PackageManager.java revision 9e99cab7d9a0ec2315140c21bb1958eb7ff76a09
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     * Installation failed return code: this is passed to the {@link IPackageInstallObserver} by
679     * {@link #installPackage(android.net.Uri, IPackageInstallObserver, int)}
680     * if the system failed to install the package because its packaged native code did not
681     * match any of the ABIs supported by the system.
682     *
683     * @hide
684     */
685    public static final int INSTALL_FAILED_NO_MATCHING_ABIS = -112;
686
687    /**
688     * Internal return code for NativeLibraryHelper methods to indicate that the package
689     * being processed did not contain any native code. This is placed here only so that
690     * it can belong to the same value space as the other install failure codes.
691     *
692     * @hide
693     */
694    public static final int NO_NATIVE_LIBRARIES = -113;
695
696    /**
697     * Flag parameter for {@link #deletePackage} to indicate that you don't want to delete the
698     * package's data directory.
699     *
700     * @hide
701     */
702    public static final int DELETE_KEEP_DATA = 0x00000001;
703
704    /**
705     * Flag parameter for {@link #deletePackage} to indicate that you want the
706     * package deleted for all users.
707     *
708     * @hide
709     */
710    public static final int DELETE_ALL_USERS = 0x00000002;
711
712    /**
713     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
714     * uninstall on a system that has been updated, then don't do the normal process
715     * of uninstalling the update and rolling back to the older system version (which
716     * needs to happen for all users); instead, just mark the app as uninstalled for
717     * the current user.
718     *
719     * @hide
720     */
721    public static final int DELETE_SYSTEM_APP = 0x00000004;
722
723    /**
724     * Return code for when package deletion succeeds. This is passed to the
725     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
726     * succeeded in deleting the package.
727     *
728     * @hide
729     */
730    public static final int DELETE_SUCCEEDED = 1;
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 for an unspecified reason.
736     *
737     * @hide
738     */
739    public static final int DELETE_FAILED_INTERNAL_ERROR = -1;
740
741    /**
742     * Deletion failed return code: this is passed to the
743     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
744     * failed to delete the package because it is the active DevicePolicy
745     * manager.
746     *
747     * @hide
748     */
749    public static final int DELETE_FAILED_DEVICE_POLICY_MANAGER = -2;
750
751    /**
752     * Deletion failed return code: this is passed to the
753     * {@link IPackageDeleteObserver} by {@link #deletePackage()} if the system
754     * failed to delete the package since the user is restricted.
755     *
756     * @hide
757     */
758    public static final int DELETE_FAILED_USER_RESTRICTED = -3;
759
760    /**
761     * Return code that is passed to the {@link IPackageMoveObserver} by
762     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} when the
763     * package has been successfully moved by the system.
764     *
765     * @hide
766     */
767    public static final int MOVE_SUCCEEDED = 1;
768    /**
769     * Error code that is passed to the {@link IPackageMoveObserver} by
770     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
771     * when the package hasn't been successfully moved by the system
772     * because of insufficient memory on specified media.
773     * @hide
774     */
775    public static final int MOVE_FAILED_INSUFFICIENT_STORAGE = -1;
776
777    /**
778     * Error code that is passed to the {@link IPackageMoveObserver} by
779     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
780     * if the specified package doesn't exist.
781     * @hide
782     */
783    public static final int MOVE_FAILED_DOESNT_EXIST = -2;
784
785    /**
786     * Error code that is passed to the {@link IPackageMoveObserver} by
787     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
788     * if the specified package cannot be moved since its a system package.
789     * @hide
790     */
791    public static final int MOVE_FAILED_SYSTEM_PACKAGE = -3;
792
793    /**
794     * Error code that is passed to the {@link IPackageMoveObserver} by
795     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
796     * if the specified package cannot be moved since its forward locked.
797     * @hide
798     */
799    public static final int MOVE_FAILED_FORWARD_LOCKED = -4;
800
801    /**
802     * Error code that is passed to the {@link IPackageMoveObserver} by
803     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
804     * if the specified package cannot be moved to the specified location.
805     * @hide
806     */
807    public static final int MOVE_FAILED_INVALID_LOCATION = -5;
808
809    /**
810     * Error code that is passed to the {@link IPackageMoveObserver} by
811     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)}
812     * if the specified package cannot be moved to the specified location.
813     * @hide
814     */
815    public static final int MOVE_FAILED_INTERNAL_ERROR = -6;
816
817    /**
818     * Error code that is passed to the {@link IPackageMoveObserver} by
819     * {@link #movePackage(android.net.Uri, IPackageMoveObserver)} if the
820     * specified package already has an operation pending in the
821     * {@link PackageHandler} queue.
822     *
823     * @hide
824     */
825    public static final int MOVE_FAILED_OPERATION_PENDING = -7;
826
827    /**
828     * Flag parameter for {@link #movePackage} to indicate that
829     * the package should be moved to internal storage if its
830     * been installed on external media.
831     * @hide
832     */
833    public static final int MOVE_INTERNAL = 0x00000001;
834
835    /**
836     * Flag parameter for {@link #movePackage} to indicate that
837     * the package should be moved to external media.
838     * @hide
839     */
840    public static final int MOVE_EXTERNAL_MEDIA = 0x00000002;
841
842    /**
843     * Usable by the required verifier as the {@code verificationCode} argument
844     * for {@link PackageManager#verifyPendingInstall} to indicate that it will
845     * allow the installation to proceed without any of the optional verifiers
846     * needing to vote.
847     *
848     * @hide
849     */
850    public static final int VERIFICATION_ALLOW_WITHOUT_SUFFICIENT = 2;
851
852    /**
853     * Used as the {@code verificationCode} argument for
854     * {@link PackageManager#verifyPendingInstall} to indicate that the calling
855     * package verifier allows the installation to proceed.
856     */
857    public static final int VERIFICATION_ALLOW = 1;
858
859    /**
860     * Used as the {@code verificationCode} argument for
861     * {@link PackageManager#verifyPendingInstall} to indicate the calling
862     * package verifier does not vote to allow the installation to proceed.
863     */
864    public static final int VERIFICATION_REJECT = -1;
865
866    /**
867     * Can be used as the {@code millisecondsToDelay} argument for
868     * {@link PackageManager#extendVerificationTimeout}. This is the
869     * maximum time {@code PackageManager} waits for the verification
870     * agent to return (in milliseconds).
871     */
872    public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
873
874    /**
875     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
876     * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
877     * lag in sound input or output.
878     */
879    @SdkConstant(SdkConstantType.FEATURE)
880    public static final String FEATURE_AUDIO_LOW_LATENCY = "android.hardware.audio.low_latency";
881
882    /**
883     * Feature for {@link #getSystemAvailableFeatures} and
884     * {@link #hasSystemFeature}: The device is capable of communicating with
885     * other devices via Bluetooth.
886     */
887    @SdkConstant(SdkConstantType.FEATURE)
888    public static final String FEATURE_BLUETOOTH = "android.hardware.bluetooth";
889
890    /**
891     * Feature for {@link #getSystemAvailableFeatures} and
892     * {@link #hasSystemFeature}: The device is capable of communicating with
893     * other devices via Bluetooth Low Energy radio.
894     */
895    @SdkConstant(SdkConstantType.FEATURE)
896    public static final String FEATURE_BLUETOOTH_LE = "android.hardware.bluetooth_le";
897
898    /**
899     * Feature for {@link #getSystemAvailableFeatures} and
900     * {@link #hasSystemFeature}: The device has a camera facing away
901     * from the screen.
902     */
903    @SdkConstant(SdkConstantType.FEATURE)
904    public static final String FEATURE_CAMERA = "android.hardware.camera";
905
906    /**
907     * Feature for {@link #getSystemAvailableFeatures} and
908     * {@link #hasSystemFeature}: The device's camera supports auto-focus.
909     */
910    @SdkConstant(SdkConstantType.FEATURE)
911    public static final String FEATURE_CAMERA_AUTOFOCUS = "android.hardware.camera.autofocus";
912
913    /**
914     * Feature for {@link #getSystemAvailableFeatures} and
915     * {@link #hasSystemFeature}: The device has at least one camera pointing in
916     * some direction.
917     */
918    @SdkConstant(SdkConstantType.FEATURE)
919    public static final String FEATURE_CAMERA_ANY = "android.hardware.camera.any";
920
921    /**
922     * Feature for {@link #getSystemAvailableFeatures} and
923     * {@link #hasSystemFeature}: The device's camera supports flash.
924     */
925    @SdkConstant(SdkConstantType.FEATURE)
926    public static final String FEATURE_CAMERA_FLASH = "android.hardware.camera.flash";
927
928    /**
929     * Feature for {@link #getSystemAvailableFeatures} and
930     * {@link #hasSystemFeature}: The device has a front facing camera.
931     */
932    @SdkConstant(SdkConstantType.FEATURE)
933    public static final String FEATURE_CAMERA_FRONT = "android.hardware.camera.front";
934
935    /**
936     * Feature for {@link #getSystemAvailableFeatures} and
937     * {@link #hasSystemFeature}: The device is capable of communicating with
938     * consumer IR devices.
939     */
940    @SdkConstant(SdkConstantType.FEATURE)
941    public static final String FEATURE_CONSUMER_IR = "android.hardware.consumerir";
942
943    /**
944     * Feature for {@link #getSystemAvailableFeatures} and
945     * {@link #hasSystemFeature}: The device supports one or more methods of
946     * reporting current location.
947     */
948    @SdkConstant(SdkConstantType.FEATURE)
949    public static final String FEATURE_LOCATION = "android.hardware.location";
950
951    /**
952     * Feature for {@link #getSystemAvailableFeatures} and
953     * {@link #hasSystemFeature}: The device has a Global Positioning System
954     * receiver and can report precise location.
955     */
956    @SdkConstant(SdkConstantType.FEATURE)
957    public static final String FEATURE_LOCATION_GPS = "android.hardware.location.gps";
958
959    /**
960     * Feature for {@link #getSystemAvailableFeatures} and
961     * {@link #hasSystemFeature}: The device can report location with coarse
962     * accuracy using a network-based geolocation system.
963     */
964    @SdkConstant(SdkConstantType.FEATURE)
965    public static final String FEATURE_LOCATION_NETWORK = "android.hardware.location.network";
966
967    /**
968     * Feature for {@link #getSystemAvailableFeatures} and
969     * {@link #hasSystemFeature}: The device can record audio via a
970     * microphone.
971     */
972    @SdkConstant(SdkConstantType.FEATURE)
973    public static final String FEATURE_MICROPHONE = "android.hardware.microphone";
974
975    /**
976     * Feature for {@link #getSystemAvailableFeatures} and
977     * {@link #hasSystemFeature}: The device can communicate using Near-Field
978     * Communications (NFC).
979     */
980    @SdkConstant(SdkConstantType.FEATURE)
981    public static final String FEATURE_NFC = "android.hardware.nfc";
982
983    /**
984     * Feature for {@link #getSystemAvailableFeatures} and
985     * {@link #hasSystemFeature}: The device supports host-
986     * based NFC card emulation.
987     *
988     * TODO remove when depending apps have moved to new constant.
989     * @hide
990     * @deprecated
991     */
992    @Deprecated
993    @SdkConstant(SdkConstantType.FEATURE)
994    public static final String FEATURE_NFC_HCE = "android.hardware.nfc.hce";
995
996    /**
997     * Feature for {@link #getSystemAvailableFeatures} and
998     * {@link #hasSystemFeature}: The device supports host-
999     * based NFC card emulation.
1000     */
1001    @SdkConstant(SdkConstantType.FEATURE)
1002    public static final String FEATURE_NFC_HOST_CARD_EMULATION = "android.hardware.nfc.hce";
1003
1004    /**
1005     * Feature for {@link #getSystemAvailableFeatures} and
1006     * {@link #hasSystemFeature}: The device includes an accelerometer.
1007     */
1008    @SdkConstant(SdkConstantType.FEATURE)
1009    public static final String FEATURE_SENSOR_ACCELEROMETER = "android.hardware.sensor.accelerometer";
1010
1011    /**
1012     * Feature for {@link #getSystemAvailableFeatures} and
1013     * {@link #hasSystemFeature}: The device includes a barometer (air
1014     * pressure sensor.)
1015     */
1016    @SdkConstant(SdkConstantType.FEATURE)
1017    public static final String FEATURE_SENSOR_BAROMETER = "android.hardware.sensor.barometer";
1018
1019    /**
1020     * Feature for {@link #getSystemAvailableFeatures} and
1021     * {@link #hasSystemFeature}: The device includes a magnetometer (compass).
1022     */
1023    @SdkConstant(SdkConstantType.FEATURE)
1024    public static final String FEATURE_SENSOR_COMPASS = "android.hardware.sensor.compass";
1025
1026    /**
1027     * Feature for {@link #getSystemAvailableFeatures} and
1028     * {@link #hasSystemFeature}: The device includes a gyroscope.
1029     */
1030    @SdkConstant(SdkConstantType.FEATURE)
1031    public static final String FEATURE_SENSOR_GYROSCOPE = "android.hardware.sensor.gyroscope";
1032
1033    /**
1034     * Feature for {@link #getSystemAvailableFeatures} and
1035     * {@link #hasSystemFeature}: The device includes a light sensor.
1036     */
1037    @SdkConstant(SdkConstantType.FEATURE)
1038    public static final String FEATURE_SENSOR_LIGHT = "android.hardware.sensor.light";
1039
1040    /**
1041     * Feature for {@link #getSystemAvailableFeatures} and
1042     * {@link #hasSystemFeature}: The device includes a proximity sensor.
1043     */
1044    @SdkConstant(SdkConstantType.FEATURE)
1045    public static final String FEATURE_SENSOR_PROXIMITY = "android.hardware.sensor.proximity";
1046
1047    /**
1048     * Feature for {@link #getSystemAvailableFeatures} and
1049     * {@link #hasSystemFeature}: The device includes a hardware step counter.
1050     */
1051    @SdkConstant(SdkConstantType.FEATURE)
1052    public static final String FEATURE_SENSOR_STEP_COUNTER = "android.hardware.sensor.stepcounter";
1053
1054    /**
1055     * Feature for {@link #getSystemAvailableFeatures} and
1056     * {@link #hasSystemFeature}: The device includes a hardware step detector.
1057     */
1058    @SdkConstant(SdkConstantType.FEATURE)
1059    public static final String FEATURE_SENSOR_STEP_DETECTOR = "android.hardware.sensor.stepdetector";
1060
1061    /**
1062     * Feature for {@link #getSystemAvailableFeatures} and
1063     * {@link #hasSystemFeature}: The device has a telephony radio with data
1064     * communication support.
1065     */
1066    @SdkConstant(SdkConstantType.FEATURE)
1067    public static final String FEATURE_TELEPHONY = "android.hardware.telephony";
1068
1069    /**
1070     * Feature for {@link #getSystemAvailableFeatures} and
1071     * {@link #hasSystemFeature}: The device has a CDMA telephony stack.
1072     */
1073    @SdkConstant(SdkConstantType.FEATURE)
1074    public static final String FEATURE_TELEPHONY_CDMA = "android.hardware.telephony.cdma";
1075
1076    /**
1077     * Feature for {@link #getSystemAvailableFeatures} and
1078     * {@link #hasSystemFeature}: The device has a GSM telephony stack.
1079     */
1080    @SdkConstant(SdkConstantType.FEATURE)
1081    public static final String FEATURE_TELEPHONY_GSM = "android.hardware.telephony.gsm";
1082
1083    /**
1084     * Feature for {@link #getSystemAvailableFeatures} and
1085     * {@link #hasSystemFeature}: The device supports connecting to USB devices
1086     * as the USB host.
1087     */
1088    @SdkConstant(SdkConstantType.FEATURE)
1089    public static final String FEATURE_USB_HOST = "android.hardware.usb.host";
1090
1091    /**
1092     * Feature for {@link #getSystemAvailableFeatures} and
1093     * {@link #hasSystemFeature}: The device supports connecting to USB accessories.
1094     */
1095    @SdkConstant(SdkConstantType.FEATURE)
1096    public static final String FEATURE_USB_ACCESSORY = "android.hardware.usb.accessory";
1097
1098    /**
1099     * Feature for {@link #getSystemAvailableFeatures} and
1100     * {@link #hasSystemFeature}: The SIP API is enabled on the device.
1101     */
1102    @SdkConstant(SdkConstantType.FEATURE)
1103    public static final String FEATURE_SIP = "android.software.sip";
1104
1105    /**
1106     * Feature for {@link #getSystemAvailableFeatures} and
1107     * {@link #hasSystemFeature}: The device supports SIP-based VOIP.
1108     */
1109    @SdkConstant(SdkConstantType.FEATURE)
1110    public static final String FEATURE_SIP_VOIP = "android.software.sip.voip";
1111
1112    /**
1113     * Feature for {@link #getSystemAvailableFeatures} and
1114     * {@link #hasSystemFeature}: The device's display has a touch screen.
1115     */
1116    @SdkConstant(SdkConstantType.FEATURE)
1117    public static final String FEATURE_TOUCHSCREEN = "android.hardware.touchscreen";
1118
1119
1120    /**
1121     * Feature for {@link #getSystemAvailableFeatures} and
1122     * {@link #hasSystemFeature}: The device's touch screen supports
1123     * multitouch sufficient for basic two-finger gesture detection.
1124     */
1125    @SdkConstant(SdkConstantType.FEATURE)
1126    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH = "android.hardware.touchscreen.multitouch";
1127
1128    /**
1129     * Feature for {@link #getSystemAvailableFeatures} and
1130     * {@link #hasSystemFeature}: The device's touch screen is capable of
1131     * tracking two or more fingers fully independently.
1132     */
1133    @SdkConstant(SdkConstantType.FEATURE)
1134    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT = "android.hardware.touchscreen.multitouch.distinct";
1135
1136    /**
1137     * Feature for {@link #getSystemAvailableFeatures} and
1138     * {@link #hasSystemFeature}: The device's touch screen is capable of
1139     * tracking a full hand of fingers fully independently -- that is, 5 or
1140     * more simultaneous independent pointers.
1141     */
1142    @SdkConstant(SdkConstantType.FEATURE)
1143    public static final String FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND = "android.hardware.touchscreen.multitouch.jazzhand";
1144
1145    /**
1146     * Feature for {@link #getSystemAvailableFeatures} and
1147     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1148     * does support touch emulation for basic events. For instance, the
1149     * device might use a mouse or remote control to drive a cursor, and
1150     * emulate basic touch pointer events like down, up, drag, etc. All
1151     * devices that support android.hardware.touchscreen or a sub-feature are
1152     * presumed to also support faketouch.
1153     */
1154    @SdkConstant(SdkConstantType.FEATURE)
1155    public static final String FEATURE_FAKETOUCH = "android.hardware.faketouch";
1156
1157    /**
1158     * Feature for {@link #getSystemAvailableFeatures} and
1159     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1160     * does support touch emulation for basic events that supports distinct
1161     * tracking of two or more fingers.  This is an extension of
1162     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1163     * that unlike a distinct multitouch screen as defined by
1164     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT}, these kinds of input
1165     * devices will not actually provide full two-finger gestures since the
1166     * input is being transformed to cursor movement on the screen.  That is,
1167     * single finger gestures will move a cursor; two-finger swipes will
1168     * result in single-finger touch events; other two-finger gestures will
1169     * result in the corresponding two-finger touch event.
1170     */
1171    @SdkConstant(SdkConstantType.FEATURE)
1172    public static final String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
1173
1174    /**
1175     * Feature for {@link #getSystemAvailableFeatures} and
1176     * {@link #hasSystemFeature}: The device does not have a touch screen, but
1177     * does support touch emulation for basic events that supports tracking
1178     * a hand of fingers (5 or more fingers) fully independently.
1179     * This is an extension of
1180     * {@link #FEATURE_FAKETOUCH} for input devices with this capability.  Note
1181     * that unlike a multitouch screen as defined by
1182     * {@link #FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND}, not all two finger
1183     * gestures can be detected due to the limitations described for
1184     * {@link #FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT}.
1185     */
1186    @SdkConstant(SdkConstantType.FEATURE)
1187    public static final String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
1188
1189    /**
1190     * Feature for {@link #getSystemAvailableFeatures} and
1191     * {@link #hasSystemFeature}: The device supports portrait orientation
1192     * screens.  For backwards compatibility, you can assume that if neither
1193     * this nor {@link #FEATURE_SCREEN_LANDSCAPE} is set then the device supports
1194     * both portrait and landscape.
1195     */
1196    @SdkConstant(SdkConstantType.FEATURE)
1197    public static final String FEATURE_SCREEN_PORTRAIT = "android.hardware.screen.portrait";
1198
1199    /**
1200     * Feature for {@link #getSystemAvailableFeatures} and
1201     * {@link #hasSystemFeature}: The device supports landscape orientation
1202     * screens.  For backwards compatibility, you can assume that if neither
1203     * this nor {@link #FEATURE_SCREEN_PORTRAIT} is set then the device supports
1204     * both portrait and landscape.
1205     */
1206    @SdkConstant(SdkConstantType.FEATURE)
1207    public static final String FEATURE_SCREEN_LANDSCAPE = "android.hardware.screen.landscape";
1208
1209    /**
1210     * Feature for {@link #getSystemAvailableFeatures} and
1211     * {@link #hasSystemFeature}: The device supports live wallpapers.
1212     */
1213    @SdkConstant(SdkConstantType.FEATURE)
1214    public static final String FEATURE_LIVE_WALLPAPER = "android.software.live_wallpaper";
1215
1216    /**
1217     * Feature for {@link #getSystemAvailableFeatures} and
1218     * {@link #hasSystemFeature}: The device supports app widgets.
1219     */
1220    @SdkConstant(SdkConstantType.FEATURE)
1221    public static final String FEATURE_APP_WIDGETS = "android.software.app_widgets";
1222
1223    /**
1224     * Feature for {@link #getSystemAvailableFeatures} and
1225     * {@link #hasSystemFeature}: The device supports a home screen that is replaceable
1226     * by third party applications.
1227     */
1228    @SdkConstant(SdkConstantType.FEATURE)
1229    public static final String FEATURE_HOME_SCREEN = "android.software.home_screen";
1230
1231    /**
1232     * Feature for {@link #getSystemAvailableFeatures} and
1233     * {@link #hasSystemFeature}: The device supports adding new input methods implemented
1234     * with the {@link android.inputmethodservice.InputMethodService} API.
1235     */
1236    @SdkConstant(SdkConstantType.FEATURE)
1237    public static final String FEATURE_INPUT_METHODS = "android.software.input_methods";
1238
1239    /**
1240     * Feature for {@link #getSystemAvailableFeatures} and
1241     * {@link #hasSystemFeature}: The device supports device policy enforcement via device admins.
1242     */
1243    @SdkConstant(SdkConstantType.FEATURE)
1244    public static final String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
1245
1246    /**
1247     * Feature for {@link #getSystemAvailableFeatures} and
1248     * {@link #hasSystemFeature}: The device supports leanback UI. This is
1249     * typically used in a living room television experience, but is a software
1250     * feature unlike {@link #FEATURE_TELEVISION}. Devices running with this
1251     * feature will use resources associated with the "television" UI mode.
1252     */
1253    @SdkConstant(SdkConstantType.FEATURE)
1254    public static final String FEATURE_LEANBACK = "android.software.leanback";
1255
1256    /**
1257     * Feature for {@link #getSystemAvailableFeatures} and
1258     * {@link #hasSystemFeature}: The device supports only leanback UI. Only
1259     * applications designed for this experience should be run, though this is
1260     * not enforced by the system.
1261     * @hide
1262     */
1263    @SdkConstant(SdkConstantType.FEATURE)
1264    public static final String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
1265
1266    /**
1267     * Feature for {@link #getSystemAvailableFeatures} and
1268     * {@link #hasSystemFeature}: The device supports WiFi (802.11) networking.
1269     */
1270    @SdkConstant(SdkConstantType.FEATURE)
1271    public static final String FEATURE_WIFI = "android.hardware.wifi";
1272
1273    /**
1274     * Feature for {@link #getSystemAvailableFeatures} and
1275     * {@link #hasSystemFeature}: The device supports Wi-Fi Direct networking.
1276     */
1277    @SdkConstant(SdkConstantType.FEATURE)
1278    public static final String FEATURE_WIFI_DIRECT = "android.hardware.wifi.direct";
1279
1280    /**
1281     * Feature for {@link #getSystemAvailableFeatures} and
1282     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1283     * on a television.  Television here is defined to be a typical living
1284     * room television experience: displayed on a big screen, where the user
1285     * is sitting far away from it, and the dominant form of input will be
1286     * something like a DPAD, not through touch or mouse.
1287     * @deprecated use {@link #FEATURE_LEANBACK} instead.
1288     */
1289    @Deprecated
1290    @SdkConstant(SdkConstantType.FEATURE)
1291    public static final String FEATURE_TELEVISION = "android.hardware.type.television";
1292
1293    /**
1294     * Feature for {@link #getSystemAvailableFeatures} and
1295     * {@link #hasSystemFeature}: This is a device dedicated to showing UI
1296     * on a watch. A watch here is defined to be a device worn on the body, perhaps on
1297     * the wrist. The user is very close when interacting with the device.
1298     */
1299    @SdkConstant(SdkConstantType.FEATURE)
1300    public static final String FEATURE_WATCH = "android.hardware.type.watch";
1301
1302    /**
1303     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1304     * The device supports printing.
1305     */
1306    @SdkConstant(SdkConstantType.FEATURE)
1307    public static final String FEATURE_PRINTING = "android.software.print";
1308
1309    /**
1310     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}:
1311     * The device can perform backup and restore operations on installed applications.
1312     */
1313    @SdkConstant(SdkConstantType.FEATURE)
1314    public static final String FEATURE_BACKUP = "android.software.backup";
1315
1316    /**
1317     * Action to external storage service to clean out removed apps.
1318     * @hide
1319     */
1320    public static final String ACTION_CLEAN_EXTERNAL_STORAGE
1321            = "android.content.pm.CLEAN_EXTERNAL_STORAGE";
1322
1323    /**
1324     * Extra field name for the URI to a verification file. Passed to a package
1325     * verifier.
1326     *
1327     * @hide
1328     */
1329    public static final String EXTRA_VERIFICATION_URI = "android.content.pm.extra.VERIFICATION_URI";
1330
1331    /**
1332     * Extra field name for the ID of a package pending verification. Passed to
1333     * a package verifier and is used to call back to
1334     * {@link PackageManager#verifyPendingInstall(int, int)}
1335     */
1336    public static final String EXTRA_VERIFICATION_ID = "android.content.pm.extra.VERIFICATION_ID";
1337
1338    /**
1339     * Extra field name for the package identifier which is trying to install
1340     * the package.
1341     *
1342     * @hide
1343     */
1344    public static final String EXTRA_VERIFICATION_INSTALLER_PACKAGE
1345            = "android.content.pm.extra.VERIFICATION_INSTALLER_PACKAGE";
1346
1347    /**
1348     * Extra field name for the requested install flags for a package pending
1349     * verification. Passed to a package verifier.
1350     *
1351     * @hide
1352     */
1353    public static final String EXTRA_VERIFICATION_INSTALL_FLAGS
1354            = "android.content.pm.extra.VERIFICATION_INSTALL_FLAGS";
1355
1356    /**
1357     * Extra field name for the uid of who is requesting to install
1358     * the package.
1359     *
1360     * @hide
1361     */
1362    public static final String EXTRA_VERIFICATION_INSTALLER_UID
1363            = "android.content.pm.extra.VERIFICATION_INSTALLER_UID";
1364
1365    /**
1366     * Extra field name for the package name of a package pending verification.
1367     *
1368     * @hide
1369     */
1370    public static final String EXTRA_VERIFICATION_PACKAGE_NAME
1371            = "android.content.pm.extra.VERIFICATION_PACKAGE_NAME";
1372    /**
1373     * Extra field name for the result of a verification, either
1374     * {@link #VERIFICATION_ALLOW}, or {@link #VERIFICATION_REJECT}.
1375     * Passed to package verifiers after a package is verified.
1376     */
1377    public static final String EXTRA_VERIFICATION_RESULT
1378            = "android.content.pm.extra.VERIFICATION_RESULT";
1379
1380    /**
1381     * Extra field name for the version code of a package pending verification.
1382     *
1383     * @hide
1384     */
1385    public static final String EXTRA_VERIFICATION_VERSION_CODE
1386            = "android.content.pm.extra.VERIFICATION_VERSION_CODE";
1387
1388    /**
1389     * The action used to request that the user approve a permission request
1390     * from the application.
1391     *
1392     * @hide
1393     */
1394    public static final String ACTION_REQUEST_PERMISSION
1395            = "android.content.pm.action.REQUEST_PERMISSION";
1396
1397    /**
1398     * Extra field name for the list of permissions, which the user must approve.
1399     *
1400     * @hide
1401     */
1402    public static final String EXTRA_REQUEST_PERMISSION_PERMISSION_LIST
1403            = "android.content.pm.extra.PERMISSION_LIST";
1404
1405    /**
1406     * Retrieve overall information about an application package that is
1407     * installed on the system.
1408     * <p>
1409     * Throws {@link NameNotFoundException} if a package with the given name can
1410     * not be found on the system.
1411     *
1412     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1413     *            desired package.
1414     * @param flags Additional option flags. Use any combination of
1415     *            {@link #GET_ACTIVITIES}, {@link #GET_GIDS},
1416     *            {@link #GET_CONFIGURATIONS}, {@link #GET_INSTRUMENTATION},
1417     *            {@link #GET_PERMISSIONS}, {@link #GET_PROVIDERS},
1418     *            {@link #GET_RECEIVERS}, {@link #GET_SERVICES},
1419     *            {@link #GET_SIGNATURES}, {@link #GET_UNINSTALLED_PACKAGES} to
1420     *            modify the data returned.
1421     * @return Returns a PackageInfo object containing information about the
1422     *         package. If flag GET_UNINSTALLED_PACKAGES is set and if the
1423     *         package is not found in the list of installed applications, the
1424     *         package information is retrieved from the list of uninstalled
1425     *         applications (which includes installed applications as well as
1426     *         applications with data directory i.e. applications which had been
1427     *         deleted with {@code DONT_DELETE_DATA} flag set).
1428     * @see #GET_ACTIVITIES
1429     * @see #GET_GIDS
1430     * @see #GET_CONFIGURATIONS
1431     * @see #GET_INSTRUMENTATION
1432     * @see #GET_PERMISSIONS
1433     * @see #GET_PROVIDERS
1434     * @see #GET_RECEIVERS
1435     * @see #GET_SERVICES
1436     * @see #GET_SIGNATURES
1437     * @see #GET_UNINSTALLED_PACKAGES
1438     */
1439    public abstract PackageInfo getPackageInfo(String packageName, int flags)
1440            throws NameNotFoundException;
1441
1442    /**
1443     * Map from the current package names in use on the device to whatever
1444     * the current canonical name of that package is.
1445     * @param names Array of current names to be mapped.
1446     * @return Returns an array of the same size as the original, containing
1447     * the canonical name for each package.
1448     */
1449    public abstract String[] currentToCanonicalPackageNames(String[] names);
1450
1451    /**
1452     * Map from a packages canonical name to the current name in use on the device.
1453     * @param names Array of new names to be mapped.
1454     * @return Returns an array of the same size as the original, containing
1455     * the current name for each package.
1456     */
1457    public abstract String[] canonicalToCurrentPackageNames(String[] names);
1458
1459    /**
1460     * Return a "good" intent to launch a front-door activity in a package,
1461     * for use for example to implement an "open" button when browsing through
1462     * packages.  The current implementation will look first for a main
1463     * activity in the category {@link Intent#CATEGORY_INFO}, next for a
1464     * main activity in the category {@link Intent#CATEGORY_LAUNCHER}, or return
1465     * null if neither are found.
1466     *
1467     * <p>Throws {@link NameNotFoundException} if a package with the given
1468     * name cannot be found on the system.
1469     *
1470     * @param packageName The name of the package to inspect.
1471     *
1472     * @return Returns either a fully-qualified Intent that can be used to
1473     * launch the main activity in the package, or null if the package does
1474     * not contain such an activity.
1475     */
1476    public abstract Intent getLaunchIntentForPackage(String packageName);
1477
1478    /**
1479     * Return a "good" intent to launch a front-door Leanback activity in a
1480     * package, for use for example to implement an "open" button when browsing
1481     * through packages. The current implementation will look for a main
1482     * activity in the category {@link Intent#CATEGORY_LEANBACK_LAUNCHER}, or
1483     * return null if no main leanback activities are found.
1484     * <p>
1485     * Throws {@link NameNotFoundException} if a package with the given name
1486     * cannot be found on the system.
1487     *
1488     * @param packageName The name of the package to inspect.
1489     * @return Returns either a fully-qualified Intent that can be used to launch
1490     *         the main Leanback activity in the package, or null if the package
1491     *         does not contain such an activity.
1492     */
1493    public abstract Intent getLeanbackLaunchIntentForPackage(String packageName);
1494
1495    /**
1496     * Return an array of all of the secondary group-ids that have been assigned
1497     * to a package.
1498     * <p>
1499     * Throws {@link NameNotFoundException} if a package with the given name
1500     * cannot be found on the system.
1501     *
1502     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1503     *            desired package.
1504     * @return Returns an int array of the assigned gids, or null if there are
1505     *         none.
1506     */
1507    public abstract int[] getPackageGids(String packageName)
1508            throws NameNotFoundException;
1509
1510    /**
1511     * @hide Return the uid associated with the given package name for the
1512     * given user.
1513     *
1514     * <p>Throws {@link NameNotFoundException} if a package with the given
1515     * name can not be found on the system.
1516     *
1517     * @param packageName The full name (i.e. com.google.apps.contacts) of the
1518     *                    desired package.
1519     * @param userHandle The user handle identifier to look up the package under.
1520     *
1521     * @return Returns an integer uid who owns the given package name.
1522     */
1523    public abstract int getPackageUid(String packageName, int userHandle)
1524            throws NameNotFoundException;
1525
1526    /**
1527     * Retrieve all of the information we know about a particular permission.
1528     *
1529     * <p>Throws {@link NameNotFoundException} if a permission with the given
1530     * name cannot be found on the system.
1531     *
1532     * @param name The fully qualified name (i.e. com.google.permission.LOGIN)
1533     *             of the permission you are interested in.
1534     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1535     * retrieve any meta-data associated with the permission.
1536     *
1537     * @return Returns a {@link PermissionInfo} containing information about the
1538     *         permission.
1539     */
1540    public abstract PermissionInfo getPermissionInfo(String name, int flags)
1541            throws NameNotFoundException;
1542
1543    /**
1544     * Query for all of the permissions associated with a particular group.
1545     *
1546     * <p>Throws {@link NameNotFoundException} if the given group does not
1547     * exist.
1548     *
1549     * @param group The fully qualified name (i.e. com.google.permission.LOGIN)
1550     *             of the permission group you are interested in.  Use null to
1551     *             find all of the permissions not associated with a group.
1552     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1553     * retrieve any meta-data associated with the permissions.
1554     *
1555     * @return Returns a list of {@link PermissionInfo} containing information
1556     * about all of the permissions in the given group.
1557     */
1558    public abstract List<PermissionInfo> queryPermissionsByGroup(String group,
1559            int flags) throws NameNotFoundException;
1560
1561    /**
1562     * Retrieve all of the information we know about a particular group of
1563     * permissions.
1564     *
1565     * <p>Throws {@link NameNotFoundException} if a permission group with the given
1566     * name cannot be found on the system.
1567     *
1568     * @param name The fully qualified name (i.e. com.google.permission_group.APPS)
1569     *             of the permission you are interested in.
1570     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1571     * retrieve any meta-data associated with the permission group.
1572     *
1573     * @return Returns a {@link PermissionGroupInfo} containing information
1574     * about the permission.
1575     */
1576    public abstract PermissionGroupInfo getPermissionGroupInfo(String name,
1577            int flags) throws NameNotFoundException;
1578
1579    /**
1580     * Retrieve all of the known permission groups in the system.
1581     *
1582     * @param flags Additional option flags.  Use {@link #GET_META_DATA} to
1583     * retrieve any meta-data associated with the permission group.
1584     *
1585     * @return Returns a list of {@link PermissionGroupInfo} containing
1586     * information about all of the known permission groups.
1587     */
1588    public abstract List<PermissionGroupInfo> getAllPermissionGroups(int flags);
1589
1590    /**
1591     * Retrieve all of the information we know about a particular
1592     * package/application.
1593     *
1594     * <p>Throws {@link NameNotFoundException} if an application with the given
1595     * package name cannot be found on the system.
1596     *
1597     * @param packageName The full name (i.e. com.google.apps.contacts) of an
1598     *                    application.
1599     * @param flags Additional option flags. Use any combination of
1600     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1601     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1602     *
1603     * @return  {@link ApplicationInfo} Returns ApplicationInfo object containing
1604     *         information about the package.
1605     *         If flag GET_UNINSTALLED_PACKAGES is set and  if the package is not
1606     *         found in the list of installed applications,
1607     *         the application information is retrieved from the
1608     *         list of uninstalled applications(which includes
1609     *         installed applications as well as applications
1610     *         with data directory ie applications which had been
1611     *         deleted with {@code DONT_DELETE_DATA} flag set).
1612     *
1613     * @see #GET_META_DATA
1614     * @see #GET_SHARED_LIBRARY_FILES
1615     * @see #GET_UNINSTALLED_PACKAGES
1616     */
1617    public abstract ApplicationInfo getApplicationInfo(String packageName,
1618            int flags) throws NameNotFoundException;
1619
1620    /**
1621     * Retrieve all of the information we know about a particular activity
1622     * class.
1623     *
1624     * <p>Throws {@link NameNotFoundException} if an activity with the given
1625     * class name cannot be found on the system.
1626     *
1627     * @param component The full component name (i.e.
1628     * com.google.apps.contacts/com.google.apps.contacts.ContactsList) of an Activity
1629     * class.
1630     * @param flags Additional option flags. Use any combination of
1631     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1632     * to modify the data (in ApplicationInfo) returned.
1633     *
1634     * @return {@link ActivityInfo} containing information about the activity.
1635     *
1636     * @see #GET_INTENT_FILTERS
1637     * @see #GET_META_DATA
1638     * @see #GET_SHARED_LIBRARY_FILES
1639     */
1640    public abstract ActivityInfo getActivityInfo(ComponentName component,
1641            int flags) throws NameNotFoundException;
1642
1643    /**
1644     * Retrieve all of the information we know about a particular receiver
1645     * class.
1646     *
1647     * <p>Throws {@link NameNotFoundException} if a receiver with the given
1648     * class name cannot be found on the system.
1649     *
1650     * @param component The full component name (i.e.
1651     * com.google.apps.calendar/com.google.apps.calendar.CalendarAlarm) of a Receiver
1652     * class.
1653     * @param flags Additional option flags.  Use any combination of
1654     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1655     * to modify the data returned.
1656     *
1657     * @return {@link ActivityInfo} containing information about the receiver.
1658     *
1659     * @see #GET_INTENT_FILTERS
1660     * @see #GET_META_DATA
1661     * @see #GET_SHARED_LIBRARY_FILES
1662     */
1663    public abstract ActivityInfo getReceiverInfo(ComponentName component,
1664            int flags) throws NameNotFoundException;
1665
1666    /**
1667     * Retrieve all of the information we know about a particular service
1668     * class.
1669     *
1670     * <p>Throws {@link NameNotFoundException} if a service with the given
1671     * class name cannot be found on the system.
1672     *
1673     * @param component The full component name (i.e.
1674     * com.google.apps.media/com.google.apps.media.BackgroundPlayback) of a Service
1675     * class.
1676     * @param flags Additional option flags.  Use any combination of
1677     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1678     * to modify the data returned.
1679     *
1680     * @return ServiceInfo containing information about the service.
1681     *
1682     * @see #GET_META_DATA
1683     * @see #GET_SHARED_LIBRARY_FILES
1684     */
1685    public abstract ServiceInfo getServiceInfo(ComponentName component,
1686            int flags) throws NameNotFoundException;
1687
1688    /**
1689     * Retrieve all of the information we know about a particular content
1690     * provider class.
1691     *
1692     * <p>Throws {@link NameNotFoundException} if a provider with the given
1693     * class name cannot be found on the system.
1694     *
1695     * @param component The full component name (i.e.
1696     * com.google.providers.media/com.google.providers.media.MediaProvider) of a
1697     * ContentProvider class.
1698     * @param flags Additional option flags.  Use any combination of
1699     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
1700     * to modify the data returned.
1701     *
1702     * @return ProviderInfo containing information about the service.
1703     *
1704     * @see #GET_META_DATA
1705     * @see #GET_SHARED_LIBRARY_FILES
1706     */
1707    public abstract ProviderInfo getProviderInfo(ComponentName component,
1708            int flags) throws NameNotFoundException;
1709
1710    /**
1711     * Return a List of all packages that are installed
1712     * on the device.
1713     *
1714     * @param flags Additional option flags. Use any combination of
1715     * {@link #GET_ACTIVITIES},
1716     * {@link #GET_GIDS},
1717     * {@link #GET_CONFIGURATIONS},
1718     * {@link #GET_INSTRUMENTATION},
1719     * {@link #GET_PERMISSIONS},
1720     * {@link #GET_PROVIDERS},
1721     * {@link #GET_RECEIVERS},
1722     * {@link #GET_SERVICES},
1723     * {@link #GET_SIGNATURES},
1724     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1725     *
1726     * @return A List of PackageInfo objects, one for each package that is
1727     *         installed on the device.  In the unlikely case of there being no
1728     *         installed packages, an empty list is returned.
1729     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1730     *         applications including those deleted with {@code DONT_DELETE_DATA}
1731     *         (partially installed apps with data directory) will be returned.
1732     *
1733     * @see #GET_ACTIVITIES
1734     * @see #GET_GIDS
1735     * @see #GET_CONFIGURATIONS
1736     * @see #GET_INSTRUMENTATION
1737     * @see #GET_PERMISSIONS
1738     * @see #GET_PROVIDERS
1739     * @see #GET_RECEIVERS
1740     * @see #GET_SERVICES
1741     * @see #GET_SIGNATURES
1742     * @see #GET_UNINSTALLED_PACKAGES
1743     */
1744    public abstract List<PackageInfo> getInstalledPackages(int flags);
1745
1746    /**
1747     * Return a List of all installed packages that are currently
1748     * holding any of the given permissions.
1749     *
1750     * @param flags Additional option flags. Use any combination of
1751     * {@link #GET_ACTIVITIES},
1752     * {@link #GET_GIDS},
1753     * {@link #GET_CONFIGURATIONS},
1754     * {@link #GET_INSTRUMENTATION},
1755     * {@link #GET_PERMISSIONS},
1756     * {@link #GET_PROVIDERS},
1757     * {@link #GET_RECEIVERS},
1758     * {@link #GET_SERVICES},
1759     * {@link #GET_SIGNATURES},
1760     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1761     *
1762     * @return Returns a List of PackageInfo objects, one for each installed
1763     * application that is holding any of the permissions that were provided.
1764     *
1765     * @see #GET_ACTIVITIES
1766     * @see #GET_GIDS
1767     * @see #GET_CONFIGURATIONS
1768     * @see #GET_INSTRUMENTATION
1769     * @see #GET_PERMISSIONS
1770     * @see #GET_PROVIDERS
1771     * @see #GET_RECEIVERS
1772     * @see #GET_SERVICES
1773     * @see #GET_SIGNATURES
1774     * @see #GET_UNINSTALLED_PACKAGES
1775     */
1776    public abstract List<PackageInfo> getPackagesHoldingPermissions(
1777            String[] permissions, int flags);
1778
1779    /**
1780     * Return a List of all packages that are installed on the device, for a specific user.
1781     * Requesting a list of installed packages for another user
1782     * will require the permission INTERACT_ACROSS_USERS_FULL.
1783     * @param flags Additional option flags. Use any combination of
1784     * {@link #GET_ACTIVITIES},
1785     * {@link #GET_GIDS},
1786     * {@link #GET_CONFIGURATIONS},
1787     * {@link #GET_INSTRUMENTATION},
1788     * {@link #GET_PERMISSIONS},
1789     * {@link #GET_PROVIDERS},
1790     * {@link #GET_RECEIVERS},
1791     * {@link #GET_SERVICES},
1792     * {@link #GET_SIGNATURES},
1793     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
1794     * @param userId The user for whom the installed packages are to be listed
1795     *
1796     * @return A List of PackageInfo objects, one for each package that is
1797     *         installed on the device.  In the unlikely case of there being no
1798     *         installed packages, an empty list is returned.
1799     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
1800     *         applications including those deleted with {@code DONT_DELETE_DATA}
1801     *         (partially installed apps with data directory) will be returned.
1802     *
1803     * @see #GET_ACTIVITIES
1804     * @see #GET_GIDS
1805     * @see #GET_CONFIGURATIONS
1806     * @see #GET_INSTRUMENTATION
1807     * @see #GET_PERMISSIONS
1808     * @see #GET_PROVIDERS
1809     * @see #GET_RECEIVERS
1810     * @see #GET_SERVICES
1811     * @see #GET_SIGNATURES
1812     * @see #GET_UNINSTALLED_PACKAGES
1813     *
1814     * @hide
1815     */
1816    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
1817
1818    /**
1819     * Check whether a particular package has been granted a particular
1820     * permission.
1821     *
1822     * @param permName The name of the permission you are checking for,
1823     * @param pkgName The name of the package you are checking against.
1824     *
1825     * @return If the package has the permission, PERMISSION_GRANTED is
1826     * returned.  If it does not have the permission, PERMISSION_DENIED
1827     * is returned.
1828     *
1829     * @see #PERMISSION_GRANTED
1830     * @see #PERMISSION_DENIED
1831     */
1832    public abstract int checkPermission(String permName, String pkgName);
1833
1834    /**
1835     * Add a new dynamic permission to the system.  For this to work, your
1836     * package must have defined a permission tree through the
1837     * {@link android.R.styleable#AndroidManifestPermissionTree
1838     * &lt;permission-tree&gt;} tag in its manifest.  A package can only add
1839     * permissions to trees that were defined by either its own package or
1840     * another with the same user id; a permission is in a tree if it
1841     * matches the name of the permission tree + ".": for example,
1842     * "com.foo.bar" is a member of the permission tree "com.foo".
1843     *
1844     * <p>It is good to make your permission tree name descriptive, because you
1845     * are taking possession of that entire set of permission names.  Thus, it
1846     * must be under a domain you control, with a suffix that will not match
1847     * any normal permissions that may be declared in any applications that
1848     * are part of that domain.
1849     *
1850     * <p>New permissions must be added before
1851     * any .apks are installed that use those permissions.  Permissions you
1852     * add through this method are remembered across reboots of the device.
1853     * If the given permission already exists, the info you supply here
1854     * will be used to update it.
1855     *
1856     * @param info Description of the permission to be added.
1857     *
1858     * @return Returns true if a new permission was created, false if an
1859     * existing one was updated.
1860     *
1861     * @throws SecurityException if you are not allowed to add the
1862     * given permission name.
1863     *
1864     * @see #removePermission(String)
1865     */
1866    public abstract boolean addPermission(PermissionInfo info);
1867
1868    /**
1869     * Like {@link #addPermission(PermissionInfo)} but asynchronously
1870     * persists the package manager state after returning from the call,
1871     * allowing it to return quicker and batch a series of adds at the
1872     * expense of no guarantee the added permission will be retained if
1873     * the device is rebooted before it is written.
1874     */
1875    public abstract boolean addPermissionAsync(PermissionInfo info);
1876
1877    /**
1878     * Removes a permission that was previously added with
1879     * {@link #addPermission(PermissionInfo)}.  The same ownership rules apply
1880     * -- you are only allowed to remove permissions that you are allowed
1881     * to add.
1882     *
1883     * @param name The name of the permission to remove.
1884     *
1885     * @throws SecurityException if you are not allowed to remove the
1886     * given permission name.
1887     *
1888     * @see #addPermission(PermissionInfo)
1889     */
1890    public abstract void removePermission(String name);
1891
1892    /**
1893     * Returns an {@link Intent} suitable for passing to {@code startActivityForResult}
1894     * which prompts the user to grant {@code permissions} to this application.
1895     * @hide
1896     *
1897     * @throws NullPointerException if {@code permissions} is {@code null}.
1898     * @throws IllegalArgumentException if {@code permissions} contains {@code null}.
1899     */
1900    public Intent buildPermissionRequestIntent(String... permissions) {
1901        if (permissions == null) {
1902            throw new NullPointerException("permissions cannot be null");
1903        }
1904        for (String permission : permissions) {
1905            if (permission == null) {
1906                throw new IllegalArgumentException("permissions cannot contain null");
1907            }
1908        }
1909
1910        Intent i = new Intent(ACTION_REQUEST_PERMISSION);
1911        i.putExtra(EXTRA_REQUEST_PERMISSION_PERMISSION_LIST, permissions);
1912        i.setPackage("com.android.packageinstaller");
1913        return i;
1914    }
1915
1916    /**
1917     * Grant a permission to an application which the application does not
1918     * already have.  The permission must have been requested by the application,
1919     * but as an optional permission.  If the application is not allowed to
1920     * hold the permission, a SecurityException is thrown.
1921     * @hide
1922     *
1923     * @param packageName The name of the package that the permission will be
1924     * granted to.
1925     * @param permissionName The name of the permission.
1926     */
1927    public abstract void grantPermission(String packageName, String permissionName);
1928
1929    /**
1930     * Revoke a permission that was previously granted by {@link #grantPermission}.
1931     * @hide
1932     *
1933     * @param packageName The name of the package that the permission will be
1934     * granted to.
1935     * @param permissionName The name of the permission.
1936     */
1937    public abstract void revokePermission(String packageName, String permissionName);
1938
1939    /**
1940     * Compare the signatures of two packages to determine if the same
1941     * signature appears in both of them.  If they do contain the same
1942     * signature, then they are allowed special privileges when working
1943     * with each other: they can share the same user-id, run instrumentation
1944     * against each other, etc.
1945     *
1946     * @param pkg1 First package name whose signature will be compared.
1947     * @param pkg2 Second package name whose signature will be compared.
1948     *
1949     * @return Returns an integer indicating whether all signatures on the
1950     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1951     * all signatures match or < 0 if there is not a match ({@link
1952     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1953     *
1954     * @see #checkSignatures(int, int)
1955     * @see #SIGNATURE_MATCH
1956     * @see #SIGNATURE_NO_MATCH
1957     * @see #SIGNATURE_UNKNOWN_PACKAGE
1958     */
1959    public abstract int checkSignatures(String pkg1, String pkg2);
1960
1961    /**
1962     * Like {@link #checkSignatures(String, String)}, but takes UIDs of
1963     * the two packages to be checked.  This can be useful, for example,
1964     * when doing the check in an IPC, where the UID is the only identity
1965     * available.  It is functionally identical to determining the package
1966     * associated with the UIDs and checking their signatures.
1967     *
1968     * @param uid1 First UID whose signature will be compared.
1969     * @param uid2 Second UID whose signature will be compared.
1970     *
1971     * @return Returns an integer indicating whether all signatures on the
1972     * two packages match. The value is >= 0 ({@link #SIGNATURE_MATCH}) if
1973     * all signatures match or < 0 if there is not a match ({@link
1974     * #SIGNATURE_NO_MATCH} or {@link #SIGNATURE_UNKNOWN_PACKAGE}).
1975     *
1976     * @see #checkSignatures(String, String)
1977     * @see #SIGNATURE_MATCH
1978     * @see #SIGNATURE_NO_MATCH
1979     * @see #SIGNATURE_UNKNOWN_PACKAGE
1980     */
1981    public abstract int checkSignatures(int uid1, int uid2);
1982
1983    /**
1984     * Retrieve the names of all packages that are associated with a particular
1985     * user id.  In most cases, this will be a single package name, the package
1986     * that has been assigned that user id.  Where there are multiple packages
1987     * sharing the same user id through the "sharedUserId" mechanism, all
1988     * packages with that id will be returned.
1989     *
1990     * @param uid The user id for which you would like to retrieve the
1991     * associated packages.
1992     *
1993     * @return Returns an array of one or more packages assigned to the user
1994     * id, or null if there are no known packages with the given id.
1995     */
1996    public abstract String[] getPackagesForUid(int uid);
1997
1998    /**
1999     * Retrieve the official name associated with a user id.  This name is
2000     * guaranteed to never change, though it is possibly for the underlying
2001     * user id to be changed.  That is, if you are storing information about
2002     * user ids in persistent storage, you should use the string returned
2003     * by this function instead of the raw user-id.
2004     *
2005     * @param uid The user id for which you would like to retrieve a name.
2006     * @return Returns a unique name for the given user id, or null if the
2007     * user id is not currently assigned.
2008     */
2009    public abstract String getNameForUid(int uid);
2010
2011    /**
2012     * Return the user id associated with a shared user name. Multiple
2013     * applications can specify a shared user name in their manifest and thus
2014     * end up using a common uid. This might be used for new applications
2015     * that use an existing shared user name and need to know the uid of the
2016     * shared user.
2017     *
2018     * @param sharedUserName The shared user name whose uid is to be retrieved.
2019     * @return Returns the uid associated with the shared user, or  NameNotFoundException
2020     * if the shared user name is not being used by any installed packages
2021     * @hide
2022     */
2023    public abstract int getUidForSharedUser(String sharedUserName)
2024            throws NameNotFoundException;
2025
2026    /**
2027     * Return a List of all application packages that are installed on the
2028     * device. If flag GET_UNINSTALLED_PACKAGES has been set, a list of all
2029     * applications including those deleted with {@code DONT_DELETE_DATA} (partially
2030     * installed apps with data directory) will be returned.
2031     *
2032     * @param flags Additional option flags. Use any combination of
2033     * {@link #GET_META_DATA}, {@link #GET_SHARED_LIBRARY_FILES},
2034     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
2035     *
2036     * @return Returns a List of ApplicationInfo objects, one for each application that
2037     *         is installed on the device.  In the unlikely case of there being
2038     *         no installed applications, an empty list is returned.
2039     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
2040     *         applications including those deleted with {@code DONT_DELETE_DATA}
2041     *         (partially installed apps with data directory) will be returned.
2042     *
2043     * @see #GET_META_DATA
2044     * @see #GET_SHARED_LIBRARY_FILES
2045     * @see #GET_UNINSTALLED_PACKAGES
2046     */
2047    public abstract List<ApplicationInfo> getInstalledApplications(int flags);
2048
2049    /**
2050     * Get a list of shared libraries that are available on the
2051     * system.
2052     *
2053     * @return An array of shared library names that are
2054     * available on the system, or null if none are installed.
2055     *
2056     */
2057    public abstract String[] getSystemSharedLibraryNames();
2058
2059    /**
2060     * Get a list of features that are available on the
2061     * system.
2062     *
2063     * @return An array of FeatureInfo classes describing the features
2064     * that are available on the system, or null if there are none(!!).
2065     */
2066    public abstract FeatureInfo[] getSystemAvailableFeatures();
2067
2068    /**
2069     * Check whether the given feature name is one of the available
2070     * features as returned by {@link #getSystemAvailableFeatures()}.
2071     *
2072     * @return Returns true if the devices supports the feature, else
2073     * false.
2074     */
2075    public abstract boolean hasSystemFeature(String name);
2076
2077    /**
2078     * Determine the best action to perform for a given Intent.  This is how
2079     * {@link Intent#resolveActivity} finds an activity if a class has not
2080     * been explicitly specified.
2081     *
2082     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2083     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2084     * only flag.  You need to do so to resolve the activity in the same way
2085     * that {@link android.content.Context#startActivity(Intent)} and
2086     * {@link android.content.Intent#resolveActivity(PackageManager)
2087     * Intent.resolveActivity(PackageManager)} do.</p>
2088     *
2089     * @param intent An intent containing all of the desired specification
2090     *               (action, data, type, category, and/or component).
2091     * @param flags Additional option flags.  The most important is
2092     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2093     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2094     *
2095     * @return Returns a ResolveInfo containing the final activity intent that
2096     *         was determined to be the best action.  Returns null if no
2097     *         matching activity was found. If multiple matching activities are
2098     *         found and there is no default set, returns a ResolveInfo
2099     *         containing something else, such as the activity resolver.
2100     *
2101     * @see #MATCH_DEFAULT_ONLY
2102     * @see #GET_INTENT_FILTERS
2103     * @see #GET_RESOLVED_FILTER
2104     */
2105    public abstract ResolveInfo resolveActivity(Intent intent, int flags);
2106
2107    /**
2108     * Determine the best action to perform for a given Intent for a given user. This
2109     * is how {@link Intent#resolveActivity} finds an activity if a class has not
2110     * been explicitly specified.
2111     *
2112     * <p><em>Note:</em> if using an implicit Intent (without an explicit ComponentName
2113     * specified), be sure to consider whether to set the {@link #MATCH_DEFAULT_ONLY}
2114     * only flag.  You need to do so to resolve the activity in the same way
2115     * that {@link android.content.Context#startActivity(Intent)} and
2116     * {@link android.content.Intent#resolveActivity(PackageManager)
2117     * Intent.resolveActivity(PackageManager)} do.</p>
2118     *
2119     * @param intent An intent containing all of the desired specification
2120     *               (action, data, type, category, and/or component).
2121     * @param flags Additional option flags.  The most important is
2122     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2123     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2124     * @param userId The user id.
2125     *
2126     * @return Returns a ResolveInfo containing the final activity intent that
2127     *         was determined to be the best action.  Returns null if no
2128     *         matching activity was found. If multiple matching activities are
2129     *         found and there is no default set, returns a ResolveInfo
2130     *         containing something else, such as the activity resolver.
2131     *
2132     * @see #MATCH_DEFAULT_ONLY
2133     * @see #GET_INTENT_FILTERS
2134     * @see #GET_RESOLVED_FILTER
2135     *
2136     * @hide
2137     */
2138    public abstract ResolveInfo resolveActivityAsUser(Intent intent, int flags, int userId);
2139
2140    /**
2141     * Retrieve all activities that can be performed for the given intent.
2142     *
2143     * @param intent The desired intent as per resolveActivity().
2144     * @param flags Additional option flags.  The most important is
2145     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2146     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2147     *
2148     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2149     *         Activity. These are ordered from best to worst match -- that
2150     *         is, the first item in the list is what is returned by
2151     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2152     *         list is returned.
2153     *
2154     * @see #MATCH_DEFAULT_ONLY
2155     * @see #GET_INTENT_FILTERS
2156     * @see #GET_RESOLVED_FILTER
2157     */
2158    public abstract List<ResolveInfo> queryIntentActivities(Intent intent,
2159            int flags);
2160
2161    /**
2162     * Retrieve all activities that can be performed for the given intent, for a specific user.
2163     *
2164     * @param intent The desired intent as per resolveActivity().
2165     * @param flags Additional option flags.  The most important is
2166     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2167     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2168     *
2169     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2170     *         Activity. These are ordered from best to worst match -- that
2171     *         is, the first item in the list is what is returned by
2172     *         {@link #resolveActivity}.  If there are no matching activities, an empty
2173     *         list is returned.
2174     *
2175     * @see #MATCH_DEFAULT_ONLY
2176     * @see #GET_INTENT_FILTERS
2177     * @see #GET_RESOLVED_FILTER
2178     * @hide
2179     */
2180    public abstract List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent,
2181            int flags, int userId);
2182
2183
2184    /**
2185     * Retrieve a set of activities that should be presented to the user as
2186     * similar options.  This is like {@link #queryIntentActivities}, except it
2187     * also allows you to supply a list of more explicit Intents that you would
2188     * like to resolve to particular options, and takes care of returning the
2189     * final ResolveInfo list in a reasonable order, with no duplicates, based
2190     * on those inputs.
2191     *
2192     * @param caller The class name of the activity that is making the
2193     *               request.  This activity will never appear in the output
2194     *               list.  Can be null.
2195     * @param specifics An array of Intents that should be resolved to the
2196     *                  first specific results.  Can be null.
2197     * @param intent The desired intent as per resolveActivity().
2198     * @param flags Additional option flags.  The most important is
2199     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
2200     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
2201     *
2202     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2203     *         Activity. These are ordered first by all of the intents resolved
2204     *         in <var>specifics</var> and then any additional activities that
2205     *         can handle <var>intent</var> but did not get included by one of
2206     *         the <var>specifics</var> intents.  If there are no matching
2207     *         activities, an empty list is returned.
2208     *
2209     * @see #MATCH_DEFAULT_ONLY
2210     * @see #GET_INTENT_FILTERS
2211     * @see #GET_RESOLVED_FILTER
2212     */
2213    public abstract List<ResolveInfo> queryIntentActivityOptions(
2214            ComponentName caller, Intent[] specifics, Intent intent, int flags);
2215
2216    /**
2217     * Retrieve all receivers that can handle a broadcast of the given intent.
2218     *
2219     * @param intent The desired intent as per resolveActivity().
2220     * @param flags Additional option flags.
2221     *
2222     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2223     *         Receiver. These are ordered from first to last in priority.  If
2224     *         there are no matching receivers, an empty list is returned.
2225     *
2226     * @see #MATCH_DEFAULT_ONLY
2227     * @see #GET_INTENT_FILTERS
2228     * @see #GET_RESOLVED_FILTER
2229     */
2230    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2231            int flags);
2232
2233    /**
2234     * Retrieve all receivers that can handle a broadcast of the given intent, for a specific
2235     * user.
2236     *
2237     * @param intent The desired intent as per resolveActivity().
2238     * @param flags Additional option flags.
2239     * @param userId The userId of the user being queried.
2240     *
2241     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2242     *         Receiver. These are ordered from first to last in priority.  If
2243     *         there are no matching receivers, an empty list is returned.
2244     *
2245     * @see #MATCH_DEFAULT_ONLY
2246     * @see #GET_INTENT_FILTERS
2247     * @see #GET_RESOLVED_FILTER
2248     * @hide
2249     */
2250    public abstract List<ResolveInfo> queryBroadcastReceivers(Intent intent,
2251            int flags, int userId);
2252
2253    /**
2254     * Determine the best service to handle for a given Intent.
2255     *
2256     * @param intent An intent containing all of the desired specification
2257     *               (action, data, type, category, and/or component).
2258     * @param flags Additional option flags.
2259     *
2260     * @return Returns a ResolveInfo containing the final service intent that
2261     *         was determined to be the best action.  Returns null if no
2262     *         matching service was found.
2263     *
2264     * @see #GET_INTENT_FILTERS
2265     * @see #GET_RESOLVED_FILTER
2266     */
2267    public abstract ResolveInfo resolveService(Intent intent, int flags);
2268
2269    /**
2270     * Retrieve all services that can match the given intent.
2271     *
2272     * @param intent The desired intent as per resolveService().
2273     * @param flags Additional option flags.
2274     *
2275     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2276     *         ServiceInfo. These are ordered from best to worst match -- that
2277     *         is, the first item in the list is what is returned by
2278     *         resolveService().  If there are no matching services, an empty
2279     *         list is returned.
2280     *
2281     * @see #GET_INTENT_FILTERS
2282     * @see #GET_RESOLVED_FILTER
2283     */
2284    public abstract List<ResolveInfo> queryIntentServices(Intent intent,
2285            int flags);
2286
2287    /**
2288     * Retrieve all services that can match the given intent for a given user.
2289     *
2290     * @param intent The desired intent as per resolveService().
2291     * @param flags Additional option flags.
2292     * @param userId The user id.
2293     *
2294     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2295     *         ServiceInfo. These are ordered from best to worst match -- that
2296     *         is, the first item in the list is what is returned by
2297     *         resolveService().  If there are no matching services, an empty
2298     *         list is returned.
2299     *
2300     * @see #GET_INTENT_FILTERS
2301     * @see #GET_RESOLVED_FILTER
2302     *
2303     * @hide
2304     */
2305    public abstract List<ResolveInfo> queryIntentServicesAsUser(Intent intent,
2306            int flags, int userId);
2307
2308    /** {@hide} */
2309    public abstract List<ResolveInfo> queryIntentContentProvidersAsUser(
2310            Intent intent, int flags, int userId);
2311
2312    /**
2313     * Retrieve all providers that can match the given intent.
2314     *
2315     * @param intent An intent containing all of the desired specification
2316     *            (action, data, type, category, and/or component).
2317     * @param flags Additional option flags.
2318     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
2319     *         ProviderInfo. These are ordered from best to worst match. If
2320     *         there are no matching providers, an empty list is returned.
2321     * @see #GET_INTENT_FILTERS
2322     * @see #GET_RESOLVED_FILTER
2323     */
2324    public abstract List<ResolveInfo> queryIntentContentProviders(Intent intent, int flags);
2325
2326    /**
2327     * Find a single content provider by its base path name.
2328     *
2329     * @param name The name of the provider to find.
2330     * @param flags Additional option flags.  Currently should always be 0.
2331     *
2332     * @return ContentProviderInfo Information about the provider, if found,
2333     *         else null.
2334     */
2335    public abstract ProviderInfo resolveContentProvider(String name,
2336            int flags);
2337
2338    /**
2339     * Retrieve content provider information.
2340     *
2341     * <p><em>Note: unlike most other methods, an empty result set is indicated
2342     * by a null return instead of an empty list.</em>
2343     *
2344     * @param processName If non-null, limits the returned providers to only
2345     *                    those that are hosted by the given process.  If null,
2346     *                    all content providers are returned.
2347     * @param uid If <var>processName</var> is non-null, this is the required
2348     *        uid owning the requested content providers.
2349     * @param flags Additional option flags.  Currently should always be 0.
2350     *
2351     * @return A List&lt;ContentProviderInfo&gt; containing one entry for each
2352     *         content provider either patching <var>processName</var> or, if
2353     *         <var>processName</var> is null, all known content providers.
2354     *         <em>If there are no matching providers, null is returned.</em>
2355     */
2356    public abstract List<ProviderInfo> queryContentProviders(
2357            String processName, int uid, int flags);
2358
2359    /**
2360     * Retrieve all of the information we know about a particular
2361     * instrumentation class.
2362     *
2363     * <p>Throws {@link NameNotFoundException} if instrumentation with the
2364     * given class name cannot be found on the system.
2365     *
2366     * @param className The full name (i.e.
2367     *                  com.google.apps.contacts.InstrumentList) of an
2368     *                  Instrumentation class.
2369     * @param flags Additional option flags.  Currently should always be 0.
2370     *
2371     * @return InstrumentationInfo containing information about the
2372     *         instrumentation.
2373     */
2374    public abstract InstrumentationInfo getInstrumentationInfo(
2375            ComponentName className, int flags) throws NameNotFoundException;
2376
2377    /**
2378     * Retrieve information about available instrumentation code.  May be used
2379     * to retrieve either all instrumentation code, or only the code targeting
2380     * a particular package.
2381     *
2382     * @param targetPackage If null, all instrumentation is returned; only the
2383     *                      instrumentation targeting this package name is
2384     *                      returned.
2385     * @param flags Additional option flags.  Currently should always be 0.
2386     *
2387     * @return A List&lt;InstrumentationInfo&gt; containing one entry for each
2388     *         matching available Instrumentation.  Returns an empty list if
2389     *         there is no instrumentation available for the given package.
2390     */
2391    public abstract List<InstrumentationInfo> queryInstrumentation(
2392            String targetPackage, int flags);
2393
2394    /**
2395     * Retrieve an image from a package.  This is a low-level API used by
2396     * the various package manager info structures (such as
2397     * {@link ComponentInfo} to implement retrieval of their associated
2398     * icon.
2399     *
2400     * @param packageName The name of the package that this icon is coming from.
2401     * Cannot be null.
2402     * @param resid The resource identifier of the desired image.  Cannot be 0.
2403     * @param appInfo Overall information about <var>packageName</var>.  This
2404     * may be null, in which case the application information will be retrieved
2405     * for you if needed; if you already have this information around, it can
2406     * be much more efficient to supply it here.
2407     *
2408     * @return Returns a Drawable holding the requested image.  Returns null if
2409     * an image could not be found for any reason.
2410     */
2411    public abstract Drawable getDrawable(String packageName, int resid,
2412            ApplicationInfo appInfo);
2413
2414    /**
2415     * Retrieve the icon associated with an activity.  Given the full name of
2416     * an activity, retrieves the information about it and calls
2417     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its icon.
2418     * If the activity cannot be found, NameNotFoundException is thrown.
2419     *
2420     * @param activityName Name of the activity whose icon is to be retrieved.
2421     *
2422     * @return Returns the image of the icon, or the default activity icon if
2423     * it could not be found.  Does not return null.
2424     * @throws NameNotFoundException Thrown if the resources for the given
2425     * activity could not be loaded.
2426     *
2427     * @see #getActivityIcon(Intent)
2428     */
2429    public abstract Drawable getActivityIcon(ComponentName activityName)
2430            throws NameNotFoundException;
2431
2432    /**
2433     * Retrieve the icon associated with an Intent.  If intent.getClassName() is
2434     * set, this simply returns the result of
2435     * getActivityIcon(intent.getClassName()).  Otherwise it resolves the intent's
2436     * component and returns the icon associated with the resolved component.
2437     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2438     * to a component, NameNotFoundException is thrown.
2439     *
2440     * @param intent The intent for which you would like to retrieve an icon.
2441     *
2442     * @return Returns the image of the icon, or the default activity icon if
2443     * it could not be found.  Does not return null.
2444     * @throws NameNotFoundException Thrown if the resources for application
2445     * matching the given intent could not be loaded.
2446     *
2447     * @see #getActivityIcon(ComponentName)
2448     */
2449    public abstract Drawable getActivityIcon(Intent intent)
2450            throws NameNotFoundException;
2451
2452    /**
2453     * Retrieve the banner associated with an activity. Given the full name of
2454     * an activity, retrieves the information about it and calls
2455     * {@link ComponentInfo#loadIcon ComponentInfo.loadIcon()} to return its
2456     * banner. If the activity cannot be found, NameNotFoundException is thrown.
2457     *
2458     * @param activityName Name of the activity whose banner is to be retrieved.
2459     * @return Returns the image of the banner, or null if the activity has no
2460     *         banner specified.
2461     * @throws NameNotFoundException Thrown if the resources for the given
2462     *             activity could not be loaded.
2463     * @see #getActivityBanner(Intent)
2464     */
2465    public abstract Drawable getActivityBanner(ComponentName activityName)
2466            throws NameNotFoundException;
2467
2468    /**
2469     * Retrieve the banner associated with an Intent. If intent.getClassName()
2470     * is set, this simply returns the result of
2471     * getActivityBanner(intent.getClassName()). Otherwise it resolves the
2472     * intent's component and returns the banner associated with the resolved
2473     * component. If intent.getClassName() cannot be found or the Intent cannot
2474     * be resolved to a component, NameNotFoundException is thrown.
2475     *
2476     * @param intent The intent for which you would like to retrieve a banner.
2477     * @return Returns the image of the banner, or null if the activity has no
2478     *         banner specified.
2479     * @throws NameNotFoundException Thrown if the resources for application
2480     *             matching the given intent could not be loaded.
2481     * @see #getActivityBanner(ComponentName)
2482     */
2483    public abstract Drawable getActivityBanner(Intent intent)
2484            throws NameNotFoundException;
2485
2486    /**
2487     * Return the generic icon for an activity that is used when no specific
2488     * icon is defined.
2489     *
2490     * @return Drawable Image of the icon.
2491     */
2492    public abstract Drawable getDefaultActivityIcon();
2493
2494    /**
2495     * Retrieve the icon associated with an application.  If it has not defined
2496     * an icon, the default app icon is returned.  Does not return null.
2497     *
2498     * @param info Information about application being queried.
2499     *
2500     * @return Returns the image of the icon, or the default application icon
2501     * if it could not be found.
2502     *
2503     * @see #getApplicationIcon(String)
2504     */
2505    public abstract Drawable getApplicationIcon(ApplicationInfo info);
2506
2507    /**
2508     * Retrieve the icon associated with an application.  Given the name of the
2509     * application's package, retrieves the information about it and calls
2510     * getApplicationIcon() to return its icon. If the application cannot be
2511     * found, NameNotFoundException is thrown.
2512     *
2513     * @param packageName Name of the package whose application icon is to be
2514     *                    retrieved.
2515     *
2516     * @return Returns the image of the icon, or the default application icon
2517     * if it could not be found.  Does not return null.
2518     * @throws NameNotFoundException Thrown if the resources for the given
2519     * application could not be loaded.
2520     *
2521     * @see #getApplicationIcon(ApplicationInfo)
2522     */
2523    public abstract Drawable getApplicationIcon(String packageName)
2524            throws NameNotFoundException;
2525
2526    /**
2527     * Retrieve the banner associated with an application.
2528     *
2529     * @param info Information about application being queried.
2530     * @return Returns the image of the banner or null if the application has no
2531     *         banner specified.
2532     * @see #getApplicationBanner(String)
2533     */
2534    public abstract Drawable getApplicationBanner(ApplicationInfo info);
2535
2536    /**
2537     * Retrieve the banner associated with an application. Given the name of the
2538     * application's package, retrieves the information about it and calls
2539     * getApplicationIcon() to return its banner. If the application cannot be
2540     * found, NameNotFoundException is thrown.
2541     *
2542     * @param packageName Name of the package whose application banner is to be
2543     *            retrieved.
2544     * @return Returns the image of the banner or null if the application has no
2545     *         banner specified.
2546     * @throws NameNotFoundException Thrown if the resources for the given
2547     *             application could not be loaded.
2548     * @see #getApplicationBanner(ApplicationInfo)
2549     */
2550    public abstract Drawable getApplicationBanner(String packageName)
2551            throws NameNotFoundException;
2552
2553    /**
2554     * Retrieve the logo associated with an activity. Given the full name of an
2555     * activity, retrieves the information about it and calls
2556     * {@link ComponentInfo#loadLogo ComponentInfo.loadLogo()} to return its
2557     * logo. If the activity cannot be found, NameNotFoundException is thrown.
2558     *
2559     * @param activityName Name of the activity whose logo is to be retrieved.
2560     * @return Returns the image of the logo or null if the activity has no logo
2561     *         specified.
2562     * @throws NameNotFoundException Thrown if the resources for the given
2563     *             activity could not be loaded.
2564     * @see #getActivityLogo(Intent)
2565     */
2566    public abstract Drawable getActivityLogo(ComponentName activityName)
2567            throws NameNotFoundException;
2568
2569    /**
2570     * Retrieve the logo associated with an Intent.  If intent.getClassName() is
2571     * set, this simply returns the result of
2572     * getActivityLogo(intent.getClassName()).  Otherwise it resolves the intent's
2573     * component and returns the logo associated with the resolved component.
2574     * If intent.getClassName() cannot be found or the Intent cannot be resolved
2575     * to a component, NameNotFoundException is thrown.
2576     *
2577     * @param intent The intent for which you would like to retrieve a logo.
2578     *
2579     * @return Returns the image of the logo, or null if the activity has no
2580     * logo specified.
2581     *
2582     * @throws NameNotFoundException Thrown if the resources for application
2583     * matching the given intent could not be loaded.
2584     *
2585     * @see #getActivityLogo(ComponentName)
2586     */
2587    public abstract Drawable getActivityLogo(Intent intent)
2588            throws NameNotFoundException;
2589
2590    /**
2591     * Retrieve the logo associated with an application.  If it has not specified
2592     * a logo, this method returns null.
2593     *
2594     * @param info Information about application being queried.
2595     *
2596     * @return Returns the image of the logo, or null if no logo is specified
2597     * by the application.
2598     *
2599     * @see #getApplicationLogo(String)
2600     */
2601    public abstract Drawable getApplicationLogo(ApplicationInfo info);
2602
2603    /**
2604     * Retrieve the logo associated with an application.  Given the name of the
2605     * application's package, retrieves the information about it and calls
2606     * getApplicationLogo() to return its logo. If the application cannot be
2607     * found, NameNotFoundException is thrown.
2608     *
2609     * @param packageName Name of the package whose application logo is to be
2610     *                    retrieved.
2611     *
2612     * @return Returns the image of the logo, or null if no application logo
2613     * has been specified.
2614     *
2615     * @throws NameNotFoundException Thrown if the resources for the given
2616     * application could not be loaded.
2617     *
2618     * @see #getApplicationLogo(ApplicationInfo)
2619     */
2620    public abstract Drawable getApplicationLogo(String packageName)
2621            throws NameNotFoundException;
2622
2623    /**
2624     * Retrieve text from a package.  This is a low-level API used by
2625     * the various package manager info structures (such as
2626     * {@link ComponentInfo} to implement retrieval of their associated
2627     * labels and other text.
2628     *
2629     * @param packageName The name of the package that this text is coming from.
2630     * Cannot be null.
2631     * @param resid The resource identifier of the desired text.  Cannot be 0.
2632     * @param appInfo Overall information about <var>packageName</var>.  This
2633     * may be null, in which case the application information will be retrieved
2634     * for you if needed; if you already have this information around, it can
2635     * be much more efficient to supply it here.
2636     *
2637     * @return Returns a CharSequence holding the requested text.  Returns null
2638     * if the text could not be found for any reason.
2639     */
2640    public abstract CharSequence getText(String packageName, int resid,
2641            ApplicationInfo appInfo);
2642
2643    /**
2644     * Retrieve an XML file from a package.  This is a low-level API used to
2645     * retrieve XML meta data.
2646     *
2647     * @param packageName The name of the package that this xml is coming from.
2648     * Cannot be null.
2649     * @param resid The resource identifier of the desired xml.  Cannot be 0.
2650     * @param appInfo Overall information about <var>packageName</var>.  This
2651     * may be null, in which case the application information will be retrieved
2652     * for you if needed; if you already have this information around, it can
2653     * be much more efficient to supply it here.
2654     *
2655     * @return Returns an XmlPullParser allowing you to parse out the XML
2656     * data.  Returns null if the xml resource could not be found for any
2657     * reason.
2658     */
2659    public abstract XmlResourceParser getXml(String packageName, int resid,
2660            ApplicationInfo appInfo);
2661
2662    /**
2663     * Return the label to use for this application.
2664     *
2665     * @return Returns the label associated with this application, or null if
2666     * it could not be found for any reason.
2667     * @param info The application to get the label of.
2668     */
2669    public abstract CharSequence getApplicationLabel(ApplicationInfo info);
2670
2671    /**
2672     * Retrieve the resources associated with an activity.  Given the full
2673     * name of an activity, retrieves the information about it and calls
2674     * getResources() to return its application's resources.  If the activity
2675     * cannot be found, NameNotFoundException is thrown.
2676     *
2677     * @param activityName Name of the activity whose resources are to be
2678     *                     retrieved.
2679     *
2680     * @return Returns the application's Resources.
2681     * @throws NameNotFoundException Thrown if the resources for the given
2682     * application could not be loaded.
2683     *
2684     * @see #getResourcesForApplication(ApplicationInfo)
2685     */
2686    public abstract Resources getResourcesForActivity(ComponentName activityName)
2687            throws NameNotFoundException;
2688
2689    /**
2690     * Retrieve the resources for an application.  Throws NameNotFoundException
2691     * if the package is no longer installed.
2692     *
2693     * @param app Information about the desired application.
2694     *
2695     * @return Returns the application's Resources.
2696     * @throws NameNotFoundException Thrown if the resources for the given
2697     * application could not be loaded (most likely because it was uninstalled).
2698     */
2699    public abstract Resources getResourcesForApplication(ApplicationInfo app)
2700            throws NameNotFoundException;
2701
2702    /**
2703     * Retrieve the resources associated with an application.  Given the full
2704     * package name of an application, retrieves the information about it and
2705     * calls getResources() to return its application's resources.  If the
2706     * appPackageName cannot be found, NameNotFoundException is thrown.
2707     *
2708     * @param appPackageName Package name of the application whose resources
2709     *                       are to be retrieved.
2710     *
2711     * @return Returns the application's Resources.
2712     * @throws NameNotFoundException Thrown if the resources for the given
2713     * application could not be loaded.
2714     *
2715     * @see #getResourcesForApplication(ApplicationInfo)
2716     */
2717    public abstract Resources getResourcesForApplication(String appPackageName)
2718            throws NameNotFoundException;
2719
2720    /** @hide */
2721    public abstract Resources getResourcesForApplicationAsUser(String appPackageName, int userId)
2722            throws NameNotFoundException;
2723
2724    /**
2725     * Retrieve overall information about an application package defined
2726     * in a package archive file
2727     *
2728     * @param archiveFilePath The path to the archive file
2729     * @param flags Additional option flags. Use any combination of
2730     * {@link #GET_ACTIVITIES},
2731     * {@link #GET_GIDS},
2732     * {@link #GET_CONFIGURATIONS},
2733     * {@link #GET_INSTRUMENTATION},
2734     * {@link #GET_PERMISSIONS},
2735     * {@link #GET_PROVIDERS},
2736     * {@link #GET_RECEIVERS},
2737     * {@link #GET_SERVICES},
2738     * {@link #GET_SIGNATURES}, to modify the data returned.
2739     *
2740     * @return Returns the information about the package. Returns
2741     * null if the package could not be successfully parsed.
2742     *
2743     * @see #GET_ACTIVITIES
2744     * @see #GET_GIDS
2745     * @see #GET_CONFIGURATIONS
2746     * @see #GET_INSTRUMENTATION
2747     * @see #GET_PERMISSIONS
2748     * @see #GET_PROVIDERS
2749     * @see #GET_RECEIVERS
2750     * @see #GET_SERVICES
2751     * @see #GET_SIGNATURES
2752     *
2753     */
2754    public PackageInfo getPackageArchiveInfo(String archiveFilePath, int flags) {
2755        PackageParser packageParser = new PackageParser(archiveFilePath);
2756        DisplayMetrics metrics = new DisplayMetrics();
2757        metrics.setToDefaults();
2758        final File sourceFile = new File(archiveFilePath);
2759        PackageParser.Package pkg = packageParser.parsePackage(
2760                sourceFile, archiveFilePath, metrics, 0);
2761        if (pkg == null) {
2762            return null;
2763        }
2764        if ((flags & GET_SIGNATURES) != 0) {
2765            packageParser.collectCertificates(pkg, 0);
2766        }
2767        PackageUserState state = new PackageUserState();
2768        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0, null, state);
2769    }
2770
2771    /**
2772     * @hide
2773     *
2774     * Install a package. Since this may take a little while, the result will
2775     * be posted back to the given observer.  An installation will fail if the calling context
2776     * lacks the {@link android.Manifest.permission#INSTALL_PACKAGES} permission, if the
2777     * package named in the package file's manifest is already installed, or if there's no space
2778     * available on the device.
2779     *
2780     * @param packageURI The location of the package file to install.  This can be a 'file:' or a
2781     * 'content:' URI.
2782     * @param observer An observer callback to get notified when the package installation is
2783     * complete. {@link IPackageInstallObserver#packageInstalled(String, int)} will be
2784     * called when that happens.  observer may be null to indicate that no callback is desired.
2785     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2786     * {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}.
2787     * @param installerPackageName Optional package name of the application that is performing the
2788     * installation. This identifies which market the package came from.
2789     */
2790    public abstract void installPackage(
2791            Uri packageURI, IPackageInstallObserver observer, int flags,
2792            String installerPackageName);
2793
2794    /**
2795     * Similar to
2796     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2797     * with an extra verification file provided.
2798     *
2799     * @param packageURI The location of the package file to install. This can
2800     *            be a 'file:' or a 'content:' URI.
2801     * @param observer An observer callback to get notified when the package
2802     *            installation is complete.
2803     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2804     *            will be called when that happens. observer may be null to
2805     *            indicate that no callback is desired.
2806     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2807     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2808     *            .
2809     * @param installerPackageName Optional package name of the application that
2810     *            is performing the installation. This identifies which market
2811     *            the package came from.
2812     * @param verificationURI The location of the supplementary verification
2813     *            file. This can be a 'file:' or a 'content:' URI. May be
2814     *            {@code null}.
2815     * @param manifestDigest an object that holds the digest of the package
2816     *            which can be used to verify ownership. May be {@code null}.
2817     * @param encryptionParams if the package to be installed is encrypted,
2818     *            these parameters describing the encryption and authentication
2819     *            used. May be {@code null}.
2820     * @hide
2821     */
2822    public abstract void installPackageWithVerification(Uri packageURI,
2823            IPackageInstallObserver observer, int flags, String installerPackageName,
2824            Uri verificationURI, ManifestDigest manifestDigest,
2825            ContainerEncryptionParams encryptionParams);
2826
2827    /**
2828     * Similar to
2829     * {@link #installPackage(Uri, IPackageInstallObserver, int, String)} but
2830     * with an extra verification information provided.
2831     *
2832     * @param packageURI The location of the package file to install. This can
2833     *            be a 'file:' or a 'content:' URI.
2834     * @param observer An observer callback to get notified when the package
2835     *            installation is complete.
2836     *            {@link IPackageInstallObserver#packageInstalled(String, int)}
2837     *            will be called when that happens. observer may be null to
2838     *            indicate that no callback is desired.
2839     * @param flags - possible values: {@link #INSTALL_FORWARD_LOCK},
2840     *            {@link #INSTALL_REPLACE_EXISTING}, {@link #INSTALL_ALLOW_TEST}
2841     *            .
2842     * @param installerPackageName Optional package name of the application that
2843     *            is performing the installation. This identifies which market
2844     *            the package came from.
2845     * @param verificationParams an object that holds signal information to
2846     *            assist verification. May be {@code null}.
2847     * @param encryptionParams if the package to be installed is encrypted,
2848     *            these parameters describing the encryption and authentication
2849     *            used. May be {@code null}.
2850     *
2851     * @hide
2852     */
2853    public abstract void installPackageWithVerificationAndEncryption(Uri packageURI,
2854            IPackageInstallObserver observer, int flags, String installerPackageName,
2855            VerificationParams verificationParams,
2856            ContainerEncryptionParams encryptionParams);
2857
2858    /**
2859     * If there is already an application with the given package name installed
2860     * on the system for other users, also install it for the calling user.
2861     * @hide
2862     */
2863    public abstract int installExistingPackage(String packageName)
2864            throws NameNotFoundException;
2865
2866    /**
2867     * Allows a package listening to the
2868     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2869     * broadcast} to respond to the package manager. The response must include
2870     * the {@code verificationCode} which is one of
2871     * {@link PackageManager#VERIFICATION_ALLOW} or
2872     * {@link PackageManager#VERIFICATION_REJECT}.
2873     *
2874     * @param id pending package identifier as passed via the
2875     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2876     * @param verificationCode either {@link PackageManager#VERIFICATION_ALLOW}
2877     *            or {@link PackageManager#VERIFICATION_REJECT}.
2878     * @throws SecurityException if the caller does not have the
2879     *            PACKAGE_VERIFICATION_AGENT permission.
2880     */
2881    public abstract void verifyPendingInstall(int id, int verificationCode);
2882
2883    /**
2884     * Allows a package listening to the
2885     * {@link Intent#ACTION_PACKAGE_NEEDS_VERIFICATION package verification
2886     * broadcast} to extend the default timeout for a response and declare what
2887     * action to perform after the timeout occurs. The response must include
2888     * the {@code verificationCodeAtTimeout} which is one of
2889     * {@link PackageManager#VERIFICATION_ALLOW} or
2890     * {@link PackageManager#VERIFICATION_REJECT}.
2891     *
2892     * This method may only be called once per package id. Additional calls
2893     * will have no effect.
2894     *
2895     * @param id pending package identifier as passed via the
2896     *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
2897     * @param verificationCodeAtTimeout either
2898     *            {@link PackageManager#VERIFICATION_ALLOW} or
2899     *            {@link PackageManager#VERIFICATION_REJECT}. If
2900     *            {@code verificationCodeAtTimeout} is neither
2901     *            {@link PackageManager#VERIFICATION_ALLOW} or
2902     *            {@link PackageManager#VERIFICATION_REJECT}, then
2903     *            {@code verificationCodeAtTimeout} will default to
2904     *            {@link PackageManager#VERIFICATION_REJECT}.
2905     * @param millisecondsToDelay the amount of time requested for the timeout.
2906     *            Must be positive and less than
2907     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}. If
2908     *            {@code millisecondsToDelay} is out of bounds,
2909     *            {@code millisecondsToDelay} will be set to the closest in
2910     *            bounds value; namely, 0 or
2911     *            {@link PackageManager#MAXIMUM_VERIFICATION_TIMEOUT}.
2912     * @throws SecurityException if the caller does not have the
2913     *            PACKAGE_VERIFICATION_AGENT permission.
2914     */
2915    public abstract void extendVerificationTimeout(int id,
2916            int verificationCodeAtTimeout, long millisecondsToDelay);
2917
2918    /**
2919     * Change the installer associated with a given package.  There are limitations
2920     * on how the installer package can be changed; in particular:
2921     * <ul>
2922     * <li> A SecurityException will be thrown if <var>installerPackageName</var>
2923     * is not signed with the same certificate as the calling application.
2924     * <li> A SecurityException will be thrown if <var>targetPackage</var> already
2925     * has an installer package, and that installer package is not signed with
2926     * the same certificate as the calling application.
2927     * </ul>
2928     *
2929     * @param targetPackage The installed package whose installer will be changed.
2930     * @param installerPackageName The package name of the new installer.  May be
2931     * null to clear the association.
2932     */
2933    public abstract void setInstallerPackageName(String targetPackage,
2934            String installerPackageName);
2935
2936    /**
2937     * Attempts to delete a package.  Since this may take a little while, the result will
2938     * be posted back to the given observer.  A deletion will fail if the calling context
2939     * lacks the {@link android.Manifest.permission#DELETE_PACKAGES} permission, if the
2940     * named package cannot be found, or if the named package is a "system package".
2941     * (TODO: include pointer to documentation on "system packages")
2942     *
2943     * @param packageName The name of the package to delete
2944     * @param observer An observer callback to get notified when the package deletion is
2945     * complete. {@link android.content.pm.IPackageDeleteObserver#packageDeleted(boolean)} will be
2946     * called when that happens.  observer may be null to indicate that no callback is desired.
2947     * @param flags - possible values: {@link #DELETE_KEEP_DATA},
2948     * {@link #DELETE_ALL_USERS}.
2949     *
2950     * @hide
2951     */
2952    public abstract void deletePackage(
2953            String packageName, IPackageDeleteObserver observer, int flags);
2954
2955    /**
2956     * Retrieve the package name of the application that installed a package. This identifies
2957     * which market the package came from.
2958     *
2959     * @param packageName The name of the package to query
2960     */
2961    public abstract String getInstallerPackageName(String packageName);
2962
2963    /**
2964     * Attempts to clear the user data directory of an application.
2965     * Since this may take a little while, the result will
2966     * be posted back to the given observer.  A deletion will fail if the
2967     * named package cannot be found, or if the named package is a "system package".
2968     *
2969     * @param packageName The name of the package
2970     * @param observer An observer callback to get notified when the operation is finished
2971     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2972     * will be called when that happens.  observer may be null to indicate that
2973     * no callback is desired.
2974     *
2975     * @hide
2976     */
2977    public abstract void clearApplicationUserData(String packageName,
2978            IPackageDataObserver observer);
2979    /**
2980     * Attempts to delete the cache files associated with an application.
2981     * Since this may take a little while, the result will
2982     * be posted back to the given observer.  A deletion will fail if the calling context
2983     * lacks the {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the
2984     * named package cannot be found, or if the named package is a "system package".
2985     *
2986     * @param packageName The name of the package to delete
2987     * @param observer An observer callback to get notified when the cache file deletion
2988     * is complete.
2989     * {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
2990     * will be called when that happens.  observer may be null to indicate that
2991     * no callback is desired.
2992     *
2993     * @hide
2994     */
2995    public abstract void deleteApplicationCacheFiles(String packageName,
2996            IPackageDataObserver observer);
2997
2998    /**
2999     * Free storage by deleting LRU sorted list of cache files across
3000     * all applications. If the currently available free storage
3001     * on the device is greater than or equal to the requested
3002     * free storage, no cache files are cleared. If the currently
3003     * available storage on the device is less than the requested
3004     * free storage, some or all of the cache files across
3005     * all applications are deleted (based on last accessed time)
3006     * to increase the free storage space on the device to
3007     * the requested value. There is no guarantee that clearing all
3008     * the cache files from all applications will clear up
3009     * enough storage to achieve the desired value.
3010     * @param freeStorageSize The number of bytes of storage to be
3011     * freed by the system. Say if freeStorageSize is XX,
3012     * and the current free storage is YY,
3013     * if XX is less than YY, just return. if not free XX-YY number
3014     * of bytes if possible.
3015     * @param observer call back used to notify when
3016     * the operation is completed
3017     *
3018     * @hide
3019     */
3020    public abstract void freeStorageAndNotify(long freeStorageSize, IPackageDataObserver observer);
3021
3022    /**
3023     * Free storage by deleting LRU sorted list of cache files across
3024     * all applications. If the currently available free storage
3025     * on the device is greater than or equal to the requested
3026     * free storage, no cache files are cleared. If the currently
3027     * available storage on the device is less than the requested
3028     * free storage, some or all of the cache files across
3029     * all applications are deleted (based on last accessed time)
3030     * to increase the free storage space on the device to
3031     * the requested value. There is no guarantee that clearing all
3032     * the cache files from all applications will clear up
3033     * enough storage to achieve the desired value.
3034     * @param freeStorageSize The number of bytes of storage to be
3035     * freed by the system. Say if freeStorageSize is XX,
3036     * and the current free storage is YY,
3037     * if XX is less than YY, just return. if not free XX-YY number
3038     * of bytes if possible.
3039     * @param pi IntentSender call back used to
3040     * notify when the operation is completed.May be null
3041     * to indicate that no call back is desired.
3042     *
3043     * @hide
3044     */
3045    public abstract void freeStorage(long freeStorageSize, IntentSender pi);
3046
3047    /**
3048     * Retrieve the size information for a package.
3049     * Since this may take a little while, the result will
3050     * be posted back to the given observer.  The calling context
3051     * should have the {@link android.Manifest.permission#GET_PACKAGE_SIZE} permission.
3052     *
3053     * @param packageName The name of the package whose size information is to be retrieved
3054     * @param userHandle The user whose size information should be retrieved.
3055     * @param observer An observer callback to get notified when the operation
3056     * is complete.
3057     * {@link android.content.pm.IPackageStatsObserver#onGetStatsCompleted(PackageStats, boolean)}
3058     * The observer's callback is invoked with a PackageStats object(containing the
3059     * code, data and cache sizes of the package) and a boolean value representing
3060     * the status of the operation. observer may be null to indicate that
3061     * no callback is desired.
3062     *
3063     * @hide
3064     */
3065    public abstract void getPackageSizeInfo(String packageName, int userHandle,
3066            IPackageStatsObserver observer);
3067
3068    /**
3069     * Like {@link #getPackageSizeInfo(String, int, IPackageStatsObserver)}, but
3070     * returns the size for the calling user.
3071     *
3072     * @hide
3073     */
3074    public void getPackageSizeInfo(String packageName, IPackageStatsObserver observer) {
3075        getPackageSizeInfo(packageName, UserHandle.myUserId(), observer);
3076    }
3077
3078    /**
3079     * @deprecated This function no longer does anything; it was an old
3080     * approach to managing preferred activities, which has been superseded
3081     * by (and conflicts with) the modern activity-based preferences.
3082     */
3083    @Deprecated
3084    public abstract void addPackageToPreferred(String packageName);
3085
3086    /**
3087     * @deprecated This function no longer does anything; it was an old
3088     * approach to managing preferred activities, which has been superseded
3089     * by (and conflicts with) the modern activity-based preferences.
3090     */
3091    @Deprecated
3092    public abstract void removePackageFromPreferred(String packageName);
3093
3094    /**
3095     * Retrieve the list of all currently configured preferred packages.  The
3096     * first package on the list is the most preferred, the last is the
3097     * least preferred.
3098     *
3099     * @param flags Additional option flags. Use any combination of
3100     * {@link #GET_ACTIVITIES},
3101     * {@link #GET_GIDS},
3102     * {@link #GET_CONFIGURATIONS},
3103     * {@link #GET_INSTRUMENTATION},
3104     * {@link #GET_PERMISSIONS},
3105     * {@link #GET_PROVIDERS},
3106     * {@link #GET_RECEIVERS},
3107     * {@link #GET_SERVICES},
3108     * {@link #GET_SIGNATURES}, to modify the data returned.
3109     *
3110     * @return Returns a list of PackageInfo objects describing each
3111     * preferred application, in order of preference.
3112     *
3113     * @see #GET_ACTIVITIES
3114     * @see #GET_GIDS
3115     * @see #GET_CONFIGURATIONS
3116     * @see #GET_INSTRUMENTATION
3117     * @see #GET_PERMISSIONS
3118     * @see #GET_PROVIDERS
3119     * @see #GET_RECEIVERS
3120     * @see #GET_SERVICES
3121     * @see #GET_SIGNATURES
3122     */
3123    public abstract List<PackageInfo> getPreferredPackages(int flags);
3124
3125    /**
3126     * @deprecated This is a protected API that should not have been available
3127     * to third party applications.  It is the platform's responsibility for
3128     * assigning preferred activities and this cannot be directly modified.
3129     *
3130     * Add a new preferred activity mapping to the system.  This will be used
3131     * to automatically select the given activity component when
3132     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3133     * multiple matching activities and also matches the given filter.
3134     *
3135     * @param filter The set of intents under which this activity will be
3136     * made preferred.
3137     * @param match The IntentFilter match category that this preference
3138     * applies to.
3139     * @param set The set of activities that the user was picking from when
3140     * this preference was made.
3141     * @param activity The component name of the activity that is to be
3142     * preferred.
3143     */
3144    @Deprecated
3145    public abstract void addPreferredActivity(IntentFilter filter, int match,
3146            ComponentName[] set, ComponentName activity);
3147
3148    /**
3149     * Same as {@link #addPreferredActivity(IntentFilter, int,
3150            ComponentName[], ComponentName)}, but with a specific userId to apply the preference
3151            to.
3152     * @hide
3153     */
3154    public void addPreferredActivity(IntentFilter filter, int match,
3155            ComponentName[] set, ComponentName activity, int userId) {
3156        throw new RuntimeException("Not implemented. Must override in a subclass.");
3157    }
3158
3159    /**
3160     * @deprecated This is a protected API that should not have been available
3161     * to third party applications.  It is the platform's responsibility for
3162     * assigning preferred activities and this cannot be directly modified.
3163     *
3164     * Replaces an existing preferred activity mapping to the system, and if that were not present
3165     * adds a new preferred activity.  This will be used
3166     * to automatically select the given activity component when
3167     * {@link Context#startActivity(Intent) Context.startActivity()} finds
3168     * multiple matching activities and also matches the given filter.
3169     *
3170     * @param filter The set of intents under which this activity will be
3171     * made preferred.
3172     * @param match The IntentFilter match category that this preference
3173     * applies to.
3174     * @param set The set of activities that the user was picking from when
3175     * this preference was made.
3176     * @param activity The component name of the activity that is to be
3177     * preferred.
3178     * @hide
3179     */
3180    @Deprecated
3181    public abstract void replacePreferredActivity(IntentFilter filter, int match,
3182            ComponentName[] set, ComponentName activity);
3183
3184    /**
3185     * Remove all preferred activity mappings, previously added with
3186     * {@link #addPreferredActivity}, from the
3187     * system whose activities are implemented in the given package name.
3188     * An application can only clear its own package(s).
3189     *
3190     * @param packageName The name of the package whose preferred activity
3191     * mappings are to be removed.
3192     */
3193    public abstract void clearPackagePreferredActivities(String packageName);
3194
3195    /**
3196     * Retrieve all preferred activities, previously added with
3197     * {@link #addPreferredActivity}, that are
3198     * currently registered with the system.
3199     *
3200     * @param outFilters A list in which to place the filters of all of the
3201     * preferred activities, or null for none.
3202     * @param outActivities A list in which to place the component names of
3203     * all of the preferred activities, or null for none.
3204     * @param packageName An option package in which you would like to limit
3205     * the list.  If null, all activities will be returned; if non-null, only
3206     * those activities in the given package are returned.
3207     *
3208     * @return Returns the total number of registered preferred activities
3209     * (the number of distinct IntentFilter records, not the number of unique
3210     * activity components) that were found.
3211     */
3212    public abstract int getPreferredActivities(List<IntentFilter> outFilters,
3213            List<ComponentName> outActivities, String packageName);
3214
3215    /**
3216     * Ask for the set of available 'home' activities and the current explicit
3217     * default, if any.
3218     * @hide
3219     */
3220    public abstract ComponentName getHomeActivities(List<ResolveInfo> outActivities);
3221
3222    /**
3223     * Set the enabled setting for a package component (activity, receiver, service, provider).
3224     * This setting will override any enabled state which may have been set by the component in its
3225     * manifest.
3226     *
3227     * @param componentName The component to enable
3228     * @param newState The new enabled state for the component.  The legal values for this state
3229     *                 are:
3230     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3231     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3232     *                   and
3233     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3234     *                 The last one removes the setting, thereby restoring the component's state to
3235     *                 whatever was set in it's manifest (or enabled, by default).
3236     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3237     */
3238    public abstract void setComponentEnabledSetting(ComponentName componentName,
3239            int newState, int flags);
3240
3241
3242    /**
3243     * Return the the enabled setting for a package component (activity,
3244     * receiver, service, provider).  This returns the last value set by
3245     * {@link #setComponentEnabledSetting(ComponentName, int, int)}; in most
3246     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3247     * the value originally specified in the manifest has not been modified.
3248     *
3249     * @param componentName The component to retrieve.
3250     * @return Returns the current enabled state for the component.  May
3251     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3252     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3253     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3254     * component's enabled state is based on the original information in
3255     * the manifest as found in {@link ComponentInfo}.
3256     */
3257    public abstract int getComponentEnabledSetting(ComponentName componentName);
3258
3259    /**
3260     * Set the enabled setting for an application
3261     * This setting will override any enabled state which may have been set by the application in
3262     * its manifest.  It also overrides the enabled state set in the manifest for any of the
3263     * application's components.  It does not override any enabled state set by
3264     * {@link #setComponentEnabledSetting} for any of the application's components.
3265     *
3266     * @param packageName The package name of the application to enable
3267     * @param newState The new enabled state for the component.  The legal values for this state
3268     *                 are:
3269     *                   {@link #COMPONENT_ENABLED_STATE_ENABLED},
3270     *                   {@link #COMPONENT_ENABLED_STATE_DISABLED}
3271     *                   and
3272     *                   {@link #COMPONENT_ENABLED_STATE_DEFAULT}
3273     *                 The last one removes the setting, thereby restoring the applications's state to
3274     *                 whatever was set in its manifest (or enabled, by default).
3275     * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0.
3276     */
3277    public abstract void setApplicationEnabledSetting(String packageName,
3278            int newState, int flags);
3279
3280    /**
3281     * Return the the enabled setting for an application.  This returns
3282     * the last value set by
3283     * {@link #setApplicationEnabledSetting(String, int, int)}; in most
3284     * cases this value will be {@link #COMPONENT_ENABLED_STATE_DEFAULT} since
3285     * the value originally specified in the manifest has not been modified.
3286     *
3287     * @param packageName The component to retrieve.
3288     * @return Returns the current enabled state for the component.  May
3289     * be one of {@link #COMPONENT_ENABLED_STATE_ENABLED},
3290     * {@link #COMPONENT_ENABLED_STATE_DISABLED}, or
3291     * {@link #COMPONENT_ENABLED_STATE_DEFAULT}.  The last one means the
3292     * application's enabled state is based on the original information in
3293     * the manifest as found in {@link ComponentInfo}.
3294     * @throws IllegalArgumentException if the named package does not exist.
3295     */
3296    public abstract int getApplicationEnabledSetting(String packageName);
3297
3298    /**
3299     * Puts the package in a blocked state, which is almost like an uninstalled state,
3300     * making the package unavailable, but it doesn't remove the data or the actual
3301     * package file.
3302     * @hide
3303     */
3304    public abstract boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
3305            UserHandle userHandle);
3306
3307    /**
3308     * Returns the blocked state of a package.
3309     * @see #setApplicationBlockedSettingAsUser(String, boolean, UserHandle)
3310     * @hide
3311     */
3312    public abstract boolean getApplicationBlockedSettingAsUser(String packageName,
3313            UserHandle userHandle);
3314
3315    /**
3316     * Return whether the device has been booted into safe mode.
3317     */
3318    public abstract boolean isSafeMode();
3319
3320    /**
3321     * Attempts to move package resources from internal to external media or vice versa.
3322     * Since this may take a little while, the result will
3323     * be posted back to the given observer.   This call may fail if the calling context
3324     * lacks the {@link android.Manifest.permission#MOVE_PACKAGE} permission, if the
3325     * named package cannot be found, or if the named package is a "system package".
3326     *
3327     * @param packageName The name of the package to delete
3328     * @param observer An observer callback to get notified when the package move is
3329     * complete. {@link android.content.pm.IPackageMoveObserver#packageMoved(boolean)} will be
3330     * called when that happens.  observer may be null to indicate that no callback is desired.
3331     * @param flags To indicate install location {@link #MOVE_INTERNAL} or
3332     * {@link #MOVE_EXTERNAL_MEDIA}
3333     *
3334     * @hide
3335     */
3336    public abstract void movePackage(
3337            String packageName, IPackageMoveObserver observer, int flags);
3338
3339    /**
3340     * Returns the device identity that verifiers can use to associate their scheme to a particular
3341     * device. This should not be used by anything other than a package verifier.
3342     *
3343     * @return identity that uniquely identifies current device
3344     * @hide
3345     */
3346    public abstract VerifierDeviceIdentity getVerifierDeviceIdentity();
3347
3348    /**
3349     * Returns the data directory for a particular user and package, given the uid of the package.
3350     * @param uid uid of the package, including the userId and appId
3351     * @param packageName name of the package
3352     * @return the user-specific data directory for the package
3353     * @hide
3354     */
3355    public static String getDataDirForUser(int userId, String packageName) {
3356        // TODO: This should be shared with Installer's knowledge of user directory
3357        return Environment.getDataDirectory().toString() + "/user/" + userId
3358                + "/" + packageName;
3359    }
3360}
3361