PackageManager.java revision 422c7a5834b4e0f1bbf56d00fb824c9bbbd3ead4
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.SdkConstant;
20import android.annotation.SdkConstant.SdkConstantType;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.Intent;
24import android.content.IntentFilter;
25import android.content.IntentSender;
26import android.content.res.Resources;
27import android.content.res.XmlResourceParser;
28import android.graphics.drawable.Drawable;
29import android.net.Uri;
30import android.os.Environment;
31import android.os.UserHandle;
32import android.util.AndroidException;
33import android.util.DisplayMetrics;
34
35import java.io.File;
36import java.util.List;
37
38/**
39 * Class for retrieving various kinds of information related to the application
40 * packages that are currently installed on the device.
41 *
42 * You can find this class through {@link Context#getPackageManager}.
43 */
44public abstract class PackageManager {
45
46    /**
47     * This exception is thrown when a given package, application, or component
48     * name cannot be found.
49     */
50    public static class NameNotFoundException extends AndroidException {
51        public NameNotFoundException() {
52        }
53
54        public NameNotFoundException(String name) {
55            super(name);
56        }
57    }
58
59    /**
60     * {@link PackageInfo} flag: return information about
61     * activities in the package in {@link PackageInfo#activities}.
62     */
63    public static final int GET_ACTIVITIES              = 0x00000001;
64
65    /**
66     * {@link PackageInfo} flag: return information about
67     * intent receivers in the package in
68     * {@link PackageInfo#receivers}.
69     */
70    public static final int GET_RECEIVERS               = 0x00000002;
71
72    /**
73     * {@link PackageInfo} flag: return information about
74     * services in the package in {@link PackageInfo#services}.
75     */
76    public static final int GET_SERVICES                = 0x00000004;
77
78    /**
79     * {@link PackageInfo} flag: return information about
80     * content providers in the package in
81     * {@link PackageInfo#providers}.
82     */
83    public static final int GET_PROVIDERS               = 0x00000008;
84
85    /**
86     * {@link PackageInfo} flag: return information about
87     * instrumentation in the package in
88     * {@link PackageInfo#instrumentation}.
89     */
90    public static final int GET_INSTRUMENTATION         = 0x00000010;
91
92    /**
93     * {@link PackageInfo} flag: return information about the
94     * intent filters supported by the activity.
95     */
96    public static final int GET_INTENT_FILTERS          = 0x00000020;
97
98    /**
99     * {@link PackageInfo} flag: return information about the
100     * signatures included in the package.
101     */
102    public static final int GET_SIGNATURES          = 0x00000040;
103
104    /**
105     * {@link ResolveInfo} flag: return the IntentFilter that
106     * was matched for a particular ResolveInfo in
107     * {@link ResolveInfo#filter}.
108     */
109    public static final int GET_RESOLVED_FILTER         = 0x00000040;
110
111    /**
112     * {@link ComponentInfo} flag: return the {@link ComponentInfo#metaData}
113     * data {@link android.os.Bundle}s that are associated with a component.
114     * This applies for any API returning a ComponentInfo subclass.
115     */
116    public static final int GET_META_DATA               = 0x00000080;
117
118    /**
119     * {@link PackageInfo} flag: return the
120     * {@link PackageInfo#gids group ids} that are associated with an
121     * application.
122     * This applies for any API returning a PackageInfo class, either
123     * directly or nested inside of another.
124     */
125    public static final int GET_GIDS                    = 0x00000100;
126
127    /**
128     * {@link PackageInfo} flag: include disabled components in the returned info.
129     */
130    public static final int GET_DISABLED_COMPONENTS     = 0x00000200;
131
132    /**
133     * {@link ApplicationInfo} flag: return the
134     * {@link ApplicationInfo#sharedLibraryFiles paths to the shared libraries}
135     * that are associated with an application.
136     * This applies for any API returning an ApplicationInfo class, either
137     * directly or nested inside of another.
138     */
139    public static final int GET_SHARED_LIBRARY_FILES    = 0x00000400;
140
141    /**
142     * {@link ProviderInfo} flag: return the
143     * {@link ProviderInfo#uriPermissionPatterns URI permission patterns}
144     * that are associated with a content provider.
145     * This applies for any API returning a ProviderInfo class, either
146     * directly or nested inside of another.
147     */
148    public static final int GET_URI_PERMISSION_PATTERNS  = 0x00000800;
149    /**
150     * {@link PackageInfo} flag: return information about
151     * permissions in the package in
152     * {@link PackageInfo#permissions}.
153     */
154    public static final int GET_PERMISSIONS               = 0x00001000;
155
156    /**
157     * Flag parameter to retrieve some information about all applications (even
158     * uninstalled ones) which have data directories. This state could have
159     * resulted if applications have been deleted with flag
160     * {@code DONT_DELETE_DATA} with a possibility of being replaced or
161     * reinstalled in future.
162     * <p>
163     * Note: this flag may cause less information about currently installed
164     * applications to be returned.
165     */
166    public static final int GET_UNINSTALLED_PACKAGES = 0x00002000;
167
168    /**
169     * {@link PackageInfo} flag: return information about
170     * hardware preferences in
171     * {@link PackageInfo#configPreferences PackageInfo.configPreferences} and
172     * requested features in {@link PackageInfo#reqFeatures
173     * PackageInfo.reqFeatures}.
174     */
175    public static final int GET_CONFIGURATIONS = 0x00004000;
176
177    /**
178     * {@link PackageInfo} flag: include disabled components which are in
179     * that state only because of {@link #COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED}
180     * in the returned info.  Note that if you set this flag, applications
181     * that are in this disabled state will be reported as enabled.
182     */
183    public static final int GET_DISABLED_UNTIL_USED_COMPONENTS = 0x00008000;
184
185    /**
186     * Resolution and querying flag: if set, only filters that support the
187     * {@link android.content.Intent#CATEGORY_DEFAULT} will be considered for
188     * matching.  This is a synonym for including the CATEGORY_DEFAULT in your
189     * supplied Intent.
190     */
191    public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
192
193    /**
194     * Permission check result: this is returned by {@link #checkPermission}
195     * if the permission has been granted to the given package.
196     */
197    public static final int PERMISSION_GRANTED = 0;
198
199    /**
200     * Permission check result: this is returned by {@link #checkPermission}
201     * if the permission has not been granted to the given package.
202     */
203    public static final int PERMISSION_DENIED = -1;
204
205    /**
206     * Signature check result: this is returned by {@link #checkSignatures}
207     * if all signatures on the two packages match.
208     */
209    public static final int SIGNATURE_MATCH = 0;
210
211    /**
212     * Signature check result: this is returned by {@link #checkSignatures}
213     * if neither of the two packages is signed.
214     */
215    public static final int SIGNATURE_NEITHER_SIGNED = 1;
216
217    /**
218     * Signature check result: this is returned by {@link #checkSignatures}
219     * if the first package is not signed but the second is.
220     */
221    public static final int SIGNATURE_FIRST_NOT_SIGNED = -1;
222
223    /**
224     * Signature check result: this is returned by {@link #checkSignatures}
225     * if the second package is not signed but the first is.
226     */
227    public static final int SIGNATURE_SECOND_NOT_SIGNED = -2;
228
229    /**
230     * Signature check result: this is returned by {@link #checkSignatures}
231     * if not all signatures on both packages match.
232     */
233    public static final int SIGNATURE_NO_MATCH = -3;
234
235    /**
236     * Signature check result: this is returned by {@link #checkSignatures}
237     * if either of the packages are not valid.
238     */
239    public static final int SIGNATURE_UNKNOWN_PACKAGE = -4;
240
241    /**
242     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
243     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
244     * component or application is in its default enabled state (as specified
245     * in its manifest).
246     */
247    public static final int COMPONENT_ENABLED_STATE_DEFAULT = 0;
248
249    /**
250     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
251     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
252     * component or application has been explictily enabled, regardless of
253     * what it has specified in its manifest.
254     */
255    public static final int COMPONENT_ENABLED_STATE_ENABLED = 1;
256
257    /**
258     * Flag for {@link #setApplicationEnabledSetting(String, int, int)}
259     * and {@link #setComponentEnabledSetting(ComponentName, int, int)}: This
260     * component or application has been explicitly disabled, regardless of
261     * what it has specified in its manifest.
262     */
263    public static final int COMPONENT_ENABLED_STATE_DISABLED = 2;
264
265    /**
266     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: The
267     * user has explicitly disabled the application, regardless of what it has
268     * specified in its manifest.  Because this is due to the user's request,
269     * they may re-enable it if desired through the appropriate system UI.  This
270     * option currently <strong>cannot</strong> be used with
271     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
272     */
273    public static final int COMPONENT_ENABLED_STATE_DISABLED_USER = 3;
274
275    /**
276     * Flag for {@link #setApplicationEnabledSetting(String, int, int)} only: This
277     * application should be considered, until the point where the user actually
278     * wants to use it.  This means that it will not normally show up to the user
279     * (such as in the launcher), but various parts of the user interface can
280     * use {@link #GET_DISABLED_UNTIL_USED_COMPONENTS} to still see it and allow
281     * the user to select it (as for example an IME, device admin, etc).  Such code,
282     * once the user has selected the app, should at that point also make it enabled.
283     * This option currently <strong>can not</strong> be used with
284     * {@link #setComponentEnabledSetting(ComponentName, int, int)}.
285     */
286    public static final int COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED = 4;
287
288    /**
289     * Flag parameter for {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} to
290     * indicate that this package should be installed as forward locked, i.e. only the app itself
291     * should have access to its code and non-resource assets.
292     * @hide
293     */
294    public static final int INSTALL_FORWARD_LOCK = 0x00000001;
295
296    /**
297     * Flag parameter for {@link #installPackage} to indicate that you want to replace an already
298     * installed package, if one exists.
299     * @hide
300     */
301    public static final int INSTALL_REPLACE_EXISTING = 0x00000002;
302
303    /**
304     * Flag parameter for {@link #installPackage} to indicate that you want to
305     * allow test packages (those that have set android:testOnly in their
306     * manifest) to be installed.
307     * @hide
308     */
309    public static final int INSTALL_ALLOW_TEST = 0x00000004;
310
311    /**
312     * Flag parameter for {@link #installPackage} to indicate that this
313     * package has to be installed on the sdcard.
314     * @hide
315     */
316    public static final int INSTALL_EXTERNAL = 0x00000008;
317
318    /**
319     * Flag parameter for {@link #installPackage} to indicate that this package
320     * has to be installed on the sdcard.
321     * @hide
322     */
323    public static final int INSTALL_INTERNAL = 0x00000010;
324
325    /**
326     * Flag parameter for {@link #installPackage} to indicate that this install
327     * was initiated via ADB.
328     *
329     * @hide
330     */
331    public static final int INSTALL_FROM_ADB = 0x00000020;
332
333    /**
334     * Flag parameter for {@link #installPackage} to indicate that this install
335     * should immediately be visible to all users.
336     *
337     * @hide
338     */
339    public static final int INSTALL_ALL_USERS = 0x00000040;
340
341    /**
342     * Flag parameter for {@link #installPackage} to indicate that it is okay
343     * to install an update to an app where the newly installed app has a lower
344     * version code than the currently installed app.
345     *
346     * @hide
347     */
348    public static final int INSTALL_ALLOW_DOWNGRADE = 0x00000080;
349
350    /**
351     * Flag parameter for
352     * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
353     * that you don't want to kill the app containing the component.  Be careful when you set this
354     * since changing component states can make the containing application's behavior unpredictable.
355     */
356    public static final int DONT_KILL_APP = 0x00000001;
357
358    /**
359     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
360     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} on success.
361     * @hide
362     */
363    public static final int INSTALL_SUCCEEDED = 1;
364
365    /**
366     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
367     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package is
368     * already installed.
369     * @hide
370     */
371    public static final int INSTALL_FAILED_ALREADY_EXISTS = -1;
372
373    /**
374     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
375     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package archive
376     * file is invalid.
377     * @hide
378     */
379    public static final int INSTALL_FAILED_INVALID_APK = -2;
380
381    /**
382     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
383     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the URI passed in
384     * is invalid.
385     * @hide
386     */
387    public static final int INSTALL_FAILED_INVALID_URI = -3;
388
389    /**
390     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
391     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if the package manager
392     * service found that the device didn't have enough storage space to install the app.
393     * @hide
394     */
395    public static final int INSTALL_FAILED_INSUFFICIENT_STORAGE = -4;
396
397    /**
398     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
399     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if a
400     * package is already installed with the same name.
401     * @hide
402     */
403    public static final int INSTALL_FAILED_DUPLICATE_PACKAGE = -5;
404
405    /**
406     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
407     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
408     * the requested shared user does not exist.
409     * @hide
410     */
411    public static final int INSTALL_FAILED_NO_SHARED_USER = -6;
412
413    /**
414     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
415     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
416     * a previously installed package of the same name has a different signature
417     * than the new package (and the old package's data was not removed).
418     * @hide
419     */
420    public static final int INSTALL_FAILED_UPDATE_INCOMPATIBLE = -7;
421
422    /**
423     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
424     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
425     * the new package is requested a shared user which is already installed on the
426     * device and does not have matching signature.
427     * @hide
428     */
429    public static final int INSTALL_FAILED_SHARED_USER_INCOMPATIBLE = -8;
430
431    /**
432     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
433     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
434     * the new package uses a shared library that is not available.
435     * @hide
436     */
437    public static final int INSTALL_FAILED_MISSING_SHARED_LIBRARY = -9;
438
439    /**
440     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
441     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
442     * the new package uses a shared library that is not available.
443     * @hide
444     */
445    public static final int INSTALL_FAILED_REPLACE_COULDNT_DELETE = -10;
446
447    /**
448     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
449     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
450     * the new package failed while optimizing and validating its dex files,
451     * either because there was not enough storage or the validation failed.
452     * @hide
453     */
454    public static final int INSTALL_FAILED_DEXOPT = -11;
455
456    /**
457     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
458     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
459     * the new package failed because the current SDK version is older than
460     * that required by the package.
461     * @hide
462     */
463    public static final int INSTALL_FAILED_OLDER_SDK = -12;
464
465    /**
466     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
467     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
468     * the new package failed because it contains a content provider with the
469     * same authority as a provider already installed in the system.
470     * @hide
471     */
472    public static final int INSTALL_FAILED_CONFLICTING_PROVIDER = -13;
473
474    /**
475     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
476     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
477     * the new package failed because the current SDK version is newer than
478     * that required by the package.
479     * @hide
480     */
481    public static final int INSTALL_FAILED_NEWER_SDK = -14;
482
483    /**
484     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
485     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
486     * the new package failed because it has specified that it is a test-only
487     * package and the caller has not supplied the {@link #INSTALL_ALLOW_TEST}
488     * flag.
489     * @hide
490     */
491    public static final int INSTALL_FAILED_TEST_ONLY = -15;
492
493    /**
494     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
495     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
496     * the package being installed contains native code, but none that is
497     * compatible with the the device's CPU_ABI.
498     * @hide
499     */
500    public static final int INSTALL_FAILED_CPU_ABI_INCOMPATIBLE = -16;
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 uses a feature that is not available.
506     * @hide
507     */
508    public static final int INSTALL_FAILED_MISSING_FEATURE = -17;
509
510    // ------ Errors related to sdcard
511    /**
512     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
513     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
514     * a secure container mount point couldn't be accessed on external media.
515     * @hide
516     */
517    public static final int INSTALL_FAILED_CONTAINER_ERROR = -18;
518
519    /**
520     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
521     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
522     * the new package couldn't be installed in the specified install
523     * location.
524     * @hide
525     */
526    public static final int INSTALL_FAILED_INVALID_INSTALL_LOCATION = -19;
527
528    /**
529     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
530     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
531     * the new package couldn't be installed in the specified install
532     * location because the media is not available.
533     * @hide
534     */
535    public static final int INSTALL_FAILED_MEDIA_UNAVAILABLE = -20;
536
537    /**
538     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
539     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
540     * the new package couldn't be installed because the verification timed out.
541     * @hide
542     */
543    public static final int INSTALL_FAILED_VERIFICATION_TIMEOUT = -21;
544
545    /**
546     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
547     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
548     * the new package couldn't be installed because the verification did not succeed.
549     * @hide
550     */
551    public static final int INSTALL_FAILED_VERIFICATION_FAILURE = -22;
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 package changed from what the calling program expected.
557     * @hide
558     */
559    public static final int INSTALL_FAILED_PACKAGE_CHANGED = -23;
560
561    /**
562     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
563     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
564     * the new package is assigned a different UID than it previously held.
565     * @hide
566     */
567    public static final int INSTALL_FAILED_UID_CHANGED = -24;
568
569    /**
570     * Installation return code: this is passed to the {@link IPackageInstallObserver} by
571     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)} if
572     * the new package has an older version code than the currently installed package.
573     * @hide
574     */
575    public static final int INSTALL_FAILED_VERSION_DOWNGRADE = -25;
576
577    /**
578     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
579     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
580     * if the parser was given a path that is not a file, or does not end with the expected
581     * '.apk' extension.
582     * @hide
583     */
584    public static final int INSTALL_PARSE_FAILED_NOT_APK = -100;
585
586    /**
587     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
588     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
589     * if the parser was unable to retrieve the AndroidManifest.xml file.
590     * @hide
591     */
592    public static final int INSTALL_PARSE_FAILED_BAD_MANIFEST = -101;
593
594    /**
595     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
596     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
597     * if the parser encountered an unexpected exception.
598     * @hide
599     */
600    public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102;
601
602    /**
603     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
604     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
605     * if the parser did not find any certificates in the .apk.
606     * @hide
607     */
608    public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103;
609
610    /**
611     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
612     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
613     * if the parser found inconsistent certificates on the files in the .apk.
614     * @hide
615     */
616    public static final int INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES = -104;
617
618    /**
619     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
620     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
621     * if the parser encountered a CertificateEncodingException in one of the
622     * files in the .apk.
623     * @hide
624     */
625    public static final int INSTALL_PARSE_FAILED_CERTIFICATE_ENCODING = -105;
626
627    /**
628     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
629     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
630     * if the parser encountered a bad or missing package name in the manifest.
631     * @hide
632     */
633    public static final int INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME = -106;
634
635    /**
636     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
637     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
638     * if the parser encountered a bad shared user id name in the manifest.
639     * @hide
640     */
641    public static final int INSTALL_PARSE_FAILED_BAD_SHARED_USER_ID = -107;
642
643    /**
644     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
645     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
646     * if the parser encountered some structural problem in the manifest.
647     * @hide
648     */
649    public static final int INSTALL_PARSE_FAILED_MANIFEST_MALFORMED = -108;
650
651    /**
652     * Installation parse return code: this is passed to the {@link IPackageInstallObserver} by
653     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
654     * if the parser did not find any actionable tags (instrumentation or application)
655     * in the manifest.
656     * @hide
657     */
658    public static final int INSTALL_PARSE_FAILED_MANIFEST_EMPTY = -109;
659
660    /**
661     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
662     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
663     * if the system failed to install the package because of system issues.
664     * @hide
665     */
666    public static final int INSTALL_FAILED_INTERNAL_ERROR = -110;
667
668    /**
669     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
670     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
671     * if the system failed to install the package because the user is restricted from installing
672     * apps.
673     * @hide
674     */
675    public static final int INSTALL_FAILED_USER_RESTRICTED = -111;
676
677    /**
678     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
679     * package's data directory.
680     *
681     * @hide
682     */
683    public static final int DELETE_KEEP_DATA = 0x00000001;
684
685    /**
686     * Flag parameter for {@link #deletePackage} to indicate that you want the
687     * package deleted for all users.
688     *
689     * @hide
690     */
691    public static final int DELETE_ALL_USERS = 0x00000002;
692
693    /**
694     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
695     * uninstall on a system that has been updated, then don't do the normal process
696     * of uninstalling the update and rolling back to the older system version (which
697     * needs to happen for all users); instead, just mark the app as uninstalled for
698     * the current user.
699     *
700     * @hide
701     */
702    public static final int DELETE_SYSTEM_APP = 0x00000004;
703
704    /**
705     * Return code for when package deletion succeeds. This is passed to the
706     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
707     * succeeded in deleting the package.
708     *
709     * @hide
710     */
711    public static final int DELETE_SUCCEEDED = 1;
712
713    /**
714     * Deletion failed return code: this is passed to the
715     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
716     * failed to delete the package for an unspecified reason.
717     *
718     * @hide
719     */
720    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
721
722    /**
723     * Deletion failed return code: this is passed to the
724     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
725     * failed to delete the package because it is the active DevicePolicy
726     * manager.
727     *
728     * @hide
729     */
730    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
731
732    /**
733     * Deletion failed return code: this is passed to the
734     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
735     * failed to delete the package since the user is restricted.
736     *
737     * @hide
738     */
739    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
740
741    /**
742     * Return code that is passed to the {@link IPackageMoveObserver} by
743     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
744     * package has been successfully moved by the system.
745     *
746     * @hide
747     */
748    public static final int MOVE_SUCCEEDED = 1;
749    /**
750     * Error code that is passed to the {@link IPackageMoveObserver} by
751     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
752     * when the package hasn't been successfully moved by the system
753     * because of insufficient memory on specified media.
754     * @hide
755     */
756    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
757
758    /**
759     * Error code that is passed to the {@link IPackageMoveObserver} by
760     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
761     * if the specified package doesn't exist.
762     * @hide
763     */
764    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
765
766    /**
767     * Error code that is passed to the {@link IPackageMoveObserver} by
768     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
769     * if the specified package cannot be moved since its a system package.
770     * @hide
771     */
772    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
773
774    /**
775     * Error code that is passed to the {@link IPackageMoveObserver} by
776     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
777     * if the specified package cannot be moved since its forward locked.
778     * @hide
779     */
780    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
781
782    /**
783     * Error code that is passed to the {@link IPackageMoveObserver} by
784     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
785     * if the specified package cannot be moved to the specified location.
786     * @hide
787     */
788    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
789
790    /**
791     * Error code that is passed to the {@link IPackageMoveObserver} by
792     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
793     * if the specified package cannot be moved to the specified location.
794     * @hide
795     */
796    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
797
798    /**
799     * Error code that is passed to the {@link IPackageMoveObserver} by
800     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
801     * specified package already has an operation pending in the
802     * {@link PackageHandler} queue.
803     *
804     * @hide
805     */
806    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
807
808    /**
809     * Flag parameter for {@link #movePackage} to indicate that
810     * the package should be moved to internal storage if its
811     * been installed on external media.
812     * @hide
813     */
814    public static final int MOVE_INTERNAL = 0x00000001;
815
816    /**
817     * Flag parameter for {@link #movePackage} to indicate that
818     * the package should be moved to external media.
819     * @hide
820     */
821    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
822
823    /**
824     * Usable by the required verifier as the {@code verificationCode} argument
825     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
826     * allow the installation to proceed without any of the optional verifiers
827     * needing to vote.
828     *
829     * @hide
830     */
831    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
832
833    /**
834     * Used as the {@code verificationCode} argument for
835     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
836     * package verifier allows the installation to proceed.
837     */
838    public static final int VERIFICATION_ALLOW = 1;
839
840    /**
841     * Used as the {@code verificationCode} argument for
842     * {@link PackageManager#verifyPendingInstall} to indicate the calling
843     * package verifier does not vote to allow the installation to proceed.
844     */
845    public static final int VERIFICATION_REJECT = -1;
846
847    /**
848     * Can be used as the {@code millisecondsToDelay} argument for
849     * {@link PackageManager#extendVerificationTimeout}. This is the
850     * maximum time {@code PackageManager} waits for the verification
851     * agent to return (in milliseconds).
852     */
853    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
854
855    /**
856     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
857     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
858     * lag in sound input or output.
859     */
860    @SdkConstant(SdkConstantType.FEATURE)
861    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
862
863    /**
864     * Feature for {@link #getSystemAvailableFeatures} and
865     * {@link #hasSystemFeature}: The device is capable of communicating with
866     * other devices via Bluetooth.
867     */
868    @SdkConstant(SdkConstantType.FEATURE)
869    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
870
871    /**
872     * Feature for {@link #getSystemAvailableFeatures} and
873     * {@link #hasSystemFeature}: The device is capable of communicating with
874     * other devices via Bluetooth Low Energy radio.
875     */
876    @SdkConstant(SdkConstantType.FEATURE)
877    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
878
879    /**
880     * Feature for {@link #getSystemAvailableFeatures} and
881     * {@link #hasSystemFeature}: The device has a camera facing away
882     * from the screen.
883     */
884    @SdkConstant(SdkConstantType.FEATURE)
885    public static final String FEATURE_CAMERA = "android.hardware.camera";
886
887    /**
888     * Feature for {@link #getSystemAvailableFeatures} and
889     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
890     */
891    @SdkConstant(SdkConstantType.FEATURE)
892    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
893
894    /**
895     * Feature for {@link #getSystemAvailableFeatures} and
896     * {@link #hasSystemFeature}: The device has at least one camera pointing in
897     * some direction, or can support an external camera being connected to it.
898     */
899    @SdkConstant(SdkConstantType.FEATURE)
900    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
901
902    /**
903     * Feature for {@link #getSystemAvailableFeatures} and
904     * {@link #hasSystemFeature}: The device can support having an external camera connected to it.
905     * The external camera may not always be connected or available to applications to use.
906     */
907    @SdkConstant(SdkConstantType.FEATURE)
908    public static final String FEATURE_CAMERA_EXTERNAL = "android.hardware.camera.external";
909
910    /**
911     * Feature for {@link #getSystemAvailableFeatures} and
912     * {@link #hasSystemFeature}: The device's camera supports flash.
913     */
914    @SdkConstant(SdkConstantType.FEATURE)
915    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
916
917    /**
918     * Feature for {@link #getSystemAvailableFeatures} and
919     * {@link #hasSystemFeature}: The device has a front facing camera.
920     */
921    @SdkConstant(SdkConstantType.FEATURE)
922    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
923
924    /**
925     * Feature for {@link #getSystemAvailableFeatures} and
926     * {@link #hasSystemFeature}: The device is capable of communicating with
927     * consumer IR devices.
928     */
929    @SdkConstant(SdkConstantType.FEATURE)
930    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
931
932    /**
933     * Feature for {@link #getSystemAvailableFeatures} and
934     * {@link #hasSystemFeature}: The device supports one or more methods of
935     * reporting current location.
936     */
937    @SdkConstant(SdkConstantType.FEATURE)
938    public static final String FEATURE_LOCATION = "android.hardware.location";
939
940    /**
941     * Feature for {@link #getSystemAvailableFeatures} and
942     * {@link #hasSystemFeature}: The device has a Global Positioning System
943     * receiver and can report precise location.
944     */
945    @SdkConstant(SdkConstantType.FEATURE)
946    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
947
948    /**
949     * Feature for {@link #getSystemAvailableFeatures} and
950     * {@link #hasSystemFeature}: The device can report location with coarse
951     * accuracy using a network-based geolocation system.
952     */
953    @SdkConstant(SdkConstantType.FEATURE)
954    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
955
956    /**
957     * Feature for {@link #getSystemAvailableFeatures} and
958     * {@link #hasSystemFeature}: The device can record audio via a
959     * microphone.
960     */
961    @SdkConstant(SdkConstantType.FEATURE)
962    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
963
964    /**
965     * Feature for {@link #getSystemAvailableFeatures} and
966     * {@link #hasSystemFeature}: The device can communicate using Near-Field
967     * Communications (NFC).
968     */
969    @SdkConstant(SdkConstantType.FEATURE)
970    public static final String FEATURE_NFC = "android.hardware.nfc";
971
972    /**
973     * Feature for {@link #getSystemAvailableFeatures} and
974     * {@link #hasSystemFeature}: The device supports host-
975     * based NFC card emulation.
976     *
977     * TODO remove when depending apps have moved to new constant.
978     * @hide
979     * @deprecated
980     */
981    @Deprecated
982    @SdkConstant(SdkConstantType.FEATURE)
983    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
984
985    /**
986     * Feature for {@link #getSystemAvailableFeatures} and
987     * {@link #hasSystemFeature}: The device supports host-
988     * based NFC card emulation.
989     */
990    @SdkConstant(SdkConstantType.FEATURE)
991    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
992
993    /**
994     * Feature for {@link #getSystemAvailableFeatures} and
995     * {@link #hasSystemFeature}: The device includes an accelerometer.
996     */
997    @SdkConstant(SdkConstantType.FEATURE)
998    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
999
1000    /**
1001     * Feature for {@link #getSystemAvailableFeatures} and
1002     * {@link #hasSystemFeature}: The device includes a barometer (air
1003     * pressure sensor.)
1004     */
1005    @SdkConstant(SdkConstantType.FEATURE)
1006    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1007
1008    /**
1009     * Feature for {@link #getSystemAvailableFeatures} and
1010     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1011     */
1012    @SdkConstant(SdkConstantType.FEATURE)
1013    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1014
1015    /**
1016     * Feature for {@link #getSystemAvailableFeatures} and
1017     * {@link #hasSystemFeature}: The device includes a gyroscope.
1018     */
1019    @SdkConstant(SdkConstantType.FEATURE)
1020    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1021
1022    /**
1023     * Feature for {@link #getSystemAvailableFeatures} and
1024     * {@link #hasSystemFeature}: The device includes a light sensor.
1025     */
1026    @SdkConstant(SdkConstantType.FEATURE)
1027    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1028
1029    /**
1030     * Feature for {@link #getSystemAvailableFeatures} and
1031     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1032     */
1033    @SdkConstant(SdkConstantType.FEATURE)
1034    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1035
1036    /**
1037     * Feature for {@link #getSystemAvailableFeatures} and
1038     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1039     */
1040    @SdkConstant(SdkConstantType.FEATURE)
1041    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1042
1043    /**
1044     * Feature for {@link #getSystemAvailableFeatures} and
1045     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1046     */
1047    @SdkConstant(SdkConstantType.FEATURE)
1048    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1049
1050    /**
1051     * Feature for {@link #getSystemAvailableFeatures} and
1052     * {@link #hasSystemFeature}: The device includes a heart rate monitor.
1053     */
1054    @SdkConstant(SdkConstantType.FEATURE)
1055    public static final String FEATURE_SENSOR_HEART_RATE = "android.hardware.sensor.heartrate";
1056
1057    /**
1058     * Feature for {@link #getSystemAvailableFeatures} and
1059     * {@link #hasSystemFeature}: The device has a telephony radio with data
1060     * communication support.
1061     */
1062    @SdkConstant(SdkConstantType.FEATURE)
1063    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1064
1065    /**
1066     * Feature for {@link #getSystemAvailableFeatures} and
1067     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1068     */
1069    @SdkConstant(SdkConstantType.FEATURE)
1070    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1071
1072    /**
1073     * Feature for {@link #getSystemAvailableFeatures} and
1074     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1075     */
1076    @SdkConstant(SdkConstantType.FEATURE)
1077    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1078
1079    /**
1080     * Feature for {@link #getSystemAvailableFeatures} and
1081     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1082     * as the USB host.
1083     */
1084    @SdkConstant(SdkConstantType.FEATURE)
1085    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1086
1087    /**
1088     * Feature for {@link #getSystemAvailableFeatures} and
1089     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1090     */
1091    @SdkConstant(SdkConstantType.FEATURE)
1092    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1093
1094    /**
1095     * Feature for {@link #getSystemAvailableFeatures} and
1096     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1097     */
1098    @SdkConstant(SdkConstantType.FEATURE)
1099    public static final String FEATURE_SIP = "android.software.sip";
1100
1101    /**
1102     * Feature for {@link #getSystemAvailableFeatures} and
1103     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1104     */
1105    @SdkConstant(SdkConstantType.FEATURE)
1106    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1107
1108    /**
1109     * Feature for {@link #getSystemAvailableFeatures} and
1110     * {@link #hasSystemFeature}: The device's display has a touch screen.
1111     */
1112    @SdkConstant(SdkConstantType.FEATURE)
1113    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1114
1115
1116    /**
1117     * Feature for {@link #getSystemAvailableFeatures} and
1118     * {@link #hasSystemFeature}: The device's touch screen supports
1119     * multitouch sufficient for basic two-finger gesture detection.
1120     */
1121    @SdkConstant(SdkConstantType.FEATURE)
1122    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1123
1124    /**
1125     * Feature for {@link #getSystemAvailableFeatures} and
1126     * {@link #hasSystemFeature}: The device's touch screen is capable of
1127     * tracking two or more fingers fully independently.
1128     */
1129    @SdkConstant(SdkConstantType.FEATURE)
1130    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1131
1132    /**
1133     * Feature for {@link #getSystemAvailableFeatures} and
1134     * {@link #hasSystemFeature}: The device's touch screen is capable of
1135     * tracking a full hand of fingers fully independently -- that is, 5 or
1136     * more simultaneous independent pointers.
1137     */
1138    @SdkConstant(SdkConstantType.FEATURE)
1139    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1140
1141    /**
1142     * Feature for {@link #getSystemAvailableFeatures} and
1143     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1144     * does support touch emulation for basic events. For instance, the
1145     * device might use a mouse or remote control to drive a cursor, and
1146     * emulate basic touch pointer events like down, up, drag, etc. All
1147     * devices that support android.hardware.touchscreen or a sub-feature are
1148     * presumed to also support faketouch.
1149     */
1150    @SdkConstant(SdkConstantType.FEATURE)
1151    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1152
1153    /**
1154     * Feature for {@link #getSystemAvailableFeatures} and
1155     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1156     * does support touch emulation for basic events that supports distinct
1157     * tracking of two or more fingers.  This is an extension of
1158     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1159     * that unlike a distinct multitouch screen as defined by
1160     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1161     * devices will not actually provide full two-finger gestures since the
1162     * input is being transformed to cursor movement on the screen.  That is,
1163     * single finger gestures will move a cursor; two-finger swipes will
1164     * result in single-finger touch events; other two-finger gestures will
1165     * result in the corresponding two-finger touch event.
1166     */
1167    @SdkConstant(SdkConstantType.FEATURE)
1168    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1169
1170    /**
1171     * Feature for {@link #getSystemAvailableFeatures} and
1172     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1173     * does support touch emulation for basic events that supports tracking
1174     * a hand of fingers (5 or more fingers) fully independently.
1175     * This is an extension of
1176     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1177     * that unlike a multitouch screen as defined by
1178     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1179     * gestures can be detected due to the limitations described for
1180     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1181     */
1182    @SdkConstant(SdkConstantType.FEATURE)
1183    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1184
1185    /**
1186     * Feature for {@link #getSystemAvailableFeatures} and
1187     * {@link #hasSystemFeature}: The device supports portrait orientation
1188     * screens.  For backwards compatibility, you can assume that if neither
1189     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1190     * both portrait and landscape.
1191     */
1192    @SdkConstant(SdkConstantType.FEATURE)
1193    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1194
1195    /**
1196     * Feature for {@link #getSystemAvailableFeatures} and
1197     * {@link #hasSystemFeature}: The device supports landscape orientation
1198     * screens.  For backwards compatibility, you can assume that if neither
1199     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1200     * both portrait and landscape.
1201     */
1202    @SdkConstant(SdkConstantType.FEATURE)
1203    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1204
1205    /**
1206     * Feature for {@link #getSystemAvailableFeatures} and
1207     * {@link #hasSystemFeature}: The device supports live wallpapers.
1208     */
1209    @SdkConstant(SdkConstantType.FEATURE)
1210    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1211
1212    /**
1213     * Feature for {@link #getSystemAvailableFeatures} and
1214     * {@link #hasSystemFeature}: The device supports app widgets.
1215     */
1216    @SdkConstant(SdkConstantType.FEATURE)
1217    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1218
1219    /**
1220     * Feature for {@link #getSystemAvailableFeatures} and
1221     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1222     * by third party applications.
1223     */
1224    @SdkConstant(SdkConstantType.FEATURE)
1225    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1226
1227    /**
1228     * Feature for {@link #getSystemAvailableFeatures} and
1229     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1230     * with the {@link android.inputmethodservice.InputMethodService} API.
1231     */
1232    @SdkConstant(SdkConstantType.FEATURE)
1233    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1234
1235    /**
1236     * Feature for {@link #getSystemAvailableFeatures} and
1237     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1238     */
1239    @SdkConstant(SdkConstantType.FEATURE)
1240    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1241
1242    /**
1243     * Feature for {@link #getSystemAvailableFeatures} and
1244     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1245     * typically used in a living room television experience, but is a software
1246     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1247     * feature will use resources associated with the "television" UI mode.
1248     * @hide
1249     */
1250    @SdkConstant(SdkConstantType.FEATURE)
1251    public static final String FEATURE_LEANBACK = "android.software.leanback";
1252
1253    /**
1254     * Feature for {@link #getSystemAvailableFeatures} and
1255     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1256     * applications designed for this experience should be run, though this is
1257     * not enforced by the system.
1258     * @hide
1259     */
1260    @SdkConstant(SdkConstantType.FEATURE)
1261    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1262
1263    /**
1264     * Feature for {@link #getSystemAvailableFeatures} and
1265     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1266     */
1267    @SdkConstant(SdkConstantType.FEATURE)
1268    public static final String FEATURE_WIFI = "android.hardware.wifi";
1269
1270    /**
1271     * Feature for {@link #getSystemAvailableFeatures} and
1272     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1273     */
1274    @SdkConstant(SdkConstantType.FEATURE)
1275    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1276
1277    /**
1278     * Feature for {@link #getSystemAvailableFeatures} and
1279     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1280     * on a television.  Television here is defined to be a typical living
1281     * room television experience: displayed on a big screen, where the user
1282     * is sitting far away from it, and the dominant form of input will be
1283     * something like a DPAD, not through touch or mouse.
1284     */
1285    @SdkConstant(SdkConstantType.FEATURE)
1286    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1287
1288    /**
1289     * Feature for {@link #getSystemAvailableFeatures} and
1290     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1291     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1292     * the wrist. The user is very close when interacting with the device.
1293     */
1294    @SdkConstant(SdkConstantType.FEATURE)
1295    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1296
1297    /**
1298     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1299     * The device supports printing.
1300     */
1301    @SdkConstant(SdkConstantType.FEATURE)
1302    public static final String FEATURE_PRINTING = "android.software.print";
1303
1304    /**
1305     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1306     * The device can perform backup and restore operations on installed applications.
1307     */
1308    @SdkConstant(SdkConstantType.FEATURE)
1309    public static final String FEATURE_BACKUP = "android.software.backup";
1310
1311    /**
1312     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1313     * The device has a full implementation of the android.webkit.* APIs. Devices
1314     * lacking this feature will not have a functioning WebView implementation.
1315     */
1316    @SdkConstant(SdkConstantType.FEATURE)
1317    public static final String FEATURE_WEBVIEW = "android.software.webview";
1318
1319    /**
1320     * Action to external storage service to clean out removed apps.
1321     * @hide
1322     */
1323    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1324            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1325
1326    /**
1327     * Extra field name for the URI to a verification file. Passed to a package
1328     * verifier.
1329     *
1330     * @hide
1331     */
1332    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1333
1334    /**
1335     * Extra field name for the ID of a package pending verification. Passed to
1336     * a package verifier and is used to call back to
1337     * {@link PackageManager#verifyPendingInstall(int, int)}
1338     */
1339    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1340
1341    /**
1342     * Extra field name for the package identifier which is trying to install
1343     * the package.
1344     *
1345     * @hide
1346     */
1347    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1348            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1349
1350    /**
1351     * Extra field name for the requested install flags for a package pending
1352     * verification. Passed to a package verifier.
1353     *
1354     * @hide
1355     */
1356    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1357            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1358
1359    /**
1360     * Extra field name for the uid of who is requesting to install
1361     * the package.
1362     *
1363     * @hide
1364     */
1365    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1366            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1367
1368    /**
1369     * Extra field name for the package name of a package pending verification.
1370     *
1371     * @hide
1372     */
1373    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1374            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1375    /**
1376     * Extra field name for the result of a verification, either
1377     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1378     * Passed to package verifiers after a package is verified.
1379     */
1380    public static final String EXTRA_VERIFICATION_RESULT
1381            = "android.content.pm.extra.VERIFICATION_RESULT";
1382
1383    /**
1384     * Extra field name for the version code of a package pending verification.
1385     *
1386     * @hide
1387     */
1388    public static final String EXTRA_VERIFICATION_VERSION_CODE
1389            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1390
1391    /**
1392     * The action used to request that the user approve a permission request
1393     * from the application.
1394     *
1395     * @hide
1396     */
1397    public static final String ACTION_REQUEST_PERMISSION
1398            = "android.content.pm.action.REQUEST_PERMISSION";
1399
1400    /**
1401     * Extra field name for the list of permissions, which the user must approve.
1402     *
1403     * @hide
1404     */
1405    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1406            = "android.content.pm.extra.PERMISSION_LIST";
1407
1408    /**
1409     * Retrieve overall information about an application package that is
1410     * installed on the system.
1411     * <p>
1412     * Throws {@link NameNotFoundException} if a package with the given name can
1413     * not be found on the system.
1414     *
1415     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1416     *            desired package.
1417     * @param flags Additional option flags. Use any combination of
1418     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1419     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1420     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1421     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1422     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1423     *            modify the data returned.
1424     * @return Returns a PackageInfo object containing information about the
1425     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1426     *         package is not found in the list of installed applications, the
1427     *         package information is retrieved from the list of uninstalled
1428     *         applications (which includes installed applications as well as
1429     *         applications with data directory i.e. applications which had been
1430     *         deleted with {@code DONT_DELETE_DATA} flag set).
1431     * @see #GET_ACTIVITIES
1432     * @see #GET_GIDS
1433     * @see #GET_CONFIGURATIONS
1434     * @see #GET_INSTRUMENTATION
1435     * @see #GET_PERMISSIONS
1436     * @see #GET_PROVIDERS
1437     * @see #GET_RECEIVERS
1438     * @see #GET_SERVICES
1439     * @see #GET_SIGNATURES
1440     * @see #GET_UNINSTALLED_PACKAGES
1441     */
1442    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1443            throws NameNotFoundException;
1444
1445    /**
1446     * Map from the current package names in use on the device to whatever
1447     * the current canonical name of that package is.
1448     * @param names Array of current names to be mapped.
1449     * @return Returns an array of the same size as the original, containing
1450     * the canonical name for each package.
1451     */
1452    public abstract String[] currentToCanonicalPackageNames(String[] names);
1453
1454    /**
1455     * Map from a packages canonical name to the current name in use on the device.
1456     * @param names Array of new names to be mapped.
1457     * @return Returns an array of the same size as the original, containing
1458     * the current name for each package.
1459     */
1460    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1461
1462    /**
1463     * Return a "good" intent to launch a front-door activity in a package,
1464     * for use for example to implement an "open" button when browsing through
1465     * packages.  The current implementation will look first for a main
1466     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1467     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1468     * null if neither are found.
1469     *
1470     * <p>Throws {@link NameNotFoundException} if a package with the given
1471     * name cannot be found on the system.
1472     *
1473     * @param packageName The name of the package to inspect.
1474     *
1475     * @return Returns either a fully-qualified Intent that can be used to
1476     * launch the main activity in the package, or null if the package does
1477     * not contain such an activity.
1478     */
1479    public abstract Intent getLaunchIntentForPackage(String packageName);
1480
1481    /**
1482     * @hide Return a "good" intent to launch a front-door Leanback activity in a
1483     * package, for use for example to implement an "open" button when browsing
1484     * through packages. The current implementation will look for a main
1485     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1486     * return null if no main leanback activities are found.
1487     * <p>
1488     * Throws {@link NameNotFoundException} if a package with the given name
1489     * cannot be found on the system.
1490     *
1491     * @param packageName The name of the package to inspect.
1492     * @return Returns either a fully-qualified Intent that can be used to launch
1493     *         the main Leanback activity in the package, or null if the package
1494     *         does not contain such an activity.
1495     */
1496    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1497
1498    /**
1499     * Return an array of all of the secondary group-ids that have been assigned
1500     * to a package.
1501     * <p>
1502     * Throws {@link NameNotFoundException} if a package with the given name
1503     * cannot be found on the system.
1504     *
1505     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1506     *            desired package.
1507     * @return Returns an int array of the assigned gids, or null if there are
1508     *         none.
1509     */
1510    public abstract int[] getPackageGids(String packageName)
1511            throws NameNotFoundException;
1512
1513    /**
1514     * @hide Return the uid associated with the given package name for the
1515     * given user.
1516     *
1517     * <p>Throws {@link NameNotFoundException} if a package with the given
1518     * name can not be found on the system.
1519     *
1520     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1521     *                    desired package.
1522     * @param userHandle The user handle identifier to look up the package under.
1523     *
1524     * @return Returns an integer uid who owns the given package name.
1525     */
1526    public abstract int getPackageUid(String packageName, int userHandle)
1527            throws NameNotFoundException;
1528
1529    /**
1530     * Retrieve all of the information we know about a particular permission.
1531     *
1532     * <p>Throws {@link NameNotFoundException} if a permission with the given
1533     * name cannot be found on the system.
1534     *
1535     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1536     *             of the permission you are interested in.
1537     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1538     * retrieve any meta-data associated with the permission.
1539     *
1540     * @return Returns a {@link PermissionInfo} containing information about the
1541     *         permission.
1542     */
1543    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1544            throws NameNotFoundException;
1545
1546    /**
1547     * Query for all of the permissions associated with a particular group.
1548     *
1549     * <p>Throws {@link NameNotFoundException} if the given group does not
1550     * exist.
1551     *
1552     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1553     *             of the permission group you are interested in.  Use null to
1554     *             find all of the permissions not associated with a group.
1555     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1556     * retrieve any meta-data associated with the permissions.
1557     *
1558     * @return Returns a list of {@link PermissionInfo} containing information
1559     * about all of the permissions in the given group.
1560     */
1561    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1562            int flags) throws NameNotFoundException;
1563
1564    /**
1565     * Retrieve all of the information we know about a particular group of
1566     * permissions.
1567     *
1568     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1569     * name cannot be found on the system.
1570     *
1571     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1572     *             of the permission you are interested in.
1573     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1574     * retrieve any meta-data associated with the permission group.
1575     *
1576     * @return Returns a {@link PermissionGroupInfo} containing information
1577     * about the permission.
1578     */
1579    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1580            int flags) throws NameNotFoundException;
1581
1582    /**
1583     * Retrieve all of the known permission groups in the system.
1584     *
1585     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1586     * retrieve any meta-data associated with the permission group.
1587     *
1588     * @return Returns a list of {@link PermissionGroupInfo} containing
1589     * information about all of the known permission groups.
1590     */
1591    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1592
1593    /**
1594     * Retrieve all of the information we know about a particular
1595     * package/application.
1596     *
1597     * <p>Throws {@link NameNotFoundException} if an application with the given
1598     * package name cannot be found on the system.
1599     *
1600     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1601     *                    application.
1602     * @param flags Additional option flags. Use any combination of
1603     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1604     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1605     *
1606     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1607     *         information about the package.
1608     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1609     *         found in the list of installed applications,
1610     *         the application information is retrieved from the
1611     *         list of uninstalled applications(which includes
1612     *         installed applications as well as applications
1613     *         with data directory ie applications which had been
1614     *         deleted with {@code DONT_DELETE_DATA} flag set).
1615     *
1616     * @see #GET_META_DATA
1617     * @see #GET_SHARED_LIBRARY_FILES
1618     * @see #GET_UNINSTALLED_PACKAGES
1619     */
1620    public abstract ApplicationInfo getApplicationInfo(String packageName,
1621            int flags) throws NameNotFoundException;
1622
1623    /**
1624     * Retrieve all of the information we know about a particular activity
1625     * class.
1626     *
1627     * <p>Throws {@link NameNotFoundException} if an activity with the given
1628     * class name cannot be found on the system.
1629     *
1630     * @param component The full component name (i.e.
1631     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1632     * class.
1633     * @param flags Additional option flags. Use any combination of
1634     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1635     * to modify the data (in ApplicationInfo) returned.
1636     *
1637     * @return {@link ActivityInfo} containing information about the activity.
1638     *
1639     * @see #GET_INTENT_FILTERS
1640     * @see #GET_META_DATA
1641     * @see #GET_SHARED_LIBRARY_FILES
1642     */
1643    public abstract ActivityInfo getActivityInfo(ComponentName component,
1644            int flags) throws NameNotFoundException;
1645
1646    /**
1647     * Retrieve all of the information we know about a particular receiver
1648     * class.
1649     *
1650     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1651     * class name cannot be found on the system.
1652     *
1653     * @param component The full component name (i.e.
1654     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1655     * class.
1656     * @param flags Additional option flags.  Use any combination of
1657     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1658     * to modify the data returned.
1659     *
1660     * @return {@link ActivityInfo} containing information about the receiver.
1661     *
1662     * @see #GET_INTENT_FILTERS
1663     * @see #GET_META_DATA
1664     * @see #GET_SHARED_LIBRARY_FILES
1665     */
1666    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1667            int flags) throws NameNotFoundException;
1668
1669    /**
1670     * Retrieve all of the information we know about a particular service
1671     * class.
1672     *
1673     * <p>Throws {@link NameNotFoundException} if a service with the given
1674     * class name cannot be found on the system.
1675     *
1676     * @param component The full component name (i.e.
1677     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1678     * class.
1679     * @param flags Additional option flags.  Use any combination of
1680     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1681     * to modify the data returned.
1682     *
1683     * @return ServiceInfo containing information about the service.
1684     *
1685     * @see #GET_META_DATA
1686     * @see #GET_SHARED_LIBRARY_FILES
1687     */
1688    public abstract ServiceInfo getServiceInfo(ComponentName component,
1689            int flags) throws NameNotFoundException;
1690
1691    /**
1692     * Retrieve all of the information we know about a particular content
1693     * provider class.
1694     *
1695     * <p>Throws {@link NameNotFoundException} if a provider with the given
1696     * class name cannot be found on the system.
1697     *
1698     * @param component The full component name (i.e.
1699     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1700     * ContentProvider class.
1701     * @param flags Additional option flags.  Use any combination of
1702     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1703     * to modify the data returned.
1704     *
1705     * @return ProviderInfo containing information about the service.
1706     *
1707     * @see #GET_META_DATA
1708     * @see #GET_SHARED_LIBRARY_FILES
1709     */
1710    public abstract ProviderInfo getProviderInfo(ComponentName component,
1711            int flags) throws NameNotFoundException;
1712
1713    /**
1714     * Return a List of all packages that are installed
1715     * on the device.
1716     *
1717     * @param flags Additional option flags. Use any combination of
1718     * {@link #GET_ACTIVITIES},
1719     * {@link #GET_GIDS},
1720     * {@link #GET_CONFIGURATIONS},
1721     * {@link #GET_INSTRUMENTATION},
1722     * {@link #GET_PERMISSIONS},
1723     * {@link #GET_PROVIDERS},
1724     * {@link #GET_RECEIVERS},
1725     * {@link #GET_SERVICES},
1726     * {@link #GET_SIGNATURES},
1727     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1728     *
1729     * @return A List of PackageInfo objects, one for each package that is
1730     *         installed on the device.  In the unlikely case of there being no
1731     *         installed packages, an empty list is returned.
1732     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1733     *         applications including those deleted with {@code DONT_DELETE_DATA}
1734     *         (partially installed apps with data directory) will be returned.
1735     *
1736     * @see #GET_ACTIVITIES
1737     * @see #GET_GIDS
1738     * @see #GET_CONFIGURATIONS
1739     * @see #GET_INSTRUMENTATION
1740     * @see #GET_PERMISSIONS
1741     * @see #GET_PROVIDERS
1742     * @see #GET_RECEIVERS
1743     * @see #GET_SERVICES
1744     * @see #GET_SIGNATURES
1745     * @see #GET_UNINSTALLED_PACKAGES
1746     */
1747    public abstract List<PackageInfo> getInstalledPackages(int flags);
1748
1749    /**
1750     * Return a List of all installed packages that are currently
1751     * holding any of the given permissions.
1752     *
1753     * @param flags Additional option flags. Use any combination of
1754     * {@link #GET_ACTIVITIES},
1755     * {@link #GET_GIDS},
1756     * {@link #GET_CONFIGURATIONS},
1757     * {@link #GET_INSTRUMENTATION},
1758     * {@link #GET_PERMISSIONS},
1759     * {@link #GET_PROVIDERS},
1760     * {@link #GET_RECEIVERS},
1761     * {@link #GET_SERVICES},
1762     * {@link #GET_SIGNATURES},
1763     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1764     *
1765     * @return Returns a List of PackageInfo objects, one for each installed
1766     * application that is holding any of the permissions that were provided.
1767     *
1768     * @see #GET_ACTIVITIES
1769     * @see #GET_GIDS
1770     * @see #GET_CONFIGURATIONS
1771     * @see #GET_INSTRUMENTATION
1772     * @see #GET_PERMISSIONS
1773     * @see #GET_PROVIDERS
1774     * @see #GET_RECEIVERS
1775     * @see #GET_SERVICES
1776     * @see #GET_SIGNATURES
1777     * @see #GET_UNINSTALLED_PACKAGES
1778     */
1779    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1780            String[] permissions, int flags);
1781
1782    /**
1783     * Return a List of all packages that are installed on the device, for a specific user.
1784     * Requesting a list of installed packages for another user
1785     * will require the permission INTERACT_ACROSS_USERS_FULL.
1786     * @param flags Additional option flags. Use any combination of
1787     * {@link #GET_ACTIVITIES},
1788     * {@link #GET_GIDS},
1789     * {@link #GET_CONFIGURATIONS},
1790     * {@link #GET_INSTRUMENTATION},
1791     * {@link #GET_PERMISSIONS},
1792     * {@link #GET_PROVIDERS},
1793     * {@link #GET_RECEIVERS},
1794     * {@link #GET_SERVICES},
1795     * {@link #GET_SIGNATURES},
1796     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1797     * @param userId The user for whom the installed packages are to be listed
1798     *
1799     * @return A List of PackageInfo objects, one for each package that is
1800     *         installed on the device.  In the unlikely case of there being no
1801     *         installed packages, an empty list is returned.
1802     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1803     *         applications including those deleted with {@code DONT_DELETE_DATA}
1804     *         (partially installed apps with data directory) will be returned.
1805     *
1806     * @see #GET_ACTIVITIES
1807     * @see #GET_GIDS
1808     * @see #GET_CONFIGURATIONS
1809     * @see #GET_INSTRUMENTATION
1810     * @see #GET_PERMISSIONS
1811     * @see #GET_PROVIDERS
1812     * @see #GET_RECEIVERS
1813     * @see #GET_SERVICES
1814     * @see #GET_SIGNATURES
1815     * @see #GET_UNINSTALLED_PACKAGES
1816     *
1817     * @hide
1818     */
1819    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1820
1821    /**
1822     * Check whether a particular package has been granted a particular
1823     * permission.
1824     *
1825     * @param permName The name of the permission you are checking for,
1826     * @param pkgName The name of the package you are checking against.
1827     *
1828     * @return If the package has the permission, PERMISSION_GRANTED is
1829     * returned.  If it does not have the permission, PERMISSION_DENIED
1830     * is returned.
1831     *
1832     * @see #PERMISSION_GRANTED
1833     * @see #PERMISSION_DENIED
1834     */
1835    public abstract int checkPermission(String permName, String pkgName);
1836
1837    /**
1838     * Add a new dynamic permission to the system.  For this to work, your
1839     * package must have defined a permission tree through the
1840     * {@link android.R.styleable#AndroidManifestPermissionTree
1841     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1842     * permissions to trees that were defined by either its own package or
1843     * another with the same user id; a permission is in a tree if it
1844     * matches the name of the permission tree + ".": for example,
1845     * "com.foo.bar" is a member of the permission tree "com.foo".
1846     *
1847     * <p>It is good to make your permission tree name descriptive, because you
1848     * are taking possession of that entire set of permission names.  Thus, it
1849     * must be under a domain you control, with a suffix that will not match
1850     * any normal permissions that may be declared in any applications that
1851     * are part of that domain.
1852     *
1853     * <p>New permissions must be added before
1854     * any .apks are installed that use those permissions.  Permissions you
1855     * add through this method are remembered across reboots of the device.
1856     * If the given permission already exists, the info you supply here
1857     * will be used to update it.
1858     *
1859     * @param info Description of the permission to be added.
1860     *
1861     * @return Returns true if a new permission was created, false if an
1862     * existing one was updated.
1863     *
1864     * @throws SecurityException if you are not allowed to add the
1865     * given permission name.
1866     *
1867     * @see #removePermission(String)
1868     */
1869    public abstract boolean addPermission(PermissionInfo info);
1870
1871    /**
1872     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1873     * persists the package manager state after returning from the call,
1874     * allowing it to return quicker and batch a series of adds at the
1875     * expense of no guarantee the added permission will be retained if
1876     * the device is rebooted before it is written.
1877     */
1878    public abstract boolean addPermissionAsync(PermissionInfo info);
1879
1880    /**
1881     * Removes a permission that was previously added with
1882     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1883     * -- you are only allowed to remove permissions that you are allowed
1884     * to add.
1885     *
1886     * @param name The name of the permission to remove.
1887     *
1888     * @throws SecurityException if you are not allowed to remove the
1889     * given permission name.
1890     *
1891     * @see #addPermission(PermissionInfo)
1892     */
1893    public abstract void removePermission(String name);
1894
1895    /**
1896     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1897     * which prompts the user to grant {@code permissions} to this application.
1898     * @hide
1899     *
1900     * @throws NullPointerException if {@code permissions} is {@code null}.
1901     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1902     */
1903    public Intent buildPermissionRequestIntent(String... permissions) {
1904        if (permissions == null) {
1905            throw new NullPointerException("permissions cannot be null");
1906        }
1907        for (String permission : permissions) {
1908            if (permission == null) {
1909                throw new IllegalArgumentException("permissions cannot contain null");
1910            }
1911        }
1912
1913        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1914        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1915        i.setPackage("com.android.packageinstaller");
1916        return i;
1917    }
1918
1919    /**
1920     * Grant a permission to an application which the application does not
1921     * already have.  The permission must have been requested by the application,
1922     * but as an optional permission.  If the application is not allowed to
1923     * hold the permission, a SecurityException is thrown.
1924     * @hide
1925     *
1926     * @param packageName The name of the package that the permission will be
1927     * granted to.
1928     * @param permissionName The name of the permission.
1929     */
1930    public abstract void grantPermission(String packageName, String permissionName);
1931
1932    /**
1933     * Revoke a permission that was previously granted by {@link #grantPermission}.
1934     * @hide
1935     *
1936     * @param packageName The name of the package that the permission will be
1937     * granted to.
1938     * @param permissionName The name of the permission.
1939     */
1940    public abstract void revokePermission(String packageName, String permissionName);
1941
1942    /**
1943     * Compare the signatures of two packages to determine if the same
1944     * signature appears in both of them.  If they do contain the same
1945     * signature, then they are allowed special privileges when working
1946     * with each other: they can share the same user-id, run instrumentation
1947     * against each other, etc.
1948     *
1949     * @param pkg1 First package name whose signature will be compared.
1950     * @param pkg2 Second package name whose signature will be compared.
1951     *
1952     * @return Returns an integer indicating whether all signatures on the
1953     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1954     * all signatures match or < 0 if there is not a match ({@link
1955     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1956     *
1957     * @see #checkSignatures(int, int)
1958     * @see #SIGNATURE_MATCH
1959     * @see #SIGNATURE_NO_MATCH
1960     * @see #SIGNATURE_UNKNOWN_PACKAGE
1961     */
1962    public abstract int checkSignatures(String pkg1, String pkg2);
1963
1964    /**
1965     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1966     * the two packages to be checked.  This can be useful, for example,
1967     * when doing the check in an IPC, where the UID is the only identity
1968     * available.  It is functionally identical to determining the package
1969     * associated with the UIDs and checking their signatures.
1970     *
1971     * @param uid1 First UID whose signature will be compared.
1972     * @param uid2 Second UID whose signature will be compared.
1973     *
1974     * @return Returns an integer indicating whether all signatures on the
1975     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1976     * all signatures match or < 0 if there is not a match ({@link
1977     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1978     *
1979     * @see #checkSignatures(String, String)
1980     * @see #SIGNATURE_MATCH
1981     * @see #SIGNATURE_NO_MATCH
1982     * @see #SIGNATURE_UNKNOWN_PACKAGE
1983     */
1984    public abstract int checkSignatures(int uid1, int uid2);
1985
1986    /**
1987     * Retrieve the names of all packages that are associated with a particular
1988     * user id.  In most cases, this will be a single package name, the package
1989     * that has been assigned that user id.  Where there are multiple packages
1990     * sharing the same user id through the "sharedUserId" mechanism, all
1991     * packages with that id will be returned.
1992     *
1993     * @param uid The user id for which you would like to retrieve the
1994     * associated packages.
1995     *
1996     * @return Returns an array of one or more packages assigned to the user
1997     * id, or null if there are no known packages with the given id.
1998     */
1999    public abstract String[] getPackagesForUid(int uid);
2000
2001    /**
2002     * Retrieve the official name associated with a user id.  This name is
2003     * guaranteed to never change, though it is possibly for the underlying
2004     * user id to be changed.  That is, if you are storing information about
2005     * user ids in persistent storage, you should use the string returned
2006     * by this function instead of the raw user-id.
2007     *
2008     * @param uid The user id for which you would like to retrieve a name.
2009     * @return Returns a unique name for the given user id, or null if the
2010     * user id is not currently assigned.
2011     */
2012    public abstract String getNameForUid(int uid);
2013
2014    /**
2015     * Return the user id associated with a shared user name. Multiple
2016     * applications can specify a shared user name in their manifest and thus
2017     * end up using a common uid. This might be used for new applications
2018     * that use an existing shared user name and need to know the uid of the
2019     * shared user.
2020     *
2021     * @param sharedUserName The shared user name whose uid is to be retrieved.
2022     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2023     * if the shared user name is not being used by any installed packages
2024     * @hide
2025     */
2026    public abstract int getUidForSharedUser(String sharedUserName)
2027            throws NameNotFoundException;
2028
2029    /**
2030     * Return a List of all application packages that are installed on the
2031     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2032     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2033     * installed apps with data directory) will be returned.
2034     *
2035     * @param flags Additional option flags. Use any combination of
2036     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2037     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2038     *
2039     * @return Returns a List of ApplicationInfo objects, one for each application that
2040     *         is installed on the device.  In the unlikely case of there being
2041     *         no installed applications, an empty list is returned.
2042     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2043     *         applications including those deleted with {@code DONT_DELETE_DATA}
2044     *         (partially installed apps with data directory) will be returned.
2045     *
2046     * @see #GET_META_DATA
2047     * @see #GET_SHARED_LIBRARY_FILES
2048     * @see #GET_UNINSTALLED_PACKAGES
2049     */
2050    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2051
2052    /**
2053     * Get a list of shared libraries that are available on the
2054     * system.
2055     *
2056     * @return An array of shared library names that are
2057     * available on the system, or null if none are installed.
2058     *
2059     */
2060    public abstract String[] getSystemSharedLibraryNames();
2061
2062    /**
2063     * Get a list of features that are available on the
2064     * system.
2065     *
2066     * @return An array of FeatureInfo classes describing the features
2067     * that are available on the system, or null if there are none(!!).
2068     */
2069    public abstract FeatureInfo[] getSystemAvailableFeatures();
2070
2071    /**
2072     * Check whether the given feature name is one of the available
2073     * features as returned by {@link #getSystemAvailableFeatures()}.
2074     *
2075     * @return Returns true if the devices supports the feature, else
2076     * false.
2077     */
2078    public abstract boolean hasSystemFeature(String name);
2079
2080    /**
2081     * Determine the best action to perform for a given Intent.  This is how
2082     * {@link Intent#resolveActivity} finds an activity if a class has not
2083     * been explicitly specified.
2084     *
2085     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2086     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2087     * only flag.  You need to do so to resolve the activity in the same way
2088     * that {@link android.content.Context#startActivity(Intent)} and
2089     * {@link android.content.Intent#resolveActivity(PackageManager)
2090     * Intent.resolveActivity(PackageManager)} do.</p>
2091     *
2092     * @param intent An intent containing all of the desired specification
2093     *               (action, data, type, category, and/or component).
2094     * @param flags Additional option flags.  The most important is
2095     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2096     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2097     *
2098     * @return Returns a ResolveInfo containing the final activity intent that
2099     *         was determined to be the best action.  Returns null if no
2100     *         matching activity was found. If multiple matching activities are
2101     *         found and there is no default set, returns a ResolveInfo
2102     *         containing something else, such as the activity resolver.
2103     *
2104     * @see #MATCH_DEFAULT_ONLY
2105     * @see #GET_INTENT_FILTERS
2106     * @see #GET_RESOLVED_FILTER
2107     */
2108    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2109
2110    /**
2111     * Determine the best action to perform for a given Intent for a given user. This
2112     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2113     * been explicitly specified.
2114     *
2115     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2116     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2117     * only flag.  You need to do so to resolve the activity in the same way
2118     * that {@link android.content.Context#startActivity(Intent)} and
2119     * {@link android.content.Intent#resolveActivity(PackageManager)
2120     * Intent.resolveActivity(PackageManager)} do.</p>
2121     *
2122     * @param intent An intent containing all of the desired specification
2123     *               (action, data, type, category, and/or component).
2124     * @param flags Additional option flags.  The most important is
2125     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2126     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2127     * @param userId The user id.
2128     *
2129     * @return Returns a ResolveInfo containing the final activity intent that
2130     *         was determined to be the best action.  Returns null if no
2131     *         matching activity was found. If multiple matching activities are
2132     *         found and there is no default set, returns a ResolveInfo
2133     *         containing something else, such as the activity resolver.
2134     *
2135     * @see #MATCH_DEFAULT_ONLY
2136     * @see #GET_INTENT_FILTERS
2137     * @see #GET_RESOLVED_FILTER
2138     *
2139     * @hide
2140     */
2141    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2142
2143    /**
2144     * Retrieve all activities that can be performed for the given intent.
2145     *
2146     * @param intent The desired intent as per resolveActivity().
2147     * @param flags Additional option flags.  The most important is
2148     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2149     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2150     *
2151     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2152     *         Activity. These are ordered from best to worst match -- that
2153     *         is, the first item in the list is what is returned by
2154     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2155     *         list is returned.
2156     *
2157     * @see #MATCH_DEFAULT_ONLY
2158     * @see #GET_INTENT_FILTERS
2159     * @see #GET_RESOLVED_FILTER
2160     */
2161    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2162            int flags);
2163
2164    /**
2165     * Retrieve all activities that can be performed for the given intent, for a specific user.
2166     *
2167     * @param intent The desired intent as per resolveActivity().
2168     * @param flags Additional option flags.  The most important is
2169     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2170     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2171     *
2172     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2173     *         Activity. These are ordered from best to worst match -- that
2174     *         is, the first item in the list is what is returned by
2175     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2176     *         list is returned.
2177     *
2178     * @see #MATCH_DEFAULT_ONLY
2179     * @see #GET_INTENT_FILTERS
2180     * @see #GET_RESOLVED_FILTER
2181     * @hide
2182     */
2183    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2184            int flags, int userId);
2185
2186
2187    /**
2188     * Retrieve a set of activities that should be presented to the user as
2189     * similar options.  This is like {@link #queryIntentActivities}, except it
2190     * also allows you to supply a list of more explicit Intents that you would
2191     * like to resolve to particular options, and takes care of returning the
2192     * final ResolveInfo list in a reasonable order, with no duplicates, based
2193     * on those inputs.
2194     *
2195     * @param caller The class name of the activity that is making the
2196     *               request.  This activity will never appear in the output
2197     *               list.  Can be null.
2198     * @param specifics An array of Intents that should be resolved to the
2199     *                  first specific results.  Can be null.
2200     * @param intent The desired intent as per resolveActivity().
2201     * @param flags Additional option flags.  The most important is
2202     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2203     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2204     *
2205     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2206     *         Activity. These are ordered first by all of the intents resolved
2207     *         in <var>specifics</var> and then any additional activities that
2208     *         can handle <var>intent</var> but did not get included by one of
2209     *         the <var>specifics</var> intents.  If there are no matching
2210     *         activities, an empty list is returned.
2211     *
2212     * @see #MATCH_DEFAULT_ONLY
2213     * @see #GET_INTENT_FILTERS
2214     * @see #GET_RESOLVED_FILTER
2215     */
2216    public abstract List<ResolveInfo> queryIntentActivityOptions(
2217            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2218
2219    /**
2220     * Retrieve all receivers that can handle a broadcast of the given intent.
2221     *
2222     * @param intent The desired intent as per resolveActivity().
2223     * @param flags Additional option flags.
2224     *
2225     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2226     *         Receiver. These are ordered from first to last in priority.  If
2227     *         there are no matching receivers, an empty list is returned.
2228     *
2229     * @see #MATCH_DEFAULT_ONLY
2230     * @see #GET_INTENT_FILTERS
2231     * @see #GET_RESOLVED_FILTER
2232     */
2233    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2234            int flags);
2235
2236    /**
2237     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2238     * user.
2239     *
2240     * @param intent The desired intent as per resolveActivity().
2241     * @param flags Additional option flags.
2242     * @param userId The userId of the user being queried.
2243     *
2244     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2245     *         Receiver. These are ordered from first to last in priority.  If
2246     *         there are no matching receivers, an empty list is returned.
2247     *
2248     * @see #MATCH_DEFAULT_ONLY
2249     * @see #GET_INTENT_FILTERS
2250     * @see #GET_RESOLVED_FILTER
2251     * @hide
2252     */
2253    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2254            int flags, int userId);
2255
2256    /**
2257     * Determine the best service to handle for a given Intent.
2258     *
2259     * @param intent An intent containing all of the desired specification
2260     *               (action, data, type, category, and/or component).
2261     * @param flags Additional option flags.
2262     *
2263     * @return Returns a ResolveInfo containing the final service intent that
2264     *         was determined to be the best action.  Returns null if no
2265     *         matching service was found.
2266     *
2267     * @see #GET_INTENT_FILTERS
2268     * @see #GET_RESOLVED_FILTER
2269     */
2270    public abstract ResolveInfo resolveService(Intent intent, int flags);
2271
2272    /**
2273     * Retrieve all services that can match the given intent.
2274     *
2275     * @param intent The desired intent as per resolveService().
2276     * @param flags Additional option flags.
2277     *
2278     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2279     *         ServiceInfo. These are ordered from best to worst match -- that
2280     *         is, the first item in the list is what is returned by
2281     *         resolveService().  If there are no matching services, an empty
2282     *         list is returned.
2283     *
2284     * @see #GET_INTENT_FILTERS
2285     * @see #GET_RESOLVED_FILTER
2286     */
2287    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2288            int flags);
2289
2290    /**
2291     * Retrieve all services that can match the given intent for a given user.
2292     *
2293     * @param intent The desired intent as per resolveService().
2294     * @param flags Additional option flags.
2295     * @param userId The user id.
2296     *
2297     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2298     *         ServiceInfo. These are ordered from best to worst match -- that
2299     *         is, the first item in the list is what is returned by
2300     *         resolveService().  If there are no matching services, an empty
2301     *         list is returned.
2302     *
2303     * @see #GET_INTENT_FILTERS
2304     * @see #GET_RESOLVED_FILTER
2305     *
2306     * @hide
2307     */
2308    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2309            int flags, int userId);
2310
2311    /** {@hide} */
2312    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2313            Intent intent, int flags, int userId);
2314
2315    /**
2316     * Retrieve all providers that can match the given intent.
2317     *
2318     * @param intent An intent containing all of the desired specification
2319     *            (action, data, type, category, and/or component).
2320     * @param flags Additional option flags.
2321     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2322     *         ProviderInfo. These are ordered from best to worst match. If
2323     *         there are no matching providers, an empty list is returned.
2324     * @see #GET_INTENT_FILTERS
2325     * @see #GET_RESOLVED_FILTER
2326     */
2327    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2328
2329    /**
2330     * Find a single content provider by its base path name.
2331     *
2332     * @param name The name of the provider to find.
2333     * @param flags Additional option flags.  Currently should always be 0.
2334     *
2335     * @return ContentProviderInfo Information about the provider, if found,
2336     *         else null.
2337     */
2338    public abstract ProviderInfo resolveContentProvider(String name,
2339            int flags);
2340
2341    /**
2342     * Retrieve content provider information.
2343     *
2344     * <p><em>Note: unlike most other methods, an empty result set is indicated
2345     * by a null return instead of an empty list.</em>
2346     *
2347     * @param processName If non-null, limits the returned providers to only
2348     *                    those that are hosted by the given process.  If null,
2349     *                    all content providers are returned.
2350     * @param uid If <var>processName</var> is non-null, this is the required
2351     *        uid owning the requested content providers.
2352     * @param flags Additional option flags.  Currently should always be 0.
2353     *
2354     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2355     *         content provider either patching <var>processName</var> or, if
2356     *         <var>processName</var> is null, all known content providers.
2357     *         <em>If there are no matching providers, null is returned.</em>
2358     */
2359    public abstract List<ProviderInfo> queryContentProviders(
2360            String processName, int uid, int flags);
2361
2362    /**
2363     * Retrieve all of the information we know about a particular
2364     * instrumentation class.
2365     *
2366     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2367     * given class name cannot be found on the system.
2368     *
2369     * @param className The full name (i.e.
2370     *                  com.google.apps.contacts.InstrumentList) of an
2371     *                  Instrumentation class.
2372     * @param flags Additional option flags.  Currently should always be 0.
2373     *
2374     * @return InstrumentationInfo containing information about the
2375     *         instrumentation.
2376     */
2377    public abstract InstrumentationInfo getInstrumentationInfo(
2378            ComponentName className, int flags) throws NameNotFoundException;
2379
2380    /**
2381     * Retrieve information about available instrumentation code.  May be used
2382     * to retrieve either all instrumentation code, or only the code targeting
2383     * a particular package.
2384     *
2385     * @param targetPackage If null, all instrumentation is returned; only the
2386     *                      instrumentation targeting this package name is
2387     *                      returned.
2388     * @param flags Additional option flags.  Currently should always be 0.
2389     *
2390     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2391     *         matching available Instrumentation.  Returns an empty list if
2392     *         there is no instrumentation available for the given package.
2393     */
2394    public abstract List<InstrumentationInfo> queryInstrumentation(
2395            String targetPackage, int flags);
2396
2397    /**
2398     * Retrieve an image from a package.  This is a low-level API used by
2399     * the various package manager info structures (such as
2400     * {@link ComponentInfo} to implement retrieval of their associated
2401     * icon.
2402     *
2403     * @param packageName The name of the package that this icon is coming from.
2404     * Cannot be null.
2405     * @param resid The resource identifier of the desired image.  Cannot be 0.
2406     * @param appInfo Overall information about <var>packageName</var>.  This
2407     * may be null, in which case the application information will be retrieved
2408     * for you if needed; if you already have this information around, it can
2409     * be much more efficient to supply it here.
2410     *
2411     * @return Returns a Drawable holding the requested image.  Returns null if
2412     * an image could not be found for any reason.
2413     */
2414    public abstract Drawable getDrawable(String packageName, int resid,
2415            ApplicationInfo appInfo);
2416
2417    /**
2418     * Retrieve the icon associated with an activity.  Given the full name of
2419     * an activity, retrieves the information about it and calls
2420     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2421     * If the activity cannot be found, NameNotFoundException is thrown.
2422     *
2423     * @param activityName Name of the activity whose icon is to be retrieved.
2424     *
2425     * @return Returns the image of the icon, or the default activity icon if
2426     * it could not be found.  Does not return null.
2427     * @throws NameNotFoundException Thrown if the resources for the given
2428     * activity could not be loaded.
2429     *
2430     * @see #getActivityIcon(Intent)
2431     */
2432    public abstract Drawable getActivityIcon(ComponentName activityName)
2433            throws NameNotFoundException;
2434
2435    /**
2436     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2437     * set, this simply returns the result of
2438     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2439     * component and returns the icon associated with the resolved component.
2440     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2441     * to a component, NameNotFoundException is thrown.
2442     *
2443     * @param intent The intent for which you would like to retrieve an icon.
2444     *
2445     * @return Returns the image of the icon, or the default activity icon if
2446     * it could not be found.  Does not return null.
2447     * @throws NameNotFoundException Thrown if the resources for application
2448     * matching the given intent could not be loaded.
2449     *
2450     * @see #getActivityIcon(ComponentName)
2451     */
2452    public abstract Drawable getActivityIcon(Intent intent)
2453            throws NameNotFoundException;
2454
2455    /**
2456     * Retrieve the banner associated with an activity. Given the full name of
2457     * an activity, retrieves the information about it and calls
2458     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2459     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2460     *
2461     * @param activityName Name of the activity whose banner is to be retrieved.
2462     * @return Returns the image of the banner, or null if the activity has no
2463     *         banner specified.
2464     * @throws NameNotFoundException Thrown if the resources for the given
2465     *             activity could not be loaded.
2466     * @see #getActivityBanner(Intent)
2467     */
2468    public abstract Drawable getActivityBanner(ComponentName activityName)
2469            throws NameNotFoundException;
2470
2471    /**
2472     * Retrieve the banner associated with an Intent. If intent.getClassName()
2473     * is set, this simply returns the result of
2474     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2475     * intent's component and returns the banner associated with the resolved
2476     * component. If intent.getClassName() cannot be found or the Intent cannot
2477     * be resolved to a component, NameNotFoundException is thrown.
2478     *
2479     * @param intent The intent for which you would like to retrieve a banner.
2480     * @return Returns the image of the banner, or null if the activity has no
2481     *         banner specified.
2482     * @throws NameNotFoundException Thrown if the resources for application
2483     *             matching the given intent could not be loaded.
2484     * @see #getActivityBanner(ComponentName)
2485     */
2486    public abstract Drawable getActivityBanner(Intent intent)
2487            throws NameNotFoundException;
2488
2489    /**
2490     * Return the generic icon for an activity that is used when no specific
2491     * icon is defined.
2492     *
2493     * @return Drawable Image of the icon.
2494     */
2495    public abstract Drawable getDefaultActivityIcon();
2496
2497    /**
2498     * Retrieve the icon associated with an application.  If it has not defined
2499     * an icon, the default app icon is returned.  Does not return null.
2500     *
2501     * @param info Information about application being queried.
2502     *
2503     * @return Returns the image of the icon, or the default application icon
2504     * if it could not be found.
2505     *
2506     * @see #getApplicationIcon(String)
2507     */
2508    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2509
2510    /**
2511     * Retrieve the icon associated with an application.  Given the name of the
2512     * application's package, retrieves the information about it and calls
2513     * getApplicationIcon() to return its icon. If the application cannot be
2514     * found, NameNotFoundException is thrown.
2515     *
2516     * @param packageName Name of the package whose application icon is to be
2517     *                    retrieved.
2518     *
2519     * @return Returns the image of the icon, or the default application icon
2520     * if it could not be found.  Does not return null.
2521     * @throws NameNotFoundException Thrown if the resources for the given
2522     * application could not be loaded.
2523     *
2524     * @see #getApplicationIcon(ApplicationInfo)
2525     */
2526    public abstract Drawable getApplicationIcon(String packageName)
2527            throws NameNotFoundException;
2528
2529    /**
2530     * Retrieve the banner associated with an application.
2531     *
2532     * @param info Information about application being queried.
2533     * @return Returns the image of the banner or null if the application has no
2534     *         banner specified.
2535     * @see #getApplicationBanner(String)
2536     */
2537    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2538
2539    /**
2540     * Retrieve the banner associated with an application. Given the name of the
2541     * application's package, retrieves the information about it and calls
2542     * getApplicationIcon() to return its banner. If the application cannot be
2543     * found, NameNotFoundException is thrown.
2544     *
2545     * @param packageName Name of the package whose application banner is to be
2546     *            retrieved.
2547     * @return Returns the image of the banner or null if the application has no
2548     *         banner specified.
2549     * @throws NameNotFoundException Thrown if the resources for the given
2550     *             application could not be loaded.
2551     * @see #getApplicationBanner(ApplicationInfo)
2552     */
2553    public abstract Drawable getApplicationBanner(String packageName)
2554            throws NameNotFoundException;
2555
2556    /**
2557     * Retrieve the logo associated with an activity. Given the full name of an
2558     * activity, retrieves the information about it and calls
2559     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2560     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2561     *
2562     * @param activityName Name of the activity whose logo is to be retrieved.
2563     * @return Returns the image of the logo or null if the activity has no logo
2564     *         specified.
2565     * @throws NameNotFoundException Thrown if the resources for the given
2566     *             activity could not be loaded.
2567     * @see #getActivityLogo(Intent)
2568     */
2569    public abstract Drawable getActivityLogo(ComponentName activityName)
2570            throws NameNotFoundException;
2571
2572    /**
2573     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2574     * set, this simply returns the result of
2575     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2576     * component and returns the logo associated with the resolved component.
2577     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2578     * to a component, NameNotFoundException is thrown.
2579     *
2580     * @param intent The intent for which you would like to retrieve a logo.
2581     *
2582     * @return Returns the image of the logo, or null if the activity has no
2583     * logo specified.
2584     *
2585     * @throws NameNotFoundException Thrown if the resources for application
2586     * matching the given intent could not be loaded.
2587     *
2588     * @see #getActivityLogo(ComponentName)
2589     */
2590    public abstract Drawable getActivityLogo(Intent intent)
2591            throws NameNotFoundException;
2592
2593    /**
2594     * Retrieve the logo associated with an application.  If it has not specified
2595     * a logo, this method returns null.
2596     *
2597     * @param info Information about application being queried.
2598     *
2599     * @return Returns the image of the logo, or null if no logo is specified
2600     * by the application.
2601     *
2602     * @see #getApplicationLogo(String)
2603     */
2604    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2605
2606    /**
2607     * Retrieve the logo associated with an application.  Given the name of the
2608     * application's package, retrieves the information about it and calls
2609     * getApplicationLogo() to return its logo. If the application cannot be
2610     * found, NameNotFoundException is thrown.
2611     *
2612     * @param packageName Name of the package whose application logo is to be
2613     *                    retrieved.
2614     *
2615     * @return Returns the image of the logo, or null if no application logo
2616     * has been specified.
2617     *
2618     * @throws NameNotFoundException Thrown if the resources for the given
2619     * application could not be loaded.
2620     *
2621     * @see #getApplicationLogo(ApplicationInfo)
2622     */
2623    public abstract Drawable getApplicationLogo(String packageName)
2624            throws NameNotFoundException;
2625
2626    /**
2627     * Retrieve text from a package.  This is a low-level API used by
2628     * the various package manager info structures (such as
2629     * {@link ComponentInfo} to implement retrieval of their associated
2630     * labels and other text.
2631     *
2632     * @param packageName The name of the package that this text is coming from.
2633     * Cannot be null.
2634     * @param resid The resource identifier of the desired text.  Cannot be 0.
2635     * @param appInfo Overall information about <var>packageName</var>.  This
2636     * may be null, in which case the application information will be retrieved
2637     * for you if needed; if you already have this information around, it can
2638     * be much more efficient to supply it here.
2639     *
2640     * @return Returns a CharSequence holding the requested text.  Returns null
2641     * if the text could not be found for any reason.
2642     */
2643    public abstract CharSequence getText(String packageName, int resid,
2644            ApplicationInfo appInfo);
2645
2646    /**
2647     * Retrieve an XML file from a package.  This is a low-level API used to
2648     * retrieve XML meta data.
2649     *
2650     * @param packageName The name of the package that this xml is coming from.
2651     * Cannot be null.
2652     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2653     * @param appInfo Overall information about <var>packageName</var>.  This
2654     * may be null, in which case the application information will be retrieved
2655     * for you if needed; if you already have this information around, it can
2656     * be much more efficient to supply it here.
2657     *
2658     * @return Returns an XmlPullParser allowing you to parse out the XML
2659     * data.  Returns null if the xml resource could not be found for any
2660     * reason.
2661     */
2662    public abstract XmlResourceParser getXml(String packageName, int resid,
2663            ApplicationInfo appInfo);
2664
2665    /**
2666     * Return the label to use for this application.
2667     *
2668     * @return Returns the label associated with this application, or null if
2669     * it could not be found for any reason.
2670     * @param info The application to get the label of.
2671     */
2672    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2673
2674    /**
2675     * Retrieve the resources associated with an activity.  Given the full
2676     * name of an activity, retrieves the information about it and calls
2677     * getResources() to return its application's resources.  If the activity
2678     * cannot be found, NameNotFoundException is thrown.
2679     *
2680     * @param activityName Name of the activity whose resources are to be
2681     *                     retrieved.
2682     *
2683     * @return Returns the application's Resources.
2684     * @throws NameNotFoundException Thrown if the resources for the given
2685     * application could not be loaded.
2686     *
2687     * @see #getResourcesForApplication(ApplicationInfo)
2688     */
2689    public abstract Resources getResourcesForActivity(ComponentName activityName)
2690            throws NameNotFoundException;
2691
2692    /**
2693     * Retrieve the resources for an application.  Throws NameNotFoundException
2694     * if the package is no longer installed.
2695     *
2696     * @param app Information about the desired application.
2697     *
2698     * @return Returns the application's Resources.
2699     * @throws NameNotFoundException Thrown if the resources for the given
2700     * application could not be loaded (most likely because it was uninstalled).
2701     */
2702    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2703            throws NameNotFoundException;
2704
2705    /**
2706     * Retrieve the resources associated with an application.  Given the full
2707     * package name of an application, retrieves the information about it and
2708     * calls getResources() to return its application's resources.  If the
2709     * appPackageName cannot be found, NameNotFoundException is thrown.
2710     *
2711     * @param appPackageName Package name of the application whose resources
2712     *                       are to be retrieved.
2713     *
2714     * @return Returns the application's Resources.
2715     * @throws NameNotFoundException Thrown if the resources for the given
2716     * application could not be loaded.
2717     *
2718     * @see #getResourcesForApplication(ApplicationInfo)
2719     */
2720    public abstract Resources getResourcesForApplication(String appPackageName)
2721            throws NameNotFoundException;
2722
2723    /** @hide */
2724    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2725            throws NameNotFoundException;
2726
2727    /**
2728     * Retrieve overall information about an application package defined
2729     * in a package archive file
2730     *
2731     * @param archiveFilePath The path to the archive file
2732     * @param flags Additional option flags. Use any combination of
2733     * {@link #GET_ACTIVITIES},
2734     * {@link #GET_GIDS},
2735     * {@link #GET_CONFIGURATIONS},
2736     * {@link #GET_INSTRUMENTATION},
2737     * {@link #GET_PERMISSIONS},
2738     * {@link #GET_PROVIDERS},
2739     * {@link #GET_RECEIVERS},
2740     * {@link #GET_SERVICES},
2741     * {@link #GET_SIGNATURES}, to modify the data returned.
2742     *
2743     * @return Returns the information about the package. Returns
2744     * null if the package could not be successfully parsed.
2745     *
2746     * @see #GET_ACTIVITIES
2747     * @see #GET_GIDS
2748     * @see #GET_CONFIGURATIONS
2749     * @see #GET_INSTRUMENTATION
2750     * @see #GET_PERMISSIONS
2751     * @see #GET_PROVIDERS
2752     * @see #GET_RECEIVERS
2753     * @see #GET_SERVICES
2754     * @see #GET_SIGNATURES
2755     *
2756     */
2757    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2758        PackageParser packageParser = new PackageParser(archiveFilePath);
2759        DisplayMetrics metrics = new DisplayMetrics();
2760        metrics.setToDefaults();
2761        final File sourceFile = new File(archiveFilePath);
2762        PackageParser.Package pkg = packageParser.parsePackage(
2763                sourceFile, archiveFilePath, metrics, 0);
2764        if (pkg == null) {
2765            return null;
2766        }
2767        if ((flags & GET_SIGNATURES) != 0) {
2768            packageParser.collectCertificates(pkg, 0);
2769        }
2770        PackageUserState state = new PackageUserState();
2771        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2772    }
2773
2774    /**
2775     * @hide
2776     *
2777     * Install a package. Since this may take a little while, the result will
2778     * be posted back to the given observer.  An installation will fail if the calling context
2779     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2780     * package named in the package file's manifest is already installed, or if there's no space
2781     * available on the device.
2782     *
2783     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2784     * 'content:' URI.
2785     * @param observer An observer callback to get notified when the package installation is
2786     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2787     * called when that happens.  observer may be null to indicate that no callback is desired.
2788     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2789     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2790     * @param installerPackageName Optional package name of the application that is performing the
2791     * installation. This identifies which market the package came from.
2792     */
2793    public abstract void installPackage(
2794            Uri packageURI, IPackageInstallObserver observer, int flags,
2795            String installerPackageName);
2796
2797    /**
2798     * Similar to
2799     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2800     * with an extra verification file provided.
2801     *
2802     * @param packageURI The location of the package file to install. This can
2803     *            be a 'file:' or a 'content:' URI.
2804     * @param observer An observer callback to get notified when the package
2805     *            installation is complete.
2806     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2807     *            will be called when that happens. observer may be null to
2808     *            indicate that no callback is desired.
2809     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2810     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2811     *            .
2812     * @param installerPackageName Optional package name of the application that
2813     *            is performing the installation. This identifies which market
2814     *            the package came from.
2815     * @param verificationURI The location of the supplementary verification
2816     *            file. This can be a 'file:' or a 'content:' URI. May be
2817     *            {@code null}.
2818     * @param manifestDigest an object that holds the digest of the package
2819     *            which can be used to verify ownership. May be {@code null}.
2820     * @param encryptionParams if the package to be installed is encrypted,
2821     *            these parameters describing the encryption and authentication
2822     *            used. May be {@code null}.
2823     * @hide
2824     */
2825    public abstract void installPackageWithVerification(Uri packageURI,
2826            IPackageInstallObserver observer, int flags, String installerPackageName,
2827            Uri verificationURI, ManifestDigest manifestDigest,
2828            ContainerEncryptionParams encryptionParams);
2829
2830    /**
2831     * Similar to
2832     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2833     * with an extra verification information provided.
2834     *
2835     * @param packageURI The location of the package file to install. This can
2836     *            be a 'file:' or a 'content:' URI.
2837     * @param observer An observer callback to get notified when the package
2838     *            installation is complete.
2839     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2840     *            will be called when that happens. observer may be null to
2841     *            indicate that no callback is desired.
2842     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2843     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2844     *            .
2845     * @param installerPackageName Optional package name of the application that
2846     *            is performing the installation. This identifies which market
2847     *            the package came from.
2848     * @param verificationParams an object that holds signal information to
2849     *            assist verification. May be {@code null}.
2850     * @param encryptionParams if the package to be installed is encrypted,
2851     *            these parameters describing the encryption and authentication
2852     *            used. May be {@code null}.
2853     *
2854     * @hide
2855     */
2856    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2857            IPackageInstallObserver observer, int flags, String installerPackageName,
2858            VerificationParams verificationParams,
2859            ContainerEncryptionParams encryptionParams);
2860
2861    /**
2862     * If there is already an application with the given package name installed
2863     * on the system for other users, also install it for the calling user.
2864     * @hide
2865     */
2866    public abstract int installExistingPackage(String packageName)
2867            throws NameNotFoundException;
2868
2869    /**
2870     * Allows a package listening to the
2871     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2872     * broadcast} to respond to the package manager. The response must include
2873     * the {@code verificationCode} which is one of
2874     * {@link PackageManager#VERIFICATION_ALLOW} or
2875     * {@link PackageManager#VERIFICATION_REJECT}.
2876     *
2877     * @param id pending package identifier as passed via the
2878     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2879     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2880     *            or {@link PackageManager#VERIFICATION_REJECT}.
2881     * @throws SecurityException if the caller does not have the
2882     *            PACKAGE_VERIFICATION_AGENT permission.
2883     */
2884    public abstract void verifyPendingInstall(int id, int verificationCode);
2885
2886    /**
2887     * Allows a package listening to the
2888     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2889     * broadcast} to extend the default timeout for a response and declare what
2890     * action to perform after the timeout occurs. The response must include
2891     * the {@code verificationCodeAtTimeout} which is one of
2892     * {@link PackageManager#VERIFICATION_ALLOW} or
2893     * {@link PackageManager#VERIFICATION_REJECT}.
2894     *
2895     * This method may only be called once per package id. Additional calls
2896     * will have no effect.
2897     *
2898     * @param id pending package identifier as passed via the
2899     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2900     * @param verificationCodeAtTimeout either
2901     *            {@link PackageManager#VERIFICATION_ALLOW} or
2902     *            {@link PackageManager#VERIFICATION_REJECT}. If
2903     *            {@code verificationCodeAtTimeout} is neither
2904     *            {@link PackageManager#VERIFICATION_ALLOW} or
2905     *            {@link PackageManager#VERIFICATION_REJECT}, then
2906     *            {@code verificationCodeAtTimeout} will default to
2907     *            {@link PackageManager#VERIFICATION_REJECT}.
2908     * @param millisecondsToDelay the amount of time requested for the timeout.
2909     *            Must be positive and less than
2910     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2911     *            {@code millisecondsToDelay} is out of bounds,
2912     *            {@code millisecondsToDelay} will be set to the closest in
2913     *            bounds value; namely, 0 or
2914     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2915     * @throws SecurityException if the caller does not have the
2916     *            PACKAGE_VERIFICATION_AGENT permission.
2917     */
2918    public abstract void extendVerificationTimeout(int id,
2919            int verificationCodeAtTimeout, long millisecondsToDelay);
2920
2921    /**
2922     * Change the installer associated with a given package.  There are limitations
2923     * on how the installer package can be changed; in particular:
2924     * <ul>
2925     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2926     * is not signed with the same certificate as the calling application.
2927     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2928     * has an installer package, and that installer package is not signed with
2929     * the same certificate as the calling application.
2930     * </ul>
2931     *
2932     * @param targetPackage The installed package whose installer will be changed.
2933     * @param installerPackageName The package name of the new installer.  May be
2934     * null to clear the association.
2935     */
2936    public abstract void setInstallerPackageName(String targetPackage,
2937            String installerPackageName);
2938
2939    /**
2940     * Attempts to delete a package.  Since this may take a little while, the result will
2941     * be posted back to the given observer.  A deletion will fail if the calling context
2942     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2943     * named package cannot be found, or if the named package is a "system package".
2944     * (TODO: include pointer to documentation on "system packages")
2945     *
2946     * @param packageName The name of the package to delete
2947     * @param observer An observer callback to get notified when the package deletion is
2948     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2949     * called when that happens.  observer may be null to indicate that no callback is desired.
2950     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2951     * {@link #DELETE_ALL_USERS}.
2952     *
2953     * @hide
2954     */
2955    public abstract void deletePackage(
2956            String packageName, IPackageDeleteObserver observer, int flags);
2957
2958    /**
2959     * Retrieve the package name of the application that installed a package. This identifies
2960     * which market the package came from.
2961     *
2962     * @param packageName The name of the package to query
2963     */
2964    public abstract String getInstallerPackageName(String packageName);
2965
2966    /**
2967     * Attempts to clear the user data directory of an application.
2968     * Since this may take a little while, the result will
2969     * be posted back to the given observer.  A deletion will fail if the
2970     * named package cannot be found, or if the named package is a "system package".
2971     *
2972     * @param packageName The name of the package
2973     * @param observer An observer callback to get notified when the operation is finished
2974     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2975     * will be called when that happens.  observer may be null to indicate that
2976     * no callback is desired.
2977     *
2978     * @hide
2979     */
2980    public abstract void clearApplicationUserData(String packageName,
2981            IPackageDataObserver observer);
2982    /**
2983     * Attempts to delete the cache files associated with an application.
2984     * Since this may take a little while, the result will
2985     * be posted back to the given observer.  A deletion will fail if the calling context
2986     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2987     * named package cannot be found, or if the named package is a "system package".
2988     *
2989     * @param packageName The name of the package to delete
2990     * @param observer An observer callback to get notified when the cache file deletion
2991     * is complete.
2992     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2993     * will be called when that happens.  observer may be null to indicate that
2994     * no callback is desired.
2995     *
2996     * @hide
2997     */
2998    public abstract void deleteApplicationCacheFiles(String packageName,
2999            IPackageDataObserver observer);
3000
3001    /**
3002     * Free storage by deleting LRU sorted list of cache files across
3003     * all applications. If the currently available free storage
3004     * on the device is greater than or equal to the requested
3005     * free storage, no cache files are cleared. If the currently
3006     * available storage on the device is less than the requested
3007     * free storage, some or all of the cache files across
3008     * all applications are deleted (based on last accessed time)
3009     * to increase the free storage space on the device to
3010     * the requested value. There is no guarantee that clearing all
3011     * the cache files from all applications will clear up
3012     * enough storage to achieve the desired value.
3013     * @param freeStorageSize The number of bytes of storage to be
3014     * freed by the system. Say if freeStorageSize is XX,
3015     * and the current free storage is YY,
3016     * if XX is less than YY, just return. if not free XX-YY number
3017     * of bytes if possible.
3018     * @param observer call back used to notify when
3019     * the operation is completed
3020     *
3021     * @hide
3022     */
3023    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3024
3025    /**
3026     * Free storage by deleting LRU sorted list of cache files across
3027     * all applications. If the currently available free storage
3028     * on the device is greater than or equal to the requested
3029     * free storage, no cache files are cleared. If the currently
3030     * available storage on the device is less than the requested
3031     * free storage, some or all of the cache files across
3032     * all applications are deleted (based on last accessed time)
3033     * to increase the free storage space on the device to
3034     * the requested value. There is no guarantee that clearing all
3035     * the cache files from all applications will clear up
3036     * enough storage to achieve the desired value.
3037     * @param freeStorageSize The number of bytes of storage to be
3038     * freed by the system. Say if freeStorageSize is XX,
3039     * and the current free storage is YY,
3040     * if XX is less than YY, just return. if not free XX-YY number
3041     * of bytes if possible.
3042     * @param pi IntentSender call back used to
3043     * notify when the operation is completed.May be null
3044     * to indicate that no call back is desired.
3045     *
3046     * @hide
3047     */
3048    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3049
3050    /**
3051     * Retrieve the size information for a package.
3052     * Since this may take a little while, the result will
3053     * be posted back to the given observer.  The calling context
3054     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3055     *
3056     * @param packageName The name of the package whose size information is to be retrieved
3057     * @param userHandle The user whose size information should be retrieved.
3058     * @param observer An observer callback to get notified when the operation
3059     * is complete.
3060     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3061     * The observer's callback is invoked with a PackageStats object(containing the
3062     * code, data and cache sizes of the package) and a boolean value representing
3063     * the status of the operation. observer may be null to indicate that
3064     * no callback is desired.
3065     *
3066     * @hide
3067     */
3068    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3069            IPackageStatsObserver observer);
3070
3071    /**
3072     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3073     * returns the size for the calling user.
3074     *
3075     * @hide
3076     */
3077    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3078        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3079    }
3080
3081    /**
3082     * @deprecated This function no longer does anything; it was an old
3083     * approach to managing preferred activities, which has been superseded
3084     * by (and conflicts with) the modern activity-based preferences.
3085     */
3086    @Deprecated
3087    public abstract void addPackageToPreferred(String packageName);
3088
3089    /**
3090     * @deprecated This function no longer does anything; it was an old
3091     * approach to managing preferred activities, which has been superseded
3092     * by (and conflicts with) the modern activity-based preferences.
3093     */
3094    @Deprecated
3095    public abstract void removePackageFromPreferred(String packageName);
3096
3097    /**
3098     * Retrieve the list of all currently configured preferred packages.  The
3099     * first package on the list is the most preferred, the last is the
3100     * least preferred.
3101     *
3102     * @param flags Additional option flags. Use any combination of
3103     * {@link #GET_ACTIVITIES},
3104     * {@link #GET_GIDS},
3105     * {@link #GET_CONFIGURATIONS},
3106     * {@link #GET_INSTRUMENTATION},
3107     * {@link #GET_PERMISSIONS},
3108     * {@link #GET_PROVIDERS},
3109     * {@link #GET_RECEIVERS},
3110     * {@link #GET_SERVICES},
3111     * {@link #GET_SIGNATURES}, to modify the data returned.
3112     *
3113     * @return Returns a list of PackageInfo objects describing each
3114     * preferred application, in order of preference.
3115     *
3116     * @see #GET_ACTIVITIES
3117     * @see #GET_GIDS
3118     * @see #GET_CONFIGURATIONS
3119     * @see #GET_INSTRUMENTATION
3120     * @see #GET_PERMISSIONS
3121     * @see #GET_PROVIDERS
3122     * @see #GET_RECEIVERS
3123     * @see #GET_SERVICES
3124     * @see #GET_SIGNATURES
3125     */
3126    public abstract List<PackageInfo> getPreferredPackages(int flags);
3127
3128    /**
3129     * @deprecated This is a protected API that should not have been available
3130     * to third party applications.  It is the platform's responsibility for
3131     * assigning preferred activities and this cannot be directly modified.
3132     *
3133     * Add a new preferred activity mapping to the system.  This will be used
3134     * to automatically select the given activity component when
3135     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3136     * multiple matching activities and also matches the given filter.
3137     *
3138     * @param filter The set of intents under which this activity will be
3139     * made preferred.
3140     * @param match The IntentFilter match category that this preference
3141     * applies to.
3142     * @param set The set of activities that the user was picking from when
3143     * this preference was made.
3144     * @param activity The component name of the activity that is to be
3145     * preferred.
3146     */
3147    @Deprecated
3148    public abstract void addPreferredActivity(IntentFilter filter, int match,
3149            ComponentName[] set, ComponentName activity);
3150
3151    /**
3152     * Same as {@link #addPreferredActivity(IntentFilter, int,
3153            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3154            to.
3155     * @hide
3156     */
3157    public void addPreferredActivity(IntentFilter filter, int match,
3158            ComponentName[] set, ComponentName activity, int userId) {
3159        throw new RuntimeException("Not implemented. Must override in a subclass.");
3160    }
3161
3162    /**
3163     * @deprecated This is a protected API that should not have been available
3164     * to third party applications.  It is the platform's responsibility for
3165     * assigning preferred activities and this cannot be directly modified.
3166     *
3167     * Replaces an existing preferred activity mapping to the system, and if that were not present
3168     * adds a new preferred activity.  This will be used
3169     * to automatically select the given activity component when
3170     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3171     * multiple matching activities and also matches the given filter.
3172     *
3173     * @param filter The set of intents under which this activity will be
3174     * made preferred.
3175     * @param match The IntentFilter match category that this preference
3176     * applies to.
3177     * @param set The set of activities that the user was picking from when
3178     * this preference was made.
3179     * @param activity The component name of the activity that is to be
3180     * preferred.
3181     * @hide
3182     */
3183    @Deprecated
3184    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3185            ComponentName[] set, ComponentName activity);
3186
3187    /**
3188     * Remove all preferred activity mappings, previously added with
3189     * {@link #addPreferredActivity}, from the
3190     * system whose activities are implemented in the given package name.
3191     * An application can only clear its own package(s).
3192     *
3193     * @param packageName The name of the package whose preferred activity
3194     * mappings are to be removed.
3195     */
3196    public abstract void clearPackagePreferredActivities(String packageName);
3197
3198    /**
3199     * Retrieve all preferred activities, previously added with
3200     * {@link #addPreferredActivity}, that are
3201     * currently registered with the system.
3202     *
3203     * @param outFilters A list in which to place the filters of all of the
3204     * preferred activities, or null for none.
3205     * @param outActivities A list in which to place the component names of
3206     * all of the preferred activities, or null for none.
3207     * @param packageName An option package in which you would like to limit
3208     * the list.  If null, all activities will be returned; if non-null, only
3209     * those activities in the given package are returned.
3210     *
3211     * @return Returns the total number of registered preferred activities
3212     * (the number of distinct IntentFilter records, not the number of unique
3213     * activity components) that were found.
3214     */
3215    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3216            List<ComponentName> outActivities, String packageName);
3217
3218    /**
3219     * Ask for the set of available 'home' activities and the current explicit
3220     * default, if any.
3221     * @hide
3222     */
3223    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3224
3225    /**
3226     * Set the enabled setting for a package component (activity, receiver, service, provider).
3227     * This setting will override any enabled state which may have been set by the component in its
3228     * manifest.
3229     *
3230     * @param componentName The component to enable
3231     * @param newState The new enabled state for the component.  The legal values for this state
3232     *                 are:
3233     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3234     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3235     *                   and
3236     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3237     *                 The last one removes the setting, thereby restoring the component's state to
3238     *                 whatever was set in it's manifest (or enabled, by default).
3239     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3240     */
3241    public abstract void setComponentEnabledSetting(ComponentName componentName,
3242            int newState, int flags);
3243
3244
3245    /**
3246     * Return the the enabled setting for a package component (activity,
3247     * receiver, service, provider).  This returns the last value set by
3248     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3249     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3250     * the value originally specified in the manifest has not been modified.
3251     *
3252     * @param componentName The component to retrieve.
3253     * @return Returns the current enabled state for the component.  May
3254     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3255     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3256     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3257     * component's enabled state is based on the original information in
3258     * the manifest as found in {@link ComponentInfo}.
3259     */
3260    public abstract int getComponentEnabledSetting(ComponentName componentName);
3261
3262    /**
3263     * Set the enabled setting for an application
3264     * This setting will override any enabled state which may have been set by the application in
3265     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3266     * application's components.  It does not override any enabled state set by
3267     * {@link #setComponentEnabledSetting} for any of the application's components.
3268     *
3269     * @param packageName The package name of the application to enable
3270     * @param newState The new enabled state for the component.  The legal values for this state
3271     *                 are:
3272     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3273     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3274     *                   and
3275     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3276     *                 The last one removes the setting, thereby restoring the applications's state to
3277     *                 whatever was set in its manifest (or enabled, by default).
3278     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3279     */
3280    public abstract void setApplicationEnabledSetting(String packageName,
3281            int newState, int flags);
3282
3283    /**
3284     * Return the the enabled setting for an application.  This returns
3285     * the last value set by
3286     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3287     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3288     * the value originally specified in the manifest has not been modified.
3289     *
3290     * @param packageName The component to retrieve.
3291     * @return Returns the current enabled state for the component.  May
3292     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3293     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3294     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3295     * application's enabled state is based on the original information in
3296     * the manifest as found in {@link ComponentInfo}.
3297     * @throws IllegalArgumentException if the named package does not exist.
3298     */
3299    public abstract int getApplicationEnabledSetting(String packageName);
3300
3301    /**
3302     * Puts the package in a blocked state, which is almost like an uninstalled state,
3303     * making the package unavailable, but it doesn't remove the data or the actual
3304     * package file.
3305     * @hide
3306     */
3307    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3308            UserHandle userHandle);
3309
3310    /**
3311     * Returns the blocked state of a package.
3312     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3313     * @hide
3314     */
3315    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3316            UserHandle userHandle);
3317
3318    /**
3319     * Return whether the device has been booted into safe mode.
3320     */
3321    public abstract boolean isSafeMode();
3322
3323    /**
3324     * Attempts to move package resources from internal to external media or vice versa.
3325     * Since this may take a little while, the result will
3326     * be posted back to the given observer.   This call may fail if the calling context
3327     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3328     * named package cannot be found, or if the named package is a "system package".
3329     *
3330     * @param packageName The name of the package to delete
3331     * @param observer An observer callback to get notified when the package move is
3332     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3333     * called when that happens.  observer may be null to indicate that no callback is desired.
3334     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3335     * {@link #MOVE_EXTERNAL_MEDIA}
3336     *
3337     * @hide
3338     */
3339    public abstract void movePackage(
3340            String packageName, IPackageMoveObserver observer, int flags);
3341
3342    /**
3343     * Returns the device identity that verifiers can use to associate their scheme to a particular
3344     * device. This should not be used by anything other than a package verifier.
3345     *
3346     * @return identity that uniquely identifies current device
3347     * @hide
3348     */
3349    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3350
3351    /**
3352     * Returns the data directory for a particular user and package, given the uid of the package.
3353     * @param uid uid of the package, including the userId and appId
3354     * @param packageName name of the package
3355     * @return the user-specific data directory for the package
3356     * @hide
3357     */
3358    public static String getDataDirForUser(int userId, String packageName) {
3359        // TODO: This should be shared with Installer's knowledge of user directory
3360        return Environment.getDataDirectory().toString() + "/user/" + userId
3361                + "/" + packageName;
3362    }
3363}
3364