static final int NO_CROSS_PROFILE = 0x00020000;
205
206    /**
207     * Flag for {@link addCrossProfileIntentFilter}: if the cross-profile intent has been set by the
208     * profile owner.
209     * @hide
210     */
211    public static final int SET_BY_PROFILE_OWNER= 0x00000001;
212
213    /**
214     * Flag for {@link addCrossProfileIntentFilter}: if this flag is set:
215     * when resolving an intent that matches the {@link CrossProfileIntentFilter}, the current
216     * profile will be skipped.
217     * Only activities in the target user can respond to the intent.
218     * @hide
219     */
220    public static final int SKIP_CURRENT_PROFILE = 0x00000002;
221
222    /** @hide */
223    @IntDef({PERMISSION_GRANTED, PERMISSION_DENIED})
224    @Retention(RetentionPolicy.SOURCE)
225    public @interface PermissionResult {}
226
227    /**
228     * Permission check result: this is returned by {@link #checkPermission}
229     * if the permission has been granted to the given package.
230     */
231    public static final int PERMISSION_GRANTED = 0;
232
233    /**
234     * Permission check result: this is returned by {@link #checkPermission}
235     * if the permission has not been granted to the given package.
236     */
237    public static final int PERMISSION_DENIED = -1;
238
239    /**
240     * Signature check result: this is returned by {@link #checkSignatures}
241     * if all signatures on the two packages match.
242     */
243    public static final int SIGNATURE_MATCH = 0;
244
245    /**
246     * Signature check result: this is returned by {@link #checkSignatures}
247     * if neither of the two packages is signed.
248     */
249    public static final int SIGNATURE_NEITHER_SIGNED = 1;
250
251    /**
252     * Signature check result: this is returned by {@link #checkSignatures}
253     * if the first package is not signed but the second is.
254     */
255    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
256
257    /**
258     * Signature check result: this is returned by {@link #checkSignatures}
259     * if the second package is not signed but the first is.
260     */
261    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
262
263    /**
264     * Signature check result: this is returned by {@link #checkSignatures}
265     * if not all signatures on both packages match.
266     */
267    public static final int SIGNATURE_NO_MATCH = -3;
268
269    /**
270     * Signature check result: this is returned by {@link #checkSignatures}
271     * if either of the packages are not valid.
272     */
273    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
274
275    /**
276     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
277     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
278     * component or application is in its default enabled state (as specified
279     * in its manifest).
280     */
281    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
282
283    /**
284     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
285     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
286     * component or application has been explictily enabled, regardless of
287     * what it has specified in its manifest.
288     */
289    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
290
291    /**
292     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
293     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
294     * component or application has been explicitly disabled, regardless of
295     * what it has specified in its manifest.
296     */
297    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
298
299    /**
300     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
301     * user has explicitly disabled the application, regardless of what it has
302     * specified in its manifest.  Because this is due to the user's request,
303     * they may re-enable it if desired through the appropriate system UI.  This
304     * option currently <strong>cannot</strong> be used with
305     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
306     */
307    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
308
309    /**
310     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
311     * application should be considered, until the point where the user actually
312     * wants to use it.  This means that it will not normally show up to the user
313     * (such as in the launcher), but various parts of the user interface can
314     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
315     * the user to select it (as for example an IME, device admin, etc).  Such code,
316     * once the user has selected the app, should at that point also make it enabled.
317     * This option currently <strong>can not</strong> be used with
318     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
319     */
320    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
321
322    /**
323     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
324     * indicate that this package should be installed as forward locked, i.e. only the app itself
325     * should have access to its code and non-resource assets.
326     * @hide
327     */
328    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
329
330    /**
331     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
332     * installed package, if one exists.
333     * @hide
334     */
335    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
336
337    /**
338     * Flag parameter for {@link #installPackage} to indicate that you want to
339     * allow test packages (those that have set android:testOnly in their
340     * manifest) to be installed.
341     * @hide
342     */
343    public static final int INSTALL_ALLOW_TEST = 0x00000004;
344
345    /**
346     * Flag parameter for {@link #installPackage} to indicate that this
347     * package has to be installed on the sdcard.
348     * @hide
349     */
350    public static final int INSTALL_EXTERNAL = 0x00000008;
351
352    /**
353     * Flag parameter for {@link #installPackage} to indicate that this package
354     * has to be installed on the sdcard.
355     * @hide
356     */
357    public static final int INSTALL_INTERNAL = 0x00000010;
358
359    /**
360     * Flag parameter for {@link #installPackage} to indicate that this install
361     * was initiated via ADB.
362     *
363     * @hide
364     */
365    public static final int INSTALL_FROM_ADB = 0x00000020;
366
367    /**
368     * Flag parameter for {@link #installPackage} to indicate that this install
369     * should immediately be visible to all users.
370     *
371     * @hide
372     */
373    public static final int INSTALL_ALL_USERS = 0x00000040;
374
375    /**
376     * Flag parameter for {@link #installPackage} to indicate that it is okay
377     * to install an update to an app where the newly installed app has a lower
378     * version code than the currently installed app.
379     *
380     * @hide
381     */
382    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
383
384    /**
385     * Flag parameter for
386     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
387     * that you don't want to kill the app containing the component.  Be careful when you set this
388     * since changing component states can make the containing application's behavior unpredictable.
389     */
390    public static final int DONT_KILL_APP = 0x00000001;
391
392    /**
393     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
394     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
395     * @hide
396     */
397    @SystemApi
398    public static final int INSTALL_SUCCEEDED = 1;
399
400    /**
401     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
402     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
403     * already installed.
404     * @hide
405     */
406    @SystemApi
407    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
408
409    /**
410     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
411     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
412     * file is invalid.
413     * @hide
414     */
415    @SystemApi
416    public static final int INSTALL_FAILED_INVALID_APK = -2;
417
418    /**
419     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
420     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
421     * is invalid.
422     * @hide
423     */
424    @SystemApi
425    public static final int INSTALL_FAILED_INVALID_URI = -3;
426
427    /**
428     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
429     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
430     * service found that the device didn't have enough storage space to install the app.
431     * @hide
432     */
433    @SystemApi
434    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
435
436    /**
437     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
438     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
439     * package is already installed with the same name.
440     * @hide
441     */
442    @SystemApi
443    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
444
445    /**
446     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
447     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
448     * the requested shared user does not exist.
449     * @hide
450     */
451    @SystemApi
452    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
453
454    /**
455     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
456     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
457     * a previously installed package of the same name has a different signature
458     * than the new package (and the old package's data was not removed).
459     * @hide
460     */
461    @SystemApi
462    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
463
464    /**
465     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
466     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
467     * the new package is requested a shared user which is already installed on the
468     * device and does not have matching signature.
469     * @hide
470     */
471    @SystemApi
472    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
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 uses a shared library that is not available.
478     * @hide
479     */
480    @SystemApi
481    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
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 uses a shared library that is not available.
487     * @hide
488     */
489    @SystemApi
490    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
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 while optimizing and validating its dex files,
496     * either because there was not enough storage or the validation failed.
497     * @hide
498     */
499    @SystemApi
500    public static final int INSTALL_FAILED_DEXOPT = -11;
501
502    /**
503     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
504     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
505     * the new package failed because the current SDK version is older than
506     * that required by the package.
507     * @hide
508     */
509    @SystemApi
510    public static final int INSTALL_FAILED_OLDER_SDK = -12;
511
512    /**
513     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
514     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
515     * the new package failed because it contains a content provider with the
516     * same authority as a provider already installed in the system.
517     * @hide
518     */
519    @SystemApi
520    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
521
522    /**
523     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
524     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
525     * the new package failed because the current SDK version is newer than
526     * that required by the package.
527     * @hide
528     */
529    @SystemApi
530    public static final int INSTALL_FAILED_NEWER_SDK = -14;
531
532    /**
533     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
534     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
535     * the new package failed because it has specified that it is a test-only
536     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
537     * flag.
538     * @hide
539     */
540    @SystemApi
541    public static final int INSTALL_FAILED_TEST_ONLY = -15;
542
543    /**
544     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
545     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
546     * the package being installed contains native code, but none that is
547     * compatible with the device's CPU_ABI.
548     * @hide
549     */
550    @SystemApi
551    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
552
553    /**
554     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
555     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
556     * the new package uses a feature that is not available.
557     * @hide
558     */
559    @SystemApi
560    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
561
562    // ------ Errors related to sdcard
563    /**
564     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
565     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
566     * a secure container mount point couldn't be accessed on external media.
567     * @hide
568     */
569    @SystemApi
570    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
571
572    /**
573     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
574     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
575     * the new package couldn't be installed in the specified install
576     * location.
577     * @hide
578     */
579    @SystemApi
580    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
581
582    /**
583     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
584     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
585     * the new package couldn't be installed in the specified install
586     * location because the media is not available.
587     * @hide
588     */
589    @SystemApi
590    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
591
592    /**
593     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
594     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
595     * the new package couldn't be installed because the verification timed out.
596     * @hide
597     */
598    @SystemApi
599    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
600
601    /**
602     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
603     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
604     * the new package couldn't be installed because the verification did not succeed.
605     * @hide
606     */
607    @SystemApi
608    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
609
610    /**
611     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
612     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
613     * the package changed from what the calling program expected.
614     * @hide
615     */
616    @SystemApi
617    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
618
619    /**
620     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
621     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
622     * the new package is assigned a different UID than it previously held.
623     * @hide
624     */
625    public static final int INSTALL_FAILED_UID_CHANGED = -24;
626
627    /**
628     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
629     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
630     * the new package has an older version code than the currently installed package.
631     * @hide
632     */
633    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
634
635    /**
636     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
637     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
638     * if the parser was given a path that is not a file, or does not end with the expected
639     * '.apk' extension.
640     * @hide
641     */
642    @SystemApi
643    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
644
645    /**
646     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
647     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
648     * if the parser was unable to retrieve the AndroidManifest.xml file.
649     * @hide
650     */
651    @SystemApi
652    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
653
654    /**
655     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
656     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
657     * if the parser encountered an unexpected exception.
658     * @hide
659     */
660    @SystemApi
661    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
662
663    /**
664     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
665     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
666     * if the parser did not find any certificates in the .apk.
667     * @hide
668     */
669    @SystemApi
670    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
671
672    /**
673     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
674     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
675     * if the parser found inconsistent certificates on the files in the .apk.
676     * @hide
677     */
678    @SystemApi
679    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
680
681    /**
682     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
683     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
684     * if the parser encountered a CertificateEncodingException in one of the
685     * files in the .apk.
686     * @hide
687     */
688    @SystemApi
689    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
690
691    /**
692     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
693     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
694     * if the parser encountered a bad or missing package name in the manifest.
695     * @hide
696     */
697    @SystemApi
698    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
699
700    /**
701     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
702     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
703     * if the parser encountered a bad shared user id name in the manifest.
704     * @hide
705     */
706    @SystemApi
707    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
708
709    /**
710     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
711     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
712     * if the parser encountered some structural problem in the manifest.
713     * @hide
714     */
715    @SystemApi
716    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
717
718    /**
719     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
720     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
721     * if the parser did not find any actionable tags (instrumentation or application)
722     * in the manifest.
723     * @hide
724     */
725    @SystemApi
726    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
727
728    /**
729     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
730     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
731     * if the system failed to install the package because of system issues.
732     * @hide
733     */
734    @SystemApi
735    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
736
737    /**
738     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
739     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
740     * if the system failed to install the package because the user is restricted from installing
741     * apps.
742     * @hide
743     */
744    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
745
746    /**
747     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
748     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
749     * if the system failed to install the package because it is attempting to define a
750     * permission that is already defined by some existing package.
751     *
752     * <p>The package name of the app which has already defined the permission is passed to
753     * a {@link IPackageInstallObserver2}, if any, as the {@link #EXTRA_EXISTING_PACKAGE}
754     * string extra; and the name of the permission being redefined is passed in the
755     * {@link #EXTRA_EXISTING_PERMISSION} string extra.
756     * @hide
757     */
758    public static final int INSTALL_FAILED_DUPLICATE_PERMISSION = -112;
759
760    /**
761     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
762     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
763     * if the system failed to install the package because its packaged native code did not
764     * match any of the ABIs supported by the system.
765     *
766     * @hide
767     */
768    public static final int INSTALL_FAILED_NO_MATCHING_ABIS = -113;
769
770    /**
771     * Internal return code for NativeLibraryHelper methods to indicate that the package
772     * being processed did not contain any native code. This is placed here only so that
773     * it can belong to the same value space as the other install failure codes.
774     *
775     * @hide
776     */
777    public static final int NO_NATIVE_LIBRARIES = -114;
778
779    /**
780     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
781     * package's data directory.
782     *
783     * @hide
784     */
785    public static final int DELETE_KEEP_DATA = 0x00000001;
786
787    /**
788     * Flag parameter for {@link #deletePackage} to indicate that you want the
789     * package deleted for all users.
790     *
791     * @hide
792     */
793    public static final int DELETE_ALL_USERS = 0x00000002;
794
795    /**
796     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
797     * uninstall on a system that has been updated, then don't do the normal process
798     * of uninstalling the update and rolling back to the older system version (which
799     * needs to happen for all users); instead, just mark the app as uninstalled for
800     * the current user.
801     *
802     * @hide
803     */
804    public static final int DELETE_SYSTEM_APP = 0x00000004;
805
806    /**
807     * Return code for when package deletion succeeds. This is passed to the
808     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
809     * succeeded in deleting the package.
810     *
811     * @hide
812     */
813    public static final int DELETE_SUCCEEDED = 1;
814
815    /**
816     * Deletion failed return code: this is passed to the
817     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
818     * failed to delete the package for an unspecified reason.
819     *
820     * @hide
821     */
822    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
823
824    /**
825     * Deletion failed return code: this is passed to the
826     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
827     * failed to delete the package because it is the active DevicePolicy
828     * manager.
829     *
830     * @hide
831     */
832    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
833
834    /**
835     * Deletion failed return code: this is passed to the
836     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
837     * failed to delete the package since the user is restricted.
838     *
839     * @hide
840     */
841    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
842
843    /**
844     * Deletion failed return code: this is returned from the PackageInstaller
845     * activity if it failed to delete a package because the a profile
846     * or device owner has marked the package as uninstallable.
847     *
848     * @hide
849     */
850    public static final int DELETE_FAILED_OWNER_BLOCKED= -4;
851
852    /**
853     * Return code that is passed to the {@link IPackageMoveObserver} by
854     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
855     * package has been successfully moved by the system.
856     *
857     * @hide
858     */
859    public static final int MOVE_SUCCEEDED = 1;
860    /**
861     * Error code that is passed to the {@link IPackageMoveObserver} by
862     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
863     * when the package hasn't been successfully moved by the system
864     * because of insufficient memory on specified media.
865     * @hide
866     */
867    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
868
869    /**
870     * Error code that is passed to the {@link IPackageMoveObserver} by
871     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
872     * if the specified package doesn't exist.
873     * @hide
874     */
875    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
876
877    /**
878     * Error code that is passed to the {@link IPackageMoveObserver} by
879     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
880     * if the specified package cannot be moved since its a system package.
881     * @hide
882     */
883    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
884
885    /**
886     * Error code that is passed to the {@link IPackageMoveObserver} by
887     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
888     * if the specified package cannot be moved since its forward locked.
889     * @hide
890     */
891    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
892
893    /**
894     * Error code that is passed to the {@link IPackageMoveObserver} by
895     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
896     * if the specified package cannot be moved to the specified location.
897     * @hide
898     */
899    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
900
901    /**
902     * Error code that is passed to the {@link IPackageMoveObserver} by
903     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
904     * if the specified package cannot be moved to the specified location.
905     * @hide
906     */
907    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
908
909    /**
910     * Error code that is passed to the {@link IPackageMoveObserver} by
911     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
912     * specified package already has an operation pending in the
913     * {@link PackageHandler} queue.
914     *
915     * @hide
916     */
917    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
918
919    /**
920     * Flag parameter for {@link #movePackage} to indicate that
921     * the package should be moved to internal storage if its
922     * been installed on external media.
923     * @hide
924     */
925    public static final int MOVE_INTERNAL = 0x00000001;
926
927    /**
928     * Flag parameter for {@link #movePackage} to indicate that
929     * the package should be moved to external media.
930     * @hide
931     */
932    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
933
934    /**
935     * Usable by the required verifier as the {@code verificationCode} argument
936     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
937     * allow the installation to proceed without any of the optional verifiers
938     * needing to vote.
939     *
940     * @hide
941     */
942    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
943
944    /**
945     * Used as the {@code verificationCode} argument for
946     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
947     * package verifier allows the installation to proceed.
948     */
949    public static final int VERIFICATION_ALLOW = 1;
950
951    /**
952     * Used as the {@code verificationCode} argument for
953     * {@link PackageManager#verifyPendingInstall} to indicate the calling
954     * package verifier does not vote to allow the installation to proceed.
955     */
956    public static final int VERIFICATION_REJECT = -1;
957
958    /**
959     * Can be used as the {@code millisecondsToDelay} argument for
960     * {@link PackageManager#extendVerificationTimeout}. This is the
961     * maximum time {@code PackageManager} waits for the verification
962     * agent to return (in milliseconds).
963     */
964    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
965
966    /**
967     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
968     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
969     * lag in sound input or output.
970     */
971    @SdkConstant(SdkConstantType.FEATURE)
972    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
973
974    /**
975     * Feature for {@link #getSystemAvailableFeatures} and
976     * {@link #hasSystemFeature}: The device is capable of communicating with
977     * other devices via Bluetooth.
978     */
979    @SdkConstant(SdkConstantType.FEATURE)
980    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
981
982    /**
983     * Feature for {@link #getSystemAvailableFeatures} and
984     * {@link #hasSystemFeature}: The device is capable of communicating with
985     * other devices via Bluetooth Low Energy radio.
986     */
987    @SdkConstant(SdkConstantType.FEATURE)
988    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
989
990    /**
991     * Feature for {@link #getSystemAvailableFeatures} and
992     * {@link #hasSystemFeature}: The device has a camera facing away
993     * from the screen.
994     */
995    @SdkConstant(SdkConstantType.FEATURE)
996    public static final String FEATURE_CAMERA = "android.hardware.camera";
997
998    /**
999     * Feature for {@link #getSystemAvailableFeatures} and
1000     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
1001     */
1002    @SdkConstant(SdkConstantType.FEATURE)
1003    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
1004
1005    /**
1006     * Feature for {@link #getSystemAvailableFeatures} and
1007     * {@link #hasSystemFeature}: The device has at least one camera pointing in
1008     * some direction, or can support an external camera being connected to it.
1009     */
1010    @SdkConstant(SdkConstantType.FEATURE)
1011    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
1012
1013    /**
1014     * Feature for {@link #getSystemAvailableFeatures} and
1015     * {@link #hasSystemFeature}: The device can support having an external camera connected to it.
1016     * The external camera may not always be connected or available to applications to use.
1017     */
1018    @SdkConstant(SdkConstantType.FEATURE)
1019    public static final String FEATURE_CAMERA_EXTERNAL = "android.hardware.camera.external";
1020
1021    /**
1022     * Feature for {@link #getSystemAvailableFeatures} and
1023     * {@link #hasSystemFeature}: The device's camera supports flash.
1024     */
1025    @SdkConstant(SdkConstantType.FEATURE)
1026    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
1027
1028    /**
1029     * Feature for {@link #getSystemAvailableFeatures} and
1030     * {@link #hasSystemFeature}: The device has a front facing camera.
1031     */
1032    @SdkConstant(SdkConstantType.FEATURE)
1033    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
1034
1035    /**
1036     * Feature for {@link #getSystemAvailableFeatures} and
1037     * {@link #hasSystemFeature}: The device is capable of communicating with
1038     * consumer IR devices.
1039     */
1040    @SdkConstant(SdkConstantType.FEATURE)
1041    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
1042
1043    /**
1044     * Feature for {@link #getSystemAvailableFeatures} and
1045     * {@link #hasSystemFeature}: The device supports one or more methods of
1046     * reporting current location.
1047     */
1048    @SdkConstant(SdkConstantType.FEATURE)
1049    public static final String FEATURE_LOCATION = "android.hardware.location";
1050
1051    /**
1052     * Feature for {@link #getSystemAvailableFeatures} and
1053     * {@link #hasSystemFeature}: The device has a Global Positioning System
1054     * receiver and can report precise location.
1055     */
1056    @SdkConstant(SdkConstantType.FEATURE)
1057    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
1058
1059    /**
1060     * Feature for {@link #getSystemAvailableFeatures} and
1061     * {@link #hasSystemFeature}: The device can report location with coarse
1062     * accuracy using a network-based geolocation system.
1063     */
1064    @SdkConstant(SdkConstantType.FEATURE)
1065    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
1066
1067    /**
1068     * Feature for {@link #getSystemAvailableFeatures} and
1069     * {@link #hasSystemFeature}: The device can record audio via a
1070     * microphone.
1071     */
1072    @SdkConstant(SdkConstantType.FEATURE)
1073    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
1074
1075    /**
1076     * Feature for {@link #getSystemAvailableFeatures} and
1077     * {@link #hasSystemFeature}: The device can communicate using Near-Field
1078     * Communications (NFC).
1079     */
1080    @SdkConstant(SdkConstantType.FEATURE)
1081    public static final String FEATURE_NFC = "android.hardware.nfc";
1082
1083    /**
1084     * Feature for {@link #getSystemAvailableFeatures} and
1085     * {@link #hasSystemFeature}: The device supports host-
1086     * based NFC card emulation.
1087     *
1088     * TODO remove when depending apps have moved to new constant.
1089     * @hide
1090     * @deprecated
1091     */
1092    @Deprecated
1093    @SdkConstant(SdkConstantType.FEATURE)
1094    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
1095
1096    /**
1097     * Feature for {@link #getSystemAvailableFeatures} and
1098     * {@link #hasSystemFeature}: The device supports host-
1099     * based NFC card emulation.
1100     */
1101    @SdkConstant(SdkConstantType.FEATURE)
1102    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1103
1104    /**
1105     * Feature for {@link #getSystemAvailableFeatures} and
1106     * {@link #hasSystemFeature}: The device includes an accelerometer.
1107     */
1108    @SdkConstant(SdkConstantType.FEATURE)
1109    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1110
1111    /**
1112     * Feature for {@link #getSystemAvailableFeatures} and
1113     * {@link #hasSystemFeature}: The device includes a barometer (air
1114     * pressure sensor.)
1115     */
1116    @SdkConstant(SdkConstantType.FEATURE)
1117    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1118
1119    /**
1120     * Feature for {@link #getSystemAvailableFeatures} and
1121     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1122     */
1123    @SdkConstant(SdkConstantType.FEATURE)
1124    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1125
1126    /**
1127     * Feature for {@link #getSystemAvailableFeatures} and
1128     * {@link #hasSystemFeature}: The device includes a gyroscope.
1129     */
1130    @SdkConstant(SdkConstantType.FEATURE)
1131    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1132
1133    /**
1134     * Feature for {@link #getSystemAvailableFeatures} and
1135     * {@link #hasSystemFeature}: The device includes a light sensor.
1136     */
1137    @SdkConstant(SdkConstantType.FEATURE)
1138    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1139
1140    /**
1141     * Feature for {@link #getSystemAvailableFeatures} and
1142     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1143     */
1144    @SdkConstant(SdkConstantType.FEATURE)
1145    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1146
1147    /**
1148     * Feature for {@link #getSystemAvailableFeatures} and
1149     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1150     */
1151    @SdkConstant(SdkConstantType.FEATURE)
1152    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1153
1154    /**
1155     * Feature for {@link #getSystemAvailableFeatures} and
1156     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1157     */
1158    @SdkConstant(SdkConstantType.FEATURE)
1159    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1160
1161    /**
1162     * Feature for {@link #getSystemAvailableFeatures} and
1163     * {@link #hasSystemFeature}: The device includes a heart rate monitor.
1164     */
1165    @SdkConstant(SdkConstantType.FEATURE)
1166    public static final String FEATURE_SENSOR_HEART_RATE = "android.hardware.sensor.heartrate";
1167
1168    /**
1169     * Feature for {@link #getSystemAvailableFeatures} and
1170     * {@link #hasSystemFeature}: The device has a telephony radio with data
1171     * communication support.
1172     */
1173    @SdkConstant(SdkConstantType.FEATURE)
1174    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1175
1176    /**
1177     * Feature for {@link #getSystemAvailableFeatures} and
1178     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1179     */
1180    @SdkConstant(SdkConstantType.FEATURE)
1181    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1182
1183    /**
1184     * Feature for {@link #getSystemAvailableFeatures} and
1185     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1186     */
1187    @SdkConstant(SdkConstantType.FEATURE)
1188    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1189
1190    /**
1191     * Feature for {@link #getSystemAvailableFeatures} and
1192     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1193     * as the USB host.
1194     */
1195    @SdkConstant(SdkConstantType.FEATURE)
1196    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1197
1198    /**
1199     * Feature for {@link #getSystemAvailableFeatures} and
1200     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1201     */
1202    @SdkConstant(SdkConstantType.FEATURE)
1203    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1204
1205    /**
1206     * Feature for {@link #getSystemAvailableFeatures} and
1207     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1208     */
1209    @SdkConstant(SdkConstantType.FEATURE)
1210    public static final String FEATURE_SIP = "android.software.sip";
1211
1212    /**
1213     * Feature for {@link #getSystemAvailableFeatures} and
1214     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1215     */
1216    @SdkConstant(SdkConstantType.FEATURE)
1217    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1218
1219    /**
1220     * Feature for {@link #getSystemAvailableFeatures} and
1221     * {@link #hasSystemFeature}: The device's display has a touch screen.
1222     */
1223    @SdkConstant(SdkConstantType.FEATURE)
1224    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1225
1226
1227    /**
1228     * Feature for {@link #getSystemAvailableFeatures} and
1229     * {@link #hasSystemFeature}: The device's touch screen supports
1230     * multitouch sufficient for basic two-finger gesture detection.
1231     */
1232    @SdkConstant(SdkConstantType.FEATURE)
1233    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1234
1235    /**
1236     * Feature for {@link #getSystemAvailableFeatures} and
1237     * {@link #hasSystemFeature}: The device's touch screen is capable of
1238     * tracking two or more fingers fully independently.
1239     */
1240    @SdkConstant(SdkConstantType.FEATURE)
1241    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1242
1243    /**
1244     * Feature for {@link #getSystemAvailableFeatures} and
1245     * {@link #hasSystemFeature}: The device's touch screen is capable of
1246     * tracking a full hand of fingers fully independently -- that is, 5 or
1247     * more simultaneous independent pointers.
1248     */
1249    @SdkConstant(SdkConstantType.FEATURE)
1250    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1251
1252    /**
1253     * Feature for {@link #getSystemAvailableFeatures} and
1254     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1255     * does support touch emulation for basic events. For instance, the
1256     * device might use a mouse or remote control to drive a cursor, and
1257     * emulate basic touch pointer events like down, up, drag, etc. All
1258     * devices that support android.hardware.touchscreen or a sub-feature are
1259     * presumed to also support faketouch.
1260     */
1261    @SdkConstant(SdkConstantType.FEATURE)
1262    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1263
1264    /**
1265     * Feature for {@link #getSystemAvailableFeatures} and
1266     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1267     * does support touch emulation for basic events that supports distinct
1268     * tracking of two or more fingers.  This is an extension of
1269     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1270     * that unlike a distinct multitouch screen as defined by
1271     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1272     * devices will not actually provide full two-finger gestures since the
1273     * input is being transformed to cursor movement on the screen.  That is,
1274     * single finger gestures will move a cursor; two-finger swipes will
1275     * result in single-finger touch events; other two-finger gestures will
1276     * result in the corresponding two-finger touch event.
1277     */
1278    @SdkConstant(SdkConstantType.FEATURE)
1279    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1280
1281    /**
1282     * Feature for {@link #getSystemAvailableFeatures} and
1283     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1284     * does support touch emulation for basic events that supports tracking
1285     * a hand of fingers (5 or more fingers) fully independently.
1286     * This is an extension of
1287     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1288     * that unlike a multitouch screen as defined by
1289     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1290     * gestures can be detected due to the limitations described for
1291     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1292     */
1293    @SdkConstant(SdkConstantType.FEATURE)
1294    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1295
1296    /**
1297     * Feature for {@link #getSystemAvailableFeatures} and
1298     * {@link #hasSystemFeature}: The device supports portrait orientation
1299     * screens.  For backwards compatibility, you can assume that if neither
1300     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1301     * both portrait and landscape.
1302     */
1303    @SdkConstant(SdkConstantType.FEATURE)
1304    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1305
1306    /**
1307     * Feature for {@link #getSystemAvailableFeatures} and
1308     * {@link #hasSystemFeature}: The device supports landscape orientation
1309     * screens.  For backwards compatibility, you can assume that if neither
1310     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1311     * both portrait and landscape.
1312     */
1313    @SdkConstant(SdkConstantType.FEATURE)
1314    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1315
1316    /**
1317     * Feature for {@link #getSystemAvailableFeatures} and
1318     * {@link #hasSystemFeature}: The device supports live wallpapers.
1319     */
1320    @SdkConstant(SdkConstantType.FEATURE)
1321    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1322    /**
1323     * Feature for {@link #getSystemAvailableFeatures} and
1324     * {@link #hasSystemFeature}: The device supports app widgets.
1325     */
1326    @SdkConstant(SdkConstantType.FEATURE)
1327    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1328
1329    /**
1330     * @hide
1331     * Feature for {@link #getSystemAvailableFeatures} and
1332     * {@link #hasSystemFeature}: The device supports
1333     * {@link android.service.voice.VoiceInteractionService} and
1334     * {@link android.app.VoiceInteractor}.
1335     */
1336    @SdkConstant(SdkConstantType.FEATURE)
1337    public static final String FEATURE_VOICE_RECOGNIZERS = "android.software.voice_recognizers";
1338
1339
1340    /**
1341     * Feature for {@link #getSystemAvailableFeatures} and
1342     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1343     * by third party applications.
1344     */
1345    @SdkConstant(SdkConstantType.FEATURE)
1346    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1347
1348    /**
1349     * Feature for {@link #getSystemAvailableFeatures} and
1350     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1351     * with the {@link android.inputmethodservice.InputMethodService} API.
1352     */
1353    @SdkConstant(SdkConstantType.FEATURE)
1354    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1355
1356    /**
1357     * Feature for {@link #getSystemAvailableFeatures} and
1358     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1359     */
1360    @SdkConstant(SdkConstantType.FEATURE)
1361    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1362
1363    /**
1364     * Feature for {@link #getSystemAvailableFeatures} and
1365     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1366     * typically used in a living room television experience, but is a software
1367     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1368     * feature will use resources associated with the "television" UI mode.
1369     */
1370    @SdkConstant(SdkConstantType.FEATURE)
1371    public static final String FEATURE_LEANBACK = "android.software.leanback";
1372
1373    /**
1374     * Feature for {@link #getSystemAvailableFeatures} and
1375     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1376     * applications designed for this experience should be run, though this is
1377     * not enforced by the system.
1378     * @hide
1379     */
1380    @SdkConstant(SdkConstantType.FEATURE)
1381    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1382
1383    /**
1384     * Feature for {@link #getSystemAvailableFeatures} and
1385     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1386     */
1387    @SdkConstant(SdkConstantType.FEATURE)
1388    public static final String FEATURE_WIFI = "android.hardware.wifi";
1389
1390    /**
1391     * Feature for {@link #getSystemAvailableFeatures} and
1392     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1393     */
1394    @SdkConstant(SdkConstantType.FEATURE)
1395    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1396
1397    /**
1398     * Feature for {@link #getSystemAvailableFeatures} and
1399     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1400     * on a television.  Television here is defined to be a typical living
1401     * room television experience: displayed on a big screen, where the user
1402     * is sitting far away from it, and the dominant form of input will be
1403     * something like a DPAD, not through touch or mouse.
1404     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1405     */
1406    @Deprecated
1407    @SdkConstant(SdkConstantType.FEATURE)
1408    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1409
1410    /**
1411     * Feature for {@link #getSystemAvailableFeatures} and
1412     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1413     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1414     * the wrist. The user is very close when interacting with the device.
1415     */
1416    @SdkConstant(SdkConstantType.FEATURE)
1417    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1418
1419    /**
1420     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1421     * The device supports printing.
1422     */
1423    @SdkConstant(SdkConstantType.FEATURE)
1424    public static final String FEATURE_PRINTING = "android.software.print";
1425
1426    /**
1427     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1428     * The device can perform backup and restore operations on installed applications.
1429     */
1430    @SdkConstant(SdkConstantType.FEATURE)
1431    public static final String FEATURE_BACKUP = "android.software.backup";
1432
1433    /**
1434     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1435     * The device supports managed profiles for enterprise users.
1436     */
1437    @SdkConstant(SdkConstantType.FEATURE)
1438    public static final String FEATURE_MANAGED_PROFILES = "android.software.managed_profiles";
1439
1440    /**
1441     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1442     * The device has a full implementation of the android.webkit.* APIs. Devices
1443     * lacking this feature will not have a functioning WebView implementation.
1444     */
1445    @SdkConstant(SdkConstantType.FEATURE)
1446    public static final String FEATURE_WEBVIEW = "android.software.webview";
1447
1448    /**
1449     * Feature for {@link #getSystemAvailableFeatures} and
1450     * {@link #hasSystemFeature}: This device supports ethernet.
1451     * @hide
1452     */
1453    @SdkConstant(SdkConstantType.FEATURE)
1454    public static final String FEATURE_ETHERNET = "android.hardware.ethernet";
1455
1456    /**
1457     * Action to external storage service to clean out removed apps.
1458     * @hide
1459     */
1460    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1461            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1462
1463    /**
1464     * Extra field name for the URI to a verification file. Passed to a package
1465     * verifier.
1466     *
1467     * @hide
1468     */
1469    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1470
1471    /**
1472     * Extra field name for the ID of a package pending verification. Passed to
1473     * a package verifier and is used to call back to
1474     * {@link PackageManager#verifyPendingInstall(int, int)}
1475     */
1476    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1477
1478    /**
1479     * Extra field name for the package identifier which is trying to install
1480     * the package.
1481     *
1482     * @hide
1483     */
1484    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1485            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1486
1487    /**
1488     * Extra field name for the requested install flags for a package pending
1489     * verification. Passed to a package verifier.
1490     *
1491     * @hide
1492     */
1493    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1494            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1495
1496    /**
1497     * Extra field name for the uid of who is requesting to install
1498     * the package.
1499     *
1500     * @hide
1501     */
1502    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1503            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1504
1505    /**
1506     * Extra field name for the package name of a package pending verification.
1507     *
1508     * @hide
1509     */
1510    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1511            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1512    /**
1513     * Extra field name for the result of a verification, either
1514     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1515     * Passed to package verifiers after a package is verified.
1516     */
1517    public static final String EXTRA_VERIFICATION_RESULT
1518            = "android.content.pm.extra.VERIFICATION_RESULT";
1519
1520    /**
1521     * Extra field name for the version code of a package pending verification.
1522     *
1523     * @hide
1524     */
1525    public static final String EXTRA_VERIFICATION_VERSION_CODE
1526            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1527
1528    /**
1529     * The action used to request that the user approve a permission request
1530     * from the application.
1531     *
1532     * @hide
1533     */
1534    public static final String ACTION_REQUEST_PERMISSION
1535            = "android.content.pm.action.REQUEST_PERMISSION";
1536
1537    /**
1538     * Extra field name for the list of permissions, which the user must approve.
1539     *
1540     * @hide
1541     */
1542    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1543            = "android.content.pm.extra.PERMISSION_LIST";
1544
1545    /**
1546     * String extra for {@link IPackageInstallObserver2} in the 'extras' Bundle in case of
1547     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the package which provides
1548     * the existing definition for the permission.
1549     * @hide
1550     */
1551    public static final String EXTRA_FAILURE_EXISTING_PACKAGE
1552            = "android.content.pm.extra.FAILURE_EXISTING_PACKAGE";
1553
1554    /**
1555     * String extra for {@link IPackageInstallObserver2} in the 'extras' Bundle in case of
1556     * {@link #INSTALL_FAILED_DUPLICATE_PERMISSION}.  This extra names the permission that is
1557     * being redundantly defined by the package being installed.
1558     * @hide
1559     */
1560    public static final String EXTRA_FAILURE_EXISTING_PERMISSION
1561            = "android.content.pm.extra.FAILURE_EXISTING_PERMISSION";
1562
1563    /**
1564     * Retrieve overall information about an application package that is
1565     * installed on the system.
1566     * <p>
1567     * Throws {@link NameNotFoundException} if a package with the given name can
1568     * not be found on the system.
1569     *
1570     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1571     *            desired package.
1572     * @param flags Additional option flags. Use any combination of
1573     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1574     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1575     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1576     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1577     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1578     *            modify the data returned.
1579     * @return Returns a PackageInfo object containing information about the
1580     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1581     *         package is not found in the list of installed applications, the
1582     *         package information is retrieved from the list of uninstalled
1583     *         applications (which includes installed applications as well as
1584     *         applications with data directory i.e. applications which had been
1585     *         deleted with {@code DONT_DELETE_DATA} flag set).
1586     * @see #GET_ACTIVITIES
1587     * @see #GET_GIDS
1588     * @see #GET_CONFIGURATIONS
1589     * @see #GET_INSTRUMENTATION
1590     * @see #GET_PERMISSIONS
1591     * @see #GET_PROVIDERS
1592     * @see #GET_RECEIVERS
1593     * @see #GET_SERVICES
1594     * @see #GET_SIGNATURES
1595     * @see #GET_UNINSTALLED_PACKAGES
1596     */
1597    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1598            throws NameNotFoundException;
1599
1600    /**
1601     * Map from the current package names in use on the device to whatever
1602     * the current canonical name of that package is.
1603     * @param names Array of current names to be mapped.
1604     * @return Returns an array of the same size as the original, containing
1605     * the canonical name for each package.
1606     */
1607    public abstract String[] currentToCanonicalPackageNames(String[] names);
1608
1609    /**
1610     * Map from a packages canonical name to the current name in use on the device.
1611     * @param names Array of new names to be mapped.
1612     * @return Returns an array of the same size as the original, containing
1613     * the current name for each package.
1614     */
1615    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1616
1617    /**
1618     * Return a "good" intent to launch a front-door activity in a package,
1619     * for use for example to implement an "open" button when browsing through
1620     * packages.  The current implementation will look first for a main
1621     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1622     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1623     * null if neither are found.
1624     *
1625     * <p>Throws {@link NameNotFoundException} if a package with the given
1626     * name cannot be found on the system.
1627     *
1628     * @param packageName The name of the package to inspect.
1629     *
1630     * @return Returns either a fully-qualified Intent that can be used to
1631     * launch the main activity in the package, or null if the package does
1632     * not contain such an activity.
1633     */
1634    public abstract Intent getLaunchIntentForPackage(String packageName);
1635
1636    /**
1637     * Return a "good" intent to launch a front-door Leanback activity in a
1638     * package, for use for example to implement an "open" button when browsing
1639     * through packages. The current implementation will look for a main
1640     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1641     * return null if no main leanback activities are found.
1642     * <p>
1643     * Throws {@link NameNotFoundException} if a package with the given name
1644     * cannot be found on the system.
1645     *
1646     * @param packageName The name of the package to inspect.
1647     * @return Returns either a fully-qualified Intent that can be used to launch
1648     *         the main Leanback activity in the package, or null if the package
1649     *         does not contain such an activity.
1650     */
1651    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1652
1653    /**
1654     * Return an array of all of the secondary group-ids that have been assigned
1655     * to a package.
1656     * <p>
1657     * Throws {@link NameNotFoundException} if a package with the given name
1658     * cannot be found on the system.
1659     *
1660     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1661     *            desired package.
1662     * @return Returns an int array of the assigned gids, or null if there are
1663     *         none.
1664     */
1665    public abstract int[] getPackageGids(String packageName)
1666            throws NameNotFoundException;
1667
1668    /**
1669     * @hide Return the uid associated with the given package name for the
1670     * given user.
1671     *
1672     * <p>Throws {@link NameNotFoundException} if a package with the given
1673     * name can not be found on the system.
1674     *
1675     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1676     *                    desired package.
1677     * @param userHandle The user handle identifier to look up the package under.
1678     *
1679     * @return Returns an integer uid who owns the given package name.
1680     */
1681    public abstract int getPackageUid(String packageName, int userHandle)
1682            throws NameNotFoundException;
1683
1684    /**
1685     * Retrieve all of the information we know about a particular permission.
1686     *
1687     * <p>Throws {@link NameNotFoundException} if a permission with the given
1688     * name cannot be found on the system.
1689     *
1690     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1691     *             of the permission you are interested in.
1692     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1693     * retrieve any meta-data associated with the permission.
1694     *
1695     * @return Returns a {@link PermissionInfo} containing information about the
1696     *         permission.
1697     */
1698    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1699            throws NameNotFoundException;
1700
1701    /**
1702     * Query for all of the permissions associated with a particular group.
1703     *
1704     * <p>Throws {@link NameNotFoundException} if the given group does not
1705     * exist.
1706     *
1707     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1708     *             of the permission group you are interested in.  Use null to
1709     *             find all of the permissions not associated with a group.
1710     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1711     * retrieve any meta-data associated with the permissions.
1712     *
1713     * @return Returns a list of {@link PermissionInfo} containing information
1714     * about all of the permissions in the given group.
1715     */
1716    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1717            int flags) throws NameNotFoundException;
1718
1719    /**
1720     * Retrieve all of the information we know about a particular group of
1721     * permissions.
1722     *
1723     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1724     * name cannot be found on the system.
1725     *
1726     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1727     *             of the permission you are interested in.
1728     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1729     * retrieve any meta-data associated with the permission group.
1730     *
1731     * @return Returns a {@link PermissionGroupInfo} containing information
1732     * about the permission.
1733     */
1734    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1735            int flags) throws NameNotFoundException;
1736
1737    /**
1738     * Retrieve all of the known permission groups in the system.
1739     *
1740     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1741     * retrieve any meta-data associated with the permission group.
1742     *
1743     * @return Returns a list of {@link PermissionGroupInfo} containing
1744     * information about all of the known permission groups.
1745     */
1746    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1747
1748    /**
1749     * Retrieve all of the information we know about a particular
1750     * package/application.
1751     *
1752     * <p>Throws {@link NameNotFoundException} if an application with the given
1753     * package name cannot be found on the system.
1754     *
1755     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1756     *                    application.
1757     * @param flags Additional option flags. Use any combination of
1758     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1759     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1760     *
1761     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1762     *         information about the package.
1763     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1764     *         found in the list of installed applications,
1765     *         the application information is retrieved from the
1766     *         list of uninstalled applications(which includes
1767     *         installed applications as well as applications
1768     *         with data directory ie applications which had been
1769     *         deleted with {@code DONT_DELETE_DATA} flag set).
1770     *
1771     * @see #GET_META_DATA
1772     * @see #GET_SHARED_LIBRARY_FILES
1773     * @see #GET_UNINSTALLED_PACKAGES
1774     */
1775    public abstract ApplicationInfo getApplicationInfo(String packageName,
1776            int flags) throws NameNotFoundException;
1777
1778    /**
1779     * Retrieve all of the information we know about a particular activity
1780     * class.
1781     *
1782     * <p>Throws {@link NameNotFoundException} if an activity with the given
1783     * class name cannot be found on the system.
1784     *
1785     * @param component The full component name (i.e.
1786     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1787     * class.
1788     * @param flags Additional option flags. Use any combination of
1789     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1790     * to modify the data (in ApplicationInfo) returned.
1791     *
1792     * @return {@link ActivityInfo} containing information about the activity.
1793     *
1794     * @see #GET_INTENT_FILTERS
1795     * @see #GET_META_DATA
1796     * @see #GET_SHARED_LIBRARY_FILES
1797     */
1798    public abstract ActivityInfo getActivityInfo(ComponentName component,
1799            int flags) throws NameNotFoundException;
1800
1801    /**
1802     * Retrieve all of the information we know about a particular receiver
1803     * class.
1804     *
1805     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1806     * class name cannot be found on the system.
1807     *
1808     * @param component The full component name (i.e.
1809     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1810     * class.
1811     * @param flags Additional option flags.  Use any combination of
1812     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1813     * to modify the data returned.
1814     *
1815     * @return {@link ActivityInfo} containing information about the receiver.
1816     *
1817     * @see #GET_INTENT_FILTERS
1818     * @see #GET_META_DATA
1819     * @see #GET_SHARED_LIBRARY_FILES
1820     */
1821    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1822            int flags) throws NameNotFoundException;
1823
1824    /**
1825     * Retrieve all of the information we know about a particular service
1826     * class.
1827     *
1828     * <p>Throws {@link NameNotFoundException} if a service with the given
1829     * class name cannot be found on the system.
1830     *
1831     * @param component The full component name (i.e.
1832     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1833     * class.
1834     * @param flags Additional option flags.  Use any combination of
1835     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1836     * to modify the data returned.
1837     *
1838     * @return ServiceInfo containing information about the service.
1839     *
1840     * @see #GET_META_DATA
1841     * @see #GET_SHARED_LIBRARY_FILES
1842     */
1843    public abstract ServiceInfo getServiceInfo(ComponentName component,
1844            int flags) throws NameNotFoundException;
1845
1846    /**
1847     * Retrieve all of the information we know about a particular content
1848     * provider class.
1849     *
1850     * <p>Throws {@link NameNotFoundException} if a provider with the given
1851     * class name cannot be found on the system.
1852     *
1853     * @param component The full component name (i.e.
1854     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1855     * ContentProvider class.
1856     * @param flags Additional option flags.  Use any combination of
1857     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1858     * to modify the data returned.
1859     *
1860     * @return ProviderInfo containing information about the service.
1861     *
1862     * @see #GET_META_DATA
1863     * @see #GET_SHARED_LIBRARY_FILES
1864     */
1865    public abstract ProviderInfo getProviderInfo(ComponentName component,
1866            int flags) throws NameNotFoundException;
1867
1868    /**
1869     * Return a List of all packages that are installed
1870     * on the device.
1871     *
1872     * @param flags Additional option flags. Use any combination of
1873     * {@link #GET_ACTIVITIES},
1874     * {@link #GET_GIDS},
1875     * {@link #GET_CONFIGURATIONS},
1876     * {@link #GET_INSTRUMENTATION},
1877     * {@link #GET_PERMISSIONS},
1878     * {@link #GET_PROVIDERS},
1879     * {@link #GET_RECEIVERS},
1880     * {@link #GET_SERVICES},
1881     * {@link #GET_SIGNATURES},
1882     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1883     *
1884     * @return A List of PackageInfo objects, one for each package that is
1885     *         installed on the device.  In the unlikely case of there being no
1886     *         installed packages, an empty list is returned.
1887     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1888     *         applications including those deleted with {@code DONT_DELETE_DATA}
1889     *         (partially installed apps with data directory) will be returned.
1890     *
1891     * @see #GET_ACTIVITIES
1892     * @see #GET_GIDS
1893     * @see #GET_CONFIGURATIONS
1894     * @see #GET_INSTRUMENTATION
1895     * @see #GET_PERMISSIONS
1896     * @see #GET_PROVIDERS
1897     * @see #GET_RECEIVERS
1898     * @see #GET_SERVICES
1899     * @see #GET_SIGNATURES
1900     * @see #GET_UNINSTALLED_PACKAGES
1901     */
1902    public abstract List<PackageInfo> getInstalledPackages(int flags);
1903
1904    /**
1905     * Return a List of all installed packages that are currently
1906     * holding any of the given permissions.
1907     *
1908     * @param flags Additional option flags. Use any combination of
1909     * {@link #GET_ACTIVITIES},
1910     * {@link #GET_GIDS},
1911     * {@link #GET_CONFIGURATIONS},
1912     * {@link #GET_INSTRUMENTATION},
1913     * {@link #GET_PERMISSIONS},
1914     * {@link #GET_PROVIDERS},
1915     * {@link #GET_RECEIVERS},
1916     * {@link #GET_SERVICES},
1917     * {@link #GET_SIGNATURES},
1918     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1919     *
1920     * @return Returns a List of PackageInfo objects, one for each installed
1921     * application that is holding any of the permissions that were provided.
1922     *
1923     * @see #GET_ACTIVITIES
1924     * @see #GET_GIDS
1925     * @see #GET_CONFIGURATIONS
1926     * @see #GET_INSTRUMENTATION
1927     * @see #GET_PERMISSIONS
1928     * @see #GET_PROVIDERS
1929     * @see #GET_RECEIVERS
1930     * @see #GET_SERVICES
1931     * @see #GET_SIGNATURES
1932     * @see #GET_UNINSTALLED_PACKAGES
1933     */
1934    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1935            String[] permissions, int flags);
1936
1937    /**
1938     * Return a List of all packages that are installed on the device, for a specific user.
1939     * Requesting a list of installed packages for another user
1940     * will require the permission INTERACT_ACROSS_USERS_FULL.
1941     * @param flags Additional option flags. Use any combination of
1942     * {@link #GET_ACTIVITIES},
1943     * {@link #GET_GIDS},
1944     * {@link #GET_CONFIGURATIONS},
1945     * {@link #GET_INSTRUMENTATION},
1946     * {@link #GET_PERMISSIONS},
1947     * {@link #GET_PROVIDERS},
1948     * {@link #GET_RECEIVERS},
1949     * {@link #GET_SERVICES},
1950     * {@link #GET_SIGNATURES},
1951     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1952     * @param userId The user for whom the installed packages are to be listed
1953     *
1954     * @return A List of PackageInfo objects, one for each package that is
1955     *         installed on the device.  In the unlikely case of there being no
1956     *         installed packages, an empty list is returned.
1957     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1958     *         applications including those deleted with {@code DONT_DELETE_DATA}
1959     *         (partially installed apps with data directory) will be returned.
1960     *
1961     * @see #GET_ACTIVITIES
1962     * @see #GET_GIDS
1963     * @see #GET_CONFIGURATIONS
1964     * @see #GET_INSTRUMENTATION
1965     * @see #GET_PERMISSIONS
1966     * @see #GET_PROVIDERS
1967     * @see #GET_RECEIVERS
1968     * @see #GET_SERVICES
1969     * @see #GET_SIGNATURES
1970     * @see #GET_UNINSTALLED_PACKAGES
1971     *
1972     * @hide
1973     */
1974    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1975
1976    /**
1977     * Check whether a particular package has been granted a particular
1978     * permission.
1979     *
1980     * @param permName The name of the permission you are checking for,
1981     * @param pkgName The name of the package you are checking against.
1982     *
1983     * @return If the package has the permission, PERMISSION_GRANTED is
1984     * returned.  If it does not have the permission, PERMISSION_DENIED
1985     * is returned.
1986     *
1987     * @see #PERMISSION_GRANTED
1988     * @see #PERMISSION_DENIED
1989     */
1990    public abstract int checkPermission(String permName, String pkgName);
1991
1992    /**
1993     * Add a new dynamic permission to the system.  For this to work, your
1994     * package must have defined a permission tree through the
1995     * {@link android.R.styleable#AndroidManifestPermissionTree
1996     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1997     * permissions to trees that were defined by either its own package or
1998     * another with the same user id; a permission is in a tree if it
1999     * matches the name of the permission tree + ".": for example,
2000     * "com.foo.bar" is a member of the permission tree "com.foo".
2001     *
2002     * <p>It is good to make your permission tree name descriptive, because you
2003     * are taking possession of that entire set of permission names.  Thus, it
2004     * must be under a domain you control, with a suffix that will not match
2005     * any normal permissions that may be declared in any applications that
2006     * are part of that domain.
2007     *
2008     * <p>New permissions must be added before
2009     * any .apks are installed that use those permissions.  Permissions you
2010     * add through this method are remembered across reboots of the device.
2011     * If the given permission already exists, the info you supply here
2012     * will be used to update it.
2013     *
2014     * @param info Description of the permission to be added.
2015     *
2016     * @return Returns true if a new permission was created, false if an
2017     * existing one was updated.
2018     *
2019     * @throws SecurityException if you are not allowed to add the
2020     * given permission name.
2021     *
2022     * @see #removePermission(String)
2023     */
2024    public abstract boolean addPermission(PermissionInfo info);
2025
2026    /**
2027     * Like {@link #addPermission(PermissionInfo)} but asynchronously
2028     * persists the package manager state after returning from the call,
2029     * allowing it to return quicker and batch a series of adds at the
2030     * expense of no guarantee the added permission will be retained if
2031     * the device is rebooted before it is written.
2032     */
2033    public abstract boolean addPermissionAsync(PermissionInfo info);
2034
2035    /**
2036     * Removes a permission that was previously added with
2037     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
2038     * -- you are only allowed to remove permissions that you are allowed
2039     * to add.
2040     *
2041     * @param name The name of the permission to remove.
2042     *
2043     * @throws SecurityException if you are not allowed to remove the
2044     * given permission name.
2045     *
2046     * @see #addPermission(PermissionInfo)
2047     */
2048    public abstract void removePermission(String name);
2049
2050    /**
2051     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
2052     * which prompts the user to grant {@code permissions} to this application.
2053     * @hide
2054     *
2055     * @throws NullPointerException if {@code permissions} is {@code null}.
2056     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
2057     */
2058    public Intent buildPermissionRequestIntent(String... permissions) {
2059        if (permissions == null) {
2060            throw new NullPointerException("permissions cannot be null");
2061        }
2062        for (String permission : permissions) {
2063            if (permission == null) {
2064                throw new IllegalArgumentException("permissions cannot contain null");
2065            }
2066        }
2067
2068        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
2069        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
2070        i.setPackage("com.android.packageinstaller");
2071        return i;
2072    }
2073
2074    /**
2075     * Grant a permission to an application which the application does not
2076     * already have.  The permission must have been requested by the application,
2077     * but as an optional permission.  If the application is not allowed to
2078     * hold the permission, a SecurityException is thrown.
2079     * @hide
2080     *
2081     * @param packageName The name of the package that the permission will be
2082     * granted to.
2083     * @param permissionName The name of the permission.
2084     */
2085    public abstract void grantPermission(String packageName, String permissionName);
2086
2087    /**
2088     * Revoke a permission that was previously granted by {@link #grantPermission}.
2089     * @hide
2090     *
2091     * @param packageName The name of the package that the permission will be
2092     * granted to.
2093     * @param permissionName The name of the permission.
2094     */
2095    public abstract void revokePermission(String packageName, String permissionName);
2096
2097    /**
2098     * Compare the signatures of two packages to determine if the same
2099     * signature appears in both of them.  If they do contain the same
2100     * signature, then they are allowed special privileges when working
2101     * with each other: they can share the same user-id, run instrumentation
2102     * against each other, etc.
2103     *
2104     * @param pkg1 First package name whose signature will be compared.
2105     * @param pkg2 Second package name whose signature will be compared.
2106     *
2107     * @return Returns an integer indicating whether all signatures on the
2108     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2109     * all signatures match or < 0 if there is not a match ({@link
2110     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2111     *
2112     * @see #checkSignatures(int, int)
2113     * @see #SIGNATURE_MATCH
2114     * @see #SIGNATURE_NO_MATCH
2115     * @see #SIGNATURE_UNKNOWN_PACKAGE
2116     */
2117    public abstract int checkSignatures(String pkg1, String pkg2);
2118
2119    /**
2120     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
2121     * the two packages to be checked.  This can be useful, for example,
2122     * when doing the check in an IPC, where the UID is the only identity
2123     * available.  It is functionally identical to determining the package
2124     * associated with the UIDs and checking their signatures.
2125     *
2126     * @param uid1 First UID whose signature will be compared.
2127     * @param uid2 Second UID whose signature will be compared.
2128     *
2129     * @return Returns an integer indicating whether all signatures on the
2130     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
2131     * all signatures match or < 0 if there is not a match ({@link
2132     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
2133     *
2134     * @see #checkSignatures(String, String)
2135     * @see #SIGNATURE_MATCH
2136     * @see #SIGNATURE_NO_MATCH
2137     * @see #SIGNATURE_UNKNOWN_PACKAGE
2138     */
2139    public abstract int checkSignatures(int uid1, int uid2);
2140
2141    /**
2142     * Retrieve the names of all packages that are associated with a particular
2143     * user id.  In most cases, this will be a single package name, the package
2144     * that has been assigned that user id.  Where there are multiple packages
2145     * sharing the same user id through the "sharedUserId" mechanism, all
2146     * packages with that id will be returned.
2147     *
2148     * @param uid The user id for which you would like to retrieve the
2149     * associated packages.
2150     *
2151     * @return Returns an array of one or more packages assigned to the user
2152     * id, or null if there are no known packages with the given id.
2153     */
2154    public abstract String[] getPackagesForUid(int uid);
2155
2156    /**
2157     * Retrieve the official name associated with a user id.  This name is
2158     * guaranteed to never change, though it is possibly for the underlying
2159     * user id to be changed.  That is, if you are storing information about
2160     * user ids in persistent storage, you should use the string returned
2161     * by this function instead of the raw user-id.
2162     *
2163     * @param uid The user id for which you would like to retrieve a name.
2164     * @return Returns a unique name for the given user id, or null if the
2165     * user id is not currently assigned.
2166     */
2167    public abstract String getNameForUid(int uid);
2168
2169    /**
2170     * Return the user id associated with a shared user name. Multiple
2171     * applications can specify a shared user name in their manifest and thus
2172     * end up using a common uid. This might be used for new applications
2173     * that use an existing shared user name and need to know the uid of the
2174     * shared user.
2175     *
2176     * @param sharedUserName The shared user name whose uid is to be retrieved.
2177     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2178     * if the shared user name is not being used by any installed packages
2179     * @hide
2180     */
2181    public abstract int getUidForSharedUser(String sharedUserName)
2182            throws NameNotFoundException;
2183
2184    /**
2185     * Return a List of all application packages that are installed on the
2186     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2187     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2188     * installed apps with data directory) will be returned.
2189     *
2190     * @param flags Additional option flags. Use any combination of
2191     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2192     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2193     *
2194     * @return Returns a List of ApplicationInfo objects, one for each application that
2195     *         is installed on the device.  In the unlikely case of there being
2196     *         no installed applications, an empty list is returned.
2197     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2198     *         applications including those deleted with {@code DONT_DELETE_DATA}
2199     *         (partially installed apps with data directory) will be returned.
2200     *
2201     * @see #GET_META_DATA
2202     * @see #GET_SHARED_LIBRARY_FILES
2203     * @see #GET_UNINSTALLED_PACKAGES
2204     */
2205    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2206
2207    /**
2208     * Get a list of shared libraries that are available on the
2209     * system.
2210     *
2211     * @return An array of shared library names that are
2212     * available on the system, or null if none are installed.
2213     *
2214     */
2215    public abstract String[] getSystemSharedLibraryNames();
2216
2217    /**
2218     * Get a list of features that are available on the
2219     * system.
2220     *
2221     * @return An array of FeatureInfo classes describing the features
2222     * that are available on the system, or null if there are none(!!).
2223     */
2224    public abstract FeatureInfo[] getSystemAvailableFeatures();
2225
2226    /**
2227     * Check whether the given feature name is one of the available
2228     * features as returned by {@link #getSystemAvailableFeatures()}.
2229     *
2230     * @return Returns true if the devices supports the feature, else
2231     * false.
2232     */
2233    public abstract boolean hasSystemFeature(String name);
2234
2235    /**
2236     * Determine the best action to perform for a given Intent.  This is how
2237     * {@link Intent#resolveActivity} finds an activity if a class has not
2238     * been explicitly specified.
2239     *
2240     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2241     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2242     * only flag.  You need to do so to resolve the activity in the same way
2243     * that {@link android.content.Context#startActivity(Intent)} and
2244     * {@link android.content.Intent#resolveActivity(PackageManager)
2245     * Intent.resolveActivity(PackageManager)} do.</p>
2246     *
2247     * @param intent An intent containing all of the desired specification
2248     *               (action, data, type, category, and/or component).
2249     * @param flags Additional option flags.  The most important is
2250     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2251     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2252     *
2253     * @return Returns a ResolveInfo containing the final activity intent that
2254     *         was determined to be the best action.  Returns null if no
2255     *         matching activity was found. If multiple matching activities are
2256     *         found and there is no default set, returns a ResolveInfo
2257     *         containing something else, such as the activity resolver.
2258     *
2259     * @see #MATCH_DEFAULT_ONLY
2260     * @see #GET_INTENT_FILTERS
2261     * @see #GET_RESOLVED_FILTER
2262     */
2263    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2264
2265    /**
2266     * Determine the best action to perform for a given Intent for a given user. This
2267     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2268     * been explicitly specified.
2269     *
2270     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2271     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2272     * only flag.  You need to do so to resolve the activity in the same way
2273     * that {@link android.content.Context#startActivity(Intent)} and
2274     * {@link android.content.Intent#resolveActivity(PackageManager)
2275     * Intent.resolveActivity(PackageManager)} do.</p>
2276     *
2277     * @param intent An intent containing all of the desired specification
2278     *               (action, data, type, category, and/or component).
2279     * @param flags Additional option flags.  The most important is
2280     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2281     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2282     * @param userId The user id.
2283     *
2284     * @return Returns a ResolveInfo containing the final activity intent that
2285     *         was determined to be the best action.  Returns null if no
2286     *         matching activity was found. If multiple matching activities are
2287     *         found and there is no default set, returns a ResolveInfo
2288     *         containing something else, such as the activity resolver.
2289     *
2290     * @see #MATCH_DEFAULT_ONLY
2291     * @see #GET_INTENT_FILTERS
2292     * @see #GET_RESOLVED_FILTER
2293     *
2294     * @hide
2295     */
2296    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2297
2298    /**
2299     * Retrieve all activities that can be performed for the given intent.
2300     *
2301     * @param intent The desired intent as per resolveActivity().
2302     * @param flags Additional option flags.  The most important is
2303     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2304     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2305     *
2306     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2307     *         Activity. These are ordered from best to worst match -- that
2308     *         is, the first item in the list is what is returned by
2309     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2310     *         list is returned.
2311     *
2312     * @see #MATCH_DEFAULT_ONLY
2313     * @see #GET_INTENT_FILTERS
2314     * @see #GET_RESOLVED_FILTER
2315     */
2316    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2317            int flags);
2318
2319    /**
2320     * Retrieve all activities that can be performed for the given intent, for a specific user.
2321     *
2322     * @param intent The desired intent as per resolveActivity().
2323     * @param flags Additional option flags.  The most important is
2324     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2325     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2326     *
2327     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2328     *         Activity. These are ordered from best to worst match -- that
2329     *         is, the first item in the list is what is returned by
2330     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2331     *         list is returned.
2332     *
2333     * @see #MATCH_DEFAULT_ONLY
2334     * @see #GET_INTENT_FILTERS
2335     * @see #GET_RESOLVED_FILTER
2336     * @see #NO_CROSS_PROFILE
2337     * @hide
2338     */
2339    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2340            int flags, int userId);
2341
2342
2343    /**
2344     * Retrieve a set of activities that should be presented to the user as
2345     * similar options.  This is like {@link #queryIntentActivities}, except it
2346     * also allows you to supply a list of more explicit Intents that you would
2347     * like to resolve to particular options, and takes care of returning the
2348     * final ResolveInfo list in a reasonable order, with no duplicates, based
2349     * on those inputs.
2350     *
2351     * @param caller The class name of the activity that is making the
2352     *               request.  This activity will never appear in the output
2353     *               list.  Can be null.
2354     * @param specifics An array of Intents that should be resolved to the
2355     *                  first specific results.  Can be null.
2356     * @param intent The desired intent as per resolveActivity().
2357     * @param flags Additional option flags.  The most important is
2358     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2359     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2360     *
2361     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2362     *         Activity. These are ordered first by all of the intents resolved
2363     *         in <var>specifics</var> and then any additional activities that
2364     *         can handle <var>intent</var> but did not get included by one of
2365     *         the <var>specifics</var> intents.  If there are no matching
2366     *         activities, an empty list is returned.
2367     *
2368     * @see #MATCH_DEFAULT_ONLY
2369     * @see #GET_INTENT_FILTERS
2370     * @see #GET_RESOLVED_FILTER
2371     */
2372    public abstract List<ResolveInfo> queryIntentActivityOptions(
2373            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2374
2375    /**
2376     * Retrieve all receivers that can handle a broadcast of the given intent.
2377     *
2378     * @param intent The desired intent as per resolveActivity().
2379     * @param flags Additional option flags.
2380     *
2381     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2382     *         Receiver. These are ordered from first to last in priority.  If
2383     *         there are no matching receivers, an empty list is returned.
2384     *
2385     * @see #MATCH_DEFAULT_ONLY
2386     * @see #GET_INTENT_FILTERS
2387     * @see #GET_RESOLVED_FILTER
2388     */
2389    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2390            int flags);
2391
2392    /**
2393     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2394     * user.
2395     *
2396     * @param intent The desired intent as per resolveActivity().
2397     * @param flags Additional option flags.
2398     * @param userId The userId of the user being queried.
2399     *
2400     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2401     *         Receiver. These are ordered from first to last in priority.  If
2402     *         there are no matching receivers, an empty list is returned.
2403     *
2404     * @see #MATCH_DEFAULT_ONLY
2405     * @see #GET_INTENT_FILTERS
2406     * @see #GET_RESOLVED_FILTER
2407     * @hide
2408     */
2409    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2410            int flags, int userId);
2411
2412    /**
2413     * Determine the best service to handle for a given Intent.
2414     *
2415     * @param intent An intent containing all of the desired specification
2416     *               (action, data, type, category, and/or component).
2417     * @param flags Additional option flags.
2418     *
2419     * @return Returns a ResolveInfo containing the final service intent that
2420     *         was determined to be the best action.  Returns null if no
2421     *         matching service was found.
2422     *
2423     * @see #GET_INTENT_FILTERS
2424     * @see #GET_RESOLVED_FILTER
2425     */
2426    public abstract ResolveInfo resolveService(Intent intent, int flags);
2427
2428    /**
2429     * Retrieve all services that can match the given intent.
2430     *
2431     * @param intent The desired intent as per resolveService().
2432     * @param flags Additional option flags.
2433     *
2434     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2435     *         ServiceInfo. These are ordered from best to worst match -- that
2436     *         is, the first item in the list is what is returned by
2437     *         resolveService().  If there are no matching services, an empty
2438     *         list is returned.
2439     *
2440     * @see #GET_INTENT_FILTERS
2441     * @see #GET_RESOLVED_FILTER
2442     */
2443    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2444            int flags);
2445
2446    /**
2447     * Retrieve all services that can match the given intent for a given user.
2448     *
2449     * @param intent The desired intent as per resolveService().
2450     * @param flags Additional option flags.
2451     * @param userId The user id.
2452     *
2453     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2454     *         ServiceInfo. These are ordered from best to worst match -- that
2455     *         is, the first item in the list is what is returned by
2456     *         resolveService().  If there are no matching services, an empty
2457     *         list is returned.
2458     *
2459     * @see #GET_INTENT_FILTERS
2460     * @see #GET_RESOLVED_FILTER
2461     *
2462     * @hide
2463     */
2464    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2465            int flags, int userId);
2466
2467    /** {@hide} */
2468    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2469            Intent intent, int flags, int userId);
2470
2471    /**
2472     * Retrieve all providers that can match the given intent.
2473     *
2474     * @param intent An intent containing all of the desired specification
2475     *            (action, data, type, category, and/or component).
2476     * @param flags Additional option flags.
2477     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2478     *         ProviderInfo. These are ordered from best to worst match. If
2479     *         there are no matching providers, an empty list is returned.
2480     * @see #GET_INTENT_FILTERS
2481     * @see #GET_RESOLVED_FILTER
2482     */
2483    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2484
2485    /**
2486     * Find a single content provider by its base path name.
2487     *
2488     * @param name The name of the provider to find.
2489     * @param flags Additional option flags.  Currently should always be 0.
2490     *
2491     * @return ContentProviderInfo Information about the provider, if found,
2492     *         else null.
2493     */
2494    public abstract ProviderInfo resolveContentProvider(String name,
2495            int flags);
2496
2497    /**
2498     * Find a single content provider by its base path name.
2499     *
2500     * @param name The name of the provider to find.
2501     * @param flags Additional option flags.  Currently should always be 0.
2502     * @param userId The user id.
2503     *
2504     * @return ContentProviderInfo Information about the provider, if found,
2505     *         else null.
2506     * @hide
2507     */
2508    public abstract ProviderInfo resolveContentProviderAsUser(String name, int flags, int userId);
2509
2510    /**
2511     * Retrieve content provider information.
2512     *
2513     * <p><em>Note: unlike most other methods, an empty result set is indicated
2514     * by a null return instead of an empty list.</em>
2515     *
2516     * @param processName If non-null, limits the returned providers to only
2517     *                    those that are hosted by the given process.  If null,
2518     *                    all content providers are returned.
2519     * @param uid If <var>processName</var> is non-null, this is the required
2520     *        uid owning the requested content providers.
2521     * @param flags Additional option flags.  Currently should always be 0.
2522     *
2523     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2524     *         content provider either patching <var>processName</var> or, if
2525     *         <var>processName</var> is null, all known content providers.
2526     *         <em>If there are no matching providers, null is returned.</em>
2527     */
2528    public abstract List<ProviderInfo> queryContentProviders(
2529            String processName, int uid, int flags);
2530
2531    /**
2532     * Retrieve all of the information we know about a particular
2533     * instrumentation class.
2534     *
2535     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2536     * given class name cannot be found on the system.
2537     *
2538     * @param className The full name (i.e.
2539     *                  com.google.apps.contacts.InstrumentList) of an
2540     *                  Instrumentation class.
2541     * @param flags Additional option flags.  Currently should always be 0.
2542     *
2543     * @return InstrumentationInfo containing information about the
2544     *         instrumentation.
2545     */
2546    public abstract InstrumentationInfo getInstrumentationInfo(
2547            ComponentName className, int flags) throws NameNotFoundException;
2548
2549    /**
2550     * Retrieve information about available instrumentation code.  May be used
2551     * to retrieve either all instrumentation code, or only the code targeting
2552     * a particular package.
2553     *
2554     * @param targetPackage If null, all instrumentation is returned; only the
2555     *                      instrumentation targeting this package name is
2556     *                      returned.
2557     * @param flags Additional option flags.  Currently should always be 0.
2558     *
2559     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2560     *         matching available Instrumentation.  Returns an empty list if
2561     *         there is no instrumentation available for the given package.
2562     */
2563    public abstract List<InstrumentationInfo> queryInstrumentation(
2564            String targetPackage, int flags);
2565
2566    /**
2567     * Retrieve an image from a package.  This is a low-level API used by
2568     * the various package manager info structures (such as
2569     * {@link ComponentInfo} to implement retrieval of their associated
2570     * icon.
2571     *
2572     * @param packageName The name of the package that this icon is coming from.
2573     * Cannot be null.
2574     * @param resid The resource identifier of the desired image.  Cannot be 0.
2575     * @param appInfo Overall information about <var>packageName</var>.  This
2576     * may be null, in which case the application information will be retrieved
2577     * for you if needed; if you already have this information around, it can
2578     * be much more efficient to supply it here.
2579     *
2580     * @return Returns a Drawable holding the requested image.  Returns null if
2581     * an image could not be found for any reason.
2582     */
2583    public abstract Drawable getDrawable(String packageName, int resid,
2584            ApplicationInfo appInfo);
2585
2586    /**
2587     * Retrieve the icon associated with an activity.  Given the full name of
2588     * an activity, retrieves the information about it and calls
2589     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2590     * If the activity cannot be found, NameNotFoundException is thrown.
2591     *
2592     * @param activityName Name of the activity whose icon is to be retrieved.
2593     *
2594     * @return Returns the image of the icon, or the default activity icon if
2595     * it could not be found.  Does not return null.
2596     * @throws NameNotFoundException Thrown if the resources for the given
2597     * activity could not be loaded.
2598     *
2599     * @see #getActivityIcon(Intent)
2600     */
2601    public abstract Drawable getActivityIcon(ComponentName activityName)
2602            throws NameNotFoundException;
2603
2604    /**
2605     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2606     * set, this simply returns the result of
2607     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2608     * component and returns the icon associated with the resolved component.
2609     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2610     * to a component, NameNotFoundException is thrown.
2611     *
2612     * @param intent The intent for which you would like to retrieve an icon.
2613     *
2614     * @return Returns the image of the icon, or the default activity icon if
2615     * it could not be found.  Does not return null.
2616     * @throws NameNotFoundException Thrown if the resources for application
2617     * matching the given intent could not be loaded.
2618     *
2619     * @see #getActivityIcon(ComponentName)
2620     */
2621    public abstract Drawable getActivityIcon(Intent intent)
2622            throws NameNotFoundException;
2623
2624    /**
2625     * Retrieve the banner associated with an activity. Given the full name of
2626     * an activity, retrieves the information about it and calls
2627     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2628     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2629     *
2630     * @param activityName Name of the activity whose banner is to be retrieved.
2631     * @return Returns the image of the banner, or null if the activity has no
2632     *         banner specified.
2633     * @throws NameNotFoundException Thrown if the resources for the given
2634     *             activity could not be loaded.
2635     * @see #getActivityBanner(Intent)
2636     */
2637    public abstract Drawable getActivityBanner(ComponentName activityName)
2638            throws NameNotFoundException;
2639
2640    /**
2641     * Retrieve the banner associated with an Intent. If intent.getClassName()
2642     * is set, this simply returns the result of
2643     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2644     * intent's component and returns the banner associated with the resolved
2645     * component. If intent.getClassName() cannot be found or the Intent cannot
2646     * be resolved to a component, NameNotFoundException is thrown.
2647     *
2648     * @param intent The intent for which you would like to retrieve a banner.
2649     * @return Returns the image of the banner, or null if the activity has no
2650     *         banner specified.
2651     * @throws NameNotFoundException Thrown if the resources for application
2652     *             matching the given intent could not be loaded.
2653     * @see #getActivityBanner(ComponentName)
2654     */
2655    public abstract Drawable getActivityBanner(Intent intent)
2656            throws NameNotFoundException;
2657
2658    /**
2659     * Return the generic icon for an activity that is used when no specific
2660     * icon is defined.
2661     *
2662     * @return Drawable Image of the icon.
2663     */
2664    public abstract Drawable getDefaultActivityIcon();
2665
2666    /**
2667     * Retrieve the icon associated with an application.  If it has not defined
2668     * an icon, the default app icon is returned.  Does not return null.
2669     *
2670     * @param info Information about application being queried.
2671     *
2672     * @return Returns the image of the icon, or the default application icon
2673     * if it could not be found.
2674     *
2675     * @see #getApplicationIcon(String)
2676     */
2677    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2678
2679    /**
2680     * Retrieve the icon associated with an application.  Given the name of the
2681     * application's package, retrieves the information about it and calls
2682     * getApplicationIcon() to return its icon. If the application cannot be
2683     * found, NameNotFoundException is thrown.
2684     *
2685     * @param packageName Name of the package whose application icon is to be
2686     *                    retrieved.
2687     *
2688     * @return Returns the image of the icon, or the default application icon
2689     * if it could not be found.  Does not return null.
2690     * @throws NameNotFoundException Thrown if the resources for the given
2691     * application could not be loaded.
2692     *
2693     * @see #getApplicationIcon(ApplicationInfo)
2694     */
2695    public abstract Drawable getApplicationIcon(String packageName)
2696            throws NameNotFoundException;
2697
2698    /**
2699     * Retrieve the banner associated with an application.
2700     *
2701     * @param info Information about application being queried.
2702     * @return Returns the image of the banner or null if the application has no
2703     *         banner specified.
2704     * @see #getApplicationBanner(String)
2705     */
2706    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2707
2708    /**
2709     * Retrieve the banner associated with an application. Given the name of the
2710     * application's package, retrieves the information about it and calls
2711     * getApplicationIcon() to return its banner. If the application cannot be
2712     * found, NameNotFoundException is thrown.
2713     *
2714     * @param packageName Name of the package whose application banner is to be
2715     *            retrieved.
2716     * @return Returns the image of the banner or null if the application has no
2717     *         banner specified.
2718     * @throws NameNotFoundException Thrown if the resources for the given
2719     *             application could not be loaded.
2720     * @see #getApplicationBanner(ApplicationInfo)
2721     */
2722    public abstract Drawable getApplicationBanner(String packageName)
2723            throws NameNotFoundException;
2724
2725    /**
2726     * Retrieve the logo associated with an activity. Given the full name of an
2727     * activity, retrieves the information about it and calls
2728     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2729     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2730     *
2731     * @param activityName Name of the activity whose logo is to be retrieved.
2732     * @return Returns the image of the logo or null if the activity has no logo
2733     *         specified.
2734     * @throws NameNotFoundException Thrown if the resources for the given
2735     *             activity could not be loaded.
2736     * @see #getActivityLogo(Intent)
2737     */
2738    public abstract Drawable getActivityLogo(ComponentName activityName)
2739            throws NameNotFoundException;
2740
2741    /**
2742     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2743     * set, this simply returns the result of
2744     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2745     * component and returns the logo associated with the resolved component.
2746     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2747     * to a component, NameNotFoundException is thrown.
2748     *
2749     * @param intent The intent for which you would like to retrieve a logo.
2750     *
2751     * @return Returns the image of the logo, or null if the activity has no
2752     * logo specified.
2753     *
2754     * @throws NameNotFoundException Thrown if the resources for application
2755     * matching the given intent could not be loaded.
2756     *
2757     * @see #getActivityLogo(ComponentName)
2758     */
2759    public abstract Drawable getActivityLogo(Intent intent)
2760            throws NameNotFoundException;
2761
2762    /**
2763     * Retrieve the logo associated with an application.  If it has not specified
2764     * a logo, this method returns null.
2765     *
2766     * @param info Information about application being queried.
2767     *
2768     * @return Returns the image of the logo, or null if no logo is specified
2769     * by the application.
2770     *
2771     * @see #getApplicationLogo(String)
2772     */
2773    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2774
2775    /**
2776     * Retrieve the logo associated with an application.  Given the name of the
2777     * application's package, retrieves the information about it and calls
2778     * getApplicationLogo() to return its logo. If the application cannot be
2779     * found, NameNotFoundException is thrown.
2780     *
2781     * @param packageName Name of the package whose application logo is to be
2782     *                    retrieved.
2783     *
2784     * @return Returns the image of the logo, or null if no application logo
2785     * has been specified.
2786     *
2787     * @throws NameNotFoundException Thrown if the resources for the given
2788     * application could not be loaded.
2789     *
2790     * @see #getApplicationLogo(ApplicationInfo)
2791     */
2792    public abstract Drawable getApplicationLogo(String packageName)
2793            throws NameNotFoundException;
2794
2795    /**
2796     * Retrieve text from a package.  This is a low-level API used by
2797     * the various package manager info structures (such as
2798     * {@link ComponentInfo} to implement retrieval of their associated
2799     * labels and other text.
2800     *
2801     * @param packageName The name of the package that this text is coming from.
2802     * Cannot be null.
2803     * @param resid The resource identifier of the desired text.  Cannot be 0.
2804     * @param appInfo Overall information about <var>packageName</var>.  This
2805     * may be null, in which case the application information will be retrieved
2806     * for you if needed; if you already have this information around, it can
2807     * be much more efficient to supply it here.
2808     *
2809     * @return Returns a CharSequence holding the requested text.  Returns null
2810     * if the text could not be found for any reason.
2811     */
2812    public abstract CharSequence getText(String packageName, int resid,
2813            ApplicationInfo appInfo);
2814
2815    /**
2816     * Retrieve an XML file from a package.  This is a low-level API used to
2817     * retrieve XML meta data.
2818     *
2819     * @param packageName The name of the package that this xml is coming from.
2820     * Cannot be null.
2821     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2822     * @param appInfo Overall information about <var>packageName</var>.  This
2823     * may be null, in which case the application information will be retrieved
2824     * for you if needed; if you already have this information around, it can
2825     * be much more efficient to supply it here.
2826     *
2827     * @return Returns an XmlPullParser allowing you to parse out the XML
2828     * data.  Returns null if the xml resource could not be found for any
2829     * reason.
2830     */
2831    public abstract XmlResourceParser getXml(String packageName, int resid,
2832            ApplicationInfo appInfo);
2833
2834    /**
2835     * Return the label to use for this application.
2836     *
2837     * @return Returns the label associated with this application, or null if
2838     * it could not be found for any reason.
2839     * @param info The application to get the label of.
2840     */
2841    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2842
2843    /**
2844     * Retrieve the resources associated with an activity.  Given the full
2845     * name of an activity, retrieves the information about it and calls
2846     * getResources() to return its application's resources.  If the activity
2847     * cannot be found, NameNotFoundException is thrown.
2848     *
2849     * @param activityName Name of the activity whose resources are to be
2850     *                     retrieved.
2851     *
2852     * @return Returns the application's Resources.
2853     * @throws NameNotFoundException Thrown if the resources for the given
2854     * application could not be loaded.
2855     *
2856     * @see #getResourcesForApplication(ApplicationInfo)
2857     */
2858    public abstract Resources getResourcesForActivity(ComponentName activityName)
2859            throws NameNotFoundException;
2860
2861    /**
2862     * Retrieve the resources for an application.  Throws NameNotFoundException
2863     * if the package is no longer installed.
2864     *
2865     * @param app Information about the desired application.
2866     *
2867     * @return Returns the application's Resources.
2868     * @throws NameNotFoundException Thrown if the resources for the given
2869     * application could not be loaded (most likely because it was uninstalled).
2870     */
2871    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2872            throws NameNotFoundException;
2873
2874    /**
2875     * Retrieve the resources associated with an application.  Given the full
2876     * package name of an application, retrieves the information about it and
2877     * calls getResources() to return its application's resources.  If the
2878     * appPackageName cannot be found, NameNotFoundException is thrown.
2879     *
2880     * @param appPackageName Package name of the application whose resources
2881     *                       are to be retrieved.
2882     *
2883     * @return Returns the application's Resources.
2884     * @throws NameNotFoundException Thrown if the resources for the given
2885     * application could not be loaded.
2886     *
2887     * @see #getResourcesForApplication(ApplicationInfo)
2888     */
2889    public abstract Resources getResourcesForApplication(String appPackageName)
2890            throws NameNotFoundException;
2891
2892    /** @hide */
2893    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2894            throws NameNotFoundException;
2895
2896    /**
2897     * Retrieve overall information about an application package defined
2898     * in a package archive file
2899     *
2900     * @param archiveFilePath The path to the archive file
2901     * @param flags Additional option flags. Use any combination of
2902     * {@link #GET_ACTIVITIES},
2903     * {@link #GET_GIDS},
2904     * {@link #GET_CONFIGURATIONS},
2905     * {@link #GET_INSTRUMENTATION},
2906     * {@link #GET_PERMISSIONS},
2907     * {@link #GET_PROVIDERS},
2908     * {@link #GET_RECEIVERS},
2909     * {@link #GET_SERVICES},
2910     * {@link #GET_SIGNATURES}, to modify the data returned.
2911     *
2912     * @return Returns the information about the package. Returns
2913     * null if the package could not be successfully parsed.
2914     *
2915     * @see #GET_ACTIVITIES
2916     * @see #GET_GIDS
2917     * @see #GET_CONFIGURATIONS
2918     * @see #GET_INSTRUMENTATION
2919     * @see #GET_PERMISSIONS
2920     * @see #GET_PROVIDERS
2921     * @see #GET_RECEIVERS
2922     * @see #GET_SERVICES
2923     * @see #GET_SIGNATURES
2924     *
2925     */
2926    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2927        final PackageParser parser = new PackageParser();
2928        final File apkFile = new File(archiveFilePath);
2929        try {
2930            PackageParser.Package pkg = parser.parseMonolithicPackage(apkFile, 0);
2931            if ((flags & GET_SIGNATURES) != 0) {
2932                parser.collectCertificates(pkg, 0);
2933                parser.collectManifestDigest(pkg);
2934            }
2935            PackageUserState state = new PackageUserState();
2936            return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2937        } catch (PackageParserException e) {
2938            return null;
2939        }
2940    }
2941
2942    /**
2943     * @hide
2944     *
2945     * Install a package. Since this may take a little while, the result will
2946     * be posted back to the given observer.  An installation will fail if the calling context
2947     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2948     * package named in the package file's manifest is already installed, or if there's no space
2949     * available on the device.
2950     *
2951     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2952     * 'content:' URI.
2953     * @param observer An observer callback to get notified when the package installation is
2954     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2955     * called when that happens.  This parameter must not be null.
2956     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2957     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2958     * @param installerPackageName Optional package name of the application that is performing the
2959     * installation. This identifies which market the package came from.
2960     * @deprecated Use {@link #installPackage(Uri, IPackageInstallObserver2, int, String)}
2961     * instead.  This method will continue to be supported but the older observer interface
2962     * will not get additional failure details.
2963     */
2964    // @SystemApi
2965    public abstract void installPackage(
2966            Uri packageURI, IPackageInstallObserver observer, int flags,
2967            String installerPackageName);
2968
2969    /**
2970     * Similar to
2971     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2972     * with an extra verification file provided.
2973     *
2974     * @param packageURI The location of the package file to install. This can
2975     *            be a 'file:' or a 'content:' URI.
2976     * @param observer An observer callback to get notified when the package
2977     *            installation is complete.
2978     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2979     *            will be called when that happens. This parameter must not be null.
2980     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2981     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2982     * @param installerPackageName Optional package name of the application that
2983     *            is performing the installation. This identifies which market
2984     *            the package came from.
2985     * @param verificationURI The location of the supplementary verification
2986     *            file. This can be a 'file:' or a 'content:' URI. May be
2987     *            {@code null}.
2988     * @param manifestDigest an object that holds the digest of the package
2989     *            which can be used to verify ownership. May be {@code null}.
2990     * @param encryptionParams if the package to be installed is encrypted,
2991     *            these parameters describing the encryption and authentication
2992     *            used. May be {@code null}.
2993     * @hide
2994     * @deprecated Use {@link #installPackageWithVerification(Uri, IPackageInstallObserver2,
2995     * int, String, Uri, ManifestDigest, ContainerEncryptionParams)} instead.  This method will
2996     * continue to be supported but the older observer interface will not get additional failure
2997     * details.
2998     */
2999    // @SystemApi
3000    public abstract void installPackageWithVerification(Uri packageURI,
3001            IPackageInstallObserver observer, int flags, String installerPackageName,
3002            Uri verificationURI, ManifestDigest manifestDigest,
3003            ContainerEncryptionParams encryptionParams);
3004
3005    /**
3006     * Similar to
3007     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3008     * with an extra verification information provided.
3009     *
3010     * @param packageURI The location of the package file to install. This can
3011     *            be a 'file:' or a 'content:' URI.
3012     * @param observer An observer callback to get notified when the package
3013     *            installation is complete.
3014     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
3015     *            will be called when that happens. This parameter must not be null.
3016     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3017     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3018     * @param installerPackageName Optional package name of the application that
3019     *            is performing the installation. This identifies which market
3020     *            the package came from.
3021     * @param verificationParams an object that holds signal information to
3022     *            assist verification. May be {@code null}.
3023     * @param encryptionParams if the package to be installed is encrypted,
3024     *            these parameters describing the encryption and authentication
3025     *            used. May be {@code null}.
3026     *
3027     * @hide
3028     * @deprecated Use {@link #installPackageWithVerificationAndEncryption(Uri,
3029     * IPackageInstallObserver2, int, String, VerificationParams,
3030     * ContainerEncryptionParams)} instead.  This method will continue to be
3031     * supported but the older observer interface will not get additional failure details.
3032     */
3033    @Deprecated
3034    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
3035            IPackageInstallObserver observer, int flags, String installerPackageName,
3036            VerificationParams verificationParams,
3037            ContainerEncryptionParams encryptionParams);
3038
3039    // Package-install variants that take the new, expanded form of observer interface.
3040    // Note that these *also* take the original observer type and will redundantly
3041    // report the same information to that observer if supplied; but it is not required.
3042
3043    /**
3044     * @hide
3045     *
3046     * Install a package. Since this may take a little while, the result will
3047     * be posted back to the given observer.  An installation will fail if the calling context
3048     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
3049     * package named in the package file's manifest is already installed, or if there's no space
3050     * available on the device.
3051     *
3052     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
3053     * 'content:' URI.
3054     * @param observer An observer callback to get notified when the package installation is
3055     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3056     * called when that happens. This parameter must not be null.
3057     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3058     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3059     * @param installerPackageName Optional package name of the application that is performing the
3060     * installation. This identifies which market the package came from.
3061     */
3062    public abstract void installPackage(
3063            Uri packageURI, PackageInstallObserver observer,
3064            int flags, String installerPackageName);
3065
3066    /**
3067     * Similar to
3068     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3069     * with an extra verification file provided.
3070     *
3071     * @param packageURI The location of the package file to install. This can
3072     *            be a 'file:' or a 'content:' URI.
3073     * @param observer An observer callback to get notified when the package installation is
3074     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3075     * called when that happens. This parameter must not be null.
3076     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3077     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3078     * @param installerPackageName Optional package name of the application that
3079     *            is performing the installation. This identifies which market
3080     *            the package came from.
3081     * @param verificationURI The location of the supplementary verification
3082     *            file. This can be a 'file:' or a 'content:' URI. May be
3083     *            {@code null}.
3084     * @param manifestDigest an object that holds the digest of the package
3085     *            which can be used to verify ownership. May be {@code null}.
3086     * @param encryptionParams if the package to be installed is encrypted,
3087     *            these parameters describing the encryption and authentication
3088     *            used. May be {@code null}.
3089     * @hide
3090     */
3091    public abstract void installPackageWithVerification(Uri packageURI,
3092            PackageInstallObserver observer, int flags, String installerPackageName,
3093            Uri verificationURI, ManifestDigest manifestDigest,
3094            ContainerEncryptionParams encryptionParams);
3095
3096    /**
3097     * Similar to
3098     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
3099     * with an extra verification information provided.
3100     *
3101     * @param packageURI The location of the package file to install. This can
3102     *            be a 'file:' or a 'content:' URI.
3103     * @param observer An observer callback to get notified when the package installation is
3104     * complete. {@link PackageInstallObserver#packageInstalled(String, Bundle, int)} will be
3105     * called when that happens. This parameter must not be null.
3106     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
3107     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
3108     * @param installerPackageName Optional package name of the application that
3109     *            is performing the installation. This identifies which market
3110     *            the package came from.
3111     * @param verificationParams an object that holds signal information to
3112     *            assist verification. May be {@code null}.
3113     * @param encryptionParams if the package to be installed is encrypted,
3114     *            these parameters describing the encryption and authentication
3115     *            used. May be {@code null}.
3116     *
3117     * @hide
3118     */
3119    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
3120            PackageInstallObserver observer, int flags, String installerPackageName,
3121            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams);
3122
3123    /**
3124     * If there is already an application with the given package name installed
3125     * on the system for other users, also install it for the calling user.
3126     * @hide
3127     */
3128    // @SystemApi
3129    public abstract int installExistingPackage(String packageName)
3130            throws NameNotFoundException;
3131
3132    /**
3133     * Allows a package listening to the
3134     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3135     * broadcast} to respond to the package manager. The response must include
3136     * the {@code verificationCode} which is one of
3137     * {@link PackageManager#VERIFICATION_ALLOW} or
3138     * {@link PackageManager#VERIFICATION_REJECT}.
3139     *
3140     * @param id pending package identifier as passed via the
3141     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3142     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
3143     *            or {@link PackageManager#VERIFICATION_REJECT}.
3144     * @throws SecurityException if the caller does not have the
3145     *            PACKAGE_VERIFICATION_AGENT permission.
3146     */
3147    public abstract void verifyPendingInstall(int id, int verificationCode);
3148
3149    /**
3150     * Allows a package listening to the
3151     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
3152     * broadcast} to extend the default timeout for a response and declare what
3153     * action to perform after the timeout occurs. The response must include
3154     * the {@code verificationCodeAtTimeout} which is one of
3155     * {@link PackageManager#VERIFICATION_ALLOW} or
3156     * {@link PackageManager#VERIFICATION_REJECT}.
3157     *
3158     * This method may only be called once per package id. Additional calls
3159     * will have no effect.
3160     *
3161     * @param id pending package identifier as passed via the
3162     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
3163     * @param verificationCodeAtTimeout either
3164     *            {@link PackageManager#VERIFICATION_ALLOW} or
3165     *            {@link PackageManager#VERIFICATION_REJECT}. If
3166     *            {@code verificationCodeAtTimeout} is neither
3167     *            {@link PackageManager#VERIFICATION_ALLOW} or
3168     *            {@link PackageManager#VERIFICATION_REJECT}, then
3169     *            {@code verificationCodeAtTimeout} will default to
3170     *            {@link PackageManager#VERIFICATION_REJECT}.
3171     * @param millisecondsToDelay the amount of time requested for the timeout.
3172     *            Must be positive and less than
3173     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
3174     *            {@code millisecondsToDelay} is out of bounds,
3175     *            {@code millisecondsToDelay} will be set to the closest in
3176     *            bounds value; namely, 0 or
3177     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
3178     * @throws SecurityException if the caller does not have the
3179     *            PACKAGE_VERIFICATION_AGENT permission.
3180     */
3181    public abstract void extendVerificationTimeout(int id,
3182            int verificationCodeAtTimeout, long millisecondsToDelay);
3183
3184    /**
3185     * Change the installer associated with a given package.  There are limitations
3186     * on how the installer package can be changed; in particular:
3187     * <ul>
3188     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
3189     * is not signed with the same certificate as the calling application.
3190     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
3191     * has an installer package, and that installer package is not signed with
3192     * the same certificate as the calling application.
3193     * </ul>
3194     *
3195     * @param targetPackage The installed package whose installer will be changed.
3196     * @param installerPackageName The package name of the new installer.  May be
3197     * null to clear the association.
3198     */
3199    public abstract void setInstallerPackageName(String targetPackage,
3200            String installerPackageName);
3201
3202    /**
3203     * Attempts to delete a package.  Since this may take a little while, the result will
3204     * be posted back to the given observer.  A deletion will fail if the calling context
3205     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
3206     * named package cannot be found, or if the named package is a "system package".
3207     * (TODO: include pointer to documentation on "system packages")
3208     *
3209     * @param packageName The name of the package to delete
3210     * @param observer An observer callback to get notified when the package deletion is
3211     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
3212     * called when that happens.  observer may be null to indicate that no callback is desired.
3213     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
3214     * {@link #DELETE_ALL_USERS}.
3215     *
3216     * @hide
3217     */
3218    // @SystemApi
3219    public abstract void deletePackage(
3220            String packageName, IPackageDeleteObserver observer, int flags);
3221
3222    /**
3223     * Retrieve the package name of the application that installed a package. This identifies
3224     * which market the package came from.
3225     *
3226     * @param packageName The name of the package to query
3227     */
3228    public abstract String getInstallerPackageName(String packageName);
3229
3230    /**
3231     * Attempts to clear the user data directory of an application.
3232     * Since this may take a little while, the result will
3233     * be posted back to the given observer.  A deletion will fail if the
3234     * named package cannot be found, or if the named package is a "system package".
3235     *
3236     * @param packageName The name of the package
3237     * @param observer An observer callback to get notified when the operation is finished
3238     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3239     * will be called when that happens.  observer may be null to indicate that
3240     * no callback is desired.
3241     *
3242     * @hide
3243     */
3244    public abstract void clearApplicationUserData(String packageName,
3245            IPackageDataObserver observer);
3246    /**
3247     * Attempts to delete the cache files associated with an application.
3248     * Since this may take a little while, the result will
3249     * be posted back to the given observer.  A deletion will fail if the calling context
3250     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
3251     * named package cannot be found, or if the named package is a "system package".
3252     *
3253     * @param packageName The name of the package to delete
3254     * @param observer An observer callback to get notified when the cache file deletion
3255     * is complete.
3256     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
3257     * will be called when that happens.  observer may be null to indicate that
3258     * no callback is desired.
3259     *
3260     * @hide
3261     */
3262    public abstract void deleteApplicationCacheFiles(String packageName,
3263            IPackageDataObserver observer);
3264
3265    /**
3266     * Free storage by deleting LRU sorted list of cache files across
3267     * all applications. If the currently available free storage
3268     * on the device is greater than or equal to the requested
3269     * free storage, no cache files are cleared. If the currently
3270     * available storage on the device is less than the requested
3271     * free storage, some or all of the cache files across
3272     * all applications are deleted (based on last accessed time)
3273     * to increase the free storage space on the device to
3274     * the requested value. There is no guarantee that clearing all
3275     * the cache files from all applications will clear up
3276     * enough storage to achieve the desired value.
3277     * @param freeStorageSize The number of bytes of storage to be
3278     * freed by the system. Say if freeStorageSize is XX,
3279     * and the current free storage is YY,
3280     * if XX is less than YY, just return. if not free XX-YY number
3281     * of bytes if possible.
3282     * @param observer call back used to notify when
3283     * the operation is completed
3284     *
3285     * @hide
3286     */
3287    // @SystemApi
3288    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3289
3290    /**
3291     * Free storage by deleting LRU sorted list of cache files across
3292     * all applications. If the currently available free storage
3293     * on the device is greater than or equal to the requested
3294     * free storage, no cache files are cleared. If the currently
3295     * available storage on the device is less than the requested
3296     * free storage, some or all of the cache files across
3297     * all applications are deleted (based on last accessed time)
3298     * to increase the free storage space on the device to
3299     * the requested value. There is no guarantee that clearing all
3300     * the cache files from all applications will clear up
3301     * enough storage to achieve the desired value.
3302     * @param freeStorageSize The number of bytes of storage to be
3303     * freed by the system. Say if freeStorageSize is XX,
3304     * and the current free storage is YY,
3305     * if XX is less than YY, just return. if not free XX-YY number
3306     * of bytes if possible.
3307     * @param pi IntentSender call back used to
3308     * notify when the operation is completed.May be null
3309     * to indicate that no call back is desired.
3310     *
3311     * @hide
3312     */
3313    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3314
3315    /**
3316     * Retrieve the size information for a package.
3317     * Since this may take a little while, the result will
3318     * be posted back to the given observer.  The calling context
3319     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3320     *
3321     * @param packageName The name of the package whose size information is to be retrieved
3322     * @param userHandle The user whose size information should be retrieved.
3323     * @param observer An observer callback to get notified when the operation
3324     * is complete.
3325     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3326     * The observer's callback is invoked with a PackageStats object(containing the
3327     * code, data and cache sizes of the package) and a boolean value representing
3328     * the status of the operation. observer may be null to indicate that
3329     * no callback is desired.
3330     *
3331     * @hide
3332     */
3333    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3334            IPackageStatsObserver observer);
3335
3336    /**
3337     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3338     * returns the size for the calling user.
3339     *
3340     * @hide
3341     */
3342    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3343        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3344    }
3345
3346    /**
3347     * @deprecated This function no longer does anything; it was an old
3348     * approach to managing preferred activities, which has been superseded
3349     * by (and conflicts with) the modern activity-based preferences.
3350     */
3351    @Deprecated
3352    public abstract void addPackageToPreferred(String packageName);
3353
3354    /**
3355     * @deprecated This function no longer does anything; it was an old
3356     * approach to managing preferred activities, which has been superseded
3357     * by (and conflicts with) the modern activity-based preferences.
3358     */
3359    @Deprecated
3360    public abstract void removePackageFromPreferred(String packageName);
3361
3362    /**
3363     * Retrieve the list of all currently configured preferred packages.  The
3364     * first package on the list is the most preferred, the last is the
3365     * least preferred.
3366     *
3367     * @param flags Additional option flags. Use any combination of
3368     * {@link #GET_ACTIVITIES},
3369     * {@link #GET_GIDS},
3370     * {@link #GET_CONFIGURATIONS},
3371     * {@link #GET_INSTRUMENTATION},
3372     * {@link #GET_PERMISSIONS},
3373     * {@link #GET_PROVIDERS},
3374     * {@link #GET_RECEIVERS},
3375     * {@link #GET_SERVICES},
3376     * {@link #GET_SIGNATURES}, to modify the data returned.
3377     *
3378     * @return Returns a list of PackageInfo objects describing each
3379     * preferred application, in order of preference.
3380     *
3381     * @see #GET_ACTIVITIES
3382     * @see #GET_GIDS
3383     * @see #GET_CONFIGURATIONS
3384     * @see #GET_INSTRUMENTATION
3385     * @see #GET_PERMISSIONS
3386     * @see #GET_PROVIDERS
3387     * @see #GET_RECEIVERS
3388     * @see #GET_SERVICES
3389     * @see #GET_SIGNATURES
3390     */
3391    public abstract List<PackageInfo> getPreferredPackages(int flags);
3392
3393    /**
3394     * @deprecated This is a protected API that should not have been available
3395     * to third party applications.  It is the platform's responsibility for
3396     * assigning preferred activities and this cannot be directly modified.
3397     *
3398     * Add a new preferred activity mapping to the system.  This will be used
3399     * to automatically select the given activity component when
3400     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3401     * multiple matching activities and also matches the given filter.
3402     *
3403     * @param filter The set of intents under which this activity will be
3404     * made preferred.
3405     * @param match The IntentFilter match category that this preference
3406     * applies to.
3407     * @param set The set of activities that the user was picking from when
3408     * this preference was made.
3409     * @param activity The component name of the activity that is to be
3410     * preferred.
3411     */
3412    @Deprecated
3413    public abstract void addPreferredActivity(IntentFilter filter, int match,
3414            ComponentName[] set, ComponentName activity);
3415
3416    /**
3417     * Same as {@link #addPreferredActivity(IntentFilter, int,
3418            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3419            to.
3420     * @hide
3421     */
3422    public void addPreferredActivity(IntentFilter filter, int match,
3423            ComponentName[] set, ComponentName activity, int userId) {
3424        throw new RuntimeException("Not implemented. Must override in a subclass.");
3425    }
3426
3427    /**
3428     * @deprecated This is a protected API that should not have been available
3429     * to third party applications.  It is the platform's responsibility for
3430     * assigning preferred activities and this cannot be directly modified.
3431     *
3432     * Replaces an existing preferred activity mapping to the system, and if that were not present
3433     * adds a new preferred activity.  This will be used
3434     * to automatically select the given activity component when
3435     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3436     * multiple matching activities and also matches the given filter.
3437     *
3438     * @param filter The set of intents under which this activity will be
3439     * made preferred.
3440     * @param match The IntentFilter match category that this preference
3441     * applies to.
3442     * @param set The set of activities that the user was picking from when
3443     * this preference was made.
3444     * @param activity The component name of the activity that is to be
3445     * preferred.
3446     * @hide
3447     */
3448    @Deprecated
3449    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3450            ComponentName[] set, ComponentName activity);
3451
3452    /**
3453     * Remove all preferred activity mappings, previously added with
3454     * {@link #addPreferredActivity}, from the
3455     * system whose activities are implemented in the given package name.
3456     * An application can only clear its own package(s).
3457     *
3458     * @param packageName The name of the package whose preferred activity
3459     * mappings are to be removed.
3460     */
3461    public abstract void clearPackagePreferredActivities(String packageName);
3462
3463    /**
3464     * Retrieve all preferred activities, previously added with
3465     * {@link #addPreferredActivity}, that are
3466     * currently registered with the system.
3467     *
3468     * @param outFilters A list in which to place the filters of all of the
3469     * preferred activities, or null for none.
3470     * @param outActivities A list in which to place the component names of
3471     * all of the preferred activities, or null for none.
3472     * @param packageName An option package in which you would like to limit
3473     * the list.  If null, all activities will be returned; if non-null, only
3474     * those activities in the given package are returned.
3475     *
3476     * @return Returns the total number of registered preferred activities
3477     * (the number of distinct IntentFilter records, not the number of unique
3478     * activity components) that were found.
3479     */
3480    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3481            List<ComponentName> outActivities, String packageName);
3482
3483    /**
3484     * Ask for the set of available 'home' activities and the current explicit
3485     * default, if any.
3486     * @hide
3487     */
3488    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3489
3490    /**
3491     * Set the enabled setting for a package component (activity, receiver, service, provider).
3492     * This setting will override any enabled state which may have been set by the component in its
3493     * manifest.
3494     *
3495     * @param componentName The component to enable
3496     * @param newState The new enabled state for the component.  The legal values for this state
3497     *                 are:
3498     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3499     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3500     *                   and
3501     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3502     *                 The last one removes the setting, thereby restoring the component's state to
3503     *                 whatever was set in it's manifest (or enabled, by default).
3504     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3505     */
3506    public abstract void setComponentEnabledSetting(ComponentName componentName,
3507            int newState, int flags);
3508
3509
3510    /**
3511     * Return the enabled setting for a package component (activity,
3512     * receiver, service, provider).  This returns the last value set by
3513     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3514     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3515     * the value originally specified in the manifest has not been modified.
3516     *
3517     * @param componentName The component to retrieve.
3518     * @return Returns the current enabled state for the component.  May
3519     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3520     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3521     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3522     * component's enabled state is based on the original information in
3523     * the manifest as found in {@link ComponentInfo}.
3524     */
3525    public abstract int getComponentEnabledSetting(ComponentName componentName);
3526
3527    /**
3528     * Set the enabled setting for an application
3529     * This setting will override any enabled state which may have been set by the application in
3530     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3531     * application's components.  It does not override any enabled state set by
3532     * {@link #setComponentEnabledSetting} for any of the application's components.
3533     *
3534     * @param packageName The package name of the application to enable
3535     * @param newState The new enabled state for the component.  The legal values for this state
3536     *                 are:
3537     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3538     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3539     *                   and
3540     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3541     *                 The last one removes the setting, thereby restoring the applications's state to
3542     *                 whatever was set in its manifest (or enabled, by default).
3543     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3544     */
3545    public abstract void setApplicationEnabledSetting(String packageName,
3546            int newState, int flags);
3547
3548    /**
3549     * Return the enabled setting for an application. This returns
3550     * the last value set by
3551     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3552     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3553     * the value originally specified in the manifest has not been modified.
3554     *
3555     * @param packageName The package name of the application to retrieve.
3556     * @return Returns the current enabled state for the application.  May
3557     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3558     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3559     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3560     * application's enabled state is based on the original information in
3561     * the manifest as found in {@link ComponentInfo}.
3562     * @throws IllegalArgumentException if the named package does not exist.
3563     */
3564    public abstract int getApplicationEnabledSetting(String packageName);
3565
3566    /**
3567     * Puts the package in a blocked state, which is almost like an uninstalled state,
3568     * making the package unavailable, but it doesn't remove the data or the actual
3569     * package file.
3570     * @hide
3571     */
3572    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3573            UserHandle userHandle);
3574
3575    /**
3576     * Returns the blocked state of a package.
3577     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3578     * @hide
3579     */
3580    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3581            UserHandle userHandle);
3582
3583    /**
3584     * Return whether the device has been booted into safe mode.
3585     */
3586    public abstract boolean isSafeMode();
3587
3588    /**
3589     * Attempts to move package resources from internal to external media or vice versa.
3590     * Since this may take a little while, the result will
3591     * be posted back to the given observer.   This call may fail if the calling context
3592     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3593     * named package cannot be found, or if the named package is a "system package".
3594     *
3595     * @param packageName The name of the package to delete
3596     * @param observer An observer callback to get notified when the package move is
3597     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3598     * called when that happens.  observer may be null to indicate that no callback is desired.
3599     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3600     * {@link #MOVE_EXTERNAL_MEDIA}
3601     *
3602     * @hide
3603     */
3604    public abstract void movePackage(
3605            String packageName, IPackageMoveObserver observer, int flags);
3606
3607    /**
3608     * Returns the device identity that verifiers can use to associate their scheme to a particular
3609     * device. This should not be used by anything other than a package verifier.
3610     *
3611     * @return identity that uniquely identifies current device
3612     * @hide
3613     */
3614    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3615
3616    /** {@hide} */
3617    public abstract PackageInstaller getPackageInstaller();
3618
3619    /**
3620     * Returns the data directory for a particular user and package, given the uid of the package.
3621     * @param uid uid of the package, including the userId and appId
3622     * @param packageName name of the package
3623     * @return the user-specific data directory for the package
3624     * @hide
3625     */
3626    public static String getDataDirForUser(int userId, String packageName) {
3627        // TODO: This should be shared with Installer's knowledge of user directory
3628        return Environment.getDataDirectory().toString() + "/user/" + userId
3629                + "/" + packageName;
3630    }
3631
3632    /**
3633     * Adds a {@link CrossProfileIntentFilter}. After calling this method all intents sent from the
3634     * user with id sourceUserId can also be be resolved by activities in the user with id
3635     * targetUserId if they match the specified intent filter.
3636     * @param filter the {@link IntentFilter} the intent has to match
3637     * @param removable if set to false, {@link clearCrossProfileIntentFilters} will not remove this
3638     * {@link CrossProfileIntentFilter}
3639     * @hide
3640     */
3641    public abstract void addCrossProfileIntentFilter(IntentFilter filter, int sourceUserId,
3642            int targetUserId, int flags);
3643
3644    /**
3645     * Clearing {@link CrossProfileIntentFilter}s which have the specified user as their
3646     * source, and have been set by the profile owner
3647     * @param sourceUserId
3648     * @hide
3649     */
3650    public abstract void clearCrossProfileIntentFilters(int sourceUserId);
3651
3652    /**
3653     * Forwards all intents for {@link packageName} for user {@link sourceUserId} to user
3654     * {@link targetUserId}.
3655     * @hide
3656     */
3657    public abstract void addCrossProfileIntentsForPackage(String packageName,
3658            int sourceUserId, int targetUserId);
3659    /**
3660     * @hide
3661     */
3662    public abstract Drawable loadItemIcon(PackageItemInfo itemInfo, ApplicationInfo appInfo);
3663}
3664